CN205551684U - But hydraulic pressure gear grinding fixture of big specification work piece of quick replacement - Google Patents
But hydraulic pressure gear grinding fixture of big specification work piece of quick replacement Download PDFInfo
- Publication number
- CN205551684U CN205551684U CN201620106661.7U CN201620106661U CN205551684U CN 205551684 U CN205551684 U CN 205551684U CN 201620106661 U CN201620106661 U CN 201620106661U CN 205551684 U CN205551684 U CN 205551684U
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- CN
- China
- Prior art keywords
- elastic expansion
- hydraulic pressure
- footstock
- oil
- sleeve
- 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- Withdrawn - After Issue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 provides a but hydraulic pressure gear grinding fixture of big specification work piece of quick replacement: including the hydro -cylinder base, the sliding ring, the supporting ring, elastic expansion sleeve, the toper dabber, the connection pad, the connecting axle, close pearl uide bushing, footstock and piston, the hydro -cylinder pedestal mounting is on rotary table, the sliding ring constitutes the sealed annular oil cavity of two independences with the hydro -cylinder base through radial cooperation, correspond oil inlet A and B respectively, it has the oil circuit to open in the hydro -cylinder base, correspond oil inlet A and B respectively, and access to two oil pockets about the piston respectively, it is even as an organic whole that the toper dabber passes through connection pad and connecting axle and piston, the close pearl uide bushing of installation between footstock and the toper dabber, elastic expansion sleeve and toper dabber coaxial arrangement, fix in hydro -cylinder base upper end, the utility model discloses press from both sides tight, as to relax work piece action and drive the extrusion of toper dabber, relax the elastic expansion sleeve realization through hydraulic oil drive RAM, can realize the quick self -holding of big specification gear, improved machining efficiency and automation of machine tools level.
Description
Technical field
This utility model relates to a kind of gear grinding machines gear grinding clamp, is specifically related to a kind of big specification plate-like roller gear mill
Tooth clamper.
Background technology
The Industry Quick Developments such as wind-powered electricity generation, marine settings, military project, need substantial amounts of big specification, in high precision Hardened gear face
Gear.For same specification, the biggest gear, working (machining) efficiency to be improved, except using Efficient lathe
Outward, it is necessary to be equipped with the gear grinding clamp that gear can be carried out quick-replaceable clamping.
Current gear grinding clamp uses manual positioning clamping mode, on the one hand, clamping force relies on and manually adjusts,
Randomness is big, it is difficult to ensure large-size workpiece reliable retention；On the other hand, clamping dismounting is long for non-cutting time, difficult
To meet the demand of Big sized gear batch machining.Meanwhile, clamping element can only one direction adjust, and dismantles gear
Time, clamping element cannot be automatically releasable gear, needs to tap gear and unclamps, when clamping force adjusts excessive, easily
Locking phenomenon occurs.Additionally, the radial deformation of clamping element is uneven, gear is caused to reduce with holder contacts area,
Location rigidity is not enough, and clamping element deflection is little, and bore uses small-gap suture to coordinate with fixture, increases
Assembly difficulty.
Summary of the invention
The purpose of this utility model is the dress the most automatically solving in big specification plate-like gear batch machining
Folder problem, it is provided that the hydraulic pressure gear grinding clamp of a kind of fast changeable large-size workpiece (such as plate-like gear).
For reaching above-mentioned purpose, this utility model have employed techniques below scheme:
This hydraulic pressure gear grinding clamp includes rotary table top and the cylinder pedestal being arranged on rotary table top, described oil cylinder
It is provided with piston in base, cylinder pedestal is provided with footstock, in footstock, be provided with connecting shaft, connecting shaft
One end be connected with piston, the other end and the taper mandrel phase that can move relative to footstock being arranged on footstock
Even, the outside of described taper mandrel is provided with the elastic expansion-sleeve being connected with described cylinder pedestal, piston and footstock
And formed between cylinder pedestal and be positioned at the oil pocket of piston both sides, cylinder pedestal be arranged at outside cylinder pedestal
There are between slip ring two independent sealed annular oil cavities, the independent sealed annular oil cavity of said two respectively with institute
State piston both sides oil pocket correspondence be connected, described slip ring is provided with two independent sealed with said two respectively
The oil-in that annular oil cavity correspondence is connected.
Described hydraulic pressure gear grinding clamp also includes the table base for supporting rotary table top, described table base
On be provided with support, described slip ring is arranged on support.
It is provided with three circle sealing rings on the internal face of described slip ring, the outside wall surface of cylinder pedestal is provided with two rings
Shape oil groove, described two circle annular oil grooves are isolated into two independent sealed annular oil cavities, oil cylinder by described sealing ring
Base can rotate relative to described slip ring.
The outside of described elastic expansion-sleeve is provided with the support ring being connected with described cylinder pedestal.
Be provided with close pearl fairlead between described taper mandrel and footstock, described taper mandrel, footstock and
Close pearl fairlead is co-axially mounted.
The inwall of described elastic expansion-sleeve has the conical surface identical with described tapered core axial cone degree.
Described elastic expansion-sleeve is axially disposed has at least 8 to be spaced equally distributed bar-shaped trough, and described bar-shaped trough leads to
Cross the gap being arranged on described elastic expansion-sleeve to connect with elastic expansion-sleeve top, inside and outside bottom described elastic expansion-sleeve
Staggered cannelure it is provided with on wall.
The beneficial effects of the utility model are embodied in:
This utility model clamping, loosen the action of workpiece drive piston driving taper mandrel to extrude by hydraulic oil,
Loosen elastic expansion-sleeve realize, the fast automatic clamping of the workpiece such as Big sized gear can be realized, improve working (machining) efficiency with
And Machinery Tool Automation level, meet large-size workpiece batch machining demand.
Further, close pearl fairlead is installed between taper mandrel described in the utility model and footstock, was formed
Being full of cooperation, eliminate radial clearance, positioning precision is high；And axially-movable is rolling pair, motion is flexible, clamping,
Loosen sensitiveer.
Further, the most uniform narrow slot of elastic expansion-sleeve wall described in the utility model, narrow slot correspondence position is opened
Having through end, gap, bottom inside and outside wall has staggered cannelure, can form two-stage Combined elastic deformation,
Expanded radially elastic deformation is big, and elastic expansion-sleeve contacts rigidity height with workpiece inner wall, and it is more firm to clamp.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is the structural representation of elastic expansion-sleeve described in the utility model；
In figure: support 1, cylinder pedestal 2, slip ring 3, support ring 4, elastic expansion-sleeve 5, taper mandrel 6, connection
Dish 7, end cap 8, round nut 9, connecting shaft 10, close pearl fairlead 11, footstock 12, workpiece 13, piston 14,
Rotary table top 15, table base 16, gap 17, narrow slot 18, cannelure 19.
Detailed description of the invention
With embodiment, this utility model is elaborated below in conjunction with the accompanying drawings.
Seeing Fig. 1, the hydraulic pressure gear grinding clamp of fast changeable large-size workpiece described in the utility model, including propping up
Frame 1, cylinder pedestal 2, slip ring 3, support ring 4, elastic expansion-sleeve 5, taper mandrel 6, connection dish 7, end cap 8,
Round nut 9, connecting shaft 10, close pearl fairlead 11, footstock 12 and piston 14.Support 1 is arranged on workbench
On base 16, cylinder pedestal 2 is fixed on rotary table top 15, and rotary table top 15 is supported in table base
On 16, rotary table top 15 can drive cylinder pedestal 12 to rotate.Piston 14 is arranged in cylinder pedestal 2, centering
Seat 12 is mounted on cylinder pedestal 2 upper end, and connecting shaft 10 is arranged at the hollow space of footstock 12, connecting shaft
10 keep vertical direction centrally through footstock 12, the lower end of connecting shaft 10 is fixed with piston 14.Slip ring 3 is pacified
Being contained on support 1, slip ring 3 constitutes two independent sealed annular oil cavities with cylinder pedestal 2 by radial fit,
Connection corresponding with oil-in A and B respectively.Cylinder pedestal 2 has two-way oil circuit, the most corresponding oil-in A
And B, the connection corresponding with two annular oil cavities respectively of two-way oil circuit, and respectively lead to by cylinder pedestal 2, piston
14 and two oil pockets up and down of oil cylinder of constituting of footstock 12.It is (logical that connection dish 7 is fixed on conical mandrel 6 upper end
Cross end cap 8 to close), taper mandrel 6 is connected as a single entity by connection dish 7 and connecting shaft 10 and piston 14, connecting shaft
10 upper ends carry out axial restraint by the round nut 9 being arranged on connection dish 7, footstock 12 and taper mandrel 6 it
Between close pearl fairlead 11 is installed, three is co-axially mounted, formed interference fit.Elastic expansion-sleeve 5 and taper mandrel 6
Being co-axially mounted, elastic expansion-sleeve 5 is fixed on cylinder pedestal 2 upper end.Hydraulic pressure is passed through in the action clamping, loosening workpiece
Oil (pressure oil) drives piston 14 to drive taper mandrel 6 to extrude, loosen elastic expansion-sleeve 5 and realize.
Described close pearl fairlead 11 is the hollow cylinder using copper coin to make, and wall perforate, in perforate, riveting enters
The steel ball of diameter, is separated by steel ball between taper mandrel 6 and footstock 12, forms rolling pair.
Described slip ring 3 internal face has three ring annular grooves, is respectively mounted sealing ring, coordinates with slip ring 3 internal face
Cylinder pedestal 2 outside wall surface (cylindrical) has two circle annular oil grooves, and slip ring 3 and cylinder pedestal 2 are matched in clearance,
Slip ring is fixed, and cylinder pedestal 2 can rotate relative to slip ring.Three circle sealing rings in slip ring are by two on cylinder pedestal 2
Circle annular oil groove is isolated into two annular oil cavities closed, and slip ring has oil-in A and B, respectively correspondence
Two annular oil cavities, two-way oil circuit is corresponding with bottom 2 two annular oil grooves of cylinder pedestal respectively to be connected, will be by entering
The pressure oil that hydraulic fluid port A and B is passed through respectively leads to two oil pockets of piston 14 upper and lower sides, it is achieved to piston about 14
The control of motion.
Seeing Fig. 2, elastic expansion-sleeve 5 (typically can use spring steel, such as 65Mn) endoporus is the conical surface, taper
Mandrel 6 cylindrical is the conical surface, and both taperings are identical, and contact.Described elastic expansion-sleeve 5 has vertically no less than 8
Individual uniform narrow slot 18 (penetrating wall), width 5mm, narrow slot correspondence position has with the gap of linear cutter
17, narrow slot 18 is connected by gap 17 with elastic expansion-sleeve 5 upper end.Bottom elastic expansion-sleeve 5, inside and outside wall is machined with friendship
The cannelure 19 of staggered arrangement row.When taper mandrel 6 moves downward along close pearl fairlead 11, by conical surface extruding elasticity
Ringfeder 5, elastic expansion-sleeve gap 17 increases, overall the most outwards spring expanding, radially tensioner gear inwall,
Meanwhile, bottom elastic expansion-sleeve 5, inside and outside wall is machined with staggered cannelure 19, makes elastic expansion-sleeve 5 deform more
Add the most uniformly, add elastic expansion-sleeve 5 firm with the contact of workpiece (such as, big specification plate-like gear) inwall
Property.
When installing workpiece 13 (such as, big specification plate-like gear), due to elastic expansion-sleeve 5 cylindrical and workpiece 13
Inner wall shape is corresponding, and workpiece 13 can be enclosed within elastic expansion-sleeve 5 by for example, face of cylinder, and by being arranged at oil
Support ring 4 on cylinder bottom seat 2 supports, and then, makes pressure oil enter from oil-in A and is positioned on the upside of piston 14
Oil pocket, and drive piston 14 to drive taper mandrel 6 to move downward along close pearl fairlead 11, due to taper mandrel 6
For inverted cone, therefore extrude elastic expansion-sleeve 5 by the conical surface in moving downward, make elastic expansion-sleeve 5 that radial elastic to occur
Deformation, tensioner is placed on the workpiece 13 in support ring 4, it is achieved clamp workpiece 13；During dismounting workpiece 13, enter
Hydraulic fluid port A correspondence oil circuit pressure release, is passed through pressure oil by oil-in B, makes pressure oil enter the oil on the downside of piston 14
Chamber, drives piston 14 to drive taper mandrel 6 to move upward along close pearl fairlead 11, disengages elastic expansion-sleeve 5, elastic
Ringfeder 5 restPoses, and unclamps workpiece 13.
Claims (7)
1. the hydraulic pressure gear grinding clamp of a fast changeable large-size workpiece, it is characterised in that: this hydraulic pressure roll flute
Fixture includes rotary table top (15) and the cylinder pedestal (2) being arranged on rotary table top (15), described oil
It is provided with piston (14) in cylinder bottom seat (2), cylinder pedestal (2) is provided with footstock (12), footstock
(12) being provided with connecting shaft (10) in, one end of connecting shaft (10) is connected with piston (14), the other end
Can be connected relative to the taper mandrel (6) that footstock (12) move be arranged on footstock (12), institute
The outside stating taper mandrel (6) is provided with the elastic expansion-sleeve (5) being connected with described cylinder pedestal (2), piston
(14) oil pocket being positioned at piston (14) both sides is formed and between footstock (12) and cylinder pedestal (2),
Cylinder pedestal (2) and be arranged at cylinder pedestal (2) outside slip ring (3) between have two independent sealed
Annular oil cavity, the independent sealed annular oil cavity of said two respectively with the oil pocket pair of described piston (14) both sides
Should be connected, described slip ring (3) be provided with two annular oil cavities independent sealed with said two respectively corresponding
The oil-in being connected.
A kind of hydraulic pressure gear grinding clamp of fast changeable large-size workpiece, its feature
It is: described hydraulic pressure gear grinding clamp also includes the table base (16) for supporting rotary table top (15),
Being provided with support (1) on described table base (16), described slip ring (3) is arranged on support (1).
A kind of hydraulic pressure gear grinding clamp of fast changeable large-size workpiece, its feature
It is: be provided with three circle sealing rings on the internal face of described slip ring (3), in the outside wall surface of cylinder pedestal (2)
Being provided with two circle annular oil grooves, described two circle annular oil grooves are isolated into two independent sealed rings by described sealing ring
Shape oil pocket, cylinder pedestal (2) can rotate relative to described slip ring (3).
A kind of hydraulic pressure gear grinding clamp of fast changeable large-size workpiece, its feature
It is: the outside of described elastic expansion-sleeve (5) is provided with the support ring (4) being connected with described cylinder pedestal (2).
A kind of hydraulic pressure gear grinding clamp of fast changeable large-size workpiece, its feature
It is: between described taper mandrel (6) and footstock (12), be provided with close pearl fairlead (11), described cone
Core axle (6), footstock (12) and close pearl fairlead (11) are co-axially mounted.
A kind of hydraulic pressure gear grinding clamp of fast changeable large-size workpiece, its feature
It is: the inwall of described elastic expansion-sleeve (5) has the conical surface identical with described taper mandrel (6) tapering.
A kind of hydraulic pressure gear grinding clamp of fast changeable large-size workpiece, its feature
It is: described elastic expansion-sleeve (5) is axially disposed has at least 8 to be spaced equally distributed bar-shaped trough, described bar
Shape groove is connected with elastic expansion-sleeve (5) top by the gap (17) being arranged on described elastic expansion-sleeve (5),
It is provided with staggered cannelure (19) on the inside and outside wall in described elastic expansion-sleeve (5) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106661.7U CN205551684U (en) | 2016-02-02 | 2016-02-02 | But hydraulic pressure gear grinding fixture of big specification work piece of quick replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106661.7U CN205551684U (en) | 2016-02-02 | 2016-02-02 | But hydraulic pressure gear grinding fixture of big specification work piece of quick replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205551684U true CN205551684U (en) | 2016-09-07 |
Family
ID=56821504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620106661.7U Withdrawn - After Issue CN205551684U (en) | 2016-02-02 | 2016-02-02 | But hydraulic pressure gear grinding fixture of big specification work piece of quick replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205551684U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562838A (en) * | 2016-02-02 | 2016-05-11 | 秦川机床工具集团股份公司 | Hydraulic gear grinding clamp capable of rapidly replacing large-size workpieces and clamping method of hydraulic gear grinding clamp |
| CN108127449A (en) * | 2017-12-25 | 2018-06-08 | 上海久浩机械有限公司 | A kind of hydraulic-driven clamping device |
| CN109877621A (en) * | 2019-03-18 | 2019-06-14 | 西安法士特汽车传动有限公司 | A kind of simple quick change hydraulically operated fixture of plate gear milling |
-
2016
- 2016-02-02 CN CN201620106661.7U patent/CN205551684U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562838A (en) * | 2016-02-02 | 2016-05-11 | 秦川机床工具集团股份公司 | Hydraulic gear grinding clamp capable of rapidly replacing large-size workpieces and clamping method of hydraulic gear grinding clamp |
| CN108127449A (en) * | 2017-12-25 | 2018-06-08 | 上海久浩机械有限公司 | A kind of hydraulic-driven clamping device |
| CN109877621A (en) * | 2019-03-18 | 2019-06-14 | 西安法士特汽车传动有限公司 | A kind of simple quick change hydraulically operated fixture of plate gear milling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20171107 |