Lathe for machining planetary reducer
Through the linkage of the motor-driven active worm and the fan-shaped worm gear and the lifting and lowering of the scraper driven by the hydraulic cylinder, the problem of inconvenient tool replacement in planetary reduction machine processing is solved, and the production efficiency and processing accuracy are improved.
Patent Information
- Application Number
- CN202422546302.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-22
AI Technical Summary
In the planetary reduction machine processing, the tool is fixed by welding, which causes inconvenient tool replacement, increases lathe downtime and reduces working efficiency.
The motor drive active worm and fan-shaped worm gear are used to drive the movement of fixed columns, sliders and arc plates to realize the rapid disassembly and replacement of the scraper. The lifting and lowering of the hydraulic cylinder drive scraper and the linkage of the motor drive turntable and rotating rod are used to clamp and fix the inner tooth ring workpiece.
It realizes rapid replacement of scrapers, reduces machine tool downtime, improves production efficiency, and ensures the stability and accuracy of the inner tooth ring workpiece during processing.
Smart Images

Figure CN223235074U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lathe processing, in particular to a lathe for processing planetary reducers. Background Art
[0002] A lathe is a machine tool mainly used for rotary cutting processing. It drives the workpiece to rotate through the spindle, and at the same time the tool moves in a straight line or curve along the guide rail to achieve cutting processing on the workpiece. Lathes occupy an important position in metal cutting machine tools and are widely used in various manufacturing fields.
[0003] In the field of planetary reducer manufacturing, the internal gear ring is a key transmission component, and its processing accuracy and efficiency directly affect the overall performance of the reducer. However, a common problem in the existing technology is that the tools used in most lathes are fixed to the tool holder by welding. This fixing method brings great inconvenience to the removal and replacement of the tool after the tool is damaged or worn. At the same time, tool replacement increases the downtime of the lathe and reduces work efficiency.
[0004] In view of this, this application is hereby filed. Utility Model Content
[0005] The purpose of the utility model is to provide a lathe for processing a planetary reducer to solve the problems raised in the above background technology.
[0006] The worm gear of the embodiment of the present invention is fixedly mounted on a drive link of the gear train and is engaged with the drive link of the gear train, and the worm gear is engaged with the drive link of the gear train, and the worm gear is engaged with the drive link of the gear train.
[0007] Furthermore, a hydraulic cylinder is fixedly connected to one end of the inner wall of the top of the shell at the center in the length direction, a hydraulic rod is sleeved at the center of the bottom of the hydraulic cylinder, and a mounting box is fixedly connected to the bottom of the hydraulic rod. The inner arc walls of the three arc-shaped plates are abutted against the same scraper.
[0008] Furthermore, an oil storage tank is fixedly connected to one end of the top inner wall of the outer shell near the hydraulic cylinder, the hydraulic cylinder and the oil storage tank are located in the same horizontal plane, an oil drain pipe is sleeved at the bottom center of the oil storage tank, a control valve is rotatably connected to the top of the outer wall of the oil drain pipe, and the outlet of the oil drain pipe is set toward the bottom end of the scraper.
[0009] Furthermore, a storage channel 1 is provided on the inner wall at the bottom of the shell, and a storage box is provided at the center of the storage channel 1. A motor 1 is fixedly connected to the center of the inner wall at the bottom of the storage box, a turntable is fixedly connected to the output end of the motor 1, and four rotating rods 1 distributed in a circular array are rotatably connected to the top of the top edge of the turntable. The tops of the four rotating rods 1 at one end away from the turntable are rotatably connected to rotating rods 2, and the tops of the four rotating rods 2 at one end away from the turntable are fixedly connected to limiting columns. Four sliding channels 3 distributed in a circular array are vertically penetrated on the top of the storage box, and the four limiting columns are slidably connected to the inside of the four sliding channels 3 respectively.
[0010] Furthermore, a vertical notch is formed on the top of each of the four limiting columns, and the notch is arranged toward the center of the storage box.
[0011] Furthermore, a second motor is fixedly connected to the bottom center of the storage box, the second motor is fixedly connected to the bottom inner wall of the first storage channel, and the storage box is rotatably connected to the inside of the first storage channel.
[0012] Furthermore, the inner arc walls of the three arc-shaped plates are all paved with anti-slip textures.
[0013] Furthermore, a second storage channel is provided through the bottom of the inner wall of the shell, one end of the second storage channel passing through the outer wall is fixedly connected to the oil outlet pipe, and the top of the shell is rotatably connected to a rotating plate at one end close to the hydraulic cylinder.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] 1. The three motors drive the active worm, the fan-shaped worm wheel and the disc to drive the fixed column, the slider and the arc plate to move, so that the three arc plates clamp the scraper, which is convenient for the quick disassembly and replacement of the scraper, avoids the difficulty of tool replacement, reduces the machine tool downtime caused by tool replacement, makes the production process smoother, and improves the overall production efficiency.
[0016] 2. By driving the turntable and the linkage of the rotating rods 1 and 2 by the motor 1, the sliding of the limit column in the sliding channel 3 is realized, which is convenient for clamping and fixing the internal gear ring workpiece to be processed, ensuring that the internal gear ring workpiece maintains a stable position and posture during the processing, thereby effectively controlling key dimensional parameters such as coaxiality or verticality and improving processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of a tool clamping mechanism for a lathe used for processing planetary reducers;
[0018] Figure 2 for Figure 1 Schematic diagram of the internal structure at A in the middle;
[0019] Figure 3 This is a schematic diagram of the internal structure of a lathe for processing planetary reducers;
[0020] Figure 4 for Figure 3 Schematic diagram of the internal structure at B in the middle;
[0021] Figure 5 This is a schematic diagram of the external structure of a lathe for processing planetary reducers.
[0022] In the figure: 10, housing; 11, oil outlet pipe; 12, rotating plate; 20, hydraulic cylinder; 21, hydraulic rod; 22, mounting box; 23, scraper; 30, oil storage tank; 31, oil drain pipe; 32, control valve; 40, storage box; 41, motor 1; 42, turntable; 43, rotating rod 1; 44, rotating rod 2; 45, limiting column; 46, motor 2; 50, fan-shaped worm gear; 51, driving worm; 52, motor 3; 53, disc; 54, fixing column; 55, slider; 56, curved plate. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figure 1-5The utility model provides a technical solution: comprising a housing 10 and an installation box 22, wherein the inner wall of the bottom of the installation box 22 is rotatably connected to a fan-shaped worm gear 50, one side of the fan-shaped worm gear 50 is meshed with an active worm 51, one end of the active worm 51 is fixedly connected to a motor 3 52, the motor 3 52 is fixedly connected to the inner arc wall of the installation box 22, the other end of the active worm 51 is rotatably connected to the inner arc wall of the installation box 22, and a side wall of the fan-shaped worm gear 50 away from the inner wall of the bottom of the installation box 22 is fixedly connected to a disc 53, the disc 53 Three sliding channels 1 distributed in a circular array are provided at the bottom, and fixed columns 54 are slidably connected inside the three sliding channels 1. Slide blocks 55 are fixedly connected to the bottoms of the three fixed columns 54, and arc plates 56 are fixedly connected to the bottoms of the three sliders 55 that are close to each other. Three sliding channels 2 distributed in a circular array are provided through the bottom of the installation box 22, and the two side walls of the three sliders 55 that are close to each other are fixedly connected to limit blocks, and the three sliders 55 are slidably connected to the inner walls of the three sliding channels 2 respectively.
[0025] It should be noted that: the two opposite side walls of the sliding channel 2 are provided with limiting channels, and the limiting blocks are slidably connected to the inside of the limiting channels to prevent the fixing column 54, the slider 55 and the arc plate 56 from escaping from the inside of the installation box 22 when inverted.
[0026] See also Figure 1-5 The utility model provides a technical solution: a hydraulic cylinder 20 is fixedly connected to one end of the inner wall of the top of the shell 10 at the center in the longitudinal direction, a hydraulic rod 21 is sleeved at the center of the bottom of the hydraulic cylinder 20, and a mounting box 22 is fixedly connected to the bottom of the hydraulic rod 21. The inner arc walls of the three arc-shaped plates 56 abut against the same scraper 23, and an oil storage tank 30 is fixedly connected to one end of the inner wall of the top of the shell 10 close to the hydraulic cylinder 20. The hydraulic cylinder 20 and the oil storage tank 30 are located in the same horizontal plane. An oil drain pipe 31 is sleeved at the center of the bottom of the oil storage tank 30, and a control valve 32 is rotatably connected to the top of the outer wall of the oil drain pipe 31. The outlet of the oil drain pipe 31 is set toward the bottom end of the scraper 23.
[0027] See also Figure 1-5 The utility model provides a technical solution: the bottom inner wall of the shell 10 is provided with a storage channel 1, and a storage box 40 is provided at the center of the storage channel 1. A motor 1 41 is fixedly connected to the center of the bottom inner wall of the storage box 40, and a turntable 42 is fixedly connected to the output end of the motor 1 41. Four rotating rods 1 43 distributed in a ring array are rotatably connected to the top of the top edge of the turntable 42. The tops of the four rotating rods 1 43 at one end away from the turntable 42 are rotatably connected to rotating rods 2 44. The tops of the four rotating rods 2 44 at one end away from the turntable 42 are fixedly connected to limiting columns 45. Four sliding channels 3 distributed in a ring array are vertically penetrated at the top of the storage box 40. The four limiting columns 45 are slidably connected to the inside of the four sliding channels 3 respectively.
[0028] It should be noted that the scraper 23 is located at the top edge of the storage box 40 to facilitate the scraper 23 to cut the workpiece.
[0029] See also Figure 1-5 The present invention provides a technical solution: the tops of the four limit columns 45 are each provided with a vertical notch, the notch being arranged toward the center of the storage box 40, the bottom center of the storage box 40 is fixedly connected to a second motor 46, the second motor 46 is fixedly connected to the bottom inner wall of the storage channel 1, the storage box 40 is rotatably connected to the inside of the storage channel 1, the inner arc walls of the three arc-shaped plates 56 are all paved with anti-slip grooves, the bottom of the inner side wall of the shell 10 is provided with a penetrating storage channel 2, one end of the storage channel 2 penetrating the outer wall is fixedly connected to the oil outlet pipe 11, and the top end of the shell 10 near the hydraulic cylinder 20 is rotatably connected to the rotating plate 12.
[0030] It should be noted that the oil outlet pipe 11 is inclined at a certain angle to the outer wall of the housing 10 to facilitate the discharge of the lubricating oil.
[0031] Working principle:
[0032] Start motor three 52, motor three 52 drives the active worm 51 to rotate, the active worm 51 drives the fan-shaped worm gear 50 to rotate, the fan-shaped worm gear 50 drives the disc 53 to rotate, the disc 53 drives the three fixed columns 54 to slide inside the three sliding channels 1, the three fixed columns 54 drive the three sliders 55 to slide inside the sliding channel 2, and the three sliders 55 clamp and fix the scraper 23, so as to facilitate the quick disassembly and replacement of the scraper 23.
[0033] Start motor 1 41, which drives the turntable 42 to rotate. The turntable 42 drives the four rotating rods 1 43 to rotate. The four rotating rods 1 43 drive the four rotating rods 2 44 to rotate. The four rotating rods 2 44 drive the four limiting columns 45 to slide inside the four sliding channels 3 to clamp and fix the inner gear ring workpiece, ensuring that the inner gear ring workpiece maintains a stable position during the processing.
[0034] Start the hydraulic cylinder 20, which drives the hydraulic rod 21 to move downward, which drives the installation box 22 to move downward, which drives the scraper 23 to move downward, and the scraper 23 cuts the workpiece. At the same time, the control valve 32 is opened, and the lubricating oil inside the oil storage tank 30 flows to the cutting area through the oil drain pipe 31 to lubricate it.
[0035] The second motor 46 is started, and the second motor 46 drives the storage box 40 to rotate, and the storage box 40 drives the clamped internal gear ring workpiece to rotate, and the internal tooth profile of the internal gear ring workpiece is gradually cut.
Claims
1. A lathe for processing a planetary reducer, comprising a housing (10) and a mounting box (22), characterized in that: The inner wall of the bottom of the installation box (22) is rotatably connected to a fan-shaped worm wheel (50), one side of the fan-shaped worm wheel (50) is meshed with an active worm (51), one end of the active worm (51) is fixedly connected to a motor three (52), the motor three (52) is fixedly connected to the inner arc wall of the installation box (22), the other end of the active worm (51) is rotatably connected to the inner arc wall of the installation box (22), and a side wall of the fan-shaped worm wheel (50) away from the inner wall of the bottom of the installation box (22) is fixedly connected to a disk (53), and the bottom of the disk (53) is provided with three The sliding channel 1 is distributed in a circular array, and the interiors of the three sliding channels 1 are all slidably connected to fixed columns (54), the bottoms of the three fixed columns (54) are all fixedly connected to sliders (55), and the bottoms of the three sliders (55) close to each other are all fixedly connected to arc plates (56), and the bottom of the installation box (22) is provided with three sliding channels 2 distributed in a circular array, and the two side walls of the three sliders (55) close to each other are fixedly connected to limited blocks, and the three sliders (55) are respectively slidably connected to the inner walls of the three sliding channels 2.
2. A planetary reducer machining lathe according to claim 1, characterized in that: A hydraulic cylinder (20) is fixedly connected to one end of the center of the top inner wall of the housing (10) along the longitudinal direction, a hydraulic rod (21) is sleeved at the center of the bottom of the hydraulic cylinder (20), and a mounting box (22) is fixedly connected to the bottom of the hydraulic rod (21). The inner arc walls of the three arc-shaped plates (56) are abutted against a common scraper (23).
3. A planetary reducer machining lathe according to claim 1, characterized in that: An oil storage tank (30) is fixedly connected to one end of the top inner wall of the housing (10) near the hydraulic cylinder (20), and the hydraulic cylinder (20) and the oil storage tank (30) are located in the same horizontal plane. An oil drain pipe (31) is sleeved at the bottom center of the oil storage tank (30), and a control valve (32) is rotatably connected to the top of the outer wall of the oil drain pipe (31). The outlet of the oil drain pipe (31) is arranged toward the bottom end of the scraper (23).
4. A planetary reducer machining lathe according to claim 1, characterized in that: The bottom inner wall of the shell (10) is provided with a storage channel 1, and a storage box (40) is provided at the center of the storage channel 1. A motor 1 (41) is fixedly connected to the center of the bottom inner wall of the storage box (40), and the output end of the motor 1 (41) is fixedly connected to a turntable (42). Four rotating rods 1 (43) distributed in a circular array are rotatably connected at the top edge of the turntable (42). The tops of the four rotating rods 1 (43) away from the turntable (42) are all rotatably connected to rotating rods 2 (44). The tops of the four rotating rods 2 (44) away from the turntable (42) are all fixedly connected to limiting columns (45). Four sliding channels 3 vertically penetrating the top of the storage box (40) are distributed in a circular array. The four limiting columns (45) are respectively slidably connected to the inside of the four sliding channels 3.
5. A planetary reducer machining lathe according to claim 4, characterized in that: The tops of the four limiting columns (45) are each provided with a vertical notch, and the notch is arranged toward the center of the storage box (40).
6. A planetary reducer machining lathe according to claim 4, characterized in that: A second motor (46) is fixedly connected to the center of the bottom of the storage box (40), and the second motor (46) is fixedly connected to the bottom inner wall of the storage channel 1. The storage box (40) is rotatably connected to the inside of the storage channel 1.
7. A planetary reducer machining lathe according to claim 1, characterized in that: The inner arc walls of the three arc-shaped plates (56) are all paved with anti-slip patterns.
8. A planetary reducer machining lathe according to claim 1, characterized in that: A second storage channel is provided at the bottom of the inner wall of the housing (10). One end of the second storage channel that passes through the outer wall is fixedly connected to an oil outlet pipe (11). The top of the housing (10) is rotatably connected to a rotating plate (12) at one end close to the hydraulic cylinder (20).