Multi-turn encoder device for servo motor

Abstract

The utility model provides a multi-turn encoder device for a servo motor, and relates to the technical field of multi-turn encoders, the multi-turn encoder device comprises a multi-turn encoder main body and a fixing ring mounted on the multi-turn encoder main body, the fixing ring is rotatably provided with a plurality of mounting plates, the mounting plates are provided with long openings, and the long openings are arranged on the fixing ring. And a fastener is arranged between the mounting plate and the fixing ring and is used for fixing the mounting plate. Through the rotatably arranged mounting plate and the rotary design of the mounting plate, a user can finely adjust the mounting plate according to the actual situation of the motor, it is ensured that the long opening can be aligned with the mounting hole position in the motor, then the use requirements of motors of different sizes are met, and the use flexibility of the motor fixing device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to multi -turn encoder technical field, specifically, relate to a kind of multi -turn encoder device for servo motor. BACKGROUND

[0002] In servo motor control system, encoder is as key position or speed feedback element, its accurate installation is crucial to ensure the accuracy and stability of motor operation, the mounting plate of encoder in traditional encoder device is usually with fixed design, and this fixed design mounting plate lacks flexibility when facing different size motors. Therefore we make improvement, and propose a kind of multi -turn encoder device for servo motor. SUMMARY

[0003] The utility model is directed to: the problem that fixed design mounting plate lacks flexibility when facing different size motors.

[0004] In order to realize the above-mentioned utility model purposes, the utility model provides a kind of multi -turn encoder device for servo motor to improve the above-mentioned problem.

[0005] The application is as follows:

[0006] A kind of multi -turn encoder device for servo motor, including multi -turn encoder main body and the fixed ring of being installed on multi -turn encoder main body, the rotatable arrangement of several installation plates is provided on the fixed ring, long-shaped mouth is opened in the installation plate, and fastener is arranged between installation plate and fixed ring, and fastener is used for the fixation of installation plate.

[0007] As the preferred technical scheme of the present application, several installation plates are evenly distributed in the form of ring around the fixed ring.

[0008] As the preferred technical scheme of the present application, the number of installation plates is at least two, and evenly distributed on the circumference of fixed ring.

[0009] As the preferred technical scheme of the present application, the fastener includes tooth-shaped slot opened in the fixed ring, the limit gear is inserted into the inner wall of tooth-shaped slot, the end of limit gear away from fixed ring is fixedly connected with connecting seat, and the end of connecting seat is fixedly connected with installation plate.

[0010] As the preferred technical scheme of the present application, second threaded hole is opened in the fixed ring, and second threaded hole is located at the center of tooth-shaped slot, through hole is opened between limit gear and connecting seat, second fixing bolt is connected through through hole, and the end of second fixing bolt is screw-connected with second threaded hole.

[0011] As a preferred technical scheme of the present application, the fixed ring is fixedly connected with the multi-turn encoder body.

[0012] As a preferred technical scheme of the present application, the fixed ring is fixedly connected with the multi-turn encoder body.

[0013] As a preferred technical scheme of the present application, the connecting piece comprises a first threaded hole arranged on the multi-turn encoder body and a first fixing bolt inserted and connected on the fixed ring, and the first fixing bolt is threadedly connected with the inner wall of the first threaded hole.

[0014] As a preferred technical scheme of the present application, the surface of the first fixing bolt and the second fixing bolt is provided with a zinc plating layer.

[0015] As a preferred technical scheme of the present application, the surface of the first fixing bolt and the second fixing bolt is provided with a zinc plating layer.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] In the scheme of the present application:

[0018] In order to solve the problem of lack of flexibility of the fixed installation plate in the prior art when facing different sizes of motors, the present application provides a rotatable installation plate, which can be adjusted according to the actual situation of the motor, so as to ensure that the long-shaped hole can be aligned with the installation hole on the motor, thereby meeting the use requirements of different sizes of motors and improving the flexibility of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure schematic view of the multi-turn encoder device for the servo motor provided by the present application is shown in the figure;

[0020] Figure 2 The structure schematic view of the first threaded hole of the multi-turn encoder device for the servo motor provided by the present application is shown in the figure;

[0021] Figure 3 The structure schematic view of the tooth-shaped groove of the multi-turn encoder device for the servo motor provided by the present application is shown in the figure;

[0022] Figure 4 The structure schematic view of the Figure 3 The bottom structure schematic view of the present application is shown in the figure;

[0023] Figure 5 The top structure schematic view of the multi-turn encoder device for the servo motor provided by the present application is shown in the figure.

[0024] Indicated in the figure:

[0025] 1, Multi-turn encoder body; 101, First threaded hole; 2, Fixed ring; 201, Mounting plate; 202, Long-shaped mouth; 203, First fixing bolt; 204, Tooth-shaped groove; 205, Second threaded hole; 206, Limiting gear; 207, Connecting seat; 208, Second fixing bolt; 209, Through hole. DETAILED DESCRIPTION

[0026] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0027] It should be noted that the embodiments and features and technical solutions in the embodiments in the present application can be combined with each other without conflict.

[0028] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0029] Embodiment 1, please refer to Figures 1-5 A multi-turn encoder device for a servo motor, comprising a multi-turn encoder body 1 and a fixed ring 2 mounted on the multi-turn encoder body 1, a plurality of mounting plates 201 are rotatably arranged on the fixed ring 2, a long-shaped mouth 202 is formed on the mounting plate 201, and a fastener is arranged between the mounting plate 201 and the fixed ring 2, the fastener is used for fixing the mounting plate 201, through the rotatably arranged mounting plate 201, through the rotational design of the mounting plate 201, the user can fine-tune the mounting plate 201 according to the actual situation of the motor, ensure that the long-shaped mouth 202 can be aligned with the mounting hole position on the motor, and then meet the use requirement of different size motors, improve the flexibility of the use of the present application.

[0030] Further, the plurality of mounting plates 201 are evenly distributed in a ring shape around the fixed ring 2.

[0031] Further, the number of mounting plates 201 is at least two, and they are evenly distributed on the circumference of the fixed ring 2, so as to improve the stability and flexibility of the installation of the present application

[0032] Further, the fastener comprises a tooth-shaped groove 204 formed on the fixing ring 2, the inner wall of the tooth-shaped groove 204 is inserted with a limiting gear 206, one end of the limiting gear 206 away from the fixing ring 2 is fixedly connected with a connecting seat 207, the connecting seat 207 is fixedly connected with the end of the mounting plate 201, the rotation of the connecting seat 207 can be limited through the cooperation of the tooth-shaped groove 204 and the limiting gear 206, thereby the rotation of the mounting plate 201 can be limited, and the stability of the mounting plate 201 is improved.

[0033] The insertion structure of the tooth-shaped groove 204 and the limiting gear 206 will limit the rotation angle of the mounting plate 201 to the tooth-shaped interval, so that the angle of the mounting plate 201 cannot be adjusted steplessly when rotating, therefore, the application sets the elongated opening 202, when there is a slight deviation between the rotation angle of the mounting plate 201 and the mounting hole position of the servo motor, the bolt can move in the elongated opening 202, ensuring the connection between the bolt and the mounting hole position of the servo motor.

[0034] Further, the fixing ring 2 is formed with a second threaded hole 205 at the center of the tooth-shaped groove 204, a through hole 209 is formed between the limiting gear 206 and the connecting seat 207, the second fixing bolt 208 is inserted through the through hole 209, the end of the second fixing bolt 208 is screwed with the second threaded hole 205, and the limiting gear 206 can be fixed in the tooth-shaped groove 204 through the cooperation of the second fixing bolt 208, the through hole 209 and the second threaded hole 205, and the mounting plate 201 can be rotated by pulling the limiting gear 206 upward to separate the limiting gear 206 from the tooth-shaped groove 204 after unscrewing the second fixing bolt 208.

[0035] Embodiment 2, the multi-turn encoder device for the servo motor provided in embodiment 1 is further optimized, specifically, the fixing ring 2 is fixedly connected with the multi-turn encoder main body 1, and the fixed connection can improve the firmness of the structure.

[0036] Embodiment 3, the multi-turn encoder device for the servo motor provided in embodiment 1 is further optimized, specifically, the fixing ring 2 is detachably connected with the multi-turn encoder main body 1, and a connecting piece is arranged between the fixing ring 2 and the multi-turn encoder main body 1.

[0037] Further, the connecting piece comprises a first threaded hole 101 arranged on the multi-turn encoder main body 1 and a first fixing bolt 203 inserted through the fixing ring 2, the first fixing bolt 203 is screwed with the inner wall of the first threaded hole 101, and the fixing ring 2 can be fixed on the multi-turn encoder main body 1 through the cooperation of the first fixing bolt 203 and the first threaded hole 101.

[0038] In the embodiment 4, the anti-skid pattern is arranged on the side of the mounting plate 201 away from the fixed ring 2, so that the friction between the mounting plate 201 and the bolt is increased when the bolt is used to fix the mounting plate 201 to the servo motor, and the stability of the bolt in fixing the mounting plate 201 is improved.

[0039] Further, the surfaces of the first fixing bolt 203 and the second fixing bolt 208 are provided with zinc plating layers, so that the rust-proof capability of the first fixing bolt 203 and the second fixing bolt 208 is improved.

[0040] The second fixing bolt 208 is loosened, the connecting seat 207 is pulled to separate the limiting gear 206 from the toothed groove 204, the mounting plate 201 is rotated to adjust the angle of the mounting plate 201 according to the actual situation, the limiting gear 206 is inserted into the toothed groove 204 again and the second fixing bolt 208 is tightened to fix the mounting plate 201, and then the bolt is used to pass through the elongated opening 202 and is connected with the mounting hole on the servo motor to realize the installation.

[0041] In the utility model, unless another definite provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and the like terms should be understood in a broad sense, for example, can be fixed connection, can be detachable connection, or be integrated, can be mechanical connection, or electrical connection or can communicate with each other, can be directly connected, or indirectly connected through intermediate medium, can be the communication or interaction of two elements, unless another definite limitation. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] Obviously, the above-described embodiments are only part of the embodiments of the utility model, not all the embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model. The utility model can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacement to part of the technical features. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection range of the utility model.

Claims

1. A multi-turn encoder arrangement for a servo motor, characterized by The application relates to a multi-turn encoder body (1) and a fixing ring (2) mounted on the multi-turn encoder body (1), wherein a plurality of mounting plates (201) are rotatably arranged on the fixing ring (2), a long-shaped opening (202) is arranged on the mounting plate (201), and a fastener is arranged between the mounting plate (201) and the fixing ring (2) and used for fixing the mounting plate (201).

2. A multi-turn encoder apparatus for a servo motor according to claim 1, wherein The plurality of mounting plates (201) are annularly and uniformly distributed around the fixing ring (2).

3. A multi-turn encoder apparatus for a servo motor according to claim 2, wherein The number of the mounting plates (201) is at least two, and the mounting plates (201) are uniformly distributed around the fixing ring (2).

4. A multi-turn encoder apparatus for a servo motor according to claim 3, wherein The fastener comprises a tooth-shaped groove (204) arranged on the fixing ring (2), a limiting gear (206) inserted into the inner wall of the tooth-shaped groove (204), a connecting seat (207) fixedly connected to one end of the limiting gear (206) away from the fixing ring (2), and the connecting seat (207) is fixedly connected with the end of the mounting plate (201).

5. A multi-turn encoder apparatus for a servo motor according to claim 4, wherein, A second threaded hole (205) is arranged on the fixing ring (2) and located at the center of the tooth-shaped groove (204), a through hole (209) is arranged between the limiting gear (206) and the connecting seat (207), the second fixing bolt (208) is inserted into the through hole (209), and the end of the second fixing bolt (208) is screwed with the second threaded hole (205).

6. A multi-turn encoder apparatus for a servo motor according to claim 5, wherein, The fixing ring (2) is fixedly connected with the multi-turn encoder body (1).

7. A multi-turn encoder apparatus for a servo motor according to claim 5, wherein The fixing ring (2) is detachably connected with the multi-turn encoder body (1), and a connecting piece is arranged between the fixing ring (2) and the multi-turn encoder body (1).

8. A multi-turn encoder apparatus for a servo motor according to claim 7, wherein The connecting piece comprises a first threaded hole (101) arranged on the multi-turn encoder body (1) and a first fixing bolt (203) inserted into the fixing ring (2), and the first fixing bolt (203) is screwed with the inner wall of the first threaded hole (101).

9. A multi-turn encoder apparatus for a servo motor according to claim 6 or 8, wherein The mounting plate (201) is provided with an anti-skid pattern on the side away from the fixing ring (2).

10. A multi-turn encoder apparatus for a servo motor according to claim 8, wherein, The surfaces of the first fixing bolt (203) and the second fixing bolt (208) are provided with a zinc plating layer.

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