High-precision index plate slewing bearing

Abstract

The high-precision index plate slewing bearing comprises a driving assembly, the driving assembly comprises a shell, the top of the shell is provided with an opening, the top of the opening is connected with a top cover, the top of the top cover is provided with an index dial, the interior of the shell is rotationally connected with a main shaft, and the outer wall of the main shaft is fixedly connected with a large gear. One end of the main shaft is connected with an indexing dial, the inner wall of the shell is fixedly connected with a supporting block, the supporting block is fixedly connected with a partition plate, the top of the indexing dial is fixedly connected with a driving rotation platform, one side of the large gear is in meshed connection with a driving gear, and a driving motor is arranged at the bottom of the driving gear. A conveying pipe is arranged at the top of the joint of the driving gear and the large gear, one end of the conveying pipe is connected with a sprayer, the other end of the conveying pipe is connected with an oil tank, and an oil pump is arranged on the conveying pipe. According to the device, the driving gear and the large gear are lubricated, so that abrasion between the driving gear and the large gear is reduced, and the use precision of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of indexing disk bearings, in particular to a high-precision indexing disk slewing bearing. Background Art

[0002] The indexing plate is a machine tool accessory that clamps the workpiece on the chuck or between two centers and enables it to rotate, index and position. It is mostly used in automation equipment.

[0003] The dividing plate is mainly rotated by bearings, gears and motors during use. The gears will wear during the rotation process. The wear of the gears will seriously affect the accuracy of the dividing plate, so improvements are needed. Utility Model Content

[0004] The utility model aims to provide a high-precision indexing plate slewing bearing to solve the problem that the slewing gear of the indexing plate is easily worn and affects the use accuracy of the indexing plate proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision indexing plate slewing bearing, comprising a driving assembly, wherein the driving assembly comprises a shell, a main shaft is rotatably connected inside the shell, a large gear is fixedly connected to the outer wall of the main shaft, one end of the main shaft is connected to a dividing plate, a driving slewing platform is fixedly connected to the top of the dividing plate, a driving gear is meshedly connected to one side of the large gear, a driving motor is arranged at the bottom of the driving gear, a delivery pipe is arranged at the top of the connection between the driving gear and the large gear, one end of the delivery pipe is connected to a nozzle, the other end of the delivery pipe is connected to an oil tank, and an oil pump is arranged on the delivery pipe.

[0006] Preferably, an opening is provided at the top of the shell, a top cover is connected to the top of the opening, and a graduated scale is provided at the top of the top cover.

[0007] Preferably, a support block is fixedly connected to the inner wall of the shell, and a partition is fixedly connected to the support block.

[0008] Preferably, a driving motor is fixedly connected to the bottom of the partition, and one end of the driving motor shaft is connected to the shaft of the driving gear.

[0009] Preferably, an oil tank is fixedly connected to the inside of the shell, and a collecting pipe is connected to the top of the oil tank.

[0010] Preferably, one end of the collecting tube passes through the partition and is located on the top of the partition.

[0011] Preferably, one end of the main shaft passes through the top cover and is connected to the graduated scale plate, and the main shaft and the top cover are connected via a bearing.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The device lubricates the driving gear and the large gear, thereby reducing the wear between the driving gear and the large gear, thereby improving the use accuracy of the device.

[0014] (2) The device is provided with a nozzle at the top of the connection between the driving gear and the large gear, and the nozzle is connected to the oil tank through a delivery pipe, so that the connection between the driving gear and the large gear can be lubricated in time, thereby reducing the friction between the driving gear and the large gear, and improving the accuracy of the device by reducing the friction.

[0015] (3) The device arranges a partition inside the shell, connects a collecting pipe to the bottom of the partition, and connects one end of the collecting pipe to the oil tank, so that the lubricating oil on the partition can be collected to avoid waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a high-precision indexing plate slewing bearing of the utility model;

[0017] Figure 2 This is a cross-sectional view of a high-precision indexing plate slewing bearing of the utility model;

[0018] Figure 3 This utility model is a high-precision indexing plate slewing bearing Figure 2 Enlarged view of point A in the middle.

[0019] In the figure: 1. drive assembly; 11. top cover; 12. shell; 13. oil tank; 14. oil pump; 15. delivery pipe; 16. nozzle; 17. collection pipe; 18. support block; 19. partition; 2. dividing dial; 3. drive rotary platform; 4. main shaft; 5. large gear; 6. drive motor; 7. drive gear. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3The utility model provides a technical solution: a high-precision indexing disk slewing bearing, including a driving assembly 1, the driving assembly 1 includes a shell 12, the top of the shell 12 is provided with an opening, the top of the opening is connected to a top cover 11, and a graduated scale plate 2 is arranged on the top of the top cover 11; this structure facilitates maintenance work inside the shell 12 by arranging an openable top cover 11; a support block 18 is fixedly connected to the inner wall of the shell 12, and a partition 19 is fixedly connected to the support block 18; this structure can support the partition 19 by arranging the support block 18, so as to facilitate the installation or removal of the partition 19; the partition The bottom of the plate 19 is fixedly connected with a driving motor 6, and one end of the shaft of the driving motor 6 is connected to the shaft of the driving gear 7; this structure can drive the driving gear 7 to rotate through the driving motor 6, so that the driving gear 7 drives the large gear 5 to rotate during the rotation; the shell 12 is fixedly connected with an oil tank 13, and the top of the oil tank 13 is connected with a collecting pipe 17, and a filter screen (not shown in the figure) is arranged inside the collecting pipe 17 to filter impurities in the lubricating oil; this structure can collect the lubricating oil on the partition 19 by arranging the collecting pipe 17; one end of the collecting pipe 17 passes through the partition 19 and is located at the top of the partition 19; This structure can block part of the lubricating oil by setting a partition 19 to prevent the lubricating oil from dripping and being difficult to collect; the main shaft 4 is rotatably connected inside the shell 12, one end of the main shaft 4 passes through the top cover 11 and is connected to the graduated scale plate 2, and the main shaft 4 and the top cover 11 are connected through a bearing; this structure can drive the graduated scale plate 2 and the driving rotary platform 3 on the graduated scale plate 2 to rotate through the rotation of the main shaft 4; a large gear 5 is fixedly connected to the outer wall of the main shaft 4, one end of the main shaft 4 is connected to the graduated scale plate 2, the top of the graduated scale plate 2 is fixedly connected to the driving rotary platform 3, and one side of the large gear 5 is meshed with the driving rotary platform 3. Gear 7, a driving motor 6 is arranged at the bottom of the driving gear 7, a delivery pipe 15 is arranged at the top of the connection between the driving gear 7 and the large gear 5, one end of the delivery pipe 15 is connected to a nozzle 16, the other end of the delivery pipe 15 is connected to an oil tank 13, and an oil pump 14 is arranged on the delivery pipe 15; the device can output the lubricating oil in the oil tank 13 through the oil pump 14, so as to lubricate the driving gear 7 and the large gear 5 with the lubricating oil to reduce the friction between the driving gear 7 and the large gear 5, thereby reducing wear and improving the accuracy of the use of the device; the driving motor 6 can drive the driving gear 7 to rotate automatically.

[0022] Working principle: when using the high-precision indexing plate slewing bearing, first drive the motor 6 to drive the driving gear 7 to rotate. During the rotation of the driving gear 7, the driving gear 7 drives the large gear 5 to rotate through the main shaft 4. During the rotation of the main shaft 4, the indexing plate 2 and the driving slewing platform 3 are driven to rotate. During the rotation of the driving gear 7 and the large gear 5, the oil pump 14 is started. After the oil pump 14 is started, the lubricating oil in the oil tank 13 is output through the delivery pipe 15 and sprayed from the nozzle 16 on the connection between the driving gear 7 and the large gear 5, so that the driving gear 7 and the large gear 5 are lubricated and wear is reduced. During the lubrication process, part of the lubricating oil falls on the partition 19, and the lubricating oil is re-collected into the oil tank 13 through the collecting pipe 17 on the partition 19 for use to avoid waste.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-precision indexing plate slewing bearing, characterized in that: The invention comprises a driving assembly (1), wherein the driving assembly (1) comprises a housing (12), wherein a main shaft (4) is rotatably connected inside the housing (12), a large gear (5) is fixedly connected to the outer wall of the main shaft (4), one end of the main shaft (4) is connected to a graduated scale plate (2), the top of the graduated scale plate (2) is fixedly connected to a driving rotary platform (3), one side of the large gear (5) is meshingly connected to a driving gear (7), a driving motor (6) is arranged at the bottom of the driving gear (7), a delivery pipe (15) is arranged at the top of the connection between the driving gear (7) and the large gear (5), one end of the delivery pipe (15) is connected to a nozzle (16), the other end of the delivery pipe (15) is connected to an oil tank (13), and an oil pump (14) is arranged on the delivery pipe (15).

2. The high-precision indexing plate slewing bearing according to claim 1, characterized in that: The shell (12) has an opening at the top, the top of the opening is connected to a top cover (11), and a graduated scale plate (2) is arranged at the top of the top cover (11).

3. The high-precision indexing plate slewing bearing according to claim 1, characterized in that: A support block (18) is fixedly connected to the inner wall of the shell (12), and a partition plate (19) is fixedly connected to the support block (18).

4. The high-precision indexing plate slewing bearing according to claim 3, characterized in that: A driving motor (6) is fixedly connected to the bottom of the partition (19), and one end of the shaft of the driving motor (6) is connected to the shaft of the driving gear (7).

5. The high-precision indexing plate slewing bearing according to claim 1, characterized in that: An oil tank (13) is fixedly connected to the interior of the housing (12), and a collecting pipe (17) is connected to the top of the oil tank (13).

6. The high-precision indexing plate slewing bearing according to claim 5, characterized in that: One end of the collecting pipe (17) passes through the partition (19) and is located on the top of the partition (19).

7. The high-precision indexing plate slewing bearing according to claim 1, characterized in that: One end of the main shaft (4) passes through the top cover (11) and is connected to the graduated scale plate (2); the main shaft (4) and the top cover (11) are connected via a bearing.

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