CN101200075A - Protection device of ultrasonic cutter and method thereof - Google Patents
Protection device of ultrasonic cutter and method thereof Download PDFInfo
- Publication number
- CN101200075A CN101200075A CNA2006101662419A CN200610166241A CN101200075A CN 101200075 A CN101200075 A CN 101200075A CN A2006101662419 A CNA2006101662419 A CN A2006101662419A CN 200610166241 A CN200610166241 A CN 200610166241A CN 101200075 A CN101200075 A CN 101200075A
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- overcoat
- cover
- ultrasonic cutter
- groove
- pressing plate
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Abstract
The invention provides a protecting device of an ultrasonic cutting tool and a protecting method. A torsion protecting device is added between a belt wheel for connecting the ultrasonic cutting tool and an output shaft of a motor. When an abnormal condition occurs to a stacking, an inner sleeve and an outer sleeve of the protecting device are disengaged from each other so that the motor is in idling running, furthermore, the ultrasonic cutting tool is stopped moving forward and vibrating through the belt wheel. Therefore, a device and method for detecting and controlling the working state of the ultrasonic cutting tool immediately is realized. The asynchrony of the motor and the running of the belt wheel is realized through the resistance of the stacking to the ultrasonic cutting tool, so as to trigger a detecting switch and control the ultrasonic cutting tool directly and drive the motor to stop working.
Description
Technical field
The present invention relates to a kind of protective device, in sizing material severing process, adopt torque force limiting device to regulate the guard method of motor and cut-off knife duty specifically, belong to automation control area at ultrasonic cutter.
Background technology
In rubber tyre processing, carry out the process that the sizing material severing is an indispensability at present according to attaching process and production specification.Physics different from the past is sheared, and existing severing technology comparatively advanced and extensive use is to adopt ultrasonic cutting device.Ultrasonic cutting is to utilize the shake strand of disconnected sizing material of the ultrasonic wave higher-order of oscillation, so comparatively smooth, the follow-up caking property of (sizing material winds with one circuit, and self fits) of fitting during multiple sizing material of the section of sizing material is better.But it is very careful to need when adopting ultrasonic cutting device, because the price of ultrasonic cutter is comparatively expensive, and ultrasonic cutter sky can not occur and shake and stagnate when cutting, otherwise very easily causes damage.
As back attached existing protective device and method illustrated in figures 1 and 2, frame 1 axially be provided with transmitting device 2, thereunder be connected with ultrasonic cutting device 3.Transmitting device 2 drives cut-off knife 4 laterally cutting along the sizing material 6 that transmits on the feed frame 5.Be provided with one group of correlation optoelectronic switch 7 at the diagonal two ends of feed frame 5, wherein transmitter sends the LED light beam, and the receiver receiving beam also sends an operating voltage.
If improperly cause that sizing material overlap joint is bad because of reloading, during the bossed phenomenon of sizing material, pile up that sizing material partly exceeds original height and the light beam that can block correlation.At this moment, receiver does not receive light beam, does not then have operating voltage output, and stop signal is imported control system into, and ultrasonic cutter is stopped and advances, thus the problem of stagnating with the ultrasonic cutter that prevents to cause because of windrow.
Above-mentioned existing protective device and method exist certain blind area and omission; if only adopt above-mentioned correlation optoelectronic switch to detect the abnormal conditions of sizing material; in case sizing material has the phenomenon of piling up or swelling; but the detection height that does not surpass the correlation switch, then ultrasonic cutter is still with fixed frequency vibration and walking forward.And this moment, owing to form the windrow phenomenon, in fact ultrasonic cutter is to stagnate in the original place, and carry out sky always and shake, the motor torque that drives ultrasonic cutter is increased, the directly modulator tight lock part of damage and ultrasonic cutter, and then damage transducer.Therefore, the guard method that relies on the correlation optoelectronic switch to detect merely just seems comparatively simple and unilateral, can not protect ultrasonic cutter all sidedly.
Summary of the invention
Protection device of ultrasonic cutter of the present invention and method thereof; be to address the above problem and between belt wheel that connects ultrasonic cutter and motor output shaft, set up a torque protection device; the windrow abnormal conditions when taking place in this protective device; cover and overcoat is thrown off mutually so that motor is in idle running in it, and then move on and vibrate by belt wheel prevention ultrasonic cutter.
The object of the invention is, realize a kind of instant detection and the apparatus and method of control ultrasonic cutter duty, by windrow the resistance of ultrasonic cutter is realized the asynchronous of motor and belt wheel running, also directly control ultrasonic cutter and drive motors quit work with the detection trigger exploitation.
For achieving the above object, described protection device of ultrasonic cutter mainly includes:
One overcoat, this overcoat is connected with the belt wheel of the transmitting device that drives ultrasonic cutter;
Overlap in one, be set in the inner periphery of described overcoat in this, the output sleeve of drive motors is located at the inner periphery of described interior cover, and the end of described motor output shaft is connected by bolt with the cover plate of described interior cover end;
One flexible adjustment device is provided with a spring in portion's cavity within it, and the outboard end of described flexible adjustment device is socketed on the outer surface of described interior cover plate one side of overlapping;
One pressing plate, this pressing plate are socketed in the excircle of described interior cover, and pressing plate is squeezed in described outer putting by the medial end of described flexible adjustment device;
Sidepiece at described overcoat is provided with a groove, and with respect to the position of this groove, the inside of cover is provided with a groove in described;
One group of ball, this group ball are pressed between the groove and the described interior groove that overlaps of described overcoat by described pressing plate from outside to inside;
Be provided with one near sense switch in the outside portion of closing on described pressing plate.
As above-mentioned scenario-frame, described protection device of ultrasonic cutter is set at motor and drives between the transmitting device of ultrasonic cutter.When the described transmitting device of motor-driven cuts to drive ultrasonic cutter,, overlap with identical rotation speed operation in described by driven by motor by being connected of cover plate and motor output shaft.
By interior cover with transmission of power to overcoat, drive belt wheel with the rotational speed identical by overcoat with interior cover, in normal operation promptly, motor output shaft, interior cover and overcoat are synchronous operated.
And this moment, ball, was pressed between the groove and the described interior groove that overlaps of described overcoat by pressing plate by the flexible adjustment device, was not triggered near sense switch, and all parts are in normal operation.By the interior cover and the overcoat of above-mentioned protection device of ultrasonic cutter, the power of being exported by motor finally is passed to ultrasonic cutter to cut action.
When abnormal conditions such as windrow occurring, ultrasonic cutter is subjected to certain resistance.When abnormal conditions comparatively seriously have influence on advancing of ultrasonic cutter, as intervene and handle untimelyly, then will cut-off knife be caused damage, this moment, protection device of ultrasonic cutter of the present invention can play a role.Particularly,
When windrow etc. occurring comparatively during serious situation, ultrasonic cutter is subjected to bigger resistance, by transmitting device resistance is applied on the described belt wheel, and belt wheel just can't rerun, and takes place to reverse mutually and misplace between cover and the overcoat in described.
Because the increase of motor output torque; reached the setting protection value of described protection device of ultrasonic cutter; just the torsion of Chan Shenging is enough to offset the elastic resistance of described flexible adjustment device; then described ball outwards is pushed out, promote simultaneously that pressing plate moves laterally and directly trigger close near sense switch.
At this moment, described overcoat is thrown off with interior cover in fact, and this moment, motor output shaft packed into the line space commentaries on classics in driving, and belt wheel drives overcoat and do not stress.
Owing to triggered near sense switch, by near the sense switch feedback signal to engine control system, control system is interrupted the running of described transmitting device and motor, then ultrasonic cutter stop the vibration and advance, motor output shaft also stops operating, the processing of reporting to the police simultaneously.
Further improvement project is, for guaranteeing the rotational synchronization between described interior cover and the motor output shaft, cover takes place to break away and unload power with motor output shaft in preventing, the inner periphery of cover is provided with an indent locating slot in described, and a positioning block is squeezed in the described locating slot by motor output shaft.
For improving described interior cover and the interconnective compactness of overcoat, between interior cover and overcoat, install and be fastened with one group of bearing.
Clamping has a locating ring between described flexible adjustment device and pressing plate.
In conjunction with the structure of above-mentioned protection device of ultrasonic cutter, described ultrasonic cutter guard method is:
The overcoat of described protective device is connected the belt wheel of described transmitting device by bolt, the fastening inner periphery of cover outside of interior cover, the inner periphery of cover and the cover plate by the end were fastenedly connected in the output sleeve of drive motors was located at;
Offer a groove at the sidepiece of overcoat,, offer a groove in the inside of interior cover with respect to the position of groove;
One group of ball is placed between groove and the groove, and ball by pressing plate from outside to inside and rely on the elastic compression of the spring of flexible adjustment device;
Under normal circumstances, by being connected of cover plate and motor output shaft, by driven by motor described in cover with identical rotation speed operation; By interior cover with transmission of power to overcoat, drive belt wheel with the rotational speed identical by overcoat with interior cover, then motor output shaft, interior cover and overcoat are synchronous operated;
When the windrow abnormal conditions took place, ultrasonic cutter was subjected to bigger resistance, by transmitting device resistance is applied on the described belt wheel, took place to reverse mutually and misplace between described interior cover and the overcoat;
Described ball is by extrapolated by producing torsion between interior cover and the overcoat, promote simultaneously that pressing plate moves laterally and directly trigger close near sense switch, by near the sense switch feedback signal to engine control system, control system is interrupted the running of described transmitting device and motor, and ultrasonic cutter stops vibration.
Further refinement scheme is, for guaranteeing the rotational synchronization between described interior cover and the motor output shaft, the inner periphery of cover is offered a locating slot in described, and a positioning block is fixed in the locating slot by the motor output shaft extruding.
In addition, between cover and the overcoat, the mode by interference fit is fastened with one group of bearing in described.
Content to sum up, the advantage of described protection device of ultrasonic cutter and method thereof is:
1, in conjunction with existing correlation optoelectronic switch detection system; adopt the protective device of above-mentioned addition; can tackle that sizing material is piled up or protuberance but surpass the situation that detects height; by the interior cover accepting to produce in the protective device near sense switch and the torsion between the overcoat; with feedback signal and control motor and ultrasonic cutter shuts down; can more effectively protect cut-off knife, fill up the blind area and the omission of prior art.
2, the limiting value of protective device can be set and revise to the torsion transmission by interior cover and overcoat according to practical condition to promote the elastic force adjusting device, and the sizing material that can tackle polytype and model has wide range of applications.
3, rational in infrastructure between the protective device, the transmission of torsion is direct, and protective device itself is comparatively sensitive for the reflection that ultrasonic cutter is subjected to resistance, can take the emergency protection measure in the short period of time.
Description of drawings
Now the present invention is described further in conjunction with the accompanying drawings
Fig. 1 and Fig. 2 are the existing simple equipment schematic diagrames that adopts correlation optoelectronic switch detection system;
Fig. 3 is the schematic diagram of protection device of ultrasonic cutter of the present invention;
Fig. 4 is the contrast schematic diagram of the protective device internal structure change in location under normal and the abnormal conditions;
Fig. 5 is an engine control system schematic diagram of using described ultrasonic cutter guard method;
As depicted in figs. 1 and 2, frame 1, transmitting device 2, ultrasonic cutting device 3, cut-off knife 4, feed frame 5, sizing material 6, correlation optoelectronic switch 7;
Extremely shown in Figure 5 as Fig. 3, motor 8, output shaft 9, belt wheel 10, and,
Overcoat 11, bolt 111, interior cover 12, cover plate 121, bolt 122, flexible adjustment device 13, spring 131, pressing plate 14, ball 15, near sense switch 16, locating piece 17, bearing 18, locating ring 19.
The specific embodiment
Embodiment 1,, in the engine control system of using described protection device of ultrasonic cutter, still adopts and in conjunction with existing correlation optoelectronic switch detection system to shown in Figure 5 as Fig. 3.
The signal that engine control system receives the host computer warning and feeds back near sense switch, and the signal of correlation switch feedback, thus realization is at the duty of motor 8 and cut-off knife 4.
Described protection device of ultrasonic cutter, its overcoat 11 is connected with belt wheel 10 by bolt 111, and one group of bearing 18 is clamp-oned and be fastened with to the inner periphery of interior cover 12 sheathed overcoats 11 in the mode of interference fit between interior cover and overcoat.The inner periphery of motor output shaft 9 sheathed interior covers 12, the end of output shaft 9 is connected by bolt 122 with cover plate 121.
The inner chamber of flexible adjustment device 13 is provided with a spring 131, and the excircle of cover 12 in pressing plate 14 sockets, pressing plate 14 be by flexible adjustment device 13, one group of ball 15 is pressed on from outside to inside between the groove of the groove of overcoat 11 and interior cover 12.Clamping has a locating ring 19 between flexible adjustment device 13 and pressing plate 14.
Be provided with one near sense switch 16 in the outside portion of closing on pressing plate 14.
Inner periphery at interior cover 12 is provided with an indent locating slot, and locating piece 17 is squeezed in the locating slot by motor output shaft 9.
As shown in Figure 3 and Figure 4, described ultrasonic cutter guard method is,
Under normal circumstances, by being connected of cover plate 121 and motor output shaft 9, by motor 8 drive described in cover 12 with identical rotation speed operation; By interior cover 12 with transmission of power to overcoat 11, drive belt wheels 10 with the rotational speed identical by overcoat 11 with interior cover 12, then motor output shaft 9, interior cover 12 are synchronous operated with overcoat 11;
When the windrow abnormal conditions took place, ultrasonic cutter 4 was subjected to bigger resistance, by transmitting device 2 resistance is applied on the described belt wheel 10, took place to reverse mutually and misplace between described interior cover 12 and the overcoat 11;
Described ball 15 is by extrapolated by producing torsion between interior cover 12 and the overcoat 11; promote simultaneously that pressing plate 14 moves laterally and directly trigger close near sense switch 16; by near sense switch 16 feedback signals to engine control system; control system is interrupted the running of described transmitting device 2 and motor 8; ultrasonic cutter 4 stops vibration, protects ultrasonic cutter 4 with this.
Claims (7)
1. protection device of ultrasonic cutter is characterized in that: include an overcoat, this overcoat is connected with the belt wheel of the transmitting device that drives ultrasonic cutter;
Overlap in one, be set in the inner periphery of described overcoat in this, the output sleeve of drive motors is located at the inner periphery of described interior cover, and the end of described motor output shaft is connected by bolt with the cover plate of described interior cover end;
One flexible adjustment device is provided with a spring in portion's cavity within it, and the outboard end of described flexible adjustment device is socketed on the outer surface of described interior cover plate one side of overlapping;
One pressing plate, this pressing plate are socketed in the excircle of described interior cover, and pressing plate is squeezed in described outer putting by the medial end of described flexible adjustment device;
Sidepiece at described overcoat is provided with a groove, and with respect to the position of this groove, the inside of cover is provided with a groove in described;
One group of ball, this group ball are pressed between the groove and the described interior groove that overlaps of described overcoat by described pressing plate from outside to inside;
Be provided with one near sense switch in the outside portion of closing on described pressing plate.
2. protection device of ultrasonic cutter according to claim 1 is characterized in that: the inner periphery of cover is provided with an indent locating slot in described, and a positioning block is squeezed in the described locating slot by motor output shaft.
3. protection device of ultrasonic cutter according to claim 1 and 2 is characterized in that: install between interior cover and overcoat and be fastened with one group of bearing.
4. protection device of ultrasonic cutter according to claim 3 is characterized in that: clamping has a locating ring between described flexible adjustment device and pressing plate.
5. ultrasonic cutter guard method, it is characterized in that: the belt wheel that the overcoat of described protective device is connected described transmitting device by bolt, in the fastening inner periphery of cover outside of cover, the inner periphery of cover and the cover plate by the end were fastenedly connected in the output sleeve of drive motors was located at;
Offer a groove at the sidepiece of overcoat,, offer a groove in the inside of interior cover with respect to the position of groove;
One group of ball is placed between groove and the groove, and ball by pressing plate from outside to inside and rely on the elastic compression of the spring of flexible adjustment device;
When the windrow abnormal conditions took place, ultrasonic cutter was subjected to bigger resistance, by transmitting device resistance is applied on the described belt wheel, took place to reverse mutually and misplace between described interior cover and the overcoat;
Described ball is by extrapolated by producing torsion between interior cover and the overcoat, promote simultaneously that pressing plate moves laterally and directly trigger close near sense switch, by near the sense switch feedback signal to engine control system, control system is interrupted the running of described transmitting device and motor, and ultrasonic cutter stops vibration.
6. ultrasonic cutter guard method according to claim 5 is characterized in that: the inner periphery of cover is offered a locating slot in described, and a positioning block is fixed in the locating slot by the motor output shaft extruding.
7. according to claim 5 or 6 described ultrasonic cutter guard methods, it is characterized in that: between cover and the overcoat, the mode by interference fit is fastened with one group of bearing in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101662419A CN101200075B (en) | 2006-12-17 | 2006-12-17 | Protection device of ultrasonic cutter and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101662419A CN101200075B (en) | 2006-12-17 | 2006-12-17 | Protection device of ultrasonic cutter and method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101200075A true CN101200075A (en) | 2008-06-18 |
| CN101200075B CN101200075B (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006101662419A Active CN101200075B (en) | 2006-12-17 | 2006-12-17 | Protection device of ultrasonic cutter and method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658667A (en) * | 2012-05-16 | 2012-09-12 | 宁波念初机械工业有限公司 | Device for adjusting die height of die in press machine |
| CN113275189A (en) * | 2021-05-28 | 2021-08-20 | 上海骄成超声波技术股份有限公司 | Lithium battery foil substrate coating device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2539009Y (en) * | 2002-05-22 | 2003-03-05 | 哈尔滨煤矿机械研究所 | Torque-limiting overload protector |
| BRPI0312646B1 (en) * | 2002-07-26 | 2015-10-27 | Litens Automotive | decoupler assembly for transferring torque between a shaft and a drive belt; and, decoupler assembly for transferring torque between a motor driven crankshaft rod and a drive belt. |
| CN100497984C (en) * | 2005-01-20 | 2009-06-10 | 光阳工业股份有限公司 | Torque force release device for rear axle of all-terrain vehicle |
| CN2826064Y (en) * | 2005-09-15 | 2006-10-11 | 江门天钇金属工业有限公司 | One-way overrunning clutch for motorcycle |
| CN201012502Y (en) * | 2006-12-17 | 2008-01-30 | 青岛高校软控股份有限公司 | Ultrasonic wave cutter protective equipment |
-
2006
- 2006-12-17 CN CN2006101662419A patent/CN101200075B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658667A (en) * | 2012-05-16 | 2012-09-12 | 宁波念初机械工业有限公司 | Device for adjusting die height of die in press machine |
| CN113275189A (en) * | 2021-05-28 | 2021-08-20 | 上海骄成超声波技术股份有限公司 | Lithium battery foil substrate coating device |
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| Publication number | Publication date |
|---|---|
| CN101200075B (en) | 2011-12-21 |
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