CN109082517A - A kind of fork-lift truck special single-way abrased gear quenching unit - Google Patents
A kind of fork-lift truck special single-way abrased gear quenching unit Download PDFInfo
- Publication number
- CN109082517A CN109082517A CN201810930429.9A CN201810930429A CN109082517A CN 109082517 A CN109082517 A CN 109082517A CN 201810930429 A CN201810930429 A CN 201810930429A CN 109082517 A CN109082517 A CN 109082517A
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- CN
- China
- Prior art keywords
- gear
- sawtooth
- fork
- quenching
- quenching unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- 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
- C21D2221/00—Treating localised areas of an article
- C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
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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 invention discloses a kind of fork-lift truck special single-way abrased gear quenching units, mounting base including installing gear, and the quenching unit in mounting base is set, the quenching unit includes the heating device connecting with gear serrations load surface and is lightly loaded the thermal insulation layer that face is connect with the sawtooth of gear, the heating device and thermal insulation layer are connect by control circuit board and electric wire with gear, the differential processing in surface of the control circuit board control heating device and thermal insulation layer to sawtooth load surface and sawtooth underloading face.The present invention is by the differential processing in surface to sawtooth load surface and sawtooth underloading face, so that gear serrations load surface hardness strength increases, sawtooth is lightly loaded face toughness and increases, and improves the performance of heavy-duty gear, extends the service life of gear.
Description
Technical field
The present invention relates to gear quenching field more particularly to a kind of fork-lift truck special single-way abrased gear quenching units.
Background technique
Gear is one of most widely used part in machine driving, is produced in automobile, tractor, lathe and hoisting machinery etc.
Not only play an important role in product, but also dosage is quite big, the processing process of gear include rough turn, smart car, gear shaping, gear hobbing,
Grind rib, chamfering, cleaning, carburizing and quenching, hole end surface, roll flute, cleaning, product inspection in mill, in gear manufacturing processes, rationally into
Row heat treatment process, is the necessary guarantee for improving bearing capacity and prolonging the service life, and the heat-treatment distortion of gear has become resistance
An important factor for hindering its use.
The purpose of gear quenching is that overcooling austenite is made to carry out martensite or bainite transformation, obtains martensite or bainite
Tissue, cooperates the tempering with different temperatures, then to greatly improve intensity, hardness, wearability, fatigue strength and the toughness of steel
Deng to meet the different requirements of various machine components and tool.
For usual gear in rotation, the sawtooth of gear is stress heavy duty face on one side, and another side is underloading face, existing processing
Method is that either stress heavy duty face or underloading face is heated all together, is quenched together, although meeting the technique requirement of quenching,
But it is reduction of the quality of gear, the stress heavy duty face of sawtooth is easier to be worn in subsequent processing operation, uses the longevity
Life shortens.
In addition, the hardened depth " excessively shallow " of gear, all unfavorable to contacting and being bent bearing capacity.But quench-hardened case is also not more
Deep better, case depth best or appropriate, can make the flank of tooth and tooth root intensity (bearing capacity) all with higher.
For these reasons, it is necessary to research and develop a kind of fork-lift truck special single-way abrased gear quenching unit.
Summary of the invention
It is an object of the invention to overcome problem above of the existing technology, a kind of fork-lift truck special single-way mill is provided
Gear quenching device is damaged, by being lightly loaded the differential processing in surface in face to sawtooth load surface and sawtooth, so that gear serrations load
Surface hardness intensity increases, and sawtooth is lightly loaded face toughness and increases, and improves the performance of heavy-duty gear.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind of fork-lift truck special single-way abrased gear quenching unit, the mounting base including installing gear, and setting are being installed
Quenching unit on seat, the quenching unit include the heating device connecting with gear serrations load surface and light with the sawtooth of gear
The thermal insulation layer of section connection, the heating device and thermal insulation layer are connect by control circuit board and electric wire with gear, the control
Circuit board controls the differential processing in surface of heating device and thermal insulation layer to sawtooth load surface and sawtooth underloading face, so that gear is sawed
Tooth load surface hardness strength increases, and sawtooth is lightly loaded face toughness and increases, and improves the performance of heavy-duty gear.
Preferably, the heating device includes the heating rod connecting with gear teeth mouth and the sense that is arranged on heating rod
Answer device, the inductor connects to power supply, the temperature of the sawtooth load surface of the inductor induction gear and by heating rod into
Row heating.
Preferably, the heating device further include for gear sawtooth load surface carry out Cooling Quenching oil spout it is cold
But device.
Preferably, the oil-spraying cooling device includes fuel tank and the driving motor that is arranged on fuel tank, the driving
Motor is connect with oil pump, and oil inlet and oil outlet are provided on the oil pump, and the oil inlet is connected to by pipeline with fuel tank, institute
It states oil outlet to connect by the atomizer being arranged on pipeline and mounting base, the atomizer is connect with gear.
Preferably, the thermal insulation layer is made of ceramics or magnalium compound or crystal fibre.
Preferably, the time of the heating rod heat temperature raising is directly proportional to the depth of quenching, the heating rod heat temperature raising
Time it is longer, the gear serrations load surface depth of quenching is higher.
Preferably, the inductor is temperature inductor.
Preferably, the time of the control circuit board control heating, the temperature of heating and the number of heating, meanwhile,
The temperature for the temperature control Cooling Quenching that control circuit board incudes also according to inductor 302 and cooling time and Cooling Quenching
Number.
The beneficial effects of the present invention are:
1. structure is simple, gear using effect is good, and quenching is high-quality, improves production efficiency, has saved production cost；
2. reducing the deflection of gear, extend the service life of gear；
3. enhancing the hardness of gear, intensity, wearability, fatigue strength and toughness etc., to meet various machine components and work
The different requirements of tool.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, with presently preferred embodiments of the present invention and attached drawing is cooperated to be described in detail below.This hair
Bright specific embodiment is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is structural schematic diagram of the present invention；
Fig. 2 is the portion A partial enlarged view in Fig. 1 of the present invention；
Fig. 3 is the schematic diagram of gear 1 and heating device 3 and thermal insulation layer 4 of the present invention；
Fig. 4 is side view of the present invention；
Fig. 5 is 5 schematic diagram of oil-spraying cooling device of the present invention.
Figure label explanation: gear 1, sawtooth load surface 101, sawtooth underloading face 102, mounting base 2, heating device 3 are heat-insulated
Layer 4, oil-spraying cooling device 5, fuel tank 501, driving motor 502, oil pump 503, oil inlet 504, oil outlet 505, pipeline 506,
Atomizer 507.
Specific embodiment
The invention will be further described with reference to the accompanying drawing:
Shown in 5, a kind of fork-lift truck special single-way abrased gear quenching unit, the installation including installing gear 1
Seat 2, and the quenching unit being arranged in mounting base 2, the quenching unit include connecting with 1 sawtooth load surface 101 of gear
Heating device 3 and the thermal insulation layer 4 connecting with the sawtooth of gear 1 underloading face 102, the heating device 3 and thermal insulation layer 4 pass through control
Circuit board and electric wire are connect with gear 1, and the control circuit board control heating device 3 and thermal insulation layer 4 are to 101 He of sawtooth load surface
Sawtooth is lightly loaded the differential processing in surface in face 102, so that 1 sawtooth load surface of gear, 101 hardness strength increases, sawtooth is lightly loaded face
102 toughness increase, and improve the performance of heavy-duty gear 1.
Preferably, the heating device 3 includes the heating rod 301 connecting with 1 tooth mouth of gear and is arranged in heating rod
Inductor 302 on 301, the inductor 302 connect to power supply, the sawtooth load surface of 302 induction gear 1 of inductor
101 temperature is simultaneously heated up by heating rod 301.
Preferably, the heating device further includes the spray for carrying out Cooling Quenching for the sawtooth load surface 101 to gear 1
Oil cooler 5.
Preferably, the oil-spraying cooling device 5 includes fuel tank 501 and the driving motor being arranged on fuel tank 501
502, the driving motor 502 is connect with oil pump 503, and oil inlet 504 and oil outlet 505 are provided on the oil pump 503, described
Oil inlet 504 is connected to by pipeline 506 with fuel tank 501, and the oil outlet 505 passes through the spray being arranged in pipeline 506 and mounting base 2
Oil nozzle 507 connects, and the atomizer 507 is connect with gear 1.
Preferably, the thermal insulation layer 4 is made of ceramics or magnalium compound or crystal fibre.
Preferably, the time of 301 heat temperature raising of heating rod is directly proportional to the depth of quenching, the heating rod 301 adds
The time of heat heating is longer, and the 1 sawtooth load surface of gear, 101 depth of quenchings are higher.
Preferably, the inductor 302 is temperature inductor.
Preferably, quenching unit be provided with it is multiple or multiple above corresponding with the sawtooth of gear.
Preferably, the time of the control circuit board control heating, the temperature of heating and the number of heating, meanwhile,
The temperature for the temperature control Cooling Quenching that control circuit board incudes also according to inductor 302 and cooling time and Cooling Quenching
Number.
Specific embodiment:
In embodiments of the present invention, for gear in rotation, the sawtooth of gear is stress heavy duty face (sawtooth load surface 101) on one side,
Another side is underloading face (sawtooth is lightly loaded face 102), and as shown in Fig. 3, multiple quenching units are corresponding with the sawtooth of gear, quenching
The heating device of device corresponds to sawtooth load surface 101, and the corresponding sawtooth of thermal insulation layer 4 is lightly loaded face 102, when needing gear quenching,
Control circuit board controls heating device 3 and carries out heat temperature raising to sawtooth load surface 101, and the inductor on heating rod 301 is arranged in
302, incude time of the temperature of sawtooth load surface 101, the temperature of control circuit board control heating and the time of heating and heating
Number, heating finish, and oil-spraying cooling device 5 carries out Cooling Quenching to the sawtooth load surface 101 of gear 1, and driving motor 502 drives oil
Pump 503 extracts the cooling oil in fuel tank 501, and cooling oil is sprayed on gear 1 by the atomizer 507 that pipeline 506 and pipeline 506 connect
On, inductor 302 incudes the temperature of cooling oil, and control circuit board controls the temperature of Cooling Quenching and time and the cooling of cooling
The number of quenching, so that reaching preferably has hardness, the high gear of intensity.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. a kind of fork-lift truck special single-way abrased gear quenching unit, it is characterised in that: the mounting base including installing gear (1)
(2), and quenching unit on mounting base (2) is set, the quenching unit includes and gear (1) sawtooth load surface (101)
The heating device (3) of connection and the thermal insulation layer (4) being connect with the sawtooth of gear (1) underloading face (102), the heating device (3)
Connect by control circuit board and electric wire with gear (1) with thermal insulation layer (4), the control circuit board control heating device (3) and
Surface differential processing of the thermal insulation layer (4) to sawtooth load surface (101) and sawtooth underloading face (102), so that gear (1) sawtooth is negative
Section (101) hardness strength increases, and sawtooth is lightly loaded face (102) toughness and increases, and improves the performance of heavy-duty gear (1).
2. a kind of fork-lift truck special single-way abrased gear quenching unit according to claim 1, it is characterised in that: described
Heating device (3) includes the inductor of the heating rod (301) connecting with gear (1) tooth mouth and setting on heating rod (301)
(302), the inductor (302) connects to power supply, the sawtooth load surface (101) of inductor (302) induction gear (1)
Temperature is simultaneously heated up by heating rod (301).
3. a kind of fork-lift truck special single-way abrased gear quenching unit according to claim 1, it is characterised in that: described
Heating device further includes the oil-spraying cooling device (5) that Cooling Quenching is carried out for the sawtooth load surface (101) to gear (1).
4. a kind of fork-lift truck special single-way abrased gear quenching unit according to claim 3, it is characterised in that: described
Oil-spraying cooling device (5) includes the driving motor (502) of fuel tank (501) and setting on fuel tank (501), the driving motor
(502) it is connect with oil pump (503), is provided with oil inlet (504) and oil outlet (505), the oil inlet on the oil pump (503)
(504) it is connected to by pipeline (506) with fuel tank (501), the oil outlet (505) on pipeline (506) and mounting base (2) by setting
Atomizer (507) connection set, the atomizer (507) connect with gear (1).
5. a kind of fork-lift truck special single-way abrased gear quenching unit according to claim 1, it is characterised in that: described
Thermal insulation layer (4) is made of ceramics or magnalium compound or crystal fibre.
6. a kind of fork-lift truck special single-way abrased gear quenching unit according to claim 2, it is characterised in that: described
The time of heating rod (301) heat temperature raising is directly proportional to the depth of quenching, and the time of heating rod (301) heat temperature raising is longer,
Gear (1) sawtooth load surface (101) depth of quenching is higher.
7. a kind of fork-lift truck special single-way abrased gear quenching unit according to claim 2, it is characterised in that: described
Inductor (302) is temperature inductor.
8. a kind of fork-lift truck special single-way abrased gear quenching unit according to claim 1, it is characterised in that: described
Quenching unit is provided with multiple or multiple above corresponding with the sawtooth of gear.
9. a kind of fork-lift truck special single-way abrased gear quenching unit according to claim 2, it is characterised in that: described
Control circuit board controls the number of the heating time of heating device (3), heating temperature and heating, the control circuit board also root
According to the temperature of the temperature control Cooling Quenching of inductor (302) induction and cooling time and the number of Cooling Quenching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930429.9A CN109082517A (en) | 2018-08-15 | 2018-08-15 | A kind of fork-lift truck special single-way abrased gear quenching unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810930429.9A CN109082517A (en) | 2018-08-15 | 2018-08-15 | A kind of fork-lift truck special single-way abrased gear quenching unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109082517A true CN109082517A (en) | 2018-12-25 |
Family
ID=64793657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810930429.9A Pending CN109082517A (en) | 2018-08-15 | 2018-08-15 | A kind of fork-lift truck special single-way abrased gear quenching unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109082517A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382953A (en) * | 2011-09-30 | 2012-03-21 | 安徽明雁齿轮有限公司 | Rotary lifting-type gear sleeve automatic high frequency quenching device |
| CN102776350A (en) * | 2011-12-26 | 2012-11-14 | 洛阳理工学院 | Method for single tooth quenching of gear and scale division according to teeth |
| CN206232781U (en) * | 2016-12-13 | 2017-06-09 | 重庆市永川区富强机械制造有限公司 | A kind of gear quenching device with water injector |
-
2018
- 2018-08-15 CN CN201810930429.9A patent/CN109082517A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382953A (en) * | 2011-09-30 | 2012-03-21 | 安徽明雁齿轮有限公司 | Rotary lifting-type gear sleeve automatic high frequency quenching device |
| CN102776350A (en) * | 2011-12-26 | 2012-11-14 | 洛阳理工学院 | Method for single tooth quenching of gear and scale division according to teeth |
| CN206232781U (en) * | 2016-12-13 | 2017-06-09 | 重庆市永川区富强机械制造有限公司 | A kind of gear quenching device with water injector |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181225 |
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| RJ01 | Rejection of invention patent application after publication |