CN211638441U - Ultra-precise three-axis milling machine - Google Patents
Ultra-precise three-axis milling machine Download PDFInfo
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- CN211638441U CN211638441U CN201921958863.4U CN201921958863U CN211638441U CN 211638441 U CN211638441 U CN 211638441U CN 201921958863 U CN201921958863 U CN 201921958863U CN 211638441 U CN211638441 U CN 211638441U
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Abstract
The utility model relates to a lathe field, in particular to ultra-precise three-axis milling machine. The utility model adopts the technical proposal that: the utility model provides an ultra-precision three-axis milling machine, including X axle motion subassembly, Y axle motion subassembly, Z axle feeds subassembly and base subassembly, X axle motion subassembly includes the epaxial carriage apron of X, carriage apron under the X axle, X axle side carriage apron, X axle air supporting guide rail, X axle linear electric motor, Y axle motion subassembly includes the epaxial carriage apron of Y, carriage apron under the Y axle, Y axle side carriage apron, Y axle air supporting guide rail and Y axle linear electric motor, Z axle feeds the subassembly and includes the epaxial carriage apron of Z, carriage apron under the Z axle, Z axle side carriage apron, Z axle air supporting guide rail, Z axle linear electric motor and Z axle electricity main shaft, the base subassembly includes the base, the base platform. The utility model has the advantages that: the high-precision air-floating guide rail is combined with a machine tool moving part, so that the self-vibration of the machine tool is effectively reduced, the positioning precision and the repeated positioning precision of the guide rail movement are improved, and the processing precision and the processing effect of a product are improved.
Description
Technical Field
The invention relates to the field of machine tools, in particular to an ultra-precise three-axis milling machine.
Background
The vertical milling machine is a general metal cutting machine tool, the productivity is higher than that of a horizontal milling machine, and cutters such as various cylindrical milling cutters, formed milling cutters, end milling cutters, angle milling cutters and the like can be directly installed on a main shaft taper hole of the machine tool or installed through accessories. With the development of the times, the technological level is continuously improved, the requirements on the precision and the surface quality of mechanical products are also continuously improved, and the quality requirements of some high-precision mechanical products can not be obviously met by using a common machine tool. Therefore, a new technical solution should be provided to solve the above problems.
Disclosure of Invention
The invention provides an efficient and stable ultra-precise three-axis milling machine for overcoming the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
an ultra-precise three-axis milling machine comprises an X-axis motion assembly, a Y-axis motion assembly, a Z-axis feeding assembly and a base assembly, wherein the X-axis motion assembly is fixedly connected with a slide carriage on a Y axis through an X-axis air floatation guide rail;
the X-axis motion assembly comprises an X-axis upper slide carriage, an X-axis lower slide carriage matched with the X-axis upper slide carriage, an X-axis side slide carriage connected between the X-axis upper slide carriage and the X-axis lower slide carriage, an X-axis air floatation guide rail and an X-axis linear motor, wherein the X-axis linear motor is arranged on the X-axis air floatation guide rail;
the Y-axis motion assembly is fixedly arranged on the base platform and comprises a Y-axis upper slide carriage, a Y-axis lower slide carriage matched with the Y-axis upper slide carriage, a Y-axis side slide carriage connected between the Y-axis upper slide carriage and the Y-axis lower slide carriage, a Y-axis air floatation guide rail and a Y-axis linear motor, wherein the Y-axis air floatation guide rail is arranged between the Y-axis upper slide carriage and the Y-axis lower slide carriage, the Y-axis linear motor is arranged on the Y-axis air floatation guide rail, and the Y-axis upper slide carriage is fixedly connected with the Y-axis linear motor;
the Z-axis feeding assembly is arranged on the portal frame in an inverted mode, the feeding assembly comprises a Z-axis upper slide carriage, a Z-axis lower slide carriage matched with the Z-axis upper slide carriage, a Z-axis side slide carriage connected between the Z-axis upper slide carriage and the Z-axis lower slide carriage, a Z-axis air floatation guide rail, a Z-axis linear motor and a Z-axis electric main shaft, the Z-axis linear motor is arranged on the Z-axis air floatation guide rail, the Z-axis electric main shaft is fixedly arranged at the lower end part of the Z-axis air floatation guide rail through a mounting seat, a cutter can be directly or through an accessory arranged in a taper hole of the Z-axis electric main shaft, and the Z-axis upper slide carriage, the Z-axis lower slide carriage and the Z-axis side slide carriage are fixedly arranged on;
the base component comprises a base, a base platform is arranged on the base, the base platform is fixedly installed on the base, independent vibration isolators are respectively fixedly installed between the lower end faces of the four corners of the base platform and the upper end face of the base, side protection plates are respectively arranged on two sides of the base platform, an upper protection plate is arranged between the tops of the two side protection plates, and a portal frame higher than the upper protection plate by a certain height is installed on the upper protection plate.
The further technical scheme is as follows:
and the two ends of the X-axis air-floating guide rail are respectively provided with a buffer, and the buffers are fixedly arranged at the two ends of the X-axis air-floating guide rail through buffer supports.
And strip-shaped scrap blocking plates are arranged on two side edges of the slide carriage on the X axis along the length direction of the slide carriage.
A wire frame seat is arranged between the end parts of the slide carriages on the Y axis.
And a buffer is also arranged on the Z-axis air-floating guide rail and is fixedly arranged at the lower end of the Z-axis air-floating guide rail through a buffer bracket.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the ultra-precise three-axis milling machine, the high-precision air-floating guide rail is combined with the machine tool moving part, and the air-floating guide rail moving three-axis milling machine is designed, so that the self-vibration of a machine tool is effectively reduced, the positioning precision and the repeated positioning precision of the guide rail movement are greatly improved, and the processing precision and the processing effect of a product are favorably improved.
2. According to the ultra-precise three-axis milling machine, the slide carriage on the Y axis is directly connected with the X-axis guide rail, so that the space of the machine tool is more compact, the structure is compact, and the use cost of a product can be effectively reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of the X-axis motion assembly of the present invention.
FIG. 3 is a schematic view of the Y-axis motion assembly of the present invention.
FIG. 4 is a schematic view of the Z-axis feed assembly of the present invention.
FIG. 5 is a schematic view of a base assembly according to the present invention.
In the above drawings: 1. 1-1X-axis motion component, 1-1X-axis upper slide carriage, 1-2X-axis lower slide carriage, 1-3X-axis air-floating guide rail, 1-4X-axis linear motor, 1-5X-axis side slide carriage, 1-6 photoelectric sensor, 1-7 buffer, 1-8 buffer bracket, 1-9 chip blocking plate, 1-10 grating ruler, 2-Y-axis motion component, 2-1Y-axis upper slide carriage, 2-2Y-axis lower slide carriage, 2-3Y-axis linear motor, 2-4Y-axis side slide carriage, 2-5Y-axis side slide carriage, 2-6 wire frame seat, Y-axis air-floating guide rail, 3, Z-axis feed component, 3-1Z-axis upper slide carriage, 3-2Z-axis lower slide carriage, 3-3Z-4 slide carriage, 3-4X-axis air-floating guide rail, 1-4X-axis linear motor, 1-5X-Y-axis linear motor, 1-Y-axis, 3-5 parts of Z-axis air floatation guide rail, 3-6 parts of Z-axis linear motor, 3-7 parts of Z-axis motorized spindle, 4 parts of mounting seat, 4 parts of base component, 4-1 parts of base, 4-2 parts of base platform, 4-3 parts of side guard plate, 4-4 parts of upper guard plate, 5 parts of independent vibration isolator, 6 parts of portal frame.
Detailed Description
The invention is further described with reference to the following figures and examples:
the first embodiment is as follows:
as shown in the figures, as a first embodiment of the invention, the ultra-precise three-axis milling machine of the invention comprises an X-axis motion assembly 1, a Y-axis motion assembly 2, a Z-axis feed assembly 3 and a base assembly 4, wherein the X-axis motion assembly 1 is fixedly connected with a Y-axis upper slide carriage 2-1 through an X-axis air floatation guide rail 1-3;
the X-axis motion assembly 1 comprises an X-axis upper slide carriage 1-1, an X-axis lower slide carriage 1-2 matched with the X-axis upper slide carriage 1-1, an X-axis side slide carriage 1-5 connected between the X-axis upper slide carriage 1-1 and the X-axis lower slide carriage 1-2, an X-axis air floatation guide rail 1-3 and an X-axis linear motor 1-4, wherein the X-axis linear motor 1-4 is arranged on the X-axis air floatation guide rail 1-3, the X-axis upper slide carriage 1-1 is fixedly connected with the X-axis linear motor 1-4, a grating scale 1-10 and a photoelectric sensor 1-6 matched with the grating scale 1-10 for use are arranged on the X-axis air floatation guide rail 1-3, and a workpiece to be processed is placed on the upper surface of the X-axis upper slide carriage 1-1;
the Y-axis motion assembly 2 is fixedly arranged on a base platform 4-2 and comprises a Y-axis upper slide carriage 2-1, a Y-axis lower slide carriage 2-2 matched with the Y-axis upper slide carriage 2-1, a Y-axis side slide carriage 2-4 connected between the Y-axis upper slide carriage 2-1 and the Y-axis lower slide carriage 2-2, a Y-axis air-floating guide rail 2-6 and a Y-axis linear motor 2-3, wherein the Y-axis linear motor 2-3 is arranged on the Y-axis air-floating guide rail, the Y-axis upper slide carriage 2-1 is fixedly connected with the Y-axis linear motor 2-3, and the Y-axis air-floating guide rail 2-6 is arranged between the Y-axis upper slide carriage 2-1 and the Y-axis lower slide carriage 2-2;
the Z-axis feeding assembly 3 is arranged on the portal frame 6 in an inverted mode, the feeding assembly 3 comprises a Z-axis upper slide carriage 3-1, a Z-axis lower slide carriage 3-2 matched with the Z-axis upper slide carriage 3-1, a Z-axis side slide carriage 3-3 connected between the Z-axis upper slide carriage 3-1 and the Z-axis lower slide carriage 3-2, a Z-axis air floatation guide rail 3-4, a Z-axis linear motor 3-5 and a Z-axis electric main shaft 3-6, the Z-axis linear motor 3-5 is arranged on the Z-axis air floatation guide rail 3-4, the Z-axis electric main shaft 3-6 is fixedly arranged at the lower end part of the Z-axis air floatation guide rail 3-4 through a mounting seat 3-7, a cutter can be directly or through an accessory arranged in a taper hole of the Z-axis electric main shaft 3-6, and when the Z-axis air floatation guide rail 3-4 drives the electric main shaft 3-6 to perform feeding motion, the workpiece is machined;
the base component 4 comprises a base 4-1, a base platform 4-2 is arranged on the base 4-1, the base platform 4-2 is fixedly arranged on the base 4-1, independent vibration isolators 5 are respectively fixedly arranged between the lower end faces of the four corners of the base platform 4-2 and the upper end face of the base 4-1, side guard plates 4-3 are respectively arranged on two sides of the base platform 4-2, and a portal frame 6 which is higher than the upper guard plate 4-4 by a certain height is arranged on the upper guard plate 4-4 and is arranged between the tops of the two side guard plates 4-3 and the upper guard plate 4-4.
Preferably, as a second embodiment of the present invention, this embodiment is a further improvement of the first embodiment, wherein buffers 1 to 7 are respectively disposed at two ends of the X-axis air-floating guide rail 1 to 3, the buffers 1 to 7 are fixedly mounted at two ends of the X-axis air-floating guide rail 1 to 3 through buffer brackets 1 to 8, and the arrangement of the buffer guide rails 1 to 7 can reduce vibration and impact generated during the movement of the slide carriage 1 to 1 on the X-axis.
Preferably, as a third embodiment of the present invention, this embodiment is a further improvement of the first embodiment, long chip baffles 1-9 are installed on two side edges of the carriage 1-1 along the length direction thereof on the X axis, and the chip baffles 1-9 are arranged to block chips generated during the machining process of the workpiece to a certain extent, so as to prevent the chips from entering into the guide rails and affecting the normal operation of the equipment.
Preferably, as a fourth embodiment of the present invention, a wire mount 2-5 is installed between the ends of the carriages 2-1 on the Y-axis, so that various wires can be collectively arranged.
Preferably, as a fifth embodiment of the present invention, this embodiment is also a further improvement of the first embodiment, and the Z-axis air-floating guide rail is also provided with a buffer, and the buffer is fixedly mounted at the lower end of the Z-axis air-floating guide rail through a buffer bracket, which can reduce the vibration and impact generated during the movement of the Z-axis air-floating guide rail.
The invention adopts the combination of the high-precision air-floating guide rail and the moving part of the machine tool, designs the three-axis milling machine for the movement of the air-floating guide rail, effectively reduces the self-vibration of the machine tool, greatly improves the positioning precision and the repeated positioning precision of the movement of the guide rail, and is beneficial to improving the processing precision and the processing effect of products. In addition, since the air-float guide rail is an existing product, the specific structure thereof is not described in detail.
The technological process of the ultra-precise three-axis milling machine comprises the following steps:
firstly, loading a workpiece to be processed to an initial processing position
1) Mounting the workpiece to an X-axis upper slide carriage;
2) the X-axis and Y-axis motion assemblies work under the control of the control system and convey the workpieces to the area to be processed.
② machining by machine tool
1) The electric spindle rotates to cooperate with the Z-axis guide rail to preheat;
2) after the workpiece reaches the initial machining position, machining according to the preset requirements of the workpiece;
3) x, Y the shaft moving components move in coordination to finish the processing.
Thirdly, unloading the machined part
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications or substitutions can be made without departing from the principle of the present invention, and these modifications or substitutions should also be considered as the protection scope of the present invention.
Claims (5)
1. An ultra-precise three-axis milling machine, characterized in that: comprises an X-axis motion assembly (1), a Y-axis motion assembly (2), a Z-axis feeding assembly (3) and a base assembly (4), wherein the X-axis motion assembly (1) is fixedly connected with a Y-axis upper slide carriage (2-1) through an X-axis air floatation guide rail (1-3),
the X-axis motion assembly (1) comprises an X-axis upper slide carriage (1-1), an X-axis lower slide carriage (1-2) matched with the X-axis upper slide carriage (1-1), an X-axis side slide carriage (1-5) connected between the X-axis upper slide carriage (1-1) and the X-axis lower slide carriage (1-2), an X-axis air floatation guide rail (1-3) and an X-axis linear motor (1-4), wherein the X-axis linear motor (1-4) is arranged on the X-axis air floatation guide rail (1-3), the X-axis upper slide carriage (1-1) is fixedly connected with the X-axis linear motor (1-4), the X-axis air floatation guide rail (1-3) is arranged between the X-axis upper slide carriage (1-1) and the X-axis lower slide carriage (1-2), a grating ruler (1-10) and a photoelectric sensor (1-6) matched with the grating ruler for use are arranged on the X-axis air floatation guide rail (1-3), a workpiece to be processed is placed on the upper surface of the slide carriage (1-1) on the X axis;
the Y-axis motion assembly (2) is arranged on the base platform (4-2) and comprises a Y-axis upper slide carriage (2-1), a Y-axis lower slide carriage (2-2) matched with the Y-axis upper slide carriage (2-1), a Y-axis side slide carriage (2-4) connected between the Y-axis upper slide carriage (2-1) and the Y-axis lower slide carriage (2-2), a Y-axis air floatation guide rail (2-6) and a Y-axis linear motor (2-3), wherein the Y-axis linear motor (2-3) is arranged on the Y-axis air floatation guide rail (2-6), the Y-axis air floatation guide rail (2-6) is arranged between the Y-axis upper slide carriage (2-1) and the Y-axis lower slide carriage (2-2), and the Y-axis upper slide carriage (2-1) is fixedly connected with the Y-axis linear motor (2-3);
the Z-axis feeding assembly (3) is installed on a portal frame (6) in an inverted mode, the feeding assembly (3) comprises a Z-axis upper slide carriage (3-1), a Z-axis lower slide carriage (3-2) matched with the Z-axis upper slide carriage (3-1), a Z-axis side slide carriage (3-3) connected between the Z-axis upper slide carriage (3-1) and the Z-axis lower slide carriage (3-2), a Z-axis air floatation guide rail (3-4), a Z-axis linear motor (3-5) and a Z-axis electric main shaft (3-6), the Z-axis linear motor (3-5) is arranged on the Z-axis air floatation guide rail (3-4), the Z-axis electric main shaft (3-6) is installed and fixed at the lower end part of the Z-axis air floatation guide rail (3-4) through an installation seat (3-7), a taper hole of the Z-axis electric main shaft (3-6) can be directly or through an accessory installation tool, the Z-axis upper slide carriage (3-1), the Z-axis lower slide carriage (3-2) and the Z-axis side slide carriage (3-3) are fixedly arranged on the corresponding side surface of the portal frame (6);
the base component (4) comprises a base (4-1), a base platform (4-2) is arranged on the base (4-1), the base platform (4-2) is fixedly installed on the base (4-1), independent vibration isolators (5) are respectively fixedly installed between the lower end faces of the four corners of the base platform (4-2) and the upper end face of the base (4-1), two sides of the base platform (4-2) are respectively provided with an upward extending side protection plate (4-3), an upper protection plate (4-4) is arranged between the tops of the two side protection plates (4-3), and a portal frame (6) which is higher than the upper protection plate (4-4) by a certain height is installed on the upper protection plate (4-4).
2. An ultra-precise three-axis milling machine according to claim 1, wherein: the X-axis air-floating guide rail is characterized in that buffers (1-7) are respectively arranged at two ends of the X-axis air-floating guide rail (1-3), and the buffers (1-7) are fixedly arranged at two ends of the X-axis air-floating guide rail (1-3) through buffer supports (1-8).
3. An ultra-precise three-axis milling machine according to claim 1 or 2, wherein: strip-shaped chip blocking plates (1-9) are arranged on two side edges of the slide carriage (1-1) on the X axis along the length direction of the slide carriage.
4. An ultra-precise three-axis milling machine according to claim 1, wherein: a wire frame seat (2-5) is arranged between the end parts of the slide carriages (2-1) on the Y axis.
5. An ultra-precise three-axis milling machine according to claim 1, wherein: the Z-axis air-floating guide rails (3-4) are also provided with buffers, and the buffers are fixedly arranged at the lower ends of the Z-axis air-floating guide rails (3-4) through buffer supports.
Priority Applications (1)
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CN201921958863.4U CN211638441U (en) | 2019-11-13 | 2019-11-13 | Ultra-precise three-axis milling machine |
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CN201921958863.4U CN211638441U (en) | 2019-11-13 | 2019-11-13 | Ultra-precise three-axis milling machine |
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CN211638441U true CN211638441U (en) | 2020-10-09 |
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CN201921958863.4U Active CN211638441U (en) | 2019-11-13 | 2019-11-13 | Ultra-precise three-axis milling machine |
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