CN101152664A - Die casting mold for forming inclined hole in cylinder block - Google Patents
Die casting mold for forming inclined hole in cylinder block Download PDFInfo
- Publication number
- CN101152664A CN101152664A CNA200610171819XA CN200610171819A CN101152664A CN 101152664 A CN101152664 A CN 101152664A CN A200610171819X A CNA200610171819X A CN A200610171819XA CN 200610171819 A CN200610171819 A CN 200610171819A CN 101152664 A CN101152664 A CN 101152664A
- Authority
- CN
- China
- Prior art keywords
- space
- die casting
- sleeve
- movable member
- hole
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/24—Accessories for locating and holding cores or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
Abstract
The invention relates to a die casting mold for forming an inclined hole in a cylinder block, wherein, a core pin forming the inclined hole which is used for installing an oil filter is arranged at a position that does not interfere with a molten-metal injecting passage in the die casting mold, thereby producing cylinders in mass through high pressure casting, and integrating the inclined hole into a whole in the casting process. The invention comprises a fixed mold, a movable mold and a sleeve, wherein, the sleeve is used for injecting the molten-metal into the mold so as to produce the cylinder through high pressure casting. The die casting mold comprises a movable space formed in the fixed mold. The movable space comprises a first space which is defined at the upper part of the sleeve so as to avoid any interference with the sleeve, and a second space which is defined at the left side and the right side of the sleeve. An inclined-hole processing cell is arranged in the movable space, and an inclined flowing channel is formed in the cylinder in the casting process. The inclined-hole processing cell comprises a movable component which is movably arranged inside the first space, the core pin which is formed into a flowing channel inside the cylinder, and an actuator which is arranged inside the second space and which can drive the movable component to do a reciprocating motion.
Description
The cross reference of related application
The application submitted to based on September 29th, 2006, and sequence number is the korean patent application of 10-2006-0096053 and requires its priority, by reference its whole disclosures is attached among the application at this.
Technical field
The present invention is broadly directed to a kind of die casting that forms inclined hole on cylinder block, more specifically, the die casting that relates to a kind of cylinder block, wherein the inclined hole machining cell is installed on this mould, makes not interfere between the shot sleeve of inclined hole machining cell and motlten metal.
Background technology
Usually, the cylinder block of engine is by the iron casting moulding.In recent years, in order to realize the lightweight of engine, by to aluminum alloy low-pressure casting aerogenesis in next life cylinder body.
Yet, thereby exist its production restriction of a lot of problems in small lot by the cylinder block of low pressure casting production.Thereby in recent years, a kind of new manufacturing method that is called high-pressure casting die casting is brought into use.Fig. 1 shows an example of a cylinder block 1 of making by this new method.
Simultaneously, the cylinder block 1 by casting must provide and the corresponding a plurality of runners of oil circuit and flow of coolant path.In casting process, runner is to be shaped by the plug that is installed in the mould.
Thereby, in casting process, when plug is installed in the mould, consider several factors, comprise the moving direction of mould, the injection direction of motlten metal, plug must be arranged in place and suitable direction.
Yet in a plurality of runners that form in cylinder block, inclined hole 1b can not be shaped by at die casting plug being installed.As shown in Figure 2, inclined hole 1b is formed among sidewall (skirt) 1a at the center of cylinder block 1, and an oil filter is installed among the inclined hole 1b.The reason that inclined hole 1b is not shaped by plug is owing to the structure according to mold, and the position that inclined hole 1b is shaped interferes with each other with the sleeve that the definition motlten metal injects the path.
That is, in the cylinder block 1 by traditional die casting casting, the inclined hole 1b that is provided with among the sidewall 1a is shaped by the plug that is installed in the die casting.In this case, the location overlap of the shot sleeve of motlten metal in the installation site of actuator (actuator) and the die casting, therefore caused the interference between actuator and sleeve, wherein actuator promotes the plug in the mould and before casting end back mould is removed plug is removed from mould when casting.Therefore, in die casting plug being installed is impossible with shaping inclined hole 1b.
Thereby after die casting was finished, inclined hole 1b must form in the sidewall 1a of cylinder block 1 by additional process.In cylinder block 1, the inclined hole 1b that is used for installing oil filter is formed on the thicker position of material.Like this, in casting process, the shrinkage factor difference can form pore during owing to the different parts cooling in material.Because the pore that generates can become the leakage of oil passage with being out of favour, therefore because leakage of oil has caused the lubricating ability of engine to worsen.
In addition, the inclined hole 1b that forms in the sidewall 1a of cylinder block 1 is relatively long, can cause forming after casting process is finished the damage such as the machining tool of drill bit of inclined hole 1b like this.
Summary of the invention
Embodiments of the invention have improved cylinder block casting by die casting, in die casting, the plug that the inclined hole of oil filter form to be installed is installed in the die casting and the hands-off position of motlten metal injection canal, production in enormous quantities by the cylinder block of high-pressure casting so just is provided, and has allowed inclined hole integrally formed in casting process.
The die casting that forms inclined hole in cylinder block has a cover half, a dynamic model and a sleeve, and this sleeve is in order to inject mould with motlten metal, so that by high-pressure casting production cylinder block.Die casting is included in the mobile space that defines in the cover half.Mobile space has for avoiding interferes in first space of upper cartridge definition and second space that defines respectively on sleeve left side and right side with sleeve.The inclined hole machining cell is arranged in the mobile space, and forms the runner of an inclination when casting process in cylinder block.The inclined hole machining cell is included in first space and moves the movable member of installing, and is installed on the movable member and is used for cylinder block to form the plug of runner and be arranged in second space and make the reciprocating actuator of movable member.
Description of drawings
For essence of the present invention and purpose are described better, reference the detailed description and the accompanying drawings hereinafter describe, wherein:
Fig. 1 is the diagrammatic sketch of the common cylinder block of expression;
Fig. 2 is the cutaway view that is illustrated in the inclined hole that forms in the sidewall shown in Figure 1;
Fig. 3 represents according to one embodiment of present invention, in order to form the structural representation of the die casting of inclined hole in cylinder block;
Fig. 4 is the vertical sectional view of the cover half of presentation graphs 3;
Fig. 5 is the diagrammatic sketch that is illustrated in the layout between the inclined hole machining cell that comprises in sleeve shown in Figure 4 and the pith of the present invention;
Fig. 6 is the diagrammatic sketch of structure of the sleeve of presentation graphs 4;
Fig. 7 is the diagrammatic sketch of the inclined hole machining cell of presentation graphs 5 at the front/rear state of work;
The front perspective view of the movable member of Fig. 8 presentation graphs 5 and rear view; And
Fig. 9 is the diagrammatic sketch of the installing sleeve of presentation graphs 5.
The specific embodiment
Hereinafter embodiments of the present invention is described in detail with reference to the accompanying drawings.
As shown in the figure, the die casting of making the cylinder block (see figure 1) by high-pressure casting comprises cover half 10 and dynamic model 12, and dynamic model 12 is installed on the cover half 10 movably.One and the corresponding die cavity of cylinder block profile between cover half 10 and dynamic model 12, have been formed.
For this reason, mobile space 16 comprises the first space 16a and the second space 16b.The first space 16a is defined within the top of cover half 10 middle sleeves 14 to avoid and sleeve 14 interferences.The second space 16b is defined within the opposite side of the sleeve 14 in the cover half 10.
The inclined hole machining cell comprises movable member 18, plug 30 and actuator 20.Movable member 18 is installed among the first space 16a of mobile space 16 movably.Plug 30 is installed in the center of movable member 18, and as the inclined hole that forms as the inclination runner in the cylinder block.Each actuator 20 all is installed among the corresponding second space 16b of mobile space 16, and is used for finishing back reciprocating motion movable member 18 at casting process or casting.
The hollow pilot hole is formed in the cover half 10, plays the effect that plug 30 is led when plug 30 inserts mould.The pin formula sleeve 10a of hollow is installed in the pilot hole, prevents the damage of 30 pairs of materials of plug.In addition, the securing member 10b of the hollow porch that is fixed on pilot hole is used for anti-shotpin formula sleeve 10a and removes.
To penetrate movable member 18 when in this case, guide rod 22 is installed.The both sides of movable member 18 form the first through hole 18a, thereby each guide rod 22 all inserts among the corresponding first through hole 18a.The assembling sleeve 24 of hollow is arranged among each first through hole 18a, to be reduced in the friction between the guide rod 22 and the first through hole 18a.
In addition, the second through hole 18b is formed on the center of movable member 18, thereby plug 30 is inserted among the second through hole 18b.Flange 30a is arranged on an end of plug 30 integratedly, and is arranged in dimple 18c, this dimple be positioned at the second through hole 18b inlet near.Thereby a removable protective plate 26 is connected with the back side of flange 30a and prevents that plug 30 breaks away from from the second through hole 18b.
In addition, third through-hole 18d is formed at the two ends of movable member 18, in order to piston rod 20a to be installed.
In addition, inclined-plane 18e is arranged on the mid portion of the bottom of movable member 18, thereby the upper end of movable member 18 and sleeve 14 can not interfere, because the movable member 18 installation direction slight inclination of the relative sleeve 14 of its installation direction when mounted.Rationally determine in the scope that the shaping angle of inclined-plane 18e or area can interfere at the sleeve 14 in preventing movable member 18 and cover half 10.
Have the piston rod 20a that is connected with the two ends of movable member 18 on the actuator 20, and movable member 18 is moved back and forth in mobile space 16.Actuator 20 vertically moves back and forth movable member 18 under the effect of the operating pressure that externally applies in this case, in the first space 16a of mobile space 16.
For this reason, force pipe 20b is arranged on the actuator 20, to be connected with operate outside pressure feed source.
Hereinafter, will introduce the course of work of the present invention in detail.
Under the state that cover half 10 and dynamic model 12 intercouple, die casting begins.At first, motlten metal injects by the sleeve 14 that is provided with on the cover half 10.
At this moment, plug 30 enters in the foundry goods that forms between cover half 10 and the dynamic model 12, thereby, after finishing, casting in cylinder block, just can form the inclination runner.
That is, in the mobile space 16 of definition, movable member 18 moves up along the first space 16a by piston rod 20a in cover half 10, and wherein piston rod extends according to the action of actuator 20.At this moment, the plug 30 that is connected with movable member 18 moves up simultaneously, and enters foundry goods by the pilot hole 10a that forms in cover half 10.
The movable member 18 that moves up and down among the first space 16a can be guided to the precalculated position by guide rod 22.Thereby plug 30 can be passed in the cover half 10 the pilot hole 10a that forms and enter the tram of foundry goods.
Then, when injecting by sleeve 14 after motlten metals finish, actuator 20 is carried out reset operations, thereby movable member 18 moves downward and returns its initial position.At this moment, the plug 30 that enters in the foundry goods is removed and is entered the pilot hole 10a of cover half 10 from the inside of foundry goods.
From above as can be known, clearly the present invention has the following advantages, when cylinder block during in die casting in order to form The machining cell of inclined hole can be installed in the mould, thus not with cover half in the motlten metal injection cover that arranges The tube interference so just can make inclined hole be shaped simultaneously when cylinder block is cast.
Therefore, can avoid at the thicker position that forms inclined hole, shrinkage factor is not during owing to the foundry goods cooling Generate together pore. Because inclined hole forms when cylinder block cast, those shapes again after casting end The problem that becomes inclined hole and cause also can be avoided. That is, the damage in order to the instrument of processing inclined also can keep away Exempt from.
In addition, separated from one another with before removing foundry goods at mould, the plug that is used to form inclined hole can insert In the cover half, thereby can prevent the damage of inclined hole.
Claims (9)
1. die casting that is used for forming inclined hole in cylinder block, described die casting comprises cover half, dynamic model and sleeve, and described sleeve is used for motlten metal is injected mould, thereby makes cylinder block by high-pressure casting, and described die casting comprises:
Mobile space, it is defined in the cover half, and has for avoiding and interfere in first space of described upper cartridge definition with in the left side of described sleeve and second space of right side definition with described sleeve; With
The inclined hole machining cell, it is arranged in the described mobile space, and forms the inclination runner during the casting in described cylinder block, and described inclined hole machining cell comprises:
Movable member, it moves and is installed in described first space;
Plug, it is installed on the described movable member, and forms described runner in described cylinder block; And actuator, it is arranged in described second space, and described movable member is moved back and forth.
2. die casting as claimed in claim 1, wherein said cover half comprise the pilot hole that the described plug of guiding inserts.
3. die casting as claimed in claim 2, wherein
Described pilot hole receives the pin formula sleeve of hollow, in order to preventing of the damage of described plug to material, and
The securing member of hollow is installed in the porch of pilot hole, thereby prevents removing of described pin formula sleeve.
4. die casting as claimed in claim 1 also comprises:
Guide rod, it is installed in described second space, and the mobile of described movable member led.
5. die casting as claimed in claim 4, wherein said guide rod links to each other with described actuator at its first end, and second end of described guide rod operative orientation along described movable member in described second space is installed.
6. die casting as claimed in claim 5, wherein said guide rod is mounted to the two ends that penetrate described movable member.
7. die casting as claimed in claim 6, wherein said movable member has in order to first through hole of described guide rod to be installed at its each side, and installing sleeve is installed in described first through hole, in order to reduce the friction between described first through hole and the described guide rod.
8. die casting as claimed in claim 6, wherein said movable member has in the central in order to second through hole of described plug to be installed, described plug has integrally formed flange in its end, described flange is located and is supported on the porch of described second through hole, and removable protective plate is connected with the back of described flange, thereby prevents that described plug breaks away from from described second through hole.
9. die casting as claimed in claim 1, wherein said actuator comprises piston rod, described piston rod is connected with two opposite ends of described movable member, and described movable member is moved back and forth in described first space.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060096053A KR100828849B1 (en) | 2006-09-29 | 2006-09-29 | die casting mold for forming inclined hole in cylinder block |
| KR1020060096053 | 2006-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101152664A true CN101152664A (en) | 2008-04-02 |
Family
ID=39254672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610171819XA Pending CN101152664A (en) | 2006-09-29 | 2006-11-28 | Die casting mold for forming inclined hole in cylinder block |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20080078522A1 (en) |
| KR (1) | KR100828849B1 (en) |
| CN (1) | CN101152664A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861879A (en) * | 2012-09-24 | 2013-01-09 | 长沙理工大学 | Machining method for multi-angle deep inclined holes of cable-stayed bridge model |
| CN111906270A (en) * | 2019-05-07 | 2020-11-10 | 现代自动车株式会社 | Cast product with pipe flow passage, casting method thereof and insert-cast pipe insert unit |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562024B (en) * | 2013-10-24 | 2017-08-25 | 富泰华精密电子（郑州）有限公司 | The complex and its manufacture method of metal and resin |
| CN105904242A (en) * | 2016-05-27 | 2016-08-31 | 贵州凯星液力传动机械有限公司 | Device and method for machining inclined hole in cylindrical surface of piston |
| CN112792315B (en) * | 2020-12-18 | 2022-01-25 | 苏州广型模具有限公司 | Lightweight valve body die casting die |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1963102A1 (en) * | 1968-12-26 | 1970-07-09 | Nat Lead Co | Process for the production of complex injection molded parts |
| JPS5827021B2 (en) | 1975-09-03 | 1983-06-07 | トヨタ自動車株式会社 | Yokogata die-casting |
| US4766944A (en) * | 1985-06-21 | 1988-08-30 | Honda Giken Kogyo Kabushiki Kaisha | Process for casting fiber-reinforced metal body |
| KR0139924Y1 (en) * | 1994-03-11 | 1999-04-01 | 김광호 | Forming mould |
| US5701944A (en) * | 1995-11-17 | 1997-12-30 | Doehler-Jarvis Technologies, Inc. | Die casting machine and method |
| JPH09327761A (en) * | 1996-06-12 | 1997-12-22 | Toshiba Mach Co Ltd | Injection molding method and its die device |
| JP2001150118A (en) | 1999-12-01 | 2001-06-05 | Honda Motor Co Ltd | Casting apparatus |
-
2006
- 2006-09-29 KR KR1020060096053A patent/KR100828849B1/en not_active IP Right Cessation
- 2006-11-21 US US11/603,729 patent/US20080078522A1/en not_active Abandoned
- 2006-11-28 CN CNA200610171819XA patent/CN101152664A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861879A (en) * | 2012-09-24 | 2013-01-09 | 长沙理工大学 | Machining method for multi-angle deep inclined holes of cable-stayed bridge model |
| CN111906270A (en) * | 2019-05-07 | 2020-11-10 | 现代自动车株式会社 | Cast product with pipe flow passage, casting method thereof and insert-cast pipe insert unit |
| CN111906270B (en) * | 2019-05-07 | 2023-11-24 | 现代自动车株式会社 | Cast product with pipe runner, casting method thereof and embedded casting type pipe embedded unit |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100828849B1 (en) | 2008-05-09 |
| US20080078522A1 (en) | 2008-04-03 |
| KR20080029530A (en) | 2008-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20080402 |