High-precision servo tubular motor

Abstract

The utility model relates to the technical field of servo tubular motors, and discloses a high-precision servo tubular motor, which comprises a main body assembly and a planetary reducing mechanism, one side of the planetary reducing mechanism is movably connected with a servo motor, and one side of the servo motor is provided with an electronic limiting mechanism. And the transmission assembly is located on one side of the planetary speed reducing mechanism and comprises a transmission piece, and the transmission piece comprises a clamping block arranged on one side of the servo motor. The utility model has the beneficial effects that the clamping block is additionally arranged at the tail end of the output shaft of the motor, the corresponding clamping groove is additionally arranged on the speed reduction sleeve shell, the torque on the motor shaft is transmitted through the matching of the clamping block and the clamping groove, and the original multi-gear matching part is pre-mounted and matched in the speed reduction sleeve shell, so that the precision is higher, and the cost is reduced. And meanwhile, the clamping block is provided with a compensation piece, so that the situation that the use of the tubular motor is affected due to the fact that a gap exists between the clamping groove and the clamping block after the tubular motor is used for a long time is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to servo tubular motor technical field, especially a high accuracy servo tubular motor. BACKGROUND

[0002] Servo tubular motor is a kind of motor product that combines servo motor technology and tubular motor structure, one side of motor output shaft is connected with driving gear, the driving gear is engaged with the three planetary gears inside the shaft sleeve of speed reducer mechanism, the driving gear drives the three planetary gears to rotate the module inside the shaft sleeve, to complete the speed reduction, when connecting and installing speed reducer mechanism and servo motor, speed reducer mechanism is partially sleeved with motor housing and is fixed by bolt, the relative position of the position of driving gear and three planetary gears is determined by the partial sleeve of shell, due to the gap of sleeve, there will be also gap between planetary gear and main gear, and the meshing degree may be reduced due to wear after long time use, and noise is also generated, thereby reducing the service life and use effect of tubular motor. SUMMARY

[0003] In view of the above and / or existing problems in high-precision servo tubular motor, the utility model is proposed.

[0004] Therefore, the problem to be solved by the utility model is that the speed reducer mechanism and the servo motor adopt the mode of shell sleeve to realize the engagement between the planetary gear set inside the speed reducer mechanism and the driving gear on the motor output shaft, there is a certain gap, which will affect the speed reduction function and the use of the entire tubular motor.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a high-precision servo tubular motor, comprising a main body assembly, a planetary speed reducer mechanism, a servo motor movably connected to one side of the planetary speed reducer mechanism, and an electronic limiting mechanism arranged on one side of the servo motor.

[0006] A transmission assembly is located on one side of the planetary speed reducer mechanism and comprises a transmission piece, the transmission piece comprises a clamping block arranged on one side of the servo motor, and a clamping groove is arranged on one side of the planetary speed reducer mechanism.

[0007] A compensation assembly is arranged in the clamping block and comprises a compensation piece, an adjusting piece is arranged on one side of the compensation piece, a first moving groove is formed in the clamping block, the compensation piece comprises a compensation block sliding in the first moving groove, and a push plate is fixed on one side of the compensation block.

[0008] As a preferred scheme of the high-precision servo tubular motor, the planetary speed reducer mechanism comprises a sleeve shell, a speed reduction component is arranged in the sleeve shell, the servo motor comprises a motor shaft, a shaft sleeve is arranged outside the motor shaft, and the sleeve shell is inserted into the shaft sleeve.

[0009] As a preferred scheme of the high-precision servo tubular motor, the clamping block is internally provided with a cylindrical groove, the adjusting member comprises a rotating column connected to the inside of the cylindrical groove through a bearing, one side of the rotating column is fixed with a threaded column, one side of the threaded column is fixed with a rotating shaft, the threaded column is externally provided with a moving block, the clamping block is provided with a rectangular groove, and the moving block slides in the rectangular groove.

[0010] As a preferred scheme of the high-precision servo tubular motor, one end of the push plate is inclined, and the moving block can be in contact with the inclined surface of the push plate.

[0011] As a preferred scheme of the high-precision servo tubular motor, the rotating column is externally provided with a disc, the rotating column is internally provided with a spiral groove, and the spiral groove is internally provided with a sliding block.

[0012] As a preferred scheme of the high-precision servo tubular motor, one end of the disc is fixed with a cylindrical sleeve, the cylindrical sleeve is internally provided with a gravity block, the clamping block is provided with a second moving groove, and the disc and the cylindrical sleeve can slide in the second moving groove.

[0013] As a preferred scheme of the high-precision servo tubular motor, the clamping block is internally fixed with a fixed block, the fixed block is internally provided with a sliding groove, the fixed block is internally provided with a locking block, and the rotating shaft is internally provided with a locking groove.

[0014] As a preferred scheme of the high-precision servo tubular motor, one end of the locking block is fixed with a first spring, and the number of the locking grooves is multiple.

[0015] As a preferred scheme of the high-precision servo tubular motor, the disc is internally provided with a through hole, and the through hole is internally provided with a limiting column.

[0016] As a preferred scheme of the high-precision servo tubular motor, one side of the compensation block is fixed with an extension plate, and one side of the extension plate is fixed with a second spring.

[0017] The high-precision servo tubular motor has the advantages that the clamping block is added at the end of the motor output shaft, the corresponding clamping groove is added on the reduction sleeve, the torque on the motor shaft is transmitted through the cooperation of the clamping block and the clamping groove, the original multi-tooth gear cooperation part is pre-installed and cooperated in the reduction sleeve, the precision is high, the cooperation of the driving tooth and the driven tooth is not affected, the compensation member is arranged on the clamping block, and the gap between the clamping groove and the clamping block is prevented from affecting the use of the tubular motor after long-time use. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings. Among them:

[0019] Figure 1 It is a whole structure diagram of high-precision servo tubular motor.

[0020] Figure 2 It is a servo motor structure diagram of high-precision servo tubular motor.

[0021] Figure 3 It is a planetary reduction mechanism structure diagram of high-precision servo tubular motor.

[0022] Figure 4 It is a reduction component structure diagram of high-precision servo tubular motor.

[0023] Figure 5 It is a clamping block structure diagram of high-precision servo tubular motor.

[0024] Figure 6 It is a compensation block structure diagram of high-precision servo tubular motor.

[0025] Figure 7 It is a clamping block cross-section structure diagram of high-precision servo tubular motor.

[0026] Figure 8 It is a threaded column structure diagram of high-precision servo tubular motor.

[0027] Figure 9 It is a Figure 8 It is a local enlarged structure diagram of A in the middle.

[0028] Figure 10 It is a gravity block cross-section structure diagram of high-precision servo tubular motor.

[0029] Figure 11 It is a locking block cross-section structure diagram of high-precision servo tubular motor. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0031] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore, the present application is not limited to the specific embodiments disclosed below.

[0032] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment.

[0033] Embodiment 1

[0034] Reference Figures 1-6 For the first embodiment of the present application, the embodiment provides a high-precision servo tubular motor, the high-precision servo tubular motor includes a main body assembly 100, including a planetary reduction mechanism 101, the planetary reduction mechanism 101 is movably connected with a servo motor 102 on one side, the servo motor 102 is provided with an electronic limit mechanism 103 on one side, the planetary reduction mechanism 101 is used in combination with the servo motor 102, to ensure the normal use of the tubular motor, which is prior art, and the present scheme will not be described in detail, and those skilled in the art can clearly know the working principle.

[0035] Transmission assembly 200, located on one side of the planetary reduction mechanism 101, including a transmission member 201, for connecting the servo motor 102 and the planetary reduction mechanism 101, to ensure the realization of the reduction function.

[0036] Transmission member 201 includes a clamping block 2011 arranged on one side of the servo motor 102, and a clamping groove 2012 arranged on one side of the planetary reduction mechanism 101, the clamping groove 2012 is provided with a groove corresponding to the clamping block 2011, the torque and the rotational speed generated by the servo motor 102 are transmitted to the planetary reduction mechanism 101 through the cooperation of the two.

[0037] Compensation assembly 300, arranged in the clamping block 2011, including a compensation member 301, the compensation member 301 is provided with an adjusting member 302 on one side, the compensation member 301 is used to compensate the gap generated between the clamping block 2011 and the clamping groove 2012 after the tubular motor is used for a long time, so as to ensure that the torque and the rotational speed can be stably transmitted, and the adjusting member 302 is arranged for adjusting the compensation.

[0038] The card block 2011 is provided with a first moving groove 2011-1, and the compensation member 301 comprises a compensation block 3011 sliding in the first moving groove 2011-1, one side of the compensation block 3011 is attached to the inner wall of the card groove 2012, so as to fill the gap between the card block 2011 and the card groove 2012, and the compensation block 3011 is fixed with a push plate 3012 on one side, the push plate 3012 is used to drive the compensation block 3011 to move, and the card block 2011 is also provided with a groove corresponding to the push plate 3012, the push plate 3012 can only move along the groove, so that the compensation block 3011 can move along the first moving groove 2011-1.

[0039] In the initial state, the end surface of the compensation block 3011 is in the same plane as the end surface of the card block 2011, and when it is necessary to fill the gap, the compensation block 3011 is adjusted to the protruding position.

[0040] Embodiment 2

[0041] Referring to Figures 2-7 For the second embodiment of the utility model, the embodiment is based on the previous embodiment.

[0042] Specifically, the planetary reduction mechanism 101 comprises a sleeve 1011, the sleeve 1011 is provided with a reduction component 1012 inside, the reduction component 1012 has a planetary gear and a main gear, the reduction component 1012 is preassembled to the inside of the sleeve 1011, and the precision of the gear set is ensured, the reduction component 1012 is located on one side of the card groove 2012, the card groove 2012 is connected with the bearing of the sleeve 1011, the card groove 2012 is connected with the main gear through an additional rotating shaft, so that the card block 2011 drives the card groove 2012 to rotate, and simultaneously drives the main gear to rotate, and then the internal module of the planetary reduction mechanism 101 completes the reduction function.

[0043] The servo motor 102 comprises a motor shaft 1021, the motor shaft 1021 is provided with a shaft sleeve 1022 outside, one end of the motor shaft 1021 is fixed with the card block 2011, the sleeve 1011 is inserted into the shaft sleeve 1022, after sleeve connection is completed, the sleeve 1011 is fixed with the shaft sleeve 1022 by using a bolt.

[0044] The servo motor 102 is started, the motor shaft 1021 drives the card block 2011 to rotate, and through the cooperation of the card block 2011 and the card groove 2012, the torque and rotating speed are transmitted to the reduction component 1012 to realize reduction.

[0045] Specific, the card block 2011 is internally provided with a cylindrical groove 2011-2, the adjusting member 302 comprises a rotating column 3021 connected to the inside of the cylindrical groove 2011-2 through a bearing, one side of the rotating column 3021 is fixedly provided with a threaded column 3022, one side of the threaded column 3022 is fixedly provided with a rotating shaft 3023, the rotating column 3021, the threaded column 3022 and the rotating shaft 3023 are synchronous, one side of the rotating shaft 3023 is fixedly provided with a rotating disc 30213, the rotating disc 30213 is provided with a cross groove, which is convenient for rotating the rotating disc 30213 by using a screwdriver.

[0046] The threaded column 3022 is externally provided with a moving block 3024, the moving block 3024 is provided with a groove corresponding to the threaded column 3022, the moving block 3024 is threadedly connected with the threaded column 3022, and the moving block 3024 is arranged for pushing the push plate 3012 to move, so that the compensation block 3011 moves, the card block 2011 is provided with a rectangular groove 2011-3, and the moving block 3024 slides in the rectangular groove 2011-3.

[0047] When the threaded column 3022 rotates, the moving block 3024 cannot rotate, so that the moving block 3024 moves along the direction of the threaded column 3022, that is, slides in the rectangular groove 2011-3.

[0048] In the initial state, the end surface of the compensation block 3011 is in the same plane as the end surface of the card block 2011, and at this time, the moving block 3024 is located at the end position of the rectangular groove 2011-3.

[0049] Specifically, one end of the push plate 3012 is inclined, the moving block 3024 can be in contact with the inclined surface of the push plate 3012, when the threaded column 3022 is rotated to move the moving block 3024 along the threaded column 3022 to the direction close to the push plate 3012, the moving block 3024 will extrude the inclined surface of the push plate 3012, so that the push plate 3012 moves, and in turn drives the compensation block 3011 to move along the first moving groove 2011-1 to the outside of the card block 2011 and abuts against the inner wall of the card groove 2012.

[0050] Specifically, the rotating column 3021 is externally provided with a disc 3025, the rotating column 3021 is provided with a spiral groove 3021-1, the spiral groove 3021-1 has a large pitch, and the spiral groove 3021-1 is slidably provided with a sliding block 3026, the sliding block 3026 is fixed to the disc 3025, when the disc 3025 is limited to rotate, when the disc 3025 moves along the rotating column 3021, the sliding block 3026 will slide along the spiral groove 3021-1, so that the rotating column 3021 further rotates.

[0051] Specifically, the disc 3025 is fixed with a cylindrical sleeve 3027 at one end, the cylindrical sleeve 3027 is provided with a gravity block 3028, the gravity block 3028 is used for pushing the disc 3025 to move, the cylindrical sleeve 3027 is used for preventing the gravity block 3028 from moving under the action of centrifugal force and greatly affecting the rotating column 3021, the clamping block 2011 is provided with a second moving groove 2011-4, and the disc 3025 and the cylindrical sleeve 3027 are slidably arranged in the second moving groove 2011-4.

[0052] In the initial state, the disc 3025 and the cylindrical sleeve 3027 are located at the side close to the center of the clamping block 2011 in the second moving groove 2011-4, when the servo motor 102 drives the clamping block 2011 to rotate, under the action of centrifugal force, the gravity block 3028 will move to the edge of the clamping block 2011, thereby driving the disc 3025 and the cylindrical sleeve 3027 to move along the rotating column 3021 to the edge of the clamping block 2011, at this time, the sliding block 3026 will slide along the spiral groove 3021-1, so that the rotating column 3021 is further rotated, the threaded column 3022 is synchronously rotated with the rotating column 3021, so that the moving block 3024 continues to move to the direction close to the push plate 3012, the push plate 3012 is moved, and the compensation block 3011 is more closely attached to the inner wall of the clamping groove 2012, so as to ensure the stability of the clamping block 2011 and the clamping groove 2012 in transmitting torque and rotating speed.

[0053] Embodiment 3

[0054] Reference Figures 1-11 For the third embodiment of the utility model, the embodiment is based on the previous two embodiments.

[0055] Specifically, the clamping block 2011 is fixed with a fixed block 3029, the fixed block 3029 is provided with a sliding groove 3029-1, the fixed block 3029 is provided with a locking block 30210, the fixed block 3029 provides stable support for the locking block 30210, the rotating shaft 3023 is provided with a locking groove 3023-1, the locking block 30210 is clamped with the locking groove 3023-1, through cooperation of the two, it is ensured that the rotating column 3021, the threaded column 3022 and the rotating shaft 3023 can only rotate in one direction, so that the compensation block 3011 can only move to the position protruding from the end surface of the clamping block 2011, and the compensation of the gap is prevented after the compensation of the gap is completed in the use process. The compensation block 3011 is reversed to affect the compensation of the gap.

[0056] Specifically, the locking block 30210 is fixed with a first spring 30211 at one end, the first spring 30211 applies a continuous pushing force to the locking block 30210, so as to ensure that the locking block 30210 can be clamped with the locking groove 3023-1, and the number of the locking grooves 3023-1 is multiple.

[0057] The locking block 30210 is obliquely arranged at one end, and through the oblique arrangement, under the cooperation of the locking block 30210 and the locking groove 3023-1, the locking block 30210 is pressed against the inclined surface of the locking groove 3023-1, and the first spring 30211 is compressed. At this time, the locking block 30210 does not hinder the rotation of the rotating shaft 3023. When the rotating shaft 3023 has a tendency to rotate in the opposite direction, the right-angle surface of the locking groove 3023-1 is in contact with the right-angle surface of the locking block 30210, and the first spring 30211 is not compressed. The locking block 30210 will hinder the rotation of the rotating shaft 3023.

[0058] One rotation of the rotating disc 30213 moves the compensation block 3011 by a small distance. When adjusting the compensation gap, the size of the inner wall of the clamping groove 2012 and the size of the clamping block 2011 need to be measured first, and then the position of the compensation block 3011 is adjusted. After each rotation, the measurement needs to be performed, and the rotating disc 30213 needs to be rotated a small number of times.

[0059] Specifically, the rotating disc 3025 is provided with a through hole 3025-1, and the through hole 3025-1 is inserted with a limiting column 30212. The limiting column 30212 is used to limit the rotation of the rotating disc 3025. The clamping block 2011 is provided with a through slot corresponding to the limiting column 30212. After the limiting column 30212 is inserted into the through hole 3025-1 from the through slot, one side of the limiting column 30212 is in contact with the end surface of the second moving groove 2011-4, and the other end of the limiting column 30212 protrudes from the surface of the clamping block 2011.

[0060] When the clamping groove 2012 is clamped with the clamping block 2011, the other end of the limiting column 30212 is close to the inner wall of the clamping groove 2012, and the gap between the two is small. Through the cooperation of the limiting column 30212 and the through hole 3025-1, the rotation of the rotating disc 3025 is limited, so that the rotating disc 3025 can only move along the second moving groove 2011-4, but cannot rotate, thereby ensuring that the rotating column 3021 can further rotate under the action of the centrifugal force, and the compensation block 3011 is more closely attached to the inner wall of the clamping groove 2012.

[0061] After the limiting column 30212 is removed, the rotating disc 3025 can rotate, the position of the clamping block 2011 is adjusted, and the rotating disc 30213 is located at the upper position. At this time, under the action of gravity, the gravity block 3028 will move downward and drive the rotating disc 3025 to move. At this time, the sliding block 3026 will slide along the spiral groove 3021-1. Since the threaded column 3022 does not actively rotate at this time, under the action of the sliding block 3026, the rotating disc 3025 will rotate and return to the initial position.

[0062] Specifically, the compensation block 3011 is fixed with an extension plate 3013 on one side, the extension plate 3013 is fixed with a second spring 3014 on one side, the clamping block 2011 is provided with a groove corresponding to the extension plate 3013, and the other end of the second spring 3014 is fixed with the groove. Through the cooperation of the extension plate 3013 and the groove, it is ensured that the compensation block 3011 will not be separated from the first moving groove 2011-1, and at the same time, the second spring 3014 exerts a pushing force on the extension plate 3013, so as to ensure that the end surface of the compensation block 3011 is flush with the end surface of the clamping block 2011 in the initial state.

[0063] In use, the clamping block 2011 is aligned and clamped with the clamping groove 2012, the sleeve shell 1011 is sleeved with the shaft sleeve 1022, the sleeve shell 1011 and the shaft sleeve 1022 are fixed by using bolts, and the servo motor 102 is started to drive the clamping block 2011 to rotate. Under the action of centrifugal force, the gravity block 3028 will move to the edge of the clamping block 2011, thereby driving the disc 3025 and the cylindrical sleeve 3027 to move along the rotating column 3021 to the edge of the clamping block 2011. At this time, the sliding block 3026 will slide along the spiral groove 3021-1, so as to make the rotating column 3021 further rotate, and the threaded column 3022 will rotate synchronously with the rotating column 3021, so as to make the moving block 3024 continue to move to the direction close to the push plate 3012, make the push plate 3012 move, and drive the compensation block 3011 to be more closely attached to the inner wall of the clamping groove 2012, so as to ensure the stability of the torque and rotational speed transmission of the clamping block 2011 and the clamping groove 2012.

[0064] After a long time of use, if there is a gap between the clamping block 2011 and the clamping groove 2012, the sleeve shell 1011 and the shaft sleeve 1022 are disassembled, the clamping block 2011 and the clamping groove 2012 are separated, the limiting column 30212 is removed, the disc 3025 can rotate, the position of the clamping block 2011 is adjusted, the disc 3025 is located at the upper position, at this time, under the action of gravity, the gravity block 3028 will move downward and drive the disc 3025 to move, at this time, the sliding block 3026 will slide along the spiral groove 3021-1. Due to the fact that the threaded column 3022 will not actively rotate at this time, under the action of the sliding block 3026, the disc 3025 will rotate and return to the initial position.

[0065] Then the rotating disc 30213 is rotated, the rotating disc 30213 drives the rotating shaft 3023 and the threaded column 3022 to rotate synchronously, the moving block 3024 moves along the direction of the threaded column 3022, the moving block 3024 will press the inclined surface of the push plate 3012, so as to make the push plate 3012 move, thereby driving the compensation block 3011 to move along the first moving groove 2011-1 to the outside of the clamping block 2011, protruding from the surface of the clamping block 2011, so as to fill the gap.

[0066] After the adjustment is completed, the limiting column 30212 is inserted into the through hole 3025-1 to limit the rotation of the disc 3025, and then the clamping groove 2012 is clamped with the clamping block 2011 to connect the sleeve 1011 and the shaft sleeve 1022 again.

[0067] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A high-precision servo tubular motor, characterized by: The utility model relates to a kind of servo motor positioner, including, Main body assembly (100), including planetary reduction mechanism (101), one side of the planetary reduction mechanism (101) is movably connected with servo motor (102), and one side of the servo motor (102) is provided with electronic limit mechanism (103); Transmission assembly (200) is located one side of the planetary reduction mechanism (101), including transmission part (201), the transmission part (201) includes the clamping block (2011) being set to one side of the servo motor (102), and one side of the planetary reduction mechanism (101) is provided with clamping groove (2012); Compensation assembly (300) is set in the clamping block (2011), including compensation part (301), one side of the compensation part (301) is provided with adjusting part (302), the clamping block (2011) is opened with first mobile slot (2011-1), and the compensation part (301) includes compensation block (3011) sliding in the first mobile slot (2011-1), and one side of the compensation block (3011) is fixed with push plate (3012).

2. The high precision servo tubular motor of claim 1, wherein: The planetary reduction mechanism (101) includes sleeve shell (1011), the sleeve shell (1011) is provided with reduction component (1012) in, the servo motor (102) includes motor shaft (1021), the motor shaft (1021) is provided with shaft sleeve (1022) outside, and the sleeve shell (1011) is inserted in the shaft sleeve (1022).

3. A high precision servo tubular motor as claimed in claim 1 or 2, characterized in that: The clamping block (2011) is opened with cylindrical groove (2011-2) in, the adjusting part (302) includes rotating column (3021) being connected to the inside of the cylindrical groove (2011-2) with bearing, one side of the rotating column (3021) is fixed with threaded column (3022), one side of the threaded column (3022) is fixed with rotating shaft (3023), the threaded column (3022) is provided with moving block (3024) outside the sleeve, the clamping block (2011) is opened with rectangular slot (2011-3), and the moving block (3024) is sliding in the rectangular slot (2011-3).

4. The high precision servo tubular motor of claim 3, wherein: One end of the push plate (3012) is inclined, and the moving block (3024) can be contacted with the inclined surface of the push plate (3012).

5. The high precision servo tubular motor of claim 4, wherein: The rotating column (3021) is provided with disc (3025) outside the sleeve, the rotating column (3021) is opened with helical groove (3021-1) on, and the helical groove (3021-1) is slidably provided with sliding block (3026) in.

6. The high precision servo tubular motor of claim 5, wherein: One end of the disc (3025) is fixed with cylindrical sleeve (3027), the cylindrical sleeve (3027) is provided with gravity block (3028) in, the clamping block (2011) is opened with second mobile slot (2011-4), and the disc (3025) and the cylindrical sleeve (3027) can be slid in the second mobile slot (2011-4).

7. A high precision servo tubular motor as claimed in claim 5 or 6, characterized in that: The card block (2011) is fixed with a fixed block (3029), the fixed block (3029) is internally provided with a sliding groove (3029-1), the fixed block (3029) is provided with a locking block (30210), and the rotating shaft (3023) is provided with a locking groove (3023-1).

8. The high precision servo tubular motor of claim 7, wherein: One end of the locking block (30210) is fixedly provided with a first spring (30211), and the number of the locking grooves (3023-1) is multiple.

9. The high precision servo tubular motor of claim 8, wherein: The disc (3025) is provided with a through hole (3025-1), and the through hole (3025-1) is inserted with a limiting column (30212).

10. A high precision servo tubular motor as claimed in claim 8 or 9, characterized in that: One side of the compensation block (3011) is fixedly provided with an extension plate (3013), and one side of the extension plate (3013) is fixedly provided with a second spring (3014).

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