CN111254263A - Heat treatment device and process for advancing clutch hub - Google Patents
Heat treatment device and process for advancing clutch hub Download PDFInfo
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- CN111254263A CN111254263A CN201910742975.4A CN201910742975A CN111254263A CN 111254263 A CN111254263 A CN 111254263A CN 201910742975 A CN201910742975 A CN 201910742975A CN 111254263 A CN111254263 A CN 111254263A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 14
- 238000010791 quenching Methods 0.000 claims abstract description 84
- 230000000171 quenching effect Effects 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 105
- 238000005507 spraying Methods 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 26
- 238000005496 tempering Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 18
- 239000010865 sewage Substances 0.000 claims description 16
- 239000000498 cooling water Substances 0.000 claims description 13
- 239000008399 tap water Substances 0.000 claims description 5
- 235000020679 tap water Nutrition 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
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- 241001330002 Bambuseae Species 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052572 stoneware Inorganic materials 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
- C21D1/667—Quenching devices for spray quenching
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- 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
-
- 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
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- Thermal Sciences (AREA)
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- Heat Treatment Of Articles (AREA)
Abstract
The invention provides a heat treatment device for an advancing clutch hub and a process for carrying out heat treatment on the advancing clutch hub by using the heat treatment device for the advancing clutch hub, and belongs to the technical field of metal heat treatment. The quenching device comprises a quenching box and a conveyor belt inserted into the quenching box, wherein two compression trays capable of reciprocating along the horizontal direction and the vertical direction are arranged on the inner wall of the quenching box, and the two compression trays are symmetrically arranged along the center line of the conveyor belt. The high-speed rotation friction block can make product bottom rapid heating up with the bottom friction in the product, and the reverse rotation subassembly can drive the product simultaneously and rotate around the direction opposite with the friction block, and the friction between the lateral wall of product and the friction disc enables product lateral wall temperature rise when the product rotates, makes the bottom and the lateral wall of product be heated more evenly, reduces the product deformation that leads to because of the inhomogeneous production of being heated, and can improve the heating efficiency to the product.
Description
Technical Field
The invention belongs to the technical field of metal heat treatment, and relates to a heat treatment device for an advancing clutch hub and a process for carrying out heat treatment on the advancing clutch hub by using the heat treatment device for the advancing clutch hub.
Background
Heat treatment refers to a metal hot working process in which a material is heated, kept warm, and cooled in a solid state to obtain a desired structure and properties, in the process of advancing from the times of stoneware to the times of bronze and ironware, the heat treatment effect is gradually known, a great deal of time is consumed for heating the advancing clutch hub during the heat treatment in the traditional technology, the production efficiency is greatly reduced, the bearing hub is rapidly heated by rotating the bearing hub at a high speed and enabling the bearing hub to rub against a friction plate in the traditional technology, the shape of the bearing hub is approximate to a cylinder, during friction, all parts of the bearing hub are uniformly heated, and the bottom of the forward clutch hub is thick and has a frictionable side wall but is hollow, so that the forward clutch hub cannot be uniformly heated by the method, and the deformation of the forward clutch hub or the poor quenching effect of some parts of the forward clutch hub can be caused.
In order to overcome the defects of the prior art, people continuously explore and provide various solutions, for example, a Chinese patent discloses a continuous automatic quenching device for an automobile hub, which has the following application numbers: (200710066776.3) the device comprises a quenching water tank 1 which is close to the heat treatment furnace A, a plurality of fork teeth 2 which replace a manipulator are arranged above the quenching water tank 1, a positioning mechanism 7 and a brake 8 are arranged on the fork teeth 2, a water temperature equalizing pipe 3 is arranged at the bottom of the quenching water tank 1, an automatic blanking roller path 4 is arranged close to the upper opening of the quenching water tank 1, and a cooling circulation water tank 6 of a water temperature exchange water pump 5 is arranged. The scheme has the advantages of accurate temperature setting, timing and the like, but also has the defect of slow temperature rise when the product is heated.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a heat treatment apparatus capable of rapidly quenching a forward clutch hub.
In view of the above problems, an object of the present invention is to provide a process for heat-treating a forward clutch hub by a heat treatment apparatus for a forward clutch hub.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a heat treatment device of clutch hub advances, is including quenching the case and inserting the conveyer belt to quenching the incasement, the incasement wall that quenches on be equipped with two and can follow horizontal direction and vertical direction reciprocating motion's the tray that compresses tightly, two central line symmetry settings that compress tightly the tray along the conveyer belt compress tightly on the tray and have the friction disc that matches with the product lateral wall and fit, the top of quenching incasement be equipped with the corresponding position of conveyer belt and match suitable and rotatable clutch blocks with the product inner wall, be equipped with in the friction block and drive the product and rotate the opposite direction rotation subassembly of clutch blocks.
In the above heat treatment device for the advancing clutch hub, the friction block is cylindrical, the reverse rotation component comprises a reverse rotation driver arranged at the center of the friction block, the reverse rotation driver is provided with a rotatable output shaft, the axial lead of the output shaft of the reverse rotation driver coincides with the axial lead of the friction block, the end part of the output shaft of the reverse rotation driver penetrates out of the friction block and can be inserted into a shaft hole of a product, two first clamping grooves symmetrically arranged along the central line of the shaft hole are further arranged on the inner wall of the shaft hole, and two first clamping blocks which can be inserted into the first clamping grooves and are matched with the first clamping grooves are further arranged at the end part of the output shaft of the reverse rotation driver.
In the heat treatment device for the advancing clutch hub, the top in the quenching box is fixedly connected with the forward rotation driver, the forward rotation driver is provided with the rotatable output shaft, the end part of the output shaft of the forward rotation driver is fixedly connected with the top of the friction block, the shaft axis of the output shaft of the forward rotation driver is superposed with the shaft axis of the friction block, and the bottom of the friction block is inserted into the product and is in close fit with the inner wall of the bottom in the product.
In the heat treatment device for the advancing clutch hub, the pressing tray comprises a water spraying seat capable of reciprocating along the horizontal direction and the vertical direction, one side, close to the conveying belt, of the water spraying seat is movably connected with the friction plate, the cross section of the friction plate is in the shape of an arc matched with the outer side wall of a product, a fixing tray which is tightly matched with the bottom of the friction plate is arranged at the position, located on the lower side of the friction plate, of the water spraying seat, an inclined step is arranged at one end, far away from the water spraying seat, of the fixing tray, and the height, close to the water spraying seat, of the;
a plurality of cooling water holes are uniformly formed in the positions, located on the upper side of the friction plate, of the water spraying seat, a cooling flow channel communicated with the cooling water holes is formed in the water spraying seat, a water inlet hose communicated with the cooling flow channel is connected to one side, away from the conveying belt, of the water spraying seat, and one end, away from the water spraying seat, of the water inlet hose penetrates out of the quenching box;
the middle position that the one end of water spray seat is close to the conveyer belt is equipped with a plurality of connecting block, is equipped with No. two draw-in grooves of a plurality of in the connecting block, and the friction disc is kept away from conveyer belt one end and is equipped with No. two fixture blocks of a plurality of and No. two draw-in grooves one-to-one, and No. two fixture blocks can be in No. two draw-in grooves along vertical direction reciprocating motion and the lateral wall of No. two fixture blocks and the inner wall of No..
In the heat treatment device for the advancing clutch hub, the inner wall of the quenching box is movably connected with two clamping drivers which correspond to the water spraying seats one by one and can reciprocate along the vertical direction, each clamping driver is provided with an output shaft which can reciprocate along a straight line, the end part of the output shaft of each clamping driver is fixedly connected with one end, away from the conveyor belt, of the water spraying seat, and the distance between the water spraying seat and the bottom surface of the water spraying seat is greater than the height of the edge stop block of the conveyor belt protruding out of the conveyor belt;
the bottom of the quenching box is fixedly connected with two lifting drivers which are in one-to-one correspondence with the clamping drivers, each lifting driver is provided with an output shaft which can reciprocate along the vertical direction, and the end part of the output shaft of each lifting driver is connected with the clamping driver;
the quenching box is also provided with two T-shaped sliding grooves which correspond to the clamping drivers one to one, and one end, far away from the water spraying seat, of each clamping driver is fixedly connected with a T-shaped sliding block which is inserted into the T-shaped sliding grooves and can reciprocate in the T-shaped sliding grooves in the vertical direction.
In the heat treatment device for the advancing clutch hub, a plurality of feed holes are further formed in the connecting position of the quenching box and the conveyor belt, heat-insulating door slots are formed in the tops of the feed holes, and heat-insulating doors capable of moving back and forth in the vertical direction are arranged in the heat-insulating door slots;
the top of the heat insulation door slot is provided with a chain slot which runs through the quenching box, the top of the chain slot is provided with a rotatable fixed pulley, the top of the quenching box is also provided with a winding driver which is in one-to-one correspondence with the fixed pulley, the winding driver is provided with a rotatable output shaft, the end part of the output shaft of the winding driver is connected with a chain wheel, the chain wheel is hinged and fixed at the top of the quenching box, and the chain wheel is fixedly provided with a hinge which is connected with the top of the heat insulation door by.
In the heat treatment device for the advancing clutch hub, the bottom in the quenching box is also provided with a drainage runner, the top of the drainage runner is provided with a plurality of drainage holes penetrating into the quenching box, the bottom of the drainage runner is provided with a sewage discharge hole, and one end of the sewage discharge hole, which is far away from the drainage runner, is connected with a sewage discharge pipe;
the conveyor belt is also connected with a tempering furnace, and the conveyor belt penetrates through the tempering furnace.
A process for heat treating an advancing clutch hub with a heat treatment apparatus for the advancing clutch hub, the heat treatment of the advancing clutch hub comprising a rapid quenching of the advancing clutch hub and a tempering of the advancing clutch hub, the rapid quenching of the advancing clutch hub comprising the steps of:
the method comprises the following steps: placing the advancing clutch hub on a conveyor belt, opening a heat insulation door through a winding driver, and conveying the advancing clutch hub into a quenching box from a feeding hole through the conveyor belt;
step two: starting the conveyor belt and conveying the advancing clutch hub to a position below the friction block, starting the lifting driver to enable the bottom of the water spraying seat to be higher than an edge stop block of the conveyor belt, then starting the clamping driver, driving the pressing tray to move to a position where the pressing tray is located in the edge stop block of the conveyor belt, starting the lifting driver to enable the fixed tray on the water spraying seat to be flush with the conveyor belt, starting the clamping driver again, transferring the advancing clutch hub to the fixed tray by utilizing the inclined step on the fixed tray, and clamping the advancing clutch hub through the friction plate;
step three: starting the lifting driver again to lift the advancing clutch hub to the position where the shaft hole is flush with the end part of the output shaft of the reverse driver, starting the reverse driver to enable the first clamping block to be aligned with the first clamping groove, starting the lifting driver to drive the advancing clutch hub to continuously rise until the bottom of the friction block is inserted into the product and is in close fit with the inner wall of the bottom in the product, and then inserting the first clamping block into the first clamping groove;
step four: simultaneously turning on a forward rotation driver and a reverse rotation driver, wherein the forward rotation driver drives a friction block to rotate, so that the forward clutch hub is rapidly heated through friction between the friction block and the bottom in the forward clutch hub, an output shaft of the reverse rotation driver drives the forward clutch hub to rotate around the direction opposite to the friction block through a first clamping block inserted into a first clamping groove, and the forward clutch hub is rapidly heated through rotation of the outer side wall of the forward clutch hub and the friction plate;
step five: after the temperature of the advancing clutch hub rises to 1000-;
step six: and (3) putting the water-cooled advancing clutch hub back to the conveyor belt, starting the conveyor belt to convey the advancing clutch hub to the outside of the quenching box, and naturally cooling the advancing clutch hub to 400 ℃ in the air.
In the above-described process for heat-treating the forward clutch hub by the heat treatment apparatus for a forward clutch hub, the forward clutch hub tempering includes the steps of:
step a: starting a conveyor belt to convey the advancing clutch hub naturally cooled in the air into a tempering furnace, and heating the advancing clutch hub to 500-650 ℃;
step b: keeping the heated advancing clutch hub at the temperature for 3-6 hours;
step c: and transferring the heat-insulated advancing clutch hub to the outside of the tempering furnace through a conveyor belt, and naturally cooling the advancing clutch hub in the air.
In the above process for heat-treating the forward clutch hub by using the heat treatment apparatus for the forward clutch hub, in the fifth step, the forward clutch hub is water-cooled when being heated to 1100 degrees, and the quenching water is tap water; naturally cooling the forward clutch hub to 300 ℃ in the air; in step a, heating the forward clutch hub to 630 degrees; in the step b, keeping the heated advancing clutch hub at the temperature for 5 hours;
compared with the prior art, the invention has the advantages that:
1. two cooperation of pressing tightly the tray can press from both sides the product on the conveyer belt and control about going up and down, the cooperation is hugged closely with the product lateral wall to the friction disc, the clutch blocks bottom can insert in the product and hug closely the cooperation with the bottom in the product, it can make product bottom rapid heating up with the bottom friction in the product to rotate the clutch blocks at a high speed, and the contra-rotating subassembly can drive the product simultaneously and rotate around the direction opposite with the clutch blocks, accelerate the relative speed between the bottom in clutch blocks and the product, thereby further accelerate the product intensification, the friction between the lateral wall of product and the friction disc can make product lateral wall temperature rise when the product rotates, make the bottom and the lateral wall of product be heated more evenly, reduce the product deformation that leads to because of the internal stress that the inhomogeneous production of being heated, and.
2. The cross-sectional shape of friction disc is for matching the convex of suitable ability for with the product lateral wall and fully laminating the product outer wall and improve friction efficiency, and the water spray seat can make things convenient for the friction disc to change with friction disc swing joint, and fixed tray can support the product, thereby prevents that the product from reducing and the landing with the frictional force between the friction disc when rotating, thereby slope step can with product bottom cooperation with the product from the conveyer belt transfer to fixed tray on.
3. The external quenching water of water hose, the cross-section of water spray seat are the annular, when cooling off the product, carry out the water-cooling to the product through the cooling runner and the cooling water hole in the water spray seat with the external quenching water of water hose, set up the cooling water hole on water spray seat arc inner wall and can carry out the omnidirectional water-cooling to the product, improve the cooling effect and make each position cooling effect of product keep.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the internal structure provided by the present invention;
FIG. 2 is a plan view of the inside of the quenching tank;
FIG. 3 is a schematic cross-sectional view of the hold-down tray and friction block after product clamping;
FIG. 4 is an enlarged schematic view at A in FIG. 2;
fig. 5 is a top view of the present invention.
In the figure, a quenching box 1, a conveyor belt 2, a pressing tray 3, friction plates 4, friction blocks 5, a reverse rotation assembly 6, a reverse rotation driver 7, a shaft hole 8, a first clamping groove 9, a first clamping block 10, a forward rotation driver 11, a water spraying seat 12, a fixed tray 13, an inclined step 14, a cooling water hole 15, a water inlet hose 16, a connecting block 17, a second clamping groove 18, a second clamping block 19, a clamping driver 20, an edge stop 21, a lifting driver 22, a T-shaped sliding groove 23, a T-shaped sliding block 24, a feeding hole 25, a heat insulation door groove 26, a heat insulation door 27, a chain groove 28, a fixed pulley 29, a winding driver 30, a chain wheel 31, a hinge 32, a drainage flow channel 33, a drainage hole 34, a drainage pipe 35, a sewage treatment box 36 and a tempering furnace.
Detailed Description
As shown in fig. 1 and 2, the heat treatment device for the advancing clutch hub comprises a quenching box 1 and a conveyor belt 2 inserted into the quenching box 1, wherein two pressing trays 3 capable of reciprocating in the horizontal direction and the vertical direction are arranged on the inner wall of the quenching box 1, the two pressing trays 3 are symmetrically arranged along the central line of the conveyor belt 2, friction plates 4 matched with the outer side wall of a product are movably connected onto the pressing trays 3, a friction block 5 matched with the inner wall of the product and capable of rotating is arranged at the position, corresponding to the conveyor belt 2, of the top of the quenching box 1, and a reverse rotation assembly 6 capable of driving the product to rotate and with the rotation direction opposite to that of the friction block 5 is arranged in the friction block 5.
In the embodiment, the conveyor belt 2 can convey products into the quenching box 1, the two pressing trays 3 are matched to clamp the products on the conveyor belt 2 and move up and down and left and right, the friction plates 4 are in close fit with the outer side wall of the products, the bottoms of the friction blocks 5 can be inserted into the products and are in close fit with the bottoms in the products, the friction blocks 5 rotating at a high speed can rub with the bottoms in the products to rapidly heat the bottoms of the products, and the reverse rotating component 6 can simultaneously drive the product to rotate around the direction opposite to the friction block 5, so as to accelerate the relative speed between the friction block 5 and the bottom in the product, thereby further accelerate the product intensification, the friction between the lateral wall of product and friction disc 4 enables the product lateral wall temperature rise when the product rotates, makes the bottom and the lateral wall of product be heated more evenly, reduces the product deformation that leads to because of the internal stress that the inhomogeneous production of being heated, and can improve the heating efficiency to the product.
It will be appreciated by those skilled in the art that the conveyor belt 2 is a roller conveyor belt made of DCY13 heat resistant steel.
The clutch blocks 5 are cylindrical, the reverse rotation component 6 comprises a reverse rotation driver 7 arranged at the center of the clutch blocks 5, the reverse rotation driver 7 is provided with a rotatable output shaft, the axial lead of the output shaft of the reverse rotation driver 7 coincides with the axial lead of the clutch blocks 5, the end part of the output shaft of the reverse rotation driver 7 penetrates through the clutch blocks 5 and can be inserted into a shaft hole 8 of a product, two clamping grooves 9 symmetrically arranged along the central line of the shaft hole 8 are further arranged on the inner wall of the shaft hole 8, and two clamping blocks 10 which can be inserted into the clamping grooves 9 and are matched with the clamping grooves 9 are further arranged at the end part of the output shaft of the reverse rotation driver 7.
In this embodiment, as shown in fig. 3, the end of the output shaft of the reverse driver 7 is inserted into the shaft hole 8, and the first clamping block 10 at the end of the output shaft of the reverse driver 7 is inserted into the first clamping groove 9, so that the output shaft of the reverse driver 7 can drive the product to rotate when the reverse driver 7 works, and the product and the friction plate 4 are heated by friction.
It will be appreciated by those skilled in the art that the reverse rotation actuator 7 may be a rotary cylinder or motor, and preferably a servo motor is used in this embodiment, which can adjust the position of the first latch 10 at a small angle so that the first latch 10 is aligned with the first slot 9.
The top in the quenching box 1 is fixedly connected with a forward rotation driver 11, the forward rotation driver 11 is provided with a rotatable output shaft, the end part of the output shaft of the forward rotation driver 11 is fixedly connected with the top of the friction block 5, the axial lead of the output shaft of the forward rotation driver 11 is superposed with the axial lead of the friction block 5, and the bottom of the friction block 5 is inserted into the product and is closely matched with the inner wall of the bottom in the product.
In this embodiment, as shown in fig. 1 and 3, the forward rotation driver 11 can drive the friction block 5 to rub against the bottom of the product, so as to rapidly raise the temperature of the bottom of the product.
It will be appreciated by those skilled in the art that the forward rotation driver 11 may be a rotary cylinder or a motor, preferably, a motor is used in the present embodiment.
Compress tightly tray 3 including can follow horizontal direction and vertical direction reciprocating motion's water spray seat 12, water spray seat 12 is close to 2 one sides of conveyer belt and 4 swing joint of friction disc, the cross sectional shape of friction disc 4 is for matching the arc that suits with the product lateral wall, it is equipped with 4 bottom of friction disc to lie in the lower side position of friction disc on the water spray seat 12 and hugs closely complex fixed tray 13, fixed tray 13 keeps away from water spray seat 12 one end and is equipped with slope step 14, the height that slope step 14 is close to water spray seat 12 one end is greater than the height that slope step 14 keeps away from water spray seat 12 one end.
In this embodiment, as shown in fig. 2 and fig. 4, the cross-sectional shape of the friction plate 4 is a circular arc shape matched with the outer side wall of the product, so that the outer wall of the product can be sufficiently attached to improve the friction efficiency, the water spray seat 12 and the friction plate 4 are movably connected, so that the friction plate 4 can be conveniently replaced, the fixed tray 13 can support the product, the friction force between the product and the friction plate 4 is reduced and the product can be prevented from sliding down when the product rotates, and the inclined step 14 can be matched with the bottom of the product, so that the product can be transferred to the fixed tray 13.
The position of the upper side of the friction plate 4 on the water spraying seat 12 is evenly provided with a plurality of cooling water holes 15, a cooling flow channel communicated with the cooling water holes 15 is arranged in the water spraying seat 12, one side of the water spraying seat 12 far away from the conveying belt 2 is connected with a water inlet hose 16 communicated with the cooling flow channel, and one end of the water inlet hose 16 far away from the water spraying seat 12 penetrates out of the quenching box 1.
In this embodiment, as shown in fig. 2 and 3, the water inlet hose 16 is externally connected with quenching water, the cross section of the water spraying base 12 is annular, when a product is cooled, the quenching water externally connected with the water inlet hose 16 is used for water cooling of the product through the cooling flow channel in the water spraying base 12 and the cooling water holes 15, and the cooling water holes 15 arranged on the arc-shaped inner wall of the water spraying base 12 can perform all-directional water cooling of the product, so as to improve the cooling effect and maintain the cooling effect of each part of the product.
It will be appreciated by those skilled in the art that the quench water is tap water and the water inlet hose 16 is connected externally to the tap water line.
The middle position that water spray seat 12 is close to the one end of conveyer belt 2 is equipped with a plurality of connecting block 17, is equipped with No. two draw-in grooves of a plurality of 18 in the connecting block 17, and 2 one end of conveyer belt is kept away from to friction disc 4 is equipped with No. two fixture blocks 19 of a plurality of and No. two draw-in grooves 18 one-to-one, and No. two fixture blocks 19 can be in No. two draw-in grooves 18 along vertical direction reciprocating motion and No. two fixture block 19's lateral wall and No. two draw-in grooves.
In this embodiment, as shown in fig. 4, the second fixture block 19 and the second clamping groove 18 can facilitate the installation and the detachment of the friction plate 4, and the side wall of the second fixture block 19 is tightly fitted with the inner wall of the second clamping groove 18 to prevent the friction plate 4 from falling off during operation.
Two clamping drivers 20 which are in one-to-one correspondence with the water spraying seats 12 and can reciprocate along the vertical direction are movably connected to the inner wall of the quenching box 1, each clamping driver 20 is provided with an output shaft which can reciprocate along a straight line, the end part of the output shaft of each clamping driver 20 is fixedly connected with one end, far away from the conveyor belt 2, of each water spraying seat 12, the distance between each water spraying seat 12 and the bottom surface of each water spraying seat 12 is larger than the height of the edge stop block 21 of each conveyor belt 2 protruding out of the conveyor belt 2, two lifting drivers 22 which are in one-to-one correspondence with the clamping drivers 20 are fixedly connected to the bottom of the quenching box 1, each lifting driver 22 is provided with an output shaft which can.
In this embodiment, as shown in fig. 2, thereby press from both sides tight driver 20 and can drive water spray seat 12 and press from both sides the product tightly along vertical direction reciprocating motion, lift driver 22 is located and presss from both sides tight driver 20 below, thereby lift driver 22 can drive lift driver 22 and drive the product along vertical direction reciprocating motion, press from both sides tight driver 20 and lift driver 22 cooperation and can drive to compress tightly tray 3 and transfer the product to compressing tightly tray 3 from conveyer belt 2 on, the distance between water spray seat 12 and the water spray seat 12 bottom surface is greater than the height that the marginal dog 21 of conveyer belt 2 protrudes conveyer belt 2 and can prevent to press from both sides tight driver 20 and lift driver 22 cooperation and transfer the product from conveyer belt 2 to compressing tightly tray 3 on the output shaft that presss from both sides tight driver 20 and marginal dog 21 take place to collide with.
It will be appreciated by those skilled in the art that the clamping actuator 20 can be a hydraulic cylinder, pneumatic cylinder, linear motor, etc., and preferably a linear motor having a relatively light weight and a controllable stroke is used in the present embodiment, and the lifting actuator 22 can be a hydraulic cylinder, pneumatic cylinder, etc., and preferably a hydraulic cylinder is used in the present embodiment.
The quenching box 1 is further provided with two T-shaped sliding grooves 23 which correspond to the clamping drivers 20 one by one, and one end of each clamping driver 20, which is far away from the water spraying seat 12, is fixedly connected with a T-shaped sliding block 24 which is inserted into the T-shaped sliding groove 23 and can reciprocate in the T-shaped sliding groove 23 along the vertical direction.
In this embodiment, as shown in fig. 2, the T-shaped sliding slot 23 and the T-shaped sliding block 24 cooperate to limit the vertical movement of the clamping driver 20.
A plurality of feeding holes 25 are further formed in the connection position of the quenching box 1 and the conveyor belt 2, a heat insulation door groove 26 is formed in the top of each feeding hole 25, and a heat insulation door 27 capable of reciprocating in the vertical direction is arranged in each heat insulation door groove 26.
In this embodiment, as shown in fig. 1, the feeding hole 25 can facilitate feeding, and the heat insulation door 27 can seal and insulate heat during operation.
The top of the heat insulation door groove 26 is provided with a chain groove 28 penetrating through the quenching box 1, the top of the chain groove 28 is provided with a rotatable fixed pulley 29, the top of the quenching box 1 is further provided with a winding driver 30 corresponding to the fixed pulley 29 one by one, the winding driver 30 is provided with a rotatable output shaft, the end part of the output shaft of the winding driver 30 is connected with a chain wheel 31, the chain wheel 31 is hinged and fixed at the top of the quenching box 1, and the chain wheel 31 is fixedly wound with a hinge 32, the other end of which is wound on the fixed pulley 29 and connected with the top of the.
In this embodiment, and as shown in FIG. 1, the wire winding drive 30 is operable to rotate the sprocket 31, and the sprocket 31 is operable to pull the door 27 upwardly via the hinge 32 to open the feed opening 25.
It will be appreciated by those skilled in the art that the wire winding drive 30 may be a rotary cylinder or a motor, preferably, a motor is used in this embodiment.
The bottom in the quenching box 1 is also provided with a drainage flow passage 33, the top of the drainage flow passage 33 is provided with a plurality of drainage holes 34 penetrating into the quenching box 1, the bottom of the drainage flow passage 33 is provided with a sewage discharge hole 34, and one end of the sewage discharge hole 34 far away from the drainage flow passage 33 is connected with a sewage discharge pipe 35.
In this embodiment, as shown in fig. 1, the drain pipe 35 is externally connected to a sewage treatment tank 36, and water in the quenching tank 1 can flow into the drain runner 33 from the drain hole 34 and then flow into the sewage treatment tank 36 through the drain hole 34 and the drain pipe 35.
It should be understood by those skilled in the art that the sewage treatment tank 36 is a conventional technology, and comprises a filter screen and a bamboo charcoal adsorption screen, and can intercept and recover metal particles generated by friction in sewage and reuse the rest water.
The conveyor belt 2 is also connected with a tempering furnace 38, and the conveyor belt 2 penetrates through the tempering furnace 38.
In this embodiment, as shown in fig. 5, the tempering furnace 38 can heat and insulate the product to eliminate brittleness of the product after hardening by quenching.
It will be appreciated by those skilled in the art that the tempering furnace 38 may be a commercially available medium temperature tempering furnace such as those available from Jiangsu constant force furnace, Inc., having a maximum temperature of up to 650 ℃.
The heat treatment of the advancing clutch hub comprises a rapid quenching of the advancing clutch hub and a tempering of the advancing clutch hub, the rapid quenching of the advancing clutch hub comprising the steps of:
the method comprises the following steps: the advancing clutch hub is placed on the conveyor belt 2, the heat insulation door 27 is opened by the winding drive 30, and the advancing clutch hub is conveyed from the feed hole 25 into the quenching tank 1 by the conveyor belt 2.
Step two: starting the conveyor belt 2 and conveying the forward clutch hub to a position below the friction block 5, starting the lifting driver 22 to enable the bottom of the water spray seat 12 to be higher than the edge stop 21 of the conveyor belt 2, then starting the clamping driver 20, enabling the clamping driver 20 to drive the pressing tray 3 to move until the pressing tray 3 is located at a position where the conveyor belt 2 is located in the edge stop 21, starting the lifting driver 22 to enable the fixed tray 13 on the water spray seat 12 to be flush with the conveyor belt 2, starting the clamping driver 20 again, transferring the forward clutch hub to the fixed tray 13 by utilizing the inclined step 14 on the fixed tray 13, and clamping the forward clutch hub through the friction plate 4;
step three: the lifting driver 22 is started again to lift the advancing clutch hub to the position where the shaft hole 8 is flush with the end part of the output shaft of the reverse driver 7, the reverse driver 7 is started to enable the first clamping block 10 to be aligned with the first clamping groove 9, the lifting driver 22 is started to drive the advancing clutch hub to continuously rise until the bottom of the friction block 5 is inserted into a product and is in close fit with the inner wall of the bottom in the product, and at the moment, the first clamping block 10 is inserted into the first clamping groove 9;
step four: simultaneously turning on a forward rotation driver 11 and a reverse rotation driver 7, wherein the forward rotation driver 11 drives a friction block 5 to rotate, so that the forward clutch hub is rapidly heated through friction between the friction block 5 and the bottom in the forward clutch hub, an output shaft of the reverse rotation driver 7 drives the forward clutch hub to rotate around the direction opposite to the friction block 5 through a first clamping block 10 inserted into a first clamping groove 9, and the forward clutch hub is rapidly heated through rotation of the outer side wall of the forward clutch hub and a friction plate 4;
step five: after the temperature of the advancing clutch hub rises to 1000-;
step six: and (3) putting the water-cooled forward clutch hub back to the conveyor belt 2, starting the conveyor belt 2 to convey the forward clutch hub out of the quenching box 1, and naturally cooling the forward clutch hub to 400 ℃ in the air.
In this embodiment, as shown in fig. 1 to 4, the quenching process can rapidly quench the forward clutch hub, and each part of the forward clutch hub is uniformly heated, so that the production efficiency and the product quality can be effectively improved.
The advancing clutch hub flashback includes the steps of:
step a: the conveyor 2 is started to transport the forward clutch hub, which is naturally cooled in air, into the tempering furnace 38, heating the forward clutch hub to 500 and 650 degrees.
Step b: the heated forward clutch hub is held at temperature for 3-6 hours.
Step c: the warmed forward clutch hub is transferred out of the tempering furnace 38 by the conveyor belt 2, and the forward clutch hub is naturally cooled in air.
In the fifth step, the advancing clutch hub is cooled by water when heated to 1100 ℃, the quenching water is tap water, in the sixth step, the advancing clutch hub is naturally cooled to 300 ℃ in the air, in the first step, the advancing clutch hub is heated to 630 ℃, and in the second step, the heated advancing clutch hub is kept warm for 5 hours.
The working principle of the invention is that the winding driver 30 is started, the winding driver 30 drives the chain wheel 31 to rotate, the chain wheel 31 rotates to pull the heat insulation door 27 to move upwards through the hinge 32 so as to open the feed hole 25, the conveyor belt 2 is started and the product is conveyed to the position below the friction block 5, then the winding driver 30 is started to close the feed hole 25, the lifting driver 22 is started to make the bottom of the water spray seat 12 higher than the edge stop 21 of the conveyor belt 2, then the clamping driver 20 is started, the clamping driver 20 drives the pressing tray 3 to move until the pressing tray 3 is positioned at the position of the conveyor belt 2 in the edge stop 21, the lifting driver 22 is started to make the fixed tray 13 on the water spray seat 12 level with the conveyor belt 2, the clamping driver 20 is started again and the product is transferred to the fixed tray 13 by utilizing the inclined step 14 on the fixed tray 13, and the product is, the lifting driver 22 is started again to lift the product to the position where the shaft hole 8 is flush with the end part of the output shaft of the reverse driver 7, the reverse driver 7 is started to enable the first clamping block 10 to be aligned with the first clamping groove 9, the lifting driver 22 is started to drive the product to continuously rise until the bottom of the friction block 5 is inserted into the product and is in close fit with the inner wall of the bottom in the product, at the moment, the first clamping block 10 is inserted into the first clamping groove 9, the forward driver 11 and the reverse driver 7 are opened simultaneously, the forward driver 11 drives the friction block 5 to rotate, the product is rapidly heated through friction between the friction block 5 and the bottom in the product, the output shaft of the reverse driver 7 drives the product to rotate around the direction opposite to the friction block 5 through the first clamping block 10 inserted into the first clamping groove 9, the product is rapidly heated through rotation between the outer side wall of the product and the friction, quenching water externally connected with a water inlet hose 16 cools a product through a cooling flow channel and a cooling water hole 15 in a water spraying seat 12, the water-cooled product is placed back to a conveying belt 2, the conveying belt 2 is started to convey the product to the outside of a quenching box 1, the product is naturally cooled to 300 ℃ in the air, the conveying belt 2 is started to convey the product naturally cooled in the air to a tempering furnace 38, the product is heated to 630 ℃, the heated advancing clutch hub is insulated for 5 hours, the insulated advancing clutch hub is transferred to the outside of the tempering furnace 38 through the conveying belt 2 to naturally cool the advancing clutch hub in the air, two pressing trays are matched to clamp the product on the conveying belt and move up and down and left and right, a friction plate is closely matched with the outer side wall of the product, the bottom of the friction block can be inserted into the product and closely matched with the bottom in the product, a high-speed rotating friction block can drive the friction block to rub with the bottom in the product through a reverse rotating assembly, so that the Temperature, and reverse rotation subassembly can drive the product simultaneously and rotate around the direction opposite with the clutch blocks for relative speed between the bottom in clutch blocks and the product, thereby further accelerate the product intensification, friction between the lateral wall of product and the friction disc enables the product lateral wall temperature rise when the product rotates, the bottom and the lateral wall that make the product are heated more evenly, reduce the product deformation that leads to because of the inhomogeneous production of being heated, and can improve the heating efficiency to the product.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although terms such as the quenching tank 1, the conveyor belt 2, the pressing tray 3, the friction plate 4, the friction block 5, the reverse rotation component 6, the reverse rotation driver 7, the shaft hole 8, the first clamping groove 9, the first clamping block 10, the forward rotation driver 11, the water spray seat 12, the fixed tray 13, the inclined step 14, the cooling water hole 15, the water inlet hose 16, the connecting block 17, the second clamping groove 18, the second clamping block 19, the clamping driver 20, the edge stop 21, the lifting driver 22, the T-shaped sliding groove 23, the T-shaped sliding block 24, the feeding hole 25, the heat insulation door groove 26, the heat insulation door 27, the chain groove 28, the fixed pulley 29, the winding driver 30, the chain wheel 31, the hinge 32, the drainage flow passage 33, 34, the sewage discharge pipe 35, the sewage treatment tank 36, the tempering furnace 38 and the like are used more frequently, the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The utility model provides a heat treatment device of clutch hub advances, is including quenching case (1) and insert conveyer belt (2) to quenching case (1) in, its characterized in that, quenching case (1) inner wall on be equipped with two and can follow horizontal direction and vertical direction reciprocating motion compress tightly tray (3), two central line symmetry settings along conveyer belt (2) that compress tightly tray (3), compress tightly tray (3) and go up swing joint and have friction disc (4) that match with the product lateral wall and fit, top and conveyer belt (2) corresponding position in quenching case (1) be equipped with and match fit with the product inner wall and rotatable clutch blocks (5), be equipped with in clutch blocks (5) and drive the product and rotate and reverse rotation subassembly (6) that direction is opposite with clutch blocks (5).
2. The heat treatment apparatus of a forward clutch hub of claim 1, friction block (5) be cylindrical, reverse rotation subassembly (6) are including setting up reversal driver (7) in friction block (5) center department, reversal driver (7) have rotatable output shaft, the axial lead of the output shaft of reversal driver (7) and the axial lead coincidence of friction block (5), the output shaft tip of reversal driver (7) runs through outside friction block (5) and can insert to the shaft hole (8) of product, still be equipped with No. one draw-in groove (9) that two central line symmetries along shaft hole (8) set up on the inner wall of shaft hole (8), the output shaft tip of reversal driver (7) still is equipped with two and can insert in a draw-in groove (9) and match a fixture block (10) that suits with a draw-in groove (9).
3. The heat treatment device for the advancing clutch hub is characterized in that a forward rotation driver (11) is fixedly connected to the top in the quenching box (1), the forward rotation driver (11) is provided with a rotatable output shaft, the end of the output shaft of the forward rotation driver (11) is fixedly connected with the top of the friction block (5), the axial lead of the output shaft of the forward rotation driver (11) is overlapped with the axial lead of the friction block (5), and the bottom of the friction block (5) is inserted into a product and is in close fit with the inner wall of the bottom in the product.
4. The heat treatment device for the advancing clutch hub according to any one of claims 1 to 3, wherein the pressing tray (3) comprises a water spraying seat (12) capable of reciprocating in the horizontal direction and the vertical direction, one side of the water spraying seat (12) close to the conveyor belt (2) is movably connected with the friction plate (4), the cross section of the friction plate (4) is in a circular arc shape matched with the outer side wall of a product, a fixed tray (13) which is tightly matched with the bottom of the friction plate (4) is arranged on the water spraying seat (12) at the lower side of the friction plate (4), an inclined step (14) is arranged at one end of the fixed tray (13) far away from the water spraying seat (12), and the height of one end, close to the water spraying seat (12), of the inclined step (14) is greater than that of one end, far away from the water spraying seat (12);
a plurality of cooling water holes (15) are uniformly formed in the water spraying seat (12) and positioned on the upper side of the friction plate (4), a cooling flow channel communicated with the cooling water holes (15) is arranged in the water spraying seat (12), a water inlet hose (16) communicated with the cooling flow channel is connected to one side, away from the conveyor belt (2), of the water spraying seat (12), and one end, away from the water spraying seat (12), of the water inlet hose (16) penetrates out of the quenching box (1);
the middle position that water spray seat (12) is close to the one end of conveyer belt (2) is equipped with a plurality of connecting block (17), is equipped with No. two draw-in grooves of a plurality of (18) in connecting block (17), and conveyer belt (2) one end is kept away from in friction disc (4) is equipped with No. two fixture blocks (19) of a plurality of and No. two draw-in grooves (18) one-to-one, and No. two fixture blocks (19) can be in No. two draw-in grooves (18) along vertical direction reciprocating motion and No. two lateral walls of fixture block (19) and the inner wall of No. two draw-in.
5. The heat treatment device for the advancing clutch hub is characterized in that two clamping drivers (20) which correspond to the water spraying seats (12) in a one-to-one mode and can reciprocate in the vertical direction are movably connected to the inner wall of the quenching box (1), each clamping driver (20) is provided with an output shaft which can reciprocate in a straight line, the end portion of the output shaft of each clamping driver (20) is fixedly connected with one end, far away from the conveyor belt (2), of each water spraying seat (12), and the distance between each water spraying seat (12) and the bottom surface of each water spraying seat (12) is larger than the height of the edge stop block (21) of each conveyor belt (2) protruding out of the conveyor belt (2);
the bottom of the quenching box (1) is fixedly connected with two lifting drivers (22) which are in one-to-one correspondence with the clamping drivers (20), each lifting driver (22) is provided with an output shaft which can reciprocate along the vertical direction, and the end part of the output shaft of each lifting driver (22) is connected with the clamping drivers (20);
the quenching box (1) is further provided with two T-shaped sliding grooves (23) which correspond to the clamping drivers (20) one to one, and one ends, far away from the water spraying seats (12), of the clamping drivers (20) are fixedly connected with T-shaped sliding blocks (24) which are inserted into the T-shaped sliding grooves (23) and can reciprocate in the T-shaped sliding grooves (23) in the vertical direction.
6. The heat treatment device for the advancing clutch hub according to any one of claims 1 to 5, characterized in that a plurality of feeding holes (25) are further formed at the connection part of the quenching box (1) and the conveyor belt (2), the tops of the feeding holes (25) are provided with heat insulation door slots (26), and heat insulation doors (27) capable of reciprocating in the vertical direction are arranged in the heat insulation door slots (26);
thermal-insulated door slot (26) top is equipped with chain groove (28) that run through quenching case (1), and chain groove (28) top is equipped with rotatable fixed pulley (29), quenching case (1) top still be equipped with fixed pulley (29) one-to-one wire winding driver (30), wire winding driver (30) have rotatable output shaft, the output shaft tip of wire winding driver (30) even has sprocket (31), sprocket (31) are articulated to be fixed at quenching case (1) top, fixed on sprocket (31) around being equipped with the other end around establishing fixed pulley (29) and with hinge (32) that insulated door (27) top links to each other.
7. The heat treatment device for the advancing clutch hub according to claim 4, characterized in that a drainage flow channel (33) is further arranged at the bottom in the quenching box (1), a plurality of drainage holes (34) penetrating into the quenching box (1) are formed in the top of the drainage flow channel (33), a sewage discharge hole (34) is formed in the bottom of the drainage flow channel (33), and a sewage discharge pipe (35) is connected to one end, far away from the drainage flow channel (33), of the sewage discharge hole (34);
the conveyor belt (2) is also connected with a tempering furnace (38), and the conveyor belt (2) penetrates through the tempering furnace (38).
8. A process for heat treating an advancing clutch hub using a heat treatment apparatus for an advancing clutch hub, wherein the heat treatment of the advancing clutch hub comprises a rapid quenching of the advancing clutch hub and a tempering of the advancing clutch hub, the rapid quenching of the advancing clutch hub comprising the steps of:
the method comprises the following steps: placing the advancing clutch hub on the conveyor belt (2), opening the thermal insulation door (27) by means of a winding drive (30), and conveying the advancing clutch hub from the feed hole (25) into the quenching box (1) by means of the conveyor belt (2);
step two: starting the conveyor belt (2) and conveying the advancing clutch hub to a position below the friction block (5), starting a lifting driver (22) to enable the bottom of a water spraying seat (12) to be higher than an edge stop block (21) of the conveyor belt (2), then starting a clamping driver (20), enabling the clamping driver (20) to drive a pressing tray (3) to move until the pressing tray (3) is located at a position where the conveyor belt (2) is located in the edge stop block (21), starting the lifting driver (22) to enable a fixed tray (13) on the water spraying seat (12) to be flush with the conveyor belt (2), starting the clamping driver (20) again, transferring the advancing clutch hub to the fixed tray (13) by utilizing an inclined step (14) on the fixed tray (13), and clamping the advancing clutch hub through the friction plate (4);
step three: the lifting driver (22) is started again to lift the advancing clutch hub to the position where the shaft hole (8) is flush with the end part of the output shaft of the reverse driver (7), the reverse driver (7) is started to enable the first clamping block (10) to be aligned with the first clamping groove (9), the lifting driver (22) is started to drive the advancing clutch hub to continuously rise until the bottom of the friction block (5) is inserted into a product and is tightly attached and matched with the inner wall of the bottom in the product, and at the moment, the first clamping block (10) is inserted into the first clamping groove (9);
step four: simultaneously turning on a forward rotation driver (11) and a reverse rotation driver (7), wherein the forward rotation driver (11) drives a friction block (5) to rotate, so that the forward clutch hub is rapidly heated through friction between the friction block (5) and the bottom in the forward clutch hub, an output shaft of the reverse rotation driver (7) drives the forward clutch hub to rotate around the direction opposite to that of the friction block (5) through a first clamping block (10) inserted into a first clamping groove (9), and the forward clutch hub is rapidly heated through rotation of the outer side wall of the forward clutch hub and a friction plate (4);
step five: after the temperature of the advancing clutch hub rises to 1000-;
step six: and (3) putting the water-cooled advancing clutch hub back to the conveyor belt (2), starting the conveyor belt (2) to convey the advancing clutch hub to the outside of the quenching box (1), and naturally cooling the advancing clutch hub to 400 ℃ in the air.
9. The process for heat treating a forward clutch hub using a heat treatment apparatus for a forward clutch hub as set forth in claim 8, wherein the forward clutch hub tempering comprises the steps of:
step a: starting a conveyor belt (2) to convey the forward clutch hub naturally cooled in the air into a tempering furnace (38), and heating the forward clutch hub to 500-650 ℃;
step b: keeping the heated advancing clutch hub at the temperature for 3-6 hours;
step c: and transferring the forward clutch hub after heat preservation to the outside of a tempering furnace (38) through a conveyor belt (2), and naturally cooling the forward clutch hub in the air.
10. The process for heat-treating the advancing clutch hub by using the heat-treating device for the advancing clutch hub according to claim 9, wherein in the fifth step, the advancing clutch hub is water-cooled when being heated to 1100 degrees, and the quenching water is tap water; naturally cooling the forward clutch hub to 300 ℃ in the air; in step a, heating the forward clutch hub to 630 degrees; in step b, the heated advancing clutch hub is held for 5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910742975.4A CN111254263A (en) | 2019-08-13 | 2019-08-13 | Heat treatment device and process for advancing clutch hub |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910742975.4A CN111254263A (en) | 2019-08-13 | 2019-08-13 | Heat treatment device and process for advancing clutch hub |
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| CN111254263A true CN111254263A (en) | 2020-06-09 |
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| CN201910742975.4A Pending CN111254263A (en) | 2019-08-13 | 2019-08-13 | Heat treatment device and process for advancing clutch hub |
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| CN112899462A (en) * | 2021-01-20 | 2021-06-04 | 常州朱美拉模具技术有限公司 | Ring die heat treatment process and processing equipment thereof |
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