Guide roller structure of offset press

Abstract

The utility model belongs to the technical field of offset press assemblies, and discloses an offset press guide roller structure which comprises a body, sealing plates are arranged at the two ends of the body, a rotating rod is fixedly connected to the axis ends of the sealing plates, stirring blades are arranged on the outer surface of the rotating rod, a motor is arranged at one end of the rotating rod, and a first mounting box is fixedly connected to the outer side of the motor. A laser receiver is arranged on the side, close to the main body, of the first mounting box, a laser transmitter is movably connected to the second mounting box through a rotating button, a pressure bearing roller is arranged at the other end of the first connecting rod, and after an offset printing material enters the main body through the feeding port, the motor is controlled to run through the control panel; the motor drives the rotating rod installed at the output end of the motor to rotate, the rotating rod rotates to drive the stirring blades arranged on the outer side of the rotating rod to rotate, the stirring blades make full contact with an offset printing material, solid particles in the offset printing material and a water-ink separation layer are mixed, the ink outlet uniformity is guaranteed, and the printing color stability is enhanced.

Description

Technical Field

[0001] The present application relates to the technical field of offset printing press components, and more specifically, to a guide roller structure of an offset printing press. Background Art

[0002] An offset printing press is a machine used for lithographic printing, primarily for producing high-end commercial and packaging products. By first printing the image onto a blanket cylinder and then transferring it to paper, the offset press achieves high-quality printing. As a key component of an offset printing press, the guide roller plays a crucial role in its operation.

[0003] Currently, offset printing machines on the market are prone to uneven ink supply during the offset printing process through guide rollers, and the parallelism between the guide rollers cannot be directly observed. For example, a Chinese patent (authorization announcement number CN219295020U) discloses an offset printing machine that avoids material contamination, relating to the technical field of offset printing machines. The offset printing machine that avoids material contamination includes a conveyor frame, an offset printing machine body, and a conveyor belt. A cleaning box is installed under the conveyor frame. The beneficial effects of the utility model are as follows: materials are conveyed on the conveyor belt, and the offset printing machine body performs offset printing. After the lint, debris and dust particles attached to the conveyor belt come into contact with the electrostatic adsorption roller, the lint, debris and dust particles are adsorbed on the electrostatic adsorption roller and are scraped off by the scraper during rotation. At the same time, the transmission component drives the moving block to move back and forth, and then repeatedly squeezes the airbag. The generated gas is sprayed onto the conveyor belt through the nozzle to blow off the debris, and the conduction roller drives the impeller to rotate through the driving wheel to transmit the debris and gas downward, and the debris and gas are discharged after being filtered by the filter, which effectively ensures the cleaning of the lint, debris and dust particles on the conveyor belt.

[0004] Regarding the above-mentioned related technologies, the inventors believe that the existing guide rollers will cause uneven ink supply during the offset printing process and cannot ensure the balance of ink and water. At the same time, the parallelism between the guide rollers is difficult to observe, which affects the stability of the printed color, wastes offset printing paper, and reduces the efficiency of offset printing processing. Utility Model Content

[0005] In order to solve the above problems, the present application provides a guide roller structure of an offset printing press.

[0006] The present application provides a guide roller structure for an offset printing press adopting the following technical solution:

[0007] A guide roller structure of an offset printing press includes a main body, sealing plates are provided at both ends of the main body, the axial ends of the sealing plates are fixedly connected to a rotating rod, the outer surface of the rotating rod is provided with a stirring blade, one end of the rotating rod is provided with a motor, the outer side of the motor is fixedly connected to a first installation box, the other end of the rotating rod is provided with a second installation box, a laser receiver is provided on the side of the first installation box close to the main body, a laser transmitter is movably connected to the second installation box via a turning knob, the bottom ends of the first installation box and the second installation box are both fixedly connected to a first connecting rod, and the other end of the first connecting rod is provided with a pressure roller.

[0008] Furthermore, a feed port is provided at the top of the main body, and the first installation box and the second installation box are fixedly connected to a limit rod on one side close to the main body. The limit rod is provided with two groups of gears at their axial ends that are rotatably connected.

[0009] Through the above technical solution, the feed port opened at the top of the main body can be used to supply ink to the guide roller, and the first installation box and the second installation box are connected to the sealing plate using a limiting rod to reduce the shaking caused by the operation of the equipment, while ensuring that the guide roller can evenly discharge ink.

[0010] Furthermore, bayonet holes are provided on the inner walls at both ends of the main body and the outer wall of the rotating rod, and the bayonet holes are meshed with the gears and have matching sizes.

[0011] Through the above technical solution, the stability of the equipment operation is ensured by utilizing the meshing connection between the bayonet provided on the inner wall and the outer wall of the main body and the gear.

[0012] Furthermore, an ink outlet hole is provided on the outer wall of the main body, and the pressure roller is made of polyurethane rubber.

[0013] Through the above technical solution, the ink outlet hole can transport the evenly stirred offset printing material in the guide roller to between the main body and the pressure roller. The polyurethane glue has good chemical resistance, can prevent the penetration of chemical substances, and extend the service life of the pressure roller.

[0014] Furthermore, the top ends of the first installation box and the second installation box are fixedly connected with a second connecting rod, and the other ends of the second connecting rod are provided with a machine box.

[0015] Through the above technical solution, the second connecting rod is used to connect the chassis with the first installation box and the second installation box.

[0016] Furthermore, a control panel is fixedly connected to the outside of the chassis, and the control panel is electrically connected to the motor, laser receiver, and laser transmitter, and the laser receiver and laser transmitter are on the same horizontal plane.

[0017] Through the above technical solution, the electrical connection between the control panel and the motor, laser receiver, and laser transmitter is utilized to facilitate operators to control the equipment components. The laser transmitter can adjust the laser emission angle through the knob set inside it. The laser receiver and laser transmitter are set on the same horizontal plane. By comparing the displacement of the laser irradiation on the laser receiver, it can be determined whether the guide roller and the pressure roller are installed in parallel, which facilitates operators to make timely adjustments and improves the efficiency of offset printing.

[0018] In summary, this application includes at least one of the following beneficial technical effects:

[0019] After the offset printing material enters the main body through the feed port, the motor's operation is controlled via the control panel. This motor drives the rotating rod mounted on its output end, which in turn rotates the stirring blades mounted on its outer side. The stirring blades fully contact the offset printing material, mixing the solid particles and the ink-water separation layer in the offset printing material, ensuring uniform ink output and enhancing the stability of printed colors. A knob inside the laser transmitter adjusts the laser emission angle. With the laser receiver and laser transmitter positioned on the same horizontal plane, the displacement of the laser light on the laser receiver is compared to determine whether the guide roller and pressure roller are installed parallel. This facilitates timely adjustments by the operator and improves offset printing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a guide roller structure of an offset printing machine;

[0021] Figure 2 This is a schematic diagram of the position relationship between the main body and the rotating rod in this application;

[0022] Figure 3 for Figure 1 A schematic diagram of the structure at center A;

[0023] Figure 4 This is a schematic diagram of the position relationship between the transfer rod and the limit rod in this application.

[0024] Description of the numbers in the figure:

[0025] 1. Main body; 101. Sealing plate; 102. Rotating rod; 103. Stirring blade; 104. Motor; 105. First installation box; 106. Second installation box; 107. Laser receiver; 108. Laser transmitter; 109. First connecting rod; 110. Second connecting rod; 111. Limit rod; 112. Gear; 113. Bayonet; 114. Ink outlet; 2. Pressure roller; 3. Chassis; 301. Control panel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0027] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0029] Example 1:

[0030] The following is combined with Figure 1-4 This application is described in further detail.

[0031] The present application embodiment discloses a guide roller structure of an offset printing press. Figure 1 , sealing plates 101 are provided at both ends of the main body 1, and the axial end of the sealing plate 101 is fixedly connected to a rotating rod 102, the outer surface of the rotating rod 102 is provided with a stirring blade 103, one end of the rotating rod 102 is provided with a motor 104, the outer side of the motor 104 is fixedly connected to a first installation box 105, and the other end of the rotating rod 102 is provided with a second installation box 106. A laser receiver 107 is provided on the side of the first installation box 105 close to the main body 1, and a laser transmitter 108 is movably connected to the second installation box 106 through a turning button. The bottom ends of the first installation box 105 and the second installation box 106 are fixedly connected to a first connecting rod 109, and the other end of the first connecting rod 109 is provided with a pressure roller 2.

[0032] A feed port is provided at the top of the main body 1, and the first installation box 105 and the second installation box 106 are fixedly connected to a limit rod 111 on one side close to the main body 1. The limit rod 111 is provided with two groups of gears 112 that are rotatably connected to the axial ends. The feed port provided at the top of the main body 1 can be used to supply ink to the guide roller. The first installation box 105 and the second installation box 106 are connected to the sealing plate 101 by using the limit rod 111 to reduce the shaking caused by the operation of the equipment, while ensuring that the guide roller can discharge ink evenly.

[0033] Bayonet 113 is provided on the inner wall at both ends of the main body 1 and the outer wall of the rotating rod 102. The bayonet 113 is meshed with the gear 112 and the size is adapted. The meshing connection between the bayonet 113 provided on the inner wall and outer wall of the main body 1 and the gear 112 is used to ensure the stability of the equipment operation.

[0034] An ink outlet hole 114 is provided on the outer wall of the main body 1, and the pressure roller 2 is made of polyurethane glue. The ink outlet hole 114 can transport the offset printing material stirred evenly in the guide roller to between the main body 1 and the pressure roller 2. The polyurethane glue has good chemical resistance and can prevent the penetration of chemical substances, thereby extending the service life of the pressure roller 2.

[0035] The top ends of the first installation box 105 and the second installation box 106 are fixedly connected with a second connecting rod 110 , and the other end of the second connecting rod 110 is provided with the chassis 3 , and the second connecting rod 110 is used to connect the chassis 3 with the first installation box 105 and the second installation box 106 .

[0036] A control panel 301 is fixedly connected to the outside of the chassis 3. The control panel 301 is electrically connected to the motor 104, the laser receiver 107, and the laser emitter 108. The laser receiver 107 and the laser emitter 108 are on the same horizontal plane. The electrical connection between the control panel 301 and the motor 104, the laser receiver 107, and the laser emitter 108 is used to facilitate operators to control the equipment components. The laser emitter 108 can adjust the laser emission angle by means of a knob arranged inside it. The laser receiver 107 and the laser emitter 108 are arranged on the same horizontal plane. By comparing the displacement of the laser irradiation on the laser receiver 107, it is determined whether the guide roller and the pressure roller 2 are installed in parallel, which facilitates operators to make timely adjustments and improves the efficiency of offset printing.

[0037] The implementation principle of the guide roller structure of an offset printing press according to the embodiment of the present application is as follows: After the offset printing material enters the interior of the main body 1 through the feed port, the motor 104 is controlled by the control panel 301. The motor 104 drives the rotating rod 102 installed at its output end to rotate. The rotation of the rotating rod 102 drives the stirring blade 103 installed on its outer side to rotate. The stirring blade 103 fully contacts the offset printing material, mixing the solid particles and the ink-water separation layer in the offset printing material, ensuring the uniformity of the ink output and enhancing the stability of the printed color. The laser emission angle is adjusted using a knob installed inside the laser emitter 108. The laser receiver 107 and the laser emitter 108 are arranged on the same horizontal plane. By comparing the displacement of the laser irradiation on the laser receiver 107, it is determined whether the guide roller and the pressure roller 2 are installed in parallel. This facilitates the operator to make timely adjustments and improves the efficiency of the offset printing process.

[0038] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A guide roller structure for an offset printing press, comprising a main body (1), characterized in that: Sealing plates (101) are provided at both ends of the main body (1), the axial end of the sealing plate (101) is fixedly connected to a rotating rod (102), the outer surface of the rotating rod (102) is provided with a stirring blade (103), one end of the rotating rod (102) is provided with a motor (104), the outer side of the motor (104) is fixedly connected to a first installation box (105), the other end of the rotating rod (102) is provided with a second installation box (106), a laser receiver (107) is provided on the side of the first installation box (105) close to the main body (1), a laser transmitter (108) is movably connected to the second installation box (106) through a knob, the bottom ends of the first installation box (105) and the second installation box (106) are both fixedly connected to a first connecting rod (109), and the other end of the first connecting rod (109) is provided with a pressure roller (2).

2. The guide roller structure of an offset printing press according to claim 1, characterized in that: A feed port is provided at the top of the main body (1); the first installation box (105) and the second installation box (106) are fixedly connected to a limiting rod (111) on one side close to the main body (1); the limiting rod (111) is provided with two groups of gears (112) at the axial ends of which are rotatably connected.

3. The guide roller structure of an offset printing press according to claim 2, characterized in that: Bayonet holes (113) are provided on the inner walls at both ends of the main body (1) and the outer wall of the rotating rod (102). The bayonet holes (113) are meshed and connected with the gear (112) and have matching sizes.

4. The guide roller structure of an offset printing press according to claim 1, characterized in that: An ink outlet hole (114) is provided on the outer wall of the main body (1), and the pressure roller (2) is made of polyurethane glue.

5. The guide roller structure of an offset printing press according to claim 1, characterized in that: The top ends of the first installation box (105) and the second installation box (106) are both fixedly connected to a second connecting rod (110), and the other end of the second connecting rod (110) is provided with a machine box (3).

6. The guide roller structure of an offset printing press according to claim 5, characterized in that: A control panel (301) is fixedly connected to the outside of the chassis (3); the control panel (301) is electrically connected to the motor (104), the laser receiver (107), and the laser transmitter (108); and the laser receiver (107) and the laser transmitter (108) are on the same horizontal plane.

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