CN219986641U - Positioning mechanism, welding device and battery production equipment - Google Patents
Positioning mechanism, welding device and battery production equipment Download PDFInfo
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- CN219986641U CN219986641U CN202320646521.9U CN202320646521U CN219986641U CN 219986641 U CN219986641 U CN 219986641U CN 202320646521 U CN202320646521 U CN 202320646521U CN 219986641 U CN219986641 U CN 219986641U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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- 238000004146 energy storage Methods 0.000 description 1
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Abstract
The utility model provides a positioning mechanism, a welding device and battery production equipment, comprising a mounting seat, a first clamping structure and a second clamping structure; the first clamping structure comprises a first clamping piece, a first clamping driving piece, a positioning piece and a positioning driving piece, wherein the first clamping piece is arranged at one end of the mounting seat and can move relative to the mounting seat, the first clamping piece is provided with a positioning part, the first clamping driving piece is in transmission connection with the first clamping piece, the positioning piece is arranged corresponding to the end position of the movement of the first clamping piece, the positioning driving piece is in transmission connection with the positioning piece, and the positioning piece is used for being inserted into the positioning part; the second clamping structure comprises a second clamping piece and a second clamping driving piece, the second clamping piece is arranged at the other end of the mounting seat, and the second clamping driving piece is in transmission connection with the second clamping piece. It can be seen that the positioning mechanism can ensure the positioning precision of the workpiece.
Description
Technical Field
The utility model belongs to the technical field of power battery processing, and particularly relates to a positioning mechanism, a welding device and battery production equipment.
Background
With the development and popularization of new energy, the demand of the power battery module is increasing. Most of the current power battery modules generally support, fix and protect the battery cell module by arranging end plates and side plates around the battery cell module and then welding the end plates and the side plates to form a surrounding frame.
In order to ensure welding quality in the production process, the cell module needs to be positioned before the end part and the side plate are assembled, but the positioning accuracy of the positioning mechanism for positioning the cell module is not high at present.
Disclosure of Invention
The utility model aims to provide a positioning mechanism, a welding device and battery production equipment so as to solve the technical problems mentioned in the background art.
The technical scheme adopted by the utility model is that the positioning mechanism comprises a mounting seat, a first clamping structure and a second clamping structure, wherein the first clamping structure and the second clamping structure are respectively arranged on the mounting seat and are used for clamping a workpiece in a matched manner; wherein,
the first clamping structure comprises a first clamping piece, a first clamping driving piece, a positioning piece and a positioning driving piece, wherein the first clamping piece is arranged at one end of the mounting seat and can move relative to the mounting seat, the first clamping driving piece is in transmission connection with the first clamping piece, the first clamping piece is provided with one positioning part or one of the positioning pieces, the other positioning part or the other positioning piece is arranged at the end position corresponding to the movement of the first clamping piece, the positioning driving piece is in transmission connection with the positioning piece, and the positioning piece is used for being inserted into the positioning part; and
the second clamping structure comprises a second clamping piece and a second clamping driving piece, the second clamping piece is arranged at the other end of the mounting seat, and the second clamping driving piece is in transmission connection with the second clamping piece.
According to the positioning mechanism, the positioning piece is arranged at the end position of the first clamping piece for clamping the workpiece, and the positioning part matched with the positioning piece is arranged on the first clamping piece, so that when the first clamping piece moves to the end position, the positioning piece can be inserted into the positioning part to realize positioning and fixing of the first clamping piece, the first clamping piece becomes a positioning reference for positioning the workpiece, and when the second clamping piece clamps the workpiece on the first clamping piece, the positioning precision of the workpiece can be ensured.
Further, the mount has a lower surface proximate the workpiece and an upper surface opposite the lower surface;
the first clamping driving piece and the second clamping driving piece are arranged on the upper surface; and/or
The positioning driving piece is arranged on the upper surface.
Further, the first clamping structure further comprises a first transmission member, the first transmission member is movably arranged on the base, the first transmission member is respectively connected with the first clamping driving member and the first clamping member, and the first transmission member is provided with the positioning part.
Further, the first clamping structure further comprises a first fixing seat, the first fixing seat is arranged on the mounting seat, and the first clamping driving piece is arranged on the first fixing seat; and
the first fixing seat is provided with a first avoiding hole for avoiding the first transmission part.
Further, the positioning driving piece is arranged on the first fixing seat, and the first fixing seat is provided with a second avoiding hole for avoiding the positioning piece.
Further, the first clamping structure further comprises a first guide member, the first guide member is arranged on one side, opposite to the first clamping drive, of the mounting seat, the first guide member is connected with the mounting seat through a first sliding rail, and the first guide member is connected with the first clamping member.
Further, the second clamping structure further comprises a screw rod nut arranged on the screw rod, the second clamping driving piece is in transmission connection with the screw rod, and the screw rod nut is connected with the second clamping piece.
Further, the second clamping structure further comprises a second transmission piece, wherein the second transmission piece is connected with the screw nut, and the second transmission piece is connected with the mounting seat through a second sliding rail.
Further, the screw nut is connected with the second clamping piece through the second transmission piece, and a pressure sensor is arranged between the second transmission piece and the second clamping piece in the moving direction of the second clamping piece; and
the second clamping structure further comprises a second guide piece, wherein the second guide piece is connected with the second clamping piece, and the second guide piece is connected with the mounting seat through a third guide rail.
Further, the base includes first mounting panel, second mounting panel and connecting plate, the connecting plate is connected with first mounting panel and second mounting panel respectively, first clamp structure set up in on the first mounting panel, second clamp structure set up in on the second mounting panel.
A welding apparatus comprising a positioning mechanism as claimed in any one of the preceding claims.
A battery production apparatus, such as the welding apparatus described above.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a positioning mechanism according to an embodiment of the present utility model;
FIG. 2 is a schematic structural view of a first clamping structure in the positioning mechanism according to the embodiment of FIG. 1;
fig. 3 is a schematic structural diagram of a second clamping structure in the positioning mechanism provided in the embodiment of fig. 1.
Reference numerals:
100. a mounting base; 110. a first mounting plate; 120. a second mounting plate; 130. a connecting plate;
200. a first clamping structure; 210. a first clamping member; 220. a first clamping drive; 230. a positioning piece; 240. positioning a driving piece; 260. a first transmission member; 270. a first fixing seat; 280a, a first avoidance hole; 280b, a second avoidance hole; 290a, a first guide; 290b, a first slide rail;
300. a second clamping structure; 310. a second clamping member; 320. a second clamping drive; 330. a screw rod; 340. a screw nut; 350. a second transmission member; 360. a pressure sensor; 370. a second guide; 380. and a third guide rail.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that when a meta-structure is referred to as being "fixed" or "disposed" on another meta-structure, it may be directly on the other meta-structure or indirectly on the other meta-structure. When a meta-structure is referred to as being "connected to" another meta-structure, it can be directly connected to the other meta-structure or indirectly connected to the other meta-structure.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the apparatus or element structure referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of some applications, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
With the development of new energy, the power battery is used as a clean and efficient energy storage tool and is more and more popular with people. In the power battery production, an end plate and a side plate are generally arranged around the battery cell module, and then the end plate and the side plate are welded to form a surrounding frame to support, fix and protect the battery cell. Before the end plate and the side plate are assembled around the battery cell module, the battery cell module needs to be positioned first so as to ensure the follow-up assembly precision.
When the cell module is positioned, particularly when the cell module is positioned in the length direction, the cell module is generally positioned in a centering clamping mode, namely clamping structures are respectively arranged at two ends of the cell module to clamp and position the cell module.
Then, the positioning mode of the centering clamp at present does not have a positioning reference, so that positioning deviation is easy to cause, and the assembly precision of the side plate and the end plate is further affected.
In order to solve the problem of positioning deviation in centering clamping, referring to fig. 1, the present utility model provides a positioning mechanism, which includes a mounting base 100, a first clamping structure 200 and a second clamping structure 300, wherein the first clamping structure 200 and the second clamping structure 300 are respectively disposed on the mounting base 100 for cooperatively clamping a workpiece. Wherein the workpiece may be a cell module.
Specifically, the first clamping structure 200 and the second clamping structure 300 can clamp the workpiece when moving on the mounting base 100 along opposite directions, so as to position the workpiece.
In some embodiments, the workpiece may be lifted up to a positioning space between the first clamping structure 200 and the second clamping structure 300 by the carrier, and the first clamping structure 200 and the second clamping structure 300 position the workpiece located in the positioning space.
In other embodiments, a workpiece may also be placed on the mount 100 between the first clamping structure 200 and the second clamping structure 300, with the first clamping structure 200 and the second clamping structure 300 clamping the workpiece in place on the mount 100.
Referring to fig. 2, the first clamping structure 200 may include a first clamping member 210, a first clamping driver 220, a positioning member 230, and a positioning driver 240.
The first clamping member 210 is disposed at one end of the mounting base 100 and is movable relative to the mounting base 100 for clamping a workpiece. The first clamping drive member 220 is in driving connection with the first clamping member 210 such that the first clamping member 210 is movable relative to the mounting block 100.
Further, the first clamping member 210 is provided with one of a positioning portion (not shown) or a positioning member 230, the other one of the positioning portion or the positioning member 230 is provided at a final position corresponding to the movement of the first clamping member 210, the positioning driving member 240 is in transmission connection with the positioning member 230, and the positioning member 230 is used for inserting into the positioning portion to fix the first clamping member 210.
Specifically, in some embodiments, a positioning portion (not shown) may be disposed on the first clamping member 210, a positioning member 230 is disposed at a final position of the movement of the first clamping member 210, and a positioning driving member 240 is in driving connection with the positioning member 230, where when the first clamping member 210 moves to the final position under the action of the first clamping driving member 220, the positioning driving member 240 may drive the positioning member 230 to insert into the positioning portion, so as to fix the first clamping member 210.
The end position of the movement of the first clamping member 210 is generally a position when the first clamping member 210 clamps a workpiece.
In some embodiments, the locating portion may be a locating hole provided on the first clamping member 210. In other embodiments, the positioning portion may be a positioning groove provided on the first clamping member 210.
Referring to fig. 3, the second clamping structure 300 includes a second clamping member 310 and a second clamping driving member 320, the second clamping member 310 is disposed at the other end of the mounting base 100, the second clamping driving member 320 is in transmission connection with the second clamping member 310, and the second clamping driving member 320 is used for driving the second clamping member 310 to move in a direction approaching or separating from the first clamping member 210.
In positioning, the first clamping member 210 is moved to the end position for clamping the workpiece, then the positioning driving member 240 drives the rod positioning member 230 to insert into the positioning portion of the first clamping member 210, so as to fix the first clamping member 210, and finally the second clamping driving member 320 drives the second clamping member 310 to move in a direction approaching to the first clamping member 210, so as to clamp the workpiece on the first clamping member 210.
It can be seen that, in the positioning mechanism of the present utility model, the positioning member 230 is disposed at the end position of the first clamping member 210 for clamping the workpiece, and the positioning portion matched with the positioning member 230 is disposed on the first clamping member 210, so that when the first clamping member 210 moves to the end position, the positioning member 230 can be inserted into the positioning portion to fix the first clamping member 210, so that the first clamping member 210 becomes the positioning reference for positioning the workpiece, and the second clamping member 310 can ensure the positioning accuracy of the workpiece when clamping the workpiece on the first clamping member 210.
Referring to fig. 1 and 2, the mounting base 100 may have a lower surface adjacent to the workpiece and an upper surface opposite to the lower surface, and the first clamping driver 220 and the second clamping driver 320 are disposed on the upper surface.
It will be appreciated that in some embodiments, the workpiece may be lifted by the carrier to a location space between the first clamping member 210 and the second clamping member 310 to facilitate clamping and positioning of the workpiece by the first clamping member 210 and the second clamping member 310, so that the first clamping driving member 220 and the second clamping driving member 320 are disposed on the upper surface in this embodiment to prevent the workpiece from interfering with the first clamping member 210 and the second clamping member 310.
Of course, in some embodiments, in order to prevent the positioning driving member 240 from interfering with the workpiece, and in order to make the structure of the positioning mechanism more compact, the positioning driving member 240 may also be disposed on the upper surface of the base.
Referring to fig. 2, in order to facilitate the driving connection between the first clamping driving member 220 and the first clamping member 210, the first clamping structure 200 may further include a first driving member 260, where the first driving member 260 is movably disposed on the base, for example, the first driving member 260 may be disposed on an upper surface of the base, and the first driving member 260 is respectively connected to the first clamping driving member 220 and the first clamping member 210, and the first clamping driving member 220 drives the first clamping member 210 to move through the first driving member 260.
Further, to facilitate the installation of the positioning member 230 and the positioning driving member 240, the positioning portion may be disposed on the first transmission member 260. Since the first transmission member 260 is disposed on the base, the positioning portion is disposed on the first transmission member 260, so that the positioning member 230 and the positioning driving member 240 connected to the positioning member 230 can also be disposed on the base.
Referring to fig. 2, the first clamping structure 200 may further include a first fixing base 270, where the first fixing base 270 is disposed on the mounting base 100, for example, the first fixing base 270 is disposed on an upper surface of the mounting base 100, the first clamping driving member 220 is disposed on the first fixing base 270, and the first fixing base 270 is provided with a first avoidance hole 280a for avoiding the first transmission member 260.
It will be appreciated that, in order to make the structure of the positioning mechanism more compact, the space occupied by the positioning mechanism is reduced, so that the assembly space on the base is limited, and therefore, the first fixing seat 270 is provided on the base, and the first avoiding hole 280a for avoiding the first transmission member 260 is provided on the first fixing seat 270, at this time, the first clamping driving member 220 may be disposed above the first transmission member 260, so that the area occupied by the base is reduced, and the first clamping driving member 220 and the first transmission member 260 can both have enough assembly space for setting.
Further, in some embodiments, in order to make the positioning driving member 240 have enough assembly space, and at the same time facilitate the positioning member 230 to be inserted into the positioning portion to fix the first clamping member 210, the positioning driving member 240 may also be disposed on the first fixing seat 270, for example, the positioning driving member 240 is disposed on the first fixing seat 270 and may be located above the first transmission member 260, and the first fixing seat 270 is provided with a second avoidance hole 280b for avoiding the positioning member 230, when the first clamping member 210 moves to the end position, the positioning member 230 may be inserted into the positioning portion through the second avoidance hole 280b, which can reduce the area occupied by the base.
Further, the first clamping structure 200 may further include a first guide member 290a, the first guide member 290a is disposed on a side of the mounting base 100 opposite to the first clamping drive, the first guide member 290a is connected to the mounting base 100 through a first sliding rail 290b, and the first guide member 290a is connected to the first clamping member 210.
The first guide member 290a is connected to the base through the first slide rail 290b to guide the movement of the first clamping member 210, so as to ensure the positioning accuracy of the first clamping member 210, and meanwhile, in some embodiments, in order to ensure that the first clamping member 210 can clamp the workpiece and prevent the workpiece from interfering with the base, the length of the first clamping member 210 is generally longer, and at this time, the first guide member 290a can also play a role in supporting and fixing the first clamping member 210, so as to prevent the first clamping member 210 from being deformed during positioning. In addition, the first guide 290a is provided at the opposite side of the mounting base 100 to the first clamping drive, i.e., the lower surface of the base, which makes it possible to make full use of the assembly space of the base and make the entire first clamping structure 200 more compact.
Referring to fig. 3, the second clamping structure 300 further includes a screw nut 340 disposed on the screw 330, the second clamping driving member 320 is in transmission connection with the screw 330, and the screw nut 340 is connected with the second clamping member 310. Wherein the second clamping driver 320 may employ a motor.
It can be appreciated that the driving manner of the screw 330 can improve the accuracy of driving the second clamping member 310 to move, thereby improving the positioning accuracy. In addition, in some embodiments, the first clamping structure 200 further includes a positioning element 230 disposed at the end position of the first clamping element 210, so that the moving distance of the first clamping element 210 is generally constant, and the first clamping driving element 220 for driving the first clamping element 210 to move may use an air cylinder, which can generally only drive the first clamping element 210 to move from the initial position to the end position, and cannot perform position adjustment, so in the above embodiments, the second clamping driving element 320 of the second clamping structure 300 uses the driving method of the lead screw 330, so that the moving distance of the second clamping element 310 can be adjusted, and further the positioning mechanism can adapt to workpieces with more models and sizes, and compatibility of the positioning mechanism is improved.
Further, the second clamping structure 300 may further include a second transmission member 350, where the second transmission member 350 is connected to the screw nut 340, and the second transmission member 350 is connected to the mounting base 100 through a second sliding rail, so that the movement of the screw nut 340 on the screw 330 is more stable, and the screw nut 340 can also support the screw nut 340 due to the connection of the screw nut 340 to the second clamping member 310.
Specifically, in some embodiments, when the second clamping driving member 320 is disposed on the upper surface of the base, the second transmission member 350 may be disposed on the upper surface of the base through the second sliding rail.
In addition, the lead screw nut 340 and the second transmission member 350 may be connected by welding or bolts. Of course, the screw nut 340 and the second transmission member 350 may be integrally formed.
Referring to fig. 3, in some embodiments, the lead screw nut 340 is connected to the second clamping member 310 through the second transmission member 350, and a pressure sensor 360 may be further provided between the second transmission member 350 and the second clamping member 310 in a moving direction of the second clamping member 310, the pressure sensor 360 being used to detect a clamping force of the second clamping member 310 on the workpiece.
Further, the second clamping structure 300 further includes a second guiding member 370, the second guiding member 370 is connected to the second clamping member 310, and the second guiding member 370 is connected to the mounting base 100 through a third guiding rail 380, and the second guiding member 370 and the third guiding rail 380 support and guide the second clamping member 310.
It will be appreciated that in the above embodiment, since the pressure sensor 360 is provided between the second transmission member 350 and the second clamping member 310, the second guide member 370 and the third guide rail 380 are provided to support the second clamping member 310, so that the pressure sensor 360 can be prevented from being damaged by the downward pulling force of the second clamping member 310.
Specifically, the second guide 370 and the third guide 380 may be disposed at an end of the base remote from the second clamping driver 320, i.e., a lower surface of the base, in such a manner that the assembly space of the base can be fully utilized, and the entire second clamping structure 300 can be more compact.
Referring to fig. 1, the base may further include a first mounting plate 110, a second mounting plate 120, and a connecting plate 130, where the connecting plate 130 is connected to the first mounting plate 110 and the second mounting plate 120, respectively, the first clamping structure 200 is disposed on the first mounting plate 110, and the second clamping structure 300 is disposed on the second mounting plate 120, which can facilitate assembly of the second clamping structure 300 and the second clamping structure 300, and improve assembly efficiency.
In assembly, the first clamping structure 200 is assembled on the first mounting plate 110, the second clamping structure 300 is assembled on the second mounting plate 120, and then the assembled first clamping structure 200 and second clamping structure 300 are connected through the first mounting plate 110, the second mounting plate 120 and the connecting plate 130, so as to realize the assembly of the positioning mechanism.
In addition, the utility model also provides a welding device which comprises the positioning mechanism in the embodiment. The welding device welds the workpiece positioned by the positioning mechanism.
The utility model also provides battery production equipment comprising the welding device in the embodiment.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (12)
1. The positioning mechanism is characterized by comprising a mounting seat, a first clamping structure and a second clamping structure, wherein the first clamping structure and the second clamping structure are respectively arranged on the mounting seat and are used for clamping a workpiece in a matched mode; wherein,
the first clamping structure comprises a first clamping piece, a first clamping driving piece, a positioning piece and a positioning driving piece, wherein the first clamping piece is arranged at one end of the mounting seat and can move relative to the mounting seat, the first clamping driving piece is in transmission connection with the first clamping piece, the first clamping piece is provided with one positioning part or one of the positioning pieces, the other positioning part or the other positioning piece is arranged at the end position corresponding to the movement of the first clamping piece, the positioning driving piece is in transmission connection with the positioning piece, and the positioning piece is used for being inserted into the positioning part; and
the second clamping structure comprises a second clamping piece and a second clamping driving piece, the second clamping piece is arranged at the other end of the mounting seat, and the second clamping driving piece is in transmission connection with the second clamping piece.
2. The positioning mechanism of claim 1 wherein said mount has a lower surface adjacent said workpiece and an upper surface opposite said lower surface;
the first clamping driving piece and the second clamping driving piece are arranged on the upper surface; and/or
The positioning driving piece is arranged on the upper surface.
3. The positioning mechanism according to claim 1 or 2, wherein the first clamping structure further comprises a first transmission member movably disposed on the mounting base, the first transmission member being connected to the first clamping driving member and the first clamping member, respectively, and the first transmission member being provided with the positioning portion.
4. The positioning mechanism of claim 3, wherein the first clamping structure further comprises a first mount disposed on the mount, the first clamping drive being disposed on the first mount; and
the first fixing seat is provided with a first avoiding hole for avoiding the first transmission part.
5. The positioning mechanism of claim 4, wherein the positioning drive member is disposed on the first mount, and the first mount is provided with a second avoidance hole that avoids the positioning member.
6. The positioning mechanism of claim 3, wherein the first clamping structure further comprises a first guide member disposed in the mounting block on a side opposite the first clamping drive, the first guide member being coupled to the mounting block via a first slide rail, and the first guide member being coupled to the first clamping member.
7. The positioning mechanism of claim 1 or 2, wherein the second clamping structure further comprises a lead screw nut disposed on the lead screw, the second clamping drive member being in driving connection with the lead screw, the lead screw nut being in connection with the second clamping member.
8. The positioning mechanism of claim 7, wherein the second clamping structure further comprises a second transmission member, the second transmission member being coupled to the lead screw nut and the second transmission member being coupled to the mounting bracket via a second slide rail.
9. The positioning mechanism as set forth in claim 8, wherein said lead screw nut is connected to said second clamping member through said second transmission member, and a pressure sensor is provided between said second transmission member and said second clamping member in a moving direction of said second clamping member; and
the second clamping structure further comprises a second guide piece, wherein the second guide piece is connected with the second clamping piece, and the second guide piece is connected with the mounting seat through a third guide rail.
10. The positioning mechanism of claim 1, wherein the mounting base comprises a first mounting plate, a second mounting plate, and a connecting plate connected to the first mounting plate and the second mounting plate, respectively, the first clamping structure being disposed on the first mounting plate, and the second clamping structure being disposed on the second mounting plate.
11. A welding apparatus comprising a positioning mechanism as claimed in any one of claims 1 to 10.
12. A battery production apparatus comprising the welding device according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320646521.9U CN219986641U (en) | 2023-03-21 | 2023-03-21 | Positioning mechanism, welding device and battery production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320646521.9U CN219986641U (en) | 2023-03-21 | 2023-03-21 | Positioning mechanism, welding device and battery production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219986641U true CN219986641U (en) | 2023-11-10 |
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ID=88612653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320646521.9U Active CN219986641U (en) | 2023-03-21 | 2023-03-21 | Positioning mechanism, welding device and battery production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219986641U (en) |
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2023
- 2023-03-21 CN CN202320646521.9U patent/CN219986641U/en active Active
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