Numerically controlled lathe
Technical field
The utility model is related to hardware process equipment, and in particular to a kind of Digit Control Machine Tool.
Background technology
Traditional Digit Control Machine Tool, its processing department is typically provided only with a workseat and a mold base, can only once process
One the one of workpiece, for the workpiece for needing two machine-shaping, can only be after processing one, the mould exchanged on mold base
Tool carries out the processing of other end, or workpiece is gone to processing on another machine, it is impossible to accomplish with a machine to same workpiece
Two be processed, therefore, the Digit Control Machine Tool of this kind of structure is less efficient.
Utility model content
The purpose of this utility model is to provide a kind of Digit Control Machine Tool that can be processed to two of workpiece.
The technical solution of the utility model is:
A kind of numerically controlled lathe, including a support, support top are provided with a lathe bed;Lathe bed top is provided with a fixed cutter
Portion and two workpiece portions of activity;Two workpiece portion structures are identical and symmetrically are located at the cutter part left and right sides;Two works
Part portion can drive workpiece to be moved relative to cutter part cross, and two of workpiece is processed respectively by the cutter in cutter part.
Further, cutter part is used to install the fixed mount of cutter including the base of tool, connecting plate and at least one;
The base of tool is fixedly installed in the top surface of lathe bed, and connecting plate is fixedly installed in the top surface of the base of tool, and fixed mount row be located at
The top surface of connecting plate, can install different cutters on each fixed mount.
Further, workpiece portion includes the main shaft for fixing workpiece, and main shaft is rotationally horizontally set on a main spindle box,
Main spindle box is fixedly installed in the top surface of first slide, and first slide is slidably connected to set by second slide top surface by the chute of bottom
On first slide guide rail of front and rear trend, the left and right that second slide is slidably connected to set by lathe bed top surface by the chute set by bottom is moved towards
The second slide guide rail on;
Main shaft driven by a rotating mechanism and in main spindle box forward and reverse rotation, so as to drive the work being installed on the inside of main shaft
Part is rotated, and the workpiece of rotation is processed by the cutter installed in cutter part;
First slide is driven and along the first slide guide rail front-rear reciprocation movement by the first displacement mechanism, with drive main shaft relative to
Cutter part front-rear reciprocation movement;
Second slide is driven and along the second slide guide rail bilateral reciprocation by second displacement mechanism, with drive main shaft relative to
Cutter part bilateral reciprocation.
Further, the main shaft axiality in two workpiece portions is high and rotating speed is consistent, so as to can enter Mobile state pair between two main shafts
Connect, workpiece is transferred to the main shaft of opposite side from the main shaft of side, so as to the two to workpiece is processed.
Further, rotating mechanism includes the first sprocket wheel, the second sprocket wheel, driving-chain and the first motor;
On main shaft, on the output shaft of the first motor, driving-chain connects the first sprocket wheel to the second sprocket wheel to first sprocket wheel
With the second sprocket wheel, the first motor is installed on main spindle box;
First motor passes through the first sprocket wheel, the second sprocket wheel and driving-chain drive shaft forward and reverse rotation, so as to drive fixation
Rotated in the workpiece on main shaft, the workpiece of rotation is processed by the cutter in cutter part.
Further, the first displacement mechanism includes the first ball screw, the first screw mandrel block set and the second motor;
First ball screw is by being moved towards before and after two fulcrum bearings located at the top surface of second slide, its one end and the second motor
Output shaft be fixedly connected, its shaft mutually spins with the first screw mandrel block set, and the first screw mandrel block set is fixedly connected on first slide;
Second motor drives first slide along past before and after the first slide guide rail by the first ball-screw and the first screw mandrel block set
Multiple motion, so as to drive main shaft in first slide relative to cutter part front-rear reciprocation movement.
Further, second displacement mechanism includes the second ball screw, the second screw mandrel block set and the 3rd motor;
Second ball screw move towards ground and is located in the groove set by lathe bed top surface by two fulcrum bearings or so, its one end and the
The output shaft connection of three motors, its shaft mutually spins with the second screw mandrel block set, and the second screw mandrel block set is fixedly connected on second slide;
3rd motor drives second slide bilateral reciprocation by the second ball-screw and the second screw mandrel block set, so as to drive
The dynamic first slide in second slide and the main shaft in first slide are relative to cutter part side-to-side movement.
The utility model is clamped and sent in the workpiece portion that is respectively provided on two sides with of cutter part, workpiece by the workpiece portion of side
To cutter part corresponding side be processed after, the workpiece portion of opposite side is handover to, by the workpiece portion of opposite side by the another of workpiece
One respective side for being transferred to cutter part is processed, so as to complete two processing of workpiece, whole process is automatically performed, from
And processing efficiency is improve, reduce production cost.The utility model is particularly suited for the shorter workpiece of length.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the utility model embodiment
Fig. 2 is the cutter part structural representation of the utility model embodiment
Fig. 3 is a certain angular views of the workpiece portion structure of the utility model embodiment
Fig. 4 is another angular views of the workpiece portion structure of the utility model embodiment
Specific embodiment
The utility model is illustrated with specific embodiment below in conjunction with the accompanying drawings.
Reference picture 1-4:
A kind of numerically controlled lathe, including a support 1, the top of support 1 are provided with a lathe bed 2;The top of lathe bed 2 be provided with one it is fixed
Cutter part 3 and two workpiece portions 4 of activity;Two structures of workpiece portion 4 are identical and symmetrically are located at cutter part 3 or so two
Side;Two workpiece portions 4 can drive workpiece to be moved relative to the cross of cutter part 3, by the cutter in cutter part 3 respectively to the two of workpiece
Head is processed.
Cutter part 3 includes that base of tool 3-1, connecting plate 3-2 and at least one are used to install the fixed mount 3-3 of cutter;
Base of tool 3-1 is fixedly installed in the top surface of lathe bed 2, and connecting plate 3-2 is fixedly installed in the top surface of base of tool 3-1, Gu
Frame 3-3 rows are determined located at the top surface of connecting plate 3-2, and different cutters can be installed on each fixed mount 3-3.
Workpiece portion 4 includes that the main shaft 4-1 for fixing workpiece, main shaft 4-1 are rotationally horizontally set at a main spindle box 4-2
On, main spindle box 4-2 is fixedly installed in the top surface of first slide 4-3, and first slide 4-3 is slidably connected to the second cunning by the chute of bottom
On first slide guide rail 4-5 of the front and rear trend set by seat 4-4 top surfaces, second slide 4-4 is slidably connected to by the chute set by bottom
On second slide guide rail 4-6 of the left and right trend set by the top surface of lathe bed 2;
Main shaft 4-1 driven by a rotating mechanism and in main spindle box 4-2 forward and reverse rotation, so as to drive be installed on main shaft 4-
The workpiece of 1 inner side is rotated, and the workpiece of rotation is processed by the cutter installed in cutter part 3;
First slide 4-3 is driven and along the first slide guide rail 4-5 front-rear reciprocation movements by the first displacement mechanism, to drive main shaft
4-1 is relative to the front-rear reciprocation movement of cutter part 3;
Second slide 4-4 is driven and along the second slide guide rail 4-6 bilateral reciprocations by second displacement mechanism, to drive main shaft
4-1 is relative to the bilateral reciprocation of cutter part 3.
Main shaft 4-1 axialities in two workpiece portions 4 are high and rotating speed is consistent, so as to can enter Mobile state pair between two main shaft 4-1
Connect, workpiece is transferred to the main shaft 4-1 of opposite side from the main shaft 4-1 of side, so as to the two to workpiece is processed.
Rotating mechanism includes the first sprocket wheel 4-7, the second sprocket wheel 4-8, driving-chain 4-9 and the first motor 4-10;
On main shaft 4-1, the second sprocket wheel 4-8 is located on the output shaft of the first motor 4-10 first sprocket wheel 4-7, driving-chain
4-9 connects the first sprocket wheel 4-7 and the second sprocket wheel 4-8, the first motor 4-10 are installed on main spindle box 4-2;
First motor 4-10 passes through the first sprocket wheel 4-7, the second sprocket wheel 4-8 and the driving-chain 4-9 drive shafts forward and reverse rotations of 4-1
Turn, so as to drive the workpiece being fixed on main shaft 4-1 to rotate, the workpiece of rotation is processed by the cutter in cutter part 3.
First displacement mechanism includes the first ball screw 4-11, the first screw mandrel block set 4-12 and the second motor 4-13;
First ball screw 4-11 is located at the top surface of second slide 4-4 by move towards ground before and after two fulcrum bearings, its one end and
The output shaft of the second motor 4-13 is fixedly connected, and its shaft spins with the first screw mandrel block set 4-12 phases, the first screw mandrel block set 4-12
It is fixedly connected on first slide 4-3;
Second motor 4-13 drives first slide 4-3 along the by the first ball-screw 4-11 and the first screw mandrel block set 4-12
One slide guide rail 4-5 front-rear reciprocation movements, so as to drive the main shaft 4-1 on first slide 4-3 past relative to before and after cutter part 3
Multiple motion.
Second displacement mechanism includes the second ball screw 4-14, the second screw mandrel block set 4-15 and the 3rd motor 4-16;
Second ball screw 4-14 is located in the groove 2-1 set by the top surface of lathe bed 2 with moving towards by two fulcrum bearings or so, its
One end is connected with the output shaft of the 3rd motor 4-16, and its shaft spins with the second screw mandrel block set 4-15 phases, the second screw mandrel block set 4-
15 are fixedly connected on second slide 4-4;
3rd motor 4-16 drives second slide 4-4 or so by the second ball-screw 4-14 and the second screw mandrel block set 4-15
Move back and forth, so as to drive the first slide 4-3 on the second slide 4-4 and main shaft 4- on first slide 4-3
1 relative to the side-to-side movement of cutter part 3.