CN205904601U - Battery welding removes dust device - Google Patents

Abstract

The utility model discloses a battery welding removes dust device, the device includes: carry out the laser outgoing head that laser welding used and set firmly in the exhaust column of the first side of laser outgoing the battery, the last coaxial coupling of laser outgoing head has and is used for supplying the produced dust of laser welding to pass through and by the inspiratory dust cover of smoke purifier, the dust cover includes: outer dust cover and interior dust cover, interior dust cover sets firmly in the inboard of outer dust cover, the interval on the surface of interior dust cover is equipped with a plurality of inlet ports that supply the dust entering and communicate with outer dust cover, at least, it supplies dust exhaust venthole to be equipped with one on the outer dust cover, the venthole manage to say with the exhaust column on ventilation holes be linked together, the exhaust column then is linked together with smoke purifier. The utility model discloses the dust gets into electric in -core portion when effectively having solved laser welding to cause battery short circuit, the technical problem that causes danger has greatly strengthened battery welding process's security.

Description

A battery welding dust removal device

【Technical field】

The utility model relates to the technical field of battery manufacturing, in particular to a battery welding dust removal device.

【Background technique】

Lithium battery is a new generation of green high-energy battery with excellent performance, because it has the characteristics of high voltage, high capacity, low consumption, no memory effect, pollution-free, small size, low internal resistance, less self-discharge, and many cycles. It is widely used in many civil and military fields such as mobile phones, notebook computers, and tablet computers.

Dust control in the manufacturing process of lithium batteries is very important to its safety performance, especially the welding slag produced in the welding process of lithium batteries is small in size and is very easy to be absorbed by the pole piece. If the control is not good, the dust is easy to enter the battery. The inside of the core will cause a short circuit inside the battery and cause danger. At present, most people use smoke purifiers to deal with dust. Due to the limited adsorption capacity, leakage will occur, and the adsorbed welding slag will fall back into the lithium battery, causing the battery to short circuit.

【Content of invention】

To sum up, the main purpose of this utility model is to solve the problem that the dust generated during the welding process of the lithium battery is easily absorbed by the smoke purifier so that the absorbed dust falls into the inside of the lithium battery and causes a short circuit of the battery. To solve the technical problem, a battery welding dust removal device is provided.

In order to solve the above technical problems, the utility model provides a battery welding dust removal device, which includes: a laser emitting head for laser welding of the battery and an exhaust pipe fixed on one side of the laser emitting head. The exit head is coaxially connected with a dust cover for the dust generated by laser welding to pass through and be inhaled by the smoke purifier. The dust cover includes: an outer dust cover and an inner dust cover, and the inner dust cover Fixed on the inner side of the outer dust cover, the surface of the inner dust cover is provided with a number of air intake holes for dust to enter and communicate with the outer dust cover, and the outer dust cover is provided with at least one for The air outlet for dust discharge, the air outlet communicates with the exhaust hole on the exhaust pipe through the pipe, and the exhaust pipe communicates with the smoke purifier.

The laser emitting head is coaxially connected with the outer dust cover and the inner dust cover respectively.

The outer dust cover includes: an outer dust cover body, the center of the outer dust cover body is provided with a laser injection head mounting hole for installing a laser output head, and the laser output head is installed in the laser output head installation hole , the laser emitting head and the outer dust cover body are fixedly connected through a connecting plate, the air outlets are arranged on the outer dust cover and arranged along the circumference of the laser emitting head installation hole respectively, one end of the air outlet is connected to the inner The air inlet of the dustproof cover is communicated, and the other end of the air outlet is communicated with the exhaust hole on the exhaust pipe through the pipeline.

The bottom of the outer dust cover is an inclined plane.

The inner dust cover is a trumpet-shaped structure with two ends open, the inner dust cover is embedded and fixed inside the outer dust cover, and the air intake holes are parallel to each other and obliquely along the circumference of the inner dust cover. to the interval setting.

The air intake hole is a strip-shaped through-hole structure.

The diameter of the through hole at the fixed end of the inner dust cover and the outer dust cover is the same as the diameter of the installation hole of the laser emitting head.

A gap for dust to pass is provided between the inner dust cover and the outer dust cover.

The beneficial effect of the utility model is that: adopting the above-mentioned technical scheme, a dust cover is installed at the end of the laser welding head to prevent the absorbed dust from falling back into the inside of the lithium battery and causing a short circuit of the battery. It is composed of an outer dust cover and an inner dust cover, and the inner dust cover is provided with parallel and inclined strip-shaped through holes. Therefore, it effectively solves the technical problem that the welding slag enters the inside of the battery, thereby causing a short circuit inside the battery and causing danger, and greatly enhances the safety of the battery welding process.

【Description of drawings】

Fig. 1 is a three-dimensional schematic view of the overall structure of the utility model;

Fig. 2 is an exploded schematic view of parts of the utility model;

Fig. 3 is the structural representation of inner dust cover of the utility model;

Fig. 4 is the connection schematic diagram of outer dustproof cover and inner dustproof cover of the present utility model;

Fig. 5 is the structural representation of the outer dustproof cover of the present utility model;

Fig. 6 is a side view of the outer dust cover of the utility model;

Fig. 7 is a structural schematic diagram of the dustproof cover of the present invention.

【detailed description】

The following examples are further explanations and supplements to the utility model, and will not constitute any limitation to the utility model.

As shown in FIGS. 1 to 7 , a battery welding dust removal device of the present invention includes: a laser emitting head 1 , an exhaust pipe 2 , a dust cover 3 and a connecting plate 4 .

As shown in FIG. 1 , FIG. 2 , and FIG. 7 , in this embodiment, the laser emitting head 1 is used for laser welding lithium batteries, and the laser emitting head 1 is installed on a laser emitting head mounting bracket 5 . On the laser emitting head mounting bracket 5 is fixedly connected with an exhaust pipe mounting bracket 6 for installing the exhaust pipe 2 . The air exhaust pipe 2 is fixedly installed on the air exhaust pipe mounting bracket 6 . The air intake end of the air exhaust pipe 2 is provided with an air exhaust pipe panel 22 , and an air exhaust hole 21 is arranged on the air exhaust pipe panel 22 . In this embodiment, the number of the ventilation holes 21 is four, and each ventilation hole is equipped with a first joint 211 and a first nut 212 fixedly connected with the first joint 211 . One end of the exhaust pipe 2 communicates with an external smoke purifier (not shown in the figure), and the other end of the exhaust pipe 2 communicates with the dust cover 3 through the first nut 212 through a pipe. In this embodiment, the fume purifier adopts a model DX6000 fume purifier, which has good comprehensive purification effect for a large amount of dust, smoke, high-concentration waste gas and a small amount of oil and water produced by laser cutting.

As shown in Fig. 1 and Fig. 2, the inventive point of the present utility model is that a dust cover 3 is coaxially connected to the laser emitting head 1 for passing the dust generated by laser welding and sucking the dust out by the fume purifier.

As shown in FIGS. 2 to 4 , specifically, the dust cover 3 includes: an outer dust cover 31 and an inner dust cover 32 . In this embodiment, the laser emitting head 1 is coaxially connected with the outer dust cover 31 and the inner dust cover 32 respectively. The inner dust cover 32 is fixed on the inner side of the outer dust cover 31 . The surface of the inner dust cover 32 is provided with a plurality of air inlet holes 321 for dust to enter and communicate with the outer dust cover 31 at intervals. The outer dust cover 31 is provided with at least one air outlet 311 for dust discharge. In this embodiment, the number of air outlets is four. Each outlet hole 311 is respectively provided with a second joint 3111 and a second nut 3112 affixed to the second joint 3111, and the second nut communicates with the first nut 212 at the exhaust hole on the exhaust pipe 2 through a pipe. , the exhaust pipe 2 is connected with the smoke purifier. The diameter of the through hole at the fixed end of the inner dust cover 32 and the outer dust cover 31 is the same as the diameter of the laser emitting head installation hole 313 . A gap for dust to pass is provided between the inner dust cover 32 and the outer dust cover 31 .

As shown in Figures 4 to 6, specifically, the outer dust cover 31 includes: an outer dust cover body 312, and the center of the outer dust cover body 312 is provided with a laser emitting head for installing the laser emitting head 1. The mounting hole 313 , the laser emitting head 1 is installed in the laser emitting head mounting hole 313 , and the laser emitting head 1 is fixedly connected with the outer dust cover body 312 through the connecting plate 4 . In this embodiment, the cross-section of the connecting plate 4 is an L-shaped structure. Described air outlet 311 is located on the outer dust cover 31 and is arranged along the circumferential direction of laser emitting head mounting hole 313 respectively, and one end of described air outlet 311 communicates with the air inlet 321 of inner dust cover, and the air outlet 311 The other end communicates with the exhaust hole 21 on the exhaust pipe 2 through the pipeline. A through hole 314 for fixing the inner dust cover 32 is provided on the outer dust cover body 312 and between two adjacent air outlet holes 311 . The bottom of the outer dust cover 31 is an inclined plane.

As shown in Figure 3, specifically, the inner dust cover 32 is a trumpet-shaped structure with two ends open, and the top of the inner dust cover 32 is provided with a through hole 314 on the outer dust cover body. Corresponding to the screw hole 322, the inner dust cover 32 is embedded in the inner side of the outer dust cover 31 and passed through the through hole 314 on the outer dust cover body and the screw hole 322 of the inner dust cover by screws respectively. The outer dust cover 31 and the inner dust cover 32 are fixed. The air intake holes 321 are arranged parallel to each other and obliquely along the circumferential direction of the inner dust cover 32 at intervals. The air inlet 321 is a strip-shaped through-hole structure.

Although the utility model has been disclosed through the above embodiments, the scope of the utility model is not limited thereto. Under the condition of not departing from the concept of the utility model, the above components can be realized by similar or equivalent elements understood by those skilled in the art replace.

Claims (8)

1. a kind of welding battery chock dust remover, described device includes: lithium battery is carried out with the laser emitting head of laser welding (1) exhaust column (2), being fixedly arranged on the first side of laser emitting and the smoke purifier that is connected with this exhaust column are it is characterised in that institute The dust cover (3) being coaxially connected with for preventing dust produced by laser welding from outwards flying away, institute are stated on laser emitting head (1) State dust cover (3) to include: outer dust cover (31) and interior dust cover (32), described interior dust cover (32) is fixedly arranged on outer dust cover (31) Inner side, the surface of described interior dust cover (32) is interval with some confession dust enter and with entering that outer dust cover (31) connects Pore (321), described outer dust cover (31) is provided with the venthole (311) that dust is suctioned out by least one, and this venthole is through pipe Road is connected with the convulsion hole (21) on exhaust column (2), and exhaust column (2) is then connected with smoke purifier, and net by smog Change device to suction out the dust in dust cover (31).

2. welding battery chock dust remover according to claim 1 is it is characterised in that described laser emitting head (1) is distinguished Coaxially connected with outer dust cover (31), interior dust cover (32).

3. welding battery chock dust remover according to claim 2 is it is characterised in that described outer dust cover (31) includes: Outer dust boot body (312), the central authorities of described outer dust boot body (312) have installs the laser of laser emitting head (1) and goes out Penetrate an installing hole (313), described laser emitting head (1) is arranged in laser emitting head installing hole (313), described laser emitting head (1) it is fixedly connected by connecting plate (4) with outer dust boot body (312), described venthole (311) is on outer dust cover (31) And circumferentially disposed along laser emitting head installing hole (313) respectively, one end of described venthole (311) and the air inlet of interior dust cover Hole (321) connects, and the other end of venthole (311) is connected with the convulsion hole (21) on exhaust column (2) through pipeline.

4. welding battery chock dust remover according to claim 3 is it is characterised in that the bottom of described outer dust cover (31) For inclined-plane.

5. welding battery chock dust remover according to claim 3 is it is characterised in that described interior dust cover (32) is two ends Uncovered flared structure, described interior dust cover (32) embeds and is fixed on inside described outer dust cover (31), described air inlet (321) it is parallel to each other and obliquely being provided at circumferentially spaced along interior dust cover (32).

6. welding battery chock dust remover according to claim 5 is it is characterised in that described air inlet (321) is bar shaped Through-hole structure.

7. welding battery chock dust remover according to claim 5 is it is characterised in that laser emitting head installing hole (313) Internal diameter be more than the external diameter of described interior dust cover (32) and outer dust cover (31) fixing one end through hole.

8. welding battery chock dust remover according to claim 7 is it is characterised in that described interior dust cover (32) is anti-with outer Dust hood is provided with, between (31), the gap passed through for dust.