Blank pressing structure for square bottom valve bag production

Abstract

The utility model discloses an edge pressing structure for square-bottom valve bag production, which belongs to the technical field of square-bottom valve bag production and comprises a workbench, four springs are fixedly connected to the bottom surface of the workbench, a die is fixedly connected among the four springs, the die is slidably connected to the workbench, and a first rack is fixedly connected to the lower side of the die. A supporting frame is fixedly connected to the workbench, a hydraulic rod is installed on the supporting frame, a pressing plate is installed on the hydraulic rod, a second rack is installed on the hydraulic rod, a rotating rod is rotationally connected to the workbench, a first gear and a one-way wheel are installed on the rotating rod, the first gear is in meshed connection with the first rack, and the speed regulating box is in transmission connection with the material pushing mechanism. And the material pushing mechanism is arranged on the workbench and is in transmission connection with the transmission mechanism, and the conveying assembly is installed on one side of the workbench, so that the working steps of the equipment are effectively reduced, the equipment is more convenient and safer during working, and the working efficiency of the equipment is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of square-bottom valve pocket production, in particular to a hemming structure for square-bottom valve pocket production. Background Technique

[0002] The valve pocket belongs to a kind of article for holding things and has a very wide range of uses. The common valve pocket has a square bottom. During production, glue is used for bonding and fixing. In this process, first, the valve pocket needs to be sleeved on the mold used for positioning, then the bottom position is folded and closed, glue is applied, and finally, an extrusion device is used to press it for a long time to ensure firm glue bonding. After the valve pocket is sleeved on the positioning mold, folded, and the glue is applied, the hardness of the valve pocket's own material will cause the folded bottom to rebound and spread out. Therefore, during the process from applying the glue to extrusion, the operator's hand needs to press the valve pocket until the extrusion device is about to contact the valve pocket and then release the hand. This method has a greater risk and is very likely to cause hand injuries. To solve the above problems, a technical solution was disclosed in the patent number: CN202221870926.2. However, there are still some problems when this technical solution is used. When hemming the bag body, it is necessary to manually sleeve the bag body on the mold. After the hemming of the bag body is completed, the bag body is manually removed and then placed on the conveying mechanism. This operation increases the steps of the equipment during hemming and reduces the working efficiency of the equipment, thus affecting the use effect of the equipment.

[0003] Based on this, the utility model designs a hemming structure for square-bottom valve pocket production to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a hemming structure for square-bottom valve pocket production to solve the problem of slow efficiency when the equipment is used as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pressing edge structure for producing square bottom valve bags, comprising a workbench, four springs fixedly connected to the bottom surface of the workbench, a mold fixedly connected between the four springs, the mold slidably connected to the workbench, a first rack fixedly connected to the lower side of the mold, a support frame fixedly connected to the workbench, a hydraulic rod installed on the support frame, a pressure plate installed on the hydraulic rod, a second rack installed on the hydraulic rod, a rotating rod rotatably connected to the workbench, a first gear and a one-way wheel installed on the rotating rod, the first gear and the first rack are meshingly connected, the one-way wheel and the second rack are movably meshed, a transmission mechanism is installed on the workbench, the transmission mechanism is transmission-connected to the rotating rod, the speed regulating box is transmission-connected to the pushing mechanism, a pushing mechanism is provided on the workbench, the pushing mechanism is transmission-connected to the transmission mechanism, and a conveying assembly is installed on one side of the workbench.

[0007] Preferably, the four springs are located at the four corners of the bottom surface of the mold, a rubber non-slip soft layer is provided on the lower side of the pressure plate, and a positioning component is provided on the mold.

[0008] Preferably, an electric self-locking device is installed on the rotating rod.

[0009] Preferably, the transmission mechanism includes a first rotating column, a half gear, a second rotating column, a second gear and a speed regulating box. The first rotating column is rotatably connected to the workbench, and the first rotating column and the rotating rod are transmission connected. A half gear is installed on the first rotating column. The second rotating column is rotatably connected to the workbench, and the second gear is installed on the second rotating column. The second gear and the half gear are movably meshed. A speed regulating box is installed on the workbench, and the speed regulating box is transmission connected to the second rotating column.

[0010] Preferably, the pushing mechanism includes a rotating sleeve, a threaded rod, a limiting rod and a pushing plate. The rotating sleeve is rotatably connected to the workbench, the rotating sleeve is transmission-connected to the transmission mechanism, the threaded rod is rotatably connected inside the rotating sleeve, a limiting rod is provided between the threaded rod and the workbench, and a pushing plate is installed at one end of the threaded rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model is in a locked state through an electric self-locking device, thereby effectively ensuring the locking of the rotating rod, making the equipment more convenient during edge pressing. Subsequently, people sleeved the material to be edge-pressed on the mold, and then controlled the hydraulic rod to descend. When the hydraulic rod descends, the second rack does not drive the one-way wheel to rotate. As the pressing plate presses down, the bag body is pressed and combined. When the edge pressing of the bag body is completed, the hydraulic rod rises. At this time, the second rack drives the one-way wheel to rotate. When the one-way wheel rotates, the first gear drives the first rack to descend. At this time, the mold also descends, and the spring is compressed. When the rotating rod rotates, the rotating rod drives the first rotating column to rotate. At this time, the half gear and the second gear are in a disengaged state. When the mold descends to a certain position, the half gear and the second gear are engaged. At the same time, the second gear drives the speed regulation box to work, and the speed regulation box drives the rotating sleeve to rotate, thereby changing the position of the threaded rod, so that the push plate pushes the bag body on the workbench to the conveying component, thus completing the conveying of the material. When the material pushing is completed, the second rack and the one-way wheel are disengaged. At this time, the spring rebounds, and then the above-mentioned parts are reset. At this time, the mold is pushed out again, and the bagging and edge pressing can be continued, so that when the equipment is working, the bag-taking steps of workers can be reduced, the efficiency of the equipment during work is higher, the practicability and use convenience of the equipment are further improved, and at the same time, the working stability and safety of the equipment are ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0014] Figure 1 is a front-side perspective structural schematic diagram of the present utility model;

[0015] Figure 2 is a rear-side perspective structural schematic diagram of the present utility model;

[0016] Figure 3 is a bottom-side perspective structural schematic diagram of the present utility model;

[0017] Figure 4 is a partial bottom-side perspective structural schematic diagram of the present utility model.

[0018] In the drawings, the list of components represented by each reference numeral is as follows:

[0019] 1. Workbench; 2. Spring; 3. Mold; 4. First rack; 5. Support frame; 6. Hydraulic rod; 7. Pressing plate; 8. Second rack; 9. Rotating rod; 10. First gear; 11. One-way wheel; 12. Transmission mechanism; 13. First rotating column; 14. Half gear; 15. Second rotating column; 16. Second gear; 17. Speed regulation box; 18. Pushing mechanism; 19. Rotating sleeve; 20. Threaded rod; 21. Limiting rod; 22. Pushing plate; 23. Conveying assembly. Detailed implementation manner

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1 - 4 , the present invention provides a technical solution:

[0022] A hemming structure for the production of square-bottom valve bags, including a workbench 1, four springs 2 are fixedly connected to the bottom surface of the workbench 1, a mold 3 is fixedly connected between the four springs 2, the mold 3 is slidably connected to the workbench 1, a first rack 4 is fixedly connected to the lower side of the mold 3, a support frame 5 is fixedly connected to the workbench 1, a hydraulic rod 6 is installed on the support frame 5, a pressing plate 7 is installed on the hydraulic rod 6, a second rack 8 is installed on the hydraulic rod 6, a rotating rod 9 is rotatably connected to the workbench 1, a first gear 10 and a one-way wheel 11 are installed on the rotating rod 9, the first gear 10 is meshed with the first rack 4, the one-way wheel 11 is movably meshed with the second rack 8, a transmission mechanism 12 is installed on the workbench 1, the transmission mechanism 12 is in transmission connection with the rotating rod 9, a speed regulation box 17 is in transmission connection with a pushing mechanism 18, a pushing mechanism 18 is provided on the workbench 1, the pushing mechanism 18 is in transmission connection with the transmission mechanism 12, and a conveying assembly 23 is installed on one side of the workbench 1.

[0023] Among them, the four springs 2 are located at the four corners of the bottom surface of the mold 3, a rubber anti-slip soft layer is provided on the lower side of the pressing plate 7, and a positioning component is provided on the mold 3; it is convenient to control the up and down movement of the mold 3, so as to facilitate the pushing of the bag body, thereby further improving the working efficiency of the equipment.

[0024] Among them, an electric self-locking device is installed on the rotating rod 9; it is convenient to control the rotation of the rotating rod 9, avoiding the situation that the mold 3 moves when the pressing plate 7 presses down, and further ensuring the stability of the equipment during use.

[0025] Among them, the transmission mechanism 12 includes a first rotating column 13, a half gear 14, a second rotating column 15, a second gear 16 and a speed regulating box 17. The first rotating column 13 is rotatably connected to the workbench 1, and the first rotating column 13 is transmission-connected to the rotating rod 9. The half gear 14 is installed on the first rotating column 13. The second rotating column 15 is rotatably connected to the workbench 1. The second rotating column 15 is installed with a second gear 16. The second gear 16 and the half gear 14 are movably engaged. The speed regulating box 17 is installed on the workbench 1, and the speed regulating box 17 is transmission-connected to the second rotating column 15; it is convenient to control the pushing mechanism 18 to work, so that a differential speed occurs when the pushing mechanism 18 and the mold 3 descend, so that when the mold 3 in the equipment descends to a certain position, the pushing mechanism 18 pushes the material to the conveying component 23.

[0026] Among them, the pushing mechanism 18 includes a rotating sleeve 19, a threaded rod 20, a limiting rod 21 and a pushing plate 22. The rotating sleeve 19 is rotatably connected to the workbench 1, and the rotating sleeve 19 is transmission-connected to the transmission mechanism 12. The threaded rod 20 is rotatably connected inside the rotating sleeve 19. A limiting rod 21 is provided between the threaded rod 20 and the workbench 1, and a pushing plate 22 is installed at one end of the threaded rod 20; this facilitates pushing the material after edge pressing to the conveying mechanism, thereby further improving the efficiency of the equipment during operation.

[0027] Working principle:

[0028] When working, the electric self-locking device is in a locked state, thereby effectively ensuring the locking of the rotating rod 9, and then making the equipment more convenient when pressing the edge. Then people put the material that needs to be pressed on the mold 3, and then control the hydraulic rod 6 to descend. When the hydraulic rod 6 descends, the second rack 8 does not drive the one-way wheel 11 to rotate. As the pressing plate 7 is pressed down, the bag body is pressed. When the bag body is pressed, the hydraulic rod 6 rises. At this time, the second rack 8 drives the one-way wheel 11 to rotate. When the one-way wheel 11 rotates, the first gear 10 drives the first rack 4 to descend. At this time, the mold 3 descends at the same time, and the spring 2 is compressed. When the rotating rod 9 rotates, the rotating rod 9 drives the first rotating column 13 to rotate. At this time, the half gear 14 and the second gear 16 are disengaged, and when the mold 3 is down When it drops to a certain position, the half gear 14 and the second gear 16 mesh, and the second gear 16 drives the speed regulating box 17 to work, and the speed regulating box 17 drives the rotating sleeve 19 to rotate, thereby changing the position of the threaded rod 20, so that the push plate 22 pushes the bag body on the workbench 1 to the conveying assembly 23, thereby completing the material conveying. When the material is pushed, the second rack 8 and the one-way wheel 11 are disengaged, and the spring 2 rebounds at this time, and then the above parts are reset. At this time, the mold 3 is re-pushed out, and the bagging and edge pressing can continue, so that when the equipment is working, the workers' bag taking steps can be reduced, making the equipment more efficient at work, further improving the practicability and ease of use of the equipment, and at the same time ensuring the working stability and safety of the equipment.

Claims

1. A pressing edge structure for producing square bottom valve bags, comprising a workbench (1), characterized in that: The bottom surface of the workbench (1) is fixedly connected with four springs (2), a mold (3) is fixedly connected between the four springs (2), the mold (3) is slidably connected to the workbench (1), a first rack (4) is fixedly connected to the lower side of the mold (3), a support frame (5) is fixedly connected to the workbench (1), a hydraulic rod (6) is installed on the support frame (5), a pressure plate (7) is installed on the hydraulic rod (6), a second rack (8) is installed on the hydraulic rod (6), a rotating rod (9) is rotatably connected to the workbench (1), and a rotating rod (9) is installed on the rotating rod (9). A first gear (10) and a one-way wheel (11) are installed, the first gear (10) and the first rack (4) are meshed and connected, the one-way wheel (11) and the second rack (8) are movably meshed, a transmission mechanism (12) is installed on the workbench (1), the transmission mechanism (12) and the rotating rod (9) are transmission connected, a speed regulating box (17) and a pushing mechanism (18) are transmission connected, a pushing mechanism (18) is provided on the workbench (1), the pushing mechanism (18) and the transmission mechanism (12) are transmission connected, and a conveying component (23) is installed on one side of the workbench (1).

2. The edge pressing structure for producing square bottom valve bags according to claim 1, characterized in that: The four springs (2) are located at the four corners of the bottom surface of the mold (3), a rubber anti-slip soft layer is provided on the lower side of the pressing plate (7), and a positioning component is provided on the mold (3).

3. The edge pressing structure for producing square bottom valve bags according to claim 1, characterized in that: An electric self-locking device is installed on the rotating rod (9).

4. The edge pressing structure for producing square bottom valve bags according to claim 1, characterized in that: The transmission mechanism (12) comprises a first rotating column (13), a half gear (14), a second rotating column (15), a second gear (16) and a speed regulating box (17); the first rotating column (13) is rotatably connected to the workbench (1); the first rotating column (13) and the rotating rod (9) are transmission-connected; the half gear (14) is installed on the first rotating column (13); the second rotating column (15) is rotatably connected to the workbench (1); the second rotating column (15) is installed on the second gear (16); the second gear (16) and the half gear (14) are movably meshed; the speed regulating box (17) is installed on the workbench (1); the speed regulating box (17) and the second rotating column (15) are transmission-connected.

5. The edge pressing structure for producing square bottom valve bags according to claim 1, characterized in that: The pushing mechanism (18) comprises a rotating sleeve (19), a threaded rod (20), a limiting rod (21) and a pushing plate (22); the rotating sleeve (19) is rotatably connected to the workbench (1); the rotating sleeve (19) is transmission-connected to the transmission mechanism (12); the threaded rod (20) is rotatably connected inside the rotating sleeve (19); a limiting rod (21) is provided between the threaded rod (20) and the workbench (1); and a pushing plate (22) is installed at one end of the threaded rod (20).

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