CN209913665U

CN209913665U - Encoder limit structure

Info

Publication number: CN209913665U
Application number: CN201921009548.7U
Authority: CN
Inventors: 李重材
Original assignee: Ji'nan Ke Sheng Automation Technology Co Ltd
Current assignee: Ji'nan Ke Sheng Automation Technology Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-01-07
Anticipated expiration: 2029-07-01

Abstract

The utility model provides an encoder limit structure, including the encoder stator, encoder stator left end erection joint frame subassembly, the encoder stator passes through the link subassembly and is connected with the motor end cover, the link subassembly includes the fixed plate, the fixed plate is fixed at encoder stator left end, fixed plate left end installation connecting rod, the connecting rod left end rotates the installation montant, the montant is kept away from the horizontal movable block of side installation of connecting rod, horizontal movable block side slidable mounting guide frame, the guide frame passes through the spring and is connected with horizontal movable block, the fixed connecting block of guide frame side, the utility model discloses rational in infrastructure has improved the connection fastening nature, has increased the installation accuracy.

Description

Encoder limit structure

Technical Field

The utility model relates to an encoder limit structure belongs to encoder technical field.

Background

An encoder for measuring speed is generally installed on a motor in the prior art so as to facilitate the control of the rotating speed of the motor. And how the mounting accuracy and stability of the encoder directly affect the detection accuracy of the encoder. Present encoder rotor installs in the motor spindle, the encoder stator compresses tightly the lock through two halves ring and fixes on motor end cover, because the motor inevitably can produce great vibration at the operation in-process, and encoder stator and motor end cover fixed connection, can produce a power of dragging to the hookup location of motor and encoder during the event motor vibration, make the hookup location of motor rotor and encoder rotor take place to damage, perhaps make the encoder nail drop from the motor end cover, the service life is shortened, and the installation accuracy has been reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an encoder limit structure to the vibration of the kind of production of motor working process who proposes in solving above-mentioned background art can lead to motor and encoder hookup location to take place to damage and the problem of separation, the utility model discloses it is rational in infrastructure, improved and connected the fastening nature, increased the installation accuracy.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an encoder limit structure, includes the encoder stator, encoder stator left end erection joint frame subassembly, the encoder stator passes through the link subassembly and is connected with the motor end cover, the link subassembly includes the fixed plate, the fixed plate is fixed at encoder stator left end, fixed plate left end installation connecting rod, the connecting rod left end rotates the installation montant, the horizontal movable block of side installation of connecting rod is kept away from to the montant, horizontal movable block side slidable mounting guide frame, the guide frame passes through the spring and is connected with horizontal movable block, guide frame side end fixed connection piece.

Furthermore, two threaded holes are symmetrically formed in the left end of the encoder stator, two bolts are symmetrically arranged at the left end of the fixing plate, and the two bolts penetrate through the fixing plate and are connected with the threaded holes through threads.

Further, the fixed spacing drum of montant right-hand member, fixed sponge ring on the annular inner wall of montant one side is kept away from to spacing drum, the connecting rod is installed at spacing drum right-hand member and is extended to inside the spacing drum, the connecting rod passes through the universal ball joint and is connected with the montant, sponge ring suit is at connecting rod annular side.

Furthermore, two clamping plates are symmetrically fixed at the right end of the transverse movable block and are symmetrically arranged at the upper end and the lower end of the guide frame.

Furthermore, two connecting blocks are symmetrically fixed at the front end and the rear end of the guide frame, through holes are formed in the two connecting blocks, and the two connecting blocks are fixedly connected with the motor end cover through connecting bolts.

Furthermore, connecting rod, montant, horizontal movable block and guide frame all are equipped with two, two the connecting rod symmetry welding is at the fixed plate left end.

Furthermore, a rectangular frame is arranged in the guide frame, springs are welded to the front wall and the rear wall of the rectangular frame, and the two springs are symmetrically fixed to the front end and the rear end of the transverse movable block.

The utility model has the advantages that: the utility model discloses an encoder limit structure, when the motor work and take place the vibration, horizontal movable block can carry out the back-and-forth movement along the guide frame, and the connecting rod can carry out small rotation along the hookup location with the erect pole to make the encoder stator can carry out the self-interacting of certain limit on front and back position and terminal surface deflection angle, thereby reduced the harm of motor vibration to encoder and motor hookup location, improved installation effectiveness and installation accuracy.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a perspective view of an encoder limiting structure of the present invention;

fig. 2 is a partial enlarged view of a part a of the encoder limiting structure of the present invention;

fig. 3 is a plan view of a limiting structure of an encoder according to the present invention;

in the figure: 1-encoder stator, 2-connecting rod, 3-vertical rod, 4-transverse movable block, 5-connecting block, 6-guide frame, 7-limiting cylinder, 31-limiting plate, 41-clamping plate and 71-sponge ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: a limiting structure of an encoder comprises an encoder stator 1, a connecting frame assembly is installed at the left end of the encoder stator 1, the encoder stator 1 is connected with a motor end cover through the connecting frame assembly, the connecting frame assembly comprises a fixing plate 8, the fixing plate 8 is fixed at the left end of the encoder stator 1, a connecting rod 2 is welded at the left end of the fixing plate 8, a vertical rod 3 is rotatably installed at the left end of the connecting rod 2, a transverse movable block 4 is installed at the side end of the vertical rod 3, which is far away from the connecting rod 2, a guide frame 6 is slidably installed at the side end of the transverse movable block 4, the guide frame 6 is connected with the transverse movable block 4 through a spring 9, a connecting block 5 is fixed at the side end of the guide frame 6, and particularly, thereby enabling a certain range of self-adjustment of the position of the encoder stator 1 and reducing the damage of the motor vibration to the position where the encoder is connected with the motor.

Two threaded holes are symmetrically formed in the left end of the encoder stator 1, two bolts are symmetrically arranged at the left end of the fixing plate 8, the two bolts penetrate through the fixing plate 8 and are connected with the threaded holes through threads, and the threaded holes are convenient for connection of the fixing plate 8 and the encoder stator 1.

3 right-hand members of montant fix spacing drum 7, spacing drum 7 is kept away from on the annular inner wall of montant 3 one side fixed sponge ring 71, connecting rod 2 is installed at 7 right-hand members of spacing drum and is extended to inside 7 of spacing drum, connecting rod 2 passes through the universal ball joint and is connected with montant 3, sponge ring 71 suit is at 2 annular side ends of connecting rod, spacing drum 7 is convenient for carry out the rotation range spacing to connecting rod 2 that can rotate, sponge ring 71 is convenient for carry out the buffer protection to the lateral wall of connecting rod 2.

Two cardboard 41 are fixed to horizontal movable block 4 right-hand member symmetry, and both ends about the guide frame 6 are installed to two cardboard 41 symmetries, and cardboard 41 has realized the function of direction and support.

Two connecting blocks 5 are symmetrically fixed at the front end and the rear end of the guide frame 6, through holes are formed in the two connecting blocks 5, the two connecting blocks 5 are fixedly connected with the motor end cover through connecting bolts, and the connecting blocks 5 are convenient for connection of the guide frame 6 and the motor end cover.

Connecting rod 2, montant 3, horizontal movable block 4 and guide frame 6 all are equipped with two, and two connecting rod 2 symmetric welding have improved support stability at the 8 left ends of fixed plate, the design of spare parts such as two connecting rods 2.

A rectangular frame is arranged in the guide frame 6, springs 9 are welded on the front wall and the rear wall of the rectangular frame, and the two springs 9 are symmetrically fixed at the front end and the rear end of the transverse movable block 4.

The working principle is as follows: the encoder stator 1 is connected with the motor end cover through the connecting frame component, the encoder rotor and the motor driving shaft are connected through the elastic coupling, when the motor works and vibrates, the encoder stator 1 can correspondingly move along with the vibration of the motor, so that the connecting position of the encoder stator 1 and the rotor, the motor end cover and the rotor is prevented from being subjected to pulling force, the connecting effect is improved, and the damage of the connecting position is avoided, wherein the transverse movable block 4 can move back and forth along the guide frame 6, the connecting rod 2 can slightly rotate along the connecting position with the vertical rod 3, the limiting cylinder 7 can limit the rotating connecting rod 2, the rotating angle of the connecting rod 2 is prevented from being overlarge, so that the encoder stator 1 can perform self-adjustment within a certain range in the front and back directions and the end surface deflection angle, and the damage of the motor vibration to the connecting position of the encoder and the, the installation effect and the installation precision are improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an encoder limit structure, includes encoder stator (1), its characterized in that: encoder stator (1) left end erection joint frame subassembly, encoder stator (1) is connected with the motor end cover through the link subassembly, the link subassembly includes fixed plate (8), fixed plate (8) are fixed at encoder stator (1) left end, fixed plate (8) left end installation connecting rod (2), connecting rod (2) left end rotates installation montant (3), montant (3) are kept away from horizontal movable block (4) of side installation of connecting rod (2), horizontal movable block (4) side slidable mounting guide frame (6), guide frame (6) are connected with horizontal movable block (4) through spring (9), guide frame (6) side fixed connection piece (5).

2. An encoder spacing structure according to claim 1, characterized in that: the left end of the encoder stator (1) is symmetrically provided with two threaded holes, the left end of the fixing plate (8) is symmetrically provided with two bolts, and the two bolts penetrate through the fixing plate (8) and are connected with the threaded holes through threads.

3. An encoder spacing structure according to claim 1, characterized in that: montant (3) right-hand member fixes spacing drum (7), fixed sponge ring (71) on the annular inner wall of montant (3) one side is kept away from in spacing drum (7), connecting rod (2) are installed at spacing drum (7) right-hand member and are extended to inside spacing drum (7), connecting rod (2) are connected with montant (3) through universal ball joint, sponge ring (71) suit is at connecting rod (2) annular side.

4. An encoder spacing structure according to claim 1, characterized in that: two clamping plates (41) are symmetrically fixed at the right end of the transverse movable block (4), and the two clamping plates (41) are symmetrically arranged at the upper end and the lower end of the guide frame (6).

5. An encoder spacing structure according to claim 1, characterized in that: two connecting blocks (5) are symmetrically fixed at the front end and the rear end of the guide frame (6), through holes are formed in the connecting blocks (5), and the connecting blocks (5) are fixedly connected with the motor end cover through connecting bolts.

6. An encoder spacing structure according to claim 1, characterized in that: the connecting rod (2), the vertical rod (3), the transverse movable block (4) and the guide frame (6) are respectively provided with two connecting rods (2) which are symmetrically welded at the left end of the fixing plate (8).

7. An encoder spacing structure according to claim 1, characterized in that: the inner part of the guide frame (6) is provided with a rectangular frame, springs (9) are welded on the front wall and the rear wall of the inner part of the rectangular frame, and the two springs (9) are symmetrically fixed at the front end and the rear end of the transverse movable block (4).