Bonding tool for coded disc installation

Abstract

The utility model discloses a pasting tool for coded disc installation, and relates to the technical field of mechanical installation. Comprising a coded disc grating, a backing ring and a metal sleeve, a shaft hole is formed in the middle of the coded disc grating, the backing ring is bonded to the bottom of the shaft hole, open holes are formed in the periphery of the shaft hole, clamping columns are arranged on the periphery of the top of the backing ring and upwards penetrate out of the open holes, the metal sleeve is bonded to the top of the shaft hole, a convex ring edge is arranged on the lower portion of the metal sleeve, and clamping holes are formed in the periphery of the convex ring edge. According to the pasting tool for coded disc installation, the backing ring and the metal sleeve are bonded to the upper face and the lower face of the coded disc grating respectively, the backing ring and the metal sleeve are clamped together through cooperation of the clamping column and the clamping hole, so that the strength of a shaft hole in the middle of the coded disc grating is enhanced, and the coded disc grating is indirectly arranged on a rotating shaft in a sleeving mode through the metal sleeve; the metal sleeve is locked on the rotating shaft through the locking nut, adhesive paper and other media are not needed, the adaptability to the environment such as dust and greasy dirt is high, and installation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical installation, in particular to a pasting tool for installing a code disk. Background Art

[0002] The photoelectric code disk converts the displacement into an electrical signal in the form of a "digital code" through photoelectric conversion. It, along with grating sensors, inductive synchronizers, magnetic grating sensors and capacitive grating sensors, are all digital sensors. The core of the photoelectric code disk is a hard transparent plastic grating with many concentric code tracks engraved on it. Each code track has light-transmitting and light-opaque parts arranged in a certain pattern. Together with a dedicated grating reading sensor, the angle of rotation of the code disk can be obtained.

[0003] The traditional code disc grating is directly pasted on the rotating shaft to be tested of the motor. Since the surface of the rotating shaft is mostly covered with oil or dust, the code disc or code tape is not firmly or smoothly pasted, or even the code disc cannot be pasted on the rotating shaft to be tested, affecting its normal operation. Utility Model Content

[0004] The utility model provides a sticking tool for installing a code disc to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pasting tool for installing a code disk, comprising a code disk grating, a gasket and a metal sleeve, an axial hole is provided in the middle of the code disk grating, the gasket is bonded to the bottom of the axial hole, openings are provided around the axial hole, clamping columns are provided around the top of the gasket, and the clamping columns extend upward from the openings, the metal sleeve is bonded to the top of the axial hole, and a convex ring edge is provided at the lower part of the metal sleeve, clamping holes are provided around the convex ring edge, the clamping columns are tightly clamped in the clamping holes, a locking nut is threadedly connected to the upper part of the metal sleeve, and an inner shrinkage is provided at the tail end of the locking nut, and a clamping claw is provided at the tail end of the metal sleeve.

[0006] Furthermore, the inner diameter of the gasket is consistent with the inner diameter of the metal sleeve, and the convex ring edge is consistent with the outer diameter of the gasket.

[0007] Furthermore, the positions of the clamping column and the opening correspond to each other, and the positions of the clamping hole and the clamping column correspond to each other.

[0008] Furthermore, the lower portion of the metal sleeve is clamped in the shaft hole and is flush with the bottom of the shaft hole.

[0009] Furthermore, an external thread is provided on the upper portion of the metal sleeve, and is threadably connected to the locking nut via the external thread.

[0010] Furthermore, the cross section of the inner contraction is in a cone shape, and the clamping claw is located in the inner contraction.

[0011] Compared with the prior art, the utility model provides a sticking tool for installing a code disk, which has the following beneficial effects:

[0012] The code disc installation pasting tool is used to adhere the gasket and the metal sleeve to the upper and lower surfaces of the code disc grating respectively. The gasket and the metal sleeve are clamped together through the cooperation of the clamping column and the clamping hole to strengthen the strength of the middle shaft hole of the code disc grating. The code disc grating is indirectly mounted on the rotating shaft through the metal sleeve, and the metal sleeve is locked on the rotating shaft with a locking nut. No other media such as adhesive tape are required, and it has strong adaptability to dust, oil and other environments, and is easy and quick to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is a top view of the code disc grating of the utility model.

[0016] In the figure: 1, code disc grating; 11, shaft hole; 12, opening; 2, gasket; 21, clamping column; 3, metal sleeve; 31, convex ring edge; 32, clamping hole; 33, clamping claw; 34, external thread; 4, locking nut; 41, inner shrinkage. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-Figure 3The utility model discloses a pasting tool for installing a code disk, comprising a code disk grating 1, a gasket 2 and a metal sleeve 3. An axial hole 11 is provided in the middle of the code disk grating 1. The gasket 2 is bonded to the bottom of the axial hole 11. An opening 12 is provided around the axial hole 11. A clamping column 21 is provided around the top of the gasket 2, and the clamping column 21 extends upward from the opening 12. The metal sleeve 3 is bonded to the top of the axial hole 11, and a convex ring edge 31 is provided at the bottom of the metal sleeve 3. A clamping hole 32 is provided around the convex ring edge 31. The clamping column 21 is tightly clamped in the clamping hole 32. The upper screw of the metal sleeve 3 The thread is connected with a locking nut 4, and the tail end of the locking nut 4 is provided with an inner shrinkage 41, and the tail of the metal sleeve 3 is provided with a clamping claw 33, and the gasket 2 and the metal sleeve 3 are respectively bonded to the upper and lower surfaces of the code disk grating 1, and the gasket 2 and the metal sleeve 3 are clamped together through the cooperation of the clamping column 21 and the clamping hole 32 to strengthen the strength of the middle shaft hole 11 of the code disk grating 1, and the code disk grating 1 is indirectly mounted on the rotating shaft through the metal sleeve 3, and the metal sleeve 3 is locked on the rotating shaft by using the locking nut 4, without other media such as adhesive tape, strong adaptability to dust, oil and other environments, and easy and fast installation.

[0019] Specifically, the inner diameter of the gasket 2 is consistent with the inner diameter of the metal sleeve 3 , and the convex ring edge 31 is consistent with the outer diameter of the gasket 2 .

[0020] In this embodiment, the inner diameter of the gasket ring 2 is consistent with the inner diameter of the metal sleeve 3, and the outer diameter thereof is consistent with the convex ring edge 31, which is conducive to a unified appearance.

[0021] Specifically, the position of the clamping column 21 corresponds to the position of the opening 12 , and the position of the clamping hole 32 corresponds to the position of the clamping column 21 .

[0022] In this embodiment, the opening 12 is designed to avoid interference between the components during assembly, and the gasket 2 and the metal sleeve 3 are clamped together by the cooperation of the clamping column 21 and the clamping hole 32.

[0023] Specifically, the lower portion of the metal sleeve 3 is clamped in the shaft hole 11 and is flush with the bottom of the shaft hole 11 .

[0024] In this embodiment, the structural strength of the shaft hole 11 in the middle of the code disk grating 1 can be enhanced by the cooperation between the gasket 2 and the metal sleeve 3.

[0025] Specifically, an external thread 34 is provided on the upper portion of the metal sleeve 3 , and is threadedly connected to the locking nut 4 via the external thread 34 .

[0026] In this embodiment, the locking nut 4 is threadedly connected to the metal sleeve 3 through the action of the external thread 34 .

[0027] Specifically, the cross section of the inner contraction opening 41 is in a cone shape, and the clamping claws 33 are located in the inner contraction opening 41 .

[0028] In this embodiment, if Figure 2 As shown in the figure, when the locking nut 4 is screwed downward, the internal contraction 41 will squeeze the clamping claw 33 toward the middle, so that the clamping claw 33 is clamped to the rotating shaft. When the locking nut 4 continues to be screwed downward, the inner diameter of the clamping claw 33 will be compressed, so that it is clamped on the rotating shaft.

[0029] When in use, the gasket 2 and the metal sleeve 3 are respectively adhered to the upper and lower surfaces of the code disc grating 1, and the gasket 2 and the metal sleeve 3 are clamped together through the cooperation of the clamping column 21 and the clamping hole 32 to strengthen the strength of the central shaft hole 11 of the code disc grating 1. The code disc grating 1 is indirectly mounted on the rotating shaft through the metal sleeve 3, and the metal sleeve 3 is locked on the rotating shaft by the locking nut 4. No other media such as adhesive tape are required, and it has strong adaptability to dust, oil and other environments, and is easy and quick to install.

[0030] In summary, the code disc installation pasting tool is used to adhere the gasket 2 and the metal sleeve 3 to the upper and lower surfaces of the code disc grating 1 respectively, and the gasket 2 and the metal sleeve 3 are clamped together through the cooperation of the clamping column 21 and the clamping hole 32 to strengthen the strength of the central shaft hole 11 of the code disc grating 1. The code disc grating 1 is indirectly mounted on the rotating shaft through the metal sleeve 3, and the metal sleeve 3 is locked on the rotating shaft with the locking nut 4. No other media such as adhesive tape are required, and the gasket 2 and the metal sleeve 3 are highly adaptable to dust, oil and other environments, and the installation is convenient and fast.

[0031] 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 sticking tool for mounting a code disc, comprising a code disc grating (1), a gasket (2) and a metal sleeve (3), characterized in that: The middle of the code disk grating (1) is provided with an axial hole (11), the gasket (2) is bonded to the bottom of the axial hole (11), the axial hole (11) is provided with openings (12) around it, the top of the gasket (2) is provided with clamping columns (21) around it, and the clamping columns (21) extend upward from the openings (12), the metal sleeve (3) is bonded to the top of the axial hole (11), and the lower part of the metal sleeve (3) is provided with a convex ring edge (31), and the convex ring edge (31) is provided with clamping holes (32) around it, the clamping columns (21) are tightly fitted in the clamping holes (32), the upper part of the metal sleeve (3) is threadedly connected with a locking nut (4), and the tail end of the locking nut (4) is provided with an inner shrinkage (41), and the tail of the metal sleeve (3) is provided with a clamping claw (33).

2. The sticking tool for installing a code disk according to claim 1, characterized in that: The inner diameter of the gasket (2) is consistent with the inner diameter of the metal sleeve (3), and the convex ring edge (31) is consistent with the outer diameter of the gasket (2).

3. The sticking tool for installing a code disk according to claim 1, characterized in that: The clamping column (21) corresponds to the position of the opening (12), and the clamping hole (32) corresponds to the position of the clamping column (21).

4. The sticking tool for installing a code disk according to claim 1, characterized in that: The lower part of the metal sleeve (3) is clamped in the shaft hole (11) and is flush with the bottom of the shaft hole (11).

5. The sticking tool for installing a code disk according to claim 1, characterized in that: The upper part of the metal sleeve (3) is provided with an external thread (34), and is threadedly connected to the locking nut (4) via the external thread (34).

6. The sticking tool for installing a code disk according to claim 1, characterized in that: The cross section of the inner contraction opening (41) is in a cone shape, and the clamping claw (33) is located in the inner contraction opening (41).

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