CN218495711U

CN218495711U - Drying device of PCB board

Info

Publication number: CN218495711U
Application number: CN202221872203.6U
Authority: CN
Inventors: 沈岳清
Original assignee: Wuxi Yitong Tengfei Technology Co ltd
Current assignee: Wuxi Yitong Tengfei Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-02-17
Anticipated expiration: 2032-07-15

Abstract

The utility model provides a PCB drying device, which comprises a drying box body, wherein the drying box body is rotatably connected with a box door, a rotary disc is arranged in the drying box body, the lower end of the rotary disc is coaxially connected with a rotary shaft, and a bearing seat used for installing the rotary shaft is arranged on the bottom plate of the drying box body; the bottom of the drying box body is sequentially provided with a speed reducer and a driving motor, and the rotating shaft is connected with the output end of the speed reducer through a coupler; a group of heating pipes is respectively arranged on each side wall in the drying box body; a plurality of drying brackets which are arranged in a stacked mode are arranged on the rotary table; and the lower end surface of the drying bracket and the first connecting pipe are coaxially provided with corresponding second connecting pipes. The utility model discloses its simple structure can each dry the bracket rotation under the carousel rotates, can dry evenly.

Description

Drying device of PCB board

Technical Field

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

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.

The PCB board is after the japanning, need dry, and after the PCB board was painted, the PCB inter-plate separates vertically to set up on putting the support to paint on the PCB board dries. However, in this way, the paint drying speed on the PCB is slow, which reduces the working efficiency of the worker.

And traditional bracket, PCB board place on the bracket back PCB board back direct and bracket surface contact for the not thorough of stoving when PCB board is dried, need dry once more after treating PCB board front side stoving with its upset back, drying efficiency is low.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the purpose, the utility model provides a drying device for PCB boards, which comprises a drying box body, wherein a box door is rotatably connected on the drying box body, a rotary disc is arranged in the drying box body, the lower end of the rotary disc is coaxially connected with a rotary shaft, and a bearing seat for installing the rotary shaft is arranged on the bottom plate of the drying box body; the bottom of the drying box body is sequentially provided with a speed reducer and a driving motor, and the rotating shaft is connected with the output end of the speed reducer through a coupler; a group of heating pipes is respectively arranged on each side wall in the drying box body; a plurality of drying brackets which are arranged in a stacked mode are arranged on the rotary table; the drying device comprises a drying bracket, a turntable, a first connecting pipe, a second connecting pipe and a control device, wherein the upper end surfaces of the drying bracket and the turntable are respectively provided with a corresponding first connecting pipe, the lower end surface of the drying bracket and the first connecting pipe are coaxially provided with a corresponding second connecting pipe, and the outer diameter of the second connecting pipe is smaller than the inner diameter of the first connecting pipe.

As the utility model discloses a preferred setting, the second connecting pipe external diameter is less than first connecting pipe internal diameter 0.1 ~ 1mm.

As a preferred arrangement of the utility model, the drying bracket comprises a supporting plate, and a plurality of accommodating grooves are arranged on the supporting plate; a first through groove penetrating through the lower end face of the supporting plate is formed in the bottom of each accommodating groove; second through grooves are respectively arranged on the periphery of the first through groove; the second through grooves are in a trapezoid structure, and two adjacent waist lines of two adjacent second through grooves are arranged in parallel.

As the utility model discloses an optimized setting, the storage tank is in evenly distributed on the layer board.

As the utility model discloses a preferred setting, the storage tank is in according to 5 x 5's ranks evenly distributed on the layer board.

As an optimal arrangement of the present invention, the second through groove is provided with a flexible gasket in an area between two adjacent and parallel waistlines.

As the utility model discloses an it is preferred to set up, a set of the heating pipe includes that three equidistant evenly set up heating pipe on the inside wall of stoving box.

The utility model has the advantages that:

the utility model provides a pair of drying device of PCB board, through set up corresponding first connecting pipe and second connecting pipe at stoving bracket up end and lower terminal surface, the second connecting pipe can be inserted in first connecting pipe, and the multilayer can be range upon range of to the bracket, and its simple structure can satisfy the demand that big batch PCB once dried, simultaneously, can each dry the bracket rotation under the carousel rotates, can dry evenly.

The utility model provides a pair of drying device of PCB board is through setting up at the storage tank to set up first through groove, second in the storage tank and link up the groove, and adjacent two the second links up the area between two adjacent and parallel stringcourse in groove and is provided with the flexible gasket, and the PCB board is placed and is heightened by the flexible gasket after in the storage tank for the PCB board back is basically contactless with the bracket, makes PCB tow sides can be dried in step, increases drying efficiency.

Drawings

Fig. 1 is a schematic perspective view of a drying device for PCB boards provided by the present invention;

fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic view of a first perspective three-dimensional structure of the drying bracket provided by the present invention;

FIG. 4 is an enlarged view at A of FIG. 3;

fig. 5 is a schematic view of a second perspective three-dimensional structure of the drying bracket provided by the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the description of the invention 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 and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the drying device for the PCB is characterized by comprising a drying box body 1, wherein a box door (not shown in the figure) is rotatably connected to the drying box body 1, a rotary table 2 is arranged in the drying box body 1, a rotary shaft 3 is coaxially connected to the lower end of the rotary table 2, and a bearing seat for mounting the rotary shaft 3 is arranged on a bottom plate of the drying box body 1; the bottom of the drying box body 1 is sequentially provided with a speed reducer 4 and a driving motor 5, and the rotating shaft 3 is connected with the output end of the speed reducer 4 through a coupler; and a group of heating pipes 6 are respectively arranged on each side wall in the drying box body 1, and each group of heating pipes comprises three heating pipes which are uniformly arranged on the inner side wall of the drying box body 1 at equal intervals. A plurality of drying brackets 7 which are arranged in a stacked manner are arranged on the rotary table 3; the upper end surfaces of the drying bracket 7 and the rotary disc 3 are respectively provided with corresponding first connecting pipes 71, the lower end surface of the drying bracket 7 and the first connecting pipes 71 are coaxially provided with corresponding second connecting pipes 72, and the outer diameter of each second connecting pipe 72 is 0.1-1 mm smaller than the inner diameter of each first connecting pipe 71.

As a preferable configuration of the embodiment of the present invention, further, the drying bracket 7 further includes a supporting plate 73, and the first connecting pipe 71 and the second connecting pipe 72 are respectively disposed at the central positions of the four side edges of the upper and lower end surfaces of the supporting plate 73; a plurality of accommodating grooves 74 are uniformly distributed on the supporting plate 73 according to 5 × 5 rows and columns; a first through groove 75 penetrating through the lower end surface of the supporting plate 73 is formed in the bottom of each accommodating groove 74; second through grooves 76 are respectively arranged around the first through grooves 75; the second through grooves 76 are in a trapezoid structure, two adjacent waist lines of two adjacent second through grooves 76 are arranged in parallel, and a flexible gasket is arranged in an area between the two adjacent and parallel waist lines of two adjacent second through grooves 76.

The utility model provides a pair of drying device of PCB board is through setting up at the storage tank to set up first logical groove, second in the storage tank and link up the groove, and adjacent two the second links up two adjacent and parallel stringways in groove and the region between is provided with the flexible gasket, and the PCB board is placed and is heightened by the flexible gasket after the storage tank for the PCB board back is basically contactless with the bracket, makes the positive and negative two sides of PCB dry in step, increases drying efficiency.

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 forms the prior art that is already known to a person skilled in the art.

Claims

1. The drying device for the PCB is characterized by comprising a drying box body, wherein a box door is rotatably connected to the drying box body, a rotary table is arranged in the drying box body, the lower end of the rotary table is coaxially connected with a rotary shaft, and a bearing seat used for mounting the rotary shaft is arranged on a bottom plate of the drying box body; the bottom of the drying box body is sequentially provided with a speed reducer and a driving motor, and the rotating shaft is connected with the output end of the speed reducer through a coupler; a group of heating pipes is respectively arranged on each side wall in the drying box body; a plurality of drying brackets which are arranged in a stacked mode are arranged on the rotary table; the drying device comprises a drying bracket, a turntable, a first connecting pipe and a second connecting pipe, wherein the upper end faces of the drying bracket and the turntable are respectively provided with a corresponding first connecting pipe, the lower end face of the drying bracket and the first connecting pipe are coaxially provided with a corresponding second connecting pipe, and the outer diameter of the second connecting pipe is smaller than the inner diameter of the first connecting pipe.

2. The drying apparatus of PCB panel as claimed in claim 1, wherein the outer diameter of the second connection pipe is smaller than the inner diameter of the first connection pipe by 0.1-1 mm.

3. The PCB drying device of claim 1, wherein the drying bracket comprises a supporting plate, and a plurality of accommodating grooves are formed on the supporting plate; a first through groove penetrating through the lower end face of the supporting plate is formed in the bottom of each accommodating groove; second through grooves are respectively arranged on the periphery of the first through groove; the second through grooves are in a trapezoid structure, and two adjacent waist lines of two adjacent second through grooves are arranged in parallel.

4. The PCB drying apparatus of claim 3, wherein the receiving grooves are uniformly distributed on the supporting plate.

5. The PCB drying apparatus of claim 4, wherein the receiving grooves are uniformly distributed on the supporting plate in a 5 x 5 row.

6. The PCB drying device of claim 3, wherein a flexible gasket is arranged at a region between two adjacent and parallel waist lines of two adjacent second through grooves.

7. The PCB drying apparatus of claim 1, wherein the heating pipes comprise three heating pipes uniformly arranged at equal intervals on the inner side wall of the drying box.