Tubular pile end plate centrifugal casting device capable of reducing air holes

Abstract

The utility model belongs to the technical field of centrifugal casting, and particularly relates to a tubular pile end plate centrifugal casting device capable of reducing air holes. Through the arrangement of the heat conduction limiting plate, the mounting notch and the heating plate, the pipe pile end plate centrifugal casting mold can be preheated, so that the situation that the temperature difference between the temperature of the inner wall face of the pipe pile end plate centrifugal casting mold and the temperature of molten metal injected into the pipe pile end plate centrifugal casting mold is large due to the fact that the temperature of the inner wall face is low is avoided; according to the centrifugal casting mold for the tubular pile end plate, the problems that the solidification speed of molten metal injected into the centrifugal casting mold for the tubular pile end plate is too high, then gas cannot be discharged smoothly, bubbles are easily trapped in a casting, and more air holes are further generated in the machined and formed tubular pile end plate are solved; in addition, the heat insulation supporting block can reduce the influence of the high temperature of the heat conduction limiting plate and the heating plate on external components of the tubular pile end plate centrifugal casting mold; the power supply group not only can provide electric energy for heating of the heating plate, but also can continuously supply power to the heating plate which is suddenly powered off.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal casting technical field, concretely is a kind of pipe pile end plate centrifugal casting device that can reduce pore production. BACKGROUND

[0002] Centrifugal casting method is to use centrifugal force to place quantitative liquid raw materials in rotating mold, make it high-speed rotation around single shaft, at this time, the liquid raw materials put in are forced to distribute in the near wall part of mold by centrifugal force, while rotating, the liquid raw materials put in are cured by heating and other aspects, then cooled or not cooled as needed to obtain product. Pipe pile end plate needs to use centrifugal casting device in the process of production.

[0003] At present, commonly used pipe pile end plate centrifugal casting device is to inject metal liquid in molten state into rotating pipe pile end plate centrifugal casting device, since the temperature difference between the temperature of pipe pile end plate centrifugal casting device and the temperature of metal liquid in molten state is large, at this time, the solidification speed of metal melt injected into pipe pile end plate centrifugal casting device is too fast, so that gas in solidified metal cannot be smoothly discharged, bubbles are easily trapped in the inside of casting, so that there is the problem of more pores produced in pipe pile end plate processed and formed.

[0004] Therefore, we propose a kind of pipe pile end plate centrifugal casting device that can reduce pore production to solve the above problems. INVENTION CONTENTS

[0005] (I) technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides a kind of pipe pile end plate centrifugal casting device that can reduce pore production, to solve the problems raised in the above background art.

[0007] (II) technical scheme

[0008] The utility model discloses a kind of pipe pile end plate centrifugal casting device that can reduce pore production to solve the above problems, to achieve the above purposes specifically using the following technical solutions:

[0009] A kind of pipe pile end plate centrifugal casting device that can reduce pore production, including pipe pile end plate centrifugal casting mold, for the plasticity of pipe pile end plate casting raw materials distributed on the inner wall surface of pipe pile end plate centrifugal casting mold;

[0010] Heat-conducting limiting plate is set in the lower end surface of pipe pile end plate centrifugal casting mold, for the heat of heating is dispersed and transmitted to pipe pile end plate centrifugal casting mold, the upper end surface of the heat-conducting limiting plate is equipped with installation slot, the installation slot is sequentially provided with multiple;

[0011] Heating plates are arranged in the installation slots and used for heating the pipe pile end plate centrifugal casting mold, and a plurality of heating plates are arranged in the installation slots respectively;

[0012] Thermal insulation support blocks are arranged at the lower end surface of the heat conduction limiting plate and used for insulating the heat generated on the heat conduction limiting plate from the external components of the pipe pile end plate centrifugal casting mold, and the lower end surface of the thermal insulation support block is fixedly provided with a power supply group, and the power supply group is electrically connected with the heating plates.

[0013] Further, two limiting ring blocks are fixedly arranged on the outer wall surface of the pipe pile end plate centrifugal casting mold, a support plate is arranged below the pipe pile end plate centrifugal casting mold, two groups of installation racks are fixedly arranged on the upper end surface of the support plate, the two groups of installation racks are located on the two sides of the pipe pile end plate centrifugal casting mold, each group of installation racks is two, and a transmission shaft is arranged between the two installation racks.

[0014] Further, a rotating wheel is rotatably arranged on each installation rack, and the rotating wheels on the two groups of installation racks are arranged on the two limiting ring blocks on the outer wall surface of the pipe pile end plate centrifugal casting mold.

[0015] Further, a driving motor is arranged on one side of each group of installation racks, and the output end of the driving motor is connected with the rotating wheel on the installation rack.

[0016] Further, a support pad is arranged on the lower end surface of the driving motor, and the support pad is fixedly connected with the support plate.

[0017] Further, a placing groove is formed on the upper end surface of the support plate, and the power supply group is fixedly arranged in the placing groove.

[0018] Further, sealing cover installation openings are formed at the two ends of the pipe pile end plate centrifugal casting mold, and import and export openings are formed at the inner bottom end of the sealing cover installation openings.

[0019] (Three) beneficial effects

[0020] Compared with the prior art, the pipe pile end plate centrifugal casting device provided by the utility model can reduce the generation of pores and has the following beneficial effects:

[0021] The utility model discloses, through the heat conduction limit board, the installation slot, the setting of heating plate can preheat the pipe pile end plate centrifugal casting mould, like this avoid because the pipe pile end plate centrifugal casting mould inner wall surface temperature of centrifugal casting mould is lower to cause with the temperature difference of the metal melt temperature of the injection pipe pile end plate centrifugal casting mould inside, thereby make the metal melt solidification speed of injection pipe pile end plate centrifugal casting mould inside too fast, further make gas unable smooth discharge, bubble is easy to be trapped in the casting inside, further will lead to the pipe pile end plate of processing forming to have more blowhole's generation problem, in addition, the heat insulation support block can reduce the influence of the higher temperature of heat conduction limit board and heating plate to the pipe pile end plate centrifugal casting mould external component, and the power supply group not only can provide the electric energy for heating plate heating, but also can for the heating plate of sudden power failure continuous power supply work. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the heat conduction limit board and power supply group connection perspective view of the utility model;

[0024] Figure 3 It is the heat conduction limit board and heating plate split drawing of the utility model;

[0025] Figure 4 It is the pipe pile end plate centrifugal casting mould and runner split drawing of the utility model.

[0026] In the drawing: 1, pipe pile end plate centrifugal casting mould;2, heat conduction limit board;3, installation slot;4, heating plate;5, heat insulation support block;6, power supply group;7, limit ring block;8, support plate;9, mounting bracket;10, runner;11, transmission shaft;12, drive motor;13, support pad;14, placement groove;15, sealing cover installation mouth;16, import and export. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model protection.

[0028] EMBODIMENT

[0029] As Figures 1-4As shown, the utility model discloses a kind of pipe pile end plate centrifugal casting devices that can reduce pore production, including pipe pile end plate centrifugal casting mould 1, for being distributed in the plasticity of pipe pile end plate casting raw material in the inner wall surface of pipe pile end plate centrifugal casting mould 1;Heat-conducting limiting plate 2 is arranged at the lower end surface of pipe pile end plate centrifugal casting mould 1, for dispersing and transmitting the heat of heating to pipe pile end plate centrifugal casting mould 1, the upper end surface of heat-conducting limiting plate 2 is equipped with installation notch 3, installation notch 3 is sequentially provided with multiple;Heating plate 4 is arranged in installation notch 3, for heating pipe pile end plate centrifugal casting mould 1, heating plate 4 is provided with multiple, multiple heating plate 4 is respectively fixedly arranged in multiple installation notch 3;Heat-insulating support block 5 is arranged at the lower end surface of heat-conducting limiting plate 2, for the heat generated on heat-conducting limiting plate 2 and pipe pile end plate centrifugal casting mould 1 external component are heat-insulated, the lower end surface of heat-insulating support block 5 is fixedly provided with power supply group 6, and power supply group 6 is electrically connected between heating plate 4.

[0030] The preheating of pipe pile end plate centrifugal casting mould 1 can be realized by the arrangement of heat-conducting limiting plate 2, installation notch 3 and heating plate 4, which avoids the temperature difference between the inner wall surface of pipe pile end plate centrifugal casting mould 1 and the metal melt injected into pipe pile end plate centrifugal casting mould 1 due to the low temperature of the inner wall surface of pipe pile end plate centrifugal casting mould 1, so that the solidification speed of the metal melt injected into pipe pile end plate centrifugal casting mould 1 is too fast, and then the gas cannot be smoothly discharged, and the bubbles are easily trapped in the castings, which further causes the pipe pile end plate formed by processing to have more pores. In addition, the heat-insulating support block 5 can reduce the influence of the high temperature of heat-conducting limiting plate 2 and heating plate 4 on the external components of pipe pile end plate centrifugal casting mould 1. The power supply group 6 can not only provide electric energy for the heating of heating plate 4, but also continuously supply power to the heating plate 4 in case of sudden power failure.

[0031] The outer wall surface of pipe pile end plate centrifugal casting mould 1 is fixedly provided with two limiting ring blocks 7, and the lower portion of pipe pile end plate centrifugal casting mould 1 is provided with a support plate 8. The upper end surface of support plate 8 is fixedly provided with two groups of mounting racks 9. Each group of mounting racks 9 is located on the two sides of pipe pile end plate centrifugal casting mould 1, and each group of mounting racks 9 includes two mounting racks. A transmission shaft 11 is arranged between the two mounting racks 9 of each group of mounting racks 9. A rotating wheel 10 is rotatably arranged on each mounting rack 9. The rotating wheels 10 on the two groups of mounting racks 9 are arranged on the two limiting ring blocks 7 on the outer wall surface of pipe pile end plate centrifugal casting mould 1. A drive motor 12 is arranged on one side of each group of mounting racks 9. The output end of drive motor 12 is connected to the rotating wheel 10 on the mounting rack 9.

[0032] The arrangement of drive motor 12, transmission shaft 11, rotating wheel 10, mounting rack 9 and support plate 8 provides kinetic energy for the centrifugal rotation of pipe pile end plate centrifugal casting mould 1.

[0033] The lower end surface of the driving motor 12 is provided with a support pad 13, which is fixedly connected with the support plate 8. The upper end surface of the support plate 8 is provided with a placing groove 14, and the power supply group 6 is fixedly arranged in the placing groove 14. The both ends of the pipe pile end plate centrifugal casting mold 1 are provided with sealing cover mounting ports 15, and the inner side bottom end of the sealing cover mounting port 15 is provided with an inlet and outlet 16.

[0034] The placing groove 14 is used for installing the power supply group 6, so that the power supply group 6 can be prevented from being damaged by the objects on the surface of the support plate 8. The sealing cover mounting port 15 is a mounting port reserved for the installation of the sealing cover, and the inlet and outlet 16 facilitates the injection of the pipe pile end plate production and processing raw materials into the pipe pile end plate centrifugal casting mold 1.

[0035] The utility model works as follows:

[0036] First, start the heating plate 4, and the heating plate 4 heats the surface of the pipe pile end plate centrifugal casting mold 1 and the heat-conducting limiting plate 2. The heat-conducting limiting plate 2 will disperse the heat to heat the surface of the pipe pile end plate centrifugal casting mold 1 covered by the heat-conducting limiting plate 2. The surface temperature of the pipe pile end plate centrifugal casting mold 1 will be conducted to the inner wall surface of the pipe pile end plate centrifugal casting mold 1. When the inner wall surface of the pipe pile end plate centrifugal casting mold 1 reaches the appropriate preheating temperature, the heating plate 4 is turned off. At this time, the driving motor 12 is started, and the driving motor 12 drives the interfaced runner 10 to rotate. The runner 10 drives the interfaced runner 10 through the transmission shaft 11 to rotate. The rotation of the runner 10 drives the pipe pile end plate centrifugal casting mold 1 to rotate. When the pipe pile end plate centrifugal casting mold 1 reaches the specified rotating speed, the metal melt for pipe pile end plate processing is injected into the pipe pile end plate centrifugal casting mold 1 through the inlet and outlet 16. The metal melt inside the pipe pile end plate centrifugal casting mold 1 will appear centrifugation. The centrifuged metal melt will gather in the model groove inside the pipe pile end plate centrifugal casting mold 1. When the metal melt in the model groove cools down, the pipe pile end plate is formed.

[0037] Finally, it should be pointed out that the above description is only a preferred embodiment of the utility model and is not used to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement of some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A centrifugal casting device for pipe pile end plates that can reduce porosity, characterized in that: The utility model relates to a pipe pile end plate centrifugal casting mould (1) for the plasticity of pipe pile end plate casting raw materials distributed on the inner wall of pipe pile end plate centrifugal casting mould (1), the lower end surface of pipe pile end plate centrifugal casting mould (1) is provided with heat conduction limiting plate (2), and heat conduction limiting plate (2) is used for the heat dispersion transmission to pipe pile end plate centrifugal casting mould (1), the upper end surface of heat conduction limiting plate (2) is provided with mounting slot (3), and mounting slot (3) is provided with a plurality of in proper order, heating plate (4) is provided in mounting slot (3), and heating plate (4) is used for heating pipe pile end plate centrifugal casting mould (1), heating plate (4) is provided with a plurality of, and a plurality of heating plate (4) are fixedly arranged in a plurality of mounting slot (3) respectively, heat insulation support block (5) is provided on the lower end surface of heat conduction limiting plate (2), and heat insulation support block (5) is used for the heat insulation of the heat generated on heat conduction limiting plate (2) and the external component of pipe pile end plate centrifugal casting mould (1), the lower end surface of heat insulation support block (5) is fixedly provided with power supply group (6), and power supply group (6) and heating plate (4) are electrically connected. The outer wall of the pipe pile end plate centrifugal casting mould (1) is fixedly provided with two limiting ring blocks (7), and the lower part of the pipe pile end plate centrifugal casting mould (1) is provided with a support plate (8). The upper end surface of the support plate (8) is fixedly provided with two groups of mounting racks (9). The two groups of mounting racks (9) are located on both sides of the pipe pile end plate centrifugal casting mould (1). Each group of mounting racks (9) has two mounting racks (9). A transmission shaft (11) is arranged between the two mounting racks (9). Rotatable wheels (10) are arranged on the mounting racks (9). The rotatable wheels (10) on the two groups of mounting racks (9) are arranged on the two limiting ring blocks (7) on the outer wall of the pipe pile end plate centrifugal casting mould (1). A drive motor (12) is arranged on one side of each group of mounting racks (9). The output end of the drive motor (12) is connected to the rotatable wheel (10) on the mounting rack (9).

2. The pipe pile end plate centrifugal casting device capable of reducing the generation of pores according to claim 1, characterized in that: A support pad (13) is arranged on the lower end surface of the drive motor (12). The support pad (13) is fixedly connected to the support plate (8).

3. The pipe pile end plate centrifugal casting device capable of reducing the generation of pores according to claim 2, characterized in that: A placing groove (14) is arranged on the upper end surface of the support plate (8). The power supply group (6) is fixedly arranged in the placing groove (14).

4. The pipe pile end plate centrifugal casting device capable of reducing the generation of pores according to claim 3, characterized in that: Sealing cover installation openings (15) are arranged at both ends of the pipe pile end plate centrifugal casting mould (1). Import and export openings (16) are arranged at the inner bottom end of the sealing cover installation openings (15).

5. The pipe pile end plate centrifugal casting device capable of reducing the generation of pores according to claim 4, characterized in that: ​ 6. The pipe pile end plate centrifugal casting device capable of reducing the generation of pores according to claim 2, characterized in that: ​ 7. The pipe pile end plate centrifugal casting device capable of reducing the generation of pores according to claim 1, characterized in that: ​

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