A high-precision stepping positioning control motor

By installing a bearing sleeve on the outer surface of the rotation shaft of the stepper motor for stable rotation and using the pull plate to adjust the motor height, the accuracy reduction caused by wear of the stepper motor is solved, and higher rotation accuracy and convenient positioning and installation are achieved.

CN222706356UActive Publication Date: 2025-04-01苏州轻工电机厂有限公司
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Patent Information

Application Number
CN202421422041.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-01
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

After the stepper motor is used for a period of time, due to the wear of the coil and core, the rotation shaft shakes when it rotates, and the accuracy decreases.

Method used

By socketing bearing sleeve 1 and bearing sleeve 2 on the outer surface of the motor rotation shaft, a stable rotation mechanism is formed to avoid shaking, and adjusting the installation height of the motor body by pulling the plate and supporting plate to achieve positioning and installation.

Benefits of technology

It effectively improves the accuracy of the motor rotation shaft, avoids shaking problems caused by wear, and simplifies the positioning and installation process of the motor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of motors, and specifically, to a high-precision stepping positioning control motor, including a motor body, wherein a stabilizing mechanism is arranged inside the motor body, wherein the stabilizing mechanism includes a bearing sleeve 1, wherein a connecting sleeve is fixedly installed at one end of the bearing sleeve 1, and a bearing sleeve 2 is installed at the other end of the connecting sleeve, and a fixing assembly is installed on the outer surface of the connecting sleeve, and a rotating shaft is installed inside the bearing sleeve 1 and the bearing sleeve 2, and the bearing sleeve 1 and the bearing sleeve 2 are fixed in position by the fixing assembly, and the rotation amplitude is stabilized on the outer surface of the rotating shaft. In this embodiment, the bearing sleeve 2 is installed at the output end of the motor rotating shaft, and the motor is worn out after long-term operation, which causes the motor rotating shaft to shake when rotating, and the precision is reduced. The bearing sleeve 1 and the bearing sleeve 2 are sleeved on the outer surface of the rotating shaft, so that the rotating shaft can avoid shaking when rotating, thereby achieving the effect of improving the rotation precision of the motor rotating shaft.
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Description

Technical Field

[0001] The utility model relates to the technical field of motors, and more specifically to a high-precision stepping positioning control motor. Background Art

[0002] A stepper motor is a discrete value controlled motor that converts an electrical pulse excitation signal into a corresponding angular displacement or linear displacement. This type of motor moves one step for every input of an electrical pulse, so it is also called a pulse motor.

[0003] The stepper motor is composed of an iron core, a coil, a gear mechanism, etc. When the solenoid coil is energized, it will generate magnetic force to push the iron core to move. After the motor has been used for a period of time, the coil and the iron core will wear out, the motor head will shake when it rotates, and the accuracy of the rotation amplitude will decrease. Therefore, a mechanism that can stabilize the rotation of the rotor is needed to improve the accuracy of the motor.

[0004] In view of this, the utility model provides a high-precision stepping positioning control motor. Utility Model Content

[0005] The purpose of the utility model is to solve the above-mentioned shortcomings and provide a high-precision stepping positioning control motor which can stabilize the rotation of the rotary head.

[0006] Use bearing sleeve 1, connecting sleeve and bearing sleeve 2 to ensure stable rotation of the motor shaft, and at the same time pull the plate up and down to stretch and adjust the installation height of the motor body.

[0007] Therefore, the utility model provides a high-precision stepping positioning control motor, which includes a motor body, a stabilizing mechanism is arranged inside the motor body, and a positioning mechanism is arranged outside the motor body;

[0008] The stabilizing mechanism comprises a bearing sleeve 1, a connecting sleeve is fixedly mounted on one end of the bearing sleeve 1, a bearing sleeve 2 is mounted on the other end of the connecting sleeve, a fixing component is mounted on the outer surface of the connecting sleeve, a rotating shaft is mounted inside the bearing sleeve 1 and the bearing sleeve 2, the bearing sleeve 1 and the bearing sleeve 2 are fixed in position by the fixing component, and the rotation amplitude is stabilized on the outer surface of the rotating shaft;

[0009] The positioning mechanism includes a mounting plate, a pulling plate is installed inside the mounting plate, a support plate is fixedly installed at the bottom of the pulling plate, the pulling plate is pulled up and down in a groove opened at the top of the mounting plate to adjust the installation height of the motor body, and a limiting component is provided on the outer surface of the mounting plate, and the limiting component limits and fixes the pulling plate.

[0010] As a further improvement of the technical solution, the motor body includes a shell, and a connecting plate is fixedly installed on the outer surface of the shell, and the connecting plate fixes the mounting plate.

[0011] As a further improvement of the technical solution, the fixing assembly includes an annular sleeve, a plurality of connecting rods are fixedly mounted on the inner wall of the annular sleeve, and the bottoms of the plurality of connecting rods are fixedly mounted on the outer surface of the connecting sleeve.

[0012] As a further improvement of the technical solution, the limiting assembly includes a threaded column, which passes through the mounting plate and extends to the outer surface of the pulling plate.

[0013] As a further improvement of the technical solution, an installation groove is provided on the inner wall of the shell, and the installation groove is used to limit the installation of the annular sleeve.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the high-precision stepping positioning control motor, an annular sleeve is installed inside the motor housing, so that multiple connecting rods can be installed and fixed on the annular sleeve at one end, and the other end is connected and installed on the outer surface of the connecting sleeve, so that the connecting sleeve is sleeved on the outer surface of the rotating shaft, and bearing sleeve 1 and bearing sleeve 2 are distributed and installed at both ends of the connecting sleeve, so that bearing sleeve 2 is installed at the output end of the motor rotating shaft. The motor wears out after long-term operation, causing the motor rotating shaft to shake when rotating and the accuracy is reduced. By sleeve-connecting bearing sleeve 1 and bearing sleeve 2 on the outer surface of the rotating shaft, the rotating shaft can be prevented from shaking when rotating, thereby achieving the effect of improving the rotation accuracy of the motor rotating shaft.

[0016] 2. In the high-precision stepper positioning control motor, a pulling plate is installed in a notch of a mounting plate, so that the pulling plate can drive a support plate fixed at the bottom to pull up and down to adjust the height, and a threaded column is threadedly installed on the side of the mounting plate, and the threaded column can penetrate the mounting plate and rest against the outer surface of the pulling plate to limit and fix the pulling plate after the pulling adjustment. A threaded hole is provided on the supporting plate, and the supporting plate can be fixed and installed by bolts, and the motor body can be positioned and installed to adjust the height. A placement groove is provided at the bottom of the mounting plate, and when the pulling plate is not needed for installation, the support plate can be retracted into the placement groove at the bottom of the mounting plate to be hidden, and the motor body can be installed and positioned through the threaded holes provided on the mounting plate, so as to achieve the effect of adjusting the height of the motor body and positioning it. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is described in more detail below by way of example with reference to the accompanying drawings, in which:

[0018] Figure 1 It is a three-dimensional schematic diagram of the stabilizing mechanism of the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of the stabilizing mechanism of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the positioning mechanism of the utility model;

[0021] Figure 4 It is a three-dimensional schematic diagram of the utility model.

[0022] The meanings of the numbers in the figure are as follows: 1. Motor body; 101. Shell; 102. Connecting plate; 2. Stabilizing mechanism; 201. Bearing sleeve one; 202. Connecting sleeve; 203. Bearing sleeve two; 204. Fixing assembly; 2041. Annular sleeve; 2042. Connecting rod; 205. Rotating shaft; 3. Positioning mechanism; 301. Mounting plate; 302. Pulling plate; 303. Support plate; 304. Limiting assembly; 3041. Threaded column; 4. Mounting groove. DETAILED DESCRIPTION

[0023] The stepper motor is composed of an iron core, a coil, a gear mechanism, etc. When the solenoid coil is energized, it will generate magnetic force to push the iron core to move. After the motor has been used for a period of time, the coil and the iron core will wear out, the motor head will shake when it rotates, and the accuracy of the rotation amplitude will decrease. Therefore, a mechanism that can stabilize the rotation of the rotor is needed to improve the accuracy of the motor.

[0024] like Figure 1-2 As shown, the device includes a motor body 1, a stabilizing mechanism 2 is provided inside the motor body 1, and a positioning mechanism 3 is provided outside the motor body 1. The stabilizing mechanism 2 can stabilize the rotation of the motor rotating shaft 205 when it rotates, thereby improving the rotation accuracy of the motor, and the positioning mechanism 3 can adjust the installation height of the motor body 1, making it more convenient to install and position the motor body 1.

[0025] First, the specific structure of the stabilizing mechanism 2 is disclosed. The stabilizing mechanism 2 includes a bearing sleeve 1 201, a connecting sleeve 202 is fixedly installed at one end of the bearing sleeve 1 201, a bearing sleeve 203 is installed at the other end of the connecting sleeve 202, a fixing assembly 204 is installed on the outer surface of the connecting sleeve 202, a rotating shaft 205 is installed inside the bearing sleeve 1 201 and the bearing sleeve 203, the bearing sleeve 1 201 and the bearing sleeve 203 are fixed in position by the fixing assembly 204, and the rotation amplitude is stabilized on the outer surface of the rotating shaft 205. The fixing assembly 204 includes an annular sleeve 2041, a plurality of connecting rods 2042 are fixedly installed on the inner wall of the annular sleeve 2041, and the bottoms of the plurality of connecting rods 2042 are fixedly installed on the outer surface of the connecting sleeve 202.

[0026] The annular sleeve 2041 is installed inside the motor housing 101, so that multiple connecting rods 2042 can be installed and fixed on the annular sleeve 2041 at one end, and connected and installed on the outer surface of the connecting sleeve 202 at the other end, so that the connecting sleeve 202 is sleeved on the outer surface of the rotating shaft 205, and the two ends of the connecting sleeve 202 are distributed and installed with bearing sleeve 1 201 and bearing sleeve 203, so that the bearing sleeve 203 is installed at the output end of the motor rotating shaft 205. The motor wears out after working for a long time, causing the motor rotating shaft 205 to shake when rotating and the accuracy is reduced. The outer surface of the rotating shaft 205 is sleeved with bearing sleeve 1 201 and bearing sleeve 2 203, which can prevent the rotating shaft 205 from shaking during rotation, thereby achieving the effect of improving the rotation accuracy of the motor rotating shaft 205.

[0027] The improvement of this embodiment is that through the structure of bearing sleeve 1 201, connecting sleeve 202 and bearing sleeve 203, the effect of stable rotation of the motor rotating shaft 205 is achieved, solving the problem of wear and shaking of the motor rotating shaft 205 existing in the prior art.

[0028] Since the motor base in the prior art cannot be adjusted in height, the motor positioning and installation is inconvenient. Figure 3 A second embodiment of the present utility model is shown.

[0029] The specific structure of the positioning mechanism 3 is disclosed again. The positioning mechanism 3 includes a mounting plate 301, a pulling plate 302 is installed inside the mounting plate 301, a supporting plate 303 is fixedly installed at the bottom of the pulling plate 302, the pulling plate 302 is pulled up and down in the notch opened at the top of the mounting plate 301 to adjust the installation height of the motor body 1, and a limiting component 304 is provided on the outer surface of the mounting plate 301, and the limiting component 304 limits and fixes the pulling plate 302. The limiting component 304 includes a threaded column 3041, and the threaded column 3041 passes through the mounting plate 301 and extends to the outer surface of the pulling plate 302.

[0030] The pulling plate 302 is installed in the notch of the mounting plate 301, so that the pulling plate 302 can drive the supporting plate 303 fixedly installed at the bottom to pull up and down to adjust the height, and the threaded column 3041 is threadedly installed on the side of the mounting plate 301, and the threaded column 3041 can penetrate the mounting plate 301 and rest on the outer surface of the pulling plate 302, so as to limit and fix the pulling plate 302 after pulling and adjustment, and a threaded hole is provided on the supporting plate 303, and the supporting plate 303 can be fixedly installed by bolts, and the motor body 1 can be adjusted and positioned for installation. A placement groove is provided at the bottom of the mounting plate 301, and when the pulling plate 302 is not needed for installation, the supporting plate 303 can be retracted into the placement groove at the bottom of the mounting plate 301 for hiding by pulling the pulling plate 302, and the motor body 1 can be installed and positioned through the threaded hole provided on the mounting plate 301, so as to achieve the effect of adjusting the height of the motor body 1 and positioning it.

[0031] The improvement of this embodiment is that: through the structure of the pulling plate 302, the pulling plate 302 can be stretched up and down to adjust the installation height of the motor body 1, which solves the problem of inconvenient positioning and installation of the motor in the prior art.

[0032] Considering the problem of how to install the fixing assembly 204 and the mounting plate 301 in the first and second embodiments, Figure 1-Figure 4 The present embodiment is specifically shown as follows: the motor body 1 includes a housing 101, a connecting plate 102 is fixedly mounted on the outer surface of the housing 101, the connecting plate 102 is fixedly mounted on the mounting plate 301, and a mounting groove 4 is provided on the inner wall of the housing 101, the mounting groove 4 is used to position the annular sleeve 2041. By providing the mounting groove 4 on the inner wall of the motor housing 101, the annular sleeve 2041 can be clamped and fixed, and four connecting plates 102 are fixedly mounted on the outer surface of the motor housing 101, so that the four connecting plates 102 can be connected and fixed to the mounting plate 301.

[0033] In summary, the working principle of this solution is as follows:

[0034] The annular sleeve 2041 is installed inside the motor housing 101, so that one end of a plurality of connecting rods 2042 can be fixed on the annular sleeve 2041, and the other end is connected and installed on the outer surface of the connecting sleeve 202, so that the connecting sleeve 202 is sleeved on the outer surface of the rotating shaft 205, and the two ends of the connecting sleeve 202 are distributed and installed with a bearing sleeve 1 201 and a bearing sleeve 203, so that the bearing sleeve 203 is installed on the output end of the motor rotating shaft 205. The motor wears out after working for a long time, causing the motor rotating shaft 205 to shake when rotating, and the precision is reduced. The outer surface of the rotating shaft 205 is sleeved with the bearing sleeve 1 201 and the bearing sleeve 203, so that the rotating shaft 205 can avoid shaking when rotating, so as to achieve the effect of improving the rotation precision of the motor rotating shaft 205;

[0035] The pulling plate 302 is installed in the notch of the mounting plate 301, so that the pulling plate 302 can drive the supporting plate 303 fixedly installed at the bottom to pull up and down to adjust the height, and the threaded column 3041 is threadedly installed on the side of the mounting plate 301, and the threaded column 3041 can penetrate the mounting plate 301 and rest on the outer surface of the pulling plate 302, so as to limit and fix the pulling plate 302 after pulling and adjustment, and a threaded hole is provided on the supporting plate 303, and the supporting plate 303 can be fixedly installed by bolts, and the motor body 1 can be adjusted and positioned for installation. A placement groove is provided at the bottom of the mounting plate 301, and when the pulling plate 302 is not needed for installation, the supporting plate 303 can be retracted into the placement groove at the bottom of the mounting plate 301 for hiding by pulling the pulling plate 302, and the motor body 1 can be installed and positioned through the threaded hole provided on the mounting plate 301, so as to achieve the effect of adjusting the height of the motor body 1 and positioning it.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-precision stepper positioning control motor, characterized in that: At least comprising a motor body (1), a stabilizing mechanism (2) being arranged inside the motor body (1), and a positioning mechanism (3) being arranged outside the motor body (1); The stabilizing mechanism (2) comprises a bearing sleeve 1 (201), a connecting sleeve (202) being fixedly mounted on one end of the bearing sleeve 1 (201), a bearing sleeve 2 (203) being mounted on the other end of the connecting sleeve (202), a fixing assembly (204) being mounted on the outer surface of the connecting sleeve (202), a rotating shaft (205) being mounted inside the bearing sleeve 1 (201) and the bearing sleeve 2 (203), the bearing sleeve 1 (201) and the bearing sleeve 2 (203) being fixed in position by the fixing assembly (204), and the rotation amplitude of the rotating shaft (205) being stabilized on the outer surface of the rotating shaft (205); The positioning mechanism (3) comprises a mounting plate (301), a pulling plate (302) is installed inside the mounting plate (301), a supporting plate (303) is fixedly installed at the bottom of the pulling plate (302), the pulling plate (302) is pulled up and down in a slot provided at the top of the mounting plate (301) to adjust the installation height of the motor body (1), and a limiting component (304) is provided on the outer surface of the mounting plate (301), and the limiting component (304) limits and fixes the pulling plate (302).

2. The high-precision stepping positioning control motor according to claim 1, characterized in that: The motor body (1) comprises a housing (101), a connecting plate (102) being fixedly mounted on the outer surface of the housing (101), and the connecting plate (102) is used to fix the mounting plate (301).

3. The high-precision stepping positioning control motor according to claim 1, characterized in that: The fixing assembly (204) comprises an annular sleeve (2041), a plurality of connecting rods (2042) being fixedly mounted on the inner wall of the annular sleeve (2041), and the bottoms of the plurality of connecting rods (2042) being fixedly mounted on the outer surface of the connecting sleeve (202).

4. The high-precision stepping positioning control motor according to claim 1, characterized in that: The limiting assembly (304) comprises a threaded column (3041), and the threaded column (3041) penetrates the mounting plate (301) and extends to the outer surface of the pulling plate (302).

5. The high-precision stepping positioning control motor according to claim 2, characterized in that: The inner wall of the shell (101) is provided with a mounting groove (4), and the mounting groove (4) is used to limit the installation of the annular sleeve (2041).