Abstract: It is an object to provide a banding packing machine capable of easily processing a right presser member, a left presser member and a middle presser member, reducing the number of parts and readily carrying out attachment with high precision. A drum portion of at least a middle presser member (24) provided in a central part in a right presser member (22), a left presser member (23) and the middle presser member (24) has a sectional shape of an almost track including a pair of circular arc portions (26a, 26d) opposed to each other and a pair of straight portions (26c, 26d) opposed to each other, and one of ends of each of drum portions (27, 28) in the right presser member (22) and the left presser member (23) which are opposed to the straight portions (26c, 26d) of the middle presser member (24) is formed rectilinearly.

Abstract: A lower part 14L of a band way 14, which is incorporated in an arch unit 12, is separated from the other parts of the band way 14. A drive (air cylinder) 35 supports the lower part 14L, allowing the same to move between a substantially horizontal initial position and an inclined position. A band 13 is released from the band way 14 when a packing operation starts. Thereafter, the lower part 14L is moved from the initial position to the inclined position and compressed air is applied to the guide surface 14a of the lower part 14L, thereby removing foreign matter from the band way 14. This sequence of removing foreign matter is performed in, for example, each cycle of packing operation.

Abstract: It is an object to provide a controller in a banding packing machine which can easily set a correct condition when the controller for clamping, returning and tightening a band has a timing shifted from a predetermined timing. A controller in a banding packing machine comprises a cam shaft (22) to be rotated upon receipt of force from a driving source, a plurality of cams (24, 26, 28) provided in the cam shaft (22), a timing plate (45) provided in the cam shaft (22) and having holes (42, 44, 46) formed corresponding to predetermined positions such that a rotation position of the cam shaft (22) can be detected, and detecting means (50) for detecting that the holes (42, 44, 46) formed on the timing plate (45) reach the predetermined positions, wherein an inching mode is provided in which the rotation of the cam shaft (22) is stopped when the detecting means detects the predetermined holes (42, 44, 46) of the timing plate (45).

Abstract: A touch roller 20 (a driven roller) is mounted on the free end 22a of a support arm 22 that can rotate. A changeover mechanism 26 rotates the support arm 22, thus changing the inclination of the support arm 22. The touch roller 20 is thereby moved between two positions. In the first position, the touch roller 20 is pressed onto a forward driving roller 12. In the second position, the touch roller 20 is pressed onto a reverse driving roller 14. The rollers 12 and 14 are spaced apart from each other. The touch roller 20 may be moved to the third position, where it remains spaced from both the forward driving roller 12 and the reverse driving roller 14. In the second position, the touch roller 20 can be pushed onto the reverse driving roller with a small force or a large force. When the touch roller 20 is pushed onto the reverse driving roller 14 with the small force, the reverse driving roller 14 pulls back a band 15.

Abstract: A band feed length adjusting device in a packing machine which can newly input, to a control section, a length obtained by manually leading out a band to adjust the feed length of the band and can subsequently feed the band having a correct length in the case in which the size of an object to be packed is changed to be larger.

Abstract: A brake structure of a band reel in a packing machine in which reliable braking effects can be obtained and responsiveness can be enhanced. A brake arm (15) has a coil spring portion (16) provided on one of its ends and a band passing ring portion (18) provided on the other end is mounted on one of ends of the reel shaft (13). One of ends on the coil spring (16) side in the brake arm (13) is fastened to a fixed member such as a device frame. The diameter of the coil spring portion (16) is reduced to cause the inner peripheral surface of the coil spring portion (16) to closely engage the outer peripheral surface of the reel shaft (13), thereby stopping rotation of the reel shaft by frictional force, when the force for feeding the band is released.

Abstract: It is an object to provide a banding packing machine capable of easily processing a right presser member, a left presser member and a middle presser member, reducing the number of parts and readily carrying out attachment with high precision. A drum portion of at least a middle presser member (24) provided in a central part in a right presser member (22), a left presser member (23) and the middle presser member (24) has a sectional shape of an almost track including a pair of circular arc portions (26a, 26d) opposed to each other and a pair of straight portions (26c, 26d) opposed to each other, and one of ends of each of drum portions (27, 28) in the right presser member (22) and the left presser member (23) which are opposed to the straight portions (26c, 26d) of the middle presser member (24) is formed rectilinearly.

Abstract: A lower part 14L of a band way 14, which is incorporated in an arch unit 12, is separated from the other parts of the band way 14. A drive means (air cylinder) 35 supports the lower part 14L, allowing the same to move between a substantially horizontal initial position and an inclined position. A band 13 is released from the band way 14 when a packing operation starts. Thereafter, the lower part 14L is moved from the initial position to the inclined position and compressed air is applied to the guide surface 14a of the lower part 14L, thereby removing foreign matter from the band way 14. This sequence of removing foreign matter is performed in, for example, each cycle of packing operation.

Abstract: Front end portions of respective bands drawn out of two band reels are guided in substantially parallel relationship by means of band guide 11. When the band reel in use becomes empty, band feeding unit 30 is driven in reverse to thereby discharge a rear end portion of the band and, further, a front end portion of other band in stand-by condition is moved to a position of use by means of band changeover unit 20. An automatic band charging device can be provided which enables rapidly replacing an empty band reel with a spare band reel and which has a simple structure and realizes a reduced number of constituent parts, thereby contributing to the miniaturization of the packing machine.

Abstract: A method and apparatus for manufacturing paper cushioning members in which work paper is inserted between a pair of intermittent-cutting roller members to process multiple rows of thin bands with link portion. Waste-collecting members are provided at a discharge side of the rollers to separate the work paper from the roller members and to feed the processed work paper into a wave-forming guide. The wave-forming guide includes an upper pressing member that rotates about a hinge positioned at an end nearest to the discharge side of the rollers and a counterweight positioned at a distal end of said upper pressing member such that the upper pressing member is biased toward the interior of the wave-forming guide. The wave-forming guide is designed to forcibly compress the processed work paper into finely crumpled thin bands and to discharge the crumpled thin bands in a wavy form.

Abstract: A band charging apparatus for a packing machine capable of carrying out charging of a band while effectively preventing jamming of the band. In the packing machine, a band unwound from a reel is fed to a pool box by means of the band charging apparatus, to thereby be temporarily stored in the pool box. Then, the band is fed to a circumference of a package by means of a band feeding and tightening apparatus. Thereafter, the band is drawn back by means of the band feeding and tightening apparatus while a distal end of the band is kept gripped, resulting in being tightly wound on the package. The band charging apparatus includes a pool feed roller for carrying out feeding of the band to the pool box and a pool touch roller arranged so as to access to the pool feed roller through the band. Also, the band charging apparatus includes guide plates for defining a band guide path in the pool box when the band is set for charging of the band in the band feeding and tightening apparatus.

Abstract: A packing apparatus capable of permitting drawing-out of a band from a band guide arch structure to be regularly accomplished in order, to thereby improve durability of the apparatus and prevent damage to the band. Flaps each are formed of a lightweight metal material into an L-shape in section, and are provided at one edge thereof with a flange and formed at a portion thereof in proximity to the other edge thereof with a pair of threaded holes. The flaps are arranged in a manner to be contiguous to each other in order in such a manner that a forward end of each of the flaps defined in a direction of delivery of the band is positioned under a rearward end of the flap forwardly adjacent thereto while aligning threaded holes of the adjacent flaps with each other. Also, the flaps which are arranged at each of corner sections of a band way are curvedly connected to each other while forming an overlapped portion of an acute fan shape between each adjacent two flaps.

Abstract: A band feeding and tightening apparatus for a packing machine capable of effectively preventing jamming of a band in band passages during feeding and tightening of the band. A feed touch roller is pressedly contacted through the band with a feed roller rotated at a high speed, to thereby feed the band to a package. When a distal end of the band is gripped, a return touch roller is pressedly contacted through the band with a return roller rotated at a high speed, to thereby draw back the band, resulting in the band being wound around the package. Then, a tension touch roller is pressedly contacted through the band with a tension roller, to thereby tighten the band. Subsequently, an overlapped portion of the band is bonded by welding and a portion of the band wound around the package is cut from the remaining part of the band. A movable guide plate is moved in association with pressing of the feed touch roller to reduce a gap of a feed chute.

Abstract: This invention provides a method of removing an idle strapping band in which a band restored and retracted by a reverse rotation roller is wound around the end of a slide table forms a ring of the band in case of no article to be strapped and engaged with the band on a strapping machine body, a rotation reduction detection signal of the reverse rotation roller is not generated before the setting time of a timer is completely elapsed before the band is tightened, a band tightening step is then omitted, shifted to next cutting and fusing steps of the band supplying end, the ring of the band is then recoiled upward by means of elastic force for restoring the ring of the band to a true circle when the end of the slide table is retracted along guide rails and the band is automatically removed out of a band fusing mechanism.

Abstract: A band strapping machine having more than one supply reel and having a mechanism that automatically loads a band from a second supply reel when a first supply reel becomes empty. The trailing end of a band from the first band reel is grabbed so that it is not introduced into the machine's pool box and the band previously accumulated in the pool box is fed through the machine and used to accomplish a final strapping operation. The part of the band not needed to complete the final strapping operation is ejected from the machine by reverse rotation of a pool roller. The leading end of the replacement band is then gripped and a band guide unit moves into position to guide the replacement band through the machine's band guide arch to the machine's feed unit. Once the leading end of the replacement band has attained a preselected position, a coveyor line carrying articles to be strapped is re-started and a package is strapped with the band in the band guide arch.

Abstract: The present invention relates to a method and an apparatus for feeding and tightening a band wherein a touch roller is brought into compressive contact with a reverse rotation driving roller for a predetermined time when a signal for detecting a decrease in the speed of rotation including the stopping of a forward rotation touch roller is developed prior to the development of a signal for detecting the approach of the front end of the fed band to a mechanism for grasping the band front end; whereby the band is restored and the compressive contact of the reverse rotation touch roller is released after passage of the predetermined time so as to restore the band; the band is then restored by means of a tension roller which is rotated at a lower speed and driven at a higher torque as compared with the reverse rotation roller and a touch roller which is brought into compressive contact with and capable of separating from the tension roller; and the band is finally tightened by starting the reverse rotation of the

Abstract: The present invention relates to a band feeding and tightening apparatus within a strapping machine wherein an external force tending to cause jamming by means of friction and the like in feeding the band pivotably rotates a chute guide constituting part of a band passage, whereby the rear end portion of the chute guide is pushed upwardly and the band which is loosened by means of a length corresponding to the height of the pushed-up portion of the chute guide is retained within the band passage, so that the external force is momentarily released and the band is smoothly fed to the outside of the main body by means of a continuously rotating feed roller and an upper roller without causing jamming and distortion of the band.The feed roller is driven by means of a series motor and the band is fed at a high rate of speed and a low torque, and then restored so as to perform a primary tightening operation, and finally closely tightened around an article to be strapped at a low rate of speed and a high torque.