Printing roller efficient cooling device for printing machine
The design of automatic lubrication and cooling system on the printing roller solves the problem of eccentric vibration caused by wear between the printing roller and the mounting frame, realizes long life and efficient cooling of the equipment, and ensures printing accuracy.
Patent Information
- Application Number
- CN202423094780.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The direct contact between the printing roller and the mounting frame causes wear after long-term use, resulting in eccentricity or vibration, which affects the alignment accuracy during the printing process.
A high-efficiency cooling device for the printing roller of a printing press with automatic lubricating oil addition is designed. Lubricating oil is automatically dripped through a solenoid valve to form a protective film on the printing roller shaft. The device is combined with a refrigerator and an electric fan for cooling, reducing wear and improving cooling efficiency.
Reduce the friction and wear between the printing roller and the mounting frame, extend the service life of the equipment, improve the cooling efficiency, and ensure the alignment accuracy of the printing process.
Smart Images

Figure CN223420271U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a high-efficiency cooling device for a printing roller of a printing machine, in particular to the technical field of cooling devices. Background Art
[0002] The printing roller in the printing press is a vital component in the printing process. It is directly involved in the transfer of ink and the formation of the image. Different types of printing presses may use different types of printing rollers.
[0003] The patent authorization publication number is CN218661005U, which discloses a cooling roller for a printing press. The above patent realizes a working mode similar to a screw pump through the rotation of the roller body, thereby realizing the flow of water to cool the printing roller. However, the above patent still has some shortcomings in actual use. Since the above technology is directly installed on the printing press for use, the roller body and the mounting frame are in direct contact. After the roller body is used for a long time, the contact area between the roller body and the mounting frame will wear, causing the roller body to be eccentric or vibrate during rotation, affecting the positioning accuracy during the printing process.
[0004] Therefore, it is necessary to provide a high-efficiency cooling device for the printing roller of a printing press that automatically adds lubricating oil. Utility Model Content
[0005] In order to overcome the shortcomings of the above-mentioned technology that the roller body is in direct contact with the mounting frame, the roller body is easily worn after long-term use, resulting in eccentricity or vibration of the roller body during rotation, which affects the positioning accuracy during the printing process, the utility model provides a high-efficiency cooling device for the printing roller of a printing machine with automatic addition of lubricating oil.
[0006] In order to achieve the above-mentioned purpose, the embodiment of the present invention provides the following technical solutions: A high-efficiency cooling device for a printing roller of a printing machine, comprising a mounting frame, a connecting ring, a printing roller, a rotating disk, a liquid storage tank, a water pump and a circulation pipe, wherein connecting rings are embedded in both mounting frames, a printing roller is placed between the two connecting rings, a rotating disk is provided at the right end of the printing roller, a liquid storage tank is fixedly connected between the bottoms of the two mounting frames, a water pump is installed on the right side of the liquid storage tank, a circulation pipe is connected between the water pump and the liquid storage tank, the circulation pipe passes through the liquid storage tank, and the upper part of the circulation pipe is located in the printing roller, and further comprises a connecting frame, an oil storage tank, a scale plate and a solenoid valve, a connecting frame is fixedly connected to the top of the mounting frame symmetrically front and back, an oil storage tank is installed on the two connecting frames, scale plates are fixedly connected on the left and right sides of the oil storage tank, and a solenoid valve is installed at the bottom of the oil storage tank.
[0007] Furthermore, it also includes a support frame, a refrigerator and a cooling pipe. The support frame is installed on the top of the liquid storage tank, the refrigerator is installed on the right side of the support frame, the refrigerator is connected to the cooling pipe, the cooling pipe is located in the support frame, and the cooling pipe is in contact with the water tank.
[0008] Furthermore, it also includes an electric fan, a support frame, an air outlet plate, a connecting frame and an air outlet pipe. The electric fan is installed at the bottom of the support frame, the support frame is fixedly connected to the mounting frame, the air outlet plate is provided on the support frame, the air outlet plate is located on the outside of the printing roller, the front and rear sides of the support frame are connected with connecting frames, the air outlet pipe is connected between the two connecting frames, and the upper end of the air outlet pipe is connected to the air outlet plate.
[0009] Furthermore, an observation panel is also included, and the air outlet plate is embedded with the observation panel.
[0010] Furthermore, a filter plate is also included, and the filter plate is installed on the electric fan.
[0011] Furthermore, a buffer pad is also included. Two buffer pads are arranged on the circulation pipe. The buffer pad contacts the lower part of the right mounting frame. The buffer pad is located on the left and right sides of the mounting frame.
[0012] Compared with the prior art, the high-efficiency cooling device for the printing roller of a printing machine provided by the embodiment of the utility model has the following advantages: 1. By activating the solenoid valve, the lubricating oil in the oil storage tank automatically drips onto the shaft of the printing roller, thereby forming a protective film between the connection of the printing roller and other moving parts, reducing the direct contact and friction between the end of the printing roller and the mounting frame, reducing wear and tear, and extending the service life of the equipment.
[0013] 2. By starting the refrigerator, the refrigerator controls the refrigeration pipe to refrigerate, thereby cooling the water in the liquid storage tank and maintaining the cooling efficiency.
[0014] 3. By starting the electric fan, the electric fan blows the cold air generated by the refrigeration pipe into the connecting frame, so that the cold air is blown into the air outlet plate through the outlet pipe, thereby cooling the printing roller for the second time, thereby accelerating the cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0016] Figure 2 It is a three-dimensional structural diagram of the mounting frame, printing roller and liquid storage tank of the utility model.
[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the rotating disk, circulation pipe and buffer pad of the utility model.
[0018] Figure 4 It is a three-dimensional cross-sectional view of the liquid storage tank, water pump and circulation pipe of the utility model.
[0019] Figure 5 It is a three-dimensional structural diagram of the connecting frame, oil storage tank and scale plate of the utility model.
[0020] Figure 6It is a three-dimensional cross-sectional view of the liquid storage tank, water pump and circulation pipe of the utility model.
[0021] Figure 7 This is a three-dimensional cross-sectional view of the support frame, refrigerator and refrigeration pipe of the utility model.
[0022] The meaning of the reference numbers in the figure: 1-mounting frame, 2-printing roller, 20-rotating disk, 21-connecting ring, 3-liquid storage tank, 4-water pump, 5-circulation pipe, 6-support frame, 7-refrigeration device, 8-refrigeration pipe, 9-electric fan, 10-support frame, 11-air outlet plate, 12-connecting frame, 13-air outlet pipe, 14-observation plate, 15-filter plate, 16-buffer pad, 17-connecting frame, 18-oil storage tank, 1801-scale plate, 19-solenoid valve. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] Example 1: A high-efficiency cooling device for a printing roller of a printing press, see Figure 1-Figure 7 As shown, it includes a mounting frame 1, a connecting ring 21, a printing roller 2, a rotating disk 20, a liquid storage tank 3, a water pump 4 and a circulation pipe 5. A connecting ring 21 is embedded in the two mounting frames 1. The printing roller 2 is placed between the two connecting rings 21. A rotating disk 20 is provided at the right end of the printing roller 2. A liquid storage tank 3 is provided between the bottoms of the two mounting frames 1 by welding. A water pump 4 is installed on the right side of the liquid storage tank 3. A circulation pipe 5 is connected between the water pump 4 and the liquid storage tank 3. The circulation pipe 5 is a hard pipe. The circulation pipe 5 passes through the liquid storage tank 3. The upper part of the circulation pipe 5 is located in the printing roller 2. It also includes a connecting frame 17, an oil storage tank 18, a scale plate 1801 and a solenoid valve 19. The connecting frame 17 is symmetrically fixed to the top of the mounting frame 1 in a front-to-back manner. The oil storage tank 18 is installed on the two connecting frames 17. The scale plates 1801 are fixed on the left and right sides of the oil storage tank 18. The solenoid valve 19 is provided at the bottom of the oil storage tank 18 by bolt connection.
[0025] See Figure 3 and Figure 4 As shown, a buffer pad 16 is also included. Two buffer pads 16 are provided on the circulation pipe 5. The buffer pads are in contact with the lower part of the right mounting frame, and the buffer pads are located on the left and right sides of the mounting frame.
[0026] When the printing roller 2 needs to be cooled, the water pump 4 needs to be started to collect the water in the water tank 3, and the water is flowed back into the water tank 3 from the circulating pipe 5 to form a circulation, so as to cool the printing roller 2; when the printing roller 2 needs to be used, the electromagnetic valve 19 is started to make the lubricating oil in the oil tank 18 automatically drop on the shaft of the printing roller 2, so that a protective film can be formed between the connecting part of the printing roller 2 and other moving parts, the direct contact and friction between the end of the printing roller 2 and the mounting frame 1 are reduced, the wear is reduced, the service life of the equipment is prolonged, and the buffer pad 16 is used to reduce the vibration of the water flow.
[0027] Example 2: on the basis of example 1, refer to Figure 2 、 Figure 6 and Figure 7 , further comprising a support frame 6, a refrigeration device 7 and a refrigeration pipe 8, the support frame 6 is installed on the top of the water tank 3, the refrigeration device 7 is arranged on the right side of the support frame 6 through bolt connection, the refrigeration pipe 8 is connected to the refrigeration device 7, the refrigeration pipe 8 is located in the support frame 6, and the refrigeration pipe 8 is in contact with the water tank.
[0028] When the circulating water is used to cool the printing roller 2, the refrigeration device 7 is started to control the refrigeration pipe 8 to refrigerate, so as to cool the water in the water tank 3, thereby maintaining the cooling efficiency; when the cooling of the printing roller 2 needs to be stopped, the water pump 4 and the refrigeration device 7 can be closed.
[0029] Referring to Figure 6 and Figure 7 , further comprising an electric fan 9, a support frame 10, an air outlet disc 11, a connecting frame 12 and an air outlet pipe 13, the electric fan 9 is installed at the bottom of the support frame 6, the support frame 10 is fixedly connected to the mounting frame 1, the air outlet disc 11 is arranged on the support frame 10 and located outside the printing roller 2, the connecting frame 12 is arranged on the front and rear sides of the support frame 6, the air outlet pipe 13 is connected between the two connecting frames 12, and the upper end of the air outlet pipe 13 is connected to the air outlet disc 11.
[0030] Referring to Figure 6 , further comprising an observation plate 14, and the observation plate 14 is embeddedly arranged on the air outlet disc 11.
[0031] Referring to Figure 1 and Figure 2 , further comprising a filter plate 15, and the filter plate 15 is installed on the electric fan 9.
[0032] When the cooling of the printing roller 2 needs to be accelerated, the electric fan 9 is started to blow the cold air generated by the refrigeration pipe 8 into the connecting frame 12, so that the cold air is blown into the air outlet disc 11 through the air outlet pipe 13, thereby secondary cooling the printing roller 2, so as to accelerate the cooling efficiency, the filter plate 15 prevents sundries from falling into the electric fan 9, and the observation plate 14 can facilitate observation of the situation in the air outlet disc 11.
[0033] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A high-efficiency cooling device for a printing roller of a printing machine, comprising a mounting frame (1), a connecting ring (21), a printing roller (2), a rotating disk (20), a liquid storage tank (3), a water pump (4) and a circulation pipe (5), wherein the two mounting frames (1) are both embedded with a connecting ring (21), the printing roller (2) is placed between the two connecting rings (21), the printing roller (2) is provided with a rotating disk (20), a liquid storage tank (3) is fixedly connected between the two mounting frames (1), a water pump (4) is installed in the liquid storage tank (3), a circulation pipe (5) is connected between the water pump (4) and the liquid storage tank (3), the circulation pipe (5) passes through the liquid storage tank (3), and the circulation pipe (5) is located in the printing roller (2), wherein the device is characterized in that: The utility model further comprises a connecting frame (17), an oil storage tank (18), a scale plate (1801) and a solenoid valve (19); two connecting frames (17) are fixedly connected to the mounting frame (1); the oil storage tank (18) is installed on the two connecting frames (17); two scale plates (1801) are fixedly connected to the oil storage tank (18); and the solenoid valve (19) is installed on the oil storage tank (18).
2. The high-efficiency cooling device for a printing roller of a printing press according to claim 1, characterized in that: The invention also includes a support frame (6), a refrigerator (7) and a refrigeration pipe (8); the support frame (6) is installed on the liquid storage tank (3); the refrigerator (7) is installed on the support frame (6); the refrigeration pipe (8) is connected to the refrigerator (7); the refrigeration pipe (8) is located in the support frame (6), and the refrigeration pipe (8) is in contact with the water tank.
3. The high-efficiency cooling device for a printing roller of a printing press according to claim 2, characterized in that: The invention also comprises an electric fan (9), a support frame (10), an air outlet plate (11), a connecting frame (12) and an air outlet pipe (13); the electric fan (9) is mounted on the support frame (6); the support frame (10) is fixedly connected to the mounting frame (1); the air outlet plate (11) is arranged on the support frame (10); the air outlet plate (11) is located outside the printing roller (2); two connecting frames (12) are arranged on the support frame (6); an air outlet pipe (13) is connected between the two connecting frames (12); the upper end of the air outlet pipe (13) is connected to the air outlet plate (11).
4. The high-efficiency cooling device for a printing roller of a printing press according to claim 3, characterized in that: It also includes an observation plate (14), which is embedded in the gas outlet plate (11).
5. The high-efficiency cooling device for a printing roller of a printing press according to claim 4, characterized in that: The utility model further comprises a filter plate (15), and the filter plate (15) is installed on the electric fan (9).
6. The high-efficiency cooling device for a printing roller of a printing press according to claim 5, characterized in that: It also includes a buffer pad (16), and two buffer pads (16) are arranged on the circulation pipe (5).