CN210649008U - Laser marking machine and jig assembly thereof - Google Patents

Laser marking machine and jig assembly thereof Download PDF

Info

Publication number
CN210649008U
CN210649008U CN201921095834.XU CN201921095834U CN210649008U CN 210649008 U CN210649008 U CN 210649008U CN 201921095834 U CN201921095834 U CN 201921095834U CN 210649008 U CN210649008 U CN 210649008U
Authority
CN
China
Prior art keywords
jig
boss
rotating shaft
adsorption cavity
subassembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921095834.XU
Other languages
Chinese (zh)
Inventor
李金凤
袁杰
梁华亮
李闯
曹洪涛
吕启涛
高云峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Han s Laser Technology Industry Group Co Ltd
Original Assignee
Han s Laser Technology Industry Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Han s Laser Technology Industry Group Co Ltd filed Critical Han s Laser Technology Industry Group Co Ltd
Priority to CN201921095834.XU priority Critical patent/CN210649008U/en
Application granted granted Critical
Publication of CN210649008U publication Critical patent/CN210649008U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Laser Beam Processing (AREA)

Abstract

The utility model provides a jig assembly, which comprises a jig body fixedly connected with a rotating shaft of a laser marking machine, wherein one end of the jig body, which is far away from the rotating shaft, is provided with a plurality of mounting hole sites for placing processing workpieces, and a first adsorption cavity is arranged inside the jig body; one end of the first adsorption cavity is communicated with the mounting hole, the other end of the first adsorption cavity is used for being hermetically connected with a vacuum generating device, and the vacuum generating device is used for adsorbing and fixing the processed workpiece on the jig body; still provide a laser marking machine, including cabinet body subassembly, set firmly respectively in cabinet body subassembly's swivel work head subassembly and electronic laser subassembly, connect in the tool subassembly of swivel work head's rotation axis and the vacuum generating device who connects the tool subassembly. Set up a plurality of installation hole sites on the tool body, a plurality of processing work pieces of beating can be accomplished in a material loading, have improved production efficiency, come fixed connection, easy operation, firm in connection through vacuum adsorption between simultaneous processing work piece and the tool body.

Description

Laser marking machine and jig assembly thereof
Technical Field
The utility model belongs to the technical field of laser marking, more specifically say, relate to a laser marking machine and tool subassembly thereof.
Background
The laser marking technology focuses laser beams on the surface of a processed object through a lens to form tiny light spots with high energy density, and each high-energy laser pulse instantaneously breaks molecular bonds on the surface of the processed material to form a marking trace. The pre-designed characters, graphics and other contents are permanently marked on the surface of the material, so that the marking effect is stable and reliable, and the permanent mark cannot fade.
In the actual production process, the product needs to be subjected to 360-degree laser marking, and due to the fact that the same product is clamped for multiple times, the error is large, the marking efficiency is low, and the quality is poor; under the condition of only once clamping, the traditional mode is a feeding mode of adopting a single-hole jig, 360-degree laser marking is carried out by utilizing a rotary worktable, and errors caused by repeated clamping are avoided. Particularly for small-sized products (such as mobile phone keys), the single-hole feeding mode is not only inefficient, but also inconvenient to clamp and takes a long time.
Disclosure of Invention
An object of the utility model is to provide a tool subassembly to solve the small-size work piece that exists among the prior art and beat the technical problem of time standard inefficiency, be difficult to the centre gripping.
In order to achieve the above object, the utility model adopts the following technical scheme: providing a jig assembly, which comprises a jig body fixedly connected with a rotating shaft of a laser marking machine, wherein a plurality of mounting hole sites for placing a machined workpiece are arranged at one end of the jig body, which is far away from the rotating shaft, and are radially and uniformly distributed along the circumferential direction of a central shaft of the jig body, and the mounting hole sites correspond to the machined workpiece one by one;
a first adsorption cavity is formed in the jig body; one end of the first adsorption cavity is communicated with the mounting hole, the other end of the first adsorption cavity is used for being connected with a vacuum generating device in a sealing mode, and the vacuum generating device is used for adsorbing and fixing the machined workpiece on the jig body.
Further, the jig body is detachably connected with the rotating shaft;
the number of the mounting holes is 3.
Further, the jig body further comprises a first base connected to the rotating shaft and a first boss fixedly arranged at one end of the first base, which is far away from the rotating shaft, the mounting hole is located on the first boss, and the first base and the first boss are integrally formed.
The adapter plate comprises a second base fixedly connected with the rotating shaft and a second boss detachably connected with the first base, and the second boss is fixedly arranged at one end, far away from the rotating shaft, of the second base;
a second adsorption cavity is arranged inside the second boss; the first adsorption cavity penetrates through the first base and the first boss, one end of the second adsorption cavity is communicated with the first adsorption cavity in a sealing mode, and the other end of the second adsorption cavity is connected with the vacuum generating device in a sealing mode.
Further, still include and be used for sealing connection the second adsorb cavity with the sealing washer of first adsorb cavity, the one end of second boss near the tool body is equipped with the first recess that encircles the second adsorbs the cavity, the sealing washer is located in the first recess.
Further, the second boss and the first base are fixedly connected through magnetic attraction.
Furthermore, a plurality of positioning pieces are arranged on the second boss, a plurality of positioning holes are formed in the first base, and the positioning pieces are inserted into the positioning holes.
Furthermore, a first opening is formed in the second boss, and a second opening is formed in the position, opposite to the first opening, of the jig body.
Furthermore, two third openings which are symmetrically arranged are arranged on the second boss.
The utility model provides a tool subassembly's beneficial effect lies in: compared with the prior art, the utility model discloses the tool subassembly sets up a plurality of installation hole sites on the tool body, a material loading can accomplish beating of a plurality of processing work pieces beat the mark, production efficiency has been improved, come fixed connection through vacuum adsorption between simultaneous processing work piece and the tool body, the problem of small-size work piece can the clamping area little and inconvenient centre gripping and cause the deformation easily has been avoided, only need to insert the installation hole site with the processing work piece, then it can be fixed with the processing work piece to open vacuum generating device, need not to adjust the work piece repeatedly, and easy operation, firm in connection, also can not cause the damage to the processing work piece.
A second object of the utility model is to provide a laser marking machine to the technical problem that the small-size work piece that exists among the solution prior art beats the time standard inefficiency, is difficult to the centre gripping.
In order to achieve the above object, the utility model adopts the following technical scheme: the laser marking machine comprises a cabinet body assembly, a rotary workbench assembly, an electric laser assembly, a jig assembly and a vacuum generating device, wherein the rotary workbench assembly and the electric laser assembly are respectively and fixedly arranged at the top end of the cabinet body assembly; the rotary worktable assembly comprises a fixing piece fixedly arranged on the cabinet body assembly, a servo motor connected to the fixing piece and a rotating shaft connected with the servo motor, and the servo motor drives the rotating shaft to rotate; the jig assembly is fixedly connected with the rotating shaft;
the laser of the electric laser component is set with a plurality of working heights and used for carrying out laser marking on a plurality of sides of a processed workpiece.
The utility model provides a laser marking machine's beneficial effect lies in: compared with the prior art, the utility model discloses laser marking machine sets up the installation hole site of a plurality of equipartitions on the tool body, the laser sets for a plurality of mark heights and marks the mark to the different sides of processing the work piece respectively, after the mark is beaten to the first side of first processing work piece, rotate the second processing work piece to former first processing work piece department through rotatory workstation subassembly rotation tool body, mark the first side of second processing work piece subsequently, after the mark is beaten to the first side of all processing work pieces is all beaten to completion, adjust the laser to another mark height and beat the mark to the second side of processing work piece, mark all the completion of the side of beating the mark of all processing work pieces required; the marking of a plurality of processing work pieces can be accomplished to a material loading, production efficiency is improved, come fixed connection through vacuum adsorption between simultaneous processing work piece and the tool body, the problem of having avoided small-size work piece can the clamping area little and inconvenient centre gripping and causing the deformation easily, only need to insert the processing work piece installation hole site, then open vacuum generating device and can be fixed with the processing work piece, need not to adjust the work piece repeatedly, easy operation, firm in connection, also can not cause the damage to the processing work piece.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a laser marking machine provided in an embodiment of the present invention;
FIG. 2 is a schematic view of the rotary table assembly and the fixture assembly of FIG. 1;
FIG. 3 is a schematic structural view of the jig body in FIG. 2;
fig. 4 is a schematic view of the structure of the transfer plate in fig. 2.
Wherein, in the figures, the respective reference numerals:
1. a jig component;
11. a jig body; 111. mounting hole sites; 112. a first adsorption cavity;
113. a first base; 114. a first boss; 115. positioning holes; 116. a second opening; 117. a second groove;
12. an adapter plate; 121. a second base;
122. a second boss; 1221. a second adsorption cavity; 1222. a first groove; 1223. a first opening;
1224. a third opening;
123. a positioning member;
13. a gas pipe joint;
2. a rotating table assembly; 21. a fixing member; 22. a servo motor; 23. a rotating shaft;
3. a cabinet assembly; 4. an electrodynamic laser assembly.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to fig. 3, the jig assembly of the present invention will now be described. The jig assembly comprises a jig body 11 fixedly connected with a rotating shaft 23 of the laser marking machine, wherein a plurality of mounting hole sites 111 for placing a machined workpiece are arranged at one end of the jig body 11 away from the rotating shaft 23, the mounting hole sites 111 are radially and uniformly distributed along the circumferential direction of a central shaft of the jig body 11, and the mounting hole sites 111 correspond to the machined workpiece one by one;
a first adsorption cavity 112 is arranged inside the jig body 11; one end of the first adsorption cavity 112 is communicated with the mounting hole 111, the other end of the first adsorption cavity 112 is used for being hermetically connected with a vacuum generating device, and the vacuum generating device is used for adsorbing and fixing the processing workpiece on the jig body 11.
The utility model provides a jig subassembly, compared with the prior art, set up a plurality of installation hole sites 111 on tool body 11, a material loading can accomplish the mark of beating of a plurality of processing work pieces, the production efficiency is improved, come fixed connection through vacuum adsorption between simultaneous processing work piece and the tool body 11, the problem of small-size work piece can the clamping area little and inconvenient centre gripping just cause the deformation easily has been avoided, only need to insert installation hole site 111 with the processing work piece, then it can be fixed with the processing work piece to open vacuum generating device, need not to adjust repeatedly the work piece, and the operation is simple, firm in connection, can not cause the damage to the processing work piece yet.
Preferably, the number of the mounting hole sites 111 is set to 3; 3 installation hole sites 111 are 120 equipartitions on tool body 11 for 3 processing work pieces can not shelter from laser each other, ensure that every processing work piece can mark completely.
Further, referring to fig. 1 to 3, as a specific embodiment of the jig assembly of the present invention, the jig body 11 is detachably connected to the rotating shaft 23; after 3 processing work pieces on tool body 11 are marked the mark and are accomplished, directly take off tool body 11 and trade another tool body 11 of accomplishing the material loading and beat the mark, carry out unloading and material loading once more to this tool body 11 again, replace online direct replacement processing work piece through replacing tool body 11, shortened the time of going up unloading, improved production efficiency.
Further, please refer to fig. 3, as a specific embodiment of the jig assembly provided by the present invention, the jig body 11 further includes a first base 113 connected to the rotating shaft 23 and a first boss 114 fixedly disposed at an end of the first base 113 far away from the rotating shaft 23, the mounting hole 111 is disposed on the first boss 114, and the first base 113 and the first boss 114 are integrally formed; the machined workpiece protrudes out of the rotating shaft 23, so that the machined workpiece can be marked conveniently, and the laser is prevented from damaging other structures.
Further, please refer to fig. 2 and fig. 4 together, as a specific embodiment of the jig assembly of the present invention, the jig assembly further includes an adapter plate 12, the adapter plate 12 includes a second base 121 fixedly connected to the rotating shaft 23 and a second boss 122 detachably connected to the first base 113, the second boss 122 is fixedly disposed at one end of the second base 121 far away from the rotating shaft 23;
a second adsorption cavity 1221 is arranged inside the second boss 122; the first adsorption cavity 112 penetrates through the first base 113 and the first boss 114, one end of the second adsorption cavity 1221 is hermetically communicated with the first adsorption cavity 112, and the other end of the second adsorption cavity 1221 is hermetically connected with the vacuum generating device; thereby avoid tool body 11 directly to make rotation axis 23 produce wearing and tearing to influence on rotation axis 23 and beat the mark quality, rotation axis 23 is more firm with being connected of tool subassembly 1, connects vacuum generator on keysets 12 simultaneously, makes the replacement of tool body 11 more convenient.
Specifically, the jig assembly 1 further includes an air pipe joint 13 for connecting the second adsorption cavity 1221 and the vacuum generating device, and the air pipe joint 13 is fixedly disposed on the second boss 122; the vacuum generating device is convenient to connect, and the leakage at the joint of the vacuum generating device and the second adsorption cavity 1221 is avoided.
Further, referring to fig. 2 and fig. 4, as a specific embodiment of the jig assembly provided by the present invention, the jig assembly further includes a sealing ring for sealing and connecting the second adsorption cavity 1221 and the first adsorption cavity 112, one end of the second boss 122 close to the jig body 11 is provided with a first groove 1222 surrounding the second adsorption cavity 1221, and the sealing ring is located in the first groove 1222; the jig body 11 and the adapter plate 12 are connected in a sealing mode through the sealing ring, and therefore the vacuum leakage is prevented from affecting laser marking or enabling a processed workpiece to drop.
Further, referring to fig. 3 and fig. 4, as a specific embodiment of the jig assembly provided by the present invention, the second boss 122 is fixedly connected to the first base 113 through magnetic attraction; the jig body 11 and the adapter plate 12 are fixedly connected through magnetic attraction, screw locking is not needed, the taking and placing are convenient and fast, the dismounting time is reduced, and the production efficiency is improved.
Specifically, the adapter plate 12 is made of a steel material, a second groove 117 is formed in one side, close to the adapter plate 12, of the first base 113, and a magnet is embedded in the second groove 117; simple structure and convenient purchase and processing.
Further, please refer to fig. 3 and fig. 4 together, as a specific embodiment of the jig assembly provided by the present invention, a plurality of positioning elements 123 are disposed on the second boss 122, a plurality of positioning holes 115 are disposed on the first base 113, and the positioning elements 123 are inserted into the positioning holes 115; the installation location of tool body 11 and keysets 12 is convenient for, need constantly adjust the mounted position when avoiding changing tool body 11 at every turn, improves production efficiency.
Specifically, the number of the positioning members 123 is two, and the number of the positioning holes 115 is two; not only ensures the positioning function, but also simplifies the structure and is convenient to process.
Preferably, the second boss 122 is provided with a first opening 1223, and the jig body 11 is provided with a second opening 116 at a position opposite to the first opening 1223; further install the location to tool body 11 and keysets 12, avoid the installation dislocation, make the installation position of every tool body 11 unanimous, beat at every turn and need not to change the procedure, improve production efficiency.
Further, referring to fig. 4, as a specific embodiment of the jig assembly provided by the present invention, two third openings 1224, which are symmetrically arranged, are disposed on the second boss 122; the jig body 11 can be conveniently taken from and placed on the adapter plate 12 through the two third openings 1224, and the efficiency of replacing the jig body 11 is improved.
Referring to fig. 1, the present invention further provides a laser marking machine, which includes a cabinet assembly 3, a rotary worktable assembly 2 and an electric laser assembly 4 respectively fixed on the top end of the cabinet assembly 3, a jig assembly 1 according to any of the foregoing embodiments, and a vacuum generating device connected to the jig assembly 1; the rotary worktable assembly 2 comprises a fixed part 21 fixedly arranged on the cabinet body assembly 3, a servo motor 22 connected to the fixed part 21 and a rotating shaft 23 connected with the servo motor 22, and the servo motor 22 drives the rotating shaft 23 to rotate; the jig assembly 1 is fixedly connected with the rotating shaft 23;
the laser of the electric laser assembly 4 sets a plurality of working heights for laser marking a plurality of sides of the workpiece to be processed.
The utility model provides a laser marking machine, set up the installation hole site 111 of a plurality of equipartitions on tool body 11, the laser instrument sets for a plurality of marking heights and marks the mark to the different sides of processing the work piece respectively, after the mark is accomplished to the first side of first processing work piece, rotate tool body 11 through swivel work head subassembly 2 and rotate the second processing work piece to former first processing work piece department, mark the first side of second processing work piece subsequently, after marking is accomplished to the first side of all processing work pieces, adjust the laser instrument to another marking height and mark the second side of processing the work piece, mark is accomplished to the side of the required mark of all processing work pieces; the marking of a plurality of processing work pieces can be accomplished to a material loading, production efficiency is improved, come fixed connection through vacuum adsorption between simultaneous processing work piece and the tool body 11, the problem of small and inconvenient centre gripping of the small-size work piece that can the clamping area and cause the deformation easily has been avoided, only need to insert the processing work piece installation hole site 111, then open vacuum generating device and can be fixed with the processing work piece, need not to adjust the work piece repeatedly, and easy operation, firm in connection, also can not cause the damage to the processing work piece.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The tool subassembly, including be used for with laser marking machine's rotation axis fixed connection's tool body, its characterized in that: the jig comprises a jig body, a rotating shaft, a plurality of mounting holes and a plurality of positioning holes, wherein the rotating shaft is arranged on the jig body;
a first adsorption cavity is formed in the jig body; one end of the first adsorption cavity is communicated with the mounting hole, the other end of the first adsorption cavity is used for being connected with a vacuum generating device in a sealing mode, and the vacuum generating device is used for adsorbing and fixing the machined workpiece on the jig body.
2. The jig assembly of claim 1, wherein: the jig body is detachably connected with the rotating shaft;
the number of the mounting holes is 3.
3. The jig assembly of claim 2, wherein: the jig body further comprises a first base connected to the rotating shaft and a first boss fixedly arranged at one end, far away from the rotating shaft, of the first base, the mounting hole is located on the first boss, and the first base and the first boss are integrally formed.
4. The jig assembly of claim 3, wherein: the adapter plate comprises a second base fixedly connected with the rotating shaft and a second boss detachably connected with the first base, and the second boss is fixedly arranged at one end, far away from the rotating shaft, of the second base;
a second adsorption cavity is arranged inside the second boss; the first adsorption cavity penetrates through the first base and the first boss, one end of the second adsorption cavity is communicated with the first adsorption cavity in a sealing mode, and the other end of the second adsorption cavity is connected with the vacuum generating device in a sealing mode.
5. The jig assembly of claim 4, wherein: the fixture comprises a fixture body, and is characterized by further comprising a sealing ring for hermetically connecting the second adsorption cavity with the first adsorption cavity, wherein a first groove surrounding the second adsorption cavity is formed in one end, close to the fixture body, of the second boss, and the sealing ring is located in the first groove.
6. The jig assembly of claim 4, wherein: the second boss is fixedly connected with the first base through magnetic attraction.
7. The jig assembly of claim 4, wherein: the second boss is provided with a plurality of positioning pieces, the first base is provided with a plurality of positioning holes, and the positioning pieces are inserted into the positioning holes.
8. The jig assembly of claim 4, wherein: the second boss is provided with a first opening, and a second opening is arranged at the position of the jig body, which is just opposite to the first opening.
9. The jig assembly of claim 4, wherein: and two third openings which are symmetrically arranged are arranged on the second boss.
10. Laser marking machine, including cabinet body subassembly, and set firmly respectively in swivel work head subassembly and the electronic laser subassembly on cabinet body subassembly's top, its characterized in that: further comprising a jig assembly according to any one of claims 1 to 9 and a vacuum generating device connected to the jig assembly; the rotary worktable assembly comprises a fixing piece fixedly arranged on the cabinet body assembly, a servo motor connected to the fixing piece and a rotating shaft connected with the servo motor, and the servo motor drives the rotating shaft to rotate; the jig assembly is fixedly connected with the rotating shaft;
the laser of the electric laser component is set with a plurality of working heights and used for carrying out laser marking on a plurality of sides of a processed workpiece.
CN201921095834.XU 2019-07-12 2019-07-12 Laser marking machine and jig assembly thereof Active CN210649008U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921095834.XU CN210649008U (en) 2019-07-12 2019-07-12 Laser marking machine and jig assembly thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921095834.XU CN210649008U (en) 2019-07-12 2019-07-12 Laser marking machine and jig assembly thereof

Publications (1)

Publication Number Publication Date
CN210649008U true CN210649008U (en) 2020-06-02

Family

ID=70825391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921095834.XU Active CN210649008U (en) 2019-07-12 2019-07-12 Laser marking machine and jig assembly thereof

Country Status (1)

Country Link
CN (1) CN210649008U (en)

Similar Documents

Publication Publication Date Title
CN210649008U (en) Laser marking machine and jig assembly thereof
CN201644969U (en) Tool for electric pulse processing inclined holes on cutting tool
CN209349537U (en) A kind of large torque new energy electric machine casing Self-positioning clamp
CN216657127U (en) Clamp structure for numerical control machine tool
CN215616434U (en) Novel five machining centers
CN211490546U (en) Clamp for machining center metal parts
CN111906441A (en) Clamping structure, kettle mouth welding set and laser welding equipment
CN212945558U (en) Clamp for drilling bearing flange plate
CN211966464U (en) Concentric positioning mechanism for welding products
CN114131365A (en) Clamp structure for numerical control machine tool
CN216138496U (en) Oil pump zero point positioning quick change frock
CN110666224A (en) Small-sized inner cavity five-axis characteristic machining method based on three-axis machine tool
CN214560301U (en) Clamping device of annular part
CN215615809U (en) Laser marking machine with defect detection function
CN212858552U (en) Horizontal machining clamp for multiple main shafts of steering knuckle
CN221290378U (en) Vice clamp for machining and machining device
CN219751119U (en) Carousel formula evaporimeter commodity circulation device
CN215699349U (en) Rotary welding fixture
CN216575938U (en) EDM ox horn discharge jig
CN215640073U (en) Double-shaft rotary jig suitable for full-automatic mold detection device
CN217833341U (en) Rotation type work piece processing frock
CN212887256U (en) A treat that processing product places anchor clamps for chemicals production
CN216028962U (en) Rotary welding fixture
CN218426497U (en) Work fixture
CN113118811A (en) CNC equipment of electron product accessory processing

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant