Drying machine for circuit board processing

Abstract

The utility model belongs to the technical field of circuit board processing, particularly relates to a drying machine for circuit board processing, and aims to solve the problems that an existing circuit board is flatly laid on the top of a conveying belt assembly, the drying effect on a circuit board on the back face is poor, and the conveying requirement cannot be met. Supporting plates are transversely and fixedly installed on the two sides of the rectangular cylinder, conveying rollers are rotationally installed on the supporting plates, the outer sides of the two conveying rollers are in conveying connection with the same conveying belt, a motor is arranged on the supporting plate on the right side, the motor is fixedly connected with the first conveying roller, and a plurality of circuit board containing mechanisms are arranged on the surface of the conveying belt. And two heat supply mechanisms are arranged at the top of the rectangular cylinder. The circuit board drying device is simple in structure and convenient to operate, a circuit board can be rapidly fixed, hot air enters the two flow guide boxes, the two sides of the circuit board are dried through the multiple air blowing openings, and the drying effect can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a drying machine for circuit board processing. Background Art

[0002] Circuit boards generally refer to circuit boards. Circuit boards can miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. In the process of processing circuit boards, in order not to affect the stability of the circuit boards during use, they usually need to be cleaned, so the cleaned circuit boards need to be dried. Traditional circuit board drying devices can only dry one side of the circuit board, resulting in uneven drying, long drying time, and reduced drying efficiency and quality. After searching, the patent document with the publication (announcement) number: CN215063523U provides a drying device for circuit board processing. A drying device for processing circuit boards includes: a bottom box; a conveyor belt assembly, which is arranged on the bottom box; a cover body, which is fixedly mounted on the top of the bottom box; a main pipe, which is fixedly mounted on the inner walls on both sides of the cover body; a plurality of branch pipes, which are all fixedly mounted on the inner walls on both sides of the cover body, and the tops of the plurality of branch pipes are all fixedly connected to the bottom of the main pipe; a dryer, which is fixedly mounted on the top of the cover body; an exhaust pipe, which is fixedly mounted on the exhaust port of the dryer, and a filter box is fixedly mounted on one end of the exhaust pipe away from the dryer. The provided drying device for processing circuit boards has the advantages of being easy to use, simple to operate, capable of double-sided drying, and improving drying efficiency and quality.

[0003] The existing circuit board drying is placed flat on the top of the conveyor belt assembly, which has a poor drying effect on the circuit board on the back and cannot meet the transportation requirements. Summary of the invention

[0004] The utility model aims to solve the shortcomings that the existing circuit board drying is to lay it flat on the top of the conveyor belt assembly, the drying effect on the circuit board at the back is poor, and the feeding demand cannot be met, and a circuit board processing drying machine is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A drying machine for processing circuit boards comprises a rectangular cylinder, support plates are fixedly installed transversely on both sides of the rectangular cylinder, conveying rollers are rotatably installed on the support plates, the outer sides of the two conveying rollers are connected to the same conveyor belt, a motor is arranged on the right support plate, the motor is fixedly connected to the first conveying roller, a plurality of circuit board placement mechanisms are arranged on the surface of the conveyor belt, two heating mechanisms are arranged on the top of the rectangular cylinder, guide mechanisms are arranged on the inner walls on both sides of the rectangular cylinder, the two heating mechanisms are connected to the two guide mechanisms, and the conveyor belt is located between the two guide mechanisms.

[0007] Preferably, the circuit board placement mechanism includes a support rod, which is fixedly mounted on the surface of the conveyor belt, a placement seat is fixedly mounted on the top of the support rod, a placement notch is opened on the top of the placement seat, an elastic groove is opened on the inner wall of the placement notch, elastic rods are slidably mounted in two elastic grooves, extrusion plates are fixedly mounted on the inner sides of the two elastic rods, anti-slip pads are arranged on the inner sides of the two extrusion plates, the tops of the anti-slip pads are inclined, a spring is fixedly mounted on the elastic rod, and the spring is slidably connected to the inner wall of the elastic groove; the spring provides elastic force for the elastic rod, the elastic rod pushes the extrusion plate to move, the extrusion plate drives the anti-slip pad to approach the circuit board, and the circuit board can be pressed and fixed by the two anti-slip pads.

[0008] Preferably, the two heating mechanisms include two air ducts, both of which are embedded in the top of the rectangular tube, both of which are provided with fans, and both of which are provided with resistance heating wires; the two resistance heating wires convert electrical energy into thermal energy.

[0009] Preferably, the two guide mechanisms include two guide boxes, which are respectively installed on the inner walls on both sides of the rectangular tube, the tops of the two guide boxes are connected to two guide tubes, the four guide tubes are connected to the bottoms of the two wind tubes, and the inner sides of the two guide boxes are provided with multiple air outlets. The two fans send hot air into the four guide tubes, and then the hot air enters the two guide boxes, and the two sides of the circuit board are dried through the multiple air outlets.

[0010] Preferably, dustproof nets are provided on the tops of the two air ducts; the dustproof nets can prevent dust from entering the air ducts.

[0011] Compared with the prior art, the advantages of the utility model are:

[0012] In this solution, the circuit board is inserted into the placement notch, and the spring provides elastic force to the elastic rod. The elastic rod pushes the extrusion plate to move, and the extrusion plate drives the anti-skid pad to approach the circuit board. The circuit board can be pressed and fixed by the two anti-skid pads.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] In this solution, the circuit board is moved into the rectangular tube, two fans and two resistance heating wires are started, the two resistance heating wires convert electrical energy into thermal energy, the two fans send hot air into four guide tubes, and then the hot air enters two guide boxes, and the two sides of the circuit board are dried through multiple air blowing ports to improve the drying effect;

[0015] The utility model has a simple structure and is easy to operate, and the circuit board can be quickly fixed. Hot air enters the two guide boxes, and both sides of the circuit board are dried through multiple air blowing ports, which can improve the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a drying machine for circuit board processing proposed by the utility model;

[0017] Figure 2 The utility model proposed Figure 1 A side view structural schematic diagram of;

[0018] Figure 3 This is a schematic structural diagram of part A of a drying machine for circuit board processing proposed by the utility model;

[0019] Figure 4 This is a schematic structural diagram of part B of a drying machine for circuit board processing proposed by the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the placement seat, two extrusion plates and two anti-slip pads proposed by the utility model.

[0021] In the figure: 1. rectangular cylinder; 2. support plate; 3. conveyor roller; 4. motor; 5. conveyor belt; 6. support rod; 7. placement seat; 8. placement notch; 9. extrusion plate; 10. anti-slip pad; 11. elastic groove; 12. elastic rod; 13. spring; 14. air cylinder; 15. dustproof net; 16. guide tube; 17. guide box; 18. air outlet; 19. resistance heating wire; 20. fan; 21. connecting rod; 22. magnetic rod; 23. connecting cylinder; 24. magnet block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Embodiment 1

[0024] Reference Figure 1-Figure 5A drying machine for circuit board processing comprises a rectangular cylinder 1, support plates 2 are fixedly installed horizontally on both sides of the rectangular cylinder 1, conveying rollers 3 are rotatably installed on the support plates 2, the outer sides of the two conveying rollers 3 are connected with the same conveyor belt 5, a motor 4 is arranged on the right support plate 2, the motor 4 is fixedly connected to the first conveying roller 3, a plurality of circuit board placing mechanisms are arranged on the surface of the conveyor belt 5, two heating mechanisms are arranged on the top of the rectangular cylinder 1, and guide mechanisms are arranged on the inner walls on both sides of the rectangular cylinder 1, the two heating mechanisms are connected with the two guide mechanisms, and the conveyor belt 5 is located between the two guide mechanisms.

[0025] In this embodiment, the circuit board placement mechanism includes a support rod 6, which is fixedly mounted on the surface of the conveyor belt 5. A placement seat 7 is fixedly mounted on the top of the support rod 6. A placement notch 8 is opened on the top of the placement seat 7. An elastic groove 11 is opened on the inner wall of the placement notch 8. Elastic rods 12 are slidably mounted in the two elastic grooves 11. Extrusion plates 9 are fixedly mounted on the inner sides of the two elastic rods 12. Anti-skid pads 10 are arranged on the inner sides of the two extrusion plates 9. The tops of the anti-skid pads 10 are inclined. A spring 13 is fixedly mounted on the elastic rod 12. The spring 13 is slidably connected to the inner wall of the elastic groove 11. The spring 13 provides elastic force for the elastic rod 12. The elastic rod 12 pushes the extrusion plate 9 to move. The extrusion plate 9 drives the anti-skid pad 10 to approach the circuit board. The circuit board can be pressed and fixed by the two anti-skid pads 10.

[0026] In this embodiment, the two heating mechanisms include two air ducts 14, both of which are embedded in the top of the rectangular tube 1, both of which are equipped with fans 20, and both of which are equipped with resistance heating wires 19; the two resistance heating wires 19 convert electrical energy into thermal energy.

[0027] In this embodiment, the two flow guide mechanisms include two flow guide boxes 17, and the two flow guide boxes 17 are respectively installed on the inner walls on both sides of the rectangular tube 1. The tops of the two flow guide boxes 17 are connected to two flow guide tubes 16, and the four flow guide tubes 16 are connected to the bottoms of the two wind tubes 14. The inner sides of the two flow guide boxes 17 are provided with multiple air outlets 18. Two fans 20 send hot air into the four flow guide tubes 16, and then the hot air enters the two flow guide boxes 17, and the two sides of the circuit board are dried through the multiple air outlets 18.

[0028] In this embodiment, a dustproof net 15 is disposed on the top of each of the two air ducts 14 ; the dustproof net 15 can prevent dust from entering the air duct 14 .

[0029] Working principle: when in use, turn on the power supply and controller, insert the circuit board into the placement notch 8, use the spring 13 to provide elastic force for the elastic rod 12, the elastic rod 12 pushes the extrusion plate 9 to move, and the extrusion plate 9 drives the anti-skid pad 10 to approach the circuit board. The circuit board can be pressed and fixed by the two anti-skid pads 10, and the circuit board is moved into the rectangular tube 1. Two fans 20 and two resistance heating wires 19 are started, and the two resistance heating wires 19 convert electrical energy into thermal energy. The two fans 20 send hot air into four guide tubes 16, and then the hot air enters the two guide boxes 17, and the two sides of the circuit board are dried through multiple blowing ports 18 to improve the drying effect.

[0030] Embodiment 2

[0031] The difference between Example 2 and Example 1 is that: a common connecting rod 21 is fixedly installed between the two dustproof nets 15, a magnetic rod 22 is fixedly installed at the bottom of the connecting rod 21, a connecting tube 23 is fixedly installed on the top of the rectangular tube 1, a magnet block 24 is fixedly installed in the connecting tube 23, the magnetic rod 22 is movably connected to the connecting tube 23, the magnet block 24 is attracted to the magnetic rod 22, and the two dustproof nets 15 can be fixed, and the connecting rod 21 is pulled upward to drive the two dustproof nets 15 to move upward, and the magnet block 24 is separated from the magnetic rod 22, so that the dustproof nets 15 can be easily disassembled and cleaned. All structures in this application can be selected according to the material and length according to the actual usage. The accompanying drawings are all schematic structural diagrams, and the specific actual dimensions can be appropriately adjusted.

[0032] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drying machine for processing circuit boards, comprising a rectangular cylinder (1), with support plates (2) fixedly mounted laterally on both sides of the rectangular cylinder (1), characterized in that: A conveying roller (3) is rotatably mounted on the support plate (2); the outer sides of the two conveying rollers (3) are connected to a common conveying belt (5); a motor (4) is arranged on the right support plate (2); the motor (4) is fixedly connected to the first conveying roller (3); a plurality of circuit board placement mechanisms are arranged on the surface of the conveying belt (5); two heating mechanisms are arranged on the top of the rectangular cylinder (1); flow guiding mechanisms are arranged on the inner walls of both sides of the rectangular cylinder (1); the two heating mechanisms are connected to the two flow guiding mechanisms; and the conveying belt (5) is located between the two flow guiding mechanisms.

2. A drying machine for circuit board processing according to claim 1, characterized in that: The circuit board placement mechanism comprises a support rod (6), the support rod (6) being fixedly mounted on the surface of the conveyor belt (5), a placement seat (7) being fixedly mounted on the top of the support rod (6), a placement notch (8) being provided on the top of the placement seat (7), an elastic groove (11) being provided on the inner wall of the placement notch (8), elastic rods (12) being slidably mounted in two elastic grooves (11), extrusion plates (9) being fixedly mounted on the inner sides of the two elastic rods (12), anti-skid pads (10) being provided on the inner sides of the two extrusion plates (9), and the tops of the anti-skid pads (10) being inclined.

3. A drying machine for circuit board processing according to claim 2, characterized in that: A spring (13) is fixedly mounted on the elastic rod (12), and the spring (13) is slidably connected to the inner wall of the elastic groove (11).

4. A drying machine for circuit board processing according to claim 1, characterized in that: The two heating mechanisms comprise two wind tubes (14), the two wind tubes (14) are both embedded in the top of the rectangular tube (1), the two wind tubes (14) are both provided with a fan (20), and the two wind tubes (14) are both provided with a resistance heating wire (19).

5. A drying machine for circuit board processing according to claim 4, characterized in that: The two flow guide mechanisms comprise two flow guide boxes (17), the two flow guide boxes (17) being respectively mounted on the inner walls of both sides of the rectangular tube (1), the tops of the two flow guide boxes (17) being connected to two flow guide pipes (16), the four flow guide pipes (16) being connected to the bottoms of the two air cylinders (14), and a plurality of air blowing ports (18) being arranged on the inner sides of the two flow guide boxes (17).

6. A drying machine for circuit board processing according to claim 4, characterized in that: A dustproof net (15) is provided on the top of each of the two air cylinders (14).

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