CN216177561U

CN216177561U - Automatic dust absorption auxiliary device of lithium cell laser welding

Info

Publication number: CN216177561U
Application number: CN202122769757.5U
Authority: CN
Inventors: 汪志军; 文强
Original assignee: Wuhu Etc Battery Ltd
Current assignee: Wuhu Etc Battery Ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-05
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses an automatic dust collection auxiliary device for lithium battery laser welding, and relates to the technical field of dust collection devices. According to the utility model, the cylinder drives the dust hood to move up and down, so that the lower pressing block connected with the bottom end of the dust hood is abutted against the product positioning fixture, and the welding area is covered by the through hole, thus the height difference between the dust suction opening and the product is reduced, the dust removal and smoke removal effects are improved, nitrogen is introduced through the shielding gas circular hole, the splashing of welding slag is reduced, and the dust collector is externally connected with the dust collector through the dust collector interface and is used for removing dust and smoke.

Description

Automatic dust absorption auxiliary device of lithium cell laser welding

Technical Field

The utility model relates to the technical field of dust collection devices, in particular to an automatic dust collection auxiliary device for lithium battery laser welding.

Background

The power battery is a power supply for providing a power source for tools, and is a storage battery for providing power for an electric automobile, an electric train, an electric bicycle and a golf cart, the power battery needs to use a laser welding machine to complete welding work in the preparation process, metal splashes and smoke dust can be generated on the surface of a welding part in the welding process, metal particles splashed into a product can cause short circuit of the product, the smoke dust can reflect laser energy to cause the subsequent product to generate false welding, so a dust removal device is usually installed on the welding machine to reduce the influence of the smoke dust on the welding, but the dust removal device is often installed at a fixed position, a dust suction port and a product positioning clamp have a height difference, and the dust removal effect is not ideal. Therefore, an automatic dust absorption auxiliary device for lithium battery laser welding is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic dust absorption auxiliary device for lithium battery laser welding, which aims to solve the defects in the prior art.

The utility model provides an automatic dust absorption auxiliary device of lithium cell laser welding, includes briquetting, suction hood and elevating gear down, the suction hood is installed to the upper end of briquetting down, the bottom side butt of briquetting is on product positioning fixture down, be connected with elevating gear on the interior bottom surface of suction hood, elevating gear drives briquetting and suction hood down and reciprocates.

Preferably, the lower pressing block is provided with a through hole for laser to pass through, and the side wall of the through hole is provided with a protection gas round hole.

Preferably, be equipped with logical groove corresponding to briquetting mounted position down in the suction hood, it manages to correspond the through-hole and install laser entry side's pipe down on the briquetting, laser entry side's pipe butt is on the inside wall that leads to the groove, just be connected with the dust catcher interface on the lateral wall of laser entry side's pipe.

Preferably, the lifting device comprises a pair of cylinders respectively connected to two sides of the inner bottom surface of the dust hood, and the tail ends of the pair of cylinders are respectively installed on one supporting frame.

The utility model has the advantages that: according to the utility model, the cylinder drives the dust hood to move up and down, so that the lower pressing block connected with the bottom end of the dust hood is abutted against the product positioning fixture, and the welding area is covered by the through hole, thus the height difference between the dust suction opening and the product is reduced, the dust removal and smoke removal effects are improved, nitrogen is introduced through the shielding gas circular hole, the splashing of welding slag is reduced, and the dust collector is externally connected with the dust collector through the dust collector interface and is used for removing dust and smoke.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention.

Fig. 2 is a schematic structural view of the product positioning jig of the present invention.

Fig. 3 is a schematic structural diagram of the present invention without a lifting device.

Wherein: 1-briquetting; 2-a dust hood; 3-a lifting device; 4-positioning the product; 5-a through hole; 6-protection gas circular hole; 7-through grooves; 8-laser entrance square tube; 9-a vacuum cleaner interface; 10-cylinder; 11-a support frame.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1 to 3, an automatic dust absorption auxiliary device for lithium battery laser welding comprises a lower pressing block 1, a dust hood 2 and a lifting device 3, wherein the dust hood 2 is installed at the upper end of the lower pressing block 1, the bottom side of the lower pressing block 1 abuts against a product positioning clamp 4, the lifting device 3 is connected to the inner bottom surface of the dust hood 2, and the lifting device 3 drives the lower pressing block 1 and the dust hood 2 to move up and down.

In this embodiment, a through hole 5 for passing laser is formed in the lower pressing block 1, and a circular protection gas hole 6 is formed in the side wall of the through hole 5. The shielding gas round hole 6 can be inserted into a shielding gas pipe, and shielding nitrogen is introduced in the welding process to reduce splashing of welding slag.

In this embodiment, be equipped with logical groove 7 corresponding to briquetting 1 mounted position down in the suction hood 2, briquetting 1 is gone up to correspond through-hole 5 and is installed laser entry side pipe 8 down, laser entry side pipe 8 butt is on the inside wall that leads to groove 7, just be connected with dust catcher interface 9 on the lateral wall of laser entry side pipe 8. The external dust catcher of dust catcher interface 9 removes smoke and slag tap operation, be equipped with the through-hole that link up with protection gas round hole 6 on the laser entry side pipe 8, can make things convenient for the protection gas trachea to insert.

In this embodiment, the lifting device 3 includes a pair of cylinders 10 respectively connected to two sides of the inner bottom surface of the dust hood 2, and the ends of the pair of cylinders 10 are respectively mounted on a supporting frame 11. The mounting frame 11 and the product positioning clamp 4 are arranged on the workbench.

The working principle of the utility model is as follows: insert the trachea of protection nitrogen gas in the protection gas round hole 6 of this device, and with the dust catcher interface 9 on the dust absorption pipe of access dust catcher, will need the welded product to be fixed in on the product positioning fixture 4 afterwards, start cylinder 10 and drive suction hood 2 and move down after that, thereby drive briquetting 1 and move down, and cover in needs welded region through-hole 5, start laser-beam welding machine afterwards, laser passes and welds the welding piece that needs the welding from laser entry side pipe 8 and through-hole 5 are inside, and protection nitrogen gas pours into and protects in the through-hole 5, the dust catcher starts and follow dust catcher interface 9 department with smoke and dust and welding slag suction simultaneously.

According to the utility model, the cylinder 10 drives the dust hood 2 to move up and down, so that the lower pressing block 1 connected with the bottom end of the dust hood 2 is abutted against the product positioning clamp 4, and the welding area is covered by the through hole 5, thus the height difference between a dust suction opening and a product is reduced, the dust removal and smoke removal effects are improved, nitrogen is introduced through the shielding gas circular hole 6, the splashing of welding slag is reduced, and the dust collector interface 9 is externally connected with a dust collector for removing dust and smoke.

It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.

Claims

1. The utility model provides an automatic dust absorption auxiliary device of lithium cell laser welding which characterized in that: including briquetting (1), suction hood (2) and elevating gear (3) down, suction hood (2) are installed to the upper end of briquetting (1) down, the bottom side butt of briquetting (1) is on product positioning fixture (4) down, be connected with elevating gear (3) on the interior bottom surface of suction hood (2), elevating gear (3) drive briquetting (1) and suction hood (2) down reciprocate.

2. The automatic dust absorption auxiliary device for the laser welding of the lithium battery as claimed in claim 1, wherein: the laser protection device is characterized in that a through hole (5) for laser to pass through is formed in the lower pressing block (1), and a protection gas round hole (6) is formed in the side wall of the through hole (5).

3. The automatic dust absorption auxiliary device for the laser welding of the lithium battery as claimed in claim 2, wherein: be equipped with logical groove (7) corresponding to briquetting (1) mounted position down in suction hood (2), briquetting (1) is gone up corresponding through-hole (5) down and is installed laser entry side pipe (8), laser entry side pipe (8) butt is on the inside wall that leads to groove (7), just be connected with dust catcher interface (9) on the lateral wall of laser entry side pipe (8).

4. The automatic dust absorption auxiliary device for the laser welding of the lithium battery as claimed in claim 1, wherein: the lifting device (3) comprises a pair of cylinders (10) which are respectively connected to two sides of the inner bottom surface of the dust hood (2), and the tail ends of the cylinders (10) are respectively installed on the support frame (11).