CN112157180A - Sheet body folding equipment capable of stacking feeding materials - Google Patents

Abstract

The invention relates to sheet folding equipment capable of stacking and feeding materials, which comprises a rack, a folding mechanism, a conveying device and a stacking and feeding device, wherein the stacking and feeding device comprises a stacking seat arranged on the rack, a stacking lifting cylinder is arranged on the stacking seat, the stacking lifting cylinder is connected with a stacking lifting seat, a stacking supporting block is arranged on the stacking lifting seat, a stacking box is arranged on the stacking supporting block, a stacking clamping block is matched with the upper part of the stacking box, the stacking clamping block is connected with the stacking clamping cylinder on the stacking lifting seat, at least three layers of stacking grooves are arranged in the stacking box along the vertical direction, one side, close to the conveying device, of the inner wall of each stacking groove is in contact fit with a product sheet group, and a pushing structure capable of pushing the product sheet group highly matched with the conveying device to the conveying device is further arranged on the rack; the conveying device can be sequentially sent into the product piece groups which are placed layer by layer in the stacking box, the position of the product piece groups can be accurate when the product piece groups are sent into the conveying device, and the material discharging efficiency is improved.

Description

Sheet body folding equipment capable of stacking feeding materials

Technical Field

The invention relates to the field of craftsman equipment, in particular to sheet folding equipment capable of stacking and feeding.

Background

As shown in fig. 6, the product sheet group 8 is a product sheet group 8 with conveying holes on two sides, and is formed by a plurality of sheet bodies which are not folded in an array manner, as shown in fig. 7, the bending flow chart of the sheet bodies is that a connecting part of a first sheet body 31 and a third sheet body 33 of the product is required to be bent firstly, and the bending amplitudes of two sides of the bent first sheet body are different, so that the first sheet body is an oblique sheet, then the second sheet body 32 is bent upwards to form a certain angle with a sheet body main body, and then the third sheet body 33 is bent downwards to form a certain angle with the sheet body main body; the sheet processing of this kind of current, mostly need the manual work put into conveyor with the sheet body on, conveyor generally all makes the transport that realizes product piece group through the carousel side set up with the delivery hole complex on the product piece group carry the post, so can ensure to enter into the product piece group position accuracy of mechanism of bending, still need adjust the position that product piece group when artifical blowing, lead to whole blowing efficiency not high.

Disclosure of Invention

The invention aims to provide sheet folding equipment capable of stacking and feeding materials, which can sequentially feed product sheet groups arranged layer by layer in a stacking box into a conveying device by matching a stacking structure with a pushing device, can ensure the position accuracy of the product sheet groups during feeding, and greatly improves the feeding efficiency.

In order to achieve the above purpose, the invention adopts the technical scheme that: a sheet folding device capable of stacking feeding materials comprises a rack, wherein a folding mechanism is arranged on the rack, the folding mechanism is matched with a conveying device, the conveying device is matched with a stacking feeding device, the stacking feeding device comprises a stacking seat arranged on the rack, a stacking lifting cylinder is arranged on the stacking seat, the stacking lifting cylinder is connected with a stacking lifting seat, a stacking supporting block is arranged on the stacking lifting seat, a stacking box is placed on the stacking supporting block, a stacking clamping block is matched with the upper portion of the stacking box, the stacking clamping block is connected with a stacking clamping cylinder on the stacking lifting seat, at least three layers of stacking grooves are arranged in the stacking box along the vertical direction, one side, close to the conveying device, of the inner wall of each stacking groove is in contact fit with a product sheet group, and other portions of the inner wall of each stacking groove are in clearance fit with the product sheet group, the rack is also provided with a pushing structure which can push the product sheet group highly matched with the conveying device to the conveying device.

Preferably, the propelling movement structure including setting up propelling movement mount pad and the propelling movement guide holder in the frame, the propelling movement guide holder on install the propelling movement movable rod that can move about in fact, the propelling movement mount pad on be provided with the propelling movement motor, the propelling movement motor be connected with the propelling movement and change the piece, the propelling movement change the piece on seted up the propelling movement groove, the propelling movement movable rod on be provided with propelling movement groove complex propelling movement insert the post, the other end of propelling movement movable rod be connected with the propelling movement sliding seat, the propelling movement sliding seat on be provided with can pass the propelling movement guide holder and with product piece group complex propelling movement piece.

Preferably, the folding mechanism comprises a folding supporting device and a feeding device which are arranged on the rack, the folding supporting device comprises a folding supporting groove seat arranged on the rack, a first folding module, a second folding module and a third folding module are sequentially arranged at the center of the folding supporting groove seat, a feeding matching groove matched with a hole site of a product sheet group is further formed in the folding supporting groove seat, the feeding device comprises a feeding movable device and a feeding matching device, the feeding movable device can lift and move left and right, the feeding matching device comprises a feeding mounting block arranged on the feeding movable device, and a feeding pin which can vertically move and can be sleeved with a conveying hole in the product sheet group and can be inserted into the feeding matching groove is arranged on the feeding mounting block.

Preferably, the first folding module comprises first folding blocks distributed in a folding support groove seat center array and a first folding pressing block capable of ascending and descending, the first folding blocks comprise two step blocks with different step heights, and the first folding pressing block comprises a first pressing long block and a first pressing short block which are matched with the two step blocks respectively.

Preferably, the second bending module comprises a second bending block which is distributed in a bending supporting groove seat center array mode and can lift, the upper portion of the second bending block is an inclined plane, a second bending pressing block which can lift is further arranged above the second bending block, and a second bending chute matched with the inclined plane of the upper portion of the second bending block is formed in the lower portion of the second bending pressing block.

Preferably, the third folding module comprises third folding blocks distributed in a folding support groove seat center array mode, the third folding blocks are step blocks, and third pressing blocks capable of being lifted and matched with the step parts of the third folding blocks are arranged above the third folding blocks.

Preferably, the first pressing long block, the first pressing short block and the third pressing block are arranged below the folding lower pressing block, the second pressing chute is also arranged on the lower surface of the folding lower pressing block, the folding lower pressing block is arranged under the folding lower pressing seat, and the folding lower pressing seat is connected with a folding lower pressing cylinder arranged on the frame.

Preferably, the fold-shaped supporting groove seat is provided with a downward pressing guide rod with a vertical trend, the downward pressing guide rod penetrates through the fold-shaped downward pressing seat, and a downward pressing limiting sleeve matched with the downward pressing guide rod in a sleeved mode is fixedly installed below the fold-shaped downward pressing seat.

Preferably, the lower surface of the folded lower pressing block is provided with a buffer hole, a buffer spring is arranged in the buffer hole, a pressing block matched with the product sheet group is connected below the buffer spring, and the pressing block, the first pressing block, the second pressing chute and the third pressing block are distributed in a staggered manner.

Preferably, the feeding movable device comprises a feeding cylinder arranged on the frame, the feeding cylinder is connected with a feeding movable block, the feeding movable block is connected with a feeding movable seat, the feeding movable seat is provided with a feeding lifting cylinder, the feeding lifting cylinder is connected with a feeding lifting seat, the frame is further provided with a feeding limiting seat, the feeding limiting seat is provided with a feeding limiting stopper matched with two side faces of the feeding movable block, the feeding movable seat is provided with a feeding lifting limiting rod, and the feeding lifting limiting rod is provided with a feeding limiting column in penetrating fit with the feeding lifting seat.

Drawings

FIG. 1 is a schematic perspective view of a sheet folding apparatus capable of stacking feed materials;

FIG. 2 is a partial perspective view of the stacking feed device;

FIG. 3 is a cross-sectional view of the stacking bin;

FIG. 4 is a perspective view of a pushing structure;

FIG. 5 is a perspective view of a folding mechanism for the sheet;

FIG. 6 is a perspective view of a product piece group;

FIG. 7 is a schematic view of the sheet folding process;

FIG. 8 is a perspective view of the fold support and feed assembly;

FIG. 9 is an enlarged view of a portion of A in FIG. 8;

fig. 10 is a perspective view of a first dog-leg;

fig. 11 is a perspective view of a second fold block;

fig. 12 is a perspective view of a third fold block;

FIG. 13 is a schematic structural view of a fold-shaped lower pressing block.

The text labels shown in the figures are represented as: 1. a frame; 2. a fold-shaped support device; 3. a feed device; 4. a folded push-down cylinder; 5. a folded pressing base; 6. pressing down the guide rod; 7. pressing the limiting sleeve downwards; 8. a product piece group; 11. a folded support slot seat; 12. a first fold module; 13. a second zigzag module; 14. a third fold module; 15. a feed cylinder; 16. feeding the movable block; 17. a feeding limit seat; 18. a feed stop; 19. a feeding movable seat; 20. feeding a lifting cylinder; 21. a feed lifting seat; 22. feeding a lifting limiting rod; 23. a feed dispenser; 24. feeding into a mating groove; 25. feeding the mounting block; 26. feeding a contact pin; 31. a first sheet body; 32. a second sheet body; 33. a third sheet body; 41. a folded lower pressing block; 42. a buffer spring; 43. a compression block; 44. a first press-forming long block; 45. a first press-forming short block; 46. a second profiling chute; 47. a third press block; 51. a folding mechanism; 52. a conveying device; 53. stacking a feeding device; 61. a stacking base; 62. a stacking lifting cylinder; 63. stacking the lifting seat; 64. a stacking and clamping cylinder; 65. stacking the supporting blocks; 66. stacking the material clamping blocks; 67. stacking boxes; 68. a stacking groove; 71. pushing the mounting seat; 72. pushing the guide seat; 73. a push motor; 74. pushing the rotary block; 75. a push tank; 76. pushing the movable rod; 77. pushing the movable seat; 78. and pushing the block.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1-4 and 6-7, the specific structure of the present invention is: a sheet folding device capable of stacking feeding materials comprises a rack 1, wherein a folding mechanism 51 is arranged on the rack 1, a conveying device 52 is matched with the folding mechanism 51, a stacking feeding device 53 is matched with the conveying device 52, the stacking feeding device 53 comprises a stacking seat 61 arranged on the rack 1, a stacking lifting cylinder 62 is arranged on the stacking seat 61, the stacking lifting cylinder 62 is connected with a stacking lifting seat 63, a stacking supporting block 65 is arranged on the stacking lifting seat 63, a stacking box 67 is placed on the stacking supporting block 65, a stacking clamping block 66 is matched with the upper portion of the stacking box 67, the stacking clamping block 66 is connected with a stacking clamping cylinder 64 on the stacking lifting seat 63, at least three layers of stacking grooves 68 are arranged in the stacking box 67 along the vertical direction, and one side, close to the conveying device 52, of the inner wall of the stacking groove 68 is in contact fit with a product sheet group, the other parts are in clearance fit with the product sheet groups, and the rack 1 is also provided with a pushing structure which can push the product sheet groups 8 highly matched with the conveying device 52 to the conveying device.

When the device is used specifically, the stacking box 67 provided with multiple layers of product sheet groups 8 is placed on the stacking support block 65, the stacking material clamping cylinder 64 drives the stacking material clamping block 66 to descend to clamp the upper part of the stacking box 67, the stacking lifting cylinder 62 drives the stacking lifting seat 63 to ascend and descend, so that the height of the lowermost product sheet group 8 is matched with the pushing structure, the product sheet group 8 is pushed into the conveying device 52 through the pushing structure, in the process, the product sheet group 8 is contacted and matched with the inner wall of the stacking groove 68 to perform position adjustment, so that the position accuracy of the product sheet group entering the conveying device 52 is ensured, the product sheet group is sent into the bending mechanism by the conveying device 52, the bending is completed through the bending mechanism, the product sheet groups placed layer by layer in the stacking box can be sequentially sent into the conveying device, and the position accuracy of the product sheet group can be ensured when the product sheet group is sent, greatly improving the discharging efficiency.

As shown in fig. 4, the pushing structure includes a pushing mounting seat 71 and a pushing guide seat 72 which are arranged on the frame 1, the pushing guide seat 72 is provided with a pushing movable rod 76 which can move in the pushing guide seat, the pushing mounting seat 71 is provided with a pushing motor 73, the pushing motor 73 is connected with a pushing rotating block 74, the pushing rotating block 74 is provided with a pushing groove 75, the pushing movable rod 76 is provided with a pushing inserting column matched with the pushing groove 75, the other end of the pushing movable rod 76 is connected with a pushing movable seat 77, and the pushing movable seat 77 is provided with a pushing block 78 which can pass through the pushing guide seat 72 and is matched with the product sheet group 8.

The specific operation of the pushing structure is as follows, the pushing rotating block 74 is driven to rotate by the pushing motor 73, the pushing movable rod 76 is driven to move through the matching relation between the pushing groove 75 and the pushing inserting column, the pushing movable seat 77 is further driven to move, the pushing block 78 is made to move and part of the product piece group 8 is pushed out from the stacking box 67 to enter the conveying device 52, pushing is carried out by adopting the structure, the moving amplitude of the pushing movable rod 76 can be limited through the pushing groove 75, the pushing distance of the pushing block 78 is further limited, the product piece groups pushed to the conveying device 52 are ensured to be all in the same position, and the product piece groups can be accurately butted and conveyed by the conveying device.

As shown in fig. 5-9, the folding mechanism comprises a folding supporting device 2 and a feeding device 3 arranged on a frame 1, the folding supporting device 2 comprises a folding supporting groove seat 11 arranged on the frame 1, a first folding module 12, a second folding module 13 and a third folding module 14 are sequentially arranged at the center of the folding supporting groove seat 11, and the folded support slot seat 11 is also provided with a feeding matching slot 24 matched with the hole site of the product sheet group 8, the feeding device comprises a feeding movable device and a feeding matching device 23 which can lift and move left and right, the feed dispenser 23 comprises a feed mounting block 25 provided on the feed runner, the feed mounting block 25 is provided with a feed pin 26 which is vertically oriented to engage the feed aperture sleeve of the product sheet package 8 and to be inserted into the feed engagement slot 24.

Specifically, the conveying device 52 conveys the product sheet group 8 to the fold-shaped supporting groove seat 11, then the feeding matching device 23 is driven by the feeding moving device to move, the feeding pin 26 penetrates through the conveying hole of the product sheet group 8 and is inserted into the feeding matching groove 24, then the feeding moving device drives the product sheet group 8 to feed, so that the sheet region to be processed of the first sheet is located at the first fold-shaped module 12, the first fold-shaped module finishes the folding of the first sheet 31, then the second fold-shaped module 13 continues to feed, the second fold-shaped module 13 finishes the folding of the second sheet 32 to the region to be processed of the first sheet, meanwhile, the first fold-shaped module 12 folds the first sheet 31 to the sheet region to be processed of the second sheet, then the third fold-shaped module 14 continues to feed, and the third fold-shaped module folds the third sheet 33 to the sheet region to be processed of the first sheet, the first folding module 12 and the second folding module can be the same and roll over the shape operation, so realized the synchronous book of the first lamellar body of lamellar body, second lamellar body and the third lamellar body in different film areas and appear, can carry out continuous cubic book shape to the lamellar body in same film area simultaneously, compare current lamellar body and singly cut down, then the operation of bending respectively, very big improvement machining efficiency.

As shown in fig. 8-13, the first folding module 12 includes first folding blocks distributed in the central array of the folding support slot seat 11 and a first folding pressing block capable of ascending and descending, the first folding blocks include two step blocks with different step heights, and the first folding pressing block includes a first pressing long block 44 and a first pressing short block 45 respectively matched with the two step blocks.

The second bending module 13 comprises a second bending block which is distributed in a central array of the bending support groove seat 11 and can be lifted, the upper part of the second bending block is an inclined plane, a second bending pressing block which can be lifted is further arranged above the second bending block, and a second bending chute 46 matched with the inclined plane on the upper part of the second bending pressing block is formed in the lower part of the second bending pressing block.

The third folded module 14 comprises third folded blocks distributed in the center array of the folded support groove seat 11, the third folded blocks are stepped blocks, and third pressing blocks 47 which can be lifted and matched with the stepped parts of the third folded blocks are arranged above the third folded blocks.

The first pressing long block 44, the first pressing short block 45 and the third pressing block 47 are all arranged below the folding lower pressing block 41, the second pressing chute 46 is also arranged on the lower surface of the folding lower pressing block 41, the folding lower pressing block 41 is arranged under the folding lower pressing seat 5, and the folding lower pressing seat 5 is connected with the folding lower pressing cylinder 4 arranged on the rack 1.

The first long pressing block 44, the first short pressing block 45 and the third pressing block 47 are all arranged below the folded pressing block 41, and the second inclined pressing slot 46 is also arranged on the lower surface of the folded pressing block 41, so that the folded pressing block 41 can be driven to descend by the folded pressing cylinder 4, and further synchronous driving of the three folded modules can be realized, the operation is as follows, when the product sheet group 8 is conveyed to the three folded modules, the folded pressing seat 5 is driven to descend by the folded pressing cylinder 4, and further the folded pressing block 41 is driven to descend, so that the folded pressing block 41 presses the sheet body, and simultaneously the first long pressing block 44 and the first short pressing block 45 are matched with the first folded block (the height h1 of two steps is less than h 2) to fold the first sheet body 31 on the first folded block, wherein the first long pressing block 44 is matched with the step with the height of h2, and the first short pressing block 45 is matched with the step with the height of h1, the third pressing block 47 is matched with the step of the third folding block to fold the third sheet body 33 on the sheet body at the third folding module, then the second folding block rises to jack the second sheet body into the second pressing chute 46 to complete the folding of the second sheet body, so that the matching of the feeding pin 26 and the plug bush of the sheet body conveying hole is matched, the three-time folding precision can be ensured to be completely consistent, and the condition that the integral error of the sheet body is large due to the errors of different amplitudes of the three-time folding of the sheet body after the folding can be ensured to appear.

As shown in fig. 5, a downward pressing guide rod 6 with a vertical trend is arranged on the folded support groove seat 11, the downward pressing guide rod 6 penetrates through the folded downward pressing seat 5, and a downward pressing limiting sleeve 7 which is in sleeve fit with the downward pressing guide rod 6 is fixedly arranged below the folded downward pressing seat 5.

The design of the pressing guide rod 6 can ensure that the folded pressing block 5 cannot deviate in the lifting process, and the maximum descending height of the folded pressing block 5 can be limited by matching with the design of the pressing limiting sleeve 7, so that the product piece group is prevented from being crushed.

As shown in fig. 13, a buffer hole is formed in the lower surface of the folded lower pressing block 41, a buffer spring 42 is arranged in the buffer hole, a pressing block 43 matched with the product sheet group 8 is connected below the buffer spring 42, and the pressing block 43 is distributed with the first pressing block, the second pressing chute 46 and the third pressing block 47 in a staggered manner.

The in-process that the briquetting descends under the book shape, compact heap 43 can contact product piece group 8 earlier, and then can compress tightly product piece group 8 on book shape support slot seat 11, along with the continuation of briquetting 41 pushes down under the book shape, and buffer spring 42 can be compressed, so can ensure that product piece group 8 can be compressed tightly, can not appear rocking in book shape in-process, can avoid appearing the condition that product piece group is crushed (is pressed absolutely) simultaneously again.

As shown in fig. 8-9, the feeding movable device includes a feeding cylinder 15 disposed on the frame 1, the feeding cylinder 15 is connected to a feeding movable block 16, the feeding movable block 16 is connected to a feeding movable seat 19, a feeding lifting cylinder 20 is disposed on the feeding movable seat 19, the feeding lifting cylinder 20 is connected to a feeding lifting seat 21, the frame 1 is further provided with a feeding limiting seat 17, the feeding limiting seat 17 is provided with a feeding limiting stopper 18 engaged with two side surfaces of the feeding movable block 16, the feeding movable seat 19 is provided with a feeding lifting limiting rod 22, and the feeding lifting limiting rod 22 is provided with a feeding limiting column engaged with the feeding lifting seat 21 in a penetrating manner.

The feeding movable device is characterized in that a feeding cylinder 15 drives a feeding movable block 16 to move so as to drive a feeding movable seat 19 to feed, a feeding lifting cylinder 20 drives a feeding lifting seat 21 to lift so as to drive a feeding matching device to realize feeding and lifting, in the specific feeding process, the feeding cylinder 15 drives the feeding movable block 16 to move so that the feeding movable block 16 is matched with a feeding limiting stopper at a feeding starting end to realize initial position determination, after the feeding matching device is matched with a product group piece, the feeding cylinder 15 drives the feeding movable block 16 to move so that the feeding movable block 16 is matched with a feeding limiting stopper 18 at a feeding tail end, thus the fixed-distance conveying of the product group piece 8 is realized, and when a feeding contact pin 26 is matched with a conveying hole of the product group piece 8 in a sleeved mode, the feeding lifting cylinder 20 drives the feeding lifting seat 21 to continuously descend, and then make the feed lift seat 21 wear to set up and feed the spacing post and is withstood by the feed spacing pole 22, so can guarantee to feed the installation piece and push down the product piece group, realize accurate stable fixed distance and feed.

When the intelligent control device is used specifically, a control system can be equipped for controlling the cooperative work of all the power parts, and the integral operation can be realized through the control buttons of all the power parts.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principle and embodiments of the present invention have been described herein by way of specific examples, which are provided only to help understand the method and the core idea of the present invention, and the above is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can also be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims (10)

1. The utility model provides a can stack piece body book shape equipment of feeding, includes frame (1), frame (1) on be provided with book shape mechanism (51), book shape mechanism (51) cooperation have conveyor (52), its characterized in that, conveyor (52) cooperation have and stack feed arrangement (53), stack feed arrangement (53) including setting up stack seat (61) on frame (1), stack seat (61) on be provided with and stack lift cylinder (62), stack lift cylinder (62) be connected with and stack lift seat (63), stack lift seat (63) on be provided with and stack supporting shoe (65), stack supporting shoe (65) on place and stack case (67), and the upper portion cooperation of stacking case (67) has and stacks clamp piece (66), stack clamp piece (66) and stack clamp cylinder (64) on stacking lift seat (63) and be connected, stack inside along vertical direction of case (67) and be provided with and be no less than three-layer and stack groove (68), and stack one side that groove (68) inner wall is close to conveyor (52) and organize for the contact cooperation with the product piece, other positions and product piece are clearance fit, frame (1) on still be provided with and to be able to with conveyor (52) highly-matched product piece group (8) propelling movement to conveyor's propelling movement structure.

2. A chip folding apparatus capable of stacking charges according to claim 1, the pushing structure comprises a pushing mounting seat (71) and a pushing guide seat (72) which are arranged on the frame (1), a pushing movable rod (76) which can move on the pushing guide seat (72) is arranged on the pushing guide seat, a pushing motor (73) is arranged on the pushing mounting seat (71), the pushing motor (73) is connected with a pushing rotating block (74), a pushing groove (75) is arranged on the pushing rotating block (74), a pushing inserting column matched with the pushing groove (75) is arranged on the pushing movable rod (76), the other end of the pushing movable rod (76) is connected with a pushing movable seat (77), the pushing movable seat (77) is provided with a pushing block (78) which can penetrate through the pushing guide seat (72) and is matched with the product sheet group (8).

3. The sheet folding equipment capable of stacking and feeding materials according to claim 1, wherein the folding mechanism comprises a folding supporting device (2) and a feeding device (3) which are arranged on a rack (1), the folding supporting device (2) comprises a folding supporting groove seat (11) arranged on the rack (1), a first folding module (12), a second folding module (13) and a third folding module (14) are sequentially arranged at the center of the folding supporting groove seat (11), a feeding matching groove (24) matched with a hole site of a product sheet group (8) is further arranged on the folding supporting groove seat (11), the feeding device comprises a feeding movable device and a feeding matching device (23) which can move up and down and left and right, the feeding matching device (23) comprises a feeding mounting block (25) arranged on the feeding movable device, the feeding installation block (25) is provided with a feeding insertion pin (26) which is vertically matched with a conveying hole sleeve on the product sheet group (8) and can be inserted into the feeding matching groove (24).

4. A sheet folding apparatus capable of stacking a charge material according to claim 3, wherein the first folding module (12) comprises a first folding block and a first folding pressing block, the first folding block is distributed in a central array of the folding support groove seats (11), the first folding block comprises two step blocks with different step heights, and the first folding pressing block comprises a first pressing long block (44) and a first pressing short block (45) which are respectively matched with the two step blocks.

5. The sheet folding device capable of stacking feeding materials as claimed in claim 4, wherein the second folding module (13) comprises second folding blocks which are distributed in a central array of the folding support groove seats (11) and can be lifted, the upper portions of the second folding blocks are inclined planes, second folding pressing blocks which can be lifted are further arranged above the second folding blocks, and the lower portions of the second folding pressing blocks are provided with second pressing chutes (46) matched with the inclined planes of the upper portions of the second folding blocks.

6. The folding equipment for sheet bodies capable of stacking feeding materials as claimed in claim 5, wherein the third folding module (14) comprises third folding blocks distributed in a central array of the folding support groove seats (11), the third folding blocks are step blocks, and a third pressing block (47) capable of lifting and matching with the step part of the third folding blocks is arranged above the third folding blocks.

7. The sheet folding equipment capable of stacking feeding materials as claimed in claim 6, wherein the first pressing long block (44), the first pressing short block (45) and the third pressing block (47) are arranged below the folding lower pressing block (41), the second pressing chute (46) is also arranged on the lower surface of the folding lower pressing block (41), the folding lower pressing block (41) is arranged under the folding lower pressing seat (5), and the folding lower pressing seat (5) is connected with the folding lower pressing cylinder (4) arranged on the rack (1).

8. The sheet folding device capable of stacking and feeding materials as claimed in claim 7, wherein a vertically-oriented downward pressing guide rod (6) is arranged on the folding support groove seat (11), the downward pressing guide rod (6) penetrates through the folding downward pressing seat (5), and a downward pressing limiting sleeve (7) which is in sleeve fit with the downward pressing guide rod (6) is fixedly arranged below the folding downward pressing seat (5).

9. The sheet folding device capable of stacking and feeding materials as claimed in claim 7, wherein a buffering hole is formed in the lower surface of the folding lower pressing block (41), a buffering spring (42) is arranged in the buffering hole, a pressing block (43) matched with the product sheet group (8) is connected below the buffering spring (42), and the pressing block (43) is distributed in a staggered mode with the first pressing block, the second pressing chute (46) and the third pressing block (47).

10. A chip folding apparatus capable of stacking charges according to claim 3, the feeding movable device comprises a feeding cylinder (15) arranged on the frame (1), the feeding cylinder (15) is connected with a feeding movable block (16), the feeding movable block (16) is connected with a feeding movable seat (19), a feeding lifting cylinder (20) is arranged on the feeding movable seat (19), the feeding lifting cylinder (20) is connected with a feeding lifting seat (21), the frame (1) is also provided with a feeding limiting seat (17), the feeding limiting seat (17) is provided with a feeding limiting stopper (18) matched with two side surfaces of the feeding movable block (16), a feeding lifting limiting rod (22) is arranged on the feeding movable seat (19), the feeding lifting limiting rod (22) is provided with a feeding limiting column which is in penetrating fit with the feeding lifting seat (21).

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