CN221089136U

CN221089136U - Shearing device for polyethylene plastic

Info

Publication number: CN221089136U
Application number: CN202323085155.3U
Authority: CN
Inventors: 吕耀强
Original assignee: Tianjin Xianghe Plastic Technology Co ltd
Current assignee: Tianjin Xianghe Plastic Technology Co ltd
Filing date: 2023-11-15
Publication date: 2024-06-07
Anticipated expiration: 2033-11-15

Abstract

The utility model provides a shearing device for polyethylene plastic, and belongs to the technical field of polyethylene plastic shearing. The shearing device for the polyethylene plastic comprises a workbench, two pressing mechanisms are arranged, each pressing mechanism comprises a connecting plate, a first spring and a pressing plate, the connecting plates are arranged at the top of the workbench, the first springs are fixedly arranged at the bottoms of the connecting plates, and the pressing plates are fixedly arranged at the bottoms of the first springs. According to the utility model, the plastic film passes through the space between the first rolling shaft and the second rolling shaft by arranging the pressing mechanism, the plastic film is pulled until reaching the preset position, the hydraulic rod is started to drive the cutting knife to move downwards, the pressing plate firstly contacts the plastic film to press the plastic film, so that the plastic film is pressed, and then the cutting knife cuts the plastic film, so that the problems of cutting and unevenness caused by pulling of the cutting knife after the plastic film is cut are avoided.

Description

Shearing device for polyethylene plastic

Technical Field

The utility model relates to the technical field of polyethylene plastic shearing, in particular to a shearing device for polyethylene plastic.

Background

Polyethylene is a common plastic material which has high chemical stability, good electrical insulation, low water absorption, excellent wear resistance and impact resistance, and also has good processability, and can be manufactured into various shaped products by blow molding, injection molding, extrusion and other methods, and polyethylene is commonly used for manufacturing plastic films for daily life of people.

The cutting of prior art equipment to plastic film is usually directly carried out through the cutting knife, however because the characteristic of polyethylene is because the pulling of cutting knife when cutting, often with the unevenness of plastic film cutting, influence subsequent use, and in order to be convenient for transport, plastic film utilizes the wind-up roll rolling generally, need carry out spacingly to the wind-up roll earlier before cutting, but the length of wind-up roll is different, and prior art equipment is inconvenient for the staff to carry out spacingly to the wind-up roll of different length.

Disclosure of utility model

In order to overcome the above disadvantages, the present utility model provides a shearing device for polyethylene plastics, which overcomes or at least partially solves the above technical problems.

The utility model is realized in the following way:

the utility model provides a shearing device for polyethylene plastic, which comprises a workbench,

The two compressing mechanisms are arranged, the compressing mechanism comprises,

The connecting plate is arranged at the top of the workbench;

the first spring is fixedly arranged at the bottom of the connecting plate;

The compressing plate is fixedly arranged at the bottom of the first spring;

The limiting rod is fixedly arranged at the top of the pressing plate and penetrates through the top of the connecting plate;

The limiting shell is fixedly arranged at the top of the limiting rod;

The adjusting mechanism is arranged at the top of the workbench and is symmetrically provided with two adjusting mechanisms.

In a preferred embodiment, the adjustment mechanism comprises,

The clamping rod is slidably arranged at the top of the workbench;

The sliding groove is formed in the top of the workbench;

The sliding block is slidably arranged in the sliding groove, and the top of the sliding block is fixedly connected with the bottom of the clamping rod.

In a preferred scheme, the top fixed mounting of workstation has the support frame, the top fixed mounting of support frame has the hydraulic stem, the output of hydraulic stem runs through to the bottom of support frame, and fixed mounting has the cutting knife, both sides all fixed mounting have a plurality of connecting axle around the cutting knife, a plurality of the connecting axle respectively with two connecting plates fixed connection.

In a preferred scheme, the top fixed mounting of workstation has the backup pad, the front side of backup pad rotates and installs two bull sticks, two the inside of bull stick all overlaps and is equipped with the guiding axle.

In a preferred scheme, the front sides of the two clamping rods are respectively provided with a guide groove, and the two guide grooves are respectively sleeved on the surfaces of the two guide shafts and are in sliding connection with the guide shafts.

In a preferred scheme, the limiting groove is formed in the front side of the supporting plate, a limiting block is slidably mounted in the limiting groove, and a pressing block is fixedly mounted on the front side of the limiting block.

In a preferred scheme, the top of workstation fixed mounting has the link, the inner wall of link is rotated and is installed first roller bearing, the top of workstation is rotated and is installed the second roller bearing.

In a preferred scheme, the top of workstation has seted up the adaptation groove, two the centre gripping groove has been seted up to the opposite one side of clamping lever, two fixed mounting has the second spring between the clamping lever.

The utility model provides a shearing device for polyethylene plastic, which has the beneficial effects that:

1. Through setting up hold-down mechanism, pass plastic film from between first roller bearing and the second roller bearing, pulling plastic film is until reaching preset position, starts the hydraulic stem, drives cutting knife downwardly moving, and the pressure strip contacts plastic film earlier, causes the extrusion to plastic film, makes plastic film compressed tightly, then the cutting knife cuts plastic film to avoid plastic film to be cut the back because the pulling of cutting knife leads to the cutting, uneven problem.

2. Through setting up adjustment mechanism, the downward movement presses the briquetting, causes the extrusion to the bull stick, makes two bull sticks rotate to opposite direction through the cooperation of backup pad, makes the clamping lever to opposite direction removal through the cooperation of guiding axle and guide way, aligns the clamping groove with the both sides of wind-up roll and puts into, causes the centre gripping to the wind-up roll through the resilience force of second spring to this adapts to the wind-up roll of different length, makes the wind-up roll of different length that the staff can be convenient carry out spacingly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is an overall schematic diagram providing a left-hand view of an embodiment of the present utility model;

FIG. 3 is an overall schematic diagram providing a bottom view according to an embodiment of the present utility model;

Fig. 4 is a partial enlarged view of fig. 3 a according to an embodiment of the present utility model.

In the figure: 1. a work table; 2. a compressing mechanism; 201. a connecting plate; 202. a first spring; 203. a compacting plate; 3. a limit rod; 4. a limit shell; 5. an adjusting mechanism; 501. a clamping rod; 502. a chute; 503. a slide block; 6. a support frame; 7. a hydraulic rod; 8. a cutting knife; 9. a connecting shaft; 10. a support plate; 11. a rotating rod; 12. a guide shaft; 13. a guide groove; 14. a limit groove; 15. a limiting block; 16. a connecting frame; 17. a first roller; 18. a second roller; 19. an adaptation groove; 20. a clamping groove; 21. pressing the blocks; 22. and a second spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a shearing mechanism for polyethylene plastics, comprises a workbench 1, hold-down mechanism 2 is provided with two, hold-down mechanism 2 includes connecting plate 201, first spring 202 and hold-down plate 203, connecting plate 201 sets up at the top of workstation 1, first spring 202 fixed mounting is in the bottom of connecting plate 201, hold-down plate 203 fixed mounting is in the bottom of first spring 202, gag lever post 3 fixed mounting is at the top of hold-down plate 203, gag lever post 3 runs through to the top of connecting plate 201, spacing shell 4 fixed mounting is at the top of gag lever post 3, adjustment mechanism 5 sets up at the top of workstation 1, and the symmetry is provided with two, the top fixed mounting of workstation 1 has support frame 6, the top fixed mounting of support frame 6 has hydraulic stem 7, the output of hydraulic stem 7 runs through to the bottom of support frame 6, and fixed mounting has cutting knife 8, both sides all fixed mounting have a plurality of connecting axle 9 around cutting knife 8, the connecting shafts 9 are fixedly connected with the two connecting plates 201 respectively, the top of the workbench 1 is provided with the adapting groove 19, one side opposite to the two clamping rods 501 is provided with the clamping groove 20, a second spring 22 is fixedly arranged between the two clamping rods 501, the plastic film passes through the space between the first rolling shaft 17 and the second rolling shaft 18 through the arrangement of the pressing mechanism 2, the plastic film is continuously pulled until reaching the preset position, the hydraulic rod 7 is started to drive the cutting knife 8 to move downwards, the pressing plate 203 firstly contacts the plastic film to extrude the plastic film, so that the plastic film is pressed, and then the cutting knife 8 cuts the plastic film, thereby avoiding the problems of cutting and unevenness caused by the pulling of the cutting knife 8 after the plastic film is cut;

Referring to fig. 1-4, adjustment mechanism 5 includes grip lever 501, spout 502 and slider 503, grip lever 501 slidable mounting is at the top of workstation 1, the top at workstation 1 is seted up to spout 502, slider 503 slidable mounting is in the inside of spout 502, the top of slider 503 and the bottom fixed connection of grip lever 501, the top fixed mounting of workstation 1 has backup pad 10, two bull stick 11 are installed in the front side rotation of backup pad 10, the inside of two bull stick 11 all overlaps and is equipped with guiding axle 12, guiding groove 13 has all been seted up to the front side of two grip levers 501, two guiding grooves 13 cover are established respectively on the surface of two guiding axles 12, and with guiding axle 12 sliding connection, limit groove 14 has been seted up to the front side of backup pad 10, limit groove 14's inside slidable mounting has stopper 15, the front side fixed mounting of stopper 15 has press piece 21, the top fixed mounting of workstation 1 has link 16, the inner wall rotation of link 16 installs first roller 17, the top rotation of workstation 1 has second roller 18, through setting up adjustment mechanism 5, move down press piece 21, make the back press piece 11 to the back roller 11 to the opposite direction of the back roller pair of rotation of support pad 10, make the opposite sides make the opposite direction of the roller pair of the roller that makes the back roller that the back roller to make the two guide shafts to make the opposite, the opposite direction of the opposite roller pair of rotation of the roller to make the opposite, the opposite roller length of the opposite roller is opposite, the winding staff is opposite to make the opposite the winding roller is matched with the length through the two guide roller 12, and can make the opposite direction of the roller through the roller, and the opposite direction of the roller is opposite to make the roller, and can make the opposite roller.

Specifically, the working process or working principle of the shearing device for polyethylene plastic is as follows: when the plastic film cutting machine is used, the pressing block 21 is moved downwards to extrude the rotating rods 11, the two rotating rods 11 rotate in opposite directions through the cooperation of the supporting plate 10, the clamping rods 501 move in opposite directions through the cooperation of the guide shafts 12 and the guide grooves 13, at the moment, the two sides of the winding roller are aligned with the clamping grooves 20, after the plastic film is completely put into the winding machine, the pressing block 21 is loosened, the winding roller is clamped through the resilience force of the second spring 22, the plastic film passes through the space between the first rolling shaft 17 and the second rolling shaft 18, the plastic film is pulled continuously until the preset position is reached, the hydraulic rod 7 is started to drive the cutting knife 8 to move downwards, and the pressing plate 203 is contacted with the plastic film firstly due to the fact that the height of the pressing plate 203 is lower than that of the cutting knife 8, so that the plastic film is extruded, the plastic film is pressed, and then the cutting knife 8 cuts the plastic film.

It should be noted that, the hydraulic rod 7 is a device or apparatus existing in the prior art, or a device or apparatus that can be implemented in the prior art, and the power supply, the specific composition and the principle thereof are clear to those skilled in the art, so they will not be described in detail.

Claims

1. The utility model provides a shearing mechanism for polyethylene plastics, includes workstation (1), its characterized in that:

The two pressing mechanisms (2) are arranged, the pressing mechanisms (2) comprise,

The connecting plate (201) is arranged at the top of the workbench (1);

The first spring (202), the said first spring (202) is fixedly mounted on the bottom of the connecting plate (201);

The pressing plate (203) is fixedly arranged at the bottom of the first spring (202);

The limiting rod (3) is fixedly arranged at the top of the pressing plate (203), and the limiting rod (3) penetrates through the top of the connecting plate (201);

The limiting shell (4), the limiting shell (4) is fixedly arranged at the top of the limiting rod (3);

The adjusting mechanisms (5) are arranged at the top of the workbench (1), and two adjusting mechanisms are symmetrically arranged.

2. A shearing device for polyethylene plastics as claimed in claim 1, wherein said adjusting mechanism (5) comprises,

A clamping rod (501), wherein the clamping rod (501) is slidably arranged at the top of the workbench (1);

the sliding groove (502), the sliding groove (502) is arranged at the top of the workbench (1);

the sliding block (503), the inside at spout (502) is installed to slider (503) slidable, the top of slider (503) with the bottom fixed connection of clamping lever (501).

3. The shearing device for polyethylene plastic according to claim 2, wherein a supporting frame (6) is fixedly installed at the top of the workbench (1), a hydraulic rod (7) is fixedly installed at the top of the supporting frame (6), the output end of the hydraulic rod (7) penetrates through the bottom of the supporting frame (6) and is fixedly provided with a cutting knife (8), a plurality of connecting shafts (9) are fixedly installed on the front side and the rear side of the cutting knife (8), and the connecting shafts (9) are fixedly connected with two connecting plates (201) respectively.

4. A shearing device for polyethylene plastics according to claim 3, characterized in that the top of the workbench (1) is fixedly provided with a supporting plate (10), the front side of the supporting plate (10) is rotatably provided with two rotating rods (11), and the interiors of the two rotating rods (11) are respectively sleeved with a guide shaft (12).

5. The shearing device for polyethylene plastic according to claim 4, wherein the front sides of the two clamping rods (501) are provided with guide grooves (13), and the two guide grooves (13) are respectively sleeved on the surfaces of the two guide shafts (12) and are in sliding connection with the guide shafts (12).

6. The shearing device for polyethylene plastic according to claim 5, wherein the front side of the supporting plate (10) is provided with a limiting groove (14), a limiting block (15) is slidably arranged in the limiting groove (14), and a pressing block (21) is fixedly arranged at the front side of the limiting block (15).

7. The shearing device for polyethylene plastic according to claim 6, wherein a connecting frame (16) is fixedly arranged at the top of the workbench (1), a first roller (17) is rotatably arranged on the inner wall of the connecting frame (16), and a second roller (18) is rotatably arranged at the top of the workbench (1).

8. The shearing device for polyethylene plastic according to claim 7, wherein the top of the workbench (1) is provided with an adapting groove (19), two opposite sides of the clamping rods (501) are provided with clamping grooves (20), and a second spring (22) is fixedly arranged between the two clamping rods (501).