WO2022102552A1 - 射出成形機の型締装置 - Google Patents
射出成形機の型締装置 Download PDFInfo
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- WO2022102552A1 WO2022102552A1 PCT/JP2021/040906 JP2021040906W WO2022102552A1 WO 2022102552 A1 WO2022102552 A1 WO 2022102552A1 JP 2021040906 W JP2021040906 W JP 2021040906W WO 2022102552 A1 WO2022102552 A1 WO 2022102552A1
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- WIPO (PCT)
- Prior art keywords
- crosshead
- injection molding
- clamping device
- molding machine
- mold
- Prior art date
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 230000004048 modification Effects 0.000 description 17
- 238000012986 modification Methods 0.000 description 17
- 239000003921 oil Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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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
- B22D17/26—Mechanisms or devices for locking or opening dies
-
- 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
- B29C45/66—Mould opening, closing or clamping devices mechanical
-
- 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
- B29C45/66—Mould opening, closing or clamping devices mechanical
- B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping
Definitions
- the present invention relates to a mold clamping device for an injection molding machine.
- the injection molding machine has a mold clamping device that opens and closes the mold (fixed mold and movable mold).
- the mold clamping device generates a mold clamping force by extending a toggle mechanism (toggle link or the like) by a drive mechanism, for example.
- a toggle mechanism toggle link or the like
- the toggle mechanism in order to suppress the energy consumption of the drive mechanism, it is desirable that the toggle mechanism is completely extended when the mold clamping force is generated. However, if this fully extended state continues for a long time, the toggle mechanism may stick due to the oil film running out or the like. As a result, the mold clamping device becomes inoperable.
- Japanese Patent Application Laid-Open No. 11-198202 discloses a technique for retracting the movable platen from the mold touch position before stopping the mold clamping device as a countermeasure.
- the present invention aims to solve the above-mentioned problems.
- the mold clamping device of the injection molding machine is between a fixed platen holding a fixed mold, a rear platen, a plurality of tie bars connecting the fixed platen and the rear platen, and between the fixed platen and the rear platen.
- a movable platen that holds the movable mold so that the movable mold and the fixed mold face each other and can move along the axial direction of the tie bar, a ball screw rotated by a motor, and the above.
- a cross head that is arranged between the rear platen and the movable platen and is moved along the axial direction by the rotation of the ball screw, and the movable platen is moved along the axial direction in response to the movement of the cross head. It is provided with a toggle link for causing the crosshead to be moved, and a crosshead pressing mechanism for pressing the crosshead so that the crosshead moves toward the rear platen side.
- FIG. 1 is a diagram showing an injection molding machine according to an embodiment.
- FIG. 2 is a perspective view showing a state in which the crosshead is viewed from a movable platen in the injection molding machine according to the embodiment.
- FIG. 3 is a top view showing a state in which the crosshead is viewed from the upper toggle link in the injection molding machine according to the embodiment.
- FIG. 4 is a top view showing a state in which the crosshead is viewed from the upper toggle link in the injection molding machine according to the first modification.
- FIG. 5 is a top view showing a state in which the crosshead is viewed from the upper toggle link in the injection molding machine according to the second modification.
- FIG. 6 is a top view showing a state in which the crosshead is viewed from the upper toggle link in the injection molding machine according to the modified example 3.
- FIG. 1 is a diagram showing an injection molding machine 10 according to an embodiment.
- the injection molding machine 10 has a base 12, a mold clamping device 16 for opening and closing the mold 14, and an injection device (not shown) for injecting molten resin into the mold 14.
- FIG. 1 shows a vertical direction and a front-back direction.
- the base 12 is a base for installing the mold clamping device 16 and the injection device.
- the mold clamping device 16 has a fixed platen 20, a rear platen 22, a movable platen 24, a drive mechanism 26, a crosshead 28, a toggle link 30, and a crosshead link 32.
- the fixed platen 20 and the rear platen 22 are arranged on the base 12 and connected to each other by four tie bars 34.
- the four tie bars 34 extend in the front-rear direction in parallel with each other and insert the movable platen 24.
- the front-rear direction is the axial direction of the four tie bars 34.
- the movable platen 24 is installed between the fixed platen 20 and the rear platen 22 on the base 12 via the slide portion 36.
- the guide rail 38 is provided on the base 12 in the front-rear direction.
- the slide portion 36 is movable along the guide rail 38. As a result, the movable platen 24 can move forward and backward with respect to the fixed platen 20.
- the four tie bars 34 function as a guide member and a mold clamping force generating member.
- the guide member guides the movement of the movable platen 24 in the front-rear direction.
- the mold clamping force generating member generates a predetermined mold clamping force in the mold 14 by a reaction force when the
- a mold 14 is provided between the fixed platen 20 and the movable platen 24.
- the mold 14 has a fixed mold 14a and a movable mold 14b.
- the fixed mold 14a is attached to the surface of the fixed platen 20 facing the movable platen 24.
- the movable mold 14b is attached to the surface of the movable platen 24 facing the fixed platen 20.
- the drive mechanism 26 advances and retreats the crosshead 28 in the front-rear direction.
- the drive mechanism 26 includes a mold opening / closing motor 26a (drive source), a drive pulley 26b, a belt 26c, a driven pulley 26d, a ball screw 26e, and a nut 26f.
- the drive pulley 26b can rotate integrally with the rotation shaft of the mold opening / closing motor 26a.
- the driven pulley 26d can rotate integrally with the ball screw 26e.
- the belt 26c is hung on the drive pulley 26b and the driven pulley 26d.
- the belt 26c transmits the rotational force of the drive pulley 26b to the driven pulley 26d.
- the ball screw 26e extends along the front-rear direction so as to be parallel to the axis of the tie bar 34.
- the nut 26f is fixed to the crosshead 28 and is screwed with the ball screw 26e.
- the mold opening / closing motor 26a rotates the ball screw 26e via the drive pulley 26b, the belt 26c, and the driven pulley 26d.
- the nut 26f moves back and forth along the ball screw 26e.
- the crosshead 28 advances and retreats in the front-rear direction together with the nut 26f.
- the nut 26f is moved forward and backward by rotating the ball screw 26e, but the arrangement and role of the ball screw 26e and the nut 26f may be reversed as follows.
- the nut 26f is rotated by the mold opening / closing motor 26a.
- the ball screw 26e screwed with the nut 26f is moved forward and backward.
- the crosshead 28 can be moved forward and backward.
- the (relative) rotation of the ball screw 26e with respect to the nut 26f causes the crosshead 28 to move along the front-back direction.
- the crosshead 28 is guided by a guide rod 40 extending in the front-rear direction in order to stabilize the advancement and retreat of the crosshead 28.
- the guide rod 40 is held by the guide rod support 42 provided on the rear platen 22.
- toggle links 30 and two crosshead links 32 are provided above. Further, two toggle links 30 and two crosshead links 32 are provided below. That is, a total of four toggle links 30 and a total of four crosshead links 32 are provided. Here, two toggle links 30 and two crosshead links 32 are shown above and below the front side of the paper. The two toggle links 30 and the two crosshead links 32 on the back side of the paper are hidden behind.
- Each of the toggle links 30 has a first link rod 30a, a second link rod 30b, a first toggle pin 30c, a second toggle pin 30d, and a third toggle pin 30e.
- first link rod 30a is rotatably connected to the movable platen 24 via the first toggle pin 30c.
- One end of the second link rod 30b is rotatably connected to the rear platen 22 via the second toggle pin 30d.
- the other end of the first link rod 30a and the other end of the second link rod 30b are rotatably connected to each other via the third toggle pin 30e.
- the second link rod 30b is connected to the crosshead 28 via the crosshead link 32.
- the toggle link 30 is coupled to the crosshead 28 via the crosshead link 32.
- the toggle link 30 extends or bends in response to the advance / retreat of the crosshead 28 in the front-rear direction, so that the toggle link 30 advances / retreats the movable platen 24 in the front-rear direction.
- the toggle link 30 and the crosshead link 32 are toggle mechanisms that increase the driving force in the front-rear direction of the crosshead 28 and transmit the increased driving force to the movable platen 24.
- the toggle link 30 extends.
- the movable platen 24 moves forward.
- the toggle link 30 bends and contracts.
- the movable platen 24 moves backward.
- the mold clamping force of the mold 14 is maintained even if the forward movement of the crosshead 28 by the mold opening / closing motor 26a is stopped.
- the crosshead 28 moves forward and backward by rotating the ball screw 26e with the mold opening / closing motor 26a.
- the toggle link 30 extends or bends.
- the movable platen 24 is advanced and retracted, and the mold 14 is opened and closed in the front-rear direction.
- the mold clamping device 16 includes a crosshead pressing mechanism PM.
- the crosshead pressing mechanism PM presses the crosshead 28 so that the crosshead 28 moves toward the rear platen 22.
- the toggle mechanism may be fixed due to the oil film running out or the like.
- the crosshead pressing mechanism PM is a mechanism for releasing the extended state of the toggle mechanism without using the mold opening / closing motor 26a.
- the oil film breakage means a state in which the oil film (lubricating oil film) formed between the sliding members is lost. That is, the sliding members are in direct contact with each other.
- the sliding member is, for example, between the first link rod 30a and the first toggle pin 30c.
- the toggle mechanism When the toggle mechanism is fully extended, for example, the oil film between the first link rod 30a and the first toggle pin 30c is pushed out by the pressure, so that the oil film is likely to break.
- FIG. 2 is a perspective view showing a state in which the crosshead 28 is viewed from the movable platen 24 in the injection molding machine 10 according to the embodiment.
- FIG. 3 is a top view showing a state in which the crosshead 28 is viewed from the upper toggle link 30 in the injection molding machine 10 according to the embodiment.
- the tie bar 34 is represented by a virtual line instead of a solid line.
- the description will be basically based on FIG.
- the crosshead 28 has a central portion 28a, two arms 28b extending upward and downward from the central portion 28a, and two arms 28c extending left and right from the central portion 28a.
- the crosshead link 32 is connected to the arm 28b, the description of the crosshead link 32 is omitted in FIGS. 2 and 3 for the sake of clarity.
- Two guide rods 40 are inserted into the two arms 28c, respectively. That is, the crosshead 28 is guided by two guide rods 40 extending in the front-rear direction and can move forward and backward.
- the two guide rods 40 are arranged on the left and right sides of the ball screw 26e, respectively.
- the two guide rods 40 extend in the front-rear direction.
- the rear ends of the two guide rods 40 are supported by the rear platen 22.
- the front ends of the two guide rods 40 are supported by the two guide rod supports 42, respectively.
- the two guide rod supports 42 have a substantially U-shape.
- Each of the two guide rod supports 42 comprises two bases 42a and a support 42b.
- the two bases 42a are fixed to the front surface of the rear platen 22 and project forward.
- the support portion 42b is provided at the front end portion of the two base portions 42a.
- the support portion 42b supports the guide rod 40.
- the mold clamping device 16 includes two crosshead pressing mechanisms PM.
- Each of the two crosshead pressing mechanisms PM has a screw member 44 and a support member S that is screwed with the screw member 44 and supports the screw member 44.
- the support portion 42b of the guide rod support 42 functions as the support member S. Therefore, the support portion 42b has a female screw portion (screw hole) 42c that is screwed with the screw member 44.
- the screw member 44 has a shape extending along the front-rear direction, and has a male screw portion 44a and a head 44b.
- the male screw portion 44a is screwed with the female screw portion 42c of the support member S (support portion 42b).
- the head 44b is fixed to the end of the male screw portion 44a and rotates the male screw portion 44a.
- the head 44b is rotated with respect to the support portion 42b by a tool such as a spanner that grips the head 44b. Therefore, the screw member 44 moves rearward with respect to the support portion 42b. As a result, the screw member 44 presses the crosshead 28, and the crosshead 28 moves rearward.
- the crosshead 28 can be retracted by rotating the screw member 44.
- the extended state for example, the lockup state
- the lock-up state is a state in which the toggle link 30 extends beyond a predetermined value, and as a result, a mold clamping force is generated between the fixed mold 14a and the movable mold 14b.
- the mold clamping force is released. As a result, it is possible to prevent the toggle mechanism from sticking due to the oil film running out of the toggle mechanism.
- the screw member 44 of the crosshead pressing mechanism PM can output a force (axial force) required to release the locked-up state.
- a force (axial force) required to release the locked-up state Generally, when the mold clamping force is generated, the friction between the sliding members in the toggle link 30 becomes large. A large torque is applied to the screw member 44 of the crosshead pressing mechanism PM by a tool. As a result, the force (axial force) required to release the lockup state is output from the screw member 44 to the crosshead 28 against the friction at the toggle link 30.
- the two crosshead pressing mechanisms PM (screw member 44 and support member S) are arranged symmetrically with respect to the ball screw 26e in the width direction (left-right direction) of the mold clamping device 16 orthogonal to the front-rear direction. ..
- a pressing force symmetrical in the width direction is applied to the crosshead 28 from the two crosshead pressing mechanisms PM. This facilitates the movement of the crosshead 28.
- FIG. 4 is a top view showing a state in which the crosshead 28 is viewed from the upper toggle link 30 in the injection molding machine 10 according to the modification 1.
- the same elements as those in the embodiment are designated by the same reference numerals, and the description thereof will be omitted.
- the injection molding machine 10 has a support member 46.
- the support member 46 functions as a support member S that supports the screw member 44 by being screwed with the screw member 44. That is, here, the guide rod support 42 does not function as the support member S.
- the support member 46 is fixed to the guide rod support 42.
- the support member 46 has two female screw portions 46a (screw holes) that are screwed with the two screw members 44.
- the crosshead pressing mechanism PM may have a support member 46 fixed to the guide rod support 42 and not directly contributing to the support of the guide rod 40 as the support member S. Except for the above points, the modified example 1 is substantially the same as the embodiment, and therefore detailed description thereof will be omitted.
- FIG. 5 is a top view showing a state in which the crosshead 28 is viewed from the upper toggle link 30 in the injection molding machine 10 according to the modification 2.
- the same elements as those in the embodiment are designated by the same reference numerals, and the description thereof will be omitted.
- the support member S of the crosshead pressing mechanism PM according to the second modification is supported by the foundation member 48 fixed to the rear platen 22.
- the support member S has a female screw portion Sa (screw hole) that is screwed with the screw member 44.
- the foundation member 48 is a member different from the guide rod support 42.
- the crosshead pressing mechanism PM may have a support member S that is not fixed to the guide rod support 42. Except for the above points, the modified example 2 is substantially the same as the embodiment, and therefore detailed description thereof will be omitted.
- FIG. 6 is a top view showing a state in which the crosshead 28 is viewed from the upper toggle link 30 in the injection molding machine 10 according to the modification 3.
- the same elements as those in the embodiment are designated by the same reference numerals, and the description thereof will be omitted.
- the crosshead pressing mechanism PM has a rod 52, a driving portion 54, and a support member S (support portion 42b).
- the rod 52 has a shape extending along the front-rear direction.
- the drive unit 54 is, for example, a linear motor or a hydraulic cylinder that moves the rod 52 along the front-rear direction.
- the support member S (support portion 42b) supports the drive portion 54.
- the support member S has a through hole 42d through which the rod 52 penetrates.
- the drive unit 54 may be a combination of a motor and a conversion mechanism that converts rotary motion into linear motion.
- the crosshead pressing mechanism PM may have a driving unit 54.
- the drive unit 54 of the crosshead pressing mechanism PM outputs a force (axial force) required to release the lockup state against the friction at the toggle link 30. Except for the above points, the modified example 3 is substantially the same as the embodiment, and therefore detailed description thereof will be omitted.
- crosshead pressing mechanism PMs In the above embodiments and modifications, two crosshead pressing mechanism PMs are provided, but the number of crosshead pressing mechanism PMs may be one or three or more.
- the crosshead 28 can be pressed and retracted using one or more crosshead pressing mechanisms PM.
- the crosshead pressing mechanism PM is provided on the rear platen 22, but the crosshead pressing mechanism PM may be provided on another member, for example, the base 12.
- the drive unit 54 is supported by the support portion 42b of the guide rod support 42, but it may be supported by the support member 46 or the support member S shown in the modified example 1 or the modified example 2.
- the mold clamping device (16) of the injection molding machine (10) connects the fixed platen (20) holding the fixed mold (14a), the rear platen (22), and the fixed platen and the rear platen.
- a plurality of tie bars (34) are arranged between the fixed platen and the rear platen, and the movable mold is held so that the movable mold (14b) and the fixed mold face each other, and the axis of the tie bar.
- a movable platen (24) that can move along a direction, a ball screw (26e) that is rotated by a motor (mold opening / closing motor 26a), and a rear platen and the movable platen that are arranged between the rear platen and the movable platen.
- a crosshead pressing mechanism (PM) for pressing the crosshead so as to move toward the crosshead is provided.
- the crosshead pressing mechanism has a screw member (44) extending along the axial direction and a support member (S, 46, support portion 42b) that is screwed with the screw member to support the screw member.
- a screw member (44) extending along the axial direction and a support member (S, 46, support portion 42b) that is screwed with the screw member to support the screw member.
- the screw member rotates with respect to the support member, the screw member presses the crosshead.
- the crosshead can be pressed and moved by rotating the screw member.
- the crosshead pressing mechanism includes a rod (52) extending along the axis direction, a drive unit (54) for moving the rod along the axis direction, and a support member for supporting the drive unit. (S, support portion 42b), and the rod presses the crosshead. This allows the rod to press and move the crosshead by the drive unit.
- the support member is fixed to the rear platen. Thereby, the crosshead can be pressed and moved by using the screw member or the driving portion held by the support member fixed to the rear platen.
- a guide rod (40) extending in the axial direction and guiding the crosshead is provided, and the support member supports the guide rod. Thereby, the support member can support the guide rod and the screw member (or the drive portion).
- a plurality of the crosshead pressing mechanisms are provided so as to be symmetrical with respect to the ball screw with respect to the width direction of the mold clamping device orthogonal to the axial direction. As a result, it is possible to apply a pressing force symmetrical in the width direction to the crosshead by using a plurality of crosshead pressing mechanisms symmetrical with respect to the ball screw.
- the crosshead pressing mechanism releases the lock-up state in which the toggle link extends beyond a predetermined value and a mold clamping force is generated between the fixed mold and the movable mold. As a result, the mold clamping force can be released to prevent the oil film of the toggle mechanism from running out and the toggle mechanism from sticking.
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Abstract
Description
変形例1に係る射出成形機10につき説明する。図4は、変形例1に係る射出成形機10において、上側のトグルリンク30からクロスヘッド28を見た状態を表す上面図である。なお、実施形態と同一の要素は、同じ符号を付して、説明を省略する。
変形例2に係る射出成形機10につき説明する。図5は、変形例2に係る射出成形機10において、上側のトグルリンク30からクロスヘッド28を見た状態を表す上面図である。なお、実施形態と同一の要素は、同じ符号を付して、説明を省略する。
変形例3に係る射出成形機10につき説明する。図6は、変形例3に係る射出成形機10において、上側のトグルリンク30からクロスヘッド28を見た状態を表す上面図である。なお、実施形態と同一の要素は、同じ符号を付して、説明を省略する。
以上の実施形態および変形例では、2つのクロスヘッド押圧機構PMが設けられているが、クロスヘッド押圧機構PMの個数は、1つであっても、3つ以上であってもよい。1つまたは3つ以上のクロスヘッド押圧機構PMを用いて、クロスヘッド28を押圧し、後退させることができる。
本発明は、上述した実施形態に限らず、本発明の要旨を逸脱することなく、種々の構成を取り得る。
上記実施形態および変形例から把握しうる発明について、以下に記載する。
Claims (7)
- 固定金型(14a)を保持する固定プラテン(20)と、
リアプラテン(22)と、
前記固定プラテンと前記リアプラテンとを連結する複数のタイバー(34)と、
前記固定プラテンと前記リアプラテンとの間に配置され、可動金型(14b)と前記固定金型とが互いに向き合うように前記可動金型を保持し、前記タイバーの軸線方向に沿って移動可能な可動プラテン(24)と、
モータ(26a)によって回転されるボールネジ(26e)と、
前記リアプラテンと前記可動プラテンとの間に配置され、前記ボールネジの回転によって前記軸線方向に沿って移動されるクロスヘッド(28)と、
前記クロスヘッドの移動に応じて、前記可動プラテンを前記軸線方向に沿って移動させるトグルリンク(30)と、
前記クロスヘッドが前記リアプラテン側に向かって移動するように前記クロスヘッドを押圧するクロスヘッド押圧機構(PM)と、
を備える、射出成形機(10)の型締装置(16)。 - 請求項1に記載の射出成形機の型締装置であって、
前記クロスヘッド押圧機構は、前記軸線方向に沿って延びたネジ部材(44)と、前記ネジ部材と螺合し、前記ネジ部材を支持する支持部材(S、46、42b)とを有し、前記ネジ部材が前記支持部材に対して回転することで、前記ネジ部材が前記クロスヘッドを押圧する、射出成形機の型締装置。 - 請求項1に記載の射出成形機の型締装置であって、
前記クロスヘッド押圧機構は、前記軸線方向に沿って延びたロッド(52)と、前記ロッドを前記軸線方向に沿って移動させる駆動部(54)と、前記駆動部を支持する支持部材(S、42b)とを有し、前記ロッドが前記クロスヘッドを押圧する、射出成形機の型締装置。 - 請求項2または3に記載の射出成形機の型締装置であって、
前記支持部材は、前記リアプラテンに固定されている、射出成形機の型締装置。 - 請求項4に記載の射出成形機の型締装置であって、
前記軸線方向に延び、前記クロスヘッドをガイドするガイドロッド(40)を備え、
前記支持部材は、前記ガイドロッドを支持する、射出成形機の型締装置。 - 請求項1~5のいずれか1項に記載の射出成形機の型締装置であって、
前記クロスヘッド押圧機構は、前記軸線方向と直交する前記型締装置の幅方向に関して、前記ボールネジに対して対称となるように複数設けられている、射出成形機の型締装置。 - 請求項1~6のいずれか1項に記載の射出成形機の型締装置であって、
前記クロスヘッド押圧機構は、前記トグルリンクが所定以上に延びて、前記固定金型と前記可動金型との間に型締力が発生したロックアップ状態を解除する、射出成形機の型締装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN202180075084.3A CN116568426A (zh) | 2020-11-13 | 2021-11-08 | 注射成型机的合模装置 |
JP2022561888A JP7534432B2 (ja) | 2020-11-13 | 2021-11-08 | 射出成形機の型締装置 |
US18/035,777 US20230405898A1 (en) | 2020-11-13 | 2021-11-08 | Die clamping device for injection molding machine |
DE112021004677.2T DE112021004677T5 (de) | 2020-11-13 | 2021-11-08 | Formspannvorrichtung für eine Spritzgiessmaschine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2020-189415 | 2020-11-13 | ||
JP2020189415 | 2020-11-13 |
Publications (1)
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US (1) | US20230405898A1 (ja) |
JP (1) | JP7534432B2 (ja) |
CN (1) | CN116568426A (ja) |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11198202A (ja) * | 1998-01-19 | 1999-07-27 | Japan Steel Works Ltd:The | 電動射出成形機の可動盤制御方法 |
JP2004009386A (ja) * | 2002-06-04 | 2004-01-15 | Japan Steel Works Ltd:The | 電動射出成形機の型締装置 |
WO2017164420A1 (ja) * | 2016-03-25 | 2017-09-28 | 住友重機械工業株式会社 | 射出成形機 |
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JP2006051754A (ja) | 2004-08-16 | 2006-02-23 | Japan Steel Works Ltd:The | 電動トグル式型締装置の型開防止装置及びそれを備えた電動トグル式型締装置 |
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2021
- 2021-11-08 WO PCT/JP2021/040906 patent/WO2022102552A1/ja active Application Filing
- 2021-11-08 JP JP2022561888A patent/JP7534432B2/ja active Active
- 2021-11-08 DE DE112021004677.2T patent/DE112021004677T5/de active Pending
- 2021-11-08 CN CN202180075084.3A patent/CN116568426A/zh active Pending
- 2021-11-08 US US18/035,777 patent/US20230405898A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH11198202A (ja) * | 1998-01-19 | 1999-07-27 | Japan Steel Works Ltd:The | 電動射出成形機の可動盤制御方法 |
JP2004009386A (ja) * | 2002-06-04 | 2004-01-15 | Japan Steel Works Ltd:The | 電動射出成形機の型締装置 |
WO2017164420A1 (ja) * | 2016-03-25 | 2017-09-28 | 住友重機械工業株式会社 | 射出成形機 |
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US20230405898A1 (en) | 2023-12-21 |
CN116568426A (zh) | 2023-08-08 |
JP7534432B2 (ja) | 2024-08-14 |
DE112021004677T5 (de) | 2023-06-15 |
JPWO2022102552A1 (ja) | 2022-05-19 |
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