CN114669603B - Roller surface defect detection and repair system and working method thereof - Google Patents
Roller surface defect detection and repair system and working method thereof Download PDFInfo
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- CN114669603B CN114669603B CN202210355726.1A CN202210355726A CN114669603B CN 114669603 B CN114669603 B CN 114669603B CN 202210355726 A CN202210355726 A CN 202210355726A CN 114669603 B CN114669603 B CN 114669603B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B28/00—Maintaining rolls or rolling equipment in effective condition
- B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
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- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- 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
-
- 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
- B23K37/003—Cooling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
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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
The invention relates to the technical field of roller repair, in particular to a roller surface defect detecting and repairing system and a working method thereof. The roller driving assembly drives the roller to rotate along the arc-shaped roller repairing surface, the defect condition of the surface of the roller is recorded by the visual detection device while the roller rotates, after the position and the size of the defect are determined, a proper amount of additive powder is injected into the roller bearing repairing table by the additive feeding device, then the additive powder at the bottom of the arc-shaped roller repairing surface is melted and filled into the wear defect by utilizing a conductive loop formed by the internal contact between the roller and the roller bearing surface, and the melted additive powder is compacted into the wear defect by the self weight of the roller.
Description
Technical Field
The invention relates to the technical field of roller repair, in particular to a roller surface defect detecting and repairing system and a working method thereof.
Background
The rolls are tools for plastically deforming the metal to be rolled, and are important consumable parts for determining the efficiency of the rolling mill and the quality of the rolled material. The rolls are important parts of a rolling mill for rolling a steel material by using a pressure generated when a pair or a group of rolls roll. It mainly bears the influence of dynamic and static load, abrasion and temperature change during rolling. In the rolling process, the working stress is extremely high, and the influence of the problems of impurities, edge cracks and the like of a rolled piece is simultaneously caused, so that the surface of the roller is easily scratched and cracked, and if the surface defect of the roller exceeds the limit, the roller needs to be repaired, so that the quality of rolled steel can be ensured.
The traditional roller repairing method is characterized in that a surfacing welding mode is adopted to accumulate welding materials on the surface of a roller, then the roller is machined into an original size through a mode of polishing a welding position, however, the mode is usually static surfacing welding for the roller, an operator is required to find defects and manually fill the welding materials, time and labor are wasted, and the flatness and the smoothness of the welded roller need to be polished in a later period, so that the process is complex.
Disclosure of Invention
The invention provides a roller surface defect detecting and repairing system and a working method thereof.
In a first aspect, the present invention provides a roller surface defect detecting and repairing system, including: the roller bearing repairing table is used for rolling repairing of the bearing roller;
the visual detection device is used for detecting the roller surface abrasion of the roller when the roller rolls;
the additive feeding device is used for providing additive powder for repairing the wear of the roller surface to the roller bearing repairing table;
and the control module is electrically connected with the visual detection device and the additive feeding device so as to control the additive powder consumption according to the roller surface abrasion size.
Further, the roll bearing repair stand comprises:
repairing the surface of the arc-shaped roller;
the roller driving assembly is used for driving the roller to rotate along the arc-shaped roller repairing surface; wherein
The curvature of the arc-shaped roller repairing surface is smaller than that of the roller surface of the roller, so that the roller surface of the roller is in inscribed contact with the arc-shaped roller repairing surface when the roller rotates;
the roller bearing repair table comprises an electric welding power supply unit;
the electric welding power supply unit enables the roller surface of the roller and the arc-shaped roller repairing surface to form a conductive loop through internally tangent contact, so that additive powder positioned at the bottom of the arc-shaped roller repairing surface is melted, filled and pressed on the abrasion part of the roller to form a repairing surface.
Further, the roller bearing repair table is also provided with a quenching spray pipe;
the quenching spray pipe is suitable for spraying cooling gas to the repair surface so as to solidify the additive powder filled to the repair surface; and
and a polishing mechanism is arranged on the rear side of the quenching spray pipe to polish the cooled repaired surface.
Further, the grinding mechanism comprises a grinding head and a translation device for driving the grinding head to slide;
the control module obtains a roller surface abrasion position according to the visual detection device, and when a repairing surface corresponding to the roller surface abrasion position rotates to the polishing mechanism, the control module controls the translation device to drive the grinding head to slide to the repairing surface to polish the repairing surface.
Furthermore, the grinding mechanism comprises at least two grinding heads, and each grinding head is driven by a corresponding translation device arranged up and down;
the control module obtains the abrasion positions of the roller surfaces according to the visual detection device, and when the repairing surfaces corresponding to the abrasion positions of the roller surfaces rotate to the polishing mechanism, the control module controls the translation devices to respectively drive the corresponding grinding heads to slide to the repairing surfaces to polish the repairing surfaces.
Further, the additive feeding device comprises; the electromagnetic valve is arranged on the feeding pipe; wherein
The control module obtains the roll surface abrasion volume according to the visual detection device and controls the opening time of the electromagnetic valve according to the roll surface abrasion volume so as to inject additive powder to the bottom of the arc-shaped roll repairing surface.
Further, the visual detection device is used for detecting the surface defects of the roller to be repaired; or
The visual detection device is used for detecting the integrity of the repaired roller surface.
Further, the control module is adapted to control a current value of the electric welding power supply unit; and
the control module is suitable for controlling the material injection amount of the additive feeding device; and
the control module is suitable for acquiring detection data of the visual detection device; wherein
The visual detection device is suitable for detecting the wear area data and the wear depth data of the roller and uploading the detection data to the control module, and the control module is suitable for controlling the current value of the electric welding power supply unit according to the material injection amount of the material additive feeding device and the wear depth data.
In a second aspect, the invention provides a repairing method using the roller surface defect detecting and repairing system, and the method comprises the following steps:
step S1, detecting the abrasion of the surface of a roller when the roller rolls;
s2, controlling the using amount of additive powder according to the wear of the roll surface;
s3, setting an arc-shaped roller repairing surface, and setting the curvature of the arc-shaped roller repairing surface to be smaller than that of a roller surface of the roller so that the roller surface of the roller is in inscribed contact with the arc-shaped roller repairing surface when the roller rotates;
and S4, forming a conductive circuit for welding by internally cutting and contacting the roller and the arc-shaped roller repairing surface so as to melt, fill and press additive powder at the bottom of the arc-shaped roller repairing surface on a wear part of the roller.
The roller surface defect detecting and repairing system has the advantages that a roller to be repaired is borne by the roller bearing and repairing table, the roller is driven to rotate along the arc-shaped roller repairing surface by the roller driving assembly, the defect condition of the roller surface is recorded by the visual detection device while the roller rotates, after the position and the size of the defect are determined, a proper amount of additive powder is injected into the roller bearing and repairing table by the additive feeding device, and then the additive powder at the bottom of the arc-shaped roller repairing surface is melted and filled into the wear defect by the aid of a conductive loop formed by internally tangent contact between the roller and the roller bearing surface.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a roll surface defect detecting and repairing system according to the present invention;
FIG. 2 is a schematic perspective view of a roll surface defect inspection and repair system of the present invention;
FIG. 3 is a schematic front view of the roll surface defect inspection and repair system of the present invention;
FIG. 4 is a schematic diagram of the operation of the roll surface defect inspection and repair system of the present invention.
In the figure:
the device comprises a roller bearing repairing table 1, a roller driving assembly 11, an arc-shaped roller repairing surface 12, an electric welding power supply unit 13, a quenching spray pipe 14, a polishing mechanism 15, a grinding head 151 and a translation device 152;
a visual inspection device 2;
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the present embodiment provides a roll surface defect detecting and repairing system, including: the roller bearing repairing table 1 is used for bearing the roller to perform rolling repairing; the visual detection device 2 is used for detecting the roller surface abrasion of the roller when the roller rolls; the additive feeding device 3 is used for providing additive powder for repairing the wear of the roller surface to the roller bearing repairing table 1; and the control module is electrically connected with the visual detection device 2 and the additive feeding device 3 so as to control the additive powder consumption according to the roller surface abrasion size.
In this embodiment, the roll 4 carrying and repairing table 1 includes: an arc-shaped roller repairing surface 12; the roller 4 driving assembly 11 is used for driving the roller 4 to rotate along the arc-shaped roller repairing surface 12; the curvature of the arc-shaped roller repairing surface 12 is smaller than that of the roller surface of the roller 4, so that the roller surface of the roller 4 is in internally tangent contact with the arc-shaped roller repairing surface 12 when the roller rotates.
In the embodiment, a roller to be repaired is borne by the arranged roller bearing repairing table 1, the roller is driven to rotate along an arc-shaped roller repairing surface by the roller driving assembly 11, the defect condition of the surface of the roller is recorded by the visual detection device 2 while the roller rotates, after the position and the size of the defect are determined, a proper amount of additive powder is injected into the roller bearing repairing table 1 by the additive feeding device 3, then the additive powder at the bottom of the arc-shaped roller repairing surface 12 is melted and filled into the wear defect by a conductive loop formed by the inscribed contact between the roller 4 and the arc-shaped roller repairing surface 12, the melted additive powder is compacted into the wear defect by the self weight of the roller 4, the defect on the roller 4 can be fully filled by the filled additive powder in the melted state, and meanwhile, the weight of the roller 4 can fully discharge the additive powder filled with the defect out of the air and then compact; and the radius of the roller cannot be increased in the repairing process, so that the roller is repaired on the basis of the original radius.
In the present embodiment, the curvature of the arc-shaped roll repairing surface 12 is smaller than the roll surface curvature of the roll 4 so that; the roller driving assembly 11 drives the roller 4 to rotate and is in internally tangent contact with the bottom of the arc-shaped roller repairing surface 12; specifically, the roller bearing repair table 1 comprises an electric welding power supply unit 13; the electric welding power supply unit 13 forms a conductive loop by internally cutting and contacting the roller surface of the roller 4 and the arc-shaped roller repairing surface 12 so that additive powder positioned at the bottom of the arc-shaped roller repairing surface 12 is melted, filled and pressed on a wear part of the roller 4 to form a repairing surface. Because the point of the internal contact is very small, the resistance of the conductive loop is very large, so that the additive powder pressed into the defect in the electrifying process is fully melted by current heating, the repaired surface is flat and smooth by the internal contact pressure, the working strength of subsequent working procedure polishing is reduced, and the repairing efficiency is improved.
In the embodiment, one end of the electric welding power supply unit 13 is connected with the roller 4, the other end of the electric welding power supply unit is connected with the arc-shaped roller repairing surface 12, a current path is formed at the tangent position of the roller 4 and the arc-shaped roller repairing surface 12 due to the conductivity of metal, and the current at the contact position is strong due to the fact that the roller 4 and the arc-shaped roller repairing surface 12 are in inscribed contact, so that the additive powder at the contact position is melted, when the defect of the roller 4 is rotated to the tangent position, the additive powder in the melted state is filled into the defect, and the defect is filled, evenly smeared and compacted under the action of the rotating force and the gravity of the roller 4.
In the present embodiment, the roll bearing repair stand 1 is further provided with a quenching nozzle 14; the quenching nozzle 14 is suitable for spraying cooling gas to the repaired surface so as to rapidly cool and solidify the additive powder filled to the repaired surface; and a polishing mechanism 15 is arranged at the rear side of the quenching nozzle 14 to polish the cooled repaired surface.
In the embodiment, the quenching nozzle 14 is arranged on the roll bearing repair table 1, and continuously sprays cooling gas to the surface of the roll 4 in the rotation process of the roll 4, so that after the molten additive powder is filled into the defect of the roll 4, the molten additive powder can be cooled and solidified, and then the surface of the roll 4 is polished by the polishing mechanism 15, so that the redundant molten additive powder flowing to the roll body is ground off, and the flatness and smoothness of the roll 4 are fully ensured.
In this embodiment, the grinding mechanism 15 includes a grinding head 151, and a translation device 152 for driving the grinding head 151 to slide; the control module obtains the roller surface abrasion position according to the visual detection device 2, and when the repairing surface corresponding to the roller surface abrasion position rotates to the polishing mechanism 15, the control module controls the translation device 152 to drive the grinding head 151 to slide to the repairing surface to polish the repairing surface.
In the present embodiment, if the visual inspection device 2 detects that the defect of the roll 4 is small, only the single grinding head 151 needs to be controlled to grind the repaired surface.
In this embodiment, the grinding mechanism 15 includes at least two grinding heads 151, and each grinding head 151 is driven by a corresponding translation device 152 arranged up and down; the control module obtains the wear position of each roller surface according to the visual detection device 2, and when the repaired surface corresponding to the wear position of each roller surface rotates to the polishing mechanism 15, the control module controls each translation device 152 to respectively drive the corresponding grinding head 151 to slide to each repaired surface for polishing.
In the present embodiment, if the visual inspection device 2 detects that the roller 4 has a large number of defects, the two grinding heads 151 are controlled to perform vertical polishing.
In this embodiment, the additive feeding device 3 comprises; a supply pipe 31; the control module obtains the roll surface wear volume according to the visual detection device 2, and controls the material injection time of the material supply pipe 31 according to the roll surface wear volume so as to inject additive powder to the bottom of the arc-shaped roll repairing surface 12.
In this embodiment, after the visual inspection device 2 obtains the roll surface wear area and the roll surface wear depth, the control module calculates the wear volume and controls the injection amount of the additive powder according to the wear volume to ensure that the injected additive powder can fully fill the defects.
In the embodiment, the visual inspection device 2 is used for detecting the surface defects of the roller 4 to be repaired; or the visual inspection device 2 is used for carrying out integrity inspection on the surface of the repaired roller 4.
In the present embodiment, the visual inspection device 2 detects the surface defects of the roller 4 before repair to determine the amount of additive powder and the current value, and detects the surface integrity of the roller 4 after repair to ensure that the defects are not filled.
In the present embodiment, the control module is adapted to control the current value of the electric welding power supply unit 13; and the control module is adapted to control the injection amount of the additive feeding device 3; and the control module is adapted to acquire inspection data of the visual inspection apparatus 2;
in the present embodiment, the visual inspection device 2 is adapted to detect the wear area data and the wear depth data of the roll 4 and upload the detected data to the control module, and the control module is adapted to control the injection amount of the additive feeding device 3 according to the wear area data and the wear depth data, and control the current value of the electric welding power supply unit 13 so that the current is sufficient to melt the additive powder.
In this embodiment, the material of the rolling roller and the additive powder may be the same, and aluminum may be used.
In another aspect, the present invention provides a repairing method using the above-mentioned system for detecting and repairing surface defects of a roll 4, and includes the following steps:
step S1, detecting the abrasion size of the roller surface of a roller 4 when the roller 4 rolls;
s2, controlling the using amount of additive powder according to the wear of the roll surface;
step S3, setting an arc-shaped roller repairing surface 12, and setting the curvature of the arc-shaped roller repairing surface to be smaller than that of the roller surface of the roller 4 so that the roller surface of the roller 4 is in inscribed contact with the arc-shaped roller repairing surface 12 when the roller 4 rotates;
and step S4, forming a conductive circuit for welding by internally cutting the roller 4 and the arc-shaped roller repairing surface 12 so as to melt, fill and press additive powder at the bottom of the arc-shaped roller repairing surface 12 on the wear part of the roller 4.
In summary, the roller 4 surface defect detecting and repairing system of the present invention bears the roller 4 to be repaired by the roller bearing and repairing table 1, drives the roller 4 to rotate along the arc-shaped roller repairing surface 12 by the roller driving assembly 11, records the defect condition of the roller 4 surface by the visual inspection device 2 while the roller 4 rotates, injects a proper amount of additive powder to the roller bearing and repairing table 1 by the additive feeding device 3 after determining the position and the size of the defect, then melts and fills the additive powder at the bottom of the arc-shaped roller repairing surface 12 into the wear defect by the conductive loop formed by the inscribed contact between the roller 4 and the roller 4 bearing surface, and compresses the melted additive powder into the wear defect by the self weight of the roller 4, because the melted additive powder can fully fill the defect on the roller 4, and at the same time, the weight of the roller 4 can fully compact the additive powder filled with the defect, thereby ensuring the flatness and smoothness of the repaired roller 4 without missing fine defect.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A roll surface defect detection and repair system, comprising:
the roller bearing repairing table is used for rolling repairing of the bearing roller;
the visual detection device is used for detecting the roller surface abrasion of the roller when the roller rolls;
the additive feeding device is used for providing additive powder for repairing the wear of the roller surface to the roller bearing repairing table;
the control module is electrically connected with the visual detection device and the additive feeding device and used for controlling the additive powder consumption according to the roller surface abrasion;
the roll bears the repair bench includes:
repairing the surface of the arc-shaped roller;
the roller driving assembly is used for driving the roller to rotate along the arc-shaped roller repairing surface; wherein
The curvature of the arc-shaped roller repairing surface is smaller than that of the roller surface of the roller, so that the roller surface of the roller is in inscribed contact with the arc-shaped roller repairing surface when the roller rotates;
the roller bearing repair table comprises an electric welding power supply unit;
the electric welding power supply unit enables the roller surface of the roller and the arc-shaped roller repairing surface to form a conductive loop through internally tangent contact, so that additive powder positioned at the bottom of the arc-shaped roller repairing surface is melted, filled and pressed on the abrasion part of the roller to form a repairing surface.
2. The roll surface defect detecting and repairing system according to claim 1,
the roller bearing repairing table is also provided with a quenching spray pipe;
the quenching spray pipe is suitable for spraying cooling gas to the repair surface so as to solidify the additive powder filled to the repair surface; and
and a polishing mechanism is arranged on the rear side of the quenching spray pipe to polish the cooled repaired surface.
3. The roll surface defect inspection and repair system of claim 2,
the polishing mechanism comprises a grinding head and a translation device for driving the grinding head to slide;
the control module obtains a roller surface abrasion position according to the visual detection device, and when a repairing surface corresponding to the roller surface abrasion position rotates to the polishing mechanism, the control module controls the translation device to drive the grinding head to slide to the repairing surface to polish the repairing surface.
4. The roll surface defect inspection and repair system of claim 3,
the grinding mechanism comprises at least two grinding heads, and each grinding head is driven by a corresponding translation device arranged up and down;
the control module obtains the abrasion positions of the roller surfaces according to the visual detection device, and when the repairing surfaces corresponding to the abrasion positions of the roller surfaces rotate to the polishing mechanism, the control module controls the translation devices to respectively drive the corresponding grinding heads to slide to the repairing surfaces to polish the repairing surfaces.
5. The roll surface defect inspection and repair system of claim 1,
the additive feeding device comprises; a feed pipe; wherein
The control module obtains the roll surface abrasion volume according to the visual detection device and controls the feeding time of the feeding pipe according to the roll surface abrasion volume so as to inject a proper amount of additive powder to the bottom of the arc-shaped roll repairing surface.
6. The roll surface defect inspection and repair system of claim 5,
the visual detection device is used for detecting the surface defects of the roller to be repaired; or
The visual detection device is used for detecting the integrity of the repaired roller surface.
7. The roll surface defect inspection and repair system of claim 6,
the control module is suitable for controlling the current value of the electric welding power supply unit; and
the control module is suitable for controlling the material injection amount of the additive feeding device; and
the control module is suitable for acquiring detection data of the visual detection device; wherein
The vision detection device is suitable for detecting the wear area data and the wear depth data of the roller and uploading the detection data to the control module, and the control module is suitable for controlling the material injection amount of the material increase feeding device and controlling the current value of the electric welding power supply unit according to the wear area data and the wear depth data.
8. A method of operating a roll surface defect inspection and repair system as claimed in claim 1, comprising the steps of:
step S1, detecting the abrasion of the surface of a roller when the roller rolls;
s2, controlling the using amount of additive powder according to the wear of the roll surface;
s3, setting an arc-shaped roller repairing surface, and setting the curvature of the arc-shaped roller repairing surface to be smaller than that of a roller surface of the roller so that the roller surface of the roller is in inscribed contact with the arc-shaped roller repairing surface when the roller rotates;
and S4, forming a conductive circuit for welding by internally cutting and contacting the roller and the arc-shaped roller repairing surface so as to melt, fill and press additive powder at the bottom of the arc-shaped roller repairing surface on a wear part of the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210355726.1A CN114669603B (en) | 2022-04-06 | 2022-04-06 | Roller surface defect detection and repair system and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210355726.1A CN114669603B (en) | 2022-04-06 | 2022-04-06 | Roller surface defect detection and repair system and working method thereof |
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| CN114669603A CN114669603A (en) | 2022-06-28 |
| CN114669603B true CN114669603B (en) | 2023-03-10 |
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| CN116728000B (en) * | 2023-08-11 | 2023-10-24 | 莱芜盛鼎特殊冶金材料再制造有限公司 | Crystallization welding device for repairing roller |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06269935A (en) * | 1993-03-18 | 1994-09-27 | Nkk Corp | Equipment for automatic cladding by welding of roll |
| CN2463100Y (en) * | 2001-02-13 | 2001-12-05 | 武汉华工激光工程有限责任公司 | Laser processing equipment for surface of roll |
| CN104826869A (en) * | 2015-04-29 | 2015-08-12 | 清华大学深圳研究生院 | Electroplastic and ultrasonic rolling pressing coupling roller on-line repairing system and method |
| CN105543768A (en) * | 2016-03-03 | 2016-05-04 | 中研智能装备有限公司 | Plasma 3D printing remanufacturing equipment and method for roller |
| 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 |
| CN210341069U (en) * | 2019-08-10 | 2020-04-17 | 邯郸市邯钢附企利达激光科技有限公司 | Roller is restoreed with synchronous grinding device of laser cladding |
| CN112846193A (en) * | 2020-12-30 | 2021-05-28 | 中车工业研究院有限公司 | Additive composite micro-rolling shaft surface repairing system and method |
| CN113787391A (en) * | 2021-09-06 | 2021-12-14 | 宜兴市永昌轧辊有限公司 | Laser cladding synchronous grinding system for roller repair and grinding process thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6625515B2 (en) * | 2000-12-21 | 2003-09-23 | Dofasco Inc. | Roll defect management process |
-
2022
- 2022-04-06 CN CN202210355726.1A patent/CN114669603B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06269935A (en) * | 1993-03-18 | 1994-09-27 | Nkk Corp | Equipment for automatic cladding by welding of roll |
| CN2463100Y (en) * | 2001-02-13 | 2001-12-05 | 武汉华工激光工程有限责任公司 | Laser processing equipment for surface of roll |
| CN104826869A (en) * | 2015-04-29 | 2015-08-12 | 清华大学深圳研究生院 | Electroplastic and ultrasonic rolling pressing coupling roller on-line repairing system and method |
| CN105543768A (en) * | 2016-03-03 | 2016-05-04 | 中研智能装备有限公司 | Plasma 3D printing remanufacturing equipment and method for roller |
| 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 |
| CN210341069U (en) * | 2019-08-10 | 2020-04-17 | 邯郸市邯钢附企利达激光科技有限公司 | Roller is restoreed with synchronous grinding device of laser cladding |
| CN112846193A (en) * | 2020-12-30 | 2021-05-28 | 中车工业研究院有限公司 | Additive composite micro-rolling shaft surface repairing system and method |
| CN113787391A (en) * | 2021-09-06 | 2021-12-14 | 宜兴市永昌轧辊有限公司 | Laser cladding synchronous grinding system for roller repair and grinding process thereof |
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