Laser cutting clamping device

Abstract

The invention discloses a laser cutting clamping device, and relates to the technical field of mechanical engineering, the laser cutting clamping device comprises a table plate, the top of the table plate is slidably provided with a laser support, the inner wall of the laser support is rotatably provided with a telescopic laser head, and the surface of the table plate is provided with a lifting turnover device; the turnover device comprises a U-shaped lifting rod, a first motor, a lead screw, a lantern ring, a second motor, a fixing frame, a slope protruding block, an L-shaped push rod, a round plate, a sliding clamping plate, a short round rod, a U-shaped push rod, a hollow round plate, a fixed clamping plate, a short telescopic rod, an L-shaped limiting rod and a sliding limiting rod, a square groove is formed in the surface of the table plate, and the U-shaped lifting rod is slidably installed on the inner wall of the square groove. The fixed clamping plate rotates to drive the plate to rotate, the U-shaped push rod is stressed to lift the plate when the plate rotates to 180 degrees, and the situation that the large-thickness plate falls off in the overturning process due to the fact that the large-thickness plate is too heavy is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical engineering, and particularly to a laser cutting clamping device. Background Art

[0002] A laser cutting clamping device is a device used to fix and clamp workpieces during the laser cutting process. Its main purpose is to ensure that the workpiece remains stable and does not move during the cutting process, avoiding affecting the cutting accuracy and quality due to vibration, misalignment or deformation during the cutting process.

[0003] The patent with the patent publication number CN222520273U relates to a laser cutting platform fixing and clamping device, which relates to the technical field of laser cutting. The device includes components such as a base, a moving rod, a clamping block, a rotating shaft, a clamping jaw, a gear, a sliding groove, a sliding rod, a contact plate, a rack, etc. Through the sliding movement of the moving rod, the contact plate is driven to contact the workpiece, and then the sliding rod is driven to slide in the sliding groove, causing the gear to rotate and driving the clamping jaw to clamp the workpiece. This patent has the effect of facilitating the quick clamping and fixing of the workpiece, simplifying the clamping operation steps, and improving the clamping efficiency.

[0004] In the above patent, it has the effect of facilitating the quick clamping and fixing of the workpiece, simplifying the clamping operation steps, and improving the clamping efficiency. However, during the process of double-sided cutting of thick plates that need to be flipped, it is easy to contact the laser cutting equipment, resulting in equipment damage and safety problems for operators. Moreover, for some thick plates, due to their excessive weight, the plates will slide during the flipping process, reducing the safety of equipment use. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a laser cutting clamping device, which solves the problems raised in the above background art.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: A laser cutting clamping device, including a table board, on the top of which a laser bracket is slidably installed, and on the inner wall of the laser bracket, a telescopic laser head is rotatably installed. On the surface of the table board, a lifting and flipping device is provided. The flipping device includes: a U-shaped lifting rod, a motor one, a lead screw, a collar, a motor two, a fixed frame, an inclined surface convex block, an L-shaped push rod, a circular plate, a sliding clamping plate, a short circular rod, a U-shaped push rod, a hollow circular plate, a fixed clamping plate, a short telescopic rod, an L-shaped limiting rod, and a sliding limiting rod. A square groove is opened on the surface of the table board, and the U-shaped lifting rod is slidably installed on the inner wall of the square groove. The motor one is fixedly installed at the bottom of the table board, and the lead screw is fixedly installed at the output end of the motor one. The collar is fixedly penetrated through the top of the U-shaped lifting rod. The motor two is fixedly installed on the surface of the U-shaped lifting rod. The fixed frame is fixedly installed on the top of the table board. The inclined surface convex block is fixedly installed on the top of the fixed frame. The L-shaped push rod is slidably installed on the top of the table board. The circular plate is fixed at the output end of the motor two. The sliding clamping plate is slidably installed on the surface of the circular plate. The short circular rod is slidably penetrated through the inner and outer walls of the sliding clamping plate. The U-shaped push rod is fixedly installed at the end of the short circular rod away from the fixed frame. An original circular groove is opened at the top of the U-shaped lifting rod, and the hollow circular plate is rotatably installed inside the circular groove. The hollow circular plate is fixedly installed at the other end of the short circular rod. The fixed clamping plate is fixedly installed on the surface of the circular plate. One end of the short telescopic rod is slidably installed on the surface of the hollow circular plate, and the other end of the short telescopic rod is slidably installed on the surface of the fixed frame. The L-shaped limiting rod is fixedly installed on the circumferential surface of the short telescopic rod. The sliding limiting rod is slidably installed inside the fixed clamping plate. On the top of the table board, a protection device for protecting the laser head and a cleaning device for cleaning the top of the table board are also provided. The fixed clamping plate rotates to drive the plate to rotate. When the plate rotates to 180 degrees, the U-shaped push rod will be forced to lift the plate, and the motor one reverses to drive the U-shaped lifting rod to descend to the initial position.

[0007] According to the above technical solution, a first spring is provided between the sliding limiting rod and the fixed clamping plate, and the first spring drives the sliding limiting rod to reset. A second spring is provided between the fixed clamping plate and the sliding clamping plate, and the second spring drives the sliding clamping plate to reset.

[0008] According to the above technical solution, the hollow circular plate contacts the inclined surface convex block, and the sliding limiting rod contacts the L-shaped push rod.

[0009] According to the above technical solution, there are a fixed block, a sliding long rod, a fixed plate, a sliding telescopic rod, a sliding push rod, an oval rod, a rotating plate and a U-shaped limiting rod. The fixed block is fixedly installed on the surface of the fixed clamping plate. The sliding long rod is slidably installed on the top of the table board. The fixed plate is fixedly installed on the top of the table board. One end of the sliding telescopic rod is slidably installed on the surface of the fixed plate, and the other end of the sliding telescopic rod is slidably installed on the surface of the laser bracket. The oval rod rotatably penetrates through the inner and outer walls of the laser bracket. The rotating plate is rotatably installed on the circumferential surface of the oval rod. The U-shaped limiting rod slidably penetrates through the inside of the telescopic laser head. The rotation of the rotating plate drives the rotation of the telescopic laser head, and the sliding of the U-shaped limiting rod limits the telescopic laser head and causes it unable to rotate.

[0010] According to the above technical solution, the sliding telescopic rod contacts the sliding push rod, the rotating plate contacts the U-shaped limiting rod, and a third spring is provided between the U-shaped limiting rod and the telescopic laser head to drive the U-shaped limiting rod to reset through the third spring.

[0011] According to the above technical solution, the cleaning device includes: a U-shaped push rod, an operating table, a long sliding rod, a long push rod, and a small convex block. The U-shaped push rod slidably penetrates through the inside of the table board. The operating table is fixedly installed on the top of the table board. The long sliding rod is slidably installed on the top of the operating table. The long push rod is slidably installed on the surface of the long sliding rod. The small convex block is fixedly installed at the bottom of the long sliding rod. The long sliding rod drives the long push rod to move, and the small convex block generates vibration when contacting the operating table during the sliding process.

[0012] According to the above technical solution, the U-shaped push rod contacts the U-shaped lifting rod, and the small convex block contacts the operating table.

[0013] According to the above technical solution, the U-shaped push rod contacts the long sliding rod, and a fourth spring is provided between the long sliding rod and the operating table to drive the long sliding rod to reset through the fourth spring.

[0014] The present invention provides a laser cutting clamping device, which has the following beneficial effects: (1) In this invention, the rotation of the fixed clamping plate drives the rotation of the plate. When the plate rotates to 180 degrees, the U-shaped push rod will lift the plate under force, avoiding the situation of the large-thickness plate falling during the flipping process due to its excessive weight, reducing the mistakes in laser cutting work caused by the falling of the plate and protecting the laser cutting equipment, improving the safety and working efficiency of equipment use. By reversing the first motor to drive the U-shaped lifting rod to descend to the initial position, it avoids the possibility of repeated processing caused by the inability to completely cut and separate the large-thickness plate due to its thickness, and improves the working efficiency of completely cutting the thickness of the plate.

[0015] (2) In this invention, the rotation of the rotating plate drives the rotation of the telescopic laser head, avoiding the collision between the telescopic laser head during the rising and flipping process of the plate, which may cause equipment damage, improving the safety and service life of the equipment, and enhancing the working efficiency of laser cutting. When the U-shaped limit rod slides to limit the rotation of the telescopic laser head, it prevents the equipment from starting while still in contact with the plate due to incorrect operation procedures by the operator, thus avoiding equipment damage and harm to the operator, improving the safety of operator use and reducing equipment damage caused by incorrect operation, reducing maintenance costs and increasing working efficiency.

[0016] (3) In this invention, the long sliding rod drives the long push rod to move, avoiding impurities generated during laser cutting from falling onto the surface of the operating table during the flipping process of the plate. When the plate flips and resets, uneven placement due to uneven surface affects the working efficiency and cutting accuracy of laser cutting, improving the working efficiency. During the sliding process of the small bump, vibration is generated when it contacts the operating table, avoiding fine impurities on the operating table from being difficult to shovel into the long groove of the operating table due to long-term accumulation and accelerating the falling of impurities when pushed near the long groove, improving the cleaning effect of impurity cleaning, reducing time and manpower, and enhancing the stability of continuous operation of the equipment. Description of the Drawings

[0017] Figure 1 Schematic diagram of the overall structure of the present invention; Figure 2 Schematic diagram of the bottom structure of the overall structure of the present invention; Figure 3 Schematic diagram of the structure of the flipping device of the present invention; Figure 4 Schematic diagram of the internal structure of the fixed clamping plate of the present invention; Figure 5 Schematic diagram of the structure at the position of the square groove of the hollow circular plate of the present invention; Figure 6 Schematic diagram of the structure of the protection device of the present invention; Figure 7 Schematic diagram of the structure of the operating table of the present invention; Figure 8 Schematic diagram of the position of the small bump of the present invention.

[0018] In the figure: 1, table board; 2, laser bracket; 3, telescopic laser head; 401, U-shaped lifting rod; 402, motor 1; 403, lead screw; 404, collar; 405, motor 2; 406, fixing bracket; 407, inclined surface bump; 408, L-shaped push rod; 409, round cake; 410, sliding clamping plate; 411, short round rod; 412, U-shaped push rod; 413, hollow round plate; 414, fixing clamping plate; 415, short telescopic rod; 416, L-shaped limiting rod; 417, sliding limiting rod; 501, fixing block; 502, sliding long rod; 503, fixing plate; 504, sliding telescopic rod; 505, sliding push rod; 506, long round rod; 507, rotating plate; 508, U-shaped limiting rod; 601, U-shaped pushing rod; 602, operating table; 603, long sliding rod; 604, long push rod; 605, small bump. Detailed implementation manners

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1 - 8, an embodiment of the present invention is: a laser cutting clamping device, including a table board 1, a laser bracket 2 is slidably installed on the top of the table board 1, a telescopic laser head 3 is rotatably installed on the inner wall of the laser bracket 2, a lifting and flipping device is arranged on the surface of the table board 1, and the flipping device includes: a U-shaped lifting rod 401, a motor one 402, a lead screw 403, a collar 404, a motor two 405, a fixing bracket 406, an inclined surface convex block 407, an L-shaped push rod 408, a circular plate 409, a sliding clamping plate 410, a short round rod 411, a U-shaped push rod 412, a hollow circular plate 413, a fixed clamping plate 414, a short telescopic rod 415, an L-shaped limiting rod 416 and a sliding limiting rod 417. A square groove is opened on the surface of the table board 1, the U-shaped lifting rod 401 is slidably installed on the inner wall of the square groove, the motor one 402 is fixedly installed at the bottom of the table board 1, the lead screw 403 is fixedly installed at the output end of the motor one 402, the collar 404 is fixedly penetrated through the top of the U-shaped lifting rod 401, the motor two 405 is fixedly installed on the surface of the U-shaped lifting rod 401, the fixing bracket 406 is fixedly installed on the top of the table board 1, the inclined surface convex block 407 is fixedly installed on the top of the fixing bracket 406, the L-shaped push rod 408 is slidably installed on the top of the table board 1, the circular plate 409 is fixed at the output end of the motor two 405, the sliding clamping plate 410 is slidably installed on the surface of the circular plate 409, the short round rod 411 is slidably penetrated through the inner and outer walls of the sliding clamping plate 410, the U-shaped push rod 412 is fixedly installed at the end of the short round rod 411 away from the fixing bracket 406, a circular groove is opened at the top of the U-shaped lifting rod 401, the hollow circular plate 413 is rotatably installed inside the circular groove, the hollow circular plate 413 is fixedly installed at the other end of the short round rod 411, the fixed clamping plate 414 is fixedly installed on the surface of the circular plate 409, one end of the short telescopic rod 415 is slidably installed on the surface of the hollow circular plate 413, the other end of the short telescopic rod 415 is slidably installed on the surface of the fixing bracket 406, the L-shaped limiting rod 416 is fixedly installed on the circumferential surface of the short telescopic rod 415, the sliding limiting rod 417 is slidably installed inside the fixed clamping plate 414, avoiding the situation of falling during the flipping process of thick plates due to their excessive weight, reducing the mistakes in laser cutting work caused by the falling of the plates and protecting the laser cutting equipment, improving the safety and working efficiency of equipment use, avoiding the possibility of repeated processing due to the inability to completely cut and separate thick plates due to their thickness, and improving the working efficiency of completely cutting the thickness of the plates.

[0021] A spring one is arranged between the sliding limiting rod 417 and the fixed clamping plate 414 to drive the sliding limiting rod 417 to reset through the spring one, and a spring two is arranged between the fixed clamping plate 414 and the sliding clamping plate 410 to drive the sliding clamping plate 410 to reset through the spring two.

[0022] The hollow circular plate 413 contacts the inclined surface convex block 407, and the inclined surface convex block 407 pushes the hollow circular plate 413 to rotate on the inclined surface. The sliding limit rod 417 contacts the L-shaped push rod 408, releasing the limit of the sliding limit rod 417 on the fixed clamping plate 414.

[0023] When this embodiment works: When the plate is placed on the operating table 602, it will push the L-shaped push rod 408 to move. The movement of the L-shaped push rod 408 drives the sliding limit rod 417 to release the limit. Since springs are provided inside the sliding clamping plate 410 and the fixed clamping plate 414, the release of the sliding limit rod 417 causes the sliding clamping plate 410 and the fixed clamping plate 414 to be clamped due to the spring reset and then laser cut. After one side of the plate is cut, the first motor 402 is started. The output end of the first motor 402 rotates to drive the collar 404 to slide. The sliding of the collar 404 drives the U-shaped lifting rod 401 to slide. The sliding of the U-shaped lifting rod 401 drives the fixed clamping plate 414 to slide. The sliding of the fixed clamping plate 414 drives the plate to rise. When the fixed clamping plate 414 slides to contact the inclined surface convex block 407, the second motor 405 is started. The second motor 405 rotates to drive the fixed clamping plate 414 to rotate. The rotation of the fixed clamping plate 414 drives the plate to rotate. When the plate rotates 180 degrees, the U-shaped push rod 412 will support the plate under force, avoiding the situation of the thick plate falling during the flipping process due to its excessive weight, reducing the mistakes in laser cutting work caused by the falling of the plate and protecting the laser cutting equipment, improving the safety and working efficiency of equipment use. After the plate rotates 360 degrees, the first motor 402 rotates in reverse to drive the U-shaped lifting rod 401 to descend to the initial position, avoiding the possibility of repeated processing due to the inability to completely cut and separate the thick plate due to its thickness, and improving the working efficiency of cutting the thickness of the plate completely.

[0024] Please refer to Figures 1 - 8, on the basis of the above embodiments, in another embodiment of the present invention, a protection device for protecting the laser head and a cleaning device for cleaning the top of the table board 1 are further provided on the top of the table board 1. The protection device includes: a fixed block 501, a sliding long rod 502, a fixed plate 503, a sliding telescopic rod 504, a sliding push rod 505, an oval rod 506, a rotating plate 507, and a U-shaped limiting rod 508. The fixed block 501 is fixedly installed on the surface of the fixed clamping plate 414. The sliding long rod 502 is slidably installed on the top of the table board 1. The fixed plate 503 is fixedly installed on the top of the table board 1. One end of the sliding telescopic rod 504 is slidably installed on the surface of the fixed plate 503, and the other end of the sliding telescopic rod 504 is slidably installed on the surface of the laser bracket 2. The oval rod 506 rotates through the inner and outer walls of the laser bracket 2. The rotating plate 507 is rotatably installed on the circumferential surface of the oval rod 506. The U-shaped limiting rod 508 slidably penetrates through the inside of the telescopic laser head 3, improving the safety and service life of the equipment during use, improving the working efficiency of laser cutting, improving the safety of operators during safe use, and reducing the damage of the equipment caused by incorrect operation, reducing the maintenance cost and improving the working efficiency.

[0025] The sliding telescopic rod 504 is in contact with the sliding push rod 505. The rotating plate 507 is in contact with the U-shaped limiting rod 508. A third spring is provided between the U-shaped limiting rod 508 and the telescopic laser head 3 to drive the U-shaped limiting rod 508 to reset through the third spring.

[0026] The cleaning device includes: a U-shaped push rod 601, an operating table 602, a long sliding rod 603, a long push rod 604, and a small bump 605. The U-shaped push rod 601 slidably penetrates through the inside of the table board 1. The operating table 602 is fixedly installed on the top of the table board 1. The long sliding rod 603 is slidably installed on the top of the operating table 602. The long push rod 604 is slidably installed on the surface of the long sliding rod 603. The small bump 605 is fixedly installed at the bottom of the long sliding rod 603, avoiding affecting the working efficiency of laser cutting and the accuracy of cutting precision, improving the working efficiency, improving the cleaning effect of cleaning impurities, reducing time and manpower, and improving the stability of the equipment for continuous operation.

[0027] The U-shaped push rod 601 is in contact with the U-shaped lifting rod 401. The inclined surface of the U-shaped lifting rod 401 pushes the U-shaped push rod 601 to slide. The small bump 605 is in contact with the operating table 602, generating vibrations through intermittent contact.

[0028] The U-shaped push rod 601 is in contact with the long sliding rod 603. A fourth spring is provided between the long sliding rod 603 and the operating table 602 to drive the long sliding rod 603 to reset through the fourth spring.

[0029] During the operation of this embodiment: The fixed splint 414 rises to drive the fixed block 501 to move. The movement of the fixed block 501 drives the sliding long rod 502 to slide. The sliding of the sliding long rod 502 drives the sliding telescopic rod 504 to slide. The sliding of the sliding telescopic rod 504 drives the rotating plate 507 to rotate. The rotation of the rotating plate 507 drives the telescopic laser head 3 to rotate, avoiding the collision between the telescopic laser head 3 during the rising and flipping process of the plate, which may cause damage to the equipment, improving the safety and service life of the equipment, and enhancing the working efficiency of laser cutting. The rotation of the rotating plate 507 drives the U-shaped limiting rod 508 to slide. The sliding of the U-shaped limiting rod 508 limits the rotation of the telescopic laser head 3, preventing the equipment from starting while still in contact with the plate due to incorrect operation procedures by the operator, which may cause equipment damage and harm to the operator, improving the safety of the operator during use and reducing the damage caused by incorrect operation of the equipment, reducing the maintenance cost and increasing the working efficiency.

[0030] The movement of the U-shaped lifting rod 401 drives the U-shaped pushing rod 601 to move. The long sliding rod 603 on the surface of the operating table 602 is pushed by the inclined surface of the U-shaped pushing rod 601 to move. The long sliding rod 603 drives the long pushing rod 604 to move, avoiding the impurities generated by laser cutting during the flipping process of the plate from falling onto the surface of the operating table 602 and causing uneven placement due to the uneven surface during its reset after flipping, which may affect the working efficiency and cutting accuracy of laser cutting, improving the working efficiency. The sliding of the long sliding rod 603 drives the small convex block 605 to slide. During the sliding process of the small convex block 605, it contacts the operating table 602 to generate vibration, avoiding the small impurities on the operating table 602 from being difficult to shovel into the long groove of the operating table 602 due to long-term accumulation and accelerating the falling of the impurities when pushed to near the long groove, improving the cleaning effect of removing impurities, reducing time and manpower, and enhancing the stability of the continuous operation of the equipment.

[0031] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and deformations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A laser cutting clamping device, comprising a table board (1), characterized in that: A laser bracket (2) is slidably mounted on the top of the table board (1). A telescopic laser head (3) is rotatably mounted on the inner wall of the laser bracket (2). A lifting and flipping device is arranged on the surface of the table board (1). The flipping device includes: a U-shaped lifting rod (401), a motor one (402), a lead screw (403), a collar (404), a motor two (405), a fixed bracket (406), an inclined surface convex block (407), an L-shaped push rod (408), a circular plate (409), a sliding clamping plate (410), a short circular rod (411), a U-shaped push rod (412), a hollow circular plate (413), a fixed clamping plate (414), a short telescopic rod (415), an L-shaped limiting rod (416) and a sliding limiting rod (417). A square groove is formed on the surface of the table board (1). The U-shaped lifting rod (401) is slidably mounted on the inner wall of the square groove. The motor one (402) is fixedly mounted at the bottom of the table board (1). The lead screw (403) is fixedly mounted at the output end of the motor one (402). The collar (404) is fixedly penetrated through the top of the U-shaped lifting rod (401). The motor two (405) is fixedly mounted on the surface of the U-shaped lifting rod (401). The fixed bracket (406) is fixedly mounted on the top of the table board (1). The inclined surface convex block (407) is fixedly mounted on the top of the fixed bracket (406). The L-shaped push rod (408) is slidably mounted on the top of the table board (1). The circular plate (409) is fixed at the output end of the motor two (405). The sliding clamping plate (410) is slidably mounted on the surface of the circular plate (409). The short circular rod (411) is slidably penetrated through the inner and outer walls of the sliding clamping plate (410). The U-shaped push rod (412) is fixedly mounted at one end of the short circular rod (411) away from the fixed bracket (406). A circular groove is formed at the top of the U-shaped lifting rod (401). The hollow circular plate (413) is rotatably mounted inside the circular groove. The hollow circular plate (413) is fixedly mounted at the other end of the short circular rod (411). The fixed clamping plate (414) is fixedly mounted on the surface of the circular plate (409). One end of the short telescopic rod (415) is slidably mounted on the surface of the hollow circular plate (413). The other end of the short telescopic rod (415) is slidably mounted on the surface of the fixed bracket (406). The L-shaped limiting rod (416) is fixedly mounted on the circumferential surface of the short telescopic rod (415). The sliding limiting rod (417) is slidably mounted inside the fixed clamping plate (414). A protection device for protecting the laser head and a cleaning device for cleaning the top of the table board (1) are further arranged on the top of the table board (1).

2. The laser cutting clamping device according to claim 1, characterized in that: A first spring is arranged between the sliding limiting rod (417) and the fixed clamping plate (414), and a second spring is arranged between the fixed clamping plate (414) and the sliding clamping plate (410).

3. A laser cutting clamping device according to claim 3, characterized in that: The hollow circular plate (413) contacts with the inclined surface convex block (407), and the sliding limiting rod (417) contacts with the L-shaped push rod (408).

4. The laser cutting clamping device according to claim 2, wherein: The protection device includes: a fixed block (501), a sliding long rod (502), a fixed plate (503), a sliding telescopic rod (504), a sliding push rod (505), an oval rod (506), a rotating plate (507), and a U-shaped limiting rod (508). The fixed block (501) is fixedly installed on the surface of the fixed clamping plate (414). The sliding long rod (502) is slidably installed on the top of the table board (1). The fixed plate (503) is fixedly installed on the top of the table board (1). One end of the sliding telescopic rod (504) is slidably installed on the surface of the fixed plate (503), and the other end of the sliding telescopic rod (504) is slidably installed on the surface of the laser bracket (2). The oval rod (506) rotatably penetrates through the inner and outer walls of the laser bracket (2). The rotating plate (507) is rotatably installed on the circumferential surface of the oval rod (506). The U-shaped limiting rod (508) slidably penetrates through the inside of the telescopic laser head (3).

5. A laser cutting clamping device according to claim 4, characterized in that: The sliding telescopic rod (504) contacts the sliding push rod (505). The rotating plate (507) contacts the U-shaped limiting rod (508). A third spring is provided between the U-shaped limiting rod (508) and the telescopic laser head (3).

6. The laser cutting clamping device according to claim 5, wherein: The cleaning device includes: a U-shaped push rod (601), an operating table (602), a long sliding rod (603), a long push rod (604), and a small bump (605). The U-shaped push rod (601) slidably penetrates through the inside of the table board (1). The operating table (602) is fixedly installed on the top of the table board (1). The long sliding rod (603) is slidably installed on the top of the operating table (602). The long push rod (604) is slidably installed on the surface of the long sliding rod (603). The small bump (605) is fixedly installed at the bottom of the long sliding rod (603).

7. The laser cutting clamping device according to claim 6, characterized in that: The U-shaped push rod (601) contacts the U-shaped lifting rod (401). The small bump (605) contacts the operating table (602).

8. A laser cutting clamping device according to claim 7, characterized in that: The U-shaped push rod (601) contacts the long sliding rod (603). A first torsion spring is provided between the long sliding rod (603) and the operating table (602).

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