CN111850548A - Laser repairing method for damaged parts - Google Patents
Laser repairing method for damaged parts Download PDFInfo
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- CN111850548A CN111850548A CN202010752433.8A CN202010752433A CN111850548A CN 111850548 A CN111850548 A CN 111850548A CN 202010752433 A CN202010752433 A CN 202010752433A CN 111850548 A CN111850548 A CN 111850548A
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- roller
- laser
- truss
- upright post
- axis moving
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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
- 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
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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)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser repairing method of a damaged part, which repairs a damaged roller through a laser repairing device; the laser repairing device comprises a roller clamping device and a laser repairing device, wherein the roller clamping device comprises a rack base, a moving mechanism and a laser; the left end and the right end of the frame base are respectively provided with a fixed upright post and a movable upright post, and the roller is placed between the fixed upright post and the movable upright post; the fixed upright post is connected with a fixed seat through a fixed connecting block, and a rotatable chuck is arranged at the center of the fixed seat; the laser repairing method of the invention carries out laser repairing on the roller to be repaired through the laser repairing device, the laser repairing device has reasonable design, convenient operation and reliable positioning, and can effectively improve the repairing efficiency of the roller during laser repairing.
Description
Technical Field
The invention relates to a repairing method, in particular to a laser repairing method for a damaged part.
Background
The rolls are the main working components and tools on the rolling mill that produce continuous plastic deformation of the metal, and are important consumable components that determine the efficiency of the rolling mill and the quality of the rolled material. The rolls are important parts of a rolling mill, and roll a steel material by using a pressure generated when a pair or a group of rolls roll. In the rolling process, because the working stress of the roller is extremely high, and the roller is affected by the problems of inclusion, edge crack and the like of a rolled piece, the roller is easy to damage, such as surface scratch, crack, roller sticking, peeling and the like of the roller, the service life and the machining precision of the roller can be seriously affected by the abrasion of the working surface of the roller, and the damaged roller can be repaired in a laser cladding mode.
The laser cladding repair technology is characterized in that a wear-resistant and heat-resistant high-hardness material is cladded on the surface of a roller by using laser as a heat source and is metallurgically bonded with a roller base material, so that damage and cracks are repaired and the hardness is improved. Because the laser cladding treatment belongs to precision machining, if workpiece positioning deviation occurs in the laser cladding process, cladding quality can be affected to a great extent, and laser cladding is unqualified; therefore, a method capable of effectively improving the qualified rate of roller laser cladding repair is needed.
Disclosure of Invention
In order to solve the defects of the technology, the invention provides a laser repairing method of a damaged part.
In order to solve the technical problems, the invention adopts the technical scheme that: a laser repair method of a damaged part, the laser repair method repairs the damaged roller through the laser repair device;
the laser repairing device comprises a roller clamping device and a laser repairing device, wherein the roller clamping device comprises a rack base, a moving mechanism and a laser;
the left end and the right end of the frame base are respectively provided with a fixed upright post and a movable upright post, and the roller is placed between the fixed upright post and the movable upright post; the fixed upright post is connected with a fixed seat through a fixed connecting block, and a rotatable chuck is arranged at the center of the fixed seat; a rotating shaft is arranged at the center of the chuck, a worm wheel is fixedly sleeved on the rotating shaft and meshed with a worm, and the worm is arranged in the fixed seat; a handle is arranged on the outer side of the fixed seat, and the inner end of the handle is connected with the worm;
a bearing with a seat is arranged on the movable upright post, and two ends of the roller are respectively arranged on the chuck and the bearing with the seat;
a sliding groove is formed in the base of the rack, a sliding block is fixedly connected to the lower end of the movable upright post, and the sliding block is embedded in the sliding groove and matched with the sliding groove;
the moving mechanism comprises an X-axis moving truss, a Y-axis moving truss and a Z-axis moving truss, and the X-axis moving truss is arranged on the base of the rack through a truss support; the Y-axis movable truss is arranged at the upper end of the X-axis movable truss, and the Z-axis movable truss is vertically arranged and sequentially penetrates through the Y-axis movable truss and the X-axis movable truss; the bottom end of the Z-axis moving truss is fixedly provided with a laser, the Z-axis moving truss is also provided with a feeder, a repairing material is contained in the feeder, the feeder is connected with a material spraying nozzle through a feeding pipe, and the material spraying nozzle is positioned above the roller;
the laser repairing method comprises the following steps: one end of a roller to be repaired is clamped on the chuck, the other end of the roller is arranged on a bearing with a seat, the worm is driven to rotate by rotating the handle, and then the worm wheel rotates to drive the rotating shaft to rotate, so that the roller is driven to rotate by the chuck; the relative position of the laser and the roller is adjusted through the moving mechanism, the roller to be repaired is rotated to enable the position needing to be repaired to be located below the material spraying nozzle, the roller stops rotating, the material spraying nozzle conveys the repairing material in the feeder to the emitting light spot of the laser, and the roller is repaired.
Furthermore, a lead screw is arranged on the base of the rack, a lead screw nut is sleeved on the lead screw in a matching manner, and the lead screw nut is fixedly arranged inside the moving block of the fan; the upper end of the fan moving block is fixedly connected with a fan through a supporting rod, and the fan is located below the roller and used for cooling the roller.
Further, the chuck is a three-jaw chuck or a four-jaw chuck.
The laser repairing method of the invention carries out laser repairing on the roller to be repaired through the laser repairing device, the laser repairing device has reasonable design, convenient operation and reliable positioning, and can effectively improve the repairing efficiency and the repairing qualified rate of the roller during laser repairing.
Drawings
Fig. 1 is a schematic structural diagram of a laser repair apparatus according to the present invention.
In the figure: 1. rolling; 2. a frame base; 3. fixing the upright post; 4. moving the upright post; 5. fixing a connecting block; 6. a fixed seat; 7. a chuck; 8. a rotating shaft; 9. a worm gear; 10. a worm; 11. a pedestal bearing; 12. a chute; 13. a slider; 14. an X-axis moving truss; 15. moving the truss along the Y axis; 16. a Z-axis moving truss; 17. a laser; 18. a feeder; 19. a feed pipe; 20. a material spraying nozzle; 21. a lead screw; 22. a fan moving block; 23. a support bar; 24. a fan.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a laser repairing method for damaged parts, the laser repairing method repairs the damaged roller 1 through a laser repairing device;
the laser repairing device comprises a roller clamping device and a laser repairing device, wherein the roller clamping device comprises a rack base 2, a moving mechanism and a laser, the moving mechanism is arranged on the rack base 2, and the laser is arranged on the moving mechanism;
the left end and the right end of the frame base 2 are respectively provided with a fixed upright post 3 and a movable upright post 4, and the roller 1 is placed between the fixed upright post and the movable upright post; the fixed upright post 3 is connected with a fixed seat 6 through a fixed connecting block 5, and a rotatable chuck 7 is arranged at the center of the fixed seat 6; the chuck 7 is a three-jaw chuck or a four-jaw chuck. A rotating shaft 8 is arranged at the center of the chuck, a worm wheel 9 is fixedly sleeved on the rotating shaft 8, the worm wheel 9 is meshed and connected with a worm 10, and the worm 10 is arranged in the fixed seat 6; a handle is arranged on the outer side of the fixed seat 6, and the inner end of the handle is connected with the worm 10;
a bearing with a seat 11 is arranged on the movable upright post 4, and two ends of the roller 1 are respectively arranged on the chuck 7 and the bearing with a seat 11; a sliding groove 12 is arranged on the frame base 2, the lower end of the movable upright post 4 is fixedly connected with a sliding block 13, and the sliding block is embedded in the sliding groove and matched with the sliding groove;
the moving mechanism comprises an X-axis moving truss 14, a Y-axis moving truss 15 and a Z-axis moving truss 16, and the X-axis moving truss 14 is arranged on the rack base 2 through a truss support 21; the Y-axis movable truss 15 is arranged at the upper end of the X-axis movable truss 14, and the Z-axis movable truss 16 is vertically arranged and sequentially penetrates through the Y-axis movable truss 15 and the X-axis movable truss 14; a laser 17 is fixedly arranged at the bottom end of the Z-axis moving truss 16, a feeder 18 is also arranged on the Z-axis moving truss 16, a repairing material is contained in the feeder, the feeder 18 is connected with a material spraying nozzle 20 through a feeding pipe 19, and the material spraying nozzle 20 is positioned above the roller 1;
the laser repairing method comprises the following steps: one end of a roller 1 to be repaired is clamped on a chuck 7, the other end of the roller is arranged on a bearing 11 with a seat, a handle is rotated to drive a worm 10 to rotate, and then a worm wheel 9 rotates to drive a rotating shaft 8 to rotate, so that the chuck 7 drives the roller 1 to rotate; the relative position of the laser and the roller is adjusted through the moving mechanism, the roller 1 to be repaired is rotated to enable the position needing to be repaired to be positioned below the material spraying nozzle 20, the roller stops rotating, the material spraying nozzle 20 conveys the repairing material in the feeder to the emitting light spot of the laser 17, and the roller is repaired.
A lead screw 21 is arranged on the rack base 2, a lead screw nut is sleeved on the lead screw in a matching manner, and the lead screw nut is fixedly arranged inside a fan moving block 22; the upper end of the fan moving block 22 is fixedly connected with a fan 24 through a support rod 23, and the fan is positioned below the roller and used for cooling the roller. When the damaged position of one roller is repaired, laser repair is suspended, and at the moment, the handle is rotated and the fan is started to cool the laser repair position on the roller.
The laser repairing method of the invention carries out laser repairing on the roller to be repaired through the laser repairing device, the laser repairing device has reasonable design, convenient operation and reliable positioning, and can effectively improve the repairing efficiency and the repairing qualified rate of the roller during laser repairing.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.
Claims (3)
1. A laser repair method for damaged parts is characterized by comprising the following steps: the laser repairing method is used for repairing the damaged roller (1) through a laser repairing device;
the laser repairing device comprises a roller clamping device and a laser repairing device, wherein the roller clamping device comprises a rack base (2), a moving mechanism and a laser, the moving mechanism is arranged on the rack base (2), and the laser is arranged on the moving mechanism;
the left end and the right end of the rack base (2) are respectively provided with a fixed upright post (3) and a movable upright post (4), and the roller (1) is placed between the fixed upright post and the movable upright post; the fixed upright post (3) is connected with a fixed seat (6) through a fixed connecting block (5), and a rotatable chuck (7) is arranged at the center of the fixed seat (6); a rotating shaft (8) is arranged at the center of the chuck, a worm wheel (9) is fixedly sleeved on the rotating shaft (8), the worm wheel (9) is meshed and connected with a worm (10), and the worm (10) is arranged in the fixed seat (6); a handle is arranged on the outer side of the fixed seat (6), and the inner end of the handle is connected with the worm (10);
a bearing (11) with a seat is arranged on the movable upright post (4), and two ends of the roller (1) are respectively arranged on the chuck (7) and the bearing (11) with the seat;
a sliding groove (12) is formed in the rack base (2), a sliding block (13) is fixedly connected to the lower end of the movable upright post (4), and the sliding block is embedded in the sliding groove and matched with the sliding groove;
the moving mechanism comprises an X-axis moving truss (14), a Y-axis moving truss (15) and a Z-axis moving truss (16), and the X-axis moving truss (14) is arranged on the rack base (2) through a truss support (21); the Y-axis moving truss (15) is arranged at the upper end of the X-axis moving truss (14), and the Z-axis moving truss (16) is vertically arranged and sequentially penetrates through the Y-axis moving truss (15) and the X-axis moving truss (14); a laser (17) is fixedly arranged at the bottom end of the Z-axis moving truss (16), a feeder (18) is further arranged on the Z-axis moving truss (16), a repairing material is contained in the feeder, the feeder (18) is connected with a material spraying nozzle (20) through a feeding pipe (19), and the material spraying nozzle (20) is positioned above the roller (1);
the laser repairing method comprises the following steps: one end of a roller (1) to be repaired is clamped on a chuck (7), the other end of the roller is arranged on a bearing (11) with a seat, a handle is rotated to drive a worm (10) to rotate, and then a worm wheel (9) rotates to drive a rotating shaft (8) to rotate, so that the chuck (7) drives the roller (1) to rotate; the relative position of the laser and the roller is adjusted through the moving mechanism, the roller (1) to be repaired is rotated to enable the position needing to be repaired to be positioned below the material spraying nozzle (20), the roller stops rotating, the material spraying nozzle (20) conveys the repairing material in the feeder to a transmitting light spot of the laser (17), and the roller is repaired.
2. The laser repair method for a damaged part according to claim 1, wherein: a lead screw (21) is arranged on the rack base (2), a lead screw nut is sleeved on the lead screw in a matching manner, and the lead screw nut is fixedly arranged inside a fan moving block (22); the upper end of the fan moving block (22) is fixedly connected with a fan (24) through a support rod (23), and the fan is located below the roller and used for cooling the roller.
3. The laser repair method for a damaged part according to claim 2, wherein: the chuck (7) is a three-jaw chuck or a four-jaw chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752433.8A CN111850548A (en) | 2020-07-30 | 2020-07-30 | Laser repairing method for damaged parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010752433.8A CN111850548A (en) | 2020-07-30 | 2020-07-30 | Laser repairing method for damaged parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111850548A true CN111850548A (en) | 2020-10-30 |
Family
ID=72945730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010752433.8A Pending CN111850548A (en) | 2020-07-30 | 2020-07-30 | Laser repairing method for damaged parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111850548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115852364A (en) * | 2022-12-28 | 2023-03-28 | 南京辉锐光电科技有限公司 | Laser cladding device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521492A (en) * | 2016-12-20 | 2017-03-22 | 西北工业大学（张家港）智能装备技术产业化研究院有限公司 | Clamping device for roller laser cladding repair |
| CN108220956A (en) * | 2018-02-08 | 2018-06-29 | 株洲辉锐增材制造技术有限公司 | A kind of roll laser deposition prosthetic device and restorative procedure |
-
2020
- 2020-07-30 CN CN202010752433.8A patent/CN111850548A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521492A (en) * | 2016-12-20 | 2017-03-22 | 西北工业大学（张家港）智能装备技术产业化研究院有限公司 | Clamping device for roller laser cladding repair |
| CN108220956A (en) * | 2018-02-08 | 2018-06-29 | 株洲辉锐增材制造技术有限公司 | A kind of roll laser deposition prosthetic device and restorative procedure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115852364A (en) * | 2022-12-28 | 2023-03-28 | 南京辉锐光电科技有限公司 | Laser cladding device |
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Application publication date: 20201030 |
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| RJ01 | Rejection of invention patent application after publication |