CN216575425U - Wood white mold composite mold for seat frame casting - Google Patents
Wood white mold composite mold for seat frame casting Download PDFInfo
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- CN216575425U CN216575425U CN202122524367.1U CN202122524367U CN216575425U CN 216575425 U CN216575425 U CN 216575425U CN 202122524367 U CN202122524367 U CN 202122524367U CN 216575425 U CN216575425 U CN 216575425U
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Abstract
The utility model discloses a wood white mold composite mold for seat frame casting, which comprises an upper box body and a lower box body, wherein a mold cavity is formed in the middle part between the upper box body and the lower box body together, a pouring gate is arranged on the left side of the upper part of the upper box body, risers are uniformly distributed on the upper part of the upper box body along the center circumference of a seat frame shell mold, a core body and seat frame shell molds which are symmetrically distributed left and right are arranged in the lower box body, the core body is combined and molded by a core box with a two-half symmetrical structure, and the seat frame shell mold and the core box are of a composite structure formed by combining a wood mold and a white mold; the utility model adopts the composite mould combining the wood mould and the polystyrene white mould, not only utilizes the stable basic modeling structure of the wood mould, but also utilizes the advantage of short manufacturing period of the white mould, is convenient and flexible, and is suitable for quickly manufacturing casting moulds of marine seats frames with different specifications and models; the method has the advantages of ensuring the casting quality, shortening the manufacturing period, saving the casting cost and meeting the requirement of producing single castings with high quality requirements.
Description
Technical Field
The utility model belongs to the technical field of casting modeling, and particularly relates to a wood white mold composite mold for seat frame casting.
Background
The casting mold is used for obtaining the structural shape of the part, other easily-formed materials are used for forming the structural shape of the part in advance, then the part is placed into the mold again, a cavity with the same structural size as the part is formed in the sand mold, then the liquid with fluidity is poured into the cavity, and the liquid is cooled and solidified to form the part with the same structural shape as the mold. Generally, different molds and casting forming processes are selected according to actual production conditions, for example, lost foam solid casting is commonly used in single piece production; the small-batch production is suitable for wood pattern casting; the mass production is suitable for metal mold casting. The wood mold and metal mold casting is a casting method for respectively molding an outer mold and a loam core and then combining and matching mold and mould assembling for casting molding; the full-mold casting is a casting method which directly pours molten metal without taking out a mold after molding, the mold is burnt, gasified and disappeared, the molten metal replaces the space position occupied by the original mold, and a required casting is obtained after cooling and solidification. The lost foam casting is easy to deform due to low strength of the model, high pouring temperature, easy sand sticking of the inner cavity, serious carbon deposition on the surface of the casting and easy generation of slag holes and air holes in the thick part.
The casting of the marine seat frame belongs to small-batch production, has high requirement on the quality of castings, generally adopts a wood mold to respectively manufacture an outer mold core box and an inner cavity core box, respectively mold an outer mold and a loam core, and then combine a matched mold and a matched mold box for casting molding. However, the specification and the model of the marine seat frame are various, and some seat frames only change in certain size, so that a set of wood mold needs to be manufactured again, the manufacturing cost is too high, and the manufacturing period is also influenced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the wood white mold composite mold for seat frame casting, which adopts the composite mold combining the wood mold and the white mold, is convenient and flexible, is suitable for manufacturing ship seat frame molds with different models and sizes, shortens the manufacturing period and saves the casting cost.
The technical scheme adopted by the utility model is as follows: the utility model provides a wood white mould compound die for seat frame casting, includes upper box and lower box, and the middle part constitutes jointly between upper box and the lower box has the die cavity, and upper box upper portion left side is provided with the runner, and upper box upper portion is followed seat frame shell mould center circumference and is gone up the equipartition and is provided with the rising head, is provided with core and bilateral symmetry distribution's seat frame shell mould in the lower box, and the core is moulded by the core box combination of two semi-symmetrical structure, and seat frame shell mould and core box are the composite construction that wood mould and white mould combined together.
The seat frame shell mold is of a solid structure consistent with the shape of the seat frame part, the outer layer of the seat frame shell mold is of a solid wood mold structure, and the inner layer of the seat frame shell mold close to the core body is attached to form a white mold, so that a composite structure combining the wood mold and the white mold is formed.
The core box is composed of two parts which are bilaterally symmetrical, the outer layer and the outer frame of the core box are of a wood die structure, the inner layer of the core box close to one side of the inner cavity is attached to a white die, and a composite structure combining the wood die and the white die is formed.
The main bodies of the pouring gate and the dead head are cylindrical cavities, the upper opening of the pouring gate is a horn-shaped cavity concentric with the pouring gate, the lower part of the pouring gate is connected with a pouring gate, and the other end of the pouring gate is connected with the side wall of the lower part of the seat frame shell mold; the lower part of the riser is connected with the top wall of the cavity of the seat frame shell mold;
the white mould is polystyrene foam plastic.
The wood white mold composite mold for seat frame casting is used as follows: molding the marine seat frame by using the molding sand, firstly manufacturing a core box, wherein the core box consists of two semicylindrical parts which are bilaterally symmetrical, the outer layer and the outer frame of the core box are of wood die structures, the inner layer of the core box close to one side of an inner cavity is of a polystyrene foam white die structure, the polystyrene foam white die structure and the polystyrene foam white die structure are tightly attached, and the core body of the inner cavity is manufactured by using the core box combination molding of the two parts; the seat frame shell mold is processed into a solid structure consistent with the shape of the seat frame part, the outer layer of the seat frame shell mold is of a solid wood mold structure, and the inner layer of the seat frame shell mold close to the core body is attached to form a white mold, so that a composite structure combining the wood mold and the white mold is formed. Placing the seat frame shell mold in a lower box body, embedding molding sand, molding by manpower, turning over the lower box body after molding is finished, taking out the composite structure seat frame shell mold formed by combining wood white molds in the lower box body by a special tool from a parting surface, and finishing coating after casting is finished; and combining the manufactured seat frame shell mold and the core body matched mold, arranging a pouring gate and a dead head in an upper box body at proper positions according to design, and performing mould closing and pouring to finish casting molding.
The seat frame shell mold and the core box are of a composite structure formed by combining a wood mold and a white mold; the seat frame shell mold and the seat frame part are of a solid structure with the same shape, the outer layer of the seat frame shell mold is of a solid wood mold structure, and the inner layer of the seat frame shell mold close to the core body is provided with a white mold in an attaching mode to form a composite structure combining the wood mold and the white mold; the core box consists of two parts which are bilaterally symmetrical, the outer layer and the outer frame of the core box are arranged into a wood die structure, and the inner layer of the core box close to one side of the inner cavity is attached to form a white die to form a composite structure combining the wood die and the white die; the purpose of this is: the seat frame shell mold and the core box are of a composite structure combining a wood mold and a white mold, the wood mold is tightly attached to the white mold to form a new casting mold on the basis of the mold of the wood mold structure, the composite structure not only utilizes the stability of the basic modeling structure of the wood mold, but also utilizes the advantage of short manufacturing period of the white mold, and the composite structure is suitable for manufacturing casting molds for quickly modifying ship seat frames of different specifications and models; after the casting, all the molds including the white mold are taken out, the white mold has good demolding performance and is not left in the sand mold, the defects of the casting after the lost foam casting are avoided, the casting is ensured to be well filled, and the smooth forming and demolding can be realized.
A pouring gate is arranged on the left side of the upper part of the upper box body, and risers are uniformly distributed on the upper part of the upper box body along the circumference of the center of the seat frame shell mold; the purpose of this is: the pouring gate is arranged at the position suitable for pouring on the upper part of the seat frame shell mold, so that molten metal is short in flow and less in bending, the molten metal is uniformly introduced and distributed, the kinetic energy loss of the molten metal is less, the mold is compact in structure, smaller in appearance and uniform in heat balance, and meanwhile, waste gas flowing into the cavity along with the molten metal also reaches the parting surface to be discharged; the selection of the parting surface meets the requirement that the parting surface is arranged at the flowing tail end of molten metal, and is favorable for smooth exhaust channel of gas at the deep cavity part.
The utility model has the beneficial effects that: the casting mould of the seat frame adopts a composite mould combining the wood mould and the polystyrene white mould, not only utilizes the advantages of stable basic modeling structure of the wood mould, but also utilizes the advantage of short manufacturing period of the white mould, is convenient and flexible, and is suitable for quickly manufacturing the casting moulds of the ship seat frames with different specifications and models; after modeling, the composite structure mold comprising the white mold is completely taken out, the white mold has good demolding performance and is not left in the sand mold, the defect of the casting after the lost foam casting is avoided, the casting is ensured to be well filled, and smooth forming and demolding can be realized. The method can ensure the quality of the casting, shorten the manufacturing period, save the casting cost and meet the requirement of producing single castings with high quality requirements.
Drawings
FIG. 1 is a schematic view of the assembly structure of the seat frame mold of the present invention;
FIG. 2 is a schematic structural view of a saddle mold core box of the present invention.
The labels in the figure are: 1. An upper box body; 2. a lower box body; 3. a gate; 4. a riser; 5. a core box; 6. a core body; 7. a seat frame shell mold; 8. wood molding; 9. and (5) white die.
Detailed Description
The following detailed description of embodiments of the utility model is provided in connection with the accompanying drawings.
As shown in the figure, the wood white mold composite mold for seat frame casting comprises an upper box body 1 and a lower box body 2, a mold cavity is formed between the upper box body 1 and the lower box body 2 together in the middle, a pouring gate 3 is arranged on the left side of the upper portion of the upper box body 1, risers 4 are uniformly distributed on the upper portion of the upper box body 1 along the center circumference of a seat frame shell mold 6, a core body 6 and seat frame shell molds 7 which are distributed in bilateral symmetry are arranged in the lower box body 2, the core body 6 is combined and molded by a core box 5 with two-half symmetrical structure, and the seat frame shell mold 7 and the core box 5 are of a composite structure formed by combining a wood mold 8 and a white mold 9.
The seat frame shell mold 7 is of a solid structure consistent with the shape of the seat frame part, the outer layer of the seat frame shell mold 7 is of a solid wood mold 8 structure, and the inner layer of the seat frame shell mold 7 close to the core body 6 is attached to form a white mold 9, so that a composite structure combining the wood mold 8 and the white mold 9 is formed.
The core box 5 is composed of two parts which are bilaterally symmetrical, the outer layer and the outer frame of the core box 5 are of a wood die 8 structure, the inner layer of one side of the core box 5 close to the inner cavity is attached to a white die 9, and a composite structure of the wood die 8 and the white die 9 is formed.
The main bodies of the pouring gate 3 and the dead head 4 are cylindrical cavities, the upper opening of the pouring gate 3 is a horn-shaped cavity concentric with the pouring gate, the lower part of the pouring gate 3 is connected with a pouring gate, and the other end of the pouring gate is connected with the side wall of the lower part of the seat frame shell mold; the lower part of the riser 4 is connected with the top wall of the cavity of the seat frame shell mold 7;
the white mold 9 is polystyrene foam.
The wood white mold composite mold for seat frame casting is used as follows: the marine seat frame is modeled by using the molding sand, firstly, a core box 5 is manufactured, the core box 5 consists of two semicylindrical parts which are bilaterally symmetrical, the outer layer and the outer frame of the core box 5 are of wood mold 8 structures, the inner layer of one side of the core box 5 close to an inner cavity is of a polystyrene foam white mold 9 structure, the core box and the outer frame are tightly attached, and the core body 6 of the inner cavity is manufactured after the core box 5 of the two parts is combined and modeled; the seat frame shell mold 7 is processed into a solid structure which is consistent with the shape of the seat frame parts, the outer layer of the seat frame shell mold 7 is of a solid wood mold 8 structure, and the inner layer of the seat frame shell mold 7 close to the core body 6 is attached to form a white mold 9, so that a composite structure of the wood mold 8 and the white mold 9 is formed. Placing the seat frame shell mold 7 in the lower box body 2, burying molding sand, molding by manpower, turning over the lower box body 2 after molding, taking out the composite structure seat frame shell mold 7 formed by combining wood white molds in the lower box body 8 by a special tool from a parting surface, and finishing coating after casting; and (3) combining the prepared seat frame shell mold 7 and the core body 6, arranging a pouring gate 2 and a dead head 4 in the upper box body 1 at proper positions according to design, and performing mould closing and pouring to finish the molding of the seat frame casting.
Claims (5)
1. The utility model provides a seat frame casting is with compound mould of wood white mould which characterized in that: the mold comprises an upper box body and a lower box body, wherein a mold cavity is formed between the upper box body and the lower box body, a sprue is arranged on the left side of the upper part of the upper box body, risers are uniformly distributed on the upper part of the upper box body along the circumference of the center of a seat frame shell mold, a core body and the seat frame shell mold which is symmetrically distributed left and right are arranged in the lower box body, the core body is combined and molded by a core box with two halves of symmetrical structures, and the seat frame shell mold and the core box are of a composite structure formed by combining a wood mold and a white mold.
2. The wood white mold composite mold for seat frame casting according to claim 1, characterized in that: the seat frame shell mold is of a solid structure consistent with the shape of the seat frame part, the outer layer of the seat frame shell mold is of a solid wood mold structure, and the inner layer of the seat frame shell mold close to the core body is attached to form a white mold, so that a composite structure combining the wood mold and the white mold is formed.
3. The wood white mold composite mold for seat frame casting according to claim 1, characterized in that: the core box is composed of two parts which are bilaterally symmetrical, the outer layer and the outer frame of the core box are of a wood die structure, the inner layer of the core box close to one side of the inner cavity is attached to a white die, and a composite structure combining the wood die and the white die is formed.
4. A wood white mould composite mould for seat frame casting according to any one of claims 1 to 3, characterized in that: the white mould is polystyrene foam.
5. The wood white mold composite mold for seat frame casting according to claim 1, characterized in that: the main body of the pouring gate and the riser is a cylindrical cavity, the upper opening of the pouring gate is a horn-shaped cavity concentric with the pouring gate, the lower part of the pouring gate is connected with a pouring gate, and the other end of the pouring gate is connected with the side wall of the lower part of the seat frame shell mold; the lower part of the riser is connected with the top wall of the cavity of the seat frame shell mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122524367.1U CN216575425U (en) | 2021-10-20 | 2021-10-20 | Wood white mold composite mold for seat frame casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122524367.1U CN216575425U (en) | 2021-10-20 | 2021-10-20 | Wood white mold composite mold for seat frame casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216575425U true CN216575425U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122524367.1U Active CN216575425U (en) | 2021-10-20 | 2021-10-20 | Wood white mold composite mold for seat frame casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216575425U (en) |
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2021
- 2021-10-20 CN CN202122524367.1U patent/CN216575425U/en active Active
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