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WO2021036129A1 - Integrally molded sand roller and manufacturing method therefor - Google Patents

Integrally molded sand roller and manufacturing method therefor Download PDF

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Publication number
WO2021036129A1
WO2021036129A1 PCT/CN2019/128331 CN2019128331W WO2021036129A1 WO 2021036129 A1 WO2021036129 A1 WO 2021036129A1 CN 2019128331 W CN2019128331 W CN 2019128331W WO 2021036129 A1 WO2021036129 A1 WO 2021036129A1
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Prior art keywords
sand roller
manufacturing
mold
slurry
powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/128331
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French (fr)
Chinese (zh)
Inventor
高志祥
付延坡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EZHOU XINGFANG GRINDING TOOLS Co Ltd
Original Assignee
EZHOU XINGFANG GRINDING TOOLS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Publication of WO2021036129A1 publication Critical patent/WO2021036129A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds

Definitions

  • the invention relates to a manufacturing method of a sand roller, in particular to an integrally formed sand roller and a manufacturing method thereof.
  • the existing sand rollers are generally obtained after grooving on the cylindrical embryo body, which is complicated in process and time-consuming and labor-intensive.
  • the technical problem to be solved by the present invention is to provide an integrally formed sand roller and a manufacturing method thereof.
  • a method for manufacturing an integrated sand roller includes the following steps:
  • Step S1 The abrasive, the binder, and the filler are mixed in a weight ratio of 100:10-50:5-30 to obtain a slurry;
  • Step S2 Pour the slurry into the mold and place it for more than 8 hours, and keep the ambient temperature above 20°C during the placing process;
  • Step S3 After the placing time is reached, demold the embryo body in the mold;
  • Step S4 hardening the embryo body under a preset temperature condition to obtain an emery roller.
  • the preset temperature condition in step S4 is: keeping at a temperature of 25°C for 24h, then keeping at a temperature of 60°C for 2h, then keeping at a temperature of 80°C for 2h, and finally keeping at a temperature of 100°C for 2h.
  • the abrasive uses any one or more of brown corundum, diamond, white corundum, black silicon carbide and green silicon carbide.
  • the bonding agent adopts any one or more of epoxy resin, phenol resin, urea resin and polyamide resin.
  • the filler is selected from kaolin, diatomaceous earth, talc, graphite, carbon black, alumina powder, glass powder, asbestos powder, mica powder, quartz powder, carbon fiber, hemihydrate gypsum powder, cork and emery Any one or more.
  • the vibration mechanism drives the mold to vibrate, and at the same time, the press squeezes the slurry in the mold downward.
  • An integrally formed sand roller is prepared by the above method.
  • the present invention adopts an integrated molding method to prepare sand rollers, the process steps are simple, easy to operate, and molds of different shapes can be selected to prepare sand rollers of various shapes, and the scope of application is wide.
  • the invention adopts specific The slurry formula and hardening temperature conditions, the vibration and extrusion of the mold during the molding process can compress the embryo body, so that the prepared sand roller has a good molding effect and is firm and stable.
  • the present invention mainly solves the following two problems:
  • a method for manufacturing an integrated sand roller includes the following steps:
  • Step S1 The abrasive, the binder, and the filler are mixed in a weight ratio of 100:10-50:5-30 to obtain a slurry;
  • Step S2 Pour the slurry into the mold and place it for more than 8 hours, and keep the ambient temperature above 20°C during the placing process;
  • Step S3 After the placing time is reached, demold the embryo body in the mold;
  • Step S4 hardening the embryo body under a preset temperature condition to obtain an emery roller.
  • the preset temperature condition in step S4 is: keeping at a temperature of 25°C for 24 hours, then keeping at a temperature of 60°C for 2 hours, then keeping at a temperature of 80°C for 2 hours, and finally keeping at a temperature of 100°C for 2 hours.
  • the abrasive uses any one or more of brown corundum, diamond, white corundum, black silicon carbide and green silicon carbide.
  • the bonding agent adopts any one or more of epoxy resin, phenol resin, urea resin and polyamide resin.
  • the filler uses kaolin, diatomaceous earth, talc powder, graphite, carbon black, alumina powder, glass powder, asbestos powder, mica powder, quartz powder, carbon fiber, hemihydrate gypsum powder, cork and Any one or more of emery.
  • the vibration mechanism drives the mold to vibrate, and at the same time, the press squeezes the slurry in the mold downward.
  • An integrally formed sand roller is prepared by the above method.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lubricants (AREA)

Abstract

Disclosed are an integrally molded sand roller and a manufacturing method therefor. The method comprises the following steps: step S1, mixing an abrasive, a binder, and a filler at a preset ratio to obtain a slurry; step S2, pouring the slurry into a mold and placing same for 8 hours or more, and maintaining the environment temperature above 20ºC during the placing process; step S3, after the placing time is reached, demolding a blank body in the mold; and step S4, hardening the blank body according to a preset temperature curve to obtain the sand roller. The sand roller is prepared by a integrated molding method. The process steps thereof are simple and easy to operate; furthermore, molds of different shapes can be selected in order to prepare sand rollers of various shapes, and the range of application is wide. The sand roller, prepared by using a specific slurry formulation and hardening temperature, has a better molding effect, and is firm and stable.

Description

一种一体成型砂辊及其制作方法One-piece forming sand roller and manufacturing method thereof

本申请要求于2019年8月28日提交中国专利局、申请号为CN201910803449.4、发明名称为“一种一体成型砂辊及其制作方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on August 28, 2019, the application number is CN201910803449.4, and the invention title is "an integrated sand roller and its production method", the entire content of which is incorporated by reference Incorporated in this application.

技术领域Technical field

本发明涉及砂辊制作方法，具体涉及一种一体成型砂辊及其制作方法。The invention relates to a manufacturing method of a sand roller, in particular to an integrally formed sand roller and a manufacturing method thereof.

背景技术Background technique

现有砂辊一般都是在圆柱形胚体上进行开槽后得到，工艺复杂，费时费力。The existing sand rollers are generally obtained after grooving on the cylindrical embryo body, which is complicated in process and time-consuming and labor-intensive.

发明内容Summary of the invention

本发明所要解决的技术问题是提供一种一体成型砂辊及其制作方法。The technical problem to be solved by the present invention is to provide an integrally formed sand roller and a manufacturing method thereof.

本发明解决上述技术问题的技术方案如下：The technical solutions of the present invention to solve the above technical problems are as follows:

一种一体成型砂辊制作方法，包括以下步骤：A method for manufacturing an integrated sand roller includes the following steps:

步骤S1、将磨料、结合剂和填充剂按照重量比100:10-50:5-30的比例进行混合，得到浆料；Step S1: The abrasive, the binder, and the filler are mixed in a weight ratio of 100:10-50:5-30 to obtain a slurry;

步骤S2、将浆料倒入模具中放置8小时以上，放置过程中环境温度保持在20℃以上；Step S2: Pour the slurry into the mold and place it for more than 8 hours, and keep the ambient temperature above 20°C during the placing process;

步骤S3、放置时间到达后，对模具中的胚体进行脱模；Step S3: After the placing time is reached, demold the embryo body in the mold;

步骤S4、在预设温度条件下对胚体进行硬化得到砂辊。Step S4, hardening the embryo body under a preset temperature condition to obtain an emery roller.

进一步的，所述步骤S4中的预设温度条件为：25℃温度下保持24h，之后60℃温度下保持2h，之后80℃温度下保持2h，最后100℃温度下保持2h。Further, the preset temperature condition in step S4 is: keeping at a temperature of 25°C for 24h, then keeping at a temperature of 60°C for 2h, then keeping at a temperature of 80°C for 2h, and finally keeping at a temperature of 100°C for 2h.

进一步的，所述磨料采用棕刚玉、金刚石、白刚玉、黑碳化硅和绿碳化硅的任意一种或多种。Further, the abrasive uses any one or more of brown corundum, diamond, white corundum, black silicon carbide and green silicon carbide.

进一步的，所述结合剂采用环氧树脂、酚醛树脂、脲醛树脂和聚酰胺树脂的任意一种或多种。Further, the bonding agent adopts any one or more of epoxy resin, phenol resin, urea resin and polyamide resin.

进一步的，所述填充剂采用高岭土、硅藻土、滑石粉、石墨、炭黑、 氧化铝粉、玻璃粉、石棉粉、云母粉、石英粉、碳纤维、半水石膏粉末、软木和金刚砂中的任意一种或多种。Further, the filler is selected from kaolin, diatomaceous earth, talc, graphite, carbon black, alumina powder, glass powder, asbestos powder, mica powder, quartz powder, carbon fiber, hemihydrate gypsum powder, cork and emery Any one or more.

进一步的，所述步骤S2中，放置过程中振动机构带动模具进行振动，同时压机对模具内的浆料进行向下挤压。Further, in the step S2, during the placing process, the vibration mechanism drives the mold to vibrate, and at the same time, the press squeezes the slurry in the mold downward.

一种一体成型砂辊，由上述方法制备而成。An integrally formed sand roller is prepared by the above method.

本发明的有益效果为：本发明采用一体成型方法制备砂辊，工艺步骤简单，容易操作，且可以选择不同形状的模具，制备各种形状的砂辊，适用范围广，本发明采用了特定的浆料配方和硬化温度条件，成型过程中对模具进行振动和挤压可以起到压紧胚体，使得制备得到的砂辊成型效果好且牢固稳定。The beneficial effects of the present invention are: the present invention adopts an integrated molding method to prepare sand rollers, the process steps are simple, easy to operate, and molds of different shapes can be selected to prepare sand rollers of various shapes, and the scope of application is wide. The invention adopts specific The slurry formula and hardening temperature conditions, the vibration and extrusion of the mold during the molding process can compress the embryo body, so that the prepared sand roller has a good molding effect and is firm and stable.

具体实施方式detailed description

以下对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。The principles and features of the present invention will be described below, and the examples given are only used to explain the present invention, not to limit the scope of the present invention.

本发明主要解决了如下两个问题：The present invention mainly solves the following two problems:

一种一体成型砂辊制作方法，包括以下步骤：A method for manufacturing an integrated sand roller includes the following steps:

步骤S1、将磨料、结合剂和填充剂按照重量比100:10～50:5～30的比例进行混合，得到浆料；Step S1: The abrasive, the binder, and the filler are mixed in a weight ratio of 100:10-50:5-30 to obtain a slurry;

步骤S2、将浆料倒入模具中放置8小时以上，放置过程中环境温度保持在20℃以上；Step S2: Pour the slurry into the mold and place it for more than 8 hours, and keep the ambient temperature above 20°C during the placing process;

步骤S3、放置时间到达后，对模具中的胚体进行脱模；Step S3: After the placing time is reached, demold the embryo body in the mold;

步骤S4、在预设温度条件下对胚体进行硬化得到砂辊。Step S4, hardening the embryo body under a preset temperature condition to obtain an emery roller.

作为一种实施方式，所述步骤S4中的预设温度条件为：25℃温度下保持24h，之后60℃温度下保持2h，之后80℃温度下保持2h，最后100℃温度下保持2h。As an embodiment, the preset temperature condition in step S4 is: keeping at a temperature of 25°C for 24 hours, then keeping at a temperature of 60°C for 2 hours, then keeping at a temperature of 80°C for 2 hours, and finally keeping at a temperature of 100°C for 2 hours.

作为一种实施方式，所述磨料采用棕刚玉、金刚石、白刚玉、黑碳化硅和绿碳化硅的任意一种或多种。As an embodiment, the abrasive uses any one or more of brown corundum, diamond, white corundum, black silicon carbide and green silicon carbide.

作为一种实施方式，所述结合剂采用环氧树脂、酚醛树脂、脲醛树脂和聚酰胺树脂中的任意一种或多种。As an embodiment, the bonding agent adopts any one or more of epoxy resin, phenol resin, urea resin and polyamide resin.

作为一种实施方式，所述填充剂采用高岭土、硅藻土、滑石粉、石墨、炭黑、氧化铝粉、玻璃粉、石棉粉、云母粉、石英粉、碳纤维、半水石膏粉末、软木和金刚砂中的任意一种或多种。As an embodiment, the filler uses kaolin, diatomaceous earth, talc powder, graphite, carbon black, alumina powder, glass powder, asbestos powder, mica powder, quartz powder, carbon fiber, hemihydrate gypsum powder, cork and Any one or more of emery.

作为一种实施方式，所述步骤S2中，放置过程中振动机构带动模具进行振动，同时压机对模具内的浆料进行向下挤压。As an embodiment, in the step S2, during the placing process, the vibration mechanism drives the mold to vibrate, and at the same time, the press squeezes the slurry in the mold downward.

一种一体成型砂辊，由上述方法制备而成。An integrally formed sand roller is prepared by the above method.

以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection of the present invention. Within range.

Claims (7)

一种一体成型砂辊制作方法，其特征在于，包括以下步骤：A manufacturing method of an integrally formed sand roller, characterized in that it comprises the following steps: 步骤S1、将磨料、结合剂和填充剂按照重量比100:10～50:5～30的比例进行混合，得到浆料；Step S1: The abrasive, the binder, and the filler are mixed in a weight ratio of 100:10-50:5-30 to obtain a slurry; 步骤S2、将浆料倒入模具中放置8小时以上，放置过程中环境温度保持在20℃以上；Step S2: Pour the slurry into the mold and place it for more than 8 hours, and keep the ambient temperature above 20°C during the placing process; 步骤S3、放置时间到达后，对模具中的胚体进行脱模；Step S3: After the placing time is reached, demold the embryo body in the mold; 步骤S4、在预设温度条件下对胚体进行硬化得到砂辊。Step S4, hardening the embryo body under a preset temperature condition to obtain an emery roller. 根据权利要求1所述的一体成型砂辊制作方法，其特征在于，所述步骤S4中的预设温度条件为：25℃温度下保持24h，之后60℃温度下保持2h，之后80℃温度下保持2h，最后100℃温度下保持2h。The method for manufacturing an integrally formed sand roller according to claim 1, wherein the preset temperature condition in step S4 is: maintaining at a temperature of 25°C for 24 hours, then holding at a temperature of 60°C for 2 hours, and then at a temperature of 80°C. Keep it for 2h, and finally keep it at 100℃ for 2h. 根据权利要求1所述的一体成型砂辊制作方法，其特征在于，所述磨料采用棕刚玉、金刚石、白刚玉、黑碳化硅和绿碳化硅的任意一种或多种。The manufacturing method of an integrally formed sand roller according to claim 1, wherein the abrasive is any one or more of brown corundum, diamond, white corundum, black silicon carbide and green silicon carbide. 根据权利要求1所述的一体成型砂辊制作方法，其特征在于，所述结合剂采用环氧树脂、酚醛树脂、脲醛树脂和聚酰胺树脂中的任意一种或多种。The method for manufacturing an integrated sand roller according to claim 1, wherein the bonding agent is any one or more of epoxy resin, phenolic resin, urea-formaldehyde resin and polyamide resin. 根据权利要求1所述的一体成型砂辊制作方法，其特征在于，所述填充剂采用高岭土、硅藻土、滑石粉、石墨、炭黑、氧化铝粉、玻璃粉、石棉粉、云母粉、石英粉、碳纤维、半水石膏粉末、软木和金刚砂中的任意一种或多种。The method for manufacturing an integrated sand roller according to claim 1, wherein the filler is made of kaolin, diatomaceous earth, talc, graphite, carbon black, alumina powder, glass powder, asbestos powder, mica powder, Any one or more of quartz powder, carbon fiber, hemihydrate gypsum powder, cork and emery. 根据权利要求1所述的一体成型砂辊制作方法，其特征在于，所述步骤S2中，放置过程中振动机构带动模具进行振动，同时压机对模具内的浆料进行向下挤压。The manufacturing method of an integrally formed sand roller according to claim 1, wherein in the step S2, during the placing process, the vibration mechanism drives the mold to vibrate, and at the same time, the press squeezes the slurry in the mold downward. 一种一体成型砂辊，其特征在于，由权利要求1-8中任一方法制备而成。An integrally formed sand roller, characterized in that it is prepared by any method in claims 1-8.
PCT/CN2019/128331 2019-08-28 2019-12-25 Integrally molded sand roller and manufacturing method therefor Ceased WO2021036129A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910803449.4A CN110666711A (en) 2019-08-28 2019-08-28 Integrated sand roller and manufacturing method thereof
CN201910803449.4 2019-08-28

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WO2021036129A1 true WO2021036129A1 (en) 2021-03-04

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CN113262836A (en) * 2021-05-11 2021-08-17 鄂州市兴方磨具有限公司 Coated rice milling emery roller with good rice milling effect and preparation method thereof

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CN101804604A (en) * 2010-05-24 2010-08-18 高成喜 High-performance flexible-cutting resin bonded grinding wheel and production process thereof
CN103396041A (en) * 2013-07-24 2013-11-20 田辉明 Artificial high-purity quartz stone runner wheel and grinding base and preparation method thereof
CN107414688A (en) * 2017-08-23 2017-12-01 宁波大华砂轮有限公司 A kind of rail polishing emery wheel
RU2683998C1 (en) * 2017-12-13 2019-04-03 Жанна Владимировна Вараткова High-structural abrasive tool with heterogeneous abrasive grit manufacturing method

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