Motor driving device of high-precision numerical control system
By introducing a lubrication positioning component into the motor drive unit, the problem of complex and time-consuming alignment between the motor and the reducer is solved, achieving high-precision connection and uniform lubrication, thereby improving the operational stability and lifespan of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional motor drive devices involve complex and time-consuming alignment when connecting the motor and reducer, resulting in vibration, wear, and uneven lubrication, which affects processing accuracy and equipment life.
A high-precision CNC system motor drive device was designed, which adopts a lubrication positioning component, including a worm gear, worm wheel, guide plate, sealing cylinder, ball bearings, oil inlet pipe and laser alignment instrument, to achieve precise alignment and uniform lubrication between the driver and the reducer.
It improves the connection accuracy and stability of the motor drive device, ensures the uniform distribution of lubricating oil, extends equipment life, and simplifies the installation process.
Smart Images
Figure CN224043227U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor drive technical field, especially a kind of motor drive device of high-precision numerical control system. BACKGROUND
[0002] In today's manufacturing industry, high-precision numerical control systems play a crucial role in precision machining. These systems typically rely on high-performance motor drives to ensure the accuracy and efficiency of machining. However, traditional motor drives face a series of technical challenges when connecting motors and reducers, which limit the performance and reliability of the system.
[0003] In traditional motor drives, the alignment of the motor and reducer is usually a complex and time-consuming task. Inaccurate alignment can cause the transmission system to run unevenly, generate additional vibrations, and reduce machining accuracy. In high-speed operating conditions, the connection between the motor and reducer is prone to wear, leading to a decrease in sealing performance, lubricating oil leakage, and further affecting the normal operation of the equipment and the environment. Traditional lubrication systems are often inefficient and difficult to ensure uniform lubrication of critical components inside the reducer, such as worm gears and worms, which can accelerate wear and shorten equipment life.
[0004] To address the above problems, a motor drive device for high-precision numerical control systems is needed to overcome the above problems. SUMMARY
[0005] The main purpose of the utility model is to provide a motor drive device for high-precision numerical control systems, which can effectively solve the problems in the background art.
[0006] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:
[0007] A motor drive device for high-precision numerical control systems, comprising a driver and a reducer, the driver and the driving end of the reducer are provided with a lubrication positioning assembly;
[0008] The lubrication positioning assembly comprises a worm gear provided on the driving end of the driver, a worm gear is provided on the outer wall of the worm gear, a guide disc is provided on the driving end of the reducer, one end of the guide disc is provided with a sealing cylinder, the inner wall of the sealing cylinder is annularly arrayed with a plurality of rolling balls, a special-shaped frame is installed on the end of the sealing cylinder away from the guide disc through a fastening bolt, a positioning shaft is connected to the end of the special-shaped frame away from the sealing cylinder, a sealing wheel is provided on the outer wall of the positioning shaft, a plurality of lubricating rolling balls are uniformly arrayed on the inner wall of the sealing wheel, a rounded corner connecting arm is sleeved on one end of the outer wall of the positioning shaft, and an oil inlet pipe is connected to one end of the rounded corner connecting arm;
[0009] The drive shaft is provided with a first sealing disc on the outer wall thereof through fastening bolts.
[0010] As a preferred scheme of the utility model, the connecting frame is connected to the outer wall of the positioning shaft near the round corner connecting arm sleeve, and a laser alignment instrument is connected to one end of the connecting frame away from the positioning shaft.
[0011] As a preferred scheme of the utility model, the bottom of the oil inlet pipe is in contact with the outer walls of a plurality of lubricating balls through an oil lubricating plate, and the plurality of lubricating balls are connected to the inner wall of the sealing wheel.
[0012] As a preferred scheme of the utility model, the sealing wheel is detachably connected to the positioning shaft, and one end of the positioning shaft away from the sealing wheel is connected to the drive shaft at one end of the first sealing disc.
[0013] As a preferred scheme of the utility model, the connecting frame is connected to the positioning shaft through fastening bolts, and the laser alignment instrument is connected to one end of the connecting frame.
[0014] As a preferred scheme of the utility model, the worm gear is engaged with the worm, and the drive is drivingly connected to the speed reducer through the worm gear and the worm.
[0015] As a preferred scheme of the utility model, the guide disc is movably connected to the sealing cylinder, a plurality of the balls are connected to the inner wall of the sealing cylinder, and the sealing cylinder is connected to the special-shaped frame through fastening bolts.
[0016] Beneficial effects
[0017] Compared with the prior art, the utility model has the beneficial effects that:
[0018] The motor driving device of the high-precision numerical control system has the guide sealing effect on the connection between the output end of the drive and the input end of the speed reducer through the guide disc and the sealing cylinder, the special-shaped frame can improve the use stability of the sealing wheel, the oil inlet pipe can convey the lubricating oil to the sealing wheel through the oil inlet hole in the first sealing disc and the lubricating plate at the bottom of the oil inlet pipe, the plurality of lubricating balls can be rubbed against each other, the use of the worm gear, the worm, the second sealing disc, and the plurality of sealing cylinders in the sealing cylinder can be lubricated, the service life of the speed reducer is improved, the connecting frame can facilitate the installation of the laser alignment instrument on the outer wall of the positioning shaft, the laser alignment instrument can calibrate the connection between the drive and the speed reducer, the lubricating balls can improve the connection stability of the lubricating balls and the positioning shaft, and the installation is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is the overall structure schematic diagram of the utility model;
[0020] Figure 2 is the reducer internal structure schematic diagram of the utility model;
[0021] Figure 3 is the A structure schematic diagram of the utility model;
[0022] Figure 4 is the lubrication positioning assembly local installation structure schematic diagram of the utility model.
[0023] In the drawing: 1, driver; 2, reducer; 3, lubrication positioning assembly; 4, first sealing disc; 5, drive shaft; 301, worm wheel; 302, worm; 303, second sealing disc; 304, guide disc; 305, sealing cylinder; 306, ball; 307, special-shaped frame; 308, positioning shaft; 309, sealing wheel; 310, lubrication ball; 311, round corner connecting arm; 312, oil inlet pipe; 313, connecting frame; 314, laser alignment instrument. DETAILED DESCRIPTION
[0024] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0025] As Figures 1-4 shown, a motor driving device of high-precision numerical control system, including driver 1, reducer 2, driver 1 with the drive end of reducer 2 is provided with lubrication positioning assembly 3;
[0026] Lubrication positioning assembly 3 includes the worm 302 of driver 1 drive end, the outer wall of worm 302 is provided with worm wheel 301, and the guide disc 304 is provided close to the drive end of worm wheel 301, and the one end of guide disc 304 is provided with sealing cylinder 305, and the inner wall of sealing cylinder 305 is annular array distribution multiple ball 306, and the one end of sealing cylinder 305 is away from guide disc 304 and is installed with special-shaped frame 307 through fastening bolt, and the one end of special-shaped frame 307 is away from sealing cylinder 305 and is connected with positioning shaft 308, and the outer wall of positioning shaft 308 is provided with sealing wheel 309, and the inner wall of sealing wheel 309 is annular and evenly arrayed with multiple lubrication balls 310, and the one end of the outer wall of positioning shaft 308 is sleeved with round corner connecting arm 311, and the one end of round corner connecting arm 311 is connected with oil inlet pipe 312;
[0027] The output end of reducer 2 is away from driver 1 and is provided with drive shaft 5, and the outer wall of drive shaft 5 is installed with first sealing disc 4 through fastening bolt;
[0028] The outer wall of the positioning shaft 308 is sleeved with a connecting frame 313 near the rounded connecting arm 311, the end of the connecting frame 313 away from the positioning shaft 308 is clamped with a laser alignment instrument 314, the oil inlet pipe 312 is threadedly connected with the rounded connecting arm 311 through fastening bolts; the bottom of the oil inlet pipe 312 is in contact with the outer walls of a plurality of lubricating balls 310 through an oil lubricating plate, and the plurality of lubricating balls 310 are clamped in the inner wall of the sealing wheel 309; the sealing wheel 309 is detachably connected with the positioning shaft 308, the end of the positioning shaft 308 away from the sealing wheel 309 is connected with the drive shaft 5 at one end of the first sealing disc 4; the connecting frame 313 is connected with the positioning shaft 308 through fastening bolts, and the laser alignment instrument 314 is clamped at one end of the connecting frame 313; the worm wheel 301 is engaged with the worm 302, and the driver 1 is drivingly connected with the speed reducer 2 through the worm wheel 301, the worm 302 and the speed reducer 2; the guide disc 304 is movably connected with the sealing cylinder 305, a plurality of balls 306 are clamped in the inner wall of the sealing cylinder 305, and the sealing cylinder 305 is connected with the special-shaped frame 307 through fastening bolts;
[0029] The guide disc 304 is fixed on the output end of the motor driver 1, ensuring that it is aligned with the input end of the speed reducer 2, the sealing cylinder 305 is installed on the guide disc 304, and the movable connection is realized through the balls 306 to reduce friction and provide sealing effect, the oil inlet pipe 312 is connected to the rounded connecting arm 311 to ensure that the lubricating oil can flow smoothly, the oil lubricating plate at the bottom of the oil inlet pipe 312 is aligned with the oil inlet hole of the sealing wheel 309, so that the lubricating oil can be transported into the sealing wheel 309 along with the rotation of the positioning shaft 308, a plurality of lubricating balls 310 are evenly installed on the inner wall of the sealing wheel 309, which will rub against each other during rotation, and the lubricating oil is applied to the components such as the worm wheel 301, the worm 302, the second sealing disc 303 and the sealing cylinder 305, the positioning shaft 308 passes through the sealing wheel 309 and is connected with the drive shaft 5 through fastening bolts, the connecting frame 313 is sleeved on the outer wall of the positioning shaft 308 and is connected with the positioning shaft 308 through fastening bolts, the laser alignment instrument 314 is clamped at one end of the connecting frame 313, the position of the laser alignment instrument is adjusted to ensure that it can accurately align the connecting end of the driver 1 and the speed reducer 2, the connecting end of the driver 1 and the speed reducer 2 is calibrated using the laser alignment instrument 314 to ensure the alignment accuracy of the connecting end, the motor driver 1 is started, and the operation of the lubricating system is checked to ensure that the lubricating oil can be effectively transported to each lubricating point.
[0030] It needs to be explained that the utility model discloses a motor driving device of high-precision numerical control system, when using, driver 1 is engaged with worm wheel 301 of speed reducer 2 through worm 302, realizes power transmission.Worm 302 rotates, and worm wheel 301 rotates along with it, thereby reducing the rotational speed and increasing the torque, guide disc 304 is located at one side of worm wheel 301, is used to ensure that the output end of driver 1 and the input end of speed reducer 2 can be accurately aligned when being connected, sealing cylinder 305 is movably connected with guide disc 304, and the friction between sealing cylinder and guide disc is reduced by the internally annular array distribution ball 306, improves the flexibility of connection and realizes the sealing effect, oil inlet pipe 312 is connected to round corner connecting arm 311, and the lubricating oil is delivered to the inside of sealing wheel 309 through the oil lubricating plate at the bottom, a plurality of lubricating balls 310 are evenly distributed on the inner wall of sealing wheel 309, these rolling shafts are mutually rubbed in sealing wheel, and the lubricating oil is evenly distributed on worm wheel 301, worm 302, second sealing disc 303 and sealing cylinder 305 etc., realizes effective lubrication, positioning shaft 308 is connected with laser alignment instrument 314 through connecting frame 313, and laser alignment instrument 314 is used to accurately calibrate the connecting end of driver 1 and speed reducer 2, ensures quick and accurate installation, sealing wheel 309 and positioning shaft 308 are detachably connected, and the maintenance and replacement are convenient, the other end of positioning shaft 308 is connected with driving shaft 5 of speed reducer 2, is fixed through fastening bolt, and connecting frame 313 is connected with positioning shaft 308 through fastening bolt, and the stable installation of laser alignment instrument 314 is ensured.
[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above.The skilled person in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A motor driving device of a high-precision numerical control system, comprising a driver (1), a speed reducer (2), characterized in that: The driver (1) is provided with a lubricating positioning assembly (3) at the driving end of the speed reducer (2); The lubricating positioning assembly (3) comprises a worm (302) provided at the driving end of the driver (1), a worm gear (301) is arranged on the outer wall of the worm (302), a guide disc (304) is arranged on the worm gear (301) close to the driving end of the speed reducer (2), a sealing cylinder (305) is arranged at one end of the guide disc (304), a plurality of rolling balls (306) are arranged in an annular array on the inner wall of the sealing cylinder (305), a special-shaped frame (307) is installed on the end of the sealing cylinder (305) away from the guide disc (304) through a fastening bolt, a positioning shaft (308) is connected to the end of the special-shaped frame (307) away from the sealing cylinder (305), a sealing wheel (309) is arranged on the outer wall of the positioning shaft (308), a plurality of lubricating rolling balls (310) are arranged in an annular and uniform array on the inner wall of the sealing wheel (309), a round corner connecting arm (311) is sleeved on one end of the outer wall of the positioning shaft (308), and an oil inlet pipe (312) is connected to one end of the round corner connecting arm (311). The output end of the speed reducer (2) away from the driver (1) is provided with a driving shaft (5), and the outer wall of the driving shaft (5) is installed with a first sealing disc (4) through a fastening bolt.
2. The motor drive apparatus of a high-precision numerical control system according to claim 1, characterized by: The outer wall of the positioning shaft (308) is sleeved with a connecting frame (313) close to the round corner connecting arm (311), a laser alignment instrument (314) is clamped at the end of the connecting frame (313) away from the positioning shaft (308), and the oil inlet pipe (312) is threadedly connected with the round corner connecting arm (311) through a fastening bolt.
3. The motor drive apparatus of a high-precision numerical control system according to claim 1, wherein: The bottom of the oil inlet pipe (312) is in contact with the outer walls of a plurality of the lubricating rolling balls (310) through an oil lubricating plate, and a plurality of the lubricating rolling balls (310) are clamped in the inner wall of the sealing wheel (309).
4. The motor drive apparatus of a high-precision numerical control system according to claim 1, wherein: The sealing wheel (309) is detachably connected with the positioning shaft (308), and the end of the positioning shaft (308) away from the sealing wheel (309) is connected with the driving shaft (5) at one end of the first sealing disc (4).
5. The motor drive apparatus of a high-precision numerical control system according to claim 2, wherein: The connecting frame (313) is connected with the positioning shaft (308) through a fastening bolt, and the laser alignment instrument (314) is clamped at one end of the connecting frame (313).
6. The motor drive apparatus of a high-precision numerical control system according to claim 1, wherein: The worm gear (301) is engaged with the worm (302), and the driver (1) is drivingly connected with the speed reducer (2) through the worm gear (301) and the worm (302).
7. The motor drive apparatus of a high-precision numerical control system according to claim 1, wherein: The guide disc (304) is movably connected with the sealing cylinder (305), a plurality of the rolling balls (306) are clamped in the inner wall of the sealing cylinder (305), and the sealing cylinder (305) is connected with the special-shaped frame (307) through a fastening bolt.