CN207592799U - A kind of air cooling air pressure main shaft holder - Google Patents
A kind of air cooling air pressure main shaft holder Download PDFInfo
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- CN207592799U CN207592799U CN201721773822.9U CN201721773822U CN207592799U CN 207592799 U CN207592799 U CN 207592799U CN 201721773822 U CN201721773822 U CN 201721773822U CN 207592799 U CN207592799 U CN 207592799U
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- babinet
- rotary shaft
- bearing block
- bushing
- main shaft
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Abstract
The utility model provides a kind of air cooling air pressure main shaft holder, belongs to field of mechanical technique.It solves the problems, such as that existing main shaft holder service life is short.This air cooling air pressure main shaft holder includes babinet, bearing block and piston are equipped in babinet, stomata one and stomata two are offered on babinet, rotary shaft is equipped in bearing block, the outer end of rotary shaft is fixed with synchronous pulley, two deep groove ball bearings are provided between rotary shaft and bearing, bushing is provided in piston, one end of bushing is stretched into rotary shaft to be connected between the other end and piston by thrust bearing one, it is first that elastic clip is equipped in bushing, elastic collet two is provided in rotary shaft, the inner end of elastic collet two with elastic clip is first is connected by screw thread, several grooves are offered in the outer perimeter wall of bearing block, gas distribution ring is provided in the groove of inner terminal, the stomata three being connected with the groove of bearing block inner terminal is offered on babinet.The advantages of the utility model has good cooling results, and service life is long.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of holder, more particularly to a kind of air cooling air pressure main shaft holder.
Background technology
Main shaft holder is for clamping pole class workpiece, being widely used on lathe, and type is various, and application is most at present
Be elastic collet, elastic collet is a kind of conical structure, and multiple openings are provided on the generatrix direction of circular cone, by by bullet
Property collet be placed in conehead main shaft, and cause elastic collet relative to conehead main axle moving can be achieved with elastic collet to work
Part steps up and loosens.
But the actuating unit of driving elastic collet movement currently on the market is complicated, clamping efficiency is low, and big
Double deep groove ball bearings is used as transmission support during turning, once hitting knife, bearing will to be damaged, led more
Processing is caused to lose precision.The structure can not also bear big cutting force, only can be used in the finishing of part.And due in work
Bearing bears pressure during work, leads to bearing heating, has seriously affected the operating accuracy and service life of bearing.
Invention content
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of impact resistance
By force, the air cooling air pressure main shaft holder of good heat dissipation effect, long lifespan.
The purpose of this utility model can be realized by following technical proposal：A kind of air cooling air pressure main shaft holder, including case
Body, which is characterized in that bearing block and piston are provided in babinet, is connected between bearing block and babinet by screw, the axis
The cylinder chamber moved left and right for piston is installed between bearing and babinet, offers what is be connected with cylinder chamber on the babinet
Stomata one and stomata two are provided with the rotary shaft of hollow form in the bearing block, and the outer end of rotary shaft is stretched out outside babinet, and
The external end of revolving spindle outlet is fixed with the synchronous pulley that it can be driven to rotate, and is set between the rotary shaft and bearing
Two deep groove ball bearings are provided with the bushing of hollow form in the piston, and one end of bushing stretches into the other end in rotary shaft
It is connected between piston by thrust bearing one, is provided with that elastic clip is first, and the outer end that elastic clip is first in the bushing
It is taper fit between portion and the inner wall of bushing, elastic collet two is provided with, and elastic collet two is interior in the rotary shaft
End stretch into bushing with elastic clip is first is connected by screw thread, between the outer end of elastic collet two and the inner wall of rotary shaft
For taper fit, several grooves are offered in the outer perimeter wall of the bearing block, are provided in the groove of inner terminal
Gas distribution ring with ventilatory function is further opened with the stomata being connected with the groove of bearing block inner terminal on the babinet
Three.
In a kind of above-mentioned air cooling air pressure main shaft holder, also set up between the inner end and bearing block of the rotary shaft
There is thrust bearing two, be arranged with the pressure of two axial position of limit thrust bearing on the bushing at the inner end of rotary shaft
Ring.
In a kind of above-mentioned air cooling air pressure main shaft holder, bearing block is formed several heat dissipations by several described grooves
Piece offers the gas pilot hole being communicated with the outside on the cooling fin.
In a kind of above-mentioned air cooling air pressure main shaft holder, the first junction with elastic collet two of the elastic clip is opened
Equipped with keyway, it is equipped on the bushing and the matched key of keyway.The structure is as guiding and rotary drive.
In a kind of above-mentioned air cooling air pressure main shaft holder, it is arranged on the bushing and is fixedly connected with the outer end face of piston
Gland.
In a kind of above-mentioned air cooling air pressure main shaft holder, it is close that the junction of the babinet and piston is provided with several
The junction of seal, the babinet and bearing block is provided with the junction of several sealing rings, the piston and bearing block
It is also equipped with sealing ring, the junction of the bushing and rotary shaft is also equipped with sealing ring.
In a kind of above-mentioned air cooling air pressure main shaft holder, if offering what is be connected with box house on the babinet
Dry grease injection hole.
Compared with prior art, this air cooling air pressure main shaft holder does groove processing on bearing block and forms several heat dissipations
Piece is passed through cold air in stomata three and takes the heat gathered on bearing block out of sky by gas pilot hole by gas distribution ring again
It in gas, solves the problems, such as fever, extends the service life of bearing；Thrust bearing two is added between bushing and piston,
Thrust bearing is added between rotary shaft and bearing block, to offset from axial cutting force and impact force, increases other two
The service life of a deep groove ball bearing.
Description of the drawings
Fig. 1 is the dimensional structure diagram of this air cooling air pressure main shaft holder.
Fig. 2 is the schematic cross-sectional view of this air cooling air pressure main shaft holder.
In figure, 1, babinet；2nd, bearing block；3rd, piston；4th, cylinder chamber；5th, stomata one；6th, stomata two；7th, rotary shaft；8th, it is same
Walk belt wheel；9th, deep groove ball bearing；10th, bushing；11st, thrust bearing one；12nd, elastic clip is first；13rd, elastic collet two；14th, ditch
Slot；15th, gas distribution ring；16th, stomata three；17th, thrust bearing two；18th, pressure ring；19th, cooling fin；20th, gas pilot hole；21、
Keyway；22nd, key；23rd, gland；24th, sealing ring；25th, grease injection hole.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, this air cooling air pressure main shaft holder includes babinet 1, and bearing block 2 and piston are provided in babinet 1
3, it is connected between bearing block 2 and babinet 1 by screw, the gas moved left and right for piston 3 is installed between bearing block 2 and babinet 1
Cylinder chamber 4 offers the stomata 1 being connected with cylinder chamber 4 and stomata 26 on babinet 1, hollow form is provided in bearing block 2
Rotary shaft 7, the outer end of rotary shaft 7 are stretched out outside babinet 1, and the end stretched out outside babinet 1 of rotary shaft 7 is fixed with can drive its rotation
The synchronous pulley 8 turned is provided with two deep groove ball bearings 9, the lining of hollow form is provided in piston 3 between rotary shaft 7 and bearing
Set 10, one end of bushing 10 is stretched into rotary shaft 7 to be connected between the other end and piston 3 by thrust bearing 1, in bushing 10
Elastic clip first 12 is provided with, and is taper fit between the outer end of elastic clip first 12 and the inner wall of bushing 10, rotary shaft 7
Elastic collet 2 13 is inside provided with, and the inner end of elastic collet 2 13 stretches into bushing 10 and passes through screw thread with elastic clip first 12
It is connected, is taper fit between the outer end of elastic collet 2 13 and the inner wall of rotary shaft 7, in the outer perimeter wall of bearing block 2
Several grooves 14 are offered, the gas distribution ring 15 with ventilatory function, babinet 1 are provided in the groove 14 of inner terminal
On be further opened with the stomata 3 16 being connected with the groove 14 of 2 inner terminal of bearing block, the inner end and bearing block 2 of rotary shaft 7 it
Between be additionally provided with thrust bearing 2 17, be arranged with 2 17 axis of limit thrust bearing at the inner end of rotary shaft 7 on bushing 10
To the pressure ring 18 of position, elastic clip first 12 and the junction of elastic collet 2 13 offer keyway 21, are equipped on bushing 10
With 21 matched key 22 of keyway, key 22 is as guiding and rotary driving member.
The operation principle of this air cooling air pressure main shaft holder is as follows：It clamps air pressure and cylinder chamber 4 is entered by stomata 1, push and live
Plug 3 does pinching action outward, and piston 3 pushes bushing 10 and the collet one of taper fit, first 12 He of elastic clip are done with bushing 10
Elastic collet 2 13 is the bullet for being provided with groove 14 using key 22 as guiding and rotary driving member, elastic collet by being threadedly coupled
Property collet, clamping to workpiece is realized under the action of bushing 10, otherwise unclamps air pressure and cylinder chamber 4 is entered with same by stomata 26
The operation principle of sample realizes the release to workpiece；Synchronous pulley 8 drives rotary shaft 7 to rotate under the action of outer driving force, rotation
Axis 7 rotates under the support of deep groove ball bearing 9 and thrust bearing, and rotary force acts on to elastic clip is first 12, bullet by key 22
Property collet 2 13 and bushing 10 are rotated.
It further describes in detail, in order to make the heat dissipation effect of this air cooling air pressure main shaft holder more preferable, several grooves 14 are by bearing
Seat 2 forms several cooling fins 19, and the gas pilot hole 20 being communicated with the outside is offered on cooling fin 19.
Further describe in detail, in order to make the better tightness of this air cooling air pressure main shaft holder, be arranged on its bushing 10 with
The gland 23 that the outer end face of piston 3 is fixedly connected with, the junction of babinet 1 and piston 3 are provided with several sealing rings 24, babinet 1 with
The junction of bearing block 2 is provided with several sealing rings 24, and piston 3 and the junction of bearing block 2 are also equipped with sealing ring 24, serve as a contrast
Set 10 and the junction of rotary shaft 7 are also equipped with sealing ring 24.
Further describe in detail, the service life in order to allow this air cooling air pressure main shaft holder is longer, opened up on its babinet 1 with
Several grease injection holes 25 being connected inside babinet 1 can inject the lubrication that lubricant grease realizes internal each parts.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of air cooling air pressure main shaft holder, including babinet（1）, which is characterized in that babinet（1）Inside it is provided with bearing block（2）With
Piston（3）, bearing block（2）With babinet（1）Between be connected by screw, the bearing block（2）With babinet（1）Between be installed with
For piston（3）The cylinder chamber moved left and right（4）, the babinet（1）On offer and cylinder chamber（4）The stomata one being connected
（5）With stomata two（6）, the bearing block（2）Inside it is provided with the rotary shaft of hollow form（7）, rotary shaft（7）Outer end stretch out
Babinet（1）Outside, and rotary shaft（7）Stretch out babinet（1）Outer end is fixed with the synchronous pulley that it can be driven to rotate（8）, it is described
Rotary shaft（7）Two deep groove ball bearings are provided between bearing（9）, the piston（3）Inside it is provided with the lining of hollow form
Set（10）, bushing（10）One end stretch into rotary shaft（7）The interior other end and piston（3）Between pass through thrust bearing one（11）Phase
Even, the bushing（10）It is first to be inside provided with elastic clip（12）, and elastic clip is first（12）Outer end and bushing（10）'s
It is taper fit between inner wall, the rotary shaft（7）Inside it is provided with elastic collet two（13）, and elastic collet two（13）It is interior
Bushing is stretched into end（10）It is interior first with elastic clip（12）It is connected by screw thread, elastic collet two（13）Outer end and rotation
Axis（7）Inner wall between for taper fit, the bearing block（2）Outer perimeter wall on offer several grooves（14）, position
In the groove of inner terminal（14）In be provided with the gas distribution ring with ventilatory function（15）, the babinet（1）On also open up
Have and bearing block（2）The groove of inner terminal（14）The stomata three being connected（16）.
A kind of 2. air cooling air pressure main shaft holder according to claim 1, which is characterized in that the rotary shaft（7）It is interior
End and bearing block（2）Between be additionally provided with thrust bearing two（17）, the bushing（10）Upper close rotary shaft（7）Inner end
Limit thrust bearing two is arranged at portion（17）The pressure ring of axial position（18）.
A kind of 3. air cooling air pressure main shaft holder according to claim 1, which is characterized in that several described grooves（14）
By bearing block（2）Form several cooling fins（19）, the cooling fin（19）On offer the gas being communicated with the outside and lead
Xiang Kong（20）.
4. a kind of air cooling air pressure main shaft holder according to claim 1, which is characterized in that the elastic clip is first（12）
With elastic collet two（13）Junction offer keyway（21）, the bushing（10）On be equipped with and keyway（21）It matches
Key（22）.
A kind of 5. air cooling air pressure main shaft holder according to claim 1, which is characterized in that the bushing（10）On be arranged
Have and piston（3）The gland that is fixedly connected with of outer end face（23）.
A kind of 6. air cooling air pressure main shaft holder according to claim 1, which is characterized in that the babinet（1）With piston
（3）Junction be provided with several sealing rings（24）, the babinet（1）With bearing block（2）Junction be provided with it is several
A sealing ring（24）, the piston（3）With bearing block（2）Junction be also equipped with sealing ring（24）, the bushing
（10）With rotary shaft（7）Junction be also equipped with sealing ring（24）.
A kind of 7. air cooling air pressure main shaft holder according to claim 1, which is characterized in that the babinet（1）On open up
Have and babinet（1）Several grease injection holes that inside is connected（25）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773822.9U CN207592799U (en) | 2017-12-18 | 2017-12-18 | A kind of air cooling air pressure main shaft holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773822.9U CN207592799U (en) | 2017-12-18 | 2017-12-18 | A kind of air cooling air pressure main shaft holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207592799U true CN207592799U (en) | 2018-07-10 |
Family
ID=62765888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721773822.9U Active CN207592799U (en) | 2017-12-18 | 2017-12-18 | A kind of air cooling air pressure main shaft holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207592799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986390A (en) * | 2019-04-16 | 2019-07-09 | 东创智能装备(深圳)有限公司 | A kind of ultra-thin rotary guide sleeve |
| CN111906490A (en) * | 2020-07-29 | 2020-11-10 | 北京圣龙博睿科技有限公司 | Unlimited rotary water-cooling clamping mechanism |
-
2017
- 2017-12-18 CN CN201721773822.9U patent/CN207592799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986390A (en) * | 2019-04-16 | 2019-07-09 | 东创智能装备(深圳)有限公司 | A kind of ultra-thin rotary guide sleeve |
| CN111906490A (en) * | 2020-07-29 | 2020-11-10 | 北京圣龙博睿科技有限公司 | Unlimited rotary water-cooling clamping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220401 Address after: 317507 801-1 (West), pu'ao Industrial Zone, RuoHeng Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Taizhou Tailong Technology Co.,Ltd. Address before: 317500 Room 101, unit 1, building 7, Lane 60, Jinping Road, Taiping Street, Wenling City, Taizhou City, Zhejiang Province Patentee before: WENLING BOFU TRADE CO.,LTD. |
|
| TR01 | Transfer of patent right |