CN208289149U - A kind of cylinder for gear pneumatic fixture - Google Patents
A kind of cylinder for gear pneumatic fixture Download PDFInfo
- Publication number
- CN208289149U CN208289149U CN201820885392.8U CN201820885392U CN208289149U CN 208289149 U CN208289149 U CN 208289149U CN 201820885392 U CN201820885392 U CN 201820885392U CN 208289149 U CN208289149 U CN 208289149U
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- China
- Prior art keywords
- piston rod
- cylinder
- gear
- cylinder block
- pneumatic fixture
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- 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.)
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Abstract
The utility model discloses a kind of cylinders for gear pneumatic fixture comprising cylinder block；Described cylinder block one end is equipped with centre hole along axis, and the cylinder block other end, which is equipped with, clamps chamber, wherein the centre hole is coaxial with clamping chamber and communicates；The cylinder further includes several piston rods and several collets；The collet is fixed at corresponding piston-rod end.Cylinder block inside circular array is equipped with several piston rod cavities, and the piston rod cavity is arranged along cylinder block radius, and the piston rod is arranged through piston rod cavity and clamping chamber.This kind is used for the cylinder of gear pneumatic fixture, effectively improves the processing efficiency of workpiece, good in economic efficiency；The protection to operator is effectively guaranteed in the safety coefficient for improving workpiece process；The processing stability and precision for guaranteeing gear avoid gear workpieces from flying out event and the case where gear workpieces loosen；Workpiece automated exchanged cutter can be achieved, meet manipulator automated exchanged cutter；Structure is simple, and shape is exquisite.
Description
Technical field
The utility model relates to a kind of cylinders, are specifically related to a kind of cylinder for gear pneumatic fixture.
Background technique
With the continuous development of society, all trades and professions are all advanced by leaps and bounds.Gear product is the important foundation part of mechanized equipment,
The primary drive component of most complete set of machines is all gear drive.Then for the demand of gear, amount is big and requires
It is increasingly stringenter；For in the process of gear, when carrying out grinding to gear, it is fixed to need to be clamped gear
Position.Wherein, the convenience of the stability and operation that clamp for gear, closely affects the accuracy and height to Gear Processing
Effect property.
And the development of the intelligence manufacture plan now with country, and robot technology is increasingly mature, factory realizes comprehensively
Automated production is possibly realized.It realizes that automation can not only liberate manpower, but also the quality of working efficiency and product can be improved.Factory
Realize automatic updating during, the most key place first is that how to design corresponding frock clamp with meet manipulator with
Linking between lathe.
As Gear Processing industry, traditional gear grinding processing method is to clamp workpiece, operator using heart carrier
In grinding worm, heart carrier is first clamped in the first end of gear shaft, is then placed in the fixation thimble side of general-purpose grinder, separately
Side is unclamped after moving movable thimble, completes clamping；Whole process takes time and effort, and safety coefficient is not high.
The gear grinding processing method of modernization is processed using numerically control grinder, and movable thimble is another by hydraulic control
The fixed thimble in end is equipped with centrifugation spring clamp fixture；This fixture eliminates the step for dress heart carrier, and when clamping only needs
Spring is pulled down, gear can be put by opening gap；But clamping force is small, cannot really meet automated production, gear easily occurs
Workpiece flies out event and the case where gear workpieces loosens.
Utility model content
To overcome the shortcomings of existing technologies, the purpose of this utility model is that: provide a kind of for gear pneumatic fixture
The protection to operator is effectively guaranteed which raises the safety coefficient of workpiece process in cylinder；Guarantee the processing of gear
Stability and precision avoid gear workpieces from flying out event and the case where gear workpieces loosen；The processing efficiency of workpiece is effectively improved,
It is good in economic efficiency；Structure is simple, and shape is exquisite.
The utility model solves technical problem and adopts the following technical scheme that
A kind of cylinder for gear pneumatic fixture comprising cylinder block；Described cylinder block one end is equipped with thimble along axis
Hole, the cylinder block other end, which is equipped with, clamps chamber, wherein the centre hole is coaxial with clamping chamber and communicates；The cylinder further includes
Several piston rods and several collets；The collet is fixed at corresponding piston-rod end.
There is also following technical characteristics for the utility model:
Cylinder block inside circular array is equipped with several piston rod cavities, and the piston rod cavity is along cylinder block half
Diameter setting, the piston rod is through piston rod cavity and clamps chamber setting.
Described piston rod one end is equipped with boss, and the periphery of the piston rod is arranged with compressed spring, and the collet is set to
The piston rod other end；Wherein, the boss on the piston rod and compressed spring are placed in inside piston rod cavity, and the collet is set
In the intracavitary portion of clamping.
Sealing ring is equipped between the boss peripheral side and piston rod cavity.
The cylinder block edge corresponds to piston rod cavity end and is equipped with cylinder head, and the cylinder head is equipped with ventilation
Hole.
The piston rod cavity side wall is equipped with air hole, and the air hole is set to compressed spring compression end.
In the cylinder block circular array be equipped with several connecting holes, the connecting hole be set to piston rod cavity where prolong
On long line.
The collet is L-shaped.
The diameter dimension of the centre hole is adapted with the diameter dimension of thimble.
The diameter dimension for clamping chamber is greater than the diameter of grinding worm.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the cylinder using the utility model for gear pneumatic fixture positions grinding worm, it can be achieved that grinding
The circumferentially positioned clamping of gear: by the collet of several piston rods and its end on cylinder, guarantee that gear clamps circumferentially steady
It is qualitative；To ensure that the grinding size and geometric tolerance of gear, the stability and high-precision when work pieces process are realized, is improved
The safety coefficient of workpiece process avoids gear workpieces from flying out event and the case where gear workpieces loosen.
2, wherein, for the setting of cylinder block, position, which is equipped with, among cylinder block clamps chamber, and clamps on the outside of chamber in a ring
Several piston rod cavities of the setting of matrix and piston rod can effectively ensure that circumferential stability and precision that gear clamps.
3, for the setting of L clevis head, the processing efficiency and precision of workpiece can be effectively improved, it is good in economic efficiency.
This kind is used for the cylinder of gear pneumatic fixture, effectively improves the processing efficiency of workpiece, good in economic efficiency；It improves
The protection to operator is effectively guaranteed in the safety coefficient of workpiece process；Guarantee the processing stability and precision of gear,
Gear workpieces are avoided to fly out event and the case where gear workpieces loosen；Workpiece automated exchanged cutter can be achieved, meet manipulator and fill automatically
Folder；Structure is simple, and shape is exquisite.
Detailed description of the invention
Fig. 1 is the utility model axial direction schematic cross-sectional view；Wherein, axis of the section view direction through piston rod cavity.
Fig. 2 is the utility model cylinder block axial direction schematic cross-sectional view；Wherein, the section view direction is through piston rod cavity
Axis.
Fig. 3 is the utility model chuck structure schematic diagram.
C-C schematic cross-sectional view in Fig. 4 Fig. 3.
Fig. 5 is the utility model schematic diagram of application structure.
Fig. 6 is A-A schematic cross-sectional view in Fig. 5.
Fig. 7 is B-B schematic cross-sectional view in Fig. 5.
Wherein: 1- thimble, 11- is top, the chassis 2-, 21- threaded hole, 3- cylinder, 31- cylinder block, and 310- clamps chamber, 311-
Centre hole, 312- piston rod cavity, 313- air hole, 314- connecting hole, 315- limiting slot, 32- piston rod, 33- collet, 331-
Fixed part, 332- clamping part, 34- compressed spring, 35- boss, 36- sealing ring, 37- cylinder head, 370- venthole, 4- install spiral shell
Bolt, 5- carrying bolt.
Specific embodiment
Shown in 7, to originally for the structure feature of the cylinder of gear pneumatic fixture, details are as follows:
A kind of cylinder for gear pneumatic fixture comprising cylinder block 31；Described 31 one end of cylinder block is equipped with along axis
Centre hole 311,31 other end of cylinder block, which is equipped with, clamps chamber 310, wherein the centre hole 311 and clamp chamber 310 it is coaxial and
It communicates；The cylinder 3 further includes several piston rods 32 and several collets 33；The collet 33 is fixed at corresponding 32 end of piston rod
End.
When carrying out grinding worm for numerically control grinder air-actuated jaw using the cylinder 3, which is set to bed body pedestal
1 end of fixation thimble, thimble 1 is set through the centre hole 311 of cylinder block 31, and guarantee top 11 setting for 1 end of thimble
In in the clamping chamber 310 of cylinder block 31；Grinding worm is placed in the clamping chamber 310 of the cylinder 3, is controlled in the cylinder block 31
Each piston rod 32 acts, and then drives the correspondence collet 33 on each piston rod 32 while mobile, circumferential direction of the realization to grinding worm
Clamp positioning.To ensure that the grinding size and geometric tolerance of gear, the stability and high-precision when work pieces process are realized,
The safety coefficient for improving workpiece process avoids gear workpieces from flying out event and the case where gear workpieces loosen.
The utility model provides a kind of specific embodiment that the cylinder is fixed on bed body pedestal；Wherein, which passes through
Chassis 2 is fixed: described 2 one end of chassis being fixed on bed body pedestal first, it is another which is fixed at chassis 2
End, and thimble 1 is arranged through chassis 2；Wherein, 1 one end of thimble is fixedly connected with bed body pedestal, and thimble 1 runs through the top of the cylinder 3
Pin hole 311, top the 11 of the other end are placed in the clamping chamber 310 of cylinder 3.
As a preferred embodiment of the present invention, in conjunction with shown in Fig. 1 to 7；
To guarantee the circumferential stable position to grinding worm, if being equipped with for 31 inside circular array of the cylinder block is worked
Stopper rod cavity 312, the piston rod cavity 312 are arranged along 31 radius of cylinder block, and the piston rod 32 runs through piston rod cavity 312
And it clamps chamber 310 and is arranged.The grinding worm that can be clamped in chamber 310 by 3 Duis of the cylinder applies the identical circumferential clamping of size
Power, and the direction circular array of circumferential direction clamping force suffered by grinding worm then make grinding worm stability under loading and identical, guarantee
The circumferentially positioned stabilization of grinding worm.Piston rod cavity 312 and piston rod 32 and correspondence in the embodiment, in cylinder block 31
Collet 33 is respectively provided with three, and angle is 120 ° between adjacent pistons rod cavity road 312.
Wherein, described 32 one end of piston rod is equipped with boss 35, and the piston rod 32 and boss 35 are integrated setting, described
The periphery of piston rod 32 is arranged with compressed spring 34, and the collet 33 is set to 32 other end of piston rod；Wherein, the piston rod
Boss 35 and compressed spring 34 on 32 are placed in inside piston rod cavity 312, and the collet 33, which is set to, to be clamped inside chamber 310.
Then the compressed spring 34 on piston rod 32 can be made to compress by the boss 35 of driving 32 one end of piston rod, piston rod 32 is realized
Overhanging movement clamps the pinching action realized in chamber 310 to grinding worm in cylinder block 31；When need to grinding worm carry out
When disassembly, the driving force to boss 35 is removed, by the reseting elasticity of compressed spring 34, boss 35 can be driven and drive piston rod
32 contractive actions, the collet 33 of 32 other end of piston rod then loses the clamping positioning function to grinding worm at this time, realizes opposite grinding
Cut the disassembly of gear.
It is accurately controlled to guarantee to act each piston rod 32, guarantees the accurate steady of the clamping positioning to grinding worm
It is qualitative；Sealing ring 36 is equipped between 35 peripheral side of boss and piston rod cavity 312；Consequently facilitating realizing to piston rod cavity
The accurate control acted to each piston rod 32 is realized in the accurate control of air pressure in 312.
Wherein, 31 edge of cylinder block is equipped with cylinder head 37, and the cylinder head corresponding to 312 end of piston rod cavity
37 are equipped with venthole 370, and the venthole 370 is tightly connected by gas pipeline and gas source.When needing to drive the cylinder 3
32 overhanging movement of piston rod when, gas transmission can be carried out by venthole 370 in each cylinder head 37 simultaneously, increase piston rod cavity
Air pressure in 312 then promotes the overhanging movement of piston rod 32.
In addition, the accurate control of the contractive action to further ensure that piston rod 32；On 312 side wall of piston rod cavity
Equipped with air hole 313, and the air hole 313 is set to 34 compression end of compressed spring；It can guarantee and circumferentially pressed from both sides suffered by grinding worm
The stability of clamp force avoids the machining accuracy that gear grinding is influenced since clamping force is excessive；And when the cylinder 3 is applied to numerical control
Grinding machine positions in gear, when grinding action finishes, and needs to carry out dismounting grinding worm, is first shut off gas source, piston rod cavity
Gas part in 312 is discharged by air hole 313, as a result, the air pressure decline in piston rod cavity 312, at this point, due to compressing bullet
The elastic force of spring 34 is then realized that compressed spring 34 pushes the boss 35 on piston rod 32, drives collet 33 to shrink, is realized to grinding
The automatic offloading functions of gear realize automatic operation.
For being located by connecting convenient for the cylinder 3；In the cylinder block 31 circular array be equipped with several connecting holes 314,
The connecting hole 314 is set on 312 place extended line of piston rod cavity.The cylinder 3 can be fixed fixed by connecting hole 314
Position.Specifically, circular array is equipped with several spiral shells on the chassis 2 in a kind of specific embodiment disclosed by the utility model
Pit 21 (totally six), wherein the connecting hole 314 is with the corresponding threaded hole 21 (wherein three) on chassis 2 using installation spiral shell
Bolt 4 connects, and carrying bolt 5 built in the remaining threaded hole 21 (remaining three) on chassis 2.5 He of carrying bolt can be passed through
Installation bolt 4 connects chassis 2 and cylinder block 31, prevents the axial motion on top 11 of cylinder block 31；Adjust support spiral shell
Centrifugal action when bolt 5, installation bolt 4 and cylinder block 31 work, completes small―gap suture floating automatic-centering, when making Workpiece clamping by
Power is uniform, guarantee Gear Processing when on an axis, to guarantee the grinding size and geometric tolerance of gear.
The collet 33 is L-shaped；Wherein, the collet 33 includes fixed part 331 and clamping part 332, and the fixed part
331 and clamping part 332 be vertically fixed as one setting, the fixed part 331 is by bolt set on 32 end of piston rod, the clamping
332 end of portion is arranged using circular arc；The clamping of automatic capturing gear workpieces can be realized in the air-actuated jaw；Effectively improve adding for workpiece
Work efficiency rate and precision, it is good in economic efficiency.
To realize that the axially position to grinding worm clamps；The diameter dimension of the centre hole 311 and the diameter ruler of thimble 1
It is very little to be adapted.To ensure that the grinding size and geometric tolerance of gear, the stability and high-precision when work pieces process are realized,
Improve the safety coefficient of workpiece process.
To realize the circumferentially positioned clamping to grinding worm；The diameter dimension for clamping chamber 310 is greater than grinding worm
Diameter；It ensures that grinding worm can be placed in the clamping chamber 310 of the cylinder 3, ensure that the grinding size and morpheme of gear
Tolerance realizes stability and high-precision when work pieces process, improves the safety coefficient of workpiece process, avoids gear work
Part flies out event and the case where gear workpieces loosens.
310 top edge of clamping chamber is equipped with several limiting slots 315, and the limiting slot 315 corresponds to collet 33
The setting of 331 corresponding end of fixed part；The width of the limiting slot 315 is the operating distance range of collet 33；It can prevent collet 33
Large rotation improves clamping efficiency.
The utility model provides a kind of cylinder for gear pneumatic fixture, and which raises the safety systems of workpiece process
Number, is effectively guaranteed the protection to operator；The processing stability and precision for guaranteeing gear avoid gear workpieces from flying out event
And gear workpieces the case where loosening；The processing efficiency of workpiece is effectively improved, it is good in economic efficiency；Workpiece automated exchanged cutter can be achieved, it is full
Sufficient manipulator automated exchanged cutter；Structure is simple, and shape is exquisite.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of cylinder for gear pneumatic fixture comprising cylinder block；It is characterized by: described cylinder block one end is along axis
Equipped with centre hole, the cylinder block other end, which is equipped with, clamps chamber, wherein the centre hole is coaxial with clamping chamber and communicates；The gas
Cylinder further includes several piston rods and several collets；The collet is fixed at corresponding piston-rod end.
2. a kind of cylinder for gear pneumatic fixture according to claim 1, it is characterised in that: inside the cylinder block
Circular array is equipped with several piston rod cavities, and the piston rod cavity is arranged along cylinder block radius, and the piston rod runs through
Piston rod cavity and clamping chamber setting.
3. a kind of cylinder for gear pneumatic fixture according to claim 2, it is characterised in that: described piston rod one end
Equipped with boss, the periphery of the piston rod is arranged with compressed spring, and the collet is set to the piston rod other end；Wherein, described
Boss and compressed spring on piston rod are placed in inside piston rod cavity, and the collet, which is set to, clamps intracavitary portion.
4. a kind of cylinder for gear pneumatic fixture according to claim 3, it is characterised in that: the boss peripheral side
Sealing ring is equipped between piston rod cavity.
5. a kind of cylinder for gear pneumatic fixture according to claim 2, it is characterised in that: the cylinder block edge
It is equipped with cylinder head corresponding to piston rod cavity end, and the cylinder head is equipped with venthole.
6. a kind of cylinder for gear pneumatic fixture according to claim 2, it is characterised in that: the piston rod cavity
Side wall is equipped with air hole, and the air hole is set to compressed spring compression end.
7. a kind of cylinder for gear pneumatic fixture according to claim 2, it is characterised in that: be in the cylinder block
Annular array is equipped with several connecting holes, where the connecting hole is set to piston rod cavity on extended line.
8. a kind of cylinder for gear pneumatic fixture according to claim 1, it is characterised in that: the collet is L-shaped.
9. a kind of cylinder for gear pneumatic fixture according to claim 1, it is characterised in that: the centre hole it is straight
Diameter size is adapted with the diameter dimension of thimble.
10. a kind of cylinder for gear pneumatic fixture according to claim 1, it is characterised in that: the clamping chamber
Diameter dimension is greater than the diameter of grinding worm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885392.8U CN208289149U (en) | 2018-06-08 | 2018-06-08 | A kind of cylinder for gear pneumatic fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885392.8U CN208289149U (en) | 2018-06-08 | 2018-06-08 | A kind of cylinder for gear pneumatic fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208289149U true CN208289149U (en) | 2018-12-28 |
Family
ID=64722726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820885392.8U Expired - Fee Related CN208289149U (en) | 2018-06-08 | 2018-06-08 | A kind of cylinder for gear pneumatic fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208289149U (en) |
-
2018
- 2018-06-08 CN CN201820885392.8U patent/CN208289149U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |