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Air knife assembly and drying device

A technology of air knives and components, applied in the direction of drying gas arrangement, progressive dryer, drying solid materials, etc., can solve the problems of circuit board shaking back and forth, and achieve the effects of avoiding collision with air duct, improving air drying effect, and reducing size

Active Publication Date: 2017-02-01
UNIVERSAL CIRCUIT BOARD EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an air knife assembly with stable circuit board transfer, which aims to solve the problem of shaking back and forth when the circuit board is transferred in the prior art

Method used

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  • Air knife assembly and drying device

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] It should also be noted that the orientation terms such as left, right, up, and down in this embodiment are only relative concepts or refer to the normal use state of the product, and should not be regarded as limiting.

[0027] The el...

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Abstract

The invention relates to an air knife assembly and a drying device. The air knife assembly comprises two vertical air pipes arranged side by side. A gap is reserved between the two air pipes, and a circuit board can pass through the gap. The inner side of each air pipe is provided with at least one line of air hole groups which are distributed in the axial direction of the air pipe. Each line of air hole groups of each air pipe are arranged on the inner side. Each air hole group comprises multiple air holes. The air holes of the lines of air hole groups on the inner sides of the air pipes are arranged alternately in the axial direction of the air pipes. The air holes are of hole-shaped structures in the air pipes, so that the circuit board cannot scrape against protruding objects, and the installation distance between the air pipes is shortened; when the air holes of the lines on the inner sides are arranged alternately, the two lines of air holes are protected against opposite impact, and therefore the air drying effect on the holes is improved; and air sprayed by the air holes of the two lines on the inner sides apply the same impact force on the circuit board, the circuit board can smoothly pass through the gap of the air knife assembly, the circuit board can be effectively prevented from swinging and colliding with the air pipes, and the air pipes are prevented from scraping against the circuit board.

Description

technical field [0001] The invention relates to the field of circuit board electroplating, and more specifically relates to an air knife assembly and a drying device. Background technique [0002] The electroplating process of circuit boards involves multiple processes for surface treatment of circuit boards, such as spray cleaning, air drying, and electroplating. In the air-drying process, the circuit board needs to be dried by a drying device. The fan provides high-speed flowing air, and the air is sprayed by the air knife to dry the circuit board. The air knife assembly includes two air knives arranged side by side. An air nozzle is arranged on the air knife, which is conveyed by a transmission mechanism so that the circuit board passes between the air knife and the air nozzle sprays air to dry the circuit board. In order to avoid nozzle spraying, it is usually necessary to stagger the positions of the air nozzles, but it is easy to cause the uneven impact force of the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B21/00F26B15/00F26B25/02
CPCF26B15/00F26B21/001F26B21/004F26B25/02
Inventor 陈德和
Owner UNIVERSAL CIRCUIT BOARD EQUIP CO LTD
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