CN213856869U

CN213856869U - Lightweight design abrasion-resistant large-scale free forging hammer anvil

Info

Publication number: CN213856869U
Application number: CN202022171098.0U
Authority: CN
Inventors: 陈明; 鲁博; 李雪; 郭彪; 胡振志; 李春辉; 宋新双; 孙统辉
Original assignee: Luoyang Recasting Forging Co ltd; CITIC Heavy Industries Co Ltd
Current assignee: Luoyang Recasting Forging Co ltd; CITIC Heavy Industries Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-03
Anticipated expiration: 2030-09-28

Abstract

The utility model provides a large-scale free forging hammer anvil that lightweight design is stand wear and tear, this hammer anvil changes the square cross-section appearance structure that large-scale free forging hammer anvil is commonly used, designs into "protruding" style of calligraphy cross-section structure, and the partial cross-section that upper portion and free forging press are connected is little, and the partial cross-section that the lower part and work piece contact were forged is big, can significantly reduce hammer anvil preparation raw and other materials under the unchangeable circumstances of assurance working face size, effectively reduces the forging cost; in addition, the hammer anvil working part is divided into two parts, namely a part which is in constant contact with the workpiece and a part which is not in constant contact with the workpiece, different materials are respectively selected, the part which is not in constant contact is made of common die steel materials with lower cost, and the part which is in contact is made of high-temperature wear-resistant alloy materials with better wear resistance; the working surface is subjected to surface wear-resistant treatment, so that the wear-resistant effect is further enhanced; and a layer of wear-resistant coating is added on the surface subjected to wear-resistant treatment for multiple protection.

Description

Lightweight design abrasion-resistant large-scale free forging hammer anvil

Technical Field

The utility model belongs to the technical field of utensil is assisted to large-scale free forging frock, concretely relates to large-scale free forging hammer stock that lightweight design is stand wear and tear.

Background

In the large-scale free forging production process, the free forging press transfers the pressure to the metal blank through the hammer anvil, so that the metal blank is deformed. The large free forging hammer anvil is usually in a square section shape structure, wherein the upper part of the large free forging hammer anvil is connected with a free forging press through a forging plate, the lower part of the large free forging hammer anvil is a working part, the press applies pressure to the hammer anvil through the forging plate during forging production, and the hammer anvil applies pressure to a workpiece through the working surface.

When forging, the anvil and the workpiece are in direct contact, so that the anvil can bear great pressure and high-temperature hot erosion of the workpiece. The forging hammer is often worn and torn easily with work piece contact part, causes the forging hammer working face to be defective, influences forging product appearance quality, causes the forging hammer to scrap when serious, can't continue to use. On the other hand, the large free forging anvil applied in the industry at present generally has a square section, and because the size of the anvil is large, raw materials for manufacturing the anvil are consumed greatly, and the anvil is dozens of tons in size and hundreds of tons in size.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a large-scale free forging hammering block that lightweight design is stand wear and tear aims at improving the stand wear resistance of large-scale free forging hammering block, improves hammering block life, reduces hammering block preparation raw and other materials weight simultaneously, reduces hammering block cost of manufacture.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a large-scale free forging hammer block that lightweight design is stand wear and tear, the top of this hammer block is connected to the forging board, the whole type structure that is of longitudinal section of this hammer block, it includes the connection part and the work pressure bearing portion that the integral type set up, the top that sets up perpendicularly between the two and connection part is connected to the forging board, the assembly groove has been seted up to the bottom of work pressure bearing portion and the assembly piece of being made by high temperature wear-resisting alloy material is inlayed to detachable in the assembly groove, the lower terminal surface of assembly piece and the lower terminal surface parallel and level of work pressure bearing portion, and common and the surface treatment layer and the wear-resisting coating of having set gradually on the lower terminal surface between them.

Further, the assembling groove is arranged at the middle position of the bottom of the working pressure bearing part and is arranged along the width direction of the working pressure bearing part, and the length of the assembling groove accounts for 1/4-1/2 of the total length of the working pressure bearing part.

Furthermore, the assembly block and the working pressure-bearing part are in dovetail connection.

Furthermore, a positioning stud is arranged at the joint of the assembling block and the working bearing part.

Further, the length of the connecting part accounts for 1/4-1/2 of the total length of the work pressure bearing part.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the invention designs the longitudinal section of the hammer anvil into a convex-shaped structure, and the design of the convex-shaped section structure can greatly reduce the manufacturing raw materials of the forging hammer under the condition of ensuring that the size of a working surface is not changed, thereby effectively reducing the cost of a forging piece, simultaneously reducing the self weight and improving the convenience of using, installing and hoisting the hammer anvil;

2. according to the invention, the bottom of the working pressure bearing part is provided with an assembly groove, and an assembly block made of high-temperature wear-resistant alloy material is detachably embedded in the assembly groove, the working part of the hammer anvil is divided into two parts according to the use and stress characteristics of the hammer anvil, namely, the part which is in constant contact with a workpiece and the part which is not in constant contact with the workpiece are respectively made of different materials, the common die steel material with lower cost is selected as the part which is not in constant contact, and the high-temperature wear-resistant alloy material with better wear resistance is selected as the part which is in constant contact for differential material selection, so that the wear resistance of the hammer anvil can be greatly improved, and the material cost can be controlled to the maximum extent;

3. the lower end face of the assembling block is flush with the lower end face of the working pressure bearing part, and the lower end faces of the assembling block and the working pressure bearing part, namely the working face of the hammer anvil, are sequentially provided with the surface treatment layer and the wear-resistant coating, so that the wear-resistant performance of the working face of the hammer anvil can be improved, the wear-resistant coating is easy to re-spray after being worn, the service life of the hammer anvil is prolonged, and the production cost of an enterprise is further reduced.

Drawings

FIG. 1 is a schematic structural view of a large abrasion-resistant free-forging anvil with a lightweight design according to the present invention;

FIG. 2 is a schematic view of the present invention in a state of machining a workpiece;

the labels in the figure are: 1. a connecting part, 2, a working bearing part, 3, an assembly block, 4, a surface treatment layer, 5, a wear-resistant coating, 6, a forged plate, 7 and a workpiece.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

As shown in figure 1, the whole longitudinal section of the hammer anvil of the utility model is of a convex structure and mainly comprises a connecting part 1, a working pressure bearing part 2, an assembling block 3, a surface treatment layer 4 and a wear-resistant coating 5. The sectional dimension of the working bearing part 2 is determined according to the dimension range and the bearing pressure of the forged workpiece 7, the length of the connecting part 1 is 1/4-1/2 of the length of the working bearing part 2, in the embodiment, on the premise that the hammer anvil has good strength, in order to reduce the weight of the hammer anvil as far as possible, the length of the assembling block 3 is 1/3 of the length of the working bearing part 2, the widths of the assembling block and the hammer anvil are the same, and the height of the assembling block and the hammer anvil is set according to the net clearance of a press. The connecting part 1 and the working bearing part 2 are made of common die steel.

The bottom of the working bearing part 2 is provided with an assembly groove, an assembly block 3 made of high-temperature wear-resistant alloy materials is detachably embedded in the assembly groove, the length of the assembly block 3 is 1/4-1/2 of the length of the working bearing part 2, in order to prevent the working bearing part 2 from being worn by a

workpiece

7, 1/3 of the length of the working bearing part 2 is selected according to the length of the assembly block 3, and the widths of the assembly block and the working bearing part are the same. The assembling block 3 and the working bearing part 2 are in dovetail connection, and a positioning stud can be added at the joint to realize positioning and fixing when necessary. The assembly block 3 is a part which is frequently contacted with a workpiece, so the assembly block is made of wear-resistant high-temperature alloy. The lower end faces of the assembling block 3 and the working pressure bearing part 2 jointly form a working face of the hammer anvil after the assembling block and the working pressure bearing part are assembled, the working face of the hammer anvil needs to be subjected to surface wear-resistant treatment, chemical heat treatment can be selected, a surface treatment layer 4 is formed after the chemical heat treatment is completed, and then a wear-resistant coating 5 is sprayed on the surface of the surface treatment layer 4.

The utility model discloses after the equipment is accomplished, as shown in FIG. 2, its top is linked through forging board 6 and press, and the press passes through forging board 6 during actual production and transmits pressure to the hammering block to exert pressure to work piece 7 through the hammering block, make work piece 7 take place to warp. The anvil lower surface 1/3 has a length that is in constant contact with the workpiece, subject to hot erosion on the one hand, and maximum pressure on the other hand.

The principle of the utility model is as follows: the utility model discloses an aspect has reduced the consumption of hammering block preparation raw and other materials through the design of type of calligraphy cross-section structure, has reduced the hammering block dead weight, and on the other hand combines the actual production condition to cut apart into two parts with the working part of hammering block, carries out differentiation selection material preparation to wear-resisting processing has effectively improved the life of hammering block, has reduced the manufacturing cost of enterprise.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wear-resistant large free-forging anvil of light weight design, the top of which is connected to a forging plate, characterized in that: this hammer block's longitudinal section is whole to be convex style of calligraphy structure, it includes the connection part and the work pressure-bearing portion that the integral type set up, the top that sets up perpendicularly between the two and the connection part is connected to the forging board, the assembly groove has been seted up to the bottom of work pressure-bearing portion and the assembly piece that is made by high temperature wear-resisting alloy material is inlayed to detachable in the assembly groove, the lower terminal surface of assembly piece and the lower terminal surface parallel and level of work pressure-bearing portion, and common and set gradually surface treatment layer and wear-resisting coating on the lower terminal surface between them.

2. The heavy duty, wear resistant, large free-forging anvil of claim 1, wherein: the assembling groove is arranged at the middle position of the bottom of the working pressure bearing part and is arranged along the width direction of the working pressure bearing part, and the length of the assembling groove accounts for 1/4-1/2 of the total length of the working pressure bearing part.

3. The heavy duty, wear resistant, large free-forging anvil of claim 2, wherein: the assembly block is in dovetail connection with the working pressure-bearing part.

4. A lightweight, wear-resistant, large free-forging anvil design according to claim 3, wherein: and a positioning stud is also arranged at the joint of the assembling block and the working bearing part.

5. The heavy duty, wear resistant, large free-forging anvil of claim 1, wherein: the length of the connecting part accounts for 1/4-1/2 of the total length of the work pressure-bearing part.