CN219457723U - Hot-pressing die for winding battery core of lithium ion battery - Google Patents
Hot-pressing die for winding battery core of lithium ion battery Download PDFInfo
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- CN219457723U CN219457723U CN202320366888.5U CN202320366888U CN219457723U CN 219457723 U CN219457723 U CN 219457723U CN 202320366888 U CN202320366888 U CN 202320366888U CN 219457723 U CN219457723 U CN 219457723U
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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
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Abstract
The utility model discloses a hot-pressing die for a lithium ion battery winding cell, which comprises a base and a hot-pressing unit, wherein the base is provided with a hot-pressing groove; and (2) base: the upper surface of the upper frame is provided with a concave cavity, the upper end of the inner part of the concave cavity is provided with a bearing plate, the four corners of the upper surface of the bearing plate are symmetrically provided with upright rods, and the upper ends of the upright rods are fixedly connected with a top plate; and (3) a hot pressing unit: the electric heating device comprises an electric push rod, a lifting disc, a groove, a pressing plate, an electric heating wire and heat conduction oil, wherein the electric push rod is arranged in a mounting port in the center of a top plate, and the lifting disc is arranged at the lower end of a telescopic end of the electric push rod; the hot-pressing die for the lithium ion battery winding battery core can automatically finish hot-pressing work on the lithium ion battery winding battery core, greatly lightens labor burden of personnel, can uniformly and rapidly transfer heat generated by an electric heating wire in the hot-pressing process, fully heats the lithium ion battery winding battery core and ensures efficiency and final quality of the hot-pressing work of the lithium ion battery winding battery core.
Description
Technical Field
The utility model relates to the technical field of lithium ion battery winding cell processing, in particular to a hot-pressing die for a lithium ion battery winding cell.
Background
The lithium ion battery winding core is a multifunctional rechargeable battery, has the advantages of high capacity, light weight, firmness and durability and adaptability to environmental changes, and is therefore applied to different fields of household appliances, consumer electronics, automobiles and the like.
The hot-pressing die is used for manufacturing the battery core and is an indispensable part in the manufacturing process of the lithium ion battery. The method has the main effects of improving the flatness of the lithium ion battery, enabling the thickness of the battery core to meet the requirements and having high consistency; eliminating the membrane fold, expelling the air in the battery core, enabling the membrane and the positive and negative pole pieces to be closely adhered together, shortening the diffusion distance of lithium ions and reducing the internal resistance of the battery.
The existing hot-pressing die for the lithium ion battery winding battery core generally adopts an electric heating wire to generate heat and enables the pressing plate to heat in a heat conduction mode through heat conduction oil, and finally the pressing plate in a high temperature state extrudes the lithium ion battery winding battery core, but in the actual use process, heat conduction oil in a static state is difficult to uniformly transfer heat to the pressing plate, difference exists in the heating condition of each point position of the lithium ion battery winding battery core easily in the hot-pressing process, and the final quality of hot-pressing work of the lithium ion battery winding battery core is affected.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the hot-pressing die for the lithium ion battery winding battery core, which can automatically complete hot-pressing work on the lithium ion battery winding battery core, greatly lighten labor burden of personnel, and can uniformly and rapidly transfer heat generated by an electric heating wire in the hot-pressing process, fully heat the lithium ion battery winding battery core, ensure efficiency and final quality of the lithium ion battery winding battery core hot-pressing work, and effectively solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a hot-pressing die for a lithium ion battery winding cell comprises a base and a hot-pressing unit;
and (2) base: the upper surface of the upper frame is provided with a concave cavity, the upper end of the inner part of the concave cavity is provided with a bearing plate, the four corners of the upper surface of the bearing plate are symmetrically provided with upright rods, and the upper ends of the upright rods are fixedly connected with a top plate;
and (3) a hot pressing unit: the electric push rod is arranged in an installation port in the center of the top plate, the lifting plate is arranged at the lower end of a telescopic end of the electric push rod, the middle part of the bottom surface of the lifting plate is provided with a groove, the lower end of the inside of the groove is provided with a pressing plate, the electric heating wires are arranged in the groove and the concave cavity, and the whole inside formed by the groove and the pressing plate and the whole inside formed by the concave cavity and the bearing plate are filled with heat conducting oil;
wherein: the front side of base is equipped with control switch group, and the input electricity of control switch group is connected external power source, and the equal electricity of electric putter and electric heater strip is connected control switch group's output, can accomplish the hot pressing work to lithium ion battery coiling electric core voluntarily, very big reduction personnel's work burden, and can make the even and quick transmission of heat that electric heater strip produced in hot pressing process, make lithium ion battery coiling electric core fully heated, ensure lithium ion battery coiling electric core hot pressing work's efficiency and final quality.
Furthermore, the bearing plate is a high heat conduction alumina bearing plate, and the pressing plate is a high heat conduction alumina pressing plate, so that the normal development of hot pressing work of the winding battery core of the lithium ion battery can be ensured by utilizing the high heat conduction characteristic and the high hardness characteristic of alumina.
Further, the rotary drums are connected in the round holes symmetrically arranged on the four corners of the upper surface of the lifting disc through bearings in a rotating mode, and the rotary drums are respectively movably sleeved outside the vertical corresponding vertical rods, so that a certain guiding supporting effect can be provided for the lifting disc.
Further, the ball grooves formed in the upper and lower symmetrical inner arc walls of the rotary drum are rotationally connected with rolling balls, the spiral grooves are formed in the outer arc surfaces of the vertical rods, and the rolling balls are located inside the vertically corresponding spiral grooves and can promote the rotary drum to rotate.
Further, the stirring frames are connected to four corners of the inner top wall of the groove through bearings in a rotating mode, driving belt grooves formed in the upper end of the outer cambered surface of the rotary drum are connected with driven belt grooves formed in the upper side extension end of the stirring frame adjacent to the same side through belts in a transmission mode, and heat conduction oil in the groove can be stirred.
Further, be equipped with the motor in the fluting of base bottom surface center department, the output shaft of motor rotates with the base through the bearing and is connected and extend to the inside of cavity, and the output shaft upper end of motor is equipped with bilateral symmetry's stirring piece, and the output of control switch group can be stirred to the conduction oil of cavity inside to the input electricity connection of motor.
Furthermore, the lower ends of the left side surface and the right side surface of the base are provided with notches, and the inner bottom surfaces of the notches are provided with fixing holes which are symmetrical front and back, so that the base can be fixed, and the stability of hot pressing operation of the winding electric core of the lithium ion battery is ensured.
Compared with the prior art, the utility model has the beneficial effects that: the hot-pressing die for the lithium ion battery winding cell has the following advantages:
1. the base is connected with the installation position by using an external bolt to penetrate through the fixing hole, the fixing of the base is achieved, the stability of hot-pressing work of the lithium ion battery winding battery core is ensured, then a person places the lithium ion battery winding battery core on the upper surface of the bearing plate, the electric push rod stretches downwards to push the lifting plate to move downwards through the regulation and control of the control switch group, in the process, the electric heating wire is electrified to convert electric energy into heat energy, the bearing plate or the pressing plate heats up through the heat transfer of the heat conducting oil, and finally the bearing plate and the pressing plate in the high-temperature state can extrude the lithium ion battery winding battery core, so that the hot-pressing work of the lithium ion battery winding battery core is automatically completed, and the labor burden of the person is greatly lightened.
2. In the hot pressing process of the lithium ion battery winding battery core, the rolling ball can change in position along the track of the spiral groove, the rotary drum is driven to rotate in the process of moving downwards along with the lifting disc, the stirring frame can rotate along with the rotation of the stirring frame to stir heat conduction oil in the groove due to the influence of transmission acting force generated by the belt, the motor is operated to drive the stirring sheet to rotate so as to stir the heat conduction oil in the concave cavity, the heat conduction oil is in a flowing state, and heat generated by the electric heating wire is uniformly and rapidly transferred to the bearing plate or the pressing plate, so that the efficiency and the final quality of the hot pressing work of the lithium ion battery winding battery core are ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the present utility model in an inner cross-section;
FIG. 3 is a schematic view of the internal cross-section of the drum of the present utility model.
In the figure: 1 base, 2 concave cavities, 3 bearing plates, 4 vertical rods, 5 top plates, 6 hot-pressing units, 61 electric push rods, 62 lifting plates, 63 grooves, 64 pressing plates, 65 electric heating wires, 66 heat conducting oil, 7 control switch groups, 8 rotary drums, 9 rolling balls, 10 spiral grooves, 11 stirring frames, 12 belts, 13 motors, 14 stirring sheets, 15 notches and 16 fixing holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution: a hot-pressing die for a lithium ion battery winding cell comprises a base 1 and a hot-pressing unit 6;
base 1: the upper surface of the lithium ion battery winding battery core is provided with a concave cavity 2, the upper end of the inside of the concave cavity 2 is provided with a supporting plate 3, upright rods 4 are symmetrically arranged at four corners of the upper surface of the supporting plate 3, the upper ends of the upright rods 4 are fixedly connected with a top plate 5, and a person can carry out subsequent hot pressing work by placing the lithium ion battery winding battery core on the upper surface of the supporting plate 3;
and (6) a hot pressing unit: the lithium ion battery winding electric core comprises an electric push rod 61, a lifting disc 62, a groove 63, a pressing plate 64, an electric heating wire 65 and heat conduction oil 66, wherein the electric push rod 61 is arranged in an installation port in the center of a top plate 5, the lifting disc 62 is arranged at the lower end of a telescopic end of the electric push rod 61, the groove 63 is arranged in the middle of the bottom surface of the lifting disc 62, the pressing plate 64 is arranged at the lower end of the inner part of the groove 63, the electric heating wire 65 is arranged in the grooves 63 and the concave cavity 2, the heat conduction oil 66 is filled in the whole inner part formed by the grooves 63 and the pressing plate 64 and the whole inner part formed by the concave cavity 2 and the bearing plate 3, the bearing plate 3 is a high heat conduction alumina bearing plate, the pressing plate 64 is a high heat conduction alumina pressing plate, the electric push rod 61 stretches downwards to push the lifting disc 62 downwards through the regulation and control of a control switch group 7, in the process, the electric heating wire 65 is electrified to convert electric energy into heat energy, the bearing plate 3 or the pressing plate 64 is heated through the heat transfer of the heat conduction plate 64, and finally the bearing plate 3 and the pressing plate 64 in a high temperature state can squeeze the lithium ion battery winding electric core, so that the efficiency and the final quality of the lithium ion battery winding electric core are ensured;
wherein: the front side of the base 1 is provided with a control switch group 7, the input end of the control switch group 7 is electrically connected with an external power supply, and the input ends of the electric push rod 61 and the electric heating wire 65 are electrically connected with the output end of the control switch group 7.
Wherein: the round holes symmetrically arranged on four corners of the upper surface of the lifting disc 62 are respectively and rotatably connected with a rotary drum 8 through bearings, the rotary drum 8 is respectively and movably sleeved outside the vertical corresponding upright rods 4, the spherical grooves symmetrically arranged on the upper and lower sides of the inner arc wall of the rotary drum 8 are respectively and rotatably connected with rolling balls 9, the outer arc surfaces of the upright rods 4 are respectively provided with spiral grooves 10, the rolling balls 9 are respectively positioned inside the vertical corresponding spiral grooves 10, four corners of the inner top wall of each groove 63 are respectively and rotatably connected with stirring frames 11 through bearings, driving belt grooves arranged at the upper end of the outer arc surface of the rotary drum 8 are respectively and rotatably connected with driven belt grooves at the extending end of the upper side of the stirring frame 11 adjacent to the same side through belts 12, in the process of downward movement of the lifting disc 62, the rolling balls 9 are subjected to position change along the track of the spiral grooves 10, the rotary drum 8 is caused to rotate along with the downward movement of the lifting disc 62, and the stirring frames 11 are rotated along with the stirring frames so as to stir the heat conducting oil 66 in the grooves 63 due to the influence of the transmission force generated by the belts 12, the heat conducting oil 66 is in a flowing state, and the heat conducting oil 66 is uniformly and rapidly transferred to the pressing plates 64.
Wherein: a motor 13 is arranged in a groove at the center of the bottom surface of the base 1, an output shaft of the motor 13 is rotationally connected with the base 1 through a bearing and extends to the inside of the concave cavity 2, a stirring piece 14 which is bilaterally symmetrical is arranged at the upper end of the output shaft of the motor 13, the input end of the motor 13 is electrically connected with the output end of the control switch group 7, and the motor 13 runs to drive the stirring piece 14 to rotate so as to stir heat conduction oil 66 in the concave cavity 2.
Wherein: the lower ends of the left side surface and the right side surface of the base 1 are respectively provided with a notch 15, the inner bottom surfaces of the notches 15 are respectively provided with a front-back symmetrical fixing hole 16, the base 1 is connected with the installation part by using an external bolt to penetrate through the fixing holes 16, the fixing of the base 1 is realized, and the stability of hot pressing work of the winding battery core of the lithium ion battery is ensured.
The utility model provides a hot-pressing die for a lithium ion battery winding cell, which has the following working principle: the base 1 is connected with the installation part by using an external bolt to penetrate through the fixing hole 16, the fixing of the base 1 is achieved, the stability of hot pressing work of the lithium ion battery winding battery core is ensured, then a person places the lithium ion battery winding battery core on the upper surface of the bearing plate 3, through the regulation and control of the control switch group 7, the electric push rod 61 stretches downwards to push the lifting plate 62 to move downwards, in the process, the electric heating wire 65 is electrified to convert electric energy into heat energy, the bearing plate 3 or the pressing plate 64 heats up through heat transfer of the heat transfer oil 66, the rolling ball 9 can change in position along the track of the spiral groove 10, the rotary drum 8 is caused to rotate in the process of moving downwards along with the lifting plate 62, and the stirring frame 11 rotates along with the stirring of the heat transfer oil 66 inside the groove 63 due to the transmission acting force generated by the belt 12, the motor 13 rotates to drive the stirring plate 14 to stir the heat transfer oil 66 inside the concave cavity 2, the heat transfer oil 66 is enabled to be in a flowing state, and heat generated by the electric heating wire 65 is evenly and rapidly transferred to the bearing plate 3 or the pressing plate 64, and finally the lithium ion battery winding battery core and the lithium ion battery winding battery core are extruded, and the quality of the lithium ion battery winding battery core is ensured.
It should be noted that, in the above embodiment, the electric push rod 61 is a SY-a04A electric push rod, the electric heating wire 65 is a BGH nickel-chromium heating wire, the motor 13 is a GNB2118A motor, and the control switch group 7 is provided with switch buttons corresponding to the electric push rod 61, the electric heating wire 65 and the motor 13 one by one for controlling the switching operation thereof.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A hot pressing mould for lithium ion battery coiling electric core, its characterized in that: comprises a base (1) and a hot pressing unit (6);
base (1): the upper surface of the upper frame is provided with a concave cavity (2), the upper end of the inside of the concave cavity (2) is provided with a bearing plate (3), the four corners of the upper surface of the bearing plate (3) are symmetrically provided with vertical rods (4), and the upper ends of the vertical rods (4) are fixedly connected with a top plate (5);
hot pressing unit (6): the electric heating device comprises an electric push rod (61), a lifting disc (62), a groove (63), a pressing plate (64), an electric heating wire (65) and heat conduction oil (66), wherein the electric push rod (61) is arranged in an installation port in the center of a top plate (5), the lifting disc (62) is arranged at the lower end of a telescopic end of the electric push rod (61), the middle part of the bottom surface of the lifting disc (62) is provided with the groove (63), the pressing plate (64) is arranged at the lower end of the inner part of the groove (63), the electric heating wire (65) is arranged in the grooves (63) and the concave cavities (2), and the heat conduction oil (66) is filled in the whole inner part formed by the grooves (63) and the pressing plate (64) and the whole inner part formed by the concave cavities (2) and a bearing plate (3);
wherein: the front side of the base (1) is provided with a control switch group (7), the input end of the control switch group (7) is electrically connected with an external power supply, and the input ends of the electric push rod (61) and the electric heating wire (65) are electrically connected with the output end of the control switch group (7).
2. The hot-pressing die for a lithium ion battery winding cell according to claim 1, wherein: the bearing plate (3) is a high-heat-conductivity alumina bearing plate, and the pressing plate (64) is a high-heat-conductivity alumina pressing plate.
3. The hot-pressing die for a lithium ion battery winding cell according to claim 1, wherein: the rotary drums (8) are respectively and movably sleeved outside the vertical corresponding upright rods (4) in the rotary holes symmetrically arranged in four corners of the upper surface of the lifting disc (62) through bearings.
4. A hot press mold for a lithium ion battery winding cell according to claim 3, wherein: the ball grooves symmetrically arranged on the upper and lower sides of the inner arc wall of the rotary drum (8) are respectively and rotatably connected with a rolling ball (9), the outer arc surfaces of the vertical rods (4) are respectively provided with a spiral groove (10), and the rolling balls (9) are respectively positioned inside the vertically corresponding spiral grooves (10).
5. A hot press mold for a lithium ion battery winding cell according to claim 3, wherein: the four corners of the inner top wall of the groove (63) are respectively connected with a stirring frame (11) through bearings in a rotating way, and driving belt grooves arranged at the upper end of the outer cambered surface of the rotary drum (8) are respectively connected with driven belt grooves at the upper side extension end of the stirring frame (11) adjacent to the same side through belts (12) in a transmission way.
6. The hot-pressing die for a lithium ion battery winding cell according to claim 1, wherein: a motor (13) is arranged in a groove in the center of the bottom surface of the base (1), an output shaft of the motor (13) is rotationally connected with the base (1) through a bearing and extends to the inside of the concave cavity (2), stirring blades (14) which are bilaterally symmetrical are arranged at the upper end of the output shaft of the motor (13), and the input end of the motor (13) is electrically connected with the output end of the control switch group (7).
7. The hot-pressing die for a lithium ion battery winding cell according to claim 1, wherein: the lower ends of the left side surface and the right side surface of the base (1) are respectively provided with a notch (15), and the inner bottom surfaces of the notches (15) are respectively provided with a front-back symmetrical fixing hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320366888.5U CN219457723U (en) | 2023-03-02 | 2023-03-02 | Hot-pressing die for winding battery core of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320366888.5U CN219457723U (en) | 2023-03-02 | 2023-03-02 | Hot-pressing die for winding battery core of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219457723U true CN219457723U (en) | 2023-08-01 |
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ID=87380476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320366888.5U Active CN219457723U (en) | 2023-03-02 | 2023-03-02 | Hot-pressing die for winding battery core of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219457723U (en) |
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2023
- 2023-03-02 CN CN202320366888.5U patent/CN219457723U/en active Active
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