A code disc support structure for encoder

Abstract

The utility model discloses a code disc support structure for an encoder, and relates to the technical field of encoders. It includes a code disc support body installed on a main shaft, the code disc support body is used to support a code disc, one side of the code disc support body is integrally connected with a first boss, the code disc is sleeved on the first boss, an annular groove for glue dispensing is provided on the side of the code disc support body close to the first boss, and the outer wall of the first boss is also provided with glue dispensing grooves evenly distributed along its circumference, the glue dispensing grooves are strip-shaped, and the glue dispensing grooves extend along the axial direction of the first boss. The code disc support structure for an encoder, by providing an annular groove, cooperates with the glue dispensing grooves on the outer wall of the first boss, so that when the code disc is sleeved on the first boss, it can be tightly connected to the code disc support body under the action of glue, thereby improving the bonding stability between the code disc support body and the code disc.

Description

Technical Field

[0001] The utility model relates to the technical field of encoders, in particular to a code disc support structure for encoders. Background Art

[0002] An encoder is a precision device that organically combines mechanical structure, electronic structure, software protocol and other parts into a whole, and provides precise rotation positioning or angle control for other motion equipment or servo control systems. It can convert precise angle position data through electronic devices and output precise electrical signals or pulse waveform signals to users.

[0003] The component in the encoder that converts angular displacement into electrical signals is called a code disc. The encoder is generally provided with a code disc support for mounting the code disc. The code disc support and the code disc are generally bonded together using glue. In the existing encoder production process, glue is directly applied to the upper surface of the code disc support and then the code disc is pressed on. This results in poor bonding stability between the code disc support and the code disc. Utility Model Content

[0004] The utility model provides a code disc support structure for an encoder to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a code disc support structure for an encoder, comprising a code disc support body installed on a main shaft, the code disc support body is used to support the code disc, one side of the code disc support body is integrally connected with a first boss, the code disc is sleeved on the first boss, and an annular groove for glue dispensing is provided on one side of the code disc support body close to the first boss, and the outer wall of the first boss is also provided with glue dispensing grooves evenly distributed along its circumference.

[0006] Furthermore, the glue dispensing groove is in a strip shape, and the glue dispensing groove extends along the axial direction of the first boss.

[0007] Furthermore, a connecting groove for connecting the annular groove and the glue dispensing groove is provided on the code disc support body.

[0008] Furthermore, the code disc is integrally connected with an annular block which can be inserted into the annular groove and cooperates with the annular groove.

[0009] Furthermore, the longitudinal section of the annular groove is one of a V-shape, a semicircle, and a rectangle, and the annular block is matched with the annular groove.

[0010] Furthermore, a second boss for cooperating with the main shaft and mounted thereon is integrally connected to a side of the code disc support body away from the first boss.

[0011] Furthermore, the inner wall of the second boss is provided with at least two annular glue injection grooves.

[0012] Furthermore, the outer wall of the second boss is in an inclined shape, and the diameter of the second boss on a side close to the code disc support body is greater than the diameter of the second boss on a side away from the code disc support body.

[0013] Compared with the prior art, the utility model provides a code disc support structure for an encoder, which has the following beneficial effects: the code disc support structure for the encoder, by setting an annular groove and cooperating with the glue dispensing groove on the outer wall of the first boss, can enable the code disc to be tightly connected to the code disc support body under the action of glue when the code disc is sleeved on the first boss, thereby improving the bonding stability between the code disc support body and the code disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the planar structure of the utility model.

[0017] In the figure: 1, code disc support body; 2, first boss; 3, annular groove; 4, glue dispensing groove; 5, connecting groove; 6, code disc; 7, main shaft; 8, annular block; 9, second boss; 10, glue injection groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model discloses a code disc support structure for an encoder, including a code disc support body 1 installed on a main shaft 7, the code disc support body 1 is used to support a code disc 6, one side of the code disc support body 1 is integrally connected with a first boss 2, the code disc 6 is sleeved on the first boss 2, and a ring groove 3 for glue dispensing is provided on the side of the code disc support body 1 close to the first boss 2, and the outer wall of the first boss 2 is also provided with glue dispensing grooves 4 evenly distributed along its circumference.

[0020] The longitudinal section of the annular groove 3 is in a V-shape, a semicircle, or a rectangle, and the annular block 8 is arranged to match the annular groove 3 .

[0021] The first boss 2 and the code disc 6 can be interference fit, and when glue is applied to the glue dispensing groove 4, the first boss 2 can be tightly connected to the code disc 6.

[0022] Specifically, the glue dispensing groove 4 is strip-shaped, and the glue dispensing groove 4 extends along the axial direction of the first boss 2 .

[0023] The code disc support body 1 is provided with a connecting groove 5 for connecting the annular groove 3 and the glue dispensing groove 4 .

[0024] In this embodiment, a plurality of annular grooves 3 may be provided, and the plurality of annular grooves 3 are generally in the shape of annual rings, and the annular groove 3 with the smallest radius is connected to the glue dispensing groove 4 through the connecting groove 5 .

[0025] Excess glue in the glue dispensing groove 4 can flow into the annular groove 3 through the connecting groove 5 .

[0026] Specifically, the code disc 6 is integrally connected with an annular block 8 which can be inserted into the annular groove 3 and cooperates with the annular groove 3 .

[0027] In this embodiment, the annular block 8 and the annular groove 3 play a role of positioning and matching, and can improve the tightness of the code disc 6 and the code disc support body 1 during bonding.

[0028] Specifically, a second boss 9 for cooperating with the main shaft 7 and mounted thereon is integrally connected to a side of the code disc support body 1 away from the first boss 2 .

[0029] At least two annular glue injection grooves 10 are formed on the inner wall of the second boss 9 .

[0030] The outer wall of the second boss 9 is in an inclined shape, and the diameter of the side of the second boss 9 close to the code disc support body 1 is larger than the diameter of the side away from the code disc support body 1 .

[0031] In this embodiment, the second boss 9 is bonded and connected to the main shaft 7 through a glue injection groove 10 into which glue is injected.

[0032] The outer wall of the second boss 9 is in an inclined shape, which can guide the sliding direction of the lubricating oil when the main shaft of the encoder rotates slowly or does not rotate, so that the lubricating oil flows to the main shaft of the encoder.

[0033] To summarize, the encoder uses a code disc support structure, by setting an annular groove 3 and cooperating with the glue dispensing groove 4 on the outer wall of the first boss 2, so that when the code disc 6 is sleeved on the first boss 2, it can be tightly connected to the code disc support body 1 under the action of glue, thereby improving the bonding stability between the code disc support body 1 and the code disc 6.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A code disc support structure for an encoder, comprising a code disc support body (1) mounted on a main shaft (7), characterized in that: The code disc support body (1) is used to support the code disc (6); one side of the code disc support body (1) is integrally connected with a first boss (2); the code disc (6) is sleeved on the first boss (2); a ring groove (3) for glue dispensing is provided on the side of the code disc support body (1) close to the first boss (2); and the outer wall of the first boss (2) is also provided with glue dispensing grooves (4) evenly distributed along its circumference.

2. The code disc support structure for an encoder according to claim 1, characterized in that: The glue dispensing groove (4) is strip-shaped, and the glue dispensing groove (4) extends along the axial direction of the first boss (2).

3. The code disc support structure for an encoder according to claim 2, characterized in that: The code disc support body (1) is provided with a connecting groove (5) for connecting the annular groove (3) and the glue dispensing groove (4).

4. The code disc support structure for an encoder according to claim 1, characterized in that: The code disc (6) is integrally connected with an annular block (8) which can be inserted into the annular groove (3) and cooperates with the annular groove (3).

5. The code disc support structure for an encoder according to claim 4, characterized in that: The longitudinal section shape of the annular groove (3) is one of a V-shape, a semicircle, and a rectangle, and the annular block (8) is arranged to match the annular groove (3).

6. The code disc support structure for an encoder according to claim 1, characterized in that: A second boss (9) for cooperating with the main shaft (7) and mounted thereon is integrally connected to a side of the code disc support body (1) away from the first boss (2).

7. The code disc support structure for an encoder according to claim 6, characterized in that: At least two annular glue injection grooves (10) are formed on the inner wall of the second boss (9).

8. The code disc support structure for an encoder according to claim 6, characterized in that: The outer wall of the second boss (9) is in the shape of an inclined surface, and the diameter of the side of the second boss (9) close to the code disc support body (1) is larger than the diameter of the side away from the code disc support body (1).

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