CN104369109A - Grinder grinding wheel protection cover - Google Patents
Grinder grinding wheel protection cover Download PDFInfo
- Publication number
- CN104369109A CN104369109A CN201410751180.7A CN201410751180A CN104369109A CN 104369109 A CN104369109 A CN 104369109A CN 201410751180 A CN201410751180 A CN 201410751180A CN 104369109 A CN104369109 A CN 104369109A
- Authority
- CN
- China
- Prior art keywords
- shell
- inner casing
- grinding wheel
- protective cover
- grinding machine
- 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.)
- Granted
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/04—Protective covers for the grinding wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention discloses a grinder grinding wheel protection cover comprising housings and clamping devices. Each housing comprises an outer shell and an inner shell, the outer shell is fan-shaped,an arc edge at the position of the central angle of the outer shell is provided with an arc flange protruding to a cavity, the inner shell is fan-shaped and clamped in the outer shell, and an arc edge at the position of the central angle of the inner shell is in clearance fit with the arc flange of the shell. Each clamping device is mounted on the outer wall of the corresponding outer shell and located at the straight edge of the outer shell, and a plurality of clamping slots in arc distribution are arranged in the outer wall of each inner shell and matched with the corresponding clamping device. The degree that the inner shells retract into or extend out of the outer shells can be adjusted, and the positions of the inner shells relative to the outer shells are fixed through the clamping devices. The protective cover can be fixed on a rack of a grinder through a conventional connecting device; through the protective cover, when a grinding wheel cracks in operation, grinding wheel fragments can be effectively covered, and safety of operators is guaranteed.
Description
Technical field
The present invention relates to grinder structure technical field, in particular to a kind of grinding wheel protective cover of grinding machine.
Background technology
Generally known, the emery wheel of grinding machine is in the form of annular discs, and described discoid emery wheel operationally encloses and pivots.
In actual production, the emery wheel of grinding machine may break at work, its emery wheel fragment splashes, threatens the safety of operating personnel.
Summary of the invention
Technical problem solved by the invention: the grinder wheel broken at work, its emery wheel fragment splashes, threatens the safety of operating personnel.
The invention provides following technical scheme: a kind of grinding wheel protective cover of grinding machine, comprise case, positioner; Described case comprises shell and inner casing, described shell is fan-shaped, the described central angle in fan-shaped shell is 90 degree, described shell comprises the cavity of accommodating inner casing, and the curved edge at described shell central angle place is provided with to the outstanding curved flanges of cavity, and described inner casing is fan-shaped, the described central angle in fan-shaped inner casing is 90 degree, described inner casing comprises the cavity of accommodating emery wheel, and described inner casing is fastened in shell, and the described curved edge at inner casing central angle place coordinates with the curved flanges activity of shell; The lateral wall that described positioner is arranged on shell is positioned at the linear edge place of shell, described positioner comprises support, bar, fixture block, coil tension spring, described support is fixed on the lateral wall of shell, the centre of described bar is articulated on support, described fixture block is fixed on one end of bar, one end of described coil tension spring is connected to the other end of bar, the other end of described coil tension spring is connected on the lateral wall of shell, described inner casing lateral wall offers some draw-in grooves coordinated with fixture block, the curved distribution of described some draw-in grooves.
By technique scheme, described inner casing coordinates with the curved flanges activity of shell with the curved edge at its central angle place and to be fastened in shell and can to rotate around the curved flanges of shell, namely inner casing can in indentation shell, also extended shell, to adjust the exposed degree of the emery wheel that case shrouds, and then adapt to the processing request of different workpiece.Inner casing indentation or stretch out shell to a certain degree after, the fixture block on positioner snaps in the draw-in groove on inner casing lateral wall under the tension force of coil tension spring, with the position of fixing inner casing relative to shell.If need adjust inner casing indentation or stretch out the degree of shell, operating personnel can press one end of positioner king-rod, keep motionless, and coil tension spring compresses, and fixture block departs from draw-in groove; Afterwards, operating personnel adjust inner casing indentation or stretch out the degree of shell; Afterwards, operating personnel's release is by the bar of its pressing, and coil tension spring stretches, and bar tilting, fixture block snaps in corresponding draw-in groove with the position of fixing inner casing relative to shell.
Protective cover of the present invention is fixed in the frame of grinding machine by the jockey of routine, by described protective cover, when emery wheel breaks at work, can effectively cover emery wheel fragment, ensures the safety of operating personnel.
As a modification of the present invention, the quantity of described case is two, the shell linear edge of described case is provided with adpting flange, and described adpting flange and positioner lay respectively at two linear edge places of shell, and described two cases connect into a semi-circular shape by adpting flange.When two cases are installed, first case covers emery wheel, be fixed in grinding machine frame, second case also covers emery wheel when mounted and connects into an entirety with first case by adpting flange, and the curved edge at two case central angle places is that grinding wheel spindle is stepped down.Two cases linked together can shroud emery wheel greatly, more effectively to cover emery wheel fragment, ensure the safety of operating personnel.
As a further improvement on the present invention, described inner casing lateral wall offers arc guide groove, described housing interior side-wall is provided with the guide pad with described arcuate guide slot fit.As preferably, described arc guide groove to be opened on inner casing lateral wall and to be positioned at the opposition side of draw-in groove.
As a further improvement on the present invention, the inner casing linear edge of described case is provided with edge outwardly.Described projecting edge is exposed outside shell, is fully retracted in shell to prevent inner casing.
Illustrate as one of the present invention, one of described two cases outer surface is provided with the connecting portion be connected with grinding machine Rack Body.
Further illustrate as of the present invention, the shell of described case and the cross section of inner casing are all in arch.
Improve as to the one of positioner, the curved shape of bar of described positioner, with handled easily personnel pressing, also facilitate fixture block effectively to snap in and depart from the draw-in groove on inner casing lateral wall.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of a kind of grinding wheel protective cover of grinding machine of the present invention;
Fig. 2 is A place enlarged drawing in Fig. 1;
Fig. 3 is the structural representation observing described grinding wheel protective cover of grinding machine gained in Fig. 1 from left back;
Fig. 4 is the structural representation observing described grinding wheel protective cover of grinding machine gained in Fig. 3 from left front;
Fig. 5 is the structural representation observing described grinding wheel protective cover of grinding machine gained in Fig. 3 from right back;
Fig. 6 is the structural representation of inner casing in Fig. 3;
Fig. 7 is the structural representation observing described inner casing gained in Fig. 6 from right front;
Fig. 8 is the structural representation observing described inner casing gained in Fig. 6 from left back.
Symbol description in figure:
10-case; 11-shell; 110-curved edge; 111-curved flanges; 112-linear edge; 113-adpting flange; 114-guide pad; 115-connecting portion; 12-inner casing; 120-curved edge; 121-draw-in groove; 122-arc guide groove; 123-linear edge; 124-projecting edge;
20-positioner; 21-support; 22-bar; 23-fixture block; 24-coil tension spring.
Detailed description of the invention
As shown in Figure 1, a kind of grinding wheel protective cover of grinding machine, comprises two cases 10, the positioner 20 be arranged on case.
Shown in composition graphs 3, Fig. 4, Fig. 5, described case 10 comprises shell 11 and inner casing 12.
Shown in composition graphs 3, Fig. 4, Fig. 5, above-mentioned shell 11 is in fan-shaped, and the described central angle in fan-shaped shell 11 is 90 degree, and shell 11 cross section is arch.Described shell 11 comprises the cavity of accommodating inner casing 12, and the curved edge 110 at described shell 11 central angle place is provided with the curved flanges 111 outstanding to cavity.Shell 11 linear edge is provided with adpting flange 113.Shell 11 madial wall is provided with guide pad 114.Shell 11 outer surface of one of two cases 10 is provided with the connecting portion 115 be connected with grinding machine Rack Body.
Shown in composition graphs 6, Fig. 7, Fig. 8, above-mentioned inner casing 12 is in fan-shaped, and the described central angle in fan-shaped inner casing 12 is 90 degree, and inner casing 12 cross section is arch.Described inner casing 12 comprises the cavity of accommodating emery wheel, and described inner casing 12 is fastened in shell 11, and the curved edge 120 at described inner casing 12 central angle place coordinates with curved flanges 111 activity of shell 11.Described inner casing 12 lateral wall offers some draw-in grooves 121, the curved distribution of described some draw-in grooves 121.Described inner casing 12 lateral wall offers arc guide groove 122, and described arc guide groove 122 coordinates with the guide pad 114 on shell 11 madial wall.Described inner casing 12 linear edge 123 is provided with edge 124 outwardly.
Shown in composition graphs 1, Fig. 2, the lateral wall that described positioner 20 is arranged on shell 11 is positioned at linear edge 112 place of shell 11, and described adpting flange 113 and positioner 20 lay respectively at two linear edge 112 places of shell 11.Described positioner 20 comprises support 21, the bar 22 of curved shape, fixture block 23, coil tension spring 24, described support 21 is fixed on the lateral wall of shell 11, the centre pivot joint of described bar 22 on the stent 21, described fixture block 23 is fixed on one end of bar 22, one end of described coil tension spring 24 is connected to the other end of bar 22, and the other end of described coil tension spring 24 is connected on the lateral wall of shell 11.Wherein, described fixture block 23 coordinates with the draw-in groove 121 on inner casing 12 lateral wall.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, described two cases 10 connect into a semi-circular shape by adpting flange 113.
When two cases are installed, first case 10 covers emery wheel, be fixed in grinding machine frame, second case 10 also covers emery wheel when mounted and connects into an entirety with first case 10 by adpting flange 113, and the curved edge 110 at two case 10 central angle places is stepped down for grinding wheel spindle.Two cases linked together 10 can shroud emery wheel greatly.
Inner casing 12 coordinates with the activity of the curved flanges 111 of the curved edge 120 at its central angle place and shell 11 and is fastened in shell 11 and also can rotates around the curved flanges 111 of shell 11, namely inner casing 12 can in indentation shell 11, also extended shell 11, to adjust the exposed degree of the emery wheel that case 10 shrouds, and then adapt to the processing request of different workpiece.Inner casing 12 indentation or stretch out shell 11 to a certain degree after, the fixture block 13 on positioner 20 snaps in the draw-in groove 121 on inner casing 12 lateral wall under the tension force of coil tension spring 24, with the position of fixing inner casing 12 relative to shell 11.If need adjust inner casing 12 indentation or stretch out the degree of shell 11, operating personnel can press one end of positioner 20 king-rod 22, keep motionless, and coil tension spring 24 compresses, and fixture block 23 departs from draw-in groove 121; Afterwards, operating personnel adjust inner casing 12 indentation or stretch out the degree of shell 11; Afterwards, operating personnel's release is by the bar 22 of its pressing, and coil tension spring 24 stretches, bar 22 tilting, and fixture block 23 snaps in corresponding draw-in groove 121 with the position of fixing inner casing 12 relative to shell 11.
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (8)
1. a grinding wheel protective cover of grinding machine, comprise case (10), described case (10) comprises shell (11) and inner casing (12), described shell (11) is in fan-shaped, the described central angle in fan-shaped shell (11) is 90 degree, described shell (11) comprises the cavity of accommodating inner casing (12), the curved edge (110) at described shell (11) central angle place is provided with the curved flanges (111) outstanding to cavity, described inner casing (12) is in fan-shaped, the described central angle in fan-shaped inner casing (12) is 90 degree, described inner casing (12) comprises the cavity of accommodating emery wheel, described inner casing (12) is fastened in shell (11), the curved edge (120) at described inner casing (12) central angle place coordinates with curved flanges (111) activity of shell (11), it is characterized in that: also comprise positioner (20), the lateral wall that described positioner (20) is arranged on shell (11) is positioned at linear edge (112) place of shell (11), described positioner (20) comprises support (21), bar (22), fixture block (23), coil tension spring (24), described support (21) is fixed on the lateral wall of shell (11), the centre of described bar (22) is articulated on support (21), described fixture block (23) is fixed on one end of bar (22), one end of described coil tension spring (24) is connected to the other end of bar (22), the other end of described coil tension spring (24) is connected on the lateral wall of shell (11), described inner casing (12) lateral wall is offered some draw-in grooves (121) coordinated with fixture block (23), the curved distribution of described some draw-in grooves (121).
2. a kind of grinding wheel protective cover of grinding machine as claimed in claim 1, it is characterized in that: the quantity of described case (10) is two, shell (11) linear edge of described case (10) is provided with adpting flange (113), described adpting flange (113) and positioner (20) lay respectively at two linear edge (112) places of shell (11), and described two cases (10) connect into a semi-circular shape by adpting flange (113).
3. a kind of grinding wheel protective cover of grinding machine as claimed in claim 2, it is characterized in that: described inner casing (12) lateral wall is offered arc guide groove (122), described shell (11) madial wall is provided with the guide pad (114) coordinated with described arc guide groove (122).
4. a kind of grinding wheel protective cover of grinding machine as claimed in claim 2, is characterized in that: inner casing (12) linear edge (123) of described case (10) is provided with edge (124) outwardly.
5. a kind of grinding wheel protective cover of grinding machine as claimed in claim 2, is characterized in that: shell (11) outer surface of one of described two cases (10) is provided with the connecting portion (115) be connected with grinding machine Rack Body.
6. a kind of grinding wheel protective cover of grinding machine as claimed in claim 1 or 2, is characterized in that: shell (11) cross section of described case (10) is arch.
7. a kind of grinding wheel protective cover of grinding machine as claimed in claim 1 or 2, is characterized in that: inner casing (12) cross section of described case (10) is arch.
8. a kind of grinding wheel protective cover of grinding machine as claimed in claim 1 or 2, is characterized in that: bar (22) the curved shape of described positioner (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751180.7A CN104369109B (en) | 2014-12-10 | 2014-12-10 | Grinder grinding wheel protection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751180.7A CN104369109B (en) | 2014-12-10 | 2014-12-10 | Grinder grinding wheel protection cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104369109A true CN104369109A (en) | 2015-02-25 |
| CN104369109B CN104369109B (en) | 2017-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410751180.7A Active CN104369109B (en) | 2014-12-10 | 2014-12-10 | Grinder grinding wheel protection cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104369109B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194946A (en) * | 2015-09-30 | 2015-12-30 | 中材科技（酒泉）风电叶片有限公司 | Blade surface grinding and dedusting device |
| CN105563337A (en) * | 2016-03-08 | 2016-05-11 | 江苏三叶环保机械制造有限公司 | Explosion-proof grinding machine |
| EP3081335A3 (en) * | 2015-04-13 | 2016-11-02 | Black & Decker Inc. | Guard assembly for a power tool |
| CN106670926A (en) * | 2017-03-02 | 2017-05-17 | 苏州固特斯电子科技有限公司 | Safe heat dissipation grinding wheel machine |
| CN107139059A (en) * | 2017-06-12 | 2017-09-08 | 芜湖天航科技（集团）股份有限公司 | Angle cutting machine |
| CN107263325A (en) * | 2017-07-25 | 2017-10-20 | 徐州给力磁业有限公司 | A kind of containment vessel for motor emery wheel |
| CN107520758A (en) * | 2017-07-21 | 2017-12-29 | 浦江县顺光科技有限公司 | A kind of telescopic protective cover |
| CN109202673A (en) * | 2018-08-23 | 2019-01-15 | 厦门浙辉工贸有限公司 | polishing machine |
| CN110614562A (en) * | 2018-06-20 | 2019-12-27 | 浙江皇冠电动工具制造有限公司 | Protection device for angle grinder |
| CN111993282A (en) * | 2020-08-27 | 2020-11-27 | 北京金益广源建筑工程有限公司 | Protective equipment of numerically controlled grinder |
| CN114425736A (en) * | 2022-03-02 | 2022-05-03 | 贵州福斯特磨料磨具有限公司 | High-safety cutting grinding wheel and equipment thereof |
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| GB2346580B (en) * | 1999-02-09 | 2001-01-10 | Corp P & F Brother Ind | Cutting device with a safety lock for a pivotable tool housing and a cover |
| DE10130063A1 (en) * | 2000-06-30 | 2002-03-21 | Porter Cable Corp | Mortar joint treatment system has protection device with protection element covering entire grinding disc with exception of working area of disc for joint treatment to form cutting depth |
| CN201077026Y (en) * | 2007-08-14 | 2008-06-25 | 中国化学工程第三建设公司 | Movable safety guard of angle grinder |
| CN101422878A (en) * | 2007-11-01 | 2009-05-06 | 株式会社牧田 | Housing of cutter |
| CN204450226U (en) * | 2014-12-10 | 2015-07-08 | 苏州市诚品精密机械有限公司 | A kind of grinding wheel protective cover of grinding machine |
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2014
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Patent Citations (5)
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| GB2346580B (en) * | 1999-02-09 | 2001-01-10 | Corp P & F Brother Ind | Cutting device with a safety lock for a pivotable tool housing and a cover |
| DE10130063A1 (en) * | 2000-06-30 | 2002-03-21 | Porter Cable Corp | Mortar joint treatment system has protection device with protection element covering entire grinding disc with exception of working area of disc for joint treatment to form cutting depth |
| CN201077026Y (en) * | 2007-08-14 | 2008-06-25 | 中国化学工程第三建设公司 | Movable safety guard of angle grinder |
| CN101422878A (en) * | 2007-11-01 | 2009-05-06 | 株式会社牧田 | Housing of cutter |
| CN204450226U (en) * | 2014-12-10 | 2015-07-08 | 苏州市诚品精密机械有限公司 | A kind of grinding wheel protective cover of grinding machine |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11072052B2 (en) | 2015-04-13 | 2021-07-27 | Black & Decker Inc. | Guard assembly for a power tool |
| EP3081335A3 (en) * | 2015-04-13 | 2016-11-02 | Black & Decker Inc. | Guard assembly for a power tool |
| EP3081336A3 (en) * | 2015-04-13 | 2016-11-09 | Black & Decker Inc. | Guard assembly for a power tool |
| CN105194946A (en) * | 2015-09-30 | 2015-12-30 | 中材科技（酒泉）风电叶片有限公司 | Blade surface grinding and dedusting device |
| CN105563337A (en) * | 2016-03-08 | 2016-05-11 | 江苏三叶环保机械制造有限公司 | Explosion-proof grinding machine |
| CN106670926A (en) * | 2017-03-02 | 2017-05-17 | 苏州固特斯电子科技有限公司 | Safe heat dissipation grinding wheel machine |
| CN107139059A (en) * | 2017-06-12 | 2017-09-08 | 芜湖天航科技（集团）股份有限公司 | Angle cutting machine |
| CN107520758A (en) * | 2017-07-21 | 2017-12-29 | 浦江县顺光科技有限公司 | A kind of telescopic protective cover |
| CN107263325A (en) * | 2017-07-25 | 2017-10-20 | 徐州给力磁业有限公司 | A kind of containment vessel for motor emery wheel |
| CN107263325B (en) * | 2017-07-25 | 2023-10-27 | 徐州给力磁业有限公司 | Protective shell for motor grinding wheel |
| CN110614562A (en) * | 2018-06-20 | 2019-12-27 | 浙江皇冠电动工具制造有限公司 | Protection device for angle grinder |
| CN109202673A (en) * | 2018-08-23 | 2019-01-15 | 厦门浙辉工贸有限公司 | polishing machine |
| CN111993282B (en) * | 2020-08-27 | 2021-09-17 | 江苏艾嵘机械科技有限公司 | Protective equipment of numerically controlled grinder |
| CN111993282A (en) * | 2020-08-27 | 2020-11-27 | 北京金益广源建筑工程有限公司 | Protective equipment of numerically controlled grinder |
| CN114425736A (en) * | 2022-03-02 | 2022-05-03 | 贵州福斯特磨料磨具有限公司 | High-safety cutting grinding wheel and equipment thereof |
| CN114425736B (en) * | 2022-03-02 | 2024-03-29 | 贵州福斯特磨料磨具有限公司 | Cutting equipment that security is high |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104369109B (en) | 2017-02-22 |
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Effective date of registration: 20160622 Address after: 523000 Guangdong province Dongguan City Songshan Lake high tech Industrial Zone Building 406 industrial development productivity Applicant after: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. Address before: 215106 Taiping Road, Taiping Street, Suzhou, Jiangsu, No. 11, No. Applicant before: Cheng Pin precision optical machinery Co., Ltd of Suzhou City |
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Effective date of registration: 20160726 Address after: 215106 Taiping Road, Taiping Street, Suzhou, Jiangsu, No. 11, No. Applicant after: Cheng Pin precision optical machinery Co., Ltd of Suzhou City Address before: 523000 Guangdong province Dongguan City Songshan Lake high tech Industrial Zone Building 406 industrial development productivity Applicant before: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. |
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Inventor after: Zhao Hongbin Inventor before: Yang Jianhua |
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Effective date of registration: 20161110 Address after: 523000 Guangdong province Dongguan Songshan Lake high tech Industrial Development Zone Technology Park building 11, floor 2, 201D Applicant after: Dongguan Tianhe electromechanical Development Co. Ltd. Address before: 215106 Taiping Road, Taiping Street, Suzhou, Jiangsu, No. 11, No. Applicant before: Cheng Pin precision optical machinery Co., Ltd of Suzhou City |
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Effective date of registration: 20171206 Address after: 215100 Jiangsu city in Suzhou Province, Xiangcheng District Road, Yongchun Industrial Park creative square spring Patentee after: Science and Technology Ltd. is created in Suzhou Address before: 523000 Guangdong province Dongguan Songshan Lake high tech Industrial Development Zone Technology Park building 11, floor 2, 201D Patentee before: Dongguan Tianhe electromechanical Development Co. Ltd. |