Valve port paper bag flattening device

By designing a valve mouth paper bag flattening device including hydraulic cylinder, gear and lifting sleeve, the problem of difficulty in adjusting the distance between the upper and lower pressure rollers in the prior art is solved, and effective flattening and wide application of valve mouth paper bags of different thicknesses is achieved.

CN222590855UActive Publication Date: 2025-03-11SHENZHEN TONGYING PAPER BAG CO LTD
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Patent Information

Application Number
CN202420463542.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-11
Publication Date
2025-03-11
Estimated Expiration
2034-03-11

AI Technical Summary

Technical Problem

In the prior art, it is difficult for the valve mouth paper bag flattening device to adjust the distance between the upper and lower pressing rollers, resulting in the inability to effectively flatten the valve mouth paper bag of different thicknesses, and the scope of application is limited.

Method used

A valve mouth paper bag flattening device including a support frame, roller seat, transmission box, screw, gear, hydraulic cylinder, tooth plate, limit groove and limit block is designed. The hydraulic cylinder drives the tooth plate and gear meshing, and the gear drives the screw and lift sleeve to rotate, and the lift sleeve drives the roller seat to lift and lower, adjusting the distance between the upper and lower pressure rollers.

Benefits of technology

It realizes effective flattening of paper bags with different thicknesses, and the application range is very wide, and the vertical lifting design of the roller seat improves the smooth performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The valve port paper bag flattening device comprises a supporting frame, a roller seat, a second guide plate and a sliding block, a transmission box is fixed to the outer wall of the top of the supporting frame through a bolt, a screw rod is rotationally connected to the top of the supporting frame through a bearing, and a gear is welded to the outer wall, located in the transmission box, of the screw rod; a hydraulic cylinder is fixed to the outer wall of one side of the transmission box through bolts, a toothed plate is arranged at the output end of the hydraulic cylinder and meshed with the gear, and a lifting sleeve is rotationally connected to the outer wall of the top of the roller base through a bearing. When the hydraulic cylinder drives the toothed plate to move to be meshed with the gear, the gear can drive the screw rod to rotate to be in threaded connection with the lifting sleeve, the lifting sleeve can drive the roller base to ascend and descend, the distance between the upper pressing roller and the lower pressing roller can be adjusted, valve port paper bags with different thicknesses can be flattened, the application range is very wide, and practicability is high. And the transmission motor drives the screw rod to rotate and slide block threads.
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Description

Technical Field

[0001] The utility model relates to the technical field of valve-mouth paper bags, in particular to a valve-mouth paper bag flattening device. Background Art

[0002] Valve mouth paper bags, commonly known as paste bottom bags, are internationally popular packaging bags. They are fed from the top or bottom valve port and use special filling equipment. After filling the materials, they are packed into cubes. The bags are neatly stacked and beautiful. They are environmentally friendly bags. When processing valve mouth bags, a flattening device is required to flatten them.

[0003] For example, a plastic bag production flattening device with announcement number CN205767747U and authorization announcement date 2016.12.07 includes a conveying platform, two sides of the conveying platform are respectively fixedly connected with a main bracket and an auxiliary bracket, the top of the main bracket is fixedly connected with a motor box, the inside of the motor box is fixedly connected with a motor, the output shaft end of the motor is fixedly connected with a first gear, the bottom of the first gear is meshed with a second gear, the auxiliary bracket is respectively fixedly connected with a second bearing and a third bearing, the second bearing is arranged above the third bearing, fixed seats are arranged on both sides of the top of the conveying platform, the inside of the two fixed seats are fixedly connected with the first bearing, and a plastic bag limiting device is arranged between the two fixed seats.

[0004] In the above-mentioned prior art, the distance between the upper and lower pressing rollers is difficult to adjust, and it is not convenient to flatten valve-mouth paper bags of different thicknesses. Only valve-mouth paper bags of a single thickness can be flattened, and the scope of application is small. Therefore, it is urgent to design a valve-mouth paper bag flattening device to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a valve-mouth paper bag flattening device to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A valve mouth paper bag flattening device comprises a support frame, a roller seat, a second guide plate and a sliding block, a transmission box is fixed to the outer wall of the top of the support frame by bolts, and the top of the support frame is rotatably connected to a screw rod through a bearing, and a gear is welded on the outer wall of the screw rod inside the transmission box, a hydraulic cylinder is fixed to the outer wall of one side of the transmission box by bolts, and a toothed plate is arranged on the output end of the hydraulic cylinder, the toothed plate and the gear are meshed with each other, a lifting sleeve is rotatably connected to the outer wall of the top of the roller seat by a bearing, and the lifting sleeve is threadedly sleeved on the outside of the screw rod, limiting grooves are provided on the inner walls on both sides of the support frame, and a limiting block slidably connected to the inside of the limiting groove is provided on the outer wall of the top of the roller seat.

[0008] Furthermore, upper pressure rollers are rotatably connected to the inner walls on both sides of the roller seat through bearings, and lower pressure rollers are rotatably connected to the inner walls on both sides of the support frame through bearings. Flattening motors are fixed to the outer walls of the roller seat and one side of the support frame through bolts, and the upper pressure roller and the lower pressure roller are both arranged on the output shaft of the flattening motor.

[0009] Furthermore, a storage box is provided inside the support frame via bolts, and a first guide plate is slidably connected inside the storage box, and an introduction plate is fixed on an outer wall on one side of the first guide plate via bolts.

[0010] Furthermore, the slider is fixed to the outer walls of the first guide plate and the second guide plate by bolts respectively, and the first guide plate and the second guide plate are connected by the slider.

[0011] Furthermore, a sliding seat is fixed to the outer wall of one side of the storage box by bolts, and the sliding block is slidably connected to the inside of the sliding seat.

[0012] Furthermore, a transmission motor is fixed to the outer wall of one side of the slide seat by bolts, and a screw rod is arranged on the output shaft of the transmission motor, and the screw rod thread runs through the interior of the slide block.

[0013] Furthermore, a side door is movably connected to the outer wall of one side of the storage box via a hinge, and a stopper is provided on the outer wall of one side of the side door. A baffle is rotatably connected to the outer wall of one side of the storage box, and the baffle is clamped inside the baffle.

[0014] In the above technical scheme, the utility model provides a valve mouth paper bag flattening device, (1) through the roller seat, transmission box, screw, gear, lifting sleeve, hydraulic cylinder, tooth plate, limit groove and limit block, when the hydraulic cylinder drives the tooth plate to move and mesh with the gear, the gear can drive the screw to rotate and the lifting sleeve thread, so that the lifting sleeve can drive the roller seat to rise and fall, and the distance between the upper pressure roller and the lower pressure roller can be adjusted, so that valve mouth paper bags of different thicknesses can be flattened, and the scope of application is very wide; (2) through the storage box, first guide plate, introduction plate, second guide plate, slider , a slide seat, a transmission motor and a screw rod. When the transmission motor drives the screw rod to rotate and thread the slider, the two sliders can respectively drive the two first guide plates and the second guide plates to move in opposite directions, and the distance between the two first guide plates and the two second guide plates can be adjusted. On the one hand, the valve mouth paper bags can be guided according to their width, and on the other hand, the valve mouth paper bags can be stacked more neatly when they fall into the storage box; (3) by providing a side door, a baffle seat and a baffle plate, the baffle plate can be rotated out of the inside of the baffle seat, the side door can be opened, and the neatly stacked valve mouth paper bags can be taken out. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 A three-dimensional structural schematic diagram of an embodiment of a valve-mouth paper bag flattening device of the utility model.

[0017] Figure 2 The present invention is a schematic diagram of the internal side structure of a valve-mouth paper bag flattening device according to an embodiment of the present invention.

[0018] Figure 3 A schematic diagram of the rear adjustment structure of a storage box provided in an embodiment of a valve-mouth paper bag flattening device of the utility model.

[0019] Figure 4 The present invention is a schematic diagram of the top view of the roller seat provided in an embodiment of a valve-mouth paper bag flattening device of the present invention.

[0020] Description of reference numerals:

[0021] 1. Support frame; 2. Roller seat; 3. Transmission box; 4. Screw; 5. Gear; 6. Lifting sleeve; 7. Hydraulic cylinder; 8. Tooth plate; 9. Limiting groove; 10. Limiting block; 11. Storage box; 12. First guide plate; 13. Lead-in plate; 14. Second guide plate; 15. Sliding block; 16. Sliding seat; 17. Transmission motor; 18. Screw; 19. Upper pressure roller; 20. Lower pressure roller; 21. Flattening motor; 22. Side door; 23. Block seat; 24. Baffle. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] like Figure 1-4As shown, a valve mouth paper bag flattening device provided by an embodiment of the utility model includes a support frame 1, a roller seat 2, a second guide plate 14 and a slider 15, a transmission box 3 is fixed to the outer wall at the top of the support frame 1 by bolts, and a screw rod 4 is rotatably connected to the top of the support frame 1 through a bearing, and a gear 5 is welded on the outer wall of the screw rod 4 located inside the transmission box 3, a hydraulic cylinder 7 is fixed to the outer wall of one side of the transmission box 3 by bolts, and a toothed plate 8 is arranged on the output end of the hydraulic cylinder 7, and the toothed plate 8 and the gear 5 are meshed with each other, a lifting sleeve 6 is rotatably connected to the outer wall of the top of the roller seat 2 through a bearing, and the lifting sleeve 6 is threadedly sleeved on the outside of the screw rod 4, limiting grooves 9 are provided on the inner walls on both sides of the support frame 1, and a limiting block 10 slidably connected to the inside of the limiting groove 9 is provided on the outer wall of the top of the roller seat 2.

[0024] The utility model provides a valve-mouth paper bag flattening device, comprising a support frame 1, a roller seat 2, a second guide plate 14 and a slider 15, a transmission box 3 is fixed to the outer wall of the top of the support frame 1 by bolts, and a screw rod 4 is rotatably connected to the top of the support frame 1 by a bearing, and a gear 5 is welded on the outer wall of the screw rod 4 located inside the transmission box 3, a hydraulic cylinder 7 is fixed to the outer wall of one side of the transmission box 3 by bolts, and a toothed plate 8 is arranged on the output end of the hydraulic cylinder 7, and the toothed plate 8 and the gear 5 are meshed with each other, a lifting sleeve 6 is rotatably connected to the outer wall of the top of the roller seat 2 by a bearing, and the lifting sleeve 6 is threadedly sleeved on the screw rod 4. On the outside of the rod 4, limiting grooves 9 are provided on the inner walls on both sides of the support frame 1, and a limiting block 10 slidably connected to the inside of the limiting groove 9 is provided on the outer wall at the top of the roller seat 2. Starting the hydraulic cylinder 7 drives the tooth plate 8 to move and engage with the gear 5, which can make the gear 5 drive the screw rod 4 to rotate and the lifting sleeve 6 thread, so that the lifting sleeve 6 can drive the roller seat 2 to rise and fall, and can adjust the distance between the upper pressure roller 19 and the lower pressure roller 20, so that valve mouth paper bags of different thicknesses can be flattened. When the roller seat 2 is raised or lowered, the limiting block 10 will slide inside the limiting groove 9, so that the roller seat 2 can be lifted or lowered vertically, thereby improving the stability performance.

[0025] Beneficial effects: When the hydraulic cylinder 7 drives the tooth plate 8 to move and engage with the gear 5, the gear 5 can drive the screw 4 to rotate and the lifting sleeve 6 thread, and the lifting sleeve 6 can drive the roller seat 2 to rise and fall, and the distance between the upper pressure roller 19 and the lower pressure roller 20 can be adjusted, and valve mouth paper bags of different thicknesses can be flattened, and the scope of application is very wide.

[0026] In one embodiment provided by the present utility model, Figure 1 and Figure 2As shown, upper pressure rollers 19 are rotatably connected to the inner walls on both sides of the roller seat 2 through bearings, and lower pressure rollers 20 are rotatably connected to the inner walls on both sides of the support frame 1 through bearings. Flattening motors 21 are fixed to the outer walls of the roller seat 2 and one side of the support frame 1 through bolts, and the upper pressure roller 19 and the lower pressure roller 20 are both arranged on the output shaft of the flattening motor 21. The two flattening motors 21 can respectively drive the upper pressure roller 19 and the lower pressure roller 20 to rotate to flatten the valve mouth paper bag.

[0027] In another embodiment provided by the present utility model, Figure 1 and Figure 2 As shown, a storage box 11 is provided inside the support frame 1 via bolts, and a first guide plate 12 is slidably connected inside the storage box 11. An introduction plate 13 is fixed on the outer wall of one side of the first guide plate 12 via bolts, and the introduction plate 13 is used to guide the valve mouth paper bag to fall after it is flattened.

[0028] In another embodiment provided by the present utility model, Figure 2 As shown, the slider 15 is fixed to the outer wall of the first guide plate 12 and the second guide plate 14 by bolts respectively, and the first guide plate 12 and the second guide plate 14 are connected by the slider 15. When the slider 15 moves, it will drive the first guide plate 12 and the second guide plate 14 to move.

[0029] In one embodiment provided by the present utility model, Figure 2 and Figure 3 As shown, a slide seat 16 is fixed to the outer wall of one side of the storage box 11 by bolts, and the slider 15 is slidably connected to the inside of the slide seat 16 , and the slide seat 16 can guide the slider 15 .

[0030] In another embodiment provided by the present utility model, Figure 3 As shown, a transmission motor 17 is fixed to the outer wall of one side of the slide 16 by bolts, and a screw rod 18 is arranged on the output shaft of the transmission motor 17. The screw rod 18 is threadedly penetrated into the interior of the slider 15, and the transmission motor 17 can drive the screw rod 18 to rotate.

[0031] In another embodiment provided by the present utility model, Figure 1 and Figure 2 As shown, a side door 22 is movably connected to the outer wall of one side of the storage box 11 through a hinge, and a blocking seat 23 is provided on the outer wall of one side of the side door 22. A baffle 24 is rotatably connected to the outer wall of one side of the storage box 11, and the baffle 24 is clamped in the inside of the blocking seat 23 to fix the side door 22.

[0032] Working principle: When in use, first adjust the distance between the upper pressure roller 19 and the lower pressure roller 20 according to the thickness of the valve mouth paper bag, start the hydraulic cylinder 7 to drive the tooth plate 8 to move and mesh with the gear 5, so that the gear 5 can drive the screw 4 to rotate and thread the lifting sleeve 6, so that the lifting sleeve 6 can drive the roller seat 2 to rise and fall, and the distance between the upper pressure roller 19 and the lower pressure roller 20 can be adjusted, and the valve mouth paper bags of different thicknesses can be flattened. The applicable range is very wide. When the roller seat 2 is raised or lowered, the limit block 10 slides inside the limit groove 9, so that the roller seat 2 can be lifted vertically, and then the space between the two first guide plates 12 and the two second guide plates 12 is adjusted according to the width of the valve mouth paper bag. The distance between the two guide plates 14 can be adjusted. When the transmission motor 17 is started to drive the screw rod 18 to rotate and thread with the slider 15, the two sliders 15 can respectively drive the two first guide plates 12 and the second guide plates 14 to move in opposite directions, and the distance between the two first guide plates 12 and the two second guide plates 14 can be adjusted. On the one hand, the valve mouth paper bags of different widths can be guided. On the other hand, the valve mouth paper bags can be stacked more neatly when they fall into the storage box 11. Then the baffle 24 is rotated out from the inside of the baffle seat 23, and then the side door 22 is flipped downward. The side door 22 can be opened to facilitate the removal of the stacked valve mouth paper bags.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A valve-mouth paper bag flattening device, comprising a support frame (1), a roller seat (2), a second guide plate (14) and a slider (15), characterized in that: A transmission box (3) is fixed to the outer wall of the top of the support frame (1) by bolts, and a screw rod (4) is rotatably connected to the top of the support frame (1) by a bearing, and a gear (5) is welded to the outer wall of the screw rod (4) located inside the transmission box (3), a hydraulic cylinder (7) is fixed to the outer wall of one side of the transmission box (3) by bolts, and a toothed plate (8) is provided on the output end of the hydraulic cylinder (7), and the toothed plate (8) and the gear (5) are meshed with each other, a lifting sleeve (6) is rotatably connected to the outer wall of the top of the roller seat (2) by a bearing, and the lifting sleeve (6) is threadedly sleeved on the outside of the screw rod (4), and limiting grooves (9) are provided on the inner walls on both sides of the support frame (1), and a limiting block (10) slidably connected to the inside of the limiting groove (9) is provided on the outer wall of the top of the roller seat (2).

2. A valve-mouth paper bag flattening device according to claim 1, characterized in that: Upper pressure rollers (19) are rotatably connected to the inner walls on both sides of the roller seat (2) via bearings, and lower pressure rollers (20) are rotatably connected to the inner walls on both sides of the support frame (1) via bearings. A flattening motor (21) is fixed to the outer walls of one side of the roller seat (2) and the support frame (1) via bolts, and the upper pressure roller (19) and the lower pressure roller (20) are both arranged on the output shaft of the flattening motor (21).

3. A valve-mouth paper bag flattening device according to claim 2, characterized in that: The support frame (1) has a storage box (11) inside thereof via bolts, and the storage box (11) is slidably connected to a first guide plate (12) inside thereof, and an introduction plate (13) is fixed to an outer wall of one side of the first guide plate (12) via bolts.

4. A valve-mouth paper bag flattening device according to claim 3, characterized in that: The slider (15) is fixed to the outer walls of the first guide plate (12) and the second guide plate (14) by bolts respectively, and the first guide plate (12) and the second guide plate (14) are connected by the slider (15).

5. The valve-mouth paper bag flattening device according to claim 3, characterized in that: A sliding seat (16) is fixed on the outer wall of one side of the storage box (11) by means of bolts, and the sliding block (15) is slidably connected inside the sliding seat (16).

6. A valve-mouth paper bag flattening device according to claim 5, characterized in that: A transmission motor (17) is fixed to the outer wall of one side of the slide seat (16) by means of bolts, and a screw rod (18) is arranged on the output shaft of the transmission motor (17), and the screw rod (18) is threadedly penetrated into the interior of the slide block (15).

7. The valve-mouth paper bag flattening device according to claim 3, characterized in that: A side door (22) is movably connected to the outer wall of one side of the storage box (11) via a hinge, and a blocking seat (23) is provided on the outer wall of one side of the side door (22). A baffle (24) is rotatably connected to the outer wall of one side of the storage box (11), and the baffle (24) is clamped inside the baffle seat (23).

Citation Information

Patent Citations

  • Plastic bag production flattening device

    CN205767747U