Paperboard drying equipment

Abstract

The utility model discloses paperboard drying equipment which comprises a heat preservation box, a feeding port and a discharging port are formed in the two sides of the heat preservation box, a conveying mechanism used for conveying paperboards and a heating mechanism used for drying the paperboards are arranged in the heat preservation box, and a temperature sensor and a humidity sensor are further arranged in the heat preservation box. The material conveying mechanism comprises a plurality of material conveying rollers which are uniformly arranged, mounting plates which are arranged on two sides of the heat preservation box and are used for mounting the material conveying rollers, and a driving assembly used for driving the material conveying rollers to rotate, the material conveying rollers are arranged in two layers, and a material conveying gap is formed between the two layers of material conveying rollers; a dehumidification mechanism used for adjusting humidity is arranged in the heat preservation box, and an exhaust port is formed in the top wall of the heat preservation box in a penetrating mode. The paperboard drying device is reasonable in design and compact in structure, the drying effect and the drying quality of paperboards are effectively guaranteed, the damage resistance of the paperboards is prevented from being affected while the drying efficiency is guaranteed, and the using effect of the drying device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of paperboard processing, in particular to paperboard drying equipment. Background Art

[0002] In the process of processing cardboard or processing cardboard into cartons, the cardboard needs to be dried. For example, when creasing the carton, it is necessary to ensure the humidity at the creasing area to avoid cracking during creasing. In order to ensure the quality of the cardboard, the cardboard needs to be dried.

[0003] At present, when cardboard is dried, most of the time, one side of the cardboard is heated, which may cause uneven drying and deformation of the cardboard. It is also inconvenient to control the humidity of the drying environment, which can easily affect the tear resistance of the cardboard. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art, such as uneven drying, which may cause deformation of the paperboard, inconvenience in controlling the humidity of the drying environment, and easy influence on the tear resistance of the paperboard, and proposes a paperboard drying device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cardboard drying device comprises an insulation box, a feeding port and a discharging port are provided on both sides of the insulation box, a feeding mechanism for conveying cardboard and a heating mechanism for drying cardboard are provided in the insulation box, and a temperature sensor and a humidity sensor are also provided in the insulation box;

[0007] The feeding mechanism comprises a plurality of feeding rollers arranged evenly, mounting plates for mounting the feeding rollers arranged on both sides of the heat preservation box, and a driving assembly for driving the feeding rollers to rotate, wherein the feeding rollers are provided with two layers, and a feeding gap is provided between the two layers of feeding rollers;

[0008] A dehumidification mechanism for adjusting humidity is arranged in the heat preservation box, and an exhaust port is arranged through the top wall of the heat preservation box.

[0009] Preferably, the feed roller comprises a rotating shaft and a pressing roller fixedly mounted on the rotating shaft, and both ends of the rotating shaft are rotatably mounted on the inner side of the mounting plate.

[0010] Preferably, the heating mechanism includes a hot air blower arranged on the outside of the insulation box, and a flow equalizing tube connected to the air outlet end of the hot air blower, wherein the flow equalizing tube is sealedly connected to one side of the mounting plate, and a plurality of ventilation holes are evenly opened on the mounting plate.

[0011] More preferably, the heating mechanism is further provided with a heating plate, and the heating plate is fixedly mounted on the inner bottom wall of the thermal insulation box.

[0012] More preferably, a preheating cover is horizontally provided at the feed inlet of the heat preservation box, and the inner side of the preheating cover is connected to the heat preservation box.

[0013] More preferably, the dehumidification mechanism includes an air collecting hood and a dehumidifier, wherein the air collecting hood is arranged above the conveying roller and correspondingly arranged on a side away from the flow equalizing pipe, and the air inlet end of the dehumidifier is arranged in the air collecting hood.

[0014] Preferably, a feed plate and a discharge plate are respectively provided at the feed port and the discharge port of the heat preservation box, and guide plates corresponding to the feed rollers are provided on both sides of the feed plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, the cardboard is clamped and fed by the feeding roller, which ensures the feeding effect and can effectively avoid covering the surface of the cardboard, ensuring the uniform drying of the cardboard and the drying effect of the cardboard;

[0017] 2. In the utility model, the moisture evaporated from the cardboard is absorbed by the dehumidifier to maintain a constant humidity in the insulation box, to avoid excessive humidity affecting the drying effect, and to avoid excessive low humidity causing the cardboard's tear resistance to deteriorate, thereby ensuring the drying quality of the cardboard.

[0018] The utility model has reasonable design and compact structure, effectively ensures the drying effect and drying quality of the cardboard, ensures the drying efficiency while avoiding affecting the tear resistance of the cardboard, and ensures the use effect of the drying equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the appearance structure of the utility model.

[0020] Figure 2 This is a schematic diagram of the appearance of the utility model after the preheating cover is removed.

[0021] Figure 3 It is a side structural schematic diagram of the utility model.

[0022] Figure 4 It is a schematic diagram of the structure of the feeding mechanism and the heating mechanism of the utility model.

[0023] Figure 5 It is a side structural sectional view of the utility model.

[0024] Figure 6 It is a front structural sectional view of the utility model.

[0025] In the figure: an insulation box 1, a feed plate 11, a guide plate 111, a discharge plate 12, a feeding mechanism 2, a feeding roller 21, a rotating shaft 211, a pressing roller 212, a mounting plate 22, a driving assembly 23, a heating mechanism 3, a hot air blower 31, a flow equalizing pipe 32, a vent 33, a heating plate 34, a preheating cover 35, a dehumidification mechanism 4, an air collecting cover 41, a dehumidifier 42, and an exhaust port 5. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Reference Figure 1-6 A cardboard drying device comprises a heat preservation box 1, wherein a feeding port and a discharging port are provided on both sides of the heat preservation box 1 for feeding in and out the cardboard, wherein a feeding mechanism 2 for conveying the cardboard and a heating mechanism 3 for drying the cardboard are provided in the heat preservation box 1, and a temperature sensor and a humidity sensor are also provided in the heat preservation box 1 for conveniently monitoring the temperature and humidity in the heat preservation box 1, so as to avoid excessive water loss in the cardboard due to an environment of too high temperature and too low humidity, which causes the cardboard to become brittle after drying and affects its tear resistance.

[0028] The feeding mechanism 2 includes a plurality of feeding rollers 21 arranged evenly, mounting plates 22 for mounting the feeding rollers 21 arranged on both sides of the heat preservation box 1, and a driving assembly 23 for driving the feeding rollers 21 to rotate, wherein the feeding rollers 21 are provided with two layers, and a feeding gap is provided between the two layers of feeding rollers 21. The cardboard is clamped and conveyed by the upper and lower layers of feeding rollers 21, and compared with the conveyor belt method, a drying gap is left between two adjacent feeding rollers 21, which can ensure the drying effect of the cardboard and can ensure that the cardboard is in a flat state to avoid warping of the cardboard.

[0029] The heat preservation box 1 is provided with a dehumidification mechanism 4 for adjusting the humidity, and an exhaust port 5 is provided through the top wall of the heat preservation box 1. The dehumidification mechanism 4 is used to take away part of the water vapor evaporated from the paperboard to position the appropriate humidity in the heat preservation box 1 and ensure the appropriate drying efficiency of the paperboard. The other end of the exhaust port 5 can be connected to an exhaust gas treatment device to treat the discharged air to avoid polluting the ambient air.

[0030] During the cardboard processing, when the cardboard needs to be dried, the cardboard is fed into the feeding mechanism 2 in the insulation box 1 through the feeding port, and the cardboard is clamped by the upper and lower feeding rollers 21 to drive the cardboard to move in the insulation box 1. At the same time, hot air is blown to the cardboard by the hot air blower 31 to heat and dry the cardboard. The humidity in the insulation box 1 is adjusted in conjunction with the dehumidification mechanism 4 and the exhaust port 5. When the humidity is high, the dehumidification mechanism 4 is started for dehumidification, or the exhaust efficiency of the exhaust port 5 is increased, which can conveniently ensure that the temperature and humidity in the insulation box 1 are constant, ensure the drying effect of the cardboard, and avoid the deterioration of the bursting resistance of the cardboard.

[0031] In this technical solution, if Figure 4-6 As shown, the feed roller 21 includes a rotating shaft 211 and a pressing roller 212 fixedly mounted on the rotating shaft 211, and both ends of the rotating shaft 211 are rotatably mounted on the inner side of the mounting plate 22. The paperboard is driven to move by multiple pressing rollers 212, increasing the contact area between the paperboard and the hot air, thereby ensuring the drying effect of the paperboard.

[0032] In this technical solution, if Figure 1-5 As shown, the heating mechanism 3 includes a hot air blower 31 disposed outside the heat preservation box 1, and a flow equalizing tube 32 connected to the air outlet of the hot air blower 31, wherein the flow equalizing tube 32 is sealedly connected to one side of the mounting plate 22, and a plurality of vents 33 are evenly provided on the mounting plate 22. The hot air blower 31 cooperates with the flow equalizing tube 32 to deliver hot air into the heat preservation box 1, and cooperates with the vents 33 to ensure the uniform delivery of hot air, and the vents 33 are arranged on the mounting plate 22, which can blow on the upper and lower sides of the cardboard to take away the moisture on the cardboard and ensure the drying effect of the cardboard.

[0033] In this technical solution, if Figure 5 and 6 As shown, the heating mechanism 3 is further provided with a heating plate 34, which is fixedly mounted on the inner bottom wall of the heat preservation box 1. The design of the heating plate 34 can further ensure the temperature control effect in the heat preservation box 1, relieve the working pressure of the hot air blower 31, and ensure that the temperature in the heat preservation box 1 is uniform and constant.

[0034] In this technical solution, if Figure 1-5 As shown, a preheating cover 35 is horizontally arranged at the feed port of the insulation box 1, and the inner side of the preheating cover 35 is connected with the insulation box 1. The cardboard is preheated before being fed into the insulation box 1. The preheating cover 35 can be provided with a heating device, and the heat overflowing from the insulation box 1 can also heat the cardboard. By preheating the cardboard, the drying effect of the cardboard is guaranteed, and the tear resistance of the cardboard after drying is guaranteed to be good.

[0035] In this technical solution, if Figure 3-6As shown, the dehumidification mechanism 4 includes an air collecting hood 41 and a dehumidifier 42, wherein the air collecting hood 41 is arranged above the feeding roller 21 and correspondingly arranged on a side away from the equalizing pipe 32, and the air inlet end of the dehumidifier 42 is arranged in the air collecting hood 41. The hot air blowing over the cardboard is collected by the air collecting hood 41, and most of the hot air below the cardboard and part of the hot air above the cardboard are collected by the air collecting hood 41, and the moisture in the hot air is removed in conjunction with the dehumidifier 42, wherein the dehumidifier 42 can be a condensing dehumidifier, which is convenient for adjusting the humidity in the insulation box 1, avoiding excessive humidity affecting the drying effect of the cardboard, and avoiding too low humidity affecting the tear resistance of the cardboard.

[0036] In this technical solution, if Figure 1-6 As shown, the inlet and outlet of the insulation box 1 are respectively provided with a feed plate 11 and a discharge plate 12, and guide plates 111 corresponding to the feed rollers 21 are provided on both sides of the feed plate 11. It is convenient to feed the cardboard into the insulation box 1, and it is also convenient to discharge the cardboard, and it is convenient to use the drying equipment.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cardboard drying device, characterized in that: The invention comprises a heat preservation box (1), wherein a feed port and a discharge port are provided on both sides of the heat preservation box (1), a feeding mechanism (2) for conveying paperboard and a heating mechanism (3) for drying paperboard are provided in the heat preservation box (1), and a temperature sensor and a humidity sensor are also provided in the heat preservation box (1); The feeding mechanism (2) comprises a plurality of evenly arranged feeding rollers (21), mounting plates (22) for mounting the feeding rollers (21) arranged on both sides of the heat preservation box (1), and a driving assembly (23) for driving the feeding rollers (21) to rotate, wherein the feeding rollers (21) are provided with two layers, and a feeding gap is provided between the two layers of feeding rollers (21); The heat preservation box (1) is provided with a dehumidification mechanism (4) for adjusting the humidity, and the top wall of the heat preservation box (1) is provided with an exhaust port (5).

2. A cardboard drying device according to claim 1, characterized in that: The feed roller (21) comprises a rotating shaft (211) and a pressing roller (212) fixedly mounted on the rotating shaft (211); both ends of the rotating shaft (211) are rotatably mounted on the inner side of the mounting plate (22).

3. A paperboard drying device according to claim 1, characterized in that: The heating mechanism (3) comprises a hot air blower (31) arranged outside the heat preservation box (1), and a flow equalizing pipe (32) connected to the air outlet end of the hot air blower (31), wherein the flow equalizing pipe (32) is sealedly connected to a mounting plate (22) on one side, and a plurality of ventilation holes (33) are evenly provided on the mounting plate (22).

4. A paperboard drying device according to claim 3, characterized in that: The heating mechanism (3) is also provided with a heating plate (34), and the heating plate (34) is fixedly mounted on the inner bottom wall of the heat preservation box (1).

5. A paperboard drying device according to claim 3, characterized in that: A preheating cover (35) is horizontally arranged at the feed inlet of the heat preservation box (1), and the inner side of the preheating cover (35) is connected to the heat preservation box (1).

6. A paperboard drying device according to claim 3, characterized in that: The dehumidification mechanism (4) comprises an air collecting hood (41) and a dehumidifier (42), wherein the air collecting hood (41) is arranged above the feed roller (21) and correspondingly arranged on a side away from the flow equalizing pipe (32), and the air inlet end of the dehumidifier (42) is arranged in the air collecting hood (41).

7. A paperboard drying device according to claim 1, characterized in that: A feed plate (11) and a discharge plate (12) are respectively provided at the feed port and the discharge port of the heat preservation box (1), and guide plates (111) corresponding to the feeding rollers (21) are provided on both sides of the feed plate (11).

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