WO2015076211A1 - 射出成形機 - Google Patents

射出成形機 Download PDF

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Publication number
WO2015076211A1
WO2015076211A1 PCT/JP2014/080257 JP2014080257W WO2015076211A1 WO 2015076211 A1 WO2015076211 A1 WO 2015076211A1 JP 2014080257 W JP2014080257 W JP 2014080257W WO 2015076211 A1 WO2015076211 A1 WO 2015076211A1
Authority
WO
WIPO (PCT)
Prior art keywords
die plate
mold
support
injection molding
molding machine
Prior art date
Application number
PCT/JP2014/080257
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
岡崎　雅則
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 CN201480064460.9A priority Critical patent/CN106029332B/zh
Publication of WO2015076211A1 publication Critical patent/WO2015076211A1/ja

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Classifications

    • 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
    • B29C45/64—Mould opening, closing or clamping devices
    • 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
    • B29C45/1742—Mounting of moulds; Mould supports
    • B29C45/1744—Mould support platens
    • 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
    • B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
    • B29C2045/1763—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames preventing distortion of the machine part guiding the movable mould

Definitions

  • the present invention relates to an injection molding machine that molds a molded body by opening and closing a mold. More particularly, the present invention relates to an injection molding machine capable of adjusting the parallelism position of a mold that is opened and closed.
  • a granular thermoplastic resin as a raw material is fed into a heating cylinder, and the resin at the tip of the screw is melted by a reciprocating screw provided in the heating cylinder.
  • Send to the nozzle side inject the molten resin into the mold cavity from the nozzle provided on the tip of the screw, cool the molten resin in the cavity and solidify, then open the mold and mold with the protruding pin etc.
  • the molded product is molded by removing the molded product attached to the mold from the mold.
  • Such an injection molding machine for molding a molded body such as plastic is roughly composed of a mold clamping unit and an injection unit.
  • a fixed mold and a movable mold are generally provided, and the movable mold is fixed to the fixed mold by movable means such as a toggle link mechanism including a plurality of connecting arms. Advance and retreat and perform mold closing (clamping) or mold opening.
  • Patent Document 1 discloses a fixing platen to which a fixed mold is attached in order to solve the problem that the parallelism of the mold cannot be maintained and the accuracy of the molded product is reduced. It consists of a moving plate with a moving mold attached and a mold opening / closing device that connects the fixed platen with a plurality of tie bars via the moving plate. The mold opening / closing device allows the moving plate to be separated, approached and pressed against the fixed platen.
  • the movable platen includes a mold mounting plate that is guided by a linear guide mechanism and supports the load of the mold, and a connecting plate that includes an adjusting device that aligns the connecting member of the mold opening and closing device. It is described that it comprises.
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2006-289738 describes a linear guide and a linear guide as a guide for the purpose of easily adjusting the vertical and horizontal directions of the moving die.
  • a plurality of adjusting mechanisms provided between the moving die and the mounting base in the movable die and capable of independently adjusting the vertical and horizontal inclinations of the moving die in the horizontal plane. It is a wedge that is inserted between the die and the mounting base and adjusts the vertical and horizontal inclinations of the moving die in the horizontal plane according to the amount of insertion. Bets have been described.
  • JP 2009-269392 A (Patent Document 3) describes a fixed platen for the purpose of improving the quality of an injection molded product by ensuring the parallelism between the fixed platen and the movable platen.
  • a mold clamping device of an injection molding machine comprising a movable plate that moves forward and backward in parallel to the tie bar on the base and clamps the mold between the fixed plate and a parallel to the tie bar on the base Installed guide rails, guide blocks that are arranged on both sides of the movable plate and guided along the guide rails, one end is fixed to the guide block, and the other end is a substantially central position in the vertical direction on the side of the movable plate And a guide connecting member fixed to the head.
  • the movable platen side can be adjusted as necessary with respect to the fixed platen, with the support of the movable platen being the vertical center on both sides of the platen body.
  • a fixed plate and a pressure plate that are connected to each other on the machine base by connecting with a tie bar
  • Horizontal mold clamping device comprising a movable plate provided between the plates so as to be movable back and forth, a clamping means of a hydraulic cylinder or a toggle mechanism provided between the movable plate and the pressure receiving plate, and a guide means that also supports the movable platen
  • the guide means is installed in parallel on both the operation side and the non-operation side of the movable board, and a support member is provided on the traveling member of the guide portion of the guide means. Center is movable by support pin Is attached to the stationary, fixed
  • the present invention has been made in view of the above problems, and an object of the present invention is to make it possible to adjust the pitching direction and the tilt in the roll direction of a die plate to which the mold is mounted with a simple structure, and to make the mold parallel. It is to provide an injection molding machine capable of improving the quality of a molded body molded by a mold by securing the degree.
  • the invention relating to the present injection molding machine is an injection molding machine comprising a die plate to which a mold is mounted and a support frame for supporting the die plate, wherein the support frame is provided on a side portion of the die plate.
  • the support frame is provided with a first support pin whose axial direction is the left-right direction of the die plate, and a second support pin whose axial direction is the vertical direction of the die plate,
  • a support pin rotatably supports the die plate in the pitching direction
  • a second support pin rotatably supports the support frame that rotatably supports the die plate in the pitching direction in the yawing direction. It is characterized by that.
  • the invention according to this injection molding machine includes a first fixing means for preventing the die plate from being rotated in the pitching direction, and a second fixing for preventing the die plate from being rotated in the yawing direction. Means.
  • the invention relating to the present injection molding machine is an injection molding machine comprising a die plate to which a mold is mounted and a support frame for supporting the die plate, wherein the support frame is provided on a side portion of the die plate.
  • the die plate is rotatably supported in the pitching direction by a first support pin provided on the support frame, the left and right direction of the die plate being an axial direction, and the die is supported by the first support pin.
  • the position for rotatably supporting the plate in the pitching direction is arranged above the position of the center of gravity of the die plate.
  • the invention relating to the present injection molding machine is characterized in that it comprises first fixing means for preventing the die plate from rotating in the pitching direction.
  • the die plate is a moving die plate that is moved in a mold opening / closing direction of the mold by a driving device
  • the mold is a moving mold that is mounted on the moving die plate. It is characterized by being.
  • a die plate such as a movable die plate to which a mold is mounted is rotated in the pitching direction with the first support pin as a fulcrum, or in the yawing direction with the second support pin as a fulcrum.
  • the position can be adjusted so that the parallelism of the mold is ensured.
  • die it fixes so that it may not rotate by the 1st, 2nd fixing means.
  • the mold can be clamped in a state in which the parallelism of the mold is ensured, so that the deviation in the parallelism of the mold that adversely affects the molding quality can be suppressed, and the quality of the molded body to be molded It is possible to improve.
  • the position of the first support pin that supports the die plate so as to be rotatable in the pitching direction is disposed above the position of the center of gravity of the die plate.
  • FIG. 1 is a configuration diagram illustrating a main part of a mold clamping unit configured in an injection molding machine according to an example of the present invention.
  • FIG. 2 is a perspective view showing a moving die plate to which a moving mold is mounted.
  • FIG. 3 is a front view showing a moving die plate to which a moving mold is mounted.
  • FIG. 4 is a side view showing a moving die plate to which a moving mold is mounted.
  • FIG. 5 is a plan view showing a moving die plate to which a moving mold is mounted.
  • the injection molding machine of the present invention can be broadly divided into a mold clamping unit 3 for opening and closing the movable mold 2 relative to the fixed mold 1 and an injection unit for injecting molten resin into the cavity of the mold closed.
  • the gist of the present invention relates to the mold clamping unit 3, the explanation and illustration of the injection unit are omitted, and the mold clamping unit 3 will be described below.
  • the mold clamping unit 3 is provided with a toggle link mechanism 4 that uses a non-illustrated electric motor as a drive source to move the movable mold 2 forward and backward relative to the fixed mold 1 to perform mold closing and mold closing and mold opening.
  • the toggle link mechanism 4 is configured by connecting a plurality of link arms 5 so as to be adjacent to each other, and the moving die to which the moving mold 2 is mounted is attached as the connected link arms 5 extend and bend.
  • the plate 6 is moved back and forth, and accordingly, the movable mold 2 is moved back and forth in the mold opening / closing direction.
  • a temperature adjustment template 7 for adjusting the temperature of a mold or the like is configured on the front side of the movable die plate 6, and the movable mold 2 is mounted on the temperature adjustment template 7.
  • a fixed die plate 9 to which the fixed mold 1 is mounted, two linear motion guides 10, a holding frame (not shown), and the like are fixed on a machine base 8 configured in an injection molding machine.
  • a plurality of cylindrical tie bars 11 are installed on the fixed die plate 9 and the holding frame fixed on the machine base 8.
  • the tie bar 11 and the two linear motion guides 10 are fixed on the machine base 8 so that the longitudinal direction thereof is the mold opening / closing direction of the mold.
  • Each of the linear motion guides 10 is engaged with an engagement member 12 that is movable forward and backward along the longitudinal direction of the linear motion guide 10, and a support frame 13 is integrally provided on each of the engagement members 12. It has been.
  • the support frame 13 is disposed on both sides of the movable die plate 6.
  • Each of the support frames 13 disposed on both sides of the movable die plate 6 is provided with a first support pin 14 having the left-right direction of the movable die plate 6 as the axial direction.
  • the support frame 13 disposed on one side of the movable die plate 6 is provided with second support pins 15 that have the vertical direction of the movable die plate 6 as the axial direction.
  • the movable die plate 6 is rotatably supported in the pitching direction by the first support pins 14 of the support frame 13, and the support frame 13 that supports the movable die plate 6 is yawed by the second support pins 15. It is supported so that it can rotate in any direction.
  • the first support pin 14 is provided above the position of the center of gravity of the movable die plate 6.
  • the movable die plate 6 is configured to be rotatable in the pitching direction with the first support pin 14 as a fulcrum, and is configured to be rotatable with the support frame 13 in the yawing direction with the second support pin 15 as a fulcrum.
  • the mold is opened and closed by operating the injection molding machine, it is necessary to prevent the movable die plate 6 from rotating in the pitching direction and the yawing direction.
  • the movable die plate 6 is fastened and fixed integrally to the support frame by the first fixing bolts 16 as the first fixing means disposed on the side of the support frame 13, and the support The support frame 13 that supports the movable die plate 6 is integrated with the engaging member 12 engaged with the linear guide 10 by the second fixing bolt 17 that is the second fixing means disposed on the upper surface of the frame 13. Fastened and fixed.
  • the mold clamping unit 3 includes a horizontal adjustment jack for horizontally adjusting the position of the movable die plate supported by the support frame 13 with respect to the engagement member 12 engaged with the linear motion guide 10. It has a mechanism 18.
  • the horizontal adjustment jack mechanism 18 is provided on one of the support frames 13 disposed on both sides of the movable die plate 6.
  • a first jack bolt 19 provided in the horizontal adjustment jack mechanism 18 is disposed below the support frame 13, and rotates the first jack bolt 19 that connects the support frame 13 and the engagement member 12. As a result, the position of the support frame 13 is moved in the longitudinal direction of the linear motion guide 10, thereby making it possible to adjust the horizontal inclination of the movable mold 2 mounted on the movable die plate 6.
  • the mold clamping unit 3 has a vertical adjustment jack mechanism 20 for adjusting the position of the movable die plate 6 from the forward tilt to the rear tilt with respect to the support frame 13 arranged in an upright manner. Yes.
  • a second jack bolt 21 provided in the vertical adjustment jack mechanism 20 is disposed between the support frame 13 and the movable die plate 6, and connects the support frame 13 and the movable die plate 6. 2, by rotating the jack bolt 21, the position of the movable die plate 6 can be adjusted from the forward tilt to the rear tilt with respect to the support frame 13. By adjusting the position, the movable die plate 6 The mounted moving mold 2 can be adjusted in inclination from forward to backward inclination.
  • the first fixing bolt 16 is loosened or removed to release the fastening between the movable die plate 6 and the support frame 13, and the second fixing bolt 17 is also loosened or removed to remove the support frame. 13 and the engagement member 12 are released. Then, the movable die plate 6 on which the movable mold 2 is mounted is in a state of being rotatable in the yawing direction and the pitching direction.
  • first fixed bolt 16 and the second fixed bolt 17 are tightened while the parallelism of the movable mold 2 with respect to the fixed mold 1 is secured, and the movable die plate 6 rotates in the yawing direction and the pitching direction. Fix so that there is no.
  • the support frame 13 is provided on the side portion of the movable die plate 6, and the support frame 13 is provided with the second direction in which the horizontal direction of the movable die plate 6 is the axial direction.
  • 1 support pin 14 and a second support pin 15 having the vertical direction of the movable die plate 6 as an axial center direction are provided, and the first support pin 14 is capable of rotating the movable die plate 6 in the pitching direction.
  • the second support pin 15 supports the support frame 13 that supports the movable die plate 6 so as to be rotatable in the pitching direction, and rotatably supports the yawing direction.
  • the first support pin 14 is arranged such that the position where the movable die plate 6 is rotatably supported in the pitching direction is located above the center of gravity of the movable die plate 6.
  • the movable die plate 6 to which the movable mold 2 is mounted can be rotated in the pitching direction with the first support pin 14 as a fulcrum, or can be rotated in the yawing direction with the second support pin 15 as a fulcrum.
  • the position adjustment can be performed so that the parallelism of the movable mold 2 with respect to the fixed mold 1 is ensured.
  • the movable die plate 6 is fixed by the first and second fixing bolts 16 and 17 so as not to rotate.
  • the mold can be clamped in a state in which the parallelism of the mold is ensured. Therefore, it is possible to suppress the deviation in the parallelism of the mold that adversely affects the molding quality. It becomes possible to improve quality.
  • the position of the first support pin 14 that supports the movable die plate 6 so as to be rotatable in the pitching direction is disposed above the position of the center of gravity of the movable die plate 6.
  • the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the gist of the present invention.
  • the target supported by the support frame 13 has been described as the movable die plate 6 to which the movable mold 2 is mounted.
  • the fixed die plate to which the fixed mold 1 is mounted. 9 may be configured to be supported by the support frame 13. In that case, it is possible to adjust the position of the fixed mold with respect to the moving mold.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
PCT/JP2014/080257 2013-11-25 2014-11-14 射出成形機 WO2015076211A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480064460.9A CN106029332B (zh) 2013-11-25 2014-11-14 一种注塑成型机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013243095A JP6239352B2 (ja) 2013-11-25 2013-11-25 射出成形機
JP2013-243095 2013-11-25

Publications (1)

Publication Number Publication Date
WO2015076211A1 true WO2015076211A1 (ja) 2015-05-28

Family

ID=53179475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/080257 WO2015076211A1 (ja) 2013-11-25 2014-11-14 射出成形機

Country Status (3)

Country Link
JP (1) JP6239352B2 (zh)
CN (1) CN106029332B (zh)
WO (1) WO2015076211A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112140465A (zh) * 2020-08-24 2020-12-29 佛山市宝塑精密机械有限公司 一种滑脚组件及注塑机

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102468968B1 (ko) * 2016-08-10 2022-11-21 엘에스엠트론 주식회사 사출성형기의 이동 형판의 위치 조절 장치
CN106426665A (zh) * 2016-10-14 2017-02-22 博创智能装备股份有限公司 动模支撑板组件
JP6882627B2 (ja) * 2017-02-10 2021-06-02 株式会社ニイガタマシンテクノ 射出成形機の可動盤支持機構
JP7080695B2 (ja) * 2018-03-29 2022-06-06 住友重機械工業株式会社 射出成形機

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11129302A (ja) * 1997-10-29 1999-05-18 Nissei Plastics Ind Co 射出成形機の型締装置
JP2002240118A (ja) * 2001-02-20 2002-08-28 Meiki Co Ltd 型締装置
JP2006256034A (ja) * 2005-03-16 2006-09-28 Nissei Plastics Ind Co 射出成形機の型締装置
JP2007253532A (ja) * 2006-03-24 2007-10-04 Fanuc Ltd 射出成形機の型締機構
JP2010089295A (ja) * 2008-10-06 2010-04-22 Sodick Plastech Co Ltd 射出成形機の横型型締装置
JP2013212627A (ja) * 2012-04-02 2013-10-17 Fanuc Ltd 射出成形機の型締機構

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3914937B2 (ja) * 2004-04-05 2007-05-16 ファナック株式会社 射出成形機の型締機構
JP4550649B2 (ja) * 2005-04-08 2010-09-22 東芝機械株式会社 移動ダイの支持装置及び型締装置
JP5800877B2 (ja) * 2013-10-04 2015-10-28 ファナック株式会社 可動プラテンの調整機構

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11129302A (ja) * 1997-10-29 1999-05-18 Nissei Plastics Ind Co 射出成形機の型締装置
JP2002240118A (ja) * 2001-02-20 2002-08-28 Meiki Co Ltd 型締装置
JP2006256034A (ja) * 2005-03-16 2006-09-28 Nissei Plastics Ind Co 射出成形機の型締装置
JP2007253532A (ja) * 2006-03-24 2007-10-04 Fanuc Ltd 射出成形機の型締機構
JP2010089295A (ja) * 2008-10-06 2010-04-22 Sodick Plastech Co Ltd 射出成形機の横型型締装置
JP2013212627A (ja) * 2012-04-02 2013-10-17 Fanuc Ltd 射出成形機の型締機構

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112140465A (zh) * 2020-08-24 2020-12-29 佛山市宝塑精密机械有限公司 一种滑脚组件及注塑机

Also Published As

Publication number Publication date
CN106029332B (zh) 2018-05-11
JP6239352B2 (ja) 2017-11-29
JP2015100994A (ja) 2015-06-04
CN106029332A (zh) 2016-10-12

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