CN218554662U

CN218554662U - PCB board quick drying device

Info

Publication number: CN218554662U
Application number: CN202222114827.8U
Authority: CN
Inventors: 沈岳清
Original assignee: Wuxi Yitong Tengfei Technology Co ltd
Current assignee: Wuxi Yitong Tengfei Technology Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-03-03
Anticipated expiration: 2032-08-12

Abstract

The utility model provides a PCB board fast drying device, which comprises a drying box body, wherein a bearing plate is arranged at the lower side in the drying box body, a plurality of first limiting grooves are arranged at equal intervals on the bearing plate, and a through groove is arranged between the adjacent first limiting grooves; a cavity is formed in the top of the drying box body, a plurality of strip-shaped ventilation holes are formed in the lower portion of the cavity at equal intervals, the strip-shaped ventilation holes correspond to the through grooves, and a plurality of second limiting grooves are formed between every two adjacent strip-shaped ventilation holes; the drying box body is characterized in that an air inlet communicated to the cavity is formed in the upper end of the drying box body, an air outlet is formed in the lower end of the drying box body, the air inlet and the air outlet are connected through a pipeline, a circulating fan is arranged on the pipeline, and a heating device is arranged on the pipeline between the circulating fan and the air inlet. The utility model has the advantages of simple structure and reasonable design, it is dried evenly for paint drying rate on the PCB board has improved production efficiency.

Description

PCB board quick drying device

Technical Field

The utility model relates to a processing production technical field of PCB board, concretely relates to PCB board quick drying device.

Background

The PCB, also called printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. In the design of a common PCB, paint is coated on the surface of the PCB, and the paint mainly can prevent soldering tin from being adhered to copper sheets at positions where the soldering tin is not needed, can prevent the copper sheets from being oxidized, can prolong the service life of a circuit board, and can prevent dust from falling on the circuit board to cause electric leakage or short circuit and the like. After the PCB board is painted, the PCB board is vertically arranged on the support at intervals, and therefore the paint on the PCB board is dried. However, in this way, the work efficiency of workers is reduced due to the fact that the paint drying speed on the PCB is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a PCB quick drying device.

In order to achieve the purpose, the utility model provides a PCB board quick drying device, which comprises a drying box body, wherein a bearing plate is arranged at the lower side in the drying box body, a plurality of first limiting grooves are arranged at equal intervals on the bearing plate, and a through groove is arranged between the adjacent first limiting grooves; the drying box body is characterized in that a cavity is formed in the top of the drying box body, and a plurality of strip-shaped ventilation holes are formed in the lower portion of the cavity at equal intervals. The strip-shaped ventilation holes correspond to the through grooves, a plurality of second limiting grooves are arranged between adjacent strip-shaped ventilation holes, and the second limiting grooves correspond to the first limiting grooves; the upper end of the drying box body is provided with an air inlet communicated to the cavity, the lower end of the drying box body is provided with an air outlet, the air inlet and the air outlet are connected through a pipeline, the pipeline is provided with a circulating fan, and a heating device is arranged on the pipeline between the circulating fan and the air inlet; still include on the lateral wall in the stoving box be on a parallel with the array setting direction of first spacing groove is provided with preheating pipe.

As the utility model discloses an optimized setting, the through groove size is less than the size in bar ventilation hole.

As the utility model discloses an it sets up to prefer, first spacing groove and second spacing groove constitute by two parallel arrangement's limiting plate.

As the utility model discloses an it is preferred to set up, two the limiting plate is the hollow out construction that both sides link up.

As the utility model discloses an it is preferable to set up, two all be provided with flexible gasket on the relative one side lateral wall of limiting plate.

As the preferred arrangement of the present invention, the heating device includes a heating shell connected to the pipeline, and an electric heating wire installed in the heating shell.

As the utility model discloses an optimized setting, it is connected with the chamber door to set up to rotate on the stoving box.

As the preferable arrangement of the utility model, the utility model also comprises a controller and a display device, wherein the heating device, the circulating fan and the preheating pipe are electrically connected to the controller; and a temperature sensor is arranged in the drying box body and electrically connected to the controller.

The utility model has the advantages that:

the utility model provides a PCB board quick drying device, preheat in to the stoving case through preheating pipe, after preheating, put into the PCB board one by one and place the portion of placing of constituteing by first spacing groove and second spacing groove, it is spacing to the upper end and the lower extreme realization of PCB board respectively by first spacing groove and second spacing groove, later through start-up circulating fan and heating device, produce hot-blastly, get into the cavity in proper order from the air intake, in the stoving case, discharge from the lower extreme air outlet at last, the secondary cycle, hot-blastly blow through between the PCB board, accelerate PCB's stoving speed. The utility model has the advantages of simple structure and reasonable design, make the stoving box keep in a higher temperature environment through preheating, continuously produce hot-blastly through circulating fan, heating device and dry to the PCB board, it is even to dry for paint drying speed on the PCB board has improved production efficiency.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a fast drying device for a PCB provided by the present invention;

FIG. 2 is a schematic view of the internal structure of the PCB board rapid drying device provided by the present invention;

fig. 3 is the utility model provides a PCB board quick drying device's cross-sectional view.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 to which this invention belongs. The terminology used herein in the description of the invention 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 and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the utility model provides a quick drying device for a PCB, which comprises a drying box body 1, wherein a bearing plate 2 is arranged at the lower side in the drying box body 1, a plurality of first limiting grooves 3 are arranged on the bearing plate 2 at equal intervals, and a through groove 4 is arranged between the adjacent first limiting grooves 3; the top of the drying box body 1 is provided with a cavity 5, and the lower part of the cavity 5 is provided with a plurality of strip-shaped ventilation holes 6 at equal intervals. The strip-shaped ventilation holes 6 correspond to the through grooves 4, a plurality of second limiting grooves 7 are formed between every two adjacent strip-shaped ventilation holes 5, and the second limiting grooves 7 correspond to the first limiting grooves 3; an air inlet 8 communicated to the cavity 5 is formed in the upper end of the drying box body 1, an air outlet 9 is formed in the lower end of the drying box body, the air inlet 8 is connected with the air outlet 9 through a pipeline 10, a circulating fan 11 is arranged on the pipeline 10, and a heating device 12 is arranged on the pipeline between the circulating fan 11 and the air inlet 8; and the drying box further comprises a preheating pipe 13 which is arranged on one side wall in the drying box body 1 and is parallel to the array arrangement direction of the first limiting groove 3. Preheat in to drying box 1 through preheating pipe 13, after preheating, produce hot-blastly through circulating fan 11 and heating device 12, it is even to dry, and under the air current effect, can very big promotion drying efficiency, avoids directly adopting the heating pipe heating stoving and the local high temperature that leads to, and the condition that makes PCB appear damaging takes place.

As the preferred setting of the embodiment of the present invention, further, the size of the through groove 4 is smaller than the size of the bar-shaped ventilation hole 6.

As the utility model discloses the preferred setting of embodiment, furtherly, first spacing groove 3 and second spacing groove 7 constitute by two parallel arrangement's limiting plate 14. And the two limit plates 14 are both hollow structures with two through sides. And flexible gaskets are arranged on the side walls of the two opposite limiting plates 14.

As a preferred arrangement of the embodiment of the present invention, further, the heating device 12 includes a heating shell connected to the pipeline 10, and an electric heating wire installed in the heating shell.

As the embodiment of the utility model provides a preferred setting, furtherly, it is connected with chamber door 15 to set up to rotate on the stoving box 1.

As a preferable configuration of the embodiment of the present invention, further, the present invention further comprises a controller and a display device, wherein the heating device 12, the circulating fan 11, and the preheating pipe 13 are electrically connected to the controller; and a temperature sensor is arranged in the drying box body and electrically connected to the controller.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims

1. A PCB board fast drying device comprises a drying box body and is characterized in that a bearing plate is arranged on the lower side in the drying box body, a plurality of first limiting grooves are arranged on the bearing plate at equal intervals, and a through groove is arranged between every two adjacent first limiting grooves; a cavity is formed in the top of the drying box body, a plurality of strip-shaped ventilation holes are formed in the lower portion of the cavity at equal intervals, the strip-shaped ventilation holes correspond to the through grooves, a plurality of second limiting grooves are formed between every two adjacent strip-shaped ventilation holes, and the second limiting grooves correspond to the first limiting grooves; the upper end of the drying box body is provided with an air inlet communicated to the cavity, the lower end of the drying box body is provided with an air outlet, the air inlet and the air outlet are connected through a pipeline, the pipeline is provided with a circulating fan, and a heating device is arranged on the pipeline between the circulating fan and the air inlet; still include be in on the drying box internal side wall be on a parallel with the array direction of setting up of first spacing groove is provided with the preheating pipe.

2. The PCB board fast drying device of claim 1, wherein the size of the through slot is smaller than that of the strip-shaped vent hole.

3. The PCB board rapid drying device of claim 1, wherein the first limiting groove and the second limiting groove are both composed of two limiting plates arranged in parallel.

4. The PCB board quick drying device of claim 3, wherein the two limiting plates are both hollow structures with two through sides.

5. The PCB board fast drying device of claim 3, wherein flexible gaskets are arranged on the side walls of the two limiting plates opposite to each other.

6. The PCB panel rapid drying apparatus of claim 1, wherein the heating means comprises a heating case connected to the duct, and an electric heating wire installed in the heating case.

7. The PCB board quick drying device of claim 1, wherein the drying box body is provided with a box door in a rotating connection.

8. The PCB board rapid drying device of claim 1, further comprising a controller and a display device, wherein the heating device, the circulating fan and the preheating pipe are electrically connected to the controller; and a temperature sensor is arranged in the drying box body and electrically connected to the controller.