Heating device of PCB board
Technical Field
The utility model relates to the technical field of PCB processing, in particular to a heating device of a PCB.
Background
The PCB is one of the important components in the electronic industry, almost every kind of electronic equipment, small electronic watch, calculator, large computer, communication electronic equipment and military weapon system, as long as there are electronic components such as integrated circuit, etc., the electrical interconnection between them all uses the PCB, in the production process of the PCB, many wet manufacturing processes are involved, such as circuit etching, surface roughening treatment, browning, etc., after these treatments, the drying treatment needs to be carried out on the board in time, when drying, if heating is carried out on a single angle or one side, the effect may not reach the best.
According to a heating and drying structure of a PCB drying device of patent No. CN212058109U, there are the following disadvantages when in use:
(1) the PCB processing method has the advantages that the PCB processing method cannot process large-batch PCBs quickly, moisture generated by drying cannot be treated, and heat cannot be recycled.
(2) The PCB board cannot be rapidly collected.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a heating device for a PCB, which solves the problems that a large quantity of PCBs cannot be processed quickly, moisture generated by drying cannot be treated, and heat cannot be recycled.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a PCB heating device comprises a frame, wherein a conveying belt is fixedly connected to the inner cavity of the frame, a support frame is fixedly connected to the top of the frame, a fan is fixedly connected to the top of the support frame, a first electric push rod is fixedly connected to the bottom of the support frame, an upper air box is fixedly connected to the bottom end of a piston rod of the first electric push rod, an air outlet of the fan is communicated with an air outlet hose, one end of the air outlet hose is communicated with the inner cavity of the upper air box, a heating pipe is fixedly connected to the inner cavity of the upper air box, a second electric push rod is fixedly connected to the inner cavity of the frame, a lower air box is movably connected to the inner cavity of the frame, the top end of the piston rod of the second electric push rod is fixedly connected to the bottom of the lower air box, an adsorption plate and a filter frame are fixedly connected to the inner cavity of the lower air box respectively, an air suction port of the fan is communicated with an air suction hose, one end of the air suction hose is communicated with the inner cavity of the lower air box, the air draft hose is located the one end fixedly connected with filter screen of air box inner chamber down, the bottom intercommunication of air box has drainage pipe down, the fretwork groove has been seted up on the surface of conveyer belt.
As a further scheme of the utility model: the storage box is fixedly connected to the left side of the rack, a storage box is connected to the left side of the storage box in a sliding mode, the right side of the storage box penetrates through the left side of the storage box and extends to an inner cavity of the storage box, and a handle is fixedly connected to the top of the storage box.
As a further scheme of the utility model: the top fixedly connected with deflector of containing box, one side of deflector flushes with the surface of conveyer belt.
As a further scheme of the utility model: one end of the drainage pipeline is communicated with the waste water collecting position.
As a further scheme of the utility model: the adsorption plate is provided with two, and the inner cavities of the lower air box are symmetrically distributed.
Advantageous effects
The utility model provides a heating device of a PCB (printed circuit board). Compared with the prior art, the method has the following beneficial effects:
1. a conveyor belt is fixedly connected with the inner cavity of a rack, a support frame is fixedly connected with the top of the rack, a fan is fixedly connected with the top of the support frame, a first electric push rod is fixedly connected with the bottom of the support frame, an upper air box is fixedly connected with the bottom end of a piston rod of the first electric push rod, an air outlet of the fan is communicated with an air outlet hose, one end of the air outlet hose is communicated with the inner cavity of the upper air box, a heating pipe is fixedly connected with the inner cavity of the upper air box, a second electric push rod is fixedly connected with the inner cavity of the rack, a lower air box is movably connected with the inner cavity of the rack, the top end of a piston rod of the second electric push rod is fixedly connected with the bottom of the lower air box, an adsorption plate and a filter frame are respectively and fixedly connected with the inner cavity of the lower air box, an air suction opening of the fan is communicated with an air suction hose, one end of the air suction hose is communicated with the inner cavity of the lower air box, and one end of the air suction hose is fixedly connected with a filter screen, the bottom intercommunication of gas tank down has drainage pipe, the fretwork groove has been seted up on the surface of conveyer belt, go up gas tank and gas tank down and live the PCB board clamp, the even transport of hot-air goes up the gas tank, dry to the PCB board, produce the damp and hot air that contains steam, the convulsions hose carries out convulsions this moment, go up the gas tank through gas tank and follow the fretwork groove suction of conveyer belt damp and hot air, through the dual filtration of filter screen and filter stand, steam circulation uses, the moisture gathers into the water droplet through the adsorption plate, discharge from drainage pipe, can dry the PCB board fast, and can reuse steam effectively.
2. The utility model provides a heating device of PCB board, left side fixedly connected with containing box through the frame, containing box left side sliding connection has the case, the left side of case runs through the left side of containing box and extends to the inner chamber of containing box, the top fixedly connected with handle of case, after drying, first electric push rod and second electric push rod are withdrawed, the conveyer belt continues to carry, the PCB board after the stoving slides in the containing box through the direction of deflector and collects in unison, collect the PCB board together fast.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1. a frame; 2. a conveyor belt; 3. a support frame; 4. a fan; 5. a first electric push rod; 6. an upper air box; 7. an air outlet hose; 8. heating a tube; 9. a second electric push rod; 10. a lower air box; 11. an adsorption plate; 12. a filter frame; 13. an air draft hose; 14. a filter screen; 15. a water discharge pipeline; 16. a storage box; 17. a storage box; 18. a guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a heating device of a PCB comprises a frame 1, wherein a conveying belt 2 is fixedly connected with an inner cavity of the frame 1, a support frame 3 is fixedly connected with the top of the frame 1, a fan 4 is fixedly connected with the top of the support frame 3, a first electric push rod 5 is fixedly connected with the bottom of the support frame 3, an upper air box 6 is fixedly connected with the bottom end of a piston rod of the first electric push rod 5, an air outlet of the fan 4 is communicated with an air outlet hose 7, one end of the air outlet hose 7 is communicated with the inner cavity of the upper air box 6, a heating pipe 8 is fixedly connected with the inner cavity of the upper air box 6, a second electric push rod 9 is fixedly connected with the inner cavity of the frame 1, a lower air box 10 is movably connected with the inner cavity of the frame 1, the top end of a piston rod of the second electric push rod 9 is fixedly connected with the bottom of the lower air box 10, an adsorption plate 11 and a filter frame 12 are respectively fixedly connected with the inner cavity of the lower air box 10, an air suction opening of the fan 4 is communicated with an air suction hose 13, one end of the air hose 13 is communicated with the inner cavity of the lower air box 10, one end of the air draft hose 13, which is positioned in the inner cavity of the lower air box 10, is fixedly connected with a filter screen 14, the upper air box 6 and the lower air box 10 clamp the PCB, hot air is uniformly conveyed into the upper air box 6 to dry the PCB to generate damp and hot air containing water vapor, the air draft hose 13 drafts air at the moment, the damp and hot air is sucked in from the hollow groove of the conveyor belt 2 through the lower air box 10, the damp and hot air is subjected to double filtration through the filter screen 14 and the filter frame 12, the hot air is recycled, the moisture is accumulated into water drops through the adsorption plate 11 and is discharged from the drainage pipe 15, the PCB can be rapidly dried and the hot air can be effectively reused, the bottom of the lower air box 10 is communicated with the drainage pipe 15, the hollow groove is formed in the surface of the conveyor belt 2, a storage box 16 is fixedly connected to the left side of the rack 1, a storage box 17 is slidably connected to the left side of the storage box 16, after drying, the first electric push rod 5 and the second electric push rod 9 are retracted, conveyer belt 2 continues to carry, the PCB board after the stoving is collected in the storage box 17 through the direction landing of deflector 18 in unison, collect the PCB board together fast, storage box 17's right side runs through storage box 16's left side and extends to storage box 16's inner chamber, storage box 17's top fixedly connected with handle, storage box 16's top fixedly connected with deflector 18, one side of deflector 18 flushes with conveyer belt 2's surface, drainage pipe 15's one end and wastewater collection department intercommunication, adsorption plate 11 is provided with two, and the inner chamber symmetric distribution of gas box 10 under.
When the PCB drying machine is used, a PCB is conveyed through the conveyor belt 2, the PCB is conveyed to the position below the upper air box 6, the conveyor belt 2 stops conveying, the first electric push rod 5 is started to drive the upper air box 6 to be pressed downwards, the second electric push rod 9 is started to drive the lower air box 10 to jack up, the PCB is clamped by the upper air box 6 and the lower air box 10, the fan 4 is started to exhaust air through the air outlet hose 7, hot air is uniformly conveyed into the upper air box 6 after being heated by the heating pipe 8 to dry the PCB, humid and hot air containing water vapor is generated, the air exhaust hose 13 exhausts air at the moment, the humid and hot air is sucked into the hollow groove of the conveyor belt 2 through the lower air box 10 and is subjected to double filtration through the filter screen 14 and the filter rack 12, the hot air is recycled, the moisture is accumulated into water drops through the adsorption plate 11 and is exhausted from the drainage pipe 15, and after being dried, the first electric push rod 5 and the second electric push rod 9 are retracted, the conveyor belt 2 continues to convey, and the dried PCB slides into the storage box 17 for uniform collection through the guidance of the guide plate 18.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.