CN2350148Y - Mould for casting brake drum of car - Google Patents
Mould for casting brake drum of car Download PDFInfo
- Publication number
- CN2350148Y CN2350148Y CN 98216428 CN98216428U CN2350148Y CN 2350148 Y CN2350148 Y CN 2350148Y CN 98216428 CN98216428 CN 98216428 CN 98216428 U CN98216428 U CN 98216428U CN 2350148 Y CN2350148 Y CN 2350148Y
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Abstract
The utility model relates to a mould for casting a brake drum of a car, belonging to the technical field of machine casting. A convex metallic inner mould is arranged in a concave metallic outer mould, and a hollow chamber having a definite shape is formed between the convex metallic inner mould and the concave metallic outer mould. A formed sand layer is coated on the outer convex surface of the convex metallic inner mould, and the top part of the concave metallic outer mould is provided with at least one through hole. The concave metallic outer mould is composed of a metallic outer mould body and a metallic outer mould positioning mould seat, and at least one positioning board is arranged out of the interfaces of the metallic outer mould body and the metallic outer mould positioning mould seat. The utility model having the advantages of artful structure and simple and safe use can reduce three times of time for producing the brake drum of the car, and the utility model is a novel casting mould for manufacturing the brake drum of the car.
Description
The utility model relates to a kind of novel casting and mould of making automobile brake drum, belongs to the machine casting field.
Foundry industry is an ancient industry, and it is to be die holder with ground, and adopting the loam core is interior stock mould, type sand in the sandbox is outer shaper, leaves the definite shape cavity between interior stock mould and the outer stock mould, and cast gate and rising head are opened in the husky top of type, molten iron is poured in the die cavity from cast gate, the cooling aftershaping.The shortcoming of this technology is that labour intensity is big, and it is many to take ground, and work efficiency is low, and the production cycle is long, and product allowance is big, and needs the husky shaping of a large amount of types; Cast(ing) surface behind the moulding by casting has a large amount of type sand, need carry out husky clearly work to its cast(ing) surface, and work situation is bad, all can damage surrounding environment and clear husky personnel's health.
The purpose of this utility model overcomes the shortcoming of above-mentioned prior art, provides a kind of and can reduce each casting husky quantity of type, and cast(ing) surface is less than type sand, need not to take the new automobile brake drum mold and pattern for casting tool on more field boundary ground.
The purpose of this utility model is to invent places a convex metal internal mold in the concavity metal outer mold, form the cavity of definite shape between concavity metal outer mold and the convex metal internal mold, the automobile brake drum mold and pattern for casting tool of a stratotype sand bed is arranged on the outer convex surface of convex metal internal mold.
The purpose of this utility model is that its concavity metal outer mold is made of metal outer mold mould body and metal outer mold positioning mould holder, and the automobile brake drum mold and pattern for casting tool of at least one location-plate is respectively arranged in metal outer mold mould body and metal outer mold positioning mould holder interface outside.
The purpose of this utility model is finished by following array structure: the novel casting of automobile brake drum mould, be to be to place in the concavity metal outer mold convex metal internal mold, form the cavity of definite shape between concavity metal outer mold and the convex metal internal mold, on the outer convex surface of convex metal internal mold a stratotype sand bed is arranged, concavity metal outer mold top has a through hole at least; The concavity metal outer mold is made of metal outer mold mould body and metal outer mold positioning mould holder, at metal outer mold mould body and metal outer mold positioning mould holder interface outside at least one location-plate is arranged respectively; Through hole can be placed the metal outer mold upper cover plate at metal outer mold mould body top, has cast gate or rising head on the metal outer mold upper cover plate; Convex outer wall on concavity inwall on the concavity metal outer mold and the convex metal internal mold all has certain withdrawing pattern Dou degree; Circumference to upper process is arranged at the top of convex metal internal mold; Type sand bed thickness on the outer convex surface of convex metal internal mold is preferably the 15-25 millimeter; Positioning step is preferably arranged on the metal outer mold positioning mould holder; Be connected with the husky stock mould anchor clamps of hinge shape type that size shape matches in that convex metal internal mold outer wall is movable, the husky stock mould anchor clamps of type preferably are made up of 2-6 piece hinge, intermode constitutes certain interval in husky stock mould anchor clamps of type and the convex metal, and this gap size is exactly a type sand bed wall thickness.
The operation principle of this device is: because the profile of automobile brake drum is circle shape spill, therefore, we are made as circular concavity metal outer mold (1) with this device automobile brake drum novel casting with the mould mold, its concavity metal outer mold (1) is made up of the metal outer mold mould body (11) on top and the metal outer mold positioning mould holder (12) of bottom, mating interface size dimension and shape are all mated between them, and flexibly connect mutually between the two; All has certain withdrawing pattern Dou degree at metal outer mold mould body (11) and metal outer mold positioning mould holder (12) inwall; Circumference to upper process (22) is arranged at the top of convex metal internal mold (2), and the circumference of projection (22) contacts with top box (13) on the metal outer mold, its objective is to allow the brake drum centre of casting form a hollow hole; The profile of convex metal internal mold (2) and the automobile brake drum profile that will make coupling, outer wall convex surface at convex metal internal mold (2) just directly has a stratotype sand bed (21), the profile of type sand bed (21) is identical with convex metal internal mold (2) outer wall shape, and type sand bed (21) thickness preferably is controlled between the 15-25 millimeter to good.During use, the convex metal internal mold (2) that outer surface is had the type sand bed is put on metal outer mold positioning mould holder (12) positioning step (121) of concavity metal outer mold (1), convex metal internal mold (2) can just be stuck in the positioning step (121) of metal outer mold positioning mould holder, put metal outer mold mould body (11) again, neat fastening when allowing the location-plate (111,122) of metal outer mold mould body (11) and metal outer mold positioning mould holder (12) interface outside.Like this, between concavity metal outer mold (1) and convex metal internal mold (2), just form a cavity (3) that is shaped as the automobile brake drum profile, locate to put metal outer mold upper cover plate (13) at metal outer mold mould body (11) top through hole (15), the metal outer mold upper cover plate has several through holes on (13), and these through holes use as the cast gate (131) or the rising head (132) in when casting.
Apparatus of the present invention are owing to adopt convex metal internal mold (2), on the outer convex surface of convex metal internal mold (2), make a stratotype sand bed (21) again, in other words, convex metal internal mold (2) with outer surface banding pattern sand bed replaces the husky loam core of traditional type, thereby significantly reduce the use amount of the required type sand of each automobile brake drum of casting, and external mold directly adopts the metal pattern body again, thereby make the automobile brake drum outward appearance that obtains after the casting more smooth, size is more accurate, the allowance and the clear husky workload of foundry goods have been reduced, reduced the required ground area that takies of casting simultaneously, made mechanization, mass and suitability for industrialized production automobile brake drum become possibility.
Described concavity metal outer mold of the utility model device (1) or convex metal internal mold (2), its each mould is made of an integral body, also can be formed by the polylith form assembly.Type sand bed (21) in convex metal internal mold (2) outside wall surface can the employing type the rapid moulding of husky stock mould anchor clamps, with the shaping efficiency of raising type sand bed (21).
Below in conjunction with the accompanying drawing illustrated embodiment, the time this apparatus structure be described further, but the utility model protection domain is not limited thereto example.
Fig. 1 is a kind of version vertical view of making automobile brake drum mold and pattern for casting tool described in the utility model.
Fig. 2 is the cutaway view of the A-A direction of automobile brake drum casting mould shown in Figure 1.
Embodiment 1:(is an example with east wind 140 automobile brake drums) press structure shown in the accompanying drawing, according to required automobile brake drum size of east wind 140 automobiles and size, make metal outer mold mould body (11) and the metal outer mold positioning mould holder (12) cast with in convex metal internal mold (2) and the concavity metal outer mold (1), make metal outer mold upper cover plate (13) simultaneously, open four through holes in the metal outer mold upper cover plate (13), use as cast gate in the casting cycle (131) or appetite (132); In order to improve the forming process of convex metal internal mold outer wall type sand bed (21) in the unit interval, can make the husky stock mould anchor clamps of forming by two hinges of type.
During use, earlier convex metal internal mold (2) is placed on the husky stock mould anchor clamps of type, it is husky and bonding to put into type in the gap between convex metal internal mold (2) and the husky stock mould anchor clamps of type, compress back formation type sand bed (21), the husky stock mould anchor clamps of the type of opening, the convex metal internal mold (2) of surperficial banding pattern sand bed is put in the metal outer mold positioning mould holder (12) in the concavity metal outer mold, convex metal internal mold (2) just is stuck on the positioning step (121) on the metal outer mold positioning mould holder (12), close up metal outer mold mould body (11), allow location-plate (111 on metal outer mold mould body (11) and the metal outer mold positioning mould holder, 122) alignment fastening location, metal outer mold upper cover plate (13) is placed in metal outer mold mould body (11) through hole, top; The cast iron that melts is poured in the cast gate (131) in the metal outer mold upper cover plate (13), open metal outer mold mould body (11) after the cooling, because mould inside has certain withdrawing pattern Dou degree, so the foundry goods of moulding is easy to the demoulding.Because the external mold of casting usefulness is to adopt metal to make, so only needs to change the casting internal mold of existing type sand bed, just can produce continuously, need not to take the large number of ground area and carry out moulding with a large amount of type sand.
The utility model automobile brake drum mold and pattern for casting tool, its structure is ingenious, and safety easy to use can allow the production automobile brake drum time can reduce three times, is a kind of novel casting mould of making automobile brake drum.
1-concavity metal outer mold; 11-metal outer mold mould body; The 111-location-plate; Outside the 12-metal The mould positioning mould holder; The 121-positioning step; The 122-location-plate; 13-metal outer mold upper cover plate; 131-Cast gate; The 132-rising head; 2-convex metal inner mould; 21-type sand bed; The 3-cavity;
Claims (8)
1. automobile brake drum novel casting mould, it is characterized in that placing in the concavity metal outer mold (1) a convex metal internal mold (2), form the cavity (3) of definite shape between concavity metal outer mold (1) and the convex metal internal mold (2), one stratotype sand bed (21) is arranged on the outer convex surface of convex metal internal mold (2), and concavity metal outer mold (1) top has a through hole at least.
2. according to the automobile brake drum novel casting mould of claim 1, it is characterized in that concavity metal outer mold (1) is made of metal outer mold mould body (11) and metal outer mold positioning mould holder (12), respectively has at least one location-plate (111,122) in metal outer mold mould body (11) and metal outer mold positioning mould holder (12) interface outside.
3. according to claim 1 or 2 s' automobile brake drum novel casting mould, it is characterized in that can placing metal outer mold upper cover plate 13 at metal outer mold mould body (11) top through hole (15)), have cast gate (131) or rising head (132) on the metal outer mold upper cover plate (13).
4. according to claim 1 or 2 s' the novel casting logotype of automobile brake drum mould, it is characterized in that concavity inwall on the concavity metal outer mold (1) and the convex outer wall on the convex metal internal mold (2) all have certain pattern draft.
5. according to claim 1 or 2 s' automobile brake drum novel casting mould, it is characterized in that a circumference to upper process (22) is arranged at the top of convex metal internal mold (2).
6. according to claim 1 or 2 s' automobile brake drum novel casting mould, it is characterized in that type sand bed (21) thickness on the outer convex surface of convex metal internal mold (2) is preferably the 15-25 millimeter.
7. according to claim 1 or 2 s' automobile brake drum novel casting mould, it is characterized in that positioning step (121) is preferably arranged on the metal outer mold positioning mould holder (12).
8. according to claim 1 or 2 s' automobile brake drum novel casting mould, it is characterized in that being connected with the husky stock mould anchor clamps of hinge shape type that size shape matches in that convex metal internal mold (2) outer wall is movable, the husky stock mould anchor clamps of type preferably are made up of 2-6 piece hinge, intermode constitutes certain interval in husky stock mould anchor clamps of type and the convex metal, and this gap size is exactly type sand bed (a 21) wall thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98216428 CN2350148Y (en) | 1998-08-03 | 1998-08-03 | Mould for casting brake drum of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98216428 CN2350148Y (en) | 1998-08-03 | 1998-08-03 | Mould for casting brake drum of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2350148Y true CN2350148Y (en) | 1999-11-24 |
Family
ID=33969377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98216428 Expired - Fee Related CN2350148Y (en) | 1998-08-03 | 1998-08-03 | Mould for casting brake drum of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2350148Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192034A (en) * | 2013-03-26 | 2013-07-10 | 山东宏马工程机械有限公司 | Integrated casting technology for braking drum with anti-cracking annular reinforcement rib for vehicle |
| CN106825434A (en) * | 2017-04-03 | 2017-06-13 | 盐城市德邦机械制造有限公司 | A kind of casting mould of railing fixed seat |
| CN107088652A (en) * | 2017-06-20 | 2017-08-25 | 彭松桂 | The preparation technology of bi-metal brake drum |
-
1998
- 1998-08-03 CN CN 98216428 patent/CN2350148Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192034A (en) * | 2013-03-26 | 2013-07-10 | 山东宏马工程机械有限公司 | Integrated casting technology for braking drum with anti-cracking annular reinforcement rib for vehicle |
| CN103192034B (en) * | 2013-03-26 | 2015-03-25 | 山东宏马工程机械有限公司 | Integrated casting technology for braking drum with anti-cracking annular reinforcement rib for vehicle |
| CN106825434A (en) * | 2017-04-03 | 2017-06-13 | 盐城市德邦机械制造有限公司 | A kind of casting mould of railing fixed seat |
| CN107088652A (en) * | 2017-06-20 | 2017-08-25 | 彭松桂 | The preparation technology of bi-metal brake drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |