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A flow channel and flow path technology, which is applied in the direction of manufacturing tools, configuration of indicating equipment/measuring equipment, casting equipment, etc., can solve problems such as timing delay of detecting melt

Active Publication Date: 2021-10-26
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, depending on the structure of the channel part where the sensor is installed or the amount of gas generated, gas may remain in the sensor part, and even when the melt flows to the part of the melt detection sensor, the melt detection sensor detects timing is sometimes delayed

Method used

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  • Runner structure
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Experimental program
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Embodiment Construction

[0025] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0026] Such as Figure 1 ~ Figure 3 As shown, the die-casting device 10 is provided with a molten metal M1 for supplying a metal for casting a metal casting C1 (refer to Figure 4 ) supply device 11 and casting mold 12 for casting C1 of casting metal. In addition, the die-casting device 10 includes a decompression pump 13 (decompression unit) for decompressing the inside of the casting mold 12 to make it vacuum, a runner structure 14 for connecting the casting mold 12 and the decompression pump 13 , and an integrated control of the die-casting machine. The control device 15 of the device 10 .

[0027] The casting mold 12 is a mold for casting a casting C1 of a predetermined metal, and includes a first mold 12 a and a second mold 12 b.

[0028] Mold closing is performed by bringing the second mold 12b relatively close to the first mold 12a, and mold opening is perform...

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Abstract

The invention provides a flow channel structure. The flow path (14a) of the flow path structure (14) has: the first flow path (31), for the molten metal (M1) of the metal to flow to the first direction (D1); the second flow path (32), and the first flow path (32). The terminal portion of the flow path (31) is connected and extends along the second direction (D2); the third flow path (33) is connected to the upstream side of the first flow path (31) and extends along the third direction (D3); and , the fourth flow path (34), for the molten metal (M1) to flow to the part connected with the decompression pump (13). A detection unit (36) for detecting the arrival of the molten metal (M1) is provided on the first flow path (31).

Description

technical field [0001] The invention relates to a flow channel structure. Background technique [0002] There is known a die casting method of die casting, which is a casting method for mass-producing castings with high dimensional accuracy in a short period of time by injecting molten metal into a mold at high speed and high pressure. In addition, there is also known a vacuum die-casting method in which a molten metal is injected while the cavity of the mold is decompressed and vacuumized (for example, JP-A-2016-131995). [0003] In the technology disclosed in Japanese Patent Laid-Open No. 2016-131995, an exhaust passage connecting the cavity and the decompression unit and a pressure reducing valve for opening and closing the exhaust passage are provided, and between the cavity of the exhaust passage and the pressure reducing valve , a melt detection sensor is provided at a position opposite to the flow of the melt. [0004] It has been known that gas and air generated fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D17/22B22D17/14B22D17/32B22D2/00
CPCB22D2/00B22D17/14B22D17/2272B22D17/32
Inventor 冈田猛西原政吾
Owner HONDA MOTOR CO LTD