CN115341073A - Heat treatment process based on powder high-speed steel - Google Patents
Heat treatment process based on powder high-speed steel Download PDFInfo
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- CN115341073A CN115341073A CN202210913843.5A CN202210913843A CN115341073A CN 115341073 A CN115341073 A CN 115341073A CN 202210913843 A CN202210913843 A CN 202210913843A CN 115341073 A CN115341073 A CN 115341073A
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- 229910000997 High-speed steel Inorganic materials 0.000 title claims abstract description 138
- 239000000843 powder Substances 0.000 title claims abstract description 137
- 238000010438 heat treatment Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000000171 quenching effect Effects 0.000 claims abstract description 95
- 238000010791 quenching Methods 0.000 claims abstract description 93
- 238000005496 tempering Methods 0.000 claims abstract description 55
- 238000012545 processing Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 66
- 239000007788 liquid Substances 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/08—Surface hardening with flames
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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- 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
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
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- 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
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
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- 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
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
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- 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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a heat treatment process based on powder high-speed steel, and particularly relates to the technical field of heat treatment of powder high-speed steel, wherein S1, powder high-speed steel is sequentially conveyed into a quenching chamber by using a feeding assembly; s2, starting a quenching assembly to heat the powder high-speed steel; s3, quenching the powder high-speed steel by using a quenching box; s4, conveying the powder high-speed steel into a tempering chamber, and simultaneously quenching the subsequent powder high-speed steel; and S5, performing three-time tempering on the powder high-speed steel and then discharging. According to the invention, four powder high-speed steels to be processed are placed between the four circular plates on the left side and the right side, then the chain and the motor are used for driving the chain wheel and the chain to rotate, the chain drives a plurality of long plates filled with the powder high-speed steels to move into the quenching chamber and the tempering chamber in sequence, after one powder high-speed steel is processed, the chain is used for driving the powder high-speed steels to move, and the subsequent powder high-speed steels are sequentially subjected to heating, quenching and tempering treatment, so that the continuous processing of the powder high-speed steels is realized, and the processing efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of powder high-speed steel heat treatment, in particular to a heat treatment process based on powder high-speed steel.
Background
The powder metallurgy high-speed steel is a new steel type with the performance between that of hard alloy and common high-speed steel, so that the material for a cutter in the mechanical manufacturing industry has a new breakthrough, the powder metallurgy high-speed steel is gradually recognized and accepted as a new steel type with excellent performance, and plays an increasingly large role in the mechanical processing industry, the powder part is formed by pressing metal powder at high temperature and high pressure and then is subjected to heat treatment of hardness and toughness by a treatment process such as high-frequency quenching and the like, the powder part has the advantages of high strength, high hardness, high wear resistance and the like, and the powder part gradually replaces the metal part of the traditional process in the fields such as the automobile industry at present and becomes the development trend of metal parts in the future.
The powder high-speed steel is required to be subjected to heat treatment in the production process of the high-speed steel roll, when the powder high-speed steel is subjected to heat treatment, the powder high-speed steel needs to be heated firstly, and then the heated powder high-speed steel is subjected to quenching and tempering treatment.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a heat treatment process based on powder high speed steel to solve the above-mentioned problems occurring in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a heat treatment process based on powder high-speed steel comprises the following steps:
s1, firstly, putting powder high-speed steel to be processed on a plurality of feeding assemblies, and then sequentially conveying the powder high-speed steel to the inside of a quenching chamber in a box body by using the feeding assemblies;
s2, starting the quenching assembly to heat the powder high-speed steel, simultaneously starting the driving assembly to drive the rack to drive the four gears to rotate, and driving the circular plate and the powder high-speed steel to rotate by utilizing the gears to uniformly heat the powder high-speed steel;
s3, driving a baffle on the connecting plate to move out of the outlet by using a third hydraulic cylinder, conveying the heated powder high-speed steel into a quenching box by using a feeding assembly, moving the next powder high-speed steel to be processed to the upper part of a heating assembly for heating treatment, pumping quenching liquid in a water tank by using a water pump, conveying the quenching liquid into a plurality of spray heads, uniformly spraying the quenching liquid onto the powder high-speed steel by using the spray heads, and carrying out quenching treatment on the powder high-speed steel;
s4, the third hydraulic cylinder is started again to drive the baffle on the connecting plate to move out of the outlet, the quenched powder high-speed steel is conveyed into the tempering chamber by using the feeding assembly, meanwhile, the next powder high-speed steel is quenched, and the subsequent powder high-speed steel is heated for continuous processing of the powder high-speed steel;
s5, heating the powder high-speed steel in the tempering chamber by using an electric heating plate, when the powder high-speed steel is heated to a specified temperature, conveying gas by using a blower, cooling the powder high-speed steel, tempering repeatedly for three times, and finally opening a baffle plate to remove the heat-treated powder high-speed steel from the interior of the tempering chamber.
The invention also comprises a heat treatment device used in the heat treatment process based on the powder high-speed steel, the heat treatment device comprises a box body, a feeding assembly, a heating assembly, a quenching assembly and a tempering assembly, a partition plate is fixedly arranged in the box body, a tempering chamber is arranged on the left side of the partition plate, the quenching chamber is arranged on the right side of the partition plate, the heating assembly and the quenching assembly are arranged in the quenching chamber, the tempering assembly is arranged in the tempering chamber, the feeding assembly is arranged at the top end of the box body, the feeding assembly comprises two chain wheels, the two chain wheels are fixed on two sides of the top end of the box body through mounting seats, the two chain wheels are connected through chains, a through groove is formed in the top end of the box body, the chains penetrate through the through groove and extend into the box body, a plurality of long plates are arranged at the bottom ends of the chain wheels, four circular plates which are sequentially distributed in the front and back are movably arranged on two sides of the bottom end of each long plate, connecting shafts on the outer walls of the four connecting shafts on the left sides of the long plates are sleeved with gears, the gears are meshed with the gears, racks are meshed with the top ends of the gears, and driving assemblies are arranged on the top ends of the racks.
In a preferred embodiment, a motor is fixedly arranged at the top end of a supporting seat on the left side of a box body, the bottom end of an output shaft of the motor is fixedly connected with the top end of a chain wheel, the motor is used for driving, manual operation is not needed, continuous conveying of powder high-speed steel is achieved, a mounting plate is fixedly arranged on one side of the bottom end of a long plate and is connected with four left connecting shafts, a pneumatic clamp is fixedly arranged on the other side of the bottom end of the long plate and is connected with the four right connecting shafts, the pneumatic clamp is used for driving the right circular plate to be matched with the left circular plate to fix the powder high-speed steel, a driving assembly comprises a first hydraulic cylinder, the front end and the rear end of the first hydraulic cylinder are respectively fixedly connected with the top end of a rack and the bottom end of the long plate through supports, the first hydraulic cylinder is used for driving the rack to move back and forth, and four gears to rotate when the rack moves, and the powder high-speed steel rotates.
In a preferred embodiment, the top end of the rack is fixedly provided with two sliding blocks which are distributed front and back, the bottom end of the long plate is provided with two sliding grooves which are distributed front and back, the sliding blocks are arranged inside the sliding grooves and are in sliding connection with the sliding grooves, the sliding blocks and the sliding grooves are both processed into T shapes, the stability of the rack in moving is improved, and the top end of each long plate is fixedly connected with the bottom end of the chain through a second hydraulic cylinder.
In a preferred embodiment, the heating assembly comprises a flame burner fixed inside the quenching chamber, said flame burner being provided below the elongated plate for heating the powdered high-speed steel.
In a preferred embodiment, the quenching assembly comprises a quenching box, the quenching box is fixed inside a quenching chamber, a plurality of spray heads are fixedly arranged on the inner side surface of the quenching box, a water tank and a water pump are fixedly arranged at the rear end of the box body, quenching liquid is stored in the water tank, a filter plate is fixedly arranged inside the water tank, the quenching liquid is filtered by the filter plate, the water pump is communicated with the spray heads through a plurality of connecting pipes, one end of a water inlet pipe of the water pump is communicated with the inside of the water tank, and the quenching liquid is uniformly sprayed onto the powder high-speed steel by the spray heads, so that the quenching effect is improved.
In a preferred embodiment, a water collecting tank is arranged in the box body, the water collecting tank is communicated with the bottom end of the quenching tank, the front end of the water tank is communicated with a suction pump, one end of a suction pipe of the suction pump penetrates through the box body and is communicated with the inside of the water collecting tank, and the water tank is used for filtering and reusing the water tank, so that the waste of quenching liquid is reduced.
In a preferred embodiment, outlets are formed in two sides of the front end of the box body and in the center of the front end of the box body, baffles are arranged inside the three outlets, connecting plates are fixedly arranged at the front ends of the three baffles, third hydraulic cylinders are fixedly arranged on two sides of the rear end of each connecting plate, the third hydraulic cylinders are fixedly connected with the outer wall of the box body, and the third hydraulic cylinders are used for driving the connecting plates and the baffles to move so as to realize automatic opening and closing of the outlets.
In a preferred embodiment, the tempering chamber is internally and fixedly provided with an electric heating plate, the rear end of the box body is fixedly provided with an air blower, one end of an air outlet pipe of the air blower penetrates through the box body and is communicated with the interior of the tempering chamber, the cooling effect on the powder high-speed steel is improved, the tempering chamber and the inner wall of the quenching chamber are fixedly provided with temperature sensors, the front end of the box body is fixedly provided with a single chip microcomputer, the single chip microcomputer is connected with the output end of the temperature sensors, and the single chip microcomputer is connected with the input ends of the electric heating plate, the air blower, a water pump, a suction pump, a flame burner, a motor, a third hydraulic cylinder, a second hydraulic cylinder, a pneumatic clamp and a first hydraulic cylinder, so that the automatic operation of the whole device is realized.
The invention has the technical effects and advantages that:
1. according to the invention, four powder high-speed steels to be processed are placed between the four circular plates on the left side and the right side, then the chain is used for driving the chain wheel and the chain to rotate, the chain drives the plurality of long plates filled with the powder high-speed steels to move into the quenching chamber and the tempering chamber in sequence, after one powder high-speed steel is processed, the chain is used for driving the powder high-speed steel to move, and the subsequent powder high-speed steels are sequentially subjected to heating, quenching and tempering, so that the continuous processing of the powder high-speed steels is realized, and the processing efficiency is greatly improved.
2. The flame burner is used for heating the powder high-speed steel, the first hydraulic cylinder is used for driving the rack to slide back and forth, the rack drives the four gears to rotate when sliding, the four gears drive the connected circular plate to rotate, the powder high-speed steel rotates and heats at the same time, the heating effect of the powder high-speed steel is improved, and subsequent processing is facilitated.
3. The inside quenching liquid of water tank is pumped through the water pump, so that the quenching liquid is sprayed out from a plurality of spray heads inside the quenching box, the heated powder high-speed steel is quenched, the waste liquid flows into the water collecting tank and is conveyed into the water tank through the suction pump, and the waste liquid is pumped by the water pump after being filtered by the filter plate inside the water tank, so that the quenching liquid is recycled, and the resource waste is reduced.
4. The high-speed steel of powder heats earlier through the electric plate, utilize temperature sensor real-time supervision temperature, when the inside temperature of tempering room reachd appointed numerical value, the operation of single chip microcomputer control air-blower, cool off the high-speed steel of powder of tempering room inside, then it is rotatory to restart the chain, make the high-speed steel of powder continue to transport toward the box is inside, the above-mentioned operation of repetition again simultaneously, carry out cubic tempering to the high-speed steel of powder, treat that tempering is accomplished the back, it utilizes the chain to remove from the tempering room inside can to open the baffle, subsequent processing lasts according to above-mentioned operation, high work efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the case of the present invention;
FIG. 3 is a bottom view of the structure of FIG. 2 of the present invention;
FIG. 4 is a schematic view of the construction of a circular plate and gear of the present invention;
FIG. 5 is a bottom view of the structure of FIG. 4 in accordance with the present invention;
FIG. 6 is a rear elevational view of the overall construction of the present invention;
fig. 7 is a cross-sectional view of the water tank of the present invention.
The reference signs are: 1. a box body; 2. a partition plate; 3. a tempering chamber; 4. a quenching chamber; 5. a sprocket; 6. a chain; 7. a through groove; 8. a long plate; 9. a circular plate; 10. a connecting shaft; 11. a gear; 12. a rack; 13. a motor; 14. mounting a plate; 15. a pneumatic clamp; 16. a first hydraulic cylinder; 17. a slider; 18. a chute; 19. a second hydraulic cylinder; 20. a flame burner; 21. a quenching box; 22. a spray head; 23. a water tank; 24. a water pump; 25. a filter plate; 26. a water collection tank; 27. a suction pump; 28. an outlet; 29. a baffle plate; 30. a connecting plate; 31. a third hydraulic cylinder; 32. an electric hot plate; 33. a blower; 34. a temperature sensor; 35. and a single chip microcomputer.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-7 in the specification, the invention provides a heat treatment process based on powder high-speed steel, which comprises the following steps:
s1, firstly, putting powder high-speed steel to be processed on a plurality of feeding assemblies, and then sequentially conveying the powder high-speed steel to the inside of a quenching chamber 4 in a box body 1 by using the feeding assemblies;
s2, starting the quenching assembly to heat the powder high-speed steel, simultaneously starting the driving assembly to drive the rod rack 12 to drive the four gears 11 to rotate, and driving the circular plate 9 and the powder high-speed steel to rotate by using the gears 11 to uniformly heat the powder high-speed steel;
s3, driving the baffle 29 on the connecting plate 30 to move out of the outlet 28 by using a third hydraulic cylinder 31, conveying the heated powder high-speed steel into the quenching box 21 by using a feeding assembly, moving the next powder high-speed steel to be processed to the position above the heating assembly for heating treatment, simultaneously pumping the quenching liquid in the water tank 23 by using a water pump 24 and conveying the quenching liquid into a plurality of spray heads 22, and uniformly spraying the quenching liquid onto the powder high-speed steel by using the spray heads 22 to perform quenching treatment on the powder high-speed steel;
s4, the third hydraulic cylinder 31 is started again to drive the baffle 29 on the connecting plate 30 to move out of the outlet 28, the quenched powder high-speed steel is conveyed into the tempering chamber 3 by using the feeding assembly, meanwhile, the next powder high-speed steel is quenched, and the subsequent powder high-speed steel is heated for continuous processing of the powder high-speed steel;
s5, firstly heating the powder high-speed steel in the tempering chamber 3 by using the electric heating plate 32, when the powder high-speed steel is heated to a specified temperature, then using the air blower 33 to convey air, cooling the powder high-speed steel, repeatedly tempering for three times, finally opening the baffle 29, and moving the heat-treated powder high-speed steel out of the tempering chamber 3.
The invention provides a heat treatment process based on powder high-speed steel, which comprises a heat treatment device used in the heat treatment process based on the powder high-speed steel, wherein the heat treatment device comprises a box body 1, a feeding assembly, a heating assembly, a quenching assembly and a tempering assembly, a partition plate 2 is fixedly arranged in the box body 1, a tempering chamber 3 is arranged on the left side of the partition plate 2, a quenching chamber 4 is arranged on the right side of the partition plate 2, the heating assembly and the quenching assembly are arranged in the quenching chamber 4, the tempering assembly is arranged in the tempering chamber 3, and the feeding assembly is arranged at the top end of the box body 1;
the feeding assembly comprises two chain wheels 5, the two chain wheels 5 are fixed on two sides of the top end of the box body 1 through mounting seats, the two chain wheels 5 are connected through a chain 6, a through groove 7 is formed in the top end of the box body 1, the chain 6 penetrates through the through groove 7 and extends into the box body 1, a motor 13 is fixedly arranged at the top end of a supporting seat on the left side of the box body 1, the bottom end of an output shaft of the motor 13 is fixedly connected with the top end of each chain wheel 5, the motor 13 is used for driving, manual operation is not needed, and continuous conveying of powder high-speed steel is achieved;
the bottom end of the chain wheel 5 is provided with a plurality of long plates 8, two sides of the bottom end of each long plate 8 are movably provided with four circular plates 9 which are sequentially distributed from front to back, a connecting shaft 10 penetrates through the inside of each circular plate 9, the outer walls of the four connecting shafts 10 on the left side of each long plate 8 are sleeved with gears 11, the four gears 11 are meshed with each other, a rack 12 is meshed at the top end of each gear 11, an installation plate 14 is fixedly arranged on one side of the bottom end of each long plate 8, the installation plate 14 is connected with the four connecting shafts 10 on the left side, a pneumatic clamp 15 is fixedly arranged on the other side of the bottom end of each long plate 8, the pneumatic clamp 15 is connected with the four connecting shafts 10 on the right side, and the circular plate 9 on the right side is driven by the pneumatic clamp 15 to be matched with the circular plate 9 on the left side to fix the powder high-speed steel;
the top end of the rack 12 is provided with a driving assembly, the driving assembly comprises a first hydraulic cylinder 16, the front end and the rear end of the first hydraulic cylinder 16 are respectively and fixedly connected with the top end of the rack 12 and the bottom end of the long plate 8 through a support, the first hydraulic cylinder 16 is utilized to drive the rack 12 to move back and forth, the rack 12 can drive the four gears 11 to rotate when moving, so that the powder high-speed steel rotates, the top end of the rack 12 is fixedly provided with two sliding blocks 17 which are distributed back and forth, the bottom end of the long plate 8 is provided with two sliding grooves 18 which are distributed back and forth, the sliding blocks 17 are arranged in the sliding grooves 18 and are in sliding connection with the sliding grooves 18, the sliding blocks 17 and the sliding grooves 18 are both processed into a T shape, so that the stability of the rack 12 when moving is improved, the top end of each long plate 8 is fixedly connected with the bottom end of the chain 6 through a second hydraulic cylinder 19, so that the height of the long plate 8 can be conveniently adjusted, the heating assembly comprises a flame burner 20, the flame burner 20 is fixed in the quenching chamber 4, and the flame burner 20 is arranged below the long plate 8 and used for heating the powder high-speed steel;
When the powder high-speed steel quenching device is used, a worker firstly places four powder high-speed steels to be processed between the four circular plates 9 on the left side and the right side, then uses the single chip microcomputer 35 to control the pneumatic clamp 15 to drive the clamping plate to move, the clamping plate and the circular plates 9 are used for fixing the powder high-speed steels, then uses the third hydraulic cylinder 31 to drive the connecting plate 30 to drive the baffle plate 29 to move out from the outlet 28 on the right side of the box body 1, the starting motor 13 drives the chain wheel 5 and the chain 6 to rotate, the chain 6 drives the long plate 8 filled with the powder high-speed steels to move into the quenching chamber 4, then closes the baffle plate 29, uses the flame burner 20 to heat the powder high-speed steels, simultaneously uses the first hydraulic cylinder 16 to drive the rack 12 to slide back and forth, drives the four gears 11 to rotate when the rack 12 slides, enables the powder high-speed steels to rotate and heat at the same time, and improves the uniformity degree of heating.
Referring to the attached drawings 1, 2, 3, 6 and 7 of the specification, the quenching assembly comprises a quenching box 21, the quenching box 21 is fixed inside a quenching chamber 4, a plurality of spray nozzles 22 are fixed on the inner side surface of the quenching box 21, a water tank 23 and a water pump 24 are fixed at the rear end of the box body 1, quenching liquid is stored in the water tank 23, a filter plate 25 is fixed inside the water tank 23, the quenching liquid is filtered by the filter plate 25, the water pump 24 is communicated with the spray nozzles 22 through a plurality of connecting pipes, one end of a water inlet pipe of the water pump 24 is communicated with the inside of the water tank 23, and the quenching liquid is uniformly sprayed on the powder high-speed steel by the spray nozzles 22, so that the quenching effect on the powder high-speed steel is improved;
the inside water catch bowl 26 of having seted up of box 1, water catch bowl 26 is linked together with quenching case 21 bottom, the front end intercommunication of water tank 23 has suction pump 27, suction tube one end of suction pump 27 runs through box 1 and is linked together with water catch bowl 26 is inside, utilizes suction pump 27 to carry the waste liquid inside water tank 23, and reuse after water tank 23 filters reduces the waste of quenching liquid, singlechip 35 is connected with water pump 24, suction pump 27, the input.
After the powder high-speed steel is heated, the motor 13 is used for driving the chain 6 to rotate, the powder high-speed steel is conveyed into the quenching box 21, then the water pump 24 is used for sucking quenching liquid in the water tank 23, the quenching liquid is sprayed out from the plurality of spray heads 22 in the quenching box 21, the heated powder high-speed steel is quenched, waste liquid flows into the water collecting tank 26, then the waste liquid is conveyed into the water tank 23 through the suction pump 27, and is sucked and used by the water pump 24 after being filtered by the filter plate 25 in the water tank 23, so that the quenching liquid is recycled, and the waste of resources is reduced.
Referring to the attached drawings 1, 2, 3 and 6 in the specification, an electric heating plate 32 is fixedly arranged inside the tempering chamber 3, an air blower 33 is fixedly arranged at the rear end of the box body 1, one end of an air outlet pipe of the air blower 33 penetrates through the box body 1 and is communicated with the inside of the tempering chamber 3, the cooling effect on the powder high-speed steel is improved, temperature sensors 34 are fixedly arranged on the inner walls of the tempering chamber 3 and the quenching chamber 4, a single chip microcomputer 35 is fixedly arranged at the front end of the box body 1, the single chip microcomputer 35 is connected with the output end of the temperature sensors 34, and the single chip microcomputer 35 is connected with the input ends of the electric heating plate 32, the air blower 33, the water pump 24, the suction pump 27, the flame burner 20, the motor 13, the third hydraulic cylinder 31, the second hydraulic cylinder 19, the pneumatic clamp 15 and the first hydraulic cylinder 16, so that the automatic operation of the whole device is realized.
After quenching is finished, the baffle 29 is opened firstly, the quenched powder high-speed steel is moved into the tempering chamber 3, meanwhile, the chain 6 drives the subsequent powder high-speed steel to be sequentially heated and quenched, continuous processing of the powder high-speed steel is achieved, processing efficiency is greatly improved, the electric heating plate 32 inside the tempering chamber 3 is started to heat the powder high-speed steel, the temperature sensors 34 are used for monitoring the temperatures inside the tempering chamber 3 and the quenching chamber 4 in real time, when the temperature inside the tempering chamber 3 reaches a specified value, the single chip microcomputer 35 controls the blower 33 to operate, the powder high-speed steel inside the tempering chamber 3 is cooled, then the chain 6 is started to rotate, the powder high-speed steel is continuously conveyed into the box body 1, meanwhile, the powder high-speed steel inside the tempering chamber 3 is heated and cooled, the operations are repeated, three times of tempering processing are carried out on the powder high-speed steel, after the tempering processing is finished, the baffle 29 is opened, the processed powder high-speed steel is moved out of the tempering chamber 3 through the chain 6, the subsequent processing is continuously carried out according to the operations, and the working efficiency is high.
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A heat treatment process based on powder high-speed steel comprises the following steps:
s1, firstly, putting powder high-speed steel to be processed on a plurality of feeding assemblies, and then sequentially conveying the powder high-speed steel to the inside of a quenching chamber (4) in a box body (1) by using the feeding assemblies;
s2, starting a quenching assembly to heat the powder high-speed steel, simultaneously starting a driving assembly to drive a rack (12) to drive four gears (11) to rotate, and driving a circular plate (9) and the powder high-speed steel to rotate by using the gears (11) so as to uniformly heat the powder high-speed steel;
s3, driving a baffle plate (29) on a connecting plate (30) to move out of an outlet (28) by using a third hydraulic cylinder (31), conveying the heated powder high-speed steel into a quenching box (21) by using a feeding assembly, moving the next powder high-speed steel to be processed to the position above the heating assembly for heating treatment, simultaneously pumping quenching liquid in a water tank (23) by using a water pump (24) and conveying the quenching liquid into a plurality of spray heads (22), and uniformly spraying the quenching liquid onto the powder high-speed steel by using the spray heads (22) to carry out quenching treatment on the powder high-speed steel;
s4, a third hydraulic cylinder (31) is started again to drive a baffle (29) on a connecting plate (30) to move out of the outlet (28), the quenched powder high-speed steel is conveyed into the tempering chamber (3) by using a feeding assembly, meanwhile, the next powder high-speed steel is quenched, and the subsequent powder high-speed steel is heated for continuous processing of the powder high-speed steel;
s5, heating the powder high-speed steel in the tempering chamber (3) by using an electric heating plate (32), when the powder high-speed steel is heated to a specified temperature, conveying gas by using an air blower (33), cooling the powder high-speed steel, repeatedly tempering for three times, and finally opening a baffle (29) and moving the heat-treated powder high-speed steel out of the tempering chamber (3).
2. The heat treatment process for powder-based high-speed steel according to claim 1, wherein: the device comprises a heat treatment device used in a heat treatment process based on powder high-speed steel, and the heat treatment device comprises a box body (1), a feeding assembly, a heating assembly, a quenching assembly and a tempering assembly, wherein a partition plate (2) is fixedly arranged in the box body (1), the left side of the partition plate (2) is provided with the tempering chamber (3), the right side of the partition plate (2) is provided with the quenching chamber (4), the heating assembly and the quenching assembly are arranged in the quenching chamber (4), the tempering assembly is arranged in the tempering chamber (3), and the feeding assembly is arranged at the top end of the box body (1);
the feeding assembly comprises two chain wheels (5), the two chain wheels (5) are fixed on two sides of the top end of the box body (1) through mounting seats, the two chain wheels (5) are connected through a chain (6), a through groove (7) is formed in the top end of the box body (1), and the chain (6) penetrates through the through groove (7) and extends into the box body (1);
sprocket (5) bottom is equipped with a plurality of long boards (8), and every long board (8) bottom both sides all move about and are equipped with the plectane (9) that distribute in proper order around four, and every plectane (9) is inside all to run through and is equipped with connecting axle (10), and it all overlaps and is equipped with gear (11) to be located four left connecting axle (10) outer walls of long board (8), meshes mutually between four gear (11), gear (11) top meshing has rack (12), rack (12) top is equipped with drive assembly.
3. The heat treatment process for powder-based high-speed steel according to claim 2, wherein: lie in fixed motor (13) that is equipped with in left supporting seat top of box (1), motor (13) output shaft bottom and sprocket (5) top fixed connection, long slab (8) bottom one side is fixed and is equipped with mounting panel (14), mounting panel (14) are connected with four left connecting axles (10), long slab (8) bottom opposite side is fixed and is equipped with air jig (15), air jig (15) are connected with four connecting axles (10) on right side, drive assembly includes first pneumatic cylinder (16), both ends all around first pneumatic cylinder (16) respectively with rack (12) top, long slab (8) bottom fixed connection through the support.
4. The heat treatment process for powder-based high speed steel according to claim 3, wherein: the fixed slider (17) that are equipped with two front and back distributions in rack (12) top, two front and back distribution's spout (18) are seted up to long board (8) bottom, slider (17) are established inside spout (18) and with spout (18) sliding connection, slider (17) and spout (18) all process for the T shape, and every long board (8) top all is through second hydraulic cylinder (19) and chain (6) bottom fixed connection.
5. The heat treatment process for powder-based high-speed steel according to claim 4, wherein: the heating assembly comprises a flame burner (20), the flame burner (20) is fixed inside the quenching chamber (4), and the flame burner (20) is arranged below the long plate (8).
6. The heat treatment process for powder-based high-speed steel according to claim 5, wherein: the quenching assembly comprises a quenching box (21), the quenching box (21) is fixed inside a quenching chamber (4), the inner side surface of the quenching box (21) is fixedly provided with a plurality of spray heads (22), the rear end of the box body (1) is fixedly provided with a water tank (23) and a water pump (24), the inside of the water tank (23) is stored with quenching liquid, the inside of the water tank (23) is fixedly provided with a filter plate (25), the water pump (24) is communicated with the spray heads (22) through a plurality of connecting pipes, and one end of a water inlet pipe of the water pump (24) is communicated with the inside of the water tank (23).
7. The heat treatment process for powder-based high-speed steel according to claim 6, wherein: the quenching box is characterized in that a water collecting tank (26) is arranged in the box body (1), the water collecting tank (26) is communicated with the bottom end of the quenching box (21), a suction pump (27) is communicated with the front end of the water tank (23), and one end of a suction pipe of the suction pump (27) penetrates through the box body (1) and is communicated with the inside of the water collecting tank (26).
8. The heat treatment process for powder-based high speed steel according to claim 7, wherein: the box (1) front end both sides and front end center department have all seted up export (28), and three export (28) are inside all to be equipped with baffle (29), and three baffle (29) front end is all fixed and is equipped with connecting plate (30), connecting plate (30) rear end both sides are all fixed and are equipped with third pneumatic cylinder (31), third pneumatic cylinder (31) and box (1) outer wall fixed connection.
9. The heat treatment process for powder-based high speed steel according to claim 8, wherein: tempering room (3) inside fixed electric plate (32) that is equipped with, box (1) rear end is fixed and is equipped with air-blower (33), the play tuber pipe one end of air-blower (33) runs through box (1) and is linked together with tempering room (3) inside, tempering room (3) and quenching room (4) inner wall are all fixed and are equipped with temperature sensor (34), box (1) front end is fixed and is equipped with singlechip (35), singlechip (35) are connected with temperature sensor (34)'s output, singlechip (35) are connected with the input of electric plate (32), air-blower (33), water pump (24), suction pump (27), flame burner (20), motor (13), third pneumatic cylinder (31), second pneumatic cylinder (19), pneumatic fixture (15), first pneumatic cylinder (16).
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