CN211516519U

CN211516519U - Auxiliary battery module welded anchor clamps

Info

Publication number: CN211516519U
Application number: CN201922153199.2U
Authority: CN
Inventors: 徐勇; 王培为; 许瑞; 王易玮; 徐作斌
Original assignee: Dongguan Huiyang Power Technology Co ltd
Current assignee: Dongguan Huiyang Power Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-18
Anticipated expiration: 2029-12-05

Abstract

The utility model provides a fixture for assisting in welding a battery module, which comprises a positioning component and a push plate component, wherein the positioning component comprises a first positioning baffle, a second positioning baffle and a third positioning baffle; the push plate assembly comprises a first push plate and a push rod connected with the first push plate, and the first positioning baffle, the second positioning baffle, the third positioning baffle and the first push plate are the same in height. Compared with the prior art, the utility model discloses the breach that utilizes first, second, third locating component to form earlier is tentatively stable with battery module, then seals an opening of breach department through the first push pedal in the push pedal subassembly for the stability of battery module has been guaranteed to the encirclement all around, and then in the welded, utmost point ear can closely laminate with the busbar, in order to guarantee welded yield.

Description

Auxiliary battery module welded anchor clamps

Technical Field

The utility model relates to a laminate polymer battery technical field, concretely relates to auxiliary battery module welded anchor clamps.

Background

The soft package battery core has many advantages such as the security is good, energy density is high, long cycle life, can develop fast in new forms of energy electric automobile trade, and new forms of energy automobile then relies on power battery to provide the energy mainly, wherein gives first place to the power battery module.

Since the development of soft package power battery modules, most batteries have plastic or metal frames to support the whole tab support and the whole module when the modules are formed. Conventionally, a plurality of monocells are firstly combined into a module, then a metal frame or a plastic support is used for supporting the modules to stack the modules to form a module, then a bus bar support is installed on the module, and a tab is welded, at the moment, the tab has enough frame to support, so that when welding, no external clamp is needed to provide supporting force.

However, in order to increase the energy density of the battery, many battery factories eliminate the metal frame in the module, and directly stack the module in the module stacking stage, and then insert the module into the U-shaped frame or the square tube after stacking, and then mount the bus bar assembly and weld the tabs. However, after the modules are stacked and sleeved into the U-shaped frame or the square tube, the difficulty of installing the bus bar assembly is too high, so that the process flow is designed as follows: firstly, assembling a busbar assembly for the stacked battery cores, welding tabs, and then placing the battery cores into a U-shaped frame or a square tube. However, when welding, the tab needs to be pressed by a pressure head assembly, so that the tab is tightly attached to the busbar, and the welding effect can be ensured; therefore, the process needs to provide an external supporting clamp to ensure the welding effect.

In view of the above, it is necessary to provide a technical solution to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a welded anchor clamps of auxiliary battery module, the problem of the battery module who has solved earlier welding utmost point ear and then goes into the frame does not have the holding power, utilizes this device to carry out support welding, has guaranteed the welded yield.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixture for assisting in welding a battery module comprises a positioning assembly and a push plate assembly, wherein the positioning assembly comprises a first positioning baffle, a second positioning baffle and a third positioning baffle, and the first positioning baffle is connected with the third positioning baffle through the second positioning baffle to form a notch matched with the battery module; the push plate assembly comprises a first push plate and a push rod connected with the first push plate, and the first positioning baffle, the second positioning baffle, the third positioning baffle and the first push plate are the same in height.

The utility model discloses a locating component is with battery module preliminary stability earlier, then surrounds battery module all around through the push pedal subassembly, has guaranteed battery module's stability for when the welded, utmost point ear can closely laminate with the busbar, in order to guarantee welded yield. Specifically, the utility model utilizes the first positioning baffle, the second positioning baffle and the third positioning baffle to connect and form a gap matched with the battery module, so that three sides of the battery module are surrounded, and preliminary stability is completed; then, the first push plate is pushed to the opening of the notch by the push rod, so that the periphery of the battery module is surrounded and the battery module is further fixed. The problem of the battery module that welds utmost point ear earlier and then go into the frame does not have the holding power is solved, the welded yield has been guaranteed.

Preferably, the push plate assembly further comprises a second push plate, and the push rod penetrates through the second push plate to be connected with the first push plate. The setting of second push pedal can make the manual work more easily through the removal of the first push pedal of push rod control, and can stabilize first push pedal.

Preferably, the second push plate is provided with a first linear bearing matched with the push rod. The linear bearing and the push rod are matched with each other to enable the first push plate to keep linear motion. More preferably, the first linear bearing is a first metal linear bearing. At the moment, the metal linear bearing and the push rod are in point contact, and are in rolling friction and more suitable for low-load high-speed motion.

Preferably, one end of the push rod, which is far away from the first push plate, is also connected with a handle. The handle is arranged to facilitate manual operation.

Preferably, a plurality of guide rods are movably connected between the second push plate and the first push plate. The setting of a plurality of guide bars not only can make the removal of first push pedal more firm, can further consolidate the fixed to battery module after accomplishing surrounding of battery module simultaneously.

Preferably, the guide rods are symmetrically arranged at the upper part and the lower part of the second push plate.

Preferably, the second push plate is provided with a second linear bearing matched with the plurality of guide rods. Similarly, a second linear bearing may be provided to cooperate with the guide rod to maintain the linear movement of the first push plate. More preferably, the second linear bearing is a second metal linear bearing.

Preferably, the clamp further comprises a plurality of reinforcing plates, and the reinforcing plates are arranged on the positioning assembly and/or the push plate assembly. The fixing through the reinforcing plate can stabilize positioning baffle and push plate more, avoid the loose situation that appears because connect unstable between the positioning baffle, guaranteed the long-term stable use of this anchor clamps.

Preferably, the reinforcing plate is disposed at an outer side of the positioning assembly.

Preferably, the reinforcing plates are symmetrically arranged on two sides of the first positioning baffle and the third positioning baffle. Adopt the symmetry to set up the interact power that can balance between positioning baffle and the battery module, further stabilize the battery module.

More preferably, the reinforcing plate is further provided outside the second positioning baffle.

Preferably, the area of the lower portion of the reinforcing plate is larger than the area of the upper portion. The gusset plate of this anchor clamps adopts big-end-up's setting down, can stabilize the chassis on the one hand, and the setting of this kind of similar "oblique triangle" of on the other hand has given an inside power of positioning baffle in other words, all can bear one to the inside extruded power of battery module promptly all around being equivalent to battery module, and the battery module is further stabilized to help positioning baffle.

Preferably, the left side and the right side of the second push plate are also provided with the reinforcing plates. Likewise, the reinforcement plate on the second pusher plate may maintain the second pusher plate stable to support movement of the first pusher plate.

Preferably, the clamp further comprises a support plate, and the positioning assembly is arranged on the support plate. The length of the supporting plate can accommodate the positioning assembly and the pushing plate assembly, so that the first pushing plate can complete the reinforcement of the battery module on the supporting plate.

Preferably, the support plate is further provided with a buckle for fixing the second push plate. The second push pedal can be stabilized in the setting of buckle to stabilize the removal of first push pedal, adopt this kind of setting of buckle to make things convenient for the dismantlement of push pedal subassembly simultaneously, the push pedal subassembly need not bind together with the backup pad.

The beneficial effects of the utility model reside in that:

1) a fixture for assisting in welding a battery module comprises a positioning assembly and a push plate assembly, wherein the positioning assembly comprises a first positioning baffle, a second positioning baffle and a third positioning baffle, and the first positioning baffle is connected with the third positioning baffle through the second positioning baffle to form a notch matched with the battery module; the push plate assembly comprises a first push plate and a push rod connected with the first push plate, and the first positioning baffle, the second positioning baffle, the third positioning baffle and the first push plate are the same in height. Compared with the prior art, the utility model discloses the breach that utilizes first, second, third locating component to form earlier is tentatively stable with battery module, then seals an opening of breach department through the first push pedal in the push pedal subassembly for the stability of battery module has been guaranteed to the encirclement all around, and then in the welded, utmost point ear can closely laminate with the busbar, in order to guarantee welded yield.

2) The utility model discloses simple structure not only can use for a long time stably, has guaranteed the stability of battery module welding utmost point ear in-process moreover, is applicable to the mass production of industrialization.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the operation of the present invention.

Fig. 3 is a schematic view illustrating a stable state of the battery module.

In the figure: 1-a positioning assembly; 11-a first positioning baffle; 12-a second positioning baffle; 13-a third positioning baffle; 2-a push plate assembly; 21-a first push plate; 22-a second push plate; 221-a first linear bearing; 222-a second linear bearing; 23-a push rod; 24-a guide bar; 25-a handle; 3-a support plate; 4-reinforcing plate.

Detailed Description

In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantageous effects will be described in further detail below with reference to the accompanying drawings of the detailed description and the specification, but the present invention is not limited thereto.

As shown in fig. 1 to 3, a fixture for assisting in welding a battery module comprises a positioning component 1, a push plate component 2 and a support plate 3 for supporting the positioning component 1, wherein the positioning component 1 is arranged on the support plate 3; the positioning assembly 1 comprises a first positioning baffle 11, a second positioning baffle 12 and a third positioning baffle 13, wherein the first positioning baffle 11 is connected with the third positioning baffle 13 through the second positioning baffle 12 to form a notch matched with the battery module; the push plate assembly 2 comprises a first push plate 21, a push rod 23 and a second push plate 22 which are connected with the first push plate 21, the push rod 23 penetrates through the second push plate 22 to be connected with the first push plate 21, one end, far away from the first push plate 21, of the push rod 23 is further connected with a handle 25, a first linear bearing 221 matched with the push rod 23 is arranged on the second push plate 22, the first push plate 21 can keep linear motion through mutual matching of the linear bearing and the push rod, the linear bearing can adopt a metal linear bearing, and friction between the bearing and the push rod is reduced.

In addition, a plurality of guide rods 24 are movably connected between the second push plate 22 and the first push plate 21, and the guide rods 24 can be symmetrically arranged at the upper part and the lower part of the second push plate 22, and can be also arranged according to specific production; similarly, the second linear bearing 222 matched with the plurality of guide rods 24 is arranged on the second push plate 22 to further stabilize the linear movement of the first push plate 21, and the second linear bearing 222 can also be a metal linear bearing to reduce the friction force between the bearing and the push rod. Further, still be provided with the buckle that is used for fixed second push pedal 22 on the backup pad 3, the removal of first push pedal 21 not only can be stabilized through the setting of buckle, makes things convenient for the dismantlement of push pedal subassembly 2 simultaneously for push pedal subassembly 2 need not bind together with backup pad 3. Of course, the push plate assembly 2 can also be fixedly arranged on the support plate 3, and the second push plate 22 and the support plate 3 can be welded together.

Preferably, the clamp further comprises a plurality of reinforcing plates 4, the reinforcing plates 4 are arranged on the positioning assembly 1 and/or the push plate assembly 2, and the area of the lower part of each reinforcing plate 4 is larger than that of the upper part of each reinforcing plate 4, so that the reinforcing plates can be in a shape of an inclined triangle. Wherein, a part of the reinforcing plate 4 is arranged outside the positioning assembly 1, the reinforcing plate 4 can be preferably symmetrically arranged at two sides of the first positioning baffle plate 11 and the third positioning baffle plate 13, and the reinforcing plate 4 is also arranged outside the second positioning baffle plate 12; another part of the reinforcing plates 4 is provided on both left and right sides of the second push plate 22. The number of reinforcing plates 4 may be set according to the specific production application. Can stabilize more fixed position subassembly 1 through setting up of gusset plate 4, avoided between the locating baffle owing to connect the loose situation that unstable and appear, guaranteed the long-term stable use of this anchor clamps, the gusset plate of "triangle to one side" simultaneously has given an inside power of locating baffle in other words, all can bear one to the inside extruded power of battery module promptly all around being equivalent to battery module, help locating component 1 further stabilizes battery module.

The use method of the clamp for assisting in welding the battery module comprises the following steps: firstly, manually putting the module into the positioning component 1, then placing the push plate component 2 close to the battery module or clamping the second push plate 22 on the supporting plate 3, driving the first push plate 21 to approach the battery module by rotating the handle 25, and finally stopping rotating the handle 25 after pressing the first push plate 21 in place to finish the welding and fixing of the battery module.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

In addition, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Claims

1. The fixture for assisting the welding of the battery module is characterized by comprising a positioning assembly and a push plate assembly, wherein the positioning assembly comprises a first positioning baffle, a second positioning baffle and a third positioning baffle, and the first positioning baffle is connected with the third positioning baffle through the second positioning baffle to form a notch matched with the battery module; the push plate assembly comprises a first push plate and a push rod connected with the first push plate, and the first positioning baffle, the second positioning baffle, the third positioning baffle and the first push plate are the same in height.

2. The jig for assisting in welding of a battery module according to claim 1, wherein the push plate assembly further comprises a second push plate, and the push rod passes through the second push plate to be connected to the first push plate.

3. The jig for assisting in welding the battery module according to claim 2, wherein the second pushing plate is provided with a first linear bearing matched with the pushing rod.

4. The jig for assisting in welding the battery module according to claim 2, wherein a handle is further connected to an end of the push rod away from the first push plate.

5. The auxiliary battery module welding fixture according to any one of claims 2 to 4, wherein a plurality of guide rods are movably connected between the second push plate and the first push plate.

6. The jig for assisting in welding of a battery module according to claim 5, wherein the second pushing plate is provided with second linear bearings matched with the plurality of guide rods.

7. The jig for assisting in welding of a battery module according to claim 1, further comprising a plurality of reinforcing plates disposed on the positioning assembly and/or the push plate assembly.

8. The jig for assisting in welding of a battery module according to claim 7, wherein the reinforcing plate is provided at an outer side of the positioning assembly.

9. The jig for auxiliary battery module welding according to claim 7 or 8, wherein the area of the lower portion of the reinforcing plate is greater than the area of the upper portion.

10. The jig for assisting in welding of a battery module according to claim 1, further comprising a support plate, wherein the positioning assembly is disposed on the support plate.