Solder paste detection device

Abstract

The utility model discloses a solder paste detection device, and relates to the technical field of solder paste detection. The device comprises a detection table, a measuring device body and conveying mechanisms, the conveying mechanisms are symmetrically distributed and located on the two sides of the detection table, a supporting frame is fixedly arranged at the top end of the detection table, the measuring device body is fixedly installed at the top end of the supporting frame, a positioning assembly is arranged on the upper surface of the detection table, and a pushing assembly is arranged on the positioning assembly. The rotating shaft drives the belt to rotate, the belt drives the connecting rod to move, the connecting rod drives the push plate to move, the push plate pushes the circuit board to move to the supporting plate through the extension plate, in this way, it can be avoided that tin soldering is likely to be mistakenly touched by manual placement to affect detection, and the purpose of improving the detection efficiency is achieved; the double-end lead screw drives the sliding blocks to oppositely move in the sliding grooves, the sliding blocks drive the positioning plates to move, the distance between the positioning plates is made to be equal to the width of the circuit board, and therefore the situation that the circuit board deviates when moving and penetrating can be avoided, and the purpose of guiding and positioning is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of solder paste detection, in particular to a solder paste detection device. Background Art

[0002] During the production process of circuit boards, solder paste is usually required to be printed. The printing quality of solder paste directly affects the quality of the entire circuit board. Therefore, the printing quality of solder paste needs to be tested. In the prior art, generally, the object to be tested (solder paste) is first irradiated with polychromatic light and a picture is taken. Then, the grayscale extracted from the picture is calculated to calculate the area of ​​the object to be tested. Secondly, the object to be tested is irradiated with white light and a picture is taken. The height of the object to be tested is measured using the PMP height measurement principle. Finally, the volume of the object to be tested is calculated to test the printing quality of the object to be tested.

[0003] Most of the existing detection devices are placed under the detection equipment manually, and the soldering may easily be touched when the circuit board is held by hand, thereby affecting the quality of the soldering. Utility Model Content

[0004] In order to solve the problem that the solder paste is easily touched by manual placement, the utility model aims to provide a solder paste detection device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a solder paste detection device, comprising a detection platform, a measuring device body and a conveying mechanism, the conveying mechanisms are symmetrically distributed and located on both sides of the detection platform, a support frame is fixedly provided on the top of the detection platform, the measuring device body is fixedly installed on the top of the support frame, a positioning component is provided on the upper surface of the detection platform, a pushing component is provided on the positioning component, the top of the conveying mechanism is flush with the detection platform, so that the circuit board can be conveniently moved on the detection platform; the positioning component includes positioning plates, the positioning plates are symmetrically distributed, The top of the detection platform is provided with a slide groove, the internal sliding card of the slide groove is provided with symmetrically distributed sliders, a double-headed screw rod is rotatably installed inside the slide groove, and the two ends of the double-headed screw rod respectively penetrate the two sliders with threads, and a first motor is fixedly provided on the outside of the detection platform, and the end of the output shaft of the first motor movably penetrates the detection platform and is fixedly connected to one end of the double-headed screw rod, and the double-headed screw rod is driven to rotate by the end of the output shaft of the first motor, so that the double-headed screw rod drives the slider to move in the slide groove in opposite directions, and the slider drives the positioning plate to move, so that the spacing between the positioning plates is equal to the width of the circuit board, and the positioning plates are relatively A positioning groove is provided on one side of the pair, and the positioning groove can be used to guide the circuit board conveniently; the pushing component includes a push plate, one side of one of the positioning plates is provided with a first groove, and a symmetrically distributed rotating shaft is rotatably installed inside the first groove, and the outer transmission sleeve of the rotating shaft is provided with a belt, and a plurality of connecting rods are flexibly connected to the outer side of the belt, and the push plate is multiple and fixedly connected to one end of the connecting rod, and a second motor is fixedly provided on the outer side of the positioning plate, and the end of the output shaft of the second motor movably passes through the positioning plate and is fixedly connected to one end of the rotating shaft, and the rotating shaft is driven to rotate by the end of the output shaft of the second motor, and the rotating shaft drives the belt to rotate, and the belt drives the connecting rod to move, and the connecting rod is kept stable in movement through the guide groove, and the connecting rod drives the push plate to move, and the push plate pushes the circuit board to move, so that it can be avoided that manual placement is easy to accidentally touch the soldering and affect the detection, and the inner wall of the second groove is fixedly provided with springs distributed side by side, and one end of the spring is fixedly connected to the top of the extension plate, and the extension plate can be fitted with the detection table through the spring elastic force, and the inner wall of the first groove is provided with a guide groove, and one end of the connecting rod is slidably inserted in the guide groove, and the connecting rod is kept stable in movement through the guide groove.

[0006] Preferably, a second groove is opened at the bottom end of the push plate, and an extension plate is slidingly arranged inside the second groove. The bottom end of the extension plate is rotatably mounted with symmetrically distributed rollers, which facilitate the movement of the extension plate and facilitate the pushing of the circuit board through the extension plate.

[0007] Preferably, a third groove is provided at the top of the testing platform, a support plate is rotatably installed in the third groove, an electric telescopic rod is rotatably installed inside the third groove, the telescopic end of the electric telescopic rod is rotatably connected to the bottom end of the support plate, the support plate is driven to flip downward by the telescopic end of the electric telescopic rod, the circuit board can be supported by the support plate, and a material guide slope is provided at the top of the testing platform, the material guide slope is connected to the third groove, and the circuit board can be easily discharged through the material guide slope.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The belt is driven to rotate by the rotating shaft, the belt drives the connecting rod to move, the connecting rod drives the push plate to move, and the push plate pushes the circuit board to the pallet through the extension plate. This can avoid manual placement that easily touches the soldering and affects the detection, thereby achieving the purpose of improving the detection efficiency;

[0010] 2. The double-headed screw drives the slider to move in the slide groove, and the slider drives the positioning plate to move, so that the spacing of the positioning plates is equal to the width of the circuit board. This can avoid the circuit board from moving through and offset, thereby achieving the purpose of guiding positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the structure of the push assembly and the positioning plate of the utility model.

[0014] Figure 3 It is a schematic cross-sectional view of the push plate structure of the utility model.

[0015] Figure 4 This is a schematic diagram of the positioning plate structure of the utility model.

[0016] Figure 5 This is a schematic diagram of the structure of the detection platform and positioning components of the utility model.

[0017] Figure 6 It is a schematic diagram of the structural section of the testing platform of the utility model.

[0018] In the figure: 1. testing table; 2. positioning assembly; 21. positioning plate; 22. slide groove; 23. slider; 24. double-headed screw; 25. first motor; 26. positioning groove; 3. measuring device body; 4. support frame; 5. pushing assembly; 51. pushing plate; 52. first groove; 53. rotating shaft; 54. belt; 55. connecting rod; 56. second motor; 57. second groove; 58. extension plate; 59. roller; 510. guide groove; 511. spring; 6. conveying mechanism; 7. support plate; 8. electric telescopic rod; 9. third groove; 10. material guide slope. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example: Figure 1-6 As shown, the utility model provides a solder paste detection device, including a detection table 1, a measuring device body 3 and a conveying mechanism 6, the conveying mechanism 6 is symmetrically distributed and located on both sides of the detection table 1, a support frame 4 is fixedly provided on the top of the detection table 1, the measuring device body 3 is fixedly installed on the top of the support frame 4, a positioning component 2 is provided on the upper surface of the detection table 1, and a pushing component 5 is provided on the positioning component 2, and the top of the conveying mechanism 6 is flush with the detection table 1, so that the circuit board can be conveniently moved to the detection table 1;

[0021] The positioning assembly 2 includes a positioning plate 21, which is symmetrically distributed. A slide groove 22 is provided at the top of the detection platform 1. The internal sliding card of the slide groove 22 is provided with a symmetrically distributed slider 23. A double-headed screw rod 24 is rotatably installed inside the slide groove 22. The two ends of the double-headed screw rod 24 are respectively threaded through the two sliders 23. A first motor 25 is fixedly provided on the outside of the detection platform 1. The end of the output shaft of the first motor 25 movably penetrates the detection platform 1 and is fixedly connected to one end of the double-headed screw rod 24. The double-headed screw rod 24 is driven to rotate by the end of the output shaft of the first motor 25, so that the double-headed screw rod 24 drives the slider 23 to move in the slide groove 22 in opposite directions. The slider 23 drives the positioning plate 21 to move, so that the spacing of the positioning plate 21 is equal to the width of the circuit board. A positioning groove 26 is provided on the opposite side of the positioning plate 21, and the positioning groove 26 can be used to conveniently guide the circuit board;

[0022] The pushing assembly 5 includes a push plate 51, one side of a positioning plate 21 is provided with a first groove 52, a symmetrically distributed rotating shaft 53 is rotatably installed inside the first groove 52, an outer transmission sleeve of the rotating shaft 53 is provided with a belt 54, and a plurality of connecting rods 55 are flexibly connected to the outer side of the belt 54, the push plate 51 is multiple and fixedly connected to one end of the connecting rod 55, a second motor 56 is fixedly provided on the outer side of the positioning plate 21, and the end of the output shaft of the second motor 56 movably passes through the positioning plate 21 and is fixedly connected to one end of the rotating shaft 53, the rotating shaft 53 is driven to rotate by the end of the output shaft of the second motor 56, the rotating shaft 53 drives the belt 54 to rotate, and the belt 5 4 drives the connecting rod 55 to move, and the connecting rod 55 is kept stable by the guide groove 510. The connecting rod 55 drives the push plate 51 to move, and the push plate 51 pushes the circuit board to move, so that it can avoid manual placement and easy to accidentally touch the soldering to affect the detection. The inner wall of the second groove 57 is fixed with springs 511 distributed side by side, and one end of the spring 511 is fixedly connected to the top of the extension plate 58. The extension plate 58 can be fitted with the detection table 1 through the elastic force of the spring 511. The inner wall of the first groove 52 is provided with a guide groove 510, and one end of the connecting rod 55 is slidably inserted in the guide groove 510, and the connecting rod 55 is kept stable by the guide groove 510.

[0023] A second groove 57 is provided at the bottom end of the push plate 51, and an extension plate 58 is provided inside the second groove 57 for sliding. The bottom end of the extension plate 58 is rotatably mounted with symmetrically distributed rollers 59, which facilitate movement of the extension plate 58 and facilitate pushing the circuit board through the extension plate 58.

[0024] A third groove 9 is provided at the top of the testing table 1, and a support plate 7 is rotatably installed in the third groove 9. An electric telescopic rod 8 is rotatably installed inside the third groove 9. The telescopic end of the electric telescopic rod 8 is rotatably connected to the bottom end of the support plate 7. The support plate 7 is driven to flip downward by the telescopic end of the electric telescopic rod 8, and the circuit board can be supported by the support plate 7. A material guide slope 10 is provided at the top of the testing table 1, and the material guide slope 10 is connected to the third groove 9. The circuit board can be easily discharged through the material guide slope 10.

[0025] Working principle: First, start the first motor 25, so that the first motor 25 starts to work, the end of the output shaft of the first motor 25 drives the double-headed screw 24 to rotate, so that the double-headed screw 24 drives the slider 23 to move in the slide groove 22, and the slider 23 drives the positioning plate 21 to move, so that the spacing between the positioning plates 21 is equal to the width of the circuit board, and then the circuit board is moved between the two positioning plates 21 through the conveying mechanism 6, and the second motor 56 is started, so that the second motor 56 starts to work, the end of the output shaft of the second motor 56 drives the rotating shaft 53 to rotate, the rotating shaft 53 drives the belt 54 to rotate, and the belt 54 drives the connecting rod 55 to move, and the connecting rod 55 is kept stable by the guide groove 510. 5 drives the push plate 51 to move, and at the same time, the spring 511 drives the extension plate 58 to fit with the conveying mechanism 6 through elastic force, and facilitates the movement of the extension plate 58 through the roller 59. The push plate 51 pushes the circuit board to move through the extension plate 58, so that the circuit board moves to the support plate 7, and the soldering on the circuit board is detected through the measuring equipment body 3. When the detection is qualified, the push plate 51 drives the circuit board to move to another conveying mechanism 6. When the detection is unqualified, the electric telescopic rod 8 is started, and the telescopic end of the electric telescopic rod 8 drives the support plate 7 to flip downward and align with the material guide slope 10, so that the circuit board is discharged from the material guide slope 10, so that it can avoid manual placement that easily touches the soldering and affects the detection, thereby achieving the purpose of improving the detection efficiency.

[0026] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A solder paste detection device, comprising a detection table (1), a measuring device body (3) and a conveying mechanism (6), characterized in that: The conveying mechanism (6) is symmetrically distributed and located on both sides of the detection platform (1); a support frame (4) is fixedly provided on the top of the detection platform (1); the measuring device body (3) is fixedly installed on the top of the support frame (4); a positioning component (2) is provided on the upper surface of the detection platform (1); and a pushing component (5) is provided on the positioning component (2); The positioning assembly (2) comprises a positioning plate (21), the positioning plates (21) are symmetrically distributed, a slide groove (22) is provided at the top of the detection platform (1), the internal sliding card of the slide groove (22) is provided with symmetrically distributed sliders (23), a double-headed screw rod (24) is rotatably installed inside the slide groove (22), the two ends of the double-headed screw rod (24) are respectively threaded through the two sliders (23), a first motor (25) is fixedly provided on the outer side of the detection platform (1), the end of the output shaft of the first motor (25) movably passes through the detection platform (1) and is fixedly connected to one end of the double-headed screw rod (24); The pushing assembly (5) comprises a pushing plate (51), wherein a first groove (52) is provided on one side of one of the positioning plates (21), a symmetrically distributed rotating shaft (53) is rotatably installed inside the first groove (52), a belt (54) is provided on the outer transmission sleeve of the rotating shaft (53), a plurality of connecting rods (55) are flexibly connected to the outer side of the belt (54), the pushing plate (51) is multiple and fixedly connected to one end of the connecting rod (55), a second motor (56) is fixedly provided on the outer side of the positioning plate (21), and the end of the output shaft of the second motor (56) movably passes through the positioning plate (21) and is fixedly connected to one end of the rotating shaft (53).

2. A solder paste detection device as claimed in claim 1, characterized in that: A second groove (57) is provided at the bottom end of the push plate (51), an extension plate (58) is slidably mounted inside the second groove (57), and symmetrically distributed rollers (59) are rotatably mounted at the bottom end of the extension plate (58).

3. A solder paste detection device as claimed in claim 2, characterized in that: The inner wall of the second groove (57) is fixedly provided with springs (511) distributed side by side, and one end of the spring (511) is fixedly connected to the top end of the extension plate (58).

4. A solder paste detection device as claimed in claim 1, characterized in that: A guide groove (510) is provided on the inner wall of the first groove (52), and one end of the connecting rod (55) is slidably inserted into the guide groove (510).

5. A solder paste detection device as claimed in claim 1, characterized in that: A positioning groove (26) is provided on the opposite side of the positioning plate (21).

6. A solder paste detection device as claimed in claim 1, characterized in that: A third groove (9) is provided at the top of the detection platform (1), a support plate (7) is rotatably mounted in the third groove (9), an electric telescopic rod (8) is rotatably mounted inside the third groove (9), and the telescopic end of the electric telescopic rod (8) is rotatably connected to the bottom end of the support plate (7).

7. A solder paste detection device as claimed in claim 6, characterized in that: A material guiding slope (10) is provided at the top of the detection platform (1), and the material guiding slope (10) is connected to the third groove (9).

8. A solder paste detection device as claimed in claim 1, characterized in that: The top end of the conveying mechanism (6) is flush with the detection platform (1).

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