CN105817995B - A kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder - Google Patents
A kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder Download PDFInfo
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- CN105817995B CN105817995B CN201610406159.2A CN201610406159A CN105817995B CN 105817995 B CN105817995 B CN 105817995B CN 201610406159 A CN201610406159 A CN 201610406159A CN 105817995 B CN105817995 B CN 105817995B
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- main shaft
- sleeve
- rack sleeve
- emery wheel
- rack
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The present invention relates to a kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder, including spindle drum, rack sleeve, main shaft, emery wheel and spindle motor, rack sleeve is set in spindle drum, main shaft is arranged in rack sleeve by main shaft bearing, the front end of rack sleeve is provided with drive end bearing bracket, drive end bearing bracket is locked on the outer ring of the main shaft bearing of rack sleeve front end, the front end of main shaft is provided with locking nut, locking nut is locked on the inner ring of the main shaft bearing of rack sleeve front end, the front end of main shaft is connected with ring flange, emery wheel is installed on ring flange, emery wheel is pressed on ring flange by emery wheel gland, the rear end of rack sleeve is provided with rear end cap, expansion sleeve is also equipped between the rear end outer wall of rack sleeve and the inwall of spindle drum, the rear end of rack sleeve is further fixed on compression plate, compression plate is pressed on expansion sleeve, the output shaft of spindle motor is connected with spindle drive.The advantage of the invention is that：It is easy for installation and the requirement of high linear speed can be realized.
Description
Technical field
The present invention relates to cylindrical grinder equipment technical field, particularly a kind of machinery based on axial workpiece cylindrical grinder is main
Axis mechanism.
Background technology
Cylindrical grinder is to process outer surface and the shaft shoulder end face that workpiece cylinder, cone or the plain line of other shapes are transformed into
Grinding machine.As high accuracy, the increase of high rigidity machine components quantity, and hot investment casting precision forging technology develop, performance of grinding machine,
Variety yield all improves constantly growth.
The Excircle machining of axial workpiece, generally using cylindrical grinder, the main shaft of the height of heel cylindrical grinder of its part quality
Structure has much relations.At present, cylindrical grinder generally uses dynamic and static pressure mainshaft mechanism, and its Technical comparing is ripe.However, with system
The development of technology is made, the processing request more and more higher to part is, it is necessary to which mainshaft mechanism has higher rigid, higher rotating speed rotating speed
To reach required high linear speed, dynamic and static pressure mainshaft mechanism is because of the shortcoming of itself, it is impossible to meet more high rigidity, more high linear speed
It is required that.Therefore, high rigidity how is realized, the mainshaft mechanism of high linear speed is a difficult point.
The content of the invention
It is an object of the invention to overcome the shortcoming of prior art, there is provided a kind of easy for installation and can realize high linear speed
It is required that the mechanical main shaft mechanism based on axial workpiece cylindrical grinder.
The purpose of the present invention is achieved through the following technical solutions：A kind of mechanical main shaft based on axial workpiece cylindrical grinder
Mechanism, including spindle drum, rack sleeve, main shaft, emery wheel and spindle motor, rack sleeve are set in spindle drum, and main shaft passes through
Main shaft bearing is arranged in rack sleeve, and the front end of rack sleeve is provided with drive end bearing bracket, and drive end bearing bracket is locked at rack sleeve front end
Main shaft bearing outer ring on, the front end of main shaft is provided with locking nut, and locking nut is locked at the main shaft of rack sleeve front end
On the inner ring of bearing, the front end of main shaft, which is connected with ring flange, ring flange, is provided with emery wheel, and emery wheel pressure is fixed with ring flange
Emery wheel is pressed on ring flange by lid, emery wheel gland, and the rear end of rack sleeve is provided with rear end cap, the rear end outer wall of rack sleeve
Expansion sleeve is also equipped between the inwall of spindle drum, the rear end of rack sleeve is further fixed on compression plate, and compression plate is pressed on swollen
Tightly put, spindle motor is arranged on spindle drum, and the output shaft of spindle motor is connected with spindle drive.
Further, the front end of described rack sleeve is also equipped with wheel guard, and wheel guard is covered on emery wheel.
Further, described spindle motor is connected by shaft coupling with main shaft.
Further, described expansion sleeve includes inner conical drogue and external conical sleeve, the inwall of inner conical drogue and the outer wall of rack sleeve
Coordinate, the outer wall of inner conical drogue and the inwall of external conical sleeve are the conical surface, and the outer wall of inner conical drogue and the inwall of external conical sleeve coordinate, external conical sleeve
Outer wall and the inwall of spindle drum coordinate, compression plate is pressed on the end face of external conical sleeve.
The present invention has advantages below：
1st, drive end bearing bracket, locking nut, main shaft bearing, main shaft, rear end cap are arranged on rack sleeve, constitute a main shaft list
Member, then the main axle unit is loaded in spindle drum, and fixed by expansion sleeve, it is easily installed, dismantle and repairs.
2nd, the main axle unit is arranged on spindle drum, and rack sleeve front end flange end face fits to hold with spindle drum front end face
Face is positioned, and rear end expansion sleeve is arranged between rack sleeve and spindle drum, is compressed expansion sleeve by compression plate, is made main axle unit in footpath
To positioning, so as to ensure the axially and radially precision of main axle unit.
3rd, main axle unit tail end is directly driven by shaft joint and spindle motor direct connection by spindle motor, reduces middle ring
Section, saving installing space, raising efficiency, and obtain high rotating speed to improve linear velocity.
4th, emery wheel is arranged on ring flange, is compressed by emery wheel gland, emery wheel can use corundum wheel or CBN emery wheels, with suitable
The need for answering different materials, different linear velocities.
5th, ring flange 4 be arranged on main shaft on, ring flange rear end face has a groove, make when being installed with main shaft ring flange try one's best with
Main shaft front support is located proximate to, to obtain high rigidity.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is mplifying structure schematic diagram at the A in Fig. 1；
In figure：1- spindle drums, 2- rack sleeves, 3- main shafts, 4- main shaft bearings, 5- locking nuts, 6- drive end bearing brackets, 7- flanges
Disk, 8- emery wheels, 9- emery wheel glands, 10- rear end caps, 11- expansion sleeves, 12- compression plates, 13- spindle motors, 14- shaft couplings, 15-
Wheel guard, 16- inner conical drogues, 17- external conical sleeves.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
State.
As shown in figure 1, a kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder, including spindle drum 1, rack sleeve
2nd, main shaft 3, emery wheel 8 and spindle motor 13, rack sleeve 2 are set in spindle drum 1, and main shaft 3 is arranged on master by main shaft bearing 4
In shaft sleeve 2, the front end of rack sleeve 2 is provided with drive end bearing bracket 6, and drive end bearing bracket 6 is locked at the main shaft bearing 4 of the front end of rack sleeve 2
Outer ring on, the front end of main shaft 3 is provided with locking nut 5, and locking nut 5 is locked at the main shaft bearing 4 of the front end of rack sleeve 2
On inner ring, the front end of main shaft 3, which is connected with ring flange 7, ring flange 7, is provided with emery wheel 8, and emery wheel gland is fixed with ring flange 7
9, emery wheel 8 is pressed on ring flange 7 by emery wheel gland 9, and the rear end of rack sleeve 2 is provided with after rear end cap 10, rack sleeve 2
Expansion sleeve 11 is also equipped between end outer wall and the inwall of spindle drum 1, the rear end of rack sleeve 2 is further fixed on compression plate 12, pressure
Tight disk 12 is pressed on expansion sleeve 11, and spindle motor 13 is arranged on spindle drum 1, and output shaft and the main shaft 3 of spindle motor 13 are passed
Dynamic connection.
Preferably, the front end of described rack sleeve 2 is also equipped with wheel guard 15, and wheel guard 15 covers at emery wheel 8
On.
Preferably, described spindle motor 13 is connected by shaft coupling 14 with main shaft 3, main shaft 3 by shaft coupling 14 with
Spindle motor 13 is direct-connected, is directly driven by spindle motor 13, cuts down the number of intermediate links, saves installing space, improves efficiency, and obtains
High rotating speed is obtained to improve linear velocity.
As shown in Fig. 2 described expansion sleeve 11 includes inner conical drogue 16 and external conical sleeve 17, the inwall and collar bush of inner conical drogue 16
The outer wall of cylinder 2 coordinates, and the outer wall of inner conical drogue 16 and the inwall of external conical sleeve 17 are the conical surface, outer wall and the external conical sleeve 17 of inner conical drogue 16
Inwall coordinate, the inwall of the outer wall of external conical sleeve 17 and spindle drum 1 coordinates, and compression plate 12 is pressed on the end face of external conical sleeve 17,
Make main axle unit in radial positioning, so as to ensure the axially and radially precision of main axle unit.
The rear end face of ring flange 7 has a groove, when being fixedly mounted with main shaft 3, makes front support of the ring flange 7 as far as possible with main shaft 3
It is located proximate to, there can be higher rigidity.
Claims (3)
1. a kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder, it is characterised in that：Including spindle drum（1）, collar bush
Cylinder（2）, main shaft（3）, emery wheel（8）And spindle motor（13）, rack sleeve（2）It is set in spindle drum（1）It is interior, main shaft（3）Pass through
Main shaft bearing（4）Installed in rack sleeve（2）It is interior, rack sleeve（2）Front end drive end bearing bracket is installed（6）, drive end bearing bracket（6）Locking
In rack sleeve（2）The main shaft bearing of front end（4）Outer ring on, main shaft（3）Front end locking nut is installed（5）, locking screw
It is female（5）It is locked at rack sleeve（2）The main shaft bearing of front end（4）Inner ring on, main shaft（3）Front end be connected with ring flange（7）,
Ring flange（7）On emery wheel is installed（8）, ring flange（7）On be fixed with emery wheel gland（9）, emery wheel gland（9）By emery wheel（8）Pressure
Tightly in ring flange（7）On, rack sleeve（2）Rear end rear end cap is installed（10）, rack sleeve（2）Rear end outer wall and main shaft
Seat（1）Inwall between be also equipped with expansion sleeve（11）, rack sleeve（2）Rear end be further fixed on compression plate（12）, compression plate
（12）It is pressed on expansion sleeve（11）On, spindle motor（13）Installed in spindle drum（1）On, spindle motor（13）Output shaft and master
Axle（3）Drive connection；
Described expansion sleeve（11）Including inner conical drogue（16）And external conical sleeve（17）, inner conical drogue（16）Inwall and rack sleeve（2）
Outer wall coordinate, inner conical drogue（16）Outer wall and external conical sleeve（17）Inwall be the conical surface, inner conical drogue（16）Outer wall and outer cone
Set（17）Inwall coordinate, external conical sleeve（17）Outer wall and spindle drum（1）Inwall coordinate, compression plate（12）It is pressed on external conical sleeve
（17）End face on；
Main axle unit tail end is by shaft coupling（14）With spindle motor（13）Direct connection, passes through spindle motor（13）Direct drive.
2. a kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder according to claim 1, it is characterised in that：Institute
The rack sleeve stated（2）Front end be also equipped with wheel guard（15）, wheel guard（15）Cover at emery wheel（8）On.
3. a kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder according to claim 1, it is characterised in that：Institute
The spindle motor stated（13）Pass through shaft coupling（14）With main shaft（3）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406159.2A CN105817995B (en) | 2016-06-12 | 2016-06-12 | A kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406159.2A CN105817995B (en) | 2016-06-12 | 2016-06-12 | A kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105817995A CN105817995A (en) | 2016-08-03 |
| CN105817995B true CN105817995B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610406159.2A Active CN105817995B (en) | 2016-06-12 | 2016-06-12 | A kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334999A (en) * | 2016-11-05 | 2017-01-18 | 无锡机床股份有限公司 | Mounting Structure of Workpiece Spindle of aBearing Grinder |
| CN108161037A (en) * | 2018-03-20 | 2018-06-15 | 黄小芬 | The spindle assemblies structure of numerically controlled tooth grinding machine |
| CN113351935A (en) * | 2021-07-03 | 2021-09-07 | 埃华路（芜湖）机器人工程有限公司 | Structure for increasing axial length of saw blade spindle motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332570A (en) * | 1989-06-27 | 1991-02-13 | Okuma Mach Works Ltd | Tool shaft sleeve replacing-type rotary tool shaft unit |
| CN201586899U (en) * | 2009-12-21 | 2010-09-22 | 华电重工装备有限公司 | Novel internal grinding device |
| CN204053759U (en) * | 2014-07-02 | 2014-12-31 | 重庆机床(集团)有限责任公司 | A kind of high rigidity grinding spindle system |
| CN204413845U (en) * | 2015-01-27 | 2015-06-24 | 南通中南数控机床制造有限公司 | A kind of integral type electro spindle |
| CN205147999U (en) * | 2015-11-16 | 2016-04-13 | 无锡巨勇机械有限公司 | Emery wheel grinding device |
| CN205674023U (en) * | 2016-06-12 | 2016-11-09 | 成都茵普精密机械有限公司 | A kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder |
-
2016
- 2016-06-12 CN CN201610406159.2A patent/CN105817995B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332570A (en) * | 1989-06-27 | 1991-02-13 | Okuma Mach Works Ltd | Tool shaft sleeve replacing-type rotary tool shaft unit |
| CN201586899U (en) * | 2009-12-21 | 2010-09-22 | 华电重工装备有限公司 | Novel internal grinding device |
| CN204053759U (en) * | 2014-07-02 | 2014-12-31 | 重庆机床(集团)有限责任公司 | A kind of high rigidity grinding spindle system |
| CN204413845U (en) * | 2015-01-27 | 2015-06-24 | 南通中南数控机床制造有限公司 | A kind of integral type electro spindle |
| CN205147999U (en) * | 2015-11-16 | 2016-04-13 | 无锡巨勇机械有限公司 | Emery wheel grinding device |
| CN205674023U (en) * | 2016-06-12 | 2016-11-09 | 成都茵普精密机械有限公司 | A kind of mechanical main shaft mechanism based on axial workpiece cylindrical grinder |
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| CN105817995A (en) | 2016-08-03 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211206 Address after: No. 199, South Section 1, ring road, Sanhe street, Xindu District, Chengdu, Sichuan 610000 Patentee after: Chengdu Xincheng Tools Co.,Ltd. Address before: 610000 building 11, No. 333, Xingong Avenue, Xindu town, Xindu District, Chengdu City, Sichuan Province Patentee before: CHENGDU INPUO PRECISION MACHINERY Co.,Ltd. |
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