CN214348884U - Lithium ion battery slot rolling device - Google Patents
Lithium ion battery slot rolling device Download PDFInfo
- Publication number
- CN214348884U CN214348884U CN202022418600.3U CN202022418600U CN214348884U CN 214348884 U CN214348884 U CN 214348884U CN 202022418600 U CN202022418600 U CN 202022418600U CN 214348884 U CN214348884 U CN 214348884U
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- CN
- China
- Prior art keywords
- fixedly connected
- plate
- lithium ion
- ion battery
- plate body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 62
- 238000005096 rolling process Methods 0.000 title abstract description 27
- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 9
- 230000005465 channeling Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 229910052744 lithium Inorganic materials 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 6
- 230000036541 health Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a lithium ion battery slot rolling device, which comprises a plate body, the fixedly connected with motor of center department of plate body bottom, the output shaft of motor extends to the top of plate body and anchor clamps under the fixedly connected with, the equal fixedly connected with bracing piece in both sides at plate body top, the top fixedly connected with backup pad of bracing piece, the top fixedly connected with fixed plate of backup pad, the first cylinder of one side fixedly connected with that the fixed plate is relative, first cylinder one side difference fixedly connected with first connecting plate and second connecting plate that first cylinder is relative. The utility model discloses possess convenient to use's advantage, solved current lithium ion battery slot rolling device at the in-process that uses, be not convenient for carry out the stable stay to lithium ion battery, cause lithium ion battery to take place deformation easily, influence lithium ion battery's slot rolling quality, be not convenient for carry out the dust absorption to the dust that lithium ion battery slot rolling produced, the problem of easy polluted machining environment.
Description
Technical Field
The utility model relates to a lithium ion battery technical field specifically is a lithium ion battery slot rolling device.
Background
A lithium polymer battery, also called a polymer lithium battery or a poly lithium battery, is a lithium ion battery, the lithium polymer battery usually increases the discharge current by a plurality of identical parallel sub battery cores, or increases the available voltage by a plurality of battery packs connected in series, although the lithium polymer battery is often referred to as a lithium battery or a lithium ion battery for short, but not exactly the same in strict sense, the lithium battery refers to a lithium primary battery, which contains pure lithium metal and is disposable and non-chargeable, while the lithium ion battery is a precursor of the lithium polymer battery, and the main difference is that the electrolyte uses a liquid organic solution rather than a colloidal or solid polymer.
The existing lithium ion battery slot rolling device is inconvenient to stably support a lithium ion battery in the using process, easily causes the lithium ion battery to deform, influences the slot rolling quality of the lithium ion battery, is inconvenient to absorb dust generated by the lithium ion battery slot rolling, easily pollutes the processing environment, and influences the health of workers.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium ion battery slot rolling device possesses convenient to use's advantage, has solved current lithium ion battery slot rolling device and at the in-process that uses, is not convenient for carry out the outrigger to lithium ion battery, causes lithium ion battery to take place deformation easily, influences lithium ion battery's slot rolling quality, is not convenient for carry out the dust absorption to the dust that lithium ion battery slot rolling produced, pollutes the processing environment easily, influences the healthy problem of staff.
In order to achieve the above object, the utility model provides a following technical scheme: a lithium ion battery slot rolling device comprises a plate body, wherein a motor is fixedly connected at the center of the bottom of the plate body, an output shaft of the motor extends to the top of the plate body and is fixedly connected with a lower clamp, supporting rods are fixedly connected at both sides of the top of the plate body, a supporting plate is fixedly connected at the top of the supporting rods, a fixed plate is fixedly connected at the top of the supporting plate, a first air cylinder is fixedly connected at one side opposite to the fixed plate, a first connecting plate and a second connecting plate are respectively fixedly connected at one side opposite to the first air cylinder, sliding rods are fixedly connected at the bottoms of the first connecting plate and the second connecting plate, the bottom of the sliding rod is movably connected with the top of the supporting plate, a grooved wheel is fixedly connected at the right side of the first connecting plate, a transverse plate is fixedly connected at the left side of the second connecting plate, and a clamping plate is fixedly connected at the left side of the transverse plate, the rear side fixedly connected with support frame at plate body top, the top fixedly connected with second cylinder of support frame inner wall, there is anchor clamps bottom of second cylinder through bearing swing joint, the bottom fixedly connected with fan of support frame rear side, the air inlet end of fan runs through to the front of support frame, the air inlet end intercommunication of fan has the suction hood, the rear side of suction hood and the positive fixed connection of support frame, the air-out end intercommunication of fan has out the tuber pipe, the top fixedly connected with box of support frame rear side, the top swing joint of box inner chamber has the filter core, the top of going out the tuber pipe runs through to the inner chamber of box and communicates with the air inlet end of filter core.
Preferably, the top of the supporting plate is provided with a sliding groove, and the bottom of the sliding rod extends to the inner cavity of the sliding groove and is movably connected with the inner wall of the sliding groove.
Preferably, four corners of the bottom of the plate body are fixedly connected with supporting legs, and the bottom of each supporting leg is fixedly connected with a supporting leg.
Preferably, the shape of splint is the arc, the left side fixed mounting of plate body bottom has the controller.
Preferably, the right side of the box body is provided with an air outlet, and the front side of the box body is provided with a sealing door.
Preferably, the top fixedly connected with installation pole of filter core, the mounting groove has been seted up at the top of box inner chamber, the top of installation pole extend to the inner chamber of mounting groove and rather than inner wall swing joint.
Preferably, the center of the bottom of the plate body is fixedly connected with a protective shell, and the motor is located in an inner cavity of the protective shell.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a plate body, the slide bar, the fixed plate, first connecting plate, the grooving wheel, the support frame, the second cylinder, go up anchor clamps, splint, the diaphragm, the second connecting plate, first cylinder, a supporting plate, the bracing piece, including a motor, an end cap, a controller, and a cover plate, lower anchor clamps, the box, the filter core, go out the tuber pipe, the fan, the suction hood, the cooperation of installation pole and mounting groove is used, the in-process of current lithium ion battery slot rolling device using has been solved, be not convenient for carry out the stable support to lithium ion battery, cause lithium ion battery to take place deformation easily, influence lithium ion battery's slot rolling quality, be not convenient for carry out the dust absorption to the dust that lithium ion battery slot rolling produced, the processing environment is polluted easily, influence the healthy problem of staff.
2. The utility model discloses a cooperation of motor and lower anchor clamps is used, can be convenient for drive lithium ion battery and rotate, through setting up the slide bar, can be convenient for make first connecting plate and the stable removal of second connecting plate, cooperation through diaphragm and splint is used, can be convenient for stabilize the support to lithium ion battery, cooperation through second cylinder and last anchor clamps is used, can be convenient for carry on spacingly to lithium ion battery, cooperation through fan and suction hood is used, can be convenient for carry out the dust absorption to the dust that lithium ion battery hobbing machine produced, cooperation through installation pole and mounting groove is used, can be convenient for take out the filter core and clear up.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic right sectional view of the present invention;
FIG. 3 is a schematic view of the top view of the present invention;
fig. 4 is an enlarged schematic view of a in fig. 2 according to the present invention.
In the figure: the device comprises a plate body 1, a sliding rod 2, a fixing plate 3, a first connecting plate 4, a grooved wheel 5, a supporting frame 6, a second air cylinder 7, an upper clamp 8, a clamping plate 9, a transverse plate 10, a second connecting plate 11, a first air cylinder 12, a supporting plate 13, a supporting rod 14, a motor 15, a lower clamp 16, a box body 17, a filter element 18, an air outlet pipe 19, a fan 20, a dust hood 21, a mounting rod 22 and a mounting groove 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a plate body 1, slide bar 2, fixed plate 3, first connecting plate 4, fluting wheel 5, support frame 6, second cylinder 7, go up anchor clamps 8, splint 9, diaphragm 10, second connecting plate 11, first cylinder 12, backup pad 13, bracing piece 14, motor 15, lower anchor clamps 16, box 17, filter core 18, play tuber pipe 19, fan 20, suction hood 21 and installation pole 22 etc. parts are general standard or the part that technical staff in the field knows, its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical staff in the field.
Referring to fig. 1-4, a lithium ion battery rolling groove device comprises a plate body 1, wherein four corners of the bottom of the plate body 1 are fixedly connected with supporting legs, the bottom of each supporting leg is fixedly connected with a supporting leg, a controller is fixedly installed on the left side of the bottom of the plate body 1, a motor 15 is fixedly connected with the center of the bottom of the plate body 1, a protective shell is fixedly connected with the center of the bottom of the plate body 1, the motor 15 is positioned in an inner cavity of the protective shell, an output shaft of the motor 15 extends to the top of the plate body 1 and is fixedly connected with a lower clamp 16, the lithium ion battery can be conveniently driven to rotate by matching the motor 15 and the lower clamp 16, supporting rods 14 are fixedly connected with two sides of the top of the plate body 1, a supporting plate 13 is fixedly connected with the top of the supporting plate 13, a fixing plate 3 is fixedly connected with a first air cylinder 12 on one side opposite to the fixing plate 3, a first connecting plate 4 and a second connecting plate 11 are respectively fixedly connected with one side opposite to the first air cylinder 12, the bottom of the first connecting plate 4 and the bottom of the second connecting plate 11 are both fixedly connected with a slide bar 2, the first connecting plate 4 and the second connecting plate 11 can be conveniently and stably moved by arranging the slide bar 2, the bottom of the slide bar 2 is movably connected with the top of a supporting plate 13, the top of the supporting plate 13 is provided with a slide groove, the bottom of the slide bar 2 extends to the inner cavity of the slide groove and is movably connected with the inner wall of the slide groove, the right side of the first connecting plate 4 is fixedly connected with a grooved pulley 5, the left side of the second connecting plate 11 is fixedly connected with a transverse plate 10, the left side of the transverse plate 10 is fixedly connected with a clamping plate 9, the lithium ion battery can be conveniently and stably supported by matching the transverse plate 10 and the clamping plate 9, the clamping plate 9 is arc-shaped, the rear side of the top of the plate body 1 is fixedly connected with a supporting frame 6, the top of the inner wall of the supporting frame 6 is fixedly connected with a second cylinder 7, and the bottom of the second cylinder 7 is movably connected with an upper clamp 8 through a bearing, the lithium ion battery can be conveniently limited by the matching use of the second cylinder 7 and the upper clamp 8, the bottom of the rear side of the support frame 6 is fixedly connected with a fan 20, the air inlet end of the fan 20 penetrates through the front side of the support frame 6, the air inlet end of the fan 20 is communicated with a dust hood 21, the dust generated by a lithium ion battery channeling worker can be conveniently absorbed by the matching use of the fan 20 and the dust hood 21, the rear side of the dust hood 21 is fixedly connected with the front side of the support frame 6, the air outlet end of the fan 20 is communicated with an air outlet pipe 19, the top of the rear side of the support frame 6 is fixedly connected with a box body 17, the right side of the box body 17 is provided with an air outlet, the front side of the box body 17 is provided with a sealing door, the top of the inner cavity of the box body 17 is movably connected with a filter element 18, the top of the air outlet pipe 19 penetrates through the inner cavity of the box body 17 and is communicated with the air inlet end of the filter element 18, the top of the filter element 18 is fixedly connected with an installation rod 22, the top of the inner cavity of the box body 17 is provided with a mounting groove 23, the top of the mounting rod 22 extends to the inner cavity of the mounting groove 23 and is movably connected with the inner wall of the mounting groove, the filter element 18 can be conveniently taken out for cleaning through the matching use of the mounting rod 22 and the mounting groove 23, the filter element 18 can be conveniently taken out and cleaned through the matching use of the plate body 1, the slide rod 2, the fixing plate 3, the first connecting plate 4, the grooving wheel 5, the supporting frame 6, the second air cylinder 7, the upper clamp 8, the clamping plate 9, the transverse plate 10, the second connecting plate 11, the first air cylinder 12, the supporting plate 13, the supporting rod 14, the motor 15, the lower clamp 16, the box body 17, the filter element 18, the air outlet pipe 19, the fan 20, the dust hood 21, the mounting rod 22 and the mounting groove 23, so that the problems that the existing lithium ion battery groove rolling device is not convenient for stably supporting the lithium ion battery in the use and is easily caused to deform and influence the groove rolling quality of the lithium ion battery are solved, dust generated by the lithium ion battery rolling groove is not convenient to absorb, the processing environment is easy to pollute, and the health of workers is influenced.
When the device is used, a lithium ion battery is placed in the lower clamp 16, the second cylinder 7 drives the upper clamp 8 to move downwards to fix the lithium ion battery, after clamping is completed, the output shaft of the motor 15 is provided with the lower clamp 16 to rotate and drive the lithium ion battery to rotate, the first cylinder 12 extends out to drive the first connecting plate 4 and the second connecting plate 11 to move relatively, the first connecting plate 4 drives the grooved pulley 5 to roll the surface of the lithium ion battery, the second connecting plate 11 drives the clamp plate 9 to support the lithium ion battery, during the process of rolling the lithium ion battery, the fan 20 absorbs dust generated by the grooved pulley through the dust hood 21 and discharges the dust into the filter element 18, the filter element 18 filters the dust in the air, the filtered air is discharged through the air outlet, when the filter element 18 needs to be cleaned or replaced, the sealing door is opened, and the air outlet pipe 19 at the bottom of the filter element 18 is disassembled, the cartridge 18 is removed through the mounting stem 22 and mounting slot 23.
In summary, the following steps: this lithium ion battery slot rolling device, through plate body 1, slide bar 2, fixed plate 3, first connecting plate 4, fluting wheel 5, support frame 6, second cylinder 7, go up anchor clamps 8, splint 9, diaphragm 10, second connecting plate 11, first cylinder 12, backup pad 13, bracing piece 14, motor 15, lower anchor clamps 16, box 17, filter core 18, go out tuber pipe 19, fan 20, suction hood 21, the cooperation of installation pole 22 and mounting groove 23 is used, the in-process of current lithium ion battery slot rolling device using has been solved, be not convenient for carry out the stable support to lithium ion battery, cause lithium ion battery to take place deformation easily, influence lithium ion battery's slot rolling quality, be not convenient for carry out the dust absorption to the dust that lithium ion battery slot rolling produced, the easy processing environment that pollutes, influence the healthy problem of staff.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a lithium ion battery channelling device, includes plate body (1), its characterized in that: the plate comprises a plate body (1), a motor (15) is fixedly connected to the center of the bottom of the plate body (1), an output shaft of the motor (15) extends to the top of the plate body (1) and is fixedly connected with a lower clamp (16), support rods (14) are fixedly connected to two sides of the top of the plate body (1), a support plate (13) is fixedly connected to the top of the support rod (14), a fixed plate (3) is fixedly connected to the top of the support plate (13), a first air cylinder (12) is fixedly connected to one side, opposite to the fixed plate (3), of the first air cylinder (12), a first connecting plate (4) and a second connecting plate (11) are fixedly connected to one side, opposite to the first air cylinder (12), of the first connecting plate (4) and the second connecting plate (11), a sliding rod (2) is fixedly connected to the bottoms of the first connecting plate (4) and the second connecting plate (11), the bottom of the sliding rod (2) is movably connected to the top of the support plate (13), and a grooved wheel (5) is fixedly connected to the right side of the first connecting plate (4), the left side of the second connecting plate (11) is fixedly connected with a transverse plate (10), the left side of the transverse plate (10) is fixedly connected with a clamping plate (9), the rear side of the top of the plate body (1) is fixedly connected with a supporting frame (6), the top of the inner wall of the supporting frame (6) is fixedly connected with a second air cylinder (7), the bottom of the second air cylinder (7) is movably connected with an upper clamp (8) through a bearing, the bottom of the rear side of the supporting frame (6) is fixedly connected with a fan (20), the air inlet end of the fan (20) penetrates through the front of the supporting frame (6), the air inlet end of the fan (20) is communicated with a dust hood (21), the rear side of the dust hood (21) is fixedly connected with the front of the supporting frame (6), the air outlet end of the fan (20) is communicated with an air outlet pipe (19), the top of the rear side of the supporting frame (6) is fixedly connected with a box body (17), the top swing joint of box (17) inner chamber has filter core (18), the top of air-out pipe (19) runs through to the inner chamber of box (17) and communicates with the air inlet end of filter core (18).
2. The lithium ion battery channeling device of claim 1, wherein: the top of the supporting plate (13) is provided with a sliding groove, and the bottom of the sliding rod (2) extends to the inner cavity of the sliding groove and is movably connected with the inner wall of the sliding groove.
3. The lithium ion battery channeling device of claim 1, wherein: the four corners of the bottom of the plate body (1) are fixedly connected with supporting legs, and the bottoms of the supporting legs are fixedly connected with supporting feet.
4. The lithium ion battery channeling device of claim 1, wherein: the shape of splint (9) is the arc, the left side fixed mounting of plate body (1) bottom has the controller.
5. The lithium ion battery channeling device of claim 1, wherein: the right side of the box body (17) is provided with an air outlet, and the front side of the box body (17) is provided with a sealing door.
6. The lithium ion battery channeling device of claim 1, wherein: the top fixedly connected with installation pole (22) of filter core (18), mounting groove (23) have been seted up at the top of box (17) inner chamber, the top of installation pole (22) extends to the inner chamber of mounting groove (23) and rather than inner wall swing joint.
7. The lithium ion battery channeling device of claim 1, wherein: the plate body (1) is characterized in that a protective shell is fixedly connected to the center of the bottom of the plate body, and the motor (15) is located in an inner cavity of the protective shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022418600.3U CN214348884U (en) | 2020-10-27 | 2020-10-27 | Lithium ion battery slot rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022418600.3U CN214348884U (en) | 2020-10-27 | 2020-10-27 | Lithium ion battery slot rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214348884U true CN214348884U (en) | 2021-10-08 |
Family
ID=77969654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022418600.3U Expired - Fee Related CN214348884U (en) | 2020-10-27 | 2020-10-27 | Lithium ion battery slot rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214348884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401102A (en) * | 2022-08-17 | 2022-11-29 | 互赢科技(东莞)有限公司 | Cylindrical power battery steel shell channeling machine |
-
2020
- 2020-10-27 CN CN202022418600.3U patent/CN214348884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401102A (en) * | 2022-08-17 | 2022-11-29 | 互赢科技(东莞)有限公司 | Cylindrical power battery steel shell channeling machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |