CN222606772U

CN222606772U - Automatic PCBA board three-proofing paint spraying machine

Info

Publication number: CN222606772U
Application number: CN202420537282.8U
Authority: CN
Inventors: 周墅根; 胥保高; 崔蓉
Original assignee: Nanjing Gaoxi Electronic Technology Co ltd
Current assignee: Nanjing Gaoxi Electronic Technology Co ltd
Priority date: 2024-03-20
Filing date: 2024-03-20
Publication date: 2025-03-14
Anticipated expiration: 2034-03-20

Abstract

The utility model discloses an automatic spraying machine for three-proofing paint of a PCBA board, which relates to the technical field of three-proofing paint spraying and comprises a stepping conveyor and an automatic spraying machine arranged on the upper surface of the stepping conveyor, wherein a fixing frame is arranged on the left side of the upper surface of the stepping conveyor, and a positioning mechanism is arranged outside the fixing frame. This PCBA board three proofings lacquer automatic spraying machine compares with current ordinary PCBA board three proofings lacquer automatic spraying machine, operating personnel only need roughly place PCBA board on step conveyer, transmit the assigned position of automatic spraying machine by step conveyer and carry out the spraying, if PCBA board size changes, can twist out the locking screw rod, sliding adjustment spacing slide bar makes it laminate PCBA board and laminate the location, during the location, rubber gyro wheel can reduce the friction when locating plate laminating location, the convenient dismantlement of design of gyro wheel groove and screw rod is changed rubber gyro wheel.

Description

Automatic PCBA board three-proofing paint spraying machine

Technical Field

The utility model relates to the technical field of three-proofing paint spraying, in particular to an automatic PCBA board three-proofing paint spraying machine.

Background

In the production process of the PCBA board, in order to protect the circuit board and related equipment from being corroded by the environment, the PCBA board is usually required to be sprayed with three-proofing paint, the PCBA board is protected through the formed three-proofing paint coating, the coating modes mainly comprise two modes, namely coating the surface of the PCBA board through a hairbrush, and the other mode is directly coating the surface of the PCBA board through a spraying gun.

The utility model relates to a spraying machine for producing PCBA boards, which is characterized in that an electric sliding rail is started by a worker, a sliding block drives a connecting frame to move along the electric sliding rail, the connecting frame drives a push plate and a placing plate to move, the PCBA boards also move along with the push plate, then the worker starts a spraying machine body, the spraying machine body moves to the upper part of the PCBA boards, a spray head sprays three-proofing paint on the PCBA boards, and then the PCBA boards can be moved and sprayed with the three-proofing paint, so that the quality of the PCBA boards is prevented from being influenced by excessive paint spraying. However, the device needs to be manually placed one by one for positioning, the spraying efficiency is low, and the adjustment is inconvenient when PCBA plates of batches with different sizes are replaced.

Accordingly, in view of the above, an automatic spraying machine for three-proofing paint of a PCBA board is provided, which is researched and improved against the defects of the existing structure.

Disclosure of utility model

The utility model aims to provide an automatic PCBA board three-proofing paint spraying machine so as to solve the problems in the background technology.

In order to achieve the purpose, the technical scheme is that the automatic PCBA board three-proofing paint spraying machine comprises a stepping conveyor and an automatic spraying machine arranged on the upper surface of the stepping conveyor, wherein a fixing frame is arranged on the left side of the automatic spraying machine on the upper surface of the stepping conveyor, and a positioning mechanism is arranged outside the fixing frame.

Preferably, the positioning mechanism comprises a transmission motor fixedly connected to the front surface of the fixing frame, the output end of the transmission motor is fixedly connected with a bidirectional reciprocating screw rod, the outer circular surface of the bidirectional reciprocating screw rod is in threaded connection with two nut seats, and the lower surface of the nut seats is provided with a positioning plate.

Preferably, a limiting slide bar is fixedly connected between the outer surfaces of the fixing frames, a slide block is slidably connected to the outer round surface of the limiting slide bar, and the lower surface of the slide block is fixedly connected to the upper surface of the nut seat.

Preferably, the lower surface fixedly connected with base plate of nut seat, the jack has been seted up to the surface of base plate, the surface fixedly connected with fixed inserted bar of locating plate, and fixed inserted bar runs through the inside of jack, the upper surface of base plate extends to the inside threaded connection of jack and has the locking screw.

Preferably, the outer surface of the positioning plate extends to the lower surface and is provided with a roller groove, and the inner screw rod of the roller groove is connected with a rubber roller.

Preferably, the front and rear surfaces of the stepping conveyor extend to the upper portion, a side plate is arranged above the front and rear surfaces of the stepping conveyor, one end of the side plate is fixedly connected with a protection plate, a curtain cloth is arranged on the lower surface of the protection plate, and a maintenance cover is rotatably connected to the upper surface of the side plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, through the arrangement of the stepping conveyor, the automatic spraying machine, the fixing frame, the positioning mechanism, the transmission motor, the bidirectional reciprocating screw rod, the nut seats, the positioning plate, the limiting slide rod, the sliding block, the base plate, the jack, the fixed inserted rod, the locking screw rod, the roller groove and the rubber roller, an operator only needs to roughly place the PCBA plate on the stepping conveyor, the transmission motor on the fixing frame can drive the bidirectional reciprocating screw rod to rotate, under the limiting action of the limiting slide rod and the sliding block, the two nut seats can reciprocate to drive the positioning plate to match with the stepping conveyor to perform centering positioning operation, after positioning, the positioning plate is transmitted to the appointed position of the automatic spraying machine by the stepping conveyor for spraying, if the size of the PCBA plate changes, the locking screw rod can be screwed out, the position of the limiting slide rod is adjusted in the jack, so that the PCBA plate can be jointed and positioned, the locking screw rod is screwed up again, and the position is fixed, and when the positioning is performed, friction of the positioning plate in jointing and positioning is reduced in the process, the roller groove and the screw rod is designed to facilitate the disassembly and replacement of the rubber roller in the process, and the design is convenient for positioning PCBA plates with different sizes in positioning batches;

2. According to the utility model, through the arrangement of the side plates, the protection plates, the curtain cloth and the maintenance cover, the curtain cloth under the protection plates can not cause excessive influence on the transmission of the PCBA while being protected as much as possible, and the rotary maintenance cover is convenient for maintaining the internal positioning mechanism, so that the design can reduce the pollution of the external environment to the environment of the automatic spraying machine.

Drawings

FIG. 1 is a portion of the present utility model a schematic three-dimensional structure;

Fig. 2 is a schematic perspective view of the positioning mechanism 4 of the present utility model;

fig. 3 is a schematic perspective view of the substrate 7 of the present utility model;

fig. 4 is a schematic overall perspective view of the present utility model.

In the figure, 1, a stepping conveyor; 2, an automatic spraying machine, 3, a fixing frame, 4, a positioning mechanism, 41, a transmission motor, 42, a bidirectional reciprocating screw rod, 43, a nut seat, 44, a positioning plate, 5, a limit sliding rod, 6, a sliding block, 7, a base plate, 8, an inserting hole, 9, a fixed inserting rod, 10, a locking screw rod, 11, a roller groove, 12, a rubber roller, 13, a side plate, 14, a protection plate, 15, a curtain cloth, 16 and a maintenance cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the automatic spraying machine for three-proofing paint of a PCBA board comprises a stepping conveyor 1 and an automatic spraying machine 2 arranged on the upper surface of the stepping conveyor 1, a fixing frame 3 is arranged on the left side of the upper surface of the stepping conveyor 1 positioned on the automatic spraying machine 2, a positioning mechanism 4 is arranged outside the fixing frame 3, the positioning mechanism 4 comprises a transmission motor 41 fixedly connected to the front surface of the fixing frame 3, the output end of the transmission motor 41 is fixedly connected with a bidirectional reciprocating screw rod 42, the outer circular surface of the bidirectional reciprocating screw rod 42 is in threaded connection with two nut seats 43, the lower surface of the nut seats 43 is provided with a positioning plate 44, a limiting slide rod 5 is fixedly connected between the outer surfaces of the fixing frame 3, the outer circular surface of the limiting slide rod 5 is in sliding connection with a slide block 6, the lower surface of the slide block 6 is fixedly connected with the upper surface of the nut seats 43, the lower surface of the nut seats 43 is fixedly connected with a base plate 7, the outer surface of the base plate 7 is provided with a jack 8, the outer surface of the positioning plate 44 is fixedly connected with a fixed inserted rod 9, the fixed inserted rod 9 penetrates through the inside of the jack 8, the upper surface of the base plate 7 extends to the inside of the jack 8 and is in threaded connection with a locking screw 10, the outer surface of the positioning plate 44 extends to the lower surface and is provided with a roller groove 11, the inner screw of the roller groove 11 is connected with a rubber roller 12, an operator only needs to place the PCBA plate on the stepping conveyor 1 approximately, a transmission motor 41 on the fixing frame 3 can drive a bidirectional reciprocating screw 42 to rotate, under the limiting action of the limiting slide rod 5 and the sliding block 6, two nut seats 43 can reciprocate to drive the positioning plate 44 to match the stepping conveyor 1 for centering positioning operation, after positioning, the PCBA plate is transmitted to a designated position of the automatic spraying machine 2 by the stepping conveyor 1 for spraying, if the size of the PCBA plate changes, the locking screw rod 10 can be unscrewed, the position that the spacing slide bar 5 of sliding adjustment is located jack 8 makes it can laminate PCBA board and laminate the location, screws up locking screw rod 10 again, fixes the position, and during the location, rubber gyro wheel 12 can reduce the friction when locating plate 44 laminating location at step conveyor 1 transmission, and the convenient dismantlement of design of gyro wheel groove 11 and screw rod is changed rubber gyro wheel 12.

Further, one end fixedly connected with of locating plate 44 extends the dog, and when locating plate 44 laminating location, step conveyor 1 continues to carry, and PCBA board right side laminating extends the dog, alright to spraying position location.

As shown in fig. 4, the front and rear surfaces of the stepper conveyor 1 extend to the upper portion and are provided with side plates 13, one ends of the side plates 13 are fixedly connected with protection plates 14, the lower surfaces of the protection plates 14 are provided with curtain cloth 15, the upper surfaces of the side plates 13 are rotatably connected with maintenance covers 16, and the rotary maintenance covers 16 facilitate maintenance of the internal positioning mechanism 4.

When the automatic PCBA plate three-proofing paint spraying machine is used, firstly, an operator only needs to place the PCBA plate on the stepping conveyor 1 approximately, a transmission motor 41 on a fixing frame 3 can drive a bidirectional reciprocating screw rod 42 to rotate, under the limiting effect of a limiting slide rod 5 and a sliding block 6, two nut seats 43 can reciprocate to drive a positioning plate 44 to match the stepping conveyor 1 for centering positioning operation, after positioning, the positioning plate 44 is transmitted to a designated position of the automatic spraying machine 2 by the stepping conveyor 1 for spraying, if the size of the PCBA plate changes, a locking screw rod 10 can be unscrewed, the position of the limiting slide rod 5 in a jack 8 is adjusted in a sliding manner, the PCBA plate can be attached to the PCBA plate for positioning, then the locking screw rod 10 is screwed down, the position is fixed, during positioning, a rubber roller 12 can reduce friction during attaching and positioning of the positioning plate 44, a roller groove 11 and the design of the screw rod are convenient to detach the rubber roller 12, curtain cloth 15 under the protection plate 14 is protected as far as possible, the automatic rotating cover 16 is not influenced on the transmission of the PCBA plate, and the automatic spraying machine is convenient for maintaining the three-proofing paint spraying mechanism.

Claims

1. The utility model provides a PCBA board three proofings lacquer automatic spraying machine, includes step conveyer (1) and installs in automatic spraying machine (2) of step conveyer (1) upper surface, a serial communication port, mount (3) are installed in the left side that step conveyer (1) upper surface is located automatic spraying machine (2), mount (3) outside is provided with positioning mechanism (4), positioning mechanism (4) are including fixed connection in driving motor (41) of mount (3) front surface, the output fixedly connected with two-way reciprocating screw (42) of driving motor (41), the outer disc threaded connection of two-way reciprocating screw (42) has two nut seats (43), the lower surface of nut seat (43) is provided with locating plate (44).

2. The automatic PCBA board three-proofing paint spraying machine according to claim 1, wherein a limiting slide rod (5) is fixedly connected between the outer surfaces of the fixing frames (3), a sliding block (6) is slidably connected to the outer round surface of the limiting slide rod (5), and the lower surface of the sliding block (6) is fixedly connected to the upper surface of the nut seat (43).

3. The automatic PCBA board three-proofing paint spraying machine according to claim 1, wherein a base plate (7) is fixedly connected to the lower surface of the nut seat (43), a jack (8) is formed in the outer surface of the base plate (7), a fixed inserting rod (9) is fixedly connected to the outer surface of the positioning plate (44), the fixed inserting rod (9) penetrates through the jack (8), and a locking screw (10) is connected to the upper surface of the base plate (7) extending to the internal thread of the jack (8).

4. The automatic PCBA board three-proofing paint spraying machine according to claim 1, wherein a roller groove (11) is formed in the outer surface of the positioning plate (44) extending to the lower surface, and a rubber roller (12) is connected to an inner screw of the roller groove (11).

5. The automatic PCBA board three-proofing paint spraying machine according to claim 1, wherein the front surface and the rear surface of the stepping conveyor (1) extend to the upper side to be provided with a side plate (13), one end of the side plate (13) is fixedly connected with a protection plate (14), the lower surface of the protection plate (14) is provided with a curtain cloth (15), and the upper surface of the side plate (13) is rotatably connected with a maintenance cover (16).