CN203936647U - A kind of annular hydraulic cylinder lockable mechanism - Google Patents
A kind of annular hydraulic cylinder lockable mechanism Download PDFInfo
- Publication number
- CN203936647U CN203936647U CN201420393294.4U CN201420393294U CN203936647U CN 203936647 U CN203936647 U CN 203936647U CN 201420393294 U CN201420393294 U CN 201420393294U CN 203936647 U CN203936647 U CN 203936647U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- annular
- annular hydraulic
- rotating shaft
- locking
- 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 - Lifetime
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 17
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 230000000266 injurious effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model provides a kind of annular hydraulic cylinder lockable mechanism, need to rotate the workbench of adjustment for lathe, the especially outstanding rotary table of arranging of side, and while needing larger locking power, locking is used.The utility model is that annular hydraulic cylinder is set in the rotating shaft of connecting working table, by spacing thrust snap ring by annular hydraulic cylinder axial location between snap ring and the tank wall of support casing.In the time that the hydraulic oil of cylinder device enters oil cylinder, piston produces axial thrust by workbench locking; In the time of hydraulic oil commutation pressure release, piston pressure is eliminated, the rotatable adjustment of workbench.The utility model adopts annular hydraulic cylinder as locking executive component, and oil cylinder sectional area can design greatlyr, and oil cylinder locking power strengthens, and locking distribution of force is even, and lockable mechanism is stressed does not produce injurious deformation, and locking control is convenient, safe and reliable.
Description
Technical field
The utility model relates to a kind of mechanism that utilizes annular hydraulic cylinder to carry out mechanical locking, particularly a kind of mechanism that utilizes annular heavy in section hydraulic cylinder the outstanding rotary table of installing of lathe side to be carried out to high thrust secure ratcs.
Background technology
In Machine Tool design and manufacture process, the rotation of a few thing platform and postrotational locking are the basic functions that must realize.Reliable firmly locking method and device are the primary conditions that ensures lathe work rigidity, steady operation.Traditional locking mode have mechanical spiral lock only, snap lock hydraulic pressure locking etc.Wherein hydraulic pressure locking, because detent pressure is large, is easy to realize the advantage application such as automatic control more general.The unfavorable locking factors such as but the executive component of traditional hydraulic pressure locking is columnar hydraulic cylinder, is unfavorable for the design and installation of lockable mechanism, cylindrical hydraulic cylinder also exists locking power as limited in area limited, and stress surface is concentrated.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to overcome deficiency of the prior art, provides a kind of simple and compact for structure, and locking power is large, distribution of force is even, and is difficult for the annular hydraulic cylinder lockable mechanism of stress deformation.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of annular hydraulic cylinder lockable mechanism, comprise workbench 1, support casing 2 and rotating shaft 8, described rotating shaft 8 is arranged in described support casing 2 rotationally, the head side wall of described rotating shaft 8 is processed with worm-gear toothing, on described worm-gear toothing, be engaged with worm screw 10, the afterbody of described rotating shaft 8 passes the circular hole on described support casing 2 sidewalls and extends to outside described support casing 2, described workbench 1 is fixedly connected on the end of described rotating shaft 8, the sidewall of described rotating shaft 8 is provided with backstop step 11, described rotating shaft 8 upper sliding sleeves have annular hydraulic cylinder, described annular hydraulic cylinder is between described backstop step 11 and the inwall of described support casing 2.
Further, described annular hydraulic cylinder comprises circular cylinder 12 and annular piston body 13, the end face of described circular cylinder 12 offers annular oil groove, the sidewall of described circular cylinder 12 offers the fuel feed hole and the oil outlet that are communicated with described annular oil groove, the end face of described annular piston body 13 is provided with annular protrusion, described annular protrusion cunning fits in described annular oil groove, and is provided with sealing ring between described annular protrusion and the contact-making surface of described annular oil groove.
Further, on the opposite face of described circular cylinder 12 and described annular piston body 13, all offer axial guide hole, in described axial guide hole, be equipped with axially directed pin 15.
Further, the inwall of described support casing 2 is provided with described annular hydraulic cylinder is carried out to radially spacing, axially directed position-limit mechanism.
Further, described position-limit mechanism comprises and is opened in vertically the stopper slot of described annular hydraulic cylinder sidewall and is fixed on the radially spacer pin 3 in described support casing 2, and the head of described radially spacer pin 3 is positioned at described stopper slot.
Further, described backstop step 11 is snap ring.
Further, described snap ring is that two semi-rings are formed by connecting.
(3) beneficial effect
The utility model annular hydraulic cylinder lockable mechanism, locking executive component adopts annular hydraulic cylinder, produces larger thrust thereby have larger cross section, and annular hydraulic cylinder is simple in structure, easy for installation; When work, piston body moves axially 1mm with the interior locking and unclamping just can realized, and bulk is little.The axial contact area of annular hydraulic cylinder is large and stressed even, and annular cylinder coordinates and makes it can automatically adjust the non-perpendicularity that contacts end face with annular piston body, and locking is reliable; When locking, base box body sidewall compression chord, rotating shaft tension stress, does not exist and is subject to locking power and produces the stress deformation that is unfavorable for lathe.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model annular hydraulic cylinder lockable mechanism;
Fig. 2 is A portion enlarged drawing in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing 1 and accompanying drawing 2, the utility model is further described.
The utility model provides a kind of annular hydraulic cylinder lockable mechanism, comprise workbench 1, support casing 2 and rotating shaft 8, rotating shaft 8 is arranged in support casing 2 rotationally, head side wall in rotating shaft 8 offers worm-gear toothing, on this worm-gear toothing, be engaged with worm screw 10, the afterbody of rotating shaft 8 passes the circular hole on support casing 2 sidewalls and extends to outside support casing 2, workbench 1 is fixedly connected on the end of rotating shaft 8, be provided with backstop step 11 at the sidewall of rotating shaft 8, have annular hydraulic cylinder at rotating shaft 8 upper sliding sleeves, this annular hydraulic cylinder is between backstop step 11 and the inwall of support casing 2; Annular hydraulic cylinder in the present embodiment comprises circular cylinder 12 and annular piston body 13, end face at circular cylinder 12 offers annular oil groove, offer the fuel feed hole and the oil outlet that are communicated with annular oil groove at the sidewall of circular cylinder 12, be provided with annular protrusion at the end face of annular piston body 13 simultaneously, annular protrusion cunning fits in annular oil groove, and is provided with sealing ring between annular protrusion and the contact-making surface of annular oil groove; Between circular cylinder and annular piston body, produce radial rotating, on the opposite face of circular cylinder 12 and annular piston body 13, all offer axial guide hole, in this axial guide hole, be equipped with axially directed pin 15; Rotate with rotating shaft for fear of annular hydraulic cylinder, be provided with annular hydraulic cylinder is carried out to radially spacing, axially directed position-limit mechanism at the inwall of support casing 2; This position-limit mechanism comprises and is opened in vertically the stopper slot of annular hydraulic cylinder sidewall and is fixed on the radially spacer pin 3 in support casing 2, this radially the head of spacer pin 3 be positioned at described stopper slot; Install for convenient, the backstop step 11 in the present embodiment is snap ring, and further, this snap ring is that two semi-rings are formed by connecting.
Below installation steps and operation principle are elaborated;
The workbench 1 that need to possess spinfunction rigidly fixes and is connected with rotating shaft 8 use screws 9, and outstanding moving cooperation of side is inserted in the circular hole of base box body 2 tank walls, and when installation, in rotating shaft, moving cooperation is inserted in annular hydraulic cylinder.This annular hydraulic cylinder is made up of circular cylinder 12, annular piston body 13, sealing ring 14 and axially directed pin 15, axially directed pin and circular cylinder stationary fit, coordinate with annular piston body is moving, annular piston body 13 can be axially moved and do not produce swing offset with circular cylinder, on support casing 2, with spacer pin 3 radially, annular cylinder limited and do not rotate with rotating shaft, these radially position-limitting pin 3 and 2 stationary fits of support casing, make certain interval with circular cylinder movingly coordinate moving axially of trace when circular cylinder is worked; Snap in the two semi-rings compositions snap rings that separate for double in the groove of rotating shaft and form backstop step 11, by annular hydraulic cylinder axial location between tank wall and snap ring, axial distance 1mm left and right, now, annular piston body is close to circular cylinder end face.When workbench needs locking, the oil that oil pump 6 produces enters in the oil groove of annular cylinder through joints 16 through check valve 5, two-position two-way solenoid valve 4 and by pipeline 7 successively, and annular piston body produces thrust by workbench locking; When two-position two-way solenoid valve commutation, enter the hydraulic oil commutation pressure release of oil cylinder, locking is removed, worm screw 10 just can drive shaft drive worktable rotary, in the present embodiment, when magnetic valve 4 is set for no power, hydraulic oil enters annular cylinder by workbench locking, annular cylinder pressure release when energising, and workbench can be done rotation adjustment.
The utility model annular hydraulic cylinder lockable mechanism, locking executive component adopts annular hydraulic cylinder, produces larger thrust thereby have larger cross section, and annular hydraulic cylinder is simple in structure, easy for installation; When work, piston body moves axially 1mm with the interior locking and unclamping just can realized, and bulk is little.The axial contact area of annular hydraulic cylinder is large and stressed even, and annular cylinder coordinates and makes it can automatically adjust the non-perpendicularity that contacts end face with annular piston body, and locking is reliable; When locking, base box body sidewall compression chord, rotating shaft tension stress, does not exist and is subject to locking power and produces the stress deformation that is unfavorable for lathe.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. an annular hydraulic cylinder lockable mechanism, it is characterized in that: comprise workbench (1), support casing (2) and rotating shaft (8), described rotating shaft (8) is arranged in described support casing (2) rotationally, the head side wall of described rotating shaft (8) is processed with worm-gear toothing, on described worm-gear toothing, be engaged with worm screw (10), the afterbody of described rotating shaft (8) passes the circular hole on described support casing (2) sidewall and extends to outside described support casing (2), described workbench (1) is fixedly connected on the end of described rotating shaft (8), the sidewall of described rotating shaft (8) is provided with backstop step (11), described rotating shaft (8) upper sliding sleeve has annular hydraulic cylinder, described annular hydraulic cylinder is positioned between described backstop step (11) and the inwall of described support casing (2).
2. annular hydraulic cylinder lockable mechanism as claimed in claim 1, it is characterized in that: described annular hydraulic cylinder comprises circular cylinder (12) and annular piston body (13), the end face of described circular cylinder (12) offers annular oil groove, the sidewall of described circular cylinder (12) offers the fuel feed hole and the oil outlet that are communicated with described annular oil groove, the end face of described annular piston body (13) is provided with annular protrusion, described annular protrusion cunning fits in described annular oil groove, and is provided with sealing ring between described annular protrusion and the contact-making surface of described annular oil groove.
3. annular hydraulic cylinder lockable mechanism as claimed in claim 2, it is characterized in that: on the opposite face of described circular cylinder (12) and described annular piston body (13), all offer axial guide hole, in described axial guide hole, be equipped with axially directed pin (15).
4. annular hydraulic cylinder lockable mechanism as claimed in claim 3, is characterized in that: the inwall of described support casing (2) is provided with described annular hydraulic cylinder is carried out to radially spacing, axially directed position-limit mechanism.
5. annular hydraulic cylinder lockable mechanism as claimed in claim 4, it is characterized in that: described position-limit mechanism comprises and be opened in vertically the stopper slot of described annular hydraulic cylinder sidewall and be fixed on the radially spacer pin (3) in described support casing (2), the head of described radially spacer pin (3) is positioned at described stopper slot.
6. annular hydraulic cylinder lockable mechanism as claimed in claim 1, is characterized in that: described backstop step (11) is snap ring.
7. annular hydraulic cylinder lockable mechanism as claimed in claim 6, is characterized in that: described snap ring is that two semi-rings are formed by connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393294.4U CN203936647U (en) | 2014-07-16 | 2014-07-16 | A kind of annular hydraulic cylinder lockable mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393294.4U CN203936647U (en) | 2014-07-16 | 2014-07-16 | A kind of annular hydraulic cylinder lockable mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203936647U true CN203936647U (en) | 2014-11-12 |
Family
ID=51855995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420393294.4U Expired - Lifetime CN203936647U (en) | 2014-07-16 | 2014-07-16 | A kind of annular hydraulic cylinder lockable mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203936647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128805A (en) * | 2014-07-16 | 2014-11-05 | 宁波夏拓机械装备有限公司 | Annular hydraulic cylinder locking mechanism |
-
2014
- 2014-07-16 CN CN201420393294.4U patent/CN203936647U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128805A (en) * | 2014-07-16 | 2014-11-05 | 宁波夏拓机械装备有限公司 | Annular hydraulic cylinder locking mechanism |
| CN104128805B (en) * | 2014-07-16 | 2017-02-08 | 宁波夏拓机械装备有限公司 | Annular hydraulic cylinder locking mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202292174U (en) | Clamping and centering device of ring-shaped workpieces | |
| CN204234905U (en) | A kind of gear teeth clamp | |
| CN201283505Y (en) | Spindle taper for axial positioning | |
| CN103418856B (en) | Double-piece gear-hobbing clamp | |
| CN204018781U (en) | A kind of multistation valve flange drilling equipment | |
| CN203636504U (en) | Precise rotary working table | |
| CN203936647U (en) | A kind of annular hydraulic cylinder lockable mechanism | |
| CN202278393U (en) | Hydraulic clamping device for gear ring of rotary worktable | |
| CN203863043U (en) | Multi-position cutter head for lathe | |
| CN104128805A (en) | Annular hydraulic cylinder locking mechanism | |
| CN204183002U (en) | A kind of workpiece inside groove milling attachment | |
| CN203973235U (en) | A kind of fuel injection pump gear clamp for machining | |
| CN202934394U (en) | Numerically controlled knife rest feeding structure of vertical lathe | |
| CN202922277U (en) | Lever-driven self-centering hydraulic clamp | |
| CN203236179U (en) | Rotating pipe-cutting chuck | |
| CN203610713U (en) | Simple radial drilling machine with high efficiency | |
| CN102922359A (en) | Feeding structure of numerical control cutter rest of vertical lathe | |
| CN101985183A (en) | Hobbing cutter rest rotating device capable of locating accurately | |
| CN204471060U (en) | Automatic withdrawal boring cutter box on a kind of heavy horizontal lathe | |
| CN204221389U (en) | Numerical control rotary unit head | |
| CN103170666B (en) | The Milling Machining structure of the outer ∞ font groove of axial workpiece | |
| CN203765320U (en) | Boring cutter seat | |
| CN105965076A (en) | Valve cover surface milling mechanism of processing equipment for valve cover of electromagnetic valve | |
| CN101716728A (en) | Vertical working rotary table | |
| CN204584474U (en) | Indexable hydraulic pressure outer clip overturning chuck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |