JP6631027B2 - Work laminating equipment - Google Patents

Description

  The present invention relates to a work laminating apparatus.

  As described in Patent Document 1, there is known an apparatus for obtaining a laminate in which a negative electrode foil, a separator, a positive electrode foil, and a separator are laminated in this order. This apparatus includes a separator supply stage, an electrode foil supply stage, and a lamination stage, and performs lamination by moving suction pads between each supply stage and the lamination stage. Further, this apparatus is provided with an inspection device for inspecting whether or not the laminated electrode foil and the separator are misaligned. The inspection apparatus includes a camera provided above the stacking stage, and performs imaging after the negative electrode foil and the separator are stacked, and performs imaging after the positive electrode foil and the separator are stacked. If the inspection device determines that there is a position shift, the position shift is corrected.

JP 2010-257861 A

  In the laminating apparatus of Patent Literature 1, the suction pad reciprocates between the separator supply stage and the electrode foil supply stage and the lamination stage to perform lamination. Incidentally, it is conceivable to increase the lamination speed in order to further increase the production efficiency. In the technique of Patent Document 1, it is difficult to increase the speed of suction and movement by a suction pad because a thin polar foil is handled. However, for example, it is conceivable to increase the number of suction pads and increase the lamination speed. However, since the inspection is performed during the lamination by the suction pad and the positional deviation is corrected if necessary, the shortening of the lamination interval by the suction pad is limited. For this reason, it is difficult to achieve both improvement in production efficiency, inspection of the state of lamination, and correction of misalignment based on the technique of Patent Document 1.

  SUMMARY OF THE INVENTION It is an object of the present invention to provide a work laminating apparatus capable of inspecting or aligning a stacked body while stacking works while improving production efficiency as compared with the related art.

A work stacking apparatus according to one embodiment of the present invention includes a supply conveyance unit that conveys and supplies a work, a work that is supplied by the supply conveyance unit, and stacks a plurality of work stacks along a conveyance path that is an orbit. A stack transport unit for transporting the stack, and an operation unit for inspecting a position shift of the work or aligning the stack shift of the work with respect to the stack while the stack is transferred along the transfer path.

  According to this work stacking apparatus, the stacked body transfer unit receives the work from the supply transfer unit and transfers the plurality of stacked bodies along the transfer path. The transport path is a circular orbit, and when a certain stacked body makes one round, the next work is stacked on the stacked body. While the stack is conveyed along the conveyance path, the operation unit performs inspection or alignment on the stack. As described above, since the inspection or alignment of the laminate is performed while the plurality of laminates are being transported along the transport path that is the orbit, there is no need to stop or stop the lamination of the work. Therefore, it is possible to inspect or align the stacked body while improving the production efficiency.

The stacked body transport unit may be configured to continuously transfer the stacked body at a constant speed.
The operation unit inspects the positional deviation of the work with respect to the laminate or aligns the positional deviation of the work with respect to the laminate in an area on the transport path excluding the delivery area where the work is transferred from the supply transport unit to the laminate transport unit. It may be a configuration to perform. In this case, it is possible to prevent the inspection or alignment by the operation unit from interfering with the delivery of the work.

A plurality of supply transport units are provided for the stacked body transport unit, and the operation unit is an area on the transport path excluding a plurality of delivery areas where the work is delivered from the supply transport unit to the stacked body transport unit, it may be configured to perform alignment of the inspection or laminating misalignment of the workpiece positional deviation of the workpiece with respect to the laminate. In this case, since the work is supplied by the plurality of supply conveyance units, the lamination speed is improved. In addition, it is possible to prevent the inspection or alignment by the operation unit from interfering with the delivery of the work.

  ADVANTAGE OF THE INVENTION According to this invention, when laminating | stacking a workpiece | work, the inspection or alignment of a laminated body is possible, aiming at the improvement of production efficiency.

It is a side view showing typically the work lamination device of a 1st embodiment of the present invention. FIG. 2 is a plan view schematically showing the work laminating apparatus of FIG. 1. (A) And (b) is a sectional side view showing an example of alignment of a work in a lamination part. It is a figure showing typically a work lamination device of a 2nd embodiment of the present invention. It is a top view which shows the modification of the laminated part in a laminated body conveyance part.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the description of the drawings, the same elements will be denoted by the same reference symbols, without redundant description.

  A work laminating apparatus 1 according to the first embodiment will be described with reference to FIGS. The work laminating apparatus 1 is an apparatus that is incorporated into a system for manufacturing a power storage device such as a lithium ion secondary battery. The work laminating apparatus 1 performs a part of a manufacturing process of an electrode assembly used for a power storage device, and is configured as a device that forms a laminate by laminating electrodes in a predetermined order.

  As shown in FIG. 2, the works W handled by the work stacking apparatus 1 are the positive electrode 2 and the negative electrode 3 of the power storage device. The positive electrode 2 is formed by forming a positive electrode active material layer on both surfaces of a rectangular metal foil made of, for example, an aluminum foil. The positive electrode active material layer includes a positive electrode active material and a binder. Examples of the positive electrode active material include a composite oxide, lithium metal, sulfur, and the like. The composite oxide contains, for example, at least one of manganese, nickel, cobalt, and aluminum, and lithium. On one edge of the positive electrode 2, a tab 2a used for connection with a positive electrode terminal is formed.

  Although not shown, the positive electrode 2 is in a state where the portion excluding the tab 2a is accommodated in a bag-shaped separator. Examples of the material for forming the separator include a porous film made of a polyolefin resin such as polyethylene (PE) and polypropylene (PP), and a woven or nonwoven fabric made of polypropylene, polyethylene terephthalate (PET), methylcellulose, or the like. Note that the separator is not limited to a bag shape, but may be a sheet shape.

  On the other hand, the negative electrode 3 is formed by forming a negative electrode active material layer on both surfaces of a metal foil made of, for example, a copper foil. The negative electrode active material layer is formed including a negative electrode active material and a binder. Examples of the negative electrode active material include graphite, highly oriented graphite, mesocarbon microbeads, carbon such as hard carbon and soft carbon, alkali metals such as lithium and sodium, metal compounds, SiOx (0.5 ≦ x ≦ 1.5 ) And boron-added carbon.

  The binder may be, for example, a thermoplastic resin such as polyamide imide or polyimide, or a polymer resin having an imide bond in the main chain. The solvent may be an organic solvent such as NMP (N-methylpyrrolidone), methanol, methyl isobutyl ketone, or water. On one edge of the negative electrode 3, a tab 3a is formed corresponding to the position of the negative electrode terminal. The tabs 2a and 3a are formed at positions where they do not overlap each other when the positive electrode 2 and the negative electrode 3 overlap.

  As shown in FIG. 1, the work laminating apparatus 1 includes a supply transport unit 11 that transports and supplies a work W, a sliding unit 12 that slides the work W discharged from the supply transport unit 11, and a sliding unit 12. A stacked body transport unit 13 that receives the dropped work W and transports the stacked body 20 of the work W;

  The supply transport unit 11 is, for example, a belt conveyor. A positive electrode supply device and a negative electrode supply device (not shown) are arranged on the upstream side. The positive electrode 2 and the negative electrode 3 are supplied and placed on the transport surface 11a of the supply transport unit 11 by the positive electrode supply device and the negative electrode supply device. More specifically, the number of the positive electrodes 2 corresponding to the number of the laminating sections 16 provided in the stacked body transport section 13 is continuously supplied, and subsequently, the number of the negative electrodes 3 corresponding to the number of the laminating sections 16 are continuously arranged. Supplied. The positive electrode 2 and the negative electrode 3 are placed such that the tabs 2a and 3a face upstream in the transport direction. The transport surface 11a extends, for example, horizontally. The supply conveyance unit 11 discharges the work W from an outlet 11b provided at the tip. The supply / conveyance section 11 has a straight section 11c extending linearly, and an exit section 11b is provided at the end of the straight section 11c. The linear portion 11c is arranged, for example, horizontally, and is located above the stacked body transporting portion 13.

  The sliding section 12 is provided at an outlet section 11b of the supply / transport section 11. When the supply / conveyance section 11 is a belt conveyor, the sliding section 12 may be attached to a frame section of the belt conveyor. The sliding portion 12 has a bottom plate portion 12a provided to be inclined with respect to a horizontal plane, and a pair of side plate portions 12b, 12b standing upright on the bottom plate portion 12a and separated in the width direction. Here, the width direction is a direction perpendicular to the inclination direction of the bottom plate portion 12a and extending horizontally (a direction perpendicular to the paper surface of FIG. 1). The surface of the bottom plate portion 12a is a sliding surface on which the work W slides. As shown in FIG. 2, the pair of side plates 12 b can guide the work W to a predetermined position in the width direction, and is provided with an interval corresponding to the width of the work W. The side plate portion 12b has a tapered portion 12c in which an upper receiving portion is widened and the distance is reduced so as to approach the width of the work W downward, and a side plate portion 12b is connected to a lower end of the tapered portion 12c to be larger than the width of the work W. And a parallel portion 12d having a slightly larger interval. By providing the tapered portion 12c, the work W can be easily guided to a predetermined position in the width direction. The sliding part 12 drops the work W from the lower end of the bottom plate part 12a.

  The stacked body transport unit 13 is, for example, a belt conveyor that forms a circulating path. The stacked body transport section 13 has a pair of parallel straight portions 13a, 13a and a pair of curved portions 13b, 13b connecting both ends of the straight portions 13a, 13a. The straight path 13a and the curved section 13b form a transport path that is a revolving orbit. The transport path is formed, for example, horizontally. The stacked body transport unit 13 sequentially transports the plurality of stacked bodies 20 along a transport path that is a orbit. The stacked body transport unit 13 continuously transfers the stacked body 20 at a constant speed, for example. Note that the stacked body transport section 13 may intermittently transport the stacked body 20 by repeatedly moving and stopping. Further, the stacked body transport section 13 may have a circular transport path without having a linear section, or may have an elliptical transport path.

  In the stacked body transport section 13, one straight section 13 a is disposed below the straight section 11 c of the supply / transport section 11 and parallel to the straight section 11 c. In other words, the linear portion 13a and the linear portion 11c of the supply / transport portion 11 overlap in a plan view. The sliding section 12 is disposed between the linear section 11c of the supply transport section 11 and the linear section 13a of the stack transport section 13. The work W slid on the sliding section 12 is configured to drop to a predetermined position on the transport path of the stacked body transport section 13. The delivery area A where the work W is delivered from the supply transport unit 11 to the laminate transport unit 13 is formed by the outlet 11b of the supply transport unit 11, the sliding unit 12, and the predetermined position of the laminate transport unit 13. . In other words, the delivery area A in which the workpiece W is delivered includes the outlet 11b of the supply transport unit 11 (the portion from which the workpiece W is taken out), the sliding unit 12, and the stacked body transport unit 13 located immediately below the sliding unit 12. (The part on which the work W is placed).

  In the delivery area A, the transport direction of the workpiece W in the supply transport unit 11 and the transport direction of the laminate 20 in the laminate transport unit 13 match. As described above, the supply and transport unit 11 has the linear portion 11c in which the transport direction of the work W is linear, and the laminate transport unit 13 has the linear portion 13a in which the transport direction of the laminate 20 is linear. Have. The straight part 11c and the straight part 13a are arranged in parallel, and the delivery area A includes a part of the straight part 11c and a part of the straight part 13a.

  A plurality of stacking units 16 are fixed on the stack transport unit 13. The plurality of laminating units 16 are arranged at equal intervals along the transport path of the laminate transport unit 13. Each of the stacked portions 16 includes a bottom wall portion 16a provided to be inclined with respect to a horizontal plane, a pair of side wall portions 16b, 16b erected on the bottom wall portion 16a and separated in the width direction, and a bottom wall portion. A stopper 16c is provided to stand vertically to the side 16a and arranged between the side walls 16b, 16b. The bottom wall portion 16a, the side wall portions 16b, 16b, and the stopper 16c form a stacked region where the stacked body 20 is stacked.

  The inclination angle of the bottom wall portion 16a with respect to the horizontal plane is smaller than the inclination angle of the bottom plate portion 12a of the sliding portion 12 with respect to the horizontal plane. The inclination angle of the bottom wall portion 16a with respect to the horizontal plane may be equal to the inclination angle of the bottom plate portion 12a with respect to the horizontal plane (that is, the bottom wall portion 16a and the bottom plate portion 12a are parallel). With the operation of the stacked body transport unit 13, the upper end of the bottom wall 16a of the stacked unit 16 to be transported passes directly below the lower end of the bottom plate 12a. As shown in FIG. 2, the pair of side walls 16b, 16b can guide the work W to the lamination region, and are provided with an interval corresponding to the width of the work W. The side wall portion 16b has a tapered portion 16d in which the upper receiving portion is widened and the distance is reduced so as to approach the width of the work W as it goes downward, and the side wall portion 16b is connected to the lower end of the tapered portion 16d to be wider than the width of the work W. And a parallel portion 16e having a slightly larger interval. The interval between the parallel portions 16e may be smaller than the interval between the parallel portions 12d in the sliding portion 12.

  The plurality of works W conveyed by the supply / conveyance unit 11 are discharged from the outlet 11b, and are stacked on the stacking area of the stacking unit 16 via the sliding unit 12. The supply conveyance section 11 and the stacked body conveyance section 13 allow the work W to fall when the stacked section 16 passes through the delivery area A (that is, when the stacked section 16 is located immediately below the sliding section 12), and the work W The transport speed, the interval between the workpieces W to be transported, the number and interval of the laminating units 16 and the like are set so that the components are placed on the laminate 20.

  In the stacked body transport section 13, one work W is stacked every time one stacked section 16 makes a round of the transport path. The arrangement of the works W conveyed by the supply conveyance unit 11 corresponds to the number of the lamination units 16 provided in the lamination body conveyance unit 13. For example, when ten stacked units 16 are provided in the stacked body transport unit 13, ten negative electrodes 3 (the second type of work W) are continuously supplied onto the conveyor of the supply transport unit 11, Subsequently, ten positive electrodes 2 (first type of work W) are continuously supplied. As described above, the same number of works of the same type corresponding to the number of the stacking units 16 are collectively supplied to the supply conveyance unit 11. With the above configuration, a stacked body 20 in which different types of works are sequentially stacked is formed in the stacked region of the stacked unit 16.

  Although not shown, the work laminating apparatus 1 is provided with a detection unit that detects the completion of lamination by detecting the lamination height of the laminate 20 or calculating the number of laminations of the work W. The detection unit may be configured, for example, to provide an optical sensor on the sliding unit, detect the passage of the work W by the optical sensor, and count the number of sheets passed. Further, the work laminating apparatus 1 is provided with an unloading device such as an arm device that unloads the stacked body 20 from the stacking unit 16 when the stacking is completed. When the stacking is completed in the plurality of stacking units 16, the operation of the supply and transport unit 11 may be stopped by an operator or the like, and the stacks 20 in the stacking unit 16 may be sequentially taken out by the unloading device. In this case, the take-out by the unloading device may be performed while the transport of the stacked body transport unit 13 is continued, or the unloading device may be moved to the position of each of the stacked units 16 after the transport unit 13 is stopped. Removal may be performed. The laminated portion 16 itself may be taken out.

  The work laminating apparatus 1 of the present embodiment includes an operation unit 50 that inspects and aligns the laminate 20 while the laminate 20 is transported along the transport path. The operation unit 50 includes, for example, an inspection unit 30 (see FIG. 2) that performs an inspection operation on the stacked body 20 in an area on the transport path except the delivery area A, and an inspection unit 30 that performs an inspection operation on the transport path except the delivery area A. And a positioning unit 40 (see FIG. 3) that performs a positioning operation on the stacked body 20. The region on the transport path where the inspection is performed by the inspection unit 30 and the region on the transport path where the alignment is performed by the alignment unit 40 are, for example, a pair of curved portions 13b, 13b or a connection between them. The other straight portion 13a. The area to be inspected is an area where the stacked body 20 to be inspected is located. The area where the alignment is performed is an area where the stacked body 20 to be aligned is located.

  As illustrated in FIG. 2, for example, the inspection unit 30 performs the processing of the workpiece W based on the camera 32 provided above the transport path of the laminate transport unit 13 and the image of the laminate 20 captured by the camera 32. And a control unit 31 for determining a displacement. The camera 32 captures an image of the stacked body 20 from the stacking height direction of the work W (that is, the direction perpendicular to the bottom wall 16a). In the example shown in FIG. 2, the camera 32 is installed so as to capture an image of the stacked body 20 located at the curved portion 13b. The control unit 31 includes a computer having a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an input / output interface, and the like. The control unit 31 determines whether or not the work W is displaced in the stacked body 20 by performing image processing or the like. The positional deviation determined by the control unit 31 is a positional deviation (ie, protrusion) of the sheet-shaped work W in the width direction and the height direction. The control unit 31 detects a displacement in the XY directions (see FIG. 3). Note that the inspection unit 30 may include a sensor or the like that is provided in the stacking unit 16 and that detects a displacement of the stack 20 in the stacking height direction (Z direction).

  As shown in FIG. 3, the positioning unit 40 includes a first positioning mechanism 41 that performs positioning in the stacking height direction (Z direction) of the stacked body 20 and a work piece W in the height direction (Y direction). A second alignment mechanism 42 for performing alignment. The first positioning mechanism 41 is connected to, for example, the stopper 16c. The first positioning mechanism 41 includes an actuator 41a, an arm 41b which is moved forward and backward by the actuator 41a, and a pressing plate 41c provided at a tip of the arm 41b. The actuator 41a can move the pressing plate 41c along the Z direction. The second positioning mechanism 42 is connected to, for example, the bottom wall 16a. The first alignment mechanism 41 corrects the positional deviation in the stacking height direction (Z direction) by pressing the work W stacked on the uppermost layer of the stacked body 20 toward the bottom wall 16a. In other words, the first positioning mechanism 41 corrects the stacking deviation of the work W one by one.

  When performing the correction in the Z direction, the position where the work W falls may be changed. The displacement in the Z direction is, for example, a state where the workpiece W is partially lifted. Such a defect is affected by the position where the work W is dropped on the stacked body 20. The drop position of the workpiece W on the stacked body 20 is determined by the relative position between the supply and transport unit 11 and the stacked body transport unit 13 (that is, the stacked unit 16). Therefore, by temporarily increasing or decreasing the speed of the stacked body transport unit 13, it is possible to change the drop position of the work W on the stacked body 20. For example, when it is assumed that the work W is dropping near the upper end of the stack 20, the speed of the stack transport unit 13 is temporarily reduced, and the work W drops in the middle of the stack 20. Control may be performed.

  The second positioning mechanism 42 includes an actuator 42a, an arm 42b which is moved forward and backward by the actuator 42a, and a pressing plate 42c provided at a tip of the arm 42b. The actuator 41a may be fixed to the back side of the bottom wall 16a. The arm 42b passes through the through hole 16f of the bottom wall 16a, and the pressing plate 42c is disposed on the front side of the bottom wall 16a. The actuator 42a can move the holding plate 42c along the Y direction. The first alignment mechanism 41 and the second alignment mechanism 42 are provided at positions that do not interfere with the falling workpiece W (excluding the falling path). The second alignment mechanism 42 corrects the positional deviation of the work W in the height direction, that is, the lamination deviation, by pressing the work W of the stacked body 20 toward the stopper 16c.

  The timing and the like of the first positioning mechanism 41 and the second positioning mechanism 42 may be controlled, for example, by the control unit 31. However, the first positioning mechanism 41 and the second positioning mechanism 42 It may be configured to operate. For example, a sensor for detecting whether or not the stacking section 16 (the stack 20) is in the delivery area A and a separate control section may be provided for each of the stack transport sections 13. The first positioning mechanism 41 and the second positioning mechanism 42 may be controlled by the control unit 31 and operate only when the stacking unit 16 (the stack 20) is outside the delivery area A. .

  In the work laminating apparatus 1, the inspection and alignment of the stacked body 20 are performed while one stacked unit 16 makes one round of the transport path, that is, every time one work W is stacked. As described above, by providing the stacked body 20 with the buffer and rotating the plurality of stacked bodies 20 on the transport path, the inspection and alignment of the stacked body 20 are performed until the next rotation (that is, idle time). Is done. In other words, the inspection and alignment of the stacked body 20 and the stacking of the works W are simultaneously performed.

  Inspection and alignment with respect to the laminate 20 may be performed on all the laminates 20 independently. The inspection unit 30 may be provided on the upstream side and the positioning unit 40 may be provided on the downstream side with respect to the transport path. In this case, in the inspection of the stacked body 20, the positioning by the positioning unit 40 may be performed only on the stacked body 20 that is determined to have a positional shift by the control unit 31. Specifically, the first alignment mechanism 41 and the second alignment mechanism 42 may input a signal indicating the inspection result in the control unit 31 and perform an alignment operation according to the inspection result. The positioning unit 40 may be provided on the upstream side and the inspection unit 30 may be provided on the downstream side with respect to the transport path. In this case, in the inspection of the stacked body 20, the stacked body 20 determined to have a positional shift by the control unit 31 may be paid out (discharged) from the transport path. Inspection and alignment need not be performed each time the stacking unit 16 makes one round of the transport path, and may be performed, for example, every time the stacking unit 16 makes two rounds of the transport path (each time a plurality of rounds).

  According to the work laminating apparatus 1 of the present embodiment, the stack transport unit 13 receives the work W from the supply transport unit 11 and transports the plurality of laminates 20 along the transport path. The transport path is a circular orbit, and when a certain stacked body 20 makes one round, the next work W is stacked on the stacked body 20. While the laminate 20 is transported along the transport path, inspection and alignment are performed on the laminate 20 by the inspection unit 30 and the alignment unit 40 (the operation unit 50). As described above, since the inspection and the alignment are performed while the plurality of stacked bodies 20 are transported along the transport path that is the orbit, there is no need to stop or stop the stacking of the workpiece W itself. Therefore, it is possible to increase the number of laminates that are completed within a certain period of time, and to inspect and align the laminate 20 while improving production efficiency.

  In the conventional apparatus, if the laminating speed is too high, inspection and position correction cannot be performed. Even if the position correction is performed after the completion of the lamination, the position correction is difficult. In the work laminating apparatus 1, position correction (position adjustment) can be performed for each sheet or for a small number of sheets, so that position correction is easy. Further, the inspection and the lamination are performed simultaneously without wasting the inspection time. As a result, production efficiency is improved and cost is reduced. In addition, the lamination accuracy is improved, and the performance as a work laminating apparatus is improved.

  In the delivery area A where the workpiece W is delivered, the transport direction of the work W in the supply transport unit 11 and the transport direction of the laminate 20 in the laminate transport unit 13 match. Delivery of the work W to the transport unit 13 is easily performed.

  Moreover, since the delivery area A is provided in the linear portions 11c and 13a, which are linear portions, both the transport direction of the work W and the transport direction of the stacked body 20 are straight. Therefore, the delivery of the work W is performed easily and accurately.

  Since the inspection unit 30 and the alignment unit 40 perform inspection and alignment of the stacked body 20 in an area on the transport path excluding the delivery area A, the inspection and alignment may interfere with the delivery of the work W. Absent.

  The inspection of the stacked body 20 is performed by the inspection unit 30 in the middle of the transport path. That is, by using the transport path, the inspection unit 30 can perform the inspection at only one location regardless of the number of the stacked units 16.

  FIG. 4 is a diagram schematically showing a work laminating apparatus 1A according to the second embodiment. The work laminating apparatus 1A according to the second embodiment is different from the work laminating apparatus 1 according to the first embodiment shown in FIG. 2 in that a supply transport section 11A for the positive electrode 2 and a negative electrode 3 are provided instead of one supply transport section 11. And a supply and transport unit 11B for use. The supply transport unit 11 </ b> A is provided above one linear portion 13 a of the stacked body transport unit 13. The supply transport section 11B is provided above the other linear section 13a of the stacked body transport section 13. A delivery area A1 in which the positive electrode 2 is delivered is formed by predetermined positions of the outlet 11b of the supply transport section 11A, the sliding section 12, and the stacked body transport section 13. A delivery area A2 in which the negative electrode 3 is delivered is formed by the outlet 11b of the supply / transportation section 11B, the sliding section 12, and the predetermined position of the stack transport section 13.

  As described above, the plurality of supply transport units 11A and 11B are provided for the stacked body transport unit 13. Also in this case, the inspection unit 30 and the alignment unit 40 perform inspection and alignment on the stacked body 20 in an area on the transport path excluding the plurality of delivery areas A1 and A2. In FIG. 4, the inspection unit 30 and the positioning unit 40 are not shown, but their configurations are the same as those of the work laminating apparatus 1 of the first embodiment. According to the work laminating apparatus 1A, the work W is supplied by the plurality of supply / conveyance units 11A and 11B, so that the laminating speed is improved. In addition, the inspection and alignment by the inspection unit 30 and the alignment unit 40 do not interfere with the delivery of the work W.

  Although the embodiment of the present invention has been described, the present invention is not limited to the above embodiment. For example, as shown in FIG. 5, a stacking unit 26 that adjusts the position of the work W to the outer peripheral side by using a centrifugal force when passing through the curved portion 13b of the stack transport unit 13 may be employed. The laminated portion 26 has a linear side wall 26a on the outer peripheral side, and has a side wall 26b including a tapered portion on the inner peripheral side. When the stacking section 26 passes through the curved section 13b of the transport path, the stack 20 in the stacking section 26 is pressed against the side wall section 26a, and the positional deviation of the work W in the width direction (X direction) is corrected. You.

  Further, in the delivery areas A, A1, A2, the transport direction of the work W in the supply transport units 11, 11A, 11B and the transport direction of the stacked body 20 in the stacked body transport unit 13 do not have to match. The transport direction of the work W and the transport direction of the stacked body 20 may be non-parallel or may be in a twisted relationship. The delivery area A may not be provided in a linear portion.

  The inspection unit 30 or the alignment unit 40 (the operation unit 50) may perform either the inspection or the alignment of the stacked body 20 in the delivery areas A, A1, and A2. The inspection unit 30 or the positioning unit 40 (the operation unit 50) may perform only the inspection of the laminate 20 while the laminate 20 rotates. That is, the above-described positioning unit 40 may not be provided, and only the inspection unit 30 may be provided. When the operation unit 50 performs only the inspection of the stacked body 20, for example, when the inspection result (determination of the presence / absence of misalignment) is “defective”, a notification to that effect (for example, turning on a lamp) may be performed. Good. Further, when the inspection result is “bad”, the inspection target stack may be paid out (discharged) from the transport path. The operation unit 50 may perform only the alignment of the laminate 20 while the laminate 20 rotates. That is, the above-described inspection unit 30 may not be provided, and only the alignment unit 40 may be provided. When the operation unit 50 performs only the alignment of the stacked body 20, the operation unit 50 does not perform the inspection, and thus does not detect whether the stacked body 20 is misaligned. Therefore, the operation unit 50 performs the alignment for all the stacked bodies 20 including the stacked body 20 in which no positional shift actually occurs.

  The inspection unit 30 is not limited to the mode using the camera 32. The positioning unit 40 may not be provided in the stacked unit 16. The positioning unit 40 may be provided on a conveyor or the like of the stacked body transport unit 13. Furthermore, when the stack transport unit 13 intermittently transports the stack 20, the positioning unit 40 may be provided at a predetermined location outside the stack transport unit 13. A third alignment mechanism for aligning the work W in the width direction (X direction) may be provided. The laminated portion 16 having the bottom wall portion 16a and the side wall portion 16b may be omitted. For example, a structure for accommodating the laminate 20 may be incorporated in a conveyor or the like of the laminate transport unit 13.

  The sliding section 12 may be omitted. The workpiece W may be dropped directly from the supply transport unit 11 to the stacked body transport unit 13, or a suction transport unit that transports the work W supplied from the supply transport unit 11 while supporting the work W with the suction unit may be provided. . In the delivery area A, inspection or alignment may be performed.

  In the above-described embodiment, the stacked body transport unit 13 is exemplified by a belt conveyor, but is not particularly limited. For example, a pallet transport system that is transported on a circulation path by a timing belt or a chain may be used.

  Reference numerals 1, 1A: Work laminating apparatus, 2: Positive electrode, 3: Negative electrode, 11, 11A, 11B: Supply and transport section, 12: Sliding section, 13: Laminated body transport section, 30: Inspection section, 40: Alignment section, 50 ... Operating part, A, A1, A2.

Claims (4)

A supply transport unit that transports and supplies the work,
A stacked body transfer unit that receives the work supplied by the supply transfer unit, and transfers a plurality of the stacked bodies of the work along a transfer path that is a circular orbit;
A work laminating apparatus comprising: an operation unit for inspecting a position shift of the work or aligning the position of the work lamination shift with respect to the stack while the stack is conveyed along the conveyance path. The work laminating apparatus according to claim 1, wherein the laminate transport unit transports the laminate continuously at a constant speed. The operation unit is configured to inspect a position shift of the work with respect to the laminate or the work in an area on a conveyance path excluding a delivery area where the work is transferred from the supply conveyance unit to the laminate conveyance unit. work laminating apparatus according to claim 1 or 2 performs alignment of the stack deviation. The supply transport unit is provided in a plurality with respect to the stacked body transport unit,
The operation unit, in an area on a transport path except for a plurality of delivery areas in which the work is delivered from the supply transport unit to the laminate transport unit, inspection of the position shift of the work with respect to the laminate or work laminating apparatus according to claim 1 or 2 to position the laminating misalignment of the workpiece.

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