Double-brush guide belt cleaning device of digital printing machine

Abstract

The utility model discloses a digital printing machine double-brush guide belt cleaning device which is located below a guide belt on a guide belt support, the cleaning device comprises a cleaning frame, two guide rails are arranged at the bottom of the cleaning frame, the guide rails are connected with the guide belt support in a sliding mode, two brush rollers are connected to the cleaning frame in a rotating mode, and the two brush rollers are connected with the cleaning frame in a sliding mode. The cleaning frame is provided with two brush rollers, the two brush rollers are independently connected with driving equipment, two spraying pipes are arranged in the cleaning frame and located on the two sides of the two brush rollers, the spraying pipes are provided with a plurality of nozzles, the cleaning frame is provided with a plurality of water absorption rollers, the water absorption rollers are wrapped with water absorption layers, and the water absorption layers are arranged on the water absorption rollers. A water squeezing roller in squeezing contact with the water absorbing layer is arranged below the water absorbing roller, a filtering device is arranged at the bottom of the front end of the cleaning frame, a lifting mechanism is arranged between the cleaning frame and the guide belt support, and the cleaning effect on the guide belt is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of guide belt cleaning of printing machines, and more specifically relates to a double-brush guide belt cleaning device for digital printing machines. Background Technique

[0002] At present, only one brush roller and one water spray pipe are provided in the guide belt cleaning mechanism of most digital printing machines, and the cleaning effect on the guide belt is poor. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a double-brush guide belt cleaning device for digital printing machines, which improves the cleaning effect on the guide belt.

[0004] To achieve the above object, the utility model provides the following technical solution: A double-brush guide belt cleaning device for digital printing machines, the cleaning device is located below the guide belt on the guide belt bracket, the cleaning device includes a cleaning frame, two guide rails are provided at the bottom of the cleaning frame, and the guide rails are slidably connected to the guide belt bracket. Two brush rollers are rotatably connected to the cleaning frame, and the two brush rollers are separately connected to driving equipment. Two spray pipes are arranged in the cleaning frame, the two spray pipes are located on both sides of the two brush rollers, a plurality of nozzles are arranged on the spray pipes, a plurality of water absorption rollers are arranged on the cleaning frame, a water absorption layer is coated on the water absorption rollers, and a water squeezing roller in pressing contact with the water absorption layer is arranged below the water absorption rollers. A filtering device is arranged at the front bottom of the cleaning frame, and a lifting mechanism is arranged between the cleaning frame and the guide belt bracket.

[0005] Further, the lifting mechanism includes a lifting cylinder and a jacking plate, the jacking plate is connected to the piston rod of the lifting cylinder, and the jacking plate is located below the cleaning frame.

[0006] Further, fixing pieces are arranged at the bottom of the cleaning frame, fixing blocks corresponding to the fixing pieces are arranged on the jacking plate, jacking holes are arranged on the fixing pieces, fixing holes corresponding to the jacking holes are arranged on the fixing blocks, fixing pins are arranged on the fixing holes, and the fixing pins pass through the jacking holes.

[0007] Further, a support block is arranged between the cleaning frame and the guide rail, the upper and lower sides of the support block are respectively abutted against the cleaning frame and the guide rail, and a limiting mechanism is arranged between the support block and the guide rail.

[0008] Further, the limiting mechanism includes a "U"-shaped limiting plate connected to the guide rail, through holes corresponding to both sides of the limiting plate are arranged on the support block, both sides of the limiting plate pass through the through holes, and a bolt is threadedly connected to the support block, and the bolt extends out of the support block and abuts against the bottom of the limiting plate.

[0009] Further, a support beam is provided on the cleaning frame. The support beam is horizontally arranged between the two guide rails and abuts above the support block. One side of the limit plate extends upward to form a baffle. Two support blocks and limit plates are provided on the same guide rail, and the baffles on the two limit plates are respectively located on both sides of the cross beam.

[0010] Further, the guide rail is in a "C" shape. A roller is provided on the guide belt bracket. The roller is located inside the guide rail, and the diameter of the roller is smaller than the internal height of the guide rail. When the cleaning frame slides, the roller contacts the upper surface of the guide rail, and there is a gap between the roller and the lower surface of the guide rail at this time.

[0011] Further, auxiliary support wheels are provided on both sides of the cleaning frame, and a support plate corresponding to the auxiliary support wheels is provided on the guide belt bracket.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: When the cleaning frame extends in, the lifting mechanism jacks up the cleaning frame so that the brush rollers and the water absorption rollers on the cleaning frame are both in contact with the guide belt. When the guide belt runs, the driving device drives the brush rollers to rotate, the nozzles spray cleaning liquid onto the guide belt, and the water absorption rollers at the rear absorb the sewage on the guide belt, thereby realizing the cleaning of the guide belt. The double brushes can improve the cleaning effect of the guide belt; during maintenance, lower the cleaning frame and pull out the cleaning frame, which is convenient for maintaining the brush rollers, the water absorption rollers, the filtering device, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a front structural schematic diagram of the double-brush guide belt cleaning device of the digital printing machine of the present utility model;

[0014] Figure 2 is a side structural schematic diagram of the double-brush guide belt cleaning device of the digital printing machine of the present utility model (device extraction state);

[0015] Figure 3 and Figure 4 are respectively Figure 3 partial enlarged views;

[0016] Figure 5 is a top structural schematic diagram of the double-brush guide belt cleaning device of the digital printing machine of the present utility model;

[0017] Figure 6 is Figure 1 the enlarged view of part A in

[0018] Figure 7 is Figure 1 the enlarged view of part B in

[0019] Figure 8 is Figure 3 the enlarged view of part C in

[0020] Fig. 9 for Figure 5 Enlarged view of part D in the middle.

[0021] Figure numerals: guide belt bracket 1; cleaning frame 2; guide rail 3; brush roller 4; spray pipe 5; water suction roller 6; water squeezing roller 7; scraper mechanism 8; lifting cylinder 9; lifting plate 10; fixing plate 11; fixing block 12; plug hole 13; fixing hole 14; fixing pin 15; support block 16; limit plate 17; through hole 18; bolt 19; support beam 20; baffle 21; roller 22; auxiliary support wheel 23; support plate 24; filtering device 25. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0024] Reference Figures 1 to 9 The utility model is further described.

[0025] A double-brush guide belt cleaning device for a digital printing machine, the cleaning device is located below the guide belt on the guide belt bracket 1, the cleaning device includes a cleaning frame 2, two guide rails 3 are arranged at the bottom of the cleaning frame 2, the guide rails 3 are slidably connected to the guide belt bracket 1, two brush rollers 4 are rotatably connected to the cleaning frame 2, and the two brush rollers 4 are separately connected to a driving device, two spray pipes 5 are arranged in the cleaning frame 2, the two spray hangers are located on both sides of the two brush rollers 4, a plurality of nozzles are arranged on the spray pipe 5, a plurality of water absorption rollers 6 are arranged on the cleaning frame 2, the water absorption rollers 6 are coated with a water absorption layer, a water squeezing roller 7 which is in extrusion contact with the water absorption layer is arranged below the water absorption roller 6, a filtering device 25 is arranged at the bottom of the front end of the cleaning frame 2, and a lifting mechanism 9 is arranged between the cleaning frame 2 and the guide belt bracket 1.

[0026] like Figures 1 to 9 As shown, when the cleaning frame 2 is extended, the lifting mechanism 9 lifts the cleaning frame 2, so that the brush roller 4 and the water absorption roller 6 on the cleaning frame 2 are in contact with the guide belt. When the guide belt is running, the driving device drives the brush roller 4 to rotate, and the nozzle sprays the cleaning liquid to the guide belt. The water absorption roller 6 at the rear absorbs the sewage on the guide belt, thereby achieving the cleaning of the guide belt. The double brushes can improve the cleaning effect of the guide belt.

[0027] During maintenance, lower the cleaning frame 2 and pull out the cleaning frame 2 (such as Figure 2 As shown), it is convenient to maintain the brush roller 4, the water suction roller 6 and the filtering device 25.

[0028] In this embodiment, preferably, the numbers of circumferential brush bundles of the two brush rollers 4 are different, that is, one of the brush rollers 4 is sparse and the other is dense, and the outer brush roller 4 is sparse.

[0029] like Figure 3 As shown, in the present embodiment, preferably, a scraper mechanism 8 is arranged between the brush roller 4 and the water-absorbing roller 6, and the scraper mechanism 8 includes a rubber scraper and a scraper bracket, and a spring is arranged between the scraper bracket and the cleaning frame 2, and the rubber scraper is used to scrape off the moisture on the guide belt, and the rubber scraper can be tightly attached to the guide belt through the spring.

[0030] like Figure 7 As shown, in the preferred embodiment, the lifting mechanism 9 includes a lifting cylinder and a lifting plate 10, the lifting plate 10 is connected to the piston rod of the lifting cylinder, the lifting plate 10 is located below the cleaning frame 2, and the lifting cylinder can drive the lifting plate 10 to realize the lifting and lowering of the cleaning frame 2.

[0031] like Figure 8 As shown, in the present embodiment, preferably, a fixing plate 11 is provided at the bottom of the cleaning frame 2, a fixing block 12 corresponding to the fixing plate 11 is provided on the lifting plate 10, a plug hole 13 is provided on the fixing plate 11, a fixing hole 14 corresponding to the plug hole 13 is provided on the fixing block 12, a fixing pin 15 is provided on the fixing hole 14, and the fixing pin 15 passes through the plug hole 13. When the cleaning frame 2 is extended into the guide belt bracket 1, the fixing plate 11 moves toward the fixing block 12, and when the cleaning frame 2 is fully extended, the plug hole 13 on the fixing plate 11 is fully aligned with the fixing hole 14 on the fixing block 12, and then the fixing pin is passed through the plug hole 13 and then into the fixing hole 14, thereby fixing the cleaning frame 2.

[0032] like Fig. 9 As shown, in this embodiment, preferably, a support block 16 is provided between the cleaning frame 2 and the guide rail 3 , and the upper and lower sides of the support block 16 abut against the cleaning frame 2 and the guide rail 3 respectively, and a limiting mechanism is provided between the support block 16 and the guide rail 3 .

[0033] like Fig. 9 As shown in the figure, preferably in this embodiment, the limiting mechanism includes a "U"-shaped limiting plate 17 connected to the guide rail 3. Through holes 18 corresponding to both sides of the limiting plate 17 are provided on the support block 16. Both sides of the limiting plate 17 pass through the through holes 18, and a bolt 19 is threadedly connected to the support block 16. The bolt 19 extends out of the support block 16 and abuts against the bottom of the limiting plate 17.

[0034] As Fig. 9 As shown in the figure, preferably in this embodiment, a support beam 20 is provided on the cleaning frame 2. The support beam 20 is horizontally arranged between the two guide rails 3 and abuts above the support block 16. One side of the limiting plate 17 extends upward to form a baffle 21. Two support blocks 16 and limiting plates 17 are provided on the same guide rail 3. The baffles 21 on the two limiting plates 17 are respectively located on both sides of the cross beam. The cleaning frame 2 is prevented from relatively frictionally sliding with the support block 16 during sliding by the baffles 21 on both sides, and the lifting of the cleaning frame 2 is not affected.

[0035] Preferably in this embodiment, there are two cross beams, and the two baffles 21 are respectively located on both sides of the two cross beams.

[0036] As Figure 6 As shown in the figure, preferably in this embodiment, the guide rail 3 is "C"-shaped. A roller 22 is provided on the guide belt support 1. The roller 22 is located inside the guide rail 3, and the diameter of the roller 22 is smaller than the internal height of the guide rail 3. When the cleaning frame 2 slides, the roller 22 contacts the upper surface of the guide rail 3, and there is a gap between the roller 22 and the lower surface of the guide rail 3 at this time.

[0037] As Figure 6 As shown in the figure, preferably in this embodiment, auxiliary support wheels 23 are provided on both sides of the cleaning frame 2, and support plates 24 corresponding to the auxiliary support wheels 23 are provided on the guide belt support 1.

[0038] The above are only the preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and retouches should also be regarded as the protection scope of the present invention.

Claims

1. A double-brush guide belt cleaning device for a digital printing machine, characterized in that: The cleaning device is located below the guiding belt on the guiding belt bracket. The cleaning device includes a cleaning frame. Two guide rails are provided at the bottom of the cleaning frame, and the guide rails are slidably connected to the guiding belt bracket. Two brush rollers are rotatably connected to the cleaning frame, and the two brush rollers are separately connected to a driving device. Two spray pipes are arranged in the cleaning frame. The two spray pipes are located on both sides of the two brush rollers. A number of nozzles are arranged on the spray pipes. A number of water absorption rollers are arranged on the cleaning frame. The water absorption layer is coated on the water absorption rollers. A water squeezing roller that is in extrusion contact with the water absorption layer is arranged below the water absorption rollers. A filtering device is arranged at the front bottom of the cleaning frame. A lifting mechanism is arranged between the cleaning frame and the guiding belt bracket.

2. The double-brush guide belt cleaning device for a digital printing machine according to claim 1, characterized in that: The lifting mechanism includes a lifting cylinder and a jacking plate. The jacking plate is connected to the piston rod of the lifting cylinder, and the jacking plate is located below the cleaning frame.

3. The double-brush guide belt cleaning device for a digital printing machine according to claim 2, characterized in that: Fixing pieces are arranged at the bottom of the cleaning frame. Fixing blocks corresponding to the fixing pieces are arranged on the jacking plate. Jack holes are arranged on the fixing pieces. Fixing holes corresponding to the jack holes are arranged on the fixing blocks. Fixing pins are arranged on the fixing holes, and the fixing pins pass through the jack holes.

4. The double-brush guide belt cleaning device for a digital printing machine according to claim 3, characterized in that: Support blocks are arranged between the cleaning frame and the guide rails. The upper and lower sides of the support blocks are respectively in contact with the cleaning frame and the guide rails. A limiting mechanism is arranged between the support blocks and the guide rails.

5. The double-brush guide belt cleaning device for a digital printing machine according to claim 4, characterized in that: The limiting mechanism includes a "U"-shaped limiting plate connected to the guide rail. Through holes corresponding to both sides of the limiting plate are arranged on the support block. Both sides of the limiting plate pass through the through holes. A bolt is threadedly connected to the support block, and the bolt extends out of the support block and abuts against the bottom of the limiting plate.

6. The double-brush guide belt cleaning device for a digital printing machine according to claim 5, characterized in that: A support beam is arranged on the cleaning frame. The support beam is horizontally arranged between the two guide rails and abuts above the support block. One side of the limiting plate extends upward to form a baffle. Two support blocks and limiting plates are arranged on the same guide rail, and the baffles on the two limiting plates are respectively located on both sides of the cross beam.

7. The double-brush guide belt cleaning device for a digital printing machine according to claim 1, characterized in that: The guide rail is in a "C" shape. Rollers are arranged on the guiding belt bracket. The rollers are located inside the guide rail, and the diameter of the rollers is smaller than the internal height of the guide rail. When the cleaning frame slides, the rollers are in contact with the upper surface of the guide rail, and there is a gap between the rollers and the lower surface of the guide rail at this time.

8. The double-brush guide belt cleaning device for a digital printing machine according to claim 7, characterized in that: Auxiliary support wheels are arranged on both sides of the cleaning frame. Support plates corresponding to the auxiliary support wheels are arranged on the guiding belt bracket.

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