CN212457796U

CN212457796U - Corrugated container board drying device

Info

Publication number: CN212457796U
Application number: CN202021025109.8U
Authority: CN
Inventors: 王德
Original assignee: Huzhou Hexin Packaging Machinery Co ltd
Current assignee: Huzhou Hexin Packaging Machinery Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-02
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a corrugated board drying device, which comprises a shell, wherein a feeding hole and a discharging hole are arranged on two sides of the shell; the shell is divided into a first drying group and a second drying group; the first drying group comprises a bracket, a conveying belt, a heater and a first fan; the second drying group comprises a heating plate and a plurality of heating units; an air exhaust device is arranged at the top of the shell; and a push rod device is arranged above the bracket. The utility model carries out double-sided drying simultaneously through the common operation of the first drying group and the second drying group; the generated moisture is discharged under the action of the fan and the exhaust device, and the drying efficiency is relatively higher; the power of the heating unit is gradually increased along with the transmission direction of the corrugated board, and the corrugated board cannot generate a large amount of moisture due to sudden high temperature, so that the performance cannot be influenced. By using a pusher device in combination with a movable heat shield, the height of the conveyor belt and the height of the conveying channel are adjusted, and the adaptability is relatively better.

Description

Corrugated container board drying device

Technical Field

The utility model relates to a corrugated container board processingequipment, especially a corrugated container board drying device.

Background

Corrugated board is a multi-layer adhesive body which is composed of at least one wave-shaped core paper interlayer and one layer of paper board. Corrugated cardboard is one of the commonly used raw materials of packing carton at present, therefore extensively be used for product packaging etc. field.

Corrugated board needs to be dried in the production process, and because of the technological process of the corrugated board, the use of adhesives and the like, the corrugated board and corrugated boxes often contain certain moisture after being manufactured into finished products, so that the compressive strength of the corrugated board is reduced.

The existing corrugated board drying device adopts a hot drying board to dry the corrugated board, but the corrugated board can take away a large amount of heat in the drying process, so that the temperature on the surface of the hot drying board is inconsistent, one side is high and the other side is low, thereby causing the bending deformation (generally concave deformation) of the hot drying board, the deformation position can not touch and press the corrugated board, and the phenomena of degumming, foaming, poor fitting and the like can not be thoroughly caused in the middle of the corrugated board in a drying way.

In addition, the height of the drying channel and the height of the hot drying plate above the drying channel are fixed in the existing corrugated board drying device. When the corrugated boards with different sizes (thicknesses) are handled, the fixed height of the hot drying plate ensures that the hot drying plate is not contacted with the small corrugated boards thoroughly, so that the drying effect is poor, and the large corrugated boards cannot pass through; the fixed height of the hot drying channel prevents the large-size corrugated boards from passing through.

Therefore, the existing corrugated board drying device has the problems that the deformation hot drying effect of the hot drying board is poor, and the high fixing adaptability of the hot drying board and the drying channel is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrugated container board drying device. The method has the advantages of relatively better baking effect and relatively better adaptability.

The technical scheme of the utility model: a corrugated board drying device comprises a shell, wherein a feeding port and a discharging port are respectively formed in two sides of the middle of the shell; the feeding port and the discharging port correspond to each other to form a transmission channel in the shell; the transmission channel divides the shell into a first drying group positioned above the transmission channel and a second drying group positioned below the transmission channel; the first drying group comprises a bracket, a conveyor belt arranged below the bracket, a heater arranged between the bracket and the conveyor belt and a first fan penetrating through the bracket; the second drying group comprises a heating plate and a plurality of heating units uniformly arranged below the heating plate; both ends of the top of the shell are provided with air exhaust devices penetrating through the shell; and both ends above the bracket are provided with push rod devices penetrating through the shell.

In the corrugated board drying device, the height of the feeding port and the discharging port is greater than the thickness of the large-size corrugated board; the outer side of the shell is provided with a heat insulation plate which is respectively positioned above the feeding port and the discharging port and can move up and down so as to adapt to the thickness of different corrugated boards. The outer side of the shell is provided with rotating rollers which are respectively positioned below the feeding port and the discharging port, and the rotating rollers can conveniently convey corrugated boards into the conveying channel.

In the corrugated board drying device, the two sides of the lower part of the shell are respectively provided with the breathable grid plates, and the breathable grid plates are convenient to ventilate.

In the corrugated board drying device, each heating unit comprises the heating wire arranged below the heating plate and the second fan arranged below the heating wire, and the fan supplies air to the heating wire, so that heat can be effectively sent to the heating plate.

In the corrugated board drying device, the working efficiency of the heating unit is gradually increased according to the conveying direction of the corrugated board, so that the corrugated board is heated to be gradually increased, and the corrugated board is prevented from being heated to generate a large amount of moisture at the beginning.

In the corrugated board drying device, each push rod device comprises a push rod motor arranged outside the shell and a push rod arranged in the shell and connected with the support, and the height of the first drying group can be adjusted by the push rod device, so that the corrugated board drying device is suitable for corrugated boards of different sizes.

Compared with the prior art, the utility model adopts the common operation of the first drying group and the second drying group to simultaneously dry the upper surface and the lower surface of the corrugated board, the moisture generated by drying is quickly discharged out of the device under the common action of the fan and the exhaust device, and the overall drying efficiency is relatively higher; the power of the heating unit is gradually increased along with the transmission direction of the corrugated board, the corrugated board is heated in a stage mode, and a large amount of moisture cannot be generated due to sudden high temperature, so that the corrugated board cannot be immersed by the moisture to influence the performance. Through combining to use pusher gear and mobilizable heat insulating board, can adjust upper hot plate (the utility model discloses a conveyer belt) and transmission channel's height through adjusting pusher gear and heat insulating board to can adapt to not unidimensional corrugated container board, the adaptability of this device is better relatively.

So the utility model has the advantages of relatively better heat drying effect and relatively better adaptability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

The labels in the figures are: 1-shell, 11-feeding port, 12-discharging port, 13-ventilating grid plate, 14-rotating roller, 15-heat insulating plate, 2-bracket, 21-conveyor belt, 22-heater, 2-first fan, 3-heating plate, 31-heating unit, 32-heating wire, 33-second fan, 4-air exhaust device and 5-push rod device.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. A corrugated board drying device is shown in figures 1-2 and comprises a shell 1, wherein a feeding port 11 and a discharging port 12 are respectively formed in two sides of the middle of the shell 1; the feeding port 11 and the discharging port 12 correspond to each other to form a transmission channel in the shell 1; the transmission channel divides the shell 1 into a first drying group positioned above the transmission channel and a second drying group positioned below the transmission channel; the first drying group comprises a support 2, a conveyor belt 21 arranged below the support 2, a heater 22 arranged between the support 2 and the conveyor belt 21 and a first fan 23 penetrating through the upper part of the support 2; the second drying group comprises a heating plate 3 and a plurality of heating units 31 uniformly arranged below the heating plate 3; both ends of the top of the shell 1 are provided with air exhaust devices 4 penetrating through the shell 1; and both ends above the bracket 2 are provided with push rod devices 5 penetrating through the shell 1.

The outer side of the shell 1 is provided with a movable heat insulation plate 15 which is respectively positioned above the material inlet 11 and the material outlet 12; and rotating rollers 14 respectively positioned below the feeding port 11 and the discharging port 12 are arranged on the outer side of the shell 1.

And both sides of the lower part of the shell 1 are provided with air-permeable grid plates 13.

Each of the heating units 31 includes a heating wire 32 disposed below the heating plate 3 and a second fan 33 disposed below the heating wire 32; the operating efficiency of the heating unit 31 is gradually increased in accordance with the corrugated cardboard conveying direction.

Each push rod device 5 comprises a push rod motor arranged outside the shell 1 and a push rod arranged in the shell 1 and connected with the support 2.

The utility model discloses a theory of operation: the height of the inlet and the outlet of the transmission channel is adjusted by moving the heat insulation plate 15 according to the size of the corrugated board to be dried, and the push rod motor of the push rod device 5 drives the support 2 to move up and down through the push rod to adjust the height of the conveyor belt 21. The heater 22, the heating wire 32, the first fan 23 and the second fan 33 are all operated, and the power of the heating unit 31 is gradually increased along the conveying direction of the corrugated cardboard. The corrugated board is fed into the housing 1 from the feeding port 11 through the rotating roller 14, and the conveyor belt 21 and the heating plate 3 respectively dry the upper and lower surfaces of the corrugated board. The corrugated board is conveyed by the driving of the conveyor belt 21 and is discharged from the discharge port 12. The moisture generated in the drying process is quickly discharged out of the shell 1 under the action of the air exhaust device 4.

Claims

1. The utility model provides a corrugated container board drying device which characterized in that: the device comprises a shell (1), wherein a feeding port (11) and a discharging port (12) are respectively formed in two sides of the middle of the shell (1); the feeding port (11) and the discharging port (12) correspond to each other to form a transmission channel in the shell (1); the transmission channel divides the shell (1) into a first drying group positioned above the transmission channel and a second drying group positioned below the transmission channel; the first drying group comprises a support (2), a conveyor belt (21) arranged below the support (2), a heater (22) arranged between the support (2) and the conveyor belt (21) and a first fan (23) arranged above the support (2) in a penetrating mode; the second drying group comprises a heating plate (3) and a plurality of heating units (31) which are uniformly arranged below the heating plate (3); both ends of the top of the shell (1) are provided with air exhaust devices (4) penetrating through the shell (1); and both ends above the bracket (2) are provided with push rod devices (5) penetrating through the shell (1).

2. A corrugated cardboard drying apparatus as claimed in claim 1 wherein: a movable heat insulation plate (15) is arranged on the outer side of the shell (1) and is respectively positioned above the feeding port (11) and the discharging port (12); and rotating rollers (14) respectively positioned below the feeding port (11) and the discharging port (12) are arranged on the outer side of the shell (1).

3. A corrugated cardboard drying apparatus as claimed in claim 1 wherein: both sides of the lower part of the shell (1) are provided with breathable grid plates (13).

4. A corrugated cardboard drying apparatus as claimed in claim 1 wherein: each heating unit (31) comprises a heating wire (32) arranged below the heating plate (3) and a second fan (33) arranged below the heating wire (32); the power of the heating unit (31) is gradually increased according to the conveying direction of the corrugated board.

5. A corrugated cardboard drying apparatus as claimed in claim 1 wherein: each push rod device (5) comprises a push rod motor arranged outside the shell (1) and a push rod arranged in the shell (1) and connected with the support (2).