SMT patch solder paste inspection machine

Abstract

The utility model provides an SMT patch solder paste inspection machine, which relates to the technical field of solder paste detection devices, and comprises a support frame and a carrying mechanism, the top end of the support frame is in screw connection with a working table, the top end of the working table is in screw connection with an operator, the rear end of the operator is fixedly connected with a display screen, and the display screen is fixedly connected with the carrying mechanism. A working box is arranged at the other end of the display screen, a detection box is connected to the top end of the working box through screws, a carrying mechanism is arranged at the top end of the working table, circuit boards are carried through a material plate, the detected circuit boards are classified through the material plate, and defective products and finished products are conveyed into specific material boxes to be stored; the driving box, the belt and the clamping plate are matched to receive and store circuit boards, the Hall sensor counts the passing times of the sensing block, the number of detected products, finished products and inferior-quality products is recorded, the yield is calculated, the device is easy to operate, classified storage and recording of the products are achieved, manual use is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of solder paste detection devices, in particular to an SMT patch solder paste inspection machine. Background Technique

[0002] The printing process of solder paste emerged along with the surface mount technology (SMT) industry. The printing process quality of solder paste is related to the quality of the stencil and the equipment process. Defects in the production process and stencil quality can lead to problems such as less solder, no solder, poor soldering, and too thick solder paste on the circuit board. The solder paste inspection device uses the principle of optics to realize the height detection of the solder paste on the circuit board and analyze the quality of solder paste printing, so as to detect SMT process defects early.

[0003] After retrieval, the patent number "CN218545650U" provides "The utility model discloses a solder paste detector for a power circuit board, including a support frame, the support frame has a top wall and a side wall; a first driving device is provided on the side wall, a second driving device is provided on the first driving device, the first driving device drives the second driving device to move along the X-axis, a third driving device is provided on the second driving device, the second driving device drives the third driving device to move along the Y-axis, and the third driving device drives the detection head along the Z-axis direction; the third driving device moves above the top wall, and a conveyor belt for conveying the power circuit board is provided on the top wall. During detection, the detection head is located directly above the power circuit board. This product realizes the three-dimensional movement of the detection head, making the detection head more flexible. This detection method makes the power circuit board less restricted by the installation position and also saves the installation adjustment time; it has the characteristics of high flexibility and strong applicability. It can also continuously detect multiple power circuit boards through the detection head once, improving the detection efficiency." When in use, through the setting of the driving device and the detection head, the detection of multiple circuit boards is realized, saving the installation time and improving the detection efficiency at the same time. However, when in use, this device does not set a device for classifying and processing the finished products and defective products after detection, and still requires manual handling and storage. At the same time, the records of the finished products and defective products still need to be recorded one by one subsequently. This device cannot realize the automatic storage of the circuit board after detection and still requires manual operation, which is cumbersome and has low work efficiency and cannot meet the requirements of rapid production.

[0004] Therefore, we provide an SMT patch solder paste inspection machine to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide an SMT patch solder paste inspection machine to solve the problems raised in the above background technique.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an SMT patch solder paste inspection machine, comprising a support frame and a conveying mechanism, the top of the support frame is screwed to a workbench, the top of the workbench is screwed to an operator, the rear end of the operator is fixedly connected to a display screen, the other end of the display screen is provided with a work box, the top of the work box is screwed to a detection box, and the top of the workbench is provided with a conveying mechanism;

[0007] The conveying mechanism comprises a guide rail assembly, a transport assembly and a storage assembly. The top of the workbench is provided with a guide rail assembly, the inner side of the guide rail assembly is engaged with the transport assembly, and the port of the guide rail assembly is provided with a storage assembly.

[0008] Preferably, the storage assembly includes an input guide rail, a defective product guide rail, a finished product guide rail, a Hall sensor and a door panel, the top of the workbench is provided with an input guide rail, and the inner port of the input guide rail is provided with a defective product guide rail along the width direction.

[0009] Preferably, a finished guide rail is arranged at the inner port of the input guide rail along the length direction, Hall sensors are arranged at the outer ports of the input guide rail, defective guide rail and finished guide rail, and a door panel is slidably connected to the outer side of the working box.

[0010] Preferably, the transport assembly includes a gear, a transport motor, a material plate and an induction block, the inner side of the defective product guide rail is meshed with a gear, and the top end of the gear is rotatably connected to the transport motor.

[0011] Preferably, a material plate is clamped on the top of the transport motor, and an induction block is arranged on the outer side of the material plate.

[0012] Preferably, the storage assembly includes a material box, a drive box, a belt, an active pulley, a pallet and an auxiliary pulley, a material box is arranged at the outer port of the input guide rail, the top screw of the material box is connected to the drive box, and the internal transmission of the drive box is connected to the belt.

[0013] Preferably, a driving pulley is provided on one side of the belt, a clamping plate is rotatably connected to the left end of the driving pulley, and an auxiliary pulley is provided on the other side of the driving pulley.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The SMT solder paste inspection machine, through the setting of the conveying mechanism, divides and guides the transportation direction of the inspected products by the guide rail component, realizes the transportation of circuit boards by the transport component, and realizes the classified storage of the inspected products, defective products and finished products by the storage component, which is clear and organized.

[0016] 2. The handling of the circuit board by the material board classifies the inspected circuit boards, transports the defective products and the finished products to specific material boxes for storage respectively. The driving box, the belt and the pallet cooperate to realize the receiving and storage of the circuit board. The Hall sensor counts the number of times the induction block passes by to record the number of inspected products, finished products and defective products, and calculates the yield rate. This device is easy to operate, realizes the classified storage and recording of products, reduces the use of labor, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the external structure of the present utility model from the bottom view perspective;

[0018] Figure 2 is a schematic diagram of the external structure of the material board of the present utility model cooperating with the guide rail assembly box;

[0019] Figure 3 is a schematic diagram of the external structure of the storage assembly of the present utility model;

[0020] Figure 4 is a schematic diagram of the structure of the belt and the auxiliary pulley cooperating with each other of the present utility model;

[0021] Figure 5 is a schematic diagram of the external structure of the transportation assembly of the present utility model.

[0022] Reference numerals in the figures: 1, support frame; 2, workbench; 3, operator; 4, display screen; 5, work box; 6, inspection box; 7, handling mechanism; 71, guide rail assembly; 711, input guide rail; 712, defective product guide rail; 713, finished product guide rail; 714, Hall sensor; 715, door panel; 72, transportation assembly; 721, gear; 722, handling motor; 723, material board; 724, induction block; 73, storage assembly; 731, material box; 732, driving box; 733, belt; 734, driving pulley; 735, pallet; 736, auxiliary pulley. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Please refer to Figures 1-5 , the present utility model provides a technical solution: an SMT patch solder paste inspection machine, including a support frame 1 and a handling mechanism 7. The top of the support frame 1 is screwed with a workbench 2. The top of the workbench 2 is screwed with an operator 3. The back end of the operator 3 is fixedly connected with a display screen 4. The other end of the display screen 4 is provided with a work box 5. The top of the work box 5 is screwed with an inspection box 6. The top of the workbench 2 is provided with a handling mechanism 7;

[0024] The transport mechanism 7 includes a guide rail assembly 71 , a transport assembly 72 and a storage assembly 73 . The guide rail assembly 71 is disposed at the top of the workbench 2 , the transport assembly 72 is engaged with the inner side of the guide rail assembly 71 , and the storage assembly 73 is disposed at the end of the guide rail assembly 71 .

[0025] Further, the guide rail assembly 71 includes an input guide rail 711, a defective guide rail 712, a finished product guide rail 713, a Hall sensor 714 and a door panel 715. The top of the workbench 2 is provided with an input guide rail 711, the inner port of the input guide rail 711 is provided with a defective guide rail 712 along the width direction, the inner port of the input guide rail 711 is provided with a finished product guide rail 713 along the length direction, the outer ports of the input guide rail 711, the defective guide rail 712 and the finished product guide rail 713 are all provided with Hall sensors 714, and the outer side of the working box 5 is slidably connected with a door panel 715.

[0026] Furthermore, the transport component 72 includes a gear 721, a transport motor 722, a material plate 723 and a sensor block 724. The inner side of the defective guide rail 712 is meshed with the gear 721, the top of the gear 721 is rotatably connected to the transport motor 722, the top of the transport motor 722 is clamped with the material plate 723, and the outer side of the material plate 723 is provided with a sensor block 724. The transport motor 722 drives the gear 721, and the gear 721 is meshed with the racks inside the input guide rail 711, the defective guide rail 712 and the finished product guide rail 713 to complete the movement of the transport component 72 along the guide rails. At the same time, the sensor block 724 of the material plate 723 completes the counting of the number of transports when passing through the Hall sensor 714, thereby completing the recording of finished products and defective products and the calculation of the yield rate.

[0027] Furthermore, the storage assembly 73 includes a material box 731, a drive box 732, a belt 733, an active pulley 734, a clamping plate 735 and an auxiliary pulley 736. The material box 731 is arranged at the outer end of the input guide rail 711. The top of the material box 731 is screwed to the drive box 732. The internal transmission of the drive box 732 is connected to the belt 733. One side of the belt 733 is provided with an active pulley 734. The left end of the active pulley 734 is rotatably connected to the clamping plate 735. The other end of the active pulley 734 is rotatably connected to the clamping plate 735. An auxiliary pulley 736 is arranged on the side, and the material plate 723 transports the qualified products after inspection to the port of the finished product guide rail 713, and the driving box 732 drives the belt 733 to rotate, driving the active pulley 734 to move along the groove on the inner wall of the material box 731. When the material plate 723 transports the circuit board to the card plate 735, the driving box 732 moves the card plate 735 upward, and makes the next card plate 735 enter the working position for subsequent circuit board collection work. The working principle of the defective guide rail 712 is the same.

[0028] Working principle: First, move an SMT paste inspection machine to the working position. In the first step, the handling motor 722 drives the gear 721, and through the meshing of the gear 721 with the racks inside the input guide rail 711, defective product guide rail 712, and finished product guide rail 713, the movement of the transportation component 72 along each guide rail is completed. In the second step, place the material box 731 containing defective products to be detected at the outer port of the input guide rail 711. The handling motor 722 drives the material plate 723 to carry the circuit board to be detected into the working box 5, and the inspection box 6 detects the solder paste welding condition of the circuit board. In the third step, defective products are transported out through the defective product guide rail 712, and finished products are transported out through the finished product guide rail 713. In the fourth step, when the material plate 723 transports the circuit board to the port of the finished product guide rail 713, the driving box 732 drives the belt 733 to rotate, driving the active pulley 734 to move along the groove on the inner wall of the material box 731. After the material plate 723 transports the circuit board into the clamping plate 735, the driving box 732 moves the clamping plate 735 upward and makes the next clamping plate 735 enter the working position for subsequent circuit board collection work. The working principle at the defective product guide rail 712 is the same. In the fifth step, at this time, when the induction block 724 of the material plate 723 passes through the Hall sensor 714, the counting of the handling times is completed, thereby completing the recording of finished products and defective products and the calculation of the finished product rate. In this way, the use process of an SMT paste inspection machine is completed.

Claims

1. An SMT solder paste inspection machine, comprising a support frame (1) and a transport mechanism (7), characterized in that: The top end of the support frame (1) is screwed to a workbench (2), the top end of the workbench (2) is screwed to an operator (3), the rear end of the operator (3) is fixedly connected to a display screen (4), the other end of the display screen (4) is provided with a work box (5), the top end of the work box (5) is screwed to a detection box (6), and the top end of the workbench (2) is provided with a transport mechanism (7); The transport mechanism (7) comprises a guide rail assembly (71), a transport assembly (72) and a storage assembly (73); the top of the workbench (2) is provided with the guide rail assembly (71), the inner side of the guide rail assembly (71) is engaged with the transport assembly (72), and the port of the guide rail assembly (71) is provided with the storage assembly (73).

2. The SMT solder paste inspection machine according to claim 1, characterized in that: The guide rail assembly (71) comprises an input guide rail (711), a defective guide rail (712), a finished product guide rail (713), a Hall sensor (714) and a door panel (715); the top of the workbench (2) is provided with an input guide rail (711), and the inner side port of the input guide rail (711) is provided with a defective guide rail (712) along the width direction.

3. The SMT solder paste inspection machine according to claim 2, characterized in that: The inner port of the input guide rail (711) is provided with a finished product guide rail (713) along the length direction, the outer ports of the input guide rail (711), the defective guide rail (712) and the finished product guide rail (713) are all provided with Hall sensors (714), and the outer side of the working box (5) is slidably connected with a door panel (715).

4. The SMT solder paste inspection machine according to claim 2, characterized in that: The transport component (72) comprises a gear (721), a transport motor (722), a material plate (723) and a sensor block (724); the inner side of the defective product guide rail (712) is meshed with a gear (721); the top end of the gear (721) is rotatably connected to the transport motor (722).

5. The SMT solder paste inspection machine according to claim 4, characterized in that: A material plate (723) is clamped on the top of the transport motor (722), and an induction block (724) is arranged on the outer side of the material plate (723).

6. The SMT solder paste inspection machine according to claim 2, characterized in that: The storage assembly (73) comprises a material box (731), a drive box (732), a belt (733), an active pulley (734), a clamping plate (735) and an auxiliary pulley (736); the material box (731) is arranged at the outer end of the input guide rail (711); the top end of the material box (731) is screw-connected to the drive box (732); the internal transmission of the drive box (732) is connected to the belt (733).

7. The SMT solder paste inspection machine according to claim 6, characterized in that: A driving pulley (734) is provided on one side of the belt (733), a left end of the driving pulley (734) is rotatably connected to a clamping plate (735), and an auxiliary pulley (736) is provided on the other side of the driving pulley (734).

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