CN102615315B - Automatic double-head milling machine - Google Patents
Automatic double-head milling machine Download PDFInfo
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- CN102615315B CN102615315B CN201210102574.0A CN201210102574A CN102615315B CN 102615315 B CN102615315 B CN 102615315B CN 201210102574 A CN201210102574 A CN 201210102574A CN 102615315 B CN102615315 B CN 102615315B
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Abstract
The invention discloses an automatic double-head milling machine. The automatic double-head milling machine comprises a baseframe, a marble slab, a feeding device, a positioning device, a supporting plate sliding device, a clamping device, a left milling power head device, a right milling power head device and a material receiving hopper, wherein the marble slab is fixed at the top of the baseframe, the supporting plate sliding device is fixed at the middle part of the marble slab, the clamping device is positioned at the top of the supporting plate sliding device, the left and the right milling power head devices are respectively fixed on the marble slab on the two sides of the supporting plate sliding device, the left and the right milling power head devices are symmetrical, the feeding device is positioned above the left or the right milling power head device, the positioning device is positioned on the front side of the clamping device, the material receiving hopper is fixed on the side wall of the baseframe, the feeding device is used for conveying a workpiece to the clamping device, the positioning device is used for positioning the workpiece, the clamping device is used for clamping the workpiece, the supporting plate sliding device can drive the clamping device and the workpiece to do reciprocating linear motion, and the left and the right milling power head devices are respectively used for milling the two surfaces of the workpiece simultaneously.
Description
Technical field
The invention belongs to workpiece milling processing technique field, particularly relate to a kind of automatic double-head milling machine for while milling processing work two sides.
Background technology
Milling is a kind of common machining, for Double Milling processing, adopts milling one side well in the past, the method of milling another side again, inefficiency, the depth of parallelism on two sides is subject to vertical multifactorial impact, bad grasp, and charging, material folding, discharging, feed and walk supporting plate and all need manual operation, labour intensity is large, and the quality of workpiece is unstable, manual operation machine, also has impact to people's safety and health.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind ofly can complete the milling on workpiece two sides simultaneously, greatly improve the quality of products and the automatic double-head milling machine of efficiency, minimizing labor strength.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of automatic double-head milling machine, comprise support, marble slab, pay-off, positioner, supporting plate carriage, clamping device, left, right milling power head device, receiving hopper, support top is marble slab fixedly, supporting plate carriage is fixed on the middle part of marble slab, clamping device is positioned at the top of supporting plate carriage, left, right milling power head device is separately fixed on the marble slab of supporting plate carriage both sides, left, right milling power head device is symmetrical, pay-off is positioned at the top of left or right milling power head device, positioner is positioned at the front side of clamping device, receiving hopper is fixed on the sidewall of support, pay-off is for being delivered to clamping device by workpiece, positioner is for positioning workpiece, clamping device is for clamping work pieces, supporting plate carriage can drive clamping device and workpiece to do reciprocating linear motion, left, right milling power head device is respectively used to the two sides of workpiece to carry out milling simultaneously.
Automatic double-head milling machine of the present invention, wherein said supporting plate carriage comprises first, two air-liquid converters, supporting plate oil cylinder, supporting plate, guide rail, the front side firm banking at marble slab top, guide rail is fixed on base, cylinder supports plate is fixed on the rear side of guide rail, supporting plate oil cylinder is fixed on cylinder supports plate, match with guide rail in the bottom of supporting plate, supporting plate is positioned on guide rail and can slides along guide rail, the piston rod front end of supporting plate oil cylinder is fixedly connected with supporting plate, source of the gas is through air-source treater, after solenoid directional control valve respectively with first, the gas feed of two air-liquid converters connects, the hydraulic oil outlet of the first air-liquid converter is communicated with the rodless cavity of supporting plate oil cylinder through the first one-way speed-regulating valve by the first oil pipe, the hydraulic oil outlet of the second air-liquid converter is communicated with the rod chamber of supporting plate oil cylinder through the second one-way speed-regulating valve by the second oil pipe.
Automatic double-head milling machine of the present invention, wherein said clamping device comprises fixture, enter funnel, Connection Block, left, right support ear side plate, clamping cylinder, band bar eccentric wheel, slide bar, fixture comprises end plate, front end-plate, left, right plate, base plate, chuck motion block, chuck is determined piece, base plate and end plate are fixed on supporting plate, left, the rear end of right plate is fixedly connected with end plate, left, the front end of right plate is fixedly connected with front end-plate, left, between the bottom surface of right plate and front end-plate and base plate, there is spacing, the medial surface of front end-plate is fixedly connected with chuck and determines piece, chuck motion block is positioned at a left side, between right plate, it is identical with chuck motion block structure that chuck is determined piece, chuck determines the rear end face of piece and the front end face of chuck motion block is offered respectively corresponding semicolumn groove,
Fixture front end-plate front side is fixed into funnel, and it is corresponding that the outlet of pan feeding funnel bottom and chuck are determined the cylindrical groove position that forms between piece and chuck motion block,
Connection Block is fixed on the rear side of end plate, left, right support ear side plate is fixed on the both sides of Connection Block, the both sides of cylinder support ear are fixing left respectively, right connecting axle, left, right connecting axle is actively socketed on respectively a left side, on right support ear side plate, clamping cylinder is fixed on cylinder support ear, the piston rod front end of clamping cylinder is threaded with hinge rear end, hinge front end is hinged with the eccentric connecting rod of band bar by pin, with bar eccentric wheel, by bearing pin, be installed in rotation on the plate of Connection Block both sides, the band eccentric wheel body of bar both sides are fixing left respectively, right avertence heart rollback circle, left, right avertence heart rollback circle is coaxial with the eccentric rotation center of band bar, left, the outer rim of right avertence heart rollback circle embeds in the groove of slide bar rear end, compound sleeve is installed in end plate, slide bar front end is threaded with chuck motion block rear end through compound sleeve, slide bar can be before compound sleeve, rear slip,
The base plate of fixture and supporting plate are provided with workpiece outlet, workpiece outlet chuck determine cylindrical groove between piece and chuck motion block under, guide rail is provided with the mounting hole corresponding with workpiece exit position, the marble slab of guide rail below is provided with workpiece export mouth, the leading flank of marble slab is provided with workpiece and derives groove, workpiece export mouth is derived groove with workpiece and is communicated, and receiving hopper is fixed on workpiece derives on the support of groove outlet below.
Automatic double-head milling machine of the present invention, wherein said positioner comprises positioning cylinder, connecting screw, locating piece, positioning cylinder is arranged on the front side of supporting plate, the piston rod of positioning cylinder is connected with one end of connecting screw and locks by the first locking nut, the other end of connecting screw is connected with locating piece and locks by the second locking nut, the base plate of fixture is provided with the groove communicating with workpiece outlet, the position of locating piece is corresponding with groove, locating piece can be under the drive of positioning cylinder in groove before, rear slip, when locating piece arrives workpiece exit position, thereby can block workpiece outlet and tackle workpiece.
Automatic double-head milling machine of the present invention, a wherein said left side, the structure of right milling power head device is identical, comprise respectively railroad, unit head holder, main shaft, milling cutter, motor, railroad comprises slide rail, slide block, slide rail set screw, slide rail is fixed on base, slider bottom matches with track of sliding track, slide block is positioned on slide rail and can moves along slide rail, slide rail fixedly backup plate is fixed on slide rail outside, slide rail regulating handle is contained in slide rail fixedly on backup plate by handle hold-doun nut, slide rail set screw one end is fixedly connected with slide block by sliding track lock jack panel, the other end is threaded with slide rail regulating handle, track of sliding track and slide block are locked by lock screw,
Unit head holder is fixed on slide block, main shaft is arranged on unit head holder, motor is fixed on electric machine support, electric machine support is fixed on marble slab, the first belt pulley is arranged on motor shaft, and the second belt pulley is arranged on main shaft, and belt sleeve is contained on first and second belt pulley, the second belt pulley is positioned at unit head holder
The outer end of main shaft is installed jaw seat and is locked with jaw lock nut, jaw is fixedly connected with jaw seat by pin, on main shaft, be set with kink, kink bearing is arranged on kink, the outer end of kink is taper, the inner is cylindrical, suit trombone slide in main shaft, the outer end of trombone slide is installed umbrella hat and is locked with trombone slide lock nut, the outer end of jaw is fixedly connected with the inner of umbrella hat, the inner of jaw is clipped on the inner of kink, between the inner of trombone slide and main shaft, be set with collet, elastic clip is comprised of 2-4 equal portions curved pipe, the inner outer surface of collet is the conical surface coordinating with the inner inwall of main shaft, milling cutter is clamped in collet, on the outer panel of unit head holder, be bolted shift fork holder, shift fork holder is connected with shift fork connecting rod by fulcrum screw, on the top of shift fork connecting rod inner side and bottom are fixed respectively, lower shift fork, top and the bottom of the outer ring of kink bearing are arranged on respectively, in lower shift fork, one side of shift fork connecting rod is fixedly connected with handgrip, two milling cutters stretch into respectively chuck to be determined between piece and the bottom surface and clamp bottom board of chuck motion block.
Automatic double-head milling machine of the present invention, wherein said pay-off comprises feeding gripper shoe, feeding cylinder, hopper, material lift cylinder, material lift slide block, feeding gripper shoe is arranged on the unit head holder top of left or right milling power set by four height set screw, feeding cylinder holder is arranged on the top right-hand member of feeding gripper shoe, feeding cylinder is fixed on feeding cylinder holder, the piston rod of feeding cylinder is threaded with charging ram, hopper tilts to be fixed in feeding gripper shoe by two side plates, fixing slide block holder in feeding gripper shoe, take-up housing is fixed on slide block holder, material lift cylinder is fixed on slide block holder top, the piston-rod lower end of material lift cylinder is threaded with material lift slider top and by nut check, a left side for take-up housing, right both sides are fixing left respectively, right slide block pressing plate, left, right slide block pressing plate is pressed in the both sides of material lift slide block, material lift slide block can be under the drive of material lift cylinder, on a left side, on between right slide block and take-up housing, lower slider, the bottom of material lift slide block is provided with the platform that connects material, the platform that connects material is positioned at the exit of hopper lower end, charging ram is corresponding with the platform position that connects material, the workpiece connecting material on platform can be pushed in funnel, hopper and material lift slide block are positioned at into funnel right positions.
Automatic double-head milling machine of the present invention, the front end of wherein said guide rail is front apron fixedly, and front limit screw is fixed on front apron, and rear limited screw is fixed on cylinder supports plate.
Automatic double-head milling machine of the present invention, the wherein said top that enters funnel is made as horn mouth, and bottom is cylindrical, fixture header board front side fixed funnel fixed head, the lower end that enters funnel is fixedly connected with funnel fixed head.
Automatic double-head milling machine of the present invention, the rear side fixed support at wherein said marble slab top, first and second air-liquid converter is fixedly mounted on respectively on support, and the forward and backward side at base middle part is fixed respectively forward and backward supporting plate briquetting, and forward and backward supporting plate briquetting is fixed with the forward and backward side of guide rail bottom respectively.
Automatic double-head milling machine of the present invention, the side fixed armature of wherein said track of sliding track, the slide block of railroad is fixedly connected with armature by two lock screws, fixed support bar on shift fork holder, handgrip is supported on support bar.
Automatic double-head milling machine of the present invention, feed arrangement carries out the automatic feed operation of workpiece, positioner is positioned at clamping device place by workpiece, clamping device is by Workpiece clamping, supporting plate carriage drives clamping device and workpiece to carry out linear reciprocating motion, left, right milling power head device is for carry out milling operation to the two sides of workpiece simultaneously, accomplished without manually carrying out feeding, location, the manual operations such as clamping, guaranteed that workman's is healthy and safe, All Jobs all completes automatically, reduced workman's labour intensity, and guaranteed workpiece quality, can carry out Milling Process to the two sides of workpiece simultaneously, improved working (machining) efficiency.
Below in conjunction with accompanying drawing, automatic double-head milling machine of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the perspective view of automatic double-head milling machine of the present invention;
Fig. 2 is the perspective view of supporting plate carriage in automatic double-head milling machine of the present invention
Fig. 3 is the schematic diagram that air-liquid converter is controlled the work of supporting plate oil cylinder;
Fig. 4 is the perspective view of clamping device;
Fig. 5 is the three-dimensional cutaway view of clamping device;
Fig. 6 is the stereogram of positioner;
Fig. 7 is the stereogram of left milling power head device;
Fig. 8 is the sectional block diagram of left milling power head device;
Fig. 9 is the stereogram of railroad;
Figure 10 is the rear perspective view of left milling power head device;
Figure 11 is the stereogram of pay-off;
Figure 12 is the rear perspective view of pay-off.
The specific embodiment
As shown in Figure 1, automatic double-head milling machine of the present invention comprises support 1, marble slab 2, pay-off 3, positioner 5, supporting plate carriage 6, clamping device 8, left and right milling power head device 4,7, receiving hopper 9.
Shown in Fig. 2, supporting plate carriage 6 comprises first, two air- liquid converters 61, 62, supporting plate oil cylinder 63, supporting plate 64, guide rail 65, the front side firm banking 66 at marble slab 2 tops, before base 66 middle parts, before rear side is fixed by screw respectively, rear supporting plate briquetting 67, 68, before, rear supporting plate briquetting 67, 68 respectively with guide rail 65 bottoms before, rear side is fixed by screw, cylinder supports plate 69 is fixed on the rear side of guide rail 65, supporting plate oil cylinder 63 is fixed by screws on cylinder supports plate 69, match with guide rail 65 in the bottom of supporting plate 64, supporting plate 64 is positioned on guide rail 65 and can slides along guide rail 65, the piston rod front end of supporting plate oil cylinder 63 is fixedly connected with supporting plate 64.The front end of guide rail 65 is by the fixing front apron 91 of screw, and front limit screw 92 is fixed on front apron 91, regulates front limit screw, adjustable supporting plate displacement forward.Rear limited screw 93 is fixed on cylinder supports plate 69, limited screw 93 after regulating, adjustable supporting plate displacement backward, make supporting plate can only the scope between forward and backward limited screw in forward and backward movement.
Shown in Fig. 3, the rear side fixed support 94 at marble slab 2 tops, first and second air- liquid converter 61,62 is fixedly mounted on respectively on support 94, source of the gas is connected with the gas feed of first and second air- liquid converter 61,62 respectively after air-source treater 95, solenoid directional control valve 96, the hydraulic oil outlet of the first air-liquid converter 61 is communicated with the rodless cavity of supporting plate oil cylinder 63 through the first one-way speed-regulating valve 98 by the first oil pipe 97, and the hydraulic oil outlet of the second air-liquid converter 62 is communicated with the rod chamber of supporting plate oil cylinder 63 through the second one-way speed-regulating valve 90 by the second oil pipe 99.
It is the three linked piece of AV300-03 that air-source treater can adopt model.
Compressed air is after air-source treater 95 carries out filtering, decompression, mist of oil processing, through solenoid directional control valve 96 commutations, enter the first or second air-liquid converter, convert air pressure to oil pressure, pressure oil in the first or second air-liquid converter is through the throttling of the first or second one-way speed-regulating valve, to supporting plate oil cylinder, thereby the contraction of the piston rod of control supporting plate oil cylinder drives the forward and backward slip of supporting plate.
Because compressed-air actuated compressibility is too large, and hydraulic oil is without constrictive feature, therefore can absorb most of vibration bringing during because of milling tool workpiece.By one-way speed-regulating valve is set, regulate the flow of the pressure oil that enters supporting plate oil cylinder, can control stably the movement velocity of supporting plate.
In conjunction with Fig. 4, shown in 5, clamping device 8 comprises fixture 81, enter funnel 82, Connection Block 83, left, right support ear side plate 84, 85, clamping cylinder 86, band bar eccentric wheel 87, slide bar 88, fixture 81 comprises end plate 811, front end-plate 812, left, right plate 813, 814, base plate 815, chuck motion block 816, chuck is determined piece 817, base plate 815 and end plate 811 are fixed by screws in respectively on supporting plate 64, left, right plate 813, 814 rear end is fixedly connected with end plate 811, left, the front end of right plate is fixedly connected with front end-plate 812, left, right plate 813, 814 and the bottom surface of front end-plate 812 and base plate 815 between there is spacing, the medial surface of front end-plate 812 is fixedly connected with chuck and determines piece 817, chuck motion block 816 is positioned at a left side, right plate 813, between 814, it is identical with chuck motion block 816 structures that chuck is determined piece 817, chuck determines the rear end face of piece 817 and the front end face of chuck motion block 816 is offered respectively corresponding semicolumn groove 818.
Fixture front end-plate 812 front sides are by screw fixed funnel fixed head 89, and the lower end that enters funnel 82 is fixedly connected with funnel fixed head 89.The top that enters funnel 82 is made as horn mouth, and bottom is cylindrical, and it is corresponding that the outlet that enters funnel 82 bottoms and chuck are determined the cylindrical groove position that forms between piece 817 and chuck motion block 816.
The base plate 815 of fixture and supporting plate 64 are provided with workpiece outlet 866, workpiece outlet 866 chuck determine cylindrical groove between piece 817 and chuck motion block 816 under, guide rail 65 is provided with workpiece and exports mounting hole (not shown) corresponding to 866 positions.The marble slab 2 of guide rail 65 belows is provided with workpiece export mouth 868, and the leading flank of marble slab 2 is provided with workpiece and derives groove 869, and workpiece export mouth 868 is derived groove 869 with workpiece and communicated, and receiving hopper 9 is fixed on workpiece derives on the support 1 of groove 869 outlet belows.
Shown in Fig. 6, positioner 5 comprises positioning cylinder 51, connecting screw 52, locating piece 53, positioning cylinder 51 is arranged on the front side of supporting plate 64, the piston rod of positioning cylinder 51 is connected with one end of connecting screw 52 and passes through the first locking nut 54 lockings, and the other end of connecting screw 52 is connected with locating piece 53 and passes through the second locking nut 55 and lock.The base plate 815 of fixture is provided with and workpiece outlet 866 grooves that communicate 56, the position of locating piece 53 is corresponding with groove 56, locating piece 53 can be in the interior forward and backward slip of groove 56 under the drive of positioning cylinder 51, when locating piece 53 arrival workpiece export 866 position, thereby can block workpiece outlet, tackle workpiece.
Shown in Fig. 7-10, left, right milling power head device 4, 7 structure is identical, shown in Fig. 7, left milling power head device comprises railroad, unit head holder 41, main shaft 44, milling cutter 42, motor 43, railroad comprises slide rail 11, slide block 12, slide rail set screw 13, slide rail 11 is fixed on base 66, match with slide rail 11 tracks in slide block 12 bottoms, slide block 12 is positioned on slide rail 11 and can moves along slide rail, slide rail fixedly backup plate 14 is fixed on slide rail 11 outsides, slide rail regulating handle 15 is contained in slide rail fixedly on backup plate 14 by handle hold-doun nut 16, slide rail set screw 13 one end are fixedly connected with slide block 12 by locking nut 17, the other end is threaded with slide rail regulating handle 15.The side fixed armature 18 of slide rail 11 tracks, slide block 12 is fixedly connected with armature 18 by two lock screws 19.
Unit head holder 41 is fixed by screws on slide block 12, main shaft 44 is arranged on unit head holder 41 by bearing, motor 43 is fixed on electric machine support 70, electric machine support 70 is fixed on marble slab 2, the first belt pulley 71 is arranged on motor shaft, the second belt pulley 72 is arranged on main shaft 44, and belt 73 is sleeved on first and second belt pulley 71,72, and the second belt pulley 72 is positioned at unit head holder 41.
The outer end of main shaft 44 is installed jaw seat 47 and is locked with lock nut 48, and jaw 45 is fixedly connected with jaw seat 47 by pin, on main shaft 44, is set with kink, and kink bearing 49 is arranged on kink 491, and the outer end of kink is taper, and the inner is cylindrical.The interior suit trombone slide 46 of main shaft 44, the outer end of trombone slide 46 is installed umbrella hat 461 and is locked with lock nut 462, and the outer end of jaw 45 is fixedly connected with the inner of umbrella hat 461, and the inner of jaw 45 is clipped on the inner of kink 491.Between the inner of trombone slide 46 and main shaft 44, be set with collet 74, collet 74 is comprised of quarter curved pipe, and the inner outer surface of collet 74 is the conical surface coordinating with the inner inwall of main shaft 44, and milling cutter 42 is clamped in collet 74.On the outer panel of unit head holder 41, be bolted shift fork holder 75, shift fork holder 75 is connected with shift fork connecting rod 77 by fulcrum screw 76, upper and lower shift fork 78,79 is fixed respectively in the top of shift fork connecting rod 77 inner sides and bottom, the top of the outer ring of kink bearing 49 and bottom are arranged on respectively in upper and lower shift fork 78,79, one side of shift fork connecting rod 77 is fixedly connected with handgrip 40, fixed support bar 10 on shift fork holder 75, handgrip 40 is supported on support bar 10.
When needs are changed milling cutter, inwardly pull handgrip, drive shift fork connecting rod 77 to move inward, upper and lower shift fork 78,79 is stirred kink bearing 49, kink 491 is inwardly pulled, depart from jaw 45, the front end of jaw inwardly shrinks, and the outer end of jaw is moved inward, pull trombone slide 46 and chuck 74 in main shaft 44, the relative main shaft 44 of chuck 74 moves inward, and chuck 74 unclamps milling cutter 42, i.e. replaceable milling cutter.Change after milling cutter, pull out handgrip, drive fork connecting rod outwards to move, upper and lower shift fork is stirred kink bearing, and kink is pulled out, strut jaw, jaw is clipped in the inner of kink, and the outer end of jaw is outwards moved, and pulls trombone slide and chuck in main shaft, chuck outwards moves and is tightened up relative to main shaft, and chuck clamps milling cutter.Here jaw outer end is very little to the displacement of inner or outer movement, is only 2mm.
In conjunction with Figure 11, shown in 12, pay-off 3 comprises feeding gripper shoe 30, feeding cylinder 31, hopper 32, material lift cylinder 33, material lift slide block 34, feeding gripper shoe 30 is arranged on the unit head holder top of right milling power set 7 by four height set screw 35, feeding cylinder holder 36 is arranged on the top right-hand member of feeding gripper shoe 30 by screw, feeding cylinder 31 is fixed on feeding cylinder holder 36, the piston rod of feeding cylinder 31 is threaded with charging ram 37, hopper 32 tilts to be welded in feeding gripper shoe 30 by two side plates 38, in feeding gripper shoe 30 by the fixing slide block holder 39 of screw, take-up housing 20 is fixed by screws on slide block holder 39, material lift cylinder 33 is fixed by screws in slide block holder 39 tops, the piston-rod lower end of material lift cylinder 33 is connected with material lift slide block 34 screw top and by nut check, a left side for take-up housing 20, right both sides are fixed respectively left by screw, right slide block pressing plate 21, 22, a left side, right slide block pressing plate 21, 22 are pressed in the both sides of material lift slide block 34, and material lift slide block 34 can be under the drive of material lift cylinder 33, on a left side, right slide block pressing plate 21, 22 and take-up housing 20 between on, lower slider.The bottom of material lift slide block 34 is provided with the platform 23 that connects material, and the platform 23 that connects material is positioned at the exit of hopper 32 lower ends.Charging ram 37 is corresponding with platform 23 positions that connect material, and the workpiece connecting material on platform 23 can be pushed in funnel 82.
Hopper 32 and material lift slide block 34 are positioned at into funnel 82 right positions, and two milling cutters 42 stretch into respectively chuck to be determined between the bottom surface and clamp bottom board 815 of piece 817 and chuck motion block 816.
The course of work of automatic double-head milling machine of the present invention is as follows:
(1) automatic feed: because hopper 32 tilts to be fixed in feeding gripper shoe 30, the automatic landing of workpiece 100 connecting material on platform 23 to material lift slide block 34 bottoms in hopper 32 bottoms, 33 actions of material lift cylinder, drive material lift slide block 34 to move up, workpiece 100 is raised, feeding cylinder 31 actions, by charging ram 37, release the workpiece 100 connecting material on platform 23, workpiece 100 levels shift out the platform 23 that connects material, in the process that falls into funnel 82, workpiece 100 rotates to be vertical direction, finally from entering the outlet of funnel 82 bottoms, fall into chuck and determine in the cylindrical groove between piece 817 and chuck motion block 816.Then material lift cylinder 33 and feeding cylinder 31 returns.In the process of milling, enter funnel 82 and move with the movement of fixture, but as long as workpiece 100 does not exceed the horn mouth scope into funnel 82, the workpiece 100 of coming from right side horizontal direction can fall in funnel 82.
(2) location of workpiece: positioning cylinder 51 actions, piston rod is released locating piece 53 backward, in the groove 56 of locating piece 53 on clamp bottom board 815, slide backward, block the workpiece outlet 866 on base plate 815, workpiece 100 is intercepted at chuck and determines between piece 817 and chuck motion block 816, on locating piece 53
(3) clamping of workpiece: clamping cylinder 86 actions, stretch out piston rod, drive hinge 864, by bearing pin, thrust is passed to band bar eccentric wheel 87, band bar eccentric wheel 87 rotates around bearing pin, increase gradually moment, promote slide bar 88 and move forward along the compound sleeve 865 in fixture, chuck motion block 816 moves forward thereupon, determine piece 817 with chuck together with clamping work pieces.Then positioning cylinder 51 returns.
(4) Milling Process of workpiece:
When milling unit one, unclamp two lock screws 19, rotation slide rail regulating handle 15, the left and right movement of slide rail set screw 13 band movable slider 12, drive main shaft 44 and the left and right movement of milling cutter 42, thereby the depth of capable of regulating milling cutter 42 on workpiece is milled into after qualified size, tighten two lock screws 19, in complete machine periodic duty without adjusting again.
Motor 43 drives the first belt pulley 71 rotations, by belt 73, torsion is transferred to main shaft 44, and main shaft 44 drives milling cutter 42 High Rotation Speeds.Supporting plate oil cylinder 63 action, drive supporting plate 64 and on the forward and backward movement of fixture, by chuck motion block 816 and chuck, determine the workpiece 100 forward and backward movement thereupon that piece 817 clamps, workpiece 100, by two milling cutter 42 millings of High Rotation Speed, forms two sides and processes on workpiece.
(5) exiting of workpiece: after workpiece milling is complete, the piston rod of clamping cylinder 86 is return, band bar eccentric wheel 87 and left and right eccentric rollback circle 872,873 are done eccentric rotary around bearing pin, because the outer rim of left and right eccentric rollback circle 872,873 is embedded in the groove of slide bar 88 rear ends, therefore pull slide bar 88 to return backward, chuck motion block 816 unclamps workpiece.The piston rod of positioning cylinder 51 is return, locating piece 53 moves forward, workpiece 100 is in self gravitation falls into workpiece outlet 866, workpiece export mouth 868 on mounting hole from guide rail 65, marble slab 2, workpiece are derived groove 869 and are fallen in receiving hopper 9 successively, completing the processing of a workpiece, is exactly next next circulation.
In the present invention, motor and all cylinders, solenoid directional control valve are controlled by PLC, adopt PLC control able to programme, from entering to expect that discharging circulates successively, adopt capable of parallel moving material, the feeding style of vertical feeding, workpiece is carried out to interception location automatically, Automatic-clamping, milling automatic, and the Milling Process that two milling cutters carry out simultaneously, guaranteed the uniformity of quality, accomplished without manually carrying out feeding, clamped, pull the muscle power work of these heavy repetitions of supporting plate etc., hand, away from these operations, without impact, has improved milling efficiency on people's health.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (9)
1. an automatic double-head milling machine, is characterized in that: comprise support, marble slab, pay-off, positioner, supporting plate carriage, clamping device, left, right milling power head device, receiving hopper, support top is marble slab fixedly, and described supporting plate carriage comprises first, two air-liquid converters, supporting plate oil cylinder, supporting plate, guide rail, the front side firm banking at marble slab top, guide rail is fixed on base, cylinder supports plate is fixed on the rear side of guide rail, supporting plate oil cylinder is fixed on cylinder supports plate, matches with guide rail in the bottom of supporting plate, and supporting plate is positioned on guide rail and can slides along guide rail, the piston rod front end of supporting plate oil cylinder is fixedly connected with supporting plate, and source of the gas is through air-source treater, after solenoid directional control valve respectively with first, the gas feed of two air-liquid converters connects, the hydraulic oil outlet of the first air-liquid converter is communicated with the rodless cavity of supporting plate oil cylinder through the first one-way speed-regulating valve by the first oil pipe, the hydraulic oil outlet of the second air-liquid converter is communicated with the rod chamber of supporting plate oil cylinder through the second one-way speed-regulating valve by the second oil pipe, clamping device is positioned at the top of supporting plate carriage, a left side, right milling power head device is separately fixed on the marble slab of supporting plate carriage both sides, a left side, right milling power head device is symmetrical, pay-off is positioned at the top of left or right milling power head device, positioner is positioned at the front side of clamping device, receiving hopper is fixed on the sidewall of support, pay-off is for workpiece is delivered to clamping device, and positioner is for workpiece is positioned, and clamping device is for clamping work pieces, supporting plate carriage can drive clamping device and workpiece to do reciprocating linear motion, a left side, right milling power head device is respectively used to the two sides of workpiece to carry out milling simultaneously.
2. automatic double-head milling machine according to claim 1, it is characterized in that: described clamping device comprises fixture, enter funnel, Connection Block, left, right support ear side plate, clamping cylinder, band bar eccentric wheel, slide bar, fixture comprises end plate, front end-plate, left, right plate, base plate, chuck motion block, chuck is determined piece, base plate and end plate are fixed on supporting plate, left, the rear end of right plate is fixedly connected with end plate, left, the front end of right plate is fixedly connected with front end-plate, left, between the bottom surface of right plate and front end-plate and base plate, there is spacing, the medial surface of front end-plate is fixedly connected with chuck and determines piece, chuck motion block is positioned at a left side, between right plate, it is identical with chuck motion block structure that chuck is determined piece, chuck determines the rear end face of piece and the front end face of chuck motion block is offered respectively corresponding semicolumn groove,
Fixture front end-plate front side is fixed into funnel, and it is corresponding that the outlet of pan feeding funnel bottom and chuck are determined the cylindrical groove position that forms between piece and chuck motion block,
Connection Block is fixed on the rear side of end plate, left, right support ear side plate is fixed on the both sides of Connection Block, the both sides of cylinder support ear are fixing left respectively, right connecting axle, left, right connecting axle is actively socketed on respectively a left side, on right support ear side plate, clamping cylinder is fixed on cylinder support ear, the piston rod front end of clamping cylinder is threaded with hinge rear end, hinge front end is hinged with the eccentric connecting rod of band bar by pin, with bar eccentric wheel, by bearing pin, be installed in rotation on the plate of Connection Block both sides, the band eccentric wheel body of bar both sides are fixing left respectively, right avertence heart rollback circle, left, right avertence heart rollback circle is coaxial with the eccentric rotation center of band bar, left, the outer rim of right avertence heart rollback circle embeds in the groove of slide bar rear end, compound sleeve is installed in end plate, slide bar front end is threaded with chuck motion block rear end through compound sleeve, slide bar can be before compound sleeve, rear slip,
The base plate of fixture and supporting plate are provided with workpiece outlet, workpiece outlet chuck determine cylindrical groove between piece and chuck motion block under, guide rail is provided with the mounting hole corresponding with workpiece exit position, the marble slab of guide rail below is provided with workpiece export mouth, the leading flank of marble slab is provided with workpiece and derives groove, workpiece export mouth is derived groove with workpiece and is communicated, and receiving hopper is fixed on workpiece derives on the support of groove outlet below.
3. automatic double-head milling machine according to claim 2, it is characterized in that: described positioner comprises positioning cylinder, connecting screw, locating piece, positioning cylinder is arranged on the front side of supporting plate, the piston rod of positioning cylinder is connected with one end of connecting screw and locks by the first locking nut, the other end of connecting screw is connected with locating piece and locks by the second locking nut, the base plate of fixture is provided with the groove communicating with workpiece outlet, the position of locating piece is corresponding with groove, locating piece can be under the drive of positioning cylinder in groove before, rear slip, when locating piece arrives workpiece exit position, thereby can block workpiece outlet and tackle workpiece.
4. automatic double-head milling machine according to claim 3, it is characterized in that: a described left side, the structure of right milling power head device is identical, comprise respectively railroad, unit head holder, main shaft, milling cutter, motor, railroad comprises slide rail, slide block, slide rail set screw, slide rail is fixed on base, slider bottom matches with track of sliding track, slide block is positioned on slide rail and can moves along slide rail, slide rail fixedly backup plate is fixed on slide rail outside, slide rail regulating handle is contained in slide rail fixedly on backup plate by handle hold-doun nut, slide rail set screw one end is fixedly connected with slide block by sliding track lock jack panel, the other end is threaded with slide rail regulating handle, track of sliding track and slide block are locked by lock screw,
Unit head holder is fixed on slide block, main shaft is arranged on unit head holder, motor is fixed on electric machine support, electric machine support is fixed on marble slab, the first belt pulley is arranged on motor shaft, and the second belt pulley is arranged on main shaft, and belt sleeve is contained on first and second belt pulley, the second belt pulley is positioned at unit head holder
The outer end of main shaft is installed jaw seat and is locked with jaw lock nut, jaw is fixedly connected with jaw seat by pin, on main shaft, be set with kink, kink bearing is arranged on kink, the outer end of kink is taper, the inner is cylindrical, suit trombone slide in main shaft, the outer end of trombone slide is installed umbrella hat and is locked with trombone slide lock nut, the outer end of jaw is fixedly connected with the inner of umbrella hat, the inner of jaw is clipped on the inner of kink, between the inner of trombone slide and main shaft, be set with collet, elastic clip is comprised of 2-4 equal portions curved pipe, the inner outer surface of collet is the conical surface coordinating with the inner inwall of main shaft, milling cutter is clamped in collet, on the outer panel of unit head holder, be bolted shift fork holder, shift fork holder is connected with shift fork connecting rod by fulcrum screw, on the top of shift fork connecting rod inner side and bottom are fixed respectively, lower shift fork, top and the bottom of the outer ring of kink bearing are arranged on respectively, in lower shift fork, one side of shift fork connecting rod is fixedly connected with handgrip, two milling cutters stretch into respectively chuck to be determined between piece and the bottom surface and clamp bottom board of chuck motion block.
5. automatic double-head milling machine according to claim 4, it is characterized in that: described pay-off comprises feeding gripper shoe, feeding cylinder, hopper, material lift cylinder, material lift slide block, feeding gripper shoe is arranged on the unit head holder top of left or right milling power set by four height set screw, feeding cylinder holder is arranged on the top right-hand member of feeding gripper shoe, feeding cylinder is fixed on feeding cylinder holder, the piston rod of feeding cylinder is threaded with charging ram, hopper tilts to be fixed in feeding gripper shoe by two side plates, fixing slide block holder in feeding gripper shoe, take-up housing is fixed on slide block holder, material lift cylinder is fixed on slide block holder top, the piston-rod lower end of material lift cylinder is threaded with material lift slider top and by nut check, a left side for take-up housing, right both sides are fixing left respectively, right slide block pressing plate, left, right slide block pressing plate is pressed in the both sides of material lift slide block, material lift slide block can be under the drive of material lift cylinder, on a left side, on between right slide block and take-up housing, lower slider, the bottom of material lift slide block is provided with the platform that connects material, the platform that connects material is positioned at the exit of hopper lower end, charging ram is corresponding with the platform position that connects material, the workpiece connecting material on platform can be pushed in funnel, hopper and material lift slide block are positioned at into funnel right positions.
6. automatic double-head milling machine according to claim 1, is characterized in that: the front end of described guide rail is front apron fixedly, and front limit screw is fixed on front apron, and rear limited screw is fixed on cylinder supports plate.
7. automatic double-head milling machine according to claim 2, is characterized in that: described in enter funnel top be made as horn mouth, bottom is cylindrical, fixture header board front side fixed funnel fixed head, the lower end that enters funnel is fixedly connected with funnel fixed head.
8. automatic double-head milling machine according to claim 6, it is characterized in that: the rear side fixed support at described marble slab top, first and second air-liquid converter is fixedly mounted on respectively on support, the forward and backward side at base middle part is fixed respectively forward and backward supporting plate briquetting, and forward and backward supporting plate briquetting is fixed with the forward and backward side of guide rail bottom respectively.
9. automatic double-head milling machine according to claim 4, it is characterized in that: the side fixed armature of described track of sliding track, the slide block of railroad is fixedly connected with armature by two lock screws, fixed support bar on shift fork holder, and handgrip is supported on support bar.
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| CN201210102574.0A CN102615315B (en) | 2012-04-09 | 2012-04-09 | Automatic double-head milling machine |
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| CN201210102574.0A CN102615315B (en) | 2012-04-09 | 2012-04-09 | Automatic double-head milling machine |
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| CN102615315B true CN102615315B (en) | 2014-04-09 |
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