CN219112774U

CN219112774U - Positioning device for integral forming of axial ring forging

Info

Publication number: CN219112774U
Application number: CN202223052635.5U
Authority: CN
Inventors: 刘其源; 许志成; 何方有; 严鹏程; 杨雄
Original assignee: Wuxi Paike New Material Technology Co ltd
Current assignee: Wuxi Paike New Material Technology Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-06-02
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a positioning device for integrally forming an axial ring forging, which comprises two material supporting plates symmetrically arranged on a working table surface of a ring machine and used for supporting a workpiece to be rolled, wherein an adjustable limiting device is arranged on the material supporting plates, and a limiting surface of the limiting device is in contact fit with the outer peripheral surface of a middle die. The utility model can control the stability of the middle die in cooperation with the holding roller, ensures the stability of the forming of the ring forging piece, improves the quality of the rolling ring, has simple structure, can be adjusted and replaced, and is convenient for maintenance.

Description

Positioning device for integral forming of axial ring forging

Technical Field

The utility model belongs to the technical field of rolling, and particularly relates to a positioning device for integral forming of an axial ring forging.

Background

With the rapid development of the aerospace industry, the modern national defense industry and the transportation industry in China, important stress parts and structural parts are lightened, and various rolling ring forming modes are formed. In order to realize the special-shaped forming of the outer periphery of the ring forging, an intermediate die is generally required to be added between the core roller and the main roller. In order to control the stability of the intermediate mold, the intermediate mold is generally controlled only by a holding roller. However, if the intermediate die is controlled by simply holding the roll, the intermediate die is extremely easy to eccentric and shake under the action of a plurality of forces such as a main roll, a core roll, a ring forging piece and the like, and the stability of the rolling ring quality is seriously affected.

Disclosure of Invention

In order to solve the technical problems, the utility model discloses a positioning device for integrally forming an axial ring forging, which can be matched with a holding roller to control the stability of a middle die, ensure the stability of ring forging forming, improve the quality of a rolled ring, and has the advantages of simple structure, adjustability and replacement and convenience in maintenance.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a positioner for axial ring forging integrally formed, includes that two symmetries set up the support flitch at ring machine work mesa for hold and wait to grind the ring work piece, be equipped with adjustable stop device on the support flitch, and stop device's spacing face and the outer peripheral face contact laminating of middle mould.

Preferably, the limiting device comprises a limiting block and two limiting bolts, each limiting device is provided with a first limiting groove and a second limiting groove, each limiting block is provided with a bolt sliding groove, and each limiting block is matched and locked with the corresponding first limiting groove and the corresponding second limiting groove through the corresponding bolt sliding groove.

Preferably, the extension lines of the first limit groove and the second limit groove on each material supporting plate are mutually perpendicular, and the horizontal connecting lines between the first limit groove and the main roller and between the first limit groove and the core roller are mutually perpendicular.

Preferably, a limiting surface of the limiting block, which is in contact with the middle die, is a concave arc surface.

Preferably, the diameter of the limiting surface on the limiting block is larger than or equal to the outer peripheral diameter of the middle die.

Preferably, a cavity is formed in the limiting surface of the limiting block along the circumferential direction, a plurality of rollers are arranged in the cavity along the arc-shaped surface of the limiting surface, and the rollers are in contact fit with the middle die.

Preferably, a core roller avoiding area is arranged on one side surface, close to the core roller, of the material supporting plate, and the core roller avoiding area is a concave arc-shaped area.

Preferably, the diameter of the core roller avoidance area is larger than or equal to the diameter of any core roller to be replaced.

The beneficial effects are that: the utility model discloses a positioning device for integral forming of an axial ring forging, which has the following advantages:

(1) According to the utility model, the adjustable limiting device is arranged on the material supporting plate, and the middle die is radially limited by matching with the holding roller, so that the eccentric and shaking conditions of the middle die are avoided, the forming stability of the ring forging is ensured, and the ring rolling quality is improved;

(2) The adjustable limiting device is adopted, so that the adjustable limiting device can be adaptively adjusted according to the size of the middle die, and has wide application range;

(3) According to the utility model, the limiting surface of the limiting block is designed, and the contact friction between the limiting surface and the middle die is reduced through the roller structure, so that the abrasion of the limiting block and the middle die is reduced, and the service lives of the limiting device and the middle die are prolonged.

Drawings

FIG. 1 is a schematic operation diagram of a positioning device in embodiment 1;

fig. 2 is a schematic structural diagram 1 of a positioning device in embodiment 1;

fig. 3 is a schematic structural view of a positioning device in embodiment 1;

FIG. 4 is a schematic operation diagram of the positioning device of embodiment 2;

FIG. 5 is a schematic diagram of the operation of the positioning device of embodiment 2;

fig. 6 is a schematic diagram of the operation of the positioning device in embodiment 2.

In the figure: the core roller grinding machine comprises a material supporting plate 1, a first limiting groove 1-1, a second limiting groove 1-2, a core roller avoiding area 1-3, a workpiece to be ground 2, an adjustable limiting device 3, a limiting surface 3-1, a limiting block 3-2, a limiting bolt 3-3, a cavity 3-4, a bolt chute 3-5, a middle die 4, a core roller 5 and a roller 6.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1-3, a positioning device for integrally forming an axial ring forging comprises two material supporting plates 1 symmetrically arranged on a working table surface of a ring machine, wherein the material supporting plates are used for supporting a workpiece 2 to be rolled, an adjustable limiting device 3 is arranged on each material supporting plate 1, and a limiting surface 3-1 of the adjustable limiting device 3 is in contact fit with the outer peripheral surface of a middle die 4;

in this embodiment 1, the adjustable limiting device 3 includes a limiting block 3-2 and two limiting bolts 3-3, each material supporting plate 1 is provided with a first limiting groove 1-1 and a second limiting groove 1-2, the limiting block 3-2 is provided with a bolt sliding groove 3-5, and the limiting block 3-2 is mounted in a locking manner by adopting the limiting bolts and matching with the first limiting groove 1-1 and the second limiting groove 1-2 respectively through the bolt sliding grooves 3-5 (locking nuts are not shown in the figure). The limiting surface 3-1 of the limiting block 3-2, which is contacted with the middle die 4, is a concave arc surface. In this embodiment 1, the diameter of the limiting surface 3-1 on the limiting block 3-2 is equal to or larger than the outer peripheral diameter of the intermediate die 4. The extension lines of the first limit groove 1-1 and the second limit groove 1-2 on each material supporting plate 1 are mutually perpendicular, and the horizontal connecting lines between the first limit groove 1-1 and the main roller and between the first limit groove 1 and the core roller are mutually perpendicular. In the utility model, the upper end and the lower end of the limit bolt are locked and installed by adopting the locking nuts, which belongs to the prior art and is not described in detail.

In embodiment 1, the adjustable stop device 3 is adjusted as follows: after the middle mold 4 is placed on the material supporting plate 1, the limit bolts 3-3 can be unscrewed, and then the limit bolts are moved along the first limit groove 1-1 and the second limit groove 1-2, so that the distance between the limit blocks 3-2 on the two material supporting plates 1 is adjusted until the limit surfaces 3-1 of the limit blocks 3-2 on two sides are in contact fit with the outer peripheral surface of the middle mold 4, and then the bolts are screwed for positioning, so that the middle mold 4 is radially limited by matching with the carrier rollers in the rotation process of the middle mold 4.

In this embodiment 1, a core roller avoidance area 1-3 is provided on a side surface of the material supporting plate 1, which is close to the core roller 5, and the core roller avoidance area 1-3 is a concave arc area, and the diameter of the core roller avoidance area 1-3 is greater than or equal to the diameter of any core roller to be replaced.

Example 2

As shown in fig. 4-6, the positioning device for integrally forming the axial ring forging comprises two material supporting plates 1 symmetrically arranged on the working table surface of the ring machine, wherein the material supporting plates 1 are used for supporting a workpiece 2 to be rolled, the material supporting plates 1 are provided with adjustable limiting devices 3, and the limiting surfaces 3-1 of the adjustable limiting devices 3 are contacted and attached with the outer peripheral surface of a middle die 4;

in this embodiment 2, the adjustable limiting device 3 includes a limiting block 3-2 and two limiting bolts 3-3, each material supporting plate 1 is provided with a first limiting groove 1-1 and a second limiting groove 1-2, the limiting block 3-2 is provided with a bolt sliding groove 3-5, and the limiting block 3-2 is mounted in a locking manner by adopting the limiting bolts and matching with the first limiting groove 1-1 and the second limiting groove 1-2 respectively through the bolt sliding grooves 3-5 (locking nuts are not shown in the figure). In embodiment 2, the diameter of the limiting surface 3-1 on the limiting block 3-2 is equal to or larger than the outer peripheral diameter of the intermediate die 4. The extension lines of the first limit groove 1-1 and the second limit groove 1-2 on each material supporting plate 1 are mutually perpendicular, and the horizontal connecting lines between the first limit groove 1-1 and the main roller and the core roller 5 are mutually perpendicular.

In this embodiment 2, a cavity 3-4 is formed in the limit surface 3-1 of the limit block 3-2 along the circumferential direction, and 2 rollers 6 are arranged in the cavity 3-4 along the arc surface of the limit surface 3-1, and the rollers 6 are in contact fit with the middle mold 4. In this embodiment 2, the roller 6 is rotatably connected in the cavity 3-4 (the connection manner is not described in detail in the prior art), so as to reduce the contact friction with the middle mold 4, thereby reducing the abrasion between the middle mold 4 and the limiting block 3-2, and prolonging the service life. The roller of the utility model can be replaced by parts such as balls and the like which can reduce friction.

In this embodiment 2, a core roller avoidance area 1-3 is provided on a side surface of the material supporting plate 1, which is close to the core roller 5, and the core roller avoidance area 1-3 is a concave arc area, and the diameter of the core roller avoidance area 1-3 is greater than or equal to the diameter of any core roller 5 to be replaced.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The positioning device for integrally forming the axial ring forging is characterized by comprising two material supporting plates symmetrically arranged on the working table surface of the ring machine and used for supporting a workpiece to be rolled, wherein an adjustable limiting device is arranged on the material supporting plates, and the limiting surface of the limiting device is in contact fit with the outer peripheral surface of the middle die.

2. The positioning device for integral forming of an axial ring forging according to claim 1, wherein the limiting device comprises a limiting block and two limiting bolts, each material supporting plate is provided with a first limiting groove and a second limiting groove, the limiting block is provided with a bolt sliding groove, and the limiting block is respectively locked and installed with the first limiting groove and the second limiting groove through the bolt sliding groove by adopting the limiting bolts.

3. The positioning device for integral forming of axial ring forging according to claim 2, wherein extension lines of the first limit groove and the second limit groove on each material supporting plate are perpendicular to each other, and horizontal connection lines between the first limit groove and the main roller and the core roller are perpendicular to each other.

4. The positioning device for integral forming of an axial ring forging according to claim 2, wherein a limiting surface of the limiting block, which is in contact with the middle die, is a concave arc surface.

5. The positioning device for integral forming of an axial ring forging according to claim 4, wherein a diameter of a limiting surface on the limiting block is equal to or larger than an outer peripheral diameter of the intermediate die.

6. The positioning device for integral forming of an axial ring forging according to claim 5, wherein a cavity is formed in the circumferential direction on the limiting surface of the limiting block, a plurality of rollers are arranged in the cavity along the arc-shaped surface of the limiting surface, and the rollers are in contact fit with the middle die.

7. The positioning device for integral forming of an axial ring forging according to any one of claims 1 to 6, wherein a core roll avoiding area is arranged on a side surface, close to the core roll, of the material supporting plate, and the core roll avoiding area is a concave arc-shaped area.

8. The positioning device for integral forming of an axial ring forging according to claim 7, wherein a diameter of said core roll escape area is equal to or larger than a diameter of any core roll to be replaced.