Centrifugal casting device and centrifugal casting method for high-speed rail brake steel back

Abstract

The application discloses a centrifugal casting device for brake steel back for high-speed rail braking and a centrifugal casting method thereof, and relates to the technical field of centrifugal casting of brake steel back, which comprises a plate body one, a box body one is arranged on the top of the plate body one, a rotating rod is arranged on the output end of the motor, one end of the rotating rod penetrates through the top of the box body one, a cross rod is arranged on one end of the rotating rod, an annular frame is arranged on the top of the cross rod, an electric telescopic unit two is arranged on the inner wall of one side of the waterproof box, a discharging mechanism is arranged on the output end of the electric telescopic unit two, and a cooling mechanism is arranged on the top of the plate body one. The cooling mechanism is arranged, the motor stops driving the casting mold to rotate after the casting mold rotates for a certain period of time, then the hydraulic telescopic unit one drives the box body two to move upwards, the casting mold contacts water in the box body two, so that the casting mold is rapidly cooled, and the cooling speed of the metal liquid in the casting mold is accelerated.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of brake steel back centrifugal casting, in particular to a high-speed rail brake steel back centrifugal casting device and a high-speed rail brake steel back centrifugal casting method. BACKGROUND

[0002] The surface of the high-speed rail brake steel back is generally provided with protrusions or holes, so that the friction material enters the holes or the protrusions on the steel back enter the friction material, thereby increasing the shear resistance, and the centrifugal casting method is a method for filling a mold cavity with metal liquid by rotation.

[0003] The existing centrifugal casting equipment has the following defects:

[0004] 1. The prior art KR1020110127576A discloses a centrifugal casting machine, which does not have a cooling structure and cannot quickly cool the product after centrifugal casting, so that the cooling efficiency is low, and therefore a high-speed rail brake steel back centrifugal casting device with a cooling structure is needed to solve the problem.

[0005] 2. The prior art KR100790533B1 discloses a centrifugal casting machine, which does not have a structure for automatically concentrating the product after forming, and when the product falls in different places, it is easy to increase the time for people to collect the product and reduce the production efficiency, and therefore a high-speed rail brake steel back centrifugal casting device capable of automatically concentrating the product after forming is needed to solve the problem.

[0006] 3. The prior art KR1020070079069A discloses a centrifugal casting device, which does not have a structure for automatically demolding the product, and manual demolding is needed, so that the demolding efficiency is low, and therefore a high-speed rail brake steel back centrifugal casting device capable of automatic demolding is needed to solve the problem.

[0007] 4. The prior art CN107855487B discloses a centrifugal casting machine, which does not have a structure for dredging the pipeline through which the liquid enters the casting mold, and the pipeline is easy to be blocked after the metal liquid adheres and cools, which affects the entry of the metal liquid into the casting mold, and therefore a high-speed rail brake steel back centrifugal casting device with a structure for dredging the feeding pipeline of the casting mold is needed to solve the problem. SUMMARY

[0008] One object of the present application is to provide a high-speed rail brake steel back centrifugal casting device and a high-speed rail brake steel back centrifugal casting method, which can solve the technical problems in the prior art.

[0009] In order to achieve the above object, the present application provides the following technical scheme: a centrifugal casting device for high-speed rail brake brake steel back, comprising a plate body one, a ring frame and a hydraulic telescopic unit one, the top of the plate body one is provided with a box body one, the inside of the box body one is provided with a motor, the output end of the motor is provided with a rotating rod, one end of the rotating rod penetrates through the top of the box body one, one end of the rotating rod is provided with a cross rod, the top of the cross rod is provided with a ring frame, the inner wall of the ring frame is symmetrically provided with a casting mold, the outer side of the ring frame is symmetrically provided with a waterproof box, the top of the waterproof box is provided with a control unit, the inner wall of one side of the waterproof box is provided with a second electric telescopic unit, and the output end of the second electric telescopic unit is provided with a discharging mechanism.

[0010] The top of the plate body one is provided with a cooling mechanism.

[0011] Preferably, the top of the box body one is provided with a supporting pipe, and the supporting pipe is located outside the rotating rod, a plurality of first electric telescopic units are symmetrically installed on the inner wall of one side of the waterproof box, the output end of the first electric telescopic unit is provided with a moving rod one, one end of the moving rod one penetrates through the inner wall of one side of the ring frame, one end of the moving rod one is provided with a closing plate, and the closing plate is located on one side of the casting mold.

[0012] Preferably, the discharging mechanism comprises a moving rod two and a heat-insulating pushing block, one end of the moving rod two is connected with the output end of the second electric telescopic unit, the moving rod two is provided with the heat-insulating pushing block at one end, and one end of the heat-insulating pushing block penetrates through the inner wall of one side of the casting mold.

[0013] Preferably, the top input end of the casting mold is provided with a feeding pipe, the top of the waterproof box is provided with a third electric telescopic unit, the output end of the third electric telescopic unit is provided with a plate body two, one side of the plate body two is provided with a fourth electric telescopic unit, and the output end of the fourth electric telescopic unit is provided with a scraping cone.

[0014] Preferably, the cooling mechanism comprises a first hydraulic telescopic unit, a second box body and a heat dissipation fin, a plurality of first hydraulic telescopic units are symmetrically installed on the top of the plate body one, the output end of the first hydraulic telescopic unit is provided with the second box body, and the outer side of the second box body is provided with a plurality of heat dissipation fins.

[0015] Preferably, the bottom inner wall of the second box body is provided with a sealing ring, and the sealing ring is located outside the rotating rod.

[0016] Preferably, the front of the second box body is provided with a second hydraulic telescopic unit, the output end of the second hydraulic telescopic unit is provided with a piston rod one, one end of the piston rod one is provided with a push plate one, and the push plate one is located inside the second box body.

[0017] Preferably, one side of the box body two is symmetrically provided with a hydraulic telescopic unit three, the output end of the hydraulic telescopic unit three is provided with a piston rod two, one end of the piston rod two penetrates through the inner wall of one side of the box body two, and one end of the piston rod two is provided with a push plate two.

[0018] Preferably, the casting method of the centrifugal casting device for high-speed rail brake brake steel back is as follows:

[0019] S1, first, the closing plate closes the opening of the casting mold, and then the metal liquid is added into the casting mold from the feeding pipe;

[0020] S2, then the motor drives the annular frame and the casting mold to rotate, so that the metal liquid in the casting mold fills the gap in the casting mold under the centrifugal state;

[0021] S3, after the casting mold rotates for a certain time, the motor stops driving the casting mold to rotate, then the hydraulic telescopic unit one drives the box body two to move upwards, so that the casting mold contacts the water in the box body two, thereby rapidly cooling the casting mold and accelerating the cooling speed of the metal liquid in the casting mold;

[0022] S4, then the closing plate moves inwardly, so that the opening of the casting mold is opened, then the heat insulation pushing block is driven by the electric telescopic unit two to push out the steel back formed in the casting mold and falls into the box body two;

[0023] S5, the push plate one moves backward to push the steel back backward, then the push plate one moves to the frontmost position, then the push plate two moves rightward to push the steel back to the right interval in the box body two, facilitating the workers to take down the steel back.

[0024] Preferably, the S1 further includes the following steps:

[0025] S11, after the metal liquid enters the casting mold, the electric telescopic unit three drives the scraping cone to move above the feeding pipe, and then the electric telescopic unit four drives the scraping cone to move downward to scrape off the metal liquid on the inner wall of the feeding pipe.

[0026] Compared with the prior art, the present application has the following advantages:

[0027] 1, the cooling mechanism is arranged, after the casting mold rotates for a certain time, the motor stops driving the casting mold to rotate, then the hydraulic telescopic unit one drives the box body two to move upwards, so that the casting mold contacts the water in the box body two, thereby rapidly cooling the casting mold and accelerating the cooling speed of the metal liquid in the casting mold.

[0028] 2, the push plate one moves backward to push the steel back backward, then the push plate one moves to the frontmost position, then the push plate two moves rightward to push the steel back to the right interval in the box body two, facilitating the workers to take down the steel back.

[0029] 3、The present application drives the heat insulation pushing block by the electric telescopic unit two to take out the steel back shaped in the casting mold, and falls in the box two, which facilitates the fast demolding of the shaped brake steel back, and the demolding efficiency is high.

[0030] 4、After the metal liquid enters the casting mold, the electric telescopic unit three drives the scraping cone to move above the feeding pipe, then the electric telescopic unit four drives the scraping cone to move downward to scrape the metal liquid on the inner wall of the feeding pipe, so that the metal liquid adhered to the inner wall of the feeding pipe is avoided to cause the blocking phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a perspective view of the present application;

[0032] Figure 2 It is a schematic view of the ring frame structure of the present application;

[0033] Figure 3 It is a schematic view of the sealing ring structure of the present application;

[0034] Figure 4 It is a schematic view of the box two structure of the present application;

[0035] Figure 5 It is a schematic view of the casting mold structure of the present application;

[0036] Figure 6 It is a schematic view of the waterproof box structure of the present application;

[0037] Figure 7 It is a schematic view of the electric telescopic unit three structure of the present application;

[0038] Figure 8 It is a schematic view of the closing plate structure of the present application;

[0039] Figure 9 It is a schematic view of the plate two structure of the present application;

[0040] Figure 10 It is a flow chart of the use method of the present application.

[0041] In the figure: 1, the plate body one; 2, the box body one; 3, motor; 4, rotating rod; 5, support tube; 6, cross rod; 7, annular frame; 8, pouring mold; 9, waterproof box; 10, electric telescopic unit one; 11, moving rod one; 12, closing plate; 13, electric telescopic unit two; 14, moving rod two; 15, heat insulation pushing block; 16, feed pipe; 17, electric telescopic unit three; 18, plate body two; 19, electric telescopic unit four; 20, scraping cone; 21, hydraulic telescopic unit one; 22, box body two; 23, heat dissipation fin; 24, sealing ring; 25, hydraulic telescopic unit two; 26, piston rod one; 27, push plate one; 28, hydraulic telescopic unit three; 29, piston rod two; 30, push plate two; 31, control unit. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0043] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0044] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] Please refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 , the present application provides an embodiment: a centrifugal casting device for high-speed rail brake brake steel back;

[0046] It includes plate body one 1, motor 3 and annular frame 7, the top of plate body one 1 is provided with box body one 2, the inside of box body one 2 is provided with motor 3, the output end of motor 3 is provided with rotating rod 4, one end of rotating rod 4 penetrates the top of box body one 2, one end of rotating rod 4 is provided with cross rod 6, the top of cross rod 6 is provided with annular frame 7, the inner wall of annular frame 7 is symmetrically provided with casting mold 8, the outer side of annular frame 7 is symmetrically provided with waterproof box 9, the top of waterproof box 9 is provided with control unit 31, the inner wall of one side of waterproof box 9 is provided with electric telescopic unit two 13, the output end of electric telescopic unit two 13 is provided with discharging mechanism, the discharging mechanism includes moving rod two 14 and heat insulation pushing block 15, one end of moving rod two 14 is connected with the output end of electric telescopic unit two 13, one end of moving rod two 14 is provided with heat insulation pushing block 15, and one end of heat insulation pushing block 15 penetrates the inner wall of one side of casting mold 8, plate body one 1 can provide mounting position for other components of the equipment, so that other components of the equipment have positions to be installed, box body one 2 can provide mounting position for motor 3, motor 3 can convert electric energy into kinetic energy, so as to drive rotating rod 4 to rotate, rotating rod 4 can drive cross rod 6 to rotate through rotation, cross rod 6 can drive annular frame 7 to rotate through rotation, annular frame 7 can drive casting mold 8 to rotate through rotation, casting mold 8 can provide forming space for high-speed rail brake steel back, waterproof box 9 can provide waterproof mounting space for electric telescopic unit two 13 and electric telescopic unit one 10, control unit 31 is a touch screen controller, is electrically connected with electric telescopic unit one 10, electric telescopic unit two 13, electric telescopic unit three 17 and electric telescopic unit four 19, and can control them at the same time, electric telescopic unit two 13 is an electric telescopic rod, can convert electric energy into kinetic energy, so as to drive moving rod two 14 to move, moving rod two 14 can drive heat insulation pushing block 15 to move through movement, heat insulation pushing block 15 can eject the steel back by moving to the formed steel back in the inside of casting mold 8.

[0047] Please refer to Figure 1 、 Figure 2 、 Figure 5 And Figure 8 , the present application provides an embodiment: a centrifugal casting device for high-speed rail brake steel back;

[0048] The top of the box body one 2 is provided with the support pipe 5, the support pipe 5 is located outside the rotating rod 4, the waterproof box 9 is provided with a plurality of electric telescopic units one 10 which are symmetrically arranged on the inner wall of one side, the output end of the electric telescopic unit one 10 is provided with a moving rod one 11, one end of the moving rod one 11 penetrates through the inner wall of one side of the annular frame 7, one end of the moving rod one 11 is provided with the closing plate 12, and the closing plate 12 is located on one side of the casting mold 8, the support pipe 5 can provide support for the rotating rod 4, the electric telescopic unit one 10 is an electric telescopic rod, which can convert electric energy into kinetic energy, so as to drive the moving rod one 11 to move, the moving rod one 11 can drive the closing plate 12 to move by moving, and the closing plate 12 can close the opening of the casting mold 8 by moving towards the casting mold 8.

[0049] Please refer to Figure 1 、 Figure 2 、 Figure 7 and Figure 9 , the present application provides an embodiment: a centrifugal casting device for brake steel back of high-speed rail brake;

[0050] The top input end of the casting mold 8 is provided with the feeding pipe 16, the top of the waterproof box 9 is provided with the electric telescopic unit three 17, the output end of the electric telescopic unit three 17 is provided with the plate body two 18, one side of the plate body two 18 is provided with the electric telescopic unit four 19, and the output end of the electric telescopic unit four 19 is provided with the material scraping cone 20, the feeding pipe 16 can provide a path for the metal liquid to enter the inside of the casting mold 8, the electric telescopic unit three 17 is an electric telescopic rod, which can convert electric energy into kinetic energy, so as to drive the plate body two 18 to move, the plate body two 18 can drive the electric telescopic unit four 19 to move by moving, the electric telescopic unit four 19 can drive the material scraping cone 20 to move by moving, the electric telescopic unit four 19 is an electric telescopic rod, which can convert electric energy into kinetic energy, so as to drive the material scraping cone 20 to move up and down, and the material scraping cone 20 can scrape off the metal liquid on the inner wall of the feeding pipe 16 by moving into the inside of the feeding pipe 16, so that the blockage caused by the adhesion of the liquid on the inner wall of the feeding pipe 16 is avoided.

[0051] Please refer to Figure 1 、 Figure 3 and Figure 4 , the present application provides an embodiment: a centrifugal casting device for brake steel back of high-speed rail brake;

[0052] The top of the plate body one 1 is provided with a cooling mechanism, the cooling mechanism comprises a hydraulic telescopic unit one 21, a box body two 22 and a heat dissipation fin 23, a plurality of hydraulic telescopic unit one 21 are symmetrically installed on the top of the plate body one 1, the output end of the hydraulic telescopic unit one 21 is provided with the box body two 22, a plurality of heat dissipation fins 23 are installed on the outside of the box body two 22, the hydraulic telescopic unit one 21 is a hydraulic cylinder, which can convert hydraulic energy into kinetic energy, so as to drive the box body two 22 to move up and down, the box body two 22 is provided with water, which is used to cool the casting mold 8, and the heat dissipation fin 23 can increase the heat dissipation area, so that the heat in the box body two 22 is dissipated more quickly.

[0053] Please refer to Figure 1 、 Figure 3 and Figure 4 , the present application provides an embodiment: a centrifugal casting device for high-speed rail brake steel back;

[0054] The bottom inner wall of the box body two 22 is provided with a sealing ring 24, the sealing ring 24 is located outside the rotating rod 4, the front of the box body two 22 is provided with a hydraulic telescopic unit two 25, the output end of the hydraulic telescopic unit two 25 is provided with a piston rod one 26, one end of the piston rod one 26 is provided with a push plate one 27, and the push plate one 27 is located inside the box body two 22, one side of the box body two 22 is symmetrically provided with a hydraulic telescopic unit three 28, the output end of the hydraulic telescopic unit three 28 is provided with a piston rod two 29, one end of the piston rod two 29 penetrates through the inner wall of one side of the box body two 22, one end of the piston rod two 29 is provided with a push plate two 30, and the sealing ring 24 plays a sealing role and can fill the gap between the rotating rod 4 and the box body two 22, so that the water in the box body two 22 cannot flow downward along the rotating rod 4, the hydraulic telescopic unit two 25 is a hydraulic cylinder, which can convert hydraulic energy into kinetic energy, so as to drive the piston rod one 26 to move forward and backward, the piston rod one 26 can drive the push plate one 27 to move forward and backward through forward and backward movement, and the push plate one 27 can push the high-speed rail brake steel back falling into the box body two 22 to the back of the box body two 22 through backward movement, the hydraulic telescopic unit three 28 is a hydraulic cylinder, which can convert hydraulic energy into kinetic energy, so as to drive the piston rod two 29 to move left and right, the piston rod two 29 can drive the push plate two 30 to move left and right through left and right movement, and the push plate two 30 can push the high-speed rail brake steel back to the right side of the box body two 22 through right movement, so as to facilitate the staff to concentrate on salvaging the steel back.

[0055] The casting method of the centrifugal casting device for high-speed rail brake steel back is as follows:

[0056] S1, first, the closing plate 12 closes the opening of the casting mold 8, and then the metal liquid is added into the casting mold 8 from the feeding pipe 16;

[0057] S2, then the motor 3 drives the annular frame 7 and the casting mold 8 to rotate, so that the metal liquid in the casting mold 8 fills the gap in the casting mold 8 under the centrifugal state;

[0058] S3, after the casting mold 8 rotates for a certain time, the motor 3 stops driving the casting mold 8 to rotate, then the hydraulic telescopic unit 21 drives the box body two 22 to move upwards, so that the casting mold 8 contacts the water in the box body two 22, thereby rapidly cooling the casting mold 8 and accelerating the cooling speed of the metal liquid in the casting mold 8;

[0059] S4, then the sealing plate 12 moves inward, so that the opening of the casting mold 8 is opened, then the heat insulation pushing block 15 is driven by the electric telescopic unit two 13 to push out the steel back shaped in the casting mold 8 and falls in the box body two 22;

[0060] S5, the push plate one 27 moves backward to push the steel back backward, then the push plate one 27 moves to the frontmost position, then the push plate two 30 moves rightward to push the steel back to the right interval inside the box body two 22, which is convenient for the staff to take down the steel back.

[0061] In S1, the following steps are further included:

[0062] S11, after the metal liquid enters the casting mold 8, the electric telescopic unit three 17 drives the scraping cone 20 to move above the feeding pipe 16, then the electric telescopic unit four 19 drives the scraping cone 20 to move downward to scrape the metal liquid on the inner wall of the feeding pipe 16.

[0063] Working principle: before using the centrifugal casting device of high iron brake steel back, whether the centrifugal casting device of high iron brake steel back exists the problem of affecting use should be checked first, first, the closing plate 12 closes the opening of the casting mold 8, then the metal liquid is added to the casting mold 8 from the feeding pipe 16, after the metal liquid enters the casting mold 8, the electric telescopic unit three 17 drives the material scraping cone 20 to move above the feeding pipe 16, then the electric telescopic unit four 19 drives the material scraping cone 20 to move downward to scrape the metal liquid on the inner wall of the feeding pipe 16, then the motor 3 drives the annular frame 7 and the casting mold 8 to rotate, so that the metal liquid in the casting mold 8 fills the gap in the casting mold 8 in the centrifugal state, after the casting mold 8 rotates for a certain time, the motor 3 stops driving the casting mold 8 to rotate, then the hydraulic telescopic unit one 21 drives the box body two 22 to move upwards, so that the casting mold 8 contacts the water in the box body two 22, thereby the casting mold 8 is rapidly cooled, the cooling speed of the metal liquid in the casting mold 8 is accelerated, then the closing plate 12 moves inward, so that the opening of the casting mold 8 is opened, then the heat insulation pushing block 15 is driven by the electric telescopic unit two 13 to push out the steel back formed in the casting mold 8, and falls in the box body two 22, the pushing plate one 27 moves backward to push the steel back backward, then the pushing plate one 27 moves to the frontmost position, then the pushing plate two 30 moves right to push the steel back to the right side interval in the box body two 22, which is convenient for workers to take down the steel back.

[0064] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics thereof. The presently disclosed compounds, compositions and methods should not be considered limited to the examples described and should be understood to include all variations falling within the scope of the equivalents of the claims and wherein any reference signs in the claims should not be considered limiting of the claims in relation to the features to which they refer.

Claims

1. A centrifugal casting device for brake steel back for high speed train brake, characterized in that: Including the board body one (1), the annular frame (7) and the hydraulic telescopic unit one (21), the top of board body one (1) is installed with box body one (2), the inside of box body one (2) is installed with motor (3), the output of motor (3) is installed with rotary rod (4), one end of rotary rod (4) penetrates the top of box body one (2), one end of rotary rod (4) is installed with cross rod (6), the top of cross rod (6) is installed with annular frame (7), the inner wall of annular frame (7) is installed with casting mold (8) symmetry, the outside of annular frame (7) is installed with waterproof box (9) symmetry, the top of waterproof box (9) is installed with control unit (31), the inside wall of one side of waterproof box (9) is installed with electric telescopic unit two (13), the output of electric telescopic unit two (13) is provided with discharging mechanism; The discharging mechanism includes a moving rod two (14) and a heat insulation pushing block (15), one end of the moving rod two (14) is connected with the output end of the electric telescopic unit two (13), one end of the moving rod two (14) is installed with the heat insulation pushing block (15), and one end of the heat insulation pushing block (15) penetrates the inner wall of one side of the casting mold (8); The top of the board body one (1) is provided with a cooling mechanism; The cooling mechanism includes hydraulic telescopic unit one (21), box body two (22) and heat dissipation fin (23), a plurality of hydraulic telescopic unit one (21) is symmetrically installed on the top of the board body one (1), the output end of the hydraulic telescopic unit one (21) is installed with the box body two (22), the outside of the box body two (22) is installed with a plurality of heat dissipation fins (23); The top input end of the casting mold (8) is installed with a feeding pipe (16), the top of the waterproof box (9) is installed with an electric telescopic unit three (17), the output end of the electric telescopic unit three (17) is installed with a board body two (18), one side of the board body two (18) is installed with an electric telescopic unit four (19), the output end of the electric telescopic unit four (19) is installed with a scraping cone (20); The front of the box body two (22) is installed with a hydraulic telescopic unit two (25), the output end of the hydraulic telescopic unit two (25) is installed with a piston rod one (26), one end of the piston rod one (26) is installed with a push plate one (27), and the push plate one (27) is located in the inside of the box body two (22); One side of the box body two (22) is symmetrically installed with a hydraulic telescopic unit three (28), the output end of the hydraulic telescopic unit three (28) is installed with a piston rod two (29), one end of the piston rod two (29) penetrates the inner wall of one side of the box body two (22), one end of the piston rod two (29) is installed with a push plate two (30).

2. A centrifugal casting device for brake steel back of high speed train brake according to claim 1, characterized in that: The top of the box body one (2) is provided with a support pipe (5), and the support pipe (5) is located outside the rotating rod (4), a plurality of electric telescopic units one (10) are symmetrically installed on the inner wall of one side of the waterproof box (9), the output end of the electric telescopic unit one (10) is provided with a moving rod one (11), one end of the moving rod one (11) penetrates through the inner wall of one side of the annular frame (7), one end of the moving rod one (11) is provided with a closing plate (12), and the closing plate (12) is located on one side of the casting mold (8).

3. A centrifugal casting device for brake steel back of high speed train brake as claimed in claim 1, wherein: The bottom inner wall of the box body two (22) is provided with a sealing ring (24) penetratingly installed, and the sealing ring (24) is located outside the rotating rod (4).

4. The centrifugal casting method of a centrifugal casting device for brake steel back of high-speed rail brake according to any one of claims 1-3, characterized in that: The casting method of the high-speed rail brake steel back centrifugal casting device is as follows: S1, first, the closing plate (12) closes the opening of the casting mold (8), and then the metal liquid is added into the casting mold (8) from the feeding pipe (16); S2, then the motor (3) drives the annular frame (7) and the casting mold (8) to rotate, so that the metal liquid in the casting mold (8) fills the gap in the casting mold (8) in the centrifugal state; S3, after the casting mold (8) rotates for a certain time, the motor (3) stops driving the casting mold (8) to rotate, then the hydraulic telescopic unit one (21) drives the box body two (22) to move upwards, so that the casting mold (8) contacts the water in the box body two (22), thereby rapidly cooling the casting mold (8) and accelerating the cooling speed of the metal liquid in the casting mold (8); S4, then the closing plate (12) moves inwardly, so that the opening of the casting mold (8) is opened, then the heat insulation pushing block (15) is driven by the electric telescopic unit two (13) to push out the steel back formed in the casting mold (8), and falls in the box body two (22); S5, the push plate one (27) moves backward to push the steel back backward, then the push plate one (27) moves to the most front, then the push plate two (30) moves to the right to push the steel back to the right side interval in the box body two (22), which is convenient for workers to take down the steel back.

5. The centrifugal casting method of a centrifugal casting device for brake steel back of high speed rail brake according to claim 4, characterized in that: In the S1, the following steps are further included: S11, after the metal liquid enters the casting mold (8), the electric telescopic unit three (17) drives the material scraping cone (20) to move above the feeding pipe (16), and then the electric telescopic unit four (19) drives the material scraping cone (20) to move downward to scrape off the metal liquid on the inner wall of the feeding pipe (16).

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