CN220920847U

CN220920847U - Valve body lost foam gluing die

Info

Publication number: CN220920847U
Application number: CN202420710540.8U
Authority: CN
Inventors: 侯名杰; 杨瑞涛; 李春庆
Original assignee: Xinxiang Taihang Mold Manufacturing Co ltd
Current assignee: Xinxiang Taihang Mold Manufacturing Co ltd
Priority date: 2024-04-09
Filing date: 2024-04-09
Publication date: 2024-05-10
Anticipated expiration: 2034-04-09

Abstract

The utility model discloses a valve body lost foam gluing die, and relates to the technical field of dies. The utility model comprises a mould body, wherein the mould body consists of a half mould; the two half molds are oppositely arranged, a pouring cavity is formed in the mold body, and the mold body is formed by an inner layer, a middle layer and an outer layer from inside to outside; be provided with main head and the main gas pocket of pouring on one half mould, be provided with vice head and the vice gas pocket of pouring on the other half mould, all be provided with the crossbearer on the inner wall of two half moulds, set up the cooperation recess on the outer wall of one crossbearer, and bond on the outer wall of another crossbearer and have the cooperation picture peg. The utility model facilitates the assembly of the lost foam gluing mould and improves the tightness after assembly by utilizing the matched grooves on the main mould and the matched plugboards on the auxiliary mould for mutual matching and cuttage, and gradually proceeds from inside to outside when the lost foam gluing mould with gradually reduced heat resistance is utilized for the lost foam gluing mould with an inner layer, an outer layer and a middle layer.

Description

Valve body lost foam gluing die

Technical Field

The utility model belongs to the technical field of molds, and particularly relates to a valve body lost foam gluing mold.

Background

The lost foam is one of the most common and mature mold types in the current stage, when molten metal is poured into the mold, the mold gradually gasifies and disappears, and then the molten metal replaces the position of the mold, so that the lost foam effectively avoids the defect in the traditional mold, and the defect of the finally formed metal is caused.

One chinese patent application (or patent) with publication number CN220532903U discloses a motor housing lost foam mould, including cover half and the movable mould of setting in cover half one side, all be provided with in cover half and the movable mould and be used for leading to water and cool off the cooling chamber of cooling, the top fixed mounting of cover half and movable mould has the outlet pipe that is linked together with the cooling chamber, the bottom fixed mounting of cover half and movable mould has the inlet tube that is linked together with the cooling chamber, the bottom of cover half and movable mould still fixed mounting has the drain pipe that is used for ponding outside discharge, fixed mounting has the solenoid valve on the drain pipe, the end fixed mounting of outlet pipe has the back flow that is used for the water outflow, the top fixed mounting of cover half and movable mould has the relief valve that is linked together with the cooling chamber. The utility model can perform timely cooling operation, improves the cooling efficiency and is convenient to use.

The motor shell lost foam mold comprises the fixed mold and the movable mold, and the lost foam mold is formed after the fixed mold and the outer mold are combined, but no sealing structure is arranged at the contact position of the fixed mold and the outer mold, the side wall of the contact position is smooth, and then the problem that molten metal flows out of the interface is easily caused when the fixed mold and the movable mold are contacted and spliced and poured; and the cooling water machine is further arranged on the casting mold, and is respectively communicated with the cooling cavity in the fixed mold and the cooling cavity in the fixed mold through the cooling water pipe and the return pipe, so that the effect of reducing the temperature of the lost foam to assist the formation of the molten metal in the casting mold is achieved, but after the molten metal is poured into the lost foam, the lost foam disappears along with the gradual formation of the molten metal due to the self lost characteristic of the lost foam, namely the cooling cavity in the casting mold also disappears, and further the cooling water in the lost foam can be directly contacted with the casting member due to untimely return, so that the problem of a certain hollow phenomenon is caused on the surface of the casting member. Therefore, we provide a valve body lost foam gluing die to solve the above problems.

Disclosure of utility model

The utility model aims to provide a lost foam bonding mold for a valve body, which is convenient to assemble and improves the tightness after assembly by utilizing mutual matching cuttage between a matching groove on a half mold and a matching plugboard, and solves the problems of the existing lost foam bonding mold by utilizing the lost foam bonding mold with gradually reduced heat resistance for an inner layer, an outer layer and a middle layer from inside to outside.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a valve body lost foam gluing die which comprises a die body, wherein the die body consists of a half die; the two half molds are oppositely arranged, a pouring cavity is formed in the mold body, and the mold body is formed by an inner layer, a middle layer and an outer layer from inside to outside;

One is provided with main head and the main gas pocket of pouring on the half mould, another is provided with vice head and the vice gas pocket of pouring on the half mould, two all be provided with the crossbearer on the inner wall of half mould, one set up the cooperation recess on the outer wall of crossbearer, and another bond on the outer wall of crossbearer and have the cooperation picture peg.

The utility model is further arranged that the inner layer is arranged at one side close to the pouring cavity, the middle layer is arranged between the inner layer and the outer layer, and the heat resistance of the inner layer, the outer layer and the middle layer is gradually reduced.

The utility model is further arranged that the shape of the matching groove is the same as that of the matching plugboard, and the matching groove and the matching plugboard are mutually spliced.

The main pouring head is arranged in a hollow tubular structure, and the main pouring head and the main air holes are communicated with a pouring cavity in the half mould.

The auxiliary pouring head is further arranged in a hollow tubular structure, and the auxiliary pouring head and the auxiliary air holes are communicated with the pouring cavity in the other half die.

The utility model further provides that the cross frames on the two half molds have the same structural shape, and the two cross frames are arranged oppositely.

The utility model is further characterized in that pouring cavities are formed in the two transverse frames, the pouring cavities in the two transverse frames are communicated, and the pouring cavities in the two transverse frames are communicated with the pouring cavities in the die body.

The utility model has the following beneficial effects:

1. According to the utility model, the mold body of the lost foam gluing mold consists of two half molds, the contact surface of one half mold is provided with the matching groove, the other half mold is provided with the matching plugboard at the corresponding position, and the matching plugboard and the matching groove are matched and spliced mutually, so that the tightness between the two half molds can be greatly improved, and the assembly operation is more convenient.

2. According to the utility model, the mould body of the lost foam gluing mould is divided into the inner layer, the middle layer and the outer layer by arranging the inner layer, the middle layer and the outer layer, wherein the heat resistance of the inner layer, the outer layer and the middle layer is gradually reduced, so that the mould body of the lost foam gluing mould cannot disappear completely once after pouring, but gradually disappears from inside to outside, and the consumed time is longer when the lost foam gluing mould disappears to the area where the outer layer is located, so that more reactions and operation time can be provided for a producer, and the subsequent operation is convenient.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a lost foam bonding mold for a valve body.

Fig. 2 is a structural cross-sectional view of a lost foam bonding mold for a valve body.

Fig. 3 is a schematic diagram of the structure of the mold half.

Fig. 4 is a schematic structural view of a half mold.

Fig. 5 is a side wall structure cross-sectional view of the mold body.

In the drawings, the list of components represented by the various numbers is as follows:

The mold comprises a mold body, a casting cavity, an inner layer, a middle layer, an outer layer, a 2-half mold, a main casting head, a main air hole, a transverse frame, a matched groove, a secondary casting head, a secondary air hole and a matched plugboard.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Detailed description of the preferred embodiments

Referring to fig. 1-4, the utility model discloses a lost foam gluing mold for a valve body, which comprises a mold body 1 composed of two half molds 2, wherein the two half molds 2 are respectively provided with a matching plugboard 303 and a matching groove 204, and the assembly of the mold body 1 is more convenient by utilizing the cuttage between the matching plugboard 303 and the matching groove 204, so that the tightness is improved.

Specifically, one end of the half mold 2 is provided with a main pouring head 201, a main air hole 202 is formed at the side of the main pouring head 201, a matching groove 204 is formed on the side wall of the opposite position of the other half mold 2, one end of the half mold 2 is provided with a secondary pouring head 301, a secondary air hole 302 is formed at the side of the secondary pouring head 301, and a matching plugboard 303 is arranged on the side wall of the opposite position of the other half mold 2 corresponding to the matching groove 204.

Further, the cross frame 203 is installed on the inner wall of the central ring groove of the two half molds 2, the matching groove 204 and the matching plugboard 303 are arranged on the cross frame 203, the matching groove 204 and the matching plugboard 303 are identical in structure, and the matching groove 204 and the matching plugboard 303 are mutually spliced.

The operation process of the embodiment is as follows: the matching plugboard 303 on one half mould 2 is aligned with the matching groove 204 on the other half mould 2, then the matching plugboard 303 can be inserted into the matching groove 204 by pushing the half mould 2, then molten metal is poured into the main pouring head 201 or the auxiliary pouring head 301, and meanwhile, the main air hole 202 and the auxiliary air hole 302 can ensure that air pressure balance in the mould body 1 can avoid generating air bubbles during pouring.

Second embodiment

Referring to fig. 5, in the first embodiment, the mold body 1 is composed of three layers, i.e., an inner layer 102, a middle layer 103 and an outer layer 104, and the mold body 1 is gradually moved when it disappears by using the inner layer 102, the middle layer 103 and the outer layer 104 having different heat resistances.

Specifically, the outer side of the mold body 1 is provided with an outer layer 104, the inner side is provided with an inner layer 102, and a middle layer 103 is further provided between the inner layer 102 and the outer layer 104.

Further, a casting cavity 101 for containing molten metal is formed in the die body 1, and heat resistance of the inner layer 102, the outer layer 104 and the middle layer 103 is gradually reduced.

The operation process of the embodiment is as follows: after pouring, the die body 1 of the lost foam gluing die is contacted with the inner layer 102 firstly, because the inner layer 102, the middle layer 103 and the outer layer 104 have different heat resistance, the lost foam is not completely lost at one time, but gradually lost from inside to outside, and the consumed time is longer when the lost foam is lost to the area where the outer layer 104 is located, so that the lost foam gluing die can provide sufficient preparation time for operators.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The lost foam gluing die for the valve body comprises a die body (1), wherein the die body (1) consists of a half die (2); the method is characterized in that: the two half molds (2) are oppositely arranged, a pouring cavity (101) is formed in the mold body (1), and the mold body (1) is formed by an inner layer (102), a middle layer (103) and an outer layer (104) from inside to outside;

One half mould (2) is provided with main head (201) and main gas pocket (202) of pouring, and the other half mould (2) is provided with vice head (301) and vice gas pocket (302) of pouring, two all be provided with on the inner wall of half mould (2) crossbearer (203), one offer on the outer wall of crossbearer (203) cooperation recess (204), and another bond on the outer wall of crossbearer (203) and have cooperation picture peg (303).

2. The lost foam gluing die for valve bodies according to claim 1, wherein the inner layer (102) is arranged on one side close to the pouring cavity (101), and the middle layer (103) is arranged between the inner layer (102) and the outer layer (104), and the heat resistance of the inner layer (102), the outer layer (104) and the middle layer (103) is gradually reduced.

3. A lost foam gluing die for valve bodies according to claim 1, characterized in that the shape of the mating groove (204) is the same as the shape of the mating insert plate (303), and the mating groove (204) and the mating insert plate (303) are mutually inserted.

4. A lost foam gluing mould for valve bodies according to claim 1, characterized in that the main casting head (201) is arranged in a hollow tubular structure, and the main casting head (201) and the main air holes (202) are communicated with the casting cavity (101) inside the half mould (2).

5. A lost foam gluing mould for valve bodies according to claim 1, characterized in that the secondary casting head (301) is arranged in a hollow tubular structure, and that the secondary casting head (301) and the secondary air holes (302) are in communication with the casting cavity (101) in the other half mould (2).

6. A lost foam gluing die for valve bodies according to claim 1, characterized in that the structural shape of the cross frames (203) on the two half dies (2) is the same, and the two cross frames (203) are arranged opposite to each other.

7. The lost foam gluing die for valve bodies according to claim 6, wherein the interior of the two cross frames (203) is provided with pouring cavities (101), the pouring cavities (101) in the two cross frames (203) are communicated, and the pouring cavities (101) in the two cross frames (203) are communicated with the pouring cavities (101) in the die body (1).