Cutting equipment for TPU film

Abstract

The utility model belongs to the field of cutting equipment, particularly relates to cutting equipment for a TPU (thermoplastic polyurethane) film, and provides the following scheme aiming at the problems that the diversity and precision of cutting sizes are limited and the working efficiency is influenced as the cutting sizes cannot be quickly, flexibly and accurately adjusted by the conventional equipment. A fixing frame is fixedly arranged at the top of the supporting seat, two transmission rollers are symmetrically and rotationally arranged at the top of the fixing frame, a film rolling frame is fixedly arranged on the rear side of the fixing frame, and the same film rolling roller is rotationally arranged on the sides, close to each other, of the film rolling frame; the adjusting mechanism is arranged on the fixing frame and used for adjusting the cutting size of the thin film. Through the arrangement of the adjusting mechanism, flexible adjustment and accurate control over the cutting size of the TPU film are achieved, the precision and efficiency of cutting operation are effectively improved, and the adaptability and operation convenience of equipment are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting equipment technical field especially relates to a cutting equipment for TPU film. BACKGROUND

[0002] The film cutting equipment is a mechanical equipment specially used for cutting film materials, which cuts the roll film into sheet materials through advanced cutting technology, and is widely used in packaging, printing, electronics, medical treatment, food, cosmetics and other industries, and is an important tool indispensable in modern industrial production.

[0003] At present, the existing cutting equipment for TPU film still relies on manual adjustment or a relatively extensive adjustment mechanism, and cannot realize the rapid, flexible and accurate adjustment of the cutting size, which not only limits the diversity and precision of the cutting size, but also affects the work efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings that the prior art cannot realize the rapid, flexible and accurate adjustment of the cutting size, which not only limits the diversity and precision of the cutting size, but also affects the work efficiency, and provides a cutting equipment for TPU film.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A cutting equipment for TPU film comprises

[0007] A support seat is fixedly provided with a fixed frame on the top, and two transmission rollers are symmetrically arranged on the top of the fixed frame.

[0008] An adjustment mechanism is arranged on the fixed frame and used for adjusting the size of film cutting.

[0009] In a possible design, the adjustment mechanism comprises two support frames symmetrically fixed on the front side of the fixed frame, a through slot is formed in one side of each support frame, and a same cross frame is slidably arranged in the through slots.

[0010] In a possible design, two sides of the support frame away from each other are fixedly provided with frames, two sliders are slidingly arranged in the interiors of the two frames respectively, the bottoms of the two frames are fixedly provided with electric push rods respectively, and the output ends of the two electric push rods are fixedly connected with the bottoms of the two sliders respectively.

[0011] In a possible design, one end of each of the two transmission rollers is fixedly provided with a driven pulley, one side of the fixed frame is fixedly provided with a motor, the outer portion of the output shaft of the motor is fixedly provided with a driving pulley, the outer portions of the two driven pulleys are drivingly sleeved with the same synchronous belt as the driving pulley, and the side of the fixed frame, which is located outside the driving pulley and the two driven pulleys, is fixedly provided with a cover.

[0012] In a possible design, the front side of the fixed frame is rotatably provided with a connecting frame below the support frame, the side close to the connecting frame is rotatably provided with the same rotating roller, the bottom of the fixed frame is fixedly provided with a frame seat, the inner side of the frame seat is hingedly provided with a pneumatic push rod, and the output end of the pneumatic push rod is hingedly connected with the bottom of the connecting frame.

[0013] In a possible design, the rear side of the fixed frame is fixedly provided with a film winding frame, and the side close to the film winding frame is rotatably provided with the same film winding roller.

[0014] In the application, when the device is started, the TPU film is placed on the film winding roller on the film winding frame of the cutting device, so as to ensure that the film is flat and firmly fixed, and then the whole device is powered on;

[0015] After preparation is completed, the motor is started, the motor drives the driving pulley to start rotating, the driving pulley drives the two driven pulleys to rotate through the transmission of the synchronous belt while rotating, so that the corresponding transmission rollers also rotate, the film starts to be conveyed, and the speed of the motor can be adjusted according to the conveying speed of the film and the cutting demand, so as to ensure that the film maintains a stable speed during conveying.

[0016] Then the film width needing cutting is observed and determined, and then the second motor is started, the motor drives the bidirectional screw to start rotating, the rotation of the bidirectional screw drives the two moving blocks to move towards each other or away from each other in the cross frame, so that the distance between the two cutting knives changes, by adjusting the distance between the two cutting knives, the width of the cut film can be accurately controlled, when the distance between the cutting knives is adjusted, the second motor is turned off, after confirming that the cutting mechanism has been adjusted, the electric push rod is started, the output end of the electric push rod drives the two sliders to descend synchronously, the two sliders descend synchronously, and the whole cross frame moves downward, so that the cutting knives gradually approach the film, when the cutting knives contact the film, the electric push rod continues to push the cutting mechanism downward, so that the cutting of the film is completed, in this process, the cutting effect can be observed, and fine adjustment can be made according to the need.

[0017] During the cutting or conveying process, if it is found that the film tension is too large or too small, the pneumatic push rod can be adjusted, first, the output end of the pneumatic push rod pushes or pulls the connecting frame and the rotating roller to move up and down in an arc shape to adjust the position of the rotating roller, so that the tension of the film during conveying can be changed, during the adjustment of the film tension, the conveying of the film needs to be observed to ensure that the tension is moderate and does not affect the cutting effect.

[0018] The utility model has the following beneficial effects:

[0019] In the utility model, through the setting of the adjusting mechanism, the second motor is used for driving the bidirectional screw to rotate, and then the relative positions of the two moving blocks and the cutting knives in the cross frame are accurately controlled, the flexible adjustment of the distance between the cutting knives is realized, the width of the cut film is accurately controlled, the cutting precision and flexibility are significantly improved, and the diversified cutting demand is met.

[0020] In the utility model, through the setting of the pneumatic push rod and the connecting frame, the accurate adjustment and stable control of the TPU film tension are realized, the problem of inaccurate cutting caused by film relaxation or tightness during cutting is avoided, the cutting precision and working efficiency are improved, and the reliability and operation convenience of the equipment are further enhanced.

[0021] Through the setting of the adjusting mechanism, the flexible adjustment and accurate control of the TPU film cutting size are realized, the precision and efficiency of the cutting operation are effectively improved, the adaptability and operation convenience of the equipment are enhanced, and the diversified demand of different width film cutting is met. DRAWINGS

[0022] Figure 1 The utility model provides a kind of overall main view structural schematic diagram of TPU film cutting equipment;

[0023] Figure 2The utility model provides a kind of TPU film cutting equipment's overall side view and cover removal structure schematic view is proposed to the utility model;

[0024] Figure 3 The utility model provides a kind of TPU film cutting equipment's fixed frame structure schematic view is proposed to the utility model;

[0025] Figure 4 The utility model provides a kind of TPU film cutting equipment's adjusting mechanism and horizontal frame cross section structure schematic view is proposed to the utility model.

[0026] In the drawing: 1, support seat;2, fixed frame;3, transmission roller;4, driven pulley;5, No. 1 motor;6, driving pulley;7, synchronous belt;8, cover;9, support frame;10, horizontal frame;11, bidirectional screw;12, moving block;13, cutting knife;14, No. 2 motor;15, frame;16, sliding block;17, electric push rod;18, connecting frame;19, rotating roller;20, frame seat;21, pneumatic push rod;22, film winding frame;23, film winding roller. Specific embodiments

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Embodiment one

[0029] Refer to Figures 1-4 A cutting device, comprising:

[0030] Support seat 1, fixed frame 2, transmission roller 3 and adjusting mechanism, support seat 1 as the base of the whole device, provides stable support, fixedly provided with fixed frame 2 on the top of support seat 1, fixed frame 2 is used to install and support other components, two transmission rollers 3 are symmetrically rotatably arranged on the top of fixed frame 2, and the two transmission rollers 3 are used to convey TPU film, to ensure that the film can move smoothly during cutting.

[0031] The setting of the adjusting mechanism can be used for adjusting the size of the film cutting. Specifically, the adjusting mechanism comprises two support frames 9 symmetrically and fixedly arranged on the front side of the fixed frame 2. One side of each of the two support frames 9 is provided with a through slot, and the same cross frame 10 is slidingly arranged in the through slot. The cross frame 10 can slide between the two support frames 9 to adapt to different cutting requirements. A bidirectional screw rod 11 is rotatably arranged in the cross frame 10. The two ends of the bidirectional screw rod 11 are respectively threadedly connected with two moving blocks 12. The two moving blocks 12 can slide in the cross frame 10. When the bidirectional screw rod 11 rotates, the two moving blocks 12 will move towards each other or away from each other. A cutting knife 13 is detachably arranged at the bottom of each moving block 12. Therefore, when the moving block 12 moves, the cutting knife 13 will also move, so as to change the distance between the two cutting knives 13 and realize the adjustment of the size of the film cutting. In order to drive the bidirectional screw rod 11 to rotate, one side of one of the sliding blocks 16 is fixedly provided with a second motor 14. The output shaft of the second motor 14 is fixedly connected with one end of the bidirectional screw rod 11. When the second motor 14 is started, the output shaft will drive the bidirectional screw rod 11 to rotate, thereby realizing the adjustment of the distance between the cutting knives 13.

[0032] The two support frames 9 are fixedly provided with frames 15 away from each other. The two frames 15 are used for further supporting and stabilizing the sliding blocks 16, so that the cross frame 10 can also be stabilized. The two ends of the cross frame 10 are fixedly provided with sliding blocks 16. The two sliding blocks 16 are slidingly arranged in the interiors of the two frames 15 respectively, so that the cross frame 10 can stably slide between the two frames 15. An electric push rod 17 is fixedly arranged at the bottom of each frame 15. The output ends of the two electric push rods 17 are respectively fixedly connected with the bottoms of the two sliding blocks 16. When the electric push rod 17 is started, the output end will drive the sliding block 16 to move, thereby driving the cross frame 10 and the cutting knives 13 thereon to move towards the film for cutting work.

[0033] One end of each of the two transmission rollers 3 is fixedly provided with a driven pulley 4. One side of the fixed frame 2 is fixedly provided with a first motor 5. The output shaft of the first motor 5 is externally fixedly provided with a driving pulley 6. The driving pulley 6 is drivingly sleeved with the same synchronous belt 7 outside the two driven pulleys 4. When the first motor 5 is started, the output shaft will drive the driving pulley 6 to rotate. Through the transmission action of the synchronous belt 7, the two driven pulleys 4 will also rotate, thereby driving the two transmission rollers 3 to rotate and convey the film. In order to protect the synchronous belt 7 and the pulleys, the one side of the fixed frame 2 is also fixedly provided with a cover 8.

[0034] A connecting frame 18 is rotatably arranged below the support frame 9 on the front side of the fixing frame 2, and a same rotating roller 19 is rotatably arranged on the side close to the connecting frame 18, the rotating roller 19 is used for supporting and conveying the film, a frame seat 20 is fixedly arranged at the bottom of the fixing frame 2, a pneumatic push rod 21 is hingedly arranged on the inner side of the frame seat 20, and the output end of the pneumatic push rod 21 is hingedly connected with the bottom of the connecting frame 18, when the pneumatic push rod 21 is started, the output end will be telescopic and drive the connecting frame 18 to move, thereby adjusting the height and position of the rotating roller 19, and realizing the adjustment of the film tension.

[0035] The application can be applied to the technical field of the cutting equipment for TPU film, and can also be applied to other fields applicable to the application.

[0036] Embodiment two

[0037] On the basis of embodiment one, embodiment two further comprises: a cutting equipment for TPU film, which is applied to the technical field of the cutting equipment for TPU film, a film winding frame 22 is fixedly arranged on the rear side of the fixing frame 2, and a same film winding roller 23 is rotatably arranged on the side close to the film winding frame 22, in use, the TPU film to be cut can be placed on the film winding roller 23, and with the rotation of the transmission roller 3 and the cutting operation of the cutting knife 13, the film will be gradually conveyed and cut into the required width.

[0038] However, as known to those skilled in the art, the working principles and wiring methods of the first motor 5, the second motor 14, the electric push rod 17 and the pneumatic push rod 21 are common, which all belong to conventional means or common general knowledge, and will not be described here, and those skilled in the art can make any selection or arrangement according to their needs or convenience.

[0039] The above is only the preferred specific implementation manner of the application, but the protection scope of the application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the application concept of the application within the technical range disclosed by the application, which should be covered in the protection scope of the application.

Claims

1. A cutting device for TPU film, characterized in that, include: Support base (1), the top of the support base (1) is fixedly provided with a fixing frame (2), and the top of the fixing frame (2) is symmetrically rotated with two transmission rollers (3). An adjustment mechanism is set on the fixed frame (2) and used to adjust the size of the film cutting. The adjustment mechanism includes two support frames (9) that are symmetrically fixed on the front side of the fixed frame (2). A through groove is opened on one side of the two support frames (9), and the same cross frame (10) is slidably arranged inside the two through grooves. A bidirectional screw (11) is rotatably arranged inside the cross frame (10). Two moving blocks (12) are symmetrically slidably arranged inside the cross frame (10). The two moving blocks (12) are respectively threaded to both ends of the bidirectional screw (11). A cutting blade (13) can be detachably arranged at the bottom of the two moving blocks (12). A slider (16) is fixedly arranged at both ends of the cross frame (10). A second motor (14) is fixedly arranged on one side of one of the sliders (16). One end of the output shaft of the second motor (14) is fixedly connected to one end of the bidirectional screw (11).

2. The TPU film cutting device according to claim 1, characterized in that, A frame (15) is fixedly installed on both sides of the two support frames (9) that are far apart. The two sliders (16) are slidably installed inside the two frames (15). An electric push rod (17) is fixedly installed at the bottom of the two frames (15). The output ends of the two electric push rods (17) are fixedly connected to the bottom of the two sliders (16).

3. The TPU film cutting device according to claim 1, characterized in that, One end of each of the two drive rollers (3) is fixedly provided with a driven pulley (4). A motor (5) is fixedly provided on one side of the fixed frame (2). A drive pulley (6) is fixedly provided on the outside of the output shaft of the motor (5). The drive pulley (6) and the two driven pulleys (4) are connected by the same synchronous belt (7). A cover (8) is fixedly provided on one side of the fixed frame (2) outside the drive pulley (6) and the two driven pulleys (4).

4. The TPU film cutting device according to claim 1, characterized in that, A connecting frame (18) is rotatably arranged on the front side of the fixed frame (2) below the support frame (9). The same rotating roller (19) is rotatably arranged on the side of the connecting frame (18) close to it. A frame base (20) is fixedly arranged at the bottom of the fixed frame (2). A pneumatic push rod (21) is hinged to the inner side of the frame base (20). The output end of the pneumatic push rod (21) is hinged to the bottom of the connecting frame (18).

5. A TPU film cutting device according to claim 1, characterized in that, A film roll frame (22) is fixedly installed on the rear side of the fixed frame (2), and the same film roll roller (23) is rotatably installed on the side of the film roll frame (22) that is close to it.

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