Film cutting device capable of adjusting cutting width

Abstract

The utility model belongs to the field of film cutting devices, and particularly relates to a film cutting device capable of adjusting cutting width, which comprises a box body. First studs are rotationally arranged at the front end and the rear end of the box body, cranks are fixedly connected to the front ends of the first studs, a mark is arranged on the right portion of the upper end of the box body, first limiting blocks are arranged on the first studs, threaded grooves are formed in the front end and the rear end of each first limiting block, and the threaded grooves are matched with the first studs. By rotating the crank, the crank drives the first stud to rotate on the box body, when the first stud rotates, the first limiting block can be driven to move back and forth on the inner wall of the box body, through the calibration block arranged on the fixing plate, a central protruding block of the calibration block is flush with a cutting blade of the cutting machine, and when the crank is rotated, the first limiting block is driven to move back and forth on the inner wall of the box body. The center protruding block of the calibration block is used for aligning the position of the mark, so that the cutting position of the cutting machine is adjusted, and the problem that the position of the cutting machine is inconvenient to adjust, so that only a bundling film with a fixed width can be cut is solved.

Description

Technical Field

[0001] The utility model belongs to the field of film cutting devices, and particularly relates to a film cutting device with adjustable cutting width. Background Art

[0002] The cutting device for protective film is a mechanical device specially used for cutting continuous or rolled protective film according to predetermined sizes and shapes. This device plays a crucial role in the production, processing, and application of protective film, and can ensure that the protective film is accurately cut into the required sizes and shapes.

[0003] Since the protective film itself has a soft texture, it is usually wound up and then the width cutting work is carried out uniformly. However, the existing cutting devices are not convenient for adjusting the cutting length of the protective film. After cutting is completed, it is necessary to manually remove the cut bundled film, and then install a new bundled film on the cutting device, resulting in low cutting efficiency.

[0004] Therefore, a film cutting device with adjustable cutting width is proposed to solve the problems in the use process of the protective film cutting device by setting a structure for batch rotation cutting and a cutting machine adjustment structure. Summary of the Utility Model

[0005] In order to overcome the problems that in the use process of the existing protective film cutting device, it is not convenient to adjust the cutting width of the protective film by the cutting machine and only one bundled film can be cut in one batch, resulting in low cutting efficiency.

[0006] The technical solution of the utility model is as follows: A film cutting device with adjustable cutting width includes a box body; first studs are rotatably arranged at the front and rear ends of the box body, a crank is fixedly connected to the front end of the first stud, a scale mark is arranged at the upper right part of the box body, a first limit block is arranged on the first stud, threaded grooves are opened at the front and rear ends of the first limit block, the threaded grooves are adapted to the first stud, the left and right ends of the first limit block are in contact with the left and right inner walls of the box body, a fixing plate is fixedly connected to the first limit block, a limit frame is fixedly connected to the upper end of the fixing plate, a second limit block is slidably arranged inside the inner wall of the limit frame, a cutting machine is fixedly connected to the upper end of the second limit block, and a calibration block is fixedly connected to the upper end of the fixing plate.

[0007] Preferably, by rotating the crank, the crank drives the first stud to rotate on the box body. The first limit block is restricted by the contact with the inner wall of the box body. When the first stud rotates, it drives the first limit block to move back and forth on the inner wall of the box body. Through the calibration block arranged on the fixing plate, the central protruding block of the calibration block is flush with the cutting blade of the cutting machine. When rotating the crank, by aligning the central protruding block of the calibration block with the position of the scale mark, the cutting position of the cutting machine can be adjusted.

[0008] Preferably, a base is provided at the left end of the box body. A connecting block is fixedly connected to the upper end of the base, and a motor is fixedly connected to the upper end of the connecting block. The rear end of the output shaft of the motor is fixedly connected to a first rotating disk. By starting the motor, the output shaft of the motor drives the first rotating disk to rotate, thus facilitating the quick cutting work of the cutting machine.

[0009] Preferably, first fixing columns evenly distributed in a circle are fixedly connected to the rear end of the first rotating disk. A second fixing column is fixedly connected to the rear end of the first rotating disk. A first groove is provided at the rear end of the second fixing column, and a first slot is provided on the outer wall of the second fixing column. A pin is movably arranged on the inner wall of the first slot. Through the first groove, the first slot and the pin provided on the second fixing column, it is convenient to fix the second rotating disk subsequently.

[0010] Preferably, a plug block is movably arranged on the inner wall of the first groove. Second slots are provided through the upper and lower ends of the plug block, and the second slots are adapted to the pins. The rear end of the plug block is fixedly connected to a third fixing column. The front end of the third fixing column fits with the rear end of the second fixing column. The rear end of the third fixing column is fixedly connected to a second rotating disk. Fourth fixing columns evenly distributed in a circle are fixedly connected to the front end of the second rotating disk, and the fourth fixing columns correspond to the first fixing columns one by one. Second grooves evenly distributed in a circle are provided through the front and rear ends of the second rotating disk. By inserting the rear end of the bundled film into the fourth fixing columns on the second rotating disk, then inserting the plug block into the first groove, and then making the pins sequentially pass through the first slot and the second slot and extend to the lower side of the outer wall of the second fixing column, the plug block is fixed on the inner wall of the first groove.

[0011] Preferably, a fifth fixing column is slidably arranged on the inner wall of the second groove. A first fixing disk is fixedly connected to the front ends of the four fifth fixing columns. The first fixing disk is located in front of the second rotating disk. Fifth grooves are provided through the front and rear ends of the first fixing disk. The inner wall of the fifth groove fits with the outer wall of the third fixing column, and the inner wall of the third groove fits with the outer wall of the fourth fixing column. The second rotating disk and the first fixing disk are of an integral structure. When the bundled film is inserted onto the fourth fixing columns, the rear end of the bundled film fits with the front end of the first fixing disk. By sliding the first fixing disk back and forth on the outer wall of the third fixing column, the front end of the bundled film is inserted into the first fixing column, and then the front end of the bundled film fits with the rear end of the first rotating disk.

[0012] Preferably, a second stud is fixedly connected to the rear end of the second rotating disc. The rear ends of four fifth fixing columns are fixedly connected to a second fixing disc together. A fourth groove is formed through the front and rear ends of the second fixing disc. The inner wall of the fourth groove fits against the outer wall of the second stud. The second stud passes through the fourth groove and extends to the rear end of the fourth groove, where a nut is threadedly installed. The front end of the nut fits against the rear end of the second fixing disc. When the front end of the binding film fits against the rear end of the first rotating disc, by rotating the nut on the outer wall of the second stud, the position of the second fixing disc is fixed by the nut, so as to ensure that the binding film does not shake during the cutting process, and the accuracy of the cutting work is improved.

[0013] Preferably, the rear end of the first rotating disc is flush with the front end of the box body. The distance between the rear end of the first fixing column and the front end of the fourth fixing column is equal to the inner wall length of the box body. The distance between the rear end of the first fixing column and the front end of the fourth fixing column prevents the first fixing column and the fourth fixing column from being cut when the cutting machine is performing cutting work while clamping and fixing the binding film.

[0014] Advantages of the present utility model:

[0015] 1. By rotating the crank, the crank drives the first stud to rotate on the box body. The first limiting block is restricted by the inner wall of the box body. When the first stud rotates, it drives the first limiting block to move back and forth on the inner wall of the box body. Through the calibration block provided on the fixing plate, the central protruding block of the calibration block is flush with the cutting blade of the cutting machine. When rotating the crank, by aligning the central protruding block of the calibration block with the position of the marking code, the cutting position of the cutting machine is adjusted, solving the problem that it is inconvenient to adjust the position of the cutting machine, resulting in only being able to cut binding films of a fixed width.

[0016] 2. By respectively arranging a plurality of first fixing columns and fourth fixing columns on the first rotating disc and the second rotating disc, a plurality of binding films to be cut can be installed. Then, by starting the motor to rotate the first rotating disc and starting the cutting machine to cut the binding films fixed on the first fixing columns and the fourth fixing columns. When one cutting is completed, through the active first fixing disc, the subsequent binding films are sequentially cut, solving the problem of low cutting efficiency caused by only being able to cut one binding film in one batch.

[0017] 3. When the binding film is inserted onto the fourth fixing column, the rear end of the binding film fits against the front end of the first fixing disc. By sliding the first fixing disc back and forth on the outer wall of the third fixing column, the front end of the binding film is inserted into the first fixing column. Then, the front end of the binding film fits against the rear end of the first rotating disc. By rotating the nut on the outer wall of the second stud, the position of the second fixing disc is fixed by the nut, so as to ensure that the binding film does not shake during the cutting process, and the accuracy of the cutting work is improved. Description of the drawings

[0018] Figure 1 The figure shows a three-dimensional structural schematic diagram of a film cutting device with adjustable cutting width according to the present utility model;

[0019] Figure 2 The figure shows a three-dimensional structural exploded schematic diagram of a cutting machine and a first limit block of a film cutting device with adjustable cutting width according to the present utility model;

[0020] Figure 3 The figure shows a three-dimensional structural schematic diagram of a box body and a stud of a film cutting device with adjustable cutting width according to the present utility model;

[0021] Figure 4 The figure shows a three-dimensional structural exploded schematic diagram of a base and a first rotating disk of a film cutting device with adjustable cutting width according to the present utility model;

[0022] Figure 5 The figure shows a three-dimensional structural exploded schematic diagram of a second rotating disk and a first fixing disk of a film cutting device with adjustable cutting width according to the present utility model.

[0023] The reference numerals in the drawings are: 1, box body; 2, first stud; 3, crank; 4, first limit block; 5, thread groove; 6, fixing plate; 7, limit frame; 8, marking code; 9, calibration block; 10, second limit block; 11, cutting machine; 12, base; 13, connecting block; 14, motor; 15, first rotating disk; 16, first fixing column; 17, second fixing column; 18, first groove; 19, first slot; 20, pin; 21, inserting block; 22, second slot; 23, third fixing column; 24, second rotating disk; 25, fourth fixing column; 26, second stud; 27, nut; 28, second groove; 29, first fixing disk; 30, third groove; 31, fifth fixing column; 32, second fixing disk; 33, fourth groove; 34, fifth groove. Detailed implementation manners

[0024] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0025] Embodiment 1

[0026] Please refer to Figures 1-4, A film cutting device with adjustable cutting width, including a box body 1; the front and rear ends of the box body 1 are rotatably provided with first studs 2, the front end of the first stud 2 is fixedly connected with a crank 3, the upper right part of the box body 1 is provided with a code 8, the first stud 2 is provided with a first limiting block 4, the front and rear ends of the first limiting block 4 are provided with threaded grooves 5, the threaded grooves 5 are adapted to the first stud 2, the left and right ends of the first limiting block 4 are in contact with the left and right inner walls of the box body 1, the first limiting block 4 is fixedly connected with a fixing plate 6, the upper end of the fixing plate 6 is fixedly connected with a limiting frame 7, the inner wall of the limiting frame 7 is slidably provided with a second limiting block 10, the upper end of the second limiting block 10 is fixedly connected with a cutting machine 11, and the upper end of the fixing plate 6 is fixedly connected with a calibration block 9.

[0027] In this embodiment: By rotating the crank 3, the crank 3 drives the first stud 2 to rotate on the box body 1. The first limiting block 4 is restricted by the contact with the inner wall of the box body 1. When the first stud 2 rotates, it will drive the first limiting block 4 to move back and forth on the inner wall of the box body 1. Through the calibration block 9 provided on the fixing plate 6, the central protruding block of the calibration block 9 is flush with the cutting blade of the cutting machine 11. When rotating the crank 3, by aligning the central protruding block of the calibration block 9 with the position of the code 8, the cutting position of the cutting machine 11 can be adjusted.

[0028] Embodiment 2

[0029] Please refer to Figure 1 , On the basis of Embodiment 1, the present application provides a technical solution: A base 12 is provided at the left end of the box body 1, a connecting block 13 is fixedly connected to the upper end of the base 12, a motor 14 is fixedly connected to the upper end of the connecting block 13, and a first rotating disc 15 is fixedly connected to the rear end of the output shaft of the motor 14.

[0030] Please refer to Figures 4-5, in this embodiment, a first fixing column 16 evenly distributed in a circle is fixedly connected to the rear end of the first rotating disk 15, a second fixing column 17 is fixedly connected to the rear end of the first rotating disk 15, a first groove 18 is opened at the rear end of the second fixing column 17, a first slot 19 is opened on the outer wall of the second fixing column 17, a pin 20 is movably arranged on the inner wall of the first slot 19, a plug 21 is movably arranged on the inner wall of the first groove 18, second slots 22 are opened through the upper and lower ends of the plug 21, the second slots 22 are adapted to the pins 20, a third fixing column 23 is fixedly connected to the rear end of the plug 21, the front end of the third fixing column 23 is attached to the rear end of the second fixing column 17, a second rotating disk 24 is fixedly connected to the rear end of the third fixing column 23, fourth fixing columns 25 evenly distributed in a circle are fixedly connected to the front end of the second rotating disk 24, the fourth fixing columns 25 correspond to the first fixing columns 16 one by one, second grooves 28 evenly distributed in a circle are opened through the front and rear ends of the second rotating disk 24, fifth fixing columns 31 are slidably arranged on the inner walls of the second grooves 28, a first fixing disk 29 is fixedly connected to the front ends of the four fifth fixing columns 31 in total, the first fixing disk 29 is located in front of the second rotating disk 24, fifth grooves 34 are opened through the front and rear ends of the first fixing disk 29, the inner walls of the fifth grooves 34 are attached to the outer walls of the third fixing columns 23, the inner walls of the third grooves 30 are attached to the outer walls of the fourth fixing columns 25, a second screw column 26 is fixedly connected to the rear end of the second rotating disk 24, a second fixing disk 32 is fixedly connected to the rear ends of the four fifth fixing columns 31 in total, fourth grooves 33 are opened through the front and rear ends of the second fixing disk 32, the inner walls of the fourth grooves 33 are attached to the outer walls of the second screw column 26, the second screw column 26 passes through the fourth grooves 33 and extends to the rear end of the fourth grooves 33 to be threadedly installed with nuts 27, the front ends of the nuts 27 are attached to the rear ends of the second fixing disks 32. The rear end of the first rotating disk 15 is flush with the front end of the box body 1, and the distance between the rear end of the first fixing column 16 and the front end of the fourth fixing column 25 is equal to the length of the box body 1.

[0031] In this embodiment: By inserting the rear end of the bundling film into the fourth fixing post 25 on the second rotating disc 24, then inserting the insertion block 21 into the first slot 18, and then making the pin 20 sequentially pass through the first slot 19 and the second slot 22 and extend to the lower side of the outer wall of the second fixing post 17, the insertion block 21 is fixed to the inner wall of the first slot 18. When the bundling film is inserted onto the fourth fixing post 25, the rear end of the bundling film is in contact with the front end of the first fixing disc 29. By sliding the first fixing disc 29 back and forth on the outer wall of the third fixing post 23, the front end of the bundling film is inserted into the first fixing post 16, and then the front end of the bundling film is in contact with the rear end of the first rotating disc 15. By rotating the nut 27 on the outer wall of the second stud 26, the position of the second fixing disc 32 is fixed, so as to ensure that the bundling film does not shake during the cutting process, improving the accuracy of the cutting work. The distance between the rear end of the first fixing post 16 and the front end of the fourth fixing post 25 prevents the cutting machine 11 from cutting the first fixing post 16 and the fourth fixing post 25 while clamping and fixing the bundling film.

[0032] Working principle: By inserting the rear end of the bundling film into the fourth fixing post 25 on the second rotating disc 24, then inserting the insertion block 21 into the first slot 18, and then making the pin 20 sequentially pass through the first slot 19 and the second slot 22 and extend to the lower side of the outer wall of the second fixing post 17, the insertion block 21 is fixed to the inner wall of the first slot 18. When the bundling film is inserted onto the fourth fixing post 25, the rear end of the bundling film is in contact with the front end of the first fixing disc 29. By sliding the first fixing disc 29 back and forth on the outer wall of the third fixing post 23, the front end of the bundling film is inserted into the first fixing post 16, and then the front end of the bundling film is in contact with the rear end of the first rotating disc 15. By rotating the nut 27 on the outer wall of the second stud 26, the position of the second fixing disc 32 is fixed, so as to ensure that the bundling film does not shake during the cutting process, improving the accuracy of the cutting work.

[0033] Then, by rotating the crank 3, the crank 3 drives the first stud 2 to rotate on the box body 1. The first limiting block 4 is restricted by the inner wall of the box body 1. When the first stud 2 rotates, it drives the first limiting block 4 to move back and forth on the inner wall of the box body 1. Through the calibration block 9 provided on the fixing plate 6, the central protruding block of the calibration block 9 is flush with the cutting blade of the cutting machine 11. When rotating the crank 3, by aligning the central protruding block of the calibration block 9 with the position of the marking code 8, the cutting position of the cutting machine 11 is adjusted.

[0034] The above describes the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. A film cutting device with adjustable cutting width, comprising a box body (1); characterized in that: The box body (1) is rotatably provided with a first stud (2) at the front and rear ends, a crank (3) is fixedly connected to the front end of the first stud (2), a mark (8) is provided at the upper right part of the box body (1), a first limit block (4) is provided on the first stud (2), a thread groove (5) is provided at the front and rear ends of the first limit block (4), the thread groove (5) is matched with the first stud (2), the left and right ends of the first limit block (4) are fitted with the left and right ends of the inner wall of the box body (1), a fixing plate (6) is fixedly connected to the first limit block (4), the upper end of the fixing plate (6) is fixedly connected to the limit frame (7), the inner wall of the limit frame (7) is slidably provided with a second limit block (10), the upper end of the second limit block (10) is fixedly connected to the cutting machine (11), and the upper end of the fixing plate (6) is fixedly connected to the calibration block (9).

2. A film cutting device with adjustable cutting width according to claim 1, characterized in that: A base (12) is provided at the left end of the box body (1), a connecting block (13) is fixedly connected to the upper end of the base (12), a motor (14) is fixedly connected to the upper end of the connecting block (13), and a first rotating disk (15) is fixedly connected to the rear end of the output shaft of the motor (14).

3. A film cutting device with adjustable cutting width according to claim 2, characterized in that: The rear end of the first rotating disk (15) is fixedly connected to a first fixed column (16) uniformly distributed in a circle, the rear end of the first rotating disk (15) is fixedly connected to a second fixed column (17), the rear end of the second fixed column (17) is provided with a first groove body (18), the outer wall of the second fixed column (17) is provided with a first slot (19), and the inner wall of the first slot (19) is movably provided with a latch (20).

4. A film cutting device with adjustable cutting width according to claim 3, characterized in that: An insert block (21) is movably provided on the inner wall of the first slot body (18); a second slot (22) is provided through the upper and lower ends of the insert block (21); the second slot (22) is matched with the latch pin (20); a third fixing column (23) is fixedly connected to the rear end of the insert block (21); a front end of the third fixing column (23) is fitted with a rear end of the second fixing column (17); a second rotating disk (24) is fixedly connected to the rear end of the third fixing column (23); a fourth fixing column (25) is fixedly connected to the front end of the second rotating disk (24) and is evenly distributed in a circular shape; the fourth fixing column (25) corresponds to the first fixing column (16) one by one; and a second slot body (28) is provided through the front and rear ends of the second rotating disk (24) and is evenly distributed in a circular shape.

5. The film cutting device with adjustable cutting width according to claim 4, characterized in that: A fifth fixing column (31) is slidably arranged on the inner wall of the second groove body (28); the front ends of the four fifth fixing columns (31) are fixedly connected to a first fixing plate (29); the first fixing plate (29) is located in front of the second rotating plate (24); the front and rear ends of the first fixing plate (29) are penetrated by a fifth groove body (34); the inner wall of the fifth groove body (34) is in contact with the outer wall of the third fixing column (23); and the inner wall of the third groove body (30) is in contact with the outer wall of the fourth fixing column (25).

6. The film cutting device with adjustable cutting width according to claim 4, characterized in that: The rear end of the second rotating disk (24) is fixedly connected to a second stud (26), and the rear ends of the four fifth fixing columns (31) are fixedly connected to a second fixing disk (32). The front and rear ends of the second fixing disk (32) are penetrated by a fourth groove (33), the inner wall of the fourth groove (33) is fitted with the outer wall of the second stud (26), the second stud (26) passes through the fourth groove (33) and extends to the rear end of the fourth groove (33) to be threadedly installed with a nut (27), and the front end of the nut (27) is fitted with the rear end of the second fixing disk (32).

7. The film cutting device with adjustable cutting width according to claim 1, characterized in that: The distance between the rear end of the first fixing column (16) and the front end of the fourth fixing column (25) is equal to the length of the inner wall of the box body (1).

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