CN212444278U - Electromagnetic double-control-based high-precision machining device and machine tool of ultraprecise machine tool - Google Patents
Electromagnetic double-control-based high-precision machining device and machine tool of ultraprecise machine tool Download PDFInfo
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- CN212444278U CN212444278U CN202021914567.7U CN202021914567U CN212444278U CN 212444278 U CN212444278 U CN 212444278U CN 202021914567 U CN202021914567 U CN 202021914567U CN 212444278 U CN212444278 U CN 212444278U
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Abstract
The utility model discloses an ultra-precision machine tool high accuracy processingequipment and machine tool based on electromagnetism two accuses, its technical scheme main points are: the motion platform comprises a motion part and a support part movably connected with the motion part; the moving component is provided with a magnetic control feeding component and an electromagnetic conversion component, and the electromagnetic conversion component is connected with the output end of the magnetic control feeding component; the contact surface between the electromagnetic conversion component and the supporting component is a parallel surface, and the magnetic control feeding component controls the moving direction of the electromagnetic conversion component to be vertical to the contact surface; the signal input ends of the magnetic control feeding component and the electromagnetic conversion component are connected with the signal output end of the controller, and the magnetic control feeding component and the electromagnetic conversion component respond to the finish machining feedback signal of the motion platform in sequence. In the last working procedure of machine tool processing, after the feed amount is adjusted, the moving part is adsorbed on the supporting part through the electromagnetic conversion part, so that the interference of the outside to the moving platform can be reduced, and the vibration intensity of the body can be weakened.
Description
Technical Field
The utility model relates to a machine tool control technical field, more specifically say, it relates to ultra-precision machine tool high accuracy processingequipment and machine tool based on two accuses of electromagnetism.
Background
At present, in the ultra-precision machine tool machining technology, the machining precision of the machine tool reaches the nanometer precision, and the breakthrough of the machining precision to the nanometer precision becomes more difficult. The machining precision of the existing domestic machine tool generally reaches submicron level or nanometer level, but compared with a workpiece which can stably machine 1nm surface roughness abroad, the machining precision of the domestic machine tool cannot be compared in the aspects of precision or stability. Under the environment, the domestic method for improving the machining precision of the ultra-precision machine tool mainly comprises the steps of improving the form and position precision of a core motion component of the ultra-precision machine tool or selecting a controller with higher precision, but the method for improving the form and position precision of the core motion component or selecting the controller with better precision is limited by technical blockages carried out in China abroad, and the method has higher cost. Therefore, how to research and design a high-precision machining device and a machining tool of an ultra-precision machine tool with low cost is a problem which is urgently needed to be solved at present.
SUMMERY OF THE UTILITY MODEL
The problem that the current technique degree of difficulty that improves ultraprecise machine tool machining precision is big, the input cost is high is solved, the utility model aims at providing ultraprecise machine tool high accuracy processingequipment and machine tool based on electromagnetism double control.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the first aspect provides an electromagnetic double-control-based high-precision machining device for an ultra-precision machine tool, which comprises a guide rail, a motion platform, a tool apron and a controller, wherein the motion platform is sleeved with the guide rail, the tool apron is fixedly connected with the motion platform, the motion platform is electrically connected with the controller, and the motion platform comprises a motion part and a supporting part movably connected with the motion part; the motion component is provided with a magnetic control feeding component and an electromagnetic conversion component, and the electromagnetic conversion component is connected with the output end of the magnetic control feeding component; the contact surface between the electromagnetic conversion component and the supporting component is a parallel surface, and the magnetic control feeding component controls the moving direction of the electromagnetic conversion component to be vertical to the contact surface; the signal input ends of the magnetic control feeding component and the electromagnetic conversion component are connected with the signal output end of the controller, and the magnetic control feeding component and the electromagnetic conversion component respond to the finish machining feedback signal of the motion platform in sequence.
Further, the electromagnetic conversion component is located above the supporting component, and the adsorption effect of the electromagnetic conversion component is arranged along the vertical direction.
Further, the magnetic control feeding component is any one of a telescopic cylinder and an electric telescopic joint.
Further, the electromagnetic conversion component comprises a power supply, an on-off device and an electromagnet which are sequentially connected in series to form a closed loop, wherein the on-off device is any one of a relay, an MEMS switch and a turn-off thyristor.
Further, the controller is provided with a pulse width modulation circuit for controlling the output voltage of the power supply.
In a second aspect, an ultraprecise machining tool is provided, which includes a tool body, a spindle, and at least one electromagnetic double control-based ultraprecise machining device according to any one of the first aspect, wherein the spindle and the machining device are both fixedly mounted on the tool body, and the spindle is aligned with a tool apron in the machining device.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses when the last process of machine tool machining, after adjusting the feed rate, adsorb the moving part on the support component through the electromagnetic conversion part, not only can reduce the interference of outside to this motion platform, also can weaken the vibration intensity of body;
2. the utility model has the characteristics of the practicality is strong, easy and simple to handle, the cost is lower etc, when processing the work piece and doing final finish machining, no matter be at processing plane spare or cylinder spare, utilize the machining precision of the improvement work piece that this method all can be great.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view of the overall structure in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention having a magnetically controlled feeding component and an electromagnetic converting component;
fig. 3 is a control flow chart in the embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
101. a bed body; 102. a guide rail; 103. a motion platform; 104. a tool apron; 105. a main shaft; 106. a magnetically controlled feed member; 107. An electromagnetic conversion member; 108. a moving part; 109. a support member.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and accompanying fig. 1-3, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended to limit the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b): as shown in fig. 1 and 2, the high-precision machining device based on electromagnetic double control for the ultra-precision machine tool comprises a guide rail 102, a moving platform 103, a tool apron 104 and a controller, wherein the moving platform 103 is sleeved with the guide rail 102, the tool apron 104 is fixedly connected with the moving platform 103, the moving platform 103 is electrically connected with the controller, a main shaft 105 and the guide rail 102 are both fixedly arranged on the machine tool body 101, and the main shaft 105 is aligned with the tool apron 104 in the machining device. The motion platform 103 comprises a motion part 108 and a support part 109 movably connected with the motion part 108; the moving component 108 is provided with a magnetic control feeding component 106 and an electromagnetic conversion component 107, and the electromagnetic conversion component 107 is connected with the output end of the magnetic control feeding component 106; the contact surface between the electromagnetic conversion component 107 and the supporting component 109 is a parallel surface, and the magnetic control feeding component 106 controls the moving direction of the electromagnetic conversion component 107 to be vertical to the contact surface; the signal input ends of the magnetic control feeding component 106 and the electromagnetic conversion component 107 are both connected with the signal output end of the controller, and the magnetic control feeding component 106 and the electromagnetic conversion component 107 respond to the finish machining feedback signal of the motion platform 103 in sequence.
The control steps are as follows:
the method comprises the following steps: when the moving platform 103 reaches the preset feeding amount position in the last finishing process, a finishing feedback signal is sent to the controller.
Step two: the magnetron feed member 106 drives the electromagnetic conversion member 107 to extend and contact the surface of the support member 109 in response to the finishing feedback signal.
Step three: after the extending action is completed, the electromagnetic conversion component 107 responds to the finish machining feedback signal, and after the electromagnetic conversion component is electrified and magnetized, the moving component 108 is adsorbed and stabilized at the current position of the supporting component 109 under the action of magnetic adsorption.
In the present embodiment, the electromagnetic conversion member 107 is located above the support member 109, and the suction action of the electromagnetic conversion member 107 is provided in the vertical direction.
In the present embodiment, the magnetically controlled feeding member 106 is any one of a telescopic cylinder and an electric telescopic joint.
In this embodiment, the electromagnetic conversion component 107 includes a power supply, an on-off device, and an electromagnet, which are sequentially connected in series to form a closed circuit, and the on-off device is any one of a relay, a MEMS switch, and a turn-off thyristor.
In this embodiment, the controller is provided with a pulse width modulation circuit for controlling the power supply output voltage.
The working principle is as follows: in the last step of the machine tool machining, after the feed amount is adjusted, the moving member 108 is attracted to the support member 109 by the electromagnetic conversion member 107, so that not only can the interference of the outside to the moving platform 103 be reduced, but also the vibration intensity of the body can be weakened; meanwhile, the method has the characteristics of strong practicability, simplicity and convenience in operation, low cost and the like, and the machining precision of the workpiece can be greatly improved no matter a plane piece or a cylindrical piece is machined.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The electromagnetic double-control-based high-precision machining device for the ultra-precision machine tool comprises a guide rail (102), a moving platform (103), a tool apron (104) and a controller, wherein the moving platform (103) is sleeved with the guide rail (102), the tool apron (104) is fixedly connected with the moving platform (103), and the moving platform (103) is electrically connected with the controller, and is characterized in that the moving platform (103) comprises a moving part (108) and a supporting part (109) movably connected with the moving part (108); the moving component (108) is provided with a magnetic control feeding component (106) and an electromagnetic conversion component (107), and the electromagnetic conversion component (107) is connected with the output end of the magnetic control feeding component (106); the contact surface between the electromagnetic conversion component (107) and the supporting component (109) is a parallel surface, and the magnetic control feeding component (106) controls the moving direction of the electromagnetic conversion component (107) to be vertical to the contact surface; the signal input ends of the magnetic control feeding component (106) and the electromagnetic conversion component (107) are connected with the signal output end of the controller, and the magnetic control feeding component (106) and the electromagnetic conversion component (107) respond to the finish machining feedback signal of the motion platform (103) in sequence.
2. The electromagnetic dual-control-based ultra-precision machine tool high-precision processing device according to claim 1, wherein the electromagnetic conversion part (107) is located above the supporting part (109), and the adsorption effect of the electromagnetic conversion part (107) is arranged in a vertical direction.
3. The electromagnetic dual-control-based ultra-precision machine tool high-precision processing device according to claim 1, wherein the magnetically controlled feeding component (106) is any one of a telescopic cylinder and an electric telescopic joint.
4. The electromagnetic double control-based ultra-precision machine tool high-precision processing device as claimed in claim 1, wherein the electromagnetic conversion component (107) comprises a power supply, an on-off device and an electromagnet which are sequentially connected in series to form a closed loop, and the on-off device is any one of a relay, an MEMS switch and a turn-off thyristor.
5. The electromagnetic dual-control-based ultra-precision machine tool high-precision processing device according to claim 4, wherein the controller is provided with a pulse width modulation circuit for controlling the output voltage of the power supply.
6. An ultraprecise machining tool, characterized by comprising a tool body (101), a spindle (105) and at least one machining device according to any one of claims 1 to 5, wherein the spindle (105) and the machining device are fixedly arranged on the tool body (101), and the spindle (105) is aligned with a tool holder (104) in the machining device.
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| CN202021914567.7U CN212444278U (en) | 2020-09-04 | 2020-09-04 | Electromagnetic double-control-based high-precision machining device and machine tool of ultraprecise machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922766A (en) * | 2020-09-04 | 2020-11-13 | 中国工程物理研究院机械制造工艺研究所 | Electromagnetic double-control-based high-precision machining device and control method for ultra-precision machine tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922766A (en) * | 2020-09-04 | 2020-11-13 | 中国工程物理研究院机械制造工艺研究所 | Electromagnetic double-control-based high-precision machining device and control method for ultra-precision machine tool |
| CN111922766B (en) * | 2020-09-04 | 2024-04-16 | 中国工程物理研究院机械制造工艺研究所 | Electromagnetic double control-based high-precision machining device for ultra-precision machine tool and control method |
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