CN203281640U

CN203281640U - Processing apparatus for large-diameter thin-walled pipes

Info

Publication number: CN203281640U
Application number: CN2013202918254U
Authority: CN
Inventors: 王爱群; 吕根卫
Original assignee: LUOYANG DAZHI INDUSTRIAL Co Ltd
Current assignee: LUOYANG DAZHI INDUSTRIAL Co Ltd
Priority date: 2013-05-27
Filing date: 2013-05-27
Publication date: 2013-11-13
Anticipated expiration: 2023-05-27

Abstract

The utility model relates to a field of non ferrous metal processing, especially to a processing apparatus for large-diameter thin-walled pipes. The apparatus comprises a body, a spinning system used for processing pipe shapes and a welding system used for welding pipe joints, the spinning system and the welding system being mounted in the body. The apparatus can effectively improve quality of processed pipes, and meanwhile correspondingly reduce production cost.

Description

A kind of large-caliber thin-walled tubing processing unit (plant)

[technical field]

The utility model includes the non-ferrous metal manufacture field, especially relates to a kind of processing unit (plant) for for large-caliber thin-walled copper and acid bronze alloy tubing, carrying out spinning or welding.

[background technology]

known, because large-caliber thin-walled copper and strong, the anti-sea marine organism pollution characteristic of acid bronze alloy tubing seawater corrosion resistance impact property are outstanding and good welding performance, so it is widely used in condenser, desalinization piping and the Salt Industry of sea water piping system, generating equipment of warship industry, yet, due to existing processing unit (plant) when the profile of processing large-caliber thin-walled copper and acid bronze alloy tubing, because of copper and acid bronze alloy toughness larger, copper pipe diameter and the girth that need process are also larger, and the axle that is used for the copper pipe spinning wheel of rotary pressing processing in processing unit (plant) is fixed, namely the radial feeds of spinning wheel can't be adjusted in the copper pipe spinning process, thereby cause when the surface thickness of copper pipe changes, can not adjust the loading force of copper pipe surface, and then make the stressed size of copper pipe surface unstable in process, this has directly caused the tube wall of large-caliber thin-walled copper and acid bronze alloy tubing to form the tube wall crackle because easily ftracture, in addition, because being all usually adopts the method for whole drawing to carry out the processing of copper and acid bronze alloy tubing, and that this processing method has cost is higher, second-rate shortcoming, cylindrical fineness and the dimensional accuracy of large-caliber thin-walled copper and acid bronze alloy tubing have been affected greatly again simultaneously due to the tube wall crackle, therefore, it is poor that present large-caliber thin-walled copper and acid bronze alloy tubing have product quality, the defect that cost is higher.

[utility model content]

In order to overcome the deficiency in background technology, the utility model discloses a kind of large-caliber thin-walled tubing processing unit (plant), described device can effectively improve the pipe workpiece quality that processes, and can also reduce production costs accordingly simultaneously.

For realizing above-mentioned utility model purpose, the utility model adopts following technical scheme:

A kind of large-caliber thin-walled tubing processing unit (plant), described device comprise body and are arranged on the welding system that internal body is used for the spinning system of processing tubing profile and is used for welding tubing seam;

Described spinning system comprises drive motors and is positioned at the driving wheel of same vertical plane, loading wheel, unsteady spinning wheel and locating wheel; Described driving wheel is fixed in the middle part of body brace table, and the both sides on the corresponding drive wheel rims top of level are respectively equipped with one and load wheel, and the top of vertical corresponding driving wheel is provided with a locating wheel; Described driving wheel is driven and is rotated by the drive motors that is fixedly mounted on underpart; Described loading wheel bottom is by upper table surface corresponding be slidably connected of a loading wheel track base with the body brace table, and the loading wheel moves by the loading wheel hydraulic jack drive left and right horizontal that is fixed in organism sidewall; Described locating wheel drives and vertically moves up and down by the locating wheel hydraulic jack that is fixed in the body roof; Described two load between the wheel rim of wheel and corresponding driving wheel the unsteady spinning wheel of clamping placement one respectively;

Described welding system comprises welding base, heating jet pipe, stirs friction bar and weld seam pressure roller; Described welding base is located at the roof of body, spaced heating jet pipe, stirring friction bar and the weld seam pressure roller of being provided with successively of welding base bottom faces; Described heating jet pipe, stirring friction bar and weld seam pressure roller are positioned at same vertical plane, and the flame flame envelope of heating jet pipe ejection is positioned at same level with the spherical surface of stirring friction bar bottom and the lower rim of weld seam pressure roller; Described heating jet pipe is communicated with external air source by welding base; Described stirring friction bar is driven and is rotated by the stirring motor of being located at the welding base top.

Described large-caliber thin-walled tubing processing unit (plant), described loading wheel two ends spindle nose is corresponding hinged with the two ends spindle nose of corresponding unsteady spinning wheel.

Described large-caliber thin-walled tubing processing unit (plant), the outer wheel face of described unsteady spinning wheel are provided with is convenient to the protruding cambered surface that the corresponding tubing of unsteady spinning wheel moves axially.

Described large-caliber thin-walled tube forming device, described heating jet pipe, stirring friction bar and weld seam pressure roller are provided with the synchronous vertical lowering or hoisting gear.

, owing to adopting technical scheme as above, the utlity model has following beneficial effect:

The seam that large-caliber thin-walled tubing processing unit (plant) described in the utility model can form being docking together after the curved circle of respective plates accurately is reliable and effective to be welded together, thereby reaches the purpose that goes out the large-caliber thin-walled copper of better quality and acid bronze alloy tubing with low cost fabrication; In addition, described device can also be used for processing tubing profile, and can effectively avoid copper pipe surface crackle to occur in process, thereby fineness and the dimensional accuracy of copper pipe cylindrical have been guaranteed, and then effectively raise the large-caliber thin-walled copper that processes and the total quality of acid bronze alloy tubing, also reduced accordingly production cost simultaneously.

[description of drawings]

Fig. 1 is schematic diagram of the present utility model;

Fig. 2 is side schematic view of the present utility model.

In figure: 1, body; 2, drive motors; 3, driving wheel; 4, load wheel; 5, unsteady spinning wheel; 6, locating wheel; 7, brace table; 8, load the wheel track base; 9, load the wheel hydraulic jack; 10, locating wheel hydraulic jack; 11, tubing; 12, welding base; 13, heating jet pipe; 14, stir the friction bar; 15, weld seam pressure roller; 16, stirring motor;

[specific embodiment]

Can explain in more detail the utility model by the following examples, open the purpose of this utility model is intended to protect all changes and improvements in the utility model scope, and the utility model is not limited to the following examples:

1～2 described large-caliber thin-walled tubing processing unit (plant) by reference to the accompanying drawings, described device comprise body 1 and are arranged on the inner welding system that is used for the spinning system of processing tubing 11 profiles and is used for welding tubing 23 seams of body 1; Described spinning system comprises drive motors 2 and is positioned at the driving wheel 3 of same vertical plane, loading wheel 4, unsteady spinning wheel 5 and locating wheel 6; Described driving wheel 3 is fixed in the middle part of body 1 brace table 7, and driving wheel 3 is driven and rotated by the drive motors 2 that is fixedly mounted on body 1 bottom; The both sides on the corresponding driving wheel 3 wheel rim tops of level are respectively equipped with one and load wheel 4, and the top of vertical corresponding driving wheel 3 is provided with a locating wheel 6; Described loading wheel 4 bottoms are by upper table surface corresponding be slidably connected of a loading wheel track base 8 with body 1 brace table 7, and loading wheel 4 carries out left and right horizontal by loading wheel hydraulic jack 9 drives of being fixed in body 1 sidewall and moves, namely load wheel hydraulic jack 9 and can drive and load wheel 4 and utilize and load wheel track bases 8 carry out moving left and right of level on brace table 7, thereby reach, load wheel 4 by two and support the purpose of clamping tubing 11;

described locating wheel 6 can be by being fixed in body 1 roof the drive of locating wheel hydraulic jack 10 carry out vertical up and down lifting action, namely be arranged in the locating wheel 6 that floats spinning wheels 5 and be positioned at tubing 11 tops in two of tubing 11 bottoms and played and made tubing 11 be able to the accurately effect of location in process together, for being more conducive to the rotary pressing processing to tubing 11, can be before processing load the unsteady spinning wheel 5 of clamping placement one between wheel 4 and corresponding driving wheel 3 wheel rims two respectively, be that two unsteady spinning wheels 5 of described spinning system employing and a locating wheel 6 are tangent with tubing 11, and by the revolution that driving wheel 3 and the secondary transmission of unsteady spinning wheel 5 make tubing 11 can carry out synchronizeing in the same way with driving wheel 3, move, thereby the centripetal spinning force that unsteady spinning wheel 5 and locating wheel 6 are formed tubing 11, simultaneously, also by two unsteady spinning wheels 5, met the requirement of stable tubing 11 surperficial stressed sizes in process,

For ease of placing the spinning wheel 5 that floats, can be with the spindle nose at loading wheel 4 two ends and corresponding hinged with this spindle nose that loads unsteady spinning wheel 5 two ends corresponding to wheel 4, thereby the spinning wheel 5 that only needs to float before processing tubing 11 turns to relevant position along the outer wall that loads wheel 4, and then places tubing 11 and namely can reach very easily the purpose of by two, floating the common clampings support of spinning wheel 5 tubing 11; In addition, produce the plastic elongation distortion for being more conducive to tubing 11, reach and utilize the spinning wheel 5 that floats continuously tubing 11 small area to be carried out the purpose of cubic deformation wall thickness reduction, the outer wheel face of described unsteady spinning wheel 5 is provided with is convenient to the protruding cambered surface that the unsteady corresponding tubing 11 of spinning wheel 5 moves axially;

Described welding system adopts before the technique basis of diffusion friction welding (FW) and carries out the preheating in early stage, thereby utilizes the preheating in early stage to make the residual stress of tubing 11 little, and is not yielding; This welding system comprises welding base 12, heating jet pipe 13, stirs friction bar 14 and weld seam pressure roller 15; Described welding base 12 is located at the roof of body 1, spaced heating jet pipe 13, stirring friction bar 14 and the weld seam pressure roller 15 of being provided with successively of welding base 12 bottom faces; Described heating jet pipe 13, stirring friction bar 14 and weld seam pressure roller 15 are positioned at same vertical plane, and the flame flame envelope of heating jet pipe 13 ejection is positioned at same level with the spherical surface that stirs friction bar 14 bottoms and the lower rim of weld seam pressure roller 15, thereby effectively reached, makes described welding send out the purpose that system can accurate corresponding tubing 11 seams; Tubing 11 for ease of the processing different tube diameters, described heating jet pipe 13, stirring friction bar 14 and weld seam pressure roller 15 are connected with the synchronous vertical lowering or hoisting gear, thereby can utilize this vertical lift device to make heating jet pipe 13, stirring friction bar 14 and weld seam pressure roller 15 synchronously carry out the vertical lift action, and then reach the purpose that can adapt to different tube diameters tubing 11 when welding operation;

Described heating jet pipe 13 is communicated with outside corresponding source of the gas by welding base 12, thereby only need to light gas that heating jet pipe 13 shower nozzle places spray when processing, can reach the purpose that the seam crossing flame to tubing 11 heats; Described stirring friction bar 14 is driven and is rotated by the stirring motor 16 of being located at welding base 12 tops, be that stirring motor 16 drives while stirring 14 rotation of friction bar, stirring that the spherical surface that stirs friction bar 14 bottoms heat the flame that is heated jet pipe 13 ejections simultaneously and tubing 11 seam crossings that produce plastic flow rub, thus make the composition surface of tubing 11 seam crossings reach the purpose that molecular diffusion also fuses; Subsequently, then by the 15 pairs of tubing that has fused 11 seams of weld seam pressure roller, carry out spinning, guaranteed any surface finish of tubing 11 without prominent bag, thereby met the tubing 11 outside dimension precision requirements accurately that process.

Implement large-caliber thin-walled tubing processing unit (plant) described in the utility model, when needs processing tubing profile, first tubing 11 is placed in corresponding supporting mould outer wall, make the inwall of tubing 11 obtain stable support, make again tubing 11 be in level, and an end of tubing 11 is placed between two unsteady spinning wheels 5 and locating wheel 6 and is fixed, then, driving by driving wheel 3 spinning wheel 5 that floats rotates, and drive simultaneously tubing 11 rotations, thereby reach the purpose of utilizing the two same circular sections of floating

spinning wheels

5 and 6 pairs of tubing 11 of a locating wheel to process; In rotary pressing processing, make tubing 11 to be processed slowly by described device by corresponding induction system, thereby utilize described device to complete rotary pressing processing to tubing 11 integral body; Make large-caliber thin-walled tubing when utilizing corresponding non-ferrous metal plate, while needing after the curved circle of welded blank to be docking together the seam that forms, only need to curve sheet material cylindraceous steadily by in described device utilizing corresponding induction system to make, to the seam in requisition for welding, and abutment joint carries out welding operation and gets final product with described welding system; Control the action of described device for ease of automation, described spinning system and welding system all can be realized automatically controlling and monitoring by corresponding industrial control computer system.

The utility model does not describe part in detail for prior art, therefore the utility model is not described in detail.

Claims

1. large-caliber thin-walled tubing processing unit (plant), described device comprises body (1) and is arranged on the welding system that body (1) inside is used for processing the spinning system of tubing (11) profile and is used for welding tubing (11) seam, it is characterized in that: described spinning system comprises drive motors (2) and is positioned at the driving wheel (3) of same vertical plane, loading wheel (4), unsteady spinning wheel (5) and locating wheel (6); Described driving wheel (3) is fixed in the middle part of body (1) brace table (7), and the both sides on corresponding driving wheel (3) the wheel rim top of level are respectively equipped with one and load wheel (4), and the top of vertical corresponding driving wheel (3) is provided with a locating wheel (6); Described driving wheel (3) is driven and is rotated by the drive motors (2) that is fixedly mounted on body (1) bottom; Described loading wheel (4) bottom is by upper table surface corresponding be slidably connected of a loading wheel track base (8) with body (1) brace table (7), and loading wheel (4) moves by loading wheel hydraulic jack (9) the drive left and right horizontal that is fixed in body (1) sidewall; Described locating wheel (6) drives and vertically moves up and down by the locating wheel hydraulic jack (10) that is fixed in body (1) roof; Described two load the unsteady spinning wheel (5) of difference sandwiched between the wheel rim of taking turns (4) and driving wheel (3);

Described welding system comprises welding base (12), heating jet pipe (13), stirs friction bar (14) and weld seam pressure roller (15); Described welding base (12) is located at the roof of body (1), spaced heating jet pipe (13), stirring friction bar (14) and the weld seam pressure roller (15) of being provided with successively of welding base (12) bottom faces; Described heating jet pipe (13), stirring friction bar (14) and weld seam pressure roller (15) are positioned at same vertical plane, and the flame flame envelope of heating jet pipe (13) ejection is positioned at same level with the spherical surface of stirring friction bar (14) bottom and the lower rim of weld seam pressure roller (15); Described heating jet pipe (13) is communicated with external air source by welding base (12); Described stirring friction bar (14) is driven and is rotated by the stirring motor (16) of being located at welding base (12) top.

2. large-caliber thin-walled tubing processing unit (plant) according to claim 1 is characterized in that: described loading wheel (4) two ends spindle nose is corresponding hinged with the two ends spindle nose of corresponding unsteady spinning wheel (5).

3. large-caliber thin-walled tubing processing unit (plant) according to claim 1 is characterized in that: the outer wheel face of described unsteady spinning wheel (5) is provided with the protruding cambered surface that the corresponding tubing of spinning wheel (5) (11) of being convenient to float moves axially.

4. large-caliber thin-walled tubing processing unit (plant) according to claim 1 is characterized in that: described heating jet pipe (13), stir friction bar (14) and weld seam pressure roller (15) is provided with the synchronous vertical lowering or hoisting gear.