CN217541808U - PCB hole position detection scanning device - Google Patents

Abstract

The utility model discloses a PCB hole position detecting and scanning device, which comprises a frame body, wherein two conveying components are arranged on the frame body in a segmentation way; the image capturing assembly is erected above the gap between the conveying assemblies through a lifting structure; the light source assembly is matched with the image capturing assembly and arranged below the gap; wherein, elevation structure includes vertical setting and is in get for instance the screw rod at subassembly both ends, set up get for instance the subassembly both ends with the screw of screw rod looks adaptation, fix be used for on the support body screw rod pivoted bearing, setting are in the screw rod top is in from the driving wheel, set up through a horizontal pole driving motor and action wheel on the support body. Through the arrangement of the adjustable image capturing assembly; the automatic detection device has the advantages of high automation degree, high detection efficiency, reliable detection quality, flexibility and multiple purposes.

Description

PCB hole position detection scanning device

Technical Field

The utility model relates to a PCB plate hole position detection device, especially a PCB plate hole position detection scanning device.

Background

A Printed Circuit Board (PCB), or printed circuit board for short, is one of the important components in the electronic industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating base plate, a connecting lead and a welding pad for assembling and welding electronic elements, and has double functions of a conducting circuit and the insulating base plate. The circuit can replace complex wiring to realize electrical connection among elements in the circuit, thereby simplifying the assembly and welding work of electronic products, reducing the wiring workload in the traditional mode and greatly lightening the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved.

However, in the production process of the PCB, defects such as hole missing, multiple holes, small holes, large holes and the like can occur, which can affect subsequent production and use and affect quality and reliability, and thus, the detection is required.

Detect through the manual work among the prior art, error influence detection effect appears easily, also has to detect through automation equipment, but degree of automation is low, and detection efficiency is low.

For example, the Chinese patent document discloses "a detection device for detecting hole positions of circuit boards", which is published under the number CN211178373U. In this patent, a detecting apparatus for detecting a hole site of a circuit board is disclosed; belongs to the technical field of circuit board detection equipment; its technical essential includes the frame, a pair of baffle, conveying mechanism and detection mechanism, detection mechanism includes first fixed bolster, the second fixed bolster, the horizontal pole, the runner assembly, the mounting, drive actuating cylinder, four group's slip subassemblies, it is first, second fixed bolster lower extreme fixed connection frames, and be located the conveying mechanism both sides respectively, the horizontal pole both ends are respectively through the mounting, runner assembly fixed connection is first, the second fixed bolster, it is in horizontal pole one side to drive actuating cylinder fixed connection, the output that drives actuating cylinder is connected with the fixed plate, four group's slip subassemblies set up respectively in the fixed plate four corners, slip subassembly lower extreme fixedly connected with test faller, be equipped with many test steel needles on the test faller, fixed plate one side is equipped with the thing sensor of surveying. In this patent, detect through the test steel needle, detection efficiency is low, and causes the damage to the product easily.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present invention provides an arrangement of an adjustable image capturing assembly; the automatic detection device has the advantages of high automation degree, high detection efficiency, reliable detection quality, flexibility and multiple purposes.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a PCB hole position detection scanning device comprises a frame body, wherein two conveying assemblies are arranged on the frame body in a segmented mode; the image capturing assembly is erected above the gap between the conveying assemblies through a lifting structure; the light source assembly is matched with the image capturing assembly and arranged below the gap; the lifting structure comprises a screw rod vertically arranged at two ends of the image capturing assembly, screw holes formed in two ends of the image capturing assembly and matched with the screw rod, a bearing fixed on the frame body and used for rotating the screw rod, a driven wheel arranged at the top of the screw rod, a driving motor arranged on the frame body through a cross rod and a driving wheel. The conveying assembly can convey a plurality of PCBs at the same time, detection efficiency is guaranteed, the conveying assembly is arranged at the same height, stability of conveying of the PCBs is guaranteed, the gap provides an illumination space for the light source assembly, the image capturing assembly and the light source assembly are arranged on the upper side and the lower side of the gap respectively, when the PCBs to be detected pass through the gap, image collection is carried out on the PCBs to be detected, and then the PCBs to be detected are compared with the reference plate through a program to judge whether the PCBs are qualified or not; the image capturing assembly can adjust the height up and down through the lifting structure, adjust the image capturing height, adjust the height according to the thickness of the PCB, ensure the image capturing quality and further ensure the detection quality; the lifting structure controls the height of the image capturing component in the rotating process of the screw rod through the matching of the screw rod fixedly arranged on the bearing and the screw hole; the rack body is provided with a driving motor and a driving wheel arranged on the driving motor through a cross rod, the driving wheel drives a driven wheel arranged at the top of the screw rod to rotate, so that the height is adjusted, the structure is simple, the position is reasonably arranged, the stability of adjustment can be ensured, and the detection quality is ensured; meanwhile, the PCB to be detected does not need to pause when passing through the gap, and the detection efficiency is ensured.

Furthermore, a first controller for controlling the driving motor and a second controller for controlling the image capturing assembly are further arranged on the cross rod. Compact structure, it is reasonable to set up, can effectively control.

Furthermore, get for instance the subassembly and include a crossbearer, set up and be in get for instance the head and set up through an mounting panel and be in the pinch roller structure of crossbearer both sides of crossbearer bottom. Through above-mentioned pinch roller structure, can guarantee the stability of PCB board when passing through, guarantee to get for instance the quality, and then guarantee detection quality.

Further, the mounting panel is provided with a strip-shaped mounting groove vertically. The height of the pinch roller structure can be adjusted to adapt to detection of PCBs with different thicknesses.

Furthermore, the scanning device further comprises a cover body covering the image capturing assembly. The stable operation of equipment is guaranteed, and the quality of getting for instance is guaranteed.

Further, the driving wheel and the driven wheel are belt pulleys. Simple structure and convenient use.

Compared with the prior art, the utility model has the advantages that: the automatic degree is high, and detection efficiency is high, and detection quality is reliable, and is nimble multi-purpose.

Drawings

Fig. 1 is a three-dimensional schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view at B in fig. 3.

In the figure:

1. a frame body; 2. a transfer assembly; 3. an image capture component; 4. a lifting assembly; 5. a gap; 6. a light source assembly; 7. a screw; 8. a driven wheel; 9. a cross bar; 10. a drive motor; 11. a driving wheel; 12. a first controller; 13. a second controller; 14. a cross frame; 15. an image capture head; 16. mounting a plate; 17. a pinch roller structure; 18. mounting grooves; 19. a cover body; 20. and a bearing.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4 for the present invention, in this embodiment, the above-mentioned scanning device includes a frame body 1, two sets of conveying assemblies 2 are arranged on the frame body 1 in a segmented manner, the conveying assemblies 2 have the same height, a gap 5 is formed between the two conveying assemblies, an image capturing assembly 3 is arranged above the gap 5, a light source assembly 6 is arranged below the gap 5, the two assemblies are used in combination to detect the image captured by the PCB, a lifting assembly 4 is further arranged on the image capturing assembly 3, under the action of the lifting assembly 4, the image capturing assembly 3 can adjust the upper and lower positions, and is suitable for the detection of the PCB with different thicknesses, the lifting assembly 4 comprises a screw 7 arranged at two ends of the image capturing assembly 3, a screw hole adapted to the screw 7, a screw hole fixed on the frame body 1 and used for the screw 7 to support a rotating bearing 20, a driven wheel 8 arranged at the top of the screw 7, and a driving motor 10 and a driving wheel 11 arranged on the frame body 1 through a cross rod 9. The conveying assembly 2 can convey a plurality of PCBs at the same time, detection efficiency is guaranteed, the conveying assembly 2 is arranged at the same height, stability of conveying of the PCBs is guaranteed, the gap 5 provides an illumination space for the light source assembly 6, the image capturing assembly 3 and the light source assembly 6 are respectively arranged on the upper side and the lower side of the gap 5, when the PCBs to be detected pass through the gap 5, image collection is carried out on the PCBs, and then the PCBs to be detected are compared with a reference plate through a program to judge whether the PCBs are qualified or not; the image capturing assembly 3 can adjust the height up and down through the lifting structure, adjust the image capturing height, adjust the height according to the thickness of the PCB, ensure the image capturing quality and further ensure the detection quality; the lifting structure controls the height of the image capturing component 3 through the matching of the screw 7 and the screw hole which are fixedly arranged on the bearing 20 in the rotating process of the screw 7; a driving motor 10 and a driving wheel 11 arranged on the driving motor 10 are arranged on the frame body 1 through a cross rod 9, the driving wheel 11 drives a driven wheel 8 arranged at the top of the screw 7 to rotate, so that the height is adjusted, the structure is simple, the position arrangement is reasonable, the adjustment stability can be ensured, and the detection quality can be ensured; meanwhile, the PCB to be detected does not need to be stopped when passing through the gap 5, and the detection efficiency is guaranteed.

Referring to fig. 1-4, in the embodiment of the present invention, in the embodiment, the basic portion is the same as the above embodiment, in the embodiment, the cross bar 9 is further provided with a first controller 12 for controlling the driving motor 10 and a second controller 13 for controlling the image capturing assembly 3, so that the structure is compact, the arrangement is reasonable, and the control can be effectively performed; the image capturing assembly 3 comprises a cross frame 14, an image capturing head 15 arranged at the bottom of the cross frame 14 and pinch roller structures 17 arranged at two sides of the cross frame 14 through an installation plate 16, and the pinch roller structures 17 can ensure the stability of the PCB when passing through, ensure the image capturing quality and further ensure the detection quality; meanwhile, the mounting plate 16 is vertically provided with a strip-shaped mounting groove 18, so that the height of the pinch roller structure 17 can be adjusted to adapt to the detection of PCBs with different thicknesses; in this embodiment, the scanning device further includes a cover 19 covering the image capturing assembly 3, so as to ensure stable operation of the apparatus and image capturing quality; the driving wheel 11 and the driven wheel 8 are belt pulleys, which are simple in structure and convenient to use, and may be disposed in other forms in other embodiments, such as a sprocket, etc., without being limited thereto, and are not described in detail herein.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (10)

1. The utility model provides a PCB plate hole position detects scanning device which characterized in that: comprises that

The rack body is provided with two conveying assemblies in a segmented manner;

the image capturing assembly is erected above the gap between the conveying assemblies through a lifting structure;

the light source assembly is matched with the image capturing assembly and arranged below the gap;

the lifting structure comprises a screw rod vertically arranged at two ends of the image capturing assembly, screw holes formed in two ends of the image capturing assembly and matched with the screw rod, a bearing fixed on the frame body and used for rotating the screw rod, a driven wheel arranged at the top of the screw rod, a driving motor arranged on the frame body through a cross rod and a driving wheel.

2. The PCB plate hole position detection scanning device of claim 1, wherein: the transverse rod is further provided with a first controller used for controlling the driving motor and a second controller used for controlling the image capturing assembly.

3. The PCB hole position detection scanning device of claim 1 or 2, wherein: get for instance the subassembly and include a crossbearer, set up and be in get for instance the head and set up through an mounting panel and be in the pinch roller structure of crossbearer both sides.

4. The PCB plate hole position detection scanning device of claim 3, wherein: the mounting panel is vertically provided with a strip-shaped mounting groove.

5. The PCB hole position detection scanning device of claim 1 or 2, wherein: the scanning device also comprises a cover body covering the image capturing component.

6. The PCB plate hole position detection scanning device of claim 3, wherein: the scanning device also comprises a cover body covering the image capturing component.

7. The PCB hole position detecting and scanning device according to claim 1 or 2, characterized in that: the driving wheel and the driven wheel are belt pulleys.

8. The PCB plate hole position detection scanning device of claim 3, wherein: the driving wheel and the driven wheel are belt pulleys.

9. The PCB plate hole position detection scanning device of claim 5, wherein: the driving wheel and the driven wheel are belt pulleys.

10. The PCB plate hole position detection scanning device of claim 6, wherein: the driving wheel and the driven wheel are belt pulleys.

Images