SU1390071A1 - Heated forging member - Google Patents

Abstract

The invention relates to the design of thermal power elements of thermal presses and provides a simplified design and efficiency. The power element includes a housing 1, a movable platform (p) 2 with a pull 3, an inner 4 and an outer 5 sets of wedge washers, as well as an elastic element 6. The washers of the inner and outer sets are made of materials with different linear expansion coefficients. When heated, the washers increase their size to varying degrees. As a consequence, P 2, moving, compresses the elastic element 6. As the gauge cools down, the mobile P 2 returns to its original position under the action of the elastic element 6. 2 Cp. f-ly, 2 ill. 1C

Description

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The invention relates to the field of forge-pressing equipment, namely, to the structures of the power elements of thermal presses,

The purpose of the invention is to simplify the design and increase the efficiency.

Figure 1 shows the thermal power element without additional sets of washers; FIG. 2 shows a thermal power cell with additional sets of washers.

Thermal power element includes a housing 1 placed coaxially with the housing

1 with the possibility of axial reciprocating movement of the platform 2 with a thrust 3, located coaxially in one another with the possibility of interaction with the housing 1, the platform

2 and between them the inner 4 and outer 5 sets of washers, the elastic element (spring) 6, connected at one end

with body I, and the other with platform 2. When it is, the outer side surfaces of the inner set washers and the inner side surfaces of the extra wedge washers are wedge, the inner and outer set washers are made of materials with different linear expansion coefficients, the adjacent washers of each of the sets placed with a gap a between themselves, the total size of the gaps in each set exceeds the size of the working stroke of the platform, the housing 1 can be made as a rigid base, the platform 2 can be placed in prices In the main part of the housing 1, the power element is provided with additional inner 7 and outer 8 sets of washers mounted on the side opposite to the main sets of washers, the linear expansion coefficient of the material of the washers of the main internal set 4 is equal to the linear expansion coefficient of the material of the additional outdoor set 8 washers, and the linear expansion coefficient of the material of the main outer set 5 washers is equal to the linear expansion coefficient of the material of the additional internal set 7 washers.

Thermal power element works as follows.

When it is heated, the washers of the inner 4 and HapiTHHoro 5 sets increase in size.

If the inner set washers are made from a material with a large linear expansion ficient than the outer set washers material, the inner set washers will expand to a large extent. As the inner washers heat up, their side surfaces act on the side surfaces of the outer washers, wedging them. The washers, wedging, put pressure on the outer collar of the body 1 and platform 2, which, by moving, compresses the spring 6 by means of the rod 3. The amount of movement of the platform 2 depends on the diameter of the wedge washers, the angle of the wedge, the number of washers and the heating temperature. As the thermal power element cools down, the movable platform 2 returns to its original position under the action of the spring 6,

When the wedge washers of the inner set are made of a material with a lower linear expansion coefficient than the material of the outer set washers, the latter increase to a greater extent than the inner set washers and, due to the gap, the platform 2 being pressured by the spring 6 through chu 3 and the housing 1, moves in the direction of the outer collar of the housing 1 o The magnitude of the stroke of the platform 2 with equal geometric parameters and heating conditions, similar to the described example, will be the same value . As the thermal power element (Fig. 2) cools down, the wedge washers of the inner set 4 and the wedge washers of the outer set 8 and, accordingly, the wedge washers of the inner set 7 expand equally when executing, for example, the wedge of the new washers of the inner set 4 and wedge washers of the outer set 8 of material with a linear expansion coefficient smaller than that of the outer 5 and inner 7 sets of wedge washers, the system of additional sets of washers is wedged and moves platform 2 towards the main sets of washers 4 and 5 (to the left .2). The latter reduce their total size along the axis by an amount i equal to the travel of the platform 2. Thus, the platform 2 moves to the left relative to the housing I when the thermal power element is heated.

As the thermal power element cools, platform 2 returns to its original position.

Compared to the known, the proposed power .nt has a simpler design} and provides a higher efficiency. Executing the outer and inner wedge washers from a material with different linear expansion coefficients allows to obtain movement of the moving platform of the power element only when it is heated, i.e. .the need to cool one of the sets of wedge washers. This, in turn, eliminates the need to use thermal insulation materials between two sets of wedge washers, and therefore, simplifies the design of the thermal power element. In addition, the elimination of the cooling of one of the sets of wedge washers will increase the efficiency of the thermal force element, since the energy consumption is reduced, there is no energy loss for the cooling wedge washers.

Claims (3)

1.Thermal power element containing a housing placed coaxially with the housing with the possibility of axial reciprocating movement of the platform, located coaxially in the other with the ability to interact with the housing, the platform and, between them, the inner and outer sets of washers, while the outer sides The inner surfaces of the inner set ibex and the inner side surfaces of the outer set washers are wedge-shaped, characterized in that, in order to simplify and enhance the SUSH, the washers of the inner and outer sets are made of materials with different linear expansion coefficients, the adjacent washers of each of the sets are arranged with a gap between itself, and the total value of the gaps in each set exceeds the value of the working stroke of the platform. 2,. An element according to claim 1, characterized in that it is provided with an elastic element, one end connected to the body and the other end to the platform. 3. Element pop. 1, characterized in that the body is designed as a rigid base, the platform is placed in the central part of the body, and the power element is provided with additional internal and external sets of washers installed on the body from the side opposite to the main sets of washers. the linear expansion of the material of the main inner set washers is equal to the linear expansion coefficient of the material of the additional outer set washers, and the linear expansion coefficient of the material of the main external washers boron equal to the coefficient of linear expansion of the material additional washers internal set. eight Fzg.2