CN110405407A - A kind of novel restorative procedure of mold and device - Google Patents
A kind of novel restorative procedure of mold and device Download PDFInfo
- Publication number
- CN110405407A CN110405407A CN201910744586.5A CN201910744586A CN110405407A CN 110405407 A CN110405407 A CN 110405407A CN 201910744586 A CN201910744586 A CN 201910744586A CN 110405407 A CN110405407 A CN 110405407A
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- layer
- metal powder
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- laser
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
A kind of novel restorative procedure of mold and device, it is characterized in that the device includes: grinding wheel, which removes removing oxide layer for polishing to the exfoliation layer of workpiece surface and carries out scratch again after polishing cleaning to be cut into groove；One rotatable hopper, the rotatable hopper need to repair position for metal powder to be equably laid in workpiece；One rolling wheel set, the roller close wheel for compressing on the surface of the workpiece the metal powder of rotatable hopper laying；One laser, the laser is for the metal powder cladding for being pressed on workpiece surface to be allowed to combine with workpiece；One stirring-head, the stirring-head is for being stirred friction welding to the cladding layer of workpiece surface；One electrolysis, which rubs, cuts grinding wheel, which, which rubs, cuts grinding wheel for being ground the surface Jing Guo Friction Stir Welding to improve surface accuracy；The present invention can effectively realize that the mold of delamination damage carries out reparation resource reutilization, effectively reduce the consumption of mould steel.
Description
Technical field
The present invention relates to a kind of mechanical prosthesis method, especially a kind of mould repair technology, specifically a kind of mold
Novel restorative procedure and device.It mainly repairs mold by homemade mould repair apparatus platform, realizes resource again
It utilizes, effectively reduces cost, while the mixed metal powder by configuring carries out the laser melting coating of mould repair position, and utilizes
Stirring-head is stirred the performance for enhancing the region to cladding layer, meanwhile, to mixing yoghurt in the way of electrochemical grinding
Modified layer carries out grinding and obtains final repair layer, the configuration of the present invention is simple, practical, can wide popularization and application.
Technical background
Die Industry is bigger at home and abroad at present, and the number of molds consumed every year is big, to a certain extent
It causes a large amount of wastes of resource, especially mould steel and requires height, this, there is also certain waste, causes this in steel smelting
The resource of class steel is more and more deficienter.In order to effectively promote the raising of die life, extends mold and use the time, just must
The mold surface layer of damage must be repaired, have reached repeatable degree, certainly, mould repair quality relative requirement is high,
Guarantee that the surface layer repaired is consistent substantially with original mould surface layer, it is even higher, there is use value after just capable of promoting mould repair.
The present invention is based on such case, carries out metal powder laser cladding reparation using the mold surface layer to some exfoliation layers, together
When in cladding layer friction processing is stirred to cladding layer using stirring-head, guarantee that cladding layer metal powder is effectively molten with substrate
It is combined, meanwhile, the modified surface layer of mixing yoghurt is ground using the method for electrochemical grinding, is obtained needed for mold
Repair layer.Operation of the present invention is simple, practical, can be applicable.
Summary of the invention
It is high the purpose of the present invention is being required for existing mould repair, and restorative procedure and device are difficult to meet use and want
The problem of asking invents a kind of novel restorative procedure of mold and device.It is mainly by homemade mould repair apparatus platform to mould
Tool is repaired, and is realized resource reutilization, is effectively reduced cost, while the mixed metal powder by configuring carries out mould repair
The laser melting coating of position, and the performance for enhancing the region is stirred to cladding layer using stirring-head, meanwhile, utilize electrochemical grinding
Mode grinding carried out to mixing yoghurt modified layer obtain final repair layer, it is the configuration of the present invention is simple, practical, can
Wide popularization and application.
Technical solution of the present invention first is that:
A kind of novel restorative procedure of mold, it is characterized in that it the following steps are included:
(1) surface layer is peeled off in mold first to be polished smooth with abrasive machine by surface layer is peeled off, remove removing oxide layer, impurity and burr；
(2) it is polished again with abrasive paper for metallograph smooth surface again, protruding parts some present on smooth surface is polished；
(3) clean in the surface washes of absolute alcohol being polished flat, and dried up with hair dryer；
(4) the polishing surface after drying is put down with electric wheel carrying out random scratch and cut off, depth is 1 ~ 2mm or so；With blowing
The dust of blower blowout cutting, it is clean with washes of absolute alcohol again, and dried up with hair dryer；
(5) one layer of uniform metal powder is spilt on the surface upper berth of drying, is compressed metal powder with rolling equipment, and use paraffin
Sealing；
(6) laser melting coating is carried out using metal powder of the laser to compression, guarantees that metal powder is preferably fused with mould steel
Together；
(7) friction processing is stirred to laser cladding layer with stirring-head again, obtains the repair layer of good quality；
(8) mixing yoghurt layer is ground in the way of electrochemical grinding, obtains final repair layer.
The metal powder constituent are as follows: Fe 79.5-85%, Al 5-6%, Ti 5-8%, Si 2-3%, W 1-2%,
Zn 1-2%, microelement 0-0.5%, the sum of each component are 100%.
Technical solution of the present invention second is that:
A kind of mould repair device, it is characterized in that it includes:
One grinding wheel 2, the grinding wheel for polish the exfoliation layer 1 of workpiece surface with go removing oxide layer and polish cleaning after again
The secondary scratch that carries out is cut into convenient for accommodating the groove of metal powder；
One rotatable hopper 3, the rotatable hopper need to repair position for metal powder to be equably laid in workpiece；
One rolling wheel set 4, the roller close wheel for compressing on the surface of the workpiece the metal powder of rotatable hopper laying；
One laser 5, the laser is for the metal powder cladding for being pressed on workpiece surface to be allowed to combine with workpiece；
One stirring-head 6, the stirring-head make metal powder layer and work for being stirred friction welding to the cladding layer of workpiece surface
Part matrix is combined closely；
One electrolysis, which rubs, cuts grinding wheel 7, which, which rubs, cuts grinding wheel for being ground the surface Jing Guo Friction Stir Welding to improve
Surface accuracy；
Aforementioned (1)-(4) step is completed using abrasive machine in the position of exfoliation layer, by rotatable hopper by uniform mixed metal powder
End paving is sprinkled upon in exfoliation layer；Then roll-in carried out to the mixed metal powder last layer spilt of paving with rolling wheel set, then with paraffin sealing；And benefit
Mixed metal powder last layer is spilt to paving with laser and carries out laser melting coating, recycles stirring-head to be stirred laser cladding layer and adds
Work is finally ground mixing yoghurt layer using electrolytic grinding wheel, obtains final repair layer.
Beneficial effects of the present invention:
The present invention can effectively realize that the mold of delamination damage carries out reparation resource reutilization, effectively reduce disappearing for mould steel
Consumption, meanwhile, also extend the service life of mold.Operation of the present invention is simple, high-efficient, at low cost, is conducive to popularization and application etc..
Detailed description of the invention
Fig. 1 is prosthetic device composition schematic diagram of the invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment one.
As shown in Figure 1.
A kind of novel restorative procedure of mold, it the following steps are included:
(1) surface layer is peeled off in mold first to be polished smooth with abrasive machine by surface layer is peeled off, remove removing oxide layer, impurity and burr etc.；
(2) it is polished again with abrasive paper for metallograph smooth surface again, protruding parts some present on smooth surface is polished；
(3) clean in the surface washes of absolute alcohol being polished flat, and dried up with hair dryer；
(4) the polishing surface after drying is put down with electric wheel carrying out random scratch and cut off, depth is 1 ~ 2mm or so；With blowing
The dust of blower blowout cutting, it is clean with washes of absolute alcohol again, and dried up with hair dryer；
(5) one layer of uniform metal powder is spilt on the surface upper berth of drying (powdered ingredients are respectively as follows: Fe 79.5-85%, Al 5-
6%, Ti 5-8%, Si 2-3%, W 1-2%, Zn 1-2%, microelement 0-0.5%, the sum of each component is 100%) powder
It is compressed with rolling equipment, and with paraffin sealing；
(6) laser melting coating is carried out using metal powder of the laser to compression, guarantees that metal powder is preferably fused with mould steel
Together；
(7) friction processing is stirred to laser cladding layer with stirring-head again, obtains the repair layer of good quality；
(8) mixing yoghurt layer is ground in the way of electrochemical grinding, obtains final repair layer.
Embodiment two.
As shown in Figure 1.
A kind of mould repair device, it includes: grinding wheel 2, rotatable hopper 3, rolling wheel set 4, laser 5, stirring-head 6 and electrolysis
Rub and cut grinding wheel 7, medium plain emery wheel for polish the exfoliation layer 1 of workpiece surface with go removing oxide layer and polish cleaning after again
The secondary scratch that carries out is cut into convenient for accommodating the groove of metal powder；Rotatable hopper is used to metal powder being equably laid in workpiece
It need to repair on position；Roller closes wheel for compressing on the surface of the workpiece the metal powder of rotatable hopper laying；Laser is used for will
The metal powder cladding for being pressed on workpiece surface is allowed to combine with workpiece；Stirring-head is used to carry out the cladding layer of workpiece surface
Friction Stir Welding makes metal powder layer combine closely with workpiece substrate；Electrolysis, which rubs, cuts grinding wheel for welding to by agitating friction
The surface connect is ground to improve surface accuracy；(1)-in the completion embodiment one of abrasive machine 2 is utilized in the position of exfoliation layer 1
(4) uniform mixed metal powder paving is sprinkled upon in exfoliation layer 1 by step by rotatable hopper 3；Then it is spilt with 4 pairs of rolling wheel set pavings
Mixed metal powder last layer carries out roll-in, then uses paraffin sealing；Swash spilling mixed metal powder last layer using 5 pairs of laser pavings
Then light cladding is being stirred processing to laser cladding layer using stirring-head 6,7 pairs of stirrings of electrolytic grinding wheel is recycled to rub
It wipes machined layer to be ground, obtains final repair layer.
Part that the present invention does not relate to is same as the prior art or can be realized by using the prior art.
Claims (3)
1. a kind of novel restorative procedure of mold, it is characterized in that it the following steps are included:
(1) surface layer is peeled off in mold first to be polished smooth with abrasive machine by surface layer is peeled off, remove removing oxide layer, impurity and burr；
(2) it is polished again with abrasive paper for metallograph smooth surface again, protruding parts some present on smooth surface is polished；
(3) clean in the surface washes of absolute alcohol being polished flat, and dried up with hair dryer；
(4) the polishing surface after drying is put down with electric wheel carrying out random scratch and cut off, depth is 1 ~ 2mm or so；With blowing
The dust of blower blowout cutting, it is clean with washes of absolute alcohol again, and dried up with hair dryer；
(5) one layer of uniform metal powder is spilt on the surface upper berth of drying, is compressed metal powder with rolling equipment, and use paraffin
Sealing；
(6) laser melting coating is carried out using metal powder of the laser to compression, guarantees that metal powder is preferably fused with mould steel
Together；
(7) friction processing is stirred to laser cladding layer with stirring-head again, obtains the repair layer of good quality；
(8) mixing yoghurt layer is ground in the way of electrochemical grinding, obtains final repair layer.
2. according to the method described in claim 1, it is characterized in that the metal powder constituent are as follows: Fe 79.5-85%, Al 5-
6%, Ti 5-8%, Si 2-3%, W 1-2%, Zn 1-2%, microelement 0-0.5%, the sum of each component is 100%.
3. a kind of mould repair device, it is characterized in that it includes:
One grinding wheel (2), the grinding wheel remove removing oxide layer for polishing the exfoliation layer (1) of workpiece surface and are polishing cleaning
Scratch is carried out again afterwards to be cut into convenient for accommodating the groove of metal powder；
One rotatable hopper (3), the rotatable hopper need to repair position for metal powder to be equably laid in workpiece；
One rolling wheel set (4), the roller close wheel for compressing on the surface of the workpiece the metal powder of rotatable hopper laying；
One laser (5), the laser is for the metal powder cladding for being pressed on workpiece surface to be allowed to combine with workpiece；
One stirring-head (6), the stirring-head for being stirred friction welding to the cladding layer of workpiece surface, make metal powder layer with
Workpiece substrate is combined closely；
One electrolysis, which rubs, cuts grinding wheel (7), which, which rubs, cuts grinding wheel for being ground the surface Jing Guo Friction Stir Welding to mention
High surface accuracy；
In the position of exfoliation layer using (1)-(4) step in abrasive machine completion claim 1, will uniformly be mixed by rotatable hopper
Metal powder paving is closed to be sprinkled upon in exfoliation layer；Then roll-in is carried out with the mixed metal powder last layer that rolling wheel set spills paving, then uses paraffin
Sealing；And using laser to paving spill mixed metal powder last layer carry out laser melting coating, recycle stirring-head to laser cladding layer into
Row stirring and processing is finally ground mixing yoghurt layer using electrolytic grinding wheel, obtains final repair layer.
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| CN201910744586.5A CN110405407A (en) | 2019-08-13 | 2019-08-13 | A kind of novel restorative procedure of mold and device |
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| CN201910744586.5A CN110405407A (en) | 2019-08-13 | 2019-08-13 | A kind of novel restorative procedure of mold and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687595A (en) * | 2020-05-31 | 2020-09-22 | 西安交通大学 | Friction stir spot welding repair method for engine disc pit damage preset material |
| CN111687596A (en) * | 2020-05-31 | 2020-09-22 | 西安交通大学 | Friction stir spot welding repair method for pre-deposited material for damage of pits of engine disk |
| CN112719273A (en) * | 2020-12-18 | 2021-04-30 | 燕山大学 | Surface pretreatment and restoration rolling integrated device based on semi-solid slurry |
| CN114367733A (en) * | 2022-02-11 | 2022-04-19 | 黄山学院 | Method and equipment for modifying and processing repairable stirring friction on surface layer of steel plate material |
| CN114850711A (en) * | 2022-06-08 | 2022-08-05 | 南昌航空大学 | Laser shock consolidation composite stirring friction material increase machining device and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255522A (en) * | 2007-12-26 | 2008-09-03 | 兰州理工大学 | Material for aluminumbronze surface laser cladding and laser cladding method |
| CN102465293A (en) * | 2010-11-12 | 2012-05-23 | 沈阳新松机器人自动化股份有限公司 | Laser-cladding repairing method of mold with snakeskin grains |
| CN105695990A (en) * | 2016-04-21 | 2016-06-22 | 黄山学院 | Device for improving performance of steel surface of die and laser cladding powder |
| US20160312613A1 (en) * | 2015-04-21 | 2016-10-27 | MTU Aero Engines AG | Repair of monocrystalline flow channel segments by monocrystalline remelting |
| CN106591827A (en) * | 2016-11-24 | 2017-04-26 | 江苏雨燕模业科技有限公司 | Laser repairing technology of high-hardness automobile die |
| CN107541726A (en) * | 2017-08-29 | 2018-01-05 | 江苏大学 | A kind of laser repairing and the compounding method for strengthening slit region |
| CN108359976A (en) * | 2018-04-10 | 2018-08-03 | 上海工程技术大学 | A method of for reducing laser melting coating alumina base composite coating crackle |
| CN108385113A (en) * | 2018-04-18 | 2018-08-10 | 哈尔滨工业大学（威海） | A kind of laser cladding-agitating friction method for modifying composite surface |
| CN110042390A (en) * | 2019-06-03 | 2019-07-23 | 燕山大学 | A kind of flexible lamina laser melting coating intensifying method of die casting |
-
2019
- 2019-08-13 CN CN201910744586.5A patent/CN110405407A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255522A (en) * | 2007-12-26 | 2008-09-03 | 兰州理工大学 | Material for aluminumbronze surface laser cladding and laser cladding method |
| CN102465293A (en) * | 2010-11-12 | 2012-05-23 | 沈阳新松机器人自动化股份有限公司 | Laser-cladding repairing method of mold with snakeskin grains |
| US20160312613A1 (en) * | 2015-04-21 | 2016-10-27 | MTU Aero Engines AG | Repair of monocrystalline flow channel segments by monocrystalline remelting |
| CN105695990A (en) * | 2016-04-21 | 2016-06-22 | 黄山学院 | Device for improving performance of steel surface of die and laser cladding powder |
| CN106591827A (en) * | 2016-11-24 | 2017-04-26 | 江苏雨燕模业科技有限公司 | Laser repairing technology of high-hardness automobile die |
| CN107541726A (en) * | 2017-08-29 | 2018-01-05 | 江苏大学 | A kind of laser repairing and the compounding method for strengthening slit region |
| CN108359976A (en) * | 2018-04-10 | 2018-08-03 | 上海工程技术大学 | A method of for reducing laser melting coating alumina base composite coating crackle |
| CN108385113A (en) * | 2018-04-18 | 2018-08-10 | 哈尔滨工业大学（威海） | A kind of laser cladding-agitating friction method for modifying composite surface |
| CN110042390A (en) * | 2019-06-03 | 2019-07-23 | 燕山大学 | A kind of flexible lamina laser melting coating intensifying method of die casting |
Non-Patent Citations (1)
| Title |
|---|
| 王海军: "《热喷涂工程师指南》", 31 August 2010, 国防工业出版社 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687595A (en) * | 2020-05-31 | 2020-09-22 | 西安交通大学 | Friction stir spot welding repair method for engine disc pit damage preset material |
| CN111687596A (en) * | 2020-05-31 | 2020-09-22 | 西安交通大学 | Friction stir spot welding repair method for pre-deposited material for damage of pits of engine disk |
| CN112719273A (en) * | 2020-12-18 | 2021-04-30 | 燕山大学 | Surface pretreatment and restoration rolling integrated device based on semi-solid slurry |
| JP7076866B1 (en) * | 2020-12-18 | 2022-05-30 | 燕山大学 | Surface pretreatment and repair roll press integrated device based on semi-solid slurry |
| CN114367733A (en) * | 2022-02-11 | 2022-04-19 | 黄山学院 | Method and equipment for modifying and processing repairable stirring friction on surface layer of steel plate material |
| CN114850711A (en) * | 2022-06-08 | 2022-08-05 | 南昌航空大学 | Laser shock consolidation composite stirring friction material increase machining device and method |
| CN114850711B (en) * | 2022-06-08 | 2023-09-15 | 南昌航空大学 | Laser impact consolidation composite friction stir material-increasing processing device and method |
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Application publication date: 20191105 |