CN212683149U - Horizontal five-axis flap machining center with Z-axis movement of workbench - Google Patents
Horizontal five-axis flap machining center with Z-axis movement of workbench Download PDFInfo
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- CN212683149U CN212683149U CN202020952994.8U CN202020952994U CN212683149U CN 212683149 U CN212683149 U CN 212683149U CN 202020952994 U CN202020952994 U CN 202020952994U CN 212683149 U CN212683149 U CN 212683149U
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Abstract
The utility model provides a horizontal five-axis of workstation Z axle motion turns over board machining center, include: the rotary double-workbench exchange device, the Z-axis lathe bed, the sliding seat and the processing assembly; the rotary double-workbench exchange device drives the workbench to turn, is in butt joint with the sliding seat and moves the workbench to the sliding seat; the sliding seat drives the workbench to do Z-axis horizontal linear motion on the Z-axis lathe bed; the machining assembly machines the workpiece on the workbench; the utility model discloses an exchange mechanism drives the exchange slip table and carries out 360 rotations, and the actuating mechanism drive is waited to process the workstation and has been processed the alternative action of workstation on processing district and exchange slip table, has realized going on simultaneously with loading and unloading to the processing of work piece on the workstation, has improved production efficiency.
Description
Technical Field
The utility model relates to a lathe field especially relates to a horizontal five-axis of workstation Z axle motion turns over board machining center.
Background
Aiming at the development of the aviation industry in China, a large number of plate cavity parts need to be machined, in order to improve machining efficiency and precision, a machining center in the prior art mostly adopts a mode of vertically clamping a workpiece on a workbench to machine the workpiece, and workpiece loading and unloading are carried out when the workpiece stops machining and the workbench is horizontal, so that the simultaneous machining and loading and unloading of the workpiece cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a horizontal five-axis of workstation Z axle motion turns over board machining center to overcome above-mentioned technical problem.
The utility model provides a horizontal five-axis of workstation Z axle motion turns over board machining center, include: the rotary double-workbench exchange device, the Z-axis lathe bed, the sliding seat and the processing assembly; the rotary double-workbench exchange device drives the workbench to turn, is in butt joint with the sliding seat and moves the workbench to the sliding seat; the sliding seat drives the workbench to do Z-axis horizontal linear motion on the Z-axis lathe bed; the machining assembly machines the workpiece on the workbench.
Further, the processing assembly includes: the X-axis lathe bed, a sliding saddle, a ram, a main shaft head assembly and a tool magazine;
the spindle head assembly includes: a rotating shaft, a swinging shaft and a main shaft; the rotating shaft is connected with the ram, the rotating shaft drives the swinging shaft to move as a B axis, and the swinging shaft drives the main shaft to move as an A axis;
the sliding saddle drives the ram to do X-axis horizontal linear motion on the X-axis bed body; the ram drives the main shaft head assembly to do vertical linear motion of a Y axis vertical to the X axis on the saddle;
the tool magazine used for tool changing of the spindle and the sliding seat are located on the same side of the machining assembly.
Further, the rotary type double-workbench exchanging device comprises: the device comprises an exchange mechanism for driving a workbench to rotate, a driving mechanism for driving the exchange mechanism to rotate, and a supporting mechanism for supporting the exchange mechanism;
the exchange mechanism includes: an exchange slide table and a linear feeding mechanism; the exchange sliding table is provided with a first working table fixing surface and a second working table fixing surface for fixing the working tables; the first workbench fixing surface and the second workbench fixing surface are fixed with a workbench; one end of the exchange sliding table is connected with the driving mechanism, the driving mechanism is arranged on the supporting mechanism, and the other end of the exchange sliding table is rotationally connected with the supporting mechanism; a third workbench fixing surface for fixing the workbench is arranged on the sliding seat; the first workbench fixing surface, the second workbench fixing surface and the third workbench fixing surface are provided with linear feeding mechanisms which enable the workbench, the exchange sliding table and the sliding seat to generate relative motion;
the drive mechanism includes: the device comprises a driving gear, a driven gear, a driving motor and a position detection device, wherein the driving gear and the driven gear are meshed with each other; the driving gear is fixedly connected with the supporting mechanism; the driven gears are rotationally connected with the supporting mechanism and fixedly connected with one end of the exchange sliding table; the position detection device is arranged on the driven gear and the supporting mechanism.
Furthermore, the other end of the exchange sliding table is rotationally connected with a centering shaft, the centering shaft is fixedly connected with the supporting mechanism,
the support mechanism includes: the base, a driving bracket used for fixing the driving mechanism and a driven bracket used for fixing the centering shaft;
the driving bracket and the driven bracket are respectively fixed at opposite ends of the base.
Furthermore, an anti-overturning roller is arranged along one side of the first workbench fixing surface and the second workbench fixing surface, and a first guide wheel is arranged along the other side; a second guide wheel is arranged on the fixed surface of the third workbench;
the overturn preventing rollers are clamped with the grooves on the workbench, and the rotation axes of the overturn preventing rollers are vertical to the central axes of the grooves; the guide idler wheel on the workbench is clamped with the first guide wheel and the second guide wheel, and the rotation axis of the guide idler wheel is vertical to the central axis of the first guide wheel and the central axis of the second guide wheel; the movement direction of the workbench is perpendicular to the rotation axis of the overturn-preventing roller.
Further, the position detection device is an angle encoder, and the angle encoder is arranged on the driven gear.
Furthermore, the position detection device comprises a vertical positioning switch for detecting the vertical state of the workbench fixing surface of the exchange sliding table and a horizontal positioning switch for detecting the horizontal state of the workbench fixing surface of the exchange sliding table; the vertical positioning switch and the horizontal positioning switch are both arranged on the driven bracket.
Further, still include: the horizontal positioning pin, the first workbench positioning pin, two horizontal positioning sleeves arranged on the exchange sliding table and the second workbench positioning pin arranged on the third workbench fixing surface;
the horizontal positioning pin is arranged on the driving support, and when the exchange sliding table is in a horizontal position, the horizontal positioning pin extends out of the driving support and is inserted into the horizontal positioning sleeve; the first workbench locating pin is arranged on the exchange sliding table.
Further, the linear feed mechanism includes: a cylinder and a transmission;
the first pivot of cylinder drive and the butt joint of the second pivot in processing district, the motor drive in processing district transmission is rotatory, transmission drives the workstation motion makes the workstation with exchange slip table with relative motion is to the slide.
Further, still include: the workbench is prevented from falling off a limiting block, a vacuum chuck and an anti-collision block of the exchange sliding table when rotating;
the limiting block is fixed on the fixed surface of the workbench and is positioned at the same side as the first guide wheel; the vacuum sucker and the anti-collision block are fixedly connected with one end, close to the driven gear, of the exchange sliding table.
The utility model discloses an adopt exchange mechanism to drive the exchange slip table and carry out 360 rotations, fixed the alternative action of treating machining workbench and processed workstation on processing district and exchange slip table respectively on actuating mechanism drive first workstation stationary plane and the second workstation stationary plane, realized going on simultaneously with the loading and unloading to the processing of work piece on the workstation, improved production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of a horizontal five-axis flap machining center for Z-axis movement of a worktable according to an embodiment of the present invention;
FIG. 2 is another view of the horizontal five-axis flap machining center for Z-axis movement of the worktable according to the embodiment of the present invention;
FIG. 3 is an oblique side view of a spindle head assembly and ram according to an embodiment of the present invention;
FIG. 4 is an elevation view of a spindle head assembly and ram according to an embodiment of the present invention;
fig. 5 is a schematic overall structure diagram of a rotary double-workbench exchanging device according to an embodiment of the present invention;
fig. 6 is a schematic view of the exchange slide table and the workbench according to the embodiment of the present invention in a vertical state;
fig. 7 is a side view of a rotary double-table exchange device according to an embodiment of the present invention on a driven support side;
fig. 8 is a side view of a rotary double-table exchange device according to an embodiment of the present invention on the side of a driving frame;
fig. 9 is a front view of a rotary double table exchange device according to an embodiment of the present invention;
fig. 10 is a top view of a rotary double-table exchange device according to an embodiment of the present invention;
FIG. 11 is an enlarged view of A in FIG. 7;
FIG. 12 is an enlarged view of B in FIG. 6;
FIG. 13 is an enlarged view of C in FIG. 7;
fig. 14 is an enlarged view of D in fig. 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, it is a schematic view of the overall structure of a horizontal five-axis flap machining center for Z-axis movement of a worktable according to an embodiment of the present invention; the method comprises the following steps: the method comprises the following steps: the rotary double-workbench exchanging device 1, the Z-axis lathe bed 7, the sliding seat 4 and the processing assembly; the rotary double-workbench exchanging device 1 drives the workbench 1-4 to turn over, the double-workbench exchanging device 1 is in butt joint with the sliding seat 4, and the workbench 1-4 is moved onto the sliding seat 4; the sliding seat 4 drives the working tables 1-4 to do Z-axis horizontal linear motion on the Z-axis lathe bed 7; the machining assembly machines the workpiece on the working table 1-4.
Further, the processing assembly includes: an X-axis bed 12, a saddle 15, a ram 19, a spindle head assembly 20, and a tool magazine 11; the spindle head assembly 20 includes: a rotating shaft 20-1, a swinging shaft 20-2 and a main shaft 20-3; the rotating shaft 20-1 is connected with the ram 19, the rotating shaft 20-1 drives the swinging shaft 20-2 to do B-axis motion, and the swinging shaft 20-2 drives the main shaft 20-3 to do A-axis motion; as shown in fig. 3 and 4, the rotation axis of the rotation shaft 20-1 is perpendicular to the Z-axis movement direction of the slide carriage 4, and the spindle 20-3 can complete the rotation movement of ± 45 ° on the a-axis and ± 45 ° on the B-axis.
The sliding saddle 15 drives the ram 19 to do X-axis horizontal linear motion on the X-axis bed body 12; the ram 19 drives the main spindle head assembly 20 to make a Y-axis vertical linear motion perpendicular to the X-axis on the saddle 15; the tool magazine 11 for changing the tool of the spindle 20-3 and the slide 4 are positioned on the same side of the machining assembly; the tool magazine 11 for changing the tool of the spindle 20-3 and the slide 4 are positioned on the same side of the machining assembly; the tool magazine 11 and the rotary double-workbench exchanging device 1 are respectively positioned on two sides of the Z-axis lathe bed 7.
Further, the rotary type double table exchange device 1 includes: the device comprises an exchange mechanism for driving a workbench 1-4 to rotate, a driving mechanism for driving the exchange mechanism to rotate, and a supporting mechanism for supporting the exchange mechanism;
the exchange mechanism includes: an exchange sliding table 1-5 and a linear feeding mechanism 1-8; the exchange sliding table 1-5 is provided with a first working table fixing surface and a second working table fixing surface for fixing the working tables 1-4; the first workbench fixing surface and the second workbench fixing surface are fixedly provided with workbenches 1-4; one end of the exchange sliding table 1-5 is connected with the driving mechanism, the driving mechanism is arranged on the supporting mechanism, and the other end of the exchange sliding table 1-5 is rotatably connected with the supporting mechanism; a third workbench fixing surface for fixing the workbench 1-4 is arranged on the sliding seat 4; the first workbench fixing surface, the second workbench fixing surface and the third workbench fixing surface are provided with linear feeding mechanisms 1-8 which enable the workbench 1-4, the exchange sliding table 1-5 and the sliding seat 4 to generate relative motion;
the drive mechanism includes: the device comprises driving gears 1-6 and driven gears 1-12 which are meshed with each other, a driving motor for driving the driving gears 1-6 to rotate, and a position detection device for detecting the position state of the exchange sliding table 1-5; the driving gears 1-6 are fixedly connected with the supporting mechanism; the driven gears 1-12 are rotatably connected with the supporting mechanism, and the driven gears 1-12 are fixedly connected with one end of the exchange sliding table 1-5; the position detection device is arranged on the supporting mechanism of the driven gears 1-12.
Furthermore, the other end of the exchange sliding table 1-5 is rotationally connected with a centering shaft 1-13, the centering shaft 1-13 is fixedly connected with the supporting mechanism,
the support mechanism includes: the device comprises a base 1-1, a driving support 1-2 for fixing a driving mechanism and a driven support 1-3 for fixing a centering shaft 1-13;
the driving bracket 1-2 and the driven bracket 1-3 are respectively fixed to opposite ends of the base 1-1.
Specifically, the double-workbench exchange device 1 is located on the right side of the sliding seat, the sliding seat 4 is connected to a Z-axis lathe bed 7 through a Z-axis lead screw 9 and a Z-axis guide rail 10, a Z-axis motor 8 is fixed to the Z-axis lathe bed 7 and is far away from one end of the machining assembly, the output end of the Z-axis motor 8 is connected with one end of the Z-axis lead screw 9, the Z-axis motor 8 drives the Z-axis lead screw 9 to rotate, the sliding seat 4 is enabled to do Z-axis horizontal linear motion on the Z-axis guide rail 10, and the Z-axis guide rail 10 is fixed to the upper.
The slide saddle 15 is connected to the X-axis lathe bed 12 through the X-axis guide rail 14, the planetary gear 22 and the rack 13, the output end of the X-axis motor 21 is connected with the planetary gear 22, the two planetary gears 22 are meshed with the rack 13, the X-axis motor 21 and the planetary gear 22 are fixed on one side of the slide saddle 15, the X-axis guide rail 14 and the rack 13 are fixed on the X-axis lathe bed 12, the X-axis motor 21 drives the planetary gear 22 and the rack 13 to move relatively, so that the slide saddle 15 does X-axis horizontal linear motion on the X-axis guide rail 14, the planetary gear 22 is matched with the rack 13, the slide saddle 15 moves stably, namely, the slide pillow 19 and the spindle head assembly 20 fixed on the slide saddle 15 move stably, and the rigidity of the device is; the provision of two planet gears 22 eliminates the gap between the planet gears 22 and the rack 13.
The ram 19 is connected to the saddle 15 through a Y-axis guide rail 18 and a Y-axis screw 17, the output end of the Y-axis motor 16 is connected with one end of the Y-axis screw 17, and the Y-axis screw 17 enables the ram 19 to drive the main spindle head assembly 20 to do vertical linear motion on the Y-axis guide rail 18 along a Y axis vertical to the X axis; the Y-axis motor 16 is fixed on the top of the saddle 15, and the Y-axis guide rail 18 is fixed on the other side of the saddle 15.
The tool magazine 11 for exchanging tools for the spindle 20-3 is located on the same side of the machining assembly as the carriage 4. The tool magazine 11 is located on the same side of the sliding seat 4 and the machining assembly, when the spindle 20-3 moves to the tool magazine 11 for tool changing, the spindle returns to the original path to machine the workpiece on the workbench 1-4, and the spindle 20-3 can rotate until the central axis of the spindle is perpendicular to the horizontal plane, so that 90-degree tool changing is achieved.
The driving support 1-2 and the driven support 1-3 are oppositely arranged and respectively fixed at two ends of the base 1-1, a driving gear 1-6 and a driven gear 1-12 which are mutually meshed are fixed on the driving support 1-2, as shown in fig. 7, in the embodiment, two driving gears 1-6 are arranged, two driving motors which respectively drive the two driving gears 1-6 are arranged in the driving support 1-2, and when one driving motor fails, the other driving motor can continuously drive the other driving gear 1-6 to work; in addition, the arrangement of the two driving gears 1-6 can eliminate the clearance between the driving gears 1-6 and the driven gears 1-12; a driven bracket 1-3 is provided with a centering shaft 1-13, an exchange sliding table 1-5 is rectangular, two opposite end parts of the exchange sliding table are respectively fixedly connected with a moving gear 1-12 and rotatably connected with the centering shaft 1-13, when a driving motor drives a driving gear 1-6 to rotate, the driven gear 1-12 drives the exchange sliding table 1-5 to rotate, two rotating surfaces of the exchange sliding table 1-5 are respectively a first workbench fixing surface and a second workbench fixing surface and are used for fixing a workbench 1-4 which is processed and to be processed, and when the exchange sliding table 1-5 rotates, the workbench 1-4 fixed on the exchange sliding table 1-5 is driven to synchronously rotate; a right-angle notch is formed in one side of the driven support 1-3, when the exchange sliding table 1-5 is vertical, a workbench 1-4 to be machined on the exchange sliding table 1-5 is driven by the linear feeding mechanism 1-8 to move from the right-angle notch side to the machining area and move onto the sliding base 4 through the linear feeding mechanism 1-8 on the third workbench fixing surface of the sliding base 4 in the machining area, and a machined workbench 1-4 on the sliding base 4 moves onto the exchange sliding table 1-5 from the right-angle notch side by the driving of the linear feeding mechanism 8 on the third workbench fixing surface; through the action of the processed and to-be-processed working tables 1-4, the processing of the to-be-processed working tables 1-4 in the processing area is realized, and meanwhile, the exchange sliding table 1-5 carries out loading and unloading work on processed workpieces on the working table 4, so that the working efficiency is improved.
Furthermore, anti-overturning rollers 1-18 are arranged along one side of the first workbench fixing surface and the second workbench fixing surface, and first guide wheels 1-7 are arranged along the other side; a second guide wheel 4-2 is arranged on the fixed surface of the third workbench;
the plurality of anti-overturning rollers 1-18 are clamped with the grooves 1-4-1 on the workbench 1-4, and the rotation axes of the anti-overturning rollers 1-18 are vertical to the central axes of the grooves 1-4-1; guide rollers 1-17 on the workbench 1-4 are clamped with the first guide wheels 1-7 and the second guide wheels 4-2, and the rotation axes of the guide rollers 1-17 are vertical to the central axes of the first guide wheels 1-7 and the second guide wheels 4-2; the movement direction of the working platform 1-4 is vertical to the rotation axis of the overturn-preventing roller 1-18.
Specifically, in order to prevent one end, away from the ground, of the workbench 1-4 fixed on the exchange slipway 1-5 from overturning from the exchange slipway 1-5 when the exchange slipway 1-5 is in a vertical state, as shown in fig. 12, rows of overturning-prevention rollers 1-18 are arranged on the same side of a first workbench fixing surface and a second workbench fixing surface, a plurality of overturning-prevention rollers 1-18 are clamped in grooves 1-4-1 penetrating the workbench 1-4, and rotating shafts of the overturning-prevention rollers 1-18 are perpendicular to central axes of the grooves 1-4-1; in addition, in order to generate relatively stable relative motion between the working table 1-4 and the exchange sliding table 1-5, a first guide wheel 1-7 is fixed on the anti-overturning roller 1-18 opposite side of the first working table fixing surface and the second working table fixing surface, the first guide wheel 1-7 is a circular guide rail, as shown in fig. 11, a guide roller 1-17 on the working table 1-4 is clamped with the first guide wheel 1-7, and a rotating shaft of the guide roller 1-17 is perpendicular to a central axis of the first guide wheel 1-7; the workbench 1-4 moves along the extension line of the groove 1-4-1 and the central axis of the first guide wheel 1-7.
In order that the working table 1-4 can smoothly move to the third working table fixing surface when the double-working-table exchange device 1 is in butt joint with the sliding seat 4, a second guide wheel 4-2 is arranged on the third working table fixing surface; to guide the movement of the tables 1-4 onto the slide 4.
Further, the position detection device is an angle encoder, and the angle encoder is arranged on the driven gears 1-12.
Specifically, when the angle encoder detects that the rotation angles of the driven gears 1 to 12 are 0 degrees, 180 degrees and 360 degrees, namely the exchange sliding table 1 to 5 is in a horizontal state, the driving motor stops acting, and the workbench is placed on the exchange sliding table 1 to 5; when the angle encoder detects that the rotating angles of the driven gears 1 to 12 are 90 degrees and 270 degrees, namely the exchange sliding table 1 to 5 is in a vertical state, the driving motor stops acting, and the linear feeding mechanism 1 to 8 moves the workbench to a machining area from the exchange sliding table 1 to 5 or moves the workbench 1 to 4 to the exchange sliding table 1 to 5 from the machining area.
Further, the position detection device comprises vertical positioning switches 1-22 for detecting the vertical state of the workbench fixing surfaces of the exchange slipways 1-5 and horizontal positioning switches 1-20 for detecting the horizontal state of the workbench fixing surfaces of the exchange slipways 1-5; the vertical positioning switches 1-22 and the horizontal positioning switches 1-20 are arranged on the driven bracket 1-3.
Specifically, as shown in fig. 9 and 13, in this embodiment, as another embodiment for detecting the horizontal state and the vertical state of the exchange slide table, a vertical positioning switch 1-22 for detecting the vertical state of the table fixing surface of the exchange slide table 1-5 and a horizontal positioning switch 1-20 for detecting the horizontal state of the table fixing surface of the exchange slide table 1-5 are arranged on the driven bracket 1-3; when the horizontal state of the fixed surface of the workbench is detected, the driving motor stops acting, and the workbench is placed on the exchange sliding table 1-5; when the vertical state of the fixed surface of the workbench is detected, the driving motor stops acting, and the linear feeding mechanism 1-8 moves the workbench from the exchange sliding table 1-5 to the processing area, or moves the workbench 1-4 from the processing area to the exchange sliding table 1-5.
Further, still include: horizontal positioning pins 1-11, first workbench positioning pins 1-10, two horizontal positioning sleeves 1-14 arranged on the exchange sliding table 1-5 and second workbench positioning pins 4-1 arranged on the fixing surface of the third workbench;
the horizontal positioning pins 1-11 are arranged on the driving support 1-2, and when the exchange sliding table 1-5 is in a horizontal position, namely when the angle encoder detects that the rotation angles of the driven gears 1-12 are 0 degree, 180 degrees and 360 degrees, the positioning pins 1-10 of the first working table and the horizontal positioning pins 1-11 extend out, and other angles retract. Or when the horizontal positioning switch 1-20 detects that the exchange sliding table 1-5 is in a horizontal state, the first workbench positioning pin 1-10 and the horizontal positioning pin 1-11 extend out; when the vertical positioning switches 1 to 22 detect that the exchange sliding table 1 to 5 is in a vertical state, the first workbench positioning pins 1 to 10 and the horizontal positioning pins 1 to 11 retract; when the workbench is positioned on the third workbench fixing surface, the second workbench positioning pin 4-1 extends out and is sleeved into a hole arranged on the workbench 1-4 to be clamped (the hole is not shown in the figure) so as to realize fixation; when the workbench is positioned on the third workbench fixing surface, the second workbench positioning pin 4-1 retracts.
The horizontal positioning pin 1-11 extends out of the driving bracket 1-2 and is inserted into the horizontal positioning sleeve 1-14; and the first workbench positioning pins 1-10 for fixing the workbench 1-4 are arranged on the workbench fixing surface of the exchange sliding table 1-5.
Specifically, in order to ensure that the exchange sliding table 1-5 can reach an absolute level when rotating to a horizontal state, and has a limiting effect on the exchange sliding table 1-5, and prevent the exchange sliding table 1-5 from over-rotating, as shown in fig. 6, a horizontal positioning pin 1-11 is arranged on the driving support 1-2, and the horizontal positioning pin 1-11 is a metal rod and is parallel to a horizontal plane; as shown in fig. 8, two horizontal positioning sleeves 1-14 are arranged on the exchange slipway 1-5; when the exchange sliding table 1-5 is in a horizontal position, the horizontal positioning pin 1-11 extends out of the driving support 1-2 and is inserted into the horizontal positioning sleeve 1-14;
as shown in fig. 5, the first table positioning pins 1-10 for fixing the tables 1-4 are disposed on the table fixing surfaces of the exchange tables 1-5, and when the tables 1-4 are placed on the exchange tables 1-5, the first table positioning pins 1-10 vertically extend from the exchange tables 1-5 and are engaged with the holes disposed on the tables 1-4 (the holes are not shown in the drawings).
Further, the linear feed mechanism 1 to 8 includes: a cylinder 1-8-1 and a transmission device; the air cylinder 1-8-1 drives the first rotating shaft to be in butt joint with the second rotating shaft in the machining area, the motor in the machining area drives the transmission device to rotate, and the transmission device drives the workbench 1-4 to move, so that the workbench 1-4 and the exchange sliding table 1-5 move relatively.
Specifically, as shown in fig. 5 and 14, the transmission device is a cylindrical cam 1-8-2, a row of feed rollers 1-4-2 is arranged on one surface of the workbench 1-4, which is in contact with the exchange slide table 1-5, a motor in the processing area drives the cylindrical cam 1-8-2 to rotate, and the cylindrical cam 1-8-2 is engaged with the feed rollers 1-4-2 and enables the workbench 1-4 and the exchange slide table 1-5 to move relatively; the transmission device can also be a screw rod nut, a motor in the processing area drives the screw rod to rotate, so that a nut seat fixed at the bottom of the workbench moves linearly, and the workbench 1-4 and the exchange sliding table 1-5 move relatively; through simple structural combination, the workbench 1-4 is conveyed into a processing area from the exchange sliding table 1-5, and the exchange sliding table is pulled back from the processing area.
Further, as shown in fig. 5 in conjunction with fig. 10, the method further includes: the working table 1-4 is prevented from falling off the limiting block 1-15 of the exchange sliding table 1-5 when rotating; the limiting blocks 1-15 are fixed on the fixed surface of the workbench and are positioned at the same side as the first guide wheels 1-7.
Further, still include: a vacuum chuck 19 and crash blocks 1-21; the vacuum chucks 1-19 and the anti-collision blocks 1-21 are fixedly connected with one ends of the exchange slipways 1-5 close to the driven gears 1-12.
Specifically, when the processed workbench 1-4 moves from the processing area to the exchange slide table, in order to prevent the processed workbench 1-4 from impacting the driven gear due to inertia, a vacuum suction cup 1-19 and an anti-collision block 1-21 are fixed at one end of the exchange slide table 1-5 close to the driven gear 1-12, and the processed workbench 1-4 stabilizes and stops the motion state of the processed workbench 4 through the limit of the anti-collision block 1-21; the vacuum chuck 19 is led out of a plurality of pipelines to respectively adsorb and fix the workpieces on the workbench 4.
The working process is as follows:
s1: the first workbench fixing surface is upward horizontally, the angle encoder detects that the rotation angle of the driven gear is 0 degree or the horizontal positioning switch detects that the exchange sliding table is in a horizontal state, and a first workbench positioning pin on the first workbench fixing surface extends out; the horizontal positioning pin extends out of the horizontal positioning sleeve and is inserted into the horizontal positioning sleeve;
s2: placing a first workbench on which a workpiece to be machined is placed on a fixed surface of the first workbench;
s3: the driving motor drives the driving gear to rotate, the driving gear is meshed with the driven gear, and the driven gear drives the exchange sliding table to rotate along the same direction;
when the angle encoder detects that the rotation angle of the driven gear is 90 degrees or the vertical positioning switch detects that the exchange sliding table is in a vertical state, the driving motor stops acting, and the first workbench positioning pin and the horizontal positioning pin retract;
s4: the cylinder drives the first rotating shaft to extend out and is in butt joint with the second rotating shaft of the processing area, the motor of the processing area rotates forwards and drives the cylindrical cam to rotate, and the cylindrical cam is meshed with the feeding roller and enables the first workbench to be processed to move to the processing area; a slide seat which vertically moves along the Z-axis lathe bed in the machining area is arranged on the Z-axis lathe bed, a first workbench to be machined is moved onto the slide seat by a linear feeding mechanism on the slide seat, and a workpiece on the first workbench to be machined is machined by the main shaft;
s5: the cylinder drives the first rotating shaft to retract, the first rotating shaft is separated from the second rotating shaft of the machining area, the driving motor acts, and step S3 is synchronized, so that the fixed surface of the second workbench of the exchange sliding table faces upwards; when the angle encoder detects that the rotation angle of the driven gear is 180 degrees or the horizontal positioning switch detects that the exchange sliding table is in a horizontal state, the driving motor stops acting, and a first working table positioning pin on the fixed surface of the second working table extends out; the horizontal positioning pin extends out of the horizontal positioning sleeve and is inserted into the horizontal positioning sleeve; placing a second workbench to be processed on a second workbench fixing surface;
s6: the driving motor drives the driving gear to drive the driven gear to rotate, and the driven gear drives the exchange sliding table to rotate in a vertical state; enabling the first workbench fixing surface to be located on the side of the right-angle notch of the driven support, enabling a motor in a machining area to rotate forward to enable the first workbench fixing surface to move to the machining area, then rotating backward, driving the cylindrical cam to rotate, enabling the cylindrical cam to be meshed with the feeding roller and enabling the machined first workbench to move to the exchange sliding table;
s7: the driving motor drives the driving gear to drive the driven gear to rotate, and the driven gear drives the exchange sliding table to rotate in a vertical state; enabling the second workbench fixing surface to be located on the right-angle notch side of the driven bracket 3, enabling a motor of the machining area to rotate positively and driving the cylindrical cam to rotate, and enabling the cylindrical cam to be meshed with the feeding roller and the second workbench to be machined to move to the machining area;
s8: the driving motor drives the driving gear to drive the driven gear to rotate, and the driven gear drives the exchange sliding table to rotate in a horizontal state; enabling the fixed surface of the first workbench to face upwards, and unloading the machined workpiece on the first workbench; then, step S1 is executed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a horizontal five-axis of workstation Z axle motion turns over board machining center which characterized in that includes: the rotary double-workbench exchanging device (1), the Z-axis lathe bed (7), the sliding seat (4) and the processing assembly; the rotary double-workbench exchanging device (1) drives the workbench (1-4) to turn over, the double-workbench exchanging device (1) is in butt joint with the sliding seat (4), and the workbench (1-4) is moved to the sliding seat (4); the sliding seat (4) drives the working table (1-4) to do Z-axis horizontal linear motion on the Z-axis lathe bed (7); the machining assembly machines the workpiece on the workbench (1-4).
2. The machining center of claim 1, wherein the machining assembly comprises: an X-axis lathe bed (12), a saddle (15), a ram (19), a main spindle head assembly (20) and a tool magazine (11);
the spindle head assembly (20) includes: a rotating shaft (20-1), a swinging shaft (20-2) and a main shaft (20-3); the rotating shaft (20-1) is connected with the ram (19), the rotating shaft (20-1) drives the swinging shaft (20-2) to move on the B axis, and the swinging shaft (20-2) drives the main shaft (20-3) to move on the A axis;
the sliding saddle (15) drives the ram (19) to do X-axis horizontal linear motion on the X-axis bed body (12); the ram (19) drives the main shaft head assembly (20) to do vertical linear motion on the saddle (15) along the Y axis which is vertical to the X axis;
the tool magazine (11) for tool changing of the spindle (20-3) and the slide (4) are located on the same side of the machining assembly; the tool magazine (11) and the rotary double-workbench exchange device (1) are respectively positioned on two sides of the Z-axis lathe bed (7).
3. Machining center according to claim 2, characterized in that the rotary double-table exchange device (1) comprises: the device comprises an exchange mechanism for driving a workbench (1-4) to rotate, a driving mechanism for driving the exchange mechanism to rotate, and a supporting mechanism for supporting the exchange mechanism;
the exchange mechanism includes: an exchange sliding table (1-5) and a linear feeding mechanism (1-8); the exchange sliding table (1-5) is provided with a first working table fixing surface and a second working table fixing surface for fixing the working tables (1-4); the first workbench fixing surface and the second workbench fixing surface are fixedly provided with workbenches (1-4); one end of the exchange sliding table (1-5) is connected with the driving mechanism, the driving mechanism is arranged on the supporting mechanism, and the other end of the exchange sliding table (1-5) is rotatably connected with the supporting mechanism; a third workbench fixing surface for fixing the workbench (1-4) is arranged on the sliding seat (4); the first workbench fixing surface, the second workbench fixing surface and the third workbench fixing surface are provided with linear feeding mechanisms (1-8) which enable the workbench (1-4), the exchange sliding table (1-5) and the sliding seat (4) to generate relative motion;
the drive mechanism includes: the device comprises driving gears (1-6) and driven gears (1-12) which are meshed with each other, a driving motor for driving the driving gears (1-6) to rotate, and a position detection device for detecting the position state of the exchange sliding table (1-5); the driving gear (1-6) is fixedly connected with the supporting mechanism; the driven gears (1-12) are rotatably connected with the supporting mechanism, and the driven gears (1-12) are fixedly connected with one ends of the exchange sliding tables (1-5); the position detection device is arranged on the supporting mechanism of the driven gear (1-12).
4. The machining center according to claim 3, characterized in that the other end of the exchange slide table (1-5) is rotatably connected with a centering shaft (1-13), the centering shaft (1-13) is fixedly connected with the supporting mechanism,
the support mechanism includes: the device comprises a base (1-1), a driving support (1-2) for fixing the driving mechanism, and a driven support (1-3) for fixing the centering shaft (1-13);
the driving support (1-2) and the driven support (1-3) are respectively fixed at the opposite ends of the base (1-1).
5. The machining center according to claim 4, wherein an anti-overturning roller (1-18) is provided along one side of the first and second table fixing surfaces, and a first guide wheel (1-7) is provided along the other side; a second guide wheel (4-2) is arranged on the fixed surface of the third workbench;
a plurality of overturn-preventing rollers (1-18) are clamped with grooves (1-4-1) on the workbench (1-4), and the rotation axes of the overturn-preventing rollers (1-18) are vertical to the central axis of the grooves (1-4-1); guide rollers (1-17) on the workbench (1-4) are clamped with the first guide wheels (1-7) and the second guide wheels (4-2), and the rotation axes of the guide rollers (1-17) are vertical to the central axes of the first guide wheels (1-7) and the second guide wheels (4-2); the movement direction of the working table (1-4) is perpendicular to the rotation axis of the overturn-preventing roller (1-18).
6. Machining center according to claim 3, characterized in that the position detection means are angle encoders provided on the driven gears (1-12).
7. The machining center according to claim 4, wherein the position detecting device is a vertical positioning switch (1-22) for detecting a vertical state of a table fixing surface of the exchange slide table (1-5) and a horizontal positioning switch (1-20) for detecting a horizontal state of the table fixing surface of the exchange slide table (1-5); the vertical positioning switches (1-22) and the horizontal positioning switches (1-20) are arranged on the driven bracket (1-3).
8. The machining center according to claim 7, further comprising: horizontal positioning pins (1-11), first workbench positioning pins (1-10), two horizontal positioning sleeves (1-14) arranged on the exchange sliding table (1-5) and second workbench positioning pins (4-1) arranged on the fixing surface of the third workbench;
the horizontal positioning pins (1-11) are arranged on the driving support (1-2), and when the exchange sliding table (1-5) is in a horizontal position, the horizontal positioning pins (1-11) extend out of the driving support (1-2) and are inserted into the horizontal positioning sleeves (1-14); the first workbench positioning pin (1-10) is arranged on the exchange sliding table (1-5).
9. Machining center according to claim 3, characterized in that the linear feed mechanism (1-8) comprises: a cylinder (1-8-1) and a transmission device;
the air cylinder (1-8-1) drives the first rotating shaft to be in butt joint with the second rotating shaft in the machining area, the motor in the machining area drives the transmission device to rotate, and the transmission device drives the workbench (1-4) to move, so that the workbench (1-4) and the exchange sliding table (1-5) and the sliding seat (4) move relatively.
10. The machining center according to claim 5, further comprising: the limiting blocks (1-15), the vacuum suction cups (1-19) and the anti-collision blocks (1-21) prevent the workbench (1-4) from falling off the exchange sliding table (1-5) when rotating;
the limiting blocks (1-15) are fixed on the fixed surface of the workbench and are positioned at the same side as the first guide wheels (1-7); the vacuum suckers (1-19) and the anti-collision blocks (1-21) are fixedly connected with one ends, close to the driven gears (1-12), of the exchange sliding tables (1-5).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546083A (en) * | 2020-05-29 | 2020-08-18 | 科德数控股份有限公司 | Horizontal five-axis flap machining center with Z-axis movement of workbench |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546083A (en) * | 2020-05-29 | 2020-08-18 | 科德数控股份有限公司 | Horizontal five-axis flap machining center with Z-axis movement of workbench |
| CN111546083B (en) * | 2020-05-29 | 2024-10-01 | 科德数控股份有限公司 | Horizontal five-axis turning plate machining center with Z-axis motion of workbench |
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