An on-line detection and correction device for irradiation sample injection process position deviation

Abstract

The application discloses an online detection and correction device for irradiation sample injection process alignment deviation, and relates to the technical field of irradiation processing. The device comprises a base, a conveying belt arranged on the base, a detection mounting table fixed at the end of the conveying belt, a laser alignment detection mechanism and a correction mechanism arranged on the detection mounting table, an alignment mounting mechanism arranged in front of the conveying belt, a positioning table, a clamping mechanism cooperatively fixed on the positioning table, a transfer mechanism arranged on one side of the base, a clamping table, a positioning shaft, a clamping seat and a clamping table cooperatively fixed on the positioning table and the transfer mechanism, an irradiation table mechanism arranged at one end of the base, an irradiation table top, irradiation support frames fixed on the two sides of the irradiation table top, and rollers arranged on the irradiation support frames in a straight line. The device solves the problems of single operation mode of the existing irradiation injection system, uneven irradiation of tubular samples, large alignment deviation and the like.

Description

Technical Field

[0001] This invention relates to the field of irradiation processing technology, and in particular to an online detection and correction device for alignment deviation during the irradiation sample introduction process. Background Technology

[0002] Irradiation technology, as a highly efficient, environmentally friendly, and residue-free physical treatment method, has been widely applied in fields such as food sterilization, medical device disinfection, material modification, and nuclear industry sample testing. Irradiating samples with ionizing radiation can achieve sterilization, modification, curing, and degradation, offering significant advantages such as fast processing speed, no pollution, no need for chemical reagents, and the ability to operate at room temperature. It is a key component in modern industrial automated production lines. In automated irradiation production lines, sample loading, alignment, transfer, and irradiation execution are continuous processes. The accuracy of sample positioning and the uniformity of irradiation directly determine product quality and processing pass rate. As industrial production demands increasing irradiation consistency, automation, and sample adaptability, existing traditional irradiation loading and processing systems are gradually revealing many shortcomings: most existing irradiation equipment only supports a single operation mode of tray-borne, whole-sample loading, and whole-sample irradiation, unable to flexibly switch processing modes according to sample shape. While barely applicable to batches of regular samples, it lacks dedicated adaptable structures for special-shaped samples such as long tubular or rod-shaped samples, making it difficult to meet diverse production needs. Tubular samples (such as medical test tubes, centrifuge tubes, rod-shaped materials, and nuclear industry cores) are mostly tubular in structure. When using tray-based whole-body irradiation, the samples are stacked and arranged tightly together, making it difficult for rays to penetrate the gaps and sides of the samples. This results in uneven irradiation doses inside and outside the tube walls, and insufficient local irradiation, failing to meet the high uniformity requirements of medical, materials, and nuclear industries. Furthermore, during the sample tray transport on the conveyor belt, positional deviations such as lateral offset, longitudinal misalignment, and angular deflection are prone to occur. Traditional systems rely on manual adjustment or simple mechanical limits, lacking online real-time detection methods and automatic correction of deviations. Long-term operation leads to large accumulated errors, causing samples to deviate from the irradiation center, further exacerbating irradiation unevenness. Based on this, the present invention addresses the technical problems of existing irradiation sample introduction systems, such as the inability to detect and automatically correct alignment deviations during sample delivery, the tendency of tubular samples to stack and stick together leading to uneven irradiation dose and irradiation blind spots, the inability to achieve precise individual transport of tubular samples due to the support of the entire tray for irradiation, and poor automation adaptability. The invention provides an online detection and correction device for alignment deviations during the irradiation sample introduction process, which can significantly improve alignment accuracy and irradiation uniformity, is compatible with automated operations of multiple types of samples, and is suitable for medical disinfection, food sterilization, material modification, and industrial irradiation production lines. Summary of the Invention

[0003] To address the aforementioned technical problems, this invention solves the issues of limited operation modes, uneven irradiation of tubular samples, and large alignment deviations in existing irradiation sample introduction systems. It can significantly improve alignment accuracy and irradiation uniformity, is compatible with automated operation of multiple sample types, and is suitable for medical disinfection, food sterilization, material modification, and industrial irradiation production lines.

[0004] The technical solution used in this invention is as follows: an online detection and correction device for alignment deviation during irradiation sample introduction, comprising a base, a conveyor belt mounted on the base, a detection mounting platform fixed at the end of the conveyor belt, and a laser alignment detection mechanism and a correction mechanism mounted on the detection mounting platform; the laser alignment detection mechanism is used to detect the position deviation of the sample tray, and the correction mechanism is used to correct the position of the sample tray and transfer it; an alignment mounting mechanism is provided in front of the conveyor belt, the alignment mounting mechanism including a positioning mounting platform fixed on the base, an angle frame rotatably mounted on the positioning mounting platform, a positioning stage rotatably mounted on the angle frame, a clamping mechanism that can be fixed on the positioning stage, and a transfer mechanism on one side of the base. The mechanism includes a clamping platform with two side plates slidably mounted on it. The clamping platform is fixed to a positioning platform via a positioning shaft and can be fixed to a transfer mechanism via a clamping seat. One end of the base is equipped with an irradiation stage mechanism, which includes an irradiation stage surface fixed to the base. Irradiation support frames are fixed on both sides of the irradiation stage surface, and rollers are evenly arranged in a straight line on the irradiation support frames. The irradiation stage mechanism also includes a rotating partition mounting platform with a support shaft fixed on it and a sliding clamping shaft. A partition frame slides below the support shaft to separate the samples at equal intervals. An irradiation mechanism is located above the irradiation stage mechanism for irradiation treatment.

[0005] Furthermore, the laser alignment detection mechanism includes a laser image module fixed to the top of the detection mounting platform and laser detection modules fixed to both sides of the detection mounting platform. The laser image module and laser detection modules are used to detect and provide feedback on the position information of the sample tray.

[0006] Furthermore, the calibration mechanism includes a motor fixed to one end of the detection mounting platform and a lead screw rotatably mounted on the detection mounting platform. The lead screw rotatably is driven by the motor. A slide block rotatably mounted on the detection mounting platform forms a helical pair with the lead screw rotatably. A motor rotatably mounted on the slide block rotatably is also mounted on the slide block rotatably. The lead screw rotatably is driven by the motor. A slide block rotatably mounted on the slide block rotatably is also mounted on the slide block rotatably. The slide block rotatably and lead screw rotatably forms a helical pair with the lead screw rotatably. A height cylinder is fixed on the slide block rotatably. A height frame is fixed on the telescopic rod of the height cylinder. A correction angle motor is fixed to one end of the height frame. A correction frame is fixed on the output shaft of the correction angle motor. Correction clamping cylinders are uniformly arranged in a ring on the correction frame. A correction clamping plate is fixed on the telescopic rod of the correction clamping cylinders. Based on the position information of the sample tray fed back by the laser alignment detection mechanism, the calibration mechanism performs alignment and clamping adjustment on the sample tray.

[0007] Furthermore, the alignment and installation mechanism includes an angle motor one fixed on the positioning and installation platform, which drives the angle frame. Support cylinders are fixed on both sides of the positioning and installation platform, and support plates are fixed on the telescopic rods of the support cylinders for fixing the positioning platform. An angle motor two is fixed on the angle frame, which drives the positioning platform. The rotation directions of the positioning platform and the angle frame are in a spatial cross orthogonal relationship.

[0008] Furthermore, each side of the positioning stage is fixed with a fixing electric cylinder, and a fixing plate is fixed on the telescopic rod of the fixing electric cylinder for clamping and fixing the sample tray. The outer side of the positioning stage is provided with a positioning hole, and the clamping stage on the clamping mechanism cooperates with the positioning hole through the positioning shaft for positioning and installation. The outer side of the positioning stage is also provided with an electromagnetic sliding fixing shaft, and a mating hole is opened on the positioning shaft. The mating hole cooperates with the electromagnetic sliding fixing shaft for fixing.

[0009] Furthermore, the clamping mechanism includes two adjusting electric cylinders fixed to the clamping platform. An adjusting electric cylinder is fixed to the telescopic rod of the adjusting electric cylinder one, and the telescopic rod of the adjusting electric cylinder two is fixedly connected to the side plate. The side plate is located inside the sample tray and can clamp the tubular sample. The side plate is located outside the sample tray and can clamp the sample tray. A mating clamping hole is provided on the mating clamping seat, and the clamping platform can be mated and fixed with the transfer mechanism through the mating clamping hole.

[0010] Furthermore, the transfer mechanism includes a motor three fixed to the base and a lead screw three rotatably mounted on the base. The lead screw three is driven by the motor three. A slide block three is slidably mounted on the base. The slide block three and the lead screw three form a helical pair. A transfer control electric cylinder is fixed on the slide block three. A transfer lifting platform is fixed on the telescopic rod of the transfer control electric cylinder. A position control electric cylinder one is fixed on the top of the transfer lifting platform. A position control electric cylinder two is fixed on the telescopic rod of the position control electric cylinder one. A mating seat is fixed on the telescopic rod of the position control electric cylinder two. A mating electric cylinder is fixed on both sides of the mating seat. The mating seat can mate with the mating clamping seat. The telescopic rod of the mating electric cylinder can mate with the mating clamping hole for fixation.

[0011] Furthermore, the irradiation stage mechanism includes a rolling motor fixed to the side of the irradiation support frame, with each roller connected by a toothed belt and driven by the rolling motor; the top of the irradiation support frame can be used to support a sample tray.

[0012] Furthermore, the irradiation stage mechanism also includes a motor four fixed on the base and a lead screw four rotatably mounted on the base. The lead screw four is driven by the motor four. A slide block four is slidably mounted on the base. The slide block four and the lead screw four form a helical pair. An adjustment control cylinder is fixed on the slide block four. An adjustment control frame is fixed on the telescopic rod of the adjustment control cylinder. The partition mounting stage is rotatably mounted on the top of the adjustment control frame, and a partition angle motor is fixed on the top of the adjustment control frame for driving the partition mounting stage.

[0013] Furthermore, a separation clamping electric cylinder is fixed on the separation mounting platform to control the movement of the clamping shaft, and a separation control electric cylinder is fixed on the separation mounting platform to control the movement of the separation frame. The separation frame includes triangular inclined blocks arranged in a straight line to separate the tubular irradiated sample at equal intervals.

[0014] Furthermore, the irradiation mechanism includes an irradiation control cylinder fixed on a base, an irradiation box fixed on the telescopic rod of the irradiation control cylinder, and the irradiation box covering the irradiation stage mechanism for irradiation treatment.

[0015] The beneficial effects of this invention compared with the prior art are: (1) This invention can realize the overall transfer and irradiation of boxed medical consumables, bagged food, electronic components, etc., with a simple process and high efficiency; it can also individually grab, sort and transfer medical test tubes, needles, rod-shaped materials and tubular nuclear industrial samples. One set of equipment meets the irradiation needs of various sample shapes, reducing equipment investment and changeover time; (2) This invention adjusts the spatial cross orthogonal angle of the sample to make the tubular sample automatically roll and align; it uses a separator with triangular inclined blocks to evenly separate the samples at equal intervals to avoid close stacking; with the rotating roller on the irradiation stage, the sample can be irradiated in 360° rotation, and the irradiation dose inside and outside the tube wall is consistent, with no dead angle of irradiation; (3) This invention uses a laser detection module and a laser image module for dual detection, which can identify the lateral offset, longitudinal misalignment, angle deflection and height deviation of the sample tray in real time. With the correction mechanism, the correction can be completed automatically without manual intervention. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the overall structure of the present invention in orthographic projection.

[0018] Figure 3 This is a schematic diagram of the overall structure of the present invention from another angle.

[0019] Figure 4 This is a schematic diagram of the correction mechanism of the present invention.

[0020] Figure 5 This is a partial structural diagram of the correction mechanism of the present invention.

[0021] Figure 6 This is a schematic diagram of the transfer mechanism structure of the present invention.

[0022] Figure 7 This is a schematic diagram of the alignment and installation mechanism of the present invention.

[0023] Figure 8 This is a schematic diagram of the alignment and mounting mechanism and clamping mechanism of the present invention.

[0024] Figure 9 This is a schematic diagram of the positioning platform installation structure of the present invention.

[0025] Figure 10 This is a schematic diagram of the clamping mechanism of the present invention.

[0026] Figure 11 This is a schematic diagram of the irradiation stage mechanism of the present invention.

[0027] Figure 12 For the present invention Figure 11 A schematic diagram of the structure at the A mark in the middle.

[0028] Figure 13 This is a schematic diagram of the installation structure of the partition mounting platform of the present invention.

[0029] Figure 14 This is a schematic diagram of the installation structure of the clamping shaft and support shaft of the present invention.

[0030] Figure 15 This is a schematic diagram of the clamping shaft and support shaft of the present invention installed at another angle.

[0031] Reference numerals: 1-Base; 2-Conveyor belt; 3-Transmission motor; 4-Detection mounting platform; 5-Laser detection module; 6-Laser image module; 7-Irradiation control cylinder; 8-Irradiation box; 9-Motor 1; 10-Lead screw 1; 11-Slide 1; 12-Motor 2; 13-Lead screw 2; 14-Slide 2; 15-Height cylinder; 16-Height frame; 17-Correction angle motor; 18-Correction frame; 19-Correction clamping cylinder; 20-Correction clamping plate; 21-Motor 3; 22-Lead screw 3; 23-Transfer control cylinder; 24-Slide 3; 25-Transfer lifting platform; 26-Position control cylinder 1; 27-Position control cylinder 2; 28-Matching seat; 29-Matching cylinder; 30-Positioning mounting platform; 31-Angle motor 1; 32-Support cylinder; 33 - Support plate; 34- Angle frame; 35- Angle motor II; 36- Positioning platform; 37- Fixed electric cylinder; 38- Fixed plate; 39- Positioning hole; 40- Electromagnetic sliding fixed shaft; 41- Clamping platform; 42- Positioning shaft; 43- Mating hole; 44- Mating clamping seat; 45- Mating clamping hole; 46- Adjusting electric cylinder I; 47- Adjusting electric cylinder II; 48- Side plate; 49- Motor IV; 50- Lead screw IV; 51- Slide IV; 52- Adjustment control electric cylinder; 53- Adjustment control frame; 54- Irradiation table; 55- Irradiation support frame; 56- Roller; 57- Rolling motor; 58- Toothed belt; 59- Separation angle motor; 60- Separation mounting platform; 61- Separation clamping electric cylinder; 62- Separation control electric cylinder; 63- Clamping shaft; 64- Support shaft; 65- Separation frame. Detailed Implementation

[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0033] like Figures 1 to 15As shown, an online detection and correction device for alignment deviation during irradiation sample introduction includes a base 1, a conveyor belt 2 and a transmission motor 3 mounted on the base 1. The transmission motor 3 drives the conveyor belt 2. A detection mounting platform 4 is fixed to the end of the conveyor belt 2. The detection mounting platform 4 is equipped with a laser alignment detection mechanism and a correction mechanism. The laser alignment detection mechanism is used to detect the position deviation of the sample tray, and the correction mechanism is used to correct the position of the sample tray and transfer it. An alignment mounting mechanism is located in front of the conveyor belt 2. The alignment mounting mechanism includes a positioning mounting platform 30 fixed to the base 1. An angle frame 34 is rotatably mounted on the positioning mounting platform 30, and a positioning stage 36 is rotatably mounted on the angle frame 34. A clamping mechanism is fixedly mounted on the positioning stage 36. A transfer mechanism is located on one side of the base 1. The holding mechanism includes a clamping platform 41 with two side plates 48 slidably mounted on it. The clamping platform 41 can be fixed to the positioning platform 36 via a positioning shaft 42, and can also be fixed to the transfer mechanism via a clamping seat 44. One end of the base 1 is provided with an irradiation stage mechanism, which includes an irradiation stage surface 54 fixed to the base 1. Irradiation support frames 55 are fixed on both sides of the irradiation stage surface 54, and rollers 56 are evenly arranged in a straight line on the irradiation support frames 55. The irradiation stage mechanism also includes a rotatably mounted partition mounting platform 60, on which a support shaft 64 is fixed and a clamping shaft 63 is slidably mounted. A partition frame 65 is slidably mounted below the support shaft 64 for separating the samples at equal intervals. An irradiation mechanism is provided above the irradiation stage mechanism for irradiation treatment.

[0034] The laser alignment and detection mechanism includes a laser image module 6 fixed to the top of the detection mounting platform 4, and laser detection modules 5 fixed to both sides of the detection mounting platform 4. The laser image module 6 and laser detection modules 5 detect and provide feedback on the position information of the sample tray. The calibration mechanism includes a motor 9 fixed to one end of the detection mounting platform 4, and a lead screw 10 rotatably mounted on the detection mounting platform 4. The lead screw 10 is driven by the motor 9. A slide block 11 is slidably mounted on the detection mounting platform 4, forming a helical pair with the lead screw 10. A motor 12 is fixed to the slide block 11, and a lead screw 13 is rotatably mounted on it. Driven by motor 212, slide 214 is slidably mounted on slide 11. Slide 214 and lead screw 213 form a screw pair. Height cylinder 15 is fixed on slide 214. Height frame 16 is fixed on the telescopic rod of height cylinder 15. Correction angle motor 17 is fixed at one end of height frame 16. Correction frame 18 is fixed on the output shaft of correction angle motor 17. Correction clamping cylinders 19 are uniformly arranged in a ring on correction frame 18. Correction clamping plate 20 is fixed on the telescopic rod of correction clamping cylinder 19. According to the position information of the sample tray from the laser alignment detection mechanism, the correction mechanism adjusts the alignment and clamping of the sample tray.

[0035] The alignment and installation mechanism includes an angle motor 31 fixed on the positioning mounting platform 30, which drives the angle frame 34. Support cylinders 32 are fixed on both sides of the positioning mounting platform 30, and support plates 33 are fixed on the telescopic rods of the support cylinders 32 for fixing the positioning platform 36. An angle motor 35 is fixed on the angle frame 34, which drives the positioning platform 36. The rotation directions of the positioning platform 36 and the angle frame 34 are spatially orthogonal. Fixing cylinders 37 are fixed on each side of the positioning platform 36, and fixing plates 38 are fixed on the telescopic rods of the fixing cylinders 37 for clamping and fixing the sample tray. Positioning holes 39 are provided on the outer side of the positioning platform 36. The clamping platform 41 on the clamping mechanism engages with the positioning holes 39 via a positioning shaft 42 for positioning and installation. An electromagnetic sliding fixing shaft 40 is also provided on the outer side of the positioning platform 36, and a mating hole 43 is provided on the positioning shaft 42. The mating hole 43 engages with the electromagnetic sliding fixing shaft 40 for fixing.

[0036] The clamping mechanism includes two adjusting electric cylinders 46 fixed on the clamping platform 41. Adjusting electric cylinder 47 is fixed on the telescopic rod of adjusting electric cylinder 46. The telescopic rod of adjusting electric cylinder 47 is fixedly connected to the side plate 48. The side plate 48 is located inside the sample tray and can clamp tubular samples. The side plate 48 is located outside the sample tray and can clamp the sample tray. A mating clamping hole 45 is provided on the mating clamping seat 44. The clamping platform 41 can be mated and fixed with the transfer mechanism through the mating clamping hole 45.

[0037] The transfer mechanism includes a motor 21 fixed on the base 1 and a lead screw 22 rotatably mounted on the base 1. The lead screw 22 is driven by the motor 21. A slide block 24 is slidably mounted on the base 1. The slide block 24 and the lead screw 22 form a helical pair. A transfer control cylinder 23 is fixed on the slide block 24. A transfer lifting platform 25 is fixed on the telescopic rod of the transfer control cylinder 23. A position control cylinder 26 is fixed on the top of the transfer lifting platform 25. A position control cylinder 27 is fixed on the telescopic rod of the position control cylinder 26. A mating seat 28 is fixed on the telescopic rod of the position control cylinder 27. A mating cylinder 29 is fixed on both sides of the mating seat 28. The mating seat 28 can mate with the mating clamping seat 44. The telescopic rod of the mating cylinder 29 can mate with the mating clamping hole 45 for fixation.

[0038] The irradiation stage mechanism includes a rolling motor 57 fixed to the side of the irradiation support frame 55. Rollers 56 are connected by a toothed belt 58 and driven by the rolling motor 57. The top of the irradiation support frame 55 can be used to support a sample tray. The irradiation stage mechanism also includes a motor 49 fixed to the base 1 and a lead screw 50 rotatably mounted on the base 1, driven by the motor 49. A slide block 51 is slidably mounted on the base 1, forming a helical pair with the lead screw 50. An adjustment control cylinder 52 is fixed to the slide block 51, and an adjustment control frame 53 is fixed to the extension rod of the adjustment control cylinder 52. The partition mounting stage... The 60 is rotatably mounted on the top of the adjustment control frame 53, and the top of the adjustment control frame 53 is fixed with a separation angle motor 59 for driving the separation mounting platform 60; a separation clamping electric cylinder 61 is fixed on the separation mounting platform 60 for controlling the movement of the clamping shaft 63, and a separation control electric cylinder 62 is fixed on the separation mounting platform 60 for controlling the movement of the separation frame 65. The separation frame 65 includes triangular inclined blocks arranged in a straight line to separate the tubular irradiated sample at equal intervals; the irradiation mechanism includes an irradiation control electric cylinder 7 fixed on the base 1, and an irradiation box 8 fixed on the telescopic rod of the irradiation control electric cylinder 7. The irradiation box 8 covers the irradiation platform mechanism for irradiation treatment.

[0039] Operating principle: The sample tray is transported via conveyor belt 2, and the irradiated samples are arranged in the tray. In this embodiment, irradiation can be carried out in two ways: first, the tray and the sample are transferred to the irradiation station mechanism at the same time for irradiation treatment; second, for tubular samples, they can be arranged and transferred to the irradiation station mechanism separately for irradiation treatment.

[0040] Specifically, the tray is transported on conveyor belt 2. The position of the tray can be detected by laser image module 6 and laser detection module 5, and then the position deviation information is transmitted to the system. The system controls the correction mechanism to correct the position of the tray. Specifically, the X-axis offset, Y-axis offset, deflection angle, and attitude height of the sample tray are detected online non-contactly by laser image module 6 and laser detection module 5, and the deviation data is output to the control system. Laser detection module 5 is installed on both sides of detection mounting platform 4 and adopts through-beam laser displacement sensors to emit parallel laser light curtains. When the tray passes by, it blocks the laser. The lateral offset and longitudinal positioning accuracy of the tray are calculated by the blocking position, blocking width, and blocking duration. Laser image module 6 is installed on the top of detection mounting platform 4 and adopts area array industrial camera + laser-assisted positioning light source to capture a top view image of the tray in real time. The image is then analyzed by edge recognition. The system employs algorithms for identification, feature point matching, and contour fitting to accurately identify the tray's deflection angle, center position, and four-corner coordinates. Real-time fusion of laser displacement data from both sides and top visual image data outputs three-dimensional deviation values ​​(X offset, Y offset, θ deflection, Z height), achieving full-dimensional position detection. Based on the output position deviation information, motor 9 drives lead screw 10 to rotate, causing slide 11 to move. Then, motor 12 drives lead screw 13 to rotate, causing slide 14 to move. Height cylinder 15 controls the height of the correction frame 18, positioning it outside the tray. Correction angle motor 17 controls the angle of the correction frame 18. Based on the tray's position information, each correction clamping plate 20 is adjusted to its respective side. Correction clamping cylinder 19 controls the correction clamping plates 20 to clamp and fix the tray. Finally, the tray and sample are transferred to the positioning stage 36.

[0041] Furthermore, regarding the clamping mechanism and the transfer mechanism, in the initial state, the clamping mechanism is fixed to the transfer mechanism, that is, the clamping seat 44 is installed on the mating seat 28, and the telescopic rod of the electric cylinder 29 cooperates with the angle motor 35 for fixation; the clamping mechanism is fixed to the transfer mechanism and is offset from the positioning table 36, which facilitates the transfer and installation of the tray on the positioning table 36. The tray is clamped and fixed by the fixing plate 38 controlled by the fixing electric cylinder 37; for the first irradiation treatment in this embodiment, that is, the tray and the sample are transferred and irradiated at the same time, the clamping table 41 can be moved above the tray by the position control electric cylinder 26, and the adjustment electric cylinder 46 controls the lateral position of the adjustment electric cylinder 47 so that the side plate 48 is located outside the tray. At this time, the fixing plate 38 is not clamping the tray. The adjustment electric cylinder 47 controls the side plate 48 to descend and be located outside the tray, and then the tray is clamped and fixed by the motor. The drive screw 21 rotates the lead screw 22, causing the slide 24 to move, thus transferring the tray and sample to the irradiation stage mechanism simultaneously. It should be noted that since there is no need to control the angular deflection of the positioning stage 36, the support plate 33 is controlled by the support cylinder 32 to support and fix the bottom of the positioning stage 36. Further, the transfer control cylinder 23 controls the transfer lifting platform 25 to descend, placing the tray on the irradiation support frame 55. Finally, the irradiation control cylinder 7 controls the irradiation box 8 to descend, with its bottom docking with the irradiation stage mechanism to form an irradiation area. The irradiation box 8 contains an irradiation module for irradiating the sample. The irradiation module provides the device with the high-energy rays required for irradiation treatment and mainly consists of an irradiation source unit, a shielding structure, and a dose monitoring unit. When the irradiation box descends and closes with the irradiation stage mechanism, the irradiation area forms a closed space, and the rays irradiate downwards, treating the sample on the irradiation stage surface.

[0042] Furthermore, for the second type of irradiation treatment in this embodiment, i.e., irradiating a tubular sample, after the tray is installed on the positioning stage 36, the fixing plate 38 is clamped by the fixing electric cylinder 37. Then, the transfer mechanism transfers the clamping mechanism to the positioning stage 36. The positioning shaft 42 engages with the positioning hole 39, and the electromagnetic sliding fixing shaft 40 extends and retracts and engages with the mating hole 43 to fix the clamping mechanism. At this time, the mating clamping seat 44 disengages from the mating seat 28, releasing the fixing state of the clamping mechanism. The lateral position of the side plate 48 is controlled by adjusting the electric cylinder 46 so that the side plate 48 is located above the inner side of the tray. Furthermore, the angle motor 35 drives the fixing plate 48 to move the side plate 48 to the inner side of the tray. Positioning stage 36 deflects to form an upward angle, causing the samples inside the tray to roll and align together. Then, angle motor 31 drives angle frame 34 to rotate, causing the tray to deflect to one side, allowing the samples to slide onto one side of the tray, thus creating space on one side. It should be noted that when positioning stage 36 deflects, the clamping mechanism deflects synchronously with positioning stage 36. By adjusting electric cylinder 47, side plate 48 is moved to the inside of the tray, and angle motor 31 then controls positioning stage 36 to deflect in the opposite direction, causing the samples to slide onto the other side of the tray and contact side plate 48. At this time, another side plate 48 is moved to the inside of the tray, so that the samples are located between the two side plates 48 and then clamped by side plate 48.

[0043] Furthermore, after clamping the sample, the transfer mechanism re-secures the clamping mechanism and disengages it from the positioning stage 36, i.e., the positioning shaft 42 disengages from the positioning hole 39. The transfer mechanism then independently transfers the sample to the irradiation stage mechanism. Specifically, before placing the sample, the motor 49 drives the lead screw 50 to rotate, causing the slide 51 to move. The adjustment control cylinder 52 controls the position of the adjustment control frame 53, ensuring the sample height is between the support shaft 64 and the clamping shaft 63. It should be noted that at this time, both ends of the tubular sample are clamped by the side plates 48, and the support shaft 64 and the clamping shaft 63 pass between the two side plates 48, positioning the sample between them. When the neatly arranged sample is positioned on the support shaft 64, the side plates 48 release their clamping, and the separation angle motor 59 controls the separation mounting stage 60. The deflection causes the partition mounting platform 60 to form an upward angle, allowing the sample to slide down and adhere to the end face of the partition mounting platform 60, arranging them neatly. At this time, the partition control electric cylinder 62 controls the partition frame 65 to move towards the sample, and the triangular wedges on the partition frame 65 pass between two adjacent samples to separate the samples at equal distances. Finally, the partition clamping electric cylinder 61 controls the clamping shaft 63 to move to clamp and fix the sample, keeping it in a separated state. Then, the partition mounting platform 60 is controlled to return to a horizontal position, and the sample is transferred to the irradiation stage 54. Each sample is supported by its corresponding roller 56, i.e., the end of the sample is supported. The roller 56 can be driven to rotate by the rolling motor 57 to adjust the angle of the sample. The irradiation box 8 is controlled to dock with the irradiation stage mechanism to irradiate the sample individually and to achieve uniform irradiation of each area of ​​the sample.

[0044] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An online detection and correction device for alignment deviation during irradiation sample introduction, comprising a base (1), a conveyor belt (2) disposed on the base (1), a detection mounting platform (4) fixed at the end of the conveyor belt (2), and a laser alignment detection mechanism and a correction mechanism disposed on the detection mounting platform (4); the laser alignment detection mechanism is used to detect the position deviation of the sample tray, and the correction mechanism is used to correct the position deviation of the sample tray and transfer it; characterized in that: A positioning and mounting mechanism is provided in front of the conveyor belt (2). The positioning and mounting mechanism includes a positioning mounting platform (30) fixed on the base (1). An angle frame (34) is rotatably mounted on the positioning mounting platform (30). A positioning table (36) is rotatably mounted on the angle frame (34). A clamping mechanism is fixedly mounted on the positioning table (36). A transfer mechanism is provided on one side of the base (1). The clamping mechanism includes a clamping table (41). Two side plates (48) are slidably arranged on the clamping table (41). The clamping table (41) can be fixedly mounted on the positioning table (36) through a positioning shaft (42). The clamping table (41) can be used with the clamping seat (44). Fixed to the transfer mechanism; one end of the base (1) is provided with an irradiation stage mechanism, which includes an irradiation stage surface (54) fixed on the base (1), and irradiation support frames (55) fixed on both sides of the irradiation stage surface (54). Rollers (56) are evenly arranged in a straight line on the irradiation support frames (55). The irradiation stage mechanism also includes a rotatable partition mounting platform (60), on which a support shaft (64) is fixed and a clamping shaft (63) slides. A partition frame (65) slides below the support shaft (64) to separate the samples at equal intervals. An irradiation mechanism is provided above the irradiation stage mechanism for irradiation treatment.

2. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 1, characterized in that: The laser alignment detection mechanism includes a laser image module (6) fixed to the top of the detection mounting platform (4) and laser detection modules (5) fixed to both sides of the detection mounting platform (4). The laser image module (6) and the laser detection module (5) are used to detect and provide feedback on the position information of the sample tray.

3. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 1, characterized in that: The calibration mechanism includes a motor (9) fixed to one end of the testing mounting platform (4) and a lead screw (10) rotatably mounted on the testing mounting platform (4). The lead screw (10) is driven by the motor (9). A slide block (11) is slidably mounted on the testing mounting platform (4). The slide block (11) and the lead screw (10) form a screw pair. A motor (12) is fixed on the slide block (11), and a lead screw (13) is rotatably mounted on it. The lead screw (13) is driven by the motor (12). A slide block (14) is slidably mounted on the slide block (11). The slide block (14) and the lead screw (14) are rotatably mounted on the slide block (11). (13) A spiral pair is formed. A height electric cylinder (15) is fixed on the slide block (14). A height frame (16) is fixed on the telescopic rod of the height electric cylinder (15). A correction angle motor (17) is fixed at one end of the height frame (16). A correction frame (18) is fixed on the output shaft of the correction angle motor (17). A correction clamping electric cylinder (19) is uniformly fixed in a ring on the correction frame (18). A correction clamping plate (20) is fixed on the telescopic rod of the correction clamping electric cylinder (19). According to the position information feedback of the sample tray by the laser alignment detection mechanism, the sample tray is aligned and clamped by the correction mechanism.

4. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 1, characterized in that: The alignment and installation mechanism includes an angle motor (31) fixed on the positioning mounting platform (30), which drives the angle frame (34). Support cylinders (32) are fixed on both sides of the positioning mounting platform (30), and support plates (33) are fixed on the telescopic rods of the support cylinders (32) for fixing the positioning platform (36). An angle motor (35) is fixed on the angle frame (34), which drives the positioning platform (36). The rotation directions of the positioning platform (36) and the angle frame (34) are spatially cross-shaped.

5. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 4, characterized in that: Each side of the positioning platform (36) is fixed with a fixing electric cylinder (37), and a fixing plate (38) is fixed on the telescopic rod of the fixing electric cylinder (37) for clamping and fixing the sample tray. The positioning platform (36) is provided with a positioning hole (39) on the outside. The clamping platform (41) on the clamping mechanism cooperates with the positioning hole (39) through the positioning shaft (42) for positioning and installation. The positioning platform (36) is also provided with an electromagnetic sliding fixing shaft (40) on the outside. The positioning shaft (42) is provided with a mating hole (43), and the mating hole (43) cooperates with the electromagnetic sliding fixing shaft (40) for fixing.

6. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 5, characterized in that: The clamping mechanism includes two adjusting electric cylinders (46) fixed on the clamping platform (41). Adjusting electric cylinder (47) is fixed on the telescopic rod of adjusting electric cylinder (46). The telescopic rod of adjusting electric cylinder (47) is fixedly connected to the side plate (48). The side plate (48) is located inside the sample tray and can clamp the tubular sample. The side plate (48) is located outside the sample tray and can clamp the sample tray. A clamping hole (45) is provided on the clamping seat (44). The clamping platform (41) can be fixed with the transfer mechanism through the clamping hole (45).

7. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 6, characterized in that: The transfer mechanism includes a motor three (21) fixed on the base (1) and a lead screw three (22) rotatably mounted on the base (1). The lead screw three (22) is driven by the motor three (21). A slide three (24) is slidably mounted on the base (1). The slide three (24) and the lead screw three (22) form a screw pair. A transfer control electric cylinder (23) is fixed on the slide three (24). A transfer lifting platform (25) is fixed on the telescopic rod of the transfer control electric cylinder (23). A position control electric cylinder one (26) is fixed on the top of the transfer lifting platform (25). A position control electric cylinder two (27) is fixed on the telescopic rod of the position control electric cylinder one (26). A mating seat (28) is fixed on the telescopic rod of the position control electric cylinder two (27). A mating electric cylinder (29) is fixed on both sides of the mating seat (28). The mating seat (28) can mate with the mating clamping seat (44). The telescopic rod of the mating electric cylinder (29) can mate with the mating clamping hole (45) for fixing.

8. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 1, characterized in that: The irradiation stage mechanism includes a rolling motor (57) fixed to the side of the irradiation support frame (55), and each roller (56) is connected by a toothed belt (58), and the roller (56) is driven by the rolling motor (57); the top of the irradiation support frame (55) can be used to support the sample tray; the irradiation stage mechanism also includes a motor four (49) fixed on the base (1), and a lead screw four (50) rotatably mounted on the base (1), the lead screw four (50) is driven by the motor four (49), a slide seat four (51) is slidably mounted on the base (1), the slide seat four (51) and the lead screw four (50) form a screw pair, an adjustment control cylinder (52) is fixed on the slide seat four (51), an adjustment control frame (53) is fixed on the telescopic rod of the adjustment control cylinder (52), a partition mounting platform (60) is rotatably mounted on the top of the adjustment control frame (53), and a partition angle motor (59) is fixed on the top of the adjustment control frame (53) for driving the partition mounting platform (60).

9. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 8, characterized in that: The separation mounting platform (60) is fixed with a separation clamping electric cylinder (61) for controlling the movement of the clamping shaft (63). The separation mounting platform (60) is fixed with a separation control electric cylinder (62) for controlling the movement of the separation frame (65). The separation frame (65) includes triangular inclined blocks arranged in a straight line to separate the tubular irradiated sample at equal intervals.

10. The online detection and correction device for alignment deviation during irradiation sample introduction process according to claim 1, characterized in that: The irradiation mechanism includes an irradiation control cylinder (7) fixed on a base (1), an irradiation box (8) fixed on the telescopic rod of the irradiation control cylinder (7), and the irradiation box (8) covering the irradiation station mechanism for irradiation treatment.

Images