An opening auxiliary mechanism for a woven bag-in-bag

By designing an opening auxiliary mechanism for inner bags for woven bags, the woven bag opening is effectively opened by the cooperation of the push plate and the spiral groove, which solves the problem of the inner bag being difficult to fit and improves the insertion efficiency.

CN222727561UActive Publication Date: 2025-04-08QINGZHOU XINGGUANG PRINTING & PACKAGING CO LTD SHANDONG PROVINCE
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Patent Information

Application Number
CN202421382573.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-08
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

During the working process, the opening auxiliary mechanism for the inner bag of woven bag is poor, resulting in the phenomenon that the inner bag is not easily inserted into the woven bag.

Method used

An opening auxiliary mechanism for inner bags of woven bags is designed. By setting a push plate between the upper suction cup head and the lower suction cup head, the suction cup head is so as to absorb the port of the woven bag, and the push plate rotates to the inside of the woven bag, and the side of the woven bag is supported. Combined with the spiral groove and limit block, the push plate can open the opening of the woven bag more effectively, and through the cooperation of the rack and gear, the conveyor rod is driven to continuously move, so that the opening plate can open the interior of the woven bag more effectively.

Benefits of technology

By effectively opening the opening of the woven bag, the convenience and efficiency of the inner bag being put into the woven bag is significantly improved, and the phenomenon that the inner bag is not easy to fit into is avoided.

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Abstract

The utility model discloses an opening auxiliary mechanism for an inner bag in a woven bag, and relates to a woven bag production technology, including an equipment frame, a horizontal plate is fixed on the bottom of the equipment frame, a movable frame is connected to one side of the top of the equipment frame by bolts, a mounting plate is fixed to the top end of the movable frame, a telescopic cylinder is installed at the middle position of the front surface of the mounting plate, a No. 1 positioning block is connected to both sides of the front surface of the mounting plate by bolts, a light rod is slidably connected to the inside of the No. 1 positioning block, and a push plate is arranged between an upper suction cup head and a lower suction cup head in the utility model, so that after the upper suction cup head and the lower suction cup head adsorb the woven bag port, when the upper suction cup head moves upward to open the woven bag opening, the spiral groove cooperates with the limit block on the fixed plate, so that the push plate rotates toward the inside of the woven bag, and the side of the woven bag is propped up, so that it is convenient for the subsequent conveying rod to put the inner bag into the woven bag belt.
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Description

Technical Field

[0001] The utility model relates to the technical field of woven bag production, in particular to an opening auxiliary mechanism for a woven bag inner bag. Background Art

[0002] Woven bags are packaging bags made of plastic, mainly used for containing and packaging various items. Woven bags have a wide range of uses. Since woven bags are woven with warp and weft, they have poor moisture-proof and leak-proof effects, and can easily cause the objects contained in them to deteriorate and be damaged. Putting an inner bag inside the woven bag can solve the problem.

[0003] Patent No. CN219749079U discloses an opening auxiliary mechanism for a woven bag inside an inner bag. During actual operation, the woven bag is adsorbed by upper and lower suction cup heads to open the opening of the woven bag. After opening, the conveying rod adsorbs the inner bag through the suction cup head and inserts it into the woven bag, and the inner bag is inserted into the woven bag. During the insertion process, the opening plate moves to both sides to open the opening of the woven bag.

[0004] When the opening auxiliary mechanism for the woven bag inside the inner bag is working, when the inner bag is put into the woven bag, the inner bag is not easy to be put into the woven bag because the opening effect of the woven bag is poor. Utility Model Content

[0005] The utility model aims to provide an opening auxiliary mechanism for a woven bag inside an inner bag to solve the problem that when the inner bag is put into the woven bag during operation, the inner bag is not easily put into the woven bag due to the poor opening effect of the woven bag.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an opening auxiliary mechanism for a woven bag inside a bag, comprising an equipment frame, a horizontal plate is fixed at the bottom of the equipment frame, a movable frame is connected to one side of the top of the equipment frame by bolts, a mounting plate is fixed to the top of the movable frame, a telescopic cylinder is installed at the middle position of the front surface of the mounting plate, a No. 1 positioning block is connected to both sides of the front surface of the mounting plate by bolts, a light rod is slidably connected to the interior of the No. 1 positioning block, a No. 2 positioning block is connected to both sides of the rear surface of the mounting plate by bolts, a vertical rod is rotatably connected to the interior of the No. 2 positioning block, and the output end of the telescopic cylinder A synchronization block is fixed to the outside of the light rod, a sliding block that cooperates with the synchronization block is provided on the outside of the light rod, fixed blocks are connected to the two sides of the rear surface of the synchronization block by bolts, the fixed block is rotatably connected to the vertical rod, a spiral groove is provided on the outside of the vertical rod, and a limit block that cooperates with the spiral groove is provided inside the fixed block; a fixed frame is fixed to the rear surface of the equipment frame, a push plate is slidably connected to one side of the fixed frame, and conveying rods are slidably connected to the two ends of the pushing plate, a rack is fixed to one side of the fixed frame, and a screw is rotatably connected to the end of the conveying rod, and a No. 5 gear that meshes with the rack is fixed to one end of one side of the screw.

[0007] As a further solution of the utility model: the horizontal plate is provided with a rectangular opening, and a rectangular plate slides horizontally in the rectangular opening, the rectangular plate corresponds to the upper suction cup head and the lower suction cup head, a fixed plate is provided above the horizontal plate, two transmission shafts are provided inside the fixed plate, conveyor belts are wrapped around the two transmission shafts, a motor is installed on one side of the fixed plate, the output end of the motor is fixedly connected to a group of transmission shafts, a No. 1 gear is provided on one side of the fixed plate, the No. 1 gear is fixedly connected to a group of transmission shafts, when the motor drives the conveyor belt to rotate, the gear at the other end of the transmission will also rotate accordingly.

[0008] As a further solution of the utility model: the interior of the fixed plate is rotatably connected to roller No. 1 and roller No. 2, the middle position of roller No. 1 and roller No. 2 corresponds to the upper surface of the conveyor belt, one side of the fixed plate is rotatably connected to gear No. 3, the gear No. 3 is fixedly connected to one end of roller No. 1, one side of the fixed plate is rotatably connected to gear No. 4 that meshes with gear No. 3, the gear No. 4 is fixedly connected to one end of roller No. 2.

[0009] As a further solution of the utility model: one side of the fixed plate is rotatably connected to a No. 3 gear that meshes with the No. 1 gear, and the No. 3 gear meshes with the No. 4 gear. When the No. 1 gear starts to rotate, it will drive the No. 2 gear, the No. 3 gear, and the No. 4 gear to rotate at the same time, thereby causing the No. 1 roller and the No. 2 roller to rotate in opposite directions.

[0010] As a further solution of the utility model: the end of the telescopic motor and the end of the polished rod are fixedly connected with an upper suction cup head, and the three suction cup heads are of equal height.

[0011] As a further solution of the utility model: a side block is fixed to the front surface below the movable frame, a lower suction cup head is fixed above the side block, and the lower suction cup head corresponds to the upper suction cup head.

[0012] As a further solution of the utility model: multiple groups of equidistant first threaded holes are provided on both sides of the upper part of the equipment frame, the movable frame can change the spacing according to the threaded holes, multiple groups of equidistant second threaded holes are provided on the mounting plate, the No. 1 positioning block and the No. 2 positioning block can change the spacing according to the threaded holes, and a plurality of equidistant third threaded holes are provided on the rear surface of the synchronization block, and the fixed block can change the spacing according to the threads.

[0013] As a further solution of the utility model: a reciprocating spiral groove is provided at the contact position between the screw and the conveying rod, and a protrusion that cooperates with the reciprocating spiral groove is provided inside the conveying rod. One end of the screw is rotatably connected to one side of the pushing plate. When the pushing plate moves forward, it will drive the screw to rotate, and the conveying rod will move back and forth left and right in the reciprocating spiral groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A push plate is arranged between the upper suction cup head and the lower suction cup head, so that the upper suction cup head and the lower suction cup head adsorb the port of the woven bag. When the upper suction cup head moves upward to open the opening of the woven bag, the spiral groove cooperates with the limit block on the fixed plate, so that the push plate rotates toward the inside of the woven bag, propping up the side of the woven bag, making it convenient for the subsequent conveying rod to put the inner bag into the woven bag belt;

[0016] 2. A rack is arranged on the front surface of the fixed frame, a gear meshing with the rack is arranged at one end of the screw, and a reciprocating spiral groove is arranged at each position where the screw is connected to the two conveying rods. A convex block matching with the reciprocating spiral groove is arranged at the position where the conveying rod is connected to the screw. When the push plate drives the conveying rod to move, the screw is rotated due to the cooperation of the gear and the rack. When the screw rotates, the reciprocating spiral groove matches with the convex block, so that the conveying rod continuously moves in the same or opposite direction, so that the opening plate can more effectively open the inside of the woven bag.

[0017] 3. By setting up a conveyor belt and a reel, the conveyor belt is driven by a motor to rotate, and at the same time, the transmission shaft at the other end of the conveyor belt drives the gear to rotate, thereby driving the two rollers to rotate in opposite directions. The woven bag is sent to the middle of the two rollers through the conveyor belt. The rotation of the rollers can flatten the woven bag that may have wrinkles during transportation, reducing the problem of the opening being unable to be opened smoothly due to the wrinkles of the woven bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an isometric view of an opening auxiliary mechanism for a woven bag-in-bag proposed by the utility model;

[0019] Figure 2 It is a structural schematic diagram of an upper conveyor belt of an opening auxiliary mechanism for a woven bag-in-bag proposed by the utility model;

[0020] Figure 3 This is a structural schematic diagram of a positioning block of an opening auxiliary mechanism for a woven bag-in-bag proposed by the utility model;

[0021] Figure 4 This is a structural schematic diagram of a push plate of an opening auxiliary mechanism for a woven bag-in-bag proposed by the utility model;

[0022] Figure 5 It is a structural schematic diagram of a conveying rod of an opening auxiliary mechanism for a woven bag-in-bag proposed by the utility model;

[0023] Figure 6 It is an enlarged schematic diagram of A in the opening auxiliary mechanism for a woven bag-in-bag proposed by the utility model.

[0024] In the figure: 1. Equipment frame; 2. Horizontal plate; 3. Movable frame; 4. Mounting plate; 5. Telescopic cylinder; 6. Synchronous block; 7. Upper suction cup head; 8. Lower suction cup head; 9. Conveying rod; 10. Material taking suction cup head; 11. Opening plate; 12. Rectangular plate; 13. Light rod; 14. Sliding block; 15. Positioning block No. 1; 16. Side block; 17. Conveyor belt; 18. Fixed plate; 19. Motor; 20. Roller No. 1; 21. Roller No. 2; 22. Gear No. 1; 23. Gear No. 2; 24. Gear No. 3; 25. Gear No. 4; 26. Fixed block; 27. Vertical rod; 28. Push plate; 29. ​​Fixed frame; 30. Rack; 31. Gear No. 5; 32. Screw; 33. Reciprocating spiral groove; 34. Bump; 35. Push plate; 36. Positioning block No. 2. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 to Figure 6In the embodiment of the utility model, an opening auxiliary mechanism for a woven bag inside a bag comprises an equipment frame 1, a horizontal plate 2 is fixed at the bottom of the equipment frame 1, a movable frame 3 is connected to one side of the top of the equipment frame 1 by bolts, a mounting plate 4 is fixed to the top of the movable frame 3, a telescopic cylinder 5 is installed at the middle position of the front surface of the mounting plate 4, a No. 1 positioning block 15 is connected to both sides of the front surface of the mounting plate 4 by bolts, a light rod 13 is slidably connected to the inside of the No. 1 positioning block 15, a No. 2 positioning block 36 is connected to both sides of the rear surface of the mounting plate 4 by bolts, a vertical rod 27 is rotatably connected to the inside of the No. 2 positioning block 36, a synchronous block 6 is fixed to the outside of the output end of the telescopic cylinder 5, and the light rod 1 A slider 14 cooperating with the synchronization block 6 is provided on the outer side of 3, and fixed blocks 26 are connected to the two sides of the rear surface of the synchronization block 6 by bolts. The fixed block 26 is rotatably connected to the vertical rod 27, and a spiral groove 37 is provided on the outer side of the vertical rod 27. A limit block cooperating with the spiral groove 37 is provided inside the fixed block 26. A fixed frame 29 is fixed to the rear surface of the equipment frame 1, and a push plate 35 is slidably connected to one side of the fixed frame 29. The two ends of the push plate 35 are slidably connected to the conveying rod 9. A rack 30 is fixed to one side of the fixed frame 29, and the end of the conveying rod 9 is rotatably connected to a screw rod 32. A number five gear 31 meshing with the rack 30 is fixed to one end of one side of the screw rod 32.

[0027] In this embodiment: when the woven bag is sucked by the upper suction cup head 7 and the lower suction cup head 8, the upper suction cup head 7 is driven upward by the telescopic cylinder 5, and the synchronization block 6 rotates the vertical rod 27 and rotates the push plate 28 into the port of the woven bag, thereby opening the side of the woven bag.

[0028] Please refer to Figure 1-Figure 2The horizontal plate 2 is provided with a rectangular opening, and a rectangular plate 12 is horizontally slid in the rectangular opening. A fixed plate 18 is provided above the horizontal plate 2. Two transmission shafts are provided inside the fixed plate 18. A conveyor belt 17 is wound around the two transmission shafts. A motor 19 is installed on one side of the fixed plate 18. The output end of the motor 19 is fixedly connected to a group of transmission shafts. The motor 19 provides power for the conveyor belt 17. A No. 1 gear 22 is provided on one side of the fixed plate 18. The No. 1 gear 22 is fixedly connected to a group of transmission shafts. When the transmission shaft starts to rotate with the motor 19, the No. 1 gear 22 is driven to rotate. The internal rotation of the fixed plate 18 is connected to the No. 1 roller 20 and the No. 2 roller 21. The middle position of the No. 1 roller 20 and the No. 2 roller 21 is connected to the conveyor belt. 17 corresponds to the upper surface of the fixed plate 18, one side of the fixed plate 18 is rotatably connected with the third gear 24, the third gear 24 is fixedly connected to one end of the first roller 20, one side of the fixed plate 18 is rotatably connected with the fourth gear 25 meshing with the third gear 24, the fourth gear 25 is fixedly connected to one end of the second roller 21, one side of the fixed plate 18 is rotatably connected with the second gear 23 meshing with the first gear 22, the second gear 23 and the fourth gear 25 meshing with each other, when the first gear 22 starts to rotate, it will drive the second gear 23, the third gear 24, and the fourth gear 25 to rotate at the same time, so that the first roller 20 and the second roller 21 rotate in opposite directions, flatten the woven bag and send it to the suction cup head.

[0029] In this embodiment: the motor 19 drives the conveyor belt 17 to rotate, and at the same time drives the No. 1 gear 22 fixed on the transmission shaft at the other end of the conveyor belt 17 to rotate. The rotation of the No. 1 gear 22 will drive the No. 2 gear 23, the No. 3 gear 24, and the No. 4 gear 25 to rotate at the same time, thereby driving the No. 1 roller 20 and the No. 2 roller 21 to rotate in opposite directions, flattening the woven bag and sending it to the suction cup head.

[0030] Please refer to Figure 3-Figure 4 The end of the telescopic cylinder 5 and the end of the light rod 13 are fixedly connected with an upper suction cup head 7, a side block 16 is fixed on the front surface below the movable frame 3, and a lower suction cup head 8 is fixed above the side block 16, and the lower suction cup head 8 corresponds to the upper suction cup head 7.

[0031] In this embodiment, the upper suction cup head 7 corresponds to the lower suction cup head 8, and the telescopic cylinder 5 can drive the upper suction cup head 7 to move up and down after being started.

[0032] Please refer to Figure 1-Figure 3 , multiple groups of equidistant first threaded holes are provided on both sides of the upper part of the equipment frame 1, the movable frame 3 can change the spacing according to the threaded holes, multiple groups of equidistant second threaded holes are provided on the mounting plate 4, the No. 1 positioning block 15 and the No. 2 positioning block 36 can change the spacing according to the threaded holes, a plurality of equidistant third threaded holes are provided on the rear surface of the synchronization block 6, and the fixed block 26 can change the spacing according to the threads.

[0033] In this embodiment, the movable frame 3, the first positioning block 15, the second positioning block 36, and the fixed block 26 can be adjusted to the required spacing by screw threads.

[0034] Please refer to Figure 5 A reciprocating spiral groove 33 is provided at the contact position between the screw 32 and the conveying rod 9, and a protrusion 34 that cooperates with the reciprocating spiral groove 33 is provided inside the conveying rod 9. One end of the screw 32 is rotatably connected to one side of the pushing plate 35. The pushing plate 35 will drive the screw 32 to rotate when moving forward, and the conveying rod 9 will move back and forth left and right in the reciprocating spiral groove 33.

[0035] In this embodiment, the push plate 35 drives the screw rod 32 to rotate when moving forward, and the conveying rod 9 reciprocates left and right in the reciprocating spiral groove 33. After the conveying rod 9 enters the woven bag, the interior of the woven bag can be more effectively expanded.

[0036] In the utility model, the working principle of the device is as follows:

[0037] The woven bag is placed on the conveyor belt 17, and the motor 19 drives the conveyor belt 17 to rotate, and at the same time drives the No. 1 gear 22 at the other end of the conveyor belt 17 to rotate, and the No. 2 gear 23, the No. 3 gear 24, and the No. 4 gear 25 are driven to rotate through the No. 1 gear 22, so that the No. 1 roller 20 and the No. 2 roller 21 rotate in opposite directions, and the woven bag moves to the middle position of the No. 1 roller 20 and the No. 2 roller 21 along with the conveyor belt 17, and becomes flat through the rolling of the No. 1 roller 20 and the No. 2 roller 21, and the woven bag is sent between the three upper suction cup heads 7 and the two lower suction cup heads 8, and the telescopic cylinder 5 drives the three upper suction cup heads 7 to move downward and fit with the upper side of the woven bag port, and the lower suction cup head 8 fits with the lower side of the woven bag port, and the three An upper suction cup head 7 and two lower suction cup heads 8 simultaneously vacuum absorb the woven bag, and the telescopic cylinder 5 drives the three upper suction cup heads 7 to move upward, and opens the fitting opening of the woven bag during the rising process. At the same time, the synchronous block 6 is driven to move upward during the rising process of the telescopic cylinder 5. When the synchronous block 6 moves upward, the vertical rod 27 is rotated, and the rotation of the vertical rod 27 drives the push plate 28 to rotate, so that the side of the opening of the woven bag is more effectively opened. After the opening of the woven bag is opened, the two material-taking suction cup heads 10 absorb the inner bag, and the push plate 35 drives the two conveying rods 9 to move into the woven bag. The two conveying rods 9 drive the opening plate 11 to move in the same or opposite directions at the same time, so that the inside of the woven bag is stretched to the maximum extent to prevent the inner bag from falling off due to collision.

[0038] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An opening auxiliary mechanism for a woven bag-in-bag, comprising a device frame (1), characterized in that: A horizontal plate (2) is fixed at the bottom of the equipment frame (1), a movable frame (3) is connected to one side of the top of the equipment frame (1) by bolts, a mounting plate (4) is fixed to the top of the movable frame (3), a telescopic cylinder (5) is installed at the middle position of the front surface of the mounting plate (4), a first positioning block (15) is connected to both sides of the front surface of the mounting plate (4) by bolts, a light rod (13) is slidably connected to the inside of the first positioning block (15), a second positioning block (36) is connected to both sides of the rear surface of the mounting plate (4) by bolts, a vertical rod (27) is rotatably connected to the inside of the second positioning block (36), a synchronous block (6) is fixed to the outer side of the output end of the telescopic cylinder (5), a slider (14) cooperating with the synchronous block (6) is provided on the outer side of the light rod (13), and a fixed block (26) is connected to both sides of the rear surface of the synchronous block (6) by bolts. The fixed block (26) is rotatably connected to the vertical rod (27), the outer side of the vertical rod (27) is provided with a spiral groove (37), the interior of the fixed block (26) is provided with a limit block that cooperates with the spiral groove (37), the bottom of the vertical rod (27) is provided with a push plate (28), the rear surface of the equipment frame (1) is fixed with a fixed frame (29), one side of the fixed frame (29) is slidably connected with a push plate (35), the two ends of the push plate (35) are slidably connected with a conveying rod (9), the bottom of one end of the conveying rod (9) is fixed with a material taking suction cup head (10), one end side of the conveying rod (9) is provided with an opening plate (11), one side of the fixed frame (29) is fixed with a rack (30), the end of the conveying rod (9) is rotatably connected with a screw rod (32), and one end of the screw rod (32) is fixed with a No. 5 gear (31) that meshes with the rack rod (30).

2. The opening auxiliary mechanism for a woven bag-in-bag according to claim 1, characterized in that: The horizontal plate (2) is provided with a rectangular opening, and a rectangular plate (12) is horizontally slid in the rectangular opening. A fixed plate (18) is provided above the horizontal plate (2). Two transmission shafts are provided inside the fixed plate (18), and a conveyor belt (17) is wound around the two transmission shafts. A motor (19) is installed on one side of the fixed plate (18), and the output end of the motor (19) is fixedly connected to a group of transmission shafts. A first gear (22) is provided on one side of the fixed plate (18), and the first gear (22) is fixedly connected to a group of transmission shafts.

3. The opening auxiliary mechanism for a woven bag-in-bag according to claim 2, characterized in that: The fixed plate (18) is rotatably connected to a first roller (20) and a second roller (21) inside, and the middle position of the first roller (20) and the second roller (21) corresponds to the upper surface of the conveyor belt (17). One side of the fixed plate (18) is rotatably connected to a third gear (24), and the third gear (24) is fixedly connected to one end of the first roller (20). One side of the fixed plate (18) is rotatably connected to a fourth gear (25) meshing with the third gear (24), and the fourth gear (25) is fixedly connected to one end of the second roller (21).

4. The opening auxiliary mechanism for a woven bag-in-bag according to claim 2, characterized in that: One side of the fixed plate (18) is rotatably connected to a second gear (23) meshing with the first gear (22), and the second gear (23) meshes with the fourth gear (25).

5. The opening auxiliary mechanism for a woven bag-in-bag according to claim 1, characterized in that: The end of the telescopic cylinder (5) and the end of the polished rod (13) are fixedly connected with an upper suction cup head (7).

6. The opening auxiliary mechanism for a woven bag-in-bag according to claim 1, characterized in that: A side block (16) is fixed to the front surface below the movable frame (3), and a lower suction cup head (8) is fixed above the side block (16), and the lower suction cup head (8) corresponds to the upper suction cup head (7).

7. The opening auxiliary mechanism for a woven bag-in-bag according to claim 1, characterized in that: The upper two sides of the equipment frame (1) are provided with a plurality of groups of equidistant first threaded holes, the mounting plate (4) is provided with a plurality of groups of equidistant second threaded holes, and the rear surface of the synchronization block (6) is provided with a plurality of equidistant third threaded holes.

8. The opening auxiliary mechanism for a woven bag-in-bag according to claim 1, characterized in that: A reciprocating spiral groove (33) is provided at the contact position between the screw rod (32) and the conveying rod (9), a protrusion (34) cooperating with the reciprocating spiral groove (33) is provided inside the conveying rod (9), and one end of the screw rod (32) is rotatably connected to one side of the pushing plate (35).

Citation Information

Patent Citations

  • Opening auxiliary mechanism for sleeving inner bag of woven bag

    CN219749079U