Visual inspection mechanism for long-strip-shaped fruits and vegetables

Abstract

The utility model relates to the technical field of visual inspection, in particular to a visual inspection mechanism for long-strip-shaped fruits and vegetables, which comprises a support assembly, a seam crossing V-belt assembly is mounted in the middle section of the support assembly and comprises a first V-belt assembly and a second V-belt assembly which are arranged side by side, and an inspection seam is formed between the first V-belt assembly and the second V-belt assembly. An upper side light source assembly is installed on the support assembly above the detection gap, an upper side camera assembly is installed on the support assembly above the upper side light source assembly, a lower side light source assembly is installed on the support assembly below the detection gap, and a lower side camera assembly is installed on the support assembly below the lower side light source assembly. The lower camera assembly is arranged on the lower portion of the support assembly close to the middle, and the upper camera assembly is arranged on the upper portion of the discharging side of the support assembly. Line scanning imaging is carried out on the long-strip-shaped fruit and vegetable materials in the upper left direction, the upper right direction, the lower left direction and the lower right direction, and surface defects of the fruit and vegetable materials can be judged and graded by combining a visual software algorithm.

Description

Technical Field

[0001] The utility model relates to the technical field of visual detection, in particular to a visual detection mechanism for long strip fruits and vegetables. Background Art

[0002] Currently, few sorting equipment on the market can perform both surface quality and weight inspection for long, strip-shaped fruits and vegetables through visual inspection. Even those that do have visual inspection capabilities typically focus solely on the upper surface, failing to provide 360° visual inspection of these materials. Visual inspection systems place high technical demands on companies, requiring significant talent and investment in R&D, which is challenging. Traditional grading equipment often obstructs the bottom or sides of fruits and vegetables, making it unsuitable for 360° visual image capture and failing to meet the requirements of visual inspection. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a visual inspection mechanism for long strips of fruits and vegetables.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a visual inspection mechanism for long strips of fruits and vegetables, including a bracket assembly, a middle section of the bracket assembly is equipped with a seam V-belt assembly, the seam V-belt assembly includes a first V-belt assembly and a second V-belt assembly arranged side by side, a detection gap is provided between the first V-belt assembly and the second V-belt assembly, an upper light source assembly is installed on the bracket assembly above the detection gap of the seam V-belt assembly, an upper camera assembly is installed on the bracket assembly above the upper light source assembly, a lower light source assembly is installed on the bracket assembly below the detection gap of the seam V-belt assembly, a lower camera assembly is installed on the bracket assembly below the lower light source assembly, the lower camera assembly is arranged near the middle of the lower part of the bracket assembly, and the upper camera assembly is arranged on the upper part of the discharge side of the bracket assembly.

[0005] Furthermore, the first V-belt assembly includes a first V-belt support plate, a first V-belt motor, a first V-belt bracket, a first V-belt driving shaft, a first V-belt driven shaft and a first V-belt. The first V-belt support plates are provided in two pieces and are connected to the bracket assembly. The tops of the two first V-belt support plates are connected to the first V-belt bracket. The first V-belt motor is installed on any first V-belt support plate. The output shaft of the first V-belt motor is connected to the first V-belt driving shaft. The first V-belt driven shaft parallel to the first V-belt driving shaft is installed on the two first V-belt support plates. The first V-belt is wound around the first V-belt driving shaft, the first V-belt driven shaft and the first V-belt bracket.

[0006] Furthermore, the second V-belt assembly includes a second V-belt support plate, a second V-belt motor, a second V-belt bracket, a second V-belt driving shaft, a second V-belt driven shaft and a second V-belt. The second V-belt support plate is provided in two pieces and is connected to the bracket assembly. The tops of the two second V-belt support plates are connected to the second V-belt bracket. A second V-belt motor is installed on any second V-belt support plate. The output shaft of the second V-belt motor is connected to the second V-belt driving shaft. A second V-belt driven shaft parallel to the second V-belt driving shaft is installed on the two second V-belt support plates. The second V-belt is wound around the second V-belt driving shaft, the second V-belt driven shaft and the second V-belt bracket.

[0007] Furthermore, the upper light source assembly includes an upper left light source mounting rod, an upper left light source, an upper right light source mounting rod and an upper right light source. The upper left light source is mounted on the upper left light source mounting rod and is located on the upper left side of the detection gap. The angle between the upper left light source mounting rod and the vertical direction is α. The upper right light source is mounted on the upper right light source mounting rod and is located on the upper right side of the detection gap. The angle between the upper right light source mounting rod and the vertical direction is β, and β<α. Both ends of the upper right light source mounting rod and the upper left light source mounting rod have a connector, and an adjustment slot is provided on the connector.

[0008] Furthermore, the lower light source assembly includes a lower left light source mounting rod, a lower left light source, a lower right light source mounting rod and a lower right light source. The lower left light source is mounted on the lower left light source mounting rod and is located on the lower left side of the detection gap. The angle between the lower left light source mounting rod and the vertical direction is γ. The lower right light source is mounted on the lower right light source mounting rod and is located on the lower right side of the detection gap. The angle between the lower right light source mounting rod and the vertical direction is δ, and δ>γ. Both ends of the lower right light source mounting rod and the lower left light source mounting rod have a second connector, and the second connector is provided with an adjustment slot.

[0009] Furthermore, the upper camera assembly includes an upper camera mounting frame and several upper cameras, the upper camera mounting frame includes an upper camera mounting plate and an upper camera connecting plate located at both ends of the upper camera mounting plate, the longitudinal section of the upper camera connecting plate is triangular and is connected to the bracket assembly through a connecting block, the upper camera mounting plate is connected to the inclined surface of the upper camera connecting plate, and the upper camera is installed on the upper camera mounting plate.

[0010] Furthermore, the lower camera assembly includes a lower camera mounting frame and several lower cameras, the lower camera mounting frame includes a lower camera mounting plate and a lower camera connecting plate located at both ends of the lower camera mounting plate, the longitudinal section of the lower camera connecting plate is triangular and is connected to the bracket assembly through connecting block 2, the lower camera mounting plate is connected to the inclined surface of the lower camera connecting plate, and the lower camera is installed on the lower camera mounting plate.

[0011] The beneficial effects of the utility model are:

[0012] The upper camera assembly, upper left light source, upper right light source, lower camera assembly, lower left light source and lower right light source of the utility model perform line scanning imaging of the long strip of fruit and vegetable materials in four directions: upper left, upper right, lower left and lower right. The line scanning imaging in the four directions can simultaneously generate a 3D model of the fruit and vegetable materials, which can be combined with visual software algorithms to determine surface defects of the fruit and vegetable materials and perform grading. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 It is a structural schematic diagram of the seam V-belt assembly in the utility model.

[0016] Figure 3 It is a distribution diagram of the camera component and the light source component in the present utility model.

[0017] In the figure: 1. Bracket assembly;

[0018] 2. Cross-gap V-belt assembly; 21. First V-belt assembly; 211. First V-belt support plate; 212. First V-belt motor; 213. First V-belt bracket; 214. First V-belt driving shaft; 215. First V-belt driven shaft; 216. First V-belt; 22. Second V-belt assembly; 221. Second V-belt support plate; 222. Second V-belt motor; 223. Second V-belt bracket; 224. Second V-belt driving shaft; 225. Second V-belt driven shaft; 226. Second V-belt;

[0019] 3. Upper side light source assembly; 30. Connector 1; 301. Adjustment slot 1; 31. Upper left light source mounting rod; 32. Upper left light source; 33. Upper right light source mounting rod; 34. Upper right light source;

[0020] 4. Upper camera assembly; 40. Connecting block 1; 41. Upper camera mounting bracket; 411. Upper camera mounting plate; 412. Upper camera connecting plate; 42. Upper camera;

[0021] 5. Lower side light source assembly; 50. Connector 2; 501. Adjustment slot 2; 51. Lower left light source mounting rod; 52. Lower left light source; 53. Lower right light source mounting rod; 54. Lower right light source;

[0022] 6. Lower camera assembly; 60. Connecting block 2; 61. Lower camera mounting bracket; 611. Lower camera mounting plate; 612. Lower camera connecting plate; 62. Lower camera. DETAILED DESCRIPTION

[0023] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] like Figure 1 and Figure 2 As shown, a visual inspection mechanism for long strips of fruits and vegetables includes a bracket assembly 1, which serves as the overall support. A seam V-belt assembly 2 is installed on the middle section of the bracket assembly 1. The seam V-belt assembly 2 includes a first V-belt assembly 21 and a second V-belt assembly 22 arranged side by side. A detection gap is provided between the first V-belt assembly 21 and the second V-belt assembly 22 for visual imaging on the lower side; an upper light source assembly 3 is installed on the bracket assembly 1 above the detection gap of the seam V-belt assembly 2, an upper camera assembly 4 is installed on the bracket assembly 1 above the upper light source assembly 3, a lower light source assembly 5 is installed on the bracket assembly 1 below the detection gap of the seam V-belt assembly 2, a lower camera assembly 6 is installed on the bracket assembly 1 below the lower light source assembly 5, the lower camera assembly 6 is arranged near the middle of the lower part of the bracket assembly 1, and the upper camera assembly 4 is arranged on the upper part of the discharge side of the bracket assembly 1.

[0027] like Figure 1 and Figure 3 As shown, the first V-belt assembly 21 includes a first V-belt support plate 211, a first V-belt motor 212, a first V-belt bracket 213, a first V-belt driving shaft 214, a first V-belt driven shaft 215 and a first V-belt 216. The first V-belt support plate 211 is provided with two pieces and is connected to the bracket assembly 1. The tops of the two first V-belt support plates 211 are connected to the first V-belt bracket 213. The first V-belt motor 212 is installed on any first V-belt support plate 211. The output shaft of the first V-belt motor 212 is connected to the first V-belt driving shaft 214. The first V-belt driven shaft 215 parallel to the first V-belt driving shaft 214 is installed on the two first V-belt support plates 211. The first V-belt 216 is wound around the first V-belt driving shaft 214, the first V-belt driven shaft 215 and the first V-belt bracket 213.

[0028] like Figure 1 and Figure 3 As shown, the second V-belt assembly 22 includes a second V-belt support plate 221, a second V-belt motor 222, a second V-belt bracket 223, a second V-belt driving shaft 224, a second V-belt driven shaft 225 and a second V-belt 226. The second V-belt support plate 221 is provided with two pieces and is connected to the bracket assembly 1. The tops of the two second V-belt support plates 221 are connected to the second V-belt bracket 223. A second V-belt motor 222 is installed on any second V-belt support plate 221. The output shaft of the second V-belt motor 222 is connected to the second V-belt driving shaft 224. A second V-belt driven shaft 225 parallel to the second V-belt driving shaft 224 is installed on the two second V-belt support plates 221. The second V-belt 226 is wound around the second V-belt driving shaft 224, the second V-belt driven shaft 225 and the second V-belt bracket 223.

[0029] like Figure 1 and Figure 3 As shown, the upper light source assembly 3 includes an upper left light source mounting rod 31, an upper left light source 32, an upper right light source mounting rod 33 and an upper right light source 34. The upper left light source 32 is mounted on the upper left light source mounting rod 31 and is located on the upper left side of the detection gap. The angle between the upper left light source mounting rod 31 and the vertical direction is α. The upper right light source 34 is mounted on the upper right light source mounting rod 33 and is located on the upper right side of the detection gap. The angle between the upper right light source mounting rod 33 and the vertical direction is β, and β<α. Both ends of the upper right light source mounting rod 33 and the upper left light source mounting rod 31 have a connector 30, and the connector 30 is provided with an adjustment slot 301.

[0030] like Figure 1 and Figure 3As shown, the lower light source assembly 5 includes a lower left light source mounting rod 51, a lower left light source 52, a lower right light source mounting rod 53 and a lower right light source 54. The lower left light source 52 is mounted on the lower left light source mounting rod 51 and is located on the lower left side of the detection gap. The angle between the lower left light source mounting rod 51 and the vertical direction is γ. The lower right light source 54 is mounted on the lower right light source mounting rod 53 and is located on the lower right side of the detection gap. The angle between the lower right light source mounting rod 53 and the vertical direction is δ, and δ>γ. Both ends of the lower right light source mounting rod 53 and the lower left light source mounting rod 51 have a second connector 50, and the second connector 50 is provided with an adjustment slot 2 501.

[0031] like Figure 1 and Figure 3 As shown, the upper camera assembly 4 includes an upper camera mounting frame 41 and a plurality of upper cameras 42. The upper camera mounting frame 41 includes an upper camera mounting plate 411 and upper camera connecting plates 412 located at both ends of the upper camera mounting plate 411. The upper camera connecting plate 412 has a triangular longitudinal section and is connected to the bracket assembly 1 through a connecting block 40. The upper camera mounting plate 411 is connected to the inclined surface of the upper camera connecting plate 412. The upper cameras 42 are mounted on the upper camera mounting plate 411. Figure 1 : A distribution structure of several upper side cameras 42 is shown in FIG: the two upper side cameras 42 in the middle are close to each other and are arranged axially symmetrically, and the remaining upper side cameras 42 are distributed at equal intervals.

[0032] like Figure 1 and Figure 3 As shown, the lower camera assembly 6 includes a lower camera mounting frame 61 and a plurality of lower cameras 62. The lower camera mounting frame 61 includes a lower camera mounting plate 611 and lower camera connecting plates 612 located at both ends of the lower camera mounting plate 611. The lower camera connecting plate 612 has a triangular longitudinal section and is connected to the bracket assembly 1 through a second connecting block 60. The lower camera mounting plate 611 is connected to the inclined surface of the lower camera connecting plate 612. The lower cameras 62 are mounted on the lower camera mounting plate 611. Figure 1 : A distribution structure of several lower side cameras 62 is shown in FIG: the two lower side cameras 62 in the middle are close to each other and are arranged axially symmetrically, and the remaining lower side cameras 62 are distributed at equal intervals.

[0033] Specific working process: long strips of fruit and vegetable materials are conveyed forward through the visual inspection mechanism. When they reach the inspection gap between the first V-belt assembly 21 and the second V-belt assembly 22 of the seam V-belt assembly 2, the upper camera 42, the upper left light source 32, the upper right light source 34, the lower camera 62, the lower left light source 52, and the lower right light source 54 perform line scanning imaging of the fruit and vegetable materials in four directions: upper left, upper right, lower left, and lower right. The surface defects of the fruit and vegetable materials can be determined and graded through the visual software algorithm. The line scanning imaging in four directions can also generate a 3D model of the fruit and vegetable materials. The visual algorithm calculates the volume of the fruit and vegetable materials, and calculates the quality data through the volume and density of the fruit and vegetable materials. The fruit and vegetable materials are graded according to different quality ranges. At this point, the visual inspection mechanism records the appearance and quality data of the fruit and vegetable materials, and the fruit and vegetable materials continue to be conveyed forward through the seam V-belt assembly 2.

[0034] The above description only describes the specific implementation methods of the utility model. Various examples do not limit the essential content of the utility model. Ordinary technicians in the relevant technical field can make modifications or deformations to the specific implementation methods described above after reading the description without departing from the essence and scope of the utility model.

Claims

1. A visual inspection mechanism for long strips of fruits and vegetables, comprising a support assembly (1), characterized in that: A cross-seam V-belt assembly (2) is installed in the middle section of the support assembly (1). The cross-seam V-belt assembly (2) comprises a first V-belt assembly (21) and a second V-belt assembly (22) arranged side by side. A detection gap is provided between the first V-belt assembly (21) and the second V-belt assembly (22). An upper light source assembly (3) is installed on the support assembly (1) above the detection gap of the cross-seam V-belt assembly (2). An upper camera assembly (4) is installed on the support assembly (1) above the upper light source assembly (3). A lower light source assembly (5) is installed on the support assembly (1) below the detection gap of the cross-seam V-belt assembly (2). A lower camera assembly (6) is installed on the support assembly (1) below the lower light source assembly (5). The lower camera assembly (6) is arranged near the middle of the lower part of the support assembly (1). The upper camera assembly (4) is arranged on the upper part of the discharge side of the support assembly (1).

2. The visual inspection mechanism for long strips of fruits and vegetables according to claim 1, characterized in that: The first V-belt assembly (21) comprises a first V-belt support plate (211), a first V-belt motor (212), a first V-belt bracket (213), a first V-belt driving shaft (214), a first V-belt driven shaft (215) and a first V-belt (216). Two first V-belt support plates (211) are provided and connected to the bracket assembly (1). The tops of the two first V-belt support plates (211) are connected to the first V-belt bracket (213). A first V-belt motor (212) is mounted on the belt support plate (211); an output shaft of the first V-belt motor (212) is connected to a first V-belt driving shaft (214); a first V-belt driven shaft (215) parallel to the first V-belt driving shaft (214) is mounted on the two first V-belt support plates (211); and the first V-belt (216) is wound around the first V-belt driving shaft (214), the first V-belt driven shaft (215) and the first V-belt bracket (213).

3. The visual inspection mechanism for long strips of fruits and vegetables according to claim 1, characterized in that: The second V-belt assembly (22) comprises a second V-belt support plate (221), a second V-belt motor (222), a second V-belt bracket (223), a second V-belt driving shaft (224), a second V-belt driven shaft (225) and a second V-belt (226). The second V-belt support plate (221) is provided with two pieces and is connected to the bracket assembly (1). The tops of the two second V-belt support plates (221) are connected to the second V-belt bracket (223). A second V-belt motor (222) is mounted on the belt support plate (221); an output shaft of the second V-belt motor (222) is connected to a second V-belt driving shaft (224); a second V-belt driven shaft (225) parallel to the second V-belt driving shaft (224) is mounted on the two second V-belt support plates (221); and the second V-belt (226) is wound around the second V-belt driving shaft (224), the second V-belt driven shaft (225) and the second V-belt bracket (223).

4. The visual inspection mechanism for long strips of fruits and vegetables according to claim 1, characterized in that: The upper light source assembly (3) comprises an upper left light source mounting rod (31), an upper left light source (32), an upper right light source mounting rod (33) and an upper right light source (34); the upper left light source (32) is mounted on the upper left light source mounting rod (31) and is located on the upper left side of the detection gap; the angle between the upper left light source mounting rod (31) and the vertical direction is α; the upper right light source (34) is mounted on the upper right light source mounting rod (33) and is located on the upper right side of the detection gap; the angle between the upper right light source mounting rod (33) and the vertical direction is β, and β<α; both ends of the upper right light source mounting rod (33) and the upper left light source mounting rod (31) are provided with a connector (30); and the connector (30) is provided with an adjustment slot (301).

5. The visual inspection mechanism for long strips of fruits and vegetables according to claim 1, characterized in that: The lower light source assembly (5) comprises a lower left light source mounting rod (51), a lower left light source (52), a lower right light source mounting rod (53) and a lower right light source (54); the lower left light source (52) is mounted on the lower left light source mounting rod (51) and is located at the lower left side of the detection gap; the angle between the lower left light source mounting rod (51) and the vertical direction is γ; the lower right light source (54) is mounted on the lower right light source mounting rod (53) and is located at the lower right side of the detection gap; the angle between the lower right light source mounting rod (53) and the vertical direction is δ, and δ>γ; both ends of the lower right light source mounting rod (53) and the lower left light source mounting rod (51) are provided with a second connector (50); and the second connector (50) is provided with a second adjustment slot (501).

6. The visual inspection mechanism for long strips of fruits and vegetables according to claim 1, characterized in that: The upper camera assembly (4) includes an upper camera mounting frame (41) and a plurality of upper cameras (42). The upper camera mounting frame (41) includes an upper camera mounting plate (411) and upper camera connecting plates (412) located at both ends of the upper camera mounting plate (411). The upper camera connecting plate (412) has a triangular longitudinal section and is connected to the bracket assembly (1) through a connecting block (40). The upper camera mounting plate (411) is connected to the inclined surface of the upper camera connecting plate (412), and the upper cameras (42) are mounted on the upper camera mounting plate (411).

7. The visual inspection mechanism for long strips of fruits and vegetables according to claim 1, characterized in that: The lower camera assembly (6) includes a lower camera mounting frame (61) and a plurality of lower cameras (62). The lower camera mounting frame (61) includes a lower camera mounting plate (611) and lower camera connecting plates (612) located at both ends of the lower camera mounting plate (611). The longitudinal section of the lower camera connecting plate (612) is triangular and is connected to the bracket assembly (1) through a second connecting block (60). The lower camera mounting plate (611) is connected to the inclined surface of the lower camera connecting plate (612), and the lower cameras (62) are mounted on the lower camera mounting plate (611).

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