Automatic inner film sleeving machine for woven bags

Abstract

The utility model relates to the technical field of woven bags, in particular to an automatic woven bag inner film sleeving machine which comprises a rack, a movable plate, adjusting plates, a pressure plate, rollers, an air suction head and a working plate, the movable plate is arranged in the rack, a hydraulic cylinder is arranged at the input end of the movable plate, the adjusting plates are arranged on the two sides of the movable plate, and the pressure plate is arranged on the working plate. The adjusting plate is connected with the movable plate through a hinge, the pressure plate is arranged at one end of the adjusting plate, and the roller is arranged on one side of the pressure plate; a woven bag inner film can be positioned through an air suction head, when a movable plate drives the woven bag inner film to be conveyed to a designated position, the rotating direction of an adjusting plate and a pressure plate is controlled through a hinge, and when the pressure plate rotates to the diagonal position of the woven bag inner film, the woven bag inner film is expanded through a roller on one side of the pressure plate; the inner film of the woven bag can be fully attached to the woven bag, and the woven bag is prevented from being placed disorderly when sleeved with the inner film.

Description

Technical Field

[0001] The utility model relates to the technical field of woven bags, in particular to an automatic lining film machine for woven bags. Background Art

[0002] Woven bags, also known as snakeskin bags, are a type of plastic bag used for packaging. Their raw materials are generally various chemical plastic raw materials such as polyethylene and polypropylene. They are widely used in the transportation and packaging of powdered, granular, and blocky items such as food, grains, medicines, chemicals, and minerals. They are easy to load and unload, save labor, and improve efficiency. In addition, woven bags are widely used in daily use. They are often used to load and carry ordinary outer items. Therefore, the market demand potential for woven bags is very large and the development prospects are very broad. In the production process of woven bags, since woven bags are woven by warp and weft, they have poor moisture-proof and leak-proof effects, and the goods contained in them are particularly prone to deterioration and damage. Therefore, a layer of inner film is usually placed inside the woven bag.

[0003] Chinese patent publication number CN212528888U discloses an automatic inner film covering device for woven bags, including an inner film conveying device, the inner film conveying device includes a support frame, a moving belt group is fixedly installed on one side of the support frame, a moving seat is fixedly installed on the top of the support frame, a conveying clamp arm is fixedly installed on the top of the moving seat, an inner film storage seat is fixedly installed on the bottom of the moving seat, a sliding track is fixedly installed on the bottom of the inner film storage seat, a film covering working device is fixedly installed on one side of the inner film conveying device, and the film covering working device includes a workbench, a woven bag storage seat is fixedly installed on one side of the workbench, and a moving frame is fixedly installed on the bottom of the woven bag storage seat. The patent has a simple and reasonable structure and a novel design. Through the establishment of the inner film conveying device and the film covering working device, the inner film of the woven bag is automatically covered, thereby increasing the speed of the inner film installation of the woven bag, improving work efficiency, realizing the basic unmanned operation of the inner film installation of the woven bag, and reducing the labor intensity of employees.

[0004] The automatic inner film-putting device for woven bags in the above-mentioned patent and similar devices commonly found on the market have a common problem in the process of putting the inner film on the woven bag: after the inner film is directly put into the woven bag, the inner film is easily shifted, which requires workers to readjust the position of the inner film during the subsequent processing of the woven bag and the inner film, thereby increasing the workers' workload. If such adjustments are not made, the quality of the finished woven bag will often be affected, resulting in quality problems. Utility Model Content

[0005] To solve the above problems, an automatic inner film sleeving machine for woven bags is provided. The inner film of the woven bag can be positioned by a suction head. When the movable plate drives the inner film of the woven bag to be transported to a specified position, the rotation directions of the adjusting plate and the pressure plate are controlled by a hinge. When the pressure plate rotates to the diagonal corner of the inner film of the woven bag, the inner film of the woven bag is expanded by the roller on one side of the pressure plate, so that the inner film of the woven bag can be fully attached to the woven bag, avoiding the scattered placement of the woven bag when sleeving the inner film.

[0006] To solve the problems of the prior art, the utility model provides an automatic inner film sleeving machine for woven bags, which includes a frame, a movable plate, an adjusting plate, a pressure plate, a roller, a suction head and a working plate. The movable plate is arranged inside the frame. A hydraulic cylinder is arranged at the input end of the movable plate. The adjusting plates are arranged on both sides of the movable plate. The adjusting plates and the movable plate are connected by hinges. The pressure plate is arranged at one end of the adjusting plate. The roller is arranged on one side of the pressure plate. The suction head is arranged at one end of the pressure plate. An air pump connected to the suction head is arranged inside the pressure plate. The working plate is arranged on one side of the pressure plate.

[0007] Preferably, a rectangular hole is formed inside the adjusting plate. An operating plate is rotatably installed inside the rectangular hole. A lead screw penetrates through the operating plate in a threaded manner. A first bevel gear is arranged at the input end of the lead screw.

[0008] Preferably, a first connecting column is arranged at one end of the movable plate. A second connecting column connected to the working plate is arranged at one end of the first connecting column. The first connecting column and the second connecting column are connected by a vertical plate. A threaded hole matching the lead screw is formed inside the vertical plate. A working motor is arranged on one side of the first connecting column. A second bevel gear meshing with the first bevel gear is arranged at the output end of the working motor.

[0009] Preferably, a push rod is arranged at one end of the working plate. A contact is arranged at the center of the inner wall of the frame. The contact is electrically connected to the working motor.

[0010] Preferably, U-shaped plates are arranged on both sides of the working plate. A hollow cylinder is rotatably connected inside the U-shaped plate. A plug rod connected to the pressure plate is slidably connected inside the hollow cylinder.

[0011] Preferably, protective plates are symmetrically arranged on the side surface of the movable plate. The movable plate and the protective plates are connected by locking bolts. Clamping seats are arranged on both sides of the movable plate.

[0012] Preferably, guide holes are formed on both sides of the frame. Guide plates are slidably connected inside the guide holes. The guide plates are matched with the clamping seats.

[0013] The beneficial effects of the utility model compared with the prior art are:

[0014] 1. The inner film of the woven bag can be positioned through the suction head, which avoids the movement of the inner film of the woven bag during the movement process, saving a certain amount of time for the subsequent film covering of the woven bag. When the movable plate drives the inner film of the woven bag to be transported to the designated position, the rotation direction of the adjusting plate and the pressure plate is controlled through the hinge. The inner film of the woven bag is expanded through the roller on one side of the pressure plate, so that the four corners of the inner film of the woven bag are in full contact with the four corners of the woven bag, which is beneficial to the subsequent processing of the woven bag and convenient for the daily use of users. It effectively utilizes the internal space of the woven bag and also ensures the service life of the inner film of the woven bag to a certain extent, avoiding damage to the inner film when loading goods.

[0015] 2. The guide plate is installed under the action of the card seat, enabling the guide plate to slide horizontally inside the guide hole, which can improve the movement stability of the movable plate and the guide plate. The disassembly and assembly of the protection plate can be realized through the locking bolt, and the safety of the structure can be improved through the protection plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the connection structure between the operation board and the lead screw of an automatic inner film sleeving machine for woven bags.

[0017] Figure 2 It is a schematic diagram of the overall structure of an automatic inner film sleeving machine for woven bags.

[0018] Figure 3 It is a schematic diagram of the overall movement structure of an automatic inner film sleeving machine for woven bags.

[0019] Figure 4 It is a schematic diagram of the connection structure between the first bevel gear and the second bevel gear of an automatic inner film sleeving machine for woven bags.

[0020] The reference numerals in the figure are: 1, frame; 2, movable plate; 3, adjusting plate; 4, pressure plate; 5, roller; 6, suction head; 7, working plate; 8, operation board; 9, lead screw; 10, first bevel gear; 11, first connecting column; 12, second connecting column; 13, vertical plate; 14, second bevel gear; 15, hollow cylinder; 16, insertion rod; 17, protection plate; 18, guide hole; 19, guide plate; 20, contact point. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] In order to further understand the features, technical means, and the specific purposes and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0022] Please refer to Figures 1 to 4, An automatic inner film sleeving machine for woven bags, comprising a frame 1, a movable plate 2, an adjusting plate 3, a pressure plate 4, rollers 5, a suction head 6 and a working plate 7. The movable plate 2 is arranged inside the frame 1. A hydraulic cylinder is arranged at the input end of the movable plate 2. The adjusting plates 3 are arranged on both sides of the movable plate 2. The adjusting plates 3 are connected to the movable plate 2 through hinges. The pressure plate 4 is arranged at one end of the adjusting plate 3. The rollers 5 are arranged on one side of the pressure plate 4. The suction head 6 is arranged at one end of the pressure plate 4. A pneumatic pump connected to the suction head 6 is arranged inside the pressure plate 4. The working plate 7 is arranged on one side of the pressure plate 4.

[0023] Install the movable plate 2 inside the frame 1 and connect the movable plate 2 to the hydraulic cylinder at the same time. When the hydraulic cylinder works, the horizontal direction of the movable plate 2 can be adjusted. When the movable plate 2 moves, it drives the suction head 6 to move. The inner film of the woven bag can be positioned through the suction head 6, which is convenient for transporting the inner film of the woven bag. When the movable plate 2 drives the inner film of the woven bag to be transported to the designated position, first fix the inner film of the woven bag and the woven bag, and then rotate the adjusting plate 3 under the action of the hinge. When the adjusting plate 3 rotates, it drives the pressure plate 4. When the pressure plate 4 is adjusted to the designated position, the inner film of the woven bag can be expanded through the rollers 5 on one side of the pressure plate 4, so that the inner film of the woven bag can be fully attached to the woven bag, improving the quality of the film sleeving of the woven bag.

[0024] As Figure 1 and Figure 2 As shown in the figure, a rectangular hole is opened inside the adjusting plate 3, and an operating plate 8 is rotatably installed inside the rectangular hole. A lead screw 9 is threadedly penetrated through the operating plate 8, and a first bevel gear 10 is arranged at the input end of the lead screw 9.

[0025] The operating plate 8 is rotatably installed under the action of the rectangular hole. When the first bevel gear 10 works, the lead screw 9 can be rotated. The lead screw 9 is threadedly penetrated through the operating plate 8, which is convenient for rotating the operating plate 8 and the adjusting plate 3.

[0026] As Figure 1 and Figure 4 As shown in the figure, a first connecting column 11 is arranged at one end of the movable plate 2. A second connecting column 12 connected to the working plate 7 is arranged at one end of the first connecting column 11. The first connecting column 11 and the second connecting column 12 are connected through a vertical plate 13. A threaded hole matching the lead screw 9 is opened inside the vertical plate 13. A working motor is arranged on one side of the first connecting column 11, and a second bevel gear 14 meshing with the first bevel gear 10 is arranged at the output end of the working motor.

[0027] The first connecting column 11 and the second connecting column 12 are installed through the vertical plate 13. When the working motor is started, the working motor drives the second bevel gear 14 to rotate. The second bevel gear 14 meshes with the first bevel gear 10, enabling the rotation of the lead screw 9. Thus, it is convenient to adjust the rotation direction of the adjusting plate 3, and the rotation stability of the lead screw 9 can be improved under the action of the vertical plate 13.

[0028] As Figure 2 and Figure 4 shown, a push rod is provided at one end of the working plate 7, and a contact 20 is provided at the center of the inner wall of the frame 1. The contact 20 is electrically connected to the working motor.

[0029] When the working plate 7 horizontally moves to the specified position, the push rod contacts the contact 20, and the working motor can be controlled through the contact 20 to facilitate the adjustment of the rotation condition of the pressure plate 4.

[0030] As Figure 1 shown, U-shaped plates are provided on both sides of the working plate 7. A hollow cylinder 15 is rotatably connected inside the U-shaped plate, and a plug rod 16 connected to the pressure plate 4 is slidably connected inside the hollow cylinder 15.

[0031] When the pressure plate 4 rotates, the pressure plate 4 drives the plug rod 16 to slide inside the hollow cylinder 15, and the hollow cylinder 15 rotates under the action of the U-shaped plate, which can improve the stability of the pressure plate 4.

[0032] As Figure 1 shown, protective plates 17 are symmetrically provided on the side surface of the movable plate 2. The movable plate 2 and the protective plates 17 are connected by locking bolts, and clamping seats are provided on both sides of the movable plate 2.

[0033] The disassembly and assembly of the protective plates 17 can be realized through the locking bolts, and the safety of the structure can be improved through the protective plates 17.

[0034] As Figure 1 and Figure 3 shown, guide holes 18 are provided on both sides of the frame 1. A guide plate 19 is slidably connected inside the guide holes 18, and the guide plate 19 is matched with the clamping seats.

[0035] The guide plate 19 is installed under the action of the clamping seats, and the guide plate 19 horizontally slides inside the guide holes 18, which can improve the movement stability of the movable plate 2 and the guide plate 19.

[0036] The above embodiments merely represent one or several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the appended claims.

Claims

1. An automatic lining machine for woven bags, characterized in that: The invention comprises a frame (1), a movable plate (2), an adjustment plate (3), a pressure plate (4), a roller (5), an air suction head (6) and a working plate (7), wherein the movable plate (2) is arranged inside the frame (1), an input end of the movable plate (2) is provided with a hydraulic cylinder, the adjustment plate (3) is arranged on both sides of the movable plate (2), the adjustment plate (3) and the movable plate (2) are connected via a hinge, the pressure plate (4) is arranged at one end of the adjustment plate (3), the roller (5) is arranged on one side of the pressure plate (4), the air suction head (6) is arranged at one end of the pressure plate (4), an air pump connected to the air suction head (6) is arranged inside the pressure plate (4), and the working plate (7) is arranged on one side of the pressure plate (4).

2. The automatic lining machine for woven bags according to claim 1, characterized in that: A rectangular hole is provided inside the adjustment plate (3), an operating plate (8) is rotatably mounted inside the rectangular hole, a screw rod (9) penetrates the internal thread of the operating plate (8), and a first bevel gear (10) is provided at the input end of the screw rod (9).

3. The automatic lining machine for woven bags according to claim 1, characterized in that: A first connecting column (11) is provided at one end of the movable plate (2), a second connecting column (12) connected to the working plate (7) is provided at one end of the first connecting column (11), the first connecting column (11) and the second connecting column (12) are connected via a vertical plate (13), a thread hole matching the screw rod (9) is provided inside the vertical plate (13), a working motor is provided on one side of the first connecting column (11), and a second bevel gear (14) meshing with the first bevel gear (10) is provided at the output end of the working motor.

4. The automatic lining machine for woven bags according to claim 3, characterized in that: A push rod is provided at one end of the working plate (7), and a contact (20) is provided at the center of the inner wall of the frame (1), wherein the contact (20) is electrically connected to the working motor.

5. The automatic lining machine for woven bags according to claim 1, characterized in that: U-shaped plates are provided on both sides of the working plate (7), a hollow cylinder (15) is rotatably connected inside the U-shaped plate, and a plug rod (16) connected to the pressure plate (4) is slidably connected inside the hollow cylinder (15).

6. The automatic lining machine for woven bags according to claim 1, characterized in that: Protective plates (17) are symmetrically arranged on the side surfaces of the movable plate (2); the movable plate (2) and the protective plate (17) are connected via locking bolts; and sockets are arranged on both sides of the movable plate (2).

7. The automatic lining machine for woven bags according to claim 6, characterized in that: Both sides of the frame (1) are provided with guide holes (18), the interior of the guide holes (18) is slidably connected with guide plates (19), and the guide plates (19) match the card seat.

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