CN220652095U - Square lithium battery capacity-dividing clamp mounting and connecting device - Google Patents

Abstract

The utility model discloses a square lithium battery capacity-dividing clamp mounting and connecting device, which comprises a clamp body, wherein a first queue formed by a plurality of laminates which are parallel to each other is arranged in the clamp body, and a set of battery pole contact mechanisms are respectively arranged at the left end part and the right end part of the clamp body, and each battery pole contact mechanism comprises a plurality of pole power-connecting devices, a left-right distance adjusting device and a height adjusting device; the pole electric connection device comprises a probe, a mounting seat and a probe mounting plate; the left-right spacing adjusting device comprises a longitudinal three-dimensional frame and a driving part; the bottom of anchor clamps body is equipped with electric core climbing mechanism, and electric core climbing mechanism includes a plurality of cover jacking subassembly, vertical tie-beam, jacking drive arrangement, and vertical tie-beam connects jacking drive arrangement, and vertical tie-beam drives the jacking subassembly and makes the elevating movement in order to adjust the height of battery under jacking drive arrangement drive. The beneficial effects of the utility model are as follows: meanwhile, the battery is clamped and connected, the compatibility is strong, the operation is simple, and the connection is reliable.

Description

Square lithium battery capacity-dividing clamp mounting and connecting device

Technical Field

The utility model discloses a square lithium battery capacity-dividing clamp attaching device, and particularly relates to a capacity-dividing clamp device suitable for carrying out capacity-dividing process on a blade battery cell.

Background

With the penetration of new energy vehicles, traditional vehicle enterprises accelerate the layout in the new energy direction, and common new energy vehicles usually adopt rechargeable batteries to provide power, such as lithium batteries, wherein square lithium batteries are one of the mainstream products. The square lithium battery is required to be subjected to high-temperature formation to activate the battery core in the process flow of the post production, and the battery is required to be charged and discharged through a driving box in the process flow of the formation so as to activate the battery and stabilize the performance indexes of the battery, such as internal resistance, output voltage, current, power and the like, so that the capacity-dividing process of the square lithium battery is a very critical process in the production process of the lithium battery.

In the capacity-dividing process of the conventional square lithium battery, the battery is placed in a restraint tray, the battery is charged and discharged on a charging and discharging device, the battery is required to be clamped by the restraint tray in the charging and discharging process of the battery, the battery is separated by the current restraint tray through a plurality of partition boards, the partition boards are separated by a certain distance before the battery is placed in the battery, the partition boards are mutually close to each other through applying pressure after the battery is placed between the adjacent partition boards, so that the battery is restrained, then the whole restraint tray is placed in a capacity-forming device, a probe plate of the capacity-forming device moves vertically, and a probe on the probe plate contacts with a pole column of the battery in the restraint tray, so that capacity-forming operation is performed on the battery clamped in the restraint tray. In the prior art, the restraint tray and the charging and discharging equipment are independent structures, when in use, the restraint tray clamped with the battery needs to be transferred to the charging and discharging equipment in advance, then the position of a needle plate of the charging and discharging equipment is adjusted, so that a probe on the needle plate is contacted with a pole column of the battery to perform component-containing operation, the restraint tray plays a role in clamping the battery, the component-containing equipment plays a role in battery power connection and charging and discharging, and the following problems exist in the structure: the battery is easy to expand after multiple formation and composition operations, so that the battery position in the restraint tray is offset to different degrees, the pole position of the battery is also offset, the position of a probe on the existing needle plate cannot be adaptively adjusted, the electrical unreliability of the probe and the battery is increased, and the formation and composition effects are affected; secondly, the existing restraint tray and needle plate are usually customized according to the sizes of the electric cores, so that each restraint tray and needle plate can only be matched with one battery, when the production line needs to replace electric cores with different sizes for production, the restraint tray and needle plate are often required to be replaced at the same time, the use is extremely inconvenient, and the manufacturing cost is high; and thirdly, when the capacity-dividing operation is carried out every time, the restraint tray is required to be placed in the charging and discharging equipment in advance, so that the operation steps are increased, the manpower and material resources are wasted, the operation time is prolonged, and the high-intensity repeated labor can greatly reduce the battery cabinet loading efficiency.

Therefore, a battery restraint tray with simple structure, reliable power connection and strong versatility is needed to overcome the above problems.

Disclosure of Invention

In order to solve the problems, the utility model provides the square lithium battery capacity-dividing clamp mounting and connecting device which is high in compatibility, capable of clamping and connecting a battery at the same time, simple to operate and reliable in connection.

The utility model adopts the following technical scheme:

the square lithium battery capacity-dividing clamp mounting and connecting device comprises a clamp body, wherein a first array formed by a plurality of laminates which are perpendicular to a horizontal plane and are parallel to each other is arranged in the clamp body, the longitudinal axis direction of the first array is defined as a longitudinal direction, one longitudinal direction is defined as a forward direction, and the other longitudinal direction is defined as a backward direction; the laminate is rectangular and perpendicular to the longitudinal axis of the array; the extending direction of one side of the laminate is defined as the left-right direction, the extending direction of the other side is defined as the up-down direction, a containing space for containing the battery cell is reserved between the adjacent laminates, and the laminates are flexibly connected, and the battery cell is characterized in that:

the left end and the right end of the clamp body are respectively provided with a set of battery pole contact mechanism, and each battery pole contact mechanism comprises a plurality of pole power-on devices, a left-right distance adjusting device and a height adjusting device; the pole electric connection device comprises a probe, a mounting seat and a probe mounting plate, wherein the mounting seat is slidably sleeved at the end part of the laminate; the probe is arranged on the probe mounting plate, the probe mounting plate is slidably arranged on the mounting seat, the bottom of the probe mounting plate is connected with the height adjusting device, and the height adjusting device drives the probe mounting plate to do linear motion in the up-down direction; the left-right spacing adjusting device comprises a longitudinal three-dimensional frame and a driving part, a plurality of sets of pole electric connection devices are slidably arranged on the longitudinal three-dimensional frame, the pole electric connection devices form a second array in the longitudinal direction, the pole electric connection devices on two adjacent layers of plates are aligned in the longitudinal direction, the longitudinal three-dimensional frame is connected with the driving part, and the longitudinal three-dimensional frame is driven by the driving part to drive the pole electric connection devices to do linear motion in the left-right direction along the surfaces of the layers so that probes on the pole electric connection devices are contacted with or separated from the formed lithium battery;

the bottom of the clamp body is provided with a battery core jacking mechanism, the battery core jacking mechanism comprises a plurality of jacking assemblies, longitudinal connecting beams and jacking driving devices, each accommodating space is provided with one jacking assembly, each jacking assembly comprises a jacking vertical plate which can be inserted into the accommodating space, the bottom of the jacking vertical plate is connected with a jacking installation substrate, a linear bearing is installed on the jacking installation substrate, a lifting guide pillar is arranged in the linear bearing in a penetrating manner, and the top of the lifting guide pillar is connected with the bottom of the laminate; the lower part of the jacking component is horizontally provided with a longitudinal connecting beam which is in sliding fit with the jacking installation base plate, the longitudinal connecting beam is connected with a jacking driving device, and the longitudinal connecting beam drives each jacking component to do up-down lifting motion under the driving of the jacking driving device so as to adjust the height of the battery in each accommodating space.

Further, the clamp body comprises a front end plate, a rear end plate, a connecting bottom plate, a movable pressing plate and a plurality of laminated plates which are arranged at intervals, wherein the front end plate and the rear end plate are vertical to the longitudinal direction, the end plate and the rear end plate are respectively and vertically arranged at two longitudinal ends of the connecting bottom plate, and a connecting shaft and a guide shaft are arranged between the front end plate and the rear end plate; the plurality of laminates are slidably arranged on the connecting shaft and form a first array in the longitudinal direction; the front end surface of the foremost laminate is connected with a movable pressing plate vertical to the longitudinal direction, the movable pressing plate is in sliding fit with the guide shaft, the movable pressing plate is connected with a longitudinal driving device, and the movable pressing plate is driven by the longitudinal driving device to do linear motion in the longitudinal direction so as to control the cell pressure born by the cell in the accommodating space; a pressure sensor is arranged between the rearmost laminate and the rear end plate.

Further, a guide bearing is arranged on each laminate, the laminates are slidably arranged on the connecting shaft through the guide bearing, the laminates are connected with the adjacent laminates, the forefront laminate is connected with the movable press plate through a connecting chain, and the rearmost laminate is limited to move in the forward direction through a limiting block.

Further, a liquid runner is arranged in the laminate, and the liquid runner is communicated to the edge of the laminate to form a water inlet and a water outlet.

Further, the mounting seat comprises an upper mounting seat which is slidably arranged on the upper side of the laminate, a lower mounting seat which is slidably arranged on the lower side of the laminate, a sliding seat which is arranged in front of the laminate and a back plate which is arranged behind the laminate, and the end part of the laminate is arranged in a lantern ring which is formed by surrounding the upper mounting seat, the lower mounting seat, the sliding seat and the back plate; the sliding seat is provided with a vertical sliding groove, and the probe mounting plate is slidably inserted into the vertical sliding groove.

Further, the longitudinal three-dimensional frame comprises an upper longitudinal connecting rod, a lower longitudinal connecting rod, a front connecting plate and a rear connecting plate, wherein the front connecting plate and the rear connecting plate are parallel to each other, the front connecting plate is in sliding fit with the left end part and the right end part of the front end plate, and the rear connecting plate is in sliding fit with the left end part and the right end part of the rear end plate; an upper longitudinal connecting rod and a lower longitudinal connecting rod which are parallel to each other are connected between the front connecting plate and the rear connecting plate, and the upper longitudinal connecting rod is slidably arranged in a through hole of the upper mounting seat which is aligned front and back; the lower longitudinal connecting rod is slidably arranged in the through hole of the lower mounting seat aligned front and back.

Further, the driving part comprises a screw rod assembly and a first transmission assembly, a set of screw rod assembly is respectively arranged on the front connecting plate and the rear connecting plate, the two sets of screw rod assemblies are connected with each other through the first transmission assembly, the screw rod assembly comprises a horizontal screw rod and a first nut which are in threaded fit with each other, the front connecting plate and the rear connecting plate are respectively arranged on the corresponding horizontal screw rod in a rotating mode through the first nut, the horizontal screw rods are arranged in the left-right direction, and one end of each horizontal screw rod is externally connected with a driving force to drive the longitudinal three-dimensional frame to move in the left-right direction.

The front connecting plate is provided with a front inserting port for inserting the left end and the right end of the front end plate, a first sliding groove which is arranged in the left-right direction is arranged in the front inserting port, and the first sliding groove is in sliding fit with the front end plate.

The rear connecting plate is provided with a rear plug-in port for inserting the left end and the right end of the rear end plate, a second sliding rail which is arranged in the left-right direction is arranged in the rear plug-in port, and the second sliding rail is in sliding fit with the rear end plate.

Further, the height adjusting device comprises a probe adjusting roller, a probe adjusting connecting rod and a probe height adjusting part, two probe adjusting rollers are arranged on the probe mounting plate at intervals, and the two probe adjusting rollers are respectively clamped on the upper side and the lower side of the probe adjusting connecting rod and roll on the surface of the probe adjusting connecting rod; the probe height adjusting part comprises a first vertical screw rod and a second nut which are in threaded fit with each other, the front connecting plate and the rear connecting plate are respectively provided with a first vertical screw rod, the second nut is connected to the end part of the probe adjusting connecting rod, and a second transmission assembly is connected between the two first vertical screw rods.

Further, a set of jacking driving devices are respectively arranged on the front end plate and the rear end plate, each jacking driving device comprises a lifting screw rod assembly and a linkage rod, each lifting screw rod assembly comprises a second vertical screw rod and a third nut, the two second vertical screw rods are respectively and rotatably arranged on the front end plate and the rear end plate, and the two second vertical screw rods are connected with each other through the linkage rod, so that synchronous rotation of the second vertical screw rods is realized; the third nut is fixedly connected to the end part of the longitudinal connecting beam, the second vertical screw rod penetrates through the third nut and is in threaded fit with the third nut, and when the external force drives the second vertical screw rod to rotate, the third nut is driven to move along the up-down direction.

Further, a longitudinal chute is arranged on the longitudinal connecting beam, the bottom of the mounting substrate is lifted, and the roller is clamped into the longitudinal chute and rolls in the longitudinal chute of the longitudinal connecting beam.

When the battery is subjected to chemical composition testing, the square lithium battery is loaded into each accommodating space of the clamp body, the bottom of the square lithium battery is supported by the jacking vertical plates of the battery core jacking mechanism, the accommodating spaces are adjusted by adjusting the distance between the laminated plates, so that the battery is clamped, as the probes are arranged at the two end parts of the laminated plates, the front and back positions of the probes can be synchronously adjusted only by adjusting the distance between the laminated plates in the front and back directions, the upper and lower positions of the probes can be controlled by adjusting the height adjusting device, the height adjusting device drives the probe mounting plate to do linear motion in the upper and lower directions, so that the probes are driven to do synchronous motion, and after the front and back positions and the upper and lower positions of the probes are adjusted, the left and right distance adjusting device works, the battery post contact mechanisms at the two sides of the laminated plates can be driven to do linear motion in the left and right directions, and the post contact devices do linear motion in the left and right directions along the surfaces of the laminated plates, so that the probes on the post contact or are separated from the lithium battery which is formed; the position of the probe can be synchronously adjusted according to the size and the type of the battery, so that the probe can be suitable for batteries of different sizes and types, the compatibility of equipment is improved, and the power connection reliability of the probe and the battery is greatly improved.

More advantageously, be equipped with pressure sensor between rearmost plywood and the back end plate, thereby the accessible control plywood compresses tightly the degree and controls electric core pressure, real-time supervision plywood pressure to combine the anchor clamps body to adjust pressure size at any time, improve the restraint effect, prevent the inflation of battery effectively.

In the formation and separation process, the battery needs to be repeatedly charged and discharged, a large amount of heat can be generated in the process, the battery is heated and warmed, and the high temperature can cause fluctuation of the internal resistance of the battery, so that the performance index of the battery is affected. Therefore, in the battery formation and capacity division process, the temperature of the surface of the battery needs to be controlled, water can be introduced into the laminate, and the temperature of the capacity division battery core is controlled by adjusting the water temperature of water inlet and outlet, so that the surface temperature of the battery can be prevented from being too high, good temperature control is realized, and the mass production is facilitated.

The beneficial effects of the utility model are as follows:

1. the positions of the probe and the battery are adjustable, so that the probe is high in compatibility, can adapt to batteries with different sizes and models, and reduces equipment cost;

2. the battery can be clamped and connected at the same time, the model change is simple, the connection is reliable, and the production efficiency is improved;

3. the operation is convenient, time and labor are saved, when batteries with different sizes are tested, the three-dimensional position of the probe can be adjusted only by adjusting the spacing between the laminates of the clamp body and the height of the probe, and the device can be suitable for a wide range of battery sizes;

4. the temperature control effect is good, water can be led into the laminate, and the temperature of the capacity-dividing battery cell is controlled by adjusting the water temperature of water inlet and outlet.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of another view of the present utility model.

FIG. 3 is a schematic structural view of a laminate of the present utility model.

Fig. 4 is a schematic structural view of the battery post contact mechanism of the present utility model.

Fig. 5 is a schematic structural view of a pole connection device in the battery pole contact mechanism of the present utility model.

Fig. 6 is a schematic diagram of a battery cell jacking mechanism structure in the present application.

Fig. 7 is a schematic structural diagram of a jacking component in the electrical core jacking mechanism structure in the present application.

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "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 orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

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 utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified 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; may be mechanically connected, may be electrically connected or may be in communication with each other; 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, 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.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.

As shown in fig. 1 to 5, the square lithium battery capacity-division clip attaching device 100 according to the present utility model includes a clip body 200, wherein a first array formed by a plurality of laminates 230 perpendicular to a horizontal plane and parallel to each other is provided in the clip body 200, a longitudinal axis direction of the first array is defined as a longitudinal direction, one direction of the longitudinal direction is defined as a forward direction, and the other direction is defined as a backward direction; lamina 230 is rectangular and perpendicular to the longitudinal axis of the first queue; defining the extending direction of one side of the laminate 230 as the left-right direction and the extending direction of the other side as the up-down direction, and leaving a containing space for containing the battery cell 500 between adjacent laminate 230, wherein the laminate 230 is flexibly connected;

the left and right ends of the fixture body 200 are respectively provided with a set of battery pole contact mechanism 300, and the battery pole contact mechanism 300 comprises a plurality of pole power-on devices 310, a left and right distance adjusting device 320 and a height adjusting device 330; the terminal connection device 310 is used for contacting a terminal connected with the battery cell 600 to perform a capacity-dividing process on the battery cell, and comprises a probe 311, a mounting seat 312 and a probe mounting plate 313, wherein the mounting seat 312 is slidably sleeved at the left end and the right end of the laminate 230; the probe 311 is mounted on the probe mounting plate 313, the probe mounting plate 313 is slidably arranged on the mounting seat 312, the bottom of the probe mounting plate 313 is connected with the height adjusting device 330, and the height adjusting device 330 drives the probe mounting plate 313 to do linear motion in the up-down direction; the left-right spacing adjusting device 320 is used for adjusting the left-right position of the pole connecting device 310 to enable the probe 311 to be in contact with or separated from the battery core pole, the spacing adjusting device 320 comprises a longitudinal three-dimensional frame 326 and a driving part 327, a plurality of sets of pole connecting devices 310 are slidably arranged on the longitudinal three-dimensional frame 326, the pole connecting devices 310 form a second array in the longitudinal direction, the pole connecting devices 310 on two adjacent plates 230 are aligned in the longitudinal direction, the longitudinal three-dimensional frame 326 is connected with the driving part 327, and the longitudinal three-dimensional frame 326 is driven by the driving part 327 to enable the pole connecting devices 310 to do linear motion in the left-right direction along the surface of the plate 230 so as to enable the probe 311 on the pole connecting devices 310 to be in contact with or separated from the lithium battery which is formed;

the bottom of the fixture body 200 is provided with a battery core jacking mechanism 400, the battery core jacking mechanism 400 is used for supporting the battery core 600 to prevent the battery core 600 from falling from a containing space between the laminate plates 230, the fixture comprises a plurality of jacking assemblies 410, longitudinal connecting beams 420 and a jacking driving device 430, each containing space is provided with one jacking assembly 410, the jacking assemblies 410 comprise jacking vertical plates 411 which can be inserted into the containing space, the bottoms of the jacking vertical plates 411 are connected with jacking installation substrates 413, linear bearings 414 are installed on the jacking installation substrates 413, lifting guide columns 412 penetrate through the linear bearings 414, and the tops of the lifting guide columns 412 are connected with the bottoms of the laminate plates 230; a longitudinal connecting beam 420 in sliding fit with the jacking installation substrate 413 is horizontally arranged below the jacking assemblies 410, the longitudinal connecting beam 420 is connected with a jacking driving device 430, and the longitudinal connecting beam 420 drives each jacking assembly 410 to perform up-down lifting motion under the driving of the jacking driving device 430 so as to adjust the height of the battery in each accommodating space.

As shown in fig. 1 and 2, the fixture body 200 is used for loading a battery cell 600 to be partitioned, and includes a front end plate 240, a rear end plate 210, a connection bottom plate 270, a movable pressing plate 220, and a plurality of laminated plates 230 arranged at intervals, wherein the front end plate 240 and the rear end plate 210 are perpendicular to the longitudinal direction, the front end plate 240 and the rear end plate 210 are respectively vertically arranged at two ends of the connection bottom plate 270 in the longitudinal direction, a connection shaft 280 and a guide shaft 250 are arranged between the front end plate 240 and the rear end plate 210, and the connection shaft 280 and the guide shaft 250 are parallel to each other and are arranged along the longitudinal direction; a plurality of laminates 230 slidably disposed on coupling axle 280 and forming a first array in the longitudinal direction; the front end face of the foremost laminate 230 is connected with a movable press plate 220 vertical to the longitudinal direction, a first guide bearing 252 is arranged on the movable press plate 220, the movable press plate 220 is in sliding fit with a guide shaft 250 penetrating through the first guide bearing 252, the movable press plate 220 is connected with a longitudinal driving device 260, and the movable press plate 220 is driven by the longitudinal driving device 260 to do longitudinal linear motion so as to control the cell pressure born by a cell in the accommodating space; a pressure sensor 211 is provided between the rearmost laminate 230 and the rear end plate 210, the pressure sensor 211 is fixed on the front surface of the rear end plate 210, the front end of the pressure sensor 211 is in contact with the rearmost laminate 233, and when the rearmost laminate 233 moves backward, the distance between the laminate 233 and the rear end plate 210 is reduced, and the pressure sensor 211 is pressed during movement, so that the pressure between the laminates can be detected in real time.

As shown in fig. 1 and 2, the longitudinal driving device 260 includes a driving rod 261 and a guiding sleeve 262, the driving rod 261 is rotatably disposed on the front end plate 240, the driving rod 261 is disposed along a longitudinal direction, a threaded section is disposed on the driving rod 261, the guiding sleeve 262 is sleeved on the driving rod 261, an inner wall of the guiding sleeve 262 is provided with an inner thread matched with the threaded section on the driving rod 261, the guiding sleeve 262 is fixedly disposed on the movable pressing plate 220, the driving rod 261 can rotate around a longitudinal axis under the driving of an external force, the guiding sleeve 262 moves along the axis of the driving rod 261, thereby driving the movable pressing plate 220 to move longitudinally, and when the movable pressing plate 220 moves towards or away from the rear end plate 210, the laminates 230 are driven to press or open mutually. When the cells 600 are divided, the cells are respectively arranged in the accommodating spaces between the adjacent laminate plates 230 and are contacted with the surfaces of the laminate plates 230 at the front and back sides, and the pressure of the cells is controlled by controlling the compaction degree between the laminate plates 230.

As shown in FIG. 3, a second guide bearing 234 is provided on each of the lamination plates 230, and the lamination plates 230 are slidably provided on the connection shaft 280 through the second guide bearing 234, and the lamination plates 230 are connected to each other between the adjacent lamination plates 230, and between the foremost lamination plate 230 and the movable platen 220 through the connection chain, and the rearmost lamination plate 230 is restrained from moving in the forward direction by the restraining block.

As shown in fig. 3, the layer 2 plate 230 is provided with a liquid flow passage 235 therein, and the edge of the liquid flow passage 235 connected to the laminate 230 forms a water inlet and outlet. When the volume is divided, water is introduced into the liquid flow channel in the laminate 230, and the surface temperature of the battery cell 600 to be divided is controlled by adjusting the water temperature of water inlet and outlet, so that the surface temperature of the battery cell 600 can be effectively controlled, the battery is prevented from heating and heating, the internal resistance fluctuation of the battery cell 600 can be caused by the overhigh surface temperature of the battery cell 600, and the performance index of the battery can be effectively improved.

As shown in fig. 5 and 7, each of the left and right end portions of each laminate 230 is provided with a set of pole connector 310, and the pole connectors 310 of adjacent laminate 230 are aligned longitudinally; mounting blocks 312 of pole attachment 310 include an upper mounting block 3121 slidably disposed on top of laminate 230, a lower mounting block 3122 slidably disposed below laminate 230, a sliding block 3123 disposed in front of laminate 230, and a back plate 3124 disposed behind laminate 230, the ends of laminate 230 being threaded into collars defined by upper mounting block 3121, lower mounting block 3122, sliding block 3123, and back plate 3124; the sliding seat 3123 is provided with a vertical sliding slot, and the probe mounting plate 313 is slidably inserted in the vertical sliding slot, so that the position of the probe mounting plate 313 is only required to be adjusted when the up-down position of the probe 311 is required to be adjusted. The distance between the two probes 311 which are opposite left and right is adjustable, and the upper and lower positions of the probes 311 are adjustable, so that the method is applicable to capacity division of the battery cells 600 with different sizes.

As shown in fig. 7, the upper edge of the lower mounting seat 3122 is provided with a sliding groove, the lower edge of the laminate 230 is provided with a sliding rail 231 adapted to the sliding groove, and the sliding rail 231 is inserted into the sliding groove to achieve a sliding fit between the lower mounting seat 3122 and the laminate 230. When the laminate 230 slides back and forth along the connection shaft 280, the pole connection device 310 is driven to move back and forth along with the laminate 230, and the pole connection device 310 is slidably disposed at the left and right end portions of the laminate 230, so that the pole connection device 310 can be driven by the left and right spacing adjustment device to move left and right on the laminate surface.

As shown in fig. 4, the longitudinal stereo frame 326 includes an upper longitudinal link 321, a lower longitudinal link 322, a front connection plate 323, and a rear connection plate 328, the front connection plate 323 and the rear connection plate 328 are parallel to each other, and the front connection plate 323 is in sliding fit with the left and right ends of the front end plate 240, and the rear connection plate 328 is in sliding fit with the left and right ends of the rear end plate 210; an upper longitudinal connecting rod 321 and a lower longitudinal connecting rod 322 which are parallel to each other are connected between the front connecting plate 323 and the rear connecting plate 328, and the upper longitudinal connecting rod 321 is slidably arranged in a through hole of the upper mounting seat 3121 aligned front and back; the lower longitudinal link 322 slidably fits through a through hole in the front-to-back aligned lower mount 3122.

As shown in fig. 4, the driving component 327 includes a screw assembly 324 and a first transmission assembly 325, a front connecting plate 323 and a rear connecting plate 328 are respectively provided with a set of screw assemblies 324, the two sets of screw assemblies 324 are connected with each other through the first transmission assembly 325, the screw assemblies 324 include horizontal screws 3241 and first nuts 3242 which are mutually in threaded fit, the front connecting plate 323 and the rear connecting plate 328 are respectively screwed on the corresponding horizontal screws 3241 through the first nuts 3242, the horizontal screws 3241 are arranged along the left-right direction, and one end of each horizontal screw 3241 is externally connected with a driving force to drive the longitudinal three-dimensional frame 326 to move along the left-right direction. When the horizontal screw 3241 is driven by an external driving force, it can rotate about its own left-right axis, and the first nut 3242 is driven to move in the left-right direction, so that the left-right position of the probe 311 is indirectly adjusted by adjusting the left-right position of the vertical space frame 326.

As shown in fig. 2, the front connecting plate 323 is provided with a front insertion port into which the left and right ends of the front end plate are inserted, and a first slide groove 3231 arranged in the left-right direction is provided in the front insertion port, and the first slide groove 241 is slidably engaged with the first slide rail 241 on the front end plate 240. The rear connecting plate 328 is provided with a rear plug interface for inserting the left and right ends of the rear end plate 210, a second sliding rail 3281 arranged in the left-right direction is arranged in the rear plug interface, and the second sliding rail 3281 is in sliding fit with the second sliding rail 212 on the rear end plate.

As shown in fig. 4, the height adjusting device 330 includes a probe adjusting roller 331, a probe adjusting link 332 and a probe height adjusting part 333, two probe adjusting rollers 331 are provided on the probe mounting plate 313 at intervals, and the two probe adjusting rollers 331 are respectively clamped on the upper and lower sides of the probe adjusting link 332 and roll on the surface of the probe adjusting link 332; the probe height adjusting part 333 comprises a first vertical screw rod 3331 and a second nut 3332 which are in threaded fit with each other, the front connecting plate 323 and the rear connecting plate 328 are respectively provided with a first vertical screw rod 3331, the second nut 3332 is connected to the end part of the probe adjusting connecting rod 332, and a second transmission assembly 334 is connected between the two first vertical screw rods 3331. When the up-down position of the probe 311 needs to be adjusted, the longitudinally arranged probe adjusting link 332 driven by the probe height adjusting part 333 is lifted up and down, so as to drive the probe mounting plate 313 to move up and down, and further adjust the height of the probe 311 to adapt to the battery cells with different sizes and models.

As shown in fig. 4, the first transmission assembly and the second transmission assembly are transmission shafts with gears at two ends, and the transmission shafts are in power transmission with the horizontal screw rod 3241 and the first vertical screw rod 3331 through gears meshed with each other.

As shown in fig. 2, 6 and 7, the longitudinal connecting beam 420 is provided with a longitudinal sliding groove 421, the longitudinal sliding groove 421 longitudinally spans all the laminate plates 230, the bottom of the mounting substrate 413 is lifted, and the roller 415 is clamped into the longitudinal sliding groove 421 and rolls in the longitudinal sliding groove 421 of the longitudinal connecting beam 420. When the height of the battery cell 600 in the accommodating space needs to be adjusted, the jacking driving device 430 drives the longitudinal connecting beam 420 to lift, so as to drive the jacking assemblies 410 mounted on the longitudinal connecting beam 420 to lift synchronously, and further adjust the positions of the jacking vertical plates 411 of each jacking assembly 410 inserted into the accommodating space, thereby adjusting the heights of the batteries in each accommodating space. When the size of the accommodating space between the laminates is adjusted, the lifting assembly 410 can slide on the longitudinal connecting beam 420, so that the movement of the laminates is not blocked.

As shown in fig. 4, a set of jacking driving devices 430 are respectively arranged on the front end plate 240 and the rear end plate 210, so that the balance of the longitudinal connecting beam 420 can be maintained, and the longitudinal connecting beam 420 is always in a horizontal state when lifting; the jacking driving device 430 comprises a lifting screw rod assembly 431 and a linkage rod 432, the lifting screw rod assembly 431 comprises a second vertical screw rod 4311 and a third nut 4312, the two second vertical screw rods 4311 are respectively and rotatably arranged on the front end plate 240 and the rear end plate 210, and the two second vertical screw rods 4311 are mutually connected through the linkage rod 432 to realize synchronous rotation of the second vertical screw rods 4311; the third nut 4312 is fixedly connected to the end of the longitudinal connecting beam 420, and the second vertical screw 4311 is inserted into the third nut 4312 and is in threaded fit with the third nut 4312, so that when the second vertical screw 4311 is driven to rotate by external force, the third nut 4312 is driven to move in the up-down direction.

When the battery is subjected to chemical composition testing, the square lithium battery is loaded into each accommodating space of the clamp body, the bottom of the square lithium battery is supported by the jacking vertical plates of the battery core jacking mechanism, the accommodating spaces are adjusted by adjusting the distance between the laminated plates, so that the battery is clamped, as the probes are arranged at the two end parts of the laminated plates, the front and back positions of the probes can be synchronously adjusted only by adjusting the distance between the laminated plates in the front and back directions, the upper and lower positions of the probes can be controlled by adjusting the height adjusting device, the height adjusting device drives the probe mounting plate to do linear motion in the upper and lower directions, so that the probes are driven to do synchronous motion, and after the front and back positions and the upper and lower positions of the probes are adjusted, the left and right distance adjusting device works, the battery post contact mechanisms at the two sides of the laminated plates can be driven to do linear motion in the left and right directions, and the post contact devices do linear motion in the left and right directions along the surfaces of the laminated plates, so that the probes on the post contact or are separated from the lithium battery which is formed; the position of the probe can be synchronously adjusted according to the size and the type of the battery, so that the probe can be suitable for batteries of different sizes and types, the compatibility of equipment is improved, and the power connection reliability of the probe and the battery is greatly improved.

More advantageously, be equipped with pressure sensor between rearmost plywood and the back end plate, thereby the accessible control plywood compresses tightly the degree and controls electric core pressure, real-time supervision plywood pressure to combine the anchor clamps body to adjust pressure size at any time, improve the restraint effect, prevent the inflation of battery effectively.

In the formation and separation process, the battery needs to be repeatedly charged and discharged, a large amount of heat can be generated in the process, the battery is heated and warmed, and the high temperature can cause fluctuation of the internal resistance of the battery, so that the performance index of the battery is affected. Therefore, in the battery formation and capacity division process, the temperature of the surface of the battery needs to be controlled, water can be introduced into the laminate, and the temperature of the capacity division battery core is controlled by adjusting the water temperature of water inlet and outlet, so that the surface temperature of the battery can be prevented from being too high, good temperature control is realized, and the mass production is facilitated.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The square lithium battery capacity-dividing clamp mounting and connecting device comprises a clamp body (200), wherein a first array formed by a plurality of laminates (230) which are perpendicular to the horizontal plane and are parallel to each other is arranged in the clamp body (200), the longitudinal axis direction of the first array is defined as a longitudinal direction, one longitudinal direction is defined as a forward direction, and the other longitudinal direction is defined as a backward direction; the laminae (230) are rectangular and perpendicular to the longitudinal axis of the array; the extending direction of one side of the laminate (230) is defined as the left-right direction, the extending direction of the other side is defined as the up-down direction, a containing space for containing the battery cell (500) is reserved between the adjacent laminate (230), and the laminate (230) is flexibly connected, which is characterized in that:

the left end and the right end of the clamp body (200) are respectively provided with a set of battery pole contact mechanism (300), and the battery pole contact mechanism (300) comprises a plurality of pole power connection devices (310), a left-right distance adjusting device (320) and a height adjusting device (330); the pole electric connection device (310) comprises a probe (311), a mounting seat (312) and a probe mounting plate (313), wherein the mounting seat (312) is slidably sleeved at the end part of the laminate (230); the probe (311) is arranged on the probe mounting plate (313), the probe mounting plate (313) is slidably arranged on the mounting seat (312), the bottom of the probe mounting plate (313) is connected with the height adjusting device (330), and the height adjusting device (330) drives the probe mounting plate (313) to do linear motion in the up-down direction; the left-right spacing adjusting device (320) comprises a longitudinal three-dimensional frame (326) and a driving part (327), a plurality of sets of pole electric connection devices (310) are slidably arranged on the longitudinal three-dimensional frame (326), the pole electric connection devices (310) form a second array in the longitudinal direction, the pole electric connection devices (310) on two adjacent plates (230) are aligned in the longitudinal direction, the longitudinal three-dimensional frame (326) is connected with the driving part (327), and the longitudinal three-dimensional frame (326) is driven by the driving part (327) to drive the pole electric connection devices (310) to do linear motion in the left-right direction along the surface of the plate (1) so as to enable probes (311) on the pole electric connection devices (310) to contact or be separated from a lithium battery formed by chemical conversion;

the bottom of the fixture body (200) is provided with a battery core jacking mechanism (400), the battery core jacking mechanism (400) comprises a plurality of jacking assemblies (410), longitudinal connecting beams (420) and jacking driving devices (430), each containing space is provided with one jacking assembly (410), each jacking assembly (410) comprises a jacking vertical plate (411) which can be inserted into the containing space, the bottom of each jacking vertical plate (411) is connected with a jacking installation substrate (413), a linear bearing (414) is installed on each jacking installation substrate (413), a lifting guide pillar (412) is arranged in each linear bearing (414) in a penetrating mode, and the top of each lifting guide pillar (412) is connected with the bottom of the laminate (230); a longitudinal connecting beam (420) which is in sliding fit with the jacking installation base plate (413) is horizontally arranged below the jacking components (410), the longitudinal connecting beam (420) is connected with a jacking driving device (430), and the longitudinal connecting beam (420) drives each jacking component (410) to do up-down lifting motion under the driving of the jacking driving device (430) so as to adjust the height of the battery in each accommodating space.

2. The square lithium battery capacity-division clamp-attached electric device according to claim 1, wherein: the clamp body (200) comprises a front end plate (240), a rear end plate (210), a connecting bottom plate (270), a movable pressing plate (220) and a plurality of laminated plates (230) which are arranged at intervals, wherein the front end plate (240) and the rear end plate (210) are vertically arranged at two longitudinal ends of the connecting bottom plate (270), and a connecting shaft (280) and a guide shaft (250) are arranged between the front end plate (240) and the rear end plate (210); a plurality of laminates (230) slidably disposed on the connecting shaft (280) and forming a first array in a longitudinal direction; the front end surface of the foremost laminate (230) is connected with a movable press plate (220) which is vertical to the longitudinal direction, the movable press plate (220) is in sliding fit with the guide shaft (250), the movable press plate (220) is connected with a longitudinal driving device (260), and the movable press plate (220) is driven by the longitudinal driving device (260) to perform linear motion in the longitudinal direction so as to control the cell pressure received by a cell in the accommodating space; a pressure sensor (211) is arranged between the rearmost laminate (230) and the rear end plate (210).

3. The square lithium battery capacity-division clamp-attached electric device according to claim 2, wherein: each laminate (230) is provided with a guide bearing (234), the laminate (230) is slidably arranged on the connecting shaft (280) through the guide bearing (234), all the laminates (230) and the adjacent laminates (230) are connected through a connecting chain, and the rearmost laminate (230) is limited to move in the forward direction through a limiting block.

4. The square lithium battery capacity-division clip-on electric device according to claim 3, wherein: the laminate (230) is internally provided with a liquid flow passage, and the edge of the liquid flow passage communicated to the laminate (230) forms a water inlet and a water outlet.

5. The square lithium battery capacity-division clip-on electric device according to any one of claims 1 to 4, wherein: the mounting seat (312) comprises an upper mounting seat (3121) which is slidably arranged on the upper side of the laminate (230), a lower mounting seat (3122) which is slidably arranged on the lower side of the laminate (230), a sliding seat (3123) which is arranged on the front side of the laminate (230) and a back plate (3124) which is arranged on the back side of the laminate (230), and the end part of the laminate (230) is arranged in a lantern ring which is surrounded by the upper mounting seat (3121), the lower mounting seat (3122), the sliding seat (3123) and the back plate (3124) in a penetrating way; the sliding seat (3123) is provided with a vertical sliding groove, and the probe mounting plate (313) is slidably inserted in the vertical sliding groove.

6. The square lithium battery capacity-division clamp-attached electric device according to claim 5, wherein: the longitudinal three-dimensional frame (326) comprises an upper longitudinal connecting rod (321), a lower longitudinal connecting rod (322), a front connecting plate (323) and a rear connecting plate (328), wherein the front connecting plate (323) and the rear connecting plate (328) are parallel to each other, the front connecting plate (323) is in sliding fit with the left end and the right end of the front end plate (240), and the rear connecting plate (328) is in sliding fit with the left end and the right end of the rear end plate (210); an upper longitudinal connecting rod (321) and a lower longitudinal connecting rod (322) which are parallel to each other are connected between the front connecting plate (323) and the rear connecting plate (328), and the upper longitudinal connecting rod (321) is slidably arranged in a through hole of an upper mounting seat (3121) which is aligned front and back; the lower longitudinal link (322) slidably fits through the through hole of the front-to-back aligned lower mount (3122).

7. The square lithium battery capacity-division clamp-attached electric device according to claim 6, wherein: the driving component (327) comprises a screw rod assembly (324) and a first transmission assembly (325), a front connecting plate (323) and a rear connecting plate (328) are respectively provided with a set of screw rod assembly (324), the two sets of screw rod assemblies (324) are connected with each other through the first transmission assembly (325), the screw rod assembly (324) comprises horizontal screw rods (3241) and first nuts (3242) which are matched with each other in a threaded mode, the front connecting plate (323) and the rear connecting plate (328) are respectively arranged on the corresponding horizontal screw rods (3241) in a rotating mode through the first nuts (3242), the horizontal screw rods (3241) are arranged in the left-right direction, and one end of each horizontal screw rod (3241) is externally connected with driving force to drive the longitudinal three-dimensional frame (326) to move in the left-right direction.

8. The square lithium battery capacity-division clamp-attached electric device according to claim 7, wherein: the height adjusting device (330) comprises a probe adjusting roller (331), a probe adjusting connecting rod (332) and a probe height adjusting part (333), wherein two probe adjusting rollers (331) are arranged on the probe mounting plate (313) at intervals, and the two probe adjusting rollers (331) are respectively clamped on the upper side and the lower side of the probe adjusting connecting rod (332) and roll on the surface of the probe adjusting connecting rod (332); the probe height adjusting part (333) comprises a first vertical screw rod (3331) and a second nut (3332) which are in threaded fit with each other, the first vertical screw rod (3331) is respectively arranged on the front connecting plate (323) and the rear connecting plate (328), the second nut (3332) is connected to the end part of the probe adjusting connecting rod (332), and a second transmission assembly (334) is connected between the two first vertical screw rods (3331).

9. The square lithium battery capacity-division clamp-attached electric device according to claim 1, wherein: a set of jacking driving devices (430) are respectively arranged on the front end plate (240) and the rear end plate (210), each jacking driving device (430) comprises a lifting screw rod assembly (431) and a linkage rod (432), each lifting screw rod assembly (431) comprises a second vertical screw rod (4311) and a third nut (4312), the two second vertical screw rods (4311) are respectively rotatably arranged on the front end plate (240) and the rear end plate (210), and the two second vertical screw rods (4311) are connected with each other through the linkage rods (432) to realize synchronous rotation of the second vertical screw rods (4311); the third nut (4312) is fixedly connected to the end part of the longitudinal connecting beam (420), the second vertical screw rod (4311) penetrates through the third nut (4312) and is in threaded fit with the third nut (4312), and when the second vertical screw rod (4311) is driven to rotate by external force, the third nut (4312) is driven to move along the up-down direction.

10. The square lithium battery capacity-division clamp-attached electric device according to claim 9, wherein: the longitudinal connecting beam (420) is provided with a longitudinal sliding groove (421), the bottom of the mounting substrate (413) is lifted, and the roller (415) is clamped into the longitudinal sliding groove (421) and rolls in the longitudinal sliding groove (421) of the longitudinal connecting beam (420).