CN205254041U - A combination formula mould that insulates against heat for casting wear -resisting ring blank - Google Patents
A combination formula mould that insulates against heat for casting wear -resisting ring blank Download PDFInfo
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- CN205254041U CN205254041U CN201520901319.1U CN201520901319U CN205254041U CN 205254041 U CN205254041 U CN 205254041U CN 201520901319 U CN201520901319 U CN 201520901319U CN 205254041 U CN205254041 U CN 205254041U
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Abstract
The utility model belongs to automobile parts casting mould field relates to wear -resisting ring, especially relates to a combination formula mould that insulates against heat for casting wear -resisting ring blank. The drill die comprises a die body, sleeve and base that the mould body set up including the cooperation, can dismantle fixed connection between sleeve and the base. Compared with the prior art, the utility model discloses an advantage lies in with positive effect, the utility model discloses utilize the base characteristics not fragile than the sleeve, the mould split of integration that will be original becomes sleeve and base two parts, has reduced a whole set of spoilage, and then the manufacturing cost of the mould that reduces, simultaneously, utilizes the design of annular slot and bottom slot, and the effectual widely different technical problem of blank hardness that has solved has improved the yield, and then has improved the productivity effect.
Description
Technical field
The utility model belongs to auto parts and components casting mould field, relates to abrasion-proof inserted ring, relates in particular to a kind of combined heat-insulated mould for casting wear-resistant edge circle blank.
Background technology
Abrasion-proof inserted ring is nickelic wear resistant cast iron material, for engine piston, in the time of aluminium casting for piston, is cast in it, and when piston movement, abrasion-proof inserted ring and piston ring form friction pair, improves piston abrasion-proof, extends piston service life.
Existing abrasion-proof inserted ring generally all adopts centrifugal casting, operator is in the time of casting, first the molten iron of 1450 DEG C of left and right is injected to mould, the cooling procedure of molten iron in mould generally all followed water cooling, and therefore abrasion-proof inserted ring casting mould is accompanied by the injection of molten iron and cooling, constantly expands and shrinks, therefore hold very much and produce be full of cracks, cause mould to scrap, the life-span of casting mould can be different because of the difference of used material, but can be not oversize.
Meanwhile, the fixed form of casting mould on centrifuge is cantilever design, is connected with the terminal pad on centrifuge by mould back seat with bolt. when centrifuge running, speed is generally 1500 revs/min of left and right, and rotating speed is higher, and centrifugal force is very large, and for ensureing safety, mould back seat is all thicker large. thick large mould back seat heat-transfer rate in the water-cooled process of iron is very fast, be equivalent to the effect of a chill, contact with mould back seat like this and very fast with the molten iron cooling velocity at the approaching position of back seat, and mould middle part and anterior molten iron cooling velocity are slow, cooling velocity before and after mould differs greatly like this, and the speed of molten iron cooling velocity is the important parameter that affects abrasion-proof inserted ring hardness, therefore, in this case, before blank, the difference of hardness of posterior part is very large, especially the fast rear end of cooling velocity, hardness is higher, be easy to exceed client's requirement and cause product defective and scrap, therefore can produce very large quality cost.
Utility model content
Blank nonhomogeneous hardness that the utility model is fragile for above-mentioned mould, produce is large, be easy to cause the technical problems such as product is defective, proposition one is reasonable in design, simple in structure, with low cost and can reduce mould spoilage, the combined heat-insulated mould for casting wear-resistant edge circle blank that yield rate is high.
In order to achieve the above object, the technical solution adopted in the utility model is, the utility model provides a kind of combined heat-insulated mould for casting wear-resistant edge circle blank, comprise die ontology, described die ontology comprises the sleeve and the base that are equipped with, between described sleeve and base, is detachably fixedly connected with.
As preferably, on described base, be provided with ring-shaped groove, described ring-shaped groove is arranged on the periphery of sleeve lateral wall, and described ring-shaped groove is filled with heat insulating mattress.
As preferably, on described base, be also provided with undercut, described undercut is arranged on the below of sleeve, is filled with annular heat insulating mattress in described undercut.
As preferably, described sleeve is upper and lower both ends open structure, on described base, is provided with push-plate, between described push-plate and base, is flexibly connected, and the top of described sleeve is provided with upper cover.
As preferably, the material of described heat insulating mattress and annular heat insulating mattress is asbestos.
As preferably, between described sleeve and base, be bolted to connection.
Compared with prior art, advantage of the present utility model and good effect be,
The utility model utilizes base compared with the non-damageable feature of sleeve, original integrated mould is split into sleeve and base two parts, reduce a whole set of spoilage, and then the production cost of the mould reducing, meanwhile, utilize the design of ring-shaped groove and undercut, effectively solved the large technical problem of blank nonhomogeneous hardness, improve yield rate, and then improved productivity effect.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the combined heat-insulated mould for casting wear-resistant edge circle blank that Fig. 1 provides for embodiment 1;
The structural representation of the combined heat-insulated mould (base is separated with sleeve) for casting wear-resistant edge circle blank that Fig. 2 provides for embodiment 1;
Above in each figure, 1, die ontology; 2, base; 3, sleeve; 4, ring-shaped groove; 5, undercut; 6, heat insulating mattress; 7, annular heat insulating mattress; 8, upper cover; 9, push-plate; 10, bolt.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with drawings and Examples, the utility model is described further. It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the utility model, but, the utility model can also adopt and be different from other modes described here and implement, and therefore, the utility model is not limited to the restriction of the specific embodiment of prospectus below.
Embodiment 1, as shown in Figure 1 and Figure 2, the present embodiment provides a kind of combined heat-insulated mould for casting wear-resistant edge circle blank, comprise die ontology 1, the shape of producing used mould in the shape of die ontology 1 and prior art is without any difference, in the present embodiment, by separately two the cooperatively interact sleeve 3 and the bases 2 that arrange of die ontology 1, between sleeve 3 and base 2, be detachably fixedly connected with.
In actual production application, because the base portion of traditional mould is guarantee safety, mould back seat (is in the present embodiment, the base of explaining) all thicker large, therefore in actual production, it is difficult for causing damaging because of the reason of expanding with heat and contract with cold, the sleeve part that still explained in the present embodiment in the main place of damaging, therefore in the present embodiment, die ontology 1 is divided into sleeve 3 and the base 2 of the setting removably connecting, when concrete use, in the time that sleeve 3 parts produce be full of cracks along with the use of mould, itself and base 2 parts are taken apart, the sleeve of be full of cracks 3 is scrapped, and base 2 parts are connected with new sleeve 3, reuse. when so each sleeve 3 produces be full of cracks, only change sleeve 3 parts, base 2 parts are reusable. because sleeve 3 part-structures are simple, easily processing, therefore cost is very low, has so just significantly reduced the cost of use of whole abrasion-proof inserted ring casting mould.
In order to reduce the large problem of difference of hardness of posterior part before blank, especially the fast problem of base portion cooling velocity, in the present embodiment, on base 2, be provided with ring-shaped groove 4, ring-shaped groove 4 is arranged on the periphery of sleeve 3 sidewalls, ring-shaped groove 4 is specifically arranged on the junction of base 2 and sleeve 3, be arranged on the periphery of sleeve 3 bottom sidewalls, ring-shaped groove 4 is filled with heat insulating mattress 6, by such setting, be filled with heat insulating mattress 6 at ring-shaped groove 4, make the molten iron of close base 2 parts in blank when cooling, its heat is intercepted by heat insulating mattress 6, just reduced its cooling velocity, make blank approach cooling velocity and the blank middle part of the molten iron of base 2 parts, the cooling velocity on top approaches, like this on blank, in, the difference of hardness of lower part is very little, within thereby the hardness at any position of blank can both be controlled at the scope of requirement easily, improve product quality, reduce production cost.
For the better molten iron that reduces the close base portion in blank is in cooling velocity, in the present embodiment, on base 2, be also provided with undercut 5, undercut 5 is arranged on the below of sleeve 3, is filled with annular heat insulating mattress 7 in undercut 5. By the bottom at sleeve 3, annular heat insulating mattress 7 is set equally, and then the reduction of a nearlyer step molten iron of close base 2 parts in blank in cooling velocity, the cooling velocity of other positions of itself and blank is consistent, and then has improved the quality of product, improved yield rate.
In order to facilitate the taking-up of blank after casting completes, in the present embodiment, sleeve 3 is designed to upper and lower both ends open structure, sleeve 3 is communicated with base 2, on base 2, be provided with push-plate 9, between push-plate 9 and base 2, be flexibly connected, in the present embodiment, by push-plate 9 be arranged on obtain after having cast blank under, be provided with upper cover 8 at the top of sleeve 3, upper cover 8 is except ensureing the sealing of whole die ontology 1, also facilitate the taking-up of the blank in later stage, after blank has been cast, promote push-plate 9 (the reserved relevant hole that pushes away on base, in figure, do not mark), blank is outwards moved, the design of push-plate 9 not only facilitates the taking-up of blank, simultaneously, also can protection sleeve 3, reduce the infringement to sleeve 3.
In order to improve the effect of heat insulation of heat insulating mattress 6 and annular heat insulating mattress 7, in the present embodiment, the material of heat insulating mattress 6 and annular heat insulating mattress 7 all adopts asbestos, the main cause of selecting asbestos is to utilize its extremely fireproof, electrical insulating property and thermal insulation, can effectively reduce the cooling velocity of base portion, and then better ensure the consistent of cooling velocity.
In order to facilitate the dismounting between sleeve 3 and base 2, in the present embodiment, between sleeve 3 and base 2, be fixedly connected with by bolt 10, in the present embodiment, bolt 10 is for vertically arranging, and it is arranged on the below of sleeve, and then facilitates the dismounting of whole die ontology.
The above; it is only preferred embodiment of the present utility model; it is not the restriction of the utility model being made to other form; the equivalent embodiment that any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as equivalent variations is applied to other field; but every technical solutions of the utility model content that do not depart from; any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (6)
1. for a combined heat-insulated mould for casting wear-resistant edge circle blank, comprise die ontology, its featureBe, described die ontology comprises the sleeve and the base that are equipped with, detachably solid between described sleeve and baseFixed connection.
2. the combined heat-insulated mould for casting wear-resistant edge circle blank according to claim 1, its spyLevy and be, on described base, be provided with ring-shaped groove, described ring-shaped groove is arranged on the periphery of sleeve lateral wall, instituteState ring-shaped groove and be filled with heat insulating mattress.
3. the combined heat-insulated mould for casting wear-resistant edge circle blank according to claim 2, its spyLevy and be, be also provided with undercut on described base, described undercut is arranged on the below of sleeve, described inIn undercut, be filled with annular heat insulating mattress.
4. the combined heat-insulated mould for casting wear-resistant edge circle blank according to claim 3, its spyLevy and be, described sleeve is upper and lower both ends open structure, on described base, is provided with push-plate, described push-plate and the endBetween seat, be flexibly connected, the top of described sleeve is provided with upper cover.
5. the combined heat-insulated mould for casting wear-resistant edge circle blank according to claim 4, its spyLevy and be, the material of described heat insulating mattress and annular heat insulating mattress is asbestos.
6. the combined heat-insulated mould for casting wear-resistant edge circle blank according to claim 5, its spyLevy and be, between described sleeve and base, be bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901319.1U CN205254041U (en) | 2015-11-12 | 2015-11-12 | A combination formula mould that insulates against heat for casting wear -resisting ring blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901319.1U CN205254041U (en) | 2015-11-12 | 2015-11-12 | A combination formula mould that insulates against heat for casting wear -resisting ring blank |
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| Publication Number | Publication Date |
|---|---|
| CN205254041U true CN205254041U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520901319.1U Active CN205254041U (en) | 2015-11-12 | 2015-11-12 | A combination formula mould that insulates against heat for casting wear -resisting ring blank |
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| CN (1) | CN205254041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344943B (en) * | 2015-11-12 | 2019-04-23 | 滨州市正道机械制造有限公司 | Combined heat-insulated mold for casting wear-resistant insert blank |
-
2015
- 2015-11-12 CN CN201520901319.1U patent/CN205254041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344943B (en) * | 2015-11-12 | 2019-04-23 | 滨州市正道机械制造有限公司 | Combined heat-insulated mold for casting wear-resistant insert blank |
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