CN219766831U

CN219766831U - Belleville spring turning clamp

Info

Publication number: CN219766831U
Application number: CN202321350340.8U
Authority: CN
Inventors: 李龙; 周兴友; 袁大传; 徐杰
Original assignee: SHANGHAI HEGONG DISC SPRING MANUFACTURING CO LTD
Current assignee: SHANGHAI HEGONG DISC SPRING MANUFACTURING CO LTD
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-09-29
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a disc spring turning clamp which comprises a clamping jaw device, wherein the upper end face of the clamping jaw device is fixedly connected with an outer circular clamp device, an inner circular clamp is arranged on the outer circular clamp device, an outer conical circular arc inclined surface is arranged at the edge of the inner side of the upper end face of the outer circular clamp device, an inner conical circular arc inclined surface matched with the outer conical circular arc inclined surface is arranged on the lower end face of the inner circular clamp device, and the radial distance between the outer circular clamp device and the inner circular clamp is adjustable. The radial thread grooves arranged on the inner circular clamp and the outer circular clamp block are matched through bolts to fix the outer circular clamp block and the inner circular clamp to-be-processed belleville springs; the utility model realizes that when the disc spring to be processed is thinner, the lever arm is smaller and the outer diameter size is larger, the thickness consistency of the disc spring after being processed is good, the thickness is uniform, the inner diameter and the outer diameter of the disc spring are not easy to deform, and the yield of the disc spring is high.

Description

Belleville spring turning clamp

Technical Field

The utility model relates to a disc spring machining clamp, in particular to a disc spring turning clamp.

Background

The disc spring is used as a basic component in mechanical equipment, and is applied to various fields in modern industry, in particular to the fields of mechanical industry, railway industry, building industry, nuclear power industry and the like; the demand for belleville spring devices is also increasing; the disc spring needs to be machined after being stamped and formed, the disc spring is fixed by the clamping jaw directly in the existing disc spring machining process, the disc spring with large thickness is machined in a machining mode, such as disc spring machining with the thickness of 5mm-6mm, but the disc spring with small lever arm and large outer diameter (such as 260-300 mm) is machined in a small thickness (such as 1.5-3 mm), the disc spring is easily poor in thickness consistency, uneven in thickness and even scrapped due to radial deformation of the disc spring, and the disc spring yield is low.

Disclosure of Invention

In view of this, the technical problems to be solved by the present utility model are: the technical problems that in the prior art, when disc springs with smaller thickness, smaller lever arm and larger outer diameter are machined, the consistency of the thickness of the disc springs is poor, the thickness is uneven, even the disc springs are deformed radially and scrapped are easily caused, and the yield of the disc springs is low are solved.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a belleville spring car adds clamping apparatus, includes the jack catch device, the up end fixedly connected with excircle clamp device of jack catch device, be equipped with interior circular clamp on the excircle clamp device, the inboard edge of excircle clamp device up end is equipped with outer conical circular arc inclined plane, the lower terminal surface of interior circular clamp is equipped with the interior conical circular arc inclined plane of cooperation outer conical circular arc inclined plane, the radial distance of excircle clamp device and interior circular clamp is adjustable.

Preferably, the upper end surface of the outer circular clamp device is higher than the top of the outer conical arc inclined surface; on the section of the outer circular clamp device, the inner side of the upper end surface of the outer circular clamp device is perpendicular to the outer conical arc inclined surface, and the outer diameter side surface of the inner circular clamp device is perpendicular to the outer conical arc inclined surface.

Preferably, the jaw device is composed of a plurality of jaws with the same size, the outer circle clamp device is composed of a plurality of outer circle clamp blocks with the same shape, and one outer circle clamp block is correspondingly and fixedly connected above each jaw.

Preferably, the circumferential directions of the outer circle clamp blocks are equally distributed, the circumferential distance between the adjacent outer circle clamp blocks is 0-2mm, and each outer circle clamp block is welded and connected with the corresponding claw; the claw is connected to a lathe.

Preferably, the number of the outer circular clamp blocks is three, and the number of the clamping jaws is three; the upper end face of each claw is welded with an outer circle clamp block.

Preferably, radial thread grooves are formed in the positions, corresponding to the inner circular clamps, of each outer circular clamp block, and the inner circular clamps are connected with the outer circular clamp blocks through bolts.

Preferably, a disc spring to be processed is arranged between the outer circular clamp device and the inner circular clamp, and the upper end surface of the outer diameter part of the disc spring is higher than the upper end surface of the outer circular clamp device.

Preferably, the radians of the outer conical arc inclined surface, the inner conical arc inclined surface and the conical inclined surface of the disc spring to be processed are the same, and the outer conical arc inclined surface is 6-8 degrees.

Preferably, the outer conical circular arc inclined surface is 7 °.

Preferably, the outer diameter of the inner circular clamp is the same as the inner diameter of the disc spring to be processed.

According to the technical scheme, the beneficial effects of the utility model are as follows:

compared with the prior art, the outer circle clamp device is matched with the inner circle clamp to realize the circumferential fixation of the inner diameter and the outer diameter of the disc spring to be processed; the outer diameter of the inner circular clamp is propped against the inner diameter of the disc spring to be processed, the inner side edge of the upper end surface of the outer circular clamp is contacted with the disc spring to be processed through radial adjustment of the outer circular clamp device and the inner circular clamp, and the outer circular clamp block and the inner circular clamp block are fixed through the bolt matched with radial thread grooves arranged on the inner circular clamp and the outer circular clamp block, so that the disc spring to be processed is turned; the device realizes that when the thickness of the disc spring to be processed is thinner, the lever arm is smaller, the outer diameter size is larger, the consistency of the thickness of the disc spring after being processed is good, the thickness is uniform, the inner diameter and the outer diameter of the disc spring are not easy to deform, and the yield of the disc spring is high.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic top view of an embodiment of the present utility model;

FIG. 3 is a schematic side view of an embodiment of the present utility model;

fig. 4 is a schematic view of the cross section A-A in fig. 2.

Detailed Description

For a further understanding of the nature and aspects of the present utility model, reference should be made to the following detailed description of embodiments of the utility model and to the accompanying drawings.

As shown in fig. 1-4, the disc spring turning clamp comprises a claw device, wherein the upper end surface of the claw device is fixedly connected with an outer circular clamp device, an inner circular clamp 3 is arranged on the outer circular clamp device, an outer conical circular arc inclined surface 11 is arranged on the inner side edge of the upper end surface of the outer circular clamp device, an inner conical circular arc inclined surface 31 matched with the outer conical circular arc inclined surface is arranged on the lower end surface of the inner circular clamp device, and the radial distance between the outer circular clamp device and the inner circular clamp device is adjustable.

The clamping jaw device consists of three clamping jaws 5 with the same size, the outer circular clamp device consists of three outer circular clamp blocks 1 with the same shape, and one outer circular clamp block 1 is correspondingly and fixedly connected above each clamping jaw 5; the upper end surface 12 of the outer circular clamp block is higher than the top of the outer conical arc inclined surface 11; on the section of the outer circular clamp device, the inner side 13 of the upper end surface of the outer circular clamp device is perpendicular to the outer conical arc inclined surface 11, and the outer diameter side 32 of the inner circular clamp device is perpendicular to the outer conical arc inclined surface 11.

As shown in fig. 1-2, the outer circle clamp blocks 1 are arranged in a circumferential equal division manner, the circumferential spacing between adjacent outer circle clamp blocks 5 is 0-2mm, and each outer circle clamp block 1 is welded and connected with a corresponding claw 5; the clamping jaw 5 is connected to a lathe; radial thread grooves are formed in the corresponding positions of each outer circular clamp block 1 and the corresponding positions of the inner circular clamps 3, the inner circular radial thread grooves 33 and the outer circular radial thread grooves (not shown in the figure) are fixedly connected through matching bolts 4, and the inner circular clamps 3 and the outer circular clamp blocks 1.

The disc spring 2 to be processed is arranged between the outer circular clamp device and the inner circular clamp 3, and the upper end surface 21 of the outer diameter of the disc spring 2 to be processed is higher than the upper end surface 12 of the outer circular clamp block.

The radian of the conical inclined surface of the outer conical arc inclined surface 11, the radian of the conical inclined surface of the inner conical arc inclined surface 31 and the radian of the conical inclined surface of the disc spring to be processed are the same, and the radian of the conical inclined surface of the outer conical arc inclined surface is 7 degrees; the outer diameter of the inner circular clamp 3 is the same as the inner diameter of the disc spring 2 to be processed.

According to the utility model, the circumferential fixation of the inner diameter and the outer diameter of the disc spring 2 to be processed is realized by matching the outer circular clamp device with the inner circular clamp 3; the outer diameter of the inner circular clamp 3 is propped against the inner diameter of the disc spring 2 to be processed, the inner side 13 of the upper end surface of the outer circular clamp device is contacted with the disc spring 2 to be processed through the radial adjustment of the outer circular clamp device and the inner circular clamp 3, the radial thread grooves arranged on the inner circular clamp 3 and the outer circular clamp block 1 are matched through the bolts 4, the fixation of the disc spring 2 to be processed of the outer circular clamp block 1 and the inner circular clamp 3 is realized, and the turning of the disc spring 2 to be processed is realized; the device realizes that when the thickness of the disc spring 2 to be processed is thinner, the lever arm is smaller, the outer diameter size is larger, the consistency of the thickness of the disc spring after being processed is good, the thickness is even, the inner diameter and the outer diameter of the disc spring are not easy to deform, and the yield of the disc spring is high.

The foregoing has outlined the basic principles, main features and advantages of the present utility model over the prior art. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a belleville spring car adds clamping apparatus, includes jaw device, its characterized in that: the clamping jaw device is characterized in that an outer circular clamp device is fixedly connected to the upper end face of the clamping jaw device, an inner circular clamp is arranged on the outer circular clamp device, an outer conical circular arc inclined surface is arranged on the inner side edge of the upper end face of the outer circular clamp device, an inner conical circular arc inclined surface matched with the outer conical circular arc inclined surface is arranged on the lower end face of the inner circular clamp device, and the radial distance between the outer circular clamp device and the inner circular clamp device is adjustable.

2. The disc spring turning fixture of claim 1, wherein: the upper end surface of the outer circular clamp device is higher than the top of the outer conical arc inclined surface; on the section of the outer circular clamp device, the inner side of the upper end surface of the outer circular clamp device is perpendicular to the outer conical arc inclined surface, and the outer diameter side surface of the inner circular clamp device is perpendicular to the outer conical arc inclined surface.

3. The disc spring turning fixture of claim 1, wherein: the clamping jaw device consists of a plurality of clamping jaws with the same size, the outer circle clamp device consists of a plurality of outer circle clamp blocks with the same shape, and an outer circle clamp block is correspondingly and fixedly connected above each clamping jaw.

4. A belleville spring turning fixture as set forth in claim 3 wherein: the outer circle clamp blocks are circumferentially and equally arranged, the circumferential spacing between every two adjacent outer circle clamp blocks is 0-2mm, and each outer circle clamp block is welded and connected with a corresponding claw.

5. A belleville spring turning fixture as set forth in claim 3 wherein: the number of the outer circle clamp blocks is three, and the number of the clamping jaws is three.

6. A belleville spring turning fixture as set forth in claim 3 wherein: radial thread grooves are formed in the positions, corresponding to the inner circular clamps, of each outer circular clamp block, and the inner circular clamps are connected with the outer circular clamp blocks through bolts.

7. The disc spring turning fixture of claim 1, wherein: the disc spring to be processed is arranged between the outer circular clamp device and the inner circular clamp, and the upper end surface of the outer diameter of the disc spring is higher than the upper end surface of the outer circular clamp device.

8. The disc spring turning fixture of claim 7, wherein: the radians of the outer conical arc inclined surface, the inner conical arc inclined surface and the conical inclined surface of the disc spring to be processed are the same, and the outer conical arc inclined surface is 6-8 degrees.

9. The disc spring turning fixture of claim 8, wherein: the outer conical arc inclined surface is 7 degrees.

10. The disc spring turning fixture of claim 7, wherein: the outer diameter of the inner circular clamp is the same as the inner diameter of the disc spring to be processed.