Butt joint positioning assembly of flange welding clamp

Abstract

The butt-joint positioning assembly comprises a bottom plate, guide rails are arranged on the two sides of the upper portion of the bottom plate, guide blocks are arranged on the guide rails, the two guide blocks are fixedly connected through a movable plate, a hydraulic cylinder is arranged on the side, located on the guide rails, of the bottom plate, and the stroke end of the hydraulic cylinder is fixed to the movable plate. A vertical plate is arranged above the movable plate, a flange limiting assembly is arranged on the side, close to the hydraulic cylinder, of the vertical plate, a fixing block is arranged on the side, away from the hydraulic cylinder, above the bottom plate, a lower arc groove is formed in the middle of the upper end of the fixing block, supporting frames are arranged on the two sides above the fixing block, and threaded rods are inserted into the middles of the upper portions of the supporting frames. The lower portion of the threaded rod is movably connected with a pressing block, and an upper arc groove is formed in the middle of the lower end of the pressing block. According to the positioning assembly, the flange and the pipeline can be in butt joint conveniently, good butt joint stability is achieved, and the quality of a welded finished product is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange welding technical field especially relates to a butt joint positioning subassembly of flange welding fixture. BACKGROUND

[0002] The clamp is the appliance for limiting and fixing the machining object in the mechanical production and manufacture, thereby facilitating production and manufacture, for example, in the welding process of the flange, in order to align the flange with the pipeline accurately, facilitate welding, thereby will use when the corresponding clamp. Now most of the welding of the flange and the pipeline, in order to ensure that the flange can keep standing and stable state, will let a worker hold the flange and limit it, make it keep stable and not easy to shake, although let another worker use the welding gun to weld, in the state of holding by the worker, the flange will shake, not easy to keep stable, and then form the effect of welding finished product, reduce the finished product utilization, for this, we propose a butt joint positioning subassembly of flange welding fixture. SUMMARY

[0003] In order to solve the above problems, the utility model provides a butt joint positioning subassembly of flange welding fixture. The utility model solves the problem that now most of the welding of the flange and the pipeline, in order to ensure that the flange can keep standing and stable state, will let a worker hold the flange and limit it, make it keep stable and not easy to shake, although let another worker use the welding gun to weld, in the state of holding by the worker, the flange will shake, not easy to keep stable, and then form the effect of welding finished product, reduce the finished product utilization.

[0004] The utility model discloses a butt joint positioning subassembly of flange welding fixture, including the bottom plate, the both sides of bottom plate top are equipped with the guide rail, the guide rail top is equipped with the guide block, two the guide block is fixedly connected through the movable plate, the bottom plate one side in guide rail is equipped with the hydraulic cylinder, the hydraulic cylinder stroke end is fixed with movable plate, the movable plate top is equipped with the vertical board, the vertical board is equipped with the flange limiting component near the hydraulic cylinder one side, the bottom plate top is equipped with the fixed block far from the hydraulic cylinder one side, the fixed block upper end middle part is equipped with the lower arc groove, the both sides of fixed block top are equipped with the support frame, the support frame top middle part is inserted with the threaded rod, the threaded rod lower side is movably connected with the pressing block, the pressing block lower end middle part is equipped with the upper arc groove.

[0005] In the scheme, the flange limiting component includes a top plate, the top plate is fixedly connected with the vertical plate, the both sides of the top plate below are equipped with guide rods, the guide rods are equipped with fixed plates in the middle, the both sides of the guide rods are equipped with movable blocks in the fixed plates, the movable blocks are equipped with connecting grooves near the fixed plates, the both sides of the fixed plates are equipped with springs, the springs are fixedly connected with the inner walls of the connecting grooves far from the fixed plates, the movable blocks are equipped with limiting blocks near the vertical plates.

[0006] In the scheme, the vertical plate is provided with a through slot matched with the limiting block.

[0007] In the scheme, the threaded rod is fixedly connected with the rotating block at the top, and the rotating block is provided with anti-skid lines on the outer side.

[0008] In the scheme, the pressing block is provided with a sliding block on each side, and the supporting frame is provided with a guide slot matched with the sliding block.

[0009] In the scheme, the vertical plate is provided with a reinforcing plate at each end of the side close to the hydraulic cylinder, and the reinforcing plate is fixedly connected with the movable plate below.

[0010] In the scheme, the bottom plate is provided with a plurality of mounting holes arranged in a matrix on the outer side.

[0011] The flange welding clamp butt joint positioning assembly of the utility model has the advantages that under the action of spring elasticity, the limiting blocks extrude the inner wall of the flange, the flange limiting assembly can preliminarily position the flange through the mutual cooperation between the two limiting blocks, the pressing block and the fixed block can stably clamp the pipeline through the mutual cooperation between the upper arc groove and the lower arc groove, the hydraulic cylinder pushes the movable plate to move to the side of the fixed block when working, the flange and the pipeline can be butt jointed through the transmission of the vertical plate. The positioning assembly has the advantages of simple structure, convenient operation, convenient butt joint of the flange and the pipeline, good butt joint stability and improved product quality of welding. BRIEF DESCRIPTION OF DRAWINGS

[0012] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of part A of the utility model;

[0015] Figure 3 It is a front view of the flange limiting assembly of the utility model;

[0016] Figure 4 It is a sectional view of the flange limiting assembly of the utility model.

[0017] In the drawing: 1, bottom plate 2, guide rail 3, guide block 4, movable plate

[0018] 5, hydraulic cylinder 6, vertical plate 7, flange limiting assembly 71, top plate

[0019] 72, guide rod 73, fixed plate 74, movable block 75, connecting groove

[0020] 76, spring 77, limiting block 8, fixed block 9, lower arc groove

[0021] 10, support frame 11, threaded rod 12, pressing block 13, upper arc groove

[0022] 14, rotating block 15, anti-skid pattern 16, sliding block 17, guide groove

[0023] 18, through groove 19, reinforcing plate 20, mounting hole. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model are further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0025] As Figures 1-4 shown, the utility model is a butt joint positioning assembly of flange welding fixture, including bottom plate 1, both sides of bottom plate 1 top are equipped with guide rail 2, guide rail 2 top is equipped with guide block 3, two guide block 3 are fixedly connected through movable plate 4, bottom plate 1 is located guide rail 2 one side and is equipped with hydraulic cylinder 5, hydraulic cylinder 5 can push movable plate 4 to move in horizontal direction when working, guide block 3 can slide on guide rail 2, through the mutual cooperation between guide block 3 and guide rail 2, make movable plate 4 can move stably in horizontal direction, the stroke end of hydraulic cylinder 5 is fixed with movable plate 4, movable plate 4 top is equipped with vertical plate 6, vertical plate 6 is equipped with flange limiting assembly 7 near hydraulic cylinder 5 one side, flange limiting assembly 7 can carry out preliminary positioning to flange, bottom plate 1 top is equipped with fixed block 8 away from hydraulic cylinder 5 one side, the middle part of fixed block 8 upper end is equipped with lower arc groove 9, both sides of fixed block 8 top are equipped with support frame 10, threaded rod 11 is inserted in the middle part of support frame 10 top, threaded rod 11 lower side is movably connected with pressing block 12, the middle part of pressing block 12 lower end is provided with upper arc groove 13, threaded rod 11 is movably connected with support frame 10, when rotating threaded rod 11, threaded rod 11 pushes pressing block 12 to move in vertical direction, when pressing block 12 approaches fixed block 8, through the mutual cooperation between upper arc groove 13 and lower arc groove 9, make pressing block 12 and fixed block 8 can stably clamp pipe.

[0026] The flange limiting assembly 7 comprises a top plate 71 fixedly connected with the vertical plate 6, two guide rods 72 arranged below the top plate 71, the guide rods 72 being fixedly connected with the movable plate 4 below, a fixed plate 73 arranged in the middle of the guide rod 72, movable blocks 74 arranged on both sides of the fixed plate 73, the movable blocks 74 being movably connected with the guide rod 72 and being capable of moving vertically on the guide rod 72, a connecting groove 75 being formed on one side of the movable block 74 close to the fixed plate 73, springs 76 being arranged on both sides of the fixed plate 73, the springs 76 being fixedly connected with the inner wall of the connecting groove 75 away from the fixed plate 73, a limiting block 77 being arranged on one side of the movable block 74 close to the vertical plate 6, and symmetrical inclined surfaces being arranged on the side of the limiting block 77 away from the fixed plate 73, so that the limiting block 77 can extrude the inner wall of the flange under the elastic force of the spring 76 when the flange is sleeved on the outside of the limiting block 77, and the flange limiting assembly 7 can preliminarily position the flange through the cooperation between the two limiting blocks 77.

[0027] A through groove 18 matching the limiting block 77 is formed in the vertical plate 6.

[0028] The threaded rod 11 is fixedly connected with a rotating block 14 above, the rotating block 14 is provided with anti-skid lines 15 on the outside, the anti-skid lines 15 effectively increase the friction between the palm and the rotating block 14, and the rotating block 14 is more convenient for the staff to rotate the threaded rod 11.

[0029] The pressing block 12 is provided with sliding blocks 16 on both sides, the support frame 10 is provided with guide grooves 17 matching the sliding blocks 16, the sliding blocks 16 can slide in the guide grooves 17, and the movement stability of the pressing block 12 is effectively improved through the cooperation between the sliding blocks 16 and the guide grooves 17.

[0030] The vertical plate 6 is provided with reinforcing plates 19 at both ends of the side close to the hydraulic cylinder 5, and the reinforcing plates 19 are fixedly connected with the movable plate 4 below.

[0031] The bottom plate 1 is provided with a plurality of matrix-arranged mounting holes 20 on the outside, and the positioning assembly can be fixedly installed through the mounting holes 20.

[0032] Specifically, in the utility model, when the flange is butt welded, the flange is sleeved outside the limiting block 77, under the action of the elasticity of the spring 76, the limiting block 77 extrudes the inner wall of the flange, the mutual cooperation between the two limiting blocks 77 makes that the flange limiting assembly 7 can preliminarily position the flange, at the same time, the rotary block 14 is rotated, the rotary block 14 drives the threaded rod 11 to rotate, the threaded rod 11 pushes the pressing block 12 to move in the vertical direction, when the pressing block 12 approaches the fixed block 8, the mutual cooperation between the upper arc groove 13 and the lower arc groove 9 makes that the pressing block 12 and the fixed block 8 can stably clamp the pipe, when the hydraulic cylinder 5 works, the hydraulic cylinder 5 pushes the movable plate 4 to move to the side of the fixed block 8, through the transmission of the vertical plate 6, the flange and the pipe can be butt jointed.

[0033] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A butt positioning assembly of a flange welding jig comprising a base plate (1), characterized in that, The bottom plate (1) is provided with guide rails (2) on both sides, guide blocks (3) are arranged above the guide rails (2), the two guide blocks (3) are fixedly connected through a movable plate (4), a hydraulic cylinder (5) is arranged on one side of the bottom plate (1) where the guide rails (2) are located, the stroke end of the hydraulic cylinder (5) is fixedly connected with the movable plate (4), a vertical plate (6) is arranged above the movable plate (4), a flange limiting assembly (7) is arranged on the side of the vertical plate (6) close to the hydraulic cylinder (5), a fixed block (8) is arranged above the bottom plate (1) away from the hydraulic cylinder (5), a lower arc groove (9) is arranged in the middle of the upper end of the fixed block (8), support frames (10) are arranged on both sides of the upper end of the fixed block (8), threaded rods (11) are inserted into the middle of the upper end of the support frames (10), pressure blocks (12) are movably connected below the threaded rods (11), and upper arc grooves (13) are arranged in the middle of the lower ends of the pressure blocks (12).

2. The butt positioning assembly of a flange welding fixture according to claim 1, wherein The flange limiting assembly (7) comprises a top plate (71), the top plate (71) is fixedly connected with the vertical plate (6), guide rods (72) are arranged on both sides of the lower end of the top plate (71), fixed plates (73) are arranged in the middle of the guide rods (72), movable blocks (74) are arranged on both sides of the guide rods (72) away from the fixed plates (73), connecting grooves (75) are arranged on the sides of the movable blocks (74) close to the fixed plates (73), springs (76) are arranged on both sides of the fixed plates (73), the inner walls of the connecting grooves (75) are fixedly connected with the springs (76) away from the fixed plates (73), and limiting blocks (77) are arranged on the sides of the movable blocks (74) close to the vertical plate (6).

3. The butt positioning assembly of a flange welding fixture according to claim 2, wherein A through groove (18) matched with the limiting blocks (77) is arranged on the vertical plate (6).

4. The butt positioning assembly of a flange welding fixture of claim 1, wherein, The upper end of the threaded rod (11) is fixedly connected with a rotating block (14), and anti-skid lines (15) are arranged on the outer side of the rotating block (14).

5. The butt positioning assembly of a flange welding fixture of claim 1 wherein, The pressure blocks (12) are provided with sliding blocks (16) on both sides, and the support frames (10) are provided with guide grooves (17) matched with the sliding blocks (16).

6. The butt positioning assembly of a flange welding fixture of claim 1 wherein, The vertical plate (6) is provided with reinforcing plates (19) at both ends of the side close to the hydraulic cylinder (5), and the reinforcing plates (19) are fixedly connected with the movable plate (4) below.

7. The butt positioning assembly of a flange welding fixture of claim 1 wherein, A plurality of mounting holes (20) are arranged on the outer side of the bottom plate (1) in a matrix arrangement.

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