CN218193276U - Welding tool - Google Patents

Abstract

The application discloses welding frock relates to machining technical field, can improve the preparation efficiency of filling head base, promotes the quality of filling head base. The application discloses welding frock includes base and two first locating component groups. The base is provided with a first axis along a first direction, and the two first positioning element groups are arranged on the base and are symmetrically arranged relative to the first axis. The first positioning member set includes two support plates and a first positioning shaft. The backup pad is connected with the base, is equipped with the mounting hole in the backup pad, and the axis of mounting hole is along first direction. The first positioning shaft is arranged in the mounting holes of the two support plates and can move along the axial direction of the mounting holes. The application discloses welding frock is used for making the filling head base.

Description

Welding tool

Technical Field

The application relates to the technical field of machining, especially, relate to a welding frock.

Background

With the progress of the technology, coiled tubing operation equipment has the advantages of small equipment volume, high operation speed, low cost and the like, and is widely applied to field operation at home and abroad.

Coiled tubing injector heads are important pieces of coiled tubing operations equipment, while the injector head base is a critical component of the injector head. At present, the injection head base is manufactured by adopting manual placing and welding modes. However, manufacturing the injector head base in this manner is inefficient; moreover, the quality of the manufactured injection head base is poor.

SUMMERY OF THE UTILITY MODEL

The application provides a welding frock can improve the preparation efficiency of injection head base, promotes the quality of injection head base.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the embodiment of the application provides a welding frock, welding frock is used for making the injection head base, welding frock includes base and two first locating component groups.

The base is provided with a first axis along a first direction, and the two first positioning element groups are arranged on the base and symmetrically arranged relative to the first axis. The first positioning member set comprises two supporting plates and a first positioning shaft. The backup pad with the base is connected, be equipped with the mounting hole in the backup pad, the axis of mounting hole is followed first direction. The first positioning shaft is arranged in the mounting holes of the two support plates and can move along the axial direction of the mounting holes.

In some embodiments, the first positioning member set further comprises two bushings. The two shaft sleeves are respectively and correspondingly arranged in the mounting holes of the two supporting plates and are fixedly connected with the corresponding supporting plates. Two ends of the shaft sleeve respectively extend to two sides of the corresponding supporting plate. The first positioning shaft is positioned in the two shaft sleeves and can move along the axial direction of the shaft sleeves.

In some embodiments, the base has a second axis along a second direction, the second direction being perpendicular to the first direction. The welding tool further comprises two second positioning piece groups, and the two second positioning piece groups are arranged on the base and are symmetrically arranged relative to the second axis. The second positioning element group comprises a first fastening element, a first limiting element, a second fastening element and a second limiting element. The first fastener is located on one side, away from the second axis, of the first limiting part, the two shaft sleeves are located between end faces, away from each other, of the first limiting part of one of the second positioning part groups and the first limiting part of the other second positioning part group, and the two first positioning part groups are located between the second fastener and the second limiting part.

In some embodiments, the first fastener includes a first support post, a first nut, and a first bolt. The first supporting column is fixedly connected with the base. The first nut and one end, far away from the base, of the first supporting column are fixedly connected. The first bolt is in threaded connection with the first nut, and the axis of the first bolt is along a first direction.

In some embodiments, the second fastener includes a second support post, a second nut, and a second bolt. The second support column is fixedly connected with the base. The second nut is fixedly connected with one end, far away from the base, of the second supporting column. The second bolt is in threaded connection with the second nut, and the axis of the second bolt is along a second direction.

In some embodiments, the welding tooling further comprises two third positioning member sets. The two third positioning element groups are arranged on the base and are symmetrically arranged relative to the first axis. The third positioning group comprises two positioning columns, and two end faces, close to each other, of the first fastening piece of one second positioning group and the first fastening piece of the other second positioning group are located between the two positioning columns.

In some embodiments, the positioning post is detachably connected with the base.

In some embodiments, the positioning column is provided with a positioning hole, and an axis of the positioning hole is along the second direction. The third positioning element group further comprises two second positioning shafts, and the two second positioning shafts are respectively and correspondingly arranged in the positioning holes of the two positioning columns and can move along the axial direction of the positioning holes.

In some embodiments, the first positioning member set further includes two reinforcing plates disposed between the two support plates, one for each support plate. The reinforcing plate is fixedly connected with the supporting plate and the base.

In some embodiments, the welding tool further comprises a support leg, and the support leg is arranged on one side of the base, which is far away from the first positioning group.

The welding frock that this disclosed embodiment provided includes two first locating element groups, when making the injection head base, can wear to locate the first locating shaft of first locating element group with the otic placode that is used for connecting the blowout prevention box fixing base to locating the connecting hole on the otic placode, the axis coincidence of the connecting hole that makes a plurality of otic placodes, thereby realize the coaxial setting of the connecting hole of a plurality of otic placodes. Compare in prior art, adopt the manual work to put and welded mode preparation injection head base, adopt the welding frock in this application to make the injection head base, in the manufacturing process, need not to do measurement and adjustment repeatedly to the position of otic placode, only need wear to locate the first locating shaft of first locating piece group with above-mentioned otic placode on, can realize the coaxial setting of the connecting hole of a plurality of otic placodes. Therefore, the manufacturing efficiency of the injection head base can be improved. In addition, during welding, the first positioning shaft can prevent the position of the connecting hole on the lug plate from shifting; therefore, the position accuracy of the connecting hole can be improved, and the quality of the base of the injection head is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a block diagram of a base of a related art injector head;

FIG. 2 is a block diagram of a welding tool provided in some embodiments of the present application;

FIG. 3 is a block diagram of a welding tool and injector head base provided in accordance with certain embodiments of the present application;

FIG. 4 is an enlarged view of a welding tooling provided in some embodiments of the present application at a bushing;

FIG. 5 is an enlarged view of a weld fixture at a first fastener provided by some embodiments of the present application;

FIG. 6 is an enlarged view of a welding tool at a second fastener provided by some embodiments of the present application.

Reference numerals:

100-an injector head base; 200-welding a tool; 1-a first rectangular tube; 2-a second rectangular tube; 3-installing a pipe assembly; 31-installing a tube; 32-avoiding holes; 4-an ear plate assembly; 41-a first ear plate; 42-a second ear plate; 43-connecting hole; 5-a base; 51-a frame; 511-square tube; 52-support tube; 6-a first positioning member group; 61-a support plate; 62-a first positioning axis; 63-shaft sleeve; 64-a reinforcing plate; 7-a second set of positioning elements; 71-a first fastener; 711-a first support column; 712-a first nut; 713-first bolt; 72-a first stop; 73-a second fastener; 731-second support column; 732-a second nut; 733 — second bolt; 74-second stop; 8-a third set of positioning elements; 81-positioning columns; 82-a connecting plate; 83-a second positioning shaft; 9-support leg.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

It should be noted that in practical applications, due to the limitation of the precision of the device or the installation error, the absolute parallel or perpendicular effect is difficult to achieve. In the present application, the description of "perpendicular", "parallel" or "same direction" is not an absolute limitation, but means that a perpendicular or parallel structural arrangement can be achieved within a preset error range, and a corresponding preset effect is achieved, so that the technical effect of limiting the features can be maximally achieved, and the corresponding technical scheme is convenient to implement and has high feasibility. For example, "perpendicular" includes absolute perpendicular and approximately perpendicular, where an acceptable deviation from approximately perpendicular may also be within 5 °, for example. "parallel" includes absolute parallel and approximately parallel, wherein an acceptable deviation from approximately parallel may also be, for example, within 5 °. "co-directional" includes absolute co-directional and approximately co-directional, wherein an acceptable deviation range for approximately co-directional may also be, for example, a deviation within 5 °.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the embodiments of the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, the words "exemplary" or "such as" are used herein to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "such as" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

With the increasing application of coiled tubing equipment in well site operations at home and abroad, the manufacturing efficiency and the manufacturing cost of coiled tubing injection heads are also receiving more and more attention. The base of the injection head is a key part of the continuous oil pipe injection head, and is the research and development focus of various manufacturers.

As shown in fig. 1, the related art provides a filler head base 100, and the filler head base 100 includes two first rectangular tubes 1 disposed opposite to each other and two second rectangular tubes 2 disposed opposite to each other.

Wherein the axis of the first rectangular pipe 1 is perpendicular to the axis of the second rectangular pipe 2. The second rectangular pipe 2 is arranged on one side of the first rectangular pipe 1 and is fixedly connected with the first rectangular pipe 1.

The injection head base 100 further comprises two opposite installation pipe 31 assemblies 3, and the two installation pipe 31 assemblies 3 are respectively arranged on one sides of the two first rectangular pipes 1, which are far away from each other. Each installation pipe 31 assembly 3 corresponds to one first rectangular pipe 1 and is fixedly connected with the corresponding first rectangular pipe 1.

The installation pipe 31 assembly 3 comprises two installation pipes 31, and the two installation pipes 31 are arranged along the axial direction of the first rectangular pipe 1 at intervals. Wherein the axis of the mounting tube 31 is perpendicular to the axis of the first rectangular tube 1, and the axis of the mounting tube 31 is also perpendicular to the axis of the second rectangular tube 2.

The installation pipe 31 is provided with a avoiding hole 32, and the axis of the avoiding hole 32 is parallel to the axis of the first rectangular pipe 1.

On this basis, the above-mentioned injector head base 100 further includes two lug plate assemblies 4 that are arranged oppositely, and the lug plate assemblies 4 are used for connecting the blowout preventer mounting base. The two ear plate assemblies 4 are respectively arranged on one sides of the two second rectangular tubes 2, which are close to each other. Each ear plate component 4 corresponds to one second rectangular tube 2 and is fixedly connected with the corresponding second rectangular tube 2.

The ear plate assembly 4 comprises two first ear plates 41 and two second ear plates 42. Wherein, two first otic placodes 41 respectively with two first rectangular pipe 1 surfaces close to each other lean on, two second otic placodes 42 set up between two first otic placodes 41. Each first ear plate 41 corresponds to one second ear plate 42, and is spaced from the corresponding second ear plate 42 by a predetermined distance. The first ear plate 41 and the second ear plate 42 are both provided with connecting holes 43, and the axes of the connecting holes 43 on the two first ear plates 41 and the two second ear plates 42 of the same ear plate assembly 4 are superposed.

Referring to fig. 2 and 3, the present application provides a welding tool 200, and the welding tool 200 is used for manufacturing the injector head base 100. The welding tool 200 includes a base 5 and two first positioning members 6.

The base 5 has a first axis along a first direction, and the two first positioning element sets 6 are disposed on the base 5 and symmetrically disposed with respect to the first axis. The first positioning member set 6 includes two support plates 61 and a first positioning shaft 62. The supporting plate 61 is connected with the base 5, a mounting hole is formed in the supporting plate 61, and the axis of the mounting hole is along the first direction. The first positioning shaft 62 is disposed in the mounting holes of the two support plates 61 and is movable in the axial direction of the mounting holes.

Illustratively, the supporting plate 61 is fixedly connected with the base 5, that is, the relative positions of the supporting plate 61 and the base 5 are fixed, and the supporting plate 61 cannot move relative to the base 5. It should be noted that the first positioning shaft 62 is movable in the axial direction of the mounting hole and is separated from the support plate 61. That is, the first positioning shaft 62 can be completely withdrawn from the mounting hole. In this way, after the first positioning shaft 62 is used to coaxially arrange the connection hole 43 in the lug plate, the first positioning shaft 62 can be pulled out from the mounting hole, so that the injector head base 100 and the welding jig 200 can be easily separated from each other.

Illustratively, the base 5 includes a frame 51 and two support tubes 52. The frame 51 includes four square tubes 511, and the four square tubes 511 are connected to each other to form a rectangular frame. The rectangular frame may be used to support the first and second rectangular tubes 1 and 2 of the injector head base 100. The two support pipes 52 are disposed opposite to each other and are located in the frame 51. Both ends of the support tube 52 abut against the frame 51 and are fixedly connected with the frame 51. On this basis, the two first positioning members may be respectively disposed on the two support pipes 52. Arranged in this way, the base 5 is simple in construction, easy to implement and requires less material.

The welding tool 200 provided by the embodiment of the present disclosure includes two first positioning element sets 6, and when the injector head base 100 is manufactured, the lug plate for connecting the blowout preventer fixing seat can be inserted into the first positioning shaft 62 of the first positioning element set 6, so as to position the connection holes 43 on the lug plate, and the axes of the connection holes 43 of the plurality of lug plates are overlapped, thereby realizing the coaxial arrangement of the connection holes 43 of the plurality of lug plates. Compare in prior art, adopt the manual work to put and welded mode preparation injection head base 100, adopt welding frock 200 in this application to make injection head base 100, in the manufacturing process, need not to do measurement and adjustment repeatedly to the position of otic placode, only need wear to locate on the first locating shaft 62 of first locating component group 6 with above-mentioned otic placode, can realize the coaxial setting of the connecting hole 43 of a plurality of otic placodes. Thus, the manufacturing efficiency of the injector head base 100 can be improved. In addition, the first positioning shaft 62 can prevent the position of the connecting hole 43 on the ear plate from shifting during welding; thus, the positional accuracy of the connection hole 43 can be improved, thereby improving the quality of the injector head base 100.

In some embodiments, referring to fig. 4, the first set of locating elements 6 further includes two bushings 63. The two shaft sleeves 63 are respectively and correspondingly arranged in the mounting holes of the two support plates 61 and fixedly connected with the corresponding support plates 61. Both ends of the sleeve 63 extend to both sides of the corresponding support plate 61, respectively. The first positioning shaft 62 is located in the two bushings 63 and is movable in the axial direction of the bushings 63.

With this arrangement, when the injection head base 100 is manufactured, the first ear plate 41 and the second ear plate 42 can abut against two ends of one shaft sleeve 63, respectively, and the preset distance from the first ear plate 41 to the second ear plate 42 can be realized by setting the length of the shaft sleeve 63 to a preset value. Thus, when the injector head base 100 is manufactured by using the welding tool 200 of the present application, the relative positions of the first lug plate 41 and the second lug plate 42 can be set without repeatedly measuring and adjusting the positions of the lug plates. Not only saves the measuring time, but also improves the manufacturing efficiency of the injection head base 100; the position accuracy of the first ear plate 41 and the second ear plate 42 can be improved, thereby improving the quality of the injector head base 100.

In some embodiments, referring to fig. 2, the base 5 has a second axis along a second direction, the second direction being perpendicular to the first direction. The welding fixture 200 further includes two second positioning member sets 7, and the two second positioning member sets 7 are disposed on the base 5 and are symmetrically disposed with respect to the second axis. The second positioning member group 7 includes a first fastening member 71, a first stopper 72, a second fastening member 73, and a second stopper 74. The first fastening member 71 is located on one side of the first limiting member 72 away from the second axis, the two bushings 63 are located between end faces of the first limiting member 72 of one second positioning member group 7 and the first limiting member 72 of the other second positioning member group 7, and the two first positioning member groups 6 are located between the second fastening member 73 and the second limiting member 74.

It should be noted that the second positioning member group 7 is used for positioning the first rectangular tube 1 of the injector head base 100.

Exemplarily, referring to fig. 2, in the case that the base 5 includes the frame 51 and the two support pipes 52, the first fastening member 71 is disposed on a side of the frame 51 away from the second axis and is fixedly connected with the frame 51. The first limiting member 72 is disposed on the frame 51 and located at an end of the frame 51 away from the first axis. The second fastener 73 is disposed on a side of the frame 51 away from the first axis and is fixedly connected to the frame 51. The second limiting member 74 is disposed on one side of the frame 51 away from the first axis, and the second fastening member 73 and the second limiting member are disposed at two opposite ends of the frame 51, respectively; the second limiting member 74 is fixedly connected to the frame 51.

The first fastener 71 and the first stopper 72 can prevent the first rectangular tube 1 from moving in the first direction, and the second fastener 73 and the second stopper 74 can prevent the first rectangular tube 1 from moving in the second direction. In this way, the second positioning member group 7 can restrain the first rectangular tube 1 at a predetermined position when the injector head base 100 is manufactured. Thus, the position of the first rectangular tube 1 does not need to be measured and adjusted, and the manufacturing efficiency of the injection head base 100 can be improved; it is also possible to improve the positional accuracy of the first rectangular tube 1, thereby improving the quality of the injector head base 100.

In some embodiments, referring to fig. 5, the first fastener 71 includes a first support post 711, a first nut 712, and a first bolt 713. The first support column 711 is fixedly connected to the base 5. The first nut 712 is fixedly connected to an end of the first support column 711 away from the base 5. The first bolt 713 is threadedly coupled with the first nut 712 with an axis in the first direction.

Arranged in this manner, by rotating the first bolt 713, the first bolt 713 can be moved in the first direction. Accordingly, when the injector head base 100 is manufactured, the first bolt 713 may be moved toward the first positioning member by rotating the first bolt 713. Thus, the distance between the first bolt 713 and the first positioning member can be shortened, and the first rectangular pipe 1 can be clamped between the first bolt 713 and the first positioning member. In this way, the risk of the first rectangular pipe 1 moving during the process of manufacturing the injector head base 100 can be reduced, thereby improving the quality of the injector head base 100.

In some embodiments, referring to fig. 6, the second fastener 73 includes a second support column 731, a second nut 732, and a second bolt 733. The second supporting column 731 is fixedly connected to the base 5. The second nut 732 is fixedly connected to an end of the second support column 731 away from the base 5. The second bolt 733 is screwed with the second nut 732 with the axis in the second direction.

Provided in this way, by rotating the second bolt 733, the second bolt 733 can be moved in the second direction. Accordingly, when the injector head base 100 is manufactured, the second bolt 733 may be moved toward the second positioning member by rotating the second bolt 733. Thus, the distance between the second bolt 733 and the second positioning member can be shortened, and the first rectangular pipe 1 can be held between the second bolt 733 and the second positioning member. In this way, the risk of movement of the first rectangular tube 1 during the process of manufacturing the injector head base 100 can be further reduced, thereby improving the quality of the injector head base 100.

In some embodiments, referring to fig. 2, welding tooling 200 further includes two third positioning set 8. The two third positioning element groups 8 are arranged on the base 5 and are symmetrically arranged relative to the first axis. The third positioning element group 8 includes two positioning elements 81, and two end faces of the first fastening element 71 of one second positioning element group 7 and the first fastening element 71 of the other second positioning element group 7, which are close to each other, are located between the two positioning elements 81.

It should be noted that the third positioning member group 8 is used for positioning the mounting pipe 31 of the injector head base 100.

For example, in the case that the base 5 comprises the frame 51 and the two support pipes 52, the third positioning element group 8 further comprises a connecting plate 82, and the positioning column 81 is disposed on a side of the frame 51 away from the second axis and is fixedly connected with the frame 51 through the connecting plate 82. Wherein, the positioning posts 81 are disposed near the corner positions of the frame 51.

With this kind of mode setting, only need establish installation pipe 31 cover on reference column 81, can inject installation pipe 31 in predetermineeing the position, realize the accurate location of installation pipe 31. Thus, the manufacturing efficiency of the injection head base 100 can be improved, the position accuracy of the installation pipe 31 can be improved, and the quality of the injection head base 100 is improved.

In some embodiments, positioning post 81 is removably coupled to base 5. Thus, in the process of storage or transportation, the positioning column 81 can be conveniently detached from the base 5, so that convenience is brought to storage and transportation of the welding tool 200. Thus, the convenience of the entire use of the welding tool 200 can be improved.

It is understood that there are various implementations of the detachable connection, which can be selected according to practical situations, and the disclosure is not limited thereto.

Exemplarily, a stud is arranged at one end of the positioning column 81 close to the base 5, an avoiding opening is arranged at a position on the base 5 corresponding to the stud, and the stud is arranged in the avoiding opening and extends to one side of the base 5 away from the positioning column 81. In this case, the third positioning element group 8 further comprises a third nut, which is screwed with the stud to realize the detachable connection of the positioning column 81 and the base 5.

In some embodiments, the positioning post 81 is provided with a positioning hole, and an axis of the positioning hole is along the second direction. The third positioning element group 8 further includes two second positioning shafts 83, and the two second positioning shafts 83 are respectively and correspondingly disposed in the positioning holes of the two positioning columns 81, and can move along the axial direction of the positioning holes.

It should be noted that the second positioning shaft 83 is used for positioning the avoiding hole 32 on the mounting tube 31.

When the injection head base 100 is manufactured, the mounting pipe 31 of the injection head base 100 is sleeved on the positioning column 81, the avoiding hole 32 in the mounting pipe 31 is opposite to the positioning hole in the positioning column 81, and then the second positioning shaft 83 penetrates into the avoiding hole 32 and the positioning hole, so that the positioning of the avoiding hole 32 in the mounting pipe 31 can be realized, and the axis of the avoiding hole 32 is parallel to the axis of the first rectangular pipe 1. Thus, the manufacturing efficiency of the injector head base 100 can be further improved, and the quality of the injector head base 100 can be improved.

In some embodiments, referring to fig. 2, the first positioning member set 6 further includes two reinforcing plates 64, the two reinforcing plates 64 are disposed between the two support plates 61, and each reinforcing plate 64 corresponds to one support plate 61. The reinforcing plate 64 is fixedly connected to the support plate 61 and the base 5.

Wherein, the reinforcing plate 64 can increase the connection strength of the support plate 61 and the base 5, which is beneficial to improving the structural strength of the welding tool 200.

In some embodiments, referring to fig. 2, the welding tool 200 further includes a leg 9, and the leg 9 is disposed on a side of the base 5 away from the first positioning member set 6. Through setting up landing leg 9, can provide stable support for welding frock 200 places more steadily. Thus, the risk of shaking of the welding tool 200 can be reduced in the process of manufacturing the injection head base 100, so that the quality of the injection head base 100 can be improved.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a welding frock for make the injection head base, its characterized in that includes:

a base (5) having a first axis in a first direction;

two first positioning component groups (6) are arranged on the base (5) and are symmetrically arranged relative to the first axis; the first positioning member set (6) includes:

two support plates (61), the support plates (61) being connected to the base (5); the supporting plate (61) is provided with a mounting hole, and the axis of the mounting hole is along the first direction;

and the first positioning shaft (62) is arranged in the mounting holes of the two support plates (61) and can move along the axial direction of the mounting holes.

2. The welding tooling of claim 1, wherein the first positioning member set (6) further comprises:

the two shaft sleeves (63) are respectively and correspondingly arranged in the mounting holes of the two supporting plates (61) and are fixedly connected with the corresponding supporting plates (61); two ends of the shaft sleeve (63) respectively extend to two sides of the corresponding supporting plate (61); the first positioning shaft (62) is positioned in the two shaft sleeves (63) and can move along the axial direction of the shaft sleeves (63).

3. Welding tool according to claim 2, characterized in that the base (5) has a second axis in a second direction, the second direction being perpendicular to the first direction; the welding frock still includes:

two second positioning group (7) arranged on the base (5) and symmetrically arranged relative to the second axis;

the second positioning group (7) comprises a first fastening piece (71), a first limiting piece (72), a second fastening piece (73) and a second limiting piece (74); the first fastening piece (71) is located on one side, away from the second axis, of the first limiting piece (72), the two shaft sleeves (63) are located between end faces, away from each other, of the first limiting piece (72) of one second positioning piece group (7) and the first limiting piece (72) of the other second positioning piece group (7), and the two first positioning piece groups (6) are located between the second fastening piece (73) and the second limiting piece (74).

4. The welding fixture according to claim 3, characterized in that the first fastener (71) comprises:

a first support column (711) fixedly connected to the base (5);

the first nut (712) is fixedly connected with one end, far away from the base (5), of the first supporting column (711);

a first bolt (713) threadedly coupled to the first nut (712) with an axis along a first direction.

5. The welding tool according to claim 3, characterized in that the second fastener (73) comprises:

the second supporting column (731) is fixedly connected with the base (5);

the second nut (732) is fixedly connected with one end, far away from the base (5), of the second supporting column (731);

and a second bolt (733) that is screwed to the second nut (732) and has an axis in a second direction.

6. The welding tool of any one of claims 3 to 5, further comprising:

two third positioning element groups (8) arranged on the base (5) and symmetrically arranged relative to the first axis;

the third positioning group (8) comprises two positioning columns (81), and two end faces, close to each other, of the first fastening piece (71) of one second positioning group (7) and the first fastening piece (71) of the other second positioning group (7) are located between the two positioning columns (81).

7. The welding tooling of claim 6, wherein the positioning post (81) is detachably connected with the base (5).

8. The welding tool according to claim 6, wherein the positioning column (81) is provided with a positioning hole, and the axis of the positioning hole is along a second direction; the third positioning element group (8) further comprises two second positioning shafts (83), and the two second positioning shafts (83) are respectively and correspondingly arranged in the positioning holes of the two positioning columns (81) and can move along the axial direction of the positioning holes.

9. The welding tooling as claimed in any one of claims 1 to 5, wherein the first positioning member set (6) further comprises:

two reinforcing plates (64) disposed between the two support plates (61), one support plate (61) corresponding to each reinforcing plate (64); the reinforcing plate (64) is fixedly connected with the supporting plate (61) and the base (5).

10. The welding tool of any one of claims 1 to 5, further comprising:

the supporting legs (9) are arranged on one side, away from the first positioning group (6), of the base (5).

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