Grinding machine gear ring lifting and rotating mechanism
By providing annular grooves and shaft columns on the outer periphery of the grinder ring gear, the problem of insufficient transmission accuracy due to the difficulty of external teeth processing in the prior art is solved, and a high-precision action of the gear ring lifting and rotating is achieved.
Patent Information
- Application Number
- CN202421372219.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing grinder ring gear rotation structure is difficult to process external teeth, resulting in insufficient transmission accuracy, which cannot effectively solve the accuracy problem of ring gear lifting and rotation.
A ring gear lifting and rotating mechanism is designed. By setting an annular groove on the outer circumference of the ring gear and evenly distributing the shaft columns in the groove, these shaft columns are used to cooperate with the first gear to achieve rotation of the ring gear, avoiding the difficulty of external teeth processing.
This design reduces the difficulty of machining the outer peripheral ring gear, improves the transmission accuracy, and ensures that the lifting and rotating movement of the ring gear can be completed with high accuracy.
Smart Images
Figure CN222644181U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grinders, in particular to a grinding machine gear ring lifting and rotating mechanism. Background Art
[0002] According to practical requirements, the inner gear ring of the grinder needs to perform two actions: lifting and rotating. In the structure for realizing the rotation action, external teeth are arranged on the outside of the gear ring, and the rotation of the first gear is controlled by a rotation drive device. The first gear meshes with the outer teeth of the gear ring to drive the gear ring to rotate. However, due to the large outer diameter of the gear ring of the grinder, it is difficult to process the external teeth and its processing accuracy cannot be guaranteed, which will also affect the transmission accuracy. Therefore, it needs to be improved. Utility Model Content
[0003] The utility model aims to provide a grinding machine gear ring lifting and rotating mechanism to solve the problems mentioned in the background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A grinding machine gear ring lifting and rotating mechanism, comprising a gear ring assembly, a lifting mechanism and a rotating mechanism; the lifting mechanism and the rotating mechanism are respectively mounted on the frame of the grinding machine and the power output end is connected to the gear ring assembly; the gear ring assembly comprises a mounting shell and an inner gear ring rotatably connected in the mounting shell; the outer wall of the inner gear ring is provided with an annular groove; a plurality of shaft columns are evenly distributed in the annular groove; the lifting mechanism is arranged below the gear ring assembly and the power output end is connected to the mounting shell for driving the mounting shell to move up and down; the rotating mechanism is arranged on one side of the gear ring assembly, comprising a rotating drive device, a telescopic universal coupling, an outer cover and a first gear; the outer cover is fixed to one side of the mounting shell; the power output end of the rotating drive device is connected to the lower end of the telescopic universal coupling; the upper part of the telescopic universal coupling is rotatably connected in the outer cover; the first gear is fixed to the upper end of the universal shaft coupling and is transmission-connected to the shaft column.
[0006] Further describing the utility model, the side wall of the shaft column is provided with a broken line-shaped notch.
[0007] Further description of the utility model, the rotary drive device includes a first motor and a first reducer; the power output end of the first motor is connected to the first reducer; the power output end of the first reducer is connected to the lower end of the telescopic universal coupling.
[0008] Further description of the utility model, the lifting mechanism includes a second motor, a second reducer, a synchronous belt, a tensioner and three groups of lifting components; the three groups of lifting components are arranged in a triangular distribution, including a sleeve, a screw rod, a push rod and a second gear; the screw rod is rotatably connected in the sleeve and the lower end extends out of the sleeve and is fixedly connected to the second gear; the push rod is slidably connected to the upper part of the sleeve; the lower end of the push rod is connected to the screw rod through a threaded hole; the upper end of the push rod is fixedly connected to the mounting shell; the synchronous belt drive is connected between the second gears of the three groups of lifting components and is tightened by the tensioner; the power output end of the second motor is connected to the second reducer; the power output end of the second reducer is connected to the second gear of one group of lifting components.
[0009] The beneficial effects of the utility model are:
[0010] This design provides an annular groove on the outer periphery of the gear ring, and provides an internal mounting shaft column in the annular groove for transmission with the first gear. This setting does not require processing external teeth on the outer periphery of the gear ring with a larger outer diameter, reduces the processing difficulty, and avoids the defect of insufficient precision caused by processing external teeth. This setting can improve the transmission accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is the overall structure diagram of the utility model;
[0012] Figure 2 It is a partial structural diagram of the utility model;
[0013] Figure 3 yes Figure 2 A partial enlarged view of middle A;
[0014] Figure 4 It is a half-section structural diagram of the second reducer connected to the lifting assembly of the utility model. DETAILED DESCRIPTION
[0015] The utility model is further described below in conjunction with the accompanying drawings:
[0016] like Figure 1-4As shown, a grinding machine gear ring lifting and rotating mechanism 3 includes a gear ring assembly 1, a lifting mechanism 2 and a rotating mechanism 3; the lifting mechanism 2 and the rotating mechanism 3 are respectively installed on the frame of the grinding machine and the power output end is connected to the gear ring assembly 1; the gear ring assembly 1 includes a mounting shell 11 and an inner gear ring 12 rotatably connected in the mounting shell 11; the outer wall of the inner gear ring 12 is provided with an annular groove 121; a plurality of shaft columns 122 are evenly distributed in a circumference in the annular groove 121; the lifting mechanism 2 is arranged below the gear ring assembly 1 and the power output end is connected to the mounting shell 11, which is used to drive the mounting shell 11 to move up and down; the rotating mechanism 3 is arranged on one side of the gear ring assembly 1, and includes a rotation drive device 31, a telescopic universal coupling 32, an outer cover 33 and a first gear 34; the outer The cover 33 is fixed to one side of the mounting shell 11; the power output end of the rotary drive device 31 is connected to the lower end of the telescopic universal coupling 32; the upper part of the telescopic universal coupling 32 is rotatably connected in the outer cover 33; the first gear 34 is fixed to the upper end of the universal shaft coupling and is transmission-connected to the shaft column 122; the lifting mechanism 2 controls the lifting and lowering of the ring gear assembly 1; during the lifting and lowering process, the outer cover 33 in the rotary mechanism 3 is also lifted and lowered with the ring gear assembly 1; the outer cover 33 drives the upper part of the telescopic universal coupling 32 to lift and lower synchronously; the rotary mechanism 3 drives the telescopic universal coupling 32 to rotate through the rotary drive device 31; the telescopic universal coupling 32 drives the first gear 34 at its upper end to rotate; the tooth groove of the first gear 34 cooperates with the shaft column 122 on the ring gear, thereby driving the ring gear to rotate.
[0017] The side wall of the shaft column 122 is provided with a broken line notch 1221, so that the shaft column 122 has elasticity. In this design, the upper and lower sides of the annular groove 121 are respectively provided with shaft holes, and the two ends of the shaft column 122 are tightly installed in the shaft holes.
[0018] The rotary drive device 31 includes a first motor 311 and a first reducer 312; the power output end of the first motor 311 is connected to the first reducer 312; the power output end of the first reducer 312 is connected to the lower end of the telescopic universal coupling 32, wherein the first motor 311 is fixed to the frame of the grinder.
[0019] The lifting mechanism 2 includes a second motor 21, a second speed reducer 22, a synchronous belt 23, a tensioner 24 and three lifting components 25; the three lifting components 25 are arranged in a triangular distribution, including a sleeve 251, a screw rod 252, a push rod 253 and a second gear 254; the screw rod 252 is rotatably connected to the sleeve 251 and the lower end extends out of the sleeve 251 and is fixedly connected to the second gear 254; the push rod 253 is slidably connected to the upper part of the sleeve 251; the lower end of the push rod 253 is connected to the screw rod 252 through a threaded hole; the upper end of the push rod 253 is fixedly connected to the mounting shell 11; the synchronous belt 23 is transmitted The second motor 21 is connected to the second gear 254 of the three lifting assemblies 25 and is tightened by the tensioner 24; the power output end of the second motor 21 is connected to the second reducer 22; the power output end of the second reducer 22 is connected to the second gear 254 of one of the lifting assemblies 25, wherein the second motor 21, the sleeve 251 and the tensioner 24 are all installed on the frame of the grinder, the second motor 21 drives one of the lifting assemblies 25 to rise and fall through the second reducer 22, and the lifting assembly 25 drives the other two lifting assemblies 25 to work synchronously through the second gear 254 and the synchronous belt 23 to control the lifting and falling of the ring gear assembly 1.
[0020] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A grinding machine gear ring lifting and rotating mechanism, comprising a gear ring assembly, a lifting mechanism and a rotating mechanism; the lifting mechanism and the rotating mechanism are respectively mounted on the frame of the grinding machine and the power output end is connected to the gear ring assembly; characterized in that: The gear ring assembly includes a mounting shell and an inner gear ring rotatably connected to the mounting shell; an annular groove is provided on the outer wall of the inner gear ring; a plurality of shaft columns are evenly distributed in a circumference in the annular groove; the lifting mechanism is arranged below the gear ring assembly and the power output end is connected to the mounting shell, so as to drive the mounting shell to move up and down; the rotating mechanism is arranged on one side of the gear ring assembly, and includes a rotating drive device, a telescopic universal coupling, an outer cover and a first gear; the outer cover is fixed to one side of the mounting shell; the power output end of the rotating drive device is connected to the lower end of the telescopic universal coupling; the upper part of the telescopic universal coupling is rotatably connected in the outer cover; the first gear is fixed to the upper end of the universal shaft coupling and is transmission-connected to the shaft column.
2. A grinding machine gear ring lifting and rotating mechanism according to claim 1, characterized in that: The side wall of the shaft column is provided with a broken line notch.
3. The grinding machine gear ring lifting and rotating mechanism according to claim 1, characterized in that: The rotary drive device comprises a first motor and a first reducer; the power output end of the first motor is connected to the first reducer; the power output end of the first reducer is connected to the lower end of the telescopic universal coupling.
4. The grinding machine gear ring lifting and rotating mechanism according to claim 1, characterized in that: The lifting mechanism includes a second motor, a second reducer, a synchronous belt, a tensioner and three groups of lifting components; the three groups of lifting components are arranged in a triangular distribution, including a sleeve, a screw rod, a push rod and a second gear; the screw rod is rotatably connected in the sleeve and the lower end extends out of the sleeve and is fixedly connected to the second gear; the push rod is slidably connected to the upper part of the sleeve; the lower end of the push rod is connected to the screw rod through a threaded hole; the upper end of the push rod is fixedly connected to the mounting shell; the synchronous belt transmission is connected between the second gears of the three groups of lifting components and is tightened by the tensioner; the power output end of the second motor is connected to the second reducer; the power output end of the second reducer is connected to the second gear of one group of lifting components.