SMT printing solder paste exposure time monitoring alarm device
The SMT printing solder paste exposure time monitoring and alarm device addresses human error in solder paste management by using a camera, PLC controller, and broadcasting mechanism to automate monitoring and alerting, ensuring timely recycling and enhancing product quality.
Patent Information
- Application Number
- CN202323572624.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-27
AI Technical Summary
Solder paste exposure time is typically controlled by manpower, leading to human errors that result in overdue recycling or scrapping, which can cause product quality issues.
A SMT printing solder paste exposure time monitoring and alarm device utilizing a camera, PLC controller, timer, and broadcasting mechanism to automatically monitor and issue voice alarms when the exposure time exceeds the set limit, with adjustable camera angles for precise monitoring.
Ensures timely recycling of solder paste by preventing its use beyond expiration, thereby improving product quality through automated monitoring and alert systems.
Smart Images

Figure CN222189975U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of SMT printing solder paste exposure monitoring, in particular to an SMT printing solder paste exposure time monitoring and alarming device. Background Art
[0002] In SMT manufacturing, solder paste management is extremely important. The quality of solder paste determines the production quality of the product. During the use of solder paste, the exposure time of solder paste needs to be strictly controlled.
[0003] The prior art has the following problems:
[0004] In current production, the exposure time of solder paste is usually controlled by manpower, which inevitably leads to the solder paste being overdue for recycling or scrapping due to human error. The use of overexpired solder paste in the next production is likely to cause product quality problems. Utility Model Content
[0005] The purpose of the utility model is to solve the problem in the prior art that in current production, the exposure time of solder paste is usually controlled by manpower, which inevitably leads to the solder paste being overdue and not being recycled or scrapped in time due to human errors, and the use of the overdue solder paste in the next production leads to quality problems in the product. A SMT printing solder paste exposure time monitoring and alarm device is proposed.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A SMT printing solder paste exposure time monitoring and alarm device comprises a camera for monitoring the solder paste, a PLC controller, a timer for timing, and a frame, wherein the PLC controller is fixedly arranged on one side of the frame, the camera is located in the frame, one side of the timer is fixedly connected to one side of the frame, and the camera and the timer are both electrically connected to the PLC controller;
[0008] A broadcasting mechanism, which is arranged on one side of the frame and is used for broadcasting;
[0009] The rotating mechanism is arranged between the camera and the frame for adjusting the angle of the camera.
[0010] In a possible design, the broadcast mechanism includes a voice broadcaster for broadcasting, the voice broadcaster is arranged on one side of the frame, and the voice broadcaster is electrically connected to the PLC controller.
[0011] In a possible design, the rotating mechanism includes a motor and two rotating shafts, one end of the two rotating shafts are fixedly connected to the two sides of the camera, the ends of the two rotating shafts away from each other are rotatably connected to the inner walls of the two sides of the frame, one side of the motor is fixedly connected to one side of the frame, the output end of the motor passes through one side of the frame and is fixedly connected to one end of the rotating shaft, and the motor is electrically connected to the PLC controller.
[0012] In a possible design, a mounting plate for easy installation is welded to one side of the top of the frame, and mounting holes are provided at four corners of the mounting plate, and bolts are provided in the mounting holes.
[0013] In a possible design, the voice announcer is fixed to one side of the frame by screws.
[0014] In a possible design, the motor is a conical rotor motor.
[0015] In the present application, when in use, it is installed at the required place through the bolts on the mounting plate, and then the motor is started. The rotation of the motor output end drives the rotation of the shaft, and the rotation of the shaft drives the rotation of the camera, so that the angle of the camera can be adjusted to facilitate the camera to shoot the solder paste. The camera is aimed at the position where the solder paste is exposed, and the solder paste is photographed and monitored by the camera. When the camera shoots the solder paste, the information is transmitted to the PLC controller, and the PLC controller controls the timer to count. After the set time is exceeded, the PLC controller controls the voice announcer to broadcast and issue a voice alarm to improve the quality of the product. The voice announcer, timer and motor can also be controlled by the MES system, and the MES system is communicated with the MES system through the 485 communication circuit. The MES system monitors that the solder paste exposure of a certain production line exceeds the expiration date and sends a line-specific instruction to the voice announcer. After receiving the line-specific instruction, the voice announcer outputs the corresponding PWM voice segment broadcast code to control the voice storage circuit to output the corresponding voice electrical signal to drive the speaker to issue a voice alarm. The motor is a conical rotor motor. When the conical rotor motor is powered off, the output shaft can be self-locked and will not rotate.
[0016] In the utility model, the SMT printing solder paste exposure time monitoring and alarm device is used, through the broadcasting mechanism, the camera and the timer, the camera is used to shoot, when the camera shoots the solder paste, the information is transmitted to the PLC controller, the PLC controller controls the timer to count, after the set time is exceeded, the PLC controller controls the voice announcer to broadcast, send out a voice alarm, and improve the quality of the product;
[0017] In the utility model, the SMT printing solder paste exposure time monitoring alarm device starts the motor through the rotating mechanism, and the rotation of the motor output end drives the rotation of the rotating shaft, and the rotation of the rotating shaft drives the rotation of the camera, so that the angle of the camera can be adjusted, which is convenient for the camera to shoot the solder paste;
[0018] The utility model has a reasonable structure. The time of solder paste can be monitored and an alarm can be issued through the broadcasting mechanism, the camera and the timer, thereby improving the quality of the product. The angle of the camera can be adjusted through the rotating mechanism, so that the camera can be used to shoot the solder paste. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the main structure of a SMT printing solder paste exposure time monitoring and alarm device proposed by the utility model;
[0020] Figure 2 This is a first side view structural schematic diagram of a SMT printing solder paste exposure time monitoring and alarm device proposed by the utility model;
[0021] Figure 3 This is a front view structural diagram of a SMT printing solder paste exposure time monitoring and alarm device proposed by the utility model;
[0022] Figure 4 This is a second side structural schematic diagram of a SMT printing solder paste exposure time monitoring and alarm device proposed by the utility model.
[0023] In the figure: 1. frame; 2. mounting plate; 3. bolts; 4. mounting holes; 5. camera; 6. shaft; 7. motor; 8. voice announcer; 9. timer; 10. screws. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0025] Embodiment 1
[0026] Reference Figure 1-4 , an exposure time monitoring alarm device, comprising: a camera 5 for monitoring solder paste, a PLC controller, a timer 9 for timing, and a frame 1, wherein the PLC controller is fixedly arranged on one side of the frame 1, the camera 5 is located in the frame 1, one side of the timer 9 is fixedly connected to one side of the frame 1, and the camera 5 and the timer 9 are both electrically connected to the PLC controller;
[0027] A broadcasting mechanism, which is arranged on one side of the frame 1 for broadcasting;
[0028] The rotating mechanism is arranged between the camera 5 and the frame 1 to adjust the angle of the camera 5 .
[0029] The above technical solution can monitor the time of solder paste through the broadcasting mechanism, camera 5 and timer 9, issue an alarm, and improve the quality of the product. The angle of the camera 5 can be adjusted through the rotating mechanism to facilitate the camera 5 to shoot the solder paste.
[0030] Reference Figure 4 The broadcasting mechanism includes a voice broadcaster 8 for broadcasting. The voice broadcaster 8 is arranged on one side of the frame 1, and the voice broadcaster 8 is electrically connected to the PLC controller.
[0031] The above technical solution can be broadcasted by the voice broadcaster 8 to issue a voice alarm.
[0032] Reference Figure 3 and Figure 4 The rotating mechanism includes a motor 7 and two rotating shafts 6, one end of the two rotating shafts 6 is fixedly connected to the two sides of the camera 5, and the ends of the two rotating shafts 6 away from each other are rotatably connected to the inner walls of the frame 1 on both sides, one side of the motor 7 is fixedly connected to one side of the frame 1, the output end of the motor 7 passes through one side of the frame 1 and is fixedly connected to one end of the rotating shaft 6, and the motor 7 is electrically connected to the PLC controller.
[0033] The above technical solution starts the motor 7, and the rotation of the output end of the motor 7 drives the rotation of the shaft 6, and the rotation of the shaft 6 drives the rotation of the camera 5, so that the angle of the camera 5 can be adjusted, making it easier for the camera 5 to shoot the solder paste.
[0034] The working principle of the voice announcer 8 is the same as that of authorization number CN214853104U, the working principle of the timer 9 is the same as that of authorization number CN209289037U, and the working principle of the camera 5 is the same as that of authorization number CN220016824U, which will not be repeated here. Of course, the voice announcer 8, camera 5 and timer 9 can also be purchased according to demand.
[0035] The present application can be used in the field of SMT printing solder paste exposure monitoring, and can also be used in other fields applicable to the present application.
[0036] Embodiment 2
[0037] refer to Figure 1-4 , based on the improvement of the first embodiment: an SMT printing solder paste exposure time monitoring alarm device, which is used in the field of SMT printing solder paste exposure monitoring,
[0038] Reference Figure 1A mounting plate 2 for easy installation is welded on one side of the top of the frame 1, and mounting holes 4 are provided at four corners of the mounting plate 2, and bolts 3 are provided in the mounting holes 4.
[0039] The above technical solution can facilitate the installation of the camera 5 through the bolts 3 on the mounting plate 2.
[0040] Reference Figure 4 The voice announcer 8 is fixed to one side of the frame 1 by screws 10 .
[0041] In the above technical solution, the voice announcer 8 is fixed to one side of the frame 1 by screws 10, which makes it easy to install the voice announcer 8.
[0042] Reference Figure 4 , motor 7 is a conical rotor motor.
[0043] The motor 7 of the above technical solution is a conical rotor motor. When the conical rotor motor is powered off, the output shaft can be self-locked and will not rotate.
[0044] However, as is well known to those skilled in the art, the working principles and wiring methods of the motor 7, camera 5, PLC controller and timer 9 are commonplace, and are all conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can make any optional selections according to their needs or convenience.
[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A SMT printed solder paste exposure time monitoring and alarm device, comprising a camera (5) for monitoring the solder paste, a PLC controller, a timer (9) for timing, and a frame (1), It is characterized in that The PLC controller is fixedly arranged on one side of the frame (1), the camera (5) is located inside the frame (1), one side of the timer (9) is fixedly connected to one side of the frame (1), and the camera (5) and the timer (9) are both electrically connected to the PLC controller; A broadcasting mechanism, which is arranged on one side of the frame (1) and is used for broadcasting; A rotating mechanism is arranged between the camera (5) and the frame (1) and is used to adjust the angle of the camera (5).
2. The SMT printing solder paste exposure time monitoring and alarm device according to claim 1, It is characterized in that The broadcasting mechanism comprises a voice broadcasting device (8) for broadcasting, the voice broadcasting device (8) is arranged on one side of the frame (1), and the voice broadcasting device (8) is electrically connected to the PLC controller.
3. The SMT printing solder paste exposure time monitoring and alarm device according to claim 1, It is characterized in that The rotating mechanism comprises a motor (7) and two rotating shafts (6), one end of the two rotating shafts (6) is fixedly connected to the two sides of the camera (5), and the ends of the two rotating shafts (6) that are away from each other are rotatably connected to the inner walls of the frame (1) on both sides. One side of the motor (7) is fixedly connected to one side of the frame (1), the output end of the motor (7) passes through one side of the frame (1) and is fixedly connected to one end of the rotating shaft (6), and the motor (7) is electrically connected to a PLC controller.
4. The SMT printing solder paste exposure time monitoring and alarm device according to claim 1, It is characterized in that A mounting plate (2) is welded on one side of the top of the frame (1) for easy installation, and mounting holes (4) are provided at four corners of the mounting plate (2), and bolts (3) are provided in the mounting holes (4).
5. The SMT printing solder paste exposure time monitoring and alarm device according to claim 2, It is characterized in that The voice announcer (8) is fixed to one side of the frame (1) by means of screws (10).
6. The SMT printing solder paste exposure time monitoring and alarm device according to claim 3, It is characterized in that The motor (7) is a conical rotor motor.
