CN213003405U

CN213003405U - Suspension type automatic centering pipe making device

Info

Publication number: CN213003405U
Application number: CN202021095377.7U
Authority: CN
Inventors: 黄卫; 刘迎春; 许晓乐; 刘家豪; 秦海军
Original assignee: AVIC Shaanxi Aircraft Industry Group Corp Ltd
Current assignee: Shaanxi Aircraft Industry Co Ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-20
Anticipated expiration: 2030-06-12

Abstract

The utility model belongs to the field of mechanical manufacturing process equipment, and discloses a suspension type automatic centering pipe making device which mainly comprises a cantilever beam, a hook, a mandrel and the like, wherein a guide pipe is positioned in the mandrel by utilizing the reaction force so as to weld a longitudinal seam of the guide pipe; when this device had solved old frock to the pipe location, axial rotation scheduling problem when thin wall pipe material overlaps, butt joint clearance skew, butt joint clearance is inhomogeneous and the pipe moves ahead the welding possesses locking effectual, the even characteristics of self-centering and butt joint, and the pipe is fixed along axial position, and speed accessible motor is adjusted, guarantees that the even precision of welding is high, and welding process is reliable, high-efficient.

Description

Suspension type automatic centering pipe making device

Technical Field

The utility model belongs to the mechanical manufacturing process equipment field relates to the suspension type tubulation device that utilizes reverse connection structure, concretely relates to suspension type automatic centering tubulation device.

Background

An automatic argon arc longitudinal seam welding machine is generally used for welding aviation catheters, and is efficient and general automatic welding equipment without welding deformation, but the equipment has high requirements on positioning and clamping of parts. After the original automatic longitudinal seam welding machine for the guide pipe clamps the guide pipe, the guide pipe is extruded and positioned by the roller, so that the problems of overlapping of thin-wall guide pipe materials, offset and uneven butt seam gaps, axial rotation of the guide pipe during forward welding and the like are caused.

Because the aviation conduit has small diameter, long length, large self rigidity and large integral production difficulty, the existing automatic welding equipment adopts a method of pressing a spring by keys and rollers to fix parts, the conduit clamping speed is low, the requirements on the gap and the straightness of the butt joint of the conduit are very high, the position of the conduit is not accurate, and the position of the welding seam is easy to deviate, so that the welding seam quality is poor, the welding efficiency is low, the labor cost is high, the welding seam is not uniform due to the clamping error and other reasons, the quality requirement of the aviation conduit is difficult to achieve, and the qualification rate of the produced product is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a suspension type self-centering tubulation device, its connected mode is simple, stable, but self-centering, and butt joint clearance skew, butt joint clearance are inhomogeneous, have convenient operation, easy maintenance, mobilizable characteristics.

The technical scheme of the utility model is that: a suspension type automatic centering pipe making device comprises a bottom plate, a plurality of suspension positioning structures and a mandrel, wherein the plurality of suspension positioning structures are arranged on the bottom plate, and the mandrel is arranged among the plurality of suspension positioning structures; the suspension positioning structure comprises a cantilever beam, a positioning plate hook and a fixing plate hook, the cantilever beam comprises two support columns and a cross beam, the cross beam of the cantilever beam is connected with the bottom plate through the two support columns, the positioning plate hook and the fixing plate hook are connected below the cross beam, a lower top structure is arranged at the bottom of the positioning plate hook, an upper hook structure is arranged at the bottom of the fixing plate hook, and the mandrel is connected with the lower top structure of the positioning plate hook and the upper hook structure of the fixing plate hook. The part to be processed is sleeved outside the mandrel, the upper end of the part to be processed is fixed by the upper hook structure, and the lower end of the part to be processed is abutted by the lower ejection structure, so that automatic centering is realized.

Furthermore, the connecting points of the two supporting columns of the cantilever beams of the plurality of suspension positioning structures and the bottom plate are arranged on two straight lines, and all the positioning plate hooks and the fixing plate hooks are parallel to each other. The guide pipe is arranged on the aligned suspension positioning structure, so that the gap between the butt joints is not deviated and is uniform.

Furthermore, the positioning plate hook is connected with the cross beam through a first adjusting mechanism, and the fixing plate hook is connected with the cross beam through a second adjusting mechanism. The adjusting mechanism can be an adjusting nut, an adjusting bolt and the like, and the distance between the lower top structure of the positioning plate hook and the upper hook structure of the fixing plate hook can be adjusted by controlling the adjusting mechanism, so that the guide pipes with different pipe diameters can be processed.

Furthermore, the device also comprises rollers, and the rollers are arranged on the upper surface of the mandrel. The part to be machined can be moved axially by means of rollers on the upper surface of the mandrel.

Furthermore, the cantilever beam support device further comprises a base plate, and the support column of the cantilever beam is connected with the bottom plate through the base plate. The backing plates of various models can be prepared, and when the guide pipes with different pipe diameters are processed, the height of the cantilever beam can be increased or decreased by replacing different backing plates.

Furthermore, the support column of the cantilever beam is connected with the bottom plate through a height adjusting mechanism. The height of the cantilever beam can be increased or decreased by the method, and the cantilever beam can be used for machining the conduits with different pipe diameters.

The utility model has the advantages that: the suspension type automatic centering pipe making device can allow pipes with different diameters to be welded on a clamp, and solves the problems of fixing of lining supporting wheels on the inner wall of the pipe and axial rotation of the pipe during automatic welding of aviation pipes; the automatic and efficient welding of the aviation conduit is realized, the welding seams are ensured to be at the same height, and the problem that the welding seams are different in height after the conduit is installed by the original longitudinal seam welding machine is solved; when welding the straight pipe, possess locking effectual, self-centering and the even characteristics of butt joint, the pipe is fixed along axial position, and speed accessible motor is adjusted, guarantees that the even precision of welding is high, and welding process is reliable, high-efficient.

Drawings

Fig. 1 is a side view of an apparatus according to an embodiment of the present invention;

fig. 2 is a front view of a positioning plate hook and a fixing plate hook according to an embodiment of the present invention;

fig. 3 is a bottom view of the mandrel according to an embodiment of the present invention;

fig. 4 is a top view of a mandrel according to an embodiment of the present invention.

FIG. 5 mandrel clamping cross-sectional view

The machining method comprises the following steps of 1-base plate, 2-backing plate, 3-roller, 4-cantilever beam, 5-nut, 6-screw, 7-positioning plate hook, 8-fixing plate hook, 9-mandrel and 10-part to be machined.

Detailed Description

This section is an embodiment of the present invention for explaining and explaining the technical solution of the present invention.

A suspension type automatic centering pipe making device comprises a bottom plate 1, a plurality of suspension positioning structures and a mandrel 9, wherein the plurality of suspension positioning structures are arranged on the bottom plate 1, and the mandrel 9 is arranged among the plurality of suspension positioning structures; wherein, hang location structure and include cantilever beam 4, locating plate hook 7 and fixed plate hook 8, cantilever beam 4 includes two support columns and a crossbeam, the crossbeam of cantilever beam 4 is connected with bottom plate 1 through two support columns, locating plate hook 7 and fixed plate hook 8 are connected in the crossbeam below, locating plate hook 7 bottom is equipped with a lower top structure, fixed plate hook 8 bottom is equipped with an upper hook structure, dabber 9 is connected with the lower top structure of locating plate hook 7 and the upper hook structure of fixed plate hook 8. The part 10 to be processed is sleeved outside the mandrel 9, the upper end of the part is fixed by the upper hook structure, and the lower end of the part is propped by the lower propping structure, so that automatic centering is realized.

The connection points of the two supporting columns of the cantilever beams 4 of the plurality of suspension positioning structures and the bottom plate 1 are arranged on two straight lines, and all the positioning plate hooks 7 and the fixed plate hooks 8 are parallel to each other. The guide pipe is arranged on the aligned suspension positioning structure, so that the gap between the butt joints is not deviated and is uniform.

The positioning plate hook 7 is connected with the cross beam through a first adjusting mechanism, and the fixing plate hook 8 is connected with the cross beam through a second adjusting mechanism. The adjusting mechanism can be an adjusting nut, an adjusting bolt and the like, and the distance between the lower ejection structure of the positioning plate hook 7 and the upper hook structure of the fixing plate hook 8 can be adjusted by controlling the adjusting mechanism, so that the catheters with different calibers can be processed.

The rolling machine also comprises a plurality of rollers 3, and the rollers 3 are arranged on the upper surface of the mandrel 9. The part 10 to be machined can be moved axially by means of the rollers 3 on the upper surface of the mandrel 9.

The support column of the cantilever beam 4 is connected with the bottom plate 1 through the backing plate 2. The base plates 2 with various models can be prepared, and when the guide pipes with different pipe diameters are processed, the height of the cantilever beam 4 can be increased or decreased by replacing different base plates.

The supporting column of the cantilever beam 4 can also be connected with the bottom plate 1 through a height adjusting mechanism to raise or lower the height of the cantilever beam 4 for processing the guide pipes with different pipe diameters.

Another embodiment of the present invention is described below with reference to the drawings.

The structure of the device is shown in figure 1, and comprises a bottom plate 1, a backing plate 2, a roller 3, a cantilever beam 4, a nut 5, a screw rod 6, a positioning plate hook 7, a fixing plate hook 8 and a mandrel 9. The three parts of the cantilever beam 4 are respectively welded on the parts of the backing plate 2, and then are fixed on the bottom plate 1 through the nut 5 and the screw 6 to form a main body of the device, a positioning plate hook 7 and a fixed plate hook 8 are arranged at the position of the illustration of the parts of the cantilever beam 4 for fixing the mandrel 9, and the roller 3 is arranged inside the mandrel 9.

The bottom plate 1 is a cuboid plate, the thickness is determined according to requirements, a main body bottom plate of the device is formed, a through hole is formed in the bottom plate, and a No. 2 base plate and other equipment are fixed through a No. 5 nut and a No. 6 screw rod.

Backing plate 2 is the cuboid board, and its length and width is greater than No. 4 cantilever beams, solves the pipe processing of different pipe diameters, changes different backing plates.

The cantilever beam 4 is a trapezoidal frame structure, is made of square materials, and is provided with a through hole at the top end.

The positioning plate hook 7 consists of a main body plate, a material distribution groove and a lower ejection structure (ejector rod), and the thickness of the material distribution groove is in order to ensure the butt joint clearance of the guide pipe.

The fixed plate hook 8 comprises a main body plate, a distributing groove and an upper hook structure (hook rod), and the thickness of the distributing groove is accurate to guarantee the gap between the butt seams of the guide pipes.

And the mandrel 9 is manufactured by slotting a seamless pipe and is used for installing a No. 3 roller and inserting a No. 7 positioning plate hook and a No. 8 fixing plate hook.

The device is specifically installed as follows:

1) manufacturing all parts in the utility model;

2) at first, weld cantilever beam 4 on backing plate 2 separately, rethread nut 5 and screw rod 6 are fixed in on the bottom plate 1, constitute the utility model discloses a device whole frame.

3) Secondly, three pairs of positioning plate hooks 7 and the fixing plate hooks 8 are combined for use, the fixing plate hooks 8 are firstly inserted into corresponding slots of the core shaft 9, the material distributing groove is moved to the small opening to hang the core shaft, and then the positioning plate hooks 7 are inserted into the corresponding slots to form reaction force to position the core shaft 9.

4) And finally, fixing the fixed mandrel 9 and the plate hook component on the cantilever beam 4 through the nut 5 and the screw 6 to form the device.

The device has the following use process:

the rolled part 10 to be processed of the straight pipe to be welded is inserted into the mandrel 9, the longitudinal seam of the part 10 to be processed to be welded is inserted into the material distribution groove of the positioning plate hook 7 and the fixing plate hook 8 in an aligned mode, the part is guaranteed not to rotate axially, and the straight pipe completes welding feeding motion relative to a welding gun.

Claims

1. A suspension type automatic centering pipe making device is characterized by comprising a bottom plate (1), a plurality of suspension positioning structures and a mandrel (9), wherein the plurality of suspension positioning structures are arranged on the bottom plate (1), and the mandrel (9) is arranged among the plurality of suspension positioning structures; the hanging positioning structure comprises a cantilever beam (4), a positioning plate hook (7) and a fixing plate hook (8), the cantilever beam (4) comprises two support columns and a cross beam, the cross beam of the cantilever beam (4) is connected with the bottom plate (1) through the two support columns, the positioning plate hook (7) and the fixing plate hook (8) are connected below the cross beam, a lower top structure is arranged at the bottom of the positioning plate hook (7), an upper hook structure is arranged at the bottom of the fixing plate hook (8), and a mandrel (9) is connected with the lower top structure of the positioning plate hook (7) and the upper hook structure of the fixing plate hook (8); the part (10) to be processed is sleeved outside the mandrel (9), the upper end of the part is fixed by the upper hook structure, and the lower end of the part is propped by the lower propping structure, so that automatic centering is realized.

2. A suspended self-centering pipe-making device according to claim 1, characterized in that the attachment points of the two support columns of the cantilever beams (4) of the plurality of suspended positioning structures to the base plate (1) are arranged in two straight lines, and all the positioning plate hooks (7) and the fixed plate hooks (8) are parallel to each other.

3. A suspended self-centering pipe-making device according to claim 1, wherein the positioning plate hook (7) is connected to the cross beam by a first adjusting mechanism, and the fixed plate hook (8) is connected to the cross beam by a second adjusting mechanism.

4. A suspended self-centering pipe-making device according to claim 1, further comprising rollers (3), a plurality of rollers (3) being provided on the upper surface of the mandrel (9); the part (10) to be machined can be moved axially by means of the rollers (3) on the upper surface of the mandrel (9).

5. A suspended self-centering pipe-making device according to claim 1, further comprising a backing plate (2), wherein the supporting column of the cantilever beam (4) is connected with the base plate (1) through the backing plate (2).

6. A suspended self-centering pipe-making device according to claim 1, wherein the supporting column of the cantilever beam (4) is connected to the base plate (1) by means of a height adjustment mechanism.