Film cutting machine capable of improving cutting flatness

Abstract

The utility model relates to the technical field of film cutting machines, in particular to a film cutting machine capable of improving cutting flatness. The film cutting machine capable of improving the cutting flatness comprises a connecting frame, a worm and gear speed reducing motor is arranged on the right side of the connecting frame, a film cutting plate is placed at the bottom of the connecting frame, two sets of fixing plates are evenly arranged on the top of the film cutting plate, and inserting holes are evenly formed in the opposite sides of the two sets of fixing plates respectively. The stability of the plug pins inserted into the insertion holes can be improved through the second damping linings, the stability after the fixing plate and the film cutting plate are installed can be improved through the first damping linings and the damping pads, meanwhile, vibration generated when the film cutting plate works can be absorbed, and it can be guaranteed that the weights of the left side and the right side of the connecting frame are the same through the balancing weights; and meanwhile, a guide rod is matched to assist the connecting frame to stably move downwards to drive the film cutting plate to perform die cutting, so that the cutting stability of the film cutting plate is ensured, and the cutting flatness is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film cutting machines, in particular to a film cutting machine capable of improving cutting flatness. Background Art

[0002] After the processing of electronic devices such as laptops is completed, a protective film will be pasted on the shell. The protective film is usually made of polyester film, which has the characteristics of high transparency, scratch resistance, dust resistance, and waterproofness, and can effectively protect electronic devices. For protective film manufacturers, after the protective film is processed, the protective film needs to be wound up in a certain length and then transported to the manufacturers of electronic devices such as laptops. However, after the protective film is wound, the excess part needs to be cut off. The traditional method is to use manual cutting, which is not only inefficient, but also irregular, which easily causes waste of protective film. Therefore, film cutting machines came into being.

[0003] The Chinese patent with the announcement number CN217195719U discloses a cutting device for a film cutting machine, comprising: a frame, a bracket, a cutter driving device, a knife seat, and a cutter, wherein the bracket is arranged on the frame; the cutter driving device is arranged on the bracket; the knife seat is arranged on the cutter driving device; and the cutter is connected to the knife seat by a clamping device. The cutting device for a film cutting machine provided by the utility model has a knife seat arranged on the cutter driving device, and the cutter and the knife seat are connected by clamping, which is convenient for loading and unloading, thereby effectively improving the efficiency of changing the cutter;

[0004] The above-mentioned existing technical solution has the following defects: when installing the cutter, one worker is required to press two sets of handles, and another worker is responsible for assembling the cutter. Therefore, two workers need to cooperate with each other to complete the replacement of the cutter, thereby reducing the convenience of replacing the cutter. In view of the above situation, technical innovation is carried out on the basis of the existing film cutting machine to improve cutting flatness. Utility Model Content

[0005] The utility model aims to provide a film cutting machine with improved cutting smoothness, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a film cutting machine for improving cutting flatness, comprising:

[0007] A connecting frame, a worm gear reduction motor is arranged on the right side of the connecting frame, a film cutting plate is placed at the bottom of the connecting frame, two groups of fixing plates are evenly arranged on the top of the film cutting plate, and the opposite sides of the two groups of fixing plates are evenly provided with plug holes, wherein:

[0008] A first slide groove is provided at the bottom of the connecting frame, a second slide groove is provided at the top of the first slide groove, a bidirectional screw rod is arranged in the second slide groove, the right side of the bidirectional screw rod passes through the right side of the connecting frame and is connected to the output end of the worm gear reduction motor, two groups of internal threaded sliders are evenly screwed on the outer side wall of the bidirectional screw rod, a connecting plate is provided at the bottom of the internal threaded slider, the connecting plate and the fixed plate are both arranged in the first slide groove, and pins are evenly provided on the opposite sides of the two groups of connecting plates, and the pins are inserted into the sockets of the fixed plate.

[0009] Preferably, the fixed plate and the membrane cutting plate are designed to be cut into one piece, the internal thread slider, the connecting plate and the pin are designed to be cut into one piece, a second shock-absorbing lining is provided in the socket of the fixed plate, and the outer wall of the pin is fitted with the inner wall of the second shock-absorbing lining.

[0010] Preferably, a first shock-absorbing lining is provided in the first slide groove, the inner wall of the first shock-absorbing lining is in contact with the outer wall of the fixed plate, and a shock-absorbing pad is provided at the bottom of the connecting frame, and the bottom of the shock-absorbing pad is in contact with the top of the membrane cutting plate.

[0011] Preferably, a counterweight block is arranged on the left side of the connecting frame, the weight of the counterweight block is the same as the weight of the worm gear reduction motor, and an electric telescopic rod is arranged on the top of the connecting frame.

[0012] Preferably, a frame is provided on the top of the electric telescopic rod, a workbench is provided on the bottom of the frame, a main controller is provided on the top of the frame, and the main controller is electrically connected to the worm gear reduction motor.

[0013] Preferably, guide holes are uniformly provided on the top of the frame, shock-absorbing sleeves are arranged in the guide holes, and guide rods are uniformly provided on the top of the connecting frame, and the guide rods are arranged in the shock-absorbing sleeves.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] According to the utility model, when replacing the membrane cutting plate, the worker only needs to control the main controller with one hand and hold the membrane cutting plate with the other hand to complete the work of replacing the membrane cutting plate by one person, thereby improving the convenience of using the device;

[0016] The second shock-absorbing lining can improve the stability of the pin inserted in the socket, the first shock-absorbing lining and the shock-absorbing pad can improve the stability of the fixed plate and the membrane cutting plate after installation, and can also absorb the vibration generated when the membrane cutting plate is working. The counterweight block can ensure that the weight on the left and right sides of the connecting frame is the same. At the same time, the guide rod can assist the connecting frame to move downward stably to drive the membrane cutting plate for die-cutting, thereby ensuring the stability of the membrane cutting plate during cutting and improving the cutting flatness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a film cutting machine for improving cutting flatness according to the utility model;

[0018] Figure 2 This is a partial front cross-sectional view of a film cutting machine for improving cutting smoothness according to the utility model;

[0019] Figure 3 For this utility model Figure 2 Enlarged view of part A.

[0020] In the figure: 1. workbench; 11. frame; 12. main controller; 13. guide rod; 14. shock-absorbing sleeve; 2. electric telescopic rod; 21. connecting frame; 22. shock-absorbing pad; 23. membrane cutting plate; 24. worm gear reduction motor; 25. counterweight; 221. first shock-absorbing lining; 223. second shock-absorbing lining; 231. fixing plate; 241. bidirectional screw rod; 242. internal thread slider; 243. connecting plate; 244. latch. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 3A film cutting machine for improving cutting flatness includes a connecting frame 21, a worm gear reduction motor 24 is fixedly arranged on the right side of the connecting frame 21, a film cutting plate 23 is placed at the bottom of the connecting frame 21, two groups of fixed plates 231 are evenly fixedly arranged on the top of the film cutting plate 23, and the opposite sides of the two groups of fixed plates 231 are evenly provided with plug holes, a first slide groove is arranged at the bottom of the connecting frame 21, a second slide groove is arranged on the top of the first slide groove, a bidirectional screw rod 241 is rotatably arranged in the second slide groove, the right side of the bidirectional screw rod 241 passes through the right side of the connecting frame 21 and is connected to the output end of the worm gear reduction motor 24, and the outer wall of the bidirectional screw rod 241 is evenly screwed with two groups of The internal thread slider 242 has a connecting plate 243 fixedly arranged at the bottom thereof. The connecting plate 243 and the fixed plate 231 are both slidably arranged in the first slide groove. The opposite sides of the two groups of connecting plates 243 are evenly fixedly arranged with latches 244 respectively. The latches 244 are plugged into the insertion holes of the fixed plate 231. The two-way screw rod 241 is driven to rotate by the worm gear reduction motor 24, thereby driving the two groups of internal thread sliders 242 to move outward synchronously. The connecting plate 243 and the latches 244 are driven to move synchronously by the internal thread slider 242. When the latches 244 are separated from the insertion holes of the fixed plate 231, the membrane cutting plate 23 connected to the fixed plate 231 can be removed.

[0023] The fixing plate 231 and the membrane cutting plate 23 are designed to be cut into one piece, the internal thread slider 242, the connecting plate 243 and the latch 244 are designed to be cut into one piece, the second shock absorbing lining 223 is fixedly arranged in the insertion hole of the fixing plate 231, the outer wall of the latch 244 is fitted with the inner wall of the second shock absorbing lining 223, the first sliding groove is fixedly arranged with the first shock absorbing lining 221, the inner wall of the first shock absorbing lining 221 is fitted with the outer wall of the fixing plate 231, and the bottom of the connecting frame 21 is fixedly arranged with the first sliding groove. A shock-absorbing pad 22 is fixedly arranged on the bottom, and the bottom of the shock-absorbing pad 22 fits with the top of the membrane cutting plate 23. The second shock-absorbing lining 223 can improve the stability of the plug 244 inserted in the socket. The first shock-absorbing lining 221 and the shock-absorbing pad 22 can improve the stability of the fixed plate 231 and the membrane cutting plate 23 after installation, and can also absorb the vibration generated when the membrane cutting plate 23 is working. A counterweight block 25 is fixedly arranged on the left side of the connecting frame 21. The weight of the counterweight block 25 is equal to the weight of the worm gear reduction motor 2 4 has the same weight, and the counterweight block 25 can ensure that the weight on the left and right sides of the connecting frame 21 is the same. At the same time, the guide rod 13 can assist the connecting frame 21 to move downward stably to drive the film cutting plate 23 to perform die-cutting. An electric telescopic rod 2 is fixedly arranged on the top of the connecting frame 21, and the connecting frame 21 is driven to move downward by the electric telescopic rod 2, and then the film cutting plate 23 is driven to move downward to perform die-cutting. A frame 11 is fixedly arranged on the top of the electric telescopic rod 2, and a workbench 1 is fixedly arranged on the bottom of the frame 11. A main controller 12 is fixedly arranged on the top of the frame 11, and the main controller 12 is electrically connected to the worm gear reduction motor 24, and the worm gear reduction motor 24 is controlled by the main controller 12 to work. Guide holes are evenly penetrated through the top of the frame 11, and a shock-absorbing sleeve 14 is fixedly arranged in the guide hole. A guide rod 13 is evenly fixedly arranged on the top of the connecting frame 21, and the guide rod 13 is slidably arranged in the shock-absorbing sleeve 14, and the shock-absorbing sleeve 14 assists the guide rod 13 to move up and down stably.

[0024] Working principle: When replacing the membrane cutting plate 23, the worker only needs to control the main controller 12 with one hand and hold the membrane cutting plate 23 with the other hand to complete the work of replacing the membrane cutting plate 23 by one person, thereby improving the convenience of using the device. After the fixing plate 231 is inserted into the first slide groove, the main controller 12 controls the worm gear reduction motor 24 to work, and the worm gear reduction motor 24 drives the bidirectional screw 241 to rotate, thereby driving the two groups of internal thread sliders 242 to move inward synchronously, and the internal thread slider 242 drives the connecting plate 243 and the latch 244 to move synchronously. When the latch 244 is plugged into the socket of the fixing plate 231, the fixing of the membrane cutting plate 23 can be completed. The electric telescopic rod 2 drives the connecting frame 21 to move downward, and then drives the membrane cutting plate 23 to move downward for die-cutting; the second shock-absorbing lining 223 can improve the stability of the pin 244 inserted in the socket, and the first shock-absorbing lining 221 and the shock-absorbing pad 22 can improve the stability of the fixed plate 231 and the membrane cutting plate 23 after installation, and can also absorb the vibration generated when the membrane cutting plate 23 is working. The counterweight block 25 can ensure that the weight of the left and right sides of the connecting frame 21 is the same. At the same time, the guide rod 13 can assist the connecting frame 21 to move downward stably to drive the membrane cutting plate 23 to perform die-cutting, thereby ensuring the stability of the membrane cutting plate 23 during cutting, and then improving the cutting flatness.

Claims

1. A film cutting machine for improving cutting flatness, characterized in that: include: A connecting frame (21), a worm gear reduction motor (24) is arranged on the right side of the connecting frame (21), a membrane cutting plate (23) is placed on the bottom of the connecting frame (21), two groups of fixing plates (231) are evenly arranged on the top of the membrane cutting plate (23), and opposite sides of the two groups of fixing plates (231) are evenly provided with plug holes, wherein: A first slide groove is provided at the bottom of the connecting frame (21), a second slide groove is provided at the top of the first slide groove, a bidirectional screw rod (241) is arranged in the second slide groove, the right side of the bidirectional screw rod (241) passes through the right side of the connecting frame (21) and is connected to the output end of the worm gear reduction motor (24), two groups of internal thread sliders (242) are evenly screwed on the outer wall of the bidirectional screw rod (241), a connecting plate (243) is provided at the bottom of the internal thread slider (242), the connecting plate (243) and the fixed plate (231) are both arranged in the first slide groove, and the opposite sides of the two groups of the connecting plates (243) are evenly provided with latches (244), and the latches (244) are plugged into the sockets of the fixed plate (231).

2. A film cutting machine for improving cutting smoothness according to claim 1, characterized in that: The fixing plate (231) and the membrane cutting plate (23) are designed to be cut into one piece, the internal thread slider (242), the connecting plate (243) and the latch (244) are designed to be cut into one piece, a second shock-absorbing lining (223) is arranged in the insertion hole of the fixing plate (231), and the outer side wall of the latch (244) is in contact with the inner side wall of the second shock-absorbing lining (223).

3. A film cutting machine for improving cutting smoothness according to claim 1, characterized in that: A first shock-absorbing lining (221) is arranged in the first slide groove, and the inner wall of the first shock-absorbing lining (221) is in contact with the outer wall of the fixing plate (231). A shock-absorbing pad (22) is arranged at the bottom of the connecting frame (21), and the bottom of the shock-absorbing pad (22) is in contact with the top of the membrane cutting plate (23).

4. A film cutting machine for improving cutting smoothness according to claim 1, characterized in that: A counterweight block (25) is arranged on the left side of the connecting frame (21), the weight of the counterweight block (25) being the same as the weight of the worm gear reduction motor (24), and an electric telescopic rod (2) is arranged on the top of the connecting frame (21).

5. A film cutting machine for improving cutting smoothness according to claim 4, characterized in that: A frame (11) is arranged on the top of the electric telescopic rod (2), a workbench (1) is arranged on the bottom of the frame (11), a main controller (12) is arranged on the top of the frame (11), and the main controller (12) is electrically connected to a worm gear reduction motor (24).

6. A film cutting machine for improving cutting smoothness according to claim 5, characterized in that: The top of the frame (11) is evenly penetrated with guide holes, and a shock-absorbing sleeve (14) is arranged in the guide hole; the top of the connecting frame (21) is evenly provided with guide rods (13), and the guide rods (13) are arranged in the shock-absorbing sleeve (14).

Images