Automatic PE plastic bag making device

Abstract

The utility model discloses an automatic PE plastic bag making device, and relates to the technical field of PE plastic bag making, the automatic PE plastic bag making device comprises a base, the four corners of the lower end of the base are fixedly provided with supporting columns, the left side edge of the upper end of the base is provided with a first rectangular groove, and the interior of the first rectangular groove is rotatably connected with a bidirectional threaded rod; a first motor is fixedly mounted at the front end of the base, a first electric telescopic rod drives a movable block to move downwards in a second rectangular groove, so that second rotating rods are driven to move downwards, an upper pressing roller between the two second rotating rods moves downwards, and the upper pressing roller is matched with a lower pressing roller to flatten a PE adhesive tape; the compression spring arranged at the lower end of the movable block can adjust the pressure of the upper compression roller, so that the upper compression roller is suitable for PE plastic bags with different thicknesses or elasticity, the uniform flattening effect is ensured, the plastic bags are not damaged, the surface of the PE adhesive tape is smooth in the sealing process, and the sealing performance of bag making is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PE plastic bag making, in particular to an automatic PE plastic bag making device. Background Art

[0002] PE plastic bags are made of polyethylene, a common plastic material with good toughness and softness. They are often used to package vegetables, fruits, candies, bread and other foods to keep them fresh and hygienic.

[0003] PE tape needs to be cut during the bag making process. Wrinkles may appear when the PE tape is cut. The wrinkles will cause the surface of the tape to be uneven, and it may not be completely sealed during sealing, thus affecting the sealing performance of the bag. Based on this, this solution provides an automatic PE plastic bag making device to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the above technical problems, a PE plastic bag automatic bag making device is provided. The technical solution solves the problem that the PE tape proposed in the above background technology needs to be cut during the bag making process, and wrinkles may appear when the PE tape is cut. The wrinkles will cause the surface of the tape to be uneven, and the tape may not be completely sealed during sealing, thereby affecting the sealing performance of the bag making.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is: an automatic PE plastic bag making device, comprising a base, wherein support columns are fixedly installed at the four corners of the lower end of the base, a first rectangular groove is opened at the left edge of the upper end of the base, a bidirectional threaded rod is rotatably connected inside the first rectangular groove, a first motor is fixedly installed at the front end of the base, an output end of the first motor penetrates into the first rectangular groove and is fixedly connected to the front end of the bidirectional threaded rod, both end surfaces of the bidirectional threaded rod are threadedly connected with moving blocks, the upper ends of the two moving blocks are fixedly connected with moving plates, the inner sides of the two moving plates are rotatably connected with the first rotating rod, a plastic bag discharge roller is arranged between the two first rotating rods, a slot is opened on the inner side of the first rotating rod, and plug blocks adapted to the slot are fixedly installed at the front and rear ends of the plastic bag discharge roller, the plug blocks are plugged into the inside of the slot, and a flattening component is arranged at the upper end of the base;

[0006] Among them, the flattening assembly includes two mounting plates, the two mounting plates are respectively mounted on the front and rear sides of the upper end of the base, a lower pressure roller is rotatably connected between the two mounting plates, a second motor is fixedly mounted on the front end of the front mounting plate, an output end of the second motor passes through the front mounting plate and is fixedly connected to the front end of the lower pressure roller, a second rectangular groove is opened on the inner side of the mounting plate, a first electric telescopic rod is fixedly mounted on the top end of the second rectangular groove, a movable block is fixedly connected to the output end of the first electric telescopic rod, the inner sides of the two movable blocks are rotatably connected to the second rotating rods, and an upper pressure roller is rotatably connected between the two second rotating rods.

[0007] Preferably, slide grooves are provided on both sides of the left and right sides of the second rectangular groove, and sliders are fixedly connected to both ends of the left and right ends of the movable block. The sliders are slidably connected to the inside of the slide grooves, and a compression spring is fixedly installed at the lower end of the movable block, and the other end of the compression spring is fixedly installed at the bottom end of the second rectangular groove.

[0008] Preferably, four fixing plates are fixedly installed on the right side of the upper end of the base, and a rotating roller is rotatably connected between the front and rear fixing plates.

[0009] Preferably, a third motor is fixedly installed on the outer side of the fixed plate on the right side of the front end, the output end of the third motor passes through the fixed plate on the right side of the front end and is fixedly connected to the rotating roller at the right end, and a crawler belt is transmission-connected between the two rotating rollers.

[0010] Preferably, extension plates are fixedly connected to the right sides of the front and rear ends of the base, the upper ends of the two extension plates are fixedly connected to vertical plates, and the upper ends of the two vertical plates are fixedly connected to horizontal plates.

[0011] Preferably, a second electric telescopic rod is fixedly installed on the lower end of the horizontal plate, an output end of the second electric telescopic rod is fixedly connected to a mounting seat, a cutting knife is fixedly installed on the left side of the lower end of the mounting seat, and a sealing device is fixedly installed on the right side of the lower end of the mounting seat.

[0012] Compared with the prior art, the utility model provides a PE plastic bag automatic bag making device, which has the following

[0013] Beneficial effects:

[0014] The utility model drives the movable block to move downward inside the second rectangular groove through the first electric telescopic rod, thereby driving the second rotating rod to move downward, and the upper pressing roller between the two second rotating rods moves downward, and the upper pressing roller cooperates with the lower pressing roller to flatten the PE tape. The compression spring arranged at the lower end of the movable block can adjust the pressure of the upper pressing roller to adapt to PE plastic bags of different thicknesses or elasticities, ensuring uniform flattening effect without damaging the plastic bags, and smoothing the surface of the PE tape during the sealing process, thereby improving the sealing performance of bag making. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is an exploded view of the plug-in block and the slot in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the sealing device in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the flattening component in the utility model;

[0019] Figure 5 It is a front side sectional view of the mounting plate in the utility model;

[0020] Figure 6 for Figure 5 A local enlarged schematic diagram of point A in the middle.

[0021] The numbers in the figure are:

[0022] 1. Base; 2. Support column; 3. First rectangular groove; 4. Bidirectional threaded rod; 5. Moving block; 6. Moving plate; 7. First rotating rod; 8. Slot; 9. Plastic bag unloading roller; 10. First motor;

[0023] 11. Flattening assembly; 1101. Mounting plate; 1102. Lower pressure roller; 1103. Second rectangular groove; 1104. First electric telescopic rod; 1105. Movable block; 1106. Sliding block; 1107. Sliding groove; 1108. Second rotating rod; 1109. Compression spring; 1110. Upper pressure roller; 1111. Second motor;

[0024] 12. Extension plate; 13. Vertical plate; 14. Horizontal plate; 15. Second electric telescopic rod; 16. Cutting knife; 17. Sealing device; 18. Fixed plate; 19. Rotating roller; 20. Crawler track; 21. Third motor; 22. Mounting seat; 23. Insert block. DETAILED DESCRIPTION

[0025] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0026] Reference Figure 1-6As shown, an automatic PE plastic bag making device comprises a base 1, support columns 2 are fixedly installed at the four corners of the lower end of the base 1, a first rectangular groove 3 is opened at the left edge of the upper end of the base 1, a bidirectional threaded rod 4 is rotatably connected inside the first rectangular groove 3, a first motor 10 is fixedly installed at the front end of the base 1, the output end of the first motor 10 penetrates into the first rectangular groove 3 and is fixedly connected to the front end of the bidirectional threaded rod 4, both end surfaces of the bidirectional threaded rod 4 are threadedly connected with moving blocks 5, and the upper ends of the two moving blocks 5 are fixed A movable plate 6 is connected, and the inner sides of the two movable plates 6 are rotatably connected with a first rotating rod 7. A plastic bag discharge roller 9 is arranged between the two first rotating rods 7. A slot 8 is provided on the inner side of the first rotating rod 7. The plastic bag discharge roller 9 is conveniently installed and disassembled by using the plug block 23 and the slot 8. The front and rear ends of the plastic bag discharge roller 9 are fixedly installed with plug blocks 23 adapted to the slot 8. The plug block 23 is plugged into the inside of the slot 8. A flattening component 11 is arranged on the upper end of the base 1. The flattening component 11 is located on the right side of the plastic bag discharge roller 9. The flattening assembly 11 includes two mounting plates 1101, which are respectively mounted on the front and rear sides of the upper end of the base 1, and a lower pressing roller 1102 is rotatably connected between the two mounting plates 1101, and the lower pressing roller 1102 is located below the second rectangular groove 1103. A second motor 1111 is fixedly mounted on the front end of the front mounting plate 1101, and the output end of the second motor 1111 passes through the front mounting plate 1101 and is fixedly connected to the front end of the lower pressing roller 1102. When the upper pressing roller 1110 and the lower pressing roller 1102 clamp the adhesive When the bag is filled and a certain pressure is applied, the rotation of the lower pressure roller 1102 will generate friction, which will push the plastic bag to move to the right. A second rectangular groove 1103 is opened on the inner side of the mounting plate 1101, and a first electric telescopic rod 1104 is fixedly installed on the top of the second rectangular groove 1103. A movable block 1105 is fixedly connected to the output end of the first electric telescopic rod 1104. The inner sides of the two movable blocks 1105 are both rotatably connected to second rotating rods 1108, and an upper pressure roller 1110 is rotatably connected between the two second rotating rods 1108.

[0027] Reference Figure 3-6As shown, the left and right sides of the second rectangular groove 1103 are provided with slide grooves 1107, and the left and right ends of the movable block 1105 are fixedly connected with sliders 1106. The sliders 1106 slide in the slide grooves 1107 so that the movable block 1105 can move stably inside the second rectangular groove. The sliders 1106 are slidably connected to the inside of the slide grooves 1107. The lower end of the movable block 1105 is fixedly installed with a compression spring 1109. The compression spring 1109 can adjust the pressure of the upper pressing roller 1110 to adapt it to PE plastic bags of different thicknesses or elasticities, ensuring uniform flattening without damaging the plastic bags. The other end of the compression spring 1109 is fixedly installed at the bottom end of the second rectangular groove 1103. Four fixed plates 18 are fixedly installed on the right side of the upper end of the base 1. A rotating roller 19 is rotatably connected between the front and rear fixed plates 18. The front right fixed plate 18 A third motor 21 is fixedly installed on the outside, and the output end of the third motor 21 passes through the front right side fixed plate 18 and is fixedly connected to the right end rotating roller 19, and a crawler 20 is drivingly connected between the two rotating rollers 19. Extension plates 12 are fixedly connected to the right sides of the front and rear ends of the base 1, and the upper ends of the two extension plates 12 are fixedly connected to the vertical plates 13, and the upper ends of the two vertical plates 13 are fixedly connected to the horizontal plates 14, and the lower end of the horizontal plate 14 is fixedly installed with a second electric telescopic rod 15, and the output end of the second electric telescopic rod 15 is fixedly connected to the mounting seat 22, and a cutting knife 16 is fixedly installed on the left side of the lower end of the mounting seat 22. When the cutting knife 16 cuts the PE plastic bag, the sealing device 17 seals the cut PE plastic bag, and a sealing device 17 is fixedly installed on the right side of the lower end of the mounting seat 22, and the sealing device 17 is used to seal the flattened PE plastic bag.

[0028] The working principle and use process of the utility model are as follows: when in use, the first motor 10 drives the bidirectional threaded rod 4 to rotate, and the bidirectional threaded rod 4 drives the two moving blocks 5 on the surface to move to the front and rear sides, so that the slot 8 inside the first rotating rod 7 and the plug-in blocks 23 at the front and rear ends of the plastic bag feeding roller 9 are plugged in. After the plugging is completed, one end of the plastic bag is passed between the upper pressure roller 1110 and the lower pressure roller 1102, and the first electric telescopic rod 1104 drives the movable block 1105 to move downward, exerting pressure on the upper surface of the plastic bag, and utilizing the squeezing of the upper pressure roller 1110 and the lower pressure roller 1102 to press the PE plastic bag. The lower pressing roller 1102 rotates under the drive of the second motor 1111. When the upper pressing roller 1110 and the lower pressing roller 1102 clamp the plastic bag and apply a certain pressure, the rotation of the lower pressing roller 1102 will generate friction, which will push the plastic bag to move to the right along the crawler 20. When the PE plastic bag moves to the bottom of the mounting seat 22, the second electric telescopic rod 15 drives the mounting seat 22 to move downward, and the cutting knife 16 can be used to cut the PE plastic bag, and the sealing device 17 can seal the cut PE plastic bag, and it moves to the right for collection under the movement of the crawler 20.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A PE plastic bag automatic bag making device, characterized by: The invention comprises a base (1), wherein support columns (2) are fixedly installed at the four corners of the lower end of the base (1), a first rectangular groove (3) is provided at the left edge of the upper end of the base (1), a bidirectional threaded rod (4) is rotatably connected inside the first rectangular groove (3), a first motor (10) is fixedly installed at the front end of the base (1), an output end of the first motor (10) penetrates into the first rectangular groove (3) and is fixedly connected to the front end of the bidirectional threaded rod (4), and moving blocks are threadedly connected to the surfaces of both ends of the bidirectional threaded rod (4) (5), the upper ends of the two moving blocks (5) are fixedly connected with a moving plate (6), the inner sides of the two moving plates (6) are rotatably connected with a first rotating rod (7), a plastic bag discharge roller (9) is provided between the two first rotating rods (7), a slot (8) is provided on the inner side of the first rotating rod (7), and plug blocks (23) adapted to the slot (8) are fixedly installed at the front and rear ends of the plastic bag discharge roller (9), the plug blocks (23) are plugged into the inside of the slot (8), and a flattening component (11) is provided at the upper end of the base (1); The flattening assembly (11) comprises two mounting plates (1101), the two mounting plates (1101) are respectively mounted on the front and rear sides of the upper end of the base (1), a lower pressing roller (1102) is rotatably connected between the two mounting plates (1101), a second motor (1111) is fixedly mounted at the front end of the front mounting plate (1101), an output end of the second motor (1111) passes through the front mounting plate (1101) and is fixedly connected to the front end of the lower pressing roller (1102). A second rectangular groove (1103) is provided on the inner side of the mounting plate (1101); a first electric telescopic rod (1104) is fixedly installed on the top of the second rectangular groove (1103); a movable block (1105) is fixedly connected to the output end of the first electric telescopic rod (1104); the inner sides of the two movable blocks (1105) are both rotatably connected to second rotating rods (1108); and an upper pressure roller (1110) is rotatably connected between the two second rotating rods (1108).

2. The automatic PE plastic bag making device according to claim 1 is characterized by: The left and right sides of the second rectangular groove (1103) are provided with sliding grooves (1107), the left and right ends of the movable block (1105) are fixedly connected with sliders (1106), the sliders (1106) are slidably connected to the inside of the sliding grooves (1107), and the lower end of the movable block (1105) is fixedly installed with a compression spring (1109), and the other end of the compression spring (1109) is fixedly installed at the bottom end of the second rectangular groove (1103).

3. The automatic PE plastic bag making device according to claim 1 is characterized by: Four fixed plates (18) are fixedly installed on the right side of the upper end of the base (1), and a rotating roller (19) is rotatably connected between the front and rear fixed plates (18).

4. The automatic PE plastic bag making device according to claim 3 is characterized by: A third motor (21) is fixedly mounted on the outer side of the front right side fixed plate (18), the output end of the third motor (21) passes through the front right side fixed plate (18) and is fixedly connected to the right end rotating roller (19), and a crawler belt (20) is transmission-connected between the two rotating rollers (19).

5. The automatic PE plastic bag making device according to claim 1 is characterized by: Extension plates (12) are fixedly connected to the right sides of the front and rear ends of the base (1), the upper ends of the two extension plates (12) are fixedly connected to vertical plates (13), and the upper ends of the two vertical plates (13) are fixedly connected to horizontal plates (14).

6. The automatic PE plastic bag making device according to claim 5 is characterized by: A second electric telescopic rod (15) is fixedly mounted on the lower end of the transverse plate (14); an output end of the second electric telescopic rod (15) is fixedly connected to a mounting seat (22); a cutting knife (16) is fixedly mounted on the left side of the lower end of the mounting seat (22); and a sealing device (17) is fixedly mounted on the right side of the lower end of the mounting seat (22).

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