Component auxiliary reinforcing equipment of printed circuit board

Abstract

The invention relates to a component auxiliary reinforcing device of a printed circuit board, and relates to the technical field of printed circuit board processing, and the component auxiliary reinforcing device comprises a bottom plate, a transmission assembly, a bearing assembly, a visual identification assembly, a negative pressure adsorption assembly and a pressing assembly. By arranging the transmission assembly and the bearing assembly, the problem that the printed circuit board is prone to damage and displacement during manual carrying and positioning is effectively solved, specifically, the transmission groove in the bottom plate provides a moving track for the connecting plate, the connecting plate can drive the supporting plate on the connecting plate to stably move along a preset path, manual bare-handed carrying is completely replaced, and the working efficiency is improved. The printed circuit boards or components are prevented from being collided and damaged due to hand shaking, the printed circuit boards can be preliminarily limited through the circuit board containing grooves in the supporting plate, deviation in the conveying process is prevented, the rotating plates rotationally arranged outside the bolts at the four corners of the circuit board containing grooves in a sleeving mode can adjust the angle through rotation, and the edge limiting requirements of the printed circuit boards of different sizes can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printed circuit board processing, in particular to a component auxiliary reinforcing device for printed circuit boards. BACKGROUND

[0002] The printed circuit board is the skeleton and nerve network of electronic equipment, which is not only the physical carrier supporting electronic components, but also the key path connecting various components to realize electrical signal transmission and power supply. Almost all electronic equipment cannot do without printed circuit boards.

[0003] After the electronic components on the printed circuit board are fixed on the printed circuit board by soldering, in order to ensure the stability of the electronic components on the printed circuit board, the operator often manually presses the electronic components with a pressing rod to make the electronic components stable on the printed circuit board. However, the human force in pressing the electronic components on the printed circuit board is too large, which may cause damage to the electronic components or the printed circuit board. In order to solve the above problems, a component auxiliary reinforcing device for printed circuit boards is provided. SUMMARY

[0004] 1. Technical problems solved The purpose of the present application is to provide a component auxiliary reinforcing device for printed circuit boards to realize the function of automatically pressing electronic components on the printed circuit board, which helps to ensure the installation firmness of electronic components on the printed circuit board.

[0005] The component auxiliary reinforcing device for printed circuit boards provided by the present application adopts the following technical scheme: a component auxiliary reinforcing device for printed circuit boards, comprising a bottom plate, a transmission assembly, a bearing assembly, a visual recognition assembly, a negative pressure adsorption assembly and a pressing assembly, the transmission assembly comprises a transmission groove opened on the upper surface of the bottom plate, the inside of the transmission groove is provided with a movable connecting plate, the bearing assembly comprises a supporting plate installed on the upper surface of the connecting plate, the upper surface of the supporting plate is provided with evenly distributed circuit board placing grooves, the four corners of the circuit board placing groove are screw-connected with bolts, the outer surface of the bolt is rotatably provided with a rotating plate, and the bottom surface of each rotating plate is fixedly connected with a protective pad.

[0006] The negative pressure adsorption assembly includes a base fixedly connected to one side of the bottom plate, the inner wall of the base is provided with a rotatable multi-axis mechanical arm, the output end of the multi-axis mechanical arm is fixedly connected with a mounting plate, the bottom surface of the mounting plate is provided with an infrared sensor, the upper surface of the mounting plate is fixedly connected with a miniature vacuum pump, the output end of the miniature vacuum pump is communicated with a vacuum pipeline, the pipe section of the vacuum pipeline is provided with a vacuum electromagnetic valve, the bottom surface of the mounting plate is fixedly connected with a suction cup support, the bottom surface of the suction cup support is provided with a vacuum suction cup, the top end of the vacuum suction cup is communicated with the bottom end of the vacuum pipeline, the upper surface of the bottom plate is fixedly connected with two storage boxes, the inner part of the two storage boxes is respectively placed with a buffer sandbag and a rubber strip.

[0007] The pressing assembly includes a second mounting bracket fixedly connected to the upper surface of the bottom plate, the negative pressure adsorption assembly is located between the visual identification assembly and the pressing assembly, the upper surface of the second mounting bracket is fixedly connected with two air cylinders, the output end of each of the two air cylinders is fixedly connected with a pressing plate, the bottom surface of each pressing plate is fixedly connected with evenly distributed silica gel pressing heads.

[0008] By adopting the above technical scheme, the movable connecting plate inside the transmission groove in the transmission assembly can drive the bearing assembly to move along the preset path, replacing the manual operation of carrying the printed circuit board, avoiding the damage of the printed circuit board or components caused by hand shaking during manual movement, the circuit board placing groove opened on the supporting plate of the bearing assembly can preliminarily position the printed circuit board to prevent it from deviating during transmission, and the rotating plate rotatably sleeved outside the bolt threaded at the four corners of the circuit board placing groove can be adjusted in angle by rotating to adapt to the edge limiting of printed circuit boards of different sizes, and cooperating with the protective pad on the bottom surface of the rotating plate can avoid the damage of the substrate caused by the rigid contact between the rotating plate and the edge of the printed circuit board, solving the problem that the printed circuit board is easy to move and is easy to be scratched by tools when manually pressed. In the negative pressure adsorption assembly, the rotatable multi-axis mechanical arm supported by the base can flexibly adjust the position of the mounting plate, the infrared sensor on the bottom surface of the mounting plate can assist in judging the position of the buffer sandbag and rubber strip in the storage box to ensure accurate grabbing of the vacuum chuck, the miniature vacuum pump provides negative pressure for the vacuum chuck through the vacuum pipeline, and the vacuum electromagnetic valve can flexibly control the adsorption and release actions. Compared with manually taking the pressing block, the pressing block can be prevented from falling and damaging the printed circuit board or components, and the buffer sandbag and rubber strip itself has flexibility, which can replace the rigid pressing rod during manual pressing, reducing the hard impact on the components. The cylinder fixed by the second mounting frame of the pressing assembly can drive the lower pressing plate to stably descend, compared with the uncontrollable problem of manual pressing, the output force of the cylinder is more stable, and the silicone pressing head on the bottom surface of the lower pressing plate is soft, which can uniformly transmit the force to the buffer sandbag or rubber strip, and then act on the electronic components, avoiding the local excessive pressure from causing the packaging of the components to break. At the same time, the negative pressure adsorption assembly is located between the visual identification assembly and the pressing assembly, which can realize the continuous automatic operation of detection, pressing block placement and pressing, reducing the intervention of manual operation between processes, improving the operation efficiency, avoiding the secondary damage to the printed circuit board caused by manual tool switching, finally realizing the positioning, transmission, pressing block placement and pressing through automation, solving the core problem that the electronic components or printed circuit board are damaged due to excessive manual pressing force and rough operation, and ensuring the firmness of the component installation.

[0009] Preferably, the inner wall of the transmission groove is provided with a sliding groove on both sides, and a rotatable lead screw is installed on the inner wall of each sliding groove. By adopting the above technical scheme, the transmission groove provides a mounting base for the transmission assembly, the sliding groove limits the lead screw, and the threads of the lead screw and the connecting plate cooperate to drive the bearing assembly to move stably along the transmission groove, providing guidance for the transmission of the printed circuit board to ensure that the subsequent processing procedures can be connected in order.

[0010] Preferably, one side of the bottom plate is fixedly connected with a first servo motor, the output shaft end of the first servo motor is fixedly connected with the rotating shaft end of a corresponding lead screw, the same end of the two lead screws is fixedly connected with a synchronous wheel, and the outside of the bottom plate is provided with a synchronous belt, and the two synchronous wheels are drivingly connected through the synchronous belt. By adopting the above technical scheme, the first servo motor provides driving force for the corresponding lead screw, and the cooperation of the synchronous wheels and the synchronous belt can realize the synchronous rotation of the two lead screws, so as to avoid the deviation of the connecting plate during movement, ensure the stability of the transmission of the bearing assembly, and reduce the positional deviation of the printed circuit board caused by shaking.

[0011] Preferably, the upper surface of the connecting plate is provided with two symmetrical guide grooves, the inner wall of each guide groove is provided with a slidable limiting pin, the outer part of each limiting pin is sleeved with a spring, and the two ends of the spring are fixedly connected with the outer surface of the limiting pin and the outer surface of the connecting plate. By adopting the above technical scheme, the guide groove provides a sliding space for the limiting pin, and the spring can exert an elastic force on the limiting pin to keep the limiting pin in a stable state without external intervention, while providing a buffer during assembly or adjustment to avoid wear and tear of the components caused by rigid contact.

[0012] Preferably, the bottom surface of the supporting plate is fixedly connected with two symmetrical guide plates, the side surface of each guide plate away from each other is provided with a limiting groove, the guide plate is inserted into the inner wall of the guide groove, the limiting pin is inserted into the inner wall of the limiting groove, and one end of the limiting pin is fixedly connected with a push piece. By adopting the above technical scheme, the insertion and cooperation of the guide plate and the guide groove realize the preliminary positioning of the supporting plate and the connecting plate, the insertion of the limiting pin into the limiting groove can further fix the supporting plate, and the push piece facilitates the manual adjustment of the position of the limiting pin, so that the loading and unloading of the supporting plate is more convenient, thereby facilitating the quick replacement of the damaged supporting plate.

[0013] Preferably, one side surface of the supporting plate is embedded with a dark mark block, the upper surface of the bottom plate is fixedly connected with two reflective photoelectric sensors, the two reflective photoelectric sensors are adapted to the dark mark block, and the two reflective photoelectric sensors are located in front of the multi-axis mechanical arm and the second mounting bracket, respectively. By adopting the above technical scheme, the cooperation of the dark mark block and the reflective photoelectric sensor can detect the position of the supporting plate in real time, and when the supporting plate moves to the working area of the negative pressure adsorption assembly or the pressing assembly, the signal can be fed back in time to ensure that the negative pressure adsorption and pressing actions are accurately performed at the preset position, thereby improving the accuracy of the operation.

[0014] Preferably, the visual recognition assembly comprises a first mounting frame fixedly connected to the upper surface of the bottom plate, an upper surface of the first mounting frame is provided with an image processor, and a bottom surface of the first mounting frame is provided with an industrial detection camera electrically connected to the image processor. By adopting the above technical scheme, the first mounting frame provides mounting support for the image processor and the industrial detection camera, the industrial detection camera can capture the distribution of electronic components on the printed circuit board, the image processor analyzes image information to provide a basis for the position at which the negative pressure suction assembly grasps the buffer sand bag or the rubber strip, and the pressure block can accurately cover the electronic components.

[0015] Preferably, the bottom end of the multi-axis mechanical arm penetrates through the base and is fixedly connected with a worm gear, the outer surface of the base is fixedly connected with a fixed frame, the inner wall of the fixed frame is provided with a worm shaft engaged with the worm gear, and the outer surface of the worm shaft is fixedly connected with a second servo motor, and the output shaft end of the second servo motor is fixedly connected with the rotating shaft end of the worm shaft. By adopting the above technical scheme, the engagement transmission of the worm gear and the worm shaft has self-locking property, when the second servo motor drives the worm shaft to rotate, the multi-axis mechanical arm can be stably adjusted in angle, the fixed frame provides support for the worm shaft, improves the stability of the multi-axis mechanical arm during operation, and ensures that the vacuum suction cup can accurately grasp and place the buffer sand bag or the rubber strip.

[0016] Preferably, the outer surface of the bottom plate is fixedly connected with a general controller, the bottom surface of the bottom plate is fixedly connected with a bottom frame, and the electrical elements in the transmission assembly, the bearing assembly, the visual recognition assembly, the negative pressure suction assembly and the pressing assembly are electrically connected with the general controller. By adopting the above technical scheme, the general controller can centrally control the operation of the transmission assembly, the bearing assembly, the visual recognition assembly, the negative pressure suction assembly and the pressing assembly, realize the cooperative operation of the components, and reduce manual intervention; the bottom frame provides support for the bottom plate, and improves the overall placement stability of the equipment.

[0017] Preferably, the corners of the first mounting frame and the second mounting frame are respectively welded with an inclined support plate. By adopting the above technical scheme, the inclined support plates are respectively welded with the corners of the first mounting frame and the second mounting frame, which can enhance the structural strength of the mounting frame, reduce the deformation of the visual recognition assembly and the pressing assembly caused by vibration during operation, and ensure the detection and pressing accuracy.

[0018] 2. Beneficial effects In summary, the present application has at least one of the following beneficial technical effects: 1. The present application provides a component auxiliary reinforcement device of printed circuit board, by setting transmission assembly and bearing assembly, effectively solve the problem of easy to damage and easy to displace when manual carrying and positioning printed circuit board, in particular, the transmission groove on the bottom plate provides moving track for the connecting plate, the connecting plate can drive the upper supporting plate to move smoothly along the preset path, completely replace manual carrying, avoid hand shaking leading to printed circuit board or component knock damage, the circuit board placing groove on the supporting plate can form preliminary limiting for printed circuit board, prevent deviation in transmission, and the rotating sleeve of the bolt at four corners of the circuit board placing groove is provided with rotating plate, which can be adjusted by rotating, adapt to the edge limiting demand of printed circuit board of different sizes, cooperate with the protection pad on the bottom surface of the rotating plate, can completely avoid the rigid contact between the rotating plate and the edge of the printed circuit board, prevent scratching, the design provides stable and perfect processing object for subsequent reinforcement process, reduce the damage risk caused by manual operation from the source.

[0019] 2. The present application provides a component auxiliary reinforcement device of printed circuit board, by setting negative pressure adsorption assembly, can solve the problem that manual taking pressure block is easy to fall off and the rigidity of pressure block is easy to damage component, the base on one side of the bottom plate provides stable support for the multi-axis mechanical arm, the multi-axis mechanical arm can flexibly adjust the position of the mounting plate, ensure that the operation range covers the storage box and the supporting plate, the infrared sensor on the bottom surface of the mounting plate can accurately identify the position of the buffer sandbag and the rubber strip in the storage box, assist the positioning of the vacuum chuck, the miniature vacuum pump provides negative pressure for the vacuum chuck through the vacuum pipeline, and the vacuum electromagnetic valve can flexibly control the adsorption and release actions, and the flexible material of the buffer sandbag and the rubber strip can replace the rigid pressure rod during manual pressing, reduce the hard impact on the component, and the two pressure blocks can adapt to different types of components, further improve the applicability of the equipment.

[0020] 3. The present application provides a component auxiliary reinforcement device of printed circuit board, by setting pressing assembly and general controller, solves the problem that manual pressing force is uncontrollable and process is disconnected, the second mounting frame on the bottom plate fixes the air cylinder, the air cylinder can drive the lower pressing plate to descend stably, compared with the fluctuation of manual pressing force, the output force of the air cylinder is more stable, and the silica gel pressing head on the bottom surface of the lower pressing plate is soft, can uniformly transmit the force to the buffer sandbag or the rubber strip, and then act on the electronic component, avoid that local pressure is too large to cause the rupture of component packaging, the general controller realizes the linkage control of transmission of transmission assembly, visual detection of visual identification assembly, adsorption and release of negative pressure adsorption assembly, and pressing of pressing assembly, so that each process is carried out automatically and continuously, reduces the intervention of manual in process, improves the operation efficiency, avoids the secondary damage to printed circuit board caused by manual switching of tools, and finally guarantees the reinforcement quality and production stability of components. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall front view structure schematic diagram of the present application; Figure 2 is a schematic diagram of the overall top structure of the present application; Figure 3 is a schematic diagram of the overall top structure of the present application; Figure 2 is an enlarged schematic diagram of the structure at A in the present application; Figure 4 is a schematic diagram of the overall bottom structure of the present application; Figure 5 is a schematic diagram of the overall bottom structure of the present application; Figure 6 is a schematic diagram of the overall bottom structure of the present application; Figure 5 is an enlarged schematic diagram of the structure at B in the present application; Figure 7 is a schematic diagram of the overall bottom structure of the present application; Figure 8 is an enlarged schematic diagram of the structure at C in the present application. Figure 7

[0022] 1, bottom plate; 2, transmission assembly; 201, transmission groove; 202, sliding groove; 203, screw rod; 204, connecting plate; 205, first servo motor; 206, synchronous wheel; 207, synchronous belt; 208, guide groove; 209, limit pin; 210, spring; 211, push piece; 3, bearing assembly; 301, supporting plate; 302, guide plate; 303, limit groove; 304, circuit board placing groove; 305, bolt; 306, rotating plate; 307, protective pad; 308, dark marker block; 309, reflective photoelectric sensor; 4, visual recognition assembly; 401, first mounting bracket; 402, image processor; 403, industrial detection camera; 5, negative pressure adsorption assembly; 501, base; 502, multi-axis mechanical arm; 503, worm gear; 504, fixing bracket; 505, worm; 506, second servo motor; 507, mounting plate; 508, infrared sensor; 509, miniature vacuum pump; 510, vacuum pipeline; 511, vacuum electromagnetic valve; 512, suction cup support; 513, vacuum suction cup; 514, storage box; 515, buffer sandbag; 516, rubber strip; 6, pressing assembly; 601, second mounting bracket; 602, air cylinder; 603, pressing plate; 604, silica gel pressing head; 7, general controller; 8, base frame; 9, inclined support plate. DETAILED DESCRIPTION

[0023] The following will be described in detail in combination with the accompanying drawings: Figure 1 - the accompanying drawings Figure 8 , the present application will be further described in detail.

[0024] Example 1: Component assisted reinforcement equipment for printed circuit board, referring to Figure 1 , Figure 2 and Figure 3 ​, including the bottom plate 1, the transmission assembly 2, the bearing assembly 3, the visual identification assembly 4, the negative pressure adsorption assembly 5 and the pressing assembly 6, the outer surface of the bottom plate 1 is fixedly connected with the general controller 7, the bottom surface of the bottom plate 1 is fixedly connected with the chassis 8, the electrical elements inside the transmission assembly 2, the bearing assembly 3, the visual identification assembly 4, the negative pressure adsorption assembly 5 and the pressing assembly 6 are electrically connected with the general controller 7, the general controller 7 can centrally control the operation of the transmission assembly 2, the bearing assembly 3, the visual identification assembly 4, the negative pressure adsorption assembly 5 and the pressing assembly 6, realizes the cooperative work of each component, reduces manual intervention, the chassis 8 provides support for the bottom plate 1, improves the overall placing stability of the equipment, the transmission assembly 2 includes the transmission groove 201 opened on the upper surface of the bottom plate 1, the inside of the transmission groove 201 is mounted with the movable connecting plate 204, the bearing assembly 3 includes the supporting plate 301 installed on the upper surface of the connecting plate 204, the upper surface of the supporting plate 301 is provided with the uniformly distributed circuit board placing groove 304, the four corner places of the circuit board placing groove 304 are all threadedly connected with the bolts 305, the outer surface of the bolt 305 is rotatably sleeved with the rotating plate 306, the bottom surface of each rotating plate 306 is fixedly connected with the protective pad 307.

[0025] Referring to Figure 2 , Figure 4 , Figure 5 and Figure 6The negative pressure adsorption assembly 5 comprises a base 501 fixedly connected to one side of the bottom plate 1, the inner wall of the base 501 is provided with a rotatable multi-axis mechanical arm 502, the output end of the multi-axis mechanical arm 502 is fixedly connected with a mounting plate 507, the bottom surface of the mounting plate 507 is provided with an infrared sensor 508, the upper surface of the mounting plate 507 is fixedly connected with a micro vacuum pump 509, the output end of the micro vacuum pump 509 is communicated with a vacuum pipeline 510, the pipe section of the vacuum pipeline 510 is provided with a vacuum electromagnetic valve 511, the bottom surface of the mounting plate 507 is fixedly connected with a suction disc support 512, the bottom surface of the suction disc support 512 is provided with a vacuum suction disc 513, the top end of the vacuum suction disc 513 is communicated with the bottom end of the vacuum pipeline 510, the upper surface of the bottom plate 1 is fixedly connected with two storage boxes 514, the inner part of the two storage boxes 514 is respectively placed with a buffer sand bag 515 and a rubber strip 516, the bottom end of the multi-axis mechanical arm 502 penetrates through the base 501 and is fixedly connected with a worm gear 503, the outer surface of the base 501 is fixedly connected with a fixing frame 504, the inner wall of the fixing frame 504 is provided with a worm shaft 505 engaged with the worm gear 503, the outer surface of the worm shaft 505 is fixedly connected with a second servo motor 506, the output shaft end of the second servo motor 506 is fixedly connected with the rotating shaft end of the worm shaft 505, the engagement transmission of the worm gear 503 and the worm shaft 505 has self-locking property, when the second servo motor 506 drives the worm shaft 505 to rotate, the multi-axis mechanical arm 502 can be driven to stably adjust the angle, the fixing frame 504 provides support for the worm shaft 505, improves the stability of the multi-axis mechanical arm 502 during operation, and ensures that the vacuum suction disc 513 can accurately grasp and place the buffer sand bag 515 or the rubber strip 516.

[0026] Referring to Figure 1 , Figure 2 and Figure 4The visual recognition assembly 4 comprises a first mounting frame 401 fixedly connected to the upper surface of the bottom plate 1, the upper surface of the first mounting frame 401 is provided with an image processor 402, the bottom surface of the first mounting frame 401 is provided with an industrial detection camera 403 electrically connected with the image processor 402, the first mounting frame 401 provides mounting support for the image processor 402 and the industrial detection camera 403, the industrial detection camera 403 can capture the distribution of electronic components on the printed circuit board, and the image processor 402 analyzes the image information to provide a basis for the position of the negative pressure adsorption assembly 5 to grab the buffer sand bag 515 or the rubber strip 516, so as to ensure that the pressing block can accurately cover the electronic components, the pressing assembly 6 comprises a second mounting frame 601 fixedly connected to the upper surface of the bottom plate 1, the negative pressure adsorption assembly 5 is located between the visual recognition assembly 4 and the pressing assembly 6, the upper surface of the second mounting frame 601 is fixedly connected with two air cylinders 602, the output ends of the two air cylinders 602 are fixedly connected with lower pressing plates 603, the bottom surface of each lower pressing plate 603 is fixedly connected with evenly distributed silica gel pressing heads 604, the corners of the first mounting frame 401 and the second mounting frame 601 are all welded with inclined support plates 9, the inclined support plates 9 are respectively welded with the corners of the first mounting frame 401 and the second mounting frame 601, so as to enhance the structural strength of the mounting frames, reduce the deformation of the visual recognition assembly 4 and the pressing assembly 6 caused by vibration during operation, and ensure the detection and pressing accuracy.

[0027] Embodiment 2: Component auxiliary reinforcing equipment for printed circuit board, refer to Figure 4 、 Figure 5 and Figure 7The inner wall of the transmission groove 201 is provided with a sliding groove 202 on both sides, the inner wall of each sliding groove 202 is provided with a rotatable lead screw 203, the two sides of the connecting plate 204 are respectively threadedly connected to the outer surfaces of the two lead screws 203, the transmission groove 201 provides a mounting base for the transmission assembly 2, the sliding groove 202 limits the lead screw 203, the lead screw 203 is threadedly connected with the connecting plate 204, and the lead screw 203 can drive the bearing assembly 3 to stably move along the transmission groove 201, thereby providing guidance for the transmission of the printed circuit board, ensuring that subsequent processing procedures can be orderly connected, one side of the bottom plate 1 is fixedly connected with a first servo motor 205, the output shaft end of the first servo motor 205 is fixedly connected with the rotating shaft end of the corresponding lead screw 203, the same end of the two lead screws 203 is fixedly connected with a synchronous wheel 206, the bottom plate 1 is provided with a synchronous belt 207, the two synchronous wheels 206 are drivingly connected through the synchronous belt 207, the first servo motor 205 provides driving force for the corresponding lead screw 203, the synchronous wheel 206 and the synchronous belt 207 are matched to realize synchronous rotation of the two lead screws 203, avoid deviation of the connecting plate 204 during movement, ensure stability of the bearing assembly 3 during transmission, reduce positional deviation of the printed circuit board due to shaking, the upper surface of the connecting plate 204 is provided with two symmetrical guide grooves 208, the inner wall of each guide groove 208 is provided with a slidable limiting pin 209, the outer portion of each limiting pin 209 is provided with a spring 210, the two ends of the spring 210 are fixedly connected with the outer surface of the limiting pin 209 and the outer surface of the connecting plate 204, the guide groove 208 provides a sliding space for the limiting pin 209, the spring 210 can exert an elastic force on the limiting pin 209, so that the limiting pin 209 remains in a stable state without external intervention, and at the same time provides buffering during assembly or adjustment, avoiding abrasion of components caused by rigid contact.

[0028] Referring to Figure 2 , Figure 7 and Figure 8The bottom surface of the supporting plate 301 is fixedly connected with two symmetrical guide plates 302. The side face of each of the two guide plates 302 away from each other is provided with a limiting slot 303. The guide plate 302 is inserted into the inner wall of the guide slot 208, and the limiting pin 209 is inserted into the inner wall of the limiting slot 303. One end of the limiting pin 209 is fixedly connected with a push piece 211. The insertion cooperation of the guide plate 302 and the guide slot 208 realizes the preliminary positioning of the supporting plate 301 and the connecting plate 204. The insertion of the limiting pin 209 into the limiting slot 303 can further fix the supporting plate 301. The push piece 211 facilitates the manual adjustment of the position of the limiting pin 209, so that the loading and unloading of the supporting plate 301 is more convenient, thereby facilitating the quick replacement of the damaged supporting plate 301. One side face of the supporting plate 301 is inlaid with a dark mark block 308. The upper surface of the bottom plate 1 is fixedly connected with two reflective photoelectric sensors 309. The two reflective photoelectric sensors 309 are all adapted to the dark mark block 308. The two reflective photoelectric sensors 309 are respectively located in front of the multi-axis mechanical arm 502 and the second mounting frame 601. The cooperation of the dark mark block 308 and the reflective photoelectric sensor 309 can realize the real-time detection of the position of the supporting plate 301. When the supporting plate 301 moves to the working area of the negative pressure adsorption assembly 5 or the pressing assembly 6, the signal can be fed back in time, so as to ensure that the negative pressure adsorption and pressing actions are accurately performed at the preset position, and the accuracy of the work is improved.

[0029] The implementation principle of the embodiment of the application is as follows: first, the printed circuit board after tin soldering is placed in the circuit board placing groove 304 of the supporting plate 301, the rotating plate 306 outside the four corner bolts 305 of the circuit board placing groove 304 is rotated, the protective pad 307 on the bottom surface of the rotating plate 306 is attached to the edge of the printed circuit board to realize positioning, at the same time, the guide plate 302 on the bottom surface of the supporting plate 301 is inserted into the guide groove 208 of the connecting plate 204, the limiting pin 209 is inserted into the limiting groove 303 of the guide plate 302 under the action of the spring 210, the fixing of the supporting plate 301 and the connecting plate 204 is completed, after starting the equipment, the total controller 7 instructs the first servo motor 205 to operate, the first servo motor 205 drives the corresponding lead screw 203 to rotate, the two side lead screws 203 realize synchronous rotation through the synchronous wheel 206 and the synchronous belt 207, and then drive the connecting plate 204 to move along the transmission groove 201, in the moving process, the industrial detection camera 403 shoots the surface of the printed circuit board, the image processor 402 analyzes the distribution position of the components and transmits the data back to the total controller 7, when the dark marking block 308 on the side of the supporting plate 301 is aligned with the reflective photoelectric sensor 309 in front of the negative pressure adsorption assembly 5, the connecting plate 204 stops moving, then the negative pressure adsorption assembly 5 is started, the second servo motor 506 drives the worm 505 in the fixed frame 504 to rotate, the worm 505 drives the meshed worm gear 503 to rotate, so that the multi-axis mechanical arm 502 adjusts the angle, the infrared sensor 508 on the bottom surface of the mounting plate 507 recognizes the adaptive buffer sand bag 515 or rubber strip 516 in the storage box 514, the miniature vacuum pump 509 is started, the vacuum electromagnetic valve 511 is opened, the vacuum chuck 513 forms negative pressure through the vacuum pipeline 510 to grab the pressing block, the multi-axis mechanical arm 502 drives the buffer sand bag 515 or rubber strip 516 to move to the upper side of the printed circuit board component, the vacuum electromagnetic valve 511 is closed to release the buffer sand bag 515 or rubber strip 516, then the connecting plate 204 continues to move, when the dark marking block 308 is aligned with the reflective photoelectric sensor 309 in front of the pressing assembly 6, the movement is stopped, the air cylinder 602 drives the lower pressing plate 603 to move downward, the silica gel pressing head 604 on the bottom surface of the lower pressing plate 603 presses the buffer sand bag 515 or rubber strip 516, and stable pressure is applied to the component to realize reinforcement.

Claims

1. A component auxiliary reinforcing device for printed circuit board, comprising a base plate (1), a transmission assembly (2), a bearing assembly (3), a visual identification assembly (4), a negative pressure adsorption assembly (5) and a pressing assembly (6), characterized in that: The transmission assembly (2) includes a transmission groove (201) opened on the upper surface of the bottom plate (1), the inside of the transmission groove (201) is provided with a movable connecting plate (204), the bearing assembly (3) includes a supporting plate (301) installed on the upper surface of the connecting plate (204), the upper surface of the supporting plate (301) is provided with evenly distributed circuit board placing grooves (304), the four corners of the circuit board placing groove (304) are threadedly connected with bolts (305), the outer surface of the bolt (305) is rotatably sleeved with a rotating plate (306), and the bottom surface of each rotating plate (306) is fixedly connected with a protective pad (307). The negative pressure adsorption assembly (5) includes a base (501) fixedly connected to one side of the bottom plate (1), the inner wall of the base (501) is provided with a rotatable multi-axis mechanical arm (502), the output end of the multi-axis mechanical arm (502) is fixedly connected with a mounting plate (507), the bottom surface of the mounting plate (507) is provided with an infrared sensor (508), the upper surface of the mounting plate (507) is fixedly connected with a miniature vacuum pump (509), the output end of the miniature vacuum pump (509) is communicated with a vacuum pipeline (510), the pipe section of the vacuum pipeline (510) is provided with a vacuum electromagnetic valve (511), the bottom surface of the mounting plate (507) is fixedly connected with a suction disc support (512), the bottom surface of the suction disc support (512) is provided with a vacuum suction disc (513), the top end of the vacuum suction disc (513) is communicated with the bottom end of the vacuum pipeline (510), and the upper surface of the bottom plate (1) is fixedly connected with two storage boxes (514), and the inside of the two storage boxes (514) is respectively placed with a buffer sandbag (515) and a rubber strip (516). The pressing assembly (6) includes a second mounting frame (601) fixedly connected to the upper surface of the bottom plate (1), the negative pressure adsorption assembly (5) is located between the visual identification assembly (4) and the pressing assembly (6), the upper surface of the second mounting frame (601) is fixedly connected with two air cylinders (602), the output ends of the two air cylinders (602) are fixedly connected with a lower pressing plate (603), and the bottom surface of each lower pressing plate (603) is fixedly connected with evenly distributed silica gel pressing heads (604).

2. The printed circuit board component assist reinforcement apparatus of claim 1, wherein: The two sides of the inner wall of the transmission groove (201) are provided with sliding grooves (202), and the inner wall of each sliding groove (202) is provided with a rotatable lead screw (203).

3. The printed circuit board component assist reinforcement apparatus of claim 2, wherein: One side of the bottom plate (1) is fixedly connected with a first servo motor (205), the output shaft end of the first servo motor (205) is fixedly connected with the rotating shaft end of the corresponding lead screw (203), the same end of the two lead screws (203) is fixedly connected with a synchronous wheel (206), and the outside of the bottom plate (1) is provided with a synchronous belt (207), and the two synchronous wheels (206) are drivingly connected through the synchronous belt (207).

4. The printed circuit board component assist reinforcement apparatus of claim 3, wherein: The upper surface of the connecting plate (204) is provided with two symmetrical guide grooves (208), the inner wall of each guide groove (208) is provided with a slidable limiting pin (209), the outer part of each limiting pin (209) is provided with a spring (210), and the two ends of the spring (210) are fixedly connected with the outer surface of the limiting pin (209) and the outer surface of the connecting plate (204).

5. The printed circuit board component assist reinforcement apparatus of claim 4, wherein: The bottom surface of the supporting plate (301) is fixedly connected with two symmetrical guide plates (302), the side face of the two guide plates (302) away from each other is provided with a limiting groove (303), the guide plate (302) is inserted into the inner wall of the guide groove (208), the limiting pin (209) is inserted into the inner wall of the limiting groove (303), and one end of the limiting pin (209) is fixedly connected with a push piece (211).

6. The printed circuit board component assist reinforcement apparatus of claim 1, wherein: The side face of the supporting plate (301) is embedded with a dark mark block (308), the upper surface of the bottom plate (1) is fixedly connected with two reflective photoelectric sensors (309), the two reflective photoelectric sensors (309) are matched with the dark mark block (308), and the two reflective photoelectric sensors (309) are located in front of the multi-shaft mechanical arm (502) and the second mounting frame (601) respectively.

7. The printed circuit board component assist reinforcement apparatus of claim 1, wherein: The visual identification assembly (4) comprises a first mounting frame (401) fixedly connected to the upper surface of the bottom plate (1), an image processor (402) mounted on the upper surface of the first mounting frame (401), and an industrial detection camera (403) electrically connected to the image processor (402) and mounted on the bottom surface of the first mounting frame (401).

8. The printed circuit board component assist reinforcement apparatus of claim 1, wherein: The bottom end of the multi-shaft mechanical arm (502) penetrates through the base (501) and is fixedly connected with a worm gear (503), the outer surface of the base (501) is fixedly connected with a fixing frame (504), the inner wall of the fixing frame (504) is mounted with a worm shaft (505) engaged with the worm gear (503), the outer surface of the worm shaft (505) is fixedly connected with a second servo motor (506), and the output shaft end of the second servo motor (506) is fixedly connected with the rotating shaft end of the worm shaft (505).

9. The printed circuit board component assist reinforcement apparatus of claim 1, wherein: The outer surface of the bottom plate (1) is fixedly connected with a general controller (7), the bottom surface of the bottom plate (1) is fixedly connected with a bottom frame (8), and the electrical elements in the transmission assembly (2), the bearing assembly (3), the visual identification assembly (4), the negative pressure adsorption assembly (5) and the pressing assembly (6) are electrically connected with the general controller (7).

10. The printed circuit board component assist reinforcement apparatus of claim 7, wherein: The corners of the first mounting frame (401) and the second mounting frame (601) are welded with inclined support plates (9).

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