CN113337699B - Gear surface heat treatment method - Google Patents
Gear surface heat treatment method Download PDFInfo
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- CN113337699B CN113337699B CN202110617411.5A CN202110617411A CN113337699B CN 113337699 B CN113337699 B CN 113337699B CN 202110617411 A CN202110617411 A CN 202110617411A CN 113337699 B CN113337699 B CN 113337699B
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- gear
- pipe
- heating
- heat treatment
- rod
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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
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- 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 gear surface heat treatment method, which comprises a device main body and a cooling pool arranged on the front side of the device main body, wherein a gear placing box is arranged on the front side of the device main body, a slot is formed in the bottom surface of the interior of the cooling pool, a placing mechanism is inserted in the slot, and the placing mechanism penetrates through an induction coil of the device main body and extends into the gear placing box.
Description
Technical Field
The invention relates to the technical field of gear machining, in particular to a gear surface heat treatment method.
Background
At present, in order to prolong the service life of a gear, the surface of the gear generally needs to be subjected to heat treatment after the gear is produced, so that the hardness of the surface of the gear is improved, and meanwhile, the toughness inside the gear is not influenced.
When the existing gear heat treatment machine carries out heat treatment on the gear, the gear is placed at a heating position, then the heat treatment machine is started to heat the gear, the gear is sent into a cooling pool after being heated, then a new gear is placed to work in a reciprocating mode, continuous work of the heat treatment machine cannot be achieved, heat treatment efficiency of the gear is greatly influenced, a large amount of heat generated in the heat treatment process cannot be effectively utilized, energy waste is caused, and therefore design improvement is needed.
Disclosure of Invention
The invention discloses a gear surface heat treatment method, which adopts the technical scheme that:
the utility model provides a gear surface heat treatment device, includes the device main part and sets up the cooling bath in device main part front side, the gear is installed to the front side of device main part and is placed the case, the slot has been seted up to the inside bottom surface of cooling bath, and this slot interpolation is equipped with placement mechanism, placement mechanism wears to establish the induction coil of device main part and extends to the gear and places the incasement.
As preferred scheme, placement mechanism places the pipe by stand pipe and heating and constitutes, the heating is placed the inside of pipe and is seted up the cavity, and the motor is installed to this cavity bottom, the intraductal dwang that is provided with is placed in the heating, the lower extreme of dwang is connected with the output of motor, the cover is equipped with on the dwang and places the fixed establishment of inside wall of pipe with the heating, the lateral wall that the pipe was placed in the heating is provided with supporting mechanism, it is provided with actuating mechanism to correspond the position with supporting mechanism on the dwang, the heating is placed the inside upper end of pipe and is provided with updraft ventilator.
As the preferred scheme, the supporting mechanism includes a plurality of bracing pieces that encircle the setting, the bracing piece runs through the heating and places a tub lateral wall setting, the bracing piece is located the heating and places the inside one end of intraduct and is fixed with the trapezoidal piece, the cover is equipped with first spring on the bracing piece, the one end of bracing piece is provided with flexible piece, the other end of bracing piece is seted up flutedly, one side of flexible piece is equipped with the connecting rod, the other end of connecting rod slides and sets up in the recess, the other end of connecting rod is fixed with the second spring, and the other end and the recess inner wall of second spring are fixed.
As the preferred scheme, actuating mechanism establishes the solid fixed ring on the dwang including fixed cover, gu fixed ring's week side is fixed with the ejector pad, the quantity of ejector pad is unanimous with bracing piece quantity.
As the preferred scheme, the air draft mechanism comprises an air draft motor and an air draft fan, and the output end of the air draft motor is connected with the rotating shaft of the air draft fan.
Preferably, the fixing mechanism comprises a lantern ring fixedly sleeved on the rotating rod and fixing rods symmetrically fixed on the surface of the lantern ring, and the other end of each fixing rod is fixed to the inner wall of the heating placing pipe.
According to a preferable scheme, the guide pipe is composed of a conical pipe and a connecting pipe, the conical pipe is fixed on the connecting pipe, the connecting pipe is in threaded connection with the upper end of the heating placing pipe, a heat outlet hole is formed in the connecting pipe, and the upper end of the conical pipe is fixedly connected with a lifting block.
As the preferred scheme, the bottom surface of the cooling pool is obliquely arranged, a collecting tank is arranged below the cooling pool, a material collecting plate is arranged in the collecting tank, and a lifting rod is connected to the material collecting plate.
Preferably, the surface of a section of the heating and placing tube positioned inside the induction coil is provided with air holes.
The invention discloses a gear surface heat treatment method and a device, which have the beneficial effects that:
1. according to the gear surface heat treatment method and device, the gear placing box, the placing mechanism and the cooling pool are matched, so that the heat treatment machine can work continuously, and the heat treatment efficiency of the gear is greatly improved.
2. According to the gear surface heat treatment method and device, the air draft mechanism is arranged in the placing mechanism, heat generated in the heat treatment process can be sucked into the gear placing box, the gear is preheated, and by means of the design, the heat treatment efficiency of the gear is improved while the energy can be recycled.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the placement mechanism of the present invention;
FIG. 3 is a view of the support mechanism of the present invention;
FIG. 4 is a view of the fixing mechanism of the present invention;
FIG. 5 is a view of the draft mechanism of the present invention;
FIG. 6 is a view showing the structure of a guide tube according to the present invention;
FIG. 7 is a view of the gear housing box of the present invention;
FIG. 8 is a top view of the support mechanism of the present invention;
FIG. 9 is a view showing the structure of a cooling bath according to the present invention;
fig. 10 is an enlarged view of a portion a in fig. 2.
In the figure:
the device comprises a device body 1, a cooling pool 2, a placement mechanism 3, a gear placement box 4, a fixing mechanism 5, a 501 lantern ring, a 502 fixing rod, an air draft mechanism 6, an air draft motor 601, a 602 fan, a 7 supporting mechanism, a 701 supporting rod, a 702 telescopic block, a 703 trapezoidal block, a 704 connecting rod, a 705 groove, a 706 second spring, an 8 rotating rod, a 9 heating placement tube, a 10 driving mechanism, a 101 pushing block, a 102 fixing ring, an 11 material receiving plate, a 12 lifting rod, a 1401 motor, a 14 guide tube, a 1401 conical tube, an 1402 connecting tube, a 1403 heat outlet hole, a 1404 lifting block and a 15 inserting slot.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments and drawings of the specification:
examples
Referring to fig. 1-10, a gear surface heat treatment device includes a device body 1 and a cooling pool 2 disposed at the front side of the device body 1, and is characterized in that a gear placing box 4 is installed at the front side of the device body 1, a slot 15 is disposed at the bottom inside the cooling pool 2, a placing mechanism 3 is inserted into the slot 15, and the placing mechanism 3 penetrates through an induction coil of the device body 1 and extends into the gear placing box 4.
Wherein, placing mechanism 3 is placed pipe 9 by stand pipe 14 and heating and is constituted, the cavity has been seted up to the inside of pipe 9 is placed in the heating, motor 13 is installed to this cavity bottom, the heating is placed and is provided with dwang 8 in the pipe 9, the lower extreme of dwang 8 is connected with motor 13's output, the cover is equipped with on the dwang 8 and places pipe 9 inner wall fixed establishment 5 with the heating, the lateral wall that pipe 9 was placed in the heating is provided with supporting mechanism 7, it is provided with actuating mechanism 10 to correspond the position with supporting mechanism 7 on the dwang 8, the inside upper end that pipe 9 was placed in the heating is provided with updraft ventilator 6.
Wherein, supporting mechanism 7 includes a plurality of bracing pieces 701 that encircle the setting, bracing piece 701 runs through the heating and places the setting of tub 9 lateral wall, bracing piece 701 is located the heating and places the inside one end of pipe 9 and be fixed with trapezoidal piece 703, the cover is equipped with first spring on the bracing piece 701, the one end of bracing piece 701 is provided with flexible piece 702, recess 705 has been seted up to the one end of bracing piece 701, the opposite side of flexible piece 702 is equipped with connecting rod 704, the other end of connecting rod 704 slides and sets up in recess 705, the other end of connecting rod 704 is fixed with second spring 706, the other end and the recess 705 inner wall of second spring 706 are fixed.
The driving mechanism 10 includes a fixing ring 102 fixedly sleeved on the rotating rod 8, a push block 101 is fixed on the periphery of the fixing ring 102, and the number of the push blocks 101 is the same as that of the support rods 701.
Wherein, updraft ventilator mechanism 6 includes convulsions motor 601 and extraction fan 602, and the output of convulsions motor 601 is connected with the pivot of extraction fan 602.
Wherein, the fixing mechanism 5 comprises a lantern ring 501 fixedly sleeved on the rotating rod 8 and fixing rods 502 symmetrically fixed on the surface of the lantern ring 501, and the other end of the fixing rod 502 is fixed with the inner wall of the heating placing pipe 9.
The guide pipe 14 is composed of a tapered pipe 1401 and a connecting pipe 1402, the tapered pipe 1401 is fixed on the connecting pipe 1402, the connecting pipe 1402 is in threaded connection with the upper end of the heating placing pipe 9, the connecting pipe 1402 is provided with a hot outlet 1403, and the upper end of the tapered pipe 1401 is fixedly connected with a pulling block 1404.
Wherein, the bottom surface of cooling tank 2 sets up for the slope, and the collecting vat has been seted up to the below of cooling tank 2, is provided with in this collecting vat and receives flitch 11, is connected with lifting rod 12 on receiving flitch 11.
Wherein, the heating placing pipe 9 is provided with air holes on the surface of the section positioned in the induction coil.
A heat treatment method for the surface of a gear takes a heat treatment device for the surface of the gear as a body, and the treatment comprises the following steps:
(1) Firstly, a gear to be heat-treated is placed in a gear placing box 4, when the gear is placed, a mounting hole in the center of the gear corresponds to the tapered pipe 1401, the gear is supported by a supporting mechanism 7 positioned above the gear in the descending process, and a plurality of gears can be placed in the gear placing box 4;
(2) Then starting a device main body switch, electrifying an induction coil, simultaneously driving a motor 13 to work, driving a rotating rod 8 to rotate, driving a driving mechanism 10 to rotate by rotating the rotating rod 8, when the driving mechanism 10 rotates, enabling a push block 101 to push a support rod 701 to eject for supporting a gear, along with the continuous rotation of the driving mechanism 10, when the push block 101 is separated from the support rod 701, the support rod 701 returns under the action of a spring, the gear contracts into a heating placing tube 9, at the moment, the gear loses the support and descends, at the moment, the support rod 701 of a support mechanism 7 positioned in the induction coil is just in an extending state, the falling gear is supported, further, the gear is subjected to heat treatment in the induction coil, after the gear positioned in a gear placing box 4 falls by one time, when the gear above the adjacent gear continuously falls, the push block 101 rotating by one circle by the driving mechanism 10 pushes the outside of the support rod 701 to slide, at the moment, the telescopic block 702 extrudes with the inner wall of a falling gear mounting hole, the gear, so that the gear is fixed, and a plurality of gears are prevented from falling once;
(3) After the falling gears are heated by the induction coil, the motor 13 continues to rotate, the heated gears continue to descend into the cooling pool 2 for cooling, the gears in the gear placing box 4 descend into the induction coil one by one, when a plurality of gears enter the cooling pool, a worker pulls the lifting block 1404 at the upper end of the guide pipe 14 at the moment to lift the heating placing pipe 9, the cooled gears slide into the material receiving plate 11 on the bottom surface of the cooling pool 2 at the moment, the worker lifts the material receiving plate 11 through the lifting rod 12, and the cooled gears are collected;
(4) In the convulsions of whole in-process updraft ventilator 5 work, place the pipe 9 with the heat suction heating that induction coil produced and arrange the gear and place case 4 in side by side, place the gear of case 4 in to the gear and preheat.
Claims (5)
1. The utility model provides a gear surface heat treatment device, includes device main part (1) and sets up cooling tank (2) in device main part (1) front side, its characterized in that, the front side of device main part (1) is installed the gear and is placed case (4), slot (15) have been seted up to the inside bottom surface of cooling tank (2), and this slot (15) interpolation is equipped with placement mechanism (3), placement mechanism (3) wear to establish the induction coil of device main part (1) and extend to in gear placement case (4), placement mechanism (3) are placed pipe (9) by stand pipe (14) and heating and are constituted, the inside of pipe (9) is placed in the heating has been seted up the cavity, and motor (13) is installed to this cavity bottom, be provided with dwang (8) in the pipe (9) is placed in the heating, the lower extreme and the output of motor (13) of dwang (8) are connected, the cover is equipped with on dwang (8) places the fixed establishment (5) of pipe (9) inner wall with the heating, the lateral wall that pipe (9) was placed in the heating is provided with supporting mechanism (7), the corresponding position (7) is provided with the supporting rod (10) and the actuating mechanism (701) is placed in the heating, exhaust pipe (701) is provided with a plurality of the upper end, exhaust tube (701) is set up and is included the supporting mechanism (7), the support rod (701) penetrates through the side wall of the heating placement tube (9), a trapezoidal block (703) is fixed at one end of the support rod (701) positioned inside the heating placement tube (9), a first spring is sleeved on the support rod (701), a telescopic block (702) is arranged at one end of the support rod (701), a groove (705) is formed in the other end of the support rod (701), a connecting rod (704) is arranged at one side of the telescopic block (702), the other end of the connecting rod (704) is arranged in the groove (705) in a sliding mode, a second spring (706) is fixed at the other end of the connecting rod (704), the other end of the second spring (706) is fixed on the inner wall of the groove (705), the driving mechanism (10) comprises a fixing ring (102) fixedly sleeved on the rotating rod (8), a push block (101) is fixed on the peripheral side of the fixing ring (102), the number of the push blocks (101) is consistent with the number of the support rod (701), the guide tube (14) is composed of a tapered tube (1401) and a connecting tube (1402), the tapered tube (1401) is fixed on the connecting tube (1402), the connecting tube (1401) is connected with a screw thread-fixing hole (1404), and the upper end of the connecting tube (1403) is formed on the connecting tube (9), and an air hole is formed in the surface of the section of the heating placing pipe (9) positioned in the induction coil.
2. A gear surface heat treatment device according to claim 1, characterized in that the air draft mechanism (6) comprises an air draft motor (601) and an air draft fan (602), and the output end of the air draft motor (601) is connected with the rotating shaft of the air draft fan (602).
3. A gear surface heat treatment device according to claim 1, characterized in that the fixing mechanism (5) comprises a collar (501) fixedly sleeved on the rotating rod (8) and a fixing rod (502) symmetrically fixed on the surface of the collar (501), and the other end of the fixing rod (502) is fixed with the inner wall of the heat placing pipe (9).
4. The gear surface heat treatment device according to claim 1, characterized in that the bottom surface of the cooling pool (2) is inclined, a collecting tank is arranged below the cooling pool (2), a material collecting plate (11) is arranged in the collecting tank, and a lifting rod (12) is connected to the material collecting plate (11).
5. A gear surface heat treatment method characterized in that the gear surface heat treatment apparatus is the gear surface heat treatment apparatus according to any one of claims 1 to 4, the method comprising the steps of:
s1, firstly, a gear needing heat treatment is placed in a gear placing box (4), when the gear is placed, a mounting hole in the center of the gear corresponds to a conical pipe (1401), the gear is supported by a supporting mechanism (7) located above in the descending process, and a plurality of gears can be placed in the gear placing box (4);
s2, then starting a device main body switch, electrifying an induction coil, simultaneously driving a motor (13) to work, driving a rotating rod (8) to rotate, driving a driving mechanism (10) to rotate by rotating the rotating rod (8), when the driving mechanism (10) rotates, enabling a push block (101) to push a support rod (701) to eject to support a gear, along with the continuous rotation of the driving mechanism (10), when the push block (101) is separated from the support rod (701), the support rod (701) is restored under the action of a spring and contracted into a heating placing tube (9), at the moment, the gear loses support and descends, at the moment, the support rod (701) of a support mechanism (7) positioned in the induction coil is just in an extending state, the fallen gear is supported, and then heat treatment is carried out on the gear in the induction coil, after the gear positioned in a gear placing box (4) falls one, when the gear above the adjacent gear falls continuously, the push block (101) after the driving mechanism (10) rotates one circle pushes the support rod (701) to slide outside, at the telescopic block (702) and the inner wall of a falling gear installing hole are extruded to realize the extrusion of a plurality of gears, and prevent the falling gears from being fixed once;
s3, after the falling gears are heated by the induction coil, the motor (13) continues to rotate, the heated gears continue to descend into the cooling pool (2) for cooling, the gears in the gear placing box (4) descend into the induction coil, when a plurality of gears enter the cooling pool, a worker pulls the lifting block (1404) at the upper end of the guide pipe (14) to lift the heating placing pipe (9), the cooled gears slide into the material receiving plate (11) on the bottom surface of the cooling pool (2), the worker lifts the material receiving plate (11) through the lifting rod (12), and the cooled gears are collected;
s4, exhausting air by the aid of the air exhausting mechanism (5) in the whole process, exhausting heat generated by the induction coil into the heating placement pipe (9) and discharging the heat into the gear placement box (4), and preheating gears in the gear placement box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110617411.5A CN113337699B (en) | 2021-05-27 | 2021-05-27 | Gear surface heat treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110617411.5A CN113337699B (en) | 2021-05-27 | 2021-05-27 | Gear surface heat treatment method |
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| CN113337699A CN113337699A (en) | 2021-09-03 |
| CN113337699B true CN113337699B (en) | 2022-10-25 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964899A (en) * | 2018-09-28 | 2020-04-07 | 扬州科迪机电制造有限公司 | Continuous feeding device for gear quenching |
| CN211445816U (en) * | 2020-01-13 | 2020-09-08 | 江门国韵金属热处理有限公司 | High-frequency quenching device based on heat treatment processing |
| CN213060962U (en) * | 2020-09-03 | 2021-04-27 | 淄博格尔齿轮有限公司 | Extracting device is used in quenching of high-speed rotating gear |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105018709A (en) * | 2015-07-04 | 2015-11-04 | 安徽旭鸿热处理有限公司 | Automatic quenching production line for annular parts |
| CN208829736U (en) * | 2018-06-12 | 2019-05-07 | 苏州近藤大钱精密部件有限公司 | A kind of annular workpieces heat treatment gauge device |
| CN210856255U (en) * | 2019-10-16 | 2020-06-26 | 常州长江齿轮有限公司 | Support for gear quenching |
| CN213203141U (en) * | 2020-09-01 | 2021-05-14 | 六安市合力机械制造有限公司 | Efficient quenching device for gear machining |
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2021
- 2021-05-27 CN CN202110617411.5A patent/CN113337699B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964899A (en) * | 2018-09-28 | 2020-04-07 | 扬州科迪机电制造有限公司 | Continuous feeding device for gear quenching |
| CN211445816U (en) * | 2020-01-13 | 2020-09-08 | 江门国韵金属热处理有限公司 | High-frequency quenching device based on heat treatment processing |
| CN213060962U (en) * | 2020-09-03 | 2021-04-27 | 淄博格尔齿轮有限公司 | Extracting device is used in quenching of high-speed rotating gear |
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| CN113337699A (en) | 2021-09-03 |
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Denomination of invention: A Method of Gear Surface Heat Treatment Effective date of registration: 20230303 Granted publication date: 20221025 Pledgee: Bank of Suzhou Co.,Ltd. Yancheng branch Pledgor: YANCHENG JINZHOU MACHINERY MANUFACTURE Co.,Ltd. Registration number: Y2023980033827 |
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