Circuit board drying device

Abstract

The utility model relates to a circuit board drying device which comprises a box body, a shell is arranged on the outer side of the box body, a heat preservation cavity is formed between the shell and the side wall of the box body, an air inlet pipe communicated with the heat preservation cavity is arranged on the shell, the heat preservation cavity is connected with the interior of the box body through a communicating pipe, and multiple sets of circular hole plates are arranged in the box body side by side up and down. A circle of surrounding edge is arranged on the edge of the top of each pore plate, the bottommost pore plate is driven by a motor, supporting mechanisms used for fixing the edges of the pore plates are arranged on the two sides in the box body, screw pipes I are further arranged on the tops of the pore plates, and the cross section of an inner opening of each screw pipe I is polygonal. Wherein the bottom of the upper hole plate is provided with a vertical rod inserted into a screw tube I at the top of the lower hole plate, the screw tube I is further sleeved with a screw tube II in threaded connection with the screw tube I, and the outer side wall of the screw tube II is provided with a plurality of sets of pressing rods located over the interior of the opening of the surrounding edge in the radial direction. The device is simple in structure and convenient to use.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of circuit board processing, in particular to a circuit board drying device. BACKGROUND

[0002] In the production process of circuit boards, many wet production processes are involved, such as circuit etching treatment and surface roughening treatment, etc. After these treatments, the circuit boards need to be dried in time. At present, the circuit boards are directly dried by heating, and the drying efficiency is low.

[0003] Therefore, in view of the above status, it is urgent to develop a drying box for circuit boards which can spin off the moisture on the circuit boards and then use hot air to remove the moisture on the circuit boards to improve the drying efficiency, so as to overcome the shortcomings in the current actual application and meet the current needs. SUMMARY

[0004] The purpose of the present application is to provide a circuit board drying device.

[0005] The technical problem of the present application is mainly solved by the following technical scheme:

[0006] A circuit board drying device, comprising a box body, an outer shell is arranged outside the box body, a heat preservation cavity is formed between the outer shell and the side wall of the box body, an air inlet pipe is arranged on the outer shell and communicates with the heat preservation cavity, the heat preservation cavity is connected with the box body through a communication pipe, a plurality of groups of circular hole plates are arranged side by side in the box body, a surrounding edge is arranged on the top edge of the hole plate, the lowermost hole plate is driven by a motor, supporting mechanisms for fixing the edge of the hole plate are arranged on both sides of the box body, a screw pipe I is arranged on the top of the hole plate, the inner opening cross section of the screw pipe I is a polygon, a vertical rod is arranged on the bottom of the upper hole plate and inserted into the screw pipe I on the top of the lower hole plate, a screw pipe II is further sleeved on the screw pipe I and screwed with the screw pipe I, a plurality of groups of pressing rods are radially arranged on the outer side wall of the screw pipe II and located directly above the opening of the surrounding edge.

[0007] Preferably, the air inlet pipe is arranged above the heat preservation cavity, the air inlet pipe is connected with a hot air machine through a pipeline, the communication pipe is arranged below the heat preservation cavity, and a heating pipe is arranged in the heat preservation cavity.

[0008] Preferably, an air outlet pipe is arranged on the top of the box body, an entrance and exit are arranged on the front side of the box body, and a switch door is arranged in the entrance and exit.

[0009] Preferably, the supporting mechanism comprises a square rod fixed at the top and bottom walls of the box through bearings, a fixing seat corresponding to the hole plate is arranged on the square rod, a sliding notch buckled on the edge of the hole plate is arranged at one end of the fixing seat, the side wall of the hole plate in the sliding notch is in solid structure, an accommodation groove in the shape of a superior arc is arranged on the upper and lower end faces in the sliding notch, a ball extending to the outside of the accommodation groove and abutting against the corresponding end face of the hole plate is arranged in the accommodation groove, a U-shaped rod is further buckled on the square rod above the fixing seat, a mounting seat corresponding to the U-shaped rod is arranged on the inner side wall of the box, a clamping groove accommodating the corresponding end of the U-shaped rod is arranged on the mounting seat, and a magnetic block magnetically connected with the mounting seat is arranged on the U-shaped rod.

[0010] Preferably, the vertical rod is longer than the spiral pipe I, the size of the vertical rod is matched with the size of the opening in the spiral pipe I, and a ring located above the corresponding spiral pipe II is further arranged around the top of the spiral pipe I.

[0011] Preferably, a handle is arranged at the top end of the pressing rod, and a rubber sleeve is sleeved on the pressing rod.

[0012] The application has the advantages that when the application is used, the circuit board is laid flat above the hole plate, the spiral pipe II is rotated downward to drive the pressing rod to move downward, so that the pressing rod abuts against the top end face of the circuit board to lock and fix the circuit board, the motor drives the lower hole plate to rotate, and at the same time, the spiral pipe I and the vertical rod drive the upper and lower groups of hole plates to rotate together to swing the circuit board above the hole plate, so that the liquid adhered to the surface of the circuit board is separated, and in the above process, hot air is introduced into the heat preservation cavity through the air inlet pipe to heat, and then the hot air enters the box through the communication pipe to contact the circuit board above the hole plate to dry the circuit board preliminarily, thereby improving the drying efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the application;

[0014] Figure 2 is Figure 1 is an enlarged view of A in figure

[0015] Figure 3 is Figure 2 is a sectional view of the supporting mechanism in the top direction;

[0016] Figure 4 is Figure 3 is a structural schematic view in another state.

[0017] In the diagram: 1. Box body, 2. Outer shell, 3. Insulation cavity, 4. Air inlet pipe, 5. Connecting pipe, 6. Perforated plate, 7. Surrounding edge, 8. Motor, 9. Support mechanism, 91. Square rod, 92. Fixed seat, 93. Sliding notch, 94. Ball bearing, 95. U-shaped rod, 96. Mounting seat, 97. Slot, 98. Magnetic block, 10. Screw tube I, 11. Vertical rod, 12. Screw tube II, 13. Pressure rod, 14. Air outlet pipe, 15. Ring. Detailed Implementation

[0018] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0019] A circuit board drying device includes a housing 1, an outer shell 2 on the outside of the housing 1, a heat preservation cavity 3 between the outer shell 2 and the side wall of the housing 1, an air inlet pipe 4 communicating with the heat preservation cavity 3 on the outer shell 2, the heat preservation cavity 3 being connected to the inside of the housing 1 via a connecting pipe 5, a plurality of circular perforated plates 6 arranged vertically inside the housing 1, a rim 7 being provided around the top edge of the perforated plates 6, wherein the lowermost perforated plate 6 is driven by a motor 8, and support mechanisms 9 for fixing the edges of the perforated plates 6 are provided on both sides inside the housing 1;

[0020] Each of the perforated plates 6 is also provided with a spiral tube I10 at the top. The internal opening of the spiral tube I10 has a polygonal cross-section. The bottom of the upper perforated plate 6 is provided with a vertical rod 11 that is inserted into the spiral tube I10 at the top of the lower perforated plate 6. The spiral tube I10 is also sleeved with a spiral tube II12 that is screwed to it. Multiple sets of pressure rods 13 are radially arranged on the outer wall of the spiral tube II12, located directly above the opening of the perimeter 7.

[0021] like Figure 1 As shown, the air inlet pipe 4 is located above the insulation cavity 3. The air inlet pipe 4 is connected to the hot air blower through a pipe. The connecting pipe 5 is located below the insulation cavity 3. A heating pipe is installed inside the insulation cavity 3.

[0022] The top of the housing 1 is provided with an air outlet 14, and the front side of the housing 1 is provided with an inlet and outlet, and the inlet and outlet are provided with a door.

[0023] The support mechanism 9 comprises a square rod 91 fixed at the top wall and the bottom wall in the box 1 through bearings at both ends, a fixing seat 92 corresponding to the hole plate 6 is arranged on the square rod 91, a sliding gap 93 is arranged at one end of the fixing seat 92 and buckled on the side wall of the edge of the hole plate 6, the side wall of the hole plate in the sliding gap 93 is in solid structure, an accommodation groove with a cross-section of an arcuate bow is arranged on the upper and lower end faces in the sliding gap 93, a ball 94 extending to the outside and abutting against the corresponding end face of the hole plate 6 is arranged in the accommodation groove, a U-shaped rod 95 is further buckled on the square rod 91 above the fixing seat 92, a mounting seat 96 corresponding to the U-shaped rod 95 is arranged on the inner side wall of the box 1, a clamping groove 97 accommodating the corresponding end of the U-shaped rod 95 is arranged on the mounting seat 96, and a magnetic block 98 magnetically connected with the mounting seat 96 is arranged on the U-shaped rod 95.

[0024] In the embodiment, the vertical rod 11 is longer than the length of the screw pipe I 10, the size of the vertical rod 11 is matched with the size of the opening in the screw pipe I 10, and a ring 15 is further arranged around the top of the screw pipe I 10 and located above the screw pipe II 12. The ring 15 limits the upward movement of the screw pipe II 12 and prevents the screw pipe II 12 from sliding off the screw pipe I 10.

[0025] In the embodiment, a handle is arranged at the top end of the pressing rod 13, and a rubber sleeve is sleeved on the pressing rod 13.

[0026] The working principle of the application is as follows: according to requirements, a corresponding number of hole plates 6 are installed in the box 1 for placing circuit boards, and the specific steps are as follows: Figure 4 As shown in the figure, the square rod 91 is rotated to drive the corresponding fixing seat 92 to rotate, so that the inner diameter of the circular opening formed between the plurality of fixing seats 92 is greater than the diameter of the hole plate 6, so as to facilitate people to put the hole plate 6 into the box 1 through the inlet and outlet and stack it above the lower hole plate 6, at this time, the vertical rod 11 at the bottom of the upper hole plate 6 is inserted into the top opening of the lower screw pipe I 10, then a corresponding number of hole plates 6 can be installed in the box 1 according to requirements for production and use, and then the square rod 91 is rotated to drive the fixing seat 92 to rotate to the reset position, so that the sliding gap 93 on the fixing seat 92 is buckled on the side wall of the edge of the hole plate 6, and the ball 94 is tightly abutted on the corresponding end face of the hole plate 6, at this time, the U-shaped rod 95 is slid to align the end with the clamping groove 97 and then inserted into the clamping groove 97, and the magnetic block 98 is also magnetically connected with the mounting seat 96, the mounting seat 96 clamps the U-shaped rod 95 through the clamping groove 97, and the U-shaped rod 95 clamps the square rod 91 to prevent the square rod 91 from driving the fixing seat 92 to continue to rotate, at this time, the square rod 91 can support and fix the hole plate 6 through the ball 94 in the sliding gap 93, and can prevent the hole plate 6 from driving the vertical rod 11 to slide out of the screw pipe I 10 while limiting the upward movement of the hole plate 6;

[0027] When in use, the circuit board is laid on the hole plate 6, the screw pipe II 12 is turned down to drive the pressing rod 13 to move down, so that the pressing rod 13 abuts against the top surface of the circuit board to lock and fix it, wherein the motor 8 drives the hole plate 6 below to rotate, and at the same time drives the upper and lower groups of hole plates 6 to rotate through the screw pipe I 10 and the vertical rod 11, so as to shake the circuit board above the hole plate 6, so that the liquid adhered to the surface of the circuit board is separated, when the hole plate 6 rotates, the edge thereof rotates on the ball 94 in the sliding gap 93, at this time, the fixed seat 92 can support and fix the hole plate 6 in the rotating process through the ball 94, so as to prevent the edge from being suspended in a large area and causing insufficient stability, meanwhile, it does not affect the rotation of the hole plate 6, in the above process, the hot air is introduced into the heat preservation cavity 3 through the air inlet pipe 4 to heat, then enters the box 1 through the communication pipe 5 to contact the circuit board above the hole plate 6, so as to dry the circuit board which is preliminarily shaken dry, then is discharged through the air outlet pipe 14, in the above process, the heat preservation cavity 3 can effectively prevent the heat in the box 1 from being dissipated.

[0028] The above has carried on the detailed explanation to the application, but the content described is only the preferred embodiment of the application, and cannot be considered to limit the implementation range of the application. Any equivalent change and improvement made according to the application scope should still belong to the patent coverage range of the application.

Claims

1. A circuit board drying device, comprising a box, characterized in that: an outer shell is arranged outside the box, a heat preservation cavity is formed between the outer shell and the side wall of the box, an air inlet pipe is arranged on the outer shell and communicates with the heat preservation cavity, the heat preservation cavity is connected with the inside of the box through a communication pipe, a plurality of groups of circular hole plates are arranged side by side in the box, the top edge of the hole plate is provided with a surrounding edge, the lowermost hole plate is driven by a motor, support mechanisms for fixing the edge of the hole plate are arranged on both sides of the box, a screw pipe I is arranged on the top of the hole plate, the inside opening cross section of the screw pipe I is polygonal, a vertical rod is arranged on the bottom of the upper hole plate and inserted into the screw pipe I on the top of the lower hole plate, a screw pipe II is further sleeved on the screw pipe I and screwed with the screw pipe I, a plurality of groups of pressing rods are radially arranged on the outer side wall of the screw pipe II and located directly above the opening of the surrounding edge.

2. The circuit board drying apparatus according to claim 1, wherein: The air inlet pipe is arranged above the heat preservation cavity, the air inlet pipe is connected with a hot air blower through a pipeline, the communication pipe is arranged below the heat preservation cavity, and a heating pipe is arranged in the heat preservation cavity.

3. The circuit board drying apparatus of claim 1, wherein: An air outlet pipe is arranged on the top of the box, an entrance and exit are arranged on the front side of the box, and a switch door is arranged in the entrance and exit.

4. The circuit board drying apparatus of claim 1, wherein: The support mechanism comprises square rods fixed on the top wall and the bottom wall in the box through bearings at both ends, fixing seats corresponding to the hole plates are arranged on the square rods, sliding notches are arranged on one end of the fixing seat and buckled on the edge of the hole plate, the side wall of the hole plate in the sliding notch is solid, receiving grooves with an arcuate cross section are arranged on the upper and lower end faces in the sliding notch, a plurality of balls are arranged in the receiving groove and extend to the outside of the receiving groove and abut against the corresponding end face of the hole plate, a U-shaped rod is further buckled on the square rod above the fixing seat, a mounting seat corresponding to the U-shaped rod is arranged on the inner side wall of the box, a clamping groove accommodating the corresponding end of the U-shaped rod is arranged on the mounting seat, and a magnetic block magnetically connected with the mounting seat is arranged on the U-shaped rod.

5. The circuit board drying apparatus of claim 1, wherein: The length of the vertical rod is greater than the length of the screw pipe I, the size of the vertical rod is matched with the size of the inside opening of the screw pipe I, and a ring is further arranged around the top of the screw pipe I and located above the corresponding screw pipe II.

6. The circuit board drying apparatus of claim 1, wherein: A handle is arranged on the top end of the pressing rod, and a rubber sleeve is sleeved on the pressing rod.

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