CN213278156U

CN213278156U - Polymer lithium battery formation grading device

Info

Publication number: CN213278156U
Application number: CN202021984935.5U
Authority: CN
Inventors: 唐凯; 王树增; 刘碧辉
Original assignee: Dongguan Weike Battery Co ltd
Current assignee: Dongguan Weike Battery Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-25
Anticipated expiration: 2030-09-11

Abstract

The utility model belongs to the technical field of the lithium cell, especially, relate to a polymer lithium cellization becomes partial volume device, including the material loading unit, move and carry manipulator unit, hot pressing becomes the unit, plastic location cooling unit, partial volume unit and unloading unit, move and carry manipulator unit respectively with hot pressing becomes the unit, plastic location cooling unit and partial volume unit connection, plastic location cooling unit is including being used for the shaping positioning fixture that aligns lithium cell on one side and the air-cooled mechanism that is used for cooling the lithium cell, air-cooled mechanism is including setting up the intake stack in shaping positioning fixture below, a plurality of air outlets have been seted up to the top of intake stack. The utility model discloses just to the electric core in the plastic positioning fixture with the air outlet of intake stack, make electric core process become the back, realized plastic, location and three kinds of operations of cooling simultaneously at plastic location cooling unit, reduced a flow of colding pressing, reduced cooling water circulation system promptly, optimized the structure of whole device.

Description

Polymer lithium battery formation grading device

Technical Field

The utility model belongs to the technical field of the lithium cell, especially, relate to a polymer lithium cellization becomes partial volume device.

Background

In the production process of the soft package lithium battery, formation, capacity grading, hot pressing and cold pressing are important processes for determining the quality of the battery after the lithium battery is formed. The formation is the most basic and important process for activating the internal activity of the lithium battery to ensure that the lithium battery has good charge and discharge performance and cycle life, and the capacity grading is the most important process for judging the consistency requirement of the battery, so that the production period is very long in the original process, and the production time can be effectively shortened and the consistency of the performance and the quality of the battery can be improved by adopting a new heating and pressurizing formation and capacity grading mode.

In original soft packet of lithium cell production facility and process, the hot briquetting of lithium cell, partial volume process, cold pressing setting are all separately implemented, just so need various different equipment or anchor clamps frock including supporting solitary unloading equipment of going up, divide into four processes and make, and the work load of manual handling operation is great like this, and production efficiency is also very low, and equipment investment is big, and area is big.

In addition, the existing cold-pressing clamp is cooled by cooling water, so that the efficiency is low, and the consumption of the cooling water is large; and the cold pressing fixture needs to be provided with a matched cooling water system, so that the cold pressing equipment has a complex structure and the manufacturing cost of the equipment is very high.

In view of the above, it is necessary to provide a chemical and volume grading device for a polymer lithium battery to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: aiming at the defects of the prior art, the polymer lithium battery formation and capacity-dividing device is provided, a cold pressing clamp is omitted, the equipment structure can be optimized, a cooling water circulation system is omitted, and the consumption of cooling water can be saved.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a polymer lithium cellization becomes partial volume device, includes material loading unit, moves and carries manipulator unit, hot briquetting unit, plastic location cooling unit, partial volume unit and unloading unit, move and carry manipulator unit respectively with hot briquetting unit, plastic location cooling unit with partial volume unit connection, plastic location cooling unit is including being used for the plastic positioning fixture that aligns lithium cell one side and being used for cooling the air-cooled mechanism of lithium cell, air-cooled mechanism is including setting up the intake stack of plastic positioning fixture below, a plurality of air outlets have been seted up to the top of intake stack.

As an improvement of polymer lithium battery ization constitution device, the entry of intake stack is linked together with coolant's air outlet, coolant includes at least one in air conditioner and the air compressor. The air inlet pipeline can be arranged into at least one row, the air inlet pipeline is matched with the shaping positioning clamp, an inlet of the air inlet pipeline is arranged at one end of the pipeline, and an air conditioner or an air compressor can be used as a cooling medium.

As the utility model discloses a polymer lithium battery ization becomes an improvement of holding device, move and carry manipulator unit and include that the first of adjacent arrangement moves and carry manipulator and second and move and carry the manipulator.

As a polymer lithium battery ization contain device's an improvement, the material loading unit includes material loading windmill manipulator, sweeps a yard testing platform and material loading anchor clamps, sweep a yard testing platform with material loading anchor clamps adjacent arrangement, material loading windmill manipulator set up in sweep yard testing platform's top. The material loading windmill manipulator snatchs electric core and sweeps the sign indicating number to sweeping a sign indicating number testing platform, will sweep the qualified product of sign indicating number and put into the material loading anchor clamps, will sweep the unqualified product of sign indicating number and choose out.

As a polymer lithium battery ization become to contain improvement of device, still including setting up sweep a yard testing platform with positioning mechanism, leveling mechanism and dust removal mechanism between the material loading anchor clamps, sweep a yard testing platform positioning mechanism leveling mechanism dust removal mechanism with the material loading anchor clamps are adjacent setting in proper order. The positioning mechanism is positioned by a CCD machine vision detection system, so that the lug and the gas bag of the battery cell are arranged and leveled by the leveling mechanism conveniently, and the dust removal mechanism is used for removing dust from the battery cell body.

As an improvement of the polymer lithium battery formation and capacity-dividing device of the present invention, the thermal pressing formation unit includes a thermal pressing formation jig. After the battery cores are filled with the feeding clamp, the first transfer manipulator grabs all the battery cores to the hot-pressing forming clamp at one time, and the hot-pressing forming clamp is automatically compressed, heated and formed.

As an improvement of the polymer lithium battery formation capacity grading device of the utility model, the capacity grading unit comprises a hot-pressing capacity grading clamp. The hot-pressing capacity grading clamp realizes automatic pressing and capacity grading.

As an improvement of polymer lithium battery ization constitution device, still including setting gradually the partial volume unit with location buffer memory unit between the unloading unit and sorting unit, location buffer memory unit is including location buffer memory anchor clamps.

As an improvement of polymer lithium battery ization constitution device, still including pull-out mechanism, pull-out mechanism with the unloading anchor clamps in the unloading unit are adjacent to be set up.

As an improvement of the polymer lithium battery formation and capacity-dividing device, the polymer lithium battery formation and capacity-dividing device further comprises a working channel unit, and the working channel unit is arranged between any two adjacent units.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

1) the utility model provides a polymer lithium cell ization becomes partial volume device, include material loading unit, move and carry manipulator unit, hot pressing formation unit, plastic location cooling unit, partial volume unit and unloading unit, move and carry manipulator unit respectively with hot pressing formation unit plastic location cooling unit with partial volume unit connection, plastic location cooling unit including be used for with the plastic positioning fixture that lithium cell aligns on one side with be used for cooling the air-cooled mechanism of lithium cell, air-cooled mechanism is including setting up the intake stack of plastic positioning fixture below, a plurality of air outlets have been seted up to the top of intake stack. The utility model discloses in, have enough to meet the need, pressurize, heat, become, cooling shaping, partial volume combine go on in a device to the battery, convert original multichannel process into one process, not only promoted production efficiency, can also guarantee the uniformity of battery, also reduced manufacturing cost.

2) In the utility model, the shaping positioning and cooling unit is provided with the shaping positioning fixture and the air cooling mechanism, and the air outlet of the air inlet pipeline is just opposite to the electric core in the shaping positioning fixture, so that after the electric core is formed, three operations of shaping, positioning and cooling are simultaneously realized in the shaping positioning and cooling unit, one cold pressing flow is reduced, namely, a cooling water circulation system is reduced, and the structure of the whole device is optimized; after the cold pressing process is reduced, the cold pressing process time is also reduced; the station of a cold-pressing clamp is reduced, and the manufacturing cost of the equipment is further reduced; cooling water is not needed, and the consumption of the cooling water is reduced.

Drawings

Fig. 1 is a schematic structural view of a polymer lithium battery-forming capacitive device according to an embodiment.

FIG. 2 is a schematic structural diagram of a shaping positioning cooling unit in the embodiment.

Fig. 3 is a top view of an embodiment of an air inlet duct.

Fig. 4 is a schematic flow chart of the operation of the polymer lithium battery in the embodiment to form a capacitive device.

Wherein: 1-feeding unit, 2-transplanting manipulator unit, 3-hot pressing forming unit, 4-shaping positioning cooling unit, 41-shaping positioning fixture, 42-air inlet pipeline, 5-capacity grading unit, 6-blanking unit, 7-positioning buffer unit and 8-sorting unit.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.

Examples

As shown in fig. 1-4, this embodiment provides a polymer lithium battery ization becomes partial volume device, including material loading unit 1, move and carry manipulator unit 2, hot briquetting becomes unit 3, plastic location cooling unit 4, partial volume unit 5 and unloading unit 6, move and carry manipulator unit 2 respectively with hot briquetting becomes unit 3, plastic location cooling unit 4 and partial volume unit 5 are connected, plastic location cooling unit 4 is including being used for the plastic positioning fixture 41 that aligns lithium cell on one side and the air-cooled mechanism that is used for cooling the lithium cell, air-cooled mechanism is including setting up the intake stack 42 in plastic positioning fixture 41 below, a plurality of air outlets have been seted up to intake stack 42's top.

In the device, the turnover, pressurization, heating, formation, cooling and forming and capacity grading of the battery are combined in one device, and original multiple processes are converted into one process, so that the production efficiency is improved, the consistency of the battery can be ensured, and the production cost is also reduced.

In the device, a shaping positioning clamp 41 and an air cooling mechanism are arranged on a shaping positioning cooling unit 4, an air outlet of an air inlet pipeline 42 is opposite to an electric core in the shaping positioning clamp 41, after the electric core is formed, three operations of shaping, positioning and cooling are simultaneously realized on the shaping positioning cooling unit 4, a cold pressing process is reduced, namely a cooling water circulation system is reduced, and the structure of the whole device is optimized; after the cold pressing process is reduced, the cold pressing process time is also reduced; the station of a cold-pressing clamp is reduced, and the manufacturing cost of the equipment is further reduced; cooling water is not needed, and the consumption of the cooling water is reduced.

Further, an inlet of the air inlet duct 42 communicates with an outlet of a cooling medium, which includes at least one of an air conditioner and an air compressor. The air inlet pipeline 42 can be arranged in at least one row, the air inlet pipeline 42 is matched with the shaping positioning clamp 41, the inlet of the air inlet pipeline 42 is arranged at one end of the pipeline, and the cooling medium can be air-conditioned air.

Further, the transfer robot unit 2 includes a first transfer robot and a second transfer robot arranged adjacently.

Further, the feeding unit 1 comprises a feeding windmill manipulator, a sweeping code detection platform and a feeding clamp, the sweeping code detection platform and the feeding clamp are arranged adjacently, and the feeding windmill manipulator is arranged above the sweeping code detection platform. The material loading windmill manipulator snatchs electric core and sweeps the sign indicating number to sweeping a sign indicating number testing platform, will sweep the qualified product of sign indicating number and put into the material loading anchor clamps, will sweep the unqualified product of sign indicating number and choose out.

Further, still including setting up at the positioning mechanism, leveling mechanism and the dust removal mechanism of sweeping between sign indicating number testing platform and the material loading anchor clamps, sweep sign indicating number testing platform, positioning mechanism, leveling mechanism, dust removal mechanism and material loading anchor clamps and adjacent setting in proper order. The positioning mechanism is positioned by a CCD machine vision detection system, so that the lug and the gas bag of the battery cell are arranged and leveled by the leveling mechanism conveniently, and the dust removal mechanism is used for removing dust from the battery cell body.

Further, the thermal compression molding unit 3 includes a thermal compression molding jig. After the battery cores are filled with the feeding clamp, the first transfer manipulator grabs all the battery cores to the hot-pressing forming clamp at one time, and the hot-pressing forming clamp is automatically compressed, heated and formed.

Further, the capacity grading unit 5 includes a hot-press capacity grading jig. The hot-pressing capacity grading clamp realizes automatic pressing and capacity grading.

Further, still include location buffer memory unit 7 and the unit 8 of sorting that sets gradually between partial volume unit 5 and unloading unit 6, location buffer memory unit 7 includes location buffer memory anchor clamps.

Furthermore, the automatic feeding device also comprises a pulling-out mechanism, and the pulling-out mechanism is arranged adjacent to the blanking clamp in the blanking unit 6.

Furthermore, the device also comprises a working channel unit, and the working channel unit is arranged between any two adjacent units.

The working process of the device is as follows:

1) feeding the to-be-formed battery cell cartridge clips from the left opening, and discharging the capacity-divided battery cell cartridge clips from the right opening;

2) the charging and discharging time of the electric core meets the beat requirements of formation, hot pressing, cold pressing and capacity grading of the electric core;

3) the feeding windmill manipulator carries out electric core code scanning from the electricity taking core to the code scanning detection platform, places qualified products into the positioning mechanism, and places unqualified products into the NG position of feeding.

4) Manually placing the cartridge clips with the batteries on a conveyor belt, automatically positioning the cartridge clips, jacking the batteries to the top end by a jacking mechanism, automatically taking the materials by a robot, and then continuously jacking the batteries to the top end; the machine vision camera lens CCD of positioning mechanism is accurate to be fixed a position, gets material robot and shifts the electric core to leveling mechanism to utmost point ear and air pocket plastic after the location is accomplished. After finishing the shaping, the material taking robot transfers the battery core to the dust removal mechanism to remove dust on the battery core body, switches to the overturning station to enable the battery air bag to face upwards, and then transfers the battery core to the material feeding clamp.

5) After the charging fixture tool is filled with the battery cores, the first transfer manipulator can grab all the battery cores into the hot-pressing formation fixture at one time, and the hot-pressing formation fixture is automatically compressed, heated and formed;

6) after formation is completed, hot pressing formation is automatically opened by the clamp, the first transfer manipulator once grabs all the electric cores in the clamp and enters the hot pressing clamp, after hot pressing is completed, the first transfer manipulator once grabs all the electric cores in the hot pressing clamp to the shaping positioning clamp 41, the electric cores are cooled by the air cooling mechanism, after shaping positioning of the electric cores is completed, the second transfer manipulator once grabs all the electric cores in the shaping positioning clamp 41 to the hot pressing capacity grading clamp, and the clamp is automatically compressed and subjected to capacity grading. After grading is finished, a second transfer manipulator once grabs all the electric cores in the hot-pressing grading fixture into a positioning cache fixture, and then the electric cores are transferred to a blanking fixture tool by the first transfer manipulator;

7) the battery cell is taken out from the blanking clamp tool by a pulling-out mechanism (two battery cells are taken at a time); the blanking cell transferring manipulator takes out the cell from the pulling-out mechanism, the equipment automatically identifies the cell into a qualified product and an unqualified product, and the unqualified product manipulator automatically puts in a blanking unqualified position to be manually treated at regular intervals; transferring and positioning qualified products in a belt conveying mechanism; after the battery core positioning is completed, the robot transfers the battery core to the cartridge clip.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a polymer lithium cell ization becomes partial volume device, its characterized in that includes the material loading unit, moves and carries mechanical hand unit, hot pressing formation unit, plastic location cooling unit, partial volume unit and unloading unit, move and carry mechanical hand unit respectively with hot pressing formation unit plastic location cooling unit with partial volume unit connection, plastic location cooling unit is including being used for the shaping positioning fixture who aligns lithium cell on one side and being used for cooling the air-cooled mechanism of lithium cell, air-cooled mechanism is including setting up the intake stack of plastic positioning fixture below, a plurality of air outlets have been seted up to the top of intake stack.

2. The polymer lithium battery capacity-dividing device of claim 1, wherein an inlet of the air inlet duct is in communication with an outlet of a cooling medium, the cooling medium comprising at least one of an air conditioner and an air compressor.

3. The polymer lithium battery capacity-dividing apparatus according to claim 1, wherein the transfer robot unit includes a first transfer robot and a second transfer robot arranged adjacent to each other.

4. The polymer lithium battery formation and capacity-dividing device of claim 1, wherein the feeding unit comprises a feeding windmill manipulator, a sweeping code detection platform and a feeding clamp, the sweeping code detection platform is arranged adjacent to the feeding clamp, and the feeding windmill manipulator is arranged above the sweeping code detection platform.

5. The polymer lithium battery formation and capacity-dividing device of claim 4, further comprising a positioning mechanism, a leveling mechanism and a dust removal mechanism which are arranged between the code scanning detection platform and the loading fixture, wherein the code scanning detection platform, the positioning mechanism, the leveling mechanism, the dust removal mechanism and the loading fixture are sequentially arranged adjacently.

6. The polymeric lithium battery compatibilization device according to claim 1, wherein the hot briquetting unit comprises a hot briquetting clamp.

7. The polymer lithium battery capacitive device according to claim 1, wherein the capacitive unit comprises a hot-press capacitive fixture.

8. The polymer lithium battery formation and capacity-dividing device of claim 1, further comprising a positioning buffer unit and a sorting unit which are sequentially arranged between the capacity-dividing unit and the blanking unit, wherein the positioning buffer unit comprises a positioning buffer clamp.

9. The polymer lithium battery capacity dividing device of claim 1, further comprising a pulling mechanism disposed adjacent to the blanking clamp in the blanking unit.

10. The polymeric lithium battery compatibilizing device according to claim 1, further comprising a working channel unit disposed between any two adjacent units.