CN111347380B - High-precision fluted disc indexing test turntable - Google Patents
High-precision fluted disc indexing test turntable Download PDFInfo
- Publication number
- CN111347380B CN111347380B CN202010325018.4A CN202010325018A CN111347380B CN 111347380 B CN111347380 B CN 111347380B CN 202010325018 A CN202010325018 A CN 202010325018A CN 111347380 B CN111347380 B CN 111347380B
- Authority
- CN
- China
- Prior art keywords
- fluted disc
- servo motor
- precision
- guide block
- sliding
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 2
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 6
- 239000000969 carrier Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The high-precision fluted disc indexing test turntable comprises an upper bearing assembly, a lower bearing assembly, a main shaft, a table top, a guide block, a fixed fluted disc, a movable fluted disc, a permanent magnet direct current torque motor and an encoder, wherein the upper bearing assembly is arranged on an upper base, the lower bearing assembly is arranged on a lower base, the main shaft is arranged on the upper bearing assembly and the lower bearing assembly, the table top, the guide block, the fixed fluted disc, the movable fluted disc, the permanent magnet direct current torque motor and the encoder are sequentially arranged on the main shaft from top to bottom, the fixed fluted disc is connected with the servo motor by the guide block, an eccentric shaft is arranged in a bearing end cover, and a large gear, two sets of small bearings and a set of deep groove ball bearings are arranged on the eccentric shaft; one side of the annular lever is connected with the fluted disc sliding block through an adjusting screw rod, the middle part of the annular lever is fixedly connected with the guide block, and the other side of the annular lever is connected with the fluted disc lifting bracket through an adjusting assembly; the gear plate is meshed and disconnected by controlling the motion of the servo motor, and the photoelectric switch is used as a state generator for judging whether the gear plate is meshed in place or not, so that final positioning of the shaft system angle is finished through the gear plate meshing on the basis of realizing the traditional shaft system high-precision positioning function.
Description
Technical Field
The invention relates to the technical field of high-precision rotating tables, in particular to a high-precision fluted disc indexing test rotating table.
Background
The turntable is a basic platform for the calibration test of the measurement and control system element, the position, the speed and the acceleration of the turntable are controllable, and the main tested products comprise an inertial measurement unit, an indexing mechanism, a meter adding unit and the like.
In the field of rotary tables, a high-precision rotary shaft system is an important component part, a traditional high-precision rotary shaft system is generally supported by a precision mechanical bearing, a permanent magnet direct current torque motor is directly driven, a high-precision angle encoder is used as an angle measurement and feedback element, a system generally adopts a multi-loop subordinate structure control mode consisting of a current loop and a position loop control loop, and the input of a motor driver is controlled by a D/A conversion card, and the motor driver drives a motor to realize the control of the motor; in this way, although the equipment has very high positioning accuracy, as the control system is generally a closed loop, the rotating shaft system is influenced by the control system and the external environment, and trace jitter exists after the rotating shaft system is positioned for a long time, which is absolutely impermissible for the tested products such as an inertial measurement unit, an indexing mechanism, a meter adding unit and the like, a high-accuracy turntable with very high positioning accuracy and capable of realizing absolute static of the shaft system after the shaft system is rotated to a set position is urgently needed at present.
Disclosure of Invention
The invention solves the technical problem of providing a high-precision fluted disc indexing test turntable so as to solve the problems in the background technology.
The technical problems solved by the invention are realized by adopting the following technical scheme:
the high-precision fluted disc indexing test turntable comprises a permanent magnet direct current torque motor, a main shaft, an encoder, a movable fluted disc, an upper base, a lower base, a fixed fluted disc, a guide block, an annular lever, a fluted disc lifting support, a guide seat, an adjusting component, a servo motor, a pinion, a large gear, an eccentric shaft, a fluted disc sliding support, a fluted disc sliding block, a sliding seat and a table top, wherein the upper base and the lower base form an installation carrier of a rotary shaft system of the high-precision fluted disc indexing test turntable, the upper bearing component is installed on the upper base, the lower bearing component is installed on the lower base, the main shaft is installed on the upper bearing component and the lower bearing component, the table top, the guide block, the fixed fluted disc, the movable fluted disc, the permanent magnet direct current torque motor and the encoder are sequentially installed on the main shaft from top to bottom, the fixed fluted disc is connected with the servo motor by means of the guide block, the servo motor is a driving force source for the up-down movement of the fixed fluted disc, the fixed fluted disc moves along the axial direction by the precise control, and finally the fixed fluted disc moves along the axial direction to complete engagement and disconnection between the fluted discs;
the servo motor is arranged on a servo motor seat, a photoelectric switch is also arranged on the servo motor seat and used as a state generator of the whole system, and the meshing degree of the movable fluted disc and the fixed fluted disc is judged by triggering the photoelectric switch; the servo motor is connected with the pinion, the pinion is meshed with the large gear, the pinion is driven to rotate when the servo motor moves, the large gear is driven to rotate, the guide seat is connected with the upper base, a sliding retainer is arranged between the guide seat and the guide block, a steel ball is arranged in the middle of the sliding retainer, and the guide block axially moves along the track direction of the guide seat by means of the steel ball and the sliding retainer under the driving of external force;
an eccentric shaft is arranged in a bearing end cover, a large gear, two sets of small bearings and a set of deep groove ball bearings are arranged on the eccentric shaft, a photoelectric disc for triggering a photoelectric switch is arranged on the large gear, one set of small bearing mounting carriers are fluted disc sliding supports and are tightly pressed through the large gear, the fluted disc sliding supports are provided with sliding seats, the other set of small bearing mounting carriers are sliding seats, the sliding seats are arranged on an upper base, an outer ring of the deep groove ball bearings is connected with fluted disc sliding blocks in a matched manner, when the eccentric shaft rotates around an axis, the deep groove ball bearings can drive the fluted disc sliding blocks to move linearly back and forth along the sliding seats, and when the fluted disc sliding blocks move back and forth, the fluted disc sliding blocks control a fixed fluted disc to be meshed with a movable fluted disc through an annular lever;
one side of the annular lever is connected with the fluted disc sliding block through an adjusting screw rod, the middle part of the annular lever is fixedly connected with the guide block, and the other side of the annular lever is connected with the fluted disc lifting support through an adjusting assembly.
In the invention, the bottom of the lower base is provided with the adjusting foot margin for leveling the turntable.
In the invention, a transition plate and a dust cover are sequentially arranged on a main shaft between a table top and a guide block, and a servo motor seat is arranged on the dust cover.
In the invention, the fixed fluted disc is connected with the main shaft in a clearance fit way.
In the invention, a gap is reserved between the movable fluted disc and the fixed fluted disc for the engagement and disconnection of the fixed fluted disc and the movable fluted disc.
In the invention, a motor housing is arranged outside the servo motor.
In the invention, the middle part of the annular lever is fixedly connected with the guide block through a pin shaft.
In the invention, the adjusting component comprises an adjusting screw, a push rod, a spring pressing plate and a spring, wherein one end of the adjusting screw is arranged on the fluted disc lifting support, the other end of the adjusting screw is contacted with the push rod, the spring is sleeved on the push rod, and the spring pressing plate for supporting the spring is arranged at the bottom of the push rod.
In the invention, when in use, the high-precision fluted disc indexing test turntable is assembled firstly, and final positioning is carried out through fluted disc meshing after the rotary shaft system of the high-precision fluted disc indexing test turntable goes to the position; then the load is arranged on the table top;
the turntable is directly driven by a permanent magnet direct current torque motor, the whole rotating shaft system main shaft is positioned to a set angle position, at the moment, the permanent magnet direct current torque motor is in a locked state, the servo motor starts to work, the pinion rotates along with the servo motor to drive the large gear to rotate, then the eccentric shaft continuously rotates, the fluted disc sliding block moves along the axis direction of the main shaft under the driving of the eccentric shaft, the annular lever is driven by the adjusting screw to move downwards along the axis of the shaft system under the action of the fluted disc sliding block, the annular lever compresses the spring through the adjusting screw, the spring pressing plate props against the spring, the annular lever drives the guide block and the fixed fluted disc to move downwards together, at the moment, after the fixed fluted disc and the movable fluted disc are meshed in place, the photoelectric disc triggers the photoelectric switch to send a signal to the servo motor, the servo motor is switched to the locked state, the fixed fluted disc and the movable fluted disc keeps the meshing state to finish the final positioning of the high-precision fluted disc indexing test turntable, and the permanent magnet direct current torque motor is powered off, and the shaft system can be absolutely stationary;
the permanent magnet direct current torque motor is electrified, the permanent magnet direct current torque motor is in a locked-rotor state, the servo motor is powered off by sending a power-off instruction to the servo motor, the annular lever moves upwards along the high-precision fluted disc indexing test turntable shafting under the action of the spring, the annular lever drives the fixed fluted disc and the guide block to move upwards along the main shaft direction, and at the moment, the movable fluted disc and the fixed fluted disc are disconnected and are not in a meshed state;
and (5) setting another angle position, and repeating the steps to finish the positioning of the other angle position of the high-precision fluted disc indexing test turntable.
The beneficial effects are that: the invention adopts a precise mechanical bearing support and a permanent magnet direct current torque motor for direct drive, a high-precision inlet angle encoder is used as an angle measurement and feedback element, a multi-loop subordinate structure control mode consisting of a current loop and a position loop control loop is adopted, a set of fluted disc indexing mechanism is additionally arranged, a fluted disc indexing mechanism driving element is a servo motor, the meshing and disconnection of the fluted disc are realized by controlling the motion of the servo motor, and a photoelectric switch is used as a state generator for judging whether the fluted disc is meshed in place, so that a split combined structure of the traditional shafting and fluted disc indexing is realized, the final positioning of the shafting angle is finished by the fluted disc meshing on the basis of realizing the high-precision positioning function of the traditional shafting, and the whole design is scientific and reasonable, and the operation is simple, convenient, flexible and quick.
Drawings
Fig. 1 is a front cross-sectional view of a preferred embodiment of the present invention.
Fig. 2 is a rear cross-sectional view of a preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 1-2, a high precision fluted disc indexing test turntable comprises an upper bearing assembly 1, a lower bearing assembly 2, a permanent magnet direct current torque motor 3, a main shaft 4, an encoder 5, a movable fluted disc 6, a transition plate 7, an upper base 8, a lower base 9, a dust cover 10, an adjusting foot 11, a fixed fluted disc 12, a guide block 13, a pin shaft 14, a ring lever 15, an adjusting screw 16, a fluted disc lifting bracket 17, a guide seat 18, an adjusting screw 19, a push rod 20, a spring pressing plate 21, a spring 22, a sliding retainer 23, a steel ball 24, an end cover 25, a servo motor seat 26, a servo motor 27, a pinion 28, a large gear 29, an eccentric shaft 30, a fluted disc sliding bracket 31, a small bearing 32, a deep groove ball bearing 33, a fluted disc sliding block 34, a sliding seat 35, a photoelectric disc 36, a photoelectric switch 37, a bearing end cover 38, a motor housing 39 and a table top 40, the upper base 8 and the lower base 9 form an installation carrier of a rotary shaft system of the high-precision fluted disc indexing test turntable, the upper bearing assembly 1 is installed on the upper base 8, the lower bearing assembly 2 is installed on the lower base 9, an adjusting foot margin 11 is installed at the bottom of the lower base 9 for leveling the turntable, the main shaft 4 is installed on the upper bearing assembly 1 and the lower bearing assembly 2, a table top 40, a transition plate 7, a dust cover 10, a guide block 13, a fixed fluted disc 12, a movable fluted disc 6, a permanent magnet direct current torque motor 3 and an encoder 5 are sequentially installed on the main shaft 4 from top to bottom, the movable fluted disc 6 is connected with the main shaft 4 through screws, the fixed fluted disc 12 is connected with the main shaft 4 in a clearance fit, and a clearance is reserved between the movable fluted disc 6 and the fixed fluted disc 12 so as to realize the engagement and disconnection of the fixed fluted disc 12 and the movable fluted disc 6; the guide block 13 is used as a transition structural member for driving the fixed fluted disc 12 and is connected with the fixed fluted disc 12 through a screw, the fixed fluted disc 12 is connected with the servo motor 27 by means of the guide block 13, the servo motor 27 is a driving force source for the up-and-down movement of the fixed fluted disc 12, the guide block 13 is axially moved through precise control, the axial movement of the fixed fluted disc 12 is finally realized, and the engagement and the disconnection between the fluted discs are completed;
the servo motor 27 is arranged on the servo motor seat 26 through screws, the servo motor seat 26 is arranged on the dust cover 10, 2 photoelectric switches 37 are also arranged on the servo motor seat 26 and used as a state generator of the whole system, and the meshing degree of the movable fluted disc 6 and the fixed fluted disc 12 is judged by triggering the photoelectric switches 37; the servo motor 27 is connected with a pinion 28, when the servo motor 27 moves, the pinion 28 is driven to rotate, and then a large gear 29 is driven to rotate, the large gear 29 is meshed with the pinion 28, the guide seat 18 is connected with the upper base 8 through screws, 4 sliding retainers 23 are arranged between the guide seat 18 and the guide block 13, a steel ball 24 is arranged in the middle of the sliding retainers 23, and under the driving of an external force, the guide block 13 axially moves along the track direction of the guide seat 18 by virtue of the steel ball 24 and the sliding retainers 23; a motor housing 39 is arranged outside the servo motor 27;
an eccentric shaft 30 is arranged in a bearing end cover 38, a large gear 29, a small bearing 32, a deep groove ball bearing 33 and a small bearing 32 are sequentially arranged on the eccentric shaft 30, a photoelectric disc 36 for triggering a photoelectric switch 37 is arranged on the large gear 29, one set of small bearing 32 is provided with a fluted disc sliding support 31 and is tightly pressed by the large gear 29, the installation carrier of the fluted disc sliding support 31 is provided with a sliding seat 35, the installation carrier of the other set of small bearing 32 is provided with the sliding seat 35, the sliding seat 35 is arranged on the upper base 8, the outer ring of the deep groove ball bearing 33 is in matched connection with a fluted disc sliding block 34, when the eccentric shaft 30 rotates around an axis, the deep groove ball bearing 33 can drive the fluted disc sliding block 34 to linearly move back and forth along the sliding seat 35, and when the fluted disc sliding block 34 moves back and forth, the fluted disc sliding block 34 can control a fixed fluted disc 12 to be meshed with a movable fluted disc 6 through an annular lever 15;
one side of the annular lever 15 is connected with the fluted disc sliding block 34 through an adjusting screw 16, the middle part of the annular lever 15 is fixedly connected with the guide block 13 through a pin shaft 14, the other side of the annular lever 15 is fixed with the annular lever 15 through an adjusting screw 19, a spring 22, a fluted disc lifting support 17 and a push rod 20, one end of the adjusting screw 19 is arranged on the fluted disc lifting support 17, the other end of the adjusting screw 19 is contacted with the push rod 20, the spring 22 is sleeved on the push rod 20, a spring pressing plate 21 for supporting the spring 22 is arranged at the bottom of the push rod 20, the adjusting screw 19 is adjusted before the high-precision fluted disc indexing test turntable works, and the push rod 20 moves along with the movement of the annular lever 15 under the action of the spring 22; the end cover 25 is arranged on one side of the annular lever 15;
and a motor housing 39 is mounted outside the servo motor 27.
In the embodiment, when the device is used, the upper bearing assembly 1 and the lower bearing assembly 2 are respectively connected with the main shaft 4, then the main shaft 4 is arranged on the upper base 8 and the lower base 9, the main shaft 4 is sequentially provided with a table top 40, a transition plate 7, a dust cover 10, a guide block 13, a fixed fluted disc 12, a movable fluted disc 6, the upper bearing assembly 1, a permanent magnet direct current torque motor 6, the lower bearing assembly 2 and an encoder 5 from top to bottom, a gap is reserved between the movable fluted disc 6 and the fixed fluted disc 12, the movable fluted disc 6 cannot move along the axial direction of the main shaft 4, the fixed fluted disc 12 moves up and down along the axial direction of the main shaft 4 by means of external force, and the engagement and disconnection of the fixed fluted disc 12 and the movable fluted disc 6 are completed; the servo motor 27 is used as a driving force source for the up-and-down movement of the fixed fluted disc 12, is arranged on the servo motor seat 26 through screws, 2 photoelectric switches 37 are arranged on the servo motor seat 26, when the movable fluted disc 6 is meshed with the fixed fluted disc 12 in place, a photoelectric disc 36 arranged on the large gear 29 triggers the photoelectric switches 37, so that the servo motor 27 changes the working state to locked rotation to keep the movable fluted disc 6 meshed with the fixed fluted disc 12, the large gear 29 is arranged on the eccentric shaft 30, the eccentric shaft 30 realizes rotation through two sets of small bearings 32 and a set of deep groove ball bearings 33, one set of small bearings 32 is connected with a fluted disc sliding support 31, the other set of small bearings is connected with a sliding seat 35, the middle deep groove ball bearing 33 is connected with the fluted disc sliding block 34, when the eccentric shaft 30 rotates, the fluted disc sliding block 34 moves up and down along the sliding seat 35, the annular lever 15 is connected with the fluted disc sliding block 34 and the fluted disc lifting bracket 17 through the adjusting screw 16, the adjusting screw 19, the ejector rod 20 and the spring 22, the annular lever 15 can move along the axial direction of the main shaft 4 under the action of external force, the guide block 13 is just connected with the annular lever 15 through the pin shaft 14, the guide block 13 is fixed on the fixed fluted disc 12, the guide block 13 moves along the track direction of the guide seat 18 by utilizing the sliding retainer 23 and the steel ball 24, so that the movement of the annular lever 15 can be converted into the axial movement of the fixed fluted disc 12, and the final engagement and disconnection of the fixed fluted disc 12 and the movable fluted disc 6 are completed;
after the rotary shaft system is moved to the position, final positioning is carried out through tooth disc meshing;
after the adjustment of the anchor 11 is performed, leveling the table top 40 of the turntable is completed, and then a load is mounted on the table top 40;
the turntable is directly driven by a permanent magnet direct current torque motor 3, an encoder 5 is used as an angle measurement and feedback element, a system adopts a multi-loop subordinate structure control mode formed by a current loop and a position loop control loop, the whole rotary shafting main shaft 4 is positioned to a set angle position, the permanent magnet direct current torque motor 3 is in a locked state at the moment, a servo motor 27 starts to work, a pinion 28 rotates along with the servo motor 27 to drive a large gear 29 to rotate, then an eccentric shaft 30 continuously rotates, a fluted disc sliding block 34 moves along the axial direction of the main shaft 4 under the driving of the eccentric shaft 30, a ring lever 15 is driven by a fluted disc sliding block 34 to move downwards along the axial rotation axis of the shaft by means of an adjusting screw 16, the ring lever 15 compresses a spring 22 by an adjusting screw 19, a spring pressing plate 21 props against the spring 22, the ring lever 15 drives a guide block 13 to move downwards together with a fixed fluted disc 12, at the moment, a photoelectric disc 36 triggers a photoelectric switch fluted disc 37 after the fixed fluted disc 12 and the movable fluted disc 6 are meshed in place, a signal is sent to the servo motor 27, the servo motor 27 is switched to a locked state, the fixed fluted disc 12 and the movable fluted disc 6 keeps a meshed state so as to complete the final positioning of the permanent magnet direct current torque motor 3, and the absolute power-off can be stopped;
the permanent magnet direct current torque motor 3 is electrified, the permanent magnet direct current torque motor 3 is in a locked state, the servo motor 27 is powered off by sending a power-off instruction to the servo motor 27, the annular lever 15 moves upwards along the high-precision fluted disc indexing test turntable shafting under the action of the spring 22, the annular lever 15 drives the fixed fluted disc 12 and the guide block 13 to move upwards along the main shaft 4 direction together, and at the moment, the movable fluted disc 6 and the fixed fluted disc 12 are disconnected and are not in a meshed state;
and (5) setting another angle position, and repeating the steps to finish the positioning of the other angle position of the high-precision fluted disc indexing test turntable.
Claims (7)
1. The utility model provides a high accuracy fluted disc graduation test revolving stage, including permanent magnetism direct current torque motor (3), main shaft (4), encoder (5), move fluted disc (6), upper base (8), lower base (9), decide fluted disc (12), guide block (13), annular lever (15), fluted disc lifting support (17), guide holder (18), adjusting subassembly, servo motor (27), pinion (28), gear wheel (29), eccentric shaft (30), fluted disc sliding support (31), fluted disc slider (34), sliding seat (35) and mesa (40), characterized in that, upper base (8) and lower base (9) constitute the installation carrier of high accuracy fluted disc graduation test revolving stage gyration shafting, upper bearing assembly (1) is installed on upper base (8), lower bearing assembly (2) are installed on lower base (9), main shaft (4) are installed on upper bearing assembly (1) and lower bearing assembly (2), and mesa (40), guide block (13), decide fluted disc (12), move fluted disc (6), permanent magnetism direct current torque motor (3) and encoder (5) are installed from top to bottom on main shaft (4) in proper order, the fixed fluted disc (12) is connected with a servo motor (27) by virtue of a guide block (13);
the servo motor (27) is arranged on the servo motor seat (26), the photoelectric switch (37) is further arranged on the servo motor seat (26), the servo motor (27) is connected with the pinion (28), the pinion (28) is meshed with the large gear (29), the pinion (28) is driven to rotate when the servo motor (27) moves, the large gear (29) is driven to rotate, the guide seat (18) is connected with the upper base (8), the sliding retainer (23) is arranged between the guide seat (18) and the guide block (13), the steel ball (24) is arranged in the middle of the sliding retainer (23), and the guide block (13) axially moves along the track direction of the guide seat (18) by means of the steel ball (24) and the sliding retainer (23) under the driving of external force;
an eccentric shaft (30) is arranged in a bearing end cover (38), a large gear (29), two sets of small bearings (32) and a set of deep groove ball bearings (33) are arranged on the eccentric shaft (30), a photoelectric disc (36) for triggering a photoelectric switch (37) is arranged on the large gear (29), one set of small bearings (32) is provided with a fluted disc sliding support (31) and is tightly pressed by the large gear (29), the mounting support of the fluted disc sliding support (31) is a sliding seat (35), the mounting support of the other set of small bearings (32) is provided with the sliding seat (35), the sliding seat (35) is arranged on an upper base (8), the outer ring of the deep groove ball bearings (33) is connected with a fluted disc sliding block (34) in a matched mode, when the eccentric shaft (30) rotates around an axis, the deep groove ball bearings (33) can drive the fluted disc (6) sliding block to move linearly back and forth along the sliding seat (35), and when the fluted disc sliding block (34) moves back and forth, the fluted disc sliding block (34) is controlled by an annular lever (15) to be meshed with a fixed fluted disc (12);
one side of the annular lever (15) is connected with the fluted disc sliding block (34) through an adjusting screw (16), the middle part of the annular lever (15) is fixedly connected with the guide block (13), and the other side of the annular lever (15) is connected with the fluted disc lifting support (17) through an adjusting component.
2. A high precision toothed disc indexing test turret according to claim 1, wherein the lower base (9) has an adjustment foot (11) mounted at the bottom.
3. The high-precision fluted disc indexing test turntable according to claim 1, wherein a transition plate (7) and a dust cover (10) are sequentially arranged on a main shaft (4) between a table top (40) and a guide block (13), and a servo motor seat (26) is arranged on the dust cover (10).
4. A high precision toothed disc indexing test turret according to claim 1, wherein a gap is left between the moving (6) and fixed (12) toothed discs.
5. The high-precision fluted disc indexing test turntable according to claim 1, wherein the middle part of the annular lever (15) is fixedly connected with the guide block (13) through a pin shaft (14).
6. The high-precision fluted disc indexing test turntable according to claim 1, wherein the adjusting assembly comprises an adjusting screw (19), a push rod (20), a spring pressing plate (21) and a spring (22), one end of the adjusting screw (19) is arranged on the fluted disc lifting support (17), the other end of the adjusting screw (19) is in contact with the push rod (20), the spring (22) is sleeved on the push rod (20), and the spring pressing plate (21) for supporting the spring (22) is arranged at the bottom of the push rod (20).
7. The high-precision fluted disc indexing test turntable according to any one of claims 1 to 6, wherein in use, the high-precision fluted disc indexing test turntable is assembled first, and final positioning is performed by fluted disc meshing after the rotation shaft of the high-precision fluted disc indexing test turntable is moved to a position; mounting the load on the table top (40);
the turntable is directly driven by a permanent magnet direct current torque motor (3), the whole rotary shaft system main shaft (4) is positioned to a set angle position, at the moment, the permanent magnet direct current torque motor (3) is in a locked state, a servo motor (27) starts to work, a pinion (28) rotates along with the servo motor (27) to drive a large gear (29) to rotate, then an eccentric shaft (30) continuously rotates, a fluted disc sliding block (34) moves along the axial direction of the main shaft (4) under the driving of the eccentric shaft (30), an annular lever (15) is driven by the fluted disc sliding block (34) to move downwards along the rotary shaft system axis by means of an adjusting screw (16), the ring lever (15) compresses the spring (22) through the adjusting screw (19), the spring pressing plate (21) props against the spring (22), the ring lever (15) drives the guide block (13) to move downwards together with the fixed fluted disc (12), at the moment, after the fixed fluted disc (12) and the movable fluted disc (6) are meshed in place, the photoelectric switch (37) is triggered by the photoelectric disc (36) to send a signal to the servo motor (27), the servo motor (27) is switched to a locked-rotor state, the fixed fluted disc (12) and the movable fluted disc (6) keep the meshed state so as to finish the final positioning of the high-precision fluted disc indexing test turntable, the permanent magnet direct current torque motor (3) is powered off, the shafting can be absolutely static;
the permanent magnet direct current torque motor (3) is electrified, the permanent magnet direct current torque motor (3) is in a locked-rotor state, the servo motor (27) is powered off by sending a power-off instruction to the servo motor (27), the annular lever (15) moves upwards along a high-precision fluted disc indexing test turntable shaft system under the action of the spring (22), the annular lever (15) drives the fixed fluted disc (12) and the guide block (13) to move upwards along the direction of the main shaft (4), and at the moment, the movable fluted disc (6) is disconnected from the fixed fluted disc (12) and is not in a meshed state;
and (5) setting another angle position, and repeating the steps to finish the positioning of the other angle position of the high-precision fluted disc indexing test turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325018.4A CN111347380B (en) | 2020-04-23 | 2020-04-23 | High-precision fluted disc indexing test turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010325018.4A CN111347380B (en) | 2020-04-23 | 2020-04-23 | High-precision fluted disc indexing test turntable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111347380A CN111347380A (en) | 2020-06-30 |
| CN111347380B true CN111347380B (en) | 2023-11-24 |
Family
ID=71189732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010325018.4A Active CN111347380B (en) | 2020-04-23 | 2020-04-23 | High-precision fluted disc indexing test turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111347380B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129198A (en) * | 2020-10-19 | 2020-12-25 | 通用技术集团大连机床有限责任公司 | Fluted disc precision detection device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB593737A (en) * | 1942-12-19 | 1947-10-24 | Cone Automatic Mach Co Inc | Improvement in multiple spindle lathe |
| US2735161A (en) * | 1951-05-18 | 1956-02-21 | pulman | |
| GB1504323A (en) * | 1974-05-30 | 1978-03-22 | Illinois Tool Works | True index gear tooth space checking machines |
| CN201529901U (en) * | 2009-06-01 | 2010-07-21 | 扬州力创机床有限公司 | Vertical-horizontal machining center composite worktable |
| CN202185787U (en) * | 2011-05-12 | 2012-04-11 | 常州机电职业技术学院 | Indexing table |
| CN102788607A (en) * | 2012-07-19 | 2012-11-21 | 中国航空工业集团公司北京航空精密机械研究所 | High-precision end-toothed disc positioning rotary table |
| CN203414084U (en) * | 2013-07-03 | 2014-01-29 | 九江精达检测技术有限公司 | High-precision north seeker device |
| CN206292637U (en) * | 2016-12-23 | 2017-06-30 | 九江精达检测技术有限公司 | A kind of rotation table device of tape speed precision controlling |
| CN208342779U (en) * | 2018-05-15 | 2019-01-08 | 重庆朗维机电技术有限公司 | A kind of precision positioning mechanism for huge revolving index table |
| CN212399487U (en) * | 2020-04-23 | 2021-01-26 | 九江精密测试技术研究所 | Fluted disc graduation test revolving stage device |
-
2020
- 2020-04-23 CN CN202010325018.4A patent/CN111347380B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB593737A (en) * | 1942-12-19 | 1947-10-24 | Cone Automatic Mach Co Inc | Improvement in multiple spindle lathe |
| US2735161A (en) * | 1951-05-18 | 1956-02-21 | pulman | |
| GB1504323A (en) * | 1974-05-30 | 1978-03-22 | Illinois Tool Works | True index gear tooth space checking machines |
| CN201529901U (en) * | 2009-06-01 | 2010-07-21 | 扬州力创机床有限公司 | Vertical-horizontal machining center composite worktable |
| CN202185787U (en) * | 2011-05-12 | 2012-04-11 | 常州机电职业技术学院 | Indexing table |
| CN102788607A (en) * | 2012-07-19 | 2012-11-21 | 中国航空工业集团公司北京航空精密机械研究所 | High-precision end-toothed disc positioning rotary table |
| CN203414084U (en) * | 2013-07-03 | 2014-01-29 | 九江精达检测技术有限公司 | High-precision north seeker device |
| CN206292637U (en) * | 2016-12-23 | 2017-06-30 | 九江精达检测技术有限公司 | A kind of rotation table device of tape speed precision controlling |
| CN208342779U (en) * | 2018-05-15 | 2019-01-08 | 重庆朗维机电技术有限公司 | A kind of precision positioning mechanism for huge revolving index table |
| CN212399487U (en) * | 2020-04-23 | 2021-01-26 | 九江精密测试技术研究所 | Fluted disc graduation test revolving stage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111347380A (en) | 2020-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1260309B1 (en) | Table system with angular position controls | |
| CN111347380B (en) | High-precision fluted disc indexing test turntable | |
| US3850051A (en) | Precision functioning variable speed indexing apparatus | |
| CN107907959B (en) | Ultra-precise six-degree-of-freedom five-axis adjusting device for optical adjustment and detection | |
| CN212399487U (en) | Fluted disc graduation test revolving stage device | |
| CN108045861B (en) | Fixed angle rotary mechanism | |
| CN107186498B (en) | A kind of five-shaft numerical control drilling lathe for aircraft wing box numeric terminal | |
| CN210153180U (en) | High-precision shaft system with multi-position locking mechanism | |
| CN109372974B (en) | High-precision shafting with multi-position locking mechanism | |
| CN112212883A (en) | High-precision manual-automatic linkage two-shaft rotary table | |
| CN216463647U (en) | Small grinding head polishing equipment for multi-axis optical element | |
| CN110987394A (en) | Three-degree-of-freedom over-top tracking test turntable | |
| CN114236191B (en) | Wireless communication testing device | |
| US5711192A (en) | Indexer with improved clutch | |
| CN212785116U (en) | Six-degree-of-freedom direct-drive motor module | |
| CN210198704U (en) | Planetary roller screw precision test device capable of testing various sizes and models | |
| CN209453158U (en) | A kind of double servo-drive differential type movement/swing table devices | |
| CN110450112B (en) | Five-freedom-degree mechanical micro-motion platform | |
| CN209504159U (en) | A kind of rotating mechanical arm | |
| CN115331727B (en) | High-speed precise turntable with multiple serially connected movement modes | |
| JP2001269974A (en) | Injection equipment of injection molding machine | |
| CN201555565U (en) | Lifting mechanism for three-dimensional object profile measuring instrument | |
| CN217451674U (en) | Flexible forming device | |
| CN212258679U (en) | Vertical motion mechanism, two-dimensional motion mechanism and three-dimensional motion mechanism | |
| CN221120803U (en) | Movable rotary synchronizing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |