CN110919368A - Double-station turning and milling composite gantry machining center - Google Patents
Double-station turning and milling composite gantry machining center Download PDFInfo
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- CN110919368A CN110919368A CN201811094673.2A CN201811094673A CN110919368A CN 110919368 A CN110919368 A CN 110919368A CN 201811094673 A CN201811094673 A CN 201811094673A CN 110919368 A CN110919368 A CN 110919368A
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Abstract
A double-station turning and milling composite gantry machining center belongs to the technical field of machining tools. The method is characterized in that: running gear links to each other and drives electric main shaft (14) removal with electric main shaft (14), the vertical setting of electric main shaft (14), movable table and fixed station (2) all set up in electric main shaft (14) downside, fixed station (2) set up between movable table and running gear, movable table is connected with and drives its B axle power device around vertical pivot pivoted, the downside of electric main shaft (14) still is provided with tool magazine (15), electric main shaft (14) still is connected with self-locking mechanism. The traveling mechanism of the double-station turning and milling composite gantry machining center drives the electric spindle to move, so that the electric spindle can move in space, when a workpiece with a complex structure needs to be machined, the workpiece is clamped on the movable workbench to be machined, and when plane milling or engraving milling with high precision requirements is carried out, the workpiece is clamped on the fixed workbench.
Description
Technical Field
A double-station turning and milling composite gantry machining center belongs to the technical field of machining tools.
Background
The numerical control milling machine is an automatic processing device developed on the basis of a common milling machine, the processing technologies of the two are basically the same, and the structures are somewhat similar. The numerical control milling machine is divided into two categories, namely a tool magazine without tool magazine and a tool magazine with tool magazine. Wherein the numerical control milling machine with the tool magazine is also called as a machining center. The existing machining center is usually connected with a rotating shaft to adjust the angle of the workbench and further realize four-axis or five-axis linkage, but when milling operations such as milling or carving of a plane with high precision requirement are carried out, the workbench needs to be kept static, while the existing machining center is difficult to realize complete static of the workbench, so that when milling or carving milling of a plane with high precision requirement, the existing machining center is difficult to meet the precision requirement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the double-station turning and milling composite gantry machining center overcomes the defects in the prior art, can utilize a movable workbench to machine workpieces, and can also utilize a fixed workbench to machine the workpieces.
The technical scheme adopted by the invention for solving the technical problems is as follows: this compound longmen machining center of duplex position turnning and milling, its characterized in that: the automatic tool changer comprises a travelling mechanism, an electric spindle, a movable workbench and a fixed workbench, wherein the travelling mechanism is connected with the electric spindle and drives the electric spindle to move, the electric spindle is vertically arranged, the movable workbench and the fixed workbench are arranged on the lower side of the electric spindle, the fixed workbench is arranged between the movable workbench and the travelling mechanism, the movable workbench is connected with a B-axis power device which drives the movable workbench to rotate around a vertical rotating shaft, a tool magazine is further arranged on the lower side of the electric spindle, and the electric spindle is further connected with a self-locking mechanism.
Preferably, the upper side of the movable workbench is flush with the upper side of the fixed workbench.
Preferably, the upper sides of the movable workbench and the fixed workbench are respectively provided with a clamp.
Preferably, the fixture comprises a fixture base and clamping jaws symmetrically arranged on two sides of the fixture base, a clamping jaw screw rod horizontally arranged is rotatably mounted on the fixture base, threads rotating to different directions are arranged at two ends of the clamping jaw screw rod, a threaded hole matched with the thread of one end corresponding to the clamping jaw screw rod is formed in the lower portion of each clamping jaw, and the clamping jaw screw rod is connected with a clamping motor driving the clamping jaw screw rod to rotate.
Preferably, the traveling mechanism comprises an x-axis translation mechanism, a z-axis translation mechanism and a y-axis lifting mechanism, the x-axis translation mechanism is installed on the z-axis translation mechanism, the z-axis translation mechanism translates along the direction close to or far away from the movable workbench, the x-axis translation mechanism and the z-axis translation mechanism both translate in the horizontal plane and have mutually vertical moving directions, the y-axis lifting mechanism is installed on the x-axis lifting mechanism, and the electric spindle is installed on the y-axis lifting mechanism.
Preferably, the B-axis power device is connected with an A-axis servo motor, an output shaft of the A-axis servo motor is arranged along the x-axis direction, and the B-axis power device is connected with the output shaft of the A-axis servo motor and synchronously rotates along with the output shaft of the A-axis servo motor.
Preferably, the B-axis power device is a B-axis servo motor, the B-axis servo motor is arranged on the lower side of the movable workbench, an output shaft of the B-axis servo motor is vertically arranged upwards, and the movable workbench is arranged on the output shaft of the B-axis servo motor and synchronously rotates along with the output shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. this compound longmen machining center's of duplex position turn-milling running gear drives the motion of electric main shaft to the translation in the electric main shaft space has been realized, when the work piece that the structure is complicated needs to be processed, with the work piece clamping on movable table processing can, when carrying out the higher plane of required precision and milling or sculpture and mill, with the work piece clamping on fixed table can, the machining precision of work piece has been guaranteed, and the processing mode is selected as required, high durability and convenient use, movable table is connected with and drives its pivoted B axle power device, be provided with self-lock device on the electric main shaft, thereby can enough realize milling, can realize the turning of work piece again, the hobbing, insert action such as inside and outside keyway, make machining center's function more diversified.
2. The upper sides of the movable workbench and the fixed workbench are parallel and level, so that the workpiece can be conveniently adjusted after being clamped.
3. The both ends of clamping jaw lead screw are equipped with and revolve to different screw threads to the clamping jaw that can promote both sides removes to opposite direction in step, can enough quick clamp or loosen the work piece, can also guarantee to lie in the activity workstation middle part behind the work piece clamping, guarantees that the activity workstation rotates steadily.
4. The B-axis power device is arranged on an output shaft of the A-axis servo motor, so that the movable workbench can rotate around an x axis, and five-axis linkage of a machining center is realized.
5. The B-axis servo motor is directly connected with the movable workbench, so that high transmission accuracy can be ensured.
Drawings
Fig. 1 is a schematic front view of a double-station turning and milling composite gantry machining center.
Fig. 2 is a schematic right view of the double-station turning and milling composite gantry machining center.
Fig. 3 is a schematic top view of the double-station turning and milling composite gantry machining center.
Fig. 4 is a schematic diagram of the relative positions of the fixed table and the movable table.
Fig. 5 is a schematic view of the installation of the movable table.
Fig. 6 is a front cross-sectional view of the clip.
Fig. 7 is a front cross-sectional view of the tool magazine.
Fig. 8 is a schematic top view of the magazine.
Fig. 9 is a front view of the electric spindle.
In the figure: 1. the device comprises a rack 2, a fixed workbench 3, an A-axis servo motor 4, a B-axis servo motor 5, a z-axis translation table 6, an x-axis translation table 7, a y-axis lifting table 8, a z-axis guide rail 9, a z-axis servo motor 10, an x-axis servo motor 11, an x-axis lead screw 12, a y-axis servo motor 13, a y-axis lead screw 14, an electric spindle 15, a tool magazine 16, a z-axis lead screw 17, a portal frame 18, a clamp base 19, a clamping jaw 20, a clamping jaw lead screw 21, a workpiece 22, a mounting frame 23, a tool magazine servo motor 24, a tool magazine mounting disc 25, a tool magazine tool rest 26, a mounting cylinder 27, a stator coil 28, a locking disc 29, an end cover 30 and an electric spindle tool.
Detailed Description
Fig. 1 to 9 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 9.
The utility model provides a compound longmen machining center of duplex position turn-milling, including running gear, electric main shaft 14, movable table and fixed station 2, running gear links to each other with electric main shaft 14 and drives electric main shaft 14 and remove, the vertical setting of electric main shaft 14, movable table and fixed station 2 all set up at electric main shaft 14 downside, fixed station 2 sets up between movable table and running gear, movable table is connected with and drives its B axle power device around vertical pivot pivoted, electric main shaft 14's downside still is provided with tool magazine 15, electric main shaft 14 still is connected with self-locking mechanism. This running gear of compound longmen machining center of duplex position turn-milling drives electric main shaft 14 motion to translation in the electric main shaft 14 space has been realized, when the work piece 21 that needs the processing structure complicacy, with the work piece 21 clamping on the movable table processing can, when carrying out the higher plane of required precision and milling or sculpture and mill, with the work piece 21 clamping on fixed table 2 can, the machining precision of work piece 21 has been guaranteed, and the processing mode is selected as required, high durability and convenient use, the movable table is connected with and drives its pivoted B axle power device, be provided with self-lock device on the electric main shaft 14, thereby can enough realize milling, can realize actions such as turning of work piece 21 again, the hobbing, insert inside and outside keyway, make the function of machining center more diversified.
The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.
The movement in the horizontal plane along the front-back direction of the machining center in the attached drawing 1 of the specification is defined as a z-axis, the movement in the horizontal plane along the left-right direction of the machining center in the attached drawing 1 of the specification is defined as an x-axis, the vertical direction is defined as a y-axis, the rotation of the movable table around the y-axis is defined as a B-axis, and the rotation along the x-axis is defined as an a-axis.
Specifically, the method comprises the following steps: as shown in FIGS. 1 to 5: the traveling mechanism comprises an x-axis translation mechanism, a z-axis translation mechanism and a y-axis lifting mechanism, the x-axis translation mechanism is installed on the z-axis translation mechanism, the z-axis translation mechanism translates along the direction close to or far away from the movable workbench, the x-axis translation mechanism and the z-axis translation mechanism both translate in the horizontal plane and have mutually vertical moving directions, the y-axis lifting mechanism is installed on the x-axis lifting mechanism, and the electric spindle 14 is installed on the y-axis lifting mechanism.
The machining center further comprises a rack 1, the electric spindle 14 is installed on a y-axis lifting mechanism, the y-axis lifting mechanism drives the electric spindle 14 to vertically lift, the y-axis lifting mechanism is installed on an x-axis translation mechanism, the x-axis translation mechanism drives the y-axis lifting mechanism to move along the x-axis direction, the x-axis translation mechanism is installed on a z-axis translation mechanism, the z-axis translation mechanism drives the x-axis translation mechanism to translate along the z-axis direction, and the z-axis translation mechanism is installed on the rack 1.
Still install A axle servo motor 3 in the frame 1, A axle servo motor 3 sets up in the front side middle part of frame 1 along the z axle direction, and A axle servo motor 3's output shaft sets up along the x axle direction, and B axle power device installs on A axle servo motor 3's output shaft, and B axle power device is B axle servo motor 4, and B axle servo motor 4's output shaft vertical setting up. The movable workbench is arranged on the B-axis servo motor 4 and is horizontally arranged, and a clamp is arranged on the movable workbench. The output shaft of the A-axis servo motor 3 is directly connected with the B-axis servo motor 4, and the output shaft of the B-axis servo motor 4 is directly connected with the movable workbench, so that the transmission accuracy is ensured.
The upside of frame 1 still is provided with fixed work platform 2, and fixed work platform 2 is the granite material, and 2 precision height of fixed work platform of granite material do not warp, and intensity is high, and hardness is high. The front side middle part of fixed station 2 is provided with the recess of indent, and the setting of activity workstation is in the recess, and the upside of fixed station 2 is parallel and level with the upside of activity workstation. The fixture is also mounted on the stationary table 2.
The upper side of the rack 1 is also provided with a portal frame 17 in a sliding manner, the portal frame 17 is arranged on the upper side of the fixed workbench 2, the portal frame 17 is vertically arranged, and the plane where the portal frame 17 is located is vertical to the z axis. The upper side of the rack 1 is provided with two z-axis guide rails 8 arranged along the z-axis direction, the two z-axis guide rails 8 are symmetrically arranged on two sides of the rack 1, two sides of the portal frame 17 are respectively provided with z-axis sliding grooves matched with the z-axis guide rails 8 on the corresponding sides, and two sides of the portal frame 17 are respectively slidably arranged on the z-axis guide rails on the corresponding sides. And a z-axis translation table 5 is installed on the upper side of the portal frame 17, the z-axis translation table 5 is arranged along the x-axis direction, and the z-axis translation table 5 and the portal frame 17 are arranged in the same vertical plane and keep synchronous movement with the portal frame 17.
The z-axis transmission mechanism comprises z-axis servo motors 9 and z-axis lead screws 16, the z-axis lead screws 16 are arranged along the z-axis direction, the two z-axis lead screws 16 are symmetrically arranged on the lower portion of one corresponding side of the portal frame 17, two ends of each z-axis lead screw 16 are rotatably arranged on the rack 1, z-axis nuts meshed with the z-axis lead screws 16 are arranged on the lower portions of two sides of the portal frame 17, the z-axis servo motors 9 are arranged on the rack 1, the z-axis servo motors 9 correspond to the z-axis lead screws 16 one by one, output shafts of the z-axis servo motors 9 are coaxially connected with the z-axis lead screws 16 and keep synchronous rotation, the x-axis translation mechanism is arranged on the z-axis translation table 5, movement of the x-axis translation mechanism along the z-axis direction is further achieved, and the portal frame 17 is pushed by the two z-axis lead screws 16 and the two z-axis servo motors 9. The tool magazine 15 is arranged in the middle of the portal frame 17.
Z axle translation platform 5 is the granite material, and granite material is organic for the deformation to guarantee that x axle translation mechanism and y axle elevating system remove steadily, and the precision is high. One side that z axle translation platform 5 is close to the movable table is provided with the x axle guide rail, and the x axle guide rail sets up along the x axle direction, and the x axle guide rail interval is provided with two from top to bottom, and the front side of z axle translation platform 5 is provided with x axle translation platform 6, and the rear side of x axle translation platform 6 is provided with the x axle spout with two x axle guide rail matched with, and x axle translation platform 6 passes through the spout slidable mounting of rear side on the x axle guide rail.
The x-axis translation mechanism comprises an x-axis servo motor 10 and an x-axis screw rod 11, the x-axis screw rod 11 is horizontally arranged at the middle part of the front side of the z-axis translation table 5 along the x-axis direction, two ends of the x-axis screw rod 11 are rotatably arranged on the z-axis translation table 5, the rear side of the x-axis translation table 6 is provided with an x-axis nut matched with the x-axis screw rod 11, the x-axis servo motor 10 is arranged on one side of the z-axis translation table 5, an output shaft of the x-axis servo motor 10 is coaxially connected with the x-axis screw rod 11 and drives the x-axis screw rod 11 to rotate, and therefore translation of the x-axis translation table 6 along the x-axis.
One side that x axle translation platform 6 is close to the movable table is provided with y axle elevating platform 7, and the front side of x axle translation platform 6 is provided with the y axle guide rail of vertical setting, and the y axle guide rail has the symmetry to set up two in x axle translation platform 6 both sides, and the rear side of y axle elevating platform 7 is provided with the y axle spout with y axle guide rail matched with, and y axle elevating platform 7 passes through spout slidable mounting on y axle guide rail.
y-axis elevating system includes y-axis servo motor 12 and y-axis lead screw 13, the vertical setting of y-axis lead screw 13 is between x-axis translation platform 6 and y-axis elevating platform 7, the vertical setting of y-axis lead screw 13 is at the middle part of x-axis translation platform 6, the both ends of y-axis lead screw 13 are rotated and are installed on x-axis translation platform 6, y-axis servo motor 12 sets up the upside at x-axis translation platform 6, the vertical setting down of output shaft of y-axis servo motor 12, the output shaft of y-axis servo motor 12 is connected with y-axis lead screw coaxial coupling and drives its rotation, and then realized the lift of y-axis elevating platform 7. The electric spindle 14 is vertically arranged at the front side of the y-axis lifting table 7 and synchronously lifted along with the y-axis lifting table 7.
As shown in fig. 6: anchor clamps include anchor clamps base 18, clamping jaw 19 and clamping jaw lead screw 20, anchor clamps base 18 is discoid, anchor clamps base 18's downside is provided with the screw hole of fixing with activity workstation or fixed station 2, clamping jaw 19 has the symmetry to set up two in anchor clamps base 18 both sides, clamping jaw 19 slidable mounting is in one side that anchor clamps base 18 corresponds, clamping jaw lead screw 20 level sets up, clamping jaw lead screw 20's mid-rotation is installed at anchor clamps base 18 upside, clamping jaw lead screw 20's both ends are provided with the screw thread of turning to difference soon, every clamping jaw 19's lower part all is provided with the screw hole that meshes mutually with the one end that clamping jaw lead screw 20 corresponds, clamping jaw lead screw 20 is connected with and drives its pivoted clamping motor, clamping motor is servo.
An allowance opening is formed in the inner side of the upper end of each clamping jaw 19, so that a loading part is formed at the upper part of each clamping jaw 19, two ends of a workpiece 21 are loaded on the loading part, and the workpiece 21 is clamped through two sides of the upper end of each clamping jaw 19, so that the workpiece 21 is firmly clamped.
As shown in FIGS. 7 to 8: the tool magazine 15 comprises a mounting frame 22 and a tool magazine mounting disc 24, the tool magazine mounting disc 24 is a horizontally arranged disc, the tool magazine mounting disc 24 is arranged on the upper side of the mounting frame 22, and the tool magazine mounting disc 24 is rotatably mounted on the upper side of the mounting frame 22. A tool magazine servo motor 23 is installed between the installation frame 22 and the tool magazine installation disc 24, an output shaft of the tool magazine servo motor 23 is vertically arranged upwards, and an output shaft of the tool magazine servo motor 23 is coaxially connected with the tool magazine installation disc 24 and drives the tool magazine servo motor to rotate, so that the replacement of a tool of the electric spindle 14 is realized. A plurality of tool magazine tool rests 25 are evenly distributed at intervals on the upper side of the tool magazine mounting disc 24, the tool mounting portions of the tool magazine tool rests 25 are arranged outside the tool magazine mounting disc 24, and the tool magazine tool rests 25 are arranged in the radial direction of the tool magazine mounting disc 24. The tool magazine servo motor 23 is directly connected with the tool magazine mounting disc 24, so that high transmission precision is ensured, and alignment of the electric spindle 14 and the corresponding tool magazine tool rest 25 during tool changing is further ensured.
The coaxial discoid tray that is provided with of downside of tool magazine mounting disc 24, the tray setting is connected at tool magazine mounting disc 24's downside and with tool magazine mounting disc 24 detachable, the downside of tray is provided with vertical connecting axle, the connecting axle passes through the bearing and is connected with mounting bracket 22 rotation, tool magazine servo motor 23's output shaft vertical setting up, tool magazine servo motor 23's output shaft and connecting axle coaxial coupling keep synchronous rotation, make tool magazine mounting disc simple to operate, and make things convenient for tool magazine mounting disc 24 to link to each other with tool magazine servo motor 23.
As shown in fig. 9: electricity main shaft 14 is including installation section of thick bamboo 26, stator coil 27 and rotor, installation section of thick bamboo 26 is the drum of vertical setting, the equal open setting in upper and lower both ends of installation section of thick bamboo 26, stator coil 27 is coaxial to be set up at installation section of thick bamboo 26 middle part, and stator coil 27 and the inner wall fixed connection of installation section of thick bamboo 26, rotor coaxial arrangement is in installation section of thick bamboo 26, the middle part of rotor is provided with the rotor coil with stator coil 27 matched with, the upper end of rotor is passed through the bearing and is connected with the upper end rotation of installation section of thick bamboo 26, the lower extreme of rotor passes through the bearing and is connected with the lower extreme rotation of installation section of thick bamboo 26. The upper end and the lower end of the rotor are both provided with two bearings.
The lower end of the installation cylinder 26 is coaxially provided with an end cover 29, the diameter of the end cover 29 is larger than that of the installation cylinder 26, a through hole is formed in the middle of the end cover 29, the lower end of the rotor penetrates through the through hole and extends downwards, and two bearings at the lower end of the rotor are arranged on the upper side and the lower side of the end cover 29 respectively, so that the rotor is firmly connected with the installation cylinder 26 and the end cover 29, and the rotor is prevented from moving axially. The lower end of the rotor is coaxially mounted with an electric spindle tool holder 30.
The self-locking mechanism comprises a locking disc 28 and a brake band, the locking disc 28 is coaxially arranged on the upper portion of the rotor, and the locking disc 28 is arranged in the upper portion of the mounting cylinder 26. One end of the brake band is fixedly connected with the inner wall of the mounting cylinder 26, the other end of the brake band is provided with a locking power device, the brake band is arranged around the locking disc 28, and the locking power device carries out self-locking on the locking disc 28 through the brake band, so that the electric spindle 14 realizes self-locking.
The locking power device is a locking servo motor, an output shaft of the locking servo motor is coaxially connected with a locking shaft, the brake band is fixedly connected with the side part of the locking shaft, and the locking servo motor drives the locking shaft to rotate, so that the brake band is wound on the locking shaft, and the locking of the locking disc 28 is further realized. The locking power device can also be a locking oil cylinder or a locking air cylinder, and a piston rod of the locking oil cylinder or the locking air cylinder is connected with the brake band, so that the locking disc 28 is locked through the brake band.
The rotating speed of the electric spindle 14 is 0-30000r/minThe rotating speed of the movable workbench is 0-2000r/minAnd the A-axis servo motor 3 and the B-axis servo motor 4 can also realize self-locking. When the electric spindle 14 is self-locked, the B-axis servo motor 4 rotates to realize a turning function, when the electric spindle 14 drives the cutter to rotate, the B-axis servo motor 4 stops rotating and realizes self-locking, a milling function can be realized, the electric spindle 14 can clamp a gear hob to realize a hobbing function, the electric spindle 14 can also clamp a key cutter to realize the function of inserting an inner key groove and an outer key groove, and the electric spindle 14 can also realize the function of external grinding or plane grinding when rotating at a high speed.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a compound longmen machining center of duplex position turnning and milling which characterized in that: including running gear, electricity main shaft (14), movable table and fixed station (2), running gear links to each other and drives electricity main shaft (14) and remove with electricity main shaft (14), the vertical setting of electricity main shaft (14), movable table and fixed station (2) all set up at electricity main shaft (14) downside, fixed station (2) set up between movable table and running gear, movable table is connected with and drives its B axle power device around vertical pivot pivoted, the downside of electricity main shaft (14) still is provided with tool magazine (15), electricity main shaft (14) still are connected with self-locking mechanism.
2. The double-station turn-milling composite gantry machining center according to claim 1, characterized in that: the upper side of the movable workbench is flush with the upper side of the fixed workbench (2).
3. The double-station turn-milling composite gantry machining center according to claim 1 or 2, characterized in that: the upper sides of the movable workbench and the fixed workbench (2) are respectively provided with a clamp.
4. The double-station turn-milling composite gantry machining center according to claim 3, characterized in that: the fixture comprises a fixture base (18) and clamping jaws (19) symmetrically arranged on two sides of the fixture base (18), a clamping jaw lead screw (20) horizontally arranged is rotatably mounted on the fixture base (18), threads which are different in turning direction are arranged at two ends of the clamping jaw lead screw (20), a threaded hole matched with the thread of one end corresponding to the clamping jaw lead screw (20) is formed in the lower portion of each clamping jaw (19), and the clamping jaw lead screw (20) is connected with a clamping motor driving the clamping jaw lead screw to rotate.
5. The double-station turn-milling composite gantry machining center according to claim 1, characterized in that: the traveling mechanism comprises an x-axis translation mechanism, a z-axis translation mechanism and a y-axis lifting mechanism, the x-axis translation mechanism is installed on the z-axis translation mechanism, the z-axis translation mechanism translates along the direction close to or far away from the movable workbench, the x-axis translation mechanism and the z-axis translation mechanism both translate in the horizontal plane and have mutually vertical moving directions, the y-axis lifting mechanism is installed on the x-axis lifting mechanism, and the electric spindle (14) is installed on the y-axis lifting mechanism.
6. The double-station turn-milling composite gantry machining center according to claim 1, characterized in that: the B-axis power device is connected with an A-axis servo motor (3), an output shaft of the A-axis servo motor (3) is arranged along the x-axis direction, and the B-axis power device is connected with an output shaft of the A-axis servo motor (3) and synchronously rotates along with the output shaft.
7. The double-station turn-milling composite gantry machining center according to claim 1 or 6, characterized in that: the B-axis power device is a B-axis servo motor (4), the B-axis servo motor (4) is arranged on the lower side of the movable workbench, an output shaft of the B-axis servo motor (4) is vertically arranged upwards, and the movable workbench is arranged on the output shaft of the B-axis servo motor (4) and synchronously rotates along with the output shaft.
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CN201811094673.2A CN110919368A (en) | 2018-09-19 | 2018-09-19 | Double-station turning and milling composite gantry machining center |
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CN113118792A (en) * | 2021-03-31 | 2021-07-16 | 北京精雕科技集团有限公司 | Vertical and horizontal combined double-station composite machine tool |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113118792A (en) * | 2021-03-31 | 2021-07-16 | 北京精雕科技集团有限公司 | Vertical and horizontal combined double-station composite machine tool |
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