CN211638786U

CN211638786U - Welding fixture with scale

Info

Publication number: CN211638786U
Application number: CN201921436484.9U
Authority: CN
Inventors: 崔嘉超; 王廷军; 张克; 王永协; 李卓; 蒲科锦; 李世广; 裴大石
Original assignee: 713th Research Institute of CSIC
Current assignee: 713th Research Institute of CSIC
Priority date: 2019-09-01
Filing date: 2019-09-01
Publication date: 2020-10-09
Anticipated expiration: 2029-09-01

Abstract

The utility model provides a welding fixture with a scale, which comprises a bottom supporting steel plate, wherein a plurality of upper and lower plate fixing seats with arc-shaped upper sides and a plurality of upright post fixing seats with arc-shaped upper sides are arranged on the bottom supporting steel plate; the upper plate fixing seat and the lower plate fixing seat are provided with first sliding grooves, tightening wheels are arranged in the first sliding grooves, and the tightening wheels are slidably installed in the first sliding grooves through bolts; the stand fixing base is provided with a second sliding groove, at least one stand positioning scale is arranged in the second sliding groove, and the stand positioning scale is rotatably installed in the second sliding groove. The upper and lower plate fixing seats and the upright post fixing seat are welded on the bottom supporting steel plate in parallel. The utility model discloses can realize different arc support welding through adjustment stand location scale and tight pulley, raise the efficiency.

Description

Welding fixture with scale

Technical Field

The utility model relates to a welding jig especially relates to a welding jig of arc support.

Background

The arc-shaped support is of a frame structure formed by welding upright posts, an arc-shaped upper plate, an arc-shaped lower plate and the like, and is serialized. The included angles of the two end faces of different arc-shaped supports and the included angle of the upright post are different.

The traditional welding mode adopts manual lofting and simple positioning mode assembly welding. The welding mode has inaccurate positioning precision and errors in the position relation among all groups of welding parts, and in order to ensure the processing quality, the processing allowance left by each processing surface is large, and the subsequent machining efficiency is low. The arc-shaped support after welding and forming is high in inspection difficulty, and low in inspection precision due to the fact that a sample plate is used for inspection.

SUMMERY OF THE UTILITY MODEL

The utility model provides a welding jig of arc support to solve the problem that prior art exists.

The utility model adopts the following technical scheme:

a welding fixture with a scale comprises a bottom supporting steel plate, wherein a plurality of upper and lower plate fixing seats with arc-shaped upper side surfaces and a plurality of upright post fixing seats with arc-shaped upper side surfaces are arranged on the bottom supporting steel plate;

the upper plate fixing seat and the lower plate fixing seat are provided with first sliding grooves, tightening wheels are arranged in the first sliding grooves, and the tightening wheels are slidably installed in the first sliding grooves through bolts;

the stand fixing base is provided with a second sliding groove, at least one stand positioning scale is arranged in the second sliding groove, and the stand positioning scale is rotatably installed in the second sliding groove.

The upper and lower plate fixing seats and the upright post fixing seat are welded on the bottom supporting steel plate in parallel.

The upper and lower plate fixing seats are provided with three first sliding grooves, the three first sliding grooves are respectively arranged in the middle and two sides of the upper and lower plate fixing seats, the three first sliding grooves are parallel to the arc-shaped upper side surfaces of the upper and lower plate fixing seats, and the three first sliding grooves are respectively provided with a tightening wheel;

the upright post fixing seat is provided with three second sliding grooves which are arranged in the middle and at two sides of the upright post fixing seat, and the three second sliding grooves are parallel to the arc-shaped upper side face of the upright post fixing seat;

one end of the upright post positioning scale is rotatably connected in the second sliding groove.

The screw rod penetrates through the upper and lower plate fixing seats and the upright post fixing seat and is fastened by nuts on two sides of the upper and lower plate fixing seats and the upright post fixing seat respectively.

Two stand location scales of rotatable coupling in the second spout that is located stand fixing base middle part, a stand location scale of rotatable coupling in the second spout that is located stand fixing base both sides.

The one end that stand location scale and second spout are connected has the screw hole, and the bolt passes the screw hole and the second spout of stand location scale after, fixes stand location scale through the nut.

The center lines of the upright post fixing seat and the upper and lower plate fixing seats are marked with zero lines, and the two sides of the zero line are marked with +/-15 degrees, +/-22.5 degrees and +/-45 degrees scale lines.

The utility model has the advantages that: the utility model discloses can realize different arc support welding through adjustment stand location scale and tight pulley, raise the efficiency.

Drawings

Fig. 1 is a side view of the present invention.

Fig. 2 is a partial schematic view of fig. 1.

Fig. 3 is a view from the direction B-B of fig. 1.

Fig. 4 is a perspective view of the present invention.

Fig. 5 is a schematic view of an arc-shaped bracket according to the present invention.

Fig. 6 is a first schematic view of the arc bracket of fig. 5 on a welding fixture.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a to the welding jig of the quick location tailor-welding of serialization arc support, welding quality can be guaranteed to this welding jig to can be used for postweld inspection.

The utility model discloses a welding jig, including bottom sprag steel sheet 4, the preferred channel-section steel of bottom sprag steel sheet 4 is whole welding jig's installation basis, and connecting plate 3 can be welded to the side on 4 upper portions of bottom sprag steel sheet, and welding a plurality of upward sides are curved last lower plate fixing base 1 and a plurality of upward side are curved stand fixing base 2, and the side welded fastening of last lower plate fixing base 1 and stand fixing base 2 is on connecting plate 3. The upper and lower plate fixing seats 1 and the upright post fixing seats 2 are identical in shape and are arranged in parallel.

In the embodiment shown in the figure, the bottom support plate 4 comprises three parallel arrangement channel steel, the openings of two channel steel of both sides are relative, the opening of middle channel steel is downward, the upper and lower plate fixing seats 1 and the stand fixing seat 2 are welded on the three channel steel, the connecting plate 3 can also be welded on the outer sides of the two side channel steel of both sides, and the two sides of the upper and lower plate fixing seats 1 and the stand fixing seat 2 are welded on the connecting plate 3 for reinforcing the upper and lower plate fixing seats 1 and the stand fixing seat 2. The welding distance between the upper plate fixing seat 1 and the lower plate fixing seat 2 is set according to the workpiece to be welded.

As shown in fig. 1 and 4, for the welding jig with three upper and lower board fixing seats 1 and four upright post fixing seats 2, wherein the upper and lower board fixing seats 1 are arranged on the outermost side of the welding jig, two upright post fixing seats 2 are respectively fixed before every two adjacent upper and lower board fixing seats 1, a screw rod 7 is fixed on the upper and lower board fixing seats 1 on the outermost side of the welding jig, the screw rod 7 penetrates through the upper and lower board fixing seats 1 and the upright post fixing seats 2, and the upper and lower board fixing seats 1 and the upright post fixing seats 2 are fastened by nuts respectively at two sides, so that the strength of the welding jig is strengthened.

Set up three first spout 11 on going up hypoplastron fixing base 1, three first spout 11 sets up the middle part and the both sides at last hypoplastron fixing base, side parallel on the arc of three first spout 11 and the hypoplastron fixing base 1, two upper and lower sides that also is three first spout 11 are parallel with the arc of the hypoplastron fixing base 1, all be provided with on every first spout 11 and add tight pulley 6, it sets up in first spout 11 to add tight pulley 6 to rotate, and the distance between the both sides envelope of tight pulley is adjustable.

The lateral surface fixed connection or the integrated into one piece of foretell tight pulley 6 one of them side envelope have the screw rod, and the fixed columniform connecting piece in the lateral surface of opposite side envelope sets up the screw hole on the columniform connecting piece, and the opposite side envelope can be run through to the screw hole, and the screw rod passes first spout 11 and screw hole and connects, through the depth of rotation of adjusting screw rod in the screw hole, can adjust the distance between the envelope of both sides.

Set up three second spout 21 on the stand fixing base 2, three second spout 21 sets up in the middle part and the both sides of stand fixing base, and two upper and lower sides of three second spout 21 are parallel with the arc of stand fixing base 2 side on.

The upright positioning scale 5 can be installed in each of the three second sliding grooves 21, that is, at least one upright positioning scale 5 can be connected to each of the three second sliding grooves 21 as required, and one end of each upright positioning scale 5 can be rotatably connected to each of the second sliding grooves 21. The one end that stand location scale 5 and second spout 21 are connected has the screw hole, and the bolt passes the screw hole of stand location scale 5 and behind the second spout 21, carries out the fixed of different positions through the nut to stand location scale 5. In the embodiment shown in fig. 1-2, two column positioning scales 5 are rotatably connected in the second sliding groove 21 located in the middle of the column fixing base 2, and one column positioning scale 5 is rotatably connected in the second sliding groove 21 located on both sides of the column fixing base 2. In the exemplary embodiment shown in fig. 4, only one column positioning scale 5 is provided on each of the second sliding grooves 21 on both sides.

As shown in fig. 1 and 4, the welding tool comprises three rows of three tightening wheels 6 in the direction of the screw 7, and the enveloping outer circle of each row of the tightening wheels 6 is equal to the inner arc diameter of the upper plate and the lower plate of the arc-shaped bracket. The upper and lower plate fixing seats 1 and the upright post fixing seats 2 are provided with scales, the scale range is set according to the bending range of the upper and lower plate mounting seats and the upright post fixing seats, for example, the scales can include all integer scales between 0 to +/-45 degrees, and of course, the scales can also be set according to specific requirements, for example, the scales can only include 0 degree, +/-15 degrees, +/-22.5 degrees, +/-45 degrees and the like, and respectively correspond to the included angles of the upright posts of the arc-shaped supports and the symmetrical centers of the arc-shaped supports of different specifications. The zero line carved on the upper and lower plate fixing seats 1 can correspond to the central lines of the upper and lower plates, and the zero line of the arc-shaped plate is aligned with the zero line of the upper and lower plate fixing seats on the welding tool during tailor welding, so that the arc-shaped plate can be positioned.

The utility model discloses when using, can be used to weld like the arc support of fig. 5, also can be used to weld other arc supports that have similar shape. The arc support shown in fig. 5 includes a vertical column 31, a vertical column 32, a vertical column 33, the vertical column 31, the vertical column 32 and the vertical column 33 are distributed in an arc shape, three arc plates are welded on the vertical column 31, the vertical column 32 and the vertical column 33, wherein the

arc plates

34 and 36 are welded on two side edges of the three vertical columns, the arc plates 35 are welded between two side edges of the three vertical columns, the

arc plates

34 and 35 can be all arc plates formed by welding a whole arc plate or a plurality of arc plates, and the arc plates 36 can be two arc plates respectively located between adjacent vertical columns.

The utility model discloses when welding the arc support as shown in fig. 5, set for this arc support and include three stand, the arc contained angle between 31 lateral surfaces of stand and the stand 33 lateral surfaces is 90, and the arc contained angle between a side of stand 32 and stand 31 and the stand 32 is 45 respectively, and this side of stand 32 is the main side of stand, and stand 31, stand 32, stand 33 are the channel-section steel usually, and this moment, this side of stand 32 is the bottom side of U type channel-section steel usually. Of course, in actual welding, the upright positioning scale needs to be fixed according to specific conditions. For example, if the included angle between the central axes of the columns is calculated when the arc included angle is calculated, the width of the columns needs to be obtained in advance, so that the scales corresponding to the inner side surfaces of the column positioning scales can be adjusted according to the angle corresponding to the width of the columns.

When welding is performed by using the welding bracket shown in fig. 1-2, the arc-shaped plate is scribed to form a zero line. The method is specifically implemented by adjusting the inner sides of the upright positioning scales 5 in the two second chutes 21 at the outermost sides of each upright fixing seat 2 (namely the opposite sides of the two upright positioning scales 5) to the 45-degree scale marked on the upright fixing seat 2 and fastening the inner sides through bolts, wherein the included angle between the inner sides of the two upright positioning scales 5 of the same upright fixing seat 2 is 90 degrees; the scale of 5 medial surfaces of one of them stand location scale in the second spout 21 in the middle of two stand fixing bases 2 sets up at the zero line, namely 0 degree scale department, and another stand location scale 5 can be used to the centre gripping stand. Then place three columns 31, 33 that need to carry out the welding respectively as required in corresponding stand calibration scale department through outside haulage equipment, support through stand calibration scale, stand 33 then places the back at haulage equipment, can fix for the scale through another idle stand, makes the stand centre gripping between two stand positioning scales, also can directly carry out position location through outside haulage equipment. When welding is performed using the welding carriage as shown in fig. 4, the central upright 32 requires external, existing equipment for securing in place until the weld is complete.

When using at present when welding support tailor-welding as shown in fig. 1~2, set up the scale mark that is used for aiming at on the arc equally, can set up the zero line at least in the example of fig. 5 for example, at least a line of 45 lines, align the scale mark of arc and the scale mark on upper and lower board fixing base 1 to tighten up the arc with tightening wheel 6, realize the location of arc, after the location is accomplished, it is fixed to carry out spot welding to the seam department, accomplishes arc support's spot welding. As shown in fig. 5, the arc plate 34 and the arc plate 35 are an arc plate, and are directly fixed and welded; the arc plates 35 are arranged into two blocks, the arc plates 34 and the arc plates 35 are similarly arranged to be respectively conveyed to corresponding positions, then the arc plates are fixedly positioned through the tightening wheels, and then the welding seams are subjected to spot welding.

In another embodiment, the welding bracket shown in the figures 1-2 is applied, and when the bracket with two groups of stand columns is welded, the included angle between the middle group of stand columns is 45 degrees, and the included angle between the edge group of stand columns is 90 degrees. At this time, the arc plate is first scribed to scribe the zero line. The inner side surfaces of the two upright positioning scales 5 in the middle second sliding groove 21 are adjusted to +/-22.5-degree scribed lines of the upright positioning plate, the inner side surfaces of the outer upright positioning scales 5 are adjusted to +/-45-degree scribed lines of the upright positioning plate and are fastened through bolts, and therefore the positions of the upright positioning scales 5 are fixed. During the tailor-welding, align the zero-position groove of arc and the 1 zero-position groove of upper and lower board fixing base to press from both sides tight upper and lower board with the tight wheel 6 fastening of step-up, lean on the side of stand and the inboard L type scale face of stand positioning scale 5 tightly, thereby realize the location of arc and the stand of arc support, it is fixed to carry out spot welding to weld seam department earlier, both accomplished the spot welding of arc support. And then the column positioning scale 5 and the tightening wheel are adjusted to meet the requirements of different models when welding supports of other models of the series arc-shaped supports.

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 invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a take welding jig of scale which characterized in that: the device comprises a bottom supporting steel plate (4), wherein a plurality of upper and lower plate fixing seats (1) with arc-shaped upper side surfaces and a plurality of upright post fixing seats (2) with arc-shaped upper side surfaces are arranged on the bottom supporting steel plate (4);

the upper and lower plate fixing seats (1) are provided with first sliding grooves (11), the first sliding grooves (11) are internally provided with tightening wheels (6), and the tightening wheels (6) are slidably arranged in the first sliding grooves (11) through bolts;

the stand fixing base (2) is provided with a second sliding groove (21), at least one stand positioning scale (5) is arranged in the second sliding groove (21), and the stand positioning scale (5) is rotatably installed in the second sliding groove (21).

2. The welding fixture with the ruler as claimed in claim 1, wherein:

the upper and lower plate fixing seats (1) and the upright post fixing seats (2) are welded on the bottom supporting steel plate (4) in parallel.

3. The welding fixture with the ruler as claimed in claim 1, wherein:

the upper and lower plate fixing seats (1) are provided with three first sliding grooves (11), the three first sliding grooves (11) are respectively arranged in the middle and two sides of the upper and lower plate fixing seats, the three first sliding grooves (11) are parallel to the arc-shaped upper side surfaces of the upper and lower plate fixing seats (1), and the three first sliding grooves (11) are respectively provided with a tightening wheel (6);

the upright post fixing seat (2) is provided with three second sliding grooves (21), the three second sliding grooves (21) are arranged in the middle and at two sides of the upright post fixing seat, the three second sliding grooves (21) are parallel to the arc-shaped upper side surface of the upright post fixing seat (2), and at least one upright post positioning scale can be installed in each of the three second sliding grooves (21);

one end of the upright post positioning scale (5) is connected in the second sliding groove (21).

4. The welding fixture with the ruler as claimed in claim 1, wherein:

the fixing device is characterized by further comprising a screw rod (7), wherein the screw rod (7) penetrates through the upper plate fixing seat (1) and the lower plate fixing seat (2) and the upright post fixing seat (2) and is fastened with nuts on two sides of the upper plate fixing seat (1) and the lower plate fixing seat (2) respectively.

5. The welding fixture with the ruler as claimed in claim 1, wherein:

at least one upright positioning scale (5) is arranged in the second sliding groove (21) in the middle of the upright fixing seat (2) in a rotating mode, and the upright positioning scale (5) is arranged in the second sliding grooves (21) on the two sides of the upright fixing seat (2) in a rotating mode.

6. The welding jig with the ruler of claim 5, wherein:

the one end that stand location scale (5) and second spout (21) are connected has the screw hole, and the bolt passes the screw hole and the second spout (21) back of stand location scale (5), fixes stand location scale (5) through the nut.

7. The welding jig with the ruler of claim 3, wherein:

the center lines of the upright post fixing seat (2) and the upper and lower plate fixing seats (1) are marked with zero lines, and the two sides of the zero line are marked with +/-15 degrees, +/-22.5 degrees and +/-45 degrees of scale lines.