CN116571936A - Nut accessory welding positioning device and method - Google Patents
Nut accessory welding positioning device and method Download PDFInfo
- Publication number
- CN116571936A CN116571936A CN202310385818.9A CN202310385818A CN116571936A CN 116571936 A CN116571936 A CN 116571936A CN 202310385818 A CN202310385818 A CN 202310385818A CN 116571936 A CN116571936 A CN 116571936A
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- 238000003466 welding Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a nut accessory welding positioning device and a nut accessory welding positioning method, relates to the technical field of automobile part welding positioning, solves the problem of poor universality of the existing nut accessory welding positioning device, improves the adaptability of the device and reduces the cost, and the specific scheme is as follows: including base, slip setting locating support, fixed mounting support and the slip of setting on the base set up the movable plate on the support, the movable plate is located locating support directly over, and the locating lever of position adjustable is installed to the bottom of movable plate, locating lever, locating support all are equipped with two and upper and lower one-to-one, and the cover is equipped with the spring that is used for supporting the movable plate on the support, and the movable plate passes through the handle on connecting rod and the support and articulates to the circular motion with the handle converts the upper and lower rectilinear motion of movable plate.
Description
Technical Field
The invention relates to the technical field of welding and positioning of automobile parts, in particular to a nut accessory welding and positioning device and method.
Background
In the welding process of the new energy bus body, especially in the design process of a new bus type, the situations of design change or temporary addition of parts and the like often occur, so that a plurality of nut welding accessories are required to be added. The nut welding is an important welding method adopted by the mass production of new energy buses, and if the design change or the temporarily added nut accessories are not controlled by welding positioning, the welded nut accessories are difficult to reach the assembly size requirement, and the production quality and the production efficiency are affected.
The welding quality and precision of the nut accessories in the production process directly influence the quality of assembly assemblies such as a door body, a seat, electric elements, an interior trim and the like, improve the defects in the nut welding process, and are particularly important for improving the quality and the production efficiency of assembly products of passenger cars.
The inventor finds that the existing positioning tool for welding the nut accessories is a special device for temporarily configuring the nut accessories to be welded, cannot adapt to the nut accessories with different specifications, and when welding and positioning of the nut accessories with various specifications are performed, workers need to transfer and work back and forth among a plurality of corresponding positioning tools, so that time is wasted, the speed and efficiency of assembly of a passenger car are seriously affected, and the production cost is increased.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the nut accessory welding positioning device and the nut accessory welding positioning method, the positioning and the compaction of accessory plates and nuts are realized by using the positioning support and the positioning rod, the positioning support and the positioning rod can move to adjust the positions, the whole positioning device has strong adaptability, the nut accessory processing with different hole pitches can be assisted, and the problem of poor universality of the existing nut accessory welding positioning device is solved.
In order to achieve the above object, the present invention is realized by the following technical scheme:
the invention provides a nut accessory welding positioning device which comprises a base, a positioning support seat arranged on the base in a sliding mode, a support fixedly arranged on the base and a moving plate arranged on the support in a sliding mode, wherein the moving plate is located right above the positioning support seat, positioning rods with adjustable positions are arranged at the bottoms of the moving plate, the two positioning rods and the positioning support seat are respectively arranged in a one-to-one correspondence mode, springs for supporting the moving plate are sleeved on the support seat, and the moving plate is hinged with a handle on the support seat through a connecting rod so as to convert circular motion of the handle into up-down linear motion of the moving plate.
As a further implementation mode, a first installation limit groove of a dovetail groove structure is formed in the upper surface of the base along the length direction of the base, and a sliding block matched with the first installation limit groove is fixedly installed at the bottom of the positioning support.
As a further implementation mode, the support consists of two guide posts fixedly arranged on the base and a top plate connected with the tops of the two guide posts, each guide post is sleeved with a spring, and the moving plate is positioned between the two guide posts and both ends of the moving plate are in sliding connection with the adjacent guide posts.
As a further implementation mode, the middle position of the top plate is hinged with the handle, the handle is hinged with the middle position of the upper surface of the movable plate through the connecting rod, and the handle is hinged with the connecting rod and the connecting rod is hinged with the movable plate.
As a further implementation mode, two second installation limiting grooves and positioning holes which are oppositely arranged are formed in the moving plate along the length direction of the moving plate, the second installation limiting grooves are positioned on the lower surface of the moving plate, and the tops of the positioning rods are inserted into the second installation limiting grooves; the locating hole is a strip hole for installing a limit screw.
As a further implementation mode, the side wall of the top of the positioning rod extends outwards to form a platy connecting part, and a threaded hole matched with the limit screw is formed in the connecting part.
As a further implementation mode, the locating rod is of a hollow structure, the locating support is of a cylindrical structure, and the inner diameter of the locating rod is matched with the outer diameter of the locating support so as to cover the screw hole when the nut is pressed and located.
As a further implementation manner, the unilateral gap between the positioning support and the aperture of the nut is 0.2mm.
As a further implementation mode, one end of the handle is provided with a pin hole, the other end of the handle is provided with a limiting hook, and a limiting pin matched with the limiting hook is fixedly arranged on the connecting rod so as to limit the rotation angle of the handle.
In a second aspect, the invention provides a method for using a nut accessory welding positioning device, which comprises the following steps:
adjusting the center distance between the positioning support and the positioning rod according to the hole spacing of the accessory backup plate, and screwing the limiting screw after the positioning rod is adjusted in place;
sequentially placing the accessory spare plate and the nut on the positioning support, pulling down the handle, and driving the two positioning rods to move downwards by the moving plate, so that the two positioning rods are coaxially meshed with the two positioning support, and compressing the nut and the accessory spare plate by using the positioning rods to perform welding operation;
after the welding operation is completed, the handle is loosened, the moving plate is sprung up by the spring, and the welded nut accessory is taken out integrally.
The beneficial effects of the invention are as follows:
(1) The invention realizes the positioning and compaction of the accessory backup plate and the nut by using the positioning support and the positioning rod, and the positioning support and the positioning rod can move to adjust the position, so that the whole positioning device has strong adaptability, can assist the processing of nut accessories with different hole pitches, reduces the use amount of the tool and reduces the cost.
(2) The connecting rod is hinged with the middle position of the movable plate, and springs are arranged below the two ends of the movable plate, so that the movable plate can be uniformly stressed in the up-and-down movement process, and the phenomenon of inclination of the movable plate is avoided.
(3) According to the nut pressing and positioning device, the positioning rod is used for pressing and positioning the nut and covering the screw hole, so that the problem that the internal thread of the nut is damaged due to welding splashing is effectively solved, other protection components are not required to be arranged for protecting the nut, the structure is greatly simplified, and the cost is reduced.
(4) The unilateral gap between the positioning support and the aperture of the nut is 0.2mm, so that the center distance size can be ensured, the problems that welding quality is poor due to deflection of the handheld nut, internal threads of the nut are damaged due to welding splashing, abnormal sound or partial functions cannot be realized due to nonstandard welding strength and stressed falling in the running process of the vehicle and the like are avoided, the production efficiency is high, the product quality is stable, and the influence of the skill of workers is avoided.
(5) According to the invention, the limit hook is matched with the limit pin, so that the rotation angle of the handle can be effectively limited, the downward moving distance of the moving plate is further limited, and the problem that the moving plate moves upwards due to overlarge pressing force is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic overall construction of a nut fitting welding positioning device according to one or more embodiments of the present invention;
FIG. 2 is a schematic diagram of a front view of a nut fitting welding positioning device according to one or more embodiments of the present invention;
FIG. 3 is a schematic view of a nut fitting welding positioning device according to one or more embodiments of the present invention in its natural state;
FIG. 4 is a schematic illustration of a nut fitting welding positioning device in a compressed state according to one or more embodiments of the present invention;
FIG. 5 is a schematic cross-sectional view of a nut fitting welding positioning device according to one or more embodiments of the present invention;
in the figure: the mutual spacing or size is exaggerated for showing the positions of all parts, and the schematic drawings are used only for illustration;
1, a base; 2. positioning a support; 3. a guide post; 4. a spring; 5. a moving plate; 6. a positioning rod; 7. a limit screw; 8. a top plate; 9. a handle; 10. a connecting rod; 11. a first scale; 12. a second scale; 13. a first hinge point; 14. a second hinge point; 15. a third hinge point; 16. preparing an accessory board; 17. and (3) a nut.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As described in the background art, the existing positioning tool for welding nut accessories is mostly a special device for temporarily configuring nut accessories to be welded, and cannot adapt to nut accessories of different specifications, when welding and positioning of nut accessories of various specifications are performed, workers need to transfer and work back and forth among a plurality of corresponding positioning tools, time is wasted, the speed and efficiency of assembly of a passenger car are seriously affected, and the production cost is increased.
Example 1
In a typical embodiment of the present invention, as shown in fig. 1-5, a nut accessory welding positioning device is provided, including a base 1, a positioning support 2, a bracket, a moving plate 5, and a positioning rod 6, wherein a first installation limiting groove for placing the positioning support 2 is formed on the base 1 along the length direction of the base 1, the positioning support 2 is slidably disposed in the first installation limiting groove, and two positioning supports 2 are provided for positioning the accessory spare plate 16 with holes;
the support fixed mounting is on base 1, and movable plate 5 slides and sets up on the support, and locating lever 6 is installed to the bottom of movable plate 5, and locating lever 6 is equipped with two and corresponds with location support 2 one by one, and locating lever 6 is hollow structure to be used for the pressing to nut 17.
The movable plate 5 is hinged with the handle 9 on the support through the connecting rod 10, the movable plate 5 is hinged with the connecting rod 10, the handle 9 is hinged with the connecting rod 10, and the handle 9 is hinged with the support, and the circular motion of the handle 9 is converted into the linear motion of the movable plate 5 through the hinged connection, so that the movable plate 5 can be driven to move up and down under the driving of the handle, and the positioning rod 6 is driven to move towards the direction approaching or far away from the positioning support 2.
Specifically, the upper surface of base 1 has seted up first installation spacing groove along its length direction, and first installation spacing groove is the dovetail structure, and the cross section of first installation spacing groove is big-end-down's isosceles trapezoid promptly, and the bottom fixed mounting of locating support 2 has the slider, and the shape phase-match of the shape of the first installation spacing groove on the slider and the base 1 to make locating support 2 can be in first installation spacing inslot along length direction gliding, avoid locating support 2 to draw from in the first installation spacing groove and deviate from.
The support comprises guide pillar 3 and roof 8, and guide pillar 3 is equipped with two, and two guide pillar 3 are through welded mode relative fixed setting on base 1, and guide pillar 3 is located first installation spacing inslot, and roof 8 fixed connection is passed through at the top of two guide pillar 3.
Each guide post 3 is sleeved with a spring 4, the movable plate 5 is positioned between the two guide posts 3, two ends of the movable plate 5 are respectively connected with the adjacent guide posts 3 in a sliding manner, the springs 4 are positioned below the movable plate 5, and the movable plate 5 can move up and down along the length direction of the guide posts 3.
The middle position of the top plate 8 is hinged with the handle 9, the handle 9 is also hinged with the middle position of the upper surface of the movable plate 5 through the connecting rod 10, the handle 9 is also hinged with the connecting rod 10, namely, a first hinge point 13 is arranged between the top plate 8 and the handle 9, a second hinge point is arranged between the handle 9 and the connecting rod 10, and a third hinge point is arranged between the connecting rod 10 and the movable plate 5, so that the movable plate 5 can be pressed down through the connecting rod 10 under the action of the handle 9, and the movable plate 5 can be moved up under the action of the spring 4.
Because the connecting rod 10 is hinged with the middle position of the movable plate 5, and springs 4 are arranged below the two ends of the movable plate 5, the movable plate 5 can be uniformly stressed in the up-and-down movement process, and the phenomenon that the movable plate 5 inclines is avoided.
As shown in fig. 3 and 5, the moving plate 5 is provided with a second installation limit groove and a positioning hole, and the second installation limit groove and the positioning hole are oppositely arranged at two sides of the moving plate 5 and are all arranged along the length direction of the moving plate 5;
the second installation limiting groove is in a dovetail groove structure, is positioned on the lower surface of the moving plate 5, and is inserted into the top of the positioning rod 6; the locating hole is a strip hole structure penetrating through the moving plate 5 and used for installing the limit screw 7.
The lateral wall at the top of the locating rod 6 outwards extends to form a platy connecting part, and a threaded hole matched with the limit screw 7 is formed in the connecting part on the lateral wall of the locating rod 6, so that the locating rod 6 can move along the length direction of the second installation limit groove to adjust the position of the locating rod on the moving plate 5, and the fixing of the position can be realized through the matching of the limit screw 7 and the threaded hole, and the locating rod 6 is prevented from being stressed to slide in the pressing process.
Wherein, the upper surface of the connecting part on the positioning rod 6 is tightly contacted with the lower surface of the moving plate 5, so as to ensure that the inclination phenomenon can not occur in the moving process of the positioning rod 6.
The second installation spacing groove is located the first installation spacing groove directly over to make locating lever 6 be located the locating support 2 directly over, for guaranteeing the axiality between locating lever 6 and the locating support 2, set up first scale 11, base 1 on movable plate 5 and set up second scale 12, in order to guarantee locating lever 6, locating support 2 position adjustment's accuracy.
The internal diameter of locating lever 6 and the external diameter phase-match of locating support 2, locating support 2 are cylindric structure, can the cartridge in locating lever 6, in the in-service use, and accessible locating lever 6 is covered the screw when compressing tightly the location to nut 17, has effectively prevented the welding to splash and has led to the impaired problem of nut internal thread, need not to set up other protection parts and protect the nut, has simplified the structure greatly, the cost is reduced.
Wherein, the unilateral clearance in locating support 2 and nut 17 aperture is 0.2mm, can guarantee center distance size, can avoid handheld nut 17 crooked welding quality poor that leads to again, and welding splashes and leads to nut 17 internal thread impaired and welding strength not up to standard atress to drop and appear abnormal sound or some function unable realization scheduling problem in leading to the vehicle to travel, not only production efficiency is high, and product quality is stable and not influenced by workman's skill.
As shown in fig. 5, one end of the handle 9 is a pin hole, and the other end is a limit hook, and the limit hook is mainly used for setting the rotation angle of the handle 9; the connecting rod 10 comprises two connecting plates and a limiting pin, the two connecting plates are fixedly connected together, the limiting pin is fixedly arranged between the two connecting plates, the rotating angle of the handle 9 can be limited under the cooperation between the limiting hook and the limiting pin, the downward moving distance of the moving plate 5 is further limited, and the problem that the moving plate 5 moves upwards due to overlarge pressing force is avoided.
Example 2
In another exemplary embodiment of the present invention, a method for using a nut accessory welding positioning device is provided, which specifically includes:
firstly, the positioning device is adjusted to be in a natural state (as shown in fig. 3), the spring 4 plays a supporting role, the center distances of the positioning support 2 and the positioning rod 6 are quickly adjusted according to the hole distance of the accessory backup plate 16 and the comparison of the first graduated scale 11 and the second graduated scale 12 on the mobile plate 5 and the base 1, the positioning rod 6 is coaxially meshed with the positioning support 2, the positioning rod 6 is adjusted in place, and then the limiting screw 7 is screwed to fix the positioning rod 6, so that the positioning rod 6 is prevented from being driven to move left and right at will when the mobile plate 5 moves up and down;
then the accessory backup plate 16 and the nut 17 are sequentially placed on the positioning support 2, the positioning device is adjusted to be in a compressed state (as shown in fig. 4), the lower handle 9 drives the two positioning rods 6 to move downwards through the first hinging point 13, the second hinging point 14 and the third hinging point 15, so that the two positioning rods 6 are coaxially meshed with the two positioning supports 2, and the nut 17 and the accessory backup plate 16 are compressed by the positioning rods 6 to perform welding operation;
when the positioning device is adjusted to be in a pressed state (as shown in fig. 4), the limiting hooks at the end part of the handle 9 are contacted with the limiting pins of the connecting rod 10, and the problem that the moving plate 5 moves upwards due to overlarge pressing force is effectively avoided by utilizing the cooperation between the limiting hooks and the limiting pins.
After the welding operation is finished, the handle 9 is loosened, the moving plate 5 is sprung up by the spring 4, the welded nut accessories are taken out integrally, the spring 4 plays a supporting role, the accessory spare plate 16 and the nuts 17 of the new energy bus are convenient to place/take, and the working efficiency is improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a nut annex welding positioning device, its characterized in that, including base, slide setting locating support, fixed mounting support and the slip movable plate of setting on the support on the base, the movable plate is located the locating support directly over, and the locating lever of position adjustable is installed to the bottom of movable plate, locating lever, locating support all are equipped with two and upper and lower one-to-one, and the cover is equipped with the spring that is used for supporting the movable plate on the support, and the movable plate passes through the handle on connecting rod and the support and articulates to the circular motion with the handle converts the upper and lower rectilinear motion of movable plate.
2. The welding and positioning device for nut accessories according to claim 1, wherein a first installation limit groove of a dovetail groove structure is formed in the upper surface of the base along the length direction of the base, and a sliding block matched with the first installation limit groove is fixedly installed at the bottom of the positioning support.
3. The welding and positioning device for nut accessories according to claim 1, wherein the bracket is composed of two guide posts fixedly arranged on the base and a top plate connected with the tops of the two guide posts, each guide post is sleeved with a spring, and the moving plate is positioned between the two guide posts and both ends of the moving plate are in sliding connection with the adjacent guide posts.
4. A nut fitting welding positioning device as defined in claim 3, wherein the intermediate position of said top plate is hinged to the handle, and the handle is hinged to the intermediate position of the upper surface of the moving plate via the link, and the handle is hinged to the link, and the link is hinged to the moving plate.
5. The welding and positioning device for the nut accessories according to claim 1, wherein the moving plate is provided with two second installation limiting grooves and positioning holes which are oppositely arranged along the length direction of the moving plate, the second installation limiting grooves are positioned on the lower surface of the moving plate, and the tops of the positioning rods are inserted into the second installation limiting grooves; the locating hole is a strip hole for installing a limit screw.
6. The welding and positioning device for nut accessories according to claim 5, wherein the side wall of the top of the positioning rod extends outwards to form a plate-shaped connecting part, and a threaded hole matched with the limit screw is formed in the connecting part.
7. The welding and positioning device for nut accessories according to claim 1, wherein the positioning rod is of a hollow structure, the positioning support is of a cylindrical structure, and the inner diameter of the positioning rod is matched with the outer diameter of the positioning support so as to cover the screw hole while compacting and positioning the nut.
8. The welding positioning device for nut accessories according to claim 1, wherein the unilateral gap between the positioning support and the nut aperture is 0.2mm.
9. The welding and positioning device for nut accessories according to claim 1, wherein one end of the handle is a pin hole, the other end of the handle is a limiting hook, and a limiting pin matched with the limiting hook is fixedly arranged on the connecting rod to limit the rotation angle of the handle.
10. A method of using a nut fitting welding positioning device as defined in any one of claims 1-9, comprising the steps of:
adjusting the center distance between the positioning support and the positioning rod according to the hole spacing of the accessory backup plate, and screwing the limiting screw after the positioning rod is adjusted in place;
sequentially placing the accessory spare plate and the nut on the positioning support, pulling down the handle, and driving the two positioning rods to move downwards by the moving plate, so that the two positioning rods are coaxially meshed with the two positioning support, and compressing the nut and the accessory spare plate by using the positioning rods to perform welding operation;
after the welding operation is completed, the handle is loosened, the moving plate is sprung up by the spring, and the welded nut accessory is taken out integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310385818.9A CN116571936A (en) | 2023-04-04 | 2023-04-04 | Nut accessory welding positioning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310385818.9A CN116571936A (en) | 2023-04-04 | 2023-04-04 | Nut accessory welding positioning device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116571936A true CN116571936A (en) | 2023-08-11 |
Family
ID=87540328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310385818.9A Pending CN116571936A (en) | 2023-04-04 | 2023-04-04 | Nut accessory welding positioning device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116571936A (en) |
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2023
- 2023-04-04 CN CN202310385818.9A patent/CN116571936A/en active Pending
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