Servo motor encoder bracket

Abstract

The utility model provides a servo motor encoder bracket, which belongs to the field of motor technology. It solves the problem of poor stability of existing servo motors. In the utility model, the servo motor includes a rear end cover, and the encoder bracket includes a base that is annular and pressed and fixed on the rear side of the rear end cover, and the base has an L-shaped baffle outside the base, the front end of the baffle is arranged opposite to the outer side of the base, and the front end of the baffle is close to the rear side of the rear end cover, the rear end of the baffle is arranged on the outer wall of the base, and a clamping area is formed between the baffle, the base and the rear side of the rear end cover. The servo motor encoder bracket has good stability.

Description

Technical Field

[0001] The utility model belongs to the technical field of motors and relates to a servo motor, in particular to a servo motor encoder bracket. Background Art

[0002] A servo motor is an engine that controls the operation of mechanical components in a servo system. It is an auxiliary motor indirect speed change device.

[0003] An existing servo motor, such as a servo motor disclosed in the China Patent Library (application number: 201821838256.X), includes a body and a power line, a brake line and a signal line connected to the body. The body is provided with a power line sleeve assembly that is adapted to be aligned with the power line, and the body is also provided with an auxiliary line sleeve assembly that is respectively aligned with the brake line and the signal line.

[0004] In the above-mentioned servo motor, since the signal line has a certain length, in actual use, the signal line tends to swing upward and approach the brake line. After power is turned on, current interference will occur between the signal line and the brake line that are close to each other, affecting the working stability and performance of the servo motor. Utility Model Content

[0005] The utility model aims to solve the above problems in the prior art and proposes a servo motor encoder bracket which can enhance the running stability of the servo motor.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a servo motor encoder bracket, the servo motor includes a rear end cover, the encoder bracket includes a base in a circular shape and pressed and fixed on the rear side of the rear end cover, characterized in that an L-shaped baffle is provided outside the base, the front end of the baffle is arranged opposite to the outer side of the base, and the front end of the baffle is close to the rear side of the rear end cover, the rear end of the baffle is arranged on the outer wall of the base, and a clamping area is formed among the baffle, the base and the rear side of the rear end cover.

[0007] When in use, the signal line passes through the wire clamping area to effectively limit the signal line from swinging upward and approaching the brake line, thereby avoiding power-on current interference and improving the working stability and life of the servo motor at the same time.

[0008] In the above-mentioned servo motor encoder bracket, the rear end of the above-mentioned baffle is pressed on the rear end surface of the base to enhance the positioning strength of the baffle and stabilize the limit signal line.

[0009] In the above-mentioned servo motor encoder bracket, the baffle bar and the base are an integrated structure, so that the positioning of the baffle bar is more stable.

[0010] In the above-mentioned servo motor encoder bracket, the retaining bar and the base are made of plastic material and are formed in one go by injection molding, which is convenient for design and processing.

[0011] As another solution, in the above-mentioned servo motor encoder bracket, the rear end of the baffle is fixedly connected to the base by screws, and the axes of the screws and the base are arranged in parallel, that is, the baffle and the base are split structures, which can reduce the difficulty of processing and design.

[0012] In the above-mentioned servo motor encoder bracket, the encoder includes a circuit board, a circle of bumps is formed on the rear end surface of the base, the front side of the circuit board is pressed on the bumps, and each bump is fixed to the circuit board by bolts; the rear end of the baffle is clamped between the circuit board and the base. The two sides of the rear end of the baffle are respectively pressed against the circuit board and the base to further enhance the positioning strength of the baffle, so that the purpose of the limit signal line is achieved more stably.

[0013] In the above-mentioned servo motor encoder bracket, a circle of guide holes is also provided on the circuit board, the axes of the guide holes extend axially along the base, guide posts matching the guide holes are formed on the base, the number of guide posts and guide holes is the same, and each guide post is plugged into the corresponding guide hole; one of the guide posts is arranged on the baffle bar. The baffle bar is used for both limiting the signal line and carrying one of the guide posts, that is, in the present application, the baffle bar has a dual-purpose effect, so as to simplify the structure and facilitate design and processing.

[0014] Compared with the existing technology, this servo motor encoder bracket has the following advantages:

[0015] 1. When in use, the signal line passes through the wire clamping area to effectively limit the signal line from swinging upward and approaching the brake line, thereby avoiding the generation of current interference and improving the working stability and life of the servo motor.

[0016] 2. The two sides of the rear end of the baffle are pressed tightly against the circuit board and the base respectively to further strengthen the positioning strength of the baffle and achieve the purpose of the limit signal line more stably.

[0017] 3. The baffle is used to limit the signal line and to support one of the guide pillars. That is, in this application, the baffle has a dual purpose to simplify the structure and facilitate design and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a connection diagram of the rear end cover and the base.

[0019] Figure 2 It is a connection diagram of the circuit board and the base.

[0020] In the figure, 1, rear end cover; 2, base; 2a, bump; 2b, guide column; 3, baffle; 4, wire clamping area; 5, circuit board; 6, bolt. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments. Embodiment 1

[0022] like Figure 1 As shown, the servo motor includes a rear end cover 1, and the servo motor encoder bracket includes a base 2 in a circular shape and pressed and fixed on the rear side of the rear end cover 1, and the base 2 and the rear end cover 1 are coaxially arranged. In the actual product, a circle of connecting blocks is formed on the outer surface of the base 2, and the connecting blocks are pressed on the rear side of the rear end cover 1, and the connecting blocks are fixedly connected to the rear end cover 1 by screws, so as to stably position the base 2 on the rear end cover 1.

[0023] in,

[0024] like Figure 1 and Figure 2 As shown, the base 2 has an L-shaped baffle 3 on the outside, the front end of the baffle 3 is arranged opposite to the outer side of the base 2, and the front end of the baffle 3 is close to the rear side of the rear cover 1. The rear end of the baffle 3 is arranged on the outer wall of the base 2, and a clamping area 4 is formed between the baffle 3, the base 2 and the rear side of the rear cover 1.

[0025] When in use, the signal line passes through the line clamping area 4 to effectively limit the signal line from swinging upward and approaching the brake line, thereby avoiding the generation of current interference, thereby improving the working stability and life of the servo motor at the same time.

[0026] To further illustrate, the rear end of the baffle bar 3 is pressed against the rear end surface of the base 2 to enhance the positioning strength of the baffle bar 3 and stabilize the limit signal line.

[0027] In this embodiment, the baffle 3 and the base 2 are an integrated structure, so that the positioning of the baffle 3 is more stable. Preferably, the baffle 3 and the base 2 are made of plastic material and are formed in one go by injection molding, which is convenient for design and processing.

[0028] like Figure 2 As shown, the encoder includes a circuit board 5, a circle of protrusions 2a is formed on the rear end surface of the base 2, the front side of the circuit board 5 is pressed on the protrusions 2a, and each protrusion 2a is fixedly connected to the circuit board 5 by bolts 6. The installation method of the bolts 6 is existing and will not be described in detail here. The rear end of the baffle 3 is clamped between the circuit board 5 and the base 2, that is, the two sides of the rear end of the baffle 3 are respectively pressed against the circuit board 5 and the base 2, so as to further strengthen the positioning strength of the baffle 3 and achieve the purpose of the limit signal line more stably.

[0029] Further explanation, a circle of guide holes is also provided on the circuit board 5, the axes of the guide holes extend axially along the base 2, guide posts 2b matching the guide holes are formed on the base 2, the number of guide posts 2b is the same as the number of guide holes, and each guide post 2b is plugged into the corresponding guide hole; one of the guide posts 2b is arranged on the stop bar 3. The stop bar 3 is used for both limiting the signal line and carrying one of the guide posts 2b, that is, in the present application, the stop bar 3 has a dual-purpose effect, so as to simplify the structure and facilitate design and processing. Embodiment 2

[0030] The structure and principle of the second embodiment are basically the same as those of the first embodiment, except that the rear end of the baffle 3 is fixedly connected to the base 2 by screws, and the axes of the screws and the base 2 are arranged in parallel, that is, the baffle 3 and the base 2 are a split structure, which can reduce the difficulty of processing and design.

[0031] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A servo motor encoder bracket, the servo motor comprising a rear end cover (1), the encoder bracket comprising a base (2) in a circular ring shape and pressed and fixed on the rear side of the rear end cover (1), characterized in that: The base (2) has an L-shaped baffle (3) outside, the front end of the baffle (3) is arranged opposite to the outer side surface of the base (2), and the front end of the baffle (3) is close to the rear side surface of the rear end cover (1), the rear end of the baffle (3) is arranged on the outer wall of the base (2), and a clamping area (4) is formed between the baffle (3), the base (2) and the rear side surface of the rear end cover (1).

2. The servo motor encoder bracket according to claim 1, characterized in that: The rear end of the baffle (3) is pressed against the rear end surface of the base (2).

3. The servo motor encoder bracket according to claim 2, characterized in that: The baffle (3) and the base (2) are an integrated structure.

4. The servo motor encoder bracket according to claim 3, characterized in that: The baffle (3) and the base (2) are made of plastic material and are formed in one step by injection molding.

5. The servo motor encoder bracket according to claim 2, characterized in that: The rear end of the baffle (3) is fixedly connected to the base (2) via a screw, and the axes of the screw and the base (2) are arranged in parallel.

6. The servo motor encoder bracket according to claim 3 or 4, characterized in that: The encoder comprises a circuit board (5), a circle of protrusions (2a) is formed on the rear end surface of the base (2), the front side of the circuit board (5) is pressed on the protrusions (2a), and each protrusion (2a) is fixedly connected to the circuit board (5) by a bolt (6); the rear end of the retaining bar (3) is clamped between the circuit board (5) and the base (2).

7. The servo motor encoder bracket according to claim 6, characterized in that: A circle of guide holes is also provided on the circuit board (5), the axes of the guide holes extending axially along the base (2), guide pillars (2b) matching the guide holes are formed on the base (2), the guide pillars (2b) and the guide holes are the same in number, and each guide pillar (2b) is plugged into a corresponding guide hole; one of the guide pillars (2b) is arranged on the stop bar (3).

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