IE47966B1 - Button sharpening tool - Google Patents

Button sharpening tool

Info

Publication number
IE47966B1
IE47966B1 IE2289/78A IE228978A IE47966B1 IE 47966 B1 IE47966 B1 IE 47966B1 IE 2289/78 A IE2289/78 A IE 2289/78A IE 228978 A IE228978 A IE 228978A IE 47966 B1 IE47966 B1 IE 47966B1
Authority
IE
Ireland
Prior art keywords
grinding wheel
button
tool
shank
wheel
Prior art date
Application number
IE2289/78A
Other versions
IE782289L (en
Original Assignee
Boart Int 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
Publication date
Application filed by Boart Int Ltd filed Critical Boart Int Ltd
Publication of IE782289L publication Critical patent/IE782289L/en
Publication of IE47966B1 publication Critical patent/IE47966B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/002—Grinding heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • B23Q1/0018—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means
    • B23Q1/0027—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means between moving parts between which an uninterrupted energy-transfer connection is maintained
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
    • B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
    • B23Q1/5406—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only a single rotating pair followed perpendicularly by a single rotating pair
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/06—Driving main working members rotary shafts, e.g. working-spindles driven essentially by fluid pressure or pneumatic power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/33—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of drills for stone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/02—Wheels in one piece

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

A button sharpening tool for grinding buttons, for example on button bits, comprising a concavely peripherally profiled grinding wheel 9. The wheel 9 is rotated by matched motors 11 to either side of it and the assembly of wheel 9 and rotation motors 11 is carried by a clevice 12. The shank 14 of the clevice 12 is chucked to a machine such as a rotary drilling machine.

Description

This invention relates to the sharpening of buttons such as are found, for example, on button bits and the like.
If the buttons on a bit wear, one could replace the bit and sand the original to a repair shop some distance away. On the other hand one could resurface the buttons on site. For the latter purpose it has been proposed to utilize cup-shaped grinding tools which are complemental to the shape of the buttons after resharpening. These have not been highly successful as the cups normally only had a single layer of diamonds.
According to the present invention there is provided a button sharpening tool, comprising a peripherally profiled grinding wheel with an annular concavity, a body on which the grinding wheel is journalled, a motor carried by the body and arranged to rotate the grinding wheel, and means to rotate the body about an axis at right angles to the axis of rotation of the grinding wheel.
In the preferred form of the invention there are two motors of the same kind and rating with a grinding wheel between them so as to achieve balance around the axis at right angles. Balance could, of course, also be achieved by means of a suitable counterweight.
For a better understanding of the present invention, and to show how it may be carried into effect, reference will now be made, by way of example only, to the accompanying drawing which shows a section through a button sharpening device.
As shown in the drawing, a concavely peripherally profiled grinding wheel 9 is mounted on a shaft which project to either side of the wheel 9. The shaft 10 is fast with the. rotors of two air motors 11 mounted to either side of the wheel 9.,, nas two spaced legs 20 and The motors are carried by a body 12 which/forms a narrow neck 13 ending in a shank 14. The neck 13 enters a collar 15 and is sealed by means of suitable 0-rings. lhe collar 15 has two inlets 16 and 17 for carrying air and coolant respectively. The inlet 16 leads to a passage 18 which forks and leads to the air inlets of the motors 11. The inlet 17 leads to a suitably placed outlet 19 next to the wheel 9.
In use the shank 14 is chucked to a suitable machine for causing it to rotate, e.g. a rotary drill chuck. Air and coolant are connected and, with the assembly rotating, the wheel 9 is placed against a button which is redressed on all faces simultaneously.
If necessary the coolant could be replaced by an electrolyte and the body or the wheel connected to one side of a DC current supply and the bit to be sharpened to the other side to render the bit an anode. 479 6 6

Claims (5)

1. CLAIMS:1. A button sharpening tool, comprising a peripherally profiled grinding wheel with an annular concavity, a body on which the grinding wheel is journalled, a motor 5 carried by the body and arranged to rotate the grinding wheel, and means to rotate the body about an axis at right angles to the axis of rotation of the grinding wheel.
2. A tool as claimed in Claim 1, wherein two motors of the same kind and rating are carried by the body, with 10 the grinding wheel disposed between them.
3. A tool as claimed in Claim 1 or Claim 2, wherein the body has a shank adapted to fit the chuck of a rotary driving mechanism, and two spaced legs between which the grinding wheel is mounted. 15
4. A tool as claimed in Claim □, wherein the shank is surrounded by a collar, the shank being rotatable relative to the collar, and a passage for a coolant is provided leading from the outside of the collar to an opening between the legs of the body. 20
5. A button sharpening tool substantially as herein described with reference to the accompanying drawing. F. li. KELLY δ CO. AGENTS FOR THE APPLICANTS. BOART INTERNATIONAL LIMITED
IE2289/78A 1977-12-05 1978-11-21 Button sharpening tool IE47966B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00777206A ZA777206B (en) 1977-12-05 1977-12-05 Button grinding

Publications (2)

Publication Number Publication Date
IE782289L IE782289L (en) 1979-06-05
IE47966B1 true IE47966B1 (en) 1984-08-08

Family

ID=25572340

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2289/78A IE47966B1 (en) 1977-12-05 1978-11-21 Button sharpening tool

Country Status (5)

Country Link
AU (1) AU516263B2 (en)
CA (1) CA1095251A (en)
GB (1) GB2008997B (en)
IE (1) IE47966B1 (en)
ZA (1) ZA777206B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4858388A (en) * 1986-07-25 1989-08-22 Bice Keith C Restoration or drill buttons
EP0397955B1 (en) * 1989-05-19 1994-09-07 Uniroc Grinding Aktiebolag An abrasive wheel
SE463754B (en) * 1989-05-24 1991-01-21 Inovac Ab DEVICE FOR HANDHALLEN GRINDING MACHINE FOR GRIPPING CUTTER DRILLS
SE9201835L (en) * 1992-06-15 1993-10-18 Uniroc Grinding Ab Vibration dampening grinding cup for grinding cemented carbide pins of pin drill bits and holders for such grinding cup
SE501695C2 (en) * 1993-06-22 1995-04-24 Sandvik Ab Method of supplying coolant to an abrasive cup as well as abrasive cup to perform the process
SE503183C2 (en) * 1993-12-14 1996-04-15 Sandvik Ab Method and apparatus for grinding pins of a rock drill bit and spool head to apply flushing medium in the grinding of the pins of such rock drill bit
SE0700991L (en) * 2007-04-25 2008-10-26 Atlas Copco Secoroc Ab Method and apparatus for grinding pin drill bits, as well as grinding wheel for carrying out the method

Also Published As

Publication number Publication date
AU4200578A (en) 1979-06-14
IE782289L (en) 1979-06-05
GB2008997A (en) 1979-06-13
ZA777206B (en) 1979-05-30
CA1095251A (en) 1981-02-10
AU516263B2 (en) 1981-05-28
GB2008997B (en) 1982-01-13

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