CN219852877U

CN219852877U - Welding fixture and welding device

Info

Publication number: CN219852877U
Application number: CN202321024578.1U
Authority: CN
Inventors: 齐超; 赵俊尧; 高攀; 秦力杰
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-20
Anticipated expiration: 2033-04-28

Abstract

The utility model provides a welding tool and a welding device, wherein the welding tool is arranged on the welding device, and the welding device is provided with a liftable welding part; the welding fixture comprises a battery core clamp and a pressing mechanism which are arranged on the welding device, and the pressing mechanism and the battery core clamp are respectively arranged on the upper side and the lower side of the welding part; the pressing mechanism is provided with a pressing part arranged on the welding device and an elastic part arranged between the pressing part and the welding device, wherein the pressing part can move downwards along with the descending of the welding part and elastically press the battery cell placed on the battery cell clamp. According to the welding tool disclosed by the utility model, the electric core in the electric core clamp can be elastically pressed by the pressing part during welding, so that the influence on welding quality caused by shaking of the electric core is avoided, meanwhile, the electric core can be prevented from being fixed by hands of a worker, the potential safety hazard of welding operation can be reduced, the operation safety is improved, the operation efficiency is improved, and the welding tool has good practicability.

Description

Welding fixture and welding device

Technical Field

The utility model relates to the technical field of welding auxiliary devices, in particular to a welding tool, and simultaneously relates to a welding device with the welding tool.

Background

The assembly process in the production of lithium ion batteries involves multiple welding processes, particularly for batteries with soft-pack cells, such as: the tab pre-welding process is used for welding the multi-layer tab together, and the tab final welding process is used for performing ultrasonic welding on the pre-welded battery cell tab, the switching sheet, the protection sheet and the like. However, the welding quality plays a key role in the consistency, safety and other performances of the lithium ion battery.

In the prior art, when the ultrasonic welding operation is implemented, by adopting a manual auxiliary welding operation mode, namely, two hands of an operator serve as a fixing tool to assist the positioning of the battery cell, specifically, when the ultrasonic welding operation is implemented, the operator needs to fix the battery cell by the right hand, so that the battery cell is prevented from shifting during welding. The mode of using the hand-fixed battery to assist welding operation has serious potential safety hazard, increases the risk of operation safety accidents, and also leads to lower working efficiency from the aspect of efficiency by manual operation.

Disclosure of Invention

In view of the above, the present utility model is directed to a welding tool for improving the safety of welding operation and improving the working efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the welding tool is arranged on a welding device, and the welding device is provided with a liftable welding part;

the welding fixture comprises a battery core clamp and a pressing mechanism which are arranged on the welding device, and the pressing mechanism and the battery core clamp are respectively arranged on the upper side and the lower side of the welding part;

the pressing mechanism is provided with a pressing part arranged on the welding device and an elastic part arranged between the pressing part and the welding device, and the pressing part can move downwards along with the descending of the welding part and elastically press the battery cell arranged on the battery cell clamp.

Further, the welding device comprises a welding machine, a lifting mechanism arranged on the welding machine, and the welding part is arranged on the welding machine through the lifting mechanism; the compressing mechanism comprises a mounting seat arranged on the lifting mechanism, the compressing part is arranged on the mounting seat in a vertical sliding manner through the guiding part, and the elastic part is arranged between the compressing part and the mounting seat.

Further, the mounting seat comprises a fixing plate arranged on the lifting mechanism, and a fixing block arranged on the fixing plate and vertically opposite to the battery cell clamp, and the guide part is arranged on the fixing block.

Further, the left and right positions of the fixing blocks are adjustably arranged on the fixing plate; and/or the front and back positions of the fixing plate are adjustably arranged on the lifting mechanism.

Further, the guide part comprises a guide column which is arranged on the fixed block in a vertical sliding way, and the pressing part is arranged at the bottom of the guide column.

Further, the guide posts are a plurality of guide posts which are arranged at intervals; and/or the elastic part comprises a spring sleeved on the guide post, and two ends of the spring are respectively abutted on the pressing part and the fixed block.

Further, the compressing part comprises an upper pressing plate arranged at the bottom of the guiding part and a lower pressing plate arranged below the upper pressing plate and used for propping against the battery cell.

Further, a fixing seat positioned below the welding part is arranged on the welding machine, and the battery core clamp is arranged on the welding machine through the fixing seat.

Furthermore, a plurality of mounting parts which are arranged up and down are arranged on the welding machine, and the fixing seat can be detachably arranged on any one of the mounting parts through the connecting piece; and/or the battery cell clamp can be arranged on the fixing seat in a left-right sliding manner, and a clamping block for clamping and fixing the battery cell clamp is arranged on the fixing seat.

Compared with the prior art, the utility model has the following advantages:

according to the welding tool disclosed by the utility model, the pressing part is arranged along with the welding part, so that the pressing part elastically presses the battery core in the battery core clamp during welding, the influence on the welding quality caused by shaking of the battery core is avoided, meanwhile, the phenomenon that the battery core is fixed by hands of operators is avoided, the potential safety hazard of welding operation can be reduced, the operation safety is improved, the operation efficiency is improved, and the welding tool has a good use effect.

In addition, the setting of mount pad does benefit to the arrangement of compressing tightly portion on elevating system, and sets up the guiding part, does benefit to the stability that realizes compressing tightly portion elastic expansion, simultaneously, utilizes elevating system that welding set self carried to drive compressing tightly portion, reducible frock holistic structure does benefit to reduce cost and lightweight design. The mounting seat is composed of a fixing plate and a fixing block, has simple structure and reasonable arrangement, is beneficial to being assembled on a lifting mechanism and is beneficial to arranging the guide part on the mounting seat.

Secondly, the position is adjustable about the fixed block to and the fixed plate front and back position is adjustable, can make the position of compressing tightly the position for electric core anchor clamps position adjustable, improves frock practicality. Through setting up the guide post, simple structure, and do benefit to the arrangement of compressing tightly the portion. The guide posts are arranged in a plurality of ways, so that the stability of the compression block in moving up and down is improved, the elastic part is sleeved with the springs on the guide posts, the structure is simple, the cost is low, the use stability of the springs can be improved, and the use stability of the compression part is improved.

In addition, through the setting of top board, do benefit to the setting of compressing tightly portion and guiding portion and link to each other, and the setting of holding down plate, the accessible sets up the structural shape that is applicable to the electricity core that compresses tightly with the holding down plate, ensures the effect that compresses tightly of electricity core to avoid the assembly of guiding portion and compressing tightly portion, can not influence the effect that compresses tightly to the electricity core. The setting of fixing base does benefit to the installation and the arrangement of electric core anchor clamps on welding set, and the setting of a plurality of installation department can do benefit to the fixing base and adjust from top to bottom for the welding machine, but the electric core anchor clamps of recombination side-to-side slip can realize electric core anchor clamps for the position adjustment of welding machine.

Another object of the present utility model is to provide a welding device, on which the welding tool as described above is disposed.

Compared with the prior art, the welding device and the welding tool have the same technical effects, and are not repeated herein.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the whole structure of a welding tool according to an embodiment of the present utility model;

fig. 2 is a schematic view of a part of a structure of a welding tool according to an embodiment of the present utility model;

reference numerals illustrate:

1. welding machine; 2. a lifting mechanism; 3. a welding part; 4. a cell clamp; 5. a pressing part; 6. a spring; 7. a mounting base; 8. a guide post; 9. a first bolt; 10. a second bolt; 11. a fixing seat; 12. a connecting piece; 13. a clamping block;

101. a first slide rail;

501. an upper press plate; 502. a lower pressing plate;

701. a fixing plate; 7011. a connecting plate; 7012. a mounting plate; 7013. a slit hole; 7014. a mounting hole; 702. and a fixed block.

Detailed Description

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 noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

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

Example 1

The embodiment relates to a welding tool, which can elastically press a battery cell during welding, so that the battery cell is prevented from shaking to influence welding quality, meanwhile, the battery cell can be prevented from being fixed by hands of workers, and the operation safety and the operation efficiency are improved.

In the overall structure, as shown in fig. 1 to 2, the welding tool of the present embodiment is provided on a welding device. The welding device is provided with a liftable welding part 3, the welding tool comprises a battery core clamp 4 and a pressing mechanism which are arranged on the welding device, and the pressing mechanism and the battery core clamp 4 are respectively arranged on the upper side and the lower side of the welding part 3.

The pressing mechanism is provided with a pressing part 5 arranged on the welding device and an elastic part arranged between the pressing part 5 and the welding device, wherein the pressing part 5 can move downwards along with the descending of the welding part 3 and elastically press the battery cell arranged on the battery cell clamp 4.

Based on the above general description, and in particular, as a preferred exemplary structure, as shown in fig. 1, the welding apparatus includes a welding machine 1, a lifting mechanism 2 provided on the welding machine, and a welding portion 3 provided on the welding machine 1 via the lifting mechanism 2. The compressing mechanism comprises a mounting seat 7 arranged on the lifting mechanism 2, the compressing part 5 is arranged on the mounting seat 7 in a vertical sliding way through a guiding part, and an elastic part is arranged between the compressing part 5 and the mounting seat 7.

Through setting up of mount pad 7, do benefit to the arrangement of compressing tightly portion 5 on elevating system 2, and set up the guiding portion, do benefit to the stability that realizes compressing tightly portion 5 elastic expansion, simultaneously, utilize elevating system 2 that welding set self carried to drive compressing tightly portion 5, reducible frock holistic structure does benefit to reduce cost and lightweight design.

In the present embodiment, "upper" and "lower" refer to the upper and lower sides of the welding machine 1, "front" refer to the side of the welding machine 1 on which the welding portion 3 is provided, "rear" refer to the side of the welding machine 1 away from the welding portion 3, and "left" and "right" refer to the left and right sides of the welding machine 1 with the side having the welding head as the front side.

Meanwhile, in this embodiment, the welding part 3 and the lifting mechanism 2 are both components in the welding device, the welding part 3 is used for implementing a welding operation (i.e. a welding head), and the lifting mechanism 2 is used for driving the welding part 3 to move up and down relative to the welding machine 1.

In this embodiment, as a preferred embodiment, the mounting base 7 includes a fixing plate 701 provided on the lifting mechanism 2, and a fixing block 702 provided on the fixing plate 701 and arranged vertically opposite to the cell fixture 4, and the guide portion is provided on the fixing block 702.

It will be appreciated that the mounting base 7 is formed by the fixing plate 701 and the fixing block 702, and has a simple structure and reasonable arrangement, which is beneficial for the mounting base 7 to be assembled on the lifting mechanism 2 and for the guide part to be arranged on the mounting base 7.

In particular, in this embodiment, the left and right positions of the fixing blocks 702 are adjustably disposed on the fixing plate 701, and the front and rear positions of the fixing plate 701 are adjustably disposed on the lifting mechanism 2, so that the position of the pressing portion 5 can be adjusted relative to the position of the cell fixture 4, and the tool practicality is improved.

With continued reference to fig. 1 and 2, in the specific structure of the fixing plate 701 of the present embodiment, it may preferably include a connection plate 7011 disposed on the lifting mechanism 2 and extending in the front-rear direction, and a mounting plate 7012 disposed at the front end of the connection plate 7011, where the mounting plate 7012 is located at the bottom of the connection plate 7011.

In order to realize the left and right position adjustment of the fixing block 702, more specifically, a plurality of groups of mounting units are arranged on the mounting plate 7012 at intervals along the left and right direction, each group of mounting units comprises a plurality of mounting holes 7014, the fixing block 702 can be connected with the mounting plate 7012 through first bolts 9 penetrating through any group of mounting units, and when the position of the fixing block 702 needs to be adjusted, only the mounting units need to be reselected after the first bolts 9 in each mounting unit are detached.

Meanwhile, in order to realize the adjustable front and rear positions of the fixing plate 701, a long hole 7013 extending and arranged along the front and rear direction can be formed in the connecting plate 7011, a threaded hole is formed in the top of the lifting mechanism 2, the connecting plate 7011 is arranged on the lifting mechanism 2 through a second bolt 10 which passes through the long hole 7013 and is screwed into the threaded hole, when the position of the fixing plate 701 needs to be adjusted, only the second bolt 10 is required to be unscrewed, the connecting plate 7011 is dragged to a proper position along the front and rear direction, and finally the second bolt 10 is screwed.

It should be noted that, the above-mentioned adjusting structure setting mode of the fixing block 702 and the fixing plate 701 of this embodiment not only can realize position adjustment, but also can realize convenient disassembly and assembly of the fixing block 702 on the fixing plate 701, and convenient disassembly and assembly of the fixing plate 701 on the lifting mechanism 2, when the pressing mechanism is not needed, the fixing plate 701 can be disassembled, the fixing plate 701 can be turned over, and the fixing block 702 and the pressing portion 5 are partially placed above the fixing plate 701, thereby the welding operation mode can be switched to the manual auxiliary welding operation mode by the welding tool.

In this embodiment, as a preferred embodiment, referring still to fig. 2, the guide part includes a guide post 8 slidably provided on the fixing block 702 up and down, and the pressing part 5 is provided at the bottom of the guide post 8. And as a preferred embodiment, the guide posts 8 are provided in a plurality of spaced apart form.

Here, through setting up guide post 8, simple structure just does benefit to the arrangement of compressing tightly portion 5, and sets up guide post 8 to a plurality ofly, does benefit to the stability when promoting the compact heap and reciprocates. The number and arrangement of the guide posts 8 can of course be set and adjusted accordingly depending on the actual displacement stability of the pressing part 5, for example, they can be provided in particular as two or three or the like spaced apart in the left-right direction.

Further, as a preferred embodiment, the elastic portion of the present embodiment includes springs 6 sleeved on each guide post 8, and both ends of each spring 6 are respectively abutted against the pressing portion 5 and the fixing block 702. The spring 6 of cover on guide post 8 is adopted to the elasticity portion, not only simple structure, and is with low costs, also can promote the stability in use of spring 6, and then promotes the stability in use of compressing tightly portion 5.

In addition, in this embodiment, as a preferred embodiment, the pressing part 5 includes an upper pressing plate 501 provided at the bottom of the guiding part, and a lower pressing plate 502 provided below the upper pressing plate 501 for pressing against the battery cell.

It can be appreciated that, through the setting of top board 501, do benefit to and compress tightly portion 5 and guide post 8 and the setting of holding down plate 502, the accessible sets up the holding down plate 502 to the structural shape that is applicable to the electricity core that compresses tightly, ensures the effect that compresses tightly of electricity core to avoid the assembly of guide portion and compressing tightly portion 5, influence the effect that compresses tightly to the electricity core.

In addition, referring still to fig. 1, in this embodiment, as a preferred embodiment, a fixing base 11 is provided on the welding machine 1 below the welding portion 3, and the cell fixture 4 is provided on the welding machine 1 through the fixing base 11. Here, the setting of fixing base 11 is favorable to the installation and the arrangement of electric core anchor clamps 4 on welding set.

In specific implementation, as a preferred implementation manner, the welding machine 1 of the embodiment is provided with a plurality of mounting portions arranged up and down, and the fixing base 11 can be detachably arranged on any one of the mounting portions through the connecting piece 12, so that the fixing base 11 can be adjusted up and down relative to the welding machine 1.

In a specific structure, the mounting portion may be preferably provided with a plurality of assembly holes, and the connecting piece 12 may be made of a common bolt, so that the fixing seat 11 may be conveniently assembled and disassembled.

In addition, in order to be suitable for the welding operation of the battery cells of different types, in this embodiment, as a preferred exemplary structure, the battery cell fixture 4 is slidably disposed on the fixing base 11 in a left-right direction, and the clamping block 13 for clamping and fixing the battery cell fixture 4 is disposed on the fixing base 11.

Here, the left and right sliding of electric core anchor clamps 4 sets up, combines electric core anchor clamps 4 can be along with fixing base 11 upper and lower position control, can realize electric core anchor clamps 4 for the position control of welding machine 1, and the position adjustable setting of portion 5 is pressed in the combination again, and applicable in the welding operation of the electric core of more models promotes the application scope of this welding frock, also the practicality.

Moreover, in order to facilitate the adjustment of the vertical position of the fixing base 11, it may be preferable to provide the first slide rail 101 extending in the vertical direction on the welding to improve the sliding stability thereof, and similarly, in order to facilitate the left-right sliding of the cell fixture 4 on the fixing base 11, it may be preferable to provide the second slide rail extending in the left-right direction on the fixing base 11, and the clamping block 13 may be specifically provided at the front end of the fixing base 11, and the clamping block 13 may be provided to be fastened on the fixing base 11 by a bolt, while clamping the cell fixture 4 in the second slide rail.

The welding frock of this embodiment through setting up the portion that compresses tightly 5 follow-up and the welding portion 3, can make the portion that compresses tightly 5 elasticity compress tightly the electric core in the electric core anchor clamps 4 when the welding, avoids electric core to rock and influences welding quality, also can avoid using staff's hand to fix electric core simultaneously to can eliminate the potential safety hazard that causes the injury to the person when welding operation, promote the operation security, and improve the operating efficiency.

Example two

The embodiment relates to a welding device, and the welding device is provided with the welding tool in the first embodiment.

The welding device of this embodiment can avoid using staff's hand to fix the electric core, effectively reduces welding operation potential safety hazard, does benefit to the promotion operation security to and improve the operating efficiency, and has better practicality.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. Welding frock locates welding set on, its characterized in that:

the welding device is provided with a welding part which can be lifted;

2. The welding fixture of claim 1, wherein:

the welding device comprises a welding machine, a lifting mechanism arranged on the welding machine, and a welding part arranged on the welding machine through the lifting mechanism;

the compressing mechanism comprises a mounting seat arranged on the lifting mechanism, the compressing part is arranged on the mounting seat in a vertical sliding manner through the guiding part, and the elastic part is arranged between the compressing part and the mounting seat.

3. The welding fixture of claim 2, wherein:

the mounting seat comprises a fixing plate arranged on the lifting mechanism, and a fixing block arranged on the fixing plate and opposite to the battery cell clamp from top to bottom, and the guide part is arranged on the fixing block.

4. A welding fixture as claimed in claim 3, wherein:

the left and right positions of the fixing blocks are adjustably arranged on the fixing plate; and/or the front and back positions of the fixing plate are adjustably arranged on the lifting mechanism.

5. A welding fixture as claimed in claim 3, wherein:

the guide part comprises a guide column which is arranged on the fixed block in a vertical sliding way, and the pressing part is arranged at the bottom of the guide column.

6. The welding fixture of claim 5, wherein:

the guide posts are arranged at intervals; and/or the elastic part comprises a spring sleeved on the guide post, and two ends of the spring are respectively abutted on the pressing part and the fixed block.

7. The welding fixture of claim 2, wherein:

the compressing part comprises an upper pressing plate arranged at the bottom of the guiding part and a lower pressing plate arranged below the upper pressing plate and used for propping the battery cell.

8. The welding fixture of any one of claims 2 to 7, wherein:

the welding machine is provided with a fixing seat positioned below the welding part, and the battery core clamp is arranged on the welding machine through the fixing seat.

9. The welding fixture of claim 8, wherein:

the welding machine is provided with a plurality of mounting parts which are arranged up and down, and the fixing seat can be detachably arranged on any mounting part through a connecting piece; and/or the number of the groups of groups,

the battery cell clamp can be arranged on the fixing seat in a left-right sliding manner, and a clamping block used for clamping and fixing the battery cell clamp is arranged on the fixing seat.

10. A welding device, characterized in that:

the welding device is provided with the welding tool as claimed in any one of claims 1 to 9.