CN219555253U

CN219555253U - Drying device for PCB etching

Info

Publication number: CN219555253U
Application number: CN202320596579.7U
Authority: CN
Inventors: 葛志强; 陈万亮; 杨建蓉
Original assignee: Shenzhen Yuancheng Environmental Protection Technology Co ltd
Current assignee: Shenzhen Yuancheng Environmental Protection Technology Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-18
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to the technical field of PCB (printed circuit board) processing, in particular to a drying device for PCB etching processing, which comprises a base, wherein a box cover is arranged on the upper side of the base, a centrifugal fan is arranged on the upper side surface of the box cover, a connecting pipe is arranged on the upper side of the box cover corresponding to the position of the centrifugal fan, a supporting net is arranged on the lower side of the connecting pipe, an electric heating wire is arranged on the inner side of the supporting net, and a first blowing hole is arranged on the lower side of the supporting net. According to the utility model, through the box cover, the connecting pipe, the centrifugal fan, the first air blowing hole, the second air blowing hole, the third air blowing hole and the air guide rib plate, when the drying device is used, the dried hot air is blown out through the supporting net and then is blown and dried to the top surface, the side surface and the bottom surface of the plate through the first air blowing hole, the second air blowing hole and the third air blowing hole respectively, so that the integral drying effect of the plate is ensured.

Description

Drying device for PCB etching

Technical Field

The utility model relates to the technical field of PCB (printed circuit board) processing, in particular to a drying device for PCB etching processing.

Background

The circuit board may be referred to as a printed wiring board or a printed circuit board, and the english name is PCB wiring board. After the PCB is etched, a special drying device is needed for drying treatment, so that the connection quality of the PCB is ensured in the subsequent circuit connection process.

Through retrieving, among the prior art, patent application number CN202220961964.2 discloses a PCB circuit board processing is with stoving printing device, and wherein adopts the locking frame of opposite direction removal to press from both sides the PCB board clamp in the transportation process, keeps the plane position of circuit board on the pay-off platform at the in-process of hot-blast stoving, avoids the circuit board to be blown by the air current and leads to stoving effect not good.

However, the prior art has certain defects, and the drying device is inconvenient to perform the drying treatment on the side surface and the bottom side surface of the PCB with the best center when in use, so that the overall drying effect of the PCB is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the drying device for the etching processing of the PCB, which solves the problems that the drying device is inconvenient to carry out the effective drying treatment on the side surface and the bottom side surface of the PCB at the end when in use, and further influences the whole drying effect of the PCB.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drying device is used in PCB board etching processing, includes the base, the base upside is provided with the case lid, the case lid upside is provided with centrifugal fan, the case lid upside corresponds centrifugal fan position is provided with the connecting pipe, the connecting pipe downside is provided with the supporting network, the supporting network inboard is provided with the heating wire, the supporting network downside is provided with the blowing hole No. one, be provided with the wind-guiding floor perpendicularly in the blowing hole No. one, the inside perpendicular side of case lid is provided with the blowing hole No. two, no. two blowing hole downside is provided with the blowing hole No. three, the inside rotor that is provided with of base, the rotor outside is provided with the conveyer belt.

As a preferable technical scheme of the utility model, a rotating shaft is arranged at the center of the inner side of the rotating roller, and a supporting shaft is arranged at the outer ring side of the rotating shaft.

As a preferable technical scheme of the utility model, a right-angle speed reducer is arranged on the outer side surface of the base corresponding to the position of the rotating roller, and a driving motor is arranged on one side of the right-angle speed reducer.

As a preferable technical scheme of the utility model, exhaust pipes are symmetrically arranged on the outer side surface of the base, and a cover plate is arranged on one side surface of the box cover.

As a preferable technical scheme of the utility model, the base is connected with the box cover through bolts, and the centrifugal fan is connected with the box cover through bolts.

As a preferable technical scheme of the utility model, the output end of the right-angle speed reducer is connected with the rotating roller by a key, and the transmission belt is of a net structure.

As a preferable technical scheme of the utility model, the exhaust pipe is welded with the base, the box cover is made of galvanized steel plates, and the box cover is connected with the supporting net through bolts.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the box cover, the connecting pipe, the centrifugal fan, the first air blowing hole, the second air blowing hole, the third air blowing hole and the air guide rib plate, when the drying device is used, the dried hot air is blown out through the supporting net and then is blown and dried to the top surface, the side surface and the bottom surface of the plate through the first air blowing hole, the second air blowing hole and the third air blowing hole respectively, so that the integral drying effect of the plate is ensured.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a drying device for etching a PCB board according to the present utility model;

fig. 2 is a schematic diagram of a main sectional structure of a case cover in a drying device for etching a PCB board according to the present utility model;

fig. 3 is a right cross-sectional structure schematic diagram of a rotating roller in a drying device for etching a PCB board according to the present utility model.

In the figure: 1. a base; 2. a right angle decelerator; 3. a driving motor; 4. a transmission belt; 5. a rotating roller; 6. a case cover; 7. a centrifugal fan; 8. a cover plate; 9. a connecting pipe; 10. an air guide rib plate; 11. a first blowing hole; 12. a second blowing hole; 13. a third blowing hole; 14. a support net; 15. heating wires; 16. a rotating shaft; 17. a support shaft; 18. and an exhaust pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a drying device for etching PCB boards comprises a base 1, a case cover 6 is arranged on the upper side of the base 1, a centrifugal fan 7 is arranged on the upper side of the case cover 6, a connecting pipe 9 is arranged on the upper side of the case cover 6 corresponding to the position of the centrifugal fan 7, a supporting net 14 is arranged on the lower side of the connecting pipe 9, an electric heating wire 15 is arranged on the inner side of the supporting net 14, a first blowing hole 11 is arranged on the lower side of the supporting net 14, a wind guide rib plate 10 is vertically arranged in the first blowing hole 11, a second blowing hole 12 is arranged on the inner vertical side of the case cover 6, a third blowing hole 13 is arranged on the lower side of the second blowing hole 12, a rotating roller 5 is arranged in the base 1, and a conveying belt 4 is arranged on the outer side of the rotating roller 5.

In this embodiment, the rotating shaft 16 is disposed at the center of the inner side of the rotating roller 5, the supporting shaft 17 is disposed at the outer ring side of the rotating shaft 16, and the supporting shaft 17 can connect the rotating shaft 16 with the rotating roller 5, so that the rotating shaft 16 can drive the rotating roller 5 to rotate.

In this embodiment, the position of the outer side of the base 1 corresponding to the rotating roller 5 is provided with a right-angle reducer 2, one side of the right-angle reducer 2 is provided with a driving motor 3, the driving motor 3 provides power for the rotation of the rotating roller 5, and the right-angle reducer 2 can perform deceleration processing on the rotation speed of the driving motor 3.

In this embodiment, the outer side surface of the base 1 is symmetrically provided with the exhaust pipes 18, one side surface of the cover 6 is provided with the shielding plate 8, and the dried gas can be discharged through the exhaust pipes 18, so that the air containing moisture can be timely discharged.

In this embodiment, the base 1 is connected with the case cover 6 through a bolt, the centrifugal fan 7 is connected with the case cover 6 through a bolt, and the centrifugal fan 7 can send external air into the case cover 6, so that the PCB is effectively heated and dried.

In this embodiment, right angle reduction gear 2 output and live roller 5 key connection, transmission band 4 are network structure, and ventilation effect is guaranteed to the structure of transmission band 4, and then makes the PCB board obtain effective stoving processing.

In this embodiment, the exhaust duct 18 is welded to the base 1, the case cover 6 is made of galvanized steel sheet, and the case cover 6 is connected to the support net 14 by bolts.

Working principle: when using, the PCB board is placed on the conveyer belt 4, driving motor 3 drives the rotor roller 5 through right angle reduction gear 2 and rotates, and then make conveyer belt 4 remove for PCB panel removes to case lid 6 inboard, and centrifugal fan 7 sends the outside air into in the case lid 6, and heating wire 15 can heat the air, and the air after the heating blows out through blowing hole 11, no. two blowing holes 12 and No. three blowing holes 13, and then carries out the wind heat drying treatment to the top surface, side and the bottom surface of PCB board, makes the PCB board obtain effectual stoving treatment, and the PCB board after the stoving can continue to remove, and then carries out from the case lid 6.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Drying device is used in PCB board etching process, including base (1), its characterized in that: the novel air conditioner is characterized in that a box cover (6) is arranged on the upper side of the base (1), a centrifugal fan (7) is arranged on the upper side of the box cover (6), a connecting pipe (9) is arranged at the position corresponding to the position of the centrifugal fan (7), a supporting net (14) is arranged on the lower side of the connecting pipe (9), an electric heating wire (15) is arranged on the inner side of the supporting net (14), a first air blowing hole (11) is arranged on the lower side of the supporting net (14), an air guide rib plate (10) is vertically arranged in the first air blowing hole (11), a second air blowing hole (12) is arranged on the inner vertical side of the box cover (6), a third air blowing hole (13) is arranged on the lower side of the second air blowing hole (12), a rotating roller (5) is arranged in the inner side of the base (1), and a conveying belt (4) is arranged on the outer side of the rotating roller (5).

2. The drying device for etching a PCB board according to claim 1, wherein: the rotating roller (5) is provided with a rotating shaft (16) at the inner side center, and a supporting shaft (17) is arranged on the outer ring side of the rotating shaft (16).

3. The drying device for etching a PCB board according to claim 1, wherein: the right-angle speed reducer (2) is arranged on the outer side face of the base (1) corresponding to the position of the rotating roller (5), and the driving motor (3) is arranged on one side of the right-angle speed reducer (2).

4. The drying device for etching a PCB board according to claim 1, wherein: exhaust pipes (18) are symmetrically arranged on the outer side face of the base (1), and a cover plate (8) is arranged on one side face of the box cover (6).

5. The drying device for etching a PCB board according to claim 1, wherein: the base (1) is connected with the box cover (6) through bolts, and the centrifugal fan (7) is connected with the box cover (6) through bolts.

6. A drying device for etching a PCB board according to claim 3, wherein: the output end of the right-angle speed reducer (2) is in key connection with the rotating roller (5), and the conveying belt (4) is of a net-shaped structure.

7. The drying device for etching a PCB board of claim 4, wherein: the exhaust pipe (18) is welded with the base (1), the box cover (6) is made of galvanized steel plates, and the box cover (6) is connected with the supporting net (14) through bolts.