CN203541446U - Novel riser neck-down sheet - Google Patents
Novel riser neck-down sheet Download PDFInfo
- Publication number
- CN203541446U CN203541446U CN201320562920.3U CN201320562920U CN203541446U CN 203541446 U CN203541446 U CN 203541446U CN 201320562920 U CN201320562920 U CN 201320562920U CN 203541446 U CN203541446 U CN 203541446U
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- China
- Prior art keywords
- riser
- tube part
- cylindrical tube
- down sheet
- neck
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- Expired - Lifetime
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Abstract
The utility model relates to a novel riser neck-down sheet. The riser neck-down sheet is of a tubular structure, and is composed of a cylindrical tube part and a conical tube part which are connected in an up-and-down mode; the riser neck-down sheet is characterized in that the upper end of the cylindrical tube part is provided with multiple openings arranged along the circumferential direction. According to the riser neck-down sheet disclosed by the utility model, because the cylindrical tube part of the riser neck-down sheet is provided with multiple openings, the part has certain contraction and expansion elasticity, so that when the riser neck-down sheet is connected with a riser in an inserting manner, under the extrusion action of the inner cavity of the riser with a certain pattern draft, the cylindrical tube part has elastic deformation, and is contracted to the center, and then a wedged matching structure is formed between the riser and the cylindrical tube part. Because the wedged matching structure is adopted, axial self-positioning is formed, so that a sand rib is not required to be arranged on the wall of the inner cavity of the riser, and then the removal of molding sand on the wall of the inner cavity of the riser by shoveling is also avoided. The wedged matching structure also ensure the connection coaxiality of the riser neck-down sheet and the riser, so that the condition that the riser tilts in the process of compacting a sand mould is avoided.
Description
Technical field
The utility model relates to casting technology field, particularly a kind of Novel riser cameron core.
Background technology
When Foundry Production, for avoiding foundry goods to occur the defects such as shrinkage porosite, shrinkage cavity, simultaneously for ease of exhaust and collection slag, conventionally above foundry goods die cavity or sidepiece rising head 2 is set.In casting process, storage liquid metal feeding liquid in the die cavity of rising head, the operative liquid metal feeding liquid of storing can recharge in foundry goods die cavity in the cooling process of foundry goods, do not recharge metal feeding liquid in foundry goods die cavity after foundry goods is cooling, form the casting pressing port being connected with foundry goods body.For ease of casting the separation of rear casting pressing port and foundry goods body, in the process of avoiding separating at both, destroy foundry goods body, conventionally between rising head and foundry goods die cavity, riser pad is further set.Riser pad makes foundry goods body and casting pressing port form necking down structure at connecting portion, also claims easy scarfing, has reduced connection area between the two.
At present, common riser pad is thin cylindric riser pad, is provided with the liquid-through hole that is unidirectional contraction-like or way contracting shape thereon, sees Fig. 3.In the process of casting pouring condensation, in liquid-through hole position, form riser neck.This kind of riser pad 1 ' made by molding sand or ceramic material conventionally, and it is pressed in the lower end of rising head 2 in use.The problem that this kind of riser pad in use exists is: penetrating after sand molding, while pushing sand mold by squeeze board 3, riser pad easily breaks or be broken, thereby causes the problem that follow-up molding is bad or foundry goods is difficult to cleaning.
Except the riser pad of above-mentioned shape, also has a kind of tubulose riser pad of being made by metal material.This kind of riser pad 2 " by the cylindrical tube part connecting up and down and tapered tube shape part, formed, see Fig. 4.When it uses, the cylindrical tube partial insertion of upper end is in the inner chamber of rising head 2.Position near upper end on the internal chamber wall of rising head is provided with several sand ribs 21 that are uniformly distributed along the circumference.The effect of sand rib is to realize the location of riser pad along its axial direction.The problem that this kind of riser pad in use exists is:
1, penetrating after sand molding, while pushing sand mold by squeeze board 3, riser pad can shovel part sand rib, if the sand grains that shovel falls is not cleaned out in time, easily enters in casting mold die cavity, and causes foundry goods to occur the defect of sand holes and pore causing foundry goods to be scrapped.
2, the inner chamber of rising head is provided with pattern draft, and riser pad upper end is cylindric, the axiality that both plug-in mountings coordinate is poor, therefore when squeeze board pushes sand mold, and the easy run-off the straight of rising head, and cause when casting, occur that feeding is bad, in addition, due to rising head run-off the straight, cause the backstay being inserted in rising head also to tilt or bending, and cause molding bad.
Summary of the invention
The utility model provides a kind of axiality that guarantees that riser pad is connected with rising head plug-in mounting for solving the technical problem existing in known technology, in the process of compacting sand mold, avoid rising head run-off the straight, the Novel riser cameron core of simultaneously avoiding the molding sand on rising head internal chamber wall to be shoveled.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is:
A kind of Novel riser cameron core, described riser pad is tubular structure, it consists of the cylindrical tube part connecting up and down and conical tube part, it is characterized in that: the upper end of described cylindrical tube part is provided with several openings of along the circumferential direction arranging.
The utility model also take the technical scheme taked as:
Being shaped as of described opening: trapezoidal, square, U-shaped or V-type.
The dual-side of opening is connected by arc transition with the corresponding part of the upper surface of cylindrical tube part.
Advantage and the good effect that the utlity model has are:
The utility model arranges several openings in the cylindrical tube part of existing tubulose riser pad, make this part there is certain contraction and dilatational elasticity, cause when riser pad is connected with rising head plug-in mounting, under the squeezing action of rising head inner chamber with certain pattern draft, cylindrical tube part generation strain, to center, draw in, make to form wedge type fit structure between the two.Owing to adopting above-mentioned wedge-like engagement structure, form axially self-alignly, therefore need on the internal chamber wall of rising head, not be provided with sand rib, and then avoid the molding sand on rising head internal chamber wall to be shoveled yet.This wedge-like engagement structure has also guaranteed the axiality that both connect simultaneously, in the process of compacting sand mold, has avoided rising head run-off the straight.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is use state reference map of the present utility model;
Fig. 3 is the use state reference map of existing thin cylindric riser pad;
Fig. 4 is the use state reference map of existing tubulose riser pad.
In figure: 1, riser pad; 1 ', riser pad; 1 ", riser pad; 11, circular cylinder shaped portion; 111, opening; 12, coniform part; 2, rising head; 21, sand rib; 3, squeeze board.
The specific embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1-2, a kind of Novel riser cameron core, described riser pad 1 is tubular structure, it consists of the cylindrical tube part 11 connecting up and down and conical tube part 12.The upper end of described cylindrical tube part is provided with several openings 111 of along the circumferential direction arranging.
In said structure, that the shape of described opening can adopt is trapezoidal, the common shape of square, U-shaped or V-type.
In said structure, the dual-side of opening is further connected by arc transition with the corresponding part of the upper surface of cylindrical tube part.This arc transition syndeton has avoided operator injured when assembling on the one hand; While further having guaranteed that on the other hand riser pad is inserted into the inner chamber of rising head, the molding sand on rising head internal chamber wall is not scraped.
The foregoing is only the better example of executing of the present utility model, be not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all fall into technical scope of the present utility model.
Claims (3)
1. a Novel riser cameron core, described riser pad is tubular structure, it consists of the cylindrical tube part connecting up and down and conical tube part, it is characterized in that: the upper end of described cylindrical tube part is provided with several openings of along the circumferential direction arranging.
2. Novel riser cameron core according to claim 1, is characterized in that: being shaped as of described opening: trapezoidal, square, U-shaped or V-type.
3. Novel riser cameron core according to claim 1 and 2, is characterized in that: the dual-side of opening is connected by arc transition with the corresponding part of the upper surface of cylindrical tube part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562920.3U CN203541446U (en) | 2013-09-11 | 2013-09-11 | Novel riser neck-down sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562920.3U CN203541446U (en) | 2013-09-11 | 2013-09-11 | Novel riser neck-down sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203541446U true CN203541446U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320562920.3U Expired - Lifetime CN203541446U (en) | 2013-09-11 | 2013-09-11 | Novel riser neck-down sheet |
Country Status (1)
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| CN (1) | CN203541446U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104815963A (en) * | 2015-04-24 | 2015-08-05 | 南通华东油压科技有限公司 | Low-strength heating riser for 4WEH16 valve molding line |
| WO2016049950A1 (en) * | 2014-09-30 | 2016-04-07 | 济南圣泉倍进陶瓷过滤器有限公司 | Feeding device and system and high pressure moulding method |
| CN107921526A (en) * | 2015-09-02 | 2018-04-17 | 福塞科国际有限公司 | Feeder system |
| US10500634B2 (en) | 2015-09-02 | 2019-12-10 | Foseco International Limited | Feeder system |
| CN111283143A (en) * | 2020-03-19 | 2020-06-16 | 山东春秋新材料股份有限公司 | Combined type easily-cut piece |
| CN113474103A (en) * | 2019-02-19 | 2021-10-01 | 凯美克斯铸造解决方案有限责任公司 | One-piece riser body for use in metal casting |
-
2013
- 2013-09-11 CN CN201320562920.3U patent/CN203541446U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016049950A1 (en) * | 2014-09-30 | 2016-04-07 | 济南圣泉倍进陶瓷过滤器有限公司 | Feeding device and system and high pressure moulding method |
| CN105522115A (en) * | 2014-09-30 | 2016-04-27 | 济南圣泉倍进陶瓷过滤器有限公司 | Feeding device and system and high pressure modeling method |
| CN105522115B (en) * | 2014-09-30 | 2017-12-19 | 济南圣泉倍进陶瓷过滤器有限公司 | Feeding device and system and high pressure moulding method |
| CN104815963A (en) * | 2015-04-24 | 2015-08-05 | 南通华东油压科技有限公司 | Low-strength heating riser for 4WEH16 valve molding line |
| CN107921526A (en) * | 2015-09-02 | 2018-04-17 | 福塞科国际有限公司 | Feeder system |
| US10500634B2 (en) | 2015-09-02 | 2019-12-10 | Foseco International Limited | Feeder system |
| US10639706B2 (en) | 2015-09-02 | 2020-05-05 | Foseco International Limited | Feeder system |
| CN113474103A (en) * | 2019-02-19 | 2021-10-01 | 凯美克斯铸造解决方案有限责任公司 | One-piece riser body for use in metal casting |
| CN111283143A (en) * | 2020-03-19 | 2020-06-16 | 山东春秋新材料股份有限公司 | Combined type easily-cut piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |