Composite drying equipment for production board

Abstract

The utility model discloses composite drying equipment for a production board, which comprises a machine body, a plurality of conveying roll shafts are arranged in the machine body and are parallel to one another, a variable-frequency high-speed high-pressure fan, a strong wind heating cabin and an air heater are horizontally and transversely arranged in the machine body in sequence, one end of the machine body is provided with a feed port, and the other end of the machine body is provided with a discharge port. The variable-frequency high-speed high-pressure fan is close to one end of the machine body, the hot-air fan is close to the other end of the machine body, and a strong air outlet, a hot strong air outlet and a hot air outlet are horizontally and transversely formed in the multiple conveying roller shafts in sequence and all point to the conveying roller shafts; the strong wind outlet is communicated with the variable-frequency high-speed high-pressure fan through a pipeline, the hot strong wind outlet is communicated with the strong wind heating cabin through a pipeline, and the hot wind outlet is communicated with the hot-air fan through a pipeline. The composite drying equipment for the production board is used for drying the PCB finished product production board, the drying efficiency is high, the energy consumption is low, and the occupied area of the equipment can be reduced.

Description

Technical Field

[0001] The utility model relates to a production board composite drying device, belonging to the technical field of PCB product and semiconductor product drying devices. Background Art

[0002] In the production process of PCB finished product production boards, there is water on the product surface and in the holes on the product board, which requires blowing and drying steps. The traditional blowing and drying process requires a lot of supporting equipment, the equipment is long, occupies a large area, and has high energy consumption. The blowing and drying speed is slow, and it is difficult to handle the moisture in small holes and blind holes. In addition, if the blind holes are not handled cleanly, the finished products will be oxidized and scrapped, affecting the rework or scrapping of adjacent finished products.

[0003] The patent with the authorization announcement number CN 209964394 U discloses a PCB drying device, including a box, a filter and a mounting groove, the upper end of the box is connected to the top plate through a rotating shaft, the filter is installed inside the lower surface of the placement frame, the mounting groove is reserved on both sides of the lower inner part of the box, and the mounting groove is connected to the dust collecting box through the mounting plate, a through groove is opened in the middle position of the upper surface of the top plate, the slide rail is symmetrically fixed on both sides of the outer side of the limit rod, the internal slider is symmetrically installed on both sides of the outer side of the fixed rod, the inside of the placement frame is reserved with a side slide groove, and the side slide groove is connected to the brush through the side slider, and the clamp is connected to the placement frame through a spring. The PCB drying device can fix the PCB board inside the placement frame for drying, avoid the accumulation of friction between the PCB boards and damage to the external connection lines, and the brush set up for sliding can clean the dust accumulated during the external processing of the PCB board, thereby increasing the use function of the device. However, the drying device is not suitable for drying PCB boards after etching and cleaning, and is not suitable for drying small holes and blind holes. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a production board composite drying equipment, which is used for blowing and drying PCB finished production boards, has high drying efficiency, low energy consumption, and can reduce the equipment footprint.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: to provide a composite drying equipment for production boards, including a fuselage, a plurality of conveying rollers are arranged in the fuselage, and the plurality of conveying rollers are parallel to each other, and a variable frequency high-speed high-pressure fan, a strong wind heating chamber and a hot air blower are arranged horizontally and laterally in sequence in the fuselage, a feed port is arranged at one end of the fuselage, and a discharge port is arranged at the other end of the fuselage, the variable frequency high-speed high-pressure fan is close to one end of the fuselage, and the hot air blower is close to the other end of the fuselage, and a strong wind outlet, a hot strong wind outlet and a hot air outlet are arranged horizontally and laterally at the plurality of conveying rollers, and the strong wind outlet, the hot strong wind outlet and the hot air outlet all point to the conveying rollers, the strong wind outlet is connected with the variable frequency high-speed high-pressure fan through a pipeline, the hot strong wind outlet is connected with the strong wind heating chamber through a pipeline, and the hot air outlet is connected with the hot air blower through a pipeline.

[0006] Preferably, the conveying rollers are arranged longitudinally.

[0007] Preferably, there are multiple gaps between the multiple conveying rollers, and the strong air outlet, hot strong air outlet and hot air outlet are respectively located in the gaps.

[0008] Preferably, there are two variable frequency high-speed and high-pressure fans.

[0009] Preferably, an exhaust port is provided on the top of the fuselage.

[0010] The beneficial effects of the utility model are as follows: the production board composite drying equipment of the utility model is used for blowing and drying PCB finished production boards, and can also dry small holes and blind holes, has high drying efficiency, low energy consumption, can shorten the equipment, and reduce the equipment footprint. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0012] Figure 1 It is a structural schematic diagram of the composite drying equipment for production boards of the utility model. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] See also Figure 1 The utility model embodiment includes: a production board composite drying equipment, which includes a fuselage 1, a plurality of conveying rollers 6 are arranged in the fuselage 1, and the plurality of conveying rollers 6 are parallel to each other. A variable frequency high-speed high-pressure fan 4, a strong wind heating chamber 5 and a hot air blower 11 are arranged in sequence in the horizontal and transverse direction in the fuselage 1, a feed port 9 is arranged at one end of the fuselage 1, and a discharge port 8 is arranged at the other end of the fuselage 1, the variable frequency high-speed high-pressure fan 4 is close to one end of the fuselage 1, and the hot air blower 11 is close to the At the other end of the fuselage 1, the multiple conveying rollers 6 are horizontally and laterally provided with strong wind outlets 2, hot strong wind outlets 3 and hot wind outlets 7 in sequence, and the strong wind outlets 2, hot strong wind outlets 3 and hot wind outlets 7 all point to the conveying rollers 6, that is, point to the PCB board 12 at the conveying rollers 6, the strong wind outlet 2 is connected with the variable frequency high-speed high-pressure fan 4 through a pipeline, the hot strong wind outlet 3 is connected with the strong wind heating cabin 5 through a pipeline, and the hot air outlet 7 is connected with the hot air fan 11 through a pipeline.

[0015] Preferably, the conveying rollers 6 are arranged longitudinally.

[0016] Preferably, there are multiple gaps between the multiple conveying rollers 6, and the strong air outlet 2, the hot strong air outlet 3 and the hot air outlet 7 are respectively located in the gaps.

[0017] Preferably, the variable frequency high-speed high-pressure fans 4 are provided in two locations, which can increase the strong wind output and improve the drying efficiency.

[0018] Preferably, an exhaust port 10 is provided on the top of the fuselage 1 for exhausting gas.

[0019] When the production board composite drying equipment of the utility model is used, the PCB board 12 to be blown and dried is placed on a plurality of conveying rollers 6 through the feed port 9, and the plurality of conveying rollers are driven to rotate by corresponding motor transmission mechanisms (not marked in the figure). The plurality of conveying rollers 6 rotate to convey the PCB board toward the discharge port 8, and the material is discharged at the discharge port 8. When the PCB board moves forward on multiple conveying rollers, the variable frequency high-speed high-pressure fan, the strong wind heating chamber and the hot air blower work. The variable frequency high-speed high-pressure fan delivers strong wind to the strong wind outlet, and the strong wind outlet blows strong wind to the PCB board to blow away the liquid on the PCB board, including water and other liquids in the small holes and blind holes. The strong wind heating chamber delivers hot strong wind to the hot strong wind outlet, and the hot strong wind outlet blows hot strong wind to the PCB board to dry the PCB board. The hot air blower delivers hot air to the hot air outlet, and the hot air outlet blows hot air to the PCB board to continue drying the PCB board. After these drying and drying processes, the PCB board is dried and dried, including the small holes and blind holes. By heating with strong wind, the evaporation rate of water on the PCB board is increased, and the drying efficiency is high. By increasing the strong hot air, the total length of the drying equipment can be reduced, the site occupancy can be reduced, and the site use space can be optimized. The variable frequency high-speed high-pressure energy-saving fan is used, the wind is built-in circulation is increased, and the heat generated by the friction of the variable frequency high-speed wind is used to reduce the power of the motor and heater, achieve energy saving effects, and reduce costs. The drying equipment is reduced from the original 5.2 meters in length to 3.1 meters, reducing the site use area by 5.25 square meters.

Claims

1. A composite drying device for producing boards, comprising a machine body, wherein a plurality of conveying rollers are arranged in the machine body, and the plurality of conveying rollers are parallel to each other, characterized in that: A variable frequency high-speed high-pressure fan, a strong wind heating chamber and a hot air blower are sequentially arranged horizontally in the fuselage, a feed port is arranged at one end of the fuselage, a feed port is arranged at the other end of the fuselage, the variable frequency high-speed high-pressure fan is close to one end of the fuselage, the hot air blower is close to the other end of the fuselage, strong wind outlets, hot strong wind outlets and hot air outlets are sequentially arranged horizontally at the multiple conveying rollers, the strong wind outlets, hot strong wind outlets and hot air outlets all point to the conveying rollers, the strong wind outlets are connected with the variable frequency high-speed high-pressure fan through a pipeline, the hot strong wind outlets are connected with the strong wind heating chamber through a pipeline, and the hot air outlets are connected with the hot air blower through a pipeline.

2. The composite drying equipment for production boards according to claim 1, characterized in that: The conveying rollers are arranged longitudinally.

3. The composite drying equipment for production boards according to claim 2, characterized in that: There are multiple gaps between the multiple conveying rollers, and the strong air outlet, hot strong air outlet and hot air outlet are respectively located in the gaps.

4. The composite drying equipment for production boards according to claim 3 is characterized in that: The variable frequency high-speed high-pressure fans are located in two places.

5. The composite drying equipment for production boards according to claim 3 is characterized in that: An exhaust port is arranged on the top of the fuselage.

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