CN220533316U

CN220533316U - Battery pack spot welding fixture

Info

Publication number: CN220533316U
Application number: CN202322005048.9U
Authority: CN
Inventors: 渠慎程; 王健余
Original assignee: Jiangsu Chuangneng New Energy Technology Co ltd
Current assignee: Jiangsu Chuangneng New Energy Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-02-27
Anticipated expiration: 2033-07-28

Abstract

The utility model provides a battery pack spot welding fixture, and relates to the technical field of welding. The battery pack spot welding fixture comprises a bottom plate, wherein a placing plate is fixedly connected to the top of the bottom plate, a groove is formed in the placing plate, a first spring is fixedly connected to the top of the first spring, a movable plate is fixedly connected to one side of the first spring, a clamping plate is arranged at the top of the movable plate, a connecting frame is fixedly connected to the outer wall of the clamping plate, a threaded rod is fixedly connected to one side of the connecting frame, a knob is fixedly connected to one side of the threaded rod, the inner placing groove is expanded to be used for batteries of different types through stretching the first spring, the clamp template is not required to be replaced, the production cost is reduced, the connecting frame is driven to move back and forth through the threaded rod, the clamping plate is attached to or separated from the placing plate, the batteries of different types can be tightly connected with the clamping plate and the placing plate, errors are reduced, the spot welding effect is guaranteed, the production yield is improved, the use value of the device is increased, and the convenience of the device is improved.

Description

Battery pack spot welding fixture

Technical Field

The utility model relates to a clamp, in particular to a battery pack spot welding clamp, and belongs to the technical field of welding.

Background

The battery pack refers to a series and parallel battery pack, each of which is required to have the same voltage, the output voltage is equal to the voltage of one battery, the parallel battery pack can supply a stronger current, and the battery cells are connected through the electrodes by spot welding.

Chinese patent application No. 201620688266.4 proposes a novel and simple spot welding fixture for battery packs. The battery box comprises an upper clamping piece and a lower clamping piece, wherein the upper clamping piece and the lower clamping piece are mutually connected through corresponding positioning devices, a limiting concave part corresponding to a corresponding battery box is arranged on the wall surface of the upper clamping piece or the lower clamping piece, a battery core limiting groove and a corresponding connecting piece limiting groove are arranged on the limiting concave part, and corresponding spot welding holes are respectively arranged on the upper clamping piece and the lower clamping piece corresponding to the corresponding battery core limiting grooves.

The applicant finds when implementing above-mentioned scheme that the device inside anchor clamps usage space can not be adjusted, and the battery model on the market is numerous, to each section battery all need the anchor clamps template of the different models of cutting, increases manufacturing cost, increases work load, reduces work efficiency, and the anchor clamps template is inside can also cause spot welding insecure with battery model size error, and the defective products rate is high, reduces the use value of device.

There are other prior art techniques such as:

202121652889.3, a battery module spot welding fixture;

202122476698.2, a battery pack spot welding fixture structure; these and other prior art techniques also present certain problems in use.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to solve the problems and provide a battery pack spot welding clamp which solves the problems that in the prior art, the using space inside a clamp template is not adjustable, the limitation of a device is enlarged, and the working efficiency is reduced.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a group battery spot welding anchor clamps, includes the bottom plate, the top fixedly connected with of bottom plate lays the board, the inside of laying the board is seted up flutedly and fixedly connected with spring one, one side fixedly connected with fly leaf of spring one, the top of fly leaf is provided with splint, the outer wall fixedly connected with link of splint, one side fixedly connected with threaded rod of link, one side fixedly connected with knob of threaded rod places the battery in the fly leaf and lays the standing groove between the board, and preliminary location is fixed to it, through the tensile to spring one, connects the fly leaf and removes, makes inside standing groove enlarge the usage space, hoisting device's adaptation degree, reinforcing means's flexibility to be applicable to different models's battery, hoisting device's practicality need not to change anchor clamps template according to the battery model, alleviates manufacturing cost, reduces work load, improves work efficiency, through rotating the knob simultaneously, makes the drive link back and forth movement, lets threaded rod and lays the board laminating or separate mutually, makes its fixed battery's position, lets the battery of difference all can realize tightly being connected with splint and lays the error guarantee, the improvement effect, the improvement device's of the improvement of the stability, the convenience of the improvement device.

Preferably, a placing groove is formed between the movable plate and the placing plate, the bottom of the movable plate is movably connected with the top of the bottom plate, and the movable plate is provided with two groups which are symmetrically and uniformly distributed.

Preferably, the placing plate, the clamping plate, the connecting frame and the threaded rod are all provided with two groups of symmetrical and uniform distribution, one side of the placing plate, which is close to the clamping plate, is provided with an arc-shaped groove, and the arc-shaped groove is convenient for placing batteries and prevents the batteries from loosening and falling.

Preferably, both sides of splint all fixedly connected with movable block, the inside swing joint of movable block has the dead lever, one side of dead lever is connected with the outer wall of laying the board, and when splint removed, the connection movable block moved along the dead lever back and forth to in order to ensure the equilibrium of device, reinforcing device's stability.

Preferably, the outer wall threaded connection of threaded rod has the fixed plate, one side fixedly connected with curb plate of fixed plate, the bottom of fixed plate and curb plate all is connected with the bottom plate.

Preferably, both sides of bottom plate are all fixedly connected with fixed block, the top fixedly connected with bracing piece of fixed block, the outer wall swing joint of bracing piece has the movable block, the outside threaded connection of bracing piece has the nut, and the movable block drives the holding down plate and reciprocates along the bracing piece, carries out spacing fixed to it through rotating the nut, reinforcing arrangement's steadiness, avoids taking place the landing, brings inconvenience for follow-up work.

Preferably, one side fixedly connected with holding down plate of movable block, spot welding hole and fixedly connected with spring two have been seted up to the inside of holding down plate, one side of spring two is provided with the locating plate, processes the battery through the spot welding hole, passes the spot welding hole according to the battery of different models, drives the locating plate shrink to the extrusion of spring two, enlarges the usage space between two sets of locating plates, strengthens the flexibility of device, further strengthens the fastness of device, increases the functionality of device, strengthens the practical value of device.

The utility model provides a battery pack spot welding fixture, which has the following beneficial effects:

1. according to the utility model, the first spring is stretched, the movable plate is connected to move, so that the use space of the internal placing groove is enlarged, the adaptation degree of the device is improved, the flexibility of the device is enhanced, the device is suitable for batteries of different types, the practicability of the device is improved, the clamp template is not required to be replaced according to the type of the battery, the production cost is reduced, the workload is reduced, and the working efficiency is improved.

2. According to the utility model, the knob is rotated to enable the threaded rod to drive the connecting frame to move back and forth, so that the clamping plate is attached to or separated from the placing plate, the positions of the batteries are fixed, the batteries with different types can be tightly connected with the clamping plate and the placing plate, errors are reduced, the spot welding effect is ensured, the production yield is improved, the use value of the device is enhanced, the stability of the device is enhanced, the functionality of the device is increased, and the convenience of the device is improved.

Drawings

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

FIG. 2 is a cross-sectional view of the mounting plate assembly of the present utility model;

FIG. 3 is a schematic view of the structure of the clamping plate component of the present utility model;

FIG. 4 is a cross-sectional view of the locating plate assembly of the present utility model.

[ Main reference numerals Specification ]

1. A bottom plate; 2. a placement plate; 3. a first spring; 4. a movable plate; 5. a clamping plate; 6. a connecting frame; 7. a threaded rod; 8. a knob; 9. a movable block; 10. a fixed rod; 11. a fixing plate; 12. a side plate; 13. a fixed block; 14. a support rod; 15. a moving block; 16. a lower pressing plate; 17. a second spring; 18. and (5) positioning the plate.

Detailed Description

The embodiment of the utility model provides a battery pack spot welding fixture.

Referring to fig. 1, 2 and 3, a spot welding fixture for a battery pack comprises a bottom plate 1, a mounting plate 2 is fixedly connected to the top of the bottom plate 1, a groove is formed in the mounting plate 2 and fixedly connected with a first spring 3, one side of the first spring 3 is fixedly connected with a movable plate 4, a clamping plate 5 is arranged on the top of the movable plate 4, a connecting frame 6 is fixedly connected to the outer wall of the clamping plate 5, a threaded rod 7 is fixedly connected to one side of the connecting frame 6, a knob 8 is fixedly connected to one side of the threaded rod 7, a battery is placed in a mounting groove between the movable plate 4 and the mounting plate 2, preliminary positioning and fixing are performed on the battery, the movable plate 4 is connected to move through stretching the first spring 3, the use space of the internal mounting groove is enlarged, meanwhile, the threaded rod 7 drives the connecting frame 6 to move forwards and backwards through rotating the knob 8, so that the clamping plate 5 is attached to or separated from the mounting plate 2, the position of the battery is fixed, the batteries with different models can be tightly connected with the clamping plate 5 and the placing plate 2, the placing grooves are formed between the movable plate 4 and the placing plate 2, the bottom of the movable plate 4 is movably connected with the top of the bottom plate 1, the movable plate 4 is provided with two groups of symmetrical and uniform distribution, the placing plate 2, the clamping plate 5, the connecting frame 6 and the threaded rod 7 are provided with two groups of symmetrical and uniform distribution, one side of the placing plate 2 close to the clamping plate 5 is provided with an arc groove, the arc groove is convenient for placing the battery, loosening and falling are prevented, two sides of the clamping plate 5 are fixedly connected with the movable block 9, the inside of the movable block 9 is movably connected with the fixing rod 10, one side of the fixing rod 10 is connected with the outer wall of the placing plate 2, when the clamping plate 5 moves, the connecting movable block 9 moves back and forth along the fixing rod 10 so as to ensure the balance of the device, the stability of the device is enhanced;

the utility model is used when in use: the adaptation degree of the lifting device is improved, the flexibility of the device is enhanced, the device is applicable to batteries of different types, the practicality of the lifting device is improved, the clamp template is not required to be replaced according to the battery type, the production cost is reduced, the workload is reduced, the working efficiency is improved, the error is reduced due to the arrangement of the clamping plate 5, the spot welding effect is guaranteed, the production yield is improved, the use value of the device is enhanced, the stability of the device is enhanced, the functionality of the device is increased, and the convenience of the device is improved.

Referring to fig. 1 and 4 again, the outer wall of the threaded rod 7 is connected with a fixing plate 11 in a threaded manner, one side of the fixing plate 11 is fixedly connected with a side plate 12, bottoms of the fixing plate 11 and the side plate 12 are connected with a bottom plate 1, two sides of the bottom plate 1 are fixedly connected with fixing blocks 13, the top of each fixing block 13 is fixedly connected with a supporting rod 14, the outer wall of each supporting rod 14 is movably connected with a moving block 15, nuts are connected with the outer threads of each supporting rod 14, the moving block 15 drives a lower pressing plate 16 to move up and down along the supporting rods 14, limiting and fixing are carried out on the lower pressing plate through the rotating nuts, one side of each moving block 15 is fixedly connected with a lower pressing plate 16, spot welding holes are formed in the lower pressing plate 16 and are fixedly connected with a second spring 17, one side of the second spring 17 is provided with a positioning plate 18, batteries are processed through the spot welding holes, the second spring 17 is extruded according to different types of batteries passing through the spot welding holes to drive the positioning plate 18 to shrink, and the use space between the two groups of positioning plates 18 is enlarged;

the utility model is used when in use: the stability of the device is enhanced by the arrangement of the outer nut of the supporting rod 14, slipping is avoided, inconvenience is brought to subsequent work, the flexibility of the device is enhanced by the arrangement of the second spring 17, the firmness of the device is further enhanced, the functionality of the device is increased, and the practical value of the device is enhanced.

Working principle:

firstly, a battery is placed in a mounting groove between a movable plate 4 and a mounting plate 2, the battery is initially positioned and fixed, the movable plate 4 is connected to move through stretching of a first spring 3, the use space of the inner mounting groove is enlarged, meanwhile, a threaded rod 7 drives a connecting frame 6 to move back and forth through rotating a knob 8, a connecting clamping plate 5 drives a movable block 9 to move back and forth along a fixed rod 10, the clamping plate 5 is attached to or separated from the mounting plate 2, the battery is fixed, the batteries of different types can be tightly connected with the clamping plate 5 and the mounting plate 2, then a movable block 15 drives a lower pressing plate 16 to move up and down along a supporting rod 14, limiting and fixing are carried out on the battery through rotating nuts, the battery is processed through spot welding holes, the positioning plate 18 is driven to shrink through extrusion of a second spring 17 according to the batteries of different types, and the use space between the two groups of positioning plates 18 is enlarged.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a group battery spot welding anchor clamps, includes bottom plate (1), its characterized in that: the novel connecting device is characterized in that the top of the bottom plate (1) is fixedly connected with the placing plate (2), the inside of the placing plate (2) is provided with a groove and is fixedly connected with a first spring (3), one side of the first spring (3) is fixedly connected with a movable plate (4), the top of the movable plate (4) is provided with a clamping plate (5), the outer wall of the clamping plate (5) is fixedly connected with a connecting frame (6), one side of the connecting frame (6) is fixedly connected with a threaded rod (7), and one side of the threaded rod (7) is fixedly connected with a knob (8).

2. The battery pack spot welding fixture of claim 1, wherein: the movable plate (4) and the placing plate (2) are provided with placing grooves, the bottoms of the movable plate (4) are movably connected with the top of the bottom plate (1), and the movable plate (4) is provided with two groups which are symmetrically and uniformly distributed.

3. The battery pack spot welding fixture of claim 1, wherein: the novel clamping plate is characterized in that the placing plate (2), the clamping plate (5), the connecting frame (6) and the threaded rod (7) are provided with two groups of symmetrical and uniformly distributed, and an arc-shaped groove is formed in one side, close to the clamping plate (5), of the placing plate (2).

4. The battery pack spot welding fixture of claim 1, wherein: the two sides of the clamping plate (5) are fixedly connected with movable blocks (9), the inside of each movable block (9) is movably connected with a fixing rod (10), and one side of each fixing rod (10) is connected with the outer wall of the placing plate (2).

5. The battery pack spot welding fixture of claim 1, wherein: the outer wall threaded connection of threaded rod (7) has fixed plate (11), one side fixedly connected with curb plate (12) of fixed plate (11), the bottom of fixed plate (11) and curb plate (12) all is connected with bottom plate (1).

6. The battery pack spot welding fixture of claim 1, wherein: both sides of bottom plate (1) are all fixedly connected with fixed block (13), the top fixedly connected with bracing piece (14) of fixed block (13), the outer wall swing joint of bracing piece (14) has movable block (15), the outside threaded connection of bracing piece (14) has the nut.

7. The battery pack spot welding fixture of claim 6, wherein: one side of the moving block (15) is fixedly connected with a lower pressing plate (16), a spot welding hole is formed in the lower pressing plate (16) and fixedly connected with a second spring (17), and a positioning plate (18) is arranged on one side of the second spring (17).