CN104608425B - Paper bag machine and its put bottom card device automatically - Google Patents

Paper bag machine and its put bottom card device automatically Download PDF

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Publication number
CN104608425B
CN104608425B CN201510044478.9A CN201510044478A CN104608425B CN 104608425 B CN104608425 B CN 104608425B CN 201510044478 A CN201510044478 A CN 201510044478A CN 104608425 B CN104608425 B CN 104608425B
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China
Prior art keywords
card
paper bag
paper
bottom card
roller
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Active
Application number
CN201510044478.9A
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Chinese (zh)
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CN104608425A (en
Inventor
黎长坤
吴镇龙
李林全
吴瑶
吴一瑶
赵章奎
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Zhejiang Zhengbo Intelligent Machinery Co ltd
Original Assignee
WENZHOU ZENBO PRINTING MACHINERY CO Ltd
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Priority to CN201510044478.9A priority Critical patent/CN104608425B/en
Publication of CN104608425A publication Critical patent/CN104608425A/en
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Abstract

The invention discloses a kind of paper bag machine and its automatically bottom card device is put, including is sequentially connected to the paper bag conveying mechanism of paper bag machine, bottom card card separating mechanism and bottom card conveying mechanism.The present invention, pass through the combination application of paper bag machine and paper bag conveying mechanism, bottom card card separating mechanism and bottom card conveying mechanism, make paper bag machine before paper bag paste cylinder folding bottom or the shaping that undercuts, just bottom card monolithic singly can be placed in corresponding paper bag automatically, solve the problems, such as that traditional paper bag machine does not put bottom card function automatically, realize that Fully-mechanized production paper bag is provided convenience for paper bag machine, so as to save a large amount of manpower and materials, greatly improve production efficiency.

Description

Paper bag machine and its put bottom card device automatically
Technical field
The present invention relates to paper bag machine, and in particular to paper bag machine and its puts bottom card device automatically.
Background technology
People usually do shopping used in the general all lighter softness of paper bag, therefore the bottom of paper bag need to place it is a piece of Bottom card made of hardboard carries the weight in paper bag, prevent from lifting object it is overweight when paper bag stress it is damaged, therefore this tool The paper bag for having bottom card structure is widely used and facilitates daily life.
, can only be manually the bottom of by but the paper bag machine for being traditionally used for making paper bag does not have paper bag to put bottom card function automatically Card monolithic is singly placed in corresponding paper bag, and the bottom card step of putting of this manual manufacture paper bag is pasted in paper bag Cylinder folding bottom undercuts what shaping was carried out afterwards, therefore can not just realize at all and first paste cylinder again after paper bag puts bottom card automatically, finally Again automatically into the process of folding bottom molding procedure, thus consume substantial amounts of manpower.
The content of the invention
The technical problems to be solved by the invention are that existing paper bag machine does not possess automatic the problem of putting bottom card function.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is to provide a kind of the automatic of paper bag machine and puts bottom Card device, including two frames being set up in parallel, the top of the frame is set up side by side two slave framves, in addition to:
Paper bag conveying mechanism, including several parallel and rotation are arranged at the conveying roller between two frames, wheel press The upper surface of the schedule of structure and the conveying roller is tangent, the both ends of phase section formed respectively according to direction of transfer paper bag input and Paper bag output end, bag drive mechanism is sent to drive the conveying roller axial rotation;
Bottom card card separating mechanism, including the paper feed cutter mechanism being set up between two slave framves and it is connected to paper feed knife machine The bottom card pinch roller at the paper delivery end of structure, be divided to card belt rotate be arranged between two slave framves, the bottom card pinch roller with it is described Divide the upper surface of card belt tangent, the both ends of phase section form point card input according to direction of transfer and divide card output end respectively, Divide divides card belt to be rotated along its phase section described in the driving of card drive mechanism;
Bottom card conveying mechanism, including the upper strata belt and lower floor's skin being arranged between two slave framves are rotated respectively Band, the upper strata belt is parallel with lower floor's belt and outer surface mutually reclines, and the both ends of abutment face are according to direction of transfer point Not Xing Cheng bottom card input and bottom card output end, card feed drive mechanism drives the upper strata belt to be pasted with lower floor's belt along it Linked by face, the bottom card input divides card output end relative with described, the bottom card output end and the paper bag output end Outbound course is tangent, and the paper bag input matches with paper bag machine.
It is described to send bag drive mechanism to include rotating the main transmission bar being arranged in the frame in such scheme, it is described Main transmission bar is vertical with the conveying roller, and one end of the conveying roller is fixed with driven helical gear, the axle of the main transmission bar Uniform several active helical gears upwards, the active helical gear is corresponded with the driven helical gear and engaged, described Main transmission bar is connected to the control system of the paper bag machine.
It is described to be divided to card drive mechanism to include being parallel to each other and rotating respectively being arranged at two slaves in such scheme Dividing card roller and divide card driven voller between frame, it is described divide card belt sleeve located at it is described divide card roller and it is described divide on card driven voller, the One sprocket wheel is fixed on described one end for dividing card roller, and the first motor is arranged on the slave frame, the output shaft of first motor The second sprocket wheel, first sprocket wheel and second sprocket wheel are fixed with positioned at the homonymy for dividing card drive mechanism, the first chain It is set on first sprocket wheel and second sprocket wheel.
In such scheme, the card feed drive mechanism includes being parallel to each other and rotating respectively being arranged at two slaves Card feed roller, card feed driven voller, secondary card feed roller and secondary card feed driven voller between frame, lower floor's belt sleeve are located at the card feed roller On card feed driven voller, the upper strata belt sleeve is on the secondary card feed roller and secondary card feed driven voller, and the one of the card feed roller End is fixed with the 3rd sprocket wheel, and the second motor is fixed on the slave frame, and the output shaft of second motor is fixed with the 4th chain Wheel, driven gear are fixed on one end of the secondary card feed roller, the driven gear, the 3rd sprocket wheel and the 4th sprocket wheel position In the homonymy of the card feed drive mechanism, the second chain is set on the 3rd sprocket wheel and the 4th sprocket wheel, described driven Gear and the 3rd sprocket engagement.
In such scheme, the paper feed cutter mechanism includes the separation being horizontally placed between the top of two slave framves Support bar and the paper feed knife being set up on the separation support bar, the paper delivery end of the paper feed knife and the bottom of the bottom card pinch roller Connection.
In such scheme, the paper feed cutter mechanism also includes two pressing boards, and the pressing board is provided with through hole, described Two pressing boards are slideably positioned in the both sides of the paper feed knife through the through hole and form described divide by separation support bar Card input.
In such scheme, the top vertical of each frame is provided with a support frame, between two support frames as described above Horizontally disposed to have support bar, the same end-rack of two slave framves is located on the support bar, one end of the pressing wheel mechanism Breach is provided with the horizontal direction, and a madial wall of the breach forms the paper bag output end according to direction of transfer, described in two The other end of slave frame tilts down and is resisted against another madial wall of the breach, bottom card card separating mechanism and bottom the card conveying The direction of transfer of mechanism is consistent with the incline direction of the slave frame, and the bottom card output end is located in the breach.
In such scheme, along the direction of transfer of the paper bag output end, the first photoelectricity is disposed with the breach Detector and the second photoelectric detector, the bottom card input and it is described divide between card output end be provided with the 3rd photoelectric detector, The bottom card output end is provided with the 4th photoelectric detector.
This programme additionally provides a kind of paper bag machine, including the automatic of said structure puts bottom card device, the paper bag conveyer Structure passes through gear or chain gear transmission with paper bag machine other parts.
The present invention, by the combination application of paper bag machine and paper bag conveying mechanism, bottom card card separating mechanism and bottom card conveying mechanism, Make paper bag machine before paper bag paste cylinder folding bottom or the shaping that undercuts, it becomes possible to be automatically singly placed on bottom card monolithic accordingly Paper bag in, solve the problems, such as that traditional paper bag machine does not put bottom card function automatically, realize Fully-mechanized production for paper bag machine Paper bag is provided convenience, and so as to save a large amount of manpower and materials, greatly improves production efficiency.
Brief description of the drawings
Fig. 1 is the overall schematic that the present invention is installed on paper bag machine;
Fig. 2 is the left view of the present invention;
Fig. 3 is the right view of the present invention;
Fig. 4 is Fig. 1 partial structural diagram;
Fig. 5 is the operation principle schematic diagram of the present invention.
Embodiment
The present invention is described in detail with reference to Figure of description.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the automatic of paper bag machine provided by the invention puts bottom card device, including positioned at machine The left and right sides of device and two frames 1 being set up in parallel, the top vertical of each frame 1 are provided with a support frame 12, two branch Being horizontally disposed between support 12 has a support bar 10, and the same end-rack of two symmetrical slave framves 11 side by side is located on support bar 10, Additionally include paper bag conveying mechanism, paper bag conveying mechanism includes several parallel conveying rollers 2, and the both ends of conveying roller 2 turn respectively Dynamic to be arranged on the medial surface of two frames 1, the upper surface of the schedule 7 and conveying roller 2 of the bottom of pressing wheel mechanism 6 is tangent, wheel press One end of structure 6 is provided with breach 14 in the horizontal direction, and a madial wall of breach 14 forms paper bag output end according to direction of transfer, two The other end of slave frame 11 tilts down and is resisted against another madial wall of breach 14, bottom card card separating mechanism and bottom card conveying mechanism Direction of transfer it is consistent with the incline direction of slave frame 11, and bottom card output end is located in breach 14.Paper bag monolithic schedule 7 with Phase section transmission between conveying roller 2, a bag drive mechanism driving conveying roller 2 is sent to rotate, pressing wheel mechanism uses prior art.
Along the direction of transfer of paper bag output end, the first photoelectric detector A and the inspection of the second photoelectricity are disposed with breach 14 Survey device B, the shift position of the monolithic for detecting paper bag 9.
As shown in Figure 2, Figure 3 and Figure 4, it is above-mentioned to send bag drive mechanism to include rotating and be disposed therein side of frame 1 Main transmission bar 4, main transmission bar 4 is vertical with conveying roller 2, and same one end of each conveying roller 2 is fixed with a driven helical gear 3, Uniform several active helical gears 5, conveying roller 2 and driven helical gear 3, the and of active helical gear 5 in the axial direction of main transmission bar 4 Fixed between main transmission bar 4 by key connection, active helical gear 5 corresponds with driven helical gear 3 and is in 90 degree of between cog Engagement connection, main transmission bar 4 is connected to the control system of paper bag machine, so as to realize that conveying roller 2 links with main transmission bar 4, control System is prior art.
Above-mentioned bottom card card separating mechanism includes the paper feed cutter mechanism 16 being set up between two slave framves 11, paper feed cutter mechanism 16 Including the separation support bar 15 being horizontally placed between the top of two slave framves 11, separation support bar 15 passes through logical on paper feed knife Paper feed knife is slideably positioned on separation support bar 15 by hole, so can be according to the monolithic specification of different bottom cards 8 in separation branch Paper feed knife is adjusted to suitable position on strut 15 and fixed, paper feed knife uses prior art, is respectively provided with two pressing boards 13 Two pressing boards 13 are slideably positioned in the both sides of paper feed knife through through hole and form a point card input by through hole, separation support bar 15 End, multiple bottom card monolithics are tiltedly placed on the side of separation support bar 15 during use, paper will be kept off according to the specification of different bottom cards 8 Plate 13 adjusts the both sides that bottom card 8 is pressed on to suitable position, and paper feed knife is used to be fed monolithic downwards to bottom card card separating mechanism Bottom card 8.
The bottom of above-mentioned paper feed cutter mechanism 16 is connected with bottom card pinch roller 17, and the paper delivery end of paper feed knife and bottom card pinch roller 17 Bottom it is tangent, be divided to card belt 34 to rotate and be arranged between two slave framves 11, bottom card pinch roller 17 and the upper table for dividing card belt 34 Face is tangent, and the both ends of phase section form point card input according to direction of transfer and divide card output end respectively, divide card drive mechanism to drive It is dynamic to divide card belt 34 to be rotated along its phase section.
Above-mentioned point of card drive mechanism include it is arranged in parallel divide card roller 18 and divide card driven voller 23, be divided to the two of card roller 18 Hold and be divided to the both ends of card driven voller 23 to rotate respectively to be arranged on the opposite face of two slave framves 11, above-mentioned point of card belt 34 is arranged In dividing card roller 18 and dividing on card driven voller 23, one end of card roller 18 is divided to be fixed with the first sprocket wheel 19, the first motor 20 is fixed on On one of slave frame 11, the output shaft of the first motor 20 is fixed with the second sprocket wheel 21, the first sprocket wheel 19 and the second sprocket wheel 21 Positioned at the homonymy for dividing card drive mechanism, the first chain 22 is set on the first sprocket wheel 19 and the second sprocket wheel 21, control system connection And the rotation of the first motor 20 is controlled, so as to control a point card belt 34 to rotate, and then can be by the monolithic for the bottom card 8 that paper feed knife is fed Separated from separation support bar 15.
Above-mentioned bottom card conveying mechanism includes rotating upper strata belt 32 and the lower floor being arranged between two slave framves 11 respectively Belt 33, upper strata belt 32 is parallel to each other with lower floor belt 33 and outer surface mutually reclines, and the both ends of the abutment face are according to transmission Direction forms bottom card input and bottom card output end, card feed drive mechanism driving upper strata belt 32 and lower floor's belt 33 along its respectively Abutment face links, and bottom card input is relative with above-mentioned point of card output end, bottom card output end and the above-mentioned paper bag of bottom card conveying mechanism The outbound course of the paper bag 9 of output end is tangent.
Above-mentioned card feed drive mechanism includes card feed roller 27 arranged in parallel, card feed driven voller 28, the secondary and of card feed roller 30 Secondary card feed driven voller 31, and card feed roller 27, card feed driven voller 28, secondary card feed roller 30 and secondary card feed driven voller 31 rotate setting respectively Between two slave framves 11, above-mentioned lower floor's belt 29 is sheathed on card feed roller 27 and card feed driven voller 28, above-mentioned upper strata belt 32 are sheathed on secondary card feed roller 30 and secondary card feed driven voller 31, and one end of card feed roller 27 is fixed with the 3rd sprocket wheel 26, the second motor 25 are fixed on another slave frame 11, and are oppositely arranged with the first motor 20, and the output shaft of the second motor 25 is fixed with the 4th Sprocket wheel 24, one end of secondary card feed roller 30 are fixed with driven gear 33, and driven gear 33, the 3rd sprocket wheel 26 and the 4th sprocket wheel 24 are located at The homonymy of card feed drive mechanism, the second chain 35 are set on the 3rd sprocket wheel 26 and the 4th sprocket wheel 24, driven gear 33 and the 3rd Sprocket wheel 26 engages, and the 3rd gear 26 is stepped gear.
Above-mentioned paper bag input matches connection with paper bag machine, so as to paper bag machine by the monolithic of unformed paper bag 9 from paper bag Input is fed to be put in the card device of bottom automatically.Bottom card input and divide between card output end and be provided with the 3rd photoelectric detector C, bottom Card output end is provided with the 4th photoelectric detector D.Above-mentioned photoelectric detector uses prior art, the first motor 20 and the second motor 25 can use servomotor of the prior art, the first photoelectric detector A, the second photoelectric detector B, the 3rd photoelectric detector C It is connected with the 4th photoelectric detector D with the control system of paper bag machine.
As shown in Fig. 2, Fig. 3 and Fig. 5, operation principle of the invention is as follows:
The monolithic of the paper bag 9 of undressed shaping, by being sent to paper bag output end between the upper surface of conveying roller 2 and schedule 7, When the first photoelectric detector A on the direction of transfer of paper bag output end detects the monolithic edge of paper bag 9, the first motor 20 opens It is dynamic, and the monolithic of bottom card 8 is separated and is transported to point by dividing card belt 34 by control system control bottom card card separating mechanism Card output end, when the monolithic edge of bottom card 8 reaches the 3rd photoelectric detector C position, control system controls the first motor 20 to stop Only, when the monolithic of paper bag 9 is transported at the second photoelectric detector B, the first motor 20 is again started up, when bottom card card separating mechanism is by The monolithic edge of two bottom cards 8 is transported to the 3rd photoelectric detector C position, and the first motor 20 stops again.Meanwhile bottom card is defeated The monolithic for the bottom card 8 that first be parked at the 3rd photoelectric detector C by mechanism is sent to be sent between card feed roller 27 and secondary card feed roller 30, Being rotated again by the second motor 25 makes upper strata belt 32 and lower floor's belt 29 that the monolithic of bottom card 8 is finally transported into bottom card 8 and paper bag 9 Junction (at the 4th photoelectric detector D), put bottom card process so as to complete the automatic of paper bag machine, then followed again by said process Ring works, and is so repeated the monolithic of bottom card 8 separating and be placed on 9 corresponding position of paper bag automatically one by one successively On.
Present invention also offers a kind of including the above-mentioned automatic paper bag machine for putting bottom card device, wherein paper bag conveying mechanism and paper Bag machine other parts are simple in construction by gear or chain gear transmission, make each operation linking smooth, put the transmission of bottom card device automatically Matched than the transporting velocity with paper bag machine, it is ensured that put the accurate stabilization of bottom clipping technique.
The present invention, by the combination application of paper bag machine and paper bag conveying mechanism, bottom card card separating mechanism and bottom card conveying mechanism, Make paper bag machine before paper bag paste cylinder folding bottom or the shaping that undercuts, it becomes possible to be automatically singly placed on bottom card monolithic accordingly Paper bag in, solve the problems, such as that traditional paper bag machine does not put bottom card function automatically, realize Fully-mechanized production for paper bag machine Paper bag is provided convenience, and so as to save a large amount of manpower and materials, greatly improves production efficiency.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn that the knot made under the enlightenment of the present invention Structure changes, and the technical schemes that are same or similar to the present invention, each falls within protection scope of the present invention.

Claims (7)

1. the automatic of paper bag machine puts bottom card device, including two frames being set up in parallel, the top of the frame is set up side by side to be had Two slave framves, it is characterised in that also include:
Paper bag conveying mechanism, including several parallel and rotation are arranged at the conveying roller between two frames, pressing wheel mechanism The upper surface of schedule and the conveying roller is tangent, and the both ends of phase section form paper bag input and paper bag according to direction of transfer respectively Output end, bag drive mechanism is sent to drive the conveying roller axial rotation;
Bottom card card separating mechanism, including the paper feed cutter mechanism being set up between two slave framves and it is connected to paper feed cutter mechanism The bottom card pinch roller at paper delivery end, it is divided to card belt to rotate and is arranged between two slave framves, the bottom card pinch roller and described point of card The upper surface of belt is tangent, and the both ends of phase section form point card input according to direction of transfer and divide card output end respectively, point card Card belt is divided to be rotated along its phase section described in drive mechanism driving;
Bottom card conveying mechanism, including the upper strata belt and lower floor's belt being arranged between two slave framves, institute are rotated respectively State that upper strata belt is parallel with lower floor's belt and outer surface mutually reclines, the both ends of abutment face are formed respectively according to direction of transfer Bottom card input and bottom card output end, card feed drive mechanism drive the upper strata belt to join with lower floor's belt along its abutment face Dynamic, the bottom card input divides card output end relative with described, the output side of the bottom card output end and the paper bag output end To tangent, the paper bag input matches with paper bag machine;
It is described to send bag drive mechanism to include rotating the main transmission bar being arranged in the frame, the main transmission bar and the conveying Roller is vertical, and one end of the conveying roller is fixed with driven helical gear, uniform several active spiral shells in the axial direction of the main transmission bar Gear is revolved, the active helical gear is corresponded with the driven helical gear and engaged, and the main transmission bar is connected to described The control system of paper bag machine, it is described be divided to card drive mechanism include be parallel to each other and rotate respectively be arranged at two slave framves it Between divide card roller and divide card driven voller, it is described divide card belt sleeve located at it is described divide card roller and it is described divide on card driven voller, the first chain Wheel is fixed on described one end for dividing card roller, and the first motor is arranged on the slave frame, and the output shaft of first motor is fixed There are the second sprocket wheel, first sprocket wheel and second sprocket wheel to be arranged positioned at the homonymy for dividing card drive mechanism, the first chain On first sprocket wheel and second sprocket wheel.
2. the automatic of paper bag machine as claimed in claim 1 puts bottom card device, it is characterised in that the card feed drive mechanism includes It is parallel to each other and rotates the card feed roller being arranged between two slave framves, card feed driven voller, secondary card feed roller and pair respectively and send Card driven voller, for lower floor's belt sleeve on the card feed roller and card feed driven voller, the upper strata belt sleeve is located at the pair On card feed roller and secondary card feed driven voller, one end of the card feed roller is fixed with the 3rd sprocket wheel, and the second motor is fixed on the slave On frame, the output shaft of second motor is fixed with the 4th sprocket wheel, and driven gear is fixed on one end of the secondary card feed roller, described Driven gear, the 3rd sprocket wheel and the 4th sprocket wheel are located at the homonymy of the card feed drive mechanism, and the second chain is set in On 3rd sprocket wheel and the 4th sprocket wheel, the driven gear and the 3rd sprocket engagement.
3. the automatic of paper bag machine as claimed in claim 1 puts bottom card device, it is characterised in that the paper feed cutter mechanism includes water The flat separation support bar being arranged between the top of two slave framves and the paper feed knife being set up on the separation support bar, institute The paper delivery end for stating paper feed knife is connected with the bottom of the bottom card pinch roller.
4. the automatic of paper bag machine as claimed in claim 3 puts bottom card device, it is characterised in that the paper feed cutter mechanism also includes Two pressing boards, the pressing board are provided with through hole, and the separation support bar slides two pressing boards through the through hole Divide card input described in the dynamic both sides for being arranged at the paper feed knife and formation.
5. the automatic of paper bag machine as claimed in claim 1 puts bottom card device, it is characterised in that the top vertical of each frame A support frame is provided with, being horizontally disposed between two support frames as described above has support bar, the same end-rack of two slave framves Be located on the support bar, one end of the pressing wheel mechanism is provided with breach in the horizontal direction, a madial wall of the breach according to Direction of transfer forms the paper bag output end, and the other end of two slave framves tilts down and is resisted against the another of the breach The direction of transfer of one madial wall, the bottom card card separating mechanism and bottom card conveying mechanism is consistent with the incline direction of the slave frame, And the bottom card output end is located in the breach.
6. the automatic of paper bag machine as claimed in claim 5 puts bottom card device, it is characterised in that along the biography of the paper bag output end Direction is sent, the first photoelectric detector and the second photoelectric detector, the bottom card input and institute are disposed with the breach State and be provided with the 3rd photoelectric detector between point card output end, the bottom card output end is provided with the 4th photoelectric detector.
7. paper bag machine, it is characterised in that including putting bottom card device, the paper automatically as described in claim 1-6 any one of item Bag conveying mechanism passes through gear or chain gear transmission with paper bag machine other parts.
CN201510044478.9A 2015-01-28 2015-01-28 Paper bag machine and its put bottom card device automatically Active CN104608425B (en)

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CN107745544B (en) * 2017-11-11 2024-03-26 东莞市富明实业有限公司 Bag mouth sticking device of handbag machine
CN108943871B (en) * 2018-09-17 2024-01-26 上豪包装机械(镇江)有限公司 Flat rope outward folding servo pre-cutting device of paper bag machine
CN109795160A (en) * 2019-02-22 2019-05-24 深圳市同颖纸袋有限公司 A kind of kraft paper bag preprinted stiffener automatic feeding system
CN111531958A (en) * 2020-04-26 2020-08-14 佛山市达肯包装机械有限公司 Main traction direct cutting and tearing device
CN112478336B (en) * 2020-12-18 2022-04-29 长沙长泰智能装备有限公司 Automatic implanting machine for bottom paperboard
CN112936995A (en) * 2021-02-02 2021-06-11 昆山科望快速印务有限公司 Full-automatic paper bag production line for intelligent workshop
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Address after: 325200 Zhejiang Wenzhou Ruian Economic Development Zone dedicated road

Patentee after: ZHEJIANG ZENBO PRINTING MACHINERY CO.,LTD.

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Patentee before: WENZHOU ZENBO PRINTING MACHINERY Co.,Ltd.

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Address after: 325200 dedication Road, Ruian Economic Development Zone, Wenzhou, Zhejiang

Patentee after: Zhejiang ZHENGBO Intelligent Machinery Co.,Ltd.

Address before: 325200 dedication Road, Ruian Economic Development Zone, Wenzhou, Zhejiang

Patentee before: Zhejiang ZHENGBO Machinery Technology Co.,Ltd.

Address after: 325200 dedication Road, Ruian Economic Development Zone, Wenzhou, Zhejiang

Patentee after: Zhejiang ZHENGBO Machinery Technology Co.,Ltd.

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Denomination of invention: Paper bag machine and its automatic bottom card placing device

Effective date of registration: 20210915

Granted publication date: 20180320

Pledgee: Zhejiang Ruian Rural Commercial Bank Co.,Ltd.

Pledgor: Zhejiang ZHENGBO Intelligent Machinery Co.,Ltd.

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Date of cancellation: 20220727

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Registration number: Y2021990000840