A laser cutting clamping device
By using a lifting and flipping device and a protective cleaning device, the difficulties and safety hazards of flipping the laser cutting clamping device when handling thick plates have been solved, thus improving the safety and work efficiency of the equipment.
Patent Information
- Application Number
- CN202510710246.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2045-05-29
AI Technical Summary
Existing laser cutting clamping devices have problems such as difficulty in flipping, equipment damage and safety hazards when handling thick plates, especially during double-sided cutting, which can easily lead to equipment damage and operator injury.
A lifting and tilting device was designed, which includes components such as a U-shaped lifting rod, a motor, a lead screw, a fixing frame, and a clamping plate. The motor drives the clamping plate to tilt and limit its movement to prevent the plate from falling. A protective device protects the laser head, and a cleaning device keeps the operating table clean.
It improves equipment safety and work efficiency, prevents sheet metal from falling and equipment damage, reduces maintenance costs, and improves cutting accuracy and operational safety.
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Figure CN120347399B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of mechanical engineering, in particular to a laser cutting clamping device. BACKGROUND
[0002] The 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 is stable during the cutting process and does not move, avoiding the influence of vibration, misplacement or deformation during the cutting process on the cutting precision and quality.
[0003] The patent with patent number CN222520273U relates to a laser cutting platform fixing and clamping device, which belongs to the technical field of laser cutting. The device includes a base, a moving rod, a clamping block, a shaft, a jaw, a gear, a sliding groove, a sliding rod, an abutment plate, a rack and other components. Through the sliding movement of the moving rod, the abutment 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 drive the jaw to clamp the workpiece. This patent has the effect of facilitating quick clamping and fixing of the workpiece, simplifying the clamping operation steps, and improving the clamping efficiency.
[0004] In the above-mentioned patent, the effect of facilitating quick clamping and fixing of the workpiece, simplifying the clamping operation steps, and improving the clamping efficiency is achieved. However, in the process of flipping large-thickness plates for double-sided cutting, the plates may come into contact with the laser cutting equipment, causing damage to the equipment and safety problems for the operator. In addition, for some large-thickness plates, the plates may slip during the flipping process due to their excessive weight, reducing the safety of the equipment in use. SUMMARY
[0005] In view of the deficiencies of the prior art, the present application provides a laser cutting clamping device that solves the problems raised in the background art.
[0006] In order to achieve the above object, the present application is realized by the following technical scheme: a laser cutting clamping device, comprising a table plate, a laser support is slidably installed on the top of the table plate, a telescopic laser head is rotatably installed on the inner wall of the laser support, a lifting and overturning device is arranged on the surface of the table plate, the lifting and overturning device comprises a U-shaped lifting rod, a motor one, a lead screw, a sleeve ring, a motor two, a fixing frame, an inclined convex block, an L-shaped push rod, a circular plate, a sliding clamp plate, a short circular rod, a U-shaped push rod, a hollow circular plate, a fixed clamp 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, the U-shaped lifting rod is slidably installed on the inner wall of the square groove, the motor one is fixedly installed on the bottom of the table plate, the lead screw is fixedly installed on the output end of the motor one, the sleeve ring is fixedly penetrated into the top of the U-shaped lifting rod, the motor two is fixedly installed on the surface of the U-shaped lifting rod, the fixing frame is fixedly installed on the top of the table plate, the inclined convex block is fixedly installed on the top of the fixing frame, the L-shaped push rod is slidably installed on the top of the table plate, the circular plate is fixed on the output end of the motor two, the sliding clamp plate is slidably installed on the surface of the circular plate, the short circular rod is slidably penetrated into the inner and outer walls of the sliding clamp plate, the U-shaped push rod is fixedly installed on the end of the short circular rod away from the fixing frame, a circular groove is formed in the top of the U-shaped lifting rod, the hollow circular plate is rotatably installed in the inside of the circular groove, the hollow circular plate is fixedly installed on the other end of the short circular rod, the fixed clamp 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, the other end of the short telescopic rod is slidably installed on the surface of the fixing 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 in the inside of the fixed clamp plate, the top of the table plate is further provided with a protection device for protecting the laser head and a cleaning device for cleaning the top of the table plate, the fixed clamp plate rotates to drive the plate to rotate, when the plate rotates to one hundred and eighty degrees, the U-shaped push rod will be forced to hold the plate, the motor one is reversed to drive the U-shaped lifting rod to descend to the initial position.
[0007] According to the above technical scheme, the spring one is arranged between the sliding limiting rod and the fixed clamp plate, the sliding limiting rod is reset by the spring one, the spring two is arranged between the fixed clamp plate and the sliding clamp plate, the sliding clamp plate is reset by the spring two.
[0008] According to the above technical scheme, the hollow circular plate is in contact with the inclined convex block, and the sliding limiting rod is in contact with the L-shaped push rod.
[0009] According to the technical scheme, the fixed block is fixedly installed on the surface of the fixed clamping plate, the sliding long rod is slidingly installed on the top of the table plate, the fixed plate is fixedly installed on the top of the table plate, one end of the sliding telescopic rod is slidingly installed on the surface of the fixed plate, the other end of the sliding telescopic rod is slidingly installed on the surface of the laser support, the long circular rod is rotatably penetrated in the inner and outer walls of the laser support, the rotating plate is rotatably installed on the circumferential surface of the long circular rod, and the U-shaped limiting rod is slidingly penetrated in the inside of the telescopic laser head.
[0010] According to the technical scheme, the sliding telescopic rod is in contact with the sliding push rod, the rotating plate is in contact with the U-shaped limiting rod, and the spring three is arranged between the U-shaped limiting rod and the telescopic laser head.
[0011] According to the technical scheme, the cleaning device comprises a U-shaped push rod, an operation table, a long sliding rod, a long push rod and a small protrusion, the U-shaped push rod is slidingly penetrated in the inside of the table plate, the operation table is fixedly installed on the top of the table plate, and the long sliding rod is slidingly installed on the top of the operation table.
[0012] According to the technical scheme, the U-shaped push rod is in contact with the U-shaped lifting rod, and the small protrusion is in contact with the operation table.
[0013] According to the technical scheme, the U-shaped push rod is in contact with the long sliding rod, and the spring four is arranged between the long sliding rod and the operation table.
[0014] The application provides a laser cutting clamping device.
[0015] (1) The application drives the plate to rotate through the rotation of the fixed clamping plate, and the U-shaped push rod can be forced to hold the plate when the plate is rotated to 180 degrees, thereby avoiding the falling of the thick plate during the overturning process, reducing the failure of the laser cutting work caused by the falling of the plate, protecting the laser cutting equipment, improving the safety and work efficiency of the equipment, and avoiding the possibility of repeated processing caused by the incomplete cutting of the thick plate, thereby improving the work efficiency of the plate thickness cutting.
[0016] (2) The application, through the rotation of the rotating plate to drive the telescopic laser head to rotate, avoids the collision of the telescopic laser head during the lifting and turning of the plate, improves the safety and service life of the equipment, improves the work efficiency of laser cutting, and avoids the damage of the equipment and the harm to the operator caused by the contact between the plate and the equipment during the operation process, improves the safety of the operator and reduces the damage caused by the wrong operation, reduces the maintenance cost and improves the work efficiency.
[0017] (3) The application, through the long sliding rod to drive the long push rod to move, avoids the falling of the impurities in the laser cutting process to the surface of the operation table, which causes the unevenness of the surface after the turning and resetting, affects the work efficiency and cutting precision accuracy of the laser cutting, improves the work efficiency, and avoids the small impurities on the operation table from being difficult to shovel into the long groove on the operation table and being pushed to the long groove, which accelerates the falling of the impurities, improves the cleaning effect of the impurities, reduces the time and labor, and improves the stability of the continuous work of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure schematic diagram of the application;
[0019] Figure 2 It is a whole structure bottom structure schematic diagram of the application;
[0020] Figure 3 It is a turning device structure schematic diagram of the application;
[0021] Figure 4 It is a fixed clamping plate internal structure schematic diagram of the application;
[0022] Figure 5 It is a hollow circular plate square groove position structure schematic diagram of the application;
[0023] Figure 6 It is a protective device structure schematic diagram of the application;
[0024] Figure 7 It is an operation table structure schematic diagram of the application;
[0025] Figure 8 It is a small protrusion position structure schematic diagram of the application.
[0026] In the figure: 1, table board; 2, laser support; 3, telescopic laser head; 401, U-shaped lifting rod; 402, motor one; 403, screw rod; 404, sleeve ring; 405, motor two; 406, fixed frame; 407, inclined convex block; 408, L-shaped push rod; 409, round plate; 410, sliding clamp plate; 411, short round rod; 412, U-shaped push rod; 413, hollow round plate; 414, fixed clamp plate; 415, short telescopic rod; 416, L-shaped limiting rod; 417, sliding limiting rod; 501, fixed block; 502, sliding long rod; 503, fixed plate; 504, sliding telescopic rod; 505, sliding push rod; 506, long round rod; 507, rotating plate; 508, U-shaped limiting rod; 601, U-shaped push rod; 602, operation table; 603, long sliding rod; 604, long push rod; 605, small convex block. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0028] Please refer to Figures 1-8One embodiment of the present application is: a laser cutting clamping device, including a table plate 1, the top of the table plate 1 is slidably installed with a laser support 2, the inner wall of the laser support 2 is rotatably installed with a telescopic laser head 3, the surface of the table plate 1 is provided with a lifting and overturning device, the overturning device includes: a U-shaped lifting rod 401, a motor one 402, a lead screw 403, a sleeve ring 404, a motor two 405, a fixing frame 406, an inclined convex block 407, an L-shaped push rod 408, a circular plate 409, a sliding clamp plate 410, a short circular rod 411, a U-shaped push rod 412, a hollow circular plate 413, a fixed clamp plate 414, a short telescopic rod 415, an L-shaped limiting rod 416 and a sliding limiting rod 417, the surface of the table plate 1 is provided with a square groove, the U-shaped lifting rod 401 is slidably installed on the inner wall of the square groove, the motor one 402 is fixedly installed on the bottom of the table plate 1, the lead screw 403 is fixedly installed on the output end of the motor one 402, the sleeve ring 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 frame 406 is fixedly installed on the top of the table plate 1, the inclined convex block 407 is fixedly installed on the top of the fixing frame 406, the L-shaped push rod 408 is slidably installed on the top of the table plate 1, the circular plate 409 is fixed on the output end of the motor two 405, the sliding clamp plate 410 is slidably installed 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 clamp plate 410, the U-shaped push rod 412 is fixedly installed on one end of the short circular rod 411 away from the fixing frame 406, a circular groove is formed on the top of the U-shaped lifting rod 401, the hollow circular plate 413 is rotatably installed in the circular groove, the hollow circular plate 413 is fixedly installed on the other end of the short circular rod 411, the fixed clamp 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 frame 406, the L-shaped limiting rod 416 is fixedly installed on the circumferential surface of the short telescopic rod 415, and the sliding limiting rod 417 is slidably installed in the fixed clamp plate 414, which avoids the falling of the thick plate during the overturning process, reduces the work error caused by the falling of the plate during the laser cutting work, protects the laser cutting equipment, improves the safety and work efficiency of the equipment, avoids the repeated processing caused by the incomplete cutting of the thick plate, and improves the work efficiency of the plate thickness cutting.
[0029] A spring one is arranged between the sliding limiting rod 417 and the fixed clamp plate 414, the sliding limiting rod 417 is reset by the spring one, and a spring two is arranged between the fixed clamp plate 414 and the sliding clamp plate 410, the sliding clamp plate 410 is reset by the spring two.
[0030] The hollow circular plate 413 is in contact with the bevel protrusion 407, the bevel protrusion 407 pushes the hollow circular plate 413 to rotate on the bevel, the sliding limiting rod 417 is in contact with the L-shaped push rod 408, and the sliding limiting rod 417 is released from the limiting of the fixed clamping plate 414.
[0031] When the plate is placed on the operation table 602, the L-shaped push rod 408 is pushed to move, the L-shaped push rod 408 drives the sliding limiting rod 417 to release the limiting, because the sliding clamping plate 410 and the fixed clamping plate 414 are provided with springs inside, the sliding limiting rod 417 is released to make the limiting sliding clamping plate 410 and the fixed clamping plate 414 reset to clamp the plate, and then the laser cutting is performed. After cutting one side of the plate, the motor one 402 is started, the output end of the motor one 402 rotates to drive the sleeve ring 404 to slide, the sleeve ring 404 slides to drive the U-shaped lifting rod 401 to slide, the U-shaped lifting rod 401 slides to drive the fixed clamping plate 414 to slide, the fixed clamping plate 414 slides to drive the plate to rise, and the fixed clamping plate 414 slides to contact the bevel protrusion 407. When the motor two 405 is started, the motor two 405 rotates to drive the fixed clamping plate 414 to rotate, the fixed clamping plate 414 rotates to drive the plate to rotate, and the U-shaped push rod 412 is lifted to hold the plate when the plate rotates to one hundred and eighty degrees, avoiding the falling of the plate during the turning process of the plate with large thickness, reducing the failure of the laser cutting work caused by the falling of the plate and protecting the laser cutting equipment, improving the safety and work efficiency of the equipment, and improving the work efficiency of the plate thickness cutting. After the plate is turned to three hundred and sixty degrees, the motor one 402 is reversed to drive the U-shaped lifting rod 401 to descend to the initial position, avoiding the possibility of repeated processing caused by the thickness of the plate with large thickness which cannot be completely cut and separated, and improving the work efficiency of the plate thickness cutting.
[0032] Please refer to Figures 1-8On the basis of the above-mentioned embodiment, in another embodiment of the present application, the top of the table plate 1 is further provided with a protective device for protecting the laser head and a cleaning device for cleaning the top of the table plate 1, the protective device comprising: a fixed block 501, a sliding long rod 502, a fixed plate 503, a sliding telescopic rod 504, a sliding push rod 505, a long circular 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 slidingly installed on the top of the table plate 1, the fixed plate 503 is fixedly installed on the top of the table plate 1, one end of the sliding telescopic rod 504 is slidingly installed on the surface of the fixed plate 503, the other end of the sliding telescopic rod 504 is slidingly installed on the surface of the laser support 2, the long circular rod 506 is rotatably penetrated in the inner and outer walls of the laser support 2, the rotating plate 507 is rotatably installed on the circumferential surface of the long circular rod 506, and the U-shaped limiting rod 508 is slidingly penetrated in the inside of the telescopic laser head 3, which improves the safety and service life of the equipment, improves the working efficiency of laser cutting, improves the safe use of the operator, reduces the damage of the equipment caused by wrong operation, reduces the maintenance cost and improves the working efficiency.
[0033] 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, and the U-shaped limiting rod 508 and the telescopic laser head 3 are provided with a spring three, which drives the U-shaped limiting rod 508 to reset.
[0034] The cleaning device comprises: a U-shaped push rod 601, an operation table 602, a long sliding rod 603, a long push rod 604 and a small protrusion 605, the U-shaped push rod 601 is slidingly penetrated in the inside of the table plate 1, the operation table 602 is fixedly installed on the top of the table plate 1, and the long sliding rod 603 is slidingly installed on the top of the operation table 602. The long push rod 604 is slidingly installed on the surface of the long sliding rod 603, and the small protrusion 605 is fixedly installed on the bottom of the long sliding rod 603, which avoids affecting the working efficiency and cutting accuracy of laser cutting, improves the working efficiency, improves the cleaning effect of impurities, reduces the time and labor, and improves the stability of the continuous work of the equipment.
[0035] 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 protrusion 605 is in contact with the operation table 602, and the indirect contact generates vibration.
[0036] The U-shaped push rod 601 is in contact with the long sliding rod 603, and the long sliding rod 603 and the operation table 602 are provided with a spring four, which drives the long sliding rod 603 to reset.
[0037] When the embodiment works: the fixed clamping plate 414 rises to drive the fixed block 501 to move, the fixed block 501 moves to drive the sliding long rod 502 to slide, the sliding long rod 502 slides to drive the sliding telescopic rod 504 to slide, the sliding telescopic rod 504 slides to drive the rotating plate 507 to rotate, the rotating plate 507 rotates to drive the telescopic laser head 3 to rotate, which avoids the collision between the telescopic laser head 3 and the plate during the rising and overturning process of the plate, improves the safety and service life of the equipment, improves the working efficiency of the laser cutting, the rotating plate 507 rotates to drive the U-shaped limiting rod 508 to slide, the U-shaped limiting rod 508 slides to limit the telescopic laser head 3 from rotating, which avoids the damage of the equipment and the harm to the operator caused by the contact between the plate and the equipment during the starting of the equipment due to the operation process error, improves the safety of the operator and reduces the damage of the equipment caused by the error operation, reduces the maintenance cost and improves the working efficiency.
[0038] The U-shaped lifting rod 401 moves to drive the U-shaped pushing rod 601 to move, the long sliding rod 603 on the surface of the operation table 602 moves due to the inclined surface of the U-shaped pushing rod 601, the long sliding rod 603 drives the long pushing rod 604 to move, which avoids the uneven placement of the plate after the falling of the impurities on the surface of the operation table 602 during the overturning process of the plate and the resetting after the overturning, affects the working efficiency and cutting precision of the laser cutting, improves the working efficiency, the long sliding rod 603 slides to drive the small protrusion 605 to slide, the small protrusion 605 slides to contact the operation table 602 to generate vibration, which avoids the falling of the small impurities on the operation table 602 due to the long-time accumulation of the small impurities in the long groove on the operation table 602 and the pushing of the small impurities to the long groove, improves the cleaning effect of the impurities, reduces the time and labor, and improves the stability of the continuous work of the equipment.
[0039] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A laser cutting clamping device comprising a table plate (1), characterized in that: The top of the table plate (1) is slidably provided with a laser support (2), the inner wall of the laser support (2) is rotatably provided with an extendable laser head (3), the surface of the table plate (1) is provided with a lifting and overturning device, the lifting and overturning device comprises a U-shaped lifting rod (401), a motor one (402), a lead screw (403), a collar (404), a motor two (405), a fixing frame (406), an inclined 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), the surface of the table plate (1) is provided with a square groove, the U-shaped lifting rod (401) is slidably arranged on the inner wall of the square groove, the motor one (402) is fixedly arranged on the bottom of the table plate (1), the lead screw (403) is fixedly arranged on 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 arranged on the surface of the U-shaped lifting rod (401), the fixing frame (406) is fixedly arranged on the top of the table plate (1), the inclined convex block (407) is fixedly arranged on the top of the fixing frame (406), the L-shaped push rod (408) is slidably arranged on the top of the table plate (1), the circular plate (409) is fixedly arranged on the output end of the motor two (405), the sliding clamping plate (410) is slidably arranged 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 arranged on the end of the short circular rod (411) away from the fixing frame (406), the top of the U-shaped lifting rod (401) is provided with a circular groove, the hollow circular plate (413) is rotatably arranged in the circular groove, the hollow circular plate (413) is fixedly arranged on the other end of the short circular rod (411), the fixed clamping plate (414) is fixedly arranged on the surface of the circular plate (409), one end of the short telescopic rod (415) is slidably arranged on the surface of the hollow circular plate (413), the other end of the short telescopic rod (415) is slidably arranged on the surface of the fixing frame (406), the L-shaped limiting rod (416) is fixedly arranged on the circumferential surface of the short telescopic rod (415), the sliding limiting rod (417) is slidably arranged in the fixed clamping plate (414), the top of the table plate (1) is further provided with a protection device for protecting the laser head and a cleaning device for cleaning the top of the table plate (1); The sliding limiting rod (417) and the fixed clamping plate (414) are provided with a spring one, the fixed clamping plate (414) and the sliding clamping plate (410) are provided with a spring two; The hollow circular plate (413) is in contact with the inclined convex block (407), and the sliding limiting rod (417) is in contact with the L-shaped push rod (408). The protection device includes fixed block (501), sliding long rod (502), fixed plate (503), sliding telescopic rod (504), sliding push rod (505), long round rod (506), rotating plate (507) and 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 plate (1), the fixed plate (503) is fixedly installed on the top of the table plate (1), one end of the sliding telescopic rod (504) is slidably installed on the surface of the fixed plate (503), the other end of the sliding telescopic rod (504) is slidably installed on the surface of the laser support (2), the long round rod (506) is rotatably penetrated in the inner and outer walls of the laser support (2), the rotating plate (507) is rotatably installed on the circumferential surface of the long round rod (506), and the U-shaped limiting rod (508) is slidably penetrated in the inside of the telescopic laser head (3); 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), and the U-shaped limiting rod (508) is provided with a spring three between the telescopic laser head (3); The cleaning device includes U-shaped push rod (601), operation table (602), long sliding rod (603), long push rod (604) and small protrusion (605), the U-shaped push rod (601) is slidably penetrated in the inside of the table plate (1), the operation table (602) is fixedly installed on the top of the table plate (1), the long sliding rod (603) is slidably installed on the top of the operation table (602), the long push rod (604) is slidably installed on the surface of the long sliding rod (603), and the small protrusion (605) is fixedly installed on the bottom of the long sliding rod (603).
2. The laser cutting clamping device according to claim 1, characterized in that: The U-shaped push rod (601) is in contact with the U-shaped lifting rod (401), and the small protrusion (605) is in contact with the operation table (602).
3. A laser cutting clamping device according to claim 2, characterized in that: The U-shaped push rod (601) is in contact with the long sliding rod (603), and the long sliding rod (603) is provided with a torsional spring one between the operation table (602).
Citation Information
Patent Citations
Fixed mounting and clamping device for laser cutting platform
CN222520273U
Micro-beam plasma high-frequency solder-free high-purity gold jewelry welding device
CN119927389A
Part turnover device for laser cutting
CN215787624U