Creasing device for roll printing

Abstract

The utility model belongs to the technical field of paper creasing, and particularly relates to a creasing device for reel printing, which comprises a first fixing seat, a second fixing seat, a third fixing seat and a fourth fixing seat, a rotating shaft is arranged between the first fixing seat and the second fixing seat, outer bearings are arranged at two ends of the rotating shaft, a pressing wheel is arranged on the rotating shaft and connected with one end of each outer bearing, and a pressing roller is arranged on the other end of each outer bearing. A movable limiting assembly is arranged on the pressing wheel, an inner shaft is arranged in the center of the rotating shaft, a first inner bearing is arranged on the inner shaft, a crease wheel is arranged on the first inner bearing, a connecting base is arranged at one end of the crease wheel, the first inner bearing and the inner shaft penetrate through the connecting base, a fixing shaft is arranged between the third fixing base and the fourth fixing base, and a fixing block is arranged on the fixing shaft. The end, away from the fixing block, of the connecting rod is fixedly connected with the connecting base. The creasing device for reel printing has the advantages of being high in stability, convenient to adjust, easy and convenient to operate and capable of reducing the labor intensity of workers, and the production efficiency and the product quality can be improved easily.

Description

Technical Field

[0001] The utility model belongs to the technical field of paper creases, in particular to a crease device for roll printing. Background Art

[0002] A web printing press is a device specifically used for printing on roll materials (such as paper, plastic film, etc.). It is usually used in large-scale printing production and can achieve high-speed, continuous and precise printing operations. The working principle of a web printing press is to print, dry, fold, cut and other processes on the printing materials to finally complete the printing processing of the materials. At present, crease processing is required on roll materials that need to be folded, such as printed test papers. Paper crease processing can make the paper or printed materials appear neat and straight at the crease, making the appearance more beautiful and improving the overall texture and quality. Moreover, crease processing can fold large paper or printed materials into a small size, which is convenient for carrying and storage, and more convenient during delivery and use. It is also convenient for reading. For printed materials that need to be frequently flipped through, such as books and magazines, folding processing can make it easier for readers to flip through the content and improve the reading experience.

[0003] However, current web printing machines all perform direct printing and then manually crease the printed roll materials. This not only consumes huge manpower and labor costs but also reduces the quality and efficiency of the crease processing. Therefore, a new type of crease device is needed to solve the problems existing in the existing technology. Utility Model Content

[0004] The purpose of the utility model is to provide a crease device for web printing to solve the problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is a crease device for roll printing, including a fixed seat 1, a fixed seat 2, a fixed seat 3 and a fixed seat 4, a rotating shaft is arranged between the fixed seat 1 and the fixed seat 2, outer bearings are arranged at both ends of the rotating shaft, a pressure wheel is arranged on the rotating shaft and the pressure wheel is connected to one end of the outer bearing, a movable limiting component is arranged on the pressure wheel, an inner shaft is arranged at the center of the rotating shaft, an inner bearing 1 is arranged on the inner shaft, a crease wheel is arranged on the inner bearing 1, a connecting seat is arranged at one end of the crease wheel, the inner bearing 1 and the inner shaft pass through the connecting seat, a fixed shaft is arranged between the fixed seat 3 and the fixed seat 4, a fixed block is arranged on the fixed shaft, a connecting rod is arranged on the fixed block, and the connecting rod is fixedly connected to the connecting seat at one end away from the fixed block.

[0006] Preferably, the limit assembly includes two inner bearings, a limit block, a fixed rod, a holder, a push plate and a threaded rod. The two sets of inner bearings are arranged on the pressure wheel, the limit block is arranged on the second inner bearing, one end of the fixed rod is connected to the limit block, and one side of the holder is connected to the end of the fixed rod away from the limit block. The holder is U-shaped, and the fixed shaft passes through the U-shaped holder. The push plate is arranged in the holder and the push plate is directly in contact with the fixed shaft. The threaded rod is threaded through and connected on one side of the holder, and the threaded rod is ball-connected to the push plate.

[0007] Preferably, the pressing wheel is cylindrical and directly contacts the paper.

[0008] Preferably, the push plate is in an inverted L-shape.

[0009] Compared with the prior art, the advantages and positive effects of the present invention are:

[0010] The utility model has a stable device structure through the arrangement of the fixing seat 1, the fixing seat 2, the fixing seat 3 and the fixing seat 4, and the coordination of the rotating shaft and the fixed shaft, which is not prone to shaking and loosening, can ensure the stable operation of the crease wheel and is easy to adjust. A movable limit component is arranged on the pressure wheel, which can conveniently adjust the contact width on both sides, facilitate the transmission and crease of paper, so as to meet the different printing paper widths and thus meet the required crease requirements, improve the flexibility and applicability of production, improve the printing quality, the crease wheel always maintains the same position to perform crease processing in the center of the roll material, the design and operation stability of the crease wheel can ensure consistent crease quality, which not only provides a paper crease method, but also reduces the quality problems of printed products caused by inaccurate creases, improves the overall quality and competitiveness of the product, the overall structure is simple and low in cost, easy to operate and highly durable, reduces the labor intensity of manual paper crease, and brings great convenience in use.

[0011] In summary, the crease device for web printing is reasonably designed and has the advantages of high stability, convenient adjustment, simple operation, reduced labor intensity, improved printing quality and strong durability. It is suitable for printing production lines and helps to improve production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0013] Figure 1 A three-dimensional diagram of a crease device for web printing.

[0014] In the above figures, 1, fixed seat one, 2, fixed seat two, 3, fixed seat three, 4, fixed seat four, 5, rotating shaft, 6, outer bearing, 7, limit block, 8, pressure wheel, 9, connecting seat, 10, connecting rod, 11, fixed block, 12, crease wheel, 13, inner bearing one, 14, inner shaft, 15, fixed rod, 16, clamping seat, 17, push plate, 18, threaded rod, 19, rotating shaft two, 20, inner bearing two. DETAILED DESCRIPTION

[0015] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0016] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0017] Example 1, as Figure 1As shown, the specific design of the above-mentioned key components is described in detail below: it includes a fixing seat 1, a fixing seat 2, a fixing seat 3 and a fixing seat 4, a rotating shaft 5 is provided between the fixing seat 1 and the fixing seat 2, an outer bearing 6 is provided at both ends of the rotating shaft 5, a pressure wheel 8 is provided on the rotating shaft 5 and the pressure wheel 8 is connected to one end of the outer bearing 6, a movable limit assembly is provided on the pressure wheel 8, an inner shaft 14 is provided at the center of the rotating shaft 5, an inner bearing 13 is provided on the inner shaft 14, a crease wheel 12 is provided on the inner bearing 13, a connecting seat 9 is provided at one end of the crease wheel 12, an inner bearing 13 and an inner shaft 14 are provided. The connecting seat 9 is set through, and a fixed shaft 19 is set between the fixing seat three 3 and the fixing seat four 4. The fixing shaft 19 is provided with a fixing block 11, and the fixing block 11 is provided with a connecting rod 10. The connecting rod 10 is fixedly connected to the connecting seat 9 at one end away from the fixing block 11. The device is fixed to the web printing press through the fixing seat 1, the fixing seat 2, the fixing seat 3 and the fixing seat 4. Then, the crease process is performed when the roll material is conveyed on the printing press. First, the fixing seat is fixed to the printing press, and then the width is adjusted to adapt to the width of the roll material. The position of the roll material is prevented from being creased by adjusting the limit components on both sides. The paper is deviated from the paper, providing a position limiting function to facilitate crease processing. Then the pressing wheel 8 is in direct contact with the roll material, such as the "test paper" material, and the pressing wheel 8 cooperates with the limiting assembly to limit the position of the roll material. The pressing wheel 8 can move with the transmission of the paper, and the outer side of the pressing wheel 8 is provided with an inner bearing 20, which ensures that the limiting assembly will not rotate. The two ends of the rotating shaft 5 are connected to the fixing seat 1 and the fixing seat 2 through the outer bearing 6, so that the rotating shaft 5 can move with the transmission of the paper, and the connecting seat 9 plays a role in fixing the position, which can ensure that the crease wheel 12 can rotate. The inner shaft 14 drives the crease wheel 12 to rotate, and the inner bearing 20 ensures that the crease wheel 12 can rotate when the connecting seat 9 does not rotate. The connecting seat 9 is connected to the fixed block 11 through the connecting rod 10, which plays the role of fixing the crease wheel 12, so that the pressure wheel 8 can contact the paper. Under the shielding effect of the limit component, the position of the paper is limited, and then the crease wheel 12 rotates and presses the paper at the center position. The crease wheel 12 should be lower than the horizontal direction of the pressure wheel 8 and the connecting seat 9, so that the crease wheel 12 can effectively play the role of pressing the crease, so that the paper can be folded in half with equal size.

[0018] In order to ensure that the rolled material can be creased at the center position and improve the efficiency and quality of the crease, the limit assembly includes an inner bearing 20, a limit stop 7, a fixed rod 15, a holder 16, a push plate 17 and a threaded rod 18. The inner bearing 20 is set on the pressure wheel 8, and the limit stop 7 is set on the inner shaft 14. The inner shaft 14 ensures that the pressure wheel 8 can rotate and the limit stop 7 is fixed. One end of the fixed rod 15 is connected to the limit stop 7, and one side of the holder 16 is connected to the end of the fixed rod 15 away from the limit stop 7. The holder 16 is U-shaped, and the fixed shaft 19 passes through the U-shaped holder 16. The push plate 17 is set in the holder 16 and the push plate 17 is directly connected to the fixed shaft 19 is in contact, the threaded rod 18 is threadedly connected on one side of the card seat 16 and the threaded rod 18 is ball-connected with the push plate 17. The push plate 17 is tightened by the threaded rod 18, and the push plate 17 clamps the fixed shaft 19 and the card seat 16 to fix the position of the limit block 7. The threaded rod 18 can also be loosened to find a suitable distance for re-fixing to adapt to different paper widths. The pressure wheel 8 is columnar and directly contacts the paper, which is convenient for contacting the paper and can rotate as the paper is conveyed, which does not damage the paper and can improve production efficiency and quality. The push plate 17 is an inverted L-shape. This design enables the push plate 17 to better fix the fixed shaft 19 in the card seat 16 to form a clamped closed state.

[0019] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0020] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A crease device for web printing, characterized in that: It includes a fixing seat 1, a fixing seat 2, a fixing seat 3 and a fixing seat 4, a rotating shaft is provided between the fixing seat 1 and the fixing seat 2, outer bearings are provided at both ends of the rotating shaft, a pressure wheel is provided on the rotating shaft and the pressure wheel is connected to one end of the outer bearing, a movable limiting component is provided on the pressure wheel, an inner shaft is provided at the center of the rotating shaft, an inner bearing 1 is provided on the inner shaft, a crease wheel is provided on the inner bearing 1, a connecting seat is provided at one end of the crease wheel, the inner bearing 1 and the inner shaft pass through the connecting seat, a fixed shaft is provided between the fixing seat 3 and the fixing seat 4, a fixed block is provided on the fixed shaft, a connecting rod is provided on the fixed block, and the connecting rod is fixedly connected to the connecting seat at one end away from the fixed block.

2. The web printing crease device according to claim 1, characterized in that: The limit assembly includes two inner bearings, a limit stop, a fixed rod, a holder, a push plate and a threaded rod. The two sets of inner bearings are arranged on the pressure wheel, the limit stop is arranged on the second inner bearing, one end of the fixed rod is connected to the limit stop, and one side of the holder is connected to the end of the fixed rod away from the limit stop. The holder is U-shaped, and the fixed shaft passes through the U-shaped holder. The push plate is arranged in the holder and the push plate is directly in contact with the fixed shaft. The threaded rod is threaded through and connected on one side of the holder, and the threaded rod is ball-connected to the push plate.

3. The web printing crease device according to claim 2, characterized in that: The pressing wheel is columnar and directly contacts the paper.

4. The web printing crease device according to claim 3, characterized in that: The push plate is in an inverted L shape.

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