Feeding assembly of roll paper double-color offset press

Abstract

The utility model discloses a roll paper bicolor offset press feeding assembly which comprises a feeding frame body, the surface of the feeding frame body is fixedly connected with a fixing assembly, the inner side of the fixing assembly is provided with an adsorption roller through a bearing, a pressing mechanism is arranged above the adsorption roller, and the interior of the adsorption roller is communicated with a dust collection assembly. By rotating the push stud, the connecting rod can be conveniently pushed, and through the limiting guide of the limiting sliding block, the connecting rod can drive the two sets of pressing rollers to be matched with the adsorption roller, paper can be subjected to limiting pressing, shaking is reduced conveniently when the paper is fed, and deviation generated during feeding is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to offset press technical field especially relates to the feeding assembly of web offset press. BACKGROUND

[0002] Web offset press is a kind of offset press using web as printing material, belongs to one kind of lithographic press, it works through indirect printing principle, and the figure and text on the plate are first transferred to rubber cylinder, and then are transferred to paper by rubber cylinder.

[0003] The existing web offset press is fed by web rack when using, but a large amount of paper scraps are adhered to the surface of web raw material, when the paper scraps are not cleaned, the printing effect is affected when printing, therefore, the feeding assembly of web offset press is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a feeding assembly of web offset press to solve the shortcomings in the prior art.

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

[0006] The feeding assembly of web offset press, including the feeding frame main part, the surface fixedly connected with fixed component of feeding frame main part, and the inner side of fixed component is installed with adsorption roller through bearing, the upper of adsorption roller is provided with compression mechanism, and the inside of adsorption roller is communicated with dust absorption component.

[0007] Preferably, the fixed component includes a support column, the surface of the feeding frame main body is fixedly connected with the support column, and the upper end of the support column is fixedly connected with the installation side plate, the inner side of the installation side plate is fixedly connected with the first brush rod, and the first brush rod can conveniently clean the surface of the paper.

[0008] Preferably, the adsorption roller is installed with two in the inner side of the installation side plate, the first brush rod is fixed between the two adsorption rollers, and a plurality of through grooves are equidistantly arranged on the surface of the adsorption roller, so that the adsorption roller can conveniently adsorb paper scraps.

[0009] Preferably, the compression mechanism includes a fixed block, the inner side of the installation side plate is fixedly connected with the fixed block, and the inside of the fixed block is screw-threadedly inserted with a push stud, the end of the push stud is connected with a connecting rod through a bearing, and the both ends of the connecting rod are connected with compression rollers through bearings, and the surface of the connecting rod is fixedly connected with a second brush rod at the center position, so that the connecting rod and the compression roller can be conveniently installed through the bearing, and the paper can be conveniently guided.

[0010] Preferably, a limiting slider is fixedly connected to the back of the connecting rod, and a groove adapted to the limiting slider is provided on the inner side of the mounting side plate. The limiting slider can conveniently limit and guide the function of the connecting rod.

[0011] Preferably, the first brush rod and the second brush rod have the same surface length, and bristles are installed on the opposite side of the first brush rod and the second brush rod, so that the first brush rod and the second brush rod can be used to easily clean up paper scraps.

[0012] Preferably, the dust collection assembly includes a diversion duct, which is inserted into the interior of the mounting side plate and the end of the diversion duct is connected to the interior of the adsorption roller. The interior of the diversion duct is connected to the air inlet of the vacuum cleaner through a connecting duct, so that the adsorption roller can adsorb paper scraps through the vacuum cleaner.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This device can easily push the connecting rod by rotating the push stud. With the limiting slider guiding the connecting rod, it can drive two sets of pressing rollers to cooperate with the suction roller to limit and press the paper, so as to reduce shaking and avoid deviation during paper feeding.

[0015] 2. The device can be easily fixed and installed with the support column. When the main body of the feeding rack is in motion, the adsorption roller can easily guide the paper. With the cooperation of the first and second brush rods, the paper scraps adhering to the paper surface can be cleaned and scraped off. At the same time, the vacuum cleaner can extract the air from the adsorption roller through the connecting air pipe and the diversion air pipe. Then, the paper scraps can be adsorbed and collected through the through holes on the surface of the adsorption roller. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the feeding assembly for a two-color offset printing machine for roll paper proposed in this utility model;

[0017] Figure 2 for Figure 1 Exploded three-dimensional schematic diagram of the installation side panel and the diversion duct structure;

[0018] Figure 3 for Figure 1 A three-dimensional schematic diagram of the first and second brush rods in the design;

[0019] Figure 4 for Figure 2 A magnified 3D schematic diagram of the structure at point A.

[0020] In the picture: 1. Main body of the feeding rack;

[0021] 2, fixed assembly; 21, support column; 22, installation side plate; 23, first brush rod;

[0022] 3, adsorption roller;

[0023] 4, pressing mechanism; 41, fixed block; 42, push stud; 43, connecting rod; 44, pressing roller; 45, limiting sliding block; 46, second brush rod;

[0024] 5, dust collection assembly; 51, shunt air pipe; 52, connecting air pipe; 53, dust collector. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Referring to Figures 1-4 , the web-fed two-color offset press feeding assembly comprises a feeding frame main body 1, the surface of the feeding frame main body 1 is fixedly connected with a fixed assembly 2, the inner side of the fixed assembly 2 is installed with an adsorption roller 3 through a bearing, the upper side of the adsorption roller 3 is provided with a pressing mechanism 4, the inside of the adsorption roller 3 is communicated with a dust collection assembly 5, the adsorption roller 3 can generate suction force through the dust collection assembly 5, which is convenient for handling paper scraps.

[0027] Further, referring to Figure 2 and Figure 3 It can be known that the fixed assembly 2 comprises a support column 21, the surface of the feeding frame main body 1 is fixedly connected with the support column 21, the upper side of the support column 21 is fixedly connected with an installation side plate 22, the inner side of the installation side plate 22 is fixedly connected with a first brush rod 23, the installation side plate 22 can be conveniently fixed and supported through the support column 21.

[0028] Further, referring to Figure 2 and Figure 3 It can be known that the adsorption roller 3 is installed inside the installation side plate 22, two groups of adsorption rollers 3 are installed inside the installation side plate 22, the first brush rod 23 is fixed between the two groups of adsorption rollers 3, the surface of the adsorption roller 3 is equidistantly provided with a plurality of through grooves, the paper scraps can be conveniently adsorbed through the plurality of through grooves equidistantly provided on the surface of the adsorption roller 3.

[0029] Further, referring to Figure 3 and Figure 4It can be known that the pressing mechanism 4 comprises a fixed block 41, the inner side of the installation side plate 22 is fixedly connected with the fixed block 41, a pushing stud 42 is threadedly arranged in the fixed block 41, the end of the pushing stud 42 is connected with a connecting rod 43 through a bearing, the connecting rod 43 can be conveniently pushed by rotating the pushing stud 42, the both end surfaces of the connecting rod 43 are provided with pressing rollers 44 through bearings, a second brush rod 46 is fixedly connected to the surface center of the connecting rod 43, and the second brush rod 46 can conveniently clean the paper scraps on the surface of the paper.

[0030] Further, referring to Figure 2 and Figure 3 It can be known that the back surface of the connecting rod 43 is fixedly connected with a limiting sliding block 45, the inner side of the installation side plate 22 is provided with a sliding groove matched with the limiting sliding block 45, and the limiting sliding block 45 can slide along the sliding groove by moving the connecting rod 43, thereby limiting and guiding the connecting rod 43.

[0031] Further, referring to Figure 3 and Figure 4 It can be known that the surface lengths of the first brush rod 23 and the second brush rod 46 are same, and the opposite sides of the first brush rod 23 and the second brush rod 46 are provided with brush hairs, and the brush hairs on the opposite sides of the first brush rod 23 and the second brush rod 46 can conveniently clean the paper scraps on the surface of the paper.

[0032] Further, referring to Figure 1 and Figure 2 It can be known that the dust suction assembly 5 comprises a shunt air pipe 51, the inner portion of the installation side plate 22 is inserted with the shunt air pipe 51, the end of the shunt air pipe 51 is communicated with the inner portion of the adsorption roller 3, the inner portion of the shunt air pipe 51 is communicated with the air inlet of a dust collector 53 through a connecting air pipe 52, and the shunt air pipe 51 is provided with a U-shaped cross section, thereby achieving a shunt effect.

[0033] Working principle: when the feeding frame body 1 is used, according to the accompanying drawings Figure 1 , the accompanying drawings Figure 2 , the accompanying drawings Figure 3 and the accompanying drawings Figure 4 , the paper is placed on the surfaces of the two groups of adsorption rollers 3, and the pushing stud 42 is rotated to push the connecting rod 43 to move, the pressing roller 44 and the second brush rod 46 are pressed on the paper by the connecting rod 43, thereby the paper scraps adhered to the surface of the paper can be swept off by the first brush rod 23 and the second brush rod 46 during the paper conveying, and the air in the inner portion of the adsorption roller 3 can be extracted by the connecting air pipe 52 and the shunt air pipe 51 through the dust collector 53 during the paper conveying, thereby the paper scraps can be collected by the adsorption roller 3;

[0034] The above is the whole working principle of the utility model.

[0035] In the utility model, the installation mode, the connection mode or the setting mode of all the components are common mechanical mode, and the specific structure, the model and the coefficient index of all the components are its own technology, as long as the beneficial effect can be achieved, implementation can be carried out, so no more elaboration.

[0036] The above embodiment is the preferred embodiment of the utility model, but the embodiment of the utility model is not limited by the above embodiment, any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the utility model should be equivalent replacement, all are included in the protection scope of the utility model.

[0037] In the utility model, under the condition of not making the opposite statement, the orientation words in the term such as "up and down, left and right, front and back, inside and outside and vertical and horizontal" only represent the orientation of the term in the conventional use state or the common name understood by the person skilled in the art, and should not be regarded as the limitation of the term, at the same time, the serial nouns such as "first", "second" and "third" do not represent the specific quantity and order, only for the name distinction, and the term "include", "contain" or any other variant is intended to cover the non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

Claims

1. A feeding assembly of a web offset printing machine, comprising a feeding frame body (1), characterized in that, The surface of the feeding frame body (1) is fixedly connected with a fixing assembly (2), the inner side of the fixing assembly (2) is provided with an adsorption roller (3) through a bearing, the upper side of the adsorption roller (3) is provided with a pressing mechanism (4), and the inside of the adsorption roller (3) is communicated with a dust suction assembly (5).

2. The web offset printing on-press loading assembly of claim 1, wherein, The fixing assembly (2) comprises a supporting column (21), the surface of the feeding frame body (1) is fixedly connected with the supporting column (21), the upper side of the supporting column (21) is fixedly connected with a mounting side plate (22), and the inner side of the mounting side plate (22) is fixedly connected with a first brush rod (23).

3. The web offset printing on-press loading assembly of claim 2 wherein, The adsorption roller (3) is installed on the inner side of the mounting side plate (22), the first brush rod (23) is fixed between the two groups of adsorption rollers (3), and a plurality of through grooves are equidistantly arranged on the surface of the adsorption roller (3).

4. The web offset printing on-press loading assembly of claim 2 wherein, The pressing mechanism (4) comprises a fixed block (41), the inner side of the mounting side plate (22) is fixedly connected with the fixed block (41), the inside of the fixed block (41) is threadedly provided with a pushing stud (42), the end of the pushing stud (42) is connected with a connecting rod (43) through a bearing, the two ends of the connecting rod (43) are provided with pressing rollers (44) through bearings, and the surface of the connecting rod (43) is fixedly connected with a second brush rod (46) at the center position.

5. The web offset printing on-press loading assembly of claim 4 wherein, The back surface of the connecting rod (43) is fixedly connected with a limiting sliding block (45), and the inner side of the mounting side plate (22) is provided with a sliding groove matched with the limiting sliding block (45).

6. The web offset printing on-press loading assembly of claim 4 wherein, The surface lengths of the first brush rod (23) and the second brush rod (46) are the same, and the opposite sides of the first brush rod (23) and the second brush rod (46) are provided with brush hairs.

7. The web offset newspaper on-press loading assembly of claim 2 wherein, The dust suction assembly (5) comprises a shunt air pipe (51), the inside of the mounting side plate (22) is inserted with the shunt air pipe (51), the end of the shunt air pipe (51) is communicated with the inside of the adsorption roller (3), and the inside of the shunt air pipe (51) is communicated with the air inlet of a dust collector (53) through a connecting air pipe (52).

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