CN215545737U - Welding head with cooling air duct - Google Patents
Welding head with cooling air duct Download PDFInfo
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- CN215545737U CN215545737U CN202120810399.5U CN202120810399U CN215545737U CN 215545737 U CN215545737 U CN 215545737U CN 202120810399 U CN202120810399 U CN 202120810399U CN 215545737 U CN215545737 U CN 215545737U
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- welding head
- electrode tip
- strip
- shaped groove
- guide block
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Abstract
The utility model discloses a welding head with a cooling air duct, which comprises a welding head body and an electrode tip, wherein the welding head body is provided with a cooling air duct; the welding head body is a T-shaped component and comprises a connecting plate with the upper part horizontally arranged and a pressing plate with the lower part vertically arranged, and the middle part of the connecting plate is provided with a connecting screw hole with a central axis vertically arranged; the electrode tip is fixedly connected to the lower end surface of the pressing plate; the middle part of the welding head pressing plate is provided with an air channel of which the upper end is communicated with the connecting screw hole and the lower end penetrates through the lower end surface of the pressing plate; the further improvement lies in that: a strip-shaped groove is formed in the lower end face of the welding head pressing plate beside the electrode tip; the central axis of the strip-shaped groove in the length direction is on the same line with the central axis of the electrode tip; the strip-shaped groove is internally provided with an air guide block; the air guide block is fixedly connected to one end, far away from the electrode tip, of the strip-shaped groove; one end of the air guide block close to the electrode tip is provided with an arc or plane end face facing obliquely upwards; the lower end of the air duct is communicated with the strip-shaped groove and is opposite to the arc or plane end face of one end, close to the electrode tip, of the air guide block, facing obliquely upwards. The utility model avoids the overheating phenomenon and ensures normal welding.
Description
Technical Field
The utility model relates to the technical field of welding, in particular to a resistance welding head.
Background
Resistance welding is a method of welding by applying pressure while locally heating a workpiece by using resistance heat generated by passing a current through the workpiece and a contact portion as a heat source. The welding head adopted by the resistance welding is very important for the resistance welding, and the existing resistance welding head comprises a welding head body and an electrode tip, wherein the electrode tip is fixedly connected to the lower end face of the welding head body. The electrode tip is simple in structure, but when the electrode tip is used, a large amount of heat generated by the electrode tip cannot be timely dissipated, overheating is easy to occur, and normal welding is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the welding head with the cooling air duct, which avoids the overheating phenomenon and ensures the normal welding.
The utility model achieves the technical aim through the following technical scheme.
The welding head is provided with a cooling air duct and comprises a welding head body and an electrode tip; the welding head body is a T-shaped component and comprises a connecting plate with the upper part horizontally arranged and a pressing plate with the lower part vertically arranged, the middle part of the connecting plate is provided with a connecting screw hole with a central axis vertically arranged, and the periphery of the connecting screw hole is provided with a plurality of positioning holes; the electrode tip is fixedly connected to the lower end surface of the pressing plate; the improvement is that: the middle part of the pressure plate of the welding head body is provided with an air duct, the upper end of the air duct is communicated with the connecting screw hole, and the lower end of the air duct penetrates through the lower end face of the pressure plate.
Preferably, the lower end face of the welding head pressing plate is provided with a strip-shaped groove beside the electrode head; the central axis of the strip-shaped groove in the length direction is on the same line with the central axis of the electrode tip; the strip-shaped groove is internally provided with an air guide block; the air guide block is fixedly connected to one end, far away from the electrode tip, of the strip-shaped groove; one end of the air guide block, which is close to the electrode tip, is provided with an arc or plane end face which faces to the obliquely upper part; the lower end of the air duct is communicated with the strip-shaped groove and is opposite to the arc or plane end face of one end, close to the electrode tip, of the air guide block, and the end face faces obliquely upwards.
Preferably, the air guide block is inserted into the strip-shaped groove in a clearance fit manner; be equipped with the round pin, through the round pin with wind guide block fixed connection in clamp plate bar recess.
Compared with the prior art, the utility model has the following positive effects:
1. the middle part of the pressure plate of the welding head body is provided with an air duct, the upper end of the air duct is communicated with the connecting screw hole, and the lower end of the air duct penetrates through the lower end face of the pressure plate.
2. The lower end face of the welding head pressing plate is provided with a strip-shaped groove beside the electrode tip, a wind guide block is arranged in the strip-shaped groove, one end, close to the electrode tip, of the wind guide block is provided with an arc or plane end face facing the oblique upper side, the lower end of the wind channel is communicated with the strip-shaped groove, and the arc or plane end face, close to one end, facing the oblique upper side, of the wind guide block is opposite to the arc or plane end face, close to one end, close to the electrode tip, of the wind guide block. Thus, when the utility model is used, the air introduced from the connecting screw hole blows downwards from the air duct, blows to the arc or plane end face of the end of the air guide block close to the electrode tip and facing obliquely upwards, is guided by the arc or plane end face of the end of the air guide block close to the electrode tip and facing obliquely upwards, and blows to the electrode tip, thereby further improving the cooling effect of the electrode tip.
3. The air guide block is inserted into the strip-shaped groove in a clearance fit mode, a pin is arranged, and the air guide block is fixedly connected into the pressing plate strip-shaped groove through the pin. Thus, the air guide block is convenient to replace.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a cross-sectional view taken along line B-B of fig. 2.
Fig. 5 is a view from a in fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The welding head provided with the cooling air duct shown in the attached drawing comprises a welding head body 1 and an electrode head 2; the welding head body 1 is a T-shaped component and comprises a connecting plate 11 with a horizontally arranged upper part and a vertically arranged lower pressing plate 12, a connecting screw hole 13 with a vertically arranged central axis is arranged in the middle of the connecting plate 11, and 4 positioning holes 14 (2-3 or more than 4 positioning holes 14 are arranged in other embodiments) are arranged around the connecting screw hole 13; the electrode head 2 is made of high-melting-point metal such as copper, tungsten, molybdenum, alloy and the like and is fixedly connected to the lower end face of the pressing plate 12.
The middle part of the pressure plate 12 of the welding head body 1 is provided with an air duct 15, the upper end of the air duct is communicated with the connecting screw hole 13, and the lower end of the air duct penetrates through the lower end face of the pressure plate 12.
A strip-shaped groove 16 is arranged on the lower end surface of the pressure plate 12 of the welding head body 1 beside the electrode head 2; the central axis of the strip-shaped groove 16 in the length direction is on the same line with the central axis of the electrode head 2; the strip-shaped groove 16 is internally provided with an air guide block 3; the air guide block 3 is inserted into one end of the strip-shaped groove 16 far away from the electrode tip 2 in a clearance fit manner; a pin 4 is arranged, and the air guide block 3 is fixedly connected in the strip-shaped groove 16 of the pressure plate 12 through the pin 4 (in other embodiments, the air guide block 3 can be fixedly connected at one end, far away from the electrode head 2, in the strip-shaped groove 16 in other manners); an arc-shaped end face facing obliquely upward is arranged at one end, close to the electrode tip 2, of the air guide block 3 (in other embodiments, a flat-type end face facing obliquely upward is arranged at one end, close to the electrode tip 2, of the air guide block 3); the lower end of the air duct 15 is communicated with a strip-shaped groove 16 and is opposite to the arc or plane end face of one end of the air guide block 3 close to the electrode tip 2 and facing obliquely upwards.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (3)
1. A welding head with a cooling air duct comprises a welding head body (1) and an electrode tip (2); the welding head body (1) is a T-shaped component and comprises a connecting plate (11) with the upper portion horizontally arranged and a pressing plate (12) with the lower portion vertically arranged, a connecting screw hole (13) with a central axis vertically arranged is formed in the middle of the connecting plate (11), and a plurality of positioning holes (14) are formed in the periphery of the connecting screw hole (13); the electrode tip (2) is fixedly connected to the lower end face of the pressing plate (12); the method is characterized in that: the middle part of the pressure plate (12) of the welding head body (1) is provided with an air duct (15) of which the upper end is communicated with the connecting screw hole (13) and the lower end penetrates through the lower end face of the pressure plate (12).
2. The welding head provided with the cooling air duct according to claim 1, wherein: a strip-shaped groove (16) is formed in the lower end face of the pressure plate (12) of the welding head body (1) beside the electrode tip (2); the central axis of the strip-shaped groove (16) in the length direction is on the same line with the central axis of the electrode head (2); the strip-shaped groove (16) is internally provided with an air guide block (3); the air guide block (3) is fixedly connected to one end, far away from the electrode tip (2), of the strip-shaped groove (16); one end of the air guide block (3) close to the electrode tip (2) is provided with an arc or plane end face facing to the obliquely upper part; the lower end of the air duct (15) is communicated with the strip-shaped groove (16) and is opposite to the arc or plane end face of one end, close to the electrode tip (2), of the air guide block (3) and facing to the oblique upper part.
3. The welding head provided with the cooling air duct according to claim 2, wherein: the air guide blocks (3) are inserted into the strip-shaped grooves (16) in a clearance fit manner; the air guide block (3) is fixedly connected in the strip-shaped groove (16) of the pressure plate (12) through the pin (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120810399.5U CN215545737U (en) | 2021-04-20 | 2021-04-20 | Welding head with cooling air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120810399.5U CN215545737U (en) | 2021-04-20 | 2021-04-20 | Welding head with cooling air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215545737U true CN215545737U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120810399.5U Active CN215545737U (en) | 2021-04-20 | 2021-04-20 | Welding head with cooling air duct |
Country Status (1)
| Country | Link |
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| CN (1) | CN215545737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116689900A (en) * | 2023-04-06 | 2023-09-05 | 泰州天科电源系统有限公司 | Series-parallel welding process for soft package lithium battery modules |
-
2021
- 2021-04-20 CN CN202120810399.5U patent/CN215545737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116689900A (en) * | 2023-04-06 | 2023-09-05 | 泰州天科电源系统有限公司 | Series-parallel welding process for soft package lithium battery modules |
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