Summary of the invention
Present invention is directed primarily to solve in the prior art: the machine tool structure of processing groove category feature is complicated, at high cost, occupancy is empty
Between big not readily portable storage;Processing groove category feature low efficiency;The problem of dovetail groove can not be processed, provides a kind of swing type machine
Bed.
To achieve the goals above, the scheme is as follows:
There is provided a kind of grooving machine tool, characterized in that be made of power head and lathe bed;Power head drives collet around a fixation
Axis oscillating, the amplitude of swing is adjustable;Lathe bed guidance power head and object to be processed do controllable mutual movement;Lathe bed can
To keep the relative position of power head and object to be processed.
Further, the grooving machine tool, characterized in that power head is by retainer, bottom plate, power plant module, swing mould
Block and luffing module composition;Retainer does pendulum motion around the axis being fixed on bottom plate;Power plant module and retainer first end
It is connected, power plant module drives collet rotation;It swings module and retainer second end is connected, swing module drive swinging axle around one
The axis rotation being fixed on retainer, swinging axle do linear reciprocating motion along the straight line being fixed on bottom plate;Luffing module can
To adjust and keep this to be fixed on the axis on retainer at a distance from the axis of oscillation of retainer.
Further, the grooving machine tool, characterized in that swing module drive swinging axle around one and be fixed on retainer
On axis rotation;It is parallel with the axis of oscillation of retainer that this is fixed on the axis on retainer;This is fixed on retainer
On axis it is parallel with swinging axle;This is fixed on axis and collet jante et perpendiculaire on retainer.
Further, the grooving machine tool, characterized in that swinging axle does reciprocating linear along the straight line being fixed on bottom plate
Movement, the straight line being fixed on bottom plate intersect with the axis of oscillation of retainer.
Further, the grooving machine tool, characterized in that retainer is the internal extrusion for having cavity, internal sky
Chamber is for accommodating power plant module, swinging module and luffing module;Bottom plate is plate-like, the connected swinging support of the first end of bottom plate, pendulum
Dynamic support first end and bottom plate are connected, and swinging support second end is equipped with a circular hole, and the side of retainer first end is equipped with one
Cylinder protruding shaft, the circular hole and retainer first end cylinder protruding shaft rotatable engagement of swinging support second end.
Further, the grooving machine tool, characterized in that power plant module includes motor, collet, retarder;Motor
The first end of shell and retainer is connected, and the first drive shaft of motor and the input terminal of retarder connect, the output end of retarder
Axis is coaxially connected with collet.
Further, the grooving machine tool, characterized in that swinging module includes gear frame, crank, swinging axle, sliding slot;
Gear frame and retainer second end are connected, and gear frame has input terminal and output end, the axis and retainer and bottom plate of output end
The axis for swinging connection is parallel, and output end and swinging axle are connected by crank, and the axis of swinging axle and the axis of output end are parallel
But it is not overlapped;The input terminal of gear frame is driven by power plant module, and the torque that gear frame input terminal receives passes to output end drive
Movable pendulum moving axis is rotated around the axis of output end;Swinging axle slides in the sliding slot being installed on bottom plate.
Further, the grooving machine tool, characterized in that luffing module includes luffing guide rail, luffing sliding block, braking
Device, luffing screw rod, numerical-control motor;Luffing guide rail is installed in the inside of retainer along the direction for being parallel to collet axis line, and luffing is sliding
Block is slided along the direction that luffing guide rail guides, and gear frame and luffing sliding block are connected;Luffing screw rod first end is corresponding on gear frame
Screw thread pair mating, luffing screw rod second end and end cap be rotatablely connected, and end cap is installed in the second end of retainer, numerical-control motor
Output end is coaxially connected with luffing screw rod second end.
Further, the grooving machine tool, characterized in that lathe bed includes substrate, the first guiding device, the second guiding dress
It sets and fixture;First guiding device and power head are connected, and the first guiding device guidance power head moves along a straight line and can be accurate
Command displacement;Second guiding device and fixture are connected, and the second guiding device guide clamp moves along a straight line and can be accurate
Command displacement;Fixture is used to clamp object to be processed;It mutually hangs down in the direction of first guiding device and each bootstrap of the second guiding device
Directly, line of symmetry when wobbling action is done in the direction of the first guiding device guidance with collet is parallel, the side that the second guiding device guides
To parallel with the axis that retainer is swung.
Further, the grooving machine tool, characterized in that can also include third guiding device;Third guiding device
The direction of guidance is vertical with the direction that the first guiding device guides, third guiding device guidance direction also with the second guiding device
The direction of guidance is vertical, and third guiding device guide clamp and power head move along a straight line and can be accurately controlled fixture and move
Power head relative displacement.
The configuration of the present invention is simple is compact, it is high in machining efficiency, the big dovetail groove in the small inside of collar extension can be processed, solve existing
The problem of technology.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is power head side view and partial sectional view;
Fig. 2 is power head top view;
Fig. 3 is power head three-dimensional view, and cutting retainer is in favor of expression internal structure;
Fig. 4 is power head kinematic geometry relation schematic diagram;
Fig. 5 is the scheme of power head application numerical-control motor;
Fig. 6 is the lathe bed three-dimensional view using power head;
Fig. 7 is three-dimensional view of the power head in conjunction with lathe bed;
Fig. 8 is three-dimensional view of the power head in conjunction with drilling and milling machine;
Fig. 9 is three-dimensional view of the power head in conjunction with robot arm.
In the figure, it is marked as
1, power head;
11, retainer;111, end cap;
12, swinging support;
13, bottom plate;
141, motor;142, retarder;143, collet;144, cutter;145, the second drive shaft;
151, gear frame;152, first gear;153, second gear;1531, second gear axis;154, crank;155, it puts
Moving axis;156, sliding slot;
161, luffing guide rail;162, luffing sliding block;163, brake;164, luffing screw rod;165, luffing handwheel;166, number
Control motor;
2, spacing tooling;
3, lathe bed;
31, substrate;
321, the first guide rail;322, the first sliding block;3231, the first screw rod;3232, the first handwheel;
331, the second guide rail;332, the second sliding block;3331, the second screw rod;3332, the second handwheel;
341, caliper body;342, clamp pawl;343, clamping screw rod;
4, drilling and milling machine;
5, robot arm.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.
As shown in Figure 1, Figure 2 and Figure 3, power head 1 drives collet 143 around a fixed axis oscillating, the amplitude of swing
It is adjustable.
Further, power head 1 is made of retainer 11, bottom plate 13, power plant module, swing module and luffing module.
Retainer 11 does pendulum motion around fixed axis on base 13, and power plant module and 11 first end of retainer are solid
Even, power plant module drives collet 143 to rotate, and swings module and 11 second end of retainer is connected, swing module drive swinging axle 155
It is rotated around an axis being fixed on retainer 11, this is fixed on the swinging axle of axis and retainer 11 on retainer 11
Line is parallel, this is fixed on, and the axis on retainer 11 is parallel with swinging axle 155, and further, this is fixed on retainer 11
On axis also with 143 jante et perpendiculaire of collet;Swinging axle 155 does reciprocating linear fortune along fixed straight line on base 13
Dynamic, further, fixed straight line on base 13 intersects with the axis of oscillation of retainer 11.
Further, luffing module can be adjusted accurately and the axis for keeping this to be fixed on retainer 11 and guarantor
Hold the distance of the axis of oscillation of frame 11.
When power plant module driving collet 143 rotates, module drive swinging axle 155 is swung around one and is fixed on retainer 11
On axis rotation, and swinging axle 155 does linear reciprocating motion along fixed straight line on base 13 so that retainer 11 around
Fixed axis on base 13 does pendulum motion, and pendulum motion, lathe bed are done also with retainer 11 in the end face of collet 143 together
3 or the propulsion power heads 1 of other feed arrangements feed, the end face sweeping of cutter 144 that collet 143 clamps goes out cavity feature.
Specifically,
Power head 1, scheme one, as shown in Figure 1, Figure 2 and Figure 3,
Retainer 11 is the internal extrusion for having cavity, and internal cavity is for accommodating power plant module, swinging module and change
Width module, bottom plate 13 is plate-like, and retainer 11 and bottom plate 13 swing and connect, and further, the first end of bottom plate 13, which is connected, to be swung
Support 12,12 side view of swinging support is L-shaped, and 12 first end of swinging support and bottom plate 13 are connected, and 12 second end of swinging support is equipped with
The side of one circular hole, 11 first end of retainer is equipped with a cylinder protruding shaft, the circular hole and retainer of 12 second end of swinging support
The circular hole of 11 first end cylinder protruding shaft rotatable engagements, this cylinder protruding shaft and 12 second end of swinging support radially only has small match
Gap is closed, the end face of the small height beyond circular hole of the height of this cylinder protruding shaft, cylinder is equipped with stud, and nut tightening exists
On the stud of cylinder end face, the swing connection relationship of retainer 11 and swinging support 12 is realized.
Power plant module includes motor 141 and collet 143, can also include retarder 142 and the second drive shaft 145.Motor
141 the first drive shaft is coaxial connected with collet 143, and the shell of motor 141 and the first end of retainer 11 are connected, further
, the first drive shaft of motor 141 is connect with the input terminal of retarder 142, and the output end axis and collet 143 of retarder 142 are same
Axis is connected;Retarder 142 rotates driving collet 143 after the torque deceleration amplification of the first drive shaft of motor 141, collet 143
It clamps the rotation of cutter 144 and generates cutting movement, further, cutter 144 is milling cutter.Preferably, axis and the guarantor of collet 143
Hold the axis of oscillation intersection of frame 11 and swinging support 12;Further, the axis of collet 143 and retainer 11 and swinging support
12 axis of oscillation intersection is simultaneously vertical.
Swinging module includes gear frame 151, crank 154, swinging axle 155, sliding slot 156, can also include first gear
152, second gear 153, second gear axis 1531.Gear frame 151 and 11 second end of retainer are connected, and gear frame 151 has defeated
Enter end and output end, the axis of output end is parallel with the axis of retainer 11 and the swing connection of bottom plate 13, output end and swinging axle
155 by crank 154 be connected, the axis of swinging axle 155 and the axis of output end it is parallel still be not overlapped, gear frame 151 it is defeated
Enter end to be driven by power plant module, specifically, the second driving axis connection of the input terminal of gear frame 151 and motor 141, by motor
141 drivings;The input terminal of gear frame 151 can also use additional motor driven;The torque transmitting that 151 input terminal of gear frame receives
Axis to output end driving swinging axle 155 around output end rotates, as preferential, the axis and collet of 151 output end of gear frame
143 axis intersection.In more detail, the inner wall of gear frame 151 and retainer 11 is connected, and gear frame 151 sets that there are two hole, axis
Line is mutually perpendicular to and intersects, and first gear 152 and second gear 153 are respectively set on the two holes, they are intermeshed preferably
Conical gear, first gear 152 drive second gear 153 to rotate, and the revolving speed of first gear 152 is higher than second gear 153, the
Second drive shaft 145 of one gear 152 and motor 141 is connected, and first gear 152 is driven by motor 141, second gear 153 with
Second gear axis 1531 is coaxially connected, and the first end of second gear axis 1531 and crank 154 is connected, the second end of crank 154 with
Swinging axle 155 is connected, and the axis of second gear axis 1531 is parallel with the axis of swinging axle 155, the axis of second gear axis 1531
It is vertical with collet 143 and intersect.Swinging axle 155 slides in fixed sliding slot 156 on base 13, sliding slot 156 and swinging axle
The radial clearance cooperated between 155 is small, the preferred straight line of the length direction of sliding slot 156, and crosses retainer 11 and the swing of bottom plate 13
Axis, further, sliding slot 156 are that the middle part of a plate has the plate of cavity feature, and bottom is installed in by way of assembly
The upper surface of plate 13 is easily installed debugging in this way.
In order to enable the amplitude that collet 143 is swung is adjustable, in order to which the slot of different length can be processed, luffing module is designed
Accurately to adjust and keep to swing module at a distance from the axis of oscillation of retainer 11.Luffing module include luffing guide rail 161,
Luffing sliding block 162, brake 163, luffing screw rod 164, luffing handwheel 165.Luffing guide rail 161 is along being parallel to 143 axis of collet
Direction be installed in the inside of retainer 11, luffing sliding block 162 is slided along the direction that luffing guide rail 161 guides, gear frame 151 with
Luffing sliding block 162 is connected;Second drive shaft 145 of first gear 152 and motor 141 is to be slidably matched and can be for transmitting along axis
The cooperation of torque, preferably menu keyway, the similar mode of the other functions such as optional spline fitted;164 first end of luffing screw rod and biography
Corresponding screw thread pair mating, 164 second end of luffing screw rod and end cap 111 are rotatablely connected in moving frame 151, and end cap 111 is installed in guarantor
The second end of frame 11 is held, luffing handwheel 165 is coaxially connected with 164 second end of luffing screw rod, and 165 circumference of luffing handwheel, which is equipped with, to be carved
Degree, end cap 111 also are provided with graticule, and rotation luffing handwheel 165 is to accurately move gear frame 151, in order to which gear frame 151 can
Rest on setting position, brake 163 be set on luffing sliding block 162, may be implemented luffing sliding block 162 and luffing guide rail 161 it
Between relative position braking and releasing.Second drive shaft 145 and brake 163 have passed through retainer 11, in order to not influence swing
The movement of module, retainer 11 move sweeping region setting elongated slot in the second drive shaft 145 and brake 163 and avoid.
When 1 amplitude of fluctuation of power head is smaller, the propulsion power head 1 of lathe bed 3 or other feed arrangements is fed, cutter 144
The slot of certain depth is milled out, then 1 amplitude of fluctuation of power head increases under the adjusting of luffing module, and above-mentioned slot is further
Expand, but since 1 amplitude of fluctuation of power head is during increase, there is no feed motions, it is small at this moment to process collar extension
Internal big dovetail groove (section along slot length direction), finally 1 amplitude of fluctuation of power head reduces under the adjusting of luffing module,
1 withdrawing of power head takes cutter 144 out of dovetail groove, completes the processing of dovetail groove.
As shown in figure 4, the amount of movement and cutter 144 in order to accurately obtain gear frame 151 swing the length of envelope (i.e.
The slot length processed at this time) between relationship, do following parsing.In Fig. 4, the chain-dotted line of horizontal direction is that cutter 144 is swung
Line of symmetry when movement;A value is 144 clamping of cutter after collet 143, the axis of oscillation of 144 end face of cutter and retainer 11
Distance;B value is the axis of 151 output end of gear frame and the axial line distance of swinging axle 155;M value is the axis of 151 output end of gear frame
Line can measure this value when power head 1 dispatches from the factory at a distance from the axis of oscillation of retainer 11, then by luffing handwheel 165 or its
Hereafter his measuring device for luffing range zero setting need to only know that luffing handwheel 165 or other measuring device for luffing range driving gear frame 151 move
Displacement, it can be learnt that m value;R value is the radius of cutter 144;θ value is to maintain the half of the swing angle of frame 11;L value is knife
Tool 144 swings the length (slot length processed at this time) of envelope.Problem is converted into the relationship i.e. L=solved between L value and m value
F (m), parsing result are as follows.
As shown in Figures 1 to 4, in the relationship of L=f (m), other than a value and r value, remaining parameter m and b are can be with
Guaranteed by the debugging before the manufacture and production and factory of power head 1, r value can be convenient by outside diameter measuring equipment
Measurement obtain, the repeated clamping of cutter 144 will lead to not being consistent for practical a value and preset value, in order to avoid this problem goes out
A value existing, that design spacing tooling 2 is consistent convenient for acquisition when assembly cutter with preset value.Spacing tooling 2 is by two supporting legs and limit
Plane composition, has between supporting leg and confined planes and determines firm distance relation, and 11 first end of retainer is equipped with and spacing tooling 2
Supporting leg cooperation supporting surface, supporting surface and 11 axis of oscillation of retainer, which have, determines firm distance relation.Cutter is installed
When 144, the supporting leg of spacing tooling 2 supporting surface corresponding with retainer 11 is bonded, by the end face of cutter 144 and spacing tooling
2 confined planes fitting, i.e., so that 144 end face of cutter is consistent at a distance from the axis of oscillation of retainer 11 with preset value.
Power head 1, scheme two, as shown in figure 5,
On the basis of 1 scheme one of power head, luffing screw rod 164 is driven by luffing handwheel 165, is replaced by numerical-control motor
166 drivings, numerical-control motor 166, which can be stepper motor, servo motor etc., can convert electrical signals to accurate rotational angle
Motor, the output end of numerical-control motor 166 is coaxially connected with the second end of luffing screw rod 164,166 shell of numerical-control motor and end cap
111 are connected.Since numerical-control motor 166 has self-locking characteristic, therefore brake 163 can be cancelled.In addition, numerical-control motor 166 can
Mobile with the order-driven gear frame 151 for executing host computer sending, host computer calculates the relationship of L=f (m), can rapidly adjust
Section cutter 144 is located at the state of the L value of demand;It is also an advantage that using the cutter 144 of different size, again clamping cutter
Afterwards, as long as the opposite 11 axis of oscillation distance a value of retainer in 144 end face of cutter of cutter diameter r value, actual measurement is inputted host computer,
The relationship of L=f (m) can be updated, so that matching with the practical geometrical relationship of power head 1.
Using the lathe of above-mentioned 1 scheme one of power head or scheme two,
As shown in Figure 6 and Figure 7, lathe is made of power head 1 and lathe bed 3.
Lathe bed 3 guides power head 1 and object to be processed to do controllable mutual movement;Lathe bed 3 can keep power head 1 and to be added
The relative position of work object.
Specifically, lathe bed 3 includes substrate 31, the first guiding device, the second guiding device and fixture.First guiding device with
Power head 1 is connected, and the first guiding device guidance power head 1 moves along a straight line and can be accurately controlled displacement;Second guiding dress
It sets and is connected with fixture, the second guiding device guide clamp moves along a straight line and can be accurately controlled displacement, and fixture is used to clamp
Object to be processed;The direction of first guiding device and each bootstrap of the second guiding device is mutually perpendicular to, the guidance of the first guiding device
Line of symmetry when wobbling action is done in direction with collet 143 is parallel, what the direction of the second guiding device guidance and retainer 11 were swung
Axis is parallel.
More specifically, substrate 31 is formed by lower plate and perpendicular to the side plate of lower plate, and the first guiding device includes the first guide rail
321, the first sliding block 322, the first screw rod 3231 and the first handwheel 3232.First guide rail 321 is connected with lower plate, the first sliding block 322
Along linear slide on the first guide rail 321,3231 first end of the first screw rod is threadedly coupled with the first sliding block 322, the first screw rod
3231 second ends and the first guide rail 321 are rotatablely connected, and the first handwheel 3232 is coaxially connected with 3231 second end of the first screw rod, and first
3232 circumference of handwheel is equipped with scale, and the first handwheel 3232 of rotation realizes the accurate control being displaced to the first sliding block 322, power head 1
Bottom plate and the first sliding block 322 be connected, the line of symmetry when direction of the first sliding block 322 movement and cutter 144 do wobbling action is flat
Row.Second guiding device includes the second guide rail 331, the second sliding block 332, the second screw rod 3331 and the second handwheel 3332.Second leads
Rail 331 and side plate are connected, and the second sliding block 332 is on the second guide rail 331 along linear slide, 3331 first end of the second screw rod and second
Sliding block 332 is threadedly coupled, and 3331 second end of the second screw rod and the second guide rail 331 are rotatablely connected, the second handwheel 3332 and second
3331 second end of bar is coaxially connected, and 3332 circumference of the second handwheel is equipped with scale, and the second handwheel 3332 of rotation is realized to the second sliding block
The accurate control of 332 displacements, fixture and the second sliding block 332 are connected, what the direction of the second sliding block 332 movement was swung with retainer 11
Axis is parallel.Fixture includes caliper body 341, clamp pawl 342 and clamping screw rod 343, and caliper body 341 and clamp pawl 342 are in clamping
The lower clamping of the effect of screw rod 343 object to be processed, caliper body 341 and the second sliding block 332 are connected.
Lathe bed 3 can also include third guiding device, and the direction of third guiding device guidance and the first guiding device guide
Direction it is vertical, third guiding device guidance direction also with the second guiding device guidance direction it is vertical, third guiding device
Guide clamp and power head 1 move along a straight line and can be accurately controlled 1 relative displacement of fixture and power head.More specifically, excellent
Choosing, third guiding device are arranged between the first guiding device and power head 1;Secondary choosing, the setting of third guiding device are led second
To between device and fixture.
As shown in figure 8, drilling and milling machine 4 (drilling machine or milling machine, or have both the lathe for boring milling function) in the prior art
Existing structure with the structure of above-mentioned lathe bed 3 be it is similar, power head 1 is regarded into individual attachment, the bottom plate 13 of power head 1
It is connected with the Z-axis lifting mechanism of drilling and milling machine 4, extends the application range of existing drilling and milling machine 4, play to 4 liters of existing drilling and milling machine
The effect of grade.
When drilling and milling machine 4 is numerically-controlled machine tool, the numerical-control motor 166 of power head 1 is controlled by the controller of drilling and milling machine 4.
As shown in figure 9, robot arm 5 is the mechanism for relying on NC instruction precise motion in the prior art, power head 1
Bottom plate 13 and the hand of 5 distal end of robot arm are connected, and the numerical-control motor 166 of power head 1 is controlled by the control of robot arm 5
Device, so that 5 processing groove category feature precision of robot arm is high, programming is simple.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.