Many specification pipe fittings automate drilling equipment
Technical field
The invention belongs to pipe fitting drilling device field, more particularly to a kind of many specification pipe fitting automation drilling equipments.
Background technology
The pipe fitting drilling device that the application is related to, for being drilled on the periphery of pipe fitting, drilling machine processes a hole, should
Pipe fitting is sent to next bore position by device automatically.Designed structure, can be on a table apparatus, to different-diameter, many
The pipe fitting for planting length carries out automatic drilling.Process automation is not only realized, and processing efficiency is substantially improved, the position in each hole of pipe fitting
Put precision very high.
Porous technical field is specifically related to bored on pipe fitting periphery, more particularly to same table apparatus in plurality of specifications pipe fitting
Bored on periphery porous.Pipe fitting described herein, including draw ratio different various pipe fittings, cylindrical element.
In machining, it is often necessary to many holes are bored on the periphery of pipe fitting, such as inner bag cylinder in silencer, from
Dehydration barrel in scheming etc..The processing of this some holes, current main manufacture methods have two kinds:The first is bored on flat sheet material
Hole, is drilled roll bending after all well;Second is directly to be drilled one by one on pipe fitting, and each hole drill is complete, pipe fitting is manually moved, under brill
One hole.The hole that first method is finally obtained is deformation, and the present invention is not related to the type processing method.Second drilling side
Method, it is previous in tube wall drilling as first to rule, then drilled with drilling machine.It has the disadvantage two procedures respectively in face plate and drilling machine
Upper completion, in process, pipe fitting needs to be transported on drilling machine from face plate, and pipe fitting is unable to automatic indexing, and pipe fitting exists
Repeatedly rolled in process, the positional precision in each hole is low, and inefficiency.
There is the device of a small amount of special design at present, for improving dimension precision between the holes and drilling efficiency.
For example:The .9 of Chinese Patent Application No. 201610623284, it is open(Bulletin)Number:The A of CN 106425552, it is open
A kind of many round pipe fitting drilling processing tools, including base, pipe fitting radial positioning device and pipe fitting axial direction positioning device;Pipe fitting
Radial positioning device is fixedly mounted on base, including pipe fitting supporting surface and pipe fitting hold-down mechanism;Pipe fitting axial direction positioning device bag
Include end face detent mechanism and center of circle angle detent mechanism;End face detent mechanism is arranged on one end of pipe fitting supporting surface;Center of circle angle
Detent mechanism is arranged on the other end of pipe fitting supporting surface, including index dial, elastic part and positioning and locking part;It is front and rear to stretch
Contracting part is arranged between pipe fitting radial positioning device and base, and elastic part is slidably connected with base;Index dial is fixed
Installed in one end of elastic part;The elastic part of location locking mechanism correspondence is arranged on base or pipe fitting radial positioning
On device.
Although the device improves precision and efficiency than mobile pipe fitting by hand, cumbersome, and cannot realize automatic
Change processing.
For example:The .6 of Chinese Patent Application No. 201610467675, it is open(Bulletin)Number:The A of CN 105965058, it is open
A kind of pipe fitting drilling machine, including:Bed body;Indexing spindle case, is arranged at the front end of bed body, for clamping pipe fitting;Longitudinal direction transmission
System;Planker, is arranged at the top of the bed body, can be along planker moving guide rail longitudinal sliding motion;The top of planker is set laterally to be moved
Dynamic guide rail;Slide carriage frame, is arranged at the lower section of planker, is fixedly connected with planker;Longitudinal screw, mutually screws with longitudinal leadscrew, both
Collectively form longitudinal leadscrew pair;Slide plate, is arranged at the top of planker, can be along institute's transverse shifting slide;Horizontal leading screw, it is fixed
In on planker;Horizontal screw, is fixedly arranged on slide plate, is mutually screwed with horizontal leading screw, and both collectively form horizontal leading screw pair;Laterally watch
Motor is taken, is fixedly arranged on planker, its output shaft is fixedly connected with horizontal leading screw;Drill rod box, is fixedly arranged on slide plate, is bored for pipe fitting
Hole;Tailstock assembly, is arranged at the rear end of bed body, for holding out against pipe fitting;Pipe fitting cramping arrangement, is arranged at planker top, for boring
Pipe fitting is clamped during hole.
The framework of the imitated lathe of the device, when larger pipe fitting is processed, two ends are used for the indexing spindle case of clamping pipe fitting
With tailstock bulky dimensions;Clamp the complex structure of pipe fitting.
These devices have the drawback that jointly, after being drilled a round, it is necessary to unclamp the clamp system of pipe fitting, could rotate
Pipe fitting finds next row bore position, it is impossible to realize automatic operating to drilling whole process.
The content of the invention
The present invention is cumbersome in order to solve artificial drilling operation, and cannot realize that automation processing and framework are huge, uses
Complicated the problems such as, overcome disadvantages mentioned above, realize following purpose:
1. on a table apparatus, can bore porous to the pipe fitting periphery of different-diameter in certain limit, different length;
2. all processes for drilling(Do not include handling tubulars)Automation processing is realized, processing efficiency is substantially improved, pipe fitting is each
The positional precision in individual hole is improved;
Propose a kind of many specification pipe fitting automation drilling equipments.
The technical solution adopted by the present invention is as follows:
Many specification pipe fittings automate drilling equipment, including base, it is characterised in that:The output shaft and ball wire of servo longitudinal motor
Thick stick is connected, and ball-screw is by bearings and is assemblied on base;
The base top is additionally provided with workbench, and rolling guide is provided between the workbench and base, is set on the workbench
There is the conical fixture rotating mechanism of driving, the mechanism includes that support frame, rotation servomotor, reductor and center height are whole
Device;
The device for adjusting center height bottom connects reductor, and device for adjusting center height is provided with positioning annulus and driving lever, positioning
Annulus and driving lever couple with circular cone clamp, and the circular cone clamp passes through two cones, stretching screw and stretching screws
The nut composition of right-hand member, is provided with support frame below circular cone clamp, and support frame as described above is provided with rotor.
Further, the workbench is provided with the mounting groove of installation center height adjusting device and support frame.
Further, by two bearings, the base is connected ball-screw with by nut seat with workbench.
Further, the left end cone is provided with round set, and its endoporus coordinates with the positioning annulus of device for adjusting center height,
The centre of gyration of driving lever highly, makes driving lever axis of rotation and two circles on device for adjusting center height on control centre's height adjusting device
The axis of rotation of cone is highly consistent.
Further, support frame as described above is two pairs, the two pairs of longitudinally opposed positions of support frame in mounting groove can longitudinally or
Person laterally adjusts.
Further, the circular cone clamp replaces with slide clamp or chuck clamps.
The invention has the advantages that:
1. device of the invention is provided with many places adjustment structure, and pipe fitting that can be big to length, diameter change scope is on the circumferential surface
Carry out boring porous;
2. the movement of pipe fitting, rotation all uses rolling friction form, reduces friction, rotates accurate with shift position, is bored on pipe fitting
Positional precision is significantly improved between each hole for going out;
3. disposable to install pipe fitting, pilot process need not unclamp pipe fitting, and drilling is whole to realize automation, and efficiency is substantially carried
It is high.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is workbench mounting groove of the present invention and support frame structure relation schematic diagram.
Fig. 3 be apparatus of the present invention A-A to side structure schematic diagram, the schematic diagram not include reductor and center height
Engagement positions.
Reference:1st, base;2nd, ball-screw;3rd, servo longitudinal motor;4th, workbench;5th, servomotor is rotated;6、
Reductor;7th, device for adjusting center height;8th, circular cone clamp;9th, support frame;10th, stretching screw;11st, numerical control system;12、
Nut seat;13rd, rolling guide;14th, annulus is positioned;15th, driving lever;16th, circle set;17th, mounting groove.
Specific embodiment
The present invention is described further below in conjunction with the accompanying drawings:
As Figure 1-3, many specification pipe fitting automation drilling equipments, including base 1, it is characterised in that:Servo longitudinal motor 3
Output shaft is connected with ball-screw 2, and ball-screw is by bearings and is assemblied on base 1;
The top of the base 1 is additionally provided with workbench 4, and rolling guide 13, the work are provided between the workbench 4 and base 1
Platform 4 is provided with the conical fixture rotating mechanism of driving, the mechanism include support frame 9, rotate servomotor 5, reductor 6 and
Device for adjusting center height 7;
The bottom of the device for adjusting center height 7 connects reductor 6, and device for adjusting center height is provided with positioning annulus 14 and driving lever
15, positioning annulus 14 and driving lever 15 couple with circular cone clamp 8, and the circular cone clamp 8 passes through two cones, stretching screws
10 and the right-hand member of stretching screw 10 nut composition, support frame 9 is provided with below circular cone clamp 8, support frame as described above 9 is provided with
Rotor;
Further, the workbench is provided with the mounting groove 17 of installation center height adjusting device 7 and support frame 9.
Further, by two bearings, the base 1 is connected ball-screw with by nut seat 12 with workbench.
Further, the left end cone is provided with the positioning annulus 14 of circle set 16, its endoporus and device for adjusting center height 7
Coordinate, the centre of gyration of driving lever 15 highly, makes driving lever axis of rotation on device for adjusting center height on control centre's height adjusting device
Axis of rotation with two cones is highly consistent.
Further, support frame as described above 9 is two pairs, and two pairs of longitudinally opposed positions of support frame can be longitudinal in mounting groove 17
Or laterally adjust.
Further, the circular cone clamp 8 replaces with slide clamp or chuck clamps.
Embodiment:
Such as Fig. 1 to 3, output shaft and the ball-screw of servo longitudinal motor 3 are connected;Ball-screw is by two bearings, dress
On base 1, it is connected with workbench 4 by nut seat 12.When servo longitudinal motor 3 drives ball-screw 2 to rotate, nut seat
12 due to being fixed on workbench 4, it is impossible to rotates, and nut seat 12 will drive workbench 4 to vertically move.Workbench 4 and base 1
Between be provided with rolling guide 13, allow workbench 4 in base 1 easily, exactly relatively move.It is drilled a hole, numeral control
System processed 11 sends instructions, and makes servo longitudinal motor 3 drive workbench 4 to move to next bore position.
Numerical control system 11 be to realize the subsystem of the special design of present apparatus action, it control apparatus of the present invention with
Drill press spindle is acted.Major control flow includes two modules:
1)The drilling control flow of one round is:Control main shaft orientation, startup, are drilled, and drilling terminates rear drill bit and returns automatically
Starting point, main shaft is stopped, and workbench vertically moves a pitch-row, is again started up main shaft, repeats the process of drilling.
2)The control flow of each round of periphery is:After being drilled a round, movable workbench to screw rod limiting point, triggering are opened
Close, workbench last boring point of auto-returned under control system instruction rotates servomotor 5 through transmission mechanism, drives
One pitch-row angle of pipe fitting circular-rotation, then the drive of servo longitudinal motor 3 workbench reverse movement, repeats the drilling of a round
Process, until each round is drilled on periphery.
As shown in Figures 1 to 3, by rotation servomotor 5, subtract equipped with the mechanism for driving circular cone clamp 8 to rotate on workbench
Fast machine 6, device for adjusting center height 7 are constituted, and device for adjusting center height 7 is provided with positioning annulus 14 and driving lever 15, respectively with circular cone
Clamp 8 couples.Circular cone clamp 8 is made up of two cones, pull bar 10 etc., tightens the nut on the right-hand member of pull bar 10, can be made
Two cones clamp into an entirety with pipe fitting.On workbench be equipped with two pairs of support frames 9, for support circular cone clamp 8 with
Pipe fitting, each support frame 9 is provided with rotor, for reducing frictional force when pipe fitting is rotated.It is digital control before boring next round
System 11 sends instructions, and rotates servomotor 5 and turns over an angle, drives cone to turn together with pipe fitting through reductor, driving lever 15
Move the angle for needing.
As shown in Figures 1 to 3, when the pipe fitting of different-diameter is placed on two pairs of support frames 9, its center is high and workbench
The distance in face can produce the left end cone of change, circular cone clamp 8 to be provided with circle set 16, unclamp the positioning installation axle left end of annulus 14
Nut, will positioning annulus 14 outer surface insertion circle 16 endoporus of set, make the center of positioning annulus 14 and the endoporus center of circle set 16
Unanimously, the nut of the installation axle left end of screwed in place annulus 14, now the centre of gyration of driving lever 15 is high on device for adjusting center height 7
Degree, the axis of rotation with circular cone clamp 8 and pipe fitting is highly consistent.By changing the transmission in the middle of 7 on device for adjusting center height
Gear position, ensure that the rotation for rotating servomotor 5 is delivered to driving lever 15 and pipe fitting.
As shown in figure 3, workbench is provided with a plurality of mounting groove, for installation center height adjusting device 7, support frame 9 etc., peace
Two pairs of support frames 9 in mounting groove on workbench 4, longitudinally opposed position can adjust, and be needed with adapting to different length pipe fitting
Will;Two pairs of support frames 9, each pair support frame includes two support frames, and each support frame is provided with rotor, can support certain limit
The different pipe fitting of interior diameter, each support frame is arranged in two mounting grooves of workbench 4, when pipe fitting diameter dimension is less than two pairs
During the spacing L of support frame 9, each pair support frame can laterally turn installation site in mounting groove simultaneously, turn rear each pair support
Frame upper rotor part centre-to-centre spacing distance diminishes, for adapting to the less tubular type support of diameter.Between two the two of support frame 9 kinds of transverse directions
Away from L, can be specific to set according to the excursion of pipe fitting diameter.
As shown in Figures 1 to 3, by accurate size design, the lateral symmetry center of each pair support frame 9 is made, it is high with center
Positioning annulus 14 horizontal centre of adjusting apparatus 7, the revolution horizontal centre of driving lever 15 are consistent.
When processing same pipe fitting, certain position for making the position of drilling be fixed between two pairs of support frames 9 is bored during drilling
Head center reinforced downwards from the Up Highway UHW of pipe fitting all the time, produced torque is born by two pairs of support frames 9, pipe fitting with cone
Fixture 8 need not be clamped in addition, eccentric before and after drill axis, and when not lined up with pipe fitting Up Highway UHW, produced torque is by dialling
Bar 15 bears.All holes on drilling pipe fitting, it is necessary to vertically move and rotate, all sent instructions by numerical control system 11
Into.In whole process, it is not necessary to unclamp and clamp pipe fitting again.Efficiency and the existing device of ratio of precision are all significantly improved.
The above, specific embodiment only of the invention, but invention protection domain be not limited thereto, it is any ripe
Know those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within the protection domain of invention.