CN114012278A - A laser cutting robot with a rotary positioning mechanism - Google Patents
A laser cutting robot with a rotary positioning mechanism Download PDFInfo
- Publication number
- CN114012278A CN114012278A CN202110980876.7A CN202110980876A CN114012278A CN 114012278 A CN114012278 A CN 114012278A CN 202110980876 A CN202110980876 A CN 202110980876A CN 114012278 A CN114012278 A CN 114012278A
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- fixedly connected
- laser cutting
- positioning mechanism
- lifting
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
本发明公开了一种具有旋转定位机构的激光切割机器人，属于激光切割技术领域，包括：工作台，工作台的上端固定连接有四个立柱，工作台的下端固定连接有四个支撑腿，四个支撑腿之间固定连接有两个加强筋；安装框，安装框固定连接于四个立柱的上端，安装框的前后两端均开设有通槽；PLC控制器，PLC控制器固定连接于安装框的上端；安装板，安装板设置于安装框上，本发明通过传动齿轮和内齿带的相互配合使得四个升降丝杆同时转动，四个升降丝杆的正转带动四个螺纹套向下移动，四个螺纹套的移动通过压板将板材进行压紧，通过对板材压紧提高了激光切割头切割板材的准确度，防止了切割不精准的问题。
The invention discloses a laser cutting robot with a rotary positioning mechanism, belonging to the technical field of laser cutting. Two reinforcing ribs are fixedly connected between the supporting legs; the installation frame is fixedly connected to the upper ends of the four uprights, and the front and rear ends of the installation frame are provided with through slots; the PLC controller is fixedly connected to the installation frame The upper end of the frame; the installation plate, the installation plate is arranged on the installation frame, the present invention makes the four lifting screws rotate at the same time through the mutual cooperation of the transmission gear and the inner toothed belt, and the forward rotation of the four lifting screws drives the four threaded sleeves to rotate. Moving down, the movement of the four threaded sleeves compresses the board through the pressing plate. By pressing the board, the accuracy of the laser cutting head cutting the board is improved, and the problem of inaccurate cutting is prevented.
Description
Technical Field
The invention relates to the technical field of laser cutting, in particular to a laser cutting robot with a rotary positioning mechanism.
Background
The material to be cut is irradiated by high-power-density laser beams, so that the material is heated to a vaporization temperature quickly and is evaporated to form holes, and the holes continuously form slits with narrow width (about 0.1mm, for example) along with the movement of the material by the beams, so that the material is cut.
Laser cutting robot commonly used at present does not have rotational positioning mechanism mostly when using to can't fix a position the panel that needs the cutting, can't lead to the unable accurate cutting when cutting panel to panel location, provide a laser cutting robot with rotational positioning mechanism in order to solve this problem.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a laser cutting robot with a rotary positioning mechanism.
In order to solve the problems, the invention adopts the following technical scheme:
a laser cutting robot having a rotational positioning mechanism, comprising:
the upper end of the workbench is fixedly connected with four stand columns, the lower end of the workbench is fixedly connected with four supporting legs, and two reinforcing ribs are fixedly connected among the four supporting legs;
the mounting frame is fixedly connected to the upper ends of the four stand columns, and the front end and the rear end of the mounting frame are provided with through grooves;
the PLC controller is fixedly connected to the upper end of the mounting frame;
the mounting plate is arranged on the mounting frame;
the cylinder is fixedly connected to the lower end of the mounting plate, and the lower end of the cylinder is fixedly connected with the laser cutting head;
the moving mechanism is arranged on the mounting frame and connected with the mounting plate to drive the laser cutting head to move; and
the rotary positioning mechanism is arranged on the mounting plate and used for positioning the plates.
As a preferable scheme of the invention, the mounting plate is internally provided with a mounting groove and two slots, the mounting groove and the two slots are movably inserted with sealing plates, the sealing plates are detachably connected with the mounting plate through two screws, and the upper ends of the sealing plates are fixedly connected with a handle.
As a preferred scheme of the present invention, the moving mechanism includes a first driving assembly, a linkage assembly, and two sets of moving assemblies, the first driving assembly, the linkage assembly, and the two sets of moving assemblies are all disposed on the mounting frame, the first driving assembly is connected to the first linkage assembly to achieve linkage, and the first linkage assembly is connected to the two sets of moving assemblies to achieve simultaneous movement of the two sets of moving assemblies.
As a preferred scheme of the invention, each group of moving assemblies comprises a mounting hole, a moving screw rod, a long nut and a limiting block, the mounting hole is formed in the left inner wall of the through groove, the moving screw rod is rotatably connected in the through groove, the left end of the moving screw rod movably penetrates through the mounting hole, the long nut is in threaded connection with the surface of the moving screw rod, the long nut is fixedly connected with the mounting plate, the limiting block is fixedly connected on the long nut, and the limiting block is slidably connected in the through groove.
As a preferable scheme of the present invention, the first driving assembly includes a fixing frame and a first servo motor, the fixing frame is fixedly connected to the left end of the mounting frame, and the first servo motor is fixedly connected to the fixing frame.
As a preferable scheme of the invention, the linkage assembly comprises two belt pulleys and a transmission belt, the two belt pulleys are respectively and fixedly connected to the surfaces of the two movable screw rods, the transmission belt is sleeved on the surfaces of the two belt pulleys, and the two belt pulleys are in transmission connection through the transmission belt.
As a preferable scheme of the present invention, the rotary positioning mechanism includes a second driving assembly, a lifting assembly and a limiting assembly, the second driving assembly is connected to the lifting assembly to achieve lifting, and the limiting assembly is connected to the lifting assembly to achieve stable lifting.
As a preferable scheme of the invention, the second driving assembly comprises transmission gears, an inner toothed belt and four second servo motors, the second servo motors are fixedly connected to the upper ends of the sealing plates, the output ends of the second servo motors movably penetrate through the sealing plates, the number of the transmission gears is four, the four transmission gears are all rotatably connected in the mounting grooves, the inner toothed belt is sleeved on the surfaces of the four transmission gears, and the four transmission gears are meshed with the inner toothed belt.
As a preferred scheme of the invention, the lifting assembly comprises four lifting screw rods, four threaded sleeves and two pressing plates, the four lifting screw rods are respectively and fixedly connected in four transmission gears, the four lifting screw rods movably penetrate through the mounting plate, the four threaded sleeves are in threaded connection with the surfaces of the four lifting screw rods, the two pressing plates are respectively and fixedly connected to the lower ends of the four threaded sleeves, and the two pressing plates are symmetrically arranged.
As a preferable scheme of the invention, the limiting assemblies are arranged into two groups, each group of limiting assemblies comprises a connecting rod and a limiting rail, the connecting rods are fixedly connected between the two threaded sleeves, the limiting rails are fixedly connected to the lower ends of the mounting plates, and the connecting rods are slidably connected in the limiting rails.
Compared with the prior art, the invention has the advantages that:
(1) when the device is used, firstly, a plate to be cut is placed on a workbench, the position of a laser cutting head is adjusted according to the position of the plate, a PLC controller is used for starting a first servo motor to rotate, the rotation of the first servo motor drives two movable screw rods to rotate simultaneously through the mutual matching of a belt pulley and a transmission belt, the simultaneous rotation of the two movable screw rods enables two long nuts to move on the surfaces of the two movable screw rods, the left and right movement of the long nuts is controlled by controlling the forward and reverse rotation of the first servo motor, when the first servo motor rotates forwards, the long nuts move rightwards, the movement of the long nuts drives the laser cutting head to move through a mounting plate, when the position of the laser cutting head is adjusted, the first servo motor is closed, at the moment, the PLC controller is used for starting the forward rotation of a second servo motor, the forward rotation of the second servo motor drives one of the lifting screw rods to rotate forwards, the corotation of one of the lifting screw rods enables other three lifting screw rods to rotate simultaneously through the mutual matching of the transmission gear and the internal toothed belt, the corotation of four lifting screw rods drives four threaded sleeves to move downwards, the movement of the four threaded sleeves compresses a plate through the pressing plate, the second servo motor is turned off after the plate is compressed, then the extension of the air cylinder is started through the PLC controller, the extension of the air cylinder drives the laser cutting head to move, after the position of the laser cutting head is adjusted, the laser cutting head is started, and the plate is cut through the laser cutting head. The problem of inaccurate cutting is prevented.
(2) In the invention, the connecting rod is used for fixing the two thread sleeves conveniently and preventing the two thread sleeves from rotating during movement, and the limit rail and the connecting rod are matched with each other to limit the thread sleeves conveniently and prevent the thread sleeves from being separated from the surface of the lifting screw rod.
(3) In the invention, the installation groove is arranged for accommodating the transmission gear and the internal toothed belt conveniently, the slot is arranged for inserting the sealing plate conveniently, the sealing plate is detachably connected with the installation plate through two screws, and the handle is used for lifting the sealing plate conveniently.
Drawings
FIG. 1 is an exploded view of a laser cutting robot with a rotary positioning mechanism according to the present invention;
FIG. 2 is a front perspective view of a laser cutting robot having a rotational positioning mechanism of the present invention;
FIG. 3 is a side perspective view of a laser cutting robot having a rotational positioning mechanism of the present invention;
FIG. 4 is a schematic diagram of a moving mechanism of a laser cutting robot with a rotary positioning mechanism according to the present invention;
FIG. 5 is an exploded view of the moving mechanism of a laser cutting robot with a rotary positioning mechanism according to the present invention;
fig. 6 is a schematic view of a rotary positioning mechanism of a laser cutting robot with the rotary positioning mechanism according to the present invention.
The reference numbers in the figures illustrate:
1. a work table; 2. a column; 3. installing a frame; 4. a through groove; 5. mounting holes; 6. moving the screw rod; 7. A long nut; 8. mounting a plate; 9. a limiting block; 10. mounting grooves; 11. a slot; 12. a sealing plate; 13. A handle; 14. a screw; 15. a belt pulley; 16. a drive belt; 17. a fixed mount; 18. a first servo motor; 19. a lifting screw rod; 20. a transmission gear; 21. an inner toothed belt; 22. a threaded sleeve; 23. a connecting rod; 24. a limit rail; 25. pressing a plate; 26. a second servo motor; 27. a cylinder; 28. a laser cutting head; 29. supporting legs; 30. reinforcing ribs; 31. a PLC controller.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-6, a laser cutting robot with a rotary positioning mechanism includes:
workstation 1, four stands 2 of upper end fixedly connected with of workstation 1, four supporting legs 29 of lower extreme fixedly connected with of workstation 1, two strengthening ribs 30 of fixedly connected with between four supporting legs 29.
In this embodiment, the upright 2 is for supporting the mounting frame 3, the support leg 29 is for supporting the worktable 1, and the reinforcing rib 30 is for improving the stability of the support leg 29.
Installing frame 3, installing frame 3 fixed connection are in the upper end of four stands 2, and logical groove 4 has all been seted up at both ends around installing frame 3.
In this embodiment, the mounting frame 3 is convenient for opening the through groove 4, and the through groove 4 is convenient for rotatably connecting the movable screw rod 6.
In this embodiment, the PLC controller 31 is electrically connected to the first servo motor 18, the second servo motor 26, the cylinder 27 and the laser cutting head 28, and controls the first servo motor 18, the second servo motor 26, the cylinder 27 and the laser cutting head 28 through the PLC controller 31 to automate them, and it should be noted that: the first servo motor 18, the second servo motor 26, the cylinder 27, the laser cutting head 28 and the PLC controller 31 are common knowledge of those skilled in the art, and therefore, the internal structure thereof will not be described in detail.
And the mounting plate 8 is arranged on the mounting frame 3.
In this embodiment, the mounting plate 8 is for fixing the cylinder 27.
The cylinder 27, cylinder 27 fixed connection is in the lower extreme of mounting panel 8, and the lower extreme fixedly connected with laser cutting head 28 of cylinder 27.
In this embodiment, the cylinder 27 is for driving the laser cutting head 28 to move, and the laser cutting head 28 is for cutting the plate.
Specifically, set up mounting groove 10 and two slots 11 in the mounting panel 8, the activity is pegged graft in mounting groove 10 and two slots 11 and is had closing plate 12, and closing plate 12 can be dismantled through two screws 14 with mounting panel 8 and be connected, and the upper end fixedly connected with handle 13 of closing plate 12.
In this embodiment, the mounting groove 10 is opened to accommodate the transmission gear 20 and the inner toothed belt 21, the slot 11 is opened to facilitate the insertion of the sealing plate 12, the sealing plate 12 is detachably connected to the mounting plate 8 by two screws 14, and the handle 13 is used to facilitate the lifting of the sealing plate 12.
Specifically, moving mechanism set up on installing frame 3, and moving mechanism includes first drive assembly, linkage subassembly and two sets of removal subassemblies, and first drive assembly, linkage subassembly and two sets of removal subassemblies all set up on installing frame 3, and first drive assembly links to each other in order to realize the linkage with first linkage subassembly, and first linkage subassembly links to each other in order to realize that two sets of removal subassemblies move simultaneously with two sets of removal subassemblies.
In this embodiment, the moving mechanism includes a first driving component, a linkage component and two sets of moving components, the first driving component, the linkage component and the two sets of moving components are all disposed on the mounting frame 3, the first driving component is connected with the first linkage component to realize linkage, and the first linkage component is connected with the two sets of moving components to realize simultaneous movement of the two sets of moving components.
Specifically, every group removes the subassembly and all includes mounting hole 5, remove lead screw 6, long nut 7 and stopper 9, and mounting hole 5 is seted up in logical groove 4's left inner wall, removes lead screw 6 and rotates to be connected in logical groove 4, and removes the left end activity of lead screw 6 and run through mounting hole 5, and 7 threaded connection of long nut in the surface of removing lead screw 6, long nut 7 and mounting panel 8 fixed connection, stopper 9 fixed connection is on long nut 7, and stopper 9 sliding connection is in logical groove 4.
In this embodiment, the installation hole 5 is opened to facilitate the movable penetration of the movable screw rod 6, the two movable screw rods 6 are rotated simultaneously to enable the two long nuts 7 to move on the surfaces of the two movable screw rods 6, the left and right movement of the long nuts 7 is controlled by controlling the forward and reverse rotation of the first servo motor 18, and the limiting block 9 is used to facilitate the movement of the auxiliary long nuts 7.
Specifically, the first driving assembly comprises a fixed frame 17 and a first servo motor 18, the fixed frame 17 is fixedly connected to the left end of the mounting frame 3, and the first servo motor 18 is fixedly connected to the fixed frame 17.
In this embodiment, the fixing frame 17 is for facilitating installation of the first servo motor 18, and the first servo motor 18 is for facilitating driving the two movable screws 6 to rotate simultaneously through mutual cooperation of the belt pulley 15 and the transmission belt 16.
Specifically, the linkage assembly comprises two belt pulleys 15 and two transmission belts 16, the two belt pulleys 15 are respectively and fixedly connected to the surfaces of the two movable screw rods 6, the transmission belts 16 are sleeved on the surfaces of the two belt pulleys 15, and the two belt pulleys 15 are in transmission connection through the transmission belts 16.
In this embodiment, the rotation of the first servo motor 18 drives the two movable screws 6 to rotate simultaneously through the cooperation of the belt pulley 15 and the transmission belt 16.
Specifically, the rotary positioning mechanism is arranged on the mounting plate 8 and comprises a second driving assembly, a lifting assembly and a limiting assembly, the second driving assembly is connected with the lifting assembly to achieve lifting, and the limiting assembly is connected with the lifting assembly to achieve stable lifting.
In this embodiment, rotational positioning mechanism includes second drive assembly, lifting unit and spacing subassembly, and second drive assembly links to each other in order to realize going up and down with lifting unit, and spacing subassembly links to each other in order to realize stabilizing going up and down with lifting unit.
Specifically, the second driving assembly comprises a transmission gear 20, an inner toothed belt 21 and a second servo motor 26, the second servo motor 26 is fixedly connected to the upper end of the sealing plate 12, the output end of the second servo motor 26 movably penetrates through the sealing plate 12, the number of the transmission gears 20 is four, the four transmission gears 20 are all rotatably connected to the mounting groove 10, the inner toothed belt 21 is sleeved on the surfaces of the four transmission gears 20, and the four transmission gears 20 are meshed with the inner toothed belt 21 in a homogeneous mode.
In this embodiment, the forward rotation of the second servo motor 26 drives one of the lifting screws 19 to rotate forward, and the forward rotation of one of the lifting screws 19 enables the other three lifting screws 19 to rotate simultaneously through the mutual matching of the transmission gear 20 and the internal toothed belt 21.
Specifically, lifting unit includes lift lead screw 19, thread bush 22 and clamp plate 25, and lift lead screw 19 and thread bush 22 all set up to four, and four lift lead screw 19 are fixed connection respectively in four drive gear 20, and four equal activity of lift lead screw 19 run through mounting panel 8, and four thread bush 22 threaded connection are in four lift lead screw 19's surface, and clamp plate 25 sets up to two, and two clamp plates 25 are fixed connection respectively in four thread bush 22's lower extreme, and two clamp plates 25 symmetry sets up.
In this embodiment, the forward rotation of the second servo motor 26 drives one of the lifting screws 19 to rotate forward, the forward rotation of one of the lifting screws 19 enables the other three lifting screws 19 to rotate simultaneously through the mutual matching of the transmission gear 20 and the internal toothed belt 21, the forward rotation of the four lifting screws 19 drives the four thread sleeves 22 to move downward, and the movement of the four thread sleeves 22 compresses the plate material through the pressing plate 25.
Specifically, spacing subassembly sets up to two sets ofly, and every spacing subassembly of group all includes connecting rod 23 and spacing rail 24, and connecting rod 23 fixed connection is between two thread bushings 22, and spacing rail 24 fixed connection is in the lower extreme of mounting panel 8, and connecting rod 23 sliding connection is in spacing rail 24.
In this embodiment, the connecting rod 23 is used for fixing the two thread bushings 22 and preventing the two thread bushings 22 from rotating during movement, and the matching of the limiting rail 24 and the connecting rod 23 is used for limiting the thread bushings 22 and preventing the thread bushings 22 from being separated from the surface of the lifting screw rod 19.
The working principle is as follows: when the device is used, firstly, a plate to be cut is placed on the workbench 1, the position of the laser cutting head 28 is adjusted according to the position of the plate, the first servo motor 18 is started to rotate through the PLC 31, the first servo motor 18 rotates to drive the two movable screw rods 6 to rotate simultaneously through the mutual matching of the belt pulley 15 and the transmission belt 16, the two movable screw rods 6 rotate simultaneously to enable the two long nuts 7 to move on the surfaces of the two movable screw rods 6, the left and right movement of the long nuts 7 is controlled by controlling the positive and negative rotation of the first servo motor 18, when the first servo motor 18 rotates forwards, the long nuts 7 move rightwards, the movement of the long nuts 7 drives the laser cutting head 28 to move through the mounting plate 8, when the position of the laser cutting head 28 is adjusted, the first servo motor 18 is closed, and at the moment, the PLC 31 starts the second servo motor 26 to rotate forwards, the forward rotation of the second servo motor 26 drives one of the lifting screw rods 19 to rotate forward, the forward rotation of one of the lifting screw rods 19 enables the other three lifting screw rods 19 to rotate simultaneously through the mutual matching of the transmission gear 20 and the inner toothed belt 21, the forward rotation of four lifting screw rods 19 drives four threaded sleeves 22 to move downwards, the movement of the four threaded sleeves 22 compresses a plate through a pressing plate 25, the second servo motor 26 is closed after the plate is compressed, then the PLC 31 starts the cylinder 27 to extend, the cylinder 27 extends to drive the laser cutting head 28 to move, after the position of the laser cutting head 28 is adjusted, the laser cutting head 28 is started to cut the plate through the laser cutting head 28, the four lifting screw rods 19 simultaneously rotate through the mutual matching of the transmission gear 20 and the inner toothed belt 21, the forward rotation of four lifting screw rods 19 drives the four threaded sleeves 22 to move downwards, the removal of four thread bush 22 compresses tightly panel through clamp plate 25, has improved the degree of accuracy that laser cutting head 28 cut panel through compressing tightly panel, has prevented the not accurate problem of cutting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980876.7A CN114012278A (en) | 2021-08-25 | 2021-08-25 | A laser cutting robot with a rotary positioning mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980876.7A CN114012278A (en) | 2021-08-25 | 2021-08-25 | A laser cutting robot with a rotary positioning mechanism |
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| Publication Number | Publication Date |
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| CN114012278A true CN114012278A (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110980876.7A Pending CN114012278A (en) | 2021-08-25 | 2021-08-25 | A laser cutting robot with a rotary positioning mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116275433A (en) * | 2023-04-11 | 2023-06-23 | 湖南孚谷时代科技有限公司 | Packaging technology and device for gas sensor |
| CN119159258A (en) * | 2024-11-20 | 2024-12-20 | 溧阳中科固能新能源科技有限公司 | A spherical negative electrode material processing device for lithium battery production |
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| JP2003117670A (en) * | 2001-10-15 | 2003-04-23 | Nippon Steel Corp | Laser cutting method for steel sheet |
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| CN213593104U (en) * | 2020-10-23 | 2021-07-02 | 南京林业大学 | A wood cutting device |
| CN113116054A (en) * | 2021-03-30 | 2021-07-16 | 山东外贸职业学院 | English teaching is with multimode study table |
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2021
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| JP2003117670A (en) * | 2001-10-15 | 2003-04-23 | Nippon Steel Corp | Laser cutting method for steel sheet |
| CN210997222U (en) * | 2019-09-03 | 2020-07-14 | 山东钠铭高激光设备有限公司 | Laser cutting machine pressing structure with protection function |
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| CN119159258A (en) * | 2024-11-20 | 2024-12-20 | 溧阳中科固能新能源科技有限公司 | A spherical negative electrode material processing device for lithium battery production |
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