阅读说明：本技术 一种印刷电路板加工用自动化干燥装置 (Automatic drying device is used in printed circuit board processing ) 是由 费城 于 2019-10-31 设计创作，主要内容包括：本发明涉及自动化加工设备领域,具体是一种印刷电路板加工用自动化干燥装置,包括左侧架和右侧架,所述左侧架和右侧架之间排布有若干输送干燥筒,输送干燥筒的一端通过左旋转连接件与上进气管或下出气管连接,输送干燥筒的另一端通过右旋转连接件与上进气管或下出气管连接,且上进气管和下出气管的另一端分别与上通风箱和下通风箱连接；相邻的两个输送干燥筒的左端分别通过左旋转连接件与上进气管和下出气管连接；相邻的两个输送干燥筒的右端分别通过右旋转连接件与上进气管和下出气管连接。本发明可使得通风网筒外侧具有较佳的空气流动性,提升对印刷电路板的干燥效果,同时热量能够得到充分利用,节能环保。(The invention relates to the field of automatic processing equipment, in particular to an automatic drying device for processing a printed circuit board, which comprises a left side frame and a right side frame, wherein a plurality of conveying drying cylinders are arranged between the left side frame and the right side frame, one end of each conveying drying cylinder is connected with an upper air inlet pipe or a lower air outlet pipe through a left rotary connecting piece, the other end of each conveying drying cylinder is connected with the upper air inlet pipe or the lower air outlet pipe through a right rotary connecting piece, and the other ends of the upper air inlet pipe and the lower air outlet pipe are respectively connected with an upper ventilation box and a lower ventilation box; the left ends of two adjacent conveying drying cylinders are respectively connected with an upper air inlet pipe and a lower air outlet pipe through a left rotary connecting piece; the right ends of two adjacent conveying drying cylinders are respectively connected with the upper air inlet pipe and the lower air outlet pipe through a right rotary connecting piece. The invention can lead the outer side of the ventilation net cylinder to have better air fluidity, improves the drying effect of the printed circuit board, and simultaneously can fully utilize heat, save energy and protect environment.)

1. The utility model provides a processing of printed circuit board is with automatic drying device, includes left side frame (4) and right side frame (10), its characterized in that:

the lower ends of the left side frame (4) and the right side frame (10) are fixed on a lower ventilation box (20), and the upper ventilation boxes (6) are fixed at the upper ends of the left side frame (4) and the right side frame (10) in a spanning manner;

a plurality of conveying and drying cylinders (9) are uniformly distributed between the left side frame (4) and the right side frame (10), and the conveying and drying cylinders (9) are driven by a driving mechanism to synchronously rotate in the same direction;

two ends of the conveying drying cylinder (9) are respectively rotatably connected with the left side frame (4) and the right side frame (10), one end of the conveying drying cylinder (9) is connected with the upper air inlet pipe (3) or the lower air outlet pipe (18) through a left rotary connecting piece (1), the other end of the conveying drying cylinder (9) is connected with the upper air inlet pipe (3) or the lower air outlet pipe (18) through a right rotary connecting piece (12), and the other ends of the upper air inlet pipe (3) and the lower air outlet pipe (18) are respectively connected with the upper ventilating box (6) and the lower ventilating box (20);

the left ends of two adjacent conveying drying cylinders (9) are respectively connected with an upper air inlet pipe (3) and a lower air outlet pipe (18) through a left rotary connecting piece (1), and the other ends of the upper air inlet pipe (3) and the lower air outlet pipe (18) are respectively connected to the left sides of an upper ventilating box (6) and a lower ventilating box (20);

the right ends of two adjacent conveying drying cylinders (9) are connected with an upper air inlet pipe (3) and a lower air outlet pipe (18) through a right rotary connecting piece (12), and the other ends of the upper air inlet pipe (3) and the lower air outlet pipe (18) are connected to the right sides of an upper ventilation box (6) and a lower ventilation box (20) respectively.

2. The automatic drying device for processing the printed circuit board according to claim 1, wherein the driving mechanism comprises a driving pulley (11) fixed at the same end of the plurality of conveying and drying drums (9), the driving pulleys (11) of two adjacent conveying and drying drums (9) are connected through a driving belt (14), the driving pulley (11) of one conveying and drying drum (9) is further connected with a driving pulley (16) through a driving belt (15), the driving pulley (16) is fixed on an output shaft of a driving motor (17), and the driving motor (17) is fixed on the left side frame (4) or the right side frame (10).

3. The automatic drying device for processing the printed circuit board according to claim 1, wherein the upper air inlet pipe (3) and the lower air outlet pipe (18) are respectively communicated with the inner cavities of the upper ventilating box (6) and the lower ventilating box (20), a plurality of upper temperature control fans (8) for pumping the air in the upper side of the conveying drying cylinder (9) into the inner cavity of the upper ventilating box (6) are installed in the middle of the bottom of the upper ventilating box (6), and a plurality of lower temperature control fans (22) for conveying the air in the inner cavity of the lower ventilating box (20) to the lower side space of the conveying drying cylinder (9) are installed in the middle of the top of the lower ventilating box (20); and a filter screen (23) is also arranged in the inner cavity of the lower ventilation box (20).

4. The automatic drying device for processing the printed circuit board according to claim 3, wherein the front projection of the inner cavities of the upper ventilation box (6) and the lower ventilation box (20) are rhombus-shaped.

5. The automatic drying device for processing the printed circuit board according to claim 4, wherein the filter screen (23) is of a structure with a middle arc-shaped downward protrusion, the lower air outlet pipe (18) is communicated with the lower side space of the filter screen (23) in the lower ventilation box (20), the air inlet of the lower temperature control fan (22) is communicated with the upper side space of the filter screen (23) in the lower ventilation box (20), and the middle of the bottom of the lower ventilation box (20) is further provided with a dust exhaust port (21).

6. The automatic drying device for processing the printed circuit board according to any one of claims 1 to 5, wherein the conveying drying cylinder (9) comprises a ventilation net cylinder (7) with a cylindrical structure, two ends of the ventilation net cylinder (7) are respectively provided with and fixed with a circular baffle plate (5), the middle part of the baffle plate (5) on the left side of the ventilation net cylinder (7) is provided with and fixed with a left rotating pipe (2), the right end of the left rotating pipe (2) is communicated with the inner cavity of the ventilation net cylinder (7), and the left end of the left rotating pipe (2) is connected with the upper air inlet pipe (3) or the lower air outlet pipe (18) through a left rotating connecting piece (1); a right rotating pipe (13) is fixedly arranged in the middle of the baffle (5) on the right side of the ventilation net cylinder (7), the left end of the right rotating pipe (13) is communicated with the inner cavity of the ventilation net cylinder (7), and the right end of the right rotating pipe (13) is connected with the upper air inlet pipe (3) or the lower air outlet pipe (18) through a right rotating connecting piece (12); the inboard installation of a ventilation net section of thick bamboo (7) is fixed with a cloth dryer (24), cloth dryer (24) are the cylindrical structure of middle part arc indent, and the both ends of cloth dryer (24) are fixed with the outer lane sealing connection of two baffles (5) respectively, still seted up a plurality of air vents (25) on cloth dryer (24), the inboard and the outside middle part of cloth dryer (24) are provided with interior median septum (27) and outer median septum (26) respectively.

7. The automatic drying device for processing the printed circuit board according to claim 6, wherein the inner middle partition plate (27) and the outer middle partition plate (26) are arranged in parallel to the baffle (5), the outer ring of the inner middle partition plate (27) is fixedly connected with the inner wall of the air distribution cylinder (24) in a sealing manner, the inner ring of the outer middle partition plate (26) is fixedly connected with the outer wall of the air distribution cylinder (24) in a sealing manner, and the outer ring of the outer middle partition plate (26) is fixedly connected with the inner wall of the ventilation cylinder (7) in a sealing manner.

Technical Field

The invention relates to the field of automatic processing equipment, in particular to an automatic drying device for processing a printed circuit board.

Background

The printed circuit board drying device is used as an important component in vertical continuous electroplating equipment, is mainly used for drying the printed circuit board after electroplating cleaning is finished, and can influence the production quality of the next working procedure of the printed circuit board if residual liquid on the printed circuit board is not dried sufficiently.

Most of the existing printed circuit board drying devices are water absorption rollers wrapped with water absorption sponges, and the water absorption rollers absorb residual liquid on the surface of the printed circuit board by using the water absorption sponges, but the devices have poor water absorption effect, so that the drying effect is not ideal; the existing device adopting hot air drying has poor air flowability in a circuit board area, poor drying effect of a printed circuit board and insufficient utilization of air heat.

Therefore, in view of the above situation, there is a need to develop an automatic drying device for processing printed circuit boards, so as to overcome the shortcomings in the current practical application.

Disclosure of Invention

An embodiment of the present invention provides an automatic drying device for processing a printed circuit board, so as to solve the problems in the background art.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

an automatic drying device for processing a printed circuit board comprises a left side frame and a right side frame, wherein the lower ends of the left side frame and the right side frame are fixed on a lower ventilation box, and upper ventilation boxes are fixed at the upper ends of the left side frame and the right side frame in a spanning manner; a plurality of conveying drying cylinders are uniformly distributed between the left side frame and the right side frame and driven by a driving mechanism to synchronously rotate in the same direction; the two ends of the conveying drying cylinder are respectively rotatably connected with the left side frame and the right side frame, one end of the conveying drying cylinder is connected with the upper air inlet pipe or the lower air outlet pipe through a left rotating connecting piece, the other end of the conveying drying cylinder is connected with the upper air inlet pipe or the lower air outlet pipe through a right rotating connecting piece, and the other ends of the upper air inlet pipe and the lower air outlet pipe are respectively connected with the upper ventilation box and the lower ventilation box; the left ends of two adjacent conveying drying cylinders are respectively connected with an upper air inlet pipe and a lower air outlet pipe through a left rotary connecting piece, and the other ends of the upper air inlet pipe and the lower air outlet pipe are respectively connected to the left sides of an upper ventilation box and a lower ventilation box; and the right ends of the two adjacent conveying drying cylinders are respectively connected with an upper air inlet pipe and a lower air outlet pipe through a right rotary connecting piece, and the other ends of the upper air inlet pipe and the lower air outlet pipe are respectively connected to the right sides of an upper ventilation box and a lower ventilation box.

As a further scheme of the invention: the driving mechanism comprises a plurality of driving belt wheels which are fixedly arranged at the same end of the conveying drying cylinder, the two adjacent driving belt wheels of the conveying drying cylinder are connected through a driving belt, one of the driving belt wheels of the conveying drying cylinder is further connected with a driving belt wheel through a driving belt, the driving belt wheel is fixedly arranged on an output shaft of a driving motor, and the driving motor is fixedly arranged on a left side frame or a right side frame.

As a further scheme of the invention: the upper air inlet pipe and the lower air outlet pipe are respectively communicated with the inner cavities of the upper ventilating box and the lower ventilating box, a plurality of upper temperature control fans for pumping air on the upper side of the conveying drying cylinder into the inner cavity of the upper ventilating box are arranged in the middle of the bottom of the upper ventilating box, and a plurality of lower temperature control fans for conveying air in the inner cavity of the lower ventilating box to the space on the lower side of the conveying drying cylinder are arranged in the middle of the top of the lower ventilating box; and a filter screen is also arranged in the inner cavity of the lower ventilation box.

As a further scheme of the invention: the front-view projections of the inner cavities of the upper ventilation box and the lower ventilation box are all rhombus-shaped.

As a further scheme of the invention: the filter screen is the downward outstanding structure of middle part arc, lower outlet duct and the filter screen downside space intercommunication in the lower ventilation case, the air intake of lower control by temperature change fan and the filter screen upside space intercommunication in the lower ventilation case, still be equipped with the dust exhaust mouth in the middle of the bottom of lower ventilation case.

As a further scheme of the invention: the conveying drying cylinder comprises a cylindrical ventilation net cylinder, two ends of the ventilation net cylinder are respectively fixedly provided with a circular baffle, the middle part of the baffle on the left side of the ventilation net cylinder is fixedly provided with a left rotating pipe, the right end of the left rotating pipe is communicated with the inner cavity of the ventilation net cylinder, the left end of the left rotating pipe is connected with an upper air inlet pipe or a lower air outlet pipe through a left rotating connecting piece, the middle part of the baffle on the right side of the ventilation net cylinder is fixedly provided with a right rotating pipe, the left end of the right rotating pipe is communicated with the inner cavity of the ventilation net cylinder, and the right end of the right rotating pipe is connected with the upper air inlet pipe or the lower air outlet pipe; the utility model discloses a ventilation net section of thick bamboo, including a ventilation net section of thick bamboo, cloth dryer, the inboard installation of ventilation net section of thick bamboo is fixed with a cloth dryer, the cloth dryer is the cylindrical structure of middle part arc indent, and the both ends of cloth dryer are fixed with the outer lane sealing connection of two baffles respectively, still seted up a plurality of air vents on the cloth dryer, the inboard and the outside middle part of cloth dryer are provided with interior median septum and outer median septum respectively.

As a further scheme of the invention: the inner middle partition board and the outer middle partition board are arranged in parallel to the baffle, the outer ring of the inner middle partition board is fixedly connected with the inner wall of the air distribution cylinder in a sealing mode, the inner ring of the outer middle partition board is fixedly connected with the outer wall of the air distribution cylinder in a sealing mode, and the outer ring of the outer middle partition board is fixedly connected with the inner wall of the ventilation net cylinder in a sealing mode.

As a further scheme of the invention: the driving belt wheel is installed and fixed on the left rotating pipe or the right rotating pipe.

Compared with the prior art, the embodiment of the invention has the beneficial effects that:

according to the automatic drying device for processing the printed circuit board, the conveying drying cylinder is structurally arranged, the connection of the two ends of the conveying drying cylinder is limited, and when the upper temperature control fan, the lower temperature control fan and the driving mechanism work, the conveying drying cylinder can be driven to synchronously rotate in the same direction through the driving mechanism, so that the conveying of the printed circuit board placed on the conveying drying cylinder is facilitated; when the printed circuit board is conveyed, air on the upper side of the conveying drying cylinder can be pumped into the inner cavity of the upper ventilation box by the operation of the upper temperature control fan, the air is conveyed to the upper air inlet pipe after being heated, and hot air can be conveyed into the inner cavities on the two sides of the conveying drying cylinder by the upper air inlet pipe; the lower temperature control fan works to pump out air in the inner cavities at two sides of the conveying drying cylinder, the air is conveyed to the inner cavity of the lower ventilation box through the lower air outlet pipe, dust is filtered by the filter screen, and the air is heated by the lower temperature control fan and then discharged to the lower side space of the conveying drying cylinder; through the structure setting of carrying dry section of thick bamboo, cloth dryer, outer median septum and interior median septum can be divided into two with a ventilation net section of thick bamboo inner chamber, and two adjacent ventilation net section of thick bamboos that carry dry section of thick bamboo left side and right side cavity air direction are different for the ventilation net section of thick bamboo outside has the air mobility of preferred, promotes the drying effect to printed circuit board, and the heat can obtain make full use of, energy-concerving and environment-protective simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic top view of a portion of a transport dryer cartridge in an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a portion of the transfer dryer of fig. 2.

Fig. 4 is a schematic perspective view of a conveying drying cylinder according to an embodiment of the present invention.

In the figure: 1-left rotary connecting piece, 2-left rotary pipe, 3-upper air inlet pipe, 4-left side frame, 5-baffle, 6-upper ventilating box, 7-ventilating mesh cylinder, 8-upper temperature control fan, 9-conveying drying cylinder, 10-right side frame, 11-driving belt wheel, 12-right rotary connecting piece, 13-right rotary pipe, 14-driving belt, 15-driving belt wheel, 16-driving belt wheel, 17-driving motor, 18-lower air outlet pipe, 19-supporting leg, 20-lower ventilating box, 21-dust exhaust port, 22-lower temperature control fan, 23-filtering screen, 24-air distributing cylinder, 25-vent hole, 26-outer middle clapboard and 27-inner middle clapboard.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.