CN109622725A - A kind of lithium battery pole ear blanking apparatus - Google Patents
A kind of lithium battery pole ear blanking apparatus Download PDFInfo
- Publication number
- CN109622725A CN109622725A CN201811395477.9A CN201811395477A CN109622725A CN 109622725 A CN109622725 A CN 109622725A CN 201811395477 A CN201811395477 A CN 201811395477A CN 109622725 A CN109622725 A CN 109622725A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- tab
- catch bar
- lug boss
- pole ear
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/10—Removing local distortions of specific articles made from sheet metal, e.g. mudguards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/002—Drive of the tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
- B30B1/261—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks by cams
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of lithium battery pole ear blanking apparatus, it is characterized by comprising racks, for placing the feeding platform of lithium battery, battery hold-down mechanism for compressing lithium battery ontology and the tab cutting mechanism for being used to flatten tab and shear, wherein, tab cutting mechanism includes the mounting rod being vertically fixedly installed, the top slide of mounting rod is provided with a catch bar, the lower end of catch bar is hinged with idler wheel, cutter is provided on catch bar, the lower end of mounting rod is provided with drive shaft, rotation is provided with control cam in drive shaft, the outer end of axle journal is arranged with dead ring, fastening screw is provided on dead ring, pushing part is outward extended on the outer wall of dead ring, it controls and is provided with driven column on the lateral surface of cam, idler wheel is contacted on control cam, the outer profile for controlling cam includes circular so that catch bar is in The low level contour segment of low level, the transition profile section that catch bar is lifted up, the circular shearing contour segment for making catch bar be in a high position.
Description
The application is application number 201710752813X, on 08 28th, 2017 applying date, a kind of denomination of invention " lithium battery
The divisional application of tab blanking apparatus ".
Technical field
The present invention relates to lithium battery production equipment technical field more particularly to a kind of lithium battery pole ear blanking apparatus.
Background technique
Soft package lithium battery is the third generation power lithium battery to grow up on the basis of original steel shell, aluminum hull, electric battery with plastic case
Pond, it is lighter, thinner with it, have extended cycle life, have a safety feature, energy density is high, discharge platform is stable, power-performance is outstanding,
The advantages such as environment friendly and pollution-free, and it is widely used in electric bicycle, battery-operated motor cycle, electric car, electric tool, electronic object for appreciation
The spare ups power of tool, solar photovoltaic generation system, wind generator system, mobile communication base station, large server, emergency are shone
The multiple fields such as bright, Portable mobile power source and mine safety appliance.
During the automated production of soft package lithium battery, the tab to lithium battery ontology is needed to shear, with shearing
Tab length needed for lithium battery ontology out, after having sheared tab.However, existing lithium battery pole ear shearing process generally uses people
The mode of work production, production efficiency are extremely low.
For this purpose, people devise the device that a kind of lithium battery cuts tab, the automatic shearing of tab is realized.For example, existing
The Chinese invention of Publication No. CN102569710B discloses " battery tab leveling dinking machine ", including pedestal, in the pedestal
It is equipped with upper bracket, the pedestal is equipped with lower leveling cutter fixing seat, adjustment module is equipped in fixing seat, is set in adjustment module
There are the first lower leveling cutter and the second lower leveling cutter, further includes the first guide rail, the second guide rail, connecting plate, tab leveling block, the
One upper cutter, the second upper cutter, link block, cylinder；Adjustment module is connect with pedestal, the first lower leveling cutter and the second lower leveling
Cutter passes through adjustment module and is fixedly connected in lower leveling cutter fixing seat, and tab, which flattens, is equipped with spring company between block and link block
It connects, the first upper cutter and the second upper cutter are mounted on tab leveling block rear portion, and are fixedly connected with link block, and the tab is whole
Plain block, the first upper cutter and the second upper cutter, which are connected on link block, to be integral, and first be passed through on connecting plate is led
Rail and the second guide rail are connected to upper bracket lower part, and upper bracket top is fixedly connected with cylinder, the described first lower leveling cutter and the
The one upper cutter edge of a knife is opposite；Described second lower leveling cutter is opposite with the second upper cutter edge of a knife.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to the status of the prior art, a kind of lithium battery pole ear punching dress is provided
It sets, realizes the automatic shearing of lithium battery pole ear.
The technical scheme of the invention to solve the technical problem is: a kind of lithium battery pole ear blanking apparatus, special
Sign is, comprising:
Rack, including upper backup pad, lower supporting plate and the supporting plate being set between upper backup pad and lower supporting plate；
Feeding platform is set on lower supporting plate, and the feeding groove for placing lithium battery, feeding are offered on the top surface of feeding platform
It is open out with the side wall of lithium battery pole ear side on slot；
Battery hold-down mechanism including the hold-down cylinder on upper backup pad of standing upside down, is set to the compact heap of hold-down cylinder output end, pressure
It is formed with protrusion compatible with the feeding groove on the downside of tight block, protrusion includes the ontology for compressing lithium battery ontology
Lug boss and tab lug boss for compressing lithium battery pole ear, difference in height between tab lug boss and ontology lug boss with
Difference in height between the lithium battery ontology and tab of lithium battery is identical, and one group of position and lithium electricity are offered on tab lug boss
Pond tab needs the corresponding cutting groove of cut-off part；
Tab cutting mechanism, is set to below lower supporting plate for the shearing to tab, including the mounting rod being vertically fixedly installed,
It is formed with lug boss at the top of mounting rod, sliding slot is vertically offered on lug boss, sliding is provided with a catch bar in sliding slot, pushes
The lower end of bar is hinged with an idler wheel, and the upper surface of catch bar forms compatible with the tab lug boss for carrying out to tab
The seal face of compression, the upper side of seal face are fitted with elastic strip, one group and the cutting are provided on the upper surface of catch bar
Slot is adapted the cutter for being cut off to tab, and the lower end lateral rotation of mounting rod is provided with a drive shaft, drive shaft
End is formed with axle journal, and rotation is provided with a control cam on axle journal, and the outer end of axle journal is arranged with a dead ring, sets on dead ring
Be equipped with fastening screw, be outward extended with a pushing part on the outer wall of dead ring, be provided on the lateral surface of the control cam from
Dynamic column, the idler wheel are contacted on control cam, and the outer profile of the control cam includes circular so that catch bar is in low
The low level contour segment of position, the transition profile section that catch bar is lifted up, the circular shearing for making catch bar be in a high position
Contour segment.
As an improvement, being provided with dumping cylinder below the lower supporting plate, the output end of dumping cylinder passes through the feeding platform
Feeding groove, by the way that dumping cylinder is arranged, after the completion of lithium battery shearing, dumping cylinder movement ejects lithium battery from feeding groove, is convenient for
Take out lithium battery after processing is completed.
It improves again, guide post is set between the upper backup pad and compact heap, compressed spring, compressed spring are provided on guide post
Buffer function is provided during compressing lithium battery ontology for compact heap, lithium battery is prevented to be subject to crushing.
Compared with the prior art, the advantages of the present invention are as follows: the present invention to be placed in lithium battery ontology the feeding groove of feeding platform
Interior, the tab of lithium battery is exposed to the outside of feeding platform, and hold-down cylinder stretches out, and compact heap is pressed into lithium battery ontology pressure in feeding groove
Tightly, it is same as lithium battery pole ear to be affixed at the tab lug boss of compact heap, then, tab cutting mechanism movement, drive shaft turns are driven
Moving axis drives dead ring rotation, and the pushing part on dead ring drives the driven column movement of control cam, in the rotation of control cam
In the process, in idler wheel and low level contour segment contact process, catch bar is in low-end trim, and cutter is located at below feeding groove, with
Control cam rotation, idler wheel and control cam transition profile section contact, control cam push catch bar slowly move up,
Seal face on catch bar, which moves upwards, is pressed in tab lug boss, realization tab is flattened, with, control cam after
Continuous rotation, idler wheel and the shearing contour segment controlled on cam contact, and catch bar pushes cutter to cut off tab, later, rolling
Wheel is contacted with the low level contour segment on control cam again, catch bar downlink, to realize the automatic of entire lithium battery pole ear
Leveling and shearing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of lithium battery pole ear blanking apparatus in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of tab cutting mechanism in Fig. 1；
Fig. 3 is the bottom view of compact heap in Fig. 1；
Fig. 4 is the top view of feeding platform and seal face in Fig. 1.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 4, the lithium battery pole ear blanking apparatus in this implementation, including rack 1, feeding platform 3, battery compress
Mechanism 2 and tab cutting mechanism 4.
Wherein, rack 1 include upper backup pad 11, lower supporting plate 13 and be set to upper backup pad 11 and lower supporting plate 13 it
Between supporting plate 12；Feeding platform 3 is set on lower supporting plate 13, is offered on the top surface of feeding platform 3 for placing lithium battery 6
Feeding groove 31, it is open out with the side wall of 62 side of lithium battery pole ear on feeding groove 31；Battery hold-down mechanism 2 includes standing upside down
Hold-down cylinder 21 on upper backup pad 11, the compact heap 22 for being set to 21 output end of hold-down cylinder, on the downside of compact heap 22
Compatible with the feeding groove 31 raised 221 are formed with, protrusion 221 includes the ontology protrusion for compressing lithium battery ontology 61
Portion 222 and tab lug boss 223 for compressing lithium battery pole ear 62, between tab lug boss 223 and ontology lug boss 222
Difference in height it is identical as the difference in height between the lithium battery ontology 61 of lithium battery 6 and tab 62, offered on tab lug boss 223
One group of position and the lithium battery pole ear 62 need the corresponding cutting groove 224 of cut-off part；Tab cutting mechanism 4, is set to down
For the shearing to tab 62 below support plate 13, including the mounting rod 44 being vertically fixedly installed, the top of mounting rod 44 is formed
There is lug boss 441, sliding slot is vertically offered on lug boss 441, is slided in sliding slot and is provided with a catch bar 45, under catch bar 45
End is hinged with an idler wheel 47, and the upper surface of catch bar 45 forms compatible with the tab lug boss 223 for tab 62
The seal face 451 compressed, the upper side of seal face 451 are fitted with elastic strip, are provided with one on the upper surface of catch bar 45
Group is adapted the cutter 46 for being cut off to tab 62 with the cutting groove 224, and the lower end lateral rotation of mounting rod 44 is set
It is equipped with a drive shaft 41, the end of drive shaft 41 is formed with axle journal, rotates on axle journal and be provided with a control cam 42, outside axle journal
End cap is equipped with a dead ring 43, is provided with fastening screw on dead ring 43, a pushing part is outward extended on the outer wall of dead ring
431, driven column 424 is provided on the lateral surface of the control cam 42, and the idler wheel 47 is contacted on control cam 42, described
The outer profile of control cam 42 includes the circular low level contour segment 421 for making catch bar 45 be in low level, makes catch bar 45
The transition profile section 422 that is lifted up circular makes catch bar 45 be in high-order shearing contour segment 423.
In addition, being provided with dumping cylinder 5 below lower supporting plate 13, the output end of dumping cylinder 5 passes through the feeding of the feeding platform 3
Slot 31, by the way that dumping cylinder 5 is arranged, after the completion of lithium battery 6 is sheared, the movement of dumping cylinder 5 ejects lithium battery 6 from feeding groove 31,
Convenient for taking out lithium battery 6 after processing is completed.
In addition, guide post 23 is arranged between upper backup pad 11 and compact heap 22, it is provided with compressed spring 24 on guide post 23, is compressed
Spring 24 is that compact heap 22 provides buffer function during compressing lithium battery ontology 61, and lithium battery 6 is prevented to be subject to crushing.
To sum up, lithium battery ontology 61 is placed in the feeding groove 31 of feeding platform 3 by the present invention, and the tab 62 of lithium battery 6 is exposed to
The outside of feeding platform 3, hold-down cylinder 21 stretch out, and compact heap 22 is pressed into feeding groove 31 and compresses lithium battery ontology 61, are same as lithium electricity
Pond tab 62 is affixed at the tab lug boss 223 of compact heap 22, and then, tab cutting mechanism 4 acts, and drive shaft 41 rotates, and is driven
Moving axis 41 drives dead ring 43 to rotate, and the pushing part 431 on dead ring 43 drives the driven column 424 of control cam 42 to move,
In the rotation process for controlling cam 42, in 421 contact process of idler wheel 47 and low level profile, catch bar 45 is in low-end trim,
Cutter 46 is located at 224 lower section of feeding groove, as control cam 42 rotates, the transition profile section contact of idler wheel 47 and control cam 42
422, control cam 42 pushes catch bar 45 slowly to move up, and the seal face 451 on catch bar 45, which moves upwards, is pressed in pole
Ear lug boss 223, realization flatten tab 62, as control cam 42 continues to rotate, idler wheel 47 and control cam 42
On shearing contour segment 423 contact, catch bar 45 push cutter 46 tab 62 is cut off, later, idler wheel 47 again and control
Low level contour segment 421 on cam 42 processed contacts, 45 downlink of catch bar, to realize the automatic whole of entire lithium battery pole ear 62
Gentle shearing.
Claims (1)
1. a kind of lithium battery pole ear blanking apparatus characterized by comprising
Rack (1), including upper backup pad (11), lower supporting plate (13) and it is set to upper backup pad (11) and lower supporting plate (13)
Between supporting plate (12)；
Feeding platform (3) is set on lower supporting plate (13), is offered on the top surface of feeding platform (3) for placing lithium battery (6)
Feeding groove (31), it is open out with the side wall of lithium battery pole ear (62) side on feeding groove (31)；
Battery hold-down mechanism (2), including the hold-down cylinder (21) on upper backup pad (11) of standing upside down, to be set to hold-down cylinder (21) defeated
The compact heap (22) of outlet is formed with the compatible protrusion (221) with the feeding groove (31) on the downside of compact heap (22),
Raised (221) include ontology lug boss (222) for compressing lithium battery ontology (61) and for compressing lithium battery pole ear
(62) difference in height and lithium battery (6) between raised (222) portion of tab lug boss (223), tab lug boss (223) and ontology
Lithium battery ontology (61) and tab (62) between difference in height it is identical, offered on tab lug boss (223) one group of position with
The lithium battery pole ear (62) needs the corresponding cutting groove of cut-off part (224)；
Tab cutting mechanism (4) is set to for the shearing to tab (62) below lower supporting plate (13), including vertically fixation is set
The mounting rod (44) set is formed with lug boss (441) at the top of mounting rod (44), and lug boss vertically offers sliding slot on (441),
Sliding is provided with a catch bar (45) in sliding slot, and the lower end of catch bar (45) is hinged with an idler wheel (47), catch bar (45) it is upper
End face is formed and the compatible seal face (451) for being compressed to tab (62) of the tab lug boss (223), compression
The upper side in face (451) is fitted with elastic strip, and one group and the cutting groove (223) phase are provided on the upper surface of catch bar (45)
It is adapted for the cutter (46) cut off to tab (62), the lower end lateral rotation of mounting rod (44) is provided with a drive shaft
(41), the end of drive shaft (41) is formed with axle journal, and rotation is provided with a control cam (42) on axle journal, and the outer end of axle journal is arranged
Have a dead ring (43), fastening screw is provided on dead ring (43), is outward extended with a promotion on the outer wall of dead ring (43)
Portion (431), it is described control cam (42) lateral surface on be provided with driven column (424), the idler wheel (47) be contacted with control it is convex
It takes turns on (42), the outer profile of control cam (42) includes the circular low level contour segment for making catch bar (45) be in low level
(421), the transition profile section (422) that is lifted up catch bar (45) circular makes catch bar (45) to be in high-order
It shears contour segment (423)；
It is provided with dumping cylinder (5) below the lower supporting plate (13), the output end of dumping cylinder (5) passes through the feeding platform (3)
Feeding groove (31)；Guide post (23) are set between the upper backup pad (13) and compact heap (22), guide post is provided with compression on (23)
Spring (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395477.9A CN109622725A (en) | 2017-08-28 | 2017-08-28 | A kind of lithium battery pole ear blanking apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811395477.9A CN109622725A (en) | 2017-08-28 | 2017-08-28 | A kind of lithium battery pole ear blanking apparatus |
| CN201710752813.XA CN107716691B (en) | 2017-08-28 | 2017-08-28 | A kind of lithium battery pole ear blanking apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710752813.XA Division CN107716691B (en) | 2017-08-28 | 2017-08-28 | A kind of lithium battery pole ear blanking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109622725A true CN109622725A (en) | 2019-04-16 |
Family
ID=61204715
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811395477.9A Withdrawn CN109622725A (en) | 2017-08-28 | 2017-08-28 | A kind of lithium battery pole ear blanking apparatus |
| CN201710752813.XA Active CN107716691B (en) | 2017-08-28 | 2017-08-28 | A kind of lithium battery pole ear blanking apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710752813.XA Active CN107716691B (en) | 2017-08-28 | 2017-08-28 | A kind of lithium battery pole ear blanking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109622725A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390030A (en) * | 2020-03-14 | 2020-07-10 | 郑建 | Lithium battery pole piece stamping die |
| CN111389995A (en) * | 2020-03-14 | 2020-07-10 | 郑建 | Transverse punching device for lithium battery tab |
| CN111438248A (en) * | 2020-03-14 | 2020-07-24 | 郑建 | Transverse stamping method for lithium battery tab |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711823B (en) * | 2019-10-25 | 2020-11-17 | 乐清泰起知识产权服务有限公司 | Auxiliary transferring device for hardware machining with automatic discharging function after stamping |
| CN111389996A (en) * | 2020-03-14 | 2020-07-10 | 郑建 | Lithium battery pole piece stamping method |
| CN111389994B8 (en) * | 2020-03-14 | 2022-08-05 | 国网湖北省电力有限公司孝感供电公司 | Lithium-ion battery pole piece shaping and blanking device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4013275B2 (en) * | 1997-02-21 | 2007-11-28 | 宇部興産株式会社 | Lithium foil processing equipment |
| CN204295771U (en) * | 2014-12-19 | 2015-04-29 | 山东衡远新能源科技有限公司 | Lithium ion cell polar ear automatic cutting device |
| CN205104559U (en) * | 2015-10-12 | 2016-03-23 | 江苏华富储能新技术股份有限公司 | A processing apparatus for soft package lithium -ion battery utmost point ear |
| CN205231197U (en) * | 2015-12-15 | 2016-05-11 | 国联汽车动力电池研究院有限责任公司 | Soft package lithium -ion battery utmost point ear plastic equipment |
| CN205928893U (en) * | 2016-07-06 | 2017-02-08 | 厦门宝龙新能源发展有限公司 | Ultra -thin type polymer lithium ion battery electricity core utmost point ear blanking frock |
| CN206076376U (en) * | 2016-09-14 | 2017-04-05 | 承德奥斯力特电子科技有限公司 | A kind of polymer battery lug shear |
-
2017
- 2017-08-28 CN CN201811395477.9A patent/CN109622725A/en not_active Withdrawn
- 2017-08-28 CN CN201710752813.XA patent/CN107716691B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390030A (en) * | 2020-03-14 | 2020-07-10 | 郑建 | Lithium battery pole piece stamping die |
| CN111389995A (en) * | 2020-03-14 | 2020-07-10 | 郑建 | Transverse punching device for lithium battery tab |
| CN111438248A (en) * | 2020-03-14 | 2020-07-24 | 郑建 | Transverse stamping method for lithium battery tab |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107716691A (en) | 2018-02-23 |
| CN107716691B (en) | 2019-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190416 |
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| WW01 | Invention patent application withdrawn after publication |