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Basalt scraper

A basalt and scraper technology, which is used in scrapers, textiles, paper making, paper making machines, etc., can solve the problems of poor temperature resistance, shutdown, black marks, etc., and achieve the effect of simple manufacturing method, good craftsmanship and good flexibility

Inactive Publication Date: 2011-12-14
彭俊超
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the scrapers used in papermaking machinery are steel scrapers or epoxy resin scrapers. During the production process, steel scrapers are hard and have poor toughness, which can easily scratch the rollers. In this way, manufacturers waste time in repairing rollers and cause a lot of economic losses. ;Epoxy resin scraper is brittle and has poor temperature resistance. During use, the blade can easily become jagged and scratch the blanket, causing shutdown. Poor temperature resistance makes the blade soft, and the dirt on the roller cannot be scraped off. When making writing paper with graphite powder, it is easy to lose color and cause black marks on the white paper, so it is scrapped and wastes a lot

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] (one), the manufacture method of basalt scraper, its steps are as follows:

[0039] (1) Preparation of basalt scraper base material: the basalt scraper base material is all made of basalt fiber cloth, which is prepared by bonding with an adhesive; that is, the basalt fiber cloth is pre-impregnated, cut, spread, heated and pressurized to cure Waiting for the process. Specifically, the basalt fiber cloth is glued with the prepared liquid resin glue at high temperature, and then laid layer by layer according to the requirements, put into the press, heated and pressurized by the press, pressed and solidified into a plate, and then the The plate is stripped, ground, and sharpened, and the sharpened end is the sharpened end A, and its cutting edge angle α (that is, the angle between the cutting edge and the horizontal) ( figure 2 As shown) according to the customer's requirements (25 degrees in this embodiment), and then riveted copper rivets on the other end of the scraper...

Embodiment 2

[0051] (one), the manufacture method of basalt scraper, its steps are as follows:

[0052] (1) Preparation of basalt scraper base material: The basalt scraper base material is mainly prepared by bonding basalt fiber cloth and glass fiber cloth with an adhesive. Parts of novolac epoxy resin NPPN638S are made by adding the following other components, and the parts by weight of other components are as follows:

[0053] 10 parts of epoxy resin toughening agent; 8 parts of dicyandiamide; 0.003 part of imidazole;

[0054] 30 parts of dimethylformamide (DMF); 42 parts of acetone; 20 parts of silicon micropowder;

[0055] 1.5 parts of molybdenum disulfide; 1 part of silicon carbide; 1 part of zirconium corundum.

[0056] (2) Basalt fiber cloth and glass fiber cloth prepreg, cutting, spreading, heating and pressure curing. Specifically, the basalt fiber cloth and glass fiber cloth are glued with the prepared liquid resin glue at high temperature, and then the two layers on the surfa...

Embodiment 3

[0064] (one), the manufacture method of basalt scraper, its steps are as follows:

[0065] (1) Preparation of basalt scraper base material: The basalt scraper base material is mainly prepared by bonding basalt fiber cloth and glass fiber cloth with an adhesive. Parts of novolak epoxy resin KEF-1138 is made by adding the following other components, and the parts by weight of other components are as follows:

[0066] 18 parts of epoxy resin toughening agent; 12 parts of dicyandiamide; 0.008 part of imidazole;

[0067] 45 parts of dimethylformamide (DMF); 50 parts of acetone; 30 parts of silicon micropowder;

[0068] 1.5 parts of molybdenum disulfide; 0.7 parts of silicon carbide; 0.7 parts of zirconium corundum.

[0069] (2) Basalt fiber cloth and glass fiber cloth prepreg, cutting, spreading, heating and pressure curing. Specifically, the basalt fiber cloth and glass fiber cloth are glued with the prepared liquid resin glue at high temperature, and then according to the four...

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Abstract

A basalt scraper, the base material of which is prepared by bonding basalt fiber cloth and glass fiber cloth with an adhesive, the adhesive is liquid resin glue, pre-impregnated basalt fiber cloth, glass fiber cloth Cutting, paving, heating and pressure curing to form a plate, and then slitting, grinding, and sharpening. At the blade end of the scraper, the angle of the blade is 20-60 degrees; the thickness of the scraper is 1.5-5mm., and the width is 76-200mm; the length can be customized on demand. The other end of the scraper is the connection end, which can be connected with the tool holder by means of U-shaped groove or riveting with rivets or adding a butterfly piece and riveting with rivets or milling a step surface. It has high temperature resistance, good strength, simple manufacture, low cost and convenient use.

Description

[0001] This application is a divisional application in accordance with the requirements of the "Notice of Divisional Communication" issued on December 29, 2010 (document serial number: 2010122400343090). The filing date of the original application is October 16, 2009, the application number is 200910210727.1, and the name of the invention is "basalt scraper and its manufacturing method". (1) Technical field: [0002] The invention relates to a basalt spatula, in particular to a high-strength, high-toughness phenolic epoxy resin spatula. It belongs to the technical field of papermaking equipment supporting tool manufacturing technology. (two) background technology: [0003] At present, the scrapers used in papermaking machinery are steel scrapers or epoxy resin scrapers. During the production process, steel scrapers are hard and have poor toughness, which can easily scratch the rollers. In this way, manufacturers waste time in repairing rollers and cause a lot of economic los...

Claims

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Application Information

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IPC IPC(8): D21G3/00
Inventor 彭俊超
Owner 彭俊超