Glue drying oven for PCB (Printed Circuit Board) processing

Abstract

The utility model discloses a glue drying oven for PCB (printed circuit board) processing, which structurally comprises a drying box, a placing bracket and a hot-air blower, a PCB is placed in a placing plate at the inner end of the placing bracket, the placing bracket is pushed into the drying box through a limiting chute and a moving wheel, and the hot-air blower works after a box door is closed, so that the PCB is dried. Hot air is input into the drying box through the air inlet pipe, and is dispersed under the action of the air guide port, so that the hot air is input into each layer of placing plate of the placing bracket, the purpose that all PCBs are heated in a concentrated mode is achieved, the hot air is more concentrated during blowing, and the dispersion condition is reduced. And then hot air passes through the placing bracket, is subjected to intensive centralized treatment under the action of the gas collecting hood, is input into the air heater through one end of the three-way pipe, and is input again for use through the gas inlet pipe, so that heat loss is avoided, heat recycling is achieved, and the drying effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing equipment, in particular to a glue drying oven for PCB board processing. Background Art

[0002] In the PCB manufacturing process, glue is needed to fix the PCB board and other components. After the glue is used, it needs to be cured to ensure its durability. Most of the glue curing equipment currently used uses a heat oven for drying and curing to ensure that the gas heating curing does not affect the quality of the PCB board.

[0003] However, most drying ovens now use heat to directly dry the surface of the PCB board, which causes the PCB board to be heated to a high level, affecting the quality of the PCB board. In addition, the heat is easily dissipated during use, and the heat utilization efficiency is low, resulting in heat waste.

[0004] Therefore, a PCB board glue drying oven which is convenient for heat circulation is proposed. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In order to overcome the shortcomings of the existing technology, a glue drying oven for PCB board processing is proposed to solve the problem that most drying ovens currently use heat to directly dry the surface of the PCB board, resulting in high heat on the PCB board, affecting the quality of the PCB board, and the heat is easily dissipated during use, the heat utilization efficiency is low, and heat waste is caused.

[0007] (II) Technical solution

[0008] The utility model is realized by the following technical scheme: The utility model proposes a glue drying oven for PCB board processing, comprising a drying box,

[0009] A door is connected to one side of the drying box, a control panel is installed on the outside of the drying box, and a placement bracket is installed inside the drying box;

[0010] A hot air blower is installed on the outside of the drying box, and the air outlet end of the hot air blower is connected to one side of the drying box through an air inlet pipe, the air suction end of the hot air blower is connected to an air suction pipe, and the other end of the air suction pipe is connected to the other side of the drying box through a three-way pipe, a funnel-shaped air supply hood is provided on one side of the air inlet pipe inside the drying box, and the bottom end of the air supply hood is connected to the air inlet pipe, the outside of the air supply hood is covered with a guardrail, and a plurality of funnel-shaped air guide ports are provided inside the guardrail, and a funnel-shaped air collecting hood is provided at one end of the three-way pipe inside the drying box, and the bottom end of the air collecting hood is connected to one end of the three-way pipe.

[0011] Furthermore, an observation window is installed on the inner side of the box door.

[0012] Furthermore, universal wheels are installed at the bottom end of the drying box.

[0013] Furthermore, a moving wheel is connected to the bottom end of the placement bracket, and a limiting slide groove connected to the moving wheel is symmetrically provided on the bottom end surface of the drying box.

[0014] Furthermore, a temperature sensor is installed inside the drying box.

[0015] Furthermore, the placement bracket is provided with a plurality of layers of placement plates, and the number of the placement plates is consistent with the number of the air guide ports.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the utility model, heat is generated by a hot air blower, so that the inside of the drying box is dried through the air inlet pipe, and the hot air is diffused under the action of the air supply hood, and the heat is concentratedly supplied to each layer of the placement plate through the air guide port inside the railing, and then the heat is re-absorbed into the hot air blower under the action of the three-way pipe outside the air collecting hood, and then re-input into the drying box for drying, thereby realizing the recycling of heat, saving more energy and achieving the effect of higher drying efficiency.

[0019] In the utility model, the hot air is divided and discharged into the interior of the placement bracket through the funnel-shaped air guide port, and is concentratedly blown to the upper end of the placement plate on the placement bracket, so that the heat is processed more concentratedly during drying, avoiding excessive dispersion of the hot air and resulting in poor drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0023] Figure 3 It is a schematic diagram of the internal structure of the structure of the utility model from top view;

[0024] Figure 4 It is a schematic diagram of the internal side structure of the utility model;

[0025] In the figure: drying box-1, control panel-2, box door-3, observation window-4, air inlet pipe-5, universal wheel-6, temperature sensor-7, placement bracket-8, placement plate-9, limiting slide-10, moving wheel-11, air collecting hood-12, three-way pipe-13, air supply hood-14, guardrail-15, air guide port-16, hot air blower-17, suction pipe-18. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] See also Figure 1-Figure 4 The utility model provides a glue drying oven for PCB board processing, including a drying box 1, which is used to dry the PCB board inside the drying box 1 to prevent heat from escaping to the outside and achieve overall sealing. A universal wheel 6 is installed at the bottom of the drying box 1 so that the staff can push the device to move, making the pushing more convenient and easy to use. A box door 3 is connected to one side of the drying box 1, and the box door 3 is fixed to the drying box 1 through a flat-mouth buckle, which is convenient for disassembly. After the box door 3 is flipped open, the box door 3 is horizontal with the bottom end surface of the drying box 1, so as to facilitate the removal of the placement bracket 8. An observation window 4 is installed on the inner side of the box door 3 so that the staff can observe the internal drying situation and handle it in time. A control panel 2 is installed on the outer side of the drying box 1 to facilitate the staff to control the equipment The equipment is easy to operate, and a placement bracket 8 is installed inside the drying box 1 for convenient placement of PCB boards. The bottom end of the placement bracket 8 is connected to a moving wheel 11. The bottom end surface of the drying box 1 is symmetrically provided with a limiting slide 10 connected to the moving wheel 11, so as to facilitate the placement bracket 8 to be moved and taken out inside the drying box 1, and under the action of the limiting slide 10 and the moving wheel 11, it is convenient to limit the movement to avoid cheap situations. Several layers of placement plates 9 are arranged inside the placement bracket 8 so that most PCB boards can be dried at one time, which speeds up work efficiency, and the number of layers of the placement plates 9 is consistent with the number of air guide ports 16, so that the hot air is at each layer of the placement plates 9 during ventilation, so that it can dry the PCB boards on the placement plates 9, so that the heat is processed more concentratedly.

[0028] A hot air blower 17 is installed on the outside of the drying box 1 to generate heat for drying. The air outlet end of the hot air blower 17 is connected to one side of the drying box 1 through the air inlet pipe 5, so that the heat generated by the hot air blower 17 is input into the drying box 1 for drying. The air intake end of the hot air blower 17 is connected to the air intake pipe 18, and the other end of the air intake pipe 18 is connected to the other side of the drying box 1 through the three-way pipe 13. Under the action of the three-way pipe 13, the hot air can be sucked out, and the outside air can be sucked in through the other end of the three-way pipe 13, which is convenient for replacing the internal heat. A funnel-shaped air supply hood 14 is provided on one side of the air inlet pipe 5 inside the drying box 1, and the bottom end of the air supply hood 14 is connected to the air inlet pipe 5, which is convenient for the air supply hood 1 4 is used to increase the diffusion area, the outer side of the air hood 14 is covered with a baffle 15, and the incoming hot air is blocked by the baffle 15. A plurality of funnel-shaped air guide ports 16 are provided inside the baffle 15, so that the heat is discharged to one side through the air guide ports 16, so that the heat is more concentrated when it is output. A funnel-shaped air collecting hood 12 is provided at one end of the three-way pipe 13 inside the drying box 1, and the bottom end of the air collecting hood 12 is connected to one end of the three-way pipe 13, so that the hot air inside is concentratedly sucked out, so that the suction effect is stronger. A temperature sensor 7 is installed inside the drying box 1 to control the temperature inside the drying box 1 to avoid the situation where the internal temperature is higher and affects the PCB board.

[0029] Working principle: When in use, first connect the control panel 2, the temperature sensor 7 and the hot air blower 17 to an external power supply, then place the PCB board on the upper end of the placement plate 9, and then push the placement bracket 8 to make it pushed into the drying box 1 under the action of the limiting slide 10 and the moving wheel 11, and then after closing the box door 3, the hot air blower 17 starts to work, inputs the inside of the drying box 1 through the air inlet pipe 5, and diffuses the hot air under the action of the air hood 14, so that under the action of the air guide port 16 of the railing 15, the hot air is concentrated and input into the placement plate 9 inside the placement bracket 8 to dry the PCB board, and under the action of the suction pipe 18 and the three-way pipe 13, the air passing through the inside of the drying box 1 is re-input into the drying box 1 for drying work, thereby completing the work.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A glue drying oven for PCB board processing, comprising a drying box (1), It is characterized by: A door (3) is connected to one side of the drying box (1), a control panel (2) is installed on the outside of the drying box (1), and a placement bracket (8) is installed inside the drying box (1); A hot air blower (17) is installed on the outside of the drying box (1), and the air outlet end of the hot air blower (17) is connected to one side of the drying box (1) through an air inlet pipe (5). The air intake end of the hot air blower (17) is connected to an air intake pipe (18), and the other end of the air intake pipe (18) is connected to the other side of the drying box (1) through a three-way pipe (13). A funnel-shaped air supply hood (14) is provided on one side of the air inlet pipe (5) inside the drying box (1), and the bottom end of the air supply hood (14) is connected to the air inlet pipe (5). The outside of the air supply hood (14) is covered with a layer of baffle plate (15), and a plurality of funnel-shaped air guide ports (16) are provided inside the baffle plate (15). A funnel-shaped air collecting hood (12) is provided on one end of the three-way pipe (13) inside the drying box (1), and the bottom end of the air collecting hood (12) is connected to one end of the three-way pipe (13).

2. The adhesive drying oven for PCB board processing according to claim 1, characterized in that: An observation window (4) is installed on the inner side of the box door (3).

3. The adhesive drying oven for PCB board processing according to claim 1, characterized in that: Universal wheels (6) are installed at the bottom end of the drying box (1).

4. The adhesive drying oven for PCB board processing according to claim 1, characterized in that: The bottom end of the placement bracket (8) is connected to a moving wheel (11), and the bottom end surface of the interior of the drying box (1) is symmetrically provided with a limiting slide groove (10) connected to the moving wheel (11).

5. The adhesive drying oven for PCB board processing according to claim 1, characterized in that: A temperature sensor (7) is installed inside the drying box (1).

6. The adhesive drying oven for PCB board processing according to claim 1, characterized in that: The placement bracket (8) is provided with a plurality of layers of placement plates (9) inside, and the number of layers of the placement plates (9) is consistent with the number of the air guide ports (16).

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