CN104422625A - Rotary testing machine for detecting pendulum type grinding wheel impact - Google Patents
Rotary testing machine for detecting pendulum type grinding wheel impact Download PDFInfo
- Publication number
- CN104422625A CN104422625A CN201310406376.8A CN201310406376A CN104422625A CN 104422625 A CN104422625 A CN 104422625A CN 201310406376 A CN201310406376 A CN 201310406376A CN 104422625 A CN104422625 A CN 104422625A
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- pendulum
- bearing plate
- emery wheel
- fixed head
- grinding wheel
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention belongs to the field of a grinding wheel strength detection device. Aiming at solving the technical problem that the traditional detection device cannot meet the demand of detecting the lateral impact resistance of a grinding wheel, the invention provides a rotary testing machine for detecting the pendulum type grinding wheel impact. The rotary testing machine comprises a rotary machine main body; an electric main shaft is arranged in the middle of the rotary machine main body; a speed measurement sensor is fixed at one end of the electric main shaft, and the other end of the electric main shaft is connected with a mandrel; a rotary cavity is arranged at the periphery of the mandrel; a bearing plate is arranged at the outer side of a door of the rotary cavity in a sliding way; the bearing plate is provided with a pendulum bob, a limiting fixed plate matched with the pendulum bob, and a pendulum bob locking device. The rotary testing machine is a set of comparatively perfect grinding wheel lateral impact resistance testing device, and can be used for detecting the lateral impact resistance of a cymbals-shaped grinding wheel for polishing and a fiber reinforced resin cutting grinding wheel.
Description
Technical field
The invention belongs to wheel strength pick-up unit field, a kind of pendulum emery wheel impulse detection rotation test machine related to, detect for the side direction impact resistance of reconditioning with cymbals abrasive wheel and fiber enhanced resin cutting grinding wheel.
Background technology
When grinding wheel side refers to that emery wheel rotates with most high operation speed to impact resistance, the minimal impact power specified according to standard starts to impact emery wheel, strengthen impulsive force gradually to when there is obvious visual damage, nominal potential energy value is now maximum side direction anti-shock loading during pendulum impact.Along with the development of grinding materials and grinding tool grinding industry, the side direction impact resistance of emery wheel becomes the important quality index of emery wheel product gradually, it reflects the quality of emery wheel toughness.
Summary of the invention
The technical problem to be solved in the present invention is traditional pick-up unit, cannot meeting and detect grinding wheel side to the needs of anti-impact force, for solving the problem, providing a kind of pendulum emery wheel impulse detection rotation test machine.
Technical scheme of the present invention realizes in the following manner:
A kind of pendulum emery wheel impulse detection rotation test machine, comprise turn-around machine main body, electro spindle is provided with in the middle part of described turn-around machine main body, electro spindle one end is fixed with tachogenerator, the other end is connected with mandrel, mandrel periphery is provided with turned cavities, and turned cavities outer side of door is slidably fitted with bearing plate, spacing fixed head bearing plate is provided with pendulum, matching with pendulum and pendulum locking device.
Described turned cavities is rounded, is provided with O RunddichtringO between turned cavities door and turned cavities.
Described turned cavities door has been horizontally disposed with two guide rails, guide rail is provided with slide block, turned cavities door is arranged on slide block, and bearing plate is provided with the translation hold-down bars for fixing bearing plate.
Described bearing plate is provided with the electromagnetic clutch be arranged between left auricular branch support member and auris dextra support member, pendulum is arranged on electromagnetic clutch by sliding bearing.
Described bearing plate is provided with safety screen.
Described spacing fixed head comprises Horizontal limiting fixed head and vertical spacing fixed head, and one end of Horizontal limiting fixed head is fixed on auris dextra support member, and the other end of Horizontal limiting fixed head is provided with Horizontal limiting proximity switch; The upper end of described vertical spacing fixed head is fixed on the below of auris dextra support member, and the lower end of vertical spacing fixed head is provided with pendulum zero-bit proximity switch and pendulum locking proximity switch.
Described pendulum locking device comprises stepper motor, and stepper motor is connected with electromagnetic clutch through reductor, and is fixed on auris dextra support member.
Relative to prior art, the present invention is by being arranged on mandrel by emery wheel, and electro spindle band moving mandrel and emery wheel, rotate with the most high operation speed of the emery wheel set, tachogenerator by the rotating speed Real-time Feedback of electro spindle to control system; The height of pendulum calculates according to the power of required generation, and after pendulum is released and impacts emery wheel, Charpy impact, to zero-bit, reaches the limit of position, and stopping all of pendulum are freely swung by the pendulum of pendulum locking device locking simultaneously.Complete the detection to emery wheel, whether having open defect by observing wheel face, judging whether emery wheel meets standard.
The invention has the beneficial effects as follows:
1, the present invention be a set of fairly perfect grinding wheel side to impact resistance verifying attachment, the detection of side direction impact resistance can be carried out to reconditioning cymbals abrasive wheel and fiber enhanced resin cutting grinding wheel.
2, rotation test machine main body adopts electric chief axis system, makes package unit compact conformation, lightweight; Not being only package unit, to provide high rotating speed high-power, reduces vibration simultaneously and reduce noise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic perspective view that the present invention removes safety screen.
Wherein, 1 is turn-around machine main body, 2 is tachogenerators, 3 is electro spindle, 4 is mandrels, 5 is emery wheels, 6 is set nuts, 7 is turned cavities, 8 is O RunddichtringOs, 9 is turned cavities doors, 10 is bearing plates, 11 is Horizontal limiting fixed heads, 12 is Horizontal limiting proximity switches, 13 is safety screens, 14 is pendulums, 15 is vertical spacing fixed heads, 16 is pendulum zero-bit proximity switches, 17 is pendulum locking proximity switches, 18 is slide blocks, 19 is guide rails, 20, control system, 21 is stepper motors, 22 is reductors, 23 is auris dextra support members, 24 is sliding bearings, 25 is electromagnetic clutchs, 26 is left auricular branch support members, 27 is translation hold-down barss.
Embodiment
As shown in Figures 1 and 2, a kind of pendulum emery wheel impulse detection rotation test machine, comprise turn-around machine main body 1, electro spindle 3 is provided with in the middle part of turn-around machine main body 1, electro spindle 3 one end is fixed with tachogenerator 2, and the other end is connected with mandrel 4, and mandrel 4 periphery is provided with turned cavities 7, the spacing fixed head be slidably fitted with bearing plate 10 outside turned cavities door 9, bearing plate 10 be provided with pendulum 14, matching with pendulum 14 and pendulum locking device.
Above-mentioned turned cavities 7 is rounded, is provided with O RunddichtringO 8 between turned cavities door 9 and turned cavities.O RunddichtringO for stoping dust and fragment inside turned cavities out, and plays the effect of sound insulation.
Be slidably fitted with bearing plate 10 outside above-mentioned turned cavities door 9, be turned cavities door 9 has been horizontally disposed with two guide rails 19, guide rail is provided with slide block 18, turned cavities door 9 is arranged on slide block, and bearing plate is provided with the translation hold-down bars 27 for fixing bearing plate.Bearing plate horizontal direction moves left and right such can making, and when shift position is suitable, is fixed by bearing plate with translation hold-down bars.
Above-mentioned bearing plate 10 is provided with pendulum 14, and be bearing plate is provided with the electromagnetic clutch 25 be arranged between left auricular branch support member 26 and auris dextra support member 23, pendulum 14 is arranged on electromagnetic clutch 25 by sliding bearing 24.
Above-mentioned bearing plate 10 is provided with safety screen 13.When carrying out grinding wheel side to impact test, play the effect of security protection.
Above-mentioned spacing fixed head comprises Horizontal limiting fixed head 11 and vertical spacing fixed head 15, and one end of Horizontal limiting fixed head 11 is fixed on auris dextra support member 23, and the other end of Horizontal limiting fixed head is provided with Horizontal limiting proximity switch 12; The upper end of described vertical spacing fixed head 15 is fixed on the below of auris dextra support member 23, and the lower end of vertical spacing fixed head 15 is provided with pendulum zero-bit proximity switch 16 and pendulum locking proximity switch 17.
Above-mentioned pendulum locking device comprises stepper motor 21, and stepper motor 21 is connected with electromagnetic clutch 25 through reductor 22, and is fixed on auris dextra support member 23.
Above-mentioned tachogenerator, automatically controlled axle, stepper motor, Horizontal limiting proximity switch, pendulum zero-bit proximity switch are all connected with control system 20 with pendulum locking proximity switch, and the course of work is as follows;
Emery wheel 5 is arranged on mandrel, screw with set nut 6 simultaneously, electro spindle 3 in the middle part of turn-around machine main body 1 is with moving mandrel 4 and emery wheel 5, rotates with the most high operation speed of the emery wheel 5 set, tachogenerator 2 by the rotating speed Real-time Feedback of electro spindle 3 to control system 20; Electromagnetic clutch 25 is driven to drive pendulum 14 to arrive certain height by stepper motor 21, the height of pendulum 14 calculates according to the power of required generation, after pendulum 14 is released and impacts emery wheel 5, pendulum zero-bit proximity switch 16 feeds back pendulum 14 and impacts zero-bit, pendulum locking proximity switch 17 feedback pendulums 14 impact the extreme position of emery wheel, stepper motor 21 drives electromagnetic clutch 25 to lock pendulum 14 simultaneously, stopping all of pendulum 14 is freely swung.Whether there is open defect by observing wheel face, judging whether emery wheel meets standard.
The present invention detect feature from grinding wheel side to the rotation test machine of impact resistance also namely inventive point be:
Due to grinding wheel side to impulse detection test to as if the emery wheel of High Rotation Speed, compared to the subjects of static placement, detection difficulty is large, has danger simultaneously.The pendulum brake structure of the design carries out rotating by driving stepper motor reductor and rotates to drive electromagnetic clutch, electromagnetic clutch drives pendulum to swing up and down, and Horizontal limiting proximity switch, pendulum zero-bit proximity switch and pendulum locking proximity switch feedback pendulum signal is to realize driving and the locking of pendulum.Level is arranged on guide rail on turned cavities door and slide block, ensures that bearing plate energy level moves left and right, detects with the impact strength meeting various outer diameter size emery wheel.Rotation test machine main body adopts electric chief axis system, and not being only package unit, to provide high rotating speed high-power, reduces vibration simultaneously and reduces noise, and overcome traditional rotation test machine main shaft by belt drive, apparatus structure is complicated, and fuselage weight, rotating speed is low, the shortcoming that noise is large.Driving stepper motor reductor carries out rotating and rotates to drive electromagnetic clutch, and electromagnetic clutch drives pendulum to swing up and down; Driving pendulum to swing up and down willing while, can also guarantee that high precision controls and metering.The various piece of pendulum emery wheel impulse detection rotation test machine entirety is relatively independent, and installation and maintenance is very convenient.
Claims (7)
1. a pendulum emery wheel impulse detection rotation test machine, comprise turn-around machine main body (1), it is characterized in that: described turn-around machine main body (1) middle part is provided with electro spindle (3), electro spindle (3) one end is fixed with tachogenerator (2), the other end is connected with mandrel (4), mandrel (4) periphery is provided with turned cavities (7), turned cavities door (9) outside is slidably fitted with bearing plate (10), spacing fixed head bearing plate (10) is provided with pendulum (14), matching with pendulum (14) and pendulum locking device.
2. pendulum emery wheel impulse detection rotation test machine according to claim 1, is characterized in that: described turned cavities (7) is rounded, is provided with O RunddichtringO (8) between turned cavities door (9) and turned cavities.
3. pendulum emery wheel impulse detection rotation test machine according to claim 1, it is characterized in that: described turned cavities door (9) has been horizontally disposed with two guide rails (19), guide rail is provided with slide block (18), turned cavities door (9) is arranged on slide block, and bearing plate is provided with the translation hold-down bars (27) for fixing bearing plate.
4. pendulum emery wheel impulse detection rotation test machine according to claim 1, it is characterized in that: described bearing plate is provided with the electromagnetic clutch (25) be arranged between left auricular branch support member (26) and auris dextra support member (23), pendulum (14) is arranged on electromagnetic clutch (25) by sliding bearing (24).
5. pendulum emery wheel impulse detection rotation test machine according to claim 1, is characterized in that: described bearing plate (10) is provided with safety screen (13).
6. pendulum emery wheel impulse detection rotation test machine according to claim 4, it is characterized in that: described spacing fixed head comprises Horizontal limiting fixed head (11) and vertical spacing fixed head (15), one end of Horizontal limiting fixed head (11) is fixed on auris dextra support member (23), and the other end of Horizontal limiting fixed head is provided with Horizontal limiting proximity switch (12); The upper end of described vertical spacing fixed head (15) is fixed on the below of auris dextra support member (23), and the lower end of vertical spacing fixed head (15) is provided with pendulum zero-bit proximity switch (16) and pendulum locking proximity switch (17).
7. pendulum emery wheel impulse detection rotation test machine according to claim 5, it is characterized in that: described pendulum locking device comprises stepper motor (21), stepper motor (21) is connected with electromagnetic clutch (25) through reductor (22), and is fixed on auris dextra support member (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310406376.8A CN104422625B (en) | 2013-09-09 | 2013-09-09 | Pendulum emery wheel impulse detection rotation test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310406376.8A CN104422625B (en) | 2013-09-09 | 2013-09-09 | Pendulum emery wheel impulse detection rotation test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104422625A true CN104422625A (en) | 2015-03-18 |
| CN104422625B CN104422625B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310406376.8A Expired - Fee Related CN104422625B (en) | 2013-09-09 | 2013-09-09 | Pendulum emery wheel impulse detection rotation test machine |
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| CN (1) | CN104422625B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063684A (en) * | 2021-03-13 | 2021-07-02 | 向相学 | Automatic locking strength detection device for container |
| CN115198618A (en) * | 2022-08-09 | 2022-10-18 | 王伟伟 | Highway noise reduction construction device and construction method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092098U (en) * | 1991-06-22 | 1992-01-01 | 机械电子工业部北京机械工业自动化研究所 | Testing table for impact fatigue of rotary parts |
| CN1719225A (en) * | 2004-07-08 | 2006-01-11 | 日东电工株式会社 | Impact test apparatus and impact test method |
| US6990845B2 (en) * | 2002-11-18 | 2006-01-31 | Universiti Putra Malaysia | Pendulum impact test rig |
| CN201688965U (en) * | 2010-01-13 | 2010-12-29 | 陈文平 | Grinding wheel high-speed rotation testing machine |
| CN203479648U (en) * | 2013-09-09 | 2014-03-12 | 郑州磨料磨具磨削研究所有限公司 | Rotary tester for detecting impact of pendulum grinding wheel |
-
2013
- 2013-09-09 CN CN201310406376.8A patent/CN104422625B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092098U (en) * | 1991-06-22 | 1992-01-01 | 机械电子工业部北京机械工业自动化研究所 | Testing table for impact fatigue of rotary parts |
| US6990845B2 (en) * | 2002-11-18 | 2006-01-31 | Universiti Putra Malaysia | Pendulum impact test rig |
| CN1719225A (en) * | 2004-07-08 | 2006-01-11 | 日东电工株式会社 | Impact test apparatus and impact test method |
| CN201688965U (en) * | 2010-01-13 | 2010-12-29 | 陈文平 | Grinding wheel high-speed rotation testing machine |
| CN203479648U (en) * | 2013-09-09 | 2014-03-12 | 郑州磨料磨具磨削研究所有限公司 | Rotary tester for detecting impact of pendulum grinding wheel |
Non-Patent Citations (3)
| Title |
|---|
| 中华人民共和国国家发展和改革委员会: "JB/T 4175-2006 固结磨具 纤维增强树脂切割砂轮", 《JB/T 4175-2006 固结磨具 纤维增强树脂切割砂轮》 * |
| 宋波: "转向器摆锤冲击试验机", 《万方学位论文》 * |
| 钟彦征等: "薄片砂轮动态抗折强度测定仪的研制", 《金刚石与磨料磨具工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063684A (en) * | 2021-03-13 | 2021-07-02 | 向相学 | Automatic locking strength detection device for container |
| CN115198618A (en) * | 2022-08-09 | 2022-10-18 | 王伟伟 | Highway noise reduction construction device and construction method |
| CN115198618B (en) * | 2022-08-09 | 2024-09-20 | 王伟伟 | Highway noise reduction construction device and construction method |
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| CN104422625B (en) | 2017-01-04 |
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