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Small-specification horizontal machine PCD enamelling mold

A technology of small size and mold, applied in cable/conductor manufacturing, electrical components, circuits, etc., can solve the problems of small wear ratio of tungsten steel mold core, fast wear consumption, low production efficiency of workers, etc., to avoid fast wear and consumption, Reduced surface roughness and improved die breakage effect

Pending Publication Date: 2021-08-20
TONGLING JINGLONG ELECTRIC MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the above-mentioned technical problems, the object of the present invention is to provide a small-sized horizontal machine PCD painting mold: by cutting the PCD composite sheet into the required shape with a laser, through ultrasonic shaping, polishing to the required hole shape and Dimensions, get the mold core, fix the mold base with a graphite mold sleeve, place the mold core in the mold, then add sintering raw materials between the mold base and the mold core, and then put it on a hot press sintering machine for sintering processing, and powder the mold core The metallurgical process is fixed to the center of the mold base by hot pressing and sintering to obtain this small-sized horizontal machine PCD painted mold, which solves the problem that the existing tungsten steel mold core has a small wear ratio, fast wear and consumption during the production process, poor finish, and frequent jams during the production process. High rate of mold breakage, large amount of wire waste, poor parallelism of paint film, low production efficiency of workers, time-consuming and power-consuming problems

Method used

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  • Small-specification horizontal machine PCD enamelling mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] This embodiment is a kind of sintering raw material, and the preparation process of sintering raw material is as follows:

[0036]S1: Add ethylenediamine and absolute ethanol to a three-necked flask equipped with a stirrer and a constant pressure dropping funnel, stir for 20min at a temperature of 55°C and a stirring rate of 200r / min, and then add bromine dropwise The ethanol solution of dodecane, control the dropping rate at 1mL / min, continue to stir and react for 10h after the dropwise addition is completed, after the reaction is completed, cool the reaction product to room temperature, vacuum filter, and wash the filter cake 3 times with absolute ethanol , then put the filter cake in a vacuum drying oven, and dry it to a constant weight at a temperature of 50°C to obtain an intermediate product A; control the ratio of ethylenediamine to absolute ethanol to be 1g: 10mL, bromide deca The ethanol solution of dioxane is a solution formed by bromododecane and absolute eth...

Embodiment 2

[0041] This embodiment is a kind of sintering raw material, and the preparation process of sintering raw material is as follows:

[0042] S1: Add ethylenediamine and absolute ethanol to a three-necked flask equipped with a stirrer and a constant pressure dropping funnel, stir for 30min at a temperature of 65°C and a stirring rate of 400r / min, and then add bromine dropwise The ethanol solution of dodecane, control the dropping rate at 2mL / min, continue to stir and react for 12h after the dropwise addition is completed, after the reaction is completed, cool the reaction product to room temperature, vacuum filter, and wash the filter cake with absolute ethanol for 5 times , and then put the filter cake in a vacuum drying oven, and dry it to a constant weight at a temperature of 80°C to obtain an intermediate product A; control the ratio of ethylenediamine to absolute ethanol to be 1g: 20mL, bromide deca The ethanol solution of dioxane is a solution formed by bromododecane and abs...

Embodiment 3

[0047] This embodiment is a small-sized horizontal machine PCD painting mold, which is prepared by the following steps:

[0048] Step 1: Cut the PCD composite sheet into the required shape by laser, and then undergo ultrasonic shaping and polishing to the required hole shape and size to obtain the mold core;

[0049] Step 2: Fix the mold base with a graphite mold sleeve, place the mold core in the mold, then add sintering raw materials between the mold base and the mold core, and then put it on a hot-press sintering machine for sintering, heat the mold core with powder metallurgy process Pressing and sintering is fixed to the center of the mold base to obtain the small-sized horizontal machine PCD painting mold;

[0050] Wherein, the preparation process of sintering raw materials is as follows:

[0051] A1: Weigh 70 parts of electrolytic copper, 5 parts of zinc, 5 parts of cobalt, 5 parts of molybdenum, 10 parts of nickel, 5 parts of chromium, 5 parts of tin and 5 parts of si...

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Abstract

The invention discloses a small-specification horizontal machine PCD enamelling mold, and relates to the field of high-speed horizontal machine enamelling molds and powder metallurgy processes. The small-specification horizontal machine PCD enamelling mold is characterized in that a PCD composite sheet is cut into a needed shape through laser, ultrasonic shaping and polishing are carried out to obtain a needed hole pattern and size, and a mold core is obtained; and a mold seat is fixed through a graphite mold sleeve, the mold core is placed in a mold body, sintering raw materials are added the a space between the mold seat and the mold core, then the mold body is placed on a hot pressing sintering machine to be sintered, the mold core is fixed to the center of the mold seat through a powder metallurgy process in a hot pressing sintering mode, and the enamelling mold is obtained. According to the small-specification horizontal machine PCD enamelling mold, the PCD composite sheet material is used for replacing a traditional tungsten steel material, the wear resistance is obviously improved, and the surface roughness is obviously reduced, so that the situation that in the enameled wire enamelling process, mold clamping and wire breaking are prone to happen is improved; the mold seat and the mold core are tightly connected through the sintering process, so that the problems that quality of the enameled wires is poor and defective products are produced due to rejection of the mold caused by the fact that the mold core can fall off after a long time or paint leaks from joints due to the fact that the mold core is abraded and consumed quickly are solved.

Description

technical field [0001] The invention relates to the field of high-speed horizontal machine painting molds and powder metallurgy technology, in particular to a small-sized horizontal machine PCD painting mold. Background technique [0002] The enameled wire painting process involves high-speed horizontal machine painting molds. At present, the mold cores used in high-speed vertical machines are tungsten steel cores. The disadvantages are: the wear ratio of tungsten steel is small, and the wear and consumption are fast during the production process. Often, the die jamming rate is high, the amount of wire waste is large, the parallelism of the paint film is poor, the production efficiency of the workers is low, time-consuming, and power-consuming, etc.; [0003] Therefore, in order to improve production efficiency, reduce energy consumption, and improve product quality, the present invention proposes a small-sized horizontal machine PCD painting mold to solve the above problems...

Claims

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Application Information

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IPC IPC(8): B22F5/00B22F3/14B22F1/00B22F7/08B22F9/04H01B13/06
CPCB22F5/007B22F7/062B22F3/14B22F9/04H01B13/065B22F1/10Y02P10/25
Inventor 郑守国曾东文陈光宝
Owner TONGLING JINGLONG ELECTRIC MATERIAL
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