Simulation device for forging process of turbine disc

Abstract

The utility model belongs to the field of forging research experiments, and provides a turbine disc forging process simulation device which comprises a base, a forging hammer, a heating mechanism and a supporting seat. The forging hammer is arranged above the base, and a blank is arranged on the base; the multiple heating mechanisms are arranged in the annular direction of the blank; the heating mechanism comprises a linear sliding device and a heating device; the heating devices are installed on the linear sliding device, the linear sliding device is used for linearly moving the heating devices so that the heating devices can move towards or away from the blank, and the heating devices of the multiple heating mechanisms are evenly distributed around the blank; according to the utility model, the blank is immediately heated on the forging table, so that the heat loss in the blank transfer process can be avoided, the blank can be kept at a proper experimental temperature, the operation steps are reduced, and the temperature state of the blank can be kept in the forging experimental process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of forging research experiment, and specifically relates to a simulation device for a turbine disc forging process. BACKGROUND

[0002] Forging refers to a process of heating metal materials to a certain temperature and then applying pressure to make them plastically deform, thereby obtaining the required shape and performance. In the forging process of a turbine disc, a simulation experiment device can accurately reproduce each link of actual forging, including heating, pressurizing, cooling and other steps. Through the simulation device, the forging process of the turbine disc can be optimized, material utilization can be improved, defects can be reduced, and the quality and performance of the turbine disc can be ensured to meet the design requirements.

[0003] The current forging simulation experiment device usually includes a forging hammer, which is used to forge the heated blank. When the blank needs to be heated again after its temperature decreases or air cools, the blank needs to be moved from the forging table to the heating device for heating. In the process of transferring the blank, the heat of the blank is lost, the experimental temperature of the blank cannot be accurately controlled, and an additional operation step is required, which makes the operation more complicated. Therefore, it is necessary to integrate a heating device on the forging table to form an instant heating function. SUMMARY

[0004] To solve the above technical problems, the utility model provides a simulation device for a turbine disc forging process to solve the problems in the prior art. The technical scheme adopted by the utility model is as follows:

[0005] The simulation device for the turbine disc forging process comprises a base, a forging hammer, a heating mechanism and a support seat.

[0006] The forging hammer is arranged above the base, and a blank is arranged on the base.

[0007] A plurality of heating mechanisms are arranged in the circumferential direction of the blank. The heating mechanism comprises a linear sliding device and a heating device. The heating device is installed on the linear sliding device, the linear sliding device is used to move the heating device linearly, the heating device moves towards or away from the blank, and the heating devices of the plurality of heating mechanisms are uniformly distributed around the blank.

[0008] Further, the sliding part of the linear sliding device is fixedly connected to an arc-shaped plate through a support, the arc-shaped opening of the arc-shaped plate faces the blank, the arc-shaped plates of the plurality of heating mechanisms are arranged on the same concentric circle and around the blank, and the heating device is installed on the inner side of the arc-shaped opening of the arc-shaped plate.

[0009] Further, the support seat is fixedly connected to the top of the base, and the top of the support seat is used to place the blank.

[0010] The top of the support base is provided with a groove, a bearing plate is movably arranged in the groove, a connecting shaft is fixedly connected to the bottom of the bearing plate, the connecting shaft is connected to a motor, and the blank is placed on the bearing plate.

[0011] Further, the support base is provided with an inner chamber below the bearing plate, the groove is communicated with the inner chamber through a through hole, the connecting shaft passes through the through hole, a connecting sleeve is sleeved on the bottom of the connecting shaft, a main shaft is fixedly connected to the output end of the motor, the main shaft is located in the inner chamber, the main shaft is inserted into the connecting sleeve at the top, and the connecting sleeve is connected with the connecting shaft and the main shaft through spline connection.

[0012] Further, a rotating ring is rotatably sleeved on the connecting sleeve, the rotating ring is fixedly connected to the output end of a telescopic device through a supporting rod, and the telescopic device is located in the inner chamber; a limiting ring is arranged above the connecting sleeve and is fixedly connected to the connecting shaft.

[0013] The telescopic device is used for lifting the connecting sleeve, so that the blank is lifted or lowered.

[0014] Further, the linear sliding device is an electric linear guide rail.

[0015] Further, the heating device is an electric heating wire or a heating pipe.

[0016] The utility model has the advantages that the blank can be heated in time on the forging table, heat loss in the blank transfer process can be avoided, the blank can keep an appropriate experimental temperature, operation steps are reduced, and the temperature state of the blank can be kept during the forging experiment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic diagram of the utility model;

[0018] Figure 2 It is Figure 1 the enlarged schematic diagram of A in the figure;

[0019] Figure 3 It is a schematic diagram of distribution relationship of multiple arc-shaped plates;

[0020] Figure 4 It is a schematic diagram when the blank is heated. DETAILED DESCRIPTION

[0021] The utility model will be described below in combination with the Figures 1-4The technical scheme of the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment, if not specifically pointed out, the technical means used in the embodiment is the conventional means familiar to the person skilled in the art.

[0022] As Figure 1 , the simulation device of the turbine disc forging process comprises a base 1, a forging hammer 4, a heating mechanism and a support seat 9.

[0023] The forging hammer 4 is arranged above the base 1, and a blank 50 is arranged on the base 1.

[0024] A plurality of heating mechanisms are arranged around the blank 50; the heating mechanism comprises a linear sliding device 6 and a heating device 8; the heating device 8 is installed on the linear sliding device 6, the linear sliding device 6 is used for moving the heating device 8 linearly, the heating device 8 moves towards or away from the blank 50, and the heating devices 8 of the plurality of heating mechanisms are uniformly distributed around the blank 50.

[0025] Specifically, the support rod 2 is fixedly connected to the base 1, the top of the support rod 2 is fixedly connected to the top plate 3, the forging hammer 4 is slidably installed on the top plate 3, and the forging hammer 4 is connected with corresponding driving equipment such as a hydraulic cylinder. The blank 50 is a prior art and has a cylindrical structure. In the forging experiment process of the utility model, the forging hammer 4 forges the blank 50 into a disc-shaped structure for turbine disc processing.

[0026] The linear sliding device 6 can be an electric linear guide rail. The heating device 8 can be an electric heating wire or a heating pipe. In the specific implementation of the utility model, in the forging process, the linear sliding device 6 pushes the heating device 8 to move towards or away from the blank 50, so that an interval is formed between the heating device 8 and the blank 50, so as to avoid interference with the forging hammer 4. When the blank 5 is preheated or needs to be temporarily heated, the linear sliding device 6 can move the heating device 8 to heat the blank 50. Thus, a stable experimental temperature environment of the blank 50 is formed.

[0027] In addition, the linear sliding device 6 can be installed on the support rod 2, and the sliding stroke is long, so that the blank 50 can be freely taken out, and the blank 50 is avoided from being shielded.

[0028] Further, the sliding part of the linear sliding device 6, i.e. the sliding block, is fixedly connected to the arc-shaped plate 7 through a support, the arc-shaped opening of the arc-shaped plate 7 faces the blank 50, the arc-shaped plates 7 of the plurality of heating mechanisms are arranged on the same concentric circle and surround the blank 50, and the heating device 8 is installed on the inner side of the arc-shaped opening of the arc-shaped plate 7.

[0029] As Figure 3, a plurality of arc-shaped plates 7 are on the same concentric circle, and the heating device 8 can be provided with one or more on the arc-shaped plates 7.

[0030] Further, the top of the base 1 is fixedly connected with a support seat 9, and the top of the support seat 9 is used for placing the blank 50;

[0031] The top of the support seat 9 is provided with a groove, and a bearing plate 11 is movably arranged in the groove; the bottom of the bearing plate 11 is fixedly connected with a connecting shaft 12; the connecting shaft 12 is connected with a motor 17; and the blank 50 is placed on the bearing plate 11.

[0032] During the forging or heating of the blank 50, the bearing plate 11 can be driven to rotate by the motor 17, so as to adjust the position of the blank 50 and achieve the purpose of uniform heating of the blank 50.

[0033] As shown in Figure 2 The support seat 9 is provided with an inner chamber below the bearing plate 11; the groove is communicated with the inner chamber through a through hole; the connecting shaft 12 passes through the through hole; the bottom of the connecting shaft 12 is sleeved with a connecting sleeve 16; the output end of the motor 17 is fixedly connected with a main shaft 18; the main shaft 18 is located in the inner chamber; the top of the main shaft 18 is inserted into the connecting sleeve 16; and the connecting sleeve 16 is connected with the connecting shaft 12 and the main shaft 18 through a spline.

[0034] When the bearing plate 11 is in an initial state, the top surface of the bearing plate 11 is flush with the top surface of the support seat 9; the bearing plate 11 and the groove are subjected to impact force; and the connecting sleeve 16 and the main shaft 18 are not subjected to impact force. The inner wall surface of the connecting sleeve 16 is provided with an inner spline, and the connecting shaft 12 and the main shaft 18 are provided with an outer spline, so that the circumferential constraint of the connecting sleeve 16 can be achieved, and the up-down movement of the connecting sleeve 16 is not affected.

[0035] Further, the connecting sleeve 16 is rotatably sleeved with a rotating ring 14; the rotating ring 14 is fixedly connected with the output end of a telescopic device 15 through a support rod; and the telescopic device 15 is located in the inner chamber; the upper portion of the connecting sleeve 16 is provided with a limiting ring 13; and the limiting ring 13 is fixedly connected with the connecting shaft 12.

[0036] The telescopic device 15 is used for lifting the connecting sleeve 16, so as to lift or lower the blank 50.

[0037] Specifically, the telescopic device 15 can be a pneumatic cylinder, a hydraulic cylinder, an electric cylinder or the like. When the blank 50 needs to be heated, the telescopic device 15 is lifted, the connecting sleeve 16 is lifted, the top of the connecting sleeve 16 abuts against the limiting ring 13, the connecting shaft 12 is lifted, and finally the bearing plate 11 lifts the blank 50, so that the blank 50 is lifted to a position above the arc-shaped plates 7. Figure 4After the state of the embryo piece 50 in the forging table is monitored, then the linear sliding device 6 pushes the heating device 8 to move towards the embryo piece 50, and the heating device 8 heats the embryo piece 50. After the embryo piece 50 is lifted, the embryo piece 50 can be completely in the coverage range of the plurality of heating devices 8. Then the motor 17 drives the bearing plate 11 to rotate, so that the embryo piece 50 rotates, thereby the embryo piece 50 is uniformly heated.

[0038] The utility model discloses a forging table that can heat the embryo piece 50 in time on the forging table, can avoid the heat loss in the transfer process of the embryo piece 50, can keep the embryo piece 50 at the appropriate experimental temperature, reduces the operation step, and is favorable for keeping the temperature state of the embryo piece 50 in the forging experiment process. The rotation and heating of the embryo piece 50 can also make it uniformly heated.

[0039] In addition, in the utility model, the temperature of the embryo piece 50 can be monitored by infrared thermal imaging instrument and other equipment, so that the embryo piece 50 is at the required experimental temperature.

[0040] The above embodiment only describes the preferred mode of the utility model, and does not limit the scope of the utility model. Without departing from the design spirit of the utility model, various deformations, modifications, replacements and substitutions of the technical scheme of the utility model made by the ordinary skilled in the art should fall within the protection scope determined by the claim of the utility model.

Claims

1. A simulation device of a turbine disk forging process, characterized by, The invention relates to a forging device, comprising: a base (1), a forging hammer (4), heating mechanisms and a support base (9); the forging hammer (4) is arranged above the base (1), and an embryo piece (50) is arranged on the base (1); a plurality of the heating mechanisms are arranged around the embryo piece (50), and each of the heating mechanisms comprises a linear sliding device (6) and a heating device (8); the heating device (8) is mounted on the linear sliding device (6), and the linear sliding device (6) is used to move the heating device (8) linearly so as to move the heating device (8) towards or away from the embryo piece (50); the heating devices (8) of the plurality of the heating mechanisms are uniformly distributed around the embryo piece (50).

2. The apparatus for simulating a turbine disk forging process according to claim 1, wherein, The sliding part of the linear sliding device (6) is fixedly connected with an arc-shaped plate (7) through a support, the arc-shaped opening of the arc-shaped plate (7) faces the embryo piece (50), the arc-shaped plates (7) of the plurality of the heating mechanisms are arranged on concentric circles and around the embryo piece (50), and the heating devices (8) are mounted on the inner side of the arc-shaped opening of the arc-shaped plate (7).

3. The apparatus for simulating a turbine disk forging process according to claim 2, wherein, The support base (9) is fixedly connected with the top of the base (1), and the top of the support base (9) is used to place the embryo piece (50). The top of the support base (9) is provided with a groove, a bearing plate (11) is movably arranged in the groove, the bottom of the bearing plate (11) is fixedly connected with a connecting shaft (12), the connecting shaft (12) is connected with a motor (17), and the embryo piece (50) is placed on the bearing plate (11).

4. The apparatus for simulating a turbine disk forging process according to claim 3, wherein The support base (9) is provided with an inner chamber, the inner chamber is below the bearing plate (11), the groove is communicated with the inner chamber through a through hole, the connecting shaft (12) passes through the through hole, the bottom of the connecting shaft (12) is sleeved with a connecting sleeve (16), the output end of the motor (17) is fixedly connected with a main shaft (18), the main shaft (18) is located in the inner chamber, the top of the main shaft (18) is inserted into the connecting sleeve (16), and the connecting sleeve (16) is connected with the connecting shaft (12) and the main shaft (18) through a spline.

5. The apparatus for simulating a turbine disk forging process according to claim 4, wherein A rotating ring (14) is rotatably sleeved on the connecting sleeve (16), the rotating ring (14) is fixedly connected with the output end of a telescopic device (15) through a support rod, and the telescopic device (15) is located in the inner chamber; a limiting ring (13) is arranged above the connecting sleeve (16), and the limiting ring (13) is fixedly connected with the connecting shaft (12); The telescopic device (15) is used to lift and lower the connecting sleeve (16), so as to lift or lower the embryo piece (50).

6. The apparatus for simulating a forging process of a turbine disk according to any one of claims 1 to 5, characterized in that, The linear sliding device (6) is an electric linear guide rail.

7. The apparatus for simulating a forging process of a turbine disk according to any one of claims 1 to 5, characterized in that, The heating device (8) is an electric heating wire or a heating pipe.

Images