Automatic lathe for processing outer circle run-out of motor shaft

Abstract

The utility model relates to the technical field of precision automatic lathe, in particular to a precision automatic lathe for processing outer circle run-out of a motor shaft, which comprises a precision automatic lathe mounting plate. The hollow positioning ring is fixedly mounted at the top of the precision automatic lathe mounting plate; the three positioning assemblies are mounted on the hollow positioning ring in a circumferential array; and the driving assembly is used for driving the three positioning assemblies. The driving gear is controlled to rotate through the driving motor, the inner gear ring can be driven to rotate in the annular groove through the tooth groove meshed with the driving gear, then the connecting gears meshed with the inner gear ring are driven to rotate, and finally each rack is driven to move towards the center of the hollow positioning ring till each ball block abuts against the surface of the motor shaft. And clamping and positioning of motor shafts of different sizes can be achieved, and the applicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heart machine technical field especially relates to a kind of heart machines for motor shaft outer circle runout processing. BACKGROUND

[0002] Motor shaft as the core component of motor, the machining precision of its outer circle directly influences the operating performance of motor.Motor shaft's outer circle often appears runout phenomenon.This runout can cause vibration, noise when motor is running, even affect the life of motor.And in order to solve this runout phenomenon, generally will be processed by heart machine to it and finish machining.

[0003] At present, when heart machine is handled to motor shaft outer circle runout, in order to ensure that workpiece does not occur loosening or deviation in machining process, motor shaft is often clamped, and the existing heart machine is all for unadjustable structure when clamping motor shaft, cannot adapt to the clamping fixation of different sizes motor shaft, leading to lower applicability. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem in the background art, and proposes a kind of heart machines for motor shaft outer circle runout processing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of heart machines for motor shaft outer circle runout processing, it include:

[0007] Heart machine mounting plate;

[0008] Hollow positioning ring, fixedly installed in the top of the heart machine mounting plate;

[0009] Three positioning assemblies, are installed on the hollow positioning ring in circumferential array;

[0010] Driving assembly, for driving three positioning assemblies;

[0011] The positioning assembly includes the connecting gear rotatably installed in the inner cavity of hollow positioning ring, the connecting gear is externally engaged with two racks, the end of each rack is slidably inserted with a limit rod, and the limit rod is fixedly installed in the inner cavity of hollow positioning ring, the end of each rack is movably penetrated to the inner side of hollow positioning ring and fixedly installed with incomplete spherical shell, and each incomplete spherical shell is movably embedded with ball block.

[0012] Preferably, the driving assembly includes the inner tooth ring movably embedded in the inner cavity of hollow positioning ring, the outer surface of the inner tooth ring is provided with tooth groove, the tooth groove is externally engaged with driving gear, and the driving gear is movably penetrated to the outer wall of hollow positioning ring, and the surface of the hollow positioning ring is fixedly installed with driving motor for driving gear.

[0013] Preferably, the top of the walking machine mounting plate is symmetrically provided with a plurality of mounting holes.

[0014] Preferably, the surface of the hollow positioning ring inner cavity is provided with an annular groove, and the annular groove is in sliding connection with the inner tooth ring.

[0015] Preferably, each of the limiting rods is a quadrangular prism.

[0016] Preferably, the surface of the hollow positioning ring is provided with a through hole, and the through hole is in movable connection with the driving gear and is in communication with the annular groove.

[0017] Compared with the prior art, the walking machine for motor shaft outer circle runout processing has the advantages that:

[0018] The driving motor controls the rotation of the driving gear, the tooth groove in meshing with the driving gear can drive the inner tooth ring to rotate in the annular groove, then a plurality of connecting gears in meshing with the inner tooth ring are driven to rotate, finally each rack is driven to move to the center of the hollow positioning ring, until each ball block abuts against the surface of the motor shaft, so that the clamping and positioning of the motor shaft of different sizes can be realized, and the applicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is an internal structure schematic view of the walking machine for motor shaft outer circle runout processing;

[0020] Fig. 2 It is a structure schematic view of the walking machine for motor shaft outer circle runout processing;

[0021] Fig. 3 It is a local structure schematic view of the walking machine for motor shaft outer circle runout processing.

[0022] In the figure: 1, walking machine mounting plate; 2, hollow positioning ring; 3, connecting gear; 4, rack; 5, limiting rod; 6, incomplete spherical shell; 7, ball block; 8, inner tooth ring; 9, tooth groove; 10, driving gear; 11, driving motor; 12, mounting hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0024] Referring to Figs. 1 to 3 A walking machine for motor shaft outer circle runout processing, comprising:

[0025] The walking machine mounting plate 1, the top of the walking machine mounting plate 1 is symmetrically provided with a plurality of mounting holes 12, and the device can be mounted in the walking machine by penetrating the mounting holes 12 with rivets or screws, and used for processing the motor shaft in cooperation with the walking machine.

[0026] The hollow positioning ring 2 is fixedly installed on the top of the walking machine mounting plate 1, and three positioning assemblies are installed in a circumferential array on the hollow positioning ring 2. The positioning assembly comprises a connecting gear 3 rotatably installed in the inner cavity of the hollow positioning ring 2, two racks 4 externally meshed with the connecting gear 3, a limiting rod 5 slidably inserted at the end of each rack 4, and the limiting rod 5 fixedly installed in the inner cavity of the hollow positioning ring 2. Each limiting rod 5 is in a quadrangular prism shape and has a limiting function to prevent the racks 4 from deflecting during movement and affecting use.

[0027] The end of each rack 4 is movably penetrated into the inner side of the hollow positioning ring 2 and fixedly installed with an incomplete spherical shell 6. Each incomplete spherical shell 6 movably embeds a ball block 7. When the ball block 7 contacts the motor shaft, it can position the motor shaft without affecting the movement and rotation of the motor shaft, so that the walking machine can normally process the motor shaft.

[0028] The driving assembly is used for driving the three positioning assemblies. The driving assembly comprises an inner tooth ring 8 movably embedded in the inner cavity of the hollow positioning ring 2. The surface of the inner cavity of the hollow positioning ring 2 is provided with an annular groove, and the outer surface of the inner tooth ring 8 is slidably connected with the annular groove. The outer surface of the inner tooth ring 8 is provided with a tooth groove 9. The tooth groove 9 externally meshes with a driving gear 10, and the driving gear 10 is movably penetrated into the outer wall of the hollow positioning ring 2. The surface of the hollow positioning ring 2 is provided with a through hole, and the through hole is movably connected with the driving gear 10 and communicates with the annular groove. The surface of the hollow positioning ring 2 is fixedly installed with a driving motor 11 for driving the driving gear 10. When the walking machine processes the motor shaft, the motor shaft is first inserted into the hollow positioning ring 2, and then the driving motor 11 is started to control the rotation of the driving gear 10. The inner tooth ring 8 can be rotated in the annular groove through the tooth groove 9 meshed therewith, and then a plurality of connecting gears 3 meshed therewith are rotated, and finally each rack 4 moves towards the center of the hollow positioning ring 2, until each ball block 7 abuts against the surface of the motor shaft, so as to realize the clamping and positioning of the motor shaft of different sizes.

[0029] Further, the above-mentioned fixed connection should be understood in a broad sense unless otherwise specified and limited, for example, it can be welding, or gluing, or integrally formed, etc. The common means familiar to those skilled in the art.

[0030] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A turning machine for motor shaft out-of-roundness processing, characterized by, The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies. The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies. The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies. The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies. The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies. The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies.

2. The turning machine for processing the run-out of the motor shaft according to claim 1, characterized in that, The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies.

3. The turning machine for processing the run-out of a motor shaft according to claim 1, characterized in that, The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies.

4. The turning machine for processing the run-out of a motor shaft outer circle according to claim 2, characterized in that, The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies.

5. The turning machine for processing the run-out of a motor shaft outer circle according to claim 1, characterized in that, The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies.

6. The turning machine for processing the run-out of a motor shaft outer circle according to claim 4, characterized in that, The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies. The utility model relates to a hollow positioning ring (2) is fixedly installed on the top of hollow machine mounting plate (1), three positioning assemblies are installed on the hollow positioning ring (2) in circumferential array, and drive assembly is used for driving three positioning assemblies. 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