CN106863159B - Device and method for bonding superhard material grinding wheel abrasive block and substrate - Google Patents

Device and method for bonding superhard material grinding wheel abrasive block and substrate Download PDF

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Publication number
CN106863159B
CN106863159B CN201710213667.3A CN201710213667A CN106863159B CN 106863159 B CN106863159 B CN 106863159B CN 201710213667 A CN201710213667 A CN 201710213667A CN 106863159 B CN106863159 B CN 106863159B
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China
Prior art keywords
grinding wheel
block
bonding
grinding
abrasive
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CN106863159A (en
Inventor
邢波
吴晓磊
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Zhengzhou Research Institute for Abrasives and Grinding Co Ltd
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Zhengzhou Research Institute for Abrasives and Grinding Co Ltd
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    • 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
    • B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
    • 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
    • B24D18/0063—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by extrusion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The invention belongs to the field of abrasive material grinding tool manufacturing, and particularly relates to a device and a method for bonding a superhard material grinding wheel grinding material block and a substrate. Compared with the prior art, the invention has the following advantages: (1) The bonding pressing force of the grinding wheel block is controllable, the pressing force between the grinding wheel block and the base body tends to be consistent under the action of air pressure of the air bag, and the grinding wheel block has certain elasticity, so that the bonding stress of the adhesive in the curing process is greatly reduced, and the bonding efficiency of the grinding wheel block is improved; (2) The arrangement of the sliding block structure enables the device to be suitable for the bonding operation of grinding wheels with various diameters.

Description

Device and method for bonding superhard material grinding wheel abrasive block and substrate
Technical Field
The invention belongs to the field of abrasive material grinding tool manufacturing, and particularly relates to a device and a method for bonding a superhard material grinding wheel grinding material block and a substrate.
Background
The superhard material grinding wheel is generally composed of a substrate and an abrasive layer, which are bonded together by an adhesive. In the process of manufacturing a superhard grinding wheel, particularly a large-diameter grinding wheel, an abrasive layer is usually made into a plurality of abrasive blocks, and the abrasive blocks are spliced into the abrasive layer which is fixedly attached to the outer circumference of a grinding wheel base body through a bonding process.
The bonding process of the grinding material layer of the superhard grinding wheel and the substrate has great influence on the service life and the safe use performance of the grinding wheel. At present, the bonding of the grinding layer and the matrix of the superhard grinding wheel is usually completed by manual operation, firstly, the grinding wheel matrix 1 is placed on a reference flat plate, then, the grinding blocks with the bonding surfaces coated with the bonding agent 2 are sequentially attached to the outer circumferential surface of the grinding wheel matrix 1, and are sequentially compressed under the action of bolts 7 arranged on a fixed ring 8 by utilizing compression blocks 9 (in a free state, the contact surfaces with the grinding blocks are arc surfaces matched with the outer arc of the grinding blocks) which are in one-to-one correspondence with the grinding blocks 3 until the whole grinding layer is spliced, as shown in fig. 1.
The existing bonding process of the grinding material layer and the matrix of the superhard grinding wheel has the following problems: (1) The requirement on the matching degree of the pressing block and the grinding block is high (the pressing block is matched with the diameter of the grinding wheel), so that the bonding clamp is high in pertinence and limited in universality; (2) The pressing force of the bolt on the grinding wheel block is mainly controlled manually, and the consistency of the force is poor, so that the bonding strength between the grinding wheel block and the base body is different; (3) Because each abrasive block is rigidly contacted and pressed by the bolt, the adhesive stress between the abrasive block and the grinding wheel matrix is large after the abrasive block is solidified by a thermosetting process, and the abrasive block is easy to fall off under the action of grinding force in the using process; and (4) the traditional bonding process is complex to operate and low in production efficiency.
The applicant applies for a superhard material grinding wheel grinding material block and substrate consolidation device and method (application number: 201410185318.1) on 2014-05.05, and discloses a superhard material grinding wheel grinding material block and substrate consolidation device which comprises a bottom ring, a turntable, an adhesive coating mechanism, an elastic magnetic pressure ring and an electromagnetic ring, wherein a positioning shaft for mounting and positioning a grinding wheel substrate is arranged in the center of the upper surface of the turntable, the bottom ring, the turntable, the elastic magnetic pressure ring and the electromagnetic ring are coaxially arranged, the elastic magnetic pressure ring is arranged on the turntable, the electromagnetic ring is sleeved outside the elastic magnetic pressure ring, the adhesive coating mechanism is arranged on the side part of the turntable, the bottom ring is arranged on the lower surface of the turntable, and an annular air flow channel is arranged on the bottom ring.
Although the above patent solves the problem of inconsistent pressing force, the universality of the elastic magnetic body is limited.
Disclosure of Invention
The invention aims to provide a device and a method for bonding an abrasive material block and a matrix of a grinding wheel made of various superhard materials, so that the pressing force of the abrasive material block and the matrix of the grinding wheel is consistent and the device and the method are suitable for bonding operation of grinding wheels with various diameters.
The object of the invention is achieved in the following way: the utility model provides a superhard materials emery wheel abrasive brick piece and base member bonding device, includes bottom plate, briquetting and annular gasbag, and bottom plate upper surface center is equipped with the boss that is used for installing location emery wheel base member, the bottom plate upper surface evenly is equipped with the spout that is used for installing the briquetting, is radial arrangement distribution between the spout, is provided with annular gasbag outside the briquetting, and annular gasbag and bottom plate set up with the axle center.
The lower part of the pressing block is provided with a dovetail guide rail matched with the sliding groove.
Arc bulges are arranged on two sides of one surface of the pressing block, which is in contact with the grinding material block.
The arc bulge is an elastic body.
A method for solidifying a superhard material grinding wheel abrasive block and a matrix comprises the following steps:
A. basic positioning, namely cleaning a grinding wheel matrix, placing the grinding wheel matrix on a bottom plate, and positioning the grinding wheel matrix by matching a center hole of the grinding wheel matrix with a boss in the middle of the bottom plate;
B. coating an adhesive: uniformly coating a liquid adhesive on the outer circumference of the grinding wheel matrix;
C. bonding and positioning the abrasive material blocks: sequentially attaching the abrasive material blocks to the outer circumference of the grinding wheel base body coated with the adhesive, then sequentially abutting the sliding blocks on the outer circular arc of the abrasive material blocks, placing the annular air bag on the outer circumference of the sliding blocks and inflating the annular air bag to increase the pressing force of the sliding blocks on the abrasive material blocks to a set value;
D. after the operations are finished, the adhesive can be subjected to subsequent curing treatment, and the bonding of the grinding wheel matrix and the grinding material block is finished.
Compared with the prior art, the invention has the following advantages: (1) The bonding pressing force of the grinding wheel block is controllable, the pressing force between the grinding material block and the base body tends to be consistent under the action of the air pressure of the air bag, and the grinding wheel block has certain elasticity, so that the bonding stress of the adhesive in the curing process is greatly reduced, and the bonding efficiency of the grinding material block is improved; (2) The arrangement of the sliding block structure enables the device to be suitable for the bonding operation of grinding wheels with various diameters.
Drawings
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is an exploded schematic view of the present invention.
Fig. 4 is a top view of the base plate of the present invention.
FIG. 5 is a schematic view of the structure of the compact.
Detailed Description
As shown in figures 2-5, the device for bonding the grinding material block of the superhard grinding wheel with the base body comprises a bottom plate 6, a pressing block 4 and an annular air bag 5, wherein a boss 10 for installing and positioning the grinding wheel base body 1 is arranged at the center of the upper surface of the bottom plate 4, sliding grooves 11 for installing the pressing block are uniformly arranged on the upper surface of the bottom plate 6, the sliding grooves 11 are radially arranged and distributed, a dovetail guide rail 12 matched with the sliding grooves 11 is arranged at the lower part of the pressing block 4, arc protrusions 13 are arranged on two sides of the contact surface of the pressing block 4 and the grinding material block, the arc protrusions 13 are elastic bodies, the annular air bag 5 is arranged outside the pressing block 4, and the annular air bag 5 and the bottom plate 4 are coaxially arranged.
In order to make the pressing force of the abrasive material block consistent with that of the grinding wheel matrix, the traditional single-block pressing mode is replaced by the air bag integral elastic pressing mode, the pressing force is regulated and controlled by adjusting the air pressure of the air bag, the bonding stress of the adhesive in the subsequent heat curing process is reduced, and the bonding efficiency of the abrasive material block is improved; in order to make the bonding device suitable for bonding grinding wheels with different diameters, the pressing block and the grinding material block are changed into a line contact mode from surface contact, and meanwhile, the pressing block is arranged in a sliding mode along the radial direction of the bottom plate, so that the bonding device is suitable for bonding operation of grinding wheels with various diameters.
A method for solidifying a superhard material grinding wheel abrasive block and a matrix comprises the following steps:
A. basic positioning, namely cleaning a grinding wheel matrix, placing the grinding wheel matrix on a bottom plate, and positioning the grinding wheel matrix by matching a center hole of the grinding wheel matrix with a boss in the middle of the bottom plate;
B. coating an adhesive: uniformly coating a liquid adhesive on the outer circumference of the grinding wheel matrix;
C. bonding and positioning the abrasive material blocks: sequentially attaching the abrasive material blocks to the outer circumference of the grinding wheel base body coated with the adhesive, then sequentially abutting the sliding blocks on the outer circular arc of the abrasive material blocks, placing the annular air bag on the outer circumference of the sliding blocks and inflating the annular air bag to increase the pressing force of the sliding blocks on the abrasive material blocks to a set value;
D. after the operations are finished, the adhesive can be subjected to subsequent curing treatment, and the bonding of the grinding wheel matrix and the grinding material block is finished.

Claims (2)

1. The utility model provides a superhard materials emery wheel abrasive brick piece and base member bonding device which characterized in that: the grinding wheel comprises a bottom plate, pressing blocks and annular air bags, wherein a boss for mounting and positioning a grinding wheel base body is arranged in the center of the upper surface of the bottom plate, sliding grooves for mounting the pressing blocks are uniformly formed in the upper surface of the bottom plate, the sliding grooves are radially distributed, the annular air bags are arranged outside the pressing blocks, and the annular air bags and the bottom plate are coaxially arranged; the lower part of the pressing block is provided with a dovetail guide rail matched with the sliding groove; arc bulges are arranged on two sides of one surface of the pressing block, which is in contact with the abrasive block; the arc bulge is an elastic body.
2. A superhard material grinding wheel abrasive brick and substrate consolidation method according to claim 1, comprising the steps of:
A. basic positioning, namely cleaning a grinding wheel matrix, placing the grinding wheel matrix on a bottom plate, and positioning the grinding wheel matrix by matching a center hole of the grinding wheel matrix with a boss in the middle of the bottom plate;
B. coating an adhesive: uniformly coating the liquid adhesive on the outer circumference of the grinding wheel base body;
C. bonding and positioning the abrasive material blocks: sequentially attaching the abrasive block to the outer circumference of the grinding wheel matrix coated with the adhesive, sequentially abutting the sliding block on the outer circular arc of the abrasive block, placing the annular air bag on the outer circumference of the sliding block and inflating the annular air bag to increase the pressing force of the sliding block on the abrasive block to a set value;
D. after the operations are finished, the adhesive can be subjected to subsequent curing treatment, and the bonding of the grinding wheel matrix and the grinding material block is finished.
CN201710213667.3A 2017-04-01 2017-04-01 Device and method for bonding superhard material grinding wheel abrasive block and substrate Active CN106863159B (en)

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CN113291094B (en) * 2021-06-09 2023-02-03 中国科学院长春应用化学研究所 Spoke and rim fixing device for jointing non-pneumatic tire

Citations (2)

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Publication number Priority date Publication date Assignee Title
CH309275A (en) * 1953-02-10 1955-08-31 Boart Products South Africa Li A method of making abrasive tools and an abrasive tool made by this process.
CN202137655U (en) * 2011-05-27 2012-02-08 特耐斯（镇江）电碳有限公司 Carbon brush two-sided grinding device

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US5769700A (en) * 1996-09-10 1998-06-23 Norton Company Grinding wheel
US7520800B2 (en) * 2003-04-16 2009-04-21 Duescher Wayne O Raised island abrasive, lapping apparatus and method of use
JP3502843B2 (en) * 2001-03-09 2004-03-02 株式会社ノリタケカンパニーリミテド Whetstone bonding method and whetstone manufacturing method
US7044989B2 (en) * 2002-07-26 2006-05-16 3M Innovative Properties Company Abrasive product, method of making and using the same, and apparatus for making the same
TWI511841B (en) * 2013-03-15 2015-12-11 Kinik Co Stick-type chemical mechanical polishing conditioner and manufacturing method thereof
CN103586784B (en) * 2013-11-08 2015-11-18 南京航空航天大学 A kind of superhigh speed grinding composite emery wheel
CN103949989B (en) * 2014-05-05 2016-06-01 郑州磨料磨具磨削研究所有限公司 A kind of extra hard material grinding wheel abrasive material block and matrix consolidation device and method
US9707529B2 (en) * 2014-12-23 2017-07-18 Saint-Gobain Ceramics & Plastics, Inc. Composite shaped abrasive particles and method of forming same
CN105598833A (en) * 2015-12-31 2016-05-25 厉志安 Novel disc type flexible grinding wheel machining tool

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH309275A (en) * 1953-02-10 1955-08-31 Boart Products South Africa Li A method of making abrasive tools and an abrasive tool made by this process.
CN202137655U (en) * 2011-05-27 2012-02-08 特耐斯（镇江）电碳有限公司 Carbon brush two-sided grinding device

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