KR101868826B1 - Grinding Wheel Grinding Flange Holder - Google Patents

Grinding Wheel Grinding Flange Holder Download PDF

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Publication number
KR101868826B1
KR101868826B1 KR1020170059689A KR20170059689A KR101868826B1 KR 101868826 B1 KR101868826 B1 KR 101868826B1 KR 1020170059689 A KR1020170059689 A KR 1020170059689A KR 20170059689 A KR20170059689 A KR 20170059689A KR 101868826 B1 KR101868826 B1 KR 101868826B1
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KR
South Korea
Prior art keywords
fixing
flange
fastening
hole
plate
Prior art date
Application number
KR1020170059689A
Other languages
Korean (ko)
Inventor
곽정수
Original Assignee
곽정수
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Publication date
Application filed by 곽정수 filed Critical 곽정수
Priority to KR1020170059689A priority Critical patent/KR101868826B1/en
Application granted granted Critical
Publication of KR101868826B1 publication Critical patent/KR101868826B1/en

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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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/022—Spindle-locking devices, e.g. for mounting or removing the tool
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The present invention relates to a grindstone fixing flange holder for a grinding machine, and more particularly to a grindstone fixing flange holder for grinding a grindstone in a state in which a flange is firmly fixed by a holder, The present invention relates to a grindstone fixing flange holder for forming grinding,
A fixing part having a fixing plate having a through hole so that the fixing screw can be screwed and fixed to the fixing hole of the fixing frame in a state where the fixing screw is passed through the fixing frame; And a fastening plate having a through hole through which a fastening screw passes, at an edge other than one of the corners, so that the fastening plate can be engaged with and fixed to the fastening plate in a state in which the fastening plate is mounted on the upper surface of the fastening plate, A throttling portion having an insertion port for inserting a fixing flange of a flange and having an elongated piece on one side surface of a fastening plate of the surface on which the through hole is not formed and an opening portion communicating with the insertion port at an intermediate point of the elongating piece; And a fastening member which is fastened in a state of passing through the through hole provided in the extended piece and presses the extended piece so as to adjust the inner diameter of the insertion hole, wherein the fastening plate has an insertion groove at the inner periphery of the insertion hole, And a rubber ring for tightly fixing the outer periphery of the fixing flange in the recessed groove.

Description

[0001] The present invention relates to a grinding wheel grinding flange holder,

The present invention relates to a grindstone fixing flange holder for a grinding machine, and more particularly to a grindstone fixing flange holder for grinding a grindstone in a state in which a flange is firmly fixed by a holder, To a grinding wheel fixing flange holder for shaping and grinding.

1, the grinding wheel 10 includes a flange 20, that is, a protrusion 21 protruding from the center of one side of the fixed flange 21, as shown in FIG. 1, The fastening flange 23 is screwed to the spiral shaft 22 through which the grindstone passes so that the grindstone 10 is inserted into the fastening flange 21 in a state where the spiral shaft 22 penetrates, The flange 20 is fixed to the grinder (not shown) while the grindstone 10 positioned between the flange 20 is firmly fixed to rotate the flange 20 due to the operation of the grinder The workpiece is polished by the rotation of the grindstone 10 fixed to the flange.

As described above, the grinding wheel 10 wears during the grinding process of the workpiece. When the grinding wheel 10 is used for a certain period of time, the grinding wheel 10 is separated from the grinding machine 20 The fastening flange 23 fastened to the spiral shaft 22 of the fixing flange 21 is loosened to discard the used grinding wheel 10 and the new grinding wheel is passed through the spiral shaft 22 again So that both sides of the grinding wheel are firmly fixed to the grinding wheel by the holding force of the fixing flange and the fastening flange, and then the flange is fastened and fixed to the grinding machine. .

However, in order to replace the used grinding wheel as described above, the flange, that is, the fastening flange fastened to the spiral shaft provided on the fastening flange must be loosened. The fastening flange fastened to the spiral shaft is loosened during the grinding process. The spiral shaft and the fastening flange are formed in a direction opposite to the rotating direction of the grinding wheel so that the spiral shaft and the fastening flange are firmly fastened during use. When the operator attempts to loosen the fastening flange fastened to the axis or the axis to release it, the fastening flange, which is firmly and spirally fastened in a state where the flange is not fixed, Since it is difficult to loosen the shaft from the shaft, In order to solve this problem easily, one side of the flange is loosened while shocks are applied to the floor or the work table. Therefore, there is a lot of difficulty in releasing the flange. Especially, when the flange is impacted on the floor or work table, The flange can not be used in case of severe damage, and thus there is an economical problem that a new flange must be purchased and used.

Accordingly, it is an object of the present invention to provide a flange for holding a grindstone so that it can be firmly and stably held so that the flange can be easily released or screwed and fixed without damaging the flange.

In order to achieve the above object, the present invention provides a fixing device comprising: a fixing part having a fixing plate mounted on a fixing frame and having a through hole so that the fixing screw can be screwed and fixed to the fixing hole of the fixing frame;

And a fastening plate having a through hole through which a fastening screw passes, at an edge other than one of the corners, so that the fastening plate can be engaged with and fixed to the fastening plate in a state in which the fastening plate is mounted on the upper surface of the fastening plate, A throttling portion having an insertion port for inserting a fixing flange of a flange and having an elongated piece on one side surface of a fastening plate of the surface on which the through hole is not formed and an opening portion communicating with the insertion port at an intermediate point of the elongating piece;

And a fastening portion which is fastened through the through hole provided in the extending piece and presses the extended piece to adjust the inner diameter of the insertion hole,

delete

And a rubber ring is provided which is provided with a concave groove at an inner periphery of the insertion port provided in the tightening plate and tightly fixes the outer circumference of the fixing flange in the concave groove.

In the present invention, when the used grindstone is separated from the flange and replaced with a new grindstone, the fastening flange constituting the flange is simply and firmly fixed, and the fastening flange is used with a working tool such as a stanchion So that the work of the operator can be performed and the flange can be loosened or reattached without any damage to the flange.

Fig. 1 is a schematic view of a flange for fixing a grinding wheel. Fig.
2 is an exploded perspective view showing a configuration of the present invention;
3 is a plan view showing a configuration of the present invention.
4 is a sectional view taken along the line AA in Fig.
5 is a plan view showing the use state of the present invention,
5A is a state before the flange is inserted into the holder of the present invention.
Fig. 5b is a state in which the flange is inserted and fixed in the holder of the flange.
6 is a sectional view showing a state in which a flange is inserted and fixed in a holder according to the present invention;
7 is a sectional view showing another embodiment of the present invention.

Hereinafter, the configuration of an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is an exploded perspective view showing a configuration of a flange fixing holder according to the present invention. FIG. 3 is an assembled cross-sectional view of a flange fixing holder according to the present invention. The flange fixing holder 100 according to the present invention includes a fixing part 200, And a tightening part 300 fixedly coupled to the upper surface of the fixing part to hold the flange 400 securely.

The fixing part 200 has a fixing plate 210 mounted on the fixing frame 1 so that the fixing screw 2 passes through the fixing plate at an intermediate point of the fixing plate so as to be screwed into the fixing part 1a provided in the fixing frame. And a fastening hole 230 is formed at each corner of the fixing plate so as to be screwed by the fastening screw 300 and the fastening screw 2,

At this time, the fastener 230 is formed only at three places except one of the corners of the fixing plate. This allows the one side edge of the fastening plate to be freely flowable to be described later, and fastening the fastening screw I do not give it.

The fixing plate 210 is provided with an auxiliary fixing pin 240 for fixing the auxiliary fixing pin 3 therein.

The throttle unit 300 is provided with a throttle plate 310 of the same size so as to be placed on the upper surface of the throttle plate 210. The throttle plate 300 is fixed to the fixed plate at three corners and proper positions except for one corner, The through holes 320 and the auxiliary fixing pin holes 330 are provided on the same line as the fastening tool 230 and the auxiliary fixing pin holes 240. The flange 500 is fixed at the intermediate point of the fastening plate. Since the opening 350 is provided at the midway point of one side of the clamping plate 310 so as to be opened to communicate with the insertion port 340, So that the fastening plate of the portion having no through hole provided at each corner of the fastening plate 310 can be caused to flow by the opening 350 communicating with the insertion port 340.

At this time, the insertion port 340 may be the same as the outer circumference of the fixing flange 510 constituting the flange 500, or may have an inner diameter such that the outer circumference of the fixing flange is loosely in contact with the surface.

An extension piece 360 integrally extending from an outer surface of the clamping plate 310 serving as both end portions of the opening 350 is provided and the extension piece is provided with a through hole 370, So that the inner diameter of the insertion port 340 is caught by the fastening force of the fastening portion so that the outer circumferential edge of the fastening flange located at the inner circumferential edge of the insertion port can be tightly fixed tightly.

At this time, a semicircular recessed groove portion 380 which is recessed inward is formed at the inner peripheral edge of the insertion port 340, the inner peripheral edge of the insertion port 340 is reduced by the tightening force of the fastening hole 400, The end edge portion of the semicircular recessed groove portion 380 provided at the inner peripheral edge of the insertion port 340 catches the outer peripheral surface of the fixed flange 510 and is positioned at the insertion port 340 Even if an external force is applied to the circular fixing flange 510 having a circular shape, it is not arbitrarily rotated by the slip.

The fastener 400 is provided with a screw shaft 410 passing through a through hole 370 formed in the elongated piece 360 and has a nut 420 fastened to one side of the screw shaft, And an eccentric pressing portion 430 pivoted about the axis pin is provided on the side of the insertion flange 510. The fixing flange 510 located in the insertion portion is formed in such a manner that the extending portion 360 is pressed in accordance with the pressing direction of the eccentric pressing portion, So that the outer periphery of the base plate can be tightly fixed.

The flange fastening holder 100 of the present invention having the above-described structure is used in a state where it is fixed in a place where a worker can conveniently handle and use it in a workplace.

More specifically, the fixing plate 210 constituting the flange fixing holder 100 is fixed to the fixing frame 1.

That is, in the state where the fixing plate 210 is positioned on the fixing frame 1, the fixing screw 1a is provided in the fixing frame 1 in such a state that the fixing screw 2 passes through the through- So that the fixing plate 210 is securely fastened and fixed.

In this state, the tightening plate 310 is placed on the upper surface of the fixing plate 210, and the fastening screw 2 is passed through the through holes 320 provided on the respective corners of the fastening plate 310, The fastening plate 310 is engaged with the fastening plate 230 of the fastening plate 210 located on the fastening plate 210,

At this time, a through hole is not formed at one corner of each corner of the tightening plate 310, so that one side edge portion where the tightening screw does not penetrate is in a state where no fixing force is applied (refer to FIG. 5A).

When the flange 500, that is, the fixing flange 510 and the fastening flange 530 are separated from each other using the flange fixing holder 100 in such a state to replace the grinding wheel 600 positioned therebetween The fixing flange 510 constituting the flange 500 is inserted into the insertion hole 340 provided at the center of the clamping plate 310 as shown in FIGS. 5B and 6.

In this state, when the eccentric pressing portion 430 of the coupling portion 400 is rotated in the direction of FIG. 5B, a force for pulling the helical axis 410 by the eccentric surface of the eccentric pressing portion is generated. One side of the surface provided with the elongated piece 360 among the corners of the fastening plate 310 is not fastened and fixed by the fastening screw 2 so that the fastening plate 360 is rotated by the elongated piece 360 in accordance with the rotation of the eccentric pressing portion. The inner diameter of the insertion port 340 is reduced and the outer circumferential edge of the inserted fixing flange 510 is tightly held.

In such a state, the fastening flange 530 may be loosened by using a tool such as a stove or the like.

When the fixing flange 510 is inserted and fixed in the insertion port 340 as described above, the fastening flange is loosely rotated in the spiral direction. When the fastening state of the spiral is firm and the strong force is applied, The outer peripheral surface of the fixing flange 510 may be sloped due to the inner peripheral surface of the fixing flange 510. In this case, And will be released in the absence of jungle.

In this state, when the fastening flange 530 is loosened, the grinding wheel 600 in a state in which the spiral shaft 520 penetrates is removed, and then the new grinding wheel is positioned so that the fastening flange 530 is fixed to the spiral shaft 520 ) In a state in which they are fastened to each other.

7, a concave groove 341 is formed at the inner peripheral edge of the insertion hole 340 and is fitted in the concave groove to hold the outer circumference of the fixing flange 341 A rubber ring 390 for preventing slippage can be provided.

At this time, it is preferable that the rubber ring 390 is also formed with an opening for cutting one side.

The rubber ring 390 provided at the inner periphery of the insertion port 340 maintains a state in which the outer circumference of the fixing flange 510 is tightly fixed to the inner circumference of the fixing flange 510. Thus, Will not arbitrarily slip.

200: fixing part 210: fixing plate
220: through hole 230: fastener
240: auxiliary fixing pin 300:
310: tightening plate 320: through hole
330: auxiliary fixing pin hole 340: insertion hole
350: opening 360: extension
370: through hole 400: fastening portion
410: helical axis 420: nut
430: eccentric pressing portion

Claims (3)

And a fixing portion 210 having a fixing plate 210 having a through hole 220 so as to be screwed and fixed to the fixing hole 1a of the fixing frame 1 in a state in which the fixing screw 2 is passed through the fixing frame 1 200);
(320) through which the fastening screw (2) penetrates, except for one of the corners, so that the fastening screw can be engaged with and fixed to the fastening plate in a state of being mounted on the upper surface of the fastening plate (210) And an insertion hole (340) for inserting a fixing flange of a flange into the center of the fastening plate. An extension piece (360) is provided on one side of the fastening plate of the surface on which the through hole is not formed, A throat portion 300 formed at an intermediate point of the elongated piece and having an opening 350 communicating with the insertion port 340;
And a fastening part (400) fastened through the through hole (370) provided in the extended piece to press the extended piece (360) to adjust the inner diameter of the insertion hole (340)
A rubber ring 390 provided with an insertion groove 341 at an inner periphery of an insertion port 340 provided in the tightening plate 310 and capable of tightly tightly fixing the outer circumference of the fixing flange in the fitting groove, Wherein the grinding wheel is fixed to the grinding wheel. delete delete
KR1020170059689A 2017-05-15 2017-05-15 Grinding Wheel Grinding Flange Holder KR101868826B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020170059689A KR101868826B1 (en) 2017-05-15 2017-05-15 Grinding Wheel Grinding Flange Holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020170059689A KR101868826B1 (en) 2017-05-15 2017-05-15 Grinding Wheel Grinding Flange Holder

Publications (1)

Publication Number Publication Date
KR101868826B1 true KR101868826B1 (en) 2018-06-19

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Application Number Title Priority Date Filing Date
KR1020170059689A KR101868826B1 (en) 2017-05-15 2017-05-15 Grinding Wheel Grinding Flange Holder

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114714159A (en) * 2022-04-19 2022-07-08 中国航发动力股份有限公司 Flanging height grinding clamp and method for thin-wall flanging part

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0578465U (en) * 1992-03-31 1993-10-26 豊田工機株式会社 Grindstone holding device
JP2578696Y2 (en) * 1993-02-26 1998-08-13 晃 室星 Removable structure of rotating whetstone
JP2001138248A (en) * 1999-11-10 2001-05-22 Shigeru Umemoto Fixing structure of grinding wheel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0578465U (en) * 1992-03-31 1993-10-26 豊田工機株式会社 Grindstone holding device
JP2578696Y2 (en) * 1993-02-26 1998-08-13 晃 室星 Removable structure of rotating whetstone
JP2001138248A (en) * 1999-11-10 2001-05-22 Shigeru Umemoto Fixing structure of grinding wheel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114714159A (en) * 2022-04-19 2022-07-08 中国航发动力股份有限公司 Flanging height grinding clamp and method for thin-wall flanging part

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