CN115846630A - Nodular cast iron casting processingequipment - Google Patents
Nodular cast iron casting processingequipment Download PDFInfo
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- CN115846630A CN115846630A CN202310134394.9A CN202310134394A CN115846630A CN 115846630 A CN115846630 A CN 115846630A CN 202310134394 A CN202310134394 A CN 202310134394A CN 115846630 A CN115846630 A CN 115846630A
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Abstract
The invention relates to the field of metal casting, and particularly discloses a nodular cast iron casting processing device which comprises a casting material passage and a cast iron molding module, wherein the cast iron molding module is fixedly connected to the discharge end of the casting material passage, the inside of the cast iron molding module is detachably connected with a molding matching module, and a casting molding die cavity for molding nodular cast iron is arranged between the cast iron molding module and the molding matching module.
Description
Technical Field
The invention relates to the field of metal casting, in particular to a nodular cast iron casting and processing device.
Background
The nodular cast iron can be used for manufacturing parts with larger load and more complex stress, during the casting processing process of the nodular cast iron, the nodular cast iron can be subjected to heat treatment of castings after casting forming, the structure and the property of the nodular cast iron can be changed or influenced by the heat treatment, the stress of the castings is eliminated, the castings with higher strength and hardness are obtained, the heat treatment process of the nodular cast iron needs to be carried out at least for 3 hours after being put into the molten salt at 930 ℃, then at least for 3 hours after being put into the molten salt again at 760 ℃, the castings are directly formed in the casting mold, the castings are taken out for heating after being formed and cooled and opened, and then are put into the molten salt for heat preservation, the convenience of operation is not enough, the casting mold is only used for carrying out casting forming operation of the nodular cast iron castings, the casting mold can not be used for flexibly and safely carrying out the putting-in and heat preservation operation of the molten salt after the castings are heated through the casting mold, the casting mold and the formed castings are directly covered with the molten salt from the outside of the casting mold, the casting mold and the formed castings, the molten salt can not effectively different regions of the nodular cast castings, and the castings can not cover the hollow space inside of the casting mold, the castings, the hollow space and the casting mold can not cover the casting of the castings, the nodular cast iron, the castings, the nodular cast iron can not influence the casting effect of the nodular cast iron on the ideal casting of the nodular cast iron casting, and the castings, and the casting of the castings, and casting of the ideal casting of the nodular cast iron can be achieved, and the ideal casting effect of the nodular cast iron can be achieved.
Disclosure of Invention
The present invention is directed to a nodular cast iron casting apparatus to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the nodular cast iron casting processing device comprises a casting material passage and a cast iron molding module, wherein the cast iron molding module is fixedly connected to the discharge end of the casting material passage, a molding matching module is detachably connected inside the cast iron molding module, a casting molding die cavity for molding nodular cast iron is arranged between the cast iron molding module and the molding matching module, a feeding module is fixedly connected to the open top end of the molding matching module, and the feeding module is communicated with the cast iron molding module and the molding 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, the two supporting bases are fixedly connected to the bottom of the first casting forming die holder and the bottom of the second casting forming die holder respectively, and the two casting inner die holders are symmetrically and fixedly connected to the tops of the supporting bases; the forming matching module comprises an outer profiling seat, an inner profiling seat, a profiling top shell and a profiling inner shell, the inner profiling seat is in threaded connection with the inside of the outer profiling seat, the outer profiling seat is in threaded connection with the inside of the supporting base, and the profiling inner shell is in threaded connection with the top end of the inner profiling seat; the inner side wall of the casting inner die seat and the outer side wall of the outer copying seat form the casting forming die cavity, the outer side wall of the casting inner die seat and the inner side wall of the first casting forming die seat form a casting outer molten salt cavity, and the inner side wall of the outer copying seat and the inner side wall of the inner copying seat form a casting inner molten salt cavity.
Further: first foundry goods shaping die holder fixed connection the casting material passageway, second foundry goods shaping die holder can dismantle the connection and be in first foundry goods shaping die holder opposite side, two the foundry goods centre form base is located respectively first foundry goods shaping die holder inboard with second foundry goods shaping die holder is inboard.
And further: the feeding module comprises a feeding frame and a material pipe, the material 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 material pipe is connected to the top of the first casting forming die holder in a clamping mode, and the discharging end of the material pipe is communicated with the outside molten salt cavity of the casting.
Further: the top of the first casting forming die holder and the top of the second casting forming die holder are fixedly connected with top connecting blocks, the top connecting blocks are located above the casting inner die holders, and the top ends of the casting inner die holders are fixedly connected with the bottoms of the top connecting blocks.
Further: the profiling top shell comprises a profiling top shell body and is characterized in that a fixing plate is fixedly connected to the top end of the profiling top shell body, a guiding hopper is fixedly connected to the top end of the profiling inner shell body, and the top end of the guiding hopper is fixedly connected with the bottom of the fixing plate.
Further: the outer side wall of the profiling top shell is fixedly connected with a blocking disc, the outer diameter of the blocking disc is the same as the inner diameter of the casting inner die holder, and the blocking disc blocks the casting forming die cavity from the upper part of the casting forming die cavity.
Further: the profiling inner shell inner side wall is fixedly connected with an external thread combined cylinder, the external thread combined cylinder is in threaded connection with the inner profiling seat inner side wall, 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.
And further: the top end of the profiling inner shell is flush with the top of the first casting forming die holder, and the bottom of the plugging disc is flush with the top of the first casting forming die holder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the machining treatment die of the nodular cast iron casting composed of the cast iron forming module and the forming matching module is arranged, the casting forming die cavity formed among the casting inner die holder, 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 machining treatment die, after the casting is heated to the temperature required by heat treatment, molten salt is directly poured into the casting outer molten salt cavity formed among the two casting inner die holders, the inner side wall of the first casting forming die holder and the inner side wall of the second casting forming die holder, and the casting inner molten salt cavity formed among the inner side wall of the outer profiling seat and the outer side wall of the inner profiling seat, and the molten salt is scattered into and filled in the casting outer molten salt cavity and the casting inner molten salt cavity, so that the effect that the casting can be effectively covered by the molten salt in different areas is achieved, meanwhile, the influence of the thickness of the machining treatment die on the casting heat insulation effect of the casting caused by the molten salt can be reduced, an operator does not need to take out the casting and carry out the casting after the casting is heated, and carry out the casting embedding operation into the molten salt and the heat insulation operation is carried out, and the operation of the casting can be flexibly and safely carried out by the operator.
2. According to the invention, the first casting forming die holder and the second casting forming 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 manner, the inner profiling seat is connected inside the outer profiling seat in a threaded manner, and the outer profiling seat is connected inside the two supporting bases fastened together in a threaded manner, so that the effect of flexibly combining the cast iron forming module and the forming matching module by an operator is achieved, the operator can safely and effectively perform casting processing on nodular cast iron castings, and the operator can smoothly take out the processed castings.
Drawings
In order to more clearly explain the technical solutions in the embodiments, the drawings in the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a nodular cast iron casting and processing 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 structural view of a cast iron molding module in a ductile iron casting processing apparatus;
FIG. 5 is a schematic cross-sectional view of FIG. 4;
in the figure: 1. a casting material passage; 2. a cast iron molding module; 201. a molten salt cavity outside the casting; 21. a first casting forming die holder; 22. a second casting forming die holder; 23. a support base; 24. an inner die holder of the casting; 25. a top connecting block; 3. forming a matching module; 301. a molten salt cavity at the inner side of the casting; 31. an outer profiling seat; 32. an inner profiling seat; 33. profiling the top shell; 331. a plugging disc; 34. profiling the inner shell; 341. a guide hopper; 342. an external thread combination cylinder; 35. a fixing plate; 4. a casting molding die cavity; 5. a feeding module; 51. a feeding frame; 52. a material pipe.
Description of the preferred embodiment
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. The detailed structure of the present invention will be apparent from the following detailed description of the structure with reference to fig. 1 to 5, and all the structural contents mentioned in the following embodiments are referred to in the accompanying drawings of the specification.
Referring to fig. 1 to 5, in an embodiment of the present invention, a ductile cast iron casting processing apparatus includes a casting material passage 1 and a cast iron molding module 2, the cast iron molding module 2 is fixedly connected to a discharge end of the casting material passage 1, the cast iron molding module 2 is detachably connected to a molding matching module 3, a casting molding cavity 4 for molding ductile cast iron is provided between the cast iron molding module 2 and the molding matching module 3, a feeding module 5 is fixedly connected to an open top end of the molding matching module 3, the feeding module 5 is communicated with the cast iron molding module 2 and the molding matching module 3, the cast iron molding module 2 includes a first casting molding die holder 21, a second casting molding die holder 22, two supporting bases 23 and two casting inner die holders 24, the two supporting bases 23 are respectively and fixedly connected to a bottom of the first casting molding die holder 21 and a bottom of the second casting molding die holder 22, the two casting inner die holders 24 are symmetrically and fixedly connected to a top of the supporting bases 23, the molding matching module 3 includes an outer profiling base 31, an inner profiling seat 32, a top shell 33 and an inner shell 34, the inner side wall 31 of the inner profiling die holder 31 is screwed to an outer side wall 31 of the inner profiling die holder 31, and an outer side wall 31 of the inner profiling salt mold holder 31 are screwed to an outer side wall of the inner profiling mold holder 31, and an outer mold holder 31 of the inner mold holder 31, and an outer mold cavity of the inner mold holder 31 of the inner mold cavity of the inner mold are formed between the inner mold holder 31, and an outer mold cavity of the inner mold insert forming a profiling mold cavity of the inner mold insert 31, and an outer mold insert forming a first casting.
The processing mold for the nodular cast iron castings is formed by matching the cast iron molding module 2 and the molding matching module 3 which is detachably connected inside, the cast iron molding module 2 is used for molding the nodular cast iron castings, the cast iron molding module 2 is connected with the casting material passage 1, the cast iron molding 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 materials into the cast iron molding module 2, the operation convenience is high, the top parts of the first casting molding mold base 21 and the second casting molding mold base 22 are fixedly connected with the top connecting block 25, the top connecting block 25 is positioned above the casting inner mold base 24, the top end of the casting inner mold base 24 is fixedly connected with the bottom of the top connecting block 25, the stability of the casting inner mold base 24 connected to the top part of the supporting base 23 and the stability of the molding cast iron molding module 2 in the whole use can be improved, the second casting forming die holder 22 is detachably connected to the other side of the first casting forming die holder 21, the second casting forming die holder 22 can be fastened with the first casting forming die holder 21 through a threaded fastener, so that the effect of flexibly and rapidly combining the cast iron forming module 2 by an operator is achieved, an external thread combining cylinder 342 is fixedly connected to the inner side wall of the profiling inner shell 34, a threaded connecting portion matched with the external thread combining cylinder 342 is arranged on the inner side wall of the inner profiling seat 32, the external thread combining cylinder 342 is in threaded connection with the inner side wall of the inner profiling seat 32, the bottom end of the profiling inner shell 34 is tightly attached to the top end of the inner profiling shell 32, the profiling top shell 33 is fixedly connected to 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 seat 31, a fixing plate 35 is fixedly connected to the top end of the profiling top shell 33, a guide hopper 341 is fixedly connected to the top end of the guide hopper 341, and the bottom of the fixing plate 35 are fixedly connected, 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 an operator to carry out, 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 operator 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 combining the forming matching module 3 and the cast iron forming module 2 flexibly and quickly by the operator 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 casting and forming nodular cast iron, and 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 forming die holder 21 and the second casting forming 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 profiling top shell 31, so that a complete casting forming die cavity 4 is formed between the cast iron forming module 2 and the forming matching module 3, the casting material passage 1 introduces the casting material into the casting forming die cavity 4, the casting forming of the nodular cast iron casting can be realized through the casting forming die cavity 4 formed among the casting inner die holder 24, the profiling top shell 31 and the profiling top shell 33, the operation convenience is high, the casting forming die cavity 4 formed among the casting inner die holder 24, the profiling top shell 31 and the profiling top shell 33 is matched to form a processing die capable of processing the nodular cast iron casting, and the casting forming of the nodular cast iron casting is performed through the casting forming die cavity 4 formed among the casting inner die holder 24, the profiling top shell 31 and the profiling top shell 33, the formed castings can be directly cooled and reheated in the processing mold so that operators can perform subsequent heat treatment on the ductile iron castings.
A casting outer side 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 inner side molten salt cavity 301 is formed between the inner side walls of the outer profiling seat 31 and the inner profiling seat 32, heat preservation molten salt can be poured into the casting outer side molten salt cavity 201 and the casting inner side molten salt cavity 301, the top of the forming and matching module 3 is fixedly connected with a feeding module 5, 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 end 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 and combination of the feeding module 5 and the forming and matching module 3 are realized, and the material pipe 52 and the first casting forming die holder 21 adopt a detachable connection manner, the connection and 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 cannot be obstructed, 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 feeding frame 51 to smoothly enter the casting inner molten salt cavity 301, the molten salt can be fed into the casting outer molten salt cavity 201 and the casting inner molten salt cavity 301 through the matching of the feeding frame 51 and the material pipe 52, the operation is simple, the feeding module 5 is communicated with the cast iron forming module 2 and the forming matching module 3 to achieve the effect of conveniently feeding the molten salt into the cast iron forming module 2 and the forming matching module 3, and after the nodular cast iron casting is heated to the required temperature for heat treatment, the casting outer molten salt cavities 201, and 3 formed between the two casting inner die holders 24 and the inner side wall of the first casting forming die holder 21 and the inner side wall of the second casting forming die holder 22 are directly, molten salt is thrown into the casting inner side molten salt cavity 301 formed between the inner side wall of the outer copying seat 31 and the outer side wall of the inner copying seat 32, the molten salt is scattered into the casting outer side molten salt cavity 201 and the casting inner side molten salt cavity 301 and is filled in the casting outer side molten salt cavity 201 and the casting inner side molten salt cavity 301, the effect that the molten salt effectively covers different areas of the nodular cast iron is achieved, meanwhile, the influence of the thickness of the processing mold on the heat preservation effect of the casting can be reduced, an operator does not need to integrally take out the nodular cast iron casting from the heating processing mold to heat and then carry out the embedding operation of the casting into the molten salt, the operator can flexibly and safely complete the casting molding of the nodular cast iron casting, the throwing and the heat preservation operation of the molten salt after the heating and the casting heating operation through operating the processing mold, the convenience of the operation is high, and the effect of improving the heat treatment effect and the processing quality of the nodular cast iron casting is achieved.
The first casting forming die holder 21 and the second casting forming die holder 22 are fastened together through a threaded fastener, the profiling inner shell 34 and the profiling top shell 33 are connected above the outer profiling seat 31 and the inner profiling seat 32 in a threaded manner, the inner profiling seat 32 is connected on the inner side of the outer profiling seat 31 in a threaded manner, the outer profiling seat 31 is connected on the inner sides of the two supporting bases 23 fastened together in a threaded manner, the effect of flexibly combining the cast iron forming module 2 and the forming matching module 3 by an operator is achieved, so that the operator can safely and effectively cast and process the nodular cast iron, the operator can smoothly take out the nodular cast iron after processing, and the outer side wall of the profiling top shell 33 is fixedly connected with a plugging disc 331, the outer diameter of the blocking disc 331 is the same as the inner diameter of the casting inner die holder 24, the bottom of the blocking disc 331 is flush with the top of the first casting forming die holder 21, therefore, the blocking disc 331 connected to the outer side wall of the profiling top shell 33 above the inner profiling seat 32 is located at the position of the top open end of the casting forming die cavity 4, the blocking disc 331 can block the top open end of the casting forming die cavity 4 from the upper side of the casting forming die cavity 4, the top end of the profiling inner shell 34 is flush with the top of the first casting forming die holder 21, so that the molten salt entering the casting inner molten salt cavity 301 and located in the top area can be kept at a position higher than the top end of the nodular cast iron casting, and therefore, the forming and heat preservation effects of the nodular cast iron casting inside the casting forming die cavity 4 can be improved.
The working principle of the invention is as follows: an operator firstly combines the outer profiling seat 31 and the inner profiling seat 32 on the cast iron molding module 2, then connects the profiling top shell 33 and the profiling inner shell 34 above the inner profiling seat 32, combines and molds the matching module 3 and the cast iron molding module 2, the casting material passage 1 introduces the casting material into the casting molding cavity 4, the nodular cast iron casting is cast and molded in the casting molding cavity 4 formed among the casting inner die seat 24, the outer profiling seat 31 and the profiling top shell 33, the molded casting is directly cooled and reheated in the processing die, after the nodular cast iron casting is heated to the required temperature of heat treatment, molten salt is directly added into the feeding frame 51, the molten salt is scattered into the casting outer side molten salt cavity 201 and the casting inner side molten salt cavity 301, the molten salt is filled in the casting outer side molten salt cavity 201 and the casting inner side molten salt cavity 301, so that the molten salt covers different areas of the nodular cast iron casting, and the heat treatment of the nodular cast iron is carried out.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The nodular cast iron casting processing device comprises a casting material passage (1) and a cast iron molding module (2), wherein the cast iron molding module (2) is fixedly connected at the discharge end of the casting material passage (1), and is characterized in that the cast iron molding module (2) is detachably connected with a molding matching module (3) inside, a casting molding die cavity (4) for molding nodular cast iron is arranged between the cast iron molding module (2) and the molding matching module (3), a feeding module (5) is fixedly connected with an open top end of the molding matching module (3), and the feeding module (5) is communicated with the cast iron molding module (2) and the molding matching 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), the two supporting bases (23) are fixedly connected to the bottom of the first casting forming die holder (21) and the bottom of the second casting forming die holder (22) respectively, and the two casting inner die holders (24) are symmetrically and fixedly connected to the tops of the supporting bases (23);
the forming matching module (3) comprises an outer copying seat (31), an inner copying seat (32), a copying top shell (33) and a copying inner shell (34), wherein the inner copying seat (32) is in threaded connection with the inside of the outer copying seat (31), the outer copying seat (31) is in threaded connection with the inside of the supporting base (23), and the copying inner shell (34) is in threaded connection with the top end of the inner copying seat (32).
2. The ductile cast iron casting processing device according to claim 1, wherein the casting forming mold cavity (4) is formed between the inner casting mold base (24) inner side wall and the outer copying mold base (31) outer side wall, the casting outer molten salt cavity (201) is formed between the two inner casting mold base (24) outer side walls and the first casting forming mold base (21) inner side wall, and the casting inner molten salt cavity (301) is formed between the outer copying mold base (31) inner side wall and the inner copying mold base (32) outer side wall.
3. The nodular cast iron casting processing apparatus of claim 1 wherein, the first casting forming die holder (21) is fixedly connected the casting material passageway (1), the second casting forming die holder (22) is detachably connected at the first casting forming die holder (21) opposite side, two the casting inner die holder (24) is respectively located the first casting forming die holder (21) inboard and the second casting forming die holder (22) inboard.
4. The ductile cast iron casting processing device according to claim 2, 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 forming die holder (21) in a clamping manner, and the discharging end of the material pipe (52) is communicated with the casting outer molten salt cavity (201).
5. The ductile cast iron casting processing apparatus according to claim 1, wherein top connecting blocks (25) are fixedly connected to top portions of the first casting forming die holder (21) and the second casting forming die holder (22), the top connecting blocks (25) are located above the inner casting die holder (24), and top ends of the inner casting die holder (24) are fixedly connected to bottom portions of the top connecting blocks (25).
6. The ductile cast iron casting processing device according to claim 1, wherein a fixing plate (35) is fixedly connected to a top end of the profiling top shell (33), a guiding hopper (341) is fixedly connected to a top end of the profiling inner shell (34), and a top end of the guiding hopper (341) is fixedly connected to a bottom of the fixing plate (35).
7. The ductile cast iron casting processing device according to claim 1, wherein a blocking disc (331) is fixedly connected to an outer side wall of the profiling top shell (33), an outer diameter of the blocking disc (331) is the same as an inner diameter of the casting inner die holder (24), and the blocking disc (331) blocks the casting molding die cavity (4) from above the casting molding die cavity (4).
8. The ductile cast iron casting processing device according to claim 7, characterized in that an external thread combined cylinder (342) is fixedly connected to the inner side wall of the profiling inner shell (34), the external thread combined cylinder (342) is in threaded connection with the inner side wall of the inner profiling seat (32), the bottom end of the profiling inner shell (34) is tightly attached to 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 top end of the profiling inner shell (34) is flush with the top of the first casting forming die holder (21), and the bottom of the blocking disc (331) is flush with the top of the first casting forming die holder (21).
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| CN116079007A (en) * | 2023-04-07 | 2023-05-09 | 蓬莱金创精密铸造有限公司 | Casting die for automobile exhaust connector and manufacturing process |
| CN116174660A (en) * | 2023-04-25 | 2023-05-30 | 蓬莱三和铸造有限公司 | High-precision casting device for balance shaft of mine car |
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