CN205341824U - Exhaust system of quick shaping psammitolite - Google Patents
Exhaust system of quick shaping psammitolite Download PDFInfo
- Publication number
- CN205341824U CN205341824U CN201620128257.XU CN201620128257U CN205341824U CN 205341824 U CN205341824 U CN 205341824U CN 201620128257 U CN201620128257 U CN 201620128257U CN 205341824 U CN205341824 U CN 205341824U
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- CN
- China
- Prior art keywords
- external form
- steam vent
- core
- psammitolite
- exhaust
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an exhaust system of quick shaping psammitolite, quick shaping psammitolite includes appearance, lower appearance and whole psammitolite, exhaust system includes: a plurality of psammitolite exhaust holes, the bottom at whole psammitolite is arranged to its longitudinal separation, a plurality of first appearances exhausts hole, its longitudinal separation arrange in the bottom of the recess of appearance down, and the same and position of the quantity in the quantity in first appearance exhaust hole and psammitolite exhaust hole corresponds, exhaust first vertical exhaust passage of hole and psammitolite row pore forming exhaust system of first appearance, at least one second appearance exhaust hole, its transversal arrangement is in the bottom of appearance down, and the outside of quick shaping psammitolite is access to to the at least one end in second appearance exhaust hole, and second appearance exhaust hole communicates with a plurality of first appearances exhaust hole. The utility model discloses improved the exhaust effect of psammitolite effectively, avoided appearing feeling suffocated in the type and the gas pocket that leads to.
Description
Technical field
This utility model relates to casting field, particularly to the gas extraction system of a kind of rapid shaping core.
Background technology
In product development process, rapid shaping core can be greatly shortened the construction cycle, reduces development cost.It is directly that integral sand core is 3D printing shaping by sand lump milling molding on milling machine that rapid shaping core includes external form, lower external form and integral sand core, upper external form and lower external form.But, the end face of integral sand core does not have core print, it is impossible to directly draw exhaust passage from the end face of integral sand core, especially carries out the cylinder head poured into a mould only by the flat mode of watering, and the bottom of the integral sand core that 3D prints is thick big.Further, during cast, integral sand core is got angry relatively slow in die cavity, result in and cannot discharge in time when core is got angry, and increases foundry goods and produces the hidden danger of subcutaneous blowhole.
It is disclosed in the information of this background section and is merely intended to increase the understanding to general background of the present utility model, and be not construed as admitting or imply in any form that this information structure is for prior art that persons skilled in the art are known.
Utility model content
The purpose of this utility model is in that to provide the gas extraction system of a kind of rapid shaping core, thus overcoming the defect of existing quick rapid shaping core exhaust problem.
For achieving the above object, this utility model provides the gas extraction system of a kind of rapid shaping core, rapid shaping core includes external form, lower external form and integral sand core, the bottom surface of upper external form and the end face of lower external form are respectively equipped with groove, two grooves form the die cavity of accommodating integral sand core, gas extraction system includes: multiple core steam vents, and multiple core steam vent longitudinal separations are arranged in the bottom of integral sand core；Multiple first external form steam vents, first external form steam vent longitudinal separation is arranged in the bottom of the groove of lower external form, the quantity of the first external form steam vent is identical with the quantity of core steam vent and position is corresponding, and the first external form steam vent and core steam vent form first longitudinal exhaust passage of gas extraction system；At least one second external form steam vent, the second external form steam vent is transversely arranged on the bottom of lower external form, and the outside of rapid shaping core is led at least one end of the second external form steam vent, and the second external form steam vent connects with multiple first external form steam vents.
Preferably, in technique scheme, gas extraction system also includes at least one second longitudinal exhaust passage, and second longitudinal exhaust passage upwardly extends the top of supreme external form from the middle part of the second external form steam vent.
Preferably, in technique scheme, the end leading to outside of the second external form steam vent is blocked.
Compared with prior art, this utility model has the advantages that
The gas that large part thick bottom integral sand core distributes in casting process can be discharged by this utility model in time, carries out the core poured into a mould especially with the flat mode of watering, effectively improves the exhaust effect of core, it is to avoid occurs feeling suffocated in type and the pore that causes；Also can flexible arrangement exhaust passage as the case may be, improve the exhaust efficiency of rapid shaping core.
Accompanying drawing explanation
Fig. 1 is the structure chart of the gas extraction system according to rapid shaping core of the present utility model.
Main Reference Numerals illustrates:
External form under 1-, the upper external form of 2-, 3-integral sand core, 4-core steam vent, the longitudinal exhaust passage of 5-second, 6-the second external form steam vent, 7-port, 8-the first external form steam vent.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail, it is to be understood that protection domain of the present utility model is not by the restriction of detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or its conversion will be understood to comprise the element or ingredient stated at such as " comprising " or " including " etc., and does not get rid of other element or other ingredient.
As shown in Figure 1, rapid shaping core according to this utility model detailed description of the invention includes upper external form 2, lower external form 1 and integral sand core 3, being respectively equipped with groove on the bottom surface of upper external form 2 and the end face of lower external form 1, two grooves fasten and form die cavity, accommodating integral sand core 3 in die cavity.
As it is shown in figure 1, gas extraction system includes the identical core steam vent of quantity 4 and the first external form steam vent 8, at least one second external form steam vent 6 and at least one second longitudinal exhaust passage 5.
Multiple core steam vent 4 longitudinal separations are arranged in the bottom of integral sand core 3, multiple first external form steam vent 8 longitudinal separations are arranged in the bottom of the groove of lower external form 1, the lower end docking of the core steam vent 4 that the upper end of each first external form steam vent 8 is corresponding, forms multiple first longitudinal exhaust passages of gas extraction system.
Second external form steam vent 6 is transversely arranged on the bottom of lower external form 1, and the second external form steam vent 6 connects with multiple first external form steam vents 8, and the outside of rapid shaping core is led at least one end of the second external form steam vent 6.As an embodiment, lower external form 1 is provided with two the second external form steam vents 6, and the outer end (i.e. port 7) of two the second external form steam vents 6 communicates with the outside of rapid shaping core.So, the gas that integral sand core produces in die cavity can be discharged from port 7 by core steam vent 4-the first external form steam vent 8-the second external form steam vent 6.
Preferably, as it is shown in figure 1, gas extraction system also includes at least one second longitudinal exhaust passage 5, second longitudinal exhaust passage 5 upwardly extends the top of supreme external form 2 from the middle part of the second external form steam vent 6.So, gas can be discharged from port 7 and second longitudinal exhaust passage 5.
Preferably, the port 7 of the second external form steam vent 6 is blocked, and is conducive to gas to discharge along second longitudinal exhaust passage 5.
In casting manual core making, modeling process, the layout of the exhaust passage being suitable for can be carried out according to the structure of core and sand mold, it is achieved exhaust passage through.
When making this gas extraction system, comprise the steps:
1) integral sand core is taken out from die cavity, use little drill bit to get out multiple core steam vent 4 bottom it.
2) upper and lower external form is bolted together, uses big drill bit to be drilled into downwards the bottom of lower external form 1 from upper external form 2, form second longitudinal exhaust passage 5；
3) upper external form 2 is hung out, lower external form 1 gets out the second external form steam vent 6；
4) position according to the core steam vent 4 bottom integral sand core 3, gets out the first external form steam vent 8 of correspondence in lower external form 1, drills through to the second external form steam vent 6；
5) blow clean the scattered sand in upper and lower external form steam vent, use the core sand being just blended to block the port 7 of the second external form steam vent 6；
6) around the docking location of each core steam vent 4, smear a circle viscose glue, play sealing function, it is prevented that molten iron enters steam vent and blocks exhaust passage and cause that aerofluxus is not smooth from core gap；
7) a circle joint sealing mud bar is all around gone up in the upper port of second longitudinal exhaust passage 5, it is prevented that in casting process, molten iron pours in down a chimney entrance core steam vent and blocks exhaust passage.
The gas that large part thick bottom integral sand core distributes in casting process can be discharged by this utility model in time, carries out the core poured into a mould especially with the flat mode of watering, effectively improves the exhaust effect of core, it is to avoid occurs feeling suffocated in type and the pore that causes；Also can flexible arrangement exhaust passage as the case may be, improve the exhaust efficiency of rapid shaping core.
The aforementioned description to specific illustrative embodiment of the present utility model illustrates that and the purpose of illustration.These describe and are not wishing to be defined to this utility model disclosed precise forms, and it will be apparent that according to above-mentioned instruction, it is possible to carry out much changing and change.Purpose exemplary embodiment selected and describe is in that to explain certain principles of the present utility model and practical application thereof, so that those skilled in the art is capable of and utilizes various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (3)
1. the gas extraction system of a rapid shaping core, described rapid shaping core includes external form, lower external form and integral sand core, the bottom surface of described upper external form and the end face of described lower external form are respectively equipped with groove, two described grooves form the die cavity of accommodating described integral sand core, it is characterized in that, described gas extraction system includes:
Multiple core steam vents, the plurality of core steam vent longitudinal separation is arranged in the bottom of described integral sand core；
Multiple first external form steam vents, described first external form steam vent longitudinal separation is arranged in the bottom of the groove of described lower external form, the quantity of described first external form steam vent is identical with the quantity of described core steam vent and position is corresponding, and described first external form steam vent and described core steam vent form first longitudinal exhaust passage of described gas extraction system；And
At least one second external form steam vent, described second external form steam vent is transversely arranged on the bottom of described lower external form, the outside of described rapid shaping core is led at least one end of described second external form steam vent, and described second external form steam vent connects with multiple described first external form steam vents.
2. the gas extraction system of rapid shaping core according to claim 1, it is characterized in that, described gas extraction system also includes at least one second longitudinal exhaust passage, and described second longitudinal exhaust passage extends upwardly to the top of described upper external form from the middle part of described second external form steam vent.
3. the gas extraction system of rapid shaping core according to claim 2, it is characterised in that the end leading to outside of described second external form steam vent is blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128257.XU CN205341824U (en) | 2016-02-19 | 2016-02-19 | Exhaust system of quick shaping psammitolite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128257.XU CN205341824U (en) | 2016-02-19 | 2016-02-19 | Exhaust system of quick shaping psammitolite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205341824U true CN205341824U (en) | 2016-06-29 |
Family
ID=56183721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620128257.XU Withdrawn - After Issue CN205341824U (en) | 2016-02-19 | 2016-02-19 | Exhaust system of quick shaping psammitolite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205341824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522117A (en) * | 2016-02-19 | 2016-04-27 | 广西玉柴机器股份有限公司 | Exhaust system for rapidly-molding sand core |
-
2016
- 2016-02-19 CN CN201620128257.XU patent/CN205341824U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522117A (en) * | 2016-02-19 | 2016-04-27 | 广西玉柴机器股份有限公司 | Exhaust system for rapidly-molding sand core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20180316 |