CN206484314U - Work piece holder - Google Patents
Work piece holder Download PDFInfo
- Publication number
- CN206484314U CN206484314U CN201621275915.4U CN201621275915U CN206484314U CN 206484314 U CN206484314 U CN 206484314U CN 201621275915 U CN201621275915 U CN 201621275915U CN 206484314 U CN206484314 U CN 206484314U
- Authority
- CN
- China
- Prior art keywords
- piston
- workpiece
- hydraulic cylinder
- work piece
- piston rod
- 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.)
- Expired - Fee Related
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- 241000669069 Chrysomphalus aonidum Species 0.000 claims abstract description 9
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Abstract
The utility model discloses a kind of work piece holder, including：Hydraulic cylinder, it is movably arranged on circular scale, and the cylinder cap of the hydraulic cylinder is provided with multiple first piston rod through-holes；Piston, it can be moved back and forth in the hydraulic cylinder along in the hydraulic cylinder, and the piston is provided with multiple second piston rod through-holes；And many piston rods, its upper end extended beyond above the piston and extends into the hydraulic cylinder, and lower end is stretched to the hydraulic cylinder cylinder cap extension, and is fitted with the workpiece.The utility model work piece holder, the fixture used has many root small piston rods to be contacted with workpiece, can the yielding workpiece such as clamping thin-wall workpieces, and the small piston rod that there is boss piston and one end can independently stretch out and retract together, so that fixture is not limited by workpiece surface shape can clamp the abnormal workpieces of arbitrary surface shape, automatic fast approaching workpiece, the slow clamping requirement for clamping, quickly removing stage makeup and costume can be realized with hydraulic control in addition.
Description
Technical field
The utility model is related to the mechanical equipment of work pieces process, more particularly to a kind of work piece holder.
Background technology
On spherical work-piece, special-shaped workpiece drilling, tapping or make other processing when, in the case of no special fixture,
Spherical partses are clamped to be less susceptible to.The processing problems of thin-walled parts, are always more scabrous.Reason is thin-walled parts
Poor rigidity, intensity is weak, and work in-process level is easily deformed, it is not easy to ensure the crudy of part.Influence thin-walled parts precision
Factor has a lot, but is summed up main by three below aspect：(1) stress deformation, because bow and arrow wall is thin, in the effect of clamping force
Easily it is deformed down, so as to influence the dimensional accuracy and form accuracy of workpiece.(2) temperature distortion, because workpiece is relatively thin, cutting heat
Workpiece thermal deformation can be caused, workpiece size is not easily controlled.(3) vibration deformation, at cutting force (particularly radial cutting force)
In the presence of, it is easy to produce vibration and deform, influence dimensional accuracy, shape, positional precision and the surface roughness of workpiece.It is right
In thin-wall workpiece and special-shaped workpiece brill Milling Machining are difficult, clamping difficulty is big, clamping lifting surface area, small, yielding, easy loosening etc. is scarce
Point.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of work piece holder, so as to overcome spherical work-piece, special-shaped workpiece and thin-walled
The shortcoming that Workpiece boring processing difficulties, clamping difficulty are big, clamping lifting surface area is small, yielding, easily loosen.
To achieve the above object, the utility model provides a kind of work piece holder, including：Hydraulic cylinder, it movably sets
In on circular scale, the cylinder cap of the hydraulic cylinder is provided with multiple first piston rod through-holes；Piston, it is located at the hydraulic cylinder
It is interior, it can be moved back and forth along in the hydraulic cylinder, the piston is provided with multiple second piston rod through-holes；And many pistons
Bar, its upper end is extended beyond above the piston and extended into the hydraulic cylinder, and lower end is stretched to the hydraulic cylinder cylinder cap extension,
And fitted with the workpiece.
Preferably, in above-mentioned technical proposal, the every piston rod upper end is provided with boss, and the cross-sectional area of the boss is big
In the cross-sectional area of the second piston rod through-hole.
Preferably, in above-mentioned technical proposal, the first piston rod through-hole, the second piston rod through-hole and the piston
The shape of cross section of bar is non-circular.
Preferably, in above-mentioned technical proposal, in the state of using the work piece holder clamping workpiece, two need to be used simultaneously
Work piece holder mutual cooperation is clamped described in individual or two or more.
Compared with prior art, the utility model has the advantages that：The utility model work piece holder, the folder used
Contacted with many root small piston rods with workpiece, considerably increasing the contact area of clamping makes clamping more stablize, and can separately clamp
The yielding workpiece such as thin-wall workpiece, and piston and one end small piston rod for having boss can independently stretch out and retract together,
So that fixture is not limited by workpiece surface shape can clamp the abnormal workpieces of arbitrary surface shape, in addition can be real with hydraulic control
Now automatic fast approaching workpiece, the slow clamping requirement for clamping, quickly removing stage makeup and costume.
Brief description of the drawings
Fig. 1 is the structural representation being arranged on according to work piece holder of the present utility model on circular scale.
Fig. 2 is the structural representation according to fixture in work piece holder of the present utility model.
Fig. 3 is according to holder part structural representation in work piece holder of the present utility model.
Fig. 4 is the structural representation according to the piston of fixture in work piece holder of the present utility model.
Fig. 5 is the structural representation according to the piston rod of fixture in work piece holder of the present utility model.
Fig. 6 is the structural representation according to locking member in work piece holder of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings, embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in Figures 1 to 6, according to a kind of work piece holder of the utility model embodiment, the work piece holder is set
In on circular scale 1, circular scale 1 is provided with circular guideway 11, the circular guideway 11 and leading that it cooperates
On the guide block 12 cooperated on block 12, the " T " shape structure in cross section of circular guideway 11, circular guideway 11 with it, guide block 12
Provided with T-slot, it may be such that guide block 12 is connected with circular guideway 12 more firm.Work piece holder 2 is on guide block 14.Guide block 12
Locking member is provided with the junction of circular guideway 11.Locking member is camlock block 3.Camlock block 3 includes cam 31 and hand
Handle 32, cam 32 is rotatably located on guide block 12 by pin, by rotating handle 32, can be fixed guide block 12 and is locked at circle
On guide rail 11.Guide block 12 and unblock guide block 12 can quickly be locked by camlock block 3.The middle part of circular scale 1 is provided with
Workbench, in the state of being processed, workpiece 4 to be processed is on workbench, i.e., workpiece 4 is located at circular scale 1
Center.Fixture 2 firmly grasps workpiece 4, you can workpiece 4 is processed.After the completion of clamping, required knife is changed on cutting tool assembly
Tool, controls servomotor cutter is reached the position specified in spherical coordinate device and can be according to planning by Electronic control
Track walking is processed.
As shown in Figures 2 to 5, more specifically embodiment is, in the state using the clamping workpiece of work piece holder 2
Under, need to be clamped using work piece holder mutual cooperation two or more described simultaneously.Workpiece is first placed on quarter during clamping
In scale 1, movable clamp as needed to required assigned scale makes between two or three fixtures 2 into required angle (such as
Using two fixtures then clamping into 180 degree, with three fixtures then clamping each other into 120 degree).The fixture that the present embodiment is used for
Three, it is evenly distributed on circular scale 1.Each fixture 2 includes：Hydraulic cylinder 21, piston 22 and multiple piston rods 23.Piston
Cylinder 21 is movably arranged on guide block 12, and the cylinder cap 24 of hydraulic cylinder 21 leads to provided with the First piston bar that multiple cross sections are square
Hole 25.Piston 22 can be moved back and forth, piston 22 is in provided with multiple cross sections in hydraulic cylinder 21 along in hydraulic cylinder 21
Square second piston rod through-hole 26.Many piston rods 23 and first piston rod through-hole 25 and a pair of second piston rod through-hole 26 1
It should set.The upper end of piston rod 23 extends beyond the top of piston 22 and extended into hydraulic cylinder 21, and lower end is to hydraulic cylinder cylinder cap 24
Outer extension.
In the state of to work pieces process, the lower end of piston rod 23 is fitted with workpiece 4, and workpiece 4 is fixed on the table.
Hydraulic pressure in-cylinder pressure is controlled using hydraulic controller, makes piston 22 and piston rod 23 are simultaneously mobile to stretch out fast approaching workpiece, when
When piece piston rod 23 contact workpiece and other piston rods are not in contact with workpiece, this root piston rod stops it due to the resistance that workpiece is given
Only stretch out, piston 22 and other piston rods continue to stretch out, and until other piston rods are all contacted with workpiece, it is not by workpiece surface shape
The limitation of shape can clamp the abnormal workpieces of arbitrary surface shape, and now hydraulic pressure in-cylinder pressure can be slowly increased to clamp workpiece.
Conversely, unload workpiece then makes the fast retractile of piston 22 with hydraulic controller control, piston 22 passes through the end of piston rod 23 when retracting
Boss drive piston rod also bounce back, can remove workpiece when piston rod all leaves workpiece surface retraction original state.
The fixture used has many root piston rods to be contacted with workpiece, and considerably increasing the contact area of clamping makes clamping more
It is stable, separately can the yielding workpiece such as clamping thin-wall workpieces, and piston and piston rod can independently stretch out and retract together, make
Fixture is not limited by workpiece surface shape and can clamp the abnormal workpieces of arbitrary surface shape, can be realized with hydraulic control in addition
Automatic fast approaching workpiece, the slow clamping requirement for clamping, quickly removing stage makeup and costume.
Preferably, every piston rod upper end is provided with boss 231, and the cross-sectional area of boss is more than the horizontal stroke of second piston rod through-hole
Sectional area.One end of piston rod 23 has boss to be used in return stroke withdraw piston rod 23, piston rod 23 and piston 22 and liquid
The cylinder cap 24 of cylinder pressure is to be slidably matched and oil-proof, and the slip of every piston rod is separate.Fixture 2 and work piece interface
Product greatly can the yielding workpiece such as clamping thin-wall workpieces and arbitrary surface shape abnormal workpieces.
Preferably, the shape of cross section of first piston rod through-hole, second piston rod through-hole and piston rod is non-circular.This reality
Example is applied exemplified by square.
The foregoing description to specific illustrative embodiment of the present utility model be in order to illustrate and illustration purpose.This
A little descriptions are not wishing to being defined to the utility model into disclosed precise forms, and it will be apparent that according to above-mentioned teaching, Ke Yijin
Row is many to be changed and changes.The purpose of selecting and describing the exemplary embodiment is that explaining specific original of the present utility model
Reason and its practical application, so that those skilled in the art can realize and a variety of be shown using of the present utility model
Example property embodiment and a variety of selections and change.Scope of the present utility model is intended to by claims and its is equal
Form is limited.
Claims (4)
1. a kind of work piece holder, it is characterised in that including：
Hydraulic cylinder, it is movably arranged on circular scale, and the cylinder cap of the hydraulic cylinder is logical provided with multiple First piston bars
Hole；
Piston, it can be moved back and forth in the hydraulic cylinder along in the hydraulic cylinder, and the piston is provided with multiple second
Piston rod through-hole；And
Many piston rods, its upper end extends beyond above the piston and extended into the hydraulic cylinder, and lower end is to the hydraulic pressure
Extend outside cylinder cylinder cap, and fitted with the workpiece.
2. work piece holder according to claim 1, it is characterised in that the every piston rod upper end is provided with boss, described
The cross-sectional area of boss is more than the cross-sectional area of the second piston rod through-hole.
3. work piece holder according to claim 1, it is characterised in that the first piston rod through-hole, the second piston
The shape of cross section of rod through-hole and the piston rod is non-circular.
4. work piece holder according to claim 1, it is characterised in that in the state using the work piece holder clamping workpiece
Under, need to be clamped using work piece holder mutual cooperation two or more described simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275915.4U CN206484314U (en) | 2016-11-25 | 2016-11-25 | Work piece holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275915.4U CN206484314U (en) | 2016-11-25 | 2016-11-25 | Work piece holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206484314U true CN206484314U (en) | 2017-09-12 |
Family
ID=59767856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621275915.4U Expired - Fee Related CN206484314U (en) | 2016-11-25 | 2016-11-25 | Work piece holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206484314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514371A (en) * | 2016-11-25 | 2017-03-22 | 广西大学 | Workpiece clamp |
-
2016
- 2016-11-25 CN CN201621275915.4U patent/CN206484314U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514371A (en) * | 2016-11-25 | 2017-03-22 | 广西大学 | Workpiece clamp |
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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: 20170912 Termination date: 20181125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |