WO2011030633A1 - スクロール部材用成形型 - Google Patents

スクロール部材用成形型 Download PDF

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Publication number
WO2011030633A1
WO2011030633A1 PCT/JP2010/063043 JP2010063043W WO2011030633A1 WO 2011030633 A1 WO2011030633 A1 WO 2011030633A1 JP 2010063043 W JP2010063043 W JP 2010063043W WO 2011030633 A1 WO2011030633 A1 WO 2011030633A1
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WO
WIPO (PCT)
Prior art keywords
spiral
mold
scroll member
groove
scroll
Prior art date
Application number
PCT/JP2010/063043
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
昌輝 山本
隆 廣内
哲 山本
俊雄 大加戸
修一 四海
進 西川
Original Assignee
ダイキン工業株式会社
虹技株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ダイキン工業株式会社, 虹技株式会社 filed Critical ダイキン工業株式会社
Priority to CN201080040043.2A priority Critical patent/CN102483062B/zh
Publication of WO2011030633A1 publication Critical patent/WO2011030633A1/ja

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • 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
    • B22D17/2218—Cooling or heating equipment for dies
    • 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
    • B22D17/2236—Equipment for loosening or ejecting castings from dies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00—Manufacture
    • F04C2230/20—Manufacture essentially without removing material
    • F04C2230/21—Manufacture essentially without removing material by casting

Definitions

  • the present invention relates to a mold for scroll members.
  • scroll members having a spiral portion are molded by casting or die casting.
  • a scroll member is molded using a molding apparatus described in Patent Document 1 (Japanese Patent Laid-Open No. 2002-219553).
  • Patent Document 1 Japanese Patent Laid-Open No. 2002-219553.
  • a plurality of extrusion pins are provided at the tip of the scroll spiral portion for reliable die cutting and air bleeding during molding.
  • An object of the present invention is to solve the above-mentioned problems and to provide a mold for a scroll member that can greatly extend the life of the mold.
  • the scroll member forming die of the first invention is a forming die for forming a scroll member having a spiral portion.
  • the spiral push pin that pushes the tip of the spiral portion abuts on the abutting portion of the spiral portion.
  • the width of the groove corresponding to the contact portion is larger than the width of the groove corresponding to the portion other than the contact portion in the spiral portion. For this reason, since it becomes possible to narrow the width of the spiral groove other than the contact portion while ensuring the width of the contact portion with which the spiral pushing pin contacts, the thickness of the portion between the adjacent grooves Also thicken. As a result, since the strength of the mold for scroll members is improved, the durability of the mold is improved and the life of the mold can be extended.
  • the scroll member molding die according to the second invention is the scroll member molding die according to the first invention, wherein the width of the groove corresponding to the portion other than the contact portion in the spiral portion is the spiral in the finished scroll member. Substantially equal to the wall thickness of the shaped part.
  • the width of the groove corresponding to the part other than the contact part in the spiral part is substantially equal to the thickness of the spiral part in the finished scroll member, the dimensions are almost the same as the finished scroll member. It becomes possible to mold with. Therefore, like the first invention, the groove width can be made narrower, so that the strength of the mold is improved and the life can be extended. In addition, the material yield is improved.
  • the scroll member mold of the third invention is the scroll member mold of the first invention, further comprising a cooling section.
  • the wall between the grooves can be made sufficiently thick while the cooling member is provided. Therefore, the scroll member forming die is cooled so as to cool the scroll member forming die.
  • a cooling part is installed in the vicinity of the groove corresponding to the spiral part of the mold.
  • it further includes a cooling unit for cooling the scroll member molding die installed in the vicinity of the groove corresponding to the spiral portion of the scroll member molding die the heat load of the scroll member molding die is conventionally increased. It can reduce more effectively and can extend the lifetime of the mold for scroll members.
  • a scroll member forming die is a forming die for forming a scroll member having a spiral portion and a plate-shaped end plate formed on the root side of the spiral portion.
  • This molding die includes a scroll member molding die, a spiral extrusion pin, and an end plate extrusion pin.
  • the spiral extrusion pin pushes the tip of the spiral portion.
  • the end plate push pin pushes the surface of the end plate.
  • the scroll member molding die according to a fifth aspect of the present invention is the scroll member molding die according to the fourth aspect of the present invention, further comprising a cooling part.
  • a cooling part is installed in the vicinity of the groove corresponding to the spiral part in the mold for scroll member.
  • it further includes a cooling unit for cooling the scroll member molding die installed in the vicinity of the groove corresponding to the spiral portion of the scroll member molding die the heat load of the scroll member molding die is conventionally increased. It can reduce more effectively and can extend the lifetime of the mold for scroll members.
  • a scroll member forming die is a forming die for forming a scroll member having a spiral part and a plate-like end plate formed on the base side of the spiral part, A spiral push pin that pushes the tip is used as a plug for the through hole, and a push pin for the end plate that pushes the surface of the end plate is provided. Since the extrusion pin at the tip of the spiral portion is used as a plug, it is used only as an air vent passage. Further, for the scroll member extrusion, an end plate extrusion pin is used. For this reason, it is not necessary to consider the strength of the spiral tip extruding pin, and it is possible to use a pin that is significantly smaller than a conventional extruding pin.
  • the groove width for the scroll member can be made narrower, the strength of the mold can be improved, and the life can be extended.
  • the extrusion timing may be delayed so that the extrusion force is not applied even if it is not a plug.
  • the end plate extrusion pin is provided, even when the scroll member spiral portion is poorly filled, the molded product can be reliably pushed out of the scroll member molding die, eliminating the scroll member removal failure, In order to prevent an excessive heat load on the mold, the life of the scroll member mold can be extended.
  • a scroll member mold according to a seventh aspect of the present invention is the scroll member mold according to the sixth aspect of the present invention, further comprising a cooling section.
  • the wall between the grooves can be made sufficiently thick while the cooling portion is provided, so that the scroll member molding die is cooled to cool the scroll member molding die.
  • a cooling part is installed in the vicinity of the groove corresponding to the spiral part of the mold.
  • it further includes a cooling unit for cooling the scroll member molding die installed in the vicinity of the groove corresponding to the spiral portion of the scroll member molding die the heat load of the scroll member molding die is conventionally increased. It can reduce more effectively and can extend the lifetime of the mold for scroll members.
  • FIG. 2 is an enlarged cross-sectional view of the vicinity of the movable spiral groove in FIG. 1.
  • FIG. 3 is an arrow A view of FIG. 2. The figure which showed roughly the spiral groove 13a and the groove
  • the scroll member forming apparatus 1 (hereinafter referred to as the forming apparatus 1) shown in FIGS. 1 to 3 includes a spiral portion 51 such as a fixed scroll or a movable scroll of a scroll compressor, and a root side of the spiral portion 51.
  • This is a molding apparatus for molding the scroll member 50 having the plate-like end plate 52 formed in the above.
  • a movable scroll having a spiral portion 51, an end plate 52 and a boss 53 is described as an example.
  • the shape of the cavity 13 of the molding apparatus 1 is appropriately set.
  • the molding apparatus 1 includes a scroll member molding die 2 (hereinafter, referred to as a molding die 2), an extrusion pin mechanism 7, and a movable die stage 8.
  • the mold 2 includes a spiral extrusion pin 3, an end plate extrusion pin 4, a cooling pipe 5, and a billet filling mechanism 6.
  • the scroll member 50 can be molded by filling the inside of the molding die 2 with the billet C, which is a semi-molten or semi-solid metal material, by the billet filling mechanism 6.
  • the billet C which is a semi-molten or semi-solid metal material
  • the scroll extrusion pin 3 and the end plate extrusion pin 4 are pushed into the movable mold 11 by the extrusion pin mechanism 7, whereby the scroll member 50 can be taken out from the movable mold 11.
  • the mold 2 will be described in more detail in another item.
  • the mold 2 includes a movable mold 11 that reciprocates along a movable mold stage 8 and a fixed mold 12 as main parts.
  • the other components of the mold 2, which are the spiral extrusion pin 3, the end plate extrusion pin 4, and the cooling pipe 5, will be described in more detail in separate items.
  • the molding apparatus 1 has a space in the shape of the scroll member 50 formed when the movable mold 11 and the fixed mold 12 are joined, that is, a flow path for filling the cavity 13 with a semi-molten or semi-solid metal material.
  • Runner 54 is formed. As shown in FIGS.
  • the movable die 11 forms a spiral groove 13a for forming a spiral portion 51 and a mirror plate 52 in the cavity 13 for forming the scroll member 50. Plate-like groove 13b. Moreover, the movable die 11 has a contact portion groove 13c corresponding to the contact portion 55 in the spiral portion 51 with which the spiral push pin 3 that presses the tip 51a (see FIG. 1) of the spiral portion 51 contacts. Is formed. The width of the contact portion groove 13c is larger than the width of the spiral groove 13a corresponding to a portion other than the contact portion 55 in the spiral portion 51.
  • the contact portion 55 that contacts the spiral extrusion pin 3 can be partially secured. It becomes possible. As a result, it is possible to reduce the width of the spiral groove 13a other than the contact portion 55 while ensuring the width of the contact portion 55 with which the spiral pushing pin 3 contacts. The thickness of the part between 13a also becomes thick. As a result, there is no possibility that the durability of the mold 2 is lowered due to a decrease in the strength of the mold 2, and the life of the mold 2 can be extended.
  • the width of the contact portion 55 and the contact portion groove 13c for forming the contact portion 55 may be larger than the diameter of the spiral extrusion pin 3.
  • the width of the spiral groove 13 a corresponding to the portion other than the contact portion 55 in the spiral portion 51 is substantially equal to the thickness of the spiral portion 51 in the finished product of the scroll member 50. Since the dimensions are set to be equal, molding (so-called near net shape molding) can be performed with almost the same dimensions as the finished product, and the groove width can be narrowed to increase the durability of the mold and extend the service life. Is possible. In addition, the material yield is improved. In view of performing the cutting process for the surface finish of the scroll member 50, the width of the spiral groove 13a is preferably determined in consideration of the scroll design wall thickness + the required cutting machining allowance, the deviation of the mold, and the accuracy. It is better to leave.
  • the entire spiral groove 13a is narrowed to a thickness that is approximately the same as the width of the finished product of the scroll member 50, and only the contact portion groove 13c corresponding to the contact portion 55 is partially expanded. Since it is formed so as to have a shape, it is possible to make a near net shape having dimensions substantially equal to the finished product.
  • the swirl push pin 3 shown in FIG. 1 and FIG. 3 passes through a through-hole 15 (see FIG. 2) formed in the movable mold 11 so that it can appear at the tip of the swirl groove 13a of the cavity 13. It is attached to the drive mechanism 7.
  • the spiral push pin 3 can push the scroll member 50 from the movable die 11 by pressing the contact portion 55 of the tip 51 a of the spiral portion 51 of the scroll member 50 after the scroll member 50 is formed.
  • the end plate extrusion pin 4 shown in FIG. 1 is attached to the extrusion pin mechanism 7 so as to be able to appear and disappear in the flat groove 13b of the cavity 13 through the through hole 16 (see FIG. 2) formed in the movable die 11. ing.
  • the end plate push pin 4 can push the end plate 52 of the scroll member 50 after the scroll member 50 is formed, thereby pushing out the scroll member 50 from the movable die 11.
  • the end plate extrusion pin 4 is thicker than the spiral extrusion pin 3.
  • the cooling pipe 5 shown in FIGS. 1 and 5 is a pipe for supplying cooling water inserted into a water injection hole 17 (see FIG. 2) formed in the movable mold 11.
  • the water injection hole 17 is formed in the wall 18 between the adjacent grooves of the spiral groove 13 a in the movable mold 11.
  • the cooling pipe 5 has a double pipe structure, and includes a water injection inner pipe 21 inserted near the back end of the water injection hole 17, and a drainage pipe.
  • the outer tube 22 is fitted in the water injection hole 17 in a liquid-tight manner.
  • the width of the contact portion groove 13c corresponding to the contact portion 55 with which the spiral pushing pin 3 contacts is a spiral corresponding to a portion other than the contact portion 55 in the spiral portion 51. It is larger than the width of the groove 13a. This makes it possible to reduce the width of the spiral groove 13a other than the contact portion 55 while ensuring the width of the contact portion 55 with which the spiral pushing pin 3 contacts.
  • the thickness of the portion of the wall 18 between 13a also increases. As a result, the strength of the mold 2 (more specifically, the movable mold 11) is improved and the durability of the mold 2 is improved, so that the life of the mold 2 can be greatly extended. Along with this, it is possible to reduce costs for manufacturing and maintenance of the mold 2.
  • the width of the spiral groove 13a corresponding to a portion other than the contact portion 55 in the spiral portion 51 can be reduced, so that a near net shape can be formed. Moreover, since the wall 18 between the spiral groove 13a becomes thick because the width
  • the width of the spiral groove 13 a corresponding to the portion other than the contact portion 55 in the spiral portion 51 is set to the thickness of the spiral portion 51 in the finished product of the scroll member 50. Dimensioned to be substantially equal. As a result, so-called near net shape molding in which the scroll member 50 is molded with substantially the same dimensions as the finished product is possible, and the material yield is improved.
  • the material strength is higher than cast iron materials (FC materials) and aluminum die-cast products, and the design strength is satisfied even if the wall thickness of the spiral part is reduced.
  • a molding method using a semi-molten die-cast material capable of so-called near net shape molding is employed for molding the scroll member.
  • the wide contact portion 55 with which the spiral extrusion pin 3 contacts is partially formed in the middle of the spiral portion 51 to form a spiral shape. It is no longer necessary to secure a width equal to or larger than the diameter of the spiral extrusion pin 3 for the entire portion 51. For this reason, it is not necessary to form the entire spiral portion 51 to be thicker than the design required thickness, and it is possible to take advantage of the thin wall forming feature of the forming method using a semi-molten die cast material.
  • the contact portion groove 13c for forming the wide contact portion 55 with which the spiral extrusion pin 3 contacts the spiral portion 51 of the scroll member 50 after molding A spiral push pin 3 that pushes the tip 51 a of the spiral portion 51, and an end plate push pin 4 that pushes the surface of the end plate 52.
  • the cooling pipe 5 is used as a cooling unit for cooling the molding die 2 installed on the wall 18 in the vicinity of the spiral groove 13a corresponding to the spiral part 51 in the movable die 11 of the molding die 2. It has. Thereby, cooling of the shaping
  • the mold 2 of the present embodiment further includes a cooling pipe 5 as a cooling part. While the cooling pipe 5 is provided, the wall between the grooves can be made sufficiently thick, so that the spiral groove corresponding to the spiral portion 51 in the mold 2 is cooled so as to cool the mold 2.
  • the cooling pipe 5 is installed in the vicinity of 13a.
  • the cooling pipe 5 for cooling the molding die 2 installed in the vicinity of the spiral groove 13a corresponding to the spiral portion 51 in the molding die 2 is further provided, the heat load of the molding die 2 is conventionally increased. It can reduce more effectively and can prolong the life of the mold 2.
  • the molding die 2 of the present embodiment is a molding die for molding the scroll member 50 having the spiral part 51 and the plate-shaped end plate 52 formed on the root side of the spiral part 51.
  • the mold 2 includes a main part of the mold 2 (that is, the movable mold 11 and the fixed mold 12), a spiral extrusion pin 3, and a mirror plate extrusion pin 4.
  • the spiral extrusion pin 3 pushes the tip of the spiral portion 51.
  • the end plate push pin 4 pushes the surface of the end plate 52.
  • the mold 2, the spiral extrusion pin 3, and the end plate extrusion pin 4 are provided, even when the spiral portion 51 of the scroll member 50 is poorly filled, the molded product is reliably molded. 2 can be pushed out, the take-out failure of the scroll member 50 is eliminated, and an excessive heat load on the mold 2 is prevented, so that the life of the mold 2 can be extended. In addition, the facility operation rate is improved.
  • the molding die 2 of the present embodiment is a molding die for molding the scroll member 50 having the spiral part 51 and the plate-like end plate 52 formed on the root side of the spiral part 51.
  • the spiral push pin 3 that pushes the tip of the spiral portion 51 is used as a plug for the through hole 15, and the end plate push pin 4 that pushes the surface of the end plate 52 is provided. Since the extrusion pin 3 at the tip of the spiral portion is used as a plug, it is used only as a passage for venting air. Further, for pushing out the scroll member 50, the end plate push pin 4 is used. For this reason, it is not necessary to consider the strength of the spiral tip extruding pin 3, and a smaller pin can be used as compared with the conventional extruding pin.
  • the groove width for the scroll member 50 can be made narrower, the strength of the mold 2 can be improved, and the life can be extended.
  • the extrusion timing may be delayed so that the extrusion force is not applied even if it is not a plug.
  • the end plate extrusion pin 4 is provided, the molded product can be reliably pushed out of the mold 2 even when the spiral portion 51 of the scroll member 50 is poorly filled. In order to eliminate defects and prevent an excessive heat load on the mold 2, the life of the mold 2 can be extended.
  • the mold 2 of the present embodiment further includes a cooling pipe 5.
  • the wall between the grooves can be made sufficiently thick, so that the groove 13a corresponding to the spiral portion 51 in the mold 2 is cooled so as to cool the mold 2.
  • a cooling pipe 5 is installed in the vicinity.
  • the cooling pipe 5 for cooling the molding die 2 installed in the vicinity of the groove 13a corresponding to the spiral portion 51 in the molding die 2 is further provided, the heat load of the molding die 2 is more effective than before. The life of the mold 2 can be extended.
  • the cooling pipe 5 for continuously supplying cooling water has been described as an example of the cooling unit for cooling the mold 2, but the present invention is not limited to this.
  • Various other cooling means can be employed.
  • various liquid refrigerants other than water and piping for supplying a gas refrigerant, or an electrically cooling element such as a Peltier element can be employed.
  • the present invention can be widely applied to a mold for a scroll member having a spiral portion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
PCT/JP2010/063043 2009-09-10 2010-08-02 スクロール部材用成形型 WO2011030633A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201080040043.2A CN102483062B (zh) 2009-09-10 2010-08-02 涡旋部件用成形模

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-209055 2009-09-10
JP2009209055A JP4684345B2 (ja) 2009-09-10 2009-09-10 スクロール部材用成形型

Publications (1)

Publication Number Publication Date
WO2011030633A1 true WO2011030633A1 (ja) 2011-03-17

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CN (1) CN102483062B (zh)
WO (1) WO2011030633A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5672228B2 (ja) * 2011-12-23 2015-02-18 株式会社デンソー 電力変換装置
WO2021203662A1 (zh) * 2020-04-10 2021-10-14 艾默生环境优化技术(苏州)有限公司 涡旋压缩机的静涡旋、用于制造静涡旋的中间件及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08155626A (ja) * 1994-12-02 1996-06-18 Nippondenso Co Ltd 圧縮機用スクロール鋳造方法およびその鋳造装置
JP2000102851A (ja) * 1998-09-28 2000-04-11 Honda Motor Co Ltd 金属成形品の製造装置
JP2004003410A (ja) * 2002-04-08 2004-01-08 Matsushita Ecology Systems Co Ltd スクロール圧縮装置
JP2005052892A (ja) * 2003-07-18 2005-03-03 Howa Kk ダイキャスト用金型の冷却路形成方法、シリンダブロックのウォータジャケット用入子金型及び圧縮機用スクロール製造用金型

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002219553A (ja) * 2001-01-29 2002-08-06 Toyota Industries Corp 鋳造装置、鋳造成形品、及びスクロール
CN100346075C (zh) * 2004-10-21 2007-10-31 恒升精密科技股份有限公司 压缩机的涡卷加工方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08155626A (ja) * 1994-12-02 1996-06-18 Nippondenso Co Ltd 圧縮機用スクロール鋳造方法およびその鋳造装置
JP2000102851A (ja) * 1998-09-28 2000-04-11 Honda Motor Co Ltd 金属成形品の製造装置
JP2004003410A (ja) * 2002-04-08 2004-01-08 Matsushita Ecology Systems Co Ltd スクロール圧縮装置
JP2005052892A (ja) * 2003-07-18 2005-03-03 Howa Kk ダイキャスト用金型の冷却路形成方法、シリンダブロックのウォータジャケット用入子金型及び圧縮機用スクロール製造用金型

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CN102483062A (zh) 2012-05-30
JP2011058423A (ja) 2011-03-24
CN102483062B (zh) 2015-05-20
JP4684345B2 (ja) 2011-05-18

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