CN202683940U - Iron type sanding casting ball mould - Google Patents
Iron type sanding casting ball mould Download PDFInfo
- Publication number
- CN202683940U CN202683940U CN 201220369569 CN201220369569U CN202683940U CN 202683940 U CN202683940 U CN 202683940U CN 201220369569 CN201220369569 CN 201220369569 CN 201220369569 U CN201220369569 U CN 201220369569U CN 202683940 U CN202683940 U CN 202683940U
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- sand
- mould
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- cast gate
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Abstract
The utility model discloses an iron type sanding casting ball mould and belongs to the field of a molding mould. The iron type sanding casting ball mould comprises a main body, wherein a cavity is arranged in the main body; a pouring port is arranged on the cavity; a sanding layer is arranged on an inner surface of the cavity; and the thickness of the sanding layer is gradually reduced from the periphery of the pouring port to the part away from the pouring port. According to the iron type sanding casting ball mould, the thickness of the sanding layer is gradually reduced from the periphery of the pouring port to the part away from the pouring port, so that the dosage of the coating sand is saved and is reduced by 1/2-2/3 of the dosage of the coating sand of the present mould free from cavity processing; the sequential solidification of a ball mill is realized by the mould; the shrinkage porosity of an inner shrinking hole of the ball mill is avoided; the product quality is increased; the sanding layer of the mould is thinner; and the surface hardness of the product is higher and is close to the surface hardness of a metal product.
Description
Technical field
The utility model relates to the mold for forming field, relates in particular to a kind of automation or machinery casting grinding ball production of being mainly used in, for the production of the Iron Mould Coated Sand Mould for casting ball of high-quality cast grinding ball.
Background technology
Mould is to produce the indispensable equipment of abrading-ball, and traditional metal type dies is mainly used in handwork.Mould on existing automation or the machinery casting grinding ball production, although also be the Iron Mould Coated Sand mould, as shown in Figure 1, but mold cavity 2 is not processed, be the cast blank face, black skin has high point that low spot is arranged again, and is complete in order to guarantee that the abrading-ball die cavity covers layer of sand 3, it is all thicker to cover layer of sand 3, be generally 4～8 millimeters, increased the precoated sand consumption, and it be irregular to cover sand layer thickness, be unfavorable for the abrading-ball order of crystallization, affect product quality.
The utility model content
Based on the problem of above-mentioned prior art, the utility model provides a kind of Iron Mould Coated Sand Mould for casting ball, and it is large to solve present Iron Mould Coated Sand Mould for casting ball precoated sand consumption, is unfavorable for the abrading-ball order of crystallization, affects the problem of product quality.
By the above-mentioned technical problem of following solution:
The utility model provides a kind of Iron Mould Coated Sand Mould for casting ball, comprise: body, be provided with die cavity in the body, die cavity is provided with cast gate, the die cavity inner surface is provided with and covers layer of sand, and the described thickness that covers layer of sand is: extremely reduce gradually away from the thickness that covers layer of sand of cast gate on every side from cast gate.
In the above-mentioned mould, described cover around the cast gate in the layer of sand to cover sand layer thickness the thickest.
In the above-mentioned mould, the sand layer thickness that covers around the described cast gate is 4 millimeters.
In the above-mentioned mould, described cover in the layer of sand away from gate location to cover sand layer thickness the thinnest.
In the above-mentioned mould, the described sand layer thickness that covers away from gate location is 2 millimeters.
In the above-mentioned mould, described is 3 millimeters away from the sand layer thickness that covers of cast gate middle part extremely from cast gate on every side.
The beneficial effects of the utility model are: precoated sand thickness is extremely reduced away from cast gate around cast gate gradually, saved the consumption of precoated sand, the mould precoated sand consumption of not processing than existing die cavity has reduced 1/2～2/3; This mould has been realized the consecutive solidification of abrading-ball, has avoided abrading-ball internal shrinkage shrinkage porosite, has improved product quality.It is thinner that this mould covers layer of sand, and product surface hardness is higher to be approached with metal mold.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The mould schematic diagram that Fig. 1 provides for prior art;
The mould schematic diagram that Fig. 2 provides for the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills belong to protection domain of the present utility model not making the every other embodiment that obtains under the creative work prerequisite.
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
As shown in Figure 2, the utility model provides a kind of Iron Mould Coated Sand Mould for casting ball, comprise: body 21, be provided with die cavity 22 in the body 21, die cavity 22 is provided with cast gate 23, die cavity 22 inner surfaces are provided with and cover layer of sand 24, and the described thickness that covers layer of sand 24 is: layer of sand 241 to the thickness that covers layer of sand 242 away from cast gate (apart from the cast gate farthest) that covers around cast gate 23 reduces gradually.
In the above-mentioned mould, cover around the cast gate in the layer of sand 24 to cover layer of sand 241 thickness the thickest.
In the above-mentioned mould, layer of sand 241 thickness that cover around the cast gate are 4 millimeters.
In the above-mentioned mould, cover in the layer of sand 24 away from gate location to cover layer of sand 242 thickness the thinnest.
In the above-mentioned mould, be 2 millimeters away from layer of sand 242 thickness that cover of gate location, namely layer of sand 242 thickness that cover apart from cast gate 23 farthest are 2 millimeters.
In the above-mentioned mould, it is 3 millimeters away from layer of sand 243 thickness that cover of cast gate middle part extremely on every side from cast gate.
The quality of abrading-ball quality determines that by the layer of sand that covers of Iron Mould Coated Sand mould it is blocked up to cover layer of sand, not only increases sand using amount, increases cost, also can produce a large amount of gas, and gas infiltrates abrading-ball and forms subcutaneous blowhole, affects mill ball quality.Blocked up cover the setting rate that layer of sand has reduced abrading-ball, reduce abrading-ball hardness, also can cause simultaneously the inner shrinkage cavity and porosity that produces of abrading-ball, strengthen broken probability.
For so that abrading-ball consecutive solidification in mold cavity, the thickness that covers layer of sand must be different, should be as far as possible thin away from the sand layer thickness that covers of gate location, it is faster to cover the thinner molten steel solidification of layer of sand, around the cast gate to cover layer of sand the thickest, molten iron is the thickest to be solidified, the centre is transition successively.
In the reality layer of sand that covers of Iron Mould Coated Sand Mould for casting ball die cavity being processed, is the ellipse of rule after the mold cavity processing, and it is 2 millimeters that casting mold cast gate distal-most end is covered layer of sand, covers sand layer thickness to the cast gate progressive additive, and gate location is the thickest to be 4 millimeters.The whole processing molds of die cavity cover mould that the Thickness Ratio die cavity of layer of sand do not process and cover sand layer thickness and reduced 1/2-2/3.Cover the gradually transition of sand layer thickness, guaranteed the consecutive solidification of abrading-ball, improved product quality.
This mould has been saved the consumption of precoated sand, than die cavity not processing mold precoated sand consumption reduced 1/2-2/3; Realize the consecutive solidification of abrading-ball, avoided abrading-ball internal shrinkage shrinkage porosite, improved product quality; Since mould to cover layer of sand thinner, product surface hardness is higher to be approached with metal mold.
The mould that the utility model provides by the suitable sand layer thickness that covers is set, has not only reduced the consumption of precoated sand, has reduced cost, also helps the abrading-ball rapid solidification, improves the hardness of abrading-ball.In order to obtain the abrading-ball of dense internal organization, abrading-ball must be followed the principle of solidifying in proper order on solidification mode, and namely the part of cast gate distal-most end is solidified at first, successively transition from the distal-most end to the cast gate, cast gate place final set, thus can guarantee that Feeding channel is smooth and easy, abrading-ball dense structure.
It more than is preferred embodiment of the present utility model; protection domain of the present utility model is not limited to these embodiment; be familiar with those skilled in the art in the utility model discloses technical scope, the variation that can expect easily and replacement all are encompassed in the utility model protection domain.Therefore, the utility model protection domain should be as the criterion with the protection domain of claims.
Claims (6)
1. an Iron Mould Coated Sand Mould for casting ball is characterized in that, comprising: body, be provided with die cavity in the body, die cavity is provided with cast gate, and the die cavity inner surface is provided with and covers layer of sand, and the described thickness that covers layer of sand is: extremely reduce gradually away from the thickness that covers layer of sand of cast gate on every side from cast gate.
2. described mould according to claim 1 is characterized in that, described cover in the layer of sand around the cast gate to cover sand layer thickness the thickest.
3. described mould according to claim 1 and 2 is characterized in that, the sand layer thickness that covers around the described cast gate is 4 millimeters.
4. described mould according to claim 1 is characterized in that, described cover in the layer of sand away from gate location to cover sand layer thickness the thinnest.
5. according to claim 1 or 4 described moulds, it is characterized in that the described sand layer thickness that covers away from gate location is 2 millimeters.
6. described mould according to claim 1 is characterized in that, described from around the cast gate to the sand layer thickness that covers away from the cast gate middle part be 3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220369569 CN202683940U (en) | 2012-07-30 | 2012-07-30 | Iron type sanding casting ball mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220369569 CN202683940U (en) | 2012-07-30 | 2012-07-30 | Iron type sanding casting ball mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683940U true CN202683940U (en) | 2013-01-23 |
Family
ID=47539612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220369569 Expired - Fee Related CN202683940U (en) | 2012-07-30 | 2012-07-30 | Iron type sanding casting ball mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202683940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506585A (en) * | 2013-10-17 | 2014-01-15 | 西峡县众德汽车部件有限公司 | Shape following device and iron die sand coating process |
| CN108746498A (en) * | 2018-08-27 | 2018-11-06 | 湖北美利林科技有限公司 | High ferro water use efficiency device for sand coated iron mould abrading-ball template |
-
2012
- 2012-07-30 CN CN 201220369569 patent/CN202683940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506585A (en) * | 2013-10-17 | 2014-01-15 | 西峡县众德汽车部件有限公司 | Shape following device and iron die sand coating process |
| CN108746498A (en) * | 2018-08-27 | 2018-11-06 | 湖北美利林科技有限公司 | High ferro water use efficiency device for sand coated iron mould abrading-ball template |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150730 |
|
| EXPY | Termination of patent right or utility model |