Copper nozzle pressing tool

Abstract

The utility model relates to the technical field of pressing tools, in particular to a copper nozzle pressing tool which comprises a pressing tool body and a copper nozzle, a positioning seat is arranged on the pressing tool body, a copper nozzle positioning hole is formed in the positioning seat, connecting holes are further formed in the positioning seat at intervals, the copper nozzle positioning hole is matched with the copper nozzle in a clamped mode, and the copper nozzle positioning hole is matched with the copper nozzle in a clamped mode. A copper nozzle positioning hole is formed in the positioning seat, a gas circulation gap is further formed between the copper nozzle positioning hole and the copper nozzle, a dust suction channel and a protective gas channel are formed in the two opposite sides of the positioning seat correspondingly and are both obliquely arranged, and a protective gas inlet is formed between the protective gas channel and the gas circulation gap. A dust extraction opening is formed between the dust extraction channel and the gas circulation gap, and the protective gas inlet is lower than the dust extraction opening. According to the copper nozzle pressing tool, the mode that dust is directly extracted from the side face is adopted, it is guaranteed that the welding environment is free of impurities, black holes and explosion holes, an outlet of shielding gas is lower than a dust extraction opening, and the welding protection performance is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pressing tool technical field, concretely is a copper mouth pressing tool. BACKGROUND

[0002] In the field of new energy automobile battery module production, the connection of laser welding battery pole and aluminum bar ensures that the pole can be closely connected with the aluminum bar. The copper mouth pressing tool plays a role in pressing and positioning the aluminum bar in laser welding. By applying appropriate pressure, the possible small gap on the welding surface can be eliminated, which helps to improve the quality and consistency of laser welding.

[0003] The existing copper mouth pressing tool has a dust extraction, nitrogen gas channel and welding channel. In actual use, welding impurities can cause the tool to jam, not to rebound, and have gaps when contacting the aluminum bar, affecting the pressing of the aluminum bar. In addition, the tool usually uses a direct dust extraction method from the top, which can also extract the protective gas, resulting in insufficient welding protection. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a copper mouth pressing tool to solve the problem that the copper mouth pressing tool on the market is easily blocked by impurities, affecting the fastening of the pressing, and the use of the protective gas is affected by the direct dust extraction from the top.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a copper mouth pressing tool, comprising a pressing tool main body and a copper mouth, a positioning seat is arranged on the pressing tool main body, a copper mouth positioning hole is arranged in the positioning seat, and a connecting hole is also arranged on the positioning seat, the copper mouth positioning hole is connected with the copper mouth, a gas flow gap is arranged between the copper mouth positioning hole and the copper mouth, a dust extraction channel and a protective gas channel are arranged on the opposite sides of the positioning seat, the dust extraction channel and the protective gas channel are inclined, a protective gas inlet is arranged between the protective gas channel and the gas flow gap, a dust extraction port is arranged between the dust extraction channel and the gas flow gap, and the height of the protective gas inlet is lower than the height of the dust extraction port.

[0006] Preferably, the lower part of the copper mouth positioning hole is a conical surface, the bottom of the copper mouth is also a conical surface, and the gas flow gap is located between the conical surface of the copper mouth positioning hole and the copper mouth.

[0007] Preferably, the dust extraction port and the protective gas inlet are located on the conical surface of the copper mouth positioning hole.

[0008] Preferably, the dust extraction channel is inclined towards the lower part of the outer side of the positioning seat.

[0009] Preferably, the dust extraction channel and the protective gas channel are located on the tangent line close to the outer circle of the copper mouth positioning hole.

[0010] Preferably, the protective gas channel is inclined towards the inside of the positioning seat.

[0011] Compared with the prior art, the copper nozzle pressing tool adopts the mode of directly extracting dust from the side, ensures that the welding environment is free of impurities, and there is no black hole or burst hole, and makes the outlet of the protective gas lower than the dust extraction port, ensuring the protection of welding. The copper nozzle pressing tool makes the protective gas channel inclined downward towards the gas flow gap side, makes the protective gas spirally guide to the welding area, and the dust extraction channel is inclined downward towards the outside, which can avoid impurities flowing back into the gas flow gap, ensure the cleanliness of the welding environment, and thus ensure the welding quality. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a copper nozzle pressing tool structure schematic view of the utility model;

[0013] Figure 2 It is a copper nozzle pressing tool main body and copper nozzle clamping structure schematic view of the utility model;

[0014] Figure 3 It is a copper nozzle pressing tool dust extraction channel and protective gas channel structure schematic view of the utility model;

[0015] Figure 4 It is a copper nozzle pressing tool side view of the utility model.

[0016] In the drawing: 1, pressing tool main body; 2, positioning seat; 3, copper nozzle positioning hole; 4, connecting hole; 5, dust extraction channel; 6, dust extraction port; 7, protective gas channel; 8, protective gas inlet; 9, copper nozzle; 10, gas flow gap. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a copper mouth pressing tool, including pressing tool main part 1 and copper mouth 9, be equipped with positioning seat 2 on pressing tool main part 1, and copper mouth positioning hole 3 is seted up in positioning seat 2, and still be equipped with connecting hole 4 apart on positioning seat 2, copper mouth positioning hole 3 and copper mouth 9 joint cooperation, and still be equipped with gas flow gap 10 between copper mouth positioning hole 3 and copper mouth 9, the taper surface below copper mouth positioning hole 3, and the taper surface also is at copper mouth 9 bottom, and gas flow gap 10 is located between copper mouth positioning hole 3 and the taper surface of copper mouth 9, this structure can provide flowing space for dust extraction and protective gas through gas flow gap 10, simultaneously, the fastening of copper mouth 9 pressing is not hindered, positioning seat 2 relative two sides are equipped with dust extraction channel 5 and protective gas channel 7 respectively, and dust extraction channel 5 is inclined towards the outside lower side of positioning seat 2, this structure lets the impurity extracted by dust extraction channel 5 not backflow into gas flow gap 10, ensures the cleanness of welding environment, and dust extraction channel 5 and protective gas channel 7 are all inclined setting, and protective gas channel 7 is inclined towards the inside lower side of positioning seat 2, this structure makes protective gas channel 7 can let protective gas blow into gas flow gap 10 in the tangent direction of copper mouth positioning hole 3, to make protective gas flow in spiral shape, to make protective gas can reach welding area quickly, ensure the protection when welding, dust extraction channel 5 and protective gas channel 7 are respectively close to the tangent on the outer ring of copper mouth positioning hole 3, this structure makes dust extraction channel 5 can remove the gas with impurity maximumly, and protective gas channel 7 can make protective gas blow into gas flow gap 10 in the tangent direction in spiral shape, to make protective gas can reach welding area quickly, ensure the protection when welding, and the wind speed of protective gas is not less than dust extraction wind speed 5mm / s compared to dust extraction, to avoid the influence welding protection, dust extraction channel 5 is also easier to extract dust-containing gas, and protective gas channel 7 and gas flow gap 10 are equipped with protective gas inlet 8, and dust extraction channel 5 and gas flow gap 10 are equipped with dust extraction port 6, and dust extraction port 6 and protective gas inlet 8 are all located on the taper surface of copper mouth positioning hole 3, this structure because dust extraction port 6 is higher than protective gas inlet 8, can reduce the greater obstruction that dust extraction causes to the entry of protective gas, ensure gas protection treatment when welding, and the height of protective gas inlet 8 is lower than the height of dust extraction port 6.

[0019] Working principle: when the copper nozzle compression tool is used, firstly, the positioning seat 2 is installed and positioned to the compression tool body 1 through the connecting hole 4, the positioning seat 2 is positioned to the copper nozzle 9 through the copper nozzle positioning hole 3, when the laser welding process is carried out, the protective gas flows through the inclined downward protective gas channel 7, then enters the gas flow gap 10 through the protective gas inlet 8, since the protective gas inlet 8 is located at the tangential position of the gas flow gap 10, the protective gas spirals downward along the gas flow gap 10 to the welding area for protection, the dust extraction mechanism extracts dust under negative pressure, the gas containing impurities is extracted into the dust extraction channel 5 through the dust extraction port 6, the dust extraction channel 5 is inclined to the outside and downward, so as to avoid the impurities from flowing back into the gas flow gap 10, ensure that the welding environment is free of impurities, reduce the product failure rate, and improve the stability of the welding quality, so as to complete a series of work.

[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or replace some technical features equivalently, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A copper nose compression tool comprising a compression tool body (1) and a copper nose (9), characterised in that: The pressing tool body (1) is provided with a positioning seat (2), and a copper nozzle positioning hole (3) is formed in the positioning seat (2), and a connecting hole (4) is also formed in the positioning seat (2) at intervals, the copper nozzle positioning hole (3) is in clamping cooperation with the copper nozzle (9), and a gas flow gap (10) is further arranged between the copper nozzle positioning hole (3) and the copper nozzle (9), the opposite sides of the positioning seat (2) are respectively provided with a dust extraction channel (5) and a protective gas channel (7), and the dust extraction channel (5) and the protective gas channel (7) are both arranged in an inclined manner, a protective gas inlet (8) is arranged between the protective gas channel (7) and the gas flow gap (10), a dust extraction port (6) is arranged between the dust extraction channel (5) and the gas flow gap (10), and the height of the protective gas inlet (8) is lower than the height of the dust extraction port (6).

2. The copper nose compression tool of claim 1, wherein: The copper nozzle positioning hole (3) is a conical surface, the bottom of the copper nozzle (9) is also a conical surface, and the gas flow gap (10) is located between the conical surfaces of the copper nozzle positioning hole (3) and the copper nozzle (9).

3. The copper nose compression tool of claim 2, wherein: The dust extraction port (6) and the protective gas inlet (8) are both located on the conical surface of the copper nozzle positioning hole (3).

4. The copper nose press tool according to claim 1, wherein: The dust extraction channel (5) is inclined towards the lower side of the outside of the positioning seat (2).

5. The copper nose press tool of claim 1, wherein: The dust extraction channel (5) and the protective gas channel (7) are respectively close to the tangent line of the outer circle of the copper nozzle positioning hole (3).

6. The copper nose press tool according to claim 1, wherein: The protective gas channel (7) is inclined towards the lower side of the inside of the positioning seat (2).

Images