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CN107215691A - One kind rotation paper feeding type card printer - Google Patents

One kind rotation paper feeding type card printer Download PDF

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Publication number
CN107215691A
CN107215691A CN201710579966.9A CN201710579966A CN107215691A CN 107215691 A CN107215691 A CN 107215691A CN 201710579966 A CN201710579966 A CN 201710579966A CN 107215691 A CN107215691 A CN 107215691A
Authority
CN
China
Prior art keywords
card
paper feeding
feeding type
plate
tracheae
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.)
Withdrawn
Application number
CN201710579966.9A
Other languages
Chinese (zh)
Inventor
虞建强
虞东杰
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.)
Huzhou Jianing Printing Co Ltd
Original Assignee
Huzhou Jianing Printing 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 Huzhou Jianing Printing Co Ltd filed Critical Huzhou Jianing Printing Co Ltd
Priority to CN201710579966.9A priority Critical patent/CN107215691A/en
Publication of CN107215691A publication Critical patent/CN107215691A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/08Separating articles from piles using pneumatic force
    • B65H3/0808Suction grippers
    • B65H3/0816Suction grippers separating from the top of pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00Means using fluid
    • B65H2406/30Suction means
    • B65H2406/34Suction grippers
    • B65H2406/345Rotary suction grippers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

Paper feeding type card printer is rotated the invention discloses one kind, it includes paper carrying case (1), it is provided with paper carrying case (1) on six side rotating disks (2), every one side of six side rotating disks (2) and is provided with suction pipe (3);Suction pipe (3) one end is connected with sucker (4), and sucker (4) one end is connected with directing plate (5);It is provided with immediately below six side rotating disks (2) below card hopper (6), card hopper (6) and is provided with pressing plate (7);Paper carrying case (1) side is provided with impressing case (24), impressing case (24) and is provided with cylinder (25), and cylinder (25) bottom is fixedly connected with printing plate (26);Cylinder (25) side is connected with magnetic valve (30);Magnetic valve (30) is connected with delay switch (32), delay switch (32) and is connected with correlation optoelectronic switch (29).The present invention can not only improve efficiency, reduction energy consumption and improve precision, also have the advantages that Stability Analysis of Structures, applied widely and product qualified rate are high.

Description

One kind rotation paper feeding type card printer
Technical field
The present invention relates to a kind of rotation paper feeding type card printer of printing industry.
Background technology
At present, the card-like printing machine of in the market is first put into card deck in card hopper in printing cards or business card, After starting switch, its device for conveying card generally holds card, then lifting using the first air-breathing of sucker, is advanced again into transmission Take, then sucker is vented, card drops, sucker returns the top of card hopper, repetition picks up card, and speed is slower, efficiency It is relatively low;During card is conveyed, because the device for conveying card moves reciprocatingly back and forth, and will ceaselessly air-breathing and row Gas, the energy consumption provided to air pump is higher;And when card is sent to eindruckwerk, printing plate is in printing cards, the card printed off Easily there is deviation in piece, and the precision of printing is relatively low, and the content of printing correctly can not be printed in the middle of card, print off finished product Qualification rate is relatively low.Therefore, existing card-like printing machine exist that less efficient, energy consumption is higher, precision is poor and qualification rate compared with Low the problem of.
The content of the invention
It is an object of the present invention to provide a kind of rotation paper feeding type card printer.The present invention can not only improve efficiency, drop Low energy consumption, also has the advantages that precision and qualification rate are higher.
Technical scheme:Six are provided with one kind rotation paper feeding type card printer, including paper carrying case, paper carrying case Suction pipe is provided with side rotating disk, every one side of six side rotating disks;Suction pipe one end is connected with sucker, and sucker one end is connected with guiding Plate;It is provided with immediately below six side rotating disks below card hopper, card hopper and is provided with pressing plate;Be connected with spring below pressing plate, spring with Paper carrying case is connected;It is additionally provided with separating plate on the paper carrying case, the rotary motion trace of separating plate and sucker is tangent;Set below separating plate It is equipped with conveyer belt, conveyer belt and is connected with transfer roller;The paper carrying case side is provided with impressing case, impressing case and is provided with gas Cylinder, cylinder end is fixedly connected with printing plate;Cylinder side is connected with magnetic valve;Magnetic valve one end is connected with air pump, and the other end connects It is connected on delay switch, delay switch and is connected with correlation optoelectronic switch, correlation optoelectronic switch is arranged on the side of printing plate.
In a kind of foregoing rotation paper feeding type card printer, the six sides rotating disk both sides are connected to rotating shaft and sealing It is connected with bearing, rotating shaft in motor, sealed bearings and is connected with tracheae, air pump is connected with tracheae;In the rotating disk of six side also Provided with cavity, the motor is fixed on paper carrying case;The sealed bearings inner ring is connected with tracheae, and outer ring connects with six side rotating disks Connect, sealant is provided between the inner ring of sealed bearings and outer ring.
In a kind of foregoing rotation paper feeding type card printer, the card hopper top ends are provided with fixed on baffle plate, baffle plate It is connected with fixed mount, fixed mount and is threaded with nut, baffle plate leaves space with card hopper top ends, and the height in space is one The thickness of card is opened between the thickness of two cards.
In a kind of foregoing rotation paper feeding type card printer, the sucker bottom is provided with rubber layer, rubber layer and set There are several stomatas uniformly arranged.
In a kind of foregoing rotation paper feeding type card printer, the cylinder includes being connected with piston in cylinder body, cylinder body, living Side, which is provided with below upper cavity, piston, beyond the Great Wall is provided with lower chamber;Cylinder body is externally connected with the first tracheae and the second tracheae, the first tracheae with Upper cavity is connected, and the second tracheae is connected with lower chamber.
In a kind of foregoing rotation paper feeding type card printer, the transfer roller includes the first transfer roller and the second transmission Roller, the first transfer roller is arranged on immediately below printing plate and its left side, and is connected with motor a;Under second transfer roller is arranged on printing plate just The right side of side, and it is connected with motor b.
In a kind of foregoing rotation paper feeding type card printer, the correlation optoelectronic switch includes transmitter, transmitter Right opposite is provided with receiver;Transmitter is arranged between the first transfer roller and the second transfer roller.
In a kind of foregoing rotation paper feeding type card printer, the correlation optoelectronic switch, magnetic valve, delay switch, It is respectively connected with motor a and motor b on electric wire, electric wire and is connected with power supply.
Compared with prior art, the present invention is each on six side rotating disks, and six side rotating disks by being provided with paper advance mechanism While being provided with suction pipe, suction pipe is connected to sucker, totally six suckers, and each sucker can pick up card, then passes through separation Plate separates card from sucker, card is dropped on a moving belt, and six suckers can all work, speed, efficiency compared with It is high;Because six side rotating disks are rotating, and the sucker of the inside is constantly in suction condition, is backhauled relative to reciprocal Dynamic, the energy of rotary motion consumption is smaller, and energy consumption is relatively low;By being provided with correlation optoelectronic switch in eindruckwerk, work as card When piece is by below printing plate, when card one end touches the infrared ray that correlation optoelectronic switch is launched, correlation optoelectronic switch Open, be transported to by transfer roller immediately below printing plate, when the card other end leaves the infrared ray that correlation optoelectronic switch is launched, Transfer roller stops conveying, and printing plate starts printing, and due to being controlled by correlation optoelectronic switch, precision is higher, make to print out into Product qualification rate is higher.In addition, the present invention also by the cavity of paper advance mechanism one end set sealed bearings, sealed bearings it is interior Circle is connected with tracheae, and the outer ring of sealed bearings is connected with cavity, drives cavity to rotate by motor, and tracheae is fixed and do not rotated, It is rational in infrastructure and stably;Baffle plate is provided with by being arranged on card hopper, nut is connected with baffle plate, nut can be with fixed card Case and baffle plate, are transferred position of the baffle plate on card hopper, are changed the gap of baffle plate and card hopper top with this, are applicable In the card of different-thickness, the scope of application is improved;By setting rubber layer in sucker bottom, when sucker by stomata picks up card During piece, rubber layer can protect card face not to be scratched or become gauffer, improve product qualified rate;By in paper feed mechanism Air inlet pipe air inlet and blast pipe gas exhaust inspecting printing plate up and down motion, so as to carry out print product, further increase knot Structure stability;It is connected by motor a with the transfer roller in immediately below printing plate and its left side, motor b and the biography on the right side of printing plate underface Roller is sent to connect, and motor a is controlled by correlation optoelectronic switch, the transmitter of correlation optoelectronic switch is arranged on immediately below printing plate Right side, by motor a control transfer roller come transfer card, flexible structure.Therefore, the present invention can not only improve efficiency, reduction Energy consumption and raising precision, also have the advantages that Stability Analysis of Structures and flexible, applied widely and product qualified rate are high.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the sectional view of six side rotating disks;
Fig. 3 is the structural representation of card hopper;
Fig. 4 is the top view of card hopper;
Fig. 5 is the structural representation of sucker;
Fig. 6 is the sectional view of cylinder;
Fig. 7 is the structural representation of correlation optoelectronic switch.
Mark in accompanying drawing for:1- paper carrying casees, the side rotating disks of 2- six, 3- suction pipes, 4- suckers, 5- directing plates, 6- card hoppers, 7- Pressing plate, 8- springs, 9- separating plates, 10- conveyer belts, 11- transfer rollers, 12- cavitys, 13- rotating shafts, 14- motors, 15- sealed bearings, 16- tracheaes, 17- air pumps, 18- rubber layers, 19- stomatas, 20- baffle plates, 21- cards, 22- nuts, 23- fixed mounts;24- is imprinted Case, 25- cylinders, 26- printing plates, 27- motors a, 28- motor b, 29- correlation optoelectronic switch, 30- magnetic valves, 31- air pumps, 32- Delay switch, 33- cylinder bodies, 34- pistons, the tracheaes of 35- first, the tracheaes of 36- second, 37- transmitters, 38- receivers, 39- electric wires, 40- upper cavities, 41- lower chambers, the transfer rollers of 42- first, the transfer rollers of 43- second, 44- collection casees.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to According to.
Embodiment.One kind rotation paper feeding type card printer, is constituted as shown in Fig. 1 to 7, including paper carrying case 1, paper carrying case 1 Inside it is provided with six side rotating disks 2, every one side of six side rotating disks 2 and is provided with suction pipe 3;The one end of suction pipe 3 is connected with sucker 4, sucker 4 One end is connected with directing plate 5;Card hopper 6 is provided with immediately below six side rotating disk 2, the lower section of card hopper 6 is provided with pressing plate 7;Under pressing plate 7 Side is connected with spring 8, and spring 8 is connected with paper carrying case 1;Separating plate 9, separating plate 9 and sucker 4 are additionally provided with the paper carrying case 1 Rotary motion trace it is tangent;The lower section of separating plate 9, which is provided with conveyer belt 10, conveyer belt 10, is connected with transfer roller 11;The paper carrying case 1 Side is provided with impressing case 24, impressing case 24 and is provided with cylinder 25, and the bottom of cylinder 25 is fixedly connected with printing plate 26;Cylinder 25 1 Side is connected with magnetic valve 30;The one end of magnetic valve 30 is connected with air pump 31, and the other end is connected with delay switch 32, delay switch 32 Correlation optoelectronic switch 29 is connected with, correlation optoelectronic switch 29 is arranged on the side of printing plate 26.
The both sides of six side rotating disk 2 are connected in rotating shaft 13 and sealed bearings 15, rotating shaft 13 and are connected with motor 14, close It is connected with envelope bearing 15 on tracheae 16, tracheae 16 and is connected with air pump 17;Cavity 12 is additionally provided with six side rotating disk 2, it is described Motor 14 is fixed on paper carrying case 1;The inner ring of sealed bearings 15 is connected with tracheae 16, and outer ring is connected with six side rotating disks 2, sealing Sealant is provided between the inner ring of bearing 15 and outer ring;The top ends of card hopper 6 are provided with fixed on baffle plate 20, baffle plate 20 connect It is connected on fixed mount 23, fixed mount 23 and is threaded with nut 22, baffle plate 20 leaves space with the top ends of card hopper 6, space Height a card thickness between the thickness of two cards;The bottom of sucker 4 is provided with rubber layer 18, rubber layer 18 The stomata 19 uniformly arranged provided with several;The cylinder 25 includes being connected with piston 34, piston 34 in cylinder body 33, cylinder body 33 Top is provided with upper cavity 40, and the lower section of piston 34 is provided with lower chamber 41;Cylinder body 33 is externally connected with the first tracheae 35 and the second tracheae 36, First tracheae 35 is connected with upper cavity 40, and the second tracheae 36 is connected with lower chamber 41;The transfer roller 11 includes the first transfer roller 42 and second transfer roller 43, the first transfer roller 42 is arranged on immediately below printing plate 26 and its left side, and is connected with motor a27;Second Transfer roller 43 is arranged on the right side immediately below printing plate 26, and is connected with motor b28;The correlation optoelectronic switch 29 includes transmitting Device 37, the right opposite of transmitter 37 is provided with receiver 38;Transmitter 37 be arranged on the first transfer roller 42 and the second transfer roller 43 it Between;Electric wire 39 is respectively connected with the correlation optoelectronic switch 29, magnetic valve 30, delay switch 32, motor a27 and motor b28, Power supply is connected with electric wire 39.
Operation principle:After switching on power, when card 21 is put into card hopper 6, the pressing plate 7 of the lower section of card hopper 6 is by spring 8 Upward elastic force, card 21 is fixed in card hopper 6, and card 21 is by the stop of the top baffle plate 20 of card hopper 6, baffle plate 20 On have nut 22, nut 22 can transfer position of the baffle plate 20 on card hopper 6 with fixed card case 6 and baffle plate 20, with This changes the gap of baffle plate 20 and the top of card hopper 6, it is adaptable to the card 21 of different-thickness, card 21 is in card all the time Top ends in case 6, and space is left in the top left hand of card hopper 6, the height in space a card 21 thickness to two Between the thickness of card 21, card 21 is set easily to be sucked out;After card 21 are put in card hopper 6 well, the air-breathing of air pump 17 makes six sides Cavity 12 in rotating disk 2 produces negative pressure, sucker 4 is picked up card 21 by suction pipe 3, then motor 14 starts, and drives rotating shaft 13 rotate, and the rotation of rotating shaft 13 drives cavity 12 to rotate, because the inner ring of sealed bearings 15 is connected with tracheae 16, sealed bearings 15 Outer ring be connected with cavity 12, therefore the rotation of rotating shaft 13 when driving the cavity 12 to rotate tracheae 16 will not with rotating together, and The rotation of cavity 12 drives the rotation of the sucker 4 on six side rotating disks 2 per one side;When the sucker 4 that suction has card 21 turns to separation During plate 9, because the rotary motion trace of separating plate 9 and sucker 4 is tangent, and directing plate 5 and the bottom surface of sucker 4 are angled, directing plate 5 On one end of the movement locus of sucker 4, and it is also angled with adsorbed card 21, and separating plate 9 passes through the He of directing plate 5 Gap between card 21, separates card 21, falls on conveyer belt 10, conveyer belt 10 by the rotation of transfer roller 11, Card 21 on conveyer belt 10 is transported in eindruckwerk.
When card 21 is transported to from paper feed mechanism by conveyer belt 10 in impressing case 1, motor b28 is being rotated always, The second transfer roller 43 on the right side of immediately below printing plate 26 is driven to convey card 21 to the left, when the one end of card 21 is opened by correlation photoelectricity When closing 29, when touching the infrared ray that the transmitter 37 of correlation optoelectronic switch 29 is sent, receiver 38 can not be received hair During the infrared ray that emitter 37 is sent, correlation optoelectronic switch 29 is opened, and connects delay switch 32 and motor a27 power supply, motor A27 starts to rotate, and drives first transfer roller 42 in immediately below printing plate 26 and its left side to convey card 21 to the left, when card 21 is whole It is conveyed through coming, when the other end of card 21 leaves correlation optoelectronic switch 29, receiver 38 is received transmitter 37 and send Infrared ray, then correlation optoelectronic switch 29 close, motor a27 stops operating, underface of the card 21 just at printing plate 26; Meanwhile, when correlation optoelectronic switch 29 is opened, the electric capacity in delay switch 32 is charged, now the electromagnet in magnetic valve 30 Open, make the air inlet of the second tracheae 36 in cylinder 25, lower chamber 41 is full of air, piston 34 is kept up, printing plate 26 also to On;When correlation optoelectronic switch 29 is closed, stop charging to the electric capacity in delay switch 32, wait the electric capacity in delay switch 32 After being discharged, now electromagnet in magnetic valve 30 is closed, and air pump 31 makes the air inlet of the first tracheae 35 in cylinder 25, and the second gas Pipe 36 is vented, and upper cavity 40 is full of air, and lower chamber 41 is vented, and moves downward piston 34, printing plate 26 is also moved downward, and is delayed Printing work of the printing plate 26 to card 21;And print ink used and be stored in printing plate 26, printing plate 26 can directly print card Piece, after printing plate 26 is completed for printing to card 21, next card 21 to be printed is transported to from paper feed mechanism in impressing case 1 On second transfer roller 43 on right side, motor b28 drives the second transfer roller 43 on the right side of immediately below printing plate 26 to convey card 21 to the left, When touching correlation optoelectronic switch 29, motor a27 is started running, and the card 21 printed immediately below printing plate 26 is led to Cross in the conveying collection of conveyer belt 10 case 44, and the card 21 to be printed such as next passes through correlation optoelectronic switch 29, Zhi Daoyin Immediately below version 26, start printing, be collected in after all card prints are good in collection case 44, end-of-job.

Claims (8)

1. one kind rotation paper feeding type card printer, it is characterised in that:Including paper carrying case (1), six sides are provided with paper carrying case (1) Suction pipe (3) is provided with rotating disk (2), every one side of six side rotating disks (2);Suction pipe (3) one end is connected with sucker (4), sucker (4) One end is connected with directing plate (5);It is provided with immediately below six side rotating disks (2) below card hopper (6), card hopper (6) and is provided with pressing plate (7);Spring (8) is connected with below pressing plate (7), spring (8) is connected with paper carrying case (1);It is additionally provided with the paper carrying case (1) point From plate (9), the rotary motion trace of separating plate (9) and sucker (4) is tangent;Conveyer belt (10), conveyer belt are provided with below separating plate (9) (10) transfer roller (11) is connected with;Paper carrying case (1) side is provided with impressing case (24), impressing case (24) and is provided with gas Cylinder (25), cylinder (25) bottom is fixedly connected with printing plate (26);Cylinder (25) side is connected with magnetic valve (30);Magnetic valve (30) One end is connected with air pump (31), and the other end, which is connected with, to be connected with correlation photoelectricity on delay switch (32), delay switch (32) and open Close (29), correlation optoelectronic switch (29) is arranged on the side of printing plate (26).
2. a kind of rotation paper feeding type card printer according to claim 1, it is characterised in that:Six side rotating disk (2) Both sides, which are connected in rotating shaft (13) and sealed bearings (15), rotating shaft (13), is connected with motor (14), in sealed bearings (15) It is connected with tracheae (16), tracheae (16) and is connected with air pump (17);Cavity (12) is additionally provided with six side rotating disk (2), it is described Motor (14) is fixed on paper carrying case (1);Sealed bearings (15) inner ring is connected with tracheae (16), outer ring and six side rotating disks (2) connect, sealant is provided between the inner ring of sealed bearings (15) and outer ring.
3. a kind of rotation paper feeding type card printer according to claim 1, it is characterised in that:Card hopper (6) top End is provided with baffle plate (20), baffle plate (20) and is fixedly connected with fixed mount (23), and fixed mount is threaded with nut on (23) (22), baffle plate (20) and card hopper (6) top ends leave space, the height in space a card thickness to two cards Between thickness.
4. a kind of rotation paper feeding type card printer according to claim 1, it is characterised in that:Sucker (4) bottom Rubber layer (18) is provided with, rubber layer (18) is provided with the stomata (19) that several are uniformly arranged.
5. a kind of rotation paper feeding type card printer according to claim 1, it is characterised in that:The cylinder (25) includes It is connected with cylinder body (33), cylinder body (33) above piston (34), piston (34) and is provided with upper cavity (40), is provided with below piston (34) Lower chamber (41);Cylinder body (33) is externally connected with the first tracheae (35) and the second tracheae (36), the first tracheae (35) and upper cavity (40) connect, the second tracheae (36) is connected with lower chamber (41).
6. a kind of rotation paper feeding type card printer according to claim 1, it is characterised in that:Transfer roller (11) bag The first transfer roller (42) and the second transfer roller (43) are included, the first transfer roller (42) is arranged on immediately below printing plate (26) and its left side, And it is connected with motor a (27);Second transfer roller (43) is arranged on the right side immediately below printing plate (26), and is connected with motor b (28).
7. a kind of rotation paper feeding type card printer according to claim 1, it is characterised in that:The correlation photoelectricity is opened Closing (29) includes transmitter (37), and transmitter (37) right opposite is provided with receiver (38);Transmitter (37) is arranged on the first biography Send between roller (42) and the second transfer roller (43).
8. a kind of rotation paper feeding type card printer according to any claim in claim 1 to 7, its feature exists In:Connect on the correlation optoelectronic switch (29), magnetic valve (30), delay switch (32), motor a (27) and motor b (28) Electric wire (39) is connected to, electric wire is connected with power supply on (39).
CN201710579966.9A 2017-07-17 2017-07-17 One kind rotation paper feeding type card printer Withdrawn CN107215691A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710579966.9A CN107215691A (en) 2017-07-17 2017-07-17 One kind rotation paper feeding type card printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710579966.9A CN107215691A (en) 2017-07-17 2017-07-17 One kind rotation paper feeding type card printer

Publications (1)

Publication Number Publication Date
CN107215691A true CN107215691A (en) 2017-09-29

Family

ID=59952306

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710579966.9A Withdrawn CN107215691A (en) 2017-07-17 2017-07-17 One kind rotation paper feeding type card printer

Country Status (1)

Country Link
CN (1) CN107215691A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107720352A (en) * 2017-11-17 2018-02-23 海盐创美印业有限公司 A kind of printing paper feeder easy to use
CN107777395A (en) * 2017-11-17 2018-03-09 海盐创美印业有限公司 A kind of rotary printing paper feeder
CN110790047A (en) * 2019-11-14 2020-02-14 杭州少君科技有限公司 Paper jamming prevention device for printing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107720352A (en) * 2017-11-17 2018-02-23 海盐创美印业有限公司 A kind of printing paper feeder easy to use
CN107777395A (en) * 2017-11-17 2018-03-09 海盐创美印业有限公司 A kind of rotary printing paper feeder
CN110790047A (en) * 2019-11-14 2020-02-14 杭州少君科技有限公司 Paper jamming prevention device for printing

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Application publication date: 20170929

WW01 Invention patent application withdrawn after publication