CN216729325U

CN216729325U - Ring rolling tool for small thin-wall ring piece

Info

Publication number: CN216729325U
Application number: CN202123418999.6U
Authority: CN
Inventors: 沈志远; 任荣新; 李少雨
Original assignee: Avic Excellence Forging Wuxi Co ltd
Current assignee: Avic Excellence Forging Wuxi Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-14
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a small-sized thin-wall ring rolling tool, which comprises a main roller and a novel core roller, wherein a positioning clamping groove is formed in the inner side of the main roller, a front holding roller and a rear holding roller are movably connected to one side of the main roller, annular blanks are detachably connected to the inner sides of the front holding roller and the rear holding roller, the inner side of each annular blank is movably connected with the core roller, the upper end of the core roller is fixedly connected with a core roller end, the upper end of each annular blank is movably connected with an upper conical roller, and one end of each upper conical roller is fixedly connected with a first connecting shaft. According to the small-sized thin-wall ring rolling tool, the equipment tool is improved, the purpose that ring forgings exceeding the lower limits of the diameter and the wall thickness are produced on the equipment is achieved, the positioning core roller assembly is added, the ring blank in the processing process can be conveniently limited, and the blank is prevented from being uneven in texture due to deviation in the processing process.

Description

Ring rolling tool for small thin-wall ring piece

Technical Field

The utility model relates to the field of ring rolling tools for ring pieces, in particular to a ring rolling tool for small thin-wall ring pieces.

Background

The ring rolling tool for the small thin-wall ring piece is a tool for rolling the small thin-wall ring piece, a special tool is required to be used for quickly producing the small thin-wall ring piece in the production and machining process, and professional production equipment of the annular forged piece mainly comprises a ring rolling machine and a ring expanding machine, wherein the ring rolling machine is mainly used for producing the small annular forged piece within 1 meter, the ring rolling machine is mainly used for producing the larger annular forged piece, and along with the continuous development of science and technology, the requirements of people on the manufacturing process of the ring rolling tool for the small thin-wall ring piece are higher and higher.

In the prior art, the patent with the publication number of CN201922104389.5 discloses a forging device for a ring rolling process of an aluminum alloy thin-wall tapered ring, which comprises an autonomously rotating driving roller, a core roller, an upper roller, a lower roller and a lower roller, wherein the axis of the autonomously rotating driving roller is parallel to the axis of a blank or a finished product forged piece, the driving roller is used for driving the blank or the finished product forged piece to rotate and is in pressure contact with the outer peripheral wall of the blank or the finished product forged piece, the axis of the core roller is parallel to the axis of the blank or the finished product forged piece, the outer peripheral wall of the core roller is in pressure contact with the inner peripheral wall of the blank or the finished product forged piece, the circumferential surface of the upper roller presses the upper end surface of the blank or the finished product forged piece downwards, the circumferential surface of the lower roller supports the lower end surface of the blank or the finished product forged piece, the lower roller and the upper roller clamp the blank or the finished product forged piece together axially together, so as to manufacture the thin-wall tapered ring with high section profile accuracy and accurate size, firstly, the existing tool cannot process small-wall tapered ring beyond certain range, the small-sized thin-wall ring rolling tool is not beneficial to use by people, the blank is easy to deviate in the machining process of the existing tool, the texture of the blank in the ring rolling process is not uniform enough, certain adverse effect is brought to the use process of people, and therefore the small-sized thin-wall ring rolling tool is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a ring rolling tool for small thin-wall ring parts, which realizes the production of ring forgings exceeding the lower limit of the diameter and the wall thickness on the equipment by improving the design of the equipment tool, is convenient for limiting the ring part blank in the processing process by adding a positioning core roller assembly, prevents the blank from being uneven in texture caused by the deviation in the processing process of the blank, and can effectively solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a small-size thin wall ring spare ring rolling frock, includes home roll and novel core roller, positioning channel has been seted up to the inboard of home roll, embrace the roller before one side swing joint of home roll, after embrace the roller, preceding armful roller, the inboard of after embracing the roller can be dismantled and be connected with annular blank, the inboard swing joint of annular blank has the core roller, the upper end fixedly connected with core roller end of core roller.

Preferably, the upper end swing joint of annular blank has last conical rollers, the one end fixedly connected with connecting axle of last conical rollers, a joint groove has been seted up in the outside of a connecting axle, the lower extreme swing joint of annular blank has lower conical rollers, the one end fixedly connected with connecting axle No. two of lower conical rollers.

Preferably, No. two joint grooves have been seted up in the outside of No. two connecting axles, the outside fixedly connected with roll-in post of novel core roller, the spacing groove has been seted up to one side of roll-in post, the upper end fixedly connected with stopper of novel core roller, the upper end fixedly connected with end of stopper.

Preferably, the main roller and the positioning clamping groove are integrally formed through casting, and one side of the main roller is movably connected with the outer side of the annular blank through the core roller, the front holding roller and the rear holding roller.

Preferably, the upper conical roller, the first clamping groove, the first connecting shaft, the lower conical roller, the second clamping groove and the second connecting shaft are integrally formed in a casting mode.

Preferably, the novel core roller, the limiting groove, the rolling column, the limiting block and the end head are integrally formed in a cutting mode.

(III) advantageous effects

Compared with the prior art, the utility model provides a small-sized thin-wall ring rolling tool, which has the following beneficial effects:

1. according to the small-size thin-wall ring rolling tool, the ring forging exceeding the lower limit of the diameter and the wall thickness is produced on the equipment by improving the design of the equipment tool.

2. This small-size thin wall ring spare ring rolling frock can fix a position the core roller subassembly through increasing, is convenient for carry out spacing operation to the ring spare stock in the course of working, prevents that the stock course of working from taking place the skew and causing the stock texture inhomogeneous.

Drawings

FIG. 1 is a schematic structural diagram of a ring rolling tool for small thin-wall ring pieces.

FIG. 2 is a schematic structural diagram of a section of a small-sized thin-wall ring rolling tool in the production process.

FIG. 3 is a schematic structural diagram of a novel core roller in the ring rolling tool for the small-sized thin-wall ring piece.

FIG. 4 is a schematic structural diagram of a production section of a new roller in the ring rolling tool for the small-sized thin-wall ring piece.

Reference numerals: 1. a main roller; 2. a core roll; 3. front holding rollers; 4. a rear holding roller; 5. an upper conical roller; 6. a lower conical roller; 7. an annular blank; 8. positioning the clamping groove; 9. the core roll end; 10. a first clamping groove; 11. a first connecting shaft; 12. a second clamping groove; 13. a second connecting shaft; 14. a limiting groove; 15. a novel core roll; 16. rolling the column; 17. a limiting block; 18. and (4) a terminal.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows:

as shown in fig. 1-4, a ring rolling tool for a small-sized thin-wall ring piece comprises a main roller 1 and a novel core roller 15, wherein a positioning clamping groove 8 is formed in the inner side of the main roller 1, a front holding roller 3 and a rear holding roller 4 are movably connected to one side of the main roller 1, an annular blank 7 is detachably connected to the inner sides of the front holding roller 3 and the rear holding roller 4, a core roller 2 is movably connected to the inner side of the annular blank 7, and a core roller end 9 is fixedly connected to the upper end of the core roller 2.

The upper end swing joint of annular blank 7 has last conical rollers 5, and the one end fixedly connected with connecting axle 11 of last conical rollers 5, a joint groove 10 has been seted up in the outside of connecting axle 11, and the lower extreme swing joint of annular blank 7 has lower conical rollers 6, and the one end fixedly connected with connecting axle 13 No. two of lower conical rollers 6.

No. two joint groove 12 has been seted up in the outside of No. two connecting axles 13, and novel core roller 15's outside fixedly connected with roll-in post 16, and spacing groove 14 has been seted up to one side of roll-in post 16, and novel core roller 15's upper end fixedly connected with stopper 17, stopper 17's upper end fixedly connected with end 18, main roll 1 is rotatory around self axis, and core roller 2 is along Y axle parallel motion, preceding, back armful roller circular motion is separately the centre of a circle.

The main roller 1 and the positioning clamping groove 8 are integrally formed through casting, one side of the main roller 1 is movably connected with the outer side of the annular blank 7 through the core roller 2, the front holding roller 3 and the rear holding roller 4, the upper conical roller 5 can move along two directions of Y, Z, and the lower conical roller 6 can only move along the Y axis.

The upper conical roller 5, the first clamping groove 10, the first connecting shaft 11, the lower conical roller 6, the second clamping groove 12 and the second connecting shaft 13 are integrally formed in a casting mode, when the ring rolling machine works, the annular blank 7 is sleeved into the core roller 2, the core roller 2 drives the annular blank 7 to move along the Y-axis direction to the main roller, and the main roller 1 rotates to drive the annular blank 7 to rotate.

Example two:

No. two joint grooves 12 have been seted up in the outside of No. two connecting axles 13, and novel core roller 15's outside fixedly connected with roll-in post 16, and spacing groove 14 has been seted up to one side of roll-in post 16, and novel core roller 15's upper end fixedly connected with stopper 17, stopper 17's upper end fixedly connected with end 18, and the increase of 7 wall thickness attenuate diameters of annular blank under the effect has been extruded at core roller 2, and simultaneously, upward conical rollers 5 moves down along the Z axial makes annular blank 7 highly reach required height dimension requirement.

The novel core roller 15, the limiting groove 14, the rolling column 16, the limiting block 17 and the end head 18 are integrally formed in a cutting mode, and the front and rear holding rollers play a role in neutralizing and shaping the ring forging in the ring forging increasing process, so that the roundness of the ring forging is ensured.

The utility model is to be noted that the utility model is a ring rolling tooling for small thin-wall ring members, which comprises a main roller 1, a novel core roller 15, a core roller 2, a front holding roller 3, a rear holding roller 4, an upper conical roller 5, a lower conical roller 6, an annular blank 7, a positioning clamping groove 8, a core roller end 9, a first clamping groove 10, a first connecting shaft 11, a second clamping groove 12, a second connecting shaft 13, a limiting groove 14, a novel core roller 15, a rolling column 16, a limiting block 17 and an end 18, wherein the main roller 1 rotates around the axis thereof, the core roller 2 moves in parallel along the Y axis, the centers of the front and rear holding rollers respectively do circular arc motion, the upper conical roller 5 can move along two directions Y, Z, the lower conical roller 6 can only move along the Y axis, when the ring rolling machine works, the annular blank 7 is sleeved into the core roller 2, the core roller 2 drives the annular blank 7 to move along the Y axis, the main roller 1 rotates to drive the annular blank 7 to rotate, the annular blank 7 is extruded by the main roller 2, the annular blank 7, the wall thickness and the diameter of the annular blank is increased under the extrusion effect of the ring rolling machine, simultaneously, go up conical roll 5 and move down along the Z axial and make annular blank 7 highly reach required height dimension requirement, it is preceding, back armful roller plays the effect to the ring forging to the neutralization plastic at the ring forging increase in-process, ensure ring forging circularity, through improving the design to equipment frock, the ring forging that has realized producing on this kind of equipment and surpass diameter and wall thickness lower limit, can fix a position core roller subassembly through increasing, be convenient for carry out spacing operation to the ring piece stock in the course of working, it causes the stock texture inhomogeneous to prevent that the stock course of working from taking place the skew, whole easy operation is swift, and is relatively practical.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a small-size thin wall ring spare ring rolling frock, includes main roll (1) and novel core roller (15), its characterized in that: positioning clamping groove (8) have been seted up to the inboard of home roll (1), embrace roller (3), back armful roller (4) before one side swing joint of home roll (1), preceding armful roller (3), the inboard of back armful roller (4) can be dismantled and be connected with annular blank (7), the inboard swing joint of annular blank (7) has core roller (2), the upper end fixedly connected with core roller end (9) of core roller (2).

2. The ring rolling tool for the small-sized thin-walled ring piece according to claim 1, wherein: conical rollers (5) on the upper end swing joint of annular blank (7), go up connecting axle (11) of one end fixedly connected with of conical rollers (5), a joint groove (10) has been seted up in the outside of connecting axle (11), conical rollers (6) under the lower extreme swing joint of annular blank (7), connecting axle (13) is No. two to the one end fixedly connected with of conical rollers (6) down.

3. The ring rolling tool for the small-sized thin-walled ring piece according to claim 2, wherein: no. two joint groove (12) have been seted up in the outside of No. two connecting axle (13), novel outside fixedly connected with roll-in post (16) of core roller (15), spacing groove (14) have been seted up to one side of roll-in post (16), novel upper end fixedly connected with stopper (17) of core roller (15), upper end fixedly connected with end (18) of stopper (17).

4. The ring rolling tool for the small-sized thin-walled ring piece according to claim 1, wherein: the main roller (1) and the positioning clamping groove (8) are integrally formed through casting, and one side of the main roller (1) is movably connected with the outer side of the annular blank (7) through the core roller (2), the front holding roller (3) and the rear holding roller (4).

5. The ring rolling tool for the small-sized thin-walled ring piece according to claim 2, wherein: go up cone roll (5) and a joint groove (10), a connecting axle (11) and down cone roll (6) and No. two joint groove (12), No. two connecting axle (13) all through the mode integrated into one piece of casting.

6. The ring rolling tool for the small-sized thin-walled ring piece according to claim 3, wherein: the novel core roller (15), the limiting groove (14), the rolling column (16), the limiting block (17) and the end head (18) are integrally formed in a cutting mode.