Five-hole waterproof socket circuit board welding device

Abstract

The utility model relates to the technical field of circuit board welding, in particular to a five-hole waterproof socket circuit board welding device, which not only can accelerate air flow around a welding position and prevent a welding gun from burning through a circuit board due to overheating during long-time welding, but also can timely coat waterproof glue on the surface of the circuit board and accelerate drying of the waterproof glue, so that the service life of the circuit board is prolonged. Welding, coating and drying are carried out at the same time, so that the working efficiency is improved; comprising a conveying mechanism; the device further comprises a lifting mechanism, a welding mechanism, a coating mechanism and a drying mechanism, the lifting mechanism is installed on the conveying mechanism so that the position of the circuit board can be conveniently adjusted, the welding mechanism is installed on the conveying mechanism and used for welding the circuit board, and the coating mechanism is installed on the conveying mechanism and used for coating the circuit board with waterproof glue. And the drying mechanism is mounted on the conveying mechanism and is used for drying the waterproof glue.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board welding, in particular to a five-hole waterproof socket circuit board welding device. Background Art

[0002] The five-hole waterproof socket circuit board is usually composed of a socket body, a circuit board, a waterproof layer, and wiring terminals. The socket body is the outer shell of the socket, and the circuit board is installed inside the outer shell to realize the electrical connection of the socket.

[0003] Existing socket circuit board welding devices, such as the socket circuit board welding and welding detection device disclosed in the utility model patent with application number 202222543069.1, have a main structure including a frame, which is provided with a first welding station, a second welding station and a welding detection station. The frame is also provided with a transfer mechanism, and the first welding station and the second welding station are respectively provided with automatic welding devices, and the welding detection station is provided with a welding detection mechanism. The automatic welding devices all include a tin feeding mechanism, a welding gun and a welding gun driving mechanism; when in use, a 2D contour measuring instrument measures the contour data of the cross-section of the socket welding part; the 2D contour measuring instrument is driven to move by a translation electric cylinder to measure the cross-sections of multiple positions of the socket welding part; then the multiple 2D contour data after measurement are combined into a 3D contour image of the socket welding part; then the 3D contour image is displayed on the display screen and compared with the contour image of the standard part to determine whether the solder joint is full.

[0004] However, most of the existing welding is carried out on the assembly line. Long-term continuous welding can easily cause the welding gun to overheat and burn through the circuit board, causing damage to the circuit board. In addition, the existing five-hole waterproof socket circuit board welding and waterproof glue coating are mostly carried out separately, with repeated loading and unloading, resulting in low work efficiency. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a five-hole waterproof socket circuit board welding device that can not only accelerate the air flow around the welding position to prevent the welding gun from overheating and burning through the circuit board due to long-term welding, but also can apply waterproof glue to the surface of the circuit board in time to accelerate the drying of the waterproof glue. Welding, coating and drying are carried out simultaneously, thereby improving work efficiency.

[0006] The utility model discloses a five-hole waterproof socket circuit board welding device, which includes a conveying mechanism; a lifting mechanism, a welding mechanism, a coating mechanism and a drying mechanism. The lifting mechanism is installed on the conveying mechanism to facilitate adjustment of the circuit board position, the welding mechanism is installed on the conveying mechanism and welds the circuit board, the coating mechanism is installed on the conveying mechanism and coats waterproof glue on the circuit board, and the drying mechanism is installed on the conveying mechanism and dries the waterproof glue; the conveying mechanism drives the circuit board to move forward, and when the circuit board moves to and stops just below the welding mechanism, the lifting mechanism lifts the circuit board upward and drives the circuit board to move left and right, which is convenient for the welding mechanism to weld it, and after the welding is completed, the lifting mechanism drives the circuit board to reset, and the conveying mechanism drives the circuit board to continue to move forward one working position, the coating mechanism coats the waterproof glue on the surface of the circuit board, and then the conveying mechanism continues to drive the circuit board to move forward one working position, and the drying mechanism extracts the heat generated by the welding mechanism during welding and transmits the heat to the surface of the waterproof glue, which can prevent the welding gun from overheating and burning through the circuit board due to long-term welding, and can also accelerate the drying of the waterproof glue.

[0007] Preferably, the conveying mechanism includes a workbench, a stepper motor, a first reducer, two groups of conveying rollers, four groups of turntables, two groups of conveyor belts and multiple groups of placement racks. The bottom end of the workbench is connected to the ground, the stepper motor is installed on the workbench, the first reducer is installed on the workbench, the two groups of conveying rollers are rotatably installed on the workbench, each group of conveying rollers is installed with two groups of turntables, the conveyor belts are tensioned and installed between the two groups of turntables located on different groups of conveying rollers, and the multiple groups of placement racks are installed between the two groups of conveyor belts, and the placement racks are provided with slots; the staff places the circuit board in the slot of the placement rack and starts the stepper motor. The stepper motor drives the conveying rollers connected to it to rotate through the first reducer, the conveying rollers drive the two groups of turntables to rotate, the two groups of turntables drive the two groups of conveyor belts to move, and the two groups of conveyor belts drive the placement racks and the circuit board to move, and the circuit board stops when it moves to just below the welding mechanism.

[0008] Preferably, the lifting mechanism includes a servo motor, a second reducer, a lead screw, a movable frame, two groups of first electric cylinders and a lifting frame. The servo motor is installed on the workbench, the second reducer is installed on the workbench, a limit slot is opened on the workbench, the lead screw is rotatably installed in the limit slot of the workbench, the movable frame is slidably installed in the limit slot of the workbench, the bottom ends of the two groups of first electric cylinders are connected to the top end of the movable frame, and the bottom end of the lifting frame is connected to the top end of the two groups of first electric cylinders; start the two groups of first electric cylinders, the two groups of first electric cylinders push the lifting frame upward, and the lifting frame drives the circuit board to be lifted up to a specified height. According to the welding point programming, start the servo motor, the servo motor drives the lead screw to rotate through the second reducer, the lead screw drives the movable frame to move, and the movable frame drives the circuit board to move left and right to facilitate welding by the welding mechanism.

[0009] Preferably, the welding mechanism includes a dust cover, two sets of insulation plates, a second electric cylinder, a slider and a welding gun. A slide groove and ventilation holes are provided on the workbench. The dust cover is installed at the ventilation holes of the workbench. The two sets of insulation plates are installed on the workbench. The second electric cylinder is installed in the slide groove of the workbench. The slider is slidably installed in the slide groove of the workbench. The top end of the welding gun is connected to the bottom end of the slider. The welding gun welds the circuit board. When the welding position needs to be adjusted, the second electric cylinder is started to push the slider and the welding gun back and forth. The dust cover is set to prevent external dust from entering and affecting the welding quality. The two sets of insulation plates are set to prevent heat loss.

[0010] Preferably, the coating mechanism includes a glue box, a glue delivery hose, a hanger and a coating roller. The bottom end of the glue box is connected to the top of the workbench, the top end of the glue delivery hose is connected to the inside of the bottom end of the glue box, the hanger is installed on the workbench, and the coating roller is rotatably installed on the hanger; the waterproof glue in the glue box drips onto the coating roller through the glue delivery hose, and the coating roller is driven to rotate during the forward movement of the circuit board, and the coating roller coats the waterproof glue on the surface of the circuit board.

[0011] Preferably, the drying mechanism includes an air pump, an exhaust pipe, an air supply pipe, a heating sleeve and three groups of nozzles. The bottom end of the air pump is connected to the top of the workbench, the exhaust pipe is installed on the air pump and communicates with the space between the two groups of insulation boards, the air supply pipe is installed on the air pump, the heating sleeve is installed on the workbench and communicates with the inside of the air supply pipe, and the three groups of nozzles are all installed on the heating sleeve and communicate with the inside of the heating sleeve; start the air pump, and the air pump draws air through the exhaust pipe to accelerate the air flow at the welding position. The air flow takes away the high temperature generated by the long-term welding of the welding gun, and then the hot air is transported to the three groups of nozzles through the air supply pipe and the heating sleeve. The heating sleeve heats the air, and the three groups of nozzles spray hot air to accelerate the solidification of the waterproof glue.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the conveying mechanism drives the circuit board forward, and when the circuit board moves to the bottom of the welding mechanism and stops, the lifting mechanism lifts the circuit board upward and drives the circuit board to move left and right, making it convenient for the welding mechanism to weld it. After welding is completed, the lifting mechanism drives the circuit board to reset, and the conveying mechanism drives the circuit board to continue to move forward one working position. The coating mechanism coats the waterproof glue on the surface of the circuit board, and then the conveying mechanism continues to drive the circuit board forward one working position. The drying mechanism extracts the heat generated by the welding mechanism during welding and transfers the heat to the surface of the waterproof glue, which can not only prevent the welding gun from overheating and burning through the circuit board due to long-term welding, but also accelerate the drying of the waterproof glue. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the cross-section axonometric structure of the utility model;

[0014] Figure 2 This is a partially enlarged axonometric structural diagram of the transmission mechanism of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-section axonometric structure of the lifting mechanism of the utility model;

[0016] Figure 4 This is a partially enlarged sectional axonometric structural diagram of the welding mechanism of the present invention;

[0017] Figure 5 It is a partially enlarged sectional axonometric structural diagram of the coating mechanism and the drying mechanism of the utility model.

[0018] Markings in the accompanying drawings: 01, conveying mechanism; 11, workbench; 12, stepping motor; 13, first reducer; 14, conveying roller; 15, turntable; 16, conveyor belt; 17, placing rack; 02, lifting mechanism; 21, servo motor; 22, second reducer; 23, lead screw; 24, moving rack; 25, first electric cylinder; 26, lifting rack; 03, welding mechanism; 31, dust cover; 32, insulation board; 33, second electric cylinder; 34, slider; 35, welding gun; 04, coating mechanism; 41, glue box; 42, glue delivery hose; 43, hanger; 44, coating roller; 05, drying mechanism; 51, air pump; 52, exhaust pipe; 53, gas delivery pipe; 54, heating sleeve; 55, nozzle. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0020] Example 1

[0021] The utility model discloses a five-hole waterproof socket circuit board welding device, comprising a conveying mechanism 01; a lifting mechanism 02, a welding mechanism 03, a coating mechanism 04 and a drying mechanism 05, wherein the lifting mechanism 02 is mounted on the conveying mechanism 01 to facilitate adjustment of the circuit board position, the welding mechanism 03 is mounted on the conveying mechanism 01 and welds the circuit board, the coating mechanism 04 is mounted on the conveying mechanism 01 and coats the waterproof glue on the circuit board, and the drying mechanism 05 is mounted on the conveying mechanism 01 and dries the waterproof glue; the conveying mechanism 01 comprises a workbench 11, a stepping motor 12, a first reducer 13, two sets of transmission mechanisms, and a plurality of stepping motors. Feed rollers 14, four groups of turntables 15, two groups of conveyor belts 16 and multiple groups of placement racks 17, the bottom end of the workbench 11 is connected to the ground, the stepper motor 12 is installed on the workbench 11, the first reducer 13 is installed on the workbench 11, the two groups of conveyor rollers 14 are rotatably installed on the workbench 11, each group of conveyor rollers 14 is installed with two groups of turntables 15, the conveyor belt 16 is tensioned and installed between the two groups of turntables 15 located on different groups of conveyor rollers 14, multiple groups of placement racks 17 are installed between the two groups of conveyor belts 16, and a slot is opened on the placement rack 17; the lifting mechanism 02 includes a servo motor 21, a second reducer 22, a screw 23, a moving frame 24, two groups of first electric cylinders 25 and a lifting frame 26, the servo motor 21 is installed on the workbench 11, the second reducer 22 is installed on the workbench 11, a limit slot is opened on the workbench 11, the lead screw 23 is rotatably installed in the limit slot of the workbench 11, the moving frame 24 is slidably installed in the limit slot of the workbench 11, the bottom ends of the two groups of first electric cylinders 25 are connected to the top ends of the moving frame 24, and the bottom ends of the lifting frame 26 are connected to the top ends of the two groups of first electric cylinders 25; the welding mechanism 03 includes a dust cover 31, two groups of insulation boards 32, a second electric cylinder 33, a slider 34 and a welding gun 35, and the workbench 11 is provided with a limit slot. There are chutes and ventilation holes, the dust cover 31 is installed at the ventilation holes of the workbench 11, the two sets of insulation boards 32 are installed on the workbench 11, the second electric cylinder 33 is installed in the chute of the workbench 11, the slider 34 is slidably installed in the chute of the workbench 11, and the top end of the welding gun 35 is connected to the bottom end of the slider 34; the coating mechanism 04 includes a glue box 41, a glue delivery hose 42, a hanger 43 and a coating roller 44, the bottom end of the glue box 41 is connected to the top end of the workbench 11, the top end of the glue delivery hose 42 is connected to the inside of the bottom end of the glue box 41, the hanger 43 is installed on the workbench 11, and the coating roller 44 is rotatably installed on the hanger 43;When it is working, first, the staff places the circuit board in the slot of the placement rack 17 and starts the stepper motor 12. The stepper motor 12 drives the connected conveyor roller 14 to rotate through the first reducer 13. The conveyor roller 14 drives the two sets of turntables 15 to rotate. The two sets of turntables 15 drive the two sets of conveyor belts 16 to move. The two sets of conveyor belts 16 drive the placement rack 17 and the circuit board to move. When the circuit board moves to the bottom of the welding mechanism 03, it stops and starts the two sets of first electric cylinders 25. The two sets of first electric cylinders 25 push the lifting rack 26 upward. The lifting rack 26 drives the circuit board to move upward to the specified height. According to the welding point programming, the servo motor 21 is started. The servo motor 21 drives the screw 23 to rotate through the second reducer 22. The screw The movable frame 23 drives the movable frame 24 to move. The movable frame 24 moves the circuit board left and right to facilitate welding by the welding mechanism 03. The welding gun 35 welds the circuit board. When the welding position needs to be adjusted, the second electric cylinder 33 is activated to push the slider 34 and the welding gun 35 back and forth. A dust cover 31 is provided to prevent external dust from entering and affecting the welding quality. Two sets of insulation plates 32 are provided to prevent heat loss. After welding is completed, the lifting mechanism 02 resets the circuit board. The conveying mechanism 01 drives the circuit board forward one working position. The waterproof glue in the glue box 41 drips onto the coating roller 44 through the glue delivery hose 42. As the circuit board moves forward, the coating roller 44 rotates, and the coating roller 44 applies the waterproof glue to the surface of the circuit board.

[0022] Example 2

[0023] like Figures 1 to 5As shown, the utility model is a five-hole waterproof socket circuit board welding device, based on Example 1; the drying mechanism 05 includes an air pump 51, an air extraction pipe 52, an air supply pipe 53, a heating sleeve 54 and three groups of nozzles 55. The bottom end of the air pump 51 is connected to the top of the workbench 11, the air extraction pipe 52 is installed on the air pump 51 and communicates with the space between the two groups of insulation boards 32, the air supply pipe 53 is installed on the air pump 51, the heating sleeve 54 is installed on the workbench 11 and communicates with the inside of the air supply pipe 53, and the three groups of nozzles 55 are all installed on the heating sleeve 54 and communicate with the inside of the heating sleeve 54; when it is working, first The staff places the circuit board in the slot of the placement rack 17 and starts the stepper motor 12. The stepper motor 12 drives the connected conveyor roller 14 to rotate through the first reducer 13. The conveyor roller 14 drives the two sets of turntables 15 to rotate. The two sets of turntables 15 drive the two sets of conveyor belts 16 to move. The two sets of conveyor belts 16 drive the placement rack 17 and the circuit board to move. When the circuit board moves to the bottom of the welding mechanism 03, it stops and starts the two sets of first electric cylinders 25. The two sets of first electric cylinders 25 push the lifting rack 26 upward. The lifting rack 26 drives the circuit board to the specified height. According to the welding point programming, the servo motor 21 is started. The servo motor 21 drives the lead screw 23 to rotate through the second reducer 22, and the lead screw 23 drives the movable frame 24 to move. The movable frame 24 drives the circuit board to move left and right to facilitate the welding mechanism 03 to weld it, and the welding gun 35 welds the circuit board. When the welding position needs to be adjusted, the second electric cylinder 33 is started to push the slider 34 and the welding gun 35 to move back and forth. The dust cover 31 is set to prevent external dust from entering and affecting the welding quality. The two sets of insulation plates 32 are set to prevent heat loss. After the welding is completed, the lifting mechanism 02 drives the circuit board to reset, and the conveying mechanism 01 drives the circuit board to continue to move forward one working position. The plastic box The waterproof glue in 41 drips onto the coating roller 44 through the glue delivery pipe 42. The coating roller 44 is driven to rotate during the forward movement of the circuit board. The coating roller 44 coats the waterproof glue on the surface of the circuit board. The conveying mechanism 01 continues to drive the circuit board forward one working position, and the air pump 51 is started. The air pump 51 draws air through the exhaust pipe 52 to accelerate the air flow at the welding position. The air flow takes away the high temperature generated by the long-term welding of the welding gun, and then the hot air is delivered to the three groups of nozzles 55 through the air delivery pipe 53 and the heating sleeve 54. The heating sleeve 54 heats the air, and the three groups of nozzles 55 spray hot air to accelerate the solidification of the waterproof glue.

[0024] The stepper motor 12, the first reducer 13, the servo motor 21, the second reducer 22 and the air pump 51 of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manuals, without the need for creative work by technicians in this field.

[0025] 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 principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A five-hole waterproof socket circuit board welding device, comprising a transmission mechanism (01); characterized in that: The invention also includes a lifting mechanism (02), a welding mechanism (03), a coating mechanism (04) and a drying mechanism (05). The lifting mechanism (02) is installed on the conveying mechanism (01) to facilitate the adjustment of the position of the circuit board. The welding mechanism (03) is installed on the conveying mechanism (01) and welds the circuit board. The coating mechanism (04) is installed on the conveying mechanism (01) and coats the waterproof glue on the circuit board. The drying mechanism (05) is installed on the conveying mechanism (01) and dries the waterproof glue.

2. A five-hole waterproof socket circuit board welding device as claimed in claim 1, characterized in that: The transmission mechanism (01) comprises a workbench (11), a stepper motor (12), a first speed reducer (13), two groups of transmission rollers (14), four groups of turntables (15), two groups of conveyor belts (16) and multiple groups of placement racks (17). The bottom end of the workbench (11) is connected to the ground. The stepper motor (12) is installed on the workbench (11). The first speed reducer (13) is installed on the workbench (11). The two groups of transmission rollers (14) are both rotatably installed on the workbench (11). Two groups of turntables (15) are installed on each group of transmission rollers (14). The transmission belt (16) is tensioned and installed between the two groups of turntables (15) located on different groups of transmission rollers (14). The multiple groups of placement racks (17) are all installed between the two groups of transmission belts (16). The placement racks (17) are provided with card slots.

3. A five-hole waterproof socket circuit board welding device as claimed in claim 2, characterized in that: The lifting mechanism (02) comprises a servo motor (21), a second speed reducer (22), a lead screw (23), a movable frame (24), two groups of first electric cylinders (25) and a lifting frame (26). The servo motor (21) is mounted on a workbench (11), the second speed reducer (22) is mounted on the workbench (11), a limiting groove is provided on the workbench (11), the lead screw (23) is rotatably mounted in the limiting groove of the workbench (11), the movable frame (24) is slidably mounted in the limiting groove of the workbench (11), the bottom ends of the two groups of first electric cylinders (25) are connected to the top end of the movable frame (24), and the bottom end of the lifting frame (26) is connected to the top end of the two groups of first electric cylinders (25).

4. A five-hole waterproof socket circuit board welding device as claimed in claim 2, characterized in that: The welding mechanism (03) includes a dust cover (31), two groups of insulation plates (32), a second electric cylinder (33), a slider (34) and a welding gun (35). A slide groove and a ventilation hole are provided on the workbench (11). The dust cover (31) is installed at the ventilation hole of the workbench (11). The two groups of insulation plates (32) are installed on the workbench (11). The second electric cylinder (33) is installed in the slide groove of the workbench (11). The slider (34) is slidably installed in the slide groove of the workbench (11). The top end of the welding gun (35) is connected to the bottom end of the slider (34).

5. A five-hole waterproof socket circuit board welding device as claimed in claim 2, characterized in that: The coating mechanism (04) includes a glue box (41), a glue delivery pipe (42), a hanger (43) and a coating roller (44). The bottom end of the glue box (41) is connected to the top end of the workbench (11), the top end of the glue delivery pipe (42) is internally connected to the bottom end of the glue box (41), the hanger (43) is installed on the workbench (11), and the coating roller (44) is rotatably installed on the hanger (43).

6. A five-hole waterproof socket circuit board welding device as claimed in claim 4, characterized in that: The drying mechanism (05) comprises an air pump (51), an air extraction pipe (52), an air supply pipe (53), a heating sleeve (54) and three groups of nozzles (55). The bottom end of the air pump (51) is connected to the top end of the workbench (11). The air extraction pipe (52) is mounted on the air pump (51) and communicates with the space between the two groups of insulation plates (32). The air supply pipe (53) is mounted on the air pump (51). The heating sleeve (54) is mounted on the workbench (11) and communicates with the inside of the air extraction pipe (53). The three groups of nozzles (55) are all mounted on the heating sleeve (54) and communicate with the inside of the heating sleeve (54).

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