CN103203626B - Gantry movable type multifunctional numerical-control drilling and milling machine - Google Patents
Gantry movable type multifunctional numerical-control drilling and milling machine Download PDFInfo
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- CN103203626B CN103203626B CN201310130111.XA CN201310130111A CN103203626B CN 103203626 B CN103203626 B CN 103203626B CN 201310130111 A CN201310130111 A CN 201310130111A CN 103203626 B CN103203626 B CN 103203626B
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Abstract
A gantry movable type multifunctional numerical-control drilling and milling machine comprises a machine body. Upright columns are slidably supported on the machine body, a crossbeam mechanism is fixedly arranged on the upright columns, an upper drilling and milling mechanism is slidably supported on the crossbeam mechanism, a left machine body is connected with a right machine body by a middle connecting frame, a workbench is fixedly arranged on the connecting frame, the left upright column and the right upright column are respectively slidably supported on the left machine body and the right machine body, the crossbeam mechanism crosses the left upright column and the right upright column and is fixedly arranged on the left upright column and the right upright column, the upper drilling and milling mechanism is slidably supported on the crossbeam mechanism, and a first spindle of the upper drilling and milling mechanism ascends and descends under control of a lifting mechanism and is driven by a first servo motor to rotate; and a lateral drilling and milling mechanism is slidably supported on the left upright column by a moving frame, a second spindle of the lateral drilling and milling mechanism is driven by a second servo motor to rotate, and the lateral drilling and milling mechanism is slidably supported on the moving frame. The gantry movable type multifunctional numerical-control drilling and milling machine has the advantages that lateral surfaces and an upper plane of a part can be simultaneously milled and then are drilled, accordingly, the production efficiency is improved, the labor intensity of workers is reduced, and the machining precision is guaranteed.
Description
Technical field
The present invention relates to numerical control drilling-milling turning equipment technical field, the movable gantry multifunctional numerical control drilling and milling machine of holing again after being specifically related to simultaneously can to carry out milling to part side and upper plane.
Background technology
For the making aspect such as docking of heavy steel production, BOX case beam, elongate articles, the processing in workpiece face is one necessary operation, such as, crossbeam, the large side of casing and the processing of upper surface, hole again after needing Milling Machining, such needs divide and just can complete with double housing planer and drilling machine two equipment, the processing general double housing planer processing of side and upper surface, boring then utilizes drilling machine to process by workman, and use two equipment to process, production cost is high, on the other hand, double housing planer efficiency is low, and process time is longer, and workman's labour intensity of holing is large.
Numerical control gantry drilling and milling machine is shortcoming for above-mentioned Production requirement and prior art and the new equipment occurred, it is the process equipment for heavy parts, the design feature of movable gantry numerical control drilling milling machine is that portal frame moves, workbench is fixed, so it does not limit the weight of workpiece, can processing super long type part, along with improving constantly of its automation performance and Composite degree, obtain and apply more and more widely.But, in existing movable gantry numerical control drilling milling machine, usually the brill milling mechanism of vertical installation is only had, and the quantity of boring milling mechanism also only has a set of usually, for this kind of part that crossbeam, casing etc. need to bore Milling Machining side and upper surface, the brill milling mechanism of vertical installation can not meet the requirement side of this kind of part and upper surface being carried out simultaneously to Milling Process or Drilling operation.
Summary of the invention
The applicant improves for above-mentioned shortcoming of the prior art, there is provided a kind of movable gantry multifunctional numerical control drilling and milling machine, it holes after can carrying out milling to part side plane and upper surface simultaneously again, improves production efficiency, decrease the labour intensity of workman, ensure that machining accuracy simultaneously.
Technical scheme of the present invention is as follows:
Movable gantry multifunctional numerical control drilling and milling machine, comprise lathe bed, control box and electrical control cubicles, column is supported on lathe bed slidably, described column is fixed with beam mechanism, and upper brill milling mechanism is supported on beam mechanism slidably, and electrical control cubicles is installed on beam mechanism, lathe bed is Split type structure, comprise left part lathe bed and right part lathe bed, left part lathe bed and right part lathe bed are connected by middle link, and workbench is packed on link, left column, right column are supported on left part lathe bed and right part lathe bed respectively by slide mechanism slidably, beam mechanism across and be installed on left column and right column, upper brill milling mechanism is contained on mobile fagging, mobile fagging is supported on beam mechanism slidably by the second ball wire bar pair and the second line slideway auxiliary, second ball wire bar pair is driven by servomotor five, the main shaft one that mobile support strip moves brill milling mechanism moves along beam mechanism, the elevating movement of main shaft one is controlled by elevating mechanism, movable plate in described elevating mechanism is supported on upper brill milling mechanism by the 4th ball wire bar pair and the 4th line slideway auxiliary slidably, movable plate drives main shaft one to rise, motion is fallen, 4th ball wire bar pair has servomotor three driving, main shaft one drives rotation by servomotor one, sidetracking milling mechanism is contained on movable stand, movable stand is supported on left column slidably by the first ball wire bar pair and the first line slideway auxiliary, first ball wire bar pair is by servomotor four-wheel drive, movable stand drives main shaft two to be elevated, main shaft two drives rotation by servomotor two, main shaft two followed by Mobile base and carries out left and right movement, and Mobile base is supported on movable stand slidably by the 3rd ball wire bar pair and the 3rd line slideway auxiliary, and the 3rd ball wire bar pair is driven by servomotor six, drive system is all equipped with in the side of left column, right column, drive system controls described slide mechanism and moves, described slide mechanism comprises mobile pallet, and mobile pallet side is connected with slide block, and slide block and the 5th line slideway are slidably connected, 5th line slideway is packed on lathe bed, lathe bed is equipped with tooth bar, and the output shaft of drive system links with gear drive, by wheel and rack engaged transmission, drive mobile pallet moves, and left column and right column are packed in the opposite side of left and right mobile pallet respectively.
Its further technical scheme is:
Described beam mechanism is provided with guardrail, between beam mechanism and right column, cat ladder is housed.
Vertical in space between described mobile pallet and right part lathe bed drag chain is installed, namely the chain link of drag chain is uprightly arranged in the space between right part lathe bed and mobile pallet, lathe bed end face one end is installed with the first gathering sill, drag chain is positioned in the first gathering sill, the both sides, front of the first gathering sill are respectively equipped with the second gathering sill, wire casing, second gathering sill and wire casing are fixedly arranged on lathe bed end face, led by the second gathering sill in one end of drag chain, and by drag chain support and mobile pallet affixed, the other end of drag chain is after the end of the first gathering sill carries out the turning of semicircular arc, be placed in the first gathering sill.
Described control box is arranged on beam mechanism by governor motion adjustable ground, described governor motion comprises pivoted arm, pivoted arm is supported on bearing, pivoted arm is connected by rotating shaft one with bearing, with described support place of pivoted arm for separation, pivoted arm side is connected with plumbing arm by rotating shaft two, the plumbing arm other end and control box affixed, pivoted arm opposite side is connected with balancing weight; Electric pushrod two ends are connected with pivoted arm, bearing respectively by pedestal, and electric pushrod and pedestal pass through pinned connection; Bearing is fixed on rotating seat, and rotating seat is rotatably fitted in base, and bearing one and spacer are housed between rotating seat and base, and base is packed on beam mechanism.
Described sidetracking milling mechanism is fitted with balanced structure, described balanced structure comprises self-locking Spring balancer, the two ends of the intrinsic steel wire rope of self-locking Spring balancer pass from the housing both sides of self-locking Spring balancer respectively, wherein side steel wire rope is connected with the joint of eyelet bolt one by suspension hook one, eyelet bolt one is fixed on left column by nut one, be connected with the joint of eyelet bolt two by suspension hook two after opposite side steel wire rope pile warp roller, eyelet bolt two is fixed on movable stand by nut two; Roller housing is contained on wheel shaft, and wheel shaft is fixed on support, and support is fixed on left column, between roller and wheel shaft, sliding sleeve is housed.
Described elevating mechanism control being bored main shaft one elevating movement of milling mechanism comprises power head box, the 4th ball wire bar pair and the 4th line slideway auxiliary, main shaft one is contained in power head box, the 4th line slideway in 4th line slideway auxiliary is fixedly mounted on the both sides of power head box, 4th line slideway slidably connects guide runner, guide runner is fixedly mounted on mount pad, and mount pad is fixedly installed on movable plate, 4th ball wire bar pair is contained in power head box, ball screw in 4th ball wire bar pair and the output shaft of servomotor three are in transmission connection, the axis being parallel of ball screw is in the 4th line slideway, servomotor three is installed on power head box inside, ball screw is rotatablely equipped with top chock and step, in top chock and step, bearing two is all housed, top chock and step and power head box affixed, ball screw between top chock and step is bolted with screw, screw is fixed on nut seat, nut seat is fixed on movable plate, movable plate drives main shaft one to rise, motion is fallen.
Described top chock and step axially outside are all connected with cover plate, and cover plate is used for the axial restraint of bearing two.
The side of described left column is provided with left operating platform, and the side of right column is provided with right operating platform.
The both sides of described link are provided with Scrap-removing machine.
Described workbench is provided with horizontal " ⊥ " type groove, is used for fixing workpiece.
Technique effect of the present invention:
1, the present invention is by the setting of upper brill milling mechanism and sidetracking milling mechanism, to needing the workpiece such as crossbeam, casing boring Milling Process side plane and upper surface, Milling Process or drilling processing can be carried out to the side plane of this kind of workpiece and upper surface simultaneously, hole again to after the side plane of this kind of workpiece and upper surface simultaneously high-speed milling, both improve production efficiency, decrease the labour intensity of workman, ensure that machining accuracy simultaneously;
2, the present invention is in brill Milling Process operation process, by the setting of balanced structure, the stress balance of the brill milling unit head of sidetracking milling mechanism can be realized, self-locking Spring balancer reaches balance by the pulling force of inner wind spring itself with the gravity and the brill Milling Force that produces when boring milling boring milling head, brill milling unit head is made to be in null-gravity state, effectively can alleviate the driving force of the main shaft two boring milling unit head, protect the ball wire bar pair on column and line slideway auxiliary, ensure that the stability and machining precision of boring milling power head work, on the other hand, self-locking Spring balancer is with auto-lock function, when spring breakage, self-locking plays a protective role,
3, by the setting of governor motion, height and the angle of adjustment operation case can be regulated, by the hinged design of the rotatable design of pivoted arm, plumbing arm and pivoted arm, under the effect of drive unit, the adjustment of control box angle can be realized, arranged by the vertical positional relationship of pivoted arm and plumbing arm and the oblique setting of electric pushrod, the adjustment of control box height can be realized, operate the height thought and angle all adjustable, change the way of conventional fixed-type control box, make operation more flexible, reduce the labour intensity of operator, improve production efficiency; The weight of balancing run case is carried out, steadily without shaking phenomenon when making control box operate by balancing weight;
4, the present invention is by vertical for the drag chain space be installed between lathe bed end face and lathe-bed moving supporting plate bottom surface, during work, drag chain is led by the first gathering sill and the second gathering sill, this mounting structure changes and traditional drag chain is installed on lathe bed side and the horizontally disposed mounting means of drag chain link, its compact conformation, simple, decrease and take up room, drag chain smooth running, and decrease the damage risk of drag chain in the course of the work, improve the service life of drag chain;
5, the line slideway be used in the elevating mechanism of the brill milling unit head being elevated upper brill milling mechanism is installed on the two sides of power head box by the present invention, ball screw is arranged in the space of power head box inside, change the mounting structure that traditional line slideway and ball screw are installed on the main shaft back side, reduce and take up room, and ball screw is positioned as close to lifting spindle two, the center of lifting spindle two, the center of line slideway and the center of ball screw are in same plane substantially, which decrease the generation of eccentric moment during machining, effectively improve cutter life and machine finish.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the enlarged drawing of in Fig. 1 III.
Fig. 5 is the structural representation of elevating mechanism described in upper brill milling mechanism.
Fig. 6 is the A direction view of Fig. 5, broken section.
Figure, 7 is the B-B sectional view of Fig. 5.
Fig. 8 is the C-C sectional view of Fig. 5.
Fig. 9 is the enlarged drawing of in Fig. 7 I.
Figure 10 is the enlarged drawing of in Fig. 7 II.
Figure 11 is the structural representation of the described balanced structure of sidetracking milling mechanism, there is shown the assembly relation of sidetracking milling mechanism and left column, and in order to represent clear, left column and the double dot dash line of sidetracking milling mechanism represent.
Figure 12 is the side view of 11.
Figure 13 is the enlarged drawing in D portion in Figure 11.
Figure 14 is the main TV structure schematic diagram figure of the described governor motion of control box, there is shown the assembly relation of described governor motion, control box, beam mechanism.
Figure 15 is the right view of Figure 14.
Figure 16 is the E-E sectional view of Figure 14.
Figure 17 is the F-F sectional view of Figure 14.
Figure 18 is the G-G sectional view of Figure 14.
Figure 19 be the mounting structure of drag chain overlook TV structure schematic diagram, there is shown and left column, right column are supported on described slide mechanism on left part lathe bed, right part lathe bed and lathe bed slidably respectively by slide mechanism, the lathe bed structure installing drag chain side is illustrate only in figure, in order to represent clear, mobile pallet and right part lathe bed all represent with double dot dash line.
Figure 20 is the left view of Figure 19.
Figure 21 is the H-H sectional view of Figure 19.
Wherein: 1, lathe bed; 101, left part lathe bed; 102, right part lathe bed; 1021, lathe bed end face; 2, beam mechanism; 3, upper brill milling mechanism; 301, main shaft one; 302, servomotor one; 303, power head box; 304, the 4th line slideway; 305, guide runner; 306, mount pad; 307, movable plate; 308, ball screw; 309, servomotor three; 310, top chock; 311, step; 312, bearing two; 313, screw; 314, nut seat; 315, cover plate; 316, backing plate; 4, link; 5, workbench; 6, left column; 7, right column; 8, sidetracking milling mechanism; 801, main shaft two; 802, servomotor two; 803, self-locking Spring balancer; 8031, steel wire rope; 804, suspension hook one; 805, eyelet bolt one; 806, nut one; 807, roller; 808, suspension hook two; 809, eyelet bolt two; 810, nut two; 811, wheel shaft; 812, support; 813, sliding sleeve; 9, drive system; 10, mobile pallet; 11, slide block; 12, the 5th line slideway; 13, tooth bar; 14, gear; 15, control box; 1501, pivoted arm; 1502, bearing; 1503, rotating shaft one; 1504, rotating shaft two; 1505, plumbing arm; 1506, balancing weight; 1507, electric pushrod; 1508, pedestal; 1509, bearing pin; 1510, rotating seat; 1511, base; 1512, bearing one; 1513, spacer; 1514, adjustment seat; 1515, adjusting bolt; 16, electrical control cubicles; 17, guardrail; 18, drag chain; 181, the first gathering sill; 182, the second gathering sill; 183, wire casing; 184, drag chain support; 19, movable stand; 20, left operating platform; 21, right operating platform; 22, Scrap-removing machine; 23, cat ladder; 24, governor motion; 25, balanced structure; 26, the first ball wire bar pair; 27, the first line slideway auxiliary; 28, servomotor four; 29, mobile fagging; 30, the second ball wire bar pair; 31, the second line slideway auxiliary; 32, servomotor five; 33, Mobile base; 34, the 3rd ball wire bar pair; 35, the 3rd line slideway auxiliary; 36, servomotor six; 37, the 4th ball wire bar pair; 38, the 4th line slideway auxiliary.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, the present invention includes lathe bed 1, control box 15 and electrical control cubicles 16, column is supported on lathe bed 1 slidably, described column is fixed with beam mechanism 2, upper brill milling mechanism 3 is supported on beam mechanism 2 slidably, and electrical control cubicles 16 is installed on beam mechanism 2, lathe bed 1 is Split type structure, comprise left part lathe bed 101 and right part lathe bed 102, left part lathe bed 101 and right part lathe bed 102 are connected by middle link 4, and workbench 5 is packed on link 4, left column 6, right column 7 are supported on left part lathe bed 101 with on right part lathe bed 102 slidably respectively by slide mechanism, beam mechanism 2 across and be installed on left column 6 and right column 7, upper brill milling mechanism 3 is contained on mobile fagging 29, mobile fagging 29 is supported on beam mechanism 2 by the second ball wire bar pair 30 and the second line slideway auxiliary 31 slidably, second ball wire bar pair 30 is driven by servomotor 5 32, mobile fagging 29 drives the upper main shaft 1 boring milling mechanism 3 to move along beam mechanism 2, the elevating movement of main shaft 1 is controlled by elevating mechanism, see Fig. 2, Fig. 5, Fig. 7, movable plate 307 in described elevating mechanism is supported in the power head box 303 of upper brill milling mechanism 3 by the 4th ball wire bar pair 37 and the 4th line slideway auxiliary 38 slidably, movable plate 307 drives main shaft 1 to rise, motion is fallen, 4th ball wire bar pair 37 has servomotor 3 309 to drive, main shaft 1 is driven by servomotor 1 and rotates, sidetracking milling mechanism 8 is contained on movable stand 19, movable stand 19 is supported on left column (6) by the first ball wire bar pair 26 and the first line slideway auxiliary 27 slidably, first ball wire bar pair (26) is driven by servomotor 4 28, movable stand 19 drives main shaft 2 801 to be elevated, main shaft 2 801 is driven by servomotor 2 802 and rotates, main shaft 2 801 followed by Mobile base 33 and carries out a left side, move right, Mobile base 33 is supported on movable stand 19 by the 3rd ball wire bar pair 34 and the 3rd line slideway auxiliary 35 slidably, 3rd ball wire bar pair 34 is driven by servomotor 6 36, drive system 9 is all equipped with in the side of left column 6, right column 7, drive system 9 controls described slide mechanism and moves, described slide mechanism comprises mobile pallet 10, mobile pallet 10 side is connected with slide block 11, slide block 11 and the 5th line slideway 12 are slidably connected, 5th line slideway 12 is packed on lathe bed 1, tooth bar 13 lathe bed 1 is equipped with, the output shaft of drive system 9 and gear 14 transmission link, by gear 14 and tooth bar 13 engaged transmission, drive mobile pallet 10 to move, left column 6 and right column 7 are packed in the opposite side of left and right mobile pallet 10 respectively.
Further, see Fig. 1, Fig. 2, in order to easy to maintenance, described beam mechanism 2 be provided with guardrail 17, between beam mechanism 2 and right column 7, cat ladder 23 be housed; See Fig. 1, Fig. 3, in order to easy to operate, the side of described left column 6 is provided with left operating platform 20, and the side of right column 7 is provided with right operating platform 21, in order to bore the metal fillings and cooling fluid discharge that produce in milling process, the both sides of described link 4 will be provided with Scrap-removing machine 22; See Fig. 2, described workbench 5 is provided with some horizontal " ⊥ " type grooves, and described " ⊥ " type groove is used for fixing workpiece.
1, the explanation that main shaft 1 carries out the described elevating mechanism of elevating movement is controlled in upper brill milling mechanism 3:
Further, in upper brill milling mechanism 3, in order to change traditional mounting structure the 4th line slideway and the 4th ball screw being installed on main shaft one back side, reduction takes up room, and the generation of eccentric moment when as far as possible reducing machining, improve controlling upper structure of boring the described elevating mechanism of the main shaft 1 ascending, descending campaign of milling mechanism 3.See Fig. 2, Fig. 5, Fig. 6, Fig. 7, described elevating mechanism comprises power head box 303, the 4th ball wire bar pair 37 and the 4th line slideway auxiliary 38, main shaft 1 is contained in power head box 303, the 4th line slideway 304 in 4th line slideway auxiliary 38 is fixedly mounted on the both sides of power head box 303,4th line slideway 304 slidably connects guide runner 305, guide runner 305 is fixedly mounted on mount pad 306, and mount pad 306 is fixedly installed on movable plate 307, 4th ball wire bar pair 37 is contained in power head box 303, ball screw 308 in 4th ball wire bar pair 37 is in transmission connection with the output shaft of servomotor 3 309, the axis being parallel of ball screw 308 is in the 4th line slideway 304, it is inner that servomotor 3 309 is installed on power head box 303, see Fig. 9, Figure 10, ball screw 308 is rotatablely equipped with top chock 310 and step 311, in top chock 310 and step 311, bearing 2 312 is all housed, top chock 310 and step 311 affixed with power head box 303, described top chock 310 and step 311 axially outside are all connected with cover plate 315, cover plate 315 is for the axial restraint of bearing 2 312, see Fig. 8, top chock 310 and step 311 are all equipped with backing plate 316 with the described fixing position of power head box 303, ball screw 308 between top chock 310 and step 311 is bolted with screw 313, screw 313 is fixed on nut seat 314, nut seat 314 is fixed on movable plate 307, movable plate 307 drives main shaft 1 to rise, motion is fallen.
The method of operation of described elevating mechanism is as follows:
During work, because nut seat 314 and guide runner 305 are fixed on movable plate 307, and ball screw 308 and the 4th line slideway 304 are fixed in power head box 303, when servomotor 3 309 drives ball screw 308 to rotate, whole power head box 303 completes the transmission feeding of the brill milling unit head in upper brill milling mechanism 3 together with ball screw 308 and the 4th line slideway 304.The 4th line slideway 304 in the drive mechanism of lifting drive head is installed on the two sides of power head box 303 by described elevating mechanism, ball screw 308 is arranged in the space of power head box 303 inside, and be positioned as close to main shaft 1, reduce and take up room, the center of main shaft 1, the center of the 4th line slideway 304 and the center of ball screw 308 are in same plane substantially, which decrease the generation of eccentric moment during machining, effectively improve cutter life and machine finish.
2, for the explanation of the balanced structure 25 of sidetracking milling mechanism 8:
Further, in order to can the brill milling unit head of active balance sidetracking milling mechanism 8 bore milling time the brill Milling Force that produces, realize the stress balance boring milling head, described sidetracking milling mechanism 8 is fitted with balanced structure 25, see Figure 11, Figure 12, described balanced structure 25 comprises self-locking Spring balancer 803, the two ends of the intrinsic steel wire rope 8031 of self-locking Spring balancer 803 pass from the housing both sides of self-locking Spring balancer 803 respectively, wherein side steel wire rope is connected with the joint of eyelet bolt 1 by suspension hook 1, eyelet bolt 1 is fixed on left column 6 by nut 1, be connected with the joint of eyelet bolt 2 809 by suspension hook 2 808 after opposite side steel wire rope pile warp roller 807, eyelet bolt 2 809 is fixed on movable stand 19 by nut 2 810, see Figure 13, roller 807 is sleeved on wheel shaft 811, and wheel shaft 811 is fixed on support 812, and support 812 is fixed on left column 6, and sliding sleeve 813 is housed between roller 807 and wheel shaft 811.
The method of operation of balanced structure 25 is as follows:
When sidetracking milling unit head bores milling workpiece, bore on milling unit head, lower motion, steel wire rope 8031 flexible or elongation by the inner wind spring of self-locking Spring balancer 803 at self-locking Spring balancer 803 two ends, play the brill Milling Force produced when active balance sidetracking milling unit head bores milling, realize the stress balance of sidetracking milling unit head, simultaneously, self-locking Spring balancer 803 reaches balance by the pulling force of inner wind spring itself and the gravity of sidetracking milling unit head and the brill Milling Force that produces when boring milling, sidetracking milling unit head is made to be in null-gravity state, effectively can alleviate the driving force of sidetracking milling unit head main shaft 2 801, protect the ball screw subcomponent on left column 6 and line slideway subcomponent, ensure that stability and the machining precision of the work of sidetracking milling unit head.
3, for the explanation of the governor motion 24 of adjustment operation case 15:
Further, in order to realize the adjustment of control box 15 height and angle, make operation more flexible, reduce labor strength, enhance productivity, the present invention has set up governor motion 24.See Figure 14, Figure 15, described control box 15 is arranged on beam mechanism 2 by governor motion 24 adjustable ground, described governor motion 24 comprises pivoted arm 1501, pivoted arm 1501 is supported on bearing 1502, pivoted arm 1501 is connected by rotating shaft 1 with bearing 1502, with described support place of pivoted arm 1501 for separation, see Figure 18, pivoted arm 1501 side is connected with plumbing arm 1505 by rotating shaft 2 1504, plumbing arm 1505 other end and control box 15 affixed, pivoted arm 1501 opposite side is connected with balancing weight 1506, described pivoted arm 1501 is connected with adjustment seat 1514, with adjusting bolt 1515 in adjustment seat 1514, balancing weight 1506 is between adjusting bolt 1515, electric pushrod 1507 two ends are connected with pivoted arm 1501, bearing 1502 respectively by pedestal 1508, see Figure 17, and electric pushrod 1507 is connected by bearing pin 1509 with pedestal 1508, see Figure 16, bearing 1502 is fixed on rotating seat 1510, and rotating seat 1510 is rotatably fitted in base 1511, and bearing 1 and spacer 1513 are housed between rotating seat 1510 and base 1511, and base 1511 is packed on beam mechanism 2.
Governor motion 24 the method for operation as follows:
The adjustment of control box 15 short transverse: by electric pushrod 1507 action, the height of adjustable control box 15, electric pushrod 1507 is released, then control box 15 is lifted;
The adjustment of control box 1 angle: by electric pushrod 1507 action or manually, pivoted arm 1501, bearing 1502, plumbing arm 1505, control box 15 and balancing weight 1506 can be driven integrally to rotate around described support place of pivoted arm 1501, and namely follower's rotating seat 1510 rotates; On the other hand, after carrying out angular adjustment along with rotating seat 1510 rotation, again can also be regulated by the angle of plumbing arm 1505 with rotating shaft 2 1504 pairs of control boxs 15 of pivoted arm 1501 junction;
The balance of control box 15: balancing weight 1506 is for the weight of balancing run case 15, the adjusting bolt 1515 of balancing weight 1506 both sides is for regulating the distance of described support place of balancing weight 1506 and pivoted arm 1501, and to its location, by regulating the distance of described support place of balancing weight 1506 and pivoted arm 1501, control box 15 is better balanced, steadily without shaking phenomenon when making control box 15 operate.
Adjustment structure 24 is by the hinged design of the rotatable design of pivoted arm, plumbing arm and pivoted arm, under the effect of drive unit, the adjustment of control box height and angle can be realized, change the way of conventional fixed-type control box, make operation more flexible, reduce the labour intensity of operator, improve production efficiency.
4, the explanation of the described mounting structure of drag chain 18:
Further, in order to decrease taking up room of drag chain mounting structure, and drag chain is operated steadily, improve the service life of drag chain, the mounting structure of the present invention to drag chain 18 improves.See Figure 19, Figure 20, vertical in space between described mobile pallet 10 and right part lathe bed 102 drag chain 18 is installed, namely the chain link of drag chain 18 is uprightly arranged in the space between right part lathe bed 102 and mobile pallet 10, lathe bed end face 1021 one end is installed with the first gathering sill 181, drag chain 18 is positioned in the first gathering sill 181, see Figure 19, Figure 21, the both sides, front of the first gathering sill 181 are respectively equipped with the second gathering sill 182, wire casing 183, second gathering sill 182 and wire casing 183 are fixedly arranged on lathe bed end face 1021, led by the second gathering sill 182 in one end of drag chain 18, and it is affixed by drag chain support 184 and mobile pallet 10, the other end of drag chain 18 is after the end of the first gathering sill 181 carries out the turning of semicircular arc, be placed in the first gathering sill 181.
The method of operation of the described mounting structure of drag chain 18 is as follows:
First, wire casing 183 is fixed on lathe bed end face 1021 by securing member, the various cables of drawing from right part lathe bed 102 pass wire casing 183, wire casing 183 and mobile pallet 10 are without annexation, therefore, when mobile pallet 10 moves, wire casing 183 is fixed, at wire casing 183 end, the first gathering sill 181 is installed, be placed in the first gathering sill 181 from wire casing 183 cable out through drag chain 18, this section of drag chain 18 is movable, at the end of the first gathering sill 181, drag chain 18 carries out the turning of semicircular arc, then be fixed on mobile pallet 10 by drag chain support 184, along with the walking of mobile pallet 10, drag chain 18 is driven to walk, this section of drag chain 18 is led by the second gathering sill 182 installed below it.In whole mounting structure, drag chain 18 is vertical installation, and be installed in the space between lathe bed end face 1021 and lathe-bed moving supporting plate 10 bottom surface, during work, drag chain 18 is led by the first gathering sill 181 and the second gathering sill 182, and this mounting structure changes and traditional drag chain is installed on lathe bed side and the horizontally disposed mounting means of drag chain link, its compact conformation, decrease taking up room of drag chain, reduce the risk damaging drag chain, improve the service life of drag chain.
Be described further the course of work of the present invention below, X, Y, Z in Fig. 1 and Fig. 2 represent X-axis, Y-axis, Z axis three coordinate directions:
The main shaft 1 of upper brill milling mechanism 3 four-axle linked: by the engaged transmission of drive system 9, gear 14 and tooth bar 13, mobile pallet 10 is moved along the 5th line slideway 12, mobile pallet 10 drives left column 6, right column 7, beam mechanism 2, upper brill milling mechanism 3 and sidetracking milling mechanism 8 to move along the 5th line slideway 12 then, realizes the movement of X-direction; Drive mobile fagging 29 to move along the second line slideway auxiliary 31 by servomotor 5 32, second ball wire bar pair 30, mobile fagging 29 drives brill milling mechanism 3 to move along the second line slideway auxiliary 31 then, realizes the movement of Y direction; Movable plate 307 is driven to move along the 4th line slideway auxiliary 38 by servomotor 3 309, the 4th ball wire bar pair 37, movable plate 307 drives brill milling mechanism 3 to move along the 4th line slideway 304 in the 4th line slideway auxiliary 38 then, is realized the movement of Z-direction by described elevating mechanism; Rotated by servomotor 1 drive shaft 1;
The main shaft 2 801 of sidetracking milling mechanism 8 four-axle linked: by the engaged transmission of drive system 9, gear 14 and tooth bar 13, mobile pallet 10 is moved along the 5th line slideway 12, mobile pallet 10 drives left column 6, right column 7, beam mechanism 2, upper brill milling mechanism 3 and sidetracking milling mechanism 8 to move along the 5th line slideway 12 then, realizes the movement of X-direction; Drive Mobile base 33 to move along the 3rd line slideway auxiliary 35 by servomotor 6 36, the 3rd ball wire bar pair 34, Mobile base 33 drives sidetracking milling mechanism 8 to move along the 3rd line slideway auxiliary 35 then, realizes the movement of Y direction; Drive movable stand 19 to move along the first line slideway auxiliary 27 by servomotor 4 28, first ball wire bar pair 26, movable stand 19 drives sidetracking milling mechanism 8 to move along the first line slideway auxiliary 27 then, realizes the movement of Z-direction; Rotated by servomotor 2 802 drive shaft 2 801;
When carrying out side and upper surface brill Milling Machining to the workpiece such as crossbeam, casing, specific process is as follows:
Carry out the Milling Process of the flat upper surface of workpiece and side plane: described in first being passed through on workbench 5 by workpiece, " ⊥ " type groove, pressing plate, securing member etc. are fixedly mounted on workbench 5; By X, Y, Z three-shaft linkage of X, Y, Z three-shaft linkage of the main shaft 1 of upper brill milling mechanism 3 and the main shaft 2 801 of sidetracking milling mechanism 8, make sidetracking milling mechanism 8 on whole beam mechanism 2 with upper brill milling mechanism 3 near the location of workpiece; According to the milling unit head that the Material selec-tion of workpiece is suitable, moved by the Y-axis of sidetracking milling mechanism 8, tool setting is carried out in the side to be processed facing cutter of sidetracking milling mechanism 8 being moved to workpiece, moved by the Z axis of upper brill milling mechanism 3 again, the upper surface to be processed that the facing cutter of upper brill milling mechanism 3 moves to workpiece is carried out tool setting; Starting servomotor 1 drives the main shaft 2 801 that the upper main shaft 1 boring milling mechanism 3 rotates, servomotor 2 802 drives sidetracking milling mechanism 8 to rotate, and workpiece is carried out simultaneously to the Milling Process of upper surface and side;
Carry out the drilling processing of the flat upper surface of workpiece and side plane: after milling completion of processing, change drilling cutters, then carry out drilling processing according to the step of above-mentioned Milling Process, after the machined surface completion of processing needed for workpiece, discharging workpieces from workbench 5.
In brill Milling Process operation process, the stress balance of the brill milling unit head of sidetracking milling mechanism 8 is realized by balanced structure 25, brill milling unit head is made to be in null-gravity state, effectively can alleviate the driving force of the main shaft boring milling unit head, protect the ball wire bar pair on column and line slideway auxiliary, ensure that the stability and machining precision of boring milling power head work, self-locking Spring balancer is with auto-lock function, and when spring breakage, self-locking plays a protective role; By height and the angle of governor motion 24 adjustment operation case 15, can along with the height of the different adjustment control box 15 of the difference of work pieces process position and operator's height and angle, thus make operator's flexible operation, reduce the labour intensity of operator, improve production efficiency; By by vertical for drag chain 18 space be installed between right part lathe bed end face 1021 and lathe-bed moving supporting plate 10 bottom surface, make the mounting structure of drag chain 18 compact, simple, decrease and take up room, drag chain 18 smooth running, and decrease the damage risk of drag chain 18 in the course of the work, improve the service life of drag chain 18; By installing the 4th ball wire bar pair 37 of the main shaft 301 ascending, descending campaign for controlling to bore milling mechanism 3 in a block space of power head box 303 inside, and in power head box 303 both sides, the 4th line slideway auxiliary 38 is installed, reduce taking up room of described elevating mechanism, and the generation of eccentric moment when as far as possible reducing machining, effectively improve cutter life and machine finish.
The present invention can to needing the workpiece such as crossbeam, casing boring Milling Process side plane and upper surface, Milling Process or drilling processing are carried out to the side plane of this kind of workpiece and upper surface simultaneously, hole again to after the side plane of this kind of workpiece and upper surface simultaneously high-speed milling, both improve production efficiency, decrease the labour intensity of workman, ensure that machining accuracy simultaneously, and reliable operation, easy to operate.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention, see claim, within protection scope of the present invention, can do any type of amendment.
Claims (10)
1. movable gantry multifunctional numerical control drilling and milling machine, comprise lathe bed (1), control box (15) and electrical control cubicles (16), column is supported on lathe bed (1) slidably, described column is fixed with beam mechanism (2), upper brill milling mechanism (3) is supported on beam mechanism (2) slidably, electrical control cubicles (16) is installed on beam mechanism (2), it is characterized in that: lathe bed (1) is Split type structure, comprise left part lathe bed (101) and right part lathe bed (102), left part lathe bed (101) and right part lathe bed (102) are connected by middle link (4), workbench (5) is packed on link (4), left column (6), right column (7) are supported on left part lathe bed (101) with on right part lathe bed (102) slidably respectively by slide mechanism, beam mechanism (2) across and be installed on left column (6) and right column (7), upper brill milling mechanism (3) is contained on mobile fagging (29), mobile fagging (29) is supported on beam mechanism (2) by the second ball wire bar pair (30) and the second line slideway auxiliary (31) slidably, second ball wire bar pair (30) is driven by servomotor five (32), the main shaft one (301) mobile fagging (29) drive being bored milling mechanism (3) is mobile along beam mechanism (2), the elevating movement of main shaft one (301) is controlled by elevating mechanism, movable plate (307) in described elevating mechanism is supported on upper brill milling mechanism (3) by the 4th ball wire bar pair (37) and the 4th line slideway auxiliary (38) slidably, movable plate (307) drives main shaft one (301) to rise, motion is fallen, 4th ball wire bar pair (37) is driven by servomotor three (309), main shaft one (301) is driven by servomotor one (302) and rotates, sidetracking milling mechanism (8) is contained on movable stand (19), movable stand (19) is supported on left column (6) by the first ball wire bar pair (26) and the first line slideway auxiliary (27) slidably, first ball wire bar pair (26) is driven by servomotor four (28), movable stand (19) drives main shaft two (801) to be elevated, main shaft two (801) is driven by servomotor two (802) and rotates, main shaft two (801) followed by Mobile base (33) and carries out a left side, move right, Mobile base (33) is supported on movable stand (19) by the 3rd ball wire bar pair (34) and the 3rd line slideway auxiliary (35) slidably, 3rd ball wire bar pair (34) is driven by servomotor six (36), left column (6), drive system (9) is all equipped with in the side of right column (7), drive system (9) controls described slide mechanism and moves, described slide mechanism comprises mobile pallet (10), mobile pallet (10) side is connected with slide block (11), slide block (11) and the 5th line slideway (12) are slidably connected, 5th line slideway (12) is packed on lathe bed (1), tooth bar (13) lathe bed (1) is equipped with, the output shaft of drive system (9) and gear (14) transmission link, by gear (14) and tooth bar (13) engaged transmission, drive mobile pallet (10) mobile, left column (6) and right column (7) are packed in a left side respectively, move right the opposite side of supporting plate (10).
2., by movable gantry multifunctional numerical control drilling and milling machine according to claim 1, it is characterized in that: described beam mechanism (2) is provided with guardrail (17), between beam mechanism (2) and right column (7), cat ladder (23) is housed.
3. by the movable gantry multifunctional numerical control drilling and milling machine described in claim 1 or 2, it is characterized in that: vertical in the space between described mobile pallet (10) and right part lathe bed (102) drag chain (18) is installed, namely the chain link of drag chain (18) is uprightly arranged in the space between right part lathe bed (102) and mobile pallet (10), lathe bed end face (1021) one end is installed with the first gathering sill (181), drag chain (18) is positioned in the first gathering sill (181), the both sides, front of the first gathering sill (181) are respectively equipped with the second gathering sill (182), wire casing (183), second gathering sill (182) and wire casing (183) are fixedly arranged on lathe bed end face (1021), led by the second gathering sill (182) in one end of drag chain (18), and it is affixed by drag chain support (184) and mobile pallet (10), the other end of drag chain (18) is after the end of the first gathering sill (181) carries out the turning of semicircular arc, be placed in the first gathering sill (181).
4. by the movable gantry multifunctional numerical control drilling and milling machine described in claim 1 or 2, it is characterized in that: described control box (15) is arranged on beam mechanism (2) by governor motion (24) adjustable ground, described governor motion (24) comprises pivoted arm (1501), pivoted arm (1501) is supported on bearing (1502), pivoted arm (1501) is connected by rotating shaft one (1503) with bearing (1502), with described support place of pivoted arm (1501) for separation, pivoted arm (1501) side is connected with plumbing arm (1505) by rotating shaft two (1504), plumbing arm (1505) other end and control box (15) affixed, pivoted arm (1501) opposite side is connected with balancing weight (1506), electric pushrod (1507) two ends are connected with pivoted arm (1501), bearing (1502) respectively by pedestal (1508), and electric pushrod (1507) is connected by bearing pin (1509) with pedestal (1508), bearing (1502) is fixed on rotating seat (1510), rotating seat (1510) is rotatably fitted in base (1511), bearing one (1512) and spacer (1513) are housed between rotating seat (1510) and base (1511), and base (1511) is packed on beam mechanism (2).
5. by the movable gantry multifunctional numerical control drilling and milling machine described in claim 1 or 2, it is characterized in that: described sidetracking milling mechanism (8) is fitted with balanced structure (25), described balanced structure (25) comprises self-locking Spring balancer (803), the two ends of self-locking Spring balancer (803) intrinsic steel wire rope (8031) pass from the housing both sides of self-locking Spring balancer (803) respectively, wherein side steel wire rope is connected with the joint of eyelet bolt one (805) by suspension hook one (804), eyelet bolt one (805) is fixed on left column (6) by nut one (806), opposite side steel wire rope pile warp roller (807) is connected with the joint of eyelet bolt two (809) by suspension hook two (808) afterwards, eyelet bolt two (809) is fixed on movable stand (19) by nut two (810), roller (807) is sleeved on wheel shaft (811), and wheel shaft (811) is fixed on support (812), and support (812) is fixed on left column (6), and sliding sleeve (813) is housed between roller (807) and wheel shaft (811).
6. by the movable gantry multifunctional numerical control drilling and milling machine described in claim 1 or 2, it is characterized in that: described elevating mechanism control being bored main shaft one (301) elevating movement of milling mechanism (3) comprises power head box (303), 4th ball wire bar pair (37) and the 4th line slideway auxiliary (38), main shaft one (301) is contained in power head box (303), the 4th line slideway (304) in 4th line slideway auxiliary (38) is fixedly mounted on the both sides of power head box (303), 4th line slideway (304) slidably connects guide runner (305), guide runner (305) is fixedly mounted on mount pad (306), mount pad (306) is fixedly installed on movable plate (307), 4th ball wire bar pair (37) is contained in power head box (303), ball screw (308) in 4th ball wire bar pair (37) is in transmission connection with the output shaft of servomotor three (309), the axis being parallel of ball screw (308) is in the 4th line slideway (304), it is inner that servomotor three (309) is installed on power head box (303), ball screw (308) is rotatablely equipped with top chock (310) and step (311), in top chock (310) and step (311), bearing two (312) is all housed, top chock (310) and step (311) are affixed with power head box (303), ball screw (308) between top chock (310) and step (311) is bolted with screw (313), screw (313) is fixed on nut seat (314), nut seat (314) is fixed on movable plate (307), movable plate (307) drives main shaft one (301) to rise, motion is fallen.
7. by movable gantry multifunctional numerical control drilling and milling machine according to claim 6, it is characterized in that: described top chock (310) and step (311) axially outside are all connected with cover plate (315), and cover plate (315) is for the axial restraint of bearing two (312).
8., by the movable gantry multifunctional numerical control drilling and milling machine described in claim 1 or 2, it is characterized in that: the side of described left column (6) is provided with left operating platform (20), the side of right column (7) is provided with right operating platform (21).
9., by movable gantry multifunctional numerical control drilling and milling machine according to claim 1, it is characterized in that: the both sides of described link (4) are provided with Scrap-removing machine (22).
10., by movable gantry multifunctional numerical control drilling and milling machine according to claim 1, it is characterized in that: described workbench (5) is provided with horizontal " ⊥ " type groove, is used for fixing workpiece.
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| CN104400434A (en) * | 2014-10-30 | 2015-03-11 | 桂林桂北机器有限责任公司 | Precise numerical control double housing surface milling and grinding complex machine tool of floor working table elevated horizontal beam movable type structure |
| CN104723039B (en) * | 2015-03-25 | 2017-03-01 | 济南天辰铝机股份有限公司 | A kind of numerical control gantry drilling and milling machine being applied to the processing of trolley coach underframe and its processing method |
| CN106239152A (en) * | 2016-08-29 | 2016-12-21 | 泊头巨人重工机械有限公司 | A kind of numerical control gantry moves turnning and milling and bores boring combined machine system |
| CN107971764A (en) * | 2017-12-28 | 2018-05-01 | 苏州米汉钠机床有限公司 | A kind of lathe |
| CN109352079A (en) * | 2018-12-06 | 2019-02-19 | 广州市光泽齿轮机械有限公司 | A kind of computerized numerical control sawing machine |
| CN110524262A (en) * | 2019-09-24 | 2019-12-03 | 河北发那数控机床股份有限公司 | Seesaw type CNC planer type milling machine cantilever design |
| CN111941082B (en) * | 2020-07-17 | 2022-03-25 | 天津市双兴自动门有限公司 | Special machining center device for stand column |
| CN112139572B (en) * | 2020-08-21 | 2022-03-08 | 华翔翔能科技股份有限公司 | Planer-milling machine is used in transformer production |
| CN114505695A (en) * | 2020-11-17 | 2022-05-17 | 比亚迪股份有限公司 | Machining equipment for anti-skid lines of track beam |
| CN112720044B (en) * | 2020-12-28 | 2022-02-01 | 深圳市钜匠科技有限公司 | Liquid collecting structure for high-speed CNC machining center |
| CN118081382B (en) * | 2024-04-29 | 2024-06-25 | 江苏一重数控机床有限公司 | Intelligent drilling, milling and boring composite machining center |
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| DE2739087A1 (en) * | 1976-08-30 | 1978-03-09 | Komatsu Mfg Co Ltd | MACHINE TOOL |
| JPS62236646A (en) * | 1986-04-08 | 1987-10-16 | Hiroshi Kishi | Double head vertical nc lathe with work index table |
| JP2001287102A (en) * | 2000-04-05 | 2001-10-16 | Okuma & Howa Machinery Ltd | Combined machining machine tool |
| CN101961836B (en) * | 2010-09-17 | 2012-09-05 | 王元庆 | Numerically-controlled gantry type vertical and horizontal combined machine tool |
| CN201895236U (en) * | 2010-12-13 | 2011-07-13 | 康凤明 | Built-in drag chain milling and boring machine |
| CN202219395U (en) * | 2011-07-28 | 2012-05-16 | 常州昌隆机床制造有限公司 | Fixed-beam numerically controlled double-spindle planer type drilling and milling machine |
| CN203236214U (en) * | 2013-04-16 | 2013-10-16 | 无锡华联精工机械有限公司 | Gantry-movable multifunctional numerically controlled drilling and milling machine |
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Effective date of registration: 20170420 Address after: 214000 Jiangsu, Wuxi New District, Xin'an street, Xin'an Town, next to the national highway 312 (Xin'an) Patentee after: Wuxi Hualian science & technology group Address before: 214000 Wuxi Jiangsu New District, Xin'an street, Xin'an Town, next to the national highway 312 Patentee before: Wuxi Hualian Precision Machinery Co., Ltd. |