Cutting equipment with good safety

Through centrifugal force fixing structure and transparent protective cover design, the problems of loose cutting knife and splashing waste in cutting equipment are solved, improving safety and cleanliness.

CN223161004UActive Publication Date: 2025-07-29SHENZHEN HENGKUNTAI PRECISION DIE CUTTING TECH CO LTD
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Patent Information

Application Number
CN202422454751.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-07-29
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

The cutting knife in existing cutting equipment may fall off due to loose vibration, which poses safety risks, and the splash of waste chips during the cutting process will cause harm to the operator.

Method used

The centrifugal force fixing structure and transparent protective cover design are adopted. The cutting knife is fixed under the action of centrifugal force through an iron pin to prevent loosening. The transparent protective cover is used to isolate the cutting knife and waste chips to prevent splashing.

Benefits of technology

Effectively prevent the cutting knife from loosening and scraps from splashing, improve the safety of cutting equipment and the protection of operators, and keep the equipment clean.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of cutting equipment, and discloses cutting equipment with good safety, which comprises a working table, a material fixing structure is fixedly arranged at the upper end of the working table, and a cutting groove penetrating through the working table is formed in the position, close to the material fixing structure, of the upper end of the working table. A material processing structure is fixedly arranged at the position, above the cutting groove, of the upper end of the workbench, the material processing structure comprises a third motor, a cutter fixing structure is fixedly arranged at the output end of the third motor and comprises a fixing bolt, and the position, close to the fixing bolt, of a rotating shaft of the third motor is fixedly sleeved with a fixing base; and an annular cavity is formed in the position, located between the fixing bolt and the fixing base, of the rotating shaft of the third motor, a spring ring is contained in the annular cavity, iron pins are fixedly arranged in the four directions of the spring ring, and the iron pins penetrate through the rotating shaft and extend into the clamping groove. When the device is used for cutting operation, the third motor drives the cutting knife to rotate through the rotating shaft, at the moment, the iron pin in the rotating shaft moves into the clamping groove of the sleeve under the action of centrifugal force, additional support is provided, the stability of the blade in the cutting process is enhanced, and safety is enhanced.
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Description

Technical Field

[0001] The utility model relates to the field of cutting equipment, in particular to a cutting equipment with good safety performance. Background Technique

[0002] Cutting equipment is a machine or tool used to cut materials or articles according to specific requirements. They are widely used in manufacturing, construction, printing, paper processing, textile and many other industries. Cutting equipment usually cuts materials with high-speed and high-pressure cutting tools, which poses a threat to the safety of operators. Therefore, protection structures need to be added to cutting equipment to improve safety.

[0003] Most of the existing cutting equipment fixes the cutting tool on the rotating shaft through bolts. In this structure, there is a risk that the cutting tool may become loose due to vibration during high-speed rotation or cutting, especially when the bolts or clamps are not fully locked, which may cause the cutting tool to fall off and cause harm to the equipment and staff. In addition, the cutting tools of most existing cutters are exposed outside, and the cutting tools may cause accidental injuries to staff during operation. In addition, the waste chips generated when the cutting tool cuts materials will fly out and stab the surrounding personnel.

[0004] Therefore, those skilled in the art provide a cutting equipment with good safety performance to solve the problems raised in the above background technique. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, and a cutting equipment with good safety performance is proposed. By designing a tool fixing structure that utilizes centrifugal force to strengthen the fixing effect of the cutting tool during operation, the safety of the equipment is enhanced. By setting a transparent protective cover, the cutting tool can be isolated to avoid personnel contact, and at the same time, the protective cover can also block the splashing of waste chips and prevent the high-speed flying waste chips from hurting people.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A cutting equipment with good safety performance, including a workbench, a material fixing structure is fixedly arranged at the upper end of the workbench, a cutting groove penetrating the workbench is opened at the upper end of the workbench near the material fixing structure, and a material processing structure is fixedly arranged at the upper end of the workbench above the cutting groove;

[0007] Two limiting plates are fixedly arranged at the center of the lower end of the workbench, a waste chip collection box is movably sleeved between the two limiting plates, the waste chip collection box is located below the material processing structure, eight rollers are fixedly arranged at the lower end of the waste chip collection box, and a handle is fixedly arranged on one side of the waste chip collection box.

[0008] Further, the material fixing structure includes a chute. On one side of the workbench close to the chute, a fixing plate is fixedly arranged. On the opposite side of the workbench and the fixing plate, a placing table is fixedly arranged. On the upper end of the placing table, a first motor is fixedly arranged. The output end of the first motor penetrates through the workbench and is fixedly provided with a first lead screw. The other end of the first lead screw is rotatably arranged on the inner wall of one side of the chute. A push plate is sleeved on the screw body of the first lead screw in a threaded manner.

[0009] Further, the material processing structure includes a transparent protective cover. On one side of the transparent protective cover, a ventilation pipe is fixedly sleeved. Inside the ventilation pipe, a fan is fixedly arranged.

[0010] Further, on the lower part near the side of the transparent protective cover close to the material fixing structure, a feed inlet is opened. On the side of the transparent protective cover far from the feed inlet, a discharge outlet is opened.

[0011] Further, on the side of the transparent protective cover far from the ventilation pipe, a storage box is fixedly arranged. Inside the storage box, a second motor is accommodated. The output end of the second motor penetrates through the transparent protective cover and is fixedly provided with a second lead screw. The other end of the second lead screw is rotatably arranged on the inner wall of one side of the transparent protective cover. A fixing block is sleeved on the screw body of the second lead screw in a threaded manner. On the lower end of the fixing block, a motor box is fixedly arranged. Inside the motor box, a third motor is accommodated. The output end of the third motor is fixedly provided with a tool fixing structure.

[0012] Further, a fixing rod parallel to the second lead screw is fixedly arranged inside the transparent protective cover. A sliding sleeve is arranged between the fixing rod and the fixing block.

[0013] Further, the tool fixing structure includes a fixing bolt. The fixing bolt is sleeved on the output end of the third motor in a threaded manner. A fixing seat is fixedly sleeved on the rotating shaft of the third motor near the fixing bolt. A sleeve is movably sleeved between the fixing bolt and the fixing seat on the rotating shaft of the third motor. Four clamping grooves are opened on the inner side of the sleeve. A cutting knife is fixedly arranged on the outer side of the sleeve. The cutting knife is located above the cutting groove.

[0014] Further, an annular cavity is opened inside the rotating shaft of the third motor between the fixing bolt and the fixing seat. A spring ring is accommodated inside the annular cavity. Iron pins are fixedly arranged in four directions of the spring ring. The iron pins penetrate through the rotating shaft and lead to the clamping grooves.

[0015] The utility model has the following beneficial effects:

[0016] 1. A cutting device with good safety proposed by the present utility model. When the device performs cutting operations, the third motor drives the sleeve and the cutting knife fixed on the sleeve to rotate through the rotating shaft. During rotation, half of the iron pin inside the rotating shaft slides into the card slot opened on the inner side of the sleeve under the action of centrifugal force. At this time, half of the iron pin is in the card slot and half is in the rotating shaft, playing a role in fixing the cutting knife, avoiding loosening caused by vibration or cutting force, and improving the safety of the cutting device.

[0017] 2. A cutting device with good safety proposed by the present utility model. During the working process, the transparent protective cover can not only protect the operator from being injured by the cutting knife, but also prevent the waste chips generated by cutting from flying out and hurting people. The waste chip collection box located below the material processing structure can collect the generated waste chips. The fan fixed inside the ventilation pipe sleeved on one side of the transparent protective cover blows air into the transparent protective cover, which can blow the waste chips on the equipment inside the transparent protective cover into the waste chip collection box, keeping the equipment clean and improving the safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Isometric view of the present utility model;

[0019] Figure 2 Top sectional view of the present utility model;

[0020] Figure 3 Front sectional view of the present utility model;

[0021] Figure 4 Left sectional view of the present utility model;

[0022] Figure 5 Isometric view of the tool fixing structure of the present utility model;

[0023] Figure 6 Cross-sectional view of the tool fixing structure when the present utility model is working;

[0024] Figure 7 Internal structure diagram of the tool fixing structure when the present utility model is working;

[0025] Figure 8 Isometric view of the cutting knife of the present utility model.

[0026] LEGEND DESCRIPTION:

[0027] 1. Workbench; 2. Material fixing structure; 201. Slide groove; 202. Placing table; 203. First motor; 204. First lead screw; 205. Fixed plate; 206. Pushing plate; 3. Material processing structure; 301. Transparent protective cover; 302. Storage box; 303. Second motor; 304. Fixed block; 305. Fixed rod; 306. Ventilation pipe; 307. Motor box; 308. Third motor; 309. Tool fixing structure; 30901. Fixed bolt; 30902. Cutting tool; 30903. Sleeve; 30904. Fixed seat; 30905. Circular cavity; 30906. Spring ring; 30907. Iron pin; 30908. Card slot; 310. Feed inlet; 311. Discharge outlet; 312. Fan; 313. Second lead screw; 4. Scrap collection box; 5. Handle; 6. Roller; 7. Limiting plate; 8. Cutting groove. Detailed implementation manner

[0028] 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0029] Refer to Figure 1-2 , an embodiment provided by the present invention: A cutting device with good safety, including a workbench 1, a material fixing structure 2 is fixedly arranged at the upper end of the workbench 1, a cutting groove 8 penetrating the workbench 1 is opened at the upper end of the workbench 1 near the material fixing structure 2, and a material processing structure 3 is fixedly arranged at the upper end of the workbench 1 above the cutting groove 8;

[0030] Two limiting plates 7 are fixedly arranged at the lower end of the workbench 1 near the center. A scrap collection box 4 is movably sleeved between the two limiting plates 7. The scrap collection box 4 is located below the material processing structure 3. Eight rollers 6 are fixedly arranged at the lower end of the scrap collection box 4. A handle 5 is fixedly arranged on one side of the scrap collection box 4;

[0031] Specifically, by setting the material fixing structure 2 to fix the material to be cut, preventing the material from running off during cutting and affecting the cutting effect. By setting the cutting groove 8, the waste generated during cutting can fall into the scrap collection box 4. By setting the limiting plates 7 to fix the scrap collection box 4, preventing the scrap collection box 4 from running off and causing waste leakage to pollute the working environment. By setting the rollers 6 and the handle 5, it is convenient to move the scrap collection box 4 out for dumping.

[0032] Refer to Figure 2, the material fixing structure 2 includes a chute 201. A fixing plate 205 is fixedly arranged on one side of the workbench 1 close to the chute 201. A placing table 202 is fixedly arranged on the opposite side of the workbench 1 and the fixing plate 205. A first motor 203 is fixedly arranged at the upper end of the placing table 202. The output end of the first motor 203 penetrates through the workbench 1 and fixedly arranges a first lead screw 204. The other end of the first lead screw 204 is rotatably arranged on the inner wall of one side of the chute 201. A push plate 206 is threadedly sleeved on the rod body of the first lead screw 204;

[0033] Specifically, when fixing the material, place one side of the material against the fixing plate 205 on the workbench 1. Drive the first lead screw 204 to rotate through the first motor 203. The rotating first lead screw 204 drives the push plate 206 to move towards the material and finally clamp the material.

[0034] Refer to Figure 4 , the material processing structure 3 includes a transparent protective cover 301. A ventilation pipe 306 is fixedly sleeved on one side of the transparent protective cover 301. A fan 312 is fixedly arranged inside the ventilation pipe 306;

[0035] Specifically, by arranging the ventilation pipe 306 and the fan 312 to blow air into the transparent protective cover 301, the waste chips floating on the equipment can be blown off, ensuring the cleanliness of the equipment and preventing the accumulation of waste chips from affecting the safety of the equipment operation.

[0036] Refer to Figure 3 , a feed inlet 310 is opened at the lower end of the side of the transparent protective cover 301 close to the material fixing structure 2. A discharge outlet 311 is opened on the side of the transparent protective cover 301 away from the feed inlet 310;

[0037] Specifically, during the working process, the staff pushes the material to be cut into from the feed inlet 310 and extracts the cut material from the discharge outlet 311.

[0038] Refer to Figure 2-3 , a storage box 302 is fixedly arranged on the side of the transparent protective cover 301 away from the ventilation pipe 306. A second motor 303 is accommodated inside the storage box 302. The output end of the second motor 303 penetrates through the transparent protective cover 301 and fixedly arranges a second lead screw 313. The other end of the second lead screw 313 is rotatably arranged on the inner wall of one side of the transparent protective cover 301. A fixing block 304 is threadedly sleeved on the rod body of the second lead screw 313. A motor box 307 is fixedly arranged at the lower end of the fixing block 304. A third motor 308 is accommodated inside the motor box 307. The output end of the third motor 308 fixedly arranges a tool fixing structure 309;

[0039] Specifically, during the working process, the second motor 303 is started to drive the second lead screw 313 to rotate. The rotating second lead screw 313 drives the fixed block 304 and the third motor 308 below the fixed block 304 to move. While the moving third motor 308 drives the cutting knife 30902 to move, it also drives the cutting knife 30902 to rotate to cut the material. By opening maintenance doors on one side and the upper end of the transparent protective cover 301 close to the tool fixing structure 309, it is convenient to replace the cutting knife 30902 and maintain the equipment inside the transparent protective cover 301.

[0040] Refer to Figure 2 , a fixed rod 305 parallel to the second lead screw 313 is fixedly arranged inside the transparent protective cover 301, and a sliding sleeve is arranged between the fixed rod 305 and the fixed block 304;

[0041] Specifically, by arranging the fixed rod 305 to provide a supporting force for the fixed block 304, the fixed block 304 can move more smoothly through the second lead screw 313, avoiding affecting the cutting effect.

[0042] Refer to Figure 5-6 、 Figure 8 , the tool fixing structure 309 includes a fixing bolt 30901, the fixing bolt 30901 is threadedly sleeved on the output end of the third motor 308, a fixing seat 30904 is fixedly sleeved on the rotating shaft of the third motor 308 near the fixing bolt 30901, a sleeve 30903 is movably sleeved between the rotating shaft of the third motor 308 and the fixing bolt 30901 and the fixing seat 30904, four clamping grooves 30908 are opened on the inner side of the sleeve 30903, a cutting knife 30902 is fixedly arranged on the outer side of the sleeve 30903, and the cutting knife 30902 is located above the cutting groove 8;

[0043] Specifically, by arranging the fixing bolt 30901 and the fixing seat 30904 to fix the sleeve 30903 and the cutting knife 30902, the third motor 308 can drive the cutting knife 30902 to rotate through the rotating shaft.

[0044] Refer to Figure 6-7 , a circular ring cavity 30905 is opened inside the rotating shaft of the third motor 308 between the fixing bolt 30901 and the fixing seat 30904, a spring ring 30906 is accommodated inside the circular ring cavity 30905, iron pins 30907 are fixedly arranged in four directions of the spring ring 30906, and the iron pins 30907 penetrate through the rotating shaft and extend into the clamping grooves 30908;

[0045] Specifically, during the working process, when the third motor 308 drives the rotating shaft to rotate, the front half of the iron pin 30907 inside the rotating shaft moves into the card slot 30908 opened on the inner side of the sleeve 30903 under the action of centrifugal force, fixing the cutting tool 30902. When the third motor 308 stops working and the rotating shaft stops rotating, the iron pin 30907 moves out of the card slot 30908 under the action of the spring ring 30906, which does not affect the disassembly and replacement of the cutting tool 30902.

[0046] Working principle: When using the equipment, place one side of the material to be processed against the fixed plate 205 on the workbench 1, start the first motor 203 to drive the first lead screw 204 to rotate, so that the first lead screw 204 drives the push plate 206 to clamp the material. Then start the second motor 303 and the third motor 308 at the same time, so that the cutting tool 30902 moves to cut the material. The cutting tool 30902 is isolated by setting the transparent protective cover 301 to prevent the staff from being injured and at the same time prevent the waste chips from flying out and hurting people. The fan 312 blows air inside the transparent protective cover 301 to prevent the waste chips from accumulating and affecting the safety of the equipment during operation;

[0047] Secondly, when the cutting tool 30902 rotates and cuts, the front half of the iron pin 30907 inside the rotating shaft moves into the card slot 30908 opened on the inner side of the sleeve 30903 under the action of centrifugal force, fixing the cutting tool 30902, avoiding the loosening of the cutting tool 30902 due to vibration or cutting force, improving the safety of the equipment. When the third motor 308 stops working and the rotating shaft stops rotating, the iron pin 30907 moves out of the card slot 30908 under the action of the spring ring 30906, which does not affect the replacement of the cutting tool 30902.

[0048] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cutting device with good safety, comprising a workbench (1), characterized in that: A material fixing structure (2) is fixedly arranged at the upper end of the workbench (1). A cutting groove (8) penetrating through the workbench (1) is formed at the upper end of the workbench (1) near the material fixing structure (2). A material processing structure (3) is fixedly arranged at the upper end of the workbench (1) above the cutting groove (8). Two limiting plates (7) are fixedly arranged at the lower end of the workbench (1) near the center. A waste chip collection box (4) is movably sleeved between the two limiting plates (7). The waste chip collection box (4) is located below the material processing structure (3). Eight rollers (6) are fixedly arranged at the lower end of the waste chip collection box (4). A handle (5) is fixedly arranged on one side of the waste chip collection box (4).

2. The cutting device with good safety according to claim 1, characterized in that: The material fixing structure (2) includes a sliding groove (201). A fixing plate (205) is fixedly arranged on one side of the workbench (1) close to the sliding groove (201). A placing table (202) is fixedly arranged on the opposite side of the workbench (1) and the fixing plate (205). A first motor (203) is fixedly arranged at the upper end of the placing table (202). The output end of the first motor (203) penetrates through the workbench (1) and is fixedly provided with a first lead screw (204). The other end of the first lead screw (204) is rotatably arranged on the inner wall of one side of the sliding groove (201). A push plate (206) is threadedly sleeved on the rod body of the first lead screw (204).

3. The cutting device with good safety according to claim 1, characterized in that: The material processing structure (3) includes a transparent protective cover (301). A ventilation pipe (306) is fixedly sleeved on one side of the transparent protective cover (301). A fan (312) is fixedly arranged inside the ventilation pipe (306).

4. A cutting device with good safety according to claim 3, characterized in that: A feed inlet (310) is formed at the lower end of one side of the transparent protective cover (301) close to the material fixing structure (2). A discharge outlet (311) is formed on the side of the transparent protective cover (301) away from the feed inlet (310).

5. The cutting device with good safety according to claim 3, characterized in that: A storage box (302) is fixedly arranged on the side of the transparent protective cover (301) away from the ventilation pipe (306). A second motor (303) is accommodated inside the storage box (302). The output end of the second motor (303) penetrates through the transparent protective cover (301) and is fixedly provided with a second lead screw (313). The other end of the second lead screw (313) is rotatably arranged on the inner wall of one side of the transparent protective cover (301). A fixing block (304) is threadedly sleeved on the rod body of the second lead screw (313). A motor box (307) is fixedly arranged at the lower end of the fixing block (304). A third motor (308) is accommodated inside the motor box (307). A tool fixing structure (309) is fixedly arranged at the output end of the third motor (308).

6. The cutting device with good safety according to claim 3, characterized in that: A fixing rod (305) parallel to the second lead screw (313) is fixedly arranged inside the transparent protective cover (301). The fixing rod (305) and the fixing block (304) are slidably sleeved with each other.

7. A cutting device with good safety according to claim 5, characterized in that: The tool fixing structure (309) includes a fixing bolt (30901), the fixing bolt (30901) is threadedly sleeved on the output end of the third motor (308), a fixing seat (30904) is fixedly sleeved near the fixing bolt (30901) on the rotating shaft of the third motor (308), a sleeve (30903) is movably sleeved between the rotating shaft of the third motor (308) and the fixing bolt (30901) and the fixing seat (30904), four card slots (30908) are formed inside the sleeve (30903), a cutting tool (30902) is fixedly arranged on the outside of the sleeve (30903), and the cutting tool (30902) is located above the cutting groove (8).

8. A cutting device with good safety according to claim 7, characterized in that: An annular cavity (30905) is formed inside the rotating shaft of the third motor (308) between the fixing bolt (30901) and the fixing seat (30904), a spring ring (30906) is accommodated inside the annular cavity (30905), iron pins (30907) are fixedly arranged in four directions of the spring ring (30906), and the iron pins (30907) penetrate through the rotating shaft and extend into the card slots (30908).