A printing press ink wiping mechanism

Abstract

The utility model relates to the technical field of printing machine discloses a printing machine ink scraping cleaning mechanism, including work table, the top of work table is fixedly connected with motor through support, the output fixedly connected with the rotating rod of motor, the outer wall of rotating rod is inserted with the roller, the top fixedly connected with the support column of work table, the top fixedly connected with the rectangular plate of support column, the inner wall of rectangular plate is provided with electric telescopic handle no. In the utility model, through electric control electric telescopic handle two drive trapezoidal block removal, can accurate control two group positioning plate each other and closely insert in the roller ring groove, form firm spacing, effectively avoid the roller and appear when cleaning deviation, shake, adjust cleaning brush position simultaneously with electric control electric telescopic handle one, ensure that cleaning brush closely sticks to the roller surface, realize even cleaning on the basis of stable rotation, guarantee the safety of cleaning process, and improve the consistency of cleaning effect.

Description

Technical Field

[0001] This utility model relates to the field of printing press technology, and in particular to a printing press scraping and cleaning mechanism. Background Technology

[0002] The ink cleaning mechanism of a printing press is a key auxiliary device in the field of printing press technology. It is mainly used to clean the residual or excess ink on the surface of core components such as the doctor blade and printing roller of the printing press. It removes ink accumulation on the components through wiping, scraping, and adsorption, which can effectively prevent ink from drying and affecting printing accuracy and contaminating printed products. At the same time, it reduces manual cleaning costs, extends the service life of equipment, and ensures the continuous and stable operation of the printing press. It is an important component for improving printing efficiency and product quality.

[0003] A search revealed Chinese Patent Publication No. CN217993871U, which discloses a printing press ink scraping and cleaning mechanism. The mechanism includes a mounting frame with support rods fixedly connected to both sides of the top. An arc-shaped frame is fixedly connected to the top of each support rod. A cylinder is positioned above the mounting frame, and connecting shafts are fixedly connected to both sides of the cylinder. The surface of the connecting shaft contacts the top of the arc-shaped frame. First, a motor inside the machine housing rotates, driving a rotating rod to rotate. This rotation drives a connecting sleeve to rotate, which in turn drives the cylinder to rotate. Because the scraper and cleaning brush are in contact with the cylinder, they clean the cylinder surface as it rotates. The hard scraper removes clumps of ink that have condensed on the cylinder surface, followed by a secondary cleaning by the cleaning brush. This double cleaning enhances the cleaning ability, ensuring the cleanliness of the roller and preventing any impact on the printing press's operation.

[0004] The above-mentioned device has the following problems: the device only uses the friction of the rubber ring to prevent loosening between the connecting shaft and the connecting sleeve. However, the rubber is prone to aging and wear after long-term use, which leads to a decrease in friction and may cause slippage between the connecting sleeve and the connecting shaft. This not only affects the stability of the cylinder rotation, but may also cause abnormal noise or wear of parts due to slippage. At the same time, when the motor drives the rotating rod and the connecting sleeve drives the cylinder to rotate, only one side of the connecting shaft is under force, and the other side of the connecting shaft is only supported by the arc frame. This can easily cause the cylinder to sway left and right or move axially during rotation. Especially when the scraper or cleaning brush exerts cleaning pressure on the surface of the cylinder, the deviation will be more obvious, thus affecting the cleaning effect. Therefore, a printing press ink scraping and cleaning mechanism is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a printing press scraping and cleaning mechanism, which aims to improve the problem of insufficient stability when the cylinder rotates in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a printing press scraping and cleaning mechanism, comprising a worktable, a motor fixedly connected to the top of the worktable via a bracket, a rotating rod fixedly connected to the output end of the motor, a roller inserted into the outer wall of the rotating rod, a support column fixedly connected to the top of the worktable, a rectangular plate fixedly connected to the top of the support column, an electric telescopic rod provided on the inner wall of the rectangular plate, a U-shaped frame fixedly connected to the movable end of the electric telescopic rod, a cleaning brush inserted into the inner wall of the U-shaped frame, a positioning frame fixedly connected to the top of the worktable, a movable mechanism provided on the inner wall of the worktable, and a disassembly assembly provided on the inner wall of the U-shaped frame;

[0007] The movable mechanism includes an electric telescopic rod II, which is installed on the inner wall of the workbench. A trapezoidal block is fixedly connected to the movable end of the electric telescopic rod II, and a positioning plate is slidably connected to the inner wall of the trapezoidal block.

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

[0009] The disassembly assembly includes a limiting block, which is slidably connected to the inner wall of the U-shaped frame. The bottom inner wall of the limiting block is elastically connected to a locking block by a movable spring, and the outer wall of the U-shaped frame has a locking groove.

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

[0011] The rotating rod is rotatably connected to the inner wall of the fixed plate, and the roller is inserted into the inner wall of the positioning frame.

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

[0013] The U-shaped frame is slidably connected to the inner wall of the rectangular plate, and the positioning plate is slidably connected to the inner wall of the workbench.

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

[0015] The trapezoidal block is slidably connected to the inner wall of the worktable, and the positioning plate is inserted into the outer wall of the roller.

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

[0017] The positioning plate is provided in two sets, and the two sets of positioning plates are interlocked.

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

[0019] The card block is engaged with the inner wall of the card slot, and the limiting block is inserted into the inner wall of the cleaning brush.

[0020] As a further description of the above technical solution:

[0021] The card block is slidably connected to the inner wall of the limiting block.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the trapezoidal block is moved by the electric telescopic rod II, which can precisely control the two sets of positioning plates to move closer to each other and be tightly inserted into the roller annular groove to form a firm limit, effectively preventing the roller from shifting or shaking during cleaning. At the same time, the electric telescopic rod I adjusts the position of the cleaning brush to ensure that the cleaning brush is in close contact with the roller surface, achieving uniform cleaning on the basis of stable rotation, which not only ensures the safety of the cleaning process, but also improves the consistency of the cleaning effect.

[0024] 2. In this utility model, when replacing the cleaning brush, it is only necessary to manually press the locking block to compress the movable spring, which will push the locking block and the limiting block to move, thereby releasing or achieving the blocking and limiting of the cleaning brush; the whole process does not require the use of professional tools, the operation steps are few and the difficulty is low, and the disassembly and installation of the cleaning brush can be completed quickly, reducing equipment downtime, reducing maintenance costs, and ensuring the continuous and stable operation of the equipment. Attached Figure Description

[0025] Figure 1 This is a schematic diagram showing the workbench of a printing press scraper cleaning mechanism proposed in this utility model;

[0026] Figure 2 This is an exploded view of the rotating rod and roller of the ink scraping and cleaning mechanism for a printing press proposed in this utility model;

[0027] Figure 3 This is a cross-sectional schematic diagram of the worktable of a printing press scraper cleaning mechanism proposed in this utility model;

[0028] Figure 4 This is an exploded view of the roller and positioning plate of the ink scraping and cleaning mechanism for a printing press proposed in this utility model;

[0029] Figure 5 A schematic diagram illustrating a cleaning brush for a printing press scraper cleaning mechanism proposed in this utility model;

[0030] Figure 6 This is an exploded view of the U-shaped frame, cleaning brush, and limiting block of a printing press scraping and cleaning mechanism proposed in this utility model.

[0031] Figure 7 This is an exploded view of the limiting block and the locking block of the ink scraping and cleaning mechanism for a printing press proposed in this utility model.

[0032] Legend:

[0033] 1. Workbench; 2. Motor; 3. Fixing plate; 4. Rotating rod; 5. Roller; 6. Support column; 7. Rectangular plate; 8. Electric telescopic rod one; 9. U-shaped frame; 10. Cleaning brush; 11. Electric telescopic rod two; 12. Trapezoidal block; 13. Positioning plate; 14. Slot; 15. Limiting block; 16. Locking block; 17. Movable spring; 18. Positioning frame. Detailed Implementation

[0034] 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.

[0035] Reference Figures 1-3 This utility model provides an embodiment of a printing press ink scraping and cleaning mechanism, including a worktable 1. A motor 2 is fixedly connected to the top of the worktable 1 via a bracket. The motor 2 is a core power device that converts electrical energy into mechanical energy based on the laws of electromagnetic induction or electromagnetic force. A rotating rod 4 is fixedly connected to the output end of the motor 2. A roller 5 is inserted into the outer wall of the rotating rod 4. A protrusion is provided on the rotating rod 4, allowing the rotating rod 4 to drive the roller 5 to rotate together. A support column 6 is fixedly connected to the top of the worktable 1, supporting a rectangular plate 7. The top of the support column 6 is fixedly connected to the rectangular plate 7. An electric telescopic rod 8 is provided on the inner wall of the rectangular plate 7. The electric telescopic rod 8 is a mechatronic device that achieves linear reciprocating motion driven by a motor. A U-shaped frame 9 is fixedly connected to the movable end. A cleaning brush 10 is inserted into the inner wall of the U-shaped frame 9. The U-shaped frame 9 has a slot corresponding to the cleaning brush 10. A positioning frame 18 is fixedly connected to the top of the worktable 1. The positioning frame 18 provides positioning support for the roller 5. A movable mechanism is provided on the inner wall of the worktable 1. A disassembly assembly is provided on the inner wall of the U-shaped frame 9. The movable mechanism includes an electric telescopic rod 11. The electric telescopic rod 11 has the same working principle as the electric telescopic rod 8. The electric telescopic rod 11 is set on the inner wall of the worktable 1. A trapezoidal block 12 is fixedly connected to the movable end of the electric telescopic rod 11. A positioning plate 13 is slidably connected to the inner wall of the trapezoidal block 12. An inclined groove is provided on the inner wall of the trapezoidal block 12. When the inclined groove presses the positioning plate 13, it causes the two sets of positioning plates 13 to move closer together or separate.

[0036] Reference Figures 5-7The disassembly assembly includes a limiting block 15, which is slidably connected to the inner wall of the U-shaped frame 9. The U-shaped frame 9 has a slot corresponding to the limiting block 15, allowing the limiting block 15 to move left and right. A locking block 16 is elastically connected to the inner wall of the bottom end of the limiting block 15 via a movable spring 17. When the locking block 16 moves downwards, the movable spring 17 is compressed. Upon resetting, the elastic force of the movable spring 17 causes the locking block 16 to reset. A locking groove 14 is provided on the outer wall of the U-shaped frame 9, and the locking block 16... The 6 is attached to the inner wall of the slot 14. The slot 14 has two sets of slots corresponding to the 16. When the 16 is in the second slot, the limiting block 15 does not block the cleaning brush 10. The limiting block 15 is inserted into the inner wall of the cleaning brush 10. The cleaning brush 10 has slots corresponding to the limiting block 15. The 16 is slidably connected to the inner wall of the limiting block 15. The limiting block 15 has slots corresponding to the 16, so that the 16 can move vertically.

[0037] Reference Figures 2-4 The rotating rod 4 is rotatably connected to the inner wall of the fixed plate 3. The fixed plate 3 has a slot corresponding to the rotating rod 4 to facilitate the rotation of the rotating rod 4. The roller 5 is inserted into the inner wall of the positioning frame 18. The U-shaped frame 9 is slidably connected to the inner wall of the rectangular plate 7. The rectangular plate 7 has a slot corresponding to the U-shaped frame 9, so that the U-shaped frame 9 can move back and forth. The positioning plate 13 is slidably connected to the inner wall of the worktable 1. The worktable 1 has a slot corresponding to the positioning plate 13, so that the positioning plate 13 can move back and forth. The trapezoidal block 12 is slidably connected to the inner wall of the worktable 1. The worktable 1 has a slot corresponding to the trapezoidal block 12, so that the trapezoidal block 12 can move vertically. The positioning plate 13 is inserted into the outer wall of the roller 5. The outer side of the roller 5 has an annular groove. When the positioning plate 13 is inserted into the groove, it limits the movement of the roller 5. There are two sets of positioning plates 13, and the two sets of positioning plates 13 are interlocked.

[0038] Working principle: When cleaning roller 5 is required, with the two sets of positioning plates 13 separated, the operator can align roller 5 and insert it into the positioning frame 18. When roller 5 and rotating rod 4 are in the insertion state, the electric telescopic rod 11 moves trapezoidal block 12 downwards. The inclined groove on trapezoidal block 12 pulls the two sets of positioning plates 13 closer together. When the two sets of positioning plates 13 are inserted into the inner wall of the annular groove on roller 5, the roller 5 is limited. Then, the electric telescopic rod 18 moves the electric telescopic rod 1 to extend the roller 5. Rod 8, along with two sets of U-shaped frames 9, brings them closer together, allowing the cleaning brush 10 to adhere to the surface of the roller 5. Then, motor 2 is turned on, causing the rotating rod 4 and roller 5 to rotate. The cleaning brush 10 cleans the surface of the roller 5. When cleaning is complete, the electric telescopic rod 8 separates the two sets of cleaning brushes 10. Then, the electric telescopic rod 11 moves upward, causing the trapezoidal block 12 to move upward. At this time, the inclined groove on the trapezoidal block 12 will squeeze the two sets of positioning plates 13 to separate, releasing the positioning of the roller 5. Then, the roller 5 can be removed.

[0039] When the cleaning brush 10 needs to be replaced, manually move the locking block 16 downwards. The locking block 16 will compress the movable spring 17. When the locking block 16 separates from the slot on the slot 14, manually move the locking block 16 and the limiting block 15 to the right. When the limiting block 15 no longer blocks the cleaning brush 10, the locking block 16 will coincide with the second slot on the slot 14. Manually release the locking block 16, and use the movable spring 17 to engage the locking block 16 into the slot of the slot 14, thus limiting the position of the limiting block 15. When the cleaning brush 10 needs to be installed, manually align the cleaning brush 10 and insert it into the slot of the U-shaped bracket 9. Then, manually move the locking block 16 downwards. When the locking block 16 separates from the slot on the slot 14, manually move the locking block 16 and the limiting block 15 to the left. When the limiting block 15 blocks the cleaning brush 10, the locking block 16 coincides with the slot on the slot 14. Manually release the locking block 16 so that it engages with the slot on the slot 14, thus limiting the limiting block 15.

[0040] 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. A printing press scraper cleaning mechanism, comprising a worktable (1), characterized in that: The top of the workbench (1) is fixedly connected to a motor (2) via a bracket. The output end of the motor (2) is fixedly connected to a rotating rod (4). A roller (5) is inserted into the outer wall of the rotating rod (4). The top of the workbench (1) is fixedly connected to a support column (6). The top of the support column (6) is fixedly connected to a rectangular plate (7). An electric telescopic rod (8) is provided on the inner wall of the rectangular plate (7). A U-shaped frame (9) is fixedly connected to the movable end of the electric telescopic rod (8). A cleaning brush (10) is inserted into the inner wall of the U-shaped frame (9). The top of the workbench (1) is fixedly connected to a positioning frame (18). An active mechanism is provided on the inner wall of the workbench (1). A disassembly assembly is provided on the inner wall of the U-shaped frame (9). The active mechanism includes an electric telescopic rod 2 (11), which is set on the inner wall of the workbench (1). The movable end of the electric telescopic rod 2 (11) is fixedly connected to a trapezoidal block (12), and the inner wall of the trapezoidal block (12) is slidably connected to a positioning plate (13).

2. The ink scraping and cleaning mechanism for a printing press according to claim 1, characterized in that: The disassembly assembly includes a limiting block (15), which is slidably connected to the inner wall of the U-shaped frame (9). The bottom inner wall of the limiting block (15) is elastically connected to a locking block (16) by a movable spring (17). The outer wall of the U-shaped frame (9) is provided with a locking groove (14).

3. The ink scraping and cleaning mechanism for a printing press according to claim 1, characterized in that: The rotating rod (4) is rotatably connected to the inner wall of the fixed plate (3), and the roller (5) is inserted into the inner wall of the positioning frame (18).

4. The ink scraping and cleaning mechanism for a printing press according to claim 1, characterized in that: The U-shaped frame (9) is slidably connected to the inner wall of the rectangular plate (7), and the positioning plate (13) is slidably connected to the inner wall of the workbench (1).

5. The ink scraping and cleaning mechanism for a printing press according to claim 1, characterized in that: The trapezoidal block (12) is slidably connected to the inner wall of the workbench (1), and the positioning plate (13) is inserted into the outer wall of the roller (5).

6. The ink scraping and cleaning mechanism for a printing press according to claim 1, characterized in that: The positioning plate (13) is provided in two sets, and the two sets of positioning plates (13) are interlocked with each other.

7. The ink scraping and cleaning mechanism for a printing press according to claim 2, characterized in that: The card block (16) is engaged with the inner wall of the card slot (14), and the limiting block (15) is inserted into the inner wall of the cleaning brush (10).

8. The ink scraping and cleaning mechanism for a printing press according to claim 2, characterized in that: The card block (16) is slidably connected to the inner wall of the limiting block (15).

Images