CN212917522U - Casting sand mold capable of eliminating sand inclusion defect - Google Patents
Casting sand mold capable of eliminating sand inclusion defect Download PDFInfo
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- CN212917522U CN212917522U CN202020990297.1U CN202020990297U CN212917522U CN 212917522 U CN212917522 U CN 212917522U CN 202020990297 U CN202020990297 U CN 202020990297U CN 212917522 U CN212917522 U CN 212917522U
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Abstract
The utility model discloses a casting sand mould for eliminating sand inclusion defects, relating to the technical field of casting sand moulds; the bottom of a workpiece cavity is provided with a sand gathering cavity, the sand gathering cavity is provided with a plurality of sand removing ports, the sand removing ports penetrate through the sand gathering cavity, one side of the sand gathering cavity is fixedly connected with one end of a transverse pouring pipe, the other end of the transverse pouring pipe is fixedly connected with one side of a vertical pouring pipe, the bottom of the vertical pouring pipe is closed, the highest point of the inner upper end of the workpiece cavity is provided with an air groove, two sides of an upper sand model are both provided with a plurality of longitudinal cooling air passages, the longitudinal cooling air passages are communicated with the transverse cooling air passages, and a gas buffer bin is arranged at the joint of the longitudinal cooling air passages and; the utility model can realize fast elimination of sand inclusion defect, has simple operation and can realize fast heat dissipation; realize cooling gas's buffering through gas surge bin, reasonable utilization cooling air, stability is high, can save time.
Description
Technical Field
The utility model belongs to the technical field of the casting sand mould, concretely relates to eliminate casting sand mould of double-layered sand defect.
Background
Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years. China has entered the full prosperity of bronze castings approximately 1700 to the first 1000 years of the Gregorian, and has reached a fairly high level in technology. Casting refers to a process of pouring a solidified material into a mold having a specific shape after it is liquid at room temperature and is solidified. The casting is a technological process of smelting metal into liquid meeting certain requirements, pouring the liquid into a casting mold, cooling, solidifying and cleaning to obtain a casting with a preset shape, size and performance. The cast blank is nearly formed, so that the purposes of no machining or less machining are achieved, the cost is reduced, and the manufacturing time is reduced to a certain extent. Casting is one of the fundamental processes in the modern device manufacturing industry.
The existing casting sand mold has the defects of sand inclusion on the surface of a casting after liquid metal is cooled and solidified during casting, and has long cooling time and complex operation.
Disclosure of Invention
The method aims to solve the problems that the prior casting sand mold has sand inclusion defects on the surface of a casting after liquid metal is cooled and solidified during casting, and has long cooling time and complex operation; an object of the utility model is to provide an eliminate casting sand mould of double-layered sand defect.
The utility model discloses a casting sand mould for eliminating sand inclusion defect, including the upper sand type body, lower sand type body, middle part sand type body, vertical pouring pipe, the sprue gate, the work piece die cavity, the upper sand type body, lower sand type body, middle part sand type body and work piece die cavity constitute the main part of casting sand mould jointly, the junction of upper sand type body and lower sand type body is fixed and is equipped with middle part sand type body, the sprue gate has been seted up in the middle of the upper sand type body, fixedly connected with vertical pouring pipe in the middle of the sprue gate, the work piece die cavity has been seted up to the vertical pouring pipe left and right sides, the work piece die cavity bottom has been seted up and has been gathered the sand cavity, be equipped with several desanding ports on the sand collection cavity 61, desanding port runs through and gathers the sand cavity, gather sand cavity one side and horizontal pouring pipe one end fixed connection, the horizontal pouring pipe other end and vertical pouring pipe one side fixed, go up the both sides of sand type body and all seted up the vertical cooling air flue of several, and the vertical cooling air flue of several and horizontal cooling air flue intercommunication, the junction of vertical cooling air flue and horizontal cooling air flue is provided with gas surge bin.
Preferably, the cross section of the sand removing opening is semicircular.
Preferably, the gas surge bin is circular.
Preferably, the inner side walls of the longitudinal cooling air passage and the transverse cooling air passage are fixedly provided with spiral sheet bodies.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, the sand inclusion defect can be eliminated quickly, the operation is simple and convenient, and meanwhile, the quick heat dissipation can be realized;
and secondly, the buffer of cooling gas is realized through the gas buffer bin, cooling air is reasonably utilized, the stability is high, and the time can be saved.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle workpiece cavity of the present invention.
In the figure: 1-sanding the molded body; 2-discharging the sand body; 3-middle sand body; 4-vertical pouring tube; 5-a pouring gate; 6-workpiece cavity; 7-longitudinal cooling air passages; 8-transverse cooling air passages; 9-; 10-; a sand collecting cavity 61-; a sand removing port 62-; a lateral pour tube 63-; air slot 64-; 15-.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.
As shown in fig. 1 and 2, the following technical solutions are adopted in the present embodiment: the casting sand mold comprises an upper sand mold body 1, a lower sand mold body 2, a middle sand mold body 3, a vertical pouring pipe 4, a pouring port 5 and a workpiece cavity 6, wherein the upper sand mold body 1, the lower sand mold body 2, the middle sand mold body 3 and the workpiece cavity 6 jointly form a main body of a casting sand mold, the middle sand mold body 3 is fixedly arranged at the joint of the upper sand mold body 1 and the lower sand mold body 2, the pouring port 5 is arranged in the middle of the upper sand mold body 1, the vertical pouring pipe 4 is fixedly connected in the middle of the pouring port 5, the workpiece cavity 6 is fixedly arranged on the left side and the right side of the vertical pouring pipe 4, a sand collecting cavity 61 is arranged at the bottom of the workpiece cavity 6, a plurality of sand removing ports 62 are arranged on the sand collecting cavity 61, the sand removing ports 62 penetrate through a sand collecting cavity 61, one side of the sand collecting cavity 61 is fixedly connected with one end of a transverse pouring, an air groove 64 is formed in the highest point of the inner upper end of the workpiece cavity 6, a plurality of longitudinal cooling air passages 7 are formed in the two sides of the upper sand mold body 1, the longitudinal cooling air passages 7 are communicated with the transverse cooling air passages 8, and an air buffer bin 9 is arranged at the joint of the longitudinal cooling air passages 7 and the transverse cooling air passages 8.
Further, the cross section of the sand removing opening 62 is semicircular.
Further, the gas surge bin 9 is circular.
Furthermore, the inner side walls of the longitudinal cooling air passage 7 and the transverse cooling air passage 8 are fixedly provided with spiral sheet bodies.
The working principle of the specific embodiment is as follows: when casting, realize pouring through pouring mouth 5, the sand accumulation cavity 61 of work piece die cavity 6 can realize gathering the sand simultaneously, realize the desanding through the desanding mouth, and the desanding mouth is semi-circular, it can save raw and other materials, and the desanding mouth is the connected form, it is efficient to desand, upper end adoption air groove 64, when the air appears in the upper end, it can gather in the air groove, and the air groove can not influence the quality of work piece, simultaneously when the cooling, adopt the air surge bin to realize the buffering of cooling air, cooling air can be rationally utilized, save time.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an eliminate casting sand mould of double-layered sand defect, including last sand type body, lower sand type body, middle part sand type body, vertical pouring tube, the sprue gate, the work piece die cavity, go up the sand type body, lower sand type body, middle part sand type body and work piece die cavity constitute the main part of casting sand mould jointly, it is fixed with the middle part sand type body with the junction of lower sand type body to go up the sand type body, go up and seted up the sprue gate in the middle of the sand type body, the vertical pouring tube of fixedly connected with vertical pouring tube in the middle of the sprue gate, the work piece die cavity has been fixed to have seted up in vertical pouring tube left and right sides, the work piece die cavity bottom has been seted up and has been gathered the sand cavity, it goes to be equipped with the several on the sand cavity to go the sand gate to run through and gathers sand cavity, gather sand cavity one: the air groove has been seted up to the interior upper end highest point department of work piece die cavity, and the vertical cooling air flue of several has all been seted up to the both sides of going up the sand type body, and the vertical cooling air flue of several and horizontal cooling air flue intercommunication, and the junction of vertical cooling air flue and horizontal cooling air flue is provided with gas surge bin.
2. A casting sand mold for eliminating sand inclusion defects according to claim 1, characterized in that: the cross section of the sand removing opening is semicircular.
3. A casting sand mold for eliminating sand inclusion defects according to claim 1, characterized in that: the gas surge bin is circular.
4. A casting sand mold for eliminating sand inclusion defects according to claim 1, characterized in that: and spiral sheet bodies are fixedly mounted on the inner side walls of the longitudinal cooling air passage and the transverse cooling air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020990297.1U CN212917522U (en) | 2020-06-02 | 2020-06-02 | Casting sand mold capable of eliminating sand inclusion defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020990297.1U CN212917522U (en) | 2020-06-02 | 2020-06-02 | Casting sand mold capable of eliminating sand inclusion defect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212917522U true CN212917522U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020990297.1U Active CN212917522U (en) | 2020-06-02 | 2020-06-02 | Casting sand mold capable of eliminating sand inclusion defect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212917522U (en) |
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2020
- 2020-06-02 CN CN202020990297.1U patent/CN212917522U/en active Active
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