Adjustable shock-absorbing servo motor

By introducing an external shock-absorbing mechanism, shaft micro-vibration adjustment and coupling stabilization mechanism into the servo motor, the vibration problem of the servo motor under high gain or load inertia is solved, and stable operation and pressure resistance are improved.

CN120511904BActive Publication Date: 2025-09-12JIANGSU WANTAI MOTOR CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202511010967.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-22
Publication Date
2025-09-12
Estimated Expiration
2045-07-22

AI Technical Summary

Technical Problem

Existing servo motors are prone to excessive vibration when the gain is set too high or the load inertia increases, causing damage to the motor and drive shaft.

Method used

It adopts an adjustable shock-absorbing servo motor, including an external shock-absorbing mechanism, a shaft micro-vibration adjustment mechanism, a coupling mechanism and a crankshaft stabilization mechanism. It reduces friction resistance through multi-stage output and lubricating fluid and provides dynamic balance protection.

Benefits of technology

It effectively avoids abnormal vibration of the servo motor when the load changes, improves the compressive strength of the transmission shaft and output shaft, reduces friction resistance, and ensures the stability of motor operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120511904B_ABST
    Figure CN120511904B_ABST
Patent Text Reader

Abstract

The present invention relates to the technical field of shock-absorbing servo motors, and specifically to an adjustable shock-absorbing servo motor, comprising a drive assembly, an external shock-absorbing mechanism disposed on the drive assembly, a shaft micro-vibration adjustment mechanism disposed on the external shock-absorbing mechanism, two sets of coupling mechanisms disposed within the shaft micro-vibration adjustment mechanism, and a crankshaft stabilization mechanism disposed within the two sets of coupling mechanisms; the drive assembly comprises a servo motor and an output shaft. By setting the direct output mode of the transmission shaft in a traditional servo motor to a multi-stage output mode, an external shock-absorbing mechanism is disposed on the motor body, and a shaft micro-vibration adjustment mechanism is disposed on the external shock-absorbing mechanism, as the external shock-absorbing mechanism fine-tunes the suspended section of the shaft micro-vibration adjustment mechanism, the position where the motor is installed can serve as a load-bearing body, and auxiliary supports are provided on the multi-stage output structure, thereby avoiding abnormal jittering of the servo motor when the load inertia increases or the gain increases.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of vibration-damping servo motors, in particular to an adjustable vibration-damping servo motor. Background Art

[0002] The servo motor is an engine that controls the operation of mechanical components in the servo system. It can convert voltage signals into torque and speed to drive the controlled object. Since the servo motor has a large starting torque, in order to improve its operating stability, it needs to be provided with vibration protection.

[0003] Currently, if the gain of a servo motor is set too high or the load inertia of an additional crankshaft structure increases, the drive shaft inside the motor and the added crankshaft structure will vibrate excessively. As the vibration amplitude continues to increase, it may cause damage to the servo motor in severe cases, and the drive shaft or crankshaft may also be damaged.

[0004] In view of this, an adjustable shock-absorbing servo motor is designed to solve the above problems. Summary of the Invention

[0005] The present invention aims to solve one of the technical problems existing in the prior art or related technologies.

[0006] To this end, the technical solution adopted in the present invention is:

[0007] A kind of adjustable shock-absorbing servo motor, comprises a driving assembly, an external shock-absorbing mechanism arranged on the driving assembly, a shaft micro-vibration adjustment mechanism arranged on the external shock-absorbing mechanism, two sets of coupling mechanisms arranged in the shaft micro-vibration adjustment mechanism and a crankshaft stabilization mechanism arranged in the two sets of coupling mechanisms; the driving assembly comprises a servo motor and an output shaft; the external shock-absorbing mechanism is used to provide external stabilization protection for the servo motor; the shaft micro-vibration adjustment mechanism comprises two first outer plates and two pressure-bearing shells, a plurality of beams arranged on the inner sides of the two pressure-bearing shells, an assembly groove arranged in the beams and two sets of ring buckles arranged at both ends of the plurality of beams; a plurality of evenly distributed pressure-reducing assemblies are arranged in the two sets of ring buckles, and the plurality of pressure-reducing assemblies are used to provide micro-vibration protection for the drive shaft and the output shaft in the servo motor; the two sets of coupling mechanisms are used to provide low-friction oiling for the drive shaft and the output shaft in the servo motor; the crankshaft stabilization mechanism cooperates with the two sets of coupling mechanisms to provide dynamic balance stabilization protection for centrifugal motion.

[0008] In a preferred embodiment, the present invention can be further configured as follows: the external shock absorbing mechanism includes a base mounted on the outside of the servo motor, a base provided at the bottom of the base, and two sleeves movably mounted inside the base;

[0009] A horizontal propulsion rod is provided inside the sleeve;

[0010] Two symmetrically distributed limiting members are installed at the bottom of the base, and the propulsion rod is adapted to penetrate the interior of the limiting members;

[0011] The outer end of the propulsion rod is movably provided with a bracket and a ring sleeve arranged at the other end of the bracket.

[0012] In a preferred embodiment, the present invention can be further configured as follows: the coupling mechanism includes a first shaft sleeve and a second shaft sleeve, and the walls of the first shaft sleeve and the second shaft sleeve are both provided with slots;

[0013] An oil filling tank is provided between the first sleeve and the second sleeve, and a plurality of evenly distributed combination bolts are provided in the first sleeve and the second sleeve;

[0014] An oil delivery pipe is installed at one end of the oil filling tank, and an oil discharge pipe is installed at the other end of the oil filling tank;

[0015] The oil delivery pipe and the oil discharge pipe are both provided with sealing covers.

[0016] In a preferred embodiment, the present invention can be further configured as follows: an oil storage cavity is provided inside the oil filling tank, and end pipes are symmetrically distributed in the middle of both ends of the oil filling tank;

[0017] The outer wall of the oil filling bin is provided with evenly distributed limiting grooves.

[0018] In a preferred embodiment, the present invention can be further configured as follows: the decompression assembly includes a plurality of second outer plates mounted on the inner sides of the two buckles, an inner pad disposed on the inner sides of the second outer plates, a first clamp mounted on the inner pad, an inclined plate movably mounted on the first clamp; a traction frame movably mounted on the other end of the inclined plate;

[0019] A second clamp is installed on the top of the second outer plate, and a screw is movably installed in the second clamp; the screw is adapted to be installed in the threaded groove at the outer end of the traction frame;

[0020] Two symmetrically distributed limiting rods are installed on the inner pad, and a spring is arranged outside the limiting rod, and the top end of the spring is adapted to bear pressure on the bottom of the second outer plate.

[0021] In a preferred example, the present invention may be further configured as follows: the crankshaft stabilization mechanism includes a crankshaft secondary rod, and two pads provided on the crankshaft secondary rod;

[0022] Two symmetrically distributed vanes are installed at both ends of the crankshaft auxiliary rod, and the crankshaft main rod is arranged inside the vanes;

[0023] A compression spring is arranged on the outside of the crankshaft main rod, and a nut is arranged on the threaded section at the inner end of the crankshaft main rod.

[0024] In a preferred embodiment of the present invention, the sleeve may be further configured as follows: the sleeve is composed of a sleeve, a rotating wheel, and two ring washers arranged on the sleeve, and a screw hole is opened inside the sleeve;

[0025] The threaded section of the propulsion rod is adapted to be installed in the screw hole of the sleeve.

[0026] In a preferred example, the present invention can be further configured as follows: the beam frame is composed of an elliptical pad and an extended bracket, and an assembly slot is provided inside the elliptical pad.

[0027] In a preferred example, the present invention can be further configured as follows: the port at the inner end of the first sleeve and the port at the inner end of the second sleeve are respectively connected to two end pipes at both ends of the oil filling tank to provide an extrusion channel for the lubricating liquid.

[0028] In a preferred embodiment, the present invention can be further configured as follows: the protective pad is made of a stainless steel tube material, and the end tube of the protective pad away from the crankshaft secondary rod is adapted to be clamped on the outside of the hexagonal end of the nut;

[0029] The two protective pads are used to provide position limiting constraints for the external pull rod.

[0030] By adopting the above technical solution, the beneficial effects achieved by the present invention are as follows:

[0031] 1. The present invention sets the direct output mode of the transmission shaft in the traditional servo motor to a multi-stage output mode, and uses an external shock-absorbing mechanism to be set on the motor body, and a shaft micro-vibration adjustment mechanism to be set on the external shock-absorbing mechanism. As the external shock-absorbing mechanism fine-tunes the suspended section of the shaft micro-vibration adjustment mechanism, the position where the motor is installed can serve as the load-bearing body, and auxiliary supports are set on the multi-stage output structure, thereby avoiding abnormal jitter of the servo motor when the load inertia increases or the gain increases.

[0032] 2. The present invention arranges multiple evenly distributed beams in two pressure-bearing shells. At this time, two sets of rings arranged at both ends of the multiple beams can provide a support platform for multiple sets of decompression components. When the crankshaft structure vibrates due to the increase in negative inertia, the decompression components can be adjusted with a wrench. At this time, the drive shaft and output shaft of the servo motor can be centered and straightened, thereby improving the compressive strength of the drive rod, output shaft and crankshaft structure.

[0033] 3. The present invention provides symmetrically distributed two sets of coupling mechanisms on the transmission shaft and the output shaft, and utilizes the two sets of coupling structures to provide stability protection for the crankshaft structure. As the servo motor drives the output shaft, the lubricating fluid in the coupling mechanism can penetrate the multi-stage rod body, and ultimately effectively reduce the friction resistance between the multi-stage structure in the device, thereby optimizing the dynamic balance of the multi-stage structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic diagram of the present invention in use;

[0035] Figure 2 A three-dimensional schematic diagram of the present invention;

[0036] Figure 3 is a schematic diagram of the external shock absorbing mechanism of the present invention;

[0037] Figure 4 is a schematic cross-sectional view of the sleeve of the present invention;

[0038] Figure 5 Schematic diagram of the shaft micro-vibration adjustment mechanism of the present invention;

[0039] Figure 6 It is a partial explosion diagram of the present invention;

[0040] Figure 7 is a schematic diagram of a pressure reducing assembly of the present invention;

[0041] Figure 8 For the present invention Figure 6 A partial schematic diagram of

[0042] Figure 9 Schematic diagram of the explosion of the coupling mechanism of the present invention;

[0043] Figure 10 This is an exploded schematic diagram of the crankshaft stabilization mechanism of the present invention.

[0044] Reference numerals:

[0045] 100, drive assembly; 110, servo motor; 120, output shaft;

[0046] 200, external shock absorption mechanism; 210, machine base; 220, bottom bracket; 230, sleeve; 240, limiter; 250, propulsion rod; 260, bracket; 270, ring sleeve;

[0047] 300, shaft micro-vibration adjustment mechanism; 310, first outer plate; 320, pressure-bearing shell; 330, beam; 340, assembly notch; 350, buckle; 360, pressure relief assembly; 361, second outer plate; 362, inner pad; 363, first clamp; 364, inclined plate; 365, traction frame; 366, screw; 367, second clamp; 368, limit rod; 369, spring;

[0048] 400, coupling mechanism; 410, first shaft sleeve; 420, second shaft sleeve; 430, oil filling tank; 440, assembly bolt; 450, oil delivery pipe; 460, oil drain pipe; 470, cover;

[0049] 500, crankshaft stabilizing mechanism; 510, crankshaft main rod; 520, nut; 530, compression spring; 540, vane; 550, crankshaft secondary rod; 560, protective pad. DETAILED DESCRIPTION

[0050] To make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that the embodiments of the present invention and the features therein can be combined with each other without conflict.

[0051] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention.

[0052] An adjustable vibration-damping servo motor provided by some embodiments of the present invention will be described below with reference to the accompanying drawings. Example

[0053] Combine Figures 1 to 10 As shown, the present invention provides an adjustable shock-absorbing servo motor, which includes a drive assembly 100, an external shock-absorbing mechanism 200 arranged on the drive assembly 100, a shaft micro-vibration adjustment mechanism 300 arranged on the external shock-absorbing mechanism 200, two sets of coupling mechanisms 400 arranged in the shaft micro-vibration adjustment mechanism 300, and a crankshaft stabilization mechanism 500 arranged in the two sets of coupling mechanisms 400. The external shock-absorbing mechanism 200 is used to provide external stabilization protection for the servo motor 110, the shaft micro-vibration adjustment mechanism 300 cooperates with the external shock-absorbing mechanism 200 to provide shock-absorbing protection for the drive assembly 100, the two sets of coupling mechanisms 400 are used to reduce the friction resistance of the multi-stage structure, and the crankshaft stabilization mechanism 500 cooperates with the two sets of coupling mechanisms 400 to form a dynamic balance of centrifugal operation.

[0054] The drive assembly 100 includes a servo motor 110 and an output shaft 120;

[0055] The external shock absorbing mechanism 200 includes a base 210 mounted on the outside of the servo motor 110, a base 220 disposed at the bottom of the base 210, and two sleeves 230 movably mounted inside the base 220;

[0056] A horizontally placed propulsion rod 250 is provided inside the sleeve 230;

[0057] Two symmetrically distributed limiting members 240 are installed at the bottom of the base 210, and the push rod 250 is adapted to penetrate the interior of the limiting members 240;

[0058] The outer end of the propulsion rod 250 is movably mounted with a bracket 260 and a ring sleeve 270 provided at the other end of the bracket 260;

[0059] The sleeve 230 is composed of a sleeve, a rotating wheel and two ring washers arranged on the sleeve, and a screw hole is opened inside the sleeve;

[0060] The threaded section of the propulsion rod 250 is adapted to be installed in the threaded hole of the sleeve;

[0061] The shaft micro-vibration adjustment mechanism 300 includes two first outer plates 310 and two pressure-bearing shells 320, a plurality of beams 330 disposed inside the two pressure-bearing shells 320, assembly notches 340 disposed in the beams 330, and two sets of ring buckles 350 disposed at both ends of the plurality of beams 330;

[0062] Multiple groups of pressure reducing components 360 are evenly distributed in the two groups of ring buckles 350 , and the multiple groups of pressure reducing components 360 are used to provide micro-vibration protection for the transmission shaft and the output shaft 120 in the servo motor 110 ;

[0063] The two sets of coupling mechanisms 400 are used to provide low-friction oiling to the drive shaft in the servo motor 110 and the output shaft 120;

[0064] The crankshaft stabilization mechanism 500 cooperates with the two sets of coupling mechanisms 400 to provide dynamic balance stabilization protection for centrifugal motion.

[0065] By innovating the servo motor 110, the traditional single-axis direct transmission method is configured as a multi-stage drive. A forcibly fixed external shock-absorbing mechanism 200 is installed on the outside of the servo motor 110, and a horizontal shaft micro-vibration adjustment mechanism 300 is provided on the external shock-absorbing mechanism 200. In this way, the shaft micro-vibration adjustment mechanism 300 can provide centering and calibration constraints for the drive shaft and output shaft 120 in the servo motor 110. Combined with the auxiliary stabilization support provided by the external shock-absorbing mechanism 200 for the suspended section of the shaft micro-vibration adjustment mechanism 300, the servo motor 110 in a loaded state can avoid abnormal vibration caused by continuous movement.

[0066] When the crankshaft structure in the multi-stage structure vibrates due to increased load inertia, the selective adjustment of the multiple pressure reducing assemblies 360 can further restrain the abnormal vibration between the internal transmission shaft of the servo motor 110, the output shaft 120 and the crankshaft stabilization mechanism 500, thereby ensuring that the operation of the multi-stage structure maintains stable pressure.

[0067] At the same time, the two sets of coupling mechanisms 400 overflow liquid as the multi-stage structure operates, and the friction resistance between the multi-stage rods can be effectively reduced, thereby avoiding increased wear between the multi-stage structure. Example

[0068] Combine Figure 6 and Figure 7As shown, based on Example 1, the beam frame 330 is composed of an elliptical pad and an extended bracket, and an assembly notch 340 is opened inside the elliptical pad;

[0069] The decompression assembly 360 includes a plurality of second outer plates 361 mounted on the inner sides of the two ring buckles 350, an inner pad 362 disposed on the inner sides of the second outer plates 361, a first clamp 363 mounted on the inner pad 362, and an inclined plate 364 movably mounted on the first clamp 363;

[0070] A traction frame 365 is movably mounted on the other end of the inclined plate 364 .

[0071] Preferably, a slide groove is provided inside the second outer plate 361 , and the inclined plate 364 is adapted to pass through the slide groove, and the rectangular plate provided on the inner pad 362 is adapted to pass through the slide groove.

[0072] A second clamp 367 is installed on the top of the second outer plate 361, and a screw 366 is movably installed in the second clamp 367;

[0073] The screw 366 is adapted to be installed in the threaded slot on the outer end of the traction frame 365;

[0074] Two symmetrically distributed limiting rods 368 are installed on the inner pad 362 , and a spring 369 is provided on the outside of the limiting rod 368 , and the top end of the spring 369 is adapted to bear pressure on the bottom of the second outer plate 361 .

[0075] Preferably, a plurality of second outer plates 361 are arranged in a circular shape on the inner walls of the two ring buckles 350. When the outer ends of the screw rods 366 are selectively adjusted, the traction frame 365 moves along the screw rods 366. At this time, the inclined plate 364 pulled by the traction frame 365 can adjust the lifting distance between the inner pad 362 and the first clamp 363.

[0076] When multiple evenly distributed inner pads 362 are adapted and fitted to the transmission shaft and the output shaft 120 of the servo motor 110, one or more inner pads 362 that are selectively pressure-adjusted can fine-tune the transmission shaft and the output shaft 120 of the servo motor 110, thereby increasing the inertia of the load of the crankshaft stabilization mechanism 500 and effectively reducing the pressure on the transmission shaft of the servo motor 110. Example

[0077] Combine Figures 6 to 10 As shown, based on Example 1, the coupling mechanism 400 includes a first shaft sleeve 410 and a second shaft sleeve 420, and the tube walls of the first shaft sleeve 410 and the second shaft sleeve 420 are both provided with slots;

[0078] The port at the inner end of the first sleeve 410 and the port at the inner end of the second sleeve 420 are respectively connected to the two end pipes at both ends of the oil filling tank 430 to provide an extrusion channel for the lubricating liquid.

[0079] Preferably, the outer end holes of the two first sleeves 410 are adapted to be clamped on the transmission shaft in the servo motor 110 and the inner end of the output shaft 120 , and the outer end holes of the two second sleeves 420 face the crankshaft stabilization mechanism 500 .

[0080] An oil filling tank 430 is provided between the first sleeve 410 and the second sleeve 420, and a plurality of evenly distributed assembly bolts 440 are provided in the first sleeve 410 and the second sleeve 420;

[0081] An oil delivery pipe 450 is installed at one end of the oil filling tank 430, and an oil discharge pipe 460 is installed at the other end of the oil filling tank 430;

[0082] The oil delivery pipe 450 and the oil discharge pipe 460 are both provided with a cover 470;

[0083] An oil storage cavity is provided inside the oil filling tank 430, and symmetrically distributed end pipes are provided in the middle of both ends of the oil filling tank 430;

[0084] The outer wall of the oil filling tank 430 is provided with evenly distributed limiting grooves.

[0085] Preferably, the outer end of the oil delivery pipe 450 injects lubricating liquid into the interior of the oil filling tank 430 through a needle tube. When the interior of the oil filling tank 430 is filled with lubricating liquid, the two oil filling tanks 430 in operation can squeeze the lubricating liquid out of the gap between the first shaft sleeve 410 and the second shaft sleeve 420. Finally, the lubricating liquid will be soaked on the transmission shaft and the output shaft 120 in the servo motor 110, and the friction resistance on the multi-stage rod body can be effectively reduced.

[0086] At the same time, the two sets of coupling mechanisms 400 can cooperate with the crankshaft stabilization mechanism 500 to form dynamic balance protection for centrifugal operation. Example

[0087] Combine Figure 5 and Figure 10 As shown, in the above embodiment, the crankshaft stabilizing mechanism 500 includes a crankshaft secondary rod 550 and two protection pads 560 provided on the crankshaft secondary rod 550;

[0088] Two symmetrically distributed vanes 540 are installed at both ends of the crankshaft secondary rod 550 , and the crankshaft primary rod 510 is arranged inside the vane 540 .

[0089] Preferably, the two vanes 540 can slide freely along the outside of the two crankshaft main rods 510. According to the requirements of the crankshaft operation, the length of the crankshaft secondary rod 550 needs to be selected according to the number of externally assembled workpieces. When the crankshaft secondary rods 550 of different sizes are installed between the two vanes 540, the crankshaft stabilization mechanism 500 in a dynamically balanced state can rotate stably in a low-vibration state.

[0090] A compression spring 530 is provided on the outside of the crankshaft main rod 510, and a nut 520 is provided on the threaded section at the inner end of the crankshaft main rod 510;

[0091] The protective pad 560 is made of a stainless steel tube material, and the end tube of the protective pad 560 away from the crankshaft secondary rod 550 is adapted to be clamped on the outside of the hexagonal end of the nut 520;

[0092] The two protection pads 560 are used to provide position limiting constraints for the external pull rod.

[0093] Preferably, the assembly notch 340 is connected to the gap between the two pads 560. As the crankshaft main rod 510, the vane 540 and the crankshaft secondary rod 550 continue to operate, the two pads 560 cooperate with the assembly notch 340 to prevent the workpiece from slipping during centrifugal operation.

[0094] The working principle and usage process of the present invention: The vibration of traditional motors is mainly divided into excessive PID gain adjustment, encoder wiring error, increased load inertia, analog input port interference, etc., and the vibration that mainly affects the normal operation of the motor is the corresponding vibration of the internal transmission shaft of the motor and the output shaft connected to the transmission shaft;

[0095] Different from the normal straight-axis rotating shaft, when a motor with an additional crankshaft structure is operated at high intensity, the excessive load inertia generated by the high-speed rotation of the crankshaft structure will cause the operating load of the motor body to increase, and in severe cases, it will cause the servo motor to malfunction. At the same time, excessive vibration of the crankshaft structure will also cause looseness between the motor and the assembly carrier.

[0096] After the servo motor 110 is assembled inside the machine base 210, the external shock-absorbing mechanism 200 arranged outside the servo motor 110 can provide external decompression support for the horizontal shaft micro-vibration adjustment mechanism 300. Then, multiple groups of circumferentially distributed decompression components 360 are installed inside two adjacent groups of ring buckles 350. At this time, the multiple groups of circumferentially distributed decompression components 360 can provide central anti-seismic protection for the rod body of the transmission shaft in the servo motor 110 and the rod body of the output shaft 120. The multiple beams 330 arranged outside the two groups of ring buckles 350 can cooperate with the two pressure-bearing shells 320 to provide a sufficiently stable support platform for the multiple assembled decompression components 360. At this time, the transmission shaft and output shaft 120 that are forcibly constrained and calibrated can be symmetrical in the horizontal direction.

[0097] The crankshaft stabilizing mechanism 500 is then installed within the two coupling mechanisms 400 , and the combined crankshaft stabilizing mechanism 500 and the two coupling mechanisms 400 are docked with the outer end of the drive shaft and the inner end of the output shaft 120 , respectively. At this point, the output shaft 120 , the two coupling mechanisms 400 , the crankshaft stabilizing mechanism 500 , and the drive shaft form an effective output structure, and the overall rotation of the crankshaft stabilizing mechanism 500 is protected by the evenly distributed multiple beams 330 .

[0098] When the servo motor 110 needs to be tested, the two sleeves 230 are selected and adjusted according to the vibration amplitude of the output shaft 120. At this time, the two push rods 250 will be compressed and move outward. Finally, the two brackets 260 set at the outer ends of the two push rods 250 will push the ring sleeve 270 to slide along a pressure-bearing shell 320 away from the servo motor 110. When the base 210 is fixed to the carrier by bolts, the doubly constrained shaft micro-vibration adjustment mechanism 300 can provide anti-vibration protection for the inner transmission shaft and the output shaft 120 of the servo motor 110.

[0099] When the crankshaft stabilizing mechanism 500 of the crankshaft structure rotates, according to the shaking state of the crankshaft stabilizing mechanism 500 after being compressed as a whole, the worker can use a wrench to adjust the hexagonal ends of the outer ends of multiple screws 366. At this time, the screws 366 will push the traction frame 365 and the inclined plate 364 to move, and the inner pad 362 can further perform centering calibration adjustment on the drive shaft or output shaft 120.

[0100] In order to prevent the crankshaft structure from experiencing an increase in load inertia during subsequent rotation, lubricating liquid is injected into the inner cavity of the oil filling tank 430. As the transmission shaft drives the crankshaft stabilization mechanism 500 and the output shaft 120 to rotate, the lubricating oil is squeezed out from two pipes in the middle of the oil filling tank 430 under the action of centrifugal force. Finally, the lubricating liquid is coated on the transmission shaft, the output shaft 120 and the crankshaft stabilization mechanism 500 as a whole. At this time, the new servo motor can avoid the problem of vibration caused by the increase in load inertia of the transmission rod crankshaft structure.

[0101] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. An adjustable damping servo motor, comprising a drive assembly (100), characterized in that: It also includes an external shock-absorbing mechanism (200) disposed on the drive assembly (100), a shaft micro-vibration adjustment mechanism (300) disposed on the external shock-absorbing mechanism (200), two sets of coupling mechanisms (400) disposed within the shaft micro-vibration adjustment mechanism (300), and a crankshaft stabilization mechanism (500) disposed within the two sets of coupling mechanisms (400); The drive assembly (100) includes a servo motor (110) and an output shaft (120); The external shock absorbing mechanism (200) is used to provide external stabilization protection for the servo motor (110); The shaft micro-vibration adjustment mechanism (300) comprises two first outer plates (310) and two pressure-bearing shells (320), a plurality of beams (330) arranged inside the two pressure-bearing shells (320), an assembly notch (340) arranged in the beams (330), and two sets of ring buckles (350) arranged at both ends of the plurality of beams (330); Multiple groups of decompression components (360) are evenly distributed within the two groups of ring buckles (350), and the multiple groups of decompression components (360) are used to provide micro-vibration protection for the transmission shaft and the output shaft (120) within the servo motor (110); The two sets of coupling mechanisms (400) are used to provide low-friction oiling to the transmission shaft and the output shaft (120) in the servo motor (110); The crankshaft stabilization mechanism (500) cooperates with two sets of coupling mechanisms (400) to provide dynamic balance stabilization protection for centrifugal motion.

2. The adjustable damping servo motor according to claim 1, characterized in that: The external shock absorbing mechanism (200) comprises a base (210) mounted outside the servo motor (110), a base (220) arranged at the bottom of the base (210), and two sleeves (230) movably mounted inside the base (220); A transversely placed propulsion rod (250) is provided inside the sleeve (230); Two symmetrically distributed limiting members (240) are installed at the bottom of the machine base (210), and the propulsion rod (250) is adapted to penetrate the interior of the limiting members (240); The outer end of the propulsion rod (250) is movably mounted with a bracket (260), and a ring sleeve (270) is arranged at the other end of the bracket (260).

3. The adjustable damping servo motor according to claim 1, characterized in that: The coupling mechanism (400) comprises a first shaft sleeve (410) and a second shaft sleeve (420), and the tube walls of the first shaft sleeve (410) and the second shaft sleeve (420) are both provided with slots; An oil filling tank (430) is provided between the first shaft sleeve (410) and the second shaft sleeve (420), and a plurality of evenly distributed assembly bolts (440) are provided in the first shaft sleeve (410) and the second shaft sleeve (420); An oil delivery pipe (450) is installed at one end of the oil filling tank (430), and an oil discharge pipe (460) is installed at the other end of the oil filling tank (430); The oil delivery pipe (450) and the oil discharge pipe (460) are both provided with a sealing cover (470).

4. The adjustable damping servo motor according to claim 3, characterized in that: An oil storage cavity is provided inside the oil filling bin (430), and symmetrically distributed end pipes are provided in the middle of both ends of the oil filling bin (430); The outer wall of the oil filling bin (430) is provided with evenly distributed limiting grooves.

5. The adjustable damping servo motor according to claim 1, characterized in that: The decompression assembly (360) includes a plurality of second outer plates (361) mounted on the inner sides of two ring buckles (350), an inner pad (362) disposed on the inner sides of the second outer plates (361), a first clamp (363) mounted on the inner pad (362), and an inclined plate (364) movably mounted on the first clamp (363); a traction frame (365) is movably mounted on the other end of the inclined plate (364); A second clamp (367) is installed on the top of the second outer plate (361), and a screw rod (366) is movably installed in the second clamp (367); the screw rod (366) is adapted to be installed in a threaded notch at the outer end of the traction frame (365); Two symmetrically distributed limiting rods (368) are installed on the inner pad (362), and a spring (369) is provided outside the limiting rod (368), and the top end of the spring (369) is adapted to bear pressure on the bottom of the second outer plate (361).

6. The adjustable damping servo motor according to claim 1, characterized in that: The crankshaft stabilization mechanism (500) comprises a crankshaft secondary rod (550) and two protective pads (560) arranged on the crankshaft secondary rod (550); Two symmetrically distributed blades (540) are installed at both ends of the crankshaft secondary rod (550), and the crankshaft primary rod (510) is arranged inside the blades (540); A compression spring (530) is provided on the outside of the crankshaft main rod (510), and a nut (520) is provided on the threaded section at the inner end of the crankshaft main rod (510).

7. The adjustable damping servo motor according to claim 2, characterized in that: The sleeve (230) is composed of a sleeve, a rotating wheel, and two ring washers arranged on the sleeve, and a screw hole is opened inside the sleeve; The threaded section of the propulsion rod (250) is adapted to be installed in the screw hole of the sleeve.

8. The adjustable damping servo motor according to claim 1, characterized in that: The beam frame (330) is composed of an elliptical pad and an extended bracket, and an assembly notch (340) is provided inside the elliptical pad.

9. The adjustable damping servo motor according to claim 3, characterized in that: The port at the inner end of the first shaft sleeve (410) and the port at the inner end of the second shaft sleeve (420) are respectively connected to two end pipes at both ends of the oil filling tank (430) to provide an extrusion channel for the lubricating liquid.

10. The adjustable damping servo motor according to claim 6, characterized in that: The protective pad (560) is made of a stainless steel tube material, and the end tube of the protective pad (560) away from the crankshaft secondary rod (550) is adapted to be clamped on the outside of the hexagonal end of the nut (520); The two protective pads (560) are used to provide position limiting constraints for the external pull rod.

Citation Information

Patent Citations

  • Automatic worm residual tooth removing device and residual tooth removing method thereof

    CN105436625A

  • Vibration generating device with adjustable amplitude and frequency

    CN114160400A