Paperboard drying equipment with uniform heating function

Abstract

The utility model discloses paperboard drying equipment capable of being heated evenly, and relates to the field of paperboard processing, the paperboard drying equipment comprises a drying box, a drying assembly is arranged in the drying box, a feeding port and a discharging port are formed in the left side of the drying box, and a feeding conveying belt and a discharging conveying belt are connected in the feeding port and the discharging port respectively; two supports are connected to the inner wall of the right side of the drying box, and the side walls of the two supports are jointly connected with a conversion assembly. One of the material guide rollers is driven by the motor to rotate, one of the material guide rollers drives the other material guide roller to rotate through the belt wheel and the transmission belt, the two material guide rollers are used for conveying paperboards entering the U-shaped conversion box, and the converted paperboards are output through the other group of material guide rollers. And the paperboard is turned over, the front face and the back face of the paperboard can be dried conveniently, and drying is more uniform.

Description

Technical Field

[0001] The utility model relates to the field of paperboard processing, in particular to a paperboard drying device with uniform heating. Background Art

[0002] Cardboard, also known as board paper, is a thick paper sheet made of various pulps and composed of interwoven fibers. The difference between cardboard and paper is usually distinguished by basis weight and thickness. Generally, cardboard with a basis weight of more than 250g / m2 and a thickness greater than 0.5mm is called cardboard. It can be divided into several categories according to its use: 1. Cardboard for packaging, such as boxboard, kraft boxboard, yellow cardboard, white cardboard, impregnated cushioning cardboard, etc. 2. Cardboard for industrial technology, such as electrical insulation cardboard, asphalt waterproof cardboard, etc. 3. Cardboard for construction, such as felt paper, sound insulation cardboard, fireproof cardboard, gypsum cardboard, etc. 4. Cardboard for printing and decoration, such as font cardboard, cover cardboard, etc.

[0003] At present, when drying cardboard, the cardboard is mostly transported to a drying box through a conveyor belt for drying, and then the dried straight board is transported out of the drying box through the conveyor belt. When the cardboard is dried, it is dried with one side facing up, and the drying is not uniform, which results in a longer drying time, increases the floor space of the equipment, and also affects the drying efficiency of the cardboard.

[0004] Therefore, it is necessary to invent a cardboard drying device with uniform heating to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a cardboard drying device with uniform heating to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cardboard drying device with uniform heating, comprising a drying box, a drying assembly is arranged in the drying box, a feed port and a discharge port are opened on the left side of the drying box, and a feed conveyor belt and a discharge conveyor belt are respectively connected to the feed port and the discharge port, two brackets are connected to the right inner wall of the drying box, and the side walls of the two brackets are commonly connected to a conversion assembly, the conversion assembly comprises a U-shaped conversion box connected to the side walls of the brackets, the bottoms of the two horizontal parts of the U-shaped conversion box are connected to two groups of fixed plates, each group of the fixed plates has two fixed plates, and a material guide roller is connected between each group of the fixed plates, one end of the material guide roller passes through the fixed plate and is connected to a pulley, a transmission belt is arranged between two adjacent pulleys, a side wall of one of the fixed plates is connected to a motor, and the output end of the motor is connected to one end of one of the material guide rollers.

[0007] Preferably, the drying component includes a support plate connected to the left inner wall of the drying box, the top of the support plate is connected to a hot air blower, the top of the hot air blower is connected to a diversion box, the front and rear sides of the diversion box are connected to air pipes, the other end of the air pipe is connected to an air outlet hopper, the front and rear sides of the air outlet hopper are connected to two fixing rods, and the fixing rods are connected to the inner wall of the drying box.

[0008] Preferably, two limit plates are connected to the top of the feed conveyor belt and the discharge conveyor belt.

[0009] Preferably, an air duct is connected to the right side of the diversion box, a drying box is provided on the outside of the vertical part of the U-shaped conversion box, the other end of the air duct is connected to the drying box, a plurality of air inlet holes are opened on the outside of the U-shaped conversion box, and an exhaust hole is opened on the top of the U-shaped conversion box.

[0010] Technical effects and advantages of the utility model:

[0011] A motor is used to drive one of the guide rollers to rotate, and one of the guide rollers drives the other guide roller to rotate through a pulley and a transmission belt. The two guide rollers are used to convey the cardboard entering the U-shaped conversion box, and the converted cardboard is output through another set of guide rollers and falls on the discharge conveyor belt. The cardboard is turned over, which can facilitate drying of both sides of the cardboard, and the drying is more uniform. 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 structural schematic diagram of the U-shaped conversion box inlet of the utility model.

[0014] In the figure: 1. Drying box; 2. Drying component; 21. Support plate; 22. Hot air blower; 23. Diverter box; 24. Air pipe; 25. Air outlet hopper; 26. Fixed rod; 3. Feed conveyor belt; 4. Discharge conveyor belt; 5. Bracket; 6. Conversion component; 61. U-shaped conversion box; 62. Fixed plate; 63. Guide roller; 64. Pulley; 65. Drive belt; 66. Motor; 7. Limit plate; 8. Air pipe; 9. Drying box. DETAILED DESCRIPTION

[0015] 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 in 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.

[0016] The utility model provides Figure 1-2 A cardboard drying device with uniform heating is shown, comprising a drying box 1, a drying assembly 2 is arranged in the drying box 1, a feed port and a discharge port are opened on the left side of the drying box 1, and a feed conveyor belt 3 and a discharge conveyor belt 4 are connected to the feed port and the discharge port respectively, two brackets 5 are connected to the right inner wall of the drying box 1, and the side walls of the two brackets 5 are commonly connected to a conversion assembly 6.

[0017] The drying assembly 2 includes a support plate 21 connected to the left inner wall of the drying box 1, a hot air blower 22 is connected to the top of the support plate 21, a diverter box 23 is connected to the top of the hot air blower 22, the front and rear sides of the diverter box 23 are connected to an air pipe 24, the other end of the air pipe 24 is connected to an air outlet hopper 25, the front and rear sides of the air outlet hopper 25 are connected to two fixing rods 26, the fixing rods 26 are connected to the inner wall of the drying box 1, and the hot air is transported by using the hot air blower 22 to transport the hot air into the diverter box 23, and then enter the two air pipes 24 through the diverter box 23, and enter the air outlet hopper 25 through the air pipe 24, so as to dry the cardboard on the feeding conveyor belt 3 and the discharging conveyor belt 4.

[0018] Two limiting plates 7 are connected to the top of the feed conveyor belt 3 and the discharge conveyor belt 4, which can conveniently limit the position of the cardboard to avoid the problem of displacement during the conveying process.

[0019] The conversion assembly 6 includes a U-shaped conversion box 61 connected to the side wall of the bracket 5. The bottoms of the two horizontal parts of the U-shaped conversion box 61 are connected to two groups of fixed plates 62, each group of fixed plates 62 is two, and a guide roller 63 is connected between each group of fixed plates 62. One end of the guide roller 63 passes through the fixed plate 62 and is connected to a pulley 64. A transmission belt 65 is arranged between two adjacent pulleys 64. A motor 66 is connected to the side wall of one of the fixed plates 62. The output end of the motor 66 is connected to one end of one of the guide rollers 63. The feed conveyor belt 3 The cardboard with dried surface is transported to the U-shaped conversion box 61, and one of the guide rollers 63 is driven to rotate by the motor 66, and one of the guide rollers 63 drives the other guide roller 63 to rotate through the pulley 64 and the transmission belt 65, and the two guide rollers 63 are used to transport the cardboard entering the U-shaped conversion box 61, and the converted cardboard is output through another set of guide rollers 63 and falls on the discharge conveyor belt 4, and the cardboard is turned over, which can facilitate the drying of both sides of the cardboard, and the drying is more uniform.

[0020] An air duct 8 is connected to the right side of the diverter box 23, a drying box 9 is arranged on the outside of the vertical part of the U-shaped conversion box 61, the other end of the air duct 8 is connected to the drying box 9, a plurality of air inlet holes are provided on the outside of the U-shaped conversion box 61, and an exhaust hole is provided on the top of the U-shaped conversion box 61. The hot air in the diverter box 23 enters the air duct 8, then enters the drying box 9 through the air duct 8, and enters the U-shaped conversion box 61 through the air inlet hole, so as to dry the cardboard in the U-shaped conversion box 61.

[0021] Working principle of this utility model:

[0022] The cardboard is placed on the feed conveyor belt 3 and conveyed to the drying box 1. The hot air is conveyed by using the hot air blower 22 to convey the hot air to the diverter box 23, and then enters the two air pipes 24 through the diverter box 23, and enters the air outlet 25 through the air pipe 24 to dry the cardboard on the feed conveyor belt 3. The feed conveyor belt 3 conveys the cardboard with the dried surface to the U-shaped conversion box 61, and drives one of the guide rollers 63 to rotate by using the motor 66. One of the guide rollers 63 drives the other guide roller 63 to rotate through the pulley 64 and the transmission belt 65. The two guide rollers 63 are used to convey the cardboard entering the U-shaped conversion box 61, and the converted cardboard is output through another group of guide rollers 63 and falls on the discharge conveyor belt 4, the cardboard is turned over, and the turned cardboard is dried again, and finally the dried cardboard is removed from the drying box 1 through the discharge conveyor belt 4.

[0023] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cardboard drying device with uniform heating, comprising a drying box, characterized in that: A drying assembly is provided in the drying box, a feed port and a discharge port are provided on the left side of the drying box, and a feed conveyor belt and a discharge conveyor belt are connected to the feed port and the discharge port respectively, two brackets are connected to the right inner wall of the drying box, and the side walls of the two brackets are commonly connected to a conversion assembly, the conversion assembly comprises a U-shaped conversion box connected to the side walls of the brackets, two groups of fixed plates are connected to the bottoms of the two horizontal parts of the U-shaped conversion box, each group of the fixed plates has two fixed plates, a guide roller is connected between each group of the fixed plates, one end of the guide roller passes through the fixed plate and is connected to a pulley, a transmission belt is provided between two adjacent pulleys, a motor is connected to the side wall of one of the fixed plates, and the output end of the motor is connected to one end of one of the guide rollers.

2. The cardboard drying equipment with uniform heating according to claim 1, characterized in that: The drying component includes a support plate connected to the left inner wall of the drying box, a hot air blower is connected to the top of the support plate, a diversion box is connected to the top of the hot air blower, the front and rear sides of the diversion box are connected to air pipes, the other end of the air pipe is connected to an air outlet hopper, the front and rear sides of the air outlet hopper are connected to two fixing rods, and the fixing rods are connected to the inner wall of the drying box.

3. The uniformly heated cardboard drying device according to claim 2, characterized in that: The tops of the feed conveyor belt and the discharge conveyor belt are both connected to two limit plates.

4. The uniformly heated cardboard drying device according to claim 3 is characterized in that: An air duct is connected to the right side of the diversion box, a drying box is arranged on the outside of the vertical part of the U-shaped conversion box, the other end of the air duct is connected to the drying box, a plurality of air inlet holes are opened on the outside of the U-shaped conversion box, and an exhaust hole is opened on the top of the U-shaped conversion box.

Images