Adjustable pressure web press blanket cylinder balance arm

Abstract

The utility model relates to printing machine balance technical field discloses the rotogravure press rubber roll balance arm of adjustable pressure, including the main body, the outer wall top fixed connection of main body has the protection cover, the outer wall right side fixed connection of protection cover has the motor, the output fixed connection of motor has the rotating shaft, the outer wall top fixed connection of rotating shaft has the umbrella gear no.

Description

Technical Field

[0001] This utility model relates to the field of printing press balancing technology, and in particular to an adjustable pressure rotary printing press roller balancing arm. Background Technology

[0002] During the operation of a rotary printing press, the precise control of the pressure between the rubber roller and the printing cylinder plays a decisive role in the printing quality. Ideally, appropriate pressure ensures uniform ink transfer, resulting in clear images, vibrant and saturated colors, and clean blank areas. Taking offset printing as an example, if the pressure is inaccurate, the ink transfer will be uneven, leading to inconsistent color density in the printed pattern and severely affecting the visual effect. Currently, many rotary printing machines use a combination of manual operation and cylinder control for rubber roller and cylinder clutch adjustment. This traditional method has significant drawbacks. Pressure adjustment is highly dependent on the operator's experience and skill level, which is not only inefficient but also makes it difficult to ensure the consistency and stability of pressure in each batch of production, resulting in inconsistent print quality. In addition, some devices that rely on two cylinders to adjust the pressure at both ends of the rubber roller separately cannot guarantee synchronous movement of the two ends of the rubber roller, causing different forces at the limit points of the rubber roller, which greatly affects the clarity of the printed pattern.

[0003] The balance arm has certain requirements for the operating environment of the printing press and is not very adaptable to some special environments. In high-temperature and high-humidity workshop environments, some electronic components of the balance arm will be affected, leading to a decrease in the sensitivity of pressure regulation and malfunctions. At the same time, the existing technology still has the problem of asynchronous pressure adjustment of the device. Currently, the market solves this problem by adding heat sinks or small axial flow fans near the electronic components of the balance arm to accelerate heat dissipation, prevent components from aging due to long-term high temperature, ensure the normal operation of the workshop ventilation system, and promptly expel humid air to reduce the condensation of water vapor on the equipment surface. However, the existing technology still has the problem of asynchronous pressure adjustment of the device. Asynchronous adjustment of the roller pressure will lead to uneven printing pressure in different areas, causing the paper to be subjected to unbalanced force during the conveying process, resulting in image and text misregistration. Especially in multi-color printing, inconsistent pressure of each color group will lead to chaotic color superposition and a significant reduction in the finished product qualification rate. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an adjustable pressure rotary printing press roller balance arm, which aims to improve the problem of asynchronous pressure adjustment in the prior art.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: an adjustable pressure rotary printing press roller balance arm, comprising a main body, a protective cover fixedly connected to the top of the outer wall of the main body, a motor fixedly connected to the right side of the outer wall of the protective cover, a rotating shaft fixedly connected to the output end of the motor, a bevel gear one fixedly connected to the top of the outer wall of the rotating shaft, a bevel gear two meshing around the outer wall of the bevel gear one, a threaded rod threadedly connected to the middle of the outer wall of the bevel gear two, a lifting block threadedly connected to the middle of the outer wall of the threaded rod, connecting rods fixedly connected to both sides of the outer wall of the lifting block, connecting blocks fixedly connected to the bottom of the outer walls of the two connecting rods, a transmission belt fixedly connected to the bottom of the outer wall of the connecting block, a fixed ring rotatably connected to the inner side of the outer wall of the transmission belt, a rotating ring rotatably connected to the middle of the inner wall of the fixed ring, a roller fixedly connected to the middle of the outer wall of the rotating ring, and a drying mechanism fixedly connected to the top of the outer wall of the main body, the drying mechanism being used to dry the material.

[0006] As a further description of the above technical solution:

[0007] The drying mechanism includes an air compressor pump. The bottom of the outer wall of the air compressor pump is fixedly connected to the top of the outer wall of the main body. A connecting pipe is connected to the top of the outer wall of the air compressor pump. A heat storage box is connected to the bottom of the outer wall of the connecting pipe. Heat generating boxes are fixedly connected to both sides of the inner wall of the heat storage box. Heating wires are fixedly connected to the inner wall of the heat generating box. Ventilation holes are opened on both sides of the outer wall of the heat storage box. A first conveying pipe is connected to both sides of the outer wall of the heat storage box. A second conveying pipe is connected to the bottom of the outer wall of the first conveying pipe. A nozzle is connected to the inner side of the outer wall of the second conveying pipe.

[0008] As a further description of the above technical solution:

[0009] A fixing box is fixedly connected to the top of the inner wall of the main body, and an ultraviolet lamp is fixedly connected to the inner wall of the fixing box.

[0010] As a further description of the above technical solution:

[0011] An observation window is fixedly connected to the left side of the outer wall of the protective cover, and a fixing plate is fixedly connected to the right side of the outer wall of the observation window.

[0012] As a further description of the above technical solution:

[0013] A handle is fixedly connected to the top of the outer wall of the fixing plate, and two nuts are fixedly connected to the middle of the outer wall of the fixing plate.

[0014] As a further description of the above technical solution:

[0015] A hinge is fixedly connected to the left side of the outer wall of the observation window, and a nut is fixedly connected to the middle of the outer wall of the hinge.

[0016] As a further description of the above technical solution:

[0017] A baffle is fixedly connected to the left side of the outer wall of the main body, and a feed inlet is opened in the middle of the outer wall of the baffle.

[0018] As a further description of the above technical solution:

[0019] A protective shell is fixedly connected to the outer wall of the motor, and a support frame is fixedly connected to the lower side of the outer wall of the protective shell.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, a rotating shaft is driven by a motor to rotate. A bevel gear one is fixedly connected to the top of the outer wall of the rotating shaft, and a bevel gear two is meshed around the outer wall of the bevel gear one. The rotation of the rotating shaft realizes the rotation of bevel gear one and bevel gear two. At the same time, a threaded rod is fixedly connected to the middle of the outer wall of bevel gear two, and a lifting block is threadedly connected to the middle of the outer wall of the threaded rod. Connecting rods are fixedly connected to both sides of the outer wall of the lifting block. The lifting of the lifting block realizes the synchronous lifting of the connecting rods. The rubber roller is connected to the rotating ring through the connecting block at the bottom of the outer wall of the connecting rod, thereby realizing the synchronous lifting of the device.

[0022] 2. In this utility model, air is compressed by an air compressor pump and transported to the interior of the heat storage box through a connecting pipe, thereby increasing the pressure inside the heat storage box. Heat generating boxes are fixedly connected to both sides of the outer wall of the heat storage box, and heating wires are fixedly connected to the inner wall of the heat generating boxes. Heat is dissipated through the heating wires. At the same time, a first conveying pipe is connected to the outer wall of the heat storage box. Due to the high pressure inside the heat storage box, hot air is transported through the first conveying pipe and then evenly sprayed out through the second conveying pipe and the nozzle. Attached Figure Description

[0023] Figure 1 This is a perspective view of the front side of the adjustable pressure rotary printing press roller balance arm proposed in this utility model.

[0024] Figure 2 This is a partial structural diagram of the adjustable pressure rotary printing press roller balance arm proposed in this utility model;

[0025] Figure 3 This is a partial structural diagram of the adjustable pressure rotary printing press roller balance arm proposed in this utility model;

[0026] Figure 4 This is a partial structural diagram of the adjustable pressure rotary printing press roller balance arm proposed in this utility model;

[0027] Figure 5This is a partial structural exploded view of the adjustable pressure rotary printing press roller balance arm proposed in this utility model.

[0028] Figure 6 This is a partial structural exploded view of the adjustable pressure rotary printing press roller balance arm proposed in this utility model.

[0029] Legend:

[0030] 1. Main body; 2. Drying mechanism; 201. Heat storage box; 202. Connecting pipe; 203. Air compressor pump; 204. Heat generation box; 205. Heating wire; 206. Conveying pipe one; 207. Conveying pipe two; 208. Nozzle; 209. Ventilation hole; 3. Protective cover; 4. Motor; 5. Rotating shaft; 6. Bevel gear one; 7. Bevel gear two; 8. Threaded rod; 9. Lifting block; 10. Connecting rod; 11. Connecting block; 12. Transmission belt; 13. Fixing ring; 14. Rotating ring; 15. Rubber roller; 16. Fixing box; 17. Ultraviolet lamp; 18. Observation window; 19. Hinge; 20. Nut one; 21. Fixing plate; 22. Handle; 23. Nut two; 24. Baffle; 25. Feed inlet; 26. Protective shell; 27. Support frame. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see the appendix Figure 2 - Appendix Figure 4 An embodiment of this utility model provides: an adjustable pressure rotary printing press roller balance arm, including a main body 1, a protective cover 3 fixedly connected to the top of the outer wall of the main body 1, a motor 4 fixedly connected to the right side of the outer wall of the protective cover 3, a rotating shaft 5 fixedly connected to the output end of the motor 4, a bevel gear 6 fixedly connected to the top of the outer wall of the rotating shaft 5, bevel gears 7 meshing around the outer wall of bevel gears 6, a threaded rod 8 threadedly connected to the middle of the outer wall of bevel gears 7, a lifting block 9 threadedly connected to the middle of the outer wall of the threaded rod 8, connecting rods 10 fixedly connected to both sides of the outer wall of the lifting block 9, connecting blocks 11 fixedly connected to the bottom of the outer walls of the two connecting rods 10, a transmission belt 12 fixedly connected to the bottom of the outer wall of the connecting block 11, a fixed ring 13 drivingly connected to the inner side of the outer wall of the transmission belt 12, a rotating ring 14 rotatably connected to the middle of the inner wall of the fixed ring 13, a roller 15 fixedly connected to the middle of the outer wall of the rotating ring 14, and a drying mechanism 2 fixedly connected to the top of the outer wall of the main body 1. The drying mechanism 2 is used to dry the material.

[0033] Specifically, a protective cover 3 is fixedly connected to the top of the outer wall of the main body 1. The main function of the protective cover 3 is to protect the internal components from interference and damage from the external environment. A high-efficiency motor 4 is fixedly connected to the right side of the outer wall of the protective cover 3. The motor 4 serves as the power source for the entire device. A rotating shaft 5 is fixedly connected to the output end. A bevel gear 6 is fixedly connected to the top of the outer wall of the rotating shaft 5. The outer walls of the bevel gear 6 mesh with another bevel gear 7 to ensure smooth and efficient power transmission. A threaded rod 8 is threadedly connected to the middle of the outer wall of the bevel gear 7. A lifting mechanism is threadedly connected to the middle of the outer wall of the threaded rod 8. Block 9, the lifting block 9 can move up and down under the rotation of the threaded rod 8. Two connecting rods 10 are fixedly connected to both sides of the outer wall of the lifting block 9. Connecting blocks 11 are fixedly connected to the bottom of the outer wall of each of the two connecting rods 10. A transmission belt 12 is fixedly connected to the bottom of the outer wall of the connecting block 11. The inner side of the outer wall of the transmission belt 12 is connected to a fixed ring 13 to ensure the stability of the transmission process. A rotating ring 14 is rotatably connected to the middle of the inner wall of the fixed ring 13. A rubber roller 15 is fixedly connected to the middle of the outer wall of the rotating ring 14. The rubber roller 15 can rotate under the drive of the rotating ring 14, thereby realizing the processing of materials.

[0034] Please see the appendix Figure 4 - Appendix Figure 6 The drying mechanism 2 includes an air compressor pump 203. The bottom of the outer wall of the air compressor pump 203 is fixedly connected to the top of the outer wall of the main body 1. A connecting pipe 202 is connected to the top of the outer wall of the air compressor pump 203. A heat storage box 201 is connected to the bottom of the outer wall of the connecting pipe 202. Heat generating boxes 204 are fixedly connected to both sides of the inner wall of the heat storage box 201. Heating wires 205 are fixedly connected to the inner wall of the heat generating box 204. Ventilation holes 209 are opened on both sides of the outer wall of the heat storage box 201. A first conveying pipe 206 is connected to both sides of the outer wall of the heat storage box 201. A second conveying pipe 207 is connected to the bottom of the outer wall of the first conveying pipe 206. A nozzle 208 is connected to the inner side of the outer wall of the second conveying pipe 207.

[0035] Specifically, the described drying mechanism 2 includes an air compressor pump 203. This air compressor pump 203 is fixedly connected to the top of the outer wall of the main body 1 via its bottom outer wall, ensuring its stability. The main function of the air compressor pump 203 is to compress air, providing the necessary power for the drying process. A connecting pipe 202 is connected to the top of the outer wall of the air compressor pump 203. The main function of this connecting pipe 202 is to transport the compressed air to the heat storage box 201. The bottom of the outer wall of the connecting pipe 202 is connected to the heat storage box 201, ensuring smooth airflow. Heat generating boxes 204 are fixedly connected to both sides of the inner wall of the heat storage box 201. The main function of the heat generating boxes 204 is to generate heat, providing the necessary thermal energy for the drying process. Fixed connections are made to the inner wall of the heat generating boxes 204. Heating wires 205 are connected to the heat-generating box 204. These heating wires 205 generate heat when energized, thereby heating the air inside the heat-generating box 204. To ensure effective heat transfer, ventilation holes 209 are provided on both sides of the outer wall of the heat-generating box 204. These ventilation holes 209 allow hot air to flow smoothly out of the heat-generating box 204 and into the heat storage box 201. The outer walls of the heat storage box 201 are connected to the first conveying pipe 206. The main function of the first conveying pipe 206 is to transport the hot air in the heat storage box 201 to the second conveying pipe 207. The bottom of the outer wall of the first conveying pipe 206 is connected to the second conveying pipe 207 to ensure smooth airflow. The inner side of the outer wall of the second conveying pipe 207 is connected to the nozzle 208. The main function of the nozzle 208 is to spray hot air onto the object to be dried, thereby achieving the purpose of drying.

[0036] Please see the appendix Figure 4 - Appendix Figure 6 A fixed box 16 is fixedly connected to the top of the inner wall of the main body 1. An ultraviolet lamp 17 is fixedly connected to the inner wall of the fixed box 16. An observation window 18 is fixedly connected to the left side of the outer wall of the protective cover 3. A fixed plate 21 is fixedly connected to the right side of the outer wall of the observation window 18. A handle 22 is fixedly connected to the top of the outer wall of the fixed plate 21. A nut 23 is fixedly connected to the middle of the outer wall of the fixed plate 21.

[0037] Specifically, a fixed box 16 is fixedly connected to the top of the inner wall of the main body 1. An ultraviolet lamp 17 is fixedly connected to the inner wall of the fixed box 16 to provide the necessary ultraviolet irradiation function. At the same time, an observation window 18 is fixedly connected to the left side of the outer wall of the protective cover 3 to facilitate observation of the internal situation. A support and fixing plate 21 is fixedly connected to the right side of the outer wall of the observation window 18. A handle 22 is fixedly connected to the top of the outer wall of the fixing plate 21 to facilitate gripping and moving, so that the operator can easily carry and move the entire device during use. In addition, a nut 23 for connecting and fixing other components is fixedly connected to the middle of the outer wall of the fixing plate 21.

[0038] Please see the appendix Figure 1 - Appendix Figure 3 A hinge 19 is fixedly connected to the left side of the outer wall of the observation window 18. A nut 20 is fixedly connected to the middle of the outer wall of the hinge 19. A baffle 24 is fixedly connected to the left side of the outer wall of the main body 1. A feed inlet 25 is opened in the middle of the outer wall of the baffle 24. A protective shell 26 is fixedly connected to the four sides of the outer wall of the motor 4. A support frame 27 is fixedly connected to the lower side of the outer wall of the protective shell 26.

[0039] Specifically, a hinge 19 is fixedly connected to the left side of the outer wall of the observation window 18. A nut 20 for adjustment and fixation is fixedly connected to the middle of the outer wall of the hinge 19 to ensure the stability of the hinge 19. A baffle 24 is fixedly connected to the left side of the outer wall of the main body 1. A feed port 25 is opened in the middle of the outer wall of the baffle 24 to facilitate the smooth introduction of materials. A protective shell 26 is fixedly connected to the outer wall of the motor 4. A support frame 27 is fixedly connected to the outer wall of the protective shell 26 to enhance the stability and safety of the motor 4.

[0040] A motor 4 is fixedly connected to the left side of the outer wall of the protective cover 3. A rotating shaft 5 is fixedly connected to the output end of the motor 4. A bevel gear 6 is fixedly connected to the top of the outer wall of the rotating shaft 5. A bevel gear 7 is meshed around the outer wall of the bevel gear 6. The rotation of the rotating shaft 5 is achieved by the drive of the motor 4, thereby achieving the rotation of the bevel gear 7. Since the bevel gear 7 is fixedly connected to the top of the outer wall of the threaded rod 8, the rotation of the threaded rod 8 is achieved. At the same time, a lifting block 9 is threadedly connected to the middle of the outer wall of the threaded rod 8. Connecting rods 10 are fixedly connected to both sides of the outer wall of the lifting block 9, thereby achieving the lifting and lowering of the connecting rods 10. The lifting and lowering of the connecting rods 10 drives the transmission belt 12 fixedly connected to the bottom of the outer wall of the connecting block 11 to lift and lower. The lifting and lowering of the rubber roller 15 is achieved by the lifting and lowering of the rubber roller 15, thereby achieving the adjustment of the pressure.

[0041] Heat-generating boxes 204 are fixedly connected to both sides of the inner wall of the heat storage box 201. Multiple heating wires 205 are fixedly connected to the inner wall of the heat-generating boxes 204. The heating of the heat storage box 201 is achieved by heating the heating wires 205. At the same time, the heat storage box 201 is connected to the air compressor pump 203 through the connecting pipe 202. The air compressor pump 203 compresses the gas and delivers it to the inside of the heat storage box 201 through the connecting pipe 202 to increase the pressure inside the heat storage box 201. Then, the hot gas is delivered through the first conveying pipe 206 connected to both sides of the outer wall of the heat storage box 201. Then, the hot gas is delivered through the first conveying pipe 206 to the second conveying pipe 207. The inner side of the outer wall of the second conveying pipe 207 is connected to the nozzle 208. The hot gas is sprayed out evenly through the nozzle 208, thereby achieving the drying of the material.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable pressure rotary printing press roller balance arm, comprising a main body (1), characterized in that: A protective cover (3) is fixedly connected to the top of the outer wall of the main body (1). A motor (4) is fixedly connected to the right side of the outer wall of the protective cover (3). A rotating shaft (5) is fixedly connected to the output end of the motor (4). A bevel gear one (6) is fixedly connected to the top of the outer wall of the rotating shaft (5). A bevel gear two (7) is meshed around the outer wall of the bevel gear one (6). A threaded rod (8) is threadedly connected to the middle of the outer wall of the bevel gear two (7). A lifting block (9) is threadedly connected to the middle of the outer wall of the threaded rod (8). The lifting block (9) is fixedly connected to the two sides of the outer wall of the lifting block (9). A connecting rod (10) is fixedly connected to the bottom of the outer wall of each of the two connecting rods (10). A transmission belt (12) is fixedly connected to the bottom of the outer wall of the connecting block (11). A fixed ring (13) is connected to the inner side of the outer wall of the transmission belt (12). A rotating ring (14) is rotatably connected to the middle of the inner wall of the fixed ring (13). A rubber roller (15) is fixedly connected to the middle of the outer wall of the rotating ring (14). A drying mechanism (2) is fixedly connected to the top of the outer wall of the main body (1). The drying mechanism (2) is used to dry the material.

2. The adjustable pressure rotary printing press roller balance arm according to claim 1, characterized in that: The drying mechanism (2) includes an air compressor pump (203). The bottom of the outer wall of the air compressor pump (203) is fixedly connected to the top of the outer wall of the main body (1). The top of the outer wall of the air compressor pump (203) is connected to a connecting pipe (202). The bottom of the outer wall of the connecting pipe (202) is connected to a heat storage box (201). The inner walls of the heat storage box (201) are fixedly connected to heat generating boxes (204). The inner walls of the heat generating boxes (204) are fixedly connected to heating wires (205). Ventilation holes (209) are opened on both sides of the outer wall of the heat generating boxes (204). The outer walls of the heat storage box (201) are connected to a first conveying pipe (206). The bottom of the outer wall of the first conveying pipe (206) is connected to a second conveying pipe (207). The inner side of the outer wall of the second conveying pipe (207) is connected to a nozzle (208).

3. The adjustable pressure rotary printing press roller balance arm according to claim 1, characterized in that: A fixing box (16) is fixedly connected to the top of the inner wall of the main body (1), and an ultraviolet lamp (17) is fixedly connected to the inner wall of the fixing box (16).

4. The adjustable pressure rotary printing press roller balance arm according to claim 1, characterized in that: An observation window (18) is fixedly connected to the left side of the outer wall of the protective cover (3), and a fixing plate (21) is fixedly connected to the right side of the outer wall of the observation window (18).

5. The adjustable pressure rotary printing press roller balance arm according to claim 4, characterized in that: A handle (22) is fixedly connected to the top of the outer wall of the fixing plate (21), and a nut (23) is fixedly connected to the middle of the outer wall of the fixing plate (21).

6. The adjustable pressure rotary printing press roller balance arm according to claim 4, characterized in that: A hinge (19) is fixedly connected to the left side of the outer wall of the observation window (18), and a nut (20) is fixedly connected to the middle of the outer wall of the hinge (19).

7. The adjustable pressure rotary printing press roller balance arm according to claim 1, characterized in that: A baffle (24) is fixedly connected to the left side of the outer wall of the main body (1), and a feed inlet (25) is provided in the middle of the outer wall of the baffle (24).

8. The adjustable pressure rotary printing press roller balance arm according to claim 1, characterized in that: A protective shell (26) is fixedly connected around the outer wall of the motor (4), and a support frame (27) is fixedly connected to the lower side of the outer wall of the protective shell (26).

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