CN106591825B - Elbow interior wall automatic plasma cladding equipment - Google Patents

Elbow interior wall automatic plasma cladding equipment Download PDF

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Publication number
CN106591825B
CN106591825B CN201610909079.9A CN201610909079A CN106591825B CN 106591825 B CN106591825 B CN 106591825B CN 201610909079 A CN201610909079 A CN 201610909079A CN 106591825 B CN106591825 B CN 106591825B
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CN
China
Prior art keywords
elbow
cladding
interior wall
plasmatorch
plasma
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CN201610909079.9A
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Chinese (zh)
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CN106591825A (en
Inventor
陆峰
王元宗
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SHANDONG HAINA PLASMA TECHNOLOGY Co.,Ltd.
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Qinghai Hai Quan New Mstar Technology Ltd
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Publication of CN106591825A publication Critical patent/CN106591825A/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/02—Plasma welding
    • B23K10/027—Welding for purposes other than joining, e.g. build-up welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0252—Steering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps

Abstract

The invention belongs to material surface strengthening technical fields, and in particular to a kind of engineering elbow interior wall automatic plasma cladding equipment；The equipment includes rotating elbow component, which is driven by stepper motor acceleration and deceleration machine, facilitates speed regulation；Elbow tilt angle adjusts component, which is also driven by stepper motor, and cooperation cladding circle number adjusts elbow tilt angle along axis of curvature midpoint, to obtain best cladding position, completes inner wall cladding；Elbow height adjustment assembly, the component can guarantee that section where plasmatorch is overlapped with the intersection point of the axis of curvature with live spindle, to guarantee that centrifugation amount when rotating elbow is minimum, reduce the adjusting difficulty of plasmatorch；Plasmatorch wig-wag, cooperating spiral overlap joint that can obtain in elbow interior wall by the pendulous device, a layer thickness is uniform, the cladding layer of no latent defect, plasmatorch arc voltage Height-adjusting device, the device can change fine tuning plasma torch nozzle and inner wall distance according to the arc voltage of plasma beam, realize and stablize cladding；Elbow positioning component, the component are made of two bar steel plates with strip-shaped hole and fixed bottom plate.

Description

Elbow interior wall automatic plasma cladding equipment
Technical field
The invention belongs to material surface strengthening technical fields, and in particular to a kind of elbow interior wall automatic plasma cladding is set It is standby.
Background technique
Metal bends are widely used in carrying out material transferring in engineering field.Much using operating condition it is severe, the elbow service life compared with It is short, but replace elbow and will affect normal production, and cause economic loss and the wasting of resources.This requires elbows with superior resistance to Grind (anti-corrosion) performance.And it is always to perplex a problem of many enterprises that elbow interior wall, which is strengthened, some enterprises using argon arc welding or Gas metal-arc welding carries out the automatic surfacing of inside pipe wall to strengthen inside pipe wall, just early in Harbin institute of welding in 1992 Apply for the patent of automatic overlaying welding for inner wall of elbow, using filling silk, argon tungsten-arc welding carries out inside pipe wall built-up welding, though the patent It so can theoretically obtain uniform overlay cladding but there is also defects: 1, fill silk argon arc-welding built-up welding layer surface flatness relatively Difference；2, workpiece adjustment freedom degree is smaller；3, when workpiece rotation, the centrifugation amount difference of the different location relative rotation axi of elbow compared with Greatly, only it is difficult to adjust gun body position by arc voltage height-regulating device, especially when welding minor diameter elbow, welding gun can be blocked, Influence welding.A set of elbow automatic bead welding equipment has also been invented in Shandong Bo Run industry, and the equipment is using welding wire along the elbow axis of curvature Line single track built-up welding, and elbow is fixed, lap-joint's flatness of overlay cladding is undesirable when single track built-up welding, is not suitable for plasma melting It covers, and welding gun will affect built-up welding effect in vertical position welding or overhead welding state.
Summary of the invention
(1) technical problems to be solved
According to the above-mentioned deficiencies of the prior art, the technical problem to be solved in the present invention is to provide a kind of easy to operate, positioning Simply, it runs smoothly, surface forming beauty, cladding layer thickness is uniform, the superior elbow interior wall automatic plasma of cladding layer capability Cladding equipment strengthens elbow interior wall.
(2) technical solution
In order to solve appeal technical problem, the embodiment of the invention provides a kind of elbow interior wall automatic plasma claddings to set It is standby, comprising: rotating elbow component, the component are driven by stepper motor acceleration and deceleration machine, facilitate speed regulation；Elbow is along curvature axis Angle regulation component, the component are also driven by stepper motor, cooperate cladding position along the axially adjustable angle of bend of curvature, completion Wall cladding；Elbow height adjustment assembly, the component can guarantee that the curvature axle center of elbow cladding position is overlapped with live spindle, with Centrifugation amount when rotating elbow is reduced, the adjusting difficulty of plasmatorch is reduced；Plasmatorch wig-wag, can by the pendulous device A layer thickness is uniform to obtain in workpiece inner wall, and the cladding layer of no latent defect, plasma arc voltage Height-adjusting device, which can root The height of plasmatorch is adjusted according to the arc voltage of plasma beam, guarantees the height of nozzle and inside pipe wall, is realized and is stablized cladding；Elbow is fixed Hyte part, the component are made of two pieces of bar steel plates with strip-shaped hole and fixed bottom plate.
Wherein the rotation speed of elbow depends on elbow internal diameter, and main shaft does speed-changing rotation in elbow cladding process, abides by The constant principle of cladding efficiency is followed, the swinging distance and the speed of mainshaft of plasmatorch wig-wag are closely related, to guarantee cladding layer Uniformity；And elbow is while rotating, plasmatorch is synchronous to be retreated, to realize the synchronous overlap joint of cladding layer, rotation speed It is controlled with plasmatorch swinging distance by PLC, and can breakpoint recovery.
Further, angle of bend adjustment component and height adjustment component are driven by stepper motor, the every cladding of elbow one week It can be all adjusted automatically according to the tilt angle and height of the several pairs of elbows of circle of counter output afterwards, guarantee that elbow is in best Position facilitates cladding.
Further, plasma arc voltage Height-adjusting device, it is ensured that plasma torch nozzle is maintained at a distance from elbow interior wall Between 8-15mm, to guarantee the stabilization of cladding parameter, uniform cladding layer is obtained.
Further, elbow positioning component includes positioning plate and two pieces of strip bars, and when positioning makes the song of elbow as far as possible Rate axis centre point is overlapped with the central point of positioning plate, is bolted on bottom plate after then being blocked with strip bar i.e. Can, simply, conveniently.
The equipment is divided to elbow to two sections of progress claddings, and after elbow is positioned at positioning plate before cladding, live spindle is simultaneously Adjustment angle is in a horizontal position a port of elbow, then adjusts height adjustment device 13 and Level tune in Fig. 2 Device 14 is overlapped the curvature axis central point of elbow with live spindle, later by elbow pre-rotation certain angle, to facilitate Ion torch enters inside elbow；Because the every cladding one of workpiece enclose after will automatic rotary, workpiece returns every time after the completion of such cladding The sum of angle turned is equal to gyration of prewhirling, i.e., angle of bend resets after the completion of cladding, as shown in Figure 3.After the completion of pre-rotation Cladding can be carried out, cladding process carries out automatically, and counter 15 detects cladding circle number, and workpiece is automatic after cladding is enclosed in completion one The adjustment of angle and height is carried out, to reduce curvature axle center and the rotary shaft axle center deviation of plasmatorch place plane, is reduced molten The rotating centrifugal amount of circle where covering position.Elbow does speed-changing rotation when cladding, while plasmatorch does displacement swing, ensure that molten The thickness of coating.Cladding terminates, and plasmatorch exits elbow, as shown in Figure 3b, elbow can be carried out 180 rotations simultaneously automatically at this time It adjusts accordingly, then can carry out the cladding of second part.
Possessed by of the invention the utility model has the advantages that
The elbow automatic plasma cladding equipment elbow can independently carry out three-dimensional adjustment, and plasmatorch can independently carry out two Dimension adjustment, therefore can be according to cladding circle number automatic height adjustment and angle when easy to operate, simple, the easy to adjust, cladding of positioning Best cladding position is obtained, plasmatorch can guarantee the thickness of cladding layer according to rotating elbow speed adjust automatically swinging distance Degree, and plasma melting clad surface beautiful appearance, thickness is uniform, and plasma cladding is inner-wall reinforced using alloy powder progress, Yield of alloy is high, and cladding layer and matrix are in metallurgical bonding, can also be reasonably selected according to applying working condition powder powder systems (it is wear-resisting, Anti-corrosion or high temperature resistant).
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the main view of elbow height adjustment and Level tune component；
Fig. 3 (a) is the elbow tilt angle and relative position schematic diagram before cladding, and Fig. 3 (b) is the elbow inclination after cladding Angle and relative position schematic diagram.
In Fig. 1: 1, speed reducer；2, spindle drive belt；3, lead screw transmission belt；4, transmission shaft；5, clutch；6, silk Thick stick；7, plasmatorch wig-wag；8, arc voltage Height-adjusting device；9, powder feeder；10, angle of bend adjusts axis；11, fixed bracket；12, curved Head；13, elbow height adjustment assembly；14, bend horizontal adjusts component；15, cladding lap count；16, plasmatorch；17, Elbow fixes bottom plate.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
As shown in Figure 1, elbow interior wall automatic plasma cladding equipment includes elbow positioning and adjustment component, plasmatorch tune Whole group part two parts, elbow adjustment component are subdivided into elbow and rotate around the spindle component, elbow height and horizontal adjustment component and Angle of bend adjusts component.Elbow is fixed on fixed bottom plate (17) by fixing bracket (11), and angle adjusts stepper motor It exports axis center and the geometric center of the fixed bottom plate of elbow is concentric, which can drive bottom plate to rotate, thus in cladding Angle of bend is adjusted in journey.Elbow height adjusts component (13) and horizontal adjustment component (14) can adjust the height and level of elbow Position, to guarantee that elbow is in the optimum position of cladding, the power of rotating elbow comes from main shaft rotating stepper motor, and power is logical It crosses speed reducer (1) and conveyer belt (2) is sent to main shaft, main shaft drags elbow positioning component and elbow rotation again.Plasmatorch tune Whole group part includes turn-screw (6), wig-wag (7) and arc voltage Height-adjusting device (8) three parts, and the power of speed reducer passes through when cladding Conveyer belt (3) and transmission shaft (4) (clutch closure) drive to turn-screw (6), keep plasmatorch synchronous in rotating elbow It retreats, carries out spiral overlap joint；Wig-wag can carry out displacement swing, arc voltage Height-adjusting device according to the different rotary angle and speed of elbow Nozzle height is adjusted according to arc-plasma voltage, alloy powder is made to be sent into molten bath and keeps optimal cladding state.
Elbow makes the midpoint of its curvature axis and fixed bottom plate center be in same horizontal line, and elbow as far as possible when fixed Single port be in a horizontal position, then adjust elbow be turned up component (13) and bend horizontal adjusting component (14), make elbow Axis of curvature midpoint and live spindle are in same horizontal line, then by elbow pre-adjustment certain angle, elbow after pre-adjustment Angle and relative position such as Fig. 3 (a).Then manually adjusting lead screw (6) is located at plasmatorch immediately below axis of curvature midpoint, then It is closed clutch (5), carries out cladding (cladding carries out in two times) from the central position, adjust automatically rotating elbow speed in cladding process Degree, swinging distance and plasmatorch and elbow interior wall distance, and the elbow that often rotates a circle can carry out angle automatically and height adjusts, The angle of elbow and relative position are as shown in Figure 3 (b) when cladding to port.It is complete with same procedure after the complete first part of cladding At the cladding of second part.

Claims (5)

1. a kind of in engineering elbow interior wall automatic plasma cladding equipment, the equipment using plasma beam fusing elbow interior wall and by Powder feeder (9) is synchronous to be sent into alloy powder, and it is uniform wear-resisting or anti-corrosion that a layer thickness can be obtained on elbow interior wall space curved surface Cladding layer, it is characterised in that stepper motor drives rotating elbow, while the rotation of speed reducer by speed reducer (1) and transmission belt (2) Rotatory force is sent to lead screw (6) by driving belt (3), transmission shaft (4), and when clutch (5) closure, plasma may be implemented Moving horizontally for torch is synchronous with rotating elbow, i.e., ion torch retreats rotating elbow simultaneously, realizes the auto spiral overlap joint of cladding layer, Guarantee the integrality of cladding layer.
2. according to one kind described in right 1 in engineering elbow interior wall automatic plasma cladding equipment, it is characterised in that elbow is carrying out Component (14) can be adjusted by elbow height adjustment assembly (13), bend horizontal when positioning and elbow tilt angle adjusts output Axis (10) carries out the 3 D auto adjustment of height, horizontal position and tilt angle；When carrying out cladding, counter (15) detection is curved The rotating cycle of head, according to its output valve, elbow carries out angle adjustment, elbow height adjustment assembly around angular adjustment axle (10) (13) elbow height can be also adjusted, the intersection point and live spindle of elbow section and the axis of curvature where making plasma beam are in same height Degree facilitates the adjusting of plasmatorch to guarantee that elbow is minimum in the rotating centrifugal amount of cladding position.
3. one kind according to claim 1 is in engineering elbow interior wall automatic plasma cladding equipment, which is characterized in that swing The rotation angle of the swinging distance of device (7) and the rotation speed and elbow of elbow when rotating along main shaft is closely related, it then follows molten The constant principle of efficiency is covered, guarantees the uniformity of cladding layer thickness；Swinging distance and rotation speed are controlled by PLC.
4. it is according to claim 1 one kind in engineering elbow interior wall automatic plasma cladding equipment, which is characterized in that wait from Sub- torch (16) is adjusted at a distance from elbow interior wall by arc voltage Height-adjusting device (8), guarantees that plasmatorch works in optimum range, To obtain the cladding layer of high quality.
5. one kind according to claim 1 is in engineering elbow interior wall automatic plasma cladding equipment, which is characterized in that this sets Standby is and to be sent into alloy powder by powder feeder (9) are synchronous using plasma beam as heat source and formed wear-resisting or anti-corrosion cladding to molten bath Layer.
CN201610909079.9A 2016-10-19 2016-10-19 Elbow interior wall automatic plasma cladding equipment Active CN106591825B (en)

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Application Number Priority Date Filing Date Title
CN201610909079.9A CN106591825B (en) 2016-10-19 2016-10-19 Elbow interior wall automatic plasma cladding equipment

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Application Number Priority Date Filing Date Title
CN201610909079.9A CN106591825B (en) 2016-10-19 2016-10-19 Elbow interior wall automatic plasma cladding equipment

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CN106591825B true CN106591825B (en) 2019-02-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109807540A (en) * 2019-04-06 2019-05-28 邢二江 The automatic welder equipment of air filter of automobile air inlet pipe

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN102350567A (en) * 2011-09-26 2012-02-15 中国第一重型机械股份公司 TIG (Tungsten Inert Gas) automatic overlay-welding device for all circumferential positions on inner surface of 90-degree bent pipe and welding method thereof
CN102886592A (en) * 2012-09-27 2013-01-23 清华大学 Hyperbolic trace directional tangent constant-speed welding robot device
CN103537781A (en) * 2012-07-10 2014-01-29 洪泽东俊机械有限公司 Ocean Christmas tree pipeline automatic welding device
CN206405645U (en) * 2016-10-19 2017-08-15 青海海泉新材料科技有限公司 Elbow interior wall automatic plasma cladding equipment

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JPH11347726A (en) * 1998-06-02 1999-12-21 Mitsubishi Heavy Ind Ltd Curved tube inner surface welding equipment
WO2009036545A1 (en) * 2007-09-18 2009-03-26 1272507 Alberta Ltd. Apparatus for applying metallic cladding to interior surfaces of pipe elbows

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102350567A (en) * 2011-09-26 2012-02-15 中国第一重型机械股份公司 TIG (Tungsten Inert Gas) automatic overlay-welding device for all circumferential positions on inner surface of 90-degree bent pipe and welding method thereof
CN103537781A (en) * 2012-07-10 2014-01-29 洪泽东俊机械有限公司 Ocean Christmas tree pipeline automatic welding device
CN102886592A (en) * 2012-09-27 2013-01-23 清华大学 Hyperbolic trace directional tangent constant-speed welding robot device
CN206405645U (en) * 2016-10-19 2017-08-15 青海海泉新材料科技有限公司 Elbow interior wall automatic plasma cladding equipment

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Effective date of registration: 20201231

Address after: Room 101-4, block a, Longxiang business building, 88 Tianluo Road, high tech Zone, Jinan, Shandong 250100

Patentee after: SHANDONG HAINA PLASMA TECHNOLOGY Co.,Ltd.

Address before: No.33, Minhe Road, Chengdong economic and Technological Development Zone, Xining, Qinghai 810000

Patentee before: QINGHAI HAIQUAN NEW MATERIAL TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right