JP4664418B2 - Sheet laminate assembly device - Google Patents

Description

  The present invention relates to an apparatus for assembling a sheet laminate in which sheet laminates that are stacked without using a joining region or the like are handled as a unit, and the sheet laminate is assembled at a predetermined position, and is particularly used for a liquid crystal display device or the like. The present invention relates to an apparatus for assembling a sheet laminate used for an optical sheet.

  A planar light emitting device for illuminating a commonly used liquid crystal display element includes a light source, a light guide plate, a reflection sheet, and an optical sheet. FIG. 2 is a perspective view of a liquid crystal display device provided with the planar light emitting device. 3A is a cross-sectional view taken along a line perpendicular to AA ′ of FIG. 2 in the cross-sectional view of the planar light emitting device 30, and FIG. 3B is a cross-sectional view taken along AA ′ of FIG. FIG. As illustrated in FIGS. 2 and 3, the planar light emitting device 30 is an edge light type illumination device, and the light source 15 mounted on the substrate 16 is disposed on one side surface of the light guide plate 13. The light source 15 is realized by, for example, a light emitting diode (LED). The reflection sheet 17 is disposed on one main surface portion of the light guide plate 13, and the optical sheet 12 is disposed on the other main surface portion of the light guide plate 13. The optical sheet 12 is configured by laminating a plurality of sheets, that is, a first optical sheet 12a, a second optical sheet 12b, a third optical sheet 12c, and a fourth optical sheet 12d. For example, 12a and 12d are diffusion sheets, and 12b and 12c are prism sheets. In the optical sheet 12, the illumination light emitted from the light source 15 is incident on the light guide plate 13 from one side surface, is emitted from the other main surface of the light guide plate 13, and is irradiated on the liquid crystal panel 10 through the optical sheet 12. . The optical sheet 12 diffuses and condenses the illumination light emitted from the other main surface of the light guide plate 13 so that it can be illuminated uniformly over the entire liquid crystal panel 10. It is configured to demonstrate.

  The optical sheet 12 such as a prism sheet and a diffusion sheet can be obtained by punching only the optical sheet 12 into a predetermined shape in a state where the optical sheet 12 is bonded to the conveyance sheet. The punched optical sheets 12 are taken out one by one by hand, for example, and assembled into the planar light emitting device 30. On the other hand, when the process of taking out the punched optical sheets 12 is automated, a method of picking up the surfaces of the optical sheets 12 and taking them out one by one is used. The extracted optical sheets 12 are laminated in a predetermined order on the light guide plate 13 incorporated in the frame 14. Of the laminated optical sheets 12, at least the peripheral portion of the outermost first optical sheet 12a is fixed to the frame by a double-sided adhesive tape 11 having a light shielding function.

  As an example of the above method, Patent Document 1 relating to a method in which a plurality of optical sheets are laminated and cut into a predetermined shape, and the plurality of optical sheets are handled while being laminated is cited. According to the method disclosed in Patent Document 1, the optical sheet cutting process required for the number of optical sheets incorporated in the planar light emitting device is completed for each planar light emitting device in one step. Is good. In addition, since a plurality of optical sheets are handled in a stacked state, there is a low possibility that dust will enter between the optical sheets, and an improvement in product yield can be expected.

  In order to handle a plurality of optical sheets as they are stacked, the method disclosed in Patent Document 1 described above joins the peripheral edges of the optical sheet stack. As an example of a method of handling thin plate members stacked without using a joining region, Patent Literature 2 relating to a method of inserting a plurality of thin plate members into a predetermined housing member can be cited. According to the method disclosed in Patent Document 2, an insertion jig having an openable and closable thin plate holding member is used at the bottom, and all thin plate members are inserted into the insertion jig having the thin plate holding member closed, and then inserted. The thin plate member is transferred to the housing member by engaging the jig with the housing member and opening the thin plate holding member.

  Furthermore, according to the method disclosed in Patent Document 3, a structure is provided in which a joint having a through hole is provided around the optical sheet. By adopting this structure, for example, by passing a through hole through a guide rail, it is easy to incorporate a plurality of optical sheets into another unit after aligning a plurality of optical sheets.

JP2007-156014 (released on June 21, 2007) JP 4-46719 (published February 17, 1992) JP 2007-79026 (published March 29, 2007)

  In the method disclosed in Patent Document 1, in order to handle the laminated optical sheets as a unit, it is necessary to join the peripheral edges of the laminated body of optical sheets as described above. In this joined region (hereinafter referred to as “joined region”), the optical sheet is distorted and the flatness of the optical sheet laminate is impaired, and the required optical characteristics may not be obtained particularly in the vicinity of the joined region. is there. Therefore, since the vicinity of the bonding area needs to be arranged outside the display area of the display device, the optical sheet size is increased compared to a case where the bonding area is not required, so that the manufacturing cost increases and the frame of the display device is increased. Design constraints increase due to the larger area.

  On the other hand, when the optical sheet laminate does not have a bonding region, for example, when the optical sheet laminate is assembled to the housing member using the method disclosed in Patent Document 2, the thin plate holding member is opened when the thin plate holding member is opened. The member falls by its own weight. In order to smoothly shift the thin plate member to the housing member, it is necessary to keep the posture of the thin plate member parallel to the housing member, and it is required that all the thin plate holding members be separated from the thin plate member at the same time. It is difficult to realize this operation control. Further, when the thin plate member does not fall smoothly due to its own weight, that is, in a state where the posture of the thin plate member is not parallel to the housing member and is inclined, or in a state where a part of the thin plate member is caught on the inner wall of the insertion jig and there is resistance. If the optical sheet is forcibly pushed in from above, the optical sheet is a thin and easily deformable material, and therefore the optical sheet laminate may not fit in the predetermined position of the housing member or may be damaged.

  Moreover, when providing the junction part which formed the through-hole separately in the periphery of an optical sheet like invention disclosed in patent document 3, the area | region which cannot permeate | transmit light will be provided on an optical sheet. Therefore, as compared with a case where an optical sheet having the same area is manufactured by another method, extra members are required for the optical sheet, which may increase the cost. Further, when the optical sheet is finally stored in another unit, the outer shape of the unit becomes large, and there is a possibility that the final product cannot be reduced in size.

  The present invention has been made in view of the above-described conventional problems, and the object thereof is to provide an optical sheet when assembling a laminated body of optical sheets stacked without passing through a joining region at a predetermined position of a housing member. By providing an assembly device for a sheet material laminate that can prevent the optical sheet laminate from being placed in a predetermined position of the housing member or the optical sheet from being damaged without generating a region that does not transmit light. is there.

  An apparatus for assembling a sheet laminate of the present invention includes a push plate that pushes in the sheet laminate and a guide that guides the sheet laminate to a predetermined position, and is disposed on an extension line in a direction in which the sheet laminate is discharged. An apparatus for assembling the sheet laminate in which the sheet laminate is pushed into a member, wherein the length of at least one of the sides forming the opening on the side of discharging the sheet laminate of the guide is the sheet laminate. The length is at least one side of the sides forming the outer shape, and there is a gap between the guide and the housing member.

  With this feature, the sheet stack is handled as a unit, so that the number of man-hours required for assembly can be reduced compared to assembling the sheets one by one with respect to the housing member, so that the production efficiency can be improved. be able to. Further, when the sheet laminate is pushed down when passing through the guide, the posture of the sheet laminate is corrected by the contact surface of the push plate with the sheet laminate. Since the contact surface of the push plate with the sheet laminate is parallel to the housing member 6, the orientation of the sheet laminate when passing through the guide can be kept parallel to the housing member 6. The body can be smoothly transferred to the housing member, and an effect can be obtained in which the sheet stack can be prevented from being fitted or damaged in the predetermined position of the housing member. Further, since the contact surface of the push plate with the sheet laminate can be protruded from the opening on the guide sheet laminate discharge side, the sheet laminate can be reliably discharged from the guide and transferred to the housing member. be able to.

  Furthermore, the sheet laminate assembly apparatus of the present invention is characterized in that the gap between the guide and the housing member is larger than the total thickness of the sheet laminate.

  This feature provides a space in which the sheet laminate passes through the guide and can be accommodated in the accommodating member, and the contact surface of the push plate with the sheet laminate is the opening on the side of the guide that discharges the sheet laminate. Therefore, the effect that the sheet laminated body can be reliably transferred to the housing member without staying in the guide is obtained.

  Furthermore, the sheet laminate assembly apparatus of the present invention is characterized in that the area of the contact surface of the push plate with the sheet laminate is smaller than the area of the opening of the guide on the side where the sheet laminate is discharged. .

  This feature provides a space in which the sheet laminate passes through the guide and can be accommodated in the accommodating member, and the contact surface of the push plate with the sheet laminate is the opening on the side of the guide that discharges the sheet laminate. Therefore, the effect that the sheet laminated body can be reliably transferred to the housing member without staying in the guide is obtained.

  Further, in the sheet laminate assembly apparatus of the present invention, in the opening of the guide on the side where the sheet laminate is discharged, the distance between two opposing sides is smaller than the distance between two sides forming the outer shape of the sheet laminate, The distance between the other two opposite sides is the same as the distance between the other two sides forming the outer shape of the sheet laminate.

  This feature allows the pair of sides of the sheet laminate to be relatively strongly regulated by the guide while the sheet laminate passes through the guide, so that the sheet laminate is deformed into an arcuate shape and the other pair of sides is regulated. Because the force is small, it is linear with almost no deformation. Therefore, since the deformation of the sheet laminate is limited to one in-plane direction, the stress received when it is pushed down by the push plate does not concentrate on one point, so that the effect of suppressing damage to the sheet laminate can be obtained.

  An apparatus for assembling a sheet laminate of the present invention includes a push plate that pushes in the sheet laminate and a guide that guides the sheet laminate to a predetermined position, and is disposed on an extension line in a direction in which the sheet laminate is discharged. An apparatus for assembling the sheet laminate in which the sheet laminate is pushed into a member, wherein the length of at least one of the sides forming the opening on the side of discharging the sheet laminate of the guide is the sheet laminate. The length is at least one side of the sides forming the outer shape, and there is a gap between the guide and the housing member.

  According to the above invention, since the sheet laminate is handled as a unit, the number of man-hours required for assembly can be reduced compared to assembling the sheets one by one with respect to the housing member, so that the production efficiency is good. . Further, the sheet laminate is pushed down by the push plate and passes through the guide. When the sheet laminate is pushed down, the posture of the sheet laminate is corrected by the contact surface of the push plate with the sheet laminate. By making the contact surface of the push plate with the sheet laminated body parallel to the housing member, the posture of the sheet laminated body when passing through the guide can be kept parallel to the housing member. It can transfer to a storage member and can suppress that a sheet laminated body does not fit in the predetermined position of a storage member, or is damaged. Further, since the contact surface of the push plate with the sheet laminate can be protruded from the opening on the guide sheet laminate discharge side, the sheet laminate can be reliably discharged from the guide and transferred to the housing member. be able to.

It is sectional drawing and top view which show one Embodiment of the assembly apparatus of the sheet laminated body in this invention. It is a perspective view which shows a liquid crystal display device. It is sectional drawing which shows a planar light-emitting device. It is the schematic which shows one form of the Example of the assembly apparatus of the sheet laminated body in this invention.

  An embodiment of the present invention will be described with reference to FIG. FIG. 1 is a cross-sectional view and a top view showing an apparatus for assembling a sheet laminate according to the present invention (hereinafter referred to as “assembly apparatus”).

  As shown in FIGS. 1 (a) -1 and (a) -2, the assembling apparatus 20 includes a push plate 3 for pushing the sheet laminate 1, a support member 4 for supporting the push plate 3, and a guide 5 for positioning the sheet laminate. It is configured. In addition, pushing in means that the sheet member is pushed into the guide 5 in a direction toward the housing member 6 through the guide 5, that is, in a downward direction in FIG. Note that the pushing direction does not have to coincide with the gravity vector, and is determined by the positional relationship between the guide 5 and the housing member 6. In FIG. 1, the accommodation member 6 of the sheet laminate 1 is disposed below, and the sheet laminate 1 positioned by the guide 5 is aligned so as to be within a predetermined position of the accommodation member 6.

  The sheet laminate 1 includes a plurality of sheets having substantially the same shape cut into a predetermined shape, and is composed of, for example, 2 to 4 optical sheets. However, the number of sheets is not limited to this, and it is sufficient that the number of sheets is configured.

  The sheet which comprises the sheet | seat laminated body 1 will not be specifically limited if it is a sheet form, Optical sheets, such as a polarizing film, a lens sheet, a diffusion sheet, a prism sheet, PET film (polyethylene terephthalate film), a urethane film Polymer films such as these and paper can be used.

  The push plate 3 is a member for pushing the sheet laminate 1 downward, that is, in the direction of the gravity vector. The push plate 3 is supported by the support member 4. The support member 4 is preferably provided so as to be movable in the vertical direction and can freely control the vertical movement timing, the movement profile, the movement amount, and the like. As the support member 4 moves in the vertical direction, the push plate 3 supported by the support member 4 moves in synchronization. Although not shown, it is preferable that the push plate 3 is supported by the support member 4 via a spring. Thereby, when pushing down the sheet | seat laminated body 1 with the push board 3 and pushing in into the accommodating member 6, it can assemble by adding a desired pressure suitably. The contact surface of the pressing plate 3 with the sheet laminate 1 is preferably flat so that the posture of the sheet laminate 1 can be kept substantially parallel to the housing member 6, and local stress is applied to the sheet laminate 1. It is preferable that the corners have an R shape so as not to be added. Furthermore, it is preferable that the friction resistance with the sheet laminate 1 is small so that the sheet laminate 1 can easily move in a direction perpendicular to the direction of the gravity vector, and the friction between the sheet materials constituting the sheet laminate 1 It is preferably smaller than the resistance. As a means for reducing the frictional resistance of the contact surface of the pressing plate 3 with the sheet laminate 1, for example, use of a tetrafluoroethylene resin represented by Teflon (registered trademark) or non-adhesive treatment with a silicone-based treatment agent is performed. There is a way. The area of the contact surface of the push plate 3 with the sheet laminate 1 is smaller than the area of the sheet laminate 1 and smaller than the opening of the guide 5 on the side where the sheet laminate 1 is discharged. Thereby, since the push plate 3 can be lowered until it passes through the guide 5 and contacts the housing member 6, the sheet laminate 1 can be reliably assembled to the housing member 6.

  The guide 5 is a member for positioning the sheet laminate 1 at a predetermined position while the sheet laminate 1 passes through the guide 5 in order to assemble the sheet laminate 1 at a predetermined position of the housing member 6. The predetermined position mentioned here is a position where the central axis of the cross section of the opening of the guide coincides with the central axis of each sheet constituting the sheet laminate. Although not shown, the guide 5 is fixed at a position determined by some support member. The position of the guide 5 is configured to be adjustable in a suitable direction with respect to the position of the housing member 6 disposed on the lower side. The length of at least one of the sides forming the outer shape of the opening of the guide 5 on the side where the sheet laminate 1 is introduced is equal to or less than the length of at least one of the sides forming the outer shape of the sheet laminate 1. Designed to. That is, the cross-sectional shape of the inner wall of the guide 5 is tapered from the side where the sheet laminate 1 is introduced to the side where it is discharged, and the opening area of the guide 5 is designed to be gradually reduced. The sheet laminate 1 is pushed down by the push plate 3 so as to pass through the guide 5 while maintaining a posture substantially parallel to the housing member 6, and as the opening area of the guide 5 is reduced, the sheet laminate 1. The end surfaces are aligned, positioning with respect to the housing member 6 is performed, and the assembly is completed.

  After the sheet laminate 1 is assembled to the housing member 6, when it is necessary to transport the sheet laminate 1 to the next process because it is necessary to fix the sheet laminate 1, the sheet laminate 1 is moved from a predetermined position of the housing member 6. It is preferable to add a pressing member for keeping the sheet laminate 1 in a predetermined position of the housing member 6 so as not to be displaced. After the sheet laminate 1 is pushed down by the push plate 3 and reaches the accommodation member 6, the pressing member is prevented from deviating from the predetermined position of the accommodation member 6 before the push plate 3 is lifted. It is preferable that the pressing operation is completed.

  Hereinafter, the assembly apparatus of the sheet laminated body of the present invention will be described including the operation of the assembly apparatus 20.

  FIG. 1 is a cross-sectional view and a top view for explaining the assembling operation of the assembling apparatus 20 of the present invention. As shown to (a) -1 and (a) -2 in the figure, the sheet laminated body 1 is maintained in a posture substantially parallel to the accommodating member 6, and the sheet laminated body 1 is composed of the push plate 3 and the guide 5. It is conveyed during When projected from the upper surface of the assembly apparatus 20 in this state, each is aligned so that the outer shape of the sheet laminate 1 is within the opening of the guide 5 on the side where the sheet laminate 1 is introduced. In order to stabilize the posture of the sheet laminated body 1, the opening on the side where the sheet laminated body 1 is introduced is preferably as small as possible. However, the positional variation of the sheet laminated body 1 conveyed from the previous step, the conveying means In consideration of the positional accuracy, it is preferable to set as small as possible within a suitable range.

  Next, as shown in (b) in the figure, the support member 4 is lowered, whereby the sheet laminate 1 is pushed down by the push plate 3. Since the opening area of the guide 5 gradually decreases from the side where the sheet laminate 1 is introduced to the side where the sheet laminate 1 is discharged, the sheet laminate 1 is guided by the guide 5 in the process of passing through the guide 5. The regulatory power received by will gradually increase. Further, when the sheet laminate 1 is pushed down by the push plate 3, the sheet laminate 1 receives a regulating force by the guide 5, so that the sheet laminate 1 is in contact with the push plate 3 without free falling. Accordingly, the sheet laminate 1 maintains the posture so as to follow the shape of the contact surface of the push plate 3 with the sheet laminate 1. Therefore, the contact surface of the push plate 3 with the sheet laminate 1 is made flat and substantially the same as the housing member 6. By making it parallel, the attitude | position of the sheet | seat laminated body 1 can be kept substantially parallel to the accommodating member 6. FIG.

  Next, as shown in (c) in the figure, when the support member 4 is further lowered, the opening area of the guide 5 becomes smaller than that of the sheet laminate 1, and the sheet laminate 1 is deformed into an arcuate shape. In order to smoothly deform the sheet laminate 1 into an arcuate shape, the opening on the side of the guide 5 that discharges the sheet laminate 1 has a distance between two opposite sides that is smaller than a distance between two sides of the sheet laminate 1. As shown in FIG. 1C, this portion is deformed into an arc shape, and the distance between the two opposite sides is preferably the same as the distance between the other two sides of the sheet laminate 1. As shown in FIG. 1C, when the sheet laminate 1 is pushed down toward the housing member 6 by the push plate 3, by one of the two opposing sides forming the opening of the guide, Two sets of two opposing sides forming the outer shape of the sheet laminate 1 are restrained by the guide 5 and deformed into an arcuate shape. The distance between the other two opposite sides is the same as the distance between the other two sides of the sheet laminate 1. Another pair of opposite sides forming the opening of the guide is the other of the sheet laminate 1. It indicates that the distance between the two sides is the same to the extent that the effect of not constraining a pair of two opposing sides is not impaired.

  Next, as shown in (d) in the figure, the support member 4 is further lowered, and the sheet laminate 1 and the accommodation member 6 come into contact with each other. Between the guide 5 and the accommodating member 6, a gap larger than the total thickness of the sheet laminate 1 is provided. The gap is set so that the portion of the sheet laminate 1 that is not pressed by the push plate 3 passes through the guide 5 when the sheet laminate 1 is pushed down by the push plate 3 and comes into contact with the housing member 6. Is done.

  Thus, the assembly of the sheet laminate is completed.

  The present invention is particularly effective when used continuously after the sheet cutting step. FIG. 4 is a schematic view showing a laminated body assembly apparatus for storing an optical sheet laminated body in a housing member using the present invention after transporting the optical sheet laminated body. That is, in this apparatus, first, the optical sheet 12 is punched out by the punching means 24 to a predetermined size in a state where the original fabrics of the optical sheets 12 are overlapped. After passing through the punching means 24, the optical sheet laminate 21 is sandwiched from both sides by using the gripping hand 22 from the sheet laminate take-out portion 19. Thereafter, the gripping hand 22 is moved by the moving mechanism 23 to move the sheet stack 1 to above the accommodating member 6. By releasing the gripping of the gripping hand 22 in this state, the sheet stack 1 is carried into the guide 5 while maintaining the relative position of the stacked optical sheets forming the sheet stack 1. Thereafter, the guide 5 and the accommodating member 6 are transported by a transport mechanism (not shown) or the conveyor 28 and transported to the lower part of the push plate 3. Finally, the sheet laminate 1 is pushed into the housing member 6 using the push plate 3. As described above, by using the apparatus of the present invention after the sheet cutting step, without causing relative positional deviation between the respective sheets constituting the sheet laminate 1, and without contaminating the sheet with contamination, The sheet laminate 1 can be assembled.

  In addition, this invention is not limited to each embodiment mentioned above, For example, the guide 5, so that the sheet laminated body 1 can be accommodated in the accommodating member 6 through the guide 5 by pushing the sheet laminated body 1 in the horizontal direction. It is good also as a structure which arrange | positions the accommodating member 6. FIG. In this case, since the sheet laminate 1 is pushed into the guide 5 in a direction orthogonal to the gravity vector, both ends of the sheet laminate 1 are held by, for example, gripping portions (not shown) so that the sheet laminate 1 does not fall at that time. In the above, after being pushed into the guide 5, it may be pushed into the housing member 6 through the guide 5 as it is. Specifically, in a state where both ends of the sheet laminate 1 are held by the gripping portions, the seed laminate 1 is pushed into the opening opposite to the direction in which the housing member 6 of the guide 5 is placed using the push plate 3, and the sheet When a part of the laminated body 1 enters the guide 5 and there is no risk of the sheet laminated body 1 dropping, the pushing by the push plate 3 is temporarily stopped, the holding by the holding part is released, and the holding part is removed. To do. Thereafter, the pushing by the push plate 3 is resumed, and the sheet laminate 1 is pushed into the housing member 6 as it is. By the method as described above, it is possible to solve the problem of dropping due to gravity when the sheet laminate 1 is pushed in the horizontal direction. In addition, the present invention can be variously modified within the scope of the claims of the sheet laminate 1, and the embodiments obtained by appropriately combining the technical means disclosed in the different embodiments are also described. It is included in the technical scope of the invention.

  Hereinafter, the result confirmed by experiment about the conditions which were able to assemble the sheet | seat laminated body 1 to the accommodating member 6 stably using the assembly apparatus 20 specifically shown in FIG. 1 is shown.

  As each sheet constituting the sheet laminate, a sheet in which one diffusion sheet (manufactured by Kimoto), two prism sheets (manufactured by Sumitomo 3M) and one sheet of diffusion sheet (manufactured by Tsujiden) were stacked in order from the top was used. Before each sheet was overlaid, the front and back surfaces were cleaned with an adhesive roller so that no foreign matter adhered. Each sheet was cut into substantially the same rectangle to have a width of 30 mm and a length of 39 mm. The thickness of each sheet is 0.050 mm for the diffusion sheet (made by Kimoto), 0.070 mm for the prism sheet (made by Sumitomo 3M), and 0.050 mm for the diffusion sheet (made by Tsujiden). 0.240 mm. The material of the pressing plate 3 is an ethylene tetrafluoride resin typified by Teflon (registered trademark), the contact surface with the sheet laminate is flat, and the sheet laminate has a rectangular shape with a width direction of 28 mm and a length direction of 30 mm. The corners were rounded with a radius of 2 mm. The opening area of the guide 5 on the side where the sheet laminate 1 is introduced was 30.38 mm in the width direction and 39.38 mm in the length direction of the sheet laminate. Moreover, the opening area of the side which discharge | releases the sheet | seat laminated body of a guide was 29.80 mm of the width direction of the sheet laminated body, and 38.80 mm of the length direction. The height of the guide was 15 mm. The gap between the guide and the housing member was 0.3 mm. A recess is provided at a position where the sheet laminate of the housing member is assembled so that the sheet laminate can easily be accommodated. The dents were 30.32 mm in the width direction of the sheet laminate, 39.39 mm in the length direction, and 0.48 mm in depth.

  As a result of trying the assembly of the sheet laminate 200 times under the above condition setting, the assembly success rate was 100%, and there was no damage that caused trouble in the total number.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a sheet material that bends and deforms relatively easily, and can preferably perform assembly of a sheet laminate, particularly a laminate of optical sheets that are stacked without using a joining region. In particular, it can be used in the field of production of planar light emitting devices and liquid crystal display devices in which optical sheets are used.

DESCRIPTION OF SYMBOLS 1 Sheet laminated body 3 Push board 4 Support member 5 Guide 6 Storage member 20 Assembly apparatus

Claims (4)

An accommodating member disposed on an extension line in a direction in which the sheet laminated body is discharged, including a push plate that pushes in the stacked sheet laminated body without passing through the joining region ; and a guide that guides the sheet laminated body to a predetermined position. , An apparatus for assembling the sheet laminate for pushing the sheet laminate,
The length of at least one of the sides forming the opening on the side of discharging the sheet laminate of the guide corresponds to at least one of the sides forming the outer shape of the sheet laminate. Less than the length,
The housing member is disposed to face the opening of the guide,
An assembly apparatus for a sheet laminate, wherein there is a gap between the guide and the accommodating member.   The apparatus for assembling a sheet laminate according to claim 1, wherein a gap between the guide and the housing member is larger than a total thickness of the sheet laminate.   3. The sheet laminate according to claim 2, wherein an area of a contact surface of the push plate with the sheet laminate is smaller than an area of an opening of the guide on a side where the sheet laminate is discharged. Assembly device. In the opening of the guide on the side where the sheet laminate is discharged, the distance between the two opposing sides is smaller than the distance between the two sides forming the outer shape of the sheet laminate, and the distance between the two opposite sides is the sheet. The apparatus for assembling a sheet laminate according to any one of claims 1 to 3, wherein the distance between the other two sides forming the outer shape of the laminate is the same.

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