Numerical control gantry compound machine
Technical Field
The utility model relates to a digit control machine tool especially relates to a numerical control longmen compounding machine.
Background
With the joyful and development of the national equipment manufacturing industry, the numerical control machine tool is a mainstream product of the machine tool industry and becomes a key device for realizing the modernization of the equipment manufacturing industry. In the industries such as water heating, hardware, automobile parts, compressors, mobile phones and 3C, along with the improvement of market requirements, the demand on high-efficiency, high-reliability and high-automation numerical control machine tools is also increasing. The multifunctional machining center is a highly automated machining device and is characterized in that: the automatic tool changing device is provided with the tool magazine, automatic tool changing work can be completed, after a workpiece is clamped once, according to a numerical control machining program which is programmed in advance, a machining center can automatically select a machining mode, change a tool, automatically set a tool, automatically change the rotating speed of a main shaft, the feeding amount and the like, various processes can be continuously completed, and the time of auxiliary processes such as workpiece clamping, measurement and machine tool adjustment is shortened. In the prior art, a machining center is divided into a vertical type machining center, a horizontal type machining center and a gantry crane type machining center, and a main shaft is arranged on each machining center, so that only one-side machining can be realized, after one side of a workpiece is machined, the other side of the workpiece is machined by reversing through a clamp, and therefore the machining of two sides of the workpiece cannot be realized simultaneously, and the machining efficiency is low. Referring to fig. 1, particularly for the processing of a circular knitting machine saddle 1 ', the circumference outer side 11' of the saddle 1 ', the inner side 12' of the inner ring circumference, the upper end surface 13 'and the lower inclined ring surface 14' on the circumference outer side need to be processed, multiple processing centers are often needed to be matched for processing, the processing efficiency is low, the processing steps are complex, and meanwhile, the circular knitting machine saddle is heavy, time and labor are wasted when being moved back and forth, and the processing cost is high.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a simple structure is reasonable, make the work piece can accomplish whole processing, improve machining efficiency, reduce the numerical control longmen compounding machine of processing cost on the workstation.
In order to solve the technical problem, the utility model discloses take following scheme: a numerical control gantry compound machine comprises a machine frame, a workbench, a fixed seat, a horizontal moving mechanism, a driving unit, a gantry, an inclined upright post, a horizontal main shaft box, a first vertical main shaft box, a second vertical main shaft box, a horizontal tool magazine, a first vertical tool magazine and a second vertical tool magazine, wherein the fixed seat is arranged on the machine frame in a horizontally moving manner through the horizontal moving mechanism, the workbench is rotatably arranged on the fixed seat through the driving of the driving unit, a vertical mounting seat and a gantry mounting seat for mounting the gantry and the inclined upright post are respectively arranged at the two ends of the machine frame, which are positioned at the back and forth movement of the horizontal moving mechanism, the gantry is fixedly arranged on the gantry mounting seat of the machine frame, the inclined upright post is fixedly arranged on the vertical mounting seat of the machine frame, the horizontal main shaft box and the first vertical main shaft box are both slidably arranged on a cross beam of the gantry, and the horizontal main shaft box is used for processing the outer side of the circumference and the, the machining tool comprises a first vertical spindle box and a workbench, wherein the upper end face of a workpiece to be machined on the workbench is machined, a second vertical spindle box can be arranged on an inclined upright column in an up-and-down sliding mode on an inclined plane of the inclined upright column to machine a lower inclined ring face on the outer side of the circumference of the workpiece to be machined on the workbench, a horizontal tool magazine is arranged on a rack and located on one side of the horizontal spindle box and used for replacing a machining tool of the horizontal spindle box, a first vertical tool magazine is arranged on the rack and located on one side of the first vertical spindle box and used for replacing the machining tool of the first vertical spindle box, and a second vertical tool magazine is arranged on the rack and located on one side of the second vertical spindle.
Further, still include fixture, the workstation upper surface is equipped with many draw-in grooves that extend to the workstation center by the border, fixture include a plurality of with the workstation on each draw-in groove looks adaptation fixture block, each fixture block is used for locking the work piece of treating that the workstation center was placed or unclamp the work piece of the processing completion that the workstation center was placed of taking out on each draw-in groove of workstation adjustably.
Furthermore, the workstation is circular workstation, and each draw-in groove extends the setting and the equipartition in workstation upper surface by the border towards the center.
Furthermore, the drive unit is servo motor, and the workstation is rotatably located on the fixing base through the axis of rotation, and servo motor locates on the fixing base and servo motor's output shaft connects and drives the axis of rotation and rotate and then drive the workstation rotation.
Further, the unit head rear end of horizontal headstock, first vertical headstock and the vertical headstock of second all is equipped with the part and wears to locate the unit head and is used for changing the knife flywheel mechanism of unit head cutter, knife flywheel mechanism includes knife flywheel jar, reset spring, pull rod and jack catch, the output shaft of knife flywheel jar is connected with the jack catch through the pull rod, in the unit head was worn to locate by the pull rod, reset spring cover was located on the pull rod between unit head and the knife flywheel output shaft, the jack catch can block and fix the tool bit and is located in the unit head or loosen the tool bit and go out the power head by the pull rod propelling movement.
Furthermore, the unclamping cylinder includes a hydraulic cylinder body, an adjusting block, a connecting seat and a piston, the piston is arranged in the hydraulic cylinder body in a telescopic manner, the piston is provided with a hollow cavity along the axial direction, one end of the pull rod, which is far away from the tool bit, is connected with one end of the connecting seat, the connecting seat is arranged in the hollow cavity of the piston and penetrates into the hollow cavity of the piston through the pull rod part connected with the connecting seat, the adjusting block can be arranged in the hollow cavity of the piston in an adjusting position manner, and the free end of the adjusting block is connected with one end, which is far away from the pull rod, of the connecting.
Further, be equipped with first line rail and second line rail on the crossbeam of portal frame, first line rail and second line rail are located the upper surface of crossbeam and are just on the front and the plane mutually perpendicular at the sliding surface place of first line rail and second line rail along the crossbeam axle center respectively, horizontal headstock and first vertical headstock all are equipped with the slip table and two slip tables all are equipped with the spout of first line rail and second line rail looks adaptation on the crossbeam, horizontal headstock and first vertical headstock are located on the crossbeam through the spout of slip table and first line rail and second line rail cooperation slidable, are equipped with the second drive unit on the crossbeam of portal frame, and the second drive unit is connected and is driven the slip table on horizontal headstock and the first vertical headstock and round trip movement on the crossbeam.
Furthermore, the portal frame further comprises a multi-section foldable dustproof cover, the multi-section foldable dustproof cover is arranged on the cross beam and is connected and matched with the sliding table side edges of the horizontal main shaft box and the first vertical main shaft box to protect the first linear rail and the second linear rail on the cross beam.
Furthermore, the second driving unit is an electric screw rod, and the second driving unit is arranged on the cross beam and is positioned between the first linear rail and the second linear rail, and the screw rod of the second driving unit is parallel to the central axis of the cross beam.
By adopting the technical scheme, the beneficial effects of the utility model are that: the worktable is rotatably arranged on the fixed seat, the fixed seat is horizontally arranged on the rack in a reciprocating way, the inclined upright post and the portal frame are respectively arranged at the two ends of the rack positioned at the reciprocating way of the horizontal moving mechanism, the horizontal main shaft box and the first vertical main shaft box are both arranged on the cross beam of the portal frame in a sliding way, the horizontal main shaft box is used for processing the periphery outside and the inner periphery inside of the workpiece to be processed on the worktable, the first vertical main shaft box is used for processing the upper end surface of the workpiece to be processed on the worktable, the second vertical main shaft box is arranged on the inclined upright post in a vertical sliding way up and down inclined ring surface processing on the periphery outside on the inclined upright post, so that the composite processing center of the utility model can realize the common multi-station pentahedron processing of the workpiece by 360 degrees on the 360-degree rotary worktable, the composite machining center has the advantages that various processes of workpieces can be continuously completed by changing cutters, automatically setting cutters, automatically changing the rotating speed of the main shaft, feeding amount and the like, the time of auxiliary processes of workpiece clamping, measurement, machine tool adjustment and the like is reduced, the workpieces can be completely machined at one time by matching 360-degree automatic rotation with the automatic machining of the composite machining center, the composite machining center has good overall rigidity, the machining quality of the workpieces can be effectively improved, the machining efficiency is effectively improved, the production profits of enterprises are improved, the structure is simple and reasonable, through further arrangement, a workpiece to be machined on a locking worktable is adjusted from the edge to the center by arranging a clamping mechanism, the workpieces can be effectively and stably fixed in the center of the worktable for 360-degree positioning machining, the workpieces are fixed and stable, and various processes of drilling, boring, milling, reaming, tapping and the workpieces are processed by the cutters carried by the main shaft, the tool striking cylinder mechanism with a new structure is arranged on the power head, namely, a piston of the tool striking cylinder mechanism is provided with a hollow cavity along the axial direction, one end of a pull rod, which is far away from a tool bit, is connected with one end of a connecting seat, the connecting seat is positioned in the hollow cavity of the piston, the part of the pull rod, which is connected with the connecting seat, penetrates into the hollow cavity of the piston, an adjusting block is arranged in the hollow cavity of the piston in a position-adjusting manner, the free end of the adjusting block is connected with one end of the connecting seat, which is far away from the pull rod, to drive and adjust the position of the connecting seat in the hollow cavity of the piston, the length of the tool striking cylinder mechanism is effectively shortened, so that the tool striking cylinder can extend into an inner ring of a workpiece to carry out the working procedures of boring, milling and the like on the inner ring circumference of the workpiece when being matched with the power head of a horizontal type tool striking cylinder, a first linear rail, when the horizontal spindle box and the first vertical spindle box are vibrated due to the processing of the power head, the first linear rail and the second linear rail are not on the same plane, so that the vibration force cannot be transmitted between the first linear rail and the second linear rail to form linkage vibration, the structures between the sliding tables of the horizontal spindle box and the first vertical spindle box, the first linear rail, the second linear rail and the cross beam of the portal frame are stable, the horizontal spindle box and the first vertical spindle box are prevented from being deviated on the cross beam of the portal frame due to the long-term processing vibration of the power head, the sliding movement of the horizontal spindle box and the first vertical spindle box is effectively ensured to be stable, the precision of the processing of the tools of the power head on the horizontal spindle box and the first vertical spindle box is ensured, the arrangement of the multi-section foldable dust covers ensures that the first linear rail and the second linear rail cannot be blocked by dust accumulation and flying chips of processing workpieces to slide on the first linear rail and the second linear rail, the horizontal spindle box and the first vertical spindle box sliding table are further guaranteed to stably slide on the cross beam, and the horizontal spindle box and the first vertical spindle box sliding table can be widely popularized and applied.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a prior art circular machine saddle;
fig. 2 is a partial structural schematic diagram of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the frame, the workbench, the fixing base, the horizontal moving mechanism and the driving unit in the embodiment of the present invention;
FIG. 4 is a schematic sectional view of the unclamping cylinder and the power head in the embodiment of the present invention;
FIG. 5 is a schematic sectional view of the horizontal spindle box according to the embodiment of the present invention;
fig. 6 is a schematic structural view of the inclined column, the second vertical spindle box and the second vertical tool magazine in the embodiment of the present invention;
fig. 7 is a partial structure schematic diagram of the sliding table of the embodiment of the present invention, including the gantry, the horizontal spindle box and the first vertical spindle box.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 2-7, a preferred numerical control gantry compound machine of the present invention comprises a frame 1, a workbench 2, a fixing base 3, a horizontal moving mechanism 4, a driving unit 5, a gantry frame 6, an inclined upright post 7, a horizontal main spindle box 8, a first vertical main spindle box 9, a second vertical main spindle box 10, a horizontal tool magazine 11, a first vertical tool magazine 12, a second vertical tool magazine 13 and a clamping mechanism 14, wherein the fixing base 3 is horizontally movably disposed on the frame 1 through the horizontal moving mechanism 4, the workbench 2 is a circular workbench, a plurality of clamping slots 201 extending from edges to the center of the workbench 2 are disposed on the upper surface of the workbench 2, the clamping mechanism 14 comprises a plurality of clamping blocks matched with the clamping slots 201 on the workbench 2, each clamping block is adjustably disposed on each clamping slot 201 on the workbench 2 for locking a workpiece to be machined placed at the center of the workbench 2 or releasing a machined workpiece placed at the center of the workbench 2, each clamping groove 201 extends from the edge to the center and is uniformly distributed on the upper surface of the workbench 2, the driving unit 5 is a servo motor, the workbench 2 is rotatably arranged on the fixed seat 3 through a rotating shaft, the servo motor is arranged on the fixed seat 3 and an output shaft of the servo motor is connected with and drives the rotating shaft to rotate so as to drive the workbench 2 to rotate, a vertical mounting seat 101 and a portal frame mounting seat 102 for mounting a portal frame 6 and an oblique upright post 7 are respectively arranged at two ends of the rack 1, which are positioned on the horizontal moving mechanism 4 in a reciprocating manner, the portal frame 6 is fixedly arranged on the portal frame mounting seat 102 of the rack 1, the oblique upright post 7 is fixedly arranged on the vertical mounting seat 101 of the rack 1, the horizontal main spindle box 8 and the first vertical main spindle box 9 are both slidably arranged on a cross beam of the portal frame 6, and the horizontal main spindle box 8 processes the outer side of the circumference and the inner side of the, the machining tool comprises a first vertical spindle box 9 and a workpiece to be machined on a workbench 2, wherein the upper end face of the workpiece to be machined on the workbench 2 is machined, a second vertical spindle box 10 can be arranged on an inclined upright post 7 in an up-and-down sliding mode on an inclined plane 71 of the inclined upright post 7 to machine a lower inclined annular face on the outer side of the circumference of the workpiece to be machined on the workbench 2, a horizontal tool magazine 11 is arranged on a rack 1 and is positioned on one side of the horizontal spindle box 8 and used for replacing machining tools of the horizontal spindle box 8, a first vertical tool magazine 12 is arranged on the rack 1 and is positioned on one side of the first vertical spindle box 9 and used for replacing machining tools of the first vertical spindle box 9, and a second vertical tool magazine 13 is arranged on one side of the rack 1 and is.
The rear ends of power heads 15 of the horizontal spindle box 8, the first vertical spindle box 9 and the second vertical spindle box 10 are respectively provided with a unclamping cylinder mechanism, parts of the unclamping cylinder mechanism penetrate through the power heads 15 and are used for replacing cutters of the power heads 15, the unclamping cylinder mechanism 16 comprises a unclamping cylinder 161, a return spring 162, a pull rod 163 and a clamping jaw 164, an output shaft of the unclamping cylinder 161 is connected with the clamping jaw 164 through the pull rod 163, the pull rod 163 penetrates through the power heads 15, the return spring 162 is sleeved on the pull rod 163 and is positioned between the power heads 15 and an output shaft of the unclamping cylinder 161, the clamping jaw 164 can clamp and fix the cutter head 17 in the power heads 17 or loosen the cutter head 17 and push the power heads 15 by the pull rod 163, the unclamping cylinder 161 comprises a hydraulic cylinder body 1611, an adjusting block 1612, a connecting seat 1613 and a piston 1614, the piston 1614 is arranged in the hydraulic cylinder body 1611 in a telescopic manner, the hollow cavity is arranged, the connecting seat 1613 is located in the hollow cavity of the piston 1614, and the pull rod 163 connected to the connecting seat 1613 partially penetrates into the hollow cavity of the piston 1614, the adjusting block 1612 is arranged in the hollow cavity of the piston 1614 in a position-adjustable manner, and the free end of the adjusting block 1612 is connected to one end of the connecting seat 1613 far from the pull rod 163 to drive and adjust the position of the connecting seat 1613 in the hollow cavity of the piston 1614.
Referring to fig. 5, the horizontal spindle box 8 includes a slide table 81, a box 82, a nitrogen gas balance bar 83, a spindle motor 84, a synchronizing wheel 85, an up-down moving mechanism 86, a power head 15, a tool bit 17, and a unclamping cylinder mechanism 16. The horizontal tool magazine 11 is matched with the horizontal spindle box 8 to replace the tool bit 17.
Referring to fig. 6, the second vertical spindle box 10 provided on the oblique column 7 includes an up-down sliding mechanism 1001, a box 1002, a spindle motor, a synchronizing wheel, a power head 15, a tool bit 17, and a unclamping cylinder mechanism 16, and the second vertical tool magazine 13 is matched with the second vertical spindle box 10 to replace the tool bit 17.
Referring to fig. 7, be equipped with first linear rail 62, second linear rail 63 and the collapsible shield 64 of multistage on the crossbeam 61 of portal frame 6, first linear rail 62 and second linear rail 63 are located the upper surface of crossbeam 61 and are just on the front along the crossbeam 61 axle center respectively and the plane mutually perpendicular that the sliding surface of first linear rail 62 and second linear rail 63 is located, horizontal headstock 8 and first vertical headstock 9 all are equipped with slip table 81, 91 and two slip tables 81, 91 and all are equipped with the spout with first linear rail 62 and the second linear rail 63 looks adaptation on the crossbeam 61, horizontal headstock 8 and first vertical headstock 9 locate on the crossbeam 61 through the spout of slip table 81, 91 and first linear rail 62 and second linear rail 63 cooperation slidable, are equipped with second drive unit 65 on the crossbeam 61 of portal frame 6, second drive unit 65 is electronic lead screw, second drive unit 65 locate on the crossbeam 61 lie between first linear rail 62 and second linear rail 63 and in the lead screw of second drive unit 65 and crossbeam 61 in the crossbeam 61 The axes are parallel, the second driving unit 65 is connected with and drives the sliding tables 81 and 91 on the horizontal spindle box 8 and the first vertical spindle box 9 to move back and forth on the cross beam 61, the multi-section foldable dust-proof cover 64 is covered on the cross beam 61, and the multi-section foldable dust-proof cover 64 is connected with the sliding tables 81 and 91 on the horizontal spindle box 8 and the first vertical spindle box 9 at the side edges to be matched with and protect the first linear rail 62 and the second linear rail 63 on the cross beam 61.
The utility model discloses a rotatably locate the workstation on the fixing base, and then locate the fixing base on the frame in the way of horizontally reciprocating, and the frame is located horizontal movement mechanism reciprocating's both ends and installs oblique stand column and portal frame respectively, locate horizontal headstock and first vertical headstock on the crossbeam of portal frame slidably all, wait to process the work piece on the workstation by horizontal headstock circumference outside and inner circle circumference inboard processing, wait to process the work piece on the workstation by first vertical headstock and go on the up end processing to the work piece on the workstation, can locate the second vertical headstock on the oblique plane of oblique stand column slidably from top to bottom on oblique stand column and carry out the down inclined torus processing outside the circumference to wait to process the work piece on the workstation, make the composite processing center of the utility model can realize that the multistation jointly carries out 360-degree pentahedron processing to the work piece at 360-degree rotary worktable, the composite machining center has the advantages that various processes of workpieces can be continuously completed by changing cutters, automatically setting cutters, automatically changing the rotating speed of the main shaft, feeding amount and the like, the time of auxiliary processes of workpiece clamping, measurement, machine tool adjustment and the like is reduced, the workpieces can be completely machined at one time by matching 360-degree automatic rotation with the automatic machining of the composite machining center, the composite machining center has good overall rigidity, the machining quality of the workpieces can be effectively improved, the machining efficiency is effectively improved, the production profits of enterprises are improved, the structure is simple and reasonable, through further arrangement, a workpiece to be machined on a locking worktable is adjusted from the edge to the center by arranging a clamping mechanism, the workpieces can be effectively and stably fixed in the center of the worktable for 360-degree positioning machining, the workpieces are fixed and stable, and various processes of drilling, boring, milling, reaming, tapping and the workpieces are processed by the cutters carried by the main shaft, the tool striking cylinder mechanism with a new structure is arranged on the power head, namely, a piston of the tool striking cylinder mechanism is provided with a hollow cavity along the axial direction, one end of a pull rod, which is far away from a tool bit, is connected with one end of a connecting seat, the connecting seat is positioned in the hollow cavity of the piston, the part of the pull rod, which is connected with the connecting seat, penetrates into the hollow cavity of the piston, an adjusting block is arranged in the hollow cavity of the piston in a position-adjusting manner, the free end of the adjusting block is connected with one end of the connecting seat, which is far away from the pull rod, to drive and adjust the position of the connecting seat in the hollow cavity of the piston, the length of the tool striking cylinder mechanism is effectively shortened, so that the tool striking cylinder can extend into an inner ring of a workpiece to carry out the working procedures of boring, milling and the like on the inner ring circumference of the workpiece when being matched with the power head of a horizontal type tool striking cylinder, a first linear rail, when the horizontal spindle box and the first vertical spindle box are vibrated due to the processing of the power head, the first linear rail and the second linear rail are not on the same plane, so that the vibration force cannot be transmitted between the first linear rail and the second linear rail to form linkage vibration, the structures between the sliding tables of the horizontal spindle box and the first vertical spindle box, the first linear rail, the second linear rail and the cross beam of the portal frame are stable, the horizontal spindle box and the first vertical spindle box are prevented from being deviated on the cross beam of the portal frame due to the long-term processing vibration of the power head, the sliding movement of the horizontal spindle box and the first vertical spindle box is effectively ensured to be stable, the precision of the processing of the tools of the power head on the horizontal spindle box and the first vertical spindle box is ensured, the arrangement of the multi-section foldable dust covers ensures that the first linear rail and the second linear rail cannot be blocked by dust accumulation and flying chips of processing workpieces to slide on the first linear rail and the second linear rail, the horizontal spindle box and the first vertical spindle box sliding table are further guaranteed to stably slide on the cross beam, and the horizontal spindle box and the first vertical spindle box sliding table can be widely popularized and applied.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.