CN219546299U

CN219546299U - PE film cutting device

Info

Publication number: CN219546299U
Application number: CN202320444356.9U
Authority: CN
Inventors: 周彬; 周聪; 易赛花; 喻作
Original assignee: Shenzhen Xuyi Jiahong Technology Development Co ltd
Current assignee: Shenzhen Xuyi Jiahong Technology Development Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-08-18
Anticipated expiration: 2033-03-10

Abstract

The utility model relates to the technical field of PE film processing, in particular to a PE film cutting device. It has solved the problem that easily causes the protection film to cut off directly. The film cutting machine comprises a bottom frame, wherein a film body is arranged at the top of the bottom frame, a positioning assembly used for positioning two ends of the film body is connected to the bottom frame in a transmission mode, a portal frame is arranged at the top of the bottom frame, the film body penetrates through the bottom of the portal frame, a lifting mechanism is arranged on the portal frame, the output end of the lifting mechanism is downwards connected with a cutter, when the cutter moves downwards in place, a first cutter hole and a second cutter hole which are alternately arranged are transversely cut out on the film body, and a gap between the first cutter hole and the second cutter hole is formed. The utility model is beneficial to indirectly separating the two parts separated by the cutter, avoids the film body from being directly cut off, prevents the end part of the film from warping, avoids cracks and wrinkles, improves the cutting quality and saves materials.

Description

PE film cutting device

Technical Field

The utility model relates to the technical field of PE film processing, in particular to a PE film cutting device.

Background

At present, PE films are mainly used for surface protection of LCD display screens, notebook computers, MP3, PC plates, mobile phone lenses, PDAs and the like, PMMA and PC panel working procedures and factory protection, and are prevented from being scratched by contact pollution of chemical substances or grinding marks of nails and the like.

The existing PE film needs to be cut in the production and processing process, however, the existing cutting equipment is easy to cause the protection film to be directly cut off, the cut-off end part of the film is easy to warp, even cracks and wrinkles are directly generated, deviation occurs in the cutting process, the protection film cannot reach the required size, the cutting quality is poor, and materials are wasted.

Disclosure of Invention

The PE film cutting device is beneficial to indirectly separating two parts separated by the cutter, avoids the film body from being directly cut off, prevents the end part of the film from warping, avoids cracks and wrinkles, improves the cutting quality and saves materials.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a PE film cutting device, includes the chassis, the film body has been placed at the top of chassis, the transmission is connected with the locating component that is used for fixing a position film body both ends on the chassis, the top of chassis is equipped with the portal frame, the bottom of portal frame is worn to locate by the film body, be equipped with elevating system on the portal frame, elevating system's output downwardly connected with cutter, first sword hole and the second sword hole of transversely cutting out the alternative setting on the film body when cutter downwardly moving is in place, first sword hole and second sword hole clearance setting.

Further, the cutter upper blade is provided with a first blade part and a second blade part, the first blade part and the second blade part are alternately arranged along the length direction of the cutter, the length of the first blade part is larger than that of the second blade part, and the first blade part and the second blade part respectively correspond to the first cutter hole and the second cutter hole.

Further, the gap between the first blade part and the second blade part is 0.3-1.3MM.

Further, the top of the underframe is provided with a base plate, and the top surface of the base plate coincides with the connecting line of the end points of the two ends of the film body at the positioning assembly.

Further, the backing plate is made of rubber, and the thickness of the backing plate is larger than the depth of the second blade part.

Further, the positioning assembly comprises two groups of lower roll shafts and upper roll shafts which are symmetrically arranged at two ends of the underframe, and the upper side surface and the lower side surface of the film body are respectively attached to the upper roll shafts and the lower roll shafts.

Further, the lifting mechanism is a screw motor module, and the screw motor module is used for driving the cutter to continuously move longitudinally.

The utility model has the beneficial effects that:

the two parts separated by the cutter are separated indirectly, the film body is prevented from being cut off directly, the end part of the film is prevented from warping, cracks and wrinkles are avoided, the cutting quality is improved, and materials are saved.

Drawings

FIG. 1 is a schematic diagram of a PE film cutting device;

FIG. 2 is a schematic structural view of a cutter;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the film body after being processed by the cutter;

reference numerals illustrate:

1. a chassis; 2. a film body; 3. a positioning assembly; 4. a portal frame; 5. a lifting mechanism; 6. a cutter; 7. a first blade portion; 71. a first knife hole; 8. a second blade portion; 81. a second cutter hole 81; 9. a backing plate; 10. a lower roll shaft; 11. and (5) an upper roll shaft.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1-4, a PE film cutting device comprises a chassis 1, a film body 2 is placed at the top of the chassis 1, a positioning component 3 used for positioning two ends of the film body 2 is connected to the chassis 1 in a transmission manner, a portal frame 4 is arranged at the top of the chassis 1, the film body 2 is arranged at the bottom of the portal frame 4 in a penetrating manner, a lifting mechanism 5 is arranged on the portal frame 4, the output end of the lifting mechanism 5 is downwards connected with a cutter 6, when the cutter 6 moves downwards in place, a first cutter hole 71 and a second cutter hole 81 which are alternately arranged are transversely cut out on the film body 2, and the first cutter hole 71 and the second cutter hole 81 are in clearance arrangement.

In this embodiment, the upper blade of the cutter 6 has a first blade portion 7 and a second blade portion 8, the first blade portion 7 and the second blade portion 8 are alternately arranged along the length direction of the cutter 6, the length of the first blade portion 7 is greater than the length of the second blade portion 8, and the first blade portion 7 and the second blade portion 8 respectively correspond to the first cutter hole 71 and the second cutter hole 81.

In this embodiment, the gap between the first blade portion 7 and the second blade portion 8 is 0.3-1.3MM.

In this embodiment, the top of the chassis 1 is provided with a pad 9, and the top surface of the pad 9 coincides with the connection line of the end points of the two ends of the film body 2 at the positioning component 3. The film body 2 is convenient to support, the material is soft, the instantaneous internal stress suffered by the film body 2 is convenient to absorb, and the film body 2 is protected.

In this embodiment, the pad 9 is made of rubber, and the thickness of the pad 9 is greater than the depth of the second blade 8.

In this embodiment, the positioning assembly 3 includes two sets of lower roll shafts 10 and upper roll shafts 11 symmetrically installed at both ends of the chassis 1, and upper and lower sides of the film body 2 are respectively attached to the upper roll shafts 11 and the lower roll shafts 10.

In this embodiment, the lifting mechanism 5 is a screw motor module, and the screw motor module is used for driving the cutter 6 to continuously move longitudinally.

Working principle:

when the film conveying device is used, the film body 2 is penetrated into the positioning assembly 3, so that the two ends of the film body 2 are positioned by the upper roll shaft 11 and the lower roll shaft 10, and when the film conveying device is used for conveying the film, the upper roll shaft 11 and the lower roll shaft 10 are passively and adaptively rotated, so that the conveying and positioning requirements of the film body 2 are met; then, the longitudinal mechanism is driven to drive the cutter 6 to shear the first cutter hole 71 and the second cutter hole 81 corresponding to the first cutter part 7 and the second cutter part 8 on the film body 2, due to the screw motor module adopted by the longitudinal mechanism, the cutting height of the cutter 6 is accurately positioned, the positioning is accurate, the position of the cutter 6 can be continuously stopped, thus the film body 2 with different thickness can be suitable, the application range is promoted, a longitudinally penetrating channel is formed on the film body 2 through the first cutter hole 71 and the second cutter hole 81, the gap between the first cutter hole 71 and the second cutter hole 81 is arranged, the separable film body 2 is conveniently reserved through the arranged gap, in particular, the gap is 0.3-1.3MM, and preferably, the gap between 0.5-0.8MM can be adopted, so that the film body 2 is conveniently separated manually, the film body 2 corresponding to the gap is easily cut off by means of an external tool, or the film body 2 is conveniently separated by means of the stress difference of the two ends of the film body 2, the film body 2 is directly separated, the film body 2 is prevented from being directly cut off, the end part from being cut off by 6, the film is prevented from generating the cut and the quality is prevented from generating the cut and the warping is avoided, and the material is avoided.

All technical features in the embodiment can be freely combined according to actual needs.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The foregoing embodiments are preferred embodiments of the present utility model, and other embodiments are included, without departing from the spirit of the present utility model.

Claims

1. The utility model provides a PE film cutting device, includes the chassis, the film body has been placed at the top of chassis, the transmission is connected with the locating component that is used for fixing a position film body both ends on the chassis, its characterized in that, the top of chassis is equipped with the portal frame, the bottom of portal frame is worn to locate by the film body, be equipped with elevating system on the portal frame, elevating system's output downwardly connected with cutter, first sword hole and the second sword hole of transversely cutting out the alternate arrangement on the film body when cutter downwardly moving is in place, first sword hole and second sword hole clearance setting.

2. The PE film cutting device of claim 1, wherein the cutter upper blade has a first blade portion and a second blade portion, the first blade portion and the second blade portion are alternately arranged along the length direction of the cutter, the length of the first blade portion is greater than the length of the second blade portion, and the first blade portion and the second blade portion respectively correspond to the first cutter hole and the second cutter hole.

3. The PE film cutting device of claim 2, wherein a gap between the first blade portion and the second blade portion is 0.3-1.3MM.

4. The PE film cutting device according to claim 2, wherein a pad is arranged at the top of the bottom frame, and the top surface of the pad coincides with the connecting line of the end points of the two ends of the film body at the positioning assembly.

5. The PE film cutting device of claim 4, wherein the backing plate is made of rubber, and the thickness of the backing plate is greater than the depth of the second blade.

6. The PE film cutting device according to claim 1, wherein the positioning assembly comprises two sets of lower roll shafts and upper roll shafts symmetrically arranged at two ends of the bottom frame, and the upper side and the lower side of the film body are respectively attached to the upper roll shaft and the lower roll shaft.

7. The PE film cutting device of claim 1, wherein the lifting mechanism is a screw motor module for driving the cutter to move longitudinally continuously.