CN116344954A - Carrying tool for heating electric core and electric core heating device - Google Patents

Abstract

The application relates to a delivery frock and electric core heating device for electric core heating, including frame, a plurality of clamping components and locate the conveying component, first operating structure and the second operating structure of frame. The frame is configured with a feeding area, a heating area and a discharging area which are sequentially arranged along a first direction, and each clamping assembly is configured with a clamping cavity. The conveying assembly comprises a closed annular conveying belt, part of conveying sections of the conveying belt are arranged corresponding to the feeding area, the heating area and the discharging area, a plurality of clamping assemblies are connected to the conveying belt along the circumferential direction, and the conveying belt is configured to be capable of circularly moving on the frame so as to drive the plurality of clamping assemblies connected to the conveying belt to pass through the feeding area, the heating area and the discharging area one by one. The first operation structure is used for clamping the clamping assembly passing through the feeding area, and the second operation structure is used for opening the clamping cavity of the clamping assembly passing through the discharging area. The carrying tool for heating the electric core and the electric core heating device are high in heating efficiency.

Description

Carrying tool for heating electric core and electric core heating device

Technical Field

The application relates to the technical field of lithium battery production, in particular to a carrying tool for heating a battery cell and a battery cell heating device.

Background

In the production process of lithium batteries, the battery core and the like need to be heated, and the existing battery core heating process mainly adopts a preheating furnace device for heating. In the preheating furnace device, a drawer type clamping device is generally adopted for loading the battery cells, a mechanical arm is used for loading the battery cells to the clamping device at the feeding position, the battery cells are pushed into the preheating furnace for heating, the battery cells are pushed to the discharging position after the heating is finished, and the mechanical arm is used for discharging the heated battery cells, so that the heating of the battery cells can be finished. However, the loading and unloading of the battery cells take a certain time, and the preheating furnace can only be in a waiting state during the loading or unloading of the battery cells, so that the preheating furnace device of the related art has the problem of low heating efficiency.

Disclosure of Invention

Accordingly, it is necessary to provide a carrying tool for heating a battery cell and a battery cell heating device, aiming at the problem of low heating efficiency of the conventional preheating furnace device.

In a first aspect, the present application provides a carrying tool for heating a battery cell, including a frame, a plurality of clamping assemblies and a conveying assembly, a first operation structure and a second operation structure arranged on the frame. The frame is provided with a feeding area, a heating area and a discharging area which are sequentially arranged along a first direction. Further, each clamping assembly is configured with a clamping cavity. Further, the conveying assembly comprises a closed annular conveying belt, a part of conveying sections of the conveying belt are arranged corresponding to the feeding area, the heating area and the discharging area, a plurality of clamping assemblies are connected to the conveying belt along the circumferential direction, and the conveying belt is configured to circularly move on the frame so as to drive the plurality of clamping assemblies connected to the conveying belt to pass through the feeding area, the heating area and the discharging area one by one. Still further, the first operating structure is configured to clamp the clamping assembly passing through the loading area, and the second operating structure is configured to open the clamping cavity of the clamping assembly passing through the unloading area.

According to the carrying tool for heating the battery cell, the closed annular conveying belt is arranged, part of conveying sections of the conveying belt correspond to the feeding area, the heating area and the discharging area, and the conveying belt can do circular motion on the frame, so that when the conveying belt does circular motion on the frame, the plurality of clamping assemblies arranged in the circumferential direction of the conveying belt are driven to pass through the feeding area, the heating area and the discharging area one by one. Therefore, the conveying belt not only can drive each clamping assembly to sequentially pass through the feeding area, the heating area and the discharging area to complete the whole heating process of the battery cell, but also a plurality of clamping assemblies arranged on the conveying belt can be simultaneously positioned in the process of heating the battery cell, namely, after one clamping assembly completes the heating of the battery cell in the heating area, the clamping assembly positioned behind the clamping assembly can immediately enter the heating area without waiting for loading or unloading the battery cell on the clamping assembly. Therefore, the clamping assembly is driven to move in a reciprocating manner by the conveyor belt capable of performing circulating motion on the frame, so that the waiting time for loading and unloading the battery cells is saved, and the heating efficiency of the battery cells is greatly improved.

In one embodiment, the conveying assembly comprises a first transmission assembly, a second transmission assembly and a driving assembly, the first transmission assembly and the second transmission assembly are respectively arranged on two sides of the frame along the first direction, the output end of the driving assembly is connected to the end part of the first transmission assembly, and the conveying belt is stretched and connected between the first transmission assembly and the second transmission assembly in a transmission manner.

In one embodiment, the number of the conveying belts is two, the first transmission assembly comprises a first transmission shaft and two first transmission wheels arranged on the first transmission shaft, the second transmission assembly comprises a second transmission shaft, and two second transmission wheels are arranged on the second transmission shaft at corresponding positions of the two first transmission wheels. The connecting lines of the centers of a group of corresponding first driving wheels and second driving wheels are parallel to the first direction. Each conveyer belt is engaged and matched between a corresponding group of first driving wheels and second driving wheels.

In one embodiment, the conveying assembly further comprises a pair of tensioning assemblies, and the tensioning assemblies are arranged at two ends of the second transmission assembly along the second direction. Each tensioning assembly comprises a sliding groove and a push rod, the sliding groove extends along the first direction, at least part of the structure of the second transmission assembly is slidably mounted in the sliding groove, and the push rod is used for driving the second transmission assembly to move along the extending direction of the sliding groove. Wherein the first direction and the second direction are perpendicular to each other.

In one embodiment, the clamping assembly comprises a first clamping plate and a second clamping plate in sliding connection, the first clamping plate and the second clamping plate together define a clamping cavity, and the conveyor belt is connected to one side of the second clamping plate facing away from the first clamping plate. When the clamping assembly is clamped, the first clamping plate and the second clamping plate are in a first state, and the first state is a state when the distance between the first clamping plate and the second clamping plate is minimum.

In one embodiment, an elastic member and a guide member are provided between the first clamping plate and the second clamping plate, and the elastic member is provided between the first clamping plate and the second clamping plate and is configured to apply an elastic force to the first clamping plate away from the second clamping plate. The guide piece is perpendicular to the first clamping plate and the second clamping plate, one end of the guide piece is connected with the first clamping plate, and the other end of the guide piece penetrates through the second clamping plate.

In one embodiment, the carrying tool for heating the battery cell further comprises at least one first adjusting guide rail arranged on the frame, the first adjusting guide rail extends along the first direction, and the first clamping plate is abutted to the first adjusting guide rail and can slide along the extending direction of the first adjusting guide rail. The first adjusting guide rail comprises a first bending section corresponding to the feeding area, a second bending section corresponding to the discharging area and a straight line section located between the first bending section and the second bending section, part of the guide rail section of the straight line section corresponds to the heating area, the end part of the first bending section, far away from the straight line section, is preset with the straight line section, and the end part of the second bending section, far away from the straight line section, is preset with the straight line section. The first curved section forms a first operating structure and the second curved section forms a second operating structure. When the first clamping plate is positioned on the straight line section, the first clamping plate and the second clamping plate are in a first state.

In one embodiment, a plurality of installation components are arranged on the first adjusting guide rail, each installation component comprises a fixing piece, a supporting piece and an adjusting piece, each adjusting piece is arranged between each fixing piece and each supporting piece, each fixing piece is fixedly connected with the corresponding first adjusting guide rail, each supporting piece is fixedly connected with the corresponding frame, and each adjusting piece is used for adjusting the installation height of the corresponding first adjusting guide rail on the corresponding frame.

In one embodiment, the number of the first adjusting guide rails is two, and the first adjusting guide rails are respectively abutted with two opposite ends of the first clamping plate. The carrying tool for heating the battery cell further comprises at least one second adjusting guide rail, the second adjusting guide rail is arranged between the two first adjusting guide rails, the second adjusting guide rail extends along the first direction and passes through the heating area, and the second adjusting guide rail is abutted to the top of the first clamping plate.

In one embodiment, the carrying tool for heating the battery cell further comprises a supporting guide rail assembly arranged on the frame, the supporting guide rail assembly extends along the first direction, and the second clamping plate is abutted to the supporting guide rail assembly and slides along the extending direction of the supporting guide rail assembly.

In a second aspect, the present application provides a cell heating device, including a carrying tool for heating a cell and a plurality of heating modules in any one of the embodiments. Wherein, a plurality of heating modules are located the heating region and set up along the conveyer belt interval, and every heating module all has the heating chamber that is used for heating the electrical core, and the conveyer belt can drive the clamping assembly and get into above-mentioned heating chamber one by one. According to the scheme, the clamping assembly is driven to move in a reciprocating manner through the conveying belt capable of performing circulating motion on the frame, so that the waiting time for loading and unloading the battery cells is saved, and the heating efficiency of the battery cells is greatly improved.

In one embodiment, the spacing between two adjacent clamping assemblies is equal to the spacing between two adjacent heating chambers, and the spacing between any two adjacent heating chambers is equal.

Drawings

Fig. 1 is a schematic structural diagram of a carrying tool for heating a battery cell and a partial enlarged view of a conveyor belt according to an embodiment of the present application;

fig. 2 is a front view of a carrying tool for heating a battery cell according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a clamping assembly in a carrying tool for heating a battery cell according to an embodiment of the present application in a first state;

fig. 4 is a schematic structural diagram of a clamping assembly in the carrying tool for heating a battery cell according to an embodiment of the present application in a second state;

fig. 5 is a schematic structural diagram of a guide rail assembly in a carrying tool for heating a battery cell according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a first adjusting rail in a carrying tool for heating a battery cell according to another embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of an installation component in a carrying tool for heating a battery cell according to another embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a battery core heating device according to an embodiment of the present disclosure;

FIG. 9 is an enlarged view of a portion of FIG. 8 at A;

FIG. 10 is a partial enlarged view at B in FIG. 8;

fig. 11 is a structural side view of a cell heating device according to an embodiment of the present application.

Reference numerals: 1-a frame; 11-a feeding area; 12-a heating zone; 121-a heating module; 1211-a heating chamber; 121 a-a first electromagnetic coil; 121 b-a second induction coil; 13-a blanking area; 2-a clamping assembly; 21-a clamping cavity; 22-a first splint; 221-a first roller; 222-a second roller; 23-a second splint; 231-third roller; 24-elastic member; 25-guides; 3-a conveying assembly; 31-a conveyor belt; 311-connecting piece; 32-a first transmission assembly; 321-a first transmission shaft; 322-a first drive wheel; 33-a second transmission assembly; 331-a second drive shaft; 332-a second driving wheel; 34-a drive assembly; 341-a drive motor; 342-a speed reducer; 35-a tensioning assembly; 351-sliding grooves; 352-push rod; 353-a first tensioning member; 354-a second tensioning member; 36-a third transmission assembly; 37-fourth drive assembly; 4-a first adjusting guide rail; 41-a first curved section; 42-a second curved section; 43-straight line segment; 5-mounting an assembly; 51-a fixing member; 52-a support; 53-an adjusting member; 6-a second adjusting guide rail; 7-supporting the rail assembly; 71-a first support rail; 72-a second support rail; 8-cell.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a carrying tool for heating a battery cell and a partially enlarged view of a conveyor belt 31 in an embodiment of the present application, and fig. 2 is a front view of the carrying tool for heating a battery cell in an embodiment of the present application, where the carrying tool for heating a battery cell provided in an embodiment of the present application includes a frame 1, a plurality of clamping assemblies 2, and a conveying assembly 3, a first operation structure and a second operation structure disposed on the frame 1.

The frame 1 is configured with a feeding area 11, a heating area 12 and a discharging area 13 sequentially arranged along a first direction X, each clamping assembly 2 loads the battery cell 8 in the feeding area 11, heats the battery cell 8 in the heating area 12, and discharges the battery cell 8 in the discharging area 13 so that the battery cell 8 flows into a next processing procedure. Specifically, the first direction X may be a longitudinal direction of the rack 1.

Further, each clamping assembly 2 is configured with a clamping cavity 21, which clamping cavity 21 is used for loading the battery cells 8, i.e. the battery cells 8 are carried in the clamping cavity 21 and the heating process is completed. The specific number of clamping cavities 21 in each clamping assembly 2 is not limited in the present application, as long as the function of loading the battery cells 8 can be achieved. Illustratively, two clamping chambers 21 may be provided within each clamping assembly 2.

Further, the conveying assembly 3 includes a closed annular conveying belt 31, a part of conveying sections of the conveying belt 31 are arranged corresponding to the feeding area 11, the heating area 12 and the discharging area 13, a plurality of clamping assemblies 2 are circumferentially connected to the conveying belt 31, and the conveying belt 31 is configured to perform circulating motion on the frame 1 so as to drive the plurality of clamping assemblies 2 connected thereto to pass through the feeding area 11, the heating area 12 and the discharging area 13 one by one.

Further, the first operation structure is configured to clamp the clamping assembly 2 passing through the feeding area 11, so as to stably place the battery cell 8 in the clamping cavity 21 and complete the whole heating process. The second operating structure described above is configured to be able to open the clamping cavity 21 of the clamping assembly 2 passing through the blanking area 13, so as to facilitate the loading or unloading of the cells 8 into or from the clamping cavity 21.

The using method of the carrying tool for heating the battery cells in the embodiment is as follows: when the clamping assembly 2 passes through the feeding area 11, the battery cell 8 is placed in the clamping cavity 21 of the clamping assembly 2, and the clamping assembly 2 is clamped by the first operation structure; the clamping assembly 2 loaded with the battery cell 8 enters the heating area 12 under the drive of the conveying belt 31, and the battery cell 8 is heated; after the heating is finished, the conveying belt 31 continuously drives the clamping assembly 2 loaded with the battery cell 8 to enter the blanking area 13; when the clamping assembly 2 passes through the blanking area 13, the second operation structure opens the clamping cavity 21 of the clamping assembly 2, and the heated battery cell 8 is taken out and flows into the next processing procedure; the clamping assembly 2 from which the battery core 8 is removed leaves the blanking area 13, is turned over by 180 degrees under the drive of the conveying belt 31, continuously moves along the circumferential direction of the conveying belt 31, and finally returns to the feeding area 11.

Meanwhile, the conveyer belt 31 circularly moves on the frame 1, and a plurality of clamping assemblies 2 are circumferentially connected, when one clamping assembly 2 passes through the feeding area 11 and the loading of the battery cells 8 is completed, the other clamping assembly 2 positioned behind the other clamping assembly enters the feeding area 11 and the battery cells 8 are loaded. Therefore, after the clamping assemblies 2 loaded with the battery cells 8 are heated, the other clamping assemblies 2 loaded with the battery cells 8 can timely enter the heating area to heat the battery cells 8, so that the waiting time for loading and unloading the battery cells 8 is saved, and the heating efficiency is greatly improved.

It should be noted that the specific number of the clamping assemblies 2 of the present application may be adaptively adjusted according to the specific requirements of the heating process of the battery cells 8.

In addition, the specific structure of the conveyor belt 31 is not limited in this application, and the conveyor belt can be constructed in a closed ring shape, and can drive the clamping assembly 2 to perform a circulating motion on the frame 1, so as to achieve a circulating conveying function. Illustratively, the conveyor belt 31 may rotate circumferentially about itself to effect a circular motion on the frame 1. The conveyor belt 31 may be a chain structure or a belt structure, for example. Referring to fig. 1, an exemplary conveyor belt 31 may be provided with a plurality of connection pieces 311 toward a top end of the clamping assembly 2, and the connection pieces 311 are connected to a bottom of the clamping assembly 2 by bolts, thereby moving the clamping assembly 2. For example, the connection member 311 may be constructed in a sheet-like structure, and the plurality of connection members 311 are sequentially arranged at both sides in the width direction of the conveyor belt 31.

In some embodiments, the carrying tool for heating the battery cells of the present application may further be provided with a manipulator (not shown in the drawings), wherein the manipulator is used for loading the battery cells 8 into the clamping cavity 21 of the clamping assembly 2 in the feeding area 11 and unloading the battery cells 8 from the clamping cavity 21 in the discharging area 13.

Specifically, the conveying assembly 3 includes a first transmission assembly 32, a second transmission assembly 33, and a driving assembly 34, where the first transmission assembly 32 and the second transmission assembly 33 are respectively disposed on two sides of the frame 1 along the first direction X, an output end of the driving assembly 34 is connected to an end of the first transmission assembly 32, and the conveying belt 31 is stretched and connected between the first transmission assembly 32 and the second transmission assembly 33 in a transmission manner. The first transmission assembly 32 and the second transmission assembly 33 respectively provide supporting force and driving force for the conveying belt 31 at two ends of the frame 1 along the first direction X, so that the conveying belt 31 reliably rotates around the circumference of the conveying belt 31 and drives the clamping assembly 2 to sequentially pass through the feeding area 11, the heating area 12 and the discharging area 13, and the heating process of the whole battery cell 8 is completed, and the structure is simple and the reliability is high.

For example, the driving assembly 34 may include a driving motor 341 and a speed reducer 342, an output end of the driving motor 341 is connected to an input end of the speed reducer 342, and an output end of the speed reducer 342 is connected to an end of the first transmission assembly 32. The driving motor 341 and the speed reducer 342 are high in universality and long in service life, the transmission ratio of the conveying assembly 3 can be graded more finely, and the rotating speed of the conveying belt 31 can be adjusted adaptively, so that the process requirement of heating the battery cell 8 is met.

In some embodiments, the carrying tool for heating the battery cell 8 further includes a control unit (not shown in the figure), which is electrically connected to the driving assembly 34, and the control unit is configured to control the driving speed and driving time of the driving assembly 34, so that the conveying belt 31 drives the clamping assembly 2 to move according to the required process requirement.

In some embodiments, the number of the conveying belts 31 is two, and the two conveying belts 31 are spaced along the second direction Y to ensure stability during the movement of the clamping assembly 2. The first direction X and the second direction Y are perpendicular to each other, and specifically, the second direction Y may be a width direction of the rack 1.

Further, the first transmission assembly 32 includes a first transmission shaft 321 and two first transmission wheels 322 disposed on the first transmission shaft 321, the second transmission assembly 33 includes a second transmission shaft 331, and two second transmission wheels 332 are disposed at corresponding positions of the second transmission shaft 331 corresponding to the two first transmission wheels 322. The line connecting the centers of a corresponding set of first and second drive wheels 322, 332 is parallel to the first direction X. Each belt 31 is engaged between a corresponding set of first and second drive wheels 322, 332. The conveyer belt 31 is meshed with the first driving wheel 322 and the second driving wheel 332 for driving, so that the service life is long, the use and maintenance are convenient, and the working reliability and stability are high.

Referring to fig. 1 and 2, in order to facilitate adjustment of the tension of the conveyor belt 31 to ensure the reliability and stability of the movement of the clamping assembly 2, in some embodiments, the conveyor assembly 3 further includes a pair of tensioning assemblies 35, the tensioning assemblies 35 being disposed at both ends of the second transmission assembly 33 along the second direction Y; each tensioning assembly 35 comprises a sliding groove 351 and a push rod 352, the sliding groove 351 extends along the first direction X, at least part of the structure of the second transmission assembly 33 is slidably mounted in the sliding groove 351, and the push rod 352 is used for driving the second transmission assembly 33 to move along the extending direction of the sliding groove 351.

Specifically, the tensioning assembly 35 includes a first tensioning member 353 and a second tensioning member 354, the first tensioning member 353 is fixedly connected to one side of the frame 1 along the second direction Y, the first tensioning member 353 is configured with the chute 351, and the second tensioning member 354 is slidably connected in the chute 351. Further, the push rod 352 is disposed between the first tensioning member 353 and the second tensioning member 354, one end of the push rod 352 penetrates out of the first tensioning member 353 and is in threaded connection with the first tensioning member 353, and the other end of the push rod 352 is in abutting connection with the second tensioning member 354. Wherein, the two ends of the second transmission assembly 33 along the second direction Y are respectively connected to a second tensioning member 354. When the push rods 352 at both ends simultaneously rotate forward or backward relative to the first tensioning member 353, the push rods 352 push the second tensioning member 354 to move forward or backward along the first direction X, which in turn drives the second transmission assembly 33 to move forward or backward along the first direction X, so that the distance between the first transmission assembly 32 and the second transmission assembly 33 is changed. Since the conveyer belt 31 is arranged between the first transmission assembly 32 and the second transmission assembly 33, when the distance between the first transmission assembly 32 and the second transmission assembly 33 is changed, the tension of the conveyer belt 31 is changed, so that the tension of the conveyer belt 31 is adjusted.

Referring to fig. 3 and fig. 4, fig. 3 is a schematic structural diagram of the clamping assembly 2 in the carrying tool for heating a battery cell according to an embodiment of the present application in a first state, and fig. 4 is a schematic structural diagram of the clamping assembly 2 in the carrying tool for heating a battery cell according to an embodiment of the present application in a second state, where the first state is a state when a distance between the first clamping plate 22 and the second clamping plate 23 is the minimum, and the second state is a state when a distance between the first clamping plate 22 and the second clamping plate 23 is the maximum.

In some embodiments, the clamping assembly 2 includes a first clamping plate 22 and a second clamping plate 23 that are slidably connected, where the first clamping plate 22 and the second clamping plate 23 together define a clamping cavity 21, and a conveyor belt 31 is connected to a side of the second clamping plate 23 facing away from the first clamping plate 22; when the clamping assembly 2 is clamped, the first clamping plate 22 and the second clamping plate 23 are in the first state. Under the action of the first operation structure, the first clamping plate 22 moves towards the direction approaching to the second clamping plate 23 and finally is in the first state, at this time, the battery cell 8 is placed in the clamping cavity 21 and is clamped between the first clamping plate 22 and the second clamping plate 23 stably, and meanwhile, the first clamping plate 22 and the second clamping plate 23 enter a heating area in the first state, so that interference with a heating device during heating of the battery cell 8 is avoided. After the heating is completed, under the action of the second operation structure, the first clamping plate 22 moves away from the second clamping plate 23, and the clamping cavity 21 is opened, so that the first clamping plate 22 and the second clamping plate 23 are in the second state, and the battery cells 8 can be conveniently loaded or unloaded. The first clamping plate 22 and the second clamping plate 23 are arranged in a manner that the clamping assembly 2 is clamped or opened by the first operation structure and the second operation structure.

In some embodiments, the number of the conveyor belts 31 is two, and the first clamping plate 22 is illustratively positioned at the top of the second clamping plate 23, and the connecting piece 311 at the top end of the conveyor belt 31 is bolted to the bottom of the second clamping plate 23. The first clamping plate 22 and the second clamping plate 23 may be configured as rectangular plate-like structures, for example.

In some embodiments, an elastic member 24 and a guide member 25 are provided between the first clamping plate 22 and the second clamping plate 23, and the elastic member 24 is provided between the first clamping plate 22 and the second clamping plate 23 and configured to be capable of applying an elastic force to the first clamping plate 22 away from the second clamping plate 23. The guide 25 is disposed perpendicular to the first clamping plate 22 and the second clamping plate 23, and one end of the guide 25 is connected to the first clamping plate 22 and the other end penetrates the second clamping plate 23. The elastic member 24 applies an elastic force to the first clamping plate 22 far away from the second clamping plate 23, which is beneficial to opening the clamping cavity 21, and the guiding member 25 provides a guide for approaching and separating the first clamping plate 22 and the second clamping plate 23, so that the first clamping plate 22 and the second clamping plate 23 always move in a direction perpendicular to the first clamping plate 22 and the second clamping plate 23, and offset is avoided.

Specifically, a plurality of elastic members 24 may be provided, and for example, the number of elastic members 24 may be even, and each elastic member 24 is located at two ends of the clamping assembly 2 along the second direction Y, and symmetrically distributed in pairs. Illustratively, the number of elastic members 24 may be 2, 4, 6, or others. The elastic member 24 may be a spring, and a spring guide rod may be further disposed between the first clamping plate 22 and the second clamping plate 23, one end of the spring guide rod is connected to the first clamping plate 22, the other end penetrates the second clamping plate 23, and the spring is sleeved on the spring guide rod.

Accordingly, a plurality of guide members 25 may be provided, and illustratively, the guide members 25 and the elastic members 24 may be disposed adjacently, and the number of guide members 25 may be an even number. Illustratively, the number of guides 25 may be 2, 4, 6, or others. Illustratively, a clamping jaw is arranged on the side of the first clamping plate 22 facing the second clamping plate 23, on which clamping jaw one end of the guide 25 is clamped, and a through-hole is correspondingly arranged in the second clamping plate 23, through which through-hole one end of the guide 25 facing away from the first clamping plate 22 passes. When the first clamping plate 22 approaches or moves away from the second clamping plate 23, the through holes limit the sliding direction of the guide member 25, so that the first clamping plate 22 can only approach or move away from the second clamping plate 23 along the extending direction of the guide rod.

It should be noted that, the specific number and the setting positions of the elastic member 24 and the guide member 25 are not limited in this application, and the elastic member 24 and the guide member 25 may be set separately or may be set as a whole, that is, the elastic member 24 is sleeved on the guide member 25, and when set separately, the setting numbers of the elastic member 24 and the guide member 25 may be the same or different, and when set as a whole, the setting numbers of the elastic member 24 and the guide member 25 are the same.

Referring to fig. 1, fig. 2 and fig. 5, fig. 5 shows a schematic structural diagram of a guide rail assembly in a carrying tool for heating a battery cell 8 in an embodiment of the present application, and specifically may be implemented, where the carrying tool for heating a battery cell 8 further includes a guide rail assembly, where the guide rail assembly includes at least one first adjusting guide rail 4 disposed on the frame 1, the first adjusting guide rail 4 extends along a first direction X, and a first clamping plate 22 abuts against the first adjusting guide rail 4 and can slide along an extending direction of the first adjusting guide rail 4.

Specifically, the first adjusting guide rail 4 includes a first bending section 41 disposed corresponding to the feeding area 11, a second bending section 42 disposed corresponding to the discharging area 13, and a straight line section 43 disposed between the first bending section 41 and the second bending section 42, wherein a portion of the guide rail section of the straight line section 43 is disposed corresponding to the heating area 12, a height difference is preset between an end portion of the first bending section 41 away from the straight line section 43 and the straight line section 43, and a height difference is preset between an end portion of the second bending section 42 away from the straight line section 43 and the straight line section 43; the first curved section 41 forms a first operating structure and the second curved section 42 forms a second operating structure; when the first clamping plate 22 is positioned in the straight section 43, the first clamping plate 22 and the second clamping plate 23 are in the first state. The difference in height between the end of the first curved section 41 away from the straight section 43 and the difference in height between the end of the second curved section 42 away from the straight section 43 and the straight section 43 are equal, which are the difference in height between the first clamping plate 22 and the second clamping plate 23 required when they are changed between the first state and the second state.

Since the first clamping plate 22 abuts against the first adjusting rail 4 and slides along the extending direction of the first adjusting rail 4, when the clamping assembly 2 is located at the end of the first curved section 41 away from the straight section 43, the first clamping plate 22 and the second clamping plate 23 are in the second state, i.e. the state when the distance therebetween is the largest. The first clamping plate 22 slides along the first bending section 41 towards the straight line section 43 under the driving of the conveying belt 31, the first clamping plate 22 approaches the second clamping plate 23 under the constraint action of the first bending section 41, and finally the first clamping plate 22 and the second clamping plate 23 are in a first state, namely, a state when the distance between the first clamping plate and the second clamping plate is minimum, and at the moment, the first clamping plate 22 and the second clamping plate 23 are clamped between the conveying belt 31 and the first adjusting guide rail 4. Accordingly, when the clamping assembly 2 moves from the straight line section 43 to the second bending section 42, the first clamping plate 22 moves away from the second clamping plate 23 under the guiding action of the second bending section 42, and finally, the clamping cavity 21 is opened due to the limiting action of the second bending section 42. Therefore, when the battery cell 8 passes through the heating area 12, the clamping assembly 2 can achieve the clamping effect on the battery cell 8 without arranging an additional driving power structure, and the cost of the whole equipment is reduced.

In some embodiments, referring to fig. 5, the number of the first adjusting rails 4 is two, and the two adjusting rails respectively abut against opposite ends of the first clamping plate 22. The rail assembly further comprises at least one second adjusting rail 6, the second adjusting rail 6 is arranged between the two first adjusting rails 4, the second adjusting rail 6 extends along the first direction X and passes through the heating area 12, and the second adjusting rail 6 is abutted against the top of the first clamping plate 22. When the clamping assembly 2 passes through the feeding area 11 and enters the heating area 12, the first adjusting guide rails 4 provide restraining force for the clamping assembly 2 at both sides of the first clamping plate 22, the second adjusting guide rails 6 are positioned between the two first adjusting guide rails 4, and the second adjusting guide rails 6 provide restraining force for the clamping assembly 2 at the middle part of the first clamping plate 22. The provision of the second adjustment rail 6 further improves the reliability of the clamping of the battery cells 8 by the first clamping plate 22 and the second clamping plate 23, avoiding interference of the clamping assembly 2 with the heating device when passing through the heating region 12.

The first clamping plate 22 includes a first roller 221 disposed at both ends and rotatable about its own axis, and a second roller 222 disposed at the top and rotatable about its own axis, the first roller 221 being respectively abutted against the two first adjustment rails 4 and sliding along the first adjustment rails 4, and the second roller 222 being abutted against the second adjustment rail 6 and sliding along the second adjustment rail 6.

For example, the first regulation guide 4 may be configured as a groove-shaped guide, with the outer peripheral wall of the first roller 221 abutting against both side walls of the groove-shaped guide. Referring to fig. 6, fig. 6 is a schematic structural diagram of another embodiment of the first adjusting rail 4 in the carrying tool for heating a battery cell of the present application, and by way of example, the first adjusting rail 4 may be configured as a single-sided rail, and the outer peripheral wall of the first roller 221 abuts against the bottom of the single-sided rail. Accordingly, the elastic member 24 between the first clamping plate 22 and the second clamping plate 23 provides the first clamping plate 22 with an elastic force away from the second clamping plate 23, so that the rollers of the first clamping plate 22 are pressed against the first adjusting rail 4 and the second adjusting rail 6.

In some embodiments, the first adjusting rail 4 is provided with a plurality of mounting assemblies 5, the mounting assemblies 5 include a fixing member 51, a supporting member 52 and an adjusting member 53, the adjusting member 53 is disposed between the fixing member 51 and the supporting member 52, the fixing member 51 is fixedly connected with the first adjusting rail 4, the supporting member 52 is fixedly connected with the frame 1, and the adjusting member 53 is used for adjusting the mounting height of the first adjusting rail 4 on the frame 1. The installation height of the first adjusting guide rail 4 on the frame 1 is adjusted, so that the sizes of the first clamping plate 22 and the second clamping plate 23 along the height direction are adapted, and the height difference between the first clamping plate 22 and the second clamping plate 23 in the first state can be changed by adjusting the height of the first adjusting guide rail 4, so that the battery cells 8 without heights can be adapted.

Correspondingly, the second adjusting rail 6 can also be provided with a plurality of mounting assemblies 5, and the first adjusting rail 4 and the second adjusting rail are positioned in the same height range through the adjustment of the adjusting piece 53.

Referring to fig. 5, the top of the frame 1 may be further provided with a top plate, and the support 52 may be constructed in a plate-like structure, to which the support 52 is bolted. The fixing member 51 may be constructed in a block structure, and a side of the fixing member 51 facing the first or second adjustment rail 4 or 6 is provided with a groove in which a tip end portion of the first or second adjustment rail 4 or 6 is accommodated and fixedly coupled to the fixing member 51. The adjusting member 53 may be constructed in a screw-like structure, and the adjusting member 53 is bolted between the fixing member 51 and the supporting member 52. The distance between the fixing member 51 and the supporting member 52 is adjusted by the adjusting member 53, and thus the installation height of the first adjusting rail 4 or the second adjusting rail 6 on the frame 1 is adjusted.

Referring to fig. 7, fig. 7 is a schematic structural diagram of another embodiment of a mounting assembly 5 in a carrying tool for heating a battery cell according to the present application, and an exemplary frame 1 is provided with a plurality of columns, a supporting member 52 is disposed between two adjacent columns, and a fixing member 51 is connected to/mounted on the supporting member 52.

In some embodiments, referring to fig. 1 and 2, the rail assembly further includes a support rail assembly 7 provided on the frame 1, the support rail assembly 7 extends along the first direction X, and the second clamping plate 23 abuts against the support rail assembly 7 and slides along the extending direction of the support rail assembly 7. The support rail assembly 7 is used to provide a supporting force to the gripper assembly 2 such that the gripper assembly 2 moves stably around the circumference of the conveyor belt 31.

Illustratively, the support rail assembly 7 includes a first support rail 71 and a second support rail 72, the first support rail 71 being located above the second support rail 72. When the clamping assembly 2 passes through the feeding area 11, the heating area 12 and the discharging area 13 in sequence, the first clamping plate 22 slides along the first adjusting guide rail 4 and the second adjusting guide rail 6, and the second clamping plate 23 slides along the first supporting guide rail 71. When the clamping assembly 2 is removed from the battery cell 8, the first clamping plate 22 is separated from the first adjusting guide rail 4, the second clamping plate 23 is separated from the first supporting guide rail 71, the clamping assembly 2 is turned 180 degrees, the second clamping plate 23 is contacted with the second supporting guide rail 72 and slides along the second supporting guide rail 72, and the first clamping plate 22 is suspended below the second clamping plate 23. At this time, the conveyor belt 31 will continue to drive the clamping assembly 2 to move under the frame 1 until the clamping assembly 2 is returned to the feeding area 11, so that the clamping assembly 2 moves circularly around the circumference of the conveyor belt 31 under the cooperation of the conveyor assembly 3 and the guide rail assembly.

Illustratively, the first support rail 71 and the second support rail 72 are provided with two, respectively, and are each arranged at intervals along the second direction Y. The second clamping plate 23 includes, for example, a third roller 231 provided at both ends and rotatable about its own axis, the third roller 231 abutting against the track of the first support rail 71 or the second support rail 72 and rolling in the first direction X. By way of example, the first support rail 71 may be configured as a channel rail and the second support rail 72 may be configured as an "L" rail.

In some embodiments, the conveying assembly 3 may further include a third transmission assembly 36 and a fourth transmission assembly 37, and the conveying belt 31 is stretched and drivingly connected between the first transmission assembly 32, the second transmission assembly 33, the third transmission assembly 36, and the fourth transmission assembly 37. At this time, one end of the conveyor belt 31 is disposed corresponding to the first support rail 71, and the other end is disposed corresponding to the second support rail 72.

The utility model provides a delivery frock is used in electric core heating is through the mutually supporting of conveying component 3 and guide rail assembly, realizes the cyclic movement of a plurality of clamping components 2, and a plurality of clamping components 2 carry electric core 8 in proper order and carry out electric core 8's heating process, not only simple structure, the reliability is high, and heating efficiency also obtains very big promotion, can satisfy the technological requirement of multiple electric core 8 heating.

In addition, at present, the electric core 8 is mainly shaped by heating, firstly, the electric core 8 is heated and then the electric core 8 is conveyed to a pressure device for shaping; the other is that after the battery cell 8 is heated, the battery cell 8 is conveyed to a pressure device for heating, and then the battery cell 8 is shaped through the pressure device.

The two ways of heating and shaping the electric core 8 have the following problems that the heat loss on the electric core 8 is relatively fast, the energy consumption for heating and shaping the electric core 8 is high, the heating efficiency is low, and the current requirements of energy conservation and high efficiency for heating and shaping the electric core 8 cannot be met in the process of conveying the heated electric core 8 to the pressure device.

Based on this, referring to fig. 8, 9, 10 and 11, the embodiment of the application further provides a cell heating device, which is used for heating the cell 8, and the cell heating device includes the carrying tool for cell heating.

The electric core heating device further comprises a plurality of heating modules 121, the plurality of heating modules 121 are located in a heating area 12 of the carrying tool for heating the electric core and are arranged at intervals along the conveying belt 31, each heating module 121 is provided with a heating cavity 1211 for heating the electric core 8, and the conveying belt 31 can drive the clamping assemblies 2 to enter the heating cavities 1211 one by one.

It should be noted that, the electrical core heating device in the embodiment of the present application is preferably configured to heat the square electrical core, and of course, may also be configured to heat other semi-finished products, products or structural components that need to be heated, which is not particularly limited.

Referring to fig. 8, the circulating direction in the first direction X is the conveying direction of the conveying belt 31. According to the battery cell heating device, the blanking area 13 at the tail end of the conveying belt 31 can be abutted to the pressure device, the clamping assembly 2 drives the battery cell 8 on the clamping assembly to pass through the last heating module 121 on the conveying belt 31 and be heated, and then the battery cell can directly enter the pressure device to carry out a shaping procedure, so that heat loss in the process of transferring the heated battery cell 8 to the pressure device is reduced, and the production efficiency of the battery cell 8 is also improved. In addition, the battery cell heating device drives the clamping assembly to move circularly through the conveying belt capable of performing circular motion on the frame, so that waiting time for loading and unloading the battery cells is saved, and the efficiency of heating the battery cells is greatly improved.

Referring to fig. 9, the heating module 121 may be an electromagnetic induction heating device, that is, induction heating is performed on the electric core 8 in the heating cavity 1211 by using electromagnetic induction heating. Illustratively, the heating module 121 may include a first electromagnetic coil 121a and a second induction coil 121b disposed at opposite intervals and cooperating with each other, and a heating chamber 1211 formed between the first electromagnetic coil 121a and the second induction coil 121b for passing the power supply core 8 and heating the power supply core 8. The specific structure of the heating module 121 is not limited in this application, as long as the function of heating the battery cell 8 can be realized. The heating module 121 may also be a resistance wire heating module, an infrared heating module, or the like, for example.

It should be noted that, referring to fig. 10 and 11, the clamping cavity 21 of the clamping assembly 2 can hold and place a plurality of electric cores 8, the electric cores 8 are vertically and horizontally arranged on the clamping cavity 21, and when the clamping assembly 2 drives the electric cores 8 thereon to enter the heating cavity 1211 formed by the heating module 121, the heating module 121 performs induction heating on all the electric cores 8 on the clamping assembly 2, so as to improve the heating efficiency of the electric cores 8.

It will be appreciated that when the above-mentioned electric core heating device heats the electric core 8, the electric core 8 can be placed in the clamping cavity 21 of the clamping component 2 first, the feeding of the electric core 8 in the feeding area 11 is completed, the clamping component 2 slides along the conveying belt 31 again, the electric core 8 is driven to sequentially pass through each heating module 121 arranged on the conveying belt 31 at intervals, the electric core 8 sequentially enters the heating cavity 1211 on each heating module 121, and the heating module 121 can heat the electric core 8 in the heating cavity 1211 in an induction heating manner, so that the electric core 8 is heated simultaneously in the process of conveying the electric core 8, a traditional heating device such as a preheating furnace is not required, and the heat loss in the heating process of the electric core 8 is reduced.

Meanwhile, the clamping assembly 2 drives the battery cell 8 on the clamping assembly to pass through the last heating module 121 on the conveying belt 31 and be heated, and then the battery cell can directly enter the pressure device to carry out a shaping procedure, so that heat loss in the process of transferring the heated battery cell 8 to the pressure device is reduced.

Moreover, the electric core 8 is heated in a stepping mode through the induction heating of the heating modules 121, so that the heating efficiency of the electric core 8 can be improved, the surface and the internal temperature of the electric core 8 can be better consistent, the heating quality of the electric core 8 is improved, and the quality of the heated electric core 8 before pressurization and shaping is ensured.

The utility model provides a electric core heating device sets up through the cooperation of conveyer belt 31, clamping assembly 2 and a plurality of heating module 121, can effectively reduce the heat loss to electric core 8 heating in-process to improve the efficiency to electric core 8 heating.

It should be noted that, before heating, the battery cell 8 is in a relatively fluffy state, so that the battery cell 8 may collide with other structural components during the heating or conveying process, which affects the heating efficiency of the battery cell 8 and the heating consistency of the battery cell 8.

Based thereon, in some embodiments of the present application, referring to fig. 10 and 11, the clamping assembly 2 includes a first clamping plate 22 and a second clamping plate 23 slidably connected, the first clamping plate 22 and the second clamping plate 23 together defining a clamping cavity 21, and a conveyor belt 31 connected to a side of the second clamping plate 23 facing away from the first clamping plate 22; when the clamping assembly 2 is clamped, the first clamping plate 22 and the second clamping plate 23 are in the first state. Under the action of the first operating structure, the first clamping plate 22 and the second clamping plate 23 are close to each other and clamped, at this time, the battery cells are placed in the clamping cavity 21 and stably clamped between the first clamping plate 22 and the second clamping plate 23, and at the same time, the first clamping plate 22 and the second clamping plate 23 enter the heating cavities 1211 of the respective heating modules 121 one by one in the first state to be heated.

Meanwhile, referring to fig. 9, the heating module 121 may include a first electromagnetic coil 121a and a second electromagnetic coil 121b that are disposed at opposite intervals and cooperate with each other, and a heating cavity 1211 is defined between the first electromagnetic coil 121a and the second electromagnetic coil 121b for forming a heating cavity 1211 for passing through the power supply core 8 and heating the power supply core 8.

Based on this, in the embodiment of the application, by providing the clamping assembly 2, the clamping assembly 2 is provided with the first clamping plate 22 and the second clamping plate 23 which are slidably connected with each other, and the first clamping plate 22 and the second clamping plate 23 can keep the state of being close to each other and clamping the battery cells 8 when the battery cells 8 pass through the respective heating cavities 1211 one by one, the first electromagnetic coil 121a can be made to be as close to the battery cells 8 as possible, that is, the width of the heating cavity 1211 can be reduced as much as possible, so that the heating efficiency of the battery cells 8 can be improved.

Moreover, the above arrangement can make the battery cells 8 always in a compressed state in the process of passing through all the heating chambers 1211, and ensure the consistency of heating the battery cells 8 by each heating module 121, so that the battery cells 8 are heated stably.

In some embodiments of the present application, the first clamping plate 22 and the second clamping plate 23 are each constructed as a non-metallic structural member.

Specifically, the first clamping plate 22 and the second clamping plate 23 may be made of a polyetherketone polymer resin material, an epoxy glass fiber, a carbon fiber, or the like. It will be appreciated that by constructing both the first clamping plate 22 and the second clamping plate 23 as non-metallic structural members, the heating module 121 can be prevented from heating the first clamping plate 22 and the second clamping plate 23, thereby concentrating the heating on the first clamping plate 22 and the second clamping plate 23, and causing the battery cell 8 to be unheated or not heated completely.

In some embodiments of the present application, referring to fig. 9, the clamping assemblies 2 have a plurality, the plurality of clamping assemblies 2 are spaced apart on the conveyor belt 31, and the spacing between two adjacent clamping assemblies 2 is equal to the spacing between two adjacent heating chambers 1211. The spacing of any two adjacent heating chambers 1211 is equal.

Specifically, the plurality of heating modules 121 are arranged on the conveyor belt 31 at intervals and located between the feeding area 12 and the discharging area 13, and the plurality of clamping assemblies 2 are distributed at intervals along the track of the conveyor belt 31. All the heating modules 121 are kept in a fixed state, the distance between the feeding area 12 and the heating module 121 closest to the feeding area 12 on the conveyor belt 31 is equal to the distance between the two adjacent heating cavities 1211, and the distance between the discharging area 13 and the heating module 121 closest to the discharging area 13 is also equal to the distance between the two adjacent heating cavities 1211.

Thus, when the first clamping assembly 2 conveys the electrical core 8 thereon from the feeding area 12 to the discharging area 13 along the conveying belt 31, the last clamping assembly 2 at this time is located in the feeding area 12, and the electrical core 8 on the remaining one or more clamping assemblies 2 is located in the heating cavity 1211 of the corresponding heating module 121. At this time, the conveyor belt 31 is stopped, and the heated battery cell 8 on the first clamping assembly 2 can be taken out by a manipulator or other transferring device and directly transferred to the pressure device for pressurization and shaping.

At the same time, unheated cells 8 are placed on the last clamping assembly 2 by a robot or other transfer device. That is, by turning off the conveyor belt 31, the feeding operation of the heated battery cells 8 and the feeding operation of the unheated battery cells 8 are performed simultaneously, and in the period of feeding and discharging the battery cells 8, the battery cells 8 in the heating cavity 1211 are in a static state under the support of the corresponding clamping assembly 2, and the heating efficiency of the heating module 121 to the battery cells 8 is highest.

Therefore, not only the feeding and discharging efficiency of the battery cells 8 is improved, but also the heating efficiency of the battery cells 8 by the heating module 121 can be effectively ensured, and the heat loss generated by the fact that the battery cells 8 are not in the heating cavity 1211 in the feeding and discharging process of the battery cells 8 is avoided. Simultaneously, a plurality of clamping assemblies 2 carry or stop along with conveyer belt 31 is synchronous, can realize carrying out synchronous heating's effect to electric core 8 in batches, further improves the heating efficiency to electric core 8, promptly improves the production efficiency to electric core 8 promptly.

In addition, it is easy to understand that by making the interval between two adjacent clamping assemblies 2 equal to the interval between two adjacent heating chambers 1211, when the previous clamping assembly 2 drives the electric core 8 thereon to move out of one heating chamber 1211, the next clamping assembly 2 just enters the heating chamber 1211, thus improving the continuity of induction heating to the electric core 8, and further improving the heating efficiency to the electric core 8, that is, improving the production efficiency to the electric core 8.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (12)

1. Carrying tool for heating electric core, which is characterized by comprising:

a frame (1) provided with a feeding area (11), a heating area (12) and a discharging area (13) which are sequentially arranged along a first direction;

a plurality of clamping assemblies (2), each clamping assembly (2) being configured with a clamping cavity (21);

the conveying assembly (3) is arranged on the frame (1) and comprises a closed annular conveying belt (31), part of conveying sections of the conveying belt (31) correspond to the feeding area (11), the heating area (12) and the discharging area (13), the conveying belt (31) is connected with the clamping assemblies (2) along the circumferential direction, and the conveying belt (31) is configured to circularly move on the frame so as to drive the clamping assemblies (2) connected to the conveying belt to pass through the feeding area (11), the heating area (12) and the discharging area (13) one by one;

the first operation structure and the second operation structure are arranged on the frame (1), and the first operation structure is configured to clamp the clamping assembly (2) passing through the feeding area (11); the second operating structure is configured to be able to open a clamping cavity (21) of the clamping assembly (2) passing through the blanking area (13).

2. The carrying tool for heating the battery cells according to claim 1, wherein the conveying assembly (3) comprises a first transmission assembly (32), a second transmission assembly (33) and a driving assembly (34), the first transmission assembly (32) and the second transmission assembly (33) are respectively arranged on two sides of the frame (1) along the first direction, an output end of the driving assembly (34) is connected to an end part of the first transmission assembly (32), and the conveying belt (31) is stretched and connected between the first transmission assembly (32) and the second transmission assembly (33) in a transmission manner.

3. The carrying tool for heating the electric core according to claim 2, wherein the number of the conveying belts (31) is two, the first transmission assembly (32) comprises a first transmission shaft (321) and two first transmission wheels (322) arranged on the first transmission shaft (321), the second transmission assembly (33) comprises a second transmission shaft (331), and two second transmission wheels (332) are arranged at corresponding positions of the second transmission shaft (331) corresponding to the two first transmission wheels (322); -a set of corresponding lines connecting the centers of the first (322) and second (332) driving wheels are parallel to the first direction;

Each conveyor belt (31) is engaged and matched between a corresponding group of first transmission wheels (322) and second transmission wheels (332).

4. The carrying tool for heating the electric core according to claim 2, wherein the conveying assembly (3) further comprises a pair of tensioning assemblies (35), and the tensioning assemblies (35) are arranged at two ends of the second transmission assembly (33) along the second direction; each tensioning assembly (35) comprises a sliding groove (351) and a push rod (352), the sliding grooves (351) extend along the first direction, at least part of structures of the second transmission assemblies (33) are slidably arranged in the sliding grooves (351), and the push rods (352) are used for driving the second transmission assemblies (33) to move along the extending directions of the sliding grooves (351);

wherein the first direction and the second direction are perpendicular to each other.

5. The carrying tool for heating the electrical core according to claim 1, wherein the clamping assembly (2) comprises a first clamping plate (22) and a second clamping plate (23) which are connected in a sliding manner, the first clamping plate (22) and the second clamping plate (23) jointly defining the clamping cavity (21), the conveyor belt (31) being connected to a side of the second clamping plate (23) facing away from the first clamping plate (22); when the clamping assembly (2) is clamped, the first clamping plate (22) and the second clamping plate (23) are in a first state, and the first state is a state when the distance between the first clamping plate (22) and the second clamping plate (23) is minimum.

6. The carrying tool for heating a battery cell according to claim 5, wherein an elastic member (24) and a guide member (25) are provided between the first clamping plate (22) and the second clamping plate (23), the elastic member (24) being provided between the first clamping plate (22) and the second clamping plate (23) and configured to be capable of applying an elastic force to the first clamping plate (22) away from the second clamping plate (23);

the guide piece (25) is perpendicular to the first clamping plate (22) and the second clamping plate (23), one end of the guide piece (25) is connected with the first clamping plate (22), and the other end of the guide piece penetrates through the second clamping plate (23).

7. The carrying tool for heating the electric core according to claim 5, further comprising at least one first adjusting rail (4) provided to the frame (1), the first adjusting rail (4) extending in the first direction, the first clamping plate (22) being in abutment with the first adjusting rail (4) and being slidable in the extending direction of the first adjusting rail (4);

the first adjusting guide rail (4) comprises a first bending section (41) arranged corresponding to the feeding area (11), a second bending section (42) arranged corresponding to the discharging area (13) and a straight line section (43) arranged between the first bending section (41) and the second bending section (42), part of the guide rail section of the straight line section (43) is arranged corresponding to the heating area (12), the end part of the first bending section (41) away from the straight line section (43) is preset with the straight line section (43), and the end part of the second bending section (42) away from the straight line section (43) is preset with the straight line section (43); -said first curved section (41) forming said first operating structure and-said second curved section (42) forming said second operating structure;

When the first clamping plate (22) is located at the straight line section (43), the first clamping plate (22) and the second clamping plate (23) are in the first state.

8. The carrying tool for heating the battery cells according to claim 7, wherein a plurality of mounting assemblies (5) are arranged on the first adjusting guide rail (4), each mounting assembly (5) comprises a fixing piece (51), a supporting piece (52) and an adjusting piece (53), each adjusting piece (53) is arranged between the corresponding fixing piece (51) and the corresponding supporting piece (52), the corresponding fixing piece (51) is fixedly connected with the corresponding first adjusting guide rail (4), the corresponding supporting piece (52) is fixedly connected with the corresponding rack (1), and the corresponding adjusting piece (53) is used for adjusting the mounting height of the corresponding first adjusting guide rail (4) on the corresponding rack (1).

9. The carrying tool for heating the electric core according to claim 7, wherein the number of the first adjusting guide rails (4) is two, and the first adjusting guide rails are respectively abutted with two opposite ends of the first clamping plate (22);

the carrying tool for heating the battery cell further comprises at least one second adjusting guide rail (6), the second adjusting guide rails (6) are arranged between the two first adjusting guide rails (4), the second adjusting guide rails (6) extend along the first direction and pass through the heating area (12), and the second adjusting guide rails (6) are abutted to the top of the first clamping plate (22).

10. The carrying tool for heating the electric core according to claim 5, further comprising a supporting rail assembly (7) provided to the frame (1), wherein the supporting rail assembly (7) extends in the first direction, and wherein the second clamping plate (23) abuts against the supporting rail assembly (7) and slides in the extending direction of the supporting rail assembly (7).

11. A cell heating device, comprising:

the carrying tool for heating a cell according to any one of claims 1 to 10; and

the heating modules (121) are located in the heating area (12) and are arranged at intervals along the conveying belt (31), each heating module (121) is provided with a heating cavity (1211) for heating the electric core (8), and the conveying belt (31) can drive the clamping assembly (2) to enter the heating cavities (1211) one by one.

12. The electrical core heating device according to claim 11, wherein the spacing between two adjacent clamping assemblies (2) is equal to the spacing between two adjacent heating chambers (1211), and the spacing between any two adjacent heating chambers (1211) is equal.

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