Drying oven structure of vertical machine

By introducing air guide plates and improving the structure of radiant plates in the vertical drying oven, the problems of material drift and uneven hot air were solved, achieving efficient drying and improved product quality.

CN223564683UActive Publication Date: 2025-11-18JIANG SU HENKEL TECH CO LTD
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Patent Information

Application Number
CN202422914538.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-18
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

In existing vertical drying ovens, materials are prone to drifting during the drying process, and uneven hot air flow leads to poor drying effect, low production efficiency, and reduced product quality.

Method used

By adopting a guide plate structure and an improved radiant plate design, hot air is guided by the guide plate to be blown evenly onto the material, increasing the hot air velocity and air pressure, and optimizing the air duct design to improve heat transfer efficiency.

Benefits of technology

It improves drying efficiency, with hot air flow velocity on the material surface reaching 4-5 m/s and air pressure 10-16 Pa, avoiding drift, increasing production efficiency by more than 80%, and improving product quality.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

An oven structure of a vertical machine comprises an oven body, an air inlet pipe is installed at the upper end of the oven body, panels are arranged on the left side and the right side in the oven body, a material channel is formed between the panels, radiant panels are arranged on the side faces of the panels, hot oil channels are machined in the radiant panels, an air channel is formed between the radiant panels and the panels, and the air inlet pipe at the upper end of the oven body is communicated with the air channel. A plurality of air outlet holes are evenly distributed in the panel, a plurality of air guide plates are connected to the panel, and the air guide plates are arranged in an inclined mode. Compared with the prior art, the vertical machine oven structure has the advantages that hot air is blown out from the small holes and is blown to materials under the guiding action of the air deflector, and after the vertical machine oven structure is adopted, the hot air flowing speed is increased, the discharging speed of organic waste gas and volatile matter is greatly increased, and the drying effect is improved; the drying efficiency of the drying oven is more than two times that of an existing structure, the vehicle speed of a gluing production line is improved by more than 80%, the production efficiency is improved, and the product quality is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oven, concretely refers to vertical machine oven structure. BACKGROUND

[0002] In the industry of insulating plate, copper-clad plate and the like, prepreg (semi-finished product) is formed into plate-shaped base material (finished product) after heating and pressurizing according to certain production process, wherein the prepreg is impregnated with resin glue solution by using reinforcing material such as glass fiber cloth, carbon fiber or cotton cloth, and then heated according to different process temperature in a drying oven to remove the solvent and low-molecular volatile matter in the reinforcing material impregnated with glue solution, thereby forming a semi-cured material sheet; in this process, the oven is the main production equipment; the oven is divided into horizontal oven and vertical oven according to different reinforcing material varieties, wherein the glass fiber cloth and carbon fiber are not suitable for drying by horizontal oven mode due to the properties of the fabric, such as porosity and poor permeability, and are prone to form uneven glue film due to air floating, especially for high-end epoxy plate, which is generally produced by vertical machine oven mode.

[0003] As shown in Figure 6 Fig. 1 is a schematic view of the existing vertical oven, and the main part of the oven includes radiation plates 100, 200, wherein the radiation plates are heating structures with annular heat conduction oil channels processed inside, and the side opposite to the material is a smooth iron plate structure, and the heat conduction oil circulating inside transmits heat to the material 300 in a radiation and convection mode; the other two sides of the radiation plate have maintenance doors 400, and form a closed heating and ventilation chamber A, B with the radiation plate, and the natural wind at the top enters the heat conduction oil heat exchanger 600 through the circulating fan 500 after being heated, and then flows through the passage between the material 300 and the radiation plates 100, 200 through the air distribution plates 700, 800 at the upper part of the oven, and finally is discharged through the exhaust fan 900 at the lower part of the oven.

[0004] At present, the existing oven structure has the following problems: (1) the height of the oven is between 6-12 meters according to different production processes and production speeds, and after the hot air at the top is distributed through the air distribution plates 700, 800, it is blown into the ventilation chambers A, B, and due to the different flow resistances of the gas in the ventilation chambers A, B, the flow rates will be different, which causes the material 300 to drift left and right during upward movement; (2) in order to avoid the material 300 from colliding with the radiation plates during the drifting process, the distance between the radiation plates 100, 200 needs to be increased, which is usually 520-650 mm; (3) the width direction size of the drying channel is 1500 mm, and the thickness is 520-650 mm, and the circulating air volume of the circulating fan 500 is 7000 m 3The hot air flow rate on both sides of the material 300 is 2-2.5 m / s, and the air pressure is 2.5-3.9 pa, the flow rate on the surface of the material is low, the heat carried by the hot air cannot be timely transferred to the material, and the solvent and volatile matters cannot be timely removed, resulting in poor drying effect, low production efficiency and reduced product quality. Content of the utility model

[0005] The utility model solves the technical problem in the prior art, and provides a vertical machine drying oven structure.

[0006] The vertical machine drying oven structure comprises a box body, an air inlet pipe is arranged at the upper end of the box body, panels are arranged on the left and right sides in the box body, a material channel is formed between the panels, a radiation plate is arranged on the side surface of the panel, a hot oil channel is formed in the radiation plate, an air duct is formed between the radiation plate and the panel, the air inlet pipe at the upper end of the box body is communicated with the air duct, a plurality of air outlet holes are uniformly distributed on the panel, a plurality of air deflectors are connected to the panel, and the air deflectors are arranged obliquely.

[0007] Further, two branch pipes are connected to the air inlet pipe, and the two branch pipes are directed to the corresponding air ducts.

[0008] Further, the radiation plate comprises a pasting plate and a punched plate, a U-shaped hot oil channel is punched on the surface of the punched plate, the punched punched plate is fixed on the pasting plate, and the smooth surface on one side of the pasting plate faces the panel.

[0009] Further, an oil inlet pipe and an oil outlet pipe are connected to the box body below and connected with the hot oil channel respectively.

[0010] Further, a heat preservation layer is arranged on the left and right sides of the box body and covers the radiation plate.

[0011] Further, maintenance openings are arranged on the front and rear sides of the box body, and a cover plate is arranged on the maintenance opening through a hinge.

[0012] Compared with the prior art, the vertical machine drying oven structure of the utility model has the advantages that hot air is blown out from small holes, the hot air is blown to the material by the guiding effect of the air deflector, the hot air flow rate is increased after the vertical machine drying oven adopts the structure, the discharge speed of the organic waste gas and volatile matters is greatly improved, the drying effect is improved, the drying efficiency of the drying oven is more than twice that of the existing structure, the speed of the gluing production line is increased by more than 80%, the production efficiency is increased, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the utility model;

[0014] Figure 2 is a structural schematic view of the interior of the utility model.

[0015] Figure 3 is the structure diagram of the box half of the utility model;

[0016] Figure 4 is the structure diagram of the connection of the stamping plate and the pasting plate of the utility model;

[0017] Figure 5 is the principle diagram of the work of the oven of the utility model;

[0018] Figure 6 is the principle diagram of the work of the original oven;

[0019] Among them, 1, box, 2, air inlet pipe, 3, panel, 4, material channel, 5, material, 6, radiation plate, 7, hot oil channel, 8, air duct, 9, air outlet hole, 10, air deflector, 11, branch pipe one, 12, branch pipe two, 13, oil inlet pipe, 14, oil outlet pipe, 15, insulation layer, 16, cover plate, 611, pasting plate, 612, stamping plate. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below.

[0021] As Figures 1-4 shown, a vertical machine oven structure, including box 1, the upper end of box 1 is provided with air inlet pipe 2, the left and right sides in box 1 are provided with panel 3, material channel 4 is formed between panel 3, material 5 passes through the middle of material channel, the side of panel 3 is provided with radiation plate 6, hot oil channel 7 is processed on radiation plate 6, air duct 8 is formed between radiation plate 6 and panel 3, the air inlet pipe 2 of the upper end of box 1 is communicated with air duct 8, a plurality of air outlet holes 9 are uniformly distributed on panel 3, a plurality of air deflectors 10 are connected on panel 3, air deflector 10 is obliquely arranged and is directed to material 5 in material channel 4.

[0022] In the embodiment, the inside of box 1 forms two air ducts 8 by panel 3 and radiation plate 6, the air inlet pipe 2 of the upper end of box 1 is connected with two branch pipes one 11 and branch pipes two 12 that branch off, branch pipes one 11 and branch pipes two 12 are directed to corresponding air duct 8, radiation plate 6 includes pasting plate 611 and stamping plate 612, "U"-shaped hot oil channel is stamped on the surface of stamping plate 612, the stamping plate 612 after stamping is fixed on pasting plate 611, the smooth surface of one side of pasting plate 611 is directed to panel 3, wherein, the lower side of box 1 is connected with oil inlet pipe 13 and oil outlet pipe 14 respectively connected with "U"-shaped hot oil channel, hot oil is circulated and flows in "U"-shaped hot oil channel by oil inlet pipe 13 and oil outlet pipe 14.

[0023] The box 1 is provided with heat preservation layer 15 on the left and right sides, the heat preservation layer 15 covers the radiation plate 6, reduces heat loss, the box 1 is provided with the access hole on the front and back sides, the access hole is provided with the cover plate 16 through the hinge,

[0024] As Figure 5 The external fan sends the air into the air duct 8 through the air conveying pipe 2, the heat on the surface of the radiation plate 6 is sent out from the air outlet hole 9 and is blown to the material 5 through the air guide plate 10, the number, diameter and spacing of the small holes and the number, angle and size of the air guide plate are calculated in detail, the air guide plates are opposite to each other and the spacing is not more than 200mm in the whole drying oven, the hot air flow rate on the surface of the material 5 reaches 4-5m / s, the air pressure is 10-16pa, the spacing of the existing radiation plate is 520-650mm and the air pressure is only 2.5-3.9pa, under the action of the air guide plate, the hot air flow rates on the two sides of the material 5 are basically the same, and under the air pressure of 10-16pa, the material 5 is prevented from drifting.

[0025] The utility model is not limited to the embodiment, and the person skilled in the art can still make some corrections or changes without departing from the spirit of the utility model, i.e. the scope of the disclosure, so the protection scope of the utility model is limited to the range defined in the claims.

Claims

1. A vertical machine oven structure, characterized by: The utility model provides a heat -radiating box, including box, the upper end of box is equipped with air inlet pipe, the left and right sides are equipped with panel in the box, and the panel forms the material channel between, the side of panel is equipped with radiation board, and the radiation board is processed with hot oil channel, and the air duct is formed between radiation board and panel, the air inlet pipe of upper end of box is connected with air duct, a plurality of air outlet holes are uniformly distributed on the panel, and a plurality of air deflector are connected on the panel, and air deflector is obliquely arranged.

2. A vertical machine oven structure according to claim 1, characterized in that: Two branch pipes are connected to the air inlet pipe, and the two branch pipes are directed to the corresponding air duct.

3. The vertical machine oven structure of claim 1, wherein: The radiation board comprises a pasting plate and a punched plate, the punched plate is punched with a "U"-shaped hot oil channel on the surface, the punched plate is fixed on the pasting plate after being punched, and the smooth surface of one side of the pasting plate is directed to the panel.

4. The vertical machine oven structure of claim 1, wherein: An oil inlet pipe and an oil outlet pipe are connected to the lower part of the box and connected with the hot oil channel respectively.

5. The vertical machine oven structure of claim 1, wherein: The left and right sides of the box are provided with a heat preservation layer covering the radiation board.

6. The vertical machine oven structure of claim 1, wherein: The front and back sides of the box are provided with access holes, and the access holes are provided with cover plates through hinges.