CN107457710B - Shot blasting machine roller way with device for preventing shot from leaking - Google Patents

Shot blasting machine roller way with device for preventing shot from leaking Download PDF

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Publication number
CN107457710B
CN107457710B CN201710882142.9A CN201710882142A CN107457710B CN 107457710 B CN107457710 B CN 107457710B CN 201710882142 A CN201710882142 A CN 201710882142A CN 107457710 B CN107457710 B CN 107457710B
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roller way
shot
blasting machine
leakage
cooling
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CN107457710A (en
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潘绍兵
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Jiangsu Feiteng Casting Machinery Co ltd
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Jiangsu Feiteng Casting Machinery Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
    • B24C3/083—Transfer or feeding devices; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/38—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

The invention discloses a shot blasting machine roller way with a shot leakage preventing device, which comprises a roller way horizontally arranged in a shot blasting machine main body, wherein shaft heads at two ends of the roller way respectively penetrate through two side walls of the shot blasting machine main body and extend out, and the central axis of the roller way along the length direction coincides with the central axis of the shot blasting machine main body; the bearings are respectively sleeved on the shaft heads at two ends of the roller way, a bearing seat is sleeved outside the bearings, the bearings at two sides are completely identical with the bearing seats and are symmetrically arranged, a leakage-proof cover is arranged on the side wall inside the shot blasting machine main body, the leakage-proof cover is sleeved on the roller way, an annular cavity is arranged inside the leakage-proof cover, a discharge hole is arranged below the leakage-proof cover, a blowing blade is arranged at the position corresponding to the annular cavity, an annular baffle is outwards extended at one side of the leakage-proof cover, a cone frustum is arranged at the position corresponding to the annular baffle, and the outer diameter of the cone frustum is gradually increased when the cone frustum approaches to the leakage-proof cover.

Description

Shot blasting machine roller way with device for preventing shot from leaking
Technical Field
The invention relates to a roller way structure, in particular to a roller way of a shot blasting machine with a device for preventing shot from leaking.
Background
At present, due to severe working environment in the market, a large number of shots leak out through gaps between equipment in working, so that the environment is polluted, the normal operation of the equipment is influenced, the service life of a bearing is even seriously influenced, a large number of shots are splashed out of a main body of the shot blasting machine through the gaps, a large number of shots are wasted, the production cost is increased, the normal working of the shot blasting machine is influenced, the failure rate is increased, the working efficiency of the shot blasting machine is reduced, and the problem is increasingly outstanding.
Disclosure of Invention
Aiming at the defects of the similar technology, the invention aims to provide the shot blasting machine roller way with the shot leakage preventing device, which can reduce the cost, improve the working efficiency, prolong the service life of the bearing, avoid the leakage of a large amount of shots during the working, save a large amount of resources and save the cost.
In order to solve the technical problems, the invention designs a roller way of a shot blasting machine with a device for preventing shot from leaking, which comprises a roller way horizontally arranged in a main body of the shot blasting machine, wherein shaft heads at two ends of the roller way respectively penetrate through two side walls of the main body of the shot blasting machine, and the central axis of the roller way along the length direction coincides with the central axis of the main body of the shot blasting machine;
the shaft heads at two ends of the roller way respectively penetrate through cover plates arranged outside two side walls of the shot blasting machine main body, the outer sides of the cover plates at two ends are respectively provided with a bracket, the shaft heads at two ends of the roller way respectively penetrate through back plates of the brackets, a stand is extended from the back plates of the brackets along the length direction of the roller way, and the cover plates at two sides and the brackets at two sides are completely identical and symmetrically arranged;
bearings are respectively sleeved on shaft heads at two ends of the roller way, a bearing seat is sleeved outside the bearings, the bearing seats are fixed on a bracket stand at the same side of the bearing seat, the bearings at two sides are completely identical to the bearing seats and are symmetrically arranged, a chain wheel is arranged on a shaft head at one end of the roller way, and the central axis of the chain wheel is coincident with the central axis of the roller way along the length direction; the side wall of the inner part of the shot blasting machine main body is provided with a leakage-proof cover, the leakage-proof cover is sleeved on a roller way, an annular cavity is arranged in the leakage-proof cover, a discharge hole is arranged below the leakage-proof cover, a blast blade is arranged at a position corresponding to the annular cavity on the roller way, one side of the leakage-proof cover extends outwards to form an annular baffle, a cone frustum is arranged at a position corresponding to the annular baffle on the roller way, and the outer diameter of the cone frustum gradually increases when the cone frustum approaches the leakage-proof cover;
the outer surface of the roller way is provided with a wear-resistant metal coating, and the wear-resistant metal coating comprises the following components in parts by mass: ni:8.2-8.5%, ti:10.2-10.5%, si:0.03-0.05%, al:0.23-0.25%, C:0.01-0.03%, mn:2.15-2.17%, na:0.07-0.09%, co:0.22-0.28%, P:0.001-0.003%, cu:0.53-0.55%, zn:0.25-0.27%, V:0.22-0.28%, rare earth: 1.25-1.28%, and the balance of Fe and unavoidable impurities;
the composite rare earth comprises the following components in percentage by weight: la:12-15%, dy:2.3-2.5%, pm:0.25-0.28%, eu:1.2-1.5%, nd:5.2-5.5%; the balance of Ce and unavoidable impurities.
The technical scheme of the invention is as follows:
the shot blasting machine roller bed with the shot leakage preventing device is characterized in that the blast blades are provided with the symmetrical long blades, and the unilateral gap between the long blades and the leakage preventing cover is 5-8mm.
The section angle of the cone frustum of the roller table of the shot blasting machine with the shot leakage preventing device is 130-150 degrees, and the unilateral gap between the cone frustum and the leakage preventing cover is 3-5mm at least.
The roller way of the shot blasting machine with the shot leakage preventing device is characterized in that a first annular groove is formed in the outer side of the cover plate, a second annular groove is formed in one side, close to the cover plate, of the support, the first annular groove and the second annular groove are combined to form a U-shaped annular groove, and an annular partition plate is arranged at a position, corresponding to the U-shaped annular groove, of the roller way.
The roller way of the shot blasting machine with the device for preventing the shot from leaking outside comprises the following components in parts by weight: ni:8.2%, ti:10.2%, si:0.03%, al:0.23%, C:0.01%, mn:2.15%, na:0.07%, co:0.22%, P:0.001%, cu:0.53%, zn:0.25%, V:0.22%, rare earth: 1.25% of Fe and the balance of unavoidable impurities;
the composite rare earth comprises the following components in percentage by weight: la:12%, dy:2.3%, pm:0.25%, eu:1.2%, nd:5.2%; the balance of Ce and unavoidable impurities.
The roller way of the shot blasting machine with the device for preventing the shot from leaking outside comprises the following components in parts by weight: ni:8.5%, ti:10.5%, si:0.05%, al:0.25%, C:0.03%, mn:2.17%, na:0.09%, co:0.28%, P:0.003%, cu:0.55%, zn:0.27%, V:0.28%, rare earth: 1.28% of Fe and the balance of unavoidable impurities;
the composite rare earth comprises the following components in percentage by weight: la:15%, dy:2.5%, pm:0.28%, eu:1.5%, nd:5.5%; the balance of Ce and unavoidable impurities.
The roller way of the shot blasting machine with the device for preventing the shot from leaking outside comprises the following components in parts by weight: ni:8.3%, ti:10.4%, si:0.04%, al:0.24%, C:0.02%, mn:2.16%, na:0.08%, co:0.25%, P:0.002%, cu:0.54%, zn:0.26%, V:0.26%, rare earth: 1.27% of Fe and the balance of unavoidable impurities;
the composite rare earth comprises the following components in percentage by weight: la:13%, dy:2.4%, pm:0.27%, eu:1.4%, nd:5.3%; the balance of Ce and unavoidable impurities.
The preparation method of the wear-resistant metal coating is carried out according to the following steps:
step (1): delivering Ni, ti, si, al, C, mn, na, fe into a forging furnace for forging, wherein the forging temperature is 1200-1400 ℃, preserving heat for 30-50min, adding Co, P, cu, zn, V elements, increasing the forging temperature to 1600-1800 ℃, preserving heat for 30-60min, reducing the temperature to 980-990 ℃, adding rare earth, preserving heat for 1-3 h, uniformly stirring, introducing nitrogen as protective gas in the stirring process, and cooling by adopting air cooling: cooling to room temperature at an air cooling speed of 10-15 ℃/s;
step (2): cutting the forged blank into a plurality of small blocks, putting the small blocks into a ball mill for crushing, sieving the small blocks with a 200-mesh sieve to obtain metal powder, uniformly spraying the metal powder on the surface of a roller way, heating the surface of the roller way to 500-560 ℃ with the thickness of 0.5-0.8mm, preserving heat for 15-30min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 20-25 ℃/s;
step (3): then heating the surface of the roller way to 600-620 ℃, preserving heat for 15-30min, spraying metal powder again on the surface of the roller way, wherein the thickness is 0.7-0.9mm, preserving heat for 20-25min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 20-25 ℃/s;
step (4): heating the roller way obtained in the step (3) to 750-790 ℃, preserving heat for 5-8 hours, then air-cooling to room temperature, then heating to 550-600 ℃, preserving heat for 30-50 minutes, and then air-cooling to room temperature again;
step (5): and (3) adopting 100% magnetic powder inspection to inspect the roller table obtained in the step (4), and obtaining a finished product after the inspection is qualified.
Compared with the prior art, the invention has the following advantages:
according to the technical scheme, the air blower is arranged on the roller way, the air blower is formed between the air blower blade and the leakage-proof cover, when the roller way rotates at a high speed, the air blower blade rotates, negative pressure is formed inside the leakage-proof cover, so that external air is sucked into the leakage-proof cover by utilizing the differential pressure principle, the problems that the pellets are exposed through gaps between equipment, pollution is caused, resources are wasted and cost is increased are avoided, a large number of pellets can be reduced to enter the leakage-proof cover by arranging the cone table, and even if the pellets enter the leakage-proof cover, the pellets enter the main body of the shot blasting machine again from the discharge hole under the action of the air blower blade;
the sealing structure is formed under the combined action of the U-shaped annular groove and the annular partition plate, so that the pellets are prevented from leaking out, the reliability of the equipment is improved, the later complex maintenance caused by the adoption of the sealing ring is avoided, the sealing can be realized by utilizing the structure of the sealing ring, the cost is low, the splashed pellets are effectively prevented from impacting and wearing the bearing, the damage of the bearing is avoided, the service life of the bearing is prolonged, and the cost is saved;
the surface of the roller way is plated with a metal coating, and by adding element Ni, the nickel has the functions of antioxidation and corrosion resistance, has higher strength and antioxidation and gas corrosion resistance at a high temperature of 650-1000 ℃, and can be used for a long time even at a temperature of 1000-1100 ℃; copper is contained, so that the resistance to various acid corrosion and stress corrosion can be improved; the aluminum-containing alloy has higher resistivity, lower resistivity temperature coefficient and good corrosion resistance, improves the oxidation resistance and high-temperature resistance of the alloy material, can greatly improve the strength and wear resistance of a coating by adding Co and Zn, and also has the effect of a catalyst in the preparation process by adding rare earth elements, so that fine and compact grains are formed, and unexpected results are generated;
and a specific preparation method is disclosed, wherein the method is original, and air cooling is adopted in the step 1: the cooling is carried out at the air cooling speed of 10-15 ℃/s to the room temperature, the air cooling is adopted, and the cooling is carried out at a certain speed, so that the rejection between grains is effectively reduced, the elements are reacted and combined for a sufficient time, the overburning phenomenon is avoided, the spraying is carried out twice in the step 2 and the step 3, the adhesiveness between the coating and a roller way is improved, the combination is firmer, the service life is prolonged, the heat treatment process is carried out in the step 4, the combination degree between the grains is strengthened again, the overall strength and the wear resistance are improved, and the oxidation resistance is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1A;
FIG. 3 is a schematic view of a blower blade;
wherein: the shot blasting machine comprises a 1-shot blasting machine body, a 2-roller way, a 3-cover plate, a 4-support, a 5-stand, a 6-bearing, a 7-sprocket, an 8-leakage-proof cover, a 9-annular cavity, a 10-discharge hole, 11-blasting blades, a 12-annular baffle, a 13-cone frustum, 14-long blades, a 15-first annular groove, a 16-second annular groove, a 17-U-shaped annular groove and 18-annular baffle.
Detailed Description
The invention is described in further detail below with reference to the attached drawing figures:
example 1
The embodiment provides a shot blasting machine roller way with a shot leakage preventing device, which comprises a roller way 2 horizontally arranged in a shot blasting machine main body 1, wherein shaft heads at two ends of the roller way 2 respectively penetrate through two side walls of the shot blasting machine main body 1, and the central axis of the roller way 2 along the length direction coincides with the central axis of the shot blasting machine main body 1;
the shaft heads at two ends of the roller way 2 respectively penetrate through cover plates 3 arranged outside two side walls of the shot blasting machine main body 1, a support 4 is respectively arranged outside the cover plates 3 at two ends, the shaft heads at two ends of the roller way 2 respectively penetrate through the back plate of the support 4, a stand 5 extends out of the back plate of the support 4 along the length direction of the roller way, and the cover plates 3 at two sides and the support 4 at two sides are completely identical and symmetrically arranged;
the two ends of the roller way 2 are respectively sleeved with a bearing 6, a bearing seat is sleeved outside the bearing 6, the bearing seat is fixed on a bracket stand 5 on the same side of the bearing seat, the bearings on the two sides are completely identical to the bearing seat and are symmetrically arranged, a chain wheel 7 is arranged on one end shaft head of the roller way 2, and the central axis of the chain wheel 7 is coincident with the central axis of the roller way along the length direction; the method is characterized in that: the side wall of the inner part of the shot blasting machine main body 1 is provided with a leakage-proof cover 8, the leakage-proof cover 8 is sleeved on a roller way 2, the inner part of the leakage-proof cover 8 is provided with an annular cavity 9, a discharge hole 10 is arranged below the leakage-proof cover 8, a blowing blade 11 is arranged at a position of the roller way corresponding to the annular cavity 9, one side of the leakage-proof cover 8 extends outwards to form an annular baffle 12, a conical frustum 13 is arranged at a position of the roller way 2 corresponding to the annular baffle 12, and the outer diameter of the conical frustum 13 gradually increases when approaching the leakage-proof cover 8;
the blast blade 11 is provided with a pair of symmetrical long blades 14, and the unilateral gap between the long blades 14 and the leak-proof cover 8 is 8mm; the section angle of the cone frustum is 130 degrees, and the single-side gap between the cone frustum and the leak-proof cover is 3mm at least; the outer side of the cover plate 3 is provided with a first annular groove 15, one side of the bracket 4, which is close to the cover plate 3, is provided with a second annular groove 16, the first annular groove 15 and the second annular groove 16 are combined to form a U-shaped annular groove 17, and an annular partition plate 18 is arranged at a position, corresponding to the U-shaped annular groove 17, of the roller way;
the outer surface of the roller way is provided with a wear-resistant metal coating, and the wear-resistant metal coating comprises the following components in parts by mass: ni:8.2%, ti:10.2%, si:0.03%, al:0.23%, C:0.01%, mn:2.15%, na:0.07%, co:0.22%, P:0.001%, cu:0.53%, zn:0.25%, V:0.22%, rare earth: 1.25% of Fe and the balance of unavoidable impurities;
the composite rare earth comprises the following components in percentage by weight: la:12%, dy:2.3%, pm:0.25%, eu:1.2%, nd:5.2%; the balance of Ce and unavoidable impurities;
the preparation method of the wear-resistant metal coating comprises the following steps:
step (1): ni, ti, si, al, C, mn, na, fe is sent into a forging furnace to be forged, the forging temperature is 1200 ℃, the heat preservation is carried out for 30min, co, P, cu, zn, V elements are added, the forging temperature is increased to 1600 ℃, the heat preservation is carried out for 30min, the temperature is reduced to 980 ℃, rare earth is added, the heat preservation is carried out for 1 h, stirring is uniform, nitrogen is introduced as protective gas in the stirring process, and then air cooling is adopted for cooling: cooling to room temperature at an air cooling speed of 10 ℃/s;
step (2): cutting the forged blank into a plurality of small blocks, putting the small blocks into a ball mill for crushing, sieving the small blocks with a 200-mesh sieve to obtain metal powder, uniformly spraying the metal powder on the surface of a roller way, heating the surface of the roller way to 500 ℃, preserving heat for 15min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 20 ℃/s;
step (3): then heating the surface of the roller way to 600 ℃, preserving heat for 15min, spraying metal powder again to the surface of the roller way, keeping the thickness of the metal powder to be 0.7mm, preserving heat for 20min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 20 ℃/s;
step (4): heating the roller way obtained in the step (3) to 750 ℃, preserving heat for 5 hours, then air-cooling to room temperature, then heating to 550 ℃, preserving heat for 30 minutes, and then air-cooling to room temperature again;
step (5): and (3) adopting 100% magnetic powder inspection to inspect the roller table obtained in the step (4), and obtaining a finished product after the inspection is qualified.
The working process of the embodiment is as follows: starting the equipment, the roller way 2 rotates at a high speed, after the surface of a workpiece is impacted by a high-speed shot beam thrown out by the shot blasting machine, oxide skin, dirt and other attachments on the surface are cleaned up rapidly, and the leakage-proof cover 8 blocks the shot and other impurities from leaking out of a gap of the equipment, so that the environment is polluted, the resources are wasted and the cost is increased.
Example 2
The embodiment provides a shot blasting machine roller way with a shot leakage prevention device, which has the same structure as that of the embodiment 1, wherein the outer surface of the roller way is provided with a wear-resistant metal coating, and the wear-resistant metal coating comprises the following components in parts by mass: ni:8.5%, ti:10.5%, si:0.05%, al:0.25%, C:0.03%, mn:2.17%, na:0.09%, co:0.28%, P:0.003%, cu:0.55%, zn:0.27%, V:0.28%, rare earth: 1.28% of Fe and the balance of unavoidable impurities;
the composite rare earth comprises the following components in percentage by weight: la:15%, dy:2.5%, pm:0.28%, eu:1.5%, nd:5.5%; the balance of Ce and unavoidable impurities;
the preparation method of the wear-resistant metal coating comprises the following steps:
step (1): ni, ti, si, al, C, mn, na, fe is sent into a forging furnace to be forged, the forging temperature is 1400 ℃, the heat preservation is carried out for 50min, co, P, cu, zn, V elements are added, the forging temperature is increased to 1800 ℃, the heat preservation is carried out for 60min, the temperature is reduced to 990 ℃, rare earth is added, the heat preservation is carried out for 3 h, stirring is uniform, nitrogen is introduced as protective gas in the stirring process, and then air cooling is adopted for cooling: cooling to room temperature at an air cooling speed of 15 ℃/s;
step (2): cutting the forged blank into a plurality of small blocks, putting the small blocks into a ball mill for crushing, sieving the small blocks with a 200-mesh sieve to obtain metal powder, uniformly spraying the metal powder on the surface of a roller way, heating the surface of the roller way to 560 ℃, preserving heat for 30min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 25 ℃/s;
step (3): then heating the surface of the roller way to 620 ℃, preserving heat for 30min, spraying metal powder again to the surface of the roller way, keeping the thickness of the metal powder to be 0.9mm, preserving heat for 25min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 25 ℃/s;
step (4): heating the roller way obtained in the step (3) to 790 ℃, preserving heat for 8 hours, then air-cooling to room temperature, then heating to 600 ℃, preserving heat for 50 minutes, and then air-cooling to room temperature again;
step (5): and (3) adopting 100% magnetic powder inspection to inspect the roller table obtained in the step (4), and obtaining a finished product after the inspection is qualified.
Example 3
The embodiment provides a shot blasting machine roller way with a shot leakage prevention device, which has the same structure as that of the embodiment 1, wherein the outer surface of the roller way is provided with a wear-resistant metal coating, and the wear-resistant metal coating comprises the following components in parts by mass: ni:8.3%, ti:10.4%, si:0.04%, al:0.24%, C:0.02%, mn:2.16%, na:0.08%, co:0.25%, P:0.002%, cu:0.54%, zn:0.26%, V:0.26%, rare earth: 1.27% of Fe and the balance of unavoidable impurities;
the composite rare earth comprises the following components in percentage by weight: la:13%, dy:2.4%, pm:0.27%, eu:1.4%, nd:5.3%; the balance of Ce and unavoidable impurities;
the preparation method of the wear-resistant metal coating comprises the following steps:
step (1): ni, ti, si, al, C, mn, na, fe is sent into a forging furnace to be forged, the forging temperature is 1300 ℃, the heat preservation is carried out for 40min, co, P, cu, zn, V elements are added, the forging temperature is increased to 1700 ℃, the heat preservation is carried out for 50min, the temperature is reduced to 985 ℃, rare earth is added, the heat preservation is carried out for 2 h, the stirring is uniform, nitrogen is introduced as protective gas in the stirring process, and then air cooling is adopted for cooling: cooling to room temperature at an air cooling speed of 12 ℃/s;
step (2): cutting the forged blank into a plurality of small blocks, putting the small blocks into a ball mill for crushing, sieving the small blocks with a 200-mesh sieve to obtain metal powder, uniformly spraying the metal powder on the surface of a roller way, heating the surface of the roller way to 550 ℃, preserving heat for 20min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 22 ℃/s;
step (3): then heating the surface of the roller way to 610 ℃, preserving heat for 20min, spraying metal powder again to the surface of the roller way, keeping the thickness of the metal powder to be 0.8mm, preserving heat for 22min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 23 ℃/s;
step (4): heating the roller way obtained in the step (3) to 780 ℃, preserving heat for 6 hours, then air-cooling to room temperature, then heating to 560 ℃, preserving heat for 40 minutes, and then air-cooling to room temperature again;
step (5): and (3) adopting 100% magnetic powder inspection to inspect the roller table obtained in the step (4), and obtaining a finished product after the inspection is qualified.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are included in the scope of protection claimed by the present invention.

Claims (4)

1. The utility model provides a shot-blasting machine roll table with prevent that pellet leaks device, includes a roll table (2) that sets up in shot-blasting machine main part (1) level, shot-blasting machine main part (1) both sides wall outside all is provided with apron (3), the both ends spindle nose of roll table (2) pass respectively the both sides wall and the apron (3) of shot-blasting machine main part (1) stretch out, the axis of roll table (2) along its length direction with the axis coincidence of shot-blasting machine main part (1);
the outer sides of the cover plates (3) at the two ends are respectively provided with a bracket (4), the shaft heads at the two ends of the roller way (2) penetrate through the back plates of the brackets (4), a stand (5) extends out of the back plates of the brackets (4) along the length direction of the roller way, and the cover plates (3) at the two ends and the brackets (4) at the two sides are completely identical and symmetrically arranged;
the two ends of the roller way (2) are respectively sleeved with a bearing (6), the bearing (6) is sleeved with a bearing seat, the bearing seat is fixed on a stand (5) on the same side of the bearing seat, the bearings (6) on two sides are completely identical to the bearing seat and are symmetrically arranged, a chain wheel (7) is arranged on one end of the roller way, and the central axis of the chain wheel (7) coincides with the central axis of the roller way along the length direction;
the method is characterized in that: the anti-leakage device is characterized in that an anti-leakage cover (8) is arranged on the inner side wall of the shot blasting machine body, the anti-leakage cover (8) is sleeved on a roller way (2), an annular cavity (9) is formed in the anti-leakage cover (8), a discharge hole (10) is formed in the lower portion of the anti-leakage cover (8), a plurality of air blast blades (11) are arranged at corresponding positions of the annular cavity (9) on the roller way (2), the air blast blades (11) are arranged along the circumference of the cross section of the roller way (2) and are hidden in the annular cavity (9), an annular baffle (12) is outwards extended from one side of the anti-leakage cover (8), a conical table (13) is arranged at the position corresponding to the annular baffle (12), and the outer diameter of the conical table (13) is gradually increased towards the direction of the anti-leakage cover (8);
a pair of long blades (14) are symmetrically arranged at corresponding positions of the annular cavity (9) on the roller way (2), and the long blades (14) are hidden in the leak-proof cover (8) and have a unilateral gap of 5-8mm with the leak-proof cover (8); the section angle of the cone frustum (13) is 130-150 degrees, and the single-side gap between the cone frustum and the leak-proof cover (8) is 3-5mm at minimum; the novel roller table is characterized in that a first annular groove (15) is formed in the outer side of the cover plate (3), a second annular groove (16) is formed in one side, close to the cover plate (3), of the support (4), the first annular groove (15) and the second annular groove (16) are combined to form a U-shaped annular groove (17), an annular partition plate (18) is arranged at a position, corresponding to the U-shaped annular groove (17), on the roller table (2), and the annular partition plate (18) is located in the U-shaped annular groove (17);
the outer surface of the roller way is provided with a wear-resistant metal coating, and the wear-resistant metal coating comprises the following components in parts by mass: ni:8.2-8.5%, ti:10.2-10.5%, si:0.03-0.05%, al:0.23-0.25%, C:0.01-0.03%, mn:2.15-2.17%, na:0.07-0.09%, co:0.22-0.28%, P:0.001-0.003%, cu:0.53-0.55%, zn:0.25-0.27%, V:0.22-0.28%, rare earth: 1.25-1.28%, and the balance of Fe and unavoidable impurities;
the rare earth comprises the following components in percentage by weight: la:12-15%, dy:2.3-2.5%, pm:0.25-0.28%, eu:1.2-1.5%, nd:5.2-5.5%; the balance of Ce and unavoidable impurities;
the preparation method of the wear-resistant metal coating comprises the following steps:
step (1): delivering Ni, ti, si, al, C, mn, na, fe into a forging furnace for forging, wherein the forging temperature is 1200-1400 ℃, preserving heat for 30-50min, adding Co, P, cu, zn, V elements, increasing the forging temperature to 1600-1800 ℃, preserving heat for 30-60min, reducing the temperature to 980-990 ℃, adding rare earth, preserving heat for 1-3 h, uniformly stirring, introducing nitrogen as protective gas in the stirring process, and cooling by adopting air cooling: cooling to room temperature at an air cooling speed of 10-15 ℃/s;
step (2): cutting the forged blank into a plurality of small blocks, putting the small blocks into a ball mill for crushing, sieving the small blocks with a 200-mesh sieve to obtain metal powder, uniformly spraying the metal powder on the surface of a roller way, heating the surface of the roller way to 500-560 ℃ with the thickness of 0.5-0.8mm, preserving heat for 15-30min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 20-25 ℃/s;
step (3): then heating the surface of the roller way to 600-620 ℃, preserving heat for 15-30min, spraying metal powder again on the surface of the roller way, wherein the thickness is 0.7-0.9mm, preserving heat for 20-25min, and then adopting water cooling: cooling to room temperature at a water cooling rate of 20-25 ℃/s;
step (4): heating the roller way obtained in the step (3) to 750-790 ℃, preserving heat for 5-8 hours, then air-cooling to room temperature, then heating to 550-600 ℃, preserving heat for 30-50 minutes, and then air-cooling to room temperature again;
step (5): and (3) adopting 100% magnetic powder inspection to inspect the roller table obtained in the step (4), and obtaining a finished product after the inspection is qualified.
2. The shot blasting machine roller table with the shot leakage prevention device according to claim 1, wherein: the wear-resistant metal coating comprises the following components in parts by mass: ni:8.2%, ti:10.2%, si:0.03%, al:0.23%, C:0.01%, mn:2.15%, na:0.07%, co:0.22%, P:0.001%, cu:0.53%, zn:0.25%, V:0.22%, rare earth: 1.25% of Fe and the balance of unavoidable impurities;
the rare earth comprises the following components in percentage by weight: la:12%, dy:2.3%, pm:0.25%, eu:1.2%, nd:5.2%; the balance of Ce and unavoidable impurities.
3. The shot blasting machine roller table with the shot leakage prevention device according to claim 1, wherein: the wear-resistant metal coating comprises the following components in parts by mass: ni:8.5%, ti:10.5%, si:0.05%, al:0.25%, C:0.03%, mn:2.17%, na:0.09%, co:0.28%, P:0.003%, cu:0.55%, zn:0.27%, V:0.28%, rare earth: 1.28% of Fe and the balance of unavoidable impurities;
the rare earth comprises the following components in percentage by weight: la:15%, dy:2.5%, pm:0.28%, eu:1.5%, nd:5.5%; the balance of Ce and unavoidable impurities.
4. The shot blasting machine roller table with the shot leakage prevention device according to claim 1, wherein: the wear-resistant metal coating comprises the following components in parts by mass: ni:8.3%, ti:10.4%, si:0.04%, al:0.24%, C:0.02%, mn:2.16%, na:0.08%, co:0.25%, P:0.002%, cu:0.54%, zn:0.26%, V:0.26%, rare earth: 1.27% of Fe and the balance of unavoidable impurities;
the rare earth comprises the following components in percentage by weight: la:13%, dy:2.4%, pm:0.27%, eu:1.4%, nd:5.3%; the balance of Ce and unavoidable impurities.
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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785571A1 (en) * 1998-11-05 2000-05-12 Traitement Ind Des Metaux Method for stripping paint from wooden involves heating article and submerging it in solvent bath
CN203266438U (en) * 2013-05-03 2013-11-06 潍坊宏盛铸造机械有限公司 Shot blasting cleaning machine for inner wall of steel pipe
CN103952710A (en) * 2014-04-08 2014-07-30 大丰市飞腾铸造机械有限公司 Treatment process and installation method of pill granule wear-resistant bearings of roller way
CN203779342U (en) * 2014-04-08 2014-08-20 大丰市飞腾铸造机械有限公司 Roller way with shot abrasion preventing bearing structure
CN204312551U (en) * 2014-11-21 2015-05-06 盐城市丰特铸造机械有限公司 A kind of mazy type roller shaft bearing sealing device
JP2015137420A (en) * 2014-01-24 2015-07-30 新日鐵住金株式会社 Austenite stainless steel tube
CN104831208A (en) * 2015-04-21 2015-08-12 苏州统明机械有限公司 High wear-resisting iron-base thermal spraying coating material and preparation method thereof
CN205117803U (en) * 2015-11-20 2016-03-30 湖北双剑鼓风机股份有限公司 Monopole coal gas centrifugal blower prevents leaking wheel hub
CN105674749A (en) * 2016-04-22 2016-06-15 天津正元合科技开发有限公司 Discharging device in material cylinder
CN106381454A (en) * 2016-08-31 2017-02-08 南京惠德机械有限公司 Piston rod of closed mold height measuring device and heat treatment technology of piston rod
CN106591823A (en) * 2016-12-21 2017-04-26 苏州劲元油压机械有限公司 Treatment process for high-temperature-resistant anti-wear oil pressure nozzle
CN106756497A (en) * 2016-12-21 2017-05-31 苏州劲元油压机械有限公司 A kind of handling process of corrosion-resistant low temperature resistant oil cleaner screen
CN207448243U (en) * 2017-09-26 2018-06-05 江苏飞腾铸造机械有限公司 Shot-blasting machine roller-way with leakage device outside anti-pellet

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785571A1 (en) * 1998-11-05 2000-05-12 Traitement Ind Des Metaux Method for stripping paint from wooden involves heating article and submerging it in solvent bath
CN203266438U (en) * 2013-05-03 2013-11-06 潍坊宏盛铸造机械有限公司 Shot blasting cleaning machine for inner wall of steel pipe
JP2015137420A (en) * 2014-01-24 2015-07-30 新日鐵住金株式会社 Austenite stainless steel tube
CN103952710A (en) * 2014-04-08 2014-07-30 大丰市飞腾铸造机械有限公司 Treatment process and installation method of pill granule wear-resistant bearings of roller way
CN203779342U (en) * 2014-04-08 2014-08-20 大丰市飞腾铸造机械有限公司 Roller way with shot abrasion preventing bearing structure
CN204312551U (en) * 2014-11-21 2015-05-06 盐城市丰特铸造机械有限公司 A kind of mazy type roller shaft bearing sealing device
CN104831208A (en) * 2015-04-21 2015-08-12 苏州统明机械有限公司 High wear-resisting iron-base thermal spraying coating material and preparation method thereof
CN205117803U (en) * 2015-11-20 2016-03-30 湖北双剑鼓风机股份有限公司 Monopole coal gas centrifugal blower prevents leaking wheel hub
CN105674749A (en) * 2016-04-22 2016-06-15 天津正元合科技开发有限公司 Discharging device in material cylinder
CN106381454A (en) * 2016-08-31 2017-02-08 南京惠德机械有限公司 Piston rod of closed mold height measuring device and heat treatment technology of piston rod
CN106591823A (en) * 2016-12-21 2017-04-26 苏州劲元油压机械有限公司 Treatment process for high-temperature-resistant anti-wear oil pressure nozzle
CN106756497A (en) * 2016-12-21 2017-05-31 苏州劲元油压机械有限公司 A kind of handling process of corrosion-resistant low temperature resistant oil cleaner screen
CN207448243U (en) * 2017-09-26 2018-06-05 江苏飞腾铸造机械有限公司 Shot-blasting machine roller-way with leakage device outside anti-pellet

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