CN107380937A - Shaft-like workpiece transport establishment - Google Patents

Shaft-like workpiece transport establishment Download PDF

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Publication number
CN107380937A
CN107380937A CN201710740075.7A CN201710740075A CN107380937A CN 107380937 A CN107380937 A CN 107380937A CN 201710740075 A CN201710740075 A CN 201710740075A CN 107380937 A CN107380937 A CN 107380937A
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CN
China
Prior art keywords
movable plate
workpiece
shaft
frame
moving mechanism
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710740075.7A
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Chinese (zh)
Other versions
CN107380937B (en
Inventor
王小龙
王世明
李刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yigong Robot Yinchuan Co ltd
Original Assignee
Jinshi Robot Yinchuan Co Ltd
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Priority to CN201710740075.7A priority Critical patent/CN107380937B/en
Publication of CN107380937A publication Critical patent/CN107380937A/en
Application granted granted Critical
Publication of CN107380937B publication Critical patent/CN107380937B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00Mechanical conveyors not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02Articles
    • B65G2201/0214Articles of special size, shape or weigh
    • B65G2201/0217Elongated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Conveyors (AREA)

Abstract

The present invention provides a kind of shaft-like workpiece transport establishment, support member and moving member including frame and in frame, support member includes the limiting plate in frame, limiting plate upper end is arranged at intervals with multiple the first stopper slots for being used to place shaft-like workpiece along its length, moving member includes movable plate and transverse moving mechanism and longitudinal moving mechanism on movable plate, movable plate upper end is arranged at intervals with multiple the second stopper slots for being used to place shaft-like workpiece along its length, transverse moving mechanism is used to drive movable plate along transporting direction to move back and forth, longitudinal moving mechanism is used to drive movable plate vertically to move up and down.A kind of shaft-like workpiece transport establishment provided by the invention, the workpiece step-by-step movement on limiting plate is transported to transporting direction using transverse moving mechanism and longitudinal moving mechanism driving movable plate, it is effectively spacing to shaft-like workpiece during transport, prevent workpiece from rolling everywhere, conevying efficiency is high.

Description

Shaft-like workpiece transport establishment
Technical field
The present invention relates to mechanical transport equipment technical field, more particularly to a kind of shaft-like workpiece transport establishment.
Background technology
Due to the characteristic that shaft-like workpiece outside wall surface is periphery, shaft-like workpiece is easily sent out during transmitting on the conveyor belt It is raw to roll, it is unfavorable for transporting, in the prior art, is described in patent CN201410811235.9 a kind of solid using being set on chain Determine the structure of axial workpiece, rotated using sprocket wheel drive chain so as to be transported to workpiece, prevent from producing in part transportation Raw movement, however, the cooperation of sprocket wheel and chain can not meet the step-by-step movement transport of shaft-like workpiece, therefore, being badly in need of one kind can be steady Fixed, step-by-step movement transport shaft-like workpiece mechanism.
The content of the invention
The technical problems to be solved by the invention are:In order to overcome the step-by-step movement transport for lacking shaft-like workpiece in the prior art The deficiency of mechanism, the present invention provide a kind of shaft-like workpiece transport establishment.
The present invention solves its technical problem technical scheme to be taken:A kind of shaft-like workpiece transport establishment, including machine Frame and support member and moving member in the frame, the support member include the limiting plate in the frame, institute State limiting plate upper end and be arranged at intervals with multiple the first stopper slots for being used to place shaft-like workpiece, the moving member bag along its length Include movable plate and transverse moving mechanism and longitudinal moving mechanism on the movable plate, the movable plate upper end edge length Direction is arranged at intervals with multiple the second stopper slots for being used to place shaft-like workpiece, and the movable plate and spacing plate axis are along transport Direction is set, and the transverse moving mechanism is used to drive the movable plate along transporting direction to move back and forth, described to vertically move machine Structure is used to drive the movable plate vertically to move up and down so as to control the workpiece to fall into first stopper slot or the In two stopper slots.
Frame is used to support support member and moving member, sets the first stopper slot to place on limiting plate interior in a big way Shaft-like workpiece, play a part of Primary Location to shaft-like workpiece, when the second stopper slot is set on movable plate for movable plate movement Shaft-like workpiece follows movable plate to move under the drive of the second stopper slot, and longitudinal moving mechanism driving movable plate is used when moving upwards Fallen into the workpiece in the stopper slot of limiting plate first is jacked up in the second stopper slot on movable plate, longitudinal moving mechanism drives The first stopper slot when dynamic movable plate moves downward for the workpiece in the stopper slot of movable plate second to be fallen on limiting plate Interior, transverse moving mechanism is used to move to transporting direction when there is workpiece on movable plate, and workpiece is transported to transporting direction, To movement is resetted in the opposite direction with transporter after movable plate transports finished piece(s), subsequent cycle is waited to carry out workpiece fortune Defeated, transverse moving mechanism and longitudinal moving mechanism are cooperated, reciprocation cycle, and workpiece is formed into step-by-step movement fortune to transporting direction It is defeated, prevent workpiece from rolling everywhere, conevying efficiency is high.
Further, the support member includes two limiting plates being oppositely arranged, and 2 points of supports are more stable, by axle class Workpiece both ends are not easy to drop on two limiting plates, are equipped with two limiting plates for adjusting two limiting plates Between spacing regulating part, by regulating part adjust two limiting plates between spacing one adapt to different length workpiece, use model Enclose extensively, for the movable plate between two limiting plates, plate easy to remove makes workpiece from the first stopper slot when jacking up upwards Upper disengaging, which is dropped into the second stopper slot, is transported.
Further, for the ease of the spacing between two limiting plates of regulation to adapt to the workpiece of different length, the regulating part Including the regulating block on the limiting plate, the regulating block is provided with kidney ellipsoid through hole, the kidney ellipsoid through hole major diameter edge The limiting plate width is set, and the regulating block is connected by bolt through the kidney ellipsoid through hole with the frame.Adopt It is simple in construction with the cooperation of bolt and kidney ellipsoid through hole, it is easy to adjust.
Further, the moving member includes multiple vertical movable plates between two limiting plates, the movement Connecting plate is provided between plate.Spacing between movable plate is used to block the step on shaft-like workpiece, prevents during workpiece transport Only workpiece axial displacement, dropped from movable plate.
Further, in order that workpiece is self-positioning on limiting plate and movable plate and workpiece is not easy to skid off the first stopper slot and Two stopper slots, first stopper slot and the second stopper slot are corresponding V-shaped groove or deep-slotted chip breaker.
Further, in order to realize that transverse moving mechanism can drive movable plate to move back and forth along transporting direction, the transverse direction Travel mechanism includes sliding block and guide pad, and the sliding block is fixedly connected with the movable plate, and the guide pad is located at the frame On, the sliding block is slidably connected with the guide pad, the sliding block be used for drive the movable plate along the transporting direction back and forth Slide.In frame, the relative position of guide pad and limiting plate in the conveying direction is constant, mobile for guide pad and limiting plate Plate need along transporting direction move back and forth when, sliding block occurs with respect to sliding in the conveying direction with guide pad, then movable plate is being transported Relatively moved on defeated direction with limiting plate, movable plate is transported workpiece.
Further, occur to slide relatively in the conveying direction to realize sliding block with guide pad, the sliding block lower end is provided with Slide bar, the guide pad upper end are provided with the chute coordinated with the slide bar, and the chute is set along transporting direction.
Further, in order to realize that longitudinal moving mechanism can drive movable plate vertically to move up and down, the longitudinal direction Travel mechanism includes several guide rods and the guide sleeve coordinated with the guide rod, the guide rod upper end and the guiding Block is fixedly connected, and the guide rod lower end is vertically extended to below the frame through the frame, the guide sleeve It is sheathed on the guide rod, the guide sleeve is fixedly connected with the frame, cooperation of the guide pad in guide rod and guide sleeve Under can vertically move up and down, the guide pad be used for drive the movable plate vertically to slide up and down, be oriented to Band movable slider and movable plate in the vertical direction move up and down when being moved under block in the vertical direction, so as to realize movable plate Workpiece on limiting plate is jacked up.
The beneficial effects of the invention are as follows:A kind of shaft-like workpiece transport establishment provided by the invention, using transverse moving mechanism The workpiece step-by-step movement on limiting plate is transported to transporting direction with longitudinal moving mechanism driving movable plate, to shaft-like workpiece during transport It is effectively spacing, prevent workpiece from rolling everywhere, conevying efficiency is high.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of preferred embodiment;
Fig. 2 is the enlarged diagram of A in Fig. 1;
Fig. 3 is the operating diagram of preferred embodiment;
Fig. 4 is the diagrammatic cross-section of B in Fig. 3;
Fig. 5 is the structural representation of movable plate;
Fig. 6 is the structural representation of limiting plate;
Fig. 7 is the structural representation of guide pad;
Fig. 8 is the structural representation of sliding block;
Fig. 9 is the structural representation of regulating block.
In figure:1st, frame, 2, limiting plate, the 3, first stopper slot, 4, movable plate, the 5, second stopper slot, 6, regulating block, 7, waist Manhole, 8, connecting plate, 9, sliding block, 10, guide pad, 11, slide bar, 12, chute, 13, guide rod, 14, guide sleeve, 15, One cylinder, the 16, second cylinder.
Embodiment
Presently in connection with accompanying drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way The basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figs 1-9, a kind of shaft-like workpiece transport establishment of the invention, including frame 1 and in the frame 1 Support member and moving member, the support member includes the limiting plate 2 in the frame 1, the upper end edge length of limiting plate 2 Direction is arranged at intervals with multiple the first stopper slots 3 for being used to place shaft-like workpiece, and first stopper slot 3 is uniformly located at the limit Position plate 2 upper end, the moving member include movable plate 4 and transverse moving mechanism on the movable plate 4 and vertically moved Mechanism, the upper end of movable plate 4 are arranged at intervals with multiple the second stopper slots 5 for being used to place shaft-like workpiece, institute along its length State the second stopper slot 5 and be uniformly located at the upper end of movable plate 4, first stopper slot 3 is that size is identical with the second stopper slot 5 V-shaped groove, movable plate 4 and limiting plate 2 axis sets along transporting direction, and the transverse moving mechanism is used to driving described Movable plate 4 moves back and forth along transporting direction, and the longitudinal moving mechanism is used to drive the movable plate 4 vertically to transport up and down Move so as to control the workpiece to fall into the stopper slot 5 of the first stopper slot 3 or second.
The support member includes two limiting plates 2 being oppositely arranged, and is equipped with two limiting plates 2 for adjusting The regulating part of spacing between two limiting plates 2 of section, the movable plate 4 is between two limiting plates 2.
The regulating part includes the regulating block 6 on the limiting plate 2, and the regulating block 6 is located under the limiting plate 2 Hold and be welded to connect with the limiting plate 2, the regulating block 6 is provided with kidney ellipsoid through hole 7, the major diameter edge of kidney ellipsoid through hole 7 The width of limiting plate 2 is set, and the adjustable side lower end is attached in the frame 1, the frame 1 be provided with it is described The screwed hole that kidney ellipsoid through hole 7 coordinates, the regulating block 6 are passed through on the kidney ellipsoid through hole 7 and the frame 1 by bolt Screwed hole is threadedly coupled.
The moving member includes two vertical movable plates 4 between two limiting plates 2, the movable plate 4 it Between be provided with connecting plate 8, movable plate 4 and the connecting plate 8 integrally connected.
The transverse moving mechanism includes sliding block 9 and guide pad 10, and the sliding block 9 is fixedly connected with the movable plate 4, tool Body is that the bottom of sliding block 9 is provided with multiple counter sinks, is connected using bolt through counter sink with the bottom thread of movable plate 4, so as to Sliding block 9 and movable plate 4 are fixed, in the frame 1, the sliding block 9 slides the guide pad 10 with the guide pad 10 Connection, the lower end of sliding block 9 are provided with slide bar 11, and the upper end of guide pad 10 is provided with the chute 12 coordinated with the slide bar 11, institute Chute 12 is stated to set along transporting direction, the movable plate 4 be provided be used for drive the movable plate 4 along the transporting direction back and forth The first cylinder 15 slided, the cylinder body of the first cylinder 15 are fixedly connected with the movable plate 4, the output end of the first cylinder 15 It is fixedly connected with the guide pad 107, the output end axis of the first cylinder 15 is set along transporting direction.
The longitudinal moving mechanism includes two guide rods 13 and the guide sleeve 14 coordinated with the guide rod 13, described Guide rod 13 is symmetrically set in the both ends of the transporting direction of guide pad 10, and the upper end of guide rod 13 is fixed with the guide pad 10 Connection, the lower end of guide rod 13 vertically extend to the lower section of frame 1, the guide sleeve 14 through the frame 1 It is sheathed on the guide rod 13, circumferentially arranged with method pulling plate on the lateral wall of guide sleeve 14, is uniformly set on the ring flange There are multiple through holes, guide sleeve 14 is fixedly connected with the frame 1 through the through hole on ring flange using bolt, the guide pad 10 are used to drive the movable plate 4 vertically to slide up and down.The guide pad 10, which is provided with, to be used to drive the movable plate 4 The second cylinder 16 vertically slided up and down, the cylinder body of the second cylinder 16 are fixedly connected with the frame 1, and described second The output end of cylinder 16 is fixedly connected with the center of guide pad 10, and the output end axis of the second cylinder 16 is vertically Set.
The course of work:
Before starting transport, the second cylinder 16, which shrinks, makes V-shaped groove on movable plate 4 less than the V-shaped groove on limiting plate 2, and first Cylinder 15, which stretches out, pushes up movable plate 4 to transport initiating terminal;
When starting transport, shaft-like workpiece is crossed on the V-shaped groove of two limiting plates 2 of transport establishment's initiating terminal first, so The output end of the second cylinder 16 is stretched out and is directed to block 10 and jacks up afterwards, and guide pad 10 applies active force by the bottom wall of chute 12 to slide bar 11 Sliding block 9 is jacked up, movable plate 4 is moved upwards in the presence of sliding block 9, and workpiece is jacked up and fallen into from the V-shaped groove on limiting plate 2 In V-shaped groove on movable plate 4, then the output end of the first cylinder 15, which is shunk, moves movable plate 4 to transporting direction, and workpiece is with shifting Dynamic plate 4 moves to transporting direction, and then the output end of the second cylinder 16 is shunk movable plate 4 and declined, and workpiece is from the V-arrangement on movable plate 4 Groove is fallen into the V-shaped groove of limiting plate 2, and now warp-wise transporting direction moves a station to workpiece, and subsequent first cylinder 15 is defeated Go out end stretching to push up movable plate 4 to transport initiating terminal, complete a transportation cycle;
Continue to be put into a workpiece in transport establishment's initiating terminal, then repeat the above steps, a circulation can be by workpiece A station is moved to transporting direction, so moves in circles, completes the transport of shaft-like workpiece.
Arrow represents the moving direction of movable plate 4 in Fig. 3.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, related staff Various changes and amendments can be carried out in without departing from the scope of the present invention completely.The technical scope of this invention is not The content being confined on specification, it is necessary to which its technical scope is determined according to right.

Claims (8)

  1. A kind of 1. shaft-like workpiece transport establishment, it is characterised in that:Support including frame (1) and in the frame (1) Part and moving member, the support member include the limiting plate (2) in the frame (1), limiting plate (2) the upper end edge length Direction be arranged at intervals with it is multiple be used to placing the first stopper slots (3) of shaft-like workpiece, the moving member include movable plate (4) and Transverse moving mechanism and longitudinal moving mechanism on the movable plate (4), movable plate (4) upper end along its length between Multiple it is used to place the second stopper slots (5) of shaft-like workpiece, the movable plate (4) and limiting plate (2) equal edge of axis every being provided with Transporting direction is set, and the transverse moving mechanism is used to drive the movable plate (4) along transporting direction to move back and forth, the longitudinal direction Travel mechanism is used to drive the movable plate (4) vertically to move up and down so as to control the workpiece to fall into first limit In position groove (3) or the second stopper slot (5).
  2. 2. shaft-like workpiece transport establishment as claimed in claim 1, it is characterised in that:The support member is oppositely arranged including two The limiting plate (2), be equipped with two limiting plates (2) for adjusting spacing between two limiting plates (2) Regulating part, the movable plate (4) is between two limiting plates (2).
  3. 3. shaft-like workpiece transport establishment as claimed in claim 2, it is characterised in that:The regulating part is included located at described spacing Regulating block (6) on plate (2), the regulating block (6) are provided with kidney ellipsoid through hole (7), and kidney ellipsoid through hole (7) major diameter is along institute The setting of limiting plate (2) width is stated, the regulating block (6) passes through the kidney ellipsoid through hole (7) and the frame by bolt (1) connect.
  4. 4. shaft-like workpiece transport establishment as claimed in claim 2, it is characterised in that:The moving member is located at vertically including multiple Movable plate (4) between two limiting plates (2), connecting plate (8) is provided between the movable plate (4).
  5. 5. shaft-like workpiece transport establishment as claimed in claim 1, it is characterised in that:First stopper slot (3) and the second limit Position groove (5) is corresponding V-shaped groove or deep-slotted chip breaker.
  6. 6. the shaft-like workpiece transport establishment as described in claim any one of 1-5, it is characterised in that:The transverse moving mechanism bag Sliding block (9) and guide pad (10) are included, the sliding block (9) is fixedly connected with the movable plate (4), and the guide pad (10) is located at institute State in frame (1), the sliding block (9) is slidably connected with the guide pad (10), and the sliding block (9) is used to drive the movable plate (4) slidably reciprocated along the transporting direction.
  7. 7. shaft-like workpiece transport establishment as claimed in claim 6, it is characterised in that:Sliding block (9) lower end is provided with slide bar (11), guide pad (10) upper end is provided with the chute (12) coordinated with the slide bar (11), and the chute (12) is along transporter To setting.
  8. 8. shaft-like workpiece transport establishment as claimed in claim 7, it is characterised in that:The longitudinal moving mechanism includes several Guide rod (13) and the guide sleeve (14) coordinated with the guide rod (13), guide rod (13) upper end and the guide pad (10) it is fixedly connected, guide rod (13) lower end is vertically extended under the frame (1) through the frame (1) Side, the guide sleeve (14) are sheathed on the guide rod (13), and the guide sleeve (14) is fixedly connected with the frame (1), The guide pad (10) is used to drive the movable plate (4) vertically to slide up and down.
CN201710740075.7A 2017-08-25 2017-08-25 Shaft workpiece conveying mechanism Active CN107380937B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710740075.7A CN107380937B (en) 2017-08-25 2017-08-25 Shaft workpiece conveying mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710740075.7A CN107380937B (en) 2017-08-25 2017-08-25 Shaft workpiece conveying mechanism

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CN107380937A true CN107380937A (en) 2017-11-24
CN107380937B CN107380937B (en) 2022-12-23

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CN (1) CN107380937B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108861505A (en) * 2018-06-25 2018-11-23 东莞市宝利德实业有限公司 A kind of axial workpiece oblique lifting conveying device
CN112061756A (en) * 2020-09-01 2020-12-11 太原科技大学 Reinforcing steel bar lifting and picking device
CN113501295A (en) * 2021-06-29 2021-10-15 唐山贺祥智能科技股份有限公司 Scaffold cross bar positioning and adjusting mechanism
CN113617685A (en) * 2021-07-17 2021-11-09 上海岩井精工结构件有限公司 Toothbrush axle check out test set

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020051060A (en) * 2000-12-22 2002-06-28 밍 루 Apparatus for loading rack bar
CN102632425A (en) * 2012-04-26 2012-08-15 深圳市神拓机电设备有限公司 Feeding and discharging manipulator
CN104609342A (en) * 2015-01-16 2015-05-13 华中科技大学 Horizontal-movement lifting equipment used for large cylindrical workpiece
CN105109896A (en) * 2015-09-15 2015-12-02 浙江乔兴建设集团湖州智能科技有限公司 Roller transportation mechanism of metal wire cut-off machine
CN105619213A (en) * 2016-01-07 2016-06-01 温州大学 Automatic polishing system for cylindrical workpiece
CN205520679U (en) * 2016-01-29 2016-08-31 奉化科盛微型轴业有限公司 Axle work piece processing autoloader
CN205834860U (en) * 2016-07-15 2016-12-28 佛山市名将自动化设备有限公司 A kind of feeding structure being applied to working shaft-like
CN207329568U (en) * 2017-08-25 2018-05-08 金石机器人银川有限公司 Shaft-like workpiece transport establishment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020051060A (en) * 2000-12-22 2002-06-28 밍 루 Apparatus for loading rack bar
CN102632425A (en) * 2012-04-26 2012-08-15 深圳市神拓机电设备有限公司 Feeding and discharging manipulator
CN104609342A (en) * 2015-01-16 2015-05-13 华中科技大学 Horizontal-movement lifting equipment used for large cylindrical workpiece
CN105109896A (en) * 2015-09-15 2015-12-02 浙江乔兴建设集团湖州智能科技有限公司 Roller transportation mechanism of metal wire cut-off machine
CN105619213A (en) * 2016-01-07 2016-06-01 温州大学 Automatic polishing system for cylindrical workpiece
CN205520679U (en) * 2016-01-29 2016-08-31 奉化科盛微型轴业有限公司 Axle work piece processing autoloader
CN205834860U (en) * 2016-07-15 2016-12-28 佛山市名将自动化设备有限公司 A kind of feeding structure being applied to working shaft-like
CN207329568U (en) * 2017-08-25 2018-05-08 金石机器人银川有限公司 Shaft-like workpiece transport establishment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108861505A (en) * 2018-06-25 2018-11-23 东莞市宝利德实业有限公司 A kind of axial workpiece oblique lifting conveying device
CN112061756A (en) * 2020-09-01 2020-12-11 太原科技大学 Reinforcing steel bar lifting and picking device
CN113501295A (en) * 2021-06-29 2021-10-15 唐山贺祥智能科技股份有限公司 Scaffold cross bar positioning and adjusting mechanism
CN113617685A (en) * 2021-07-17 2021-11-09 上海岩井精工结构件有限公司 Toothbrush axle check out test set

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Address after: 750021 First Floor, Section E, Building 3, Phase 1, Bearing Town, Jinfeng Industrial Park, Economic Development Zone, Yinchuan City, Ningxia Hui Autonomous Region

Patentee after: Yigong Robot Yinchuan Co.,Ltd.

Address before: 750021 Workshop 7, SME Entrepreneurship Base, West Zone, Yinchuan Development Zone, Ningxia Hui Autonomous Region

Patentee before: STON ROBOTICS YINCHUAN CO.,LTD.