CN-117566507-B - Intermittent paper feeder and tension control system thereof

Abstract

The invention relates to the technical field of printing equipment, in particular to an intermittent paper feeder and a tension control system thereof, which comprises a mounting frame, wherein the end part of the mounting frame can be connected with a paper feeding part in a rotating way, two tension parts and a pull head are arranged on the inner wall of the mounting frame, the pull head is positioned between the two tension parts, the side part of each tension part is hinged with an air cylinder output end, the air cylinder output end is provided with a displacement sensor, the air cylinder is connected with the inner wall of the mounting frame, the displacement sensor in the tension part monitors the displacement condition of the tension part, the conveying speed of printing paper of the paper feeding part is regulated, and the tension on the printing paper in a device is kept constant all the time.

Inventors

• LUO JIANGUO
• XIA LEI

Assignees

• 广州市奈本印刷机械有限公司

Dates

Publication Date

20260505

Application Date

20231204

Claims (4)

1. 1. The intermittent paper feeder is characterized by comprising a mounting frame (1), wherein the end part of the mounting frame (1) is rotationally connected with a paper feeding part (2), two tension parts (3) and a pull head (4) are arranged on the inner wall of the mounting frame (1), the pull head (4) is positioned between the two tension parts (3), the side part of each tension part (3) is hinged with an air cylinder output end, the air cylinder output end is provided with a displacement sensor, and the air cylinder is connected with the inner wall of the mounting frame (1); The tension piece (3) comprises a tension roller (5), one side of the pull head (4) is provided with the tension roller (5), two ends of the tension roller (5) are respectively connected with a swing arm (6) in a rotating mode, the top end of each swing arm (6) is connected with the inner wall of the mounting frame (1) in a rotating mode, the side wall of each swing arm (6) is hinged to the output end of the air cylinder, the inner wall of the mounting frame (1) is connected with a paper passing roller (7) in a rotating mode, and the paper passing roller (7) is arranged below the tension roller (5); The paper feeding part (2) comprises lifting arms (9), wherein two lifting arms (9) are connected to a second rotating shaft on the inner wall of the mounting frame (1), one end of the second rotating shaft penetrating out of the side wall of the mounting frame (1) is connected with a lifting part (10), the top end of each lifting arm (9) is provided with an arc-shaped groove, the end of the mounting frame (1) is provided with two second arc-shaped grooves, and the arc-shaped grooves and the second arc-shaped grooves are matched and rotationally connected with the side wall of the end of the air inflation shaft (8); a gear (12) at the end part of the air expansion shaft (8) is meshed with a second gear, the second gear is connected with the output end of a motor, and the motor is arranged on the side wall of the mounting frame (1); A deviation corrector (13) is arranged between the air expansion shaft (8) and the adjacent air cylinder, the deviation corrector (13) is connected with the inner wall of the mounting frame (1), two second paper passing rollers (14) are arranged below the deviation corrector (13), and each second paper passing roller (14) is rotatably connected between the two inner walls of the mounting frame (1); A third cylinder is arranged on the other side of the pull head (4), the third cylinder is connected with the inner wall of the mounting frame (1), a floating roller (15) is arranged between the third cylinder and the mounting frame (1), two ends of the floating roller (15) are respectively connected with a sliding seat (16) in a rotating mode, each sliding seat (16) is connected with one inner wall of the mounting frame (1) in a sliding mode, an electric eye is arranged on each sliding seat (16), and the bottom end of each sliding seat (16) is connected with the inner wall of the mounting frame (1) through a reset spring; The inflatable shaft (8) comprises a clamping groove (19), a plurality of clamping grooves (19) are formed in the side wall of the inflatable shaft (8), a through groove is formed in the bottom end of the clamping groove (19), the inner wall of the inflatable shaft (8) is connected with one end of a guide groove (20), the guide groove (20) is concentrically arranged with the through groove, an inflatable strip (21) is slidably connected in the through groove, a positioning piece (22) is arranged in the inflatable strip (21), a guide arc at the bottom end of the inflatable strip (21) is slidably sealed with the guide groove (20), the top surface of the guide arc is connected with the inner wall of the inflatable shaft (8) through a plurality of pressure springs, and a one-way valve is arranged in an air inlet at the end part of the inflatable shaft (8); An electrostatic rod (26) is arranged between the two inner walls of the mounting frame (1), one end of the electrostatic rod (26) penetrating out of the side wall of the mounting frame (1) is connected with a switch, one side of the switch is connected with a high-voltage power supply, the other side of the switch is connected with a controller, an electrostatic needle (27) is arranged on the side wall of the electrostatic rod (26), and the output end of the electrostatic needle (27) is perpendicular to a tangent line between the side wall of the pull head (4) and the side wall of the paper passing roller (7); The positioning piece (22) comprises positioning holes (28), pressing grooves (29), pressing blocks (30) and positioning rods (31), wherein a plurality of positioning holes (28) are formed in the bottom surface of each guide arc, a first through hole is formed in the top wall of each positioning hole (28), the positioning rods (31) are connected in a sliding mode in the first through holes, the top ends of the positioning rods (31) penetrate out of the top surfaces of the air expansion strips (21), sealing discs (32) at the bottom ends of the positioning rods (31) are in sliding sealing with the positioning holes (28), the top surfaces of the sealing discs (32) are connected with the top walls of the positioning holes (28) through second reset springs, a plurality of pressing grooves (29) are longitudinally formed in each side wall of the air expansion strips (21), the bottom walls of the pressing grooves (29) are connected with the second through holes, the second through holes are connected with the positioning holes (28), the top surfaces of mounting rings at the end parts of the pressing blocks (30) are in contact fit with the side walls of the clamping grooves (19), the side walls of the mounting rings are in contact fit with the bottom walls of the clamping grooves (19), and the bottom surfaces of the mounting rings are connected with the bottom walls of the pressing grooves (29) through third reset springs; The end part of the air expansion shaft (8) is provided with a pressure relief valve.
2. 2. An intermittent paper feeder according to claim 1, wherein the lifting member (10) comprises a connecting rod (11), one end of the second rotating shaft penetrating out of the side wall of the mounting frame (1) is connected with the end of the connecting rod (11), the side wall of the connecting rod (11) is hinged with the output end of a second air cylinder (33), and the second air cylinder is rotatably connected with the side wall of the mounting frame (1).
3. 3. An intermittent paper feeder according to claim 1, characterized in that a reverse pull roller (17) is arranged between the floating roller (15) and the mounting frame (1), two ends of the reverse pull roller (17) are respectively and rotatably connected with a sliding block (18), each sliding block (18) is slidably connected with an inner wall of the mounting frame (1), the sliding block (18) is connected with a synchronous belt of a synchronous belt wheel mechanism, and the synchronous belt wheel mechanism is arranged on the inner wall of the mounting frame (1).
4. 4. An intermittent paper feeder tension control system suitable for the intermittent paper feeder according to any one of claims 1-3, and characterized by comprising a pressure roller (23), wherein a pressure roller (23) is arranged between a third cylinder and a floating roller (15), a pressure sensor (24) is arranged on the pressure roller (23), two ends of the pressure roller (23) are respectively and rotatably connected with a mounting block, the bottom end of each mounting block is connected with the inner wall of a mounting frame (1) through a spring, and one side of an electric converter (25) on the inner wall of the mounting frame (1) is connected with the cylinder.

Description

Intermittent paper feeder and tension control system thereof Technical Field The invention relates to the technical field of printing equipment, in particular to an intermittent paper feeder and a tension control system thereof. Background The intermittent paper feeder is an important auxiliary device of the printer, the printer needs to print different parts of the paper, so the intermittent paper feeder needs to intermittently transport the printing paper, and has the advantages that, the device has the advantages of simple structure and high working efficiency, is suitable for various scale production lines, can uniformly distribute the tensile force received by the printing paper in the conveying process through the plurality of roller shafts arranged in the device, and ensures the integrity of the printing paper. However, the existing device still has the defects in the using process, for example, the printing machine paper feeding system with the patent number of CN201310267320.9 comprises a frame, a spray head, a synchronous pulley transmission device capable of moving up and down and at least two groups of synchronous pulley transmission mechanisms capable of moving left and right are arranged on the frame, the synchronous pulley transmission device and the at least two groups of synchronous pulley transmission mechanisms are arranged up and down oppositely, and the synchronous pulley transmission device is arranged below. Disclosure of Invention The invention provides an intermittent paper feeder and a tension control system thereof, which are used for solving the problem of the background technology. The intermittent paper feeder comprises a mounting frame, paper feeding parts, tension parts, a pull head, a displacement sensor and a controller, wherein the paper feeding parts can be connected to the end parts of the mounting frame in a rotating mode, two tension parts and the pull head are arranged on the inner wall of the mounting frame, the pull head is arranged between the two tension parts, an air cylinder output end is hinged to the side part of each tension part, the air cylinder output end is provided with the displacement sensor, the air cylinder is connected with the inner wall of the mounting frame, and the paper feeding parts, the pull head and the displacement sensor are connected with the controller. Preferably, the tension member comprises a tension roller, swing arms and paper passing rollers, one side of the pull head is provided with the tension roller, two ends of the tension roller are respectively connected with the swing arms in a rotating mode, the top ends of the swing arms are respectively connected with a rotating shaft of the inner wall of the mounting frame in a rotating mode, the side walls of the swing arms are hinged to the output ends of the air cylinders, the inner wall of the mounting frame is connected with the paper passing rollers in a rotating mode, and the paper passing rollers are arranged below the tension roller. Preferably, the paper feeding part comprises an inflatable shaft, lifting arms and lifting parts, wherein two lifting arms are connected to a second rotating shaft on the inner wall of the mounting frame, one end of the second rotating shaft penetrating out of the side wall of the mounting frame is connected with the lifting parts, the top end of each lifting arm is provided with an arc-shaped groove, the end of the mounting frame is provided with a second arc-shaped groove, and the arc-shaped groove and the second arc-shaped groove are matched and connected with the side wall of the inflatable shaft in a rotating mode. Preferably, the lifting piece comprises a connecting rod, one end of the second rotating shaft penetrating out of the side wall of the mounting frame is connected with the end part of the connecting rod, the side wall of the connecting rod is hinged with the output end of the second air cylinder, and the second air cylinder is hinged with the side wall of the mounting frame. Preferably, the gear at the end part of the inflatable shaft is meshed with a second gear, the second gear is connected with the output end of the motor, and the motor is arranged on the side wall of the mounting frame. Preferably, a deviation corrector is arranged between the air expansion shaft and the adjacent air cylinder, the deviation corrector is connected with the inner wall of the mounting frame, two second paper passing rollers are arranged below the deviation corrector, and each second paper passing roller is rotatably connected between the two inner walls of the mounting frame. Preferably, the pull head opposite side is equipped with the third cylinder, and the third cylinder is connected with the mounting bracket inner wall, is equipped with the dancer roll between third cylinder and the mounting bracket, and dancer roll both ends are rotated with a slide respectively and are connected, and every slide all is equipped with electric eye with an inner