CN109465716A - Manual grinder - Google Patents
Manual grinder Download PDFInfo
- Publication number
- CN109465716A CN109465716A CN201711360263.3A CN201711360263A CN109465716A CN 109465716 A CN109465716 A CN 109465716A CN 201711360263 A CN201711360263 A CN 201711360263A CN 109465716 A CN109465716 A CN 109465716A
- Authority
- CN
- China
- Prior art keywords
- retainer
- rotary shaft
- disk
- elastomer
- embedded
- 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.)
- Pending
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
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A kind of Manual grinder, comprising: grinder main body is rotated by electricity or air, is provided in side front end in the prominent rotary body for being formed with rotary shaft of central part；Fixed retainer, with cylindrical central sleeve and flange, cylindrical central sleeve is screwed to rotary shaft, and flange is separated by extension along radial direction from cylindrical central sleeve, and it is formed with engaging groove in the side of each flange, it is formed with the spatial portion of the axis direction opening along cylindrical central sleeve between the flanges；Disk retainer has the prominent engagement projections for being formed in inner peripheral surface, is engaged to engaging groove with insertion space portion；Abrasive disk is integrated to the outer peripheral surface of disk retainer；And elastic element, it is embedded into rotary shaft in the mode being located between rotary body and fixed retainer and flexibly supports disk retainer, elastic element has elastomer and fixing ring, elastomer is embedded into rotary shaft, and one end supports to rotary body, fixing ring is embedded into rotary shaft in such a way that bottom surfaces support to the other end of elastomer and flexibly supports disk retainer.
Description
Technical field
The present invention relates to the Manual grinders that one kind can rapidly and easily replace abrasive disk.
Background technique
In general, processing insufficient part or coarse after the time processing of shipbuilding and various industrial parts
Surface need to carry out secondary operation, or need to carry out secondary operation before executing coating.In heavy parts or require pinpoint accuracy
In the case of, using making grinding stone high speed rotation and the accurately grinder of grinding object object, or small-sized or do not require pinpoint accuracy
Part in the case where, it is main using lighter in weight and Manual grinder easy to use executes the surface of workpiece and grinds
Operation is ground, so that its is smooth and be easy to tint.
This Manual grinder is to make rotary shaft by electric drive or by the air pressure that the operating of compressor generates
While high speed motion, polishing or polish and being mounted on the surface of abrasive disk attrition process object of the rotary shaft adds
The insufficient part of work, corner angle etc. carry out finishing operation.
As follows using previous Manual grinder as described above: being ground abrasive disk insertion is fixed to setting
After the rotary shaft of grinding machine main body, nut is fastened to the threaded shank of a part for being formed in rotary shaft and fixes abrasive disk.
However, previous Manual grinder as described above is formed in rotation unscrewing to be fastened on when replacing abrasive disk
After the nut of the threaded shank of axis, abrasive disk is separated from rotary shaft, abrasive disk insertion is sequentially fixed to rotary shaft again, later will
Nut is fastened to the threaded shank for being formed in rotary shaft, therefore has that replacement abrasive disk needs the more time and operating efficiency is lower
The problem of.
[existing technical literature]
[patent document]
KR published patent the 10-2011-0023596th (2011.03.08)
Summary of the invention
[the invention project to be solved]
The present invention is as described above to solve the problems, such as, its purpose is to provide one kind can simply and quickly load and unload installation
To the abrasive disk for the rotary shaft that grinder main body is arranged in, so that the Manual grinder of operating efficiency can be improved.
[means to solve the problem]
Manual grinder of the invention to reach above-mentioned purpose includes: grinder main body, is revolved by electricity or air
Turn, is provided in side front end in the prominent rotary body for being formed with rotary shaft of central part；Fixed retainer, have cylindrical central sleeve with
Flange, the cylindrical central sleeve are screwed to rotary shaft, the flange be separated by from cylindrical central sleeve along radial direction extend it is multiple, and each
The side of flange is formed with engaging groove, and the spatial portion of the axis direction opening along cylindrical central sleeve is formed between multiple flanges；
Disk retainer, has engagement projections, and the engagement projections protrusion is formed in inner peripheral surface, is engaged to be inserted into spatial portion
Engaging groove；Abrasive disk is integrated to the outer peripheral surface of disk retainer；And elastic element, to be located at rotary body and fixed retainer
Between mode be embedded into rotary shaft and flexibly support disk retainer；And elastic element has elastomer and fixing ring, it is described
Elastomer is embedded into rotary shaft, and one end supports to rotary body, and the fixing ring supports to the other end of elastomer with bottom surfaces
Mode be embedded into rotary shaft and flexibly support disk retainer.
Herein, the one end of elastomer and inserting for the other end preferably are inserted into prominent formed of rotary body and fixing ring
Enter portion.Elastomer can be installed as a result, and stably keep its position.
In addition, ball plunger is arranged in the medial surface in engaging groove, formed in the lateral surface of engagement projections for ball plunger
The embedded groove of end insertion, thus disk retainer Elastic Meshing can keep tying in a manner of departing to fixed retainer
Conjunction state.
[The effect of invention]
According to the embodiment with above-mentioned composition, the rotation for being installed to and grinder main body being set can be simply and quickly loaded and unloaded
The abrasive disk of shaft, to have the effect of that operating efficiency can be improved.
Detailed description of the invention
Figure 1A is the exploded perspective view of the Manual grinder of the embodiment of the present invention.
Figure 1B is the perspective view that retainer is fixed in Figure 1A.
Fig. 2A is the drawing in side sectional elevation of fixed retainer shown in figure 1A.
Fig. 2 B is the partial enlarged view that retainer is fixed shown in Fig. 2A.
Fig. 3 A, Fig. 3 B and Fig. 3 C are the uses for indicating the cohesive process of fixed retainer shown in figure 1A and disk retainer
State diagram.
Drawing reference numeral explanation
110: grinder main body
112: rotary body
112a, 154a: insertion section
114: rotary shaft
114a: threaded shank
116: safe the cover
120: fixed retainer
122: cylindrical central sleeve
124: flange
126: engaging groove
128: spatial portion
130: disk retainer
132: engagement projections
134: embedded groove
140: abrasive disk
150: elastic element
152: elastomer
154: fixing ring
160: ball plunger
162: shell
162a: receiving portion
164: steel ball
166: spring
Specific embodiment
Hereinafter, being specifically illustrated to the Manual grinder of the embodiment of the present invention referring to attached drawing.
Figure 1A is the exploded perspective view of the Manual grinder of the embodiment of the present invention, and Figure 1B is that retainer is fixed in Figure 1A
Perspective view, Fig. 2A are the drawings in side sectional elevation of fixed retainer shown in figure 1A, and Fig. 2 B is the part that retainer is fixed shown in Fig. 2A
Enlarged drawing, Fig. 3 A, Fig. 3 B and Fig. 3 C are the uses for indicating the cohesive process of fixed retainer shown in figure 1A and disk retainer
State diagram.
Referring to above-mentioned attached drawing, the Manual grinder of the embodiment of the present invention includes grinder main body 110, fixed retainer
120, disk retainer 130, abrasive disk 140 and elastic element 150.
Grinder main body 110 is arranged in side front end to be rotated by electricity or air, is formed with rotation in central part protrusion
The rotary body 112 of axis 114.Axis direction along rotary shaft 114 forms threaded shank 114a in a part of region of outer peripheral surface.
In addition, the outer peripheral surface in the side front end of grinder main body 110 combines spark when preventing in operation to be splashed to operation
The safe the cover 116 of personnel.
Fixed retainer 120 is integrated to the threaded shank 114a for being formed in rotary shaft 114 and fixed disc retainer 130.Gu
Determine retainer 120 and include cylindrical central sleeve 122, is screwed to the threaded shank 114a for being formed in rotary shaft 114；Flange 124, from center
Sleeve 122 along radial direction be separated by extend it is multiple, be formed with engaging groove 126 in the side of each flange.Between multiple flanges 124
Form the spatial portion 128 being open along the axis direction of cylindrical central sleeve 122.
In addition, the medial surface in engaging groove 126 is provided with ball plunger 160, what the ball plunger 160 was described below
When the engagement projections 132 of disk retainer 130 are inserted into engaging groove 126, pressurize to the lateral surface of engagement projections 132.
The medial surface of engaging groove 126, the shell including being formed with receiving portion 162a in inside are arrived in the setting of ball plunger 160
162, setting to the end of shell 162 steel ball 164, be arranged to the inside of receiving portion 162a and flexibly support the bullet of steel ball 164
Spring 166.At this point, steel ball 164 skids off along the tangential direction of rotary shaft 114 and to the engagement projections 132 for being inserted into engaging groove 126
Lateral surface pressurizes.
However, although not shown, but can also the medial surface of engaging groove 126 formed can lateral surface to engagement projections 132 into
The pressurization protrusion of row pressurization, it's not limited to that.
Disk retainer 130 is detachably integrated to fixed retainer 120.In this disk retainer 130
Inner peripheral surface forms engagement projections 132, and the engagement projections 132 are inserted between the flange 124 for being formed in fixed retainer 120
Spatial portion 128 and be engaged to engaging groove 126.Hereinafter described abrasive disk 140 is combined in the outer peripheral surface of disk retainer 130.
In addition, the lateral surface in engagement projections 132 forms embedded groove 134, the embedded groove 134 is inserted in engagement projections 132
When entering to engaging groove 126, the steel ball 164 of the ball plunger 160 of the medial surface for engaging groove 126 is arranged in is embedded in.
Moreover, engaging groove 126 is formed in such a way that its width is gradually increased along the radial direction of cylindrical central sleeve 122, engagement
Protrusion 132 is formed in such a way that the center of its width towards disk retainer 130 is gradually reduced.Such case has the effect that
By the intermeshing fixed retainer 120 of engaging groove 126 and engagement projections 132 with disk retainer 130 together with rotation
Axis 114 together high speed rotation when, prevent engagement projections 132 because towards far from rotary shaft 114 center the increased centrifugal force in direction
And it is damaged.
Abrasive disk 140 is embedded in forming in forming disc retainer 130 and is integrally constituted with disk retainer 130.It grinds
Mill 140 is as the consumables for carrying out waste treatment in the case where end-of-life due to long-time service, with disk retainer 130
Waste treatment is carried out together.Herein, abrasive disk 140 can be used and be attached with diamond dust (steel sand, diamond spar, garnet etc.) or glass powder
The common grinding disk at end, can be ground according to corresponding object, cut, cut.
Elastic element 150, which flexibly supports, is incorporated in the disk retainer 130 of fixed retainer 120, including elastomer 152 with
Hold ring 154.
152 pairs of fixing rings 154 of elastomer apply elastic force, so that fixing ring 154 is moved along the axis direction elasticity of rotary shaft 114
It is dynamic, it is embedded into and the rotary shaft 114 that the rotary body 112 of grinder main body 110 has is set, one end supports to rotary body
112.At this point, elastomer 152 uses helical spring.
Fixing ring 154 flexibly supports the disk retainer for being integrated to fixed retainer 120 by the elastic force of elastomer 152
130, rotary shaft 114 is embedded into such a way that bottom surfaces support to the other end of elastomer 152 and along the axis of rotary shaft 114
Direction resilient movement.
Herein, in rotary body 112 and fixing ring 154, prominent formed is inserted respectively into elastomer in a manner of opposed facing
152 one end and insertion section 112a, 154a of the other end, the position of the fixed elastomer 152 of described insertion section 112a, 154a
And apply fixed elastic force to the fixing ring 154 of the axis direction resilient movement along rotary shaft 114 always.
Hereinafter, being illustrated to the use for including the Manual grinder constituted as described above.
Firstly, will be elastic in such a way that the one end of elastomer 152 is inserted into the insertion section 112a for being formed in rotary body 112
Body 152 is embedded into rotary shaft 114, later to hold the bottom surfaces resilient support of ring 154 to the side of the other end of elastomer 152
Formula is embedded into rotary shaft 114 for ring 154 is held.At this point, the other end of elastomer 152, which is inserted into, is formed in fixing ring 154
The insertion section 154a of bottom surfaces.
Hereafter, the cylindrical central sleeve 122 of fixed retainer 120 is screwed to the threaded shank 114a of rotary shaft 114, so that fixed
Retainer 120 is integrated to rotary shaft 114.
After fixed retainer 120 is integrated to rotary shaft 114, operating personnel grasps disk retainer 130 using hand, later
The engagement projections 132 for being formed in the medial surface of disk retainer 130 are inserted into the flange 124 for being formed in fixed retainer 120
Between spatial portion 128.
In this case, if operating personnel along rotary shaft 114 axis direction to disk retainer 130 pressurize with
Make to hold ring 154 and be moved and compresses elastomeric 152 along the axis direction of rotary shaft 114, later along clockwise direction or counterclockwise
Direction rotating circular disk retainer 130 and so that engagement projections 132 is engaged to engaging groove 126, then disk retainer 130 is fastened to fixation
Retainer 120.At this point, disk retainer 130 is flexibly supported by fixing ring 154, so engaging groove 126 and it is engaged on engaging groove
The fastening force of 126 engagement projections 132 further increases.
In addition, disk retainer 130 is flexibly supported by fixing ring 154 by elastomer 152, so elastomer 152 can
It absorbs the vibration that generates in operation and will be minimized because being trembleed caused by the vibration that is generated when operation.
In contrast, in the case where the end-of-life of abrasive disk 140 is wanted to be replaced, if operating personnel is along rotation
The axis direction of shaft 114 pressurizes to disk retainer 130 so that the axis direction for holding ring 154 along rotary shaft 114 moves
Dynamic and compresses elastomeric 152 makes engagement projections 132 be disengaged from slot 126, revolves clockwise or counterclockwise later
Turn disk retainer 130 so that engagement projections 132 are located at the spatial portion being formed between the flange 124 of fixed retainer 120
128, then disk retainer 130 is easily separated from fixed retainer 120.
More than, the embodiment of the present invention is illustrated referring to attached drawing, but, it is to be appreciated that the art it is common
Technical staff can in not departing from appended claims in the range of documented technical idea of the invention, to the present invention into
The various amendments of row and change.
Claims (3)
1. a kind of Manual grinder characterized by comprising
Grinder main body is rotated by electricity or air, is provided in side front end and is formed with rotary shaft in central part protrusion
Rotary body；
Fixed retainer, has cylindrical central sleeve and a flange, and the cylindrical central sleeve is screwed to the rotary shaft, and the flange is from described
Cylindrical central sleeve is separated by along radial direction to be extended multiple, and engaging groove is formed in the side of each flange, multiple described convex
The spatial portion of the axis direction opening along the cylindrical central sleeve is formed between edge；
Disk retainer has engagement projections, and the engagement projections protrusion is formed in inner peripheral surface, to be inserted into the spatial portion
And it is engaged to the engaging groove；
Abrasive disk is integrated to the outer peripheral surface of the disk retainer；And
Elastic element, with the mode between the rotary body and the fixed retainer is embedded into the rotary shaft and it is elastic
The disk retainer is supported, and
The elastic element includes elastomer and fixing ring, and the elastomer is embedded into the rotary shaft, and one end supports to institute
Rotary body is stated, the fixing ring is embedded into the rotary shaft and bullet in such a way that bottom surfaces support to the other end of the elastomer
Property the support disk retainer.
2. Manual grinder according to claim 1, which is characterized in that
In the rotary body and the prominent insertion for forming the one end and the other end that are inserted into the elastomer of fixing ring
Portion.
3. Manual grinder according to claim 1, which is characterized in that
Ball plunger is set in the medial surface of the engaging groove, is formed in the lateral surface of the engagement projections and supplies the ball plunger
End insertion embedded groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170114352A KR20190027506A (en) | 2017-09-07 | 2017-09-07 | hand grinder |
| KR10-2017-0114352 | 2017-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109465716A true CN109465716A (en) | 2019-03-15 |
Family
ID=65658177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711360263.3A Pending CN109465716A (en) | 2017-09-07 | 2017-12-15 | Manual grinder |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20190027506A (en) |
| CN (1) | CN109465716A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008564A (en) * | 2019-05-29 | 2020-12-01 | 南京德朔实业有限公司 | Electric tool |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102052502B1 (en) * | 2019-02-22 | 2019-12-05 | 김기찬 | Grinding machine easy to replace disk |
| KR102171842B1 (en) * | 2019-03-04 | 2020-10-29 | 임영은 | A grinder clamp |
| KR102291638B1 (en) | 2020-02-03 | 2021-08-20 | 주식회사 티앤오 | Grinder holder for mounting polishing pad |
| KR102154954B1 (en) * | 2020-04-02 | 2020-09-10 | (주) 비티케이 | A One Touch Coupler for Grinder Wheek of Anti-shake |
| KR102390087B1 (en) * | 2020-04-07 | 2022-04-25 | 권정자 | Grinder wheel holder for hand grinder |
| KR102333972B1 (en) * | 2020-04-29 | 2021-12-01 | 박근식 | Torque transfer apparatus improved assembly |
| KR102540973B1 (en) | 2020-05-14 | 2023-06-12 | 채성덕 | Polishing pad and grinder holder for mounting it |
| KR200493410Y1 (en) * | 2020-05-27 | 2021-03-26 | 권순철 | Coupler structure for hand grinder |
| KR102178942B1 (en) * | 2020-07-21 | 2020-11-13 | (주) 비티케이 | A one touch Coupler and Stopper having for air Grinder |
| KR102528791B1 (en) * | 2021-01-26 | 2023-05-04 | 이혜원 | Coupler for hand grinder |
| KR102528792B1 (en) * | 2021-02-03 | 2023-05-03 | 이혜원 | Coupler for hand grinder |
| KR102528790B1 (en) * | 2021-03-16 | 2023-05-03 | 이혜원 | Coupler assembly for grinder |
| KR102528789B1 (en) * | 2021-03-19 | 2023-05-03 | 이혜원 | Coupler assembly for grinder |
| KR102636796B1 (en) * | 2022-02-08 | 2024-02-14 | 최윤석 | Grinder of disk fixture |
| KR102656272B1 (en) * | 2022-04-14 | 2024-04-08 | 이상문 | One-touch detachable Mounting disk type grinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4009876A1 (en) * | 1989-08-23 | 1991-02-28 | Bosch Gmbh Robert | HAND MACHINE TOOL WITH GRINDING PLATE |
| CN2517533Y (en) * | 2002-02-07 | 2002-10-23 | 正峰工业股份有限公司 | Buffer locked by output shaft |
| CN2609691Y (en) * | 2003-04-01 | 2004-04-07 | 台州市三鸥钻夹头制造有限公司 | Locking type drill chuck |
| CN202172770U (en) * | 2011-07-25 | 2012-03-28 | 美的集团有限公司 | Detachable cutter assembly |
| CN107107310A (en) * | 2014-11-25 | 2017-08-29 | E&Q 温塔曲公司 | The abrasive sheet attaching/detaching apparatus of hand sander |
| KR101773447B1 (en) * | 2017-01-16 | 2017-08-31 | 주식회사 이엔큐원터치 | Connecting method of polishing disk combined with hand grinder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110023596A (en) | 2009-08-31 | 2011-03-08 | 주식회사 디어포스 | Quick change abrasive disc and grinder assembly using the same |
-
2017
- 2017-09-07 KR KR1020170114352A patent/KR20190027506A/en active IP Right Grant
- 2017-12-15 CN CN201711360263.3A patent/CN109465716A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4009876A1 (en) * | 1989-08-23 | 1991-02-28 | Bosch Gmbh Robert | HAND MACHINE TOOL WITH GRINDING PLATE |
| CN2517533Y (en) * | 2002-02-07 | 2002-10-23 | 正峰工业股份有限公司 | Buffer locked by output shaft |
| CN2609691Y (en) * | 2003-04-01 | 2004-04-07 | 台州市三鸥钻夹头制造有限公司 | Locking type drill chuck |
| CN202172770U (en) * | 2011-07-25 | 2012-03-28 | 美的集团有限公司 | Detachable cutter assembly |
| CN107107310A (en) * | 2014-11-25 | 2017-08-29 | E&Q 温塔曲公司 | The abrasive sheet attaching/detaching apparatus of hand sander |
| KR101773447B1 (en) * | 2017-01-16 | 2017-08-31 | 주식회사 이엔큐원터치 | Connecting method of polishing disk combined with hand grinder |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008564A (en) * | 2019-05-29 | 2020-12-01 | 南京德朔实业有限公司 | Electric tool |
| CN112008567A (en) * | 2019-05-29 | 2020-12-01 | 南京德朔实业有限公司 | Electric tool |
| CN112008566A (en) * | 2019-05-29 | 2020-12-01 | 南京德朔实业有限公司 | Electric tool |
| WO2020238950A1 (en) * | 2019-05-29 | 2020-12-03 | 南京德朔实业有限公司 | Electric tool |
| CN112008566B (en) * | 2019-05-29 | 2024-01-19 | 南京泉峰科技有限公司 | Electric tool |
| CN112008564B (en) * | 2019-05-29 | 2024-01-19 | 南京泉峰科技有限公司 | Electric tool |
| CN112008567B (en) * | 2019-05-29 | 2024-04-26 | 南京泉峰科技有限公司 | Electric tool |
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| Publication number | Publication date |
|---|---|
| KR20190027506A (en) | 2019-03-15 |
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Application publication date: 20190315 |
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