CN217493107U

CN217493107U - Laser welding fixture for copper bar connecting piece of battery module

Info

Publication number: CN217493107U
Application number: CN202220235211.3U
Authority: CN
Inventors: 罗明琴; 胡小平; 罗明德
Original assignee: Suzhou Songchang Electronic Technology Co ltd
Current assignee: Suzhou Songchang Electronic Technology Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-09-27
Anticipated expiration: 2032-01-28

Abstract

The utility model belongs to the technical field of welding jig, a laser welding jig of battery module copper bar connecting piece is disclosed, including the main part frame, the inboard middle part of main part frame is equipped with the fixed block, the one end of fixed block and the inner wall fixed connection of main part frame side, and the inner chamber of fixed block has seted up logical groove, the bottom that leads to the groove is equipped with the first draw-in groove of five groups, the bottom of fixed block is all seted up to the first draw-in groove of five groups, and the top of the first draw-in groove of five groups is equipped with the locating plate jointly, the locating plate is located the inboard that leads to the groove, the central fixedly connected with stand at locating plate top, the stand runs through the inner chamber on fixed block top and cup joints with the inner chamber activity on fixed block top. Through the arranged main body frame, the main body bearing effect on the structure arranged on the inner side of the main body frame is facilitated, and meanwhile, the arranged fixing block and the arranged through groove are utilized, the main copper sheet of the copper bar tool is matched with the arranged first clamping groove under the effect of the placing space of the main copper sheet, and the good pre-positioning and arranging work on the main copper sheet is achieved.

Description

Laser welding fixture for copper bar connecting piece of battery module

Technical Field

The application relates to the technical field of welding jigs, more specifically says, relates to a laser welding jig of battery module copper bar connecting piece.

Background

Limited by the current battery manufacturing technology level, the single lithium battery can not meet the practical application in the field of electric vehicles in performance, the lithium batteries are generally combined in series or in parallel to meet the requirements of high-power and high-energy power sources, copper bar conductors are needed when different single batteries are connected, and the copper bar conductors become one of the most commonly used electric connection structures among battery modules due to the advantages of easiness in processing, high current-carrying capacity, convenience in installation and the like.

In prior art, including the triplex usually to the used copper bar subassembly of battery module, be for two copper inserted sheets that set up side by side and with two copper inserted sheet fixed connection's main copper sheet promptly, and need carry out the welding frock when assembling main copper sheet and two copper inserted sheets, however rely on artifical cooperation to carry out the frock usually among the current weldment work, when being difficult to realize carrying out effective clamping effect to the copper bar, be difficult to realize automatic laser welding frock effect, and reduce the efficiency of whole welding frock.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the application provides a laser welding fixture of battery module copper bar connecting piece.

The technical scheme provided by the application is as follows:

a laser welding fixture for a battery module copper bar connecting piece comprises a main body frame, wherein a fixing block is arranged in the middle of the inner side of the main body frame, one end of the fixing block is fixedly connected with the inner wall of one side edge of the main body frame, a through groove is formed in the inner cavity of the fixing block, five groups of first clamping grooves are formed in the bottom of the through groove, a positioning plate is jointly arranged above the five groups of first clamping grooves and is positioned on the inner side of the through groove, a stand column is fixedly connected to the center of the top of the positioning plate, penetrates through the inner cavity at the top end of the fixing block and is movably sleeved with the inner cavity at the top end of the fixing block, a connecting piece is fixedly connected to the top of the stand column and is positioned above the fixing block, a spring is fixedly connected to the bottom of the connecting piece and is positioned on the outer side of the top of the stand column, and the bottom of the spring is fixedly connected to the top of the fixing block, the one end inner chamber that the fixed block deviates from main part frame one side inner wall has seted up the wearing and establishing groove, the side of fixed block is equipped with complementary unit.

Through the technical scheme, the positioning and clamping work of the main copper sheet on the copper bar assembly is realized by utilizing the fixed block and the structure arranged on the inner side of the fixed block.

Further, auxiliary mechanism is equipped with two sets ofly, and is two sets of auxiliary mechanism all is located the inboard of main part frame, and two sets of auxiliary mechanism are the symmetry setting at the both sides limit of fixed block, auxiliary mechanism includes the movable block, five second draw-in grooves of group, five groups have been seted up towards the one end inner chamber of fixed block to the movable block the second draw-in groove is even and corresponds the distribution with five first draw-in grooves of group one by one level, the movable block deviates from the one end fixedly connected with cylinder of fixed block, the non-drive end of cylinder cup joints with the inner chamber of main part frame side is fixed.

Through the technical scheme, the arrangement of the through plug-in unit on the copper bar component and the butt joint effect on the main copper sheet are realized by utilizing the two groups of auxiliary mechanisms.

Further, a side edge of the main body frame, which is far away from the fixing block, is provided with a motor, the motor is located outside the fixing block, a driving end of the motor is connected with a rotating shaft, and one end of the rotating shaft, which deviates from the motor, is fixedly connected with the center of the outer wall of one side of the main body frame.

Through the technical scheme, the main body frame and the structure arranged on the inner side of the main body frame are turned over by the aid of the arranged motor and the rotating shaft.

Furthermore, a supporting arm is movably sleeved on the outer wall of the rotating shaft, the supporting arm is of a prism-shaped cylinder structure, a reinforcing arm is fixedly installed on one side wall of the top end of the supporting arm, and the top end of the reinforcing arm is fixedly connected with the bottom of the motor shell.

Through the technical scheme, the supporting arm is utilized, and the effect of bearing the motor, the rotating shaft and the main body frame integrally is achieved.

Furthermore, the bottom of the supporting arm is fixedly connected with a bottom plate, the bottom plate is positioned below one side of the main body frame, and mounting holes are formed in inner cavities at four corners of the bottom plate.

Through the technical scheme, the whole structure is supported by the base plate and the mounting hole, and the laser welding equipment can be conveniently and integrally fixed and mounted on the bearing platform.

Furthermore, the main body frame is a U-shaped frame plate structure, and the half of the transverse length of the main body frame is smaller than the distance from the bottom of the main body frame to the top of the bottom plate.

Through the technical scheme, the integral overturning benefit of the main body frame can be effectively realized by limiting the distance between the main body frame and the bottom plate.

To sum up, the application comprises the following beneficial technical effects:

the main body frame is beneficial to carrying out main body bearing action on the structure arranged at the inner side of the main body frame, the fixing block and the through groove are utilized to realize the good pre-positioning and arranging work of the main copper sheet under the action of the main copper sheet arranging space of the copper bar tool by matching with the first clamping groove, and the main copper sheet is convenient to be arranged at the inner side of the through groove and plays a role in positioning and clamping the main copper sheet under the combined action of the positioning plate, the upright post, the connecting sheet, the spring and the through groove, through the two sets of auxiliary mechanisms, the movable block and the second clamping groove arranged in the auxiliary mechanisms can be utilized to perform pre-positioning clamping connection on the copper inserting sheet and simultaneously cooperate with the arranged air cylinder to realize the effect of attaching the copper inserting sheet to the main copper sheet, thereby utilize under holistic interact, realize the good centre gripping location and the supplementary welding work of copper bar subassembly welding frock.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

fig. 2 is a schematic view of the inner side structure of the fixing block of the present application;

fig. 3 is a schematic structural view of one side of the outer end of the main body frame.

The reference numbers in the figures illustrate:

1. a main body frame; 2. a fixed block; 3. a through groove; 4. a first card slot; 5. positioning a plate; 6. a column; 7. connecting sheets; 8. a spring; 9. a groove is arranged in a penetrating way; 10. an auxiliary mechanism; 11. a movable block; 12. a second card slot; 13. a cylinder; 14. a motor; 15. a rotating shaft; 16. a support arm; 17. a reinforcing arm; 18. a base plate; 19. and (7) installing holes.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example (b):

the present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a laser welding fixture for a copper bar connecting piece of a battery module, please refer to fig. 1 and 2, which comprises a main body frame 1, wherein a fixed block 2 is arranged at the middle part of the inner side of the main body frame 1, one end of the fixed block 2 is fixedly connected with the inner wall of one side edge of the main body frame 1, a through groove 3 is arranged in the inner cavity of the fixed block 2, five groups of first clamping grooves 4 are arranged at the bottom end of the through groove 3, five groups of first clamping grooves 4 are all arranged at the bottom end of the fixed block 2, a positioning plate 5 is jointly arranged above the five groups of first clamping grooves 4, the positioning plate 5 is positioned at the inner side of the through groove 3, a vertical column 6 is fixedly connected at the center of the top of the positioning plate 5, the vertical column 6 penetrates through the inner cavity at the top end of the fixed block 2 and is movably sleeved with the inner cavity at the top end of the fixed block 2, a connecting piece 7 is positioned above the fixed block 2, and a spring 8 is fixedly connected at the bottom of the connecting piece 7, the spring 8 is positioned at the outer side of the top end of the upright post 6, the bottom of the spring 8 is fixedly connected with the top of the fixed block 2, a through groove 9 is arranged in an inner cavity at one end of the inner wall of the fixed block 2, which is far away from one side of the main body frame 1, through the through groove 9 arranged at one side end of the fixed block 2, one side end of the through groove 3 is communicated with the outer part of one side of the fixed block 2 through the through groove 9, and simultaneously, the main copper sheet in each group of first clamping grooves 4 is convenient to pass through and place, thereby effectively preventing the problem that the main copper sheet is difficult to place in the first clamping grooves 4 when the length of the main copper sheet is longer, the side edge of the fixed block 2 is provided with two groups of auxiliary mechanisms 10, the two groups of auxiliary mechanisms 10 are arranged at the inner side of the main body frame 1, the two groups of auxiliary mechanisms 10 are symmetrically arranged at the two side edges of the fixed block 2, the auxiliary mechanisms 10 comprise movable blocks 11, and one end inner cavity of the movable block 11, which faces the fixed block 2, is provided with five groups of second clamping grooves 12, five second draw-in grooves 12 of group are the even and corresponding distribution of one-to-one level with five first draw-in grooves 4 of group, movable block 11 deviates from one end fixedly connected with cylinder 13 of fixed block 2, cylinder 13's non-drive end cup joints with the inner chamber of 1 side of main part frame is fixed, through the cylinder 13 that sets up, be favorable to accepting and driving the displacement to the inside joint copper inserted sheet of movable block 11 and second draw-in groove 12 in, realize that the copper inserted sheet is effectively to the effect that main copper sheet side is close to and the contact, and under the effective work that resets of cylinder 13, when the work piece effectively breaks away from second draw-in groove 12 is accomplished in the copper bar equipment of being convenient for, be convenient for whole anchor clamps benefit of unloading to the portability of copper bar material.

Referring to fig. 1 and 3, a motor 14 is disposed on a side of the main body frame 1 away from the fixed block 2, the motor 14 is disposed on an outer side of the fixed block 2, a driving end of the motor 14 is connected to a rotating shaft 15, one end of the rotating shaft 15 away from the motor 14 is fixedly connected to a center of an outer wall of one side of the main body frame 1, a supporting arm 16 is movably sleeved on an outer wall of the rotating shaft 15, the supporting arm 16 is in a prism-shaped cylinder structure, a reinforcing arm 17 is fixedly mounted on a side wall of a top end of the supporting arm 16, a top end of the reinforcing arm 17 is fixedly connected to a bottom of a housing of the motor 14, the supporting arm 16 is disposed to facilitate supporting the motor 15 and simultaneously play a good indirect supporting effect on the motor 14 and the main body frame 1 as a whole, and the normal rotation of the rotating shaft 15 is not hindered by the movable sleeving between an inner cavity of the top end of the supporting arm 16 and the outer wall of the rotating shaft 15, and the reinforcing arm 17 is disposed, the support arm 16 and the shell of the motor 14 can be fixedly connected, and simultaneously, the auxiliary positioning effect of the motor 14 is achieved, thereby preventing the problem of reverse rotation acting force under the rotation action of the motor 14 driving the rotating shaft 15, the bottom of the supporting arm 16 is fixedly connected with a bottom plate 18, the bottom plate 18 is positioned below one side of the main body frame 1, and the inner cavities at the four corners of the bottom plate 18 are all provided with mounting holes 19, the main body frame 1 is in a U-shaped frame plate body structure, half of the transverse length of the main body frame 1 is smaller than the distance from the bottom of the main body frame 1 to the top of the bottom plate 18, by limiting the distance between the bottom of the main body frame 1 and the bottom plate 18 by half the transverse length, when the motor 14 and the rotating shaft 15 drive the main body frame 1 to integrally rotate, the whole main body frame 1 can be effectively turned over, and the side end of the main body frame 1 is prevented from colliding with the top of the bottom plate 18.

The implementation principle of the laser welding fixture of the battery module copper bar connecting piece is as follows: when the copper plate fixing device is used, the whole body is arranged on a bearing plane of a laser welding device while being in a complete assembly state, the mounting holes 19 and external parts are utilized to fix the base plate 18 and the whole structure on the bearing plane, the connecting sheet 7 is pulled to enable the stand column 6 to drive the positioning plate 5 to move upwards, the positioning plate 5 is enabled to move to one side edge of the top of the through groove 9, the springs 8 generate compression deformation work at the moment, the main copper sheets formed by copper bar connection are arranged on the inner side of the through groove 3 through the through groove 9, the main copper sheets are clamped in the first clamping groove 4 one by one, the positioning plate 5 is enabled to carry out laminating and clamping work on the top of each main copper sheet by utilizing the resetting function of the springs 8 while the connecting sheet 7 is loosened, so that the positioning function of each main copper sheet is realized, and then the copper inserting sheets are clamped on the inner walls of the second clamping grooves 12 on two sides one by one, realize the pre-positioning work to the copper inserted sheet, then make when two sets of cylinders 13 synchronous feed, indirectly make both sides copper inserted sheet and every group main copper sheet's both ends contact, when controlling outside laser welding setting, realize the laser welding work to the copper bar subassembly, and make the laser welding position keep away from main part frame 1 after a round welding is accomplished in, starter motor 14 drive pivot 15 rotates one hundred eighty degrees, thereby indirectly make main part frame 1 and its inboard structure and copper bar subassembly can overturn when, carry out the laser welding work of copper bar subassembly junction bottom once more, and accomplish holistic welding frock with this.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a laser welding anchor clamps of battery module copper bar connecting piece, includes main part frame (1), its characterized in that: the middle part of the inner side of the main body frame (1) is provided with a fixed block (2), one end of the fixed block (2) is fixedly connected with the inner wall of one side edge of the main body frame (1), the inner cavity of the fixed block (2) is provided with a through groove (3), the bottom of the through groove (3) is provided with five groups of first clamping grooves (4), the five groups of first clamping grooves (4) are all arranged at the bottom end of the fixed block (2), a positioning plate (5) is jointly arranged above the five groups of first clamping grooves (4), the positioning plate (5) is positioned at the inner side of the through groove (3), the center of the top of the positioning plate (5) is fixedly connected with a stand column (6), the stand column (6) penetrates through the inner cavity at the top end of the fixed block (2) and is movably sleeved with the inner cavity at the top end of the fixed block (2), the top of the stand column (6) is fixedly connected with a connecting piece (7), and the connecting piece (7) is positioned above the fixed block (2), and the bottom fixedly connected with spring (8) of connection piece (7), spring (8) are located the outside on stand (6) top, and the bottom of spring (8) and the top fixed connection of fixed block (2), wear to establish groove (9) have been seted up to the one end inner chamber that fixed block (2) deviate from main part frame (1) one side inner wall, the side of fixed block (2) is equipped with complementary unit (10).

2. The laser welding fixture of battery module copper bar connecting piece of claim 1, characterized in that: auxiliary mechanism (10) are equipped with two sets ofly, and are two sets of auxiliary mechanism (10) all are located the inboard of main part frame (1), and two sets of auxiliary mechanism (10) are the symmetry setting on the both sides limit of fixed block (2), auxiliary mechanism (10) are including movable block (11), five second draw-in grooves of group (12) have been seted up towards the one end inner chamber of fixed block (2) to movable block (11), five groups second draw-in groove (12) are the even and corresponding distribution of one-to-one level with five first draw-in grooves (4), movable block (11) deviate from one end fixedly connected with cylinder (13) of fixed block (2), the non-drive end of cylinder (13) cup joints with the inner chamber of main part frame (1) side is fixed.

3. The laser welding fixture of battery module copper bar connecting piece of claim 1, characterized in that: the utility model discloses a motor (14) is arranged on the side of main part frame (1) keeping away from fixed block (2), motor (14) are located the outside of fixed block (2), and the drive end of motor (14) is connected with pivot (15), pivot (15) deviate from the one end of motor (14) and the outer wall center fixed connection of main part frame (1) one side.

4. The laser welding fixture for the copper bar connecting piece of the battery module as set forth in claim 3, wherein: the outer wall of the rotating shaft (15) is movably sleeved with a supporting arm (16), the supporting arm (16) is of a prism-shaped cylinder structure, a reinforcing arm (17) is fixedly installed on one side wall of the top end of the supporting arm (16), and the top end of the reinforcing arm (17) is fixedly connected with the bottom of a shell of the motor (14).

5. The laser welding fixture of battery module copper bar connecting piece of claim 4, characterized in that: the bottom of the supporting arm (16) is fixedly connected with a bottom plate (18), the bottom plate (18) is located below one side of the main body frame (1), and mounting holes (19) are formed in inner cavities at four corners of the bottom plate (18).

6. The laser welding fixture of battery module copper bar connecting piece of claim 5, characterized in that: the main body frame (1) is a U-shaped frame plate body structure, and the half of the transverse length of the main body frame (1) is smaller than the distance from the bottom of the main body frame (1) to the top of the bottom plate (18).