CN201488909U - Eccentric grinder - Google Patents
Eccentric grinder Download PDFInfo
- Publication number
- CN201488909U CN201488909U CN2009202248843U CN200920224884U CN201488909U CN 201488909 U CN201488909 U CN 201488909U CN 2009202248843 U CN2009202248843 U CN 2009202248843U CN 200920224884 U CN200920224884 U CN 200920224884U CN 201488909 U CN201488909 U CN 201488909U
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- China
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- alms bowl
- eccentric
- output shaft
- material alms
- grinding plate
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to an eccentric grinder, which comprises a driving device, a transmission device, an input shaft, a universal joint, an output shaft, a bearing, a transmission eccentric block, a sleeve, a main body support device, a spring, a grinding platform, a material pot, a material pot cap, a grinding disc and a material pot fixing device. The driving device is connected with the input shaft via the transmission device, the input shaft and the output shaft are respectively connected to two ends of the universal joint, the transmission eccentric block is fixed on the output shaft, gravity centers of the transmission eccentric block and the output shaft are not in the same straight line in a vertical direction, the grinding platform is provided with a hollow base fixedly connected with an upper surface of the sleeve, the upper surface of the sleeve is provided with a round hole, the bearing on the lower portion of the output shaft is disposed in the hole, a grinding platform surface and the main body support device are connected via a plurality of springs uniformly and circumferentially, the material pot is fixed on the grinding platform via the material pot fixing device, the grinding disc is arranged in a cavity of the material pot, and the material pot cap is capped on the material pot tightly. The eccentric grinder is small in volume, low in noise, low in requirements upon using environment and high in grinding efficiency.
Description
Technical field
The utility model relates to a kind of muller, especially relates to the eccentric grinder that a kind of sample that is used for coal, ore and other bulk goods grinds.
Background technology
Muller is mainly used in the process of lapping of ore, mineral, metallographic sample, ceramic, soil, potpourri, chemicals and similar material inspection by sampling, is the important step of inspection by sampling process.
When ore, mineral and other bulk goods are carried out international and domestic trading, need batch carry out strict quantitative test to whole delivery, to determine the quality of delivery batch.Whether identify that for the quality of delivery batch accurately with representative, the inspection by sampling process of sample has played very crucial effect.Muller is one of equipment extremely crucial in the sample making course.Whether deviation is arranged during sample preparation, whether satisfy system requirements, determined the reliability and the trustworthiness of total system, determined the representativeness of analysis result.
The muller that adopts has hammer mill, cutting type muller, agitation grinder etc. at present.The cardinal principle of hammer mill, cutting type muller and agitation grinder is the driving by motor, drive drive disk assembly, thereby drive the rotation of two mechanical counterparts, and friction, collision by counterpart make former abrasive lapping fragmentation, and the sample particle that realization will be clipped between the component reduces.Such muller is main in the market application product, and major defect is that profile is big, noise big, environment for use is had relatively high expectations, the long problems such as causing sample contamination easily that reaches of milling time.
Summary of the invention
Fundamental purpose of the present utility model is to address the above problem and is not enough, and the eccentric grinder that a kind of profile is little, noise is little, the environment for use requirement is low, grinding efficiency is high is provided.
In order to solve above technical matters, the utility model provides a kind of eccentric grinder, comprises drive unit, gearing, input shaft, universal joint, output shaft, bearing, transmission eccentric block, sleeve, main body rack device, spring, grinding plate, material alms bowl, material alms bowl lid, abrasive disk, material alms bowl fastener; Wherein drive unit links to each other with input shaft by gearing, and input shaft, output shaft link to each other with the universal joint two ends respectively, the transmission eccentric block be fixed on the output shaft and the center of gravity of the two at vertical direction not point-blank; Grinding plate has hollow base, and hollow base is fixedlyed connected with the sleeve upper surface, and sleeve upper surface center has circular hole, and the bearing of output shaft bottom just falls within the hole; Along the circumferential direction be connected by some springs equably between the table top of grinding plate and the main body rack device, material alms bowl fastener will expect that alms bowl is fixed on the grinding plate, and abrasive disk places in the material alms bowl cavity, and material alms bowl lid tightly covers is expecting on the alms bowl.
During work, drive unit drives input shaft, makes output shaft speed change rotation when its axle body moves in a circle by universal joint, and under the effect of transmission eccentric block, the track of its circular motion is irregular closed curve.
When the transmission eccentric block does not contact with the grinding plate lower surface, because bearing itself does not rotate, this moment, sleeve was just under its hole inner bearing drives, only occurred level direction vibration with the irregular curve motion of output shaft, be fixed in the vibration that the grinding plate on the sleeve produces various amplitude in the horizontal direction thereby drive, cause abrasive disk constantly to collide, the sample particle in the material alms bowl is diminished with the material alms bowl.
The shape of transmission eccentric block can be 1/4th annular solids, also can be that rectangular parallelepiped or other can form any profile of eccentric structure.
The utility model can produce following beneficial effect:
1, this eccentric grinder profile is little, low to the environment for use requirement.Because muller has changed the type of belt drive of muller, sampler in the past, makes power directly pass to grinding plate through transmission shaft, grinding plate drives the material alms bowl and realizes grinding function, has so both reduced taking of equipment integral space, can satisfy the technical requirement of grinding again.
2, this eccentric grinder has reduced noise.The material alms bowl of muller is furnished with material alms bowl lid, and in process of lapping, the material alms bowl is in sealing state all the time, has reduced the propagation of noise.
3, this eccentric grinder has shortened milling time, has improved grinding efficiency.Drive characteristic, the eccentric effect of eccentric block, friction force, spring tension that muller has fully utilized universal joint make the material alms bowl produce amplitude with vertical direction in the horizontal direction, on the function of common fragmentation, make sample in the material alms bowl, realize grinding function, make hardness height, tough sample be easy to fragmentation by clashing into mutually.
4, this eccentric grinder spring not only produces pulling force to the grinding plate of eccentric motion, and for other devices, this spring also plays the effect of damping.
In order to obtain better effect, can take following measure:
1, the grinding plate lower surface is pressed on the transmission eccentric block.Just will produce friction force this moment between grinding plate lower surface and transmission eccentric block, because the transmission eccentric block is speed change rotation simultaneously under the drive of output shaft, under the effect of friction force, grinding plate is speed change rotation when doing above horizontal direction vibration thereupon just, along with the grinding plate rotation, the spring that is fixed in its lower surface also increases gradually to the answer pulling force that reverses that grinding plate produces, when grinding plate rotates to a certain position, make spring to the pulling force of grinding plate during greater than the friction force between grinding plate and the output shaft, grinding plate is past swivel motion under the effect of spring tension, generation is than large amplitude, grinding plate continues speed change and rotatablely moves under the effect of friction force after pulling force reduces, circulation so repeatedly, grinding plate just constantly rocks in the horizontal direction, produces than large amplitude; Because output shaft produces difference in height at vertical direction around himself doing irregular circular motion during this output shaft motion, adds the gravity of grinding plate and last parts itself thereof, grinding plate also produces amplitude simultaneously at vertical direction.Grinding plate just produces bigger amplitude at vertical direction and horizontal direction under the effect of universal joint, transmission eccentric block, spring thus, causes abrasive disk constantly to collide with the material alms bowl, and the sample particle in the material alms bowl is diminished.
The advantage of this kind structure is: can require to make different selections according to different grindings.Under the same conditions, amplitude is less, and collision frequency increases; Amplitude is bigger, and impact increases thus.Collision frequency and impact are two factors of decision grinding effect, and they at different grinding spaces and grinding object, can select different frame modes and different material alms bowl and abrasive disks respectively.
2, be pressed on the transmission eccentric block when the grinding plate lower surface, be fixed with friction pad at transmission eccentric block upper surface, and the friction factor of this friction pad be greater than the friction factor of transmission eccentric block upper surface.1), increase the friction force between transmission eccentric block and the grinding plate its role is to:,, thereby increase abrasive disk and the impact of expecting between the alms bowl, reach better grinding effect with the amplitude of aggravation grinding plate horizontal direction; 2), thereby prevent the wearing and tearing of transmission eccentric block because this friction pad is replaceable.
3, on abrasive disk, have the eccentric orfice that departs from the center of circle, its role is to make its center of circle of deviation of gravity center of abrasive disk, when producing the amplitude of horizontal direction and vertical direction under the drive of material alms bowl at grinding plate, abrasive disk is done eccentric motion on one side with the collision of material alms bowl on one side in the material alms bowl, thereby increase with the increase of material alms bowl impingement area, collision frequency increase, bump dynamics, milling time shortening, grinding efficiency are improved.
4, be provided with stingy hand structure in the eccentric orfice on abrasive disk, its role is to make abrasive disk to be convenient to from the material alms bowl, take out.
5, material alms bowl fastener comprises material alms bowl fixed mount and baric systerm, and baric systerm is made up of air bag fastener, filter regulator, tracheae.During work, open valve, gas after filtration pressure regulator filter, again in tracheae enters the air bag of air bag fastener, reconcile filter regulator, air bag is expanded and shrink, thereby play effect fastening and that unclamp the material alms bowl.Its advantage is that this fixed form is simple more, convenient, safety.
6, the material alms bowl is covered with O-ring seal, can prevent that collision produces between abrasive disk and the material alms bowl dust from flying out and make sample not contaminated, and the while also reduces noise and spreads out of.
7, this eccentric grinder has also adopted the hoisting apparatus that comprises baric systerm, by baric systerm control hoisting apparatus, the material alms bowl can be put into and is taken out from grinding plate is cofree, and is simple to operate, flexible, saves manpower.
8, on the main body rack device with the corresponding place of sleeve, be fixed with the plate of encircling for protection, inner components breaks down when its role is to prevent work, and the people is caused injury.
9, on sleeve wall, have some viewports, conveniently the parts of machine intimate are observed.
Description of drawings
Fig. 1 is the front view of eccentric grinder
Fig. 2 is the vertical view of Fig. 1
Fig. 3 be in first kind of embodiment of the utility model output shaft and sleeve and grinding plate part along the cutaway view Amplified image of A-A line among Fig. 2.
Fig. 4 is the cutaway view Amplified image of material alms bowl part along A-A line among Fig. 3.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 be in second kind of embodiment of the utility model output shaft and sleeve and grinding plate part along the cutaway view Amplified image of A-A line among Fig. 2.
Number description:
Embodiment
Specific embodiment one.Referring to figs. 1 through Fig. 5, embodiment one of the present utility model is described.
The drive motor 1 of this eccentric grinder links to each other with input shaft 3 by belt transmission 2; Input shaft 3, output shaft 5 link to each other with universal joint 4 two ends respectively, transmission eccentric block 6 be fixed on the output shaft 5 and the center of gravity of the two at vertical direction not point-blank; According to the fixed position difference of transmission eccentric block 6, two embodiment of the present utility model have been formed, its position such as Fig. 3 and Fig. 6.Grinding plate 11 has hollow base, and hollow base is fixedlyed connected with sleeve 8, and sleeve 8 upper surface centers have circular hole, and the bearing 7 of output shaft 5 bottoms just falls within the hole.Along the circumferential direction evenly be connected with six roots of sensation spring 10 respectively between the table top of grinding plate 11 and the main frame device 9.Abrasive disk 13 has eccentric orfice 16, is provided with stingy hand in the eccentric orfice 16, and whole abrasive disk 13 places in material alms bowl 12 cavitys, and material alms bowl lid 14 tightly covers on material alms bowl 12, and is provided with O-ring seal 15 between the two.Filter regulator 19, tracheae 20, air bag fastener 21 are formed baric systerm, lay respectively on hoisting apparatus 23 and the material alms bowl fixed mount 18, the former plays the effect that material alms bowl 12 is put into and taken out from grinding plate 11, and the latter plays and will expect that alms bowl 12 is fastened on the effect on the grinding plate 11.
During work, connect power supply and source of the gas, regulate the pressure of filter regulator 19 in the hoisting apparatus, to expect that alms bowl 12 is positioned on the hoisting apparatus 24, open gas valve, gas enters in the air bag of air bag fastener 21 through tracheae 20 after pressure regulator 19 filters after filtration again, by the expansion and the contraction of air bag, drive the lifting of material alms bowl 12; After gas filtered by filter pressure regulator 19, process tracheae 20 entered in the air bag of expecting in the alms bowl fixed mount 18 upper gasbag securing members 21, by the air pressure that filter regulator 19 is regulated in the air bag, air bag is expanded and contraction, and it is also fixing to expect that alms bowl 12 places on the grinding plate 11; Start drive motor 1, drive input shaft 3, speed change rotation when making output shaft 5, transmission eccentric block 6 do the irregular curve motion by universal joint 4 again around output shaft 5 by belt transmission 2.
As shown in Figure 3, transmission eccentric block 6 does not contact with grinding plate 11 lower surfaces.Because bearing 7 itself does not rotate, this moment, sleeve 8 was just under its hole inner bearing 7 drives, only vibrate in the horizontal direction with the irregular curve motion of output shaft 5, be fixed in the vibration that the grinding plate 11 on the sleeve 8 produces various amplitude in the horizontal direction thereby drive, cause abrasive disk 13 constantly to collide, the sample particle in the material alms bowl 12 is diminished with material alms bowl 12.
Specific embodiment two.Be Fig. 6 with the difference of embodiment one, grinding plate 11 lower surfaces are pressed on the transmission eccentric block 6, to produce friction force between the two at this moment, because transmission eccentric block 6 is speed change rotation simultaneously under the drive of output shaft 5, under the effect of friction force, grinding plate 11 just constantly rocks in the horizontal direction, produces than large amplitude; Output shaft 5 around himself doing irregular circular motion, will produce difference in height at vertical direction simultaneously, add the gravity of grinding plate and last parts itself thereof, and grinding plate 11 also produces amplitude simultaneously at vertical direction.Grinding plate 11 produces amplitude with vertical direction in the horizontal direction thus, causes abrasive disk constantly to collide with the material alms bowl, and the sample particle in the material alms bowl is diminished.
After being ground to the schedule time, regulate the air bag fastener 21 of baric systerm, will expect that alms bowl 12 takes out from grinding plate 11; Sample after the position that moves on to check will be ground takes out.
The friction force of grinding plate 11 lower surfaces and transmission eccentric block 6 is big, so amplitude is bigger, and impact is bigger.Grinding object and the grindings different according to coal, ore etc. require to select the embodiment that is fit to and expect alms bowl 12 and abrasive disk 13.
Claims (10)
1. an eccentric grinder is characterized in that comprising drive unit, gearing, input shaft, universal joint, output shaft, bearing, transmission eccentric block, sleeve, main body rack device, spring, grinding plate, material alms bowl, material alms bowl lid, abrasive disk, material alms bowl fastener; Wherein drive unit links to each other with input shaft by gearing, and input shaft, output shaft link to each other with the universal joint two ends respectively, the transmission eccentric block be fixed on the output shaft and the center of gravity of the two at vertical direction not point-blank; Grinding plate has hollow base, and hollow base is fixedlyed connected with the sleeve upper surface, and sleeve upper surface center has circular hole, and the bearing of output shaft bottom just falls within the hole; Along the circumferential direction be connected by some springs equably between the table top of grinding plate and the main body rack device, material alms bowl fastener will expect that alms bowl is fixed on the grinding plate, and abrasive disk places in the material alms bowl cavity, and material alms bowl lid tightly covers is expecting on the alms bowl.
2. eccentric grinder according to claim 1 is characterized in that described grinding plate lower surface is pressed on the transmission eccentric block.
3. eccentric grinder according to claim 2 it is characterized in that described transmission eccentric block upper surface is fixed with friction pad, and the friction factor of this friction pad is greater than the friction factor of transmission eccentric block upper surface.
4. eccentric grinder according to claim 1 is characterized in that having on the described abrasive disk eccentric orfice that departs from the center of circle.
5. eccentric grinder according to claim 1 is characterized in that being provided with in the described eccentric orfice stingy hand structure.
6. according to each described eccentric grinder of claim 1 to 5, it is characterized in that described material alms bowl fastener comprises material alms bowl fixed mount and baric systerm, baric systerm is made up of air bag fastener, filter regulator, tracheae.
7. according to each described eccentric grinder of claim 1 to 5, it is characterized in that described material alms bowl covers to be provided with O-ring seal.
8. according to as each described eccentric grinder of claim 1 to 5, it is characterized in that described eccentric grinder has also adopted the hoisting apparatus that comprises baric systerm.
9. according to as each described eccentric grinder of claim 1 to 5, it is characterized in that on the described main body rack device and the corresponding place of sleeve, be fixed with the plate of encircling for protection.
10. according to as each described eccentric grinder of claim 1 to 5, it is characterized in that having on the described sleeve wall some viewports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202248843U CN201488909U (en) | 2009-08-21 | 2009-08-21 | Eccentric grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202248843U CN201488909U (en) | 2009-08-21 | 2009-08-21 | Eccentric grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201488909U true CN201488909U (en) | 2010-05-26 |
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ID=42427782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202248843U Expired - Fee Related CN201488909U (en) | 2009-08-21 | 2009-08-21 | Eccentric grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201488909U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618224A (en) * | 2016-01-29 | 2016-06-01 | 中国石油大学(华东) | Shale grinder |
| CN107008559A (en) * | 2017-04-27 | 2017-08-04 | 安徽华宏机械设备有限公司 | A kind of power plant coal processing unit |
| CN107627173A (en) * | 2017-10-10 | 2018-01-26 | 浙江旋东阀门有限公司 | Plug valve grinding machine |
| CN109387412A (en) * | 2018-10-29 | 2019-02-26 | 张祝 | The fine automatic grinding control method for grinding native device |
| CN116754335A (en) * | 2023-08-21 | 2023-09-15 | 南通戴尔诺斯生物科技有限公司 | Sample pretreatment device applied to immunochromatography |
-
2009
- 2009-08-21 CN CN2009202248843U patent/CN201488909U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618224A (en) * | 2016-01-29 | 2016-06-01 | 中国石油大学(华东) | Shale grinder |
| CN107008559A (en) * | 2017-04-27 | 2017-08-04 | 安徽华宏机械设备有限公司 | A kind of power plant coal processing unit |
| CN107008559B (en) * | 2017-04-27 | 2018-12-21 | 安徽华宏机械设备有限公司 | A kind of power plant coal processing unit |
| CN107627173A (en) * | 2017-10-10 | 2018-01-26 | 浙江旋东阀门有限公司 | Plug valve grinding machine |
| CN109387412A (en) * | 2018-10-29 | 2019-02-26 | 张祝 | The fine automatic grinding control method for grinding native device |
| CN109387412B (en) * | 2018-10-29 | 2021-01-29 | 苏州萨伯工业设计有限公司 | Automatic grinding control method of fine soil grinding device |
| CN116754335A (en) * | 2023-08-21 | 2023-09-15 | 南通戴尔诺斯生物科技有限公司 | Sample pretreatment device applied to immunochromatography |
| CN116754335B (en) * | 2023-08-21 | 2023-10-24 | 南通戴尔诺斯生物科技有限公司 | Sample pretreatment device applied to immunochromatography |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120821 |