CN220945533U - Protective film trimming device - Google Patents

Abstract

The utility model relates to a protective film edge cutting device, which aims to solve the technical problem that the current cutting tool is inconvenient to adjust. The utility model improves the existing protective film cutting structure, the lifter moves left and right on the cross beam through sliding fit of the sliding block, the lifter can adjust the height up and down through the expansion and contraction of the hydraulic cylinder, the cutting tool does not need to be disassembled when the protective film specification is changed, and the protective film cutting device has the advantages of easy position adjustment and high cutting efficiency.

Description

Protective film trimming device

Technical Field

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

Background

The protective film comprises a hardening protective film and a softening protective film, and the protective film is attached to the surface of the article to prevent the surface of the article from being scratched and damaged. After the protective film is formed, a worker is required to manually cut the film edge so as to cut the protective film into a finished film body with the required specification, but the manual edge cutting mode has lower processing efficiency. The prior protective film edge cutting device, as disclosed in the Chinese patent publication No. CN218226954U, is characterized in that a cutter is fixed on a press roller to cut edges of the protective film, but the cutter is required to be disassembled and adjusted to be in line with the corresponding position of the processed protective film when the protective films with different specifications are processed. Therefore, the position of the cutting tool is inconvenient to adjust, and the cutting efficiency is low.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a protective film trimming device so as to solve the technical problem that the position of the current trimming tool is inconvenient to adjust.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the utility model provides a protection film cutting edge device, includes conveying platform, be central symmetry structure and be equipped with two lifters on the conveying platform, lifter both sides perpendicular to conveying platform direction symmetry is equipped with two crossbeams, the crossbeam pass through the sliding block with lift sliding connection, two longerons have all been set firmly at crossbeam both ends. The lifter comprises a shell, shell lower extreme fixedly connected with cuts limit bottom plate, the pneumatic cylinder has set firmly in the position of cutting the relative crossbeam of limit bottom plate, the pneumatic cylinder passes through sliding block and crossbeam sliding connection, be equipped with the cutting edge motor in the shell, cutting edge motor output shaft has cup jointed the blade, two blade clearance fit forms cuts the chamber.

Preferably, four hydraulic cylinders are uniformly distributed around the lifter, the cylinder body of the hydraulic cylinder is bolted with the sliding block, the cylinder diameter of the hydraulic cylinder is fixedly connected with the trimming bottom plate, and a lifting mechanism is formed through the expansion and the contraction of the hydraulic cylinder.

Preferably, the upper end of the lifter is provided with four oil inlets, the side face of the lifter is provided with four oil outlets, the oil inlets are connected with the oil inlet pipe through bolts, the oil outlets are connected with the oil outlet pipe through bolts, and finally, a hydraulic oil way is formed through a hydraulic oil cylinder.

Preferably, a first sliding groove and a second sliding groove are symmetrically arranged in the trimming bottom plate, a first telescopic frame is connected in the first sliding groove in a sliding mode, one end of the first telescopic frame is connected with a first limiting frame in a rotating mode through a first rotating shaft, and the first limiting frame is vertically arranged with the first telescopic frame.

Preferably, the second expansion bracket is slidably connected in the second sliding groove, one end of the second expansion bracket is rotationally connected with the second limiting bracket through the second rotating shaft, the other end of the second limiting bracket is rotationally connected with the third limiting bracket through the third rotating shaft, and the third limiting bracket, the second limiting bracket and the second expansion bracket are arranged in a Z shape.

Preferably, the third limiting frame is arranged at the input end of the conveying platform, the first limiting frame is arranged at the output end of the conveying platform, and the transverse linear distance between the third limiting frame and the blade is greater than that between the first limiting frame and the blade.

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

According to the utility model, the existing protective film trimming structure is improved, the sliding block is arranged on the cross beam, one end of the sliding block is slidably matched with the cross beam to move left and right, the other end of the sliding block is provided with the lifter, and the lifter is connected with the trimming cutter to enable the trimming cutter to be capable of freely adjusting the height, so that the trimming cutter does not need to be detached when the specification of the protective film is replaced, and the production efficiency is improved. .

2. The utility model improves the existing protective film trimming bottom plate, at least two expansion bracket platforms are arranged in the film trimming bottom plate, and the expansion bracket is connected with at least one rotating shaft, so that the limit bracket can be folded to be parallel and vertical to the protective film, and the limit bracket can prevent the protective film from moving in the trimming process of the protective film.

Drawings

FIG. 1 is a schematic top view of the overall system of the present utility model;

FIG. 2 is a schematic top view of the overall mechanism of the present utility model;

FIG. 3 is a left side view of the elevator and cutting structure of the present utility model;

FIG. 4 is an enlarged schematic view of a second sliding groove and a connection structure thereof according to the present utility model;

In the figure: 1. a transfer platform; 2. a longitudinal beam; 3. a lifter; 301. a housing; 302. cutting an edge bottom plate; 303. a hydraulic cylinder; 304. a trimming motor; 305. a blade; 306. an oil inlet; 307. an oil inlet pipe; 308. an oil outlet; 309. a first sliding groove; 310. a second sliding groove; 311. a first rotation shaft; 312. a first limiting frame; 313. the second expansion bracket; 314. a second rotation shaft; 315. the second limiting frame; 316. a third rotation shaft; 317. a third limiting frame; 318. a first expansion bracket; 4. a sliding block; 5. and a cross beam.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

Example 1: the utility model provides a protection film trimming device, see fig. 1 through 4, including conveying platform 1, be central symmetry structure on the conveying platform 1 and be equipped with two lifters 3, lifter 3 both sides perpendicular to conveying platform 1 direction symmetry is equipped with two crossbeams 5, crossbeam 5 pass through sliding block 4 and lift 3 sliding connection, and the cutting device that sets up on the lift base can carry out the position adjustment of vertical direction along with the lift, and crossbeam 5 both ends have all set firmly two longerons 2. The lifter 3 includes shell 301, and shell 301 lower extreme fixedly connected with cuts limit bottom plate 302, cuts limit bottom plate 302 and has set firmly pneumatic cylinder 303 relative to the position of crossbeam 5, and pneumatic cylinder 303 passes through slider 4 and crossbeam 5 sliding connection, is equipped with the cutting limit motor 304 in the shell 301, cuts limit motor 304 output shaft and cup joints blade 305, and two blade 305 clearance fit form cuts the chamber.

Specifically, four pneumatic cylinders 303 are evenly distributed around the lifter 3, and when the cutting mechanism ascends or descends, the evenly distributed form ensures that the four pneumatic cylinders are evenly stressed, and the service life of the pneumatic cylinders is effectively prolonged. The cylinder body of the hydraulic cylinder 303 is bolted with the sliding block 4, the cylinder diameter of the hydraulic cylinder 303 is fixedly connected with the trimming bottom plate 302, and a lifting mechanism is formed through the expansion and the contraction of the hydraulic cylinder.

Still further, the upper end of the lifter 3 is provided with four oil inlets 306, the side face of the lifter is provided with four oil outlets 308, the oil inlets 306 are connected with the oil inlet pipe 307 through bolts, the oil outlets 308 are connected with the oil outlet pipe through bolts, and finally, a hydraulic oil way is formed through a hydraulic oil cylinder.

It should be noted that, the edge trimming bottom plate 302 is symmetrically provided with a first sliding groove 309 and a second sliding groove 310, a first expansion bracket 318 is slidably connected in the first sliding groove 309, one end of the first expansion bracket 318 is rotatably connected with a first limiting bracket 312 through a first rotating shaft 311, the first limiting bracket 312 is vertically arranged with the first expansion bracket 318, and the first limiting bracket 312 effectively avoids the problem of deviation of the protective film in the transportation process.

It should be emphasized that the second sliding groove 310 is slidably connected with a second telescopic frame 313, one end of the second telescopic frame 313 is rotatably connected with a second limiting frame 315 through a second rotating shaft 314, the other end of the second limiting frame 315 is rotatably connected with a third limiting frame 317 through a third rotating shaft 316, and the third limiting frame 317, the second limiting frame 315 and the second telescopic frame 313 are arranged in a Z shape. Effectively prevent the edge of the protective film from curling in the cutting process, thereby causing the problem of cutting failure.

In addition, the third limiting frame 317 is disposed at the input end of the conveying platform 1, the first limiting frame 312 is disposed at the output end of the conveying platform 1, and the distance between the third limiting frame 317 and the blade 305 is greater than the distance between the first limiting frame 312 and the blade 305, so as to effectively realize the function of preventing the protective film from curling during the cutting process of the third limiting frame 317.

Working principle: firstly, a protective film is conveyed to the bottom of a cutting tool through a conveying belt, then a sliding block 4 on a cross beam 5 is moved left and right, the cutting tool is adjusted to the required width position of the protective film, then the height of the cutting tool is adjusted by connecting external equipment, and the height of the cutting tool is adjusted to be matched with the position of the protective film to be cut. Finally, the first expansion bracket 318 and the second expansion bracket 313 inside the bottom plate of the cutting tool are adjusted, the first expansion bracket 312, the second expansion bracket 315 and the third expansion bracket 317 are adjusted to proper positions through the rotation of the ratchet wheels, the specification and the qualification rate of the finished product of the protective film are ensured, and finally, the cutting tool and the conveyor belt are driven by an external control mechanism to cut the protective film.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims (6)

1. The protective film edge cutting device is characterized by comprising a conveying platform (1), wherein two lifters (3) are arranged on the conveying platform (1) in a central symmetrical structure, two cross beams (5) are symmetrically arranged at two sides of each lifter (3) perpendicular to the direction of the conveying platform (1), the cross beams (5) are in sliding connection with the lifters (3) through sliding blocks (4), and two longitudinal beams (2) are fixedly arranged at two ends of each cross beam (5);

The lifter (3) comprises a shell (301), a trimming bottom plate (302) is fixedly connected to the lower end of the shell (301), a hydraulic cylinder (303) is fixedly arranged at the position, opposite to a cross beam (5), of the trimming bottom plate (302), the hydraulic cylinder (303) is in sliding connection with the cross beam (5) through a sliding block (4), a trimming motor (304) is arranged in the shell (301), a blade (305) is sleeved on an output shaft of the trimming motor (304), and the two blades (305) form a trimming cavity in a clearance fit mode.

2. The protective film edge cutting device according to claim 1, wherein four hydraulic cylinders (303) are uniformly distributed around the lifter (3), the cylinder body of each hydraulic cylinder (303) is bolted with the sliding block (4), and the cylinder diameter of each hydraulic cylinder (303) is fixedly connected with the edge cutting base plate (302).

3. A protective film trimming device as claimed in claim 2, wherein the upper end of the lifter (3) is provided with four oil inlets (306) and four oil outlets (308) are provided on the side surface, the oil inlets (306) are connected with the oil inlet pipe (307) by bolts, and the oil outlets (308) are connected with the oil outlet pipe by bolts.

4. A protective film trimming device as claimed in claim 3, wherein a first sliding groove (309) and a second sliding groove (310) are symmetrically arranged in the trimming bottom plate (302), a first expansion bracket (318) is slidably connected in the first sliding groove (309), one end of the first expansion bracket (318) is rotatably connected with a first limit bracket (312) through a first rotating shaft (311), and the first limit bracket (312) is vertically arranged with the first expansion bracket (318).

5. The protective film trimming device as claimed in claim 4, wherein a second expansion bracket (313) is slidably connected in the second sliding groove (310), one end of the second expansion bracket (313) is rotatably connected with a second limiting bracket (315) through a second rotating shaft (314), the other end of the second limiting bracket (315) is rotatably connected with a third limiting bracket (317) through a third rotating shaft (316), and the third limiting bracket (317), the second limiting bracket (315) and the second expansion bracket (313) are arranged in a Z shape.

6. The protective film trimming device according to claim 5, wherein the third limiting frame (317) is disposed at the input end of the conveying platform (1), the first limiting frame (312) is disposed at the output end of the conveying platform (1), and a lateral linear distance between the third limiting frame (317) and the blade (305) is greater than a lateral linear distance between the first limiting frame (312) and the blade (305).