CN207043280U - A kind of automatically cleaning venting plug for casting core mould - Google Patents
A kind of automatically cleaning venting plug for casting core mould Download PDFInfo
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- CN207043280U CN207043280U CN201720759030.XU CN201720759030U CN207043280U CN 207043280 U CN207043280 U CN 207043280U CN 201720759030 U CN201720759030 U CN 201720759030U CN 207043280 U CN207043280 U CN 207043280U
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- filter screen
- venting plug
- automatically cleaning
- cylinder
- elastic filter
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Abstract
The utility model provides a kind of automatically cleaning venting plug for casting core mould, and the automatically cleaning venting plug includes elastic filter screen and cylinder, and the both ends of cylinder are respectively opening end and filter screen end；Elastic filter screen is installed on the filter screen end of cylinder；Elastic filter screen is provided with some steam vents；The thickness of elastic filter screen is 0.01 0.05 with diameter ratio.Venting plug of the present utility model can produce Light deformation under typical shooting pressure, store stress；After shooting pressure eliminates, stress release simultaneously recovers shape；The grains of sand on elastic filter screen surface and resin particle are shaken off during shape is recovered, so as to exclude the grains of sand and resin in steam vent, reach self-cleaning effect.Venting plug of the present utility model can self-cleaning be blocked in the grains of sand and resin in gas extraction system, not only reduce the cleaning frequency of venting plug, and improve service life.
Description
Technical field
It the utility model is related to a kind of automatically cleaning venting plug for casting core mould.
Background technology
Cast and refer to dissolving solid metallic into the casting mold for pouring into given shape for liquid, treat the processing side of its solidification forming
Formula.Can ingot metal have：Copper, iron, aluminium, tin, lead etc., in general mold material is roughing sand, eat soil, waterglass, resin and other are auxiliary
Help material.Core is a kind of common casting mold.
When core makes, due to cast-internal shape, the complexity of structure, cause the structure for producing the core of casting also complicated
Change, when producing core, the air at complicated place is difficult to discharge, and many occurs and is not easy to fill and is not easy release place,
Cause core production unqualified.At present, in order to improve the exhaust effect at core labyrinth, row has been used at complicated place
Vent plug, general venting plug are cylinder, and side is provided with multiple tracks exhaust rib on the cylinder, is spaced between exhaust rib and exhaust rib certain
Distance, form certain space, when producing core, air can from exhaust rib between interval in discharge, solve sand
The problem of core is not easy to fill.
Chinese patent 201620455389.3 discloses the venting plug used during a kind of casting sand core, its be arranged on core into
In the steam vent of pattern tool, one end of venting plug main body is opening, and the other end opens up multiple air discharge ducts, and air discharge duct and opening are even
Logical, opening connects with the steam vent of mould, is provided with frustum in the venting plug main body for open up air discharge duct one end, the axial direction of frustum and
The die sinking direction of core mould is consistent.
Chinese patent 200820186987.0 discloses a kind of venting plug, and its underpart is an annulus, is set above annulus
The parallel exhaust rib of multiple tracks is put, multiple tracks exhaust rib is spaced a distance between each other, and a circle is processed on multiple tracks exhaust rib
Hole.Rib is vented to be wide at the top and narrow at the bottom trapezoidal.Circular hole is concentric with annulus.
Chinese patent 200720186819.7, which discloses a kind of mould core cavity narrow positions that is used for, can not add venting plug, solve
Core locally penetrates discontented novel venting plug apparatus, and novel venting plug apparatus is made up of venting plug apparatus main body and venting plug.
Chinese patent 200810136437.2 discloses a kind of venting plug with jogger hole, and it includes venting plug body, row
The hole that push rod passes through can be held by being offered on vent plug body.It must be arranged when not only needing to set venting plug on same deep hole position
During push rod, venting plug is first put into mould, due to offering the hole that can hold push rod and pass through on venting plug body, led to push rod can be held
Load push rod in the hole crossed, when needing to eject core after the completion of penetrating sand, by push rod by motion is realized same upwards in hole
One position can be vented the function of and can ejection core.
Chinese patent 201020537979.3 discloses a kind of venting plug with centre bore, including venting plug cylinder and filtering
Guard, filtering screen are fixed on one end of cylinder, and filtering screen is provided centrally with centre bore.
Chinese patent 201120390384.4 discloses a kind of automobile engine cylinder-body sand core of water jacket mould venting plug, it
Including one the venting plug body with centre bore, diameter and the automobile engine cylinder-body sand core of water jacket of the centre bore of venting plug body
The diameter of the plunger tip bar of mould matches, and the upper surface of venting plug body is provided with multiple elongated air discharge ducts, and venting plug sheet
Body be provided with multiple elongated annular exhaust passages for being connected of exhaust trench bottoms, the longitudinal section of elongated air discharge duct for it is upper it is small under
Big trapezium structure.
The defects of above-mentioned technical proposal, is：During penetrating sand, venting plug easily blocks；Cause venting plug needs frequent
Cleaning, and service life is low.
Therefore, how providing one kind and can becoming industry with self-cleaning venting plug needs to solve the problems, such as.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model be to provide one kind can be with self-cleaning venting plug.
To achieve these goals, the utility model provides a kind of automatically cleaning venting plug for casting core mould,
The automatically cleaning venting plug includes elastic filter screen and cylinder, and the both ends of cylinder are respectively opening end and filter screen end；Elastic filter screen is installed
In the filter screen end of cylinder；Elastic filter screen is provided with some steam vents；The thickness of elastic filter screen and diameter ratio are 0.01-0.05.
Venting plug of the present utility model is installed on the particular/special requirement position of mould, and the wink of compressed air is provided during for penetrating sand
When be vented, to manufacture flawless core.
In the utility model, some steam vents are preferably the consistent circular hole of size, and it is uniform in elastic filter screen.
In the utility model, elastic filter screen possesses certain elasticity, can be during shape is recovered by elastic filter screen
The grains of sand and resin particle on surface are shaken off.
In the utility model, thickness and the diameter ratio of elastic filter screen are 0.01-0.05, and more than this scope, then rigidity is too high
Elasticity is too poor, and permanent deformation is then easily produced less than this scope.
In the utility model, the material of elastic filter screen is preferably 304 stainless steels.
Venting plug of the present utility model can under typical shooting pressure (4-6kg/cm2) Light deformation is produced, store stress；
After shooting pressure eliminates, stress release simultaneously recovers shape；By the grains of sand on elastic filter screen surface and tree during shape is recovered
Fat particle is shaken off, and so as to exclude the grains of sand and resin in steam vent, reaches self-cleaning effect.
Venting plug of the present utility model can self-cleaning be blocked in the grains of sand and resin in gas extraction system, the row of not only reducing
Vent plug the cleaning frequency (can by prior art the cleaning of 300 moulds once, improve to the cleaning of 500 moulds once), and improve and make
With life-span (25000 moulds can be promoted to by 8000 moulds of prior art).
Venting plug strong applicability of the present utility model, it can be used under different temperature ranges, dimensional accuracy is high, versatility
It is good, alternative existing mesh grid formula venting plug and slot type venting plug.
According to another embodiment of the utility model, the gross area of some steam vents accounts for elastic filter screen upper surface area
20%-30%.
According to another embodiment of the utility model, thickness and the diameter ratio of elastic filter screen are 0.02-0.03.
According to another embodiment of the utility model, automatically cleaning venting plug further comprises being used to limit elastic filter screen
The locating part of deflection；Locating part is located at the inside of cylinder, the inner side of elastic filter screen and close filter screen end；Locating part and elasticity
Gap is provided between filter screen.The effect of the locating part is to limit the deflection of elastic filter screen, to prevent elastic filter screen deflection from surpassing
Go out zone of reasonableness and produce permanent deformation.
According to another embodiment of the utility model, locating part includes at least one limited post；Cylinder includes outer barrel
Body and inner barrel, outer cylinder body are enclosed on outside inner barrel, and the filter screen end of inner barrel is provided with breach, the end insertion breach of limited post
It is interior.
According to another embodiment of the utility model, the end of limited post is all connected with the interior of (such as welding) cylinder
Wall.
According to another embodiment of the utility model, limited post be arranged in parallel with filter screen.
According to another embodiment of the utility model, the number of limited post is 1-4 bars；Adjacent limited post is mutually flat
OK.
According to another embodiment of the utility model, the number of limited post is at least 3, and at least 3 limited posts are in
Radial or netted setting.
According to another embodiment of the utility model, the gap between locating part and elastic filter screen is 0.5-1 millimeters.
According to another embodiment of the utility model, the outer surface waist of cylinder is provided with least one transverse concave groove,
If coordinating tension, the transverse concave groove can provide the yielding space of barrel distortion.
Compared with prior art, the utility model possesses following beneficial effect：
Venting plug of the present utility model can self-cleaning be blocked in the grains of sand and resin in gas extraction system, the row of not only reducing
The cleaning frequency of vent plug, and improve service life.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the automatically cleaning venting plug of embodiment 1；
Fig. 2 is the part-structure schematic diagram of the automatically cleaning venting plug of embodiment 1, and which show inner barrel and locating part；
Fig. 3 is another part structural representation of the automatically cleaning venting plug of embodiment 1, and which show inner barrel, outer cylinder body
And locating part.
Embodiment
Embodiment 1
As shown in Figure 1-Figure 3, a kind of automatically cleaning venting plug for casting core mould is present embodiments provided, is somebody's turn to do from clear
Clean venting plug includes elastic filter screen 1, cylinder 2, locating part 3, and the both ends of cylinder are respectively opening end and filter screen end；Elastic filter screen 1
It is installed on the filter screen end of cylinder 2；Elastic filter screen 1 is provided with some steam vents 101；The thickness of elastic filter screen 1 is with diameter ratio
0.02。
The material of elastic filter screen 1 is 304 stainless steels.As shown in figure 1, some steam vents 101 are the consistent circular hole of size, its
It is uniform in elastic filter screen 1.The gross area of some steam vents 101 accounts for the 25% of the upper surface area of elastic filter screen 1.
Locating part 3 is used to limit the deflection of elastic filter screen 1, its be located at the inside of cylinder 2, elastic filter screen 1 inner side and
Close to filter screen end；Gap is provided between locating part 3 and elastic filter screen 1, in the present embodiment, between locating part 3 and elastic filter screen 1
Gap is 1 millimeter, that is to say, that the maximum deformation quantity of elastic filter screen 1 is 1 millimeter.
As shown in Fig. 2-Fig. 3, in the present embodiment, locating part 3 includes two limited posts 301.Cylinder 2 includes outer cylinder body 201
With inner barrel 202, outer cylinder body 201 is enclosed on outside inner barrel 202, and the filter screen end of inner barrel 202 is provided with breach 203, limited post
In end insertion breach 203.
Limited post 301 be arranged in parallel with elastic filter screen 1, and two limited posts 301 are parallel to each other.
As shown in Figures 1 and 3, the outer surface waist of outer cylinder body 201 is provided with a transverse concave groove 204, if coordinating tension,
The transverse concave groove 204 can provide the yielding space of barrel distortion.
Embodiment 2
The present embodiment and the difference of embodiment 1 are：The thickness of elastic filter screen is 0.03 with diameter ratio；Locating part and bullet
Property filter screen between gap be 0.6 millimeter.The number of limited post is 3, and 3 limited posts are radially set.
Embodiment 3
The present embodiment and the difference of embodiment 1 are：The number of limited post is 4, and 4 limited posts are in netted setting.
The thickness of elastic filter screen is 0.04 with diameter ratio；Gap between locating part and elastic filter screen is 0.8 millimeter.
Finally, it should be noted that above example is only illustrating the technical solution of the utility model rather than to this reality
With the limitation of novel protected scope, although being explained in detail with reference to preferred embodiment to the utility model, this area it is common
It will be appreciated by the skilled person that the technical solution of the utility model can be modified or equivalent substitution, without departing from this reality
With the spirit and scope of new technique scheme.
Claims (10)
1. a kind of automatically cleaning venting plug for casting core mould, it is characterised in that the automatically cleaning venting plug includes elasticity
Filter screen and cylinder, the both ends of the cylinder are respectively opening end and filter screen end；The elastic filter screen is installed on the filter of the cylinder
Net end；The elastic filter screen is provided with some steam vents；The thickness of the elastic filter screen and diameter ratio are 0.01-0.05.
2. automatically cleaning venting plug as claimed in claim 1, it is characterised in that the gross area of some steam vents accounts for the bullet
The 20%-30% of property filter screen upper surface area.
3. automatically cleaning venting plug as claimed in claim 1, it is characterised in that the thickness of the elastic filter screen is with diameter ratio
0.02-0.03。
4. automatically cleaning venting plug as claimed in claim 1, it is characterised in that the automatically cleaning venting plug further comprises being used for
Limit the locating part of the elastic filter screen deflection；The locating part be located at the inside of the cylinder, the elastic filter screen it is interior
Side and the close filter screen end；Gap is provided between the locating part and the elastic filter screen.
5. automatically cleaning venting plug as claimed in claim 4, it is characterised in that the locating part includes at least one limited post；
The cylinder includes outer cylinder body and inner barrel, and the outer cylinder body is enclosed on outside the inner barrel, and the filter screen end of the inner barrel is set
Jagged, the end of the limited post is embedded in the breach.
6. automatically cleaning venting plug as claimed in claim 5, it is characterised in that the limited post be arranged in parallel with the filter screen.
7. automatically cleaning venting plug as claimed in claim 5, it is characterised in that the number of the limited post is 1-4 bars；Adjacent
The limited post is parallel to each other.
8. automatically cleaning venting plug as claimed in claim 7, it is characterised in that the number of the limited post is at least 3, at least
3 limited posts are radially or netted setting.
9. automatically cleaning venting plug as claimed in claim 4, it is characterised in that between the locating part and the elastic filter screen
Gap is 0.5-1 millimeters.
10. automatically cleaning venting plug as claimed in claim 1, it is characterised in that the outer surface waist of the cylinder is provided with least
One transverse concave groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720759030.XU CN207043280U (en) | 2017-06-20 | 2017-06-20 | A kind of automatically cleaning venting plug for casting core mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720759030.XU CN207043280U (en) | 2017-06-20 | 2017-06-20 | A kind of automatically cleaning venting plug for casting core mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207043280U true CN207043280U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720759030.XU Active CN207043280U (en) | 2017-06-20 | 2017-06-20 | A kind of automatically cleaning venting plug for casting core mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414030A (en) * | 2017-06-20 | 2017-12-01 | 珠海肯赛科有色金属有限公司 | A kind of automatically cleaning venting plug for casting core mould |
| CN108097886A (en) * | 2018-02-01 | 2018-06-01 | 成都桐林铸造实业有限公司 | Fill type resin sand mold and main core sand core |
-
2017
- 2017-06-20 CN CN201720759030.XU patent/CN207043280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414030A (en) * | 2017-06-20 | 2017-12-01 | 珠海肯赛科有色金属有限公司 | A kind of automatically cleaning venting plug for casting core mould |
| CN108097886A (en) * | 2018-02-01 | 2018-06-01 | 成都桐林铸造实业有限公司 | Fill type resin sand mold and main core sand core |
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Addressee: Zhuhai Ken SECCO nonferrous Pioneer Metals Corporation Document name: Notification to Go Through Formalities of Registration |
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| GR01 | Patent grant | ||
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Addressee: Zhuhai Ken SECCO nonferrous Pioneer Metals Corporation Document name: Notification to Pay the Fees |
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