CN214638438U - Brush powder dust absorption transfer mechanism and battery pole piece production line - Google Patents
Brush powder dust absorption transfer mechanism and battery pole piece production line Download PDFInfo
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- CN214638438U CN214638438U CN202022841177.8U CN202022841177U CN214638438U CN 214638438 U CN214638438 U CN 214638438U CN 202022841177 U CN202022841177 U CN 202022841177U CN 214638438 U CN214638438 U CN 214638438U
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Abstract
A powder brushing, dust absorbing and transferring mechanism and a battery pole piece production line are provided, wherein the powder brushing, dust absorbing and transferring mechanism comprises a transfer assembly and a dust removing assembly. The transfer assembly comprises a front object placing table and a rear object placing table, and the front object placing table and the rear object placing table are sequentially arranged along the transmission direction of the pole piece transmission belt; the dust removal subassembly is including removing dust piece, last module and lower module, and the piece that removes dust is located between preceding thing platform and the after-placement platform, goes up module and lower module wheel flow and puts the thing platform translation to the after-placement from preceding thing platform for drive the pole piece and put the thing platform by preceding thing platform and shift to the after-placement. The upper module and the lower module are matched to alternately carry the pole pieces in the front storage table and the rear storage table removes dust attached to the surfaces of the pole pieces through the dust removing piece, the upper module and the lower module are matched to realize seamless transfer of the pole pieces, the standby time of the dust removing assembly during resetting is saved, and the dust removing efficiency of the pole pieces is improved.
Description
Technical Field
The utility model relates to a battery processing field especially relates to a brush whitewashed dust absorption transfer mechanism.
Background
The pole piece is one of the main components forming the battery core, the raw material of the pole piece is a strip-shaped coiled material, when the pole piece is prepared, the strip-shaped coiled material needs to be cut into sections, dust can be generated in the blanking process, the dust is adhered to the surface of the pole piece, the subsequent processing operation of the pole piece is influenced, and the dust adhered to the surface of the pole piece needs to be removed before the pole piece is further processed.
The existing dust removal device can automatically remove dust of the pole pieces on the production line, but the dust removal device can perform powder brushing and dust collection operation on a single pole piece by moving every time, and the structure for carrying the pole pieces on the dust removal device needs to be reset to perform pole piece carrying operation again, so that when the production pressure is high, the dust removal efficiency of the existing device can restrict the processing efficiency of the pole pieces.
Therefore, it is necessary to optimize the existing pole piece dust removing device, so as to improve the dust removing efficiency of the pole piece dust removing device and further improve the production and processing efficiency of the pole piece.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a brush powder dust absorption transfer mechanism, standby time when reducing the pole piece and removing dust improves the production machining efficiency of pole piece.
The purpose of the utility model is realized through the following technical scheme:
a powder brushing, dust sucking and transferring mechanism comprises: a transfer component and a dust removal component;
the transfer assembly comprises a front object placing table and a rear object placing table, and the front object placing table and the rear object placing table are sequentially arranged along the transmission direction of the pole piece transmission belt;
the dust removal subassembly includes dust removal piece, upper die set and lower module, the dust removal piece is located preceding thing platform reaches between the thing platform is put to the back, upper die set with lower module is followed in turn preceding thing platform to the translation of thing platform is put to the back for drive the pole piece by preceding thing platform to the thing platform is put to the back shifts.
In one embodiment, the brushing, dust-absorbing and conveying mechanism further comprises a truss, the truss comprises support legs and a cross beam, the cross beam is arranged on the support legs, and the extending direction of the cross beam is perpendicular to the transmission direction of the pole piece transmission belt.
In one embodiment, a transfer manipulator is arranged above each of the front object placing table and the rear object placing table, the transfer manipulator is located on the cross beam, and the transfer manipulator is used for driving the pole piece to move along the extending direction of the cross beam.
In one embodiment, the transfer manipulator comprises a mounting frame, a stroke cylinder, a lifting cylinder and a sucker, wherein the mounting frame is arranged on the beam, the stroke cylinder is arranged on the mounting frame, the lifting cylinder is arranged on the stroke cylinder, the sucker is arranged on the output end of the lifting cylinder, the stroke cylinder is used for driving the sucker to reciprocate and translate between the transfer component and a pole piece transmission belt, and the lifting cylinder is used for driving the sucker to be close to or far away from the pole piece.
In one embodiment, the dust removing part comprises a dust removing base, a brush and a dust collector, the brush and the dust collector are arranged on the base at intervals, the brush rotates to pull away dust on the pole piece, and the dust collector is used for adsorbing the dust.
In one embodiment, the brush comprises two brush wheels, the two brush wheels are arranged on the dust removing base at intervals, and a dust removing area is arranged between the two brush wheels.
In one embodiment, the front object stage includes a jacking frame and a transfer jig, the transfer jig is used for accommodating a pole piece, and a lifting cylinder is arranged between the jacking frame and the transfer jig and used for pushing the transfer jig to ascend or descend.
In one of them embodiment, the top module includes translation driving piece, flexible slip table and pole piece clamping jaw, flexible slip table set up in on the translation driving piece, the pole piece clamping jaw install in on the flexible slip table, the translation driving piece is used for driving the pole piece clamping jaw in preceding thing platform with reciprocating translation between the thing platform is put to the back, the pole piece clamping jaw sets up towards the pole piece transmission band.
In one embodiment, the transfer assembly and the dust removing assembly are respectively provided with two, the two transfer assemblies are symmetrically arranged by taking the pole piece conveying belt as a center, the two dust removing assemblies are arranged on the truss, and the two dust removing assemblies are respectively positioned at two sides of the pole piece conveying belt.
The utility model provides a battery pole piece production line includes any brush powder dust absorption transfer mechanism of above-mentioned, still includes lamination loading attachment, the clear powder device of ultrasonic wave, utmost point ear welding set, rubberizing transfer device and unloader, lamination loading attachment the clear powder device of ultrasonic wave utmost point ear welding set brush powder dust absorption transfer mechanism the rubberizing transfer device reaches unloader sets up along the transmission direction order of pole piece transmission band, starts in proper order and is used for processing to obtain the pole piece.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. the upper module and the lower module are matched to alternately convey the pole pieces in the front storage table to the rear storage table, and the dust attached to the surfaces of the pole pieces is removed by the dust removing piece in the conveying process, so that the idle standby is not needed, and the time consumed by dust removal is saved;
2. the upper module is reset and is carried the pole piece by the lower module on the way, and the lower module is reset and is carried the pole piece by the upper module on the way, and both cooperate to realize the seamless transfer of pole piece, have saved the stand-by time when dust removal subassembly resets, further improve pole piece dust collection efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a partial structure of a brush dust suction transfer mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of the transfer assembly and the dust removing assembly of the brush dust collecting and transferring mechanism shown in FIG. 1;
fig. 3 is a schematic structural view of a dust removing member according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a transfer robot in an embodiment of the present invention;
fig. 5 is a schematic structural view of a battery pole piece production line in an implementation of the present invention.
Reference numerals:
the production line comprises a battery pole piece production line 1, a powder brushing, dust absorbing and transferring mechanism 10, a lamination feeding device 20, an ultrasonic powder cleaning device 30, a pole lug welding device 40, a rubberizing and transferring device 50, a discharging device 60, a pole piece conveying belt 70 and a pole piece positioning jig 71;
the transfer device comprises a transfer component 200, a front object stage 210, a jacking frame 211, a transfer jig 212, a lifting cylinder 213 and a rear object stage 220;
the device comprises a dust removing assembly 300, a dust removing piece 310, a dust removing base 311, a brush 312, a brush wheel 312a, a dust collector 313, an upper die set 320, a translational driving piece 321, a telescopic sliding table 322, a pole piece clamping jaw 323 and a lower die set 330;
the transfer robot 400, a mounting frame 410, a stroke cylinder 420, a lifting cylinder 430 and a suction cup 440.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a powder brushing, dust collecting and transferring mechanism 10 includes: truss 100, transfer subassembly 200 and dust removal subassembly 300. Truss 100 erects on the pole piece transmission band, and dust removal subassembly 300 sets up on truss 100, and transfer subassembly 200 and the cooperation of dust removal subassembly 300 carry out the dust removal operation to the pole piece on the pole piece transmission band, through reducing the removal time of pole piece with improve the dust collection efficiency of pole piece.
Referring to fig. 1 and 2, the transfer assembly 200 includes a front stage 210 and a rear stage 220, and the front stage 210 and the rear stage 220 are sequentially disposed along a transmission direction of the pole piece conveyor. The front placing table 210 is used for storing pole pieces to be dedusted, and the rear placing table 220 is used for storing the pole pieces to be dedusted.
Referring to fig. 1, the dust removing assembly 300 includes a dust removing member 310, an upper module 320 and a lower module 330, the dust removing member 310 is located between the front object stage 210 and the rear object stage 220, the upper module 320 and the lower module 330 are symmetrically disposed on the truss 100, specifically, the upper module 320 and the lower module 330 are symmetrically distributed around a placement plane of a pole piece on the pole piece conveying belt, and the upper module 320 and the lower module 330 alternately translate from the front object stage 210 to the rear object stage 220 for driving the pole piece to transfer from the front object stage 210 to the rear object stage 220.
The operation of the above-described brush dust suction transfer mechanism 10 will be described as follows:
preceding thing platform 210 and the transmission direction order setting of putting thing platform 220 along the pole piece transmission band after, the pole piece is transported to preceding thing platform 210 position in, and the pole piece that is arranged in preceding thing platform 210 this moment is promptly to wait to remove dust the pole piece.
When placing the pole piece that remains to remove dust on putting thing platform 210 at present, dust removal subassembly 300 starts, go up module 320 and pick up the pole piece that waits to remove dust in putting thing platform 210 before, take the pole piece that waits to remove dust to put thing platform 220 translation after, at this in-process, the pole piece that waits to remove dust of picking up is through removing dust piece 310, clear away the apparent dust of pole piece by removing dust piece 310, the pole piece that removes dust through removing dust piece 310 is placed in putting thing platform 220 after, go up module 320 and begin to return the normal position.
When the upper module 320 moves the pole piece to the rear object placing table 220, the upper pole piece and the lower pole piece of the pole piece transmission belt are conveyed to the front object placing table 210, in the process of the upper module 320, the lower module 330 is started and picks up the pole piece to be dedusted in the front object placing table 210, the pole piece to be dedusted is conveyed to the rear object placing table 220, and the lower module 330 replaces the pole piece to be dedusted on the way of the return of the upper module 320 to complete the conveying of the pole piece.
So, go up module 320 and lower module 330 and implement the transport action in turn, constantly with the pole piece that waits to remove dust on the preceding thing platform 210 to the transportation of rearmounted thing platform 220, realize seamless transportation, saved the shared time of manipulator reset process for the dust collection efficiency of pole piece doubles.
One transfer robot 400 is disposed above each of the front stage 210 and the rear stage 220. It should be noted that the transfer robot 400 above the front stage 210 and the transfer robot 400 above the rear stage 220 move in the same direction, but have different functions; the transfer manipulator 400 above the front object stage 210 is used for transferring the pole pieces to be dedusted on the pole piece conveyor belt onto the front object stage 210; the transfer manipulator 400 above the rear object placing table 220 is used for putting the pole piece subjected to dust removal back into the pole piece conveying belt again.
The front object placing table 210 and the rear object placing table 220 are sequentially arranged along the transmission direction of the pole piece transmission belt, when the pole piece is transported to the position of the front object placing table 210, the transfer manipulator 400 located above the front object placing table 210 is started to carry the pole piece in the pole piece transmission belt to the front object placing table 210, and the pole piece located in the front object placing table 210 at the moment is the pole piece to be dedusted.
When placing the pole piece that remains to remove dust on putting thing platform 210 at present, dust removal subassembly 300 starts, go up module 320 and pick up the pole piece that waits to remove dust in putting thing platform 210 before, the pole piece that takes to wait to remove dust is to putting thing platform 220 translation after, in this process, the pole piece that waits to remove dust of picking up is through removing dust piece 310, clear away the apparent dust of pole piece by removing dust piece 310, the pole piece that removes dust through removing dust piece 310 is placed in putting thing platform 220 after, go up module 320 and begin to return the normal position, and the transfer manipulator 400 that is located put thing platform 220 after takes it back to the pole piece transmission band in.
When the upper module 320 moves to the rear object placing table 220 with the pole piece, the transfer manipulator 400 above the front object placing table 210 carries the upper pole piece and the lower pole piece of the pole piece transmission belt into the front object placing table 210, and in the process of the upper module 320, the lower module 330 starts and picks up the pole piece to be dedusted in the front object placing table 210, and the pole piece to be dedusted is carried to the rear object placing table 220 to be translated, namely, the lower module 330 replaces the pole piece to be dedusted on the way of the return of the upper module 320 to complete the transportation of the pole piece.
Referring to fig. 1, in an embodiment, the truss 100 includes a support leg 110 and a beam 120, the beam 120 is disposed on the support leg 110, and an extending direction of the beam 120 is perpendicular to a transmission direction of a pole piece transmission belt. The transfer manipulator 400 is located on the beam 120, and the transfer manipulator 400 is used for driving the pole piece to move along the extending direction of the beam 120.
Referring to fig. 2 and 4, the transfer robot 400 includes a mounting frame 410, a stroke cylinder 420, a lifting cylinder 430 and a suction cup 440, the mounting frame 410 is disposed on the cross beam 120, the stroke cylinder 420 is disposed on the mounting frame 410, the lifting cylinder 430 is disposed on the stroke cylinder 420, the suction cup 440 is mounted on an output end of the lifting cylinder 430, the stroke cylinder 420 is used for driving the suction cup 440 to reciprocate between the transfer assembly 200 and the pole piece conveying belt, and the lifting cylinder 430 is used for driving the suction cup 440 to approach or keep away from the pole piece.
Referring to fig. 1 and 3, in an embodiment, the dust removing unit 310 includes a dust removing base 311, a brush 312 and a dust collector 313, the brush 312 and the dust collector 313 are mounted on the base at intervals, the brush 312 rotates to pull away dust on the pole piece, and the dust collector 313 is used to absorb the dust being swept away, so as to prevent the dust from scattering and causing secondary pollution to the pole piece.
Referring to fig. 3, in order to improve the dust removal efficiency, the brush 312 includes two brush wheels 312a, the two brush wheels 312a are installed on the dust removal base 311 at intervals, a dust removal area is formed between the two brush wheels 312a, when the upper module 320 and the lower module 330 drive the pole piece to translate, the pole piece passes through the dust removal area, the two brush wheels 312a respectively perform rolling brushing on the front side and the back side of the pole piece, and the single translation completes the dust removal operation on the two sides, thereby improving the dust removal efficiency.
Referring to fig. 2, in order to make the structure of the brush powder dust-absorbing and transferring mechanism 10 more compact, the front object stage 210 includes a lifting frame 211 and a transferring jig 212, the transferring jig 212 is used for accommodating a pole piece, a lifting cylinder 213 is disposed between the lifting frame 211 and the transferring jig 212, and the lifting cylinder 213 is used for pushing the transferring jig 212 to ascend or descend. And enough space is provided for the upper module 320 and the lower module 330 to perform translation movement, so that the distance required by the upper module 320 and the lower module 330 to move when picking up the pole pieces is reduced, and the time consumption for carrying the pole pieces is reduced. In order to ensure the consistency of the operation, the rear object stage 220 has the same structure as the front object stage 210, that is, the rear object stage 220 is also provided with a jacking frame 211 and a transfer jig 212.
Referring to fig. 2, in order to improve the pole piece conveying efficiency, the upper module 320 includes a translational driving member 321, a telescopic sliding table 322 and a pole piece clamping jaw 323, the telescopic sliding table 322 is disposed on the translational driving member 321, the pole piece clamping jaw 323 is mounted on the telescopic sliding table 322, the translational driving member 321 is configured to drive the pole piece clamping jaw 323 to perform reciprocating translation between the front object stage 210 and the rear object stage 220, and the pole piece clamping jaw 323 is disposed toward the pole piece conveying belt. When pole pieces are picked up and placed, the telescopic sliding table 322 extends out, the pole piece clamping jaw 323 is pushed to the position of the front object placing table 210 (or the rear object placing table 220), and the pole pieces are clamped (or placed) by the pole piece clamping jaw 323; and when the translation driving member 321 drives the pole piece clamping jaw 323 to return to the front object stage 210 from the rear object stage 220, the telescopic sliding table 322 is in a retraction state. In order to ensure the consistency of the actions, the lower module 330 has the same structure as the upper module 320, i.e. the lower module 330 is also provided with a translational driving element 321, a telescopic sliding table 322 and a pole piece clamping jaw 323.
Referring to fig. 5, in an embodiment, a plurality of pole piece positioning jigs 71 are disposed on a pole piece conveying belt 70, and two pole pieces are symmetrically disposed in each pole piece positioning jig 71, two transfer assemblies 200 and two dust removing assemblies 300 are disposed respectively, the two transfer assemblies 200 are symmetrically disposed with respect to the pole piece conveying belt, the two dust removing assemblies 300 are disposed on a truss 100, and the two dust removing assemblies 300 are disposed at two sides of the pole piece conveying belt respectively, and the two sets of transfer assemblies 200 and the two sets of dust removing assemblies 300 disposed symmetrically correspond to two pole pieces on the same pole piece positioning jig 71 for performing dust removing operation.
Referring to fig. 5, a battery pole piece production line 1 includes a brushing powder, dust-absorbing and transferring mechanism 10, a lamination feeding device 20, an ultrasonic powder-cleaning device 30, a tab welding device 40, a rubberizing and transferring device 50, and a discharging device 60, wherein the lamination feeding device 20, the ultrasonic powder-cleaning device 30, the tab welding device 40, the brushing powder, dust-absorbing and transferring mechanism 10, the rubberizing and transferring device 50, and the discharging device 60 are sequentially arranged along a transmission direction of a pole piece transmission belt, and are sequentially started for processing to obtain a pole piece.
Compared with the prior art, the utility model discloses at least, following advantage has:
1. the upper module 320 and the lower module 330 cooperate to alternately convey the pole pieces in the front object stage 210 to the rear object stage 220, and the dust removing piece 310 removes dust attached to the surface of the pole pieces during the conveying process, so that the stop and standby are not needed, and the time consumed by dust removal is saved;
2. go up module 320 and reset on the way and carry the pole piece by lower module 330, lower module 330 resets on the way and carries the pole piece by last module 320, and both cooperations realize the seamless transfer of pole piece, have saved the stand-by time when dust removal component 300 resets, further improve pole piece dust collection efficiency.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A kind of brushing powder dust absorption transfer mechanism, characterized by comprising:
the transfer assembly comprises a front object placing table and a rear object placing table, and the front object placing table and the rear object placing table are sequentially arranged along the transmission direction of the pole piece transmission belt;
the dust removal assembly comprises a dust removal piece, an upper module and a lower module, the dust removal piece is located between the front object placing table and the rear object placing table, the upper module and the lower module sequentially follow the front object placing table to translate the rear object placing table, and the dust removal assembly is used for driving the pole piece to be transferred to the rear object placing table from the front object placing table.
2. The brush dust suction and transfer mechanism as claimed in claim 1, further comprising a truss, wherein the truss comprises support legs and a cross beam, the cross beam is disposed on the support legs, and the extending direction of the cross beam is perpendicular to the conveying direction of the pole piece conveying belt.
3. The powder brushing, dust absorbing and conveying mechanism as claimed in claim 2, wherein a transfer manipulator is arranged above each of the front object placing table and the rear object placing table, the transfer manipulators are located on the cross beam, and the transfer manipulators are used for driving the pole pieces to move along the extending direction of the cross beam.
4. The brush dust, absorbing and transporting mechanism according to claim 3, wherein the transfer manipulator comprises a mounting frame, a stroke cylinder, a lifting cylinder and a sucker, the mounting frame is arranged on the cross beam, the stroke cylinder is arranged on the mounting frame, the lifting cylinder is arranged on the stroke cylinder, the sucker is arranged on an output end of the lifting cylinder, the stroke cylinder is used for driving the sucker to perform reciprocating translation between the transfer component and a pole piece transmission belt, and the lifting cylinder is used for driving the sucker to be close to or far away from the pole piece.
5. The powder brushing, dust sucking and conveying mechanism as claimed in claim 1, wherein the dust removing part comprises a dust removing base, a brush and a dust collector, the brush and the dust collector are mounted on the base at intervals, the brush rotates to pull away dust on the pole piece, and the dust collector is used for adsorbing the dust.
6. The powder brushing, dust sucking and conveying mechanism as claimed in claim 5, wherein the brush comprises two brush wheels, the two brush wheels are mounted on the dust removing base at intervals, and a dust removing area is formed between the two brush wheels.
7. The powder brushing, dust absorbing and conveying mechanism according to claim 1, wherein the front object placing table comprises a jacking frame and a transfer jig, the transfer jig is used for accommodating a pole piece, and a lifting cylinder is arranged between the jacking frame and the transfer jig and used for pushing the transfer jig to ascend or descend.
8. The brush dust absorption transfer mechanism of claim 1, wherein the upper die set comprises a translation driving part, a telescopic sliding table and a pole piece clamping jaw, the telescopic sliding table is arranged on the translation driving part, the pole piece clamping jaw is arranged on the telescopic sliding table, the translation driving part is used for driving the pole piece clamping jaw to reciprocate between the front object placing table and the rear object placing table, and the pole piece clamping jaw is arranged towards the pole piece transmission belt.
9. The brush dust suction and transfer mechanism according to claim 2, wherein there are two transfer assemblies and two dust removing assemblies, the two transfer assemblies are symmetrically arranged with respect to the pole piece conveyor belt, the two dust removing assemblies are both arranged on the truss, and the two dust removing assemblies are respectively located at two sides of the pole piece conveyor belt.
10. A battery pole piece production line comprises the brushing, dust-absorbing and conveying mechanism as claimed in any one of claims 1 to 9, and is characterized by further comprising a lamination feeding device, an ultrasonic dust-removing device, a tab welding device, a rubberizing and conveying device and a discharging device, wherein the lamination feeding device, the ultrasonic dust-removing device, the tab welding device, the brushing, dust-absorbing and conveying mechanism, the rubberizing and conveying device and the discharging device are sequentially arranged along the transmission direction of a pole piece transmission belt, and are sequentially started to be used for processing to obtain a pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022841177.8U CN214638438U (en) | 2020-11-30 | 2020-11-30 | Brush powder dust absorption transfer mechanism and battery pole piece production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022841177.8U CN214638438U (en) | 2020-11-30 | 2020-11-30 | Brush powder dust absorption transfer mechanism and battery pole piece production line |
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| Publication Number | Publication Date |
|---|---|
| CN214638438U true CN214638438U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022841177.8U Active CN214638438U (en) | 2020-11-30 | 2020-11-30 | Brush powder dust absorption transfer mechanism and battery pole piece production line |
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| Country | Link |
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| CN (1) | CN214638438U (en) |
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- 2020-11-30 CN CN202022841177.8U patent/CN214638438U/en active Active
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