CN112846078A

CN112846078A - Processing die of high-carbon steel brake disc

Info

Publication number: CN112846078A
Application number: CN202011631302.0A
Authority: CN
Inventors: 柴树稳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-28

Abstract

The invention relates to the field of vehicle high-carbon steel brake discs, in particular to a processing mold of a high-carbon steel brake disc, which comprises a mold, a pouring structure, a brake disc structure, a movable fixing structure, a demolding structure and a supporting structure, wherein the pouring structure is arranged on the mold; the casting method is characterized in that a manufacturing process of one mold with two parts and up-down parting is adopted according to the structural characteristics of a brake disc, the whole product is placed in a lower mold, a bottom pouring rain type pouring system is adopted, molten iron filling and dispersing are stable, sand hole defects are reduced, the surface quality of the product is improved, the sand washing phenomenon generated in molten iron pouring is avoided, during pouring, the molten iron is poured from a pouring cup and enters an inner pouring gate through a sprue, the molten iron is stably and uniformly introduced through an umbrella-shaped inner pouring gate, and as five exhaust needles are distributed in an annular array in the interior of a sand mold, and the exhaust needles have no riser process, graphitization expansion is fully utilized, self-feeding solidification of a casting is realized, the production cost is saved, and the workload of riser clearing is reduced.

Description

Processing die of high-carbon steel brake disc

Technical Field

The invention relates to the field of vehicle high-carbon steel brake discs, in particular to a processing die for a high-carbon steel brake disc.

Background

In recent years, with the advancement of vehicle technology and the increase in the running speed of automobiles, the importance of a vehicle brake system in terms of the safety of a vehicle has become more and more apparent. In the braking system of an automobile, one of its key components is the brake disc. A brake disc as a friction element of a brake should have good thermal conductivity and wear resistance in addition to the strength and rigidity required as a member. Gray cast iron has long been the preferred material for brake discs, and is mainly made of common gray cast iron HT150 and HT 200.

As the product acceptance needs to pass the dynamic balance test, if the wall thickness is uneven, the phenomenon that the dynamic balance test does not reach the standard easily occurs, and the product is manufactured by clay sand modeling, sand washing easily occurs in the pouring process, and the appearance quality of the product is influenced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a processing die for a high-carbon steel brake disc.

The technical scheme adopted by the invention for solving the technical problems is as follows: a processing die for a high-carbon steel brake disc comprises a die, a pouring structure, a brake disc structure, a movable fixing structure, a demoulding structure and a supporting structure, wherein the pouring structure for performing pouring molding on an automobile brake disc is arranged in the die for fixing sand, and the brake disc structure for performing pouring molding is arranged in the pouring structure; the bottom of mould is installed and is used for right the mould removes fixedly remove fixed knot structure the internally mounted of mould is used for conveniently right the inside product of mould carries out the drawing of patterns demoulding structure the externally mounted of mould has two to be used for supporting the casting ladle bearing structure.

Specifically, the pouring structure includes sand mould, pouring basin, exhaust needle, sprue and ingate, the sand mould is located the inside of mould the inside of sand mould is equipped with two and is that the symmetric relation sets up the pouring basin, and two the pouring basin all is hopper-shaped structure the inside of sand mould the outside of pouring basin is that the annular array distributes five the exhaust needle the inside of sand mould the bottom of pouring basin is equipped with the ingate the inside of sand mould the ingate deviate from the ingate's one end is equipped with and is umbrella-shaped structure the ingate.

Specifically, the brake disc structure comprises a working disc, a mounting disc, a connecting support body, cubic columns and ventilation ducts, the working disc is arranged in the sand mold, the mounting disc is arranged in the sand mold, the connecting support body is arranged in the sand mold, the working disc is connected with the mounting disc through the connecting support body, a plurality of cubic columns in a grid structure are arranged in the working disc, and the cubic columns divide the interior of the working disc into the ventilation ducts.

Specifically, the movable fixing structure comprises a base, a universal wheel, a mounting groove, fixing sleeves, a limiting groove, a limiting rod, a limiting block, a first spring, a fixing groove, a fixing rod and a second spring, wherein the base is arranged at the bottom end of the mold, the mounting groove is arranged at the top end of the base, the mold is placed in the mounting groove, the two fixing sleeves which are in a symmetrical relation are fixed at the top end of the base in a vertical relation, the limiting groove is arranged at two ends of the mold, which are close to the two fixing sleeves, the limiting rod is connected in the fixing sleeves in a sliding way, the limiting block is fixed at one end of the limiting rod and is connected with the fixing sleeves in a sliding way, the first spring is clamped and fixed between the limiting block and the fixing sleeves, the fixing groove is arranged at one end of the limiting rod, the fixing rod in an l-shaped structure is connected inside the fixing sleeve in a sliding mode, and the second spring is clamped and fixed between the fixing rod and the fixing sleeve.

Specifically, the demolding structure comprises a rotating rod, a pedal, a rotating sleeve, a third spring, guide sleeves, guide pillars, a top plate and a top rod, the rotating sleeve is fixed to the bottom end of the mold, the rotating rod is rotated on the rotating sleeve, the pedal is fixed to one end of the rotating rod, the third spring is clamped and fixed between the rotating rod and the mold, four guide sleeves are fixed to the bottom end inside the mold in a pairwise symmetric manner, the top plate is connected to the inside of the mold in a sliding manner, four guide pillars are fixed to the bottom end of the top plate in a pairwise symmetric manner, the four guide pillars are all connected with the four guide sleeves in a sliding manner, and the top rod is fixed to the bottom end of the top plate in a vertical relationship.

Specifically, the supporting structure comprises a supporting rod, a crank, a sliding rod, a supporting sleeve, a first clamping tooth, a second clamping tooth, an inserted link, a sliding block, a fourth spring, a first gear and a second gear, wherein the supporting rod is fixed outside the die, one end of the supporting rod is rotatably connected with the crank, the sliding rod is slidably connected inside the supporting rod, one side of the sliding rod is linearly fixed with the first clamping teeth with triangular cross sections, the inserted link is slidably connected inside the supporting rod, the inserted link can be clamped with the sliding rod through the first clamping tooth, one end of the inserted link is fixed with the sliding block, the fourth spring is clamped and fixed between the sliding block and the supporting rod, one end of the sliding rod, which deviates from the first clamping tooth, is linearly fixed with the second clamping tooth with triangular cross sections, the inner part of the supporting rod is rotatably connected with the first gear, the inner part of the supporting rod is rotatably connected with the second gear, the first gear is meshed with the second gear, the outer diameter of the first gear is larger than that of the second gear, and the crank is fixedly connected with the center of the second gear.

The invention has the beneficial effects that:

(1) the invention relates to a processing mould of a high-carbon steel brake disc, which adopts a manufacturing process of one mould with two parts and up and down parting according to the structural characteristics of the brake disc, the whole product is arranged in a lower mould, a bottom pouring shower type pouring system is adopted, molten iron filling dispersion is stable, thereby reducing the sand hole defect, improving the surface quality of the product, avoiding the sand washing phenomenon generated in the molten iron pouring process, when in pouring, the molten iron is poured from a pouring cup, then enters an inner pouring gate through a straight pouring gate, and is stably and uniformly introduced through the umbrella-shaped inner pouring gate, because five exhaust needles are distributed in an annular array in the sand mould, the exhaust needles have no riser head process, the graphitization expansion is fully utilized, the self-feeding solidification of a casting is realized, the production cost is saved, the workload of riser head clearing is reduced, two friction assembly binding surfaces for working are arranged on the work disc, a net type ventilation duct is arranged between the binding surfaces of the two friction assemblies and is formed by uniformly distributing a plurality of cubic columns, and the cubic columns not only play a supporting role, but also have a good heat dissipation function due to a large number of factors and a large surface area.

(2) The processing mould of the high-carbon steel brake disc can facilitate the transportation of the mould and the installation and the disassembly of the mould through the arrangement of the movable fixing structure, thereby facilitating the use of the mould, namely, because the universal wheel is arranged at the bottom end of the base for placing the mould, the transportation of the placed mould can be facilitated, when the mould is placed in the fixed groove on the base, the preliminary fixing function and the guiding and fixing function can be realized through the arrangement of the fixed groove, because the limit groove is arranged in the mould, when the mould needs to be taken down from the base, the fixed rod can be directly stepped by feet, the fixed rod can be drawn out from the inside of the fixed groove on the limit rod, the limit rod is not limited any more at the moment, the limit rod can be immediately popped out under the elastic force of the first spring, and the limit rod is not limited any more at the moment, the mold can be easily taken down, and when the mold is installed, the limiting rod only needs to be inserted into the limiting groove, so that the installation and the disassembly are convenient, and the later-stage replacement and maintenance are convenient.

(3) According to the processing mold for the high-carbon steel brake disc, the pouring structure can be conveniently ejected out of the interior of the mold through the arrangement of the demolding structure, so that demolding can be conveniently carried out, namely when the sand mold in the mold needs to be taken out, only a pedal is needed to be stepped on, after the pedal is subjected to pressure, the other end of the rotating rod can abut against the ejector rod according to the lever principle, the ejector rod can easily eject the top plate which is connected to the interior of the mold in a sliding mode, the top plate can eject the sand mold in the mold, and therefore the labor-saving effect can be achieved.

(4) The processing mould of the high-carbon steel brake disc can be used for conveniently and temporarily lifting the casting bucket through the arrangement of the supporting structure, so that labor can be saved, the placement of the casting bucket is convenient, the casting accuracy can be greatly improved, the condition of external leakage during casting is avoided, and the effect of saving raw materials is achieved, namely when molten iron is required to be poured into a sand mould, the mould is required to be moved to the lower part of the casting bucket firstly, then when the casting bucket rotates until a water outlet is placed on the supporting sleeve, the molten iron can be poured, if the height of the supporting sleeve is required to be adjusted, the inserted rod is required to be pulled out firstly, so that the sliding rod is not limited any more, then the crank is rotated, and because the crank is fixed with the second gear which is meshed with the first gear, the first gear can drive the sliding rod to slide up and down when the crank is rotated, can carry out the upper and lower regulation of slide bar to be convenient for to the pouring environment of difference, after the high definite completion of supporting the cover, only need loosen the inserted bar, the slide bar will be blocked this moment, thereby is convenient for pour.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a structural diagram illustrating an overall structure of a preferred embodiment of a machining die for a high-carbon steel brake disc provided by the invention;

FIG. 2 is a schematic view of the connection between the mobile fixed structure and the demolding structure shown in FIG. 1;

FIG. 3 is a schematic view of the connection of the cast structure and the brake disc structure shown in FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 2;

fig. 5 is a schematic structural view of the support structure shown in fig. 1.

In the figure: 1. a mould, 2, a pouring structure, 21, a sand mould, 22, a pouring cup, 23, an exhaust needle, 24, a sprue, 25, an inner pouring gate, 3, a brake disc structure, 31, a working disc, 32, a mounting disc, 33, a connecting support body, 34, a cubic column, 35, a ventilation duct, 4, a moving fixing structure, 41, a base, 42, a universal wheel, 43, a mounting groove, 44, a fixing sleeve, 45, a limiting groove, 46, a limiting rod, 47, a limiting block, 48, a first spring, 49, a fixing groove, 49a, a fixing rod, 49b, a second spring, 5, a demoulding structure, 51, a rotating rod, 52, a pedal, 53, a rotating sleeve, 54, a third spring, 55, a guide sleeve, 56, a guide column, 57, a top plate, 58, a top rod, 6, a supporting structure, 61, a supporting rod, 62, a crank, 63, a sliding rod, 64, a supporting sleeve, 65, a first latch, 66, a second latch, 67 and an inserting rod, 68. a slider 69, a fourth spring 69a, a first gear 69b, a second gear.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, the machining mold for the high-carbon steel brake disc according to the present invention includes a mold 1, a pouring structure 2, a brake disc structure 3, a movable fixing structure 4, a demolding structure 5 and a supporting structure 6, wherein the pouring structure 2 for performing pouring molding on an automobile brake disc is disposed inside the mold 1 for fixing sand, and the brake disc structure 3 for performing pouring molding is disposed inside the pouring structure 2; the bottom of mould 1 is installed and is used for right mould 1 removes fixedly remove fixed knot and construct 4 mould 1's internally mounted is used for conveniently right the inside product of mould 1 carries out the drawing of patterns demoulding structure 5 mould 1's externally mounted has two to be used for supporting the casting ladle bearing structure 6.

Specifically, the pouring structure 2 comprises a sand mold 21, pouring cups 22, exhaust needles 23, sprues 24 and ingates 25, the sand mold 21 is arranged in the mold 1, two pouring cups 22 which are arranged in a symmetrical relationship are arranged in the sand mold 21, the two pouring cups 22 are both funnel-shaped structures, five exhaust needles 23 are distributed in the sand mold 21 and outside the pouring cups 22 in an annular array, the sprues 24 are arranged in the sand mold 21 and at the bottom end of the pouring cups 22, the ingates 25 which are in an umbrella-shaped structure are arranged in the sand mold 21 and at one end of the sprues 24, which is far away from the pouring cups 22, the pouring structure 2 adopts a manufacturing process of one mold with two parts according to the structural characteristics of a brake disc, the upper and lower parting and places the whole product in the lower mold, and adopts a pouring system of bottom rain pouring type to ensure that the molten iron filling is dispersed stably, therefore, the defects of sand holes are reduced, the surface quality of a product is improved, the sand washing phenomenon generated in the process of pouring molten iron is avoided, the molten iron is poured from the sprue cup 22 in the process of pouring, then enters the inner sprue 25 through the sprue 24, and is stably and uniformly introduced through the 5 umbrella-shaped inner sprues 25, five exhaust needles 23 are distributed in the sand mold 21 in an annular array manner, the exhaust needles 23 have no riser process, the graphitization expansion is fully utilized, the self-feeding solidification of castings is realized, the production cost is saved, and the workload of riser clearing is also reduced.

Specifically, the brake disc structure 3 includes a work disc 31, a mounting disc 32, a coupling support body 33, a cubic column 34, and a ventilation duct 35, the work disc 31 is provided inside the sand mold 21, the mounting disc 32 is provided inside the sand mold 21, the coupling support body 33 is provided inside the sand mold 21, the work disc 31 and the mounting disc 32 are coupled by the coupling support body 33, the plurality of cubic columns 34 having a mesh-like structure are provided inside the work disc 31, the plurality of cubic columns 34 divide the inside of the work disc 31 into the ventilation duct 35, two friction assembly attachment surfaces for work are provided on the work disc 31, a mesh type ventilation duct 35 is provided between the two friction assembly attachment surfaces, and the mesh type ventilation duct 35 is formed by uniformly distributing the plurality of cubic columns 34, the cubic columns 34 not only support, but also have good heat dissipation function due to large quantity and large surface area.

Specifically, the movable fixing structure 4 includes a base 41, a universal wheel 42, a mounting groove 43, a fixing sleeve 44, a limiting groove 45, a limiting rod 46, a limiting block 47, a first spring 48, a fixing groove 49, a fixing rod 49a and a second spring 49b, the base 41 is disposed at the bottom end of the mold 1, the mounting groove 43 is disposed at the top end of the base 41, the mold 1 is disposed inside the mounting groove 43, two symmetrical fixing sleeves 44 are fixed at the top end of the base 41 in a perpendicular relationship, the limiting grooves 45 are disposed at two ends of the mold 1 close to the two fixing sleeves 44, the limiting rod 46 is slidably connected inside the fixing sleeve 44, the limiting block 47 is fixed at one end of the limiting rod 46, the limiting block 47 is slidably connected with the fixing sleeve 44, and the first spring 48 is clamped and fixed between the limiting block 47 and the fixing sleeve 44, the fixing groove 49 is provided at one end of the limiting rod 46, the fixing rod 49a with an l-shaped structure is slidably connected to the inside of the fixing sleeve 44, the second spring 49b is clamped and fixed between the fixing rod 49a and the fixing sleeve 44, the universal wheel 42 is installed at the bottom end of the base 41 on which the mold 1 is placed, so that the mold 1 can be conveniently transported, when the mold 1 is placed in the fixing groove 49 on the base 41, the fixing groove 49 is provided, so that not only a primary fixing function but also a guiding and fixing function can be achieved, due to the limiting groove 45 provided in the mold 1, when the mold 1 needs to be taken off from the base 41, the fixing rod 49a can be directly stepped on by feet, and the fixing rod 49a can be drawn out from the inside of the fixing groove 49 on the limiting rod 46, at this moment, the limiting rod 46 does not receive limiting action any more, and can be immediately popped out under the elastic action of the first spring 48, at this moment, the limiting rod 46 does not limit the limiting groove 45 any more, so that the die 1 can be easily taken down, and during the installation of the die 1, the limiting rod 46 only needs to be inserted into the limiting groove 45, so that the installation and the disassembly are convenient, and the later-stage replacement and maintenance are convenient.

Specifically, the demolding structure 5 includes a rotating rod 51, a pedal 52, a rotating sleeve 53, a third spring 54, a guide sleeve 55, a guide pillar 56, a top plate 57 and a top rod 58, the rotating sleeve 53 is fixed at the bottom end of the mold 1, the rotating rod 51 is rotated on the rotating sleeve 53, the pedal 52 is fixed at one end of the rotating rod 51, the third spring 54 is clamped and fixed between the rotating rod 51 and the mold 1, four guide sleeves 55 are fixed at the bottom end inside the mold 1 in a pairwise symmetric relationship, the top plate 57 is slidably connected inside the mold 1, four guide pillars 56 are fixed at the bottom end of the top plate 57 in a pairwise symmetric relationship, the four guide pillars 56 are all slidably connected with the four guide sleeves 55, the top rod 58 is fixed at the bottom end of the top plate 57 in a perpendicular relationship, that is when the sand mold 21 inside the mold 1 needs to be taken out, only the pedal 52 is needed to be stepped by feet, after the pedal 52 is pressed, the other end of the rotating rod 51 can abut against the ejector rod 58 by utilizing the lever principle, at the moment, the ejector rod 58 can easily eject the top plate 57 which is slidably connected inside the mold 1, the top plate 57 can eject the sand mold 21 inside the mold 1, and therefore, the labor-saving effect can be achieved, in addition, the guide pillar 56 is fixed at the bottom end of the top plate 57, the guide sleeve 55 is fixed inside the mold 1, and through the matching use of the guide pillar 56 and the guide sleeve 55, the sliding property of the top plate 57 can be greatly improved, and therefore, the sand mold 21 can be conveniently taken out.

Specifically, the support structure 6 includes a support rod 61, a crank 62, a sliding rod 63, a support sleeve 64, a first latch 65, a second latch 66, an insertion rod 67, a sliding block 68, a fourth spring 69, a first gear 69a and a second gear 69b, wherein the support rod 61 is fixed outside the mold 1, one end of the support rod 61 is rotatably connected with the crank 62, the sliding rod 63 is slidably connected inside the support rod 61, a plurality of first latches 65 with triangular cross-sections are linearly fixed on one side of the sliding rod 63, the insertion rod 67 is slidably connected inside the support rod 61, the insertion rod 67 can be clamped with the sliding rod 63 through the first latches 65, the sliding block 68 is fixed on one end of the insertion rod 67, the fourth spring 69 is clamped and fixed between the sliding block 68 and the support rod 61, and a plurality of second latches 65 with triangular cross-sections are linearly fixed on one end of the sliding rod 63 away from the first latches 65 The second latch 66 is rotatably connected to the inside of the support rod 61, the first gear 69a is rotatably connected to the inside of the support rod 61, the second gear 69b is rotatably connected to the inside of the support rod 61, the first gear 69a is engaged with the second gear 69b, the outer diameter of the first gear 69a is greater than the outer diameter of the second gear 69b, the crank 62 is fixedly connected to the center of the second gear 69b, when molten iron needs to be poured into the inside of the sand mold 21, the mold 1 needs to be moved to the lower side of the casting bucket first, then when the casting bucket rotates to a water outlet and is placed on the support sleeve 64, the molten iron can be poured, if the height of the support sleeve 64 needs to be adjusted, the inserted rod 67 is pulled out to prevent the slide rod 63 from being limited, the crank 62 is rotated, and the crank 62 is fixed to the second gear 69b, the second gear 69b is meshed with the first gear 69a, so that when the crank 62 is rotated, the first gear 69a drives the slide bar 63 to slide up and down, and the slide bar 63 can be adjusted up and down, so that for different pouring environments, after the height of the support sleeve 64 is determined, the slide bar 63 can be clamped only by loosening the inserted rod 67, and pouring is facilitated.

When the mold 1 is placed in the fixing groove 49 on the base 41, the fixing rod 49a can be directly stepped on by feet, the fixing rod 49a can be drawn out from the fixing groove 49 on the limiting rod 46 at the moment, the limiting rod 46 is not limited any more at the moment, the limiting rod 46 can be immediately ejected under the elastic force of the first spring 48, and the limiting rod 46 does not limit the limiting groove 45 any more at the moment, the mold 1 can be easily taken down, and when the mold 1 is installed, only the limiting rod 46 needs to be inserted into the limiting groove 45, so that the installation and the disassembly are convenient, and the later replacement and the maintenance are convenient; when molten iron needs to be poured into the sand mold 21, the mold 1 needs to be moved to the lower part of the pouring ladle, then when the pouring ladle is rotated to a water outlet and placed on the support sleeve 64, the molten iron can be poured, if the height of the support sleeve 64 needs to be adjusted, the inserted rod 67 is pulled out firstly, so that the sliding rod 63 is not limited any more, then the crank 62 is rotated, because the crank 62 is fixed with the second gear 69b, and the second gear 69b is meshed with the first gear 69a, when the crank 62 is rotated, the first gear 69a can drive the sliding rod 63 to slide up and down, so that the sliding rod 63 can be adjusted up and down, and therefore, for different pouring environments, after the height of the support sleeve 64 is determined, the inserted rod 67 only needs to be loosened, and at this time, the sliding rod 63 is clamped, thereby facilitating the casting; the manufacturing process of one mould with two parts and up-down parting is adopted according to the structural characteristics of the brake disc, the whole product is arranged in a lower mould, a bottom pouring rain casting type pouring system is adopted, molten iron filling and dispersing are stable, so that the sand hole defect is reduced, the surface quality of the product is improved, the sand washing phenomenon generated in the molten iron pouring process is avoided, during the pouring process, the molten iron is poured from the pouring cup 22 and enters the inner pouring gate 25 through the straight pouring gate 24, the molten iron is stably and uniformly introduced through the umbrella-shaped 5 inner pouring gates 25, as the five exhaust needles 23 are distributed in the sand mould 21 in an annular array manner, the exhaust needles 23 have no process, the graphitization expansion is fully utilized, the self-compensation solidification of the casting is realized, the production cost is saved, the workload of removing the riser head is reduced, two friction assembly joint surfaces for working are arranged on the work disc 31, the net type ventilation duct 35 is arranged between the two abutting surfaces of the friction assembly, the net type ventilation duct 35 is formed by uniformly distributing a plurality of cubic columns 34, and the cubic columns 34 not only play a supporting role, but also have a good heat dissipation function due to a large quantity and a large surface area; that is, when the sand mold 21 in the mold 1 needs to be taken out, the pedal 52 is only needed to be stepped on by feet, after the pedal 52 receives pressure, the other end of the rotating rod 51 abuts against the ejector rod 58 according to the principle of a lever, at this time, the ejector rod 58 can easily eject the top plate 57 slidably connected in the mold 1, and the top plate 57 can eject the sand mold 21 in the mold 1, so that the labor-saving effect can be achieved, and the guide pillar 56 is fixed at the bottom end of the top plate 57, the guide sleeve 55 is fixed in the mold 1, and the sliding property of the top plate 57 can be greatly improved through the matching use of the guide pillar 56 and the guide sleeve 55, so that the sand mold 21 can be taken out conveniently.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mold processing of high carbon steel brake disc which characterized in that: the sand-fixing mold comprises a mold (1), a pouring structure (2), a brake disc structure (3), a movable fixing structure (4), a demolding structure (5) and a supporting structure (6), wherein the pouring structure (2) for pouring and molding an automobile brake disc is arranged in the mold (1) for fixing sand, and the brake disc structure (3) for pouring and molding is arranged in the pouring structure (2); the bottom of mould (1) is installed and is used for right mould (1) removes fixedly remove fixed knot structure (4) the internally mounted of mould (1) is used for conveniently right the inside product of mould (1) carries out the drawing of patterns demoulding structure (5) the externally mounted of mould (1) has two to be used for supporting the casting ladle bearing structure (6).

2. The processing die of the brake disc made of the high-carbon steel as claimed in claim 1, wherein: pouring structure (2) include sand mould (21), pouring basin (22), exhaust needle (23), sprue (24) and ingate (25), sand mould (21) are located the inside of mould (1) the inside of sand mould (21) is equipped with two and is that symmetrical relation sets up pouring basin (22), and two pouring basin (22) all are funnel shaped structure the inside of sand mould (21) the outside of pouring basin (22) is five that the annular array distributes exhaust needle (23) the inside of sand mould (21) the bottom of pouring basin (22) is equipped with ingate (24) the inside of sand mould (21) sprue (24) deviate from the one end of pouring basin (22) is equipped with and is umbrella-type structure ingate (25).

3. The processing die of the brake disc made of the high-carbon steel as claimed in claim 2, wherein: the brake disc structure (3) comprises a working disc (31), a mounting disc (32), a connecting support body (33), cubic columns (34) and ventilation holes (35), the working disc (31) is arranged in the sand mould (21), the mounting disc (32) is arranged in the sand mould (21), the connecting support body (33) is arranged in the sand mould (21), the working disc (31) and the mounting disc (32) are connected through the connecting support body (33), a plurality of the cubic columns (34) in a grid structure are arranged in the working disc (31), and the cubic columns (34) divide the inside of the working disc (31) into the ventilation holes (35).

4. The processing die of the brake disc made of the high-carbon steel as claimed in claim 1, wherein: the movable fixing structure (4) comprises a base (41), universal wheels (42), a mounting groove (43), a fixing sleeve (44), a limiting groove (45), a limiting rod (46), a limiting block (47), a first spring (48), a fixing groove (49), a fixing rod (49a) and a second spring (49b), wherein the base (41) is arranged at the bottom end of the mold (1), the mounting groove (43) is arranged at the top end of the base (41), the mold (1) is placed in the mounting groove (43), two fixing sleeves (44) which are in a symmetrical relation are fixed at the top end of the base (41) in a vertical relation, the mold (1) is close to the two ends of the fixing sleeves (44) and are respectively provided with the limiting groove (45), the limiting rod (46) is connected to the inner portion of the fixing sleeves (44) in a sliding way, the limiting block (47) is fixed at one end of the limiting rod (46), the limiting block (47) is connected with the fixed sleeve (44) in a sliding mode, the first spring (48) is clamped and fixed between the limiting block (47) and the fixed sleeve (44), the fixing groove (49) is formed in one end of the limiting rod (46), the fixing rod (49a) in an l-shaped structure is connected inside the fixed sleeve (44) in a sliding mode, and the second spring (49b) is clamped and fixed between the fixing rod (49a) and the fixed sleeve (44).

5. The processing die of the brake disc made of the high-carbon steel as claimed in claim 1, wherein: the demolding structure (5) comprises a rotating rod (51), a pedal (52), a rotating sleeve (53), a third spring (54), guide sleeves (55), guide columns (56), a top plate (57) and a top rod (58), the rotating sleeve (53) is fixed at the bottom end of the mold (1), the rotating rod (51) is rotated on the rotating sleeve (53), the pedal (52) is fixed at one end of the rotating rod (51), the third spring (54) is clamped and fixed between the rotating rod (51) and the mold (1), the four guide sleeves (55) are fixed at the bottom end inside the mold (1) in pairwise symmetry relation, the top plate (57) is connected inside the mold (1) in a sliding way, the four guide columns (56) are fixed at the bottom end of the top plate (57) in pairwise symmetry way, and the four guide columns (56) are all connected with the four guide sleeves (55) in a sliding way, the top bar (58) is fixed at the bottom end of the top plate (57) in a vertical relationship.

6. The processing die of the brake disc made of the high-carbon steel as claimed in claim 1, wherein: the supporting structure (6) comprises a supporting rod (61), a crank (62), a sliding rod (63), a supporting sleeve (64), a first latch (65), a second latch (66), an inserted bar (67), a sliding block (68), a fourth spring (69), a first gear (69a) and a second gear (69b), the supporting rod (61) is fixed outside the die (1), one end of the supporting rod (61) is rotatably connected with the crank (62), the inside of the supporting rod (61) is slidably connected with the sliding rod (63), one side of the sliding rod (63) is linearly fixed with a plurality of first latches (65) with triangular sections, the inside of the supporting rod (61) is slidably connected with the inserted bar (67), the inserted bar (67) can be clamped with the sliding rod (63) through the first latches (65), one end of the inserted bar (67) is fixed with the sliding block (68), the fourth spring (69) is clamped and fixed between the sliding block (68) and the supporting rod (61), one end, away from the first clamping tooth (65), of the sliding rod (63) is linearly fixed with a plurality of second clamping teeth (66) with triangular cross sections, the supporting rod (61) is rotatably connected with the first gear (69a), the supporting rod (61) is rotatably connected with the second gear (69b), the first gear (69a) is meshed with the second gear (69b), the outer diameter of the first gear (69a) is larger than that of the second gear (69b), and the crank (62) is fixedly connected with the center of the second gear (69 b).