CN218947767U

CN218947767U - Film cutting device capable of winding

Info

Publication number: CN218947767U
Application number: CN202222806434.3U
Authority: CN
Inventors: 王林
Original assignee: Individual
Current assignee: Zhejiang Haoshijia Reflection Material Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-05-02
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a film cutting device capable of being rolled, and relates to the field of film cutting, comprising a base, a cutter frame, a rolling mechanism and a rolling mechanism, wherein the base is used for fixing the cutter frame; the novel roller is characterized in that a first motor is arranged at the middle position of the bottoms of two sides of the base, a bracket is arranged at the middle position of the top of the base, a roller is connected to the bracket, cams are arranged at two ends of the outer side of the roller, and the output end of the first motor is externally connected with a first pulley. When the film winding device is used, the motor is electrified to drive the rotating plate to rotate and simultaneously compress the reset spring to drive the winding roller to rotate so as to achieve the purpose of winding the film. When the motor stops working after the film is fully wound, the rotary plate does not compress the return spring any more, and the elastic force of the return spring rebounds and returns the rotary plate. The rolling roller is provided with the grooves with the same thickness and length as the rotating plate, and the rolling roller can be separated from the rotating plate through the grooves, so that the rolling roller is convenient to detach and install.

Description

Film cutting device capable of winding

Technical Field

The utility model relates to the field of film cutting, in particular to a film cutting device capable of winding.

Background

The plastic film is made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is widely applied to the fields of food, medicine, chemical industry and the like, brings great convenience to the life of people, and also becomes an indispensable part of daily life. Different applications generally require plastic films of different sizes, and therefore cutting of plastic films becomes a significant link in film processing engineering.

Most of existing plastic film cutting devices use a rotating platform to drive films, in the process, a knife rest is used for cutting the films once, and finally, the cut films are transported to a designated place through the rotating platform for subsequent treatment.

Most of the existing film cutting devices cannot automatically roll films, and after the films are cut, the final rolling step is needed to be manually finished, which is time-consuming and labor-consuming. Meanwhile, the motor and the tool rest are integrated, and in the working process, no matter which part breaks down, the whole needs to be disassembled and maintained, so that the tool is quite inconvenient.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a plastic film cutting device capable of winding.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a windable film cutting device comprises a base, a cutter frame, a winding mechanism and a winding mechanism, wherein the base is used for fixing the cutter frame; the rolling machine is characterized in that a first motor is arranged at the middle position of the bottoms of two sides of the base, a support is arranged at the middle position of the top of the base, a roller is connected to the support, cams are arranged at two ends of the outer side of the roller, a first pulley is externally connected with the output end of the first motor, a second pulley is externally connected with two sides of the roller, a transmission belt is wound on the outer sides of the first pulley and the second pulley, a second fixing plate is fixed on two sides of the top of the base, a first fixing plate is connected to the inner side of the second fixing plate in a sliding manner, a transmission rod is arranged on two sides of the fixing plate, a cutter holder is connected to the lower portion of the transmission rod, a blade is arranged below the cutter holder, a working platform is arranged at the top of the base, positioning rollers are arranged on two sides of the working platform, fixing rods are fixed at two ends of the base, a second motor is arranged at one end of the fixing rod, a second motor is externally connected with a rotary plate, and the output end of the second motor is connected with a rotary plate, and the rotary plate is connected with the rolling roller.

As still further aspects of the utility model: one side of the rolling roller is provided with a slot matched with the rotating plate, an arc chute matched with the rotating plate is arranged in the rolling roller, and a second reset spring is fixed in the arc chute.

As still further aspects of the utility model: the two ends of the second fixing plate are provided with sliding grooves, and a first reset spring is fixed at the middle position of the top of each sliding groove.

As still further aspects of the utility model: one side at base top is provided with control platform, work platform's material is transparent glass, and work platform and blade contact's position be elastic rubber, the blade of being convenient for pushes down the cutting.

As still further aspects of the utility model: the cross section of the cam 5 is elliptical.

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

1. through setting up by the motor drive runner, the runner drives the roller bearing and installs the cam on the roller bearing and presses the knife rest of below in order to reach the purpose of tailorring of knife rest to the film, during the machine work, the cam rotates the in-process earlier and presses the knife rest of below, accomplish the tailorring to the film, then the cam further rotates, install reset spring on the fixed plate and pull up unsettled through elasticity with the knife rest, the film on the platform is driven through the rolling roller bearing and is advanced, the above-mentioned process is repeated afterwards, accomplish the tailorring and the rolling to the film, the whole in-process press device is independent mutually with tailorring on the device space, functionally interrelate, the advantage of this design lies in that any device damages can not influence another device, and dismantle and prosthetic convenience to the device.

2. Through setting up rolling roller bearing, rotor plate, reset spring, during the use, the motor circular telegram work drives the rotor plate rotation and compresses reset spring simultaneously, drives the rolling roller bearing and rotates in order to reach the purpose of rolling the film. When the motor stops working after the film is fully wound, the rotary plate does not compress the return spring any more, and the elastic force of the return spring rebounds and returns the rotary plate. The rolling roller is provided with a groove with the same thickness and length as the rotating plate, and the rolling roller can be separated from the rotating plate through the groove, so that the film is taken out after the film is rolled. The design has the advantages that the winding roller is convenient to mount and dismount.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a detailed schematic view of the connecting portion of the cutting blade carrier and the rolling bearing of the present utility model;

FIG. 3 is an enlarged schematic cross-sectional view of section 18 of the present utility model;

in the figure: 1. a base; 2. a first motor; 3. a bracket; 4. a roller; 5. a cam; 6. a first pulley; 7. a second pulley; 8. a drive belt; 9. a first fixing plate; 10. a transmission rod; 11. a tool holder; 12. a blade; 13. a working platform; 14. positioning a roller; 15. a fixed rod; 16. a second motor; 17. a rotating plate; 18. a rolling roller; 19. a control platform; 20. a second fixing plate; 21. a chute; 22. a first return spring; 23. a second return spring; 24. a slot; 25. an arc chute.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1 to 3, in an embodiment of the present utility model, a windable film cutting device includes a base 1 for fixing a knife rest and a winding mechanism; the middle positions of the bottoms of the two sides of the base 1 are provided with a bracket 3, the bracket 3 is connected with a rolling shaft 4, the two ends of the outer side of the rolling shaft 4 are provided with cams 5, the output end of the first motor 2 is externally connected with a first pulley 6, the two sides of the rolling shaft 4 are externally connected with a second pulley 7, the outer sides of the first pulley 6 and the second pulley 7 are wound with a driving belt 8, the two sides of the top of the base 1 are fixedly provided with a second fixing plate 20, the inside of the second fixing plate 20 is slidably connected with a first fixing plate 9, the two sides of the fixing plate 9 are provided with driving rods 10, the lower part of the driving rods 10 is connected with a tool rest 11, and the lower part of the tool rest 11 is provided with a blade 12;

the first pulley 6 is driven by the first motor 2 to drive the driving belt 8, the second pulley 7 is driven by the driving belt 8, the rolling shaft 4 is driven by the second pulley 7, the cams 5 positioned on two sides of the rolling shaft 4 are driven to rotate, the first fixing plate 9 is pressed by the rotation of the cams 5, and the blade 12 positioned below the knife rest 11 is driven by the first fixing plate 9, so that the aim of cutting a film is fulfilled.

The top of the base 1 is provided with a working platform 13, positioning rollers 14 are arranged on two sides of the working platform 13, fixed rods 15 are fixed on two ends of the base 1, one end of each fixed rod 15 is provided with a second motor 16, the output end of each second motor 16 is externally connected with a rotating plate 17, and the rotating plates 17 are connected with rolling rollers 18;

the film on the working platform is driven by the rolling roller 18, the positioning rollers 14 on two sides of the working platform are responsible for positioning and pressing the stretched film to prevent the film from laterally moving, and meanwhile the rolling roller 18 rolls the film while rotating, so that the follow-up manual film rolling is avoided.

Referring to fig. 2, the first fixing plate 9 is slidably connected to the second fixing plate 20 through a chute 21, the first fixing plate 9 can slide up and down in the chute 21, a first return spring 22 is disposed at the top of the chute 21, and when the first fixing plate 9 is not pressed down by the cam 5, it is lifted up and suspended along the chute 21, and at this time, the blade 12 leaves the film, and the film continues to advance on the platform.

Referring to fig. 1 and 3, the two ends of the base 1 are fixedly provided with a fixing rod 15, one section of the fixing rod 15 is provided with a second motor 16, the output end of the second motor 16 is connected with a rotating plate 17, the rotating plate 17 is connected with a winding roller 18 through a slot 24, meanwhile, an arc-shaped chute 25 is arranged in the winding roller 18 for the rotating plate 17 to rotate within a certain range, one end of the arc-shaped chute 25 is provided with a second reset spring 23, and when the rotating plate is not rotating, the rotating plate is ejected to the chute 25 to facilitate the disassembly of the winding roller 18.

The working principle of the utility model is as follows: the film to be cut passes through the lower parts of the positioning rollers 14 positioned at two sides of the base 1, the other ends of the positioning rollers are connected with the rolling rollers 18, the rolling rollers 18 are connected with a rotating plate 17 connected to the output end of a second motor 16 through a slot 24, the second motor is electrified to drive the rotating plate 17 to rotate, the rotating plate 17 rotates in an arc chute 25 in the rolling rollers 18 while compressing a second reset spring 23 positioned at one end of the arc chute 25, the rolling rollers 18 are driven to rotate at the same time, the film is enabled to move on the working platform 13, the first motor 2 is electrified to drive a first pulley 6 positioned at the output end of the film, the first pulley 6 drives a driving belt 8 to rotate, the driving belt 8 drives a second pulley 7 positioned at the inner side of the film to rotate, the second pulley 7 rotates to drive a roller 4, and the roller 4 rotates to drive cams 5 positioned at two sides of the film to periodically rotate, the cam 5 periodically rotates to continuously press the first fixed plate 9 below the cam 5 so as to continuously press the knife rest 11, thereby enabling the blade 12 to complete the cutting of the film, meanwhile, the first fixed plate 9 is connected with the top of the chute through the reset spring 22, the reset spring 22 pulls the fixed plate 9 up and hangs the fixed plate 9 when the cam 5 is not pressing the fixed plate 9 in the process of periodically rotating the cam 5, at the moment, the blade 12 leaves the film, the film moves in advance under the action of the rolling roller 18 and circularly reciprocates to complete the cutting of the film, meanwhile, the rolling roller 18 winds the film in the rotating process, the subsequent winding process is avoided by using manpower after the film cutting is completed, the second motor 16 is powered off after the film winding is completed, the rotating plate 17 is not compressed to the reset spring 23, the reset spring 23 ejects the rotating plate 17 to the chute 24, thereby facilitating the removal and subsequent installation of the take-up roller 18.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A windable film cutting device comprises a base (1) for fixing a knife rest and a winding mechanism; the utility model is characterized in that a first motor (2) is arranged at the middle position of the bottoms of the two sides of the base (1), a bracket (3) is arranged at the middle position of the top of the base (1), a roller (4) is connected with the bracket (3), a cam (5) is arranged at the two ends of the outer side of the roller (4), a first pulley (6) is externally connected with the output end of the first motor (2), a second pulley (7) is externally connected with the two sides of the roller (4), a driving belt (8) is wound on the outer sides of the first pulley (6) and the second pulley (7), a second fixed plate (20) is fixed at the two sides of the top of the base (1), a first fixed plate (9) is connected with the inner sliding connection of the second fixed plate (20), a driving rod (10) is arranged at the two sides of the fixed plate (9), a cutter holder (11) is connected below the driving rod (10), a blade (12) is arranged below the cutter holder (11), a working platform (13) is arranged at the top of the base (1), a positioning roller (14) is arranged at the two sides of the working platform (13), a motor (1), a second motor (16) is arranged at the two ends of the motor (16), the rotating plate (17) is connected with a rolling roller (18).

2. The windable film cutting device according to claim 1, wherein a slot which is mutually matched with the rotating plate (17) is arranged on one side of the winding roller (18), an arc-shaped chute which is mutually matched with the rotating plate (17) is arranged inside the winding roller (18), and a second reset spring (23) is fixed inside the arc-shaped chute.

3. The windable film cutting device according to claim 1, wherein the two ends of the second fixing plate (20) are provided with sliding grooves (21), and a first return spring (22) is fixed at the middle position of the top of the sliding groove (21).

4. The windable film cutting device according to claim 1, wherein a control platform (19) is arranged on one side of the top of the base (1), the working platform (13) is made of transparent glass, and the contact part of the working platform (13) and the blade (12) is made of elastic rubber, so that the blade (12) can be pressed down for cutting.

5. A windable film cutting device according to claim 1, characterized in that the cam (5) is oval in cross section.