Servo motor module capable of optical high-precision adjustment

Abstract

The invention relates to the technical field of servo motor modules, in particular to a servo motor module capable of optical high-precision adjusting.The servo motor module comprises a servo motor, a speed reduction assembly, an output assembly, a mounting assembly and a magnetic coding disc, an output shaft of the servo motor is fixedly connected with the bottom end of the speed reduction assembly, and the outer wall of the speed reduction assembly is in meshed connection with the outer wall of the output assembly; the top of the output assembly is fixedly connected with the bottom end of the installation assembly, the inner wall of the installation assembly is connected with the outer wall of the speed reduction assembly in a clamped mode, an output gear drives a detection rod to rotate, the detection rod drives a magnet block to conduct transmission below a magnetic coding disc, and therefore a magnetic detection module receives pulses to detect the rotating speed of a servo motor. High-precision angle information output is achieved, the precision reaches up to 4096, meanwhile, compared with a traditional contact type transmission mode, the non-contact transmission mode of the magnetic coding disc and the magnet blocks is achieved, zero abrasion is achieved, reliability is high, and the service life is long.

Description

Technical Field

[0001] The invention relates to the technical field of servo motor modules, in particular to a servo motor module which can be optically adjusted with high precision. Background Art

[0002] The working principle of the optical lens is mainly based on the optical principle, and the image is captured and formed by controlling the propagation and focusing of light. The focal length adjustment of the traditional optical lens is carried out by using a potentiometer and a motor in parallel. This will cause the appearance of the optical lens to be extremely bloated, and also increase the weight of the optical lens. At the same time, the potentiometer cannot output the angle information to the servo motor module in a timely manner with high precision, which reduces the working efficiency of the servo motor module. Summary of the invention

[0003] The purpose of the present invention is to provide a servo motor module that can be optically adjusted with high precision, so as to solve the problem that the potentiometer proposed in the above background technology cannot output the angle information to the servo motor module in a timely manner with high precision. To achieve the above purpose, the present invention provides the following technical solutions: a servo motor module that can be optically adjusted with high precision, including a servo motor, a reduction assembly, an output assembly, a mounting assembly and a magnetic encoding disk, the output shaft of the servo motor is fixedly connected to the bottom end of the reduction assembly, the outer wall of the reduction assembly is meshed with the outer wall of the output assembly, the top of the output assembly is fixedly connected to the bottom end of the mounting assembly, the inner wall of the mounting assembly is snap-connected with the outer wall of the reduction assembly, the inner wall of the mounting assembly is fixedly connected to the outer wall of the magnetic encoding disk, and a zero point switch is provided on the front of the left side of the mounting assembly, and the zero point switch is electrically connected to the servo motor.

[0004] Preferably, the deceleration assembly includes a deceleration rod, a deceleration block, a transmission rod, a transmission gear, a transmission gear ring, a deceleration gear and a deceleration bin, the bottom end of the deceleration rod is fixedly connected to the output end of the servo motor, and the outer wall of the top end of the deceleration rod is engaged with the inner wall of the deceleration block, the inner wall of the deceleration block away from the deceleration rod is rotatably connected to the outer wall of the bottom end of the transmission rod, and the outer wall of the waist of the transmission rod is fixedly connected to the inner wall of the transmission gear, the outer wall of the back of the transmission gear is meshed with the inner wall of the transmission gear ring, and the outer wall of the transmission gear ring is fixedly connected to the inner side wall of the deceleration bin, the inner bottom wall of the deceleration bin is fixedly connected to the top of the servo motor by bolts, and the outer wall of the front of the transmission gear is meshed with the outer wall of the output assembly, and the outer wall of the left side of the deceleration bin is provided with a zero point switch.

[0005] Preferably, the output assembly includes a driven gear, an output rod and an output gear, the outer wall of the driven gear is meshingly connected with the outer wall of the front side of the transmission gear, and the bottom end of the output rod passes through the top of the reduction bin and extends to the interior of the reduction bin, the outer wall of the output rod at one end inside the reduction bin is snap-connected with the inner wall of the driven gear, and the top of the output rod passes through the outer wall of the mounting assembly and extends to the interior of the mounting assembly, the outer wall of the output rod at one end inside the mounting assembly is snap-connected with the inner wall of the output gear, and the top of the output gear is fixedly connected to the bottom end of the mounting assembly.

[0006] Preferably, the mounting assembly includes a mounting sleeve, a mounting hole, a mounting cover, a bearing, a detection rod and a magnet block, the inner wall of the mounting sleeve is snap-connected with the outer wall of the reduction chamber, and a mounting hole is provided on the inner wall on the right side of the mounting sleeve, the top of the mounting sleeve is fixedly connected to the bottom of the mounting cover by bolts, and a magnetic encoding disk is fixedly mounted on the inner top wall of the mounting cover, and the inner top wall of the mounting sleeve is movably abutted against the outer wall of the output gear, a bearing is provided on the inner wall of the mounting sleeve, and the inner wall of the bearing is snap-connected with the inner wall of the detection rod, the bottom end of the detection rod is fixedly connected to the top of the output gear, and a magnet block is provided on the inner wall at the center of the top of the detection rod, and the magnet block is located directly below the magnetic encoding disk, and a zero point switch is fixedly mounted on the front of the left side of the mounting sleeve.

[0007] Compared with the prior art, the present invention has the following beneficial effects:

[0008] In the present invention, by starting the servo motor, the servo motor drives the reduction block to rotate through the reduction rod, the reduction block drives the transmission rod to make a circular motion, the transmission rod drives the transmission gear to make a circular motion, and because the outer wall of the transmission gear is meshed with the inner wall of the transmission gear ring, the transmission gear drives the transmission rod to rotate in the reduction block, the rotating transmission rod drives the reduction gear to rotate, the reduction gear drives the driven gear to rotate, the driven gear drives the output rod to rotate, the output rod drives the output gear to rotate, and the output gear can be installed on the output device through the mounting hole to allow the output gear to output power, the output gear drives the detection rod to rotate, and the detection rod drives the magnet block to transmit under the magnetic encoding disk, so that the magnetic detection module receives the pulse to detect the rotation speed of the servo motor, and realizes high-precision angle information output with an accuracy of up to 4096. At the same time, the magnetic encoding disk and the magnet block have a contactless transmission mode, which achieves zero wear, high reliability and long service life compared with the traditional contact transmission mode.

[0009] In the present invention, the magnetic encoder is placed inside the device to form an integrated design with the servo motor, and the speed of the servo motor is accurately controlled and adjusted through a zero point switch. The lightweight, miniaturized, integrated design achieves national production and independent control. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0011] Figure 2 is a cross-sectional view of the present invention;

[0012] Figure 3 A cross-sectional view of the servo motor, the reduction assembly and the output assembly of the present invention;

[0013] Figure 4 An exploded view of the output assembly and the installation assembly of the present invention;

[0014] Figure 5 is a cross-sectional view of the deceleration assembly of the present invention;

[0015] Figure 6 This is a circuit diagram of the system in the present invention.

[0016] In the figure: 1. servo motor; 2. reduction assembly; 201. reduction rod; 202. reduction block; 203. transmission rod; 204. transmission gear; 205. transmission gear ring; 206. reduction gear; 207. reduction bin; 3. output assembly; 301. driven gear; 302. output rod; 303. output gear; 4. mounting assembly; 401. mounting sleeve; 402. mounting hole; 403. mounting cover; 404. bearing; 405. detection rod; 406. magnet block; 5. magnetic encoder disk; 6. zero switch. DETAILED DESCRIPTION

[0017] 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 described embodiments 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 technical personnel in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figures 1 to 6 The present invention provides a technical solution: a servo motor module that can be optically adjusted with high precision, including a servo motor 1, a reduction assembly 2, an output assembly 3, a mounting assembly 4 and a magnetic encoding disk 5, the output shaft of the servo motor 1 is fixedly connected to the bottom end of the reduction assembly 2, the outer wall of the reduction assembly 2 is meshed with the outer wall of the output assembly 3, the top of the output assembly 3 is fixedly connected to the bottom end of the mounting assembly 4, the inner wall of the mounting assembly 4 is snap-connected with the outer wall of the reduction assembly 2, the inner wall of the mounting assembly 4 is fixedly connected to the outer wall of the magnetic encoding disk 5, and a zero point switch 6 is arranged on the front of the left side of the mounting assembly 4, and the zero point switch 6 is electrically connected to the servo motor 1.

[0019] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the reduction assembly 2 includes a reduction rod 201, a reduction block 202, a transmission rod 203, a transmission gear 204, a transmission gear ring 205, a reduction gear 206 and a reduction bin 207. The bottom end of the reduction rod 201 is fixedly connected to the output end of the servo motor 1, and the outer wall of the top end of the reduction rod 201 is engaged with the inner wall of the reduction block 202. The inner wall of the reduction block 202 on the side away from the reduction rod 201 is rotatably connected to the outer wall of the bottom end of the transmission rod 203, and the outer wall of the waist of the transmission rod 203 is fixedly connected to the inner wall of the transmission gear 204, the outer wall on the back of the transmission gear 204 is meshed with the inner wall of the transmission gear ring 205, and the outer wall of the transmission gear ring 205 is fixedly connected to the inner side wall of the reduction bin 207, the inner bottom wall of the reduction bin 207 is fixedly connected to the top of the servo motor 1 by bolts, and the outer wall on the front of the transmission gear 204 is meshed with the outer wall of the output assembly 3, and the outer wall on the left side of the reduction bin 207 is provided with a zero point switch 6.

[0020] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the output component 3 includes a driven gear 301, an output rod 302 and an output gear 303. The outer wall of the driven gear 301 is meshed with the outer wall of the front side of the transmission gear 204, and the bottom end of the output rod 302 passes through the top of the reduction bin 207 and extends to the inside of the reduction bin 207. The outer wall of the output rod 302 at one end inside the reduction bin 207 is engaged with the inner wall of the driven gear 301, and the top of the output rod 302 passes through the outer wall of the mounting component 4 and extends to the inside of the mounting component 4. The outer wall of the output rod 302 at one end inside the mounting component 4 is engaged with the inner wall of the output gear 303, and the top of the output gear 303 is fixedly connected to the bottom end of the mounting component 4.

[0021] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the mounting assembly 4 includes a mounting sleeve 401, a mounting hole 402, a mounting cover 403, a bearing 404, a detection rod 405 and a magnet block 406. The inner wall of the mounting sleeve 401 is snap-connected with the outer wall of the reduction chamber 207, and the inner wall on the right side of the mounting sleeve 401 is provided with a mounting hole 402. The top of the mounting sleeve 401 is fixedly connected to the bottom of the mounting cover 403 by bolts, and the inner top wall of the mounting cover 403 is fixedly installed with a magnetic encoder disk 5, and the mounting sleeve The inner top wall of 401 is movably abutted against the outer wall of the output gear 303, the inner wall of the mounting sleeve 401 is provided with a bearing 404, and the inner wall of the bearing 404 is engaged and connected with the inner wall of the detection rod 405, the bottom end of the detection rod 405 is fixedly connected to the top of the output gear 303, and the inner wall at the top center of the detection rod 405 is provided with a magnet block 406, and the magnet block 406 is located directly below the magnetic encoding disk 5, and a zero point switch 6 is fixedly installed on the front of the left side of the mounting sleeve 401.

[0022] The use method and advantages of the present invention: When the servo motor module capable of optical high-precision adjustment is working, the working process is as follows:

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, by starting the servo motor 1, the servo motor 1 drives the reduction block 202 to rotate through the reduction rod 201, the reduction block 202 drives the transmission rod 203 to make a circular motion, and the transmission rod 203 drives the transmission gear 204 to make a circular motion. Since the outer wall of the transmission gear 204 is meshed with the inner wall of the transmission gear ring 205, the transmission gear 204 drives the transmission rod 203 to rotate in the reduction block 202, and the rotating transmission rod 203 drives the reduction gear 206 to rotate, and the reduction gear 206 drives the driven gear 301 to rotate, and the driven gear 301 drives the output rod 302 to rotate, and the output rod 302 drives the output gear 303 to rotate, which can be installed on the output device through the mounting hole 402 to allow the output gear 303 to output power, and the output gear 303 drives the detection rod 405 to rotate, and the detection rod 405 drives the magnet block 406 to transmit under the magnetic encoding disk 5, so that the magnetic encoding disk 5 receives the pulse to detect the rotation speed of the servo motor 1, and the rotation speed of the servo motor 1 is accurately controlled and adjusted through the zero point switch 6.

[0024] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A servo motor module capable of optical high-precision adjustment, comprising a servo motor (1), a reduction assembly (2), an output assembly (3), a mounting assembly (4) and a magnetic encoder disk (5), characterized in that: The output shaft of the servo motor (1) is fixedly connected to the bottom end of the reduction assembly (2), the outer wall of the reduction assembly (2) is meshedly connected to the outer wall of the output assembly (3), the top of the output assembly (3) is fixedly connected to the bottom end of the mounting assembly (4), the inner wall of the mounting assembly (4) is snap-connected to the outer wall of the reduction assembly (2), the inner wall of the mounting assembly (4) is fixedly connected to the outer wall of the magnetic encoding disk (5), and a zero point switch (6) is provided on the front of the left side of the mounting assembly (4), and the zero point switch (6) is electrically connected to the servo motor (1).

2. The servo motor module capable of optical high-precision adjustment according to claim 1, characterized in that: The deceleration assembly (2) comprises a deceleration rod (201), a deceleration block (202), a transmission rod (203), a transmission gear (204), a transmission gear ring (205), a deceleration gear (206) and a deceleration chamber (207); the bottom end of the deceleration rod (201) is fixedly connected to the output end of the servo motor (1); the outer wall of the top end of the deceleration rod (201) is engaged with the inner wall of the deceleration block (202); the inner wall of the deceleration block (202) on the side away from the deceleration rod (201) is engaged with the transmission rod (203); The outer wall of the bottom end is rotatably connected, and the outer wall of the waist of the transmission rod (203) is fixedly connected to the inner wall of the transmission gear (204), the outer wall of the back of the transmission gear (204) is meshingly connected to the inner wall of the transmission gear ring (205), and the outer wall of the transmission gear ring (205) is fixedly connected to the inner side wall of the reduction chamber (207), the inner bottom wall of the reduction chamber (207) is fixedly connected to the top of the servo motor (1) by bolts, and the outer wall of the front of the transmission gear (204) is meshingly connected to the outer wall of the output assembly (3).

3. The servo motor module capable of optical high-precision adjustment according to claim 2, characterized in that: The output assembly (3) comprises a driven gear (301), an output rod (302) and an output gear (303); the outer wall of the driven gear (301) is meshedly connected with the outer wall of the front face of the transmission gear (204); the bottom end of the output rod (302) passes through the top of the reduction chamber (207) and extends into the interior of the reduction chamber (207); the outer wall of the output rod (302) located at one end inside the reduction chamber (207) is snap-connected with the inner wall of the driven gear (301); the top end of the output rod (302) passes through the outer wall of the mounting assembly (4) and extends into the interior of the mounting assembly (4); the outer wall of the output rod (302) located at one end inside the mounting assembly (4) is snap-connected with the inner wall of the output gear (303); and the top end of the output gear (303) is fixedly connected with the bottom end of the mounting assembly (4).

4. The servo motor module capable of optical high-precision adjustment according to claim 3, characterized in that: The mounting assembly (4) comprises a mounting sleeve (401), a mounting hole (402), a mounting cover (403), a bearing (404), a detection rod (405) and a magnet block (406); the inner wall of the mounting sleeve (401) is snap-connected with the outer wall of the deceleration chamber (207); the inner wall on the right side of the mounting sleeve (401) is provided with a mounting hole (402); the top of the mounting sleeve (401) is fixedly connected with the bottom of the mounting cover (403) by bolts; the inner top wall of the mounting cover (403) is fixedly provided with a magnetic encoder disk (5); and the mounting sleeve ( The inner top wall of the mounting sleeve (401) is movably abutted against the outer wall of the output gear (303), the inner wall of the mounting sleeve (401) is provided with a bearing (404), and the inner wall of the bearing (404) is snap-connected with the inner wall of the detection rod (405), the bottom end of the detection rod (405) is fixedly connected with the top of the output gear (303), and the inner wall at the top center of the detection rod (405) is provided with a magnet block (406), and the magnet block (406) is located directly below the magnetic encoding disk (5), and a zero point switch (6) is fixedly installed on the front of the left side of the mounting sleeve (401).

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