Tension adjusting device of flexo printing machine

Abstract

The tension adjusting device of the flexo printing machine comprises an adjusting frame body and a magnetic brake, two air guide hoods are arranged on the side wall of the adjusting frame body, a cooling mechanism used for reducing the temperature of the magnetic brake is arranged on the two air guide hoods, and the cooling mechanism comprises an installation plate fixedly connected to the side walls of the two air guide hoods. And a plurality of axial fans are arranged on the mounting plate. The cooling mechanism is arranged, air can be led into the two air guide covers through the multiple axial fans, the air flows along the two sides of the magnetic brake, a large amount of heat generated by long-time work of the magnetic brake can be taken away, and the performance and the service life of the magnetic brake are prevented from being affected by overheating.

Description

Technical Field

[0001] The utility model relates to the technical field of flexographic printing press components, in particular to a tension adjusting device for a flexographic printing press. Background Art

[0002] The flexographic printing press is an outstanding representative of modern printing technologies and plays an important role in fields such as packaging printing, label printing, and corrugated paper printing. The flexographic printing press transfers ink to the flexible printing plate through an anilox roll. The raised graphic part on the printing plate is coated with ink, and then it contacts the printing substrate, and under the action of pressure, the ink is transferred to the surface of the printing substrate to complete the printing process.

[0003] The flexographic printing press mainly includes a unwind mechanism, a unwind traction mechanism, etc. The unwind mechanism is mainly composed of a frame, a magnetic tension brake, etc. The traditional magnetic tension brake is directly arranged on the frame. Since the magnetic tension brake needs to work continuously, it generates a large amount of heat. The workshop uses natural heat dissipation to dissipate heat, but the natural heat dissipation of the magnetic tension brake has a poor heat dissipation effect, and the high temperature affects its performance and service life. Therefore, it is necessary to design a tension adjusting device for a flexographic printing press to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a tension adjusting device for a flexographic printing press is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The tension adjusting device for a flexographic printing press includes an adjusting frame main body and a magnetic brake. Two air guide covers are arranged on the side wall of the adjusting frame main body. A cooling mechanism for reducing the temperature of the magnetic brake is arranged on the two air guide covers. The cooling mechanism includes a mounting plate fixedly connected to the side walls of the two air guide covers. A plurality of axial fans are arranged on the mounting plate. A dust-proof mechanism for preventing dust from adhering to the magnetic brake is arranged on the mounting plate.

[0007] Preferably, the dust-proof mechanism includes a dust-proof cover fixedly connected to the mounting plate. A mounting frame is installed on the side wall of one of the air guide covers. A cleaning mechanism for cleaning the dust-proof cover is arranged on the side wall of the mounting frame.

[0008] Preferably, the cleaning mechanism includes a mounting frame fixedly connected to the side wall of the mounting frame. A reciprocating lead screw is arranged in the mounting frame. A moving plate is arranged on the reciprocating lead screw. A hand wheel is fixedly connected to the side wall of the reciprocating lead screw. An air suction cover is arranged on the side wall of the moving plate. Brush plates are fixedly connected to both side walls of the air suction cover.

[0009] Preferably, a vacuum cleaner is installed on the adjusting frame main body. The air suction end of the vacuum cleaner is communicated with the air suction cover through an air suction pipe.

[0010] Preferably, an air outlet pipe is connected to the air outlet end of the vacuum cleaner, and a mounting ring is fixedly connected to the side wall of the air outlet pipe, and a dust removal filter cartridge is provided on the side wall of the mounting ring.

[0011] Preferably, a plurality of heat dissipation fins are fixedly connected to the side wall of the air guide cover, and a motor is fixedly connected to the side wall of the mounting frame.

[0012] The utility model has the following beneficial effects:

[0013] 1. The device is provided with a cooling mechanism, which can introduce air into the two air guide covers through a plurality of axial flow fans, so that the air flows along both sides of the magnetic brake, and can take away a large amount of heat generated by the long-term operation of the magnetic brake to prevent overheating from affecting its performance and service life;

[0014] 2. The device is provided with a dust-proof mechanism, which can protect the axial flow fans from dust, and avoid dust and sundries being blown onto the magnetic brake due to the fast air flow rate, affecting its heat dissipation, etc.;

[0015] 3. The device is provided with a cleaning mechanism, which can scrape off the dust accumulated on the dust-proof cover by rotating the reciprocating lead screw and moving the brush plate, thereby solving the problem that the dust accumulates quickly on the dust-proof cover due to the fast air flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a tension adjusting device of a flexographic printing press proposed by the utility model;

[0017] Figure 2 is Figure 1 an enlarged view of the structure at A of;

[0018] Figure 3 is a side view of a tension adjusting device of a flexographic printing press proposed by the utility model;

[0019] Figure 4 is another side view of a tension adjusting device of a flexographic printing press proposed by the utility model.

[0020] In the figure: 1 adjusting frame main body, 2 magnetic brake, 3 air guide cover, 4 axial flow fan, 5 dust-proof cover, 6 mounting frame, 7 mounting frame, 8 hand wheel, 9 motor, 10 moving plate, 11 suction hood, 12 brush plate, 13 reciprocating lead screw, 14 vacuum cleaner, 15 air outlet pipe, 16 mounting ring, 17 dust removal filter cartridge. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] Refer to Figures 1-4 , a tension adjusting device of a flexographic printing press, comprising a main adjusting frame 1 and a magnetic brake 2. Two air guide covers 3 are arranged on the side wall of the main adjusting frame 1, and a temperature reduction mechanism for reducing the temperature of the magnetic brake 2 is arranged on the two air guide covers 3. The temperature reduction mechanism comprises a mounting plate fixedly connected to the side walls of the two air guide covers 3, and a plurality of axial flow fans 4 are arranged on the mounting plate. The air guide cover 3 is made of iron.

[0023] A dust-proof mechanism for preventing dust from adhering to the magnetic brake 2 is arranged on the mounting plate. The dust-proof mechanism comprises a dust-proof cover 5 fixedly connected to the mounting plate, and a mounting frame 6 is installed on the side wall of one of the air guide covers 3.

[0024] A cleaning mechanism for cleaning the dust-proof cover 5 is arranged on the side wall of the mounting frame 6. The cleaning mechanism comprises a mounting frame 7 fixedly connected to the side wall of the mounting frame 6. A reciprocating lead screw 13 is arranged in the mounting frame 7. A moving plate 10 is arranged on the reciprocating lead screw 13. A hand wheel 8 is fixedly connected to the side wall of the reciprocating lead screw 13. A suction hood 11 is arranged on the side wall of the moving plate 10. Brush plates 12 (the details of the bristles are not shown in the figure) are fixedly connected to both side walls of the suction hood 11.

[0025] In the present utility model, a dust collector 14 is installed on the main adjusting frame 1. The suction end of the dust collector 14 is communicated with the suction hood 11 through a suction pipe, and the generated dust can be sucked away to avoid the dust still accumulating on the dust-proof cover 5 after falling.

[0026] In the present utility model, an air outlet pipe 15 is communicated with the air outlet end of the dust collector 14. A mounting ring 16 is fixedly connected to the side wall of the air outlet pipe 15. A dust removal filter cartridge 17 is arranged on the side wall of the mounting ring 16, and the sucked dust can be collected to avoid a lot of dust in the workshop.

[0027] In the present utility model, a plurality of heat dissipation fins are fixedly connected to the side wall of the air guide cover 3, and part of the heat can be dissipated into the air to improve the heat dissipation effect of the magnetic brake 2. A motor 9 is fixedly connected to the side wall of the mounting frame 7, and the reciprocating lead screw does not need to be rotated manually.

[0028] During use, when the magnetic brake 2 is started, a plurality of axial flow fans 4 can be started. The plurality of axial flow fans 4 introduce air into the two air guide covers 3. During the rapid flow of air in the two air guide covers 3, the air flows along both sides of the magnetic brake 2, and a large amount of heat generated by the long-term operation of the magnetic brake 2 can be taken away to prevent overheating from affecting its performance and service life;

[0029] By rotating the hand wheel 8, the reciprocating lead screw 13 can be rotated, and the moving plate 10 drives the two brush plates 12 to move, and the dust accumulated on the dust-proof cover 5 can be scraped off to solve the problem that the dust accumulates quickly on the dust-proof cover 5 due to the fast air flow.

[0030] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and practical concept of the present utility model, making equivalent replacements or changes should be covered within the protection scope of the present utility model.

Claims

1. A tension adjustment device for a flexographic printing press, comprising an adjustment frame body (1) and a magnetic brake (2), characterized in that: The side wall of the regulating frame body (1) is provided with two air guide covers (3), and the two air guide covers (3) are provided with a cooling mechanism for reducing the temperature of the magnetic brake (2), the cooling mechanism comprising a mounting plate fixedly connected to the side walls of the two air guide covers (3), a plurality of axial flow fans (4) are provided on the mounting plate, and a dustproof mechanism for preventing dust from adhering to the magnetic brake (2) is provided on the mounting plate.

2. The tension adjustment device for a flexographic printing press according to claim 1, characterized in that: The dustproof mechanism comprises a dust cover (5) fixedly connected to a mounting plate, wherein a mounting frame (6) is mounted on one side wall of the air guide cover (3), and a cleaning mechanism for cleaning the dust cover (5) is disposed on the side wall of the mounting frame (6).

3. The tension adjustment device for a flexographic printing press according to claim 2, characterized in that: The cleaning mechanism comprises a mounting frame (7) fixedly connected to the side wall of the mounting frame (6), a reciprocating screw (13) is arranged in the mounting frame (7), a movable plate (10) is arranged on the reciprocating screw (13), a hand wheel (8) is fixedly connected to the side wall of the reciprocating screw (13), an air suction hood (11) is arranged on the side wall of the movable plate (10), and brush plates (12) are fixedly connected to both side walls of the air suction hood (11).

4. The tension adjustment device for a flexographic printing press according to claim 3, characterized in that: A dust collector (14) is installed on the adjustment frame body (1), and the suction end of the dust collector (14) is connected to the suction hood (11) through a suction pipe.

5. The tension adjustment device for a flexographic printing press according to claim 4, characterized in that: The air outlet end of the vacuum cleaner (14) is connected to an air outlet pipe (15), a mounting ring (16) is fixedly connected to the side wall of the air outlet pipe (15), and a dust removal filter cartridge (17) is provided on the side wall of the mounting ring (16).

6. The tension adjustment device for a flexographic printing press according to claim 3, characterized in that: A plurality of heat sinks are fixedly connected to the side wall of the air guide cover (3), and a motor (9) is fixedly connected to the side wall of the installation frame (7).

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