CN211404653U

CN211404653U - Battery and battery case assembling device

Info

Publication number: CN211404653U
Application number: CN202020428813.1U
Authority: CN
Inventors: 杨树涛; 冯旭东; 梁铉正; 张伟; 李博
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-09-01
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to a lithium ion battery for electric motor car makes the field, discloses an assembly quality of battery and battery case, including the tractive subassembly and the supplementary tractive spare that set gradually, be equipped with the tractive end that is used for the tractive battery on the tractive subassembly, the tractive end passes the inner space of battery case and implements the tractive to the battery through supplementary tractive spare, with battery tractive to the battery case inside. The utility model discloses during the utilization adsorbs, snatchs supplementary tractive piece and draws in the battery case with the mode of tractive with the battery, go into the casing speed very fast and can not harm the battery again, convenient quick, production efficiency promotes by a wide margin, and greatly reduced is gone into the casing because of the battery and is out of shape the risk that arouses the inefficacy.

Description

Battery and battery case assembling device

Technical Field

The utility model relates to a lithium ion battery for electric motor car makes the field, specifically relates to assembly quality of battery and battery case.

Background

As a power source of a new energy automobile, the lithium ion battery occupies the core position of a power battery due to the advantages of small self-discharge, high energy density and the like. In order to meet the requirements of high voltage and long driving range of automobiles and have lower cost, the appearance of the lithium ion battery is gradually developed towards a flattened long battery. In the prior art, a large number of lithium ion batteries need to be assembled in series and parallel before being loaded, and the lithium ion batteries are made into a flat strip shape, so that the shape can be used for increasing the battery capacity and increasing the heat dissipation. Because the lithium ion battery is longer, has relatively larger mass but is softer, the friction force between the shell of the battery shell and the battery is relatively larger when the battery is placed into the battery shell. In the existing partial process, before the battery is placed into the shell, a layer of Mylar paper is coated on the surface of the battery or the Mylar paper is directly placed into the shell of the battery shell without being reinforced, so that the efficiency is low and the battery is easily damaged. In the assembling process, the manipulator grabs the battery body and plugs the battery body into the shell, the battery body is easy to deform, and the battery is extruded when being plugged into the shell, so that the deformation is more serious, and the difficulty of entering the shell is higher; meanwhile, when grabbing the battery tab, the manipulator easily causes tab tearing, so that the risk of battery failure exists, and the dislocation of the pole piece is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that lithium ion battery's long battery that prior art exists goes into the shell difficulty, providing the assembly quality of a battery and battery case, utilize adsorb, snatch supplementary tractive spare and draw in the battery case with the mode of tractive with the battery, go into the shell speed very fast and can not harm the battery again, convenient quick, production efficiency promotes by a wide margin, greatly reduced is gone into the shell because of the battery and is out of shape the risk that arouses the inefficacy.

In order to achieve the above object, the present invention provides an assembly apparatus for a battery and a battery case, comprising a drawing assembly and an auxiliary drawing member, wherein the drawing assembly and the auxiliary drawing member are sequentially arranged, the drawing assembly is provided with a drawing end for drawing the battery, the drawing end passes through an inner space of the battery case and implements drawing on the battery through the auxiliary drawing member, and the battery is drawn into the battery case.

Preferably, the auxiliary pulling member is a hard material layer fixed outside the battery, and a protrusion part for applying force is left at one end of the battery facing the pulling assembly.

Preferably, a positioning assembly is arranged between the pulling assembly and the auxiliary pulling piece, and a fixing part for fixing the battery case is arranged on the positioning assembly.

Preferably, the auxiliary traction member is a bracket fixed outside the battery.

Preferably, the auxiliary pulling member is a hard tape adhered to the outside of the battery, and a protrusion for applying force is left at one end of the battery facing the pulling assembly.

Preferably, the pulling assembly comprises a telescopic cylinder and a telescopic rod; and/or the traction end is a sucker or a manipulator arranged at the end part of the telescopic rod.

Preferably, the number of the suction cups or the robot is plural.

Preferably, the positioning assembly comprises a clamping cylinder and a clamping rod arranged oppositely, and the fixing part is a clamping plate arranged at the end part of the clamping rod and used for fixing the battery case.

Preferably, a rubberizing assembly used for adhering the protruding part of the hard adhesive tape to the end part of the battery after the battery is installed in the battery shell is further arranged between the pulling assembly and the positioning assembly.

Preferably, the rubberizing subassembly includes rubberizing cylinder and the cylinder pole that sets up relatively, the tip of cylinder pole is equipped with the rubber roller that pushes away that is used for at the protruding portion application of force.

Through the technical scheme, the utility model discloses during the utilization adsorbs, snatchs supplementary tractive spare and with the mode of tractive with the battery pull-in battery case, go into the casing speed very fast and can not harm the battery again, convenient quick, production efficiency promotes by a wide margin, greatly reduced is gone into the casing because of the battery and is out of shape the risk that arouses the inefficacy.

Drawings

Fig. 1 is a schematic structural diagram of a battery according to a first embodiment of the present invention;

FIG. 2 is a schematic illustration of the positional relationship between the pulling assembly and the battery enclosure in accordance with one embodiment;

FIG. 3 is a schematic view illustrating a position relationship between the pulling assembly and the auxiliary pulling member in an undrawn state according to the first embodiment;

FIG. 4 is a schematic view of the assembly position of the pulling assembly pulling the secondary pull member and into the battery case according to the first embodiment;

fig. 5 is a schematic view of an assembly start position according to a second embodiment of the present invention;

FIG. 6 is a schematic diagram of a battery pulling position according to the second embodiment;

FIG. 7 is a schematic diagram illustrating the position relationship of the battery according to the second embodiment after the battery enters the battery case;

fig. 8 is a schematic view of a third assembly starting position according to an embodiment of the present invention;

FIG. 9 is a schematic diagram showing a battery pulling position in the third embodiment;

FIG. 10 is a schematic diagram showing the positional relationship of the battery after the battery of the third embodiment enters the battery case;

fig. 11 is a schematic view showing the position where the protruding portion of the hard tape of the third embodiment is adhesively bonded to the end portion of the battery.

Description of the reference numerals

100 pulling assembly 110 pulling end 120 telescopic cylinder 121 telescopic rod 200 positioning assembly 210 fixed part 220 clamping cylinder 221 clamping rod 300 hard material layer 301 protruding part 300 'support 300' hard adhesive tape 400 rubberizing assembly 410 rubberizing cylinder 420 cylinder rod 421 pushing adhesive roller 500 tab 1000 battery case 2000 battery

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" generally refer to the inner and outer relative to the profile of the components themselves; "distal and proximal" generally refer to distance relative to the contour of the components themselves.

Example one

As shown in fig. 1 to 4, the present invention provides an assembly apparatus for a battery and a battery case, including a drawing assembly 100 and an auxiliary drawing member which are sequentially arranged, the drawing assembly 100 is provided with a drawing end 110 for drawing a battery 2000, the drawing end 110 passes through an inner space of the battery case 1000 and implements drawing on the battery 2000 through the auxiliary drawing member, and the battery 2000 is drawn to the inside of the battery case 1000. In this embodiment, the auxiliary pulling member is a hard material layer 300 disposed outside the battery 2000, and the hard material layer 300 is provided with a protrusion 301 for applying force at one end of the battery 2000 facing the pulling assembly 100. The hard material layer 300 is generally made of a polyester-based polymer material. It should be noted that the battery and battery case assembling device provided by the present invention is generally suitable for all sizes of batteries, but is particularly suitable for the easily deformable battery 2000 having a flat and long shape, and the preferred battery length is between 200 and 2000 mm. The battery has a flat and long shape, has relatively large mass but is relatively soft, and when the battery is placed in a battery case, the friction force between the case of the battery case and the battery is relatively large, so that the battery is grabbed and plugged into the battery case in the assembling process, the battery is easy to deform due to the flat and long shape, and the battery is extruded when being plugged into the case of the battery case, so that the deformation is more serious, the difficulty in placing the battery case is large, the efficiency is low, the battery is easy to damage, and the dislocation of pole pieces is easy to cause. And the traction component of the utility model effectively solves the problems. That is to say, the utility model discloses during the utilization adsorbs, snatchs supplementary tractive piece and draws in the battery case with the mode of tractive with the battery, go into that the shell speed is very fast can not harm the battery again, and is convenient quick, and production efficiency promotes by a wide margin, and greatly reduced is gone into the shell because of the battery and is out of shape the risk that arouses the inefficacy.

As shown in fig. 1 to 4, in the present embodiment, the assembly process of the battery and the battery case is such that:

the pulling assembly 100 passes through the interior of the battery enclosure 1000 with the pulling end 110 passing in from one side of the battery enclosure 1000 and out from the other side adjacent the battery 2000. the pulling end 110 in this embodiment is a robotic arm that applies traction to the battery 2000 by grasping a protrusion 301 formed by a layer of hard material 300 disposed on the exterior of the battery 2000, pulling the battery 2000 toward the interior of the battery enclosure 1000. When the battery 2000 enters a predetermined position of the battery enclosure 1000, the battery encasing assembly process is complete. Obviously, the utility model discloses in drawing in battery 2000 into battery case 1000 with the mode of tractive, go into that the shell speed is very fast can not harm the battery again, convenient quick and production efficiency is high.

Example two

As shown in fig. 5 to 7, the battery and battery case assembling device provided in the present embodiment is an improvement on the structure of the above embodiment, and specifically, in the present embodiment, in addition to the pulling assembly 100 and the auxiliary pulling member sequentially provided in the first embodiment, the device further includes a positioning assembling assembly 200 provided between the pulling assembly 100 and the auxiliary pulling member. In order to improve the assembly efficiency, the pulling end 110 of the pulling assembly 100 for pulling the battery 2000 is configured as a telescopic moving component in this embodiment, and the positioning assembly 200 is provided with a fixing portion 210 for fixing the battery case 1000, and the fixing portion 210 generally adopts a clamping plate structure. During assembly, the pulling end 110 penetrates through one side of the battery case 1000, penetrates through the inside of the battery case 1000, and then protrudes out of the other side of the battery case 1000, and pulls the battery 2000 at the side of the battery 2000 facing the positioning assembly 200, and pulls the battery 2000 into the inside of the battery case 1000. In order to facilitate the pulling assembly 100 to exert force during pulling, in this embodiment, the auxiliary pulling member is a bracket 300 'fixed outside the battery 2000, and the positioning assembly 200 is disposed between the pulling assembly 100 and the bracket 300'.

Further, the primary function of the pulling assembly 100 is to pull the battery 2000 into the battery case 1000 by means of a telescopic motion. Therefore, in practical applications, the method can be realized by adopting various structures. In the embodiment shown in fig. 5 to 7, the pulling assembly 100 includes a telescopic cylinder 120 and a telescopic rod 121, and the pulling end 110 is a suction cup disposed at an end of the telescopic rod 121, and is sucked on the bracket 300' through the suction cup to pull the battery 2000. In order to facilitate the pulling of the battery 2000 and the uniform force applied thereto, the number of the suckers may be plural. Of course, instead of using a suction cup, it is also possible to use a robot at the pulling end 110 to grip the rack 300'. Specifically, the pulling assembly 100 includes a telescopic cylinder 120 and a telescopic rod 121, and the pulling end 110 may also be a manipulator disposed at an end of the telescopic rod 121. Further, the positioning assembly 200 includes a clamping cylinder 220 and a clamping rod 221 disposed opposite to the clamping cylinder, and the fixing part 210 is a clamping plate disposed at an end of the clamping rod 221 for fixing the battery case 1000.

As shown in fig. 5 and fig. 6 in combination with fig. 7, the working process of this embodiment is as follows:

as shown in fig. 5, the battery 2000 to be assembled into the battery case 1000 is fixed on the bracket 300 ', and the bracket 300' is used as an auxiliary pulling member, and a corresponding position for facilitating the force application of the pulling end 110 of the pulling assembly 100 is left. The clamping cylinder 220 in the positioning assembly 200 is started to drive the clamping rod 221 to drive the clamping plate to clamp the battery case 1000, and the position is fixed. The connection between the battery 2000 and the support 300' as an auxiliary pull and the clamping of the battery case 1000 can be performed sequentially or simultaneously in order to save the assembly time. After the connection and fixation of the battery 2000 to the bracket 300' and the clamping of the battery case 1000 are completed, as shown in fig. 6, the telescopic rod 121 with suction cups is inserted from one side of the battery case 1000, penetrates through the hollow space of the battery case 1000, extends from the other side and moves toward the battery 2000 under the action of the telescopic cylinder 120. When the battery 2000 is close to, the suction disc is adsorbed on the bracket 300 'outside the battery 2000, the telescopic cylinder 120 drives the telescopic rod 121 to contract, the battery 2000 with the bracket 300' is pulled to enter the battery case 1000, after the battery reaches a preset position, the suction disc is released, the clamping cylinder 220 is released, and the assembling process of the battery 2000 in the battery case 1000 is completed, as shown in fig. 7.

As can be seen from the above, in the present embodiment, the suction cup disposed on the drawing assembly 100 is used to suck the support 300' outside the battery 2000, and the battery 2000 is drawn into the battery case 1000 in a drawing manner, so that the battery 2000 is not damaged even though the battery case is quickly inserted, and the present embodiment is convenient and fast and has high production efficiency.

EXAMPLE III

As shown in fig. 8 to 11, the battery and battery case assembling apparatus provided in the present embodiment is a further improvement on the structure of the second embodiment described above. Specifically, since the auxiliary pulling member is the hard tape 300 "adhered to the outside of the battery 2000 in the present embodiment, the hard tape 300" is adhered to the outside of the battery 2000 before the battery 2000 and the battery case 1000 are assembled, and the hard tape 300 "has a protrusion 301 for facilitating the application of force at one end of the battery 2000 facing the pulling assembly 100 in order to facilitate the pulling of the pulling assembly 100.

After the insertion of the battery 2000 into the battery case 1000 is completed, the auxiliary pulling member is the hard tape 300 ″ whose protruding portion 301 needs to be bent and adhered to the end surface of the battery 2000 to prevent the subsequent processes from being affected. Therefore, further, a rubberizing assembly 400 for adhering the protruding part 301 to the end of the battery 2000 after the battery 2000 is installed in the battery case 1000 is further provided between the drawing assembly 100 and the positioning and assembling assembly 200. Specifically, the rubberizing assembly 400 comprises a rubberizing air cylinder 410 and an air cylinder rod 420 which is arranged oppositely, and the end part of the air cylinder rod 420 is provided with a glue pushing roller 421.

With reference to fig. 8 to 11, the main assembly process of the battery and the battery case in the present embodiment is such that:

as shown in fig. 8, first, before the battery 2000 and the battery case 1000 are assembled, a hard tape 300 ″ is pasted on the outside of the battery 2000, tabs 500 are protruded from both ends of the battery 2000, and the hard tape 300 ″ is left with protrusions 301 for facilitating grasping of the pulling assembly 100 at positions on both sides of the tabs 500 at the end of the battery 2000; the clamping cylinder 220 fixes the battery case 1000 by means of a clamping plate, so that the initial relative positions of the battery 2000 and the battery case 1000 are determined. The telescopic bar 121 penetrates the inside of the battery case 1000 from one end of the battery case 1000 to the other end, and is connected to the protrusion 301 by suction with a suction cup or grasping with a robot, as shown in fig. 9. Subsequently, the telescopic rod 121 is contracted to drive the battery 2000 to move and drag the battery to a designated position in the battery case 1000, as shown in fig. 10. For the designated position, the position can be determined by setting a limiting mechanism similar to a limiting block inside the battery case 1000, or by controlling the telescopic distance of the telescopic rod 121, which is not described herein again. When the battery 2000 reaches a designated position in the battery case 1000, the suction cup releases or the mechanical gripper releases the protrusion 301 of the hard adhesive tape, and at this time, the taping cylinder 410 pushes the glue pushing roller 421 through the cylinder rod 420 to stick the protrusion 301 to both sides of the tab 500 of the battery 2000, as shown in fig. 11. Subsequently, the rubberizing cylinder 410 is reset, the clamping cylinder 220 is released, and the assembled battery 2000 and the battery case 1000 can be taken off together and ready for the next assembly process.

It should be noted that, the adhesive tape selected for use in the above assembling process should have a surface with less roughness and smooth surface so that the casing entering process is smooth and not prone to causing the pole piece dislocation in the casing entering process due to friction, and the other surface should have good adhesion so as to better drag the battery to move, and also can be better adhered to the side surface of the battery to prevent the pole piece dislocation. In addition, the adhesive tape should have pores for the electrolyte to infiltrate.

In addition, in the above-mentioned assembly process, the actual functions of the hard material layer, the bracket or the hard tape are the same, and all belong to the auxiliary traction member, and are used for preventing the direct contact between the traction assembly and the battery, so as to avoid damaging the battery. The three methods can be applied to batteries with various lengths, and compared with the two methods of arranging a hard material layer or a bracket outside the battery, the adhesive tape can further improve the production efficiency.

According to the above technical scheme, the utility model discloses during the utilization adsorbs, snatchs supplementary tractive spare and draws in the battery case with the mode of tractive with the battery, go into the casing speed very fast and can not harm the battery again, convenient quick, production efficiency promotes by a wide margin, and greatly reduced is gone into the casing because of the battery and is out of shape the risk that arouses the inefficacy.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right the utility model discloses a multiple simple variant is carried out to technical scheme, for example, can adopt multiple motion mode to realize, all use from the battery rear end pull the mode of going into the shell all can. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The battery and battery case assembling device is characterized by comprising a drawing assembly (100) and an auxiliary drawing piece which are sequentially arranged, wherein a drawing end (110) for drawing a battery (2000) is arranged on the drawing assembly (100), the drawing end (110) penetrates through the inner space of a battery case (1000) and draws the battery (2000) through the auxiliary drawing piece, and the battery (2000) is drawn into the battery case (1000).

2. The battery and battery case assembly device according to claim 1, wherein the auxiliary pull is a hard material layer (300) fixed outside the battery (2000), the hard material layer (300) leaving a protrusion (301) for applying force at one end of the battery (2000) facing the pull assembly (100).

3. The battery and battery case assembling device according to claim 1, wherein a positioning assembling component (200) is arranged between the pulling component (100) and the auxiliary pulling piece, and a fixing part (210) for fixing the battery case (1000) is arranged on the positioning assembling component (200).

4. The battery and battery case assembly device of claim 3, wherein said secondary pull is a bracket (300') fixed to the outside of said battery (2000).

5. The battery and battery case assembly device according to claim 3, wherein the auxiliary pulling member is a hard adhesive tape (300 ") adhered to the outside of the battery (2000), the hard adhesive tape (300") leaving a protrusion (301) for applying force at one end of the battery (2000) facing the pulling assembly (100).

6. The battery and battery case assembly device according to any one of claims 1 to 5, wherein the pulling assembly (100) comprises a telescopic cylinder (120) and a telescopic rod (121);

and/or the traction end (110) is a sucker or a manipulator arranged at the end part of the telescopic rod (121).

7. The battery and battery case assembling apparatus according to claim 6, wherein said suction cups or said robot arms are provided in plural numbers.

8. The battery and battery case assembling apparatus according to claim 3, wherein said positioning assembly (200) comprises a clamping cylinder (220) and an oppositely arranged clamping rod (221), and said fixing portion (210) is a clamping plate arranged at the end of said clamping rod (221) for fixing said battery case (1000).

9. The battery and battery case assembling apparatus according to claim 5, wherein a taping assembly (400) for adhering the protrusion (301) of the hard tape (300 ") to the end of the battery (2000) after the battery (2000) is mounted in the battery case (1000) is further provided between the drawing assembly (100) and the positioning assembly (200).

10. The battery and battery case assembling device according to claim 9, wherein the rubberizing assembly (400) comprises a rubberizing cylinder (410) and an oppositely arranged cylinder rod (420), and the end of the cylinder rod (420) is provided with a glue pushing roller (421) for applying force on the protruding part.