CN217435344U

CN217435344U - Paper feeding device for printing machine

Info

Publication number: CN217435344U
Application number: CN202221121786.9U
Authority: CN
Inventors: 蒋归元; 王佩; 王伟
Original assignee: Shenzhen Jiashun Printing Packaging Co ltd
Current assignee: Shenzhen Jiashun Printing Packaging Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-09-16
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a paper feed device for printing machine, which comprises a mounting rack, the surface of mounting bracket is rotated and is connected with first tensioning roller and second tensioning roller, the back of mounting bracket is run through to rotate and is connected with unreels the roller, the fixing base is installed in the front of mounting bracket, the motor is installed to the top surface of fixing base. This a paper feed device for printing machine, it takes slider and control box to descend to pull the base through electric putter, it is rotatory in the inside of silk hole to grasp positive and negative screw rod, make two under the effect of positive and negative screw rod remove the seat and move to drawing close to the centre simultaneously, it draws close to take spacing roller to remove to the centre and promotes the middle part with the scroll along unreeling the roller, spacing roller supports the side of scroll, the realization is to the installation placed in the middle of the scroll, and block spacingly to its side, it is different because of the scroll specification to avoid the tradition, lead to paper intermediate position error, and the scroll unreels when rotating, because of the great easy dislocation that slides of scroll the deviation appears, influence the problem of printing quality.

Description

Paper feeding device for printing machine

Technical Field

The utility model relates to a smelting furnace technical field specifically is a paper feed device for printing machine.

Background

The modern printing machine for printing characters and images is generally composed of mechanisms of plate loading, inking, stamping, paper feeding and the like, firstly, characters and images to be printed are made into a printing plate, the printing plate is loaded on the printing machine, then ink is coated on the positions, where the characters and images exist, of the printing plate by manpower or the printing machine, and then the characters and images are directly or indirectly transferred to paper or other printing stocks, so that the same printed matters as the printing plate are copied, but the traditional printing machine on the market still has the following problems:

1. when a traditional printing machine is used for installing paper rolls, limiting devices on two sides of the paper rolls are required to be adjusted due to different sizes of the paper rolls, but the adjusting distances of the limiting mechanisms on two sides are inconsistent, so that errors occur in the middle positions of paper, and deviation occurs due to the fact that the paper rolls are large and are prone to sliding and dislocation when the paper rolls are unreeled and rotate, so that printing quality is affected;

2. when the paper roll of the printing machine is used, due to the fact that scraps or dust exist on the surface of the paper roll, after ink jet printing is finished, the scraps or dust fall off, so that printed characters and images are easily subjected to micro blank, and printing quality is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paper feed device for printing machine to solve traditional printing machine that proposes in the above-mentioned background art when the scroll installation, because of the scroll specification is different, need adjust scroll both sides stop device, but the distance of the stop gear adjustment of both sides is inconsistent, leads to the paper intermediate position error of touching by mistake, and the scroll unreels when rotating, because of the great easy slip dislocation of scroll deviation appears, influences the problem of printing quality.

In order to achieve the above object, the utility model provides a following technical scheme: a paper feeding device for a printing machine comprises a mounting frame, wherein a first tensioning roller and a second tensioning roller are rotatably connected to the outer surface of the mounting frame, an unwinding roller is rotatably connected to the back surface of the mounting frame in a penetrating manner, a fixed seat is installed on the front surface of the mounting frame, a motor is installed on the top surface of the fixed seat, the output end of the motor is fixedly connected with the front surface of the unwinding roller, a paper roll is sleeved on the outer portion of the unwinding roller and is wound on the outer surfaces of the first tensioning roller and the second tensioning roller, a portal frame is installed on the top surface of the mounting frame, a sliding block is slidably connected inside the portal frame, a base is fixedly connected to the front surface of the sliding block, an electric push rod is installed on the front surface of the mounting frame, the telescopic end of the electric push rod is fixedly connected with the bottom surface of the base, a control box is installed on the back surface of the sliding block, and a through groove is formed in the bottom surface of the control box, the inside sliding connection of control box has two to remove the seat, the bottom surface of removing the seat rotates and is connected with two spacing rollers, and spacing roller sliding connection is in the inside that leads to the groove, the screw hole has been seted up on the surface of removing the seat, the back of control box runs through to rotate and is connected with positive and negative screw rod, and positive and negative screw rod threaded connection is in the inside in screw hole, the internally mounted of mounting bracket has clean mechanism.

Preferably, the back of the positive and negative screw rod is fixedly connected with a handle, and the outer surface of the handle is rotatably connected with a grip.

Preferably, a limiting hole is formed in the surface of the moving seat, a sliding rod is fixedly connected to the inside of the control box, and the sliding rod is connected to the inside of the limiting hole in a sliding mode.

Preferably, clean mechanism includes the drive belt, the back of mounting bracket runs through to rotate and is connected with the pivot, unreel the outer surface mounting that the roller is close to motor one end and have the action wheel, the outer surface mounting of pivot has from the driving wheel, and the action wheel with pass through transmission belt drive from the driving wheel and be connected, the surface rotation of driving wheel one end is kept away from in the pivot is connected with the dust removal shell, the inside rotation that the dust removal shell is close to scroll one end is connected with the live-rollers, the live-rollers is connected through rotating brush section of thick bamboo transmission with the pivot, the interior roof fixedly connected with scraper of dust removal shell, the top surface of dust removal shell runs through to inlay has the bar suction nozzle, and the surface of bar suction nozzle runs through the intercommunication and has the dust extraction pipe, the handle is installed to the top surface of dust removal shell.

Preferably, the top surface of the dust removal shell is provided with at least three counter weight blocks.

Preferably, the front surface of the mounting rack is fixedly connected with a protective shell, and the transmission belt is located inside the protective shell.

Compared with the prior art, the beneficial effects of the utility model are that: the paper feeding device for the printing machine comprises a paper feeding device,

1. the base is pulled by the electric push rod to drive the sliding block and the control box to descend, the positive and negative screws are grasped to rotate in the screw holes, the two moving seats are synchronously moved to the middle to be drawn close under the action of the positive and negative screws, the moving seats are drawn close to the middle to drive the limiting rollers to move to push the paper roll to the middle along the unreeling roller, the limiting rollers abut against the side faces of the paper roll, the paper roll is centrally installed, the side faces of the paper roll are blocked and limited, and the problems that the paper roll is large in size and easy to slide and misplace to cause errors in the middle position of the paper in the prior art and the printing quality is influenced due to the fact that the paper roll is large and easy to slide and misplace when the paper roll is unreeled and rotated are solved;

2. will rotate brush section of thick bamboo one end through taking the dust removal shell and lean on the surface at the scroll, it rotates to take the action wheel to unreel the roller, it is rotatory from driving wheel and pivot to take under drive belt transmission's effect, the rotatory area of pivot rotates brush section of thick bamboo and rotates and carry out rotatory brush to the scroll surface, the scraper will rotate brush section of thick bamboo surface piece and strike off, will take out dirt pipe and external dust pump intercommunication production suction, take out the piece through the bar suction nozzle and clear up, avoid traditional scroll surface to have piece or dust, after inkjet printing finishes, piece or dust drop easily make printing characters and image appear the trace blank, influence the problem of printing quality.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the dust-removing shell of the present invention;

FIG. 3 is a schematic view of the internal structure of the control box of the present invention;

fig. 4 is a side view of the mounting bracket of the present invention;

fig. 5 is a schematic view of the bottom three-dimensional structure of the control box of the present invention.

In the figure: 1. a mounting frame; 2. a portal frame; 3. a slider; 4. a base; 5. an electric push rod; 6. a motor; 7. a fixed seat; 8. a cleaning mechanism; 9. paper roll; 10. a first tension roller; 11. a second tension roller; 12. a control box; 13. a forward screw and a reverse screw; 14. a handle; 15. a slide bar; 16. a movable seat; 17. a limiting hole; 18. a limiting roller; 19. a silk hole; 20. unwinding rollers; 21. a through groove; 81. a transmission belt; 82. a protective shell; 83. a rotating shaft; 84. a dust removal shell; 85. a strip-shaped suction nozzle; 86. a dust extraction pipe; 87. a handle; 88. rotating the brush drum; 89. a balancing weight; 810. a scraper; 811. a rotating roller; 812. a driving wheel; 813. a driven wheel.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: a paper feeding device for a printing machine comprises a mounting frame 1, wherein the outer surface of the mounting frame 1 is rotatably connected with a first tensioning roller 10 and a second tensioning roller 11, the back surface of the mounting frame 1 is rotatably connected with an unwinding roller 20 in a penetrating manner, a fixed seat 7 is installed on the front surface of the mounting frame 1, a motor 6 is installed on the top surface of the fixed seat 7, the output end of the motor 6 is fixedly connected with the front surface of the unwinding roller 20, a paper roll 9 is sleeved outside the unwinding roller 20, the paper roll 9 is wound on the outer surfaces of the first tensioning roller 10 and the second tensioning roller 11, a portal frame 2 is installed on the top surface of the mounting frame 1, a sliding block 3 is slidably connected inside the portal frame 2, a base 4 is fixedly connected on the front surface of the sliding block 3, an electric push rod 5 is installed on the front surface of the mounting frame 1, the telescopic end of the electric push rod 5 is fixedly connected with the bottom surface of the base 4, a control box 12 is installed on the back surface of the sliding block 3, and a through groove 21 is formed in the bottom surface of the control box 12, the inside sliding connection of control box 12 has two to move the seat 16, the bottom surface of moving the seat 16 is rotated and is connected with two spacing rollers 18, and spacing roller 18 sliding connection is in the inside of leading to the groove 21, the surface of moving the seat 16 is seted up the silk hole 19, the back of control box 12 runs through to rotate and is connected with positive and negative screw 13, and positive and negative screw 13 threaded connection is in the inside of silk hole 19, the internally mounted of mounting bracket 1 has cleaning mechanism 8, start to draw base 4 through electric putter 5 and drive slider 3 and control box 12 descend, control box 12 descends and drives spacing roller 18 to descend, unreeling roller 20 is located the inside of two spacing rollers 18, grasp positive and negative screw 13 and rotate in the inside of silk hole 19, make two move seats 16 synchronous motion draw close to the centre under the effect of positive and negative screw 13, move seat 16 draw close to the centre and drive spacing roller 18 to move and scroll 9 is pushed to the middle part along unreeling roller 20, the limiting roller 18 props against the side face of the paper roll 9, and the motor 6 is electrified and started to drive the unreeling roller 20 to rotate towards the left side to unreel the paper roll 9.

Referring to fig. 2 and 3, the handle 14 is fixedly connected to the back of the positive and negative screw 13, and the grip is rotatably connected to the outer surface of the handle 14, so that the positive and negative screw 13 can be operated without using an external tool, which is convenient for a worker to use.

Referring to fig. 1, 2 and 3, a limiting hole 17 is formed on the surface of the moving seat 16, a sliding rod 15 is fixedly connected inside the control box 12, and the sliding rod 15 is slidably connected inside the limiting hole 17, so that the moving seat 16 is limited, and the stability of the moving seat 16 is improved.

Referring to fig. 1, 2, 3 and 4, the cleaning mechanism 8 includes a transmission belt 81, a rotation shaft 83 is rotatably connected to the back surface of the mounting frame 1, a driving wheel 812 is installed on the outer surface of the unwinding roller 20 near one end of the motor 6, a driven wheel 813 is installed on the outer surface of the rotation shaft 83, the driving wheel 812 is in transmission connection with the driven wheel 813 through the transmission belt 81, a dust removing shell 84 is rotatably connected to the outer surface of the rotation shaft 83 far from one end of the driven wheel 813, a rotation roller 811 is rotatably connected to the inner portion of the dust removing shell 84 near one end of the paper roll 9, the rotation roller 811 is in transmission connection with the rotation shaft 83 through a rotation brush cylinder 88, a scraper 810 is fixedly connected to the inner top wall of the dust removing shell 84, a strip-shaped suction nozzle 85 is inserted into the top surface of the dust removing shell 84, a dust suction pipe 86 is communicated with the outer surface of the strip-shaped suction nozzle 85, a handle 87 is installed on the top surface of the dust removing shell 84, one end of the rotation brush cylinder 88 is leaned against the surface of the paper roll 9 by holding the dust removing shell 84, unreel roller 20 and rotate and take action wheel 812 to rotate, it is rotatory from driving wheel 813 and pivot 83 to take under the driven effect of drive belt 81, the rotatory area of pivot 83 rotates brush section of thick bamboo 88 and rotates and carry out the rotatory brush to scroll 9 surface, scraper 810 will rotate brush section of thick bamboo 88 surface piece and strike off, will take out dirt pipe 86 and external dust pump intercommunication and produce suction, take out the piece through bar suction nozzle 85 and clear up, the balancing weight 89 is installed to the top surface of dust removal shell 84, the quantity of balancing weight 89 is three at least, increase the gravity of dust removal shell 84, the laminating effect between dust removal shell 84 area when rotating brush section of thick bamboo 88 pushes down and scroll 9 has been improved, the front fixedly connected with protecting crust 82 of mounting bracket 1, the drive belt 81 is located the inside of protecting crust 82, realize the protection to drive belt 81, avoid staff and high-speed motion's drive belt 81 mistake to touch and cause the injury.

The working principle is as follows: when the paper feeding device for the printing machine is used, firstly, the paper roll 9 is arranged outside the unreeling roller 20, the electric push rod 5 is electrified to start to pull the base 4 to drive the sliding block 3 and the control box 12 to descend, the control box 12 descends to drive the limiting rollers 18 to descend, the unreeling roller 20 is positioned inside the two limiting rollers 18, the forward and reverse screws 13 are grasped to rotate inside the thread holes 19, the two moving seats 16 synchronously move towards the middle under the action of the forward and reverse screws 13, the moving seats 16 move towards the middle to drive the limiting rollers 18 to move to push the paper roll 9 to the middle along the unreeling roller 20, the limiting rollers 18 abut against the side surface of the paper roll 9, the motor 6 is electrified to start to drive the unreeling roller 20 to rotate towards the left side to unreel the paper roll 9, one end of the rotating brush cylinder 88 is held against the surface of the paper roll 9 by the dust removing shell 84, the unreeling roller 20 rotates to drive the driving wheel 812 to rotate, the driven wheel 813 and the rotating shaft 83 rotate under the driving action of the driving belt 81, the rotating shaft 83 rotationally drives the rotating brush cylinder 88 to rotate to rotationally brush the surface of the paper roll 9, the scraper 810 scrapes off the surface debris of the rotating brush cylinder 88, the dust pumping pipe 86 is communicated with an external dust pumping pump to generate suction, and the debris is pumped out through the strip-shaped suction nozzle 85 to be cleaned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A paper advance device for a printing machine, comprising a mounting frame (1), characterized in that: the surface of mounting bracket (1) rotates and is connected with first tensioning roller (10) and second tensioning roller (11), the back of mounting bracket (1) runs through to rotate and is connected with unreeling roller (20), fixing base (7) are installed in the front of mounting bracket (1), motor (6) are installed to the top surface of fixing base (7), and the output of motor (6) and the front fixed connection who unreels roller (20), the outside cover of unreeling roller (20) is equipped with scroll (9), and scroll (9) twine the surface at first tensioning roller (10) and second tensioning roller (11), door-type frame (2) is installed to the top surface of mounting bracket (1), the inside sliding connection of door-type frame (2) has slider (3), the front fixedly connected with base (4) of slider (3), electric putter (5) are installed in the front of mounting bracket (1), and the flexible end of electric putter (5) and the bottom surface fixed connection of base (4), the back mounted of slider (3) has control box (12), and logical groove (21) have been seted up to the bottom surface of control box (12), the inside sliding connection of control box (12) has two to remove seat (16), the bottom surface of removing seat (16) is rotated and is connected with two spacing rollers (18), and just spacing roller (18) sliding connection is in the inside that leads to groove (21), screw hole (19) have been seted up on the surface of removing seat (16), the back of control box (12) runs through to rotate and is connected with positive and negative screw rod (13), and positive and negative screw rod (13) threaded connection is in the inside of screw hole (19), the internally mounted of mounting bracket (1) has clean mechanism (8).

2. A sheet feeding device for a printing press according to claim 1, wherein: the back of the positive and negative screw rod (13) is fixedly connected with a handle (14), and the outer surface of the handle (14) is rotatably connected with a grip.

3. A sheet feeding device for a printing press according to claim 2, wherein: the surface of the moving seat (16) is provided with a limiting hole (17), the inside of the control box (12) is fixedly connected with a sliding rod (15), and the sliding rod (15) is connected to the inside of the limiting hole (17) in a sliding mode.

4. A paper feeding device for a printing press according to claim 3, wherein: cleaning mechanism (8) includes drive belt (81), the back of mounting bracket (1) is run through to rotate and is connected with pivot (83), unreel the surface mounting that roller (20) is close to motor (6) one end and have action wheel (812), the surface mounting of pivot (83) has from driving wheel (813), and action wheel (812) with follow driving wheel (813) through drive belt (81) transmission connection, the surface rotation of keeping away from driving wheel (813) one end in pivot (83) is connected with dust removal shell (84), the inside rotation that dust removal shell (84) are close to scroll (9) one end is connected with live-rollers (811), live-rollers (811) are connected through rotating brush section of thick bamboo (88) transmission with pivot (83), the interior roof fixedly connected with scraper (810) of dust removal shell (84), the top surface of dust removal shell (84) is run through to inlay has bar suction nozzle (85), and the outer surface of the strip-shaped suction nozzle (85) is communicated with a dust extraction pipe (86) in a penetrating way, and the top surface of the dust removal shell (84) is provided with a handle (87).

5. A paper feeding device for a printing press according to claim 4, wherein: the top surface of dust removal shell (84) is installed balancing weight (89), the quantity of balancing weight (89) is three at least.

6. A sheet feeding device for a printing press according to claim 5, wherein: the front face of the mounting rack (1) is fixedly connected with a protective shell (82), and the transmission belt (81) is located inside the protective shell (82).