CN213357665U - Complex gear quenching press die - Google Patents

Complex gear quenching press die Download PDF

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Publication number
CN213357665U
CN213357665U CN202021092473.6U CN202021092473U CN213357665U CN 213357665 U CN213357665 U CN 213357665U CN 202021092473 U CN202021092473 U CN 202021092473U CN 213357665 U CN213357665 U CN 213357665U
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China
Prior art keywords
die
guide cone
hole
inner hole
pressure ring
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CN202021092473.6U
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Chinese (zh)
Inventor
韩伟
居玉辉
徐永旺
韩锁
张利琴
张连凤
田媛
李萍
薛东
焦海滨
王春兰
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Inner Mongolia First Machinery Group Corp
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Inner Mongolia First Machinery Group Corp
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Abstract

The utility model relates to a complex gear quenching pressing die, which mainly comprises a lower die base, an outer hole die guide cone, an inner hole expanding die, an inner hole die guide cone, an outer pressure ring base, an inner pressure ring base and an inner pressure ring; the utility model relates to an easy operation, size control accuracy height, the good accurate heat treatment moulding-die of cooling effect, this quenching moulding-die production efficiency is high, the part size control after quenching is good. The complex gear quenching die has the advantages of reasonable design and precise size. The method has the advantages of being capable of realizing batch production and effectively controlling the process size of parts with complex structures.

Description

Complex gear quenching press die
Technical Field
The utility model belongs to the gear machining field, concretely relates to complicated gear quenching moulding-die.
Background
In the heat treatment production of the complex gear, the original quenching scheme adopts a fixed mandrel structure, the size of an inner hole is controlled mainly by the cooling shrinkage of a part in the quenching and cooling process, and the conventional gear is basically a plane. Part of gears in the existing production are complex in structure and have a plurality of step surfaces and a porous and multi-groove structure, a fixed mandrel is adopted to support an inner hole during quenching, an upper pressing die is used for pressing the end surface of a part, and due to the fact that the end surface of the part bears pressure, the size of the associated inner hole is not good in shrinkage, and the ovality of the inner hole is out of tolerance; the parts have complex structures and large integral deformation, so that the total thickness of the parts is out of tolerance, the machining allowance of the parts is insufficient, and the machining and assembly of the next procedure are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a complex gear quenching moulding-die, the technical problem that solve is: solves the problems of the prior fixed mandrel type quenching press die.
In order to solve the technical problem, the utility model provides a complicated gear quenching moulding-die which is characterized in that: the device mainly comprises a lower die base, an outer hole die guide cone, an inner hole expansion die, an inner hole die guide cone, an outer pressure ring base, an inner pressure ring base and an inner pressure ring; the outer hole die guide cone is fixedly connected with the lower part of the outer pressure ring seat, a corresponding conical surface is arranged on the matching surface of the outer hole die guide cone and the outer hole expansion die, and the outer hole expansion die is sleeved outside the conical surface of the outer hole die guide cone; the guide cone of the outer hole die moves downwards to drive the outer hole expansion die to move outwards; the outer pressure ring seat is nested outside the inner pressure ring seat, the inner pressure ring is fixed at the lower end of the inner pressure ring seat, and the guide cone of the inner hole die is fixedly arranged in the central hole of the inner pressure ring seat; the lower end of the inner hole die guide cone is provided with an outer conical surface, the central position of the lower die base is provided with an inner hole expansion die, the inner hole expansion die is sleeved outside the conical surface of the inner hole die guide cone, and the conical surfaces of the inner hole die guide cone and the inner hole die guide cone are matched; the outer surface of the inner hole expansion die is matched with the inner hole of the part.
Has the advantages that: the utility model relates to an easy operation, size control accuracy height, the good accurate heat treatment moulding-die of cooling effect, this quenching moulding-die production efficiency is high, the part size control after quenching is good. The complex gear quenching die has the advantages of reasonable design and precise size. The method has the advantages of being capable of realizing batch production and effectively controlling the process size of parts with complex structures.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a gear part.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following description will be made in further detail with respect to the embodiments of the present invention.
The utility model provides a complex gear quenching pressing die, which mainly comprises a base 1, a lower die base 2, an outer ring support ring 3, an oil cover 4, an outer hole die guide cone 5, an outer hole die guide cone 6, an inner hole expanding die 7, an inner hole die guide cone 8, an outer pressure ring base 9, an inner pressure ring base 10, an inner pressure ring 11, an expander adjusting pad 12, a screw 13, a limit screw 14, a pressure spring 15, a spring 16, a ring spring 17 and an outer ring height limiting ring 18;
the gear quenching press die is divided into an upper press die and a lower press die, wherein the upper press die consists of an oil cover, an outer hole expansion die, an outer hole die guide cone, an inner hole expansion die, an outer pressure ring seat, an inner pressure ring and an outer ring height limiting ring; the outer hole die guide cone is fixedly connected with the lower part of the outer pressure ring seat, a corresponding conical surface is arranged on the matching surface of the outer hole die guide cone and the outer hole expansion die, the outer hole expansion die is of a split structure, is sleeved outside the conical surface of the outer hole die guide cone and is connected with a limiting screw through a pressure spring; the outer pressure ring seat moves downwards to drive the outer hole expansion die to move outwards so as to expand the outer hole of the part 19; an outer ring height limiting ring is arranged between the lower part of the outer hole die guide cone and the outer ring support ring to limit the descending height of the outer hole die guide cone.
The outer pressure ring seat is nested outside the inner pressure ring seat, the inner pressure ring is fixed at the lower end of the inner pressure ring seat, and the guide cone of the inner hole die is fixedly arranged in the central hole of the inner pressure ring seat; the lower end of the guide cone of the inner hole die is provided with an outer conical surface for outward expanding the inner hole expansion die;
the base, the lower die base, the outer ring support ring, the inner hole expanding die and the expander adjusting pad form a lower pressing die;
the lower die base is fixed on the upper part of the base, an outer ring support ring is arranged on the outer circumference of the lower die base, an inner hole expansion die is arranged at the central position of the lower die base, the inner hole expansion die is of a split structure and is sleeved outside the conical surface of the guide cone of the inner hole die, and the conical surfaces of the inner hole die and the inner hole die are matched; the outer surface of the inner hole expansion die is matched with an inner hole of the part; the inner hole expansion die is provided with a spring and an expander adjusting pad for recovering the position of the inner hole expansion die.
As shown in a die drawing, when in work, a lower pressing die is firstly connected on a workbench of a quenching press, then an upper pressing die is fixed on an upper pressure column of the quenching press, a heated part is placed in an inner hole expanding die 7, the lower end face of the part is placed on an outer ring support 3, the workbench is started, the workbench is moved to a quenching position, then the upper pressing die is lowered to the end face of the part, an inner hole die guide cone 8 is contacted with the inner hole expanding die 7 and expands the inner hole die 7, an outer hole die guide cone 6 expands an outer hole expanding die 5 and supports the inner hole of the part, wherein the expanding size is controlled by adjusting the height of an expander adjusting pad 12, two end faces of the part are respectively pressed by the outer hole expanding die 5 and an inner pressing ring 11, the press is used for pressurizing an outer pressing ring seat 9 and an inner pressing ring seat 10, oil spraying quenching is carried out after pressurization, quenching is carried out, quenching oil spraying is carried out from the lower part of the press, and the, the pressure size, pulse time, pressure time and the like are realized by adjusting the parameters of the quenching press.
The utility model discloses a novel dabber that expands during design mould, realizes carrying out the expand-type support to each hole of part to two upper and lower planes of part are carried out the pressure quenching respectively, adopt special cooling oil groove during quench cooling, cool off part tooth portion and other important positions, the effectual part thermal treatment deformation control requirement of having guaranteed.
The utility model is mainly used for heat treatment gear parts with complex structure and high dimensional requirement precision, and the technical requirements of the parts are that the warpage is 0.25 and the ovality of an inner hole is 0.3; according to the original solution, after the heat treatment, the end face warpage of the part is 0.4, the ovality of the inner hole is 0.7, the end face warpage of the part is 0.15 and the ovality of the inner hole is 0.2-0.3 after the heat treatment, and the deformation control of different positions of the complex gear is effectively guaranteed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (10)

1. A complex gear quenching die is characterized in that: the device mainly comprises a lower die base, an outer hole die guide cone, an inner hole expanding die, an inner hole die guide cone, an outer pressure ring base, an inner pressure ring base and an inner pressure ring; the outer hole die guide cone is fixedly connected with the lower part of the outer pressure ring seat, a corresponding conical surface is arranged on the matching surface of the outer hole die guide cone and the outer hole expansion die, and the outer hole expansion die is sleeved outside the conical surface of the outer hole die guide cone; the guide cone of the outer hole die moves downwards to drive the outer hole expansion die to move outwards; the outer pressure ring seat is nested outside the inner pressure ring seat, the inner pressure ring is fixed at the lower end of the inner pressure ring seat, and the guide cone of the inner hole die is fixedly arranged in the central hole of the inner pressure ring seat; the lower end of the inner hole die guide cone is provided with an outer conical surface, the central position of the lower die base is provided with an inner hole expansion die, the inner hole expansion die is sleeved outside the conical surface of the inner hole die guide cone, and the conical surfaces of the inner hole die guide cone and the inner hole die guide cone are matched; the outer surface of the inner hole expansion die is matched with the inner hole of the part.
2. The complex gear quenching die as claimed in claim 1, wherein: the outer hole expanding die is of a split structure.
3. The complex gear quenching die as claimed in claim 2, wherein: the outer hole expanding die is connected with the outer hole die guide cone through a pressure spring.
4. The complex gear quenching die as claimed in claim 2, wherein: an outer ring support ring is arranged on the outer circumference of the lower die seat.
5. The complex gear quenching die as claimed in claim 2, wherein: the lower die base is fixed on the upper part of the base.
6. The complex gear quenching die as claimed in claim 1, wherein: the inner hole expansion die is of a split structure.
7. The complex gear quenching die as claimed in claim 1, wherein: the inner hole expansion die is transversely provided with a spring.
8. The complex gear quenching die as claimed in claim 1, wherein: the center of the inner hole expansion die is provided with an expander adjusting pad fixed on the lower die seat.
9. The complex gear quenching die as claimed in claim 5, wherein: the base is fixed on a workbench of the quenching press; the outer pressure ring seat and the inner pressure ring seat are both fixed on an upper pressure column of the quenching press.
10. The complex gear quenching die as claimed in claim 4, wherein: an outer ring height limiting ring is arranged between the lower part of the outer hole die guide cone and the outer ring support ring.
CN202021092473.6U 2020-06-12 2020-06-12 Complex gear quenching press die Active CN213357665U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021092473.6U CN213357665U (en) 2020-06-12 2020-06-12 Complex gear quenching press die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021092473.6U CN213357665U (en) 2020-06-12 2020-06-12 Complex gear quenching press die

Publications (1)

Publication Number Publication Date
CN213357665U true CN213357665U (en) 2021-06-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113801982A (en) * 2021-09-03 2021-12-17 江麓机电集团有限公司 Pressure quenching die and process for large-diameter thin-arc plate carburized gear
CN114107629A (en) * 2021-11-26 2022-03-01 中国航发北京航空材料研究院 Full-size deformation control method for driven spiral bevel gear
CN115323131A (en) * 2022-07-07 2022-11-11 太原重工股份有限公司 Quenching device for sheet gear and using method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113801982A (en) * 2021-09-03 2021-12-17 江麓机电集团有限公司 Pressure quenching die and process for large-diameter thin-arc plate carburized gear
CN113801982B (en) * 2021-09-03 2023-09-15 江麓机电集团有限公司 Pressure quenching die and process for large-diameter thin-arc-plate carburized gear
CN114107629A (en) * 2021-11-26 2022-03-01 中国航发北京航空材料研究院 Full-size deformation control method for driven spiral bevel gear
CN115323131A (en) * 2022-07-07 2022-11-11 太原重工股份有限公司 Quenching device for sheet gear and using method thereof

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