CN205290394U - Can bear eccentric load static pressure swivel work head - Google Patents
Can bear eccentric load static pressure swivel work head Download PDFInfo
- Publication number
- CN205290394U CN205290394U CN201520886221.3U CN201520886221U CN205290394U CN 205290394 U CN205290394 U CN 205290394U CN 201520886221 U CN201520886221 U CN 201520886221U CN 205290394 U CN205290394 U CN 205290394U
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- Prior art keywords
- platform
- static pressure
- eccentric load
- oil
- base
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Abstract
The utility model relates to a mechanical control technical field, concretely relates to can bear eccentric load static pressure swivel work head, the utility model discloses swivel work head includes: base and rotary platform, be equipped with base guide rail and rotation axis core on the base, rotary platform can use this rotation axis core to rotate as the center, rotary platform's bottom is fixed with the platform guide rail, platform guide rail and the mutual clearance fit of base guide rail, being equipped with the oil pocket more than two on the upper surface of base guide rail, all being connected with liquid way control switch in every oil pocket, all liquid way control switch all are connected with oil pressure pump and batch oil tank through the pipeline in proper order, every the outside of oil pocket all is equipped with the inductor, the utility model discloses a do not have the slope when table surface is rotatory, prolonged the life of workstation, improve the machining precision greatly, and make the made range extension of lathe, process more in a flexible way.
Description
Technical field
This utility model relates to machine control techniques field, is specifically related to one and can bear eccentric load static pressure rotary worktable.
Background technology
In existing product processing, often need to use revolving workbench, product to be processed is positioned on rotary table and is processed, and in existing static pressure rotary worktable, in its oil pocket that hydraulic oil on average can be exported on guide rail before rotating, then guide rail composition surface is pushed open, at guide rail composition surface intermediate formation oil film, work top is made to ramp up, can allow driving rotary components that work top is rotated, refer to Fig. 1, but when the load center of gravity A running into product deviates turntable center, owing to rotation platform B pressurized is uneven, cause that the oil pocket pressurized of mesa base is unequal, owing to the oil pocket pressurized at the relatively light part C of workbench is less, so oil pump capacity can be more, and the distance that work top is raised above can be higher, otherwise the oil pocket pressurized of heavier part D is bigger, so the oil mass gone out can be less, and the distance that work top is raised above can be relatively low, or there will be situation about can not rising, so will separately arrive work top, so that the monolateral upper/lower guide of rotation platform forces together, two faces of guide rail can produce friction when rotated, long-time use slowly will be worn and torn guide rail surface, make guide rail surface out-of-flatness, until guide rail surface may wear to outside out-of-size permissible range, work top finally can not be made to rise, if work top tilts to make the coarctate friction of guide rail more than when rotating driving force, turntable also cannot rotate.
Summary of the invention
For overcoming drawbacks described above, namely the purpose of this utility model is in that to provide one can bear eccentric load static pressure rotary worktable.
The purpose of this utility model is achieved through the following technical solutions:
This utility model is that one can bear eccentric load static pressure rotary worktable, including:
Base and rotation platform, described base is provided with base rail, described base rail is loop configuration and its annular center is provided with rotation shaft core, described rotation platform is movably set in this rotation shaft core, and pivot about with this rotation shaft core, the bottom of described rotation platform is fixed with platform rail, and described platform rail is arranged on base rail, and clearance fit mutual to base rail;The upper surface of described base rail is provided with plural oil pocket, described oil pocket is evenly distributed in the upper surface of described base rail, and each oil pocket is respectively connected with liquid way control switch, all liquid way control switch are connected with oil pressure pump and fuel reserve tank successively each through pipeline, the outside of each described oil pocket is equipped with induction apparatus, described induction apparatus is arranged on base rail, and its induction end is relative with platform rail, and described induction apparatus is connected with liquid way control switch by control unit; The bottom of described rotation platform is further fixed on the first rotary driving member, and described base is provided with motor, and described motor is connected by the second rotary driving member and the first rotary driving member.
Further, it is provided with selection between described liquid way control switch and described oil pressure pump and controls valve, described oil pressure pump connects with selecting the input controlling valve, the described outfan selecting to control valve is connected with all liquid way control switch, its another outfan is connected to lock station oil cylinder, described lock station oil cylinder is parallel with poultry energy device, described poultry can be used for preserving the pressure of lock station oil cylinder by device, described lock station oil cylinder is located at the outside of base rail, equipped with briquetting on push rod on described lock station oil cylinder, the bottom of described briquetting coordinates with the upper surface of described rotation platform, for rotation platform and base rail are locked together.
Further, the center of rotation of described rotation platform is provided with encoder, and the rotary angle position of rotation platform is fed back in control unit by described encoder.
Further, described selection controls to be provided with oil filter between valve and oil pressure pump.
Further, described first rotary driving member is be fixed on the gear wheel bottom rotation platform, described second rotary driving member includes: two little gears being meshed with gear wheel, each little gear all connects with a reduction box, is connected with the outfan of described motor by synchronous pulley and Timing Belt between two reduction boxes.
Further, the quantity of described lock station oil cylinder is four, and it is distributed in the outside of base rail uniformly.
Further, described Timing Belt being connected to pulley, described pulley is arranged between two synchronous pulleys.
Further, described selection controls valve is electromagnetic valve.
Further, described induction apparatus includes: pressure inductor or photoelectric sensor.
The injection rate of hydraulic oil is controlled by this utility model according to the center of gravity of processed product, rotary table is made to be maintained on horizontal level, work top does not tilt, guide rail composition surface is completely separate when rotated, extend the service life of workbench, and workpiece can be allowed to keep vertical, it is greatly improved machining accuracy; Arbitrarily workpiece can be put in the scope of work top so that the made expanded range of lathe simultaneously, process more flexible.
Accompanying drawing explanation
For ease of illustrating, this utility model is described in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the principle schematic of prior art;
Fig. 2 is this utility model rotary table operation principle schematic diagram;
Fig. 3 is the overall structure schematic diagram of this utility model rotary table;
Fig. 4 is the Facad structure schematic diagram of this utility model rotary table;
Fig. 5 is the structural representation that this utility model rotary table goes rotation platform later angle;
Fig. 6 is that this utility model rotary table removes the structural representation of another angle after rotation platform.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further described. Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Referring to Fig. 2 to Fig. 6, this utility model is that one can bear eccentric load static pressure rotary worktable, comprising:
Base 1 and rotation platform 5, described base 1 is provided with base rail 2, described base rail 2 is provided with rotation shaft core 4 for loop configuration and its annular center, described rotation platform 5 is movably set in this rotation shaft core 4, and pivot about with this rotation shaft core 4, the bottom of described rotation platform 5 is fixed with platform rail 6, described platform rail 6 is arranged on base rail 2, and clearance fit mutual to base rail 2, namely the lower surface of platform rail 6 cooperates with the upper surface of base rail 2;The upper surface of described base rail 2 is provided with plural oil pocket 3, described oil pocket 3 is evenly distributed in the upper surface of described base rail 2, and each oil pocket 3 is respectively connected with liquid way control switch 7, all liquid way control switch 7 are connected with oil pressure pump 10 and fuel reserve tank 9 successively each through pipeline 13, one liquid way control switch 7 controls the oil transportation channel of an oil pocket 3, the outside of each described oil pocket 3 is equipped with induction apparatus 8, is relation one to one between this liquid way control switch 7, oil pocket 3 and induction apparatus 8; Described induction apparatus 8 is arranged on base rail 2, and its induction end is relative with platform rail 6, and it is for detecting whether the platform rail 6 on its correspondence position connects with base rail 2; Described induction apparatus 8 is connected with liquid way control switch 7 by control unit (not shown); The control unit (not shown) testing result according to induction apparatus 8, is controlled the folding of liquid way control switch 7; The bottom of described rotation platform 5 is further fixed on the first rotary driving member, and described base 1 is provided with motor 31, and described motor 31 is connected by the second rotary driving member and the first rotary driving member. In this utility model, motor 31 drives the first rotary driving member by the second rotary driving member, so that rotation platform 5 pivots about to rotate shaft core 4, platform rail 6 rotates also relative to base rail 2; Owing to oil pocket 3 each in base rail 2 is controlled each through independent liquid way control switch 7, it realizes the oil pocket 3 of position corresponding to loaded article center of gravity 41 is injected hydraulic oil 40, the oil pocket 3 of other positions will be not injected into or discharge hydraulic oil 40, to ensure that rotation platform 5 will not produce because pressurized is uneven.
Further, it is provided with selection between described liquid way control switch 7 and described oil pressure pump 10 and controls valve 12, described oil pressure pump 10 connects with selecting the input controlling valve 12, the described outfan selecting to control valve 12 is connected with all liquid way control switch 7, its another outfan is connected to lock station oil cylinder 21, described selection controls valve 12 and can the oil circuit of the oil circuit of liquid way control switch 7 or lock station oil cylinder 21 be selectively turned on, when selecting to connect the oil circuit of liquid way control switch 7, so lock station oil cylinder 21 will not be operated, when selecting to connect the oil circuit of lock station oil cylinder 21, so liquid way control switch 7 will not be operated, described lock station oil cylinder 21 is parallel with poultry energy device 22, described poultry can be used for preserving the pressure of lock station oil cylinder 21 by device 22, described lock station oil cylinder 21 is located at the outside of base rail 2, equipped with briquetting 23 on push rod on described lock station oil cylinder 21, the bottom of described briquetting 23 coordinates with the upper surface of described rotation platform 5, for rotation platform 5 and base rail 2 are locked together, when needs carry out sealed, briquetting 23 is pressed under under the control of lock station oil cylinder 21, rotation platform 5 and base 1 are carried out compression sealed.
Further, the center of rotation of described rotation platform 5 is provided with encoder 41, the rotary angle position of rotation platform 5 is fed back in control unit by described encoder 41, described encoder 41 is for reading the rotation information that rotation platform 5 is real-time, the i.e. present location of rotation platform 5, and feed this information to control unit.
Further, described selection controls to be provided with oil filter 11 between valve 12 and oil pressure pump 10.
Further, described first rotary driving member is be fixed on the gear wheel 36 bottom rotation platform 5, described second rotary driving member includes: two little gears 35 being meshed with described gear wheel 36 respectively, each little gear 35 all connects with a reduction box 34, is connected with the outfan of described motor 31 by synchronous pulley 32 and Timing Belt 33 between two reduction boxes 34.
Further, the quantity of described lock station oil cylinder 21 is four, and it is distributed in the outside of base rail 2 uniformly so that it is can rotation platform 5 and base 1 be locked.
Further, described Timing Belt 33 being connected to pulley 38, described pulley 38 is arranged between two synchronous pulleys 32. Diastema existing for right left two group of second rotary driving member, offsets through compressing the pulley 38 being arranged on above Timing Belt 33, and final gear wheel 36 can be rotated platform 5 and rotate together with.
Further, described selection controls valve 12 is electromagnetic valve.
Further, described induction apparatus 8 includes: pressure inductor or photoelectric sensor.
Operation principle of the present utility model is mainly:
The center of gravity of the loaded article owing to carrying in rotation platform is unequal, therefore being stressed of its rotation platform portion will be bigger;
Contact condition between platform rail and base rail that this utility model detects according to induction apparatus, only the oil pocket on this contact position is carried out for hydraulic oil 40, other oil pockets not fuel feeding or carry out oil extraction, when rotation platform rotates, control the corresponding oil pocket in front and carry out fuel feeding, the oil pocket at rear will empty hydraulic oil 40, on ensureing that rotation platform is horizontal.
After arriving precalculated position, rotation platform stops the rotation, and closes all liquid way control switch, discharges the hydraulic oil 40 in the oil pocket having been injected into hydraulic oil 40 so that platform rail and base rail are fully engaged simultaneously, and carries out sealed to platform rail and base rail.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (9)
1. one kind can be born eccentric load static pressure rotary worktable, it is characterized in that, including: base and rotation platform, described base is provided with base rail, and described base rail is loop configuration and its annular center is provided with rotation shaft core, and described rotation platform is movably set in this rotation shaft core, and pivot about with this rotation shaft core, the bottom of described rotation platform is fixed with platform rail, and described platform rail is arranged on base rail, and clearance fit mutual to base rail; The upper surface of described base rail is provided with plural oil pocket, described oil pocket is evenly distributed in the upper surface of described base rail, and each oil pocket is respectively connected with liquid way control switch, all liquid way control switch are connected with oil pressure pump and fuel reserve tank successively each through pipeline, the outside of each described oil pocket is equipped with induction apparatus, described induction apparatus is arranged on base rail, and its induction end is relative with platform rail, and described induction apparatus is connected with liquid way control switch by control unit; The bottom of described rotation platform is further fixed on the first rotary driving member, and described base is provided with motor, and described motor is connected by the second rotary driving member and the first rotary driving member.
2. according to claim 1 bear eccentric load static pressure rotary worktable, it is characterized in that, it is provided with selection between described liquid way control switch and described oil pressure pump and controls valve, described oil pressure pump connects with selecting the input controlling valve, the described outfan selecting to control valve is connected with all liquid way control switch, its another outfan is connected to lock station oil cylinder, described lock station oil cylinder is parallel with poultry energy device, described poultry can be used for preserving the pressure of lock station oil cylinder by device, described lock station oil cylinder is located at the outside of base rail, equipped with briquetting on push rod on described lock station oil cylinder, the bottom of described briquetting coordinates with the upper surface of described rotation platform, for rotation platform and base rail are locked together.
3. according to claim 2 bear eccentric load static pressure rotary worktable, it is characterised in that the center of rotation of described rotation platform is provided with encoder, and the rotary angle position of rotation platform is fed back in control unit by described encoder.
4. according to claim 3 bear eccentric load static pressure rotary worktable, it is characterised in that described selection controls to be provided with oil filter between valve and oil pressure pump.
5. according to claim 4 bear eccentric load static pressure rotary worktable, it is characterized in that, described first rotary driving member is be fixed on the gear wheel bottom rotation platform, described second rotary driving member includes: two little gears being meshed with gear wheel, each little gear all connects with a reduction box, is connected with the outfan of described motor by synchronous pulley and Timing Belt between two reduction boxes.
6. according to claim 5 bear eccentric load static pressure rotary worktable, it is characterised in that the quantity of described lock station oil cylinder is four, and it is distributed in the outside of base rail uniformly.
7. according to claim 6 bear eccentric load static pressure rotary worktable, it is characterised in that being connected to pulley on described Timing Belt, described pulley is arranged between two synchronous pulleys.
8. according to claim 7 bear eccentric load static pressure rotary worktable, it is characterised in that it is electromagnetic valve that described selection controls valve.
9. according to claim 8 bear eccentric load static pressure rotary worktable, it is characterised in that described induction apparatus includes: pressure inductor or photoelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886221.3U CN205290394U (en) | 2015-11-09 | 2015-11-09 | Can bear eccentric load static pressure swivel work head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886221.3U CN205290394U (en) | 2015-11-09 | 2015-11-09 | Can bear eccentric load static pressure swivel work head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205290394U true CN205290394U (en) | 2016-06-08 |
Family
ID=56438460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520886221.3U Withdrawn - After Issue CN205290394U (en) | 2015-11-09 | 2015-11-09 | Can bear eccentric load static pressure swivel work head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205290394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215692A (en) * | 2015-11-09 | 2016-01-06 | 深圳市金汇丰精密机械有限公司 | One can bear eccentric load static pressure rotary worktable and method of controlling rotation thereof |
-
2015
- 2015-11-09 CN CN201520886221.3U patent/CN205290394U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215692A (en) * | 2015-11-09 | 2016-01-06 | 深圳市金汇丰精密机械有限公司 | One can bear eccentric load static pressure rotary worktable and method of controlling rotation thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20170926 |