Air suction platform of digital printing machine

Abstract

The air suction platform of the digital printing machine comprises a belt and an air bellow arranged in the belt, the upper side of the air bellow is opened, a plurality of through holes are formed in the belt, an air pipe is arranged in the air bellow in a penetrating mode, one end of the air pipe extends to the inner side wall of the air bellow and then is closed, and the other end of the air pipe is closed. Two or more partition plates are arranged in the air bellow to divide the interior of the air bellow into an air suction groove, and ventilation holes are formed in the top face and the side face, located in the air suction groove, of the air pipe. According to the conveying belt structure of the rotary printing machine, through the arrangement of the air bellow and the through holes in the belt, negative pressure can be effectively generated on the belt to adsorb corrugated paper, and then the corrugated paper is positioned during printing.

Description

Technical Field

[0001] This utility model relates to a digital printing machine, and more specifically to a suction platform for a digital printing machine. Background Technology

[0002] To prevent corrugated paper from shifting during printing, current digital printing presses use a suction platform below the printing carriage. This platform generates negative pressure to position the corrugated paper. The existing suction platform mainly consists of a bellows, which draws air from the bellows using an external suction device to create negative pressure. However, the existing bellows are generally large, and their structure has insufficient internal support. When dealing with heavy paper, the conveyor belt above may not be able to support the paper, thus hindering proper positioning. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a suction platform for a digital printing machine with stronger support.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A suction platform for a digital printing machine includes a belt and a blower box disposed within the belt. The upper side of the blower box is openable, and several through holes are provided on the belt. An air duct is inserted inside the blower box, one end of which extends to the inner wall of the blower box and is then closed, while the other end is connected to an external fan via an air duct adapter.

[0005] As a further improvement of this utility model, the bellows is provided with two or more partitions to divide the interior of the bellows into air intake channels, and the air duct is provided with ventilation holes on the top and side surfaces of the air intake channels.

[0006] As a further improvement of this utility model, the partition includes a plate and a sliding rod. The two ends of the sliding rod are fixedly installed on the inner side wall of the air box, and the plate is slidably disposed on the sliding rod so as to slide relative to, opposite to, or in the same direction within the air box to change the size and position of the air intake channel.

[0007] As a further improvement of this utility model, a lead screw is rotatably inserted inside the bellows, and a lead screw nut is provided on the partition plate. The lead screw nut is fitted onto the lead screw and is threadedly connected to the lead screw.

[0008] As a further improvement of this utility model, a number of bellows support rods are arranged on the upper side of the bellows, and the number of bellows support rods form a fence structure on the upper side of the bellows.

[0009] The beneficial effects of this invention are as follows: The suction platform of this digital printing machine, through the arrangement of a bellows, ducts, and suction slots, utilizes the suction force generated by a fan to effectively adsorb printing materials, keeping them stable during the printing process and preventing print quality from being affected by shaking or displacement. The use of ducts running through the bellows provides additional support, giving the suction platform stronger support and making it suitable for printing heavier paper. Attached Figure Description

[0010] Figure 1 This is an overall structural diagram of the suction platform of the digital printing machine of this utility model;

[0011] Figure 2 for Figure 1 Overall structural diagram of the middle air box. Detailed Implementation

[0012] The present invention will now be described in further detail with reference to the embodiments shown in the accompanying drawings.

[0013] Reference Figure 1 As shown, the suction platform of a digital printing machine in this embodiment includes a belt 21 and an air box 22 disposed within the belt 21. The upper side of the air box 22 is open. The belt 21 has several through holes. An air duct 23 passes through the air box 22. One end of the air duct 23 extends to the inner wall of the air box 22 and is then closed. The other end is connected to an external fan via an air duct adapter. The air box 22 has two or more partitions 24 that divide the interior into suction slots. Ventilation holes are provided on the top and side surfaces of the air duct 23 within the suction slots. The external fan draws air from the air box 22 through the air duct 23 to generate negative pressure, which in turn sucks up the corrugated paper on the conveyor belt 2. This ensures the stability of the conveyor belt 2 during the printing of the corrugated paper. Furthermore, the structure of the air duct 23 running through the entire air box 23 enhances the support strength of the top of the air box 22, making it suitable for corrugated paper with greater weight.

[0014] Furthermore, this embodiment provides a partition 24 structure, which includes a plate 241 and a slide rod 242. Both ends of the slide rod 242 are fixedly mounted on the inner wall of the air box 22. The plate 241 is slidably disposed on the slide rod 242, allowing it to slide relative to, opposite to, or in the same direction within the air box 22, thereby changing the size and position of the suction channel. By moving the position of the plate 241 on the slide rod 242, the size and position of the suction channel are changed, thus adjusting the direction and intensity of the suction. This allows for flexible adjustment of the suction state of the air box 22 according to the corrugated paper, ensuring reliability during printing.

[0015] Furthermore, this embodiment provides a structure to drive the movement of the partition 24, wherein a lead screw is rotatably inserted inside the bellows 22, and a lead screw nut is provided on the partition 24. The lead screw nut is fitted onto the lead screw and threadedly connected to it. Rotating the lead screw causes the lead screw nut to move the partition 24 on the slide bar 242. This achieves precise control of the movement of the partition 24 and simplifies operation.

[0016] Furthermore, a plurality of bellows support rods 25 are arranged on the upper side of the bellows 22, forming a fence structure on the upper side of the bellows. The fence structure formed by the bellows support rods 25 supports the belt 21 and prevents the belt 21 from sinking due to stress. This provides stronger support.

[0017] In summary, the suction platform of the digital printing machine in this embodiment utilizes the air duct 23 inserted inside the air box 22 to not only suck up the corrugated paper, but also to provide sufficient support to the belt 21.

[0018] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A suction platform for a digital printing machine, characterized in that: It includes a belt (21) and a bellows (22) set inside the belt (21). The upper side of the bellows (22) is open. The belt (21) has several through holes. A duct (23) is installed inside the bellows (22). One end of the duct (23) extends to the inner wall of the bellows (22) and is then closed. The other end is connected to an external fan through a duct adapter.

2. The suction platform of the digital printing machine according to claim 1, characterized in that: The air box (22) is provided with two or more partitions (24) to divide the interior of the air box (22) into air intake slots. The air duct (23) is located in the air intake slot and has ventilation holes on the top and side surfaces.

3. The suction platform of the digital printing machine according to claim 2, characterized in that: The partition (24) includes a plate (241) and a slide rod (242). The two ends of the slide rod (242) are fixedly installed on the inner side wall of the wind box (22). The plate (241) is slidably arranged on the slide rod (242) so as to slide relative to, opposite to or in the same direction within the wind box (22) to change the size and position of the air intake slot.

4. The suction platform of the digital printing machine according to claim 2, characterized in that: A lead screw is rotatably inserted inside the bellows (22), and a lead screw nut is provided on the partition plate (24). The lead screw nut is fitted onto the lead screw and is threadedly connected to the lead screw.

5. The suction platform of the digital printing machine according to any one of claims 1 to 3, characterized in that: The upper side of the bellows (22) is provided with a number of bellows support rods (25), and the number of bellows support rods (25) forms a fence structure on the upper side of the bellows.

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