CN204505924U - A kind of cardboard box printing grooving machine moving knife detection control apparatus - Google Patents
A kind of cardboard box printing grooving machine moving knife detection control apparatus Download PDFInfo
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- CN204505924U CN204505924U CN201520172865.6U CN201520172865U CN204505924U CN 204505924 U CN204505924 U CN 204505924U CN 201520172865 U CN201520172865 U CN 201520172865U CN 204505924 U CN204505924 U CN 204505924U
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- moving knife
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- cardboard box
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Abstract
The utility model discloses a kind of cardboard box printing grooving machine moving knife detection control apparatus, comprise moving knife adjustment reductor, moving knife adjustment transmission mechanism, PLC and encoder, also comprise moving knife phase simulator, moving knife phase simulator comprises moving knife simulation transmission mechanism, dial plate, induction observing and controlling element and analog element, dial plate is fixed on moving knife simulation transmission mechanism, moving knife simulation transmission mechanism comprises output shaft, and output shaft is connected through dial plate and analog element; Moving knife adjustment reductor two output and moving knife adjust the input that transmission mechanism and moving knife simulate transmission mechanism and are connected, and moving knife adjusts transmission mechanism and moving knife, and to simulate transmission mechanism gearratio equal; Encoder and moving knife adjust transmission mechanism and are connected, and sensing element is all connected with PLC with encoder.The utility model zero not only achieved for moving knife adjustment initial point be arranged on soft spacing basis adds firmly spacing, improve moving knife be in course of adjustment spacing reliability, avoid the generation of accident.
Description
Technical field
The utility model belongs to carton process equipment field, particularly relates to a kind of cardboard box printing grooving machine moving knife detection control apparatus.
Background technology
The slotted unit of cardboard box printing grooving machine is the special equipment of grooving in carton board, its operation principle as shown in Figure 1, slotted unit has upper and lower cutter shaft 8,9, upper tool pan 10 and lower cutterhead 11 upper and lower cutter shaft 8,9 be equipped with respectively, upper and lower cutterhead 10,11 is equipped with respectively moving knife 12, stationary knife 13 and lower cutter 14, the blade of upper and lower cutter is fitted together to mutually.During work, upper cutter shaft 8 and lower cutter shaft 9 rotate in a direction indicated by the arrow, the cylindrical of upper tool pan 10 and lower cutterhead 11 drives cardboard 15 to move in the direction of arrows, when cardboard 15 is when the section of being fitted together to of cutter up and down of the cutter shaft of over-rotation, notch can be cut out respectively in the rear and front end of cardboard 15.Be not called that case is high by the length of the part of grooving in the middle of cardboard 15, the size that case is high is determined by the arc length of cutterhead cylindrical folded between moving knife 12 and stationary knife 13.Stationary knife 13 is fixed on upper tool pan 10, and moving knife 12 is fixed on the gear ring 16 of upper tool pan 10, gear ring 16 can on upper tool pan 10 around on cutter shaft 8 axis rotate, what engage with gear ring 16 is toolsetting gear shaft 17.When moving knife 12 needs adjustment position, toolsetting gear shaft 17 drives gear ring 16 to rotate, moving knife 12 just rotates around upper cutter shaft 8, thus changes moving knife 1 and stationary knife 13 cutterhead cylindrical arc length folded between two cuttves on upper tool pan 10, reaches the object that adjustment processing case is high.
In prior art, the adjustment of moving knife is mainly realized by moving knife adjustment reductor and the cooperation of moving knife adjustment transmission mechanism, and when moving knife adjustment reductor starts, moving knife adjustment transmission mechanism starts the adjustment of realization to moving knife.The adjustment of moving knife also needs detection and control simultaneously, usually be transferred to PLC to control by encoder image data, but encoder can only gather in diagonal displacement or straight-line displacement, generally moving knife also needs to carry out work origin setting, it is realized the data " zero " of moving knife a certain position on upper tool pan that encoder gathers by PLC that the work origin of moving knife is arranged, we define moving knife is " initial point " in this position of upper tool pan, now, the data " zero " that PLC gathers encoder, but because moving knife is operationally in High Rotation Speed state, cannot detecting element be installed on cutterhead realize and the initial point of moving knife is arranged, make zero mechanically under routine, setting of making zero accordingly is just carried out when machinery enters factory, but when machinery need to take apart carry out maintaining or change cutter time usual moving knife concrete location point change, the zero adjustment carried out again is needed to arrange after position changes, need like this to look for program staff to re-start setting, operate more loaded down with trivial details, in the process of adjustment, moving knife and stationary knife are positioned at same plane, and cutter head and cutter tail likely bump against each other, are usually also to be transferred to PLC to limit moving knife adjusting range by encoder image data, i.e. so-called " soft spacing ".But this " soft spacing " if do not re-start rezero operation after tool position changes, then moving knife and stationary knife can may be caused to collide because there is deviation during PLC program computation, the generation caused the accident, the visible this single spacing pattern degree of reliability is limited, poor stability.
Summary of the invention
Technical problem to be solved in the utility model is: the utility model provides a kind of cardboard box printing grooving machine moving knife detection control apparatus, solve in the moving knife detection control process existed in prior art and carry out the problem that initial point zero arranges inconvenience, complex operation, spacing poor reliability, simplify the zero setting up procedure of work origin during moving knife adjustment and increase firmly spacing on soft spacing basis, improve moving knife be in course of adjustment spacing reliability, avoid the generation of accident.
The purpose of this utility model is achieved through the following technical solutions:
A kind of cardboard box printing grooving machine moving knife detection control apparatus, comprise moving knife adjustment reductor, moving knife adjustment transmission mechanism, PLC and encoder, it is characterized in that, also comprise moving knife phase simulator, described moving knife phase simulator comprises moving knife simulation transmission mechanism, dial plate, is arranged at the sensing element on dial plate and can around the analog element of dial plate center rotating, described dial plate is fixedly installed on described moving knife simulation transmission mechanism, described moving knife simulation transmission mechanism comprises output shaft, and described output shaft is fixedly connected with described analog element through after described dial plate; Described moving knife adjustment reductor two output adjust the input that transmission mechanism and described moving knife simulate transmission mechanism respectively and is connected with described moving knife, described moving knife adjusts transmission mechanism and described moving knife, and to simulate transmission mechanism gearratio equal; Described encoder and described moving knife adjust transmission mechanism and are connected, and described sensing element is all connected with described PLC with described encoder.
Further, described moving knife simulation transmission mechanism also comprises decelerator, gear one, gear two, axle bed and axle sleeve, the output that described decelerator adjusts reductor with described moving knife is connected, described gear one is connected with described decelerator, described gear two engages with described gear one, and described gear two is arranged at described output shaft one end, and the described output shaft other end is arranged in described axle bed by described axle sleeve, described axle sleeve stretches out described axle bed, and its end winding support is provided with described dial plate.
Further, described axle sleeve is fixedly connected with described axle bed, and described output shaft and described axle sleeve are rotatably connected.
Further, described sensing element is the electric control element according to moving knife and stationary knife mutual alignment relation and size correspondence layout, and described analog element is the simulation blade that arranges corresponding to it.
Further, described sensing element is information storage element, and described analog element is the detection probe obtained information in information storage elements.
Further, described electric control element is optoelectronic switch or proximity switch.
Further, described information storage elements is chip, information code, magnetic stripe, disk or CD.
Further, the angle between the dual-side of described simulation blade is identical with the dual-side angle of described moving knife.
Further, described sensing element is arranged at on the dial plate of described moving knife extreme position corresponding section.
Further, described output shaft is fixedly connected with a connecting rod, and described detection probe is arranged at the end of described connecting rod.
The utility model compared with prior art has many advantages and good effect: cardboard box printing grooving machine moving knife detection control apparatus of the present utility model, and the basis of original moving knife adjustment reductor and moving knife adjustment transmission mechanism increases moving knife phase simulator.The input of the input and moving knife adjustment transmission mechanism that simultaneously make moving knife simulate transmission mechanism is connected with two output correspondences of moving knife adjustment reductor respectively, the gearratio of moving knife simulation transmission mechanism and moving knife adjustment transmission mechanism is equal, motion state when so namely can simulate moving knife and stationary knife mutual alignment relation and adjustment truly by the dial plate of moving knife phase simulator and analog element, the motion state of moving knife detected, no longer only be confined to the detection of encoder image data, handled easily person is to the detection operation of the adjustment process of moving knife and control.And the sensing element arranged on dial plate, the initial point of moving knife can be made directly to be arranged by the point on dial plate, make zero in PLC; Simultaneously can also be firmly spacing by carry out of sensing element to moving knife and stationary knife, improve the reliability of control.
In addition, simple, the small and exquisite practicality of moving knife phase simulator structure that the utility model increases, with low cost, equipment is not needed to carry out large change and just can realize.
Accompanying drawing explanation
Fig. 1 is the utility model carton press slotted unit structural representation;
Fig. 2 is the utility model cardboard box printing grooving machine moving knife detection control apparatus overall structure figure;
Fig. 3 is a kind of structural representation of the moving knife phase simulator of the utility model cardboard box printing grooving machine moving knife detection control apparatus;
Fig. 4 is that the A-A of Fig. 3 is to sectional view;
Fig. 5 is the another kind of structural representation of the moving knife phase simulator of the utility model cardboard box printing grooving machine moving knife detection control apparatus;
Fig. 6 is that the B-B of Fig. 5 is to sectional view.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
See Fig. 1-Fig. 6, the utility model cardboard box printing grooving machine embodiment of moving knife detection control apparatus, comprise moving knife adjustment reductor 1, moving knife adjustment transmission mechanism 2, PLC and encoder 3, also comprise moving knife phase simulator 4, described moving knife phase simulator 4 comprises moving knife simulation transmission mechanism 41, dial plate 42, be arranged at sensing element on dial plate 42 and can around the analog element 44 of dial plate 42 center rotating, described moving knife simulation transmission mechanism 41 comprises output shaft 411, described output shaft 411 is fixedly connected with described analog element through after described dial plate 42, described dial plate 42 is fixedly installed on described moving knife simulation transmission mechanism 41, described moving knife adjustment reductor 1 liang of output adjust the input that transmission mechanism 2 and described moving knife simulate transmission mechanism 41 respectively and is connected with described moving knife, described moving knife adjusts transmission mechanism 2 and described moving knife, and to simulate transmission mechanism 41 gearratio equal, described encoder 3 and described moving knife adjust transmission mechanism 2 and are connected, and described sensing element is all connected with described PLC with described encoder 3.
Specifically, in the present embodiment, moving knife adjustment transmission mechanism 2 is a whole set of moving knife adjustment gear-box, its inside is a set of gear drive comprising epicyclic train, mainly include Timing Belt train, epicyclic train, fixed shaft gear train, toolsetting gear shaft 17 and gear ring, Timing Belt train output is described epicyclic train input, epicyclic train engages with fixed shaft gear train, fixed shaft gear train engages with toolsetting gear shaft 17, toolsetting gear shaft engages with gear ring, finally transmit motion on gear ring, in the present embodiment, namely the gearratio of the moving knife adjustment transmission mechanism 2 of indication refers to the gearratio from power intake to gear ring.
When moving knife 12 is in non-adjustment state, as shown in Figure 2, although upper tool pan 10 is in high speed rotary motion at work, but now moving knife 12 adjusts reductor 1 and does not start, moving knife adjustment reductor 1 comprise drive power adjustment reductor 1 start drive motors namely now drive motors be in braking state, epicyclic train middle gear 35 stops revolution, but can rotation.Upper cutter shaft in rotation and gear fixed thereon 46 are by planetary gear 35, and now it act as idle wheel and drives the ordinary gear train on the right side of it to rotate.Train ratios i from gear 46 to gear 57 is 1:1, so gear 57 is equal with upper blade axis rotary speed, namely their relative rotation speeds are zero.Position relatively-stationary toolsetting gear shaft 17 on upper cutter shaft 8 does not just have rotation, and only do the revolution around upper cutter shaft 8, therefore moving knife 12 can not change relative to stationary knife 13 in the position of upper tool pan 10.
When moving knife is in adjustment state, the drive motors of moving knife adjustment reductor 1 starts, drive Timing Belt train, epicyclic train, fixed shaft gear train, toolsetting gear shaft 17, gear ring 16 that moving knife 12 is rotated around upper cutter shaft 10 by moving knife adjustment reductor 1 right-hand member output shaft, reach the object of adjustment moving knife 12.
Further, monitor and forecast is needed to the adjustment of moving knife 12, be normally that corresponding data-signal is transferred to PLC by encoder 3 by moving knife 12 condition conversion detected, controlled by PLC again, concrete, encoder 3 is in transmission connection with the transmission output shaft of band train, operationally, the output of moving knife adjustment reductor 1 is input to the input of band train, band movable belt pulley system rotates, the transmission output shaft of motion from band train is exported, drive planet circular system, fixed shaft gear train rotates, herein encoder 3 is connected with transmission output shaft and namely can collects moving knife and adjust transmission mechanism 2 information.
Also need during moving knife 12 detection control to arrange the work origin of moving knife 12, because upper tool pan 10 is operationally the parts of High Rotation Speed, inconvenience is thereon installed observing and controlling element and is carried out the setting of more specific location information collection zero to it, cannot carry out the zero of work origin; And moving knife 12 and stationary knife 13 are mounted in the same plane of cutterhead, in adjustment process, mutual cutter head and cutter tail likely bump against, and are usually also to be transferred to PLC to limit the adjusting range of moving knife 12 by encoder 3 image data, i.e. so-called " soft spacing ".This single spacing pattern degree of reliability is limited.
Therefore, increasing moving knife phase simulator 4 in the present embodiment arranges with firmly spacing to the work origin realizing moving knife 12, moving knife is adjusted decelerator 1, moving knife adjustment transmission mechanism 2 and moving knife phase simulator 4 combine, moving knife 12 information is not gathered by means of only the encoder 3 be arranged on moving knife adjustment transmission mechanism 2, also carry out zero and firmly spacing by moving knife phase simulator 4 simultaneously, and make detection more directly perceived after increasing moving knife phase simulator 4, control more reliable, concrete, moving knife phase simulator 4 includes moving knife simulation transmission mechanism 41, dial plate 42, sensing element and analog element.
Further, moving knife simulation transmission mechanism 41 also comprises decelerator 412, gear 1, gear 2 414, axle bed 415, axle sleeve 416, gear 1 output of decelerator 412 is equipped with, gear 1 engages with the gear 2 414 be contained on output shaft 411, output shaft 411 is contained on axle bed 415, output shaft 41 other end is arranged in axle bed 415 by axle sleeve 416, axle sleeve 416 stretches out axle bed 416, axle sleeve 416 is fixedly connected with axle bed 415, output shaft 411 and axle sleeve 416 are rotatably connected, axle sleeve 416 end winding support is provided with dial plate 42, dial plate 42 there are scale and numeral, reference when operating as adjustment moving knife 12, one end of output shaft 411 is passed from dial plate 42 center, the end winding support stretching out dial plate 42 at it has analog element.Dial plate 42 is furnished with sensing element.During work: decelerator 412 rotates, driven gear 1 rotates, gear 1 driven gear 2 414 rotates, gear 2 414 drives output shaft 411 to rotate, output shaft 411 drives analog element to rotate around dial plate 42, that is, in the present embodiment, the gearratio of moving knife simulation transmission mechanism is the gearratio of from input to output shaft 411.
Moving knife 12 in the present embodiment is when adjusting, the drive motors of moving knife adjustment reductor 1 starts, moving knife adjustment reductor 1 right-hand member output shaft adjusts transmission mechanism 2 with moving knife and is connected, to move through and be with train, epicyclic train, fixed shaft gear train, toolsetting gear shaft to be delivered to gear ring, moving knife 12 is rotated around upper cutter shaft 8; Simultaneously, the left end output shaft of moving knife adjustment reductor 1 is simulated transmission mechanism 4 with moving knife and is connected, also by adjustment campaign input reducer 412, then be delivered to output shaft 411 by decelerator 412, gear 1 and gear 2 414, make analog element around dial plate 42 central rotation.
Two outputs in the present embodiment, moving knife being adjusted reductor 1 respectively corresponding and moving knife adjust transmission mechanism 2 and simulate transmission mechanism 41 with moving knife and be connected, then both input speeds are identical, the right-hand member output shaft simultaneously designing moving knife adjustment reductor 1 with adjust reductor 1 left end output shaft from moving knife equal to the gearratio of output shaft 411, so namely achieves the real simulation to the state that position relationship and the moving knife 12 of moving knife 12 and stationary knife 13 are in course of adjustment by moving knife phase simulator 4 to the gearratio of gear ring.
Like this when adjusting moving knife 12, not only adopt encoder 3 to gather moving knife 12 motion state and be transferred to the detection control that PLC carries out motion state, carry out soft spacing to moving knife 12, but also the change of moving knife 12 and stationary knife 13 position and state is detected intuitively by the position relationship of the analog element on phase simulator 4 and dial plate 42, directly moving knife 12 is carried out to setting and the zero of work origin by the concrete numerical value on dial plate 42 by the sensing element on it, carry out firmly spacing to moving knife 12, two kinds of detections and limit method are combined, the reliability of device security and detection control are improved.
Sensing element in the present embodiment be the electric control element 43 arranged according to moving knife 12 and stationary knife 13 size and extreme position relation correspondence as shown in Figure 3, electric control element 43 can be the element of optoelectronic switch or this type of form such as proximity switch, electromagnetic proximity switch, the restriction of concrete form is not done at this, by the extreme position corresponding position being arranged on moving knife 12 and stationary knife 13 on dial plate 42 of electric control element 43 correspondence, when moving knife 12 moves to extreme position, electric control element 43 is connected with PLC, carries out firmly spacing by Signal transmissions to PLC to cutter.Corresponding, for realizing arranging with the corresponding of electric control element 43 type, what analog element was corresponding selects simulation blade 44, as shown in Figure 3, simulation blade 44 rotates the simulation realized moving knife 12 on dial plate 42, simulation blade 44 when rotating with one bar side for reference frame, when the contact aside of simulation blade 44 both can carry out firmly spacing accordingly by transmission of signal to during electric control element 43 to PLC.Preferably, simulation blade 44 makes in proportion at making and moving knife 12, the angle of namely simulating blade 44 dual-side is equal with moving knife 12 dual-side angle, also can make in proportion, namely employing a slice simulation blade 44 just can realize the hard limit function for different size moving knife 12, but it is corresponding, dial plate 42 arranges several electric control element 43 corresponding with different size moving knife 12, and by selecting corresponding electric control element 43 on open and close dial plate 42, realize arranging the extreme position of the moving knife 12 of different size.
To moving knife 12 carry out work origin zero arrange time, first moving knife 12 is contained in the extreme position on upper tool pan, then simulation blade 44 position of moving knife phase simulator 4 is adjusted, make the electric control element 43 on its a limit and dial plate 42 close, and corresponding signal detected, now press zero button, moving knife 12 zero-bit input PLC memory.
The another kind of embodiment of sensing element in the present embodiment is information storage elements 45, information storage elements 45 is chip, information code, magnetic stripe, CD or disk etc. can carry out information storage, the element that information is read, the restriction of concrete form is not done in the present embodiment, corresponding analog element is the detection probe 46 that can obtain the information in information storage elements 45, by light, electricity, sound or magnetic etc. carry out the transmission of signal, after information in information storage elements 45 being read, signal transmission controls accordingly to PLC, realize the restriction for the extreme position of moving knife 12, same, information storage elements is arranged on the close extreme position of moving knife 12 and stationary knife 13, PLC is passed to after detection probe 46 scanning reads the positional information of its inside, detection probe 46 is connected with output shaft 411 by a connecting rod, connecting rod is fixedly connected with output shaft 411, detection probe 46 is arranged on connecting rod end, detection probe 46 realizes firmly spacing as during analog element when detection probe 46 scans information storage elements 45 transmission of signal being arranged on extreme position.
To moving knife 12 carry out work origin zero arrange time, first moving knife 12 is contained in extreme position, then adjust detection probe 46 position, make it corresponding signal be detected, press zero button, moving knife 12 zero-bit input PLC memory.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (10)
1. a cardboard box printing grooving machine moving knife detection control apparatus, comprise moving knife adjustment reductor, moving knife adjustment transmission mechanism, PLC and encoder, it is characterized in that, also comprise moving knife phase simulator, described moving knife phase simulator comprises moving knife simulation transmission mechanism, dial plate, is arranged at the sensing element on dial plate and can around the analog element of dial plate center rotating, described dial plate is fixedly installed on described moving knife simulation transmission mechanism, described moving knife simulation transmission mechanism comprises output shaft, and described output shaft is fixedly connected with described analog element through after described dial plate; Described moving knife adjustment reductor two output adjust the input that transmission mechanism and described moving knife simulate transmission mechanism respectively and is connected with described moving knife, described moving knife adjusts transmission mechanism and described moving knife, and to simulate transmission mechanism gearratio equal; Described encoder and described moving knife adjust transmission mechanism and are connected, and described sensing element is all connected with described PLC with described encoder.
2. cardboard box printing grooving machine moving knife detection control apparatus according to claim 1, it is characterized in that, described moving knife simulation transmission mechanism also comprises decelerator, gear one, gear two, axle bed and axle sleeve, the output that described decelerator adjusts reductor with described moving knife is connected, described gear one is connected with described decelerator, described gear two engages with described gear one, described gear two is arranged at described output shaft one end, the described output shaft other end is arranged in described axle bed by described axle sleeve, described axle sleeve stretches out described axle bed, its end winding support is provided with described dial plate.
3. cardboard box printing grooving machine moving knife detection control apparatus according to claim 2, it is characterized in that, described axle sleeve is fixedly connected with described axle bed, and described output shaft and described axle sleeve are rotatably connected.
4. cardboard box printing grooving machine moving knife detection control apparatus according to claim 1, it is characterized in that, described sensing element is the electric control element according to moving knife and stationary knife mutual alignment relation and size correspondence layout, and described analog element is the simulation blade that arranges corresponding to it.
5. cardboard box printing grooving machine moving knife detection control apparatus according to claim 1, is characterized in that, described sensing element is information storage element, and described analog element is the detection probe obtained information in information storage elements.
6. cardboard box printing grooving machine moving knife detection control apparatus according to claim 4, is characterized in that, described electric control element is optoelectronic switch or proximity switch.
7. cardboard box printing grooving machine moving knife detection control apparatus according to claim 5, is characterized in that, described information storage elements is chip, information code, magnetic stripe, disk or CD.
8. the moving knife detection control apparatus of the cardboard box printing grooving machine according to any one of claim 1-7, is characterized in that, the angle between the dual-side of described simulation blade is identical with the dual-side angle of described moving knife.
9. cardboard box printing grooving machine moving knife detection control apparatus according to claim 8, is characterized in that, described sensing element is arranged at on the dial plate of described moving knife extreme position corresponding section.
10. cardboard box printing grooving machine moving knife detection control apparatus according to claim 5, it is characterized in that, described output shaft is fixedly connected with a connecting rod, and described detection probe is arranged at the end of described connecting rod.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172865.6U CN204505924U (en) | 2015-03-26 | 2015-03-26 | A kind of cardboard box printing grooving machine moving knife detection control apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520172865.6U CN204505924U (en) | 2015-03-26 | 2015-03-26 | A kind of cardboard box printing grooving machine moving knife detection control apparatus |
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| CN204505924U true CN204505924U (en) | 2015-07-29 |
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| CN201520172865.6U Expired - Fee Related CN204505924U (en) | 2015-03-26 | 2015-03-26 | A kind of cardboard box printing grooving machine moving knife detection control apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691014A (en) * | 2015-03-26 | 2015-06-10 | 青岛美光机械有限公司 | Moving blade detection control device for carton printing and grooving machine |
-
2015
- 2015-03-26 CN CN201520172865.6U patent/CN204505924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691014A (en) * | 2015-03-26 | 2015-06-10 | 青岛美光机械有限公司 | Moving blade detection control device for carton printing and grooving machine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20210326 |