Preform temperature adjustment device and temperature adjustment method
A technology of preforms and adjustment devices, which can be used in household appliances, household components, and other household appliances. It can solve problems such as difficulties and achieve uniform temperature distribution and good blow molding effects.
Pending Publication Date: 2021-12-31
NISSEI ASB MASCH CO LTD
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- Application Information
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Problems solved by technology
[0004] However, if blow molding machines are operated at high cycles, it is more difficult than ever to continuously mold / produce containers with constant quality
Method used
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Embodiment Construction
[0052] Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
[0053] figure 1 It is a top view of a blow molding device to which an example of a preform temperature adjustment device according to an embodiment of the present invention is applied. In addition, Figure 2 to Figure 4 They are respectively a top sectional view, a side sectional view, and a front sectional view of the heating device of the above-mentioned blow molding device.
[0054] Such as figure 1 As shown, the blow molding device 100 according to this embodiment is provided with an injection molding unit 120 on the machine platform 31, and simultaneously injection molds a plurality (for example, 24 ( figure 1 Among them, the three rows 200a, 200b, 200c each consist of eight preforms 200)) the preform 200; the cooling part 140 cools the preform 200 molded by the injection molding part 120; the heating part ( The temperature adjusting part and the heati...
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The purpose of the present invention is to provide a preform temperature adjustment device and a temperature adjustment method, with which temperature adjustment of a preform can be achieved by automatically changing, in response to voltage fluctuations of a supply power source, etc, the outputs of a heating device for heating the preform and a cooling device for cooling the atmospheric temperature of the preform. In this preform temperature adjustment device, a preform which has been injection molded is temperature treated by a heating device which heats the preform to raise the temperature of the preform or the atmospheric temperature thereof and a cooling device which cools the preform or the atmosphere thereof to reduce the temperature of the preform or the atmospheric temperature thereof so as to adjust the temperature of the preform, and then the temperature-adjusted preform is sent to a blow molding step, wherein the preform temperature adjustment device is characterized in that the cooling device and the heating device are each driven by being supplied with electricity at a prescribed voltage from the supply power source, and the cooling device and the heating device are provided with: a monitoring device that constantly monitors fluctuations in the prescribed voltage; and an output automatic control mechanism that, if the prescribed voltage monitored by the monitoring device fluctuates beyond a normal range, automatically changes the output of the heating device and / or the cooling device so that the output falls within a fixed range, thereby making adjustments such that the temperature of the preform and / or the atmospheric temperature thereof falls within a normal temperature range.
Description
technical field [0001] The present invention relates to a preform temperature adjustment device, a temperature adjustment method, and the like in a hot parison type blow molding device. More specifically, it relates to a method capable of automatically changing the output of at least one of a heating device for heating a preform and a cooling device for cooling a preform in accordance with a change in the voltage of a power supply to realize the realization of a preform. A temperature adjustment device, a temperature adjustment method, and the like of a temperature-adjusted preform. Background technique [0002] Conventionally, as an injection stretch blow molding machine, there is known a blow molding device which is provided with a cooling unit for batching a plurality of preforms (e.g., 8 preforms × 3 rows = 24 batches) After injection molding, it is temporarily cooled; the temperature adjustment unit switches the batch mode to the continuous mode to transport the prefor...
Claims
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IPC IPC(8): B29B11/08B29B13/02B29B13/04B29C45/00B29C49/06B29C49/64B29C49/78
CPCB29B13/02B29C45/00B29B11/08B29B13/04B29C49/6418B29C49/6427B29C2049/7861B29C49/68B29C2949/0715B29C49/6845B29C2049/7882B29L2031/716B29C2949/0771B29C2049/023B29C49/06B29C49/6436B29C49/78B29C49/786B29L2031/7158
Inventor 土屋知朗比田井健
Owner NISSEI ASB MASCH CO LTD