CN218745443U

CN218745443U - Welding gun with adjustable tungsten needle

Info

Publication number: CN218745443U
Application number: CN202222642816.7U
Authority: CN
Inventors: 陈厚忠
Original assignee: Wuhan Jinniu Stainless Steel Pipe Technology Co ltd
Current assignee: Wuhan Jinniu Stainless Steel Pipe Technology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-03-28
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a welder of adjustable tungsten needle, including the barrel, the inside of barrel is provided with the tungsten needle body, one side of barrel is provided with the connecting pipe, the outside of tungsten needle body is fixed with blocking mechanism, the inner wall welding of barrel has the fender dish, tungsten needle body activity is pegged graft in the inside of fender dish, spring one has been cup jointed to the outside of tungsten needle body, spring one is located between blocking mechanism and the fender dish, there is the regulating block inside of barrel through threaded connection, the top outer wall of regulating block is fixed with the swing arm, the outside welding that the top of swing arm extended to the barrel has the knob, the outer wall of barrel is provided with the insulating layer. The utility model discloses an adjusting block, spring one and barrier mechanism when setting up utilize the elasticity that a pair of barrier mechanism of spring applyed for the tungsten needle body can keep the stationary state in the bottom of adjusting block, when rotating the adjusting block, makes the tungsten needle body stretch out the length of barrel can be convenient adjust.

Description

Welding gun with adjustable tungsten needle

Technical Field

The utility model relates to a welding equipment technical field, concretely relates to welder of adjustable tungsten needle.

Background

Welding is a common metal-to-metal connection mode in life, and a welding gun with a tungsten needle is required to weld metals in the argon arc welding process.

Chinese patent No. CN200820300862.6 discloses an air-cooled argon arc welding gun with high universality in welding equipment. The welding gun comprises a gun body, a secondary wire and an air inlet pipe, wherein the input end of the secondary wire and the input end of the air inlet pipe are respectively connected with the gun body, and the input end of the secondary wire is detachably connected with the gun body. The welding gun is convenient for connecting and disassembling the secondary line and the gun body, so that when the gun body is connected with the welding machine through the secondary line, the welding gun can be conveniently switched between the argon arc welding machine and the direct current welding machine, the universality of the welding machine is improved, and the direct current welding machine can be used for replacing the argon arc welding machine when the welding gun performs argon arc welding operation.

Argon arc welds welder at the during operation, because the tungsten needle can produce most advanced and can produce the loss, so need polish tungsten needle point end after using a period at welder, need dismantle welder before polishing the tungsten needle, then outwards extend the tungsten needle, then assemble the welder, just can polish the most advanced of tungsten needle at last, whole process operation is too loaded down with trivial details, leads to polishing of tungsten needle inconvenient. Therefore, it is desirable to design a welding gun with an adjustable tungsten needle to solve the above problems.

Disclosure of Invention

The utility model aims at providing a welder of adjustable tungsten needle to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a welder of adjustable tungsten needle, includes the barrel, the inside of barrel is provided with the tungsten needle body, one side of barrel is provided with the connecting pipe, the external fixation of tungsten needle body has blocking mechanism, the inner wall welding of barrel has the fender dish, tungsten needle body activity is pegged graft in the inside that keeps off the dish, spring one has been cup jointed to the outside of tungsten needle body, spring one is located between blocking mechanism and the fender dish, there is the regulating block inside of barrel through threaded connection, the top outer wall of regulating block is fixed with the hob, the outside welding that the top of hob extends to the barrel has the knob, the outer wall of barrel is provided with the insulating layer.

Furthermore, the bottom outer wall of regulating block is opened has the spliced eye, the top of tungsten needle body is pegged graft in the inside of spliced eye, the inside of barrel is provided with spring two, spring two is located between regulating block and the fender dish.

Furthermore, the top of the gun barrel is connected with a plugging cap through threads, and the plugging cap is sleeved outside the rotary rod.

Furthermore, the blocking mechanism comprises a circular ring, a connecting sleeve is integrally formed at the top of the circular ring, contraction gaps which are distributed in a central symmetry mode are formed in the outer wall of the connecting sleeve, elastic claws are naturally formed between every two adjacent contraction gaps, a pressing cap is connected to the outer portion of the connecting sleeve through threads, and the pressing cap and the connecting sleeve are matched with the tungsten needle body.

Furthermore, the outer wall of the top of the connecting sleeve is provided with an inclined plane, and the inner wall of the top of the pressing cap is provided with a conical surface matched with the inclined plane.

Furthermore, the outer wall of the top of the blocking disc is integrally formed with a guide sleeve, the spring is sleeved outside the guide sleeve, and the tungsten needle body is movably inserted inside the guide sleeve.

Furthermore, the outer wall of the bottom of the blocking disc is provided with air outlet holes which are distributed in a central symmetry manner, and the outer wall of one side of the gun barrel is provided with an air inlet hole matched with the connecting pipe.

In the technical scheme, the utility model provides a pair of welder of adjustable tungsten needle, beneficial effect is:

(1) Through regulating block, spring one and the barrier mechanism when setting up, utilize the elasticity that a pair of barrier mechanism of spring applyed for tungsten needle body can keep the stationary state in the bottom of regulating block, when rotating the regulating block, make the tungsten needle body stretch out the length of barrel and can be convenient adjust.

(2) Through adapter sleeve, elastic claw and the pressure cap that sets up, utilize to press cap and adapter sleeve to carry out threaded connection for elastic claw can fix on the tungsten needle body through the shrink, can be convenient when making the tungsten needle body need be changed dismantle stop mechanism, and conveniently install stop mechanism on intact tungsten needle body, and then avoid the material extravagant, realize material saving's effect.

(3) Through the shutoff cap and the knob that set up, utilize knob and swing arm can be convenient rotate the adjusting block, prevent through the shutoff cap that the inside of barrel from the top entering foreign matter, and then be difficult to take place the effect of service failure because of the foreign matter when making welder use.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural view of a main view provided by an embodiment of the welding gun with an adjustable tungsten needle of the present invention.

Fig. 2 is a schematic view of an internal structure provided by an embodiment of the welding gun with the adjustable tungsten needle of the present invention.

Fig. 3 is an enlarged schematic structural diagram of a position a provided in an embodiment of the welding gun with an adjustable tungsten needle of the present invention.

Fig. 4 is a schematic structural diagram of a blocking mechanism provided in an embodiment of the welding gun with the adjustable tungsten needle of the present invention.

Description of reference numerals:

the device comprises a barrel 1, a connecting pipe 2, a tungsten needle body 3, an adjusting block 4, a rotating rod 5, a knob 6, a blocking cap 7, a blocking mechanism 8, a plug hole 9, an insulating layer 10, a blocking disc 11, an air outlet hole 12, a guide sleeve 13, a first spring 14, a first ring 15, a connecting sleeve 16, an elastic claw 17, a pressing cap 18, a contraction gap 19, an inclined plane 20, a conical surface 21, an air inlet hole 22 and a second spring 23.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the utility model provides a welder of adjustable tungsten needle, including barrel 1, the inside of barrel 1 is provided with tungsten needle body 3, one side of barrel 1 is provided with connecting pipe 2, tungsten needle body 3's external fixation has blocking mechanism 8, barrel 1's inner wall welding has fender dish 11, tungsten needle body 3 activity is pegged graft in the inside of fender dish 11, spring 14 has been cup jointed to tungsten needle body 3's outside, spring 14 is located between blocking mechanism 8 and the fender dish 11, barrel 1's inside has regulating block 4 through threaded connection, regulating block 4's top outer wall is fixed with swing arm 5, the top of swing arm 5 extends to barrel 1's external welding has

knob

6, 1's outer wall is provided with insulating layer 10.

Specifically, in this embodiment, including barrel 1, barrel 1 is made for electrically conductive metal material, barrel 1's inside is provided with tungsten needle body 3, tungsten needle body 3 is the welded electrode, one side of barrel 1 is provided with connecting pipe 2, connecting pipe 2 plays the effect of connecting power and protective gas, tungsten needle body 3's external fixation has blocking mechanism 8, barrel 1's inner wall welding has catch plate 11, tungsten needle body 3 activity is pegged graft in the inside of catch plate 11, first spring 14 has been cup jointed to tungsten needle body 3's outside, first spring 14 is located between blocking mechanism 8 and the catch plate 11, barrel 1's inside has regulating block 4 through threaded connection, regulating block 4 is made for electrically conductive good metal material, utilize the elasticity of first spring 14 to make tungsten needle body 3 and regulating block 4 in close contact with, and then make barrel 1, form electrically conductive path between regulating block 4 and the tungsten needle body 3, regulating block 4's top outer wall is fixed with down knob 5, the top of down knob 5 extends to barrel 1's outside

knob

6, 5 and 6 adopt the material of performance difference to make the knob to make the quality of barrel, it has the knob to prevent that the knob 6 to scald when the knob and take place the insulating layer 10 and rotate the knob and the convenient knob that the welding handle that the knob takes place to scald.

The utility model provides a pair of welder of adjustable tungsten needle, regulating block 4 through when setting up, spring 14 and stop gear 8, utilize spring 14 to the elasticity that stop gear 8 applyed, make tungsten needle body 3 can keep the stationary state in regulating block 4's bottom, when rotating regulating block 4, make tungsten needle body 3 stretch out the length of barrel 1 can be convenient adjust, welder has higher temperature at the during operation simultaneously, traditional welder can't in time polish when discovering the welding electrode loss, can cause the hand scald when disassembling welder, need wait to disassemble the electrode of polishing after the welder cools off again, the utility model provides a scheme can be when discovering tungsten needle body 3 loss, directly rotate knob 6 and stretch out tungsten needle body 3 regulation, and then make polishing that tungsten needle body 3 can be timely, has reduced waiting for refrigerated time, and then has improved welded work efficiency.

The utility model provides a further embodiment, the bottom outer wall of regulating block 4 is opened there is spliced hole 9, the top of tungsten needle body 3 is pegged graft in spliced hole 9's inside, tungsten needle body 3 is transition fit with regulating block 4 for tungsten needle body 3 is good with 4 conductive contact of regulating block, the inside of barrel 1 is provided with spring two 23, spring two 23 is located between regulating block 4 and the catch plate 11, exert the effort to regulating block 4 through spring two 23, prevent that regulating block 4 from taking place to rotate under free state.

The utility model provides a further embodiment, there is plugging cap 7 at the top of barrel 1 through threaded connection, and plugging cap 7 cup joints in the outside of swing arm 5, prevents through plugging cap 7 that the inside of barrel 1 from getting into the foreign matter from the top, and then is difficult to take place the effect of service failure because of the foreign matter when making welder use.

The utility model provides a further embodiment, barrier mechanism 8 includes ring 15, ring 15's top integrated into one piece has adapter sleeve 16, adapter sleeve 16's outer wall is provided with the shrink clearance 19 that is central symmetric distribution, be formed with elasticity claw 17 between two adjacent shrink clearances 19 naturally, elasticity claw 17 has certain elasticity, there is pressure cap 18 outside through threaded connection adapter sleeve 16, pressure cap 18 and adapter sleeve 16 all with tungsten needle body 3 looks adaptation, carry out threaded connection through pressure cap 18 and adapter sleeve 16, make elasticity claw 17 can fix on tungsten needle body 3 through the shrink, make can be convenient when tungsten needle body 3 needs to be changed dismantle barrier mechanism 8, and conveniently install barrier mechanism 8 on intact tungsten needle body 3, and then avoid the material waste, realize material saving's effect, adapter sleeve 16's top outer wall is provided with inclined plane 20, the top inner wall of pressure cap 18 is provided with the conical surface 21 with inclined plane 20 looks adaptation, when pressure cap 18 carries out threaded connection with adapter sleeve 16, pressure cap 18 can extrude the inclined plane on elasticity claw 17 through conical surface 21, make elasticity claw 17 take place elasticity claw and deform.

The utility model provides a further embodiment, the top outer wall integrated into one piece of keeping off dish 11 has guide pin bushing 13, and spring 14 cup joints in the outside of guide pin bushing 13, and tungsten needle body 3 activity is pegged graft in the inside of guide pin bushing 13, utilizes guide pin bushing 13 to make tungsten needle body 3 can not take place to rock when using.

The utility model provides a further embodiment, the bottom outer wall of fender dish 11 is opened has the venthole 12 that is central symmetric distribution, and one side outer wall of barrel 1 is opened has the inlet port 22 with 2 adaptations of connecting pipe, and the inside protective gas that lets in of connecting pipe 2 gets into the inside of barrel 1 from inlet port 22 to flow from venthole 12, make protective gas can protect the welding region.

The working principle is as follows: when a butt welding gun needs to be assembled, firstly, a tungsten needle body 3 is inserted into a connecting sleeve 16, the tungsten needle body 3 is sleeved with a cap, the connecting sleeve 16 is located in the middle of the tungsten needle body 3, a pressing cap 18 and the connecting sleeve 16 are screwed in a threaded connection mode, a conical surface 21 of the pressing cap 18 extrudes an inclined surface 20 of an elastic claw 17 in the screwing process of the pressing cap 18, the elastic claw 17 contracts inwards to clamp and fix the tungsten needle body 3, then a first spring 14 is sleeved on the outer portion of the tungsten needle body 3, the tungsten needle body 3 penetrates from the top of a barrel 1, the tungsten needle body 3 is inserted into a guide sleeve 13, then the adjusting block 4 and the barrel 1 are connected in a threaded mode, the top end of the tungsten needle body 3 is inserted into an insertion hole 9 of the adjusting block 4, then a blocking cap 7 sleeved on a rotary rod 5 is connected with the barrel 1 in a threaded mode, when the length of the tungsten needle body 3 extending out of the barrel 1 is adjusted, the knob 6 is rotated through the rotary rod 5, and then the adjusting block 4 is driven, and the tungsten needle body can move downwards, and the tungsten needle can be more conveniently extended out of the tungsten needle.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a welder of adjustable tungsten needle, its characterized in that, includes barrel (1), the inside of barrel (1) is provided with tungsten needle body (3), one side of barrel (1) is provided with connecting pipe (2), the external fixation of tungsten needle body (3) has blocking mechanism (8), the inner wall welding of barrel (1) has fender dish (11), tungsten needle body (3) activity is pegged graft in the inside of fender dish (11), spring (14) have been cup jointed to the outside of tungsten needle body (3), spring (14) are located between blocking mechanism (8) and fender dish (11), there is regulating block (4) inside of barrel (1) through threaded connection, the top outer wall of regulating block (4) is fixed with swing arm (5), the outside welding that the top of swing arm (5) extends to barrel (1) has knob (6), the outer wall of barrel (1) is provided with insulating layer (10).

2. The welding gun with the adjustable tungsten needle as claimed in claim 1, wherein an insertion hole (9) is formed in the outer wall of the bottom of the adjusting block (4), the top end of the tungsten needle body (3) is inserted into the insertion hole (9), a second spring (23) is arranged inside the gun barrel (1), and the second spring (23) is located between the adjusting block (4) and the blocking disc (11).

3. The welding gun with the adjustable tungsten needle according to claim 1, characterized in that the top of the gun barrel (1) is connected with a plugging cap (7) through screw threads, and the plugging cap (7) is sleeved outside the rotating rod (5).

4. The welding gun with the adjustable tungsten needle according to claim 1, wherein the blocking mechanism (8) comprises a circular ring (15), a connecting sleeve (16) is integrally formed at the top of the circular ring (15), contraction gaps (19) which are distributed in a central symmetry manner are arranged on the outer wall of the connecting sleeve (16), elastic claws (17) are naturally formed between every two adjacent contraction gaps (19), a pressing cap (18) is connected to the outer portion of the connecting sleeve (16) through threads, and both the pressing cap (18) and the connecting sleeve (16) are matched with the tungsten needle body (3).

5. The welding gun with the adjustable tungsten needle according to claim 4, characterized in that the outer wall of the top of the connecting sleeve (16) is provided with an inclined surface (20), and the inner wall of the top of the pressing cap (18) is provided with a conical surface (21) matched with the inclined surface (20).

6. The welding gun for the adjustable tungsten needle according to claim 1, wherein a guide sleeve (13) is integrally formed on the outer wall of the top of the baffle disc (11), the first spring (14) is sleeved outside the guide sleeve (13), and the tungsten needle body (3) is movably inserted inside the guide sleeve (13).

7. The welding gun with the adjustable tungsten needle according to claim 6, characterized in that the outer wall of the bottom of the baffle disc (11) is provided with air outlet holes (12) which are distributed in a central symmetry way, and the outer wall of one side of the gun barrel (1) is provided with an air inlet hole (22) which is matched with the connecting pipe (2).