CN217351450U

CN217351450U - Disc spring quenching clamp

Info

Publication number: CN217351450U
Application number: CN202123090093.6U
Authority: CN
Inventors: 严凯
Original assignee: Changzhou Sanzhong Elastic Technology Co ltd
Current assignee: Changzhou Sanzhong Elastic Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-09-02
Anticipated expiration: 2031-12-09

Abstract

The utility model provides a dish spring quenching anchor clamps, dish spring quenching anchor clamps include: the die comprises a first die and a second die, and a through hole is formed in the die; the fastening piece penetrates through the through holes in the first die and the second die to clamp the disc spring between the first die and the second die, and the heat treatment mode that the quenching clamp clamps the whole disc spring to be quenched solves the problem that the disc spring with thin thickness and narrow width is easy to deform during heat treatment.

Description

Disc spring quenching clamp

Technical Field

The utility model relates to a dish spring equipment for heat treatment technical field, specificly relate to a dish spring quenching clamp.

Background

The disc spring is called disc spring for short, and is a conical ring-shaped disc bearing axial load. In general, the thickness of the disc spring is constant, and the load is uniformly distributed on the inner edge of the upper surface and the outer edge of the lower surface of the disc spring. The disc spring is generally made of spring steel, can bear static load, impact load or dynamic alternating load, can meet the requirements of strict fatigue life and loading loss, and compared with other types of springs, the disc spring has the characteristics of short stroke, small deformation, large bearing capacity, high space utilization rate and long service life, and different disc spring combination modes can obtain load characteristic curves required by different working conditions.

At present, with the development of the automobile industry, the disc spring is more and more widely applied and has higher and higher requirements. Quenching is a heat treatment process of the disc spring, and the disc spring is generally clamped by a tool clamp in the quenching process so as to limit deformation of the disc spring during heat treatment. The disc spring quenching clamp in the prior art generally adopts a planar tool clamp with an upper clamping plate and a lower clamping plate and mainly positions and clamps a disc shape by three pairs of screw nuts, so that the inner diameter and the outer diameter of the disc spring are easy to be out of round during heat treatment, the size of the inner diameter and the outer diameter cannot meet the requirement, the normal use of the disc spring is influenced, and the disc spring quenching clamp is particularly not suitable for a disc spring with thin thickness and narrow width (namely the difference between the inner diameter and the outer diameter is small). Therefore, a new disc spring quenching fixture needs to be developed and designed to stably clamp and limit a disc spring with a thin thickness and a narrow width (i.e. a small difference between the inner diameter and the outer diameter), so as to solve the problem that the inner diameter and the outer diameter of the disc spring are easy to deform due to out-of-round during quenching heat treatment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a disc spring quenching clamp, which solves the problem that a disc spring with thin thickness and narrow width is easy to deform during heat treatment.

In order to achieve the above objects and other objects, the present invention is achieved by including: the utility model discloses at first provide a dish spring quenching anchor clamps: the quenching jig includes: the die comprises a first die and a second die, and a through hole is formed in the die; and the fastening piece passes through the through holes on the first die and the second die to clamp the disc spring between the first die and the second die.

In an embodiment, the first mold and the second mold are the same size.

In an embodiment, the through holes include a first through hole and a plurality of second through holes, the first through hole is located in a central position of the mold, and the plurality of second through holes are located at a periphery of the first through hole.

In an embodiment, the plurality of second through holes are distributed equidistantly along the circumferential direction of the mold, and the opening direction of the plurality of second through holes is radial.

In an embodiment, the cross section of the second through holes is trapezoidal, and the number of the second through holes is 3-8.

In one embodiment, the mold has a retaining ring disposed on a surface thereof, the retaining ring being disposed proximate an outer edge of the mold.

In an embodiment, the edge blocking ring is an unsealed edge blocking ring, and the unsealed part of the edge blocking ring is arranged at the second through hole.

In one embodiment, the inner diameter of the disc spring is larger than the outer diameter D of the edge ring and smaller than the outer diameter D of the mold.

In one embodiment, the fastener is a bolt and nut fastener.

In one embodiment, the disc spring has a thickness of 0.1 to 1.0mm and a width of 2 to 10 mm.

The utility model provides a disc spring quenching clamp which can solve the problem that a disc spring is deformed during heat treatment.

Drawings

Fig. 1 shows a schematic structural diagram of the disc spring of the present invention.

Fig. 2 is a schematic structural view of the quenching jig of the present invention.

Fig. 3 shows a schematic structural diagram of a second mold according to the present invention.

Fig. 4 is a bottom view of the second mold of the present invention.

Fig. 5 is a side view of the second mold of the present invention.

Detailed Description

Please refer to fig. 1 to 5. The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

As shown in fig. 1, the disc spring 100 of the present invention may be a disc spring 100 which is a conical disc shape and can bear a load, and the disc spring 100 has a certain taper, and can be used in a device with high temperature, high pressure or unstable operating pressure and temperature, and has a buffering function to maintain the sealing performance and protect the screw from fatigue damage due to overload. At present, the method is widely applied to industries such as metallurgy, engineering, electric power, machine tools, building and the like. The center of the disc spring 100 is provided with a through hole 101, when the disc spring 100 is used, the through hole 101 can be penetrated through a bolt and other workpieces, and then the bolt is fastened, so that the corresponding parts can be buffered or sealed. Dish spring 100 can be that thickness is comparatively thin, the relatively narrower dish spring 100 of width, in some embodiments, dish spring 100's width can be 2 ~ 10mm, for example 3.5mm, 4mm, dish spring 100's thickness can be 0.1 ~ 1.0 mm.

As shown in fig. 1 and fig. 2, the present invention firstly provides a disc spring quenching clamp 200, the whole clamp 200 may be made of metal material, such as low carbon steel, the low carbon steel may reduce the quenching distortion, and improve the service life of the clamp 200, the clamp 200 includes dies (201,202) and a fastener 203, the dies (201,202) may include a first die 201 and a second die 202, the first die 201 and the second die 202 may be dies with identical structure and size, and the cross section of the dies (201,202) may have a circular structure. The molds (201,202) may have a slope, for example, the slope of the molds (201,202) may be consistent with the slope of the disc spring 100.

As shown in fig. 2 and 3, taking the second mold 202 as an example, the second mold 202 may be provided with a plurality of through holes, in some embodiments, the through holes include a first through hole 202a and a second through hole 202b, the first through hole 202a may be a through hole for passing the fastener 203, the first through hole 202a may be located at a central position of the second mold 202, the second through hole 202b may be a plurality of second through holes 202b distributed along the circumferential direction of the second mold 202, the opening direction of the second through hole 202b may be along the radial direction of the second mold 202, in some embodiments, the number of the second through holes 202b may be 3 to 8, and the cross section of the second through hole 202b may be a trapezoidal structure with a certain radian at upper and lower bottom edges.

As shown in fig. 1 to 4, taking the second mold 202 as an example, in some embodiments, the second mold 202 may be provided with an edge-blocking ring 202c at a distance from an edge of the second mold 202, and the edge-blocking ring 202c may be used for positioning when the disc spring 100 is installed. In some embodiments, the edge-blocking ring 202c may be closed, further may be open, further, the open position of the edge-blocking ring 202c may be located at the second through hole 202b, the height of the edge-blocking ring 202c may be set according to the number of disc springs 100 to be quenched, in some embodiments, the number of disc springs 100 that may be clamped in the mold 200 is 2 to 30, further, the height of the edge-blocking ring 202c may be greater than twice the height of the disc spring 100 and less than thirty times the height of the disc spring 100, and the edge-blocking ring 202c may be co-circular with the outer side wall of the second through hole 202 b. The second through-hole 202b may facilitate the flow of the quenching medium during quenching. The quenching medium may be mineral oil.

As shown in fig. 5, the inner diameter of the disc spring 100 may be slightly larger than the outer diameter D of the edge ring 202c and smaller than the outer diameter D of the second mold 202, so that the disc spring 100 can be just clamped outside the edge ring 202 c.

As shown in fig. 1 to 3, the fastener 203 may be a bolt-nut fastener, when the clamp 200 is used, a plurality of disc springs 100 to be quenched may be sandwiched between a first die 201 and a second die 202 and sleeved on the periphery of the edge retaining ring 202c, then a bolt 203a is passed through a first through hole 202a and passed through a through hole 101 of the disc spring 100, and finally the clamp 200 and the disc spring 100 may be quenched as a whole after the dies (201,202) and the disc spring 100 are fastened by a nut 203b, where the nut 203b may be a hexagon nut 203 b.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A dish spring quenching anchor clamps which characterized in that: the dish spring quenching anchor clamps include:

the die comprises a first die and a second die, and a through hole is formed in the die;

and the fastening piece passes through the through holes on the first die and the second die to clamp the disc spring between the first die and the second die.

2. The disc spring quenching clamp of claim 1, wherein: the first die and the second die are the same in structural size.

3. The disc spring quenching clamp of claim 1, wherein: the through holes comprise a first through hole and a plurality of second through holes, the first through hole is located in the center of the die, and the second through holes are located on the periphery of the first through hole.

4. The disc spring quenching jig as claimed in claim 3, wherein: the plurality of second through-holes are distributed along the circumferential direction of the die at equal intervals, and the opening direction of the plurality of second through-holes is radial.

5. The disc spring quenching jig as claimed in claim 3, wherein: the cross section of a plurality of second through-holes is trapezoidal, the quantity of a plurality of second through-holes is 3 ~ 8.

6. The disc spring quenching jig as claimed in claim 3, wherein: a flange ring is arranged on one surface of the die and is close to the outer edge of the die.

7. The disc spring quenching clamp of claim 6, wherein: the edge blocking ring is an unsealed edge blocking ring, and the unsealed part of the edge blocking ring is arranged at the second through hole.

8. The disc spring quenching clamp of claim 6, wherein: the inner diameter of the disc spring is larger than the outer diameter D of the edge retaining ring and smaller than the outer diameter D of the die.

9. The disc spring quenching clamp of claim 1, wherein: the fastener is a bolt and nut fastener.

10. The disc spring quenching clamp of claim 1, wherein: the thickness of dish spring is 0.1 ~ 1.0mm, the width of dish spring is 2 ~ 10 mm.