Cutting device for acrylic protective film

Abstract

The utility model discloses a cutting device for an acrylic protective film, which comprises a support, a cutting mechanism is mounted on the support, the cutting mechanism comprises a second transverse plate, a first sliding groove is formed in the second transverse plate, a limiting mechanism is mounted in the first sliding groove, a block body is arranged on the second transverse plate, a T-shaped rod is fixed at one end of the block body, a first circular ring is sleeved on the T-shaped rod, and a second circular ring is sleeved on the first circular ring. A cutter is installed at the bottom end of the first circular ring, a T-shaped rod is in threaded fit with a nut, one end of a limiting mechanism is matched with the T-shaped rod, and a second circular groove is formed in one end of the T-shaped rod. The cutting mechanism is installed on the support of the workbench, the limiting mechanism is installed on the cutting mechanism, and a first circular groove of the cutting mechanism is connected with the circular rod, so that when a cutting knife is installed on the T-shaped rod, angle deviation cannot occur, and the cutting knife can be limited through a nut at one end of the T-shaped rod; and the limiting mechanism can conduct limiting operation on the cutting knife and the nut again, the installation stability of the cutting knife is improved, and the cutting operation on the acrylic protective film is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of acrylic protective film cutting, in particular to a cutting device for acrylic protective films. Background Art

[0002] An acrylic protective film is a protective film made of specific materials, mainly used to protect various surfaces from scratches, contamination and daily wear. The acrylic protective film is also known as a thermoplastic polymer protective film, which is a polymer material film with excellent wear resistance, capable of resisting external wear and scratches, protecting the surface of the protected material from damage, having good corrosion resistance to a variety of chemical substances, capable of preventing corrosive substances such as acids and alkalis from eroding the protected material, can be customized in various sizes and shapes according to customer needs to meet the requirements of different application scenarios, can closely adhere to the surfaces of various materials such as metals, plastics and glasses to provide comprehensive protection, and is widely used in many fields such as construction, exhibition display, home decoration, advertising production and industry. When selecting and using an acrylic protective film, reasonable selection needs to be made according to specific application scenarios and requirements to ensure that it can exert the best protection effect. When the acrylic protective film is processed and produced, a cutting device needs to be used to meet specific size and shape requirements, improve material utilization rate, improve product quality and appearance, and adapt to the needs of an automated production line.

[0003] When the existing cutting device for acrylic protective films is working, the phenomenon of easy loosening during the installation of the blade increases the risk of the blade falling off and also affects the stable progress of the entire shearing operation. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a cutting device for acrylic protective films. Through the mutual connection between the first circular groove and the round rod, the cutting knife will not have an angular deviation on the T-shaped rod. The limiting mechanism can perform a secondary limiting operation on the cutting knife and the nut, increasing the installation stability of the cutting knife and ensuring the cutting operation of the acrylic protective film.

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

[0006] A cutting device for an acrylic protective film, comprising a bracket, a cutting mechanism is installed on the bracket, the cutting mechanism includes a second cross plate, a first chute is opened inside the second cross plate, a limiting mechanism is installed inside the first chute, a block is arranged on the second cross plate, one end of the block is fixed with a T-shaped rod, a first ring is sleeved on the T-shaped rod, a cutting knife is installed at the bottom end of the first ring, the T-shaped rod is in threaded cooperation with a nut, one end of the limiting mechanism is cooperated on the T-shaped rod, a second circular groove is opened at one end of the T-shaped rod, the limiting mechanism includes a second threaded rod, both ends of the second threaded rod are installed inside the first chute through second bearings, a third threaded cylinder is in threaded cooperation with the second threaded rod, a plate body is installed at the bottom end of the third threaded cylinder, a third ring and a cylinder are installed on one side of the plate body, and the cylinder is cooperated inside the second circular groove.

[0007] Preferably, a frame is installed on the bracket, a first motor is arranged inside the frame, a lead screw is installed on the output shaft of the first motor, a first threaded cylinder is in threaded cooperation with the lead screw, a first cross plate is installed at the bottom end of the first threaded cylinder, an electric push rod is installed on the first cross plate, and the cutting mechanism is installed on the output shaft of the electric push rod.

[0008] Preferably, a first circular groove is opened inside the first ring, a round rod is installed on the T-shaped rod, and the round rod is cooperated with the first circular groove.

[0009] Preferably, a workbench is installed at the bottom end of the bracket, a second chute is opened on the workbench, a second threaded cylinder is installed at one end of the second chute, a sliding plate is slidably cooperated inside the second chute, a hole is opened on the sliding plate, a second clamping block is arranged inside the hole, a slider is installed at the bottom end of the sliding plate, a first bearing is installed on one side of the slider, and a first threaded rod is installed inside the inner ring of the first bearing, and one end of the first threaded rod extends outside the second threaded cylinder in a threaded manner.

[0010] Preferably, a first side plate is installed on the workbench, the first side plate is parallel to the sliding plate, a second ring is installed on the side wall of the first side plate, a first clamping block is arranged inside the second ring, and a long rod is installed between the second ring and the sliding plate through the first clamping block and the second clamping block.

[0011] Preferably, two second side plates are installed on the workbench, a rotating rod is installed between the two second side plates, and one end of the rotating rod extends outside the second side plate and is connected to a second motor.

[0012] The utility model has the following beneficial effects:

[0013] 1. A cutting mechanism is installed on the bracket of the workbench, a limiting mechanism is installed on the cutting mechanism, the first circular groove of the cutting mechanism is connected with the round rod, so that the cutting knife will not be angularly offset when installed on the T-shaped rod, the nut at one end of the T-shaped rod can limit the cutting knife, and the limiting mechanism can perform a secondary limiting operation on the cutting knife and the nut, increasing the installation stability of the cutting knife and ensuring the cutting operation of the acrylic protective film.

[0014] 2. A long rod is installed between the second ring and the skateboard through the first clamping block and the second clamping block. The reel of the acrylic protective film is sleeved on the long rod. The skateboard can be adjusted on the long rod according to the length dimension of the reel of the acrylic protective film. The second ring and the skateboard clamp and place the reel of the acrylic protective film, ensuring that the cutting device can cut acrylic protective films of different sizes according to the needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the cutting mechanism and the limiting mechanism;

[0016] Figure 2 is a schematic internal structural diagram of the cutting mechanism and the limiting mechanism;

[0017] Figure 3 is a schematic structural diagram of the upper frame of the bracket;

[0018] Figure 4 is a schematic right-side structural diagram of the cutting device;

[0019] Figure 5 is a schematic left-side structural diagram of the cutting device.

[0020] In the figure: 1. Bracket; 101. Frame; 102. First motor; 103. Lead screw; 104. First threaded barrel; 105. First cross plate; 106. Electric push rod; 2. Cutting mechanism; 201. Second cross plate; 202. First chute; 203. Block; 204. Cutting knife; 205. First ring; 206. First circular groove; 207. T-shaped rod; 208. Round rod; 209. Second circular groove; 3. Workbench; 301. Second chute; 302. First side plate; 303. Second ring; 304. First clamping block; 305. Skateboard; 306. Second clamping block; 307. Slide block; 308. First bearing; 309. Second threaded barrel; 3010. First threaded rod; 4. Long rod; 5. Second side plate; 6. Rotating rod; 7. Second motor; 8. Limiting mechanism; 801. Second threaded rod; 802. Second bearing; 803. Third threaded barrel; 804. Plate body; 805. Third ring; 806. Cylinder; 9. Nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0022] Refer to Figures 1-5, a cutting device for acrylic protective film, including a bracket 1. A workbench 3 is installed at the bottom end of the bracket 1. Two second side plates 5 are installed on the workbench 3. A rotating rod 6 is installed between the two second side plates 5. One end of the rotating rod 6 extends outside the second side plate 5 and is connected to a second motor 7. The second motor 7 is a three-phase asynchronous vibration motor with the model of YZS. One end of the reel of the acrylic protective film is connected to the rotating rod 6. The second motor 7 drives the rotating rod 6 to rotate between the two second side plates 5 to tighten the acrylic protective film.

[0023] A second chute 301 is opened on the workbench 3. A second threaded cylinder 309 is installed at one end of the second chute 301. A slide plate 305 is slidably fitted inside the second chute 301. A hole is opened on the slide plate 305, and a second clamping block 306 is arranged inside the hole. A slider 307 is installed at the bottom end of the slide plate 305. A first bearing 308 is installed on one side of the slider 307. The inner ring of the first bearing 308 installs a first threaded rod 3010. One end of the first threaded rod 3010 is threaded and extends outside the second threaded cylinder 309. A first side plate 302 is installed on the workbench 3. The first side plate 302 is parallel to the slide plate 305. A second circular ring 303 is installed on the side wall of the first side plate 302. A first clamping block 304 is arranged inside the second circular ring 303. A long rod 4 is installed between the second circular ring 303 and the slide plate 305 through the first clamping block 304 and the second clamping block 306. The reel of the acrylic protective film is sleeved on the long rod 4. The slide plate 305 can be adjusted on the long rod 4 according to the length dimension of the reel of the acrylic protective film. The second circular ring 303 and the slide plate 305 clamp and place the reel of the acrylic protective film.

[0024] A cutting mechanism 2 is installed on the bracket 1. The cutting mechanism 2 includes a second cross plate 201. A first chute 202 is opened inside the second cross plate 201. A limiting mechanism 8 is installed inside the first chute 202. A block 203 is arranged on the second cross plate 201. One end of the block 203 fixes a T-shaped rod 207. A first circular ring 205 is sleeved on the T-shaped rod 207. A cutting knife 204 is installed at the bottom end of the first circular ring 205. The cutting knife 204 is sleeved on the T-shaped rod 207 through the first circular ring 205, so that the first circular groove 206 and the round rod 208 are connected to each other, so that the cutting knife 204 will not be angularly offset on the T-shaped rod 207. The T-shaped rod 207 is threadedly matched with a nut 9, and the nut 9 can limit the cutting knife 204 once. One end of the limiting mechanism 8 is fitted on the T-shaped rod 207. A first circular groove 206 is opened inside the first circular ring 205. A round rod 208 is installed on the T-shaped rod 207. The round rod 208 is matched with the first circular groove 206. A second circular groove 209 is opened at one end of the T-shaped rod 207.

[0025] A frame 101 is installed on the bracket 1. A first motor 102 is arranged inside the frame 101. The first motor 102 is a brushless DC motor with the model JC35W5. A lead screw 103 is installed on the output shaft of the first motor 102. A first threaded barrel 104 is in threaded fit with the lead screw 103. A first horizontal plate 105 is installed at the bottom end of the first threaded barrel 104. An electric push rod 106 is installed on the first horizontal plate 105. The electric push rod 106 is a DC electric push rod with the model NKLA22. The cutting mechanism 2 is installed on the output shaft of the electric push rod 106. The lead screw 103 installed by the first motor 102 enables the cutting mechanism 2 to move parallel on the bracket 1, so that the cutting knife 204 on the cutting mechanism 2 can move parallel according to the user's needs. At the same time, the installation of the electric push rod 106 enables the cutting knife 204 of the cutting mechanism 2 to move towards the top surface of the acrylic protective film between the long rod 4 and the rotating rod 6, ensuring the cutting of the acrylic protective film by the cutting knife 204.

[0026] The limiting mechanism 8 includes a second threaded rod 801. Both ends of the second threaded rod 801 are installed inside the first sliding groove 202 through second bearings 802. A third threaded barrel 803 is in threaded fit with the second threaded rod 801. A plate body 804 is installed at the bottom end of the third threaded barrel 803. A third ring 805 and a cylinder 806 are installed on one side of the plate body 804. The cylinder 806 is fitted inside the second circular groove 209. The limiting mechanism 8 can perform a secondary limiting operation on the cutting knife 204 and the nut 9, increasing the installation stability of the cutting knife 204 and ensuring the cutting operation of the acrylic protective film.

[0027] When using the cutting device to cut the acrylic protective film, the acrylic protective film to be cut is placed on the long rod 4 and the rotating rod 6 on the workbench 3. A cutting mechanism 2 and a limiting mechanism 8 are installed on the bracket 1 of the workbench 3. Rotate the second threaded rod 801 inside the first sliding groove 202. The third threaded barrel 803 on the second threaded rod 801 can drive the third ring 805 and the cylinder 806 on one side of the plate body 804 to separate from the T-shaped rod 207 and the second circular groove 209. Threadedly rotate the nut 9 on the T-shaped rod 207, and sleeved the first ring 205 on the cutting knife 204 on the T-shaped rod 207. The round rod 208 on the T-shaped rod 207 can be fitted inside the first circular groove 206 of the first ring 205, so that the cutting knife 204 can be installed on the T-shaped rod 207. Repeat the installation of the nut 9. The nut 9 can limit the first ring 205 on the T-shaped rod 207. Rotate the second threaded rod 801 again, and fit the third ring 805 and the cylinder 806 to the T-shaped rod 207 and the second circular groove 209 again to perform secondary limiting and fixing on the nut 9 and the cutting knife 204, ensuring the cutting stability of the cutting knife 204 for the protective film and avoiding shaking during cutting.

[0028] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, making equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims

1. A cutting device for an acrylic protective film, comprising a bracket (1), characterized in that: A cutting mechanism (2) is installed on the bracket (1). The cutting mechanism (2) includes a second cross plate (201). A first sliding groove (202) is formed inside the second cross plate (201). A limiting mechanism (8) is installed inside the first sliding groove (202). A block (203) is arranged on the second cross plate (201). One end of the block (203) is fixed with a T-shaped rod (207). A first ring (205) is sleeved on the T-shaped rod (207). A cutting knife (204) is installed at the bottom end of the first ring (205). The T-shaped rod (207) is in threaded cooperation with a nut (9). One end of the limiting mechanism (8) is fitted on the T-shaped rod (207). A second circular groove (209) is formed at one end of the T-shaped rod (207). The limiting mechanism (8) includes a second threaded rod (801). Both ends of the second threaded rod (801) are installed inside the first sliding groove (202) through second bearings (802). A third threaded cylinder (803) is in threaded cooperation with the second threaded rod (801). A plate body (804) is installed at the bottom end of the third threaded cylinder (803). A third ring (805) and a cylinder (806) are installed on one side of the plate body (804). The cylinder (806) is fitted inside the second circular groove (209).

2. The cutting device for an acrylic protective film according to claim 1, characterized in that: A frame body (101) is installed on the bracket (1). A first motor (102) is arranged inside the frame body (101). A lead screw (103) is installed on the output shaft of the first motor (102). A first threaded cylinder (104) is in threaded cooperation with the lead screw (103). A first cross plate (105) is installed at the bottom end of the first threaded cylinder (104). An electric push rod (106) is installed on the first cross plate (105). The cutting mechanism (2) is installed on the output shaft of the electric push rod (106).

3. The cutting device for an acrylic protective film according to claim 1, characterized in that: A first circular groove (206) is formed inside the first ring (205). A round rod (208) is installed on the T-shaped rod (207). The round rod (208) is in cooperation with the first circular groove (206).

4. The cutting device for an acrylic protective film according to claim 1, characterized in that: A workbench (3) is installed at the bottom end of the bracket (1). A second sliding groove (301) is formed on the workbench (3). A second threaded cylinder (309) is installed at one end of the second sliding groove (301). A sliding plate (305) is slidably fitted inside the second sliding groove (301). A hole is formed in the sliding plate (305). A second block (306) is arranged inside the hole. A slider (307) is installed at the bottom end of the sliding plate (305). A first bearing (308) is installed on one side of the slider (307). A first threaded rod (3010) is installed on the inner ring of the first bearing (308). One end of the first threaded rod (3010) extends outside the second threaded cylinder (309) in a threaded manner.

5. The cutting device for an acrylic protective film according to claim 4, characterized in that: A first side plate (302) is installed on the workbench (3). The first side plate (302) is parallel to the sliding plate (305). A second ring (303) is installed on the side wall of the first side plate (302). A first clamping block (304) is arranged inside the second ring (303). A long rod (4) is installed between the second ring (303) and the sliding plate (305) through the first clamping block (304) and the second clamping block (306).

6. The cutting device for an acrylic protective film according to claim 4, wherein: Two second side plates (5) are installed on the workbench (3). A rotating rod (6) is installed between the two second side plates (5). One end of the rotating rod (6) extends outside the second side plate (5) and is connected to a second motor (7).

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