CN110923425A - Water space intermittent quenching equipment and method for quenching treatment of wear-resistant steel balls of mine - Google Patents
Water space intermittent quenching equipment and method for quenching treatment of wear-resistant steel balls of mine Download PDFInfo
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- CN110923425A CN110923425A CN201911186298.9A CN201911186298A CN110923425A CN 110923425 A CN110923425 A CN 110923425A CN 201911186298 A CN201911186298 A CN 201911186298A CN 110923425 A CN110923425 A CN 110923425A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 185
- 238000010791 quenching Methods 0.000 title claims abstract description 162
- 230000000171 quenching effect Effects 0.000 title claims abstract description 159
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 70
- 239000010959 steel Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910000734 martensite Inorganic materials 0.000 abstract description 5
- 238000011161 development Methods 0.000 description 7
- 238000005065 mining Methods 0.000 description 6
- 229910001563 bainite Inorganic materials 0.000 description 4
- 230000008602 contraction Effects 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development 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
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath 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
- 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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- 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
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
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Abstract
The invention discloses water space intermittent quenching equipment and a water space intermittent quenching method for quenching a wear-resistant steel ball of a mine. The water space intermittent quenching equipment comprises an outer water pool, a peripheral water pipe system, a quenching tank body, a quenching frame structure, a gate mechanism, an upper water passage and a lower water passage; the quenching frame structure is arranged right above the quenching tank body and comprises a roller, a lifting frame, a guide post, a top plate, an upper hydraulic cylinder, a lower hydraulic cylinder, a supporting device and a quenching workpiece frame. The water space intermittent quenching equipment can realize the alternate quenching treatment of water and air on the steel ball, can effectively ensure that the cooling speed of the steel ball is greater than the critical cooling speed, obtains more martensite structures, keeps the toughness of the core part of the steel ball, can obviously improve the performances of hardenability, hardness, wear resistance, impact toughness and the like of the steel ball, ensures the continuous construction work, improves the working efficiency and reduces the production cost.
Description
Technical Field
The invention relates to water space intermittent quenching equipment and a water space intermittent quenching method for quenching a wear-resistant steel ball in a mine, and belongs to the field of metal material heat treatment mechanical equipment.
Background
The mining industry is the basic industry of national economy of our country and is the pillar industry which plays an important supporting role in economic development and industrial construction, in recent years, the development of the mining industry in China is more and more concerned by governments and entrepreneurs all over the world, the development of the mining industry is more and more emphasized by the government in China, and the development speed of the mining industry is inseparable from the equipment of modern engineering, so that the introduction of foreign advanced mining industry modernization equipment and the research and development of mining industry equipment are started. The existing quenching equipment has single function, only has quenching function, and is seriously lack of functionality, and based on the problems, the mechanical equipment aiming at the quenching heat treatment process of the wear-resistant steel ball in the mine is urgently needed to be designed so as to improve the comprehensive performance of the wear-resistant steel ball.
Disclosure of Invention
The invention provides water space intermittent quenching equipment and a water space intermittent quenching method for quenching a wear-resistant steel ball in a mine, which can realize the alternate quenching treatment of water and air on the steel ball, can effectively ensure that the cooling speed of the steel ball is greater than the critical cooling speed, obtain more martensite (or lower bainite) structures, keep the toughness of the core of the steel ball, remarkably improve the performances of hardenability, hardness, wear resistance, impact toughness and the like of the steel ball, ensure the continuous operation of construction work, improve the working efficiency and reduce the production cost.
In order to solve the technical problems, the invention comprises the following technical scheme:
a water space intermittent quenching device for quenching treatment of a wear-resistant steel ball in a mine comprises an outer water tank, a peripheral water pipe system, a quenching tank body, a quenching frame structure, a gate mechanism, an upper water passage and a lower water passage;
two ends of the upper water passage and the lower water passage are respectively communicated with the outer water pool and the quenching tank body; the gate mechanism is used for controlling the connection and disconnection of the lower channel;
the peripheral water pipe system comprises a water pipe, a water stop valve and a centrifugal pump, wherein the water stop valve and the centrifugal pump are arranged on the water pipe;
the quenching frame body structure is arranged right above the quenching tank body and comprises a roller, a lifting frame, a guide post, a top plate, an upper hydraulic cylinder, a lower hydraulic cylinder, a supporting device and a quenching workpiece frame;
the guide posts are vertically arranged, and the top plate is horizontally arranged and fixedly connected with the guide posts; the roller is arranged on the side part of the lifting frame and can move up and down along the guide post; one end of the upper hydraulic cylinder is connected with the top plate, the other end of the upper hydraulic cylinder is connected with the top of the lifting frame, and the telescopic structure of the upper hydraulic cylinder can drive the lifting frame to lift; the supporting device is arranged at the bottom of the lifting frame; the middle part of the quenching workpiece frame is placed on the supporting device and is used for placing a steel ball to be quenched; the top of the lower hydraulic cylinder is fixed on the lifting frame, the bottom of the lower hydraulic cylinder is fixed at one side end of the quenching workpiece frame, and the extension of the lower hydraulic cylinder can drive the two ends of the quenching workpiece frame to swing up and down.
Further, the shutter mechanism includes: the hydraulic lifting device comprises a supporting base, an electric hydraulic push rod, a lifting short-link chain, a gate plate supporting structure and a gate plate;
the electric hydraulic push rod is fixedly connected with the quenching tank body through a supporting base;
the gate plate is connected with the electric hydraulic push rod through the hoisting short-link chain; the lower water passage is provided with a gate plate cavity with an opening at the upper end, the supporting structure is positioned in the gate plate cavity, and when the gate plate descends to the middle of the gate plate, the supporting structure props against one side of the gate plate to block the lower water passage.
Furthermore, a wedge-shaped positioning conical block is arranged on the supporting structure, a positioning pulley is correspondingly arranged on the gate plate, and the positioning pulley slides downwards along the positioning conical block, so that a lower water passage is blocked.
Furthermore, the water space intermittent quenching equipment further comprises a limiting structure, wherein the limiting structure is arranged on the guide post or the quenching groove body and is used for limiting the quenching workpiece frame when the steel ball is subjected to heat treatment.
Furthermore, two sets of peripheral water pipe systems are respectively arranged on two sides of the outer water pool and the quenching tank body.
Correspondingly, the invention also provides a water space intermittent quenching method for quenching the wear-resistant steel balls in the mine, which adopts the water space intermittent quenching equipment for quenching and comprises the following steps:
when water-cooling heat treatment is carried out on the wear-resistant steel ball of the mine, controlling the gate mechanism to close the lower water passage, starting the centrifugal pump in the peripheral water pipe system to quickly pump water from the outer water pool into the quenching tank body, and closing the centrifugal pump in the peripheral water pipe system and closing the water stop valve when the water level reaches the bottom of the upper water passage;
step two, controlling the upper hydraulic cylinder to extend, so that the quenching workpiece frame is lowered below the liquid level in the quenching tank body;
step three, controlling the lower hydraulic cylinder to extend and shorten, and driving the quenching workpiece frame to swing up and down around the supporting device, so that steel balls in the quenching workpiece frame are fully quenched;
fourthly, controlling the gate mechanism to open the lower water passage, enabling water in the quenching tank body to rapidly flow into the outer water pool from the lower water passage, and completely exposing the steel balls in the quenching workpiece frame in the air to carry out air cooling heat treatment;
and repeating the first step to the fourth step, and carrying out water-air alternative heat treatment on the steel ball.
The invention provides water space intermittent quenching equipment for quenching wear-resistant steel balls in mines, which injects water into a quenching tank body through a peripheral water pipe system, then extends an upper hydraulic cylinder and immerses the steel balls in a quenching workpiece frame into the water, then drives two ends of the quenching workpiece frame to swing up and down through the extension of a lower hydraulic cylinder, so that the steel balls are fully quenched in the water, then opens a gate mechanism, so that the water flows back to an outer water tank through a lower water passage, the steel balls are exposed in the air, and air cooling heat treatment is fully carried out, thereby realizing the alternate quenching treatment of the steel balls by the water and the air in the quenching workpiece frame. Therefore, the water space intermittent quenching equipment for quenching the wear-resistant steel ball in the mine provided by the embodiment can effectively ensure that the cooling speed of the steel ball is greater than the critical cooling speed, obtain more martensite (or lower bainite) structures, keep the toughness of the core of the steel ball, remarkably improve the performances of the steel ball, such as hardenability, hardness, wear resistance, impact toughness and the like, ensure the continuous construction work, improve the working efficiency, reduce the production cost, accord with the new national new concept of energy-saving, environment-friendly and green development, and have good practical value and huge popularization value.
Drawings
FIG. 1 is a front view of a water space intermittent quenching device for quenching a wear-resistant steel ball for a mine according to the invention;
FIG. 2 is a top view of the water space intermittent quenching equipment for quenching the wear-resistant steel ball for the mine;
FIG. 3 is a left side view of the water space intermittent quenching equipment for quenching the wear-resistant steel ball of the mine;
FIG. 4 is a sectional view of the water space intermittent quenching equipment for quenching the wear-resistant steel ball of the mine;
FIG. 5 is a schematic structural view of the lock mechanism of the present invention.
The numbers in the figures are as follows:
1-an outer water pool; 2-peripheral water pipe systems; 21-a water pipe; 22-a water stop valve; 23-a centrifugal pump; 3-quenching a tank body; 4-quenching the frame structure; 41-a roller; 42-a lifting frame; 43-a guide post; 44-a top plate; 45-upper hydraulic cylinder; 46-lower hydraulic cylinder; 47-a support device; 48-quenching the workpiece frame; 49-a limiting structure; 5-a gate mechanism; 51-a support base; 52-electro-hydraulic push rod; 53-short chain hoist; 54-a shutter plate support structure; 55-a shutter plate; 56-positioning pulley; 57-positioning the conical block; 6-upper water passage; 7-lower water passage.
Detailed Description
The invention provides a water space batch quenching device and a water space batch quenching method for quenching a wear-resistant steel ball for a mine, which are further described in detail by combining the attached drawings and specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
Referring to fig. 1 to 3, the water space intermittent quenching equipment for quenching the wear-resistant steel balls in the mine provided by the invention comprises an outer water pool 1, a peripheral water pipe system 2, a quenching tank body 3, a quenching frame structure 4, a gate mechanism 5, an upper water passage 6 and a lower water passage 7.
The outer water pool 1 and the quenching tank body 3 are arranged side by side at intervals and are communicated through an upper water passage 6 and a lower water passage 7. The gate mechanism 5 is used to control the connection and disconnection of the lower passage 7.
The peripheral water pipe system 2 comprises a water pipe 21, a water stop valve 22 and a centrifugal pump 23, wherein the water stop valve 22 and the centrifugal pump 23 are arranged on the water pipe 21, and two ends of the water pipe 21 are respectively communicated with the outer water pool 1 and the quenching tank body 3; the water stop valve 22 and the centrifugal pump 23 are opened to convey the water in the outer water tank 1 to the quenching tank body 3, the water stop valve and the centrifugal pump are closed to stop conveying the water into the quenching tank body 3, and the water in the quenching tank body 3 is prevented from entering the outer water tank 1.
As shown in fig. 3 and 4, the quenching frame structure 4 is disposed right above the quenching tank 3, and includes a roller 41, a lifting frame 42, a guide post 43, a top plate 44, an upper hydraulic cylinder 45, a lower hydraulic cylinder 46, a support device 47, and a quenching workpiece frame 48. The guide posts are vertically arranged, and the top plate 4 is horizontally arranged and fixedly connected with the guide posts 43; the roller 41 is arranged on the side part of the lifting frame 42 and can move up and down along the guide column 43; one end of the upper hydraulic cylinder 45 is connected with the top plate 44, the other end of the upper hydraulic cylinder 45 is connected with the top of the lifting frame 42, and the telescopic action of the upper hydraulic cylinder 45 can drive the lifting frame 42 to lift; the supporting device 47 is arranged at the bottom of the lifting frame 42; the middle part of the quenching workpiece frame 48 is placed on the supporting device 47 and used for placing a steel ball to be quenched; the top of the lower hydraulic cylinder is fixed on the lifting frame 42, the bottom of the lower hydraulic cylinder is fixed at one side end of the quenching workpiece frame 48, and the extension and contraction of the lower hydraulic cylinder can drive the two ends of the quenching workpiece frame 48 to swing up and down around the supporting device 47.
The working principle of the water space intermittent quenching equipment for quenching the wear-resistant steel balls of the mine in the embodiment is as follows: the lower water passage 7 is closed through the gate mechanism 5, water is injected into the quenching tank body 3 through the peripheral water pipe system 2, then the upper hydraulic cylinder 45 extends to drive the lifting frame 42 to descend, so that the steel balls in the quenching workpiece frame 48 are immersed in water, the two ends of the quenching workpiece frame 48 are driven to swing up and down through the extension of the lower hydraulic cylinder 46, the steel balls are fully quenched in the water, then the gate mechanism 5 is opened, the water flows back into the outer water pool 1 through the lower water passage 7, and the steel balls are exposed in the air and fully subjected to air cooling heat treatment. Therefore, the water space intermittent quenching equipment for quenching the wear-resistant steel ball in the mine provided by the embodiment can effectively ensure that the cooling speed of the steel ball is greater than the critical cooling speed, obtain more martensite (or lower bainite) structures, keep the toughness of the core of the steel ball, remarkably improve the performances of the steel ball, such as hardenability, hardness, wear resistance, impact toughness and the like, ensure the continuous construction work, improve the working efficiency, reduce the production cost, accord with the new national new concept of energy-saving, environment-friendly and green development, and have good practical value and huge popularization value.
Further, as shown in fig. 1 and 5, the gate mechanism 5 includes: the hydraulic lifting device comprises a supporting base 51, an electric hydraulic push rod 52, a lifting short-chain 53, a gate plate supporting structure 54 and a gate plate 55. The electric hydraulic push rod 52 is fixedly connected with the quenching tank body 3 through a supporting base 51. The gate plate 55 is connected with the electro-hydraulic push rod 52 through the short lifting link chain 53. The lower water passage 7 is provided with a shutter plate chamber with an open upper end, the support structure 54 is located in the shutter plate chamber, and when the shutter plate 55 descends to the shutter plate stage, the support structure 54 abuts against one side of the shutter plate 55 to block the lower water passage 7. When the lower water passage 7 is positioned in the cut-off device, the gate plate needs to close the channel close to one side of the quenching tank body 3, and as for the channel close to one side of the outer water pool, as long as the height of the top of the gate plate cavity is always higher than the water surface height in the outer water pool, the water in the outer water pool can be prevented from overflowing from the gate plate cavity.
Further, as shown in fig. 5, a wedge-shaped positioning cone 57 is disposed on the supporting structure 54, a positioning pulley 56 is correspondingly disposed on the gate plate 55, and the positioning pulley slides downwards along the positioning cone 57, so as to block the lower water passage 7. The lower water passage close to one side of the quenching tank body 3 can be closed by the gate plate through the positioning taper block and the positioning pulley. In a preferred embodiment, a rubber gasket or a rubber ring gasket is arranged on one side of the gate plate close to the quenching tank body, and the position of the rubber gasket or the rubber ring gasket corresponds to the position of the lower water passage.
Further, as shown in fig. 4, the water-space intermittent quenching device further comprises a limiting structure 49, wherein the limiting structure 49 is arranged on the guide column 43 or the quenching tank body 3 and is used for limiting the quenching workpiece frame 48 during heat treatment of the workpiece steel ball. By arranging the limiting structure 49, when the mine wear-resistant steel ball is subjected to heat treatment, the mine wear-resistant steel ball is placed into the quenching workpiece frame 48, and the upper hydraulic cylinder 45 can be controlled to extend to push the quenching workpiece frame 48 to move downwards along the guide column 43 to quickly reach a preset position.
Furthermore, two sets of the peripheral water pipe systems 2 are respectively arranged on two sides of the outer water pool 1 and the quenching tank body 3. 4 sets of peripheral water pipe systems 2 are arranged, so that water in the external water pool 1 can be rapidly input into the quenching tank body, and the quenching efficiency of the steel ball is improved.
Further, the water space intermittent quenching equipment for quenching the mine wear-resistant steel balls preferably comprises a main controller, wherein the main controller is used for controlling an electric hydraulic push rod 52 of the gate so as to control the opening and closing of the gate plate; the main controller is also used for controlling the working states of a water stop valve and a centrifugal pump of the peripheral water pipe system 2; the main controller is also used for controlling the extension and retraction of the upper hydraulic cylinder 45 and the lower hydraulic cylinder 46. The automatic operation of the water space intermittent quenching equipment can be realized by arranging the main controller. It should be noted that the structure and the control principle of the main controller are the prior art, and this embodiment is a specific application of the main controller, that is, the main controller is applied to specific control of an electric hydraulic push rod, a centrifugal pump, a water stop valve, an upper hydraulic cylinder and a lower hydraulic cylinder, thereby realizing automatic operation of the water space intermittent quenching equipment.
Example two
The embodiment provides a water space batch quenching method for quenching a wear-resistant steel ball in a mine, which adopts water space batch quenching equipment in the first embodiment to carry out quenching, and the method is further described with reference to the first embodiment and accompanying drawings 1 to 5. The method comprises the following steps:
step one, when water-cooling heat treatment is carried out on the wear-resistant steel ball of the mine, the gate mechanism 5 is controlled to close the lower water passage 7, the centrifugal pump in the peripheral water pipe system 2 is started to rapidly pump water from the external water pool 1 into the quenching tank body 3, and when the water level reaches the bottom of the upper water passage 6, the centrifugal pump in the peripheral water pipe system 2 is closed, and the water stop valve is closed; when a plurality of sets of peripheral water pipe systems are arranged between the outer water pool 1 and the quenching tank body 3, all water stop valves and centrifugal pumps are opened simultaneously, so that the water conveying efficiency can be improved;
step two, controlling the upper hydraulic cylinder 45 to extend, so that the quenching workpiece frame 48 is lowered below the liquid level in the quenching tank body 3; when the guide post 43 or the quenching tank body 3 is provided with the limiting structure 49, the bottom of the lifting frame 42 is quickly lowered to the limiting structure;
step three, controlling the lower hydraulic cylinder 46 to extend and shorten, and driving the quenching workpiece frame 48 to swing up and down around the supporting device 47, so that steel balls in the quenching workpiece frame 48 are fully quenched;
fourthly, controlling the gate mechanism 5 to open the lower water passage 7, enabling water in the quenching tank body 3 to rapidly flow into the outer water pool 1 from the lower water passage 7, and completely exposing the steel balls in the quenching workpiece frame 48 in the air to carry out air cooling heat treatment;
and repeating the first step to the fourth step, and carrying out water-air alternative heat treatment on the steel ball.
The water space intermittent quenching method for quenching the wear-resistant steel ball in the mine provided by the embodiment can realize the alternate quenching treatment of water and air on the steel ball in a quenching workpiece frame, can effectively ensure that the cooling speed of the steel ball is greater than the critical cooling speed, obtain more martensite (or lower bainite) structures, keep the toughness of the core of the steel ball, remarkably improve the performances of the steel ball, such as hardenability, hardness, wear resistance, impact toughness and the like, ensure the continuous construction work and improve the working efficiency, reduce the production cost, accord with the new national energy-saving and environment-friendly development concept, and have good practical value and great popularization value.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A water space intermittent quenching device for quenching of a wear-resistant steel ball in a mine is characterized by comprising an outer water pool (1), a peripheral water pipe system (2), a quenching tank body (3), a quenching frame body structure (4), a gate mechanism (5), an upper water passage (6) and a lower water passage (7);
two ends of the upper water passage (6) and the lower water passage (7) are respectively communicated with the outer water pool (1) and the quenching tank body (3); the gate mechanism (5) is used for controlling the connection and disconnection of the lower channel (7);
the peripheral water pipe system (2) comprises a water pipe, a water stop valve and a centrifugal pump, wherein the water stop valve and the centrifugal pump are arranged on the water pipe, and two ends of the water pipe are respectively communicated with the outer water pool (1) and the quenching tank body (3) and are used for conveying water in the outer water pool (1) to the quenching tank body (3);
the quenching frame structure (4) is arranged right above the quenching tank body (3) and comprises a roller (41), a lifting frame (42), a guide post (43), a top plate (44), an upper hydraulic cylinder (45), a lower hydraulic cylinder (46), a supporting device (47) and a quenching workpiece frame (48);
the guide posts are vertically arranged, and the top plate (4) is horizontally arranged and fixedly connected with the guide posts (43); the roller (41) is arranged on the side part of the lifting frame (42) and can move up and down along the guide column (43); one end of the upper hydraulic cylinder (45) is connected with the top plate (44), the other end of the upper hydraulic cylinder is connected with the top of the lifting frame (42), and the telescopic action of the upper hydraulic cylinder (45) can drive the lifting frame (42) to lift; the supporting device (47) is arranged at the bottom of the lifting frame (42); the middle part of the quenching workpiece frame (48) is placed on the supporting device (47) and is used for placing a steel ball to be quenched; the top of the lower hydraulic cylinder is fixed on the lifting frame (42), the bottom of the lower hydraulic cylinder is fixed at one side end of the quenching workpiece frame (48), and the extension of the lower hydraulic cylinder can drive the two ends of the quenching workpiece frame (48) to swing up and down.
2. The apparatus for water space batch quenching according to claim 1, wherein the shutter mechanism (5) comprises: the hydraulic lifting device comprises a supporting base (51), an electric hydraulic push rod (52), a lifting short-chain (53), a gate plate supporting structure (54) and a gate plate (55);
the electric hydraulic push rod (52) is fixedly connected with the quenching tank body (3) through a supporting base (51);
the gate plate (55) is connected with the electric hydraulic push rod (52) through the hoisting short-link chain (53); the lower water passage (7) is provided with a gate plate cavity with an opening at the upper end, the supporting structure (54) is positioned in the gate plate cavity, and when the gate plate (55) descends to the middle of the gate plate time, the supporting structure (54) props against one side of the gate plate (55) to block the lower water passage (7).
3. The water space batch quenching apparatus according to claim 2,
the supporting structure (54) is provided with a wedge-shaped positioning conical block (57), the gate plate (55) is correspondingly provided with a positioning pulley (56), and the positioning pulley slides downwards along the positioning conical block (57) so as to block the lower water passage (7).
4. The apparatus for the intermittent water quenching as claimed in claim 1, further comprising a limiting structure (49), wherein the limiting structure (49) is arranged on the guide post (43) or the quenching tank body (3) and is used for limiting the quenching workpiece frame (48) during the heat treatment of the steel ball.
5. The water space intermittent quenching equipment as claimed in claim 1, wherein two sets of said peripheral water pipe systems (2) are provided on both sides of the outer water pool (1) and the quenching tank body (3), respectively.
6. A water space batch quenching method for quenching treatment of a mine wear-resistant steel ball, which is characterized in that the water space batch quenching equipment of any one of claims 1 to 5 is adopted for quenching, and the method comprises the following steps:
step one, when water-cooling heat treatment is carried out on the wear-resistant steel ball of the mine, controlling the gate mechanism (5) to close the lower water passage (7), starting the centrifugal pump in the peripheral water pipe system (2) to rapidly pump water from the outer water pool (1) into the quenching tank body (3), and closing the centrifugal pump in the peripheral water pipe system (2) and closing the water stop valve when the water level reaches the bottom of the upper water passage (6);
secondly, controlling the upper hydraulic cylinder (45) to extend, so that the quenching workpiece frame (48) is lowered below the liquid level in the quenching tank body (3);
step three, controlling the lower hydraulic cylinder (46) to extend and shorten, and driving the quenching workpiece frame (48) to swing up and down around the supporting device (47), so that steel balls in the quenching workpiece frame (48) are fully quenched;
fourthly, controlling the gate mechanism (5) to open the lower water passage (7), enabling water in the quenching tank body (3) to rapidly flow into the outer water pool (1) from the lower water passage (7), and completely exposing the steel balls in the quenching workpiece frame (48) in the air for air cooling heat treatment;
and repeating the first step to the fourth step, and carrying out water-air alternative heat treatment on the steel ball.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210655A (en) * | 2020-09-30 | 2021-01-12 | 河南新华五岳抽水蓄能发电有限公司 | Automatic production equipment and method for water-air alternative quenching of steel balls |
| CN113215382A (en) * | 2021-04-29 | 2021-08-06 | 安徽省三方新材料科技有限公司 | Mine is with wear-resisting ball heat treatment device of high chromium |
| CN113265530A (en) * | 2021-06-24 | 2021-08-17 | 重庆文理学院 | Tubular part quenching and cooling equipment utilizing thermoelectricity |
| CN113774196A (en) * | 2021-08-11 | 2021-12-10 | 张成林 | Heat treatment device for hardware production |
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| CN212102933U (en) * | 2019-11-28 | 2020-12-08 | 上海市建工设计研究总院有限公司 | Water space intermittent quenching equipment for quenching treatment of wear-resistant steel balls in mine |
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| CN204918678U (en) * | 2015-09-09 | 2015-12-30 | 河南省天利工业炉有限公司 | Steel ball quenches and puts bed mechanism |
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| CN112210655A (en) * | 2020-09-30 | 2021-01-12 | 河南新华五岳抽水蓄能发电有限公司 | Automatic production equipment and method for water-air alternative quenching of steel balls |
| CN113215382A (en) * | 2021-04-29 | 2021-08-06 | 安徽省三方新材料科技有限公司 | Mine is with wear-resisting ball heat treatment device of high chromium |
| CN113215382B (en) * | 2021-04-29 | 2023-02-03 | 安徽省三方新材料科技有限公司 | Mine is with wear-resisting ball heat treatment device of high chromium |
| CN113265530A (en) * | 2021-06-24 | 2021-08-17 | 重庆文理学院 | Tubular part quenching and cooling equipment utilizing thermoelectricity |
| CN113774196A (en) * | 2021-08-11 | 2021-12-10 | 张成林 | Heat treatment device for hardware production |
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