Film cutting mechanism

Abstract

The utility model discloses a thin film cutting mechanism which comprises a cutting platform, a cutting groove is formed in the cutting platform, a cutting lead screw is rotationally installed below the cutting platform, a cutting moving seat is installed on the cutting lead screw in a sliding mode, a cutting knife is arranged on the cutting moving seat, a support is arranged above the cutting platform, and a cutting groove is formed in the support. An auxiliary lead screw is rotatably installed on the support, a cleaning moving seat is slidably installed on the auxiliary lead screw, a dust hood is fixed to the bottom of the cleaning moving seat and located above the cutting knife, a driving gear is installed at one end of the cutting lead screw, an auxiliary gear is installed at one end of the auxiliary lead screw, and a driving gear is installed at the other end of the driving gear. The driving gear and the auxiliary gear are connected through a transmission belt. The dust hood is arranged above the cutting knife, the cutting knife and the dust hood move synchronously through the cutting lead screw and the auxiliary lead screw, and it is guaranteed that the dust hood sucks and removes chippings generated by cutting in time.

Description

Technical Field

[0001] The utility model relates to the technical field of film processing, in particular to the technical field of film cutting mechanisms. Background Art

[0002] Thermal transfer film is a medium material for thermal transfer process. Thermal transfer decoration process is a process of transferring the decorative pattern on the thermal transfer to the surface of the building material to be decorated by heating the thermal transfer film once, forming a high-quality decorative film. During the production process of thermal transfer film, the film needs to be cut into specified sizes by a cutting mechanism. When cutting, the existing cutting mechanism cannot clean the waste generated by cutting in time, resulting in the accumulation of waste on the cutting platform, which is difficult to clean. Utility Model Content

[0003] The purpose of the utility model is to solve the problems in the prior art and to provide a film cutting mechanism that can solve the above problems.

[0004] To achieve the above-mentioned purpose, the utility model proposes a film cutting mechanism, comprising a cutting platform, the cutting platform is provided with a cutting groove, a cutting screw is rotatably installed below the cutting platform, a cutting movable seat is slidably installed on the cutting screw, a cutting knife is arranged on the cutting movable seat, the cutting movable seat is located below the cutting groove, a bracket is provided above the cutting platform, an auxiliary screw is rotatably installed on the bracket, a cleaning movable seat is slidably installed on the auxiliary screw, a dust suction cover is fixed to the bottom of the cleaning movable seat, the dust suction cover is located above the cutting knife, the dust suction cover is connected with a dust suction pipe, the dust suction pipe is connected with a negative pressure mechanism, a driving gear is installed at one end of the cutting screw, an auxiliary gear is installed at one end of the auxiliary screw, the driving gear and the auxiliary gear are connected by a transmission belt, the driving gear is driven to rotate by a driving motor, a top plate is provided on the top of the bracket, and positioning mechanisms are provided on both sides of the top plate.

[0005] Preferably, the positioning mechanism includes a positioning cylinder, a driving plate, a spring and a clamping strip, the top plate is fixed with the positioning cylinder, the output end of the positioning cylinder is fixed with the driving plate, the bottom of the driving plate is connected with a clamping strip via a spring, and the two clamping strips are symmetrically arranged on both sides of the cutting groove.

[0006] Preferably, the length of the pressing strip is greater than the length of the cutting groove.

[0007] Preferably, a rubber cushion layer is provided at the bottom of the compression strip.

[0008] Preferably, the cutting knife is arc-shaped.

[0009] The beneficial effects of the utility model are as follows: the utility model arranges a dust hood above the cutting knife, and the cutting knife and the dust hood move synchronously through the cutting screw and the auxiliary screw, so as to ensure that the dust hood can timely absorb the debris generated by cutting; when cutting, the film is pressed by the pressing strip to position the film at the cutting position, so as to prevent the film from wrinkling during cutting and improve the cutting accuracy.

[0010] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a side schematic diagram of the utility model;

[0012] Figure 2 It is a front schematic diagram of the utility model.

[0013] In the figure: 1-cutting platform; 11-cutting groove; 2-cutting screw; 3-cutting movable seat; 4-cutting knife; 5-bracket; 6-auxiliary screw; 7-cleaning movable seat; 8-dust cover; 9-positioning mechanism; 91-positioning cylinder; 92-driving plate; 93-spring; 94-pressure strip; 51-top plate. DETAILED DESCRIPTION

[0014] See also Figure 1 , Figure 2 The film cutting mechanism comprises a cutting platform 1, a cutting groove 11 is provided on the cutting platform 1, a cutting screw 2 is rotatably installed below the cutting platform 1, a cutting movable seat 3 is slidably installed on the cutting screw 2, a cutting knife 4 is arranged on the cutting movable seat 3, and the cutting movable seat 3 is located below the cutting groove 11, a bracket 5 is arranged above the cutting platform 1, an auxiliary screw 6 is rotatably installed on the bracket 5, a cleaning movable seat 7 is slidably installed on the auxiliary screw 6, a dust cover 8 is fixed to the bottom of the cleaning movable seat 7, the dust cover 8 is located above the cutting knife 4, the dust cover 8 is connected to a dust suction pipe, and the dust suction pipe is connected to a negative pressure mechanism, a driving gear is installed at one end of the cutting screw 2, and the auxiliary screw An auxiliary gear is installed at one end of 6, the driving gear and the auxiliary gear are connected by a transmission belt, and the driving gear is driven to rotate by a driving motor. A top plate 51 is provided on the top of the bracket 5, and positioning mechanisms 9 are provided on both sides of the top plate 51. The positioning mechanism 9 includes a positioning cylinder 91, a driving plate 92, a spring 93 and a clamping strip 94. A positioning cylinder 91 is fixed on the top plate 51, and a driving plate 92 is fixed on the output end of the positioning cylinder 91. A clamping strip 94 is connected to the bottom of the driving plate 92 through a spring 93. Two clamping strips 94 are symmetrically arranged on both sides of the cutting groove 11. The length of the clamping strip 94 is greater than the length of the cutting groove 11. A rubber cushion layer is provided at the bottom of the clamping strip 94, and the cutting knife 4 is arc-shaped.

[0015] Working process of this utility model:

[0016] During the working process of the utility model, the driving cylinder drives the pressing strip to press the film, and then drives the motor to drive the driving gear and the auxiliary gear to rotate simultaneously, drives the cutting knife and the dust cover to move simultaneously, the cutting knife cuts the film, and at the same time, the dust cover absorbs the debris generated by the cutting and discharges it from the dust suction pipe.

[0017] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A film cutting mechanism, characterized in that: The invention comprises a cutting platform (1), wherein a cutting groove (11) is provided on the cutting platform (1), a cutting screw (2) is rotatably mounted below the cutting platform (1), a cutting movable seat (3) is slidably mounted on the cutting screw (2), a cutting knife (4) is provided on the cutting movable seat (3), the cutting movable seat (3) is located below the cutting groove (11), a bracket (5) is provided above the cutting platform (1), an auxiliary screw (6) is rotatably mounted on the bracket (5), and a cleaning movable seat (7) is slidably mounted on the auxiliary screw (6). ), a dust hood (8) is fixed at the bottom of the cleaning movable seat (7), the dust hood (8) is located above the cutting knife (4), the dust hood (8) is connected to a dust suction pipe, the dust suction pipe is connected to a negative pressure mechanism, a driving gear is installed at one end of the cutting screw (2), an auxiliary gear is installed at one end of the auxiliary screw (6), the driving gear and the auxiliary gear are connected by a transmission belt, the driving gear is driven to rotate by a driving motor, a top plate (51) is provided on the top of the bracket (5), and positioning mechanisms (9) are provided on both sides of the top plate (51).

2. The film cutting mechanism according to claim 1, characterized in that: The positioning mechanism (9) comprises a positioning cylinder (91), a driving plate (92), a spring (93) and a pressing strip (94); the positioning cylinder (91) is fixed on the top plate (51); the driving plate (92) is fixed to the output end of the positioning cylinder (91); the bottom of the driving plate (92) is connected to the pressing strip (94) via a spring (93); and the two pressing strips (94) are symmetrically arranged on both sides of the cutting groove (11).

3. The film cutting mechanism according to claim 2, characterized in that: The length of the pressing strip (94) is greater than the length of the cutting groove (11).

4. The film cutting mechanism according to claim 2, characterized in that: A rubber cushion layer is provided at the bottom of the compression strip (94).

5. The film cutting mechanism according to claim 1, characterized in that: The cutting knife (4) is arc-shaped.

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