Cogging-free servo motor applied to control load

Abstract

The utility model belongs to the field of motors, particularly relates to a cogging-free servo motor applied to control load, and aims to solve the problems that the height of the existing cogging-free servo motor cannot be adjusted and the installation and the use of the servo motor are influenced, the following scheme is provided: the cogging-free servo motor comprises a servo motor shell; the cogging-free servo motor stator is connected to the interior of the servo motor shell in a clamped mode; the servo motor rotor is rotationally connected into the servo motor shell in a sleeving manner; the servo controller is in bolted connection with the top of the servo motor shell; the installation assembly comprises an installation frame and a motor fixing frame, after the servo motor shell is installed through the installation frame, a multi-time speed reduction structure can be generated through combination of a worm, a worm gear and a lead screw, the height of the motor fixing frame can be finely adjusted, and therefore the height of the servo motor shell can be finely adjusted; and a cushion and the like do not need to be used for increasing the height, so that the installation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a slotless servo motor used for manipulating loads. Background Art

[0002] A servo motor is required in the control load to ensure the stable operation of the control load. For example, a Chinese patent document with publication number: CN209746834U discloses a universal electric control load system.

[0003] However, in the above technical solutions, the servo motors are mostly directly fixed inside the system, but the height of the servo motor cannot be fine-tuned, so that it can only passively adapt to the conditions of other structures, or use mounting pads to adjust the height of the servo motor, which brings inconvenience to the installation of the servo motor. Utility Model Content

[0004] The utility model aims to solve the disadvantages of the prior art that the height cannot be adjusted, which affects the installation and use of the servo motor, and proposes a slotless servo motor for manipulating loads.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A slotless servo motor for manipulating a load, comprising:

[0007] Servo motor housing;

[0008] A slotless servo motor stator, the slotless servo motor stator is snap-fitted into the interior of the servo motor housing;

[0009] A servo motor rotor, the servo motor rotor is rotatably sleeved inside the servo motor housing;

[0010] A servo controller, the servo controller is bolted to the top of the servo motor housing;

[0011] An installation assembly, the installation assembly includes an installation frame and a motor fixing frame, the motor fixing frame is welded to the bottom of the servo motor housing, and the motor fixing frame is slidably connected to the installation frame;

[0012] The fine-tuning mechanism includes a worm, a worm wheel and a lead screw. The worm wheel and the lead screw are each provided with three teeth. The teeth of the three worm wheels are respectively meshed with the middle end and both sides of the surface of the worm. The axis of the worm wheel is key-connected with the bottom end of the lead screw surface. The surface of the lead screw is threadedly connected with the screw hole of the motor fixing frame.

[0013] An adjusting mechanism is connected to the worm, and the adjusting mechanism is used to drive the motor fixing frame. After the servo motor housing is installed through the mounting frame, multiple reduction structures can be generated through the combination of the worm, worm wheel and lead screw, and the height of the motor fixing frame can be fine-tuned. In this way, the height of the servo motor housing can also be fine-tuned to adapt to the height requirements of other structures. There is no need to use cushions to increase the height, and the installation is convenient.

[0014] As a preferred solution of the utility model, the adjusting mechanism includes a rotating rod, a small gear and a large gear. The left end of the rotating rod is key-connected to the axis of the small gear, the teeth of the small gear are meshed with the teeth of the large gear, and the axis of the large gear is key-connected to the right end of the worm surface. By rotating the rotating rod, the rotating rod can drive the small gear to rotate, and the small gear can drive the large gear to rotate. The radius of the large gear is twice the radius of the small gear, which can produce an acceleration effect on the large gear, and the large gear can drive the worm to rotate.

[0015] As a preferred solution of the utility model, the surface of the rotating rod is rotatably connected to the hole on the right side of the mounting frame, the right end key of the rotating rod is connected to the adjusting wheel, the rotating rod is rotatably arranged with the mounting frame through a bearing to ensure the smooth rotation of the rotating rod, and a cross slot can be set on the right side of the adjusting wheel for use with a screwdriver.

[0016] As a preferred solution of the utility model, a hidden groove is opened at the bottom of the right side of the installation frame, and the adjusting wheel is located inside the hidden groove. The hidden groove can hide the lifting wheel to prevent others from accidentally touching the lifting wheel.

[0017] As a preferred solution of the utility model, the servo motor rotor is located inside the slotless servo motor stator, and the slotless servo motor stator and the servo motor rotor are both connected to the servo controller wires to ensure the stable operation of the servo motor.

[0018] As a preferred solution of the utility model, mounting holes are provided on both sides of the bottom of the mounting frame, both sides of the surface of the motor fixing frame are slidably connected to the mounting frame, the mounting holes of the mounting frame are used for installing and fixing the mounting frame, and the mounting frame is slidably arranged with the motor fixing frame through a slide rail.

[0019] As a preferred solution of the utility model, threaded sleeves are welded on the middle end and both sides of the bottom of the motor fixing frame, the inside of the threaded sleeve is threadedly connected to the surface of the screw rod, the screw rod can drive the threaded sleeve to move up and down, and the screw rod drives the motor fixing frame to move up and down through the threaded sleeve.

[0020] As a preferred solution of the utility model, both ends of the worm are rotatably socketed with the inner part of the mounting frame, the top and bottom ends of the screw are rotatably socketed with the inner part of the mounting frame, the worm is rotatably arranged with the mounting frame through a bearing to ensure the smooth rotation of the worm, and the screw is rotatably arranged with the mounting frame through a bearing to ensure the smooth rotation of the screw.

[0021] Beneficial effects:

[0022] 1. The adjustment mechanism can drive the worm to rotate, the worm can drive the three worm wheels to rotate, the worm wheels can drive the screw to rotate, and the three screws can drive the motor fixing frame to rise and fall, and fine-tune the height of the servo motor housing;

[0023] 2. The rotating rod can drive the small gear to rotate, the small gear can drive the large gear to rotate, and the large gear can drive the worm to rotate, which is convenient for fine-tuning the position;

[0024] In the utility model: after the servo motor housing is installed through the installation frame, multiple speed reduction structures can be generated through the combination of the worm, the worm wheel and the lead screw, and the height of the motor fixing frame can be fine-tuned. In this way, the height of the servo motor housing can also be fine-tuned to adapt to the height requirements of other structures. There is no need to use cushions to increase the height, and the installation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is the front view of the utility model;

[0026] Figure 2 It is a schematic diagram of the screw rod of the utility model;

[0027] Figure 3 It is a top view of the worm of the utility model;

[0028] Figure 4 It is a three-dimensional diagram of the worm gear of the present utility model.

[0029] In the figure: 1. servo motor housing; 2. slotless servo motor stator; 3. servo motor rotor; 4. servo controller; 5. mounting frame; 6. motor fixing bracket; 7. rotating rod; 8. small gear; 9. large gear; 10. worm; 11. worm wheel; 12. lead screw; 13. threaded sleeve. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] Embodiment 1

[0032] Reference Figure 1-Figure 4, a slotless servo motor for manipulating a load, comprising a servo motor housing 1;

[0033] The slotless servo motor stator 2 is clamped inside the servo motor housing 1;

[0034] The servo motor rotor 3 is rotatably sleeved inside the servo motor housing 1;

[0035] A servo controller 4 is bolted to the top of the servo motor housing 1;

[0036] An installation assembly, the installation assembly includes an installation frame 5 and a motor fixing frame 6, the motor fixing frame 6 is welded to the bottom of the servo motor housing 1, and the motor fixing frame 6 is slidably connected to the installation frame 5;

[0037] The fine-tuning mechanism includes a worm 10, a worm wheel 11 and a screw 12. The worm wheels 11 and the screw 12 are each provided with three. The teeth of the three worm wheels 11 are respectively meshed with the middle end and both sides of the surface of the worm 10. The axis of the worm wheel 11 is keyed to the bottom end of the surface of the screw 12. The surface of the screw 12 is threadedly connected to the screw hole of the motor fixing frame 6.

[0038] The adjusting mechanism is connected to the worm 10 , and is used to drive the motor fixing bracket 6 .

[0039] By means of the above structure: after the servo motor housing 1 is installed through the mounting frame 5, multiple reduction structures can be generated through the combination of the worm 10, the worm wheel 11 and the lead screw 12, and the height of the motor fixing frame 6 can be fine-tuned. In this way, the height of the servo motor housing 1 can also be fine-tuned to adapt to the height requirements of other structures. There is no need to use cushions to increase the height, and the installation is convenient.

[0040] See also Figure 2 The adjusting mechanism includes a rotating rod 7, a small gear 8 and a large gear 9. The left end of the rotating rod 7 is key-connected with the axis of the small gear 8. The teeth of the small gear 8 are meshed with the teeth of the large gear 9. The axis of the large gear 9 is key-connected with the right end of the surface of the worm 10. By rotating the rotating rod 7, the rotating rod 7 can drive the small gear 8 to rotate, and the small gear 8 can drive the large gear 9 to rotate. The radius of the large gear 9 is twice the radius of the small gear 8, which can produce an acceleration effect on the large gear 9, and the large gear 9 can drive the worm 10 to rotate.

[0041] See also Figure 2 The surface of the rotating rod 7 is rotatably connected to the hole on the right side of the mounting frame 5. The right end key of the rotating rod 7 is connected to the adjusting wheel. The rotating rod 7 is rotatably arranged with the mounting frame 5 through a bearing to ensure the smooth rotation of the rotating rod 7. A cross slot can be arranged on the right side of the adjusting wheel for use with a screwdriver.

[0042] See also Figure 1 A hidden groove is provided at the bottom of the right side of the mounting frame 5, and the adjusting wheel is located inside the hidden groove. The hidden groove can hide the lifting wheel to prevent others from accidentally touching the lifting wheel.

[0043] See also Figure 1 The servo motor rotor 3 is located inside the slotless servo motor stator 2. The slotless servo motor stator 2 and the servo motor rotor 3 are both connected to the servo controller 4 by wires to ensure the stable operation of the servo motor.

[0044] See also Figure 1 Both sides of the bottom of the mounting frame 5 are provided with mounting holes, both sides of the surface of the motor fixing frame 6 are slidably connected to the mounting frame 5, the mounting holes of the mounting frame 5 are used for installing and fixing the mounting frame 5, and the mounting frame 5 is slidably set with the motor fixing frame 6 through a slide rail.

[0045] See also Figure 2 , threaded sleeves 13 are welded on the middle end and both sides of the bottom of the motor fixing frame 6, and the interior of the threaded sleeve 13 is threadedly connected to the surface of the screw rod 12. The screw rod 12 can drive the threaded sleeve 13 to move up and down, and the screw rod 12 drives the motor fixing frame 6 to move up and down through the threaded sleeve 13.

[0046] See also Figure 1 Both ends of the worm 10 are rotatably socketed with the inner part of the mounting frame 5, the top and bottom ends of the screw rod 12 are rotatably socketed with the inner part of the mounting frame 5, the worm 10 is rotatably arranged with the mounting frame 5 through a bearing to ensure the smooth rotation of the worm 10, and the screw rod 12 is rotatably arranged with the mounting frame 5 through a bearing to ensure the smooth rotation of the screw rod 12.

[0047] Embodiment 2

[0048] The difference between this embodiment and the first embodiment is that the rotating rod 7, the small gear 8 and the large gear 9 are replaced by a servo motor, and the servo motor is directly connected to the worm 10, but its cost is relatively high. Therefore, the present application preferably uses the rotating rod 7, the small gear 8 and the large gear 9.

[0049] The servo motor housing 1 adopts the existing technology and can adopt the housing structure of patent application number 201810751233.3.

[0050] The slotless servo motor stator 2 adopts the existing technology and can adopt the stator structure of patent application number 201620365852.5.

[0051] The servo motor rotor 3 adopts the existing technology and can adopt the rotor structure of patent application number 201720375344.X.

[0052] The servo controller 4 adopts the existing technology and can adopt the rotor structure of patent application number 201510662150.3.

[0053] The working principle of the utility model is as follows: after the mounting frame 5 is installed, when the height needs to be adjusted, the rotating rod 7 is rotated, the rotating rod 7 can drive the small gear 8 to rotate, the small gear 8 can drive the large gear 9 to rotate, the radius of the large gear 9 is twice the radius of the small gear 8, and the large gear 9 can produce an acceleration effect, the large gear 9 can drive the worm 10 to rotate, the worm 10 can drive three worm wheels 11 to rotate, the worm wheel 11 can drive the lead screw 12 to rotate, and the lead screw 12 can drive the motor fixing frame 6 to move slightly upward, so that the height of the servo motor housing 1, the slotless servo motor stator 2, the servo motor rotor 3 and the servo controller 4 can be adjusted.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A slotless servo motor for manipulating a load, characterized in that: It comprises a servo motor housing (1); A slotless servo motor stator (2), the slotless servo motor stator (2) being snap-fitted to the interior of the servo motor housing (1); A servo motor rotor (3), the servo motor rotor (3) is rotatably sleeved inside the servo motor housing (1); A servo controller (4), the servo controller (4) is bolted to the top of the servo motor housing (1); An installation assembly, the installation assembly comprising an installation frame (5) and a motor fixing frame (6), the motor fixing frame (6) being welded to the bottom of the servo motor housing (1), and the motor fixing frame (6) being slidably connected to the installation frame (5); A fine-tuning mechanism, the fine-tuning mechanism comprises a worm (10), a worm wheel (11) and a screw (12), three worm wheels (11) and three screws (12) are provided, the teeth of the three worm wheels (11) are respectively meshed with the middle end and both sides of the surface of the worm (10), the axis of the worm wheel (11) is key-connected with the bottom end of the surface of the screw (12), and the surface of the screw (12) is threadedly connected with the screw hole of the motor fixing frame (6); An adjusting mechanism is connected to the worm (10), and is used to drive the motor fixing frame (6).

2. A slotless servo motor for manipulating loads according to claim 1, characterized in that: The adjusting mechanism comprises a rotating rod (7), a small gear (8) and a large gear (9); the left end of the rotating rod (7) is key-connected with the axis of the small gear (8); the teeth of the small gear (8) are meshed with the teeth of the large gear (9); and the axis of the large gear (9) is key-connected with the right end of the surface of the worm (10).

3. A slotless servo motor for manipulating loads according to claim 2, characterized in that: The surface of the rotating rod (7) is rotatably sleeved with the hole on the right side inside the mounting frame (5), and the right end of the rotating rod (7) is key-connected with an adjusting wheel.

4. A slotless servo motor for manipulating loads according to claim 3, characterized in that: A hidden groove is provided at the bottom of the right side of the installation frame (5), and the adjustment wheel is located inside the hidden groove.

5. A slotless servo motor for manipulating loads according to claim 1, characterized in that: The servo motor rotor (3) is located inside the slotless servo motor stator (2), and both the slotless servo motor stator (2) and the servo motor rotor (3) are connected to the servo controller (4) by wires.

6. A slotless servo motor for manipulating loads according to claim 1, characterized in that: Both sides of the bottom of the installation frame (5) are provided with installation holes, and both sides of the surface of the motor fixing frame (6) are slidably connected to the installation frame (5).

7. A slotless servo motor for manipulating loads according to claim 1, characterized in that: The middle end and both sides of the bottom of the motor fixing frame (6) are welded with threaded sleeves (13), and the inside of the threaded sleeve (13) is threadedly connected to the surface of the screw rod (12).

8. A slotless servo motor for manipulating loads according to claim 1, characterized in that: Both ends of the worm (10) are rotatably sleeved inside the mounting frame (5), and both the top and bottom ends of the screw rod (12) are rotatably sleeved inside the mounting frame (5).

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