CN206230292U - A kind of hydraulic power head - Google Patents
A kind of hydraulic power head Download PDFInfo
- Publication number
- CN206230292U CN206230292U CN201621338706.XU CN201621338706U CN206230292U CN 206230292 U CN206230292 U CN 206230292U CN 201621338706 U CN201621338706 U CN 201621338706U CN 206230292 U CN206230292 U CN 206230292U
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- CN
- China
- Prior art keywords
- driven shaft
- housing
- shaft sleeve
- driving axle
- axle housing
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model is related to a kind of hydraulic power head, including housing and the driving axle housing and driven shaft being rotatably connected in housing；Described driving axle housing one end slides axially with driven shaft one end and is arranged, and radially interlocks with the rotation；The other end of the driving axle housing extends outside housing and is rotatably connected to a stabilizer by clutch shaft bearing；The stabilizer is fixedly connected with the casing；Fixation is arranged with synchronous pulley on driving axle housing between the stabilizer and housing；The synchronous pulley is linked with external motor rotating shaft by Timing Belt；The driven shaft other end is provided with the drill chuck for being detachably connected drill bit；Driven shaft middle part is outer to be arranged with a driven shaft sleeve；Driven shaft sleeve passes through multiple inner rings fixations and is set in outside driven shaft with driven shaft, and outer ring is fixed on the second bearing radial rotating connection on driven shaft sleeve inwall, and axially linkage is slided；The driven shaft sleeve encloses the annular cylinder to form sealing with inner walls；One fixes the piston being set in outside driven shaft sleeve slides in oil cylinder interior sealing.
Description
Technical field
The utility model is related to a kind of hydraulic power head, belongs to processing machinery field.
Background technology
Unit head can realize main motion and feed motion, and have the power part of automatic workpiece circulation.Fairly simple
One variable transmission mechanism, form is varied, and general principle is exactly that motor drives a gear shift, it is possible to achieve boring
Cut, milling, the function such as drilling, have with guide rail, can be with the linear motion of small range；Unit head can divide according to feeding power
It is mechanical power head and hydraulic power head, hydraulic power head has the advantages that feeding is steady, accurate compared with mechanical power head, existing
Some hydraulic power heads are typically rotated using external motor by belt wheel drive shaft, and rotating shaft can be made rotating shaft by the load of radial direction
There is certain bias in the course of the work, not only cause larger mismachining tolerance, and rotating shaft abrasion is quick；Additionally, in reality
In process, it is often necessary to which unit head is horizontal to putting, due to common unit head only one of which hydraulic stroke flow speed control valve, institute
With two it is horizontal to unit head its hydraulic stroke flow speed control valve for putting respectively in different sides, one of hydraulic stroke flow speed control valve
Needs could be adjusted around the machine back side.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of hydraulic power head, and the hydraulic power head can have
Effect solves hydraulic power head rotating shaft and is subject to the mismachining tolerance and wear problem of radial load generation, and facilitates many hydraulic powers
Head adjusts respective hydraulic stroke flow speed control valve when being applied in combination.
The technical solution of the utility model is as follows：
A kind of hydraulic power head, including housing and the driving axle housing and driven shaft being rotatably connected in housing；The active
Axle sleeve one end slides axially with driven shaft one end and is arranged, and radially interlocks with the rotation；The other end of the driving axle housing extends housing
Outward and a stabilizer is rotatably connected to by clutch shaft bearing；The stabilizer is fixedly connected with the casing；The stabilizer and housing
Between driving axle housing on fixation be arranged with synchronous pulley；The synchronous pulley is linked with external motor rotating shaft by Timing Belt；
The driven shaft other end is provided with the drill chuck for being detachably connected drill bit；Driven shaft middle part is outer to be arranged with a driven shaft sleeve；From
Moving axis is covered to be fixed by multiple inner rings with driven shaft and is set in outside driven shaft, and outer ring is fixed on the second axle on driven shaft sleeve inwall
Radial rotating connection is held, axially linkage is slided；The driven shaft sleeve encloses the annular cylinder to form sealing with inner walls；One consolidates
Surely the piston being set in outside driven shaft sleeve is slided in oil cylinder interior sealing；It is symmetrical by symmetrical centre of driven shaft on the housing exterior walls
It is provided with two hydraulic stroke flow speed control valves of regulation oil cylinder oil inlet speed.
Wherein, driven shaft is axially fixed with the part driven shaft outer peripheral face that driving axle housing is arranged and is provided with multiple first cunnings
Key；Driving axle housing inwall is provided with the chute coordinated with the first feather key.
Wherein, the inner walls be fixedly installed annular be slidingly sealed block；It is described to be slidingly sealed block and driven shaft sleeve
Outer wall sealing slip is arranged；The block that is slidingly sealed is arranged on oil cylinder two ends.
Wherein, also slided with driven shaft sleeve and be arranged in one end driving axle housing periphery that the driving axle housing is arranged with driven shaft；
The driving axle housing outer wall is provided with the first step coordinated with driven shaft sleeve end；The driven shaft sleeve inwall is provided with actively
The second step that sleeve end coordinates.
Wherein, oil cylinder is separated into the first oil pocket and the second oil pocket by the piston；First oil pocket is by embedded the
One oil duct is respectively communicated with two hydraulic stroke flow speed control valves；Second oil pocket connects outer liquid and presses oil by the second embedded oil duct
Road.
Wherein, it is interrupted fixation along driven shaft sleeve outer circumference surface spirality in the part that the driven shaft sleeve is arranged with driving axle housing
It is provided with the second feather key；The inner walls are provided with the spiral ramp coordinated with the second feather key.
Wherein, second feather key and driven shaft sleeve axis angle are 5 ° ~ 40 °.
Wherein, second feather key and driven shaft sleeve axis angle are 30 °.
Wherein, the spiral of second feather key is identical along counter clockwise direction along the rotation counterclockwise with driven shaft；Institute
State driven shaft sleeve and the dial for indicating rotational angle is provided with the end of drill chuck side.
Wherein, the side face of piston ring is respectively provided with elasticity layer.
The utility model has the advantages that：
1st, a kind of hydraulic power head of the utility model can effectively solve hydraulic power head rotating shaft and be produced by radial load
Mismachining tolerance and wear problem, and facilitate many hydraulic power heads that respective hydraulic stroke speed governing is adjusted when being applied in combination
Valve.
2nd, a kind of hydraulic power head of the utility model is provided with stabilizer, can play a part of to support driving axle housing, prevents
Only driving axle housing is because of radial load formation eccentric rotary.
3rd, a kind of hydraulic power head of the utility model is provided with Double-hydraulic stroke speed adjusting valve, in many hydraulic power head combinations
Use, it is such as horizontal to putting when, convenient regulation hydraulic stroke flow speed control valve.
4th, a kind of hydraulic power head of the utility model is provided with the second feather key in driven shaft sleeve and coordinates with housing, in liquid
When pressure power head works, can be by feather key and the drill chuck recoil strength certain against power counteracting of slideway；And can pass through
Dial indicates its rotational angle to determine feeding distance, hydraulic pressure oil inlet quantity, drill chuck recoil distance, or even hydraulic oil in prediction on such basis
The data such as pressure.
5th, a kind of hydraulic power head of the utility model sets elasticity layer；Certain cushioning effect can be played, prevents anti-
Active force excessive too fast infringement oil cylinder and piston.
6th, the second feather key spirality interruption that a kind of hydraulic power head of the utility model is set is set, and both ensure that the second cunning
The function of key, can reduce frictional force again, reduce the limitation that helical structure is radially slided to driven shaft sleeve.
Brief description of the drawings
Fig. 1 is a kind of schematic cross-sectional view of hydraulic power head of the utility model；
Fig. 2 is a kind of schematic diagram of the feather key of hydraulic power head second of the utility model.
Reference is expressed as in figure：
1- housings, 11- are slidingly sealed block, 12- slideways, 2- driving axle housings, 21- clutch shaft bearings, 22- synchronous pulleys, 23-
One step, 3- driven shafts, 31- drill chucks, 32- second bearings, the feather keys of 33- first, 4- stabilizers, 5- driven shaft sleeves, 51- oil
Cylinder, the oil pockets of 511- first, the oil pockets of 512- second, 52- pistons, 53- second steps, the oil ducts of 54- first, the oil ducts of 55- second, 56-
Second feather key, 6- hydraulic stroke flow speed control valves.
Specific embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of hydraulic power head, including housing 1 and the He of driving axle housing 2 being rotatably connected in housing 1
Driven shaft 3；The one end of the driving axle housing 2 slides axially with the one end of driven shaft 3 and is arranged, and radially interlocks with the rotation, and it realizes that structure is：
Driven shaft 3 is axially fixed with the outer peripheral face of part driven shaft 3 that driving axle housing 2 is arranged and is provided with multiple first feather keys 33；Actively
The inwall of axle sleeve 2 is provided with the chute coordinated with the first feather key 33；In the axial direction, the first feather key 33 is connected with slide, and
Radially, the first feather key 33 is embedded in chute, and the rotation of driving axle housing 2 will be driven by the cooperation of chute and the first feather key 33
Driven shaft 3 is rotated.
The other end of the driving axle housing 2 extends outside housing 1 and is rotatably connected to a stabilizer by clutch shaft bearing 21
4；The stabilizer 4 is fixedly connected with housing 1；Fixation is arranged with same on driving axle housing 2 between the stabilizer 4 and housing 1
Step belt wheel 22；The synchronous pulley 22 is linked with external motor rotating shaft by Timing Belt；Hydraulic power head can be effectively solved to turn
Axle is subject to the mismachining tolerance and wear problem of radial load generation.
The other end of the driven shaft 3 is provided with the drill chuck 31 for being detachably connected drill bit；Drill chuck 31 is standard component, can be with
Various sizes of drill bit is connected, the processing head of other species, such as milling head, bistrique etc. can also be connected；
The middle part of driven shaft 3 is outer to be arranged with a driven shaft sleeve 5；Driven shaft sleeve 5 passes through multiple inner rings fixations and is arranged with driven shaft 3
Outside driven shaft 3, outer ring is fixed on the radial rotating of second bearing 32 connection on the inwall of driven shaft sleeve 5, and axially linkage is slided；Institute
State driven shaft sleeve 5 and enclose the annular cylinder 51 to form sealing with the inwall of housing 1；One fixes the piston being set in outside driven shaft sleeve 5
52 slide in the interior sealing of oil cylinder 51；Hydraulic oil enters oil cylinder 51 and promotes piston 52 to slide in the oil cylinder 51, piston 52 drive from
Moving axis set 5 is moved along the radial, and driven shaft sleeve 5 drives driven shaft 3 to move along the radial, so as to the feeding for realizing drill chuck 31 is adjusted
Section；With driven shaft 3 for symmetrical centre is symmetrically arranged with the hydraulic pressure row that two regulation oil cylinders 51 enter speed oil on the outer wall of the housing 1
Journey flow speed control valve 6；The fuel feed hole of the hydraulic stroke flow speed control valve 6 is respectively communicated with oil cylinder 51.
Further, the inwall of the housing 1 be fixedly installed annular be slidingly sealed block 11；It is described be slidingly sealed block 11 with
The sealing slip of the outer wall of driven shaft sleeve 5 is arranged；The block 11 that is slidingly sealed is arranged on the two ends of oil cylinder 51.
Further, also slided with driven shaft sleeve 5 periphery of one end driving axle housing 2 that the driving axle housing 2 is arranged with driven shaft 3
It is dynamic to be arranged；The outer wall of the driving axle housing 2 is provided with the first step 23 coordinated with the end of driven shaft sleeve 5；In the driven shaft sleeve 5
Wall is provided with the second step 53 of the end of driving axle housing 2 cooperation；First step 23 makes driving axle housing 2 with the setting of second step 53
Slip can be located remotely from each other with driven shaft sleeve 5, it is close to each other against preventing from replying driven shaft sleeve 5 and driven shaft 3 because of excessive oil return
Excessively.
Further, oil cylinder 51 is separated into the first oil pocket 511 and the second oil pocket 512 by the piston 52；First oil
Chamber 511 is respectively communicated with two hydraulic stroke flow speed control valves 6 by the first embedded oil duct 54；Second oil pocket 512 is by embedded
The second oil duct 55 connection external hydraulic oil duct；The hydraulic oil of external hydraulic oil duct forms flow speed control valve 6 and enters first by hydraulic pressure
Oil pocket 511, drives driven shaft sleeve 5 and driven shaft 3 to be fed to the side direction of drill chuck 31；When needing to reply feeding, discharge first
Hydraulic oil in oil pocket 511, the hydraulic oil of external hydraulic oil duct enters the second oil pocket 512 by the second oil duct 55, promotes piston
52 reply position.
Further, the part that the driven shaft sleeve 5 is arranged with driving axle housing 2 is along the outer circumference surface spirality of driven shaft sleeve 5
Interruption is fixedly installed the second feather key 56；The inwall of the housing 1 is provided with the spiral ramp 12 coordinated with the second feather key 56；Institute
The spiral for stating the second feather key 56 is identical along counter clockwise direction along the rotation counterclockwise with driven shaft 3；The driven shaft sleeve 5 exists
The end of the side of drill chuck 31 is provided with the dial for indicating rotational angle；When piston 52 drives driven shaft sleeve 5 to slide, due to
The cooperation of the feather key 56 of spiral ramp 12 and second between driven shaft sleeve 5 and housing 1, driven shaft sleeve 5 will be in sliding process
Rotate simultaneously, dial is that may indicate that amount of spin, such that it is able to be converted into the amount of feeding；It is prior, when drill chuck 31
During to Workpiece boring, reaction force can be produced, the reaction force will be by oil cylinder 51 and piston 52 in existing hydraulic power head
Stress undertakes, and the Structural strength calls of sealing and piston 52 to oil cylinder 51 are high, easily loses oil cylinder 51 and the fatigue of piston 52
Effect, the structure for coordinating slideway 12 using the second feather key 56 can be by the greatly reaction force by the second feather key 56 and slideway
12 cooperation undertakes, and reduces infringement of the reaction force to hydraulic power head；And due in this course, driven shaft sleeve
5 can produce certain rotation, can by dial clear indication amount of spin, and be converted into reaction force generation reply away from
From, machined parameters are set with this, further, it is also possible to this judges the pressure of hydraulic oil in oil cylinder 51 as reference, judge oil cylinder 51
With the state of piston 52.
Further, second feather key 56 and the axis angle of driven shaft sleeve 5 are 5 ° ~ 40 °, and the angle can ensure driven
Second feather key 56 that moves axially through of axle sleeve 5 diametrically has component with the fit structure of slideway 12.
Further, second feather key 56 and the axis angle of driven shaft sleeve 5 are 30 °, under the angle, driven shaft sleeve 5
Axial movement and radial rotating there is good conversion, and undertake reaction force and can be realized between being axially moved preferable
Balance.
Further, the both ends of the surface of the piston 52 are respectively provided with elasticity layer；Certain cushioning effect can be played, is prevented
Reaction force excessive too fast infringement oil cylinder 51 and piston 52.
Operation principle of the present utility model：
Regulation hydraulic stroke flow speed control valve 6, makes the hydraulic oil of external hydraulic oil duct enter in the first oil pocket 511, and promote work
Plug 52 is slided in oil cylinder 51, so as to drive driven shaft sleeve 5 and driven shaft 3 to be fed to the side direction of drill chuck 31；It is fed into and sets
After set a distance, start external motor, drive synchronous pulley 22 to rotate by Timing Belt, synchronous pulley 22 drives 2 turns of driving axle housing
Dynamic, driving axle housing 2 drives driven shaft 3 to rotate, and driven shaft 3 drives the bit operation installed on drill chuck 31；Need to reply position
When, the hydraulic oil in the first oil pocket 511 of discharge, the hydraulic oil of external hydraulic oil duct enters the second oil pocket by the second oil duct 55
512, promote piston 52 to reply position.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of hydraulic power head, it is characterised in that：Including housing (1) and the driving axle housing (2) being rotatably connected in housing (1)
With driven shaft (3)；Described driving axle housing (2) one end slides axially with driven shaft (3) one end and is arranged, and radially interlocks with the rotation；It is described
The other end of driving axle housing (2) extends housing (1) outward and is rotatably connected to a stabilizer (4) by clutch shaft bearing (21)；Institute
Stabilizer (4) is stated to be fixedly connected with housing (1)；Fixed cover on driving axle housing (2) between the stabilizer (4) and housing (1)
It is provided with synchronous pulley (22)；The synchronous pulley (22) is linked with external motor rotating shaft by Timing Belt；The driven shaft (3) is another
One end is provided with the drill chuck (31) for being detachably connected drill bit；Driven shaft (3) middle part is outer to be arranged with a driven shaft sleeve (5)；It is driven
Axle sleeve (5) is fixed by multiple inner rings with driven shaft (3) and is set in driven shaft (3) outward, and outer ring is fixed on driven shaft sleeve (5) inwall
On second bearing (32) radial rotating connection, axially linkage slide；The driven shaft sleeve (5) encloses shape with housing (1) inwall
Into the annular cylinder (51) of sealing；One fixation is set in driven shaft sleeve (5) piston (52) outward and is slided in oil cylinder (51) interior sealing；
With driven shaft (3) for symmetrical centre is symmetrically arranged with the liquid that two regulations oil cylinder (51) enter speed oil on housing (1) outer wall
Pressure stroke speed adjusting valve (6).
2. a kind of hydraulic power head as claimed in claim 1, it is characterised in that：Driven shaft (3) is arranged with driving axle housing (2)
Part driven shaft (3) outer peripheral face is axially fixed and is provided with multiple first feather keys (33)；Driving axle housing (2) inwall is provided with and
The chute that one feather key (33) coordinates.
3. a kind of hydraulic power head as claimed in claim 2, it is characterised in that：Housing (1) inwall is fixedly installed ring
Shape is slidingly sealed block (11)；The block (11) that is slidingly sealed is arranged with the sealing slip of driven shaft sleeve (5) outer wall；The slip is close
Envelope block (11) is arranged on oil cylinder (51) two ends.
4. a kind of hydraulic power head as claimed in claim 3, it is characterised in that：The driving axle housing (2) covers with driven shaft (3)
If one end driving axle housing (2) periphery also with driven shaft sleeve (5) slide be arranged；Driving axle housing (2) outer wall be provided with from
The first step (23) that moving axis set (5) end coordinates；Driven shaft sleeve (5) inwall is provided with the cooperation of driving axle housing (2) end
Second step (53).
5. a kind of hydraulic power head as claimed in claim 4, it is characterised in that：Be separated into for oil cylinder (51) by the piston (52)
First oil pocket (511) and the second oil pocket (512)；First oil pocket (511) is respectively communicated with by the first oil duct (54) for embedding
Two hydraulic stroke flow speed control valves (6)；Second oil pocket (512) connects outer liquid and presses oil by the second oil duct (55) for embedding
Road.
6. a kind of hydraulic power head as described in claim 1 to 5 any claim, it is characterised in that：The driven shaft sleeve
(5) part being arranged with driving axle housing (2) is fixedly installed the second feather key along driven shaft sleeve (5) outer circumference surface spirality interruption
(56)；Housing (1) inwall is provided with the spiral ramp (12) coordinated with the second feather key (56).
7. a kind of hydraulic power head as claimed in claim 6, it is characterised in that：Second feather key (56) and driven shaft sleeve
(5) axis angle is 5 ° ~ 40 °.
8. a kind of hydraulic power head as claimed in claim 7, it is characterised in that：Second feather key (56) and driven shaft sleeve
(5) axis angle is 30 °.
9. a kind of hydraulic power head as claimed in claim 8, it is characterised in that：The spiral of second feather key (56) is along the inverse time
Pin direction is identical along counter clockwise direction with the rotation of driven shaft (3)；End of the driven shaft sleeve (5) in drill chuck (31) side
It is provided with the dial for indicating rotational angle.
10. a kind of hydraulic power head as described in claim 7 to 9 any claim, it is characterised in that：The piston (52)
Both ends of the surface are respectively provided with elasticity layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621338706.XU CN206230292U (en) | 2016-12-08 | 2016-12-08 | A kind of hydraulic power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621338706.XU CN206230292U (en) | 2016-12-08 | 2016-12-08 | A kind of hydraulic power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206230292U true CN206230292U (en) | 2017-06-09 |
Family
ID=58978354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621338706.XU Withdrawn - After Issue CN206230292U (en) | 2016-12-08 | 2016-12-08 | A kind of hydraulic power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206230292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475832A (en) * | 2016-12-08 | 2017-03-08 | 福州兴诺机械工业有限公司 | A kind of hydraulic power head |
| CN108555026A (en) * | 2018-05-15 | 2018-09-21 | 浙江辛子精工机械股份有限公司 | A kind of mandril pre-rotation high-precision punch |
-
2016
- 2016-12-08 CN CN201621338706.XU patent/CN206230292U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475832A (en) * | 2016-12-08 | 2017-03-08 | 福州兴诺机械工业有限公司 | A kind of hydraulic power head |
| CN106475832B (en) * | 2016-12-08 | 2018-08-14 | 福州兴诺机械工业有限公司 | A kind of hydraulic power head |
| CN108555026A (en) * | 2018-05-15 | 2018-09-21 | 浙江辛子精工机械股份有限公司 | A kind of mandril pre-rotation high-precision punch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170609 Effective date of abandoning: 20180814 |
|
| AV01 | Patent right actively abandoned |