CN108004379A - The application method of quenching unit - Google Patents
The application method of quenching unit Download PDFInfo
- Publication number
- CN108004379A CN108004379A CN201711238579.5A CN201711238579A CN108004379A CN 108004379 A CN108004379 A CN 108004379A CN 201711238579 A CN201711238579 A CN 201711238579A CN 108004379 A CN108004379 A CN 108004379A
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- metal works
- furnace
- vacuum
- rollover stand
- vacuum furnace
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
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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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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention belongs to technical field of heat treatment, specifically discloses a kind of application method of quenching unit, comprises the following steps：(1) check device；(2) metal works are placed in preheating furnace and preheated；(3) metal works for preheating completion are placed on rollover stand, open electric heating wire and vacuum pump, the gas in vacuum furnace is extracted out；(4) after metal works are heated to fixed temperature, the metal works heated are artificially transferred to oil quenching bath, and preheated metal works are added on rollover stand；(5) vacuum pump, gas bleeding are started after new metal works are automatically replenished in vacuum furnace；(6) after a period of time, pressure valve is again turned on, and the metal works on rollover stand are transferred to oil quenching bath, and the metal works in preheating furnace are transferred on rollover stand, so circulation.Using the present patent application method, charging can be automatically replenished, metal works are sent into oil quenching bath automatically after the completion of metal works heating, improve processing efficiency.
Description
Technical field
The invention belongs to technical field of heat treatment, more particularly to a kind of application method of quenching unit.
Background technology
Need that metal works are carried out the heat treatment such as to quench before metal works are finished, quenching is first to add product
Heat arrive certain temperature, the preheated one-section time, be then heated to more than critical-temperature, insulation a period of time, make product whole or
Partial saturation, is then as cold as below Ms (or isothermal near Ms) with the cooling rate more than critical cooling rate and carries out martensite soon
The heat treatment process of (or bainite) transformation.
Common heating furnace is mostly push-down heating furnace in heat treatment, which relies on the screw of stove tail at work
Pusher moves back and forth, and metal works are pushed into heat in stove by the feed inlet of stove afterbody；Discharge method is discharged using side,
During discharging, discharging door is opened, and the push rod of extractor, which reaches, releases whole siege in stove, then tilts siege, by siege
Metal works fall into oil quenching bath and quench.Since during pan feeding and discharging, which will open corresponding stove
Door, or even need, by whole siege release furnace body, to cause a large amount of cold airs suctions and steam leakage, result in huge in discharging
Big thermal loss, so the thermal efficiency is very low.
To solve the above-mentioned problems, the Chinese invention patent of Publication No. CN102206734A discloses a kind of new quenching
Stove, including furnace body, quenching unit and fume extractor, the fume extractor are arranged on furnace body front end；The quenching unit and furnace body
Discharge port is tightly connected, and the furnace body discharge port is equipped with discharging switch and driving discharging switch makees going out for periodicity folding
Expect driving mechanism for switch.The invention can avoid energy loss of the traditional heating stove during charging, discharging, save the energy.
But there are problems with during use：1st, part must be preheated, heating in furnace body is sent into after preheating, it is fixed to be needed after heating
When open discharging switch, operation it is cumbersome.2nd, artificially supplement charging always is needed.
The content of the invention
It is an object of the invention to provide a kind of application method of quenching unit, charging, metal works can be automatically replenished
Metal works are sent into oil quenching bath automatically after the completion of heating.
In order to achieve the above object, base case of the invention is：The application method of quenching unit, quenching unit on to
Under include preheating furnace, vacuum furnace and oil quenching bath successively, preheating furnace is equipped with smoke evacuation valve, and it is oblique to be equipped with charging in preheating furnace
Section, the upper wall of vacuum furnace are equipped with unilateral gate, feed the side that oblique section is located at unilateral gate, being fixed with unilateral gate prevents from feeding
The baffle that metal works slide in oblique section；Rollover stand is equipped with vacuum furnace, rollover stand is equipped with electric heating wire, rollover stand bag
Rotating cylinder and four pieces of returning face plates that unilateral gate can be jacked up are included, returning face plate is uniformly fixed in the circumferential direction of rotating cylinder；Drum rotation connects
In vacuum furnace, the distance of rotating cylinder to unilateral gate is less than the length of returning face plate；The left side of vacuum furnace lower wall be equipped with
The pressure valve of oil quenching bath connection, the right side of vacuum furnace lower wall are equipped with discharging structure, and discharging structure includes spring, is fixed on
The support plate of vacuum drying oven lower wall and the voussoir adjacent with vacuum furnace right side wall, voussoir are slidably connected under vacuum furnace
Wall；One end of spring is connected on voussoir, and the other end connects on the supporting plate；It is equipped with vacuum furnace and is used to limit rollover stand
The buffer structure of rotation, buffer structure include being hinged on the brake plate on the right side of vacuum furnace inner wall, brake plate and heating in vacuum
Tension spring is connected between stove inner wall；Vacuum furnace is externally provided with vacuum pump, and the import of vacuum pump is connected with vacuum furnace, vacuum
The outlet of pump is connected with preheating furnace；
The application method of quenching unit comprises the following steps：
(1) before using the present apparatus, each parts of first check device, it is ensured that device being capable of normal operation；
(2) metal works are placed in the oblique section of charging of preheating furnace and are preheated；
(3) metal works completed will be preheated to be placed on rollover stand, make that metal works are located above rollover stand two pieces
Between returning face plate；Electric heating wire and vacuum pump are opened, vacuum pump extracts the gas in vacuum furnace out；
(4) after metal works are heated to fixed temperature, the metal works heated are artificially transferred to oil quenching bath, and
Preheated metal works are added on rollover stand at the same time；After metal works enter oil quenching bath, substantial amounts of high temperature oil is produced
Cigarette, after a period of time, the pressure increase of oil quenching bath, pressure valve automatically opens up, and high-temperature oil smoke enters in vacuum furnace and pushes away
The lateral movement to the right of dynamic returning face plate, the metal works on returning face plate fall, are transferred in oil quenching bath；At the same time, in preheating furnace
Metal works add on returning face plate；
(5) vacuum pump is started after new metal works are automatically replenished in vacuum furnace, by the gas in vacuum furnace
Extraction；
(6) after a period of time, pressure valve is again turned on, and high-temperature oil smoke promotes rollover stand to move, the metal work on rollover stand
Part is transferred to oil quenching bath, and the metal works in preheating furnace are transferred on rollover stand, so circulation.
The operation principle of this base case is：Before the present apparatus, device is checked, it is ensured that device can be normal
Metal works are placed in the oblique section of charging of preheating furnace after operation and are preheated.Gold is put on toward the rollover stand of vacuum furnace
After metal work-pieces, all need that vacuum furnace is evacuated to the state of near vacuum using vacuum pump.When using this quenching unit for the first time,
Preheated metal work is placed on rollover stand, between making two pieces of returning face plates that metal works are located above rollover stand, then
Electric heating wire and vacuum pump are opened, vacuum pump extracts the gas in vacuum furnace out, vacuum furnace is in an approximation
In the environment of vacuum, electric heating wire transfers heat to metal works by way of contact.When metal works are heated to fix
After temperature, artificially the metal works heated are transferred in oil quenching bath, and preheated metal works are added to and are turned over
On pivoted frame.After metal works enter oil quenching bath, the rise of oily temperature, produces substantial amounts of high-temperature oil smoke, the pressure in oil quenching bath
Strong gradually increase, after a period of time, the pressure in oil quenching bath increases to the preset value of pressure valve, and pressure valve is opened, quenching oil
Pond is connected with vacuum furnace, and due near vacuum in vacuum furnace, there are huge between oil quenching bath and vacuum furnace
Pressure difference, the high-temperature oil smoke in oil quenching bath enters in vacuum furnace, and high-temperature oil smoke is contacted with returning face plate, promotion rollover stand
The lateral movement to the right of the returning face plate of upside, the metal works on returning face plate slide downwards along returning face plate, fall on voussoir.In gold
Under the gravity of metal work-pieces, voussoir overcomes the active force of spring and slide downward, voussoir are transferred to outside vacuum furnace, due to
Inclined-plane is in the upper surface of voussoir and is slid under gravity without the stop of heating in vacuum furnace sidewall, metal works at this time
Into oil quenching bath, after metal works are fallen, in the active force of spring, voussoir resets.At the same time, in the mistake of returning face plate movement
Cheng Zhong, returning face plate are gradually contacted with unilateral gate, and returning face plate applies active force to unilateral gate, opens unilateral gate, at this time unilateral gate
On baffle away from the metal works for feeding oblique section, due to the stop without baffle, the metal works fed in oblique section are downward
Slide, by unilateral gate subsequently into vacuum furnace, metal works fall on the returning face plate of rotation, and returning face plate drives metal
Workpiece is rotated up, and the stop of buffer structure is encountered after returning face plate have rotated 90 degree, due to the power of high-temperature oil smoke at this time
Weaken, returning face plate cannot overcome the stop of buffer structure and continue to move.When the pressure in oil quenching bath be again increased to it is default
During value, pressure valve is again turned on, and high-temperature oil smoke promotes rollover stand to move, and the metal works on rollover stand are transferred to oil quenching bath,
The metal works fed in oblique section are transferred on rollover stand, so circulation.
The beneficial effect of this base case is：
1st, after metal works are transferred to oil quenching bath, the high-temperature oil smoke produced in oil quenching bath can drive rollover stand to carry out
Upset, falls the metal works on rollover stand, is automatically transferred to by discharging structure in oil quenching bath, at the same time can also be made
Metal works in preheating furnace are automatically transferred on rollover stand, are realized and are automatically replenished, shift metal works automatically, lower significantly
The labor intensity of worker.
2nd, after pressure valve is opened, high-temperature oil smoke is entered in vacuum furnace by pressure valve, at the same time in preheating furnace
Metal works are transferred on rollover stand, need to carry out vacuumize process to vacuum furnace at this time, vacuum pump is by vacuum furnace
High-temperature oil smoke be evacuated in preheating furnace, high-temperature oil smoke preheats metal works, makes full use of the resource in system, effectively section
The upper wall of the energy 3, preheating furnace is saved equipped with smoke evacuation valve, when the pressure in preheating furnace is bigger than outside pressure, valve just meeting of discharging fume
Open, discharge excessive gas, under normal conditions, smoke evacuation valve is in closed state, avoids the heat in preheating furnace from distributing
To the external world.
Further, the exhaust gases passes connected with vacuum pump discharge are equipped with preheating furnace, exhaust gases passes connect with feeding oblique section
It is logical.The high-temperature oil smoke of vacuum pumped is entered by exhaust gases passes feeds oblique section, and the design of exhaust gases passes causes high-temperature oil smoke to have
Relatively-stationary moving conduit, enables high-temperature oil smoke to be fully warmed-up metal works.
Further, fixed column is equipped with vacuum furnace, drum rotation is connected in fixed column, and cunning is provided with fixed column
Groove；Be slidably connected the wedge-shaped telescopic block of restricted rotating cylinder lateral movement to the left in the sliding slot, connects between wedge-shaped telescopic block and sliding slot
It is connected to compression spring；The inner wall of rotating cylinder is equipped with 4 card slots that can coordinate with telescopic block, and card slot is uniformly distributed along the inner wall of rotating cylinder.High temperature
When oil smoke drives drum rotation by returning face plate, due to the setting of wedge-shaped telescopic block so that rotating cylinder can only be toward fixed direction-right side
Side rotates so that rollover stand is more stablized；And after rotation has overturn 90 degree, card slot is engaged, it is necessary to apply with wedge-shaped telescopic block
The power of increasing can just rotate returning face plate, and high-temperature oil smoke is short of power to drive returning face plate to rotate at this time, it is ensured that returning face plate
90 degree are only rotated every time.
Further, the block that limitation voussoir moves upwards is equipped with vacuum furnace.When use vacuum pump is to heating in vacuum
During stove evacuation, since, there are pressure difference, voussoir has the trend moved upwards inside and outside vacuum furnace, the setting of block limits
The movement of voussoir, avoids voussoir from moving upwards and makes spring excessive tensile, cause spring breaking down.
Further, the one end of returning face plate away from rotating cylinder is fixed with for accepting holding from the metal works fed under oblique paragraph
Fishplate bar.High-temperature oil smoke promote returning face plate rotate during, unilateral gate opens up, originally positioned at lower left returning face plate by
Gradually it is flipped up, feeds the metal works in oblique section in this process and fall on the returning face plate, the setting of bearing plate can be kept away
Exempt from the metal works during returning face plate rotates and skid off returning face plate.
Brief description of the drawings
Fig. 1 is the structure diagram of quenching unit embodiment of the present invention；
Fig. 2 is the structure diagram of fixing axle and rotating cylinder in Fig. 1.
Embodiment
Below by embodiment, the present invention is described in further detail：
Reference numeral in Figure of description 1 to 2 includes：Preheating furnace 10, smoke evacuation valve 11, the oblique section 12 of charging, flue gas lead to
Road 13, metal works 20, vacuum furnace 30, unilateral gate 31, baffle 311, fixed column 40, compression spring 41, wedge-shaped telescopic block 42, turn over
Flap 50, bearing plate 51, oil quenching bath 60, voussoir 70, spring 71, support plate 72, brake plate 80, tension spring 81, rotating cylinder 90, card slot
91。
The application method of quenching unit, as shown in Figure 1 and Figure 2, quenching unit, includes preheating furnace 10, true successively from top to bottom
Empty heating furnace 30 and the oil quenching bath 60 of closing, the upper wall of preheating furnace 10 are equipped with the smoke evacuation valve 11 that can only be opened up, smoke evacuation
Elastic component is connected between valve 11 and preheating furnace 10.Under normal circumstances, smoke evacuation valve 11 is closed, the heat in preheating furnace 10
The external world cannot be lost to, when the pressure in preheating furnace 10 increases to a certain extent, under the influence of air pressure, 11 grams of valve of discharging fume
Take the active force of elastic component and open, discharge gas unnecessary in preheating furnace 10.It is equipped with preheating furnace 10 and feeds oblique section 12 and cigarette
Gas passage 13, exhaust gases passes 13 are connected with feeding the lower end of oblique section 12, and metal works 20 are placed in the oblique section 12 of charging.Vacuum adds
The upper wall of hot stove 30 is hinged with the unilateral gate 31 that can only be opened up, after unilateral gate 31 is opened, preheating furnace 10 and vacuum furnace
30 connections.The left side that oblique section 12 is located at unilateral gate 31 is fed, the one end of unilateral gate 31 away from hinge joint is fixed with baffle 311, should
Baffle 311 can be contacted with feeding the metal works 20 in oblique 12 lower end of section, under the action of baffle 311, be fed golden in oblique section 12
Metal work-pieces 20 cannot slide.Rollover stand is equipped with vacuum furnace 30, rollover stand is equipped with electric heating wire, and motor heated filament is used to add
Thermometal workpiece 20.Rollover stand includes fixing axle, the rotating cylinder 90 being rotatably connected in fixing axle and be fixed on rotating cylinder 90 four
Block returning face plate 50, fixing axle are fixed in vacuum furnace 30, and the distance of fixing axle to unilateral gate 31 is less than the length of returning face plate 50
Degree.Four pieces of returning face plates 50 are uniformly distributed along the circumferential direction of rotating cylinder 90, and the one end of returning face plate 50 away from rotating cylinder 90 is fixed with bearing plate 51,
When the setting of bearing plate 51 make it that returning face plate 50 is overturn, returning face plate 50 can accept the metal works fallen from the oblique section 12 of charging
20, avoid metal works 20 from sliding.Under normal circumstances, four pieces of returning face plates 50 can be entirely located in vacuum furnace 30, when turning over
When flap 50 rotates, the returning face plate 50 on rollover stand can only be contacted with unilateral gate 31, with the rotation of returning face plate 50, returning face plate 50
Can be open-top by unilateral gate 31, the baffle 311 on unilateral gate 31 is away from the metal works 20 for feeding oblique section 12 at this time, due to without
The stop of baffle 311, feeds 20 slide downward of metal works in oblique section 12, can be added by unilateral gate 31 subsequently into vacuum
In hot stove 30.Sliding slot is provided with fixed column 40, the wedge-shaped telescopic block for the restricted lateral movement to the left of rotating cylinder 90 that is slidably connected in sliding slot
42, it is connected with compression spring 41 between wedge-shaped telescopic block 42 and sliding slot；The inner wall of rotating cylinder 90, which is equipped with 4, to be coordinated with wedge-shaped telescopic block 42
Card slot 91, card slot 91 is uniformly distributed along the inner wall of rotating cylinder 90.When high-temperature oil smoke drives the rotation of rotating cylinder 90 by returning face plate 50, by
In the setting of wedge-shaped telescopic block 42 so that rotating cylinder 90 can only turn right rotation, after returning face plate 50 has overturn 90 degree, card slot 91 with
Wedge-shaped telescopic block 42 engages, and needing to apply larger power at this time just can be rotated further returning face plate 50.
Buffer structure is equipped with vacuum furnace 30, buffer structure includes being hinged on the system on the right side of 30 inner wall of vacuum furnace
Movable plate 80, is connected with tension spring 81 between 30 inner wall of brake plate 80 and vacuum furnace.When one of bearing plate 51 end with
When the upper surface of brake plate 80 just contacts, wherein the space that two pieces of bearing plates 51 surround faces unilateral gate 31.Brake plate 80
Returning face plate 50 can be stablized to a certain extent, avoid returning face plate 50 from continuing to rotate to the right.A left side for 30 lower wall of vacuum furnace
Side is equipped with the pressure valve connected with oil quenching bath 60, and pressure valve is opposite with the returning face plate 50 on the left of rollover stand, when oil quenching bath 60
When interior pressure increases to the preset value of pressure valve, pressure valve can automatically open up.The right side of 30 lower wall of vacuum furnace is equipped with
Metal works 20 are sent into the discharging structure of oil quenching bath 60, discharging structure includes spring 71, is fixed on the branch of vacuum drying oven lower wall
Fagging 72 and the voussoir 70 adjacent with 30 right side wall of vacuum furnace, voussoir 70 are slidably connected at the lower wall of vacuum furnace 30
On；The upper surface of voussoir 70 tilts down for inclined-plane and inclined-plane towards right side, and one end of spring 71 is connected on voussoir 70, the other end
It is connected in support plate 72.Block is fixed with the right side of 30 inner wall of vacuum furnace, block can limit voussoir 70 and move upwards.Very
Empty heating furnace 30 is externally provided with vacuum pump, and the import of vacuum pump is connected with vacuum furnace 30, and outlet and the flue gas of vacuum pump lead to
Road 13 connects.
The application method of quenching unit comprises the following steps：
(1) before using the present apparatus, each parts of first check device, it is ensured that device being capable of normal operation；
(2) metal works are placed in the oblique section of charging of preheating furnace and are preheated；
(3) metal works completed will be preheated to be placed on rollover stand, make that metal works are located above rollover stand two pieces
Between returning face plate；Electric heating wire and vacuum pump are opened, vacuum pump extracts the gas in vacuum furnace out；
(4) after metal works are heated to fixed temperature, the metal works heated are artificially transferred to oil quenching bath, and
Preheated metal works are added on rollover stand at the same time；After metal works enter oil quenching bath, substantial amounts of high temperature oil is produced
Cigarette, after a period of time, the pressure increase of oil quenching bath, pressure valve automatically opens up, and high-temperature oil smoke enters in vacuum furnace and pushes away
The lateral movement to the right of dynamic returning face plate, the metal works on returning face plate fall, are transferred in oil quenching bath；At the same time, in preheating furnace
Metal works add on returning face plate；
(5) vacuum pump is started after new metal works are automatically replenished in vacuum furnace, by the gas in vacuum furnace
Extraction；
(6) after a period of time, pressure valve is again turned on, and high-temperature oil smoke promotes rollover stand to move, the metal work on rollover stand
Part is transferred to oil quenching bath, and the metal works in preheating furnace are transferred on rollover stand, so circulation.
Above-described is only the embodiment of the present invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as embodiment can be used for the content for explaining claim.
Claims (5)
1. the application method of quenching unit, it is characterised in that：Quenching unit includes preheating furnace, vacuum furnace successively from top to bottom
And oil quenching bath, preheating furnace are equipped with valve of discharging fume, are equipped with preheating furnace and feed oblique section, the upper wall of vacuum furnace is equipped with unidirectionally
Door, feeds the side that oblique section is located at unilateral gate, the baffle for preventing feeding that metal works slide in oblique section is fixed with unilateral gate；Very
Rollover stand is equipped with empty heating furnace, rollover stand is equipped with electric heating wire, and rollover stand, which includes rotating cylinder and four pieces, to jack up unilateral gate
Returning face plate, returning face plate is uniformly fixed in the circumferential direction of rotating cylinder；Drum rotation is connected in vacuum furnace, rotating cylinder to unilateral gate
Distance be less than returning face plate length；The left side of vacuum furnace lower wall is equipped with the pressure valve connected with oil quenching bath, and vacuum adds
The right side of hot stove lower wall is equipped with discharging structure, and discharging structure includes spring, is fixed on the support plate and and vacuum of vacuum drying oven lower wall
The adjacent voussoir of heating furnace right side wall, voussoir are slidably connected at the lower wall of vacuum furnace；One end of spring is connected on voussoir,
The other end connects on the supporting plate；The buffer structure for being used for limiting rollover stand rotation, buffer structure bag are equipped with vacuum furnace
The brake plate being hinged on the right side of vacuum furnace inner wall is included, tension spring is connected between brake plate and vacuum furnace inner wall；Vacuum
Heating furnace is externally provided with vacuum pump, and the import of vacuum pump is connected with vacuum furnace, and the outlet of vacuum pump is connected with preheating furnace；
The application method of quenching unit comprises the following steps：
(1) before using the present apparatus, each parts of first check device, it is ensured that device being capable of normal operation；
(2) metal works are placed in the oblique section of charging of preheating furnace and are preheated；
(3) metal works for preheating completion are placed on rollover stand, two pieces of upsets for making metal works be located above rollover stand
Between plate；Electric heating wire and vacuum pump are opened, vacuum pump extracts the gas in vacuum furnace out；
(4) after metal works are heated to fixed temperature, the metal works heated are artificially transferred to oil quenching bath, and at the same time
Preheated metal works are added on rollover stand；After metal works enter oil quenching bath, substantial amounts of high-temperature oil smoke is produced, one
After the section time, the pressure increase of oil quenching bath, pressure valve automatically opens up, and high-temperature oil smoke enters in vacuum furnace and promotes upset
Plate lateral movement to the right, the metal works on returning face plate fall, are transferred in oil quenching bath；At the same time, the metal in preheating furnace
Workpiece is added on returning face plate；
(5) start vacuum pump after new metal works are automatically replenished in vacuum furnace, the gas in vacuum furnace is extracted out；
(6) after a period of time, pressure valve is again turned on, and high-temperature oil smoke promotes rollover stand to move, and the metal works on rollover stand turn
Move on to oil quenching bath, the metal works in preheating furnace are transferred on rollover stand, so circulation.
2. the application method of quenching unit according to claim 1, it is characterised in that：It is equipped with preheating furnace and is arranged with vacuum pump
The exhaust gases passes of outlet, exhaust gases passes are connected with feeding oblique section.
3. the application method of quenching unit according to claim 2, it is characterised in that：It is equipped with and fixes in vacuum furnace
Column, drum rotation are connected in fixed column, and sliding slot is provided with fixed column；Restricted rotating cylinder is slidably connected in the sliding slot to the left
The wedge-shaped telescopic block of movement, compression spring is connected between wedge-shaped telescopic block and sliding slot；The inner wall of rotating cylinder, which is equipped with 4, to match somebody with somebody with telescopic block
The card slot of conjunction, card slot are uniformly distributed along the inner wall of rotating cylinder.
4. the application method of quenching unit according to claim 3, it is characterised in that：Limitation wedge is equipped with vacuum furnace
The block that block moves upwards.
5. the application method of quenching unit according to claim 4, it is characterised in that：The one end of returning face plate away from rotating cylinder is consolidated
Surely it is useful for accepting the bearing plate from the metal works under oblique paragraph are fed.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411092A (en) * | 2018-05-31 | 2018-08-17 | 重庆伟福机械有限公司 | Crankshaft Machining quenching unit |
| CN109593931A (en) * | 2018-12-05 | 2019-04-09 | 马鞍山市万鑫铸造有限公司 | A kind of quenching unit |
| CN112960639A (en) * | 2021-03-24 | 2021-06-15 | 林飞 | Phosphorus unloading system of yellow phosphorus tank car and tank car heating method of phosphorus unloading system |
| CN113046537A (en) * | 2021-03-17 | 2021-06-29 | 衢州捷鑫化工设备有限公司 | Production system and production process of metal screw |
| CN113061694A (en) * | 2021-03-22 | 2021-07-02 | 金震 | Quenching system and quenching process of metal screw |
| CN113510135A (en) * | 2021-05-07 | 2021-10-19 | 马真真 | New quick cleaning device of pneumonia ward medical waste |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202148336U (en) * | 2011-03-18 | 2012-02-22 | 苏州安科节能技术有限责任公司 | Novel special processing furnace for grinding balls |
| JP2014031543A (en) * | 2012-08-03 | 2014-02-20 | Koyo Thermo System Kk | Hardening apparatus |
| CN104164552A (en) * | 2014-08-08 | 2014-11-26 | 苏州中门子科技有限公司 | Quenching system used in steel ball production |
| CN107177727A (en) * | 2017-04-27 | 2017-09-19 | 重庆市永川区益锐机械有限责任公司 | Blade pump rotor quenching unit |
-
2017
- 2017-11-30 CN CN201711238579.5A patent/CN108004379B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202148336U (en) * | 2011-03-18 | 2012-02-22 | 苏州安科节能技术有限责任公司 | Novel special processing furnace for grinding balls |
| JP2014031543A (en) * | 2012-08-03 | 2014-02-20 | Koyo Thermo System Kk | Hardening apparatus |
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