Abstract: A drone includes a frame and a battery. The frame has a battery accommodation groove. The battery accommodation groove includes a first positioning component and a second positioning component. The first positioning component and the second positioning component are staggered along a first direction. The battery is received within the battery accommodation groove. The battery has a first positioning portion and a second positioning portion. The first positioning portion is matched with the first positioning component, and the second positioning portion is matched with the second positioning component. Therefore, an automatic exchange of batteries along the first direction can be implemented, and the advantages of reducing costs of space, time, and manpower can be achieved.

Abstract: A scanner is provided and includes a load bearing element, a scan assembly, a transparent plate and a casing. The load bearing element includes a support element and a base. The support element is disposed on the base and surrounds the base. The scan assembly is configured to perform a scan operation and is disposed on the base. The transparent plate is disposed on the support element and is configured to bear an object. The casing includes a first casing part and a second casing part. The second casing part includes a bottom plate and at least one cylinder. The at least one cylinder is disposed on the bottom plate. The load bearing element is disposed on the at least one cylinder, and is located between the first casing part and the second casing part. A first buffer space is formed between the base and the bottom plate.

Abstract: A meshed shell and a sandblasting method are provided. The meshed shell includes a first end portion, a second end portion opposite to the first end portion, a first annular portion, a second annular portion connected to the first annular portion, a first mesh portion between the first end portion and the first annular portion and a second mesh portion between the second end portion and the second annular portion. The weights of the first end portion and the second end portion are the same. A maximum inner diameter of the mesh of the first and second mesh portions is smaller than a penetration size of the component. Both of the sum of the weights of the first and second end portions and the sum of the weights of the first and second annular portions are greater than the sum of the weights of the first and second mesh portions.

Abstract: The present disclosure provides a thickness measuring device including a base, a first moving component, a second moving component, a frame and a linking component. The base includes a base main body and a sensor. The first moving component moves along a first direction and includes a contacting end. The second moving component moves along a second direction and includes a sensing element corresponding to the sensor. The frame is connected to the base and includes a frame main body, a first guiding groove and a second guiding groove. The first and second guiding grooves are formed on the frame main body for accommodating the first and second moving components. The linking component includes a rotating element, a first connection portion and a second connection portion. The first and second connection portions are disposed on a surface of the rotating element and connected to the first and second moving components.

Abstract: An additive manufacturing method and an object manufactured thereby are disclosed. The object includes a first component and a second component pivotally connected to each other through a rotation shaft. A first engaging element of the first component and a second engaging element of the second component spatially correspond to each other. When the object is manufactured in a manufacturing space, the first component is close to the second component, and the first engaging element and the second engaging element are disengaged with each other. After the object is manufactured, the first component is rotated relative to the second component at an adjustment angle around the rotation shaft. The first engaging element and the second engaging element are engaged with each other and locked, to form a use space of the object larger than the manufacturing space. It is beneficial to achieve the purpose of reducing the required manufacturing space.

Abstract: A roller structure is disclosed and includes at least one roller unit. The roller unit includes a base, an elastic portion, a supporting portion and a rotating wheel. The base is configured to detachably assemble the roller unit on an accommodation seat. The base includes a first lateral edge. The elastic portion is disposed on the base and connected with the first lateral edge. The elastic portion includes a bent section having an end extending and bent from the first lateral edge. The supporting portion is disposed on the elastic portion and connected to the other end of the bent section. The rotating wheel is pivotally connected to the supporting portion. When the rotating wheel is pressed by a driving wheel, the supporting portion is driven to compress the elastic portion to move the rotating wheel toward the base, and the rotating wheel is driven to rotate relative to the supporting portion.

Abstract: A clutch claw applied to a clutch structure having a rotating shaft includes a claw portion, a base portion and at least two elastic portions. The base portion is opposite to the claw portion and has a peripheral edge. The claw portion and the base portion are coaxially disposed on the rotating shaft. Each elastic portion is at least partly disposed around part of the claw portion to provide elastic force. Each elastic portion has a first end and a second end. The first end is connected with the base portion and extended from the peripheral edge, the second end is connected with the claw portion, and there is at least one bent section between the first end and the second end. Therefore, the collision damage is prevented, and the impact and friction generated when the clutch claw is instantaneously rotated is avoided, thereby achieving the advantage of reducing noise.

Abstract: A detection device is disclosed for detecting an abnormal object in a printing path. The detection device includes a first frame body, a first rotation shaft, two flexible portions and a detection module. The first rotation shaft is pivotally connected to the first frame body and has a first central axis. The two flexible portions are disposed at two opposite ends of the first rotation shaft along the first central axis, to provide an initial torque. Each flexible portion is connected between the first rotation shaft and the first frame body. The detection module includes a detection plate connected to the first rotation shaft. When the detection plate is forced by the abnormal object, the detection plate drives the first rotation shaft against the initial torque to rotate around the first central axis, so that the detection module detects the rotation of the first rotation shaft and the detection plate.

Abstract: A printer clean system includes a base, an ink stack assembly, a scraper assembly, a power transmission device and a driving device. The ink stack assembly is disposed on a first accommodation groove. The scraper assembly is disposed on a second accommodation groove. The power transmission device is connected with the driving device, the ink stack assembly, and the scraper assembly. When the power transmission device is rotated to a first angle, the ink stack assembly is brought to an ink stack clean position. When the power transmission device is rotated to a second angle, the scraper assembly is brought to a scraper clean position. When the power transmission device is rotated to a third angle, the ink stack assembly is located at an ink stack return position, and the scraper assembly is located at a scraper return position. Therefore, the pollution can be avoided.

Abstract: An extrusion device of a three-dimensional printer comprises a housing, a nozzle, a ratchet, an idler and a cooling mechanism. The nozzle is connected with the housing, the ratchet is disposed in the housing, and the idler is disposed adjacent to the ratchet. A thermofusible material is jointly held by the ratchet and the idler, and is guided to be extruded through the nozzle. The cooling mechanism comprises an air pump and an air pipe. The air pipe is partially disposed in the housing and connected with the air pump for guiding the air extracted by the air pump to flow into the housing through the air pipe, thereby reducing an environment temperature inside the housing. Therefore, by disposing the air-guiding cooling mechanism, the advantages of enhancing the cooling effect and the printing quality are achieved.

Abstract: An ink cartridge clean device including a housing, a work platform, at least one ink stack and at least one ink absorption pad clean element. The housing has a first sidewall and a second sidewall opposite to each other, and an accommodation groove is defined by the housing. The work platform is disposed in the accommodation groove and has two lateral surfaces opposite to each other, and each lateral surface has at least one stopper. The ink stack is disposed on the work platform, and has an ink absorption pad. The ink absorption pad clean element is rotatably connected with the first sidewall and the second sidewall. When the work platform is adjusted from a first position to a second position, the ink absorption pad clean element is rotated, so that the corresponding ink absorption pad is cleaned, thereby preventing the residual ink from contaminating or blocking the ink cartridge.

Abstract: The disclosure relates to a dual printhead assembly and a 3D printing apparatus. The dual printhead assembly includes a base, a printhead module and a switching module. The printhead module includes a positioning swing arm with a bearing disposed at the middle portion thereof, a first printhead unit and a second printhead unit fixed nearby two opposite edges of the bearing, respectively, and a fixing piece passing through the bearing to assemble the printhead module on the base. While a rotation shaft of the switching module is rotated to drive a first cam or a second cam to press an end or another end of an elastic sheet, a third or fourth connecting element disposed on the elastic sheet is driven to press an end or another end of the positioning swing arm, so as to adjust the height difference between the first printhead unit and the second printhead unit.

Abstract: A dual drive pressing apparatus for plural pressing heads is disclosed. The dual drive pressing apparatus includes a platform, a first rotation plate, a second rotation plate, a return set and a switch set. While the first rotation plate is driven by a first driving force, the first rotation plate rotates with the second rotation plate to a selectively specific angle relative to the platform, and the set of pressing columns is selectively aligned with a corresponding pressing head. While a second driving force is provided by the switch set to resist the resilience of the return set and push against the end of the supporting cylinder to move towards the second surface, the supporting cylinder of the second rotation plate drives the fourth surface separated from the first rotation plate, and the set of pressing columns on the third surface pushes the corresponding pressing head set.

Abstract: A three dimensional printer includes a spray head, a transmission mechanism, a construction platform, an adjustment device of the construction platform, a plurality of oil cylinders, an oil tank and a sensor. The spray head is disposed opposite to the construction platform, and the transmission mechanism is connected to the spray head for driving the spray head to move at a horizontal displacement plane. The oil cylinders are disposed at the construction platform for adjusting the construction platform to be parallel to the horizontal displacement plane. Hydraulic oil is stored in the oil tank, and each oil cylinder is connected with the oil tank through an oil pipe. The sensor is disposed at the spray head for sensing a plurality of vertical distances between the spray head and the oil cylinders. Therefore, the adjustment process and mechanism are simplified, and the advantages of enhancing the precision of the adjustment are achieved.

Abstract: An image capture and output method comprises steps of providing an image capture device, continuously capturing a plurality of line images from an initial position and recording a position information corresponded to each line image, calculating the difference between the position information of the first line image and the initial position and the differences between the position information of each of the rest line images and a former one of the line image to obtain a fill information, filling each line image into an image buffer according to the fill information, and outputting the image buffer as a product image. Therefore, the deformation issue is effectively solved, the storage memory is saved, and the manufacturing cost is lowered.

Abstract: An extrusion device of a three-dimensional printer includes a ratchet, a spray head, an idler, a feeding wheel and an optical detection mechanism. The spray head and the idler are disposed adjacent to the ratchet. A thermofusible material is provided to the spray head by the feeding wheel. The optical detection mechanism includes a guiding element and an optical detecting assembly. The guiding element is disposed between the ratchet and the feeding wheel along a feeding path. The optical detecting assembly is disposed adjacent to the guiding element. The thermofusible material is guided by the guiding element and partially disposed on a detecting area. A waveband light is emitted to the detecting area by the optical detecting assembly. The image produced by the reflection of the waveband light reflected by the detecting area is detected by the optical detecting assembly. Therefore, the operation of the equipment is completely monitored.

Abstract: A cutting knife assembly includes a motor, a knife, a fixing base and a position adjustment stand. The motor has a converter, the knife has a blade portion and a body portion connected with the blade portion and the converter. The fixing base has a main body having a penetration channel and a screw structure. The knife and the converter are penetrated through the penetration channel, the blade portion is exposed outside the main body, and the screw structure is disposed around the penetration channel. The position adjustment stand has a through hole having an inner screw structure matched with the screw structure. The main body and the through hole are screwed with each other. When the converter is driven by the motor, the knife and the fixing base are rotated by the converter, thereby adjusting an exposed distance. The height of the knife can be precisely adjusted.

Abstract: The disclosure is related to a positioning module and a handheld scanner using the same. The positioning module includes a base, a rotation support member, a shaft body, a wheel, a first sensor, and a second sensor. The rotation support member is pivoted to the base and rotates relative to the base about the first axis. The shaft body and the wheel are pivotally contacted to the main body and in constant contact with each other. When the wheel is rotated about a second axis due to a frictional force, the main body displace linearly and the shaft body is driven to rotate. Since the second axis is offset by the first axis, the rotation support member is driven to rotate at an angular displacement synchronously. The first and second sensors detect the shaft body and the main body to obtain the linear and angular displacements for positioning.

Abstract: An exposure molding device comprises an exposure tank, a working platform, and an optical system. The exposure tank has a first surface and a second surface. The working platform is disposed relative to the first surface. The optical system disposed relative to the second surface comprises a light emission element and an optical assembly. The light emission element emits light along an optical path. The optical assembly comprises a light transparent element, a first optical element, and a first transmission mechanism. The light transparent element is disposed on the optical path, the first optical element is disposed behind the light transparent element on the optical path, and the first transmission mechanism is disposed along a first direction and connected with the first optical element for driving the first optical element to move along the first direction. The molding range is expanded. The accuracy, velocity and quality of molding are enhanced.

Abstract: A steel wire transmission system includes plural slide rail seats, plural slide rails, plural wheel sets corresponding to the plural slide rails, plural slide blocks, plural steel wires, plural guide rods and a printhead module. The plural slide rails are disposed on the corresponding slide rail seats. Each wheel set includes a driving wheel and a driven wheel corresponding to the driving wheel. The driving wheel and the driven wheel of each wheel set are fixed at two ends of the corresponding slide rail. Each slide block is sheathed around the corresponding slide rail and movable between the corresponding driving wheel and the corresponding driven wheel. The plural steel wires are wound around the corresponding wheel sets. Each guide rod is connected with two corresponding slide blocks. The printhead module is connected with the plural guide rods.