CN212265154U - Movable beam gantry type five-axis linkage machining center - Google Patents
Movable beam gantry type five-axis linkage machining center Download PDFInfo
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- CN212265154U CN212265154U CN202021966610.4U CN202021966610U CN212265154U CN 212265154 U CN212265154 U CN 212265154U CN 202021966610 U CN202021966610 U CN 202021966610U CN 212265154 U CN212265154 U CN 212265154U
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Abstract
The utility model relates to a moving beam gantry type five-axis linkage machining center, which is provided with five axes on a machine tool, wherein a Y-axis mechanism comprises a cross beam and a pair of Y-axis units arranged on the machine tool, the cross beam is erected on a Y-axis guide rail, and a Y-axis motor drives a screw rod transmission unit to drive the cross beam to move back and forth along the Y axis; the X-axis mechanism comprises a carriage and a pair of X-axis units arranged on a front panel of the cross beam, the carriage is arranged on an X-axis guide rail, and the X-axis motor drives the screw rod transmission unit to drive the carriage to move left and right along the X axis; the Z-axis mechanism comprises a ram, a screw rod transmission unit on the carriage and a pair of Z-axis guide rails, the ram slides along the Z-axis guide rails, and a Z-axis motor drives the screw rod transmission unit to drive the ram and the main shaft to move up and down along the Z axis; a workbench provided with a cradle rotary table is arranged below the main shaft, the cradle rotary table rotates around a central rotating shaft of the workbench to form a C-axis mechanism, and the cradle rotary table rotates to form an A-axis mechanism; the tool magazine device is used for the main shaft to change tools. Has the advantages of simple structure and large bearing capacity.
Description
Technical Field
The utility model relates to a walking beam planer-type five-axis linkage machining center.
Background
The five-axis linkage machine tool is a landmark product of numerical control machine tool manufacturing technology, and is the technology with the greatest difficulty and the widest application range in the numerical control technology. The five-axis machining technology is internationally used as a national industrialization level mark. The machine tool integrates computer control, high-performance servo drive and precision machining technologies, is applied to efficient, precise and automatic machining of complex curved surfaces, is used for generating machine tools with various configurations, such as an aerospace five-axis machining center, a high-precision five-axis die numerical control machine tool, a five-axis linkage engraving machine and the like, and is key machining equipment which is urgently needed by civil industries and military industry departments such as ships, aerospace, dies, high-precision instruments and the like.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists, a walking beam planer-type five-axis linkage machining center that simple structure, bearing capacity are big is provided.
The purpose of the utility model is realized like this: the machine tool is an integral-structure machine tool body with a left vertical plate and a right vertical plate; the Y-axis mechanism comprises a cross beam and Y-axis units arranged on the left vertical plate and the right vertical plate, the Y-axis units comprise lead screw transmission units and Y-axis guide rails, the cross beam is erected on the Y-axis guide rails along the X axis, and the lead screw transmission units arranged along the Y axis are driven by a Y-axis motor to drive the cross beam to move back and forth along the Y axis; the X-axis mechanism comprises a dragging plate and an X-axis unit arranged on the upper side and the lower side of the front panel of the cross beam, the X-axis unit comprises a screw rod transmission unit and an X-axis guide rail, the dragging plate is arranged on the X-axis guide rail, and the screw rod transmission unit arranged along the X axis is driven by an X-axis motor to drive the dragging plate to move left and right along the X axis; the Z-axis mechanism comprises a ram, a screw rod transmission unit arranged on the carriage along the Z axis and a pair of Z-axis guide rails arranged on the left side and the right side in front of the carriage, the ram slides along the Z-axis guide rails, and the screw rod transmission unit arranged along the Z axis is driven by a Z-axis motor to drive the ram and the main shaft to move up and down along the Z axis; a workbench is arranged below the main shaft and arranged on the cradle rotary table, the workbench rotates around a central rotating shaft of the workbench to form a C-axis mechanism, a rotating shaft of the cradle rotary table is parallel to a Y-axis, and an A-axis mechanism is formed by the rotation of the cradle rotary table; the tool magazine device is arranged at the rear part of the middle of the left vertical plate and the right vertical plate, and the main shaft moves backwards along the Y axis to a tool changing point of the tool magazine device for tool changing.
The utility model is provided with a Y-axis grating ruler, which measures the front and back travel of the beam along the Y axis through the movement of the screw nut of the screw drive unit arranged along the Y axis; the X-axis unit is provided with an X-axis grating ruler, and the X-axis grating ruler measures the left-right stroke of the carriage along the X axis through the movement of a screw rod nut of the screw rod transmission unit arranged along the X axis; the Z-axis unit is provided with a Z-axis grating ruler, and the Z-axis grating ruler measures the up-down stroke of the ram along the Z axis through the movement of a screw rod nut of the screw rod transmission unit arranged along the Z axis.
The utility model discloses, the lead screw drive unit that sets up along the Y axle, the lead screw drive unit that sets up along the X axle, the lead screw drive unit that sets up along the Z axle all include lead screw tailstock, lead screw, motor cabinet, lead screw support unit, shaft coupling, screw-nut; the screw rod tailstock and the screw rod supporting unit support and fix two ends of a screw rod respectively, the screw rod supporting unit is fixed with a motor base through screws, one end of a coupler is fixed at the head of the screw rod, and the other end of the coupler is connected with a motor.
The utility model discloses, seted up the window on left and right riser, constitute and to follow the structure of unloading in four directions in lathe dead ahead, directly over the workstation, left riser window and right riser window.
The utility model discloses, oil mist collector has been installed at left riser window or right riser window.
The utility model discloses, the crossbeam adopts hollow structure crossbeam.
The utility model discloses, add man-hour, the cutter is along Y axle seesaw, along X axle side-to-side motion, along Z axle up-and-down motion, and the work piece passes through the rotatory A axle gyration that rotates and cradle revolving stage of C axle at the workstation, constitutes five-axis linkage processing structure.
The utility model adopts a movable beam gantry type five-axis linkage machining center structure, has small occupied area and large bearing capacity, the rear end stroke is used for tool changing, the front end stroke is used for machining, and the main shaft has simple structure and good rigidity; the machine tool is made of mineral casting materials, the left vertical plate, the right vertical plate and the machine tool body are of an integral structure, a cradle type rotary worktable is arranged at the front end part of the machine tool, a tool magazine is arranged at the rear end part of the machine tool, and the rigidity of the integral structure is good; the cross beam is of a triangular cross section and is of a hollow structure, mechanical analysis software is adopted for simulation and check to guarantee strength, the weight of the cross beam is reduced, and meanwhile the loads of a transmission part and a motor in the moving direction of the cross beam are greatly reduced. In order to facilitate loading and unloading of a machine tool and consider automatic loading and unloading of a robot, the robot can load and unload materials from four directions, namely a right front side, a right upper side, a left side window of a machine tool body and a right side window of the machine tool body, wherein the left side window and the right side window of the machine tool body can be provided with outlets of an oil mist collector as required.
The following examples are further illustrative of the present invention with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the cradle-type turntable of the embodiment of FIG. 1;
fig. 3 is a schematic perspective view of the screw transmission unit of the embodiment of fig. 1.
In the figure, 1, Y-axis guide rails; 2. a Y-axis motor; 3. an X-axis guide rail; 4. an X-axis motor; 5. a Z-axis guide rail; 6. a Z-axis motor; 7. a main shaft; 8. a work table; 9. a cradle turntable; 10. a Y-axis grating scale; 11. an X-axis grating scale; 12. a screw rod tailstock; 13. a screw rod; 14. a motor base; 15. a lead screw supporting unit; 16. a coupling; 17. a feed screw nut; 18. a vertical plate; 19. a cross beam; 20. a carriage; 21. a ram; 22. a tool magazine device; 23. a Z-axis grating scale; y, Y a shaft; x, X a shaft; z, Z a shaft; C. a central rotating shaft of the worktable; A. a rotating shaft of the cradle turntable.
Detailed Description
Referring to fig. 1 to 3, the present embodiment is a gantry type five-axis linkage machining center with a movable beam, which includes a machine tool, a Y-axis mechanism, an X-axis mechanism, a Z-axis mechanism, a main shaft, a C-axis mechanism, an a-axis mechanism, and a tool magazine device, wherein the machine tool is an integral structure lathe bed with a left vertical plate 18 and a right vertical plate 18; the Y-axis mechanism comprises a cross beam 19 and Y-axis units arranged on the left vertical plate and the right vertical plate, the Y-axis units comprise screw rod transmission units and Y-axis guide rails 1, the cross beam is erected on the Y-axis guide rails along the X axis, and the screw rod transmission units arranged along the Y axis are driven by a Y-axis motor 2 to drive the cross beam to move back and forth along the Y axis; the X-axis mechanism comprises a carriage 20 and X-axis units arranged on the upper side and the lower side of the front panel of the cross beam, the X-axis units comprise lead screw transmission units arranged along the X axis and X-axis guide rails 3, the carriage is arranged on the X-axis guide rails, and the X-axis motor 4 drives the lead screw transmission units arranged along the X axis to drive the carriage to move left and right along the X axis; the Z-axis mechanism comprises a ram 21, a screw rod transmission unit arranged on the carriage along the Z axis and a pair of Z-axis guide rails 5 arranged on the left side and the right side in front of the carriage, the ram slides along the Z-axis guide rails, and the screw rod transmission unit arranged along the Z axis is driven by a Z-axis motor 6 to drive the ram and a main shaft 7 to move up and down along the Z axis; a workbench 8 is arranged below the main shaft, the workbench is arranged on a cradle turntable 9, the workbench rotates around a central rotating shaft C of the workbench to form a C-axis mechanism, a rotating shaft A of the cradle turntable is parallel to a Y-axis, and an A-axis mechanism is formed by the rotation of the cradle turntable; the tool magazine device 22 is arranged at the rear part of the middle of the left vertical plate and the right vertical plate, and the main shaft moves backwards along the Y axis to a tool changing point of the tool magazine device for tool changing; the Y-axis unit is provided with a Y-axis grating ruler 10, and the Y-axis grating ruler measures the front and back travel of the cross beam along the Y axis through the movement of a screw rod nut of the screw rod transmission unit arranged along the Y axis; the X-axis unit is provided with an X-axis grating ruler 11, and the X-axis grating ruler measures the left-right stroke of the carriage along the X axis through the movement of a screw rod nut of the screw rod transmission unit arranged along the X axis; the Z-axis unit is provided with an X-axis grating ruler 23, and the Z-axis grating ruler measures the up-down stroke of the ram along the Z axis through the movement of a screw rod nut of the screw rod transmission unit arranged along the Z axis; the screw rod transmission unit arranged along the Y axis, the screw rod transmission unit arranged along the X axis and the screw rod transmission unit arranged along the Z axis respectively comprise a screw rod tailstock 12, a screw rod 13, a motor base 14, a screw rod supporting unit 15, a coupler 16 and a screw rod nut 17; the screw rod tailstock and the screw rod supporting unit respectively support and fix two ends of a screw rod, the screw rod supporting unit is fixed with the motor base through screws, one end of the coupler is fixed at the head of the screw rod, and the other end of the coupler is connected with the motor; the left vertical plate and the right vertical plate are provided with windows to form a structure which can feed and discharge from four directions of the right front part of the machine tool, the right upper part of the workbench, the left vertical plate window and the right vertical plate window; an oil mist collector is arranged on the left vertical plate window or the right vertical plate window; the cross beam is a hollow structure.
In the working process of the embodiment, referring to fig. 1, the bottom of the machine tool is leveled by five sizing blocks, the upper surfaces of the left vertical plate and the right vertical plate are respectively provided with a Y-axis guide rail, a screw rod transmission unit and a Y-axis grating ruler which are arranged along the Y axis, a Y-axis motor is connected with a coupler of the Y-axis screw rod transmission unit, a cross beam is erected on the Y-axis guide rail along the X axis and is connected with screw nuts on two sides by screws, and the Y-axis motor drives the screw rod nut of the screw rod transmission unit to drive the cross beam to move back and forth along the Y. The X-axis mechanism is arranged on the front panel of the cross beam, the carriage is arranged on a pair of X-axis guide rails and connected by screws, a pair of screw rod transmission units arranged along the X axis are distributed in parallel up and down, and an X-axis motor is connected with a coupler of the X-axis screw rod transmission unit; the carriage is connected with a screw nut of the X-axis screw transmission unit through a screw, and the screw nut drives the carriage to move left and right along the X axis under the drive of the X-axis motor. The Z-axis is positioned on the carriage, the pair of Z-axis guide rails are arranged in parallel right in front of the carriage, the ram is arranged on the pair of Z-axis guide rails, the Z-axis motor and the Z-axis screw rod transmission unit are arranged in the middle of the pair of Z-axis guide rails, the Z-axis grating ruler is positioned on the left side of the ram and fixed on the carriage by screws, and the Z-axis motor drives the Z-axis screw rod transmission unit positioned on the back of the ram to drive the Z-axis screw rod transmission unit to move up and down along. The cradle turntable is arranged at the front end of the machine tool, a rotating shaft A of the cradle turntable is parallel to a Y axis, and an A axis mechanism is formed by the rotation of the cradle turntable; the worktable surface of the worktable can rotate along a central axis, which is defined as a C axis. The tool magazine is of a disc structure, is arranged at the rear part in the middle of the bed body and is staggered with the cradle rotary table in a vertically layered mode, and tool holders of the tool magazine are distributed on the circumference and can rotate along with the disc. The main shaft is installed at the lower extreme of ram, and during the tool changing, the crossbeam moves backward along the Y axle earlier, makes the main shaft get into tool magazine tool changing region, and then the main shaft removes to tool magazine tool changing point according to the tool changing instruction and carries out the tool changing, and finally, the crossbeam moves forward along the Y axle, makes the main shaft withdraw from the tool changing region.
The utility model discloses, add man-hour, the cutter is along Y axle seesaw, along X axle side-to-side motion, along Z axle up-and-down motion, and the work piece passes through the rotatory A axle gyration that rotates and cradle revolving stage of C axle at the workstation, constitutes five-axis linkage processing structure.
The utility model discloses, X axle and Y axle adopt bi-motor, two grating chi closed-loop control, and the system adopts series position control to guarantee the synchronism of two electricity, realizes the high torque output and the high dynamic response of X axle and Y axle.
Claims (7)
1. The utility model provides a five-axis linkage machining center of walking beam planer-type which characterized in that:
the machine tool comprises a machine tool, a Y-axis mechanism, an X-axis mechanism, a Z-axis mechanism, a main shaft, a C-axis mechanism, an A-axis mechanism and a tool magazine device, wherein the machine tool is an integral-structure machine tool body with a left vertical plate (18) and a right vertical plate (18);
the Y-axis mechanism comprises a cross beam (19) and Y-axis units arranged on the left vertical plate and the right vertical plate, the Y-axis units comprise screw rod transmission units and Y-axis guide rails (1) which are arranged along the Y axis, the cross beam is erected on the Y-axis guide rails along the X axis, and the screw rod transmission units arranged along the Y axis are driven by a Y-axis motor (2) to drive the cross beam to move back and forth along the Y axis (Y);
the X-axis mechanism comprises a carriage (20) and X-axis units arranged on the upper side and the lower side of the front panel of the cross beam, the X-axis units comprise screw rod transmission units and X-axis guide rails (3) which are arranged along the X axis, the carriage is arranged on the X-axis guide rails, and the X-axis motor (4) drives the screw rod transmission units arranged along the X axis to drive the carriage to move left and right along the X axis (X);
the Z-axis mechanism comprises a ram (21), a screw rod transmission unit arranged on the carriage along the Z axis and a pair of Z-axis guide rails (5) arranged on the left side and the right side in front of the carriage, the ram slides along the Z-axis guide rails, and a Z-axis motor (6) drives the screw rod transmission unit arranged along the Z axis to drive the ram and a main shaft (7) to move up and down along the Z axis (Z);
a workbench (8) is arranged below the main shaft, the workbench is arranged on a cradle rotary table (9), the workbench rotates around a central rotating shaft (C) of the workbench to form a C-axis mechanism, a rotating shaft (A) of the cradle rotary table is parallel to a Y axis, and an A-axis mechanism is formed by the rotation of the cradle rotary table;
the tool magazine device (22) is arranged at the rear part of the middle of the left vertical plate and the right vertical plate, and the main shaft moves backwards along the Y axis to a tool changing point of the tool magazine device for tool changing.
2. The walking beam gantry type five-axis linkage machining center according to claim 1, characterized in that: the Y-axis unit is provided with a Y-axis grating ruler (10), and the Y-axis grating ruler measures the front and back travel of the cross beam along the Y axis through the movement of a screw rod nut of the screw rod transmission unit arranged along the Y axis; the X-axis unit is provided with an X-axis grating ruler (11), and the X-axis grating ruler measures the left-right stroke of the carriage along the X axis through the movement of a screw rod nut of the screw rod transmission unit arranged along the X axis; the Z-axis unit is provided with a Z-axis grating ruler (23), and the Z-axis grating ruler measures the up-down stroke of the ram along the Z axis through the movement of a screw rod nut of the screw rod transmission unit arranged along the Z axis.
3. The walking beam gantry type five-axis linkage machining center according to claim 1, characterized in that: the screw rod transmission unit arranged along the Y axis, the screw rod transmission unit arranged along the X axis and the screw rod transmission unit arranged along the Z axis respectively comprise a screw rod tailstock (12), a screw rod (13), a motor base (14), a screw rod supporting unit (15), a coupler (16) and a screw rod nut (17); the screw rod tailstock and the screw rod supporting unit support and fix two ends of a screw rod respectively, the screw rod supporting unit is fixed with a motor base through screws, one end of a coupler is fixed at the head of the screw rod, and the other end of the coupler is connected with a motor.
4. The walking beam gantry type five-axis linkage machining center according to claim 1, characterized in that: the left vertical plate and the right vertical plate are provided with windows to form a structure capable of feeding and discharging from four directions of the right front part of the machine tool, the right upper part of the workbench, the left vertical plate window and the right vertical plate window.
5. The walking beam gantry type five-axis linkage machining center according to claim 1, characterized in that: the window of the left vertical plate or the window of the right vertical plate is provided with an oil mist collector.
6. The walking beam gantry type five-axis linkage machining center according to claim 1, characterized in that: the cross beam is a hollow structure cross beam.
7. The walking beam gantry type five-axis linkage machining center according to claim 1, characterized in that: during machining, the cutter moves back and forth along the Y axis, moves left and right along the X axis and moves up and down along the Z axis, and the workpiece rotates on the workbench through the rotation of the C axis and the rotation of the A axis of the cradle turntable to form a five-axis linkage machining structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021966610.4U CN212265154U (en) | 2020-09-10 | 2020-09-10 | Movable beam gantry type five-axis linkage machining center |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021966610.4U CN212265154U (en) | 2020-09-10 | 2020-09-10 | Movable beam gantry type five-axis linkage machining center |
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| CN212265154U true CN212265154U (en) | 2021-01-01 |
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| CN202021966610.4U Active CN212265154U (en) | 2020-09-10 | 2020-09-10 | Movable beam gantry type five-axis linkage machining center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752045A (en) * | 2021-08-20 | 2021-12-07 | 东台市欧力传动部件有限公司 | Double-guide-rail enclosed gantry type three-axis sliding table |
-
2020
- 2020-09-10 CN CN202021966610.4U patent/CN212265154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752045A (en) * | 2021-08-20 | 2021-12-07 | 东台市欧力传动部件有限公司 | Double-guide-rail enclosed gantry type three-axis sliding table |
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