WO2024076886A1 - Système de moulage par injection - Google Patents

Système de moulage par injection Download PDF

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Publication number
WO2024076886A1
WO2024076886A1 PCT/US2023/075628 US2023075628W WO2024076886A1 WO 2024076886 A1 WO2024076886 A1 WO 2024076886A1 US 2023075628 W US2023075628 W US 2023075628W WO 2024076886 A1 WO2024076886 A1 WO 2024076886A1
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WO
WIPO (PCT)
Prior art keywords
mold
platen
injection molding
support member
fixed
Prior art date
Application number
PCT/US2023/075628
Other languages
English (en)
Inventor
Tomohiro Shima
Junji Yonemasu
Original Assignee
Canon Virginia, Inc.
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 Canon Virginia, Inc. filed Critical Canon Virginia, Inc.
Publication of WO2024076886A1 publication Critical patent/WO2024076886A1/fr

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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
    • B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging means
    • 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
    • B29C45/04—Injection moulding apparatus using movable moulds or mould halves
    • B29C45/0408—Injection moulding apparatus using movable moulds or mould halves involving at least a linear movement
    • 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

Definitions

  • the present disclosure relates to an injection molding system using an injection molding machine.
  • the manufacturing process of an injection molding machine involves moving a mold into an injection position, injecting a molding resin, moving the injected mold from the injection position to a cooling position, and removing the molded part after cooling has completed.
  • Productivity using this process can be low because the injection molding machine does not perform injection operations during the cooling period.
  • a method has been proposed that uses two molds for one injection molding machine to try and improve productivity.
  • US 11104050 a molding system in which two conveyors are placed on either side of an injection molding machine has been disclosed.
  • a mold exchange is performed by a conveying machine during the cooling time so that injection into the other mold is possible during the cooling time of the one mold.
  • the platen of the above-described molding system includes in-plate rollers with a spring configuration and bottom rollers that support the bottom of the mold, which assist in loading and unloading molds into and out of the injection molding machine.
  • the manufacturing of a special platen such as this one can be costly, For example, when the configuration of a platen is complex, or the manufacturing of a platen requires a high processing accuracy, and can result in an increase of the platen manufacturing cost.
  • the platen itself since the platen itself includes the rollers, it is typically difficult to replace the preexisting rollers when they need replacing.
  • rollers that can support higher load capacities when required are used so that the rollers are not damaged when they are used to move heavy molds.
  • these types of rollers can become very large and heavy. What is needed is an injection molding system that enables the use of platen that does not require rollers to enable a more flexible approach to smoothly loading and unloading of molds into/from an injection molding machine.
  • a roller-free platen that provides support to molds thus enabling rollers to instead be attached to the molds.
  • rollers with respective size and load capacities corresponding to a size/weight of a mold in an injection molding system By attaching rollers with respective size and load capacities corresponding to a size/weight of a mold in an injection molding system, smaller/lighter rollers with lower load capacities can be attached to smaller/lighter molds, while larger/heavier rollers that have relatively higher load capacities can be attached to a larger/heavier molds.
  • Removing the rollers from the platen and attaching the appropriate type of rollers to corresponding molds enables the use of a standard non-roller enabled platen in an injection molding system, which can reduce the cost of the injection molding system.
  • an injection molding system comprises an injection unit configured to inject resin into a mold, an actuator configured to provide power for moving the mold between a first position where the injection unit injects the resin into the mold and a second position different from the first position, and a platen configured to secure a position of the mold at the first position, wherein an improvement to the injection molding system includes the platen comprising a support member having a plane that supports the mold, when the mold is moved by the power from the actuator.
  • Figure 1A illustrates a view of an injection molding system of according to an exemplary embodiment viewed from the Z-axis direction.
  • Figure IB illustrates an enlarged view of a mold and its surroundings of the injection molding system.
  • Figure 1C illustrates an enlarged view of a mold and it surroundings of the injection molding system.
  • Figure 2 illustrates a view of the injection molding system according to the exemplary embodiment viewed from the X-axis direction.
  • Figure 3 illustrates a view of a fixed-side platen of the injection molding system according to the exemplary embodiment viewed from the Y-axis direction.
  • Figure 4 illustrates a view of the fixed-side platen comprising side blocks of the injection molding system according to the exemplary embodiment viewed from the Y-axis direction.
  • Figure 5 illustrates a view of the fixed-side platen comprising fixed-side bottom rails on the inside of tie bars in the injection molding system according to the exemplary embodiment viewed from the Y-axis direction.
  • Figure 6 illustrates a view of a state where the fixed-side bottom rails are received by the tie bars in the fixed-side platen of the injection molding system according to the exemplary embodiment viewed from the Y-axis direction.
  • Figure 7 illustrates a view of a state where clearances are provided between the tie bars and movable-side bottom rails 12 in the injection molding system according to the exemplary embodiment viewed from the Y-axis direction.
  • Figure 8 illustrates a view of a condition where a mold is located inside a molding machine of the injection molding system according to the exemplary embodiment viewed from the X-axis direction.
  • Figure 9 is illustrates an enlarged view of the circled area illustrated in FIG. 8.
  • Figure 10 illustrates a view of a configuration without nuts in a configuration of the bottom roller units in FIG. 6 viewed from the X-axis direction.
  • Figure 11 illustrates an enlarged view of the circled area illustrated in FIG. 8.
  • Figure 12 illustrates a view of mold loading/unloading devices and an injection molding machine in the injection molding system according to the exemplary embodiment viewed from the Y-axis direction.
  • Figure 13 illustrates a flowchart diagram illustrating a molding process according to the exemplary embodiment.
  • FIG. 1A is a view illustrating an injection molding system 1 according to the present exemplary embodiment viewed from the Z-axis direction.
  • FIG. 2 illustrates a view of the injection molding system 1 viewed from the X-axis direction.
  • the injection molding system 1 includes a horizontal injection unit 5 having an injection nozzle 2, an injection cylinder 3, and a hopper 4.
  • the injection unit 5 injects resin into a mold.
  • the injection molding system 1 also includes mold loading/unloading devices 8 that can alternately load/unload a mold A6 and a mold B7.
  • the mold loading/unloading devices 8 are installed at a position (hereinafter “injection position”) suitable for an injection process by the injection unit 5.
  • the injection molding system 1 also includes a control apparatus 99 that includes a controller 100 for controlling the injection molding system 1.
  • Controller 100 includes, for example, a processor such as a CPU (not illustrated), a RAM (not illustrated), a ROM (not illustrated), a storage device such as a hard disk (not illustrated), and interfaces connected to sensors or actuators (not illustrated).
  • the processor executes programs stored in the storage device.
  • the injection molding system 1 can include multiple controllers, where each controller controls different aspects/features of the injection molding system 1.
  • the mold loading/unloading devices 8 are installed on both sides of the injection position, i.e., adjacent to an injection molding machine 32 in the X-axis direction.
  • the mold loading/unloading devices 8 are equipped with motors 35.
  • the mold A6 and the mold B7 are each connected to a motor 35 via a linking member 9, and move between a first position (injection position for injecting resin) and a second position (cooling position for cooling resin) by the power provided by the respective motors 35.
  • the motors 35 function as actuators for moving the mold A6 and the mold B7.
  • a detailed configuration of the motors 35 and the linking members 9 are described below with reference to FIG. 12.
  • the mold loading/unloading devices 8 are equipped with side guide rollers 10 to guide the loading/unloading of molds. This enables smooth loading/unloading of molds.
  • the injection position of the injection molding system 1 includes fixed-side bottom rails 11 and movable-side bottom rails 12 that support the bottom of the molds, which are fixed to a fixed-side platen 15 or a movable-side platen 16 to avoid mold clamps 13 and tie bars 14.
  • the injection molding system 1 also includes a mold clamping force generator 17, which applies a mold clamping force to the mold during injection filling process.
  • Both the mold A6 and the mold B7 include a fixed-side clamping plate 18, a fixed- side mold plate 19, a movable-side clamping plate 20, and a movable-side mold plate 21.
  • Magnet locks 22 are provided at the boundary of the fixed-side mold plate 19 and the movable-side mold plate 21. The magnet locks 22 prevent the parting lines of the molds from opening due to resin pressure when the molds are unloaded from the injection position.
  • Fig. IB and Fig. 1C illustrate enlarged views of the mold loading/unloading devices 8 according to the exemplary embodiment.
  • FIG. 3 illustrates a view of the fixed-side platen 15 in the injection molding system 1 according to the present exemplary embodiment viewed from the Y-axis direction.
  • a locate ring hole 22 is open in the center of the fixed-side platen 15, and the mold clamps 13 are provided above and below it.
  • the fixed-side bottom rails 11 are fixed to the fixed-side platen 15 to avoid the mold clamps 13 and the tie bars 14. Since the process of opening a bolt hole in a molding machine platen (fixed-side platen and/or movable-side platen) with high accuracy is possible, it is possible to install fixed-side bottom rails 11 with post-processing on a manufactured injection molding machine that does not have fixed-side bottom rails 11.
  • the movable-side platen 16 can have the same configuration as the fixed-side platen 15.
  • a receiving plate 23 is fixed to the fixed-side platen 15 near the fixed-side bottom rails 11 in the X-axis direction, which forms a convex part on the platen surface. Molds can smoothly slide during mold loading/unloading via side rollers 28 of mold A6 or mold B7 (described in detail below) with receiving plate 23.
  • the material of the receiving plate 23 can be metal or a plastic with good sliding properties, such as Polyacetal or Polyoxymethylene. These are just examples, and any material that would enable practice of the present exemplary embodiment is applicable.
  • the fixed-side platen 15 illustrated in FIG. 3 includes a first plane used to fix the position of a mold in a clamping process of the mold, and a second plane that supports the mold from below when the mold is moved by the motor 35.
  • the first plane corresponds to the plane in the fixed-side platen 15 of FIG. 3 that contacts the fixed-side clamping plate 18 of a mold during the mold clamping process.
  • the second plane corresponds to the upper surface, i.e., the surface that contacts bottom rollers 26, which will he described below with reference to FIG. 8, of the fixed-side bottom rails 11 of FIG. 3.
  • FIG. 4 illustrates a view of the fixed-side platen 15 provided with side blocks 24 in the injection molding system 1 according to the present exemplary embodiment viewed from the Y-axis direction. As illustrated in FIG. 4, the side blocks 24 are fixed to both sides of the fixed-side platen 15 in the X-axis direction. FIG. 4 also illustrates a part of the receiving plate 23 extends to the side blocks 24, and that the fixed-side bottom rails 11 are also fixed.
  • FIG. 5 illustrates a view of the fixed-side platen 15 including with fixed-side bottom rails 11 on the inside of the tie bars 14 in the injection molding system 1 according to the present exemplary embodiment viewed from the Y-axis direction.
  • the fixed-side platen 15 illustrated in FIG. 5 is a configuration that does not fix the fixed-side bottom rails 11 to the outside of the tie bars 14. Extending the bottom rails 11 from the bottom rails' side of the mold loading/unloading devices 8 towards the tie bars 14 enables supporting the mold A6 and the mold B7.
  • the configuration illustrated in FIG. 5 is particularly suited for when there is not sufficient space outside the tie bars 14 to fix the fixed-side bottom rails 11.
  • FIG. 6 illustrates a view of a state where the fixed-side bottom rails 11 are received by the tie bars 14 in the fixed-side platen 15 of the injection molding system 1 according to the present exemplary embodiment viewed from the Y-axis direction. More specifically, while FIGS. 3, 4, and 5 illustrate examples where the fixed-side bottom rails 11 are fixed avoiding the tie bars 14, FIG. 6 illustrates an example where the positions of the fixed-side bottom rails 11 and the tie bars 14 overlap. Since the fixed-side platen 15 does not move with the opening and closing of a mold, the tie bars 14 and the fixed-side bottom rails 11 do not rub against each other. Thus, it is possible to configure the tie bars 14 to receive the fixed-side bottom rails 11.
  • This type of configuration enables, when loading/unloading a mold into and out of the injection molding machine 32 with the mold loading/unloading device 8, making the structure of the fixed-side bottom rails 11 uninterrupted. This results in the fixed-side bottom rails 11 providing strength as supporting members of a mold, which provides stable loading/unloading of a mold.
  • FIG. 7 illustrates a view of a state where clearances are provided between the tie bars 14 and the movable-side bottom rails 12 in the injection molding system 1 according to the present exemplary embodiment viewed from the Y-axis direction. Since the movable-side platen 16 moves with the opening and closing of a mold, if the tie bars 14 and the movableside bottom rails 12 are in close contact with each other, they will rub against each other. Thus, the movable-side bottom rails 12 having such clearances prevent them from rubbing against the tie bars 14, which reduces the amount of wear.
  • the movable-side platen 16 in FIG. 7 includes a first plane used to fix the position of a mold in the mold clamping process, and a second plane that supports a mold from below when the mold is moved by the motor 35.
  • the first plane corresponds to the plane in the movable-side platen 16 in FIG. 7 that contacts the movable-side clamping plate 20 of the mold when the mold is clamped.
  • the second plane corresponds to the upper surface (the surface that contacts the bottom rollers 26 that will be described below with reference to FIG. 8) of the movable-side bottom rails 12 in FIG. 7.
  • FIG. 8 illustrates a view of a condition where the mold A6 is inside the injection molding machine 32 in the injection molding system 1 according to the present exemplary embodiment viewed from the X-axis direction.
  • FIG. 9 is an enlarged view of the circled area in FIG. 8.
  • Bottom roller units 25 are fixed to the bottom of the fixed-side clamping plate 18 and the movable-side clamping plate 20 by bolts (not illustrated). Bottom rollers 26 are fixed to the bottom roller units 25 with nuts 27, so that the mold A6 can move smoothly on the top surface of the fixed-side bottom rails 11 or the movable-side bottom rails 12 when the mold is loaded/unloaded.
  • the bottom roller units 25 are provided with side rollers 28 that slide with the receiving plate 23.
  • the side rollers 28 have a configuration that is pushed out in the Y-axis direction by springs 29, whose elongation amount is regulated by shoulder bolts (not illustrated).
  • the side rollers 28 and the springs 29 can, for example, be realized by slide retainers or any other structure that would enable practice of the present exemplary embodiment.
  • This configuration enables the mold A6 to be loaded/unloaded without the fixed-side platen 15 and the fixed-side clamping plate 18 and the movable-side platen 16 and the movable-side clamping plate 20 rubbing against each other.
  • the bottom roller units 25 are detachable to the fixed-side clamping plate 18 or the movable-side clamping plate 20.
  • the receiving plate 23 is a detachable configuration from the fixed-side platen 15 or the movable-side platen 16. Thus, it is possible to check the condition of the receiving plate 23 and the side rollers 28 during periodic maintenance, etc., and maintenance such as replacement and repair of parts is easy. It is also possible to lower the sliding resistance by applying grease to the receiving plate 23, for example, which can increase durability.
  • FIG. 10 illustrates a view of a configuration without nuts 27 in the bottom roller units 25 configuration in FIG. 8 viewed from the X-axis direction.
  • FIG. 11 is an enlarged view of the circled area in FIG. 10.
  • the bottom rollers 26 in FIG. 10 are fixed to the bottom roller units 25 by bolts (not illustrated), and the nuts 27 are not used. This configuration enables reducing the number of parts.
  • bottom roller units to the bottoms of respective molds, which enables smooth loading/unloading of the respective molds by bottom roller units.
  • This configuration facilitates designing bottom rollers based on the respective weight of the respective molds. That is, in a molding system supported by platen-equipped bottom rollers, while bottom rollers are installed considering the maximum weight of a mold expected to be used, since only bottom rollers corresponding to the weight of the respective molds to be used need to be installed according to the present exemplary embodiment, a cost reduction related to the installation of the bottom rollers can be provided.
  • the above-described configuration of the present exemplary embodiment reduces the fabrication cost of the mounting plate. Eliminating the mounting plate results in the degree of freedom related to the thickness dimension of the mold widening, which enables enlarging the size of the mold size that can be used.
  • FIG. 12 illustrates a view of the mold loading/unloading devices 8 and the injection molding machine 32 in the injection molding system 1 according to the present exemplary embodiment viewed from the Y-axis direction. More specifically, the mold loading/unloading device 30 and the mold loading/unloading device 31 in FIG. 12 correspond to the mold loading/unloading devices 8 in FIG. 1 and FIG. 2.
  • the mold loading/unloading device 30 and the mold loading/unloading device 31 are located on both sides of the injection molding machine 32.
  • the mold loading/unloading device 30 is on the operating side of the injection molding machine 32 while the mold loading/unloading device 31 is on non-operating side of the injection molding machine 32.
  • the operating side mold 33 (corresponds to the mold A6 in FIG. 1) and the non-operating side mold 34 (corresponds to the mold B7 in FIG. 1) are both connected to a link arm 36 that is connected to motor 35.
  • the bottoms of molds 33 and 34 include bottom roller units 25 having bottom rollers 26, which enables smooth movement of the top surfaces of the bottom rollers receiving the plates 37 that are fixed to top plates of the operating side mold loading/unloading device 30 and the non-operating side mold loading/unloading device 31.
  • bottom roller units 25 illustrated in FIGS. 8 through 11, at the bottoms of the molds, eliminates the need to install rollers to support the molds on the platen of the injection molding machine 32 as well as eliminates the need to install rollers to support the molds on the operating side mold loading/unloading device 30 and the non-operating side mold loading/ unloading device 31. This simplifies the equipment configuration on the mold loading/unloading device sides, which enables reducing fabrication costs.
  • the configuration of the injection molding system 1 of the present exemplary embodiment results in cost reduction and setup efficiency of an injection molding machine and its associated mold loading/unloading devices respectively.
  • the configuration also results in reducing costs of introducing an injection molding system that moves molds between a mold injection process and a mold removal process.
  • Introduction of an injection molding system with the above-described configuration by machining an existing injection molding machine that does not support the injection molding system can be achieved.
  • FIG. 13 is a flowchart illustrating a molding process according to the present exemplary embodiment.
  • the injection molding system 1 includes a control apparatus 99 that includes a controller 100 that includes a processor such as a CPU, a RAM, a ROM, and a storage device such as a hard disk, where the processor executes the various processes illustrated in FIG. 13 by executing the programs stored in the storage device.
  • the injection molding system 1 according to the present exemplary embodiment begins the process illustrated in FIG. 13 in response to a user operation that instructs the start of the molding process by the injection molding system 1.
  • step S 101 the mold A6 is loaded into the injection molding machine 32 by the operating side mold loading/unloading device 8.
  • step S103 when the loading of the mold A6 completes, the movable platen 16 is pushed by the mold clamping force generator 17, and mold A6 is clamped.
  • step S105 after the mold A6 is clamped, molten resin is injected via the injection nozzle 2 of the injection cylinder 3 into the mold A6.
  • step S107 after injection of the resin completes, the movable platen 16 is slightly opened during a cooling process.
  • step S109 the mold A6 is unloaded from the injection molding machine 32, and the mold B7 is loaded into the injection molding machine 32 by the mold loading/unloading devices 8.
  • the timing of the loading/unloading of the mold A6 and the mold B7 can be either simultaneous or staggered. By pre-arranging it so the molding conditions can be set for the mold A6 and the mold B7 respectively, it is possible to handle molds with different part shapes simultaneously.
  • the mold A6 and the mold B7 can move smoothly via the side rollers 28, which are provided to each mold respectively, while being guided by the receiving plates 23, which are fixed to the molding machine platens (fixed-side platen 15 and movableside platen 16).
  • step Sil l when the loading of the mold B7 completes, the movable platen 16 is pushed by the mold clamping force generator 17, and the mold B7 is clamped.
  • step SI 13 after the mold B7 is clamped, molten resin is injected via the injection nozzle 2 of the injection cylinder 3 into the mold B7.
  • step SI 15 after the injection of the resin is completed, the movable platen 16 is opened slightly during the cooling process.
  • step S 117 the mold B7 is unloaded from the injection molding machine 32, and the mold A6 is loaded into the injection molding machine 32 by the mold loading/unloading devices 8.
  • the timing of the loading/unloading of the mold A6 and the mold B7 can be either simultaneous or staggered. By pre-arranging it so the molding conditions can be set for the mold A6 and the mold B7 respectively, it is possible to handle molds with different part shapes simultaneously.
  • the mold A6 and the mold B7 can move smoothly via the side rollers 28, which are provided to each mold respectively, while being guided by the receiving plates 23, which are fixed to the molding machine platens (fixed-side platen 15 and movable-side platen 16).
  • step S 119 when the loading of the mold A6 completes, the movable platen 16 is pushed by the mold clamping force generator 17, and the mold A6 is clamped.
  • step S 121 the mold clamps 13 clamp the mold A6.
  • step S 123 the movable platen 16 is opened and the molded part is removed.
  • the molded part is removed by ejecting it using an ejector pin (not illustrated) and removed using a take-out robot (not illustrated). Removal of the molded part is not limited to this approach, and any method of removing the molded part that would enable practice of the present disclosure is applicable.
  • step S125 after the molded part is removed, the movable platen 16 is pushed by the mold clamping force generator 17, and the mold A6 is clamped.
  • step S127 after the mold A6 is clamped, molten resin is injected via the injection nozzle 2 of the injection cylinder 3 into the mold A6.
  • step S 129 after injection of the resin completes, the movable platen 16 is slightly opened during a cooling process.
  • step S 131 the mold A6 is unloaded from the injection molding machine 32, and the mold B7 is loaded into the injection molding machine 32 by the mold loading/unloading devices 8.
  • the timing of the loading/unloading of the mold A6 and the mold B7 can be either simultaneous or staggered. By pre-arranging it so the molding conditions can be set for the mold A6 and the mold B7 respectively, it is possible to handle molds with different part shapes simultaneously.
  • the mold A6 and the mold B7 can move smoothly via the side rollers 28, which are provided to each mold respectively, while being guided by the receiving plates 23, which are fixed to the molding machine platens (fixed-side platen 15 and movable-side platen 16).
  • step S133 when the loading of the mold B7 completes, the movable platen 16 is pushed by the mold clamping force generator 17, and the mold B7 is clamped.
  • step S135 the mold clamps 13 clamp the mold B7.
  • step S 137 the movable platen 16 is opened and the molded part is removed.
  • the molded part is removed by ejecting it using an ejector pin (not illustrated) and removed using a take-out robot (not illustrated). Removal of the molded part is not limited to this approach, and any method of removing the molded part that would enable practice of the present disclosure is applicable.
  • step S139 after the molded part is removed, the movable platen 16 is pushed by the mold clamping force generator 17, and the mold B7 is clamped.
  • step S 141 after the mold B7 is clamped, molten resin is injected via the injection nozzle 2 of the injection cylinder 3 into the mold B7.
  • step S143 after injection of the resin completes, the movable platen 16 is slightly opened during a cooling process.
  • step S145 the mold B7 is unloaded from the injection molding machine 32, and the mold A6 is loaded into the injection molding machine 32 by the mold loading/unloading devices 8.
  • the timing of the loading/unloading of the mold A6 and the mold B7 can be either simultaneous or staggered. .
  • the mold A6 and the mold B7 can move smoothly via the side rollers 28, which are provided to each, moving while being guided by the receiving plates 23, which are fixed to the molding machine platens (fixed-side platen 15 and movable-side platen 16).
  • FIG. 13 illustrates an example of the injection molding process starting with the mold A6 located on the operating side.
  • the injection molding process starts with the mold B7 located on the non-operating side.
  • spatially relative terms such as “under” “beneath”, “below”, “lower”, “above”, “upper”, “proximal”, “distal”, and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the various figures. It should be understood, however, that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “below” or “beneath” other elements or features would then be oriented “above” the other elements or features.
  • a relative spatial term such as “below” can encompass both an orientation of above and below.
  • the device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein are to be interpreted accordingly.
  • the relative spatial terms “proximal” and “distal” may also be interchangeable, where applicable.
  • the term “about,” as used herein means, for example, within 10%, within 5%, or less. In some embodiments, the term “about” may mean within measurement error.
  • first, second, third, etc. may be used herein to describe various elements, components, regions, parts and/or sections. It should be understood that these elements, components, regions, parts and/or sections should not be limited by these terms. These terms have been used only to distinguish one element, component, region, part, or section from another region, part, or section. Thus, a first element, component, region, part, or section discussed below could be termed a second element, component, region, part, or section without departing from the teachings herein.

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Abstract

Un système de moulage par injection comprend une unité d'injection conçue pour injecter de la résine dans un moule, un actionneur conçu pour fournir de l'énergie pour déplacer le moule entre une première position dans laquelle l'unité d'injection injecte la résine dans le moule et une seconde position différente de la première position, et un plateau porte-moule conçu pour sécuriser une position du moule à la première position, une amélioration du système de moulage par injection comprenant le plateau porte-moule comprenant un élément de support ayant un plan qui supporte le moule, lorsque le moule est déplacé par l'énergie provenant de l'actionneur.
PCT/US2023/075628 2022-10-05 2023-09-29 Système de moulage par injection WO2024076886A1 (fr)

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US63/378,489 2022-10-05

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WO2020236491A1 (fr) * 2019-05-17 2020-11-26 Canon Virginia, Inc. Moule et système de moulage
US20210354358A1 (en) * 2018-09-21 2021-11-18 Canon U.S.A., Inc. Injection molding system

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US20090169674A1 (en) * 2006-04-28 2009-07-02 Pascal Engineering Corporation Injection Molding Machine
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WO2020236491A1 (fr) * 2019-05-17 2020-11-26 Canon Virginia, Inc. Moule et système de moulage

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