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WO2018037681A1 - 金型用射出装置取付プレート及び金型 - Google Patents

金型用射出装置取付プレート及び金型 Download PDF

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Publication number
WO2018037681A1
WO2018037681A1 PCT/JP2017/022111 JP2017022111W WO2018037681A1 WO 2018037681 A1 WO2018037681 A1 WO 2018037681A1 JP 2017022111 W JP2017022111 W JP 2017022111W WO 2018037681 A1 WO2018037681 A1 WO 2018037681A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
mounting plate
injection device
injection
device mounting
Prior art date
Application number
PCT/JP2017/022111
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
祐一朗 有馬
拓也 大串
宮本　和明
Original Assignee
宇部興産機械株式会社
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 宇部興産機械株式会社 filed Critical 宇部興産機械株式会社
Priority to CN201780044134.5A priority Critical patent/CN109476060B/zh
Priority to KR1020197000863A priority patent/KR102155653B1/ko
Publication of WO2018037681A1 publication Critical patent/WO2018037681A1/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
    • B29C45/03—Injection moulding apparatus
    • B29C45/13—Injection moulding apparatus using two or more injection units co-operating with a single mould
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • 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
    • B29C45/26—Moulds
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2725—Manifolds
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws

Definitions

  • the present invention relates to a mold injection device mounting plate and a mold for mounting an inline screw type injection device to the mold.
  • a multi-color multi-material injection molding apparatus having a plurality of injection units of substantially the same size is widely used as an injection molding apparatus dedicated to a multilayer molded article for molding a multilayer molded article using a plurality of colors or types of resin materials. It has been.
  • Such a conventional multi-color multi-material injection molding apparatus can be suitably used when a plurality of colors or a plurality of types of resin materials used in one laminated molded product have substantially the same injection filling amount.
  • the injection filling amount between multiple colors or multiple types of resin materials, such as the main material and sub-material, and the injection filling of other sub-materials with respect to the injection filling amount of the main material
  • the amount is small, the secondary material is held in a plasticized state for a long time with respect to the main material in the injection unit for injecting and filling the secondary material, which may cause a deterioration in the quality of the secondary material.
  • the mold cavity into which the secondary material is injection-filled is often unevenly distributed at a plurality of locations as compared with the mold cavity into which the main material is injection-filled.
  • Patent Document 1 As shown in FIGS. 6 and 7, a main injection unit for the main material (first injection machine, not shown), a sub injection unit for the secondary material (second injection machine) 110, and An injection molding apparatus including the above is disclosed.
  • the sub-injection unit 110 includes a heating barrel (heating cylinder) 112 with a built-in screw 111, a flange 113 integrally formed at the rear end of the heating barrel 112, and a plurality of flanges 113.
  • An injection cylinder 115 attached via a tie bar 114, a slider 116 attached to the tie bar 114 so as to be movable between the injection cylinder 115 and the flange 113, and a metering motor 117 provided on the slider 116,
  • a screw type injection machine provided with a material supply pipe (hopper) 118 for supplying a material into the heating barrel 112.
  • a material supply pipe (hopper) 118 for supplying a material into the heating barrel 112.
  • a large-diameter hole 102 that can accommodate the heating barrel 112 of the sub-injection unit 110 is formed in the mold 100, and a resin supply port 104 is formed at the bottom of the large-diameter hole 102.
  • the sub-injection unit 110 having the above configuration includes an elastic member such as a spring so that the heating barrel 112 is inserted into the large-diameter hole 102 of the mold 100 and the injection nozzle 119 is in close contact with the resin supply port 104 of the mold 100. In the state of being urged by 122, it is attached to the mold 100 via the attachment mechanism 120.
  • an elastic member such as a spring
  • the injection molding apparatus of Patent Document 1 since the injection molding apparatus of Patent Document 1 has a configuration in which the elastic member 122 is interposed between the sub injection unit 110 and the mold 100, the sub injection unit 110 is firmly fixed to the mold 100. Is not possible. Further, the injection molding apparatus of Patent Document 1 is configured to press the injection nozzle 119 of the sub-injection unit 110 by the elastic member 122, so that a clearance for sliding between the related members is provided on the sliding portion of the related members. Therefore, the sub-injection unit 110 may move in a direction other than the urging direction of the elastic member 122.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to firmly attach an inline screw type injection device to a die, and to a die related to the attachment of the injection device.
  • An object of the present invention is to provide a mold injection device mounting plate and a mold with few side restrictions.
  • An injection device mounting plate for a mold according to the present invention is for a mold for mounting an inline screw type injection device having a fixed frame and a plasticized screw shaft that is rotatable and movable relative to the fixed frame to the mold.
  • An injection device mounting plate comprising: a side surface on which the fixed frame of the inline screw type injection device can be fixed; a hot runner that opens on the side surface and that can accommodate the plasticized screw shaft; The runner can plasticize and measure the resin material in cooperation with the plasticizing screw shaft of the in-line screw type injection device, and the plasticized resin material flows toward the mold cavity. It is comprised so that it can be made to do.
  • the hot runner includes a plasticized screw shaft accommodating portion capable of accommodating the plasticized screw shaft, and an injection resin flow path communicating with a gate of the cavity of the mold. It is preferable that the plasticized screw shaft housing portion is configured such that one end portion opens to the side surface and the other end portion communicates with the injection resin flow path. In this case, a gate valve capable of opening and closing the gate may be disposed in the injection resin flow path of the hot runner.
  • the hot runner is formed of a replaceable cylindrical separate part at least in a region in which the plasticized screw shaft can be accommodated.
  • the mold injection device mounting plate according to the present invention may be configured to be continuously arranged with a cavity block having a cavity surface capable of forming at least a part of the cavity of the mold.
  • the mold injection device mounting plate according to the present invention is configured to be disposed between the manifold block mounted on the mold mounting plate and the cavity block, and is formed on the manifold block. It is preferable to have a main injection resin flow path that communicates the main injection resin flow path with the main injection resin flow path formed in the cavity block.
  • the mold injection device mounting plate according to the present invention may be configured such that the inline screw type injection device is mounted.
  • a mold according to the present invention is characterized by including the above-described mold injection device mounting plate.
  • the mold according to the present invention further includes a cavity block having a cavity surface capable of forming at least a part of the cavity of the mold, and the mold injection device mounting plate is disposed continuously with the cavity block. It is good also as comprised.
  • the mold according to the present invention further includes a manifold block attached to the mold mounting board, and the mold injection device mounting plate is provided between the manifold block and the cavity block.
  • the manifold block, the mold injection device mounting plate, and the cavity block are each formed with a main injection resin flow path for flowing the molten resin injected and filled from the main injection unit toward the cavity. Is preferred.
  • an inline screw injection device it is possible to firmly attach an inline screw injection device to a mold, and there are few restrictions on the mold side related to the mounting of the injection device, and an injection device mounting plate for a mold, and Mold can be provided.
  • the injection molding device is configured by adding a mold injection device mounting plate 20 to which a small sub-injection unit 30 is mounted to an injection molding device main body 2 including a main injection unit 3. .
  • the injection molding apparatus main body 2 includes a main injection unit 3 for main materials, a fixed plate (die mounting plate) 4 and an end platen 8 fixed to a base 11, a fixed plate 4, A movable platen (die mounting plate) 5 provided between the end platen 8 to be movable relative to the fixed platen 4, a fixed die (die) 6 attached to the fixed platen 4, and the movable platen 5. Between the movable mold (mold) 7 attached, the four tie bars 9 provided through the four corners of the fixed plate 4, the movable plate 5 and the end platen 8, and the movable plate 5 and the end platen 8. And a mold clamping mechanism 10 that moves the movable platen 5 forward and backward with respect to the fixed platen 4.
  • a mold clamping mechanism 10 that moves the movable platen 5 forward and backward with respect to the fixed platen 4.
  • a through hole is formed in the fixed platen 4 from the back surface to the front surface (mold mounting surface), and the resin for the main injection unit is supplied to the fixed die 6 at a position aligned with the through hole of the fixed platen 4.
  • a mouth 6a is formed.
  • the nozzle of the main injection unit 3 is connected to the resin supply port 6a of the fixed mold 6 through the through hole of the fixed platen 4, and the main cavity section 6b (cavity of the fixed mold 6 and the movable mold 7). ) Is capable of injecting a molten resin as a main material.
  • the main injection unit 3, the stationary platen 4, the end platen 8, the movable platen 5, the movable mold 7, the tie bar 9, and the mold clamping mechanism 10 have various known configurations. The detailed description thereof will be omitted.
  • the fixed mold 6 can form a main cavity portion 6 b between the manifold block 24 attached to the fixed plate 4 via the mold attachment plate 22 and the movable mold 7.
  • a cavity block 26 having a cavity surface and a mold injection device mounting plate 20 provided between the manifold block 22 and the cavity block 26 are provided.
  • each of the manifold block 24, the mold injection device mounting plate 20, and the cavity block 26 has a main injection for flowing molten resin injected and filled from the main injection unit 3 toward the cavity.
  • Resin flow paths 24a, 20a, and 26a are formed, and the main gate 26b (gate) of the main injection resin flow path 26a is formed in the cavity block 26.
  • the main injection resin flow paths 24a, 20a, and 26a are so-called hot runners whose heating temperatures are controlled, and are configured to be able to hold the molten resin injected and filled from the main injection unit 3 in a molten state.
  • various known hot runners can be arbitrarily adopted for the main injection resin flow paths 24a, 20a, and 26a, and thus detailed description thereof is omitted. .
  • the mold injection device mounting plate 20 includes a plasticized screw shaft accommodating portion 20b for accommodating a plasticized screw shaft 35a described later of the sub injection unit 30, and a plasticized screw.
  • a sub-injection resin flow path (injection resin flow path) 20c is formed for allowing the molten resin plasticized in the shaft accommodating portion 20b to flow toward an extended cavity portion 6c (cavity), which will be described later.
  • a sub-gate 26c (gate) is formed at a position aligned with the extended cavity portion 6c.
  • Both the plasticized screw shaft accommodating portion 20b and the sub-injection resin flow path 20c are so-called hot runners whose heating temperature is controlled.
  • the plasticized screw shaft housing portion 20b and the sub-injection resin flow path 20c are configured by separate cylindrical parts embedded in holes formed in the mold injection device mounting plate 20.
  • the hot runner is configured with separate replaceable parts in this way, so that various resin materials can be handled in addition to the replacement of the plasticizing screw shaft 35a of the sub injection unit 30. It can also be realized by exchanging runners.
  • the heating means for the plasticized screw shaft accommodating portion 20b and the sub-injection resin flow path 20c it is possible to arbitrarily employ heating means provided in various known hot runners. Therefore, detailed description thereof is omitted.
  • the plasticizing screw shaft accommodating portion 20b is formed in a cylindrical shape having an inner diameter substantially the same as or slightly larger than the outer diameter of the plasticizing screw shaft 35a of the sub injection unit 30, and one end portion is an injection device for a mold. An opening is formed on the side surface of the mounting plate 20, and the other end is formed so as to communicate with the sub-injection resin flow path 20c.
  • the plasticized screw shaft housing portion 20b intersects the mold opening / closing direction of the movable mold 7 from the side surface of the mold injection device mounting plate 20 toward the center of the mold injection device mounting plate 20. It is formed along the direction.
  • a plasticizing screw shaft 35a of the sub-injection unit 30 is disposed so as to be rotatable about the axis and slidable along the axial direction, and together with the plasticizing screw shaft 35a, a resin It is configured to plasticize (melt) the material.
  • FIG. 2 shows the plasticizing screw shaft 35a in a state where injection filling described later is completed.
  • the plasticized screw shaft housing portion 20b or the sub injection unit 30 has a hopper (material supply port) (not shown) for feeding a pellet-shaped resin material as a secondary material into the plasticized screw shaft housing portion 20b. .
  • the plasticized screw shaft accommodating portion 20b configured as a hot runner is illustrated in the same manner as heating means such as a band heater disposed on the outer periphery of a heating barrel (heating cylinder) of a general in-line screw type injection device. It is possible to control the heating temperature for plasticizing the pellet-shaped resin material supplied from the hopper (material supply port) not flowing in the axial direction by the rotation of the plasticizing screw shaft 35a.
  • the side surface of the mold injection device mounting plate 20 includes an upper surface and a lower surface in addition to the right side surface and the left side surface.
  • the sub-injection resin flow path 20c is formed in a cylindrical shape extending along the mold opening / closing direction of the movable mold 7 in the direction intersecting with the plasticized screw shaft housing 20b, in this embodiment, and one end thereof is formed.
  • the cavity block 26 communicates with the sub gate 26c.
  • a gate valve 21 capable of opening and closing the sub gate 26c is disposed in the sub injection resin flow path 20c. Since the gate valve 21 can employ various known configurations, detailed description thereof is omitted. Moreover, although it is a needle valve in the example of illustration, it is not limited to this, A various well-known gate valve mechanism can be employ
  • the cavity block 26 is formed in the main cavity portion 6b after the primary molded body is molded from the molten resin injected and filled from the main injection unit 3, and then the extended cavity portion 6c is obtained by various known means such as movable core or mold replacement.
  • the secondary molded body can be laminated and molded on the primary molded body by the molten resin injected and filled by the sub-injection unit 30.
  • the sub injection unit 30 is a two-plate type inline screw injection unit including a fixed frame 32 and a movable frame 33, and is smaller than the main injection unit 3.
  • the sub-injection unit 30 includes a fixed frame 32, a movable frame 33 provided to be movable relative to the fixed frame 32, and a movable frame drive mechanism 34 that moves the movable frame 33 forward and backward relative to the fixed frame 32.
  • a cylinder assembly 35 having a plasticizing screw shaft 35a for plasticizing a resin material as a secondary material, and a plasticizing screw driving mechanism 36 for rotating the plasticizing screw shaft 35a.
  • the sub injection unit 30 is illustrated as a rectangular parallelepiped having a protruding portion corresponding to the plasticizing screw shaft 35a for simplification of the drawing.
  • the fixed frame 32 is fixed to the side surface of the mold injection device mounting plate 20 by fastening means (not shown) such as bolts.
  • the movable frame 33 is supported in a slidable state with respect to the fixed frame 32 as described later.
  • the movable frame drive mechanism 34 includes an injection motor (not shown) provided on the fixed frame 32, a pair of ball screw nuts 34a embedded in the movable frame 33, and a bearing 34b at one end.
  • a pair of ball screw shafts 34c connected to the fixed frame 32 via the other end and screwed to the ball screw nut 34a, and a plurality of injections attached to the output shaft of the injection motor and the pair of ball screw shafts 34c.
  • a pulley 34d and a pulley belt 34e stretched over a plurality of injection pulleys 34d are provided.
  • the movable frame drive mechanism 34 transmits the rotational force of the injection motor to the pair of ball screw shafts 34c via the pulley belt 34e and the plurality of injection pulleys 34f, and rotates the pair of ball screw shafts 34c in the forward direction or the reverse direction.
  • the movable frame 33 is configured to advance and retract with respect to the fixed frame 32.
  • the cylinder assembly 35 includes a plasticized screw shaft 35a in which a screw flight 35b is formed in a predetermined region on the distal end side, and a proximal end portion is connected to the movable frame 33 via a bearing 35c.
  • a check ring 35d is provided at the tip of the plasticized screw shaft 35a to prevent backflow when the plasticized molten resin is injected from the plasticized screw shaft accommodating portion 20b toward the sub-injection resin flow path 20c. It has been. Since the check ring 35d can employ various known configurations, detailed description thereof is omitted.
  • the plasticizing screw driving mechanism 36 includes a plasticizing motor (not shown) provided on the movable frame 33, a plurality of plasticizing pulleys 36a attached to the output shaft of the plasticizing motor and the plasticizing screw shaft 35a, and a plurality of plasticizing pulleys 36a. And a pulley belt 36b laid around the plasticizing pulley 36a.
  • the plasticizing screw drive mechanism 36 is configured to rotate the plasticizing screw shaft 35a by transmitting the rotational force of the plasticizing motor to the plasticizing screw shaft 35a via the pulley belt 36b and the plurality of plasticizing pulleys 36a. Has been.
  • the sub-injection unit 30 is not limited to the embodiment described and illustrated above, and may be various types as long as it is smaller than the main injection unit 3 and can be attached to the mold injection device mounting plate 20.
  • a known injection unit can be arbitrarily adopted.
  • the mold injection device mounting plate 20 and the sub-injection unit 30 having the above-described configuration are removed from the hopper by the heating temperature control by the plasticizing screw shaft housing portion 20b, which is a hot runner, and the shear heat by the rotation of the plasticizing screw shaft 35a. It is configured to plasticize (melt) the charged resin material. That is, the fixed mold 6 according to the present embodiment has the function of a heating barrel (heating cylinder) provided in a normal inline screw injection unit, that is, the dimensional relationship with respect to the plasticizing screw shaft 35a and the heating temperature control described above. Is provided in a hot runner on the mold side (plasticized screw shaft housing portion 20b of the mold injection device mounting plate 20).
  • the cylinder assembly 35 performs measurement by rotating the plasticizing screw shaft 35a by the plasticizing screw driving mechanism 36 and moving the movable frame 33 and the plasticizing screw shaft 35a backward by the movable frame driving mechanism 34. Then, by moving the movable frame 33 and the plasticized screw shaft 35a from the weighing completion position (retracted position) by the movable frame driving mechanism 34, the plasticized molten resin is flown from the plasticized screw shaft accommodating portion 20b to the sub-injection resin flow. It is comprised so that it may be injection-filled toward the path
  • the mold injection device mounting plate 20 having the above configuration is not provided with a heating barrel, and the plasticized screw shaft 35 a of the sub injection unit 30 in a state where the formation region of the screw flight 35 b is exposed. Is inserted into the plasticized screw shaft accommodating portion 20b, and the sub injection unit 30 is integrated (built-in).
  • the fixed mold 6 includes a mold mounting plate 22, a manifold block 24 having a hot runner (main injection resin flow path 24a), and a cavity block 26 having a gate (main gate 26b) communicating with the hot runner. Inserting the mold injection device mounting plate 20 in which the sub-injection unit 30 is integrated, so as to be positioned between the manifold block 24 and the cavity block 26, The sub-gate 26c is formed in the cavity block 26 to manufacture.
  • the mold injection device mounting plate 20 has a side surface on which the fixing frame 32 of the sub-injection unit 30 (in-line screw type injection device) can be fixed, and opens on the side surface to be plasticized.
  • a hot runner plasticized screw shaft accommodating portion 20b capable of accommodating the screw shaft 35a, and the hot runner can plasticize and measure the resin material in cooperation with the plasticized screw shaft 35a; And it is comprised so that the plasticized resin material can be made to flow toward a cavity.
  • the mold injection device mounting plate 20 has the fixed frame 32 of the sub injection unit 30 fixed on the side surface (upper surface, lower surface, left side surface and / or right side surface). Unlike the injection molding apparatus of Patent Document 1, there is no need to interpose an elastic member 122 such as a spring between the sub injection unit 110 and the mold 100. Therefore, according to the mold injection device mounting plate 20 according to the present embodiment, the sub injection unit 30 (in-line screw injection device) can be firmly attached to the fixed mold 6 (mold). Therefore, as compared with the injection molding apparatus of Patent Document 1, there is an advantage that the component parts are not easily damaged and worn due to vibrations caused by the mold opening / closing operation, the mold clamping operation, the injection filling operation, and the like.
  • the mold injection device mounting plate 20 has the function of a heating barrel (heating cylinder) provided in a normal inline screw injection unit in the plasticized screw shaft housing portion 20b (hot runner). This makes it possible to minimize the length and diameter of the plasticized screw shaft housing portion 20b, so that the fixed mold 6 (mold) is downsized as compared with the injection molding apparatus of Patent Document 1. As well as having the advantage of fewer constraints on the placement of the cavities.
  • the mold injection device mounting plate 20 has been described as being incorporated in the fixed mold 6.
  • the present invention is not limited to this.
  • the mold injection device mounting plate 20 ′ may be configured to be incorporated.
  • the movable mold 7 ′ can be disposed without arranging the manifold block.
  • the cavity block, the mold injection device mounting plate 20 ′, and the mold mounting plate may be combined.
  • dies is integrated in both a fixed metal mold
  • shaft accommodating part 20b and the sub injection resin flow path 20c are formed in the injection device attachment plate 20 for metal molds one each, and the structure by which one sub injection unit 30 is attached.
  • the present invention is not limited to this.
  • two or more plasticized screw shaft accommodating portions 20b and two or more sub injection resin flow paths 20c are formed, and two or more sub injection units 30 are formed. , 30 may be attached to the mold injection device mounting plate 20 '.
  • the gate valve is not shown.
  • the gate valve 21 is described as being disposed in the sub-injection resin flow path 20c.
  • the present invention is not limited to this, and a configuration in which the gate valve 21 is not disposed may be employed.
  • the sub-injection resin flow path 20c is eliminated, and the plasticized screw shaft accommodating portion 20b is directly communicated with the sub-gate 26c of the cavity block 26, or through a very short sub-injection resin flow path.
  • the plasticized screw shaft accommodating portion 20b may be configured to communicate with the sub gate 26c of the cavity block 26.
  • the fixed mold 6 is described as including the manifold block 24, the cavity block 26, and the mold injection device mounting plate 20, but the present invention is not limited to this.
  • the mold may be formed only by the cavity block 26 and the mold injection device mounting plate 20 by incorporating the function of the manifold block 24 into the mold injection device mounting plate 20.
  • the function of the manifold block 24 and the function of the cavity block 26 may be incorporated into the mold injection device mounting plate 20 so that the mold is formed only by the mold injection device mounting plate 20.
  • the mold injection device mounting plate 20 is not limited to the configuration incorporated in the horizontal injection molding device type injection molding device main body 2 shown in FIG. 1, and for example, an injection molding device having a vertical mold clamping mechanism. It is good also as a structure integrated in the upper mold
  • the vertical injection molding apparatus and the press apparatus can arbitrarily adopt various known configurations, and thus detailed description thereof is omitted.
  • the mold is described as a two-sheet mold including the fixed mold 6, 6 ′ and the movable mold 7, 7 ′.
  • 6 'and movable molds 7, 7' may be three or more molds obtained by adding one or more intermediate molds.
  • the mold injection device mounting plate 20 may be configured to be mounted on the intermediate 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/JP2017/022111 2016-08-22 2017-06-15 金型用射出装置取付プレート及び金型 WO2018037681A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780044134.5A CN109476060B (zh) 2016-08-22 2017-06-15 模具用注射装置安装板以及模具
KR1020197000863A KR102155653B1 (ko) 2016-08-22 2017-06-15 금형용 사출 장치 장착 플레이트 및 금형

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-161693 2016-08-22
JP2016161693A JP6202163B1 (ja) 2016-08-22 2016-08-22 金型用射出装置取付プレート及び金型

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Publication Number Publication Date
WO2018037681A1 true WO2018037681A1 (ja) 2018-03-01

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PCT/JP2017/022111 WO2018037681A1 (ja) 2016-08-22 2017-06-15 金型用射出装置取付プレート及び金型

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JP (1) JP6202163B1 (zh)
KR (1) KR102155653B1 (zh)
CN (1) CN109476060B (zh)
WO (1) WO2018037681A1 (zh)

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Publication number Priority date Publication date Assignee Title
JP7238533B2 (ja) * 2019-03-27 2023-03-14 セイコーエプソン株式会社 材料供給装置、射出成形装置及び三次元造形装置

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JPH02178012A (ja) * 1988-12-29 1990-07-11 Nissei Plastics Ind Co 射出成形用金型装置
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JP2003053770A (ja) * 2001-08-17 2003-02-26 Nissei Plastics Ind Co 射出成形装置
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JP6202163B1 (ja) 2017-09-27
CN109476060B (zh) 2021-01-05

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