CN111975392A - Tandem type bidirectional constant machining force workbench for cutting machining - Google Patents
Tandem type bidirectional constant machining force workbench for cutting machining Download PDFInfo
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- CN111975392A CN111975392A CN202010828473.6A CN202010828473A CN111975392A CN 111975392 A CN111975392 A CN 111975392A CN 202010828473 A CN202010828473 A CN 202010828473A CN 111975392 A CN111975392 A CN 111975392A
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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
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Abstract
The invention relates to a tandem bidirectional constant-machining-force workbench for cutting machining, which comprises a workbench, an X-axis moving assembly, a Y-axis moving assembly, a moving sliding table driving device, X-axis piezoelectric ceramics, a gasket, Y-axis piezoelectric ceramics, a gasket and the like, and is characterized in that: the diameter of the convex base is reduced for four times from bottom to top in a stepped manner, the X-axis piezoelectric ceramic is sleeved and supported on a second step of the convex base, the Y-axis piezoelectric ceramic is sleeved on the convex base and positioned above the X-axis piezoelectric ceramic, and a screw vertically penetrates through a gasket downwards to be installed on the convex base so as to tightly press the X-axis piezoelectric ceramic, the gasket and the Y-axis piezoelectric ceramic; the two ends of the workbench are supported on the workbench bracket in a floating way, and the workbench bracket is fixedly arranged on the X-axis motion sliding table. By adopting the invention, the bidirectional machining force in a plane can be measured and adjusted, and the cutting force is stabilized in a certain range by finely adjusting the machining parameters, thereby having important significance for improving the stability of the machining quality of workpieces.
Description
Technical Field
The invention relates to a tandem type bidirectional constant-machining-force workbench for cutting machining, and belongs to the field of machining equipment.
Background
In the cutting process of the thin-wall parts, the cutting force has direct influence on the processing quality of the workpiece, the excessive cutting force can cause the deformation of the thin-wall parts, however, the processing force is uncontrollable in the traditional processing process, the processing parameters are adjusted on the basis of the measurement of the processed workpiece, and further the processing force is adjusted, so that the time consumption is long, the cost is high and the stability is poor. Therefore, the method can accurately measure the cutting force in the cutting process of the thin-wall parts, control the cutting force to be a stable value by changing the cutting parameters, and is an important method for improving the processing quality of the thin-wall parts. Meanwhile, the self-adaptive intelligent processing has more and more obvious effect in ultra-precision processing, and a constant processing force device adopting automatic measurement and adjustment of processing force becomes the development trend of self-adaptive intelligent processing equipment. At present, the workbench with the constant processing force regulation capability is still in the preliminary stage, and further research and development are needed to meet the market demand. The constant-machining-force workbench suitable for machining of thin-wall parts, ultra-precise parts and the like is researched and developed, and the constant-machining-force workbench has important significance for promoting the development of the self-adaptive intelligent machining technology.
Disclosure of Invention
The invention aims to provide a serial bidirectional constant-machining-force workbench which can overcome the defects and has high intelligence degree and is used for cutting machining. The technical scheme is as follows:
a serial bidirectional constant machining force workbench for cutting machining comprises a workbench, an X-axis moving assembly and a Y-axis moving assembly, wherein the X-axis moving assembly and the Y-axis moving assembly are identical in structure and respectively comprise 2 guide rails, 4 sliding blocks, a moving sliding table and a moving sliding table driving device; wherein: the X-axis moving sliding table is supported on 2 guide rails through 4 sliding blocks, and 2 guide rails in the X-axis moving assembly are fixedly arranged on the Y-axis moving sliding table; the Y-axis moving sliding table is supported on 2 guide rails through 4 sliding blocks, and 2 guide rails in the Y-axis moving assembly are fixedly arranged on the bottom plate; motion slip table drive arrangement includes linear electric motor permanent magnet and linear electric motor coil, wherein: a linear motor permanent magnet of the X-axis motion sliding table driving device is fixedly arranged on the upper end surface of the Y-axis motion sliding table, and a linear motor coil of the X-axis motion sliding table driving device is fixedly arranged on the lower end surface of the X-axis motion sliding table; the linear motor permanent magnet of the Y-axis motion sliding table driving device is fixedly arranged on the upper end face of the bottom plate, and the linear motor coil of the Y-axis motion sliding table driving device is fixedly arranged on the lower end face of the Y-axis motion sliding table. The method is characterized in that:
add X axle piezoceramics, packing ring, Y axle piezoceramics, gasket, screw, convex base, 2X axle piezoceramics supports, 2Y axle piezoceramics supports, 2 workstation supports, X axle linear displacement sensor, X axle range finding board, Y axle linear displacement sensor and Y axle range finding board, wherein: the diameter of the convex base is reduced for four times in a stepped mode from bottom to top, the largest part of the diameter is fixedly embedded in the upper end face of the X-axis moving sliding table and is flush with the upper end face of the X-axis moving sliding table, the X-axis piezoelectric ceramic is sleeved and supported on the second step of the convex base, a 2-3mm gap is reserved between the X-axis piezoelectric ceramic and the upper end face of the X-axis moving sliding table, a gasket is arranged on the upper end face of the X-axis piezoelectric ceramic, the Y-axis piezoelectric ceramic is sleeved on the convex base and is located above the X-axis piezoelectric ceramic, the lower end face of the Y-axis piezoelectric ceramic is slightly higher than the third step and is supported on the gasket, a screw vertically penetrates through the gasket downwards to be installed on the convex base, and the X-axis piezoelectric ceramic, the gasket and the Y.
The upper parts of the 2X-axis piezoelectric ceramic supports and the 2Y-axis piezoelectric ceramic supports are fixedly connected with the bottom of the workbench, and grooves are respectively arranged on the opposite inner side walls of the 2X-axis piezoelectric ceramic supports and the 2Y-axis piezoelectric ceramic supports; two ends of the X-axis piezoelectric ceramics are correspondingly embedded in the grooves of the 2X-axis piezoelectric ceramics supports, and the assembly of the X-axis piezoelectric ceramics is adjusted by finely adjusting the relative positions of the X-axis piezoelectric ceramics supports and the workbench; two ends of the Y-axis piezoelectric ceramics are correspondingly embedded in grooves of 2Y-axis piezoelectric ceramics supports, and the assembly of the Y-axis piezoelectric ceramics is adjusted by finely adjusting the relative positions of the Y-axis piezoelectric ceramics supports and the workbench; the bottoms of the 2 workbench supports are symmetrically and fixedly arranged on the X-axis moving sliding table, and two ends of the workbench are supported on the 2 workbench supports in a floating manner; the X-axis linear displacement sensor is fixedly arranged on the upper end surface of the Y-axis motion sliding table and corresponds to the X-axis linear displacement sensor, and the X-axis distance measuring plate is fixedly arranged on the end part of the X-axis motion sliding table; the Y-axis linear displacement sensor is fixedly installed on the upper end face of the bottom plate and corresponds to the Y-axis linear displacement sensor, and the Y-axis distance measuring plate is fixedly installed on the end portion of the Y-axis movement sliding table.
The serial bidirectional constant-machining-force workbench for cutting machining is characterized in that: the X-axis motion sliding table driving device and the Y-axis motion sliding table driving device both adopt a mode of combining a rotary servo motor and a ball screw pair.
The serial bidirectional constant-machining-force workbench for cutting machining is characterized in that: the X-axis motion sliding table driving device and the Y-axis motion sliding table driving device both adopt a pneumatic servo driving mode.
The working principle is as follows: the device is used as a machine tool accessory, and when a workpiece is machined, the workpiece is fixed on a workbench of the device, and a bottom plate of the device is fixed on the workbench of the machine tool. In the machining process, the cutting force applied to the workpiece is transmitted to the piezoelectric ceramics through the piezoelectric ceramic support, and the machining force can be measured based on the piezoelectric effect of the piezoelectric ceramics. Meanwhile, the measured machining force is compared with the machining force set in an external control system of the device, if the measured machining force is smaller than the cutting force set by the system, in order to improve the machining efficiency, the machining force can be increased by properly finely adjusting and increasing the cutting parameters through the movement of the moving sliding table driving device, and if the measured machining force is larger than the machining force set by the system, in order to ensure the machining quality, the machining force can be reduced by finely adjusting and reducing the machining parameters through the movement of the moving sliding table driving device, so that the machining force is ensured to be a fixed value.
Compared with the prior art, the invention has the advantages that: because the cutting force is unstable in the machining process, the fluctuation of the cutting force can cause the vibration of a machine tool, the machining quality of the surface of a workpiece is reduced, and the abrasion of a cutter is aggravated, the invention provides the tandem type bidirectional constant-machining-force workbench for cutting machining, the machining force in the machining process can be accurately measured on machine through piezoelectric ceramics, the cutting parameters are properly finely adjusted through the movement of the moving sliding table driving device to adjust the machining force, the machining force is controlled, the machining precision is improved, the intelligent degree is high, and the development trend and the market demand of self-adaptive intelligent machining are met.
Drawings
FIG. 1 is a schematic three-dimensional structure of an embodiment of the present invention;
FIG. 2 is a front view of the embodiment shown in FIG. 1;
fig. 3 is a cross-sectional view a-a of the embodiment shown in fig. 2.
In the figure: 1. the device comprises a workbench 2, a guide rail 3, a sliding block 4, an X-axis motion sliding table 5, a Y-axis motion sliding table 6, a bottom plate 7, a linear motor permanent magnet 8, a linear motor coil 9, an X-axis piezoelectric ceramic 10, a gasket 11, a Y-axis piezoelectric ceramic 12, a gasket 13, a screw 14, a convex base 15, an X-axis piezoelectric ceramic support 16, a Y-axis piezoelectric ceramic support 17, a workbench support 18, an X-axis linear displacement sensor 19, an X-axis distance measuring plate 20, a Y-axis linear displacement sensor 21 and a Y-axis distance measuring plate
Detailed Description
In the embodiment shown in fig. 1-3: the X-axis moving assembly and the Y-axis moving assembly are the same in structure and respectively comprise 2 guide rails 2, 4 sliding blocks 3, a moving sliding table and a moving sliding table driving device; wherein: the X-axis moving sliding table 4 is supported on 2 guide rails 2 through 4 sliding blocks 3, and 2 guide rails 2 in the X-axis moving assembly are fixedly arranged on the Y-axis moving sliding table 5; the Y-axis moving sliding table 5 is supported on 2 guide rails 2 through 4 sliding blocks 3, and the 2 guide rails 2 in the Y-axis moving assembly are fixedly arranged on a bottom plate 6; motion slip table drive arrangement includes linear electric motor permanent magnet 7 and linear electric motor coil 8, wherein: a linear motor permanent magnet 7 of the X-axis motion sliding table driving device is fixedly arranged on the upper end surface of the Y-axis motion sliding table 5, and a linear motor coil 8 of the X-axis motion sliding table driving device is fixedly arranged on the lower end surface of the X-axis motion sliding table 4; the linear motor permanent magnet 7 of the Y-axis motion sliding table driving device is fixedly arranged on the upper end surface of the bottom plate 6, and the linear motor coil 8 of the Y-axis motion sliding table driving device is fixedly arranged on the lower end surface of the Y-axis motion sliding table 5.
Add X axle piezoceramics 9, packing ring 10, Y axle piezoceramics 11, gasket 12, screw 13, convex base 14, 2X axle piezoceramics support 15, 2Y axle piezoceramics support 16, 2 workstation supports 17, X axle linear displacement sensor 18, X axle range finding board 19, Y axle linear displacement sensor 20 and Y axle range finding board 21, wherein: the diameter of the convex base 14 is reduced for four times from bottom to top in a stepped manner, the largest part of the diameter is fixedly embedded in the upper end face of the X-axis moving sliding table 4 and is flush with the upper end face of the X-axis moving sliding table 4, the X-axis piezoelectric ceramic 9 is sleeved and supported on a second step of the convex base 14, a 2-3mm gap is reserved between the X-axis piezoelectric ceramic 9 and the upper end face of the X-axis moving sliding table 4, a gasket 10 is arranged on the upper end face of the X-axis piezoelectric ceramic 9, the Y-axis piezoelectric ceramic 11 is sleeved on the convex base 14 and is located above the X-axis piezoelectric ceramic 9, the lower end face of the Y-axis piezoelectric ceramic 11 is slightly higher than the third step and is supported on the gasket 10, a screw 13 vertically penetrates through a gasket 12 downwards to be installed on the convex base 14, and the X-axis piezoelectric ceramic 9, the gasket 10 and the.
The upper parts of the 2X-axis piezoelectric ceramic supports 15 and the 2Y-axis piezoelectric ceramic supports 16 are fixedly connected with the bottom of the workbench 1, and grooves are respectively arranged on the inner side walls of the 2X-axis piezoelectric ceramic supports 15 and the 2Y-axis piezoelectric ceramic supports 16 which are opposite to each other; two ends of the X-axis piezoelectric ceramics 9 are correspondingly embedded in the grooves of 2X-axis piezoelectric ceramic supports 15, and two ends of the Y-axis piezoelectric ceramics 11 are correspondingly embedded in the grooves of 2Y-axis piezoelectric ceramic supports 16; the bottoms of the 2 workbench supports 17 are symmetrically and fixedly arranged on the X-axis moving sliding table 4, and two ends of the workbench 1 are supported on the 2 workbench supports 17 in a floating manner; an X-axis linear displacement sensor 18 is fixedly arranged on the upper end surface of the Y-axis motion sliding table 5 and corresponds to the X-axis linear displacement sensor 18, and an X-axis distance measuring plate 19 is fixedly arranged on the end part of the X-axis motion sliding table 4; the Y-axis linear displacement sensor 20 is fixedly arranged on the upper end face of the bottom plate 6 and corresponds to the Y-axis linear displacement sensor 20, and the Y-axis distance measuring plate 21 is fixedly arranged on the end part of the Y-axis motion sliding table 5.
Claims (3)
1. A serial bidirectional constant machining force workbench for cutting machining comprises a workbench (1), an X-axis moving assembly and a Y-axis moving assembly, wherein the X-axis moving assembly and the Y-axis moving assembly are identical in structure and respectively comprise 2 guide rails (2), 4 sliding blocks (3), a motion sliding table and a motion sliding table driving device; wherein: in the X-axis moving assembly, an X-axis moving sliding table (4) is supported on 2 guide rails (2) through 4 sliding blocks (3), and the 2 guide rails (2) in the X-axis moving assembly are fixedly arranged on a Y-axis moving sliding table (5); in the Y-axis moving assembly, a Y-axis moving sliding table (5) is supported on 2 guide rails (2) through 4 sliding blocks (3), and the 2 guide rails (2) in the Y-axis moving assembly are fixedly arranged on a bottom plate (6); motion slip table drive arrangement includes linear electric motor permanent magnet (7) and linear electric motor coil (8), wherein: a linear motor permanent magnet (7) of the X-axis motion sliding table driving device is fixedly arranged on the upper end surface of the Y-axis motion sliding table (5), and a linear motor coil (8) of the X-axis motion sliding table driving device is fixedly arranged on the lower end surface of the X-axis motion sliding table (4); a linear motor permanent magnet (7) of the Y-axis motion sliding table driving device is fixedly arranged on the upper end surface of the bottom plate (6), and a linear motor coil (8) of the Y-axis motion sliding table driving device is fixedly arranged on the lower end surface of the Y-axis motion sliding table (5); the method is characterized in that:
add X axle piezoceramics (9), packing ring (10), Y axle piezoceramics (11), gasket (12), screw (13), convex base (14), 2X axle piezoceramics support (15), 2Y axle piezoceramics support (16), 2 workstation support (17), X axle linear displacement sensor (18), X axle range finding board (19), Y axle linear displacement sensor (20) and Y axle range finding board (21), wherein: the diameter of the convex base (14) is reduced from bottom to top for four times in a step-type manner, the maximum part of the diameter is fixedly embedded in the upper end surface of the X-axis moving sliding table (4), and is flush with the upper end surface of the X-axis moving sliding table (4), the X-axis piezoelectric ceramics (9) is sleeved and supported on a second step of the convex base (14), a clearance of 2-3mm is left between the X-axis moving sliding table (4) and the upper end surface, a gasket (10) is arranged on the upper end surface of the X-axis piezoelectric ceramic (9), the Y-axis piezoelectric ceramic (11) is sleeved on the convex base (14), the lower end face of the Y-axis piezoelectric ceramic (11) is slightly higher than the third step and is supported on the gasket (10), and the screw (13) vertically penetrates through the gasket (12) downwards and is installed on the convex base (14) to tightly press the X-axis piezoelectric ceramic (9), the gasket (10) and the Y-axis piezoelectric ceramic (11);
the upper parts of the 2X-axis piezoelectric ceramic supports (15) and the 2Y-axis piezoelectric ceramic supports (16) are fixedly connected with the bottom of the workbench (1), and grooves are respectively arranged on the inner side walls of the 2X-axis piezoelectric ceramic supports (15) and the 2Y-axis piezoelectric ceramic supports (16) in opposite directions; two ends of the X-axis piezoelectric ceramics (9) are correspondingly embedded in the grooves of the 2X-axis piezoelectric ceramic supports (15), and two ends of the Y-axis piezoelectric ceramics (11) are correspondingly embedded in the grooves of the 2Y-axis piezoelectric ceramic supports (16); the bottoms of the 2 workbench supports (17) are symmetrically and fixedly arranged on the X-axis moving sliding table (4), and the two ends of the workbench (1) are supported on the 2 workbench supports (17) in a floating manner; an X-axis linear displacement sensor (18) is fixedly arranged on the upper end surface of the Y-axis motion sliding table (5) and corresponds to the X-axis linear displacement sensor (18), and an X-axis distance measuring plate (19) is fixedly arranged on the end part of the X-axis motion sliding table (4); the Y-axis linear displacement sensor (20) is fixedly installed on the upper end face of the bottom plate (6) and corresponds to the Y-axis linear displacement sensor (20), and the Y-axis distance measuring plate (21) is fixedly installed on the end portion of the Y-axis moving sliding table (5).
2. The tandem type bidirectional constant machining force table for cutting machining according to claim 1, characterized in that: the X-axis motion sliding table driving device and the Y-axis motion sliding table driving device both adopt a mode of combining a rotary servo motor and a ball screw pair.
3. The tandem type bidirectional constant machining force table for cutting machining according to claim 1, characterized in that: the X-axis motion sliding table driving device and the Y-axis motion sliding table driving device both adopt a pneumatic servo driving mode.
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| CN202010828473.6A CN111975392B (en) | 2020-08-18 | 2020-08-18 | Tandem type bidirectional constant machining force workbench for cutting machining |
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| CN202010828473.6A CN111975392B (en) | 2020-08-18 | 2020-08-18 | Tandem type bidirectional constant machining force workbench for cutting machining |
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| CN111975392A true CN111975392A (en) | 2020-11-24 |
| CN111975392B CN111975392B (en) | 2022-04-12 |
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| JPH08155789A (en) * | 1994-12-06 | 1996-06-18 | Yamazaki Mazak Corp | Numerically controlled machine tool |
| JPH08229722A (en) * | 1995-02-24 | 1996-09-10 | Keiichi Suematsu | Spot facing machine for material to be cut |
| CN102004021A (en) * | 2010-10-27 | 2011-04-06 | 上海理工大学 | Static stiffness testing method for horizontal machining centre |
| CN202825237U (en) * | 2012-08-20 | 2013-03-27 | 黄山皖南机床有限公司 | Hydraulic adjustment type worktable |
| CN103231279A (en) * | 2013-05-04 | 2013-08-07 | 北京工业大学 | Testing device of machine tool spindle dynamics of numerically-controlled machine tool in cutting state |
| CN103926094A (en) * | 2014-03-20 | 2014-07-16 | 西安交通大学 | Machine tool static rigidity testing device and method for simulating real cutting working condition |
| CN104440397A (en) * | 2014-11-27 | 2015-03-25 | 杭州电子科技大学 | Ultrasonic wave ultrasonic cutting main shaft longitudinal vibrating cutting force detection platform |
| CN108705379A (en) * | 2018-05-09 | 2018-10-26 | 东北大学秦皇岛分校 | A kind of orthogonal cutting force measuring device |
| CN109807405A (en) * | 2019-01-30 | 2019-05-28 | 东北大学 | A kind of cutting force measurement device of slotting internal gear |
-
2020
- 2020-08-18 CN CN202010828473.6A patent/CN111975392B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08155789A (en) * | 1994-12-06 | 1996-06-18 | Yamazaki Mazak Corp | Numerically controlled machine tool |
| JPH08229722A (en) * | 1995-02-24 | 1996-09-10 | Keiichi Suematsu | Spot facing machine for material to be cut |
| CN102004021A (en) * | 2010-10-27 | 2011-04-06 | 上海理工大学 | Static stiffness testing method for horizontal machining centre |
| CN202825237U (en) * | 2012-08-20 | 2013-03-27 | 黄山皖南机床有限公司 | Hydraulic adjustment type worktable |
| CN103231279A (en) * | 2013-05-04 | 2013-08-07 | 北京工业大学 | Testing device of machine tool spindle dynamics of numerically-controlled machine tool in cutting state |
| CN103926094A (en) * | 2014-03-20 | 2014-07-16 | 西安交通大学 | Machine tool static rigidity testing device and method for simulating real cutting working condition |
| CN104440397A (en) * | 2014-11-27 | 2015-03-25 | 杭州电子科技大学 | Ultrasonic wave ultrasonic cutting main shaft longitudinal vibrating cutting force detection platform |
| CN108705379A (en) * | 2018-05-09 | 2018-10-26 | 东北大学秦皇岛分校 | A kind of orthogonal cutting force measuring device |
| CN109807405A (en) * | 2019-01-30 | 2019-05-28 | 东北大学 | A kind of cutting force measurement device of slotting internal gear |
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| CN111975392B (en) | 2022-04-12 |
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