CN215787368U - Stud clamping device of stud welding equipment - Google Patents

Abstract

The utility model provides a stud clamping device of stud welding equipment, which comprises a clamping column body and a limiting member, wherein the side wall of the clamping column body is provided with a plurality of positioning holes penetrating through the wall thickness of the clamping column body, the distances from at least two positioning holes to the end part of the clamping column body are different, the limiting member is detachably connected in the positioning holes, and the limiting member is provided with a stopping part section extending in the clamping column body. The stud clamping device of the utility model can be used for switching studs with the same diameter and different standard lengths without adjusting other parameters, so that the clamping device does not need to be replaced, the welding technical parameters of stud welding equipment do not need to be adjusted, the efficiency is improved, and the welding quality is ensured.

Description

Stud clamping device of stud welding equipment

Technical Field

The utility model relates to the technical field of welding equipment, in particular to a stud clamping device of stud welding equipment.

Background

Generally, stud welding equipment adopts stud clamping devices with uniform specification and size, studs with the same diameter and size are used for the same clamping devices, studs with the same diameter and size but different lengths are formed, clamping positions on the stud clamping devices are different during welding, and accordingly protruding lengths of studs with the same diameter but different lengths are different. And the extending length of the stud directly influences the welding technical parameters and the welding quality of stud welding equipment during stud welding, if the extending size of studs with the same diameter and different lengths changes, the technical parameters of stud welding need to be changed and adjusted every time the studs with the same diameter and different lengths are welded, and the quality state after welding is reconfirmed.

The structure of the stud welding gun in the prior art to which the stud clamping device of the utility model is applied is shown in fig. 1, the stud welding gun should comprise a stud 300, a stud clamping device 100 ', a welding shield 500, a welding working surface 400 and other components, the connection relationship among the components is that the stud welding working surface 400 is vertically contacted with the welding shield 500, the stud clamping device 100' is arranged at the inner side of the welding shield 500, the stud 300 is clamped by the stud clamping device 100 ', the clamping depth is fixed, the extending length after clamping directly influences the welding technical parameters and the welding pressure, and influences the welding quality, the stud clamping device 100' in the prior art mostly adopts a sheet type clamping column body structure, no limit structure is arranged in the clamping column body, and for stud clamping with the same specification and size, the collection length can be determined according to the thread position to ensure the arc striking length during welding, however, when the stud clamp needs to be switched to a stud clamp with a different length and size, the stud clamp needs to be debugged again, which is specifically shown as follows: firstly, the extending length of a stud in a stud clamping device needs to be adjusted every time the stud is replaced; secondly, welding technical parameters need to be readjusted each time the stud is replaced; thirdly, after the adjustment is finished each time, the quality state of the stud after the adjustment needs to be confirmed again; fourth, the clamping device needs to be replaced each time the process is adjusted. The working process is complicated and is not beneficial to improving the production efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention is directed to a stud clamping device of stud welding equipment, which limits the length of a stud inserted into a clamping body by arranging a radial limiting member in the clamping body of the clamping device, so as to ensure that the distance between the end of the stud and the surface of a welding part is fixed when welding studs with the same diameter and different lengths, so that welding parameters do not need to be frequently adjusted when welding, and work efficiency is improved. The purpose of the utility model is realized by the following technical scheme:

the utility model provides a stud clamping device of stud welding equipment, which comprises a clamping column body and a limiting member, wherein the side wall of the clamping column body is provided with a plurality of positioning holes penetrating through the wall thickness of the clamping column body, the distances from at least two positioning holes to the end part of the clamping column body are different, the limiting member is detachably connected in the positioning holes, and the limiting member is provided with a stopping part section extending in the clamping column body.

Furthermore, the side wall of the clamping column body is at least provided with 3 positioning holes with different distances from the end part of the clamping column body.

Furthermore, the locating hole comprises a threaded hole, the limiting component comprises a jackscrew, and an external thread matched with the threaded hole is arranged on the jackscrew.

Furthermore, the stop part section of the jackscrew extending in the clamping column body is not smaller than the radius length in the clamping column body along the radial extending direction of the clamping column body.

Furthermore, the stopping part section is provided with a butting end with the circumferential dimension gradually shrinking to the part along the axial direction, and a butting hole matched with the structure of the butting end of the jackscrew is arranged on the inner wall of a second wall clamp which is arranged on the clamping column body and is radially opposite to the first wall clamp forming the threaded hole.

Furthermore, a receiving hole is formed in a second wall clamp, which is arranged on the clamp column body and is opposite to the first wall clamp in the radial direction, of the positioning hole, the receiving hole penetrates through the thickness of the second wall clamp, and the length of the jackscrew is not smaller than the distance between the outer wall of the first wall clamp and the outer wall of the second wall clamp.

Further, the jackscrew has a first end portion, a stopping portion section and a second end portion, the terminal surface of the first end portion is detained outside the first wall clamp, and the terminal surface of the second end portion extends beyond the second wall clamp outer side wall.

Furthermore, an inner hexagonal blind hole is formed in the jackscrew, so that the jackscrew can be conveniently screwed into the clamping column body by an inner hexagonal wrench.

The utility model has the beneficial effects that:

(1) the limiting member is transversely arranged in the through hole of the clamping column body of the stud clamping device, and the limiting member radially transversely penetrates through the through hole in the clamping column body to limit the axial extension length of the stud in the through hole of the clamping column body, so that the stud clamped by the stud clamping device has the same arc striking length, and other parameters do not need to be adjusted when the three studs with the same diameter and different standard lengths are switched, therefore, the clamping device does not need to be replaced, welding technical parameters of stud welding equipment do not need to be adjusted, the efficiency is improved, and the welding quality is ensured.

(2) The utility model has simple structure, saves the working hours of multiple times of adjustment, does not need to replace a stud clamping device, ensures the welding quality and improves the working efficiency.

Drawings

FIG. 1 is a schematic view of a stud clamping apparatus for stud welding;

FIG. 2 is a schematic view of a stud clamping tool of the present invention;

FIG. 3 is a schematic bottom view of the stud clamping tool of FIG. 2;

FIG. 4 is a schematic drawing of a jackscrew according to the present invention;

FIG. 5 is a left side view of the jack screw of FIG. 4;

FIG. 6 is a schematic view of a stud clamping tool embodying the present invention;

in the figure:

100-clamping a column body; 121-a first receiving aperture; 220-butting end;

110-a first wall clip; 122-a second receiving aperture; 300-a stud;

111-a first locating hole; 123-a third receive aperture; 400-welding a working face;

112-a second positioning hole; 200-top thread; 500-welding a shield;

113-a third positioning hole 210-a hexagonal blind hole; 100' -stud clamping device.

120-a second wall clip;

Detailed Description

The technical solution of the preferred embodiment of the stud clamping device of the stud welding equipment according to the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the following description, the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Example 1:

the embodiment provides a stud clamping device of stud welding equipment, which comprises a clamping stud body 100 and a limiting member, wherein three threaded positioning holes, namely a first positioning hole 111, a second positioning hole 112 and a third positioning hole 113, penetrating through the wall thickness of a first wall clamp 110 of the clamping stud body 100 are arranged on the first wall clamp 110 of the clamping stud body, as shown in fig. 2 and fig. 3, the distances from the stud clamping end parts of the three positioning holes are respectively a first height h1, a second height h2 and a third height h3, in the embodiment, the positioning hole positions are determined according to the lengths of commonly used three standard sizes of studs, and the standard is that when the stud clamping device switches studs clamped by the stud clamping device, studs with three lengths of short, medium and long can be clamped by the first height h1, the second height h2 and the third height h3 respectively, so as to ensure that the sizes of the three lengths of remaining studs are the same outside the clamping stud body 100, thereby ensuring that different studs can have the same arc striking length H when being switched; the limiting component comprises a jackscrew 200, and an external thread matched with the internal thread of the threaded positioning hole is arranged on the jackscrew 200 so as to enable the jackscrew to be screwed into the threaded positioning hole.

In the illustrated embodiment, the second wall clip 120 of the clip column body 100, which is diametrically opposite to the first wall clip 110 forming the positioning hole, is provided with a first receiving hole 121, a second receiving hole 122 and a third receiving hole 123 corresponding to the first positioning hole 111, the second positioning hole 112 and the third positioning hole 113, the receiving holes penetrate through the thickness of the second wall clip 120, and the length of the jackscrew is not less than the distance from the outer wall of the first wall clip to the outer wall of the second wall clip. When the bolt is used, the position where the jackscrew 200 needs to be arranged is determined according to the length of a stud needing to be welded, then the second end of the jackscrew 200 is screwed into a selected threaded positioning hole from the first wall clamp 110 and is screwed out from a corresponding receiving hole after transversely penetrating through a through hole of a clamping column body along the radial direction, finally, the first end part of the jackscrew is reserved outside the first wall clamp 110, the end face of the second end part extends out of the outer side wall of the second wall clamp, and a stopping part stopping in the through hole of the clamping column body is arranged between the first end part and the second end part.

In a preferred embodiment, the second end of the top thread 200 has a butting end 220 with a circumferential dimension gradually shrinking to the portion along the axial direction, and the first end of the top thread 200 is provided with a hexagon socket blind hole 210, as shown in fig. 4 and 5, through which a hexagon socket wrench can be conveniently screwed into the threaded positioning hole of the clamping column body 100.

In a preferred embodiment, the first positioning hole 111, the second positioning hole 112 and the third positioning hole 113 may be identical structures, and all positioning holes can be matched by using the same jackscrew 100, so as to save production cost.

In another preferred embodiment, the first positioning hole 111, the second positioning hole 112 and the third positioning hole 113 may be threaded holes with different diameters, and each threaded positioning hole is adapted to a jackscrew with different diameters, so as to reduce or avoid mis-assembly when switching the limiting position, which affects the production efficiency.

In this embodiment, a new stud clamping device is manufactured for studs of the same size and different lengths: according to the length of the commonly used studs with three standard sizes, jackscrews serving as limiting members are transversely arranged in through holes of a clamping column body 100 of the novel stud clamping device, the jackscrews radially transversely penetrate through the clamping column body 100 to limit the axial extension length of the studs in the through holes of the clamping column body, and the limit principle is realized as shown in fig. 6.

Example 2:

the present embodiment provides a stud clamping device of stud welding equipment, which has a design principle similar to that of embodiment 1, and is different in that no receiving hole is provided on the second wall clip 120 radially corresponding to the first wall clip 110, but an abutting hole capable of receiving the second end face of the jackscrew 200 is provided on the inner side wall of the second wall clip 120, the abutting hole is a blind hole structure which does not penetrate through the second wall clip, and when in use, the jackscrew is continuously screwed into the threaded positioning hole of the clamping stud and is finally abutted in the abutting hole, so as to limit the axial dimension of the clamping stud.

In another embodiment, the top wire 200 is screwed only into the through hole of the clamping column body without abutting against the second wall clip, and the object of the present invention can be achieved only by the embodiment having the abutting hole or the receiving hole, and the stopper section extending in the clamping column body in such an arrangement that the length of the stopper section is not less than the length of the radius in the clamping column body in the direction in which the stopper section extends in the clamping column body in the radial direction.

In another embodiment, the stopper may not adopt the above-mentioned jackscrew structure, for example, the connection mode of the jackscrew, the positioning hole, the receiving hole or the abutting hole may be replaced by a structure matched with a prismatic pin body, a groove body and the like in a key groove fit manner, or an inserting piece type stopper may be adopted, as long as the stopper can form a radial stop in the through hole of the clamping main body, so as to achieve the object of the present invention.

In other embodiments, the number of the positioning holes is not limited to 3, and may be two or four or more, as long as the distance from at least two positioning holes among the plurality of positioning holes to the end of the clamping column body is different, the limiting member is detachably connected in the positioning holes, the limiting member has a stopping section extending in the clamping column body, so that the lengths of the studs correspondingly limited by the positioning holes extending beyond the clamping end of the clamping column body 100 are the same, thereby ensuring that the arc striking lengths H formed are the same, and all the technical solutions for achieving the object of the present invention can be used.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, while the utility model has been described in detail with reference to the foregoing preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the utility model as defined by the appended claims; the sizes in the drawings and the embodiments are not related to specific objects, and are not used for limiting the protection scope of the utility model, and the sizes of the objects can be selected and changed according to actual needs.

Claims (8)

1. The stud clamping device of the stud welding equipment is characterized by comprising a clamping column body and a limiting member, wherein a plurality of positioning holes penetrating through the wall thickness of the clamping column body are formed in the side wall of the clamping column body, the distances from at least two positioning holes to the end part of the clamping column body are different, the limiting member is detachably connected in the positioning holes, and the limiting member is provided with a stopping part section extending in the clamping column body.

2. The stud clamping device of stud welding equipment according to claim 1, characterized in that the side wall of the clamping column body is provided with at least 3 positioning holes with different distances from the end of the clamping column body.

3. The stud clamping device of stud welding equipment according to claim 1, characterized in that the locating hole comprises a threaded hole, the limiting member comprises a jackscrew, and an external thread matched with the threaded hole is arranged on the jackscrew.

4. The stud clamping device of stud welding equipment according to claim 3, characterized in that a stopper section of the jackscrew extending inside the clamping stud body extends in a direction along a radial direction of the clamping stud body to be not less than a radial length inside the clamping stud body.

5. The stud clamping device of stud welding equipment according to claim 4, characterized in that the stopping section has a butting end whose circumferential dimension gradually shrinks toward the portion along the axial direction, and an abutting hole adapted to the structure of the butting end of the jackscrew is arranged on the inner wall of a second wall clamp on the clamping post body, which is radially opposite to the first wall clamp forming the threaded hole.

6. The stud clamping device of stud welding equipment according to claim 4, characterized in that a receiving hole is arranged on a second wall clamp on the clamp column body, which is opposite to the first wall clamp forming the positioning hole in the radial direction, the receiving hole penetrates through the thickness of the second wall clamp, and the length of the jackscrew is not less than the distance from the outer wall of the first wall clamp to the outer wall of the second wall clamp.

7. The stud clamping device of a stud welding apparatus according to claim 6, wherein the jackscrew has a first end, a stop section, and a second end, an end face of the first end residing outside the first wall clamp, an end face of the second end extending beyond the second wall clamp outer side wall.

8. The stud clamping device of stud welding equipment according to claim 3, characterized in that a hexagonal socket blind hole is provided in the jackscrew.

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