CN210607467U

CN210607467U - Electricity core hot press unit

Info

Publication number: CN210607467U
Application number: CN201922047916.3U
Authority: CN
Inventors: 周俊杰; 冯钦凌; 黄振奎; 蔡海生
Original assignee: Guangdong Lyric Robot Intelligent Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-05-22
Anticipated expiration: 2029-11-21

Abstract

The application provides a battery core hot press unit, belongs to battery production facility field. Cell hot press unit is including base, last hot pressboard, lower hot pressboard, drive arrangement and climbing mechanism. The upper hot pressing plate is movably arranged on the base. The lower hot pressing plate is arranged on the base. The driving device is used for driving the upper hot pressing plate to move along the up-down direction relative to the base so that the upper hot pressing plate and the lower hot pressing plate are matched to extrude the battery core. The jacking mechanism is used for jacking the battery cell so as to separate the battery cell from the lower hot pressing plate. After the electric core is placed on the lower hot pressing plate, the upper hot pressing plate is driven by the driving device to move downwards, so that the electric core is extruded by matching the upper hot pressing plate with the lower hot pressing plate, and hot pressing on the electric core can be realized. After hot pressing is accomplished, hot pressboard rebound in the drive arrangement drive makes and goes up hot pressboard and electric core separation, and rethread climbing mechanism makes electric core and lower hot pressboard separation to electric core jack-up on the hot pressboard down, avoids electric core and lower hot pressboard to produce the adhesion, has improved production efficiency effectively.

Description

Electricity core hot press unit

Technical Field

The application relates to the field of battery production equipment, in particular to a battery core hot-pressing device.

Background

At present, before the formation of the battery cell, the battery cell needs to be hot-pressed by a hot-pressing device so as to extrude surplus electrolyte out of the air bag. After the existing hot-pressing device carries out hot pressing on the battery core, the battery core is easy to adhere to a lower hot pressing plate, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a cell hot press unit to improve the problem that the current hot press unit produces the adhesion to cell hot pressing back electric core easily with lower hot pressboard.

In a first aspect, an embodiment of the present application provides a cell hot-pressing apparatus, which includes a base, an upper hot-pressing plate, a lower hot-pressing plate, a driving apparatus, and a jacking mechanism;

the upper hot pressing plate is movably arranged on the base;

the lower hot pressing plate is arranged on the base;

the driving device is used for driving the upper hot pressing plate to move relative to the base along the up-and-down direction so that the upper hot pressing plate and the lower hot pressing plate are matched to extrude the battery cell;

the jacking mechanism is used for jacking the battery cell so as to separate the battery cell from the lower hot pressing plate.

Among the above-mentioned technical scheme, electric core places back on hot pressboard down, moves down through drive arrangement drive upper hot pressboard, makes upper hot pressboard and lower hot pressboard cooperation extrusion electric core, then can realize the hot pressing to electric core. After the hot pressing is accomplished, hot pressboard rebound in the drive arrangement drive makes and goes up hot pressboard and electric core separation, and rethread climbing mechanism makes electric core and lower hot pressboard separation to electric core jack-up on the hot pressboard down, avoids electric core and lower hot pressboard to produce the adhesion, is convenient for follow-up take out electric core from hot press unit, has improved production efficiency effectively.

In addition, the battery cell hot-pressing device provided by the embodiment of the application further has the following additional technical characteristics:

in some embodiments of the present application, the jacking mechanism comprises an actuator and a jacking device;

the lower hot pressing plate is provided with a placing surface for placing the battery cells;

the actuating piece and the base are connected through the jacking device, and the jacking device is used for driving the actuating piece to move in the vertical direction, so that the top end of the actuating piece is located at a first position higher than the placing surface and at a second position lower than the placing surface.

Among the above-mentioned technical scheme, climbing mechanism includes jacking piece and jacking device, drives the top that the executive component can make the executive component along upper and lower direction rebound through jacking device and is located the first position that is higher than the face of placing, then can avoid electric core and place the face production adhesion of electric core jack-up on the face, simple structure easily realizes.

In some embodiments of the present application, the lower hot press plate is provided with a through hole penetrating through the placing surface and used for the execution member to pass through.

Among the above-mentioned technical scheme, be equipped with on the lower hot pressboard and link up the face of placing and be used for supplying the wearing out hole that the executive component wore out, the executive component is promptly at the in-process of jack-up electricity core, and the executive component will be worn out from wearing out the hole to with electric core jack-up steadily.

In some embodiments of the present application, the actuator includes a plurality of support portions arranged at intervals;

the penetrating holes comprise a plurality of pore passages which are arranged at intervals on the lower hot pressing plate and penetrate through the placing surface;

each pore passage is correspondingly provided with a supporting part.

Among the above-mentioned technical scheme, the executive component includes a plurality of supporting parts, and a plurality of supporting parts can play the multiple spot to electric core and support for the electric wire separates with placing the face more easily, simultaneously, has improved the stationarity of electric core at the in-process by the jack-up. In addition, each pore channel correspondingly provides a supporting part to penetrate out, so that the pore channels can play a role in guiding the supporting part, and the stability of the supporting part in the process of moving in the up-and-down direction is ensured.

In some embodiments of the present application, the actuator further comprises a substrate;

the plurality of supporting parts are arranged on the base plate at intervals, and the base plate is connected to the output end of the jacking device.

Among the above-mentioned technical scheme, all supporting parts all connect in the base plate, and the base plate plays the effect of connecting each supporting part, guarantees to have definite position relation between each supporting part. In addition, the base plate is convenient to connect the executive component with the jacking device.

In some embodiments of the present application, the lower hot press plate has a placing surface on which the battery cells are placed;

the lower hot pressing plate is provided with a plurality of first vent holes penetrating through the placing surface.

Among the above-mentioned technical scheme, be equipped with on the hot pressboard down and link up a plurality of first ventilations of placing the face can let in gas to first air vent at the in-process that the electric core jack-up on the face of placing of hot pressboard will be down through climbing mechanism, and the gas that lets in acts on the lower surface of electric core to make electric core and placing the face easier to separate.

In some embodiments of the present application, the upper hot press plate has a pressing surface facing the placing surface, and the upper hot press plate is provided with a plurality of second vent holes penetrating through the pressing surface.

Among the above-mentioned technical scheme, go up and be equipped with a plurality of second ventholes that link up its compressive plane on the hot pressboard, go up the hot pressboard and at the in-process with electric core separation, can let in gas to the second venthole, the upper surface of the gas action that lets in electric core to make electric core and compressive plane separate more easily.

In some embodiments of the present application, the cell hot-pressing apparatus further includes a heating apparatus for heating the upper hot-pressing plate and the lower hot-pressing plate.

Among the above-mentioned technical scheme, heating device's effect is to heating last hot pressboard and lower hot pressboard to make in hot pressing process middle and upper hot pressboard, lower hot pressboard carry out two side heating to electric core.

In some embodiments of the present application, the cell thermocompression device further comprises a first thermal insulation board and a second thermal insulation board;

the first heat insulation plate is connected between the upper hot pressing plate and the driving device;

the second heat insulation plate is connected between the lower hot pressing plate and the base.

In the technical scheme, the first heat insulation plate is connected between the upper hot pressing plate and the driving device, and plays a role in heat insulation, so that heat on the upper hot pressing plate is transferred to the driving device as little as possible; the second heat insulating plate is connected between the lower heat insulating plate and the base, and plays a role in heat insulation, so that heat on the lower hot pressing plate is transferred to the base as little as possible.

In some embodiments of the present application, the cell hot-pressing apparatus further includes a short-circuit detection mechanism;

the short circuit detection mechanism comprises an upper detection piece, a lower detection piece and a driving piece;

the upper detection piece is connected to the upper hot pressing plate;

the lower detection piece is connected with the base through the driving piece, and the driving piece is used for driving the lower detection piece to move along the vertical direction;

the upper detection piece and the lower detection piece are respectively used for being in contact with two polarity ends of the battery cell.

Among the above-mentioned technical scheme, go up the detection piece and connect in last hot pressboard, the detection piece passes through driving piece and pedestal connection down, in hot pressing process, go up the hot pressboard and extrude in the upper surface of electric core, it will contact with a polarity end of electric core to locate last detection piece on the hot pressboard, through the drive of driving piece down the detection piece along upper and lower direction rebound, then can make down detection piece and another polarity end contact, will go up the detection piece and down the detection piece insert in the short circuit test circuit then can carry out the short circuit test to electric core.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a cell hot-pressing apparatus provided in an embodiment of the present application;

FIG. 2 is a schematic structural view of the lower hot press plate shown in FIG. 1;

fig. 3 is a schematic structural view of the jacking mechanism shown in fig. 1.

Icon: 100-cell hot pressing device; 10-a base; 11-a first U-shaped side plate; 12-a second U-shaped side plate; 13-a top plate; 131-a guide sleeve; 14-a base plate; 20-upper hot pressing plate; 21-extrusion surface; 30-lower hot pressing plate; 31-a placing surface; 32-a first vent; 33-pore channels; 40-a drive device; 41-cylinder; 42-a connecting plate; 421-a guide rod; 422-connecting rod; 50-a jacking mechanism; 51-an actuator; 511-a support; 512-a substrate; 52-a jacking device; 60-a first insulation board; 70-a second insulation board; 80-short circuit detection mechanism; 81-upper detecting element; 82-a lower detection member; 83-drive member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Examples

The embodiment of the application provides a cell hot-pressing device 100, which can effectively prevent the cell from being adhered to a lower hot-pressing plate 30. The structure of the cell hot-pressing apparatus 100 is explained in detail below with reference to fig. 1 to 3.

Fig. 1 is a schematic structural diagram of a cell hot-pressing apparatus 100 provided in an embodiment of the present application; fig. 2 is a schematic structural view of the lower hot press plate 30 shown in fig. 1; fig. 3 is a schematic structural diagram of the jacking mechanism 50 shown in fig. 1.

As shown in fig. 1, the cell hot-pressing apparatus 100 includes a base 10, an upper hot-pressing plate 20, a lower hot-pressing plate 30, a driving apparatus 40, and a jacking mechanism 50.

The hot press plate is movably disposed on the base 10. The lower hot press plate 30 is disposed on the susceptor 10. The driving device 40 is used for driving the upper hot pressing plate 20 to move in the up-down direction relative to the base 10, so that the upper hot pressing plate 20 and the lower hot pressing plate 30 cooperate to press the battery cell. The jacking mechanism 50 is used for jacking the battery cell so as to separate the battery cell from the lower hot pressing plate 30.

In the actual hot pressing process, after the battery cell is placed on the lower hot pressing plate 30, the upper hot pressing plate 20 is driven to move downwards by the driving device 40, so that the battery cell is extruded by the cooperation of the upper hot pressing plate 20 and the lower hot pressing plate 30, and the hot pressing of the battery cell can be realized. After the hot pressing is completed, the driving device 40 drives the upper hot pressing plate 20 to move upwards, so that the upper hot pressing plate 20 is separated from the battery core, the battery core on the lower hot pressing plate 30 is jacked up by the jacking mechanism 50, so that the battery core is separated from the lower hot pressing plate 30, the battery core is prevented from being adhered to the lower hot pressing plate 30, the battery core is conveniently taken out from the hot pressing device subsequently, and the production efficiency is effectively improved.

Wherein the base 10 serves to connect the various components, which may be of various configurations. Illustratively, the base 10 includes a first U-shaped side plate 11, a second U-shaped side plate 12, a top plate 13 and a bottom plate 14, the first U-shaped side plate 11 is arranged in parallel with the second U-shaped side plate 12, the top plate 13 and the bottom plate 14 are both connected between the first U-shaped side plate 11 and the second U-shaped side plate 12, and the top plate 13 is arranged opposite to the bottom plate 14. The lower hot press plate 30 is connected to the bottom plate 14, the upper hot press plate 20 is movably disposed on the top plate 13, the upper hot press plate 20 is connected to the driving device 40, and the upper hot press plate 20 is movable in a partial region between the top plate 13 and the bottom plate 14.

The lower hot press plate 30 has a placing surface 31 for placing the battery cells, and the placing surface 31 is the upper surface of the upper hot press plate 20.

Alternatively, as shown in fig. 2, the lower heat press plate 30 is provided with a plurality of first vent holes 32 penetrating the mounting surface 31. In the process of jacking up the battery cell on the placing surface 31 of the lower hot pressing plate 30 through the jacking mechanism 50, gas can be introduced into the first vent hole 32 through an external gas supply device, and the introduced gas acts on the lower surface of the battery cell, so that the battery cell is more easily separated from the placing surface 31.

Illustratively, the plurality of first vent holes 32 on the lower platen 30 are distributed in a rectangular array. The side wall of the lower hot press plate 30 is provided with a plurality of first air inlets, and the first vent holes 32 in each row are communicated with one first air inlet.

Further, as shown in fig. 1, the upper heat press plate 20 has a pressing surface 21 facing the placement surface 31 of the lower heat press plate 30, and the upper heat press plate 20 is provided with a plurality of second vent holes (not shown in fig. 1) penetrating the pressing surface 21.

In the actual hot pressing, the pressing surface 21 of the upper hot press plate 20 and the placing surface 31 of the lower hot press plate 30 press the cells together. After the hot pressing is completed, the extrusion surface 21 of the upper hot pressing plate 20 needs to be separated from the battery cell, in the process of separating the upper hot pressing plate 20 from the battery cell, gas can be introduced into the second vent hole through the external gas supply device, and the introduced gas acts on the upper surface of the battery cell, so that the battery cell is more easily separated from the extrusion surface 21.

Illustratively, the plurality of second vent holes on the upper hot press plate 20 are distributed in a rectangular array. The side wall of the upper hot press plate 20 is provided with a plurality of second air inlets, and the first vent holes 32 in each row are communicated with one second air inlet.

The lower hot press plate 30 and the base 10 may be directly connected or indirectly connected; the upper hot press plate 20 and the driving device 40 may be directly connected or indirectly connected.

In this embodiment, the lower hot press plate 30 is indirectly connected to the base 10, and the lower hot press plate 30 is indirectly connected to the driving device 40. Illustratively, the cell thermocompression device 100 further includes a first thermal insulation board 60 and a second thermal insulation board 70, wherein the first thermal insulation board 60 is connected between the upper thermocompression board 20 and the driving device 40, and the second thermal insulation board 70 is connected between the lower thermocompression board 30 and the base 10. The first insulation board 60 serves as an insulation between the upper hot press plate 20 and the driving device 40, so that heat on the upper hot press plate 20 is transferred to the driving device 40 as little as possible; the second insulation board 70 serves to insulate between the lower hot-press plate 30 and the susceptor 10 so that heat on the lower hot-press plate 30 is transferred to the susceptor 10 as little as possible.

Wherein, the second heat insulation plate 70 is located between the bottom plate 14 of the susceptor 10 and the lower hot press plate 30, that is, the bottom plate 14, the second heat insulation plate 70 and the lower hot press plate 30 are sequentially arranged from bottom to top.

Optionally, the cell hot-pressing apparatus 100 further includes a heating apparatus (not shown in fig. 1) for heating the upper hot-pressing plate 20 and the lower hot-pressing plate 30. The heating device is used for heating the upper hot pressing plate 20 and the lower hot pressing plate 30, so that the upper hot pressing plate 20 and the lower hot pressing plate 30 heat the battery cell on both sides in the hot pressing process.

Illustratively, the heating device comprises a first heating pipe and a second heating pipe, the first heating pipe is arranged in the upper hot-pressing plate 20, and the upper hot-pressing plate 20 can be heated after the first heating pipe is electrified; the second heating pipe is arranged in the lower hot pressing plate 30, and the lower hot pressing plate 30 can be heated after the second heating pipe is electrified.

The driving means 40 is used for driving the upper hot press plate 20 to move in the up-and-down direction with respect to the base 10, and the driving means 40 may have various structures.

Illustratively, the driving device 40 includes a cylinder 41 and a connecting plate 42, wherein the cylinder body of the cylinder 41 is fixed on the top plate 13 of the base 10, and the connecting plate 42 is connected to the piston rod of the cylinder 41. The first thermal insulation board 60 is connected to the connection board 42, and the first thermal insulation board 60 is located between the connection board 42 and the upper hot-pressing board 20, that is, the upper hot-pressing board 20, the first thermal insulation board 60 and the connection board 42 are sequentially arranged from bottom to top. When the cylinder 41 extends, the cylinder 41 drives the connecting plate 42, the first heat insulation plate 60 and the upper hot pressing plate 20 to move downwards together; when the air cylinder 41 is shortened, the air cylinder 41 drives the connecting plate 42, the first heat insulation plate 60 and the upper heat insulation plate 20 to move upward together.

In addition, a guide structure is provided between the connection plate 42 and the base 10 to improve stability during movement of the upper hot press plate 20.

The guide structure comprises a guide rod 421 arranged on the connecting plate 42 and a guide sleeve 131 arranged on the top plate 13 of the base 10, and the guide sleeve 131 is arranged outside the guide rod 421. During the process that the cylinder 41 pushes the downward hot pressing plate 30 to move up and down, the guide rod 421 will move in the guide sleeve 131, so as to ensure the stability during the moving process of the upper hot pressing plate 20.

The number of the guide sleeves 131 and the number of the guide rods 421 may be one, two, three, etc., and the guide sleeves 131 correspond to the guide rods 421 one by one. Illustratively, the guide sleeve 131 and the guide rods 421 are four, and the four guide rods 421 are respectively arranged at four corners of the rectangle. Wherein, the top ends of two guide rods 421 are connected by one connecting rod 422, and the top ends of the other two guide rods 421 are connected by the other connecting rod 422, which can effectively prevent the guide rods 421 from separating from the guide sleeve 131 during the downward movement.

In other embodiments, the driving device 40 may have other structures, for example, a motor and a lead screw are used to drive the lower hot press plate 30 to move up and down.

The jacking mechanism 50 is used to lift the cells on the lower hot press plate 30 away from the lower hot press plate 30, and may have various structures.

In this embodiment, referring to fig. 1 and 3, the jacking mechanism 50 includes an actuator 51 and a jacking device 52. The actuator 51 is connected to the base 10 by a jack 52, and the jack 52 is used for driving the actuator 51 to move in the up-and-down direction, so that the top end of the actuator 51 is located at a first position higher than the placing surface 31 and at a second position lower than the placing surface 31.

In actual work, the jacking device 52 drives the actuating element 51 to move upwards, and the top end of the actuating element 51 is higher than the placing surface 31, so that the battery cell on the placing surface 31 can be jacked up, and the battery cell is prevented from being adhered to the placing surface 31; after the actuator 51 is driven by the jacking device 52 to move downwards and the top end of the actuator 51 is lower than the placing surface 31, the battery core can be placed on the placing surface 31. The jacking mechanism 50 has a simple structure, good controllability and easy realization.

Further, with reference to fig. 2, the lower heat press plate 30 is provided with a through hole for passing the actuator 51 through the mounting surface 31.

Before the operation of the actuating member 51, the actuating member 51 can be hidden under the lower hot press plate 30, and in the process of jacking up the battery core by the actuating member 51, the actuating member 51 penetrates out of the through hole, so that the battery core is conveniently and smoothly jacked up.

Optionally, the actuator 51 includes a plurality of support portions 511 arranged at intervals. The punching holes include a plurality of hole passages 33 arranged at intervals on the lower heat press plate 30 and penetrating the placement surface 31. One support portion 511 is provided for each passage 33.

The multiple supporting parts 511 in the actuating part 51 can support the battery cell at multiple points, so that the electric wire and the placing surface 31 can be separated more easily, and meanwhile, the stability of the battery cell in the jacking process is improved. Under the condition that the battery cell has good stability in the jacking process, the contact area of each supporting part 511 and the battery cell is small, and the adhesion of the actuating part 51 to the battery cell in the jacking process of the battery cell is avoided. In addition, since one supporting portion 511 is provided to penetrate through each duct 33, the duct 33 can guide the supporting portion 511, and stability of the supporting portion 511 in the process of moving in the up-and-down direction is ensured.

In addition, with continued reference to fig. 3, the actuator 51 further includes a base plate 512, a plurality of supporting portions 511 are arranged at intervals on the base plate 512, and the base plate 512 is connected to the output end of the jacking device 52.

All the supporting parts 511 are connected to the substrate 512, and the substrate 512 plays a role of connecting the supporting parts 511, so as to ensure that the supporting parts 511 have a determined positional relationship. The bottom plate 14 is provided to facilitate the connection of the actuator 51 to the jacking device 52. In addition, the base plate 512 has a limiting function, and in the process that the base plate 512 moves upwards under the action of the jacking device 52, the base plate 512 finally abuts against the lower surface of the lower hot pressing plate 30, and the whole actuating element 51 reaches the limit position of moving upwards.

Illustratively, the lifting device 52 is an air cylinder, a cylinder body of the air cylinder is fixed on the bottom plate 14 of the base 10, and an output end of a piston rod of the air cylinder is fixedly connected with the base plate 512.

In other embodiments, the actuating member 51 may also have other structures, for example, the actuating member 51 is integrally in a plate-like structure, and the core on the lower hot press plate 30 can be lifted up when the actuating member 51 passes through an integral through hole under the action of the lifting device 52.

Further, with continued reference to fig. 1, the cell hot-pressing apparatus 100 further includes a short-circuit detection mechanism 80. The short detection mechanism 80 includes an upper detection member 81, a lower detection member 82, and a driving member 83. The upper detecting member 81 is connected to the upper hot press plate 20, the lower detecting member 82 is connected to the base 10 by a driving member 83, and the driving member 83 is used for driving the lower detecting member 82 to move in the up-down direction. The upper detection piece 81 and the lower detection piece 82 are respectively used for contacting with two polarity ends of the battery cell.

In the hot pressing process, the upper hot pressing plate 20 is extruded on the upper surface of the battery cell, the upper detection piece 81 arranged on the upper hot pressing plate 20 is in contact with one polarity end of the battery cell, the lower detection piece 82 is driven by the driving piece 83 to move upwards along the vertical direction, the lower detection piece 82 can be in contact with the other polarity end, and the upper detection piece 81 and the lower detection piece 82 are connected into the short circuit test circuit to perform short circuit test on the battery cell. The electric core can be subjected to short circuit test while being hot-pressed, and two procedures can be completed on the same device.

It should be noted that the upper detecting member 81 may be directly connected to the upper hot press plate 20, or may be indirectly connected to the upper hot press plate 20, for example, the upper detecting member 81 is directly connected to the first heat insulating plate 60.

Illustratively, the driving member 83 is an air cylinder, a cylinder body of the air cylinder is fixed on the base 10, and a piston rod of the air cylinder is fixedly connected with the lower detecting member 82. The up-and-down movement of the lower detection can be realized through the extension and contraction of the air cylinder.

The upper detecting member 81 and the lower detecting member 82 are each a block structure having a conductive capability.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a electricity core hot press unit which characterized in that includes:

a base;

the upper hot pressing plate is movably arranged on the base;

the lower hot pressing plate is arranged on the base;

the driving device is used for driving the upper hot pressing plate to move along the vertical direction relative to the base so as to enable the upper hot pressing plate and the lower hot pressing plate to be matched with each other to extrude the battery cell; and

2. The cell hot-pressing device according to claim 1, wherein the jacking mechanism comprises an actuator and a jacking device;

the lower hot pressing plate is provided with a placing surface for placing the battery core;

3. The cell core hot-pressing device according to claim 2, wherein the lower hot-pressing plate is provided with a through hole which penetrates through the placing surface and through which the actuating member passes.

4. The cell hot-pressing device according to claim 3, wherein the actuating member includes a plurality of support portions arranged at intervals;

each pore passage is correspondingly provided with a supporting part.

5. The cell hot-pressing device according to claim 4, wherein the actuator further comprises a substrate;

6. The cell hot-pressing device according to claim 1, wherein the lower hot-pressing plate has a placing surface on which the cells are placed;

7. The cell core hot-pressing device according to claim 6, wherein the upper hot-pressing plate has a pressing surface facing the placing surface, and a plurality of second vent holes penetrating through the pressing surface are formed in the upper hot-pressing plate.

8. The cell hot-pressing apparatus of claim 1, further comprising a heating apparatus for heating the upper hot-pressing plate and the lower hot-pressing plate.

9. The cell hot-pressing apparatus according to claim 1, further comprising a first thermal insulation board and a second thermal insulation board;

10. The cell hot-pressing apparatus according to claim 1, further comprising a short-circuit detection mechanism;

the upper detection piece is connected to the upper hot pressing plate;