CN104289985A - Grinding device used for grinding outer circle of screw of horizontal type scroll discharge sedimentary centrifuge - Google Patents
Grinding device used for grinding outer circle of screw of horizontal type scroll discharge sedimentary centrifuge Download PDFInfo
- Publication number
- CN104289985A CN104289985A CN201410487445.7A CN201410487445A CN104289985A CN 104289985 A CN104289985 A CN 104289985A CN 201410487445 A CN201410487445 A CN 201410487445A CN 104289985 A CN104289985 A CN 104289985A
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- CN
- China
- Prior art keywords
- main shaft
- motor
- grinding
- fixed
- fixed base
- 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
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a grinding device used for grinding an outer circle of a screw of a horizontal type scroll discharge sedimentary centrifuge. The grinding device comprises a fixed bottom plate, a fixed base, a spindle and a motor, wherein the fixed base is fixed to the fixed bottom plate; the spindle is rotationally installed on the fixed base, and a grinding head is detachably fixed to one end of the spindle; the motor is installed on the fixed bottom plate, an output shaft of the motor is parallel to the spindle, the motor and the spindle are close to the two ends of the fixed bottom plate respectively, the output shaft of the motor is in transmission connection with the spindle through a transmission mechanism, and the position, located between the motor and the fixed base, of the fixed bottom plate is provided with an installation hole used for an installation shaft installed on a follow rest of a lathe. The grinding device is simple in structure, can be used for grinding the outer circle of a blade of the screw by being installed on the lathe, and lowers cost.
Description
Technical field
The present invention relates to a kind of abrasive machining device, refer to a kind of abrasive machining device of the screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge especially.
Background technology
Horizontal spiral discharge sedimentation centrifuge is the centrifuge that a kind of rotating speed is very high, rotary drum horizontal positioned by driven by motor High Rotation Speed, rotary drum inside is provided with screw rod, screw rod draws together the mandrel of hollow, this mandrel rotates and is installed in bowl and is driven by power set, the outer wall of this mandrel is provided with spiral helicine pusher blade, this pusher blade comprises cylindrical section and frustum of a cone section, feed cavity is provided with in the inner chamber of mandrel, this feed cavity is communicated with screw rod space outerpace by relief hole, gap between the blade of screw rod and drum inner wall needs strictly to control, and screw rod blade outer end portion needs to scribble coating, to reach abrasion resistant effect, therefore, need after being painted with coating to carry out grinding to the cylindrical of blade, accurately to control the gap between blade and drum inner wall.And grinding machine is not had for some and only has the manufacturer of lathe, obviously, can not need grinding for some types and remove to purchase grinding machine again, this will increase cost greatly, does not suit enterprise practical situation.
Summary of the invention
Technical problem to be solved by this invention is: the abrasive machining device providing a kind of screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge, this abrasive machining device structure is simple, can be arranged on lathe and grinding is carried out to the blade cylindrical of screw rod, reduce cost.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of abrasive machining device of the screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge, comprises fixed base plate; Be fixed on the holder on fixed base plate; Rotate the main shaft be installed on holder, one end of this main shaft is removably fixed with bistrique; Be installed on the motor on fixed base plate, the output shaft of this motor and main axis parallel, this motor and main shaft are respectively near two ends of fixed base plate, be in transmission connection by transmission mechanism between the output shaft of described motor and main shaft, fixed base plate is provided with the installing hole for being installed on the installation shaft on backrest between motor and holder.
As the preferred scheme of one, described holder comprises bearing block, the first end cap, the second end cap, two bearings, linings, described bearing block is fixed on fixed base plate, described two bearings are installed on bearing block inside, described lining is arranged between two bearings, described main shaft runs through two bearings and lining, and described first end cap and the second end cap are fixed on the two ends of bearing block.
As the preferred scheme of one, the removably of described bistrique and spindle nose is: the end of described main shaft is provided with thread segment, construction section and main shaft body, the external diameter of this thread segment, construction section and main shaft body reduces successively, step surface is defined between described installation end and main shaft body, described main shaft is set with clip plate, the plate face of this clip plate coordinates with step surface, and described bistrique is installed on construction section, and described thread segment is provided with fastening nut.
As the preferred scheme of one, splined hole is arranged in described grinding head center hole, and described installation end is arranged to the spline shaft coordinated with splined hole.
As the preferred scheme of one, described transmission mechanism is pulley transmission mechanism.
After have employed technique scheme, effect of the present invention is: this abrasive machining device utilizes motor drive shaft to rotate, and main shaft is fixed with bistrique, thus bistrique rotates, conveniently the outer end of screw rod blade is contacted, and motor and main shaft are all installed on a fixed base plate, utilize fixed base plate can be installed in the installation shaft of the follow-rest of lathe, fixed position is between motor and main shaft, whole fixed base plate stress equalization, during use, backrest is utilized to regulate the position of fixed base plate, and then regulate the position of bistrique, the external contact of itself and screw rod blade is made to carry out grinding, and screw rod is also coordinate clamping to rotate by the thimble on lathe and gripper jaw.This abrasive machining device is simple and reasonable, is applicable to lathe carries out grinding to screw rod, adds grinding machine in addition, reduce cost without the need to enterprise.
Again because splined hole is arranged in described grinding head center hole, described installation end is arranged to the spline shaft coordinated with splined hole, like that, bistrique utilize spline fitted can and main shaft between power transmission more reliable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Structural representation when Fig. 1 is the use of the embodiment of the present invention;
Fig. 2 is the sectional view of the embodiment of the present invention;
In accompanying drawing: 1. fixed base plate; 2. motor; 3. holder; 31. bearing blocks; 32. bearings; 33. linings; 34. first end caps; 35. second end caps; 4. bistrique; 5. fastening nut; 6. clip plate; 7. driven pulley; 8. installing hole; 9. screw rod; 10. main shaft.
Detailed description of the invention
Below by specific embodiment, the present invention is described in further detail.
As shown in Figure 1, 2, a kind of abrasive machining device of screw rod 9 cylindrical for grinding horizontal spiral discharge sedimentation centrifuge, comprises fixed base plate 1, and this fixed base plate 1 is rectangle; Be fixed on the holder 3 on fixed base plate 1; Rotate the main shaft 10 be installed on holder 3, one end of this main shaft 10 is removably fixed with bistrique 4; Be installed on the motor 2 on fixed base plate 1, the output shaft of this motor 2 is parallel with main shaft 10, this motor 2 and main shaft 10 are respectively near two ends of fixed base plate 1, be in transmission connection by transmission mechanism between the output shaft of described motor 2 and main shaft 10, this transmission mechanism is pulley transmission mechanism, this main shaft 10 is fixed with driven pulley 7, fixed base plate 1 is provided with the installing hole 8 for being installed on the installation shaft on backrest between motor 2 and holder 3.
Wherein, described main shaft 10 comprises main shaft 10 body and is arranged at bistrique 4 stiff end and the belt pulley stiff end at main shaft 10 body two ends, bistrique 4 stiff end then comprises thread segment, construction section and main shaft 10 body, this thread segment, the external diameter of construction section and main shaft 10 body reduces successively, step surface is defined between described installation end and main shaft 10 body, described main shaft 10 is set with clip plate 6, the plate face of this clip plate 6 coordinates with step surface, described bistrique 4 is installed on construction section, described thread segment is provided with fastening nut 5, driven pulley 7 is then fixed on main shaft 10 by belt pulley stiff end.And described bistrique 4 centre bore is arranged to splined hole, described installation end is arranged to the spline shaft coordinated with splined hole.This bistrique 4 utilizes spline shaft and splined hole to transmit power, makes the rotation of bistrique 4 more reliable.Certainly, adopt unthreaded hole and utilize clip plate 6 and fastening nut 5 to compress, bistrique 4 equally also can be driven to rotate.
Described holder 3 comprises bearing block 31, first end cap 34, second end cap 35, two bearings 32, lining 33, described bearing block 31 is fixed on fixed base plate 1, it is inner that described two bearings 32 are installed on bearing block 31, described lining 33 is arranged between two bearings 32, described main shaft 10 runs through two bearings 32 and lining 33, two bearings 32 are leaned on by a step surface of main shaft 10 and a backing plate be fixed on main shaft 10 respectively, described first end cap 34 and the second end cap 35 are fixed on the two ends of bearing block 31, this first end cap 34 and the second end cap 35 compress described bearing 32.
Claims (5)
1., for an abrasive machining device for the screw rod cylindrical of grinding horizontal spiral discharge sedimentation centrifuge, it is characterized in that: comprise fixed base plate; Be fixed on the holder on fixed base plate; Rotate the main shaft be installed on holder, one end of this main shaft is removably fixed with bistrique; Be installed on the motor on fixed base plate, the output shaft of this motor and main axis parallel, this motor and main shaft are respectively near two ends of fixed base plate, be in transmission connection by transmission mechanism between the output shaft of described motor and main shaft, fixed base plate is provided with the installing hole for being installed on the installation shaft on backrest between motor and holder.
2. the abrasive machining device of a kind of screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge as claimed in claim 1, it is characterized in that: described holder comprises bearing block, the first end cap, the second end cap, two bearings, linings, described bearing block is fixed on fixed base plate, described two bearings are installed on bearing block inside, described lining is arranged between two bearings, described main shaft runs through two bearings and lining, and described first end cap and the second end cap are fixed on the two ends of bearing block.
3. the abrasive machining device of a kind of screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge as claimed in claim 2, it is characterized in that: the removably of described bistrique and spindle nose is: the end of described main shaft is provided with thread segment, construction section and main shaft body, this thread segment, the external diameter of construction section and main shaft body reduces successively, step surface is defined between described installation end and main shaft body, described main shaft is set with clip plate, the plate face of this clip plate coordinates with step surface, described bistrique is installed on construction section, described thread segment is provided with fastening nut.
4. the abrasive machining device of a kind of screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge as claimed in claim 3, it is characterized in that: splined hole is arranged in described grinding head center hole, described installation end is arranged to the spline shaft coordinated with splined hole.
5. the abrasive machining device of a kind of screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge as claimed in claim 4, is characterized in that: described transmission mechanism is pulley transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487445.7A CN104289985A (en) | 2014-09-22 | 2014-09-22 | Grinding device used for grinding outer circle of screw of horizontal type scroll discharge sedimentary centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487445.7A CN104289985A (en) | 2014-09-22 | 2014-09-22 | Grinding device used for grinding outer circle of screw of horizontal type scroll discharge sedimentary centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104289985A true CN104289985A (en) | 2015-01-21 |
Family
ID=52310056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410487445.7A Pending CN104289985A (en) | 2014-09-22 | 2014-09-22 | Grinding device used for grinding outer circle of screw of horizontal type scroll discharge sedimentary centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104289985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869512A (en) * | 2016-09-27 | 2018-04-03 | Ntn株式会社 | Hydrodynamic bearing device shaft component and its manufacture method and Hydrodynamic bearing device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1164053A (en) * | 1956-12-28 | 1958-10-06 | Machine for the application of the milling process | |
| DE3044818A1 (en) * | 1980-11-25 | 1982-06-24 | Volkswagenwerk Ag, 3180 Wolfsburg | Profile grinder for round work - has grinding disc in fixed frame and support with vertical work feed which may lift work off conveyor |
| JPH08132338A (en) * | 1994-11-08 | 1996-05-28 | Masakazu Miyashita | Device for machining outer periphery of stepped workpiece |
| CN201064863Y (en) * | 2007-08-06 | 2008-05-28 | 河南三维重工有限公司 | Cross axle grinding machine |
| CN201677211U (en) * | 2010-03-17 | 2010-12-22 | 沈阳鼓风机集团有限公司 | Cylinder diameter abrasive tool of major diameter cylinder block |
| KR20110077547A (en) * | 2009-12-30 | 2011-07-07 | 박명환 | Grinding material fixing jig having rotation device |
| CN202169517U (en) * | 2011-07-22 | 2012-03-21 | 常州机电职业技术学院 | Slender shaft processing equipment |
| CN202556166U (en) * | 2012-05-05 | 2012-11-28 | 江苏弘腾机械制造有限公司 | Back-up roll polishing device for band steel production line |
| CN204075891U (en) * | 2014-09-22 | 2015-01-07 | 江苏捷达离心机制造有限公司 | A kind of abrasive machining device of the screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge |
-
2014
- 2014-09-22 CN CN201410487445.7A patent/CN104289985A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1164053A (en) * | 1956-12-28 | 1958-10-06 | Machine for the application of the milling process | |
| DE3044818A1 (en) * | 1980-11-25 | 1982-06-24 | Volkswagenwerk Ag, 3180 Wolfsburg | Profile grinder for round work - has grinding disc in fixed frame and support with vertical work feed which may lift work off conveyor |
| JPH08132338A (en) * | 1994-11-08 | 1996-05-28 | Masakazu Miyashita | Device for machining outer periphery of stepped workpiece |
| CN201064863Y (en) * | 2007-08-06 | 2008-05-28 | 河南三维重工有限公司 | Cross axle grinding machine |
| KR20110077547A (en) * | 2009-12-30 | 2011-07-07 | 박명환 | Grinding material fixing jig having rotation device |
| CN201677211U (en) * | 2010-03-17 | 2010-12-22 | 沈阳鼓风机集团有限公司 | Cylinder diameter abrasive tool of major diameter cylinder block |
| CN202169517U (en) * | 2011-07-22 | 2012-03-21 | 常州机电职业技术学院 | Slender shaft processing equipment |
| CN202556166U (en) * | 2012-05-05 | 2012-11-28 | 江苏弘腾机械制造有限公司 | Back-up roll polishing device for band steel production line |
| CN204075891U (en) * | 2014-09-22 | 2015-01-07 | 江苏捷达离心机制造有限公司 | A kind of abrasive machining device of the screw rod cylindrical for grinding horizontal spiral discharge sedimentation centrifuge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869512A (en) * | 2016-09-27 | 2018-04-03 | Ntn株式会社 | Hydrodynamic bearing device shaft component and its manufacture method and Hydrodynamic bearing device |
| CN107869512B (en) * | 2016-09-27 | 2022-02-01 | Ntn株式会社 | Shaft member for fluid bearing device, method for manufacturing same, and fluid bearing device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150121 |
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| RJ01 | Rejection of invention patent application after publication |