CN110919461A - Five-axis machining center - Google Patents
Five-axis machining center Download PDFInfo
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- CN110919461A CN110919461A CN201811094672.8A CN201811094672A CN110919461A CN 110919461 A CN110919461 A CN 110919461A CN 201811094672 A CN201811094672 A CN 201811094672A CN 110919461 A CN110919461 A CN 110919461A
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- servo motor
- power device
- translation mechanism
- machining center
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
- B23Q1/4852—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/62—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides
- B23Q1/621—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair
- B23Q1/626—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair followed perpendicularly by a single sliding pair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
- B23Q3/15713—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle
- B23Q3/1572—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means
- B23Q3/15753—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle
- B23Q3/15766—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a transfer device taking a single tool from a storage device and inserting it in a spindle the storage device comprising rotating or circulating storing means the storage means rotating or circulating in a plane perpendicular to the axis of the spindle the axis of the stored tools being arranged perpendicularly to the rotating or circulating plane of the storage means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
A five-axis machining center belongs to the technical field of machining tools. The method is characterized in that: the X-axis translation mechanism is installed on the Z-axis translation mechanism, the X-axis translation mechanism and the Z-axis translation mechanism are translated in a horizontal plane and are perpendicular to each other in moving direction, the Y-axis lifting mechanism is installed on the X-axis lifting mechanism, the electric spindle (14) is vertically installed on the Y-axis lifting mechanism, a movable workbench and a fixed workbench (2) are arranged on the lower side of the electric spindle (14), the A-axis power device is connected with the B-axis power device and drives the B-axis power device to rotate around the X-axis, and the B-axis power device is connected with the movable workbench and drives the B-axis power device to rotate around the Y-axis. The five-axis machining center realizes five-axis linkage, has high degree of freedom, can machine parts with complex structures, can realize milling, can realize actions of turning, hobbing, inserting inner and outer key grooves and the like of workpieces, and has more diversified functions.
Description
Technical Field
A five-axis 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 clamping speed of the clamp of the existing machining center is low, and in the machining process, due to the acting force between the cutter and the workpiece, the workpiece and the clamp are easy to move relatively, so that the machining precision is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the five-axis machining center overcomes the defects of the prior art, can realize five-axis linkage, is firm in workpiece clamping, and avoids relative movement between a workpiece and a clamp in the machining process.
The technical scheme adopted by the invention for solving the technical problems is as follows: the five-axis machining center is characterized in that: the X-axis translation mechanism is installed on the Z-axis translation mechanism, the X-axis translation mechanism and the Z-axis translation mechanism translate in a horizontal plane, the moving directions of the X-axis translation mechanism and the Z-axis translation mechanism are mutually vertical, the Y-axis lifting mechanism is installed on the X-axis lifting mechanism, the electric spindle is vertically installed on the Y-axis lifting mechanism, a movable workbench and a fixed workbench are arranged on the lower side of the electric spindle, the A-axis power device is connected with the B-axis power device and drives the B-axis power device to rotate around the X-axis, the B-axis power device is connected with the movable workbench and drives the B-axis power device to rotate around the Y-axis, and at least one clamp is installed on each of the fixed workbench and the movable workbench;
the fixture comprises a fixture base, clamping jaws and clamping jaw lead screws, the clamping jaws are symmetrically arranged on two sides of the fixture base, the clamping jaws are slidably mounted on the upper side of the fixture base, the clamping jaw lead screws are rotatably mounted on the clamping jaw base, two ends of each clamping jaw lead screw are respectively in threaded connection with the clamping jaws corresponding to the two sides, and the clamping jaw lead screws are connected with clamping power devices driving the clamping jaws to rotate.
Preferably, the clamping power device is a clamping motor, and the clamping jaw screw rod is connected with an output shaft of the clamping motor and synchronously rotates along with the output shaft.
Preferably, an inward yielding opening is formed in the inner side of the upper end of each clamping jaw, so that a loading part for loading workpieces is formed.
Preferably, the B-axis power device is a B-axis servo motor, the A-axis power device is an A-axis servo motor, an output shaft of the A-axis servo motor is arranged along the x-axis direction, the output shaft of the A-axis servo motor is directly connected with the B-axis servo motor, the output shaft of the B-axis servo motor is vertically arranged upwards, and the output shaft of the B-axis servo motor is directly connected with the movable workbench.
Preferably, still include the portal frame, the portal frame sets up in the fixed station upside, and z axle translation mechanism links to each other and drives its translation with the portal frame, and x axle translation mechanism installs on the portal frame.
Preferably, the z-axis translation mechanism comprises a z-axis servo motor and a z-axis screw rod, the z-axis screw rod is perpendicular to the plane where the portal frame is located, two z-axis screw rods are respectively arranged at the lower part of one side corresponding to the portal frame, z-axis nuts matched with the z-axis screw rod on the corresponding side are respectively arranged on two sides of the portal frame, and the z-axis servo motor is connected with the z-axis screw rod and drives the z-axis servo motor to synchronously rotate.
Preferably, the lower parts of the two sides of the portal frame are respectively provided with a z-axis guide rail, the z-axis guide rails are arranged in parallel with the z-axis leading screw, and the side part of the portal frame is slidably mounted on the z-axis guide rail on the corresponding side.
Compared with the prior art, the invention has the beneficial effects that:
1. this five-axis machining center has realized five-axis linkage, and the degree of freedom is high, can process the spare part that the structure is complicated, the movable table is connected with and drives its pivoted B axle power device, be provided with self-lock device on the electricity main shaft, thereby can enough realize milling, can realize actions such as the turning of work piece again, the hobbing, insert inside and outside keyway, make machining center's function more diversified, fixed work platform can be used for milling or carving of the high plane of machining precision requirement to mill, machining precision is high, further the variety of lathe function has been improved, the work piece presss from both sides tightly firmly, avoid work piece and anchor clamps relative movement in the course of working, can avoid again causing the hindrance to the processing of work piece.
2. The upper part of each clamping jaw is provided with a loading part, the two ends of each workpiece are loaded on the loading parts, and the workpieces are clamped by the two sides of the corresponding position opening, so that the workpieces are further guaranteed to be firmly clamped.
3. The B-axis servo motor is directly installed on the output shaft of the A-axis servo motor and is directly connected with the movable workbench, so that high transmission accuracy can be guaranteed.
4. The z-axis servo motor drives the z-axis lead screw to move synchronously, so that the portal frame is pushed to translate, the portal frame only can be subjected to force for pushing the portal frame to translate, component force for pushing the portal frame to move towards the side part is not generated, the machining precision of the workpiece is guaranteed, and the machining center is prevented from being hindered.
5. The Z-axis guide rails on the two sides respectively guide the two sides of the portal frame, so that the portal frame is guaranteed to linearly translate, and the high machining precision of workpieces is further guaranteed.
Drawings
Fig. 1 is a schematic front view of a five-axis machining center.
Fig. 2 is a right-view schematic diagram of the five-axis machining center.
FIG. 3 is a schematic top view of a five-axis 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.
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.
A five-axis machining center comprises an x-axis translation mechanism, a z-axis translation mechanism, a y-axis lifting mechanism, an A-axis power device, a B-axis power device and an electric spindle 14, wherein the x-axis translation mechanism is installed on the z-axis translation mechanism, the x-axis translation mechanism and the z-axis translation mechanism both translate in a horizontal plane and have mutually vertical moving directions, the y-axis lifting mechanism is installed on the x-axis lifting mechanism, the electric spindle 14 is vertically installed on the y-axis lifting mechanism, a movable workbench and a fixed workbench 2 are arranged on the lower side of the electric spindle 14, the A-axis power device is connected with the B-axis power device and drives the A-axis power device to rotate around the x-axis, the B-axis power device is connected with the movable workbench and drives the B-axis power device to rotate around the y-axis, and at least one clamp is installed on each of the fixed; the fixture comprises a fixture base 18, a clamping jaw 19 and a clamping jaw screw rod 20, wherein the clamping jaw 19 is symmetrically arranged on two sides of the fixture base 18, the clamping jaw 19 is slidably arranged on the upper side of the fixture base 18, the clamping jaw screw rod 20 is rotatably arranged on the clamping jaw base 18, two ends of the clamping jaw screw rod 20 are respectively in threaded connection with the clamping jaw 19 on the corresponding side, and the clamping jaw screw rod 20 is connected with a clamping power device for driving the clamping jaw screw rod to rotate. This five-axis machining center has realized five-axis linkage, and the degree of freedom is high, can process the spare part that the structure is complicated, the movable table is connected with and drives its pivoted B axle power device, be provided with self-lock device on the electricity main shaft 14, thereby can enough realize milling, can realize again that the turning of work piece 21, the hobbing, insert actions such as inside and outside keyway, make machining center's function more diversified, fixed work platform 2 can be used for the high plane of machining precision requirement to mill or carve and mill, machining precision is high, the variety of lathe function has further been improved, work piece 21 presss from both sides tightly firmly, avoid work piece 21 and anchor clamps relative movement in the course of working, can avoid again causing the hindrance to the processing of work piece 21.
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 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. A five-axis machining center is characterized in that: the X-axis translation mechanism is installed on the Z-axis translation mechanism, the X-axis translation mechanism and the Z-axis translation mechanism translate in a horizontal plane and the moving directions of the X-axis translation mechanism and the Z-axis translation mechanism are mutually vertical, the Y-axis lifting mechanism is installed on the X-axis lifting mechanism, the electric main shaft (14) is vertically installed on the Y-axis lifting mechanism, a movable workbench and a fixed workbench (2) are arranged on the lower side of the electric main shaft (14), the A-axis power device is connected with the B-axis power device and drives the B-axis power device to rotate around the X-axis, the B-axis power device is connected with the movable workbench and drives the B-axis power device to rotate around the Y-axis, and at least one clamp is installed on each of the fixed workbench (2) and the movable workbench;
the fixture comprises a fixture base (18), clamping jaws (19) and clamping jaw lead screws (20), the clamping jaws (19) are symmetrically arranged on two sides of the fixture base (18), the clamping jaws (19) are slidably mounted on the upper side of the fixture base (18), the clamping jaw lead screws (20) are rotatably mounted on the clamping jaw base (18), two ends of each clamping jaw lead screw (20) are respectively connected with clamping jaws (19) on corresponding sides in a threaded manner, and the clamping jaw lead screws (20) are connected with a clamping power device for driving the clamping jaw lead screws to rotate.
2. The five-axis machining center of claim 1, characterized in that: the clamping power device is a clamping motor, and a clamping jaw screw rod (20) is connected with an output shaft of the clamping motor and synchronously rotates along with the output shaft.
3. The five-axis machining center of claim 1, characterized in that: the inner side of the upper end of each clamping jaw (19) is provided with an inward yielding port, so that a loading part for loading a workpiece (21) is formed.
4. The five-axis machining center of claim 1, characterized in that: the B-axis power device is a B-axis servo motor (4), the A-axis power device is an A-axis servo motor (3), an output shaft of the A-axis servo motor (3) is arranged along the x-axis direction, an output shaft of the A-axis servo motor (3) is directly connected with the B-axis servo motor (4), an output shaft of the B-axis servo motor (4) is vertically arranged upwards, and an output shaft of the B-axis servo motor (4) is directly connected with the movable workbench.
5. The five-axis machining center of claim 1, characterized in that: the gantry type X-axis translation device is characterized by further comprising a gantry frame (17), wherein the gantry frame (17) is arranged on the upper side of the fixed workbench (2), the Z-axis translation mechanism is connected with the gantry frame (17) and drives the gantry frame to translate, and the X-axis translation mechanism is installed on the gantry frame (17).
6. The five-axis machining center of claim 5, characterized in that: the z-axis translation mechanism comprises a z-axis servo motor (9) and a z-axis lead screw (16), the z-axis lead screw (16) is perpendicular to the plane where the portal frame (17) is located, two z-axis lead screws (16) are arranged on the lower portion of one side corresponding to the portal frame (17), z-axis nuts matched with the z-axis lead screws (16) on the corresponding side are arranged on two sides of the portal frame (17) respectively, and the z-axis servo motor (9) is connected with the z-axis lead screws (16) and drives the z-axis servo motor to rotate synchronously.
7. The five-axis machining center of claim 5, characterized in that: and the lower parts of two sides of the portal frame (17) are respectively provided with a z-axis guide rail (8), the z-axis guide rails (8) are arranged in parallel with a z-axis lead screw (16), and the side part of the portal frame (17) is slidably arranged on the z-axis guide rail (8) on the corresponding side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094672.8A CN110919461A (en) | 2018-09-19 | 2018-09-19 | Five-axis machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094672.8A CN110919461A (en) | 2018-09-19 | 2018-09-19 | Five-axis machining center |
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| Publication Number | Publication Date |
|---|---|
| CN110919461A true CN110919461A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811094672.8A Pending CN110919461A (en) | 2018-09-19 | 2018-09-19 | Five-axis machining center |
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| CN (1) | CN110919461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421350A (en) * | 2020-04-08 | 2020-07-17 | 秦皇岛方华埃西姆机械有限公司 | CNC five-axis machining device for vehicle body trim strips |
| CN112428340A (en) * | 2020-10-19 | 2021-03-02 | 济南快克广宣数控机械有限公司 | Full-automatic filter plate processing production line |
-
2018
- 2018-09-19 CN CN201811094672.8A patent/CN110919461A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421350A (en) * | 2020-04-08 | 2020-07-17 | 秦皇岛方华埃西姆机械有限公司 | CNC five-axis machining device for vehicle body trim strips |
| CN112428340A (en) * | 2020-10-19 | 2021-03-02 | 济南快克广宣数控机械有限公司 | Full-automatic filter plate processing production line |
| CN112428340B (en) * | 2020-10-19 | 2022-07-15 | 济南快克广宣数控机械有限公司 | Full-automatic filter plate processing production line |
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