CN201644760U - Low-pressure casting die of muffler - Google Patents
Low-pressure casting die of muffler Download PDFInfo
- Publication number
- CN201644760U CN201644760U CN2010201092953U CN201020109295U CN201644760U CN 201644760 U CN201644760 U CN 201644760U CN 2010201092953 U CN2010201092953 U CN 2010201092953U CN 201020109295 U CN201020109295 U CN 201020109295U CN 201644760 U CN201644760 U CN 201644760U
- Authority
- CN
- China
- Prior art keywords
- die
- pressure casting
- side die
- casting die
- low pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a low-pressure casting die of a muffler, which comprises a four-sided die, an upper die and a lower die, wherein the four-sided die includes a left-side die, a right-side die, a front-side die and a rear-side die; a product ejection mechanism is arranged on the upper die; exhaust gaps are formed at the top of the front-side die, the rear-side die, the left-side die and the right-side die respectively; the finished product made by the low-pressure casting die has the advantages of high dimensional precision, stable quality, excellent appearance quality and high process yield, and can replace the imported product; and in addition, the exhaust gaps comprising assembly blades are formed on the front-side die, the rear-side die, the left-side die and the right-side die respectively, and therefore, the utility model can effectively solve the exhaust problem of the gas in the medium cavity and gas generated by sand cores in the production process, and eliminate the defect of insufficient gas vents and pouring.
Description
Technical field
The utility model relates to mould manufacturing field, particularly a kind of low pressure casting die of silencer body.
Background technology
What silencer body as shown in Figure 1 adopted at present is metal mold (containing core) gravitational casting, its product of producing exists that dimensional accuracy is relatively poor, inherent quality is unstable (qualification rate is very low under pressure integrity test), low, the defect of high cost of product yield, and its presentation quality is also very poor simultaneously.
Low pressure casting is to make liquid metals filling die cavity under pressure, to form a kind of method of foundry goods, has the following advantages:
1. to fill type more steady for liquid metals; 2. casting forming is good, helps forming the foundry goods of clear-cut, any surface finish, and is more favourable for the shaping of large thin wall casting; 3. foundry goods dense structure, the mechanical performance height; 4. improved the technology recovery rate of molten metal, do not needed rising head generally speaking, the recovery rate of molten metal is improved greatly, recovery rate generally can reach more than 80%.In addition, working condition is good; Equipment is simple, easily realizes mechanization and automation, also is the outstanding advantage of low pressure casting.
But, in the process of its low pressure casting die of research, need solve the problems such as discharge that gas and core are got angry in the die cavity in process of production, to stop the defective of pore and misrun in view of the concrete structure of silencer body.
The utility model content
In view of this, the purpose of this utility model provides a kind of low pressure casting die of silencer body, not only can solve the existing problem of existing gravity casting die, and has overcome the defective of pore and misrun.
The purpose of this utility model is achieved through the following technical solutions: this low pressure casting die of silencer body, comprise cubic side form and the upper die and lower die formed by left side mould, right side mould, preceding side form and rear side mould, described patrix is provided with the product ejecting mechanism, bed die is provided with cast gate, and the top of described preceding side form, back side form, left side mould and right side mould is respectively arranged with the blade combining structure that is used for exhaust.
Further, described blade combining structure is formed with the same direction overlap joint in its long edge by a plurality of blades, and the junction of adjacent blades offers exhaust gap;
Further, the exhaust gap on described same die body size is consistent and be parallel to each other;
Further, the width of described exhaust gap is 0.05～0.15mm;
Further, the width of described exhaust gap is 0.1mm;
Further, the end diameter of described cast gate is 95mm, highly is 70mm, and draw taper is 5 °.
The beneficial effects of the utility model are:
The utility model adopts metal mold (containing core) low-pressure casting process, and finished size precision height, the steady quality that makes, presentation quality is outstanding, product yield is high, can the substituting import one product; In addition, offer the exhaust gap of being made up of combined blade on the side form of front, rear, left and right, this kind exhaust combining structure can solve the discharge problem that gas and core are got angry in the die cavity in process of production effectively, has stopped the defective of pore and misrun.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following specification and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is the structural representation of silencer body;
Fig. 2 is a mould structure schematic diagram of the present utility model (having removed patrix among the figure);
Fig. 3 be Fig. 2 along B to schematic diagram;
Fig. 4 is a upper mould front view of the present utility model;
Fig. 5 is the structural representation of blade combining structure of the present utility model.
Fig. 6 is the enlarged drawing of Fig. 5 at the A place.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As Fig. 2, Fig. 3 and shown in Figure 4, low pressure casting die of silencer body of the present utility model, comprise the cubic side form formed by left side mould 1, right side mould 2, preceding side form 3 and back side form 4 and patrix 5, counterdie 6, patrix 5 is provided with the product ejecting mechanism, bed die is provided with cast gate 7, and in the present embodiment, the end diameter of cast gate is 95mm, highly be 70mm, draw taper is 5 °.
As Fig. 5, shown in Figure 6, the top of preceding side form of the present utility model, back side form, left side mould and right side mould is respectively arranged with the blade combining structure 8 that is used for exhaust.Blade combining structure 8 is formed with the same direction in its long edge overlap joint by a plurality of blades 9, and the junction of adjacent blades 9 offers exhaust gap, and is in the exhaust gap size unanimity on the same die body and is parallel to each other.In the present embodiment, the width d of exhaust gap is 0.1mm, and this width is repeatedly tested the preferred values that obtains for basis, and size can either satisfy the exhaust needs, and the while can not cause die cavity material cold flow again or split.
Adopt the advantage of exhaust combining structure of the present utility model to be: 1 compares with other processing methods (for example line cutting), is convenient to be processed into required exhaust gap width (0.1mm); 2 is very narrow because of exhaust gap, is difficult for stopping up; 3. being convenient to pull down cleaning after stopping up safeguards.By adopting this exhaust combining structure, can solve the discharge problem that gas and core are got angry in the die cavity in process of production effectively, stopped the defective of pore and misrun.
Mould assembling action of the present utility model: bed die maintains static, the mould all around that closes successively earlier, and mould again closes.
Die sinking action of the present utility model: open mould all around successively earlier, open patrix again, product rises to certain height with patrix, and the ejecting mechanism of patrix just pushes up product from mould.
Finished size precision height, the steady quality that the utility model makes, presentation quality is outstanding, product yield is high, can the substituting import one product.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. low pressure casting die of silencer body, comprise cubic side form and the upper die and lower die formed by left side mould, right side mould, preceding side form and rear side mould, described patrix is provided with the product ejecting mechanism, it is characterized in that: bed die is provided with cast gate, and the top of described preceding side form, back side form, left side mould and right side mould is respectively arranged with the blade combining structure that is used for exhaust.
2. low pressure casting die of silencer body according to claim 1 is characterized in that: described blade combining structure is formed with the same direction overlap joint in its long edge by a plurality of blades, and the junction of adjacent blades offers exhaust gap.
3. low pressure casting die of silencer body according to claim 2 is characterized in that: exhaust gap on described same die body size is consistent and be parallel to each other.
4. low pressure casting die of silencer body according to claim 3 is characterized in that: the width of described exhaust gap is 0.05～0.15mm.
5. low pressure casting die of silencer body according to claim 4 is characterized in that: the width of described exhaust gap is 0.1mm.
6. low pressure casting die of silencer body according to claim 1 is characterized in that: the end diameter of described cast gate is 95mm, highly is 70mm, and draw taper is 5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201092953U CN201644760U (en) | 2010-02-05 | 2010-02-05 | Low-pressure casting die of muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201092953U CN201644760U (en) | 2010-02-05 | 2010-02-05 | Low-pressure casting die of muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201644760U true CN201644760U (en) | 2010-11-24 |
Family
ID=43109960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201092953U Expired - Fee Related CN201644760U (en) | 2010-02-05 | 2010-02-05 | Low-pressure casting die of muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201644760U (en) |
-
2010
- 2010-02-05 CN CN2010201092953U patent/CN201644760U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103752767A (en) | Shaping structure and manufacturing process of casting elongated hole sand core | |
| CN203635867U (en) | Pouring gate structure of aluminium alloy high thin-wall box body | |
| CN204892871U (en) | A mould for casting parts | |
| CN106623795A (en) | Running and feeding system on DISA line of small-size cylinder gray iron castings and design method of running and feeding system | |
| CN101786151B (en) | Low pressure casting die of silencer body | |
| CN202461484U (en) | Automobile air conditioning compressor cylinder body die-casting die | |
| CN202427897U (en) | Casting mold for vacuum pump box body | |
| CN102380909A (en) | Vertical type pouring manufacturing method of decorative gypsum board | |
| CN201644760U (en) | Low-pressure casting die of muffler | |
| CN203076531U (en) | Large thick-walled casting pouring system and casting mould | |
| CN209773399U (en) | four water pump production foundry goods of an type that improve production efficiency | |
| CN101486074A (en) | Lost core making method | |
| CN206241192U (en) | Running and feeding system on the DISA lines of small-sized cylinder body gray iron casting | |
| CN203664603U (en) | Large in-line diesel engine body casting mold | |
| CN202097364U (en) | U-shaped outer chiller for container corner fittings | |
| CN201644761U (en) | Low pressure casting die of gear chamber cover | |
| CN201644763U (en) | Fuel injection pump housing low-pressure casting die | |
| CN110860653A (en) | Plate spring seat support pouring mold and pouring method | |
| CN103317120B (en) | Metal-mold low-pressure casting mould | |
| CN202539471U (en) | Foam molding die for casting | |
| CN104550884A (en) | Method for removing mold shell of thin-wall casting | |
| CN205200453U (en) | Qualities of voltol oil cylinder end cap foundry goods are improved casting mould external member with process yield | |
| CN203956017U (en) | For the cap pouring port structure of thermosistor housing mould | |
| CN204413112U (en) | A kind of Novel pressure casting mould | |
| CN202343875U (en) | Film-coated sand shell mold for producing flat gasket |
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: 20101124 Termination date: 20150205 |
|
| EXPY | Termination of patent right or utility model |