CN218968432U - Film cutting machine capable of reducing cutting error - Google Patents

Abstract

The utility model provides a film cutting machine capable of reducing cutting errors, which comprises a base, a trolley, a pressing wheel, a cutting mechanism and a control system, wherein two trolley shaft sleeves are arranged on the trolley, two trolley sliding shafts are arranged in the trolley shaft sleeves in a penetrating manner, the two trolley sliding shafts are parallel to each other and are parallel to the plane of the base, the two trolley sliding shafts are fixed on the film cutting machine, grid containing sensors are arranged on the trolley sliding shafts and the trolley shaft sleeves, fixed grids are arranged on the trolley sliding shafts, movable grids are arranged on the trolley shaft sleeves, the fixed grids correspond to the movable grids, and the movable grids are electrically connected with the control system through a circuit board arranged in the trolley. The film cutting machine can accurately acquire the actual data of transverse cutting in the film cutting process, can embody the cutting error in real time, is convenient for human control of the error, and can remind a user to replace the trolley wagon in time to reduce the error.

Description

Film cutting machine capable of reducing cutting error

Technical Field

The utility model relates to the technical field of electronic equipment protective film processing equipment, in particular to a film cutting machine capable of reducing cutting errors.

Background

The film cutting machine is also called a film cutting machine and is commonly used for cutting the protective films of the front panel and the rear panel of the mobile phone and the tablet personal computer. The film cutting machine solves the application problems and is a non-two choice for small-batch multi-variety die cutting, and the traditional die cutting is different from the traditional die cutting which needs to customize a cutting die according to patterns, wastes time and labor in the aspect of small-batch multi-variety personalized custom die cutting. The film cutting machine adopts a motor to drive a cutting knife, can cut edges of the protective film of the electronic equipment, and cuts the mobile phone film into a standard shape and width. FIG. 1 is a schematic diagram of a prior art film cutter. When the film cutting machine 1 of the prior art is used for cutting films, firstly, the type of the film to be cut is manually selected on the operation panel 13 of the film cutting machine 1, then, one film is manually taken and put on the base 11 of the film cutting machine 1, the film is pressed on the roller 16 of the film cutting machine 1 by the pressing wheel 12, the roller 16 of the film cutting machine 1 rotates to match the position of the pressing wheel 12 to move the film, and the cutting part 14 cuts the film. The preset plane pattern is cut on the film by the transverse movement of the cutting part 14 driven by the carriage 15 and the longitudinal movement of the film driven by the roller 16.

The film cutter 1 in the prior art mostly adopts a mode that a stepping motor is matched with a belt 17 to pull a trolley 15 so that the trolley moves transversely, but because the accumulated error of the stepping motor and the accumulated normal deformation formed by the elongation of the belt 17 in the use process, the film cutter 1 can generate larger error in cutting after a period of use, and the accuracy of cutting films is affected. Such errors are often noticeable when they occur sufficiently large to be visible to the naked eye, cutting a portion of the film.

Disclosure of Invention

The utility model aims to solve the technical problem that the cutting error of the film cutting machine in the prior art is larger, and provides the film cutting machine capable of reducing the cutting error.

The utility model provides a film cutting machine capable of reducing cutting errors, which comprises a base, a trolley, a pressing wheel, a cutting mechanism and a control system, wherein two trolley shaft sleeves are arranged on the trolley, two trolley sliding shafts are arranged in the trolley shaft sleeves in a penetrating manner, the two trolley sliding shafts are parallel to each other and are parallel to the plane of the base, the two trolley sliding shafts are fixed on the film cutting machine, grid containing sensors are arranged on the trolley sliding shafts and the trolley shaft sleeves, fixed grids are arranged on the trolley sliding shafts, movable grids are arranged on the trolley shaft sleeves, the fixed grids correspond to the movable grids, and the movable grids are electrically connected with the control system through a circuit board arranged in the trolley.

Preferably, a movable grating sticker is stuck on the inner diameter of the trolley shaft sleeve, a fixed grating sticker is stuck on the outer diameter of the trolley sliding shaft, the movable grating sticker and the fixed grating sticker are both smooth-surface stickers, and the movable grating sticker is in contact with the fixed grating sticker.

Preferably, the trolley shaft sleeve is in the shape of a hollow cylinder, and the trolley shaft sleeve is covered on the trolley sliding shaft.

Preferably, the film cutting machine further comprises a trolley motor and a trolley belt, wherein the trolley motor is arranged on the side face of the film cutting machine, the trolley belt is connected to the trolley motor, the trolley is fixed to the trolley belt, the cutting mechanism is fixed to the trolley, and the trolley motor drives the trolley to move through the trolley belt.

Preferably, the trolley is provided with a limiting hole, the limiting hole is in a rectangular narrow groove with a round angle, the long side of the narrow groove is perpendicular to the base, a cutter control shaft is arranged in the limiting hole in a penetrating mode, the cutter control shaft is parallel to the trolley sliding shaft, and the cutter control shaft is used for driving the cutting mechanism to move in the direction perpendicular to the base.

Compared with the prior art, the film cutting machine has the advantages that the grid containing sensors are arranged in the trolley shaft sleeve and the trolley sliding shaft, so that the actual data of transverse cutting in the film cutting process can be accurately obtained, the cutting error can be reflected in real time, the error is convenient to control manually, and a user can be reminded of timely replacing the trolley wagon to reduce the error. The data provided by the capacitive grating sensor can be used when more accurate cutting is performed, so that more accurate cutting work can be performed conveniently. The design of the two trolley sliding shafts can realize the stability of the position between the trolley sliding shafts and the trolley, and prevent the trolley from rotating relative to the trolley sliding shafts so as to influence the use of the grid-containing sensor. By respectively sticking the movable grating sticker and the fixed grating sticker on the inner diameter of the trolley shaft sleeve and the outer diameter of the trolley sliding shaft, the trolley can slide smoothly while realizing an insulating function. By arranging the trolley motor and the trolley belt transmission system, the stability of the system is improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

in the prior art: 1-a film cutting machine; 11-a base; 12-pressing wheel; 13-an operation panel; 14-a cutting part; 15-a trolley; 16-roll shafts; 17-a belt;

in the utility model, the following components are added: 2-a film cutting machine; 21-a base; 22-pressing wheel; 23-an operation panel; 24-a cutting mechanism; 25-trolley; 26-roll shafts; 27-a trolley motor; 28-trolley belt;

251-cutter control shaft; 252-trolley slide shaft; 253—a trolley sleeve; 254-capacitive grating sensor; 255-limiting holes; 2541-gate fixing; 2542-moving gate; 2521-grid sticker; 2531-moving grid paster;

FIG. 1 is a schematic view of a prior art film cutter;

FIG. 2 is a schematic view of the external appearance structure of the film cutter of the present utility model;

FIG. 3 is a schematic view 1 showing the internal structure of the film cutter of the present utility model;

FIG. 4 is a schematic view of the internal structure of the film cutter 2 of the present utility model;

FIG. 5 is a schematic view of the structure of the cart and cutting mechanism 1;

FIG. 6 is a schematic view of the carriage and cutting mechanism configuration 2;

FIG. 7 is a schematic view of the structure of the trolley after the trolley slide shaft and the trolley axle sleeve are disassembled;

fig. 8 is a schematic cross-sectional view of the combined trolley slide shaft and trolley axle sleeve.

Detailed Description

In order to solve the defects that the film cutting machine in the prior art wastes films and is easy to cause errors, the film cutting machine for reducing the cutting errors is provided.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 2-4, the film cutting machine 2 of the present utility model includes a base 21, a pressing wheel 22, an operation panel 23, a cutting mechanism 24, a trolley 25, and a roll shaft 26, wherein the cutting mechanism 24 is fixed on the trolley 25 and can move along with the movement of the trolley 25. The pressing wheel 22 can press the film on the roller shaft 26, and drives the film to move on the base 21 along the Y-axis direction in the drawing by rolling together with the roller shaft 26, and the trolley 25 drives the cutting mechanism 24 to move along the X-axis direction in the drawing, so that a plane pattern is cut on the film. When the film cutting machine is used, the operation panel 23 is clicked, an operation instruction can be sent to the film cutting machine 2, the film cutting machine 2 comprises a control system, and the control system can cut out corresponding patterns according to the content of the instruction. The film cutting machine 2 further comprises a trolley belt 28 and a trolley motor 27, wherein the trolley motor 27 is arranged on the side face of the film cutting machine 2, and the trolley belt 28 drives the trolley 25 to move. The trolley belt 28 is connected to the trolley motor 27, the trolley 25 is fixed on the trolley belt 28, and when the film cutting machine 2 works normally, the control system sends an instruction to the trolley motor 27, and the trolley motor 27 can move the trolley 25 through the trolley belt 28 and complete cutting through the cutting structure 24 fixed on the trolley 25.

Referring to fig. 5-6, two trolley shaft sleeves 253 are disposed on the trolley 25, two trolley sliding shafts 252 are disposed in the trolley shaft sleeves 253 in a penetrating manner, the two trolley sliding shafts 252 are parallel to each other and are parallel to the plane of the base 21, the two trolley sliding shafts 252 are fixed on the film cutting machine 2, and the trolley 25 can slide along the trolley sliding shafts 252. The trolley shaft sleeve 253 is hollow cylinder and is coated on the trolley sliding shaft 252. By means of two fixed trolley slide shafts 252, it is ensured that the trolley 25 always moves in a direction parallel to the base 21 during movement. One end of the trolley 25 is connected with a cutting mechanism 24, a limit hole 255 is formed in the trolley 25, the limit hole 255 can be a rectangular narrow groove with a round angle, the long side of the narrow groove is perpendicular to the base 21, a cutter control shaft 251 is arranged in the limit hole 255 in a penetrating mode, the cutter control shaft 251 is parallel to the trolley sliding shaft 252, and the cutter control shaft 251 can move in the direction of the narrow groove under the limit of the limit hole 255, namely, in the direction perpendicular to the base 21. The cutter control shaft 251 may drive the cutting mechanism 24 in a direction perpendicular to the base 21.

Referring to fig. 7-8, a trolley sliding shaft 252 and a trolley shaft sleeve 253 are provided with a grid containing sensor 254, wherein a fixed grid 2541 is arranged on the trolley sliding shaft 252, a movable grid 2542 is arranged on the trolley shaft sleeve 253, and the fixed grid 2541 corresponds to the movable grid 2542. The movable gate 2452 is electrically connected to the control system through a circuit board disposed in the cart 25, and generates an electrical signal and transmits the electrical signal to the control system when the movable gate 2542 slides relative to the fixed gate 2541. A moving gate sticker 2531 is adhered to the inner diameter of the trolley shaft 253, a fixed gate sticker 2521 is adhered to the outer diameter of the trolley sliding shaft 252, both the moving gate sticker 2531 and the fixed gate sticker 2521 are smooth-surface stickers, the moving gate sticker 2531 and the fixed gate sticker 2521 are contacted, and when the trolley 25 slides on the trolley sliding shaft 252, the moving gate sticker 2531 and the fixed gate sticker 2521 are contacted and slide on the surface of the fixed gate sticker 2521.

When the film cutting machine 2 works normally, the control system gives an instruction to the trolley motor 27, and the trolley motor 27 can move the trolley 25 through the trolley belt 28 and complete cutting through the cutting structure 24 fixed on the trolley 25. In the cutting process, the control system randomly selects a motion instruction in the X-axis direction, collects data of the capacitive grating sensor 254 at the beginning of the motion, compares the collected data (actual motion data) of the capacitive grating sensor 254 with preset motion data after the motion is completed, obtains an error rate of the current cutting, and displays the error rate on the operation panel 23. When the error rate exceeds the threshold, the operation panel 23 displays red, reminds the user of replacement of the dolly belt 28, and resets the dolly motor 27. When the user selects the fine mode on the operation panel 23 during the cutting task with higher requirements on cutting precision, the rotating speed of the trolley motor 27 is adjusted from the normal rotating speed to the slow speed, and the control system receives the data transmitted by the accommodating grid sensor 254 in real time and takes the data as the actual data of the X-axis motion, so that the accuracy of the level of 0.01mm can be achieved by the accommodating grid sensor 154, the cutting is finer, and the cutting error is reduced.

Compared with the prior art, the film cutting machine 2 can accurately acquire the actual data of transverse cutting in the film cutting process by arranging the grid containing sensor 254 in the trolley shaft sleeve 253 and the trolley sliding shaft 252, embody the cutting error in real time, facilitate the manual control of the error and remind a user to replace the trolley belt 28 in time to reduce the error. The data provided by the capacitive grating sensor 254 may be used in making more accurate cuts to facilitate more refined cutting operations. The two trolley sliding shafts 252 can be designed to realize the position stabilization between the trolley sliding shafts 252 and the trolley 25, and prevent the trolley 25 from rotating relative to the trolley sliding shafts 252 so as to influence the use of the grid-containing sensor 254. By attaching the moving gate sticker 2531 and the fixed gate sticker 2521 to the inner diameter of the dolly shaft 253 and the outer diameter of the dolly slide shaft 252, respectively, it is possible to maintain smoothness of the dolly slide while realizing an insulating function. By providing a transmission system of the trolley motor 27 and the trolley belt 28, the stability of the system is increased.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.

Claims (5)

1. The utility model provides a reduce cutting error's membrane cutting machine, includes base, dolly, pinch roller, cutting mechanism, control system, its characterized in that, be provided with two dolly axle sleeves on the dolly, wear to establish two dolly slide shafts in the dolly axle sleeve, two dolly slide shafts are parallel to each other and all are parallel to the plane that the base is located, two the dolly slide shaft is fixed on the membrane cutting machine, the dolly slide shaft with be provided with on the dolly axle sleeve and hold the bars sensor, wherein, set up the bars on the dolly slide shaft, set up on the dolly axle sleeve and move bars, set bars with move bars corresponding, move bars through setting up circuit board in the dolly with control system electric connection.

2. The film cutting machine for reducing cutting errors according to claim 1, wherein a movable grating sticker is stuck on the inner diameter of the trolley shaft sleeve, a fixed grating sticker is stuck on the outer diameter of the trolley sliding shaft, the movable grating sticker and the fixed grating sticker are both smooth-surface stickers, and the movable grating sticker is in contact with the fixed grating sticker.

3. The die cutting machine for reducing cutting errors according to claim 1, wherein the trolley shaft sleeve is in the shape of a hollow cylinder, and the trolley shaft sleeve is coated on the trolley sliding shaft.

4. The film cutting machine for reducing cutting errors according to claim 1, further comprising a trolley motor and a trolley belt, wherein the trolley motor is arranged on the side face of the film cutting machine, the trolley belt is connected to the trolley motor, the trolley is fixed to the trolley belt, the cutting mechanism is fixed to the trolley, and the trolley motor drives the trolley to move through the trolley belt.

5. The membrane cutting machine for reducing cutting errors according to claim 1, wherein the trolley is provided with a limiting hole, the limiting hole is in a rectangular narrow groove with a round angle, the long side of the narrow groove is perpendicular to the base, a cutter control shaft is arranged in the limiting hole in a penetrating mode, the cutter control shaft is parallel to the trolley sliding shaft, and the cutter control shaft is used for driving the cutting mechanism to move in the direction perpendicular to the base.

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