CN204658176U - A kind of power spindle assembly justifying grinding machine - Google Patents
A kind of power spindle assembly justifying grinding machine Download PDFInfo
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- CN204658176U CN204658176U CN201520227032.5U CN201520227032U CN204658176U CN 204658176 U CN204658176 U CN 204658176U CN 201520227032 U CN201520227032 U CN 201520227032U CN 204658176 U CN204658176 U CN 204658176U
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Abstract
The utility model discloses a kind of power spindle assembly justifying grinding machine, comprising: spindle drum, main spindle front bearing lid, main shaft, spindle end nut, little round nut, large round nut, grinding wheel stand, emery wheel fixed block, mainshaft rear bearing lid, belt pulley, electric baseboard, motor adjusting rod, motor mounting plate, little bearing, little inner shield ring, little outer back-up ring, large bearing, large inner shield ring and large outer back-up ring.Main shaft front and back end connects main spindle front bearing lid and mainshaft rear bearing lid respectively, the conical section of main shaft stretches out outside spindle drum, cone surface cover has grinding wheel stand, emery wheel fixed block is installed outside grinding wheel stand, spindle nose installs spindle end nut, main shaft tail installs belt pulley, in the inside of spindle drum, a pair large bearing is installed, a pair large round nut, little a pair bearing, little a pair round nut, large inner shield ring and large outer back-up ring are wherein installed between two large bearings, little inner shield ring and little outer back-up ring are installed between two little bearings, motor is arranged on motor mounting plate, electric baseboard is arranged on spindle drum top by fastening bolt.
Description
Technical field:
The utility model relates to equipment for grinding technical field, relates to a kind of power spindle assembly justifying grinding machine in particular.
Background technology:
The power spindle assembly of circle grinding machine is the core processing component of whole round grinding machine, its one end is that belt pulley is connected to motor, one end coordinates the rotation of installation emery wheel to process by grinding wheel stand and emery wheel fixed block, but the power spindle assembly ubiquity airtight performance of circle grinding machine is not good at present, main shaft rotates the shortcoming of unstable easily vibrations after using a period of time, how design motivation spindle assemblies can make it can also keep be a problem demanding prompt solution service life of prolonged-stability power spindle assembly under the most important condition meeting normal grinding.
Utility model content:
The purpose of this utility model is exactly the deficiency for prior art, and a kind of power spindle assembly of round grinding machine of high stability is provided, its structure is simple, operates steadily, process easy for installation, the operation of circle grinding machine can be made more smooth and easy and the service life of prolongation power spindle assembly.
Technology solution of the present utility model is as follows:
Justify a power spindle assembly for grinding machine, comprising: spindle drum, main spindle front bearing lid, main shaft, spindle end nut, little round nut, large round nut, grinding wheel stand, emery wheel fixed block, mainshaft rear bearing lid, belt pulley, electric baseboard, motor adjusting rod, motor mounting plate, little bearing, little inner shield ring, little outer back-up ring, large bearing, large inner shield ring, large outer back-up ring.Main shaft front and back end connects main spindle front bearing lid and mainshaft rear bearing lid respectively, main shaft is installed in spindle drum center, the conical section of main shaft stretches out outside spindle drum, cone surface cover has grinding wheel stand, emery wheel fixed block is installed outside grinding wheel stand, at the head of main shaft, spindle end nut is installed to be used for locking emery wheel fixed block, the afterbody of main shaft is installed belt pulley and is connected to motor, in the inside of spindle drum, a pair large bearing is installed on the surface of main shaft successively from main spindle front bearing lid to the position of mainshaft rear bearing lid, a pair large round nut, little a pair bearing, little a pair round nut, large inner shield ring and large outer back-up ring are wherein installed between two large bearings, little inner shield ring and little outer back-up ring are installed between two little bearings, motor is arranged on motor mounting plate, motor mounting plate to be fixed on electric baseboard and adjustable motor height by motor adjusting rod, electric baseboard is arranged on spindle drum top by fastening bolt.
Preferred as technique scheme, large bearing is angular contact ball bearing 7014, and little bearing is angular contact ball bearing 7012.
Preferred as technique scheme, spindle end nut is the locking nut of stainless steel material.
Preferred as technique scheme, emery wheel fixed block has the M8 screwed hole of six band countersunk heads and one
unthreaded hole.
Preferred as technique scheme, grinding wheel stand has six M8 screwed holes and one
unthreaded hole.
Preferred as technique scheme, the material of main shaft is 40Cr, modifier treatment.
The beneficial effects of the utility model are: in spindle drum, emery wheel end installs a pair large angular contact ball bearing 7014 additional, pulley end installs little a pair angular contact ball bearing 7012 additional and can weaken radial load suffered by main shaft and axial load, grinding wheel stand and emery wheel fixed block are by six M8 bolt-lockings, easy to loading and unloading, these design the service life and the simplicity increasing part replacement that effectively extend circle grinding machine power spindle assembly.
Accompanying drawing illustrates:
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is main apparent direction structural representation of the present utility model;
Fig. 3 of the present utility modelly overlooks direction structure schematic diagram;
Fig. 4 is the emery wheel fixed-block-architecture (FBA) schematic diagram in the utility model;
Fig. 5 is the grinding wheel stand structural representation in the utility model;
Fig. 6 is A-A cross section structure schematic diagram in Fig. 2;
In figure, 1, spindle drum; 2, main spindle front bearing lid; 3, main shaft; 4, spindle end nut; 5, little round nut; 6, large round nut; 7, grinding wheel stand; 8, emery wheel fixed block; 10, mainshaft rear bearing lid; 11, belt pulley; 12, electric baseboard; 13, motor adjusting rod; 14, motor mounting plate; 15, little bearing; 16, little inner shield ring; 17, little outer back-up ring; 18, large bearing; 19, large inner shield ring; 20, large outer back-up ring.
Detailed description of the invention:
Embodiment: by particular specific embodiment, embodiment of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by content disclosed in the present specification.
See shown in Fig. 1 to Fig. 4, justify a power spindle assembly for grinding machine, comprising: spindle drum 1, main spindle front bearing lid 2, main shaft 3, spindle end nut 4, little round nut 5, large round nut 6, grinding wheel stand 7, emery wheel fixed block 8, mainshaft rear bearing lid 10, belt pulley 11, electric baseboard 12, motor adjusting rod 13, motor mounting plate 14, little bearing 15, little inner shield ring 16, little outer back-up ring 17, large bearing 18, large inner shield ring 19, large outer back-up ring 20.Spindle drum 1 front and back end connects main spindle front bearing lid 2 and mainshaft rear bearing lid 10 respectively, main shaft 3 is installed in spindle drum 1 center, the conical section of main shaft 3 stretches out outside spindle drum 1, cone surface cover has grinding wheel stand 7, emery wheel fixed block 8 is installed outside grinding wheel stand 7, both are fixed by six bolts, the face of cylinder of grinding wheel stand 7 is used for installing emery wheel, emery wheel is coordinated fixing by the protruding block of grinding wheel stand 7 and emery wheel fixed block 8, at the head of main shaft 3, spindle end nut 4 is installed to be used for locking emery wheel fixed block 8, the afterbody of main shaft 3 is installed belt pulley 11 and is connected to motor, in the inside of spindle drum 1, a pair large bearing 18 is installed successively from the position of main spindle front bearing lid 2 to mainshaft rear bearing lid 10 in the surface of main shaft 3, a pair large round nut 6, little a pair bearing 15, little a pair round nut 5, large inner shield ring 19 and large outer back-up ring 20 are wherein installed between two large bearings 18, little inner shield ring 16 and little outer back-up ring 17 are installed between two little bearings 15, motor is arranged on motor mounting plate 14, motor mounting plate 14 to be fixed on electric baseboard 12 and adjustable motor height by motor adjusting rod 13, electric baseboard 12 is arranged on spindle drum 1 top by fastening bolt.
As shown in Figure 6, all angular contact ball bearing is adopted for the large and small two pairs of bearings carrying huge radial load, mounted in pairs angular contact ball bearing can bear radial direction, axially two-way connected load based on radial load, also pure radial load can be born, precompressed interference is had after installation, lasso and steel ball are in axial preload state, thus improve whole group of bearing as single support stiffness and running accuracy, large bearing 18 is angular contact ball bearing 7014, and little bearing 15 is angular contact ball bearing 7012.
See shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 6, the spindle end nut 4 of fastening emery wheel fixed block 8 adopts the stop nut of stainless steel material.This nut is made up of two parts, each part has staggered cam, because inner wedge-type design slope rake angle is greater than nut angle, this combination just tightly be bited into an entirety, when there being vibration to occur, the mutual changing of the relative positions of nut bossing, produces lifting tension force, thus reaches locking effect.
See shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, emery wheel fixed block 8 has six band M8 screwed holes 801 of countersunk heads and one
unthreaded hole 802.Emery wheel fixed block 8 is fixedly connected with by six bolts with grinding wheel stand 7, because emery wheel likely needs because of wearing and tearing to change, and bolt dismounting easy to connect, and be connected firmly, have at emery wheel fixed block 8 end face in addition
unthreaded hole, in order to carry lubricating oil, can play lubrication to bearing parts.
See shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 5, grinding wheel stand 7 has six M8 screwed holes 701 and one
unthreaded hole 702.。The grinding wheel stand 7 installing emery wheel in neck location coordinates with emery wheel fixed block 8 sideslip preventing emery wheel by bolt tightening, be provided with the distribution of six bolt circumferences between grinding wheel stand 7 and emery wheel holder 8, easy to loading and unloading.Unthreaded hole 702 is for logical machine oil to two pair bearing place.
As shown in Figure 6, the material of main shaft 3 is 40Cr, modifier treatment.40Cr after modifier treatment has good comprehensive mechanical property, good low-temperature impact toughness and low notch sensitivity, may be used for manufacturing the main shaft part with high case hardness and wearability.
Described embodiment in order to illustrative the utility model, but not for limiting the utility model.Any those skilled in the art all without prejudice under spirit of the present utility model and category, can modify to described embodiment, therefore rights protection scope of the present utility model, should listed by claim of the present utility model.
Claims (6)
1. justify the power spindle assembly of grinding machine for one kind, it is characterized in that, comprise: spindle drum (1), main spindle front bearing lid (2), main shaft (3), spindle end nut (4), little round nut (5), large round nut (6), grinding wheel stand (7), emery wheel fixed block (8), mainshaft rear bearing lid (10), belt pulley (11), electric baseboard (12), motor adjusting rod (13), motor mounting plate (14), little bearing (15), little inner shield ring (16), little outer back-up ring (17), large bearing (18), large inner shield ring (19), large outer back-up ring (20), spindle drum (1) front and back end connects main spindle front bearing lid (2) and mainshaft rear bearing lid (10) respectively, main shaft (3) is installed in spindle drum (1) center, the conical section of main shaft (3) stretches out spindle drum (1) outward, cone surface cover has grinding wheel stand (7), emery wheel fixed block (8) is installed outside grinding wheel stand (7), at the head of main shaft (3), spindle end nut (4) is installed, the afterbody of main shaft (3) installs belt pulley (11), in the inside of spindle drum (1), a pair large bearing (18) is installed successively from main spindle front bearing lid (2) to the position of mainshaft rear bearing lid (10) in the surface of main shaft (3), a pair large round nut (6), little a pair bearing (15), little a pair round nut (5), large inner shield ring (19) and large outer back-up ring (20) are wherein installed between two large bearings (18), little inner shield ring (16) and little outer back-up ring (17) are installed between two little bearings (15), motor is arranged on motor mounting plate (14), motor mounting plate (14) is fixed on the upper also adjustable motor height of electric baseboard (12) by motor adjusting rod (13), electric baseboard (12) is arranged on spindle drum (1) top by fastening bolt.
2. the power spindle assembly of round grinding machine according to claim 1, is characterized in that: large bearing (18) is angular contact ball bearing 7014, and little bearing (15) is angular contact ball bearing 7012.
3. the power spindle assembly of round grinding machine according to claim 1, is characterized in that: the locking nut that spindle end nut (4) is stainless steel material.
4. the power spindle assembly of round grinding machine according to claim 1, is characterized in that: emery wheel fixed block (8) has six band M8 screwed holes (801) of countersunk heads and one
unthreaded hole (802).
5. the power spindle assembly of round grinding machine according to claim 4, is characterized in that: grinding wheel stand (7) has six M8 screwed holes (701) and one
unthreaded hole (702).
6. the power spindle assembly of round grinding machine according to claim 1, is characterized in that: the material of main shaft (3) is 40Cr, modifier treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227032.5U CN204658176U (en) | 2015-04-15 | 2015-04-15 | A kind of power spindle assembly justifying grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227032.5U CN204658176U (en) | 2015-04-15 | 2015-04-15 | A kind of power spindle assembly justifying grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204658176U true CN204658176U (en) | 2015-09-23 |
Family
ID=54128609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520227032.5U Expired - Fee Related CN204658176U (en) | 2015-04-15 | 2015-04-15 | A kind of power spindle assembly justifying grinding machine |
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| Country | Link |
|---|---|
| CN (1) | CN204658176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772696A (en) * | 2015-04-15 | 2015-07-15 | 吴江市宏宇机械有限公司 | Power main shaft assembly of round grinding machine |
| CN108639927A (en) * | 2018-06-06 | 2018-10-12 | 浙江运达风电股份有限公司 | A kind of Wind turbines large main-bearing hot jacket pre-tightening apparatus |
-
2015
- 2015-04-15 CN CN201520227032.5U patent/CN204658176U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772696A (en) * | 2015-04-15 | 2015-07-15 | 吴江市宏宇机械有限公司 | Power main shaft assembly of round grinding machine |
| CN108639927A (en) * | 2018-06-06 | 2018-10-12 | 浙江运达风电股份有限公司 | A kind of Wind turbines large main-bearing hot jacket pre-tightening apparatus |
| CN108639927B (en) * | 2018-06-06 | 2024-01-23 | 运达能源科技集团股份有限公司 | Large main bearing hot jacket pre-tightening device of wind turbine generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160415 |