CN213291247U

CN213291247U - Tension adjusting mechanism for polyethylene film

Info

Publication number: CN213291247U
Application number: CN202022259075.5U
Authority: CN
Inventors: 郭建明
Original assignee: Guangdong Purun Technology Co ltd
Current assignee: Guangdong Purun Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-28
Anticipated expiration: 2030-10-12

Abstract

The utility model provides a tension adjustment mechanism for polyethylene film, which belongs to the technical field of film tension adjustment, and comprises a second tension roller, wherein one end of the second tension roller is fixedly connected with a lead screw block, the inner wall of the lead screw block is fixedly connected with a lead screw, one end of the lead screw is fixedly connected with a servo motor, one end of the second tension roller, which is far away from the lead screw block, is fixedly connected with a slide block, the inner wall of the slide block is fixedly connected with a guide rod, one side of the slide block is connected with a slide rail in a sliding manner, one side of the slide rail is fixedly connected with a left bracket, and the top of one side of the left bracket is fixedly connected with a boss; the servo motor is started to drive the screw rod to rotate, and then the screw rod block drives the second tension roller to move up and down, so that the tension of the polyethylene film is adjusted, the tension of the film is rapidly adjusted when the film is stretched too fast or too slow, the working efficiency is improved, and the production quality of the film is also ensured.

Description

Tension adjusting mechanism for polyethylene film

Technical Field

The utility model belongs to the technical field of film tension adjusts, concretely relates to tension adjustment mechanism for polyethylene film.

Background

An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold. An injection molding machine generally comprises an injection system, a mold closing system, a hydraulic transmission system, an electrical control system, a lubricating system, a heating and cooling system, a safety monitoring system and the like. The polyethylene film can be used for manufacturing products with different properties such as low-density, medium-density and high-density polyethylene, crosslinked polyethylene and the like according to different manufacturing methods and control means. The tension adjusting mechanism is the most basic structural unit of the polyethylene film injection molding machine and is used for ensuring that the stretching force of the film is moderate in the stretching process.

The existing tension adjusting mechanism is usually fixed in structure, and when the stretching speed of the polyethylene film is too high or too low, the tension of the film is inconvenient to adjust, so that the quality of the polyethylene film is uneven, and the production quality of the polyethylene film is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tension adjustment mechanism for polyethylene film aims at solving among the prior art inconvenient relatively poor problem of quality that leads to polyethylene film of tension adjustment.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tension adjustment mechanism for polyethylene film, includes the second tension roller, the one end fixedly connected with lead screw piece of second tension roller, the inner wall fixedly connected with lead screw of lead screw piece, the one end fixedly connected with servo motor of lead screw, the one end fixedly connected with slider of lead screw piece is kept away from to the second tension roller, the inner wall fixedly connected with guide bar of slider, one side sliding connection of slider has the slide rail, one side fixedly connected with left socle of slide rail, the top fixedly connected with boss of left socle one side.

In order to make this tension adjustment mechanism for polyethylene film reach and avoid leading to the impaired effect of film because of tension distributes unevenly, as the utility model relates to an it is preferred, the first tension roller of one end fixedly connected with of left socle one side, the one end fixedly connected with third tension roller of first tension roller is kept away from to left socle one side.

In order to make this tension adjustment mechanism for polyethylene film reach and accomodate the arrangement to the polyethylene film, improve production efficiency's effect, conduct the utility model relates to an it is preferred, the top fixedly connected with pivot of left socle one side, the outer fixed surface of pivot is connected with rolls up the core pipe.

In order to make this tension adjustment mechanism for polyethylene film reach and make whole mechanism more stable, guarantee the effect of equipment normal operating, as the utility model relates to an it is preferred, the lower fixed surface of left socle is connected with the base, one side fixedly connected with right branch frame of left socle is kept away from to the base upper surface.

In order to make this tension adjustment mechanism for polyethylene film reach and prevent that screw piece and right branch frame from bumping and causing the effect of damage to equipment, conduct the utility model relates to an it is preferred, logical groove has been seted up to one side of right branch frame.

In order to make this tension adjustment mechanism for polyethylene film reach the effect of fixing and protecting servo motor and lead screw isotructure, as the utility model relates to an it is preferred, servo motor's lower fixed surface is connected with the motor cabinet, the lower fixed surface of motor cabinet is connected with the lead screw case.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this tension adjustment mechanism for polyethylene film through the cooperation between second tension roller, lead screw piece, servo motor isotructure, opens servo motor, drives the lead screw and rotates, then makes the lead screw piece drive second tension roller reciprocate to adjust the tension of polyethylene film, guarantee when film stretching speed is too fast or when slow, carry out quick adjustment to film tension, improve work efficiency, also ensure the production quality of film.

2. This tension adjustment mechanism for polyethylene film through the cooperation between structures such as guide bar, slider, slide rail and left socle, when removing the second tension roller and adjust film tension, makes the slider slide at the surface of guide bar, makes the surface of slider move on the slide rail of left socle one side simultaneously, has guaranteed the removal orbit of second tension roller, has also ensured the accuracy of adjusting film tension, avoids causing the influence to the production quality of polyethylene film.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of an axial measurement structure of the present invention;

fig. 2 is a schematic diagram of the right-side view structure of the present invention;

FIG. 3 is a schematic diagram of the right-view structure of the lead screw of the present invention;

fig. 4 is a schematic sectional view of the present invention.

In the figure: 1. a base; 2. a first tension roller; 3. a through groove; 4. a right bracket; 5. a left bracket; 6. a second tension roller; 7. winding a core pipe; 8. a third tension roller; 9. a rotating shaft; 10. a lead screw box; 11. a boss; 12. a guide bar; 13. a lead screw; 14. a lead screw block; 15. a servo motor; 16. a motor base; 17. a slide rail; 18. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a tension adjustment mechanism for polyethylene film, including second tension roller 6, the one end fixedly connected with lead screw piece 14 of second tension roller 6, the inner wall fixedly connected with lead screw 13 of lead screw piece 14, the one end fixedly connected with servo motor 15 of lead screw 13, the one end fixedly connected with slider 18 of lead screw piece 14 is kept away from to second tension roller 6, the inner wall fixedly connected with guide bar 12 of slider 18, one side sliding connection of slider 18 has slide rail 17, one side fixedly connected with left socle 5 of slide rail 17, the top fixedly connected with boss 11 of left socle 5 one side.

In the embodiment of the utility model, through the cooperation between the structures such as the second tension roller 6, the lead screw 13, the lead screw block 14, the servo motor 15 is opened to drive the lead screw 13 to rotate, and then the lead screw block 14 drives the second tension roller 6 to move up and down, so as to adjust the tension of the polyethylene film, ensure that when the film stretching speed is too fast or too slow, the film tension is adjusted rapidly, improve the working efficiency, and also ensure the production quality of the film; when the second tension roller 6 is moved to adjust the film tension, the sliding block 18 slides on the outer surface of the guide rod 12, and the outer surface of the sliding block 18 moves on the sliding rail 17 on one side of the left bracket 5, so that the moving track of the second tension roller 6 is ensured, the accuracy of adjusting the film tension is also ensured, and the influence on the production quality of the polyethylene film is avoided.

Specifically, one end of one side of the left bracket 5 is fixedly connected with the first tension roller 2, and one end of one side of the left bracket 5, which is far away from the first tension roller 2, is fixedly connected with the third tension roller 8.

In this embodiment: through the cooperation of the first tension roller 2 and the third tension roller 8, the tension of the polyethylene film during winding is ensured to be uniform, the film damage caused by uneven tension distribution is avoided, and the production quality of the film is reduced.

Specifically, the top of one side of the left support 5 is fixedly connected with a rotating shaft 9, and the outer surface of the rotating shaft 9 is fixedly connected with a winding pipe 7.

In this embodiment: through pivot 9 and roll up core pipe 7, accomodate the arrangement to the polyethylene film, ensure the efficiency of polyethylene film production.

Specifically, the lower fixed surface of left socle 5 is connected with base 1, and one side fixedly connected with right branch frame 4 of left socle 5 is kept away from to base 1 upper surface.

In this embodiment: through base 1 and right branch frame 4, fix overall structure, make it more stable, guarantee the normal operating of equipment.

Specifically, one side of the right bracket 4 is provided with a through groove 3.

In this embodiment: one side through right branch frame 4 has been seted up logical groove 3, guarantees the normal removal of lead screw piece 14, prevents that lead screw piece 14 from colliding with right branch frame 4, causes the damage to equipment.

Specifically, the lower surface of the servo motor 15 is fixedly connected with a motor base 16, and the lower surface of the motor base 16 is fixedly connected with a screw box 10.

In this embodiment: the servo motor 15 is fixed through the motor base 16, and the structures of the servo motor 15, the screw 13 and the like are protected by the screw box 10, so that the service life of the equipment is prolonged.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The utility model discloses a theory of operation and use flow: when the tension adjusting mechanism for the polyethylene film is used, the servo motor 15 is started to drive the screw rod 13 to rotate, and the screw rod block 14 drives the second tension roller 6 to move up and down, so that the tension of the polyethylene film is adjusted, the tension of the film is quickly adjusted when the film stretching speed is too high or too low, the working efficiency is improved, and the production quality of the film is also ensured; when the second tension roller 6 is moved to adjust the film tension, the sliding block 18 slides on the outer surface of the guide rod 12, and the outer surface of the sliding block 18 moves on the sliding rail 17 on one side of the left bracket 5, so that the moving track of the second tension roller 6 is ensured, the accuracy of adjusting the film tension is also ensured, and the influence on the production quality of the polyethylene film is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tension adjustment mechanism for polyethylene film, includes second tension roller (6), its characterized in that: one end fixedly connected with lead screw piece (14) of second tension roller (6), inner wall fixedly connected with lead screw (13) of lead screw piece (14), one end fixedly connected with servo motor (15) of lead screw (13), one end fixedly connected with slider (18) of lead screw piece (14) are kept away from in second tension roller (6), the inner wall fixedly connected with guide bar (12) of slider (18), one side sliding connection of slider (18) has slide rail (17), one side fixedly connected with left socle (5) of slide rail (17), the top fixedly connected with boss (11) of left socle (5) one side.

2. The tension adjusting mechanism for polyethylene film according to claim 1, characterized in that: one end fixedly connected with first tension roller (2) of left socle (5) one side, the one end fixedly connected with third tension roller (8) of first tension roller (2) is kept away from to left socle (5) one side.

3. The tension adjusting mechanism for polyethylene film according to claim 1, characterized in that: the top fixedly connected with pivot (9) of left socle (5) one side, the surface fixed connection of pivot (9) is rolled up core pipe (7).

4. The tension adjusting mechanism for polyethylene film according to claim 1, characterized in that: the lower fixed surface of left socle (5) is connected with base (1), one side fixedly connected with right branch frame (4) of left socle (5) are kept away from to base (1) upper surface.

5. The tension adjusting mechanism for polyethylene film according to claim 4, wherein: and a through groove (3) is formed in one side of the right bracket (4).

6. The tension adjusting mechanism for polyethylene film according to claim 1, characterized in that: the lower surface of the servo motor (15) is fixedly connected with a motor base (16), and the lower surface of the motor base (16) is fixedly connected with a screw box (10).