CN113061708B - Cushion disc die for preventing workpiece from deforming during heat treatment - Google Patents

Cushion disc die for preventing workpiece from deforming during heat treatment Download PDF

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Publication number
CN113061708B
CN113061708B CN202110290692.8A CN202110290692A CN113061708B CN 113061708 B CN113061708 B CN 113061708B CN 202110290692 A CN202110290692 A CN 202110290692A CN 113061708 B CN113061708 B CN 113061708B
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China
Prior art keywords
heat treatment
groups
gear
sets
pad
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CN202110290692.8A
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Chinese (zh)
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CN113061708A (en
Inventor
任传富
王友聪
岳玉伟
王福明
尚国富
王志凯
崔明柱
夏文超
闵凡迎
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Qingzhou Jianfu Gear Co ltd
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Qingzhou Jianfu Gear Co ltd
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Priority to CN202110290692.8A priority Critical patent/CN113061708B/en
Publication of CN113061708A publication Critical patent/CN113061708A/en
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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
    • 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
    • C21D1/34—Methods of heating
    • C21D1/42—Induction heating
    • 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
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0025—Supports; Baskets; Containers; Covers
    • 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

Abstract

The invention relates to the technical field of gear machining, in particular to a pad disc die for preventing deformation of a workpiece during heat treatment, which can prevent teeth of a gear from deforming due to heat in the heat treatment process and improve the stability of the heat treatment of the gear; the automatic gear shifting and positioning device comprises a base, a pad, a plurality of groups of heat treatment tools, a top cap, a plurality of groups of material returning devices and power devices, the symmetry is provided with two sets of support columns on the base, pad fixed mounting is on the support column, set up a plurality of groups of heat treatment stations on the pad, a plurality of groups of heat treatment tools are installed respectively and are used for spacing the gear inside a plurality of groups of heat treatment stations, wherein every group of heat treatment tools includes the limit ring, high frequency coil and first pivot, the limit ring rotates and installs inside heat treatment stations, and the circumference outer wall of limit ring is pasted tightly with the circumference inner wall of heat treatment stations, be provided with the internal tooth on the circumference inside of limit ring and be used for meshing completely with the gear, be provided with a plurality of groups of mounting grooves coaxial respectively with a plurality of groups of heat treatment stations on the pad.

Description

Cushion disc die for preventing workpiece from deforming during heat treatment
Technical Field
The invention relates to the technical field of gear machining, in particular to a pad disc die for preventing deformation of a workpiece during heat treatment.
Background
In the process of gear production, heat treatment processing is often required to be performed on the gear to improve the mechanical properties of the gear, however, the heat treatment process has positive effects and also inevitably generates more or less deformation in the process of treatment, so how to control the degree of gear deformation in the heat treatment process becomes an urgent problem to be solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides the cushion disc die capable of preventing the teeth of the gear from being deformed by heat in the heat treatment process and improving the stability of the heat treatment of the gear and preventing the deformation of the workpiece caused by the heat treatment.
The invention relates to a pad mould for preventing heat treatment deformation of a workpiece, which comprises a base, a pad, a plurality of groups of heat treatment tools, a top cover, a plurality of groups of material returning devices and a power device, wherein two groups of support columns are symmetrically arranged on the base, the pad is fixedly arranged on the support columns, a plurality of groups of heat treatment stations are arranged on the pad, the plurality of groups of heat treatment tools are respectively arranged inside the plurality of groups of heat treatment stations for limiting a gear, each group of heat treatment tools comprises a limiting ring, a high-frequency coil and a first rotating shaft, the limiting ring is rotatably arranged inside the heat treatment stations, the circumferential outer wall of the limiting ring is tightly attached to the circumferential inner wall of the heat treatment stations, internal teeth are arranged inside the circumference of the limiting ring for being completely engaged with the gear, a plurality of groups of mounting grooves which are coaxial with the plurality of groups of heat treatment stations respectively are arranged on the pad, the high-frequency coil is wound inside the mounting grooves for heating the inside of the heat treatment stations, the first rotating shaft is rotatably arranged inside the heat treatment station and is fixedly matched with the gear, the heat treatment station and the first rotating shaft are coaxial, the top cover is arranged on a plurality of groups of heat treatment stations, a plurality of groups of material returning devices are arranged on the base and are used for pushing out the processed gear from the heat treatment station, and a plurality of groups of power devices are arranged on the top cover and are used for driving a plurality of groups of first rotating shafts to respectively drive the gear to rotate along the axis of the power device.
The invention discloses a pad mould for preventing heat treatment deformation of a workpiece, which comprises a power device, wherein the power device comprises a plurality of groups of second rotating shafts, a chain wheel, a chain and a motor, a plurality of groups of grooves are formed in the end surface, in contact with the pad, of a top cover, corresponding to a plurality of groups of heat treatment stations, the grooves are respectively coaxial with a plurality of groups of first rotating shafts, the second rotating shafts are respectively rotatably installed on the top cover and are respectively coaxial with the grooves, the second rotating shafts are driven by the chain wheel and the chain, the bottom ends of the second rotating shafts are respectively provided with a connecting device for being fixedly connected with the first rotating shafts, and the motor is fixedly installed on the pad and is used for driving one group of the first rotating shafts to rotate along the axis of the motor.
The invention discloses a pad mould for preventing heat treatment deformation of a workpiece, wherein each group of connecting devices comprises a shaft sleeve and a connecting pin key, a first key groove is formed in the joint of each group of first rotating shaft and second rotating shaft, the shaft sleeve is coaxially and fixedly connected with the second rotating shaft, a shaft hole is formed in the other end, connected with the second rotating shaft, of the shaft sleeve, and the connecting pin key is vertically and fixedly arranged on the shaft sleeve and is clamped between the first key groove and a gear key groove.
The invention discloses a pad mould for preventing deformation of a workpiece during heat treatment, wherein each group of material returning devices comprises a hydraulic cylinder, a connecting plate and a push rod, the hydraulic cylinder is fixedly and vertically hung below the pad, the hydraulic cylinder is fixedly connected with the push rod through the connecting plate, the push rod is parallel to the output end of the hydraulic cylinder, a plurality of groups of material returning holes penetrating through the inside of a heat treatment station are arranged on the pad, and the other end of the push rod, which is connected with the connecting plate, extends into the heat treatment station through the material returning holes.
According to the pad disc die for preventing the heat treatment deformation of the workpiece, the anti-skidding pad plates are arranged on the contact end surfaces of the push rods and the gears for avoiding scratching the gears.
The invention discloses a pad mould for preventing deformation of a workpiece during heat treatment, which further comprises a protective cover, wherein the protective cover is covered outside a plurality of groups of second rotating shafts, chain wheels and chains, and is fixedly arranged on a top cover.
According to the saucer die for preventing the deformation of the workpiece during heat treatment, the top cover is symmetrically provided with a plurality of groups of lifting rings for stably lifting the top cover in cooperation with a crane.
According to the saucer mold for preventing deformation of a workpiece during heat treatment, the top cover is provided with the cooling fan for rapidly cooling the gear after heat treatment.
Compared with the prior art, the invention has the beneficial effects that: the gear to be heat treated is respectively placed in a plurality of groups of limiting rings, the gear is completely meshed with the internal teeth, the gear is prevented from being heated and deformed due to the limiting of the limiting rings in the high-temperature heat treatment process, then the top cover is arranged on the cushion disc, then a plurality of groups of high-frequency coils are started, under the condition that a plurality of groups of high-frequency coils are electrified, the high-temperature heat treatment is carried out on the gears in the coils by the plurality of groups of high-frequency coils, and the power device is started at the same time, under the driving action of the power device, the plurality of groups of first rotating shafts respectively rotate along the self-axis, so that the plurality of groups of first rotating shafts drive the plurality of groups of gears and the plurality of groups of limiting rings to respectively rotate along the self-axis, the heating is more uniform, through the arrangement, the gear teeth can be prevented from being heated and deformed in the heat treatment process, and the heat treatment stability of the gear is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the top cover and the second shaft;
FIG. 3 is an enlarged view of the connection between the first shaft and the pad;
FIG. 4 is an enlarged top view of a structure defining a ring;
FIG. 5 is an enlarged bottom view of the structure of the attachment device;
in the drawings, the reference numbers: 1. a base; 2. a support pillar; 3. a pad disc; 4. a heat treatment station; 5. a confinement ring; 6. internal teeth; 7. mounting grooves; 8. a high-frequency coil; 9. a first rotating shaft; 10. a first keyway; 11. a top cover; 12. a material returning device; 13. a power plant; 14. a groove; 15. a second rotating shaft; 16. a sprocket; 17. a chain; 18. a connecting device; 19. a motor; 20. a shaft sleeve; 21. a connecting pin key; 22. a material returning hole; 23. a hydraulic cylinder; 24. a connecting plate; 25. a push rod; 26. an anti-scratch base plate; 27. a protective cover; 28. a lifting ring.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in figures 1 to 5, the invention relates to a pad mould for preventing heat treatment deformation of a workpiece, which comprises a base 1, a pad 3, a plurality of groups of heat treatment tools, a top cover 11, a plurality of groups of material returning devices 12 and a power device 13, wherein two groups of supporting columns 2 are symmetrically arranged on the base 1, the pad 3 is fixedly arranged on the supporting columns 2, a plurality of groups of heat treatment stations 4 are arranged on the pad 3, the plurality of groups of heat treatment tools are respectively arranged inside the plurality of groups of heat treatment stations 4 for limiting gears, each group of heat treatment tools comprises a limiting ring 5, a high-frequency coil 8 and a first rotating shaft 9, the limiting ring 5 is rotatably arranged inside the heat treatment stations 4, the circumferential outer wall of the limiting ring 5 is tightly attached to the circumferential inner wall of the heat treatment stations 4, inner teeth 6 are arranged inside the circumference of the limiting ring 5 and are completely meshed with the gears, a plurality of groups of mounting grooves 7 which are respectively coaxial with the plurality of groups of heat treatment stations 4 are arranged on the pad 3, the high-frequency coil 8 is wound and installed in the installation groove 7 and used for heating the interior of the heat treatment station 4, the first rotating shaft 9 is rotatably installed in the heat treatment station 4 and used for being fixedly matched with the gear, the heat treatment station 4 and the first rotating shaft 9 are coaxial, the top cover 11 covers the plurality of groups of heat treatment stations 4, the plurality of groups of material returning devices 12 are installed on the base 1 and used for pushing the processed gear out of the heat treatment station 4, and the plurality of groups of power devices 13 are installed on the top cover 11 and used for driving the plurality of groups of first rotating shafts 9 to respectively drive the gear to rotate along the axis of the gear; the gear to be heat-treated is respectively placed in a plurality of groups of limiting rings 5, and the gear is completely meshed with the internal teeth 6, so that the gear is prevented from being thermally deformed due to the limitation of the limiting rings 5 in the high-temperature heat treatment process, then a top cover 11 is installed on a backing disc 3, then a plurality of groups of high-frequency coils 8 are started, under the condition that the plurality of groups of high-frequency coils 8 are electrified, the plurality of groups of high-frequency coils 8 carry out high-temperature heat treatment on the gear in the coils, and simultaneously a power device 13 is started, under the driving action of the power device 13, a plurality of groups of first rotating shafts 9 respectively rotate along the self axis, so that the plurality of groups of first rotating shafts 9 drive a plurality of groups of gears and a plurality of groups of limiting rings 5 to respectively rotate along the self axis, the heating is more uniform, and through the arrangement, the gear can be prevented from being thermally deformed in the heat treatment process, the stability of the heat treatment of the gear is improved.
Preferably, the power device 13 includes a plurality of sets of second rotating shafts 15, a chain wheel 16, a chain 17 and a motor 19, a plurality of sets of grooves 14 are formed in the end surface of the top cover 11, which is in contact with the pad 3, corresponding to the plurality of sets of heat treatment stations 4, the plurality of sets of grooves 14 are respectively coaxial with the plurality of sets of first rotating shafts 9, the plurality of sets of second rotating shafts 15 are respectively rotatably mounted on the top cover 11, the plurality of sets of second rotating shafts 15 are respectively coaxial with the plurality of sets of grooves 14, the plurality of sets of second rotating shafts 15 are driven by the chain wheel 16 and the chain 17, connecting devices 18 are respectively arranged at the bottom ends of the plurality of sets of second rotating shafts 15 and are fixedly connected with the first rotating shafts 9, and the motor 19 is fixedly mounted on the pad 3 and is used for driving one set of first rotating shafts 9 to rotate along the axis thereof; through covering 11 with top cap and establishing at saucer 3, make a plurality of groups second pivot 15 respectively with the first pivot 9 fixed connection of a plurality of groups under connecting device 18's linkage effect, later starter motor 19, make motor 19 drive one of them a set of first pivot 9 rotatory along self axis, make a plurality of groups second pivot 15 rotatory along self axis respectively under sprocket 16 and chain 17's transmission effect, thereby it is rotatory along self axis to drive a plurality of groups gear, it is more even to make the heating, promote gear heat treatment effect.
Preferably, each group of connecting devices 18 comprises a shaft sleeve 20 and a connecting pin key 21, a first key groove 10 is formed at the joint of each group of first rotating shaft 9 and second rotating shaft 15, the shaft sleeve 20 is fixedly connected with the second rotating shaft 15 coaxially, a shaft hole is formed at the other end of the shaft sleeve 20 connected with the second rotating shaft 15, and the connecting pin key 21 is vertically and fixedly installed on the shaft sleeve 20 and is clamped between the first key groove 10 and the gear key groove; through the arrangement, the second rotating shaft 15 and the first rotating shaft 9 are conveniently and synchronously connected, and convenience is improved.
Preferably, each group of material returning devices 12 comprises a hydraulic cylinder 23, a connecting plate 24 and a push rod 25, the hydraulic cylinder 23 is fixedly and vertically hung below the cushion disc 3, the hydraulic cylinder 23 is fixedly connected with the push rod 25 through the connecting plate 24, the push rod 25 is parallel to the output end of the hydraulic cylinder 23, a plurality of groups of material returning holes 22 penetrating through the interior of the heat treatment station 4 are formed in the cushion disc 3, and the other end, connected with the connecting plate 24, of the push rod 25 extends into the interior of the heat treatment station 4 through the material returning holes 22; by controlling the extension and retraction of the hydraulic cylinder 23, the push rod 25 is driven by the hydraulic cylinder 23 to lift in the material returning hole 22, so that the gear subjected to heat treatment can be conveniently pushed out from the limiting ring 5.
Preferably, the contact end surfaces of the push rods 25 and the gears are provided with anti-skid backing plates 26 for avoiding scratching the gears; through the arrangement, the gear pushing device is beneficial to reducing the occurrence of the situation that the push rod 25 scratches the gear when the gear is pushed out.
Preferably, the device further comprises a protective cover 27, wherein the protective cover 27 covers the plurality of groups of second rotating shafts 15, the chain wheel 16 and the chain 17, and the protective cover 27 is fixedly arranged on the top cover 11; through the arrangement, the condition that the chain wheel 16 and the chain 17 accidentally injure people in the operation process of the equipment is reduced, and the safety is improved.
Preferably, the top cover 11 is symmetrically provided with a plurality of sets of lifting rings 28 for matching with a crane to stably lift the top cover 11.
Preferably, the top cover 11 is provided with a heat dissipation fan for rapidly cooling the gear after the heat treatment is completed.
The invention relates to a pad disc mould for preventing heat treatment deformation of a workpiece, which is characterized in that when in work, a gear to be subjected to heat treatment is respectively placed in a plurality of groups of limiting rings 5, the gear is completely meshed with internal teeth 6, the gear is prevented from being subjected to heat deformation due to the limiting of the limiting rings 5 in the high-temperature heat treatment process, a top cover 11 is arranged on a pad disc 3, then a plurality of groups of high-frequency coils 8 are started, the plurality of groups of high-frequency coils 8 are subjected to high-temperature heat treatment on the gear in the coils under the condition that the plurality of groups of high-frequency coils 8 are electrified, a power device 13 is started at the same time, a plurality of groups of first rotating shafts 9 are respectively rotated along the self axis under the driving action of the power device 13, so that the plurality of groups of first rotating shafts 9 drive the plurality of groups of gears and the plurality of groups of limiting rings 5 to respectively rotate along the self axis, the heating is more uniform, through the arrangement, the gear teeth can be prevented from being heated and deformed in the heat treatment process.
The mounting mode, the connecting mode or the setting mode of the saucer mold for preventing the deformation of the workpiece during heat treatment are common mechanical modes, and the saucer mold can be implemented as long as the beneficial effects of the saucer mold can be achieved.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (8)

1. A pad mould for preventing deformation of a workpiece during heat treatment is characterized by comprising a base (1), a pad (3), a plurality of groups of heat treatment tools, a top cover (11), a plurality of groups of material returning devices (12) and a power device (13), wherein two groups of supporting columns (2) are symmetrically arranged on the base (1), the pad (3) is fixedly arranged on the supporting columns (2), a plurality of groups of heat treatment stations (4) are arranged on the pad (3), the plurality of groups of heat treatment tools are respectively arranged inside the plurality of groups of heat treatment stations (4) and used for limiting gears, each group of heat treatment tools comprises a limiting ring (5), a high-frequency coil (8) and a first rotating shaft (9), the limiting ring (5) is rotatably arranged inside the heat treatment stations (4), the outer wall of the circumference of the limiting ring (5) is tightly attached to the inner wall of the circumference of the heat treatment stations (4), and inner teeth (6) are arranged inside the circumference of the limiting ring (5) and used for being completely meshed with the gears, be provided with on rim plate (3) with a plurality of groups heat treatment station (4) a plurality of groups mounting groove (7) of coaxial line respectively, high frequency coil (8) winding is installed and is used for heating heat treatment station (4) inside mounting groove (7), first pivot (9) are rotated and are installed and are used for with gear fixed coordination inside heat treatment station (4), and heat treatment station (4) and first pivot (9) coaxial line, top cap (11) lid is established on a plurality of groups heat treatment station (4), a plurality of groups material returned device (12) are installed and are used for pushing out the gear after the processing is accomplished by heat treatment station (4) on base (1), a plurality of groups power device (13) are installed and are used for driving a plurality of groups first pivot (9) and drive the gear respectively along self axis rotation on top cap (11).
2. The cushion pan die for preventing deformation of a workpiece caused by heat treatment as claimed in claim 1, wherein the power device (13) comprises a plurality of sets of second rotating shafts (15), a chain wheel (16), a chain (17) and a motor (19), a plurality of sets of grooves (14) are arranged on the end surface of the top cover (11) contacting with the cushion pan (3) corresponding to the plurality of sets of heat treatment stations (4), the plurality of sets of grooves (14) are respectively coaxial with the plurality of sets of first rotating shafts (9), the plurality of sets of second rotating shafts (15) are respectively rotatably mounted on the top cover (11), the plurality of sets of second rotating shafts (15) are respectively coaxial with the plurality of sets of grooves (14), the plurality of sets of second rotating shafts (15) are driven by the chain wheel (16) and the chain (17), and the bottom ends of the plurality of sets of second rotating shafts (15) are respectively provided with a connecting device (18) for fixedly connecting with the first rotating shafts (9), the motor (19) is fixedly arranged on the pad disc (3) and used for driving one group of the first rotating shafts (9) to rotate along the axis of the motor.
3. The die set for preventing the thermal treatment deformation of the workpiece as claimed in claim 2, wherein each set of connecting means (18) comprises a shaft sleeve (20) and a connecting pin key (21), the first key slot (10) is arranged at the joint of each set of the first rotating shaft (9) and the second rotating shaft (15), the shaft sleeve (20) and the second rotating shaft (15) are fixedly connected coaxially, the shaft hole is arranged at the other end of the shaft sleeve (20) connected with the second rotating shaft (15), and the connecting pin key (21) is vertically and fixedly arranged on the shaft sleeve (20) and is clamped between the first key slot (10) and the gear key slot.
4. The cushion pan die capable of preventing deformation of a workpiece caused by heat treatment as claimed in claim 1, wherein each group of material returning devices (12) comprises a hydraulic cylinder (23), a connecting plate (24) and a push rod (25), the hydraulic cylinder (23) is fixedly and vertically hung below the cushion pan (3), the hydraulic cylinder (23) is fixedly connected with the push rod (25) through the connecting plate (24), the push rod (25) is parallel to the output end of the hydraulic cylinder (23), the cushion pan (3) is provided with a plurality of groups of material returning holes (22) penetrating through the interior of the heat treatment station (4), and the other end of the push rod (25) connected with the connecting plate (24) extends into the heat treatment station (4) from the material returning holes (22).
5. The die set for preventing the deformation of the workpiece caused by the heat treatment as set forth in claim 4, wherein the anti-slip backing plates (26) are provided on the contact end surfaces of the push rods (25) and the gears for preventing the gears from being scratched.
6. The saucer mold for preventing deformation in heat treatment of a workpiece as claimed in claim 2, further comprising a shield (27), wherein the shield (27) is provided to cover the outside of the plurality of sets of the second rotating shaft (15), the sprocket (16) and the chain (17), and the shield (27) is fixedly attached to the top cover (11).
7. The saucer mold for preventing deformation in heat treatment of a workpiece as claimed in claim 1, wherein said top cover (11) is symmetrically provided with a plurality of sets of lifting rings (28) for smoothly lifting the top cover (11) by a crane.
8. The saucer mold for preventing deformation in heat treatment of a workpiece as claimed in claim 1, wherein a heat-dissipating fan is provided on said top cover (11) for rapidly cooling the gear after heat treatment.
CN202110290692.8A 2021-03-18 2021-03-18 Cushion disc die for preventing workpiece from deforming during heat treatment Active CN113061708B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110290692.8A CN113061708B (en) 2021-03-18 2021-03-18 Cushion disc die for preventing workpiece from deforming during heat treatment

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Application Number Priority Date Filing Date Title
CN202110290692.8A CN113061708B (en) 2021-03-18 2021-03-18 Cushion disc die for preventing workpiece from deforming during heat treatment

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CN113061708B true CN113061708B (en) 2022-04-08

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114908243A (en) * 2022-05-31 2022-08-16 重庆赛之源齿轮制造有限公司 Heat treatment tool for internal spline gear
CN116970881B (en) * 2023-09-22 2023-12-19 连云港天舒热处理科技有限公司 Heat treatment equipment for nonferrous metal processing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675488A (en) * 1986-06-25 1987-06-23 Tocco, Inc. Method for hardening gears by induction heating
CN210458299U (en) * 2019-08-26 2020-05-05 江苏盛安资源股份有限公司 Annealing device for gear production

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675488A (en) * 1986-06-25 1987-06-23 Tocco, Inc. Method for hardening gears by induction heating
CN210458299U (en) * 2019-08-26 2020-05-05 江苏盛安资源股份有限公司 Annealing device for gear production

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