A limiting mechanism for plastic bag production
By introducing adjustment components, including a mounting plate, a rotating block, and a vacuum suction plate, into the limiting device, the problem of insufficient adjustment capability of existing equipment when dealing with plastic bags of different sizes is solved, achieving more efficient production adaptability and improved product quality.
Patent Information
- Application Number
- CN202423182630.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing limiting mechanisms used in plastic bag production have limited adjustment capabilities when faced with plastic bags of different specifications or materials, making them unable to adapt to diverse production needs and affecting work efficiency.
A limiting device was designed, comprising an adjustment assembly including a mounting plate, a rotating block, a lead screw, a moving block, and a vacuum suction plate. The material picking range of the limiting device is adjusted by a motor drive to accommodate plastic bags of different sizes and improve production continuity.
The limit device allows for flexible adjustment, accommodating more sizes of plastic bags, improving production efficiency and product quality, and reducing the scrap rate.
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Figure CN223605198U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic bag production, specifically, relates to a limiting mechanism for plastic bag production. BACKGROUND
[0002] The limiting mechanism for plastic bag production is a device used in the technical field of industrial machinery, which can reduce waste caused by position deviation and reduce production cost. The limiting mechanism is not only suitable for plastic bag production, but also can be applied to the processing of other types of plastic film and packaging materials, and has wide applicability. The limiting mechanism for plastic bag production is an efficient and precise industrial device that can significantly improve the automation level and product quality of plastic bag production.
[0003] However, the existing technology has limitations in adjusting the size of the plastic bag during the limiting process. The existing device has limited adjustment capability, which makes it difficult to adjust the size of the plastic bag during the process, and cannot adapt to diversified production needs, affecting work efficiency. Therefore, we propose a limiting mechanism for plastic bag production. UTILITY MODEL CONTENT
[0004] The utility model discloses a limiting mechanism for plastic bag production, which can solve the above-mentioned problems.
[0005] To achieve the above-mentioned purpose, the utility model provides a limiting mechanism for plastic bag production, which comprises a workbench for plastic bag production and a limiting device.
[0006] The rotating blocks are arranged on the outer side of the mounting plate at the same position.
[0007] As a further improvement of the technical solution, the limiting device is fixedly connected with a mounting plate below, the outer side of the mounting plate is provided with four open grooves, four rotating blocks are rotatably connected with the inner wall of the four open grooves, four sliding grooves are arranged below the four rotating blocks, a lead screw is rotatably connected with the inner wall of the sliding groove, a moving block is rotatably connected with the outer wall of the lead screw, the moving block is slidably connected with the inner wall of the sliding groove, a connecting rod is fixedly connected with the lower end of the sliding groove, and a vacuum suction disc is fixedly connected with the lower end of the connecting rod.
[0008] As a further improvement of the technical solution, four first motors are fixedly installed on the outer side of the four rotating blocks, the output shafts of the four first motors are respectively fixedly connected with the end portions of the four lead screws.
[0009] As a further improvement of the technical solution, four extension shafts are fixedly connected to the displacement of the four rotating blocks near the end portion, four extension shafts extend above the mounting plate, the outer wall of the four extension shafts rotates in the inner wall of the mounting plate, the inner gear is fixedly connected above the four extension shafts, the inner gear inner wall is engaged with three first gears, a second gear is engaged between the three first gears, a fixed column is rotatably connected to the upper end of the second gear, the upper end of the three first gears is rotatably connected below the fixed column, a second motor is fixedly installed above the fixed column, and the output shaft of the second motor extending into the inner wall of the fixed column is fixedly connected with the upper end of the second gear.
[0010] As a further improvement of the technical solution, the outer wall of the fixed column is fixedly connected with a fixed block, the fixed block is inverted "L" shape, and the lower surface of the fixed block is fixedly connected with the upper surface of the mounting plate.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] In the limiting mechanism for plastic bag production, according to the size of different batches of plastic bags, four rotating blocks are rotated outside the mounting plate, the rotating blocks increase the range of the limiting device, the adjusting assembly makes the limiting device better fit the plastic bags for production and material taking, the limiting device is adapted to more sizes of plastic bags, and the continuity of production is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the overall structure schematic diagram of the utility model;
[0014] Figure 2 It is the mounting plate structure schematic diagram of the utility model;
[0015] Figure 3 It is the Figure 2 Structure schematic diagram of A of the utility model;
[0016] Figure 4 It is the opening slot structure schematic diagram of the utility model;
[0017] Figure 5 It is the Figure 4 Structure schematic diagram of B of the utility model;
[0018] Figure 6 It is the Figure 4 Structure schematic diagram of C of the utility model.
[0019] The meaning of each reference sign in the figure is as follows: 1, workbench for plastic bag production; 11, limiting device; 2, adjusting assembly; 20, mounting plate; 201, open slot; 21, rotating block; 211, sliding groove; 212, extension shaft; 22, screw rod; 221, moving block; 23, connecting rod; 24, vacuum suction disc; 25, first motor; 26, internal gear; 261, first gear; 27, second gear; 28, fixed column; 281, fixed block; 29, second motor. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] The limiting mechanism for plastic bag production is a device used in the field of industrial machinery technology. Accurate limiting and cutting reduce the generation of waste caused by position deviation and reduce production cost. This limiting mechanism is not only suitable for the production of plastic bags, but also can be applied to the processing of other types of plastic film and packaging materials, and has wide applicability. The limiting mechanism for plastic bag production is a high-efficiency and precise industrial device that significantly improves the automation level and product quality of plastic bag production through fine design and reasonable configuration.
[0022] Please refer to Figures 1-6 The limiting mechanism for plastic bag production is a device used in the field of industrial machinery technology. Accurate limiting and cutting reduce the generation of waste caused by position deviation and reduce production cost. This limiting mechanism is not only suitable for the production of plastic bags, but also can be applied to the processing of other types of plastic film and packaging materials, and has wide applicability. The limiting mechanism for plastic bag production is a high-efficiency and precise industrial device that significantly improves the automation level and product quality of plastic bag production through fine design and reasonable configuration.
[0023] The mounting plate 20 is provided with rotating blocks 21 on the outer side of the four sides at the same position. The four rotating blocks 21 are rotated on the outer side of the mounting plate 20, and the material taking range of the limiting device 11 is adjusted.
[0024] The improvement of the embodiment is that:
[0025] According to the size of different batches of plastic bags, the four rotating blocks 21 are rotated outside the mounting plate 20, the rotating blocks 21 increase the range of the limiting device 11, the adjusting assembly 2 makes the limiting device 11 better fit the plastic bags for production and taking, and the limiting device 11 is adapted to plastic bags of more sizes, and the continuity of production is improved.
[0026] In order to make the limiting device 11 adapt to different models of plastic bags for work, the mounting plate 20 is fixedly connected below the limiting device 11, four open grooves 201 are arranged outside the mounting plate 20, four rotating blocks 21 are rotatably connected to the inner walls of the four open grooves 201, sliding grooves 211 are arranged below the four rotating blocks 21, lead screws 22 are rotatably connected to the inner walls of the sliding grooves 211, moving blocks 221 are rotatably connected to the outer walls of the lead screws 22, the moving blocks 221 are slidably connected to the inner walls of the sliding grooves 211, connecting rods 23 are fixedly connected below the sliding grooves 211, vacuum suction discs 24 are fixedly connected to the lower ends of the connecting rods 23, the lead screws 22 drive the moving blocks 221 on the outer walls to slide in the inner walls of the sliding grooves 211, the sliding grooves 211 drive the connecting rods 23 below to move, the connecting rods 23 and the vacuum suction discs 24 are moved to the optimal distance according to the size of the plastic bags, the limiting device 11 is opened, the vacuum suction discs 24 are pressed to the surfaces of the plastic bags, the plastic bags are adsorbed, and the plastic bags are taken out from above the plastic bag production workbench 1.
[0027] In view of the inconvenience of rotating the lead screw 22 for the user, four first motors 25 are fixedly installed outside the four rotating blocks 21, the four first motors 25 are arranged to extend into the inner walls of the rotating blocks 21, and the output shafts are fixedly connected to the ends of the four lead screws 22, respectively, the output shafts at the ends of the four first motors 25 drive the four lead screws 22 to rotate in the inner walls of the sliding grooves 211, respectively, and the working efficiency is improved.
[0028] Considering that the size of the adjusting assembly 2 is too large when disassembling the adjusting assembly 2, it is inconvenient to carry, four extension shafts 212 are fixedly connected to the positions close to the end portions of the four rotating blocks 21, the four extension shafts 212 extend above the mounting plate 20, the outer walls of the four extension shafts 212 are rotatable in the inner wall of the mounting plate 20, the inner tooth gears 26 are fixedly connected above the four extension shafts 212, the first gears 261 are engaged with the inner wall of the inner tooth gears 26, the second gear 27 is engaged between the three first gears 261, the fixed column 28 is rotatably connected to the upper end of the second gear 27, the upper end of the three first gears 261 is rotatable below the fixed column 28, the second motor 29 is fixedly installed above the fixed column 28, the output shafts protruding into the inner wall of the fixed column 28 at the ends of the four second motors 29 are fixedly connected with the upper end of the second gear 27, the second gear 27 is driven to rotate below the fixed column 28 by the output shafts at the ends of the four second motors 29, the three first gears 261 engaged with the outer wall are driven to rotate below the fixed column 28 by the second gear 27, the inner tooth gears 26 engaged with the outer wall are driven to rotate by the three first gears 261, the extension shafts 212 at the lower ends are driven to rotate in the inner wall of the mounting plate 20 by the inner tooth gears 26, the rotating blocks 21 at the ends are driven to rotate in the inner wall of the open slot 201 by the extension shafts 212, and the rotating blocks 21 are rotated by 90 degrees away from the inner wall of the open slot 201.
[0029] Considering that the fixed column 28 is not fixed, it may affect the work of the second motor 29, the outer walls of the fixed columns 28 are fixedly connected with the fixed blocks 281, the fixed blocks 281 are inverted "L" shaped, the fixed blocks 281 are fixedly connected with the upper surfaces of the mounting plates 20 below, the fixed blocks 281 fix the displacement of the fixed columns 28, and prevent the fixed columns 28 from rotating with the output shafts at the ends of the second motors 29.
[0030] In summary, the working principle of the scheme is as follows:
[0031] The utility model discloses a limiting mechanism for plastic bag production is when using specifically, and the plastic bag is neatly stacked between the position of plastic bag production worktable 1 surface, opens four second motor 29, and four second motor 29 end portion's output shaft drives second gear 27 rotation in fixed column 28 below, and fixed block 281 fixes the displacement of fixed column 28, prevents fixed column 28 with second motor 29 end portion's output shaft rotation, and second gear 27 drive the three first gear 261 of outer wall meshing rotation in fixed column 28 below, and three first gear 261 drive the inner gear 26 of outer wall rotation, and inner gear 26 drive the extension shaft 212 of lower end rotation in mounting plate 20 inner wall, and extension shaft 212 drive the rotating block 21 of end portion rotation in open slot 201 inner wall, and rotating block 21 leave open slot 201 inner wall, and rotate 90 degrees, reach the maximum range of adjusting assembly 2, and open four first motor 25, and four first motor 25 end portion's output shaft drives screw rod 22 rotation in sliding groove 211 inner wall, and screw rod 22 drive the moving block 221 of outer wall adaptation sliding in sliding groove 211 inner wall, and sliding groove 211 movement drive the connecting rod 23 below to move, and according to the size of plastic bag, and open limiting device 11, and press vacuum adsorption tray 24 to plastic bag surface, and the plastic bag adsorption, and the plastic bag is taken out from plastic bag production worktable 1 above, and is placed to other worktable and carries out next step processing.
[0032] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A limiting mechanism for plastic bag production, comprising a workbench (1) for plastic bag production and a limiting device (11), characterized in that: The limiting device (11) below is equipped with adjusting assembly (2), adjusting assembly (2) is used for adjusting the range of taking material of limiting device (11), adjusting assembly (2) includes mounting plate (20) and rotating block (21), wherein: The rotating block (21) is rotated at the same position on the outer side of the mounting plate (20).
2. The limiting mechanism for plastic bag production according to claim 1, characterized in that: The mounting plate (20) is fixedly connected below the limiting device (11), the outer side of the mounting plate (20) is provided with four open grooves (201), four rotating blocks (21) are rotatably connected to the inner walls of the four open grooves (201), four sliding grooves (211) are arranged below the four rotating blocks (21), screw rods (22) are rotatably connected to the inner walls of the sliding grooves (211), moving blocks (221) are rotatably connected to the outer walls of the screw rods (22), the moving blocks (221) are slidably fitted to the inner walls of the sliding grooves (211), connecting rods (23) are fixedly connected below the sliding grooves (211), and vacuum suction discs (24) are fixedly connected to the lower ends of the connecting rods (23).
3. The limiting mechanism for plastic bag production according to claim 2, characterized in that: Four first motors (25) are fixedly installed on the outer sides of the four rotating blocks (21), the output shafts of the four first motors (25) are fixedly connected to the ends of the four screw rods (22), respectively.
4. The limiting mechanism for plastic bag production according to claim 2, characterized in that: Four extension shafts (212) are fixedly connected to the positions close to the ends of the four rotating blocks (21), the four extension shafts (212) extend above the mounting plate (20), the outer walls of the four extension shafts (212) are rotatably arranged in the inner walls of the mounting plate (20), inner gear wheels (26) are fixedly connected above the four extension shafts (212), three first gear wheels (261) are engaged with the inner walls of the inner gear wheels (26), a second gear wheel (27) is engaged between the three first gear wheels (261), a fixed column (28) is rotatably connected to the upper end of the second gear wheel (27), the upper ends of the three first gear wheels (261) are rotatably arranged below the fixed column (28), a second motor (29) is fixedly installed above the fixed column (28), and the output shaft of the second motor (29) extending into the inner wall of the fixed column (28) is fixedly connected to the upper end of the second gear wheel (27).
5. The limiting mechanism for plastic bag production according to claim 4, characterized in that: The outer walls of the fixed column (28) are fixedly connected with fixed blocks (281), the fixed blocks (281) are inverted "L" shaped, and the lower surfaces of the fixed blocks (281) are fixedly connected with the upper surfaces of the mounting plate (20).