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Manufacturing process of oil outlet tray of gasoline pump and structure of oil outlet tray

A manufacturing process and oil outlet pan technology, applied in the direction of coating, etc., can solve the problems affecting mass production quality, inconsistent coaxiality between inner bushing and disc body, inconsistent gasoline pump flow, etc.

Active Publication Date: 2011-10-05
GUANGZHOU CAMPIU AUTOMOTIVE PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has the following disadvantages: 1) The method of pressing in will cause the distance between the upper surface of the inner bushing and the upper surface of the disc body to be inconsistent, thereby affecting the quality of mass production; 2) The same distance between the inner bushing and the disc body The axiality will be inconsistent, which will affect the manufacturing accuracy; based on the above shortcomings, it will eventually cause the flow of the gasoline pump to be inconsistent, which will affect the work of the car

Method used

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  • Manufacturing process of oil outlet tray of gasoline pump and structure of oil outlet tray
  • Manufacturing process of oil outlet tray of gasoline pump and structure of oil outlet tray
  • Manufacturing process of oil outlet tray of gasoline pump and structure of oil outlet tray

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The manufacturing process of the gasoline pump oil outlet plate is to integrally form the plate body 501 and the inner liner 503 in a mold, including the following steps:

[0032] 1. Baking of raw materials, wherein the raw material used is PPS, the baking temperature is 110-125°C, preferably 110°C, and the baking time is 3.5-4.3 hours, preferably 3.5 hours.

[0033] 2. Injection molding. The steps are as follows:

[0034] (1) Mold opening, wherein, mold opening includes three stages, followed by slow mold opening, fast mold opening and deceleration mold opening; the pressure of slow mold opening is 42~45 N, and 42N is selected in this embodiment , the speed is 25~28 m / s, preferably 25m / s; the pressure of rapid mold opening is 22~26 N, preferably 22N, the speed of rapid mold opening is 28~32 m / s, preferably 28m / s; slow down mold opening The pressure is 15~17 N, preferably 15N, and the speed is 10~13 m / s, preferably 10m / s.

[0035] (2) Put the inner bushing 503 into t...

Embodiment 2

[0043] The manufacturing process of the gasoline pump oil outlet plate is to integrally form the plate body 501 and the inner liner 503 in a mold, including the following steps:

[0044] 1. Baking of raw materials, wherein the raw material used is PPS, the baking temperature is 110-125°C, preferably 125°C, and the baking time is 3.5-4.3 hours, preferably 4.3 hours.

[0045] 2. Injection molding. The steps are as follows:

[0046](1) Mold opening, wherein, mold opening includes three stages, followed by slow mold opening, fast mold opening and deceleration mold opening; the pressure of slow mold opening is 42~45 N, and 45N is selected in this embodiment , the speed is 25~28 m / s, preferably 28m / s; the pressure of rapid mold opening is 22~26 N, preferably 26N, the speed of rapid mold opening is 28~32 m / s, preferably 32m / s; slow down mold opening The pressure is 15~17 N, preferably 17N, and the speed is 10~13 m / s, preferably 13m / s.

[0047] (2) Put the inner bushing 503 into th...

Embodiment 3

[0055] The manufacturing process of the gasoline pump oil outlet plate is to integrally form the plate body 501 and the inner liner 503 in a mold, including the following steps:

[0056] 1. Baking of raw materials, wherein the selected raw material is PPS, the baking temperature is 110-125°C, preferably 120°C, and the baking time is 3.5-4.3 hours, preferably 4 hours.

[0057] 2. Injection molding. The steps are as follows:

[0058] (1) Mold opening, wherein, mold opening includes three stages, followed by slow mold opening, fast mold opening and deceleration mold opening; the pressure of slow mold opening is 42~45 N, and 43N is selected in this embodiment , the speed is 25~28 m / s, preferably 27m / s; the pressure of rapid mold opening is 22~26 N, preferably 24N, the speed of rapid mold opening is 28~32 m / s, preferably 30m / s; slow down mold opening The pressure is 15~17 N, preferably 16N, and the speed is 10~13 m / s, preferably 12m / s.

[0059] (2) Put the inner bushing 503 into...

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Abstract

The invention discloses a manufacturing process of an oil outlet tray of a gasoline pump and the oil outlet tray of the gasoline pump. The process comprises the following steps of: (1) opening a mould, wherein a mould-opening pressure is 15 to 45 N and a mould-opening speed is 10 to 28 m / s; (2) putting a lining into the mould; (3) assembling the mould, wherein a mould assembly pressure is 15 to 80 N and a mould assembly speed is 5 to 45 m / s; (4) injecting, wherein injecting time is 18 to 23 S; (5) maintaining pressure, wherein a maintaining pressure is 14 to 17 N and pressure-maintaining timeis 18 to 25 S; (6) after finishing pressure maintaining, carrying out the steps (1) and (7) at the same time; (7) ejecting a moulded product, wherein an ejection pressure is 0 to 3 N and an ejection speed is 11 to 12 m / s; and (8) rejecting, wherein a rejecting pressure is 0 to 5 N and a rejecting speed is 12 to 15 m / s. By the process, the accuracy of the oil outlet tray is improved, and manufacturing cost is low.

Description

technical field [0001] The invention relates to an oil outlet pan of a gasoline pump, in particular to a manufacturing process for an oil outlet pan of a gasoline pump. Background technique [0002] The function of the gasoline pump is to suck the gasoline out of the fuel tank and press it into the float chamber of the carburetor through the pipeline and the gasoline filter. It is thanks to the gasoline pump that the gasoline tank can be placed at the rear of the car away from the engine and below the engine. [0003] like figure 1 As shown, the gasoline pump includes a housing 100, a motor 200 is arranged inside the housing 100, a front end cover 300 is installed on one end of the housing 100, a rear end cover 400 is installed on the other end of the housing 100, and the front end cover 300 is provided with an oil inlet port 3001, the rear end cover 400 is provided with an oil outlet 4001, an oil outlet pan 500 is installed at one end of the front end cover 300 in the cas...

Claims

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Application Information

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IPC IPC(8): B29C45/14
Inventor 韩金红
Owner GUANGZHOU CAMPIU AUTOMOTIVE PARTS
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