CN219335027U - PCB sorting equipment based on vision - Google Patents

Abstract

The utility model relates to the field of sorting equipment design, and particularly discloses a vision-based PCB sorting device, which comprises a first conveyor belt, a storage bin, a first mechanical arm, a vision detection device, a plurality of second conveyor belts and a second mechanical arm, wherein the first conveyor belt is used for conveying PCBs to be sorted; the storage rack is arranged on the first sliding rail in a sliding manner; the first mechanical arm is used for taking out PCBs to be sorted from the storage bin and placing the PCBs on the first conveyor belt; the visual detection device is arranged above the first conveyor belt and is used for identifying PCBs to be sorted; the second mechanical arm is arranged above the tail end of the first conveyor belt and is used for taking different PCBs to be sorted out of the first conveyor belt and placing the PCBs to be sorted onto different second conveyor belts; the vision-based PCB sorting equipment can replace manual work to automatically sort PCBs, and effectively improves efficiency and accuracy.

Description

PCB sorting equipment based on vision

Technical Field

The utility model relates to the field of sorting equipment design, in particular to PCB sorting equipment based on vision.

Background

PCB, namely printed circuit board, in the manufacturing process, producer generally can imprint relevant mark on PCB, for example two-dimensional code, bar code and special figure etc. to this record PCB's relevant information is convenient for trace to the source and manage, and the defective products need reprocessing in the production process can not appear, and when a large amount of various PCBs concentrate on reprocessing, only sort PCB with artifical visual or sweep the mode, often can lead to makeing mistakes because of the confusion, and efficiency is also relatively lower simultaneously, therefore need seek an accurate and efficient PCB letter sorting equipment.

Disclosure of Invention

The utility model aims to provide a vision-based PCB sorting device which can replace manual work to automatically sort PCBs, and effectively improve efficiency and accuracy.

The technical scheme of the utility model is as follows:

a vision-based PCB sorting apparatus, comprising:

a first conveyor belt for transporting PCBs to be sorted;

the storage rack is arranged on the first sliding rail in a sliding manner and can reciprocate along the up-down direction; the storage rack is used for stacking the PCBs to be sorted;

the first mechanical arm is arranged above the bin, and is used for taking out the PCBs to be sorted from the bin and placing the PCBs on the first conveyor belt;

the visual detection device is arranged above the first conveyor belt, and the vertical projection of the visual detection device falls between two ends of the first conveyor belt in the length direction; the visual detection device is used for identifying the PCBs to be sorted;

a plurality of second conveyor belts disposed on a distal end side of the first conveyor belt;

the second mechanical arm is arranged above the tail end of the first conveyor belt; the second mechanical arm is used for taking out different PCBs to be sorted from the first conveyor belt and placing the PCBs to be sorted on different second conveyor belts.

According to the vision-based PCB sorting equipment provided by the utility model, the mechanical arm and the vision detection device are matched with each other to replace manual work to realize automatic sorting operation, so that the sorting efficiency and accuracy are greatly improved.

Further, the machine body is provided with a plurality of storage bins.

A plurality of bins are arranged to realize the effect of feeding without stopping.

Furthermore, all the bins are slidably arranged on the machine body and can extend out of the machine body or be hidden in the machine body.

The bin extends out of the machine body to facilitate the loading of the PCB by a user, and the bin is concealed in the machine body to facilitate the protection of the PCB.

Further, the bin is provided with a handle.

The user is convenient to apply force to the bin, so that the bin is pulled out of the machine body or pushed into the machine body.

Further, a second sliding rail is further arranged on the machine body, and the first mechanical arm is arranged on the second sliding rail in a sliding manner, so that the first mechanical arm can move to the position right above each bin.

Further, a third sliding rail is further arranged on the machine body, and the visual detection device is arranged on the third sliding rail in a sliding manner, so that vertical projection of the visual detection device on the first conveyor belt can move back and forth along the width direction of the first conveyor belt.

Further, a light pipe is arranged between the visual detection device and the first conveyor belt, and the light pipe is used for irradiating the PCBs to be sorted with light.

Further, a fourth sliding rail is further arranged on the machine body, the light pipe is connected with a middle piece, and the middle piece is slidably arranged on the fourth sliding rail so that the light pipe can move close to or far away from the first conveying belt.

Further, the light pipe is rotatably connected to the intermediate member such that the light irradiation angle of the light pipe can be changed.

Further, detachable sucking disc devices are arranged at the tail end of the first mechanical arm and the tail end of the second mechanical arm.

The utility model has the beneficial effects that: the vision-based PCB sorting equipment provided by the utility model utilizes the first mechanical arm to realize automatic material taking and discharging of PCBs, and the type of PCBs on the first conveyor belt is detected by the vision detection device so as to control the second mechanical arm to place PCBs on the corresponding second conveyor belt, so that efficient and accurate sorting operation is realized.

Drawings

Fig. 1 is a schematic structural diagram of a vision-based PCB sorting apparatus according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an internal structure of a vision-based PCB sorting apparatus according to an embodiment of the present utility model at one of the viewing angles.

Fig. 3 is a schematic view illustrating an internal structure of a vision-based PCB sorting apparatus according to an embodiment of the present utility model under another view angle.

Fig. 4 is a schematic structural diagram of one of the parts in the vision-based PCB sorting apparatus according to the embodiment of the present utility model.

Fig. 5 is a schematic view of another part of a vision-based PCB sorting apparatus according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a silo in an embodiment of the utility model.

Description of the reference numerals:

100. a first conveyor belt; 200. a storage bin; 210. a storage rack; 220. a first slide rail; 230. a handle; 240. placing a platform; 251. a fifth slide rail; 252. a pushing arm; 300. a first mechanical arm; 400. a visual detection device; 500. a second conveyor belt; 600. a second mechanical arm; 700. a body; 710. a second slide rail; 720. a third slide rail; 730. a light pipe; 740. and a fourth slide rail.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

It should be noted that, the "up-down direction" described below refers to an arrow labeled in fig. 1;

in addition, all the mechanisms capable of moving, such as the first conveyor belt, the storage rack, the pushing arm, the first mechanical arm, the visual detection device, the second mechanical arm, the light pipe and the like, are connected with the corresponding driving devices to drive the light pipe to move, and the driving devices can be devices for providing driving force by driving motors, hydraulic cylinders, air cylinders and the like, but are not limited to the above, and the driving devices are not described in detail in the prior art.

In certain embodiments, referring to fig. 1, 2, 3, 4, 5, and 6, a vision-based PCB sorting apparatus includes:

a first conveyor belt 100, the first conveyor belt 100 for transporting PCBs to be sorted;

the storage bin 200, the storage bin 200 comprises a storage rack 210 and a first sliding rail 220 extending along the up-down direction, and the storage rack 210 is arranged on the first sliding rail 220 in a sliding manner and can reciprocate along the up-down direction; the storage rack 210 is used for stacking PCBs to be sorted;

the first robot arm 300, the first robot arm 300 is disposed above the bin 200, and is used for taking out PCBs to be sorted from the bin 200 and placing the PCBs on the first conveyor 100;

the visual inspection device 400, the visual inspection device 400 is arranged above the first conveyor belt 100 and the vertical projection falls between two ends of the first conveyor belt 100 in the length direction; the vision inspection apparatus 400 is used to identify PCBs to be sorted;

a plurality of second conveyor belts 500, the second conveyor belts 500 being disposed at the end side of the first conveyor belt 100;

a second robot 600, the second robot 600 being disposed above the end of the first conveyor 100; the second robot 600 is used to remove and place different PCBs to be sorted from the first conveyor 100 onto a different second conveyor 500.

For example, in the existing inspection mode, in order to improve the inspection efficiency, workers generally place PCBs with identical dead spots in a centralized manner according to the marks, because the dead spots are identical, the same set of processing modes can be directly used during inspection; however, workers can find marks on the PCBs in a visual way, so that the marks are easy to make mistakes due to fatigue, and the PCBs with different dead spots are still mixed together, so that the overhaul efficiency is affected;

for example, when producing PCBs, a bar code label is typically attached to the PCBs, where information such as a production lot, a production time, and a product name of the PCBs are recorded, and when a problem occurs in the PCBs of the same lot, in a conventional sorting operation, a worker is required to manually scan the code of each PCB and sort the PCBs according to the displayed information, and the process is time-consuming and labor-consuming, and is prone to misseeing or missing the information, resulting in erroneous sorting;

in this embodiment, in practical application, the PCBs to be sorted are stacked on the storage rack 210, the storage rack 210 is driven to move upwards on the first sliding rail 220, so as to push the PCBs to the top of the bin 200, at this time, the first mechanical arm 300 is driven to move above the bin 200 to take out the PCBs located at the topmost layer and place the PCBs on the first conveyor belt 100, so as to realize automatic feeding, the PCBs pass through the visual detection device 400 in the transmission process of the first conveyor belt 100, the visual detection device 400 replaces the human eyes to identify marks on the surfaces of the PCBs, and then different PCBs are taken out from the first conveyor belt 100 and placed on different second conveyor belts 500 through the second mechanical arm 600, the same PCBs are output from the corresponding one second conveyor belt 500, so that the sorting operation on the PCBs can be directly performed after the worker obtains the PCBs from the second conveyor belt 500, automatic sorting replaces manual sorting, the error can be effectively reduced, the sorting operation accuracy is more reliable, and the operation efficiency is greatly improved.

In certain embodiments, referring to fig. 3 and 5, the vision-based PCB sorting apparatus further includes a body 700, and the body 700 has a plurality of bins 200 mounted thereon. When only setting up single feed bin 200, if need to supplement PCB in the feed bin 200 then can only select to shut down, obviously can influence the operation, through setting up a plurality of feed bins 200, then in one of them feed bin 200 during operation, the user can load PCB in other feed bins 200, and need not to shut down, realizes the effect of non-stop material loading.

In some embodiments, all of the bins 200 are slidably disposed on the body 700 and can extend out of the body 700 or be housed within the body 700. The bin 200 can extend out of the machine body 700, so that a user can fill the PCB into the bin 200 in a wider space, and the difficulty of the filling process is effectively reduced; after filling the PCB, the bin 200 is pushed to be in-situ and is hidden in the machine body 700, so that the PCB can be prevented from being exposed, and the PCB can be protected from being influenced by the outside.

In certain embodiments, referring to fig. 3, 5 and 6, the cartridge 200 is provided with a handle 230, and the provision of the handle 230 facilitates a user to apply a force to the cartridge 200 to thereby pull the cartridge 200 out of the body 700 or push it into the body 700.

In certain embodiments, referring to fig. 3, 5 and 6, the bin 200 is further provided with a placement platform 240 and a pushing mechanism, the pushing mechanism includes a fifth sliding rail 251 and a pushing arm 252, the pushing arm 252 is slidably disposed on the fifth sliding rail 251, the pushing arm 252 is capable of pushing PCBs located on the storage rack 210 onto the placement platform 240 one by one, and the first mechanical arm 300 will take a single PCB from the placement platform 240 and place it onto the first conveyor belt 100; in practical application, after pushing one PCB onto the placement platform 240 at a time, the pushing arm 252 returns to the original position, and then the storage rack 210 rises along the first sliding rail 220 to make the bottom surface of the first PCB stacked on the top have the same height as the upper surface of the placement platform 240, and after the first mechanical arm 300 takes away the PCB located on the placement platform 240, the pushing arm 252 is controlled again to push the first PCB onto the placement platform 240, so as to circularly execute the above steps and realize automatic feeding.

In some embodiments, referring to fig. 3 and 5, a second slide rail 710 is further provided on the machine body 700, and the first mechanical arm 300 is slidably disposed on the second slide rail 710, so that the first mechanical arm 300 can move directly above each bin 200.

In practical application, the first mechanical arm 300 reciprocates along the length direction of the second sliding rail 710, and can move to the position right above each bin 200 so as to obtain a PCB positioned at the top of the bin 200 and carry the PCB onto the first conveyor belt 100; the material taking from the bins 200 can be completed through the second slide rail 710 and the first mechanical arm 300, and the structure is simple and the cost is low.

In some embodiments, referring to fig. 3 and 4, a third sliding rail 720 is further provided on the machine body 700, and the visual inspection device 400 is slidably provided on the third sliding rail 720, so that a vertical projection of the visual inspection device 400 on the first conveyor belt 100 can reciprocate along a width direction of the first conveyor belt 100.

In practical application, the positions of the marks on the PCB are different from each other, so as to ensure that the visual detection device 400 can obtain a clear image containing the marks (particularly for two-dimensional codes and bar codes, the image containing the two-dimensional codes and the bar codes needs to be amplified and accurately intercepted to be scanned and identified normally).

In some embodiments, referring to fig. 4, a light pipe 730 is disposed between the vision inspection apparatus 400 and the first conveyor 100, and the light pipe 730 is used to irradiate light to PCBs to be sorted. The light pipe 730 can be used as a light source to improve the illuminance of the PCB, which is beneficial for the visual inspection device 400 to obtain a clear image, thereby achieving the effect of accurately identifying the mark.

In some embodiments, referring to fig. 3 and 4, a fourth slide 740 is further provided on the body 700, and the light pipe 730 is connected to an intermediate member slidably provided on the fourth slide 740 to enable the light pipe 730 to move toward or away from the first conveyor 100.

The light pipe 730 is slidably arranged on the fourth slide rail 740, so that the position of the light pipe 730 is adjustable, the illuminance of the PCB is changed, the light pipe 730 is lifted to enable the light pipe 730 to be far away from the PCB under the condition of brighter environment, or the light pipe 730 is lowered to enable the light pipe 730 to be close to the PCB under the condition of darker environment, thereby ensuring that the PCB has proper illuminance, facilitating the visual detection device 400 to acquire clear images, and further ensuring that the effect of accurately identifying the mark is achieved.

In some embodiments, referring to FIG. 4, the light pipe 730 is rotatably coupled to the intermediate member such that the light irradiation angle of the light pipe 730 can be changed.

Rotating the light pipe 730 can adjust the angle of the light irradiated onto the PCB, ensures that the PCB can be illuminated everywhere, is beneficial for the visual inspection device 400 to acquire complete and clear PCB images, can also make the marks on the PCB more clearly visible, is beneficial for ensuring that the marks are normally identified, and avoids influencing the identification due to the occurrence of shadows caused by insufficient light.

In certain embodiments, referring to fig. 2, 3 and 5, the end of the first robotic arm 300 and the end of the second robotic arm 600 are each provided with a detachable suction cup device.

In practical application, the size of the PCBs is different, so that the first mechanical arm 300 and the second mechanical arm 600 can stably adsorb the PCBs, and the user can conveniently replace the sucking disc devices with different specifications by arranging the detachable sucking disc devices so as to realize stable adsorption on different PCBs.

It should be noted that the detachable manner includes, but is not limited to, screw connection, magnetic connection, snap connection, and the like.

In summary, although the present utility model has been described with reference to the preferred embodiments, it is not limited thereto, and various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the present utility model, and the scope of the present utility model is defined by the appended claims.

Claims (10)

1. A vision-based PCB sorting apparatus, comprising:

-a first conveyor belt (100), the first conveyor belt (100) being adapted to transport PCBs to be sorted;

the storage device comprises a storage bin (200), wherein the storage bin (200) comprises a storage rack (210) and a first sliding rail (220) extending in the up-down direction, and the storage rack (210) is arranged on the first sliding rail (220) in a sliding manner and can reciprocate in the up-down direction; the storage rack (210) is used for stacking the PCBs to be sorted;

-a first robotic arm (300), said first robotic arm (300) being arranged above said magazine (200) and being adapted to take out said PCBs to be sorted from said magazine (200) and to be placed on said first conveyor belt (100);

a visual detection device (400), wherein the visual detection device (400) is arranged above the first conveyor belt (100) and vertically projects and falls between two ends of the first conveyor belt (100) in the length direction; -the visual inspection device (400) is used for identifying the PCBs to be sorted;

a plurality of second conveyor belts (500), the second conveyor belts (500) being disposed on the end side of the first conveyor belt (100);

a second robotic arm (600), the second robotic arm (600) disposed above the end of the first conveyor belt (100); the second robot arm (600) is used for taking out different PCBs to be sorted from the first conveyor belt (100) and placing the PCBs to be sorted on different second conveyor belts (500).

2. The vision-based PCB sorting apparatus of claim 1, further comprising a body (700), the body (700) having a plurality of bins (200) mounted thereon.

3. The vision-based PCB sorting apparatus of claim 2, wherein all the bins (200) are slidably disposed on the machine body (700) and can extend out of the machine body (700) or be housed within the machine body (700).

4. A vision-based PCB sorting apparatus according to claim 3, characterized in that the magazine (200) is provided with a handle (230).

5. The vision-based PCB sorting apparatus of claim 2, wherein the machine body (700) is further provided with a second slide rail (710), and the first robot arm (300) is slidably disposed on the second slide rail (710) so that the first robot arm (300) can move directly above each bin (200).

6. The vision-based PCB sorting apparatus of claim 2, wherein a third slide rail (720) is further provided on the machine body (700), and the vision detecting device (400) is slidably provided on the third slide rail (720) so that a vertical projection of the vision detecting device (400) on the first conveyor belt (100) can reciprocate in a width direction of the first conveyor belt (100).

7. The vision-based PCB sorting apparatus of claim 2, wherein a light pipe (730) is provided between the vision detecting device (400) and the first conveyor belt (100), the light pipe (730) being for illuminating the PCB to be sorted with light.

8. The vision-based PCB sorting apparatus of claim 7, wherein a fourth slide rail (740) is further provided on the body (700), the light pipe (730) being connected with an intermediate member slidably provided on the fourth slide rail (740) to enable the light pipe (730) to move closer to or farther from the first conveyor belt (100).

9. The vision-based PCB sorting apparatus of claim 8, wherein the light pipe (730) is rotatably connected with the intermediate piece such that the light ray irradiation angle of the light pipe (730) can be changed.

10. The vision-based PCB sorting apparatus of claim 1, wherein the end of the first robotic arm (300) and the end of the second robotic arm (600) are each provided with a detachable suction cup device.

Images