CN107177728B - Glowing furnace for blade pump rotor - Google Patents
Glowing furnace for blade pump rotor Download PDFInfo
- Publication number
- CN107177728B CN107177728B CN201710289233.1A CN201710289233A CN107177728B CN 107177728 B CN107177728 B CN 107177728B CN 201710289233 A CN201710289233 A CN 201710289233A CN 107177728 B CN107177728 B CN 107177728B
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- China
- Prior art keywords
- coil
- pump rotor
- section
- blade pump
- flat section
- Prior art date
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- Expired - Fee Related
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Classifications
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present patent application belongs to the equipment technical field of heat treatment, specifically discloses a kind of glowing furnace for blade pump rotor, including furnace body, and furnace body includes preheating chute section and heated flat section；Discharging unit is equipped in heated flat section, discharging unit includes spring, sliding block, first coil and the second coil；The bottom of heated flat section is equipped with discharge port and sliding slot, and sliding block is slidably connected on the chute；The upper wall of heated flat section is fixed with telescopic rod, and the lower part of telescopic rod is fixed with movable plate；One end of spring is connected on sliding block, and the other end connects on the chute；First coil and the second coil are located in different sliding blocks, and one end of first coil is fixed on the upper wall in heated flat section, and the other end is connect with the second coil, and the other end of the second coil is fixed on the upper surface of movable plate.Using the present invention, it can judge whether blade pump rotor fully heats, after blade pump rotor heating is abundant, discharge port automatically opens so that blade pump rotor falls in quenching unit and cooled down.
Description
Technical field
The invention belongs to the equipment technical field of heat treatment more particularly to a kind of glowing furnaces for blade pump rotor.
Background technology
Vane pump is that the blade in rotor slot is in contact with pump case, by the liquid of sucking from oil inlet side pressure to oil extraction side
Pump.Pump is made of components such as rotor, stator, blade, oil distribution casing and end caps.It is needed before being finished to blade pump rotor to turning
Son carries out the heat treatment such as quenching, and quenching is first to heat product to certain temperature, then the preheated one-section time is heated to critical
More than temperature, heat preservation a period of time, make product all or part austenitizing, then with fast more than the cooling rate of critical cooling rate
It is as cold as Ms or less (or isothermal near Ms) and carries out the heat treatment process that martensite (or bainite) changes.
The heating furnace of traditional mode of production blade pump rotor mostly uses push-down heating furnace, which relies on stove tail at work
Screw pusher move back and forth, blade pump rotor is pushed into heat in stove by the feed inlet of stove tail portion；Discharge method is adopted
It being discharged with side, when discharging, discharging door is opened, and the push rod of extractor, which reaches, releases entire siege in stove, then tilts siege,
Blade pump rotor in siege is fallen into quenching apparatus and is quenched.Since during pan feeding and discharging, which will
It opens corresponding fire door, or even needs in discharging entire siege releasing furnace body, a large amount of cold airs is caused to suck and hot gas
It is excessive, huge thermal loss is resulted in, 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 novel quenching
Stove, including furnace body, quenching unit and fume extractor, the fume extractor are set to furnace body front end；It is characterized in that：The quenching dress
It sets and is tightly connected with the discharge port of furnace body, and the furnace body discharge port is equipped with discharging switch and driving discharging switch makees the period
Property folding discharging driving mechanism for switch.The invention can avoid energy loss of traditional heating stove during charging, discharging,
Save the energy.But there is also following defects：1, since difference, heating are same for the degree of each blade pump rotor preheating
Time, the possible abundant austenitizing of a part of product, the possible austenitizing of another part product is incomplete, turns according only to vane pump
The time of son heating judges whether blade pump rotor heats and fully there is unreasonable place.2, it is fixed to be needed after the completion of heat parts
When open discharging switch, it is cumbersome.
Invention content
The purpose of the present invention is providing a kind of glowing furnace for blade pump rotor, can judge whether blade pump rotor fills
Divide and heat, after blade pump rotor heating is abundant, discharge port automatically opens so that blade pump rotor falls the interior progress of quenching unit
It is cooling.
In order to achieve the above object, base case of the invention is：For the glowing furnace of blade pump rotor, including furnace body,
Unit and fume extraction unit are quenched, furnace body includes the preheating chute section being connected and heated flat section, preheats chute section and heated flat
The junction of section is equipped with partition board that can be up and down, and the front end for preheating chute section is equipped with feeding gate；Fume extraction unit is oblique with preheating
The top of slot section is connected to, and quenching unit is located at the lower section of furnace body；Discharging unit is equipped in heated flat section, discharging unit includes bullet
Spring, sliding block, first coil and the second coil；The bottom of heated flat section is equipped with discharge port and is located at left and right sides of discharge port
The cross section of sliding slot, sliding slot is rectangle, and towards discharge port, sliding block is slidably connected on the chute the opening of sliding slot；Heated flat section
Upper wall is fixed with telescopic rod, and the lower part of telescopic rod is fixed with movable plate；One end of spring is connected on the side of sliding block, the other end
It is connected on the one end of sliding slot far from discharge port；First coil and the second coil are located in different sliding blocks, first coil
One end be fixed on the upper wall in heated flat section across sliding block, the other end is connect with the second coil close to one end of discharge port,
The other end of two coil is fixed on the upper surface of movable plate across sliding block.
The front end for preheating chute section is equipped with feeding gate, and the front end for preheating chute section refers to what preheating chute section tilted upward
One end.
The operation principle of this base case is：When needing to quench blade pump rotor, operation dividing plate keeps preheating oblique
Slot section separates with heated flat section.Blade pump rotor is entered by feeding gate in the preheating chute section of furnace body, then in preheating skewed slot
It is preheated in section.When blade pump rotor is after preheating, operation dividing plate, partition board is movable downwards, preheats chute section and heated flat
Duan Liantong, blade pump rotor are tumbled under gravity into heated flat section, and partition board is movable upwards at this time, will be preheated again oblique
Slot section completely cuts off with heated flat section.Blade pump rotor is heated in heated flat section, and blade pump rotor is constantly expanded because of heated,
When blade pump rotor is expanded into fixed volume, blade pump rotor has been sufficiently heated, at this time blade pump rotor and movable plate
Bottom surface contact, blade pump rotor by movable plate to telescopic rod apply active force, so that telescopic rod is constantly shunk, until movable plate with
The upper wall of heated flat section contacts, and is fixed on one end of the first coil of heated flat section upper wall at this time and is fixed on movable plate upper surface
The second coil end thereof contacts, first coil is connected to form complete circuit with the second coil.First under the action of electric current
Coil and the second coil generate magnetic field, and first coil is identical as the magnetic field of the opposite end of the second coil, therefore in magnetic field
Under the action of, first coil and the second coil are mutually exclusive, are moved to the side far from discharge port with movable slider, ram extrusion bullet
Spring, discharge port opening, blade pump rotor are fallen by discharge port into quenching unit at this time.
The advantageous effect of this base case is：
1, when partition board moves downward, preheating chute section is connected to heated flat section, and the high temperature hot gas that heated flat section generates can
It is transferred in preheating chute section, the blade pump rotor in preheating chute section is preheated, the energy is made full use of, reduces energy
Waste.
2, due to the degree difference of each blade pump rotor preheating, the same time is heated in heated flat section,
The possible abundant austenitizing of a part of product, the possible austenitizing of another part product is incomplete, exists according only to blade pump rotor
The time heated in heated flat section judges whether blade pump rotor heats and fully there is unreasonable place.Blade pump rotor heats
The degree of its volume expansion is certain after fully, and the degree expanded according to blade pump rotor can determine whether what blade pump rotor was come out of the stove
Opportunity.The present invention is become larger using blade pump rotor swelling volume, and first coil is made to be connected to form complete circuit with the second coil,
And then discharge port is opened, so that blade pump rotor is come out of the stove, avoids blade pump rotor and heat insufficient or over-heating and make production
Product generate defect.
3, after blade pump rotor heating is abundant, blade pump rotor applies pressure to movable plate, makes first coil and second
Coil is connected to form complete circuit, and discharge port automatically opens, and blade pump rotor is transferred in quenching unit, is not required to artificially carry out
Operation, it is convenient and efficient.
Further, quenching unit includes the oil sump for filling quenching oil, the lower seal of oil sump and furnace body；Preheat chute section
Lower surface is provided with multiple through-holes.Discharge port is opened, and blade pump rotor is fallen in oil sump under gravity, and oil sump can be splash
The spray, incomplete quench oil are entered by discharge port in heated flat section, and quenching oil plays the role of lubrication to sliding block so that sliding block energy
It is enough to be slided well along sliding slot.When quenching simultaneously, the temperature of quenching oil can be increased instantaneously, generate a large amount of oil vapour, and oil steams
Vapour will be transferred to by through-hole in preheating chute section, be preheated to blade pump rotor, be without the use of additional heating equipment, have
Effect saves the energy.
Further, the lower part of furnace body be equipped with motor and the cam for driving partition board up and down, the output shaft of motor with
Cam connects.Start motor, motor band moving cam rotate, with the movement of cam, partition board is also up and down therewith, when partition board to
When lower movement, preheating chute section is connected to heated flat section, and the blade pump rotor preheated in chute section can be transferred to heated flat section
It is interior.
Further, fume extraction unit includes smoke outlet and smoke exhaust ventilator, and smoke exhaust ventilator is fixed on the exit of smoke outlet.Oil pumping
The setting of smoke machine can effectively collect the oil smoke being discharged from smoke outlet, avoid oil smoke direct emission pollution environment.
Further, upper wall of the upper articulation of feeding gate in preheating chute section.
Description of the drawings
Fig. 1 is structural schematic diagram of the present invention for the glowing furnace embodiment of blade pump rotor.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Oil sump 1, furnace body 2, preheating chute section 21, through-hole 211, feeding gate
212, heated flat section 22, movable plate 221, telescopic rod 222, sliding slot 223, first coil 224, sliding block 225, the second coil 226, bullet
Spring 227, smoke outlet 3, cam 4, partition board 41.
As shown in Figure 1, the glowing furnace for blade pump rotor, including furnace body 2, quenching unit and fume extraction unit, furnace body 2 wrap
The preheating chute section 21 being connected and heated flat section 22 are included, the junction flexible connection of chute section 21 and heated flat section 22 is preheated
There is partition board 41.The lower part of furnace body 2 be equipped with motor and the cam 4 for driving partition board 41 up and down, the output shaft of motor with it is convex
4 connection of wheel starts motor, and motor band moving cam 4 rotates, and with the movement of cam 4, partition board 41 is also up and down therewith.Preheating
The left end of chute section 21 is equipped with feeding gate 212, and the upper articulation of feeding gate 212 is in the upper wall for preheating chute section 21.Fume extraction unit
It is connected to the top of preheating chute section 21, fume extraction unit includes smoke outlet 3 and smoke exhaust ventilator, and smoke exhaust ventilator is fixed on smoke outlet 3
Exit, start smoke exhaust ventilator can collect oil smoke be discharged from smoke outlet 3, avoid oil smoke direct emission pollute environment.
Quenching unit is located at the lower section of furnace body 2, and quenching unit includes the oil sump 1 for filling quenching oil, and oil sump 1 and the lower part of furnace body 2 are closed.
The lower surface of preheating chute section 21 is provided with multiple through-holes 211, and oil sump 1 is connected by through-hole 211 with preheating chute section 21.Heated flat
Discharging unit is equipped in section 22, discharging unit includes spring 227, sliding block 225, first coil 224 and the second coil 226；Heating
The cross section of the sliding slot 223 that the bottom of flat section 22 is equipped with discharge port and is located at left and right sides of discharge port, the sliding slot 223 is square
Shape is open towards discharge port, and sliding block 225 is slidably connected on sliding slot 223.The upper wall of heated flat section 22 is fixed with telescopic rod 222,
The lower part of telescopic rod 222 is fixed with movable plate 221, applies upward power to movable plate 221, and telescopic rod 222 can be made to shrink.Spring
227 one end is connected on the side of sliding block 225, and the other end is connected on the one end of sliding slot 223 far from discharge port, normal state
Under, under the action of spring 227, the sliding slot 223 at left and right sides of discharge port fits together, and jointly blocks discharge port.
First coil 224 and the second coil 226 are located in different sliding blocks 225, and one end of first coil 224 passes through sliding block 225
The upper wall being fixed in heated flat section 22, the other end is connect with the second coil 226 close to one end of discharge port, and the second coil
226 other end is fixed on the upper surface of movable plate 221 across sliding block 225.When first coil 224 is connected to the second coil 226
When, first coil 224 and the second coil 226 form complete circuit and generate electric current, under the action of electric current first coil 224 with
Second coil 226 generates magnetic field, and first coil 224 is identical as the magnetic field of opposite end of the second coil 226.
Before being quenched to blade pump rotor, operation motor makes partition board 41 move upwards, and preheats chute section 21 and heated flat
Section 22 completely cuts off.Blade pump rotor enters the preheating chute section 21 of furnace body 2 by feeding gate 212, is carried out in preheating chute section 21
Preheating.When blade pump rotor is after preheating, the activity downwards of partition board 41, preheating chute section 21 is set to be connected to heated flat section 22, leaf
Piece pump rotor is tumbled under gravity into heated flat section 22, and the activity upwards of partition board 41, will preheat chute section again at this time
21 completely cut off with heated flat section 22.Blade pump rotor is heated in heated flat section 22, is constantly expanded because heated, blade pump rotor
When being expanded into fixed volume, blade pump rotor is contacted with the bottom surface of movable plate 221, applies active force to movable plate 221 so that
Movable plate 221 is contacted with the upper wall of heated flat section 22, be fixed at this time one end of the first coil 224 of 22 upper wall of heated flat section with
The end thereof contacts of the second coil 226 of 221 upper surface of movable plate are fixed on, first coil 224 is connected to formation with the second coil 226
Complete circuit.Under the action of electric current, first coil 224 and the second coil 226 generate magnetic field, first coil 224 and
The magnetic field of the opposite end of two coil 226 is identical, therefore under the influence of a magnetic field, first coil 224 and 226 phase of the second coil
Mutually repel, moved to the side far from discharge port with movable slider 225, sliding block 225 squeezes spring 227, and discharge port is opened at this time, leaf
Piece pump rotor is fallen by discharge port into being quenched in oil sump 1.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, 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 all do not interfere with what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific implementation mode can be used for explaining the content of claim.
Claims (5)
1. for the glowing furnace of blade pump rotor, including furnace body, quenching unit and fume extraction unit, furnace body include be connected it is pre-
Hot chute section and heated flat section preheat the junction of chute section and heated flat section equipped with partition board that can be up and down, and preheating is tiltedly
The front end of slot section is equipped with feeding gate；Fume extraction unit is connected to the top of preheating chute section, and quenching unit is located at the lower section of furnace body；Its
It is characterized in that, discharging unit is equipped in heated flat section, discharging unit includes spring, sliding block, first coil and the second coil；Heating
The cross section of the sliding slot that the bottom of flat section is equipped with discharge port and is located at left and right sides of discharge port, sliding slot is rectangle, sliding slot
Towards discharge port, sliding block is slidably connected on the chute opening；The upper wall of heated flat section is fixed with telescopic rod, and the lower part of telescopic rod is solid
Surely there is movable plate；One end of spring is connected on the side of sliding block, and the other end is connected on the one end of sliding slot far from discharge port；The
One coil and the second coil are located in different sliding blocks, and one end of first coil is fixed on across sliding block in heated flat section
Upper wall, the other end are connect with the second coil close to one end of discharge port, and the other end of the second coil is fixed on movement across sliding block
The upper surface of plate.
2. being used for the glowing furnace of blade pump rotor as described in claim 1, which is characterized in that quenching unit includes filling quenching
The oil sump of oil, the lower seal of oil sump and furnace body；The lower surface of preheating chute section is provided with multiple through-holes.
3. as described in claim 1 be used for blade pump rotor glowing furnace, which is characterized in that the lower part of furnace body be equipped with motor and
The output shaft of cam for driving partition board up and down, motor is connect with cam.
4. as described in claim 1 be used for blade pump rotor glowing furnace, which is characterized in that fume extraction unit include smoke outlet and
Smoke exhaust ventilator, smoke exhaust ventilator are fixed on the exit of smoke outlet.
5. being used for the glowing furnace of blade pump rotor as described in claim 1, which is characterized in that the upper articulation of feeding gate is pre-
The upper wall of hot chute section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710289233.1A CN107177728B (en) | 2017-04-27 | 2017-04-27 | Glowing furnace for blade pump rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710289233.1A CN107177728B (en) | 2017-04-27 | 2017-04-27 | Glowing furnace for blade pump rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107177728A CN107177728A (en) | 2017-09-19 |
| CN107177728B true CN107177728B (en) | 2018-07-17 |
Family
ID=59832620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710289233.1A Expired - Fee Related CN107177728B (en) | 2017-04-27 | 2017-04-27 | Glowing furnace for blade pump rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107177728B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009084617A (en) * | 2007-09-28 | 2009-04-23 | Chugai Ro Co Ltd | Cooling-treatment apparatus |
| CN102206734B (en) * | 2011-03-18 | 2013-01-09 | 苏州安科节能技术有限公司 | Novel grinding quenching furnace |
| CN203639521U (en) * | 2013-12-19 | 2014-06-11 | 浙江伦宝金属管业有限公司 | Inclined bottom furnace without manually stirring billet |
-
2017
- 2017-04-27 CN CN201710289233.1A patent/CN107177728B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107177728A (en) | 2017-09-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20200427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |