CN219402816U - Sleeve laser marking machine - Google Patents
Sleeve laser marking machine Download PDFInfo
- Publication number
- CN219402816U CN219402816U CN202320546362.5U CN202320546362U CN219402816U CN 219402816 U CN219402816 U CN 219402816U CN 202320546362 U CN202320546362 U CN 202320546362U CN 219402816 U CN219402816 U CN 219402816U
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- China
- Prior art keywords
- sleeve
- guiding
- laser marking
- marking
- cutting
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- 238000010330 laser marking Methods 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims description 32
- 210000000078 claw Anatomy 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000002950 deficient Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model relates to the technical field of laser marking machines, in particular to a sleeve laser marking machine, which comprises a machine cabinet, a laser marking mechanism arranged on the machine cabinet, a sleeve guiding cutting mechanism arranged on the machine cabinet and positioned at a marking end of the laser marking mechanism, and a micro industrial computer, wherein the sleeve guiding cutting mechanism is provided with a guiding positioning part for guiding a sleeve to move to the marking end for marking, a tube pulling part for pulling the sleeve to move at intervals, and a cutting part for cutting the sleeve; the guiding and positioning part is provided with a guiding pipe with a marking window. The automatic printing and cutting device automatically completes printing and cutting effects, reduces manual operation of a user, does not need the user to operate under a marking laser head, and greatly increases the use safety of laser marking equipment; and prevent the sleeve pipe through the stand pipe as the guide location and take place the phenomenon of skew in moving, improve the accuracy of marking, reduce the production of defective products, avoid the waste of material.
Description
Technical Field
The utility model relates to the technical field of laser marking machines, in particular to a sleeve laser marking machine.
Background
Laser marking machines are used to mark surfaces of a variety of substances with a laser beam. The effect of marking is to expose deep layer substances through the evaporation of surface layer substances, thereby etching exquisite patterns, trademarks and characters, and the laser marking machine is mainly applied to occasions requiring finer and higher precision at present. The plastic material is applied to electronic components, integrated circuits, electrical appliances, mobile phone communication, hardware, tool accessories, precision instruments, glasses clocks, jewelry, automobile accessories, plastic keys, building materials and PC pipes.
The cable sleeve is also one of PC tubular product, and current marking machine needs the manual work to remove and fix the circuit, then beats it to carry out laser, beats and takes out it after the mark is accomplished, and manual operation step is complicated, and some tubular product still need cut out after beating the mark and accomplish, neatly put the tubular product on the tool through the manual work, cuts again, and the manual work is cut and is led to tubular product length different easily, and adopts manual operation to cause the potential safety hazard easily.
Disclosure of Invention
Accordingly, in order to solve the above-mentioned shortcomings, the present utility model provides a sleeve laser marking machine.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a sleeve laser marking machine comprising: the device comprises a cabinet, a laser marking mechanism arranged on the cabinet, a sleeve guiding cutting mechanism arranged on the cabinet and positioned at a marking end of the laser marking mechanism, and a micro industrial control computer for controlling the laser marking mechanism and the sleeve guiding cutting mechanism to operate, wherein the sleeve guiding cutting mechanism is provided with a guiding positioning part for guiding the sleeve to move to the marking end for marking, a tube pulling part for pulling the sleeve to move at intervals, and a cutting part for cutting the sleeve; the guiding positioning part is provided with a guiding pipe with a marking window, the surface of the sleeve is exposed and the marking window is opposite to the marking end, so that the laser marking mechanism can print labels on the sleeve.
Preferably, the laser marking mechanism comprises an ultraviolet laser and a laser vibrating mirror which is arranged at the output end of the ultraviolet laser and used for marking the exposed sleeve of the marking window.
Preferably, the guiding and positioning part comprises a wireless detection conductive block with a guiding hole and a guiding pipe arranged along the central axis of the guiding hole, and the diameter of the guiding pipe is slightly larger than that of the sleeve. .
Preferably, the tube pulling part comprises a transmission shaft group capable of extruding and pulling the sleeve, an tightness adjusting component capable of adjusting tightness of the transmission shaft group and a driving unit for driving the transmission shaft group to operate, one transmission shaft of the transmission shaft group is provided with a bearing seat swing arm, a driven shaft in transmission connection with the transmission shaft through a gear set is arranged in the bearing seat swing arm, the driven shaft and the other transmission shaft are provided with rollers capable of extruding mutually, and the bearing seat swing arm is provided with a lifting wheel sliding sheet for enabling the tightness adjusting component to toggle the bearing seat swing arm.
Preferably, the tightness adjusting component is provided with a rotatable lifting wheel arm, one end of the lifting wheel arm is provided with a lifting wheel arm for poking a lifting wheel sliding sheet, and the bottom of the lifting wheel arm is provided with a pulley which slides in contact with the lifting wheel sliding sheet; the tightness adjusting assembly is also provided with a limit adjusting wheel for adjusting the tightness of the transmission shaft group, and the limit adjusting wheel is provided with a limit adjusting screw shaft for pushing the lifting wheel arm.
Preferably, the cutting part comprises an air claw and a cutting blade which is arranged on the two handles of the air claw and moves relatively, the cutting part also comprises a vertical guide sliding rail, two sliding blocks which are respectively connected with the two handles are arranged on the vertical guide sliding rail, and the cutting blade is arranged on the sliding blocks.
Preferably, the cutting part further comprises a guide block with a guide notch, the guide block is positioned on one side of the tube pulling part, and the central axis of the guide notch coincides with the central axis of the guide tube.
Preferably, the roller is made of an elastic material.
Preferably, the sleeve laser marking machine further comprises a cooling system, wherein the cooling system comprises a cooling water tank arranged below the inner part of the cabinet and a cooling water pipe arranged on the cabinet.
Preferably, the cabinet is provided with a protective cover on one side of the sleeve guiding cutting mechanism, and an exhaust port connected with an exhaust pipe on the outer side is arranged on the protective cover.
The utility model has the following advantages: the sleeve passes through a guide pipe of the guide positioning part, the guide positioning part guides and positions the sleeve, the surface of the sleeve exposed at the marking window is subjected to label printing through the laser marking mechanism, the sleeve is pulled by the pipe pulling part, a section of sleeve printed with labels is pulled out of the guide positioning part, the set length is pulled out, the sleeve is pulled to the cutting part, the cutting part cuts the sleeve, and the sleeve pulled to the guide positioning part at the rear continuously prints the labels through the laser marking mechanism; the automatic printing and cutting device automatically completes printing and cutting effects, reduces manual operation of a user, does not need the user to operate under a marking laser head, and greatly increases the use safety of laser marking equipment; and prevent the sleeve pipe through the stand pipe as the guide location and take place the phenomenon of skew in moving, improve the accuracy of marking, reduce the production of defective products, avoid the waste of material.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the utility model with the cover removed;
FIG. 3 is a schematic view of a sleeve guide cutting mechanism according to the present utility model;
FIG. 4 is a schematic view of a sleeve guide cutting mechanism according to another embodiment of the present utility model;
fig. 5 is an enlarged schematic view of the portion a in fig. 4.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
Referring to fig. 1 and 2, the present embodiment of the market provides a sleeve laser marking machine, which comprises a cabinet 10, wherein a mounting frame 101 and a cover 102 are arranged at the top of the cabinet 10, a micro industrial control computer 103 is arranged on the cover 102, a laser marking mechanism 20 and other electrical components are arranged on the mounting frame 101 through the operation of the control equipment of the micro industrial control computer 103, the laser marking mechanism 20 comprises an ultraviolet laser 201 and a laser vibrating mirror 202 which is arranged at the output end of the ultraviolet laser 201 and marks the exposed sleeve of a marking window 3013, a fixing frame 104 is arranged on the cabinet 10 below the laser vibrating mirror 202, and the fixing frame 104 is provided with a sleeve guiding cutting mechanism 30; the sleeve guiding and cutting mechanism 30 comprises a guiding positioning part 301 for guiding the sleeve to move to the laser galvanometer 202 for marking, a tube pulling part 302 for pulling the sleeve to move at intervals and a cutting part 303 for cutting the sleeve, the tube pulling part 302 is controlled by the micro industrial control computer 103 to realize interval movement, the tube pulling part 302 is positioned between the guiding positioning part 301 and the cutting part 303, the guiding positioning part 301 comprises a wireless detection conductive block 3011 with a guide hole and a guiding tube 3012 arranged along the central axis of the guide hole, the diameter of the guiding tube 3012 is slightly larger than that of the sleeve, marking windows 3013 are symmetrically arranged on the guiding tube 3012, the sleeve sequentially penetrates through the guide hole of the wireless detection conductive block 3011 and the guiding tube 3012, and the laser galvanometer 202 refracts laser rays to the surface of the sleeve exposed in the marking windows 3013 so as to realize the laser marking mechanism 20 to print labels on the sleeve. The guide tube 3012 is provided with symmetrical marking windows 3013, so that the guide tube 3012 is prevented from being damaged by laser light when no material is in the guide tube 3012.
For convenient transportation and carrying of equipment, universal wheels are arranged at four corners of the bottom of the cabinet 10, and for convenient fixing, foot cups are arranged at four corners of the bottom of the cabinet 10.
In summary, the sleeve passes through the guide tube 3012 of the guide positioning portion 301, the guide positioning portion 301 guides and positions the sleeve, so that the surface of the sleeve exposed at the marking window 3013 prints the label on the sleeve through the laser marking mechanism 20, the sleeve pulling portion 302 pulls the sleeve, a section of the sleeve printed with the label pulls out of the guide positioning portion 301, and the sleeve is pulled out by a set length, so that the sleeve is pulled to the cutting portion 303, the sleeve is cut by the cutting portion 303, and the sleeve pulled to the guide positioning portion 301 in the rear continues to print the label on the sleeve through the laser marking mechanism 20; the automatic printing and cutting device automatically completes printing and cutting effects, reduces manual operation of a user, does not need the user to operate under the marking laser head, and greatly increases the use safety of the laser marking device.
Specifically, referring to fig. 3, fig. 4 and fig. 5, the tube pulling portion 302 includes a transmission shaft group 3021 capable of mutually extruding and pulling a sleeve, a tightness adjusting assembly 3022 capable of adjusting tightness of the transmission shaft group 3021, and a driving unit 3023 for driving the transmission shaft group 3021 to operate, wherein the driving unit 3023 is a motor; a bearing seat swing arm 30211 is arranged on one transmission shaft of the transmission shaft group 3021, a driven shaft 30212 in transmission connection with the transmission shaft through a gear set is arranged in the bearing seat swing arm 30211, a movable groove for the driven shaft 30212 to move up and down is formed in a front plate of the fixing frame 104, a roller 3024 capable of mutually extruding is arranged between the driven shaft 30212 and the other transmission shaft, the roller 3024 is made of elastic materials such as rubber, silica gel or acrylic, and the like, and the surface of a sleeve is prevented from being scratched when the sleeve is extruded and pulled by adopting the elastic materials; the bearing seat swing arm 30211 is provided with a lifting wheel slide 30213 for enabling the tightness adjusting assembly 3022 to toggle the bearing seat swing arm 30211; in addition, the tightness adjusting assembly 3022 is provided with a rotatable lifting wheel arm 30221, one end of the lifting wheel arm 30221 is provided with a lifting wheel arm 30222 for poking the lifting wheel slide 30213, and the bottom of the lifting wheel arm 30222 is provided with a pulley 30223 which slides in contact with the lifting wheel slide 30213; the tightness adjusting assembly 3022 is further provided with a limit adjusting wheel 30224 for adjusting tightness of the transmission shaft group 3021, and the limit adjusting wheel 30224 is provided with a limit adjusting screw shaft 30225 for pushing the lifting wheel arm 30222; when the lifting wheel arm 30221 is shifted anticlockwise, the lifting wheel arm 30222 is shifted to lift the lifting wheel slide 30213, the bearing seat swing arm 30211 is tilted to drive the driven shaft 30212 to move upwards, the roller 3024 on the driven shaft 30212 is separated from the roller 3024 on the transmission shaft, the sleeve passes through the guide tube 3012 to extend onto the roller 3024 on the transmission shaft, the lifting wheel arm 30221 is shifted clockwise, the lifting wheel arm 30222 is enabled to press the lifting wheel slide 30213, the bearing seat swing arm 30211 is enabled to drive the driven shaft 30212 to move downwards, the roller 3024 on the driven shaft 30212 is enabled to be in extrusion transmission with the roller 3024 on the transmission shaft, the limiting adjusting screw rod shaft 30225 is adjusted to push the lifting wheel arm 30222 through the rotation limiting adjusting wheel 30224, and therefore the extrusion tightness of the two rollers 3024 is adjusted, and the sleeve is pulled when the two rollers 3024 rotate; and set up pulley 30223 in lifting wheel arm 30222 bottom, can reduce lifting wheel arm 30222 and lifting wheel slide 30213's friction, ensure its life.
The cutting part 303 comprises an air claw 3031 and a cutting blade 3032 which is arranged on two handles of the air claw 3031 and relatively movable, a vertical plate is arranged on a front plate of the fixing frame 104, a vertical guide sliding rail 3033 is arranged on the vertical plate, two sliding blocks 3034 which are respectively connected with the two handles are arranged on the vertical guide sliding rail 3033, the cutting blade 3032 is arranged on the sliding blocks 3034, when the air claw 3031 is started, the two handles of the air claw 3031 are closed, the two cutting blades 3032 are clamped to cut a sleeve, and the air claw 3031 is ensured to start clamping the two cutting blades 3032 more stably through the cooperation of the vertical guide sliding rail 3033 and the sliding blocks 3034, so that the sign of cutter breakage is avoided.
Preferably, the clipping portion 303 further comprises a guide block 3035 with a guide notch, the guide block 3035 is located at one side of the tube pulling portion 302, the central axis of the guide notch coincides with the central axis of the guide tube 3012, the sleeve is effectively guided to the position between the two clipping blades 3032 through the arrangement, the sleeve moving process is prevented from being deviated, the problem of uneven clipping caused is avoided, and the clipping quality of the sleeve is effectively guaranteed.
Further, still include cooling system, cooling system is including locating the cooling water tank 106 of the inside below of rack 10 and laying the condenser tube on rack 10, effectively reduces the heat that ultraviolet laser 201 gives off through cooling system, ensures the life of the interior electrical components of rack 10 and ultraviolet laser 201, reduces the replacement cost.
In order to avoid light and smell generated during operation of the laser marking mechanism 20 to be emitted to the outside, a protective cover 105 is arranged on one side of the cabinet 10, which is positioned on the sleeve guide cutting mechanism 30, and an exhaust interface connected with an exhaust tube on the outer side is arranged on the protective cover 105, so that light emission can be avoided, workers are influenced, meanwhile, the laser marking mechanism is connected with the exhaust tube through the exhaust interface 1051, smell emitted by marking is pumped away through the exhaust tube, and freshness of working environment air is guaranteed.
The working principle is as follows: setting parameters such as label patterns, sleeve cutting length, driving unit 3023 speed and the like in a micro industrial computer 103, enabling a sleeve to sequentially pass through a guide hole of a wireless detection conductive block 3011 and a guide pipe 3012, simultaneously stirring a lifting wheel arm 30221 anticlockwise, enabling a lifting wheel arm 30222 to stir and lift a lifting wheel slide 30213, enabling a bearing seat swing arm 30211 to tilt, driving a driven shaft 30212 to move upwards, enabling a roller 3024 on the driven shaft 30212 to be separated from a roller 3024 on the driving shaft, enabling the sleeve to pass through the roller 3024 extending to the driving shaft from the guide pipe 3012 and pass through a guide notch of the guide block 3035, stirring a lifting wheel arm 30221 clockwise, enabling the lifting wheel arm 30222 to press the lifting wheel slide 30213, enabling the bearing seat swing arm 30211 to drive the driven shaft 30212 to move downwards, enabling the roller 3024 on the driven shaft 30212 to press and the roller 3024 on the driving shaft to be in a squeezing transmission mode, and enabling a limit adjusting screw shaft 30225 to push and adjust the tightness of extrusion of the two rollers 3024 by rotating a limit adjusting wheel bar 30224, so that the sleeve is pulled when the two rollers 3024 rotate; the ultraviolet laser 201 is started, laser light is refracted to the marking window 3013 through the laser galvanometer 202, label printing is carried out on the surface of the sleeve, after printing is finished, the laser galvanometer 202 stops printing, the driving unit 3023 is started, the two rollers 3024 are rotated and pulled, the sleeve is pulled between the two cutting blades 3032, after the length of the conveyed sleeve reaches the set length, the two rollers 3024 stop rotating and pulling, the laser galvanometer 202 starts printing another section of sleeve, meanwhile, the air claw 3031 starts, and the two cutting blades 3032 are clamped to cut the sleeve.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
Claims (10)
1. A sleeve laser marking machine comprising: the laser marking machine comprises a cabinet, a laser marking mechanism arranged on the cabinet, a sleeve guiding cutting mechanism arranged on the cabinet and positioned at a marking end of the laser marking mechanism, and a micro industrial control computer for controlling the laser marking mechanism and the sleeve guiding cutting mechanism to operate, and is characterized in that the sleeve guiding cutting mechanism is provided with a guiding positioning part for guiding the sleeve to move to the marking end for marking, a tube pulling part for pulling the sleeve to move at intervals, and a cutting part for cutting the sleeve; the guiding positioning part is provided with a guiding pipe with a marking window, the surface of the sleeve is exposed out of the marking window, and the marking window is opposite to the marking end, so that the laser marking mechanism prints labels on the sleeve.
2. The sleeve laser marking machine according to claim 1, wherein the laser marking mechanism comprises an ultraviolet laser and a laser galvanometer which is arranged at the output end of the ultraviolet laser and marks the sleeve with a marking window exposed.
3. The sleeve laser marking machine according to claim 1, wherein the guiding positioning portion comprises a wireless detecting conductive block having a guiding hole and a guiding tube disposed along a central axis of the guiding hole, the guiding tube having a diameter slightly larger than the diameter of the sleeve.
4. The sleeve laser marking machine according to claim 1, wherein the tube pulling part comprises a transmission shaft group capable of mutually extruding and pulling the sleeve, a tightness adjusting component capable of adjusting tightness of the transmission shaft group and a driving unit for driving the transmission shaft group to operate, one transmission shaft of the transmission shaft group is provided with a bearing seat swing arm, a driven shaft in transmission connection with the transmission shaft through a gear set is arranged in the bearing seat swing arm, the driven shaft and the other transmission shaft are provided with rollers capable of mutually extruding, and the bearing seat swing arm is provided with a lifting wheel sliding sheet for enabling the tightness adjusting component to toggle the bearing seat swing arm.
5. The sleeve laser marking machine according to claim 4, wherein the tightness adjusting component is provided with a rotatable lifting wheel arm, one end of the lifting wheel arm is provided with a lifting wheel arm for poking a lifting wheel sliding sheet, and the bottom of the lifting wheel arm is provided with a pulley which slides in contact with the lifting wheel sliding sheet; the tightness adjusting assembly is also provided with a limit adjusting wheel for adjusting the tightness of the transmission shaft group, and the limit adjusting wheel is provided with a limit adjusting screw shaft for pushing the lifting wheel arm.
6. The sleeve laser marking machine according to claim 1, wherein the cutting part comprises an air claw and a cutting blade which is arranged on the two handles of the air claw and relatively movable, the cutting part further comprises a vertical guide sliding rail, two sliding blocks which are respectively connected with the two handles are arranged on the vertical guide sliding rail, and the cutting blade is arranged on the sliding blocks.
7. The sleeve laser marking machine of any one of claims 1 to 5, wherein the cutting portion further includes a guide block having a guide slot, the guide block is located on one side of the pull tube portion, and a center axis of the guide slot coincides with a center axis of the guide tube.
8. The sleeve laser marking machine of claim 4, wherein the roller is made of an elastomeric material.
9. The cannulated laser marking machine of claim 1, further comprising a cooling system comprising a cooling water tank disposed below the interior of the cabinet and a cooling water pipe disposed on the cabinet.
10. The sleeve laser marking machine according to claim 1, wherein a protective cover is arranged on one side of the cabinet, which is positioned on the sleeve guiding cutting mechanism, and an exhaust port connected with an exhaust tube on the outer side is arranged on the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320546362.5U CN219402816U (en) | 2023-03-20 | 2023-03-20 | Sleeve laser marking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320546362.5U CN219402816U (en) | 2023-03-20 | 2023-03-20 | Sleeve laser marking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219402816U true CN219402816U (en) | 2023-07-25 |
Family
ID=87228592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320546362.5U Active CN219402816U (en) | 2023-03-20 | 2023-03-20 | Sleeve laser marking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219402816U (en) |
-
2023
- 2023-03-20 CN CN202320546362.5U patent/CN219402816U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |