CN111129601A - Pneumatic control clamp - Google Patents
Pneumatic control clamp Download PDFInfo
- Publication number
- CN111129601A CN111129601A CN201911197001.9A CN201911197001A CN111129601A CN 111129601 A CN111129601 A CN 111129601A CN 201911197001 A CN201911197001 A CN 201911197001A CN 111129601 A CN111129601 A CN 111129601A
- Authority
- CN
- China
- Prior art keywords
- driving cylinder
- sheet
- test cavity
- plate
- battery
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002788 crimping Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
Abstract
A pneumatically controlled clamp comprising: the frame body is provided with a test cavity, and the front part of the test cavity is provided with an inlet and an outlet for the battery to enter and exit; the power device comprises a driving cylinder and a pressing plate assembly, the driving cylinder is suspended at the top of the frame body, and the telescopic end of the driving cylinder penetrates through the top of the frame body and extends into the test cavity; the pressing plate assembly is arranged at the telescopic end of the driving cylinder, so that the pressing plate assembly is driven by the driving cylinder to vertically lift in the test cavity; the lug contact device is arranged on the inner bottom surface of the test cavity and comprises a voltage sheet and a current sheet, a voltage contact area is arranged on the surface of the voltage sheet, and a current contact area is arranged on the surface of the current sheet; the voltage sheet and the current sheet are respectively and electrically connected with the testing end of the charging and discharging power supply through corresponding wires and are used for realizing charging and discharging operations of the battery placed in the test cavity. The invention has the beneficial effects that: the replacement operation is convenient, the crimping reliability is high, the overcurrent capacity is strong, and the device is suitable for large-capacity charging and discharging of various types of soft package batteries.
Description
Technical Field
The invention relates to a pneumatic control clamp, in particular to a 500A pneumatic control clamp, and belongs to the technical field of manufacturing of lithium battery testing equipment.
Background
In the production process of the lithium battery, the capacity grading is an important process. The capacity grading is to carry out several full-load charge and discharge circulation processes on the activated battery and test the internal resistance and the charge and discharge capacity of the lithium battery. In the actual capacity grading test, different currents can be adopted for the capacity grading test, the large current capacity grading is adopted, the capacity grading time of the battery is short, and the small current capacity grading can be very long. For a high-capacity lithium battery, large current capacity grading is necessary, time can be saved, and test efficiency can be improved. Therefore, the requirement of the clamp for connecting the tabs is very high due to large-current capacity grading. At present, the existing clamp generally has the defects of inconvenient operation, low automation degree, small overcurrent capacity and the like.
Disclosure of Invention
In order to solve the problems, the invention provides the pneumatic control clamp which is convenient to replace, high in crimping reliability and strong in overcurrent capacity and is suitable for high-capacity charging and discharging of various types of soft package batteries.
The invention relates to a pneumatic control clamp, which is characterized by comprising:
the frame body is provided with a test cavity, and the front part of the test cavity is provided with an inlet and an outlet for the battery to enter and exit, so as to accommodate the battery and charge and discharge the battery;
the power device comprises a driving cylinder and a pressing plate assembly, the driving cylinder is suspended at the top of the frame body, and the telescopic end of the driving cylinder penetrates through the top of the frame body and extends into the test cavity; the pressing plate assembly is arranged at the telescopic end of the driving cylinder, so that the pressing plate assembly is driven by the driving cylinder to vertically lift in the test cavity;
the lug contact device is arranged on the inner bottom surface of the test cavity and comprises a voltage sheet and a current sheet, the surface of the voltage sheet is provided with a voltage contact area which can be in contact connection with the battery lug, and the surface of the current sheet is provided with a current contact area which can be in contact connection with the battery lug; the voltage sheet and the current sheet are respectively and electrically connected with the testing end of the charging and discharging power supply through corresponding wires and are used for realizing charging and discharging operations of the battery placed in the test cavity.
The frame body is made of insulating materials and comprises a bottom plate, a left supporting plate, a right supporting plate and a top plate, wherein the bottom plate is a basic component and is made of insulating materials and used for supporting other components of the pneumatic control clamp; the left supporting plate and the right supporting plate are respectively fixed on the bottom plate just opposite to the installation, the top plate frame is arranged on the left supporting plate and the right supporting plate, and the bottom plate, the left supporting plate, the right supporting plate and the top plate jointly enclose a test cavity.
The driving cylinder provides power for the whole clamp, is suspended on the top plate, and extends into the test cavity after penetrating through the mounting hole of the top plate, and the telescopic end of the driving cylinder can be lifted along the longitudinal direction; the pressing plate assembly is arranged at the telescopic end of the driving cylinder, and the battery arranged in the test cavity is compressed or loosened through the longitudinal height of the pressing plate assembly, so that the contact or the loosening of the battery tab and the tab contact device is realized.
The pressing plate assembly comprises an upper pressing plate, a guide shaft and a silica gel sheet, and the upper pressing plate is mounted at the telescopic end of the driving cylinder and is suspended right above the lug contact device; the silica gel sheet is attached to the lower end face, facing the lug contact device, of the upper pressing plate; the lower end of the guide shaft is fixedly connected with the upper end face of the upper pressure plate, and the upper end of the guide shaft penetrates out of the guide hole of the top plate, so that the moving direction of the upper pressure plate is ensured.
And a gap is reserved between the voltage sheet and the current sheet.
The voltage contact area of the voltage sheet is in a sawtooth shape.
The current contact area of the current sheet is in a sawtooth shape.
The front part of the right supporting plate is provided with a U-shaped notch.
The invention has the beneficial effects that: the replacement operation is convenient, the crimping reliability is high, the overcurrent capacity is strong, and the device is suitable for large-capacity charging and discharging of various types of soft package batteries.
Drawings
FIG. 1 is a block diagram of a pneumatically controlled clamp of the present invention;
FIG. 2 is a front view of the structure of the pneumatically controlled clamp of the present invention (in the unclamped state);
FIG. 3 is a front view of the structure of the pneumatic control jig of the present invention (clamped state);
FIG. 4 is a top view of a structural view of the pneumatically controlled clamp of the present invention;
FIG. 5 is a left side view of the construction of the pneumatically controlled clamp of the present invention;
fig. 6 is a diagram of a current sheet structure of the pneumatic control jig of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
With reference to the accompanying drawings:
embodiment 1 a pneumatic control jig according to the present invention includes:
the frame body is provided with a test cavity, and the front part of the test cavity is provided with an inlet and an outlet for the battery to enter and exit, so as to accommodate the battery and charge and discharge the battery;
the power device comprises a driving cylinder 5 and a pressing plate assembly, the driving cylinder 5 is suspended at the top of the frame body, and the telescopic end of the driving cylinder 5 penetrates through the top of the frame body and extends into the test cavity; the pressing plate assembly is arranged at the telescopic end of the driving cylinder 5, so that the pressing plate assembly is driven by the driving cylinder to vertically lift in the test cavity;
the tab contact device is arranged on the inner bottom surface of the test cavity and comprises a voltage sheet 9 and a current sheet 10, a voltage contact area capable of being in contact connection with the battery tab is arranged on the surface of the voltage sheet 9, and a current contact area capable of being in contact connection with the battery tab is arranged on the surface of the current sheet 10; the voltage sheet 9 and the current sheet 10 are respectively and electrically connected with the testing end of the charging and discharging power supply through corresponding leads, and are used for realizing charging and discharging operations of the battery placed in the test cavity.
The frame body is made of insulating materials and comprises a bottom plate 1, a left supporting plate 2, a right supporting plate 3 and a top plate 4, wherein the bottom plate 1 is a basic component made of insulating materials and used for supporting other components of the pneumatic control clamp; left branch fagging 2 and right branch fagging 3 are just to the installation respectively and fix on bottom plate 1, and roof 4 erects and adorn on left branch fagging 2 and right branch fagging 3, and bottom plate 1, left branch fagging 2, right branch fagging 3 and roof 4 enclose into the test chamber jointly.
The driving cylinder 5 provides power for the whole clamp, is suspended on the top plate 4, and the telescopic end of the driving cylinder 5 penetrates through the mounting hole of the top plate and then extends into the test cavity, and the telescopic end of the driving cylinder 5 can lift along the longitudinal direction; the pressing plate assembly is arranged at the telescopic end of the driving cylinder 5, and the battery arranged in the test cavity is compressed or loosened through the longitudinal height of the pressing plate assembly, so that the contact or the loosening of the battery pole lug and the pole lug contact device is realized.
The pressing plate assembly comprises an upper pressing plate 7, a guide shaft 6 and a silica gel sheet 8, wherein the upper pressing plate 7 is installed at the telescopic end of the driving cylinder 5 and is suspended right above the lug contact device; the silica gel sheet 8 is attached to the lower end face, facing the lug contact device, of the upper pressing plate 7; the lower end of the guide shaft 6 is fixedly connected with the upper end face of the upper pressure plate 7, and the upper end of the guide shaft 6 penetrates out of the guide hole of the top plate 4, so that the moving direction of the upper pressure plate 7 is ensured.
A gap is left between the voltage sheet 9 and the current sheet 10.
The voltage contact area of the voltage sheet is in a sawtooth shape.
The current contact area of the current sheet is in a sawtooth shape.
The front part of the right supporting plate 3 is provided with a U-shaped notch 31.
The pneumatic control clamp has the advantage that the passable test current is 500A.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but includes equivalent technical means as would be recognized by those skilled in the art based on the inventive concept.
Claims (8)
1. A pneumatically controlled clamp, comprising:
the frame body is provided with a test cavity, and the front part of the test cavity is provided with an inlet and an outlet for the battery to enter and exit, so as to accommodate the battery and charge and discharge the battery;
the power device comprises a driving cylinder and a pressing plate assembly, the driving cylinder is suspended at the top of the frame body, and the telescopic end of the driving cylinder penetrates through the top of the frame body and extends into the test cavity; the pressing plate assembly is arranged at the telescopic end of the driving cylinder, so that the pressing plate assembly is driven by the driving cylinder to vertically lift in the test cavity;
the lug contact device is arranged on the inner bottom surface of the test cavity and comprises a voltage sheet and a current sheet, the surface of the voltage sheet is provided with a voltage contact area which can be in contact connection with the battery lug, and the surface of the current sheet is provided with a current contact area which can be in contact connection with the battery lug; the voltage sheet and the current sheet are respectively and electrically connected with the testing end of the charging and discharging power supply through corresponding wires and are used for realizing charging and discharging operations of the battery placed in the test cavity.
2. A pneumatically controlled clamp as recited in claim 1, further comprising: the frame body comprises a bottom plate, a left supporting plate, a right supporting plate and a top plate, wherein the bottom plate is a basic component and is made of an insulating material and used for supporting other components of the pneumatic control clamp; the left supporting plate and the right supporting plate are respectively fixed on the bottom plate just opposite to the installation, the top plate frame is arranged on the left supporting plate and the right supporting plate, and the bottom plate, the left supporting plate, the right supporting plate and the top plate jointly enclose a test cavity.
3. A pneumatically controlled clamp as claimed in claim 2, wherein: the driving cylinder provides power for the whole clamp, is suspended on the top plate, and extends into the test cavity after penetrating through the mounting hole of the top plate, and the telescopic end of the driving cylinder can be lifted along the longitudinal direction; the pressing plate assembly is arranged at the telescopic end of the driving cylinder, and the battery arranged in the test cavity is compressed or loosened through the longitudinal height of the pressing plate assembly, so that the contact or the loosening of the battery tab and the tab contact device is realized.
4. A pneumatically controlled clamp as claimed in claim 3, wherein: the pressing plate assembly comprises an upper pressing plate, a guide shaft and a silica gel sheet, and the upper pressing plate is mounted at the telescopic end of the driving cylinder and is suspended right above the lug contact device; the silica gel sheet is attached to the lower end face, facing the lug contact device, of the upper pressing plate; the lower end of the guide shaft is fixedly connected with the upper end face of the upper pressure plate, and the upper end of the guide shaft penetrates out of the guide hole of the top plate, so that the moving direction of the upper pressure plate is ensured.
5. A pneumatically controlled clamp as recited in claim 1, further comprising: and a gap is reserved between the voltage sheet and the current sheet.
6. A pneumatically controlled clamp as claimed in claim 5, wherein: the voltage contact area of the voltage sheet is in a sawtooth shape.
7. A pneumatically controlled clamp as claimed in claim 5, wherein: the current contact area of the current sheet is in a sawtooth shape.
8. A pneumatically controlled clamp as claimed in claim 2, wherein: the front part of the right supporting plate is provided with a U-shaped notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197001.9A CN111129601A (en) | 2019-11-29 | 2019-11-29 | Pneumatic control clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197001.9A CN111129601A (en) | 2019-11-29 | 2019-11-29 | Pneumatic control clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111129601A true CN111129601A (en) | 2020-05-08 |
Family
ID=70497321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911197001.9A Pending CN111129601A (en) | 2019-11-29 | 2019-11-29 | Pneumatic control clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111129601A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015032112A1 (en) * | 2013-09-03 | 2015-03-12 | 深圳市赢合科技股份有限公司 | Tab preparing device and cell winding apparatus having same |
| CN107219817A (en) * | 2017-07-21 | 2017-09-29 | 浙江杭可科技股份有限公司 | Cylinder mode hot pressing battery formation clamp system |
| KR20170142367A (en) * | 2016-06-17 | 2017-12-28 | (주)에이치엔티 | Battery formation gripper |
| CN108318714A (en) * | 2018-02-02 | 2018-07-24 | 浙江杭可科技股份有限公司 | High current grip device |
| CN208904149U (en) * | 2018-10-15 | 2019-05-24 | 广州擎天实业有限公司 | A kind of the battery pole ear clamping device and polymer battery component capacitive equipment of polymer battery |
| CN110208699A (en) * | 2019-06-28 | 2019-09-06 | 深圳市新威尔电子有限公司 | Lithium battery test fixture |
| CN211045630U (en) * | 2019-11-29 | 2020-07-17 | 浙江杭可科技股份有限公司 | Pneumatic control clamp |
-
2019
- 2019-11-29 CN CN201911197001.9A patent/CN111129601A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015032112A1 (en) * | 2013-09-03 | 2015-03-12 | 深圳市赢合科技股份有限公司 | Tab preparing device and cell winding apparatus having same |
| KR20170142367A (en) * | 2016-06-17 | 2017-12-28 | (주)에이치엔티 | Battery formation gripper |
| CN107219817A (en) * | 2017-07-21 | 2017-09-29 | 浙江杭可科技股份有限公司 | Cylinder mode hot pressing battery formation clamp system |
| CN108318714A (en) * | 2018-02-02 | 2018-07-24 | 浙江杭可科技股份有限公司 | High current grip device |
| CN208904149U (en) * | 2018-10-15 | 2019-05-24 | 广州擎天实业有限公司 | A kind of the battery pole ear clamping device and polymer battery component capacitive equipment of polymer battery |
| CN110208699A (en) * | 2019-06-28 | 2019-09-06 | 深圳市新威尔电子有限公司 | Lithium battery test fixture |
| CN211045630U (en) * | 2019-11-29 | 2020-07-17 | 浙江杭可科技股份有限公司 | Pneumatic control clamp |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |