Complex milling machine tool
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of lathe, particularly a kind of complex milling machine tool.
Background technology
In traditional production technology, carry out car to same parts, milling two steps need to process on two lathes, need twice clamping, machining accuracy is not high, and efficiency is also lower.
For this problem, Chinese utility model patent (application number: 201320675220.5; Authorization Notice No.: CN 203509563 U) disclose a kind of numerically-controlled milking composite machine tool, comprise for the main Milling Process unit of brake disc castings dead head Milling Process and the secondary turnery processing unit for brake disc castings circle end face endoporus turnery processing, the lathe bed of main Milling Process unit and secondary turnery processing unit links into an integrated entity.Main Milling Process unit is vertical knee-type milling machine, comprise main lathe bed, first column, first horizontal sliding table, first slide plate and power milling head assembly, first horizontal sliding table is located on the first rolling linear guide that main lathe bed is arranged, the motor that main lathe bed is arranged is connected with the first horizontal sliding table by ball-screw transmission mechanism, first column is located on the first horizontal sliding table, first slide plate is vertically located at the second rolling linear guide that the first column is arranged, the motor that first column is arranged is connected with the first slide plate by ball-screw transmission mechanism, power milling head assembly is located on the first slide plate, main lathe bed is also provided with chuck.Secondary turnery processing unit is vertical lathe, comprise secondary lathe bed, second column, second horizontal sliding table and the second slide plate, second horizontal sliding table is located on the 3rd rolling linear guide that secondary lathe bed is arranged, the motor that secondary lathe bed is arranged is connected with the second horizontal sliding table by ball-screw transmission mechanism, second column is located on the second horizontal sliding table, second slide plate is vertically located at the 4th rolling linear guide that the second column is arranged, the motor that second column is arranged is connected with the second slide plate by ball-screw transmission mechanism, second slide plate is provided with turning tool rest or numerical control transposition cutter tower, secondary lathe bed is connected with main lathe bed.
But in this lathe, main Milling Process unit and secondary turnery processing unit are positioned on two different guide rails, and the coordinate residing for two machining cells is different, easily there is error when processing same parts, cause processing inaccuracy.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the comparatively accurate complex milling machine tool of a kind of processing.
The purpose of this utility model realizes by following technical proposal:
A kind of complex milling machine tool, comprise frame, it is characterized in that, described frame is fixed with main shaft and horizontally disposed slide rail one, described slide rail one is provided with sliding bottom one, described sliding bottom one is fixed with slide rail two and slide rail two is vertical with slide rail one, described slide rail two is provided with sliding bottom two, described sliding bottom two is fixed with lathe tool installing rack and milling cutter installing rack, described frame is provided with for driving sliding bottom one along the driving mechanism one of slide rail one direction movement, described sliding bottom one is provided with for driving sliding bottom two along the driving mechanism two of slide rail two movement.
During work, workpiece is fixed on main shaft, drives lathe tool installing rack and milling cutter installing rack to move by control driving mechanism one and driving mechanism two, thus workpiece is processed.
In this lathe, because lathe tool installing rack and milling cutter installing rack are fixed on same sliding bottom two, in parts machining process, the coordinate residing for turnning and milling two operations is identical, improves the precision of parts machining.
In above-mentioned complex milling machine tool, described driving mechanism one comprises and being located in frame and the screw mandrel one parallel with slide rail one, frame being fixed with the motor one for driving screw mandrel one to rotate, described sliding bottom one being fixed with the screw one matched with screw mandrel one.Under the drive of motor one, sliding bottom one stroke as required moves.Be connected by gear train or Timing Belt between motor one with screw mandrel one.
As the another kind of scheme of driving mechanism one, in above-mentioned complex milling machine tool, described driving mechanism one comprises and being fixed in frame and the tooth bar one parallel with slide rail one, described sliding bottom one is fixed with motor six, the main shaft of described motor six is coaxially fixed with gear one, and described gear one is meshed with tooth bar one.
In above-mentioned complex milling machine tool, described driving mechanism two comprises and is located at screw mandrel two on sliding bottom one and parallel with slide rail two, described sliding bottom one being fixed with the motor two for driving screw mandrel two to rotate, described sliding bottom two being fixed with the screw two matched with screw mandrel two.Under the drive of motor two, sliding bottom two stroke as required moves.Be connected by gear train or Timing Belt between motor two with screw mandrel two.
As the another kind of scheme of driving mechanism two, in above-mentioned complex milling machine tool, described driving mechanism two comprises and is fixed on tooth bar two on sliding bottom one and parallel with slide rail two, described sliding bottom two is fixed with motor seven, the main shaft of described motor seven is coaxially fixed with gear two, and described gear two is meshed with tooth bar two.
In above-mentioned complex milling machine tool, described milling cutter installing rack is fixed with vertical slide rail three, described slide rail three is provided with the sliding bottom three for installing milling cutter, and described milling cutter installing rack is provided with for driving sliding bottom three along the driving mechanism three of slide rail three movement.Vertical slide rail three is set, milling cutter can be moved at vertical direction, improve the flexibility of this machine tooling.
In above-mentioned complex milling machine tool, described driving mechanism three comprises and is located at screw mandrel three on milling cutter installing rack and parallel with slide rail three, described milling cutter installing rack being fixed with the motor three for driving screw mandrel three to rotate, described sliding bottom three being fixed with the screw three matched with screw mandrel three.Under the drive of motor three, sliding bottom three stroke as required moves.Be connected by gear train or Timing Belt between motor three with screw mandrel three.
As the another kind of scheme of driving mechanism three, in above-mentioned complex milling machine tool, described driving mechanism three comprises and is fixed on tooth bar three on milling cutter installing rack and parallel with slide rail three, described sliding bottom three is fixed with motor eight, the main shaft of described motor eight is coaxially fixed with gear three, and described gear three is meshed with tooth bar three.
In above-mentioned complex milling machine tool, described sliding bottom three is provided with several all parallel with machine tool chief axis power milling heads one, described sliding bottom three is also provided with the power milling head two that several are all vertical with machine tool chief axis, described sliding bottom three is provided with the driving mechanism four for driving power milling head one to rotate and the driving mechanism five for driving power milling head two to rotate.Power milling head one is set and power milling head two is perpendicular, facilitates the different angles of this lathe to workpiece to process.
In above-mentioned complex milling machine tool, described driving mechanism four comprises the motor four be fixed on sliding bottom three, and described motor four is connected by Timing Belt with between power milling head one.When the quantity of power milling head one has multiple, be also by Timing Belt, these power milling heads one are connected with motor four, like this, just multiple power milling head one can be driven to rotate with a motor four, make this machine tool structure compact, low cost of manufacture.
As the another kind of scheme of driving mechanism four, in above-mentioned complex milling machine tool, described driving mechanism four comprises the motor four be fixed on sliding bottom three, and described motor four is connected by gear train one with between power milling head one.
In above-mentioned complex milling machine tool, described driving mechanism five comprises the motor five be fixed on sliding bottom three, and described motor five is connected by Timing Belt with between power milling head two.When the quantity of power milling head two has multiple, be also by Timing Belt, these power milling heads two are connected with motor five, like this, just multiple power milling head two can be driven to rotate with a motor five, make this machine tool structure compact, low cost of manufacture.
As the another kind of scheme of driving mechanism five, in above-mentioned complex milling machine tool, described driving mechanism four comprises the motor five be fixed on sliding bottom three, and described motor five is connected by gear train two with between power milling head two.
In above-mentioned complex milling machine tool, described sliding bottom two offers the groove of strip, be provided with bolt assembly in described groove, described milling cutter installing rack is fixed on sliding bottom two by the cooperation of bolt assembly and groove.Groove is set, makes the position adjustments of milling cutter installing rack wider, make the adaptability of this lathe higher.
In above-mentioned complex milling machine tool, described sliding bottom two offers the groove of strip, be provided with bolt assembly in described groove, described lathe tool installing rack is fixed on sliding bottom two by the cooperation of bolt assembly and groove.
In above-mentioned complex milling machine tool, described groove offer direction and main shaft is perpendicular.
Compared with prior art, this complex milling machine tool has the following advantages:
1, lathe tool installing rack and milling cutter installing rack are fixed on same sliding bottom two, improve machining accuracy;
2, slide rail one and slide rail 2 are set, lathe tool installing rack and milling cutter installing rack can be moved freely in the horizontal plane, improve the flexibility of this machine tooling;
3, slide rail 3 is set, power milling head can be moved at vertical direction, improve the flexibility of this machine tooling.
Accompanying drawing explanation
Fig. 1 is the stereogram of this lathe;
Fig. 2 is the stereogram at milling cutter installing rack place in this lathe.
In figure, 1, frame; 2, main shaft; 3, slide rail one; 4, sliding bottom one; 5, slide rail two; 6, sliding bottom two; 6a, groove; 7, lathe tool installing rack; 8, milling cutter installing rack; 9, screw mandrel one; 10, motor one; 11, screw one; 12, screw mandrel two; 13, motor two; 14, screw two; 15, slide rail three; 16, sliding bottom three; 17, screw mandrel three; 18, motor three; 19, screw three; 20, power milling head one; 21, power milling head two; 22, motor four; 23, motor five.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this complex milling machine tool comprises horizontal frame 1.The upper left side of frame 1 is fixed with for holding workpiece and the main shaft 2 that workpiece is rotated, and certainly, when carrying out Milling Machining to workpiece, main shaft 2 fixation workpiece is motionless, and power milling head rotates.
Frame 1 is fixed with the slide rail 1 with main shaft 2 axis being parallel, the quantity of slide rail 1 is two and two slide rails 1 parallel.Sliding bottom 1 is located on two slide rails 1 in a matching fashion, and sliding bottom 1 coordinates with slide rail 1 the movement forming lathe tool and milling cutter left and right directions.
At sliding bottom 1 end face, two slide rails paralleled 25 are fixed on sliding bottom 1, and slide rail 25 is vertical with slide rail 1.Slide rail 25 is provided with sliding bottom 26, sliding bottom 26 is fixed with lathe tool installing rack 7 and milling cutter installing rack 8, frame 1 is provided with for driving sliding bottom 1 along the driving mechanism one of slide rail 1 direction movement, and sliding bottom 1 is provided with for driving sliding bottom 26 along the driving mechanism two of slide rail 25 movement.Sliding bottom 26 coordinates with slide rail 25 the movement forming lathe tool and milling cutter fore-and-aft direction.
Sliding bottom 26 offers the groove 6a of strip, be provided with bolt assembly in groove, lathe tool installing rack 7 and milling cutter installing rack 8 are fixed on sliding bottom 26 by the cooperation of bolt assembly and groove 6a.
Driving mechanism one comprises axis and is connected in screw mandrel 1 in frame 1 and parallel with slide rail 1, and concrete mode is, frame is provided with two bearings, and the two ends of screw mandrel 1 are located in two bearings.Frame 1 is fixed with the motor 1 for driving screw mandrel 1 to rotate.Main shaft and the screw mandrel 1 of motor 1 coaxially fix.Sliding bottom 1 is fixed with the screw 1 matched with screw mandrel 1.As the another kind of scheme of driving mechanism one, driving mechanism one comprises and is fixed on tooth bar one in frame 1 and parallel with slide rail 1, and sliding bottom 1 is fixed with motor six, the main shaft of motor six is coaxially fixed with gear one, gear one is meshed with tooth bar one.
Driving mechanism two comprises and is located at screw mandrel 2 12 on sliding bottom 1 and parallel with slide rail 25, sliding bottom 1 being fixed with the motor 2 13 for driving screw mandrel 2 12 to rotate, sliding bottom 26 being fixed with the screw 2 14 matched with screw mandrel 2 12.As the another kind of scheme of driving mechanism two, driving mechanism two comprises and is fixed on tooth bar two on sliding bottom 1 and parallel with slide rail 25, sliding bottom 26 is fixed with motor seven, the main shaft of motor seven is coaxially fixed with gear two, gear two is meshed with tooth bar two.
As shown in Figure 2, milling cutter installing rack 8 is fixed with vertical slide rail 3 15, slide rail 3 15 is provided with the sliding bottom 3 16 for installing milling cutter, and milling cutter installing rack 8 is provided with for driving sliding bottom 3 16 along the driving mechanism three of slide rail 3 15 movement.Move up and down at the cooperation formation milling cutter of slide rail 3 15 and sliding bottom 3 16.
Driving mechanism three comprises and is located at screw mandrel 3 17 on milling cutter installing rack 8 and parallel with slide rail 3 15, milling cutter installing rack 8 is fixed with the motor 3 18 for driving screw mandrel 3 17 to rotate.In order to make the mechanism of this lathe more compact, it is parallel with screw mandrel 3 17 that motor 3 18 is set to its main shaft, by gear and toothed belt transmission between motor 3 18 and screw mandrel 3 17.Concrete, the main shaft of motor 3 18 is coaxially fixed with gear, and the upper end of screw mandrel 3 17 is coaxially fixed with gear, is linked together between these two gears by Timing Belt.
Sliding bottom 3 16 is fixed with the screw 3 19 matched with screw mandrel 3 17.Under the drive of motor 3 18, sliding bottom 3 16 stroke as required moves.Be connected by gear train or Timing Belt between motor 3 18 with screw mandrel 3 17.As the another kind of scheme of driving mechanism three, driving mechanism three comprises and is fixed on tooth bar three on milling cutter installing rack 8 and parallel with slide rail 3 15, sliding bottom 3 16 is fixed with motor eight, the main shaft of motor eight is coaxially fixed with gear three, gear three is meshed with tooth bar three.
Sliding bottom 3 16 is provided with two all parallel with machine tool chief axis 2 power milling heads 1.And these two power milling heads 1 are in same level and end is concordant.Sliding bottom 3 16 is also provided with three all vertical with machine tool chief axis 2 power milling heads 2 21, and these three power milling heads 2 21 are positioned at same perpendicular, and the end of its three is mutually concordant.
Sliding bottom 3 16 is provided with the driving mechanism four for driving power milling head 1 to rotate and the driving mechanism five for driving power milling head 2 21 to rotate.
Driving mechanism four comprises the motor 4 22 be fixed on sliding bottom 3 16, is connected between motor 4 22 with power milling head 1 by Timing Belt.When the quantity of power milling head 1 has multiple, be also by Timing Belt, these power milling heads 1 are connected with motor 4 22, like this, just multiple power milling head 1 can be driven to rotate with a motor 4 22, make this machine tool structure compact, low cost of manufacture.As the another kind of scheme of driving mechanism four, driving mechanism four comprises the motor 4 22 be fixed on sliding bottom 3 16, is connected between motor 4 22 with power milling head 1 by gear train one.
Driving mechanism five comprises the motor 5 23 be fixed on sliding bottom 3 16, is connected between motor 5 23 with power milling head 2 21 by Timing Belt.When the quantity of power milling head 2 21 has multiple, be also by Timing Belt, these power milling heads 2 21 are connected with motor 5 23, like this, just multiple power milling head 2 21 can be driven to rotate with a motor 5 23, make this machine tool structure compact, low cost of manufacture.As the another kind of scheme of driving mechanism five, driving mechanism four comprises the motor 5 23 be fixed on sliding bottom 3 16, is connected between motor 5 23 with power milling head 2 21 by gear train two.
Now the course of work of this lathe is described below:
During work, workpiece is fixed on main shaft 2.Driving mechanism one and driving mechanism two drive lathe tool installing rack 7 and milling cutter installing rack 8 to move in the horizontal direction, thus carry out the processing of car or milling to workpiece.Driving mechanism three drives sliding bottom 3 16 to move up and down, thus carries out Milling Machining to workpiece.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as frame 1, main shaft 2, slide rail 1, sliding bottom 1, slide rail 25, sliding bottom 26, lathe tool installing rack 7, milling cutter installing rack 8, screw mandrel 1, motor 1, screw 1, screw mandrel 2 12, motor 2 13, screw 2 14, slide rail 3 15, sliding bottom 3 16, screw mandrel 3 17, motor 3 18, screw 3 19, power milling head 1, power milling head 2 21, motor 4 22, motor 5 23 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.