A kind of three-dimensional drilling and workpiece feed arrangement applied to compared with long profiles
Technical field
The invention belongs to Position servo control technology technical fields, and in particular to a kind of three-dimensional brill applied to compared with long profiles
Hole and workpiece feed arrangement.
Background technique
Currently, manually being bored on bench drill for compared with the method for processing hole above machining long workpieces (square tube, round tube etc.) profile is existing
Hole etc. is cut in hole, drilling of electric hand drill, magnetic drill drilling and plasma cutting hole, laser.Plasma cutting hole pass quality is too poor (to have cone
Degree);It is at high cost that laser cuts hole;Electric hand drill, bench drill etc. can not achieve the Three-dimension process of workpiece, and some uses magnetic drill power head
Deng, it is difficult to ensure that the accurate dimension after workpiece hole machined, and processing efficiency is very low;Punching is difficult to realize (seamed above square tube
Tube shape is irregular).
Summary of the invention
The present invention provides a kind of three-dimensional drilling applied to compared with long profiles and workpiece feed arrangement, to solve the prior art
Present in deficiency.
The present invention is realized by following technical scheme:
A kind of three-dimensional drilling and workpiece feed arrangement applied to compared with long profiles, including three-dimensional bore mill power head device and big stroke
Feed arrangement;Processing while three-dimensional three face for boring milling power head device to realize workpiece;The big stroke feeding
Device drills to realize workpiece precise positioning and be transported to three-dimensional bore in milling power head device.
Further, the three-dimensional milling power head device that bores includes support base, bores milling power head three-dimensional mounting base, vertical servo
Feed mechanism, horizontal servo feed mechanism bore milling power head I, bore milling power head II, bore milling power head III;The brill mills power
The three-dimensional mounting base of head is mounted on support base;Horizontal servo feed mechanism is two, and the symmetrical brill that is mounted on mills power head
The front surface lower part two sides of three-dimensional mounting base, the milling power head I that bores is mounted on the horizontal servo feed mechanism in left side, described
Milling power head II is bored to be mounted on the horizontal servo feed mechanism on right side;The vertical servo feed mechanism is mounted on brill milling power
The front surface top middle of the three-dimensional mounting base of head, the brill milling power head III are mounted on vertical servo feed mechanism;Pass through
Milling power head I is bored, milling power head II is bored, bores while milling power head III realizes three face of workpiece and process.
Further, the vertical servo feed mechanism include two linear guides II, servo motor II, ball-screw II,
Feed screw nut seat II;The symmetrical front surface for being mounted on brill milling power head three-dimensional mounting base of two linear guides II, it is each
Multiple sliding blocks II are equipped in a linear guide I again;Servo motor II is mounted on brill milling power head three-dimensional by motor fixing seat II
Front surface one end of mounting base;One end of ball-screw II is rotatably supported in the front surface for being located at and boring milling power head three-dimensional mounting base
On lead screw after-poppet II on, the other end be rotatably supported in be located at bore milling power head three-dimensional mounting base front surface on lead screw branch
On frame II, and it is connected by shaft coupling II with the servo motor II;Feed screw nut seat I is mounted in the ball-screw II,
Milling power head III is bored to be arranged on sliding block II and feed screw nut seat II.
Further, the horizontal servo feed mechanism includes bottom plate, servo motor I, ball-screw I, feed screw nut seat I;
Bottom plate I is mounted on the front surface for boring milling power head three-dimensional mounting base, and in I top surface of bottom plate, two opposite long side edges are respectively provided with phase
Mutually parallel linear guide I is equipped with multiple slider Is in each linear guide I again;Servo motor I is pacified by motor fixing seat I
Mounted in described I one end of bottom plate;One end of ball-screw I is rotatably supported on the lead screw after-poppet I on bottom plate I, the other end
It is rotatably supported on the lead screw bracket I being located on bottom plate I, and is connected by shaft coupling I with the servo motor I;Feed screw nut
Seat I is mounted in the ball-screw I, is bored milling power head I and is arranged in slider I and feed screw nut seat I.
Further, brill milling power head adjustment mechanism is also equipped at horizontal servo feed mechanism;The brill mills power head
Adjustment mechanism includes two linear guides III, threaded block, lead screws;The symmetrical brill that is mounted on of two linear guides III mills power
The front surface of the three-dimensional mounting base of head, and it is perpendicular with linear guide I, multiple sliding blocks III are equipped in each linear guide III again,
The bottom plate I is mounted on sliding block III, and the lead screw screws in threaded block, and lead screw lower rotation is mounted in bottom plate I, is led to
It crosses and turns lead screw the adjustment for boring milling I height of power head can be realized.
Further, workpiece clamping mechanism is installed at the rear surface for boring milling power head three-dimensional mounting base;The work
Part clamp system includes right-angle connecting plate, middle connecting plate, support frame, pays bar, cylinder I and pressing plate I;The right-angle connecting plate
One side is mounted in brill milling power head three-dimensional mounting base, and another side is connected with middle connecting plate;One end of support frame as described above
It is fixed on middle connecting plate, the other end is hinged with paying in the middle part of bar;
Described one end for paying bar is hinged by breeches joint I and the telescopic rod of cylinder, and the other end is hinged with pressing plate I, pressing plate
I passes through from the through-hole bored in milling power head three-dimensional mounting base, to workpiece pressing;The shell and middle connecting plate of the cylinder
It is hinged.
Further, the big stroke feed arrangement includes support frame, work piece holder mechanism, servo-operated mechanism, tugboat dress
It sets, linear guide IV;Linear guide IV is two, and symmetrical is mounted on the bottom surface of support frame;The work piece holder
For clamping workpiece, the other end is mounted on servo-operated mechanism for one end of mechanism;The servo-operated mechanism is slidably connected at
In linear guide IV, multiple tug devices are equipped at intervals on the support frame in the linear guide IV of two sides;Servo drive machine
Structure drives work piece holder mechanism to slide in linear guide IV, so that the workpiece clamped in work piece holder mechanism is on tug device
It rolls.
Further, the work piece holder mechanism includes L-square, connecting plate, cylinder II, clamp head;The clamp head includes
U-shaped fixture fixing seat, fixture upper lip, fixture lower lip;The fixture lower lip is fixed on fixture fixing seat bottom, fixture upper lip
Middle part is hinged with fixture fixing seat;The fixture fixing seat is connected further through lengthening connecting rod with connecting plate;The L-square
One side is connected with servo-operated mechanism, and another side is connected with connecting plate;The cylinder body of the cylinder II is hinged with connecting plate,
The telescopic rod of cylinder II at the top of breeches joint II and fixture upper lip by being hinged.
Further, it is additionally provided with adjusting screw fixing seat on the L-square, is embedded in the adjusting screw fixing seat
Adjusting nut, and be fixed by pressing plate II, adjusting screw is equipped in the adjusting nut, the bottom of the adjusting screw turns
It is dynamic to be connected on connecting plate;When replacing workpiece model, after loosening the fastening bolt between L-square and connecting plate in elongated hole, lead to
Crossing adjusting screw, the adjustment of work piece holder mechanism height can be realized come the rotation in adjusting nut.
Further, the servo-operated mechanism includes slide plate, servo motor, dee, drag chain bracket, gear, rack gear;Institute
The multiple sliding blocks of underrun for stating slide plate are mounted in linear guide IV, and the rack gear is arranged on the bottom surface of support frame, and with
Linear guide IV is parallel, and the servo motor is connected with speed reducer, and the speed reducer is arranged on slide plate, and the speed reducer is again
It is connected with gear, the wheel and rack is meshed;Servo motor rotation drives speed reducer rotation, and Motor torque is transmitted to gear
On, by the conversion of rack gear, motor rotary motion is made to be changed into linear motion;The bottom surface of support frame is arranged in the dee
On, and it is parallel with linear guide IV;One end of the drag chain bracket is fixed on slide plate, and the other end is arranged in dee,
Play the role of straight-line guidance.
The invention has the advantages that:
The present invention realizes the drilling of workpiece three-dimensional, and obtains the hole of better quality;It is configured with feeding production line, is realized compared with machining long workpieces
Quickly positioning and the three-dimensional drilling of energy, meanwhile, the performance of feed line, the workpiece after determining processing does not have accumulated error.
Detailed description of the invention
Fig. 1 is overall structure of the present invention;
Fig. 2 is that three-dimensional bore mills power head device structural schematic diagram;
Fig. 3 is the partial enlarged view of Fig. 2;
Fig. 4 is horizontal servo feed mechanism structural schematic diagram;
Fig. 5 is vertical servo feed mechanism structural schematic diagram;
Fig. 6 is workpiece clamping mechanism structural schematic diagram;
Fig. 7 is big stroke feed arrangement structural schematic diagram;
Fig. 8 is work piece holder mechanism structure schematic diagram;
Fig. 9 is servo-operated mechanism structural schematic diagram.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
As shown in Figure 1, a kind of three-dimensional drilling and workpiece feed arrangement applied to compared with long profiles, including three-dimensional bore mill power
Head device 100 and big stroke feed arrangement 200;Three-dimensional bores three faces of the milling power head device 100 to realize workpiece 1000
Simultaneous processing;Big stroke feed arrangement 200 mills power head device to realize 1000 precise positioning of workpiece and be transported to three-dimensional bore
It drills in 100.
When work, by work piece holder gear grips workpiece, axial feed, and it is accurately positioned, then by workpiece clamping mechanism
Workpiece is clamped, high-precision drilling mills power head and drives by servo feed mechanism, realizes that three face of workpiece drills simultaneously.
As shown in Fig. 2, it is three-dimensional bore milling power head device 100 include support base 101, bore milling power head three-dimensional mounting base 102,
Vertical servo feed mechanism, horizontal servo feed mechanism bore milling power head I 103, bore milling power head II 104, bore milling power head III
105;Milling power head three-dimensional mounting base 102 is bored to be mounted on support base 101;Horizontal servo feed mechanism is two, and symmetrical
Be mounted on bore milling power head three-dimensional mounting base 102 front surface lower part two sides, bore milling power head I 103 be mounted on left side water
In flat servo feed mechanism, bores milling power head II 104 and be mounted on the horizontal servo feed mechanism on right side;Vertical servo feeds machine
Structure is mounted on the front surface top middle for boring milling power head three-dimensional mounting base 102, and brill milling power head III 105, which is mounted on, vertically to be watched
It takes on feed mechanism;Workpiece 1000 is realized by boring milling power head I 103, brill milling power head II 104, boring milling power head III 105
It is processed while three faces.
As shown in figure 5, vertical servo feed mechanism includes two linear guides II 111, servo motor II 112, ball wire
Thick stick II 113, feed screw nut seat II 114;The symmetrical brill that is mounted on of two linear guides II 111 mills power head three-dimensional mounting base
102 front surface is equipped with multiple sliding blocks II 115 in each linear guide II 111 again;Servo motor II 112 is solid by motor
Reservation II 116 is mounted on the front surface one end for boring milling power head three-dimensional mounting base 102;One end of ball-screw II 113 rotates branch
It supports in the lead screw after-poppet II 117 being located in the front surface for boring milling power head three-dimensional mounting base 102, the other end is rotatably supported in
On the lead screw bracket II 118 in the front surface for boring milling power head three-dimensional mounting base 102, and passes through shaft coupling II 119 and watch
Motor II 112 is taken to be connected;Feed screw nut seat II 114 is mounted in ball-screw II 113, is bored milling power head III 105 and is arranged in cunning
On block II 115 and feed screw nut seat II 114.
As shown in Figure 3, Figure 4, horizontal servo feed mechanism include bottom plate 130, servo motor I 122, ball-screw I 123,
Feed screw nut seat I 124;Bottom plate I 130 is mounted on the front surface for boring milling power head three-dimensional mounting base 102, in I 130 top surface phase of bottom plate
Pair two long side edges be respectively provided with the linear guide I 121 being parallel to each other, in each linear guide I 121 again be equipped with multiple cunnings
Block I 125;Servo motor I 122 is mounted on I one end of bottom plate by motor fixing seat I 126;One end of ball-screw I 123 rotates branch
It supports in the lead screw after-poppet I 127 being located on bottom plate I, the other end is rotatably supported in the lead screw bracket I on bottom plate I 130
On 128, and it is connected by shaft coupling I 129 with servo motor I 122;Feed screw nut seat I 124 is mounted in ball-screw I 123,
Milling power head I 103 is bored to be arranged in slider I 125 and feed screw nut seat I 124.
As shown in figure 3, being also equipped with brill milling power head adjustment mechanism at horizontal servo feed mechanism;Bore milling power head tune
Complete machine structure includes two linear guides III 131, threaded block 132, lead screw 133;The symmetrical installation of two linear guides III 131
Boring the front surface for milling power head three-dimensional mounting base 102, and, each linear guide III 131 perpendicular with linear guide I 121
Upper to be equipped with multiple sliding blocks III 134 again, bottom plate I 130 is mounted on sliding block III 134, and lead screw 133 screws in threaded block 132, and silk
133 lower rotation of thick stick is mounted in bottom plate I 130, and the tune for boring milling I 103 height of power head can be realized by turning lead screw 133
It is whole.
As shown in fig. 6, being equipped with workpiece clamping mechanism at the rear surface for boring milling power head three-dimensional mounting base;
Workpiece clamping mechanism includes right-angle connecting plate 141, middle connecting plate 142, support frame 143, pays bar 144, I 145 and of cylinder
Pressing plate I 146;The one side of right-angle connecting plate 141 is mounted in brill milling power head three-dimensional mounting base 102, another side and centre
Connecting plate 142 is connected;One end of support frame 143 is fixed on middle connecting plate 142, and the other end is mutually cut with scissors with the middle part for paying bar 144
It connects;The one end for paying bar 144 is hinged by breeches joint I 147 and the telescopic rod of cylinder I 145, and the other end is cut with scissors with I 146 phase of pressing plate
It connects, pressing plate I 146 is passed through from the through-hole bored in milling power head three-dimensional mounting base 102, to workpiece pressing;Cylinder I 145
Shell is hinged with middle connecting plate 142.
As shown in fig. 7, big stroke feed arrangement includes support frame 201, work piece holder mechanism, servo-operated mechanism, tugboat
Device 203, linear guide IV 202;Linear guide IV 202 is two, and the symmetrical bottom surface for being mounted on support frame 201
On;For clamping workpiece, the other end is mounted on servo-operated mechanism for one end of work piece holder mechanism;Servo-operated mechanism sliding
It is connected in linear guide IV 202, is equipped at intervals with multiple tugboats on the support frame 201 in the linear guide IV 202 of two sides
Device 203;Servo-operated mechanism drives work piece holder mechanism to slide in linear guide IV 202, so that in work piece holder mechanism
The workpiece of clamping rolls on tug device 203.
As shown in figure 8, work piece holder mechanism includes L-square 211, connecting plate 212, cylinder II 213, clamp head;Clamp head
Including U-shaped fixture fixing seat 214, fixture upper lip 215, fixture lower lip 216;Fixture lower lip 216 is fixed on fixture fixing seat 214
Bottom, middle part and the fixture fixing seat 214 of fixture upper lip 215 are hinged;Fixture fixing seat 214 further through lengthen connecting rod 217 with
Connecting plate 212 is connected;
The one side of L-square 211 is connected with servo-operated mechanism, and another side is connected with connecting plate 212;
The cylinder body of cylinder II 213 is hinged with connecting plate, and the telescopic rod of cylinder II 213 passes through breeches joint II 218 and fixture upper lip
215 top is hinged.
Further scheme: being additionally provided with adjusting screw fixing seat 219 on L-square 211, embedding in adjusting screw fixing seat 219
Enter to have adjusting nut 220, and be fixed by pressing plate II 221, adjusting screw 222, the adjustment are equipped in adjusting nut 220
The lower rotation of lead screw 222 is connected on connecting plate 212;
When replacing workpiece model, after loosening the fastening bolt between L-square 211 and connecting plate 212 in elongated hole 223, pass through tune
The adjustment of work piece holder mechanism height can be realized in rotation of the whole lead screw 222 in adjusting nut 220.
As shown in figure 9, servo-operated mechanism includes slide plate 231, servo motor III 232, dee 233, drag chain bracket
234, gear 235, rack gear 236;The multiple sliding blocks of the underrun of slide plate 231 are mounted in linear guide IV 202, and rack gear 236 is set
It sets on the bottom surface of support frame 201, and parallel with linear guide IV 202, servo motor III 232 is connected with speed reducer 237, and
The speed reducer 237 is arranged on slide plate 231, and speed reducer 237 is connected with gear 235 again, and gear 235 is meshed with rack gear 236;It watches
Taking the rotation of motor III 232 drives speed reducer 237 to rotate, and Motor torque is transmitted on gear 235, by the conversion of rack gear 236, makes
Motor rotary motion is changed into linear motion;Dee 233 is arranged on the bottom surface of support frame 201, and with linear guide IV 202
It is parallel;One end of drag chain bracket 234 is fixed on slide plate 231, and the other end is arranged in dee 233, plays straight-line guidance
Effect.
Further scheme: speed reducer 237 is fixed in fixed plate 238, fixed plate 238 by slotted hole 239 thereon with
The cooperation of adjustment bolt is slidably connected at 231 on slide plate;Adjustment plate 240 is additionally provided on slide plate 231, which passes through
Adjustment screw 241 is connected with fixed plate 238, when gear 235,236 gap of rack gear become larger and make, release adjustment bolt, by turning
The gap between gear 235, rack gear 236 can be adjusted in adjustment screw 241.
It follows that the three-dimensional applications of high-precision drilling milling power head, cooperate big stroke, accurate straight-line feed line, realization pair
Compared with the not processing of the high accurate hole of set a distance on long profiles.It is the main Three-dimension process host including high-precision drilling milling power head, big
The application of stroke, accurate feed line, gear, rack gear and ball-screw-transmission and servo-positioning.Three-dimension process
Host uses servo-positioning and ball-screw-transmission, makes repetitive positioning accuracy within ± 0.02.Big stroke straight-line feed line is adopted
It is driven with accurate retarding machine, substantially increases transmission rigidity.In addition, work piece holder and servo on big stroke, straight-line feed line
The phenomenon that being equipped with adjustment device on transmission mechanism, beaing equipment with tup when avoiding tune machine.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced;Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.