Circuit board drying structure

Abstract

The utility model discloses a circuit board drying structure, which comprises a base and a cylindrical shell fixed on the base, the bottom end of the cylindrical shell is closed, an air blower is fixed on the base, air outlet holes are uniformly formed in the inner wall and the top surface of the bottom wall of the cylindrical shell, and an air inlet channel communicated with the air outlet holes is fixed on the bottom surface of the bottom wall of the cylindrical shell; the air blower communicates with the air inlet channel through an air guide pipe, and an electric heating module is fixed in the air guide pipe. A lifting air cylinder is fixed on the base, a supporting shaft rod connected with the lifting air cylinder is arranged in the cylindrical shell, and a plurality of strip-shaped vertical inserting grooves used for inserting and clamping the edges of the circuit board are formed in the side wall of the supporting shaft rod. The circuit board drying device is reasonable in structural arrangement, the circuit board is clamped into the strip-shaped vertical inserting grooves, different positions of the circuit board are blown away through the air outlet holes, the drying efficiency can be improved, the supporting shaft rod is lifted through the lifting air cylinder in the using process, the circuit board can be taken conveniently, the using convenience and stability can be improved, and the applicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board, concretely relates to a circuit board drying structure. BACKGROUND

[0002] Circuit board needs to be dried when processing, and the prior art circuit board drying is mostly through the flow of hot air to dry the moisture on the circuit board, which can meet the use demand in general situation, but the drying efficiency is low, and the circuit board is mostly laid flat due to the incapability of positioning, which affects the flow of hot air and reduces the drying effect, and the applicability is limited. SUMMARY

[0003] The utility model discloses a kind of circuit board drying structures with reasonable structure and facilitate to improve drying efficiency.

[0004] The technical scheme for achieving the utility model is a kind of circuit board drying structure, including base, the cylinder shell of bottom end closure being fixed on the base, the base is fixed with air blower, the inner wall and bottom wall top surface of the cylinder shell are evenly provided with air outlet, the bottom wall bottom surface of the cylinder shell is fixed with the air inlet channel being communicated with air outlet;

[0005] The air blower is communicated with the air inlet channel by air duct, and the air duct is fixed with electric heating module;

[0006] The base is fixed with lifting cylinder, the cylinder shell is provided with the support shaft rod being connected with the lifting cylinder, the side wall of the support shaft rod is provided with a plurality of strip vertical insertion slots for inserting card circuit board edge.

[0007] Further preferably, the bottom surface of the support shaft rod is fixed with a limit disc, and the diameter of the limit disc is 2-3 times the diameter of the support shaft rod.

[0008] The bottom end of the strip vertical insertion slot extends to the top surface of the limit disc.

[0009] Further preferably, the inner wall of the strip vertical insertion slot is fixed with a pressing spring piece.

[0010] The edge of the circuit board is inserted into the strip vertical insertion slot and positioned by the pressing spring piece.

[0011] Further preferably, the bottom wall of the cylinder shell is fixed with a temperature sensor, and the base is fixed with a temperature indicator connected with the temperature sensor.

[0012] Further preferably, the inner diameter of the cylinder shell is greater than the total width of two circuit boards.

[0013] Further preferably, a power cord and a control switch are arranged on the base.

[0014] Further preferably, the electric heating module is an electric heating net or an electric heating block.

[0015] The utility model has positive effect: the utility model discloses the structure is reasonable, it is provided with lifting air cylinder cooperation support axle pole, and support axle pole is provided with strip vertical slot, and cooperation air blower and electric heating module, when using, the circuit board is inserted into strip vertical slot, and is blown to the circuit board different position through air outlet, is favorable to the efficiency of drying that promotes, when using, through lifting air cylinder makes support axle pole to go up and down, and the convenient operation of taking of circuit board is favorable to the use convenience and stability that promoted, and the suitability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further detailed, wherein:

[0017] Fig. 1 It is the structural schematic diagram of the utility model;

[0018] Fig. 2 It is the overhead structure schematic diagram of support axle pole in the utility model;

[0019] Fig. 3 It is the specific structure schematic diagram of cylindrical shell in the utility model.

[0020] Sign significance: base 1, cylindrical shell 2, air blower 3, air outlet 4, air inlet channel 5, air duct 6, electric heating module 7, lifting air cylinder 8, support axle pole 9, strip vertical slot 10, pressure spring 11, limit disc 12, temperature sensor 13, temperature indicating meter 14, power cord 15, control switch 16, circuit board 17. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0022] EMBODIMENT

[0023] See Figs. 1 to 3As shown, a circuit board drying structure, including a base 1, a cylindrical shell 2 fixed on the base and closed at the bottom, a blower 3 fixed on the base, a plurality of air outlet holes 4 evenly arranged on the inner wall and the top surface of the bottom wall of the cylindrical shell, and an air inlet channel 5 fixed on the bottom surface of the bottom wall of the cylindrical shell and connected with the air outlet holes. In this embodiment, the inner diameter of the cylindrical shell is greater than the total width of two circuit boards.

[0024] In actual application, the blower is connected with the air inlet channel through a wind guide pipe 6, and an electric heating module 7 is fixed in the wind guide pipe. The electric heating module is an electric heating net or an electric heating block. The electric heating module blows heat into the cylindrical shell through the wind guide pipe, and blows heat to the circuit board 17 through the bottom and the side wall, thereby improving the drying effect of the circuit board.

[0025] In this embodiment, a lifting cylinder 8 is fixed on the base, a support shaft 9 connected with the lifting cylinder is arranged in the cylindrical shell, and a plurality of strip-shaped vertical insertion grooves 10 for inserting the edges of the circuit board are arranged on the side wall of the support shaft. The lifting cylinder is mainly used for lifting the support shaft and extending out of the top of the cylindrical shell, so as to facilitate the positioning effectiveness and stability of the circuit board. The width of the strip-shaped vertical insertion groove is matched with the thickness of the circuit board, and a pressing spring 11 is fixed on the inner wall of the strip-shaped vertical insertion groove in order to prevent the circuit board from loosening or falling off. The edge of the circuit board is inserted into the strip-shaped vertical insertion groove and is positioned by the pressing spring. The pressing spring is a stainless steel structure with a thickness of 0.1-0.2mm, which is mainly used for positioning the circuit board by the pressing spring, thereby ensuring the stability and reliability of the circuit board.

[0026] In this embodiment, a limiting disc 12 is fixed on the bottom surface of the support shaft, and the diameter of the limiting disc is 2-3 times of the diameter of the support shaft. The bottom end of the strip-shaped vertical insertion groove extends to the top surface of the limiting disc. The limiting disc can support and limit the bottom edge of the circuit board, thereby improving the stability of use.

[0027] Moreover, in this embodiment, a temperature sensor 13 is fixed on the bottom wall of the cylindrical shell, and a temperature indicator 14 connected with the temperature sensor is fixed on the base. The temperature sensor can display the corresponding temperature in real time, thereby avoiding damage to the circuit board caused by excessive temperature and improving the applicability.

[0028] In this embodiment, a power cord 15 and a control switch 16 are arranged on the base. The switch control can be quickly realized.

[0029] The utility model discloses have positive effect: the utility model discloses the structure setting is reasonable, it is provided with lifting cylinder cooperation support axle pole, and is provided with strip vertical slot on support axle pole, and cooperation air blower and electric heating module, when using, the circuit board is inserted into strip vertical slot, and is blown to the circuit board different position through air outlet, is favorable to promote the efficiency of drying, and the support axle pole is lifted through lifting cylinder when using, and the taking operation of circuit board is convenient, and it is favorable to promote the use convenience and stability, and the applicability is strong.

[0030] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description can also be directly processed according to the existing technical knowledge without doubt, meanwhile, the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment all adopt the conventional model in the existing technology, so the specific description is not made here.

[0031] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the implementation mode of the utility model. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The changes or variations extended from the essential spirit of the utility model are still within the protection scope of the utility model.

Claims

1. A circuit board drying structure comprising a base, a cylindrical housing fixed to the base and closed at the bottom end, characterized in that: The base is fixed with a blower, the inner wall and the top surface of the bottom wall of the cylindrical shell are uniformly provided with air outlet holes, and the bottom surface of the bottom wall of the cylindrical shell is fixed with an air inlet channel communicated with the air outlet holes; The blower is communicated with the air inlet channel through an air duct, and an electric heating module is fixed in the air duct; The base is fixed with a lifting cylinder, the cylindrical shell is provided with a support shaft connected with the lifting cylinder, and a plurality of strip vertical insertion grooves for inserting the edges of the line boards are arranged on the side wall of the support shaft.

2. The structure according to claim 1, wherein: The bottom surface of the support shaft is fixed with a limiting disc, and the diameter of the limiting disc is 2-3 times of the diameter of the support shaft; The bottom end of the strip vertical insertion groove extends to the top surface of the limiting disc.

3. The structure according to claim 1, wherein: The inner wall of the strip vertical insertion groove is fixed with a pressing spring; The edge of the line board is inserted into the strip vertical insertion groove and is positioned by the pressing spring.

4. The structure according to claim 1, wherein: A temperature sensor is fixed on the bottom wall of the cylindrical shell, and a temperature indicator connected with the temperature sensor is fixed on the base.

5. The structure according to claim 1, wherein: The inner diameter of the cylindrical shell is greater than the total width of the two line boards.

6. The structure according to claim 1, wherein: The base is provided with a power cord and a control switch.

7. The structure according to claim 1, wherein: The electric heating module is an electric heating net or an electric heating block.

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