Gear grinding inner and outer ring machining device for slewing bearing

Abstract

The utility model discloses a slewing bearing gear grinding inner ring and outer ring machining device which comprises a working table, a fixing frame is fixedly installed at one end of the top of the working table, a positioning mechanism and a grinding mechanism are fixedly installed at the top of the fixing frame, and the positioning mechanism comprises a first air cylinder, a shell, a first motor, a threaded rod and a positioning rod. The first air cylinder is fixedly installed at the top of the fixing frame, through the design of the first air cylinder, the shell, the first motor, the threaded rod, the positioning rod and other structures, when the device is used, the position of the positioning rod can be adjusted according to slewing bearings of different sizes, and then the device can meet the positioning requirements of the slewing bearings of different sizes; and during positioning treatment, a plurality of positioning rods can be synchronously inserted into corresponding mounting holes of the slewing bearing to fix the slewing bearing, so that the gear grinding machining of the slewing bearing is ensured, the positioning efficiency is higher, and the labor capacity of workers can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of slewing bearing processing, in particular to a slewing bearing grinding gear inner and outer ring processing device. Background Art

[0002] In the slewing bearing, gears are an important component used to transmit power and motion. In order to ensure the normal operation and service life of the slewing bearing, the gears need to be accurately ground. When grinding the gears, a gear grinder is needed. The gear grinder is a metal cutting machine used for gear finishing. It uses a grinding wheel as a tool to grind the processed gear tooth surface to improve the gear accuracy and surface finish. This processing method is called "gear grinding".

[0003] When processing the tooth surface of a slewing bearing, in order to ensure the processing quality, the slewing bearing needs to be positioned first. The usual practice is to set a number of fixed blocks on the processing table, and the fixed blocks are threaded with positioning pins. After the slewing bearing is placed, the positioning pins are rotated to make it drop, and the positioning pins are inserted into the mounting holes opened on the surface of the slewing bearing to achieve the positioning of the slewing bearing, and then the tooth surface is polished by a grinding wheel. However, in order to ensure the stability of the slewing bearing during processing, the number of positioning pins is often several, that is, when the staff fixes the slewing bearing, they need to operate the positioning pins multiple times to achieve the positioning of the slewing bearing, which is inconvenient. Therefore, a slewing bearing inner and outer ring grinding processing device is proposed. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that when fixing the slewing bearing, the staff need to operate the positioning pins for many times to achieve the positioning of the slewing bearing, which is inconvenient to operate, and proposes a slewing bearing inner and outer ring processing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A slewing bearing gear grinding inner and outer ring processing device comprises a workbench, a fixed frame is fixedly installed at one end of the top of the workbench, and a positioning mechanism and a grinding mechanism are fixedly installed on the top of the fixed frame respectively, the positioning mechanism comprises a first cylinder, a shell, a first motor, a threaded rod and a positioning rod, the first cylinder is fixedly installed on the top of the fixed frame, and the moving end of the first cylinder passes through the top of the fixed frame and is fixedly connected with a fixed plate, the bottom of the fixed plate is rotatably installed with a mounting plate, the top of the shell is fixedly installed with a first motor, and the top of the first motor is fixedly installed on the bottom of the mounting plate, the rotating shaft of the first motor passes through the top of the shell and is fixedly connected with the threaded rod, one end corresponding to the threaded rod is rotatably installed on the bottom surface inside the shell, the threaded rod is threadedly installed with a threaded barrel on the outer surface of the threaded rod located outside the shell, and the outer wall of the threaded barrel is evenly rotatably connected with three connecting rods, the bottom of the shell is evenly opened with three movable grooves, and connecting blocks are slidably installed in the three movable grooves, and one end corresponding to the three connecting rods is respectively rotatably connected to the outside of the connecting block, the bottom of the connecting block is fixedly connected with the mounting block, and the bottom of the mounting block is detachably installed with a positioning rod.

[0007] Preferably, a cavity is opened on one side of the workbench, and a door body is hinged on the outside of the workbench at the cavity, and a mounting seat is rotatably mounted on the top of the workbench.

[0008] Preferably, a driving motor is provided on the top surface of the cavity, and a rotating shaft of the driving motor passes through the top of the workbench and is fixedly connected to a mounting seat.

[0009] Preferably, a thread groove is formed at the bottom of the mounting block, and the top thread of the positioning rod is installed inside the thread groove.

[0010] Preferably, the grinding mechanism includes a second cylinder, a fixed seat, a second motor and a grinding wheel. The second cylinder is fixedly mounted on the top of the fixed frame, and the movable end of the second cylinder passes through the top of the fixed frame and is fixedly connected to the fixed seat. A second motor is fixedly mounted on one side of the fixed seat, and the rotating shaft of the second motor is fixedly connected to the grinding wheel.

[0011] Preferably, the shell is cylindrical in shape, and the interior of the shell is a hollow structure.

[0012] The utility model has the following beneficial effects:

[0013] 1. Through the design of the first cylinder, the housing, the first motor, the threaded rod and the positioning rod, when using the device, the position of the positioning rod can be adjusted according to the slewing bearings of different sizes, so that the device can be suitable for the positioning requirements of slewing bearings of different sizes, and when performing the positioning process, a plurality of positioning rods can be synchronously inserted into the corresponding mounting holes of the slewing bearing to fix the slewing bearing, thereby ensuring that the slewing bearing gear grinding process is performed while the positioning efficiency is higher, which can reduce the workload of the staff.

[0014] 2. By setting the structural design of the mounting block, threaded groove and positioning rod, when using this device, the positioning rod of the corresponding size can be selected according to the size of the mounting hole of the slewing bearing surface to be processed. The positioning rod can be removed from the mounting block for replacement by rotating it counterclockwise. The operation is simple and suitable for the positioning requirements of slewing bearings of different specifications to ensure the quality of positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure proposed by the utility model;

[0016] Figure 2 This is a rear view structural schematic diagram of the utility model;

[0017] Figure 3 This is a cross-sectional structural diagram of the positioning mechanism proposed by the utility model;

[0018] Figure 4 The utility model proposed Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0019] In the figure: 1, workbench; 101, mounting seat; 2, fixing frame; 3, positioning mechanism; 4, grinding mechanism; 5, first cylinder; 6, fixing plate; 7, mounting plate; 8, housing; 9, first motor; 10, threaded rod; 11, threaded barrel; 12, connecting rod; 13, movable groove; 14, connecting block; 15, mounting block; 16, threaded groove; 17, positioning rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4A slewing bearing gear grinding inner and outer ring processing device comprises a workbench 1, a cavity is opened on one side of the workbench 1, and a door body is hinged on the outside of the workbench 1 at the cavity, a mounting seat 101 is rotatably installed on the top of the workbench 1, a driving motor is provided on the top surface of the cavity, a rotating shaft of the driving motor passes through the top of the workbench 1 and is fixedly connected to the mounting seat 101, the mounting seat 101 is used to place the slewing bearing, a fixing frame 2 is fixedly installed on one end of the top of the workbench 1, and a positioning mechanism 3 and a grinding mechanism 4 are fixedly installed on the top of the fixing frame 2, and the grinding mechanism 4 The invention comprises a second cylinder, a fixing seat, a second motor and a grinding wheel. The second cylinder is fixedly mounted on the top of the fixing frame 2, and the moving end of the second cylinder passes through the top of the fixing frame 2 and is fixedly connected to the fixing seat. A second motor is fixedly mounted on one side of the fixing seat, and the rotating shaft of the second motor is fixedly connected to the grinding wheel. The positioning mechanism 3 comprises a first cylinder 5, a housing 8, a first motor 9, a threaded rod 10 and a positioning rod 17. The first cylinder 5 is fixedly mounted on the top of the fixing frame 2, and the moving end of the first cylinder 5 passes through the top of the fixing frame 2 and is fixedly connected to the fixing plate 6. The bottom of the fixing plate 6 The housing 8 is rotatably mounted with a mounting plate 7, the housing 8 is cylindrical in shape, and the interior of the housing 8 is a hollow structure, a first motor 9 is fixedly mounted on the top of the housing 8, and the top of the first motor 9 is fixedly mounted on the bottom of the mounting plate 7, the rotating shaft of the first motor 9 passes through the top of the housing 8 and is fixedly connected with a threaded rod 10, one end of the threaded rod 10 is rotatably mounted on the bottom surface of the housing 8, the threaded rod 10 is threadedly mounted on the outer surface of the housing 8, and the outer wall of the threaded rod 11 is evenly rotatably connected with three connecting rods 12, and the bottom of the housing 8 is evenly Three movable grooves 13 are evenly arranged, and connecting blocks 14 are slidably installed in the three movable grooves 13 respectively, and the corresponding ends of the three connecting rods 12 are rotatably connected to the outside of the connecting block 14 respectively, and the bottom of the connecting block 14 is fixedly connected to the mounting block 15, and the bottom of the mounting block 15 is detachably installed with a positioning rod 17, and the bottom of the mounting block 15 is provided with a threaded groove 16, and the top thread of the positioning rod 17 is installed inside the threaded groove 16. Furthermore, the threaded groove 16 can be designed into a plurality of groove structures with different diameters, which can be suitable for the installation requirements of positioning rods 17 of different sizes.

[0022] The use method and advantages of the utility model: When the slewing bearing gear grinding inner and outer ring processing device is used, the working process is as follows:

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, when using the device, first place the slewing bearing on the mounting seat 101, then turn on the switch of the first cylinder 5 to lower the fixing plate 6, and then the positioning rod 17 can be lowered and inserted into the mounting hole of the slewing bearing to fix the slewing bearing. When it is necessary to adjust the position of the positioning rod 17 to adapt to different slewing bearing positioning, turn on the switch of the first motor 9 to make it work. The first motor 9 drives the threaded rod 10 to rotate. Under the limitation of the movable groove 13 and the connecting block 14, the threaded rod 10 rotates to make the threaded barrel 11 lower, and then the connecting rod 12 pushes the connecting block 14 to slide in the movable groove 13, so that the position of the positioning rod 17 can be changed, so that the device can be suitable for the processing and positioning requirements of slewing bearings of different sizes.

[0024] When positioning slewing bearings of different specifications, the positioning rod 17 of the corresponding size can be selected according to the size of the mounting hole of the slewing bearing surface to be processed, that is, the positioning rod 17 can be removed from the mounting block 15 for replacement by rotating the positioning rod 17 counterclockwise, and then the positioning rod 17 of the size corresponding to the mounting hole of the slewing bearing surface can be taken out and reinstalled. The operation is simple, applicable to the positioning requirements of slewing bearings of different specifications, and the quality of positioning is ensured.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A slewing bearing gear grinding inner and outer ring processing device, comprising a workbench (1), characterized in that: A fixing frame (2) is fixedly mounted on one end of the top of the workbench (1), and a positioning mechanism (3) and a grinding mechanism (4) are respectively fixedly mounted on the top of the fixing frame (2), and the positioning mechanism (3) comprises a first cylinder (5), a shell (8), a first motor (9), a threaded rod (10) and a positioning rod (17), the first cylinder (5) is fixedly mounted on the top of the fixing frame (2), and the moving end of the first cylinder (5) passes through the top of the fixing frame (2) and is fixedly connected to a fixing plate (6), the bottom of the fixing plate (6) is rotatably mounted with a mounting plate (7), the top of the shell (8) is fixedly mounted with a first motor (9), and the top of the first motor (9) is fixedly mounted on the bottom of the mounting plate (7), and the rotating shaft of the first motor (9) passes through the fixing plate (6) and the fixing plate (7) is fixedly mounted on the fixing plate (7), and the fixing plate (6 ... A threaded rod (10) passes through the top of the shell (8) and is fixedly connected thereto. One corresponding end of the threaded rod (10) is rotatably mounted on the bottom surface of the shell (8). A threaded barrel (11) is threadedly mounted on the outer surface of the threaded rod (10) located outside the shell (8). Three connecting rods (12) are evenly rotatably connected to the outer wall of the threaded barrel (11). Three movable grooves (13) are evenly arranged at the bottom of the shell (8). Connecting blocks (14) are slidably mounted in the three movable grooves (13), and one corresponding end of the three connecting rods (12) is rotatably connected to the outside of the connecting block (14). A mounting block (15) is fixedly connected to the bottom of the connecting block (14). A positioning rod (17) is detachably mounted on the bottom of the mounting block (15).

2. The device for processing inner and outer rings of slewing bearing gear grinding according to claim 1, characterized in that: A cavity is provided on one side of the workbench (1), and a door body is hingedly connected to the outside of the workbench (1) at the cavity. A mounting seat (101) is rotatably mounted on the top of the workbench (1).

3. The device for processing inner and outer rings of slewing bearing gear grinding according to claim 2, characterized in that: A driving motor is provided on the top surface of the cavity, and a rotating shaft of the driving motor passes through the top of the workbench (1) and is fixedly connected to a mounting seat (101).

4. The device for processing inner and outer rings of slewing bearing gear grinding according to claim 1, characterized in that: A thread groove (16) is provided at the bottom of the installation block (15), and the top of the positioning rod (17) is threadedly installed inside the thread groove (16).

5. The device for processing inner and outer rings of slewing bearing gear grinding according to claim 1, characterized in that: The grinding mechanism (4) comprises a second cylinder, a fixed seat, a second motor and a grinding wheel, wherein the second cylinder is fixedly mounted on the top of the fixed frame (2), and the movable end of the second cylinder passes through the top of the fixed frame (2) and is fixedly connected to the fixed seat, a second motor is fixedly mounted on one side of the fixed seat, and a rotating shaft of the second motor is fixedly connected to the grinding wheel.

6. The device for processing inner and outer rings of slewing bearing gear grinding according to claim 1, characterized in that: The shell (8) is cylindrical in shape, and the interior of the shell (8) is a hollow structure.

Images