Powder removing device of printing machine

Abstract

The utility model discloses a printer powder removing device, and relates to the technical field of printers. The dust removing device of the printing machine comprises a paper conveying plate used for containing paper, a hollow roller erected on the paper conveying plate and a rotary driving part in transmission connection with the hollow roller, the rotary driving part drives the hollow roller to rotate so as to convey the paper on the paper conveying plate, and the hollow roller is provided with a hollow cavity. A plurality of adsorption holes communicating with the hollow cavity are formed in the periphery of the hollow roller, the hollow cavity communicates with a suction assembly, the suction assembly provides negative pressure for the hollow cavity and the adsorption holes, paper carries powder in the printing process, and the powder can be sucked into the hollow cavity through the adsorption holes through the negative pressure and then sucked away through the negative pressure. And the printing quality of paper is improved.

Description

Technical Field

[0001] The present application relates to the technical field of printing machines, and in particular to a powder removal device for a printing machine. Background Art

[0002] During the printing process, the papers at the paper collection area need to be stacked one by one. If there is no powder spraying between the papers, the wet ink of multiple colors will overlap, causing the ink on the surface of the paper to rub against the back of the previous paper, causing the printed paper to be stained with ink and become waste. The role of powder spraying is to isolate the paper from the ink and accelerate the drying of the ink.

[0003] When printing on both sides of a sheet of paper, existing printing presses are unable to remove powder from the paper surface. When the paper is printed on the first side, a layer of powder is sprayed on the paper. After the paper is turned over again, when the printing press prints the back of the paper, the powder on the paper surface will be pressed onto the rubber blanket and printing plate of the printing press due to the printing pressure, causing powder to accumulate on the rubber blanket, affecting the printing quality. Utility Model Content

[0004] The purpose of the present application is to provide a printing press dust collection device, which can improve the printing quality of double-sided printing on paper.

[0005] The embodiment of the present application is implemented as follows:

[0006] An embodiment of the present application provides a powder removal device for a printing press, comprising a paper feed board for placing paper, a hollow roller mounted on the paper feed board, and a rotating drive member connected to the hollow roller, wherein the rotating drive member drives the hollow roller to rotate to transport the paper on the paper feed board, the hollow roller having a hollow chamber, a plurality of adsorption holes connected to the hollow chamber are arranged on the outer periphery of the hollow roller, the hollow chamber is connected to a suction component, and the suction component provides negative pressure to the hollow chamber and the adsorption holes.

[0007] Optionally, as an implementable manner, the suction component includes an air pump and a suction pipe connecting the air pump and the hollow roller.

[0008] Optionally, as an implementable manner, the suction component further includes a powder collection bin disposed in the middle of the suction tube, and powder is collected through the powder collection bin.

[0009] Optionally, as an implementable manner, the outer periphery of the hollow roller is wrapped with flannel, and the paper on the paperboard is contacted through the flannel, and the flannel is provided with first through holes corresponding one-to-one to the adsorption holes.

[0010] Optionally, as an implementable manner, a rubber sleeve is provided on the hollow roller, and the paper on the paperboard is contacted through the rubber sleeve, and the rubber sleeve is provided with second through holes corresponding one-to-one to the adsorption holes.

[0011] Optionally, as an implementable manner, the rotary drive member is connected to the hollow roller via a belt drive.

[0012] Optionally, as an implementable manner, a fixing frame is provided on the paper feed board, and the hollow roller is rotatably mounted on the fixing frame.

[0013] Optionally, as an implementable manner, a lifting adjustment member is provided on the fixing frame, and the distance between the hollow roller and the paperboard is adjusted by the lifting adjustment member.

[0014] Optionally, as an implementable manner, a controller is further included, and the controller is electrically connected to the rotating drive member and the air pump.

[0015] Optionally, as an implementable manner, a speed adjustment button and an air volume adjustment button are provided on the controller.

[0016] The beneficial effects of the embodiments of the present application include:

[0017] The printing press powder removal device provided in the present application includes a paper feed board for placing paper, a hollow roller mounted on the paper feed board, and a rotating drive member connected to the hollow roller. The rotating drive member drives the hollow roller to rotate to transport the paper on the paper feed board. The hollow roller has a hollow chamber. A plurality of adsorption holes connected to the hollow chamber are arranged on the outer periphery of the hollow roller. The hollow chamber is connected to a suction component. The suction component provides negative pressure to the hollow chamber and the adsorption holes. During the printing process, powder will be carried on the paper. The negative pressure can suck the powder into the hollow chamber through the adsorption holes and then sucked away by the negative pressure to improve the printing quality of the paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is one of the structural schematic diagrams of the powder removal device of a printing press provided in an embodiment of the present application;

[0020] Figure 2 This is the second structural schematic diagram of the powder removal device of a printing press provided in an embodiment of the present application.

[0021] Icons: 100-printing machine powder removal device; 110-paper feed board; 120-hollow roller; 121-adsorption hole; 130-rotating drive component; 140-suction component; 141-air pump; 142-suction tube; 143-powder collection bin; 150-fixed frame; 151-lifting adjustment component; 160-controller; 161-speed adjustment button; 162-air volume adjustment button. DETAILED DESCRIPTION

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0024] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. In addition, the terms "first," "second," "third," etc. are used only to distinguish the descriptions and are not to be understood as indicating or implying relative importance.

[0025] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0026] Please refer to Figure 1This embodiment provides a powder removal device 100 for a printing press, including a paper feed board 110 for placing paper, a hollow roller 120 mounted on the paper feed board 110, and a rotating drive member 130 that is transmission-connected to the hollow roller 120. The rotating drive member 130 drives the hollow roller 120 to rotate to transport the paper on the paper feed board 110. The hollow roller 120 has a hollow chamber. A plurality of adsorption holes 121 connected to the hollow chamber are arranged on the outer periphery of the hollow roller 120. The hollow chamber is connected to a suction component 140, and the suction component 140 provides negative pressure to the hollow chamber and the adsorption holes 121.

[0027] Specifically, when using the printing press powder removal device 100 of the present application, when it is necessary to print on both sides of the paper, after the front side printing is completed, when it is necessary to print the back side, the paper is transferred to the paper feed board 110. At this time, there is powder on the back side of the paper. The hollow roller 120 is driven to rotate by the rotating drive member 130, and the outer periphery of the hollow roller 120 contacts the paper on the paper feed board 110 to transfer the paper on the paper feed board 110. During the transmission process, the suction component 140 is opened, and the suction component 140 provides negative pressure to the hollow chamber and the adsorption hole 121 to absorb the powder on the back side of the paper to ensure the printing quality of the back side of the paper, thereby improving the printing quality of double-sided printing of the paper.

[0028] The printing press powder removal device 100 provided in the present application includes a paper feed board 110 for placing paper, a hollow roller 120 mounted on the paper feed board 110, and a rotating drive member 130 that is transmission-connected to the hollow roller 120. The rotating drive member 130 drives the hollow roller 120 to rotate to transport the paper on the paper feed board 110. The hollow roller 120 has a hollow chamber. A plurality of adsorption holes 121 connected to the hollow chamber are arranged on the outer periphery of the hollow roller 120. The hollow chamber is connected to a suction component 140. The suction component 140 provides negative pressure to the hollow chamber and the adsorption holes 121. During the printing process, powder will be carried on the paper. The negative pressure can suck the powder into the hollow chamber through the adsorption holes 121 and then sucked away by the negative pressure, so as to improve the printing quality of the paper.

[0029] In a possible embodiment of the present application, Figure 1 As shown, the suction assembly 140 includes an air pump 141 and a suction pipe 142 connecting the air pump 141 and the hollow roller 120 .

[0030] Specifically, when using the printing press powder removal device 100 of the present application, when it is necessary to print on both sides of the paper, after the front side printing is completed, when it is necessary to print the back side, the paper is transferred to the paper feed board 110. At this time, there is powder on the back side of the paper. The hollow roller 120 is driven to rotate by the rotating driving member 130, and the outer periphery of the hollow roller 120 contacts the paper on the paper feed board 110 to transfer the paper on the paper feed board 110. During the transmission process, the air pump 141 is turned on, and the air pump 141 generates negative pressure by suction. The negative pressure can suck the powder into the hollow chamber through the adsorption hole 121 and then sucked away from the hollow chamber by the suction pipe 142 to improve the printing quality of the paper.

[0031] In a possible embodiment of the present application, Figure 1 As shown, the suction assembly 140 further includes a powder collection bin 143 disposed in the middle of the suction pipe 142 , through which powder is collected.

[0032] Specifically, when using the printing press powder removal device 100 of the present application, when it is necessary to print on both sides of the paper, after the front side printing is completed, when it is necessary to print the back side, the paper is transferred to the paper feed board 110. At this time, there is powder on the back side of the paper. The hollow roller 120 is driven to rotate by the rotating driving member 130, and the outer periphery of the hollow roller 120 contacts the paper on the paper feed board 110 to transfer the paper on the paper feed board 110. During the transmission process, the air pump 141 is turned on, and the air pump 141 generates negative pressure by suction. The negative pressure can suck the powder into the hollow chamber through the adsorption hole 121 and then suck it from the hollow chamber into the powder collection bin 143 through the suction pipe 142 to avoid the powder from being dispersed in the workshop and affecting the workshop environment.

[0033] In a possible embodiment of the present application, Figure 1 As shown, the outer periphery of the hollow roller 120 is wrapped with flannel cloth, and the paper on the paperboard 110 is contacted through the flannel cloth. The flannel cloth is provided with first through holes corresponding to the adsorption holes 121 one by one.

[0034] Specifically, flannel is wrapped on the hollow roller 120, and the hollow roller 120 is driven to rotate by the rotating driving member 130. The flannel on the hollow roller 120 rotates with the hollow roller 120 to increase the friction between the hollow roller 120 and the paper on the paper feed board 110, thereby ensuring the transportation stability of the paper on the paper feed board 110. When using the printing press powder removal device 100 of the present application, when it is necessary to print on both sides of the paper, after the front side printing is completed, when it is necessary to print the back side, the paper is transferred to the paper feed board 110. At this time, there is powder on the back side of the paper. The hollow roller 120 is driven to rotate by the rotating driving member 130, and the flannel on the outer periphery of the hollow roller 120 contacts the paper on the paper feed board 110 to transfer the paper on the paper feed board 110. During the transmission process, the air pump 141 is turned on, and the air pump 141 generates negative pressure by suction. The negative pressure can suck the powder into the hollow chamber through the adsorption hole 121 and then suck it from the hollow chamber into the powder collection bin 143 through the suction pipe 142 to improve the printing quality of the paper.

[0035] In a possible embodiment of the present application, Figure 1 As shown, the hollow roller 120 is covered with a rubber sleeve, and contacts the paper on the paperboard 110 through the rubber sleeve. The rubber sleeve is provided with second through holes corresponding to the adsorption holes 121 one by one.

[0036] Specifically, a rubber sleeve is wrapped around the hollow roller 120, and the hollow roller 120 is driven to rotate by the rotating driving member 130. The rubber sleeve on the hollow roller 120 rotates with the hollow roller 120 to increase the friction between the hollow roller 120 and the paper on the feed paper board 110, thereby ensuring the transportation stability of the paper on the feed paper board 110. When using the printing press powder removal device 100 of the present application, when it is necessary to print on both sides of the paper, after the front side printing is completed, when it is necessary to print the back side, the paper is transferred to the paper feed board 110. At this time, there is powder on the back side of the paper. The hollow roller 120 is driven to rotate by the rotating driving member 130, and the rubber sleeve on the outer periphery of the hollow roller 120 contacts the paper on the paper feed board 110 to transfer the paper on the paper feed board 110. During the transmission process, the air pump 141 is turned on, and the air pump 141 generates negative pressure by suction. The negative pressure can suck the powder into the hollow chamber through the adsorption hole 121 and then suck it from the hollow chamber into the powder collection bin 143 through the suction pipe 142 to improve the printing quality of the paper.

[0037] In a possible embodiment of the present application, Figure 1 As shown, the rotary driving member 130 is connected to the hollow roller 120 via a belt transmission.

[0038] Specifically, when using the printing press powder removal device 100 of the present application, when it is necessary to print on both sides of the paper, after the front side printing is completed, when it is necessary to print the back side, the paper is transferred to the paper feed board 110. At this time, there is powder on the back side of the paper. The rotating drive member 130 drives the hollow roller 120 to rotate through the belt. The outer periphery of the hollow roller 120 contacts the paper on the paper feed board 110 to transfer the paper on the paper feed board 110. During the transmission process, the suction component 140 is opened, and the suction component 140 provides negative pressure to the hollow chamber and the adsorption hole 121 to absorb the powder on the back side of the paper to ensure the printing quality of the back side of the paper, thereby improving the printing quality of double-sided printing of the paper.

[0039] In a possible embodiment of the present application, Figure 1 and Figure 2 As shown, a fixing frame 150 is provided on the paper feed board 110 , and the hollow roller 120 is rotatably mounted on the fixing frame 150 .

[0040] Furthermore, a lifting adjustment member 151 is provided on the fixing frame 150 , and the distance between the hollow roller 120 and the paper feed board 110 is adjusted by the lifting adjustment member 151 .

[0041] Specifically, when assembling the printing press powder removal device 100 of the present application, the hollow roller 120 is mounted on the fixing frame 150 , and then the lifting adjustment member 151 is adjusted so that the hollow roller 120 can contact the paper on the paperboard 110 .

[0042] In a possible embodiment of the present application, Figure 1 As shown, the controller 160 is further included, and the controller 160 is electrically connected to the rotation driving member 130 and the air pump 141.

[0043] Furthermore, the controller 160 is provided with a speed adjustment button 161 and an air volume adjustment button 162 .

[0044] Specifically, when using the printing press powder removal device 100 of the present application, when it is necessary to print on both sides of the paper, after the front side printing is completed, when it is necessary to print the back side, the paper is transferred to the paper feed board 110. At this time, there is powder on the back side of the paper. The controller 160 controls the rotary drive member 130 to drive the hollow roller 120 to rotate, and the outer periphery of the hollow roller 120 contacts the paper on the paper feed board 110 to transfer the paper on the paper feed board 110. During the transmission process, the air pump 141 is turned on, and the controller 160 controls the air pump 141 to suck and generate negative pressure. The negative pressure can suck the powder into the hollow chamber through the adsorption hole 121 and then sucked away from the hollow chamber by the suction pipe 142. The speed of the rotary drive member 130 is adjusted by the speed adjustment button 161, and the negative pressure of the air pump 141 is adjusted by the air volume adjustment button 162 to improve the printing quality of the paper.

[0045] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A powder removal device for a printing press, characterized in that: It includes a paper feed board for placing paper, a hollow roller mounted on the paper feed board, and a rotating drive member connected to the hollow roller. The rotating drive member drives the hollow roller to rotate to transport the paper on the paper feed board. The hollow roller has a hollow cavity. The outer periphery of the hollow roller is provided with multiple adsorption holes connected to the hollow cavity. The hollow cavity is connected to a suction component, and the suction component provides negative pressure to the hollow cavity and the adsorption holes.

2. The powder removal device of a printing press according to claim 1, characterized in that: The suction component includes an air pump and a suction pipe connecting the air pump and the hollow roller.

3. The powder removal device of a printing press according to claim 2, characterized in that: The suction assembly further comprises a powder collection bin arranged in the middle of the suction pipe, through which powder is collected.

4. The powder removal device for a printing press according to claim 1, characterized in that: The outer periphery of the hollow roller is wrapped with flannel, and the paper on the paperboard is contacted through the flannel. The flannel is provided with first through holes corresponding to the adsorption holes one by one.

5. The powder removal device for a printing press according to claim 1, characterized in that: The hollow roller is covered with a rubber sleeve, and contacts the paper on the paper feed board through the rubber sleeve. The rubber sleeve is provided with second through holes corresponding to the adsorption holes one by one.

6. The powder removal device for a printing press according to claim 1, characterized in that: The rotary driving member is connected to the hollow roller via a belt transmission.

7. The powder removal device for a printing press according to claim 1, characterized in that: A fixing frame is provided on the paper feed board, and the hollow roller is rotatably mounted on the fixing frame.

8. The powder removal device for a printing press according to claim 7, characterized in that: The fixing frame is provided with a lifting adjustment member, and the distance between the hollow roller and the paperboard is adjusted by the lifting adjustment member.

9. The powder removal device for a printing press according to claim 2, characterized in that: The device further comprises a controller which is electrically connected to the rotary drive member and the air pump.

10. The powder removal device of a printing press according to claim 9, characterized in that: The controller is provided with a rotation speed adjustment button and an air volume adjustment button.

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