CN209249611U - The hot pressing mechanism of square electric cell hot press - Google Patents
The hot pressing mechanism of square electric cell hot press Download PDFInfo
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- CN209249611U CN209249611U CN201822278678.2U CN201822278678U CN209249611U CN 209249611 U CN209249611 U CN 209249611U CN 201822278678 U CN201822278678 U CN 201822278678U CN 209249611 U CN209249611 U CN 209249611U
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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
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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
- 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
Abstract
The hot pressing mechanism of square electric cell hot press provided by the utility model, hot pressing shaping applied to square electric cell after winding, including upper mounting plate, middle mounting plate and bottom plate, the hot pressing mechanism further includes that servo motor, ball-screw, at least two guiding optical axises, upper hot pressing support plate, upper hot pressboard, lower hot pressing board and lower hot pressing support plate, ball-screw are vertically arranged to drive positive and negative rotation between upper mounting plate and middle mounting plate and by servo motor；Guiding optical axis sliding is set on middle mounting plate, and the top for being oriented to optical axis is connected in the nut connecting plate connected on ball-screw；Upper hot pressing support plate is connected on the guiding optical axis bottom end skidded off on the downside of middle mounting plate；Servo motor is by driving nut connecting plate and guiding optical axis straight line decline on ball-screw, hot pressing support plate and upper hot pressboard be gradually close to lower hot pressing board and lower hot pressing support plate in drive, and pressure maintaining is for a period of time after the battery core between upper lower hot pressing board is heated to set temperature and is flattened by the pressure of setting.
Description
[technical field]
The utility model relates to the hot-pressing technique of battery core more particularly to the hot pressing mechanisms of square electric cell hot press.
[background technique]
Lithium ion battery is high with voltage with it, specific energy is high, be recycled often, the distinctive property such as storage time is long
Energy advantage has been widely used, such as laptop, video camera, mobile communication, electric vehicle, meanwhile, the large capacity of exploitation
Lithium ion battery also starts to try in electric car, it is contemplated that by become 21 century electric car major impetus power supply it
One, and will be applied in terms of artificial satellite, aerospace and energy storage.In face of the huge demand in market, to lithium-ion electric
The performance in pond and the requirement of safety are higher and higher, and lithium electricity industry technology is forced constantly to be promoted.
In the production of lithium batteries, after winding, due to inside dynamic lithium battery pole piece and diaphragm paper structure it is more loose
It dissipates, therefore, generally also needs to carry out hot pressing shaping to dynamic lithium battery, to ensure the solid jail of dynamic lithium battery internal structure
Gu.Generally by making up to certain temperature, applying certain pressure to core at the same time to the core heating after winding,
Loose core is flattened, after reaching setting time, then it is automatic rise pressing plate, be sent to down after the completion of hot pressing one of process equipment after
Continuous processing.
But in existing conventional techniques, battery core is easily sticked on pressing plate during pressing, is needed manually by battery core from pressure
Taken off on plate, This reduces both the production efficiencys of battery core, and be easy to cause battery core deformation, uneven thickness the problems such as, influence electricity
The quality of core.
[utility model content]
The utility model provides one kind and can monitor manufacturing parameter in real time and can adjust in real time, and high degree of automation has
Lower pressure is big, be not easy to be bonded, the hot-forming effect of battery core is good, and accurate controllable, performance is stablized, and the quality of production is good, battery uses the longevity
Life length, effectively improves the hot pressing mechanism of the square electric cell hot press of battery core hot pressing quality and hot pressing efficiency.
In order to realize that above-mentioned purpose of utility model, the technical solution adopted in the utility model be:
The hot pressing mechanism of square electric cell hot press, applied to the hot pressing shaping of square electric cell after winding, including upper mounting plate,
Middle mounting plate and bottom plate, the quadrangle of upper mounting plate, middle mounting plate and bottom plate are respectively equipped with convenient for the support that is parallel to each other between any two
The column of connection；
The hot pressing mechanism further includes servo motor, ball-screw, at least two guiding optical axises, upper hot pressing support plate, upper heat
Pressing plate, lower hot pressing board and lower hot pressing support plate, the servo motor are installed on the top side of upper mounting plate, and the ball-screw is vertical
It is installed between upper mounting plate and middle mounting plate and positive and negative rotation is driven by servo motor；
The guiding optical axis sliding is set on middle mounting plate, and the top for being oriented to optical axis, which is connected on ball-screw, to be connected
Nut connecting plate on；
The upper hot pressing support plate is connected on the guiding optical axis bottom end skidded off on the downside of middle mounting plate, lower hot pressing support plate with
Upper hot pressing support plate is corresponding to be mounted on bottom plate, and the upper hot pressboard is installed on the downside of hot pressing support plate,
The lower hot pressing board is installed on the top end face of lower hot pressing support plate；
The servo motor is by driving nut connecting plate and guiding optical axis straight line decline, hot pressing in drive on ball-screw
Support plate and upper hot pressboard will be put into gradually close to lower hot pressing board and lower hot pressing support plate between upper hot pressboard and lower hot pressing board
Battery core be heated to set temperature and by the pressure of setting flatten after pressure maintaining for a period of time.
Further, it is additionally provided on the bottom plate on the downside of lower hot pressing support plate for sensing upper hot pressboard and lower hot pressing
Plate be applied to lower hot pressing board and pressure value size in lower hot pressing support plate and the pressure value size sensed is uploaded in real time and
The pressure sensor for reaching setting value is modified to pressure value size by servo motor.
Further, it is additionally provided on the column between the middle mounting plate and bottom plate whole with lower hot pressing board to upper hot pressboard
The deduster that the dust generated after shape battery core is absorbed.
Further, the heating heated to entire plate body is each equipped on rear side of the upper hot pressboard and lower hot pressing board
Piece.
Further, the upper hot pressboard and lower hot pressing board rear side are offered and are recessed inwardly, for assembling heating sheet
Fitting groove further respectively has multiple extend to assembly groove center in the two sides up and down of upper hot pressboard and lower hot pressing board and adds for limiting
The positioning bar of backing.
Further, the heating sheet is the silica gel heating sheet being distributed convenient for even heat, the upper hot pressboard and lower heat
The temperature sensor incuded in real time to silica gel heating sheet heating temperature is further respectively had on pressing plate, passes through temperature sensor pair
The closed-loop control of temperature progress real-time compensation heat on upper hot pressboard and lower hot pressing board, holding upper hot pressboard and lower hot pressing board
Temperature fluctuation range controls within positive and negative 2 degrees Celsius.
Further, plating is equipped with and prevents and battery core on the upper hot pressboard and lower hot pressing board and the contact surface of hot pressing battery core
The ceramic layer of upper hot melt adhesive plaster bonding and anti-viscose glue nanometer layer.
The beneficial effects of the utility model are:
In use, servo motor is declined by driving nut connecting plate on ball-screw and being oriented to optical axis straight line, in drive
Hot pressing support plate and upper hot pressboard, will be between upper hot pressboard and lower hot pressing boards gradually close to lower hot pressing board and lower hot pressing support plate
The battery core being put into is heated to set temperature, and according to the pressure sensor on the downside of lower hot pressing support plate, constantly feels in pressure process
Survey the pressure that upper hot pressboard and lower hot pressing board are applied to lower hot pressing board and pressure value size in lower hot pressing support plate and will sense
Force value size uploads in real time and is modified by servo motor to pressure value size and reaches setting value, while by the pressure of setting
Flatten battery core after pressure maintaining for a period of time；It is big with lower amount of pressure, the hot-forming effect of battery core is good, accurate controllable, performance is stablized, raw
Yield and quality is good, effectively extension battery, effectively improves battery core hot pressing quality and hot pressing efficiency.
Meanwhile the silica gel heating sheet heated to entire plate body is each equipped on rear side of upper hot pressboard and lower hot pressing board,
Compared to traditional heating tube heating method, silica gel heating sheet is distributed with even heat, and is used temperature sensor and carried out temperature
Degree induction in real time carries out closed-loop control, the heat on real-time compensation upper hot pressboard and lower hot pressing board, so that upper hot pressboard and lower heat
Temperature fluctuation range on pressing plate effectively controls within positive and negative 3 degrees Celsius.
In addition, plating to be equipped on upper hot pressboard and lower hot pressing board and the contact surface of hot pressing battery core prevents and hot melt adhesive in battery core
Cloth bonding ceramic layer and anti-viscose glue nanometer layer, different from past industry by the way of plating iron teflon or only ceramic platingv,
It can not thoroughly solve the problems, such as to paste and heat adhesive plaster in battery core, plate the ceramic layer set and anti-viscose glue nanometer layer, efficiently solve heat
The hot melt adhesive plaster problem in battery core is pasted after pressure, and effectively extends the service life of upper hot pressboard and lower hot pressing board.And
And when manipulator shaping battery core battery core is taken away between upper hot pressboard and lower hot pressing board after, deduster is to upper hot pressboard and lower heat
The dust generated on pressing plate is absorbed, and the tidiness of hot pressing is effectively ensured.
[Detailed description of the invention]
Fig. 1 is the forward sight schematic perspective view of the utility model；
Fig. 2 is the side perspective structural schematic diagram of the utility model；
Fig. 3 is the schematic view of the front view of the utility model；
Fig. 4 is the three-dimensional amplification assumption diagram of upper hot pressboard and lower hot pressing board in the utility model；
Fig. 5 is the main view amplification assumption diagram that upper hot pressboard and lower hot pressing board correspond to mounting surface in the utility model.
[specific embodiment]
The hot pressing mechanism of square electric cell hot press, as shown in Figure 1 to Figure 3, the hot pressing applied to square electric cell after winding are whole
Shape, including upper mounting plate 1, middle mounting plate 2 and bottom plate 3, the quadrangle of upper mounting plate 1, middle mounting plate 2 and bottom plate 3 are respectively equipped with just
In the column 4 for the support connection that is parallel to each other between any two；The hot pressing mechanism further include servo motor 5, ball-screw 6, four lead
It is installed on to optical axis 7, upper hot pressing support plate 8, upper hot pressboard 9, lower hot pressing board 10 and lower hot pressing support plate 11, the servo motor 5
The top side of upper mounting plate 1, ball-screw 6 are vertically arranged to drive between upper mounting plate 1 and middle mounting plate 2 and by servo motor 5
Positive and negative rotation；The top of the middle part quadrangle for being set in middle mounting plate 2 that four guiding optical axises 7 slide, guiding optical axis 7 is connected to rolling
In the nut connecting plate 12 connected on ballscrew 6.
Continue as shown in Figure 1 to Figure 3, hot pressing support plate 8 is connected to the guiding optical axis 7 for skidding off middle 2 downside of mounting plate on this
On bottom end, lower hot pressing support plate 11 is corresponding with upper hot pressing support plate 8 to be mounted on bottom plate 3, and upper hot pressboard 9 is installed on
The downside of upper hot pressing support plate 8, lower hot pressing board 10 are installed on the top end face of lower hot pressing support plate 11；It is additionally provided on bottom plate 3
It is used to sense upper hot pressboard 9 on the downside of lower hot pressing support plate 11 and lower hot pressing board 10 is applied to lower hot pressing board 10 and lower hot pressing branch
Pressure value size on fagging 11 simultaneously uploads the pressure value size sensed and big to pressure value by servo motor 5 in real time
It is small to be modified the pressure sensor 13 for reaching setting value；It is additionally provided on column 4 between middle mounting plate 2 and bottom plate 3 pair
The deduster 14 that the dust generated after upper hot pressboard 9 and 10 shaping battery core of lower hot pressing board is absorbed.
When work, servo motor 5 is by driving nut connecting plate 12 and guiding 7 straight line of optical axis decline, band on ball-screw 6
Dynamic upper hot pressing support plate 8 and upper hot pressboard 9 gradually close to lower hot pressing board 10 and lower hot pressing support plate 11, by upper hot pressboard 9 with
The battery core being put between lower hot pressing board 10 be heated to set temperature and by the pressure of setting flatten after pressure maintaining for a period of time.
As shown in Figure 4 and Figure 5, it is each equipped with entire plate body is added in the rear side of upper hot pressboard 9 and lower hot pressing board 10
The heating sheet 15 of heat, upper hot pressboard 9 and 10 rear side of lower hot pressing board offer the assembly being recessed inwardly, for assembling heating sheet 15
Slot 90, the two sides up and down of upper hot pressboard 9 and lower hot pressing board 10 further respectively have it is multiple to 90 center of fitting groove extend for limiting
Determine the positioning bar 91 of heating sheet 15；Wherein, heating sheet 15 is the silica gel heating sheet 15 being distributed convenient for even heat, compared to traditional
Heating tube heating method, silica gel heating sheet 15 are distributed with even heat；Moreover, on upper hot pressboard 9 and lower hot pressing board 10 also
It is respectively equipped with the temperature sensor incuded in real time to 15 heating temperature of silica gel heating sheet, by temperature sensor to upper hot pressing
The closed-loop control of temperature progress real-time compensation heat on plate 9 and lower hot pressing board 10, holding upper hot pressboard 9 and lower hot pressing board 10
Temperature fluctuation range controls within positive and negative 2 degrees Celsius.In addition, the contact of upper hot pressboard 9 and lower hot pressing board 10 and hot pressing battery core
It plates to be equipped on face and prevents and heat in battery core the Nian Jie ceramic layer of adhesive plaster and anti-viscose glue nanometer layer.
In use, upper hot pressboard 9 and lower hot pressing board 10 be under the effect of silica gel heating sheet 15, while heated to set temperature etc.
To which when battery core is placed on lower hot pressing board 10, servo motor 5 drives ball screw rotation, hot pressing support plate 8 and upper heat in driving
The synchronous decline of pressing plate 9, is pressed in battery core, and 13 pressure sensed of pressure sensor upload in real time, by controlling servo motor 5
Pressure value is modified and reaches setting value；Then pressure maintaining is carried out, the time to rear servo motor 5 is driven reverse upper hot pressing support
Plate 8 and upper hot pressboard 9 rise；Then after battery core being taken away, deduster 14 back and forth moves forward and backward to upper hot pressboard 9 and lower hot pressing
The pressing surfaces of plate 10 carry out absorption dedusting.
In addition, due on upper hot pressboard 9 and lower hot pressing board 10 and the contact surface of hot pressing battery core plating be equipped with and prevent and battery core
The ceramic layer of upper hot melt adhesive plaster bonding and anti-viscose glue nanometer layer, different from using plating iron teflon or only ceramic platingv in past industry
Structure can not thoroughly solve the problems, such as to paste hot melt adhesive plaster in battery core, plate the ceramic layer set and anti-viscose glue nanometer layer, effectively solve
It has determined the hot melt adhesive plaster problem pasted after hot pressing in battery core, and has effectively extended making for upper hot pressboard 9 and lower hot pressing board 10
Use the service life.
Embodiment described above is the preferred embodiment for being the utility model, and the reality of the utility model is not limited with this
Range is applied, it is all according to equivalent made by the shape of the utility model, construction and principle except in the case of being enumerated in specific embodiment
Variation, should all be covered by the protection scope of the utility model.
Claims (7)
1. the hot pressing mechanism of square electric cell hot press, applied to the hot pressing shaping of square electric cell after winding, including upper mounting plate, in
Mounting plate and bottom plate, the quadrangle of upper mounting plate, middle mounting plate and bottom plate is respectively equipped with to be connected convenient for the support that is parallel to each other between any two
The column connect；It is characterized by:
The hot pressing mechanism further include servo motor, ball-screw, at least two guiding optical axises, upper hot pressing support plate, upper hot pressboard,
Lower hot pressing board and lower hot pressing support plate, the servo motor are installed on the top side of upper mounting plate, and the ball-screw is vertically-mounted
Positive and negative rotation is driven between upper mounting plate and middle mounting plate and by servo motor；
The guiding optical axis sliding is set on middle mounting plate, and the top for being oriented to optical axis is connected to the spiral shell connected on ball-screw
On female connecting plate；
The upper hot pressing support plate is connected on the guiding optical axis bottom end skidded off on the downside of middle mounting plate, lower hot pressing support plate and upper heat
Support plate is corresponding is mounted on bottom plate for pressure, and the upper hot pressboard is installed on the downside of hot pressing support plate, described
Lower hot pressing board is installed on the top end face of lower hot pressing support plate；
The servo motor is by driving nut connecting plate and guiding optical axis straight line decline, hot pressing support in drive on ball-screw
Plate and upper hot pressboard are gradually close to lower hot pressing board and lower hot pressing support plate, the electricity that will be put between upper hot pressboard and lower hot pressing board
Core be heated to set temperature and by the pressure of setting flatten after pressure maintaining for a period of time.
2. the hot pressing mechanism of square electric cell hot press according to claim 1, which is characterized in that be additionally provided on the bottom plate
It is used to sense upper hot pressboard on the downside of lower hot pressing support plate and lower hot pressing board is applied to lower hot pressing board and lower hot pressing support plate
Pressure value size and the pressure value size sensed is uploaded in real time and pressure value size is modified by servo motor
Reach the pressure sensor of setting value.
3. the hot pressing mechanism of square electric cell hot press according to claim 1, which is characterized in that the middle mounting plate and bottom
The dedusting absorbed to the dust generated after upper hot pressboard and lower hot pressing board shaping battery core is additionally provided on column between plate
Device.
4. the hot pressing mechanism of square electric cell hot press according to claim 1, which is characterized in that the upper hot pressboard is under
The heating sheet heated to entire plate body is each equipped on rear side of heating platen.
5. the hot pressing mechanism of square electric cell hot press according to claim 4, which is characterized in that the upper hot pressboard is under
The fitting groove being recessed inwardly, for assembling heating sheet is offered on rear side of heating platen, upper hot pressboard and lower hot pressing board up and down
Two sides further respectively have multiple positioning bars extended to assembly groove center for limiting heating sheet.
6. the hot pressing mechanism of square electric cell hot press according to claim 4, which is characterized in that the heating sheet be convenient for
The silica gel heating sheet of even heat distribution, further respectively has on the upper hot pressboard and lower hot pressing board and heats temperature to silica gel heating sheet
The temperature sensor incuded in real time is spent, the temperature on upper hot pressboard and lower hot pressing board is carried out by temperature sensor real-time
The closed-loop control of heat compensation keeps the temperature fluctuation range of upper hot pressboard and lower hot pressing board to control within positive and negative 3 degrees Celsius.
7. the hot pressing mechanism of square electric cell hot press according to claim 4, which is characterized in that the upper hot pressboard is under
Heating platen is equipped with plating on the contact surface of hot pressing battery core and prevents and heat the Nian Jie ceramic layer of adhesive plaster and anti-viscose glue in battery core and receive
Rice layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278678.2U CN209249611U (en) | 2018-12-30 | 2018-12-30 | The hot pressing mechanism of square electric cell hot press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278678.2U CN209249611U (en) | 2018-12-30 | 2018-12-30 | The hot pressing mechanism of square electric cell hot press |
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| Publication Number | Publication Date |
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| CN209249611U true CN209249611U (en) | 2019-08-13 |
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| CN201822278678.2U Active CN209249611U (en) | 2018-12-30 | 2018-12-30 | The hot pressing mechanism of square electric cell hot press |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276731A (en) * | 2020-03-31 | 2020-06-12 | 湖北亿纬动力有限公司 | Hot-pressing temperature compensation method, battery cell and battery module |
| CN111785908A (en) * | 2020-06-23 | 2020-10-16 | 合肥国轩高科动力能源有限公司 | C-shaped rotating platform for taking battery liquid injection shifting fork |
| CN112935451A (en) * | 2021-01-25 | 2021-06-11 | 南京驰韵科技发展有限公司 | Special equipment for forming brazing layer of multilayer terahertz slot array antenna |
| CN114472261A (en) * | 2022-04-12 | 2022-05-13 | 深圳市誉辰智能装备股份有限公司 | Dust collector for secondary battery electricity core hot pressing |
-
2018
- 2018-12-30 CN CN201822278678.2U patent/CN209249611U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276731A (en) * | 2020-03-31 | 2020-06-12 | 湖北亿纬动力有限公司 | Hot-pressing temperature compensation method, battery cell and battery module |
| CN111276731B (en) * | 2020-03-31 | 2023-03-03 | 湖北亿纬动力有限公司 | Hot-pressing temperature compensation method, battery cell and battery module |
| CN111785908A (en) * | 2020-06-23 | 2020-10-16 | 合肥国轩高科动力能源有限公司 | C-shaped rotating platform for taking battery liquid injection shifting fork |
| CN111785908B (en) * | 2020-06-23 | 2022-02-18 | 合肥国轩高科动力能源有限公司 | C-shaped rotating platform for taking battery liquid injection shifting fork |
| CN112935451A (en) * | 2021-01-25 | 2021-06-11 | 南京驰韵科技发展有限公司 | Special equipment for forming brazing layer of multilayer terahertz slot array antenna |
| CN114472261A (en) * | 2022-04-12 | 2022-05-13 | 深圳市誉辰智能装备股份有限公司 | Dust collector for secondary battery electricity core hot pressing |
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