CN218904056U - Welding protection cover and welding equipment comprising same - Google Patents

Abstract

The utility model relates to the technical field of welding protection covers, and specifically provides a welding protection cover and welding equipment comprising the welding protection cover. In order to solve the problem that the existing welding protective cover interferes with the parts in a narrow space, so that welding cannot be performed, the integrally formed welding protective cover of the utility model is provided with a welding gun access channel, and the first end of the welding protective cover is connected to the second end. The width gradually narrows during the formation process. The welding protective cover is set at the end of the welding torch. The welding torch can provide limit, anti-flash and gas protection during welding. The welding protective cover is set to a width gradually from the first end to the second end through 3D printing technology. It is narrowed so that it can be welded in the narrow space of the roof without interfering with the parts. At the same time, the welding protection cover is integrally formed to reduce the cost of processing and production.

Description

Welding shield and welding equipment comprising the same

technical field

The utility model relates to the technical field of welding protection covers, and specifically provides a welding protection cover and welding equipment comprising the welding protection cover.

Background technique

The aluminum roof of the car cannot be welded with T-shaped studs by the plant welding stud process (the function of the T-shaped nails can be used to install the aging of the roof in the assembly workshop, and it can be used together with plastic buckles), and the aluminum alloy stud welding equipment is welding During the process, a welding protective cover needs to be installed at the end of the welding torch to provide anti-flash, limit and gas protection, etc., but the conventional welding protective cover is machined, and multiple parts are processed by turning and finally assembled In general, the shape of a cylinder cannot be adapted to the welding of this narrow working condition, and the equipment and parts will interfere, so other solutions can only be used, but the cost of other solutions is relatively high, and pre-starting is required on the aluminum parts. The precision requirements for pre-drilling are very high, which has a great impact on subsequent production operations. In addition, the cost of fasteners is relatively high.

Correspondingly, there is a need for a new welding shield in the art to solve the problem that the existing welding shield interferes with the parts in a narrow space, so that welding cannot be performed.

Utility model content

The utility model aims to solve the above-mentioned technical problem, that is, to solve the problem that the existing welding protective cover interferes with parts in a narrow space, so that welding cannot be performed.

In the first aspect, the utility model provides a welding protection cover. The integrally formed welding protection cover is provided with a welding gun access channel, and the width of the welding protection cover is gradually narrowed during the formation process from the first end to the second end. .

In a preferred technical solution of the above welding shield, the outline of the first end of the welding shield is circular, and the outline of the second end is oblong.

In a preferred technical solution of the above-mentioned welding shield, an air channel is provided on the side wall of the welding torch inlet and outlet channel, and the air channel communicates with the welding torch inlet and outlet channel.

In a preferred technical solution of the above-mentioned welding shield, a strut seat is formed at the first end of the welding shield, and a strut is arranged on the strut seat.

In a preferred technical solution of the above welding shield, the opening width of the first end of the welding torch inlet and outlet channel is greater than the opening width of the second end.

In a preferred technical solution of the above welding shield, the outline of the first end of the welding shield is circular, and the outline of the second end is rectangular.

In a preferred technical solution of the above-mentioned welding shield, the cross-section of the welding torch inlet and outlet channel is oblong.

In the preferred technical solution of the above welding shield, the air passage is arc-shaped, converging from both sides of the welding torch inlet and outlet passage to the center.

In a preferred technical solution of the above welding shield, the width of the air outlet of the air channel is greater than the width of the air inlet of the air channel.

In a second aspect, the utility model also provides a welding device, which includes a welding torch, and the end of the welding torch is provided with the welding protection cover described in any one of the above technical solutions.

Those skilled in the art can understand that the integrally formed welding protection cover of the present invention is provided with a welding gun access channel, and the width of the welding protection cover gradually narrows during the formation process from the first end to the second end.

In the case of adopting the above-mentioned technical scheme, the welding protective cover of the present invention is arranged at the end of the welding torch, which can provide the functions of position limiting, anti-flash and gas protection during welding, and the welding protective cover is arranged from the first end to the During the forming process of the second end, the width is gradually narrowed, so that it can be welded in the narrow space of the roof without interfering with the parts. At the same time, the welding protection cover is integrally formed, which reduces the cost of processing and production.

Description of drawings

Describe preferred embodiment of the present utility model below in conjunction with accompanying drawing, in accompanying drawing:

Fig. 1 is the structural diagram of welding shield of the present utility model;

Fig. 2 is a schematic cross-sectional view of the welding shield of the present invention.

List of reference signs:

1. The access channel of the welding torch; 2. The first end of the welding protection cover; 3. The second end of the welding protection cover; 4. The gas channel; 5. The support rod seat; 51. The support rod.

Detailed ways

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the utility model, and are not intended to limit the protection scope of the utility model. Those skilled in the art can make adjustments as needed so as to adapt to specific applications. The welding protective cover of the utility model can be applied to welding equipment, and can also be applied to other equipment requiring welding protective covers other than welding equipment.

It should be noted that, in the description of the present utility model, terms such as "inner", "outer" and other indicated directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of description, and It is not to indicate or imply that the device or element must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In addition, it should be noted that in the description of the present utility model, unless otherwise specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

As shown in Figure 1, in order to solve the problem that the existing welding protective cover interferes with the parts in a narrow space, so that welding cannot be performed, the integrally formed welding protective cover of the present invention is provided with a welding torch access channel 1, and the welding protective cover The width of the first end 2 gradually narrows during the formation process from the first end 2 to the second end 3 of the welding shield. Referring to FIG. 1 , D1 shows the width of the welding shield.

The advantage of the above setting method is that the welding protective cover is arranged at the end of the welding torch, and the welding torch can provide the functions of position limit, anti-flash and gas protection during welding, and the welding protective cover is set from the first end to the second end through 3D printing technology. The width of the two ends is gradually narrowed during the forming process, so that it can be welded in the narrow space of the roof without interfering with the parts. At the same time, the welding protective cover is integrally formed, which reduces the cost of processing and production.

As shown in Figures 1 and 2, in a possible implementation, the integrated welding shield is provided with a welding gun access channel 1, and the first end 2 of the welding shield is connected to the second end 3 of the welding shield. During the forming process, the width is gradually narrowed, the outline of the first end 2 of the welding shield is circular, the outline of the second end 3 of the welding shield is oblong, the cross section of the welding torch inlet and outlet channel 1 is oblong, and the welding torch The side wall of the inlet and outlet channel 1 is provided with an air channel 4, which communicates with the welding torch inlet and outlet channel 1. The air channel 4 is arc-shaped and converges from both sides of the welding torch inlet and outlet channel 1 to the center. The arrow in Figure 2 shows the gas Further, the width of the air outlet of the air passage 4 is greater than the width of the air inlet of the air passage 4, and the first end 2 of the welding protective cover is also formed with a strut seat 5, and the first end of the welding gun access passage 1 The opening width of the opening is greater than the opening width of the second end, and the welding protective cover is integrally completed by metal 3D printing. Further, the strut base 5 is provided with a strut 51, and there are two struts 51. The strut base 5 is provided with a The supporting rod 51 is matched with the protrusion, and the supporting rod 51 is fixed on the protrusion. Further, the airway 4 is connected with a trachea. It should be noted that the utility model does not impose any restrictions on the structure of the strut 51, as long as the strut 51 can fix the welding protective cover, those skilled in the art can set it according to the needs. In addition, the number of struts 51 It can be one or more, and those skilled in the art can also set it as needed.

The advantage of the above arrangement is that the first end 2 of the welding protective cover has a circular profile, and the second end has an oblong profile. When the parts are welded, the oblong second end abuts on the vehicle body. Narrower than round and therefore more suitable for narrow welding spaces. Further, the air passage 4 communicates with the welding torch inlet and outlet channel 1, the air passage 4 is arc-shaped, and converges from both sides of the welding torch inlet and outlet passage 1 to the center, and the width of the air outlet of the air passage 4 is greater than the width of the air inlet of the air passage 4 , so that the gas can be collected at the outlet and diverge out of the air channel 4, and the shielding gas can be evenly sent to the stud welding position. Furthermore, the struts 51 on the welding shield serve to fix the welding shield on the welding equipment. By redesigning the welding protective cover, the utility model can use 3D printing to process the entire welding protective cover, and at the same time print out the internal airway structure as a whole, and optimize its direction, which can not be completed by machining. In this way, the shielding gas shield can be welded on narrow sides and small spaces, avoiding interference with parts. Because it is an integrated production, it has great advantages in cost, cycle, and later maintainability. , this structure can also be widely used in other welding positions, and can be individually designed and manufactured through metal 3D printing technology according to the actual situation.

To sum up, the welding protective cover is printed as a whole by 3D printing technology, and by optimizing its external shape to be suitable for the narrow welding space, the interference of parts is avoided, and the direction of the air channel 4 is optimized so that it can provide more Great protective airflow. Specifically, the profile of the first end 2 of the welding shield is circular, and the profile of the second end is oblong. The special-shaped structure is formed by 3D printing, and the airway 4 is printed together, which reduces the cost of machining compared to machining. The processing steps are simplified, so that the processing cost is greatly reduced, and at the same time, structures that are difficult to complete by machining can be completed. Further, the air passage 4 communicates with the welding torch inlet and outlet channel 1, the air passage 4 is arc-shaped, and converges from both sides of the welding torch inlet and outlet passage 1 to the center, and the width of the air outlet of the air passage 4 is greater than the width of the air inlet of the air passage 4 , so that the gas can be collected at the outlet and diverge out of the air channel 4, and the shielding gas can be evenly sent to the stud welding position.

As mentioned in the first paragraph of this section, the above-mentioned embodiments are only used to illustrate the principle of the present utility model, and are not intended to limit the scope of protection of the present utility model. Without departing from the principle of the present utility model, those skilled in the art can The above structure is adjusted so that the utility model can be applied to more specific application scenarios.

For example, in an alternative embodiment, the outline of the second end 3 of the welding shield can be other shapes such as oblong or rectangular or oval, and the outline of the first end 2 of the welding shield In addition to being circular, oval or square, etc., those skilled in the art can set it according to their needs. These adjustments do not deviate from the principle of the utility model, so they all fall within the protection scope of the utility model .

In an alternative embodiment, the width of the air outlet of the air channel 4 can also be equal to or smaller than the width of the air inlet of the air channel 4, and these adjustments do not deviate from the principle of the present utility model, and therefore all will fall within the scope of this invention. within the scope of protection of utility models. In addition, the number of air passages 4 can be one or more, such as two or three, etc., which can be set by those skilled in the art according to needs. The utility model does not impose any restrictions on the number of air passages 4, so All will fall within the protection scope of the present utility model. In addition, the gas channel 4 can be linear in addition to being arc-shaped, so that the flow direction of the gas is a straight line, and the gas channel 4 directly enters the welding torch in and out of the channel 1. These adjustments do not deviate from the utility model. Therefore, all will fall within the protection scope of the present utility model.

In an alternative embodiment, in addition to being fixed on the welding equipment through the brace 51, the welding shield can also be directly fixed without the brace seat 5 and the brace 51. For example, the welding shield can By drilling holes on the welding shield and welding equipment, fixing with bolts, or directly bonding and fixing the welding shield on the welding equipment, etc., those skilled in the art can set their own according to their needs, and these adjustments do not deviate from Principle of the utility model, therefore all will fall within the protection domain of the utility model.

In an alternative embodiment, the number of the welding torch access channel 1 can be one or more, which can be determined according to the specific structure of the welding equipment. The cross section of the welding torch access channel 1 can be oval , can also be circular or square, etc., so there is no restriction on the shape of the welding torch inlet and outlet channel 1, and those skilled in the art can set it by themselves according to needs, and these adjustments do not deviate from the principle of the utility model, so they will all fall into place. Into the scope of protection of the present utility model.

In addition, the utility model also provides a welding device, which includes a welding torch, and the end of the welding torch is provided with the welding protection cover described in any one of the above-mentioned embodiments.

So far, the technical solution of the utility model has been described in conjunction with the preferred implementations shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific implementations. On the premise of not departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the utility model.

Claims (8)

1. A welding protection cover, characterized in that, the integrally formed welding protection cover is provided with a welding torch access channel, and the width of the welding protection cover gradually narrows during the formation process from the first end to the second end; An air passage is provided on the side wall of the welding torch inlet and outlet passage, and the air passage communicates with the welding torch inlet and outlet passage; the width of the air outlet of the air passage is greater than the width of the air inlet of the air passage. 2. The welding shield according to claim 1, wherein the first end of the welding shield has a circular profile, and the second end has an oblong profile. 3 . The welding shield according to claim 2 , wherein a strut seat is formed at the first end of the welding shield, and a strut is arranged on the strut seat. 4 . 4 . The welding shield according to claim 1 , wherein the opening width of the first end of the welding torch inlet and outlet channel is larger than the opening width of the second end. 5. The welding shield according to claim 1, wherein the contour of the first end of the welding shield is circular, and the contour of the second end is rectangular. 6. The welding shield according to claim 1, characterized in that, the cross-section of the welding torch inlet and outlet channel is oblong. 7 . The welding shield according to claim 1 , wherein the air channel is arc-shaped, converging from both sides of the welding torch inlet and outlet channel to the center. 7 . 8. A welding device, characterized by comprising a welding torch, the end of the welding torch is provided with the welding protection cover according to any one of claims 1-7.

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