CN210115218U - Infrared oven - Google Patents

Abstract

The utility model relates to an infrared oven, it includes cavity box, link up passageway, work piece conveyer, motor and infrared heating pipe. The utility model is provided with a closed hollow box body, and is also provided with a through channel which passes through the hollow box body, and the through channel is provided with a workpiece conveying device; and an infrared heating pipe electrically connected with a motor outside the hollow box body is arranged beside the through channel. The infrared heating pipe is controlled to work or not by controlling the electric connection state of the motor and the infrared heating pipe. Infrared heating compares in traditional hot-blast heating, need not the air and regards as the heat carrier, consequently need not to let in a large amount of air to the cavity box in, has just also avoided the air flow too big to cause the damage to the fine structure of COF product, has avoided introducing the impurity that influences COF product quality such as dust simultaneously at the in-process that lets in a large amount of air, has improved product quality.

Description

Infrared oven

Technical Field

The utility model relates to a COF (chip on film) processing equipment field especially relates to an infrared oven.

Background

COF is a new packaging technology that uses a flexible additional circuit board as a packaging chip carrier to connect a chip and a flexible substrate circuit, or a flexible additional circuit board that is not packaged with a chip.

Need through the stoving drying process mostly in the production process of COF product, the equipment of this process of realization that has now adopts the mode of electrical heating more, for the speed of accelerating the interior material drying of oven, need let in a large amount of air in to the oven, it flows to form the hot-blast, thereby reach the effect of toasting, COF product circuit is meticulous, when letting in a large amount of air in to the oven, introduce impurity such as dust easily, pollute the COF product, influence the product quality, and air flow still probably causes the damage to the meticulous structure of COF product when big.

Therefore, it is necessary to design a new apparatus for baking COF products in order to protect the fine structure and product quality of the COF products.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an infrared oven is provided, utilize the utility model discloses a device can guarantee that the product quality makes it not receive the pollution at the stoving in-process in the fine structure of protection COF product.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

an infrared oven, comprising: the device comprises a closed hollow box body and a workpiece conveying device, wherein a through channel penetrating through the hollow box body is arranged on the through channel; an infrared heating pipe is arranged beside the through channel and is electrically connected with a motor positioned outside the hollow box body.

In a preferred embodiment, the air purification device further comprises a CDA purification system, wherein the CDA purification system is communicated with an air pipe positioned inside the hollow box body, and an air hole is formed in the air pipe.

In a preferred embodiment, the air pipe is disposed between the through channel and the infrared heating pipe, and the plurality of air holes are concentrated on a side of the air pipe close to the infrared heating pipe.

In a preferred embodiment, several infrared heating pipes are arranged on both sides of the through channel, distributed along the direction of the through channel, and are electrically connected to the motor, respectively.

In a preferred embodiment, the CDA purification system is disposed within the hollow enclosure.

In a preferred embodiment, the workpiece conveying device comprises several sets of conveying rollers.

In a preferred embodiment, several sets of said conveyor rollers are evenly arranged along said through channel.

The utility model has the advantages that:

the utility model comprises a closed hollow box body, and is provided with a through passage which passes through the hollow box body, and a workpiece conveying device is arranged on the through passage; and an infrared heating pipe electrically connected with a motor outside the hollow box body is arranged beside the through channel. The infrared heating pipe is controlled to work or not by controlling the electric connection state of the motor and the infrared heating pipe. Infrared heating compares in traditional hot-blast heating, need not the air and regards as the heat carrier, consequently need not to let in a large amount of air to the cavity box in, has just also avoided the air flow too big to cause the damage to the fine structure of COF product, has avoided introducing the impurity that influences COF product quality such as dust simultaneously at the in-process that lets in a large amount of air, has improved product quality.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic block diagram of one embodiment of a conventional electrically heated oven;

fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings, unless otherwise specified.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

FIG. 1 is a schematic block diagram of one embodiment of a conventional electrically heated oven; fig. 2 is a schematic structural diagram of an embodiment of the present invention. Referring to fig. 2, the infrared oven includes:

the device comprises a hollow box body 1, an infrared heating pipe 2, a CDA purification system 3, an air pipe 4 and a conveying roller 5.

Also shown in fig. 2 is a workpiece a. The arrows inside the hollow box 1 in fig. 2 show the air flow direction, and the arrows outside the hollow box 1 show the conveying direction of the workpiece a.

In the invention, a closed hollow box body 1 is arranged, at least two through holes 101 are arranged on a box plate of the hollow box body 1, a through channel penetrating through the hollow box body 1 is formed between the two through holes 101, a workpiece conveying device is arranged on the through channel, and an infrared heating pipe 2 is arranged beside the through channel; the infrared heating pipe 2 is electrically connected with a motor outside the hollow box body 1.

At the moment, COF products enter the hollow box body 1 through the workpiece conveying device, are conveyed out of the hollow box body 1 after passing through the through channel, and when the workpieces are in the hollow box body 1, the infrared heating pipes 2 are controlled by the motor to bake and heat the workpieces. Because infrared heating belongs to a radiation mode, the workpiece can be directly heated without an intermediate heat carrier; compared with the traditional electric heating type hot air heating shown in the figure 1, a large amount of air flow used as a heat carrier does not need to be introduced into the heating space, the problem that the fine structure of the COF product is damaged due to overlarge air flow is avoided, meanwhile, impurities which influence the quality of the COF product and the like are prevented from being introduced in the process of introducing a large amount of air, and the quality of the COF product is improved. In fig. 1, an electric heating tube 7 and a ventilation plate 10 are arranged in an oven housing 6, when a workpiece is heated, a large amount of air needs to be introduced from an air inlet 8 and then discharged from an air outlet 9, and the introduction of the large amount of air affects the quality of COF products. The arrows in figure 1 indicate the direction of the gas flow.

Here, preferably, as shown in fig. 2, the workpiece conveying device includes a plurality of sets of conveying rollers 5, further, the plurality of sets of conveying rollers 5 are uniformly disposed along the through passage, the conveying rollers 5 have a simple structure, and uniformly and stably apply forward power to the workpiece, so that the workpiece passes through the through passage.

Here, preferably, a plurality of infrared heating pipes 2 are arranged on both sides of the through channel, so that double-sided baking of the workpiece can be realized, and meanwhile, a plurality of infrared heating pipes 2 are distributed along the direction of the through channel, so that workpieces at different positions on the through channel can be simultaneously baked. Each infrared heating pipe 2 is respectively electrically connected with a motor and can be independently controlled by the motor.

In this embodiment, as shown in fig. 2, a CDA purification system 3 is preferably further provided, where the CDA purification system 3 includes a dry air compressor well known to those skilled in the art, and the structure of the CDA purification system 3 is not particularly limited as long as it can perform purification, dust removal, drying and compression treatment on the gas, and then introduce the gas into the gas pipe 4 arranged in the hollow box 1, the gas pipe 4 is provided with a gas hole 401, the purified, dust removal, drying and compressed gas is introduced into the gas pipe 4 from the CDA purification system 3, and then the gas hole 401 formed in the gas pipe 4 flows in the hollow box 1, so that an environment with uniform temperature is maintained in the hollow box 1, which is beneficial to improve the baking quality of the COF product. Of course, the air flow here is small enough not to damage the fine structure of the COF product.

Here, preferably, the air tube 4 is disposed between the through channel and the infrared heating tube 2, and the air holes 401 are concentrated on the side close to the infrared heating tube 2, at which time the air blown out from the air holes 401 is not directly blown to the work on the through channel, further protecting the fine structure of the COF product.

Further, the CDA purification system 3 is arranged in the hollow box body 1, so that an air inlet and an air outlet are prevented from being formed in the hollow box body 1, and the sealing performance of the hollow box body 1 is improved.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (7)

1. An infrared oven, comprising: the device comprises a closed hollow box body and a workpiece conveying device, wherein a through channel penetrating through the hollow box body is arranged on the through channel; an infrared heating pipe is arranged beside the through channel and is electrically connected with a motor positioned outside the hollow box body.

2. The infrared oven of claim 1, wherein: still include CDA clean system, CDA clean system with be located the inside trachea intercommunication of cavity box, set up the gas pocket on the trachea.

3. The infrared oven of claim 2, wherein: the air pipe is arranged between the through channel and the infrared heating pipe, and the air holes are concentrated on one side, close to the infrared heating pipe, of the air pipe.

4. The infrared oven of claim 1, wherein: the plurality of infrared heating pipes are arranged on two sides of the through channel, distributed along the direction of the through channel and respectively electrically connected with the motor.

5. The infrared oven of claim 2, wherein: the CDA purification system is disposed within the hollow box.

6. The infrared oven of any one of claims 1 to 5, characterized in that: the workpiece conveying device comprises a plurality of groups of conveying rollers.

7. The infrared oven of claim 6, wherein: the conveying rollers are uniformly arranged along the through channel.

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