CN211101365U

CN211101365U - Large-section efficient upsetting combined forming die

Info

Publication number: CN211101365U
Application number: CN201922104349.0U
Authority: CN
Inventors: 王豪杰; 陈玥生; 李丽
Original assignee: Henan Zhongmei Special Steel Co Ltd
Current assignee: Henan Zhongmei Special Steel Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-28
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to a high-efficient upsetting combined forming die of big section, including bearing the base, the lower half mould, first half mould, the position sleeve, the positioning hydraulic cylinder, the chopping block, pressure-bearing spring, lower half mould, first half mould are cylinder cavity structures, lower half mould inlays in bearing the base, the lower half mould up end passes through the position sleeve and is connected and coaxial distribution with first half mould, the position sleeve includes half cover on the left side and half cover on the right side, half cover on the left side and half cover up end on the right side and down the terminal surface respectively with lower half mould, first half mould is through two at least pressure-bearing spring connections, half cover on the left side and half cover rear end on the right side are connected with a positioning hydraulic cylinder respectively. On one hand, the novel structure has good structure adjusting capability and is convenient and fast to install and maintain; on the other hand, the forming precision can be effectively improved in the upsetting operation, and meanwhile, the grinding tool damage caused in the upsetting operation is effectively reduced.

Description

Large-section efficient upsetting combined forming die

Technical Field

The utility model relates to an upsetting die especially relates to a big high-efficient upsetting combined forming die of section.

Background

In the large-section workpiece upsetting operation, the currently used forming grinding tools are often die equipment based on a traditional bushing system, although the use requirements can be met, the production and processing find that on one hand, the structure of the current upsetting equipment is relatively fixed and cannot be effectively and flexibly adjusted according to the use requirements, so that the installation and removal operation efficiency is low, parts cannot be replaced after the die is damaged, and the repair operation efficiency is low, so that the currently used traditional upsetting die equipment has poor use flexibility, high operation and maintenance costs and short service life; on the other hand, when the current upsetting die is used for upsetting, the clamping and positioning capacity of the upsetting die on a raw material workpiece is poor, so that the precision and the forming efficiency of the upsetting operation are seriously influenced.

Therefore, in view of the current situation, there is an urgent need to develop a new upsetting mold structure to meet the needs of practical use.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a large-section high-efficiency upsetting combined forming die which has simple structure, convenient use and maintenance and good universality, has good structure adjusting capability on one hand, is convenient to install and maintain and can quickly realize replacement and repair of the damaged local structure of a drain pan, thereby achieving the purpose of reducing the use and maintenance cost; on the other hand, the forming precision can be effectively improved in the upsetting operation, meanwhile, the grinding tool damage caused in the upsetting operation can be effectively reduced, the requirement of the hot upsetting operation of the cold header can be flexibly met, and therefore the working efficiency and precision of the upsetting operation are greatly improved.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

the large-section efficient upsetting combined forming die comprises a bearing base, a lower half die, an upper half die, a positioning sleeve, a positioning hydraulic cylinder, a chopping board and pressure-bearing springs, wherein the bearing base is of a cylindrical cavity structure with the cross section being in the shape of 'L', the lower half die and the upper half die are of cylindrical cavity structures, the lower half die is embedded in the bearing base and is coaxially distributed with the bearing base, the upper end face of the lower half die is connected with the upper half die through the positioning sleeve and is coaxially distributed, the positioning sleeve comprises a left half sleeve and a right half sleeve, the left half sleeve and the right half sleeve are symmetrically distributed along the axis of the bearing base and are of circular arc structures coaxially distributed with the bearing base, the upper end face and the lower end face of the left half sleeve and the right half sleeve are respectively connected with the lower half die and the upper half die through at least two pressure-bearing springs, the rear end faces of the left half sleeve and the right half sleeve are respectively connected with one positioning hydraulic cylinder, the axis of the positioning hydraulic cylinder is perpendicular to and intersected with the axis of the left half sleeve, the middle point of the left half sleeve and the right half sleeve, the positioning hydraulic cylinder is connected.

Furthermore, bear base lateral wall internal surface, lower half mould, last half mould lateral wall internal surface and all establish at least three medium and high frequency heating coil, and parallelly connected each other between each medium and high frequency heating coil, high frequency heating coil all with bear base coaxial distribution to along bearing base axis top-down equipartition, and bear base, the mutual interval distribution between the medium and high frequency heating coil in the lower half mould.

Furthermore, the lower half mold and the bearing base are mutually connected in a sliding mode through at least three sliding grooves, and the sliding grooves are uniformly distributed around the axis of the bearing base and are distributed in parallel with the axis of the bearing base.

Furthermore, the outer side surface of the bearing base is provided with at least four positioning blocks which are uniformly distributed around the axis of the bearing base.

Furthermore, the pressure-bearing springs on the upper end surface and the lower end surface of the positioning sleeve are respectively connected with the lower half die and the upper half die in a sliding manner through guide slide rails, and the guide slide rails are embedded in the upper end surface of the lower half die and the lower end surface of the upper half die.

Furthermore, the positioning hydraulic cylinder is hinged with the upper end surface of the bearing base, and the axis of the positioning hydraulic cylinder forms an included angle of 0-90 degrees with the horizontal plane.

The novel structure is simple, convenient to use and maintain and good in universality, has good structure adjusting capacity on one hand, is convenient to install and maintain, and can quickly replace and repair the damaged local structure of the drain pan, so that the purposes of reducing the use and maintenance cost are achieved; on the other hand, the forming precision can be effectively improved in the upsetting operation, meanwhile, the grinding tool damage caused in the upsetting operation can be effectively reduced, the requirement of the hot upsetting operation of the cold header can be flexibly met, and therefore the working efficiency and precision of the upsetting operation are greatly improved.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figure 1, the large-section efficient upsetting combined forming die comprises a bearing base 1, a lower half die 2, an upper half die 3, a positioning sleeve 4, a positioning hydraulic cylinder 5, a chopping block 6 and a pressure-bearing spring 7, wherein the bearing base 1 is of a cylindrical cavity structure with a cross section of 'L', the lower half die 2 and the upper half die 3 are of cylindrical cavity structures, the lower half die 2 is embedded in the bearing base 1 and is coaxially distributed with the bearing base 1, the upper end face of the lower half die 2 is connected with the upper half die 3 through the positioning sleeve 4 and is coaxially distributed,

in this embodiment, the positioning sleeve 4 includes a left half sleeve 41 and a right half sleeve 42, the left half sleeve 41 and the right half sleeve 42 are symmetrically distributed about the axis of the bearing base 1 and are of circular arc structures coaxially distributed with the bearing base 1, the upper end surfaces and the lower end surfaces of the left half sleeve 41 and the right half sleeve 42 are respectively connected with the lower half mold 2 and the upper half mold 3 through at least two pressure-bearing springs 7, the rear end surfaces of the left half sleeve 41 and the right half sleeve 42 are respectively connected with a positioning hydraulic cylinder 5, the axis of the positioning hydraulic cylinder 5 is perpendicular to and intersects with the axes of the left half sleeve 41 and the right half sleeve 42, the intersection point is located at the midpoint position of the left half sleeve 41 and the right half sleeve 42, the positioning hydraulic cylinder 5 is connected with the upper end surface of the bearing base 1, and the chopping board 6 is connected with the upper end surface of the upper half.

It is emphasized that at least three medium-high frequency heating coils 8 are arranged on the inner surface of the side wall of the bearing base 1, the inner surface of the side wall of the lower half die 2 and the inner surface of the side wall of the upper half die 3, the medium-high frequency heating coils 8 are connected in parallel, the high-frequency heating coils 8 are coaxially distributed with the bearing base 1, are uniformly distributed along the axis of the bearing base 1 from top to bottom, and are distributed at intervals between the medium-high frequency heating coils 8 in the bearing base 1 and the lower half die 2.

In addition, the lower half mold 2 and the bearing base 1 are connected with each other in a sliding mode through at least three sliding grooves 9, and the sliding grooves 9 are uniformly distributed around the axis of the bearing base 1 and are distributed in parallel with the axis of the bearing base.

Preferably, at least four positioning blocks 10 are arranged on the outer side surface of the bearing base 1, and the positioning blocks 10 are uniformly distributed around the axis of the bearing base 1.

Preferably, the pressure-bearing springs 7 on the upper end surface and the lower end surface of the positioning sleeve 4 are slidably connected with the lower half mold 2 and the upper half mold 3 through guide slide rails 11 respectively, and the guide slide rails 11 are embedded in the upper end surface of the lower half mold 2 and the lower end surface of the upper half mold 3.

In the embodiment, the positioning hydraulic cylinder 5 is hinged with the upper end surface of the bearing base 1, and the axis of the positioning hydraulic cylinder 5 forms an included angle of 0-90 degrees with the horizontal plane.

This is novel in concrete implementation, at first to constituting this neotype base of bearing, lower half mould and position sleeve assemble, then will bear the base and install forging and pressing, upsetting equipment through the locating piece on, then will treat that the work piece is embedded into the lower half mould and with the coaxial distribution of lower half mould, treat through the operation of positioning hydraulic cylinder drive position sleeve simultaneously and process the work piece and carry out the centre gripping location, then pass through pressure-bearing spring with the first mould and be connected with the chopping block, then with the cladding of first cover outside treating the work piece of processing and be connected with the position sleeve, be connected positioning hydraulic cylinder and high frequency heating coil and outside power equipment at last, accomplish this novel assembly.

When upsetting forming operation is carried out, a hammer head of forging equipment directly acts on a chopping block, upsetting stamping driving force is transmitted to an upper half die through a pressure-bearing spring by the chopping block, and then the distance between a lower half die and the upper half die is gradually reduced under the action of the forging equipment driving force, so that the purpose of upsetting operation of a workpiece to be processed is achieved.

In addition, in the upsetting operation, on one hand, the workpiece to be processed is continuously clamped and positioned through the positioning sleeve, on the other hand, the positioning clamping acting force is ensured to be stable through the positioning hydraulic cylinder, and meanwhile, the left half sleeve and the right half sleeve which form the positioning sleeve synchronously adjust the operation position along with the deformation of the clamped workpiece, so that the purposes of clamping stability and improving the forming precision are achieved.

Meanwhile, in the upsetting process, the medium-high frequency heating coil can be driven to operate, and the medium-high frequency heating coil directly heats the workpiece to be processed, so that the requirement of the upsetting operation of the workpiece to be processed in different temperature environments is met, the deformation capacity of the workpiece can be effectively improved by improving the temperature of the workpiece, and the working efficiency of the upsetting operation is improved.

Those skilled in the art should understand that the present invention is not limited by the above embodiments. The foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention. The present invention can be further modified and improved without departing from the spirit and scope of the present invention. Such changes and modifications are intended to be within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The large-section efficient upsetting combined forming die is characterized by comprising a bearing base, a lower half die, an upper half die, a positioning sleeve, a positioning hydraulic cylinder, a chopping board and a pressure bearing spring, wherein the bearing base is of a cylindrical cavity structure with the cross section being shaped like L, the lower half die and the upper half die are of cylindrical cavity structures, the lower half die is embedded in the bearing base and coaxially distributed with the bearing base, the upper end surface of the lower half die is connected with the upper half die through the positioning sleeve and coaxially distributed with the upper half die, the positioning sleeve comprises a left half sleeve and a right half sleeve, the left half sleeve and the right half sleeve are symmetrically distributed by the axis of the bearing base and are of arc structures coaxially distributed with the bearing base, the upper end surface and the lower end surface of the left half sleeve and the right half sleeve are respectively connected with the lower half die and the upper half die through the at least two pressure bearing springs, the rear end surfaces of the left half sleeve and the right half sleeve are respectively connected with one positioning hydraulic cylinder, the axis of the positioning hydraulic cylinder is perpendicular to and vertically intersected with the axis of the left half sleeve and the right half sleeve, the intersection point of the left half sleeve and the right half sleeve is located at least at the position of the middle point of the chopping board, and the upper half sleeve.

2. The large-section efficient upsetting combined forming die as recited in claim 1, wherein: bear base lateral wall internal surface, lower half mould, last half mould lateral wall internal surface and all establish at least three medium and high frequency heating coil, and parallelly connected each other between each medium and high frequency heating coil, high frequency heating coil all with bear the coaxial distribution of base to along bearing base axis top-down equipartition, and bear base, the mutual interval distribution between the medium and high frequency heating coil in the lower half mould.

3. The large-section efficient upsetting combined forming die as recited in claim 1, wherein: the lower half die and the bearing base are mutually connected in a sliding mode through at least three sliding grooves, and the sliding grooves are uniformly distributed around the axis of the bearing base and are distributed in parallel with the axis of the bearing base.

4. The large-section efficient upsetting combined forming die as recited in claim 1, wherein: the outer side surface of the bearing base is provided with at least four positioning blocks which are uniformly distributed around the axis of the bearing base.

5. The large-section efficient upsetting combined forming die as recited in claim 1, wherein: the pressure-bearing springs on the upper end surface and the lower end surface of the positioning sleeve are respectively connected with the lower half die and the upper half die in a sliding mode through guide sliding rails, and the guide sliding rails are embedded in the upper end surface of the lower half die and the lower end surface of the upper half die.

6. The large-section efficient upsetting combined forming die as recited in claim 1, wherein: the positioning hydraulic cylinder is hinged with the upper end face of the bearing base, and the axis of the positioning hydraulic cylinder forms an included angle of 0-90 degrees with the horizontal plane.