CN214392164U

CN214392164U - Arc forging piece system of processing

Info

Publication number: CN214392164U
Application number: CN202023227907.1U
Authority: CN
Inventors: 周勇; 刘强; 陈玉
Original assignee: Southwest Aluminum Group Co Ltd
Current assignee: Southwest Aluminum Group Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-10-15
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an arc forging system of processing, it is right including the forging machine that is used for processing arc forging and be used for the arc forging carries out the cold deformation mould that cold deformation and aligning, be equipped with in the cold deformation mould with the off-the-shelf shape of arc forging and the same mould die cavity of size. The utility model provides an arc forging processing system, through having increased the cold deformation mould, the mould die cavity that adopts the cold deformation mould restricts the appearance of arc forging, make its atress stable, the arc size of demand has been preset to the mould die cavity simultaneously, arc forging off-the-shelf size promptly, further ensure this arc forging at the in-process of cold deformation, the deformation goes on towards the product size direction that meets the requirements, effectively solve this arc forging machine and add the technical bottleneck of warping and aligning difficulty, produce qualified product, gain apparent economic benefits.

Description

Arc forging piece system of processing

Technical Field

The utility model relates to an arc forges the field, especially relates to an arc forging piece system of processing.

Background

For the arc-shaped forge piece, the arc-shaped forge piece is curved in an arc shape, the diameter of the arc is 3-4 meters, the length of the arc is 2.5-3.5 meters, the length of the whole arc is 2.5-3.5 meters, protruding ribs exist on the whole arc, the cross section of the arc-shaped forge piece is in a T shape, the arc size of the arc-shaped forge piece is not easy to control, and the arc-shaped forge piece is seriously deformed and difficult to straighten due to the influence of residual stress after quenching; adopt conventional cold deformation mode, be the megaradian because of arc forging overall dimension, the atress is unstable, very easily leads to the arc to be straightened, and arc diameter grow is not conform to the product size requirement, and arc forging cross section becomes the T type in addition, and conventional cold deformation mode can only carry out residual stress from the muscle portion and eliminate, and is effectual.

Meanwhile, the conventional cold deformation method is difficult to control the size, the large-radian appearance of the forged piece easily causes product scrapping, and a finished product cannot be processed due to stress deformation in the subsequent machining process of the part, so that the production of the arc forged piece is greatly limited.

Therefore, how to effectively improve the forming quality of the arc-shaped forge piece is a technical problem which needs to be solved by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an arc forging piece system of processing for improve the shaping quality of arc forging piece, reduce cold deformation, improve the product percent of pass.

In order to achieve the above object, the utility model provides a following technical scheme:

the arc-shaped forge piece processing system comprises a forge piece machine for processing the arc-shaped forge piece and a cold deformation die for performing cold deformation and straightening on the arc-shaped forge piece, wherein a die cavity which is the same as the shape and the size of the finished arc-shaped forge piece is arranged in the cold deformation die.

Preferably, the cold deformation die comprises an upper die and a lower die, the bottom of the upper die protrudes downwards, the top of the lower die is recessed downwards, and an arc-shaped die cavity is formed between the upper die and the lower die.

Preferably, the section of the arc-shaped forging is T-shaped, and a groove for fixing the joint of the arc-shaped forging is formed in the die cavity.

Preferably, a platform used for limiting the ribs of the arc-shaped forge piece is further arranged in the die cavity.

Preferably, a plurality of bosses are further arranged on two sides of the rib of the arc-shaped forging; and an avoiding groove for placing the boss is further formed in the mold cavity of the cold deformation mold.

Preferably, the arc diameter of the finished arc forging is 3.5-4m, and the arc length is 2.8-3.2 m.

The utility model provides an arc forging system of processing, it is right including the forging machine that is used for processing arc forging and be used for the arc forging carries out the cold deformation mould that cold deformation and aligning, be equipped with in the cold deformation mould with the off-the-shelf shape of arc forging and the same mould die cavity of size. The utility model provides an arc forging processing system, through having increased the cold deformation mould, the mould die cavity that adopts the cold deformation mould restricts the appearance of arc forging, make its atress stable, the arc size of demand has been preset to the mould die cavity simultaneously, arc forging off-the-shelf size promptly, further ensure this arc forging at the in-process of cold deformation, the deformation goes on towards the product size direction that meets the requirements, effectively solve this arc forging machine and add the technical bottleneck of warping and aligning difficulty, produce qualified product, gain apparent economic benefits.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an arc forging;

fig. 2 is a schematic structural diagram of a specific embodiment of a cold deformation mold in the arc-shaped forge piece processing system provided by the present invention;

fig. 3 is a top view of a die cavity of a cold-deformation die in the arc-shaped forge piece processing system provided by the present invention;

wherein: an arc-shaped forge piece-1, an upper die-2, a lower die-3, a groove-4 and a platform-5.

Detailed Description

The core of the utility model is to provide an arc forging piece system of processing for improve the shaping quality of arc forging piece, reduce cold deformation, improve the product percent of pass.

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of an arc-shaped forging; fig. 2 is a schematic structural diagram of a specific embodiment of a cold deformation mold in the arc-shaped forge piece processing system provided by the present invention; fig. 3 is a top view of the die cavity of the cold deformation die in the arc forging processing system.

In this embodiment, the arcuate forging processing system includes a forging machine and a cold-deforming die.

The forging machine is used for processing the arc-shaped forging 1, the cold deformation die is used for carrying out cold deformation and straightening on the arc-shaped forging 1, and a die cavity which is the same as the finished arc-shaped forging 1 in shape and size is arranged in the cold deformation die.

The utility model provides an arc forging piece system of processing, through having increased the cold deformation mould, the mould die cavity that adopts the cold deformation mould restricts arc forging piece 1's appearance, make its atress stable, the arc size of demand is preset to the mould die cavity simultaneously, 1 off-the-shelf size of arc forging piece promptly, further ensure this arc forging piece 1 at the in-process of cold deformation, it goes on towards the product size direction that meets the requirements to warp, effectively solve 1 machine of this arc forging piece and add the technical bottleneck of warping and aligning difficulty, produce qualified product, gain the economic benefits who is showing.

Specifically, the cold deformation mould includes mould 2 and lower mould 3, goes up the downward protrusion in bottom of mould 2, and the top undercut of lower mould 3 forms curved mould die cavity between last mould 2 and the lower mould 3, and arc forging 1 is placed in the mould die cavity.

On the basis of the above embodiments, the section of the arc forging 1 is T-shaped, and the die cavity is provided with a groove 4 for fixing the joint of the arc forging 1. Further, still be equipped with in the mould die cavity and be used for carrying on spacing platform 5 to the rib of arc forging 1. Specifically, the joint of the arc-shaped forging 1 is a T-shaped top and is a cold deformation main area, the rib plate is a T-shaped leg and is a cold deformation secondary area, the groove 4 in the die cavity is used for placing the joint of the arc-shaped forging 1 and is used for limiting the cold deformation main area of the arc-shaped forging 1, the platform 5 in the die cavity is used for bearing the force of ribs, and the T-shaped top of the arc-shaped forging 1 is vertically arranged and placed in the die cavity as shown in fig. 1.

Specifically, a plurality of bosses are arranged on two sides of the rib of the arc forging 1; the mould die cavity of cold deformation mould still is equipped with the groove of dodging that supplies the boss to put into, and is concrete, dodges the groove and offers on the bellying face of last mould 2 to and on the sunken face of lower mould 3, supply the boss to put into, make the size of the arc forging 1 after the cold deformation more accurate.

The cold deformation die in the arc-shaped forge piece processing system is simple and practical in design, the reality of production is closely combined, the difficult problem of residual stress elimination and straightening is effectively solved, the technical bottleneck of the arc-shaped forge piece 1 is broken through, the working efficiency is also improved, the labor intensity is reduced, and good economic benefits are created.

Specifically, the utility model provides an arc forging piece system of processing includes the processing method to the arc forging piece:

step S1: forging the blank to obtain an arc-shaped forging piece 1, specifically, forging the blank by using a forging machine to obtain the arc-shaped forging piece 1;

step S2: quenching the arc-shaped forging 1, wherein the arc-shaped forging 1 after quenching is easy to deform;

step S3: aiming at the overall dimension of the arc-shaped forging 1, determining the stress conditions of different parts, designing the dimension, the appearance and the pressing amount of a die cavity in a cold deformation die, and carrying out cold treatment and straightening on the quenched arc-shaped forging 1 by adopting the cold deformation die, wherein the cold deformation die can effectively limit the deformation degree of the arc-shaped forging 1; specifically, the joint of the arc forging 1 is a main cold deformation area, the deformation is large, a relatively large pressing amount is required to be set, the rib plate is a secondary cold deformation area, the deformation is small, a relatively small pressing amount is required to be set, the groove 4 in the die cavity is used for placing the joint of the arc forging 1 and limiting the main cold deformation area of the arc forging 1, the platform 5 in the die cavity is used for bearing the force of ribs, and the T-shaped top of the arc forging 1 is vertically arranged and placed in the die cavity; the rolling reduction of the cold deformation die can be set according to the size difference between the deformation degree after quenching and the finished product of the arc forging 1;

step S4: and opening the die to obtain the finished product of the arc forging 1.

On the basis of the above embodiments, the arc diameter of the finished product of the arc forging 1 is 3.5-4m, and the arc length is 2.8-3.2 m. Specifically, the arc diameter of the arc forging 1 is 3.76 meters, the arc length reaches 2.95 meters, the overall length is 2.8 meters, namely the distance between two end parts of the arc forging 1 is 2.8 meters, protruding ribs exist on the whole, and the cross section is in a T shape.

According to the arc forging processing system provided by the embodiment, the main area and the secondary area of the quenched residual stress are distinguished according to the specific size of the arc forging 1, and different deformation amounts are carried out, so that the uniformity of stress relief is achieved, and the deformation of subsequent machining is avoided. By adopting cold deformation in the die, the stress conditions of different parts are determined according to the overall dimension of the arc-shaped forge piece 1, and the stress direction and the deformation degree are limited by controlling the dimension and the profile of the die cavity and designing corresponding pressing amount. Simultaneously, the cold deformation mould adopts upper and lower mould 3, and lower mould 3 adopts sunken arc to bear arc forging 1 to fix a position through the die cavity and stabilize, go up mould 2 and adopt protrusion arc to exert pressure to arc forging 1, under the pressure effect of upper and lower mould 3, carry out cold deformation to arc forging 1 and eliminate residual stress, straighten arc forging 1 through the mould die cavity, go on cold deformation and straightening simultaneously, and is simple high-efficient, effectively solves the technological bottleneck of arc forging 1 machine adding deformation and straightening difficulty simultaneously.

It is right above the utility model provides an arc forging piece system of processing has carried out detailed introduction. The principle and the implementation of the present invention are explained herein by using specific examples, and the above descriptions of the embodiments are only used to help understand the processing method and the core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The arc-shaped forge piece processing system is characterized by comprising a forge piece machine for processing an arc-shaped forge piece (1) and a cold deformation die for performing cold deformation and straightening on the arc-shaped forge piece (1), wherein a die cavity with the same shape and size as the finished arc-shaped forge piece (1) is arranged in the cold deformation die.

2. The arc forging processing system of claim 1, wherein the cold deformation die comprises an upper die (2) and a lower die (3), the bottom of the upper die (2) protrudes downwards, the top of the lower die (3) is recessed downwards, and an arc-shaped die cavity is formed between the upper die (2) and the lower die (3).

3. The arc forging processing system of claim 2, wherein the arc forging (1) is T-shaped in cross section, and a groove (4) for fixing the joint of the arc forging (1) is formed in the die cavity.

4. The arc forging processing system of claim 3, wherein a platform (5) for limiting ribs of the arc forging (1) is further arranged in the die cavity.

5. The arc forging processing system of claim 3 or 4, wherein a plurality of bosses are further arranged on two sides of the ribs of the arc forging (1); and an avoiding groove for placing the boss is further formed in the mold cavity of the cold deformation mold.

6. The arc forging processing system of claim 5, wherein the arc diameter of the finished arc forging (1) is 3.5-4m, and the arc length is 2.8-3.2 m.