A circuit board screen printing, cleaning and air drying integrated machine

Abstract

The utility model discloses a line board screen printing plate cleaning air dry integrated machine, including the warehouse body, be located in the fixed device for the screen printing plate vertical placement in the warehouse body, be located in the slide rail of warehouse body opposite two side walls, with the mounting seat of slide connection of slide rail, and spray washing device and air drying device, the spray washing device includes the text screen printing plate cleaning tank and the anti -solder screen printing plate cleaning tank for containing cleaning agent of being located in the warehouse body bottom, with screen printing plate cleaning tank and anti -solder screen printing plate cleaning tank connection's delivery pump, with the cleaning agent delivery pipe of delivery pump connection, be located in the spray pipe of mounting seat, and install in a plurality of nozzles of spray pipe, the air drying device includes the air pipe of being located in the mounting seat, be located in the air outlet of air pipe, and with screen printing plate opposite setting of air pipe connection for providing compressed air's gas source device, the nozzle and air outlet are opposite setting. The utility model discloses a line board screen printing plate cleaning air dry integrated machine, can satisfy the cleaning and air dry processing of screen printing plate simultaneously, and cleaning effect is good, and the efficiency is high, and the artificial labor intensity is low.

Description

Technical Field

[0001] This utility model relates to the field of circuit board manufacturing technology, specifically to a circuit board screen cleaning and drying integrated machine. Background Technology

[0002] After multiple ink printing processes, the screens used in circuit board screen printing can become clogged. At this point, the screens need to be cleaned with screen cleaning solution, anti-whitening agent, or organic solvents to remove the residual ink. Traditional screen cleaning processes involve manual wiping with a cloth dampened with screen cleaning solution, which suffers from problems such as harsh working conditions, high labor intensity, incomplete cleaning, low efficiency, and large amounts of cleaning agent consumption. After cleaning, the screens then undergo air drying, making the screen transfer process cumbersome and the production environment messy.

[0003] The purpose of this utility model is to provide a circuit board screen cleaning and drying integrated machine to solve the above-mentioned technical problems. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a circuit board screen cleaning and drying integrated machine that can simultaneously meet the cleaning and drying needs of the screen, with good cleaning effect, high cleaning and drying efficiency, low labor intensity, and optimized production environment.

[0005] The technical solution of this utility model is: A circuit board screen cleaning and drying integrated machine includes a chamber, an exhaust device disposed in the chamber, a fixing device disposed in the chamber for vertically placing the screen, slide rails disposed on opposite side walls of the chamber, mounting bases slidably connected to the slide rails, a power device for driving the mounting bases to slide along the slide rails, and a spraying device and a drying device. The spray cleaning device includes a text screen cleaning tank and a weld-resistant screen cleaning tank located at the bottom of the chamber for holding cleaning agent, a delivery pump connected to the text screen cleaning tank and the weld-resistant screen cleaning tank, a cleaning agent delivery pipe connected to the delivery pump, a spray pipe located on the mounting base, and a plurality of nozzles installed on the spray pipe. The nozzles are arranged facing the screen, and the cleaning agent delivery pipe is connected to the spray pipe via a flexible hose. The air drying device includes an air duct provided on the mounting base, an air outlet provided on the air duct, and an air source device connected to the air duct for providing compressed air. The air outlet is positioned opposite the screen, and the air source device's delivery pipe is connected to the air duct via a flexible hose.

[0006] Furthermore, the distance between the nozzles on the spray pipe and the air outlets on the air duct and the screen is 5-10cm.

[0007] Furthermore, the spray pipes and the air ducts are arranged alternately, with 2-4 of each.

[0008] Furthermore, the nozzles on the spray pipe are fan-shaped nozzles, and the water flow is sprayed in a fan shape; the air outlets on the air duct are nozzles or air knives.

[0009] Furthermore, control valves are respectively provided on the pipelines connecting the text screen cleaning box and the weld bead screen cleaning box to the conveying pump. The integrated circuit board screen cleaning and drying machine also includes a control device, which is electrically connected to the control valve.

[0010] Furthermore, a recycling trough is provided at the bottom of the hopper.

[0011] Furthermore, the fixing device includes a top fixing rod disposed on the top of the silo body, side rods disposed on opposite side walls of the silo body, a plurality of position adjustment devices disposed on the side rods and distributed in the vertical direction, a bottom fixing rod detachably connected to the position adjustment devices and parallel to the top fixing rod, and a plurality of clamps disposed on the top fixing rod and the bottom fixing rod, wherein the clamps of the top fixing rod and the bottom fixing rod hold the two ends of the screen.

[0012] Furthermore, the position adjustment device consists of several mounting holes on the side rod, and the bottom fixing rod is fixed to the side rod by connecting screws provided at the mounting holes.

[0013] Furthermore, 2-4 wire mesh panels are fixed inside the chamber.

[0014] Compared with the prior art, the integrated circuit board screen cleaning and drying machine provided by this utility model has the following advantages: I. The integrated circuit board screen cleaning and drying machine provided by this utility model includes a text screen cleaning tank and a solder resist screen cleaning tank inside the chamber to hold the corresponding cleaning agents. During screen cleaning, the screen is placed vertically, and the cleaning agents in the text / solder resist cleaning tank are delivered to the spray pipes via corresponding pumps. The cleaning agents are then sprayed onto the screen surface through nozzles. By moving the spray pipes vertically, the entire surface of the screen is coated with the cleaning agent. After cleaning, the drying device is activated to air-dry the screen surface. This integrated circuit board screen cleaning and drying machine can simultaneously meet the cleaning and drying needs of the screen, with good cleaning effect, high cleaning and drying efficiency, low labor intensity, and optimized production environment.

[0015] II. The integrated circuit board screen cleaning and drying machine provided by this utility model uses a spray washing device to spray and wash the ink on the screen, resulting in good cleaning effect and greatly saving the amount of cleaning agent used. A recovery tank is set at the bottom of the chamber to recover and treat the liquid dripping during the cleaning and drying process, reducing environmental pollution. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is an external schematic diagram of the integrated circuit board screen cleaning and drying machine of this utility model; Figure 2 This is a partial structural diagram of the internal structure of the integrated circuit board screen cleaning and drying machine of this utility model; Figure 3 yes Figure 2 The diagram shows the structure of the screen fixing device in the integrated circuit board screen cleaning and drying machine. Figure 4 yes Figure 2 The diagram shows the structure of the spray washing / drying device in the integrated circuit board screen cleaning and drying machine. Figure 5 This is a schematic diagram of the spray washing / drying process in the integrated circuit board screen cleaning and drying machine of this utility model. Detailed Implementation

[0018] To enable those skilled in the art to better understand the technical solutions in the embodiments of this utility model, and to make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be further described below.

[0019] The endpoints and any values ​​of the ranges disclosed herein are not limited to the precise ranges or values, and these ranges or values ​​should be understood to include values ​​close to these ranges or values. For numerical ranges, the endpoint values ​​of the various ranges, the endpoint values ​​of the various ranges and individual point values, and individual point values ​​can be combined with each other to obtain one or more new numerical ranges, which should be considered as specifically disclosed herein.

[0020] Please refer to the following: Figures 1 to 5 ,in Figure 1 This is an external schematic diagram of the integrated circuit board screen cleaning and drying machine of this utility model; Figure 2 This is a partial structural diagram of the internal structure of the integrated circuit board screen cleaning and drying machine of this utility model; Figure 3 yes Figure 2 The diagram shows the structure of the screen fixing device in the integrated circuit board screen cleaning and drying machine. Figure 4 yes Figure 2 The diagram shows the structure of the spray washing / drying device in the integrated circuit board screen cleaning and drying machine. Figure 5This is a schematic diagram of the spray washing / drying process in the integrated circuit board screen cleaning and drying machine of this utility model. The integrated circuit board screen drying machine of this utility model includes a chamber 1, a chamber door 2 located in the chamber 1, an exhaust device 3 located on the chamber 1, a fixing device 4 located inside the chamber 1 for vertically placing the screen, slide rails 5 located on opposite side walls of the chamber, mounting bases 6 slidably connected to the slide rails, a power device (not shown) for driving the mounting bases to slide along the slide rails, and a spray washing device 7 and a drying device 8. The spray washing device 7 is used to spray wash the screen 200, and the drying device 8 is used to dry the screen after cleaning.

[0021] In this invention, the door 2 has a self-locking function, preventing it from opening during the washing and drying processes, thus ensuring the entire process is carried out in a sealed environment. Specifically, the door 2 is opened or closed by a control device according to the operating program.

[0022] The exhaust device 3 is located at the top of the chamber 1 and is used to exhaust the waste gas generated in the chamber during the screen washing process and the gas generated during the drying process, so as to maintain a constant air pressure in the chamber.

[0023] The fixing device 4 is used to clamp and fix the screen 200. In this invention, the screen is placed vertically, which facilitates the rapid dripping of liquid droplets from its surface during the washing and drying process, thereby improving work efficiency. Furthermore, in this invention, the number of fixing devices 4 is 2-4, corresponding one-to-one with the number of screens, meaning that 2-4 screens can be washed and dried simultaneously within the chamber. Specifically, the fixing device 4 includes a top fixing rod 401 located at the top of the chamber, side rods 402 located on opposite side walls of the chamber, several position adjustment devices 403 located on the side rods and distributed vertically, a bottom fixing rod 404 detachably connected to the position adjustment devices 403 and parallel to the top fixing rod, and several clamps 405 located on the top fixing rod 401 and the bottom fixing rod 404. The clamps on the top and bottom fixing rods are used to clamp both ends of the screen.

[0024] In this embodiment, the position adjustment device 403 consists of several mounting holes on the side rod, and the bottom fixing rod is fixed to the side rod by connecting screws at the mounting holes. Alternatively, the position adjustment device 403 can be several slots, in which the bottom fixing rod 404 is embedded for fixation. During use, the connection position between the bottom fixing rod and the side rod is adjusted according to the size of the screen, and the bottom fixing rod is fixed at the connection position using the position adjustment device.

[0025] The slide rails 5 are distributed on opposite sides of the chamber. In this embodiment, two slide rails are grouped together, and each slide rail is equipped with a mounting base. The spray pipe of the washing device and the air duct of the drying device are fixed by the mounting base. Because the number of slide rail groups is consistent with the number of screens, and each screen to be processed corresponds to a set of slide rails. In this embodiment, the slide rails 5 correspond one-to-one with the side rods that fix the corresponding screens, and the two are spaced apart.

[0026] The spray washing device 7 includes a text screen cleaning tank 701 and a weld bead screen cleaning tank 702 located at the bottom of the tank body for holding cleaning agent; a delivery pump 703 connected to the text screen cleaning tank and the weld bead screen cleaning tank; a cleaning agent delivery pipe 704 connected to the delivery pump; a spray pipe 705 located on the mounting base; and several nozzles 706 installed on the spray pipe 705, with the nozzles 706 facing the screen. The cleaning agent delivery pipe 704 is connected to the outlet pipe of the delivery pump 703. Since the spray pipe moves in a translational manner during the spray washing process, the cleaning agent delivery pipe 704 and the spray pipe 703 are connected by a flexible hose.

[0027] Text screen printing plate cleaning tank 701 and weld resist screen printing plate cleaning tank 702 are used to hold different cleaning agents, allowing the corresponding cleaning agents to be used for cleaning screen printing plates for different applications. The cleaning agent in text screen printing plate cleaning tank 701 is used for cleaning text screen printing plates, while the cleaning agent in weld resist screen printing plate cleaning tank 702 is used for cleaning weld resist screen printing plates. A delivery pump 703 is connected to both text screen printing plate cleaning tank 701 and weld resist screen printing plate cleaning tank 702 to deliver the cleaning agents from each tank. In this embodiment, control valves 707 are respectively installed on the pipelines connecting the text screen printing plate cleaning tank 701 and weld resist screen printing plate cleaning tank 702 to the delivery pump. These control valves are electrically connected to a control device, which controls their opening and closing. During operation, when the delivery pump 703 is used to deliver the text screen cleaning agent, the control valve on the pipeline connecting the welded wire mesh cleaning tank 702 and the delivery pump is closed to achieve cleaning of the text screen; when the delivery pump 703 is used to deliver the welded wire mesh cleaning agent, the control valve on the pipeline connecting the text screen cleaning tank 701 and the delivery pump is closed to achieve cleaning of the welded wire mesh.

[0028] Each set of slide rail mounting base 6 is equipped with 2-4 spray pipes 705, which are spaced apart. When the mounting base moves up and down along the slide rail, multiple spray pipes spray and wash the screen simultaneously, which can increase the effective spraying area of ​​the screen and further improve its spraying efficiency. In this embodiment, the mounting base 6 is driven by a power device to move along the extension direction of the slide rail, that is, in the vertical direction. Preferably, the power device is a cylinder.

[0029] Preferably, nozzle 706 is a fan-shaped nozzle, which sprays water in a fan shape, resulting in a large spray area. More preferably, the distance between the nozzle and the screen is 5-10 cm. In this embodiment, the spray pressure of the spray pipe is 0.1-0.3 MPa.

[0030] The air-drying device 8 includes an air duct 801 mounted on a mounting base, an air outlet 802 mounted on the air duct, and an air source device 803 connected to the air duct for supplying compressed air, wherein the air outlet is positioned directly opposite the screen. Since the air duct moves in a translational manner during the air-drying process, the delivery pipe of the air source device 803 is connected to the air duct 801 via a flexible hose. In this invention, the air source pressure of the air source device is 0.4-0.6 MPa.

[0031] In this embodiment, each set of slide rail mounting base 6 is provided with 2-4 air ducts 801, which are alternately arranged with spray pipes 705. When the mounting base moves up and down along the slide rail, multiple air ducts simultaneously dry the screen, which can increase the effective drying area of ​​the screen and further improve its drying efficiency. The air outlet 802 is arranged directly opposite the screen and is a nozzle or air knife. When the air outlet is a nozzle, multiple nozzles are provided on each air duct. Preferably, the distance between the air outlet and the screen is 5-10cm.

[0032] In this embodiment, a recycling tank 9 is provided at the bottom of the tank to recycle the liquid that drips during the cleaning and drying process, thereby reducing environmental pollution and reducing the consumption of cleaning agents.

[0033] In this invention, the cleaning time for each screen is 2-3 minutes, and the drying time for each screen is 1-2 minutes, resulting in high cleaning and drying efficiency. During application, the start and stop of the spray washing and drying devices can be controlled by a timer.

[0034] This utility model of a circuit board screen cleaning and drying integrated machine can simultaneously meet the cleaning and drying needs of the screen, with good cleaning effect, high cleaning and drying efficiency, low labor intensity, and optimized production environment; a single machine can achieve cleaning and drying of text screens and solder resist screens, and the device has a compact structure.

[0035] The embodiments of this utility model have been described in detail above, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations made to these embodiments without departing from the principles and spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A circuit board screen cleaning and drying integrated machine, characterized in that, It includes a chamber, an exhaust device provided in the chamber, a fixing device provided in the chamber for vertically placing the screen, slide rails provided on opposite side walls of the chamber, mounting bases slidably connected to the slide rails, a power device for driving the mounting bases to slide along the slide rails, and a spray washing device and a drying device. The spray cleaning device includes a text screen cleaning tank and a weld-resistant screen cleaning tank located at the bottom of the chamber for holding cleaning agent, a delivery pump connected to the text screen cleaning tank and the weld-resistant screen cleaning tank, a cleaning agent delivery pipe connected to the delivery pump, a spray pipe located on the mounting base, and a plurality of nozzles installed on the spray pipe. The nozzles are arranged facing the screen, and the cleaning agent delivery pipe is connected to the spray pipe via a flexible hose. The air drying device includes an air duct provided on the mounting base, an air outlet provided on the air duct, and an air source device connected to the air duct for providing compressed air. The air outlet is positioned opposite the screen, and the air source device's delivery pipe is connected to the air duct via a flexible hose.

2. The integrated circuit board screen cleaning and drying machine according to claim 1, characterized in that, The distance between the nozzles on the spray pipe and the air outlets on the air duct and the screen is 5-10cm.

3. The integrated circuit board screen cleaning and drying machine according to claim 1, characterized in that, The spray pipes and the air ducts are arranged alternately, with 2-4 of each.

4. The integrated circuit board screen cleaning and drying machine according to claim 1, characterized in that, The nozzles on the spray pipe are fan-shaped nozzles, and the water flow is sprayed in a fan shape; the air outlets on the air duct are nozzles or air knives.

5. The integrated circuit board screen cleaning and drying machine according to claim 1, characterized in that, The text screen cleaning box and the weld bead screen cleaning box are respectively equipped with control valves on the pipelines connecting to the conveying pump. The integrated circuit board screen cleaning and drying machine also includes a control device, which is electrically connected to the control valve.

6. The integrated circuit board screen cleaning and drying machine according to claim 1, characterized in that, The bottom of the silo is equipped with a recycling tank.

7. The integrated circuit board screen cleaning and drying machine according to claim 1, characterized in that, The fixing device includes a top fixing rod located at the top of the silo body, side rods located on opposite side walls of the silo body, a plurality of position adjustment devices located on the side rods and distributed vertically, a bottom fixing rod detachably connected to the position adjustment devices and parallel to the top fixing rod, and a plurality of clamps located on the top fixing rod and the bottom fixing rod, wherein the clamps on the top fixing rod and the bottom fixing rod hold both ends of the screen.

8. The integrated circuit board screen cleaning and drying machine according to claim 7, characterized in that, The position adjustment device consists of several mounting holes on the side rod, and the bottom fixing rod is fixed to the side rod by connecting screws at the mounting holes.

9. The integrated circuit board screen cleaning and drying machine according to claim 1, characterized in that, The chamber contains 2-4 wire mesh panels.

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