CN210454134U - Web perfecting press - Google Patents

Web perfecting press Download PDF

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Publication number
CN210454134U
CN210454134U CN201920883407.1U CN201920883407U CN210454134U CN 210454134 U CN210454134 U CN 210454134U CN 201920883407 U CN201920883407 U CN 201920883407U CN 210454134 U CN210454134 U CN 210454134U
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China
Prior art keywords
paper
printing
casing
seat
fixed
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Active
Application number
CN201920883407.1U
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Chinese (zh)
Inventor
齐龙
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.)
Shandong Huaao Printing Co ltd
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Shandong Huaao Printing Co Ltd
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Priority to CN201920883407.1U priority Critical patent/CN210454134U/en
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Abstract

The utility model belongs to the printing machine field, especially, web double-side printing machine to the paper guide roll on current printing machine when the transmission bears the seal paper, can not adjust the tension of paper in real time for the paper causes the fold easily at the printing in-process, influences normal printing, and the poor problem of drying effect of paper, now provides following scheme, and it includes the casing, one side of casing is rotated and is installed paper supply cylinder and collection cylinder, is equipped with the seal paper on the paper supply cylinder, and fixed mounting has servo motor on the casing, and servo motor's output shaft transmission is connected on the paper supply cylinder, and one side of casing is rotated and is installed two first inking rollers and two second inking rollers. The utility model discloses simple structure, convenient operation, this printing machine can adjust the tension of printing paper in real time when transmitting printing paper for the fold can not appear at the printing in-process to printing paper, and the drying effect of printing paper is good.

Description

Web perfecting press
Technical Field
The utility model relates to a printing machine technical field especially relates to a web double side printing machine.
Background
The printing machine generally comprises mechanisms such as plate loading, inking, coining, collection, and the operating principle of the printing machine is as follows: in a web-fed duplex printing press which forms a printing plate from characters and images to be printed and which is mounted on the press, and which is then applied manually or by the press to the printing plate where the characters and images are provided, and which is then transferred directly or indirectly to paper, thereby reproducing the same printed matter as the printing plate, application No. 201821066551.8 discloses a web-fed duplex printing press comprising a paper supply unit including a paper supply cylinder, a paper supply support and a paper supply table, an ink supply unit including a paper receiving cylinder, a paper receiving support and a paper receiving table, the ink supply unit including an ink fountain, an ink roller, a first transfer roller, a first ink form roller, a second ink transfer roller and a second ink form roller, the ink roller being suspended in the middle of the ink fountain, the printing unit including a first plate cylinder, a first impression cylinder, a second plate cylinder and a second impression cylinder, the first plate cylinder and the second plate cylinder each having an ink scraping unit provided on an upper portion thereof, the upper part of the paper delivery device is also provided with a drying device. Compared with the prior art, the utility model has the advantages of simple structure, convenient operation, difficult damage to the printing paper, saving printing ink, saving manpower, improving printing quality and the like;
however, when the paper guide roller on the printing machine is used for conveying the printing paper, the tension of the paper cannot be adjusted in real time, so that the paper is easy to wrinkle in the printing process, normal printing is affected, and the drying effect of the paper is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and having the paper guide roll on the printing machine among the prior art when transmitting the printing paper, can not adjust the tension of paper in real time for the paper causes the fold easily at the printing in-process, influences normal printing, and the poor shortcoming of drying effect of paper, and the roll web double side printing machine who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a roll paper double-sided printing machine comprises a machine shell, wherein one side of the machine shell is rotatably provided with a paper supply roller and a paper collecting roller, the paper supply roller is provided with a printing paper sheet, the machine shell is fixedly provided with a servo motor, the output shaft of the servo motor is connected onto the paper supply roller in a transmission way, one side of the machine shell is rotatably provided with two first inking rollers and two second inking rollers, the two first inking rollers and the two second inking rollers are both contacted with the printing paper sheet, one side of the machine shell is rotatably provided with two fixed paper guide rollers, the two fixed paper guide rollers are both contacted with the printing paper sheet, one side of the machine shell is provided with two sliding grooves, the two sliding grooves are both provided with sliding blocks in a sliding way, one sides of the two sliding blocks are both fixedly provided with movable paper guide rollers, the two movable paper guide rollers are both contacted with the printing paper sheet, one side fixed mounting of casing has wind box and air heater, and fixed mounting has the one end of air-out pipe on the air outlet of air heater, and the other end fixed mounting who goes out the air pipe is on wind box, and the top fixed mounting of wind box has two blower housing, and two blower housing are linked together with the wind box, and the printing paper is located between two blower housing.
Preferably, the driving device comprises a mounting seat, a movable plate and two screw rods, threaded holes are formed in one side of each of the two sliding blocks, screw threads of the screw rods are installed in the corresponding threaded holes, first bevel gears are connected to the two screw rods in a transmission mode, the two sliding grooves are close to one another, one connecting hole is formed in the inner wall of one side, connecting rods are installed in the connecting holes in a rotating mode, second bevel gears are welded to the two ends of each connecting rod, and the second bevel gears are meshed with the corresponding first bevel gears.
Preferably, the bottom of one of the two lead screws extends to the outside of the casing and is welded with a gear, the bottom fixed mounting of the casing has a fixed seat, one side of the fixed seat has a fixed groove, the movable plate is slidably mounted in the fixed groove, one side of the movable plate is welded with a rack, the rack is meshed with the gear, one side of the movable plate has a connecting groove, the connecting groove is slidably mounted with a connecting seat, and the mounting seat is fixedly mounted on one side of the casing.
Preferably, the rotation hole has been seted up at the top of mount pad, rotates downthehole rotation and installs the control lever, and the bottom welding of control lever has the carousel, and the cooperation carousel is installed in the bottom rotation of casing, and the carousel has same drive strip with the meshing of cooperation carousel, and fixed mounting has the removal seat on the drive strip, and the turn trough has been seted up to the bottom of removing the seat, and the connecting seat rotates to be installed in the turn trough, and the top welding of control lever has the worm, and one side fixed mounting of paper supply cylinder has the worm wheel, worm and worm wheel meshing.
Preferably, all seted up on the top inner wall of two spouts and rotated the groove, the top of lead screw is rotated and is installed in the rotation inslot that corresponds, and the lead screw is at the rotation inslot rotation, position when can stabilizing the lead screw and rotate.
In the utility model, because the paper supply cylinder and the paper collecting cylinder are arranged, the servo motor drives the paper supply cylinder to rotate, the first inking roller prints one surface of the printing paper, the second inking roller prints the other surface of the printing paper, the paper supply cylinder drives the worm wheel to rotate, the worm wheel drives the worm to rotate, so that the two movable paper guide rollers move back and forth in opposite directions, the tension of the printing paper during conveying can be adjusted, before the printing paper enters the paper collecting cylinder, the hot air is blown into the air box by the hot air blower, the air box conveys the hot air into the air blowing covers, and the two air blowing covers uniformly blow the hot air on the two surfaces of the printing paper;
the utility model discloses simple structure, convenient operation, this printing machine can adjust the tension of printing paper in real time when transmitting printing paper for the fold can not appear at the printing in-process to printing paper, and the drying effect of printing paper is good.
Drawings
Fig. 1 is a schematic front view of a web perfecting press according to the present invention;
fig. 2 is a schematic structural diagram of an air box and an air blowing cover of the roll paper perfecting press according to the present invention;
fig. 3 is a schematic structural diagram of a part a of a web duplex printing machine according to the present invention;
fig. 4 is a schematic structural diagram of a part B of a web perfecting press according to the present invention.
In the figure: the printing machine comprises a machine shell 1, a paper supply roller 2, a paper delivery roller 3, a first ink roller 4, a second ink roller 5, a printing paper 6, a fixed paper guide roller 7, a movable paper guide roller 8, a wind box 9, a wind blowing cover 10, a hot air blower 11, a fixed seat 12, a movable plate 13, a sliding groove 14, a screw rod 15, a first bevel gear 16, a connecting rod 17, a second bevel gear 18, a gear 19, a connecting seat 20, a mounting seat 21, a rotating disk 22, a transmission bar 23 and a movable seat 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-4, a web perfecting press comprises a housing 1, a paper feeding cylinder 2 and a paper collecting cylinder 3 rotatably mounted on one side of the housing 1, a printing paper 6 on the paper feeding cylinder 2, a servo motor fixedly mounted on the housing 1, an output shaft of the servo motor being connected to the paper feeding cylinder 2 in a transmission manner, two first inking rollers 4 and two second inking rollers 5 rotatably mounted on one side of the housing 1, the two first inking rollers 4 and the two second inking rollers 5 both contacting the printing paper 6, two fixed paper guide rollers 7 rotatably mounted on one side of the housing 1, the two fixed paper guide rollers 7 both contacting the printing paper 6, two chutes 14 formed on one side of the housing 1, sliders slidably mounted in the two chutes 14, movable paper guide rollers 8 fixedly mounted on one side of the two sliders, the two movable paper guide rollers 8 both contacting the printing paper 6, the printing paper processing device is characterized in that a driving device is arranged on the machine shell 1, the driving device is matched with the two movable paper guide rollers 8, an air box 9 and an air heater 11 are fixedly mounted on one side of the machine shell 1, one end of an air outlet pipe is fixedly mounted on an air outlet of the air heater 11, the other end of the air outlet pipe is fixedly mounted on the air box 9, two air blowing covers 10 are fixedly mounted at the top of the air box 9, the two air blowing covers 10 are communicated with the air box 9, and the printing paper 6 is located between the two air blowing covers 10.
In this embodiment, drive arrangement includes mount pad 21, movable plate 13 and two lead screws 15, threaded hole has all been seted up to one side of two sliders, lead screw 15 screw thread is installed in the threaded hole that corresponds, equal transmission is connected with first bevel gear 16 on two lead screws 15, same connecting hole has been seted up on the one side inner wall that two spouts are close to each other, connecting rod 17 is installed to the connecting hole internal rotation, second bevel gear 18 has all been welded at the both ends of connecting rod 17, second bevel gear 18 meshes with the first bevel gear 16 that corresponds, connecting rod 17 drives another lead screw 15 round trip to rotate, make two lead screws 15 be opposite direction round trip to rotate, lead screw 15 drives the slider round trip movement in spout 14 that corresponds.
In this embodiment, the bottom end of one screw 15 of the two screws 15 extends to the outside of the casing 1 and is welded with the gear 19, the bottom fixed mounting of the casing 1 has the fixing seat 12, the fixed slot has been seted up to one side of the fixing seat 12, the movable plate 13 is slidably mounted in the fixed slot, the rack has been welded to one side of the movable plate 13, the rack meshes with the gear 19, the spread groove has been seted up to one side of the movable plate 13, the spread groove has the connecting seat 20 slidably mounted therein, the mounting seat 21 is fixedly mounted at one side of the casing 1, the connecting seat 20 drives the movable plate 13 to move back and forth, the movable.
In this embodiment, the bottom of one of them lead screw 15 of two lead screws 15 extends to the outside of casing 1 and welds and have gear 19, the bottom fixed mounting of casing 1 has fixing base 12, the fixed slot has been seted up to one side of fixing base 12, movable plate 13 slidable mounting is in the fixed slot, the welding of one side of movable plate 13 has the rack, the rack meshes with gear 19, the spread groove has been seted up to one side of movable plate 13, slidable mounting has connecting seat 20 in the spread groove, mount pad 21 fixed mounting is in one side of casing 1, gear 19 drives one of them lead screw 15 round trip to rotate, lead screw 15 drives first bevel gear 16 and rotates, first bevel gear 16 drives second bevel gear 18 and rotates, second bevel gear 18 drives.
In this embodiment, the rotating grooves have been all seted up on the top inner wall of two spouts 14, and the top of lead screw 15 is rotated and is installed in the rotating groove that corresponds, and lead screw 15 is at the rotating inslot rotation, can stabilize the position when lead screw 15 rotates.
Example 2
Referring to fig. 1-4, a further improvement is made on the basis of example 1:
a roll paper double-sided printing machine comprises a machine shell 1, wherein a paper supply roller 2 and a paper collection roller 3 are rotatably installed on one side of the machine shell 1, a piece of printing paper 6 is arranged on the paper supply roller 2, a servo motor is fixedly installed on the machine shell 1 through bolts, an output shaft of the servo motor is connected to the paper supply roller 2 in a transmission mode, two first inking rollers 4 and two second inking rollers 5 are rotatably installed on one side of the machine shell 1, the two first inking rollers 4 and the two second inking rollers 5 are both contacted with the piece of printing paper 6, two fixed paper guide rollers 7 are rotatably installed on one side of the machine shell 1, the two fixed paper guide rollers 7 are both contacted with the piece of printing paper 6, two sliding grooves 14 are formed in one side of the machine shell 1, sliding blocks are both slidably installed in the two sliding grooves 14, a movable paper guide roller 8 is fixedly installed on one side of each sliding block through a bolt, be equipped with drive arrangement on casing 1, drive arrangement and two removal lead paper roll 8 looks adaptations, there are wind box 9 and air heater 11 one side of casing 1 through bolt fixed mounting, there is the one end of a tuber pipe through bolt fixed mounting on the air outlet of air heater 11, the other end of a tuber pipe passes through bolt fixed mounting on wind box 9, there are two blower housing 10 at the top of wind box 9 through bolt fixed mounting, two blower housing 10 are linked together with wind box 9, the printing paper 6 is located between two blower housing 10.
In this embodiment, drive arrangement includes mount pad 21, movable plate 13 and two lead screws 15, threaded hole has all been seted up to one side of two sliders, lead screw 15 screw thread is installed in the threaded hole that corresponds, equal transmission is connected with first bevel gear 16 on two lead screws 15, same connecting hole has been seted up on the one side inner wall that two spouts are close to each other, connecting rod 17 is installed to the connecting hole internal rotation, second bevel gear 18 has all been welded at the both ends of connecting rod 17, second bevel gear 18 meshes with the first bevel gear 16 that corresponds, connecting rod 17 drives another lead screw 15 round trip to rotate, make two lead screws 15 be opposite direction round trip to rotate, lead screw 15 drives the slider round trip movement in spout 14 that corresponds.
In this embodiment, the bottom of one of the two lead screws 15 extends to the outside of casing 1 and welds gear 19, there is fixing base 12 bottom of casing 1 through bolt fixed mounting, the fixed slot has been seted up to one side of fixing base 12, movable plate 13 slidable mounting is in the fixed slot, the welding of one side of movable plate 13 has the rack, the rack meshes with gear 19, the spread groove has been seted up to one side of movable plate 13, slidable mounting has connecting seat 20 in the spread groove, mount pad 21 passes through bolt fixed mounting in one side of casing 1, connecting seat 20 drives movable plate 13 round trip movement, movable plate 13 makes a round trip to slide and drives gear 19 round trip to rotate in the fixed slot.
In this embodiment, the bottom of one of them lead screw 15 of two lead screws 15 extends to the outside of casing 1 and welds and have gear 19, there is fixing base 12 bottom of casing 1 through bolt fixed mounting, the fixed slot has been seted up to one side of fixing base 12, movable plate 13 slidable mounting is in the fixed slot, the welding of one side of movable plate 13 has the rack, the rack meshes with gear 19, the spread groove has been seted up to one side of movable plate 13, slidable mounting has connecting seat 20 in the spread groove, mount pad 21 passes through bolt fixed mounting in one side of casing 1, gear 19 drives one of them lead screw 15 round trip to rotate, lead screw 15 drives first bevel gear 16 and rotates, first bevel gear 16 drives second bevel gear 18 and rotates, second bevel gear 18 drives.
In this embodiment, the rotating grooves have been all seted up on the top inner wall of two spouts 14, and the top of lead screw 15 is rotated and is installed in the rotating groove that corresponds, and lead screw 15 is at the rotating inslot rotation, can stabilize the position when lead screw 15 rotates.
In this embodiment, because the paper feeding cylinder 2 and the paper collecting cylinder 3 are provided, the servo motor drives the paper feeding cylinder 2 to rotate, the paper feeding cylinder 2 conveys the printing paper 6 to pass through the first inking roller 4, the fixed paper guiding roller 7, the movable paper guiding roller 8, the second inking roller 5 and the blowing cover 10, and finally the paper collecting cylinder 3 winds the printed printing paper 6, wherein the first inking roller 4 prints one surface of the printing paper 6, the second inking roller 5 prints the other surface of the printing paper 6, while the printing paper 6 is conveyed, the paper feeding cylinder 2 drives the worm wheel to rotate, the worm wheel drives the worm to rotate, the worm drives the control rod to rotate in the rotating hole, the worm drives the rotating disc 22 to rotate, the rotating disc 22 drives the matching rotating disc to rotate through the transmission bar 23, so that the transmission bar 23 drives the movable seat 24 to move back and forth, the movable seat 24 rotates on the connecting seat 20 and drives the connecting seat 20 to move back and forth, the connecting seat 20 drives the moving plate 13 to move back and forth, the moving plate 13 slides back and forth in the fixed groove and drives the gears 19 to rotate back and forth, the gears 19 drive one of the screw rods 15 to rotate back and forth, the screw rod 15 drives the first bevel gear 16 to rotate, the first bevel gear 16 drives the second bevel gear 18 to rotate, the second bevel gear 18 drives the connecting rod 17 to rotate, the connecting rod 17 drives the other screw rod 15 to rotate back and forth, so that the two screw rods 15 rotate back and forth in opposite directions, the screw rods 15 drive the corresponding slide blocks to move back and forth in the slide grooves 14, the slide blocks drive the corresponding movable paper guide rollers 8 to move back and forth, so that the two movable paper guide rollers 8 move back and forth in opposite directions, the tension of the printing paper 6 during conveying can be adjusted, before the printing paper enters the paper collecting roller 3, the hot air is blown into the air box 9 by the hot air blower 11, the air box 9 conveys the hot air into the air blowing covers 10, and the two air blowing covers 10 uniformly blow the hot air on the two sides of the printing paper 6; the utility model discloses simple structure, convenient operation, this printing machine can adjust the tension of printing paper 6 in real time when transmission printing paper 6 for the fold can not appear at printing in-process in printing paper 6, and the drying effect of printing paper 6 is good.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The roll paper double-sided printing machine comprises a machine shell (1) and is characterized in that one side of the machine shell (1) is rotatably provided with a paper supply roller (2) and a paper collection roller (3), the paper supply roller (2) is provided with printing paper (6), the machine shell (1) is fixedly provided with a servo motor, the output shaft of the servo motor is connected onto the paper supply roller (2) in a transmission way, one side of the machine shell (1) is rotatably provided with two first inking rollers (4) and two second inking rollers (5), the two first inking rollers (4) and the two second inking rollers (5) are both contacted with the printing paper (6), one side of the machine shell (1) is rotatably provided with two fixed paper guide rollers (7), the two fixed paper guide rollers (7) are both contacted with the printing paper (6), one side of the machine shell (1) is provided with two sliding grooves (14), and a sliding block is arranged in the two sliding grooves (14), the equal fixed mounting in one side of two sliders has removal paper guide roll (8), and two removal paper guide rolls (8) all contact with undertaking printing paper (6), are equipped with drive arrangement on casing (1), and drive arrangement leads paper roll (8) looks adaptation with two removals, one side fixed mounting of casing (1) has wind box (9) and air heater (11), and fixed mounting has the one end of a tuber pipe on the air outlet of air heater (11), and the other end fixed mounting who goes out the tuber pipe has two blower housing (10) on wind box (9), and the top fixed mounting of wind box (9) has two blower housing (10), and two blower housing (10) are linked together with wind box (9), and undertaking printing paper (6) are located between two blower housing (10).
2. The web perfecting press of claim 1, wherein said driving device comprises a mounting base (21), a moving plate (13) and two screws (15), one side of each of the two sliders is provided with a threaded hole, the screws (15) are threadedly mounted in the corresponding threaded holes, the two screws (15) are respectively in transmission connection with a first bevel gear (16), one inner wall of one side, close to each other, of the two sliding grooves is provided with a same connecting hole, a connecting rod (17) is rotatably mounted in the connecting hole, two ends of the connecting rod (17) are welded with second bevel gears (18), and the second bevel gears (18) are engaged with the corresponding first bevel gears (16).
3. The roll paper perfecting press as claimed in claim 2, characterized in that, the bottom end of one (15) of the two screws (15) extends to the outside of the casing (1) and is welded with a gear (19), the bottom of the casing (1) is fixedly mounted with a fixed seat (12), one side of the fixed seat (12) is provided with a fixed groove, the moving plate (13) is slidably mounted in the fixed groove, one side of the moving plate (13) is welded with a rack, the rack is engaged with the gear (19), one side of the moving plate (13) is provided with a connecting groove, the connecting groove is slidably mounted with a connecting seat (20), and the mounting seat (21) is fixedly mounted on one side of the casing (1).
4. The web perfecting press as claimed in claim 2, characterized in that a rotation hole is opened at the top of said mounting seat (21), a control rod is rotatably installed in the rotation hole, a rotary plate (22) is welded at the bottom end of the control rod, a matching rotary plate is rotatably installed at the bottom of the housing (1), the rotary plate (22) and the matching rotary plate are meshed with the same transmission bar (23), a moving seat (24) is fixedly installed on the transmission bar (23), a rotation groove is opened at the bottom of the moving seat (24), a connecting seat (20) is rotatably installed in the rotation groove, a worm is welded at the top end of the control rod, a worm wheel is fixedly installed at one side of the paper supply roller (2), and the worm wheel is meshed with the worm wheel.
5. The web perfecting press as claimed in claim 1, characterized in that the top inner walls of both runners (14) are provided with a rotation slot, the top end of the screw (15) being rotatably mounted in the corresponding rotation slot.
CN201920883407.1U 2019-06-13 2019-06-13 Web perfecting press Active CN210454134U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920883407.1U CN210454134U (en) 2019-06-13 2019-06-13 Web perfecting press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920883407.1U CN210454134U (en) 2019-06-13 2019-06-13 Web perfecting press

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CN210454134U true CN210454134U (en) 2020-05-05

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Application Number Title Priority Date Filing Date
CN201920883407.1U Active CN210454134U (en) 2019-06-13 2019-06-13 Web perfecting press

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111674150A (en) * 2020-07-19 2020-09-18 苏州郎旭志远科技有限公司 Environment-friendly packaging bag printing equipment and printing process thereof
CN112549745A (en) * 2020-12-26 2021-03-26 黄丕财 Printing equipment convenient for adjusting printing pressure and adjusting mode

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111674150A (en) * 2020-07-19 2020-09-18 苏州郎旭志远科技有限公司 Environment-friendly packaging bag printing equipment and printing process thereof
CN111674150B (en) * 2020-07-19 2021-03-09 湖南鹤祥包装有限公司 Environment-friendly packaging bag printing equipment and printing process thereof
CN112549745A (en) * 2020-12-26 2021-03-26 黄丕财 Printing equipment convenient for adjusting printing pressure and adjusting mode

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GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 272699 north of middle section of Yunlong Road, Chenglong village, Liangshan street, Liangshan County, Jining City, Shandong Province

Patentee after: Shandong Huaao Printing Co.,Ltd.

Address before: 272600 north of middle section of Yunlong Road, Chenglong village, Liangshan street, Liangshan County, Jining City, Shandong Province

Patentee before: Shandong Huaao Printing Co.,Ltd.

CP03 Change of name, title or address
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Web double-sided printing machine

Effective date of registration: 20221221

Granted publication date: 20200505

Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd.

Pledgor: Shandong Huaao Printing Co.,Ltd.

Registration number: Y2022980027633

PE01 Entry into force of the registration of the contract for pledge of patent right