CN206129781U - Rotary clamping hydraulic means - Google Patents
Rotary clamping hydraulic means Download PDFInfo
- Publication number
- CN206129781U CN206129781U CN201621199912.7U CN201621199912U CN206129781U CN 206129781 U CN206129781 U CN 206129781U CN 201621199912 U CN201621199912 U CN 201621199912U CN 206129781 U CN206129781 U CN 206129781U
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- CN
- China
- Prior art keywords
- piston
- cylinder body
- sealing ring
- fairlead
- hole
- 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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Abstract
The utility model discloses a rotary clamping hydraulic means, main content is: install in the mounting hole of clamp plate on the piston rod top, the round pin axle is installed in the cylinder hole of clamp plate, be equipped with positioning groove on the uide bushing bottom surface, the cylinder body is installed in the positioning groove of uide bushing, the cylinder body top surface is equipped with the annular groove, pipe joints installs in the mounting hole on uide bushing left end face, the piston is installed on the bottom surface of piston rod, the support ring is installed in the annular groove of piston, plastic plug installs in the radial hole of piston, the guiding axle is installed in the radial hole of piston, the guiding axle afterbody is installed in the recess of guide pillar, install on the bottom surface of piston on the guide pillar top, the positioning disk is installed on the guide pillar and the positioning disk is located the cylinder body, install the second sealing washer between the outer face of cylinder of positioning disk hole and guiding axle, install the third sealing washer between the inner wall of the outer face of cylinder of positioning disk and cylinder body, lower cover fixed mounting is on the bottom surface of cylinder body.
Description
Technical field
This utility model is related to rotation and clamps technical field, specifically, more particularly to a kind of rotation clamping unit.
Background technology
Rotation clamping device on market, major part adopts pneumatic pinch, only heavy load cutting in or some lathes
Per se with the group platform lathe of hydraulic system, hydraulically operated fixture is just used.But because air has compressibility, operating pressure low, because
This air-actuated jaw volume is big, and clamping poor rigidity (in the case of platen limited space or in heavy load cutting, this problem
It is especially prominent).In addition, also have that rotation clamping is carried out using mechanical mechanism, but due to the limitation (some mechanical of mechanical mechanism itself
There is dead point in mechanism) cause when using mechanical mechanism, subsequent cycle can not be entered during clamping, so as to affect the correct operating of mechanism
With action.And easily occur oil leak, quick abrasion, automaticity is low, mechanism is complicated, high cost problem.
Utility model content
Technical problem to be solved in the utility model is, for above-mentioned deficiency of the prior art, to disclose a kind of rotation
Turn clamping unit, which employs principle of the hydraulic system in combination with mechanical mechanism, compensate for triangular web or structure
Deficiency, the smooth reliability of action of clamping device is ensure that from principle.
This utility model solves the technical scheme that its technical problem adopted：One kind rotation clamping unit, including
Piston rod, pressing plate, bearing pin, the first sealing ring, fairlead, oil connection, support ring, plastic plug, guide pillar, the second sealing ring, under
Lid, positioning disk, the axis of guide, the 3rd sealing ring, cylinder body, piston, the 4th sealing ring and the 5th sealing ring；The piston rod top leads to
Cross screw to be fixedly mounted in the installing hole of pressing plate, the bearing pin is arranged in the cylindrical hole of pressing plate, on the fairlead bottom surface
Detent is provided with, the cylinder body is arranged in the detent of fairlead and cylinder body is fixed by screws on fairlead, institute
State and the first sealing ring and the 5th sealing ring are installed between the external cylindrical surface of piston rod and the cylindrical hole of fairlead, the cylinder body top
Face is provided with annular groove, and the 4th sealing ring is arranged in the annular groove of cylinder body and the 4th sealing ring top surface withstands on fairlead
On the top surface of detent, the oil connection is arranged in the installing hole on fairlead left side, the piston fixed installation
On the bottom surface of piston rod and piston is located in cylinder body, the outside piston cylinder is provided with annular groove, the support ring peace
In being mounted in the annular groove of piston, the plastic plug is arranged in the radial hole of piston, and the axis of guide is arranged on the footpath of piston
Xiang Kongli and plastic plug withstand on and are oriented on the top surface of shaft head, and the axis of guide afterbody is arranged in the groove of guide pillar, described to lead
Capital end is arranged on the bottom surface of piston, and the positioning disk is arranged on guide pillar and positioning disk is located in cylinder body, the positioning disk
Second sealing ring is installed between endoporus and axis of guide external cylindrical surface, is pacified between the positioning disk external cylindrical surface and the inwall of cylinder body
Equipped with the 3rd sealing ring, the lower cover is fixedly mounted on the bottom surface of cylinder body.
Used as a kind of preferred implementation of the present utility model, the fairlead is provided with fuel feed hole, the oil-feed on cylinder body
Hole communicates with the fuel feed hole of fairlead.
As a kind of preferred implementation of the present utility model, it is provided between the outer surface and inboard wall of cylinder block of the piston
Radial direction seal ring.
Used as a kind of preferred implementation of the present utility model, both ends are provided with short straight trough, guide pillar middle part on the guide pillar
It is provided with helicla flute.
Open up a bar groove on guide pillar (to be made up of the short straight trough and middle spiral groove at both ends, straight trough length is approximately more than and leads
To the diameter of axle), piston is for linear motion with respect to guide pillar, and being fixed on the axis of guide in piston hole, to make distance element around guide pillar straight
Line motion-rotation-distance element moves along a straight line, so as to drive unitary piston rod to make distance element linear motion-rotation-distance element
Linear motion, realizes the release rotary motion of fixture, and structure is ensure that from principle without dead point, and operating is reliable.
Support ring is set in supporting annular groove so that the axis of guide increases the tolerances of radial force, and cylinder barrel can when pressurized
More preferably keep stable, and piston rod is difficult unstability and bending, the plastic grain for fundamentally solving plastic plug generation causes cylinder
While cylinder problem on deformation, it is ensured that the stability of clamp system work, clamping cylinder whole service life is improve, and operated
Safety is greatly improved, and is that the realization of safety in production provides safeguard.
This utility model has compared with prior art advantages below：
A kind of rotation clamping unit disclosed in this utility model, which employs hydraulic system in combination with mechanical mechanism
Principle, compensate for the deficiency of triangular web or structure, the smooth reliability of action of clamping device is ensure that from principle；It is simultaneously logical
Cross using the oval cylindrical axis of guide, guidance quality strengthens, it is to avoid produce dumb or catching phenomenon when moving in helicla flute,
Service life is greatly increased.
Description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of the present utility model.
Description of reference numerals：
1：Piston rod, 2：Pressing plate, 3：Bearing pin, 4：First sealing ring, 5：Fairlead, 6：Oil connection, 7：Support ring, 8：Modeling
Material plug, 9：Guide pillar, 10：Second sealing ring, 11：Lower cover, 12：Positioning disk, 13：The axis of guide, 14：3rd sealing ring, 15：Cylinder body,
16：Piston, 17：4th sealing ring, 18：5th sealing ring.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment describes this utility model specific embodiment：
It should be noted that structure, ratio, size for illustrating in this specification institute accompanying drawing etc., only to coordinate explanation
Content disclosed in book, so that those skilled in the art understands and reads, is not limited to this utility model enforceable
Qualificationss, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated this utility model is not affected
Effect and the purpose to be reached under, all should still fall obtain the scope that can cover in the technology contents disclosed in this utility model
It is interior.
Meanwhile, in this specification it is cited such as " on ", D score, "left", "right", the term of " centre " and " ", also
Only understanding for ease of narration, and be not used to limit the enforceable scope of this utility model, its relativeness is altered or modified,
Under without essence change technology contents, when being also considered as the enforceable category of this utility model.
As shown in figure 1, it illustrates specific embodiment of the present utility model；As illustrated, disclosed in this utility model
One kind rotation clamping unit, including piston rod 1, pressing plate 2, bearing pin 3, the first sealing ring 4, fairlead 5, oil connection 6,
Pushing out ring 7, plastic plug 8, guide pillar 9, the second sealing ring 10, lower cover 11, positioning disk 12, the axis of guide 13, the 3rd sealing ring 14, cylinder body
15th, piston 16, the 4th sealing ring 17 and the 5th sealing ring 18；The top of the piston rod 1 is fixedly mounted on pressing plate 2 by screw
In installing hole, the bearing pin 3 is arranged in the cylindrical hole of pressing plate 2, and the bottom surface of the fairlead 5 is provided with detent, the cylinder
Body 15 is arranged in the detent of fairlead 5 and cylinder body 15 is fixed by screws on fairlead 5, outside the piston rod 1
First sealing ring 4 and the 5th sealing ring 18 are installed, the top surface of the cylinder body 15 is provided between the cylindrical hole of the face of cylinder and fairlead 5
Annular groove, the 4th sealing ring 17 is arranged in the annular groove of cylinder body 15 and the top surface of the 4th sealing ring 17 withstands on fairlead
On the top surface of 5 detents, the oil connection 6 is arranged in the installing hole on the left side of fairlead 5, and the piston 16 is fixed
On the bottom surface of piston rod 1 and piston 16 be located at cylinder body 15 in, the external cylindrical surface of the piston 16 is provided with annular groove, institute
Support ring 7 is stated in the annular groove of piston 16, the plastic plug 8 is arranged in the radial hole of piston 16, the guiding
Axle 13 is arranged in the radial hole of piston 16 and plastic plug 8 is withstood on the top surface of the head of the axis of guide 13, the afterbody of the axis of guide 13
In the groove of guide pillar 9, the top of the guide pillar 9 is arranged on the bottom surface of piston 16, and the positioning disk 12 is arranged on guide pillar 9
Upper and positioning disk 12 is located in cylinder body 15, and between the endoporus of the positioning disk 12 and the external cylindrical surface of the axis of guide 13 the second sealing is provided with
Circle 10, is provided with the 3rd sealing ring 14 between the external cylindrical surface of the positioning disk 12 and the inwall of cylinder body 15, the lower cover 11 is fixed
On the bottom surface of cylinder body 15.
Preferably, the fairlead 5 is provided with fuel feed hole, and the fuel feed hole on cylinder body 15 is communicated with the fuel feed hole of fairlead 5.
Preferably, radial direction seal ring is installed between the outer surface of the piston 16 and the inwall of cylinder body 15.
This utility model preferred implementation is explained in detail above in conjunction with accompanying drawing, but this utility model is not limited to
Above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can be with without departing from this utility model
Make a variety of changes on the premise of objective.
Many other changes and remodeling can be made without departing from spirit and scope of the present utility model.It should be appreciated that this reality
Specific embodiment is not limited to new, scope of the present utility model is defined by the following claims.
Claims (4)
- It is 1. a kind of to rotate clamping unit, it is characterised in that：Including piston rod, pressing plate, bearing pin, the first sealing ring, fairlead, Oil connection, support ring, plastic plug, guide pillar, the second sealing ring, lower cover, positioning disk, the axis of guide, the 3rd sealing ring, cylinder body, work Plug, the 4th sealing ring and the 5th sealing ring；The piston rod top is fixedly mounted in the installing hole of pressing plate by screw, described Bearing pin is arranged in the cylindrical hole of pressing plate, and the fairlead bottom surface is provided with detent, and the cylinder body is arranged on fairlead In detent and cylinder body is fixed by screws on fairlead, the external cylindrical surface of the piston rod and the cylindrical hole of fairlead it Between the first sealing ring and the 5th sealing ring are installed, the cylinder deck is provided with annular groove, and the 4th sealing ring is arranged on In the annular groove of cylinder body and the 4th sealing ring top surface is withstood on the top surface of fairlead detent, the oil connection is arranged on In installing hole on fairlead left side, the piston is fixedly mounted on the bottom surface of piston rod and piston is located in cylinder body, institute State outside piston cylinder and be provided with annular groove, the support ring is arranged in the annular groove of piston, and the plastic plug is installed In the radial hole of piston, the axis of guide is arranged in the radial hole of piston and plastic plug withstands on the top surface for being oriented to shaft head On, the axis of guide afterbody is arranged in the groove of guide pillar, and the guide pillar top is arranged on the bottom surface of piston, the positioning disk On guide pillar and positioning disk be located at cylinder body in, be provided with second between the positioning disk endoporus and axis of guide external cylindrical surface close Seal, is provided with the 3rd sealing ring between the positioning disk external cylindrical surface and the inwall of cylinder body, the lower cover is fixedly mounted on cylinder On the bottom surface of body.
- 2. one kind as claimed in claim 1 rotates clamping unit, it is characterised in that：The fairlead is provided with oil-feed Hole, the fuel feed hole on cylinder body is communicated with the fuel feed hole of fairlead.
- 3. one kind as claimed in claim 1 rotates clamping unit, it is characterised in that：The outer surface and cylinder body of the piston Radial direction seal ring is installed between inwall.
- 4. one kind as claimed in claim 1 rotates clamping unit, it is characterised in that：Both ends are provided with short on the guide pillar Straight trough, guide pillar middle part is provided with helicla flute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199912.7U CN206129781U (en) | 2016-11-07 | 2016-11-07 | Rotary clamping hydraulic means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621199912.7U CN206129781U (en) | 2016-11-07 | 2016-11-07 | Rotary clamping hydraulic means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129781U true CN206129781U (en) | 2017-04-26 |
Family
ID=58578476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621199912.7U Expired - Fee Related CN206129781U (en) | 2016-11-07 | 2016-11-07 | Rotary clamping hydraulic means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-11-07 CN CN201621199912.7U patent/CN206129781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20171107 |