CN113897607A - Laser cladding process for wear-resisting plate and auxiliary equipment thereof - Google Patents
Laser cladding process for wear-resisting plate and auxiliary equipment thereof Download PDFInfo
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- CN113897607A CN113897607A CN202111098680.1A CN202111098680A CN113897607A CN 113897607 A CN113897607 A CN 113897607A CN 202111098680 A CN202111098680 A CN 202111098680A CN 113897607 A CN113897607 A CN 113897607A
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- 238000004372 laser cladding Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 140
- 239000000843 powder Substances 0.000 claims abstract description 79
- 229910000990 Ni alloy Inorganic materials 0.000 claims abstract description 74
- 239000000463 material Substances 0.000 claims abstract description 70
- 239000010941 cobalt Substances 0.000 claims abstract description 67
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229910000531 Co alloy Inorganic materials 0.000 claims abstract description 63
- 229910000640 Fe alloy Inorganic materials 0.000 claims abstract description 62
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 238000005253 cladding Methods 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 15
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 8
- 230000008093 supporting effect Effects 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001846 repelling effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 8
- 229910017052 cobalt Inorganic materials 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- ZGDWHDKHJKZZIQ-UHFFFAOYSA-N cobalt nickel Chemical compound [Co].[Ni].[Ni].[Ni] ZGDWHDKHJKZZIQ-UHFFFAOYSA-N 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009704 powder extrusion Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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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
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of wear-resistant plate production and processing, and particularly discloses a laser cladding process for a wear-resistant plate and auxiliary equipment thereof, which comprises the following steps: the method comprises the following steps: and (3) polishing the cladding surface of the substrate plate, after removing redundant scrap iron, washing the surface of the substrate plate clean, wiping industrial alcohol, and fully removing surface dust. The invention can squeeze and compact the iron, cobalt and nickel alloy powder covered on the base material plate, avoids the problem that a large amount of bubbles are generated in the wear-resistant layer during subsequent laser cladding due to a large amount of gaps among the iron, cobalt and nickel alloy powder to influence the wear-resistant effect of the wear-resistant plate, and simultaneously removes the gaps among the iron, cobalt and nickel alloy powder, so that the bubbles are not easily generated when the iron, cobalt and nickel alloy powder is cladded on the base material plate, thus the wear-resistant plate has a smooth surface after cladding processing, the uneven recess is not easily generated to influence the quality of the wear-resistant plate, and the production quality of the wear-resistant plate during cladding production is improved.
Description
Technical Field
The invention relates to the technical field of wear-resistant plate production and processing, in particular to a laser cladding process for a wear-resistant plate and auxiliary equipment thereof.
Background
The bimetal clad wear-resistant steel plate is a plate product specially used for large-area wear working conditions, and is a plate product prepared by compounding a wear-resistant layer with a certain thickness, high hardness and excellent wear resistance on the surface of common low-carbon steel or low-alloy steel with good toughness and plasticity by a surfacing method.
The bottom plate of the pusher in the coal yard is mostly made of wear-resistant plates because the bottom plate often rubs with materials, the wear-resistant plates for the pusher bottom plate of the coal yard are mostly made of a laser cladding process during production and manufacture, but the existing wear-resistant plates for the pusher bottom plate adopt a preset laser cladding process during laser cladding, certain gaps exist among iron, cobalt and nickel alloy powders when the iron, cobalt and nickel alloy powders are covered on a base material plate, certain amount of bubbles are generated in the wear-resistant layers during laser cladding due to the gaps, so that certain amount of bubbles exist in the wear-resistant layers of the wear-resistant plates subjected to laser cladding, the wear-resistant effect of the wear-resistant layers is influenced, and the uneven upper surfaces of the wear-resistant layers due to the lack of iron, cobalt and nickel alloy powders with certain amount of bubbles after a certain amount of bubbles are discharged during laser cladding, the quality of the wear-resistant plates is influenced, therefore, in order to solve the problems, a laser cladding process for a wear-resisting plate and auxiliary equipment thereof are provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a laser cladding process for a wear-resisting plate and auxiliary equipment thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a laser cladding process for a wear-resisting plate specifically comprises the following steps:
the method comprises the following steps: polishing the cladding surface of the substrate plate, removing redundant scrap iron, washing the surface of the substrate plate clean, wiping industrial alcohol, and fully removing surface dust;
step two: placing the cleaned substrate plate on loading auxiliary equipment, and fixing the substrate plate through the auxiliary equipment;
step three: uniformly pouring iron, cobalt and nickel alloy powder on the upper surface of the base material plate, and scraping by using a scraper;
step four: preheating the base material plate and the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate by using auxiliary equipment, removing dust impurities and the like in the iron, cobalt and nickel alloy powder by using the auxiliary equipment, compacting the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate, and reducing gaps among the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate;
step five: carrying out laser cladding on the base material plate and the iron, cobalt and nickel alloy powder covered on the base material plate by using a laser to obtain the wear-resisting plate;
step six: and carrying out post heat treatment on the wear-resisting plate by using auxiliary equipment to obtain the wear-resisting plate subjected to cladding processing.
Preferably, the iron alloy powder, the cobalt alloy powder and the nickel alloy powder are 35%, 48% and 17%, respectively.
Preferably, the substrate plate is a low-carbon steel plate, the laser is a CO2 laser, and the wear-resistant layer formed by cladding iron, cobalt and nickel alloy powder on the substrate plate accounts for 1/3-1/2 of the thickness of the substrate plate.
The utility model provides an auxiliary assembly for laser cladding technology of antifriction plate, comprising a base plate, there are two fixed plates at the bottom plate top through two backup pad rigid couplings, the hot plate is installed at two fixed plate tops, the opposite face of two fixed plates all rotates and is connected with the pivot, all there is the mounting panel through the climbing mechanism rigid coupling in two pivots, be provided with sideslip mechanism between two mounting panels, sideslip mechanism is connected with the diaphragm, the shower nozzle is installed to the diaphragm bottom, fan and first electro-magnet, the second electro-magnet is installed to the hot plate bottom, the opposite face of first electro-magnet and second electro-magnet is homopolar repellent magnetic pole.
Preferably, climbing mechanism is equipped with two altogether, and climbing mechanism is including fixing the dead lever at the pivot outer wall, and dead lever top rigid coupling has the fixed block, and the pneumatic cylinder is installed at the fixed block top, and the piston rod rigid coupling of pneumatic cylinder is in the mounting panel bottom.
Preferably, the second sliding sleeves are installed on two sides of the fixed block, the second sliding rods are fixed on two sides of the installation plate, the two second sliding rods are installed in the two second sliding sleeves in a sliding mode respectively, and the bottom ends of the two second sliding rods are fixed with limiting blocks.
Preferably, the opposite surfaces of the two fixing plates are provided with mounting grooves, bearings are mounted in the two mounting grooves, the two rotating shafts are rotatably mounted on the inner rings of the two bearings respectively, a first connecting plate is fixed on one side surface of one of the fixing plates, a second connecting plate is fixed on the top of the first connecting plate, a first motor is mounted on one side surface of the second connecting plate, and an output shaft of the first motor is fixedly connected with one of the rotating shafts.
Preferably, the traversing mechanism comprises a second motor installed on the side face of one of the installation plates, an output shaft of the second motor penetrates through one of the installation plates and is connected with a lead screw, a connecting block is sleeved on the lead screw in a threaded manner, a transverse plate is fixedly connected to the bottom of the connecting block, a first sliding sleeve is installed at the top of the connecting block, a first sliding rod is fixed between the two installation plates, the first sliding rod is slidably installed in the first sliding sleeve, a protection shell is installed on the side face of one of the installation plates, and the second motor is located in the protection shell.
Preferably, the spray head, the fan and the first electromagnet are sequentially installed at the bottom of the transverse plate from left to right, and the spray head, the fan and the first electromagnet are all located above the heating plate.
Preferably, the upper end and the lower end of the supporting plate are respectively fixed to the bottom of the fixing plate and the top of the bottom plate, the water tank is installed between the two fixing plates and is communicated with the spray head through the conveying pipe, the heating plate is provided with a bearing groove and an annular collecting groove, the bearing groove is located in an inner ring of the collecting groove, the collecting groove is provided with a collecting hole matched with the water tank, and the filtering plate is installed on the inner wall of the water tank.
Compared with the prior art, the invention has the beneficial effects that:
1: in the invention, the base material plate is firstly polished and washed to grind and flatten the surface of the plate, and simultaneously remove stubborn dust and impurities attached to the surface of the base material plate, so as to ensure the surface cleanliness of the base material plate during laser cladding processing, ensure that iron, cobalt and nickel alloy powder can better cover the surface of the base material plate to complete laser cladding processing, a scraper is used for scraping the iron, cobalt and nickel alloy powder to flatten the laser cladding surface of the iron, cobalt and nickel alloy powder and the base material plate, so as to avoid the levelness of a wear-resistant layer after laser cladding caused by the uneven surface of the base material plate, a second electromagnet of auxiliary equipment adsorbs the base material plate through a heating plate, can directly fix the base material plate, save the problem that the base material plate is required to be clamped by a clamping component, and simultaneously compact the iron, cobalt and nickel alloy powder covered on the base material plate by a first electromagnet which has the same polarity as that of the second electromagnet and repels, it utilizes the homopolar principle of repelling mutually of first electro-magnet and second electro-magnet, the second electro-magnet is to iron, cobalt, nickel alloy powder adsorbs, first electro-magnet is to iron, cobalt, nickel alloy powder extrudees and crowds, can be with the iron that covers on the substrate board, cobalt, nickel alloy powder extrusion compaction, avoid iron, cobalt, there is a large amount of clearances between the nickel alloy powder and produce a large amount of bubbles in the wearing layer and influence the wear-resisting effect of antifriction plate when leading to follow-up laser cladding, simultaneously with iron, cobalt, clearance between the nickel alloy powder is got rid of, iron, cobalt, nickel alloy powder is difficult for producing the bubble when cladding on the substrate board, can make the antifriction plate smooth in cladding processing back surface that finishes, difficult production unevenness's cave in and influence the quality of antifriction plate, improve the production quality of antifriction plate when cladding production.
2: according to the invention, the second electromagnet can adsorb and fix the base material plate through the heating plate and can adsorb the iron, cobalt and nickel alloy powder covered on the base material plate, so that the situation that the iron, cobalt and nickel alloy powder and the like are covered on the surface of the base material plate and are subjected to offset under laser cladding is avoided, meanwhile, the iron, cobalt and nickel alloy powder is extruded and compacted through the matching use of the first electromagnet and the second electromagnet, two purposes are achieved, the heating plate can preheat the base material plate and the iron, cobalt and nickel alloy powder covered on the base material plate while providing a supporting effect for the base material plate, the step of preheating the iron, cobalt and nickel alloy powder and the base material plate separately in the traditional cladding process is omitted, the laser cladding production and processing efficiency of the base material plate is improved, and when the second electromagnet adsorbs the base material plate and the iron, cobalt and nickel alloy powder covered on the base material plate through a fan, The cobalt-nickel alloy powder is blown, so that dust and impurities doped in the iron-cobalt-nickel alloy powder can be blown out, the dust and the impurities in the iron-cobalt-nickel alloy powder are removed, the purity of the iron-cobalt-nickel alloy powder is guaranteed, and the quality of the wear-resisting plate is improved.
3: the output shaft of the first motor drives the rotating shaft to rotate so that the two mounting plates and the parts mounted between the two mounting plates rotate around the connecting point of the rotating shaft and the fixed plate along with the mounting plates, the two mounting plates and the parts mounted between the two mounting plates can rotate to the side of the heating plate, laser cladding processing of a base material plate on the heating plate and iron, cobalt and nickel alloy powder covered on the base material plate by a laser is not influenced, the output shaft of the second motor drives the screw rod to rotate so that the mounting plates move transversely on the screw rod along with the connecting blocks, wind can comprehensively remove dust from the iron, cobalt and nickel alloy powder covered on the base material plate on the heating plate, and meanwhile, the iron, cobalt and nickel alloy powder covered on the base material plate can be extruded and compacted by the first electromagnet by utilizing the principle of homopolar repulsion of magnets.
Drawings
Fig. 1 is an isometric view of an auxiliary apparatus for a laser cladding process of a wear plate according to the present invention;
FIG. 2 is an isometric view of an auxiliary apparatus for a laser cladding process of a wear plate in accordance with the present invention;
fig. 3 is a schematic structural diagram of a heating plate of auxiliary equipment for a laser cladding process of a wear-resisting plate according to the present invention;
FIG. 4 is a cross-sectional view of an auxiliary apparatus for a laser cladding process of a wear plate according to the present invention;
FIG. 5 is a partial enlarged view of portion A of FIG. 4;
fig. 6 is a front view of an auxiliary device for a laser cladding process of a wear-resisting plate according to the present invention.
In the figure: 1. a base plate; 2. a water tank; 3. a support plate; 4. a fixing plate; 5. a first connecting plate; 6. a second connecting plate; 7. a first motor; 8. a bearing; 9. a rotating shaft; 10. mounting a plate; 11. a protective shell; 12. a first slide bar; 13. a first sliding sleeve; 14. connecting blocks; 15. a screw rod; 16. a transverse plate; 17. a spray head; 18. a fan; 19. a first electromagnet; 20. heating plates; 21. a second electromagnet; 22. a filter plate; 23. collecting tank; 24. a second motor; 25. a fixed block; 26. a second sliding sleeve; 27. a second slide bar; 28. a hydraulic cylinder; 29. and (5) fixing the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A laser cladding process for a wear-resisting plate specifically comprises the following steps:
the method comprises the following steps: polishing the cladding surface of the substrate plate, removing redundant scrap iron, washing the surface of the substrate plate clean, wiping industrial alcohol, and fully removing surface dust;
step two: placing the cleaned substrate plate on loading auxiliary equipment, and fixing the substrate plate through the auxiliary equipment;
step three: uniformly pouring iron, cobalt and nickel alloy powder on the upper surface of the base material plate, and scraping by using a scraper;
step four: preheating the base material plate and the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate by using auxiliary equipment, removing dust impurities and the like in the iron, cobalt and nickel alloy powder by using the auxiliary equipment, compacting the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate, and reducing gaps among the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate;
step five: carrying out laser cladding on the base material plate and the iron, cobalt and nickel alloy powder covered on the base material plate by using a laser to obtain the wear-resisting plate;
step six: and carrying out post heat treatment on the wear-resisting plate by using auxiliary equipment to obtain the wear-resisting plate subjected to cladding processing.
As a technical optimization scheme of the invention, the iron alloy powder accounts for 35%, the cobalt alloy powder accounts for 48% and the nickel alloy powder accounts for 17% of the iron, cobalt and nickel alloy powder.
As a technical optimization scheme of the invention, the base material plate is a low-carbon steel plate, the laser is a CO2 laser, and the wear-resistant layer formed by cladding iron, cobalt and nickel alloy powder on the base material plate accounts for 1/3-1/2 of the thickness of the base material plate.
Referring to fig. 1-6, an auxiliary device for laser cladding process of wear-resistant plates comprises a base plate 1, two fixed plates 4 are fixedly connected to the top of the base plate 1 through two supporting plates 3, heating plates 20 are mounted on the tops of the two fixed plates 4, rotating shafts 9 are rotatably connected to opposite surfaces of the two fixed plates 4, mounting plates 10 are fixedly connected to the two rotating shafts 9 through jacking mechanisms, a traversing mechanism is arranged between the two mounting plates 10 and connected with a transverse plate 16, a spray head 17 is mounted at the bottom of the transverse plate 16, a fan 18 and a first electromagnet 19, a second electromagnet 21 is mounted at the bottom of the heating plate 20, and opposite surfaces of the first electromagnet 19 and the second electromagnet 21 are magnetic poles with homopolar repulsion.
As a technical optimization scheme of the invention, the number of the jacking mechanisms is two, the jacking mechanisms comprise fixing rods 29 fixed on the outer wall of the rotating shaft 9, the top ends of the fixing rods 29 are fixedly connected with fixing blocks 25, the tops of the fixing blocks 25 are provided with hydraulic cylinders 28, piston rods of the hydraulic cylinders 28 are fixedly connected to the bottoms of the mounting plates 10, the heights of the mounting plates 10 can be adjusted by pushing the mounting plates 10 to move up and down through the piston rods of the hydraulic cylinders 28, and therefore the heights of the fan 18 and the first electromagnet 19 arranged at the bottom of the transverse plate 16 can be adjusted, and therefore the blowing force of the fan 18 on iron, cobalt and nickel alloy powder covered on the base material plate and the extrusion force generated by the principle that like poles of the electromagnets repel each other can be adjusted.
As a technical optimization scheme of the invention, the two sides of the fixed block 25 are both provided with the second sliding sleeves 26, the two sides of the mounting plate 10 are both fixed with the second sliding rods 27, the two second sliding rods 27 are respectively slidably mounted in the two second sliding sleeves 26, the bottom ends of the two second sliding rods 27 are both fixed with the limiting blocks, and the second sliding rods 27 are slidably mounted in the second sliding sleeves 26 to provide guidance for the hydraulic cylinders 28 to adjust the height of the mounting plate 10.
As a technical optimization scheme of the invention, mounting grooves are respectively formed on opposite surfaces of two fixing plates 4, bearings 8 are respectively mounted in the two mounting grooves, two rotating shafts 9 are respectively rotatably mounted on inner rings of the two bearings 8, a first connecting plate 5 is fixed on one side surface of one fixing plate 4, a second connecting plate 6 is fixed on the top of the first connecting plate 5, a first motor 7 is mounted on the side surface of the second connecting plate 6, an output shaft of the first motor 7 is fixedly connected with one rotating shaft 9, the output shaft of the first motor 7 drives the rotating shafts 9 to rotate so that the two mounting plates 10 and parts mounted between the two mounting plates rotate around a connecting point of the rotating shaft 9 and the fixing plate 4 along with the mounting plates 10, the two mounting plates 10 and the parts mounted between the two mounting plates can be rotatably moved to the side of a heating plate 20, and the base material plate on the heating plate 20 and iron, cobalt and the parts covered on the two mounting plates do not influence a laser, And carrying out laser cladding processing on the nickel alloy powder.
As a technical optimization scheme of the invention, the transverse moving mechanism comprises a second motor 24 arranged on the side surface of one of the mounting plates 10, an output shaft of the second motor 24 penetrates through one of the mounting plates 10 and is connected with a screw rod 15, a connecting block 14 is sleeved on the screw rod 15 in a threaded manner, a transverse plate 16 is fixedly connected to the bottom of the connecting block 14, a first sliding sleeve 13 is arranged at the top of the connecting block 14, a first sliding rod 12 is fixed between the two mounting plates 10, the first sliding rod 12 is slidably arranged in the first sliding sleeve 13, a protective shell 11 is arranged on the side surface of one of the mounting plates 10, the second motor 24 is positioned in the protective shell 11, the output shaft of the second motor 24 drives the screw rod 15 to rotate so that the mounting plates 10 do transverse movement on the screw rod 15 along with the connecting block 14, so that the fan 18 can comprehensively remove dust on iron, cobalt and nickel alloy powder covered on a base material plate on the heating plate 20, and the first electromagnet 19 can be used for removing dust on the iron, cobalt and nickel alloy powder covered on the base material plate, The cobalt and nickel alloy powder is extruded and compacted by utilizing the principle that like poles of magnets repel each other.
As a technical optimization scheme of the invention, the spray head 17, the fan 18 and the first electromagnet 19 are sequentially arranged at the bottom of the transverse plate 16 from left to right, the spray head 17, the fan 18 and the first electromagnet 19 are all positioned above the heating plate 20, the spray head 17 can perform post heat treatment on the wear-resisting plate processed by laser cladding on the heating plate 20, the step of performing post heat treatment on the wear-resisting plate processed by laser cladding separately in the later period is omitted, and the production efficiency of the wear-resisting plate is improved.
As a technical optimization scheme of the invention, the upper end and the lower end of a supporting plate 3 are respectively fixed at the bottom of a fixing plate 4 and the top of a bottom plate 1, a water tank 2 is installed between the two fixing plates 4, the water tank 2 is communicated with a spray nozzle 17 through a conveying pipe, a bearing groove and an annular collecting groove 23 are formed in a heating plate 20, the bearing groove is positioned in the inner ring of the collecting groove 23, a collecting hole matched with the water tank 2 is formed in the collecting groove 23, a filtering plate 22 is installed on the inner wall of the water tank 2, the bearing groove can facilitate the base material plate to be placed in the bearing groove to provide a limiting effect for the base material plate, and the collecting groove 23 can facilitate the collecting of water sprayed by the spray nozzle 17 and subjected to post heat treatment on the machined wear-resisting plate and is uniformly conveyed into the water tank 2 through the conveying pipe to be collected in a centralized manner.
When the auxiliary equipment for the laser cladding process of the wear-resistant plate is used, the base material plate is placed in the bearing groove formed in the heating plate 20, the bearing groove can provide a limiting effect on the base material plate, and the base material plate is prevented from being deviated when being placed on the heating plate 20; the second electromagnet 21 is started, the second electromagnet 21 adsorbs the substrate plate through the heating plate 20, and the substrate plate can be directly fixed, so that the problem that the substrate plate needs to be clamped by a clamping assembly is solved; starting a first motor 7, wherein an output shaft of the first motor 7 drives a rotating shaft 9 to rotate around a connecting point of the rotating shaft 9 and a fixed plate 4, so that the rotating shaft 9 drives two mounting plates 10 to rotate through a jacking mechanism until a transverse plate 16 between the two mounting plates 10 rotates to a horizontal state, and the rotating shaft stops rotating until the transverse plate 16 rotates to the horizontal state, and when the heating plate is not used, the two mounting plates 10 and parts mounted between the two mounting plates 10 can rotate and move to the side of a heating plate 20, and laser cladding processing of a base material plate on the heating plate 20 and iron, cobalt and nickel alloy powder covered on the base material plate by a laser is not influenced; starting the hydraulic cylinder 28, wherein the height of the mounting plate 10 can be adjusted by pushing the mounting plate 10 to move up and down by a piston rod of the hydraulic cylinder 28, so that the heights of the fan 18 and the first electromagnet 19 which are arranged at the bottom of the transverse plate 16 can be adjusted, and the blowing force of the fan 18 on the iron, cobalt and nickel alloy powder covered on the base material plate and the extrusion force generated by the principle that like poles of the electromagnets repel each other can be adjusted; after the adjustment is finished, the second motor 24 is started, an output shaft of the second motor 24 drives the screw rod 15 to rotate, so that the connecting block 14 can move transversely on the screw rod 15, the transverse position of the transverse plate 16 at the bottom of the connecting block 14 can be adjusted, and the spray head 17, the fan 18 and the first electromagnet 19 can move transversely along with the connecting block 14; when the transverse plate 16 moves from right to left, the second electromagnet 21 adsorbs and fixes the base material plate through the heating plate 20, and simultaneously adsorbs and fixes the iron, cobalt and nickel alloy powder covered on the base material plate, the blower 18 can be used for blowing the iron, cobalt and nickel alloy powder covered on the base material plate, so that dust and impurities doped in the iron, cobalt and nickel alloy powder can be blown out, the dust and impurities in the iron, cobalt and nickel alloy powder can be removed, the purity of the iron, cobalt and nickel alloy powder is ensured, and the quality of the wear-resisting plate is improved; meanwhile, the first electromagnet 19 which repels the same poles of the second electromagnet 21 is used for extruding and compacting the iron, cobalt and nickel alloy powder covered on the base material plate, the principle that the same poles of the first electromagnet 19 and the second electromagnet 21 repel each other is utilized, the second electromagnet 21 adsorbs the iron, cobalt and nickel alloy powder, the first electromagnet 19 extrudes and squeezes the iron, cobalt and nickel alloy powder covered on the base material plate, the problem that a large number of bubbles are generated in a wear-resistant layer when the subsequent laser cladding is carried out due to the existence of a large number of gaps among the iron, cobalt and nickel alloy powder to influence the wear-resistant effect of the wear-resistant plate is avoided, the gaps among the iron, cobalt and nickel alloy powder are removed, and the bubbles are not easily generated when the iron, cobalt and nickel alloy powder is cladded on the base material plate, so that the surface of the wear-resistant plate is flat after the processing is finished, and the quality of the wear-resistant plate is not easily influenced due to the generation of uneven depressions, improve the production quality of antifriction plate when cladding production, to usable shower nozzle 17 carry out the back thermal treatment to the antifriction plate after antifriction plate laser cladding production finishes, accomplish antifriction plate laser cladding process flow, the collecting vat 23 that water tank 2 seted up on through hot plate 20 is collected water in unison.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A laser cladding process for a wear-resisting plate is characterized by comprising the following steps:
the method comprises the following steps: polishing the cladding surface of the substrate plate, removing redundant scrap iron, washing the surface of the substrate plate clean, wiping industrial alcohol, and fully removing surface dust;
step two: placing the cleaned substrate plate on loading auxiliary equipment, and fixing the substrate plate through the auxiliary equipment;
step three: uniformly pouring iron, cobalt and nickel alloy powder on the upper surface of the base material plate, and scraping by using a scraper;
step four: preheating the base material plate and the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate by using auxiliary equipment, removing dust impurities and the like in the iron, cobalt and nickel alloy powder by using the auxiliary equipment, compacting the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate, and reducing gaps among the iron, cobalt and nickel alloy powder covered on the upper surface of the base material plate;
step five: carrying out laser cladding on the base material plate and the iron, cobalt and nickel alloy powder covered on the base material plate by using a laser to obtain the wear-resisting plate;
step six: and carrying out post heat treatment on the wear-resisting plate by using auxiliary equipment to obtain the wear-resisting plate subjected to cladding processing.
2. The laser cladding process for a wear plate as claimed in claim 1, wherein the iron, cobalt and nickel alloy powders comprise 35% of iron alloy powder, 48% of cobalt alloy powder and 17% of nickel alloy powder.
3. The laser cladding process for the wear-resisting plate as claimed in claim 1, wherein the substrate plate is made of low carbon steel, the laser is a CO2 laser, and the wear-resisting layer formed by cladding iron, cobalt and nickel alloy powder on the substrate plate accounts for 1/3-1/2 of the thickness of the substrate plate.
4. An auxiliary apparatus for a laser cladding process of a wear plate as claimed in claim 1, the novel heating plate is characterized by comprising a base plate (1), two fixing plates (4) are fixedly connected to the top of the base plate (1) through two supporting plates (3), heating plates (20) are mounted at the tops of the two fixing plates (4), rotating shafts (9) are rotatably connected to opposite surfaces of the two fixing plates (4), mounting plates (10) are fixedly connected to the two rotating shafts (9) through jacking mechanisms, a transverse moving mechanism is arranged between the two mounting plates (10), the transverse moving mechanism is connected with a transverse plate (16), a spray head (17) is mounted at the bottom of the transverse plate (16), a fan (18) and a first electromagnet (19), a second electromagnet (21) is mounted at the bottom of the heating plate (20), and opposite surfaces of the first electromagnet (19) and the second electromagnet (21) are magnetic poles with like poles repelling each other.
5. The auxiliary equipment for the laser cladding process of the wear-resisting plate is characterized in that the number of the jacking mechanisms is two, the jacking mechanisms comprise fixing rods (29) fixed on the outer wall of the rotating shaft (9), fixing blocks (25) are fixedly connected to the top ends of the fixing rods (29), hydraulic cylinders (28) are mounted at the tops of the fixing blocks (25), and piston rods of the hydraulic cylinders (28) are fixedly connected to the bottoms of the mounting plates (10).
6. The auxiliary equipment for the laser cladding process of the wear-resisting plate is characterized in that second sliding sleeves (26) are mounted on two sides of the fixing block (25), second sliding rods (27) are fixed on two sides of the mounting plate (10), the two second sliding rods (27) are respectively slidably mounted in the two second sliding sleeves (26), and limiting blocks are fixed at the bottom ends of the two second sliding rods (27).
7. The auxiliary equipment for the laser cladding process of the wear-resisting plate is characterized in that mounting grooves are formed in opposite surfaces of the two fixing plates (4), bearings (8) are mounted in the two mounting grooves, the two rotating shafts (9) are rotatably mounted on inner rings of the two bearings (8) respectively, a first connecting plate (5) is fixed on the side surface of one fixing plate (4), a second connecting plate (6) is fixed on the top of the first connecting plate (5), a first motor (7) is mounted on the side surface of the second connecting plate (6), and an output shaft of the first motor (7) is fixedly connected with one rotating shaft (9).
8. The auxiliary equipment for the laser cladding process of the wear-resisting plate is characterized in that the traversing mechanism comprises a second motor (24) arranged on the side surface of one of the mounting plates (10), an output shaft of the second motor (24) penetrates through one of the mounting plates (10) and is connected with a screw rod (15), a connecting block (14) is sleeved on the screw rod (15) in a threaded manner, a transverse plate (16) is fixedly connected to the bottom of the connecting block (14), a first sliding sleeve (13) is arranged at the top of the connecting block (14), a first sliding rod (12) is fixed between the two mounting plates (10), the first sliding rod (12) is slidably arranged in the first sliding sleeve (13), a protective shell (11) is arranged on the side surface of one of the mounting plates (10), and the second motor (24) is located in the protective shell (11).
9. Auxiliary equipment for the laser cladding process of wear plates is characterized in that the spray head (17), the fan (18) and the first electromagnet (19) are sequentially arranged at the bottom of the transverse plate (16) from left to right, and the spray head (17), the fan (18) and the first electromagnet (19) are all positioned above the heating plate (20).
10. The auxiliary equipment for the laser cladding process of the wear-resisting plate is characterized in that the upper end and the lower end of the supporting plate (3) are respectively fixed to the bottom of the fixing plate (4) and the top of the bottom plate (1), the water tank (2) is installed between the two fixing plates (4), the water tank (2) is communicated with the spray head (17) through a conveying pipe, a bearing groove and an annular collecting groove (23) are formed in the heating plate (20), the bearing groove is located in the inner ring of the collecting groove (23), the collecting groove (23) is provided with collecting holes matched with the water tank (2), and the filtering plate (22) is installed on the inner wall of the water tank (2).
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| CN202111098680.1A CN113897607B (en) | 2021-09-18 | 2021-09-18 | Laser cladding process for wear-resistant plate and auxiliary equipment thereof |
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| CN202111098680.1A CN113897607B (en) | 2021-09-18 | 2021-09-18 | Laser cladding process for wear-resistant plate and auxiliary equipment thereof |
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| CN117987829A (en) * | 2024-04-07 | 2024-05-07 | 广东中科德弗激光科技有限公司 | High-speed laser cladding equipment and method |
| CN117987829B (en) * | 2024-04-07 | 2024-06-04 | 广东中科德弗激光科技有限公司 | High-speed laser cladding equipment and method |
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| CN113897607B (en) | 2023-10-31 |
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