Spraying device for three-proofing coating of circuit board and capable of preventing coating from being solidified

Abstract

The utility model discloses a circuit board three-proofing coating spraying device capable of avoiding coating solidification, and relates to the technical field of circuit board spraying, the circuit board three-proofing coating spraying device comprises a base and a three-proofing coating box, a vertical plate is installed on the left side above the base, a material receiving frame is installed on a supporting table, and a spraying table is installed above the supporting table through a supporting rod; a horizontal block is installed on the upper portion of the right side of the vertical plate, a ball screw is installed on the left side of a servo motor, a collecting box is installed below a sliding block, and a water tank is installed on the rear side of the collecting box through a connecting column. And a coating pump is mounted on the right side of the three-proofing coating box. The spraying device capable of preventing the coating from being solidified for the three-proofing coating of the circuit board is provided with the spraying table, when the circuit board is sprayed, the circuit board is placed in a groove in the spraying table, and the sprayed three-proofing coating can flow into a material receiving frame below through a through hole in the groove, so that the three-proofing coating is conveniently collected; meanwhile, the three-proofing coating is prevented from flowing out and being inconvenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to line route board spraying technical field, concretely is a kind of line route board three-proof coating use spraying device of paint solidification can be avoided. BACKGROUND

[0002] Line route board is a kind of support body of electronic component, mainly for electrical connection. It is made by electronic printing, and wire is printed on insulating base material, so as to reduce the space occupied by wire and clearly organize circuit layout. Line route board has multiple types, including single-sided board, double-sided board and multilayer line route board, suitable for different electronic equipment needs.

[0003] Line route board is sprayed with a layer of special formula paint on the surface during processing, to protect line route board and its related equipment from environmental erosion and damage. This paint is usually called three-proof paint.

[0004] As application No. 202022322210.6, a flexible line route board spraying device is provided. By setting a second shaft between the first support column and the fixed plate, the spraying efficiency is improved, and the spraying efficiency is improved by using the electric push rod to control the movement of the sliding plate. The spray head can spray multiple flexible line route boards, and the fixed mode is simple and firm. However, the device still has some defects.

[0005] During the spraying process of line route board spraying, if the number of line route boards to be sprayed is large and the spraying time is long, the paint in the paint tank is prone to solidification, and the sprayed paint cannot be collected.

[0006] Therefore, we propose a line route board three-proof coating spraying device that can prevent paint from solidifying, in order to solve the problems raised in the above. INVENTION CONTENTS

[0007] The utility model aims at providing a line route board three-proof coating spraying device that can prevent paint from solidifying, to solve the problem that during the spraying process of line route board spraying on the market, if the number of line route boards to be sprayed is large and the spraying time is long, the paint in the paint tank is prone to solidification, and the sprayed paint cannot be collected.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a line route board three-proof coating spraying device that can prevent paint from solidifying, comprising a base and a three-proof paint tank, a vertical plate is installed on the upper left side of the base, and a three-proof paint tank and a support table are installed on the upper surface of the base from left to right, a receiving frame is installed on the support table, and a spraying table is installed on the upper side of the support table through a support rod.

[0009] The right side of the vertical plate is provided with a horizontal block, and the right side of the horizontal block is provided with a servo motor, the left side of the servo motor is provided with a ball screw, and the ball screw is provided with a sliding block and a first bevel gear, the lower side of the sliding block is provided with a collection box, and the lower side of the collection box is provided with a paint spraying head, and the rear side of the collection box is provided with a water tank through a connecting column.

[0010] The right side of the three-proof paint box is provided with a paint pump, the inside of the three-proof paint box is provided with a transmission shaft through a bearing piece, and the transmission shaft is provided with a stirring blade, and the stirring blade is provided with a scraping plate, and the upper end of the transmission shaft is provided with a second bevel gear.

[0011] Preferably, the upper surface of the spraying table is provided with a groove, and the groove is provided with a through hole, and the spraying table is located directly above the receiving frame.

[0012] With the above structure design, when the circuit board is sprayed, the circuit board is placed in the groove on the spraying table, and the sprayed three-proof paint can flow into the receiving frame below through the through hole on the groove, so that the three-proof paint is collected, and the three-proof paint is prevented from flowing out and being difficult to clean.

[0013] Preferably, the lower surface of the horizontal block is provided with a sliding groove, and the sliding block and the sliding groove are slidingly connected.

[0014] With the above structure design, the sliding block can move left and right along the sliding groove when under stress, so that the sliding block moves left and right more stably.

[0015] Preferably, the paint spraying head is connected with the inside of the collection box, and the front surface of the water tank is provided with an atomizing nozzle.

[0016] With the above structure design, the three-proof paint in the collection box can be sprayed out through the paint spraying head, so that the circuit board below is sprayed.

[0017] Preferably, the atomizing nozzle is located at the rear side of the paint spraying head, and the atomizing nozzle is provided with a control valve, and the surface of the atomizing nozzle is provided with a detachable protective cover.

[0018] With the above structure design, when the spraying of the circuit board is completed, the protective cover on the atomizing nozzle is removed, the control valve is opened, and the water in the water tank can be sprayed out through the atomizing nozzle, so that the three-proof paint on the paint spraying head is softened, and the three-proof paint is prevented from solidifying, so that the paint spraying head is cleaned.

[0019] Preferably, the lower side and the upper side of the paint pump are respectively provided with an inlet pipe and an outlet pipe, the inlet pipe is connected with the inside of the three-proof paint box, the outlet pipe is connected with the inside of the collection box, and the outlet pipe is designed in an extendable structure.

[0020] With the above structure design, the paint pump is started, the paint pump draws the paint in the three-proof paint box through the feeding pipe, and then delivers the paint to the collecting box through the discharging pipe.

[0021] Preferably, the second bevel gear is perpendicular to and engaged with the first bevel gear, the right side of the vertical plate is provided with a bearing seat, and the bearing seat is rotationally connected with the transmission shaft.

[0022] With the above structure design, the servo motor is started, the servo motor drives the ball screw to rotate through the output shaft, the ball screw drives the sliding block to move left and right, thereby driving the collecting box and the paint spray head below to move left and right, so as to spray the circuit board through the paint spray head, the ball screw drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the transmission shaft to rotate, and the transmission shaft drives the stirring blade and the scraping plate to rotate, so as to stir the paint in the three-proof paint box and prevent it from solidifying, and meanwhile, the inner wall of the three-proof paint box is cleaned through the scraping plate, so that the stirring blade and the scraping plate can be driven to rotate synchronously when the paint spray head moves left and right to spray the circuit board.

[0023] Compared with the prior art, the circuit board three-proof coating spraying device can avoid paint solidification.

[0024] 1. The spraying table is provided, the circuit board is placed in the groove on the spraying table during spraying, the three-proof paint can flow to the receiving frame below through the through hole on the groove, so that the three-proof paint can be collected, and the three-proof paint can be prevented from flowing out and being inconvenient to clean.

[0025] 2. The stirring blade and the scraping plate are provided, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the transmission shaft to rotate, and the transmission shaft drives the stirring blade and the scraping plate to rotate, so as to stir the paint in the three-proof paint box and prevent it from solidifying.

[0026] 3. The water tank and the atomizing nozzle are provided, the protective cover on the atomizing nozzle is removed after spraying the circuit board, the control valve is opened, the water in the water tank can be sprayed out through the atomizing nozzle, the three-proof paint on the paint spray head is softened, and the three-proof paint can be prevented from solidifying, so that the paint spray head can be cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a front view structural schematic diagram of the utility model;

[0028] Figure 2 It is a front view structural schematic diagram of the utility model; Figure 1 It is an enlarged structural schematic diagram of A in the utility model;

[0029] Figure 3 It is a front view structural schematic diagram of the utility model;Figure 1 Enlarged structure schematic view of the middle B;

[0030] Figure 4 Structure schematic view of the spraying table of the utility model;

[0031] Figure 5 Structure schematic view of the collecting box and water tank position of the utility model;

[0032] Figure 6 The utility model discloses Figure 5 Enlarged structure schematic view of the middle C.

[0033] In the drawing: 1, base; 2, vertical plate; 3, three-proofing paint box; 4, support table; 5, receiving frame; 6, support rod; 7, spraying table; 8, recess; 9, through hole; 10, horizontal block; 11, servo motor; 12, ball screw; 13, sliding block; 14, first bevel gear; 15, sliding slot; 16, collecting box; 17, paint spraying head; 18, connecting column; 19, water tank; 20, atomizing nozzle; 21, control valve; 22, paint pump; 23, feed pipe; 24, discharge pipe; 25, transmission shaft; 26, stirring blade; 27, scraping plate; 28, second bevel gear; 29, bearing seat. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0035] Please refer to Figures 1-6The utility model provides a technical scheme: a line board three -proof coating is with spraying device that can avoid paint solidification, including base 1, vertical board 2, three -proof paint box 3, support platform 4, material receiving frame 5, support rod 6, spraying table 7, recess 8, through -hole 9, horizontal piece 10, servo motor 11, ball screw 12, sliding block 13, first bevel gear 14, sliding slot 15, collection box 16, paint spraying head 17, connecting column 18, water tank 19, atomizing nozzle 20, control valve 21, paint pump 22, feed pipe 23, discharge pipe 24, transmission shaft 25, stirring vane 26, material scraping plate 27, second bevel gear 28 and bearing seat 29, the upper left side of base 1 is installed with vertical board 2, and the upper surface of base 1 is installed with three -proof paint box 3 and support platform 4 in proper order from left to right, and material receiving frame 5 is installed on support platform 4, and spraying table 7 is installed on the upper side of support platform 4 through support rod 6, the upper surface of spraying table 7 is provided with recess 8, and through -hole 9 is formed in recess 8, and spraying table 7 is located directly above material receiving frame 5, when spraying the line board, the line board is placed in the recess 8 on the spraying table 7, and the three -proof paint of spraying can flow to the material receiving frame 5 below through the through -hole 9 on the recess 8, so that it is convenient to collect the three -proof paint, and meanwhile, it prevents the three -proof paint from flowing out and being inconvenient to clean.

[0036] The right upper side of vertical board 2 is installed with horizontal piece 10, the lower surface of horizontal piece 10 is provided with sliding slot 15, sliding block 13 and sliding slot 15 are slidably connected, sliding block 13 can move left and right along sliding slot 15 when being stressed, so that sliding block 13 moves left and right more stably, and the right side of horizontal piece 10 is installed with servo motor 11, the left side of servo motor 11 is installed with ball screw 12, and ball screw 12 is installed with sliding block 13 and first bevel gear 14, the lower side of sliding block 13 is installed with collection box 16, and the lower side of collection box 16 is installed with paint spraying head 17, water tank 19 is installed on the rear side of collection box 16 through connecting column 18, paint spraying head 17 is communicated with the inside of collection box 16, atomizing nozzle 20 is installed on the lower side of the front surface of water tank 19, the three -proof paint in collection box 16 can be sprayed out through paint spraying head 17, so that the line board below is sprayed, atomizing nozzle 20 is located at the rear side of paint spraying head 17, and control valve 21 is installed on atomizing nozzle 20, detachable protective cover is installed on the surface of atomizing nozzle 20, when spraying the line board is completed, the protective cover on atomizing nozzle 20 is detached, control valve 21 is opened, the water in water tank 19 can be sprayed out through atomizing nozzle 20, so that the three -proof paint on paint spraying head 17 is softened, and solidification is prevented, so that it is convenient to clean paint spraying head 17.

[0037] The right side of the three-proofing paint box 3 is provided with a paint pump 22, and the lower and upper sides of the paint pump 22 are respectively provided with an inlet pipe 23 and an outlet pipe 24, the inlet pipe 23 is communicated with the inside of the three-proofing paint box 3, the outlet pipe 24 is communicated with the inside of the collecting box 16, the outlet pipe 24 is designed in a telescopic structure, the paint pump 22 is started, the paint pump 22 draws out the paint in the three-proofing paint box 3 through the inlet pipe 23, and then delivers the paint to the collecting box 16 through the outlet pipe 24, the inside of the three-proofing paint box 3 is provided with a transmission shaft 25 through a bearing piece, the transmission shaft 25 is provided with a stirring blade 26, the stirring blade 26 is provided with a scraping plate 27, the upper end of the transmission shaft 25 is provided with a second bevel gear 28, the second bevel gear 28 is perpendicular to and engaged with the first bevel gear 14, the right side of the vertical plate 2 is provided with a bearing seat 29, the bearing seat 29 is rotationally connected with the transmission shaft 25, the servo motor 11 is started, the servo motor 11 drives the ball screw 12 to rotate through an output shaft, the ball screw 12 drives the sliding block 13 to move left and right, so as to drive the lower collecting box 16 and the paint spraying head 17 to move left and right, so as to spray the circuit board through the paint spraying head 17, the ball screw 12 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 28 to rotate, the second bevel gear 28 drives the transmission shaft 25 to rotate, the transmission shaft 25 drives the stirring blade 26 and the scraping plate 27 to rotate, the paint in the three-proofing paint box 3 is stirred to prevent solidification, and the inner wall of the three-proofing paint box 3 is cleaned through the scraping plate 27, so that the stirring blade 26 and the scraping plate 27 can be driven to rotate synchronously to stir the paint in the three-proofing paint box 3 when the paint spraying head 17 moves left and right to spray the circuit board.

[0038] Working principle: when the circuit board three-proofing coating spraying device capable of preventing paint solidification is used, first, the circuit board is placed in the groove 8 on the spraying table 7, the paint pump 22 is started, the paint pump 22 draws out the paint in the three-proofing paint box 3 through the inlet pipe 23, and then delivers the paint to the collecting box 16 through the outlet pipe 24, the three-proofing paint in the collecting box 16 can be sprayed out through the paint spraying head 17, so as to spray the circuit board below.

[0039] The servo motor 11 is started, the servo motor 11 drives the ball screw 12 to rotate through the output shaft, the ball screw 12 drives the sliding block 13 to move left and right, thereby driving the lower collecting box 16 and the paint spray head 17 to move left and right, thereby spraying the circuit board through the paint spray head 17, the ball screw 12 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 28 to rotate, the second bevel gear 28 drives the transmission shaft 25 to rotate, the transmission shaft 25 drives the stirring blade 26 and the scraping plate 27 to rotate, the three-proofing paint in the three-proofing paint box 3 is stirred to prevent solidification, and the inner wall of the three-proofing paint box 3 is cleaned through the scraping plate 27, so that the stirring blade 26 and the scraping plate 27 can be driven to rotate simultaneously when the paint spray head 17 moves left and right to spray the circuit board, the three-proofing paint in the three-proofing paint box 3 is stirred, and the sprayed three-proofing paint can flow into the lower receiving frame 5 through the through hole 9 on the groove 8, so that the three-proofing paint can be conveniently collected, and the three-proofing paint is prevented from flowing out and being inconvenient to clean.

[0040] When the spraying of the circuit board is completed, the protective cover on the atomizing spray head 20 is removed, the control valve 21 is opened, and the water in the water tank 19 can be sprayed out through the atomizing spray head 20, so that the three-proofing paint on the paint spray head 17 is softened and prevented from solidifying, thereby facilitating the cleaning of the paint spray head 17. Thus, a series of work is completed. The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0041] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A coating device for a circuit board, which can prevent solidification of a coating material, comprising a base (1) and a three-coating material tank (3), characterized in that: The upper left side of the base (1) is provided with a vertical plate (2), and the upper surface of the base (1) is sequentially provided with a three-proofing paint box (3) and a supporting table (4) from left to right, a receiving frame (5) is installed on the supporting table (4), and a spraying table (7) is installed on the upper side of the supporting table (4) through a supporting rod (6); The right side of the vertical plate (2) is provided with a horizontal block (10), a servo motor (11) is installed on the right side of the horizontal block (10), a ball screw (12) is installed on the left side of the servo motor (11), a sliding block (13) and a first bevel gear (14) are installed on the ball screw (12), a collecting box (16) is installed below the sliding block (13), and a paint spraying head (17) is installed below the collecting box (16), and a water tank (19) is installed on the rear side of the collecting box (16) through a connecting column (18); The right side of the three-proofing paint box (3) is provided with a paint pump (22), a transmission shaft (25) is installed in the three-proofing paint box (3) through a bearing piece, and a stirring blade (26) is installed on the transmission shaft (25), a scraping plate (27) is installed on the stirring blade (26), and a second bevel gear (28) is installed on the upper end of the transmission shaft (25).

2. The coating-set-preventable printed wiring board three-protective-coating spraying device according to claim 1, characterized by: The upper surface of the spraying table (7) is provided with a groove (8), and a through hole (9) is formed in the groove (8), and the spraying table (7) is located directly above the receiving frame (5).

3. The coating-set-preventable printed wiring board three-protective-coating spraying device according to claim 1, characterized by: The lower surface of the horizontal block (10) is provided with a sliding groove (15), and the sliding block (13) and the sliding groove (15) are connected in sliding mode.

4. The coating-set-preventable printed wiring board three-protective-coating spraying device according to claim 1, characterized by: The paint spraying head (17) is connected with the inside of the collecting box (16), and the front surface of the water tank (19) is provided with an atomizing nozzle (20).

5. The coating-set-preventable printed wiring board three-protective-coating spraying device according to claim 4, characterized by: The atomizing nozzle (20) is located on the rear side of the paint spraying head (17), and a control valve (21) is installed on the atomizing nozzle (20), and a detachable protective cover is installed on the surface of the atomizing nozzle (20).

6. The coating-set-avoidable printed wiring board three-protective-coating spraying device according to claim 1, characterized by: The lower side and the upper side of the paint pump (22) are respectively provided with an inlet pipe (23) and an outlet pipe (24), the inlet pipe (23) is connected with the inside of the three-proofing paint box (3), the outlet pipe (24) is connected with the inside of the collecting box (16), and the outlet pipe (24) is designed in an extendable structure.

7. The coating-set-avoidable printed wiring board three-protective-coating spraying device according to claim 1, characterized by: The second bevel gear (28) and the first bevel gear (14) are perpendicular to each other and meshed with each other, a bearing seat (29) is installed on the right side of the vertical plate (2), and the bearing seat (29) is rotatably connected with the transmission shaft (25).

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