Abstract: A method for automated manufacturing of shoe soles comprises the steps of: loading a transfer device with at least one outsole element and at least one supporting element, positioning the loaded transfer device adjacent a first part and a second part of a sole mold, transferring the at least one outsole element from the transfer device to the first part and transferring the at least one supporting element from the transfer device to the second part of the sole mold, filling the sole mold with a plurality of individual particles, and applying a medium to bond and/or fuse the particles with each other and with the at least one outsole element.

Abstract: An injection molding system includes a first unit in which an injection molding machine is disposed and an option unit. The injection molding machine is configured to be attachable with a stationary die and a movable die that moves with respect to the stationary die. The option unit includes at least one of a second unit in which a robot that moves a molded article molded by the injection molding machine is disposed and a third unit in which at least one of a material dryer that dries a material supplied to the injection molding machine and a material supply section that supplies the material to the injection molding machine is disposed. The first unit is configured to be detachably attachable with the option unit.

Abstract: There are provided an apparatus for taking out a molded product that allows a physical amount such as the mass of the taking portion to be easily acquired with a relatively simple configuration. A posture reversing mechanism is provided between the elevating arm and the taking portion to change the direction of the taking portion between an unreversed state in which the taking portion is directed to be able to take hold of the molded product molded in the die, and a reversed state in which the length of the taking portion in the vertical direction is shorter than that in the unreversed state. A sensor detects vibration of the elevating arm. A mass estimating section estimates the mass of the taking portion on the basis of vibration of the elevating arm detected by the sensor when the taking portion is in the reversed state.

Abstract: An injection mold capable of planing and cutting gates in an inside thereof and a planing and cutting method are provided. The injection mold includes a blade fixed block arranged between a moving mold and a fixed mold. Blades arranged on the blade fixed block and configured for cutting off gate condensed-material. The mold includes ejectors for ejecting out the gate condensed material and the blade fixed block. Runners formed between the blade fixed block and the fixed mold. Cut holes for communicating runners and gates are formed in blades. Ejector holes for penetrating the ejectors are formed in portions of the blade fixed block which correspond to bottoms of runners. The blade fixed block moves relative to the moving mold in a mold opening direction. The moving mold is provided with a limiting mechanism for limiting the blade fixed block after injection molding parts are separated from a cavity.

Abstract: A bar soap recycling device including an enclosure assembly, a tray assembly, an electrical assembly, and a soap assembly is disclosed. These assemblies in conjunction with one another provide a simple solution to recycling used bars of soap. Leftover chips, slivers, or pieces of used soap bars are placed within a mold of the tray assembly. The tray assembly is placed within an enclosure that includes an integrated heating element. The heating element warms the heat conducting mold to the point of melting the used soap bars. A timer determines when the soap bars have had enough time to melt into the shape of the mold. A cooling element in the form of a fan then cools the mold and soap contained therein to resolidify the used bars of soap into a single bar. The resolidified bar of soap is then removed from the mold and ready to be used.

Abstract: A method and device for removal of a molded sample from a mold with minimal or no damage to the molded sample. The device includes a drill configured for perforating a wall of the mold with the formation of a through aperture, a shroud passageway through or adjacent the drill, and a passageway from a source for pressurized fluid leading to the shroud passageway. The shroud passageway is configured whereby fluid such as air is applied therethrough simultaneously with perforation operation of the drill. Air directed through the aperture is pressurized and comes into effective contact with the molded sample whereby the molded sample is prevented from being more than minimally contacted with the drill and caused to be removed from the mold.

Abstract: A system for forming a container includes an injection station configured to inject a liquid material into a mold to form a preform. The system also includes a forming station including an apparatus for forming a container. The apparatus includes a blow mold configured to receive the preform and inject air into the preform to form the container. The blow mold includes an inner mold surface. The apparatus also includes at least one stretching rod configured to contact the preform in the blow mold and stretch the preform. The apparatus further includes electric heating elements coupled to the blow mold and positioned adjacent the inner mold surface to heat the inner mold surface. The system further includes a removal station configured to release the container from the system.

Abstract: A comestible processing machine including a loader plate comprising a plurality of spaced apart openings passing through the loader plate, a first flattener and a second flattener pivotably attached to the loader plate at each of the openings, a sensor configured to detect a comestible disposed within one or more of the plurality of openings, and an actuator coupled to the loader plate and configured to assist in removal of the comestible from the one or more of the plurality of openings.

Abstract: The production of multicomponent parts (4) which include a functional part (3), in particular a hollow needle, onto which a plastic molding (2), in particular a syringe barrel (2), is molded. In order to be able to convert the injection molding device quickly and conveniently, the device has a changing device (11), by which it is possible optionally to move functional part holders (7, 8, 9), matched to different types of functional parts, and/or a functional part holder (8) and a placeholder element (10) into the use position thereof in front of a mold cavity (6) of the injection mold (5) of the injection molding device (1).

Abstract: The present disclosure relates to a method for manufacturing a bent component. The present disclosure moreover relates to a shaping tool for manufacturing a bent component. The shaping tool comprises a first tool half, a second tool half and at least one movable cylinder pin. The first tool half of the shaping tool is arranged opposite the second half of the shaping tool. An outer end of the at least one cylinder pin herein points in the direction of the second half of the shaping tool. A holding element for receiving a flat bendable element is assembled on this outer end of the at least one cylinder pin.

Abstract: A transformable wick device includes a plurality of bodies connected together. The plurality of bodies has flexible connections, and therefore positionable along a line of various types.

Abstract: An injection mold and a device for preparation of a light guide plate are provided by embodiments of the present disclosure. An injection mold, comprising a male mold and a female mold which cooperate with each other to define collectively a molding cavity adapted for molding a sheet component therein; a blowing device is provided in the male mold and configured to blow out gas with a predetermined pressure towards a bottom surface of the sheet component molded in the molding cavity to overcome at least partially a vacuum adsorption force between the bottom surface of the sheet component and an internal bottom surface of the molding cavity such that the sheet component is separated from the male mold. Therefore, the sheet component can be demoulded successfully and prevented from a relatively large warping deformation during a demoulding process such that the quality thereof can be guaranteed.

Abstract: The ejection device comprises: a pushing device (14) translatable along a first axis (A1) between a retracted position and an ejection position, an ejection element (28) translatable along a second axis (A2) between a retracted position and an ejection position, a transfer device (26) connecting the pushing device (14) and the ejection device (28). The transfer device (26) comprises at least two links (44), translatable relative to one another and relative to the pushing device (14) and the ejection element (28).

Abstract: There is provided a mounting structure for an apparatus for taking out a molded product, the mounting structure being configured to reduce a burden imposed on a worker required to mount the apparatus for taking out a molded product. Upright wall portions of a pair of side plates are formed with a work window. Extended wall portions are formed with a work assist window. The work window is formed to have a size that allows a worker, who is at a location at which the worker can insert bolts into three through holes in a first through hole row, to insert bolts into three through holes in a second through hole row without changing the worker's location.

Abstract: This invention provides output gain by rotating a solid wheel from the center of mass as an input and connecting a lever to the edge of the same wheel at 180 degrees apart to each other. Each lever is connected at 180 degrees apart at the input rotating wheel with a common fulcrum located near the output side. This lever, acting as a mechanical lifting device, drives one side of output gain driven by the ratio of the length of lever to and from fulcrum between input and output while the other side is provided by another lever at 180 degrees apart. A unidirectional rotor converts the lever motion of up and down to a rotational motion. Weight of materials in a system is recycled back as an input to a hydraulic lever that generates hydraulic pressure driven by the movement of the system weight as it bounces off the surface.

Abstract: In one embodiment, an apparatus and a method of manufacturing a paperboard tray therewith is provided. In particular, a hub is configured to rotate about a shaft. On the hub, a plurality of first molds are formed in the hub. Conversely, a plurality of second molds are each disposed above each of the plurality of first molds respectively and rotate above the first molds. In this configuration, the plurality of second molds are configured to move in unison with the plurality of first molds as the hub and second molds rotate and to move orthogonally towards and then away from the first molds as the second molds rotate.

Abstract: An optical lens includes a lens portion having an optical axis, and an exterior portion connected to an outer periphery of the lens portion. The exterior portion has first and second surfaces that are disposed along a direction parallel to the optical axis and spaced apart from each other, a first annular surface that extends from a periphery of the second surface parallelly with respect to the optical axis, and a second annular surface that interconnects the first annular surface and the first surface. The second annular surface extends obliquely with respect to the first annular surface.

Abstract: An apparatus for forming pressed food products can utilize up to 98% chicken breast meat in high profit margin products. Breast meat is marinated and then extruded into a slab which is then frozen and shaped into a plank. The plank is sliced into unit portions which are then pressed into shaped portions with a preferred, or other, press. One preferred press linearly reciprocates unit portions into the press. This or another preferred press imparts three dimension exterior shape to the pressed food products.

Abstract: An apparatus for forming pressed food products can utilize up to 98% chicken breast meat in high profit margin products. Breast meat is marinated and then extruded into a slab which is then frozen and shaped into a plank. The plank is sliced into unit portions which are then pressed into shaped portions with a preferred, or other, press. One preferred press linearly reciprocates unit portions into the press. This or another preferred press imparts three dimension exterior shape to the pressed food products.

Abstract: An injection mold including a first mold, a second mold disposed opposite to the first mold and configured to form a cavity having a shape that corresponds to an injection-molded product to be manufactured by being coupled to the first mold, an injection apparatus configured to inject molten resin in the cavity, and an adsorption apparatus configured to adsorb and separate the injection-molded product, which is manufactured by the first mold and the second mold, from the first mold, so that the separation of the injection-molded product is performed by the adsorption apparatus, and thus structures configured to separate the injection-molded product are omitted from the first mold and the second mold, thereby simplifying the structures of the first mold and the second mold.

Abstract: A mold releasability evaluating apparatus includes a forming die that includes a bottom portion having a main surface, and a wall surface portion that is connected to the main surface of the bottom portion and has a wall surface in which an angle formed with the main surface of the bottom portion is an obtuse angle; an extrusion pin capable of protruding out from the main surface of the bottom portion in a direction that separates a compact from the main surface of the bottom; and a measuring device configured to measure a load applied to the extrusion pin when the extrusion pin pushes the compact away from the main surface of the bottom portion, after one surface of the compact is formed by the main surface of the bottom portion.

Abstract: A pair of mold cores (51, 52) for molding an undercut portion (P1) in a holder (30) installed inside a movable mold (13) are connected to and supported by a retaining piece (40) which is moved in the demolding direction, and at the time of demolding, the respective mold cores (51, 52) are guided by guide means (33, 34) from the molding position, where they are contacted with each other, to the mold release position, where they are separated from each other, being moved from one end side to the other end side of the retaining piece (40), in the mutually opposite directions so as to pass each other in the back and forth direction.

Abstract: A device for demolding parts, including a clamp movable between a molding position and a demolding position, where the clamp includes a side notch which, in the molding position, is in contact with a stop element, limiting the movement of said clamp. such that the device prevents the clamp from being locked inside its housing since the stop element prevents the upper surface of the clamp from being located below the upper surface of the mold.

Abstract: [Problem] To suppress the deviation of a synthetic resin to be fed to a metal mold and to enable the to-be-compression-molded synthetic resin to be easily molded into a shape of a pre-molded article that is to be molded. [Means for Solution] A female mold 31 includes a moving rod 34 and female mold body 33 surrounding the moving rod 34, the female mold body 33 forming a cavity 33a that is opened upward, the moving rod 34 moving up and down between a normal position and an elevated position above the normal position, and when a synthetic resin 8 is to be fallen down from the a synthetic resin cutting/holding unit 14, the moving rod 34 moves to the elevated position so that the synthetic resin 8 falls down on the upper surface of the center member.

Abstract: A string cheese-forming machine provides for extrusion of cheese into control volumes, for example, implemented with tubes each movably blocked with a piston having a stop. Complete filling of each tube is detected before ejection of the cheese from the tubes is undertaken, thereby ensuring consistent product volume and weight.

Abstract: Disclosed herein is, amongst other things, a molding apparatus, comprising a stripper sleeve (116) for use in a first stack portion (110) of a mold stack (140), wherein the stripper sleeve (116) is configured to open a slide pair (122) of the first stack portion (110) and to strip a molded article (106) from the first stack portion (110).

Abstract: An ejection mechanism has a base, a rotation disk and a feeding station. The base is configured for mounting of the rotation disk and the feeding station, The base further includes an arched guiding track, and the arched guiding track is disposed around the rotating gear. The rotation disk is fan-shaped and is rotatably coupled to the base by a rotating shaft such that the rotation disk is aligned above the arched guiding track. the rotation disk is further provided with an arched row of teeth on a bottom of the rotation disk corresponding to the rotating gear of the base. The rotation disk driven by the rotating gear causes the arched row of teeth to rotate and also to simultaneously cause the rotation disk to rotate around the rotating shaft on the arched guiding track. The ejection mechanism which is suitable for different sizes of elbow pipes.

Abstract: An ejection mechanism has a base, a rotation disk and a feeding station. The base is configured for mounting of the rotation disk and the feeding station, The base further includes an arched guiding track, and the arched guiding track is disposed around the rotating gear. The rotation disk is fan-shaped and is rotatably coupled to the base by a rotating shaft such that the rotation disk is aligned above the arched guiding track. the rotation disk is further provided with an arched row of teeth on a bottom of the rotation disk corresponding to the rotating gear of the base. The rotation disk driven by the rotating gear causes the arched row of teeth to rotate and also to simultaneously cause the rotation disk to rotate around the rotating shaft on the arched guiding track. The ejection mechanism which is suitable for different sizes of elbow pipes.

Abstract: There is provided a workpiece removal and finishing device that can easily, accurately, continuously and quickly perform a series of works for processing a workpiece of resin removed from a molding machine. The workpiece removal and finishing device for processing the workpiece of resin removed from the molding machine 41 has a workpiece removal robot 100 for directly or indirectly removing the workpiece from molds 2, 3, and a processing robot 200 for processing the workpiece. A processing tool which can profile the workpiece is secured to the arm tip of the processing robot 200 through a floating mechanism to be adaptable to thermal contraction of the workpiece, and the workpiece can processed by the profiling-capable processing tool provided to the arm tip 200A of the processing robot 200 while the workpiece removed by the workpiece removal robot 100 is positioned and held by the workpiece removal robot 100.

Abstract: The present invention is related to a food product-forming apparatus, with a movable form-body, in which the food product is formed, and a knock out cup, which executes a knock-out-movement, that removes the food product from the form-body, whereas the knock out cup comprises an at least partially permeable bottom, through which a fluid-medium can be ejected and whereas, during the knock-out movement, a fluid-medium cushion is created, at least temporarily beneath the permeable bottom. The present invention furthermore comprises a process for the production of food products.

Abstract: A transfer system for manufacturing molded parts of plastic by means of a plastic injection device is provided. The transfer system includes, a mold which can be opened via a mold separating surface; first and second injection stations formed in the mold; and a plurality of mold bars which are compatible with first and second injection stations. The pre-molded parts are manufactured in the first injection station and initially remain on the corresponding mold bar before being brought into the second injection station for molding a second workpiece section onto the pre-molded parts.

Abstract: An apparatus for taking out a molded product that can effectively suppress peeling of a cured adhesive applied to fix a fiber-reinforced plastic shaped material to each of a pair of opposed sidewalls of an elevating shaft, the sidewalls being opposite each other in a direction orthogonal to the axial direction of the elevating shaft. A fiber-reinforced section of the fiber-reinforced plastic shaped material is formed of a plurality of warp threads and a plurality of weft threads, which are disposed on a surface of the sidewalls of the elevating shaft such that the plurality of warp threads are juxtaposed in a direction orthogonal to the axial direction of the elevating shaft and extend in the axial direction and the plurality of weft threads are juxtaposed in the axial direction and extend in a direction intersecting the axial direction.

Abstract: An apparatus (1) for injection molding a plastic molded part onto a functional part so as to form a multi-component part has an injection mold which has a mold opening for receiving the functional part. The injection mold (5) itself has at least three mold plates (6a, 6b, 6c) which can be adjusted between a closed injection position and a processing position with the mold plates spaced apart from one another in each case. A functional part carrier (13), which can be positioned between a functional part store (12) and a first opening region (7a) between two mold plates (6b, 6c) in the processing position thereof, is provided for transferring the functional parts (3) from the functional part store (12) to one of the mold plates (6c), and a withdrawal gripper (19) is provided for withdrawing the multi-component part (4) from a second opening region (7b) between two mold plates.

Abstract: A device and a method for portioning food, in particular meat, into portions with a predetermined weight and/or predetermined thickness are proposed.

Abstract: An exemplary ejection mechanism includes a first plate and a second plate opposite to the first plate, an ejector plate, ejectors, an actuator with a driving shaft, and a drive mechanism. The ejector plate and the drive mechanism are located between the first plate and the second plate. The ejection mechanism further defines first through holes which pass through the first plate and the second plate. The ejector plate defines a second through hole which is coaxial with the first through holes. The ejector extends from the ejecting plate to the first plate and aligns with the ejector hole of the first plate. The drive mechanism links with the driving shaft and the ejector plate, and the actuator drives the ejector plate between the first plate and the second plate via a drive mechanism, which makes the ejector eject or retract.

Abstract: A holding member can be made to move up and down with long strokes by means of short vertical strokes so that the overall arrangement can be downsized and lightweight. Additionally, the holding member can be held to a constant attitude and the overall arrangement can be simplified to reduce the cost. A swing arm is adapted to be swung between the metal mold of a resin molding machine and the outside of the resin molding machine by means of a rotary shaft rotating in response to a vertical motion of an elevating body relative to a vertical frame and, at the same time, a fitting member is adapted to be driven to rotate in response to the swinging motion of the swing arm in order to control the attitude of a vertical arm so as to make its axial line aligned with the vertical direction.

Abstract: A kit and method for compounding medicated treats for pet animals includes a first compound, a second compound, a mold assembly, and a blister pack subkit. The first compound includes an edible binding agent for the medicated treat. The second compound includes a nutritional supplement. The first compound and the second compound are admixed together with an auxiliary ingredient, which admixture is formed into the medicated treats using the mold assembly. The mold assembly includes at least a mold plate, a base plate, and a pair of mold clamps. The kit may also include an extractor to facilitate removal of medicated treats from the mold assembly. The blister pack subkit includes a blister pack for receiving the medicated treats, and an adhesive backing for sealing the medicated treats within the blister pack.

Abstract: Apparatus, systems and methods are disclosed for manufacturing slices of sausages that appear to have been cut from a conventional round sausage log at an angle.

Abstract: A patty-displacing end portion is provided for a plunger for a food patty-molding apparatus, the apparatus comprising an apparatus frame, a mold plate, the plunger and a heating element. The mold plate has at least one cavity and is mounted to move with respect to the frame in a direction to position the cavity between a fill position wherein the cavity is filled with food product material to form a molded patty, and a molded patty knockout position. The plunger is arranged to move vertically into the cavity to dislodge or knock the olded patty out of the cavity. The plunger has a body and raised formations or standoffs extending down from the body, the raised formations being numbered and positioned to be spread out over the body. The number and position of the raised formations provides a decreased contact pressure on the patty being dislodged.

Abstract: An ejector apparatus for an injection molding machine, includes ejector pins mounted to a movable ejector plate and drivable by a drive device for ejecting injection molded parts from a cavity of an injection molding tool. The ejector plate is displaceable by the drive device with a given normal ejector force acting on an injection molded part. There is provided a reinforcing mechanism which, when there is a jammed injection molded part, reinforces the ejector force acting on the injection molded part to an increased additional ejector force for ejecting the jammed injection molded part above the given normal ejector force which can be or is made available by the drive device.

Abstract: A molding apparatus includes a mold cavity (26), an ejector pin (30), and a sensor (42). The ejector pin has a first surface (48) exposed to the cavity and a second surface (40) not exposed to the cavity. The sensor (42) is in communicative contact with the ejector pin second surface (40). The sensor (42) is capable of sensing pressure in a mold cavity (26) through the ejector pin (30). The molding apparatus may include a hollow ejector pin (108) with a first end (120) facing the mold cavity (26). A sensor (104) embedded in the hollow ejector pin first end (120) senses a mold cavity parameter. A signal line (112) from the sensor (104) is routed through the hollow ejector pin (108).

Abstract: The present invention relates to a method and apparatus for removing a plurality of molded articles from respective molds each having an external molding surface oriented according to a mold axis (X), said molds (12) being arranged with their axis (X) parallel. The apparatus comprises a plurality of pairs of jaws (4,6), each corresponding to a respective mold (12) and including a first jaw (4) and an opposed second jaw (6) which are moveable with respect to the respective mold (12) according to a first relative motion, between an open position wherein the jaws (4, 6) are spaced apart from the mold (;12) and a closed position wherein the jaws (4, 6) engage the mold (12), and a substantially axial second relative motion, wherein the pair of jaws (4,6) is slidably displaced along the mold axis (X) so as to remove it from the mold (12). The jaws (4, 6), for the first relative motion, are linearly moveable in parallel directions which are radial to the respective mold axis (X).

Abstract: An assembling method of an injection mold includes the steps of: disposing guide rods and a ejection pin plate on a punch template; inserting guide bushes into the ejection pin plate; inserting ejection pins respectively into the ejection pin plate and the punch template; fastening a ejection pin fixing plate to the ejection pin plate; fastening a die fixing plate and spacer plates to the punch template, and inserting the other ends of the guide rods into the die fixing plate; and disposing a press plate into the die fixing plate, and fastening the guide rods to the die fixing plate by tightening screws. The assembling method set the guide rods first o achieve a positioning function before ejection pin plate is assembled, and thereby capable of effectively eliminating the problems of deformation of the ejection pin plate, breaking of the ejection pin, and abrasion occurring in the return stroke.

Abstract: An injection mold and a cooperating molding system and method that allows for the parting line of a molded vehicle bumper fascia to be hidden within the wheel arch portion thereof. The invention contemplates two different mold designs for producing such a parting line: a double-lifter design and a collapsing slide core design. The bumper fascia remains in the cavity portion of the mold after molding due to the presence of undercuts in the mold cavity. A robotic part removal device is used to remove the molded bumper fascia from the mold cavity after mold opening. The part removal device is adapted to temporarily deform the bumper fascia in the wheel arch flange areas thereof to facilitate its removal from the cavity.

Abstract: A method of manufacturing or handling a substantially pure object includes shielding the substantially pure object from the environment by substantially enveloping the object in a fluid. A system for manufacturing a substantially pure object includes a mold for forming the object, and a machine adapted to remove the object from the mold. The machine includes a handling device for gripping the object and removing it from the mold. The handling device includes at least one nozzle through which fluid is delivered to substantially envelope the object during, for example, removal of the object from the mold. The object may be a medical object, such as a syringe, or a component or part thereof, such as a syringe barrel or plunger. In a preferred aspect, a molding process is conducted in a room exhibiting less than Class 100 conditions and/or in such a way that the object does not need to be subsequently cleaned or rinsed, as by air or water washing.

Abstract: A mold comprising a core plate receiving a core insert, a cavity plate receiving a cavity insert and an ejection mechanism configured to eject the core insert is disclosed. The core insert defines a first molding surface and the cavity insert defines a second molding surface cooperating with the first molding surface. The ejection mechanism comprises a top plate, a bottom plate, an ejection rod and a gasket. The ejection rod includes a first end in contact with the core insert in the core plate and an opposing second end fixed with the top plate, the bottom plate and the gasket by the fastener and the locating piece. The top plate drives the ejection rod to eject the core insert.

Abstract: A diagonal knock out system that is designed to remove mold food portions from a mold plate in a direction other than vertical.

Abstract: An exemplary mold includes a core plate receiving a core insert, a cavity plate receiving a cavity insert, and an ejection mechanism for ejecting the core insert. The core insert defines a first molding surface, and the cavity insert defines a second molding surface cooperating with the first molding surface. The ejection mechanism includes a top plate, a bottom plate, and an ejection member fixed to the top plate. The ejection member includes an ejection rod and an ejection head. The ejection rod includes a first rod, and a first engaging body forming a protrusion facing toward the first rod. The ejection head includes a second rod, a second engaging body defining a recess facing toward the second rod, and an ejection portion engaged with the core insert. The protrusion is movably engaged in the recess, so that if the ejection rod goes off-axis, the core insert can stay on-axis.

Abstract: An apparatus for releasing a molded lens from a deformable mold includes a shear ring for temporarily retaining an annular portion of the deformable mold outside a periphery of the lens and a plunger for deforming an annular section of the deformable mold within the periphery of the lens. The apparatus can be employed to release a non-hydrated hydrogel lens from a deformable mold section.

Abstract: A mold comprises a core plate receiving a core insert, a cavity plate receiving a cavity insert and an ejection mechanism configured to eject the core insert. The core insert defines a first molding surface and the cavity insert defines a second molding surface cooperating with the first molding surface. The ejection mechanism includes a top plate; a sleeve fastening to the core plate and an ejection member to eject the core. The ejection member including an ejection rod and an ejection head slidably received in the sleeve. The ejection rod includes a main rod fastened to the top plate, a connecting body, and an engaging body. The ejection head includes an ejection portion and an engaging portion defining an engaging hole, a slot, and an opening, wherein the connecting body extends through the slot causing the engaging body to engage with the engaging hole.