CN219053226U - Cover plate welding equipment - Google Patents
Cover plate welding equipment Download PDFInfo
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- CN219053226U CN219053226U CN202223054549.8U CN202223054549U CN219053226U CN 219053226 U CN219053226 U CN 219053226U CN 202223054549 U CN202223054549 U CN 202223054549U CN 219053226 U CN219053226 U CN 219053226U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides cover plate welding equipment, which comprises a main conveying mechanism, a welding conveying mechanism, a pressing device and a welding device, wherein: the welding conveying mechanism is arranged at the side of the main conveying mechanism and is perpendicular to the conveying direction of the main conveying mechanism. The main conveying mechanism is used for conveying the battery module to a reversing station close to the welding conveying mechanism. The welding conveying mechanism is used for conveying the battery module conveyed to the reversing station to the welding station. The compressing device is arranged above the welding station and used for compressing each cover plate on the battery module to each corresponding pole. The welding device is used for welding each cover plate to each corresponding pole. The welding conveying mechanism is also used for conveying the welded battery modules back to the reversing station, and the main conveying mechanism is also used for continuously conveying the welded battery modules to the back. According to the utility model, the cover plate is automatically welded to the pole of the battery module, so that the welding efficiency of the cover plate is improved.
Description
Technical Field
The utility model relates to the field of battery production, in particular to cover plate welding equipment.
Background
In the production process of the lithium ion battery, after the stacking and forming of the battery module are completed, the cover plate needs to be welded to the pole post of the battery module to form the total electrode of the battery module.
The existing cover plate welding mode is that a battery module is fixed by adopting fixing equipment, then the cover plates are pressed onto corresponding electrodes one by manual or robot, and after one cover plate is pressed, the welding device performs welding on one cover plate. The existing cover plate welding mode is low in welding efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides cover plate welding equipment, which has the following detailed technical scheme:
the utility model provides a apron welding equipment, includes main conveying mechanism, welds conveying mechanism, closing device and welding set, wherein:
the welding conveying mechanism is arranged at the side of the main conveying mechanism, and the conveying direction of the welding conveying mechanism is perpendicular to the conveying direction of the main conveying mechanism;
the main conveying mechanism is used for conveying the battery module to a reversing station close to the welding conveying mechanism, a plurality of polar posts are arranged on the battery module, and each polar post is correspondingly preloaded with a cover plate;
the welding conveying mechanism is used for conveying the battery module conveyed to the reversing station to the welding station;
the compressing device is arranged above the welding station and used for compressing each cover plate on the battery module to each corresponding pole;
the welding device is used for welding each cover plate pressed by the pressing device to each corresponding pole;
the welding conveying mechanism is also used for conveying the battery module with the welded cover plate back to the reversing station, and the main conveying mechanism is also used for continuously conveying the battery module with the welded cover plate to the back.
Through the cooperation of the main conveying mechanism, the welding conveying mechanism, the pressing device and the welding device, the cover plate is automatically welded to the pole of the battery module, so that the welding efficiency of the cover plate is improved, and the welding quality is improved.
In some embodiments, the cover plate welding device further comprises a reversing mechanism arranged at the reversing station, wherein the reversing mechanism is used for reversing the battery module to the welding conveying mechanism and conveying the battery module with the cover plate welded back to the reversing station in cooperation with the welding conveying mechanism; the reversing mechanism comprises a jacking driving part, a lifting plate and a reversing conveying part, wherein: the lifting plate is connected to the driving end of the jacking driving part, the reversing conveying part is arranged on the lifting plate, and the conveying direction of the reversing conveying part is perpendicular to the conveying direction of the main conveying mechanism; when the lifting plate is driven by the lifting driving part to descend to a low position, the reversing conveying part is positioned below the conveying bearing surface of the main conveying mechanism; when the lifting plate is driven by the lifting driving part to rise to a high position, the reversing conveying part upwards extends out of the conveying bearing surface of the main conveying mechanism and is in butt joint with the welding conveying mechanism.
The position of the battery module is switched between the main conveying mechanism and the welding conveying mechanism by arranging the reversing mechanism at the reversing station.
In some embodiments, a transition roller is disposed on an edge of the main conveyor, the transition roller is located between the reversing mechanism and the welding conveyor, and an axis of the transition roller is the same as a conveying direction of the main conveyor.
Through setting up the transition cylinder for battery module can be smoothly from switching-over mechanism transition to welding conveying mechanism, and from welding conveying mechanism transition to switching-over mechanism, prevent that battery module from producing the card in the clearance department between switching-over mechanism and the welding conveying mechanism.
In some embodiments, the welding conveying mechanisms are arranged in two groups, the two groups of welding conveying mechanisms are positioned on two sides of the reversing mechanism, and a pressing device is correspondingly arranged above the conveying path of each group of welding conveying mechanisms.
Through setting up two sets of welding conveying mechanism for the battery module that is carried to switching-over station department can be in time carried out the switching-over station and compressed tightly by closing device, thereby guarantees the work beat, promotes welding efficiency.
In some embodiments, the welding device comprises a robot and a laser welding head connected to the tail end of the robot, wherein the robot is used for driving the laser welding head to move so as to drive the laser welding head to weld each cover plate pressed by the pressing device to each corresponding pole.
The robot can control the laser welding head to freely move in the horizontal direction and the vertical direction, so that the laser welding head is driven to accurately weld each cover plate pressed by the pressing device to each corresponding pole.
In some embodiments, the compaction device comprises a mounting bracket, a compaction drive mechanism, a platen, and a plurality of welding rams, wherein: the compaction driving mechanism is arranged on the mounting bracket; the pressing plate is connected to the driving end of the pressing driving mechanism, and the pressing driving mechanism is at least used for driving the pressing plate to lift; and a plurality of welding pressure heads are arranged on the pressure plate, and each welding pressure head correspondingly presses one cover plate onto the corresponding pole when the pressing driving mechanism drives the pressure plate to descend.
Through setting up closing device for closing device can once only compress tightly a plurality of apron, and guarantees the effect of compressing tightly to every apron.
In some embodiments, the compaction drive mechanism comprises a translational drive mechanism and a lifting drive mechanism, wherein: the translation driving mechanism is arranged on the mounting bracket, and the lifting driving mechanism is connected to the driving end of the translation driving mechanism; the translation driving mechanism is used for driving the pressing plates to translate so as to drive each welding press head to move to the upper part of the corresponding cover plate; the lifting driving mechanism is used for driving the pressing plate to lift so as to drive each welding pressure head to press or release the corresponding cover plate.
Through the cooperation drive of translation actuating mechanism and lift actuating mechanism, realized the position adjustment of welding pressure head in horizontal direction and vertical direction.
In some embodiments, a solder through hole is formed in the ram that extends through the ram from top to bottom.
Through set up the welding through-hole in the pressure head for the welding laser that laser welding head sent can shine to the apron that is compressed tightly by the pressure head through the welding through-hole, thereby welds the apron to corresponding utmost point post on accurately.
In some embodiments, the inner wall of the soldering through hole is provided with a gas vent and a gas vent, wherein: the air blowing hole is connected with the air blowing device through an air blowing pipeline and is used for blowing air into the welding through hole; the air suction hole is connected with the air suction device through an air suction pipeline and is used for sucking out impurities in the welding through hole.
Through the gas blowing holes, shielding gas can be blown to the welding position. By arranging the air suction hole, impurities in the welding through hole can be timely extracted.
In some embodiments, the compaction device further comprises a positioning mechanism disposed on the mounting bracket, the positioning mechanism comprising a positioning drive mechanism and a positioning assembly, wherein: the positioning driving mechanism is arranged on the mounting bracket; the positioning assembly is connected to the driving end of the positioning driving mechanism, the positioning driving mechanism is used for driving the positioning assembly to move, and the positioning assembly is used for positioning the cover plate to be welded.
Through setting up positioning mechanism, realized the location to each apron on the battery module to guarantee that welding set can implement the accurate welding to the apron.
Drawings
Fig. 1 is a schematic structural view of a cover plate welding apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a conveying mechanism and a reversing mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a conveying mechanism and a reversing mechanism according to an embodiment of the present utility model;
FIG. 4 is a schematic structural view of a welding device according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a compressing apparatus according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a compressing apparatus according to an embodiment of the present utility model with parts omitted;
FIG. 7 is a schematic view of the mounting structure of a platen and a welding ram in an embodiment of the present utility model;
FIG. 8 is a schematic diagram of a welding head with an air blowing pipe and an air extracting pipe according to an embodiment of the present utility model;
FIG. 9 is a schematic view of a welding ram in an embodiment of the utility model;
fig. 1 to 9 include:
a main conveying mechanism 1;
a welding conveying mechanism 2;
and the compressing device 3:
the device comprises a mounting bracket 31, a compression driving mechanism 32, a pressing plate 33, a welding pressure head 34, a blowing pipeline 35, an air exhaust pipeline 36, a positioning mechanism 37, a welding through hole 38, a translation driving mechanism 321, a lifting driving mechanism 322, a positioning driving mechanism 371 and a positioning component 372;
welding device 4:
A reversing mechanism 5;
a transition roller 6;
and a battery module 100.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The existing cover plate welding mode is that a battery module is fixed by adopting fixing equipment, then the cover plates are pressed onto corresponding electrodes one by manual or robot, and after one cover plate is pressed, the welding device performs welding on one cover plate. The existing cover plate welding mode is low in welding efficiency.
The utility model provides cover plate welding equipment for solving the technical problem of low efficiency of the existing cover plate welding mode. As shown in fig. 1, the cover plate welding apparatus in the embodiment of the present utility model includes a main conveying mechanism 1, a welding conveying mechanism 2, a pressing device 3, and a welding device 4, wherein:
the welding conveyor 2 is arranged at the side of the main conveyor 1, and the conveying direction of the welding conveyor 2 is perpendicular to the conveying direction of the main conveyor 1.
The main conveying mechanism 1 is used for conveying a jig (hereinafter, simply referred to as a battery module 100 for brevity of description) clamping the battery module 100 to a reversing station near the welding conveying mechanism 2, a plurality of poles are arranged on the battery module 100, and a cover plate is correspondingly preloaded on each pole.
The welding conveyor 2 is used for receiving the battery modules 100 at the reversing station and conveying the received battery modules 100 to the welding station.
The compressing device 3 is disposed above the welding station, and the compressing device 3 is used for compressing each cover plate on the battery module 100 onto each corresponding pole.
The welding device 4 is used for welding each cover plate pressed by the pressing device 3 to each corresponding pole.
In addition, the welding and conveying mechanism 3 is also used for conveying the battery module 100 with the welded cover plate back to the reversing station, and the main conveying mechanism 1 continuously conveys the battery module 100 with the welded cover plate to the back.
It can be seen that the cover plate welding equipment of the utility model realizes automatic compression and automatic welding of the cover plate through the cooperation of the main conveying mechanism 1, the welding conveying mechanism 2, the compressing device 3 and the welding device 4. In particular, since the pressing device 3 can simultaneously press each of the cover plates on the pressed battery module 100 onto the corresponding one of the poles, the welding device can continuously or synchronously finish the welding of each of the pressed cover plates, thereby improving the welding efficiency of the cover plates.
Optionally, as shown in fig. 2 and 3, the cover plate welding apparatus in the embodiment of the present utility model further includes a reversing mechanism 5 disposed at the reversing station, where the reversing mechanism 5 is used to reverse the battery module 100 onto the welding conveying mechanism 2, and the battery module 100 that completes the welding of the cover plate is conveyed back to the reversing station in cooperation with the welding conveying mechanism 2.
The reversing mechanism 5 comprises a jacking driving part, a lifting plate and a reversing conveying part, wherein: the lifting plate is connected to the driving end of the lifting driving part, the reversing conveying part is arranged on the lifting plate, and the conveying direction of the reversing conveying part is perpendicular to the conveying direction of the main conveying mechanism. When the lifting plate is driven to descend to the low position by the lifting driving part, the reversing conveying part is positioned below the conveying bearing surface of the main conveying mechanism 1. When the lifting plate is driven by the lifting driving part to rise to a high position, the reversing conveying part upwards extends out of the conveying bearing surface of the main conveying mechanism 1 and is in butt joint with the welding conveying mechanism 2.
The reversing process of the reversing mechanism 5 is as follows:
in the initial state, the lifting plate is positioned at the low position, and the reversing conveying part is positioned below the conveying bearing surface of the main conveying mechanism 1;
after the main conveying mechanism 1 conveys the battery module 100 to be welded to the reversing station, the lifting driving part drives the lifting plate to lift to a high position, and the reversing conveying part lifts the battery module 100 out of the main conveying mechanism 1 and is in butt joint with the welding conveying mechanism 2.
Next, the reversing and conveying section conveys the battery module 100 toward the welding and conveying mechanism 2 so that the battery module 100 enters onto the welding and conveying mechanism 2. The welding and conveying mechanism 2 conveys the battery module 100 to the pressing device 3.
After the battery module 100 is welded, the welding conveyor 2 conveys the battery module 100 back to the reversing station. In particular, when the battery module 100 contacts the reversing and conveying portion, the reversing and conveying portion and the welding and conveying mechanism 2 are conveyed synchronously until the battery module 100 completely enters the reversing and conveying portion.
Then, the lifting driving part drives the lifting plate to descend to the low position, and the battery module 100 falls onto the main conveying mechanism 1. The battery module 100 is continuously conveyed backward by the main conveying mechanism 1.
Alternatively, as shown in fig. 2. The side of the main conveying mechanism 1 is provided with a transition roller 6, the transition roller 6 is positioned between the reversing mechanism 5 and the welding conveying mechanism 2, and the axis of the transition roller 6 is parallel to the conveying direction of the main conveying mechanism 1. By providing the transition roller 6, the battery module 100 can smoothly transition from the reversing mechanism 5 to the welding conveying mechanism 3 and from the welding conveying mechanism 3 to the reversing mechanism 5 after the cover plate welding is completed, and the battery module 100 is prevented from being blocked at the gap between the reversing mechanism 5 and the welding conveying mechanism 2.
With continued reference to fig. 1, alternatively, two welding conveying mechanisms 2 are provided, the two welding conveying mechanisms 2 are located at two sides of the reversing mechanism 5, and a pressing device 3 is correspondingly arranged above the conveying path of each welding conveying mechanism 2. By arranging two groups of welding conveying mechanisms 2, the battery module 100 conveyed to the reversing station can be conveyed out of the reversing station in time and is pressed by one pressing device 3, so that the working beat of the welding machine can be ensured, and the welding efficiency is further improved.
Alternatively, as shown in fig. 4, the welding device 4 includes a robot 41 and a laser welding head 42 connected to the end of the robot 41, where the robot 41 is used to drive the laser welding head 42 to move, so as to drive the laser welding head 42 to weld each cover plate pressed by the pressing device 3 to each corresponding pole.
In particular, as mentioned in the previous embodiments, when the welding conveyor 2, the compacting device 3 are provided in two groups, respectively. The robot 41 can drive the laser welding head 42 to switch freely between the two sets of compacting devices 3. Thereby, the alternate welding of the battery modules 100 at two different stations can be completed by only providing one welding device 4.
Of course, other known configurations of the welding device 4 may be employed. For example, a laser welding head driven by a linear driving module is installed above each of the two pressing devices 3, and the laser welding head is lifted and translated by the driving of the respective linear driving module to perform welding of the battery module 100 pressed by the corresponding pressing device 3.
As shown in fig. 5 and 6, the pressing device 3 optionally includes a mounting bracket 31, a pressing driving mechanism 32, a pressing plate 33, and a plurality of welding rams 34, wherein: the pressing drive mechanism 32 is mounted on the mounting bracket 31. The pressing plate 33 is connected to a driving end of the pressing driving mechanism 32, and the pressing driving mechanism 32 is at least used for driving the pressing plate 33 to lift. A plurality of welding rams 34 are mounted on the press plate, and each welding ram 32 correspondingly presses a cover plate onto a corresponding pole when the press plate 33 is driven to descend by the press driving mechanism 32.
Alternatively, as shown in fig. 6, the pressing drive mechanism 32 includes a translation drive mechanism 321 and a lift drive mechanism 322, wherein: the translation driving mechanism 321 is mounted on the mounting bracket 31, and the lifting driving mechanism 322 is connected to the driving end of the translation driving mechanism 321. The translation driving mechanism 321 is used for driving the pressing plate 33 to translate so as to drive each welding press head 34 to move above the corresponding cover plate. The lifting driving mechanism 322 is used for driving the pressing plate 33 to lift so as to drive each welding press head 34 to press or separate from the corresponding cover plate.
Alternatively, as shown in fig. 8 and 9, the ram 34 is a hollow structure having a solder through hole 38 formed therein that penetrates the ram 34 from top to bottom. By providing the welding through holes 38 in the ram 34, the welding laser emitted from the laser welding head can be irradiated onto the cap plate pressed by the ram 34 through the welding through holes 38, thereby causing the cap plate to be welded to the corresponding pole.
Optionally, a gas vent and a gas vent are provided on the inner wall of the solder through hole 38. As shown in fig. 7 and 8, a gas blowing hole is connected to the gas blowing device via a gas blowing pipe 35, and the gas blowing hole is used for blowing a welding shielding gas such as argon gas, nitrogen gas, etc. into the welding through hole. The air extraction hole is connected with the air extraction device through the air extraction pipeline 36 and is used for extracting impurities in the welding through hole so as to prevent the impurities from splashing and polluting the machine or damaging components such as a laser welding head and the like.
Optionally, as shown in fig. 5 and 6, the pressing device 3 further includes a positioning mechanism 37 disposed on the mounting bracket 31, where the positioning mechanism 37 includes a positioning driving mechanism 371 and a positioning component 372, and the positioning mechanism includes: the positioning driving mechanism 371 is mounted on the mounting bracket 31, the positioning component 372 is connected to a driving end of the positioning driving mechanism 371, the positioning driving mechanism 371 is used for driving the positioning component 372 to move within a predetermined range of a horizontal plane, and the positioning component 372 is used for positioning a cover plate to be welded, in particular to acquiring space coordinates of the cover plate. The welding device 4 performs welding of the cover plate to be welded based on the positional information of the cover plate to be welded acquired by the positioning assembly 372. The positioning assembly 372 may employ a variety of known positioning devices, such as a positioning camera or a laser ranging device. Of course, in order to further enhance the positioning accuracy, it is preferable that the positioning of the cover plate can be performed using both the camera and the laser ranging device.
The utility model has been described above in sufficient detail with a certain degree of particularity. It will be appreciated by those of ordinary skill in the art that the descriptions of the embodiments are merely exemplary and that all changes that come within the true spirit and scope of the utility model are desired to be protected. The scope of the utility model is indicated by the appended claims rather than by the foregoing description of the embodiments.
Claims (10)
1. The utility model provides a apron welding equipment, its characterized in that, apron welding equipment includes main conveying mechanism, welding conveying mechanism, closing device and welding set, wherein:
the welding conveying mechanism is arranged at the side of the main conveying mechanism, and the conveying direction of the welding conveying mechanism is perpendicular to the conveying direction of the main conveying mechanism;
the main conveying mechanism is used for conveying the battery module to a reversing station close to the welding conveying mechanism, a plurality of poles are arranged on the battery module, and each pole is correspondingly preloaded with a cover plate;
the welding conveying mechanism is used for conveying the battery module conveyed to the reversing station to a welding station;
the pressing device is arranged above the welding station and is used for pressing each cover plate on the battery module to each corresponding pole;
the welding device is used for welding each cover plate pressed by the pressing device to each corresponding pole;
the welding conveying mechanism is also used for conveying the battery module with the welded cover plate back to the reversing station, and the main conveying mechanism is also used for continuously conveying the battery module with the welded cover plate back.
2. The cover plate welding apparatus of claim 1, further comprising a reversing mechanism disposed at the reversing station for reversing the battery module onto the welding conveyor mechanism and for conveying the battery module completed with the cover plate welding back to the reversing station in cooperation with the welding conveyor mechanism; the reversing mechanism comprises a jacking driving part, a lifting plate and a reversing conveying part, wherein:
the lifting plate is connected to the driving end of the jacking driving part, the reversing conveying part is arranged on the lifting plate, and the conveying direction of the reversing conveying part is perpendicular to the conveying direction of the main conveying mechanism;
when the lifting plate is driven to descend to a low position by the jacking driving part, the reversing conveying part is positioned below a conveying bearing surface of the main conveying mechanism;
when the lifting plate is driven by the lifting driving part to rise to a high position, the reversing conveying part extends upwards out of the conveying bearing surface of the main conveying mechanism and is in butt joint with the welding conveying mechanism.
3. The cover plate welding apparatus according to claim 2, wherein a transition roller is provided on an edge side of the main conveying mechanism, the transition roller is located between the reversing mechanism and the welding conveying mechanism, and an axis of the transition roller is the same as a conveying direction of the main conveying mechanism.
4. The cover plate welding device according to claim 2, wherein the welding conveying mechanisms are arranged in two groups, the two groups of welding conveying mechanisms are positioned on two sides of the reversing mechanism, and the pressing device is correspondingly arranged above the conveying path of each group of welding conveying mechanisms.
5. The cover plate welding apparatus of claim 4, wherein the welding device comprises a robot and a laser welding head connected to a distal end of the robot, the robot being configured to drive the laser welding head to move so as to drive the laser welding head to weld each cover plate pressed by the pressing device to each corresponding pole.
6. The cover plate welding apparatus of claim 1, wherein the compression device comprises a mounting bracket, a compression drive mechanism, a compression plate, and a plurality of welding rams, wherein:
the compression driving mechanism is arranged on the mounting bracket;
the pressing plate is connected to the driving end of the pressing driving mechanism, and the pressing driving mechanism is at least used for driving the pressing plate to lift;
and the welding pressure heads are arranged on the pressing plate, and each welding pressure head correspondingly presses one cover plate onto the corresponding pole when the pressing plate is driven to descend by the pressing driving mechanism.
7. The cover plate welding apparatus of claim 6, wherein the hold-down drive mechanism comprises a translational drive mechanism and a lifting drive mechanism, wherein:
the translation driving mechanism is arranged on the mounting bracket, and the lifting driving mechanism is connected to the driving end of the translation driving mechanism;
the translation driving mechanism is used for driving the pressing plates to translate so as to drive each welding press head to move to the position above the corresponding cover plate;
the lifting driving mechanism is used for driving the pressing plates to lift so as to drive the welding pressure heads to press or release the corresponding cover plates.
8. The cover plate welding apparatus of claim 6, wherein a welding through hole penetrating the ram from top to bottom is formed in the ram.
9. The cover plate welding apparatus of claim 8, wherein the welding through hole is provided with a blow hole and a suction hole on an inner wall thereof, wherein:
the air blowing hole is connected with the air blowing device through an air blowing pipeline and is used for blowing air into the welding through hole;
the air exhaust hole is connected with the air exhaust device through an air exhaust pipeline and is used for exhausting impurities in the welding through hole.
10. The cover plate welding apparatus of claim 6, wherein the hold-down device further comprises a positioning mechanism disposed on the mounting bracket, the positioning mechanism comprising a positioning drive mechanism and a positioning assembly, wherein:
the positioning driving mechanism is arranged on the mounting bracket;
the positioning assembly is connected to the driving end of the positioning driving mechanism, the positioning driving mechanism is used for driving the positioning assembly to move, and the positioning assembly is used for positioning the cover plate to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223054549.8U CN219053226U (en) | 2022-11-17 | 2022-11-17 | Cover plate welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223054549.8U CN219053226U (en) | 2022-11-17 | 2022-11-17 | Cover plate welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219053226U true CN219053226U (en) | 2023-05-23 |
Family
ID=86366737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223054549.8U Active CN219053226U (en) | 2022-11-17 | 2022-11-17 | Cover plate welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219053226U (en) |
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2022
- 2022-11-17 CN CN202223054549.8U patent/CN219053226U/en active Active
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