CN215999741U

CN215999741U - Revolving stage with accurate graduation function of numerical control

Info

Publication number: CN215999741U
Application number: CN202122017909.6U
Authority: CN
Inventors: 黄东方; 于志强
Original assignee: Shanghai Shining Wind Power Equipment Co ltd
Current assignee: Shanghai Shining Wind Power Equipment Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-11
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a rotary table with a numerical control accurate indexing function, which comprises a rotary table base, wherein the top end of the rotary table base is provided with a rotary table body, the middle part of the rotary table body is provided with a first mounting hole, a rotating shaft is arranged in the first mounting hole, a second mounting hole is communicated above the first mounting hole, a circular grating assembly is arranged in the second mounting hole, the circular grating assembly comprises a circular grating outer ring positioning plate, the bottom end of the circular grating outer ring positioning plate is fixedly connected with the top end of the rotating shaft through a bolt, a third mounting hole is communicated above the second mounting hole, and a circular grating sensor is fixedly connected with the top end of the circular grating outer ring positioning plate. According to the utility model, the rotation angle of the rotary table body can be accurately known through the circular grating assembly which is arranged in the first mounting hole and connected with the rotating shaft, and the controller is used for controlling the brake mechanism to brake so as to prevent the rotation angle of the rotary table body from exceeding a proper range, so that the operation is simple, and the precision is higher.

Description

Revolving stage with accurate graduation function of numerical control

Technical Field

The utility model relates to the technical field of numerical control machines, in particular to a rotary table with a numerical control accurate indexing function.

Background

A large number of holes such as machining square holes, through holes, screw holes and the like are required to be machined in various parts of the wind power stator and rotor support assembly and spare and accessory parts, and when machining is carried out, a workpiece is generally required to be clamped and fixed on a numerical control rotary table for operation.

When an existing part of numerical control rotary table is used for machining, the rotary precision control is not accurate enough, the drilling position is easy to deviate, the machining precision of a workpiece is affected, and the use requirements of people cannot be well met.

Therefore, it is necessary to invent a turntable with numerical control precise indexing function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary table with a numerical control accurate indexing function, and aims to solve the problems that in the prior art, when part of the existing numerical control rotary table is processed, the precision control on rotation is not accurate enough, the drilling position is easy to deviate, the processing precision of a workpiece is influenced, and the use requirements of people cannot be well met.

In order to achieve the above purpose, the utility model provides the following technical scheme: a rotary table with a numerical control accurate indexing function comprises a rotary table base, wherein a rotary table body is arranged at the top end of the rotary table base, a first mounting hole is formed in the middle of the rotary table body, a rotating shaft is arranged in the first mounting hole, a second mounting hole is communicated with the upper portion of the first mounting hole, a circular grating assembly is arranged in the second mounting hole and comprises a circular grating outer ring positioning plate, the bottom end of the circular grating outer ring positioning plate is fixedly connected with the top end of the rotating shaft through a bolt, a third mounting hole is communicated with the upper portion of the second mounting hole, a circular grating sensor is fixedly connected with the top end of the circular grating outer ring positioning plate, a circular grating inner ring connecting plate is fixedly arranged at the top end of the circular grating sensor and is located in the third mounting hole, and the circular grating inner ring connecting plate is fixedly connected with the bottom end of the inner wall of the third mounting hole through a bolt, the top of third mounting hole is equipped with the fourth mounting hole, the inner wall bottom of fourth mounting hole is through bolt fixedly connected with protection apron, the inside of revolving stage base is equipped with revolving stage drive module, revolving stage drive module is connected with the pivot, the front side of revolving stage base is equipped with the controller, the controller passes through wire and revolving stage drive module and circle grating sensor electric connection, the top of revolving stage base is equipped with brake mechanism.

Preferably, the bottom end of the inner wall of the first mounting hole is provided with an inclined plane bearing, and the outer wall of the rotating shaft is attached to the inner wall of the inclined plane bearing.

Preferably, a compression washer is arranged above the inclined plane bearing, the compression washer is sleeved on the rotating shaft, and the compression washer is not contacted with the rotating shaft.

Preferably, a plane bearing is arranged above the compression washer, and a loose ring of the plane bearing is positioned below a tight ring.

Preferably, a compression nut is arranged above the plane bearing, a splicing cap is arranged above the compression nut, and the upper surface of the splicing cap is close to the lower surface of the circular grating outer ring positioning plate.

Preferably, the outer wall of the rotating shaft is provided with external threads, and the splicing cap and the compression nut are in threaded connection with the rotating shaft.

Preferably, the brake mechanism includes four hydraulic brake shoe blocks, four hydraulic brake shoe blocks are respectively installed around the top end of the turntable base, and the four hydraulic brake shoe blocks are electrically connected with the controller through wires.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. the rotary angle of the rotary table body can be accurately known through the circular grating assembly which is arranged in the first mounting hole and connected with the rotating shaft, and the controller controls the brake mechanism to brake so as to prevent the rotary angle of the rotary table body from exceeding a proper range, so that the operation is simple, and the precision is high;

2. the bottom of countershaft can be fixed through the inclined plane bearing that sets up for the pivot is more stable smooth and easy in first mounting hole rotation, can compress tightly fixedly inclined plane bearing through the pressure washer who sets up, avoids the pivot to rotate the in-process, and inclined plane bearing takes place skew and influences the pivot, can avoid pressure nut to lead to the fact the influence to pressure washer when rotating through the flat face bearing who sets up.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a turntable base according to the present invention;

FIG. 3 is a cross-sectional view of the overall construction of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3 according to the present invention;

fig. 5 is an enlarged view of the area B in fig. 4 according to the present invention.

Description of reference numerals:

1. a turntable base; 11. a turntable driving module; 12. a controller; 2. a turntable body; 21. a first mounting hole; 211. a bevel bearing; 212. a compression washer; 213. a flat bearing; 214. a compression nut; 215. splicing caps; 22. a rotating shaft; 23. a second mounting hole; 24. a third mounting hole; 25. a fourth mounting hole; 26. a protective cover plate; 3. a circular grating assembly; 31. a circular grating outer ring positioning plate; 32. a circular grating sensor; 33. a circular grating inner ring connecting plate; 4. a brake mechanism; 41. a hydraulic brake shoe.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a turntable with numerical control accurate indexing function as shown in figures 1-5, which comprises a turntable base 1, wherein the top end of the turntable base 1 is provided with a turntable body 2, the middle part of the turntable body 2 is provided with a first mounting hole 21, a rotating shaft 22 is arranged in the first mounting hole 21, a second mounting hole 23 is communicated with the upper part of the first mounting hole 21, a circular grating component 3 is arranged in the second mounting hole 23, the circular grating component 3 comprises a circular grating outer ring positioning plate 31, the bottom end of the circular grating outer ring positioning plate 31 is fixedly connected with the top end of the rotating shaft 22 through a bolt, a third mounting hole 24 is communicated with the upper part of the second mounting hole 23, the top end of the circular grating outer ring positioning plate 31 is fixedly connected with a circular grating sensor 32, the top end of the circular grating sensor 32 is fixedly provided with a circular grating inner ring connecting plate 33, the circular grating inner ring connecting plate 33 is positioned in the third mounting hole 24, circle grating inner ring connecting plate 33 passes through the inner wall bottom fixed connection of bolt and third mounting hole 24, the top of third mounting hole 24 is equipped with fourth mounting hole 25, bolt fixedly connected with protection cover plate 26 is passed through to the inner wall bottom of fourth mounting hole 25, the inside of revolving stage base 1 is equipped with revolving stage drive module 11, revolving stage drive module 11 is connected with pivot 22, the front side of revolving stage base 1 is equipped with controller 12, controller 12 passes through wire and revolving stage drive module 11 and circle grating sensor 32 electric connection, the top of revolving stage base 1 is equipped with brake mechanism 4.

The inner wall bottom of first mounting hole 21 is equipped with inclined plane bearing 211, the outer wall of pivot 22 is connected with the inner wall laminating of inclined plane bearing 211, can fix pivot 22's bottom through the inclined plane bearing 211 that sets up for pivot 22 is more stable smooth and easy at first mounting hole 21 internal rotation.

The top of inclined plane bearing 211 is equipped with pressure washer 212, pressure washer 212 cover is established on pivot 22, just pressure washer 212 does not contact with pivot 22, can compress tightly fixedly inclined plane bearing 211 through the pressure washer 212 that sets up, avoids pivot 22 to rotate the in-process, and inclined plane bearing 211 takes place to deviate and influence pivot 22.

The plane bearing 213 is arranged above the pressing washer 212, the loose ring of the plane bearing 213 is arranged below the tight ring, and the influence on the pressing washer 212 when the pressing nut 214 rotates can be avoided through the arranged plane bearing 213.

The top of flat face bearing 213 is equipped with gland nut 214, gland nut 214's top is equipped with piece together cap 215, piece together the upper surface of cap 215 and be close to the lower surface of circular grating outer loop locating plate 31, can fix flat face bearing 213, pressure washer 212 and inclined plane bearing 211 through gland nut 214 and the piece together cap 215 that sets up, and set up and make pivot 22 drive gland nut 214 and piece together cap 215 and can not cause the influence to pressure washer 212 when rotating in flat face bearing 213's top.

The outer wall of pivot 22 is equipped with the external screw thread, piece together cap 215 and gland nut 214 and pivot 22 threaded connection, make things convenient for the dismouting through piece together cap 215 and gland nut 214 and pivot 22 threaded connection's mode.

Brake mechanism 4 is including hydraulic brake hoof piece 41, hydraulic brake hoof piece 41 is equipped with four, four hydraulic brake hoof piece 41 is installed respectively around 1 top of revolving stage base, four hydraulic brake hoof piece 41 passes through wire and controller 12 electric connection, can fix revolving stage body 2 through the hydraulic brake hoof piece 41 that sets up, avoids revolving stage body 2 to rotate and influence the machining precision.

This practical theory of operation:

referring to the accompanying drawings 1-5 of the specification, when a user needs to use the circular grating sensor 32, the circular grating inner ring connecting plate 33 is fixedly connected with the bottom end of the inner wall of the third mounting hole 24 through a bolt, the inclined plane bearing 211, the pressing washer 212 and the plane bearing 213 are sequentially mounted in the first mounting hole 21 by the user, the outer wall of the rotating shaft 22 is attached to the inner wall of the inclined plane bearing 211, the inner wall of the pressing washer 212 is not contacted with the outer wall of the rotating shaft 22, the loose ring of the plane bearing 213 is connected with the pressing washer 212, then the pressing nut 214 and the split cap 215 are sequentially screwed up to fix the inclined plane bearing 211, the pressing washer 212 and the plane bearing 213, the pressing nut 214 is connected with the tight ring of the plane bearing 213, then the circular grating outer ring positioning plate 31 is fixedly connected with the top end of the rotating shaft 22 through a bolt fixing mode, then, the protective cover plate 26 is fixedly connected with the bottom end of the inner wall of the fourth mounting hole 25 through a bolt so as to plug the fourth mounting hole 25, and the influence on internal parts caused by the entering of sundries is avoided, the sundries are input through the controller 12 through the required rotating angle, the controller 12 starts the turntable driving module 11 to drive the rotating shaft 22 to drive the turntable body 2 to rotate, the circular grating sensor 32 transmits the rotating angle of the rotating shaft 22 to the controller 12, after the rotating shaft rotates to a proper angle, the controller 12 stops the turntable driving module 11 and starts the hydraulic brake shoe 41 to brake, the rotating angle of the turntable body 2 is prevented from exceeding a proper range, the turntable body 2 can be fixed, and the machining precision is prevented from being influenced by the rotation of the turntable body 2 during machining;

referring to the accompanying drawings 1-5 of the specification, when a user needs to use the device, the bottom end of the rotating shaft 22 can be fixed through the arranged inclined plane bearing 211, so that the rotating shaft 22 can rotate more stably and smoothly in the first mounting hole 21, the inclined plane bearing 211 can be pressed and fixed through the arranged pressing washer 212, the rotating shaft 22 is prevented from being influenced by the inclined plane bearing 211 when the rotating shaft 22 rotates, the pressing washer 212 can be prevented from being influenced by the pressing nut 214 when the pressing nut 214 rotates through the arranged plane bearing 213, the pressing washer 212 and the inclined plane bearing 211 can be fixed through the arranged pressing nut 214 and the split nut 215, the rotating shaft 22 drives the pressing nut 214 and the split nut 215 to rotate without influencing the pressing washer 212, and the split nut 215 and the pressing nut 214 are conveniently assembled and disassembled in a threaded connection mode with the rotating shaft 22, can fix revolving stage body 2 through the hydraulic brake shoe 41 that sets up, avoid revolving stage body 2 to rotate and influence the machining precision.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a revolving stage with accurate graduation function of numerical control, includes revolving stage base (1), its characterized in that: the turntable comprises a turntable base (1), and is characterized in that a turntable body (2) is arranged at the top end of the turntable base (1), a first mounting hole (21) is formed in the middle of the turntable body (2), a rotating shaft (22) is arranged in the first mounting hole (21), a second mounting hole (23) is communicated with the upper portion of the first mounting hole (21), a circular grating component (3) is arranged in the second mounting hole (23), the circular grating component (3) comprises a circular grating outer ring positioning plate (31), the bottom end of the circular grating outer ring positioning plate (31) is fixedly connected with the top end of the rotating shaft (22) through a bolt, a third mounting hole (24) is communicated with the upper portion of the second mounting hole (23), a circular grating sensor (32) is fixedly connected with the top end of the circular grating outer ring positioning plate (31), a circular grating inner ring connecting plate (33) is fixedly arranged at the top end of the circular grating sensor (32), and the circular grating inner ring connecting plate (33) is located in the third mounting hole (24), circle grating inner ring connecting plate (33) are through the inner wall bottom fixed connection of bolt and third mounting hole (24), the top of third mounting hole (24) is equipped with fourth mounting hole (25), bolt fixedly connected with protection cover plate (26) are passed through to the inner wall bottom of fourth mounting hole (25), the inside of revolving stage base (1) is equipped with revolving stage drive module (11), revolving stage drive module (11) are connected with pivot (22), the front side of revolving stage base (1) is equipped with controller (12), controller (12) are through wire and revolving stage drive module (11) and circle grating sensor (32) electric connection, the top of revolving stage base (1) is equipped with brake mechanism (4).

2. The rotary table with numerical control precise indexing function according to claim 1, wherein: the inner wall bottom of first mounting hole (21) is equipped with inclined plane bearing (211), the outer wall of pivot (22) is connected with the inner wall laminating of inclined plane bearing (211).

3. A rotary table with a numerical control precision indexing function according to claim 2, wherein: a compression washer (212) is arranged above the inclined plane bearing (211), the compression washer (212) is sleeved on the rotating shaft (22), and the compression washer (212) is not in contact with the rotating shaft (22).

4. A rotary table with a numerical control precision indexing function according to claim 3, wherein: and a plane bearing (213) is arranged above the compression washer (212), and a loose ring of the plane bearing (213) is positioned below the tight ring.

5. The rotary table with numerical control precise indexing function according to claim 4, wherein: the upper side of the plane bearing (213) is provided with a compression nut (214), the upper side of the compression nut (214) is provided with a split cap (215), and the upper surface of the split cap (215) is close to the lower surface of the circular grating outer ring positioning plate (31).

6. A rotary table with a numerical control precision indexing function according to claim 5, wherein: the outer wall of pivot (22) is equipped with the external screw thread, piece together cap (215) and gland nut (214) and pivot (22) threaded connection.

7. The rotary table with numerical control precise indexing function according to claim 1, wherein: the brake mechanism (4) is including hydraulic brake hoof piece (41), hydraulic brake hoof piece (41) are equipped with four, and four hydraulic brake hoof piece (41) are installed respectively around revolving stage base (1) top, four hydraulic brake hoof piece (41) pass through wire and controller (12) electric connection.