CN115805293A - Brake hub casting device - Google Patents
Brake hub casting device Download PDFInfo
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- CN115805293A CN115805293A CN202310051052.0A CN202310051052A CN115805293A CN 115805293 A CN115805293 A CN 115805293A CN 202310051052 A CN202310051052 A CN 202310051052A CN 115805293 A CN115805293 A CN 115805293A
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- upper cover
- bottom plate
- brake hub
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Abstract
The invention discloses a brake hub casting device, and belongs to the technical field of casting equipment. The method comprises the following steps: the casting die comprises three groups of side dies, a bottom plate and an upper cover, wherein push-pull components are arranged on the outer sides of the three groups of side dies, and the upper cover is arranged at the top ends of the three groups of side dies through lifting components; the contact places among the three groups of side molds, the bottom plate and the upper cover plate are smooth surfaces, and the middle space among the three groups of side molds, the bottom plate and the upper cover plate is a casting cavity; a plurality of rotating rods are vertically and hermetically and rotatably arranged on the bottom plate, an accommodating cavity is formed in the bottom plate, and a driving part for driving the plurality of rotating rods to rotate is arranged in the accommodating cavity; the upper cover is internally provided with a cavity, a flow guide pipe is horizontally and fixedly sleeved in the cavity, and the outer end of the flow guide pipe is connected with a pneumatic component. The invention effectively solves the problems of inconvenient demoulding and slow cooling speed after the casting is finished.
Description
Technical Field
The invention relates to the technical field of casting equipment, in particular to a brake hub casting device.
Background
Current brake hub casting mould is mostly upper and lower integral type, like the utility model patent of publication number CN202278145U discloses a car brake hub casting sand mould, the utility model patent of publication number CN209647536U discloses a double-deck molding die of brake hub, and above-mentioned two kinds of casting mould equipment all adopt the integral type, reserves the shape space of brake hub inside the mould, the drawing of patterns of being not convenient for after the casting is accomplished, and cooling rate is slower.
Disclosure of Invention
The invention aims to provide a brake hub casting device, which aims to solve the problems that casting mould equipment provided by the background technology is integrated, the shape space of a brake hub is reserved in the mould, demoulding is inconvenient after casting is finished, and the cooling speed is slow.
In order to achieve the purpose, the invention provides the following technical scheme:
a brake hub casting apparatus comprising:
the casting die is arranged on the base;
the casting die comprises three groups of side dies, a bottom plate and an upper cover, wherein the bottom plate is fixedly arranged on a base, the three groups of side dies are uniformly distributed on the base in an annular shape, the outer sides of the three groups of side dies are respectively provided with a push-pull component, the upper cover is arranged at the top ends of the three groups of side dies through a lifting component, an injection pipe is vertically and fixedly arranged in the upper cover, and the top end of the injection pipe is sleeved with a sealing plug;
the three groups of side molds, the bottom plate and the upper cover plate are all smooth surfaces at the mutual contact positions, the middle space among the three is a casting cavity, and the bottom of the injection pipe is communicated with the casting cavity;
a plurality of rotating rods are vertically and rotatably arranged on the bottom plate in a sealing manner, the diameters of the rotating rods are the same as the diameter of the mounting hole of the brake hub, a mounting cavity is formed in the bottom plate, and a driving part for driving the rotating rods to rotate is arranged in the mounting cavity;
the upper cover is internally provided with a cavity, a flow guide pipe is horizontally and fixedly sleeved in the cavity, and the outer end of the flow guide pipe is connected with a pneumatic component.
The side die is separated and folded, preferably, the push-pull component comprises a first electric telescopic cylinder, a sliding block, a guide rail and a clamping block, the upper surface of the base is rotatably provided with a turntable, the guide rail is fixedly arranged on the turntable, the sliding block is slidably arranged on the guide rail, the end part of the sliding block is fixedly connected with the outer side of the side die, the first electric telescopic cylinder is horizontally arranged, one end of the first electric telescopic cylinder is fixedly connected with the end part of the sliding block, which is far away from the side die, and the other end of the first electric telescopic cylinder is fixedly connected with the upper surface of the guide rail through the clamping block.
The side to the casting hub separates, has the effect of polishing simultaneously, and is preferred, fixed mounting has the motor on the base, the motor output shaft passes through shaft coupling fixedly connected with worm, carousel outside fixed mounting has the worm gear rack, the worm gear rack is connected with the worm meshing.
The air tightness of the casting die is detected, preferably, the pneumatic component comprises an air pump, refrigeration equipment, a three-way pipe, two first electromagnetic valves and a second electromagnetic valve, one end of the three-way pipe is fixedly connected with the outer end of the guide pipe, the other two ends of the three-way pipe are respectively connected with the air pump and the refrigeration equipment, the two first electromagnetic valves are respectively and fixedly arranged on a branch path of the three-way pipe, the air pump and the refrigeration equipment, the second electromagnetic valve is fixedly arranged at the end part of the guide pipe, away from the three-way pipe, and the end part of the guide pipe, located in the cavity, is communicated with the injection pipe.
Realize the gaseous entering of cooling, cool off fast, preferably, it is three the cooling bath has all been seted up in the side form mould, upper cover bottom fixed mounting has three drainage tube, and is three the bottom of drainage tube corresponds with three cooling bath respectively, and the top all switches on with the cavity, the pipeline section that the honeycomb duct is located the cavity is equipped with a plurality of shunt tubes.
The refrigerating gas entering is convenient, preferably, a plurality of the rotating rods are all hollow, and the top ends of the rotating rods are communicated with the inside of the cavity.
The invention has the following beneficial effects:
according to the invention, the separable casting die is formed by the side die and the bottom plate, and after casting is finished, the side die can be separated, so that the die is convenient to demould;
the operation of pneumatic part can detect the gas tightness of casting mould, and whether the air volume through the extraction equals with cavity, casting chamber, three cooling bath and the inside effective volume sum of many bull sticks, judges whether the leakproofness of casting mould is good, and when detecting, takes the air out, guarantees the vacuum, and the gaseous injection of cooling of the later stage of being convenient for realizes high-efficient cooling.
Drawings
Fig. 1 is a schematic perspective view of a brake hub casting device according to the present invention;
FIG. 2 is a schematic internal perspective view of a brake hub casting apparatus according to the present invention;
FIG. 3 is a schematic front view of a partial cross-sectional structure of a brake hub casting apparatus according to the present invention;
fig. 4 is a schematic top view of a partial cross-sectional structure of a brake hub casting device according to the present invention.
In the figure: 1. a base; 2. casting a die; 3. a side mold; 4. a base plate; 5. an upper cover; 6. an injection pipe; 7. a sealing plug; 8. a casting cavity; 9. a rotating rod; 10. a placement cavity; 11. a cavity; 12. a flow guide pipe; 13. a motor; 14. a sprocket; 15. a chain; 16. a first electric telescopic cylinder; 17. a slider; 18. a guide rail; 19. a turntable; 20. an electric motor; 21. a coupling; 22. a worm; 23. a worm gear rack; 24. an air pump; 25. a refrigeration device; 26. a three-way pipe; 27. a first solenoid valve; 28. a second solenoid valve; 29. a cooling tank; 30. a drainage tube; 31. a support; 32. a second electric telescopic cylinder; 33. and (4) dividing the tube.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, a brake hub casting apparatus includes: base 1 and casting mould 2, casting mould 2 sets up on base 1, casting mould 2 includes three group's side moulds 3, bottom plate 4 and upper cover 5, bottom plate 4 fixed mounting is on base 1, three group's side moulds 3 are annular evenly distributed on base 1, and the outside all is equipped with the push-and-pull part, upper cover 5 sets up on three group's side moulds 3 tops through elevator unit, and inside perpendicular fixed mounting has injection pipe 6, elevator unit includes support 31 and second electric telescopic cylinder 32, the perpendicular fixed mounting of support 31 is on base 1 upper surface, the perpendicular setting of second electric telescopic cylinder 32, and both ends respectively with upper cover 5 and support 31 fixed connection, sealing plug 7 has been cup jointed on injection pipe 6 top, three group's side moulds 3, the place of mutual contact is the smooth surface between bottom plate 4 and the upper cover plate 5, and the space at the middle part is casting chamber 8 between the three, injection pipe 6 bottom switches on with casting chamber 8, many bull stick 9 is installed to perpendicular sealed rotation on bottom plate 4, the diameter of many bull sticks 9 is the same with the mounting hole diameter of hub, bottom has settled chamber 10, it settles 10 to settle the intracavity 10 and is equipped with motor drive motor shaft 13 and has more motor 13 to settle many bull stick 13, many rotating sprocket 13 are all installed to pass through many fixed sprocket 13 and many more fixed sprocket 13, many more fixed sprocket wheels of motor drive chain wheels of settling in the chain wheels of fixing and many bull stick 13, 14.
A cavity 11 is formed in the upper cover 5, a flow guide pipe 12 is horizontally and fixedly sleeved in the cavity 11, and the outer end of the flow guide pipe 12 is connected with a pneumatic component.
The push-pull component comprises a first electric telescopic cylinder 16, a sliding block 17, a guide rail 18 and a clamping block, a rotary table 19 is rotatably mounted on the upper surface of the base 1, the guide rail 18 is fixedly mounted on the rotary table 19, the sliding block 17 is slidably mounted on the guide rail 18, the end part of the sliding block is fixedly connected with the outer side of the side mold 3, the first electric telescopic cylinder 16 is horizontally arranged, one end of the first electric telescopic cylinder is fixedly connected with the end part of the sliding block 17 far away from the side mold 3, and the other end of the first electric telescopic cylinder is fixedly connected with the upper surface of the guide rail 18 through the clamping block.
The base 1 is fixedly provided with a motor 20, an output shaft of the motor 20 is fixedly connected with a worm 22 through a coupling 21, the outer side of the turntable 19 is fixedly provided with a worm gear rack 23, and the worm gear rack 23 is meshed with the worm 22.
When the brake hub is cast, the equipment is started, the first electric telescopic cylinder 16 extends to enable the three side molds 3 to be folded towards the bottom plate 4 at the same time, the second electric telescopic cylinder 32 extends to drive the upper cover 5 to move downwards to be in contact with the top ends of the three side molds 3 to form a casting cavity 8, at the moment, the injection pipe 6 is sealed by the sealing plug 7, the sealing performance of the casting cavity 8 can be checked through a pneumatic component to ensure that the casting mold 2 has reliable sealing performance, after the detection, the sealing plug 7 is opened to fill casting liquid into the casting cavity 8 through the injection pipe 6, the belt is cooled and solidified to form the brake hub, the motor 13 can be started to rotate slowly in the casting process, the motor 13 drives the rotating rods 9 to rotate slowly through the chain 15 and the chain wheel 14, the rotating rods 9 are prevented from being bonded with the brake hub while forming the mounting holes of the brake hub, the mold is convenient to demold at the later stage, after the mold is cooled in place, the mold is demolded, the motor 20 is started, the motor 20 drives the worm 22 to rotate in a reciprocating mode through the coupler 21, the worm 22 drives the rotary table 19 to rotate through the worm gear rack 23, the rotary table 19 drives the three side molds 3 to rotate in a reciprocating mode through the push-pull component, the three side molds 3 are prevented from being bonded with the brake hub, meanwhile, the outer side of the brake hub can be polished, casting quality is improved, then the first electric telescopic cylinder 16 and the second electric telescopic cylinder 32 are started, the upper cover 5 moves upwards, the three side molds 3 are separated at the same time, the cast brake hub is exposed on the bottom plate 4, the brake hub can be taken down from the plurality of rotating rods 9, demolding can be completed, the side molds 3 and the bottom plate 4 form the separable casting mold 2, and after casting is completed, the side molds 3 can be separated, and demolding is convenient.
The pneumatic component comprises an air pump 24, a refrigerating device 25, a three-way pipe 26, two first electromagnetic valves 27 and a second electromagnetic valve 28, one end of the three-way pipe 26 is fixedly connected with the outer end of the draft tube 12, the other two ends of the three-way pipe are respectively connected with the air pump 24 and the refrigerating device 25, the two first electromagnetic valves 27 are respectively and fixedly arranged on a branch path of the three-way pipe 26 connected with the air pump 24 and the refrigerating device 25, the second electromagnetic valve 28 is fixedly installed at the end part of the draft tube 12 far away from the three-way pipe 26, and the end part of the draft tube 12 located in the cavity 11 is communicated with the injection tube 6.
All seted up cooling bath 29 in the three side mould 3, upper cover 5 bottom fixed mounting has three drainage tube 30, and the bottom of three drainage tube 30 corresponds with three cooling bath 29 respectively, and the top all switches on with cavity 11, and the pipeline section that honeycomb duct 12 is located cavity 11 is equipped with a plurality of shunt tubes 33.
The inside all cavity of many bull sticks 9, and the top all switches on with cavity 11 is inside.
When the tightness of the casting cavity 8 is detected, the first electromagnetic valve 27 located on the branch of the refrigeration equipment 25 is closed, the first electromagnetic valve 27 and the second electromagnetic valve 28 located on the branch of the air pump 24 are opened, the injection pipe 6 is closed by the sealing plug 7, the air pump 24 works to extract air, the air in the casting cavity 8 flows to the draft tube 12 through the bottom end of the injection pipe 6, the air in the cooling tank 29 enters the cavity 11 through the drainage tube 30, the air in the cavity 11 enters the draft tube 12 through the shunt pipe 33, the air in the middle of the rotating rods 9 enters the cavity 11 and is finally extracted by the air pump 24 through the three-way pipe 26, whether the volume of the extracted air is equal to the total effective volume inside the cavity 11, the casting cavity 8, the three cooling tanks 29 and the rotating rods 9 or not is judged, if the tightness is good, casting can be performed, otherwise, the mold needs to be replaced, and the second electromagnetic valve 28 needs to be closed during casting.
After the casting liquid is injected and finished, when cooling is needed, the second electromagnetic valve 28 and the first electromagnetic valve 27 on the branch of the air pump 24 are closed, the first electromagnetic valve 27 on the branch of the refrigeration equipment 25 is opened, then the refrigeration equipment 25 is started, cold air is injected into the cavity 11 through the three-way pipe 26 and the guide pipe 12, the cold air enters the cooling groove 29 through the drainage pipe 30, so that the cavity 11, the cooling groove 29 and the multiple rotating rods 9 are filled with cooling gas, the casting hub is cooled, meanwhile, when detection is carried out, air is pumped out, vacuum is guaranteed, injection of the cooling gas in the later stage is facilitated, and efficient cooling is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A brake hub casting apparatus comprising:
the casting die comprises a base (1) and a casting die (2), wherein the casting die (2) is arranged on the base (1);
the method is characterized in that: the casting die (2) comprises three groups of side dies (3), a bottom plate (4) and an upper cover (5), the bottom plate (4) is fixedly installed on a base (1), the three groups of side dies (3) are uniformly distributed on the base (1) in an annular mode, push-pull components are arranged on the outer sides of the three groups of side dies, the upper cover (5) is arranged at the top ends of the three groups of side dies (3) through lifting components, an injection pipe (6) is vertically and fixedly installed in the upper cover, and the top end of the injection pipe (6) is sleeved with a sealing plug (7);
the three groups of side molds (3), the bottom plate (4) and the upper cover plate (5) are all smooth surfaces at the mutual contact positions, the middle space among the three is a casting cavity (8), and the bottom of the injection pipe (6) is communicated with the casting cavity (8);
a plurality of rotating rods (9) are vertically and hermetically and rotatably mounted on the bottom plate (4), the diameters of the rotating rods (9) are the same as the diameter of a mounting hole of the brake hub, a mounting cavity (10) is formed in the bottom plate (4), and a driving part for driving the rotating rods (9) to rotate is arranged in the mounting cavity (10);
the pneumatic sealing device is characterized in that a cavity (11) is formed in the upper cover (5), a guide pipe (12) is horizontally and fixedly sleeved in the cavity (11), and the outer end of the guide pipe (12) is connected with a pneumatic component.
2. A brake hub casting apparatus as claimed in claim 1, wherein: the push-pull component comprises a first electric telescopic cylinder (16), a sliding block (17), a guide rail (18) and a clamping block, a turntable (19) is rotatably mounted on the upper surface of the base (1), the guide rail (18) is fixedly mounted on the turntable (19), the sliding block (17) is slidably mounted on the guide rail (18), the end part of the sliding block is fixedly connected with the outer side of the side mold (3), the first electric telescopic cylinder (16) is horizontally arranged, one end of the sliding block (17) is fixedly connected with the end part of the sliding block (17) far away from the side mold (3), and the other end of the sliding block is fixedly connected with the upper surface of the guide rail (18).
3. A brake hub casting apparatus as claimed in claim 2, wherein: the base (1) is provided with a motor (20), an output shaft of the motor (20) is fixedly connected with a worm (22) through a coupler (21), a worm gear rack (23) is fixedly mounted on the outer side of the turntable (19), and the worm gear rack (23) is meshed with the worm (22) and connected with the worm.
4. A brake hub casting apparatus as claimed in claim 1, wherein: the pneumatic component comprises an air pump (24), refrigeration equipment (25), a three-way pipe (26), two first electromagnetic valves (27) and a second electromagnetic valve (28), one end of the three-way pipe (26) is fixedly connected with the outer end of the guide pipe (12), the other two ends of the three-way pipe are respectively connected with the air pump (24) and the refrigeration equipment (25), the two first electromagnetic valves (27) are respectively and fixedly arranged on a branch path of the three-way pipe (26) connected with the air pump (24) and the refrigeration equipment (25), the second electromagnetic valve (28) is fixedly arranged at the end part of the guide pipe (12) far away from the three-way pipe (26), and the end part of the guide pipe (12) located in the cavity (11) is communicated with the injection pipe (6).
5. A brake hub casting apparatus as claimed in claim 1, wherein: three cooling bath (29) have all been seted up in side mould (3), upper cover (5) bottom fixed mounting has three drainage tube (30), and is three the bottom of drainage tube (30) corresponds with three cooling bath (29) respectively, and the top all switches on with cavity (11), the pipeline section that honeycomb duct (12) are located cavity (11) is equipped with a plurality of shunt tubes (33).
6. A brake hub casting apparatus as claimed in claim 1, wherein: the rotating rods (9) are all hollow, and the top ends of the rotating rods are communicated with the inside of the cavity (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310051052.0A CN115805293B (en) | 2023-02-02 | 2023-02-02 | Brake hub casting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310051052.0A CN115805293B (en) | 2023-02-02 | 2023-02-02 | Brake hub casting device |
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| Publication Number | Publication Date |
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| CN115805293A true CN115805293A (en) | 2023-03-17 |
| CN115805293B CN115805293B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310051052.0A Active CN115805293B (en) | 2023-02-02 | 2023-02-02 | Brake hub casting device |
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| CN (1) | CN115805293B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999000204A1 (en) * | 1997-06-27 | 1999-01-07 | Garth Lawrence | Method and apparatus for making brake drum |
| JP2007175737A (en) * | 2005-12-28 | 2007-07-12 | Toyota Motor Corp | Casting device, casting method, and device and method for measuring pressure in cavity of casting machine |
| CN101318212A (en) * | 2008-07-08 | 2008-12-10 | 佛山市南海奔达模具有限公司 | Side mould structure of gravity casting hub |
| CN201179547Y (en) * | 2008-03-31 | 2009-01-14 | 申明堂 | Novel cast apparatus for brake drum |
| CN201183108Y (en) * | 2008-02-18 | 2009-01-21 | 无锡刚正精密吸铸有限公司 | Vacuum pressure suction casting apparatus |
| CN209902238U (en) * | 2019-05-16 | 2020-01-07 | 龙口市和义机械配件有限公司 | Special machine tool for processing brake hub |
| CN210754992U (en) * | 2019-07-29 | 2020-06-16 | 禹州市红利铸造材料有限公司 | Flange casting mould |
| CN210996422U (en) * | 2019-12-02 | 2020-07-14 | 公主岭市玛钢有限责任公司 | Demoulding device for casting brake drum |
| CN214684165U (en) * | 2021-04-28 | 2021-11-12 | 龙口市胶东机械配件有限公司 | Single-layer casting mold for trailer brake drum |
| CN114247864A (en) * | 2022-03-01 | 2022-03-29 | 山西汤荣机械制造股份有限公司 | High-strength high-heat-conductivity composite brake drum sand mold shell, shell mold and shell product |
| CN216226878U (en) * | 2021-11-23 | 2022-04-08 | 中天(天津)智能装备制造有限公司 | Automatic positioning device after casting demoulding |
| CN114918403A (en) * | 2022-04-26 | 2022-08-19 | 上海交通大学 | Thermal control device and method for pressure-regulating precision casting and casting device |
-
2023
- 2023-02-02 CN CN202310051052.0A patent/CN115805293B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999000204A1 (en) * | 1997-06-27 | 1999-01-07 | Garth Lawrence | Method and apparatus for making brake drum |
| JP2007175737A (en) * | 2005-12-28 | 2007-07-12 | Toyota Motor Corp | Casting device, casting method, and device and method for measuring pressure in cavity of casting machine |
| CN201183108Y (en) * | 2008-02-18 | 2009-01-21 | 无锡刚正精密吸铸有限公司 | Vacuum pressure suction casting apparatus |
| CN201179547Y (en) * | 2008-03-31 | 2009-01-14 | 申明堂 | Novel cast apparatus for brake drum |
| CN101318212A (en) * | 2008-07-08 | 2008-12-10 | 佛山市南海奔达模具有限公司 | Side mould structure of gravity casting hub |
| CN209902238U (en) * | 2019-05-16 | 2020-01-07 | 龙口市和义机械配件有限公司 | Special machine tool for processing brake hub |
| CN210754992U (en) * | 2019-07-29 | 2020-06-16 | 禹州市红利铸造材料有限公司 | Flange casting mould |
| CN210996422U (en) * | 2019-12-02 | 2020-07-14 | 公主岭市玛钢有限责任公司 | Demoulding device for casting brake drum |
| CN214684165U (en) * | 2021-04-28 | 2021-11-12 | 龙口市胶东机械配件有限公司 | Single-layer casting mold for trailer brake drum |
| CN216226878U (en) * | 2021-11-23 | 2022-04-08 | 中天(天津)智能装备制造有限公司 | Automatic positioning device after casting demoulding |
| CN114247864A (en) * | 2022-03-01 | 2022-03-29 | 山西汤荣机械制造股份有限公司 | High-strength high-heat-conductivity composite brake drum sand mold shell, shell mold and shell product |
| CN114918403A (en) * | 2022-04-26 | 2022-08-19 | 上海交通大学 | Thermal control device and method for pressure-regulating precision casting and casting device |
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