CN110355581B - Servo revolving stage of accurate location - Google Patents
Servo revolving stage of accurate location Download PDFInfo
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- CN110355581B CN110355581B CN201910699344.9A CN201910699344A CN110355581B CN 110355581 B CN110355581 B CN 110355581B CN 201910699344 A CN201910699344 A CN 201910699344A CN 110355581 B CN110355581 B CN 110355581B
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- turntable
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- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000001360 synchronised effect Effects 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention belongs to the technical field of workpiece processing, and particularly relates to a servo turntable with accurate positioning, which comprises a servo motor, a speed reducer, a transmission gear, a driven gear, a rotating shaft, a three-piece type oil cylinder structure, a turntable seat, an index plate, an axial trigger switch and a radial trigger switch of the rotating shaft, wherein the servo motor is in transmission connection with the speed reducer, the speed reducer is in transmission connection with the transmission gear, the transmission gear is meshed with the driven gear, the driven gear is coaxially connected with the rotating shaft, one end of the rotating shaft far away from the driven gear is coaxially provided with the turntable seat, the turntable seat is provided with a plurality of clamp installation positions uniformly distributed along the circumferential direction of the turntable seat, and the clamp installation positions are used for installing synchronous clamps; and a three-piece type oil cylinder structure is arranged between the turntable seat and the driven gear. The invention not only utilizes the meshing structure of the mouse tooth disc to realize the accurate positioning of the turntable seat, but also utilizes the detection triggering of the axial trigger switch and the radial trigger switch to improve the positioning precision of the turntable seat and realize the accurate positioning.
Description
Technical Field
The invention belongs to the technical field of workpiece machining, and particularly relates to a servo turntable capable of accurately positioning.
Background
The turntable is used as a bearing base and can be provided with one or more synchronous clamps so as to fix a workpiece to be machined, so that corresponding rotation fixed points are realized on the workpiece to be machined, and multi-station machining of the workpiece to be machined is realized. In the prior art, structural and functional researches on a turntable are continuously carried out, for example, patent document with publication number of CN 105171444A discloses a numerical control rotary workbench, indexing movement of the workbench is controlled through a motor, a worm gear and a reduction gear set, and accurate positioning of the workbench is realized through a mouse tooth plate; the upper mouse tooth disc and the lower mouse tooth disc are meshed or separated by the up-down movement of a piston shaft of the hydraulic cylinder to jack up the workbench supporting body or enable the workbench supporting body to fall back; although accurate positioning is realized through the mouse tooth plate, accurate positioning of a workpiece cannot be realized; in addition, the rigidity is limited by the driving structure of the piston shaft of the hydraulic cylinder.
Disclosure of Invention
Based on the defects in the prior art, the invention provides the servo turntable capable of accurately positioning.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a servo revolving stage of accurate location, including servo motor, the reduction gear, drive gear, driven gear, the rotation axis, three formula hydro-cylinder structures, the revolving stage seat, the graduated disk, the axial trigger switch and the radial trigger switch of rotation axis, servo motor is connected with the reduction gear transmission, the reduction gear is connected with drive gear transmission, drive gear and driven gear meshing, driven gear and rotation axis coaxial coupling, the revolving stage seat is installed to the one end coaxial that keeps away from driven gear on the rotation axis, the revolving stage seat has a plurality of anchor clamps installation position along its circumference evenly distributed, anchor clamps installation position is used for installing synchronous anchor clamps; a three-piece type oil cylinder structure is arranged between the turntable seat and the driven gear, and comprises a first fixed sleeve, a movable sleeve and a second fixed sleeve which are sleeved in sequence along the axial direction of the rotating shaft, wherein the first fixed sleeve and the turntable seat are adjacent and are respectively provided with a first mouse tooth disc and a second mouse tooth disc which are matched; a movable channel of the movable sleeve is formed between the first fixed sleeve and the second fixed sleeve, the rotating shaft and the movable sleeve are coaxially arranged and axially linked, a first oiling space positioned in the movable channel is formed between the movable sleeve and the first fixed sleeve, a second oiling space positioned in the movable channel is formed between the movable sleeve and the second fixed sleeve, and the first oiling space and the second oiling space are positioned at two sides of the movable channel and are not communicated with each other; the first fixed sleeve is provided with a first oil nozzle and a second oil nozzle, the first oil nozzle is communicated with the first oil injection space, and the second oil nozzle is communicated with the second oil injection space; when oiling is performed towards the first oiling space, the movable sleeve is linked with the rotating shaft to link the second mouse tooth disc on the rotating table seat to be meshed with the first mouse tooth disc of the first fixed sleeve; when oiling is performed towards the second oiling space, the movable sleeve is linked with the rotating shaft to link the second mouse tooth disc on the rotating table seat to be disengaged from the first mouse tooth disc of the first fixed sleeve; the dividing plate is coaxially arranged on the driven gear, the dividing plate is provided with a plurality of trigger terminals which are uniformly distributed in the circumferential direction, and the trigger terminals are used for triggering the axial trigger switch or the radial trigger switch to position the axial travel and the radial rotation travel of the rotating table seat.
Preferably, the rotating shaft has a hollow structure.
Preferably, the speed reducer is connected with the transmission gear through a transitional connecting shaft.
As a preferable scheme, the servo motor, the speed reducer, the transition connecting shaft and the transmission gear are sequentially and coaxially arranged on an installation seat.
As a preferred scheme, a connecting rod is coaxially arranged in the rotating shaft, one end of the connecting rod is fixedly arranged on the mounting seat through an oil way inlet ring, the other end of the connecting rod is fixedly arranged on an oil supply sleeve seat, an oil way sleeve is sleeved outside the oil supply sleeve seat, oil conveying parts are arranged on the oil way sleeve along the circumference of the oil way sleeve seat, the oil conveying parts correspond to the synchronous clamps one by one, the oil way sleeve is in running fit with the oil supply sleeve seat, the oil way sleeve is in linkage with the turntable seat, and an oil conveying channel is formed among the oil supply sleeve seat, the oil way sleeve, the oil conveying parts and the synchronous clamps; one or more oil pipes extend through the oil inlet ring to the oil supply sleeve seat to communicate with the oil delivery passage.
As an optimal scheme, be equipped with the protection casing outside the driven gear, the protection casing is installed in the mount pad, and protection casing and second fixed cover fixed connection.
Preferably, the protective cover is provided with an avoidance port of the transmission gear, and the transmission gear protrudes out of the avoidance port.
Preferably, the protective cover is provided with an oil filling hole, an inlet of the oil filling hole is communicated with the outside, and an outlet of the oil filling hole is in contact fit with the driven gear through the lubricating brush.
Preferably, the axial trigger switch and the radial trigger switch are arranged in the protective cover.
As a preferable scheme, the transmission ratio of the transmission gear to the driven gear is (2-4): 1.
compared with the prior art, the invention has the beneficial effects that:
according to the servo turntable capable of achieving accurate positioning, the meshing structure of the mouse tooth disc is utilized to achieve accurate positioning of the turntable seat, and detection triggering of the axial trigger switch and the radial trigger switch is utilized to improve positioning accuracy of the turntable seat, so that accurate positioning is achieved; in addition, the driving structure of the three-piece type oil cylinder structure is utilized, and the structural rigidity of the servo turntable is high.
Drawings
FIG. 1 is a schematic diagram of a semi-sectional structure of a precisely positioned servo turret (connecting rod not shown) according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a semi-sectional structure of a rotating shaft of a precisely positioned servo turntable according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a three-piece cylinder structure and a rotating shaft of a precisely positioned servo turntable according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the indexing disk of the precisely positioned servo turntable according to an embodiment of the present invention;
FIG. 5 is a schematic illustration of the structure of an index plate of a precisely positioned servo turntable according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the other half of a cross-sectional structure of a precisely positioned servo turret according to an embodiment of the invention;
FIG. 7 is a schematic diagram of an oil delivery channel of a precisely positioned servo turntable according to an embodiment of the present invention;
FIG. 8 is a schematic view of the structure of an oil inlet ring of a precisely positioned servo turntable according to an embodiment of the present invention;
FIG. 9 is a schematic perspective view of a precisely positioned servo turntable according to an embodiment of the present invention;
FIG. 10 is a schematic perspective view of another perspective of a precisely positioned servo turret according to an embodiment of the invention;
fig. 11 is a schematic diagram of a lubrication structure of a driven gear of a precisely positioned servo turntable according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort. In addition, directional terms mentioned in the following embodiments, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, the directional terminology is used for purposes of illustration and is not intended to be limiting of the invention.
As shown in fig. 1-11, the precisely positioned servo turntable in the embodiment of the invention comprises a servo motor 1, a speed reducer 2, a transmission gear 3, a driven gear 4, a rotating shaft 5, a three-piece type oil cylinder structure 6, a turntable seat 7, an index plate 8, an axial trigger switch 9, a radial trigger switch 10 and an installation seat a of the rotating shaft.
Wherein, servo motor 1 is connected with the transmission of reduction gear 2, and reduction gear 2 is connected with transmission gear 3 transmission, and transmission gear 3 and driven gear 4 meshing, driven gear 4 and rotation axis 5 coaxial coupling. Specifically, a servo motor 1, a speed reducer 2, a transition connecting shaft 11 and a transmission gear 3 are sequentially and coaxially arranged on a mounting seat a; the speed reducer 2 is fixedly arranged on the mounting seat a through bolts or screws, a motor shaft of the servo motor 1 is fixedly connected with an input shaft of the speed reducer 2, so that the torque increasing effect is realized through the speed reducer, and the servo motor 1 is positioned on the right side of the mounting seat a; the output shaft of the speed reducer 2 is fixedly connected with the transmission gear 3 through a transition connecting shaft 11, and the transition connecting shaft 11 and the transmission gear 3 are positioned on the left side of the mounting seat a.
In addition, the driven gear 4 is located below the transmission gear 3, the left side of the driven gear 4 is fixedly connected with the right end of the rotating shaft 5 coaxially, rotation of the driven gear 4 is linked with rotation of the rotating shaft 5, and the rotating shaft 5 is arranged in parallel with a motor shaft of the servo motor 1. One end (i.e. the left end) of the rotating shaft 5 far away from the driven gear 4 is coaxially provided with a rotating table seat 7, so that the rotating shaft 5 is linked with the rotating table seat 7 to rotate; the turntable seat 7 is provided with a plurality of clamp mounting positions 70 which are uniformly distributed along the circumferential direction, the clamp mounting positions 70 are used for mounting a synchronous clamp A, and the synchronous clamp is used for fixing a workpiece to be machined so that an electric spindle or a mechanical spindle can process and manufacture the workpiece to be machined. As shown in fig. 2, the rotation shaft 5 includes an integrally formed and coaxial long-diameter section 51 and a short-diameter section 52, the long-diameter section 51 is located at the left side of the short-diameter section 52, the left end of the long-diameter section 51 is fixedly mounted with the turntable base 7, and the right end of the short-diameter section 52 is fixedly mounted with the driven gear 4, so that the rigidity of the overall structure is improved.
In order to achieve accurate positioning of the turret table 7, the function of scram is achieved by engagement of the mouse tray. A three-piece type oil cylinder structure 6 is arranged between the turntable seat 7 and the driven gear 4, specifically, as shown in fig. 3, the three-piece type oil cylinder structure 6 comprises a first fixed sleeve 61, a movable sleeve 62 and a second fixed sleeve 63 which are sleeved outside the rotating shaft 5 from left to right in sequence, the first fixed sleeve 61 and the turntable seat 7 are adjacent and are respectively provided with a first mouse tooth plate 610 and a second mouse tooth plate 710 which are matched, namely, one side (the left side of the first fixed sleeve) of the first fixed sleeve 61 facing the turntable seat 7 is fixed with the first mouse tooth plate 610; a second mouse tray 710 is fixed to one side of the turntable base 7 facing the first fixing sleeve 61 (right side of the turntable base 7); a movable channel of a movable sleeve 62 is formed between the first fixed sleeve 61 and the second fixed sleeve 63, the rotating shaft 5 is coaxially arranged with the movable sleeve 62 and axially linked, the outer diameter of a short-diameter section 52 of the rotating shaft is matched with the inner diameter of the movable sleeve 62, so that the rotating shaft 5 is not linked with the movable sleeve 62 in the radial direction, a sleeve wall on the left side of the movable sleeve 62 is inwards concave to form a limit groove, and the limit groove is limited with the right side of a long-diameter section 52 of the rotating shaft through a gasket; the sleeve wall on the right side of the movable sleeve 62 is concavely provided with a limiting groove, and the limiting groove and the left side of the driven gear 4 are limited by a gasket, so that the axial linkage of the rotating shaft 5 and the movable sleeve 62 is realized.
As shown in fig. 3, a first oiling space b located in the movable channel is formed between the movable sleeve 62 and the first fixed sleeve 61, a first sealing ring b1 and a second sealing ring b2 are arranged between the first fixed sleeve 61 and the movable sleeve 62, and the first sealing ring b1 and the second sealing ring b2 are respectively located at the left side and the right side of the first oiling space b so as to ensure the tightness of the first oiling space b and further ensure the hydraulic driving force; in addition, a second oiling space c positioned in the movable channel is formed between the movable sleeve 62 and the second fixed sleeve 63, a third sealing ring b3 is arranged between the movable sleeve 62 and the second fixed sleeve 63, and the second sealing ring b2 and the third sealing ring b3 are respectively positioned at the left side and the right side of the second oiling space c so as to ensure the tightness of the second oiling space c and further ensure the hydraulic driving force; the first oiling space b and the second oiling space c are positioned at the left side and the right side of the movable channel and are not communicated with each other; the first fixed sleeve 61 has a first oil nozzle 61a and a second oil nozzle 61b (as shown in fig. 10), the first oil nozzle 61a communicates with the first oil filling space b through an oil passage designed in the first fixed sleeve 61, and the second oil nozzle 61b communicates with the second oil filling space c through an oil passage communicated between the first fixed sleeve 61 and the second fixed sleeve 63; when the first oil nozzle 61a is used for injecting oil into the first oil injection space b, the movable sleeve 62 is linked with the rotary shaft 5 to be linked with the second mouse tooth tray 710 on the rotary table seat to be meshed with the first mouse tooth tray 610 of the first fixed sleeve, so that the rotary table seat 7 is accurately positioned; when the second oil nozzle 61b is used for injecting oil into the second oil injection space c, the movable sleeve 62 is linked with the rotary shaft 5 to be in linkage with the second mouse tooth tray 710 on the rotary table seat and the first mouse tooth tray 610 of the first fixed sleeve to be disengaged, at this time, the rotary table seat 7 can be driven by the servo motor 1 to continue to rotate, so that the position of a workpiece to be machined clamped by the synchronous clamp on the rotary table seat is adjusted, and the machining of the next station is performed.
In order to improve the axial movement precision and radial rotation precision of the turntable seat, the index plate 8 is coaxially mounted on the right side of the driven gear 4 through bolts or screws, and as shown in fig. 4, the index plate 8 is provided with a plurality of trigger terminals 80 uniformly distributed in the circumferential direction; as shown in fig. 5, the radial trigger switch 10 is located at the edge of the right side of the index plate 8, and the axial trigger switch 9 is installed in the radial extending direction of the index plate 8; the trigger terminal 80 is used for triggering the axial trigger switch 9 or the radial trigger switch 10 to position the axial stroke and the radial rotation stroke of the turntable 7, so that the positioning precision of the turntable 7 is improved; the triggering mode can adopt the modes of magnetic triggering, infrared triggering, ultrasonic triggering and the like in the prior art.
The rotating shaft 5 of the embodiment of the invention is preferably hollow, so that the built-in design of the oil path pipeline is facilitated. Specifically, as shown in fig. 6 and 7, a connecting rod 12 is coaxially installed in the rotating shaft 5, the right end of the connecting rod 12 is fixedly installed on an installation seat a through an oil way inlet ring 13, the left end of the connecting rod 12 is fixedly installed on an oil supply sleeve seat 14, an oil way sleeve 15 is sleeved outside the oil supply sleeve seat 14, a plurality of oil conveying pieces 16 are installed on the oil way sleeve 15 along the circumferential direction of the oil way sleeve 15, the oil conveying pieces 16 are in one-to-one correspondence with the clamp installation positions 70, the oil way sleeve 15 is in rotary fit with the oil supply sleeve seat 14, the oil way sleeve 15 is in linkage with the turntable seat 7, and an oil conveying channel is formed among the oil supply sleeve seat 14, the oil way sleeve 15, the oil conveying pieces 16 and the synchronous clamp a; one or more oil pipes extend through the oil passage inlet ring 13 to the oil supply sleeve seat 14 to communicate with the oil delivery passage so as to supply oil to the synchronous clamp a, and thus the synchronous clamp a is hydraulically driven. The oil delivery channel corresponding to the same synchronous clamp is divided into two paths, and the two paths are respectively used for driving the expansion and contraction of the piston rod in the oil cylinder of the synchronous clamp so as to control the clamping or the clamping release of the synchronous clamp, as shown in fig. 7. As shown in fig. 8, the oil inlet ring 13 has oil pipe inlets 120 uniformly distributed along the circumferential direction thereof for connecting the oil pipe, so that the oil pipe is built-in, thereby saving space and protecting the oil pipe.
In addition, as shown in fig. 9-11, a protective cover 17 is arranged outside the driven gear 4 of the embodiment of the invention, the protective cover 17 is fixedly arranged on the mounting seat a, and the protective cover 17 is fixedly connected with the second fixing sleeve 63. The protective cover 17 is provided with a avoiding opening 170 of the transmission gear, and the transmission gear 3 protrudes out of the avoiding opening for maintenance. The protecting cover 17 is provided with an oil filling hole 171, an inlet of the oil filling hole 171 is communicated with the outside, and an outlet of the oil filling hole 171 is in contact fit with the driven gear 4 through a lubricating brush 18, so that the driven gear 4 is uniformly lubricated, and the lubricating brush 18 can be made of sponge materials.
The axial trigger switch 9 and the radial trigger switch 10 of the embodiment of the invention are both arranged in the protective cover 17, so as to play a role in protection, and avoid false triggering and influence on positioning accuracy.
The transmission ratio of the transmission gear 3 and the driven gear 4 in the embodiment of the invention is (2-4): 1, the specific transmission ratio can be designed according to actual requirements so as to meet the application requirements of different occasions.
According to the servo turntable capable of achieving accurate positioning, the meshing structure of the mouse tooth disc is utilized to achieve accurate positioning of the turntable seat, and detection triggering of the axial trigger switch and the radial trigger switch is utilized to improve positioning accuracy of the turntable seat, so that accurate positioning is achieved; in addition, the driving structure of the three-piece type oil cylinder structure is utilized, and the structural rigidity of the servo turntable is high.
The foregoing is only illustrative of the preferred embodiments and principles of the present invention, and changes in specific embodiments will occur to those skilled in the art upon consideration of the teachings provided herein, and such changes are intended to be included within the scope of the invention as defined by the claims.
Claims (3)
1. The servo turntable is characterized by comprising a servo motor, a speed reducer, a transmission gear, a driven gear, a rotating shaft, a three-piece type oil cylinder structure, a turntable seat, an index plate, an axial trigger switch and a radial trigger switch of the rotating shaft, wherein the servo motor is in transmission connection with the speed reducer, the speed reducer is in transmission connection with the transmission gear, the transmission gear is meshed with the driven gear, the driven gear is coaxially connected with the rotating shaft, one end, far away from the driven gear, of the rotating shaft is coaxially provided with the turntable seat, the turntable seat is provided with a plurality of clamp installation positions which are uniformly distributed along the circumferential direction of the turntable seat, and the clamp installation positions are used for installing synchronous clamps; a three-piece type oil cylinder structure is arranged between the turntable seat and the driven gear, and comprises a first fixed sleeve, a movable sleeve and a second fixed sleeve which are sleeved in sequence along the axial direction of the rotating shaft, wherein the first fixed sleeve and the turntable seat are adjacent and are respectively provided with a first mouse tooth disc and a second mouse tooth disc which are matched; a movable channel of the movable sleeve is formed between the first fixed sleeve and the second fixed sleeve, the rotating shaft and the movable sleeve are coaxially arranged and axially linked, a first oiling space positioned in the movable channel is formed between the movable sleeve and the first fixed sleeve, a second oiling space positioned in the movable channel is formed between the movable sleeve and the second fixed sleeve, and the first oiling space and the second oiling space are positioned at two sides of the movable channel and are not communicated with each other; the first fixed sleeve is provided with a first oil nozzle and a second oil nozzle, the first oil nozzle is communicated with the first oil injection space, and the second oil nozzle is communicated with the second oil injection space; when oiling is performed towards the first oiling space, the movable sleeve is linked with the rotating shaft to link the second mouse tooth disc on the rotating table seat to be meshed with the first mouse tooth disc of the first fixed sleeve; when oiling is performed towards the second oiling space, the movable sleeve is linked with the rotating shaft to link the second mouse tooth disc on the rotating table seat to be disengaged from the first mouse tooth disc of the first fixed sleeve; the index plate is coaxially arranged on the driven gear, and is provided with a plurality of trigger terminals which are uniformly distributed in the circumferential direction, and the trigger terminals are used for triggering an axial trigger switch or a radial trigger switch to position the axial travel and the radial rotation travel of the turntable;
the rotating shaft is of a hollow structure;
the speed reducer is connected with the transmission gear through a transition connecting shaft;
the servo motor, the speed reducer, the transition connecting shaft and the transmission gear are sequentially and coaxially arranged on an installation seat;
the oil supply device comprises a rotating shaft, an oil supply sleeve seat, an oil supply part, a synchronous clamp, an oil supply sleeve seat, an oil supply passage, a turntable seat, an oil supply sleeve, an oil supply part and a synchronous clamp, wherein the connecting rod is coaxially arranged in the rotating shaft; one or more oil pipes extend through the oil way inlet ring to the oil supply sleeve seat so as to be communicated with the oil transportation channel;
a protective cover is arranged outside the driven gear and is arranged on the mounting seat, and the protective cover is fixedly connected with the second fixed sleeve;
the protective cover is provided with an oil filling hole, an inlet of the oil filling hole is communicated with the outside, and an outlet of the oil filling hole is in contact fit with the driven gear through a lubricating brush;
the axial trigger switch and the radial trigger switch are arranged in the protective cover.
2. The precisely positioned servo turntable of claim 1, wherein the shield has a relief port for the drive gear, the drive gear protruding beyond the relief port.
3. A precisely positioned servo turntable as claimed in any one of claims 1-2, wherein the ratio of the drive gear to the driven gear is 2-4.
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CN201910699344.9A CN110355581B (en) | 2019-07-31 | 2019-07-31 | Servo revolving stage of accurate location |
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CN201910699344.9A CN110355581B (en) | 2019-07-31 | 2019-07-31 | Servo revolving stage of accurate location |
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CN110355581B true CN110355581B (en) | 2024-03-15 |
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CN202540047U (en) * | 2012-05-10 | 2012-11-21 | 烟台环球数控装备有限公司 | Oil distributing system of numerical control dividing turntable |
CN202861865U (en) * | 2012-09-24 | 2013-04-10 | 浙江海德曼机床制造有限公司 | Hydraulic tool turret |
CN204397500U (en) * | 2015-01-29 | 2015-06-17 | 山东华辰重型机床有限公司 | Chain wheel formula vertical rotary workbench |
CN105171444A (en) * | 2015-10-21 | 2015-12-23 | 烟台拓福数控机床有限公司 | Numerical control rotary table |
CN106926055A (en) * | 2017-03-16 | 2017-07-07 | 宁波海天精工股份有限公司 | A kind of C-axis scale division device for vertical lathe |
CN107825152A (en) * | 2017-11-30 | 2018-03-23 | 常州机电职业技术学院 | Three-fluted disc positioning and indexing workbench |
CN209157171U (en) * | 2018-11-19 | 2019-07-26 | 陕西阿米工业设计有限公司 | A kind of built-in motor servo turret |
CN210790017U (en) * | 2019-07-31 | 2020-06-19 | 朗快智能科技(杭州)有限公司 | Servo revolving stage of accurate location |
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