CN209097672U - A kind of continuous blanking type reason piece equipment - Google Patents

A kind of continuous blanking type reason piece equipment Download PDF

Info

Publication number
CN209097672U
CN209097672U CN201821495904.6U CN201821495904U CN209097672U CN 209097672 U CN209097672 U CN 209097672U CN 201821495904 U CN201821495904 U CN 201821495904U CN 209097672 U CN209097672 U CN 209097672U
Authority
CN
China
Prior art keywords
punching
shaft
blanking
filler ring
guide
Prior art date
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.)
Active
Application number
CN201821495904.6U
Other languages
Chinese (zh)
Inventor
李殷芝
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.)
Wenling Gangfeng Punch Parts Co Ltd
Original Assignee
Wenling Gangfeng Punch Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wenling Gangfeng Punch Parts Co Ltd filed Critical Wenling Gangfeng Punch Parts Co Ltd
Priority to CN201821495904.6U priority Critical patent/CN209097672U/en
Application granted granted Critical
Publication of CN209097672U publication Critical patent/CN209097672U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of continuous blanking types to manage piece equipment, the continuous blanking type reason piece equipment is related to punching production equipment, including rack, the workbench and feeding guide that are set in the rack, frame body, the filler ring positioned at the frame body two sides, the shaft that is arranged on the filler ring are provided on the workbench, the motor for driving the shaft rotation is provided in the rack, the peripheral outer wall of the shaft is provided with positioning strip;It is provided with the conveyer belt of bidirectional-movement on the frame body, it is described used for conveyer belt to be delivered in the shaft in by the punching on the feeding guide;Positioning arrangement is carried out to punching by the shaft and positioning strip of rotation, and is aided with the blanking direction that bolt adjusts punching to mobile conveyer belt, continuous lower cooking piece operation is realized, to effectively improve the production efficiency of rotor punching.

Description

A kind of continuous blanking type reason piece equipment
Technical field
The utility model relates to punching production equipment field, in particular to a kind of continuous blanking type manages piece equipment.
Background technique
After processing motor rotor punching sheet, need to arrange rotor punching.Existing reason sheet mode is two people behaviour Make, a people send piece, people's contact pin.The people of contact pin puts aside punching, since the time is short, can not carry out reason piece.Punching It also wants special messenger that piece is managed by the direction of mark slot by hand after the completion, then weighs or count, working efficiency is low, labor intensity Greatly, and it is time-consuming and laborious.
Authorization Notice No. is that the Chinese patent of CN201985702U discloses a kind of device for collecting motor rotor punching, it is wrapped Rewinding guide rail and mold connecting plate are included, the rewinding guide rail includes U-shaped fixed block, O-shaped fixed block and guide rod, and described is U-shaped Fixed block, O-shaped fixed block and guide rod are welded and fixed;After the mold connecting plate and rewinding guide rail is welded and fixed, under mold Die holder material-dropping hole is connected by screw to.
Be in place of the deficiencies in the prior art, when the rewinding guide rail of above-mentioned collection device can pass through mould punching to punching to Under thrust, punching is constantly forced into rewinding guide rail to lower die holder material-dropping hole, to realize the automatic collection of punching;It receives It needs manually to take out the punching of mobile phone after the completion of material, then carries out reason piece, influence the production efficiency of rotor punching.
Utility model content
The purpose of the utility model is to provide a kind of continuous blanking types to manage piece equipment, and which solve in punching machine blanking process Automatic material receiving manages the problem of piece, has the advantages that improve the production efficiency of rotor punching.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of continuous blanking type reason piece equipment, including rack, the workbench and feeding guide that are set in the rack, institute It states and is provided with frame body, the filler ring positioned at the frame body two sides, the shaft that is arranged on the filler ring on workbench, in the rack It is provided with the motor for driving the shaft rotation, the peripheral outer wall of the shaft is provided with positioning strip;It is provided on the frame body The conveyer belt of bidirectional-movement, it is described used for conveyer belt to be delivered in the shaft in by the punching on the feeding guide.
Using the above scheme, using thrust downward to punching when mould punching, feeding guide and defeated is successively passed through in punching Band is sent, is eventually delivered in the shaft of side, while motor drives the positioning strip rotation in shaft and shaft, when positioning strip turns When moving to the notch of punching internal perisporium, punching falls on filler ring along positioning strip and is organized collection, when punching is collected to one When quantitative, conveyer belt is rotated backward, and punching is transported to carrying out blanking in the shaft of the other side;In the process, by reason piece behaviour Make in conjunction with blanking operation mechanization, by the reasonable combination of two sides dynamic blanking, realizes continuous lower cooking piece operation, from And effectively improve the production efficiency of rotor punching.
Further preferably are as follows: blanking guide rail is provided on the frame body, the blanking guide rail is close to one end of the filler ring Lower than close to one end of the rack, the lower end of the blanking guide rail is fixed with lower hopper, is provided on the lower hopper for institute State the round platform hole that shaft is worn.
Using the above scheme, make the horizontal movement of punching on the conveyor belt, be changed on blanking guide rail obliquely Movement, final punching moves on lower hopper, and is sheathed in shaft under the guiding role of the inner wall of round platform hole, and realization is being rushed Guide-localization in piece blanking process, to effectively improve the production efficiency of rotor punching.
Further preferably are as follows: the upper end of the blanking guide rail is provided with the guide plate opened to two sides, and the guide plate is used It is directed on the blanking guide rail in by the single punching on the conveyer belt.
Using the above scheme, since punching on blanking guide rail when moving on lower hopper, there are still continue to move for punching Dynamic inertia force is continued to move to even be detached from lower hopper by baffle punching, punching is enabled successfully to slide to round platform hole It is interior, to improve the blanking efficiency of punching.
Further preferably are as follows: the guide plate opened to two sides is provided on the blanking guide rail, the guide plate is used for will Single punching on the conveyer belt is directed on the blanking guide rail.
Using the above scheme, due to there are multiple punchings on conveyer belt side by side, using the guiding role of guide plate, on the one hand Punching can slide on blanking guide rail along guide surface, on the other hand since the spacing between guide plate is gradually reduced, guide plate it Between punching side by side therewith by it is regular be single stamping arranged side by side, punching is individually continuously slid on lower hopper, Multiple punching blocking round platform holes are avoided, to improve the blanking efficiency of punching.
Further preferably are as follows: the outer wall of the shaft is socketed with baffle ring, and at least two lifting airs are provided in the rack Cylinder, the piston rod of the lifting cylinder are fixed in the shaft, for driving the end face of the baffle ring to be connected to the filler ring End face on.
Using the above scheme, lifting cylinder drive shaft and baffle ring move up, and baffle ring abuts filler ring, and band during moving up Dynamic filler ring together on move at lower hopper, and punching is collected, after collection, under lifting cylinder drive shaft and baffle ring It moves, shaft and baffle ring progressively disengage filler ring, at this time directly remove the punching that sieve is folded on filler ring.
Further preferably are as follows: the shaft is provided with the first guide surface, first guiding far from one end of the baffle ring Face is used to for the punching on the conveyer belt being directed to the top of the positioning strip.
Using the above scheme, using the guiding role of guide surface, the punching fallen in shaft can be with the first guide surface It moving down, and is set in outside shaft, when below the slot position that positioning strip turns to punching, punching can rabbet outside positioning strip, Quick reason piece operation is realized, to improve the reason piece efficiency of punching.
Further preferably are as follows: the positioning strip is provided with the second guide surface far from one end of the baffle ring, and described second leads It is used to for the punching guiding in the shaft being embedded in outside the positioning strip to face.
Using the above scheme, the guiding role of guide surface, when below the slot position that positioning strip turns to punching, punching are utilized Directly move down and rabbet outside positioning strip along guide surface, avoid between punching and positioning strip dock it is not in place, to improve punching The reason piece efficiency of piece.
Further preferably are as follows: the stepped hole worn for the shaft and the baffle ring is provided on the workbench;It is described When baffle ring is detached from the filler ring, the filler ring is embedded in the stepped hole, and the filler ring is connected to the interior of the stepped hole Wall.
Using the above scheme, it is entrenched in filler ring in stepped hole, so that the movement of filler ring is limited, when the punching quilt on filler ring When removing, the position of filler ring will not be impacted, convenient for shaft wearing on filler ring and be positioned.
Further preferably are as follows: push plate, at least two blanking cylinders, several blanking cylinders are provided on the workbench Piston rod be fixed in the push plate, for driving the push plate that punching on the filler ring is pushed to be detached from the filler ring.
Using the above scheme, after the punching decline on lifting cylinder control filler ring, blanking cylinder pushes vertical plate mobile, vertical plate Punching on filler ring is pushed away into filler ring, without manually removing the punching on filler ring, the workload of operator is reduced, avoids simultaneously Filler ring accidentally injures operator in lifting process, while taking into account efficient, has the advantages that safe and reliable.
Further preferably are as follows: the push plate is arc panel.
Using the above scheme, the rounded face cooperation of the punching in the cambered surface and filler ring in push plate, enables punching steady Ground moves along a straight line and pushed away from filler ring, to improve the production efficiency of punching.
In conclusion the utility model has the following beneficial effects:
1. carrying out positioning arrangement to punching by the shaft and positioning strip rotated, and it is aided with bolt and is adjusted to mobile conveyer belt Continuous lower cooking piece operation is realized, to effectively improve the production efficiency of rotor punching in the blanking direction of punching;
2. being directed in shaft layer by layer by blanking guide rail and the lower hopper piece that liquidates, to improve the reason piece efficiency of equipment;
3. controlling filler ring lifting by lifting cylinder, then controls push plate and push away the punching on filler ring, set to improve Standby blanking efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the reason piece equipment of embodiment;
Fig. 2 is the connection relationship diagram between the workbench of embodiment and conveying mechanism;
Fig. 3 is the connection relationship diagram between the blanking guide rail, lower hopper and device for piling sheets structure of embodiment;
Fig. 4 is the enlarged drawing in the portion A of Fig. 3, the structure for showing shaft and positioning strip;
Fig. 5 is the connection relationship diagram between the workbench of embodiment, device for piling sheets structure and cutting agency.
In figure, 1, rack;2, workbench;21, stepped hole;3, conveying mechanism;31, feeding guide;32, frame body;33, it conveys Band;34, blanking guide rail;35, lower hopper;36, round platform hole;37, guide plate;38, baffle;4, filler ring;5, device for piling sheets structure;51, it rises Sending down abnormally ascending cylinder;52, shaft;521, the first guide surface;53, pedestal;54, motor;55, positioning strip;551, the second guide surface;56, One gear;57, second gear;58, baffle ring;6, cutting agency;61, blanking cylinder;62, push plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of continuous blanking type reason piece equipment, as shown in Figure 1, including rack 1, the workbench 2 being set in rack 1, setting The conveying mechanism 3, filler ring 4, the folded sieve of the punching for conveying conveying mechanism 3 that are placed on workbench 2 are aligned to the reason on filler ring 4 Piece mechanism 5, the cutting agency 6 for driving the punching on filler ring 4 to move far from filler ring 4.Using when mould punching to punching to Under thrust, punching is delivered on device for piling sheets structure 5 by conveying mechanism 3, and device for piling sheets structure 5 be aligned the slot position in punching, and general Punching is successively folded on sieve to filler ring 4, when punching collect to it is a certain amount of when, cutting agency 6 drives the punching on filler ring 4 horizontal remote again From filler ring 4, realize that piece blanking is managed in mechanization.
Referring to Fig. 2, conveying mechanism 3 includes the feeding guide 31 being set in rack 1, the frame body being set on workbench 2 32, the conveyer belt 33 that is set on frame body 32 and positioned at 33 two sides of conveyer belt blanking guide rail 34, be fixed under blanking guide rail 34 The lower hopper 35 with round platform hole 36 at end.Wherein, conveyer belt 33 can bidirectional-movement and be located at 31 downstream of feeding guide, feeding guide 31 are lower than the other end close to one end of conveyer belt 33, and blanking guide rail 34 is higher than the other end close to one end of conveyer belt 33.Utilize mould Has thrust downward to punching when punching press, punching successively passes through feeding guide 31 and conveyer belt 33, is eventually delivered to blanking and leads On rail 34, the guide plate 37 opened to two sides is provided on blanking guide rail 34, the spacing between guide plate 37 is gradually reduced, leads To the punching side by side between plate 37 therewith by it is regular be single stamping arranged side by side, punching is individually continuously slid onto down On hopper 35.To avoid punching from continuing to move to even be detached from lower hopper 35,35 upper end of lower hopper is fixed with the baffle 38 of arc, keeps off The both ends of plate 38 are both secured to the lower end of blanking guide rail 34, so that punching can successfully slide in round platform hole 36.
Referring to Fig. 3, device for piling sheets structure 5 includes being fixed on rack 1(referring to Fig.1) on lifting cylinder 51, be fixed on lifting air Shaft 52 and pedestal 53 on the piston rod of cylinder 51, the motor 54 being fixed on pedestal 53, the positioning strip being fixed in shaft 52 55.The output end of motor 54 is rotatably connected to first gear 56, the lower part of shaft 52 is arranged with engaged with first gear 56 Two gears 57, motor 54 are rotated by driving first gear 56, and second gear 57 and shaft 52 is successively driven to rotate.In addition, Baffle ring 58 is nested and fixed in the middle part of shaft 52, and lifting cylinder 51 drives shaft 52 and baffle ring 58 to move up, keeps off during moving up Ring 58 abuts filler ring 4, from driving filler ring 4 to move up together, until the upper surface of filler ring 4 abuts the lower end surface of lower hopper 35.
Referring to Fig. 4, the upper end of shaft 52 is provided with the first guide surface 521, and the upper end of positioning strip 55 is provided with the second guiding Face 551.Referring to Fig. 3 and Fig. 4, the punching after inner wall guide normalizing by round platform hole 36 falls to 52 top of shaft, then rushes Piece is moved down with the first guide surface 521, and is socketed in the outside of shaft 52, when positioning strip 55 turns to below the slot position of punching When, punching can rabbet outside positioning strip 55, realize mechanization reason piece operation.
Referring to figure, 5, cutting agency 6 includes the blanking cylinder 61 for being set on workbench 2 and being located at 32 two sides of frame body, solid Due to the push plate 62 of 61 piston rod end of blanking cylinder.Wherein push plate 62 is arc panel.It is provided on workbench 2 for 52 He of shaft The stepped hole 21 that baffle ring 58 is worn;After lifting cylinder 51, which controls baffle ring 58, to be declined, baffle ring 58 is detached from filler ring 4, and filler ring 4 is embedded in In stepped hole 21, and filler ring 4 is connected to the inner wall of stepped hole 21.Then blanking cylinder 61 pushes vertical plate mobile, and vertical plate is by filler ring 4 On punching push away filler ring 4, realize mechanization blanking.
Working principle:
S1 feeding guide 31 transports in punching to conveyer belt 33, and conveyer belt 33 starts;
S2 lifting cylinder 51 starts, and shaft 52 and motor 54 move up therewith, and then baffle ring 58 drives filler ring 4 to move up and be detached from Stepped hole 21;
S3 motor 54 starts, and shaft 52 rotates with it, and filler ring 4 is connected to lower hopper 35,33 counter motion of conveyer belt;
Stamping on S4 conveyer belt 33 passes through blanking guide rail 34 and lower hopper 35, moves in shaft 52 and is organized alignment, Punching after alignment, which is fallen on filler ring 4, folds sieve collection;
S5 punching is collected to certain amount, 33 converting motion direction of conveyer belt;
S6 lifting cylinder 51 starts, and shaft 52 moves down, and motor 54 is closed, and then filler ring 4 is detached from baffle ring 58 and is embedded in platform In rank hole 21;
S7 shaft 52, which is displaced downwardly to, is detached from filler ring 4, and blanking cylinder 61 starts, and push plate 62 moves horizontally, the stamping on filler ring 4 It pushed away from filler ring 4;
S8 push plate 62 resets, and continues to manage piece blanking operation referring to S1-S7.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as within the protection scope of the present utility model all by the protection of Patent Law.

Claims (10)

1. a kind of continuous blanking type manages piece equipment, including rack (1), the workbench (2) being set on the rack (1) and feeding Guide rail (31), it is characterized in that: the filler ring for being provided with frame body (32) on the workbench (2), being located at the frame body (32) two sides (4), the shaft (52) being arranged on the filler ring (4) is provided with the electricity for driving shaft (52) rotation on the rack (1) The peripheral outer wall of machine (54), the shaft (52) is provided with positioning strip (55);Bidirectional-movement is provided on the frame body (32) Conveyer belt (33), the conveyer belt (33) are used to the punching on the feeding guide (31) being delivered to the shaft (52).
2. a kind of continuous blanking type according to claim 1 manages piece equipment, it is characterized in that: being provided on the frame body (32) Blanking guide rail (34), the blanking guide rail (34) are lower than close to the one end of the filler ring (4) close to the one end of the rack (1), The lower end of the blanking guide rail (34) is fixed with lower hopper (35), is provided on the lower hopper (35) and is worn for the shaft (52) If round platform hole (36).
3. a kind of continuous blanking type according to claim 2 manages piece equipment, it is characterized in that: the lower hopper (35) is close to institute The one end for stating blanking guide rail (34) is fixed with the baffle (38) of arc, and the both ends of the baffle (38) are both secured to the blanking and lead The lower end of rail (34).
4. a kind of continuous blanking type according to claim 2 manages piece equipment, it is characterized in that: setting on the blanking guide rail (34) It is equipped with the guide plate (37) opened to two sides, the guide plate (37) is used to for the single punching on the conveyer belt (33) being oriented to On to the blanking guide rail (34).
5. a kind of continuous blanking type according to claim 2 manages piece equipment, it is characterized in that: the outer wall set of the shaft (52) It is connected to baffle ring (58), is provided at least two lifting cylinders (51) on the rack (1), the piston rod of the lifting cylinder (51) It is fixed on the shaft (52), for driving the end face of the baffle ring (58) to be connected to the end face of the filler ring (4).
6. a kind of continuous blanking type according to claim 5 manages piece equipment, it is characterized in that: the shaft (52) is far from described One end of baffle ring (58) is provided with the first guide surface (521), and first guide surface (521) is used for the conveyer belt (33) Punching be directed to the tops of the positioning strip (55).
7. a kind of continuous blanking type according to claim 5 manages piece equipment, it is characterized in that: the positioning strip (55) is far from institute The one end for stating baffle ring (58) is provided with the second guide surface (551), and second guide surface (551) is used for the shaft (52) Punching guiding be embedded in the positioning strip (55) outside.
8. a kind of continuous blanking type according to claim 5 manages piece equipment, it is characterized in that: being arranged on the workbench (2) There is the stepped hole (21) worn for the shaft (52) and the baffle ring (58);When the baffle ring (58) is detached from filler ring (4), The filler ring (4) is embedded in the stepped hole (21), and the filler ring (4) is connected to the inner wall of the stepped hole (21).
9. a kind of continuous blanking type according to claim 1 manages piece equipment, it is characterized in that: being arranged on the workbench (2) There are push plate (62), at least two blanking cylinders (61), the piston rod of several blanking cylinders (61) is fixed on the push plate (62) on, for driving the push plate (62) that the punching on the filler ring (4) is pushed to be detached from the filler ring (4).
10. a kind of continuous blanking type according to claim 9 manages piece equipment, it is characterized in that: the push plate (62) is arc Plate.
CN201821495904.6U 2018-09-13 2018-09-13 A kind of continuous blanking type reason piece equipment Active CN209097672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821495904.6U CN209097672U (en) 2018-09-13 2018-09-13 A kind of continuous blanking type reason piece equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821495904.6U CN209097672U (en) 2018-09-13 2018-09-13 A kind of continuous blanking type reason piece equipment

Publications (1)

Publication Number Publication Date
CN209097672U true CN209097672U (en) 2019-07-12

Family

ID=67152556

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821495904.6U Active CN209097672U (en) 2018-09-13 2018-09-13 A kind of continuous blanking type reason piece equipment

Country Status (1)

Country Link
CN (1) CN209097672U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110668130A (en) * 2019-10-09 2020-01-10 精海联科(宁波)智能设备有限公司 Directional conveyor of avocado
CN110713026A (en) * 2019-10-09 2020-01-21 精海联科(宁波)智能设备有限公司 Directional avocado conveying assembly line and directional avocado conveying method
CN110784078A (en) * 2019-10-22 2020-02-11 靖江市天勤电机科技有限公司 Punch swinging, receiving, stator and rotor integrated arranging machine
CN111804835A (en) * 2020-07-03 2020-10-23 浙江实日机电科技有限公司 High-precision stacking equipment for motor rotor punching sheet
CN111846752A (en) * 2020-08-26 2020-10-30 刘娜 Waste metal slag recovery processing system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110668130A (en) * 2019-10-09 2020-01-10 精海联科(宁波)智能设备有限公司 Directional conveyor of avocado
CN110713026A (en) * 2019-10-09 2020-01-21 精海联科(宁波)智能设备有限公司 Directional avocado conveying assembly line and directional avocado conveying method
CN110668130B (en) * 2019-10-09 2021-07-02 精海联科(宁波)智能设备有限公司 Directional conveyor of avocado
CN110713026B (en) * 2019-10-09 2021-07-02 精海联科(宁波)智能设备有限公司 Directional avocado conveying assembly line and directional avocado conveying method
CN110784078A (en) * 2019-10-22 2020-02-11 靖江市天勤电机科技有限公司 Punch swinging, receiving, stator and rotor integrated arranging machine
CN111804835A (en) * 2020-07-03 2020-10-23 浙江实日机电科技有限公司 High-precision stacking equipment for motor rotor punching sheet
CN111846752A (en) * 2020-08-26 2020-10-30 刘娜 Waste metal slag recovery processing system

Similar Documents

Publication Publication Date Title
CN209097672U (en) A kind of continuous blanking type reason piece equipment
CN206203430U (en) The bunching device of shear line is smoothed in a kind of uncoiling
CN205599757U (en) Motorcycle engine baffle punch press
CN109955315A (en) A kind of efficient feeding and perforating device for luggage processing
CN103302196A (en) Automatic recovery system for punching machine wastes
CN201015395Y (en) Square steamed bread making machine
CN203265450U (en) Punch press waste material automatic recovery system
CN106956926A (en) Full-automatic die casting depiler
CN208327814U (en) A kind of novel glass cutting machine
CN206486086U (en) A kind of label profile cutting means
CN211519006U (en) A molding press for books
CN205498101U (en) Improved generation beverage can's compressing equipment
CN213468564U (en) Continuous sorting unit of old and useless non ferrous metal
CN214022028U (en) Kiwi fruit sorting machine in grades
CN210210647U (en) Paper device without stopping mechanism for die cutting and sheet breaking
CN207791288U (en) Sheet metal work assists packaging system
CN210177251U (en) Fabric cutting and collecting device and full-automatic fabric cutting and sewing system
CN214219187U (en) Non-woven fabrics bead cutter for function is retrieved to tails
CN206529122U (en) Split single-colour offset press and its delivery device
CN214556602U (en) Bottle cap-shaped punch forming die
CN210138967U (en) Stamping device is used in processing of motorcycle tail-hood
CN212763659U (en) Rubber product cutting device with waste collection function
CN209626261U (en) A kind of cylindrical battery double-station covering machine
CN208440060U (en) Myopia prevention notebook processing unit (plant)
CN208496129U (en) Blanking mechanism and steel belt welding machine device people

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant