CN86204112U - Manual grinding device - Google Patents
Manual grinding device Download PDFInfo
- Publication number
- CN86204112U CN86204112U CN 86204112 CN86204112U CN86204112U CN 86204112 U CN86204112 U CN 86204112U CN 86204112 CN86204112 CN 86204112 CN 86204112 U CN86204112 U CN 86204112U CN 86204112 U CN86204112 U CN 86204112U
- Authority
- CN
- China
- Prior art keywords
- emery wheel
- moving
- quiet
- grinding
- grinding wheel
- 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.)
- Ceased
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model provides an improved manual grinding device, which is suitable for grinding granular material, such as rice, bean, etc. The utility model is composed of a movable grinding wheel, a stationary grinding wheel, a casing, a hopper, a rockerarm, etc. The manual grinding device is characterized in that a pair of inner grinding wheel and outer grinding wheel which are respectively and tightly matched with an outer cone and an inner cone are decrease the axial pressure and the rotation moment of force, the inner grinding wheel and outer grinding wheel are provided with different grain size segment combination, the grinding effect of the grinding wheels is improved, thereby, the efficiency of the device is improved effectively, and the labor intensity of operating staff is decreased.
Description
The utility model relates to a kind of improved hand abrasive dust device.
Known hand abrasive dust device is made up of moving emery wheel, quiet emery wheel, hopper, casing and rocking arm etc., and its moving emery wheel and quiet emery wheel are discoidal.This class device is the end face contact that relies on dynamic and static emery wheel, does relative motion, and applies certain axial compressive force, makes grinding charge grind.But the shortcoming of this class device is: (a) can be ground in order to make grinding charge, must apply bigger axial compressive force on axis direction.(b) has the sufficiently long process that grinds in order to guarantee grinding charge, can be fully by levigate, and it is too little that the diameter of emery wheel just can not be done, and it is bigger then to make emery wheel rotate needed moment.
Task of the present utility model provides a kind of improved hand abrasive dust device, solves known existing axial compressive force of hand abrasive dust device and the big shortcoming of rotating torque, to improve the efficient of device.
The utility model is finished as follows: dynamic and static emery wheel is designed to a pair of cylindrical taper and the inner conical close fit of being respectively, and have the inside and outside emery wheel that multiple different grain size segmentation is made up, thereby produce a conical abradant surface with multiple different grain size segmentation combination.This emery wheel will produce following good effect: (a) is decomposed into the component of two different directions to the normal pressure on the abradant surface, i.e. axial thrust load and radial component, and wherein radial component will be offset voluntarily in emery wheel inside, thus reduced axial compressive force.(b) can correspondingly reduce the diameter of emery wheel, thereby reduce the rotating torque of emery wheel under the situation of the abrasion path of area that keeps certain abradant surface and grinding charge.(c) adopted the mode of multiple different grain size segmentation combination, improved the grinding effect of emery wheel.
Device provided by the utility model and known device are relatively, the advantage that has is: (a) is owing to reduced axial compressive force, then to casing, emery wheel etc. in addition the requirement of the mechanical strength of part reduced, make cost to descend, also reduced the frictional force between casing and the emery wheel simultaneously.(b) improved the grinding effect of emery wheel owing to reduced the rotating torque of emery wheel, makes the efficient of device increase, and alleviated labor intensity of operating personnel.
Concrete structure of the present utility model is elaborated by following example and accompanying drawing thereof.
Fig. 1 is the cutaway view according to the hand abrasive dust device that the utility model proposes.
Fig. 2 is by the part section enlarged drawing of figure one shown device along the A-A line.
Have the moving emery wheel (3) of cylindrical taper of some helicla flutes (15) and power transmission shaft (7) gluing with reference to one, one in figure together.One end of power transmission shaft (7) is square, can socket-connect with rocking arm (8), and the other end is equipped with a feed worm (11).With moving emery wheel (3) close fit be a quiet emery wheel (10) that has the inner conical of some straight troughs (14).Quiet emery wheel (10) is glued in cover (2).Moving emery wheel (3), quiet emery wheel (10) and cover (2) are contained in the casing (4), fix cover (2) with clamp-screw (1).Between moving emery wheel (3) and the casing (4) spring (5) and back-up ring (6) are housed, are used to control the pressure between moving emery wheel (3) and the quiet emery wheel (10).Adjustment screw (12) is fixed on hopper (9) on the casing (4) on the one hand, is used for regulating the pressure between quiet emery wheel (10) and the moving emery wheel (3) on the other hand.Hold-down screw (13) is fixed on device on the edge or other support of desk.
The material of moving emery wheel (3) and quiet emery wheel (10) is made up of china clay and abrasive material, and adopt varigrained abrasive material and china clay to mix respectively, segmentation adds the mould compacting, form through high temperature sintering, the compound mode of its granularity thickness is: (I) Qu Weixi, (II) Qu Weizhong, (III) district is for thick.The content of china clay is 30-70%.Sintering temperature is 1200 ℃-1400 ℃.
The coning angle of moving emery wheel (3) and quiet emery wheel (10) is 20 °-90 °.The shape of helicla flute (15) and straight trough (14) is by shown in the figure two.Arrow (16) is meant the rotation direction of moving emery wheel (3).
Claims (4)
1, a kind of hand abrasive dust device is by casing (4), hopper (9), moving emery wheel (3), quiet emery wheel (10), power transmission shaft (7) and rocking arm (8) are formed, it is characterized in that glued moving emery wheel (3) on power transmission shaft (7) is a cylindrical taper emery wheel that has some helicla flutes (15), being enclosed within moving emery wheel (3) quiet emery wheel (10) outer and that be fixed in the casing (4) is an inner conical emery wheel that has some straight troughs (14), can form one between moving emery wheel (3) and the quiet emery wheel (10) and make the conical abradant surface of friction motion relatively.
2, by the described hand abrasive dust device of claim 1, it is characterized in that the material of moving emery wheel (3) and quiet emery wheel (10) is made up of china clay and abrasive material, the content of its china clay is 30-70%.
3,, it is characterized in that moving emery wheel (3) and quiet emery wheel (10) are a pair of emery wheels that multiple different grain size segmentation combines that has by claim 1 or 2 described hand abrasive dust devices.
4,, it is characterized in that the coning angle of moving emery wheel (3) and quiet emery wheel (10) is 20 °-90 ° by the described hand abrasive dust device of claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86204112 CN86204112U (en) | 1986-06-10 | 1986-06-10 | Manual grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86204112 CN86204112U (en) | 1986-06-10 | 1986-06-10 | Manual grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86204112U true CN86204112U (en) | 1987-08-05 |
Family
ID=4807248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86204112 Ceased CN86204112U (en) | 1986-06-10 | 1986-06-10 | Manual grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86204112U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879468A (en) * | 2010-06-30 | 2010-11-10 | 王永福 | Dense-teeth grinding head for powdering coarse cereals |
| CN104858004A (en) * | 2015-06-07 | 2015-08-26 | 史自鹏 | Device used for grinding wheat |
| CN108905833A (en) * | 2018-06-17 | 2018-11-30 | 卢乐 | A kind of medicinal powder magnetization mixer |
-
1986
- 1986-06-10 CN CN 86204112 patent/CN86204112U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879468A (en) * | 2010-06-30 | 2010-11-10 | 王永福 | Dense-teeth grinding head for powdering coarse cereals |
| CN104858004A (en) * | 2015-06-07 | 2015-08-26 | 史自鹏 | Device used for grinding wheat |
| CN108905833A (en) * | 2018-06-17 | 2018-11-30 | 卢乐 | A kind of medicinal powder magnetization mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |
Termination date: 19880217 |
|
| CE01 | Termination of patent right |