CN220246554U - Drying device for papermaking - Google Patents

Abstract

The utility model belongs to the technical field of papermaking drying, and discloses a drying device for papermaking, which comprises a drying box, wherein the inner side of the bottom of the drying box is uniformly and rotatably connected with a conveying roller, a driving cylinder and an air heater are arranged at the top of the drying box, the piston rod end of the driving cylinder penetrates through the top of the drying box and is connected with a pressing frame, guide posts are symmetrically connected to the four corners of the inner side of the drying box, the outer side of the pressing frame is slidably connected to the guide posts through a sliding sleeve, a hollow drying roller is rotatably connected to the middle of the bottom of the pressing frame, and both ends of the bottom of the pressing frame are rotatably connected with a flattening roller through a buffer bracket.

Description

Drying device for papermaking

Technical Field

The utility model relates to the technical field of papermaking drying, in particular to a drying device for papermaking.

Background

At present, the whole set of equipment for linking the paper pulp to form the paper web is generally called a paper machine, which comprises a head box, a wire part, a pressing part, a drying part, a paper winding machine, a transmission part and other main machines, steam, water, vacuum, lubrication, heat recovery and other auxiliary systems, most of the existing paper machine drying equipment is used for drying paper after the paper is dehydrated, for example, the drying device for paper making disclosed in patent CN216040411U is used for raising the temperature in a machine box through the action of a fan and a heating rod and driving hot air to blow to the direction of the paper through the fan to dry the paper, but the structure only carries out hot air drying on one side of the paper, moisture remains on the other side of the paper after drying, so that the drying efficiency is lower, the paper is easy to wrinkle after drying, and the attractiveness of the paper is affected.

Accordingly, the present utility model has been made to solve the above-mentioned problems occurring in the prior art.

Disclosure of Invention

(one) solving the technical problems

In order to solve the problems in the prior art, the utility model provides the drying device for paper making, which can dry two sides of paper with hot air in the process of conveying the paper, improves the drying efficiency, can flatten the paper before and after the paper is dried, and improves the flatness and the attractiveness of the paper after the paper is dried.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the utility model provides a drying device for papermaking, includes the drying cabinet, the bottom inboard of drying cabinet evenly rotates and is connected with the transfer roller, actuating cylinder and air heater are installed at the top of drying cabinet, actuating cylinder's piston rod end runs through in the drying cabinet top and is connected with the frame that pushes down, the inboard four corners symmetry of drying cabinet is connected with the guide post, just push down the outside of frame and pass through sliding sleeve sliding connection on the guide post, it is connected with the cavity dry roller to push down the bottom centre rotation of frame, the bottom both ends of frame all are connected with the leveling roller through buffer support rotation, cavity dry roller and leveling roller all are located the transfer roller directly over, the both ends center of cavity dry roller all is fixed to be linked together and is had the cavity pivot, the both ends of cavity pivot are connected with wind guiding hose and return air hose through rotary joint respectively, the wind guiding hose runs through in the top of drying cabinet and communicates the air outlet at the air heater, the hose runs through in the side of drying cabinet and communicates there is the pipe, the top surface of shunt tube evenly has seted up the branch flow hole, just shunt tubes equidistant setting in the below of transfer roller.

Preferably, both sides of the drying box are respectively provided with a paper inlet and a paper outlet.

Preferably, the side of the drying box is located at one side of the paper inlet and the paper outlet, and is rotatably connected with a guide roller through a bracket, and the top surface of the guide roller and the top surface of the conveying roller are located on the same horizontal plane.

Preferably, the buffer bracket comprises a support tube, a movable rod and a buffer spring, wherein the support tube is vertically connected to the bottom of the pressing frame, the movable rod is sleeved on the inner side of the support tube in a sliding manner, and the buffer spring is connected between the top end of the movable rod and the bottom end of the inner side of the support tube.

Preferably, the outside of the hollow drying roller is sleeved with a heat conducting adhesive layer.

Preferably, the outer side of the flattening roller is sleeved with a protective layer.

(III) beneficial effects

The utility model provides a drying device for papermaking. The beneficial effects are as follows:

(1) The air guide device comprises a drying box, a conveying roller, a hollow drying roller, a flattening roller, a driving air cylinder, a pressing frame, a hot air blower, a distributing pipe, a distributing hole, a distributing pipe, a distributing hole and a drying efficiency, wherein the conveying roller, the hollow drying roller and the flattening roller are arranged in the drying box;

(2) Through the cooperation of the buffer bracket and the flattening roller that set up at the both ends of pushing down the frame, can cushion the flattening roller and push down the pressure to the paper when on the transfer roller, prevent that the paper from taking place to damage, at the in-process of paper conveying, can all flatten the paper around the paper is dry, has promoted the leveling and pleasing to the eye after the paper is dry.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present utility model;

fig. 2 is a schematic view of the structure of the hollow drying roll and the transfer roll of the present utility model;

FIG. 3 is a schematic view of the construction of the flattening and transfer rollers of the present utility model;

fig. 4 is a schematic view of the structure of the bottom of the pressing frame of the present utility model.

In the figure: 1. a drying box; 2. a conveying roller; 3. a driving cylinder; 4. an air heater; 5. pressing down the frame; 6. a guide post; 7. a sliding sleeve; 8. a hollow drying roller; 81. a heat conducting adhesive layer; 9. a buffer bracket; 91. a support tube; 92. a movable rod; 93. a buffer spring; 10. a flattening roller; 101. a protective layer; 11. a hollow rotating shaft; 12. a rotary joint; 13. an air guide hose; 14. a return air hose; 15. a shunt; 16. a diversion aperture; 17. a paper inlet; 18. a paper outlet; 19. and a guide roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

as shown in fig. 1-4, the utility model provides a drying device for papermaking, which comprises a drying oven 1, wherein the inner side of the bottom of the drying oven 1 is uniformly and rotatably connected with a conveying roller 2 for conveying paper to move, a driving air cylinder 3 and an air heater 4 are installed at the top of the drying oven 1, the piston rod end of the driving air cylinder 3 penetrates through the top of the drying oven 1 and is connected with a pressing frame 5, the four corners of the inner side of the drying oven 1 are symmetrically connected with a guide column 6, the outer side of the pressing frame 5 is slidably connected onto the guide column 6 through a sliding sleeve 7, the guide column is used for stably moving the pressing frame 5, a hollow drying roller 8 is rotatably connected in the middle of the bottom of the pressing frame 5, the hollow drying roller 8 is made of a material with good heat conducting performance, the paper is conveniently dried by transferring heat, two ends of the pressing frame 5 are rotatably connected with a flattening roller 10 through a buffer bracket 9, the hollow drying roller 8 and the flattening roller 10 are located right above the conveying roller 2, the centers of the two ends of the hollow drying roller 8 are fixedly communicated with a hollow rotating shaft 11, two ends of the hollow rotating shaft 11 are respectively connected with a wind guide hose 13 and a wind guide tube 14 through a rotary joint 12, the two ends of the hollow rotating shaft 11 are respectively, the hollow drying roller 11 are rotatably connected with a wind guide tube 15 and a wind guide tube 14 through a rotary joint 12, a shunt tube 15 is arranged at the top surface of the air guide tube 15 and the side of the air guide tube 15 is arranged at the top of the side of the air guide tube 1, the air guide tube 15 is connected with the air guide tube 15, and the air guide tube 15 is communicated with the air guide tube 15, and the air guide tube is communicated with the air guide tube 15, and the top through the air guide tube 15, and the other air guide tube is communicated with the air conveying device, and the air through the air guide device.

As shown in fig. 1 and 2, two sides of the drying oven 1 are respectively provided with a paper inlet 17 and a paper outlet 18, so that the dried paper can conveniently enter and exit from two sides of the drying oven 1, and the outer sides of two ends of the conveying roller 2 are provided with baffles to prevent the paper from falling from two ends of the conveying roller 2.

In this embodiment: when the paper drying machine is used, in the process of conveying paper by the conveying roller 2, the driving air cylinder 3 is used for driving the pressing frame 5 to move downwards along the guide post 6, so that the hollow drying roller 8 and the flattening roller 10 compress the paper on the conveying roller 2, the paper is conveyed stably, then the hot air blower 4 is started to introduce hot air into the hollow drying roller 8 through the air guide hose 13, so that the surface of the hollow drying roller 8 heats, heat is transferred to the top of the paper through the hollow drying roller 8, meanwhile, the hot air return hose 14 is introduced into the shunt tube 15, and the air is blown to the bottom of the paper through the flow dividing hole 16, the drying of the two sides of the paper is finished, the drying efficiency is improved, the pressure of the paper is buffered when the flattening roller 10 is pressed on the conveying roller 2 through the effect of the buffering support 9, and the paper can be flattened before and after the paper is dried, and the smoothness and the attractiveness of the paper are improved.

In a preferred embodiment, as shown in fig. 1, a guide roller 19 is rotatably connected to a side of the drying box 1, which is located at one side of the paper inlet 17 and the paper outlet 18, through a bracket, and the top surface of the guide roller 19 is on the same horizontal plane as the top surface of the conveying roller 2, so that the guide paper can conveniently enter the drying box 1 from the paper inlet 17, move on the conveying roller 2, and be conveyed from the paper outlet 18, so that the paper can move more smoothly.

In a preferred embodiment, as shown in fig. 1 and 3, the buffer bracket 9 includes a support pipe 91, a movable rod 92 and a buffer spring 93, the support pipe 91 is vertically connected to the bottom of the pressing frame 5, the movable rod 92 is slidably sleeved on the inner side of the support pipe 91, and the buffer spring 93 is connected between the top end of the movable rod 92 and the inner bottom end of the support pipe 91, and in use, the buffer spring 93 can buffer the pressure applied to the movement of the movable rod 92 in the support pipe 91, thereby acting as a support and buffer force on the flattening roller 10.

In a preferred embodiment, as shown in fig. 2 and 3, the outside of the hollow drying roller 8 is sleeved with a heat conducting glue layer 81, which can transfer heat of the hollow drying roller 8 and prevent damage to paper; the outer side of the flattening roller 10 is sleeved with a protective layer 101, so that the paper is prevented from being damaged in the paper conveying process, and the protective layer has a protective effect.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. Drying device for papermaking, including drying cabinet (1), its characterized in that: the utility model discloses a drying box, including drying cabinet (1), air return tube (14), air guide tube (13) and return tube (14), air cylinder (4) are connected with transfer roller (2) in the inboard rotation of bottom of drying cabinet (1), driving cylinder (3) and air heater (4) are installed at the top of drying cabinet (1), the piston rod end of driving cylinder (3) runs through in drying cabinet (1) top and is connected with pushing down frame (5), inboard four corners symmetry of drying cabinet (1) is connected with guide post (6), just the outside of pushing down frame (5) is through sliding sleeve (7) sliding connection on guide post (6), the bottom intermediate rotation of pushing down frame (5) is connected with cavity drying roller (8), the bottom both ends of pushing down frame (5) are all connected with leveling roller (10) through buffer bracket (9) rotation, cavity drying roller (8) and leveling roller (10) are located directly over transfer roller (2), the both ends center of cavity drying roller (8) all is fixed to be linked together with cavity pivot (11), the both ends of cavity pivot (11) are connected with air guide tube (13) and hose (14) respectively through rotary joint (12) and return tube (14) are located in air return tube (14) and are connected with air return tube (15) in turn around air hose (1), the top surface of the shunt tube (15) is uniformly provided with a shunt hole (16), and the shunt tubes (15) are arranged below the conveying roller (2) at equal intervals.

2. A drying apparatus for papermaking according to claim 1, wherein: two sides of the drying box (1) are respectively provided with a paper inlet (17) and a paper outlet (18).

3. A drying apparatus for papermaking according to claim 2, wherein: the side of drying cabinet (1) just is located one side of paper inlet (17) and paper outlet (18) is connected with guide roll (19) through the support rotation, just the top surface of guide roll (19) with the top surface of transfer roller (2) is in on the same horizontal plane.

4. A drying apparatus for papermaking according to claim 1, wherein: the buffer support (9) comprises a support tube (91), a movable rod (92) and a buffer spring (93), wherein the support tube (91) is vertically connected to the bottom of the pressing frame (5), the movable rod (92) is sleeved on the inner side of the support tube (91) in a sliding manner, and the buffer spring (93) is connected between the top end of the movable rod (92) and the bottom end of the inner side of the support tube (91).

5. A drying apparatus for papermaking according to claim 1, wherein: and a heat conducting adhesive layer (81) is sleeved on the outer side of the hollow drying roller (8).

6. A drying apparatus for papermaking according to claim 1, wherein: the outer side of the flattening roller (10) is sleeved with a protective layer (101).