Throttle valve die-casting die and manufacturing method thereof

A technology for die-casting molds and throttle valves, which is applied in the field of throttle valve die-casting molds and its production, can solve problems such as insufficient exhaust functions, achieve the effects of reducing the proportion of bad air holes and optimizing exhaust functions

Pending Publication Date: 2022-07-22
ZHANJIANG DENI VEHICLE PARTS
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a throttle valve die-casting mold and its manufacturing method, aiming to solve the problem of insufficient exhaust function of the throttle valve die-casting mold in the prior art

Method used

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  • Throttle valve die-casting die and manufacturing method thereof
  • Throttle valve die-casting die and manufacturing method thereof
  • Throttle valve die-casting die and manufacturing method thereof

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Embodiment Construction

[0050] The concept, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings, so as to fully understand the purpose, solutions and effects of the present invention. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The same reference numbers are used throughout the drawings to refer to the same or like parts.

[0051] It should be noted that, unless otherwise specified, when a feature is called "fixed" or "connected" to another feature, it can be directly fixed or connected to another feature, or it can be indirectly fixed or connected to another feature. on a feature. In addition, the descriptions of upper, lower, left, right, etc. used in the present invention are only relative to the mutual positional relationship of each component of the pre...

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Abstract

The invention discloses a throttle valve die-casting die which comprises a movable die body, a fixed die body and a plurality of core pulling mechanisms. The plurality of core pulling mechanisms are respectively connected with the fixed mold core and the movable mold core; the fixed mold is provided with a sprue bush located below the fixed lining mold, and the movable mold is provided with a sprue spreader located below the movable lining mold and matched with the sprue bush; the fixed lining die is provided with a plurality of feeding channels connected with the sprue spreader and the forming cavity; the movable mold and the fixed mold are both provided with exhaust blocks connected with the forming cavity, the movable lining mold and the fixed lining mold are provided with a plurality of overflow grooves connected with the forming cavity and the exhaust blocks, the end face, facing the fixed mold, of the movable lining mold is evenly provided with net-shaped gas collecting grooves, and the circumferential face of the fixed mold core is provided with a plurality of vertical gas collecting grooves. According to the injection mold, the net-shaped gas collecting groove is formed in the lining mold, the vertical gas collecting groove is formed in the mold core, and the mode that the slag ladle is connected with the exhaust block is matched, so that the exhaust function of the mold is optimized, and the ratio of poor air holes caused by gas wrapping in the injection process is effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of die casting, and particularly relates to a throttle valve die casting mold and a manufacturing method thereof. Background technique [0002] The throttle body is used as the gate of the engine intake, and the opening angle of the throttle plate installed on it determines the size of the intake air. Therefore, it is very important to install the throttle body on the valve body. After processing, the exposed air hole needs to be ≤0.4mm. [0003] Due to the complex structure of the product, many weight-reducing parts, and strict requirements for product pores, the die-casting mold needs to have an excellent exhaust function. However, the exhaust function of the existing throttle valve die-casting mold is insufficient, resulting in a high proportion of defective pores caused by entraining air during the injection process. SUMMARY OF THE INVENTION [0004] The invention provides a throttle valve die-casting...

Claims

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Application Information

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IPC IPC(8): B22D17/22C22C1/02C22C1/06C22C21/00
CPCB22D17/22C22C1/026C22C1/06C22C21/00Y02P10/20
Inventor 简世劲袁静易方富
Owner ZHANJIANG DENI VEHICLE PARTS
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