CN203817426U - Machine tool machining center dual-drive cutter disc device - Google Patents
Machine tool machining center dual-drive cutter disc device Download PDFInfo
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- CN203817426U CN203817426U CN201420238050.9U CN201420238050U CN203817426U CN 203817426 U CN203817426 U CN 203817426U CN 201420238050 U CN201420238050 U CN 201420238050U CN 203817426 U CN203817426 U CN 203817426U
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Abstract
The utility model discloses a machine tool machining center dual-drive cutter disc device which comprises a body, a cutter disc, a cutter disc rotating shaft, an integrated double-contact motor and a transmission mechanism. The cutter disc is mounted on the body through the cutter disc rotating shaft, more than one cutter is mounted on the periphery of the cutter disc, each cutter disc comprises a cutter gear for driving the cutter to work, and the cutter gears are connected with the integrated double-contact motor through the transmission mechanism. A clutch of the integrated double-contact motor is selectively meshed with a motor shaft or a reduction gear for transmission, so that the requirement for high rotation speed or large torque is met, the machine tool machining center dual-drive cutter disc device is suitable for being mounted on a small machining center to be used, rotation of the cutter disc is controlled in a rigid limiting mode, and the machine tool machining center dual-drive cutter disc device has the advantages that cutter changing is quick, the structure is reasonable, and transmission efficiency is high.
Description
Technical field
The utility model discloses a kind of machine tooling center Dual Drive cutter head, by International Patent Classification (IPC) (IPC), divides and belongs to manufacturing technology field, machine tooling center.
Background technology
Machining industry is as machining center, and its requirement has the higher speed of mainshaft, or will have larger main-shaft torque, conventionally adopts at present two sets of transmission mechanism to realize, and its volume is larger, and inconvenient operation during function conversion, is not suitable for small processing center.
The cutterhead that machining center is equipped with can be installed much knives tool, to adapt to different machined requirements, at present knife disc tool is driven by chain transmission or belt transmission or other transmission mechanisms by motor often, transmission efficiency is low, installing space is large, especially during tool changing by the direct tool changing of step motor control, easily power down, while again switching on power, need tool changing again, complicated operation.
China document CN201120130372.8 discloses a kind of high rotating speed high torque transmission mechanism, comprise the gearbox being connected with main motor, gearbox is connected with connecting axle by the first shaft coupling, connecting axle is connected with main shaft by the second shaft coupling, gearbox is the form with two gearratios, the length of its connecting axle is controlled in 2 meters, and volume is large.
Summary of the invention
For the deficiencies in the prior art, the utility model provide a kind of rational in infrastructure, transmission efficiency is high and the machine tooling center Dual Drive cutter head of quick tool changing.
For achieving the above object, the utility model is achieved through the following technical solutions:
A machine tooling center Dual Drive cutter head, comprises body, cutterhead, cutterhead rotating shaft, the two electric shock machines of integral type and transmission mechanism, wherein:
Cutterhead, it is arranged on body by cutterhead rotating shaft, and the side installation one of cutterhead week is above cutter, every comprising a tool gear on cutter for being with cutter operation, tool gear is wherein connected by the two electric shock machines of transmission mechanism and integral type, and transmission mechanism is arranged in body;
The two electric shock machines of integral type, it is arranged on body, this pair of electric shock machine comprises motor main body, reducing gear, clutch and motor output shaft, described motor main body, reducing gear and clutch are assembled into one successively, motor output shaft one end all the time with clutch engaged transmission, described motor shaft is through Bing end, reducing gear center mounted motor gear, reducing gear is convexly equipped with a reduction gearing coaxially arranged with motor gear, and the sliding sleeve gear of clutch can move axially and selection and motor gear or reduction gearing engaged transmission.
Further, described motor output shaft is connected with line shaft by shaft coupling, the axis of this motor output shaft is positioned on the extended line of motor shaft of motor main body, power axle head is installed output gear, this output gear meshes by idler gear and tool gear, above-mentioned idler gear, output gear and line shaft are combined into transmission mechanism, idler gear is arranged on sliding sleeve axle, this sliding sleeve axle is connected with body, idler gear is moved back and forth and staggers with tool gear and step down along sliding sleeve axle by cylinder action, is provided with encoder on line shaft.
Further, described reducing gear is planet gear reducing mechanism, comprise drive end bearing bracket, fast pulley gear ring, planet carrier shaft bearing, planetary gear and planetary wheel carrier, drive end bearing bracket, fast pulley gear ring and planet carrier shaft bearing form deceleration shell block, the fast pulley gear ring engagement of planetary gear and all sides, and planetary gear is fixed on planetary wheel carrier by wheel shaft, this planetary wheel carrier central through hole extends to form axle sleeve, motor shaft is through axle sleeve, it is reduction gearing that axle sleeve front end is made as external gear, and motor shaft is by planetary gear speed-reduction and by the outside transmitting large torque of reduction gearing.
Further, described clutch comprises clutch seat, sliding sleeve gear and sliding sleeve pinion stand, cylinder, the interior end opening of clutch seat is also fixedly connected on deceleration shell block, cylinder is installed in the inherent axis of this clutch seat both sides, the piston end of cylinder connects the sliding sleeve gear of sliding sleeve pinion stand and cooperation, sliding sleeve gear is the sliding sleeve of two ends band internal gear, the engagement of the internal gear of this sliding sleeve one end and motor output shaft gear, sliding sleeve gear and sliding sleeve pinion stand under cylinder action before and after slippage and make sliding sleeve other end internal gear and motor gear or reduction gearing engaged transmission.
Further, described idler gear is arranged on sliding sleeve axle by transmission sliding sleeve, and wherein the axial side of idler gear is provided with cylinder, the piston end of this cylinder and the effect of sliding sleeve axle and drive idler gear reciprocating action.
Further, described idler gear is connected with air cylinder board, air cylinder board is installed two cylinders and is positioned at the upper and lower of idler gear, and idler gear coordinates with sliding sleeve axle by transmission sliding sleeve, the piston end of cylinder and the effect of body inwall and drive air cylinder board and idler gear along the reciprocating action of sliding sleeve axle.
Further, sprocket wheel is installed in described cutterhead rotating shaft and is connected with cutter motor by driving-chain, this cutterhead rotating shaft end is provided with index dial, on index dial, be circumferentially divided into backbone indexing trough, one side correspondence is provided with alignment pin, and cutterhead rotation tool changing is controlled the accurate locating indexing disc of alignment pin by electro-detection switch and realized.
The utility model is selectable and motor shaft or reduction gearing engaged transmission by clutch in the two electric shock machines of integral type, thereby realizes the demand of high rotating speed or high pulling torque, is suitable for minicomputer machining center and installs and uses.Transmission mechanism of the present utility model makes it along sliding sleeve axle, back and forth be shifted by the cylinder action of idler gear and cooperation, thereby facilitate cutterhead rotation tool changing, the advantages such as cutterhead rotation is to control location by rigid limit, the utlity model has stable performance, reliable, and transmission efficiency is high, tool changing is convenient.
Accompanying drawing explanation
Fig. 1 is the utility model overall schematic.
Fig. 2 is the utility model cut-away view.
Fig. 3 is the two electric shock machine schematic diagrames of the utility model integral type.
Fig. 4 is Fig. 3 decomposing schematic representation.
Fig. 5 is the two electric shock machine cut-away views of integral type.
Fig. 6 is two electric shock machine sliding sleeve gear one schematic diagrames of integral type.
Fig. 7 is two another schematic diagrames of electric shock machine sliding sleeve gear of integral type.
Fig. 8 is the utility model idler gear and coordinate cylinder arrangement figure.
Fig. 9 is the utility model idler gear and coordinate another layout drawing of cylinder.
Figure 10 is another decomposing schematic representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment: refer to Fig. 1 to Figure 10, a kind of machine tooling center Dual Drive cutter head, comprises body 1, cutterhead 2, cutterhead rotating shaft 3, the two electric shock machines 4 of integral type and transmission mechanism 5, wherein:
Cutterhead 2, it is arranged on body 1 by cutterhead rotating shaft 3, and 2 weeks sides of cutterhead install one above cutter, every comprising a tool gear 21 on cutter for being with cutter operation, tool gear 21 is wherein connected by the two electric shock machines 4 of transmission mechanism and integral type, and transmission mechanism is arranged in body;
The two electric shock machines 4 of integral type, it is arranged on body 1, this pair of electric shock machine comprises motor main body 41, reducing gear 42, clutch 43 and motor output shaft 44, described motor main body 41, reducing gear 42 and clutch 43 are assembled into one successively, motor output shaft 44 one end all the time with clutch 43 engaged transmission, described motor shaft 410 is through reducing gear 42 Bing end, center mounted motor gears 411, reducing gear 42 is convexly equipped with a reduction gearing 421 coaxially arranged with motor gear 411, the sliding sleeve gear 431 of clutch 43 can move vertically and select and motor gear 411 or reduction gearing 421 engaged transmission.Reducing gear 42 is planet gear reducing mechanism, comprise drive end bearing bracket 422, fast pulley gear ring 423, planet carrier shaft bearing 424, planetary gear 425 and planetary wheel carrier 426, drive end bearing bracket 422, fast pulley gear ring 423 and planet carrier shaft bearing 424 form deceleration shell block, planetary gear 425 meshes with the fast pulley gear ring 423 of all sides, and planetary gear is fixed on planetary wheel carrier by wheel shaft 427, this planetary wheel carrier central through hole extends to form axle sleeve, motor shaft 410 is through axle sleeve, it is reduction gearing 411 that axle sleeve front end is made as external gear, motor shaft is by planetary gear speed-reduction and by the outside transmitting large torque of reduction gearing.Clutch 43 comprises clutch seat 432, sliding sleeve gear 431, and sliding sleeve pinion stand 433, cylinder 434, the interior end opening of clutch seat 432 is also fixedly connected on deceleration shell block by bolt 400, cylinder 434 is installed in the inherent axis of this clutch seat 432 both sides, the sliding sleeve gear 431 that the piston end of cylinder connects sliding sleeve pinion stand 433 and coordinates, sliding sleeve gear 431 is the sliding sleeve of two ends band internal gear, the internal gear of this sliding sleeve one end and motor output shaft 44 end gear 440 engagements, sliding sleeve gear and sliding sleeve pinion stand under cylinder action before and after slippage and make sliding sleeve other end internal gear and motor gear 411 or reduction gearing 421 engaged transmission.
Refer to Fig. 1, Fig. 2, Fig. 9 and Figure 10, motor output shaft 44 is connected with line shaft 52 by shaft coupling 51, the axis of this motor output shaft 44 is positioned on the extended line of motor shaft 410 of motor main body, line shaft 52 ends are installed output gear 53, this output gear is by idler gear 54 and tool gear 21 engagements, above-mentioned idler gear 54, output gear 53 and line shaft 52 are combined into transmission mechanism 5, idler gear 54 is arranged on sliding sleeve axle 55, this sliding sleeve axle 55 is connected with body 1, idler gear 54 is moved back and forth and staggers with tool gear 21 and step down along sliding sleeve axle by cylinder 56 effects, on line shaft 52, be provided with encoder 500.Idler gear is controlled and is had two schemes by cylinder, the first as shown in Figure 9, described idler gear 54 is arranged on sliding sleeve axle 55 by transmission sliding sleeve 57, and wherein the axial side of idler gear is provided with cylinder 56, the piston end of this cylinder and the effect of sliding sleeve axle and drive idler gear reciprocating action; Another kind of scheme as shown in Figure 8, described idler gear 54 is connected with air cylinder board 560, air cylinder board is installed two cylinders 56 and is positioned at the upper and lower of idler gear, idler gear coordinates with sliding sleeve axle 55 by transmission sliding sleeve 57, the piston end of cylinder and the effect of body inwall and drive air cylinder board and idler gear along the reciprocating action of sliding sleeve axle.
Refer to Fig. 2, Fig. 9 and Figure 10, sprocket wheel 31 is installed in cutterhead rotating shaft 3 and is connected with cutter motor 32 by driving-chain, these cutterhead rotating shaft 3 ends are provided with index dial 33, on index dial 33, be circumferentially divided into backbone indexing trough, one side correspondence is provided with alignment pin 34, alignment pin is controlled by positioning cylinder, and cutterhead rotation tool changing is controlled the accurate locating indexing disc of alignment pin by electro-detection switch and realized.
The utility model is selectable and motor shaft or reduction gearing engaged transmission by clutch in the two electric shock machines of integral type, thereby realize the demand of high rotating speed or high pulling torque, being suitable for minicomputer machining center installs and uses, and the cylinder action of transmission mechanism by idler gear and cooperation makes it along sliding sleeve axle, back and forth be shifted, thereby facilitate cutterhead rotation tool changing, cutterhead rotation is to control location by rigid limit, reaches the efficient requirement of boring machined operations such as attacking.
Above record, only, for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (7)
1. a machine tooling center Dual Drive cutter head, is characterized in that comprising body, cutterhead, cutterhead rotating shaft, the two electric shock machines of integral type and transmission mechanism, wherein:
Cutterhead, it is arranged on body by cutterhead rotating shaft, and the side installation one of cutterhead week is above cutter, every comprising a tool gear on cutter for being with cutter operation, tool gear is wherein connected by the two electric shock machines of transmission mechanism and integral type, and transmission mechanism is arranged in body;
The two electric shock machines of integral type, it is arranged on body, this pair of electric shock machine comprises motor main body, reducing gear, clutch and motor output shaft, described motor main body, reducing gear and clutch are assembled into one successively, motor output shaft one end all the time with clutch engaged transmission, described motor shaft is through Bing end, reducing gear center mounted motor gear, reducing gear is convexly equipped with a reduction gearing coaxially arranged with motor gear, and the sliding sleeve gear of clutch can move axially and selection and motor gear or reduction gearing engaged transmission.
2. machine tooling according to claim 1 center Dual Drive cutter head, it is characterized in that: described motor output shaft is connected with line shaft by shaft coupling, the axis of this motor output shaft is positioned on the extended line of motor shaft of motor main body, power axle head is installed output gear, this output gear meshes by idler gear and tool gear, above-mentioned idler gear, output gear and line shaft are combined into transmission mechanism, idler gear is arranged on sliding sleeve axle, this sliding sleeve axle is connected with body, idler gear is moved back and forth and staggers with tool gear and step down along sliding sleeve axle by cylinder action, on line shaft, be provided with encoder.
3. machine tooling according to claim 1 center Dual Drive cutter head, it is characterized in that: described reducing gear is planet gear reducing mechanism, comprise drive end bearing bracket, fast pulley gear ring, planet carrier shaft bearing, planetary gear and planetary wheel carrier, drive end bearing bracket, fast pulley gear ring and planet carrier shaft bearing form deceleration shell block, the fast pulley gear ring engagement of planetary gear and all sides, and planetary gear is fixed on planetary wheel carrier by wheel shaft, this planetary wheel carrier central through hole extends to form axle sleeve, motor shaft is through axle sleeve, it is reduction gearing that axle sleeve front end is made as external gear, motor shaft is by planetary gear speed-reduction and by the outside transmitting large torque of reduction gearing.
4. machine tooling according to claim 1 center Dual Drive cutter head, it is characterized in that: described clutch comprises clutch seat, sliding sleeve gear, and sliding sleeve pinion stand, cylinder, the interior end opening of clutch seat is also fixedly connected on deceleration shell block, cylinder is installed in the inherent axis of this clutch seat both sides, the piston end of cylinder connects the sliding sleeve gear of sliding sleeve pinion stand and cooperation, sliding sleeve gear is the sliding sleeve of two ends band internal gear, the internal gear of this sliding sleeve one end and the engagement of motor output shaft gear, sliding sleeve gear and sliding sleeve pinion stand under cylinder action before and after slippage and make sliding sleeve other end internal gear and motor gear or reduction gearing engaged transmission.
5. machine tooling according to claim 2 center Dual Drive cutter head, it is characterized in that: described idler gear is arranged on sliding sleeve axle by transmission sliding sleeve, wherein the axial side of idler gear is provided with cylinder, the piston end of this cylinder and the effect of sliding sleeve axle and drive idler gear reciprocating action.
6. machine tooling according to claim 2 center Dual Drive cutter head, it is characterized in that: described idler gear is connected with air cylinder board, air cylinder board is installed two cylinders and is positioned at the upper and lower of idler gear, idler gear coordinates with sliding sleeve axle by transmission sliding sleeve, the piston end of cylinder and the effect of body inwall and drive air cylinder board and idler gear along the reciprocating action of sliding sleeve axle.
7. according to the machine tooling center Dual Drive cutter head one of claim 1 to 6 Suo Shu, it is characterized in that: sprocket wheel is installed in described cutterhead rotating shaft and is connected with cutter motor by driving-chain, this cutterhead rotating shaft end is provided with index dial, on index dial, be circumferentially divided into backbone indexing trough, one side correspondence is provided with alignment pin, and cutterhead rotation tool changing is controlled the accurate locating indexing disc of alignment pin by electro-detection switch and realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238050.9U CN203817426U (en) | 2014-05-12 | 2014-05-12 | Machine tool machining center dual-drive cutter disc device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238050.9U CN203817426U (en) | 2014-05-12 | 2014-05-12 | Machine tool machining center dual-drive cutter disc device |
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| Publication Number | Publication Date |
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| CN203817426U true CN203817426U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238050.9U Expired - Fee Related CN203817426U (en) | 2014-05-12 | 2014-05-12 | Machine tool machining center dual-drive cutter disc device |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695151A (en) * | 2015-03-24 | 2015-06-10 | 宁波高新区宁源科技服务有限公司 | Multi-color machine needle of computerized embroidery machine |
| CN104695153A (en) * | 2015-03-24 | 2015-06-10 | 宁波高新区宁源科技服务有限公司 | Flicking needle embroidering cloth type embroidery machine head |
| CN104942312A (en) * | 2015-06-25 | 2015-09-30 | 温州大学 | Machine tool with two drivers |
| CN105058061A (en) * | 2015-09-11 | 2015-11-18 | 宣城市建林机械有限公司 | Drilling and tapping center |
| CN105081849A (en) * | 2015-09-11 | 2015-11-25 | 宣城市建林机械有限公司 | Automatic tool changing device |
| CN105478819A (en) * | 2016-01-25 | 2016-04-13 | 金烜伊 | Cylindrical knife rest of Swiss-type lathe |
| CN105750576A (en) * | 2016-04-18 | 2016-07-13 | 佛山市德赛格精工机械有限公司 | Rotary power head |
| CN106335103A (en) * | 2016-10-24 | 2017-01-18 | 吴爱兵 | Packing box die cutting machine cutter opening switching operation platform |
| CN106736786A (en) * | 2016-12-27 | 2017-05-31 | 宣城市建林机械有限公司 | automatic tool changer |
| CN107186486A (en) * | 2017-07-01 | 2017-09-22 | 张帝 | A kind of intermetallic composite coating turning equipment |
| CN107671429A (en) * | 2017-11-16 | 2018-02-09 | 惠州市契贝科技有限公司 | Loop laser marking machine |
| CN108545263A (en) * | 2018-05-14 | 2018-09-18 | 温州海航机械有限公司 | The packaging bag sealing equipment of four banding tableware packing machine of full-automatic multiple row |
| CN109175423A (en) * | 2018-11-16 | 2019-01-11 | 镇江申庭电子科技有限公司 | A kind of lathe is with can 360 ° of indexing cutterheads rotated freely |
| CN109773541A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | Numerically-controlled machine tool is switched fast equipment with cutter |
| CN111300108A (en) * | 2020-03-11 | 2020-06-19 | 姚利娟 | Novel material processing device capable of automatically changing tools by utilizing gear turnover movement |
| CN111299640A (en) * | 2019-11-05 | 2020-06-19 | 太仓金钢重机轧辊有限公司 | Automatic tool changing drilling machine |
| CN111702523A (en) * | 2020-07-24 | 2020-09-25 | 陈建 | Horizontal compound numerical control lathe |
| CN114985787A (en) * | 2022-08-05 | 2022-09-02 | 溧阳市康宏机械有限公司 | Turret device with main shaft self-protection function for numerical control lathe |
-
2014
- 2014-05-12 CN CN201420238050.9U patent/CN203817426U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104695153A (en) * | 2015-03-24 | 2015-06-10 | 宁波高新区宁源科技服务有限公司 | Flicking needle embroidering cloth type embroidery machine head |
| CN104695151A (en) * | 2015-03-24 | 2015-06-10 | 宁波高新区宁源科技服务有限公司 | Multi-color machine needle of computerized embroidery machine |
| CN104942312A (en) * | 2015-06-25 | 2015-09-30 | 温州大学 | Machine tool with two drivers |
| CN105058061B (en) * | 2015-09-11 | 2019-02-15 | 宣城市建林机械有限公司 | A kind of brill attacks center |
| CN105058061A (en) * | 2015-09-11 | 2015-11-18 | 宣城市建林机械有限公司 | Drilling and tapping center |
| CN105081849A (en) * | 2015-09-11 | 2015-11-25 | 宣城市建林机械有限公司 | Automatic tool changing device |
| CN105081849B (en) * | 2015-09-11 | 2019-05-10 | 宣城市建林机械有限公司 | A kind of automatic tool changer |
| CN105478819A (en) * | 2016-01-25 | 2016-04-13 | 金烜伊 | Cylindrical knife rest of Swiss-type lathe |
| CN105750576A (en) * | 2016-04-18 | 2016-07-13 | 佛山市德赛格精工机械有限公司 | Rotary power head |
| CN106335103A (en) * | 2016-10-24 | 2017-01-18 | 吴爱兵 | Packing box die cutting machine cutter opening switching operation platform |
| CN106736786A (en) * | 2016-12-27 | 2017-05-31 | 宣城市建林机械有限公司 | automatic tool changer |
| CN107186486A (en) * | 2017-07-01 | 2017-09-22 | 张帝 | A kind of intermetallic composite coating turning equipment |
| CN107671429A (en) * | 2017-11-16 | 2018-02-09 | 惠州市契贝科技有限公司 | Loop laser marking machine |
| CN108545263A (en) * | 2018-05-14 | 2018-09-18 | 温州海航机械有限公司 | The packaging bag sealing equipment of four banding tableware packing machine of full-automatic multiple row |
| CN109175423A (en) * | 2018-11-16 | 2019-01-11 | 镇江申庭电子科技有限公司 | A kind of lathe is with can 360 ° of indexing cutterheads rotated freely |
| CN109773541A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | Numerically-controlled machine tool is switched fast equipment with cutter |
| CN111299640A (en) * | 2019-11-05 | 2020-06-19 | 太仓金钢重机轧辊有限公司 | Automatic tool changing drilling machine |
| CN111300108A (en) * | 2020-03-11 | 2020-06-19 | 姚利娟 | Novel material processing device capable of automatically changing tools by utilizing gear turnover movement |
| CN111702523A (en) * | 2020-07-24 | 2020-09-25 | 陈建 | Horizontal compound numerical control lathe |
| CN114985787A (en) * | 2022-08-05 | 2022-09-02 | 溧阳市康宏机械有限公司 | Turret device with main shaft self-protection function for numerical control lathe |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160518 Address after: 362000, Fujian, Quanzhou province Anxi County Court industry and Trade Park Patentee after: FUJIAN JIAYOU TEA MACHINERY INTELLIGENT TECHNOLOGY CO., LTD. Address before: 361000 No. 239, prosperous road, Huli District, Fujian, Xiamen three, China Patentee before: The great mechanical Science and Technology Ltd. of Xiamen power |
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| 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: 20140910 Termination date: 20200512 |