CN108417920B - Power battery formation negative pressure equipment - Google Patents
Power battery formation negative pressure equipment Download PDFInfo
- Publication number
- CN108417920B CN108417920B CN201810235865.4A CN201810235865A CN108417920B CN 108417920 B CN108417920 B CN 108417920B CN 201810235865 A CN201810235865 A CN 201810235865A CN 108417920 B CN108417920 B CN 108417920B
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- Prior art keywords
- tray
- bottom plate
- negative pressure
- probe
- cavity
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
- H01M10/04—Construction or manufacture in general
-
- 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)
- Secondary Cells (AREA)
- Primary Cells (AREA)
Abstract
The power battery formation negative pressure equipment comprises an outer frame for supporting, a cavity capable of forming negative pressure and a pneumatic element for controlling the opening and closing of the cavity, wherein the cavity and the pneumatic element are both arranged in the outer frame, and a suction nozzle capable of communicating with an external vacuum pump is arranged at the top of the cavity; the outer frame comprises a bottom plate, a top frame, a vertical guide rod and a tray bottom plate; the cavity comprises a probe fixing plate used as a cavity sealing cover, a tray used as a cavity sealing cover and used for containing the power battery, a probe used for contacting with an electrode of the power battery in the tray and a probe mounting plate used for fixing the probe; the pneumatic element is a linear cylinder vertically and fixedly arranged on the bottom surface of the outer frame and is used for controlling the contact and separation between a tray arranged on the tray bottom plate and the probe fixing plate. The beneficial effects of the invention are as follows: the negative pressure value of each battery in the cavity is kept consistent, the negative pressure is kept stable, and the sealing performance is good.
Description
Technical Field
The invention relates to power battery formation negative pressure equipment, and belongs to the technical field of battery manufacturing equipment.
Background
When the negative pressure is generated, if a contact failure occurs between the liquid injection hole of the battery and the negative pressure suction nozzle of the negative pressure generating device, the negative pressure of the battery cannot be properly controlled. The contact failure is mainly caused by dust or electrolyte accumulating in the tip of the negative pressure suction nozzle.
In addition, the negative pressure suction nozzle of the existing formation equipment is complex in cleaning and difficult to clean. After cleaning, negative pressure accuracy control cannot be properly performed inside the battery.
Therefore, the negative pressure equipment is improved at present, the accurate negative pressure control can be carried out on the inside of the battery, the negative pressure suction nozzle is not required to be cleaned basically, the cross contamination of the suction nozzle of the equipment during cleaning is avoided, and the production efficiency of the equipment is improved.
Disclosure of Invention
In order to solve the problems, the invention provides a negative pressure forming device for the power battery, which realizes the control of the negative pressure of the power battery by adopting a cavity type negative pressure for a power battery tray, has good sealing performance and greatly reduces the defective rate of the formation of the primary power battery
The invention relates to a power battery formation negative pressure device, which is characterized in that: the device comprises an outer frame for supporting, a cavity capable of forming negative pressure and a pneumatic element for controlling the opening and closing of the cavity, wherein the cavity and the pneumatic element are both arranged in the outer frame, and a suction nozzle capable of communicating with an external vacuum pump is arranged at the top of the cavity;
the outer frame comprises a bottom plate, a top frame, vertical guide rods and a tray bottom plate, wherein the top frame and the bottom plate are horizontally arranged through a plurality of vertical guide rods, the top frame is fixedly connected with the upper ends of the vertical guide rods, and the bottom plate is fixedly connected with the lower ends of the vertical guide rods; the tray bottom plate is clamped between the top frame and the bottom plate and is in sliding connection with the vertical guide rod;
the cavity comprises a probe fixing plate serving as a cavity sealing cover, a tray serving as a cavity sealing cover and used for containing a power battery, a probe used for contacting with an electrode of the power battery in the tray and a probe mounting plate used for fixing the probe, wherein the probe fixing plate is horizontally and fixedly arranged on a mounting seat on the bottom surface of the top frame, the probe fixing plate is provided with an air suction port used for ventilation and a plurality of sealing wiring holes used for penetrating through a conducting wire, and a suction nozzle is hermetically arranged at the air suction port; the probe mounting plate is fixedly arranged on the lower end face of the probe fixing plate, and a plurality of sealing wire guide holes which can correspond to the sealing wire guide holes one by one are distributed on the probe mounting plate; the fixed ends of the probes are vertically arranged on the lower end face of the probe mounting plate, the probes are arranged in pairs, a pair of probes correspond to the anode and the cathode of a power battery, the leads of the probes sequentially penetrate through the sealed wire guide hole and then are electrically connected with an external power supply, and the contact ends of the probes point to a tray bottom plate positioned right below the probes; the tray is a box body with an open upper end, and when the upper edge of the tray is in sealing contact with the probe fixing plate, the upper edge of the tray and the probe fixing plate are spliced together to form a sealing cavity capable of forming negative pressure;
the pneumatic element is a linear cylinder vertically and fixedly arranged on the bottom surface of the outer frame, and the lifting end of the pneumatic element vertically reciprocates up and down; the lifting end of the linear cylinder is fixedly connected with the tray bottom plate and used for controlling the contact and separation of the tray arranged on the tray bottom plate and the probe fixing plate.
The bottom plate in the tray is uniformly distributed with a plurality of guide grooves which can be vertically inserted into the power battery, and when the power battery is placed in the guide grooves, the lugs of the battery are in contact connection with the contact ends of the probes which are suspended above the tray.
The bottom surface of the probe fixing plate is embedded with a circle of sealing strips which can be in sealing contact with the upper edge of the tray along the circumferential direction of the probe fixing plate.
The tray bottom plate is provided with a plurality of installation through holes which can be in one-to-one correspondence with the vertical guide rods, a shaft sleeve which can be sleeved on the corresponding vertical guide rod is embedded in each installation through hole, the shaft sleeve is clamped on the bottom surface of the tray bottom plate through a shoulder at the bottom end of the shaft sleeve, the upper end of the shaft sleeve penetrates out of the installation through hole, and the shaft sleeve is in clearance fit with the vertical guide rods to realize horizontal sliding connection of the tray bottom plate and the guide rods.
Two guide blocks used for limiting the position of the tray are arranged on the tray bottom plate and are arranged in parallel.
The tray is characterized in that a plurality of lower guide pins for positioning the tray bottom plate are vertically arranged on the bottom plate, and the upper ends of the lower guide pins penetrate out of guide holes of the tray bottom plate.
And a plurality of upper guide pins for positioning the probe fixing plate are vertically arranged on the inner bottom surface of the top frame, and the upper guide pins are clamped at the outer edge of the probe fixing plate.
The invention adopts cavity type negative pressure for the power battery tray. The sealing strip has the sealing function after the probe plate and the tray are pressed together. The probe plate is formed by a plurality of probes and is used for contacting the anode and the cathode of the power battery, and the pneumatic element pushes the tray to perform up-and-down actions so as to realize the lamination and the opening of the probe plate and the tray.
The beneficial effects of the invention are as follows: the power battery formation negative pressure equipment realizes the control of the negative pressure of the power battery by adopting cavity type negative pressure for the power battery tray, has good tightness and greatly reduces the reject ratio of the formation of the primary power battery. The outer frame and the tray can be used for placing the power battery. The sealing ring is arranged at the sealing position of the outer frame and on the end face of the probe fixing plate. The pneumatic pressing outer frame enables the pneumatic pressing outer frame to form a sealing environment, so that an accurate negative pressure state is formed through control of a negative pressure suction hole of the mechanism part, and the advantages of consistent negative pressure value of each battery in the cavity, stable negative pressure maintaining and good sealing performance are achieved.
Drawings
FIG. 1 is a schematic diagram of a negative pressure chemical forming apparatus of the present invention.
Fig. 2 is a front view of the chemical negative pressure apparatus of the present invention.
Fig. 3 is a cross-sectional view of the negative pressure forming apparatus of the present invention.
Detailed Description
The invention is further described below with reference to the drawings.
Referring to the drawings:
embodiment 1 the invention relates to a power battery formation negative pressure device, which comprises an outer frame 1 for supporting, a cavity 2 capable of forming negative pressure and a pneumatic element 3 for controlling the opening and closing of the cavity, wherein the cavity 2 and the pneumatic element 3 are both arranged in the outer frame 1, and a suction nozzle 4 capable of communicating with an external vacuum pump is arranged at the top of the cavity 2;
the outer frame 1 comprises a bottom plate 11, a top frame 12, vertical guide rods 13 and a tray bottom plate 14, wherein the top frame 12 and the bottom plate 11 are horizontally arranged through a plurality of vertical guide rods 13, the top frame 12 is fixedly connected with the upper ends of the vertical guide rods 13, and the bottom plate 11 is fixedly connected with the lower ends of the vertical guide rods 13; the tray bottom plate 14 is clamped between the top frame 12 and the bottom plate and is in sliding connection with the vertical guide rod 13;
the cavity 2 comprises a probe fixing plate 21 serving as a cavity sealing cover, a tray 22 serving as a cavity sealing cover and containing a power battery, a probe 23 used for contacting with a power battery electrode in the tray and a probe mounting plate 24 used for fixing the probe, wherein the probe fixing plate 21 is horizontally and fixedly arranged on a mounting seat on the bottom surface of the top frame 12, the probe fixing plate 21 is provided with an air suction port used for ventilation and a plurality of sealing wiring holes 211 for penetrating through a conducting wire, and a suction nozzle 4 is hermetically arranged at the air suction port; the probe mounting plate 24 is fixedly mounted on the lower end surface of the probe fixing plate 21, and a plurality of sealing wire holes which can be in one-to-one correspondence with the sealing wire holes 211 are distributed on the probe mounting plate 24; the fixed ends of the probes 23 are vertically arranged on the lower end surface of the probe mounting plate 24, the probes 23 are arranged in pairs, wherein a pair of probes 23 corresponds to the anode and the cathode of one power battery 5, the leads of the probes 23 sequentially penetrate through the sealed wire guide hole and then are electrically connected with an external power supply, and the contact ends of the probes 23 point to the probe mounting plate 24 positioned right below the probes; the tray 22 is a box body with an open upper end, and when the upper edge of the tray 22 is in sealing contact with the probe fixing plate 21, the two are spliced together to form a negative pressure sealing cavity;
the pneumatic element 3 is a linear cylinder vertically and fixedly arranged on the bottom surface of the outer frame, and the lifting end of the pneumatic element vertically reciprocates up and down; the lifting end of the linear cylinder is fixedly connected with the tray bottom plate and used for controlling the contact and separation of the tray arranged on the tray bottom plate and the probe fixing plate.
The bottom plate in the tray 22 is uniformly distributed with a plurality of guide grooves which can be vertically inserted into the power batteries, and when the power batteries are placed in the guide grooves, the electrodes of the batteries are in contact connection with the contact ends of the probes which are suspended above the tray.
The bottom surface of the probe fixing plate 21 is embedded with a circle of sealing strips 212 which can be in sealing contact with the upper edge of the tray along the circumferential direction.
The tray bottom plate 14 is provided with a plurality of mounting through holes which can be in one-to-one correspondence with the vertical guide rods 13, each mounting through hole is embedded with a shaft sleeve 141 which can be sleeved on the corresponding vertical guide rod, the shaft sleeve 141 is clamped on the bottom surface of the tray bottom plate 14 through a shoulder at the bottom end of the shaft sleeve 141, the upper end of the shaft sleeve penetrates out of the mounting through hole, and the shaft sleeve 141 is in clearance fit with the vertical guide rods 13 to realize horizontal sliding connection of the tray bottom plate 14 and the vertical guide rods 13.
The tray bottom plate 14 is provided with two guide blocks 142 for limiting the tray position, and the two guide blocks are arranged in parallel.
A plurality of lower guide pins 111 for positioning the tray bottom plate are vertically installed on the bottom plate 11, wherein the upper ends of the lower guide pins 111 penetrate through guide holes of the tray bottom plate 14.
The inner bottom surface of the top frame 12 is vertically provided with a plurality of upper guide pins 121 for positioning the probe-fixing plate, wherein the upper guide pins 121 are caught at the outer edge of the probe-fixing plate 21.
The invention adopts cavity type negative pressure for the power battery tray. The sealing strip has the sealing function after the probe plate and the tray are pressed together. The probe plate is formed by a plurality of probes and is used for contacting the anode and the cathode of the power battery, and the pneumatic element pushes the tray to perform up-and-down actions so as to realize the lamination and the opening of the probe plate and the tray.
As shown in fig. 1 to 3. The novel formation negative pressure is equipment for realizing formation negative pressure of an open battery by integrating probes, positive and negative electrodes of the battery placed in a tray through the contact of the probes and liquid injection holes.
The pallet 22 of the new negative pressure forming apparatus may be delivered by means of a manual or automatic stacker or the like.
As shown in fig. 2 and 3, in the novel negative pressure equipment, probes 23 are mounted on a probe mounting plate 24, and 32 probes 23 can be mounted, and the probe mounting plate 24 is mounted on a probe fixing plate 21. The tray 22 is placed on the tray bottom plate 108 manually or automatically, and the position correctness of the tray 22 is adjusted by the guide block 142. The probe fixing plate 21 and the tray bottom plate 108 can move relatively through the pneumatic element 3, the upper guide pin 121 and the lower guide pin 111 respectively enable the probe fixing plate 21 and the tray bottom plate 14 to be accurate, a thorough pressing state is achieved, voltage current lines on the probes 23 are led out through the switching of the sealing wiring holes 211, the sealing strip 212 ensures tightness, and the suction nozzle 4 controls negative pressure accuracy.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, but also equivalent technical means that can be conceived by those skilled in the art according to the inventive concept.
Claims (7)
1. The utility model provides a power battery becomes negative pressure equipment which characterized in that: the device comprises an outer frame for supporting, a cavity capable of forming negative pressure and a pneumatic element for controlling the opening and closing of the cavity, wherein the cavity and the pneumatic element are both arranged in the outer frame, and a suction nozzle capable of communicating with an external vacuum pump is arranged at the top of the cavity;
the outer frame comprises a bottom plate, a top frame, vertical guide rods and a tray bottom plate, wherein the top frame and the bottom plate are horizontally arranged through a plurality of vertical guide rods, the top frame is fixedly connected with the upper ends of the vertical guide rods, and the bottom plate is fixedly connected with the lower ends of the vertical guide rods; the tray bottom plate is clamped between the top frame and the bottom plate and is in sliding connection with the vertical guide rod;
the cavity comprises a probe fixing plate serving as a cavity sealing cover, a tray serving as a cavity sealing cover and used for containing a power battery, a probe used for contacting with an electrode of the power battery in the tray and a probe mounting plate used for fixing the probe, wherein the probe fixing plate is horizontally and fixedly arranged on a mounting seat on the bottom surface of the top frame, the probe fixing plate is provided with an air suction port used for ventilation and a plurality of sealing wiring holes used for penetrating through a conducting wire, and a suction nozzle is hermetically arranged at the air suction port; the probe mounting plate is fixedly arranged on the lower end face of the probe fixing plate, and a plurality of sealing wire guide holes which can correspond to the sealing wire guide holes one by one are distributed on the probe mounting plate; the fixed ends of the probes are vertically arranged on the lower end face of the probe mounting plate, the probes are arranged in pairs, a pair of probes correspond to the anode and the cathode of a power battery, the leads of the probes sequentially penetrate through the sealed wire guide hole and then are electrically connected with an external power supply, and the contact ends of the probes point to a tray bottom plate positioned right below the probes; the tray is a box body with an open upper end, and when the upper edge of the tray is in sealing contact with the probe fixing plate, the upper edge of the tray and the probe fixing plate are spliced together to form a sealing cavity capable of forming negative pressure;
the pneumatic element is a linear cylinder vertically and fixedly arranged on the bottom surface of the outer frame, and the lifting end of the pneumatic element vertically reciprocates up and down; the lifting end of the linear cylinder is fixedly connected with the tray bottom plate and used for controlling the contact and separation of the tray arranged on the tray bottom plate and the probe fixing plate.
2. A power cell formation negative pressure apparatus according to claim 1, wherein: the bottom plate in the tray is uniformly distributed with a plurality of guide grooves which can be vertically inserted into the power battery, and when the power battery is placed in the guide grooves, the lugs of the battery are in contact connection with the contact ends of the probes which are suspended above the tray.
3. A power cell formation negative pressure apparatus according to claim 2, wherein: the bottom surface of the probe fixing plate is embedded with a circle of sealing strips which can be in sealing contact with the upper edge of the tray along the circumferential direction of the probe fixing plate.
4. A power cell formation negative pressure apparatus according to claim 2, wherein: the tray bottom plate is provided with a plurality of installation through holes which can be in one-to-one correspondence with the vertical guide rods, a shaft sleeve which can be sleeved on the corresponding vertical guide rod is embedded in each installation through hole, the shaft sleeve is clamped on the bottom surface of the tray bottom plate through a shoulder at the bottom end of the shaft sleeve, the upper end of the shaft sleeve penetrates out of the installation through hole, and the shaft sleeve is in clearance fit with the vertical guide rods to realize horizontal sliding connection of the tray bottom plate and the guide rods.
5. The power cell negative pressure apparatus of claim 4, wherein: two guide blocks used for limiting the position of the tray are arranged on the tray bottom plate and are arranged in parallel.
6. A power cell formation negative pressure apparatus according to claim 1, wherein: the tray is characterized in that a plurality of lower guide pins for positioning the tray bottom plate are vertically arranged on the bottom plate, and the upper ends of the lower guide pins penetrate out of guide holes of the tray bottom plate.
7. A power cell formation negative pressure apparatus according to claim 1, wherein: and a plurality of upper guide pins for positioning the probe fixing plate are vertically arranged on the inner bottom surface of the top frame, and the upper guide pins are clamped at the outer edge of the probe fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235865.4A CN108417920B (en) | 2018-03-21 | 2018-03-21 | Power battery formation negative pressure equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810235865.4A CN108417920B (en) | 2018-03-21 | 2018-03-21 | Power battery formation negative pressure equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108417920A CN108417920A (en) | 2018-08-17 |
| CN108417920B true CN108417920B (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810235865.4A Active CN108417920B (en) | 2018-03-21 | 2018-03-21 | Power battery formation negative pressure equipment |
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| CN (1) | CN108417920B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449495A (en) * | 2018-11-09 | 2019-03-08 | 浙江杭可科技股份有限公司 | Lithium battery cavity negative pressure formation method and device |
| CN109921119A (en) * | 2019-03-08 | 2019-06-21 | 安徽泰能新能源科技有限公司 | A kind of cylindrical lithium ion battery method for pre-charging, production method and its obtained product |
| CN111468470A (en) * | 2020-03-02 | 2020-07-31 | 浙江杭可科技股份有限公司 | Cleaning device, cleaning system and cleaning method for battery test probe and negative pressure suction nozzle |
| CN113183066B (en) * | 2021-05-27 | 2024-05-10 | 浙江杭可科技股份有限公司 | Positioning device of square battery clamp |
| CN116718317B (en) * | 2023-08-09 | 2024-02-20 | 江苏常丰精密科技有限公司 | Power battery shell leakage detection device |
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| CN107275679A (en) * | 2017-07-13 | 2017-10-20 | 深圳市恒翼能科技有限公司 | New forming probe bed probe module |
| CN207977423U (en) * | 2018-03-21 | 2018-10-16 | 浙江杭可科技股份有限公司 | A kind of power battery chemical component negative pressure equipment |
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2018
- 2018-03-21 CN CN201810235865.4A patent/CN108417920B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001291531A (en) * | 2000-04-05 | 2001-10-19 | Nec Machinery Corp | Charging and discharging device |
| CN101887994A (en) * | 2009-05-15 | 2010-11-17 | 深圳市鸿德电池有限公司 | Vacuum formation method of lithium ion battery |
| WO2011013383A1 (en) * | 2009-07-31 | 2011-02-03 | Ｗｉｔ株式会社 | Cleaning pad for test probe and method of cleaning test probe |
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| CN108417920A (en) | 2018-08-17 |
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