PCB (printed circuit board) dispensing machine

Abstract

The utility model relates to the technical field of circuit board production, in particular to a PCB (Printed Circuit Board) glue dispenser which is used for fixing a PCB, ensuring the glue dispensing accuracy, cleaning dust adhered to the PCB and ensuring the adhesiveness of glue. Comprising a workbench, the rear portion of the top end of the workbench is fixedly connected with a vertical plate, the top end of the vertical plate is fixedly provided with a top plate, the left end of the bottom of the top plate is provided with a glue dispenser body through a fine adjustment assembly, the top end of the workbench is rotationally provided with a conveying assembly, and the upper portion of the conveying assembly is provided with a fixing assembly for fixing a PCB; the conveying assembly comprises a conveying disc, a limiting rotating ring, a rotating shaft, a transmission and a conveying motor, and the cleaning assembly is installed on the right portion of the bottom end of the top plate.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production, in particular to a PCB board glue dispensing machine. Background Art

[0002] The glue dispensing machine is also called a glue coating machine, a glue dripping machine, a glue spraying machine, a glue filling machine, etc. It is a machine that specifically controls the fluid and can be used to coat the surface of the product with colloid. In the production process of PCB circuit boards, a glue dispensing machine is needed for glue dispensing. The prior art publication number CN213886919U proposes a PCB automatic glue dispensing machine, including a carrier shell, a material conveying belt is installed on the inner wall of the bottom of the carrier shell, and a lifting cylinder is symmetrically arranged on the top of the carrier shell. A first positioning screw is fixedly connected to the top of the lifting cylinder, and a second positioning screw is arranged between the two first positioning screws. The outer wall of the second positioning screw is slidably connected to a glue dispensing wire sleeve, and the bottom of the glue dispensing wire sleeve is fixedly connected to a connecting injection plate, and the bottom of the connecting injection plate is fixedly connected to a connecting frame, and the other end of the connecting frame is fixedly connected to a glue transfer device, and the bottom of the glue transfer device is fixedly connected to the glue dispensing device. However, the material is not firmly fixed, which reduces the accuracy of the machine's glue dispensing and the efficiency of the machine's work. At the same time, some dust may adhere to the surface of the circuit board during the production process, and the dust remains on the circuit board, which may affect the adhesion of the glue. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a PCB board glue dispensing machine which can fix the PCB board, ensure the accuracy of glue dispensing, clean the dust adhering to the PCB board, and ensure the adhesion of the glue.

[0004] The utility model discloses a PCB board glue dispensing machine, comprising a workbench, a vertical plate fixedly connected to the rear top of the workbench, a top plate fixedly installed on the top of the vertical plate, a glue dispensing machine body installed on the bottom left end through a fine-tuning component, a conveying component rotatably installed on the top of the workbench, a fixing component installed on the upper part of the conveying component to fix the PCB board, and a cleaning component installed on the right bottom end of the top plate; the PCB board is placed on the conveying component, the PCB board is fixed by the fixing component to ensure the accuracy of glue dispensing, the PCB board is driven to be conveyed by the conveying component, dust adhered to the PCB board is cleaned when passing under the cleaning component to ensure the adhesion of the glue, the position of the glue dispensing machine body can be adjusted by the fine-tuning component, the glue dispensing accuracy is improved, and the work efficiency is improved.

[0005] Preferably, the fine-tuning assembly includes a fixed seat, a screw rod, a servo motor and a fine-tuning slider. The fixed seat is fixedly installed on the left bottom end of the top plate. A limiting slide groove is provided at the bottom of the fixed seat. The screw rod is installed in the limiting slide groove when rotating. The input end of the screw rod is connected to the output end of the servo motor. The fine-tuning slider is screwed on the outer wall of the screw rod, and the fine-tuning slider is slidably installed in the limiting groove. The bottom end of the fine-tuning slider is connected to the top of the dispensing machine body. Starting the servo motor to drive the screw rod to rotate can drive the fine-tuning slider to move in the limiting slide groove, thereby adjusting the position of the dispensing machine body, facilitating use and improving dispensing accuracy.

[0006] Preferably, the conveying assembly includes a conveying disc, a limit swivel, a rotating shaft, a transmission and a conveying motor. An annular rotating groove is opened at the top of the workbench, the limit swivel is rotatably installed in the annular rotating groove, the bottom end of the conveying disc is fixedly connected to the top of the limit swivel, an installation groove is opened in the middle of the workbench, the transmission is fixed in the installation groove, the output end of the transmission is connected with a rotating shaft, the rotating shaft rotates through the top of the workbench and is fixedly connected to the bottom end of the conveying disc, and the input end of the transmission is connected to the output end of the conveying motor; the conveying motor is started to drive the rotating shaft to rotate through the transmission, and the rotating shaft drives the conveying disc to rotate at the top of the workbench to convey and load the PCB board, thereby improving the continuity during work and improving the work efficiency.

[0007] Preferably, the fixing assembly includes multiple fixing frames, multiple groups of sliding columns, multiple telescopic blocks, multiple fixing frames, multiple handles and multiple springs. The multiple fixing frames are axially and evenly fixedly installed on the top of the conveying disk. Rectangular grooves are opened on the left and right sides of the fixing frames. The sliding columns are fixedly installed in the rectangular grooves. The telescopic blocks are slidably installed on the outer walls of the sliding columns. A fixing frame is fixedly connected between the two telescopic blocks. The spring is sleeved on the outer wall of the sliding column. The bottom end of the spring is connected to the top of the telescopic block, and the top of the spring is connected to the top of the rectangular groove. A handle is fixedly installed on the outer wall of the telescopic block. Pulling the handle drives the telescopic block to slide on the sliding column, compressing the spring, so that the fixed frame is lifted and moved upward. After the PCB board is placed in the middle of the fixing frame, the handle is released, and the spring returns to its original position, pushing the telescopic block to slide on the sliding column, so that the fixed frame presses and fixes the PCB board firmly, thereby improving the accuracy of glue dispensing.

[0008] Preferably, the cleaning component includes a fan, an air pipe, an electric telescopic rod, an air cylinder and an air hood, the fan is fixedly installed at the middle of the bottom end of the top plate, the output end of the fan is fixedly connected to the air pipe, the middle part of the air pipe is set as a telescopic tube, the electric telescopic rod is fixedly installed at the right bottom end of the top plate, the bottom end of the electric telescopic rod is fixedly installed with the air cylinder, the bottom of the air cylinder is connected with the air hood, the middle part of the air hood is set with a nozzle, and the output end of the air pipe is connected with the inside of the air cylinder; after the PCB board moves under the air hood, the fan is started to output high-pressure gas to the air pipe, the gas is input into the air cylinder, and is sprayed toward the PCB board through the nozzle in the middle of the air hood, and the electric telescopic rod is started to drive the air hood to move downward, thereby reducing the distance between the air hood and the PCB board, cleaning the dust adhering to the PCB board, and ensuring the adhesion of the glue.

[0009] Preferably, the bottom end of the workbench is fixedly connected to a support box, heat dissipation holes are opened on the left and right sides of the support box, the bottom end of the support box is fixedly connected to a base plate, and support pads are fixedly connected at the four corners of the bottom end of the base plate; the equipment is supported by the support box and the base plate to ensure the stability of the equipment during use, and at the same time, the bottom equipment of the workbench is protected, and the friction between the base plate and the ground is increased by the support pads to prevent sliding.

[0010] Preferably, a support frame is fixedly connected to the front end of the vertical plate and the left and right sides of the bottom end of the top plate, a collection drawer is inserted at the front end of the support box, and a partition is provided in the middle of the collection drawer; the support frame can increase the connection strength between the top plate and the vertical plate, improve the stability of the equipment, and the collection drawer can separate the unprocessed and processed PCB boards, which is convenient for subsequent centralized processing and convenient use.

[0011] Compared with the prior art, the utility model has the following beneficial effects: placing the PCB board on the conveying component, fixing the PCB board by the fixing component to ensure the accuracy of glue dispensing, conveying the PCB board by the conveying component, cleaning the dust adhered to the PCB board when passing under the cleaning component to ensure the adhesion of the glue, and adjusting the position of the glue dispensing machine body by the fine-tuning component to improve the accuracy of glue dispensing and the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 3 It is a left-side structural schematic diagram of the utility model;

[0015] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 This utility model Figure 4 A schematic diagram of the enlarged structure of the middle part A;

[0017] Markings in the attached figure: 1. workbench; 2. vertical plate; 3. top plate; 4. dispensing machine body; 5. fixed seat; 6. screw rod; 7. servo motor; 8. fine-tuning slider; 9. support frame; 10. conveying plate; 11. limit swivel; 12. rotating shaft; 13. transmission; 14. conveying motor; 15. support box; 16. bottom plate; 17. support pad; 18. fan; 19. air supply pipe; 20. electric telescopic rod; 21. air cylinder; 22. wind hood; 23. fixed frame; 24. sliding column; 25. telescopic block; 26. fixed frame; 27. handle; 28. spring; 29. ​​collection drawer. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] like Figures 1 to 5As shown, the top rear part of the workbench 1 is fixedly connected with a vertical plate 2, the top of the vertical plate 2 is fixedly installed with a top plate 3, the fixed seat 5 is fixedly installed on the left bottom end of the top plate 3, the bottom of the fixed seat 5 is provided with a limited sliding groove, the screw rod 6 is installed in the limited sliding groove when rotating, the input end of the screw rod 6 is connected to the output end of the servo motor 7, the fine-tuning slider 8 is screwed on the outer wall of the screw rod 6, and the fine-tuning slider 8 is slidably installed in the limited groove, the bottom end of the fine-tuning slider 8 is connected to the top of the dispensing machine body 4, the top of the workbench 1 is provided with an annular rotating groove, and the limiting swivel 11 is rotatably installed in the annular rotating groove The bottom end of the conveying disc 10 is fixedly connected to the top end of the limiting swivel 11, a mounting groove is provided in the middle of the workbench 1, a transmission 13 is fixed in the mounting groove, an output end of the transmission 13 is connected to a rotating shaft 12, the rotating shaft 12 rotates through the top end of the workbench 1 and is fixedly connected to the bottom end of the conveying disc 10, an input end of the transmission 13 is connected to an output end of a conveying motor 14, a plurality of fixing frames 23 are axially and evenly fixedly installed on the top end of the conveying disc 10, rectangular grooves are provided on the left and right sides of the fixing frames 23, a slide column 24 is fixedly installed in the rectangular groove, and a telescopic block 25 is slidably installed on the slide column 2 4, and a fixing frame 26 is fixedly connected between the two telescopic blocks 25, a spring 28 is sleeved on the outer wall of the sliding column 24, the bottom end of the spring 28 is connected to the top of the telescopic block 25, the top of the spring 28 is connected to the top of the rectangular groove, a handle 27 is fixedly installed on the outer wall of the telescopic block 25, the fan 18 is fixedly installed in the middle of the bottom end of the top plate 3, the output end of the fan 18 is fixedly connected to the air supply pipe 19, the middle part of the air supply pipe 19 is set as a telescopic pipe, the electric telescopic rod 20 is fixedly installed at the right part of the bottom end of the top plate 3, and the bottom end of the electric telescopic rod 20 is fixedly installed with a wind tube 21 The bottom of the air duct 21 is connected with an air hood 22, a nozzle is arranged in the middle of the air hood 22, the output end of the air delivery pipe 19 is connected with the inside of the air duct 21, the bottom end of the workbench 1 is fixedly connected with a support box 15, the left and right sides of the support box 15 are provided with heat dissipation holes, the bottom end of the support box 15 is fixedly connected with a bottom plate 16, the four corners of the bottom end of the bottom plate 16 are fixedly connected with support pads 17, the front end of the vertical plate 2 and the left and right sides of the bottom end of the top plate 3 are fixedly connected with a support frame 9, the front end of the support box 15 is inserted with a collection drawer 29, and the middle of the collection drawer 29 is provided with a partition;

[0020] The equipment is supported by the support box 15 and the bottom plate 16 to ensure the stability of the equipment when in use, and the bottom equipment of the workbench 1 is protected at the same time. The friction between the bottom plate 16 and the ground is increased by the support pad 17 to prevent sliding. The connection strength between the top plate 3 and the vertical plate 2 can be increased by the support frame 9 to improve the stability of the equipment. The unprocessed and processed PCB boards can be placed separately by the collection drawer 29, which is convenient for subsequent centralized processing and convenient to use. The handle 27 is pulled to drive the telescopic block 25 to slide on the slide column 24, and the spring 28 is compressed to lift the fixed frame 26 upward. After the PCB board is placed in the middle of the fixed frame 23, the handle 27 is released, and the spring 28 returns to its original position, pushing the telescopic block 25 to slide on the slide column 24, so that the fixed frame 26 presses and fixes the PCB board firmly. The accuracy of glue dispensing is improved. The conveying motor 14 is started to drive the rotating shaft 12 to rotate through the transmission 13. The rotating shaft 12 drives the conveying disc 10 to rotate at the top of the workbench 1 to transport and load the PCB board, thereby improving the continuity during work and the work efficiency. After the PCB board moves to the bottom of the wind cover 22, the fan 18 is started to output high-pressure gas to the gas pipe 19. The gas is input into the air cylinder 21 and sprayed to the PCB board through the nozzle in the middle of the wind cover 22. The electric telescopic rod 20 is started to drive the wind cover 22 to move downward to reduce the distance between the wind cover 22 and the PCB board, and the dust adhered to the PCB board is cleaned to ensure the adhesion of the glue. The servo motor 7 is started to drive the screw rod 6 to rotate, which can drive the fine-tuning slider 8 to move in the limit slide groove, thereby adjusting the position of the glue dispensing machine body 4, facilitating use, and improving the glue dispensing accuracy.

[0021] like Figures 1 to 5 As shown, a PCB board dispensing machine of the utility model, when working, pull the handle 27 to drive the telescopic block 25 to slide on the slide column 24, compress the spring 28, lift the fixed frame 26 upward, put the PCB board in the middle of the fixed frame 23, release the handle 27, the spring 28 returns to its original position, pushes the telescopic block 25 to slide on the slide column 24, so that the fixed frame 26 presses and fixes the PCB board, starts the conveying motor 14 to drive the rotating shaft 12 to rotate through the transmission 13, and the rotating shaft 12 drives the conveying disc 10 to rotate at the top of the workbench 1 to convey and load the PCB board. After the PCB board moves to the bottom of the wind cover 22, start The fan 18 outputs high-pressure gas to the gas pipe 19, and the gas is input into the wind tube 21 and sprayed toward the PCB board through the nozzle in the middle of the wind cover 22. The electric telescopic rod 20 is started to drive the wind cover 22 to move downward, reduce the distance between the wind cover 22 and the PCB board, and clean the dust adhering to the PCB board. The PCB board is moved to the bottom of the dispensing machine body 4 for dispensing. The servo motor 7 is started to drive the screw rod 6 to rotate, which can drive the fine-tuning slider 8 to move in the limiting slide groove, thereby adjusting the position of the dispensing machine body 4 for easy use. The unprocessed and processed PCB boards can be placed separately through the collection drawer 29, which is convenient for subsequent centralized processing.

[0022] The dispensing machine body 4, servo motor 7, fan 18, transmission 13 and conveying motor 14 of the PCB board dispensing machine of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A PCB board dispensing machine, characterized in that: The invention comprises a workbench (1), wherein the rear portion of the top end of the workbench (1) is fixedly connected to a vertical plate (2), the top end of the vertical plate (2) is fixedly mounted with a top plate (3), the bottom left end of the top plate (3) is mounted on a dispensing machine body (4) via a fine-tuning component, a conveying component is rotatably mounted on the top end of the workbench (1), a fixing component is mounted on the top of the conveying component to fix a PCB board, and a cleaning component is mounted on the right portion of the bottom end of the top plate (3).

2. A PCB board dispensing machine as claimed in claim 1, characterized in that: The fine-tuning assembly comprises a fixed seat (5), a screw rod (6), a servo motor (7) and a fine-tuning slider (8). The fixed seat (5) is fixedly mounted on the left bottom end of the top plate (3). A limit slide groove is provided at the bottom of the fixed seat (5). The screw rod (6) is installed in the limit slide groove when rotating. The input end of the screw rod (6) is connected to the output end of the servo motor (7). The fine-tuning slider (8) is screwed on the outer wall of the screw rod (6), and the fine-tuning slider (8) is slidably mounted in the limit groove. The bottom end of the fine-tuning slider (8) is connected to the top of the dispensing machine body (4).

3. A PCB board dispensing machine as claimed in claim 1, characterized in that: The conveying assembly comprises a conveying disc (10), a limiting swivel (11), a rotating shaft (12), a transmission (13) and a conveying motor (14); the top of the workbench (1) is provided with an annular rotating groove, the limiting swivel (11) is rotatably mounted in the annular rotating groove, the bottom end of the conveying disc (10) is fixedly connected to the top of the limiting swivel (11), the middle of the workbench (1) is provided with a mounting groove, the transmission (13) is fixed in the mounting groove, the output end of the transmission (13) is connected to the rotating shaft (12), the rotating shaft (12) rotatably passes through the top of the workbench (1) and is fixedly connected to the bottom end of the conveying disc (10), and the input end of the transmission (13) is connected to the output end of the conveying motor (14).

4. A PCB board dispensing machine as claimed in claim 3, characterized in that: The fixing assembly comprises a plurality of fixing frames (23), a plurality of groups of sliding columns (24), a plurality of telescopic blocks (25), a plurality of fixing frames (26), a plurality of handles (27) and a plurality of springs (28). The plurality of fixing frames (23) are axially and evenly fixedly mounted on the top of the conveying plate (10). A rectangular groove is provided on the left and right sides of the fixing frames (23). The sliding columns (24) are fixedly mounted in the rectangular groove. The telescopic blocks (25) are slidably mounted on the outer wall of the sliding columns (24). A fixing frame (26) is fixedly connected between the two telescopic blocks (25). The spring (28) is sleeved on the outer wall of the sliding columns (24). The bottom end of the spring (28) is connected to the top of the telescopic block (25). The top of the spring (28) is connected to the top of the rectangular groove. The handle (27) is fixedly mounted on the outer wall of the telescopic block (25).

5. A PCB board dispensing machine as claimed in claim 1, characterized in that: The cleaning assembly comprises a fan (18), an air supply pipe (19), an electric telescopic rod (20), a wind tube (21) and a wind cover (22); the fan (18) is fixedly mounted at the middle of the bottom end of the top plate (3); the output end of the fan (18) is fixedly connected to the air supply pipe (19); the middle part of the air supply pipe (19) is arranged as a telescopic pipe; the electric telescopic rod (20) is fixedly mounted at the right part of the bottom end of the top plate (3); the wind tube (21) is fixedly mounted at the bottom end of the electric telescopic rod (20); the bottom of the wind tube (21) is connected to the wind cover (22); a nozzle is arranged in the middle part of the wind cover (22); the output end of the air supply pipe (19) is communicated with the inside of the wind tube (21).

6. A PCB board dispensing machine as claimed in claim 1, characterized in that: The bottom end of the workbench (1) is fixedly connected to a support box (15), and heat dissipation holes are provided on the left and right sides of the support box (15). The bottom end of the support box (15) is fixedly connected to a bottom plate (16), and support pads (17) are fixedly connected at the four corners of the bottom end of the bottom plate (16).

7. A PCB board dispensing machine as claimed in claim 6, characterized in that: A support frame (9) is fixedly connected to the front end of the vertical plate (2) and the left and right sides of the bottom end of the top plate (3); a collection drawer (29) is inserted into the front end of the support box (15); and a partition is provided in the middle of the collection drawer (29).

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