CN203197678U - Control system for high-precision numerically controlled planomiller machining center - Google Patents
Control system for high-precision numerically controlled planomiller machining center Download PDFInfo
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- CN203197678U CN203197678U CN 201320210337 CN201320210337U CN203197678U CN 203197678 U CN203197678 U CN 203197678U CN 201320210337 CN201320210337 CN 201320210337 CN 201320210337 U CN201320210337 U CN 201320210337U CN 203197678 U CN203197678 U CN 203197678U
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Abstract
The utility model relates to the field of mechanical systems, in particular to a control system. The control system for a high-precision numerically controlled planomiller machining center comprises a central control system, the central control system comprises a microprocessor system, the microprocessor system is connected with a lead screw driving system, the lead screw driving system is connected with a lead screw mechanism, the lead screw mechanism is placed on a planomiller, a grating ruler which is used for measuring the travel of the lead screw mechanism is further arranged, and a signal output end of the grating ruler is connected with a signal input end of the microprocessor system. Movement executing conditions of the lead screw driving system can be fed back in real time when the grating ruler is used for measuring the movement travel of the lead screw mechanism, and the improvement of the control precision of the central control system is facilitated.
Description
Technical field
The utility model relates to the mechanical system field, relates in particular to a kind of control system.
Background technology
The machine finishing field is the most advanced level that has embodied national machining.Along with development in science and technology, increasing field needs accurate device to cooperate, and therefore machine finishing is proposed more and more higher requirement.The development of mechanical field also more and more depends on the development of machine finishing.
Therefore our machine finishing field, also not overripened, a lot of medical accurate devices, engine accurate device, military weapon accurate device, and the device on other precision equipments mostly depend on import.This has restricted China's technology and expanding economy greatly.
China's machine finishing development is relatively backward.Restriction China machine finishing development mainly be that developed country restricts export to China aspect machine finishing, be that on the other hand the research and development of machine finishing equipment, production cost are very high, drops into too greatly, most of device fabrication enterprise technology foundation are deficiency also.
Even worldwide, the developed country of technological precedence, the accurate Longmen machine tool of producing yet exists precision limited, easily is subjected to the deficiencies such as external environment variable effect.
The utility model content
The purpose of this utility model is to provide high precision numerical control gantry machining center control system, to solve the problems of the technologies described above.
The technical problem that the utility model solves can realize by the following technical solutions:
High precision numerical control gantry machining center control system, comprise a central control system, comprise a microprocessor system in the described central control system, described microprocessor system connects a screw mandrel drive system, described screw mandrel drive system connects a screw body, and described screw body is positioned on the Longmen machine tool, it is characterized in that, also be provided with a grating scale that is used for measuring described screw body actuating length, the signal output part of described grating scale connects the signal input part of described microprocessor system.With the actuating length of the described screw body of optical grating ruler measurement, can carry out Real-time Feedback to the action executing situation of screw mandrel drive system, be conducive to improve the control accuracy of central control system.
Described screw mandrel drive system is provided with a laser range finder, described laser range finder is fixed on the workbench of Longmen machine tool, and direction of measurement is towards the column of workbench avris, and the signal output part of described laser range finder connects the signal input part of described microprocessor system.Be used for measuring the relative displacement of column and described workbench.
Longmen machine tool also comprises a column pedestal, is positioned at the column of described workbench homonymy, is arranged on the same column pedestal; Be slidingly connected between described column pedestal and the described workbench, and be provided with sliding drive mechanism.By being set, the column pedestal make between column relative position firm, and then whole gantry system run all right.
Described sliding drive mechanism adopts two sleeve screw rod mechanisms, and two sleeve screw rod mechanisms are separately positioned on described workbench both sides, and described screw body is separately positioned between described column pedestal and the described workbench, is used for driving described column pedestal and moves.Can make operation more stable by two sleeve screw rod mechanisms.
Described laser range finder direction of measurement is used for measuring the relative displacement of column pedestal and described workbench towards described column pedestal.Measure in real time by different range-measurement systems respectively with the column pedestal by the screw body to coupled movements, and then realize the precise information feedback, guarantee engineering precision.
Described workbench is provided with workbench, and described workbench avris also is provided with a laser structure scanning system, and the signal output part of described laser structure scanning system connects the signal input part of described microprocessor system.By the real-time structure of described laser structure scanning system scanning machining parts, to form Real-time Feedback.
Described laser structure scanning system comprises a laser scanning head, and laser scanning head is provided with a generating laser and laser pickoff, and described laser scanning emitting head is arranged on the three-dimensional mobile platform, and described three-dimensional mobile platform is fixed on the described workbench.
The control end of described three-dimensional mobile platform connects described microprocessor system, is subjected to described microprocessor system control action.And then control flexibly the position of laser scanning, and then realize the Real Time Monitoring to each location status of processing component.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
High precision numerical control gantry machining center control system, comprise a central control system, comprise a microprocessor system in the central control system, the microprocessor system connects a screw mandrel drive system, the screw mandrel drive system connects a screw body, screw body is positioned on the Longmen machine tool, also is provided with one for the grating scale of measuring the screw body actuating length, and the signal output part of grating scale connects the signal input part of microprocessor system.With the actuating length of optical grating ruler measurement screw body, can carry out Real-time Feedback to the action executing situation of screw mandrel drive system, be conducive to improve the control accuracy of central control system.
With reference to Fig. 1, Longmen machine tool comprises workbench 1, portal frame 3, and portal frame 3 comprises at least two columns 31, column 31 is provided with crossbeam, crossbeam is provided with slide carriage, and slide carriage is provided with main shaft, and the main shaft below is provided with cutter adapter, main shaft adopts an electric main shaft 33, electricity main shaft 33 belows are provided with a motor, and as spindle motor, the rotating shaft of spindle motor connects cutter adapter; Electricity main shaft 33 upper ends are fixedly connected with slide carriage.
In the above-mentioned design, the actuating unit of cutter adapter is set directly on the main shaft, rather than adopts traditional mode of utilizing the transmission mechanism transmission.Reduced the intermediate transmission link, the power of spindle motor can be directly transferred on the cutter as far as possible, thereby greatly improve precision.
Spindle motor is preferably servomotor.
Electricity main shaft 33 is provided with a telescoping mechanism, and the telescoping mechanism top is connected with electric main shaft 33 upper ends, and the telescoping mechanism below is connected with spindle motor; The both sides of telescoping mechanism are provided with two symmetrical sleeve screw rod mechanisms, and two sleeve screw rod mechanisms are synchronous.Stability when improving the telescoping mechanism operation by two sleeve screw rod mechanisms of symmetry, thus precision guaranteed.Two screw bodies are respectively equipped with transmission mechanism, and connect a motor as the telescopic drive motor by transmission mechanism respectively.
The telescopic drive motor can adopt servomotor.Two screw bodies adopt relatively independent telescopic drive motor to drive, and can eliminate the interference that other parts produce, and improve precision.
Crossbeam adopts frame-type crossbeam 32, surround framework by two Chang Liang and two short beams, consist of frame-type crossbeam 32, between two long beams of slide carriage both sides and frame-type crossbeam 32, be slidingly connected by screw body respectively, two sleeve screw rod mechanisms are by transmission mechanism, are connected respectively on the motor as the slide carriage drive motors, and then realize two sleeve screw rod mechanism Synchronous Transmission.And then make slide carriage motion steadily, accurate positioning.The slide carriage drive motors is preferably servomotor.Article two, Chang Liang with are connected the connection of a short beam and go out adopt and to be welded to connect.To guarantee firmly.
Frame-type crossbeam 32 belows are provided with four root posts 31, and two root posts 31 are positioned at workbench 1 one sides, and other two root posts 31 are positioned at workbench 1 opposite side.Four root posts 31 are separately positioned on the two ends of two short beams of frame-type crossbeam 32.Perhaps four root posts 31 are separately positioned on the two ends of two long beams of frame-type crossbeam 32.By four root posts 31 are set, strengthen the stability of frame-type crossbeam 32, and then strengthen the stability of whole system operation.
Also comprise a column pedestal, be positioned at two root posts 31 of workbench 1 homonymy, be arranged on the same column pedestal; Be slidingly connected between column pedestal and the workbench 1, and be provided with sliding drive mechanism.By being set, the column pedestal make 31 relative positions of column firm, and then whole gantry system run all right.
Sliding drive mechanism adopts one or two sleeve screw rod drive system; Two sleeve screw rod drive systems are separately positioned on workbench 1 both sides, and the screw mandrel drive system is separately positioned between column pedestal and the workbench 1, are used for driving the column pedestal and move.Make operation more stable by two sleeve screw rod drive systems.Two sleeve screw rod drive systems connect same drive motors system by transmission system respectively.In order to make operation synchronously.The drive motors system comprises motor and speed reducer, and motor connects reductor, again by transmission system connection wire rod drive system.The reductor gap reductor that preferably disappears.
Also comprise a central control system, comprise a microprocessor system in the central control system, the screw mandrel drive system is provided with a grating scale, the signal output part of grating scale connects the signal input part of microprocessor system, with the actuating length of optical grating ruler measurement screw mandrel drive system, so that the action executing situation of screw mandrel drive system is carried out Real-time Feedback.
The screw mandrel drive system is provided with a laser range finder, and laser range finder is fixed on the workbench 1, and direction of measurement is used for measuring the relative displacement of column pedestal and workbench 1 towards the column pedestal; The signal output part of laser range finder connects the signal input part of microprocessor system.Above-mentioned design is measured by different range-measurement systems respectively with the column pedestal in real time by the screw mandrel drive system to coupled movements, and then realizes the precise information feedback, guarantees engineering precision.
Workbench 1 avris also is provided with a laser structure scanning system, and the signal output part of laser structure scanning system connects the signal input part of microprocessor system.By the real-time structure of laser structure scanning system scanning machining parts, to form Real-time Feedback.The laser structure scanning system comprises a laser scanning head, and laser scanning head is provided with a generating laser and laser pickoff, and the laser scanning emitting head is arranged on the three-dimensional mobile platform, and three-dimensional mobile platform is fixed on the workbench 1.
The control end of three-dimensional mobile platform connects the microprocessor system, is subjected to microprocessor system control action.And then control flexibly the position of laser scanning, and then realize the Real Time Monitoring to each location status of processing component.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. high precision numerical control gantry machining center control system, comprise a central control system, comprise a microprocessor system in the described central control system, described microprocessor system connects a screw mandrel drive system, described screw mandrel drive system connects a screw body, and described screw body is positioned on the Longmen machine tool, it is characterized in that, also be provided with a grating scale that is used for measuring described screw body actuating length, the signal output part of described grating scale connects the signal input part of described microprocessor system.
2. high precision numerical control gantry machining center control system according to claim 1, it is characterized in that, described screw mandrel drive system is provided with a laser range finder, described laser range finder is fixed on the workbench of Longmen machine tool, and direction of measurement is towards the column of workbench avris, and the signal output part of described laser range finder connects the signal input part of described microprocessor system.
3. high precision numerical control gantry machining center control system according to claim 2 is characterized in that, Longmen machine tool also comprises a column pedestal, is positioned at the column of described workbench homonymy, is arranged on the same column pedestal; Be slidingly connected between described column pedestal and the described workbench, and be provided with sliding drive mechanism.
4. high precision numerical control gantry machining center control system according to claim 3, it is characterized in that, described sliding drive mechanism adopts two sleeve screw rod mechanisms, two sleeve screw rod mechanisms are separately positioned on described workbench both sides, and described screw body is separately positioned between described column pedestal and the described workbench.
5. high precision numerical control gantry machining center control system according to claim 4 is characterized in that, described laser range finder direction of measurement is towards described column pedestal.
6. according to claim 1,2,3,4 or 5 described high precision numerical control gantry machining center control systems, it is characterized in that, the workbench of Longmen machine tool is provided with workbench, described workbench avris also is provided with a laser structure scanning system, and the signal output part of described laser structure scanning system connects the signal input part of described microprocessor system.
7. high precision numerical control gantry machining center control system according to claim 6, it is characterized in that, described laser structure scanning system comprises a laser scanning head, laser scanning head is provided with a generating laser and laser pickoff, described laser scanning emitting head is arranged on the three-dimensional mobile platform, described three-dimensional mobile platform is fixed on the described workbench, and the control end of described three-dimensional mobile platform connects described microprocessor system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320210337 CN203197678U (en) | 2013-04-23 | 2013-04-23 | Control system for high-precision numerically controlled planomiller machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320210337 CN203197678U (en) | 2013-04-23 | 2013-04-23 | Control system for high-precision numerically controlled planomiller machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197678U true CN203197678U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320210337 Expired - Lifetime CN203197678U (en) | 2013-04-23 | 2013-04-23 | Control system for high-precision numerically controlled planomiller machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203197678U (en) |
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2013
- 2013-04-23 CN CN 201320210337 patent/CN203197678U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |
|
| CX01 | Expiry of patent term |