A dehydration device for producing offset paper

Abstract

The utility model relates to the field of offset paper production devices, and specifically discloses a dewatering device for offset paper production, comprising a dewatering device, wherein a bottom cavity is arranged at the bottom of the dewatering device, the bottom cavity is composed of two inwardly inclined inclined plates, a water collecting trough is arranged at the bottom of the bottom cavity, the water collecting trough is communicated with the inside of the bottom cavity, a drainage pipe is arranged on the side of the water collecting trough, the drainage pipe is communicated with the bottom of the inside of the water collecting trough, a pressing roller is arranged inside the dewatering device, slots are arranged on both sides of the dewatering device, side frames are arranged at the slot positions on the outside of the dewatering device, inclined surfaces are arranged on both sides of the top of the dewatering device, telescopic devices are arranged on the inclined surfaces, telescopic rods are arranged on the telescopic devices, the telescopic rods pass through the inclined surfaces of the dewatering device and extend into the inside of the dewatering device, and a water absorbing roller is arranged between the telescopic rods; the utility model realizes a dewatering device for offset paper production, which is convenient for offset paper to enter and exit for dehydration.

Description

Technical Field

[0001] The utility model relates to the field of offset paper production devices, in particular to a dehydration device for offset paper production. Background Art

[0002] Offset paper is called offset paper, formerly known as "dolly paper". It is mainly used for printing higher-end color prints with lithography (offset) printing presses or other printing presses. It is suitable for printing monochrome or multi-color book covers, texts, inserts, pictorials, maps, posters, color trademarks and various packaging products.

[0003] In the production process of existing offset paper, it is necessary to dehydrate the offset paper to facilitate the subsequent drying of the offset paper and avoid generating a large amount of steam during the drying process. However, the existing offset paper production dehydration device cannot adapt to offset paper of different thicknesses, and the water after dehydration of the offset paper is easy to flow into the inside of the device and cause a short circuit. Therefore, a dehydration device for offset paper production is proposed. Utility Model Content

[0004] The utility model aims to provide a dehydrating device for offset paper production to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dewatering device for producing offset paper, comprising a dewatering device, a bottom cavity is arranged at the bottom of the dewatering device, the bottom cavity is composed of two inwardly inclined inclined plates, a water collecting trough is arranged at the bottom of the bottom cavity, the water collecting trough is connected with the inside of the bottom cavity, a drainage pipe is arranged on the side of the water collecting trough, the drainage pipe is connected with the bottom of the water collecting trough, a pressing roller is arranged inside the dewatering device, slots are arranged on both sides of the dewatering device, one side of the slot of the dewatering device is a paper feed slot, and the other side is a paper outlet slot, side frames are arranged at the slot positions on the outside of the dewatering device, inclined surfaces are arranged on both sides of the top of the dewatering device, telescopic devices are arranged on the inclined surfaces, telescopic rods are arranged on the telescopic devices, the telescopic rods pass through the inclined surfaces of the dewatering device and extend into the interior of the dewatering device, and water suction rollers are arranged between the telescopic rods.

[0006] Preferably, a pressing shaft is arranged in the middle of the pressing roller, the pressing shaft is arranged on the dewatering device, and blocks are arranged on both sides of the pressing shaft. The pressing roller can rotate on the pressing shaft, and the blocks limit the position of the pressing roller.

[0007] Preferably, a circle of metal layer is provided on the outside of the pressing roller, and the metal layer provides a hard and smooth effect to improve the pressing efficiency.

[0008] Preferably, two upper and lower frame rods are arranged inside the side frame, and the two sides of the frame rods are fixed on the two sides inside the side frame. The frame rods are provided with frame shafts, and there is a paper passing space between the frame shafts. The offset paper enters and exits the dehydration device through the paper passing space.

[0009] Preferably, a scraper is provided inside the dehydration device, and the scraper is obliquely arranged inside the dehydration device. A rubber scraper layer is provided on one end of the scraper, and the rubber scraper layer is attached to the surface of the pressing roller, and the water on the surface of the pressing roller is scraped off by the scraper.

[0010] Preferably, a shaft body is arranged in the middle of the water-absorbing roller, and two sides of the shaft body are connected and fixed on the telescopic rod, so that the rotation of the water-absorbing roller is realized through the shaft body.

[0011] Compared with the prior art, the utility model has the following beneficial effects: side frames are arranged on both sides of the dewatering device to facilitate the entry and exit of offset paper, and the position of the offset paper is restricted by setting a frame axis to reduce the friction between the offset paper and the side frames; the distance between the suction roller and the pressing roller is adjusted by the arranged telescopic device, so as to facilitate the adaptation and adjustment of different thicknesses and different pressing degrees; the scraper scrapes the water on the pressing roller, and the water pressed out of the offset paper enters the water collecting tank through the bottom cavity and is discharged through the drain pipe, and the dewatered water is collected to prevent the water from flowing into the interior of the device and causing a short circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a side structural schematic diagram of the utility model;

[0014] Figure 3 This is a schematic diagram of the internal structure of the dehydration device of the utility model;

[0015] Numbers in the figure: 1. dehydration device; 11. bottom cavity; 12. water collecting trough; 13. drain pipe; 2. side frame; 21. frame rod; 22. frame shaft; 3. pressing roller; 31. pressing shaft; 32. metal layer; 4. telescopic device; 41. telescopic rod; 42. water suction roller; 5. scraper. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing 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 therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 The utility model provides a technical solution: a dewatering device for producing double-sided paper, comprising a dewatering device 1, a bottom cavity 11 is arranged at the bottom of the dewatering device 1, the bottom cavity 11 is composed of two inclined plates inclined inwardly, a water collecting trough 12 is arranged at the bottom of the bottom cavity 11, the water collecting trough 12 is communicated with the inside of the bottom cavity 11, a drainage pipe 13 is arranged on the side of the water collecting trough 12, the drainage pipe 13 is communicated with the bottom of the water collecting trough 12, a pressing roller 3 is arranged inside the dewatering device 1, slots are arranged on both sides of the dewatering device 1, one side of the slot of the dewatering device 1 is a paper feed slot, and the other side is a paper outlet slot, a side frame 2 is arranged at the slot position on the outside of the dewatering device 1, inclined surfaces are arranged on both sides of the top of the dewatering device 1, a telescopic device 4 is arranged on the inclined surface, a telescopic rod 41 is arranged on the telescopic device 4, the telescopic rod 41 passes through the inclined surface of the dewatering device 1 and extends into the interior of the dewatering device 1, and a water suction roller 42 is arranged between the telescopic rods 41.

[0020] Furthermore, a pressing shaft 31 is provided in the middle of the pressing roller 3 , and the pressing shaft 31 is provided on the dehydration device 1 . Blocks are provided on both sides of the pressing shaft 31 , and the pressing roller 3 can rotate on the pressing shaft 31 , and the block limits the position of the pressing roller 3 .

[0021] Furthermore, a circle of metal layer 32 is provided on the outside of the pressing roller 3, and the metal layer 32 provides a hard and smooth effect to improve the pressing efficiency.

[0022] Furthermore, two upper and lower frame rods 21 are arranged inside the side frame 2, and the two sides of the frame rods 21 are fixed on the two sides inside the side frame 2. The frame rods 21 are provided with frame shafts 22, and there is a paper passing space between the frame shafts 22. The double-sided paper enters and exits the dehydration device 1 through the paper passing space.

[0023] Furthermore, a wiper plate 5 is arranged inside the dewatering device 1. The wiper plate 5 is arranged obliquely inside the dewatering device 1. A rubber wiper layer is arranged on one end of the wiper plate 5. The rubber wiper layer is attached to the surface of the pressing roller 3, and the water on the surface of the pressing roller 3 is scraped off by the wiper plate 5.

[0024] Furthermore, a shaft body is provided in the middle of the water-absorbing roller 42 , and two sides of the shaft body are connected and fixed on the telescopic rod 41 , so that the rotation of the water-absorbing roller 42 is realized through the shaft body.

[0025] Working principle: The offset paper enters the dehydration device 1 through the paper passing space between the frame shafts 22 inside the side frame 2 on one side, and is dehydrated between the pressing roller 3 and the water-absorbing roller 42. The distance between the water-absorbing roller 42 and the pressing roller 3 is adjusted by the telescopic device 4 to adapt to the dehydration degree and the offset paper of different thicknesses. The water on the pressing roller 3 is scraped off by the scraper 5, and the water enters the water collecting tank 12 through the bottom cavity 11 and is collected, and is discharged through the drain pipe 13. After the dehydration is completed, the offset paper leaves the dehydration device 1 through the side frame 2 on the other side.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dehydration device for offset paper production, characterized in that: The invention comprises a dewatering device (1), wherein a bottom cavity (11) is arranged at the bottom of the dewatering device (1), the bottom cavity (11) is composed of two inwardly inclined inclined plates, a water collecting trough (12) is arranged at the bottom of the bottom cavity (11), the water collecting trough (12) and the inside of the bottom cavity (11) are connected, a drainage pipe (13) is arranged on the side of the water collecting trough (12), the drainage pipe (13) is connected to the bottom of the water collecting trough (12), a pressing roller (3) is arranged inside the dewatering device (1), and the dewatering device (1) Slots are provided on both sides, one side of the dehydrating device (1) slot is a paper feed slot, and the other side is a paper discharge slot. Side frames (2) are provided at the slot positions on the outside of the dehydrating device (1). Inclined surfaces are provided on both sides of the top of the dehydrating device (1), and telescopic devices (4) are provided on the inclined surfaces. A telescopic rod (41) is provided on the telescopic device (4), and the telescopic rod (41) passes through the inclined surface of the dehydrating device (1) and extends into the interior of the dehydrating device (1). A water absorption roller (42) is provided between the telescopic rods (41).

2. A dehydration device for offset paper production according to claim 1, characterized in that: A pressing shaft (31) is arranged in the middle of the pressing roller (3), the pressing shaft (31) is arranged on the dewatering device (1), and blocking blocks are arranged on both sides of the pressing shaft (31).

3. A dehydration device for offset paper production according to claim 1, characterized in that: A metal layer (32) is disposed on the outside of the pressing roller (3).

4. A dehydration device for offset paper production according to claim 1, characterized in that: Two upper and lower frame rods (21) are arranged inside the side frame (2), and two sides of the frame rod (21) are fixed on two sides inside the side frame (2). Frame shafts (22) are arranged on the frame rod (21), and a paper feeding space is provided between the frame shafts (22).

5. A dehydration device for offset paper production according to claim 1, characterized in that: A water scraper (5) is arranged inside the dewatering device (1). The water scraper (5) is arranged obliquely inside the dewatering device (1). A rubber water scraper layer is arranged on one end of the water scraper (5). The rubber water scraper layer is attached to the surface of the pressing roller (3).

6. A dehydration device for offset paper production according to claim 1, characterized in that: An axle body is arranged in the middle of the water-absorbing roller (42), and two sides of the axle body are connected and fixed on the telescopic rod (41).

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