CN210638718U

CN210638718U - Encoder suitable for manipulator

Info

Publication number: CN210638718U
Application number: CN201921976914.6U
Authority: CN
Inventors: 郑大宇; 吕游
Original assignee: Changchun Beixin Optoelectronic Self Control Instruments Co ltd
Current assignee: Changchun Beixin Optoelectronic Self Control Instruments Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-05-29
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to an encoder suitable for a manipulator, wherein the edge of the top of the main body of the encoder is provided with a convex ring, and the convex ring is provided with one or more grooves; the shell is buckled and fixed on the main body; the hollow shaft penetrates through a central hole of the main body and is connected with the main body through a bearing; the coded disc is arranged on the upper end surface of the step of the hollow shaft, and the coded disc pressing ring is connected with the central shaft and is pressed and fixed with the coded disc; the slit plate is arranged on the upper end surface of the convex ring and is positioned above the coded disc; the slit sleeve is fixed on the convex ring and tightly presses and fixes the slit plate; the luminous plate is arranged below the slit plate and is fixed on the convex ring through screws at the groove; the receiving plate is fixed on the convex ring through the slit sleeve by a screw and is positioned above the slit plate. The utility model discloses a hollow shaft structure, it is convenient to be connected with the user side transmission shaft, has reduced the connecting piece, sparingly installs the usage space.

Description

Encoder suitable for manipulator

Technical Field

The utility model relates to a photoelectric encoder among the communication field specifically is a high-end hollow shaft encoder who is applicable to on the mechanical hand of automatic trade.

Background

The photoelectric encoder is a sensor that converts mechanical geometric displacement on an output shaft into pulses or digital quantity through photoelectric conversion, which is one of the most applied sensors at present. Photoelectric encoders were initially applied in the department of defense and military industry, and gradually spread to the department of civil industry. The existing photoelectric encoder is usually used in the industries of numerical control machine tools, motors or robots and the like, but most of the existing photoelectric encoders adopt solid shafts, so that the occupied space is large, and the encoder is directly a hollow shaft, so that the problem is solved, and the existing hollow shaft encoder is gradually applied in many industries. With the development of science and technology, automatic production lines or unmanned operation workshops are gradually increased, the use of manipulators is also gradually increased, and encoders are continuously and innovatively developed for being better suitable for the manipulators and other equipment.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an encoder suitable for manipulator.

In order to solve the technical problem, the encoder suitable for the manipulator of the utility model comprises a main body, a shell, a hollow shaft, a code disc seat, a bearing locking ring, a slit sleeve, a code disc compression ring, a code disc, a slit plate, a luminescent plate and a receiving plate; the top edge of the main body is provided with a convex ring, and one or more grooves are formed in the convex ring; the shell is buckled and fixed on the main body; the hollow shaft penetrates through a central hole of the main body and is connected with the main body through a bearing; the coded disc is arranged on the upper end surface of a coded disc seat of the hollow shaft, and the coded disc pressing ring is connected with the hollow shaft and is pressed and fixed with the coded disc; the slit plate is arranged on the upper end surface of the convex ring and is positioned above the coded disc; the slit sleeve is fixed on the convex ring and tightly presses and fixes the slit plate; the luminous plate is arranged below the slit plate and is fixed on the convex ring through screws at the groove; the receiving plate is fixed on the convex ring through the slit sleeve by a screw and is positioned above the slit plate.

The hollow shaft is connected with the main body through an upper bearing and a lower bearing.

The utility model discloses can also include the bearing locking ring, the bearing locking ring embedding in the bearing hole of main part bottom and with hollow shaft threaded connection, locking lower part bearing.

A boss integrally connected with the middle part of the hollow shaft is used as a code disc seat; the bottom of the code disc seat is tightly clamped with the upper bearing.

One side of the slit sleeve is provided with a groove.

The main body is in transition fit with the outer rings of the upper bearing and the lower bearing; the hollow shaft is in transition fit with the inner rings of the upper bearing and the lower bearing.

The utility model adopts a hollow shaft structure, is convenient to be connected with a transmission shaft of a user end, reduces connecting pieces and saves installation and use space; the structure of the code disc seat and the hollow shaft of the encoder are designed into an integral structure, so that the error caused by processing and assembling on the code disc can be reduced, and the effective digit of the encoder is ensured. The utility model discloses compact structure, the size is thinner.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1a and 1b are schematic views of the appearance of the present invention.

Fig. 2 is a longitudinal sectional view of the present invention.

3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 32 3. 3

Fig. 4 is a schematic view of the appearance of the main body 1 of the present invention.

In the figure: 1. the novel multi-shaft optical fiber cable connector comprises a main body, 11 parts of convex rings, 111 parts of grooves, 2 parts of a shell, 3 parts of a hollow shaft, 31 parts of a code disc seat, 41 parts of an upper bearing, 42 parts of a lower bearing, 5 parts of a bearing locking ring, 6 parts of a slit sleeve, 61 parts of a slit sleeve groove, 7 parts of a code disc pressing ring, 8 parts of a hollow shaft locking ring, 9 parts of a cable connector, 101 parts of a code disc, 102 parts of a slit plate, 1021 parts of a slit window, 103 parts of a light emitting plate and 104 parts of.

Detailed Description

As shown in fig. 1a, fig. 1b, fig. 2 and fig. 3, the encoder for a manipulator of the present invention includes a main body 1, a housing 2, a hollow shaft 3, a code wheel seat 31, a bearing locking ring 5, a slit cover 6, a code wheel compression ring 7, a code wheel 101, a slit plate 102, a light emitting plate 103, and a receiving plate 104.

The main body 1 is a flat cylinder with a central hole, the top edge of the main body is provided with a convex ring 11, and the convex ring 11 is provided with one or more grooves 111; the shell 2 is buckled on the main body 1 and is fixedly connected with the main body 1 through a screw; the hollow shaft 3 passes through the central hole of the main body 1 and is connected with the main body 1 through an upper bearing 41 and a lower bearing 42; the bearing locking ring 5 is embedded in a bearing hole at the bottom of the main body 1 and is in threaded connection with the hollow shaft 3 and used for locking the lower bearing 42; the middle part of the hollow shaft 3 is provided with a boss as a code disc seat 31; the bottom of the code disc seat 31 clamps the upper bearing 41; the code wheel 101 is arranged on the upper end face of the code wheel seat 31, and the code wheel press ring 7 is in threaded connection with the hollow shaft 3 to press and fix the code wheel 101; the slit plate 102 is arranged on the upper end face of the convex ring 11 and is positioned above the code wheel 101; the slit sleeve 6 is fixed on the convex ring 11 through screw connection and compresses the fixed slit plate 102; the light emitting plate 103 is disposed below the slit plate 102 and fixed to the convex ring 11 by screws at the grooves 111; the receiving plate 104 is fixed to the main body convex ring 11 through the slit cover 6 by screws and is positioned above the slit plate 102; the transmission shaft of the user end passes through the inner hole of the hollow shaft 3 and is locked and fixed with the hollow shaft 3 through the hollow shaft locking ring 8 at the top.

One side of the slit sleeve 6 is provided with a groove 61, in order to ensure that the internal space for installing the cable connector 9 is sufficient, the slit sleeve is provided with a groove 61 meeting the size in the corresponding direction, and a cable passes through the cable connector 9 installed on the shell and is directly connected with the receiving plate 104.

The main body 1 is in transition fit with the outer rings of the upper bearing 41 and the lower bearing 42; the hollow shaft 3 is in transition fit with the inner rings of the upper bearing 41 and the lower bearing 42.

The utility model discloses a theory of operation:

when a transmission shaft of a user end rotates to drive the hollow shaft 3, the code wheel 101 and the code wheel press ring 7 to synchronously rotate, light rays emitted by a light source on the light emitting plate 103 penetrate through a code channel of the rotating code wheel 101 (light and dark code channels are arranged on the code wheel according to a certain rule) and a slit window 1021 on the slit plate 102 to be received by the receiving plate 104, the receiving plate 104 converts light and dark alternative signals into electric signals, and the electric signals are output in an interface mode of 485, 232, SSI and the like required by a customer through the processing of a logic circuit formed by electronic devices, so that the conversion of mechanical movement physical quantities (position, speed and acceleration) into electric quantities is completed.

Claims

1. An encoder suitable for a manipulator is characterized by comprising a main body (1), a shell (2), a hollow shaft (3), a code disc seat (31), a bearing locking ring (5), a slit sleeve (6), a code disc pressing ring (7), a code disc (101), a slit plate (102), a light-emitting plate (103) and a receiving plate (104); the top edge of the main body (1) is provided with a convex ring (11), and one or more grooves (111) are formed in the convex ring (11); the shell (2) is buckled and fixed on the main body (1); the hollow shaft (3) penetrates through a center hole of the main body (1) and is connected with the main body (1) through a bearing; the coded disc (101) is arranged on the upper end surface of a coded disc seat (31) of the hollow shaft (3), and the coded disc pressing ring (7) is connected with the hollow shaft (3) and used for pressing and fixing the coded disc (101); the slit plate (102) is arranged on the upper end face of the convex ring (11) and is positioned above the coded disc (101); the slit sleeve (6) is fixed on the convex ring (11) and tightly presses and fixes the slit plate (102); the light emitting plate (103) is arranged below the slit plate (102) and is fixed on the convex ring (11) through screws at the groove (111); the receiving plate (104) is fixed on the convex ring (11) and positioned above the slit plate (102) through the slit sleeve (6) by screws.

2. The encoder adapted for a robot hand according to claim 1, characterized in that the hollow shaft (3) is connected with the body (1) by means of an upper bearing (41) and a lower bearing (42).

3. The encoder for a robot hand according to claim 2, further comprising a bearing locking ring (5), wherein the bearing locking ring (5) is inserted into a bearing hole formed in the bottom of the body (1) and is screw-coupled to the hollow shaft (3) to lock the lower bearing (42).

4. The robot-adapted encoder according to claim 2, wherein a boss integrally connected to the center of the hollow shaft (3) serves as a code wheel holder (31); the bottom of the code disc seat (31) is clamped with the upper bearing (41).

5. The encoder according to claim 1, wherein the slit cover (6) is formed with a slit cover groove (61) on one side thereof.

6. The encoder suitable for the manipulator of claim 2, wherein the main body (1) is in transition fit with the outer rings of the upper bearing (41) and the lower bearing (42); the hollow shaft (3) is in transition fit with the inner rings of the upper bearing (41) and the lower bearing (42).