CN107285033B - High-speed online paper spreading and lower sheet stacking system for electronic glass - Google Patents

High-speed online paper spreading and lower sheet stacking system for electronic glass Download PDF

Info

Publication number
CN107285033B
CN107285033B CN201710591992.3A CN201710591992A CN107285033B CN 107285033 B CN107285033 B CN 107285033B CN 201710591992 A CN201710591992 A CN 201710591992A CN 107285033 B CN107285033 B CN 107285033B
Authority
CN
China
Prior art keywords
glass
unit
paper
conveying
finished product
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
CN201710591992.3A
Other languages
Chinese (zh)
Other versions
CN107285033A (en
Inventor
吴米建
项小敏
杨健健
麦文杰
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.)
Wuhu Rock Intelligent Equipment Co Ltd
Original Assignee
Wuhu Rock Intelligent Equipment 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 Wuhu Rock Intelligent Equipment Co Ltd filed Critical Wuhu Rock Intelligent Equipment Co Ltd
Priority to CN201710591992.3A priority Critical patent/CN107285033B/en
Publication of CN107285033A publication Critical patent/CN107285033A/en
Application granted granted Critical
Publication of CN107285033B publication Critical patent/CN107285033B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • B65G49/00Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/068Stacking or destacking devices; Means for preventing damage to stacked sheets, e.g. spaces
    • 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
    • B65G49/00Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass

Abstract

The invention relates to electronic glass paper laying, in particular to a high-speed online paper laying and sheet discharging and stacking system for electronic glass, which comprises a glass conveying unit, a finished product distribution unit, an artificial sheet discharging table and a mechanical sheet discharging unit which are sequentially arranged; the glass conveying unit and the finished product distributing unit are arranged between the glass conveying unit and the finished product distributing unit, the online paper paving unit is further arranged above the glass conveying unit, the online paper paving unit and the finished product distributing unit are connected through obliquely arranged paper paving tapes, a sliding cutter is arranged at a feeding port of each paper paving tape, the size of a tape surface of each paper paving tape is matched with that of the paper to be paved, the finished product distributing unit is provided with two sets of transmission mechanisms, the transmission directions of the transmission mechanisms respectively point to the sides where the manual piece feeding table and the mechanical piece feeding unit are located, and the glass conveying unit and the online paper paving unit are arranged up and down, so that the paper paving time is saved; the glass with the finished paper laying is conveyed to the manual sheet laying table or the mechanical sheet laying unit, the glass with the finished paper laying is timely withdrawn, and the production efficiency is improved.

Description

High-speed online paper spreading and lower sheet stacking system for electronic glass
Technical Field
The invention relates to electronic glass paper laying, in particular to a high-speed online paper laying and lower sheet stacking system for electronic glass.
Background
The market competition of the electronic glass is very strong, and manufacturers can obtain market competition advantages by improving the production efficiency and the product quality. At present, the technical schemes for online paper laying and next sheet stacking of electronic glass are two in China: firstly, manually feeding and spreading paper, and secondly, automatically feeding and spreading paper by a robot.
Firstly, manual sheet feeding and manual paper laying are carried out. The disadvantages are that: 1. the efficiency is unstable and changes according to the labor state of workers; 2. the safety coefficient is not high and is influenced by field uncertainty factors; 3. the working process is single and boring, and people are not liberated from repeated actions; 4. the paper laying and stacking effect is not ideal, the surface of the glass is easy to have marks, and the uniformity of the glass paper is not mechanically consistent, stable and beautiful.
Secondly, special location roll table, the automatic piece of unloading of robot tongs, special plane spread paper, the shortcoming is: 1. when the size and specification of the glass are changed a lot, the special positioning roller way needs to be adjusted manually; 2. the robot gripper is of a cantilever type, so that the maximum size of glass is limited and the action speed is limited in order to ensure the strength and the rigidity; 3. the robot gripper sheet-taking-off action path is complex, the period is long, and the average period is 10-12 seconds per sheet.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a high-speed online paper laying and lower sheet stacking system for electronic glass.
In order to achieve the purpose, the invention adopts the following technical scheme: a high-speed online paper spreading and sheet discharging and stacking system for electronic glass comprises a glass conveying unit, a finished product distribution unit, an artificial sheet discharging table and a mechanical sheet discharging unit which are sequentially arranged; the glass conveying unit and the finished product distribution unit are provided with a glass positioning unit therebetween, an online paper laying unit is further arranged above the glass conveying unit, the online paper laying unit is connected with the finished product distribution unit through obliquely arranged paper laying tapes, a sliding cutter is arranged at a material inlet of each paper laying tape, the size of a tape surface of each paper laying tape is matched with that of the paper to be laid, and the finished product distribution unit is provided with two sets of transmission mechanisms, and the transmission directions of the two sets of transmission mechanisms are respectively directed to the side of the manual sheet feeding table and the mechanical sheet feeding unit.
Compared with the prior art, the high-speed online paper spreading and lower sheet stacking system for the electronic glass has the following technical effects:
1. the glass conveying unit and the online paper laying unit are arranged up and down, and one piece of paper to be laid is buffered on the paper laying belt, so that the paper laying time is saved;
2. the finished product distribution unit provided by the invention can convey the glass with finished paper laying to the manual sheet laying platform or the mechanical sheet laying unit, and timely withdraw the glass with finished paper laying, so that the paper laying and sheet laying speed of the whole system is high, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a high-speed on-line paper-laying and sheet-stacking system for electronic glass provided by the present invention;
FIG. 2 is a schematic view of a glass delivery unit of the present invention;
FIG. 3 is a schematic view of an in-line paper laying unit in the present invention;
FIG. 4 is a schematic view of a finished product dispensing unit of the present invention;
FIG. 5 is a schematic view of a manual sheet feeding table according to the present invention;
FIG. 6 is a schematic view of a glass transfer table according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.
As shown in fig. 1, the present invention provides an electronic glass high-speed on-line paper-laying and sheet-discharging stacking system, which comprises a glass conveying unit 10, a finished product distribution unit 20, an artificial sheet-discharging table 30 and a mechanical sheet-discharging unit 40, which are arranged in sequence; the automatic sheet feeding device is characterized in that a glass positioning unit 50 is arranged between the glass conveying unit 10 and the finished product distribution unit 20, an online paper laying unit 60 is further arranged above the glass conveying unit 10, the online paper laying unit 60 is connected with the finished product distribution unit 20 through obliquely arranged paper laying tapes 61, a sliding cutter 62 is arranged at a feeding port of the paper laying tapes 61, the size of a tape surface of each paper laying tape 61 is matched with that of a sheet to be laid, two sets of transmission mechanisms are arranged on the finished product distribution unit 20, and the transmission directions of the two sets of transmission mechanisms respectively point to the sides of the manual sheet feeding table 30 and the mechanical sheet feeding unit 40.
Compared with the prior art, the high-speed online paper spreading and lower sheet stacking system for the electronic glass, provided by the invention, has the advantages that the glass conveying unit 10 and the online paper spreading unit 60 are arranged up and down, and one piece of paper to be spread is buffered on the paper spreading belt 61, so that the paper spreading time is saved; the finished product distribution unit 20 can convey the glass with finished paper laying to the manual sheet feeding table 30 or the mechanical sheet feeding unit 40, and timely withdraw the glass with finished paper laying, so that the paper laying and sheet feeding speed of the whole system is high, and the production efficiency is improved.
Referring to fig. 2, according to the present invention, the glass conveying unit 10 of the present invention includes a frame formed by connecting a cross bar 11 and a vertical bar 12, the frame is provided with a plurality of conveying rollers 13 arranged in parallel, the conveying rollers 13 are provided with rolling rings 131 coaxially and arranged at intervals, and at least one conveying roller 13 is linked with a driving motor arranged on the frame and drives the glass on the conveying rollers 13 to move. In the present invention, there is no special requirement for the material of the rolling ring 131 for supporting the glass, so as to ensure that no friction mark is generated on the glass surface, and preferably, the material of the rolling ring 131 may be UPE.
More preferably, the glass put on the glass conveying unit 10 is compact and has a small distance, and in order to enlarge the distance between the glass on the front glass conveying unit 10 and to allow enough time for the next process, the glass conveying unit 10 of the present invention at least comprises a section of acceleration roller table 14, which ensures that the distance between the adjacent glass can be enlarged before entering the glass positioning unit 50.
Further, according to the present invention, the glass positioning unit 50 of the present invention comprises two rows of positioning rods 51 arranged at intervals on the glass conveying unit 10, wherein the positioning rods 51 are arranged vertically, and the lower ends of the positioning rods 51 are connected with air cylinders or hydraulic units, and the air cylinders or hydraulic units drive the two rows of positioning rods 51 to approach or separate from each other to clamp or release glass, so that the glass positioning unit can adapt to different specifications of glass, prevent the glass from deviating, and ensure the paper laying accuracy and the lower sheet stacking accuracy.
As shown in fig. 3, according to the present invention, the online paper laying unit 60 of the present invention includes a support rod 63 extending upward from a frame of the glass conveying unit 10, a support rod 64 is connected to an upper end of the support rod 63, a paper unwinding roller 65 is mounted on the support rod 64, the unwinding direction of the paper is consistent with the moving direction of the glass, a paper pressing roller 65 and a sliding cutter 62 are further disposed on the support rod 64, the paper unwound from the paper unwinding roller 65 slides into the paper laying tape 61, the sliding cutter 62 cuts the paper after the paper pressing roller 65 presses, and a sheet of paper to be laid is always on the paper laying tape 61, thereby improving the paper laying efficiency.
According to the invention, with reference to fig. 4, the finished product distribution unit 20 of the invention comprises a transmission mechanism which is arranged on the glass conveying unit 10 and is consistent with the glass conveying direction, the transmission mechanism comprises conveying rollers 13 which are linked with a driving motor arranged on a frame, a plurality of auxiliary conveying rollers 21 which are arranged in parallel and at intervals are arranged below the conveying rollers 13, auxiliary rolling rings 211 which are arranged coaxially are arranged on roller bodies of the auxiliary conveying rollers 21, the auxiliary rolling rings 211 are arranged between the conveying rollers 13 in a penetrating manner, and air cylinders or hydraulic units are arranged on the auxiliary conveying rollers 21 to drive the roller bodies of the auxiliary conveying rollers 21 to reciprocate in the vertical direction, so that the finished glass after paper spreading can be reasonably distributed and arranged and conveyed to the manual sheet unloading table 30 or the mechanical sheet unloading unit 40, and the sheet unloading stacking efficiency is improved.
According to the invention, as shown in fig. 5, the manual sheet placing table 30 of the invention comprises a frame composed of a cross bar 11 and a vertical bar 12, a conveying roller 13 is arranged on the frame, rolling rings 131 which are coaxial and arranged at intervals are arranged on the conveying roller 13, a fork bar 31 which is perpendicular to the roller length direction of the conveying roller 13 is further arranged above the frame, one end of the fork bar 31 is connected with a rotating arm 32, the other end of the fork bar 31 extends to the space between the rolling rings 131 of the conveying roller 13, the rotating arm 32 is fixedly connected with a shaft body of a rotating shaft 33 which is horizontally arranged, and the rotating shaft 33 is linked with a driving component and drives the fork bar 31 to swing on the upper surface.
It is conceivable that the connection position of the fork rod 31 and the rotating arm 32 is slightly lower, so as to prevent the glass from sliding off during the rotation process.
According to the present invention, as shown in fig. 1 and 6, the mechanical sheet unloading unit 40 of the present invention includes a glass conveying table 41 and a mechanical gripper 42, which are arranged adjacent to the finished product dispensing unit 20, the side of the mechanical gripper 42 is further provided with a glass stacking frame 43, the glass conveying table 41 is provided with a plurality of push rods 411 arranged at intervals, the push rods 411 are inserted between the conveying rollers 13 and driven by a driving mechanism to reciprocate in the vertical direction, the push rods 411 jack up the glass, so as to facilitate the operation of the mechanical gripper 42, the mechanical gripper 42 aims to realize the transfer of the glass from the glass conveying table 41 to the glass stacking frame 43, and the mechanical gripper 42 is arranged on a base and is controlled by a rotating arm to rotate.
Furthermore, according to the invention, 3 glass stacking frames 43 are arranged on three sides of the mechanical gripper 42 respectively, and the rotation is carried out, so that the phenomenon that the stacking frame 43 needs to be stopped after being fully stacked is avoided, and the production efficiency is improved.
The high-speed online paper spreading and stacking system for the electronic glass greatly improves the efficiency of online paper spreading and stacking, ensures the paper spreading time of the next piece within 6s, has higher precision of paper spreading and stacking, and effectively improves the quality of products.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a high-speed online paper and lower piece stack system of spreading of electronic glass which characterized in that: comprises a glass conveying unit (10), a finished product distribution unit (20), an artificial sheet discharging table (30) and a mechanical sheet discharging unit (40) which are arranged in sequence; a glass positioning unit (50) is arranged between the glass conveying unit (10) and the finished product distribution unit (20), an online paper laying unit (60) is further arranged above the glass conveying unit (10), the online paper laying unit (60) is connected with the finished product distribution unit (20) through a diagonally arranged paper laying tape (61), a sliding cutter (62) is arranged at a feeding port of the paper laying tape (61), the size of a tape surface of the paper laying tape (61) is matched with that of paper to be laid, two sets of transmission mechanisms are arranged on the finished product distribution unit (20), and the transmission directions of the two sets of transmission mechanisms respectively point to the sides of the manual piece feeding table (30) and the mechanical piece feeding unit (40);
the glass conveying unit (10) comprises a frame formed by connecting a cross rod (11) and a vertical rod (12), a plurality of conveying rollers (13) which are arranged in parallel are arranged on the frame, rolling rings (131) which are coaxial and arranged at intervals are arranged on the conveying rollers (13), and at least one conveying roller (13) is linked with a driving motor arranged on the frame and drives glass on the conveying rollers (13) to move;
the glass conveying unit (10) at least comprises a section of acceleration roller way (14);
the online paper laying unit (60) comprises a support rod (63) which extends upwards from a frame of the glass conveying unit (10), the upper end of the support rod (63) is connected with a support rod (64), a paper unreeling roller (65) is erected on the support rod (64), the unreeling direction of the paper is consistent with the moving direction of the glass, and a paper pressing roller (65) and a sliding cutter (62) are further arranged on the support rod (64);
the finished product distribution unit (20) comprises a transmission mechanism which is arranged on the glass conveying unit (10) and is consistent with the conveying direction of glass, the transmission mechanism comprises conveying rollers (13) which are linked with a driving motor arranged on a frame, a plurality of auxiliary conveying rollers (21) which are arranged in parallel and at intervals are arranged below the conveying rollers (13), auxiliary rolling rings (211) which are coaxially arranged are arranged on roller bodies of the auxiliary conveying rollers (21), the auxiliary rolling rings (211) penetrate between the conveying rollers (13), and the auxiliary conveying rollers (21) are provided with air cylinders or hydraulic units for driving the roller bodies of the auxiliary conveying rollers (21) to reciprocate in the vertical direction;
artifical piece platform (30) down include the frame that comprises horizontal pole (11) and montant (12), be equipped with transfer roller (13) on the frame, be equipped with coaxial and interval arrangement's rolling circle (131) on transfer roller (13), frame top still be equipped with transfer roller (13) roller length direction vertically fork arm (31), the one end and the swinging arm (32) of fork arm (31) link to each other, the other end extends to between rolling circle (131) of transfer roller (13), the axle body fixed connection of pivot (33) of swinging arm (32) and horizontal arrangement, pivot (33) and drive assembly linkage and drive fork arm (31) swing on the upper surface of frame.
2. The high-speed online paper spreading and sheet stacking system for electronic glass as claimed in claim 1, wherein: the glass positioning unit (50) comprises two rows of positioning rods (51) arranged on the glass conveying unit (10) at intervals, the positioning rods (51) are vertically arranged, the lower ends of the positioning rods are connected with air cylinders or hydraulic units, and the air cylinders or the hydraulic units drive the two rows of positioning rods (51) to be close to or far away from each other so as to clamp or loosen glass.
3. The high-speed online paper spreading and sheet stacking system for electronic glass as claimed in claim 1, wherein: the mechanical sheet discharging unit (40) comprises a glass conveying table (41) and a mechanical gripper (42), the glass conveying table (41) and the mechanical gripper (42) are arranged close to the finished product distribution unit (20), a glass stacking frame (43) is further arranged on the side edge of the mechanical gripper (42), a plurality of push rods (411) which are arranged at intervals are arranged on the glass conveying table (41), and the push rods (411) are inserted between the conveying rollers (13) and driven by a driving mechanism to reciprocate vertically.
4. The high-speed online paper spreading and sheet stacking system for electronic glass as claimed in claim 3, wherein: the number of the glass stacking frames (43) is 3, and the glass stacking frames are respectively arranged on three sides of the mechanical gripper (42).
CN201710591992.3A 2017-07-19 2017-07-19 High-speed online paper spreading and lower sheet stacking system for electronic glass Active CN107285033B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710591992.3A CN107285033B (en) 2017-07-19 2017-07-19 High-speed online paper spreading and lower sheet stacking system for electronic glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710591992.3A CN107285033B (en) 2017-07-19 2017-07-19 High-speed online paper spreading and lower sheet stacking system for electronic glass

Publications (2)

Publication Number Publication Date
CN107285033A CN107285033A (en) 2017-10-24
CN107285033B true CN107285033B (en) 2020-03-24

Family

ID=60103153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710591992.3A Active CN107285033B (en) 2017-07-19 2017-07-19 High-speed online paper spreading and lower sheet stacking system for electronic glass

Country Status (1)

Country Link
CN (1) CN107285033B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108583972A (en) * 2018-06-26 2018-09-28 焦作飞鸿安全玻璃有限公司 A kind of packaging glass system
CN109850491A (en) * 2019-01-25 2019-06-07 佛山市西菱欧科技有限公司 A kind of main transmission device, feed device and numerical control edging machining center
CN113232955B (en) * 2021-05-18 2023-03-28 浙江工商职业技术学院 Towel feeding, folding and conveying device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249064A (en) * 2010-04-14 2011-11-23 株式会社太星技研 Compound conveyer
CN202864453U (en) * 2012-09-29 2013-04-10 芜湖金三氏数控科技有限公司 Glass holding and sending mechanism for paper paving machine
CN104310068A (en) * 2014-08-22 2015-01-28 上海起岩机电设备有限公司 High-speed batch-out, paper laying and stacking equipment for solar photovoltaic glass
CN204957098U (en) * 2015-06-12 2016-01-13 信义汽车玻璃(深圳)有限公司 Paper machine is spread to photovoltaic line duplex position

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2227652Y (en) * 1995-05-17 1996-05-22 中国耀华玻璃集团公司设计所 Accelerating separating roller way
CN106890796B (en) * 2017-03-30 2023-04-14 福莱特玻璃集团股份有限公司 Full-automatic assembly line after glass tempering
CN107021349B (en) * 2017-04-28 2023-08-01 中建材(宜兴)新能源有限公司 Device for connecting cold end to deep processing edging inlet end of photovoltaic glass raw sheet production line

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102249064A (en) * 2010-04-14 2011-11-23 株式会社太星技研 Compound conveyer
CN202864453U (en) * 2012-09-29 2013-04-10 芜湖金三氏数控科技有限公司 Glass holding and sending mechanism for paper paving machine
CN104310068A (en) * 2014-08-22 2015-01-28 上海起岩机电设备有限公司 High-speed batch-out, paper laying and stacking equipment for solar photovoltaic glass
CN204957098U (en) * 2015-06-12 2016-01-13 信义汽车玻璃(深圳)有限公司 Paper machine is spread to photovoltaic line duplex position

Also Published As

Publication number Publication date
CN107285033A (en) 2017-10-24

Similar Documents

Publication Publication Date Title
CN107285033B (en) High-speed online paper spreading and lower sheet stacking system for electronic glass
CN203545207U (en) Package automatic paper feeding mechanism
CN201907666U (en) Automatic paper laying machine for glass production line
CN205929696U (en) Automatic tectorial membrane guillootine
CN107322355B (en) Pipe jacking and feeding device for full-automatic pipe sawing machine
CN108199093A (en) A kind of novel large lead acid accumulator pole group automatic board wrapping equipment
CN106347737B (en) A kind of profile automatic coating equipment and its set film method
CN205272856U (en) Automatic gilding press of dress trade mark
CN204897350U (en) Device is covered in sending of tin seamer
CN106629151A (en) Feeding device for carton board printing
CN207390410U (en) A kind of automatic feed mechanism
CN207312762U (en) A kind of upper paper device of folding machine
CN205820383U (en) A kind of automatization glass cotton stacker
CN107738945A (en) Uninterrupted feed mechanism and the uninterrupted feeding discharging device of updraft type
CN111659955A (en) Cutting equipment for channel steel for forklift gantry and production process of cutting equipment
CN219098289U (en) High-speed online labeling sheet and dislocation stacking device of dryer
CN107813385B (en) Bamboo breaking machine
CN218595537U (en) Steel pipe hacking machine
CN207497774U (en) Uninterrupted feed mechanism and the uninterrupted feeding discharging device of updraft type
CN216032771U (en) Paper cup machine with automatic paper feeding mechanism
CN201052674Y (en) Paper pasting machine
CN220199712U (en) Automatic vanning equipment of paster stone
CN210236646U (en) Automatic cross cutting machine of unloading
CN209349945U (en) A kind of tubing automatic feed mechanism
CN209853382U (en) Paper folding and shaping mechanism in notebook production equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant