Apple internal and external quality detection device with embedded chain type rectangular guide rail
Through the Apple quality detection device combined with an embedded chain rectangular guide rail conveyor mechanism and a binocular camera, the problem of unstable detection accuracy caused by positioning deviation and posture differences is solved, and high-precision automatic detection of Apple's internal and external quality is achieved.
Patent Information
- Application Number
- CN202510753608.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-06
- Publication Date
- 2025-07-25
AI Technical Summary
The existing Apple quality inspection devices fluctuate greatly due to factors such as positioning deviation of the conveyor mechanism, Apple placement posture and individual size differences, especially the internal quality inspection is unstable.
The embedded chain rectangular guide rail conveyor is used to obtain Apple image information in real time with the binocular camera, calculate Apple's three-dimensional coordinates through coordinate transformation, and adjust the position of the detection module using the X, Y, and Z axis motion modules to ensure Apple's internal and external quality inspection in the best detection environment.
It achieves high accuracy and stability of Apple's internal and external quality inspections, improves detection performance, reduces human intervention, and improves detection accuracy.
Smart Images

Figure CN120369644A_ABST
Abstract
Description
Technical Field
[0001] This patent relates to the technical field of apple quality detection, and particularly to an apple internal and external quality detection device with an embedded chain-type rectangular guide rail. Background Art
[0002] With the improvement of residents' living quality, the market's requirements for apple quality are becoming increasingly strict, which also promotes the development of apple quality detection equipment towards high precision. Apple quality detection covers two major dimensions: external and internal. External quality detection relies on vision technology to analyze appearance features, and internal quality detection mainly depends on spectral technology. However, affected by factors such as positioning deviation of the conveying mechanism, apple placement posture, and individual size differences, the detection accuracy fluctuates greatly. Therefore, an apple internal and external quality detection device with an embedded chain-type rectangular guide rail has emerged. This device can dynamically calibrate the spatial coordinates of the detection device according to the center position of the apple, and improve the detection accuracy by eliminating position errors, providing theoretical support and practical reference for building a more perfect apple quality detection system, and having significant practical application value. Summary of the Invention
[0003] The purpose of this patent is to obtain apple image information in real time through a binocular camera, calculate the three-dimensional coordinate information of the apple in the world coordinate system through coordinate transformation. The motion module can calculate and compare according to the three-dimensional coordinate information of the apple and the preset optimal detection position information, adjust the position of the apple internal and external quality detection module, provide the best detection environment for image detection and spectral detection, realize high-precision detection of apple internal and external quality, and change the problem that the detection module position of the previous apple internal and external quality detection device is fixed, resulting in unstable performance and low accuracy.
[0004] To achieve the above object, the technical solution adopted in this patent is an inlaid chain-type rectangular guide rail apple internal and external quality detection device, which consists of three parts: a frame (1), an inlaid chain-type rectangular guide rail conveying mechanism (2), and an apple internal and external quality detection box (3); among them: the inlaid chain-type rectangular guide rail conveying mechanism (2) is composed of an apple (201), an apple tray (202), an inlaid chain track (203), a chain (204), a sprocket (205), a flat key (206), a stepping motor (207), a capacitive proximity sensor (208), and a side bending chain plate (209); the apple internal and external quality detection box (3) is composed of an X-axis motion module (301), a controller (302), a Y-axis motion module (303), a spectrometer (304), a Z-axis motion module (305), a support plate (306), a lighting lamp (307), a box body (308), a fixing block (309), a halogen lamp (310), an optical fiber probe (311), a binocular camera (312), an L-shaped connecting plate (313), and a cross-shaped connecting plate (314); the X-axis motion module (301) is composed of a servo motor (3011), a motor flange (3012), a coupling (3013), a ball screw support seat (3014), a ball screw (3015), a guide rail (3016), a carrier table (3017), and a base (3018); the structures of the X-axis motion module (301), the Y-axis motion module (303), and the Z-axis motion module (305) are exactly the same; the halogen lamp (310), the optical fiber probe (311), and the binocular camera (312) are all installed on the fixing block (309), the halogen lamp (310) is on the top, the optical fiber probe (311) is in the middle, the binocular camera (312) is at the bottom, the fixing block (309) is fixed on the carrier table of the Z-axis motion module (305), the base of the Z-axis motion module (305) is fixed on the carrier table of the Y-axis motion module (303) through the L-shaped connecting plate (313), the base of the Y-axis motion module (303) is fixed on the carrier table of the X-axis motion module (301) through the cross-shaped connecting plate (314), and the base of the X-axis motion module (301) is fixed on the frame (1) through the support plate (306).
[0005] In the described inlaid chain-type rectangular guide rail apple internal and external quality detection device, it is characterized in that: the lighting lamp (307) is installed at the top of the box body (308) and is placed between the apple tray (202) and the Z-axis motion module (305).
[0006] In the described inlaid chain-type rectangular guide rail apple internal and external quality detection device, it is characterized in that: the capacitive proximity sensor (208) is installed in the middle of the box body, and the installation height is between the apple trays (202).
[0007] The described inlaid chain - type rectangular guide apple internal and external quality detection device is characterized in that: both the apple tray (202) and the side - bending chain plate (209) are provided with two through - holes, and they are connected by rivets; when the apple tray (202) is transported to the middle part of the apple internal and external quality detection box (3) and stops, there is only one apple tray (202) within the field of view of the binocular camera (312).
[0008] The beneficial effects of this patent are as follows: This device can automatically acquire apple images, identify the world coordinate information of the center position of the apple, compare with the preset optimal detection position, and adjust the position of the detection module through the motion module, so that the detection module is in the best detection environment, improving the stability of the detection performance of the detection module, and further improving the detection accuracy of the internal and external quality of the apple without manual intervention. Brief Description of the Drawings
[0009] Figure 1 It is the front - view structural schematic diagram of this patent.
[0010] Figure 2 It is the A - A cross - sectional structural schematic diagram of this patent.
[0011] Figure 3 It is the B - B cross - sectional structural schematic diagram of this patent.
[0012] Figure 4 It is the enlarged structural schematic diagram of the C area of this patent.
[0013] Figure 5 It is the structural schematic diagram of the X - axis motion module of this patent. Detailed Description of the Invention
[0014] The present patent will be described in detail below with reference to the accompanying drawings.
[0015] Such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5, this device consists of three parts: a frame (1), an embedded chain rectangular guide rail conveying mechanism (2), and an apple internal and external quality inspection box (3); among them: the embedded chain rectangular guide rail conveying mechanism (2) is composed of apples (201), apple trays (202), embedded chain tracks (203), chains (204), sprockets (205), flat keys (206), stepper motors (207), capacitive proximity sensors (208), and side-bending chain plates (209); the apple internal and external quality inspection box (3) is composed of an X-axis motion module (301), a controller (302), a Y-axis motion module (303), a spectrometer (304), a Z-axis motion module (305), a support plate (306), a lighting lamp (307), a box body (308), a fixing block (309), a halogen lamp (310), an optical fiber probe (311), a binocular camera (312), an L-shaped connecting plate (313), and a cross-shaped connecting plate (314); the X-axis motion module (301) is composed of a servo motor (3011), a motor flange (3012), a coupling (3013), a ball screw support seat (3014), a ball screw (3015), a guide rail (3016), a carrier table (3017), and a base (3018); the X-axis motion module (301), the Y-axis motion module (303), and the Z-axis motion module (305) have exactly the same structure.
[0016] As shown in the attached drawings, when starting the device, the present device is controlled via the controller (302), and the lighting lamp (307) lights up accordingly. Place an apple randomly on the apple tray (202), and the controller (302) will drive the stepper motor (207) to start rotating, and the apple tray (202) on the traction chain (204) will slowly move into the apple internal and external quality inspection box (3). When the apple tray (202) reaches the position of the capacitive proximity sensor (208), the capacitive proximity sensor (208) immediately captures the signal. After receiving the signal, the controller (302) quickly instructs the stepper motor (207) to stop rotating, and simultaneously turns on the binocular camera (312) to collect the image information of the apple, and accurately transmits this image data to the controller (302). The controller (302) accurately analyzes the apple image information based on the external image information of the apple, and locks the world coordinates of the center position of the apple. Once the world coordinates of the center position of the apple are determined, the controller (302) accurately drives the X-axis motion module (301), Y-axis motion module (303), and Z-axis motion module (305) to operate in coordination, and intelligently and adaptively adjusts the orientations of the halogen lamp (310), fiber optic probe (311), and binocular camera (312) to accurately position them at the best detection points. After the position is accurately adjusted, turn on the binocular camera (312) to comprehensively analyze the external quality of the apple, successfully complete the detection process of the external quality of the apple, then turn off the lighting lamp (307), and orderly start the spectrometer (304), halogen lamp (310), and fiber optic probe (311). At this time, the halogen lamp (310) stably emits near-infrared light, evenly irradiating the outer surface of the apple. The fiber optic probe (311) sensitively receives the near-infrared light reflected from the apple skin and efficiently transmits these optical signals to the spectrometer (304). The spectrometer (304), relying on its high-precision spectral splitting ability, finely separates the received reflected near-infrared light according to different wavelengths, deeply analyzes the spectral characteristics, generates a detailed spectral chart, clearly presents the intensity changes of light at each wavelength, and finally accurately transmits these key analysis data to the controller (302). The controller deeply analyzes the spectral data, thereby accurately completing the detection task of the internal quality of the apple.
Claims
1. An apple internal and external quality detection device with an embedded chain-type rectangular guide rail, characterized by consisting of: It is composed of three parts: a frame (1), an embedded chain-type rectangular guide rail conveying mechanism (2), and an apple internal and external quality inspection box (3); among them: the embedded chain-type rectangular guide rail conveying mechanism (2) is composed of an apple (201), an apple tray (202), an embedded chain track (203), a chain (204), a sprocket (205), a flat key (206), a stepping motor (207), a capacitive proximity sensor (208), and a side-bending chain plate (209); the apple internal and external quality inspection box (3) is composed of an X-axis motion module (301), a controller (302), a Y-axis motion module (303), a spectrometer (304), a Z-axis motion module (305), a support plate (306), a lighting lamp (307), a box body (308), a fixing block (309), a halogen lamp (310), an optical fiber probe (311), a binocular camera (312), an L-shaped connecting plate (313), and a cross-shaped connecting plate (314); the X-axis motion module (301) is composed of a servo motor (3011), a motor flange (3012), a coupling (3013), a ball screw support seat (3014), a ball screw (3015), a guide rail (3016), a carrier table (3017), and a base (3018); the X-axis motion module (301), the Y-axis motion module (303), and the Z-axis motion module (305) have exactly the same structure; the halogen lamp (310), the optical fiber probe (311), and the binocular camera (312) are all installed on the fixing block (309), the halogen lamp (310) is at the top, the optical fiber probe (311) is in the middle, the binocular camera (312) is at the bottom, the fixing block (309) is fixed on the carrier table of the Z-axis motion module (305), the base of the Z-axis motion module (305) is fixed on the carrier table of the Y-axis motion module (303) through the L-shaped connecting plate (313), the base of the Y-axis motion module (303) is fixed on the carrier table of the X-axis motion module (301) through the cross-shaped connecting plate (314), and the base of the X-axis motion module (301) is fixed on the frame (1) through the support plate (306).
2. An internal and external quality inspection device for apples with an embedded chain-type rectangular guide rail according to claim 1, characterized in that: The lighting lamp (307) is installed at the top of the box body (308) and is placed between the apple tray (202) and the Z-axis motion module (305).
3. An inlaid chain-type rectangular guide rail apple internal and external quality detection device according to claim 1, characterized in that: The capacitive proximity sensor (208) is installed in the middle of the box body, and the installation height is between the apple trays (202).
4. An internal and external quality inspection device for apples with an embedded chain - type rectangular guide rail according to claim 1, characterized in that: Both the apple tray (202) and the side-bending chain plate (209) are provided with two through holes, and the two are connected and fixed to the chain (204) by rivets; when the apple tray (202) is transported to the middle part of the apple internal and external quality inspection box (3) and stops, there is only one apple tray (202) within the field of view of the binocular camera (312).