CN111041480A - Electric spark deposition equipment for inner wall of rotating part - Google Patents
Electric spark deposition equipment for inner wall of rotating part Download PDFInfo
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- CN111041480A CN111041480A CN201911313802.7A CN201911313802A CN111041480A CN 111041480 A CN111041480 A CN 111041480A CN 201911313802 A CN201911313802 A CN 201911313802A CN 111041480 A CN111041480 A CN 111041480A
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- spark deposition
- electric spark
- pipe
- wall
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- 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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
- C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
An electric spark deposition device for the inner wall of a rotary part comprises a main body device and an electric spark deposition device, wherein the main body device comprises a base box body, a slender pipe and a motor, the slender pipe is transversely arranged and rotatably arranged on the base box body, and a motor shaft of the motor is connected with the slender pipe through a coupler; the electric spark deposition device comprises two electric spark deposition guns, an installation pipe, two rack sliding blocks and an adjusting gear structure, wherein the installation pipe is vertically arranged, the middle of the installation pipe is connected with the end part of a slender pipe, the two electric spark deposition guns are respectively plugged into the upper end and the lower end of the installation pipe, the gun heads of the electric spark deposition guns are outwards arranged, the working radius of the electric spark deposition guns is adjusted through the adjusting gear structure, the slender pipe extends into the pipe fitting during working, a driving motor drives the slender pipe to rotate, and deposition coating on the inner wall of the pipe fitting is achieved. The invention provides electric spark deposition equipment for the inner wall of a rotary member, which realizes electric spark deposition of a coating on the inner wall of a tubular workpiece.
Description
Technical Field
The invention relates to an electric spark deposition device for an inner wall of a rotating member.
Background
The electric spark deposition is developed on the basis of the basic principle of electric spark machining, and the polar effect phenomenon existing in the electric spark machining is utilized to deposit the electrode material of the tool on the surface of a workpiece, so that the workpiece has a surface with special properties such as high hardness, high wear resistance, high fatigue strength, high corrosion resistance, high oxidation resistance and the like. The electric spark deposition process is widely applied to surface strengthening of mechanical parts in industries such as tools, dies, cutting tools, agricultural machinery, war industry, medicine, automobiles, food, mines, metallurgy and the like, and surface repairing of failed parts. The process can really realize the metallurgical bonding of the coating and the substrate, and simultaneously can keep the temperature of the substrate at room temperature, prevent the thermal deformation of the substrate metal and prevent the metallurgical change of the metal substrate which is subjected to the thermal treatment.
In engineering practice, there are a large number of tubular workpieces that need to be surface treated, however, the difficulty of machining their inner surfaces has been a challenge in the development of pipe fittings. The electric spark deposition is a novel surface modification technology, and is applied to the surface remanufacturing processing of tubular workpieces, so that the performance of the workpieces can be improved, and the development of the remanufacturing industry is promoted.
Disclosure of Invention
In order to overcome the defects of the prior processing technology, the invention provides a rotating member inner wall electric spark deposition device, which realizes the electric spark deposition of a coating on the inner wall of a tubular workpiece.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an electric spark deposition device for the inner wall of a rotary part comprises a main body device and an electric spark deposition device, wherein the main body device comprises a base box body, a slender pipe and a motor, the slender pipe is transversely arranged and rotatably arranged on the base box body, and a motor shaft of the motor is connected with the slender pipe through a coupler;
the electric spark deposition device comprises two electric spark deposition guns, an installation pipe, two rack sliding blocks and an adjusting gear structure, the mounting tube is vertically arranged, the middle part of the mounting tube is connected with the end part of the slender tube, the two electric spark deposition guns are respectively plugged into the upper end and the lower end of the mounting tube, the gun heads of the electric spark deposition guns are outwards arranged, the two rack sliding blocks are arranged in central symmetry and can be mounted on the mounting tube in a vertically sliding manner, the two electric spark deposition guns are respectively connected with the two rack sliding blocks through a connecting sliding block, the adjusting gear structure comprises an adjusting gear, a gear shaft and a rotating handle, the gear shaft is transversely arranged on the middle part of the mounting pipe and locked by a locking bolt, one end of the gear shaft is fixedly provided with the adjusting gear, the other end of the adjusting gear is fixedly provided with a rotating handle which is positioned outside the mounting pipe, and the adjusting gear is positioned between the two rack sliding blocks and is meshed with the rack structures on the two rack sliding blocks simultaneously;
the working radius of the electric spark deposition gun is adjusted according to the aperture of the pipe fitting, the locking bolt is firstly unscrewed, the adjusting gear is driven to rotate by driving the rotating handle, the adjusting gear drives the two rack sliding blocks to move oppositely, so that the electric spark deposition gun is in contact with the inner wall of the pipe fitting, after adjustment is completed, the locking bolt is screwed down, when the electric spark deposition gun works, the slender pipe extends into the pipe fitting, the motor is driven to drive the slender pipe to rotate, and deposition coating on the inner wall of the pipe fitting is achieved.
Further, a control system and a working power supply are arranged in the base box body, a traveling device which moves along the axial direction of the pipe fitting is arranged at the bottom of the base box body, and the control system is connected with the motor and the traveling device respectively.
Furthermore, each electric spark deposition gun is also connected with a guide sliding block for guiding, and the guide sliding block can be arranged on the mounting pipe in a vertically sliding mode.
Still further, still be equipped with the backup pad on the base box, motor and rotating assembly all install in the backup pad, the slender pipe passes through the rotatable installation of bearing on rotating assembly.
Still further, the upper and lower both ends of installation pipe still are equipped with a mounting panel respectively.
Still further, the slender pipe is hollow, is provided with a lead connected with an electric spark deposition gun, and is connected with a working power supply through a rotary joint, and the rotary joint is arranged on the slender pipe.
Furthermore, a slot is axially arranged on the mounting tube, two sliding chutes are respectively arranged on two sides of the slot, the two sliding chutes are arranged in a central symmetry manner, the two rack sliding blocks are respectively mounted on the two sliding chutes, and the connecting sliding block is positioned in the slot and is simultaneously connected with the rack sliding block and the electric spark deposition gun;
the adjusting gear is positioned in the open slot and is meshed with the rack structures on the two rack sliding blocks simultaneously; two sections of sliding grooves for installing the guide sliding blocks are arranged right opposite to the grooves, and the sliding grooves are of a groove structure.
Furthermore, scales are respectively arranged on the inlet ends of the sliding blocks of the sliding grooves provided with the rack sliding blocks.
The invention has the following beneficial effects: the deep deposition of the inner wall of the pipe fitting can be realized; the two electric spark deposition guns can reduce the deposition time, can stabilize the rotation of the slender pipe, and can realize the full coverage and full automatic operation of the coating by utilizing the singlechip to control the motor; the use of the adjusting gear structure and the sliding block assembly can meet the requirement that the device is suitable for pipe fittings with different apertures.
Drawings
Fig. 1 is a schematic structural view of the main body device of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a front view of the electric spark deposition apparatus of the present invention.
Fig. 4 is a side view of the spark deposition device.
Fig. 5 is a sectional view B-B in fig. 4.
Fig. 6 is a schematic diagram of the operation of the present invention.
FIG. 7 is a graph showing the effect of deposition on the inner wall of the pipe.
Fig. 8 is a schematic view of the structure of the installation tube.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-8, an electric spark deposition device for the inner wall of a rotary member comprises a main body device and an electric spark deposition device, wherein the main body device comprises a base box body 1, an elongated tube 3 and a motor 8, the elongated tube 3 is transversely arranged and rotatably mounted on the base box body 1, and a motor shaft of the motor 8 is connected with the elongated tube 3 through a coupling 7;
the electric spark deposition device comprises two electric spark deposition guns 9, an installation pipe 11, two rack sliders 16 and an adjusting gear structure 12, wherein the installation pipe 11 is vertically arranged, the middle part of the installation pipe 11 is connected to the end part of the slender pipe 3, the two electric spark deposition guns 9 are respectively plugged into the upper end part and the lower end part of the installation pipe 11, gun heads of the electric spark deposition guns are outwards arranged, the two rack sliders 16 are arranged in a central symmetry mode and can be installed on the installation pipe 11 in a vertical sliding mode, the two electric spark deposition guns 9 are respectively connected with the two rack sliders 16 through connecting sliders 15, the adjusting gear structure 12 comprises an adjusting gear, a gear shaft and a rotating handle, the gear shaft is transversely installed on the middle part of the installation pipe 11 and locked through a locking bolt 13, one end of the gear shaft is fixedly provided with an adjusting gear, the other end of, the adjusting gear is positioned between the two rack sliders 16 and is meshed with the rack structures on the two rack sliders 16 simultaneously;
adjusting the working radius of the electric spark deposition gun 9 according to the aperture of the pipe, firstly loosening the locking bolt 13, driving the rotating handle to drive the adjusting gear to rotate, driving the two rack sliders 16 to move oppositely by the adjusting gear, so that the electric spark deposition gun 9 contacts the inner wall of the pipe, after adjustment, tightening the locking bolt 13, when in work, the slender pipe 3 extends into the pipe, driving the motor 8, and driving the slender pipe 3 to rotate by the motor 8, thereby realizing deposition coating on the inner wall of the pipe.
Further, a control system and a working power supply are arranged in the base box body 1, a traveling device used for moving transversely from left to right is arranged at the bottom of the base box body 1, and the control system is connected with the motor 8 and the traveling device respectively. The traveling device may employ wheels and wheel driving motors.
Still further, each EDM gun is connected with a guide slider 14 for guiding, and the guide slider 14 is slidably installed in the installation tube 11 up and down.
Furthermore, a slot is axially arranged on the mounting tube 11, two sliding chutes are respectively arranged on two sides of the slot, the two sliding chutes are arranged in a central symmetry manner, the two rack sliding blocks are respectively mounted on the two sliding chutes, and the connecting sliding block 15 is positioned in the slot and is simultaneously connected with the rack sliding block 16 and the electric spark deposition gun 9;
the adjusting gear is positioned in the open slot and is meshed with the rack structures on the two rack sliding blocks 16 simultaneously; two sliding grooves for installing the guide sliding blocks 14 are arranged right opposite to the grooves, and the sliding grooves are of a groove structure.
Further, scales are respectively provided on the slider inlet ends of the sliding grooves to which the rack sliders 16 are attached.
As shown in fig. 1, a base case 1 for supporting an apparatus; the supporting plate 2 is used for connecting the main body device with the base box body 1 and plays a role in fixing and supporting; the slender pipe 3 is used for extending the electric spark deposition device into the pipe fitting and driving the electric spark deposition device to rotate, and a lead is arranged in the slender pipe; a bearing 4 for supporting the slender tube 3 to rotate; a rotation assembly 5 which fixes the bearing 4 and supports rotation of the elongated tube 3; a rotary joint 6 for transmitting electric energy to the rotary slender tube 3; a shaft coupling 7 connecting the elongated tube 3 and the motor 8; a motor 8 for rotating the slender tube 3;
the working power supply in the base box body 1 gives the working energy of electric spark deposition, and the working power supply is conducted to the lead in the slender tube 3 by the rotary joint 6. The in-box control system controls the traveling device connected with the base box body 1. The control system simultaneously controls the activation of the motor 8, the motor 8 rotating the elongated tube 3. The control system can be a single chip microcomputer, a PLC control box and the like, the shaft coupling 7 transmits the force of the motor 8 to the slender pipe 3 to enable the slender pipe 3 to rotate, and meanwhile, the shaft coupling 7 protects the motor 8 from being damaged by external force on the slender pipe 3. The bearing 4 is mounted in the rotating assembly 5 and then the outer end cap of the rotating assembly bolts the bearing 4 into the rotating assembly 5. The bearing 4 and the rotation assembly 5 support the elongated tube 3 and do not affect the rotation of the elongated tube.
The base box 1 is internally provided with a working power supply and other necessary devices, and a traveling device is arranged on the base box. The traveling device is different in selection according to the precision requirement, driven by a servo motor, can be installed on a machine tool through a base box body, is provided with a wheel device, and is installed on a sliding block of a lead screw or is provided with a gear and a ground rack for meshing control. The servo motor and the rotating motor of the advancing device are controlled by the control system, so that the full coverage of the coating can be ensured, and the full automatic work of the electric spark deposition on the inner wall of the pipe fitting can be realized.
As shown in fig. 3 and 4, an electric spark deposition gun 9, an electric spark deposition generating means; the mounting plate 10 is connected with the mounting pipe 11 and has a limiting effect on the movement of the sliding block so as to prevent the sliding block from sliding out of the mounting pipe; the mounting tube 11 and the mounting plate 10 realize that the sliding block is fixed in the mounting tube to move; adjusting the gear structure 12 to move the rack slider 16 in the mounting tube; the locking bolt 13 prevents the adjusting gear from moving when being screwed down; the guide sliding block 14 is used for realizing the directional movement of the electric spark deposition gun on the installation pipe; the connecting slide block 15 is used for connecting the electric spark deposition gun with the rack slide block 16; and a rack sliding block 16, which applies force for adjusting the gear and enables the electric spark deposition gun to move directionally through the gear sliding block.
The slender tube 3 and the mounting tube 11 are fixed together in a welding or stud connection mode, and when the bolt is used for connection, the bolt is screwed into a contact part of the mounting tube 11 and the slender tube 3 through a gap of a sliding groove where the guide sliding block 14 is located, namely a connection part between two sections of sliding grooves. After the guide slide block 14 and the connecting slide block 15 are installed on the electric spark deposition gun 9, the two slide blocks guide the electric spark deposition gun 9 by using the sliding grooves on the installation pipe 11, and then the electric spark deposition gun 9 is installed in the installation pipe 11 by using the installation plate 10, so that the electric spark deposition gun 9 moves in the installation pipe 11 in an oriented mode. The rack slider 16 and the connecting slider 15 are bolted together, and then the adjusting gear is installed between the racks of the two rack sliders 16. Finally, the locking bolt 13 is connected with the mounting pipe through the hole of the adjusting gear structure 12. Adjusting the working radius of electric spark deposition: the locking bolt 13 is firstly unscrewed, and the rotating handle is rotated by hands. The adjusting gear is engaged with two rack sliders 16, and the rack sliders 16 move in the sliding grooves along the axial direction of the mounting pipe 11 due to the rotation of the adjusting gear. The rack sliding block 16 is connected with the sliding block 15 through screws, and the movement of the rack sliding block 16 also drives the electric spark deposition gun 9 connected with the connecting sliding block 15 to axially move. When the electric spark deposition guns 9 move axially, the scales on the installation pipe 11 are used for determining the radius of a machined pipe fitting, then the adjusting gear structure 12 is fixed, and the locking bolts 13 are screwed down, so that the two electric spark deposition guns cannot move.
As shown in fig. 6 and 7, the dotted line is a pipe and the solid line is the apparatus of the present invention. The diameter adjusting device, namely the two rack sliders 16 and the adjusting gear structure 12, enables the electric spark deposition guns to contact the inner wall of the pipe fitting, and meanwhile, the slender pipe is located at the axis of the pipe fitting due to the symmetry of the two electric spark deposition guns. At the same time, the electric spark deposition is carried out, and the travelling device of the device is started, so that the deposition covers the whole inner wall of the pipe fitting under the combined action of the electric spark deposition and the travelling device. The oblique lines in the deposition effect diagram indicate the traveling route of the electric spark deposition gun, and one way of coating is to deposit the coating on the whole pipe.
The working principle of the invention is as follows:
when the electric spark deposition gun works, the slender pipe extends into the pipe fitting, and the electric spark deposition gun works on the inner wall of the deep part of the pipe fitting. The working power supply drives the electric spark deposition gun to work by utilizing the conducting wire in the slender pipe. The two steps are the premise and the basis for realizing the electric spark deposition of the inner wall of the pipe fitting.
The electric spark deposition gun is driven by the motor to rotate by taking the slender pipe as an axis, so that the uniformity of inner wall deposition is realized. The axial coverage of a deposition area is realized by utilizing a travelling device adopted by the base box body, and the quality of a coating is improved by adopting a high-precision travelling device. The two steps are to realize the full coverage and uniformity of the electric spark deposition on the inner wall of the pipe fitting.
The slide block assembly in the installation pipe adjusts the directional movement of the electric spark deposition gun, so that the device can be suitable for pipe fittings with different apertures.
Claims (8)
1. An electric spark deposition equipment for inner wall of a rotating member is characterized in that: the electric spark deposition device comprises a main body device and an electric spark deposition device, wherein the main body device comprises a base box body, an elongated tube and a motor, the elongated tube is transversely arranged and rotatably arranged on the base box body, and a motor shaft of the motor is connected with the elongated tube through a coupler;
the electric spark deposition device comprises two electric spark deposition guns, an installation pipe, two rack sliding blocks and an adjusting gear structure, the mounting tube is vertically arranged, the middle part of the mounting tube is connected with the end part of the slender tube, the two electric spark deposition guns are respectively plugged into the upper end and the lower end of the mounting tube, the gun heads of the electric spark deposition guns are outwards arranged, the two rack sliding blocks are arranged in central symmetry and can be mounted on the mounting tube in a vertically sliding manner, the two electric spark deposition guns are respectively connected with the two rack sliding blocks through a connecting sliding block, the adjusting gear structure comprises an adjusting gear, a gear shaft and a rotating handle, the gear shaft is transversely arranged on the middle part of the mounting pipe and locked by a locking bolt, one end of the gear shaft is fixedly provided with the adjusting gear, the other end of the adjusting gear is fixedly provided with a rotating handle which is positioned outside the mounting pipe, and the adjusting gear is positioned between the two rack sliding blocks and is meshed with the rack structures on the two rack sliding blocks simultaneously;
the working radius of the electric spark deposition gun is adjusted according to the aperture of the pipe fitting, the locking bolt is firstly unscrewed, the adjusting gear is driven to rotate by driving the rotating handle, the adjusting gear drives the two rack sliding blocks to move oppositely, so that the electric spark deposition gun is in contact with the inner wall of the pipe fitting, after adjustment is completed, the locking bolt is screwed down, when the electric spark deposition gun works, the slender pipe extends into the pipe fitting, the motor is driven to drive the slender pipe to rotate, and deposition coating on the inner wall of the pipe fitting is achieved.
2. The rotary member inner wall electro-spark deposition apparatus as claimed in claim 1, wherein: the base box is internally provided with a control system and a working power supply, the bottom of the base box is provided with a traveling device which is used for moving along the axial direction of the pipe fitting, and the control system is respectively connected with the motor and the traveling device.
3. The rotary member inner wall electro-spark deposition apparatus as claimed in claim 1 or 2, wherein: each electric spark deposition gun is also connected with a guide sliding block for guiding, and the guide sliding block can be arranged on the mounting pipe in a vertically sliding mode.
4. The rotary member inner wall electro-spark deposition apparatus as claimed in claim 1 or 2, wherein: still be equipped with the backup pad on the base box, motor and rotating assembly all install in the backup pad, the slender pipe passes through the rotatable installation of bearing on rotating assembly.
5. The rotary member inner wall electro-spark deposition apparatus as claimed in claim 1 or 2, wherein: and the upper end and the lower end of the mounting pipe are respectively provided with a mounting plate.
6. The rotary member inner wall electro-spark deposition apparatus as claimed in claim 2, wherein: the slender tube is hollow, a lead connected with an electric spark deposition gun is arranged in the slender tube, the lead is connected with a working power supply through a rotary joint, and the rotary joint is arranged on the slender tube.
7. The rotary member inner wall electro-spark deposition apparatus as claimed in claim 3, wherein: the mounting pipe is axially provided with a slot, two sides of the slot are respectively provided with a sliding chute, the two sliding chutes are arranged in central symmetry, the two rack sliding blocks are respectively mounted on the two sliding chutes, and the connecting sliding block is positioned in the slot and is simultaneously connected with the rack sliding block and the electric spark deposition gun;
the adjusting gear is positioned in the open slot and is meshed with the rack structures on the two rack sliding blocks simultaneously; two sections of sliding grooves for installing the guide sliding blocks are arranged right opposite to the grooves, and the sliding grooves are of a groove structure.
8. The rotary inner wall electro-spark deposition apparatus as claimed in claim 7, wherein: scales are respectively arranged on the inlet ends of the sliding blocks of the sliding grooves provided with the rack sliding blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313802.7A CN111041480B (en) | 2019-12-19 | 2019-12-19 | Electric spark deposition equipment for inner wall of rotary part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313802.7A CN111041480B (en) | 2019-12-19 | 2019-12-19 | Electric spark deposition equipment for inner wall of rotary part |
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| CN111041480A true CN111041480A (en) | 2020-04-21 |
| CN111041480B CN111041480B (en) | 2023-06-27 |
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