Paper bag packaging pretreatment rolling transfer device

Abstract

The utility model discloses a rolling transmission device for packaging pretreatment of paper bag packaging. The rolling transmission device comprises a rolling clamping mechanism, a rolling driving mechanism and a rack, the rolling clamping mechanism is installed on the machine frame, is of a waterwheel-like structure and comprises a plurality of paper bag transferring clamping positions. The rolling driving mechanism is used for driving the rolling clamping mechanism to rotate; sorted paper bag stacking single bodies are clamped on the paper bag transferring clamping position, and the paper bag stacking single bodies are conveyed to the next procedure in a rolling mode through rotation of the rolling clamping mechanism. According to the paper bag conveying device, the stacked paper bags are automatically conveyed, it is guaranteed that each stack of paper bags are not loosened or dislocated in the conveying process, it is guaranteed that the paper bags are stacked in order, the labor cost is saved, the packaging efficiency is improved, meanwhile, the packaging quality is guaranteed, and good practical value is achieved.

Description

Technical Field

[0001] The utility model relates to a rolling transfer device for pre - treatment before paper bag packaging and packing. Background Art

[0002] With the in - depth development of the concept of sustainable development and the increasing enhancement of people's environmental protection awareness, paper packaging bags (hereinafter referred to as paper bags) are becoming more and more popular in the market, and their use in multiple fields has increased significantly, including the retail industry, food packaging, gift packaging, etc. Compared with plastic bags, paper bags have recyclability and biodegradability, and have less impact on the environment. And paper bags can be designed into various colors and patterns, which can adapt to different brands and products, and at the same time provide additional publicity opportunities for brands; in addition, paper bags are usually stronger than plastic bags and can carry more weight, and many regions have prohibited or restricted the use of disposable plastic products, so paper bags are good substitutes for plastic products.

[0003] When the paper bags are processed on a paper bag machine and then packed, the single - stack paper bags that have been sorted, stacked, and leveled by an indexing and stacking device need to be transferred to a paper bag stacking mechanism for stacking and then packing. If directly transported by a conveyor belt, it not only occupies a large amount of factory space, but also during the transfer process, the sorted paper bags will rebound and become fluffy, and the paper bags in the single - stack paper bags will be misaligned. During stacking and packing, they need to be sorted again, which affects the packing efficiency and packing quality.

[0004] Therefore, how to further improve the packing efficiency of paper bag packaging and ensure the neatness of the single - stack paper bags during the transfer process of paper bags is also an urgent problem to be solved in the paper bag packaging process. Content of the Utility Model

[0005] Aiming at the problems that the single - stack paper bags are prone to rebound and loosen during the transfer process, and the paper bags are misaligned, affecting the packing efficiency and packing quality, the utility model provides a rolling transfer device for pre - treatment before paper bag packaging and packing. By designing a rolling transfer mechanism to clamp and roll - transfer the sorted paper bags, the flatness of each stack of paper bags during the transfer process is ensured, and the packing efficiency and quality are further improved. The specific technical solutions are as follows:

[0006] A rolling transfer device for pre - treatment before paper bag packaging and packing includes a rolling clamping mechanism, a rolling driving mechanism, and a frame; the rolling clamping mechanism is installed on the frame, and it has a structure similar to a waterwheel, including a plurality of paper bag transfer and clamping positions; the rolling driving mechanism is used to drive the rolling clamping mechanism to rotate; the sorted single - stack paper bags are clamped at the paper bag transfer and clamping positions, and are rolled and transferred to the next process through the rotation of the rolling clamping mechanism.

[0007] The aforementioned rolling transfer device for pre-packaging of paper bags, the rolling clamping mechanism includes a rolling clamping body and a plurality of movable clamping plate assemblies; the rolling clamping body is composed of two parallel and symmetrically arranged main clamping plates and a plurality of fixed partitions, the fixed partition is located between the two main clamping plates, and is used to connect and fix the two main clamping plates to form a plurality of paper bag transfer clamping positions; the movable clamping plate assembly is arranged between the two main clamping plates, and cooperates with the fixed partition to clamp the paper bags into stacked units.

[0008] Preferably, in the aforementioned paper bag packaging pre-packaging rolling transfer device, the main clamping plate is in the form of a swastika-shaped windmill blade structure, which includes a centrally located shaft sleeve portion and four L-shaped support plate bodies; the support plate body includes a first support portion perpendicular to the central axis of the rolling clamping mechanism, and a second support portion perpendicular to the first support portion; the shaft sleeve portion and the four L-shaped support plate bodies are integrally formed.

[0009] Preferably, in the aforementioned paper bag packaging pre-packaging rolling transfer device, the fixed partition includes a connecting fixed partition located between the first support parts of the two main clamping plates, and a receiving fixed partition located between the second support parts of the two main clamping plates; the connecting fixed partition is located at the upper end of the first support part, and the lower part thereof is used for installing the movable clamping plate assembly; the plane where the receiving fixed partition is located is parallel to the central axis of the rolling clamping mechanism.

[0010] Preferably, in the aforementioned paper bag packaging pre-packaging rolling transfer device, the movable clamping plate assembly includes a movable clamping plate body and a movable clamping plate driver, the movable clamping plate body is arranged opposite and parallel to the receiving fixed partition between the second supporting parts of the two main clamping plates, and can move closer to or farther away from the receiving fixed partition under the action of the movable clamping plate driver, so as to clamp or loosen the paper bag stacking monomers.

[0011] Preferably, in the aforementioned paper bag packaging pre-packaging rolling transfer device, the movable clamping plate driver is a double-acting cylinder, which includes a cylinder body and a piston telescopic rod; the cylinder body is fixedly arranged on the inner side of the first supporting part of the two main clamping plates through a cylinder bracket; the movable clamping plate body is arranged at the front end of the piston telescopic rod, and is moved closer to or away from the fixed partition under the drive of the cylinder body.

[0012] Preferably, in the aforementioned paper bag packaging pre-packaging rolling transfer device, when the movable clamping plate body is driven to the retracted state by the piston telescopic rod, it can be embedded between the first supporting parts of the two main clamping plates and be flush with the fixed partition between the first supporting parts; when the movable clamping plate body is driven to the extended state by the piston telescopic rod, it can fit with the receiving fixed partition between the second supporting parts of the two main clamping plates to clamp the paper bag stacking units.

[0013] Preferably, in the aforementioned paper bag packaging pre-packaging rolling transfer device, the cylinder body drives the piston telescopic rod to reciprocate and telescope under the control of the combined control valve; the combined control valve is a pneumatic combined control valve, which includes eight control air heads and two control cams; the control air heads are respectively installed on the outer sides of the first support parts of the two main splints, and the control air head on one main splint is used to control the extension of the movable splint body and the fit of the receiving fixed partition between the second support parts of the two main splints to clamp the paper bag stacking monomers; the control air head on the other main splint is used to control the retraction of the movable splint body, which is embedded between the first support parts of the two main splints to release the paper bag stacking monomers; the control cams are installed on the frame, one of which is installed at the paper bag stacking monomer entry position, and the other is installed at the paper bag stacking monomer exit position; when the rolling clamping mechanism rotates, the control air head contacts the control cam, thereby controlling the cylinder body to drive the piston telescopic rod to move, and to clamp or release the paper bag stacking monomers at a fixed point.

[0014] Preferably, the aforementioned paper bag packaging pre-packaging rolling transfer device, the roller transfer device also includes a paper bag entry limit assembly, the paper bag entry limit assembly includes a left paper bag limit plate and a right paper bag limit plate fixedly mounted at the entry position of the paper bag stacking unit, and a paper bag entry baffle suspended above the paper bag entry bin through a baffle bracket; the left paper bag limit plate and the right paper bag limit plate form a paper bag entry channel; the paper bag entry baffle is inclined toward the inside of the paper bag entry channel, and can swing up and down around the baffle bracket, so as to press the paper bag stacking unit entering the bin.

[0015] Preferably, in the aforementioned paper bag packaging pre-packaging processing rolling transfer device, the rolling drive mechanism includes a bearing body passing through the shaft sleeve portion of the main clamping plate of the rolling clamping body and a driving motor, and the driving motor is connected to the bearing through a belt.

[0016] The beneficial effects of the utility model are:

[0017] 1) The utility model rolling transfer device can realize automatic transfer of stacked paper bags, and ensure that each stack of paper bags is not loose or misplaced during the transfer process, so as to ensure that the paper bags are neatly stacked, save labor costs, improve packaging efficiency, and ensure packaging quality.

[0018] 2) The rolling transfer device of the utility model is designed to be shaped like a waterwheel. Through the paper bag transfer bin and the clamping plate, the stacked paper bags are clamped, transferred and transported, shortening the lateral space required for the paper bag conveying path and reducing the factory space required for the paper bag packaging equipment. Most importantly, the number and position of the paper bag clamping positions of the rolling transfer device of the utility model are reasonably set to ensure that the orientation of the paper bags remains unchanged after the stacks are turned, ensuring smooth packaging.

[0019] 3) The rolling transfer device of the utility model opens and closes the clamping plate at a fixed point through a switch with a positioning design, ensuring the clamping and transfer of paper bags to subsequent processes, and the switch is turned on by touching a button at the paper bag clamping position of the roller itself, thereby realizing automatic clamping and loosening of the paper bag during the transfer process, improving the transfer efficiency, and having good practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of the rolling transfer device for paper bag packaging before packaging according to the utility model;

[0021] Figure 2 This is a schematic diagram of the rolling drive mechanism structure of the rolling transfer device for paper bag packaging before packaging according to the utility model;

[0022] Figure 3 This is a schematic diagram of the main plate structure of the rolling transfer device for paper bag packaging before packaging of the utility model;

[0023] Figure 4 This is a schematic diagram of the fixed partition structure of the rolling transfer device for pre-packaging of paper bag packaging according to the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the combined control valve of the rolling transfer device for pre-packaging of paper bag packaging of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the movable clamping plate assembly of the rolling transfer device for paper bag packaging before packaging according to the utility model;

[0026] Figure 7 This is a physical diagram of the use process of the rolling transfer device for pre-packaging of paper bag packaging according to the utility model.

[0027] In the figure: 1. rolling clamping mechanism; 2. rolling driving mechanism; 21. bearing body; 22. driving motor; 23. belt; 3. frame; 4. rolling clamping body; 5. moving clamping plate assembly; 51. moving clamping plate body; 52. moving clamping plate driver; 521. cylinder body; 522. piston telescopic rod; 523. cylinder bracket; 6. main clamping plate; 61. shaft sleeve part; 62. supporting plate body; 621. first supporting part; 622. second supporting part; 7. fixed partition; 71. connecting fixed partition; 72. receiving fixed partition; 8. combined control valve; 81. control air head; 82. control cam; 9. paper bag entering warehouse limit assembly; 91. left paper bag limit plate; 92. left paper bag limit plate; 93. baffle bracket; 94. paper bag entering warehouse baffle.

[0028] M, paper bag transfer clamping position; A, entry position; B, exit position; C, paper bag entry channel. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments and drawings to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiment is only one embodiment of the utility model, not all embodiments. Based on this embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The specific embodiments are as follows:

[0030] A rolling transfer device for paper bag packaging before packaging, such as Figures 1 to 7 As shown, it includes a rolling clamping mechanism 1, a rolling driving mechanism 2 and a frame 3; the rolling clamping mechanism 1 is installed on the frame 3, which is a waterwheel-like structure and includes a plurality of paper bag transfer clamping positions M; the rolling driving mechanism 2 is used to drive the rolling clamping mechanism 1 to rotate; the sorted paper bag stacking monomers are clamped on the paper bag transfer clamping position M, and are rolled and transferred to the next process through the rotation of the rolling clamping mechanism 1, so as to realize the automatic transfer of the stacked paper bags, and ensure that each stack of paper bags is not loose or misaligned during the transfer process, ensure that the paper bags are neatly stacked, save labor costs, improve packaging efficiency, and ensure the quality of packaging. The paper bag stacking monomers mentioned here are a certain number of paper bags stacked together in the same direction, and the number of paper bags contained in each batch of paper bag stacking monomers is consistent. The number of paper bags in each paper bag stacking monomer is determined according to the packaging requirements, and can be 25, 40 or 50.

[0031] The rolling transfer device for paper bag packaging and packaging pre-processing described in this embodiment, the rolling clamping mechanism 1 includes a rolling clamping body 4 and a plurality of movable clamping plate assemblies 5; the rolling clamping body 4 is composed of two parallel and symmetrically arranged main clamping plates 6 and a plurality of fixed partitions 7, the fixed partition 7 is located between the two main clamping plates 6, and is used to connect and fix the two main clamping plates 6 to form a plurality of paper bag transfer clamping positions M; the movable clamping plate assembly 5 is arranged between the two main clamping plates 6, and cooperates with the fixed partition 7 to clamp the paper bag stacking monomers. Further, the main clamping plate 6 is in the form of a swastika-shaped windmill blade structure, which includes a shaft sleeve portion 61 located in the center and four L-shaped support plate bodies 62; the support plate body 62 includes a first support portion 621 perpendicular to the central axis of the rolling clamping mechanism 1, and a second support portion 622 perpendicular to the first support portion 621; the shaft sleeve portion 61 and the four L-shaped support plate bodies 62 are integrally formed. The fixed partition 7 includes a connecting fixed partition 71 located between the first support parts 621 of the two main clamping plates 6, and a receiving fixed partition 72 located between the second support parts 622 of the two main clamping plates 6; the connecting fixed partition 71 is located at the upper end of the first support part 621, and its lower part is used to install the movable clamping plate assembly 5; the plane where the receiving fixed partition 72 is located is parallel to the central axis of the rolling clamping mechanism 1.

[0032] The paper bag packaging and packing pre-processing rolling transfer device described in this embodiment, the movable clamping plate assembly 5 includes a movable clamping plate body 51 and a movable clamping plate driver, the movable clamping plate body 51 is arranged opposite and parallel to the receiving and fixing partition 72 between the second supporting parts 622 of the two main clamping plates 6, and can approach or move away from the receiving and fixing partition 72 under the action of the movable clamping plate driver 52, and is used to clamp or loosen the paper bag stacking monomer. The movable clamping plate driver 52 is a double-acting cylinder, which includes a cylinder body 521 and a piston telescopic rod 522; the cylinder body 521 is fixedly arranged on the inner side of the first supporting parts 621 of the two main clamping plates 6 through a cylinder bracket 523; the movable clamping plate body 51 is arranged at the front end of the piston telescopic rod 522, and approaches or moves away from the receiving and fixing partition 72 under the drive of the cylinder body 521.

[0033] The rolling transfer device for pre-packaging of paper bags described in this embodiment, when the movable clamping plate body 51 is driven to a retracted state by the piston telescopic rod 522, can be embedded between the first support parts 621 of the two main clamping plates 6 and be flush with the fixed partition 7 between the first support parts 621; when the movable clamping plate body 51 is driven to an extended state by the piston telescopic rod 522, it can fit with the receiving fixed partition 72 between the second support parts 622 of the two main clamping plates 6 to clamp the paper bags into stacked units. The cylinder body 521 drives the piston telescopic rod 522 to reciprocate and telescope under the control of the combined control valve 8; the combined control valve 8 is a pneumatic combined control valve, which includes eight control air heads 81 and two control cams 82; the control air heads 81 are respectively installed on the outer sides of the first supporting parts 621 of the two main splints 6, wherein the control air head 81 on one main splint 6 is used to control the extension of the movable splint body 51 and the fit of the receiving fixed partition 72 between the second supporting parts 622 of the two main splints 6 to clamp the paper bag stacking monomers; the control air head 81 on the other main splint 6 The air head 81 is used to control the retraction of the movable clamp body 51, and is embedded between the first support parts 621 of the two main clamps 6 to release the paper bag stacking monomer; the control cam 82 is installed on the frame 3, one of the control cams 82 is installed at the paper bag stacking monomer entry position A, and the other control cam 82 is installed at the paper bag stacking monomer exit position B; when the rolling clamping mechanism 1 rotates, the control air head 81 contacts the control cam 82, thereby controlling the cylinder body 521 to drive the piston telescopic rod 522 to move, and fixed-point clamping or release the paper bag stacking monomer.

[0034] In addition, the paper bag packaging pre-packaging rolling transfer device described in this embodiment also includes a paper bag entry limit assembly 9, which includes a left paper bag limit plate 91 and a right paper bag limit plate 92 fixedly mounted at the paper bag stacking monomer entry position A, and a paper bag entry baffle 94 suspended above the paper bag entry bin through a baffle bracket 93; the left paper bag limit plate 91 and the right paper bag limit plate 92 form a paper bag entry channel C; the paper bag entry baffle 94 is inclined toward the inside of the paper bag entry channel C, and can swing up and down around the baffle bracket 93, so as to press the paper bag stacking monomer entering the bin.

[0035] The rolling transfer device for pre-packaging of paper bag packaging described in this embodiment, the rolling drive mechanism 2 includes a bearing body 21 passing through the shaft sleeve portion 61 of the main clamping plate 6 of the rolling clamping body 4 and a driving motor 22, and the driving motor 22 is connected to the bearing 21 through a belt 23.

[0036] The paper bag transfer process of the paper bag packaging and packaging pre-processing rolling transfer device described in this embodiment is as follows: the sorted paper bag stacking monomers (including 25-50 paper bags) are pushed by the push plate and, under the pressure of the paper bag inlet baffle 94, enter one of the paper bag transfer clamping positions M through the paper bag inlet channel C formed by the left paper bag limit plate 91 and the right paper bag limit plate 92 at the inlet position A; the paper bag stacking monomers first fall onto the movable clamping plate body 51, and as the rolling clamping mechanism 1 rotates, the control air head 81 on one side of the main clamping plate 6 touches When it touches the control cam 82 at the entry position A, the cylinder body 521 is triggered to drive the piston telescopic rod 522 to approach the receiving fixed partition 72, thereby clamping the paper bag stacking monomer; the rolling clamping mechanism 1 continues to rotate, and when the paper bag stacking monomer reaches the exit position B, the control air head 81 on the other side of the main clamping plate 6 touches the control cam 82 at the exit position B, thereby triggering the cylinder body 521 to drive the piston telescopic rod 522 to move away from the receiving fixed partition 72, thereby releasing the paper bag stacking monomer clamp and sending the paper bag monomer out through the push plate structure. There is a paper bag transfer clamping position M between the paper bag stacking monomer entry position A and the paper bag stacking monomer exit position B, and the two are on the same line; when the first paper bag stacking monomer paper bag transfer clamping position M reaches the position between the entry position A and the exit position B, the second paper bag transfer clamping position M is located at the paper bag stacking monomer entry position A to load the paper bag, and when the first paper bag stacking monomer paper bag transfer clamping position M reaches the exit position B, the third paper bag transfer clamping position M is located at the paper bag stacking monomer entry position A to load the paper bag; after the paper bag at the first paper bag stacking monomer paper bag transfer clamping position M is unloaded, it is transferred to the next position to prepare for loading paper bags. At this time, the fourth paper bag transfer clamping position M is located at the paper bag stacking monomer entry position A to load the paper bag, and the second paper bag transfer clamping position M is located when the paper bag stacking monomer arrives at the exit position B to unload the paper bag, and this is repeated to realize the rolling transfer of the paper bags.

[0037] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0038] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A rolling transfer device for pre-treatment before packing a paper bag package, characterized in that: It comprises a rolling clamping mechanism (1), a rolling driving mechanism (2) and a frame (3); The rolling clamping mechanism (1) is mounted on a frame (3) and has a waterwheel-like structure, comprising a plurality of paper bag transfer clamping positions (M); The rolling drive mechanism (2) is used to drive the rolling clamping mechanism (1) to rotate; The sorted paper bags are stacked and clamped in individual units at the paper bag transfer clamping position (M), and are rolled and transferred to the next process by the rotation of the rolling clamping mechanism (1).

2. The pre-treatment rolling transfer device for paper bag packaging before packing according to claim 1, characterized in that: The rolling clamping mechanism (1) comprises a rolling clamping body (4) and a plurality of movable clamping plate assemblies (5); The rolling clamping body (4) is composed of two main clamping plates (6) arranged in parallel and symmetrically and a plurality of fixed partitions (7); the fixed partition (7) is located between the two main clamping plates (6) and is used to connect and fix the two main clamping plates (6) to form a plurality of paper bag transfer clamping positions (M); The movable clamping plate assembly (5) is arranged between two main clamping plates (6) and cooperates with the fixed partition plate (7) to clamp the paper bags into stacked units.

3. The rolling transfer device for pre-treatment before packing of the paper bag packaging according to claim 2, wherein: The main plate (6) is in the form of a swastika-shaped windmill blade-like structure, comprising a shaft sleeve portion (61) located in the center and four L-shaped support plate bodies (62); The support plate body (62) comprises a first support portion (621) perpendicular to the central axis of the rolling clamping mechanism (1), and a second support portion (622) perpendicular to the first support portion (621); The shaft sleeve portion (61) and the four L-shaped support plate bodies (62) are integrally formed.

4. The rolling transfer device for pre-treatment before packing of the paper bag packaging, according to claim 3, wherein: The fixed partition (7) comprises a connecting fixed partition (71) located between the first supporting portions (621) of the two main clamping plates (6), and a receiving fixed partition (72) located between the second supporting portions (622) of the two main clamping plates (6); the connecting fixed partition (71) is located at the upper end of the first supporting portion (621), and the lower portion thereof is used for mounting the movable clamping plate assembly (5); the plane where the receiving fixed partition (72) is located is parallel to the central axis of the rolling clamping mechanism (1).

5. The pre-treatment rolling transfer device for paper bag packaging before packing according to claim 4, characterized in that: The movable clamping plate assembly (5) comprises a movable clamping plate body (51) and a movable clamping plate driver. The movable clamping plate body (51) is arranged opposite to and in parallel with a receiving fixed partition (72) between the second supporting portions (622) of the two main clamping plates (6), and can move closer to or farther from the receiving fixed partition (72) under the action of the movable clamping plate driver (52), so as to clamp or loosen the paper bag stacking monomers.

6. The rolling transfer device for pre-treatment before packing of the paper bag packaging, according to claim 5, wherein: The movable clamping plate driver (52) is a double-acting cylinder, comprising a cylinder body (521) and a piston telescopic rod (522); The cylinder body (521) is fixedly arranged on the inner side of the first supporting parts (621) of the two main clamping plates (6) via a cylinder bracket (523); The movable clamping plate body (51) is arranged at the front end of the piston telescopic rod (522), and moves closer to or farther from the receiving fixed partition plate (72) under the drive of the cylinder body (521).

7. The pre-treatment rolling transfer device for paper bag packaging before packing according to claim 6, characterized in that: When the movable clamping plate body (51) is driven to a retracted state by the piston telescopic rod (522), it can be embedded between the first supporting parts (621) of the two main clamping plates (6) and be flush with the fixed partition (7) between the first supporting parts (621); when the movable clamping plate body (51) is driven to an extended state by the piston telescopic rod (522), it can be fitted with the receiving fixed partition (72) between the second supporting parts (622) of the two main clamping plates (6) to clamp the paper bag stacking monomers.

8. The pre-treatment rolling transfer device for paper bag packaging before packing according to claim 7, characterized in that: The cylinder body (521) drives the piston telescopic rod (522) to perform reciprocating telescopic motion under the control of the combined control valve (8); the combined control valve (8) is a pneumatic combined control valve, which includes eight control air heads (81) and two control cams (82); The control air head (81) is respectively installed on the outer sides of the first supporting parts (621) of the two main splints (6), wherein the control air head (81) on one main splint (6) is used to control the movable splint body (51) to extend and fit with the receiving fixed partition (72) between the second supporting parts (622) of the two main splints (6) to clamp the paper bag stacking monomer; the control air head (81) on the other main splint (6) is used to control the movable splint body (51) to retract and be embedded between the first supporting parts (621) of the two main splints (6) to release the paper bag stacking monomer; The control cams (82) are mounted on the frame (3), wherein one control cam (82) is mounted at an entry position (A) for a paper bag stacking unit, and the other control cam (82) is mounted at an exit position (B) for a paper bag stacking unit. When the rolling clamping mechanism (1) rotates, the control air head (81) contacts the control cam (82), thereby controlling the cylinder body (521) to drive the piston telescopic rod (522) to move, thereby clamping or releasing the paper bag stacking monomer at a fixed point.

9. The pre-treatment rolling transfer device for paper bag packaging before packing according to claim 7, wherein: The rolling transfer device further comprises a paper bag entry limit assembly (9), the paper bag entry limit assembly (9) comprising a left paper bag limit plate (91) and a right paper bag limit plate (92) fixedly mounted at an entry position (A) of a paper bag stacking unit, and a paper bag entry baffle (94) suspended above the paper bag entry via a baffle bracket (93); the left paper bag limit plate (91) and the right paper bag limit plate (92) form a paper bag entry channel (C); the paper bag entry baffle (94) is inclined toward the inside of the paper bag entry channel (C), and can swing up and down around the baffle bracket (93) to press the paper bag stacking unit entering the bin.

10. The pre-treatment rolling transfer device for paper bag packaging before packing according to claim 1, characterized in that: The rolling drive mechanism (2) comprises a bearing body (21) passing through a shaft sleeve portion (61) of a main clamping plate (6) of a rolling clamping body (4) and a driving motor (22), wherein the driving motor (22) is connected to the bearing body (21) via a belt (23).

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