CN115846630B - Ductile cast iron casting device - Google Patents
Ductile cast iron casting device Download PDFInfo
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- CN115846630B CN115846630B CN202310134394.9A CN202310134394A CN115846630B CN 115846630 B CN115846630 B CN 115846630B CN 202310134394 A CN202310134394 A CN 202310134394A CN 115846630 B CN115846630 B CN 115846630B
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Abstract
The invention relates to the field of metal casting, and particularly discloses a ductile iron casting processing device which comprises a casting material passage and a cast iron forming module, wherein the cast iron forming module is fixedly connected to a discharge end of the casting material passage, a forming matching module is detachably connected inside the cast iron forming module, and a casting forming die cavity for ductile iron forming is arranged between the cast iron forming module and the forming matching module.
Description
Technical Field
The invention relates to the field of metal casting, in particular to a ductile cast iron casting processing device.
Background
The ductile iron can be used for manufacturing parts with larger load and more complicated stress, the ductile iron can be subjected to heat treatment of the casting after being cast and molded, the structure and the property of the cast iron can be changed or influenced by the heat treatment, the stress of the casting is eliminated, the casting with higher strength and hardness is obtained, the heat treatment process of the ductile iron needs to be put into molten salt at 930 ℃ for at least 3 hours, then the molten salt is put into the molten salt again for at least 3 hours, the casting is directly molded in a casting mold, the casting is taken out for heating after being molded and cooled and unpacked, then the molten salt is put into the molten salt for heat preservation, the operation convenience is insufficient, the casting mold is only used for carrying out casting molding operation of the ductile iron casting, operators cannot flexibly and safely carry out the molten salt input and heat preservation operation after the casting heating operation through the casting mold, the molten salt is directly put into the casting mold and molded casting to cover the molten salt, and the hollow space inside the molten salt region of the casting mold cannot effectively cover different regions of the ductile iron casting, and the thickness of the casting mold can influence the molten salt on the casting mold for heat preservation operation of the casting, so that the heat preservation effect of the ductile iron casting and the heat preservation effect of the casting cannot reach ideal quality of the ductile iron casting can not be achieved.
Disclosure of Invention
The invention aims to provide a ductile cast iron casting processing device which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the ductile iron casting processing device comprises a casting material passage and a cast iron forming module, wherein the cast iron forming module is fixedly connected to the discharge end of the casting material passage, a forming matching module is detachably connected inside the cast iron forming module, a casting forming die cavity for forming ductile iron is arranged between the cast iron forming module and the forming matching module, a feeding module is fixedly connected to the open end of the top of the forming matching module, and the feeding module is communicated with the cast iron forming module and the forming matching module; the cast iron forming module comprises a first casting forming die holder, a second casting forming die holder, two supporting bases and two casting inner die holders, wherein the two supporting bases are respectively and fixedly connected to the bottom of the first casting forming die holder and the bottom of the second casting forming die holder, and the two casting inner die holders are symmetrically and fixedly connected to the top of the supporting bases; the molding matching module comprises an outer profiling seat, an inner profiling seat, a profiling top shell and a profiling inner shell, wherein the inner profiling seat is in threaded connection with the inner part of the outer profiling seat, the outer profiling seat is in threaded connection with the inner part of the supporting base, and the profiling inner shell is in threaded connection with the top end of the inner profiling seat; the casting molding die cavity is formed between the inner side wall of the casting inner die holder and the outer side wall of the outer profiling seat, the casting outer molten salt cavity is formed between the outer side walls of the casting inner die holder and the inner side wall of the first casting molding die holder, and the casting inner molten salt cavity is formed between the inner side wall of the outer profiling seat and the outer side wall of the inner profiling seat.
Further: the first casting molding die holder is fixedly connected with the casting material passage, the second casting molding die holder is detachably connected to the other side of the first casting molding die holder, and the two casting inner die holders are respectively positioned at the inner side of the first casting molding die holder and the inner side of the second casting molding die holder.
Further: the feeding module comprises a feeding frame and a feeding pipe, the feeding pipe is fixedly connected to the bottom of the feeding frame, the discharging end of the feeding frame is fixedly connected to the top end of the profiling top shell, the discharging end of the feeding pipe is connected to the top of the first casting molding die holder in a clamping mode, and the discharging end of the feeding pipe is communicated with the molten salt cavity on the outer side of the casting.
Further: the top of first foundry goods shaping die holder with the top of second foundry goods shaping die holder is all fixedly connected with top connecting block, top connecting block is located the top of foundry goods die holder, the top of foundry goods die holder with the bottom fixed connection of top connecting block.
Further: the top end of the profiling top shell is fixedly connected with a fixing plate, the top end of the profiling inner shell is fixedly connected with a guide bucket, and the top end of the guide bucket is fixedly connected with the bottom of the fixing plate.
Further: the profile modeling top shell lateral wall fixedly connected with shutoff dish, the external diameter of shutoff dish is the same with the internal diameter of foundry goods inner die base, shutoff dish follow the top of foundry goods shaping die cavity shutoff foundry goods shaping die cavity.
Further: the inner side wall of the profiling inner shell is fixedly connected with an external thread combination cylinder, the external thread combination cylinder is in threaded connection with the inner side wall of the inner profiling seat, the bottom end of the profiling inner shell is tightly attached to the top end of the inner profiling seat, and the bottom end of the profiling top shell is tightly attached to the top end of the outer profiling seat.
Further: the top of the profiling inner shell is flush with the top of the first casting molding die holder, and the bottom of the plugging disc is flush with the top of the first casting molding die holder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the processing mould of the nodular cast iron casting consisting of the cast iron forming module and the forming matching module is arranged, the casting forming mould cavity formed among the casting inner mould base, the outer profiling seat and the profiling top shell is used for casting and forming the casting, the formed casting can be directly cooled and reheated in the processing mould, after the casting is heated to the required temperature of heat treatment, a casting outer molten salt cavity is directly formed among the two casting inner mould bases, the inner side wall of the first casting forming mould base and the inner side wall of the second casting forming mould base, and the inner molten salt cavity of the casting inner side is formed among the inner side wall of the outer profiling seat and the outer side wall of the inner profiling seat, molten salt is thrown into the casting inner molten salt cavity, and the molten salt is scattered into and fills the casting outer molten salt cavity and the casting inner molten salt cavity, so that the effect of effectively covering different areas of the casting is achieved, meanwhile, the influence of the thickness of the processing mould on the casting heat preservation effect caused by molten salt can be reduced, operators do not need to take out the casting to heat, then the casting is buried into the molten salt after the casting is heated, and the casting is flexibly and safely completed.
2. According to the invention, the first casting molding die holder and the second casting molding die holder are fastened together through the threaded fixing piece, the profiling inner shell and the profiling top shell are connected above the outer profiling seat and the inner profiling seat in a threaded mode, the inner profiling seat is connected inside the outer profiling seat in a threaded mode, and the outer profiling seat is connected inside the two support bases fastened together in a threaded mode, so that the effect of flexibly combining the cast iron molding module and the molding matching module by an operator is achieved, the casting processing of the ductile cast iron casting can be safely and effectively carried out by the operator, and the operator can smoothly take out the processed casting.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments, the drawings in the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a ductile iron casting apparatus;
FIG. 2 is a schematic top view of a ductile iron casting apparatus;
FIG. 3 is a schematic cross-sectional view of a ductile iron casting apparatus;
FIG. 4 is a schematic view of a cast iron forming module in a ductile iron casting apparatus;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
in the figure: 1. a casting material passage; 2. a cast iron forming module; 201. a molten salt cavity on the outer side of the casting; 21. a first casting forming die holder; 22. the second casting molding die holder; 23. a support base; 24. casting inner die holder; 25. a top connection block; 3. forming a matching module; 301. a molten salt cavity on the inner side of the casting; 31. an outer profiling seat; 32. an inner profiling seat; 33. profiling top shell; 331. a plugging disc; 34. profiling inner shell; 341. a guide hopper; 342. an external thread combined cylinder; 35. a fixing plate; 4. a casting molding cavity; 5. a feeding module; 51. a feeding frame; 52. and a material pipe.
Description of the embodiments
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The specific mechanical structure of the present invention will be clearly shown in the following detailed description of the structure with reference to fig. 1 to 5, and the structural contents mentioned in the following embodiments are all referred to in the specification and drawings.
Referring to fig. 1 to 5, in an embodiment of the present invention, a spheroidal graphite cast iron casting processing device comprises a casting material passage 1 and a cast iron forming module 2, wherein the cast iron forming module 2 is fixedly connected to a discharge end of the casting material passage 1, a forming matching module 3 is detachably connected inside the cast iron forming module 2, a casting forming mold cavity 4 for spheroidal graphite cast iron forming is arranged between the cast iron forming module 2 and the forming matching module 3, a feeding module 5 is fixedly connected to an open top end of the forming matching module 3, the feeding module 5 is communicated with the cast iron forming module 2 and the forming matching module 3, the cast iron forming module 2 comprises a first casting forming mold base 21, a second casting forming mold base 22, two supporting bases 23 and two casting inner mold bases 24, the two support bases 23 are respectively and fixedly connected to the bottom of the first casting forming die holder 21 and the bottom of the second casting forming die holder 22, the two casting inner die holders 24 are symmetrically and fixedly connected to the top of the support base 23, the forming matching module 3 comprises an outer forming die holder 31, an inner forming die holder 32, a forming top shell 33 and a forming inner shell 34, the inner forming die holder 32 is in the outer forming die holder 31 in a screwed mode, the outer forming die holder 31 is in the support base 23 in a screwed mode, the forming inner shell 34 is in the top end of the inner forming die holder 32, a casting forming die cavity 4 is formed between the inner side wall of the casting inner die holder 24 and the outer side wall of the outer forming die holder 31, a casting outer side molten salt cavity 201 is formed between the outer side wall of the two casting inner die holders 24 and the inner side wall of the first casting forming die holder 21, and a casting inner side molten salt cavity 301 is formed between the inner side wall of the outer forming die holder 31 and the outer side wall of the inner forming die holder 32.
The cast iron forming module 2 and the forming matching module 3 which are detachably connected inside are matched to form a processing mould of the ductile cast iron casting, the cast iron forming module 2 is used for carrying out the forming operation of the ductile cast iron casting, the cast iron forming module 2 is connected with the casting material passage 1, the cast iron forming module 2 is fixedly connected with the discharge end of the casting material passage 1, the casting material passage 1 is used for introducing casting material into the cast iron forming module 2, the operation convenience is high, the top parts of the first casting forming die holder 21 and the second casting forming die holder 22 are fixedly connected with the top connecting block 25, the top connecting block 25 is positioned above the casting inner die holder 24, the top end of the casting inner die holder 24 is fixedly connected with the bottom of the top connecting block 25, the stability of the casting inner die holder 24 connected with the top of the supporting base 23 and the stability of the cast iron forming module 2 when in integral use can be improved, the second casting forming die holder 22 is detachably connected with the other side of the first casting forming die holder 21, the second casting molding die holder 22 can be fastened with the first casting molding die holder 21 through a thread fixing piece, the effect of flexibly and rapidly combining cast iron molding modules 2 by operators is achieved, the inner side wall of the profiling inner shell 34 is fixedly connected with an external thread combined cylinder 342, the inner side wall of the inner profiling base 32 is provided with a thread connecting part matched with the external thread combined cylinder 342, the external thread combined cylinder 342 is in thread connection with the inner side wall of the inner profiling base 32, the bottom end of the profiling inner shell 34 is tightly attached to the top end of the inner profiling base 32, the profiling top shell 33 is fixedly connected with the outer side of the profiling inner shell 34, the bottom end of the profiling top shell 33 is tightly attached to the top end of the outer profiling base 31, the top end of the profiling top shell 33 is fixedly connected with a fixing plate 35, the top end of the profiling inner shell 34 is fixedly connected with a guide bucket 341, the top end of the guide bucket 341 is fixedly connected with the bottom of the fixing plate 35, the stable connection combination of the profiling top shell 33, the profiling inner shell 34, the inner profiling seat 32 and the outer profiling seat 31 is convenient for operators, the inner profiling seat 32 is connected inside the outer profiling seat 31 in a threaded manner, the outer profiling seat 31 is connected inside the supporting base 23 in a threaded manner, the operators can firstly combine the outer profiling seat 31 and the inner profiling seat 32 on the cast iron forming module 2 and then carry out the connection combination operation of the profiling top shell 33 and the profiling inner shell 34, the effect of flexibly and quickly combining the forming matching module 3 and the cast iron forming module 2 by the operators is achieved, a casting forming die cavity 4 is arranged between the cast iron forming module 2 and the forming matching module 3, the casting forming die cavity 4 is used for carrying out the casting forming of a ductile cast iron casting, a casting forming die cavity 4 is formed between the inner side wall of the casting inner die seat 24 and the outer side wall of the outer profiling seat 31, after the first casting molding die holder 21 and the second casting molding die holder 22 are combined, the corresponding side edges of the two casting inner die holders 24 are tightly attached together, the bottom end of the profiling top shell 33 is tightly attached to the top end of the outer profiling die holder 31, so that a complete casting molding die cavity 4 is formed between the cast iron molding die 2 and the profiling matching die 3, a casting material is introduced into the casting molding die cavity 4 by the casting material passage 1, the casting molding of the ductile cast iron casting can be realized through the casting molding die cavity 4 formed between the casting inner die holder 24, the outer profiling die holder 31 and the profiling top shell 33, the convenience of operation is high, the combined-structure casting molding die 2 and the profiling matching die 3 are matched to form a processing die capable of processing the ductile cast iron casting, the casting molding die cavity 4 formed among the casting inner die holder 24, the outer profiling die holder 31 and the profiling top shell 33 is used for casting molding the ductile cast iron casting, the formed casting can be directly cooled and reheated in the processing mold so that operators can perform subsequent heat treatment on the ductile cast iron casting.
A casting outside molten salt cavity 201 is formed between the outer side walls of the two casting inner die holders 24 and the inner side walls of the first casting forming die holder 21 and the second casting forming die holder 22, a casting inside molten salt cavity 301 is formed between the inner side walls of the outer profiling seat 31 and the outer side walls of the inner profiling seat 32, heat-preserving molten salt can be put into the casting outside molten salt cavity 201 and the casting inside molten salt cavity 301, a feeding module 5 is fixedly connected to the top of the forming matching module 3, the feeding module 5 comprises a feeding frame 51 and a material pipe 52, the material pipe 52 is fixedly connected to the bottom of the feeding frame 51, the discharge end of the feeding frame 51 is fixedly connected to the top of the profiling top shell 33, the discharge end of the material pipe 52 is connected to the top of the first casting forming die holder 21 in a clamping manner, stable connection combination of the feeding module 5 and the forming matching module 3 is realized, the material pipe 52 and the first casting molding die holder 21 adopt a detachable connection mode, the connection combination operation of the profiling top shell 33, the profiling inner shell 34, the outer profiling seat 31 and the inner profiling seat 32 on the inner side of the casting inner die holder 24 is not hindered, the discharge end of the material pipe 52 is communicated with the casting outer molten salt cavity 201, the guide hopper 341 can play a role in guiding molten salt falling from the discharge end of the material feeding frame 51 to smoothly enter the casting inner molten salt cavity 301, the feeding operation of the molten salt into the casting outer molten salt cavity 201 and the casting inner molten salt cavity 301 can be carried out through the matching of the material feeding frame 51 and the material pipe 52, the operation is simple, the feeding module 5 is communicated with the cast iron molding module 2 and the molding matching module 3 to achieve the effect of being convenient for feeding the molten salt into the cast iron molding module 2 and the molding matching module 3, after the ductile iron casting is heated to the required temperature of heat treatment, the molten salt is directly thrown into the casting outside molten salt cavity 201 formed between the two casting inner die holders 24 and the inner side walls of the first casting forming die holder 21 and the inner side walls of the second casting forming die holder 22 and the casting inside molten salt cavity 301 formed between the inner side walls of the outer profiling seat 31 and the outer side walls of the inner profiling seat 32, so that the molten salt is scattered into the casting outside molten salt cavity 201 and the casting inside molten salt cavity 301 and fills the casting outside molten salt cavity 201 and the casting inside molten salt cavity 301, the effect of effectively covering different areas of the spheroidal graphite cast iron casting by the molten salt is achieved, meanwhile, the influence of the thickness of the processing die on the heat preservation effect of the casting by the molten salt can be reduced, operators do not need to take out the spheroidal graphite cast iron casting integrally from the heating processing die and then carry out embedding operation of the casting into the molten salt.
The first casting molding die holder 21 and the second casting molding die holder 22 are fastened together through the threaded fixing piece, the profiling inner shell 34 and the profiling top shell 33 are connected above the outer profiling base 31 and the inner profiling base 32 in a threaded mode, the inner profiling base 32 is connected inside the outer profiling base 31 in a threaded mode, the outer profiling base 31 is connected inside the two support bases 23 fastened together in a threaded mode, the effect of flexibly combining the cast iron molding module 2 and the molding matching module 3 by an operator is achieved, so that the operator can safely and effectively perform casting processing of the ductile cast iron castings, meanwhile, the operator can smoothly perform the processing, the outer side wall of the profiling top shell 33 is fixedly connected with the plugging disc 331, the outer diameter of the plugging disc 331 is identical to the inner diameter of the casting inner die holder 24, the bottom of the plugging disc 331 is flush with the top of the first casting molding die holder 21, therefore, the plugging disc 331 connected to the outer side wall of the molten salt top shell 33 above the inner profiling base 32 is positioned at the position of the top open end of the casting molding die cavity 4, the casting 4 can be safely and effectively cast in the top end of the casting cavity 4 can be kept flush with the top end of the casting cavity 301 of the casting 4, and the top end of the ductile cast iron casting 4 can be molded at the top end of the die cavity 301 is kept flush with the top of the inner shell of the casting die holder 21.
The working principle of the invention is as follows: the operator firstly combines the outer profiling seat 31 and the inner profiling seat 32 onto the cast iron forming module 2, then connects the profiling top shell 33 and the profiling inner shell 34 above the inner profiling seat 32, combines the forming matching module 3 and the cast iron forming module 2, the casting material channel 1 introduces casting material into the casting forming die cavity 4, the ductile iron casting is cast and formed in the casting forming die cavity 4 formed among the casting inner die holder 24, the outer profiling seat 31 and the profiling top shell 33, the formed casting is directly cooled and reheated in the processing die, after the ductile iron casting is heated to the required temperature of heat treatment, molten salt is directly input into the feeding frame 51, and the molten salt is scattered into the molten salt cavity 201 outside the casting and the molten salt cavity 301 inside the casting, so that the molten salt fills the molten salt cavity 201 outside the casting and the molten salt cavity 301 inside the casting, and the molten salt cavity 301 inside the molten salt covers different areas of the ductile iron casting, and the heat treatment of the ductile iron casting is carried out.
The foregoing has shown and described the basic principles and main features of the present invention and the 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 that the above embodiments and descriptions are merely 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 is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a nodular cast iron casting processingequipment, includes casting material passageway (1) and cast iron shaping module (2), cast iron shaping module (2) fixed connection is in the discharge end of casting material passageway (1), its characterized in that, cast iron shaping module (2) inside is detachably connected with shaping cooperation module (3), cast iron shaping module (2) with have between shaping cooperation module (3) be used for nodular cast iron fashioned foundry mold cavity (4), the top open end fixedly connected with of shaping cooperation module (3) is thrown material module (5), throw material module (5) intercommunication cast iron shaping module (2) with shaping cooperation module (3);
the cast iron forming module (2) comprises a first casting forming die holder (21), a second casting forming die holder (22), two supporting bases (23) and two casting inner die holders (24), wherein the two supporting bases (23) are respectively and fixedly connected to the bottoms of the first casting forming die holder (21) and the second casting forming die holder (22), and the two casting inner die holders (24) are symmetrically and fixedly connected to the tops of the supporting bases (23);
the molding matching module (3) comprises an outer profiling seat (31), an inner profiling seat (32), a profiling top shell (33) and a profiling inner shell (34), wherein the inner profiling seat (32) is in threaded connection with the inside of the outer profiling seat (31), the outer profiling seat (31) is in threaded connection with the inside of the supporting base (23), the profiling inner shell (34) is in threaded connection with the top end of the inner profiling seat (32), and the bottom end of the profiling top shell (33) is tightly attached to the top end of the outer profiling seat (31);
the casting forming die cavity (4) is formed between the inner side wall of the casting inner die holder (24) and the outer side wall of the outer profiling base (31), the casting outer molten salt cavity (201) is formed between the outer side walls of the casting inner die holder (24) and the inner side walls of the first casting forming die holder (21), and the casting inner molten salt cavity (301) is formed between the inner side walls of the outer profiling base (31) and the outer side walls of the inner profiling base (32).
2. The ductile iron casting processing device according to claim 1, characterized in that the first casting forming die holder (21) is fixedly connected with the casting material passage (1), the second casting forming die holder (22) is detachably connected to the other side of the first casting forming die holder (21), and two casting inner die holders (24) are respectively positioned at the inner sides of the first casting forming die holder (21) and the second casting forming die holder (22).
3. The ductile iron casting processing device according to claim 1, wherein the feeding module (5) comprises a feeding frame (51) and a material pipe (52), the material pipe (52) is fixedly connected to the bottom of the feeding frame (51), the discharging end of the feeding frame (51) is fixedly connected to the top end of the profiling top shell (33), the discharging end of the material pipe (52) is connected to the top of the first casting molding die holder (21) in a clamping manner, and the discharging end of the material pipe (52) is communicated with the outside molten salt cavity (201) of the casting.
4. The ductile iron casting processing device according to claim 1, characterized in that the top of the first casting molding die holder (21) and the top of the second casting molding die holder (22) are fixedly connected with a top connecting block (25), the top connecting block (25) is positioned above the casting inner die holder (24), and the top end of the casting inner die holder (24) is fixedly connected with the bottom of the top connecting block (25).
5. The ductile iron casting processing device according to claim 1, characterized in that a fixing plate (35) is fixedly connected to the top end of the profiling top shell (33), a guiding hopper (341) is fixedly connected to the top end of the profiling inner shell (34), and the top end of the guiding hopper (341) is fixedly connected to the bottom of the fixing plate (35).
6. The ductile iron casting processing device according to claim 1, characterized in that a plugging disc (331) is fixedly connected to the outer side wall of the profiling top shell (33), the outer diameter of the plugging disc (331) is the same as the inner diameter of the casting inner die holder (24), and the plugging disc (331) plugs the casting forming die cavity (4) from the upper part of the casting forming die cavity (4).
7. The ductile iron casting processing device according to claim 6, characterized in that an external thread combination cylinder (342) is fixedly connected to the inner side wall of the profiling inner shell (34), the external thread combination cylinder (342) is in threaded connection with the inner side wall of the inner profiling seat (32), and the bottom end of the profiling inner shell (34) is tightly attached to the top end of the inner profiling seat (32); the top end of the profiling inner shell (34) is flush with the top of the first casting molding die holder (21), and the bottom of the plugging disc (331) is flush with the top of the first casting molding die holder (21).
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| CN116079007B (en) * | 2023-04-07 | 2023-06-09 | 蓬莱金创精密铸造有限公司 | Casting die for automobile exhaust connector and manufacturing process |
| CN116174660B (en) * | 2023-04-25 | 2023-06-30 | 蓬莱三和铸造有限公司 | High-precision casting device for balance shaft of mine car |
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| DE102018113057A1 (en) * | 2017-06-02 | 2018-12-06 | GM Global Technology Operations LLC | TOOL AND METHOD FOR DIRECT SQUEEZE CASTING |
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