Cutting equipment for plastic bag processing

Abstract

The utility model relates to the technical field of plastic bag cutting, and provides a cutting device for plastic bag processing, which comprises a bottom plate, the top of the bottom plate is provided with a first sliding chute, the inside of the first sliding chute is connected with two first sliding blocks in a relative sliding manner, and one side of the inner wall of the first sliding chute is fixedly provided with a motor; a motor is started, the motor drives a two-way lead screw to rotate in a first sliding groove and drives a first sliding block to slide in the first sliding groove in a linkage mode, a connecting plate is hinged, a mounting plate is driven to move, a tensioning roller makes contact with a plastic bag, and the tensioning roller makes contact with the plastic bag all the time through the elastic performance of a spring on the mounting plate; according to the plastic bag cutting device, a plastic bag is effectively prevented from loosening in the cutting process, a second sliding block is linked to slide in a second sliding groove in the moving process, the moving stability is effectively improved, and therefore the purpose of adjusting the tensile force of the plastic bag is achieved, and the plastic bag cutting accuracy is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag cutting, in particular to a cutting device for plastic bag processing. Background Art

[0002] Plastic bags are bags made of commonly used plastics such as polypropylene, polyester, nylon, etc. They are essential items in people's daily lives and are often used to hold other items. They are widely used because of their low cost, extremely light weight, large capacity, and easy storage. However, due to the disadvantages of extremely long degradation period and difficult disposal of plastic bags, some countries have banned their production and use.

[0003] In the prior art, it is difficult to adjust the tension of plastic bags during use. If the tension of the plastic bags is too large, the plastic bags are easily damaged. If the tension of the plastic bags is too small, wrinkles may appear on the plastic bags, affecting the cutting accuracy. Therefore, a cutting device for plastic bag processing is proposed. Utility Model Content

[0004] The utility model provides a cutting device for processing plastic bags, which solves the problem in the related art that it is difficult to adjust the tension of the plastic bags, and when the tension of the plastic bags is too large, the plastic bags are easily damaged, and when the tension of the plastic bags is too small, wrinkles appear on the plastic bags, affecting the cutting accuracy.

[0005] The technical solution of the utility model is as follows: a cutting device for processing plastic bags, comprising: a bottom plate, a first slide groove is provided on the top of the bottom plate, two first sliders are relatively slidably connected inside the first slide groove, a motor is fixedly installed on one side of the inner wall of the first slide groove, a bidirectional screw rod is fixedly connected to the output end of the motor, and the outer side wall of the bidirectional screw rod is threadedly connected to the two first sliders;

[0006] The tops of the two first sliding blocks are both hinged with a connecting plate, the tops of the connecting plates are hinged with a mounting plate, the tops of the mounting plates are fixedly mounted with a plurality of springs, the tops of the plurality of springs are commonly fixedly connected with an arc-shaped plate, and a tensioning roller is arranged inside the arc-shaped plate;

[0007] Two first fixing plates are fixedly installed on the top of the bottom plate, and second sliding grooves are provided on opposite sides of the two first fixing plates. A second sliding block is slidably connected inside the second sliding groove, and one side of the second sliding block is rotatably connected to the tensioning roller;

[0008] A material discharge mechanism is arranged on one side of the top of the bottom plate, a limiting mechanism is arranged on the other side of the top of the bottom plate, and a cutting mechanism is also arranged on the other side of the top of the bottom plate.

[0009] Preferably, the material discharging mechanism comprises two second fixed plates fixedly mounted on one side of the top of the bottom plate, and the opposite sides of the two second fixed plates are connected with a material discharging roller for common rotation.

[0010] Preferably, the limiting mechanism includes two third fixing plates fixedly mounted on the other side of the top of the bottom plate, and two transmission rollers are rotatably connected to the opposite sides of the two third fixing plates, and the two transmission rollers are arranged up and down between them.

[0011] Preferably, the cutting mechanism includes a U-shaped plate fixedly mounted on the other side of the top of the base plate, the U-shaped plate is located on one side of the two third fixed plates, two cylinders are relatively fixedly mounted on the inner top wall of the U-shaped plate, and the output ends of the two cylinders are commonly fixedly connected with a cutting knife.

[0012] Preferably, two first hanging plates are relatively fixedly installed on one side of the bottom plate, and the inner walls of the two first hanging plates are both hung with second hanging plates.

[0013] Preferably, a collection box is provided on one side of the second hanging plate, and the collection box is connected to the second hanging plate by screws.

[0014] Preferably, a plurality of supporting legs are fixedly mounted on the bottom of the base plate, and the plurality of supporting legs are distributed on both sides of the bottom of the base plate.

[0015] The working principle and beneficial effects of the utility model are:

[0016] By starting the motor, the motor drives the bidirectional lead screw to rotate inside the first slide slot, and the first slider is linked to slide inside the first slide slot, so that the connecting plate is hinged, and the mounting plate is driven to move, so that the tensioning roller contacts the plastic bag, and the elastic properties of the spring on the mounting plate are utilized to keep the tensioning roller in contact with the plastic bag at all times, effectively preventing the plastic bag from becoming loose during the cutting process, and during the movement, the second slider is linked to slide inside the second slide slot, effectively improving the stability of the movement, thereby achieving the purpose of adjusting the tensioning force of the plastic bag, and effectively improving the accuracy of plastic bag cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall side-view stereoscopic structure of the utility model;

[0020] Figure 3 It is a schematic diagram of a partial cross-sectional three-dimensional structure of the bottom plate of the utility model;

[0021] Figure 4 It is a schematic diagram of a partial three-dimensional structure of a collection box of the present utility model.

[0022] In the figure: 1. bottom plate; 2. first slide groove; 3. first slider; 4. motor; 5. bidirectional screw rod; 6. connecting plate; 7. mounting plate; 8. spring; 9. arc plate; 10. tensioning roller; 11. first fixed plate; 12. second slide groove; 13. second slider; 14. unloading mechanism; 15. limiting mechanism; 16. cutting mechanism; 17. first hanging plate; 18. second hanging plate; 19. collecting box; 20. supporting leg; 140. second fixed plate; 141. unloading roller; 150. third fixed plate; 151. transmission roller; 160. U-shaped plate; 161. cylinder; 162. cutting knife. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1 - Figure 4 A cutting device for processing plastic bags, comprising: a bottom plate 1, a first slide groove 2 is provided on the top of the bottom plate 1, two first sliders 3 are relatively slidably connected inside the first slide groove 2, a motor 4 is fixedly installed on one side of the inner wall of the first slide groove 2, a bidirectional screw rod 5 is fixedly connected to the output end of the motor 4, and the outer side wall of the bidirectional screw rod 5 is threadedly connected to the two first sliders 3;

[0026] The tops of the two first sliders 3 are both hinged with a connecting plate 6, the tops of the connecting plates 6 are hinged with a mounting plate 7, a plurality of springs 8 are fixedly mounted on the tops of the mounting plates 7, the tops of the plurality of springs 8 are commonly fixedly connected with an arc plate 9, and a tensioning roller 10 is arranged inside the arc plate 9;

[0027] Two first fixed plates 11 are fixedly installed on the top of the bottom plate 1, and second slide grooves 12 are provided on opposite sides of the two first fixed plates 11. A second slider 13 is slidably connected inside the second slide groove 12, and one side of the second slider 13 is rotatably connected to the tensioning roller 10;

[0028] A material discharge mechanism 14 is disposed on one side of the top of the bottom plate 1 , and a position limiting mechanism 15 is disposed on the other side of the top of the bottom plate 1 .

[0029] The technical scheme provided by the utility model is that by starting the motor 4, the motor 4 drives the bidirectional lead screw 5 to rotate inside the first slide groove 2, and the first slider 3 is linked to slide inside the first slide groove 2, so that the connecting plate 6 is hinged, and the mounting plate 7 is driven to move, so that the tensioning roller 10 is in contact with the plastic bag, and the elastic performance of the spring 8 on the mounting plate 7 is utilized to make the tensioning roller 10 always in contact with the plastic bag, effectively preventing the plastic bag from becoming loose during the cutting process, and in the process of moving, the second slider 13 is linked to slide inside the second slide groove 12, effectively improving the stability of the movement, thereby achieving the purpose of adjusting the tensioning force of the plastic bag, and effectively improving the accuracy of plastic bag cutting.

[0030] Furthermore, the discharge mechanism 14 includes two second fixed plates 140 fixedly installed on one side of the top of the base plate 1, and the opposite sides of the two second fixed plates 140 are rotatably connected to the discharge rollers 141. The limiting mechanism 15 includes two third fixed plates 150 fixedly installed on the other side of the top of the base plate 1, and the opposite sides of the two third fixed plates 150 are rotatably connected to two transmission rollers 151, which are arranged up and down between the two transmission rollers 151.

[0031] Specifically, the plastic bag to be cut is wound around and fixed on the unwinding roller 141, and one end of the plastic bag passes through two driving rollers 151, so as to facilitate cutting of the plastic bag.

[0032] Furthermore, two first hanging plates 17 are relatively fixedly installed on one side of the base plate 1, and the inner walls of the two first hanging plates 17 are hung with second hanging plates 18. A collection box 19 is provided on one side of the second hanging plate 18, and the collection box 19 is connected to the second hanging plate 18 by screws.

[0033] Specifically, the collecting box 19 is used to collect the cut plastic bags. By pulling the collecting box 19 upward, the second hanging plate 18 is separated from the first hanging plate 17, so that the collecting box 19 is removed from the bottom plate 1.

[0034] Furthermore, a plurality of supporting legs 20 are fixedly mounted on the bottom of the base plate 1 , and the plurality of supporting legs 20 are distributed on both sides of the bottom of the base plate 1 .

[0035] Specifically, the support legs 20 are used to support the base plate 1 , thereby effectively improving the stability of the base plate 1 .

[0036] Embodiment 2

[0037] Based on Example 1, in this embodiment: a cutting mechanism 16 is also provided on the other side of the top of the base plate 1, and the cutting mechanism 16 includes a U-shaped plate 160 fixedly installed on the other side of the top of the base plate 1, and the U-shaped plate 160 is located on one side of the two third fixed plates 150, and two cylinders 161 are relatively fixedly installed on the inner top wall of the U-shaped plate 160, and the output ends of the two cylinders 161 are commonly fixedly connected with a cutting knife 162.

[0038] The technical solution provided by this embodiment is: by starting the cylinder 161, the cylinder 161 pushes the cutting knife 162 to move downward, so as to cut the plastic bag.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cutting device for plastic bag processing, characterized in that: include: A bottom plate (1), a first slide groove (2) is provided on the top of the bottom plate (1), two first sliders (3) are relatively slidably connected inside the first slide groove (2), a motor (4) is fixedly installed on one side of the inner wall of the first slide groove (2), a bidirectional screw rod (5) is fixedly connected to the output end of the motor (4), and the outer side wall of the bidirectional screw rod (5) is threadedly connected to the two first sliders (3); The tops of the two first sliding blocks (3) are both hinged with a connecting plate (6), the tops of the connecting plates (6) are hinged with a mounting plate (7), the tops of the mounting plates (7) are fixedly mounted with a plurality of springs (8), the tops of the plurality of springs (8) are commonly fixedly connected with an arc-shaped plate (9), and a tensioning roller (10) is arranged inside the arc-shaped plate (9); Two first fixed plates (11) are fixedly installed on the top of the bottom plate (1), and second sliding grooves (12) are provided on opposite sides of the two first fixed plates (11). A second sliding block (13) is slidably connected inside the second sliding groove (12), and one side of the second sliding block (13) is rotatably connected to the tensioning roller (10); A material discharge mechanism (14) is arranged on one side of the top of the bottom plate (1), a limiting mechanism (15) is arranged on the other side of the top of the bottom plate (1), and a cutting mechanism (16) is also arranged on the other side of the top of the bottom plate (1).

2. A plastic bag processing cutting device according to claim 1, characterized in that: The material discharge mechanism (14) comprises two second fixed plates (140) fixedly mounted on one side of the top of the bottom plate (1), and the two second fixed plates (140) are rotatably connected to opposite sides with material discharge rollers (141).

3. A plastic bag processing cutting device according to claim 1, characterized in that: The limiting mechanism (15) comprises two third fixing plates (150) fixedly mounted on the other side of the top of the bottom plate (1), and two transmission rollers (151) are rotatably connected to the opposite sides of the two third fixing plates (150), and the two transmission rollers (151) are arranged up and down between them.

4. A plastic bag processing cutting device according to claim 3, characterized in that: The cutting mechanism (16) comprises a U-shaped plate (160) fixedly mounted on the other side of the top of the bottom plate (1), the U-shaped plate (160) being located on one side of the two third fixed plates (150), two cylinders (161) being relatively fixedly mounted on the inner top wall of the U-shaped plate (160), and a cutting knife (162) being fixedly connected to the output ends of the two cylinders (161) in common.

5. The cutting device for plastic bag processing according to claim 1, characterized in that: Two first hanging plates (17) are relatively fixedly mounted on one side of the bottom plate (1), and second hanging plates (18) are hung on the inner walls of the two first hanging plates (17).

6. A plastic bag processing cutting device according to claim 5, characterized in that: A collection box (19) is provided on one side of the second hanging plate (18), and the collection box (19) is connected to the second hanging plate (18) by screws.

7. A plastic bag processing cutting device according to claim 6, characterized in that: A plurality of supporting legs (20) are fixedly mounted on the bottom of the base plate (1), and the plurality of supporting legs (20) are distributed on both sides of the bottom of the base plate (1).

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