CN103203626A - 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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- CN103203626A CN103203626A CN201310130111XA CN201310130111A CN103203626A CN 103203626 A CN103203626 A CN 103203626A CN 201310130111X A CN201310130111X A CN 201310130111XA CN 201310130111 A CN201310130111 A CN 201310130111A CN 103203626 A CN103203626 A CN 103203626A
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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, be specifically related to and carry out after the milling movable gantry multifunctional numerical control drilling and milling machine of boring more simultaneously to part side and last plane.
Background technology
Making aspects such as butt joint for heavy steel production, BOX case beam, elongate articles, the processing of workpiece face is one necessary operation, such as, the side of crossbeam, big casing and the processing of upper surface, hole again after need milling processing, need like this to divide just can finish with double housing planer and two equipment of drilling machine, the processing general using double housing planer processing of side and upper surface, boring then utilizes drilling machine processing by the workman, uses two equipment to process the production cost height, on the other hand, double housing planer efficient is low, and process time is longer, and workman's labour intensity of holing is big.
The numerical control gantry drilling and milling machine is the new equipment that occurs at the shortcoming of above-mentioned production demand and prior art, it is the process equipment at heavy parts, the design feature of movable gantry numerical control drilling-milling bed is that portal frame moves, stationary table, so it to the weight of workpiece without limits, can processing super long type part, along with improving constantly of its automation performance and compoundization degree, obtain application more and more widely.Yet, in existing movable gantry numerical control drilling-milling bed, usually the brill milling mechanism that has only vertical installation, and the quantity of boring milling mechanism also has only a cover usually, for needs such as crossbeam, casing bored this class part that mills processing side and upper surface, the brill milling mechanism of vertical installation can not satisfy the side of this class part and upper surface carries out Milling Process simultaneously or the requirement of the processing of holing.
Summary of the invention
The applicant improves at above-mentioned shortcoming of the prior art, a kind of movable gantry multifunctional numerical control drilling and milling machine is provided, and it can carry out simultaneously holing after the milling to part side plane and upper surface again, has improved production efficiency, reduce working strength of workers, guaranteed 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 the lathe bed slidably, be fixed with crossbeam mechanism on the described column, on bore milling mechanism and be supported on slidably in the crossbeam mechanism, electrical control cubicles is installed in the crossbeam mechanism, lathe bed is for dividing body 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 the link; Left column, right column are supported on left part lathe bed and the right part lathe bed slidably by slide mechanism respectively; Crossbeam mechanism across and be installed on left column and the right column, last brill milling mechanism is contained on the mobile fagging, mobile fagging is supported in the crossbeam mechanism slidably by second ball wire bar pair and second line slideway auxiliary, second ball wire bar pair is driven by servomotor five, the moving main shaft one that bores milling mechanism of going up of mobile support strip moves along crossbeam mechanism, the elevating movement of main shaft one is controlled by elevating mechanism, movable plate in the described elevating mechanism is supported on slidably by the 4th ball wire bar pair and the 4th line slideway auxiliary and bores on the milling mechanism, movable plate drives main shaft one and rises, motion is fallen, the 4th ball wire bar pair has servomotor three drivings, and main shaft one drives rotation by servomotor one; The sidetracking milling mechanism is contained on the movable stand, movable stand is supported on the left column by first ball wire bar pair and first line slideway auxiliary slidably, first ball wire bar pair is moving by the servomotor 4 wheel driven, movable stand drives main shaft two and carries out lifting, main shaft two drives rotation by servomotor two, main shaft two is being followed mobile seat and is being carried out left and right movement, and mobile seat is supported on the 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 all is equipped with in the side of left column, right column, drive system is controlled described slide mechanism and is moved, described slide mechanism comprises mobile pallet, and mobile pallet one side is connected with slide block, and slide block and the 5th line slideway are slidingly connected, the 5th line slideway is packed on the lathe bed, tooth bar is housed on the lathe bed, and the output shaft of drive system links with gear drive, by the wheel and rack engaged transmission, the 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:
Be equipped with between guardrail, crossbeam mechanism and the right column in the described crossbeam mechanism cat ladder is housed.
The vertical drag chain that is equipped with in the space between described mobile pallet and the right part lathe bed, be that the chain link of drag chain uprightly is arranged in the space between right part lathe bed and the mobile pallet, lathe bed end face one end is installed with first gathering sill, drag chain is positioned in first gathering sill, the both sides, the place ahead of first gathering sill are respectively equipped with second gathering sill, wire casing, second gathering sill and wire casing are fixedly arranged on the lathe bed end face, one end of drag chain is led by second gathering sill, and it is affixed by drag chain support and mobile pallet, the other end of drag chain is placed in first gathering sill after the end of first gathering sill carries out the turning of semicircular arc.
Described control box is arranged in the crossbeam mechanism by the governor motion adjustable ground, described governor motion comprises pivoted arm, pivoted arm is supported on the bearing, pivoted arm is connected by rotating shaft one with bearing, described support place with pivoted arm is separation, pivoted arm one side is connected with plumbing arm by rotating shaft two, and the plumbing arm other end and control box are affixed, and the pivoted arm opposite side is connected with balancing weight; The electric pushrod two ends are connected with pivoted arm, bearing respectively by pedestal, and electric pushrod is connected by bearing pin with pedestal; Bearing is fixed on the rotating seat, and rotating seat rotatably is fitted in the base, and bearing one and spacer are housed between rotating seat and the base, and base is packed in the crossbeam mechanism.
Described sidetracking milling mechanism is fitted with balanced structure, described balanced structure comprises the 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 a side steel wire rope is connected with the joint of eyelet bolt one by suspension hook one, eyelet bolt one is fixed on the left column by nut one, be connected with the joint of eyelet bolt two by suspension hook two behind the opposite side steel wire rope pile warp roller, eyelet bolt two is fixed on the movable stand by nut two; Roller housing is contained on the wheel shaft, and wheel shaft is fixed on the support, and support is fixed on the left column, between roller and the wheel shaft sliding sleeve is housed.
The described elevating mechanism that bores main shaft one elevating movement of milling mechanism in the control comprises unit head casing, the 4th ball wire bar pair and the 4th line slideway auxiliary, main shaft one is contained on the unit head casing, the 4th line slideway in the 4th line slideway auxiliary is fixedly mounted on the both sides of unit head casing, slidely connect guide runner on the 4th line slideway, guide runner is fixedly mounted on the mount pad, and mount pad is fixedly installed on the movable plate; The 4th ball wire bar pair is contained in the unit head casing, the output shaft of the ball-screw in the 4th ball wire bar pair and servomotor three is in transmission connection, the axis of ball-screw is parallel to the 4th line slideway, servomotor three is installed on the unit head box house, be rotatablely equipped with top chock and step on the ball-screw, bearing two all is housed in top chock and the step, top chock and step and unit head casing are affixed, ball-screw between top chock and step is bolted with screw, screw is fixed on the nut seat, nut seat is fixed on the movable plate, and movable plate drives main shaft one and rises, motion is fallen.
Described top chock and the step axially outside all are 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 last brill milling mechanism and sidetracking milling mechanism, needs are bored the workpiece such as crossbeam, casing of Milling Process side plane and upper surface, can be simultaneously side plane and the upper surface of this class workpiece be carried out Milling Process or drilling processing, side plane and upper surface to this class workpiece are holed behind the high-speed milling simultaneously again, both improved production efficiency, reduce working strength of workers, guaranteed machining accuracy simultaneously;
2, the present invention is in boring the Milling Process operation process, setting by balanced structure, can realize the stress balance of the brill milling unit head of sidetracking milling mechanism, the self-locking Spring balancer reaches balance by the brill Milling Force that the pulling force of inner wind spring itself produces with the gravity that bores milling head and when boring milling, make the brill milling unit head be in null-gravity state, can effectively alleviate the driving force of the main shaft two that bores milling unit head, protect ball screw assembly, and line slideway auxiliary on the column, stability and the machining precision of milling power head work have been guaranteed to bore, on the other hand, the self-locking Spring balancer has auto-lock function, and self-locking plays a protective role when spring breakage;
3, the setting by governor motion, can regulate height and the angle of control box, the hinged design of rotatable design, plumbing arm and pivoted arm by pivoted arm, under the effect of drive unit, can realize the adjusting of control box angle, by the vertical positional relationship setting of pivoted arm and plumbing arm and the oblique setting of electric pushrod, can realize the adjusting of control box height, height and angle that operation is thought all can be regulated, changed the way of conventional fixed formula control box, make operation more flexible, reduced operator's labour intensity, improved production efficiency; Come the weight of balancing run case by balancing weight, steady no shaking phenomenon when making the control box operation;
4, the present invention is with in the vertical space that is installed between lathe bed end face and the lathe bed mobile pallet bottom surface of drag chain, during work, drag chain is by first gathering sill and second gathering sill guiding, this mounting structure has changed traditional horizontally disposed mounting means of lathe bed side and drag chain link that drag chain is installed on, its compact conformation, simple has reduced taking up room, the drag chain smooth running, and reduced the damage risk of drag chain in the course of the work, the service life of having improved drag chain;
5, the present invention will be installed on the two sides of unit head casing for the line slideway of the elevating mechanism of the brill milling unit head of brill milling mechanism in the lifting, ball screw is arranged in the space of unit head box house, changed the mounting structure that traditional line slideway and ball screw are installed on the main shaft back side, reduced to take up room, and ball screw is positioned as close to lifting main shaft two, the center of lifting main shaft two, the center of line slideway and the center of ball screw are in the same plane basically, the generation of eccentric moment when having reduced machining has like this improved cutter life and machine finish effectively.
Description of drawings
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 vertical view of Fig. 1.
Fig. 4 is the enlarged drawing of III portion among Fig. 1.
Fig. 5 is the structural representation of elevating mechanism described in the last brill milling mechanism.
Fig. 6 be the A of Fig. 5 to view, broken section.
Fig. 7 is the B-B cutaway view of Fig. 5.
Fig. 8 is the C-C cutaway view of Fig. 5.
Fig. 9 is the enlarged drawing of I portion among Fig. 7.
Figure 10 is the enlarged drawing of II portion among Fig. 7.
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 is clear in order to represent, left column and sidetracking milling mechanism are represented with double dot dash line.
Figure 12 is 11 side view.
Figure 13 is the enlarged drawing of D portion among 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, crossbeam mechanism.
Figure 15 is the right view of Figure 14.
Figure 16 is the E-E cutaway view of Figure 14.
Figure 17 is the F-F cutaway view of Figure 14.
Figure 18 is the G-G cutaway view of Figure 14.
Figure 19 overlooks the TV structure schematic diagram for the mounting structure of drag chain, there is shown left column, right column are supported on described slide mechanism and lathe bed on left part lathe bed, the right part lathe bed slidably by slide mechanism respectively, only show the lathe bed structure that drag chain one side is installed among the figure, clear in order to represent, mobile pallet and right part lathe bed are all represented with double dot dash line.
Figure 20 is the left view of Figure 19.
Figure 21 is the H-H cutaway view of Figure 19.
Wherein: 1, lathe bed; 101, left part lathe bed; 102, right part lathe bed; 1021, lathe bed end face; 2, crossbeam mechanism; 3, bore milling mechanism on; 301, main shaft one; 302, servomotor one; 303, unit head casing; 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, regulate bolt; 16, electrical control cubicles; 17, guardrail; 18, drag chain; 181, first gathering sill; 182, 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, first ball wire bar pair; 27, first line slideway auxiliary; 28, servomotor four; 29, mobile fagging; 30, second ball wire bar pair; 31, second line slideway auxiliary; 32, servomotor five; 33, mobile seat; 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.
The specific embodiment
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 the lathe bed 1 slidably, be fixed with crossbeam mechanism 2 on the described column, on bore milling mechanism 3 and be supported on slidably in the crossbeam mechanism 2, electrical control cubicles 16 is installed in the crossbeam mechanism 2, lathe bed 1 is for dividing body 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 the link 4; Left column 6, right column 7 are supported on left part lathe bed 101 and the right part lathe bed 102 slidably by slide mechanism respectively; Crossbeam mechanism 2 across and be installed on left column 6 and the right column 7, last brill milling mechanism 3 is contained on the mobile fagging 29, mobile fagging 29 is supported in the crossbeam mechanism 2 slidably by second ball wire bar pair 30 and second line slideway auxiliary 31, second ball wire bar pair 30 is driven by servomotor 5 32, mobile fagging 29 drives the main shaft 1 of going up brill milling mechanism 3 and moves along crossbeam 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 the described elevating mechanism is supported on the unit head casing 303 that bores milling mechanism 3 slidably by the 4th ball wire bar pair 37 and the 4th line slideway auxiliary 38, movable plate 307 drives main shaft 1 and rises, motion is fallen, the 4th ball wire bar pair 37 has servomotor 3 309 to drive, and main shaft 1 drives rotation by servomotor 1; Sidetracking milling mechanism 8 is contained on the movable stand 19, movable stand 19 is supported on the left column (6) slidably by first ball wire bar pair 26 and first line slideway auxiliary 27, first ball wire bar pair (26) is driven by servomotor 4 28, movable stand 19 drives main shaft 2 801 and carries out lifting, main shaft 2 801 drives rotation by servomotor 2 802, main shaft 2 801 is being followed mobile seat 33 and is being carried out a left side, move right, mobile seat 33 is supported on the movable stand 19 slidably by the 3rd ball wire bar pair 34 and the 3rd line slideway auxiliary 35, and the 3rd ball wire bar pair 34 is driven by servomotor 6 36; Drive system 9 all is equipped with in the side of left column 6, right column 7, the described slide mechanism of drive system 9 controls moves, described slide mechanism comprises mobile pallet 10, mobile pallet 10 1 sides are connected with slide block 11, slide block 11 and the 5th line slideway 12 are slidingly connected, the 5th line slideway 12 is packed on the lathe bed 1, tooth bar 13 is housed on the lathe bed 1, the output shaft of drive system 9 and gear 14 transmission links, by gear 14 and tooth bar 13 engaged transmission, drive mobile pallet 10 and 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, for easy to maintenance, be equipped with between guardrail 17, crossbeam mechanism 2 and the right column 7 in the described crossbeam mechanism 2 cat ladder 23 is housed; See Fig. 1, Fig. 3, for 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, discharge for brill being milled the metal fillings and the cooling fluid that produce in the process, the both sides of described link 4 are 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, bore in the milling mechanism 3 control main shaft 1 on and carry out the explanation of the described elevating mechanism of elevating movement:
Further, in boring milling mechanism 3, in order to have changed traditional mounting structure that the 4th line slideway and the 4th ball screw is installed on main shaft one back side, reduce to take up room, and the generation of eccentric moment when as far as possible reducing machining, the structure of the described elevating mechanism of controlling the main shaft one 301 ascending, descending campaigns of boring milling mechanism 3 is improved.See Fig. 2, Fig. 5, Fig. 6, Fig. 7, described elevating mechanism comprises unit head casing 303, the 4th ball wire bar pair 37 and the 4th line slideway auxiliary 38, main shaft 1 is contained on the unit head casing 303, the 4th line slideway 304 in the 4th line slideway auxiliary 38 is fixedly mounted on the both sides of unit head casing 303, slidely connect guide runner 305 on the 4th line slideway 304, guide runner 305 is fixedly mounted on the mount pad 306, and mount pad 306 is fixedly installed on the movable plate 307; The 4th ball wire bar pair 37 is contained in the unit head casing 303, ball-screw 308 in the 4th ball wire bar pair 37 is in transmission connection with the output shaft of servomotor 3 309, the axis of ball-screw 308 is parallel to the 4th line slideway 304, servomotor 3 309 is installed on unit head casing 303 inside, see Fig. 9, Figure 10, be rotatablely equipped with top chock 310 and step 311 on the ball-screw 308, in top chock 310 and the step 311 bearing 2 312 is housed all, top chock 310 and step 311 are affixed with unit head casing 303, described top chock 310 and step 311 axially all are connected with cover plate 315 in the outside, cover plate 315 is used for the axial restraint of bearing 2 312, see Fig. 8, top chock 310 and step 311 all are equipped with backing plate 316 with the described fixing position of unit head casing 303, ball-screw 308 between top chock 310 and step 311 is bolted with screw 313, screw 313 is fixed on the nut seat 314, nut seat 314 is fixed on the movable plate 307, and movable plate 307 drives main shaft 1 and rises, 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 the movable plate 307, and ball screw 308 and the 4th line slideway 304 are fixed on the unit head casing 303, when servomotor 3 309 drove ball screw 308 rotations, whole unit head casing 303 was finished the transmission feeding of boring the brill milling unit head in the milling mechanism 3 together with ball screw 308 and the 4th line slideway 304.Described elevating mechanism will be installed on the two sides of unit head casing 303 for the 4th line slideway 304 of the drive mechanism of lifting unit head, ball screw 308 is arranged in unit head casing 303 volume inside, and be positioned as close to main shaft 1, reduced to take up room, the center of the center of the center of main shaft 1, the 4th line slideway 304 and ball screw 308 is in the same plane basically, the generation of eccentric moment when having reduced machining has like this improved cutter life and machine finish effectively.
2, be used for the explanation of the balanced structure 25 of sidetracking milling mechanism 8:
Further, the brill Milling Force that produces when boring milling for brill milling unit head that can active balance sidetracking milling mechanism 8, realize boring the stress balance of 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 self-locking Spring balancer 803 intrinsic steel wire ropes 8031 pass from the housing both sides of self-locking Spring balancer 803 respectively, wherein a side steel wire rope is connected with the joint of eyelet bolt 1 by suspension hook 1, eyelet bolt 1 is fixed on the left column 6 by nut 1, opposite side steel wire rope pile warp roller 807 backs are connected with the joint of eyelet bolt 2 809 by suspension hook 2 808, and eyelet bolt 2 809 is fixed on the movable stand 19 by nut 2 810; See Figure 13, roller 807 is sleeved on the wheel shaft 811, and wheel shaft 811 is fixed on the support 812, and support 812 is fixed on the left column 6, between roller 807 and the wheel shaft 811 sliding sleeve 813 is housed.
The method of operation of balanced structure 25 is as follows:
When the sidetracking milling unit head bores the milling workpiece; bore on the milling unit head; following motion; the steel wire rope 8031 at self-locking Spring balancer 803 two ends is flexible or elongation by self-locking Spring balancer 803 inner wind springs; play the brill Milling Force that produces when active balance sidetracking milling unit head bores milling; realize the stress balance of sidetracking milling unit head; simultaneously; the brill Milling Force that self-locking Spring balancer 803 produces by the gravity of the pulling force of inner wind spring itself and sidetracking milling unit head and when boring milling reaches balance; make the sidetracking milling unit head be in null-gravity state; can effectively alleviate the driving force of sidetracking milling unit head main shaft 2 802; protect ball-screw subcomponent and line slideway subcomponent on the left column 6, guaranteed stability and the machining precision of sidetracking milling unit head work.
3, be used for the explanation of the governor motion 24 of adjusting control box 15:
Further, in order to realize the adjusting 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 in the crossbeam mechanism 2 by governor motion 24 adjustable grounds, described governor motion 24 comprises pivoted arm 1501, pivoted arm 1501 is supported on the bearing 1502, pivoted arm 1501 is connected by rotating shaft 1 with bearing 1502, described support place with pivoted arm 1501 is separation, see Figure 18, pivoted arm 1,501 one sides are connected with plumbing arm 1505 by rotating shaft 2 1504, plumbing arm 1505 other ends and control box 15 are affixed, and pivoted arm 1501 opposite sides are connected with balancing weight 1506, and described pivoted arm 1501 is connected with adjustment seat 1514, have on the adjustment seat 1514 and regulate bolt 1515, balancing weight 1506 is being regulated between the 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 the rotating seat 1510, and rotating seat 1510 rotatably is fitted in the base 1511, and bearing 1 and spacer 1513 are housed between rotating seat 1510 and the base 1511, and base 1511 is packed in the crossbeam mechanism 2.
The adjusting of control box 15 short transverses: by electric pushrod 1507 actions, can regulate the height of control box 15, electric pushrod 1507 is released, and then lifts on the control box 15;
The adjusting of control box 1 angle: by electric pushrod 1507 actions or manual, pivoted arm 1501, bearing 1502, plumbing arm 1505, control box 15 and balancing weight 1506 be can drive and as a whole described support place rotation around pivoted arm 1501, i.e. follower's rotating seat 1510 rotations done; On the other hand, after carrying out angular adjustment along with rotating seat 1510 rotations, can also regulate again by plumbing arm 1505 and the angle of 2 1504 pairs of control boxs 15 of rotating shaft of pivoted arm 1501 junctions;
The balance of control box 15: balancing weight 1506 is used for the weight of balancing run case 15, the adjusting bolt 1515 of balancing weight 1506 both sides is used for the distance of described support place of adjusting balancing weight 1506 and pivoted arm 1501, and to its location, by the distance of adjusting balancing weight 1506 with described support place of pivoted arm 1501, make control box 15 obtain better balance, steady no shaking phenomenon when making control box 15 operations.
4, the explanation of the described mounting structure of drag chain 18:
Further, in order to have reduced taking up room of drag chain mounting structure, and make drag chain operate steadily, improve the service life of drag chain, the present invention improves the mounting structure of drag chain 18.See Figure 19, Figure 20, the vertical drag chain 18 that is equipped with in the space between described mobile pallet 10 and the right part lathe bed 102, be that the chain link of drag chain 18 uprightly is arranged in the space between right part lathe bed 102 and the mobile pallet 10, lathe bed end face 1,021 one ends are installed with first gathering sill 181, drag chain 18 is positioned in first gathering sill 181, see Figure 19, Figure 21, the both sides, the place ahead of first gathering sill 181 are respectively equipped with second gathering sill 182, wire casing 183, second gathering sill 182 and wire casing 183 are fixedly arranged on the lathe bed end face 1021, one end of drag chain 18 is by second gathering sill, 182 guiding, and it is affixed by drag chain support 184 and mobile pallet 10, the other end of drag chain 18 is placed in first gathering sill 181 after the end of first gathering sill 181 carries out the turning of semicircular arc.
The method of operation of the described mounting structure of drag chain 18 is as follows:
At first, wire casing 183 is fixed on the 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 no annexations, therefore, when mobile pallet 10 motions, wire casing 183 is fixed, at wire casing 183 terminal first gathering sills 181 of installing, the cable that comes out from wire casing 183 passes drag chain 18 and is placed in first gathering sill 181, this section drag chain 18 is movable, and at the end of first gathering sill 181, drag chain 18 carries out the turning of semicircular arc, be fixed on the mobile pallet 10 by drag chain support 184 then, along with the walking of mobile pallet 10, drive drag chain 18 walkings, second gathering sill, 182 guiding that this section drag chain 18 is installed by its below.In the whole erection structure, drag chain 18 is vertical installation, and be installed in the space between lathe bed end face 1021 and lathe bed mobile pallet 10 bottom surfaces, during work, drag chain 18 is by first gathering sill 181 and second gathering sill 182 guiding, and this mounting structure has changed traditional horizontally disposed mounting means of lathe bed side and drag chain link that drag chain is installed on, its compact conformation, reduce taking up room of drag chain, reduced to damage the risk of drag chain, the service life of having improved drag chain.
Below the course of work of the present invention is described further, the X among Fig. 1 and Fig. 2, Y, Z represent X-axis, Y-axis, three coordinate directions of Z axle:
The main shaft 1 of last brill milling mechanism 3 four-axle linked: by drive system 9, gear 14 engaged transmission with tooth bar 13, mobile pallet 10 is moved along the 5th line slideway 12, mobile pallet 10 drive then left column 6, right column 7, crossbeam mechanism 2, on bore milling mechanism 3 and sidetracking milling mechanism 8 moves along the 5th line slideway 12, realize the movement of X-direction; Drive mobile fagging 29 and move along second line slideway auxiliary 31 by servomotor 5 32, second ball wire bar pair 30, mobile fagging 29 drives brill milling mechanism 3 then and moves along second line slideway auxiliary 31, realizes the movement of Y direction; Drive movable plate 307 and 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 then and moves along the 4th line slideway 304 in the 4th line slideway auxiliary 38, is realized the movement of Z-direction by described elevating mechanism; By one 301 rotations of servomotor one 302 drive shaft;
The main shaft 2 801 of sidetracking milling mechanism 8 four-axle linked: by drive system 9, gear 14 engaged transmission with tooth bar 13, mobile pallet 10 is moved along the 5th line slideway 12, mobile pallet 10 drive then left column 6, right column 7, crossbeam mechanism 2, on bore milling mechanism 3 and sidetracking milling mechanism 8 moves along the 5th line slideway 12, realize the movement of X-direction; Drive mobile 33 by servomotor 6 36, the 3rd ball wire bar pair 34 and move along the 3rd line slideway auxiliary 35, mobile seat 33 drives sidetracking milling mechanism 8 then and moves along the 3rd line slideway auxiliary 35, realizes the movement of Y direction; Drive movable stand 19 and move along first line slideway auxiliary 27 by servomotor 4 28, first ball wire bar pair 26, movable stand 19 drives sidetracking milling mechanism 8 then and moves along first line slideway auxiliary 27, realizes the movement of Z-direction; By 2 801 rotations of servomotor 2 802 drive shaft;
Workpiece such as crossbeam, casing are carried out side and upper surface bore to mill and add man-hour, specific process is as follows:
Carry out the Milling Process of the flat upper surface of workpiece and side plane: earlier workpiece is fixedly mounted on the workbench 5 by described " ⊥ " type groove on the workbench 5, pressing plate, securing member etc.; X, Y, the Z three-shaft linkage of the main shaft 2 801 of X, Y, Z three-shaft linkage and the sidetracking milling mechanism 8 of the main shaft 1 by last brill milling mechanism 3 make sidetracking milling mechanism 8 and last brill milling mechanism 3 in the overall beam mechanism 2 near the location of workpieces; Select suitable milling unit head according to workpiece material, y-axis shift by sidetracking milling mechanism 8 is moving, tool setting is carried out in the side to be processed that the facing cutter of sidetracking milling mechanism 8 is moved to workpiece, Z axle by last brill milling mechanism 3 moves again, and the upper surface to be processed that the facing cutter of last brill milling mechanism 3 is moved to workpiece carries out tool setting; Start servomotor 1 and drive main shaft one 301 rotations of going up brill milling mechanism 3, main shaft 2 801 rotations that servomotor 2 802 drives sidetracking milling mechanism 8, workpiece is carried out simultaneously the Milling Process of upper surface and side;
Carry out the drilling processing of the flat upper surface of workpiece and side plane: after treating that Milling Process finishes, change drilling cutters, carry out drilling processing according to the step of above-mentioned Milling Process again, after the required machined surface completion of processing of workpiece, discharging workpieces from the workbench 5.
In boring the Milling Process operation process, realize the stress balance of the brill milling unit head of sidetracking milling mechanism 8 by balanced structure 25, make the brill milling unit head be in null-gravity state, can effectively alleviate the driving force of the main shaft that bores milling unit head, protect ball screw assembly, and line slideway auxiliary on the column, guaranteed to bore stability and the machining precision of milling power head work, the self-locking Spring balancer has auto-lock function, and self-locking plays a protective role when spring breakage; Height and angle by governor motion 24 adjusting control boxs 15, can be along with height and the angle of the different adjustment control box 15 of the difference of workpiece Working position and operator's height, thereby make operator's flexible operation, reduced operator's labour intensity, improved production efficiency; By with in the drag chain 18 vertical spaces that are installed between right part lathe bed end face 1021 and lathe bed mobile pallet 10 bottom surfaces, make the mounting structure compactness, simple of drag chain 18, reduced and taken up room, drag chain 18 smooth runnings, and reduced the damage risk of drag chain 18 in the course of the work, improved the service life of drag chain 18; Be used for the 4th ball wire bar pair 37 that the main shaft 301 ascending, descending campaigns of milling mechanism 3 are bored in control by in a block space of unit head casing 303 inside, installing, and in unit head casing 303 both sides the 4th line slideway auxiliary 38 is installed, reduced taking up room of described elevating mechanism, and the generation of eccentric moment when as far as possible having reduced machining, improved cutter life and machine finish effectively.
The present invention can bore the workpiece such as crossbeam, casing of Milling Process side plane and upper surface to needs, side plane and upper surface to this class workpiece carries out Milling Process or drilling processing simultaneously, side plane and upper surface to this class workpiece are holed behind the high-speed milling simultaneously again, both improved production efficiency, reduced working strength of workers, guaranteed machining accuracy simultaneously, and reliable operation, easy to operate.
More than describing is explanation of the invention, is not that institute of the present invention restricted portion within protection scope of the present invention, can be done any type of modification referring to claim to the restriction of invention.
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 the lathe bed (1) slidably, be fixed with crossbeam mechanism (2) on the described column, last brill milling mechanism (3) is supported in the crossbeam mechanism (2) slidably, electrical control cubicles (16) is installed in the crossbeam mechanism (2), it is characterized in that: lathe bed (1) is for dividing body 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 the link (4); Left column (6), right column (7) are supported on left part lathe bed (101) and the right part lathe bed (102) slidably by slide mechanism respectively; Crossbeam mechanism (2) across and be installed on left column (6) and the right column (7), last brill milling mechanism (3) is contained on the mobile fagging (29), mobile fagging (29) is supported in the crossbeam mechanism (2) slidably by second ball wire bar pair (30) and second line slideway auxiliary (31), second ball wire bar pair (30) is driven by servomotor five (32), the main shaft one (301) that bores milling mechanism (3) in mobile fagging (29) drive is mobile along crossbeam mechanism (2), the elevating movement of main shaft one (301) is controlled by elevating mechanism, movable plate in the described elevating mechanism (307) is supported on slidably by the 4th ball wire bar pair (37) and the 4th line slideway auxiliary (38) and bores on the milling mechanism (3), movable plate (307) drives main shaft one (301) and rises, motion is fallen, the 4th ball wire bar pair (37) is driven by servomotor three (309), and main shaft one (301) drives rotation by servomotor one (302); Sidetracking milling mechanism (8) is contained on the movable stand (19), movable stand (19) is supported on the left column (6) slidably by first ball wire bar pair (26) and first line slideway auxiliary (27), first ball wire bar pair (26) is driven by servomotor four (28), movable stand (19) drives main shaft two (801) and carries out lifting, main shaft two (801) drives rotation by servomotor two (802), main shaft two (801) is being followed mobile seat (33) and is being carried out a left side, move right, mobile seat (33) is supported on the movable stand (19) slidably by the 3rd ball wire bar pair (34) and the 3rd line slideway auxiliary (35), and the 3rd ball wire bar pair (34) is driven by servomotor six (36); Left column (6), drive system (9) all is equipped with in the side of right column (7), the described slide mechanism of drive system (9) control moves, described slide mechanism comprises mobile pallet (10), mobile pallet (10) one sides are connected with slide block (11), slide block (11) is slidingly connected with the 5th line slideway (12), the 5th line slideway (12) is packed on the lathe bed (1), tooth bar (13) is housed on the lathe bed (1), the output shaft of drive system (9) and gear (14) transmission link, by gear (14) and tooth bar (13) engaged transmission, it is mobile to drive mobile pallet (10), and left column (6) and right column (7) are packed in a left side respectively, the opposite side of supporting plate (10) moves right.
2. by the described movable gantry multifunctional numerical control of claim 1 drilling and milling machine, it is characterized in that: be equipped with in the described crossbeam mechanism (2) between guardrail (17), crossbeam mechanism (2) and the right column (7) cat ladder (23) is housed.
3. by claim 1 or 2 described movable gantry multifunctional numerical control drilling and milling machines, it is characterized in that: the vertical drag chain (18) that is equipped with in the space between described mobile pallet (10) and the right part lathe bed (102), be that the chain link of drag chain (18) uprightly is arranged in the space between right part lathe bed (102) and the mobile pallet (10), lathe bed end face (1021) one ends are installed with first gathering sill (181), drag chain (18) is positioned in first gathering sill (181), the both sides, the place ahead of first gathering sill (181) are respectively equipped with second gathering sill (182), wire casing (183), second gathering sill (182) and wire casing (183) are fixedly arranged on the lathe bed end face (1021), one end of drag chain (18) is led by second gathering sill (182), and it is affixed by drag chain support (184) and mobile pallet (10), the other end of drag chain (18) is placed in first gathering sill (181) after the end of first gathering sill (181) carries out the turning of semicircular arc.
4. by claim 1 or 2 described movable gantry multifunctional numerical control drilling and milling machines, it is characterized in that: described control box (15) is arranged in the crossbeam mechanism (2) by governor motion (24) adjustable ground, described governor motion (24) comprises pivoted arm (1501), pivoted arm (1501) is supported on the bearing (1502), pivoted arm (1501) is connected by rotating shaft one (1503) with bearing (1502), described support place with pivoted arm (1501) is separation, pivoted arm (1501) one sides are connected with plumbing arm (1505) by rotating shaft two (1504), plumbing arm (1505) other end and control box (15) are affixed, and 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 the rotating seat (1510), rotating seat (1510) rotatably is fitted in the base (1511), bearing one (1512) and spacer (1513) are housed between rotating seat (1510) and the base (1511), and base (1511) is packed in the crossbeam mechanism (2).
5. by claim 1 or 2 described movable gantry multifunctional numerical control drilling and milling machines, 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 the intrinsic steel wire rope of self-locking Spring balancer (803) (8031) pass from the housing both sides of self-locking Spring balancer (803) respectively, wherein a 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 the left column (6) by nut one (806), opposite side steel wire rope pile warp roller (807) back is connected with the joint of eyelet bolt two (809) by suspension hook two (808), and eyelet bolt two (809) is fixed on the movable stand (19) by nut two (810); Roller (807) is sleeved on the wheel shaft (811), and wheel shaft (811) is fixed on the support (812), and support (812) is fixed on the left column (6), between roller (807) and the wheel shaft (811) sliding sleeve (813) is housed.
6. by claim 1 or 2 described movable gantry multifunctional numerical control drilling and milling machines, it is characterized in that: the described elevating mechanism that bores main shaft one (301) elevating movement of milling mechanism (3) in the control comprises unit head casing (303), the 4th ball wire bar pair (37) and the 4th line slideway auxiliary (38), main shaft one (301) is contained on the unit head casing (303), the 4th line slideway (304) in the 4th line slideway auxiliary (38) is fixedly mounted on the both sides of unit head casing (303), slidely connect guide runner (305) on the 4th line slideway (304), guide runner (305) is fixedly mounted on the mount pad (306), and mount pad (306) is fixedly installed on the movable plate (307); The 4th ball wire bar pair (37) is contained in the unit head casing (303), ball-screw (308) in the 4th ball wire bar pair (37) is in transmission connection with the output shaft of servomotor three (309), the axis of ball-screw (308) is parallel to the 4th line slideway (304), servomotor three (309) is installed on unit head casing (303) inside, be rotatablely equipped with top chock (310) and step (311) on the ball-screw (308), in top chock (310) and the step (311) bearing two (312) is housed all, top chock (310) and step (311) are affixed with unit head casing (303), ball-screw (308) between top chock (310) and step (311) is bolted with screw (313), screw (313) is fixed on the nut seat (314), nut seat (314) is fixed on the movable plate (307), and movable plate (307) drives main shaft one (301) and rises, motion is fallen.
7. by the described movable gantry multifunctional numerical control of claim 6 drilling and milling machine, it is characterized in that: described top chock (310) and step (311) the axially outside all are connected with cover plate (315), and cover plate (315) is used for the axial restraint of bearing two (312).
8. by claim 1 or 2 described movable gantry multifunctional numerical control drilling and milling machines, it is characterized in that: 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).
9. by the described movable gantry multifunctional numerical control of claim 1 drilling and milling machine, it is characterized in that: the both sides of described link (4) are provided with Scrap-removing machine (22).
10. by the described movable gantry multifunctional numerical control of claim 1 drilling and milling machine, it is characterized in that: described workbench (5) is provided with horizontal " ⊥ " type groove, is used for fixing workpiece.
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| CN201310130111.XA CN103203626B (en) | 2013-04-16 | 2013-04-16 | Gantry movable type multifunctional numerical-control drilling and milling machine |
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| CN103203626B CN103203626B (en) | 2015-07-22 |
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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 |
| CN104723039A (en) * | 2015-03-25 | 2015-06-24 | 济南天辰铝机股份有限公司 | Numerically-controlled gantry milling and drilling machine for machining underframe of rail passenger car and machining method thereof |
| 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 |
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| 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 |
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| 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 |
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| CN112139572A (en) * | 2020-08-21 | 2020-12-29 | 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 |
| CN112720044A (en) * | 2020-12-28 | 2021-04-30 | 深圳市钜匠科技有限公司 | Liquid collecting structure for high-speed CNC machining center |
| CN118081382A (en) * | 2024-04-29 | 2024-05-28 | 江苏一重数控机床有限公司 | Intelligent drilling, milling and boring composite 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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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. |