CN209664344U - Hydraulically operated fixture - Google Patents
Hydraulically operated fixture Download PDFInfo
- Publication number
- CN209664344U CN209664344U CN201920337327.6U CN201920337327U CN209664344U CN 209664344 U CN209664344 U CN 209664344U CN 201920337327 U CN201920337327 U CN 201920337327U CN 209664344 U CN209664344 U CN 209664344U
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- China
- Prior art keywords
- oil inlet
- hydraulic
- oil
- bottom board
- clamp arm
- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000003754 machining Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract 4
- 239000007788 liquid Substances 0.000 description 6
- 210000000078 claw Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a kind of hydraulically operated fixture, including oil pressure gyrator, is provided with mutually independent oil inlet and oil outlet；Clamp bottom board, inside are equipped with mutually independent oil inlet access, fuel-displaced access；The fuel-displaced hydraulic fluid port of the oil inlet hydraulic fluid port of the oil inlet access and the fuel-displaced access is set on an end face of clamp bottom board；The oil inlet outlet of the oil inlet access and the oil export that goes out of the fuel-displaced access are set on the other end of clamp bottom board；Oil inlet pipe and flowline pass through pull rod, and one end is connected with the oil inlet of oil pressure gyrator, and other end oil inlet hydraulic fluid port is connected with fuel-displaced hydraulic fluid port；First hydraulic clamp arm and the second hydraulic clamp arm are connected to the oil inlet outlet of clamp bottom board and out on oil export；Workpiece pedestal is opposite with the first hydraulic clamp arm.The utility model can be clamped complex part, increase the stability of Workpiece clamping, thereby reduce influence of the fixture to Workpiece Machining Accuracy.
Description
Technical field
The utility model belongs to digit ctrol machine tool field more particularly to a kind of hydraulically operated fixture.
Background technique
Centre numerically controlled lathe clamps workpiece to be processed using oild chuck, realizes to the automatic fixed of workpiece to be processed
Position clamps.
Currently, generally being clamped using hydraulic scroll chuck to workpiece to be processed, the claw of hydraulic scroll chuck is inside
Contraction is connected on workpiece to be processed, can be realized the fast automatic clamping to workpiece to be processed.
By the way of the clamping of hydraulic scroll chuck, in workpiece to regular shape, such as bar, prism, cube etc.
Workpiece can be realized fast automatic clamping, but be added working as to complex part in irregular shape, such as special-shaped workpiece etc.
Working hour can only be in single plane since three claws clamp point in same plane to the positioning of workpiece to be processed
Clamping force is applied to workpiece, workpiece can not be carried out to stablize clamping, so that enough clamping forces can not be provided, and then is influenced multiple
The machining accuracy of general labourer's part.
Utility model content
To solve the technical issues of cannot being clamped in the prior art to complex part, the utility model provides a kind of liquid
Fixture is pressed, can be realized and stablizing for complex part is clamped.
The utility model provides a kind of hydraulically operated fixture, and a kind of hydraulically operated fixture is connected on hydraulic clamp base, hydraulically operated fixture
Pedestal includes rotating hydraulic cylinder, pull rod and terminal pad, and pull rod is connected on rotating hydraulic cylinder, comprising:
Oil pressure gyrator, the oil pressure gyrator have oil inlet and oil outlet, and the oil pressure gyrator is connected to revolution
The one end of hydraulic cylinder far from pull rod；
Clamp bottom board, the clamp bottom board have oil inlet access and fuel-displaced access, the oil inlet access have oil inlet entrance,
First oil inlet outlet and the second oil inlet outlet, the oil inlet entrance are set on an end face of the clamp bottom board, and described first
Oil inlet outlet and second oil inlet outlet are formed on the other end of the clamp bottom board, and the fuel-displaced access has fuel-displaced
Entrance, first go out oil export and second go out oil export, it is described go out oil-in and the oil inlet entrance be formed in the clamp bottom board
Same end face on, described first go out oil export, described second go out oil export, first oil inlet outlet and second oil inlet
Outlet is all set on the same end face of clamp bottom board；
Oil inlet pipe, the oil inlet pipe pass through pull rod and terminal pad, one end of the oil inlet pipe and the oil pressure gyrator
Oil inlet connection, the other end of the oil inlet pipe are connected to the oil inlet entrance of the oil inlet access；
Flowline, the flowline pass through pull rod and terminal pad, one end of the flowline and the oil pressure gyrator
Oil outlet is connected, and the other end of the flowline is connected to the oil-in that goes out of the fuel-displaced access；
First hydraulic clamp arm, the first hydraulic clamp arm are connected on the clamp bottom board, the first hydraulic clamp arm with
The first oil inlet outlet goes out oil export with described first and is connected；
Second hydraulic clamp arm, the second hydraulic clamp arm are connected on the clamp bottom board, the second hydraulic clamp arm with
The second oil inlet outlet goes out oil export with described second and is connected；And
Workpiece pedestal, the workpiece pedestal are connected on the clamp bottom board, the workpiece pedestal and described first hydraulic
Clamp arm is opposite, and the second hydraulic clamp arm is between the workpiece pedestal and the first hydraulic clamp arm.
The first hydraulic clamp arm includes support frame, clamping jaw, pin shaft and first hydraulic cylinder, and support frame as described above is connected to described
On clamp bottom board, support frame as described above is provided with supported hole far from described clamp bottom board one end, is provided with through-hole among the clamping jaw,
Pin shaft passes through through-hole and the clamping jaw is connected in the supported hole of support frame as described above, and the clamping jaw is rotated around pin shaft, and described first
Hydraulic cylinder is connected on clamp bottom board, the first hydraulic cylinder exported with first oil inlet and first go out oil export be connected, institute
The push rod for stating first hydraulic cylinder is connected on the clamping jaw.
The first hydraulic clamp arm further includes bolt, is connected with nut at the top of the bolt, is provided with length on the clamping jaw
Strip through-hole, the bolt pass through the long stripes through hole and the clamping jaw are connected on push rod.
The clamping jaw is different from described long stripes through hole one end and is connected with rubber block.
The second hydraulic clamp arm includes pedestal, bracket, compact heap and second hydraulic cylinder, and there are two logical for the pedestal setting
Hole, the second hydraulic cylinder are connected on the clamp bottom board by the pedestal, and the second hydraulic cylinder passes through two through-holes
Go out oil export with second oil inlet outlet and second to be connected, the bracket is connected to second hydraulic cylinder far from the pedestal one
It on the face of side, is articulated on bracket among the compact heap, the push rod of the compact heap and second hydraulic cylinder is hinged.
There are two the second hydraulic clamp arm, is symmetrically connected on clamp bottom board relative to workpiece pedestal middle vertical plane.
Workpiece pedestal is provided with workpiece fixing lug boss, and workpiece fixing lug boss is opposite with the first hydraulic clamp arm, is additionally provided with use
In the hole of connection workpiece to be processed.
Compared with prior art, the utility model has the beneficial effects that:
1 hydraulically operated fixture provided by the utility model is provided with workpiece pedestal, the opposite with workpiece pedestal first hydraulic clamp arm
And the second hydraulic clamp arm between workpiece pedestal and the first hydraulic clamp arm, the first hydraulic clamp arm and the second hydraulic clamp arm are never
Coplanar different directions apply clamping force to workpiece, by work piece and workpiece pedestal, improve the stabilization to Workpiece clamping
Property, so as to realize the clamping to complex part, further decreases fixture and workpiece is added during processing complex part
The influence that work precision generates.
2 hydraulically operated fixtures provided by the utility model are passed through by the way that oil inlet access and fuel-displaced access are arranged in clamp bottom board
Oil inlet pipe and flowline are connected with oil pressure gyrator, and form hydraulic path with the first hydraulic clamp arm and the second hydraulic clamp arm,
The movement of the first hydraulic clamp arm and the second hydraulic clamp arm is controlled by oil pressure gyrator, realizes Automatic-clamping, without being manually operated,
Improve production efficiency.
3 numerically-controlled machine tool positioning fixtures provided by the utility model, are connected on the rotating hydraulic cylinder of original lathe, do not break
The function of the original hydraulically operated fixture of bad lathe, original hydraulically operated fixture remain to continue to use, therefore numerically-controlled machine tool is except processing regular shape
Outside workpiece, still processable complex part improves the utilization efficiency of lathe.
Detailed description of the invention
Fig. 1 is the overall structure perspective view of the utility model embodiment hydraulically operated fixture；
Fig. 2 is the explosive view of hydraulically operated fixture in Fig. 1；
Fig. 3 is the partial sectional view of hydraulically operated fixture in figure；
Fig. 4 a is the axonometric drawing of clamp bottom board in Fig. 1；
Fig. 4 b is the A-A cross-sectional view of clamp bottom board in Fig. 4 a；
Fig. 4 c is the B-B cross-sectional view of clamp bottom board in Fig. 4 a.
Specific embodiment
The technical solution in the utility model specific embodiment in detail, completely describe below in conjunction with attached drawing.
Obviously, described embodiment is only the part specific embodiment of the total technical solution of the utility model, and not all
Embodiment.Total design based on the utility model, those of ordinary skill in the art's every other embodiment obtained, all
Fall within the range of the utility model protection.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The present embodiment provides a kind of hydraulically operated fixtures, are connected on the hydraulic clamp base of hydraulic scroll chuck.Hydraulically operated fixture
Pedestal includes rotating hydraulic cylinder 1, pull rod 2 and terminal pad 3；Pull rod 2 is connected on rotating hydraulic cylinder 1.With reference to attached drawing 1 and attached drawing 2,
The present embodiment includes oil pressure gyrator 4, clamp bottom board 5, oil inlet pipe 61, flowline 62, the first hydraulic clamp arm 7, the second hydraulic clip
Arm 8 and workpiece pedestal 9.Oil pressure gyrator 4 is connected to rotating hydraulic cylinder 1 far from pull rod one end, is provided with phase on oil pressure gyrator 4
Mutual independent oil inlet 61 and oil outlet 62.With reference to attached drawing 4a, 4b, 4c, clamp bottom board 5 is connected in terminal pad 3, clamp bottom board
5 inside are equipped with oil inlet access 51 and fuel-displaced access 52, and oil inlet access 51 and fuel-displaced access 52 are mutually indepedent.Oil inlet access 51 into
Oil-in 53 is set on the face that clamp bottom board 5 is connected with terminal pad 3, and oil inlet access 51 is equipped with the first oil inlet and exports 551 Hes
Second oil inlet outlet 552, the first oil inlet outlet 551 and the second oil inlet outlet 552 are set to clamp bottom board 5 far from terminal pad 3
On face；The oil-in 54 that goes out of fuel-displaced access 52 is set on the face that clamp bottom board 5 is connected with terminal pad 3, and fuel-displaced access 52 is set
Have first go out oil export 561 and second go out oil export 562, first go out oil export 561 and second go out oil export 562 be set to fixture
On face of the bottom plate 5 far from terminal pad 3.Oil inlet pipe 61 passes through pull rod 2 and terminal pad 3, the oil inlet 41 of one end and oil pressure gyrator 4
It is connected, 53 connection of oil inlet entrance of the other end and oil inlet access 51；Flowline 62 passes through pull rod 2 and terminal pad 3, one end and oil
The oil outlet 42 of pressure gyrator 4 is connected, and the other end is connected with the oil-in 54 that goes out of fuel-displaced access 52.First hydraulic clamp arm 7
The the first oil inlet outlet 551 and first for being connected to clamp bottom board 5 goes out on oil export 561, and the second hydraulic clamp arm 8 is connected to fixture bottom
The second oil inlet outlet 552 and second of plate 5 goes out on oil export 562；Workpiece pedestal 9 is connected on clamp bottom board 5, with the first liquid
Press clamp arm 7 opposite, the second hydraulic clamp arm 8 is between the first hydraulic clamp arm 7 and workpiece pedestal 9, the first hydraulic clamp arm 7 and second
Workpiece to be processed 10 is fixed on workpiece pedestal 9 by hydraulic clamp arm 8.The oil inlet 41 of oil pressure gyrator 4 is connected by oil inlet pipe 61
It is connected on the oil inlet access 51 of clamp bottom board 5, is further connected to by the first oil inlet outlet 551 and the second oil inlet outlet 552
In first hydraulic clamp arm 7 and the second hydraulic clamp arm 8；The oil outlet 42 of oil pressure gyrator 4 is connected to fixture bottom by flowline 62
On the fuel-displaced access 52 of plate 5, further by first go out oil export 561 and second go out oil export 562 be connected to the first hydraulic clip
On arm 7 and the second hydraulic clamp arm 8, to form hydraulic circuit.Oil pressure gyrator 4 controls the first hydraulic clamp arm by hydraulic circuit
7 and second hydraulic clamp arm 8 acted, will workpiece to be processed 10 fastening with workpiece pedestal 2 on.First hydraulic clamp arm 7 and second
Hydraulic clamp arm 8 locks workpiece to be processed 10 from the different directions of Different Plane, improves and fastens to workpiece to be processed 10
Stability Workpiece Machining Accuracy is generated to reduce fixture in process to realize locking to complex part
Influence, further increase the precision of workpiece to be processed.Meanwhile the present embodiment oil pressure gyrator 4 passes through hydraulic circuit to first
The control of hydraulic clamp arm 7 and the second hydraulic clamp arm 8, fast response time realize Automatic-clamping, without manual operation, improve production
Efficiency.Further, hydraulically operated fixture provided in this embodiment is connected on the rotating hydraulic cylinder 1 of original lathe, does not destroy machine
The function of the original hydraulically operated fixture of bed, original hydraulically operated fixture remain to continue to use, therefore numerically-controlled machine tool is except processing regular shape workpiece
Outside, still processable complex part, no replacement is required hydraulically operated fixture improve the utilization efficiency of lathe.
With reference to attached drawing 3, for the leakproofness for increasing hydraulic circuit, it is ensured that oil pressure gyrator 4 is to the first hydraulic clamp arm 7 and second
Sealing ring 59 is provided at the oil inlet entrance 53 of effective control of hydraulic clamp arm 8, oil inlet pipe 61 and oil inlet access 51；Flowline 62
Going out at oil-in 54 for fuel-displaced access 52 is provided with sealing ring 59.
With reference to attached drawing 4a, attached drawing 4b and attached drawing 4c, the fixture base 5 of the present embodiment is connected in terminal pad 3.For convenience of into
The processing and manufacturing of oily access 51 and fuel-displaced access 52, the edge of fixture base 5 are equipped with processing hole 57, by using drill bit from processing
Hole 57 forms channel to processing inside fixture base 5, forms oil inlet access 51 and fuel-displaced access 52.The present embodiment is actually using
In the process, multiple processing holes 57 are blocked, to prevent hydraulic leakage.
With reference to attached drawing 1 and attached drawing 2, for workpiece to be processed 10 to be anchored on workpiece pedestal 9, it is provided with the first hydraulic clamp arm
7.First hydraulic clamp arm 7 includes support frame 71, clamping jaw 72, first hydraulic cylinder 73 and pin shaft 74；There are two support frames 71, two branch
Support 71 is symmetrical about the middle vertical plane of workpiece pedestal 9, is connected on clamp bottom board 5；Support frame 71 is set far from 5 one end of clamp bottom board
It is equipped with supported hole 711.Through-hole is provided among clamping jaw 72, pin shaft 74 passes through the branch on through-hole and support frame 71 among clamping jaw 72
Hole 711 is supportted, clamping jaw 72 is connected on support frame 71, clamping jaw 72 is rotated around pin shaft 74.First hydraulic cylinder 73 has push rod 731,
The oil inlet and outlet of first hydraulic cylinder 73 is connected to the first oil inlet outlet 551 and first on clamp bottom board 5 and goes out oil export 561, connection
In in the groove 58 of clamp bottom board 5, push rod 731 is connected to 72 one end of clamping jaw.When oil pressure gyrator 4 provides hydraulic, pass through liquid
The push rod 731 for pushing back road control first hydraulic cylinder 73 moves, and push rod 731 further pushes 72 one end of clamping jaw, makes clamping jaw 72 around pin
Axis 74 rotates, at this point, the other end of claw 72 is contacted with workpiece to be processed 10, further, push rod 731 continues to move, claw
72 are pressed in workpiece to be processed 10 on workpiece pedestal 9.
For convenience of the adjustment of 72 position of clamping jaw, 72 one end of clamping jaw is provided with long stripes through hole 721, further includes that spiral shell is contained on top
Female bolt, bolt pass through the long stripes through hole 721, clamping jaw 72 are connected on the push rod 731 of first hydraulic cylinder 73.In order to anti-
Workpiece to be processed 10 is only scratched, also for the frictional force for increasing clamping jaw 72 and workpiece to be processed 10, clamping jaw 72 is close to work to be processed
Part side is provided with rubber block 75, to improve the first hydraulic clamp arm 7 to the stability of work piece.
The first liquid is being different from reference to attached drawing 1 and attached drawing 2 to increase the stability that fixture fastens workpiece to be processed 10
It presses clamp arm 7 to apply the direction of clamping force, applies the clamping force in another direction, be provided with the second hydraulic clamp arm 8.Second hydraulic clip
Arm 8 includes pedestal 81, bracket 82, compact heap 84 and second hydraulic cylinder 85.There are two through-hole 811, the second liquid for setting on pedestal 81
Cylinder pressure 85 is connected on clamp bottom board 5 by the pedestal 81, and by two through-holes on pedestal 81, second hydraulic cylinder is connected to
Second oil inlet outlet 552 and second goes out on oil export 562, forms hydraulic circuit.It is separate that bracket 82 is connected to second hydraulic cylinder 85
On the face of 81 side of pedestal, axis 83 is connected on bracket 82；Compact heap 84 is long strip block, and middle position is articulated with branch by axis 83
On frame 82, compact heap 84 can be rotated around axis 83.The push rod 851 of second hydraulic cylinder 85 is articulated with 84 one end of compact heap, the pressure
Tight 84 one end of block and the push rod 851 of second hydraulic cylinder 85 are hinged, and the middle section of the compact heap 84 is articulated with bracket 82
On axis 83.When oil pressure gyrator 4 provides hydraulic, by hydraulic circuit, pushes the push rod 851 of second hydraulic cylinder 85 to move, push away
Bar 851 pushes 84 one end of compact heap, rotates compact heap 84 around axis 83, and 84 other end of compact heap connects with workpiece to be processed 10
Touching, further, 851 further movement of push rod, compact heap 84 confine workpiece to be processed 10 on workpiece pedestal 9.
To further increase the fastening direction to workpiece to be processed 10, enhance the stability of clamping, the second hydraulic clamp arm 8 is set
There are two setting, symmetrically it is connected on clamp bottom board 5 relative to 9 middle vertical plane of workpiece pedestal.
In order to further increase the stability clamped to workpiece to be processed 10, workpiece pedestal 9 and the first hydraulic 7 phase of clamp arm
Pair face on be provided with workpiece fixing lug boss 92.The hole for connecting workpiece to be processed 10 is additionally provided on workpiece pedestal 9, it can be with
For through-hole, threaded hole, stepped hole etc., corresponding hole is selected according to practical work piece.
To more fully understand the present embodiment, the motion process of the present embodiment is described further:
The oil inlet 41 of oil pressure gyrator 4 and oil outlet 42 are connected on inflow pipeline and flowline；It is returned from oil pressure
The oil inlet 41 for turning device 4 is input into hydraulic, is entered in the oil inlet access 51 of clamp bottom board 5 by oil inlet pipe 61, then hydraulic
First hydraulic cylinder 73 and the second liquid are entered by the first oil inlet on oil inlet access 51 outlet 551 and the second oil inlet outlet 552
In cylinder pressure 85, the push rod of first hydraulic cylinder 73 is further pushed, drives clamping jaw 72 that workpiece to be processed 10 is fixed on workpiece pedestal 9
On, while the push rod 851 of two the second hydraulic clamp arm 8 of hydraulic drive, drive compact heap 84 that workpiece to be processed 10 is fixed on work
On part pedestal 9, workpiece to be processed 10 is fastened from different directions at this time.When workpiece to be processed 10 after processing is completed, first
The hydraulic of hydraulic cylinder 73 and second hydraulic cylinder 85 goes out oil export 561 and second by first and goes out oil export 562, through fuel-displaced access
52, then via flowline 62, oil pressure gyrator 4 is returned to, and be discharged by the oil outlet 42 of oil pressure gyrator 4.First hydraulic cylinder
73 push rod 731 is shunk, and drives clamping jaw 72 far from workpiece to be processed, meanwhile, the push rod 851 of second hydraulic cylinder 85 is shunk, and is driven
Compact heap 84 releases the fastening to workpiece far from workpiece to be processed.
Claims (7)
1. a kind of hydraulically operated fixture, is connected on hydraulic clamp base, hydraulic clamp base includes rotating hydraulic cylinder, pull rod and connection
Disk, pull rod are connected on rotating hydraulic cylinder characterized by comprising
Oil pressure gyrator, the oil pressure gyrator have oil inlet and oil outlet, and it is hydraulic that the oil pressure gyrator is connected to revolution
The one end of cylinder far from pull rod；
Clamp bottom board, the clamp bottom board have oil inlet access and fuel-displaced access, and the oil inlet access has oil inlet entrance, first
Oil inlet outlet and the second oil inlet outlet, the oil inlet entrance are set on an end face of the clamp bottom board, first oil inlet
Outlet and second oil inlet outlet is formed on the other end of the clamp bottom board, the fuel-displaced access have it is fuel-displaced enter
Mouthful, first go out oil export and second go out oil export, it is described go out oil-in and the oil inlet entrance be formed in the clamp bottom board
On same end face, described first goes out oil export, described second, and oil export, first oil inlet outlet and second oil inlet go out out
Mouth is all set on the same end face of clamp bottom board；
Oil inlet pipe, the oil inlet pipe pass through pull rod and terminal pad, the oil inlet of one end of the oil inlet pipe and the oil pressure gyrator
Mouth connection, the other end of the oil inlet pipe are connected to the oil inlet entrance of the oil inlet access；
Flowline, the flowline pass through pull rod and terminal pad, and one end of the flowline is fuel-displaced with the oil pressure gyrator
Mouth is connected, and the other end of the flowline is connected to the oil-in that goes out of the fuel-displaced access；
First hydraulic clamp arm, the first hydraulic clamp arm are connected on the clamp bottom board, the first hydraulic clamp arm with it is described
First oil inlet outlet goes out oil export with described first and is connected；
Second hydraulic clamp arm, the second hydraulic clamp arm are connected on the clamp bottom board, the second hydraulic clamp arm with it is described
Second oil inlet outlet goes out oil export with described second and is connected；And
Workpiece pedestal, the workpiece pedestal are connected on the clamp bottom board, the workpiece pedestal and the described first hydraulic clamp arm
Relatively, the described second hydraulic clamp arm is between the workpiece pedestal and the first hydraulic clamp arm.
2. hydraulically operated fixture according to claim 1, it is characterised in that: the first hydraulic clamp arm include support frame, clamping jaw,
Pin shaft and first hydraulic cylinder, support frame as described above are connected on the clamp bottom board, and support frame as described above is far from the clamp bottom board one
End is provided with supported hole, and through-hole is provided among the clamping jaw, and pin shaft passes through through-hole and the clamping jaw is connected to support frame as described above
Supported hole in, the clamping jaw is rotated around pin shaft, and the first hydraulic cylinder is connected on clamp bottom board, the first hydraulic cylinder with
The first oil inlet outlet goes out oil export with first and is connected, and the push rod of the first hydraulic cylinder is connected on the clamping jaw.
3. hydraulically operated fixture according to claim 2, it is characterised in that: the first hydraulic clamp arm further includes bolt, described
It is connected with nut at the top of bolt, long stripes through hole is provided on the clamping jaw, the bolt passes through the long stripes through hole for institute
Clamping jaw is stated to be connected on push rod.
4. hydraulically operated fixture according to claim 3, it is characterised in that: the clamping jaw is different from described long stripes through hole one end
It is connected with rubber block.
5. hydraulically operated fixture according to claim 1, it is characterised in that: the second hydraulic clamp arm includes pedestal, bracket, pressure
Tight block and second hydraulic cylinder, there are two through-hole, the second hydraulic cylinders to be connected to by the pedestal described for the pedestal setting
On clamp bottom board, the second hydraulic cylinder exported by two through-holes with second oil inlet and second go out oil export be connected,
The bracket is connected on face of the second hydraulic cylinder far from the pedestal side, is articulated on bracket among the compact heap, institute
The push rod for stating compact heap and second hydraulic cylinder is hinged.
6. hydraulically operated fixture according to claim 5, it is characterised in that: there are two the second hydraulic clamp arm, relative to work
Part pedestal middle vertical plane is symmetrically connected on clamp bottom board.
7. hydraulically operated fixture according to claim 1, it is characterised in that: workpiece pedestal is provided with workpiece fixing lug boss, workpiece
Fixing lug boss is opposite with the first hydraulic clamp arm, is additionally provided with the hole for connecting workpiece to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920337327.6U CN209664344U (en) | 2019-03-15 | 2019-03-15 | Hydraulically operated fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920337327.6U CN209664344U (en) | 2019-03-15 | 2019-03-15 | Hydraulically operated fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209664344U true CN209664344U (en) | 2019-11-22 |
Family
ID=68571854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920337327.6U Expired - Fee Related CN209664344U (en) | 2019-03-15 | 2019-03-15 | Hydraulically operated fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209664344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649933A (en) * | 2021-08-16 | 2021-11-16 | 河海大学 | Mechanical structure of automatic clamping device for mechanical polishing |
-
2019
- 2019-03-15 CN CN201920337327.6U patent/CN209664344U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649933A (en) * | 2021-08-16 | 2021-11-16 | 河海大学 | Mechanical structure of automatic clamping device for mechanical polishing |
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| 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: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |