CN213318631U

CN213318631U - Welding positioning fixture

Info

Publication number: CN213318631U
Application number: CN202022266208.1U
Authority: CN
Inventors: 王小平
Original assignee: Wuhu Ford Machining Co ltd
Current assignee: Wuhu Ford Machining Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-06-01
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a welding positioning fixture, which relates to the fixture field and comprises a frame, wherein a first bracket and a second bracket are symmetrically arranged on the frame, a motor is arranged on the first bracket, a rotary disc is connected on the output shaft of the motor, a guide rod and a ring groove are arranged in the center of the inner side of the rotary disc, the ring groove is coaxially sleeved on the base part of the guide rod, a third limit screw is arranged on the rotary disc, the top part of the second bracket is rotatably connected with a sleeve, the sleeve is connected with a jacking screw rod in a threaded manner, a jacking block is arranged at the inner end of the jacking screw rod and is coaxial with the guide rod, a second limit screw is arranged between the bracket and the sleeve, a first limit screw is arranged between the sleeve and the jacking screw rod, a plurality of rolling supporting devices are arranged between the first bracket and the second bracket, the utility model can rapidly complete the centering clamping and fixing of a pipe fitting and a flange, and can, the welding precision is effectively improved.

Description

Welding positioning fixture

Technical Field

The utility model relates to an anchor clamps field, concretely relates to welding position anchor clamps.

Background

In the pipe fitting course of working, often need be at the tip welding flange of pipe fitting or other disc-shaped spare for subsequent joint or fixed mounting operation, but pipe fitting and flange need accurate heart in welding process, otherwise the dislocation welding of welding piece will appear, lead to the product to scrap, current pipe fitting anchor clamps only can carry out simple centre gripping fixed to pipe fitting or flange, can't carry out heart to pipe fitting and flange and settle and carry out subsequent welded fastening. The position of pipe fitting and flange need constantly be adjusted to artifical heart operation, and operation process is loaded down with trivial details, and the error of center alignment is also great, even can accomplish the heart operation, and welding process also can't guarantee not take place offset between pipe fitting and the flange, consequently needs the heart positioning fixture of the welding pipe fitting of being convenient for and flange.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding position anchor clamps solves above-mentioned welding jig problem and defect that appear in welding process.

The utility model provides a welding position anchor clamps, includes the frame, the symmetry is equipped with support one and support two in the frame, be equipped with the motor on the support one, be connected with the carousel on the output shaft of motor, the inboard central authorities of carousel are equipped with guide rod and ring channel, the guide rod basal portion is located to the coaxial cover of ring channel, be equipped with stop screw three on the carousel, two tops of support rotate and are connected with the sleeve pipe, sleeve pipe female connection has the tight screw rod in top, the inner of the tight screw rod in top is equipped with the kicking block, the kicking block is coaxial with the guide rod, be equipped with stop screw two between support and the sleeve pipe, be equipped with stop screw one between sleeve pipe and the tight screw rod in top, be equipped with a plurality of roll strutting arrangement between support one and the support two, the top of roll strutting arrangement supports the pipe fitting when.

Preferably, the rolling support device comprises an opposite translation assembly, two groups of supports are symmetrically arranged on the opposite translation assembly along the axial direction of the guide rod, and the tops of the supports are rotatably connected with support rollers.

Preferably, subtend translation subassembly includes the square groove, the square groove is located between support one and the support two, the square groove internal rotation is connected with two-way screw rod, two-way screw rod's both ends screw thread opposite direction, two-way screw rod's bilateral symmetry is equipped with the slide bar, the both ends of slide bar set firmly on the square inslot wall, two-way screw rod's both ends threaded connection has two sliders, and two sliders set up along guide bar axial symmetry, the both sides and two slide bar sliding connection of slider, the support symmetry is located on the slider.

Preferably, one end of the bidirectional screw rod penetrates out of the rack and is provided with a second rotating handle, and the outer end of the jacking screw rod is provided with the first rotating handle.

Preferably, the guide rod is sleeved with a rubber sleeve.

The utility model has the advantages that:

the utility model discloses a guide rod and kicking block and top tight screw rod carry out the centre gripping location to the pipe fitting to the completion flange that is quick convenient through the coaxial setting of guide rod and ring channel is fixed with the heart centre gripping of pipe fitting, can rotate the welding through motor and carousel after accomplishing to the heart centre gripping is fixed, and labour saving and time saving need not artifically to the heart, has effectively improved the welding precision. The opposite translation assembly can adjust the spacing of the supporting rollers, so that the pipe fittings with different pipe diameters can be clamped and supported conveniently. The rubber sleeve can effectively increase the friction force of the guide rod on the inner wall of the pipe fitting, and the pipe fitting is prevented from slipping in the rotating process. The rubber sleeves with different thicknesses are sleeved to clamp and fix the pipe fittings with different pipe diameters. The supporting roller wheel supports the pipe fitting when being static, and the rotation of the pipe fitting is assisted during welding.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a sectional view taken along the line a in fig. 2.

The device comprises a frame 1, a support 11, a support I, a support 12, a support II, a square groove 13, a sleeve 2, a limit screw I, a limit screw II, a tightening screw rod 3, a rotating handle I, a pushing block 32, a supporting roller 4, a support 41, a sliding block 42, a bidirectional screw rod 43, a rotating handle II 44, a sliding rod 45, a guide rod 5, a rubber sleeve 51, a rotating disc 6, an annular groove 61, a limit screw III 62 and a motor 7.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 3, a welding positioning fixture comprises a frame 1, wherein a first support 11 and a second support 12 are symmetrically arranged on the frame 1, a motor 7 is arranged on the first support 11, a rotary table 6 is connected to an output shaft of the motor 7, a guide rod 5 and an annular groove 61 are arranged in the center of the inner side of the rotary table 6, the annular groove 61 is coaxially sleeved on the base of the guide rod 5, a third limit screw 62 is arranged on the rotary table 6, a sleeve 2 is rotatably connected to the top of the second support 12, a jacking screw rod 3 is connected to the sleeve 2 in a threaded manner, a top block 32 is arranged at the inner end of the jacking screw rod 3, the top block 32 is coaxial with the guide rod 5, a second limit screw 22 is arranged between the support 41 and the sleeve 2, a first limit screw 21 is arranged between the sleeve 2 and the jacking screw rod 3, and a plurality of rolling support devices are arranged between the, the top of the rolling support device supports the pipe fitting during clamping and is in rolling contact with the pipe fitting during welding. The top block 32 is tapered.

In this embodiment, the rolling support device includes the opposite direction translation subassembly, the opposite direction translation subassembly is gone up and is equipped with two sets of supports 41 along guide rod 5 axial symmetry, all the rotation of support 41 top is connected with supporting roller 4.

In this embodiment, the opposite direction translation assembly includes square groove 13, square groove 13 is located between support one 11 and support two 12, the internal rotation of square groove 13 is connected with two-way screw 43, two end screw thread opposite direction of two-way screw 43, two bilateral symmetry of two-way screw 43 is equipped with slide bar 45, the both ends of slide bar 45 set firmly on square groove 13 inner wall, two end screw thread connection of two-way screw 43 have two sliders 42, and two sliders 42 set up along guide bar 5 axial symmetry, the both sides and two slide bar 45 sliding connection of slider 42, support 41 symmetry is located on slider 42.

In this embodiment, one end of the bidirectional screw 43 penetrates through the frame 1 and is provided with a second rotating handle 44, and the outer end of the tightening screw 3 is provided with a first rotating handle 31.

In this embodiment, the guide rod 5 is sleeved with a rubber sleeve 51.

The working process and principle are as follows:

before the welding, place the flange in ring channel 61, screw up three 62 fixed flanges of stop screw, will treat welded pipe fitting afterwards and arrange in on the supporting roller 4, insert the one end of pipe fitting on guide bar 5, screw up stop screw two 22, loosen stop screw one 21, rotate top tight screw 3, make kicking block 32 insert the other end of pipe fitting, and push up the pipe fitting gradually, one end and the flange laminating of pipe fitting, stall top tight screw 3, loosen stop screw two 22, screw up stop screw one 21, make sleeve pipe 2 and top tight screw can be along with the pipe fitting at two 12 tops, accomplish the fixed operation of centre gripping before the welding this moment internal rotation. During welding, the motor 7 is opened, the motor 7 drives the flange tightly pushed and the pipe fitting to rotate through the turntable 6, and at the moment, the flange and the pipe fitting are welded. During welding, the supporting roller 4 is attached to and supported by the outer wall of the pipe fitting and rotates along with the rotation of the pipe fitting.

When the pipe fittings of different pipe diameters are clamped, the bidirectional screw 43 can be rotated, the distance between the two sliding blocks 42 is adjusted, and then the distance between the supporting rollers 4 is adjusted, so that the clamping and positioning of the pipe fittings of different pipe diameters are met.

The rubber sleeve 51 can effectively increase the friction force of the guide rod 5 on the inner wall of the pipe fitting, and prevent the pipe fitting from slipping in the rotating process. The clamping and fixing of pipe fittings with different pipe diameters can be met by sleeving the rubber sleeves 51 with different thicknesses.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The welding positioning fixture is characterized by comprising a rack (1), wherein a first support (11) and a second support (12) are symmetrically arranged on the rack (1), a motor (7) is arranged on the first support (11), a rotary table (6) is connected onto an output shaft of the motor (7), a guide rod (5) and an annular groove (61) are arranged in the center of the inner side of the rotary table (6), the base of the guide rod (5) is coaxially sleeved with the annular groove (61), a third limit screw (62) is arranged on the rotary table (6), a sleeve (2) is rotatably connected to the top of the second support (12), a jacking screw rod (3) is in threaded connection with the sleeve (2), a jacking block (32) is arranged at the inner end of the jacking screw rod (3), the jacking block (32) is coaxial with the guide rod (5), and a second limit screw (22) is arranged between the support (41) and the sleeve (2), a first limiting screw (21) is arranged between the sleeve (2) and the jacking screw rod (3), a plurality of rolling supporting devices are arranged between the first support (11) and the second support (12), the tops of the rolling supporting devices support the pipe fittings during clamping, and the rolling supporting devices are in rolling contact with the pipe fittings during welding.

2. The welding positioning fixture according to claim 1, characterized in that the rolling support device comprises a pair of opposite translation assemblies, two sets of brackets (41) are symmetrically arranged on the opposite translation assemblies along the axial direction of the guide rod (5), and the top of each bracket (41) is rotatably connected with a support roller (4).

3. The welding positioning fixture according to claim 2, wherein the opposite translation assembly comprises a square groove (13), the square groove (13) is arranged between a first support (11) and a second support (12), a bidirectional screw (43) is rotatably connected in the square groove (13), the two ends of the bidirectional screw (43) are opposite in thread direction, sliding rods (45) are symmetrically arranged on two sides of the bidirectional screw (43), two ends of each sliding rod (45) are fixedly arranged on the inner wall of the square groove (13), two sliding blocks (42) are in threaded connection with two ends of the bidirectional screw (43), the two sliding blocks (42) are symmetrically arranged along the axial direction of the guide rod (5), two sides of each sliding block (42) are slidably connected with the two sliding rods (45), and the supports (41) are symmetrically arranged on the sliding blocks (42).

4. The welding positioning fixture according to claim 3, characterized in that one end of the bidirectional screw (43) penetrates through the frame (1) and is provided with a second rotating handle (44), and the outer end of the tightening screw (3) is provided with a first rotating handle (31).

5. A welding positioning fixture according to claim 4, characterized in that said guide rod (5) is sleeved with a rubber sleeve (51).