CN114085981A - Stainless steel ball heat treatment equipment based on gravity conveying - Google Patents
Stainless steel ball heat treatment equipment based on gravity conveying Download PDFInfo
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- CN114085981A CN114085981A CN202111305113.9A CN202111305113A CN114085981A CN 114085981 A CN114085981 A CN 114085981A CN 202111305113 A CN202111305113 A CN 202111305113A CN 114085981 A CN114085981 A CN 114085981A
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 225
- 239000010935 stainless steel Substances 0.000 title claims abstract description 225
- 238000010438 heat treatment Methods 0.000 title claims abstract description 139
- 230000005484 gravity Effects 0.000 title claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 164
- 238000005496 tempering Methods 0.000 claims abstract description 77
- 238000010791 quenching Methods 0.000 claims abstract description 67
- 230000000171 quenching effect Effects 0.000 claims abstract description 67
- 238000001816 cooling Methods 0.000 claims abstract description 51
- 238000001035 drying Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 105
- 238000003860 storage Methods 0.000 claims description 29
- 238000005086 pumping Methods 0.000 claims description 24
- 238000005507 spraying Methods 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 14
- 238000007669 thermal treatment Methods 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 46
- 239000000110 cooling liquid Substances 0.000 description 20
- 239000010410 layer Substances 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000003139 buffering effect Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000002500 effect on skin Effects 0.000 description 4
- 230000005291 magnetic effect Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 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
- 238000004321 preservation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 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
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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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
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
-
- 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
- C21D1/62—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
- C21D11/00—Process control or regulation for heat treatments
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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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
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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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Abstract
The invention belongs to the technical field of heat treatment, and particularly relates to stainless steel ball heat treatment equipment based on gravity conveying, which comprises a base, support columns, connecting rods, an intermittent feeding part and a heat treatment channel, wherein the support columns are arranged on the base; according to the invention, the stainless steel balls are fed into the inlet of the heat treatment channel through the intermittent feeding part, and then roll downwards along the heat treatment channel under the action of self gravity after the stainless steel balls enter the heat treatment channel, so that the automatic conveying of materials in the heat treatment process is realized through the self gravity of the stainless steel balls, and then the transfer process in the heat treatment process of the stainless steel balls is avoided, so that the heat treatment time is shortened, and meanwhile, the heat treatment cost is reduced; the stainless steel ball heat treatment channel sequentially passes through the quenching channel, the rapid cooling channel, the cleaning channel, the drying channel and the tempering channel in the downward rolling process, and then no personnel participates in the whole process from the completion of feeding to the completion of the heat treatment of the stainless steel balls, so that the automatic production of the heat treatment of the stainless steel balls is realized.
Description
Technical Field
The invention belongs to the technical field of heat treatment, and particularly relates to stainless steel ball heat treatment equipment based on gravity conveying.
Background
The heat treatment is a metal hot processing technology for changing the chemical components and structures on the surface or in the material to obtain the required performance by heating, heat preservation and cooling the metal material in a solid state. The surface heat treatment is a metal heat treatment process for changing the mechanical property of a surface layer by heating and cooling the surface of a steel piece. Surface quenching is the main content of surface heat treatment, with the aim of obtaining a high hardness surface layer and a favourable internal stress distribution for improving the wear and fatigue resistance of the workpiece, the quenching treatment being generally followed by a tempering treatment for reducing or eliminating the internal stress in the quenched steel part or for reducing its hardness and strength for improving ductility and toughness.
The existing heat treatment for stainless steel balls is generally to sequentially carry out quenching treatment in quenching equipment, rapidly cool treatment in cooling equipment, cleaning treatment in cleaning equipment, drying treatment in drying equipment and tempering treatment in tempering equipment, wherein personnel are required to transport the steel balls through special transportation tools in the process, and then the problems of long time consumption and high cost in the heat treatment process exist.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides stainless steel ball heat treatment equipment based on gravity conveying. The steel ball transporting device is mainly used for solving the problems that in the heat treatment process of the steel balls, personnel are required to transport the steel balls through a special transporting tool, so that the time consumption of the heat treatment process is long and the cost is high.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides stainless steel ball heat treatment equipment based on gravity conveying, which comprises a base, supporting columns and connecting rods, wherein the supporting columns are arranged on the base; the supporting column is arranged above the base; the supporting column is fixedly connected to the base; the connecting rods are arranged on the supporting columns at intervals; one section of the connecting rod is fixedly connected to the supporting column; the heat treatment equipment further comprises an intermittent feeding part and a heat treatment channel; the other end of the connecting rod is connected to the side wall of the heat treatment channel; the upper end of the support column is provided with the intermittent feeding part; the intermittent feeding component is used for intermittently feeding stainless steel balls into the heat treatment channel; the height difference exists between the two ends of the heat treatment channel, and the height of the feed end of the heat treatment channel gradually decreases towards the discharge end of the heat treatment channel; the inner wall of the heat treatment channel is a smooth surface; the feeding end of the heat treatment channel is connected with the intermittent feeding part; the heat treatment channel is used for sequentially carrying out quenching, rapid cooling, cleaning, drying and tempering on the stainless steel ball;
the heat treatment channel comprises a quenching channel, a rapid cooling channel, a cleaning channel, a drying channel and a tempering channel; the quenching channel, the rapid cooling channel, the cleaning channel, the drying channel and the tempering channel are communicated in sequence; the quenching channel and the tempering channel are both made of high-temperature-resistant ceramics; wires are arranged in the side walls of the quenching channel and the tempering channel; the wire is spirally wound in the side walls of the quenching channel and the tempering channel; a first on-off component and a second on-off component are sequentially arranged between the rapid cooling channel and the cleaning channel; the first on-off component and the second on-off component are arranged at intervals; a third on-off component is arranged between the cleaning channel and the drying channel; the first on-off component, the second on-off component and the third on-off component are all used for realizing the on-off of a heat treatment channel; a flushing component is arranged near the cleaning channel; and the cleaning component is used for cleaning the surface of the cooled stainless steel ball.
When the device works, firstly, high-frequency alternating current is introduced into the spiral lead, then the stainless steel ball to be heat-treated is placed into the intermittent feeding component, and then the intermittent feeding component feeds the stainless steel ball into the inlet of the heat treatment channel, because the two ends of the heat treatment channel have a height difference, and the feeding end of the heat treatment channel gradually decreases towards the discharging end of the heat treatment channel, and then the stainless steel ball rolls downwards along the heat treatment channel under the action of self gravity after entering the heat treatment channel, so that the automatic conveying of materials in the heat treatment process is realized through the self gravity of the stainless steel ball, the transfer process in the heat treatment process of the stainless steel ball is avoided, the heat treatment time is shortened, and the heat treatment cost is reduced; when the stainless steel ball passes through the quenching channel, high-frequency alternating current is introduced into the spiral lead, so that an alternating magnetic field is generated to generate induced current with the same frequency in a workpiece, the surface of the workpiece is rapidly heated by utilizing the skin effect, and the surface of the stainless steel ball is quenched; the quenched stainless steel ball enters a rapid cooling channel, cooling liquid for rapid cooling is injected into the channel to realize cooling of the stainless steel ball, and the cooling liquid and the cleaning channel are mutually separated and can smoothly enter the next processing link through mutual matching of a first on-off component and a second on-off component; the cooled stainless steel ball enters a cleaning channel, the surface of the stainless steel ball is cleaned in the cleaning channel through a cleaning component, and in the process, the cleaning liquid in the cleaning channel is separated from a drying channel through a third on-off component, so that the stainless steel ball can smoothly enter the next link for treatment; the cleaned stainless steel ball enters a tempering channel, so that the stainless steel ball is tempered; the stainless steel ball passes through the quenching channel, the rapid cooling channel, the cleaning channel, the drying channel and the tempering channel in sequence under the action of self gravity, and then no personnel participate in the whole process from the end of feeding to the completion of the heat treatment of the stainless steel ball, so that the automatic production of the heat treatment of the stainless steel ball is realized, and the production efficiency is improved.
Preferably, the outer walls of the quenching channel and the tempering channel are both provided with heat-insulating layers; a heat insulation layer is arranged on the outer wall of the heat insulation layer; electromagnets are arranged at positions close to the heat insulation layer under the quenching channel and the tempering channel; the electromagnets are uniformly arranged at intervals along the direction of the quenching channel and the tempering channel; a fixed plate is arranged below the electromagnet; the electromagnet is fixedly connected to the fixing plate; the fixed plate is fixedly connected to the supporting column through the connecting rod.
When the stainless steel quenching and tempering device works, due to the fact that the stainless steel balls are different in size, the falling speeds of the stainless steel balls in the quenching channel and the tempering channel are different, the passing time is different, and the same quenching degree and tempering degree of the stainless steel balls different in size are difficult to guarantee; in the scheme, the electromagnet is arranged at the position, close to the heat insulation layer, below the quenching channel and the tempering channel, so that the stainless steel ball is attracted under the action of the battery ferromagnetic force, the downward rolling speed of the stainless steel ball is reduced, the time of the stainless steel ball in the quenching channel and the tempering channel is increased, the quenching time and the tempering time of the stainless steel ball are controlled, the surface quenching and tempering degrees of different steel balls with different sizes are the same, the different quenching and tempering requirements of the stainless steel ball are met, and the application range of the heat treatment equipment is further expanded.
Preferably, the first on-off component, the second on-off component and the third on-off component are ball valves or gate valves; the first on-off component, the second on-off component and the third on-off component are provided with buffering components on the side wall of the valve core corresponding to the valve body channel port in a closed state; the buffer component comprises a spring, a sliding plate and a rubber block; a groove is formed in the valve core; the groove is connected with the sliding plate in a sliding way; the spring is arranged between the sliding plate and the bottom surface of the groove; one end of the spring is fixedly connected to the bottom surface of the groove; the other end of the spring is fixedly connected to the sliding plate; a rubber block is arranged on one side of the sliding plate, which is far away from the spring; the rubber block is fixedly connected to the sliding block; the outer plane of the rubber block is lower than the side wall of the valve core.
When the valve core is in work, the stainless steel ball rolls downwards in the quenching channel and rolls downwards in the cleaning channel to contact the valve core, if the stainless steel ball directly impacts the valve core, the valve core is easy to damage, and liquid leakage is caused, the buffering component is arranged on the valve core, and the spring is compressed under the action of impact force after the stainless steel ball impacts the rubber block, so that a backflushing effect is achieved when the stainless steel ball rolls downwards to contact the valve core, the damage to the valve core when the stainless steel ball rolls downwards to contact the valve core is reduced, and the service lives of the first on-off component, the second on-off component and the third on-off component are prolonged; meanwhile, the rubber block prevents the stainless steel ball from deforming when the stainless steel ball impacts the valve core, so that the surface quality of the stainless steel ball is prevented from being influenced, and the surface quality of the stainless steel ball is prevented from being damaged in the heat treatment process.
Preferably, a first narrow groove is formed in the side wall of the channel between the first on-off component and the second on-off component; the first narrow groove is positioned on one side of the second on-off component, and the lowest end of the first narrow groove is positioned at the lowest point of the inner wall of the channel between the first on-off component and the second on-off component; the diameter of the first narrow groove is far smaller than that of the stainless steel ball; a first pump is arranged on the connecting rod; the water inlet of the first pump is communicated with the first narrow groove through a water pipe; and the water outlet of the first pump is communicated with the quick cooling channel through a water pipe.
When the cooling device works, after the stainless steel ball reaches the bottom of the rapid cooling channel and contacts with the valve core, the first on-off component is controlled to be opened through the controller, then the stainless steel ball and cooling liquid enter a channel between the first on-off component and the second on-off component together, then the first on-off component is closed, further the channel between the first on-off component and the second on-off component forms an independent cavity, then the first pump is controlled to operate through the controller, further the cooling liquid in the cavity is pumped back into the rapid cooling channel, after the liquid in the cavity is pumped, the second on-off component is controlled to be opened through the controller, further the stainless steel ball in the cavity enters the cleaning channel, then the second on-off component is controlled to be closed through the controller, further the cooling liquid in the rapid cooling channel is separated from the cleaning channel through the mutual matching between the first on-off component and the second on-off component, meanwhile, the stainless steel ball can continuously roll downwards to enter a subsequent processing channel, so that the cleaning channel is prevented from being polluted by the cooling liquid flowing into the cleaning channel, and the cleaning capacity of the cleaning channel on the stainless steel ball is prevented from being reduced.
Preferably, the flushing component comprises a second pump, a third pump, a connecting plate and a water storage tank; the connecting plate is fixedly connected to the connecting rod; the second pump, the third pump and the water storage tank are fixedly connected to the connecting plate; a water pumping groove and a water spraying groove are arranged on the side wall of the cleaning channel and close to the third on-off component; the widths of the water pumping groove and the water spraying groove are both far smaller than the diameter of the stainless steel ball; the water inlet of the second pump is communicated with the water pumping groove through a water pipe; the water outlet of the second pump is communicated with the top of the water storage tank; the water inlet of the third pump is communicated with the bottom of the water storage tank; and the water outlet of the third pump is communicated with the water spraying groove.
When the stainless steel ball cleaning device works, when a stainless steel ball enters the cleaning channel from the quick cooling channel, the second pump and the third pump are controlled to simultaneously operate through the controller, then the second pump pumps cleaning liquid in the cleaning pipeline into the water storage tank, then the cleaning liquid in the water storage tank is pumped by the third pump and then is sprayed into the cleaning channel from the water spray tank, then the stainless steel ball is cleaned through the flowing cleaning liquid, and then the cleaning liquid circularly flows through the cooperation of the second pump and the third pump, so that the stainless steel ball is circularly cleaned, the cleaning degree of the surface of the stainless steel ball is improved, and the effect of the stainless steel ball after being thermally treated due to the unclean surface is prevented from being influenced after being tempered; after the cleaning is finished, the controller controls the third pump to stop running, then the cleaning liquid in the cleaning channel is completely pumped into the water storage tank through the second pump, after the cleaning liquid in the cleaning channel is completely pumped, the controller controls the second pump to stop running, then the third on-off component is controlled to be opened, the stainless steel ball is made to enter the drying channel, after the stainless steel ball passes through the third on-off component, the controller controls the third on-off component to be closed, the third on-off component is controlled by the controller to run after being closed, and then the cleaning liquid in the water storage tank is injected into the cleaning channel again.
Preferably, the water pumping grooves are uniformly arranged at the lowest position of the inner wall of the cleaning channel at intervals; the water spraying grooves are uniformly arranged at the highest position of the inner wall of the cleaning channel at intervals; the water spraying groove is obliquely arranged.
When the stainless steel ball cleaning device works, the water pumping groove is arranged at the lowest position of the cleaning channel, so that the cleaning liquid in the cleaning channel is completely pumped, and the width of the water pumping groove is far smaller than the diameter of the stainless steel ball, so that the time for pumping the cleaning liquid in the cleaning channel is shortened by arranging a plurality of water pumping grooves, and the reduction of the heat treatment efficiency of the stainless steel ball due to the overlong time required by pumping is avoided; the water spraying groove is arranged at the highest position of the cleaning channel and is obliquely arranged, so that the disorder degree of cleaning liquid in the cleaning channel is increased in the process of spraying water by the water spraying groove, the flowing speed of the cleaning liquid on the surface of the stainless steel ball is increased, and the cleaning degree of the surface of the stainless steel ball is improved; meanwhile, water flow sprayed by the water spraying groove has a blocking effect on the stainless steel ball when the stainless steel ball passes through, so that the impact of the stainless steel ball on the valve core of the third on-off component is reduced.
Preferably, the inlet end of the tempering channel is directly connected with the outlet end of the drying channel.
When the stainless steel ball drying device works, the inlet end of the tempering channel is directly connected with the outlet end of the drying channel, and then the heat dissipated by the stainless steel ball when the stainless steel ball passes through the tempering channel is upwards discharged from the air outlet above the drying channel through the drying channel along the tempering channel, so that the waste heat in the tempering channel is utilized to realize the drying of the stainless steel ball, the energy consumption is further saved, and the cost is further reduced.
Preferably, the intermittent feeding part comprises a hopper, a motor and a turntable; the bottom of the hopper is fixedly connected to the top end of the supporting column; the bottom of the hopper is communicated with the heat treatment channel; the bottom of the hopper is inclined towards the heat treatment channel; a turntable is arranged in the hopper close to the heat treatment channel; the rotary table is rotationally connected to the hopper through a rotating shaft; the hopper is fixedly connected with a mounting seat of the motor; a rotating shaft of the motor is fixedly connected with the rotating shaft; and material distributing openings are uniformly arranged on the rotating disc at intervals.
During operation, controller control motor rotates, and then the motor drives the axis of rotation and rotates, and then drives the carousel and rotate, and then realizes sending into the heat treatment passageway feed inlet with stainless steel ball intermittent type nature through the branch material mouth on the carousel, and then avoids the stainless steel ball to pile up in heat treatment pipeline, and then guarantees that heat treatment can continuous work.
The invention has the following beneficial effects:
1. according to the invention, high-frequency alternating current is firstly introduced into the spiral lead, then the stainless steel ball to be heat-treated is placed into the intermittent feeding component, and then the intermittent feeding component feeds the stainless steel ball into the inlet of the heat treatment channel, because the height difference exists at the two ends of the heat treatment channel, and the feeding end of the heat treatment channel gradually decreases towards the discharging end of the heat treatment channel, so that the stainless steel ball rolls downwards along the heat treatment channel under the action of self gravity after entering the heat treatment channel, and further the automatic conveying of materials in the heat treatment process is realized through the self gravity of the stainless steel ball, so that the transfer process in the heat treatment process of the stainless steel ball is avoided, the heat treatment time is shortened, and the heat treatment cost is reduced; when the stainless steel ball passes through the quenching channel, high-frequency alternating current is introduced into the spiral lead, so that an alternating magnetic field is generated to generate induced current with the same frequency in a workpiece, the surface of the workpiece is rapidly heated by utilizing the skin effect, and the surface of the stainless steel ball is quenched; the quenched stainless steel ball enters a rapid cooling channel, cooling liquid for rapid cooling is injected into the channel to realize cooling of the stainless steel ball, and the cooling liquid and the cleaning channel are mutually separated and can smoothly enter the next processing link through mutual matching of a first on-off component and a second on-off component; the cooled stainless steel ball enters a cleaning channel, the surface of the stainless steel ball is cleaned in the cleaning channel through a cleaning component, and in the process, the cleaning liquid in the cleaning channel is separated from a drying channel through a third on-off component, so that the stainless steel ball can smoothly enter the next link for treatment; the cleaned stainless steel ball enters a tempering channel, so that the stainless steel ball is tempered; the stainless steel ball passes through the quenching channel, the rapid cooling channel, the cleaning channel, the drying channel and the tempering channel in sequence under the action of self gravity, and then no personnel participate in the whole process from the end of feeding to the completion of the heat treatment of the stainless steel ball, so that the automatic production of the heat treatment of the stainless steel ball is realized, and the production efficiency is improved.
2. According to the invention, due to the fact that the stainless steel balls are different in size, the falling speeds of the stainless steel balls in the quenching channel and the tempering channel are different, the passing time is different, and the same quenching degree and tempering degree of the stainless steel balls with different sizes are difficult to guarantee; in the scheme, the electromagnet is arranged at the position, close to the heat insulation layer, below the quenching channel and the tempering channel, so that the stainless steel ball is attracted under the action of the battery ferromagnetic force, the downward rolling speed of the stainless steel ball is reduced, the time of the stainless steel ball in the quenching channel and the tempering channel is increased, the quenching time and the tempering time of the stainless steel ball are controlled, the surface quenching and tempering degrees of different steel balls with different sizes are the same, the different quenching and tempering requirements of the stainless steel ball are met, and the application range of the heat treatment equipment is further expanded.
3. When the stainless steel ball rolls downwards in the quenching channel and rolls downwards in the cleaning channel to contact with the valve core, if the stainless steel ball directly impacts the valve core, the valve core is easy to damage, and further liquid leakage is caused, the buffering component is arranged on the valve core, and further the spring is compressed under the action of impact force after the stainless steel ball impacts the rubber block, so that a recoil effect is achieved when the stainless steel ball rolls downwards to contact with the valve core, further the damage to the valve core when the stainless steel ball rolls downwards to contact with the valve core is reduced, and the service lives of the first on-off component, the second on-off component and the third on-off component are prolonged; meanwhile, the rubber block prevents the stainless steel ball from deforming when the stainless steel ball impacts the valve core, so that the surface quality of the stainless steel ball is prevented from being influenced, and the surface quality of the stainless steel ball is prevented from being damaged in the heat treatment process.
4. When the stainless steel ball reaches the bottom of the rapid cooling channel and contacts with the valve core, the controller controls the first on-off component to be opened, then the stainless steel ball and cooling liquid enter a channel between the first on-off component and the second on-off component together, then the first on-off component is closed, further the channel between the first on-off component and the second on-off component forms an independent cavity, then the controller controls the first pump to operate, further the cooling liquid in the cavity is pumped back into the rapid cooling channel, after the liquid in the cavity is pumped, the controller controls the second on-off component to be opened, further the stainless steel ball in the cavity enters the cleaning channel, then the controller controls the second on-off component to be closed, further the cooling liquid in the rapid cooling channel is separated from the cleaning channel through the mutual matching between the first on-off component and the second on-off component, meanwhile, the stainless steel ball can continuously roll downwards to enter a subsequent processing channel, so that the cleaning channel is prevented from being polluted by the cooling liquid flowing into the cleaning channel, and the cleaning capacity of the cleaning channel on the stainless steel ball is prevented from being reduced.
5. When stainless steel balls enter the cleaning channel from the rapid cooling channel, the controller controls the second pump and the third pump to run simultaneously, the second pump pumps cleaning liquid in the cleaning pipeline into the water storage tank, the cleaning liquid in the water storage tank is pumped by the third pump and then is sprayed into the cleaning channel from the water spray tank, the cleaning of the stainless steel balls is realized through the flowing cleaning liquid, the cleaning liquid is enabled to flow circularly through the cooperation of the second pump and the third pump, the circulating cleaning of the stainless steel balls is realized, the cleaning degree of the surfaces of the stainless steel balls is improved, and the effect of the stainless steel balls after heat treatment is prevented from being influenced due to unclean surfaces after tempering; after the cleaning is finished, the controller controls the third pump to stop running, then the cleaning liquid in the cleaning channel is completely pumped into the water storage tank through the second pump, after the cleaning liquid in the cleaning channel is completely pumped, the controller controls the second pump to stop running, then the third on-off component is controlled to be opened, the stainless steel ball is made to enter the drying channel, after the stainless steel ball passes through the third on-off component, the controller controls the third on-off component to be closed, the third on-off component is controlled by the controller to run after being closed, and then the cleaning liquid in the water storage tank is injected into the cleaning channel again.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic view of a first overall structure of a heat treatment apparatus in the present invention;
FIG. 2 is a second schematic view of the whole structure of the heat treatment apparatus of the present invention;
FIG. 3 is a schematic view of a first internal structure of the heat treatment apparatus of the present invention;
FIG. 4 is a schematic view of a second internal structure of the heat treatment apparatus of the present invention;
FIG. 5 is a schematic view showing the structure of a heat treatment passage in the present invention;
FIG. 6 is a schematic view showing the position of an electromagnet on a heat treatment passage in the present invention;
FIG. 7 is a schematic view of the arrangement of electromagnets in the present invention;
FIG. 8 is a schematic view of the position of the damping member on the valve core of the present invention;
FIG. 9 is a schematic view showing an internal structure of a cushioning member according to the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 6 at A;
fig. 11 is a partial enlarged view at B in fig. 6;
FIG. 12 is an enlarged view of a portion of FIG. 6 at C;
in the figure: the device comprises a base 1, a support column 11, a connecting rod 12, an intermittent feeding part 2, a hopper 21, a motor 22, a rotary table 23, a material distributing port 231, a heat treatment channel 3, a quenching channel 31, a rapid cooling channel 32, a cleaning channel 33, a water pumping groove 331, a water spraying groove 332, a drying channel 34, a tempering channel 35, a lead 36, a first on-off part 4, a second on-off part 41, a third on-off part 42, a valve core 43, a heat insulation layer 5, a heat insulation layer 51, an electromagnet 6, a fixing plate 61, a buffering part 7, a spring 71, a sliding plate 72, a rubber block 73, a first pump 8, a first narrow groove 81, a flushing part 9, a second pump 91, a third pump 92 and a water storage tank 93.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 12, a stainless steel ball heat treatment device based on gravity conveying comprises a base 1, a support column 11 and a connecting rod 12; the supporting column 11 is arranged above the base 1; the supporting column 11 is fixedly connected to the base 1; the connecting rods 12 are arranged on the supporting columns 11 at intervals; one section of the connecting rod 12 is fixedly connected to the supporting column 11; the heat treatment apparatus further comprises an intermittent feeding part 2 and a heat treatment passage 3; the other end of the connecting rod 12 is connected to the side wall of the heat treatment channel 3; the upper end of the support column 11 is provided with the intermittent feeding part 2; the intermittent feeding part 2 is used for intermittently feeding stainless steel balls into the heat treatment channel 3; the height difference exists between the two ends of the heat treatment channel 3, and the height of the feed end of the heat treatment channel 3 gradually decreases towards the discharge end of the heat treatment channel 3; the inner wall of the heat treatment channel 3 is a smooth surface; the feeding end of the heat treatment channel 3 is connected with the intermittent feeding part 2; the heat treatment channel 3 is used for sequentially carrying out quenching, rapid cooling, cleaning, drying and tempering on the stainless steel balls;
the heat treatment channel 3 comprises a quenching channel 31, a rapid cooling channel 32, a cleaning channel 33, a drying channel 34 and a tempering channel 35; the quenching channel 31, the rapid cooling channel 32, the cleaning channel 33, the drying channel 34 and the tempering channel 35 are communicated in sequence; the quenching channel 31 and the tempering channel 35 are both made of high-temperature-resistant ceramics; the side walls of the quenching channel 31 and the tempering channel 35 are internally provided with leads 36; the wire 36 is spirally wound in the side walls of the quenching channel 31 and the tempering channel 35; a first on-off component 4 and a second on-off component 41 are sequentially arranged between the rapid cooling channel 32 and the cleaning channel 33; the first on-off component 4 and the second on-off component 41 are arranged at intervals; a third on-off component 42 is arranged between the cleaning channel 33 and the drying channel 34; the first on-off component 4, the second on-off component 41 and the third on-off component 42 are all used for realizing the on-off of the heat treatment channel 3; a flushing component 9 is arranged near the cleaning channel 33; and the cleaning component is used for cleaning the surface of the cooled stainless steel ball.
When the device works, firstly, high-frequency alternating current is introduced into the spiral lead 36, then the stainless steel balls to be subjected to heat treatment are placed into the intermittent feeding component, and then the intermittent feeding component feeds the stainless steel balls into the inlet of the heat treatment channel 3, because the two ends of the heat treatment channel 3 have a height difference, and the feeding end of the heat treatment channel 3 gradually decreases towards the discharging end of the heat treatment channel 3, so that the stainless steel balls roll downwards along the heat treatment channel 3 under the action of self gravity after entering the heat treatment channel 3, and then the materials are automatically conveyed in the heat treatment process through the self gravity of the stainless steel balls, so that the transfer process in the heat treatment process of the stainless steel balls is avoided, the heat treatment time is shortened, and the heat treatment cost is reduced; when the stainless steel ball passes through the quenching channel 31, high-frequency alternating current is introduced into the spiral lead 36, so that an alternating magnetic field is generated to generate induced current with the same frequency in a workpiece, the surface of the workpiece is rapidly heated by utilizing the skin effect, and the surface of the stainless steel ball is quenched; the quenched stainless steel ball enters a rapid cooling channel 32, cooling liquid for rapid cooling is injected into the channel to realize cooling of the stainless steel ball, and the cooling liquid and the cleaning channel 33 are separated from each other and can smoothly enter the next processing link through mutual matching of a first on-off component 4 and a second on-off component 41; the cooled stainless steel ball enters the cleaning channel 33, the surface of the stainless steel ball is cleaned in the cleaning channel 33 through a cleaning component, and the cleaning liquid in the cleaning channel 33 and the drying channel 34 are separated from each other through a third on-off component 42 in the process, so that the stainless steel ball can smoothly enter the next link for treatment; the cleaned stainless steel ball enters the tempering channel 35, so that the stainless steel ball is tempered; the stainless steel ball passes through the quenching channel 31, the rapid cooling channel 32, the cleaning channel 33, the drying channel 34 and the tempering channel 35 in sequence under the action of self gravity, and then no personnel participate in the whole process from the feeding end to the heat treatment of the stainless steel ball, so that the automatic production of the heat treatment of the stainless steel ball is realized, and the production efficiency is improved.
As shown in fig. 1 to 7, the outer walls of the quenching channel 31 and the tempering channel 35 are both provided with an insulating layer 5; a heat insulation layer 51 is arranged on the outer wall of the heat insulation layer 5; electromagnets 6 are arranged at positions close to the heat insulation layer 51 under the quenching channel 31 and the tempering channel 35; the electromagnets 6 are uniformly arranged along the direction of the quenching channel 31 and the tempering channel 35 at intervals; a fixed plate 61 is arranged below the electromagnet 6; the electromagnet 6 is fixedly connected to the fixed plate 61; the fixing plate 61 is fixedly connected to the supporting column 11 through the connecting rod 12.
When the stainless steel quenching and tempering device works, due to the fact that the stainless steel balls are different in size, the falling speeds of the stainless steel balls in the quenching channel 31 and the tempering channel 35 are different, the passing time is different, and the same quenching and tempering degrees of the stainless steel balls different in size are difficult to guarantee; in the scheme, the electromagnet 6 is arranged at the position, close to the heat insulation layer 51, below the quenching channel 31 and the tempering channel 35, so that the stainless steel ball is attracted under the action of battery ferromagnetic force, the downward rolling speed of the stainless steel ball is reduced, the time of the stainless steel ball in the quenching channel 31 and the tempering channel 35 is prolonged, the quenching time and the tempering time of the stainless steel ball are controlled, the surface quenching and tempering degrees of different steel balls with different sizes are the same, different quenching and tempering requirements of the stainless steel ball are met, and the application range of the heat treatment equipment is further expanded.
As shown in fig. 5, 6, 8 and 9, the first on-off member 4, the second on-off member 41 and the third on-off member 42 are ball valves or gate valves; the first on-off component 4, the second on-off component 41 and the third on-off component 42 are provided with a buffer component 7 on the valve core 43 corresponding to the side wall of the valve body channel port in a closed state; the buffer member 7 includes a spring 71, a slide plate 72, and a rubber block 73; a groove is arranged on the valve core 43; the sliding plate 72 is connected in the groove in a sliding way; the spring 71 is arranged between the sliding plate 72 and the bottom surface of the groove; one end of the spring 71 is fixedly connected to the bottom surface of the groove; the other end of the spring 71 is fixedly connected to the sliding plate 72; a rubber block 73 is arranged on one side of the sliding plate 72 away from the spring 71; the rubber block 73 is fixedly connected to the sliding block; the outer plane of the rubber block 73 is lower than the side wall of the valve core 43.
When the quenching device works, when the stainless steel ball rolls downwards in the quenching channel 31 and rolls downwards in the cleaning channel 33 to contact the valve core 43, if the stainless steel ball directly impacts the valve core 43, the valve core 43 is easily damaged, and liquid leakage is further caused, the buffering component 7 is arranged on the valve core 43, and then the spring 71 is compressed under the action of impact force after the stainless steel ball impacts the rubber block 73, so that a recoil effect is achieved when the stainless steel ball rolls downwards to contact the valve core 43, the damage to the valve core 43 when the stainless steel ball rolls downwards to contact the valve core 43 is further reduced, and the service lives of the first on-off component 4, the second on-off component 41 and the third on-off component 42 are further prolonged; meanwhile, the rubber block 73 prevents the stainless steel ball from deforming when the stainless steel ball impacts the valve core 43, so that the surface quality of the stainless steel ball is prevented from being influenced, and the surface quality of the stainless steel ball is prevented from being damaged in the heat treatment process.
As shown in fig. 6 and 10, a first narrow groove 81 is formed on a side wall of the passage between the first on-off member 4 and the second on-off member 41; the first narrow groove 81 is positioned on one side of the second on-off component 41, and the lowest end of the first narrow groove 81 is positioned at the lowest point of the inner wall of the channel between the first on-off component 4 and the second on-off component 41; the diameter of the first narrow groove 81 is far smaller than that of the stainless steel ball; the connecting rod 12 is provided with a first pump 8; the water inlet of the first pump 8 is communicated with the first narrow groove 81 through a water pipe; the water outlet of the first pump 8 is communicated with the quick cooling channel 32 through a water pipe.
When the cooling device works, after the stainless steel ball reaches the bottom of the rapid cooling channel 32 and contacts the valve core 43, the first on-off component 4 is controlled to be opened through the controller, then the stainless steel ball and cooling liquid enter a channel between the first on-off component 4 and the second on-off component 41 together, then the first on-off component 4 is closed, further the channel between the first on-off component 4 and the second on-off component 41 forms an independent cavity, then the first pump 8 is controlled to operate through the controller, further the cooling liquid in the cavity is pumped back into the rapid cooling channel 32, after the liquid in the cavity is pumped, the second on-off component 41 is controlled to be opened through the controller, further the stainless steel ball in the cavity enters the cleaning channel 33, then the second on-off component 41 is controlled to be closed through the controller, further, the cooling liquid in the rapid cooling channel 32 is separated from the cleaning channel 33 through the mutual matching between the first on-off component 4 and the second on-off component 41, meanwhile, the stainless steel balls can continuously roll downwards to enter a subsequent processing channel, so that the cleaning channel 33 is prevented from being polluted by the cooling liquid flowing into the cleaning channel 33, and the cleaning capacity of the cleaning channel 33 on the stainless steel balls is prevented from being reduced.
As shown in fig. 6 and 11, the flushing part 9 comprises a second pump 91, a third pump 92, a connecting plate and a water storage tank 93; the connecting plate is fixedly connected to the connecting rod 12; the second pump 91, the third pump 92 and the water storage tank 93 are fixedly connected to the connecting plate; a water pumping groove 331 and a water spraying groove 332 are arranged on the side wall of the cleaning channel 33 and close to the third on-off component 42; the widths of the water pumping groove 331 and the water spraying groove 332 are both far smaller than the diameter of the stainless steel ball; the water inlet of the second pump 91 is communicated with the water pumping groove 331 through a water pipe; the water outlet of the second pump 91 is communicated with the top of the water storage tank 93; the water inlet of the third pump 92 is communicated with the bottom of the water storage tank 93; the outlet of the third pump 92 is communicated with the water spraying groove 332.
When the rapid cooling device works, when a stainless steel ball enters the cleaning channel 33 from the rapid cooling channel 32, the second pump 91 and the third pump 92 are controlled by the controller to simultaneously operate, then the second pump 91 pumps cleaning liquid in a cleaning pipeline into the water storage tank 93, further the cleaning liquid in the water storage tank 93 is pumped by the third pump 92 and then is sprayed into the cleaning channel 33 from the water spray tank 332, further the cleaning of the stainless steel ball is realized through the flowing cleaning liquid, and further the cleaning liquid circularly flows through the cooperation of the second pump 91 and the third pump 92, so that the circular cleaning of the stainless steel ball is realized, further the cleaning degree of the surface of the stainless steel ball is improved, and further the effect of the stainless steel ball after heat treatment is prevented from being influenced by the unclean surface after tempering; after the cleaning is finished, the controller controls the third pump 92 to stop running, the cleaning liquid in the cleaning channel 33 is completely pumped into the water storage tank 93 through the second pump 91, after the cleaning liquid in the cleaning channel 33 is completely pumped, the controller controls the second pump 91 to stop running, then the third on-off component 42 is controlled to be opened, the stainless steel ball enters the drying channel 34, after the stainless steel ball passes through the third on-off component 42, the controller controls the third on-off component 42 to be closed, after the third on-off component 42 is closed, the controller controls the third pump 92 to run, and then the cleaning liquid in the water storage tank 93 is injected into the cleaning channel 33 again.
As shown in fig. 11, the water pumping grooves 331 are uniformly spaced at the lowest position of the inner wall of the cleaning passage 33; the water spray grooves 332 are uniformly spaced at the highest position of the inner wall of the cleaning channel 33; the water spray grooves 332 are arranged obliquely.
When the stainless steel ball cleaning device works, the water pumping grooves 331 are arranged at the lowest position of the cleaning channel 33, so that the cleaning liquid in the cleaning channel 33 is completely pumped, and the width of the water pumping grooves 331 is far smaller than the diameter of the stainless steel ball, so that the time for pumping the cleaning liquid in the cleaning channel 33 is shortened by arranging a plurality of water pumping grooves 331, and the reduction of the heat treatment efficiency of the stainless steel ball due to the overlong time required by pumping is avoided; the water spraying groove 332 is arranged at the highest position of the cleaning channel 33, and the water spraying groove 332 is obliquely arranged, so that the turbulence degree of the cleaning liquid in the cleaning channel 33 is increased in the process of spraying water by the water spraying groove 332, the flowing speed of the cleaning liquid on the surface of the stainless steel ball is increased, and the cleanness degree of the surface of the stainless steel ball is improved; meanwhile, water flow sprayed out of the water spraying groove 332 has an effect of blocking the stainless steel ball when the stainless steel ball passes through, so that the impact of the stainless steel ball on the valve core 43 of the third on-off component 42 is reduced.
As shown in fig. 1 to 6, the inlet end of the tempering passage 35 is directly connected to the outlet end of the drying passage 34.
During operation, the inlet end of the tempering channel 35 is directly connected with the outlet end of the drying channel 34, so that when the stainless steel ball passes through the tempering channel 35, the heat dissipated by the stainless steel ball upwards passes through the drying channel 34 along the tempering channel 35 and is exhausted from the air outlet above the drying channel 34, the waste heat in the tempering channel 35 is utilized to dry the stainless steel ball, the energy consumption is further saved, and the cost is further reduced.
As shown in fig. 6 and 12, the intermittent feeding part 2 includes a hopper 21, a motor 22 and a turntable 23; the bottom of the hopper 21 is fixedly connected to the top end of the supporting column 11; the bottom of the hopper 21 is communicated with the heat treatment channel 3; the bottom of the hopper 21 is inclined towards the heat treatment channel 3; a rotary table 23 is arranged in the hopper 21 at a position close to the heat treatment channel 3; the rotary disc 23 is rotatably connected to the hopper 21 through a rotating shaft; the hopper 21 is fixedly connected with a mounting seat of the motor 22; the rotating shaft of the motor 22 is fixedly connected with the rotating shaft; the rotating disc is provided with material separating ports 231 at uniform intervals.
During operation, controller control motor 22 rotates, and then motor 22 drives the axis of rotation and rotates, and then drives carousel 23 and rotate, and then realizes sending into the 3 feed inlets of thermal treatment passageway with stainless steel ball intermittent type nature through branch material mouth 231 on carousel 23, and then avoids the stainless steel ball to pile up in thermal treatment pipeline, and then guarantees that thermal treatment can continuous work.
When the device works, firstly, high-frequency alternating current is introduced into the spiral lead 36, then the stainless steel balls to be heat-treated are placed into the intermittent feeding component, then the controller controls the motor 22 to rotate, further the motor 22 drives the rotating shaft to rotate, further the rotating disc 23 is driven to rotate, further the stainless steel balls are intermittently fed into the feeding hole of the heat treatment channel 3 through the material distribution hole 231 on the rotating disc 23, because the height difference exists at the two ends of the heat treatment channel 3, the feeding end of the heat treatment channel 3 gradually decreases towards the discharging end of the heat treatment channel 3, further the stainless steel balls and the heat treatment channel 3 roll downwards along the heat treatment channel 3 under the action of self gravity, when the stainless steel balls pass through the quenching channel 31, due to the introduction of the high-frequency alternating current into the spiral lead 36, further an alternating magnetic field is generated to generate induced current with the same frequency in a workpiece, and further the skin effect is utilized, the surface of the workpiece is rapidly heated, and the surface of the stainless steel ball is quenched; the quenched stainless steel ball enters the rapid cooling channel 32, when the stainless steel ball reaches the bottom of the rapid cooling channel 32 and contacts with the valve core 43, the first on-off component 4 is controlled to be opened through the controller, then the stainless steel ball and cooling liquid enter a channel between the first on-off component 4 and the second on-off component 41 together, then the first on-off component 4 is closed, further a channel between the first on-off component 4 and the second on-off component 41 forms an independent cavity, then the first pump 8 is controlled to operate through the controller, further the cooling liquid in the cavity is pumped back into the rapid cooling channel 32, when the liquid in the cavity is pumped out, the second on-off component 41 is controlled to be opened by the controller, further the stainless steel ball in the cavity enters the cleaning channel 33, then the second on-off component 41 is controlled to be closed by the controller, and the buffer component 7 is arranged on the valve core 43 in the process, then the spring 71 is compressed under the action of impact force after the stainless steel ball impacts the rubber block 73, and then the stainless steel ball rolls down and contacts the valve core 43, so that a backflushing effect is achieved, further the damage to the valve core 43 when the stainless steel ball rolls down and contacts the valve core 43 is reduced, then the stainless steel ball enters the cleaning channel 33, when the stainless steel ball enters the cleaning channel 33 from the rapid cooling channel 32, the second pump 91 and the third pump 92 are controlled by the controller to operate simultaneously, further the second pump 91 pumps the cleaning liquid in the cleaning pipeline into the water storage tank 93, further the cleaning liquid in the water storage tank 93 is pumped by the third pump 92 and then is sprayed into the cleaning channel 33 from the water spray groove 332, further the stainless steel ball is cleaned by the flowing cleaning liquid, further the cleaning liquid flows circularly by the cooperation of the second pump 91 and the third pump 92, further the stainless steel ball is cleaned circularly, and after the cleaning is finished, the controller controls the third pump 92 to stop operating, and then the second pump 91 is used for pumping all the cleaning liquid in the cleaning channel 33 into the water storage tank 93, after the cleaning liquid in the cleaning channel 33 is completely pumped, the controller controls the second pump 91 to stop running, then the third on-off component 42 is controlled to be opened, after the stainless steel ball passes through the third on-off component 42, the controller controls the third on-off component 42 to be closed, the third on-off component 42 is closed, the controller controls the third pump 92 to run, the cleaning liquid in the water storage tank 93 is injected into the cleaning channel 33 again, the cleaned stainless steel ball enters the drying channel 34 to be dried, the dried stainless steel ball enters the tempering channel 35 to be tempered, and after the tempering treatment is finished, the stainless steel ball rolls out from the outlet end of the tempering channel 35.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A stainless steel ball heat treatment device based on gravity conveying comprises a base (1), a support column (11) and a connecting rod (12); the supporting column (11) is arranged above the base (1); the supporting column (11) is fixedly connected to the base (1); the connecting rods (12) are arranged on the supporting columns (11) at intervals; one section of the connecting rod (12) is fixedly connected to the supporting column (11); the method is characterized in that: the heat treatment equipment also comprises an intermittent feeding part (2) and a heat treatment channel (3); the other end of the connecting rod (12) is connected to the side wall of the heat treatment channel (3); the upper end of the supporting column (11) is provided with the intermittent feeding part (2); the intermittent feeding part (2) is used for intermittently feeding stainless steel balls into the heat treatment channel (3); the height difference exists between the two ends of the heat treatment channel (3), and the height of the feed end of the heat treatment channel (3) gradually decreases towards the discharge end of the heat treatment channel (3); the inner wall of the heat treatment channel (3) is a smooth surface; the feeding end of the heat treatment channel (3) is connected with the intermittent feeding part (2); the heat treatment channel (3) is used for sequentially carrying out quenching, rapid cooling, cleaning, drying and tempering on the stainless steel balls;
the heat treatment channel (3) comprises a quenching channel (31), a rapid cooling channel (32), a cleaning channel (33), a drying channel (34) and a tempering channel (35); the quenching channel (31), the rapid cooling channel (32), the cleaning channel (33), the drying channel (34) and the tempering channel (35) are communicated in sequence; the quenching channel (31) and the tempering channel (35) are both made of high-temperature-resistant ceramics; a lead (36) is arranged in the side walls of the quenching channel (31) and the tempering channel (35); the wire (36) is spirally wound in the side walls of the quenching channel (31) and the tempering channel (35); a first on-off component (4) and a second on-off component (41) are sequentially arranged between the rapid cooling channel (32) and the cleaning channel (33); the first on-off component (4) and the second on-off component (41) are arranged at intervals; a third on-off component (42) is arranged between the cleaning channel (33) and the drying channel (34); the first on-off component (4), the second on-off component (41) and the third on-off component (42) are used for realizing the on-off of the heat treatment channel (3).
2. The stainless steel ball thermal treatment equipment based on gravity conveying of claim 1, wherein: the outer walls of the quenching channel (31) and the tempering channel (35) are both provided with heat-insulating layers (5); a heat insulation layer (51) is arranged on the outer wall of the heat insulation layer (5); electromagnets (6) are arranged at positions close to the heat insulation layer (51) under the quenching channel (31) and the tempering channel (35); the electromagnets (6) are uniformly arranged at intervals along the direction of the quenching channel (31) and the tempering channel (35); a fixed plate (61) is arranged below the electromagnet (6); the electromagnet (6) is fixedly connected to the fixing plate (61); the fixed plate (61) is fixedly connected to the supporting column (11) through the connecting rod (12).
3. The stainless steel ball thermal treatment equipment based on gravity conveying of claim 2, wherein: the first on-off component (4), the second on-off component (41) and the third on-off component (42) are ball valves or gate valves; the first on-off component (4), the second on-off component (41) and the third on-off component (42) are provided with a buffer component (7) on the side wall of the valve core (43) corresponding to the valve body channel opening in a closed state; the buffer component (7) comprises a spring (71), a sliding plate (72) and a rubber block (73); a groove is arranged on the valve core (43); the sliding plate (72) is connected in the groove in a sliding way; the spring (71) is arranged between the sliding plate (72) and the bottom surface of the groove; one end of the spring (71) is fixedly connected to the bottom surface of the groove; the other end of the spring (71) is fixedly connected to the sliding plate (72); a rubber block (73) is arranged on one side of the sliding plate (72) far away from the spring (71); the rubber block (73) is fixedly connected to the sliding block; the outer plane of the rubber block (73) is lower than the side wall of the valve core (43).
4. The stainless steel ball thermal treatment equipment based on gravity conveying of claim 3, wherein: a first narrow groove (81) is formed in the side wall of the channel between the first on-off component (4) and the second on-off component (41); the first narrow groove (81) is positioned on one side of the second on-off component (41), and the lowest end of the first narrow groove (81) is positioned at the lowest point of the inner wall of the channel between the first on-off component (4) and the second on-off component (41); the diameter of the first narrow groove (81) is far smaller than that of the stainless steel ball; a first pump (8) is arranged on the connecting rod (12); the water inlet of the first pump (8) is communicated with the first narrow groove (81) through a water pipe; the water outlet of the first pump (8) is communicated with the quick cooling channel (32) through a water pipe.
5. The stainless steel ball thermal treatment equipment based on gravity conveying of claim 4, wherein: a flushing component (9) is arranged near the cleaning channel (33); the flushing component (9) comprises a second pump (91), a third pump (92), a connecting plate and a water storage tank (93); the connecting plate is fixedly connected to the connecting rod (12); the second pump (91), the third pump (92) and the water storage tank (93) are fixedly connected to the connecting plate; a water pumping groove (331) and a water spraying groove (332) are arranged on the side wall of the cleaning channel (33) and close to the third on-off component (42); the widths of the water pumping groove (331) and the water spraying groove (332) are far smaller than the diameter of the stainless steel ball; a water inlet of the second pump (91) is communicated with the water pumping groove (331) through a water pipe; the water outlet of the second pump (91) is communicated with the top of the water storage tank (93); the water inlet of the third pump (92) is communicated with the bottom of the water storage tank (93); the water outlet of the third pump (92) is communicated with the water spraying groove (332).
6. The stainless steel ball thermal treatment equipment based on gravity conveying of claim 5, wherein: the water pumping grooves (331) are uniformly arranged at the lowest position of the inner wall of the cleaning channel (33) at intervals; the water spraying grooves (332) are uniformly arranged at the highest position of the inner wall of the cleaning channel (33) at intervals; the water spray grooves (332) are obliquely arranged.
7. The stainless steel ball thermal treatment equipment based on gravity conveying of claim 6, wherein: the inlet end of the tempering channel (35) is directly connected with the outlet end of the drying channel (34).
8. The stainless steel ball thermal treatment equipment based on gravity conveying of claim 7, wherein: the intermittent feeding part (2) comprises a hopper (21), a motor (22) and a turntable (23); the bottom of the hopper (21) is fixedly connected to the top end of the supporting column (11); the bottom of the hopper (21) is communicated with the heat treatment channel (3); the bottom of the hopper (21) is inclined towards the heat treatment channel (3); a turntable (23) is arranged in the hopper (21) at a position close to the heat treatment channel (3); the rotary disc (23) is rotationally connected to the hopper (21) through a rotating shaft; the hopper (21) is fixedly connected with a mounting seat of the motor (22); the rotating shaft of the motor (22) is fixedly connected with the rotating shaft; distributing openings (231) are uniformly arranged on the rotating disc at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111305113.9A CN114085981B (en) | 2021-11-05 | 2021-11-05 | Stainless steel ball heat treatment equipment based on gravity conveying |
Applications Claiming Priority (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751218A (en) * | 1980-09-12 | 1982-03-26 | Komatsu Ltd | Method for cooling in heat treatment of ball for grinding |
| CN85109476A (en) * | 1985-12-30 | 1987-04-22 | 王希龙 | Technology for forging and rolling steel ball of high wear resistence and low manganese content |
| CN1165865A (en) * | 1997-03-06 | 1997-11-26 | 西昌市铁工厂 | Heat treatment process of medium-high carbon low alloyed steel forged ball and overhead rollaway type quenching appts. |
| RU2455369C1 (en) * | 2011-05-06 | 2012-07-10 | Открытое акционерное общество "ПРОМКО" | Device and method for heat treatment of balls |
| CN208167046U (en) * | 2018-05-11 | 2018-11-30 | 郑州飞虹热处理设备制造有限公司 | A kind of rotary cooling device suitable for disc type work impewdance matching |
| CN109504842A (en) * | 2018-12-04 | 2019-03-22 | 苏州中门子工业炉科技有限公司 | The dedicated continuous heat drum-type production line of bearing steel ball and technique |
| CN113151659A (en) * | 2021-04-28 | 2021-07-23 | 东阿海鸥钢球有限公司 | Intelligent heat treatment system for steel balls |
-
2021
- 2021-11-05 CN CN202111305113.9A patent/CN114085981B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751218A (en) * | 1980-09-12 | 1982-03-26 | Komatsu Ltd | Method for cooling in heat treatment of ball for grinding |
| CN85109476A (en) * | 1985-12-30 | 1987-04-22 | 王希龙 | Technology for forging and rolling steel ball of high wear resistence and low manganese content |
| CN1165865A (en) * | 1997-03-06 | 1997-11-26 | 西昌市铁工厂 | Heat treatment process of medium-high carbon low alloyed steel forged ball and overhead rollaway type quenching appts. |
| RU2455369C1 (en) * | 2011-05-06 | 2012-07-10 | Открытое акционерное общество "ПРОМКО" | Device and method for heat treatment of balls |
| CN208167046U (en) * | 2018-05-11 | 2018-11-30 | 郑州飞虹热处理设备制造有限公司 | A kind of rotary cooling device suitable for disc type work impewdance matching |
| CN109504842A (en) * | 2018-12-04 | 2019-03-22 | 苏州中门子工业炉科技有限公司 | The dedicated continuous heat drum-type production line of bearing steel ball and technique |
| CN113151659A (en) * | 2021-04-28 | 2021-07-23 | 东阿海鸥钢球有限公司 | Intelligent heat treatment system for steel balls |
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| CN114085981B (en) | 2023-09-29 |
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