CN203197650U - Double-screw-rod driving system for numerical control gantry machining center - Google Patents
Double-screw-rod driving system for numerical control gantry machining center Download PDFInfo
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- CN203197650U CN203197650U CN 201320210438 CN201320210438U CN203197650U CN 203197650 U CN203197650 U CN 203197650U CN 201320210438 CN201320210438 CN 201320210438 CN 201320210438 U CN201320210438 U CN 201320210438U CN 203197650 U CN203197650 U CN 203197650U
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- drive system
- main shaft
- screw rod
- numerical control
- machining center
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Abstract
The utility model relates to the field of mechanical systems, in particular to a driving system. The double-screw-rod driving system for a numerical control gantry machining center comprises a screw rod driving system body, the screw rod driving system body comprises a screw rod mechanism and is arranged on a gantry machine tool, the gantry machine tool comprises a workbench, a gantry frame is arranged above the workbench and comprises at least two stand columns, a cross beam is arranged on the stand columns, a slide carriage is arranged on the cross beam, a main shaft is arranged on the slide carriage, a tool connector is arranged below the main shaft, a telescoping mechanism is arranged between the main shaft and the tool connector, two sets of screw rod mechanisms which are symmetric are arranged on the two sides of the telescoping mechanism respectively, and the two sets of screw rod mechanisms are synchronous. The stability of running of the telescoping mechanism is improved through the two sets of screw rod mechanisms which are symmetric, and therefore precision is guaranteed.
Description
Technical field
The utility model relates to the mechanical system field, relates in particular to a kind of drive 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 numerical control gantry machining center double lead drive 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:
Numerical control gantry machining center double lead drive system, comprise a screw mandrel drive system body, described screw mandrel drive system body comprises a screw body, and described screw mandrel drive system body is positioned on the Longmen machine tool, Longmen machine tool comprises workbench, the workbench top is provided with portal frame, and described portal frame comprises at least two columns, and described column is provided with crossbeam, described crossbeam is provided with slide carriage, described slide carriage is provided with main shaft, and described main shaft below is provided with cutter adapter, it is characterized in that:
Be provided with telescoping mechanism between described main shaft and the described cutter adapter, the both sides of described 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.
Described main shaft adopts an electric main shaft, described electric main shaft below is provided with a motor, and as spindle motor, described telescoping mechanism top is connected with described electric main shaft upper end, described telescoping mechanism below is connected with described spindle motor, and the rotating shaft of described spindle motor connects described cutter adapter;
Described electric main shaft upper end is fixedly connected with described 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.
Two described screw bodies are respectively equipped with transmission mechanism, and connect a motor as the telescopic drive motor by described transmission mechanism respectively.
Two described screw bodies adopt relatively independent telescopic drive motor to drive, and can eliminate the interference that other parts produce, and improve precision.
Described crossbeam adopts frame-type crossbeam, surround framework by two Chang Liang and two short beams, consist of described frame-type crossbeam, between two long beams of described slide carriage both sides and described frame-type crossbeam, be slidingly connected by screw body respectively, the described screw body of two covers is by transmission mechanism, is connected respectively on the motor as the slide carriage drive motors, and then realizes the described screw body Synchronous Transmission of two covers.And then make slide carriage motion steadily, accurate positioning.
Also comprise a column pedestal, be positioned at two described columns of described workbench homonymy, be 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 drive system bodies; The screw bodies of the described screw mandrel drive system body of two covers are separately positioned on described workbench both sides, and described screw body is separately positioned between described column pedestal and the described workbench, moves for driving described column pedestal.Make operation more stable by two sleeve screw rod drive system bodies.
The described screw mandrel drive system body of two covers connects same drive motors system by transmission system respectively.In order to make operation synchronously.
Described drive motors system comprises motor and speed reducer, and described motor connects described reductor, connects described screw mandrel drive system by described transmission system again.The reductor gap reductor that preferably disappears.Described transmission system comprises the first transmission system, the second transmission system, the power intake of described the first transmission system connects one of them power output gear of the described gap reductor that disappears, and the clutch end of described the first transmission system connects the driving shaft of described screw mandrel drive system by the first bevel gear; The power intake of described the second transmission system connects another power output gear of the described gap reductor that disappears, and the clutch end of described the second transmission system also connects the driving shaft of described screw mandrel drive system by the second bevel gear; During the motor forward rotation, in the first bevel gear, the second bevel gear one as driving wheel, another is as driven pulley, drives driving shaft as that of driving wheel and moves, and follows drive shaft turns as that of driven pulley; During the motor backward rotation, when the motor forward, become driven pulley as that of driving wheel, become driving wheel as that of driven pulley, it is oppositely mobile that new driving wheel drives driving shaft, and new driven pulley is followed drive shaft turns.
Also comprise a central control system, comprise a microprocessor system in the described central control system, described screw mandrel drive system body is provided with a grating scale that be used for to measure the actuating length of screw body, and 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, so that the action executing situation of screw mandrel drive system is carried out Real-time Feedback.
Described spindle motor can adopt servomotor.
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.
Numerical control gantry machining center double lead drive system, comprise a screw mandrel drive system body, screw mandrel drive system body comprises a screw body, screw mandrel drive system body is positioned on the Longmen machine tool, Longmen machine tool comprises workbench, the workbench top is provided with portal frame, portal frame comprises at least two columns, column is provided with crossbeam, and crossbeam is provided with slide carriage, and slide carriage is provided with main shaft, the main shaft below is provided with cutter adapter, be provided with telescoping mechanism between main shaft and the cutter adapter, 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.
With reference to Fig. 1, Longmen machine tool comprises workbench 1, workbench 1 top is provided with portal frame 3, portal frame 3 comprises at least two columns 31, and column 31 is provided with crossbeam, and crossbeam is provided with slide carriage, slide carriage is provided with main shaft, the main shaft below is provided with cutter adapter, and main shaft adopts an electric main shaft 33, and electric main shaft 33 belows are provided with a motor, 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 can adopt 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.
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 preferred servomotor of slide carriage drive motors.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 body; The screw body of two sleeve screw rod drive system bodies is separately positioned on workbench 1 both sides, and screw body is separately positioned between column pedestal and the workbench 1, is used for driving the column pedestal and moves.Make operation more stable by two sleeve screw rod drive system bodies.Two sleeve screw rod drive system bodies 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 body.The reductor gap reductor that preferably disappears.
Also comprise a central control system, comprise a microprocessor system in the central control system, screw mandrel drive system body 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 body, 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 (9)
1. numerical control gantry machining center double lead drive system, comprise a screw mandrel drive system body, described screw mandrel drive system body comprises a screw body, and described screw mandrel drive system body is positioned on the Longmen machine tool, Longmen machine tool comprises workbench, the workbench top is provided with portal frame, and described portal frame comprises at least two columns, and described column is provided with crossbeam, described crossbeam is provided with slide carriage, described slide carriage is provided with main shaft, and described main shaft below is provided with cutter adapter, it is characterized in that:
Be provided with telescoping mechanism between described main shaft and the described cutter adapter, the both sides of described telescoping mechanism are provided with two symmetrical sleeve screw rod mechanisms, and two sleeve screw rod mechanisms are synchronous.
2. numerical control gantry machining center according to claim 1 double lead drive system, it is characterized in that, described main shaft adopts an electric main shaft, described electric main shaft below is provided with a motor, as spindle motor, described telescoping mechanism top is connected with described electric main shaft upper end, and described telescoping mechanism below is connected with described spindle motor, and the rotating shaft of described spindle motor connects described cutter adapter;
Described electric main shaft upper end is fixedly connected with described slide carriage.
3. numerical control gantry machining center according to claim 2 double lead drive system is characterized in that, two sleeve screw rod mechanisms are respectively equipped with transmission mechanism, and connects a motor as the telescopic drive motor by described transmission mechanism respectively.
4. numerical control gantry machining center according to claim 1 double lead drive system is characterized in that, described crossbeam adopts frame-type crossbeam, surrounds framework by two Chang Liang and two short beams, consists of described frame-type crossbeam;
Between two long beams of described slide carriage both sides and described frame-type crossbeam, be slidingly connected by screw body respectively, two sleeve screw rod mechanisms connect respectively a motor as the slide carriage drive motors by transmission mechanism.
5. numerical control gantry machining center according to claim 1 double lead drive system is characterized in that, also comprises a column pedestal, is positioned at two described columns 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;
Described sliding drive mechanism adopts two sleeve screw rod drive system bodies;
The screw body of two sleeve screw rod drive system bodies is separately positioned on described workbench both sides, and screw body is separately positioned between described column pedestal and the described workbench.
6. numerical control gantry machining center according to claim 5 double lead drive system is characterized in that, two sleeve screw rod drive system bodies connect same drive motors system by transmission system respectively.
7. numerical control gantry machining center according to claim 5 double lead drive system, it is characterized in that, also comprise a central control system, comprise a microprocessor system in the described central control system, described screw mandrel drive system body is provided with a grating scale that be used for to measure the actuating length of screw body, and the signal output part of described grating scale connects the signal input part of described microprocessor system.
8. numerical control gantry machining center according to claim 2 double lead drive system is characterized in that, described spindle motor is servomotor.
9. numerical control gantry machining center according to claim 3 double lead drive system is characterized in that, described telescopic drive motor is servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320210438 CN203197650U (en) | 2013-04-23 | 2013-04-23 | Double-screw-rod driving system for numerical control gantry machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320210438 CN203197650U (en) | 2013-04-23 | 2013-04-23 | Double-screw-rod driving system for numerical control gantry machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197650U true CN203197650U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320210438 Expired - Lifetime CN203197650U (en) | 2013-04-23 | 2013-04-23 | Double-screw-rod driving system for numerical control gantry machining center |
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| Country | Link |
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| CN (1) | CN203197650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909924A (en) * | 2021-11-03 | 2022-01-11 | 常州创胜特尔数控机床设备有限公司 | Ultrahigh-speed moving column type gantry machining center |
-
2013
- 2013-04-23 CN CN 201320210438 patent/CN203197650U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909924A (en) * | 2021-11-03 | 2022-01-11 | 常州创胜特尔数控机床设备有限公司 | Ultrahigh-speed moving column type gantry machining center |
| CN113909924B (en) * | 2021-11-03 | 2023-12-29 | 常州创胜特尔数控机床设备有限公司 | Ultra-high speed quick-acting column type gantry machining center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |