CN102303787B - Automatic bobbin paper slitting and rewinding machine - Google Patents
Automatic bobbin paper slitting and rewinding machine Download PDFInfo
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- CN102303787B CN102303787B CN 201110242864 CN201110242864A CN102303787B CN 102303787 B CN102303787 B CN 102303787B CN 201110242864 CN201110242864 CN 201110242864 CN 201110242864 A CN201110242864 A CN 201110242864A CN 102303787 B CN102303787 B CN 102303787B
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Abstract
The invention relates to an automatic bobbin paper slitting and rewinding machine. The invention aims to provide an automatic bobbin paper slitting and rewinding machine which is high in automation and of which a paper element is not required to be inserted with a small shaft. The automatic bobbin paper slitting and rewinding machine comprises an unwinding mechanism, a slitting mechanism, a rewinding mechanism and a glue spraying mechanism which act in a coordination manner under the control of a programmable logic controller (PLC); the rewinding mechanism comprises an upper rewinding roller, a front rewinding roller and a rear rewinding roller; the upper rewinding roller is a controllable lift roller; the front rewinding roller and the rear rewinding roller are positioned below the upper rewinding roller; the three rewinding rollers are parallel; at least one of the three rewinding rollers is a twist roller driven by external force; the minimum gap between the front rewinding roller and the rear rewinding roller is less than or equal to the external diameter of the paper element; a groove is formed between the front rewinding roller and the rear rewinding roller; and a pair of rotation tip cones which can radially move is arranged on the groove. The automatic bobbin paper slitting and rewinding machine is applicable for slitting and rewinding of various roll papers and bobbin papers.
Description
Technical field
The present invention relates to a kind of automatic obbbin cutting and rewinding machine.
Background technology
At present, when known obbbin cutting and rewinding machine uses, need manually to put on little refill with little axle, be placed on rewinding mechanism, glue paper with double faced adhesive tape then, then manually push down with heavy iron staff or starting pressure arm, actuating motor before the rewinding, is manually stamped end of reel warning red symbol on paper slip.Rewinding is to specifying auto-stop behind the rice number, and the disconnected paper that manually cuts with a knife touch paper with little label again, then finished product is taken the platform of disembarking, and extracts little out.Put new refill again, just can restart next circulation.Because the artificial action that participates in is various; directly cause producers' labour intensity excessive; also increased the business manpower cost; in addition, people's work speed is slow, causes machine stopping time long; thereby reduced the service efficiency of machine; reduced production efficiency, again because workman's the ripe paper degree of technology difference makes product quality stability to be guaranteed.
Summary of the invention
The technical problem to be solved in the present invention is the above-mentioned defective that how to overcome prior art, provides to wear little axle in a kind of refill, and the high automatic obbbin cutting and rewinding machine of degree of automation.
For solving the problems of the technologies described above, this automatic obbbin cutting and rewinding machine comprises unreeling structure, cutting mechanism, rewinding mechanism, disconnected paper glue-spraying mechanism and paper feeding core mechanism, said mechanism concerted action under the control of PLC controller, it is characterized in that: described rewinding mechanism comprises rewind roll, preceding rewind roll and back rewind roll, last rewind roll is controlled dance roller, preceding rewind roll and back rewind roll are positioned at the rewind roll below, three rewind roll are parallel, and having a rewind roll among the three at least is the stranding winding up roller that has external force to drive, the external diameter of the minimum clearance≤refill between preceding rewind roll and the back rewind roll, form a groove between the two, this groove is provided with a pair of rotation addendum cone that moves radially.
So design, during use, the paper that branch is cut places on the rewind roll of back, groove presses a plurality of end to end refills between preceding rewind roll and the back rewind roll, two ends hold out against with the rotation addendum cone, and paper is bonded at or twists on the refill, and controlled dance roller presses down, coil paper on the refill is tangent with last rewind roll, preceding rewind roll and back rewind roll all the time, starts both rewinding but rub winding up roller with the hands.Again need not wear little axle in the refill, be convenient to realize mechanical automation.
As optimization, it also comprises rolls up mechanism again, the described mechanism of rolling up again comprises winding up roller again, before again winding up roller and after winding up roller again, on again the winding up roller two ends be arranged in the vertical chute, before again winding up roller and after again winding up roller be positioned at again winding up roller below, three winding up roller is parallel again, and have at least among the three one again winding up roller be the stranding winding up roller that has external force to drive, before again winding up roller and after the minimum clearance between the winding up roller≤finished roll external diameter again, before again winding up roller and after again winding up roller one carrying slide block is set, before this carrying slide block can drive again winding up roller and after again winding up roller at translation between the upstream and downstream (downstream stop be positioned at again winding up roller below);
Described disconnected paper glue-spraying mechanism is arranged on rewinding mechanism and rolls up between the mechanism again, and this disconnected paper glue-spraying mechanism comprises glue-spraying device and disconnected paper cutter, and the nozzle of glue-spraying device points to below, disconnected paper cutter downstream.
" upstream " of the present invention, " downstream ", " preceding ", " back " all are that simultaneously, promptly the paper working direction is " preceding ", " downstream " with respect to paper operation side together; The paper source direction is " back ", is " upstream ".
So design after the paper roll rewinding is good, moves to earlier and rolls up mechanism again, manually or automatically press refill after, again by the disconnected paper of disconnected paper glue-spraying mechanism, spray glue, and then the volume mechanical operation, the paper of coil paper is spooled, the while is to beginning rewinding paper on the new refill.
As optimization, be provided with supporting plate between described disconnected paper glue-spraying mechanism and the rewinding mechanism, this supporting plate is positioned at disconnected paper cutter upstream, have gas hole in a row on it, above-mentioned gas hole communicates with controlled source of the gas, described paper feeding core mechanism involving vibrations dish and refill push pedal, wherein the discharging track of vibrating disk is connected mutually with the refill push pedal of rewinding mechanism oblique upper, and the refill push pedal is furnished with lift cylinder, and refill push pedal the place ahead is provided with a downslide swash plate, downslide swash plate lower end extends to groove, downslide swash plate upper end is provided with one and pushes away the refill cylinder, and this pushes away refill cylinder front end and is provided with cross bar, is hinged with shifting board on this cross bar, shifting board is provided with oblique arm, be that stay cord is arranged on this oblique arm, the stay cord other end is fixed, after last rewind roll rises, it is descending to push away refill cylinder drive shifting board, during to end of travel, stay cord is tightened, and tears on the shifting board and turns over, refill is placed on the described groove, and simultaneously that rewinding is good paper roll is chosen to rolling up in the mechanism again; Last rewind roll upstream is provided with a flexible plate, and when extending terminal point under this flexible plate, its front end can insert paper refill and locate with the point of contact of back rewind roll, and refill push pedal end is provided with the refill feed and ends switch.
When sending core, vibrating disk is end to end with refill, delivers to the refill push pedal along the discharging track, and when refill triggered refill feed termination switch, vibrating disk shut down.Lift cylinder starts, and the refill push pedal is sent into refill between downslide swash plate and the shifting board, pushes away then under the refill cylinder and stretches, and to end of travel, stay cord is tightened, and turns on the shifting board, and refill is placed on the described groove.
Behind the paper of the intact predetermined length of rewinding, paper advance mechanism sequences new refill more from beginning to end, and be pressed on the paper of forward and backward rewind roll top, simultaneously that rewinding is good paper roll is chosen to forward and backward winding up roller again, and paper will break in mechanism by rolling up again, the paper roll that sprays glue is spooled, cemented.Gas hole on the supporting plate is blown, and the paper that disconnected paper is formed upstream bends, and encases new refill, and then, last rewind roll descends, and pushes down refill, stretches under the flexible plate, paper is inserted refill locate with the point of contact of back rewind roll, can start pickup roller then and carry out rewinding.So design is non-glued between refill and the paper.When as cash register paper, facsimile transmission paper, after paper was used up, refill was easy to separate with paper, and that can not damage facsimile apparatus, cashier's machine drags paper equipment.
As optimization, the discharging track of vibrating disk top is provided with a power-assisted roller, and this power-assisted roller is furnished with drive motor, and its axial line is perpendicular to the discharging track, and its excircle is provided with interior concave ring groove, and refill contacts with concave ring groove in this.So design can vibrating disk strengthens the thrust to refill, is convenient to refill and moves on the discharging track.
As optimization, before again winding up roller, after also be provided with the discharging cylinder again between the winding up roller, when the discharging cylinder shrinks, forward and backward gap between the winding up roller again is less than finished product coil paper external diameter, when the discharging cylinder stretches, forward and backward gap between the winding up roller again is greater than finished product coil paper external diameter, forward and backward winding up roller again below is provided with finished product coil paper slideway, the carrying slide block drives forward and backward winding up roller again and moves to finished product coil paper slideway top together with paper roll, the discharging cylinder stretches then, before again winding up roller, after again the gap between the winding up roller strengthen, finished roll falls in the finished product coil paper slideway, vanning gets final product then.
As optimization, described disconnected paper glue-spraying mechanism comprises slide rail and slide block, and wherein slide rail is parallel to rewind roll, and slide block is arranged on the slide rail, and is furnished with actuating device, and described glue-spraying device is arranged on the slide block.Described glue-spraying device can be selected the air atomization glue-spraying device for use.So design is simple in structure, and control is convenient.
The automatic obbbin cutting and rewinding of the present invention machine has saved traditional axle that changes to be operated, and paper twists on the refill, and after paper was used up, paper and refill can delamination.And the whole process of production formula does not need people's participation, has improved production efficiency and has improved product quality stability.Be suitable for cutting and rewinding of various coil papers, obbbin (as cash register paper, facsimile transmission paper, ATM coil paper, toiler roll etc.).
Description of drawings
Below in conjunction with accompanying drawing the automatic obbbin cutting and rewinding of the present invention machine is described further:
Fig. 1 is the integral structure scheme drawing (not containing vibrating disk) of this automatic obbbin cutting and rewinding machine;
Fig. 2 is that the position of the forward and backward rewind roll of this automatic obbbin cutting and rewinding machine, refill and rotation addendum cone concerns scheme drawing;
Fig. 3 is the refill push pedal of this automatic obbbin cutting and rewinding machine and the structural representation of lift cylinder thereof;
Fig. 4 is the rewinding mechanism of this automatic obbbin cutting and rewinding machine, rolls up the structural representation of mechanism and part paper feeding core mechanism again;
Fig. 5 is after the rewinding of this automatic obbbin cutting and rewinding machine is finished, the scheme drawing before the paper feeding core;
Fig. 6 is the paper feeding core of this automatic obbbin cutting and rewinding machine, and the paper roll that rewinding is good pushes roll up the structural representation of mechanism to again;
Fig. 7 is the scheme drawing before the disconnected paper of this automatic obbbin cutting and rewinding machine, the spray glue;
Fig. 8 is the scheme drawing of the disconnected paper of this automatic obbbin cutting and rewinding machine, spray glue;
Fig. 9 is this automatic obbbin cutting and rewinding machine with paper to blowing down folding, coats the scheme drawing of refill;
Figure 10 is the flexible plate of this automatic obbbin cutting and rewinding machine refill that paper is slotting and the scheme drawing between the rewind roll of back;
The paper roll that it is good with rewinding that Figure 11 is the carrying slide block of this automatic obbbin cutting and rewinding machine moves to the scheme drawing of winding up roller below again;
Figure 12 is after volume is finished again of this automatic obbbin cutting and rewinding machine, the scheme drawing of finished product discharging.
Among the figure: 1 is last rewind roll, 2 is preceding rewind roll, 3 is the back rewind roll, 4 is refill, 5 for rotating addendum cone, 6 is last winding up roller again, 7 is preceding winding up roller again, 8 be after winding up roller again, 9 is vertical chute, 10 is finished roll, 11 are the carrying slide block, 12 is glue-spraying device, 13 are disconnected paper cutter, 14 is supporting plate, 15 is the refill push pedal, 16 is lift cylinder, 17 are the downslide swash plate, 18 for pushing away the refill cylinder, 19 is cross bar, 20 is shifting board, 21 is oblique arm, 22 is stay cord, 23 are flexible plate, 24 is paper, 25 is the power-assisted roller, 26 are the discharging cylinder, 27 is finished product coil paper slideway, 28 is unreeling structure, 29 is cutting mechanism, 30 for driving the carrying cylinder of carrying slide block.
The specific embodiment
Embodiment one: shown in Fig. 1-12, this automatic obbbin cutting and rewinding machine comprises unreeling structure 28, cutting mechanism 29, rewinding mechanism, roll up mechanism again, disconnected paper glue-spraying mechanism and paper feeding core mechanism, said mechanism concerted action under the control of PLC controller, it is characterized in that: described rewinding mechanism comprises rewind roll 1, preceding rewind roll 2 and back rewind roll 3, last rewind roll 1 is controlled dance roller, preceding rewind roll 2 and back rewind roll 3 are positioned at rewind roll 1 below, three rewind roll are parallel, and having a rewind roll among the three at least is the stranding winding up roller that has external force to drive, the external diameter of the minimum clearance≤refill 4 between preceding rewind roll 2 and the back rewind roll 3, form a groove between the two, this groove is provided with a pair of rotation addendum cone 5 that moves radially.
The described mechanism of rolling up again comprises winding up roller 6 again, before again winding up roller 7 and after winding up roller 8 again, on again winding up roller 6 two ends be arranged in the vertical chute 9, before again winding up roller 7 and after again winding up roller 8 be positioned at again winding up roller 6 belows, three winding up roller is parallel again, and have at least among the three one again winding up roller be the stranding winding up roller that has external force to drive, before again winding up roller 7 and after the external diameter of the minimum clearance≤finished roll between the winding up roller 8 10 again, before again winding up roller 7 and after again winding up roller 8 a carrying slide block 11 is set, before this carrying slide block 11 can drive again winding up roller 7 and after winding up roller 8 translation between upstream and downstream again, move to again winding up roller 6 times so as to the paper roll that rewinding is good, after volume is finished again, finished product is moved to the 27 top dischargings of finished product coil paper slideway.On winding up roller 6 diameters are unsuitable big again, in order to avoid increase carrying slide block moving resistance.
Described disconnected paper glue-spraying mechanism is arranged on rewinding mechanism and rolls up between the mechanism again, and this disconnected paper glue-spraying mechanism comprises glue-spraying device 12 and disconnected paper cutter 13, and the nozzle of glue-spraying device 12 points to below, disconnected paper cutter 13 downstreams.
Be provided with supporting plate 14 between described disconnected paper glue-spraying mechanism and the rewinding mechanism, this supporting plate 14 is positioned at disconnected paper cutter 13 upstreams, have gas hole in a row on it, above-mentioned gas hole communicates with controlled source of the gas (not shown), described paper feeding core mechanism involving vibrations dish (not shown) and refill push pedal 15, wherein the discharging track of vibrating disk is connected mutually with the refill push pedal 15 of rewinding mechanism oblique upper, refill push pedal 15 is furnished with lift cylinder 16, refill push pedal 15 the place aheads are provided with a downslide swash plate 17, downslide swash plate 17 lower ends extend to groove, downslide swash plate 17 upper ends are provided with one and push away refill cylinder 18, this pushes away refill cylinder 18 front ends and is provided with cross bar 19, be hinged with shifting board 20 on this cross bar 19, shifting board 20 is provided with oblique arm 21, be that stay cord 22 is arranged on this oblique arm 21, stay cord 22 other ends are fixed, after last rewind roll 1 rises, it is descending to push away refill cylinder 18 drive shifting boards 20, during to end of travel, stay cord 22 is tightened, tear on the shifting board 20 and turn over, refill 4 is placed on the described groove, simultaneously that rewinding is good paper roll is chosen to rolling up in the mechanism again; Last rewind roll 1 upstream is provided with a flexible plate 23, and when this flexible plate extended terminal point 23 times, its front end can insert paper 24 refill 4 and locate with the point of contact of back rewind roll 8, and refill push pedal 15 ends are provided with the refill feed and end the switch (not shown).
The discharging track top of vibrating disk is provided with a power-assisted roller 25, and this power-assisted roller 25 is furnished with drive motor, and its axial line is perpendicular to the discharging track, and its excircle is provided with interior concave ring groove, and refill 4 contacts with concave ring groove in this.
Before again winding up roller 7, after also be provided with discharging cylinder 26 again between the winding up roller 8, when discharging cylinder 26 shrinks, gap between the forward and backward winding up roller again 7,8 is less than the external diameter of finished product coil paper 10, when discharging cylinder 26 stretches, gap between the forward and backward winding up roller again 7,8 is greater than the external diameter of finished product coil paper 10, forward and backward winding up roller again 7,8 belows are provided with finished product coil paper slideway 27, and finished product coil paper slideway 27 cross sections are curved.
Described disconnected paper glue-spraying mechanism comprises slide rail and slide block, and wherein slide rail is parallel to rewind roll, and slide block is arranged on the slide rail, and is furnished with actuating device, and described glue-spraying device 12 and disconnected paper cutter 13 are arranged on the slide block.Described glue-spraying device 12 can be selected the air atomization glue-spraying device for use.
Claims (4)
1. automatic obbbin cutting and rewinding machine, comprise unreeling structure, cutting mechanism, rewinding mechanism, disconnected paper glue-spraying mechanism and paper feeding core mechanism, said mechanism concerted action under the control of PLC controller, it is characterized in that: described rewinding mechanism comprises rewind roll, preceding rewind roll and back rewind roll, last rewind roll is controlled dance roller, preceding rewind roll and back rewind roll are positioned at the rewind roll below, three rewind roll are parallel, and having a rewind roll among the three at least is the stranding winding up roller that has external force to drive, the external diameter of the minimum clearance≤refill between preceding rewind roll and the back rewind roll, form a groove between the two, this groove is provided with a pair of rotation addendum cone that moves radially;
It also comprises rolls up mechanism again, described roll up again mechanism comprise again winding up roller, preceding winding up roller again and after winding up roller again, on again the winding up roller two ends be arranged in the vertical chute, before again winding up roller and after again winding up roller be positioned at again winding up roller below, three winding up roller is parallel again, and have at least among the three one again winding up roller be the stranding winding up roller that has external force to drive, before again winding up roller and after the minimum clearance between the winding up roller≤finished roll external diameter again, before again winding up roller and after again winding up roller be provided with one the carrying slide block, before this carrying slide block can drive again winding up roller and after winding up roller translation between upstream and downstream again;
Described disconnected paper glue-spraying mechanism is arranged on rewinding mechanism and rolls up between the mechanism again, and this disconnected paper glue-spraying mechanism comprises glue-spraying device and disconnected paper cutter, and the nozzle of glue-spraying device points to below, disconnected paper cutter downstream;
Be provided with supporting plate between described disconnected paper glue-spraying mechanism and the rewinding mechanism, this supporting plate is positioned at disconnected paper cutter upstream, have gas hole in a row on it, above-mentioned gas hole communicates with controlled source of the gas, described paper feeding core mechanism involving vibrations dish and refill push pedal, wherein the discharging track of vibrating disk is connected mutually with the refill push pedal of rewinding mechanism oblique upper, the refill push pedal is furnished with lift cylinder, refill push pedal the place ahead is provided with a downslide swash plate, and downslide swash plate lower end extends to groove, and downslide swash plate upper end is provided with one and pushes away the refill cylinder, this pushes away refill cylinder front end and is provided with cross bar, be hinged with shifting board on this cross bar, shifting board is provided with oblique arm, is that stay cord is arranged on this oblique arm, the stay cord other end is fixed, after last rewind roll rose, it was descending to push away refill cylinder drive shifting board, during to end of travel, stay cord is tightened, tear on the shifting board and turn over, refill is placed on the described groove, simultaneously that rewinding is good paper roll is chosen to preceding, after again on the winding up roller; Last rewind roll upstream is provided with a flexible plate, and when extending terminal point under this flexible plate, its front end can insert paper refill and locate with the point of contact of back rewind roll, and refill push pedal end is provided with the refill feed and ends switch.
2. automatic obbbin cutting and rewinding machine according to claim 1, it is characterized in that: the discharging track top of vibrating disk is provided with a power-assisted roller, and this power-assisted roller is furnished with drive motor, and its axial line is perpendicular to the discharging track, its excircle is provided with interior concave ring groove, and refill contacts with concave ring groove in this.
3. automatic obbbin cutting and rewinding machine according to claim 2, it is characterized in that: preceding winding up roller again, after also be provided with the discharging cylinder again between the winding up roller, when the discharging cylinder shrinks, forward and backward gap between the winding up roller again is less than finished product coil paper external diameter, when the discharging cylinder stretches, forward and backward gap between the winding up roller again is greater than finished product coil paper external diameter, and forward and backward winding up roller again below is provided with finished product coil paper slideway, and finished product coil paper slideway cross section is curved.
4. automatic obbbin cutting and rewinding machine according to claim 3, it is characterized in that: described disconnected paper glue-spraying mechanism comprises slide rail and slide block, and wherein slide rail is parallel to rewind roll, and slide block is arranged on the slide rail, described glue-spraying device and disconnected paper cutter just are arranged on the slide block, and are furnished with actuating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110242864 CN102303787B (en) | 2011-08-23 | 2011-08-23 | Automatic bobbin paper slitting and rewinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110242864 CN102303787B (en) | 2011-08-23 | 2011-08-23 | Automatic bobbin paper slitting and rewinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN102303787A CN102303787A (en) | 2012-01-04 |
| CN102303787B true CN102303787B (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110242864 Active CN102303787B (en) | 2011-08-23 | 2011-08-23 | Automatic bobbin paper slitting and rewinding machine |
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| CN (1) | CN102303787B (en) |
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| CN102700975B (en) * | 2012-05-31 | 2014-09-24 | 江南大学 | Fully automatic non-woven fabric re-reeling machine |
| CN104150258A (en) * | 2014-07-11 | 2014-11-19 | 佛山市宝索机械制造有限公司 | Rewinder with quick paper breaking function |
| CN104986603B (en) * | 2015-06-11 | 2017-03-29 | 广东金明精机股份有限公司 | Device and method for reeling and replacing reel without stop |
| CN107777403A (en) * | 2016-08-25 | 2018-03-09 | 南通汇统塑胶机械有限公司 | A kind of manual three stations rewinding machine system and its application method and application |
| CN107265160A (en) * | 2017-07-19 | 2017-10-20 | 江门安兴纸业有限公司 | The wrap-up and winding method of rationing-cutting type coil paper |
| CN107697702B (en) * | 2017-10-30 | 2023-12-22 | 金华市胜昌科技股份有限公司 | Paper core feeding device of rewinder |
| CN109051520B (en) * | 2018-08-15 | 2020-09-25 | 江苏永盛氟塑新材料有限公司 | Teflon adhesive tape transportation guide device |
| CN109262727B (en) * | 2018-11-03 | 2023-11-10 | 潍坊恒诚祥精密机械科技有限公司 | Full-automatic dividing and cutting machine |
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| US6494398B1 (en) * | 1998-12-31 | 2002-12-17 | M T C Macchine Trasformazione Carta S.R.L., | Rewinding method and machine for making logs of paper and the like |
| CN2895345Y (en) * | 2006-04-07 | 2007-05-02 | 郭超毅 | Fracture-even non-stop roll-change automatic rewinding machine |
| CN101983907A (en) * | 2010-10-28 | 2011-03-09 | 佛山市南海区德昌誉机械制造有限公司 | Double-purpose rewinding machine for preparing cored toilet paper and coreless toilet paper and method thereof |
| CN202219996U (en) * | 2011-08-23 | 2012-05-16 | 王良忠 | Automatic bobbin slitting rewinder |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6494398B1 (en) * | 1998-12-31 | 2002-12-17 | M T C Macchine Trasformazione Carta S.R.L., | Rewinding method and machine for making logs of paper and the like |
| CN2895345Y (en) * | 2006-04-07 | 2007-05-02 | 郭超毅 | Fracture-even non-stop roll-change automatic rewinding machine |
| CN101983907A (en) * | 2010-10-28 | 2011-03-09 | 佛山市南海区德昌誉机械制造有限公司 | Double-purpose rewinding machine for preparing cored toilet paper and coreless toilet paper and method thereof |
| CN202219996U (en) * | 2011-08-23 | 2012-05-16 | 王良忠 | Automatic bobbin slitting rewinder |
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| CN102303787A (en) | 2012-01-04 |
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Effective date of registration: 20151215 Address after: 519000 Guangdong province Zhuhai City Huayu Road No. 611, No. 613, No. 5 Building 4 floor, No. 405 building Patentee after: Zhuhai Dufen Automation Technology Co.,Ltd. Address before: 519000 Zhongya Packing Equipment Co., Ltd., No. 50, Jinshan Road, Pearl Road, Zhuhai, Guangdong Patentee before: Wang Liangzhong |
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Effective date of registration: 20230705 Address after: Building No. 201, 2nd Floor, Building 5, No. 611 and 613 Huayu Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519075 Patentee after: Zhuhai Zhongya Technology Co.,Ltd. Address before: Factory Building 405, 4th Floor, Building 5, No. 611 and 613 Huayu Road, Zhuhai City, Guangdong Province, 519000 Patentee before: Zhuhai Dufen Automation Technology Co.,Ltd. |
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