CN212042835U

CN212042835U - Double-head milling mechanism for key groove of rotating shaft of starting motor

Info

Publication number: CN212042835U
Application number: CN202020470941.2U
Authority: CN
Inventors: 章海英; 王贤景
Original assignee: Zhejiang Zhongpeng Electromechanical Co Ltd
Current assignee: Zhejiang Zhongpeng Electromechanical Co Ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-01
Anticipated expiration: 2030-04-02

Abstract

The utility model belongs to the technical field of milling equipment, especially, relate to a starter motor pivot keyway double-end mills mechanism. The utility model discloses, the test platform comprises a support, the frame on the rotatable rolling disc that is equipped with, the rolling disc on be equipped with a plurality of motor cabinet clamping rod that are the annular array and distribute along the rolling disc central point, the rolling disc on still be equipped with a plurality of motor cabinet location chassis that are the annular array and distribute along the rolling disc central point. The utility model discloses a set up on the rolling disc a plurality of motor cabinet location chassis that are the annular array and distribute along the rolling disc central point, motor cabinet butt joint board and motor cabinet clamping rod, can play the fixed clamping effect to a plurality of motor cover seats simultaneously, avoid milling the in-process, the motor cover seat takes place the skew, fixed effect is better, be difficult for sliding, simultaneously through setting up a plurality of end milling cutter and face milling cutter, mill keyway and keyway face to a plurality of motor cover seats, it is efficient to mill, the labor intensity is reduced, easy dismounting.

Description

Double-head milling mechanism for key groove of rotating shaft of starting motor

Technical Field

The utility model belongs to the technical field of milling equipment, a starter motor pivot keyway double-end mills mechanism is related to.

Background

The keys are keys in mechanical transmission and mainly used for circumferential fixation between the shaft and parts on the shaft to transmit torque, and some keys can also realize axial fixation or axial movement of the parts on the shaft; a groove matched with the key is machined on a shaft or in a hole and used for installing the key, so that torque is transmitted, the groove is called a key groove, a rotating shaft key groove needs to be machined in a motor cover seat corresponding to a rotating shaft and used for installing the key, and a plurality of devices are needed to be used for milling key grooves and key groove surfaces of a plurality of parts simultaneously in the conventional milling device, so that the milling efficiency is low, the parts are inconvenient to disassemble and assemble, and the labor intensity is high.

In order to overcome the defects of the prior art, people continuously explore and provide various solutions, for example, a numerical control opposite slot milling machine is disclosed in a Chinese patent (application number: 201320640956.9], the numerical control machine tool comprises a machine tool base, wherein a numerical control working platform is arranged in the middle of the machine tool base, a fixture body is arranged on the numerical control working platform, left and right numerical control sliding tables are symmetrically arranged on two sides of the numerical control working platform respectively, left and right machine tool bodies are arranged on the left and right numerical control sliding tables respectively, left and right milling heads are arranged on vertical guide rails of the left and right machine tool bodies respectively, and the left and right milling heads are connected with left and right driving motors respectively. The utility model discloses a two-way numerical control of symmetry advances cutting simultaneously and has solved the three technical problem when adopting universal milling machine to mill big thickness symmetric groove: after one groove is machined, the symmetrical groove on the other side is machined after the cutter is withdrawn and turned over, so that the machining time is long; because the stress of the single-side milling part is uneven, the large feeding amount cannot be adopted; the degree of automation is low. But this scheme still exists and needs to use a plurality of equipment to carry out keyway milling and keyway face milling to a plurality of spare parts simultaneously, and milling efficiency is lower, and the dismouting to spare part is inconvenient simultaneously, and intensity of labour is great defect.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a starting motor pivot keyway double-end mills mechanism is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a starting motor pivot keyway double-end mills mechanism, includes the frame, the frame on the rotatable rolling disc that is equipped with, the rolling disc on be equipped with a plurality of motor cabinet clamping rod that are the annular array and distribute along the rolling disc central point, the rolling disc on still be equipped with a plurality of motor cabinet location chassis that are the annular array and distribute along the rolling disc central point, motor cabinet location chassis on be equipped with motor cabinet butt joint board, motor cabinet butt joint board be close to motor cabinet clamping rod one end and be the arc, motor cabinet clamping rod and motor cabinet butt joint board's position one-to-one, rolling disc top be equipped with the end milling cutter and the face milling cutter of two sets of adjacent settings, when the rolling disc is along circumferential direction, end milling cutter and face milling cutter can be corresponding with the position on a motor cabinet location chassis respectively.

In foretell starting motor pivot keyway double-end mills mechanism, motor cabinet location chassis on be equipped with two support fixed plates along motor cabinet location chassis central line symmetry, support fixed plate and motor cabinet butt board fixed connection, motor cabinet butt board be located between two support fixed plates.

In foretell starter motor pivot keyway double-end milling machine constructs, motor cabinet butt inboard in be equipped with the scour protection groove, the scour protection groove be the annular, the central line of motor cabinet butt joint board and the axial lead of motor cabinet clamping bar coincide each other.

In foretell starting motor pivot keyway double-end mills mechanism, motor cabinet clamp bar can be followed and be close to or keep away from motor cabinet location chassis one end and be horizontal straight line reciprocating motion, the rolling disc on still be equipped with a plurality of pneumatic linear actuator that are the annular array and distribute along the rolling disc central point, pneumatic linear actuator's power shaft and motor cabinet clamp bar link to each other.

In the double-head milling mechanism for the key groove of the rotating shaft of the starting motor, the top of the rotating disc is provided with the air supply part, and the air supply part is connected with the pneumatic linear driver through the air pipe.

In the double-end milling mechanism for the key groove of the starting motor rotating shaft, a limiting plate is arranged between the pneumatic linear driver and the motor base positioning chassis, and the motor base clamping rod penetrates through the limiting plate and the outer wall of the motor base clamping rod to be in sliding fit with the inner wall of the limiting plate.

In the double-end milling mechanism for the key groove of the rotating shaft of the starting motor, two end mills and two face mills are arranged above the rotating disc, and after two motor base positioning chassis positioned right below the end mills rotate for 120 degrees, the two motor base positioning chassis rotate to right below the face mills.

In foretell starting motor pivot keyway double-end milling machine constructs, the frame on be equipped with two first linear actuator, first linear actuator's power shaft be connected with first drive mount pad, first drive mount pad in be equipped with first circumferential direction ware, first circumferential direction ware's axis of rotation link to each other with end mill.

In the double-head milling mechanism for the key groove of the rotating shaft of the starting motor, the base is further provided with two second linear drivers, a power shaft of each second linear driver is connected with a second driving installation seat, a second circumferential rotator is arranged in each second driving installation seat, and a rotating shaft of each second circumferential rotator is connected with the face milling cutter.

In the double-head milling mechanism for the key groove of the rotating shaft of the starting motor, the base is provided with a plurality of chip removing brushes capable of reciprocating along a straight line, and the chip removing brushes correspond to the positioning chassis of the motor base in position.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a set up on the rolling disc a plurality of motor cabinet location chassis that are the annular array and distribute along the rolling disc central point, motor cabinet butt joint board and motor cabinet clamping rod, can play the fixed clamping effect to a plurality of motor cover seats simultaneously, avoid milling the in-process, the motor cover seat takes place the skew, fixed effect is better, be difficult for sliding, simultaneously through setting up a plurality of end milling cutter and face milling cutter, mill keyway and keyway face to a plurality of motor cover seats, it is efficient to mill, the labor intensity is reduced, easy dismounting.

2. The utility model discloses a setting up and removing the bits brush, rotating the in-process at the rolling disc, removing the bits brush and removing to being close to motor cabinet location chassis one end for remove the bits brush and contact with the tight motor cover seat of fixed clamp, carry out the partial clastic removal to the motor cover seat through removing the bits brush, avoid the piece to mill and cause the influence, improve the accuracy of milling.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view at a in fig. 1.

In the figure: the device comprises a machine base 1, a rotating disc 2, a motor base clamping rod 4, an end mill 5, a face mill 6, a motor base positioning chassis 7, a supporting and fixing plate 8, a motor base abutting plate 9, a pneumatic linear driver 10, an air supply piece 11, a limiting plate 12, a first linear driver 13, a first driving installation base 14, a first circumferential rotator 15, a second linear driver 16, a second driving installation base 17, a second circumferential rotator 18, a chip removing brush 19 and an anti-impact groove 20.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, a double-head milling mechanism for a key groove of a rotating shaft of a starting motor comprises a base 1, the base 1 is rotatably provided with a rotating disc 2, the rotating disc 2 is provided with a plurality of motor base clamping rods 4 which are distributed along the central point of the rotating disc 2 in an annular array, the rotating disc 2 is also provided with a plurality of motor seat positioning chassis 7 which are distributed along the central point of the rotating disc 2 in an annular array, a motor base abutting plate 9 is arranged on the motor base positioning chassis 7, one end of the motor base abutting plate 9 close to the motor base clamping rod 4 is arc-shaped, the motor base clamping rods 4 correspond to the motor base abutting plates 9 one by one, two groups of end mills 5 and face mills 6 which are adjacently arranged are arranged above the rotating disc 2, when the rotating disc 2 rotates along the circumferential direction, the end mill 5 and the face mill 6 can respectively correspond to the position of a motor base positioning chassis 7.

In the embodiment, when a rotating shaft key groove milling process needs to be performed on the motor cover base, the motor cover base is placed on the motor base positioning chassis 7, so that the motor cover base is in abutting fit with the arc-shaped end surface of the motor base abutting plate 9, the motor cover base is tightly attached to the motor base abutting plate 9, then the motor base clamping rod 4 is moved, so that the motor base clamping rod 4 moves towards one end close to the motor base abutting plate 9, a fixed clamping effect is performed on the motor cover base, the motor cover base is prevented from position deviation in the milling process, the fixing effect is good, sliding is not easy, when the fixed motor cover base moves under the vertical milling cutter 5, the plurality of motor cover bases are subjected to key groove milling by the group of vertical milling cutters 5, after the key groove milling is completed, the motor cover base is driven to rotate under the surface milling cutter 6 by rotating the rotating rotary disc 2, the plurality of motor cover bases are subjected to key groove milling by the group of surface milling cutters 6, after milling, the rotating disc 2 is rotated again, the motor cover seat which is milled is taken out, a plurality of parts can be milled simultaneously, milling efficiency is high, labor intensity is reduced, and disassembly and assembly are convenient.

Referring to fig. 1 and 2, two supporting and fixing plates 8 symmetrical along a central line of the motor base positioning chassis 7 are arranged on the motor base positioning chassis 7, the supporting and fixing plates 8 are fixedly connected with a motor base abutting plate 9, and the motor base abutting plate 9 is located between the two supporting and fixing plates 8.

Specifically speaking, support fixed plate 8 plays fixed action to motor cabinet butt joint board 9, avoids at the in-process of pressing from both sides tight fixed motor cover seat, and motor cabinet butt joint board 9 takes place offset and angular deviation.

Combine fig. 1, fig. 2 to show, motor cabinet butt joint board 9 in be equipped with scour protection groove 20, scour protection groove 20 be the annular, motor cabinet butt joint board 9 the central line and the axial lead of motor cabinet clamping bar 4 coincide each other, at the in-process of motor cabinet clamping bar 4 clamp tight motor cover seat, ensure that the stress point keeps unanimous, avoid pressing from both sides tight motor cover seat in-process, the motor cover seat takes place to slide, scour protection groove 20 side plays the effect of subtracting weight to motor cabinet butt joint board 9, under the condition that does not influence the butt motor cabinet, has saved the material, the cost is reduced, when using motor cabinet clamping bar 4 to press from both sides tight fixed motor cabinet, slow down the impact force, be close to the guard action of 9 one end terminal surfaces of motor cabinet butt joint board to the motor cabinet, avoid the motor cabinet to take place deformation.

The motor cabinet clamping rod 4 can do horizontal linear reciprocating motion along one end close to or far away from the motor cabinet positioning chassis 7, the rotating disc 2 is further provided with a plurality of pneumatic linear drivers 10 distributed in an annular array mode along the central point of the rotating disc 2, and the power shaft of each pneumatic linear driver 10 is connected with the motor cabinet clamping rod 4.

In this embodiment, when the motor base clamping rod 4 needs to be moved, the pneumatic linear actuator 10 is started, and the power shaft of the pneumatic linear actuator 10 drives the motor base clamping rod 4 to move, and those skilled in the art should understand that the pneumatic linear actuator 10 may adopt an air cylinder.

Referring to fig. 1, the top of the rotating disc 2 is provided with an air supply part 11, the air supply part 11 is connected with the pneumatic linear driver 10 through an air pipe, the air supply part 11 supplies air pressure to the pneumatic linear driver 10, and the air pipe plays a role in air transmission.

A limiting plate 12 is arranged between the pneumatic linear driver 10 and the motor base positioning chassis 7, and the motor base clamping rod 4 penetrates through the limiting plate 12 and the outer wall of the motor base clamping rod 4 is in sliding fit with the inner wall of the limiting plate 12.

In this embodiment, limiting plate 12 plays limiting displacement to motor cabinet clamp rod 4, avoids motor cabinet clamp rod 4 to press from both sides tight motor cover seat in-process, with motor cover seat butt back, and motor cabinet clamp rod 4 takes place the angular deviation, has improved and has pressed from both sides tight fixed accuracy, ensures the machining precision.

Two end mills 5 and two face mills 6 are arranged above the rotating disc 2, and after the two motor base positioning chassis 7 positioned under the end mills 5 rotate for 120 degrees, the two motor base positioning chassis 7 rotate to be under the face mills 6.

The preferred scheme, a set of end mill has two end mill 5, a set of face mill has two face mill 6, be equipped with 6 motor cabinet location chassis 7 that are the annular array and distribute along 2 central points of rolling disc on the rolling disc 2, accomplish the keyway simultaneously to two motor cover seats when two end mill 5 and mill the back, 2 rotations 120 of rolling disc, make two motor cover seats after accomplishing the keyway and milling rotate to two face mill 6 under, a face mill corresponds a motor cover seat, then advance the keyway face to two motor cover seats simultaneously and mill, accomplish and mill the back, rotate 120 with rolling disc 2 once more, unclamp motor cabinet clamping bar 4, will accomplish the motor cover seat after milling take out can, efficiency is higher.

Referring to fig. 1, two first linear drivers 13 are arranged on the base 1, a power shaft of each first linear driver 13 is connected with a first driving installation seat 14, a first circumferential rotator 15 is arranged in each first driving installation seat 14, and a rotating shaft of each first circumferential rotator 15 is connected with the end mill 5.

In this embodiment, when the position of the end mill 5 in the vertical direction needs to be moved, the first linear actuator 13 is started, the power shaft of the first linear actuator 13 drives the first driving mounting seat 14, the first circumferential rotator 15 and the end mill 5 to move, when milling is needed, the first circumferential rotator 15 is started, and the rotation shaft of the first circumferential rotator 15 drives the end mill 5 to rotate for milling, it should be understood by those skilled in the art that the first linear actuator 13 may be an air cylinder, an oil cylinder or a linear motor, and the first circumferential rotator 15 may be a motor or a rotary oil cylinder.

Referring to fig. 1 and 2, the base 1 is further provided with two second linear drivers 16, power shafts of the second linear drivers 16 are connected with second driving installation seats 17, second circumferential rotators 18 are arranged in the second driving installation seats 17, and rotating shafts of the second circumferential rotators 18 are connected with the face milling cutter 6.

In this embodiment, when the position of the face milling cutter 6 in the vertical direction needs to be moved, the second driving mounting seat 17 is started, the power shaft of the second driving mounting seat 17 drives the second driving mounting seat 17, the second circumferential rotator 18 and the face milling cutter 6 to move, when milling is needed, the second circumferential rotator 18 is started, and the rotation shaft of the second circumferential rotator 18 drives the face milling cutter 6 to rotate for milling, it should be understood by those skilled in the art that the second linear actuator 16 may be an air cylinder, an oil cylinder or a linear motor, and the second circumferential rotator 18 may be a motor or a rotary oil cylinder.

Combine fig. 1 to show, frame 1 on be equipped with a plurality of bits of removing brush 19 that can follow straight reciprocating motion, the position that removes bits brush 19 and motor cabinet location chassis 7 corresponding, the tip that removes bits brush 19 is equipped with the linear actuator, the cylinder is chooseed for use to the linear actuator here, the cylinder links to each other with removing bits brush 19, at the in-process of rotating rolling disc 2, will remove bits brush 19 and remove to being close to motor cabinet location chassis 7 one end, make and remove bits brush 19 and the motor cover seat contact of fixed clamp nature, carry out partial clastic the getting rid of through removing bits brush 19 to the motor cover seat, avoid the piece to lead to the fact the influence to milling, improve the accuracy of milling.

The utility model discloses a theory of operation is:

when a rotating shaft key groove milling process is required to be carried out on the motor cover base, the motor cover base is placed on the motor base positioning chassis 7, the motor cover base is abutted and matched with the arc-shaped end face of the motor base abutting plate 9, the motor cover base is tightly attached to the motor base abutting plate 9, then the motor base clamping rod 4 is moved, the motor base clamping rod 4 is moved towards one end close to the motor base abutting plate 9, a fixing and clamping effect is achieved on the motor cover base, the motor cover base is prevented from being shifted in position in the milling process, the fixing effect is good, the motor cover base is not easy to slide, when the fixed motor cover base moves to the position under the end mill 5, the key grooves of a plurality of motor cover bases are milled simultaneously through the group of end mills 5, after the key grooves are milled, the motor cover base is driven to rotate to the position under the face mill 6 by rotating the rotating disc 2, the key grooves of the plurality of motor cover bases are milled simultaneously through the group of face mills 6, after milling, the rotating disc 2 is rotated again, the motor cover seat which is milled is taken out, a plurality of parts can be milled simultaneously, milling efficiency is high, labor intensity is reduced, and disassembly and assembly are convenient.

Limiting plate 12 plays limiting displacement to motor cabinet clamp rod 4, avoids motor cabinet clamp rod 4 at the tight motor cover seat in-process of clamp, with motor cover seat butt back, and motor cabinet clamp rod 4 takes place the angular migration, has improved and has pressed from both sides tight fixed accuracy, ensures the machining precision.

At the in-process of rotating rolling disc 2, will remove bits brush 19 and remove to being close to 7 one ends in motor cabinet location chassis for remove bits brush 19 and contact with the fixed tight motor cover seat of clamp, carry out partial clastic getting rid of through removing bits brush 19 to the motor cover seat, avoid the piece to lead to the fact the influence to milling, improve the accuracy of milling.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although the terms of machine base 1, rotating disk 2, motor base clamping rod 4, end mill 5, face mill 6, motor base positioning chassis 7, support fixing plate 8, motor base abutting plate 9, pneumatic linear drive 10, air supply member 11, limit plate 12, first linear drive 13, first drive mounting base 14, first circumferential rotator 15, second linear drive 16, second drive mounting base 17, second circumferential rotator 18, chip removing brush 19, anti-erosion groove 20, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. A double-end milling mechanism for a rotating shaft key groove of a starting motor comprises a machine base (1) and is characterized in that a rotating disc (2) is rotatably arranged on the machine base (1), a plurality of motor base clamping rods (4) distributed in an annular array mode along the central point of the rotating disc (2) are arranged on the rotating disc (2), a plurality of motor base positioning chassis (7) distributed in an annular array mode along the central point of the rotating disc (2) are further arranged on the rotating disc (2), a motor base abutting plate (9) is arranged on the motor base positioning chassis (7), one end, close to the motor base clamping rods (4), of the motor base abutting plate (9) is arc-shaped, the motor base clamping rods (4) correspond to the motor base abutting plate (9) in a one-to-one mode in position, two groups of adjacent vertical milling cutters (5) and face milling cutters (6) are arranged above the rotating disc (2), when the rotating disc (2) rotates along the circumferential direction, the end mill (5) and the face mill (6) can respectively correspond to the position of a motor base positioning chassis (7).

2. The double-end milling mechanism for the key groove of the rotating shaft of the starting motor according to claim 1, wherein two supporting and fixing plates (8) which are symmetrical along the central line of the motor base positioning chassis (7) are arranged on the motor base positioning chassis (7), the supporting and fixing plates (8) are fixedly connected with a motor base abutting plate (9), and the motor base abutting plate (9) is located between the two supporting and fixing plates (8).

3. The double-end milling mechanism for the key groove of the rotating shaft of the starting motor as claimed in claim 2, wherein the motor base abutting plate (9) is internally provided with an anti-impact groove (20), the anti-impact groove (20) is annular, and the central line of the motor base abutting plate (9) and the axial line of the motor base clamping rod (4) coincide with each other.

4. The double-end milling mechanism for the key groove of the rotating shaft of the starting motor according to claim 3 is characterized in that the motor base clamping rod (4) can horizontally reciprocate linearly along one end close to or far away from the motor base positioning chassis (7), a plurality of pneumatic linear drivers (10) distributed in an annular array along the central point of the rotating disc (2) are further arranged on the rotating disc (2), and a power shaft of each pneumatic linear driver (10) is connected with the motor base clamping rod (4).

5. The double-head milling mechanism for the key groove of the rotating shaft of the starting motor as claimed in claim 4, wherein an air supply part (11) is arranged at the top of the rotating disc (2), and the air supply part (11) is connected with the pneumatic linear driver (10) through an air pipe.

6. The double-end milling mechanism for the key groove of the rotating shaft of the starting motor according to claim 4 is characterized in that a limiting plate (12) is arranged between the pneumatic linear driver (10) and the motor base positioning chassis (7), the motor base clamping rod (4) penetrates through the limiting plate (12), and the outer wall of the motor base clamping rod (4) is in sliding fit with the inner wall of the limiting plate (12).

7. The double-end milling mechanism for the key groove of the rotating shaft of the starting motor as claimed in claim 2, wherein two end mills (5) and two face mills (6) are arranged above the rotating disc (2), and when two motor base positioning chassis (7) positioned right below the end mills (5) rotate for 120 degrees, the two motor base positioning chassis (7) rotate to right below the face mills (6).

8. The double-head milling mechanism for the key slot of the rotating shaft of the starting motor as claimed in claim 1, wherein two first linear drivers (13) are arranged on the machine base (1), a power shaft of each first linear driver (13) is connected with a first driving installation base (14), a first circumferential rotator (15) is arranged in each first driving installation base (14), and a rotating shaft of each first circumferential rotator (15) is connected with the end mill (5).

9. The double-head milling mechanism for the key groove of the rotating shaft of the starting motor as claimed in claim 1, wherein two second linear drivers (16) are further arranged on the machine base (1), a power shaft of each second linear driver (16) is connected with a second driving installation base (17), a second circumferential rotator (18) is arranged in each second driving installation base (17), and a rotating shaft of each second circumferential rotator (18) is connected with the face milling cutter (6).

10. The double-head milling mechanism for the key groove of the rotating shaft of the starting motor as claimed in claim 2, wherein the base (1) is provided with a plurality of chip removing brushes (19) capable of reciprocating along a straight line, and the chip removing brushes (19) correspond to the motor base positioning chassis (7) in position.