Plastic sheet corner cutting equipment

Abstract

The utility model belongs to the technical field of plastic sheet processing, and particularly relates to a plastic sheet corner cutting device which comprises a rotating table and a cutting mechanism, the rotating table is provided with a rotating shaft and a first motor, and an output shaft of the first motor is fixedly connected with the rotating shaft of the rotating table. A plurality of positioning tools used for clamping plastic sheets are arranged above the rotating table in the circumferential direction, the position of the cutting mechanism corresponds to the positions of the positioning tools, the cutting mechanism is provided with a vertically-arranged first air cylinder, the output end of the first air cylinder is fixedly connected with a mounting plate, and a vertical second motor is fixedly arranged on the mounting plate. And an output shaft of the second motor is fixedly connected with a cutter. When the cutting mechanism is used for cutting corners of the plastic sheets, the operation of taking and placing the plastic sheets can be carried out synchronously, the downtime caused by taking and placing the plastic sheets is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to plastic sheet processing technical field, concretely relates to a plastic sheet corner cutting equipment. BACKGROUND

[0002] Plastic sheet is one of many plastic products, it is the plastic sheet with certain width and thin thickness, has wide application in people's daily life and industrial production. In the process of processing plastic sheet, usually need to cut the corner such as cutting operation to plastic sheet. The method of cutting the corner of plastic sheet mainly includes manual cutting and mechanical cutting, but the positioning accuracy of manual cutting corner cannot be guaranteed, and it is time-consuming and laborious, and the efficiency is very low. A variety of mechanical equipment solutions for cutting the corner of plastic sheet are proposed in the prior art, for example, the utility model patent disclosed in the authorized announcement No. CN221968694U discloses a plastic sheet edge cutting device, which comprises a panel, a support frame, a pressing device and a cutting device, the number of the pressing device is two, and the two pressing devices are symmetrically fixedly connected to the edge side of the upper surface of the support frame, the track bar is fixedly connected to the inner side of the middle part of the support frame, and the cutting device is slidably connected to the middle part of the support frame through the track bar. The pressing device comprises a track box, the track box is fixedly connected to the edge side of the upper surface of the support frame, the inner cavity of the track box is slidably connected with a sliding block, and the sliding block is fixedly connected with a limiting sleeve on one side outside the track box.

[0003] The utility model discloses a pressing device is arranged, and the distance between the pressing device and the plastic sheet is adjusted, so that the pressing work of different thickness plastic sheets is adapted, thereby preventing the plastic sheet from being cut unevenly due to loosening when cutting the edge. However, after the device completes the corner cutting operation on one corner of the plastic sheet, it needs to be stopped multiple times to adjust the corner cutting angle or take and place the plastic sheet, the operation steps are complicated, the operation efficiency is low, and it cannot meet the needs of batch production. UTILITY MODEL CONTENTS

[0004] The utility model discloses a plastic sheet corner cutting equipment to solve the problems in the background art.

[0005] To achieve the above technical purposes, the technical scheme of the utility model is as follows:

[0006] The utility model provides a plastic sheet material corner cutting equipment, which comprises a rotating table and a cutting mechanism, the rotating table is provided with a rotating shaft and a first motor, the output shaft of the first motor is fixedly connected with the rotating shaft of the rotating table, a plurality of positioning toolings for clamping plastic sheet materials are arranged on the rotating table in the circumferential direction, the position of the cutting mechanism corresponds to the position of the positioning tooling, the cutting mechanism is provided with a first cylinder arranged vertically, the output end of the first cylinder is fixedly connected with a mounting plate, a second motor is fixedly arranged on the mounting plate vertically, and a cutter is fixedly connected to the output shaft of the second motor.

[0007] As a further improvement, the cutting mechanism further comprises a rack, the rack is provided with two vertical stand arms arranged at intervals, a cross beam is fixedly connected between the two stand arms, a sliding rail and a lead screw arranged in parallel with the sliding rail are fixedly arranged on the cross beam, a third motor is fixedly arranged on the cross beam, the output shaft of the third motor is fixedly connected with one end of the lead screw, a sliding block is slidingly arranged on the sliding rail, the sliding block is threadedly connected with the lead screw, and the first cylinder is fixedly connected with the sliding block.

[0008] As a further improvement, a second cylinder is fixedly arranged vertically on the cross beam, and a pressing plate is fixedly connected to the output end of the second cylinder.

[0009] As a further improvement, the positioning tooling comprises two side frames arranged in parallel at intervals, the two side frames are parallel to the radial direction of the rotating table, a positioning block is fixedly arranged at one end of the side frame close to the outer edge of the rotating table, the positioning block is arranged at intervals with the two side frames, and the positioning block and the side frame are provided with a clearance at the position of cutting the corner of the plastic sheet material.

[0010] A baffle is slidingly arranged between the two side frames, a third cylinder is fixedly arranged on the rotating table, and the output end of the third cylinder is fixedly connected with the baffle.

[0011] Thanks to the above technical scheme, the utility model has the advantages of:

[0012] The plastic sheet material corner cutting equipment provided by the utility model comprises a rotating table, a plurality of positioning toolings arranged on the rotating table and a cutting mechanism arranged above the rotating table, the cutting mechanism can cut the corner of the plastic sheet material while synchronously taking and placing the plastic sheet material, the downtime caused by taking and placing the plastic sheet material is reduced, and the production efficiency is improved.

[0013] The second motor connected with the cutter and the sliding block arranged slidingly can change the relative position and angle of the cutter and the side edge of the plastic sheet material, and meet the needs of different production.

[0014] The third cylinder fixedly connected with the baffle of the positioning tooling can quickly clamp and position the plastic sheet material. DRAWINGS

[0015] Figure 1 It is the overall structural schematic view of the utility model.

[0016] Figure 2 is the structure schematic view of the cutting mechanism of the utility model;

[0017] Figure 3 is the structure schematic view of the rotating table and the positioning tool of the utility model;

[0018] Figure 4 is the structure schematic view of the cutting mechanism and the positioning tool of the utility model.

[0019] Wherein: 1-rotating table, 2-first motor, 3-positioning tool, 301-side frame, 302-positioning block, 303-baffle, 304-third cylinder, 4-cutting mechanism, 401-first cylinder, 402-mounting plate, 403-second motor, 404-cutter, 405-rack, 4051-vertical arm, 4052-crossbeam, 406-slideway, 407-screw, 408-third motor, 409-sliding block, 5-second cylinder, 6-pressing plate, 7-plastic sheet. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with specific implementation manners and referring to the drawings. Among them, the drawings are only used for example description, and the representation is only schematic diagram, not physical picture, and can not be understood as the limitation of the application; in order to better illustrate the embodiment of the utility model, some components of the drawings can be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, it is understandable that some well-known structures and their description in the drawings can be omitted.

[0021] The same or similar reference numerals in the drawings of the embodiment of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if there are terms such as "upper", "lower", "left", "right" and the like indicating the orientation or positional relationship, it is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, a particular orientation and operation, therefore the positional relationship of the terms described in the drawings is only used for example description, and can not be understood as the limitation of the application, for the ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0022] As Figures 1-4As shown, a plastic sheet corner cutting device comprises a rotating table 1 and a cutting mechanism 4, the rotating table 1 is provided with a first motor 2 and a rotating shaft, the output shaft of the first motor 2 is fixedly connected with the rotating shaft of the rotating table 1, a plurality of positioning fixtures 3 for clamping plastic sheets 7 are arranged on the rotating table 1 in the circumferential direction, the cutting mechanism 4 corresponds to the position of the positioning fixture 3, the cutting mechanism 4 is provided with a first cylinder 401 arranged vertically, the output end of the first cylinder 401 is fixedly connected with a mounting plate 402, the mounting plate 402 is fixedly provided with a second motor 403 arranged vertically, the output shaft of the second motor 403 is fixedly connected with a cutter 404, the shape of the blade of the cutter 404 can be linear or arc-shaped, and specific different specifications of the cutter 404 can be selected according to the design requirements of the plastic sheet corner cutting. The first motor 2 drives the rotating table 1 to rotate, the plastic sheet 7 in the positioning fixture 3 on the rotating table 1 rotates with it, when the corner cutting position of the plastic sheet 7 in the first positioning fixture 3 rotates to the lower side of the cutter 404, the rotating table 1 stops rotating, the first cylinder 401 is elongated, the cutter 404 moves downward and cuts the corner of the plastic sheet 7, after the corner cutting is completed, the first cylinder 401 is retracted, the cutter 404 moves upward, and the rotating table 1 continues to rotate, when the corner cutting position of the plastic sheet 7 in the second and subsequent positioning fixtures 3 rotates to the lower side of the cutter 404, the cutting mechanism 4 cuts the corner in the same way. Specifically, the cutting mechanism 4 can be provided with two sets, through the second motor 403, the angle of the cutter 404 can be changed, thereby cutting the two adjacent corners of the plastic sheet 7 at the same time, and the corner cutting efficiency is improved. In the process of cutting the corner of the plastic sheet 7 in the second and subsequent positioning fixtures 3, the operator takes out the plastic sheet 7 with two corners cut in the previous positioning fixture 3, and puts it back into the positioning fixture 3 after being horizontally adjusted by 180°, so as to cut the remaining two corners, when the four corners of the plastic sheet 7 are all cut, the operator takes out the finished plastic sheet 7, and puts the unprocessed plastic sheet 7 into the positioning fixture 3, so that the operation of taking and putting the plastic sheet 7 can be carried out synchronously in the corner cutting process, the downtime caused by taking and putting the plastic sheet 7 is minimized, and the production efficiency is improved.

[0023] In the embodiment, the cutting mechanism 4 further comprises a rack 405, the rack 405 comprises two vertical spaced upright arms 4051, the upright arms 4051 are fixedly connected with a cross beam 4052, the cross beam 4052 is fixedly provided with a sliding rail 406 and a lead screw 407 which is parallel to the sliding rail 406, the cross beam 4052 is fixedly provided with a third motor 408, an output shaft of the third motor 408 is fixedly connected with one end of the lead screw 407, a sliding block 409 is slidably arranged on the sliding rail 406, the sliding block 409 is threadedly connected with the lead screw 407, and the first cylinder 401 is fixedly connected with the sliding block 409. The third motor 408 drives the lead screw 407 to rotate, the lead screw 407 drives the sliding block 409 and the first cylinder 401 to move along the sliding rail 406, so as to adjust the relative position of the cutter 404 and the plastic sheet 7.

[0024] In the embodiment, the cross beam 4052 is vertically and fixedly provided with a second cylinder 5, and an output end of the second cylinder 5 is fixedly connected with a pressing plate 6. The pressing plate 6 abuts against the upper surface of the plastic sheet 7 and flattens the plastic sheet 7, so as to prevent the plastic sheet 7 from being warped and deformed and affecting the cutting precision.

[0025] In the embodiment, the positioning tool 3 comprises two parallel spaced side frames 301, the two side frames 301 are parallel to the radial direction of the rotating table 1, one end of the side frame 301 close to the outer edge of the rotating table 1 is fixedly provided with a positioning block 302, the positioning block 302 is spaced apart from the two side frames 301, the positioning block 302 and the side frame 301 are provided with a avoiding gap at the position of cutting the corner of the plastic sheet 7, so as to prevent the side frame 301 of the positioning tool 3 from interfering with the cutter 404 and affecting the normal use of the equipment.

[0026] The two side frames 301 are slidably provided with a baffle 303, the rotating table 1 is fixedly provided with a third cylinder 304, and an output end of the third cylinder 304 is fixedly connected with the baffle 303. The third cylinder 304 is retracted to drive the baffle 303 to move towards the center of the rotating table 1, so as to place a piece of plastic sheet 7 or a stack of plastic sheets 7 between the two side frames 301, and the side which needs to be cut is close to the outer edge of the rotating table 1 and abuts against the positioning block 302. The third cylinder 304 is elongated, and the baffle 303 abuts against the side edge of the plastic sheet 7, so as to fix the plastic sheet 7 in the space surrounded by the two side frames 301, the positioning block 302 and the baffle 303, so as to prevent the position of the plastic sheet 7 from changing during the cutting process.

[0027] In use, first, the third cylinder 304 drives the baffle 303 to move towards the center of the rotating table 1, and a plastic sheet 7 or a stack of plastic sheets 7 is placed between the two side frames 301 of the positioning tool 3. The third cylinder 304 is elongated, and the baffle 303 is in contact with the side edge of the plastic sheet 7. The first motor 2 drives the rotating table 1 to rotate, and when the plastic sheet 7 in the first positioning tool 3 rotates to the corresponding position below the cutter 404, the rotating table 1 stops rotating. The second cylinder 5 drives the pressing plate 6 to move downward and press the plastic sheet 7, and the first cylinder 401 drives the cutter 404 to move downward to cut the corners of the plastic sheet 7. The rotating table 1 continues to rotate, and the cutting mechanism 4 continuously cuts the corners of the plastic sheet 7 reaching below it in the same way. In this process, the operator synchronously performs the taking, placing and clamping action of the plastic sheet 7, reduces the downtime caused by taking and placing the plastic sheet 7, and improves the production efficiency.

[0028] The specific implementation method of the utility model described above does not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A plastic sheet corner cutting device, comprising a rotary table and a cutting mechanism, wherein the rotary table is provided with a rotating shaft and a first motor, and the output shaft of the first motor is fixedly connected to the rotating shaft of the rotary table, characterized in that, The rotary table is provided with multiple positioning fixtures for clamping plastic sheets along the circumferential direction above it. The position of the cutting mechanism corresponds to the position of the positioning fixtures. The cutting mechanism is provided with a vertically arranged first cylinder. The output end of the first cylinder is fixedly connected to a mounting plate. A vertical second motor is fixedly arranged on the mounting plate. A cutter is fixedly connected to the output shaft of the second motor.

2. The plastic sheet corner cutting device according to claim 1, characterized in that, The cutting mechanism is provided with a frame, which includes two vertically spaced arms. A crossbeam is fixedly connected between the two arms. A slide rail is fixedly provided on the crossbeam, and a lead screw is arranged parallel to the slide rail. A third motor is fixedly provided on the crossbeam. The output shaft of the third motor is fixedly connected to one end of the lead screw. A slider is slidably provided on the slide rail. The slider is threadedly rotatably connected to the lead screw. The first cylinder is fixedly connected to the slider.

3. The plastic sheet corner cutting device according to claim 2, characterized in that, A second cylinder is vertically fixed on the crossbeam, and a pressure plate is fixedly connected to the output end of the second cylinder.

4. The plastic sheet corner cutting device according to claim 1, characterized in that, The positioning fixture includes two parallel side frames spaced apart. The two side frames are parallel to the radial direction of the rotary table. A positioning block is fixedly provided at one end of the side frame near the rotary table. The positioning block is spaced apart from the two side frames. The positioning block and the side frames are provided with clearance notches at the corners of the plastic sheet. A baffle is slidably provided between the two side frames, and a third cylinder is fixedly provided on the rotating platform. The output end of the third cylinder is fixedly connected to the baffle.

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