TWM619612U - Backlight visual positioning system - Google Patents

Abstract

A backlight visual positioning system includes at least one backlight source, a conveying roller group and a platform. The backlight source is arranged under the conveying roller group, and the conveying roller group is arranged under or overlapping the platform. The conveying roller group has a plurality of conveying rollers, The conveying rollers protrude from the bearing surface of the platform, and the platform can provide uniform light and support effects, so that the light is uniform and there is no light and shadow. These conveying rollers can convey the board to the platform, so that the image capture device (CCD) set on the top of the platform can be used to capture the image of the board to accurately identify the position of the board, and it can be picked up by the pick-and-place device The board is placed in a predetermined position. As a result, the plate can be accurately positioned, and no grinding plate will be produced.

Description

Backlight visual positioning system

The invention relates to a backlight visual positioning system, and in particular to a backlight visual positioning system that can enhance features through auxiliary illumination, so that the image capturing device can capture the image of the board.

The conveying mechanism can be used to convey the plate, but the plate needs to be completed when the plate is transported to a predetermined position. During the positioning of the entire plate, it is easy to produce a grinding plate, which will also lead to an increase in cost. Existing machine vision systems for panel positioning need to use an image capture device (CCD) to capture images of the panel, and a light source must be provided for supplemental light, and the features are enhanced through auxiliary lighting. The light source (positive light source) is usually set above the board, and a platform needs to be installed beside the conveying mechanism. When the conveying mechanism sends the board, the board needs to be transferred to the platform for image capture The work of the positive light source, and the fill light method of the positive light source, the type of sheet will also be limited. In addition, if the backlight is used to fill light, the backlight is irradiated on the conveying mechanism, and the light cannot be uniformly irradiated on the plate, and light and shadow will be generated.

The technical problem to be solved in this creation is to provide a backlight visual positioning system for the shortcomings of the existing technology, which can simplify the process of plate positioning, does not need to perform the whole plate, is not easy to produce grinding plates, can reduce the cost, and can make the light uniform. When irradiated on the plate, there will be no light and shadow, which can have a better image capturing effect.

In order to solve the above technical problems, the present creation provides a backlight visual positioning system, which includes: at least one backlight source, which can generate light and illuminate upward; a conveying roller group, the backlight source is arranged under the conveying roller group, The conveying roller set has a plurality of conveying rollers; and a platform, the platform is light-transmissive, the platform is arranged above or overlapping the conveying roller set, the platform has a bearing surface, and the conveying rollers protrude from the platform The bearing surface; wherein the conveying roller set can convey the plate to the bearing surface of the platform, and the light generated by the backlight can be irradiated on the platform, and uniformly irradiated on the plate through the platform.

Preferably, the platform is close to the backlight source, and the distance between the backlight source and the platform is less than 10 cm.

Preferably, the distance between the backlight source and the platform is 3 to 5 cm.

Preferably, the conveying rollers are light-transmissive.

[Beneficial effects of the embodiment]

The beneficial effect of this creation is that the backlight visual positioning system provided by this creation includes a backlight source, a conveying roller set and a platform. The backlight source is arranged under the conveying roller set. The conveying roller set has a plurality of conveying rollers, and the platform is translucent. , The platform is arranged above or overlaps the conveying roller set, these conveying rollers protrude from the bearing surface of the platform, the conveying roller set can convey the plate to the bearing surface of the platform, the light generated by the backlight can irradiate on the platform, and Evenly irradiate the panel through the platform, and when the image capture device captures the image of the panel, the position of the panel can be accurately identified.

In this creation, the plate can be directly transported to the platform by the conveying roller group, and the operation of image capture can be carried out, which can simplify the process of plate positioning, does not need to complete the plate, is not easy to produce the plate, and can also reduce the cost. This creation uses the backlight method to fill light, the types of plates are not limited, and it is more convenient to use, and the platform of this creation can provide support and the effect of light uniformity, so that the light is evenly irradiated on the panels, and there is no light and shadow. , Can have a better image capture effect.

In order to further understand the features and technical content of this creation, please refer to the following detailed descriptions and drawings about this creation. However, the drawings provided are only for reference and explanation, and are not used to limit this creation.

The following are specific specific examples to illustrate the related implementations disclosed in this creation, and those skilled in the art can understand the advantages and effects of this creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of this creation. In addition, the drawings of this creation are merely schematic illustrations, and are not depicted in actual size, and are stated in advance. The following implementations will further describe the related technical content of this creation in detail, but the disclosed content is not intended to limit the scope of protection of this creation. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

[Example]

Please refer to FIGS. 1 to 4, this creation provides a backlight visual positioning system, which includes at least one backlight source 1, a conveying roller set 2 and a platform 3. The backlight source 1 can be provided with one or more. In this embodiment, there are multiple backlight sources 1. The backlight sources 1 can be arranged at intervals or in close proximity. The number and arrangement of the backlight sources 1 are not limited. , The backlight sources 1 can generate light and illuminate upward. In this embodiment, the backlight sources 1 are all in the shape of a square plate, the backlight sources 1 are arranged at intervals, and the backlight sources 1 are located at the same level. In addition, in another embodiment of the present creation, a dimmable backlight source 1 can also be used. When the captured image is not clear, the light can be automatically adjusted to make the captured image clearer.

The conveying roller set 2 is located above the backlight sources 1, so that the backlight sources 1 are arranged under the conveying roller set 2, and the conveying roller set 2 is arranged under the platform 3, and the backlight source 1 can enhance the backlight type light source. The conveying roller set 2 has a plurality of conveying rollers 21, the conveying rollers 21 protrude from the top surface (loading surface 31) of the platform 3, and the height of the conveying rollers 21 protruding from the platform 3 is not limited, as long as it can be used Just touch the board. Specifically, the conveying roller set 2 may have a plurality of transmission shafts 22, the transmission shafts 22 are arranged at intervals, and the transmission shafts 22 may be parallel to each other, and the conveyance rollers 21 are respectively arranged on the transmission shafts 22 , The conveying rollers 21 can rotate synchronously with the transmission shafts 22. The two ends of the transmission shafts 22 can be pivoted on the two support rods 23 respectively, and the two support rods 23 are arranged at intervals, and the two support rods 23 can be parallel to each other. The conveying roller set 2 can also have a power source 24, which can be a motor, etc., and the power source 24 can be connected to the drive shafts 22 through a transmission mechanism 25 (such as a belt set), so the power source can be used 24 drives the transmission mechanism 25 to operate, and then drives the transmission shafts 22 and the conveying rollers 21 to rotate for conveying the plate to move.

The conveying rollers 21 can be made of light-transmitting material, so that the conveying rollers 21 have light-transmitting properties. In this embodiment, each conveying roller 21 may include a roller body 211, an outer ring body 212, and two side plates 213 (as shown in FIG. 5). The roller body 211 is a round wheel body, and the roller body 211 sets Set fixed on the transmission shaft 22, the outer ring body 212 is a circular ring body, the outer ring body 212 is sleeved outside the roller body 211, the two side plates 213 are sleeved and fixed on the transmission shaft 22, and the two side plates 213 are respectively located Both sides of the roller body 211, the roller body 211, the outer ring body 212, and the side plate 213 can be made of light-transmitting materials.

The platform 3 can be made of light-guiding material. The platform 3 is light-transmissive. The platform 3 is a plate-shaped body. In this embodiment, the platform 3 is a square plate-shaped body. Preferably, the platform 3 is a plate-shaped body. Plate body of equal thickness. The platform 3 can be arranged above the conveying roller set 2, and the platform 3 can also overlap the conveying roller set 2. The platform 3 has a bearing surface 31, which is located on the top surface of the platform 3, and the bearing surface 31 is relatively larger. It is preferably a flat surface. The bearing surface 31 can be used to place the board. When the light from the backlight 1 is irradiated on the platform 3, the light can be evenly transmitted to the bearing surface 31 of the platform 3, so that the bearing surface 31 placed on the platform 3 The plates on the surface 31 receive light uniformly, so that the platform 3 can provide uniform light and support effects, and the platform 3 can also block the high temperature generated by the backlight source 1 to prevent the high temperature from affecting the plates. Preferably, the platform 3 is close to the backlight source 1, so that the light can be more uniform. Preferably, the distance between the backlight source 1 and the platform 3 is less than 10 cm, and the distance between the backlight source 1 and the platform 3 is preferably 3 to 5 cm. Making the backlight source 1 closer to the platform 3 can have a better uniform light effect.

In this embodiment, the platform 3 is provided with a plurality of perforations 32 at intervals, and the perforations 32 pass through both sides of the platform 3, that is, the perforations 32 pass through the bearing surface 31 (top surface) and the bottom surface of the platform 3. The perforations 32 may be square holes, but are not limited. The perforations 32 correspond to the conveying rollers 21 respectively, so that the conveying rollers 21 can protrude from the bearing surface 31 of the platform 3 through the perforations 32 respectively. The top surface), so when the conveying rollers 21 rotate, the conveying plate can move. In this embodiment, the area of the bearing surface 31 of the platform 3 is smaller than the area where the conveying rollers 21 are distributed, that is, only part of the conveying rollers 21 correspond to the platform 3, and the other part of the conveying rollers 21 are One end (front end) of the platform 3 is exposed. However, the area of the bearing surface 31 of the platform 3 is not limited, and can be increased or decreased according to needs. The area of the bearing surface 31 of the platform 3 can be changed according to the area of the supported plate .

In this embodiment, a support frame 6 can be arranged under the platform 3, and the support frame 6 can be fixed in an appropriate position. The support frame 6 can have a plurality of support parts 61, and the support parts 61 are arranged at intervals The supporting parts 61 extend upward to form an upright shape. The upper ends of the supporting parts 61 can abut or penetrate through the platform 3 to support the platform 3 so that the platform 3 can be firmly positioned.

The conveying rollers 21 can convey the board to the platform 3, and then an image capturing device 4 (as shown in FIG. 6) arranged on the platform 3 can be used to capture the image of the board, and the image recognition software can be used for detection. The image capturing device 4 can be CCD or CMOS. At least one image capturing device 4 is provided. The number of image capturing devices 4 is not limited. For example, two or more image capturing devices 4 can be provided. To photograph the diagonal position of the plate, etc. One side of the platform 3 can also be provided with a pick-and-place device 5, the pick-and-place device 5 can be a robotic arm, etc., when the board is finished capturing images, the pick-and-place device 5 can be used to take out the board placed on the platform 3 Pieces.

The conveying roller set 2 of this creation can convey the plate to a predetermined position on the bearing surface 31 of the platform 3, so that the platform 3 can support the plate, and the backlight 1 can irradiate light upward so that the light shines on the platform 3 and passes through The platform 3 is uniformly irradiated on the panel to enhance the features through auxiliary illumination, and then the image capturing device 4 arranged above the platform 3 can be used to capture the image of the panel to accurately identify the position of the panel. The pick-and-place device 5 grabs the board and places it at a predetermined position. The image capturing device 4 captures the image of the board, and performs detection with image recognition software, which can perform positioning, inspection, measurement, and identification in a timely manner during the production process.

[Beneficial effects of the embodiment]

The beneficial effect of this creation is that the backlight visual positioning system provided by this creation includes a backlight source, a conveying roller set and a platform. The backlight source is arranged under the conveying roller set. The conveying roller set has multiple conveying rollers and the platform has light transmission. The platform is arranged above or overlapping the conveying roller set. The conveying rollers protrude from the bearing surface of the platform. The conveying roller set can convey the plate to the bearing surface of the platform. The light generated by the backlight can irradiate the platform, And evenly irradiate the plate through the platform, when the image capturing device captures the image of the plate, the position of the plate can be accurately identified.

In this creation, the plate can be directly transported to the platform by the conveying roller group, and the operation of image capture can be carried out, which can simplify the process of plate positioning, does not need to complete the plate, is not easy to produce the plate, and can also reduce the cost. This creation uses the backlight method to fill light, the types of plates are not limited, and it is more convenient to use, and the platform of this creation can provide support and the effect of light uniformity, so that the light is evenly irradiated on the panels, and there is no light and shadow. , Can have a better image capture effect.

The content disclosed above is only a preferred and feasible embodiment of this creation, and does not limit the scope of patent application for this creation. Therefore, all equivalent technical changes made using this creation specification and schematic content are included in the application for this creation. Within the scope of the patent.

1: Backlight 2: Conveying roller set 21: Conveying roller 211: Roller body 212: Outer Ring Body 213: Side Panel 22: drive shaft 23: support rod 24: power source 25: Transmission mechanism 3: platform 31: Bearing surface 32: Piercing 4: Image capture device 5: Pick and place device 6: Support frame 61: Support

Figure 1 is a three-dimensional view of the creative backlight visual positioning system.

Figure 2 is a perspective view of the creative backlight visual positioning system from another angle.

Figure 3 is a three-dimensional exploded view of the creative backlight visual positioning system.

Fig. 4 is a sectional view taken along the line IV-IV in Fig. 1.

Figure 5 is a three-dimensional exploded view of the creative conveying roller.

Figure 6 is a schematic diagram of a creative backlight visual positioning system with an image capture device and a pick-and-place device.

1: Backlight

2: Conveying roller set

21: Conveying roller

211: Roller body

212: Outer Ring Body

213: Side Panel

22: drive shaft

23: Support frame

3: platform

31: Bearing surface

32: Piercing

6: Support frame

61: Support

Claims (10)

A backlight visual positioning system, including: At least one backlight source, which can generate light and illuminate upward; A conveying roller set, the backlight source is arranged below the conveying roller set, the conveying roller set has a plurality of conveying rollers; and A platform, the platform is light-transmissive, the platform is arranged above or overlapping the conveying roller set, the platform has a bearing surface, and the conveying rollers protrude from the bearing surface of the platform; The conveying roller set can convey the plate to the bearing surface of the platform, and the light generated by the backlight can irradiate the platform, and evenly irradiate the plate through the platform. The backlight visual positioning system according to claim 1, wherein the platform is close to the backlight source, and the distance between the backlight source and the platform is less than 10 cm. The backlight visual positioning system according to claim 2, wherein the distance between the backlight source and the platform is 3 to 5 cm. The backlight visual positioning system according to claim 1, wherein the conveying rollers are light-transmissive. The backlight visual positioning system according to claim 1, wherein each of the conveying rollers includes a roller body, an outer ring body and two side plates, the roller body is fixed on a transmission shaft, and the outer ring body is sleeved on the Outside the roller body, the two side plates are fixed on the transmission shaft, and the two side plates are respectively located on both sides of the roller body, and the roller body, outer ring body and two side plates of each conveying roller are made of light-transmitting material. The backlight visual positioning system according to claim 1, wherein multiple backlight sources are provided, the backlight sources are arranged at intervals or in close proximity, and the backlight sources are located at the same level. The backlight visual positioning system according to claim 1, wherein a support frame is provided under the platform, the support frame has a plurality of support parts, and the upper ends of the support parts abut or penetrate the platform to support the platform . The backlight visual positioning system according to claim 1, wherein the platform is provided with a plurality of perforations at intervals, and the perforations are respectively corresponding to the conveying rollers, so that the conveying rollers protrude from the conveying rollers through the perforations. The bearing surface of the platform. The backlight visual positioning system according to claim 1, wherein the platform is a plate-shaped body, the platform is a plate of equal thickness, and the area of the bearing surface of the platform is smaller than the distribution area of the conveying rollers. The backlight visual positioning system according to claim 1, wherein at least one image capturing device is arranged above the platform, and the image capturing device can capture the image of the board to identify the position of the board. A pick-and-place device is arranged on one side, and when the board is finished capturing images, the pick-and-place device can be used to take out the board placed on the bearing surface of the platform.

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