OSP surface treatment device applied to circuit board

Abstract

The utility model discloses an OSP surface treatment device applied to a circuit board, which relates to the technical field of circuit board OSP surface treatment equipment, and comprises a support rod fixedly mounted at the lower end of an upper support, and a bottom support fixedly mounted at the lower end of the support rod, according to the device, by installing the filter screen, the backflow OSP organic protective film coating glue solution can be filtered, impurities, flushed from the upper end of a circuit board, in the OSP organic protective film coating glue solution are removed, it is guaranteed that the OSP organic protective film coating glue solution is clean, practicability of the device is enhanced, pollution of the OSP organic protective film coating glue solution is avoided, and the service life of the device is prolonged. The rotating net rack is installed to be matched with the peripheral supporting net rack to drive the circuit board body to rotate, redundant OSP organic protective film coating glue liquid outside the circuit board body is thrown away, the redundant OSP organic protective film coating glue liquid on the circuit board body is rapidly removed, and the practicability of the device is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board OSP surface treatment equipment technical field, concretely is a kind of OSP surface treatment device applied to circuit board. BACKGROUND

[0002] ‌OSP surface treatment is a kind of surface coating technology commonly used in circuit board manufacturing process, by forming a layer of organic compound protective layer on the metal surface of circuit board, prevent the oxidation and corrosion of metal, while improving the solderability of circuit board, OSP is organic solderability preservative or copper protection, circuit board OSP surface treatment usually needs to be coated to circuit board, OSP organic protective film coating device on the market to circuit board usually adopts the form of vibration to remove the excess material outside PCB, finally circuit board is dried.

[0003] However, the existing circuit board is removed when the excess glue liquid is vibrated, since the circuit board is subjected to high-frequency vibration, the circuit board can be rapidly deformed, which can easily cause the circuit board to be injured, and the quality of the circuit board is affected;Therefore, it does not meet the existing demand, and for this, we propose a kind of OSP surface treatment device applied to circuit board. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of OSP surface treatment device applied to circuit board, to solve the problem that rivet outside is often attached some dust sundries, lead to rivet can not be accurately installed into the interior of workpiece, affect stable problem.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of OSP surface treatment device applied to circuit board, including upper support:

[0006] Supporting rod is fixedly installed in the lower end of the upper support, the lower end of the supporting rod is fixedly installed with bottom support, the upper end in the bottom support is fixedly installed with filter screen, the inside of the upper support is rotatably installed with rotating net frame by bearing, the lower end in the rotating net frame is rotatably installed with middle plate by bearing, the lower end between the middle plate and upper support is fixedly installed with connecting rod, the outside of the rotating net frame is fixedly installed with peripheral support net frame, the lower end of the middle plate is fixedly installed with conveying support, the inside of the conveying support is fixedly installed with conveying pump, the lower end of the middle plate is fixedly installed with backflow pipeline;

[0007] The upper end of the middle fixed cylinder is fixedly installed with a partition plate inside, a spray hole is arranged below the drying air hole outside the middle fixed cylinder, the upper end of the upper support is rotatably installed with an upper top cover through a connecting shaft, the upper end of the upper top cover is fixedly installed with a drying cylinder, the upper end of the drying cylinder is fixedly installed with a filtering screen, the lower end of the filtering screen is fixedly installed with a blowing fan, and a heating plate is arranged below the blowing fan.

[0008] Preferably, the lower end of the middle plate is installed with a mounting support, and the mounting support is welded to the middle plate.

[0009] Preferably, the lower end of the mounting support is installed with a rotating gear shaft, and the rotating gear shaft is rotatably connected to the mounting support through a bearing.

[0010] Preferably, the upper end of the mounting support is fixedly installed with a driving motor, and the driving motor is connected to the rotating gear shaft through a shaft coupling.

[0011] Preferably, the front end face of the upper support is installed with a control box, and the control box is fixedly connected to the upper support.

[0012] Preferably, the outside of the middle fixed cylinder is rotatably installed with a rotating fitting part through a bearing, and the inside of the rotating mesh frame and the peripheral support mesh frame is provided with a circuit board body, and the circuit board body is connected to the rotating mesh frame, the peripheral support mesh frame and the rotating fitting part through a clamping groove.

[0013] Preferably, a spray pipe is arranged between the output end of the conveying pump and the middle plate, and a suction pipe is arranged between the input end of the conveying pump and the filtering screen.

[0014] Preferably, the heating plate is fixedly connected to the drying cylinder, and the inside of the spray hole is provided with a spray head.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The filtering screen can filter the backflow OSP organic protective film coating glue, remove the impurities washed from the circuit board, ensure the cleanliness of the OSP organic protective film coating glue, enhance the practicability of the device, avoid the pollution of the OSP organic protective film coating glue, and install the rotating mesh frame to drive the circuit board body to rotate together with the peripheral support mesh frame, so that the excess OSP organic protective film coating glue on the outside of the circuit board body is thrown away, the excess OSP organic protective film coating glue on the circuit board body is quickly removed, and the practicability of the device is enhanced.

[0017] 2, the utility model discloses a set of spraying hole can utilize the shower head OSP organic protection film coating glue liquid spraying on the circuit board main body upper end, make the circuit board main body be OSP organic protection film coating glue liquid even coating, install the air blowing fan and make it cooperate with the heating plate can blow hot air on the circuit board main body upper end, make the circuit board dry, enhance the practicality of device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is three-dimensional view of the OSP surface treatment device for circuit board of the utility model;

[0019] Figure 2 It is internal structure schematic view of the OSP surface treatment device for circuit board of the utility model;

[0020] Figure 3 It is internal structure schematic view of the drying cylinder of the utility model;

[0021] Figure 4 It is the connection relation diagram of the rotary gear shaft and the rotary net frame of the utility model;

[0022] Figure 5 It is the connection relation diagram of the conveying support and the middle fixed cylinder and the conveying pump of the utility model;

[0023] Figure 6 It is the connection relation diagram of the rotary net frame and the peripheral support net frame of the utility model;

[0024] Figure 7 It is the connection relation diagram of the connecting rod and the upper support and the middle plate of the utility model;

[0025] Figure 8 It is internal structure schematic view of the middle fixed cylinder of the utility model.

[0026] In the drawing: 1, upper support, 2, support rod, 3, bottom support, 4, drying cylinder, 5, impurity screen, 6, conveying support, 7, conveying pump, 8, control box, 9, filter screen, 10, air blowing fan, 11, heating plate, 12, middle fixed cylinder, 13, drying air blowing hole, 14, rotary net frame, 15, peripheral support net frame, 16, circuit board main body, 17, connecting rod, 18, backflow pipeline, 19, middle plate, 20, rotary gear shaft, 21, mounting support, 22, driving motor, 23, partition plate, 24, spraying hole, 25, upper top cover, 26, rotary cooperation piece. DETAILED DESCRIPTION

[0027] 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, not all the embodiments.

[0028] Please refer to Figures 1-8 The utility model provides an embodiment: an OSP surface treatment device applied to a circuit board, including upper support 1:

[0029] Supporting rod 2, its fixed mounting is installed in the lower extreme of upper support 1, and the lower extreme of supporting rod 2 is fixedly installed with bottom support 3, and the upper extreme in the inside of bottom support 3 is fixedly installed with filter screen 9, installs filter screen 9 and can filter the OSP organic protective film coating glue solution that returns, removes the impurity that OSP organic protective film coating glue solution inside washes down from the upper end of circuit board, guarantees the clean of OSP organic protective film coating glue solution, enhances the practicality of device, avoids OSP organic protective film coating glue solution pollution, and the inside of upper support 1 is rotatably installed with rotary screen frame 14 through bearing, installs rotary screen frame 14 and makes it cooperate with peripheral support screen frame 15 can drive circuit board main body 16 to rotate, makes the excess OSP organic protective film coating glue solution of circuit board main body 16 fly, makes circuit board main body 16 quickly remove excess OSP organic protective film coating glue solution, enhances the practicality of device, and the lower extreme in the inside of rotary screen frame 14 is rotatably installed with middle plate 19 through bearing, and the lower extreme between middle plate 19 and upper support 1 is fixedly installed with connecting rod 17, and the outside of rotary screen frame 14 is fixedly installed with peripheral support screen frame 15, and the lower extreme of middle plate 19 is fixedly installed with conveying support 6, and the inside of conveying support 6 is fixedly installed with conveying pump 7, and the lower extreme of middle plate 19 is fixedly installed with return pipeline 18;

[0030] Middle fixed cylinder 12, its fixed mounting is installed in the upper extreme of middle plate 19, and the upper extreme of middle fixed cylinder 12 outside is provided with drying blow hole 13, and the upper extreme in the inside of middle fixed cylinder 12 is fixedly installed with partition plate 23, and the lower of drying blow hole 13 outside middle fixed cylinder 12 is provided with spray hole 24, and the inside of spray hole 24 is provided with spray head, and setting spray hole 24 can utilize spray head and make OSP organic protective film coating glue solution spray on the upper end of circuit board main body 16, so that circuit board main body 16 is evenly coated with OSP organic protective film coating glue solution, and the upper extreme of upper support 1 is rotatably installed with upper top cover 25 through connecting shaft, and the upper extreme of upper top cover 25 is fixedly installed with drying cylinder 4, and the upper extreme of drying cylinder 4 is fixedly installed with filter screen 5, and the lower extreme of filter screen 5 is fixedly installed with blow fan 10, and installing blow fan 10 makes it cooperate with heating plate 11 and can blow hot air on the upper end of circuit board main body 16, so that the circuit board is dried, and the practicality of device is enhanced, and the lower of blow fan 10 is provided with heating plate 11.

[0031] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 And Figure 8The lower end of the middle plate 19 is provided with a mounting bracket 21, which is welded with the middle plate 19. The lower end of the mounting bracket 21 is provided with a rotating gear shaft 20, which can drive the rotating mesh frame 14 to rotate, ensuring the completeness of the device functionality. The rotating gear shaft 20 is rotatably connected with the mounting bracket 21 through a bearing. The upper end of the mounting bracket 21 is fixedly provided with a driving motor 22, which is connected with the rotating gear shaft 20 through a shaft coupling. The front end surface of the upper bracket 1 is provided with a control box 8, which is fixedly connected with the upper bracket 1. The outer part of the middle fixed cylinder 12 is rotatably provided with a rotating matching part 26. The interior of the rotating mesh frame 14 and the peripheral support mesh frame 15 is provided with a circuit board body 16, which is connected with the rotating mesh frame 14, the peripheral support mesh frame 15 and the rotating matching part 26 through a clamping groove. The output end of the conveying pump 7 is provided with a spraying pipeline between the middle plate 19. The input end of the conveying pump 7 is provided with a suction pipeline between the filter screen 9. The heating plate 11 is fixedly connected with the drying cylinder 4.

[0032] Working principle: in use, the worker rotates the upper cover 25, clamps the circuit board body 16 in the rotating grid 14, the peripheral support grid 15 and the rotating fitting 26, then the worker closes the upper cover 25, then the conveying pump 7 passes the OSP organic protective film coating glue inside the bottom support 3 into the middle fixed cylinder 12, then the OSP organic protective film coating glue is sprayed on the outside of the circuit board body 16 through the spray hole 24 and the spray head, at this time the driving motor 22 drives the rotating gear shaft 20 to rotate slowly, that is, the rotating gear shaft 20 drives the rotating grid 14 to rotate, so that the circuit board body 16 slowly rotates in the upper support 1, and then the circuit board body 16 can be uniformly coated with the OSP organic protective film coating glue, after the coating of the circuit board body 16 is finished, the driving motor 22 drives the rotating gear shaft 20 to rotate quickly, that is, the rotating gear shaft 20 drives the rotating grid 14 to rotate quickly, so that the circuit board body 16 rotates quickly in the upper support 1, so that the excess OSP organic protective film coating glue on the outside of the circuit board body 16 is thrown away under the action of centrifugal force, then the OSP organic protective film coating glue is discharged to the upper end of the filter screen 9 through the return pipeline 18, the filter screen 9 filters the returned OSP organic protective film coating glue to remove the impurities inside the OSP organic protective film coating glue, finally the air blowing fan 10 blows hot air in cooperation with the heating plate 11, the hot air is discharged into the device through the drying air blowing hole 13, so that the circuit board body 16 is dried, the installation of the filter screen 9 can filter the returned OSP organic protective film coating glue to remove the impurities washed down from the upper end of the circuit board, ensure the cleanliness of the OSP organic protective film coating glue, enhance the practicality of the device, avoid the pollution of the OSP organic protective film coating glue, the installation of the rotating grid 14 can drive the circuit board body 16 to rotate in cooperation with the peripheral support grid 15, so that the excess OSP organic protective film coating glue on the outside of the circuit board body 16 is thrown away, so that the circuit board body 16 quickly removes the excess OSP organic protective film coating glue, enhances the practicality of the device, the installation of the spray hole 24 can use the spray head to spray the OSP organic protective film coating glue on the upper end of the circuit board body 16, so that the circuit board body 16 is uniformly coated with the OSP organic protective film coating glue, the installation of the air blowing fan 10 can blow hot air on the upper end of the circuit board body 16 in cooperation with the heating plate 11, so that the circuit board is dried, enhances the practicality of the device.

[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An OSP surface treatment device applied to a circuit board, comprising an upper support (1), characterized in that: a support rod (2) is fixedly installed at the lower end of the upper support (1), a bottom support (3) is fixedly installed at the lower end of the support rod (2), a filter screen (9) is fixedly installed at the upper end inside the bottom support (3), a rotating screen frame (14) is rotatably installed inside the upper support (1) through a bearing, a middle plate (19) is rotatably installed at the lower end inside the rotating screen frame (14) through a bearing, a connecting rod (17) is fixedly installed at the lower end between the middle plate (19) and the upper support (1), a peripheral support screen frame (15) is fixedly installed outside the rotating screen frame (14), a conveying support (6) is fixedly installed at the lower end of the middle plate (19), a conveying pump (7) is fixedly installed inside the conveying support (6), and a backflow pipeline (18) is fixedly installed at the lower end of the middle plate (19). A middle fixed cylinder (12) is fixedly installed at the upper end of the middle plate (19), a drying air blowing hole (13) is arranged at the upper end outside the middle fixed cylinder (12), a partition plate (23) is fixedly installed at the upper end inside the middle fixed cylinder (12), a spraying hole (24) is arranged below the drying air blowing hole (13) outside the middle fixed cylinder (12), an upper top cover (25) is rotatably installed at the upper end of the upper support (1) through a connecting shaft, a drying cylinder (4) is fixedly installed at the upper end of the upper top cover (25), a filtering screen (5) is fixedly installed at the upper end of the drying cylinder (4), an air blowing fan (10) is fixedly installed at the lower end of the filtering screen (5), and a heating plate (11) is arranged below the air blowing fan (10). A mounting support (21) is installed at the lower end of the middle plate (19), and the mounting support (21) is welded to the middle plate (19).

2. The OSP surface treatment device for a wiring board according to claim 1, characterized by: A rotating gear shaft (20) is installed at the lower end of the mounting support (21), and the rotating gear shaft (20) is rotatably connected to the mounting support (21) through a bearing.

3. The OSP surface treatment device for a wiring board according to claim 2, wherein: A driving motor (22) is fixedly installed at the upper end of the mounting support (21), and the driving motor (22) is connected to the rotating gear shaft (20) through a shaft coupling.

4. The OSP surface treatment device for a wiring board according to claim 3, wherein: A control box (8) is installed at the front end face of the upper support (1), and the control box (8) is fixedly connected to the upper support (1).

5. The OSP surface treatment device for a wiring board according to claim 1, wherein: A rotating matching part (26) is rotatably installed outside the middle fixed cylinder (12), and a circuit board body (16) is arranged inside the rotating screen frame (14) and the peripheral support screen frame (15), and the circuit board body (16) is connected to the rotating screen frame (14), the peripheral support screen frame (15), and the rotating matching part (26) through a clamping groove.

6. The OSP surface treatment device for a wiring board according to claim 1, wherein: A spraying pipeline is arranged between the output end of the conveying pump (7) and the middle plate (19), and a material suction pipeline is arranged between the input end of the conveying pump (7) and the filter screen (9).

7. The OSP surface treatment device for a wiring board according to claim 1, wherein: The heating plate (11) is fixedly connected to the drying cylinder (4), and a spraying head is arranged inside the spraying hole (24).

8. The OSP surface treatment device for a wiring board according to claim 1, wherein: ​

Images