CN204546234U - The accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type - Google Patents
The accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type Download PDFInfo
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- CN204546234U CN204546234U CN201520078452.1U CN201520078452U CN204546234U CN 204546234 U CN204546234 U CN 204546234U CN 201520078452 U CN201520078452 U CN 201520078452U CN 204546234 U CN204546234 U CN 204546234U
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Abstract
The utility model discloses the accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type.Existing hand feed abrasive wheel cutting machine feed speed inaccuracy, broaching load transition, grinding wheel rapid wear.Pedestal of the present utility model is provided with fixture; Guiding mechanism is fixed on pedestal, and is fixed by connecting plate and feed screw nut; Feed screw nut is connected by screw thread pair with drive lead screw; Drive lead screw is bearing on guiding mechanism, and top is connected with the output shaft of servomotor; The base of three phase alternating current motor is fixed on connecting plate by mount pad, and its output shaft outputting power is to emery wheel; The armature winding of current transformer is serially connected on the major loop of three phase alternating current motor, and the signal output port of secondary windings is connected with digital controller module; Digital controller module is connected with the control end of servomotor.The utility model is by the real-time broaching load of current feedback of grinding wheel speed and three phase alternating current motor; Can automatically regulate servo-drive feeding, realize invariable powerization cutting.
Description
Technical field
The utility model belongs to precision optical machinery field, relates to cutting machine, is specifically related to the accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type.
Background technology
Abrasive wheel cutting machine, is abrasive cutoff saw again, and abrasive wheel cutting machine is applicable to the departments such as building, five metals, petrochemical industry, mechanical metallurgy and hydropower installation.Abrasive wheel cutting machine can to metal side's flat tube, square band steel, I-steel, U-steel, and the carbon unit material such as steel, first pipe carries out the common equipment cut.The system of abrasive wheel cutting machine mainly forms to be had: pedestal, emery wheel, motor or other power sources, bracket, protective cover and hand-held handle etc.Abrasive wheel cutting machine in use, first material fixture hand-operated clamping to be cut, presses start button, and three phase alternating current motor drives grinding wheel to rotate by V belt translation, and the hand-held handle of Manual press, realizes work and enter cutting material.
At present all to be clamped by frame for movement transmission or the abrasive machine of variable-angle cuts and carries out improvements in these and upgrade at safeguard procedures or raw material to abrasive wheel cutting machine, rarely have for artificial subjective regulation and control feed speed, cause the problems such as grinding wheel rapid wear, abrasive wheel cutting machine load transient, life and reliability shortcoming effectively to process.Therefore, need to develop accurate auto-feed abrasive wheel cutting machine (invariable power automatic feed type abrasive wheel cutting machine) of a kind of load-sensitive type, high precision int, the high efficiency studying the accurate auto-feed processing of invariable power is had very important significance.
At present, at the accurate auto-feed abrasive wheel cutting machine of not a kind of load-sensitive type of association area.If the patent No. is CN200910261805.0 (Authorization Notice No. CN101758444A, authorized announcement date on 06 30th, 2010) disclose a kind of abrasive wheel cutting machine, strap and mobile clamping plate are provided with in cylinder on workbench, mobile clamping plate are connected with adjusting screw, adjusting screw can fastening cutting member, ensure that cut quality; Support one end is fixed with cylinder, and the cylinder other end is connected with cutter sweep, realizes automatically and manual two kinds of modes of operation, easy to use, is easy to operation; But because this system uses cylinder to control auto-feed, need source of the gas, structural volume is large, and due to the installation site of cylinder, to make in emery wheel cutting process not at the uniform velocity and precision is not high; The aspect such as reliability, life-span for abrasive wheel cutting machine does not promote.And the cutting processing requirement of the accurate auto-feed of inapplicable load-sensitive type therefore.
The patent No. is CN201010530562.9 (Authorization Notice No. CN102063086 B, authorized announcement date on 06 27th, 2012) disclose a kind of constant-power sawing control device of band sawing machine, this invention comprises feeding displacement transducer, tensioning displacement transducer, control circuit and proportional reversing valve; Feeding displacement transducer is arranged in the feeding hydrocylinder of band sawing machine, tensioning displacement transducer is arranged in the hydraulic tensioning cylinder of band sawing machine, the signal output part of feeding displacement transducer, tensioning displacement transducer signal output part be connected with the A/D sampling module in control circuit respectively, the signal output part of control circuit is connected with the signal input part of proportional reversing valve; This invention achieves non-contact detecting bands for band being subject to sawing load, realizes the Real-time Feedback of sawing load suffered by sawing process bands for band; This device designs for the Cutting indexes of band sawing machine, with the structure of abrasive wheel cutting machine and operating mode all inapplicable; Therefore the cutting processing of the accurate auto-feed of load-sensitive type is not suitable for.
Patent No. CN201110148668.7 (Authorization Notice No. CN102806512 A, authorized announcement date on 06 03rd, 2011) disclose a kind of abrasive wheel cutting machine, it is fixed on bracing frame, wheel is positioned at the below of bracing frame, its beneficial effect is: this cutting machine can move to arbitrarily raw material place, time saving and energy saving, flexibly mobile; This device makes improvement for mobility aspect, but in other respects without any improvement; Therefore the cutting processing of the accurate auto-feed of load-sensitive type is not suitable for.
Patent No. CN201210141933.3 (Authorization Notice No. CN102642166A, authorized announcement date on 08 22nd, 2012) disclose a kind of abrasive wheel cutting machine accessory of variable-angle, it is characterized in that it is connected by the pedestal of a location bench vice wall with location bench vice wall, the pedestal of location bench vice wall is connected with abrasive wheel cutting machine pedestal and passes through regulatable deep-slotted chip breaker and is connected with abrasive wheel cutting machine pedestal, and abrasive wheel cutting machine pedestal is separately provided with measuring rule; The advantage of this invention is: can indexing fast, reduces error, improves material qualification rate.This device makes improvement for the cutting angle of material, but feeding mode is still in hand feed mode; Therefore the cutting processing of the accurate auto-feed of load-sensitive type is not suitable for.
Summary of the invention
The purpose of this utility model there is feed speed inaccuracy for existing hand feed abrasive wheel cutting machine, broaching load transition, grinding wheel rapid wear, the problems such as poor stability, there is provided a kind of load-sensitive type accurate auto-feed abrasive wheel cutting machine, this abrasive wheel cutting machine can by the real-time broaching load of current feedback of grinding wheel speed and three phase alternating current motor; Can automatically regulate servo-drive feeding, realize invariable powerization cutting; It is the long-acting operative installations of the real-time optimized grinding wheel of a kind of emery wheel load; Also be a kind of modular Feed servo system and control system, according to customer demand, by configuration servo-drive and common driving, the device of plain feed and precision feeding can be realized.
The utility model comprises emery wheel, servomotor, current transformer, three phase alternating current motor, mount pad, drive lead screw, guiding mechanism, pedestal and digital controller module.Described pedestal is provided with fixture; Described guiding mechanism is fixed on pedestal, and is fixed by the lateral wall of connecting plate and feed screw nut; Described feed screw nut is connected by screw thread pair with drive lead screw; The two ends of described drive lead screw are all bearing on guiding mechanism by bearing, and top is connected with the output shaft of servomotor by shaft coupling; The base of described servomotor is fixed on guiding mechanism.The base of described three phase alternating current motor is fixed on connecting plate by mount pad, and its output shaft outputting power is to emery wheel.The armature winding of described current transformer is serially connected on the major loop of three phase alternating current motor, and the signal output port of secondary windings is connected with digital controller module by data line; Described digital controller module is connected with the control end of servomotor by data line.
Described fixture comprises strap, mobile clamping plate, handle and driving screw mandrel, and strap is bolted on pedestal; Drive screw mandrel to be bearing on pedestal, Inner end and mobile Boards wall, outer end is provided with handle; Described mobile clamping plate and strap are oppositely arranged.
The top of described drive lead screw is bearing on guiding mechanism by stiff end bearing, and bottom is bearing on guiding mechanism by support end bearing.
The output shaft of described three phase alternating current motor is connected with emery wheel by tape handler.
Described current transformer is fixed on the containment vessel of three phase alternating current motor.
The beneficial effects of the utility model:
The utility model utilizes servo electrical machinery system control rate, positional precision accurate, and system response time is fast, the feature that electromechanical time constant is little, the linearity is high, realizes the split requirement of the accurate auto-feed of load-sensitive type invariable power; And when signal voltage is zero without rotation phenomenon, rotating speed is uniform descent along with the increase of torque, the security of cutting process can be ensured well.The utility model is a kind of device with emery wheel feeding guide mechanism, emery wheel load detecting mechanism and precision feeding drived control mechanism, and utilize the Real-Time Monitoring reponse system of cutting process load force and the control system of cutting feed speed monitoring, will feeding precision and the invariable power of cut workpiece process be realized; The characteristic that the utility model utilizes the transition of load can cause main circuit current to change, actual broaching load is compared with setting broaching load, load transient between cutting processing process medium plain emery wheel and workpiece is reduced, reaches stable and export cutting power; The real-time optimization of emery wheel load can be realized, improve the service life of grinding wheel and the reliability of cutting machine; The utility model is a kind of modular Feed servo system and control system, according to customer demand, by configuration servo-drive and common driving, can realize the device of plain feed and precision feeding.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type, comprises support end bearing 1, fixture 2, emery wheel 3, stiff end bearing 4, shaft coupling 5, servomotor 6, tape handler 7, current transformer 8, three phase alternating current motor 9, mount pad 10, drive lead screw 11, guiding mechanism 12, pedestal 13 and digital controller module 14.Fixture 2 comprises strap, mobile clamping plate, handle and driving screw mandrel, and strap is bolted on pedestal 13; Drive screw mandrel to be bearing on pedestal 13, Inner end and mobile Boards wall, outer end is provided with handle; Mobile clamping plate and strap are oppositely arranged.The lower end of guiding mechanism 12 is bolted on pedestal 13; One end of connecting plate is fixed on guiding mechanism 12, and the lateral wall of the other end and feed screw nut is fixed; Feed screw nut is connected by screw thread pair with drive lead screw 11; The top of drive lead screw 11 is bearing on guiding mechanism 12 by stiff end bearing 4, and bottom is bearing on guiding mechanism 12 by support end bearing 1, and top is connected with the output shaft of servomotor 6 by shaft coupling 5; The base of servomotor 6 is bolted on guiding mechanism 12.Mount pad 10 is fixed on connecting plate; The base of three phase alternating current motor 9 is fixed on mount pad 10, and its output shaft passes through tape handler 7 outputting power to emery wheel 3.
Current transformer 8 is fixed on the containment vessel of three phase alternating current motor 9; The armature winding of current transformer 8 is serially connected on the major loop of three phase alternating current motor 9, and the signal output port of secondary windings is connected with digital controller module 14 by data line; Digital controller module 14 is connected by the control end of data line with servomotor 6.Digital controller module 14 is fed back according to the load current data of current transformer 8, compares with the load force signal preset, thus adjustment output signal, control the rotating speed of servomotor 6, form closed loop feedback system, reach auto-feed, realize invariable power cutting.
The operation principle of the accurate auto-feed abrasive wheel cutting machine of this load-sensitive type:
Workpiece is positioned between the strap of fixture 2 and mobile clamping plate, and turning handle drives and drives screw mandrel to make moving clip board clamping workpiece; Digital controller module 14 controls servomotor 6 rotating speed; The converting rotary motion of drive lead screw 11 becomes the vertical rectilinear motion of emery wheel 3, emery wheel is made to drop to contact workpiece with fast-forward mode, F.F. maximal rate is 20mm/s, then digital controller module 14 controls servomotor with work progressive die formula cut workpiece, initial cut Speed Setting is a value in 3 ~ 7mm/s, and it is 0 ~ 10mm/s that work enters to export feed speed scope; Detected the load current of three phase alternating current motor 9 major loop by current transformer 8, feed back to digital controller module 14; Digital controller module 14, according to the result of actual broaching load feedback compared with setting broaching load, utilizes pid control algorithm to regulate the rotating speed of servomotor 6, the load current value of three phase alternating current motor is near setting value always.The height of guiding mechanism 12 can design according to the maximum gauge of cut workpiece; Under operating mode for different materials different loads power, gather the signal in current transformer 8, output controling parameters in adjustment digital controller module 14, make abrasive wheel cutting machine under different cutting environments, can both well operate within the scope of the bearing power of setting, ensure the speed precision of cutting feeding process and extend life-span of emery wheel, realizing precision, the auto-feed cutting processing of the accurate auto-feed abrasive wheel cutting machine of this load-sensitive type.
Claims (5)
1. the accurate auto-feed abrasive wheel cutting machine of load-sensitive type, comprises emery wheel, servomotor, current transformer, three phase alternating current motor, mount pad, drive lead screw, guiding mechanism, pedestal and digital controller module, it is characterized in that:
Described pedestal is provided with fixture; Described guiding mechanism is fixed on pedestal, and is fixed by the lateral wall of connecting plate and feed screw nut; Described feed screw nut is connected by screw thread pair with drive lead screw; The two ends of described drive lead screw are all bearing on guiding mechanism by bearing, and top is connected with the output shaft of servomotor by shaft coupling; The base of described servomotor is fixed on guiding mechanism; The base of described three phase alternating current motor is fixed on connecting plate by mount pad, and its output shaft outputting power is to emery wheel; The armature winding of described current transformer is serially connected on the major loop of three phase alternating current motor, and the signal output port of secondary windings is connected with digital controller module by data line; Described digital controller module is connected with the control end of servomotor by data line.
2. the accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type according to claim 1, is characterized in that: described fixture comprises strap, mobile clamping plate, handle and driving screw mandrel, and strap is bolted on pedestal; Drive screw mandrel to be bearing on pedestal, Inner end and mobile Boards wall, outer end is provided with handle; Described mobile clamping plate and strap are oppositely arranged.
3. the accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type according to claim 1, is characterized in that: the top of described drive lead screw is bearing on guiding mechanism by stiff end bearing, and bottom is bearing on guiding mechanism by support end bearing.
4. the accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type according to claim 1, is characterized in that: the output shaft of described three phase alternating current motor is connected with emery wheel by tape handler.
5. the accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type according to claim 1, is characterized in that: described current transformer is fixed on the containment vessel of three phase alternating current motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520078452.1U CN204546234U (en) | 2015-02-04 | 2015-02-04 | The accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520078452.1U CN204546234U (en) | 2015-02-04 | 2015-02-04 | The accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type |
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| CN201520078452.1U Expired - Fee Related CN204546234U (en) | 2015-02-04 | 2015-02-04 | The accurate auto-feed abrasive wheel cutting machine of a kind of load-sensitive type |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690225A (en) * | 2016-03-25 | 2016-06-22 | 湘潭大学 | Movable safe grinding wheel cutting machine |
| CN105751048A (en) * | 2016-03-25 | 2016-07-13 | 湘潭大学 | Wireless-control safe abrasive wheel cutting machine |
| CN107009248A (en) * | 2017-04-09 | 2017-08-04 | 杭州电子科技大学 | A kind of auto-feed abrasive wheel cutting machine |
| CN107465155A (en) * | 2017-09-04 | 2017-12-12 | 南京汉启能源技术有限公司 | The accurate saw blade cutting machine mechanism of the three automatic pre-processing devices of core crosslinked cable joint |
-
2015
- 2015-02-04 CN CN201520078452.1U patent/CN204546234U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690225A (en) * | 2016-03-25 | 2016-06-22 | 湘潭大学 | Movable safe grinding wheel cutting machine |
| CN105751048A (en) * | 2016-03-25 | 2016-07-13 | 湘潭大学 | Wireless-control safe abrasive wheel cutting machine |
| CN105751048B (en) * | 2016-03-25 | 2017-11-14 | 湘潭大学 | Controlled in wireless safe grinding wheel cutting machine |
| CN107009248A (en) * | 2017-04-09 | 2017-08-04 | 杭州电子科技大学 | A kind of auto-feed abrasive wheel cutting machine |
| CN107465155A (en) * | 2017-09-04 | 2017-12-12 | 南京汉启能源技术有限公司 | The accurate saw blade cutting machine mechanism of the three automatic pre-processing devices of core crosslinked cable joint |
| CN107465155B (en) * | 2017-09-04 | 2023-04-11 | 南京汉启能源技术有限公司 | Precise saw blade cutting machine mechanism for automatic pretreatment equipment of three-core crosslinked cable joint |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20170204 |