CN216607604U

CN216607604U - A block pressure welding device for lithium cell production

Info

Publication number: CN216607604U
Application number: CN202122457474.7U
Authority: CN
Inventors: 赵倩
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-27
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a cap pressure welding device for lithium battery production, which relates to the technical field of lithium battery processing equipment and comprises a base and a workbench, wherein the workbench is fixedly connected to the top end of the base, a supporting plate is fixedly connected to the rear side of the top end of the base, a welding head is arranged at the top of the supporting plate, a fixing mechanism is arranged on the front side of the workbench, the fixing mechanism extends into the workbench, and a purification mechanism is fixedly connected to the bottom end of the side surface of the welding head. According to the utility model, through the mutual matching of the driving handle, the driving wheel, the driven wheel, the threaded rod, the sliding block and the fixing plate, the driving wheel is driven by the handle to rotate, and the threaded rod is driven by the driven wheel to rotate, so that the sliding block drives the fixing plate to fix a workpiece, the problem that the fixing effect of the existing cap pressure welding device on the workpiece is not good is solved, the phenomenon that the workpiece slides in the welding process is avoided, and the processing quality of the lithium battery is ensured.

Description

A block pressure welding device for lithium cell production

Technical Field

The utility model relates to a cap pressure welding device, relates to the technical field of lithium battery processing equipment, and particularly relates to a cap pressure welding device for lithium battery production.

Background

In the process of producing a lithium battery, a cap of the battery needs to be pressure-welded with a lithium battery body, the pressure welding refers to a welding method of applying a certain pressure to a combined weldment in a heating or non-heating state to enable the combined weldment to generate plastic deformation or melting, and enabling atoms on two separated surfaces to form a metal bond to be connected through recrystallization, diffusion and the like, and the cap pressure welding device is usually used for completing the operation.

The following problems exist in the prior art:

1. when a cap of a battery is welded with a lithium battery body, the conventional cap pressure welding device has poor fixing effect on a workpiece, and the sliding of the welded workpiece is easily caused, so that the welding error is caused, and the reworking and scrapping of the product are caused;

2. when the cover cap of the battery is welded with the lithium battery body, harmful gases are easily generated in the welding process, and the harmful gases can pollute the working environment and can injure welding workers after a long time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cap pressure welding device for lithium battery production, which has the advantages that a better fixing effect on a welded workpiece is achieved, and the problem that the fixing effect of the existing cap pressure welding device on the workpiece is not good is solved; the other purpose is to solve the problem that harmful gas generated in the welding process pollutes the working environment so as to achieve the effect of purifying the harmful gas generated in the welding process.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a block pressure welding device for lithium cell production, includes base and workstation, workstation fixed connection is on the top of base, the top rear side fixedly connected with backup pad of base, the top of backup pad is provided with the soldered connection, the front side of workstation is provided with fixed establishment, fixed establishment extends to the inside of workstation, the side bottom fixedly connected with of soldered connection purifies the mechanism.

The fixing mechanism comprises a driving handle, the driving handle is arranged on one side of the workbench, a driving wheel is fixedly connected to the top of the driving handle, a driven wheel is meshed with the side face of the driving wheel, and a threaded rod is fixedly connected to one side of the driven wheel.

The purification mechanism comprises a purification box, the purification box is fixedly connected to the side face of the welding head, and the bottom end of the purification box is fixedly connected with a fan.

The technical scheme of the utility model is further improved as follows: the side swing joint of threaded rod has the sliding block, the top fixedly connected with fixed plate of sliding block.

Adopt above-mentioned technical scheme, thereby the removal through the sliding block on the threaded rod drives the fixed plate and removes mutually supporting between sliding block, the fixed plate in this scheme to fix the processing work piece.

The technical scheme of the utility model is further improved as follows: the fixed plate comprises a plate body, the plate body is fixedly connected to the top end of the sliding block, a rubber pad is fixedly connected to the left side of the plate body, and a radiating net is fixedly connected to the inside of the rubber pad.

By adopting the technical scheme, the plate body, the rubber pad and the radiating net in the scheme are mutually matched, and the phenomenon that the workpiece is scratched by the fixing plate when the workpiece is fixed can be avoided due to the existence of the rubber pad.

The technical scheme of the utility model is further improved as follows: the heat dissipation plate is characterized in that a heat dissipation groove is formed in the plate body, a heat absorption plate is arranged in the heat dissipation groove, and a heat dissipation plate is fixedly connected to the right side of the heat absorption plate.

By adopting the technical scheme, the heat dissipation grooves, the heat absorption plate and the heat dissipation fins in the scheme are matched with one another, so that heat can be dissipated from a processed workpiece, and the processing efficiency of the lithium battery can be improved.

The technical scheme of the utility model is further improved as follows: the top fixedly connected with of fan filters the cotton layer, the top fixedly connected with activated carbon layer on filtering the cotton layer, the top on activated carbon layer is provided with the gas-supply pipe.

By adopting the technical scheme, the filter cotton layer, the activated carbon layer and the gas transmission pipe in the scheme are mutually matched, so that harmful gas in the welding process can be primarily filtered.

The technical scheme of the utility model is further improved as follows: one end of the gas conveying pipe is provided with a filtrate chamber, the left side of the filtrate chamber is fixedly connected with a liquid adding valve, and the top end of the filtrate chamber is provided with an exhaust port.

Adopt above-mentioned technical scheme, mutually supporting between filtrate chamber, gas vent, the filling valve in this scheme, through the filtrate in the filtrate chamber, can filter harmful gas once more to discharge from the gas vent, guarantee gaseous purifying effect.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:

1. the utility model provides a cap pressure welding device for lithium battery production, which is characterized in that a driving handle, a driving wheel, a driven wheel, a threaded rod, a sliding block and a fixing plate are matched with each other, the driving wheel is driven by the handle to rotate, the threaded rod is driven to rotate by the driven wheel, and the sliding block drives the fixing plate to fix a workpiece.

2. The utility model provides a cap pressure welding device for lithium battery production, which is characterized in that through the matching among a fan, a filter cotton layer, an active carbon layer, a gas conveying pipe, a filtrate chamber and an exhaust port, gas is brought into the device by the fan, filtered and purified by the filter cotton layer, the active carbon layer and the filtrate chamber in sequence and discharged from the exhaust port, so that the problem of pollution of harmful gas generated in the welding process to the working environment is solved, the working environment is ensured not to be polluted, and the harm of the harmful gas to a human body is avoided.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the fixing mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of a fixing plate according to the present invention;

fig. 4 is a schematic sectional view of the purification mechanism of the present invention.

In the figure: 1. a base; 11. a support plate; 2. a work table; 3. welding a head; 4. a fixing mechanism; 41. a drive handle; 42. a driving wheel; 43. a driven wheel; 44. a threaded rod; 45. a slider; 46. a fixing plate; 461. a plate body; 462. a rubber pad; 463. a heat-dissipating web; 464. a heat sink; 465. a heat absorbing plate; 466. a heat sink; 5. a purification mechanism; 51. a purification box; 52. a fan; 53. a filter cotton layer; 54. an activated carbon layer; 55. a gas delivery pipe; 56. a filtrate chamber; 57. a charging valve; 58. and (7) an exhaust port.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a cap pressure welding device for lithium battery production, which comprises a base 1 and a workbench 2, wherein the workbench 2 is fixedly connected to the top end of the base 1, a supporting plate 11 is fixedly connected to the rear side of the top end of the base 1, a welding head 3 is arranged at the top of the supporting plate 11, a fixing mechanism 4 is arranged at the front side of the workbench 2, the fixing mechanism 4 extends into the workbench 2, a purifying mechanism 5 is fixedly connected to the bottom end of the side surface of the welding head 3, the fixing mechanism 4 comprises a driving handle 41, the driving handle 41 is arranged at one side of the workbench 2, a driving wheel 42 is fixedly connected to the top of the driving handle 41, a driven wheel 43 is connected to the side surface of the driving wheel 42 in a meshing manner, a threaded rod 44 is fixedly connected to one side of the driven wheel 43, a sliding block 45 is movably connected to the side surface of the threaded rod 44, and a fixing plate 46 is fixedly connected to the top end of the sliding block 45.

In this embodiment, place the work piece that will need to carry out weldment work in workstation 2, thereby make action wheel 42 rotate through rotating drive handle 41, and drive and rotate from driving wheel 43, thereby drive threaded rod 44 rotates, the rotation of threaded rod 44 will make sliding block 45 carry out round trip movement, and drive fixed plate 46 and remove, thereby fix the work piece, rethread welded joint 3 carries out weldment work to the work piece, the harmful gas that the during operation produced can purify through purification mechanism 5, thereby guarantee that operational environment does not receive the pollution.

Example 2

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the fixing plate 46 includes a plate body 461, the plate body 461 is fixedly connected to the top end of the sliding block 45, a rubber pad 462 is fixedly connected to the left side of the plate body 461, a heat dissipation net 463 is fixedly connected to the inside of the rubber pad 462, a heat dissipation groove 464 is formed in the plate body 461, a heat absorption plate 465 is arranged in the heat dissipation groove 464, and a heat dissipation fin 466 is fixedly connected to the right side of the heat absorption plate 465.

In this embodiment, when the workpiece is fixed, the rubber pad 462 on the side of the fixing plate 46 will prevent the fixing plate 46 from scratching the welded workpiece, and after the welding is completed, the heat generated by welding the workpiece can be absorbed along the heat sink 463 through the heat absorbing plate 465 and transmitted to the heat sink 466, so that the heat can be dissipated, and the welding efficiency of the workpiece is improved.

Example 3

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the purification mechanism 5 includes a purification box 51, the purification box 51 is fixedly connected to the side of the welding head 3, the bottom end of the purification box 51 is fixedly connected with a fan 52, the top end of the fan 52 is fixedly connected with a filter cotton layer 53, the top end of the filter cotton layer 53 is fixedly connected with an activated carbon layer 54, the top end of the activated carbon layer 54 is provided with an air pipe 55, one end of the air pipe 55 is provided with a filter liquid chamber 56, the left side of the filter liquid chamber 56 is fixedly connected with a charging valve 57, and the top end of the filter liquid chamber 56 is provided with an exhaust port 58.

In this embodiment, harmful gas generated during operation will enter the interior of the purification box 51 under the driving of the fan 52, and then pass through the primary filtration of the filter cotton layer 53 and the activated carbon layer 54, the gas enters the filtrate chamber 56 along the gas pipe 55, the filtrate in the filtrate chamber 56 can absorb harmful substances in the gas, the purified air is discharged from the exhaust port 58, and the filtrate can be added through the filling valve 57.

The working principle of the cap pressure welding device for lithium battery production is described in detail below.

As shown in fig. 1-4, a workpiece to be welded is placed in the worktable 2, the driving wheel 42 is rotated by rotating the driving handle 41, and the driven wheel 43 is driven to rotate, so that the threaded rod 44 is driven to rotate, the sliding block 45 drives the fixing plate 46 to move, so that the workpiece is fixed, and then the workpiece is welded by the welding joint 3, harmful gas generated during operation enters the purifying box 51 under the driving of the fan 52, and then passes through the primary filtering of the filtering cotton layer 53 and the activated carbon layer 54, the gas enters the filtering liquid chamber 56 along the gas pipe 55, the filtering liquid in the filtering liquid chamber 56 can absorb the harmful substances in the gas, the purified air is discharged from the gas outlet 58, and the working environment is ensured not to be polluted.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, it is possible to modify or improve the optical characteristics of the optical fiber without departing from the spirit of the present invention.

Claims

1. The utility model provides a block pressure welding device for lithium cell production, includes base (1) and workstation (2), workstation (2) fixed connection is on the top of base (1), the top rear side fixedly connected with backup pad (11) of base (1), the top of backup pad (11) is provided with soldered connection (3), its characterized in that: a fixing mechanism (4) is arranged on the front side of the workbench (2), the fixing mechanism (4) extends into the workbench (2), and a purifying mechanism (5) is fixedly connected to the bottom end of the side face of the welding head (3);

the fixing mechanism (4) comprises a driving handle (41), the driving handle (41) is arranged on one side of the workbench (2), the top of the driving handle (41) is fixedly connected with a driving wheel (42), the side surface of the driving wheel (42) is meshed with a driven wheel (43), and one side of the driven wheel (43) is fixedly connected with a threaded rod (44);

the purification mechanism (5) comprises a purification box (51), the purification box (51) is fixedly connected to the side face of the welding head (3), and a fan (52) is fixedly connected to the bottom end of the purification box (51).

2. A cap pressure welding device for lithium battery production according to claim 1, characterized in that: the side swing joint of threaded rod (44) has sliding block (45), the top fixedly connected with fixed plate (46) of sliding block (45).

3. A cap pressure welding device for lithium battery production according to claim 2, characterized in that: the fixed plate (46) comprises a plate body (461), the plate body (461) is fixedly connected to the top end of the sliding block (45), a rubber pad (462) is fixedly connected to the left side of the plate body (461), and a heat dissipation net (463) is fixedly connected to the inner portion of the rubber pad (462).

4. A cap pressure welding device for lithium battery production according to claim 3, characterized in that: the heat dissipation plate is characterized in that a heat dissipation groove (464) is formed in the plate body (461), a heat absorption plate (465) is arranged in the heat dissipation groove (464), and a heat dissipation fin (466) is fixedly connected to the right side of the heat absorption plate (465).

5. A cap pressure welding device for lithium battery production according to claim 1, characterized in that: the top fixedly connected with of fan (52) filters cotton layer (53), the top fixedly connected with activated carbon layer (54) of filtering cotton layer (53), the top of activated carbon layer (54) is provided with air-supply pipe (55).

6. A cap pressure welding device for lithium battery production according to claim 5, characterized in that: one end of the air conveying pipe (55) is provided with a filtrate chamber (56), the left side of the filtrate chamber (56) is fixedly connected with a charging valve (57), and the top end of the filtrate chamber (56) is provided with an exhaust port (58).