CN208713233U - A kind of irregular pipe positioning device for welding equipment - Google Patents

Abstract

The utility model discloses a kind of irregular pipe positioning devices for welding equipment, positioning table including taper, the positioning that coaxial taper is provided at the smaller diameter end of the positioning table is risen core, the smaller diameter end for positioning the core that rises is close to the positioning table, the positioning table is provided with the axis hole through the two with described position on the core that rises, the axis hole is matched with the main shaft of welding equipment.The utility model has the beneficial effects that can guarantee the concentricity at welding gun head center and irregular pipe center；It can guarantee the fixed reliability of irregular pipe；It can avoid bad appearance of weld, the problems of welded quality such as inclined side, tube head are burnt.

Description

A kind of irregular pipe positioning device for welding equipment

Technical field

The utility model relates to positioning device technical fields, it particularly relates to a kind of for the irregular of welding equipment Pipe positioning device.

Background technique

Irregular pipe positioning device be it is a kind of adjust argon tungsten-arc welding pipe sheet for automatic welder (i.e. welding equipment) welding gun with The swelling device of irregular pipe.Exhaust gas pot Tube-sheet Welding need to consider reliability, anti-fatigue performance and the welding quality of welding, with mesh The welding manner that preceding market boiler's tube-plate welding mainly uses first postwelding swollen is different, but uses the first swollen rear process welded, After tube plate expanded-connecting, the expanded joint part of irregular pipe and non-expanded joint part inner diameter deviation are larger, and the tube head of each irregular pipe Internal diameter is deviated after expanded joint.Positioning table and positioning on existing TIG automatic welder (i.e. argon tungsten-arc welding pipe sheet for automatic welder) The core that rises is cylinder, and irregular pipe is difficult to firmly fix in the welding process, and welder head center and irregular pipe center Coaxiality deviation it is larger, cause poor appearance of weld, inclined side and tube head the various welding defects such as to burn.

For the problems in the relevant technologies, currently no effective solution has been proposed.

Utility model content

For above-mentioned technical problem in the related technology, the utility model proposes a kind of irregular pipes for welding equipment Positioning device can be adjusted according to the dimensional discrepancy of practical work piece, be risen with solving positioning table and the positioning of existing cylinder Core cannot fix irregular pipe and welding gun head center and the biggish deficiency of irregular pipe central coaxial degree deviation solid and reliablely.

To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that

A kind of irregular pipe positioning device for welding equipment, the positioning table including taper, the positioning table it is small straight The positioning that coaxial taper is provided at diameter end is risen core, the positioning rise core smaller diameter end close to the positioning table, institute It states positioning table and is provided with the axis hole through the two on the core that rises with described position, the main shaft of the axis hole and welding equipment matches It closes.

Further, baffle is convexly equipped on the periphery of the positioning table larger diameter end.

Further, it is convexly equipped with coaxial copper post on the end face of the positioning table larger diameter end, the axis hole runs through The copper post.

Further, the core that rises that positions includes connection sleeve, and one end of the connection sleeve is connected with coaxial The other end of the big rotary table of taper, the connection sleeve is connected with the small rotary table of coaxial taper, and the big rotary table is most Small outer diameter is greater than the maximum outside diameter of the small rotary table, and the minimum outer diameter of the minimum outer diameter of the big rotary table and the small rotary table is equal Greater than the outer diameter of the connection sleeve, the smaller diameter end of the small rotary table is close to the positioning table.

Further, the big rotary table and small rotary table include ringfeder, and four dilatation joints are evenly equipped on the ringfeder, described Dilatation joint extends on the connection sleeve, and the dilatation joint on the big rotary table is not overlapped with the dilatation joint of the small rotary table, and Angle between the two is 45 degree.

Further, nut is provided on the main shaft of the welding equipment, the nut positions the big of core of rising close to described Diameter end.

Further, the material of the positioning table is copper.

The utility model has the beneficial effects that can guarantee the concentricity at welding gun head center and irregular pipe center；It can guarantee The fixed reliability of irregular pipe；It can avoid bad appearance of weld, the problems of welded quality such as inclined side, tube head are burnt.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is the signal according to the utility model embodiment for the irregular pipe positioning device of welding equipment Figure；

Fig. 2 is the schematic diagram one of the positioning table according to the utility model embodiment；

Fig. 3 is the schematic diagram two of the positioning table according to the utility model embodiment；

Fig. 4 is the schematic diagram that the core that rises is positioned according to the utility model embodiment.

In figure:

1, positioning table；2, the core that rises is positioned；3, axis hole；4, baffle；5, copper post；6, sleeve is connected；7, big rotary table；8, roundlet Platform；9, dilatation joint；10, main shaft；11, nut.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to In the range of the utility model protection.

As shown in Figs 1-4, a kind of irregular pipe positioning for welding equipment according to the utility model embodiment Device, the positioning table 1 including taper, the positioning that coaxial taper is provided at the smaller diameter end of the positioning table 1 are risen core 2, the smaller diameter end for positioning the core 2 that rises is provided on the core 2 that rises close to the positioning table 1, the positioning table 1 with described position Through the axis hole 3 of the two, the axis hole 3 is matched with the main shaft 10 of welding equipment.

In a specific embodiment of the utility model, gear is convexly equipped on the periphery of 1 larger diameter end of positioning table Plate 4.

In a specific embodiment of the utility model, be convexly equipped on the end face of 1 larger diameter end of positioning table and its Coaxial copper post 5, the axis hole 3 run through the copper post 5.

In a specific embodiment of the utility model, the positioning rises by core 2 including connecting sleeve 6, the connector sleeve One end of cylinder 6 is connected with the big rotary table 7 of coaxial taper, and the other end of the connection sleeve 6 is connected with coaxial The small rotary table 8 of taper, the minimum outer diameter of the big rotary table 7 are greater than the maximum outside diameter of the small rotary table 8, and the big rotary table 7 is most The minimum outer diameter of small outer diameter and the small rotary table 8 is all larger than the outer diameter of the connection sleeve 6, the minor diameter of the small rotary table 8 It holds close to the positioning table 1.

In a specific embodiment of the utility model, the big rotary table 7 and small rotary table 8 include ringfeder, described to rise It puts on and is evenly equipped with four dilatation joints 9, the dilatation joint 9 extends on the connection sleeve 6, the dilatation joint 9 on the big rotary table 7 It is not overlapped with the dilatation joint 9 of the small rotary table 8, and angle between the two is 45 degree.

In a specific embodiment of the utility model, nut 11, institute are provided on the main shaft 10 of the welding equipment Nut 11 is stated close to the larger diameter end for positioning the core 2 that rises.

In a specific embodiment of the utility model, the material of the positioning table 1 is copper.

In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of specifically used mode to the utility model Above-mentioned technical proposal be described in detail.

Irregular pipe positioning device described in the utility model for welding equipment includes the positioning table 1 and taper of taper Positioning rise core 2.

The larger diameter end of positioning table 1 is provided with baffle 4, when positioning table 1 penetrates in irregular pipe, if irregular pipe is straight Diameter is excessive, can be blocked by baffle 4, the larger diameter end of positioning table 1 is additionally provided with copper post 5, has axis hole 3 inside positioning table 1 and copper post 5 Run through.Since positioning table 1 is taper, diameter of section changes within the scope of 0~2mm from small to large；When the tube sheet of irregular pipe After expanded joint, when the size of each expanded joint position internal diameter of irregular pipe is different, it can be adjusted according to the internal diameter of practical irregular pipe Length in irregular pipe is protruded into, so that it is determined that the best fit position of positioning table 1 and irregular pipe inner wall, guarantees in welding gun head The fixed reliability of the concentricity and irregular pipe at the heart and irregular pipe center.

Positioning rises by core 2 including connecting sleeve 6, and one end of connection sleeve 6 is the big rotary table 7 of taper, and the other end is taper Small rotary table 8, the diameter of big 7 smaller diameter end of rotary table are greater than the diameter of small 8 larger diameter end of rotary table, and big rotary table 7 and small rotary table 8 include Ringfeder, is evenly equipped with four dilatation joints 9 on each ringfeder, and dilatation joint 9 extends on connection sleeve 6 that (i.e. connection sleeve 6 also has swollen Expansion joint (E.J.), dilatation joint thereon are connected with the dilatation joint 9 on ringfeder), the dilatation joint 9 of small rotary table 8 described in dilatation joint 9 on big rotary table 7 Be not overlapped, and angle between the two is 45 degree, connection sleeve 6, big rotary table 7, small rotary table 8 inside there is axis hole 3 to run through.Positioning The core 2 that rises can change according to the inner diameter size of irregular pipe, and positioning rises by core 2 using pneumatic expansion chuck, it is ensured that positioning rises by core 2 can Irregular pipe is completely swollen dead.

After the tube plate expanded-connecting of irregular pipe, positioning rise the location of core 2 just big rotary table 7 in expanded joint position, roundlet Platform 8 is at non-expanded joint position, and the internal diameter at expanded joint position is greater than not by the internal diameter at expanded joint position, and positioning the core 2 that rises can adjust it and do not advise Then effective cooperation of inside pipe wall, so that taper positioning is risen, and core is completely swollen dead by irregular pipe inner wall, and guarantee is welded after pneumatic swelling The fixed reliability of the concentricity and irregular pipe of gunlock head center and workpiece centre.

It is equipped with the main shaft 10 of welding equipment in axis 3, main shaft 10 is risen core 2 by nut 11 come stationary positioned platform 1 and positioning, Rotate positioning table 1 and the positioning core 2 that rises with main shaft 10, to more reliably ensure that welding gun head center and workpiece centre The reliability that concentricity and irregular pipe are fixed, it is ensured that the welding quality of workpiece.

In conclusion by means of the above-mentioned technical proposal of the utility model, it is ensured that welding gun head center and irregular pipe The concentricity at center；It can guarantee the fixed reliability of irregular pipe；It can avoid bad appearance of weld, the weldering such as inclined side, tube head are burnt Connect quality problems.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (7)

1. a kind of irregular pipe positioning device for welding equipment, which is characterized in that the positioning table (1) including taper, it is described The positioning that coaxial taper is provided at the smaller diameter end of positioning table (1) is risen core (2), described to position the small straight of the core (2) that rises Diameter end close to the positioning table (1), the positioning table (1) and the positioning rise be provided on core (2) through both axis hole (3), the axis hole (3) matches with the main shaft (10) of welding equipment.

2. the irregular pipe positioning device according to claim 1 for welding equipment, which is characterized in that the positioning table (1) it is convexly equipped on the periphery of larger diameter end baffle (4).

3. the irregular pipe positioning device according to claim 1 for welding equipment, which is characterized in that the positioning table (1) it is convexly equipped on the end face of larger diameter end coaxial copper post (5), the axis hole (3) runs through the copper post (5).

4. the irregular pipe positioning device according to claim 1 for welding equipment, which is characterized in that the positioning is risen Core (2) includes connection sleeve (6), and one end of connection sleeve (6) is connected with the big rotary table (7) of coaxial taper, institute The other end for stating connection sleeve (6) is connected with the small rotary table (8) of coaxial taper, the minimum outer diameter of the big rotary table (7) Greater than the maximum outside diameter of the small rotary table (8), the minimum outer diameter of the big rotary table (7) and the minimum of the small rotary table (8) are outer Diameter is all larger than the outer diameter of connection sleeve (6), and the smaller diameter end of the small rotary table (8) is close to the positioning table (1).

5. the irregular pipe positioning device according to claim 4 for welding equipment, which is characterized in that the big rotary table (7) and small rotary table (8) includes ringfeder, is evenly equipped with four dilatation joints (9) on the ringfeder, the dilatation joint (9) extends to institute It states in connection sleeve (6), the dilatation joint (9) on the big rotary table (7) is not overlapped with the dilatation joint (9) of the small rotary table (8), and Angle between the two is 45 degree.

6. the irregular pipe positioning device according to claim 1 for welding equipment, which is characterized in that the welding is set It is provided with nut (11) on standby main shaft (10), the nut (11) is close to the larger diameter end for positioning core (2) of rising.

7. the irregular pipe positioning device according to claim 1 for welding equipment, which is characterized in that the positioning table (1) material is copper.