CN117484000A - Electrical switch cabinet metal plate welding equipment - Google Patents
Electrical switch cabinet metal plate welding equipment Download PDFInfo
- Publication number
- CN117484000A CN117484000A CN202311761292.6A CN202311761292A CN117484000A CN 117484000 A CN117484000 A CN 117484000A CN 202311761292 A CN202311761292 A CN 202311761292A CN 117484000 A CN117484000 A CN 117484000A
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- Prior art keywords
- welding
- electrical
- switch cabinet
- cabinet
- electric
- 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.)
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- 238000003466 welding Methods 0.000 title claims abstract description 71
- 239000002184 metal Substances 0.000 title claims description 13
- 238000004021 metal welding Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 238000001179 sorption measurement Methods 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims description 31
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 11
- 238000009826 distribution Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 241000463219 Epitheca Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the field of automatic welding, and discloses electrical switch cabinet sheet metal welding equipment, which comprises an automatic welding head, wherein the automatic welding head is used for welding points of an electrical switch cabinet; the manipulator is provided with a plurality of groups and is used for clamping and placing the internal installation parts of the electrical cabinet and placing the auxiliary fixing mechanism; the auxiliary fixing mechanism is used for reinforcing the welding of the mounting piece and the electrical cabinet and is separable from the manipulator, so that the occupation of the internal space of the electrical cabinet during welding operation is reduced; the operation table is used for receiving the electrical switch cabinet; the modularized electromagnet unit is composed of a plurality of electromagnets distributed in an array, and the specific electrifying quantity and electrifying group number are controlled by the controller to form regional magnetic field adsorption.
Description
Technical Field
The invention relates to the field of automatic welding, in particular to sheet metal welding equipment for an electrical switch cabinet.
Background
The electrical switch cabinet is common electrical equipment and mainly used for switching, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of a power system. The components in the switch cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a transformer, various protection devices and the like. The shell is prepared by metal plate processing, and the welding of the side plate of the cabinet body is realized by manpower before the time span is longer, and along with the development of technology and the industrial automation, the original manual welding is replaced by automatic welding.
The prior automatic welding device for the power distribution cabinet drives a welding gun through a multi-shaft mechanical arm, and clamps the power distribution cabinet by matching with a rotatable mechanical clamping jaw, so that high-efficiency automation of welding is realized, the automatic welding is realized through welding between outer shells of the power distribution cabinet, the mounting parts and the like additionally arranged in the power distribution cabinet are mostly manual and semi-automatic welding, the main reasons are that the inner space of the power distribution cabinet is small, the mechanical arm is difficult to miniaturize due to the complex technical structure, welding objects and the cabinet body are required to be reinforced simultaneously when the inside of the power distribution cabinet is welded, and if the mechanical arm is reinforced through the mechanical arm, the mechanical arm for reinforcing and the mechanical arm for welding can interfere with each other due to the fact that the inner space of the power distribution cabinet is small, so that manual welding is adopted, the manual welding is adopted, or the semi-automatic welding is realized, namely, after the welding parts are reinforced manually, the welding is performed through the automatic welding equipment.
Based on the above problems, we present an automated welding apparatus that can fully realize electrical cabinet internal installations.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a sheet metal welding device for an electrical switch cabinet and a preparation process thereof, which are used for solving the problems.
The technical aim of the invention is realized by the following technical scheme: an electrical switch cabinet sheet metal welding device comprises
An automated welding head for welding the welding points of the electrical cabinet;
the manipulator is provided with a plurality of groups and is used for clamping and placing the internal installation parts of the electrical cabinet and placing the auxiliary fixing mechanism;
the auxiliary fixing mechanism is used for reinforcing the welding of the mounting piece and the electrical cabinet and is separable from the manipulator, so that the occupation of the internal space of the electrical cabinet during welding operation is reduced;
the operation table is used for receiving the electrical switch cabinet;
the modularized electromagnet unit is composed of a plurality of electromagnets distributed in an array, and the specific power-on quantity and the specific power-on group number are controlled by the controller to form regional magnetic field adsorption.
Still further, the manipulator includes multiaxis arm, the inside servo motor that is provided with of one end of multiaxis arm, servo motor's output is connected with rotates the connecting piece, it is connected with electronic clamping jaw to rotate the connecting piece, electronic clamping jaw includes automatically controlled line and clamping jaw, automatically controlled line is connected with outside power supply unit, one side of clamping jaw is provided with distance sensor.
Still further, auxiliary fixation mechanism includes the rolling storehouse, the inside in rolling storehouse rotates and is connected with the dwang, the lower extreme fixedly connected with dwang of dwang, the outside of dwang is fixed with the one end of torsion coil spring, the one end fixedly connected with mounting of torsion coil spring, mounting fixedly connected with is in the inner wall in rolling storehouse, the outside of dwang still fixedly connected with rolling dish, the up end of rolling dish is provided with the spacing tooth that is used for restricting the unidirectional rotation of rolling dish, one side butt of spacing tooth has the gag lever post, gag lever post fixed connection is on the inner wall in rolling storehouse, the lower extreme of rolling dish is connected with the epitheca through the bearing rotation, the epitheca passes through spring sliding connection in the inboard of inferior valve, the lower extreme fixedly connected with pressure sensor in rolling storehouse, pressure sensor's lower extreme is connected with the bottom flange.
Further: the outside of turning block is provided with the joint groove of size and clamping jaw looks adaptation.
Further: the length of the distance sensor installed position distance from the bottom end of the clamping jaw is smaller than that of the clamping groove.
Further: the winding disc is connected with one end of a connecting rope, the tangent plane of the winding disc is I-shaped, the surface of the winding disc, which is in direct contact with the connecting rope, is arc-shaped, and one end of the connecting rope is internally connected with a magnetic metal block.
Further: the electric switch cabinet is characterized in that electric push rods are further arranged on two sides of the electric switch cabinet, and the electric push rods are used for clamping the electric switch cabinet.
Further: one end of the electric push rod is connected with a rotating structure, and the rotating structure is used for overturning the clamped electric switch cabinet.
According to the above-mentioned scheme,
compared with the prior art, the beneficial effects are as follows:
1. according to the invention, through the structural design, the mechanism for realizing the fixing of the auxiliary mounting part through the manipulator is arranged to realize the fixing requirement of the mounting part during welding, so that the welded manipulator can independently complete the whole welding process without additional auxiliary fixing, and different fixing modes can be selected for different mounting part materials to realize convenient fixing.
2. Meanwhile, the invention also realizes the fixation of the electrical cabinet processing on the bearing table through the modularized electromagnet unit, and the modularized design can solve the power consumption of the electromagnet, and meanwhile, the automatic welding auxiliary fixation structure can well fix non-magnetic metal and magnetic technology, and a user can select the fixation mode in the processing through the type of the assembly part.
Drawings
FIG. 1 is a schematic diagram of a sheet metal welding device for an electrical switch cabinet;
FIG. 2 is an enlarged view of the area A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the internal structure of the auxiliary fixing mechanism of the present invention;
FIG. 4 is an enlarged view of the structure of area B of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic view of a turning block according to the present invention;
FIG. 6 is a schematic view of a structure of a take-up reel according to the present invention;
fig. 7 is a schematic diagram of the operation of the manipulator of the present invention when the auxiliary fixing mechanism is placed.
In the figure: 1. automating the welding head; 2. a manipulator; 3. an electric push rod; 4. an electrical switch cabinet; 5. a mounting member; 6. an auxiliary fixing mechanism; 7. an operation table; 8. a modular electromagnet unit; 21. a multi-axis mechanical arm; 23. rotating the connecting piece; 24. an electric clamping jaw; 241. an electric control line; 242. a clamping jaw; 243. a distance sensor; 61. a rolling bin; 62. a connecting rope; 63. a magnetic metal block; 611. a rotating block; 612. a clamping groove; 613. a fixing member; 614. torsion coil springs; 615. a rotating lever; 617. a reel; 618. a limit rod; 619. an upper housing; 620. a lower housing; 621. a spring; 623. a pressure sensor; 624. an abutment plate; 625. and a limit tooth.
Detailed Description
The invention will now be further described by way of specific examples with reference to the accompanying drawings, which are given by way of illustration only and not by way of limitation.
Example 1
According to the figures 1-7, an electrical switch cabinet sheet metal welding device comprises an automatic welding head 1, wherein the automatic welding head 1 is used for welding a welding point of an electrical cabinet; the manipulator 2 is provided with a plurality of groups, and the manipulator 2 is used for clamping and placing the internal installation parts of the electrical cabinet and placing the auxiliary fixing mechanism 6; the auxiliary fixing mechanism 6 is used for reinforcing welding of the mounting piece and the electrical cabinet, and the auxiliary fixing mechanism 6 and the manipulator 2 can be separated, so that occupation of the internal space of the electrical cabinet in welding operation is reduced; the operation table 7 is used for receiving the electrical switch cabinet 4; the modularized electromagnet units 8 are formed by a plurality of electromagnets distributed in an array, and the specific power-on quantity and the specific power-on group quantity are controlled by the controller to form regional magnetic field adsorption.
It can be understood that, considering that the volume of the mechanical arm is large, only one group of mechanical arms can perform independent operation in the electrical cabinet box body at most, so that when the installation piece in the electrical cabinet cannot be welded, one group of mechanical arms are fixed, and the other group of mechanical arms operate and weld, and therefore, the placement, the fixation and the welding of the installation piece are considered to be performed as independent three steps.
We have therefore to achieve a fixation of the mounting before the welding step is performed, and not dependent on the continuous control provided by the robotic arm.
The above structure is designed, wherein the automatic welding head 1 is the existing mature technology, the automatic mechanical arm welding device is not described too much, the principle is the disclosed prior art, the mechanical arm 2 drives the electric clamping jaw 24 of the disclosed technology to realize clamping and transportation of the mounting piece and clamping and rotation of the rotating block 611 through the servo motor assembled on the mechanical arm of the prior art, and the electric clamping jaw 24 is of the type of Dongyou reaching the type of connecting rod type electric clamping jaw CHZ 25-S14.
When the manipulator 2 firstly places the mounting piece in the electrical cabinet, if the mounting piece is magnetic metal and can be magnetically attracted, the mounting piece can be directly fixed by controlling the modularized electromagnet unit 8 to realize the magnetic attraction of a specific position, and then the mounting piece is directly welded by the automatic welding head 1,
when the mounting piece mounted by the manipulator 2 is made of metal incapable of being magnetically attracted, after the mounting piece is fixedly placed, the manipulator 2 clamps the auxiliary fixing mechanism 6 and then is placed on the surface of the mounting piece, the mounting piece is reinforced by matching with the modularized electromagnet unit 8, then the mounting piece is simply welded and fixed firstly through the automatic welding head 1, then the auxiliary fixing mechanism 6 is removed through the manipulator 2, and finally the complete welding is carried out through the automatic welding head 1.
The manipulator 2 comprises a multi-axis mechanical arm 21, a servo motor is arranged inside one end of the multi-axis mechanical arm 21, the output end of the servo motor is connected with a rotating connecting piece 23, the rotating connecting piece 23 is connected with an electric clamping jaw 24, the electric clamping jaw 24 comprises an electric control wire 241 and a clamping jaw 242, the electric control wire 241 is connected with an external power supply unit, and one side of the clamping jaw 242 is provided with a distance sensor 243.
It will be appreciated that in connection with the above description, first the servo motor may rotate the motorized jaw 24, and the motorized jaw 24 may rotate the winding chamber 61.
The auxiliary fixing mechanism 6 comprises a winding bin 61, a rotating block 611 is rotatably connected to the inside of the winding bin 61, a rotating rod 615 is fixedly connected to the lower end of the rotating block 611, one end of a torsion coil spring 614 is fixedly connected to the outer side of the rotating rod 615, a fixing part 613 is fixedly connected to the inner wall of the winding bin 61, a winding disc 617 is fixedly connected to the outer side of the rotating rod 615, a limiting tooth 625 for limiting one-way rotation of the winding disc 617 is arranged on the upper end face of the winding disc 617, a limiting rod 618 is abutted to one side of the limiting tooth 625, the limiting rod 618 is fixedly connected to the inner wall of the winding bin 61, the lower end of the winding disc 617 is rotatably connected with an upper shell 619 through a bearing, the upper shell 619 is fixedly connected to the inner side of a lower shell 620 through a spring 621, a pressure sensor 623 is fixedly connected to the lower end of the winding bin 61, a bottom connecting disc 624 is connected to the lower end of the pressure sensor 623, one end of the winding disc 617 is connected with a connecting rope 62, and one end of the winding disc 617 is directly connected with the winding disc 62 in a shape of an arc, and the winding disc 617 is in contact with the arc-shaped metal disc 617.
It will be appreciated that the above-described structure is designed to provide a reinforcement mechanism for reinforcing a mounting member, which can be mounted on the surface of the mounting member, and which can be placed and recovered by the manipulator 2 and can be separated from the manipulator 2, so that the space occupation is small, and the welding operation of the automated welding head 1 is not hindered.
The specific principle is that, firstly, after the mechanical arm 2 places the mounting piece which cannot be magnetically attracted in the electrical switch cabinet 4, then the mechanical arm 2 clamps the auxiliary fixing mechanism 6 to be placed on the surface of the mounting piece 5, the placing process needs to control the specific area of the modularized electromagnet unit 8 to generate magnetic force so as to attract the magnetic metal block 63 to be in an unfolding state, then when the bottom receiving plate 624 contacts with the surface of the mounting piece 5, at the moment, the modularized electromagnet unit 8 also realizes adsorption fixation on the magnetic metal block 63 before, then the electric clamping jaw 24 rotates to drive the rotating block 611 to actively drive the connecting rope 62 to roll up, as the rolling up proceeds, the pressure applied by the pressure sensor 623 gradually increases, when the expected pressure value reaches the set pressure value, the electric clamping jaw 24 stops rotating and releases the rotating block 611, at the moment, the rotating block 611 has a reset trend under the action of the torsion coil spring 614, but can not reset due to the action of the limiting rod 618, so that fixation is realized, the auxiliary fixing mechanism 6 is guaranteed to continuously and stably fix the mounting piece 5, then the periphery of the mounting piece 5 is subjected to spot welding reinforcement by the automatic welding head 1, after the spot welding reinforcement is finished, the rotating block 611 is clamped again by the manipulator 2, the rotating block 611 is pressed down, the rotating block 611 drives the winding disc 617 to move downwards, the winding disc 617 and the limiting rod 618 are released, the winding disc 617 is reset and rotated under the action of the torsion coil spring 614, the pressing of the auxiliary fixing mechanism 6 to the mounting piece 5 is released, the magnetic force of the modularized electromagnet unit 8 is released to absorb the magnetic metal block 63, the auxiliary fixing mechanism 6 is clamped and taken out by the manipulator 2, and finally the complete welding is finished again by the automatic welding head 1.
The outer side of the rotating block 611 is provided with a clamping groove 612 with a size matched with the clamping jaw 242.
The purpose of this is to stabilize the clamping of the rotating block 611 by the robot arm 2.
The distance sensor 243 is installed at a position, and the length of the bottom end of the clamping jaw 242 is smaller than the length of the clamping groove 612.
It will be appreciated that to ensure stable docking of the jaws 242 into the clamping groove 612 each time, the distance sensor 243 may detect the distance of the jaws 242 from the inner wall of the rotating block 611, thereby assisting the jaws in determining whether to move to a specified position, thereby ensuring stable carry of the jaws 242 to clamp the rotating block 611.
Example 2
The utility model provides an electrical switch cabinet panel beating welding equipment, electrical switch cabinet 4's both sides still are provided with electric putter 3, electric putter 3 is used for carrying out the centre gripping to electrical switch cabinet 4.
One end of the electric push rod 3 is connected with a rotating structure, and the rotating structure is used for overturning the clamped electric switch cabinet 4.
The technology is in the prior art, namely when the switch cabinet is fixed and welded, the switch cabinet can be clamped and fixed simply through the electric push rod, and the problem of adjusting the welding angle can be realized through the rotation of the electric push rod.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (8)
1. An electrical switchgear panel beating welding equipment, characterized by comprising;
an automatic welding head (1), wherein the automatic welding head (1) is used for welding the welding points of the electrical cabinet;
the manipulator (2) is provided with a plurality of groups, and the manipulator (2) is used for clamping and placing the internal installation parts of the electrical cabinet and placing the auxiliary fixing mechanism (6);
the auxiliary fixing mechanism (6) is used for reinforcing the welding of the mounting piece and the electrical cabinet, and the auxiliary fixing mechanism (6) is separable from the manipulator (2), so that the occupation of the internal space of the electrical cabinet during the welding operation is reduced;
an operating table (7), wherein the operating table (7) is used for receiving an electrical switch cabinet (4);
the modularized electromagnet units (8), wherein the modularized electromagnet units (8) are formed by a plurality of electromagnets distributed in an array, and the specific electrifying quantity and electrifying group number are controlled by the controller to form regional magnetic field adsorption.
2. The electrical switch cabinet sheet metal welding device according to claim 1, wherein the manipulator (2) comprises a multi-axis mechanical arm (21), a servo motor is arranged inside one end of the multi-axis mechanical arm (21), an output end of the servo motor is connected with a rotating connecting piece (23), the rotating connecting piece (23) is connected with an electric clamping jaw (24), the electric clamping jaw (24) comprises an electric control wire (241) and a clamping jaw (242), the electric control wire (241) is connected with an external power supply unit, and one side of the clamping jaw (242) is provided with a distance sensor (243).
3. The electrical switch cabinet sheet metal welding equipment according to claim 1, wherein the auxiliary fixing mechanism (6) comprises a winding bin (61), a rotating block (611) is rotatably connected inside the winding bin (61), a rotating rod (615) is fixedly connected to one side of the rotating block (611), one end of a torsion coil spring (614) is fixedly connected to the outer side of the rotating rod (615), a fixing part (613) is fixedly connected to one end of the torsion coil spring (614), the fixing part (613) is fixedly connected to the inner wall of the winding bin (61), a winding disc (617) is fixedly connected to the outer side of the rotating rod (615), limit teeth (625) for limiting unidirectional rotation of the winding disc (617) are arranged on the upper end face of the winding disc (617), one side of the limit teeth (625) is abutted to a limit rod (618), the limit rod (618) is fixedly connected to the inner wall of the winding bin (61), the lower end of the winding disc (617) is rotatably connected with an upper shell (613) through a bearing, and the upper shell (620) is fixedly connected to the lower end of the lower shell (623) through a sliding connection of the upper shell (620).
4. An electrical switchgear panel welding apparatus as claimed in claim 3, wherein: the outside of turning block (611) is provided with joint groove (612) of size and clamping jaw (242) looks adaptation.
5. The electrical switchgear panel welding apparatus of claim 2, wherein: the length of the distance sensor (243) installed at the position, which is away from the bottom end of the clamping jaw (242), is smaller than the length of the clamping groove (612).
6. An electrical switchgear panel welding apparatus as claimed in claim 3, wherein: the winding disc (617) is connected with one end of the connecting rope (62), the section of the winding disc (617) is I-shaped, the surface of the winding disc (617) which is in direct contact with the connecting rope (62) is arc-shaped, and one end of the connecting rope (62) is internally connected with the magnetic metal block (63).
7. The electrical switchgear panel welding apparatus of claim 1, wherein: the electric switch cabinet is characterized in that electric push rods (3) are further arranged on two sides of the electric switch cabinet (4), and the electric push rods (3) are used for clamping the electric switch cabinet (4).
8. The electrical switchgear panel welding apparatus of claim 7, wherein: one end of the electric push rod (3) is connected with a rotating structure, and the rotating structure is used for overturning the clamped electric switch cabinet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311761292.6A CN117484000A (en) | 2023-12-20 | 2023-12-20 | Electrical switch cabinet metal plate welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311761292.6A CN117484000A (en) | 2023-12-20 | 2023-12-20 | Electrical switch cabinet metal plate welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117484000A true CN117484000A (en) | 2024-02-02 |
Family
ID=89681428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311761292.6A Withdrawn CN117484000A (en) | 2023-12-20 | 2023-12-20 | Electrical switch cabinet metal plate welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117484000A (en) |
-
2023
- 2023-12-20 CN CN202311761292.6A patent/CN117484000A/en not_active Withdrawn
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20240202 |
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| WW01 | Invention patent application withdrawn after publication |