WO2014046132A1 - 成形機 - Google Patents

成形機 Download PDF

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Publication number
WO2014046132A1
WO2014046132A1 PCT/JP2013/075160 JP2013075160W WO2014046132A1 WO 2014046132 A1 WO2014046132 A1 WO 2014046132A1 JP 2013075160 W JP2013075160 W JP 2013075160W WO 2014046132 A1 WO2014046132 A1 WO 2014046132A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
molding machine
plate
mold
structural body
Prior art date
Application number
PCT/JP2013/075160
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
靖丈 澤田
Original Assignee
東洋機械金属株式会社
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 東洋機械金属株式会社 filed Critical 東洋機械金属株式会社
Priority to CN201380049198.6A priority Critical patent/CN104703774A/zh
Publication of WO2014046132A1 publication Critical patent/WO2014046132A1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations

Definitions

  • the present invention relates to a molding machine such as an injection molding machine and a die-casting machine, and more particularly to a configuration of a frame on which a mold apparatus, a mold clamping apparatus, an injection apparatus, an ejection apparatus, and the like are mounted.
  • the injection molding machine is a mold device composed of a fixed mold and a movable mold, a mold clamping device that opens and closes the mold apparatus, and a plasticized resin material is injected into a cavity formed in the mold apparatus.
  • An injection device for filling and an ejecting device for taking out a molded product from the mold device, etc., are constructed.
  • Each of these devices is mounted on a frame-shaped structure called a frame.
  • the frame for the injection molding machine has high rigidity. There is a strong need to be. The situation is the same for the frame for the die casting machine.
  • the applicant of the present invention firstly, as a frame for an injection molding machine, a longitudinal member disposed in parallel with each other, a flat plate member for a base fixed to the upper surface of the longitudinal member, and a bottom portion fixed to the bottom surface of the longitudinal member.
  • a member composed of a flat plate member and a reinforcing member having a frame structure fixed to at least two of these members has been proposed (see FIG. 1 of Patent Document 1).
  • This frame is formed of I-shaped steel, C-shaped steel or H-shaped steel in which the vertical member has a height dimension substantially equal to the frame height.
  • the frame of this configuration has a rectangular parallelepiped structure composed of a vertical member, a base flat plate member, and a bottom flat plate member, and is configured to carry the entire weight of each mounted device by the vertical member.
  • the longitudinal direction and the main operating direction of the injection molding machine coincide with each other, and it has a very simple structure and high rigidity.
  • the internal space can be made wide and simple, it is possible to easily store electrical components, product transfer devices, hydraulic devices, hydraulic pipes, and the like.
  • the reinforcing member having a frame structure is arranged between the vertical members, the reinforcing member functions as if it is a bamboo node, and the strength of the frame can be remarkably improved by simple reinforcement.
  • the present invention has been made in view of such a state of the art, and an object of the present invention is to provide a molding machine including a frame that is lightweight and highly rigid and can easily perform necessary processing. There is.
  • the present invention provides a mold clamping device that opens and closes a mold device, an injection device that injects and fills a molding material into a cavity formed in the mold device, and each of these devices.
  • the frame includes a bottom structure and a rectangular parallelepiped upper structure assembled on the bottom structure, and the upper structure includes: It consists of a combination of a plurality of plates with window holes in the required part, and the bottom structure is composed of two main steels arranged in parallel to each other and these two main materials
  • the horizontal crosspieces are formed in a frame shape with a plurality of crosspieces made of steel, and the horizontal crosspieces are opposed to both end portions of the main material and both side portions of the window holes formed in the upper structure. It is characterized by being placed in position .
  • the frame of the molding machine is formed by combining a bottom structure formed into a frame shape by combining a plurality of steel molds and a plurality of plates, and assembled on the bottom structure. Therefore, the weight can be reduced as compared with a conventional frame having a large and heavy vertical member made of I-shaped steel, C-shaped steel or H-shaped steel as an essential component.
  • a large and heavy vertical member is provided in the required portion of each plate member constituting the upper structure because the window holes necessary for wiring and piping routing and maintenance of each part of the molding machine are opened. As compared with the case of opening a window hole in the window, the processing of the window hole can be facilitated.
  • the vibration-proof rubber mounting holes can be opened in the relatively light main material constituting the bottom structure, the vibration-proof rubber mounting holes are opened in a large and heavy vertical member. Compared to the above, it is possible to facilitate the processing of the vibration-proof rubber mounting holes. Furthermore, according to the above configuration, since the horizontal beam of the bottom structure is arranged at a position facing both side portions of the window hole opened in the upper structure, the rigidity reduction due to the opening of the window hole can be reduced by the horizontal beam. Therefore, the frame can be a highly rigid frame as a whole.
  • the present invention is characterized in that, in the molding machine having the above-described configuration, an anti-vibration rubber mounting hole is provided in a required portion of the main material.
  • the vibration-proof rubber mounting hole is opened in the main material of the bottom structure, the mounting hole is larger than the case where the vibration-proof rubber mounting hole is opened in the vertical member made of large and heavy steel. Can be made easier.
  • the upper structure includes a bottom plate that covers an upper surface of the bottom structure, a top plate on which the mold clamping device and the injection device are mounted, and the bottom plate and the top plate. And a vertical plate connecting the two.
  • the upper structure includes the bottom plate that covers the upper surface of the bottom structure and the top plate on which the mold clamping device and the injection device are mounted.
  • the mold clamping device and the injection device can be easily mounted.
  • a frame for a molding machine is composed of a bottom structure and a rectangular parallelepiped upper structure assembled on the bottom structure, and a window hole is formed in a required portion of the upper structure.
  • a vertical member made of large and heavy steel is an essential component. Compared with this frame, the weight can be reduced while maintaining the required rigidity, and the processing of the window hole and the vibration-proof rubber mounting hole can be facilitated.
  • the molding machine includes a frame 1, a mold clamping device 2 and an injection device 3 mounted on the frame 1.
  • the mold clamping device 2 is disposed opposite to each other at a predetermined interval, and is disposed between the tail stock 21 and the fixed die plate 22 fixed on the frame 1, and between the tail stock 21 and the fixed die plate 22, respectively.
  • a movable die plate 23 that is slidably mounted on the frame 1, and a mold opening / closing mechanism that both ends are connected to the tailstock 21 and the movable die plate 23, and that reciprocates the movable die plate 23 by the rotational force of a motor (not shown).
  • a mold clamping mechanism 24 A fixed die 25 is mounted on the fixed die plate 22, and a movable die 26 is mounted on the movable die plate 23.
  • the mold opening / closing / clamping mechanism 24 includes a toggle link mechanism 24a, a ball screw mechanism 24b that converts a rotational force of a motor (not shown) into a straight advance force, and transmits it to the toggle link mechanism 24a. It is composed of An ejecting device (not shown) for taking out a molded product from the die device is provided in the vicinity of the die device composed of the fixed die 25 and the movable die 26.
  • the injection device 3 includes a cylindrical heating cylinder 32 having an injection nozzle 31 attached to the tip, an injection screw 33 housed in the heating cylinder 32 so as to be rotatable and capable of moving forward and backward, and an injection screw 33 to be rotatable.
  • a supporting member 34 to be supported, a screw driving unit 35 for rotating and moving the injection screw 33 forward and backward, a hopper 36 for storing the raw material resin, and a raw material resin stored in the hopper 36 are supplied into the heating cylinder 32.
  • the hopper block 37 is mainly constituted.
  • a band heater 38 for heating the resin supplied into the heating cylinder 32 is wound around the outer periphery of the heating cylinder 32.
  • the injection nozzle 31 is pressed against the fixed mold 25 during continuous operation.
  • the raw material resin in the hopper 36 is introduced into the heating cylinder 32 accordingly.
  • the raw material resin introduced into the heating cylinder 32 is melted by the frictional heat and shearing heat generated by the rotational drive of the injection screw 33 and the heat generated by the band heater 38 and is sequentially stored at the tip of the heating cylinder 32.
  • the injection screw 33 is driven forward, and the predetermined amount of molten resin stored at the tip of the heating cylinder 32 is injected and filled into the mold cavity. Is done. Thereby, a molded product having a predetermined shape is obtained.
  • the frame 1 includes a bottom structure 11 and a rectangular parallelepiped upper structure 12 assembled on the bottom structure 11.
  • the bottom structure 11 includes a main material 111 made of two H-shaped steels arranged in parallel to each other, and a plurality of the main materials 111 that connect the two main materials 111 (in the example of FIG. 3, The whole is formed in a long rectangular frame shape with a horizontal crosspiece 112 made of 7) C-shaped steel. Two of the plurality of horizontal bars 112 are arranged at the end of the main material 111, and the other plural (five in the example of FIG. 3) horizontal bars 112 are opened in the upper structure 12. It arrange
  • a plurality of vertical reinforcing pieces 113 are welded to the outer surface of the main material 111.
  • the main material 111 is formed of H-shaped steel and the cross beam 112 is formed of C-shaped steel.
  • the gist of the present invention is not limited to this, and I-shaped steel and C-shaped steel. Or the shape steel selected from H-shape steel etc. can be used suitably.
  • a flat steel plate can be bent and formed into a required shape such as a C shape.
  • a plurality of anti-vibration rubber mounting holes 114 are formed in a predetermined arrangement on the lower pieces of the two structural steels constituting the main material 111. Since the main material 111 is formed of a smaller and lighter shape steel at each step than the vertical member described in Patent Document 1, the opening work of the vibration-proof rubber mounting hole 114 can be easily performed.
  • the anti-vibration rubber mounting hole 114 is opened between two longitudinal reinforcing pieces 113 arranged adjacent to each other as shown in FIG. In this way, as shown in FIG. 6, since the anti-vibration rubber 115 can be installed on the highly rigid portion reinforced by the vertical reinforcing piece 113, the heavy frame 1 is supported by the plural anti-vibration rubbers 115. Even in this case, the deformation of the frame 1 can be prevented.
  • the anti-vibration rubber 115 includes an anti-vibration rubber main body 115 a formed in a disc shape, and a mounting bolt whose one end is fixed to the central portion of the anti-vibration rubber main body 115 a and whose tip is erected vertically. 115b and a nut 115c screwed to the mounting bolt 115b.
  • the attachment of the anti-vibration rubber 115 to the main material 111 is performed by inserting a mounting bolt 115b into the anti-vibration rubber attachment hole 114 formed in the main material 111 from below the main material 111, and a nut 115c. It is done by fastening at.
  • the upper structure 12 includes a bottom plate 121 that covers the upper surface of the bottom structure 11, a top plate 122 on which the mold clamping device 2 and the injection device 3 are mounted, and the plates 121 and 122.
  • a plurality of vertical plates 124 disposed between the two are formed in a rectangular parallelepiped structure. Each of these plates and each member is assembled by welding.
  • the bottom plate 121 and the bottom structure 11 are also assembled together by welding. As a result, the rigidity of the upper structure and thus the frame can be increased.
  • a combination of a plurality of vertical plates 124 and a plurality of horizontal plates 123, a multistage accessory case 123 a, a control device storage portion 123 b that controls the entire molding machine, and a molding A control panel storage portion 123c for supplying power to the machine is formed.
  • a housing portion 123 d such as an amplifier is formed by combining a plurality of vertical plates 124. Spaces for storing various devices are formed between the vertical plates 124, and necessary parts of the vertical plates 124 are used for routing of wirings and piping and maintenance of each part of the molding machine. Necessary window holes 124a are opened.
  • the horizontal rail 112 of the bottom structure 11 described above is disposed at a position facing both side portions of the window hole 124 a formed in a required portion of the vertical plate 124.
  • the top plate 122 has four through holes for dropping the grease leaked from the toggle link mechanism 24 a on the mounting side of the mold clamping device 2 into a grease receiver (not shown) disposed below.
  • a hole 122a is opened, and a large-diameter through-hole 122b for taking out a molded product from the mold apparatus is opened in the adjacent portion.
  • a plurality of seat plates 122c for fixing the injection device are provided in a predetermined arrangement.
  • a hook 122 d for engaging a suspension device such as a chain block is fixed to the central portion of the top plate 122.
  • the frame-type member 123 is provided in a part of the upper structure 12, but the upper structure 12 can be configured only by the combination of the vertical plates 124.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
PCT/JP2013/075160 2012-09-21 2013-09-18 成形機 WO2014046132A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380049198.6A CN104703774A (zh) 2012-09-21 2013-09-18 成型机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-208300 2012-09-21
JP2012208300A JP6013110B2 (ja) 2012-09-21 2012-09-21 成形機

Publications (1)

Publication Number Publication Date
WO2014046132A1 true WO2014046132A1 (ja) 2014-03-27

Family

ID=50341442

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/075160 WO2014046132A1 (ja) 2012-09-21 2013-09-18 成形機

Country Status (3)

Country Link
JP (1) JP6013110B2 (zh)
CN (1) CN104703774A (zh)
WO (1) WO2014046132A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3075515A1 (en) * 2015-03-31 2016-10-05 Sumitomo Heavy Industries, Ltd. Injection molding machine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5980865B2 (ja) 2014-09-11 2016-08-31 ファナック株式会社 射出成形機
JP6634404B2 (ja) * 2017-06-22 2020-01-22 日精樹脂工業株式会社 射出成形機用ベース
JP7479193B2 (ja) 2020-05-14 2024-05-08 東洋機械金属株式会社 成形機

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05192956A (ja) * 1992-01-16 1993-08-03 Fanuc Ltd 射出成形機
JPH05278071A (ja) * 1992-03-31 1993-10-26 Fanuc Ltd 射出成形機のベース構造体
JP2000084979A (ja) * 1998-09-16 2000-03-28 Toyo Mach & Metal Co Ltd 射出成形機の高剛性フレーム
JP2004276553A (ja) * 2003-03-19 2004-10-07 Fanuc Ltd 射出成形機
JP2010012720A (ja) * 2008-07-04 2010-01-21 Fanuc Ltd 機台に制御装置を備えた射出成形機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658622A5 (de) * 1981-11-20 1986-11-28 Karl Hehl Maschinenfuss einer kunststoff-spritzgiessmaschine.
DE19949959C1 (de) * 1999-10-16 2001-05-23 Karl Hehl Spritzgießmaschine mit einem Maschinenfuß
CN1099948C (zh) * 2000-07-22 2003-01-29 韩进忠 大容量挤注成型机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05192956A (ja) * 1992-01-16 1993-08-03 Fanuc Ltd 射出成形機
JPH05278071A (ja) * 1992-03-31 1993-10-26 Fanuc Ltd 射出成形機のベース構造体
JP2000084979A (ja) * 1998-09-16 2000-03-28 Toyo Mach & Metal Co Ltd 射出成形機の高剛性フレーム
JP2004276553A (ja) * 2003-03-19 2004-10-07 Fanuc Ltd 射出成形機
JP2010012720A (ja) * 2008-07-04 2010-01-21 Fanuc Ltd 機台に制御装置を備えた射出成形機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3075515A1 (en) * 2015-03-31 2016-10-05 Sumitomo Heavy Industries, Ltd. Injection molding machine
CN106003543A (zh) * 2015-03-31 2016-10-12 住友重机械工业株式会社 注射成型机

Also Published As

Publication number Publication date
JP2014061655A (ja) 2014-04-10
JP6013110B2 (ja) 2016-10-25
CN104703774A (zh) 2015-06-10

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