CN109550902A - A kind of casting mould - Google Patents
A kind of casting mould Download PDFInfo
- Publication number
- CN109550902A CN109550902A CN201811634454.9A CN201811634454A CN109550902A CN 109550902 A CN109550902 A CN 109550902A CN 201811634454 A CN201811634454 A CN 201811634454A CN 109550902 A CN109550902 A CN 109550902A
- Authority
- CN
- China
- Prior art keywords
- die body
- connectivity slot
- casting mould
- sprue
- casting
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
Abstract
The present invention relates to a kind of casting moulds.Casting mould of the present invention includes: the first die body and the second die body, and first die body and second die body can fasten and form die joint；The die joint of the die joint concave shaped forming cavity of first die body, second die body is recessed the connectivity slot of sprue and strip, and the face of the length direction of the connectivity slot is connected to the sprue；When first die body and second die body fasten, the connectivity slot is connected to the bottom surface of the type chamber.The connectivity slot is less than 5mm along the sectional area of its width direction2.Casting mould of the present invention has the advantages that without manual polishing, improves yield.
Description
Technical field
The present invention relates to molds, more particularly to a kind of casting mould.
Background technique
Modern household air-conditioning, refrigerator compresser cylinder gray iron piece support Machining Intelligent degree it is higher and higher.It is existing
Have for processing the multifunctional combination special plane of this gray iron piece in technology, a special plane is exactly a production line, the casting of gray iron piece
Part is fed from blank, and semi-finished product come out, and whole process is full-automatic, because of the needs of automation processing, this special plane pair
The dimensional uniformity of casting requires very high.
Casting on existing air-conditioning compressor cylinder, outer surface includes two bottom surfaces and a side, and is also possible to
The slot of two bottom surfaces of perforation is offered, the transition position of two bottom surfaces and side will form seamed edge, and there are two types of casting techniques.First
Kind is blank pressing technology, and specifically, type chamber and sprue all dimidiations of mold, wherein half is located at upper box, another subluxation
In lower box.The advantages of blank pressing technology is that apperance and sprue are distributed in two halves template, and after casting, heat loss is relatively equal
It is even.The disadvantage is that the water inlet area of flanging is big since speed of production is fast, it is be easy to cause at cast gate when casting is torn with sprue scarce
Meat, moreover, casting and running gate system (sprue) are not readily separated, needing to tap could be separated, since the position of percussion is difficult to admittedly
It is fixed, and exacerbate casting pouring mouth misrun.Modern air conditioning compressor casting is all pursuing lightweight, the machining allowance of casting design
Few, the serious misrun of casting causes defective products to increase.It is for second the edge fit water inlet of casting, the type chamber and running gate system of apperance
(sprue) all concentrates on a cabinet, and the width direction in the section of the cast gate of this technique is roomy, in order to reduce casting
Misrun, devises stress slot on the cast gate of casting, and when tearing is broken from stress slot, most of casting can Automatic-falling, but
The cast gate residual altitude of casting is more than the standard of actual demand, it is necessary to can be only achieved requirement after manual polishing, due to manually beating
The quality of mill casting sprue is difficult to manage, and leakage mill and the excessive clamping that can all influence puma manipulator of grinding do not adapt to intelligence
The mechanical processing of energy.Regardless of which kind of technique used, the structure of mold can all bring casting misrun or the excessive influence of surplus,
The yield of casting will be influenced.
Summary of the invention
Based on this, the object of the present invention is to provide a kind of casting mould, has without manual polishing, improves yield
The advantages of.
A kind of casting mould, including the first die body and the second die body, second die body can be fastened on first die body
It goes up and forms die joint；The die joint concave shaped forming cavity of first die body, the die joint of second die body are recessed
Sprue and the columnar connectivity slot of strip, the face of the length direction of the connectivity slot are connected to the sprue；When described first
Die body and second die body fasten, and the connectivity slot is connected to the bottom surface of the type chamber.
Casting mould of the present invention, by the way that type chamber and connectivity slot to be separately positioned on two die bodys, thus will be even
Through slot is connect with the bottom surface of type chamber, and cast gate enters from the bottom surface of type chamber, so that there will be no fleshiness for the fracture of casting and sprue.
The casting that casting mould of the invention processes is easy to fall off from Casting Equipment, without manually being tapped, and cast gate
It is substantially smooth, after carrying out Shot Blasting, without polishing, can directly it case.
Further, when first die body and second die body fasten, the connectivity slot length direction is against described
The outer seamed edge of first type bottom of chamber face is arranged.Connectivity slot is arranged along the seamed edge of type chamber, so that cast gate is located at the seamed edge of casting,
Breaking part when tearing from equipment to casting is located at the seamed edge of casting, easy processing.
Further, it is formed with compensating tank along the seamed edge of the side wall of the type chamber on first die body, when described
When one die body and second die body fasten, the compensating tank is connected to the connectivity slot or the sprue.Compensating tank is set,
For compensating the circulation area of connectivity slot.Because connectivity slot is set as strip column structure, and the length limited of connectivity slot is in casting
Fracture easy degree when part forms, if connectivity slot is too long, with regard to too long, casting is just not easy disconnected with sprue the cast gate of casting
It splits.And in order to guarantee the actual internal area of cast gate, guarantee that the width of connectivity slot cannot be too wide, will also limit the length of connectivity slot again
Degree can not be too long, just can solve these problems by the way that compensating tank is arranged.And the side wall of type chamber will be arranged in compensating tank, just will not
Influence the width and area of connectivity slot.
Further, the connectivity slot is less than 5mm along the maximum width of its width direction；The maximum width of connectivity slot is less than
5mm, this width are much smaller than the even more big width of connectivity slot 15mm of the prior art, and cast gate narrows, thus casting and sprue
When tearing, excessive surplus and residual are not had, do not need to be ground and directly case.In order to limit the width and height of compensating tank,
The compensating tank is less than 3mm along the sectional area of its width direction2。
Further, a kind of cavity shape, the type chamber are annular housing, the connectivity slot and the compensating tank edge respectively
The outer round arris edge of its corresponding annular housing is arranged.Connectivity slot needs the seamed edge along type chamber to be arranged, to guarantee that casting is torn
When fracture it is convenient.
Further, another cavity shape, the type chamber include annular housing and are connected to the annular housing side wall
Sectorial cavity；The connectivity slot is arranged along the outer round arris edge corresponding position of the sectorial cavity；The compensating tank is along the sector
The outer round arris edge of cavity is arranged.
Further, the outer circle arc length a of sectorial cavity arc length b corresponding with the length of the connectivity slot meets relationship: a
=2b.The relationship of two arc length is standardized, control is facilitated.
Further, the outer circle arc length a of sectorial cavity arc length c corresponding with the length of the compensating tank meets relationship: b
> c or a=3c.By the standardization to length and arc length, facilitate automation control, improve product yield and pours
The yield rate built.
Further, there are two the symmetrically arranged type chambers for the first die body formation, when first die body and institute
When stating the second die body fastening, two type chambers pass through its connectivity slot respectively and are connected to the sprue.Two or more type chambers
It pours simultaneously, improves processing efficiency.
Further, the sprue and the connectivity slot are integrally formed, and work as first die body and second mould
When body fastens, the sprue is the connectivity slot with the intersection on the type chamber vertical direction.In the preferred side
In formula, connectivity slot is a part of sprue, and connectivity slot is located on the vertical direction of type chamber at this time, and type chamber is in the vertical direction
It is exactly the connectivity slot with the intersection of sprue, so that sprue is connected to by connectivity slot with type chamber, is connected to by control
The width or the area in width direction of slot, just can control the cutting easy degree of sprue Yu type chamber, to be easy to control
Fracture complexity in casting and sprue between metal block.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the top view of the die joint of the first die body of the invention；
Fig. 2 is the bottom view of the die joint of the second die body of the invention；
Contour structure schematic diagram when Fig. 3 is the first die body of the invention and the second die body fastening；
Fig. 4 is the casting structure schematic diagram of die casting and molding of the invention；
Fig. 5 is the face A-A cross-sectional view in Fig. 3；
Fig. 6 is the enlarged drawing of the partial structurtes I of Fig. 5；
Fig. 7 is the variant embodiment schematic diagram of the partial structurtes I of Fig. 5.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Such as a kind of casting mould of Fig. 1 to Fig. 3, including the first die body 11 and the second die body 12, second die body 12 can
It is fastened on first die body 11 and forms die joint；The die joint concave shaped forming cavity 21 of first die body 11, it is described
The die joint of second die body 12 is recessed sprue 22 and the columnar connectivity slot 23 of strip, the length direction of the connectivity slot 23
Face be connected to the sprue 22；When first die body 11 and second die body 12 fastening, the connectivity slot 23 and institute
State the bottom surface connection of type chamber 21.
Further, the connectivity slot 23 is less than 5mm along the maximum width of its width direction.
In order to which preferably cast gate is arranged at the seamed edge of the first die body 11, in the preferred embodiment, when described first
Die body 11 and second die body 12 fasten, and outer seamed edge of 23 length direction of connectivity slot against 21 bottom surface of type chamber is set
It sets.
In order to compensate for the actual internal area of connectivity slot 23, in the preferred embodiment, along institute on first die body 11
The seamed edge for stating the side wall of type chamber 21 is formed with compensating tank 24, when first die body 11 is fastened with second die body 12, institute
Compensating tank 24 is stated to be connected to the connectivity slot 23 or the sprue 22.Further, the compensating tank 24 is along its width direction
Sectional area be less than 3mm2。
In order to cooperate the shape of connectivity slot 23 and casting, in the preferred embodiment of the present embodiment, the type chamber 21
Including annular housing and the sectorial cavity for being connected to the annular housing side wall；Outer circle of the connectivity slot 23 along the sectorial cavity
The setting of seamed edge corresponding position；The compensating tank 24 is arranged along the outer round arris edge of the sectorial cavity.In other preferred embodiment party
In formula, the type chamber 21 is annular housing, and the connectivity slot 23 is with the compensating tank 24 respectively along its corresponding annular chamber
The outer round arris edge of body is arranged.
For the processing criterionization processing to casting, standardized parameter meets following relationship.Outside the sectorial cavity
The long a of circular arc arc length b corresponding with the length of the connectivity slot 23 meets relationship: a=2b；In addition, the external arc of the sectorial cavity
Long a arc length c corresponding with the length of the compensating tank 24 meets relationship: b > c or a=3c.
In order to improve the processing efficiency of casting, two type chambers 21, first die body 11 are set in further scheme
It is formed there are two the symmetrically arranged type chamber 21, when first die body 11 is fastened with second die body 12, two institutes
Type chamber 21 is stated to be connected to by its connectivity slot 23 with the sprue 22 respectively.It is of course also possible to longer sprue 22 is set, and
And multiple type chambers 21 are set gradually in the two sides of sprue 22, to can once pour out multiple casting, improve processing effect
Rate.
In the preferred embodiment, the sprue and the connectivity slot are integrally formed, and work as first die body and institute
When stating the second die body fastening, the sprue is the connectivity slot with the intersection on the type chamber vertical direction.
The working principle of casting mould of the invention:
Second die body is fastened on the top of the first die body, and the molten metal of high temperature is circulated by sprue 22, then successively flowed
It through connectivity slot 23, compensating tank 24, enters finally into type chamber 21, molten metal cools down in type chamber 21 and forms casting 31.Also,
After molten metal cooling in sprue 22, it can be linked together with the casting 31 in type chamber 21, structure is as shown in Figures 4 to 6.This
When, casting 31 with directly pour the range that connect of solidification part 32, including the connection solidifying body 33 to cool down in connectivity slot 23, and benefit
The compensation solidifying body 34 to cool down in slot 24 is repaid, since connection solidifying body 33 and the width for compensating solidifying body 34 are smaller, most
Big width is no more than 5mm will not form fleshiness on casting 31, there will not be when casting 31 is with the solidification tearing of part 32 is directly poured
Biggish residual needs to polish.
Such as the casting 31 that a kind of variant embodiment of the casting mould of the invention of Fig. 7 processes, connectivity slot 23
Shape it is different from 23 shape of connectivity slot shown in Fig. 6, difference is in variant embodiment, and the section of connectivity slot 23 is in square
The actual internal area of the structure of shape, connectivity slot 23 is small compared with the sectional area in Fig. 6, it is easier to tear casting 31, to reduce fleshiness
The case where occur.
Casting mould of the invention, realizes standardized production, ensure that the size of casting is unified, and improve casting
Processing efficiency, without manually polishing casting, high yield rate, yield is compared with prior art height.In addition, using of the invention
Casting mould, the yield rate of raw material have saved cost compared with the raising of the prior art.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (10)
1. a kind of casting mould, it is characterised in that: including the first die body and the second die body, second die body can be fastened on described
On first die body and form die joint；The die joint concave shaped forming cavity of first die body, the die joint of second die body
It is recessed sprue and the columnar connectivity slot of strip, the face of the length direction of the connectivity slot is connected to the sprue；When
First die body and second die body fasten, and the connectivity slot is connected to the bottom surface of the type chamber.
2. casting mould according to claim 1, it is characterised in that: when first die body and the second die body button
It closes, outer seamed edge of the connectivity slot length direction against first type bottom of chamber face is arranged.
3. casting mould according to claim 1, it is characterised in that: along the side wall of the type chamber on first die body
Seamed edge be formed with compensating tank, when first die body and second die body fasten, the compensating tank and the connectivity slot
Or the sprue connection.
4. casting mould according to claim 3, it is characterised in that: maximum width of the connectivity slot along its width direction
Less than 5mm；The compensating tank is less than 3mm along the sectional area of its width direction2。
5. casting mould according to claim 3, it is characterised in that: the type chamber be annular housing, the connectivity slot and
The compensating tank is arranged along the outer round arris edge of its corresponding annular housing respectively.
6. casting mould according to claim 3, it is characterised in that: the type chamber includes annular housing and is connected to the ring
The sectorial cavity of shape cavity wall；The connectivity slot is arranged along the outer round arris edge corresponding position of the sectorial cavity；The compensation
Slot is arranged along the outer round arris edge of the sectorial cavity.
7. casting mould according to claim 5 or 6, which is characterized in that the outer circle arc length a of the sectorial cavity with it is described
The length of connectivity slot corresponds to arc length b and meets relationship: a=2b.
8. casting mould according to claim 7, which is characterized in that the outer circle arc length a of the sectorial cavity and the benefit
The length for repaying slot corresponds to arc length c and meets relationship: b > c or a=3c.
9. casting mould according to claim 1-6, it is characterised in that: there are two right for the first die body formation
The type chamber for claiming setting, when first die body and second die body fastening, two type chambers pass through its company respectively
Through slot is connected to the sprue.
10. casting mould according to claim 1-6, it is characterised in that: the sprue and the connectivity slot
Be integrally formed, and when first die body and second die body fasten, the sprue with the type chamber vertical direction
On intersection be the connectivity slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634454.9A CN109550902B (en) | 2018-12-29 | 2018-12-29 | Casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634454.9A CN109550902B (en) | 2018-12-29 | 2018-12-29 | Casting mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109550902A true CN109550902A (en) | 2019-04-02 |
| CN109550902B CN109550902B (en) | 2020-08-07 |
Family
ID=65871885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634454.9A Active CN109550902B (en) | 2018-12-29 | 2018-12-29 | Casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109550902B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600756A (en) * | 2021-07-28 | 2021-11-05 | 肇庆精通机械有限公司 | Gating system for bearing casting production |
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| CN1406686A (en) * | 2001-07-26 | 2003-04-02 | 科普兰公司 | Damp sand cast method and apparatus |
| CN101524740A (en) * | 2009-04-22 | 2009-09-09 | 安徽省宁国新宁实业有限公司 | Vertical-parting casting section die |
| CN104148587A (en) * | 2014-06-06 | 2014-11-19 | 中设集团装备制造有限责任公司 | Method and device for casting brake disc body and manufactured brake disc body |
| CN206839043U (en) * | 2017-04-19 | 2018-01-05 | 福州六和机械有限公司 | Rear braking disk molding die |
| CN207547544U (en) * | 2017-12-21 | 2018-06-29 | 重庆卡森科技有限公司 | A kind of casting system for automobile differential housing |
| CN207642273U (en) * | 2017-11-24 | 2018-07-24 | 保定市立中车轮制造有限公司 | Pressure cast aluminum-alloy wheel metal die |
-
2018
- 2018-12-29 CN CN201811634454.9A patent/CN109550902B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406686A (en) * | 2001-07-26 | 2003-04-02 | 科普兰公司 | Damp sand cast method and apparatus |
| CN101524740A (en) * | 2009-04-22 | 2009-09-09 | 安徽省宁国新宁实业有限公司 | Vertical-parting casting section die |
| CN104148587A (en) * | 2014-06-06 | 2014-11-19 | 中设集团装备制造有限责任公司 | Method and device for casting brake disc body and manufactured brake disc body |
| CN206839043U (en) * | 2017-04-19 | 2018-01-05 | 福州六和机械有限公司 | Rear braking disk molding die |
| CN207642273U (en) * | 2017-11-24 | 2018-07-24 | 保定市立中车轮制造有限公司 | Pressure cast aluminum-alloy wheel metal die |
| CN207547544U (en) * | 2017-12-21 | 2018-06-29 | 重庆卡森科技有限公司 | A kind of casting system for automobile differential housing |
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| Title |
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| 罗启全: "《铝合金石膏型精密铸造》", 30 April 2005, 广东科技出版社 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600756A (en) * | 2021-07-28 | 2021-11-05 | 肇庆精通机械有限公司 | Gating system for bearing casting production |
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| Publication number | Publication date |
|---|---|
| CN109550902B (en) | 2020-08-07 |
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