Method for self-checking runner dead angles
A runner and dead angle technology, which is applied in the field of self-inspection of the dead angle of the runner, can solve the problems of hot runner system such as unclean injection, misalignment, and unsmooth flow of molten plastic.
Pending Publication Date: 2020-11-24
GUANGDONG YUDO HOT RUNNER SYST
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Problems solved by technology
[0002] The flow channel plug of the manifold is usually in the form of formal installation, and the direction of the flow channel of the plug is consistent with the direction of the flow channel of the heat shield. During installation, it is impossible to confirm whether the internal flow channel of the heat shield and the plug are seamlessly connected, and whether there will be misalignment
If there is misalignment between the plug and the runner, it is easy to cause the molten plastic to flow unsmoothly inside the hot runner system, and it is easy to hide glue at the misplaced place when the plastic color is changed, resulting in unclean injection and flushing of the hot runner system, and the produced product is mixed with other variegated colors , especially in white products
Method used
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[0026] see Figure 1-Figure 3 , a method for self-checking the dead angle of the flow channel, comprising the following steps:
[0027] Firstly, the cylindrical plug 100 is reversely installed in the diverter plate flow channel 300, one end of the circular plug flow channel 101 inside the plug 100 is opposite to the circular plug hole 201 on the heat shield 200, One end is opposite to the circular splitter flow channel;
[0028] Secondly, by manually observing from the plug hole 201 into the heat shield 200, if the upper and lower positions of the plug flow channel 101 at the plug hole 201 are flush with the heat shield flow channel 202, then it is determined that the flow between the plug and the heat shield is The channels are seamlessly connected, and the flow channel has no dead angle. If the upper and lower positions of the plug flow channel 101 at the position of the plug hole 201 are not flush with the heat shield flow channel 202, the flow channel has a dead angle;
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The invention discloses a method for self-checking runner dead angle. A plug of a spreader plate is in a cylindrical shape; before installing the plug, reverse installation of the plug is first conducted; after installation, visual check can be conducted from the position of a screw of the plug to check whether a dead angle or misplacement exists in the connection between the plug and a runner; and if a dead angle exists, reprocessing is conducted until the plug is connected with a thermal insulation plate runner. A novel plug checking method is adopted, the problem of undetectable dead anglesinside the runner is solved, supply of defective product s to a user is avoided, and a breakthrough is made in the field of white plastic home appliances in the hot runner industry.
Description
technical field [0001] The invention relates to the technical field of hot runners, in particular to a method for self-checking the dead angle of the runner. Background technique [0002] The flow channel plug of the manifold is usually in the form of formal installation, and the direction of the flow channel of the plug is consistent with the direction of the flow channel of the heat shield. During installation, it is impossible to confirm whether the internal flow channel of the heat shield and the plug are seamlessly connected, and whether there will be misalignment . If there is misalignment between the plug and the runner, it is easy to cause the molten plastic to flow unsmoothly inside the hot runner system, and it is easy to hide glue at the misplaced place when the plastic color is changed, resulting in unclean injection and flushing of the hot runner system, and the produced product is mixed with other variegated colors , especially in white products. Contents of...
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Login to View More IPC IPC(8): B29C45/80
CPCB29C45/80B29C2945/76083B29C2945/76274
Inventor 李象烈康仁值陈雨俭谢永权吴育忠骆田伟
Owner GUANGDONG YUDO HOT RUNNER SYST