Horizontal wood working industry planetary direct-drive permanent magnet speed reduction motor
Patent Information
- Application Number
- CN202522566249.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-03
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-12-03
AI Technical Summary
Existing geared motors suffer from problems such as stress concentration in the structure, low transmission efficiency, large size, small torque, and low electromagnetic conversion efficiency.
The horizontal woodworking industry planetary direct-drive permanent magnet geared motor is adopted, which includes a horizontal gearbox, output shaft, planetary transmission assembly and permanent magnet motor. It utilizes the "brother" shaped gearbox housing and horizontal base design, combined with planetary transmission assembly and first-class energy-efficient permanent magnet synchronous motor to achieve high-efficiency transmission and energy saving.
It improves transmission and motor efficiency, reduces motor size, lowers power consumption costs, has a compact and reliable structure, and is easy to disassemble and maintain.
Smart Images

Figure CN224935504U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of geared motors, in particular to a horizontal planetary direct-coupled permanent magnet geared motor for the woodworking industry. Background Art
[0002] A geared motor is an energy conversion mechanism that converts mechanical energy of high rotational speed and low torque into mechanical energy of low rotational speed and high torque, which utilizes the characteristics of gear transmission to achieve the desired mechanical energy by setting a speed ratio.
[0003] Conventional geared motors have several pain points in use: first, the stress concentration on the fixed structure of the gear reducer; second, low transmission efficiency (such as the sliding transmission of worm gears); third, the single helical gear transmission, in which only one line is stressed at each instant, leading to low utilization rate of the gear structure; fourth, the sun gear is additionally equipped with a bearing for transmission, resulting in an overly large overall volume and low overall structure utilization rate; fifth, the motor has low efficiency, generally failing to reach the third-level energy efficiency, with high power consumption. Therefore, it is necessary to improve the current geared motors. Summary of the Invention
[0004] In view of this, aiming at the deficiencies existing in the prior art, the main purpose of the utility model is to provide a horizontal planetary direct-coupled permanent magnet geared motor for the woodworking industry, which can effectively solve the problems of the existing geared motors such as concentrated structural stress, low transmission efficiency, large volume, small torque, and low motor electromagnetic conversion efficiency.
[0005] To achieve the above purpose, the utility model adopts the following technical solution: A horizontal planetary direct-coupled permanent magnet geared motor for the woodworking industry includes a horizontal gear reducer housing, an output shaft, a planetary transmission assembly and a permanent magnet motor; The horizontal gear reducer housing includes a reducer box body and a reducer flange; the reducer box body is shaped like a Chinese character "xiong", a shaft hole is opened on the front side of the reducer box body, and two horizontal bottom feet are arranged at the bottom of the reducer box body; the reducer flange is fixed to the rear side of the reducer box body and encloses with the reducer box body to form an installation cavity, and the shaft hole is communicated with the installation cavity; The output shaft is rotatably installed in the shaft hole, and the outer end of the output shaft extends forward out of the reducer box body; The planetary transmission assembly is arranged in the installation cavity, the planetary transmission assembly includes a gear ring, a planet carrier, a sun gear and a plurality of planet gears, the gear ring is fixed in the installation cavity, the planet carrier is rotatably arranged in the installation cavity, the sun gear and the plurality of planet gears are both arranged in the installation cavity, the plurality of planet gears are rotatably arranged on the planet carrier, the plurality of planet gears are all meshed and connected between the sun gear and the gear ring, and the inner end of the output shaft is fixedly connected with the planet carrier; The permanent magnet motor is fixed to the rear side of the reducer flange, and the rotor shaft of the permanent magnet motor is connected with the sun gear.
[0006] As a preferred improvement of this utility model, the two horizontal feet extend integrally from the gearbox housing. Both horizontal feet are high-support horizontal feet, and the two horizontal feet are symmetrically arranged on the left and right sides of the bottom of the gearbox housing. Each horizontal foot extends forward and backward.
[0007] As a preferred improvement of this utility model, a lifting ring is provided on the top of the gearbox housing.
[0008] As a preferred improvement of this utility model, the gearbox flange is fixedly connected to the gearbox body by a plurality of first bolts.
[0009] As a preferred improvement of this utility model, the permanent magnet motor is a first-class energy-efficient permanent magnet synchronous motor.
[0010] As a preferred improvement of this utility model, the planetary gears are three arranged in a circumference at equal angles.
[0011] As a preferred improvement of this utility model, the gear ring is fixedly connected to the inner side of the gearbox housing by a plurality of second bolts.
[0012] As a preferred improvement of this utility model, the gear rings are two arranged in the front and rear, and correspondingly, the planetary gears are two sets arranged in the front and rear, with each set of planetary gears consisting of multiple planetary gears.
[0013] As a preferred improvement of this utility model, the permanent magnet motor includes a motor flange and a motor body. The motor flange is fixedly connected to the gearbox flange by a plurality of second bolts, and the motor body is fixedly connected to the rear side of the motor flange by a plurality of third bolts.
[0014] As a preferred improvement of this utility model, the rotor shaft of the permanent magnet motor is integrally formed with the sun gear through an interference fit.
[0015] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution: By adopting a "brother"-shaped gearbox housing with two horizontal feet at the bottom, this product boasts stable and reliable assembly, facilitates user mounting, minimizes stress concentration, and extends service life. The planetary transmission assembly provides high transmission efficiency, with three lines of force applied instantaneously, maximizing gear structure utilization. Both the horizontal gearbox and permanent magnet motor feature independent flanges for easy disassembly and maintenance. The sun gear directly presses against the rotor shaft head, further enhancing overall structural efficiency. The permanent magnet motor is a Class 1 energy-efficient model, offering high energy savings. This product features a compact and reliable structure, high transmission efficiency, and high electrical-to-mechanical energy conversion efficiency. Its small size and minimal material usage contribute to safer and more reliable operation. It significantly reduces the size of the geared motor while improving transmission and motor efficiency, saving installation space and reducing power costs for the user. Attached Figure Description
[0016] Figure 1 This is an exploded view of a preferred embodiment of the present invention; Figure 2 This is an exploded view from another angle of a preferred embodiment of the present invention; Figure 3 This is an exploded view from another angle of a preferred embodiment of the present invention.
[0017] Explanation of reference numerals in the attached diagram: 10. Horizontal gearbox 11. Gearbox housing 111. Horizontal base; 12. Gearbox flange 13. First bolt 14. Lifting eye 101, Shaft hole; 102, Mounting cavity 103, Fixing hole 20, Output shaft 21. Oil seal; 30. Planetary transmission assembly 31. Gear ring; 32. Planetary carrier 33. Sun Wheel 34. Planetary Wheel 35. Second bolt; 40. Permanent magnet motor 41. Rotor shaft 42. Motor flange 43. Motor body 44. Second bolt Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0020] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0021] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0022] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0023] Please refer to Figures 1 to 3 As shown, it illustrates the specific structure of a preferred embodiment of the present invention, including a horizontal gearbox 10, an output shaft 20, a planetary transmission assembly 30, and a permanent magnet motor 40.
[0024] The horizontal gearbox 10 includes a gearbox body 11 and a gearbox flange 12. The gearbox body 11 is U-shaped, with a shaft hole 101 on the front side and two horizontal feet 111 at the bottom, ensuring stable and reliable assembly, minimal stress concentration, and long service life. The gearbox flange 12 is fixed to the rear side of the gearbox body 11 and forms a mounting cavity 102 with the gearbox body 11, with the shaft hole 101 communicating with the mounting cavity 102. In this embodiment, the two horizontal feet 111 extend integrally from the gearbox body 11, both being high-support horizontal feet. The two horizontal feet 111 are symmetrically arranged on the left and right sides of the bottom of the gearbox body 11, with each horizontal foot 111 extending forward and backward. Multiple fixing holes 103 are formed through the upper and lower surfaces of each horizontal foot 111. The gearbox flange 12 is fixedly connected to the gearbox housing 11 by a plurality of first bolts 13. Furthermore, a lifting ring 14 is provided on the top of the gearbox housing 11 for easy hoisting.
[0025] The output shaft 20 is rotatably mounted in the shaft hole 101, and the outer end of the output shaft 20 extends forward out of the gearbox housing 11. In this embodiment, an oil seal 21 is sleeved on the output shaft 20, and the oil seal 21 is sandwiched between the output shaft 20 and the gearbox housing 11.
[0026] The planetary transmission assembly 30 is disposed in the mounting cavity 102. The planetary transmission assembly 30 includes a ring gear 31, a planet carrier 32, a sun gear 33, and multiple planet gears 34. The ring gear 31 is fixed in the mounting cavity 102. The planet carrier 32 is rotatably disposed in the mounting cavity 102. The sun gear 33 and the multiple planet gears 34 are all disposed within the mounting cavity 102. The multiple planet gears 34 are rotatably disposed on the planet carrier 32 and are meshed between the sun gear 33 and the ring gear 31. The inner end of the output shaft 20 is fixedly connected to the planet carrier 32. In this embodiment, the ring gear 31 is fixedly connected to the inner side of the gearbox housing 11 by multiple second bolts 35. There are three planet gears 34 arranged in a circumferential arrangement at equal angles. Furthermore, there are two ring gears 31 arranged front to back, and correspondingly, there are two sets of planet gears 34 arranged front to back, each set consisting of multiple planet gears 34. Furthermore, the inner end of the output shaft 20 is integrally connected to the planetary carrier 32.
[0027] The permanent magnet motor 40 is fixed to the rear side of the gearbox flange 12, and the rotor shaft 41 of the permanent magnet motor 40 is connected to the sun gear 33. In this embodiment, the permanent magnet motor 40 is a Class 1 energy-efficient permanent magnet synchronous motor, which is energy-saving and highly efficient. Specifically, the permanent magnet motor 40 includes a motor flange 42 and a motor body 43. The motor flange 42 is fixedly connected to the gearbox flange 12 by multiple second bolts 44, and the motor body 43 is fixedly connected to the rear side of the motor flange 42 by multiple third bolts (not shown in the figure), which facilitates disassembly, assembly / maintenance. Furthermore, the rotor shaft 41 and the sun gear 33 of the permanent magnet motor 40 are interference-fitted as one unit, resulting in a compact and reasonable structure with excellent transmission / braking performance.
[0028] The working principle of this embodiment is described in detail below: When the permanent magnet motor 40 is powered on, it drives the planetary transmission assembly 30 to rotate through the rotor shaft 41. Then, the planetary transmission assembly 30 drives the output shaft 20 to rotate.
[0029] The key design features of this invention are: The use of a "brother"-shaped gearbox housing with two horizontal feet at the bottom ensures stable and reliable assembly, facilitates user mounting, reduces stress concentration, and extends service life. The planetary transmission assembly provides high transmission efficiency, with three lines of force applied instantaneously, maximizing gear structure utilization. Both the horizontal gearbox and permanent magnet motor have independent flanges for easy disassembly and maintenance. The sun gear directly presses against the rotor shaft head, further enhancing overall structural efficiency. The permanent magnet motor is a Class 1 energy-efficient model, offering high energy savings. This product boasts a compact and reliable overall structure, high transmission efficiency, and high electrical-to-mechanical energy conversion efficiency. Its small size and minimal material usage contribute to safer and more reliable operation. It significantly reduces the size of the geared motor while improving transmission and motor efficiency, saving installation space and electricity costs for the user.
[0030] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without any inventive effort, and these embodiments will all fall within the scope of protection of this utility model.
Claims
1. A horizontal planetary direct-drive permanent magnet geared motor for the woodworking industry, characterized in that: comprising a horizontal reduction gearbox, an output shaft, a planetary transmission assembly and a permanent magnet motor; The horizontal reduction gearbox includes a reduction gearbox body and a reduction gearbox flange; the reduction gearbox body is shaped like the Chinese character "xiong", a shaft hole is opened on the front side of the reduction gearbox body, and two horizontal feet are arranged at the bottom of the reduction gearbox body; the reduction gearbox flange is fixed to the rear side of the reduction gearbox body and encloses with the reduction gearbox body to form an installation cavity, and the shaft hole is communicated with the installation cavity; The output shaft is rotatably installed in the shaft hole, and the outer end of the output shaft extends forward out of the reduction gearbox body; The planetary transmission assembly is arranged in the installation cavity, the planetary transmission assembly includes a gear ring, a planet carrier, a sun gear and a plurality of planet gears, the gear ring is fixed in the installation cavity, the planet carrier is rotatably arranged in the installation cavity, the sun gear and the plurality of planet gears are both arranged in the installation cavity, the plurality of planet gears are rotatably arranged on the planet carrier, the plurality of planet gears are all meshingly connected between the sun gear and the gear ring, and the inner end of the output shaft is fixedly connected with the planet carrier; The permanent magnet motor is fixed to the rear side of the reduction gearbox flange, and the rotor shaft of the permanent magnet motor is connected with the sun gear.
2. The horizontal planetary direct-drive permanent magnet geared motor for woodworking as described in claim 1, characterized in that: The two horizontal feet extend integrally from the reduction gearbox body, both of the two horizontal feet are high-support horizontal feet, the two horizontal feet are symmetrically arranged on the left and right sides of the bottom of the reduction gearbox body, and each horizontal foot extends forward and backward.
3. A horizontal planetary direct-drive permanent magnet geared motor for the woodworking industry as described in claim 1, characterized in that: A lifting ring is arranged on the top of the reduction gearbox body.
4. A horizontal planetary direct-drive permanent magnet geared motor for the woodworking industry as described in claim 1, characterized in that: The reduction gearbox flange is fixedly connected with the reduction gearbox body through a plurality of first bolts.
5. A horizontal planetary direct-drive permanent magnet geared motor for the woodworking industry as described in claim 1, characterized in that: The permanent magnet motor is a permanent magnet synchronous motor with first-class energy efficiency.
6. A horizontal planetary direct-drive permanent magnet geared motor for the woodworking industry as described in claim 1, characterized in that: The number of the planet gears is three arranged circumferentially at equal angles.
7. A horizontal planetary direct-drive permanent magnet geared motor for the woodworking industry as described in claim 1, characterized in that: The gear ring is fixedly connected with the inner side of the reduction gearbox body through a plurality of second bolts.
8. A horizontal planetary direct-drive permanent magnet geared motor for the woodworking industry as described in claim 1, characterized in that: There are two gear rings arranged in front and rear, correspondingly, the planet gears are two groups arranged in front and rear, and each group of planet gears is composed of a plurality of planet gears.
9. A horizontal planetary direct-drive permanent magnet geared motor for the woodworking industry as described in claim 1, characterized in that: The permanent magnet motor includes a motor flange and a motor main body, the motor flange is fixedly connected with the reduction gearbox flange through a plurality of second bolts, and the motor main body is fixedly connected with the rear side of the motor flange through a plurality of third bolts.
10. A horizontal planetary direct-drive permanent magnet geared motor for woodworking as described in claim 1, characterized in that: The rotor shaft of the permanent magnet motor and the sun gear are integrally formed by interference fit.
