CN110055527B - Position changing table device of large-diameter pipeline inner wall cladding machine - Google Patents

Position changing table device of large-diameter pipeline inner wall cladding machine Download PDF

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Publication number
CN110055527B
CN110055527B CN201910396485.3A CN201910396485A CN110055527B CN 110055527 B CN110055527 B CN 110055527B CN 201910396485 A CN201910396485 A CN 201910396485A CN 110055527 B CN110055527 B CN 110055527B
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main
carousel
main shaft
box body
cantilever
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CN110055527A (en
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高冠群
马洪文
张春鹏
邸乔月
龚锐
程煜
王宇
党红星
商志全
王茁
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Harbin Engineering University
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Harbin Engineering University
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manipulator (AREA)

Abstract

The invention provides a large-diameter pipeline inner wall cladding machine displacement table device which comprises a displacement table main shaft, a main large arm A, a cantilever B, a box body and other components. The device is characterized in that a main shaft of the deflection table is placed in a box body of the deflection table, the tail end of the main shaft of the deflection table is connected with a main large arm, and the main large arm is driven to rotate through spline connection. The cantilever is used for supporting and rotating a large-diameter circular tube and ensuring that the central axis of the circular tube is completely coincided with the central axis of the displacement table. The main big arm is connected with the main shaft of the deflection table and the cantilever. The large-diameter circular tube cladding machine mainly aims at the large-diameter circular tube with the inner wall corroded due to the working environment, and can complete cladding work on the inner wall of a pipeline after one-time clamping. The device mainly realizes the deposition work of the large-diameter circular tube through the displacement table and the multi-degree-of-freedom manipulator.

Description

Position changing table device of large-diameter pipeline inner wall cladding machine
Technical Field
The invention relates to a position changing table device of a large-diameter pipeline inner wall cladding machine, belonging to advanced manufacturing equipment.
Background
With the dramatic progress of modern society, economy, industry and agriculture, the requirements for various products are rapidly improved. Most parts need to operate for a long time and without failure under the extreme environments of high temperature, high pressure, high movement speed or high intellectualization, and the like, so that the parts have higher performance requirements on materials used by the parts. The parts can meet the requirement through integral composite heat treatment by using methods of special materials, special designs, special structures and the like. However, the cost of some materials is quite expensive. In actual production practice, only one layer of material with corrosion resistance, wear resistance, high temperature resistance and high pressure resistance is required to be covered on the surface of a part, and meanwhile, the core part of the material can be ensured to have stronger toughness, so that the surface cladding technology becomes a new industry.
The surface deposition technique is to coat the surface to be deposited with a layer of wear-resistant or corrosion-resistant alloy by melting the alloy material during heating. The wear-resistant alloy layer is deposited on the surface of the part to be deposited, so that the wear-resistant and impact-resistant performances of the surface of the part can be improved, the service life of the part can be greatly prolonged, the material consumption is greatly saved, the economical efficiency is obviously improved, and the indexes of the part can not be damaged.
The surface cladding technology is an effective mode for solving the problems of short service life of parts and insufficient strength and performance of the parts. The large-diameter circular tube deposition machine can deposit the inner wall of the large-diameter circular tube by adopting a surfacing welding technology. The large-diameter circular tube is supported and rotated by the displacement table, and then is subjected to cladding operation by a multi-degree-of-freedom manipulator clamping cladding gun. At present, similar products are few in the market, and the device can play a great positive role in the development of the manufacturing industry in China. The device plays an important and irreplaceable role in the research of the large-diameter circular tube cladding machine.
The displacement table device of the large-diameter pipeline inner wall cladding machine is used as a large core part of a cladding mechanism, and the rotation and positioning functions of a large-diameter circular pipe are realized, so that the subsequent cladding work is completed.
Disclosure of Invention
The invention aims to provide a displacement table device of a large-diameter pipeline inner wall cladding machine, which is suitable for large-diameter circular pipes with the pipe length of 700-1000 mm and the diameter of 200-500 mm. The cladding machine is applied to T-shaped, Y-shaped and K-shaped tee cladding; and the deposition speed reaches 30 mm/min.
The purpose of the invention is realized as follows: comprises a box body, a worm and gear reducing motor arranged on the box body, a pinion arranged on the output end of the worm and gear reducing motor, a shifting table main shaft arranged in the box body, a main shaft big gear arranged on the shifting table main shaft, a main big arm arranged at the end part of the shifting table main shaft, and a cantilever arranged on the main big arm, wherein the main shaft big gear is meshed with the pinion, the main big arm comprises a main arm steel plate arranged at the end part of the shifting table main shaft through a spline, two main arm guide rails are symmetrically arranged on the main arm steel plate, a main arm rack is arranged between the two main arm guide rails,
the cantilever is including setting up the cavity box in the main arm guide rail, the little servo motor of setting on cavity box terminal surface, install the speed reduction pinion on little servo motor output, speed reduction pinion and main arm rack toothing, be provided with the backup pad in the cavity box, be provided with carousel guide rail and two cantilever lead screws in the backup pad, still be provided with two cantilever lead screw motors in the cavity box outside, and the output of two cantilever lead screw motors is connected with the cantilever lead screw respectively, install the carousel on the carousel guide rail and support, the carousel supports still with two cantilever lead screw connections, carousel support below sets up speed reduction motor, speed reduction motor's output installation carousel pinion, be provided with the carousel axle on the carousel support, the epaxial carousel gear wheel of installing of carousel, carousel pinion and carousel gear wheel toothing, carousel axle upper end is provided with the carousel.
The invention also includes such structural features:
1. the box body comprises an upper box body and a lower box body which are connected with each other, a small box body is arranged on the upper box body, and the small gear is located in the small box body.
2. Two ends of the main shaft of the position changing table are positioned through the main shaft end cover and the big end cover.
Compared with the prior art, the invention has the beneficial effects that: the large-diameter circular tube cladding machine mainly aims at the large-diameter circular tube with the inner wall corroded by the working environment, and can complete cladding work on the inner wall of a pipeline after one-time clamping. The device mainly realizes the deposition work of the large-diameter circular tube through the displacement table and the multi-degree-of-freedom manipulator. The device can deposit a wear-resistant alloy layer on the surface of a part to be deposited, so that the wear resistance and impact resistance of the part can be improved, the service life of the part can be greatly prolonged, the material consumption is saved, the economical efficiency is obviously improved, and the index of the part per se cannot be damaged.
Drawings
FIG. 1 is an isometric view of an indexing table for supporting and rotating large diameter tubulars;
FIG. 2 is an isometric view of an indexing table for supporting and positioning large diameter tubulars;
FIG. 3 is a front view of the indexing table spindle for supporting and rotating the main boom;
FIG. 4 is a left side view of the indexing table spindle for supporting and rotating the main boom;
FIG. 5a is a front view of a cantilever of an indexing table for supporting and rotating a large diameter tubular, and FIG. 5b is an enlarged partial schematic view of FIG. 5 a;
FIG. 6 is a top plan view of the cantilever of the indexing table for supporting and rotating large diameter round tubes.
FIG. 7 is an isometric cantilever view of an indexing table for supporting and rotating large diameter tubulars.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
With reference to fig. 1 to 7, the present invention includes components such as a main shaft of a shift table, a main arm a, a cantilever B, a box body, etc. The device is characterized in that a main shaft of the deflection table is placed in a box body of the deflection table, the tail end of the main shaft of the deflection table is connected with a main large arm, and the main large arm is driven to rotate through spline connection. The cantilever is used for supporting and rotating a large-diameter circular tube and ensuring that the central axis of the circular tube is completely coincided with the central axis of the displacement table. The main big arm is connected with the main shaft of the deflection table and the cantilever.
The large-diameter pipeline inner wall cladding machine displacement table device comprises a displacement table main shaft 1, a main shaft end cover 2, a worm gear speed reducing motor 3, a pinion 4, a small box body 5, a main shaft big gear 6, a big end cover 7, a spline fixing end cover 8, an upper box body 9, a lower box body 10, a main arm steel plate 11, a spline 12, a main arm guide rail 13, a rotary table 14, a rotary table shaft 15, a rotary table big gear 16, a rotary table pinion 17, a rotary table support 18, a rotary table guide rail 19, a cantilever lead screw 20, a cantilever lead screw seat 21, a sliding block coupling 22, a lead screw motor support 23, a cantilever lead screw motor 24, a support plate 25, a speed reducing motor 26, a speed reducing pinion 27, a main arm rack.
The worm gear motor 3 provides power, realizes the purpose of speed reduction and switching-over through the worm gear, drives pinion 4 through the key-type connection and rotates, and pinion 4 is located little box 5, and pinion 4 below is main shaft gear wheel 6, overlaps on the platform main shaft 1 that shifts, realizes gear drive through the gear engagement motion of pinion 4 and main shaft gear wheel 6. The tail end of the displacement table main shaft 1 is connected with a spline 12 and is connected with a main large arm through the spline 12, and the displacement table main shaft 1 is positioned left and right through a main shaft end cover 2 and a large end cover 7. The main shaft 1 and the main shaft gear wheel 6 of the position changing table are positioned in a large box body, and the large box body is formed by fastening an upper box body 9 and a lower box body 10 together through bolts. The spline 12 is connected with a main arm steel plate 11, two main arm guide rails 13 are arranged at the left end and the right end of the main arm steel plate 11, and the cantilever device is connected with a main large arm through the two main arm guide rails 13. A main arm rack 28 is arranged in the middle of the steel plate, the main arm rack 28 and a reduction pinion 27 form gear-rack meshing, and the cantilever device is driven by a small servo motor 29 to move up and down on the main large arm. The cantilever device is hollow, a turntable 14 is arranged above the cantilever device and connected with a turntable shaft 15, a turntable large gear 16 is mounted on the turntable shaft 15, the turntable 14 and the turntable shaft 15 are connected together through bolts, the turntable shaft 15 and the turntable large gear 16 are connected together through bolts, and the three components rotate coaxially at the same rotating speed. The turntable large gear 16 is meshed with the turntable small gear 17 and is driven by the speed reducing motor 26 to realize the rotation of the turntable 14. The turntable shaft 15 is sleeved in the turntable support 18, two ends of the turntable support 18 are connected with the turntable guide rail 19, two sides of the turntable support 18 are connected with the cantilever lead screw 20 through connecting pieces, and two ends of the cantilever lead screw 20 are fixed by the cantilever lead screw seats 21. The turntable rail 19 and the cantilever screw 20 are both mounted on a support plate 25. The cantilever lead screw motor 24 is supported by the lead screw motor support 23, is connected with the cantilever lead screw 20 through the slider coupler 22, and is driven by the cantilever lead screw motor 24 to realize lead screw transmission, so that the turntable support 18 is driven to realize horizontal movement on the turntable guide rail 19.
The working principle is as follows: the operation process of the displacement table of the large-diameter circular tube cladding machine comprises four steps of displacement table main shaft driving, main large arm rotating, cantilever moving and transposition table driving. Aiming at a large-diameter circular tube with a corroded inner wall, clamping the circular tube and rotating the circular tube, and then completing deposition, the following operation scheme is proposed:
1. the upper box body 9 and the lower box body 10 driven by the main shaft of the displacement table are connected through bolts and used for bearing the main shaft 1 of the displacement table. Two ends of a main shaft 1 of the deflection table are fixed left and right through a main shaft end cover 2 and a large end cover 7, and sealing is achieved through sealing felts. The worm gear and worm reduction motor 3 provides drive, the worm gear and worm transmission drives the pinion 4 to move, and the gear transmission drives the main shaft big gear 6 to rotate, so that the main shaft drive of the deflection table is realized.
2. The main large arm rotating worm gear reduction motor 3 drives a small gear 4 in a small box body 5 to rotate, and drives a main shaft large gear 6 meshed with the small gear to rotate together. The main shaft big gear 6 is arranged on the main shaft 1 of the position changing table, and the tail end of the right side of the main shaft is connected with a spline 12. When the main shaft of the deflection table rotates, the main large arm rotates through the spline connection at the right end.
3. The right end of a main shaft 1 of the cantilever moving deflection table is connected with a main big arm through a spline 12, the lower end of the main big arm is connected with a cantilever, two main arm guide rails 13 are distributed on two sides of the main big arm, a main arm rack 28 is arranged in the middle, a small servo motor 29 drives a reduction pinion 27 to rotate, and the cantilever moves up and down through the gear-rack meshing motion with the main arm rack 28.
4. The indexing table is arranged on the driving cantilever of the indexing table, and the rotary table 14 on the indexing table is driven by the servo motor 24 through primary gear transmission to realize the rotation of the rotary table. Two servo motors are arranged on one side of the cantilever and provide power to realize lead screw movement, so that the turntable 14 is driven to move on the turntable guide rail 19 in the Y-axis direction. The large-diameter circular tube is clamped through a universal clamp. The support and the rotation of the large-diameter circular tube are realized through the up-and-down movement of the cantilever, the rotation movement of the turntable and the Y-axis movement of the turntable, and the coincidence of the central axis of the large-diameter circular tube and the central axis of the main shaft of the deflection table is ensured.
After the above four steps are completed, the positioning of the large-diameter circular tube is completed, and then the welding operation of the inner wall of the large-diameter circular tube is performed by a certain positional relationship between the robot device and the displacement table device, as shown in fig. 1 below, the displacement table device is located on the left side, and the robot device is indicated by a dotted line and located on the right side.
The design requirement of the large-diameter circular pipe inner wall deposition machine is made according to the common use requirement in practical application. The specific requirements are as follows:
1) the diameter of the large-diameter round pipe is 200mm-500 mm;
2) the length of the tube is 700mm-1000mm
3) The method is applied to T-shaped, Y-shaped and K-shaped tee welding;
4) the deposition speed is 30 mm/min;
because of the working mode of the position changing table, the power of the position changing table can only select the motor, and the selection of the motor is important. The main function of the displacement platform motor is to drive a worm gear and a worm, drive a gear, drive the displacement platform main shaft to rotate, further force the main big arm to rotate, select a direct current gear motor according to the working environment of the displacement platform main shaft, the working requirement and the movement mode, and select DC 12-24V as the working pressure. The combined weight of the cantilever and the circular tube was 300 kg. The distance between the gravity center of the cantilever and the center of the main shaft is 0.8m, the transmission ratio of the worm gear reducer is 20, the transmission ratio of the gear is 3.5, the reliability coefficient is 0.8, and a P80B5 speed reducing motor is selected. The function of the screw rod of the position changing table is to drive the turntable to move in the Y-axis direction, the friction coefficient of the guide rail is 0.08, and the transmission ratio of the selected screw rod is 5. The reliability coefficient is set to 0.8 in consideration of possible operations under special circumstances. The total weight of the turntable is 150kg, the model of the speed reducer is HPN-11A-16, and the model of the screw motor of the shifting table is SM24165 x. The number of teeth of a small gear of the shifting table is 40, the number of teeth of a big gear is 140, the tooth width of the big gear is 100mm, and the modulus is 5. The number of teeth of the small gear on the turntable is 20, the number of teeth of the big gear is 144, the tooth width of the big gear is 15mm, and the modulus is 2.
The displacement table device for the deposition operation of the inner wall of the large-diameter pipeline comprises a displacement table main shaft 1, a main shaft end cover 2, a worm gear speed reducing motor 3, a pinion 4, a small box body 5, a main shaft big gear 6, a big end cover 7, a spline fixing end cover 8, an upper box body 9, a lower box body 10, a main arm steel plate 11, a spline 12, a main arm guide rail 13, a rotary table 14, a rotary table shaft 15, a rotary table big gear 16, a rotary table pinion 17, a rotary table support 18, a rotary table guide rail 19, a cantilever lead screw 20, a cantilever lead screw seat 21, a slider coupling 22, a lead screw motor support 23, a servo motor 24, a support plate 25, a speed reducing motor 26, a speed reducing pinion 27, a main arm rack.
The large-diameter circular tube inner wall deposition machine can realize deposition operation on a large-diameter circular tube with the diameter of 200mm-500mm and the tube length of 700mm-1000 mm. With the dramatic progress of modern society, economy, industry and agriculture, the requirements for various products are rapidly improved. Most parts need to operate for a long time without failure under the extreme environments of high temperature, high pressure, high movement speed or high intellectualization, and the like, so the large-diameter circular pipe inner wall cladding machine has wide prospect.

Claims (3)

1. A platform device shifts of major diameter pipeline inner wall cladding machine, its characterized in that: comprises a box body, a worm and gear reducing motor arranged on the box body, a pinion arranged on the output end of the worm and gear reducing motor, a shifting table main shaft arranged in the box body, a main shaft big gear arranged on the shifting table main shaft, a main big arm arranged at the end part of the shifting table main shaft, and a cantilever arranged on the main big arm, wherein the main shaft big gear is meshed with the pinion, the main big arm comprises a main arm steel plate arranged at the end part of the shifting table main shaft through a spline, two main arm guide rails are symmetrically arranged on the main arm steel plate, a main arm rack is arranged between the two main arm guide rails,
the cantilever is including setting up the cavity box in the main arm guide rail, the little servo motor of setting on cavity box terminal surface, install the speed reduction pinion on little servo motor output, speed reduction pinion and main arm rack toothing, be provided with the backup pad in the cavity box, be provided with carousel guide rail and two cantilever lead screws in the backup pad, still be provided with two cantilever lead screw motors in the cavity box outside, and the output of two cantilever lead screw motors is connected with the cantilever lead screw respectively, install the carousel on the carousel guide rail and support, the carousel supports still with two cantilever lead screw connections, carousel support below sets up speed reduction motor, speed reduction motor's output installation carousel pinion, be provided with the carousel axle on the carousel support, the epaxial carousel gear wheel of installing of carousel, carousel pinion and carousel gear wheel toothing, carousel axle upper end is provided with the carousel.
2. The large-diameter pipe inner wall cladding machine position changing table device according to claim 1, characterized in that: the box body comprises an upper box body and a lower box body which are connected with each other, a small box body is arranged on the upper box body, and the small gear is located in the small box body.
3. The large-diameter pipe inner wall cladding machine displacement table device according to claim 1 or 2, characterized in that: two ends of the main shaft of the position changing table are positioned through the main shaft end cover and the big end cover.
CN201910396485.3A 2019-05-14 2019-05-14 Position changing table device of large-diameter pipeline inner wall cladding machine Active CN110055527B (en)

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CN110055527B true CN110055527B (en) 2021-04-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110735137B (en) * 2019-11-26 2023-04-11 哈尔滨科能熔敷科技有限公司 Automatic change pipe and melt and apply and grinding device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB849194A (en) * 1959-06-12 1960-09-21 Stewarts & Lloyds Ltd Improvements relating to weld inspection means
EP0189360A1 (en) * 1985-01-14 1986-07-30 Emerson Electric Co. Base construction for threading machines
CN204736091U (en) * 2015-05-05 2015-11-04 贵州兴富祥立健机械有限公司 A drive mechanism for centerless grinder guide wheel spindle
CN105583629A (en) * 2015-12-29 2016-05-18 天津滨海通达动力科技有限公司 Rotary welding and punching machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB849194A (en) * 1959-06-12 1960-09-21 Stewarts & Lloyds Ltd Improvements relating to weld inspection means
EP0189360A1 (en) * 1985-01-14 1986-07-30 Emerson Electric Co. Base construction for threading machines
CN204736091U (en) * 2015-05-05 2015-11-04 贵州兴富祥立健机械有限公司 A drive mechanism for centerless grinder guide wheel spindle
CN105583629A (en) * 2015-12-29 2016-05-18 天津滨海通达动力科技有限公司 Rotary welding and punching machine

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