CN104339168A - Milling-turning integrated processing lathe - Google Patents
Milling-turning integrated processing lathe Download PDFInfo
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- CN104339168A CN104339168A CN201410609708.7A CN201410609708A CN104339168A CN 104339168 A CN104339168 A CN 104339168A CN 201410609708 A CN201410609708 A CN 201410609708A CN 104339168 A CN104339168 A CN 104339168A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
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Abstract
The invention provides a milling-turning integrated processing lathe, belongs to the technical field of machinery, and solves the low processing efficiency problem of the existing milling-turning integrated processing lathe. The milling-turning integrated processing lathe comprises a workbench, wherein a motor, a turning tool rest, a miller mechanism and a main shaft are arranged on the workbench, the turning tool rest is used for arranging a turning tool, a chuck is arranged at one end of the main shaft, the main shaft is horizontally arranged on the workbench, the main shaft can be driven by the motor to rotate, the miller mechanism comprises a miller rest and a cutter disc for arranging a miller, both the miller rest and the turning tool rest can transversely or longitudinally move and can be opposite to the chuck, the cutter disc is axially fixedly connected with the miller rest, a transmission shaft is further horizontally arranged on the workbench, the transmission shaft is driven by the main shaft to simultaneously rotate through the transmission mechanism, and a clutch component for controlling the connection or separation of the transmission mechanism and the main shaft is arranged between the transmission mechanism and the main shaft; the cutter disc is driven by the transmission shaft to rotate through a universal joint. The milling-turning integrated processing lathe has the advantage of high processing efficiency.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of turnning and milling one machining tool, particularly a kind of one of the turnning and milling for processing prism machining tool.
Background technology
Have two faces parallel to each other, all the other each faces are all quadrangles, and often the common edge of adjacent two quadrangles is all parallel to each other, and the solid surrounded by these faces is called prism.
Existing prism machining tool is as the prism working mechanism [application number: 200510061682.8 of a kind of instrument lathe provided before applicant; Authorization Notice No.: CN 1775437A], it is arranged in the frame of lathe, comprise the turning cylinder be located on spindle stock, with the joining cutter of turning cylinder, work holder, work holder comprises the main shaft and trombone slide that are mutually socketed together, the head of trombone slide is connected chuck, described turning cylinder is fixed with dish type cutterhead, the outer peripheral face of this cutterhead is at least provided with a cutter; Described turning cylinder drives main axis by gear-driven mode; Described work holder is located on the upper slide rest of instrument lathe.
During above-mentioned lathe process prism, blank is clamped on chuck, and is delivered to the position of cutterhead by chuck.Cutter rotates under the drive of turning cylinder, and blank also rotates under the effect of travelling gear, main shaft, chuck, and cutter and blank rotate simultaneously, by the setting to travelling gear, can determine the relative angle speed between cutter and blank.When the cutter on cutterhead turns to billet location place, processed part on blank will be carried out milling by cutter, and cutter is when leaving out billet location place, on blank can not be processed part will turn to cutter, there is the advantage that process velocity is fast, precision is high.
But above-mentioned lathe can only be used for processing prism surface, when needs carry out the operations such as car endoporus or turning to prism, needing part to be put into other lathe processes, and causes working (machining) efficiency low and the problem such as machining accuracy is low.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of working (machining) efficiency high and turnning and milling that machining accuracy is high one machining tool.
Object of the present invention realizes by following technical proposal: a kind of turnning and milling one machining tool, comprise a workbench, described workbench is provided with motor, for arranging the tool holder of lathe tool, milling cutter mechanism and one end have the main shaft of chuck, laterally being located at motor on described workbench and described can drive main axis to described main shaft, described milling cutter mechanism comprises a carriage arbor and the cutterhead for arranging milling cutter, described carriage arbor and tool holder all can transverse direction or longitudinal translations and both all can be relative with described chuck, described cutterhead and carriage arbor are axially connected, it is characterized in that, described workbench is also laterally provided with power transmission shaft, power transmission shaft described in described main shaft is driven by transmission mechanism rotates simultaneously, and between described transmission mechanism and described main shaft, be provided with the clutch part that control is engaged with each other or is separated, cutterhead described in described power transmission shaft is driven by universal joint rotates.
During work, blank to be processed is clamped in chuck, when turning operations such as needs car endoporus, turnings, released state is at the effect lower transmission mechanism of clutch part and main shaft, make rotate separately at the effect lower main axis of motor and drive blank to rotate, now lathe tool work carries out turning to blank, when needs are with processing prism face, tool holder makes lathe tool avoid lathe tool on the impact of milling cutter away from blank relative to the horizontal longitudinal translation of chuck, bonding state is at the effect lower transmission mechanism of clutch part and main shaft, make at transmission mechanism, make driven by motor chuck and cutterhead realize rotating under the effect of universal joint simultaneously, when the milling cutter on cutterhead turns to bland position place, processed part on blank will be carried out milling by milling cutter, and milling cutter is when leaving out bland position place, on blank can not be processed part will turn to milling cutter, in addition carriage arbor is relative to the horizontal longitudinal translation of chuck, to reach processing object.
All relative to the horizontal longitudinal translation of chuck, lathe tool and milling cutter can be made operationally can not to cause mutual interference, thus improve the machining accuracy of prism by carriage arbor and tool holder; When car prismatic surface, rotated by blank and cutterhead simultaneously and carry out milling, make the deviation on prism between each face little, then improve the machining accuracy of prism; By clutch part, turning operation and milling operation are incorporated on same workbench and operationally turning and milling are carried out separately again, make blank to be processed on same lathe and clamped turning and this two procedures of milling by chuck all the time, thus further increase the machining accuracy of prism, simultaneously by above-mentioned structure, make the conversion between turning and milling comparatively flexible, decrease the middle adjustment operation of existing prism lathe for machining, there is the advantage that working (machining) efficiency is high; Because carriage arbor exists certain offset deviation amount in the process of translation, but in the process of carriage arbor translation, universal joint can compress under the effect of cutterhead, the decrement of this universal joint is equal with the offset deviation amount of carriage arbor and the compression direction of universal joint is just contrary with carriage arbor direction of displacement, thus the offset deviation amount of the decrement of universal joint and carriage arbor is offseted, thus improve the machining accuracy of prism further.
In above-mentioned turnning and milling one machining tool, be provided with one between described universal joint and described cutterhead in shaft-like driving member, and the two ends of described driving member are connected with described universal joint and cutterhead respectively.
In the process of milling, universal joint can passive generation compress or rotate under the effect of driving member, and by having arranged the driving member of gearing, the length of universal joint can be reduced, make universal joint compression more stably can occur under the effect of driving member or rotate, enable universal joint more stably be with movable knife disc to rotate, improve the machining accuracy of prism further.
In above-mentioned turnning and milling one machining tool, the movable part one that described universal joint comprises compression unit, be connected with described power transmission shaft and the movable part two be connected with driving member, described movable part one and movable part two are movably connected on described compression unit two ends respectively, described movable part two has internal spline, described driving member one end has external splines, and described movable part two is connected with described driving member with the engagement of external splines by described internal spline.
Driving member is connected with universal joint by spline, and namely universal joint is located by driving member, to improve the accuracy be connected between universal joint with driving member, thus enables universal joint more stably be with movable knife disc to rotate, and improves the machining accuracy of prism.Simultaneously, in the process of milling, owing to adopting the connected mode of spline, the contact area between driving member and movable part two is made to remain constant, thus the concentrated stress decreased suffered by movable part two, make universal joint more stably be with movable knife disc to rotate, improve the machining accuracy of prism further.
In above-mentioned turnning and milling one machining tool, described cutterhead is tubular and this cutterhead axially runs through connecting hole, described driving member other end grafting is also fixed in described connecting hole, and described driving member is positioned at the length of described connecting hole and the total length ratio of driving member is greater than 1/2nd.
Adopt above-mentioned design, be used for increasing the contact area between driving member and cutterhead, thus the concentrated stress suffered by minimizing driving member, make in the process of work, driving member can more stably make universal joint compression occur or rotate, enable universal joint stabilized zone movable knife disc rotation more, the prism machining accuracy improved further.
In above-mentioned turnning and milling one machining tool, described transmission mechanism comprises the active synchronization wheel be set on described main shaft and the driven synchronizing wheel be connected mutually with described power transmission shaft, and described active synchronization wheel is connected mutually with described clutch part and this active synchronization is taken turns and is connected with described driven synchronizing wheel by Timing Belt.
Main shaft drives drive axis by the mode of toothed belt transmission, has that structure is simple, the advantage of stable transmission, thus enables power transmission shaft stable rotation, then make universal joint more stabilized zone movable knife disc rotate, improve the machining accuracy of prism further.
The power that cutterhead rotates is provided by the mode of toothed belt transmission by the main shaft driving blank to rotate, in the manufacture process of lathe reality, can design the number of teeth of the number of teeth of active synchronization wheel and driven synchronizing wheel, thus the relative angle speed of rotating between main shaft and cutterhead can be determined easily, and then different prisms can be processed, add the scope of application of this lathe.
Alternatively, in above-mentioned turnning and milling one machining tool, described transmission mechanism comprises the master gear be set on described main shaft and the driven gear be connected mutually with described power transmission shaft, and described master gear is connected mutually with described clutch part and this master gear is meshed with described driven gear.
Main shaft drives drive axis by gear-driven mode, has that structure is simple, the advantage of stable transmission, thus enables power transmission shaft stable rotation, then make universal joint more stabilized zone movable knife disc rotate, improve the machining accuracy of prism further.
In above-mentioned turnning and milling one machining tool, described clutch part is an electromagnetic clutch, and described electromagnetic clutch is connected mutually with described main shaft.
Electromagnetic clutch can adopt DLK1 clutch more common on the market, and this clutch is primarily of compositions such as iron core, yoke, armature, coil, interior outside friction disc, connection, spring leafs.Wherein, active synchronization wheel/master gear and connection fix, and when coil obtains electric, interior outside friction disc is compacted, the moment of main shaft to clutch is delivered in connection, and is finally delivered on active synchronization wheel/master gear.
Obtain electric or dead electricity by the coil in electromagnetic clutch to carry out control moment and whether be delivered on active synchronization wheel/master gear, thus whether control main shaft drives drive axis, have structure simple, can the advantage of stable delivery moment, thus make universal joint stabilized zone movable knife disc rotation more, improve the machining accuracy of prism further; And because electromagnetic clutch obtains, mostly electric and dead electricity process be to complete instantaneously, thus accelerate the conversion between turning and milling, and then improve the operating efficiency of this lathe.
Alternatively, in above-mentioned turnning and milling one machining tool, described main shaft is fixed with driving disc spacing pressing, described main shaft is also arranged with clutch plate, described clutch part comprises the electromagnetic block one be connected on driving disc spacing pressing and the electromagnetic block two be connected on clutch plate, described electromagnetic block one and electromagnetic block two position face and the magnetic pole at two ends adjacent on electromagnetic block one and electromagnetic block two is contrary, and described active synchronization wheel/master gear is connected with described clutch plate.
When needs milling operation, electromagnetic block one and electromagnetic block two all electric and produce magnetic force, because the magnetic pole at two ends adjacent on electromagnetic block one and electromagnetic block two is contrary, driving disc spacing pressing is made to drive clutch plate to rotate, thus drive active synchronization wheel/master gear to rotate, structure simply, can the advantage of stable delivery moment, thus in the process of milling, cutterhead can stably rotate, and improves the machining accuracy of prism further.
In above-mentioned turnning and milling one machining tool, described main shaft is fixed with driven pulley, and described motor output shaft end is fixed with drive pulley, and described drive pulley is connected with described driven pulley by belt.
Motor drives main axis by bel-drivenn mode, have that structure is simple, the advantage of stable transmission, make main shaft drive power transmission shaft stable rotation by transmission mechanism, thus universal joint band movable knife disc is stably rotated, improve the machining accuracy of blank further.
Alternatively, in above-mentioned turnning and milling one machining tool, described described main shaft is fixed with driven pulley, and described motor output shaft end is fixed with drive pulley, and described drive pulley is connected with described driven pulley by described chain.
In above-mentioned turnning and milling one machining tool, described workbench is provided with one can the saddle of transverse translation, described saddle is provided with can relative to the upper slide rest of described saddle longitudinal translation, and described tool holder and carriage arbor are all located on described upper slide rest.
All be located on upper slide rest by tool holder and carriage arbor, tool holder and carriage arbor are moved in the same way, the process of turning and milling is not interfere with each other, improve the machining accuracy of prismatic surface, adopt above-mentioned design simultaneously, can once movement make tool holder away from blank (or carriage arbor is away from blank), there is the advantage of the working (machining) efficiency improving this lathe.
Change lathe tool or the position between milling cutter and blank by the movement of saddle and upper slide rest, this lathe can be processed the blank of different sizes, there is advantage applied widely.
Compared with prior art, this turnning and milling one machining tool has the following advantages:
1, all relative to the horizontal longitudinal translation of chuck, lathe tool and milling cutter can be made operationally can not to cause mutual interference, thus improve the machining accuracy of prism by carriage arbor and tool holder.
2, by clutch part, turning operation and milling operation are incorporated on same workbench and operationally turning and milling are carried out separately again, make blank to be processed on same lathe and clamped turning and this two procedures of milling by chuck all the time, thus further increasing the machining accuracy of prism.
3, power transmission shaft is rotated by universal joint band movable knife disc, and make in the process of milling, the decrement of universal joint and the offset deviation amount of carriage arbor offset, thus improves the machining accuracy of prism further.
4, the power that cutterhead rotates is provided by the mode of toothed belt transmission by the main shaft driving blank to rotate, in the manufacture process of lathe reality, can design the number of teeth of the number of teeth of active synchronization wheel and driven synchronizing wheel, thus the relative angle speed of rotating between main shaft and cutterhead can be determined easily, and then different prisms can be processed, add the scope of application of this lathe.
Accompanying drawing explanation
Fig. 1 is the structural representation of turnning and milling one machining tool;
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram at B place in Fig. 1;
Fig. 4 is the structure for amplifying schematic diagram at C place in Fig. 1;
Fig. 5 is the structure for amplifying schematic diagram at D place in Fig. 3.
In figure, 1, workbench; 2, the little head of a bed; 3, the large head of a bed; 4, universal joint; 4a, movable part one; 4b, compression unit; 4c, movable part two; 5, motor; 6, milling cutter mechanism; 6a, carriage arbor; 6b, cutterhead; 6b1, connecting portion; 6b2, installation portion; 6b3, connecting hole; 7, main shaft; 7a, chuck; 8, power transmission shaft; 8a, annular shoulder block; 9, electromagnetic clutch; 10, tool holder; 11, pivoting support one; 12, pivoting support two; 13, driven pulley; 14, drive pulley; 15, cross saddle; 15a, base; 15b, saddle; 15c, upper slide rest; 16, drive motors; 17, lathe tool; 18, milling cutter; 19, bearing; 20, positioning sleeve; 20a, convex shoulder; 21, nut; 22, fixed disk; 22a, annular gear edge; 23, stop collar; 24, active synchronization wheel; 25, driven synchronizing wheel; 26, Timing Belt; 27, driving member.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As described in Figure 1, this turnning and milling one machining tool is made up of workbench 1, the little head of a bed 2, the large head of a bed 3, universal joint 4, motor 5, milling cutter mechanism 6, main shaft 7, power transmission shaft 8, clutch part, tool holder 10 etc.
Wherein, in the little head of a bed 2 and the large head of a bed 3, all there is cavity, and the little head of a bed 2, motor 5 and the large head of a bed 3 are all fixed on workbench 1.
Main shaft 7 is horizontally installed on workbench 1 and the motor 5 be fixed on workbench 1 can drive main shaft 7 to rotate.
Specifically, wherein one end of main shaft 7 has the chuck 7a for clamping blank, and this main shaft 7 is axially fixed in the large head of a bed 3 and the large head of a bed 3 is stretched out in one end that this main shaft 7 has chuck 7a.As shown in Figure 1, workbench 1 is also provided with single-revolution supporting 1, one end that main shaft 7 has a chuck 7a to be plugged in pivoting support 1 and to be connected mutually with the inner ring of pivoting support 1, the outer ring of pivoting support 1 is connected mutually by some screws and the large head of a bed 3, thus makes main shaft 7 more stably be axially fixed in the large head of a bed 3 interior (main shaft 7 can more stably be rotated in the large head of a bed 3).
The other end of main shaft 7 also stretches out the large head of a bed 3 and is fixed with driven pulley 13, motor 5 output shaft end is fixed with drive pulley 14, and drive pulley 14 is connected with driven pulley 13 by belt, motor 5 is made to drive main shaft 7 stable rotation by bel-drivenn mode.Nature, motor 5 drives main shaft 7 to rotate by gear-driven mode and is also fine.
As shown in figures 1 and 3, workbench 1 is also provided with a cross saddle 15 and this cross saddle 15 and chuck 7a face.This cross saddle 15 comprises base 15a, saddle 15b and upper slide rest 15c, wherein, base 15a is fixed on workbench 1 by the mode of welding, saddle 15b to be positioned on base 15a and to be connected with base 15a by screw mandrel one, and upper slide rest 15c to be positioned on saddle 15b and to be connected with saddle 15b by screw mandrel two.Screw mandrel one and screw mandrel two are connected with drive motors 16 respectively thus realize the transverse translation of saddle 15b and upper slide rest 15c relative to saddle 15b longitudinal translation.Cross saddle 15 is the product can bought on the market, the cross saddle that mechanical fitting Co., Ltd as prosperous in stored in Quanzhou museum of Fujian-Taiwan relation history produces.
Tool holder 10 and milling cutter mechanism 6 are all arranged on upper slide rest 15c, and operationally, tool holder 10 is provided with some lathe tool 17, and milling cutter mechanism 6 is provided with some milling cutter 18.Wherein, tool holder 10 is the product can bought on the market, as the knife rest of the LD4B-6125 model that loose space numerical control is produced.
As shown in figures 1 and 3, milling cutter mechanism 6 comprises carriage arbor 6a and cutterhead 6b, and wherein, carriage arbor 6a is fixed on upper slide rest 15c by some screws, and cutterhead 6b is axially fixed in carriage arbor 6a.
Specifically, cutterhead 6b comprise the connecting portion 6b1 that is axially connected with carriage arbor 6a and for milling cutter 18 is installed and installation portion 6b2 in the form of annular discs.In the present embodiment, connecting portion 6b1 is tubular and carriage arbor 6a is all stretched out at this connecting portion 6b1 two ends, the end that connecting portion 6b1 is connected with installation portion 6b2 and single-revolution support 2 12 inner rings and are connected mutually, and this pivoting support 2 12 outer ring is connected with carriage arbor 6a by some screws, enables cutterhead 6b stably be arranged on carriage arbor 6a.As shown in Figure 5, the other end of connecting portion 6b1 is arranged with bearing 19 and positioning sleeve 20, wherein, bearing 19 is fixed in carriage arbor 6a, and it is outside that the connecting portion 6b1 other end has also been threaded nut 21 and this nut 21 are positioned at carriage arbor 6a.Positioning sleeve 20 cylindrically and under the effect of nut 21, the two ends of this positioning sleeve 20 offset with nut 21 and bearing 19 respectively.The sidewall that carriage arbor 6a faces with nut 21 is connected with tubular fixed disk 22, has annular gear along 22a inside this fixed disk 22, and outside positioning sleeve 20, upper correspondence is provided with convex shoulder 20a in the form of a ring and this convex shoulder 20a can keep off with annular and offseting inside 22a.By above-mentioned setting, connecting portion 6b1 is more stably axially fixed in carriage arbor 6a.
As depicted in figs. 1 and 2, power transmission shaft 8 is shaft-like and this power transmission shaft 8 is axially fixed in the little head of a bed 2, and in the present embodiment, power transmission shaft 8 and main shaft 7 are parallel to each other.Specifically, power transmission shaft 8 wherein one end is arranged with bearing 19, and the other end of power transmission shaft 8 is also arranged with bearing 19, and two bearings 19 is all fixed in the little head of a bed 2.The little head of a bed 2 is all stretched out at the two ends of power transmission shaft 8, and wherein, power transmission shaft 8 is fixed with stop collar 23 away from one end of chuck 7a and this stop collar 23 is inner offsets with one of them bearing 19, to power transmission shaft 8 move forward carry out spacing; Power transmission shaft 8 other end outer rim has annular shoulder block 8a, and this annular shoulder block 8a inner face and another bearing 19 offset, to power transmission shaft 8 backward movement carry out spacing, and under the effect of two bearings 19, make power transmission shaft 8 stably axial limiting in the little head of a bed 2.
Main shaft 7 drives power transmission shaft 8 to rotate by transmission mechanism, and is provided with the clutch part that control is engaged with each other or is separated between transmission mechanism with main shaft 7.
In the present embodiment, clutch part is an electromagnetic clutch 9, and this electromagnetic clutch 9 is the existing products can bought on the market, as DLK1 series Quick-acting electromagnetic clutch 9 and the mode that this electromagnetic clutch 9 is connected by key be connected with main shaft 7.This electromagnetic clutch 9 is primarily of compositions such as iron core, yoke, armature, coil, interior outside friction disc, connection, spring leafs.Coil is by backbone winding on iron core, and iron core is supported on yoke internal magnetic pole by a single-row radial ball bearing, and lead-out wires of coil connects with control circuit through fixed head, and fixed head does not rotate by means of external support makes iron core fix.Inner attrition piece and the outer pole of yoke are connected by tooth, and the dog of external friction and the groove of connection are connected, and armature is supported on copper sheathing by the spring leaf of a plum blossom-shaped.When producing magnetic flux after coil electricity, the magnetic line of force is through iron core, and in yoke, pole is to armature, iron core is returned through yoke outer magnetic pole again from armature, magnetic flux produces magnetic pull in the air gap of yoke and armature residual gap, thus pressing friction sheet, the transmission of moment is realized by means of the frictional force between interior outside friction disc.After coil blackout, magnetic flux disappears, and by the effect of spring leaf, armature is resetted, interior outside friction disc unclamps each other, thus stops the transmission of moment.
As shown in Figure 1 and Figure 4, transmission mechanism comprises the active synchronization wheel 24 be set on main shaft 7 and the driven synchronizing wheel 25 be connected mutually with power transmission shaft 8.Wherein, active synchronization wheel 24 is connected with the connection on electromagnetic clutch 9 by some screws, and active synchronization wheel 24 is connected with driven synchronizing wheel 25 by Timing Belt 26, thus makes motor 5 power transmission shaft 8 and main shaft 7 can be driven to rotate by Timing Belt 26 simultaneously.Nature, active synchronization wheel 24 to be connected with driven synchronizing wheel 25 by chain and to be also fine.Further optimization, main shaft 7 is also threaded respectively and active synchronization take turns 24 and two nuts that offset of electromagnetic clutch 9 and active synchronization take turns 24 and electromagnetic clutch 9 between two nuts, make electromagnetic clutch 9 and active synchronization wheel 24 is stable is located on main shaft 7.
Power transmission shaft 8 is with movable knife disc 6b to rotate by universal joint 4.Specifically, universal joint 4 comprises compression unit 4b, movable part one 4a and movable part two 4c, and movable part one 4a and movable part two 4c is movably connected on the two ends of compression unit 4b respectively, and power transmission shaft 8 is wherein fixed in movable part one 4a one end.
Further optimization, as shown in Figures 2 and 3, is provided with one in shaft-like driving member 27 between connecting portion 6b1 bis-and cutterhead 6b.The two ends of driving member 27 are connected with universal joint 4 and cutterhead 6b respectively, thus reduce the length of universal joint 4, make universal joint 4 can more stably be with movable knife disc 6b to rotate, and improve the machining accuracy of prism further.
In the present embodiment, driving member 27 is a splined shaft, and this splined shaft is connected with connecting portion two by spline.Nature, wherein, driving member also can be two connecting rods be mutually connected, and one of them connecting rod one end has external splines, has internal spline in connecting portion 6b1 bis-, and connecting rod is connected with connecting portion 6b1 bis-with the engagement of external splines by internal spline.
As described in Figure 3, cutterhead 6b has the connecting hole 6b3 axially run through, the other end of driving member 27 is inserted and secured in connecting hole 6b3, and in the present embodiment, driving member 27 other end is connected by friction tight mode and connecting portion 6b1 phase.Further optimization, driving member 27 is positioned at the length of connecting hole 6b3 and the total length ratio of driving member 27 is greater than 1/2nd, thus the concentrated stress reduced suffered by driving member 27, make in the process of work, driving member 27 can more stably make universal joint 4 compression occur or rotate, universal joint 4 can be rotated by movable knife disc 6b in stabilized zone more, the prism machining accuracy improved further.
The use procedure of this turnning and milling one machining tool is roughly as follows: be first clamped in chuck 7a by blank to be processed, when turning, electromagnetic clutch 9 dead electricity makes active synchronization take turns 24 and is in released state with main shaft 7, make rotate at the effect lower main axis 7 of motor 5 and drive blank to rotate separately, now lathe tool 17 work under the effect of tool holder 10 and by the movement of saddle 15b and upper slide rest 15c, blank is punched, the turning operation such as turning, when needs processing prism face, lathe tool 17 quits work, carriage arbor 6a makes milling cutter 18 move to Working position relative to the horizontal longitudinal translation of chuck 7a, and now tool holder 10 avoids lathe tool 17 on the impact of milling cutter 18 away from blank under the effect of planker, then electromagnetic clutch 9 obtains electric active synchronization wheel 24 and the main shaft 7 of making and is in bonding state, make at transmission mechanism, make motor 5 drive chuck 7a and cutterhead 6b to realize rotating under the effect of universal joint 4 simultaneously, when the milling cutter 18 on cutterhead 6b turns to bland position place, processed part on blank will be carried out milling by milling cutter 18, and milling cutter 18 is when leaving out bland position place, on blank can not be processed part will turn to milling cutter 18, in addition carriage arbor 6a is relative to the horizontal longitudinal translation of chuck 7a, to reach processing object.
When this lathe is at processing six prisms, generally, cutterhead 6b is evenly equipped with three milling cutters 18, cutterhead 6b is when driving milling cutter 18 to rotate, and cutterhead 6b often rotates two circles, and chuck 7a drives blank to rotate a circle; When lathe is when processing octahedral prism, generally, cutterhead 6b is evenly equipped with four milling cutters 18, cutterhead 6b is when driving milling cutter 18 to rotate, and cutterhead 6b often rotates two circles, and chuck 7a drives blank to rotate a circle; When the number in the face on the prism of this lathe process is odd number, generally, cutter number set on cutterhead 6b equals the number of machined surface on prism, and the angular speed that cutterhead 6b drives milling cutter 18 to rotate can equal the angular speed that chuck 7a drives blank to rotate.The ratio of the angular speed that the angular speed that cutterhead 6b rotates drives blank to rotate with chuck 7a, can by designing the active synchronization wheel number of teeth of 24 and the number of teeth of driven synchronizing wheel 25 and reach requirement.
Embodiment two
The present embodiment two with the structure of embodiment one and principle substantially identical, different place is: main shaft 7 is fixed with driving disc spacing pressing, main shaft 7 is also arranged with clutch plate, clutch part comprises the electromagnetic block one be connected on driving disc spacing pressing and the electromagnetic block two be connected on clutch plate, electromagnetic block one and electromagnetic block two position face and the magnetic pole at two ends adjacent on electromagnetic block one and electromagnetic block two is contrary, and active synchronization is taken turns 24/ master gear and is connected with clutch plate.When needs milling operation, electromagnetic block one and electromagnetic block two all electric and produce magnetic force, because the magnetic pole at two ends adjacent on electromagnetic block one and electromagnetic block two is contrary, driving disc spacing pressing is made to drive clutch plate to rotate, thus drive active synchronization to take turns 24/ master gear to rotate, structure is simple, can the advantage of stable delivery moment, thus in the process of milling, cutterhead 6b can stably rotate, and improves the machining accuracy of prism further.
Embodiment three
The present embodiment three with the structure of embodiment one and principle substantially identical, different place is: transmission mechanism comprises the master gear be set on described main shaft 7 and the driven gear be connected mutually with power transmission shaft 8, and master gear one end and clutch part are connected mutually and this master gear is meshed with driven gear.Main shaft 7 drives power transmission shaft 8 to rotate by gear-driven mode, have that structure is simple, the advantage of stable transmission, thus make power transmission shaft 8 can stable rotation, then make universal joint 4 more stabilized zone movable knife disc 6b rotate, improve the machining accuracy of prism further.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. a turnning and milling one machining tool, comprise a workbench (1), described workbench (1) is provided with motor (5), for arranging the tool holder (10) of lathe tool (17), milling cutter mechanism (6) and one end have the main shaft (7) of chuck (7a), described main shaft (7) is laterally located at that described workbench (1) is upper and described motor (5) can drive main shaft (7) to rotate, described milling cutter mechanism (6) comprises a carriage arbor (6a) and the cutterhead (6b) for arranging milling cutter (18), described carriage arbor (6a) and tool holder (10) all can transverse direction or longitudinal translations and both all can be relative with described chuck (7a), described cutterhead (6b) is axially connected with carriage arbor (6a), it is characterized in that, described workbench (1) is upper is also laterally provided with power transmission shaft (8), power transmission shaft (8) described in described main shaft (7) is driven by transmission mechanism rotates simultaneously, and between described transmission mechanism with described main shaft (7), be provided with the clutch part that control is engaged with each other or is separated, cutterhead (6b) described in described power transmission shaft (8) is driven by universal joint (4) rotates.
2. turnning and milling one machining tool according to claim 1, it is characterized in that, be provided with one between described universal joint (4) and described cutterhead (6b) in shaft-like driving member (27), and the two ends of described driving member (27) are connected with described universal joint (4) and cutterhead (6b) respectively.
3. turnning and milling one machining tool according to claim 2, it is characterized in that, described universal joint (4) comprises compression unit (4b), the movable part one (4a) be connected with described power transmission shaft (8) and the movable part two (4c) be connected with driving member (27), described movable part one (4a) and movable part two (4c) are movably connected on described compression unit (4b) two ends respectively, described movable part two (4c) has internal spline, described driving member (27) one end has external splines, and described movable part two (4c) is connected with described driving member (27) with the engagement of external splines by described internal spline.
4. the turnning and milling one machining tool according to Claims 2 or 3, it is characterized in that, described cutterhead (6b) is in tubular and this cutterhead (6b) upper axially running through have connecting hole (6b3), described driving member (27) other end grafting is also fixed in described connecting hole (6b3), and described driving member (27) is positioned at the length of described connecting hole (6b3) and the total length ratio of driving member (27) is greater than 1/2nd.
5. turnning and milling one machining tool according to claim 1, it is characterized in that, described transmission mechanism comprises and is set in active synchronization wheel (24) on described main shaft (7) and the driven synchronizing wheel (25) that is connected mutually with described power transmission shaft (8), and described active synchronization wheel (24) is connected mutually with described clutch part and this active synchronization is taken turns (24) and is connected with described driven synchronizing wheel (25) by Timing Belt (26).
6. turnning and milling one machining tool according to claim 1, it is characterized in that, described transmission mechanism comprises the master gear be set on described main shaft (7) and the driven gear be connected mutually with described power transmission shaft (8), and described master gear is connected mutually with described clutch part and this master gear is meshed with described driven gear.
7. turnning and milling one machining tool according to claim 1, it is characterized in that, described clutch part is an electromagnetic clutch (9), and described electromagnetic clutch (9) is connected mutually with described main shaft (7).
8. turnning and milling one machining tool according to claim 1, it is characterized in that, described main shaft (7) is fixed with driving disc spacing pressing, described main shaft (7) is also arranged with clutch plate, described clutch part comprises the electromagnetic block two being connected to electromagnetic block on driving disc spacing pressing one and being connected on clutch plate, and described electromagnetic block one and electromagnetic block two position face and the magnetic pole at two ends adjacent on electromagnetic block one and electromagnetic block two is contrary.
9. turnning and milling one machining tool according to claim 1, it is characterized in that, described main shaft (7) is fixed with driven pulley (13), described motor (5) output shaft end is fixed with drive pulley (14), and described drive pulley (14) is connected with described driven pulley (13) by belt.
10. turnning and milling one machining tool according to claim 1, it is characterized in that, described workbench (1) is provided with one can the saddle (15b) of transverse translation, described saddle (15b) is provided with can relative to the upper slide rest (15c) of described saddle (15b) longitudinal translation, and described tool holder (10) and carriage arbor (6a) are all located on described upper slide rest (15c).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410609708.7A CN104339168A (en) | 2014-11-03 | 2014-11-03 | Milling-turning integrated processing lathe |
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| CN201410609708.7A CN104339168A (en) | 2014-11-03 | 2014-11-03 | Milling-turning integrated processing lathe |
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| CN115555622A (en) * | 2022-12-02 | 2023-01-03 | 南通中南智能科技有限公司 | Double-spindle numerical control planer type milling machine capable of saving tool changing time |
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Application publication date: 20150211 |