Motor casing face work tooling and its processing technology
Technical field
The present invention relates to reducer technology field, in particular to a kind of motor casing face work tooling and its processing technology.
Background technique
Speed reducer includes motor and reduction gearbox, and rotation is provided with pitch wheel in reduction gearbox, forms one between gear
Determine reduction ratio, the output end of motor is coaxially fixed on the input terminal of reduction gearbox.The output revolving speed of motor is generally higher, and speed reducer is used
Slow down in the revolving speed that motor exports, to drive the equipment operation of the slow-speed of revolution.The motor of speed reducer is typically secured to slow down
On the side wall of case, the shaft of motor, the shaft of reduction gearbox need to keep higher concentricity.
Existing application publication number is that the Chinese invention patent application of CN105751020A discloses a kind of cross grinding tooling,
Including the guide rail for continuative transport workpiece, the two sides of guide rail are respectively provided with the grinding wheel mechanism of grinding workpiece both sides of the face,
Grinding wheel mechanism includes rack, and rack is equipped with the horizontal slide rail vertical with guide rail, and horizontal slide rail is equipped with motor cabinet, on motor cabinet
Motor is installed, the grinding wheel for being ground workpiece both sides of the face is installed in the shaft of motor.
Prior art among the above has the following deficiencies: the cross grinding tooling using preparatory vehicle motor shell end face
Form works, but in motor casing when loading stator, and the two can generate the shape expanded with heat and contract with cold in fastening, close-fitting installation
Become;And the axis of stator itself may deviate the axis of motor casing, after causing speed reducer to assemble, the axis runout of motor in
The axis of reduction gearbox influences the job stability of speed reducer.
Summary of the invention
In view of the deficienciess of the prior art, the first object of the present invention is to provide a kind of motor casing face work tooling,
It is easier to ensure the concentricity of machine shaft Yu reduction gearbox shaft, the job stability of speed reducer is high.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of motor casing face work work
It fills, including lathe, the chuck that rotation is driven by motor is provided on the lathe, sliding is provided with cutter on the lathe, institute
It states and is coaxially arranged with fixing seat on chuck, circumferentially arranged with multiple openings, the interior sliding setting of the fixing seat in the fixing seat
There is drive block, the oil cylinder for driving drive block to slide is provided on the lathe, the drive block has first conical surface;
When the oil cylinder drives drive block to slide, the drive block drives fixing seat radially outer by first conical surface
Expand, the fixing seat is pushed against by the inner wall of outer wall and motor casing inner stator.
Through the above technical solutions, the motor casing for installing stator is sheathed on outside fixing seat by personnel, cylinder action is controlled,
Keep drive block mobile to chuck direction, drive block expands fixing seat by first conical surface, is open while generating expansion, completes motor
The clamping of shell;Control chuck rotation later, chuck drive motor casing rotation, and control cutter is mobile, completes the vehicle of motor casing end face
It cuts, since two end faces of motor casing are unobstructed, then without shutting down the turning that two end faces of motor casing can be completed, processing effect
Rate is high.This motor casing face work tooling, it is and preparatory using to installing by the way of the motor casing after stator carries out facing
The mode of vehicle motor shell end face is compared, and the motor casing end face that turning goes out can be vertical with the axis of motor casing inner stator always, is had
Higher position precision;When motor casing is installed to reduction gearbox side wall, it is easier to ensure the coaxial of machine shaft and reduction gearbox shaft
The job stability of degree, speed reducer is high.
Preferably, the opening runs through fixing seat, and fixing seat is divided into several blocks;It is radially opened on the chuck
It is corresponded equipped with multiple T-slots, on the block that the fixing seat is divided into and is fixed with T-block, the T-block sliding in T-slot
It is set in corresponding T-slot.
Through the above technical solutions, T-slot limit fixing seat block can only radially sliding along chuck, fixing seat is mobile
High reliablity.
Preferably, mounting groove is offered on the block that the fixing seat is divided into, and is offered on the cell wall of the mounting groove
Inside groove is provided with the elastic slice for driving fixing seat to inside contract in the mounting groove, and the both ends of the elastic slice are respectively embedded into adjacent fixing seat
In the inside groove of block.
Through the above technical solutions, elastic slice forces in adjacent fixing seat block, drives fixing seat to inside contract and close up;Work as driving
When block is far from chuck, drive block spontaneous separate chuck under the elastic force of elastic slice, the guiding role of first conical surface, then fixing seat is inside contracted
Motor casing is unclamped, to facilitate the loading and unloading of motor casing;The elastic slice of sheet can make uniform force between adjacent fixing seat block, fixed
Seat is not likely to produce twisting when extending out, inside contracting.
Preferably, multiple intermediate mass are provided between the fixing seat and drive block, the intermediate mass is about drive block
In circumferentially distributed, the intermediate mass is slideably positioned in T-slot axis;The intermediate mass includes carrying out face contact with first conical surface
Second conical surface, the contact surface of the intermediate mass and fixing seat is cylindrical surface.
Through the above technical solutions, drive block passes through first conical surface and the second cone when drive block is mobile to chuck direction
Face offsets, and drive block drives intermediate mass, fixing seat generation to extend out movement;Intermediate mass is used to bear oblique point from drive block
Power, when the power of intermediate mass is transferred to fixing seat, for fixing seat only by the power along chuck radial direction, the sliding of fixing seat is more flat
Surely, and fixing seat is more preferable to the fixed effect of motor casing.
Preferably, the tailpiece of the piston rod rotation of the oil cylinder is provided with pull rod, and the pull rod is fixed on drive block.
Through the above technical solutions, oil cylinder drives drive block to slide by pull rod, chuck is in the process for driving pull rod rotation
In, since the tailpiece of the piston rod and pull rod of oil cylinder are rotatablely connected, then the tailpiece of the piston rod of oil cylinder will not generate rotation, and mechanism can be reliable
Operation.
Preferably, the tailpiece of the piston rod of the oil cylinder is fixed with link block, and connecting cavity, the company are offered in the link block
It connects intracavitary rotation to be provided with and hold abrading block, the abrading block that holds is fixed with pull rod, and the abrading block that holds can not be relative to the axial direction of link block
It is mobile.
Through the above technical solutions, the material that link block is low with the optional coefficient of friction of abrading block is held, link block pass through connection
Chamber will hold abrading block limit, and holding abrading block can rotate around the axis of link block, and can not be along the axial movement of link block.
Preferably, the pull rod runs through drive block, is threaded with fixture nut on the pull rod, the fixture nut with
Drive block offsets away from the end face of chuck.
Through the above technical solutions, fixture nut can push drive block to be moved, to adjust when rotation fixture nut
Drive block is located at the initial position in fixing seat, more convenient to be adapted to the motor casing of different inner diameters.
Preferably, rotation is provided with the locating piece for positioning motor shell and chuck distance, the oil cylinder on the lathe
Tailpiece of the piston rod be hinged with connecting rod, the connecting rod and locating piece are hinged;When oil cylinder elongation, the tailpiece of the piston rod of the oil cylinder
By connecting rod drive locating piece turn to protrusion chuck position.
Through the above technical solutions, the tailpiece of the piston rod of oil cylinder drives locating piece to turn to by connecting rod when oil cylinder elongation
Motor casing is butted on locating piece, at this time motor by the position for protruding chuck when installing motor casing in fixing seat by end face
Shell between chuck at a distance from for determine value.When oil cylinder shortens, the tailpiece of the piston rod of oil cylinder pulls locating piece, locating piece by connecting rod
Rotation is detached between chuck and motor casing, while fixing seat extends out fastening motor casing.Due to motor casing between chuck at a distance from be
Determine value, then cutter can carry out turning with the track movement programmed, and convenient for the implementation of automation, and locating piece can move automatically
Make, not will increase the artificial amount of labour.Since locating piece is far from motor casing, then when processing, locating piece will not be to motor casing
Rotation, facing generate interference.
The second object of the present invention is to provide a kind of processing technology, is easier to ensure the same of machine shaft and reduction gearbox shaft
The job stability of axis degree, speed reducer is high.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of processing technology, uses
Above-mentioned motor casing face work tooling, comprising the following steps:
Step S1: the motor casing for installing stator is sheathed on outside fixing seat;
Step S2: control cylinder action makes drive block to the mobile expansion fixing seat in chuck direction, completes the folder of motor casing
Tightly;
Step S3: control chuck rotation, chuck drive motor casing rotation;
Step S4: control cutter is mobile, completes the turning of two end faces of motor casing.
Through the above technical solutions, this processing technology, which is used, carries out facing to installing the motor casing after stator
Mode, compared with the mode of preparatory vehicle motor shell end face, turning go out motor casing end face can always with motor casing inner stator axis
Line is vertical, position precision with higher;When motor casing is installed to reduction gearbox side wall, it is easier to ensure machine shaft and reduction gearbox
The job stability of the concentricity of shaft, speed reducer is high.And without shutting down the turning that two end faces of motor casing can be completed, processing
It is high-efficient.
In conclusion the present invention having the beneficial effect that in contrast to the prior art
1, the motor casing end face that turning goes out can be vertical with the axis of motor casing inner stator always, position essence with higher
Degree;
2, high in machining efficiency without shutting down the turning that two end faces of motor casing can be completed;
3, the initial bit that drive block is located in fixing seat can be conveniently adjusted by setting pull rod and fixture nut, personnel
It sets, to be adapted to the motor casing of different inner diameters.
Detailed description of the invention
Fig. 1 is the perspective view of the motor casing face work tooling of embodiment one, mainly protrudes the overall structure of this tooling;
Fig. 2 is the explosive view of the fixing seat of embodiment one, the structure of chuck of mainly dashing forward, fixing seat and intermediate mass;
Fig. 3 is the A-A cross-sectional view of Fig. 1, mainly protrudes the structure of elastic slice, inside groove;
Fig. 4 is the B-B cross-sectional view of Fig. 1, the main prominent structure for holding abrading block and pull rod;
Fig. 5 is the Local map of the motor casing face work tooling of embodiment one, the structure of main prominent locating piece and connecting rod.
In figure, 1, lathe;2, chuck;11, cutter;3, fixing seat;21, T-slot;31, it is open;32, T-block;33, it installs
Slot;331, inside groove;34, elastic slice;4, intermediate mass;41, second conical surface;5, drive block;51, first conical surface;12, oil cylinder;13, it connects
Block;131, connecting cavity;132, abrading block is held;14, pull rod;141, fixture nut;6, locating piece;61, connecting rod.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
Referring to Fig.1, be a kind of motor casing face work tooling disclosed by the invention, including lathe 1, be provided on lathe 1 by
The chuck 2 of motor driven rotation, sliding is provided with cutter 11 on lathe 1, is coaxially arranged on chuck 2 for being arranged installation motor
The fixing seat 3 of shell.
Referring to Figures 1 and 2, chuck 2 is towards three T-slots 21 are offered on the end face of cutter 11, and three T-slots 21 are mutually
Connection converges at the axis centre of chuck 2, and T-slot 21 radially extending and penetrating through with the side wall of chuck 2 along chuck 2.Referring to figure
2 and Fig. 3, fixing seat 3 is whole cylindrical, and the inner wall of fixing seat 3 is cylindrical surface, is circumferentially uniformly provided with three in fixing seat 3
Fixing seat 3 is divided into three independent blocks by a opening 31, three openings 31.On the block that each fixing seat 3 is divided into one by one
It is fixed with T-block 32 corresponding to T-slot 21, T-block 32 is slideably positioned in corresponding T-slot 21, and T-slot 21 limits fixation
3 blocks of seat can only radially sliding along chuck 2.Mounting groove 33, mounting groove 33 are offered on the block outer wall that fixing seat 3 is divided into
Positioned at the position close to opening 31, inside groove 331 is offered on the cell wall of mounting groove 33, the groove depth direction of inside groove 331 direction is opened
Mouth 31.It is embedded in mounting groove 33 and is fixed with elastic slice 34, the elastic bending two ends of elastic slice 34 are simultaneously embedded in inside groove 331, and elastic slice 34 is applied
Power drives fixing seat 3 to inside contract and closes up in adjacent 3 block of fixing seat.
Referring to Fig. 2 and Fig. 3, worn in fixing seat 3 there are three intermediate mass 4, three intermediate mass 4 are in about the axis of chuck 2
Circumferentially distributed, the structure of intermediate mass 4 is similar with the block that fixing seat 3 is divided into, and intermediate mass 4 is slideably positioned in T also by T-block 32
In type groove 21, it also is provided with being inside contracted the elastic slice 34 closed up on intermediate mass 4.Intermediate mass 4 and the difference of fixing seat 3 are: intermediate
The inner wall of block 4 is second conical surface 41 being obliquely installed, and second conical surface 41 of three intermediate mass 4 can combine the annular cone for forming closure
Face, the circular cone are in gradually to include shape along the direction away from chuck 2.
Referring to Fig. 2 and Fig. 4, be equipped with drive block 5 in three intermediate mass 4, drive block 5 include for second conical surface 41 into
First conical surface 51 of row face contact.When drive block 5 is mobile to 2 direction of chuck, drive block 5 passes through first conical surface 51 and the second cone
Face 41 offsets, and drive block 5 drives intermediate mass 4, the generation of fixing seat 3 to extend out movement.Intermediate mass 4 is for bearing from drive block 5
Oblique component, when the power of intermediate mass 4 is transferred to fixing seat 3, fixing seat 3 only by the power radial along chuck 2, fixing seat 3
Sliding is more steady, and fixing seat 3 is more preferable to the fixed effect of motor casing.
Referring to Fig. 4, the oil cylinder 12 for driving drive block 5 to slide is fixed on lathe 1, oil cylinder 12 is located at lathe 1 and deviates from
The tailpiece of the piston rod of the side-walls of chuck 2, oil cylinder 12 is axially facing drive block 5 along chuck 2, and end is fixed with link block 13,
Link block 13 is in shrink mouth shape, connecting cavity 131 towards connecting cavity 131, the oral area of connecting cavity 131 is offered on the end face of drive block 5
Interior rotation, which is provided with, holds abrading block 132, and wherein link block 13 is made of wear-resistant ceramic, holds abrading block 132 and is made of graphite, between the two
Coefficient of friction it is lower;Holding abrading block 132 can rotate around the axis of link block 13, and can not be along the axial movement of link block 13.It holds
Abrading block 132 is coaxially fixed with pull rod 14 on the end face of oil cylinder 12, and pull rod 14 runs through drive block 5 along the axis of drive block 5;It draws
Bar 14 is specially screw rod, and the partial threads outside drive block 5 are located on pull rod 14 and are connected with fixture nut 141, fixture nut 141 with
Drive block 5 offsets away from the end face of chuck 2.
When oil cylinder 12 shortens, oil cylinder 12 drives drive block 5 mobile to 2 direction of chuck by pull rod 14, fixture nut 141,
Motor casing to be processed is fixed to realize that fixing seat 3 extends out;When oil cylinder 12 extends, drive block 5, which loses, carrys out self-retaining spiral shell
The thrust of mother 141, the spontaneous separate chuck 2 under the elastic force of elastic slice 34, the guiding role of second conical surface 41 of drive block 5 are then fixed
Seat 3 inside contracts release motor casing, to facilitate the loading and unloading of motor casing.Chuck 2 is during driving pull rod 14 to rotate, due to oil cylinder
12 pass through link block 13, hold abrading block 132 and the foundation rotation connection of pull rod 14, then the tailpiece of the piston rod of oil cylinder 12 will not generate rotation,
Mechanism being capable of reliability service.When rotating fixture nut 141, fixture nut 141 can push drive block 5 to be moved, to adjust
Drive block 5 is located at the initial position in fixing seat 3, more convenient to be adapted to the motor casing of different inner diameters.
Referring to Fig. 5, rotation is provided with the locating piece 6 for 2 distance of positioning motor shell and chuck on lathe 1, oil cylinder 12
Tailpiece of the piston rod is hinged with connecting rod 61, and connecting rod 61 and locating piece 6 are hinged, and the slot for the sliding of 61 end of connecting rod is offered on locating piece 6.
When oil cylinder 12 extends, the tailpiece of the piston rod of oil cylinder 12 passes through the position that connecting rod 61 drives locating piece 6 to turn to protrusion chuck 2, when
In fixing seat 3 install motor casing when, motor casing is butted on locating piece 6 by end face, at this time between motor casing and chuck 2 away from
It is worth to determine.When oil cylinder 12 shortens, the tailpiece of the piston rod of oil cylinder 12 pulls locating piece 6 by connecting rod 61, the rotation of locating piece 6 from
It is detached between chuck 2 and motor casing, while fixing seat 3 extends out fastening motor casing.Due to motor casing between chuck 2 at a distance from for determine
Value, then cutter 11 can carry out turning with the track movement programmed, convenient for the implementation of automation;Since locating piece 6 is far from electricity
Casing, then when processing, locating piece 6 will not rotation to motor casing, facing generate interference.
Embodiment two:
A kind of processing technology has used above-mentioned motor casing face work tooling, comprising the following steps:
Step S1: oil cylinder 12 is in elongation state in advance, and the motor casing for installing stator is sheathed on fixing seat 3 by personnel
Outside.
Step S2: control oil cylinder 12 shortens, and makes drive block 5 to the mobile expansion fixing seat 3 in 2 direction of chuck, completes motor casing
Clamping.
Step S3: control chuck 2 rotates, and chuck 2 drives motor casing rotation.
Step S4: control cutter 11 is mobile, completes the turning of two end faces of motor casing.
To sum up, this motor casing face work tooling and its processing technology are carried out using to installing the motor casing after stator
The mode of facing, compared with the mode of preparatory vehicle motor shell end face, turning go out motor casing end face can always with motor casing
The axis of inner stator is vertical, position precision with higher;When motor casing is installed to reduction gearbox side wall, it is easier to ensure that motor turns
The job stability of the concentricity of axis and reduction gearbox shaft, speed reducer is high.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.