CN212086023U

CN212086023U - Mechanism for inserting rotor into end cover

Info

Publication number: CN212086023U
Application number: CN202021144152.6U
Authority: CN
Inventors: 何际尚; 毛雷
Original assignee: Shenzhen Subot Technology Co ltd
Current assignee: Shenzhen Subot Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-12-04
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a mechanism for inserting a rotor into an end cover, which comprises a support frame, a rotary chuck, a rotor positioning groove and an end cover guide groove, wherein the support frame is designed into a whole and respectively vertically composed of a support plate and a mounting plate, one end of the mounting plate is provided with a rotor front-feeding plate, one side of the rotor front-feeding plate is connected with a cylinder A, the other side of the rotor front-feeding plate is provided with a rotor positioning groove, and the rear side of the rotor front-feeding plate is connected with a limiting rod A; the top end of the supporting plate is provided with a linkage device, the upper end of the linkage device is connected with a cylinder C, the output position of the lower end of the linkage device is connected with a rotary chuck, and the mounting plate at the lower end of the rotary chuck is respectively connected with a limiting screw A, a limiting screw B, a limiting electric cylinder and an end cover guide groove; the utility model discloses steering gear on the rotor pops open the brush through utilizing centrifugal friction, and end cover bearing hole is organized to rotor shaft spiral mode to accomplish the operation of rotor end cover, the product quality of processing out is high.

Description

Mechanism for inserting rotor into end cover

Technical Field

The utility model relates to a component assembly mechanism in the production process of a micromotor, in particular to a mechanism for inserting a rotor into an end cover.

Background

Micromotors, collectively called "micromotors", refer to motors having a diameter of less than 160mm or a nominal power of less than 750 mW. The micro-motor is commonly used in a control system or a transmission mechanical load and is used for realizing the functions of detecting, analyzing, operating, amplifying, executing or converting electromechanical signals or energy and the like.

The micro-motor has various varieties (more than 6000 varieties), complicated specifications and wide market application field, relates to various aspects of national economy, national defense equipment and human life, and can be seen in all occasions needing electric drive.

The micromotor consists of three parts, namely a rotor, an end cover and a stator. The rotor is usually composed of a shaft branch, a commutator, an iron core, a winding coil and the like, an end cover is composed of a bearing, an electric brush, a brush holder and the like, wherein the commutator on the rotor is matched with the electric brush on the end cover, a rotor shaft head is matched with a bearing inner hole on the end cover, the conventional mechanical assembly mode of the rotor of the micromotor into the end cover at present is that the electric brush on the end cover is supported by a plectrum at a sufficient distance and then the rotor is assembled, the electric brush is easy to deform and enlarge and the tension loss of the electric brush is easy to reduce, so the pressure of the electric brush on the commutator is insufficient, the brush jumping phenomenon can occur when the motor rotates, the load capacity is seriously reduced, the performance can not meet the requirement, the influence is particularly obvious when the micromotor with the maximum diameter less than 15mm, the reject ratio exceeds 30%, if the micromotor with the maximum diameter less than 10mm, the reject ratio exceeds 50%, the, most of the thickness is less than 0.02mm, and the end cover bearing is easy to be damaged by the assembling mode, so that the defects of overlarge current performance and noise of the motor are caused. In order to reduce mechanical assembly defects such as brush deformation and bearing damage, some companies adopt pure manual assembly, the operation efficiency is extremely low, the operator is extremely dependent on the proficiency, the operator is difficult to cultivate, and the reject ratio and the consistency of finished products are difficult to control. The mode has high reject ratio, low efficiency and poor consistency, and is difficult to implement the mass production of the micro motor to meet the increasing demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new mechanism that end cover was gone into to rotor reduces brush deformation, reduces brush tension loss, and the off-the-shelf jump brush of greatly reduced motor is bad to be produced, and efficiency is pure manual 5 ~ 10 times, and the defective rate is below 0.3%.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:

a mechanism for enabling a rotor to enter an end cover is characterized by comprising a supporting plate, a mounting plate, a rotor conveying mechanism, a rotor assembling mechanism and an end cover fixing mechanism, wherein one side of the supporting plate is connected with the mounting plate, the rotor conveying mechanism is arranged on one side of the mounting plate, the end cover fixing mechanism is arranged on the other side of the mounting plate, the rotor assembling mechanism is arranged on the supporting plate and is positioned above the end cover fixing mechanism, the rotor conveying mechanism comprises a cylinder A, a rotor front feeding plate, a limiting rod, a rotor positioning groove and a sliding rail, the sliding rail is arranged at the upper end of one side of the mounting plate, the upper end of the sliding rail is connected with the rotor front feeding plate, one side of the rotor front feeding plate is connected with the cylinder A, the other side of the rotor front feeding plate is; the rotor assembling mechanism comprises an air cylinder C, a linkage device and a rotary chuck, the air cylinder C is arranged at the upper right end of the supporting plate, the lower end of the air cylinder C is connected with the linkage device, and an output position at the lower end of the linkage device is connected with the rotary chuck; the end cover fixing mechanism comprises an end cover positioning plate, an end cover guide groove, a limiting screw A, a limiting screw B, a limiting electric cylinder and an end cover guide groove, the limiting screw A is connected to the mounting plate, the limiting screw A is located on the right side of the rotor positioning groove, the limiting screw B is located on the right side of the limiting screw A, the limiting electric cylinder is located on the right side of the limiting screw B, the end cover guide groove is located on the right side of the limiting electric cylinder, an end cover positioning plate is arranged at the upper end of the end cover guide groove, and the end cover positioning plate is used for positioning the end cover under.

Preferably, the cylinder C controls the linkage device to move up and down along the direction of the rotary chuck and drives the rotary chuck to move up and down.

Preferably, the linkage device controls the rotating chuck to rotate, open and close the rotating chuck.

Preferably, the bottom end of the rotor front feeding plate is of a concave structure and is sleeved at the upper end of the sliding rail, and the rotor front feeding plate is limited to move left and right.

Preferably, the cylinder A controls the rotor front feeding plate to horizontally move along the rotor positioning groove, and simultaneously drives the limiting rod A to move until the limiting rod A reaches the position vertically above the limiting screw rod A and stops moving, and the rotor positioning groove is located under the rotary chuck at the moment.

Preferably, spacing electric jar includes gag lever post B and electric jar, gag lever post B is located the mounting panel upside, the electric jar is located the mounting panel downside, gag lever post B and the laminating of electric jar output shaft terminal surface mutually, gag lever post B top surface high position is by electric jar motion program control.

Preferably, the electric cylinder controls the limiting rod B to move up and down according to a specific movement curve.

Preferably, the end cover guide groove is formed by arranging two cuboids left and right, and a gap enough for accommodating the end cover is reserved in the middle of the end cover guide groove.

Preferably, an inner groove is formed in one end, connected to the end cover guide groove, of the end cover positioning plate.

Has the advantages that: the method can be used for quickly assembling the rotor and the end cover of the micromotor; the device can be combined with other production mechanisms of the micromotor to form automatic production equipment of the micromotor; can be used for other similar product assemblies.

Drawings

FIG. 1: the utility model relates to a front schematic view of a mechanism for putting a rotor into an end cover;

FIG. 2: the utility model relates to a three-dimensional schematic diagram of a mechanism for inserting a rotor into an end cover;

in the figure, 1-supporting plate, 2-mounting plate, 3-rotor conveying mechanism, 4-rotor assembling mechanism, 5-end cover fixing mechanism, 31-air cylinder A, 32-rotor front-feeding plate, 33-limiting rod A, 34-rotor positioning groove, 35-sliding rail, 41-air cylinder C, 42-driving device, 43-rotary chuck, 51-end cover positioning plate, 52-end cover guide groove, 53-limiting screw rod A, 54-limiting screw rod B, 55-limiting electric cylinder, 551 limiting rod B and 552 electric cylinder.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for illustrative purposes only and do not represent the only embodiments, and as used herein, the terms "upper," "lower," "left," "right," "front," "rear," and the like are used in a positional relationship with reference to the drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1-2, a mechanism for inserting a rotor into an end cover comprises a supporting plate 1, a mounting plate 2, a rotor transmission mechanism 3, a rotor assembly mechanism 4 and an end cover fixing mechanism 5, wherein one side of the supporting plate 1 is connected with the mounting plate 2, the rotor transmission mechanism 3 is connected with one side of the mounting plate 2, the end cover fixing mechanism 5 is connected with the other side of the mounting plate 2, the rotor assembly mechanism 4 is connected with the supporting plate 1, the rotor assembly mechanism 4 is positioned above the end cover fixing mechanism 5, the rotor transmission mechanism 3 comprises a cylinder a31, a rotor feed plate 32, a limiting rod, a rotor positioning slot 34 and a slide rail 35, the slide rail 35 is fixed at the upper end of one side of the mounting plate 2, the upper end of the slide rail 35 is connected with the rotor feed plate 32, one side of the rotor feed plate 32 is connected with a31, the other side of the rotor feed plate 32 is provided with the rotor positioning slot 34, the rear side, the spring support is kept at the upper end position, wherein the bottom end of the rotor front feeding plate 32 is of a concave structure and is sleeved at the upper end of the slide rail 35, the rotor front feeding plate 32 is limited to move left and right, the rotor front feeding plate 32 is controlled to horizontally move at the upper end of the slide rail 35 through the air cylinder A31, the limiting rod A33 is driven to move at the same time until the limiting rod A33 is contacted with the limiting screw A54 to stop moving, and at the moment, the rotor positioning groove 34 is positioned under the rotary chuck 43; the rotor assembling mechanism 4 comprises an air cylinder C41, a linkage device and a rotary chuck 43, the air cylinder C41 fixes the upper right end of the support plate 1, the lower end of the air cylinder C41 is connected with the linkage device, the output position at the lower end of the linkage device is connected with the rotary chuck 43, the air cylinder C41 controls the linkage device to move up and down along the axial direction of the rotary chuck 43 and simultaneously drives the rotary chuck 43 to move up and down, and the linkage device controls the rotary chuck 43 to enable the rotary chuck 43 to rotate, open and close; the end cover fixing mechanism 5 comprises an end cover positioning plate 51, an end cover guide groove 52, a limit screw A54, a limit screw B53 and a limit electric cylinder 55, the upper end of the other side of the mounting plate 2 is respectively provided with a limit screw A54, a limit screw B53 and a limit electric cylinder 55, the limit screw A54 is positioned on the right side of the rotor positioning groove 34, the limit screw B53 is positioned on the right side of the limit screw A54, the limit electric cylinder 55 is positioned on the right side of the limit screw B53, the limit electric cylinder 55 comprises a limit rod B551 and an electric cylinder 552, the limit rod B551 is positioned on the upper side of the mounting plate 2, the electric cylinder 552 is positioned on the lower side of the mounting plate 2, the limit rod B551 is connected with the electric cylinder 552, a spring is arranged at the connection part of the limit rod B551 and the electric cylinder 552, the end cover guide groove 52 is positioned on the right side of the limit rod B551, wherein the end cover, an inner groove is formed at one end of the end cover positioning plate 51 connected with the end cover guide groove 52, the end cover positioning plate 51 is positioned under the rotary chuck 43, and the limiting rod B551 is controlled by the electric cylinder 552 to move up and down according to a specific movement curve.

In this embodiment, the driving device 42, the electric limiting cylinder 55, the air cylinder a31 and the air cylinder C41 are electrically connected to the built-in integrated controller, respectively, when in use, the rotor is placed in the rotor positioning slot 34, the end cover is placed in the end cover guide slot 52, the end cover positioning plate 51 is closed and fixed, the air cylinder a31 controls the rotor feeding plate 32 to move rightwards, and simultaneously drives the limiting rod a33 and the rotor positioning slot 34 to move together, the limiting rod a33 reaches above the limiting screw B54, the rotor feeding plate 32 stops moving, at this time, the rotor positioning slot 34 is located under the rotary chuck 43, the driving device 42 controls the opening motion of the rotary chuck 43, the air cylinder C41 controls the driving device 42 to move downwards, and simultaneously drives the rotary chuck 43 to move downwards, one side of the bottom end of the driving device 42 abuts against the top of the limiting rod a33, the limiting rod a33 is pressed and moved downwards until the bottom surface contacts the limiting screw B, clamping the rotor shaft, controlling the driving device 42 to move upwards to return to the initial position by the air cylinder C41, controlling the rotor front feeding plate 32 to move leftwards to reset by the air cylinder A31, controlling the driving device 42 to move downwards and simultaneously driving the rotary chuck 43 to move downwards, controlling the top end side of the driving device 42 to abut against the top end of the limiting rod B551, controlling the driving device 42 and the rotary chuck 43 to stop moving, controlling the rotary chuck 43 to move downwards by the driving device 42, controlling the limiting rod B551 to move downwards according to a specific motion curve controlled by a program by the electric cylinder 552, controlling the driving device 42 to continuously move downwards by the top end of the limiting rod B551 by the air cylinder C41, driving the rotary chuck 43 to move downwards together, using centrifugal friction force to poke the steering gear on the rotor to open the electric brush and spirally assemble the rotor shaft into the bearing inner hole of the end cover to assemble the rotor into the end cover, abutting against the limiting screw A53 on, the rotating chuck 43 stops rotating, and the limiting rod B551 stops moving downwards at the same time, so that the rotor assembly end cover is completed; the driving device 42 controls the opening action of the rotating chuck 43, the air cylinder C41 controls the driving device 42 to move upwards and reset, the driving rotor 42 controls the rotating chuck 43 to close and reset, and the electric cylinder 552 controls the limiting rod B551 to move upwards and reset.

Example two:

on the basis of the first specific embodiment, a driving guide rail can be additionally arranged on one side of the rotor positioning groove 34, a feeding chuck can be additionally arranged at the upper end of the rotor positioning groove to realize integrated material conveying and feeding, and a driving guide rail and a feeding chuck are additionally arranged on one side of the end cover guide groove 52 to realize integrated material conveying and feeding; sliding rail limiting rods can be additionally arranged on the two sides of the rotor conveying plate, so that the condition that the conveying rotor is deviated due to abrasion of the sliding rails 35 caused by long-term use and the rotor cannot be clamped by the rotary chuck 43 is prevented; the middle part of the front end of the device can adopt a sliding door type transparent window, the rest directions are sealed by non-transparent materials, the appearance is not influenced, meanwhile, the working state of the interior of the device can be observed through the transparent window, the fault of dust covering a circuit can be prevented, and the movement of each part of dust deposition of equipment is prevented from being blocked; the mechanism can be combined with other micro-motor production mechanisms to form micro-motor automatic production equipment, and can also be used for assembling other similar products.

The rotor input end cover mechanism of the utility model has simple structure, reasonable design and high production efficiency, and increases the product utilization rate; the mechanism has strong compatibility and can be assembled into automatic equipment with corresponding equipment according to application requirements.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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. A mechanism for enabling a rotor to enter an end cover is characterized by comprising a supporting plate, a mounting plate, a rotor conveying mechanism, a rotor assembling mechanism and an end cover fixing mechanism, wherein one side of the supporting plate is connected with the mounting plate, the rotor conveying mechanism is arranged on one side of the mounting plate, the end cover fixing mechanism is arranged on the other side of the mounting plate, the rotor assembling mechanism is arranged on the supporting plate and is positioned above the end cover fixing mechanism, the rotor conveying mechanism comprises a cylinder A, a rotor front feeding plate, a limiting rod, a rotor positioning groove and a sliding rail, the sliding rail is arranged at the upper end of one side of the mounting plate, the upper end of the sliding rail is connected with the rotor front feeding plate, one side of the rotor front feeding plate is connected with the cylinder A, the other side of the rotor front feeding plate is; the rotor assembling mechanism comprises an air cylinder C, a linkage device and a rotary chuck, the air cylinder C is arranged at the upper right end of the supporting plate, the lower end of the air cylinder C is connected with the linkage device, and an output position at the lower end of the linkage device is connected with the rotary chuck; the end cover fixing mechanism comprises an end cover positioning plate, an end cover guide groove, a limiting screw A, a limiting screw B, a limiting electric cylinder and an end cover guide groove, the limiting screw A is connected to the mounting plate, the limiting screw A is located on the right side of the rotor positioning groove, the limiting screw B is located on the right side of the limiting screw A, the limiting electric cylinder is located on the right side of the limiting screw B, the end cover guide groove is located on the right side of the limiting electric cylinder, an end cover positioning plate is arranged at the upper end of the end cover guide groove, and the end cover positioning plate is used for positioning the end cover under.

2. The mechanism for inserting the rotor into the end cover as claimed in claim 1, wherein the cylinder C controls the linkage device to move up and down along the axial direction of the rotating chuck and simultaneously drives the rotating chuck to move up and down.

3. A rotor end cap feeding mechanism according to claim 1, wherein the linkage means controls the spin chuck to rotate and open and close the spin chuck.

4. The mechanism for inserting the rotor into the end cover as claimed in claim 1, wherein the bottom end of the rotor front feeding plate is concave for being sleeved on the upper end of the slide rail to limit the rotor front feeding plate to move left and right.

5. The mechanism for inserting the end cover of the rotor as recited in claim 4, wherein the cylinder A controls the rotor feed plate to move horizontally along the rotor positioning groove, and drives the limiting rod A to move at the same time until the limiting rod A reaches a position vertically above the limiting screw A and stops moving, and the rotor positioning groove is located right below the rotary chuck.

6. The mechanism of claim 1, wherein the limiting electric cylinder comprises a limiting rod B and an electric cylinder, the limiting rod B is located on the upper side of the mounting plate, the electric cylinder is located on the lower side of the mounting plate, the bottom surface of the limiting rod B is attached to the end surface of the output shaft of the electric cylinder, and the height position of the top surface of the limiting rod B is controlled by the movement program of the electric cylinder.

7. The mechanism for inserting the end cover of the rotor as claimed in claim 6, wherein the electric cylinder controls the limiting rod B to move up and down according to a specific movement curve.

8. The rotor end cover mechanism as claimed in claim 1, wherein the end cover guide groove is formed by two cuboid left and right rows, and a gap enough to accommodate the end cover is left in the middle of the end cover guide groove.

9. A rotor end cap feeding mechanism according to claim 1, wherein the end cap positioning plate is provided with an inner groove at the end connected to the end cap guide groove.