CN212350517U

CN212350517U - Processing device for tangential key groove of motor shaft

Info

Publication number: CN212350517U
Application number: CN202021091507.XU
Authority: CN
Inventors: 陈建平; 张奔; 邓汉辉; 秦科
Original assignee: Atb Motors Wuhan Co ltd; Wolong Electric Group Co Ltd
Current assignee: Atb Motors Wuhan Co ltd; Wolong Electric Drive Group Co Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-01-15
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to a motor shaft processing technology field especially relates to a processingequipment of motor shaft tangential keyway, the V-arrangement piece through adjustment V-arrangement anchor clamps is at the translation of Y axle direction, reach A, B two planar central planes and the coincidence of milling cutter central line of V-arrangement piece, then install the pivot on the V-arrangement anchor clamps after rectifying, it is fixed to the one end of countershaft with the graduated disk, process the first tangential keyway of countershaft through milling cutter, then the horizontal displacement of adjustment V-arrangement anchor clamps, and rotate the graduated disk and drive the pivot and around the rotatory 120 degrees of central line, process the second tangential keyway of countershaft through milling cutter once more. The utility model discloses can the function of full play equipment and frock, the keyway precision of easy operation, processing is high, and is also not high to equipment and operating personnel's requirement, has improved the machining efficiency of this process greatly, has reduced manufacturing cost. Meanwhile, the investment of special equipment and the training cost of operators are saved for enterprises.

Description

Processing device for tangential key groove of motor shaft

Technical Field

The utility model relates to a motor shaft processing technology field specifically is a processingequipment of motor shaft tangential keyway.

Background

The output of the torque and the rotating speed of the motor is usually realized by a coupling arranged on the motor to drive a coupling on the driven equipment. The motor shaft extension and the coupler are matched with each other at an angle of 120 degrees, the machining precision of the tangential key groove with the opposite opening is the key for determining the installation precision of the coupler, so that the machining difficulty is high, and the machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a processingequipment of motor shaft tangential keyway possesses the characteristics of simple and high-efficient processing, and it is big to have solved the tangential keyway processing degree of difficulty, problem that machining efficiency is low.

In order to achieve the above object, the utility model provides a following technical scheme: the machining device for the tangential key slot of the motor shaft comprises a milling cutter, a rotating shaft, two V-shaped clamps and an index plate, wherein the V-shaped clamps are arranged on a milling machine working table, can horizontally move along two directions of an X axis and a Y axis which are perpendicular to each other on the milling machine working table, the rotating shaft is arranged on the two V-shaped clamps, the index plate is used for controlling the rotating angle of the rotating shaft, and the milling cutter is used for machining the tangential key slot of the rotating shaft on the V-shaped clamps.

Preferably, the V-shaped clamp comprises a positioning key, a base, an adjusting screw and a V-shaped block, the positioning key is embedded into a T-shaped groove of the milling machine table surface and fixed, a key groove of the base is embedded into the positioning key, the V-shaped clamp realizes accurate movement on the X axis through the positioning key, and the V-shaped clamp realizes accurate movement on the Y axis through rotating an adjusting bolt.

Preferably, the V-shaped clamp further comprises a first pressing plate and a second pressing plate, the first pressing plate is used for fixing the V-shaped clamp on the milling machine table surface, and the second pressing plate is used for fixing the rotating shaft on the V-shaped clamp.

Preferably, the milling cutter measures the distance between the milling cutter and the A surface of the V-shaped clamp through a dial indicator, and the milling cutter measures the distance between the milling cutter and the B surface of the V-shaped clamp through the dial indicator.

Preferably, the index plate is fixed on the surface of the milling machine table, the index plate is installed at one end of the rotating shaft, and the rotating shaft rotates around the central axis by rotating the index plate handle.

Compared with the prior art, the beneficial effects of the utility model are as follows:

by adopting the V-shaped clamp, the V-shaped clamp is used for supporting and fixing the rotating shaft on one hand; on the other hand, the positioning key and the adjusting screw on the tool are utilized to finish the accurate positioning of the rotating shaft on the horizontal plane of the milling machine working table, so that the possibility of processing a high-precision tangential key groove is realized. The technical scheme can fully exert the functions of equipment and tools, is simple to operate, has high precision of the processed key slot, has low requirements on the equipment and operators, greatly improves the processing efficiency of the process and reduces the production cost. Meanwhile, the investment of special equipment and the training cost of operators are saved for enterprises.

Drawings

FIG. 1 is a schematic view of the fixing and clamping of the rotating shaft of the present invention;

FIG. 2 is a schematic view of the structure of the V-shaped clamp of the present invention;

FIG. 3 is a schematic view illustrating the symmetry adjustment of the V-shaped clamp of the present invention;

FIG. 4 is a schematic view of a first tangential keyway processing of the present invention;

fig. 5 is a schematic view of the second tangential keyway processing of the present invention.

In the figure: 1. milling cutters; 2. a rotating shaft; 3. a V-shaped clamp; 31. a positioning key; 32. a base; 33. adjusting the screw rod; 34. a V-shaped block; 35. a first platen; 36. a second platen; 4. an index plate; 5. and (4) a dial indicator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a device for machining a tangential keyway of a motor shaft comprises a milling cutter 1, a rotating shaft 2, two V-shaped clamps 3 and an index plate 4, wherein the V-shaped clamps 3 are mounted on a milling machine table, the V-shaped clamps 3 can horizontally move along two directions, namely an X axis and a Y axis, which are perpendicular to each other, on the milling machine table, the rotating shaft 2 is mounted on the two V-shaped clamps 3, the index plate 4 is used for controlling the rotating angle of the rotating shaft 2, and the milling cutter 1 is used for machining the tangential keyway of the rotating shaft 2 on the V-shaped clamps 3.

The V-shaped clamp 3 comprises a positioning key 31, a base 32, an adjusting screw 33 and a V-shaped block 34, the positioning key 31 is embedded into a T-shaped groove of a milling machine working table surface and fixed, a key groove of the base 32 is embedded into the positioning key 31, the V-shaped clamp 3 can move on the X axis accurately through the positioning key 31, and the V-shaped clamp 3 can move on the Y axis accurately through rotating an adjusting bolt.

The V-clamp 3 further comprises a first pressure plate 35 and a second pressure plate 36, the first pressure plate 35 being used for fixing the V-clamp 3 on the milling machine table, and the second pressure plate 36 being used for fixing the rotating shaft 2 on the V-clamp 3.

The milling cutter 1 measures the distance between the milling cutter 1 and the A surface of the V-shaped clamp 3 through a dial indicator 5, and the milling cutter 1 measures the distance between the milling cutter 1 and the B surface of the V-shaped clamp 3 through the dial indicator 5.

The index plate 4 is fixed on the surface of the milling machine table, the index plate 4 is arranged at one end of the rotating shaft 2, and the rotating shaft 2 rotates around the central axis by rotating the index plate handle through the index plate 4.

Installation and debugging of the tool:

a common vertical keyway milling machine with a working table capable of horizontally moving along an X axis and a Y axis is selected, and two square positioning keys 31 are embedded in a T-shaped groove in the middle of the working table of the milling machine. Then, two V-shaped clamps 3 are fixed on the table surface of the milling machine, and the base 32 of the V-shaped clamp 3 is embedded into the positioning key 31 by key way.

And the distance between the two V-shaped clamps 3 is adjusted along the X-axis direction, so that the front and rear bearing positions of the rotating shaft 2 can be placed in the two V-shaped grooves of the V-shaped clamps 3, and then the V-shaped clamps 3 are fixed on the surface of the milling machine workbench by using a pressing plate.

The dial indicator 5 frame with the sucking disc is sucked on the end face of the milling cutter 1 to be fixed, the dial indicator 5 is installed on the fixing rod, and the fixing rod is adjusted, so that when the dial indicator 5 rotates along with the milling cutter 1, contacts of the dial indicator 5 can respectively contact the A, B planes of the No. 1V-shaped clamp 3. Then, the milling cutter 1 is slowly rotated for one circle, and the symmetry deviation between the central plane of the two planes A, B and the central line of the milling cutter 1 is measured according to the difference between the contact of the dial indicator 5 and the shortest distances between the surface A and the surface B. According to the deviation difference, the adjusting screw 33 on the base 32 of the V-shaped clamp 3 is slowly rotated, and the central planes of the two planes A, B are coincident with the central line of the milling cutter 1 through the translation of the V-shaped block 34 in the Y-axis direction.

The symmetry of the two planes of the V-clip No. 2 3A, B was corrected in the same manner as described above.

Machining a tangential key groove:

the bearing positions at the two ends of the rotating shaft 2 are used as supporting surfaces, the rotating shaft 2 is arranged in a V-shaped groove of the V-shaped clamp 3, and the rotating shaft 2 is fixed by a pressing plate.

The index plate 4 with three claws is fixed at the tail part of the milling machine workbench, and the excircle of the non-shaft-extension end of the rotating shaft 2 is clamped by the three-claw clamp.

According to the size of the circular arc R on the tangential key groove, a vertical milling cutter 1 with the diameter of 2R is selected and installed on the milling cutter disc. And then, operating the milling machine workbench to horizontally move for R distance along the positive direction of the Y axis, so that the excircle of the milling cutter 1 is ensured to be tangent to the Y plane of the rotating shaft 2.

And according to the requirement of a drawing, finishing the processing of the first tangential key groove by adopting a milling process along the contour line of the tangential key groove.

The second pressure plate 36 on the rotating shaft 2 is released, the indexing disc 4 is rotated to drive the rotating shaft 2 to rotate 120 degrees around the central line, and then the rotating shaft 2 is fixed by the second pressure plate 36 again.

The milling machine worktable is operated to horizontally move for R distance along the Y-axis negative direction, so that the excircle of the milling cutter 1 is ensured to be tangent to the Y plane of the rotating shaft 2.

And according to the requirements of the drawing, finishing the processing of the second tangential key groove by adopting a milling process along the contour line of the tangential key groove.

The utility model discloses in, can prolong two direction horizontal accurate removal's of X axle and Y axle special V clamp 3 for support pivot 2, be equipped with the graduated disk 4 of taking the three-jaw again, in order to realize that pivot 2 passes through V clamp 3 and graduated disk 4, can accurate horizontal migration on vertical milling machine table surface and the accurate rotation that prolongs the central axis, thereby realize the processing of 2 tangential keyways of motor shaft on ordinary vertical milling machine.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a processingequipment of motor shaft tangential keyway, includes milling cutter (1) and pivot (2), its characterized in that: still include two V-arrangement anchor clamps (3) and graduated disk (4), install on milling machine table surface V-arrangement anchor clamps (3), and two direction horizontal migration of X axle and Y axle that milling machine table surface goes up mutually perpendicular can be followed in V-arrangement anchor clamps (3), pivot (2) are installed on two V-arrangement anchor clamps (3), graduated disk (4) are used for controlling the rotation angle of pivot (2), milling cutter (1) are used for processing the tangential keyway of pivot (2) on V-arrangement anchor clamps (3).

2. The device for machining the tangential keyway of the motor shaft as set forth in claim 1, wherein: v-arrangement anchor clamps (3) are including navigation key (31), base (32), adjusting screw (33) and V-arrangement piece (34), navigation key (31) embedding milling machine table surface's T inslot is fixed, in the keyway embedding navigation key (31) of base (32), accurate removal on the X axle is realized through navigation key (31) in V-arrangement anchor clamps (3), accurate removal on the Y axle is realized through rotatory adjusting bolt in V-arrangement anchor clamps (3).

3. The device for machining the tangential keyway of the motor shaft as set forth in claim 2, wherein: the V-shaped fixture (3) further comprises a first pressing plate (35) and a second pressing plate (36), the first pressing plate (35) is used for fixing the V-shaped fixture (3) on the surface of a milling machine workbench, and the second pressing plate (36) is used for fixing the rotating shaft (2) on the V-shaped fixture (3).

4. The device for machining the tangential keyway of the motor shaft as set forth in claim 2, wherein: the distance between the milling cutter (1) and the surface A of the V-shaped clamp (3) is measured through a dial indicator (5), and the distance between the milling cutter (1) and the surface B of the V-shaped clamp (3) is measured through the dial indicator (5).

5. The device for machining the tangential keyway of the motor shaft as set forth in claim 2, wherein: the dividing plate (4) is fixed on the surface of a milling machine table, the dividing plate (4) is installed at one end of the rotating shaft (2), and the rotating shaft (2) rotates around the central axis by rotating the dividing plate handle through the dividing plate (4).