An automatic calibration system for X-ray lasers

Abstract

This application relates to an automatic X-ray laser calibration system, belonging to the field of security inspection equipment calibration technology. It includes a base and a light source. The light source is mounted on the base, and a calibration arm is mounted on the base. A mounting seat is rotatably mounted on the calibration arm, and a first drive source is mounted on the calibration arm. A mounting beam is mounted on the mounting seat, and two sliding seats are slidably mounted on the mounting beam. An elastic element is mounted on the mounting beam. A mounting plate is mounted on the sliding seats, and a clamping block for holding a receiving plate is rotatably mounted on the mounting plate. A second drive source for driving the clamping block to rotate is also mounted on the mounting plate. The first drive source drives the calibration arm to rotate, thereby adjusting the horizontal angle of the receiving plate. The second drive source drives the clamping block to rotate, thereby adjusting the elevation angle of the receiving plate, and thus adjusting the angle between the receiving plate and the laser, ensuring equal brightness at the symmetrical receiving points on the left and right sides of the receiving plate. No manual adjustment by workers is required, effectively improving calibration efficiency.

Description

Technical Field

[0001] This application relates to the field of security inspection equipment calibration technology, and in particular to an automatic X-ray laser calibration system. Background Technology

[0002] Security inspection machines are widely used in airports, train stations, subway stations, bus stations, government buildings, embassies, conference centers, exhibition centers, hotels, shopping malls, large events, post offices, schools, logistics industries, and industrial inspection. Security inspection machines and other security equipment require calibration testing before leaving the factory.

[0003] The security inspection machine mainly consists of a body, a light source, a mounting plate, and multiple receiving plates. The mounting plate is installed on the body, and the multiple receiving plates are fixed on the mounting plate. X-rays shine on the receiving plates, and the receiving plates generate electrical signals through the photoelectric effect, which are then transmitted to the computer to achieve security detection. The receiving plates are a very important component of the security inspection machine, and the installation quality of the receiving plates directly affects the detection accuracy of the entire machine. To ensure detection quality, the installation position and angle of each receiving plate must be precisely adjusted at the factory. Each security inspection machine typically has more than ten receiving plates, and each receiving plate includes 1*128 receiving points with sensors installed. After installation, it is necessary to ensure that the brightness of the receiving points on both sides of each receiving plate is equal.

[0004] However, currently, during the factory installation and calibration of security inspection machines, workers typically check the display screen and then manually adjust the installation position and angle of each receiving plate. This process is repeated until all receiving plates are in the correct position, and then the receiving plates are fixed to the installation end plate of the security inspection machine with bolts. The whole process is very time-consuming, labor-intensive, and inefficient. Summary of the Invention

[0005] To improve calibration efficiency, this application provides an automatic X-ray laser calibration system.

[0006] This application provides an automatic X-ray laser calibration system, which adopts the following technical solution:

[0007] An automatic X-ray laser calibration system includes a base and a light source. The light source is disposed on the base, and a calibration arm is disposed on the base. Multiple mounting seats are rotatably disposed on the calibration arm, and a first driving source for driving the mounting seats to rotate is disposed on the calibration arm.

[0008] The mounting base is provided with a mounting beam, and two sliding seats are slidably arranged on the mounting beam along the length of the mounting beam. The mounting beam is provided with an elastic element for driving the two sliding seats to slide in a direction closer to each other.

[0009] The sliding seat is provided with a mounting plate, and a clamping block for holding the receiving plate is rotatably mounted on the mounting plate. A second driving source for driving the clamping block to rotate is provided on the mounting plate.

[0010] By adopting the above technical solution, during calibration, the receiving plate is clamped by clamping blocks, and the laser emitted by the light source illuminates the receiving plate. A first drive source drives the calibration arm to rotate, adjusting the horizontal angle of the receiving plate; a second drive source drives the clamping blocks to rotate, adjusting the elevation angle of the receiving plate, thereby adjusting the angle between the receiving plate and the laser to ensure equal brightness at the symmetrical receiving points on the left and right sides of the receiving plate. This eliminates the need for manual adjustment, effectively improving calibration efficiency, overcoming human error caused by manual adjustment, and enhancing calibration accuracy.

[0011] Optionally, the bottom wall of the mounting base is provided with a sliding groove along its length, a mounting block is fixedly mounted on the mounting beam, the mounting block is slidably mounted in the sliding groove, and a driving component for driving the mounting block to slide is provided on the mounting base.

[0012] By adopting the above technical solution, the mounting block is driven to slide along the slide groove by the driving component, and the mounting block drives the mounting beam to move, thereby achieving the purpose of adjusting the position of the receiving plate in the length direction of the mounting beam so that multiple receiving plates are on the same straight line.

[0013] Optionally, the drive assembly includes a drive motor and a lead screw, the lead screw is rotatably mounted on the mounting base, the drive motor is fixedly mounted on the mounting base, and the output shaft of the drive motor is coaxially and fixedly connected to the lead screw.

[0014] By adopting the above technical solution, the drive motor is started, which drives the lead screw to rotate. The lead screw then drives the mounting block to move, thereby achieving the purpose of adjusting the position of the mounting beam and the receiving plate. The operation is convenient.

[0015] Optionally, the sliding seat has an installation rod arranged along the length direction perpendicular to the mounting beam, the mounting plate is slidably sleeved on the installation rod, a worm gear is rotatably arranged on the sliding seat, the worm gear is parallel to the installation rod, a turbine is arranged on the mounting plate, and the turbine meshes with the worm gear; the sliding seat has a rotating assembly for driving the worm gear to rotate, a gear is rotatably arranged on the mounting plate, the gear is connected to the turbine gear for transmission, and the bottom wall of the sliding seat has toothed grooves, multiple of which are arranged along the length direction of the installation rod, and the gear meshes with the toothed grooves.

[0016] By adopting the above technical solution, during calibration, it is necessary to control the distance between the receiving points of the receiving plates to be equal. The rotating assembly drives the worm gear to rotate. Since the mounting plate is slidably fitted onto the mounting rod, the worm gear drives the mounting plate to slide along the mounting rod via a turbine, thereby adjusting the position of the mounting plate and the distance between the receiving plates. This ensures that the distance between adjacent receiving plates is equal, improving calibration accuracy.

[0017] Optionally, the two clamping blocks have slots on their sidewalls that are close to each other for engaging the receiving plate, and the slots extend to the bottom wall of the clamping blocks.

[0018] By adopting the above technical solution, the two ends of the receiving plate are engaged with the slot, and the slot extends through to the bottom wall of the clamping block, which facilitates the installation of the receiving plate from below the clamping block and makes the operation convenient.

[0019] Optionally, the elastic element includes a spring, and the side wall of the mounting beam has a strip-shaped hole along the length of the mounting beam. A sliding plate slides through the strip-shaped hole, and a limiting component for limiting the position of the sliding plate is provided on the sliding plate. A positioning post is fixedly provided on the sliding plate, and one end of the spring is fixedly connected to the positioning post and the other end is fixedly connected to the sliding seat.

[0020] By adopting the above technical solution, when installing the receiving plate, simply pull open the clamping blocks by hand, place the receiving plate between the two clamping blocks, and then release the clamping blocks. The spring force drives the two clamping blocks to keep the receiving plate clamped, making the operation convenient. However, as the usage time increases, the spring force of some springs will change, causing uneven force on the clamping blocks and affecting the clamping effect on the receiving plate. By adjusting the position of the sliding plate, the spring force when the receiving plate is engaged can be adjusted. After the sliding plate position is adjusted, the limiting component can then limit the sliding plate position.

[0021] Optionally, the limiting component includes a first fixing block and a limiting pin. The first fixing block is fixedly mounted on the sliding plate. The side wall of the mounting beam is provided with a toothed groove. Multiple toothed grooves are provided along the length direction of the mounting beam. The first fixing block is provided with a limiting hole. The limiting pin is slidably inserted into the limiting hole.

[0022] By adopting the above technical solution, after the sliding plate position is adjusted, push the limiting pin so that the limiting pin is inserted into the tooth groove, thereby achieving the purpose of limiting the position of the sliding plate. The operation is simple and convenient.

[0023] Optionally, the first fixing block is provided with a reset element for driving the limiting pin into the tooth groove.

[0024] By adopting the above technical solution, the function of the reset component drives the limit pin to remain inserted in the tooth groove, preventing the limit pin from easily disengaging from the tooth groove and improving the stability of the sliding plate position limit.

[0025] Optionally, a second fixing block is fixedly installed on the side wall of the first fixing block away from the mounting beam. The second fixing block has a through hole with a diameter smaller than that of the limiting hole. An abutment is fixedly installed on the limiting pin. A guide groove is provided on the inner wall of the through hole. A protrusion for sliding connection with the guide groove is fixedly installed on the limiting pin.

[0026] By adopting the above technical solution, when the position of the sliding plate needs to be adjusted, the limiting pin is pulled outward. After the protrusion is disengaged from the guide groove, the limiting pin is rotated to make the protrusion misaligned with the guide groove. The limiting pin is then released. At this time, the protrusion and the side wall of the second fixing block away from the first fixing block are pressed together, so that the limiting pin remains disengaged from the tooth groove. After the position of the sliding plate is adjusted, the limiting pin is rotated again so that the protrusion and the guide groove are aligned. Under the action of the reset component, the limiting pin is automatically inserted into the tooth groove. The operation is simple and convenient.

[0027] Optionally, an inclined plate is rotatably mounted on the base, the inclined plate is tilted towards the direction of the calibration arm, a hinge shaft is mounted on the base, the hinge shaft is perpendicular to the calibration arm, one end of the inclined plate is rotatably connected to the hinge shaft, an adjustment block is mounted on the inclined plate, the light source is mounted on the adjustment block, and an adjustment component for adjusting the tilt angle of the inclined plate is mounted on the base.

[0028] By adopting the above technical solution, the tilting plate can be driven to rotate by adjusting the components, thereby adjusting the tilt angle of the tilting plate to achieve the purpose of adjusting the illumination tilt angle of the light source; for different models of security inspection machines, the calibration accuracy can be improved by adjusting the position of the light source.

[0029] In summary, this application includes at least one of the following beneficial technical effects:

[0030] 1. During calibration, the receiving plate is clamped by clamping blocks, and the laser emitted by the light source illuminates the receiving plate. A first drive source rotates the calibration arm to adjust the horizontal angle of the receiving plate; a second drive source rotates the clamping blocks to adjust the elevation angle of the receiving plate, thereby adjusting the angle between the receiving plate and the laser, ensuring equal brightness at the symmetrical receiving points on the left and right sides of the receiving plate. This eliminates the need for manual adjustment, effectively improving calibration efficiency, overcoming human error caused by manual adjustment, and enhancing calibration accuracy.

[0031] 2. During calibration, it is necessary to ensure that the distance between the receiving points of the receiving plates is equal. The rotating assembly drives the worm gear to rotate. Since the mounting plate is slidably fitted onto the mounting rod, the worm gear drives the mounting plate to slide along the mounting rod via a worm, thereby adjusting the position of the mounting plate and the distance between the receiving plates. This ensures that the distance between adjacent receiving plates is equal, improving calibration accuracy.

[0032] 3. When the position of the sliding plate needs to be adjusted, pull out the limiting pin. After the protrusion is disengaged from the guide groove, rotate the limiting pin to make the protrusion misalign with the guide groove. Release the limiting pin. At this time, the protrusion and the side wall of the second fixing block away from the first fixing block are pressed together, so that the limiting pin remains disengaged from the tooth groove. After the position of the sliding plate is adjusted, rotate the limiting pin again so that the protrusion and the guide groove are aligned. Under the action of the reset component, the limiting pin is automatically inserted into the tooth groove. The operation is simple and convenient. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this application;

[0034] Figure 2 This is a schematic diagram of the main structure of the installation beam in Embodiment 1 of this application;

[0035] Figure 3 This is a schematic diagram of the structure of the rotating assembly and the clamping block, which is the main features of Embodiment 1 of this application;

[0036] Figure 4 This is a partial structural schematic diagram of Embodiment 1 of this application;

[0037] Figure 5 This is a cross-sectional view of the gear in Embodiment 1 of this application;

[0038] Figure 6 This is an exploded view of Embodiment 1 of this application;

[0039] Figure 7 yes Figure 6 Enlarged view of section A in the middle;

[0040] Figure 8 This is a schematic diagram of the structure of Embodiment 2 of this application;

[0041] Figure 9 This is a schematic diagram of the structure of the adjustment component, which is the main feature of Embodiment 1 of this application;

[0042] Figure 10 This is a schematic diagram of the structure of the adjusting block and the ear plate, which is the main features of Embodiment 1 of this application;

[0043] Figure 11 yes Figure 10 Enlarged view of section B in the middle.

[0044] Explanation of reference numerals in the attached drawings: 1. Base; 11. Light source; 12. Inclined plate; 121. Adjusting block; 1211. Recessed hole; 122. Ear plate; 13. Hinge shaft; 14. Adjustment assembly; 141. Vertical plate; 142. Adjustment platform; 143. Adjustment rod; 15. Positioning assembly; 151. Positioning tube; 152. Positioning pin; 153. Positioning rod; 154. Positioning compression spring; 2. Calibration arm; 21. Horizontal arm; 22. Vertical arm; 3. Mounting seat; 31. First drive source; 32. Mounting beam; 321. Mounting block; 322. T-slot; 323. Spring; 324. Strip hole; 325. Gear; 4. Drive assembly; 41. Drive motor; 42. Lead screw; 5. Sliding seat; 51. T-block; 52. Mounting rod; 53. End plate; 54. Worm gear; 55. 6. Gear groove; 7. Sliding plate; 61. Positioning pin; 62. Anti-detachment platform; 621. Screw; 71. First fixing block; 711. Limiting hole; 712. Second fixing block; 7121. Through hole; 7122. Guide groove; 72. Limiting pin; 721. Protrusion; 722. Compression spring; 723. Abutment platform; 8. Mounting plate; 81. Clamping block; 811. Slot; 82. Second drive source; 83. Turbine; 84. Drive shaft; 841. Drive groove; 8411. Drive spring; 842. Drive pin; 8421. Hemisphere; 85. Gear; 851. Drive hole; 91. First rotating motor; 92. First driving gear; 93. First driven gear; 94. Second rotating motor; 95. Second driving gear; 96. Second driven gear; 10. Mounting end plate. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1-11 This application will be described in further detail.

[0046] This application discloses an automatic X-ray laser calibration system.

[0047] Example 1:

[0048] Reference Figure 1 An automatic X-ray laser calibration system includes a base 1 and a light source 11. The light source 11 is mounted on the base 1 and uses a laser light source. The light produced is a surface with a thickness of 0.1 mm. A calibration arm 2 is provided on the base 1. Since the receiving device of the security inspection machine is L-shaped, the calibration arm 2 is set to be L-shaped, including a horizontal arm 21 and a vertical arm 22.

[0049] Reference Figure 1 and Figure 2The calibration arm 2 is rotatably equipped with mounting bases 3, and multiple mounting bases 3 are provided, the number of which is equal to the number of receiving plates of the security inspection machine. The calibration arm 2 is equipped with a first drive source 31 for driving the mounting bases 3 to rotate. The first drive source 31 is a first motor, which is fixedly mounted on the calibration arm 2, and the first motor is a servo motor.

[0050] Reference Figure 1 and Figure 2 The mounting base 3 is provided with a mounting beam 32, the length direction of which is perpendicular to the calibration arm 2; the bottom wall of the mounting base 3 is provided with a sliding groove along its length direction, and a mounting block 321 is fixedly provided on the mounting beam 32, the mounting block 321 being slidably disposed in the sliding groove.

[0051] Reference Figure 2 The mounting base 3 is provided with a drive assembly 4 for driving the mounting block 321 to slide. The drive assembly 4 includes a drive motor 41 and a lead screw 42. The lead screw 42 is rotatably mounted on the mounting base 3, and the drive motor 41 is fixedly mounted on the mounting base 3. The output shaft of the drive motor 41 is coaxially and fixedly connected to the lead screw 42.

[0052] Reference Figure 2 and Figure 3 Each mounting beam 32 has two sliding seats 5 that are slidably arranged along the length of the mounting beam 32. The bottom wall of the mounting beam 32 has a T-shaped groove 322 along the length of the mounting beam 32. A T-shaped block 51 that is adapted to the T-shaped groove 322 is fixedly arranged on the sliding seat 5. The T-shaped block 51 is slidably connected to the T-shaped groove 322.

[0053] Reference Figure 3 A mounting plate 8 is provided on the sliding seat 5. A clamping block 81 for clamping the receiving plate is rotatably provided on the mounting plate 8. The side walls of the two clamping blocks 81 that are close to each other are provided with a slot 811 for engaging the receiving plate. The slot 811 extends to the bottom wall of the clamping block 81. By extending the slot 811 to the bottom wall of the clamping block 81, it is convenient to install the receiving plate from below the clamping block, which is easy to operate.

[0054] Reference Figure 3 The mounting plate 8 is provided with a second drive source 82 for driving the clamping block 81 to rotate. The second drive source 82 is a second motor, which is a servo motor. The second motor is fixedly mounted on the mounting plate 8, and the clamping block 81 is fixedly mounted on the output shaft of the second motor.

[0055] Reference Figure 3A mounting rod 52 is provided on the sliding seat 5 along the length direction perpendicular to the mounting beam 32. Two end plates 53 are fixedly provided on the sliding seat 5, and the side wall of the end plate 53 away from the other end plate 53 is flush with the side wall of the sliding seat 5. The mounting rod 52 is fixedly or rotatably disposed between the two end plates 53. The mounting plate 8 is slidably sleeved on the mounting rod 52. A worm gear 54 is rotatably disposed on the sliding seat 5, and the worm gear 54 is parallel to the mounting rod 52. A turbine 83 is provided on the mounting plate 8, and the turbine 83 meshes with the worm gear 54.

[0056] Reference Figure 4 and Figure 5 A gear 85 is rotatably mounted on the mounting plate 8, and the gear 85 is connected to the turbine 83 for transmission. The bottom wall of the sliding seat 5 has a toothed groove 55, and multiple toothed grooves 55 are arranged along the length of the mounting rod 52. The gear 85 meshes with the toothed grooves 55. A drive shaft 84 is rotatably mounted on the mounting plate 8. The turbine 85 is coaxially fixed at one end of the drive shaft 84. A drive groove 841 is opened along the radial direction of the drive shaft 84. A drive pin 842 is slidably arranged in the drive groove 841. The gear 85 is sleeved on the drive shaft 84, and the side wall of the gear 85 in contact with the drive shaft 84 has a drive hole 851 for the drive pin 842 to be inserted. Two drive holes 851 are symmetrically arranged along the central axis of the drive shaft 84. A hemisphere 8421 is provided at one end of the drive pin 842 near the gear 85. The drive hole 851 is adapted to the hemisphere 8421. A drive spring 8411 is provided in the transmission groove 841 to drive the drive pin 842 to slide out of the transmission groove 841. One end of the drive spring 8411 abuts against the bottom wall of the transmission groove 841, and the other end abuts against the drive pin 842.

[0057] Reference Figure 3 The sliding seat 5 is provided with a rotating assembly for driving the worm gear 54 to rotate. In this embodiment, the rotating assembly includes a first rotating motor 91, a first driving gear 92 and a first driven gear 93. The first rotating motor 91 is fixedly mounted on the sliding seat 5, the first driving gear 92 is coaxially fixedly mounted on the output shaft of the first rotating motor 91, and the first driven gear 93 is coaxially fixedly mounted on one end of the worm gear 54. The first driving gear 92 meshes with the first driven gear 93.

[0058] During calibration, it is necessary to ensure that the distance between the receiving points of the receiving plates is equal. The rotating assembly drives the worm gear 54 to rotate, which in turn drives the turbine 83 to rotate. Since the mounting plate 8 is slidably fitted onto the mounting rod 52, the worm gear 54 drives the turbine 83 to rotate while simultaneously driving the mounting plate 8 to slide along the mounting rod 52. This achieves the purpose of adjusting the position of the mounting plate 8, thereby adjusting the distance between the receiving plates and ensuring that the distance between adjacent receiving plates is equal, thus improving calibration accuracy.

[0059] Among them, reference Figure 2 and Figure 6 The mounting beam 32 is equipped with an elastic element for driving the two sliding seats 5 to slide closer to each other. The elastic element includes a spring 323. There are two sets of springs 323, each set including two springs 323. Each sliding seat 5 is connected to two springs 323, making the force on the sliding seat 5 more stable.

[0060] Reference Figure 6 A strip-shaped hole 324 is provided on the side wall of the mounting beam 32 along the length of the mounting beam 32. The strip-shaped hole 324 extends through the mounting beam 32 along the width of the mounting beam 32. A sliding plate 6 is slidably inserted into the strip-shaped hole 324, with both ends of the sliding plate 6 extending out of the strip-shaped hole 324. A positioning post 61 is fixedly installed on the sliding plate 6. One end of the spring 323 is hooked to the positioning post 61, and the other end is fixedly connected to the sliding seat 5.

[0061] Reference Figure 6 The bottom of the positioning post 61 is detachably equipped with an anti-detachment platform 62, on which a screw 621 is fixedly mounted. A threaded hole is formed in the bottom wall of the positioning post 61, and the screw 621 is threadedly connected to the threaded hole. When the spring 323 needs to be replaced, the anti-detachment platform 62 is unscrewed, and the spring 323 is pushed downwards to allow one end of the spring 323 to disengage from the bottom of the positioning post 61. This facilitates the replacement of the spring 323 and is a simple and convenient operation.

[0062] Among them, reference Figure 6 and Figure 7 The sliding plate 6 is provided with a limiting component for limiting the position of the sliding plate 6. The limiting component includes a first fixing block 71 and a limiting pin 72. The first fixing block 71 is fixedly mounted on the sliding plate 6, and the limiting components are provided at both ends of the sliding plate 6. The side wall of the mounting beam 32 is provided with a toothed groove 325, and multiple toothed grooves 325 are provided along the length direction of the mounting beam 32. The first fixing block 71 is provided with a limiting hole 711, and the limiting pin 72 slides through the limiting hole 711.

[0063] Reference Figure 6 and Figure 7A second fixing block 712 is fixedly mounted on the side wall of the first fixing block 71 away from the mounting beam 32, and the second fixing block 712 is fixedly connected to the first fixing block 71 by screws. The second fixing block 712 has a through hole 7121, the diameter of which is smaller than the diameter of the limiting hole 711. An abutment platform 723 is fixedly mounted on the limiting pin 72, a guide groove 7122 is formed on the inner wall of the through hole 7121, and a protrusion 721 for sliding connection with the guide groove 7122 is fixedly mounted on the limiting pin 72. A reset member, a compression spring 722, is provided on the first fixing block 71 for driving the limiting pin 72 into the toothed groove 325. The compression spring 722 is sleeved on the limiting pin 72, with one end of the compression spring abutting against the abutment platform 723 and the other end abutting against the side wall of the second fixing block 712 near the first fixing block 71.

[0064] When the position of the sliding plate 6 needs to be adjusted, pull out the limiting pin 72. After the protrusion 721 disengages from the guide groove 7122, rotate the limiting pin 72 to misalign the protrusion 721 with the guide groove 7122. Release the limiting pin 72. At this time, the protrusion 721 and the second fixing block 712 are pressed against the side wall away from the first fixing block 71, keeping the limiting pin 72 disengaged from the toothed groove 325. After the position of the sliding plate 6 is adjusted, rotate the limiting pin 72 again so that the protrusion 721 is aligned with the guide groove 7122. Under the action of the reset component, the limiting pin 72 automatically inserts into the toothed groove 325. The operation is simple and convenient. As the usage time increases, the elasticity of some springs 323 will change, resulting in uneven force on the clamping block 81, affecting the clamping effect on the receiving plate. By adjusting the position of the sliding plate 6, the elasticity of the springs 323 when clamping the receiving plate can be adjusted. After the position of the sliding plate 6 is adjusted, the position of the sliding plate 6 can be limited by the limiting component.

[0065] Reference Figure 9 An inclined plate 12 is rotatably mounted on the base 1, and the inclined plate 12 is tilted toward the direction of the calibration arm 2. A hinge shaft 13 is mounted on the base 1, and the hinge shaft 13 is perpendicular to the calibration arm 2. One end of the inclined plate 12 is rotatably connected to the hinge shaft 13. An adjustment block 121 is mounted on the inclined plate 12, and the light source 11 is mounted on the adjustment block 121.

[0066] Reference Figure 9 The base 1 is provided with an adjustment assembly 14 for adjusting the tilt angle of the tilt plate 12. The adjustment assembly 14 includes a vertical plate 141, an adjustment platform 142, and an adjustment rod 143. The vertical plate 141 is fixedly mounted on the base 1. The adjustment platform 142 is slidably mounted on the base 1 along the length direction of the base 1. The top wall of the adjustment platform 142 is provided with an adjustment slope for engaging with the tilt plate 12. The adjustment rod 143 passes through the vertical plate 141 and is threadedly connected to the vertical plate 141. One end of the adjustment rod 143 is ball-jointed with the adjustment platform 142.

[0067] Reference Figure 9 , Figure 10 An ear plate 122 is fixedly installed on the inclined plate 12. Two ear plates 122 are provided. The ear plates 122 are parallel to the hinge shaft 13. An adjusting block 121 is rotatably installed between the two ear plates 122, and the rotation axis of the adjusting block 121 is perpendicular to the hinge shaft 13.

[0068] Reference Figure 10 , Figure 11 The ear plate 122 is provided with a positioning component 15 for defining the position of the adjusting block 121. The positioning component 15 includes a positioning tube 151, a positioning pin 152, a positioning rod 153, and a positioning spring 154. The positioning tube 151 passes through the ear plate 122 and is fixedly connected to the ear plate 122. The end of the positioning tube 151 near the adjusting block 121 is open, and the end away from the adjusting block 121 is closed. The positioning pin 152 slides through the positioning tube 151, and a ball is provided at the end of the positioning pin 152 near the adjusting block 121. The positioning spring 154 is disposed in the positioning tube 151, and one end of the positioning spring 154 abuts against the positioning pin 152, and the other end abuts against the end face of the positioning tube 151. The adjusting block 121 has a recessed hole 1211 on its side wall near the positioning tube 151 for inserting the positioning pin 152. Multiple recessed holes 1211 are provided, and the line connecting the multiple recessed holes 1211 is an arc, so that the positioning pin 152 can be inserted into the recessed hole 1211 after the adjusting block 121 is rotated.

[0069] The implementation principle of this application embodiment is as follows: During the verification, the security inspection machine is moved to the calibration arm 2. The security inspection machine is equipped with two mounting end plates 1053 for installing and fixing the receiving plate. The mounting end plates 1053 are L-shaped in general. After the positions of multiple receiving plates are adjusted and verified, the positions of the receiving plates are kept fixed. Then, the receiving plates are fixed to the mounting end plates 1053 on the security inspection machine with screws, thus completing the installation of the receiving plates.

[0070] The length direction of the mounting beam 32 is taken as the X direction, and the length direction perpendicular to the mounting beam 32 is taken as the Y direction.

[0071] In actual operation, the receiving plate is clamped by the clamping block 81, and the light source 11 emits laser light to illuminate the receiving plate. The calibration arm 2 is driven to rotate by the first driving source 31 to adjust the horizontal angle of the receiving plate; the clamping block 81 is driven to rotate by the second driving source 82 to adjust the elevation angle of the receiving plate, thereby adjusting the angle between the receiving plate and the laser so that the brightness of the symmetrical receiving points on the left and right sides of the receiving plate is equal.

[0072] The mounting block 321 is driven to slide along the slide groove by the drive component 4. The mounting block 321 drives the mounting beam 32 to move, thereby adjusting the position of the receiving plate in the length direction of the mounting beam 32, so as to adjust the position of the receiving plate in the X direction, so that multiple receiving plates are on the same straight line.

[0073] In addition, during calibration, it is necessary to ensure that the distance between the receiving points of the receiving plates is equal. By driving the worm gear 54 to rotate, the worm gear 54 drives the turbine 83 to rotate. Since the mounting plate 8 is slidably sleeved on the mounting rod 52, the worm gear 54 drives the turbine 83 to rotate while simultaneously driving the mounting plate 8 to slide along the mounting rod 52, thereby adjusting the position of the mounting plate 8. This adjusts the position of the receiving plate in the Y direction, thus adjusting the distance between the receiving plates and ensuring that the distance between adjacent receiving plates is equal, thereby improving calibration accuracy.

[0074] This application enables automatic adjustment of the X and Y positions of the receiving board, as well as the horizontal and vertical angles of the receiving board. By irradiating the wafer on the receiving board with a laser, the position and angle of the receiving board are adjusted according to the offset on the wafer, eliminating the need for manual adjustment by workers, effectively improving calibration efficiency, overcoming human error caused by manual adjustment, and improving calibration accuracy.

[0075] Example 2:

[0076] The difference between this embodiment and Embodiment 1 is that the rotating components are different.

[0077] Reference Figure 8 The rotating assembly includes a second rotating motor 94, a second driving gear 95, and a second driven gear 96. The second rotating motor 94 is fixedly mounted on the sliding seat 5. The second driving gear 95 is coaxially fixed on the output shaft of the second rotating motor 94. The second driven gear 96 is rotatably mounted on the sliding seat 5 and meshes with both the second driving gear 95 and the worm gear 54. In this embodiment, the output shaft of the second rotating motor 94 is perpendicular to the axial direction of the worm gear 54. The second rotating motor 94, the second driving gear 95, the second driven gear 96, and the worm gear 54 are located between the two end plates 53. Compared to the method of setting the second rotating motor 94, the second driving gear 95, and the second driven gear 96 at one end of the worm gear 54, the arrangement in this embodiment effectively increases the distance that can be adjusted along the length of the calibration arm 2 between two adjacent mounting seats 3. This is because during calibration, it is necessary to control the spacing between all receiving points to be equal, that is, the distance between adjacent receiving plates needs to be consistent. The spacing between receiving points on the receiving plates of different models of security inspection machines varies. When the spacing between receiving points is small, this application can adjust the spacing between two adjacent receiving plates to be even smaller.

[0078] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An automatic X-ray laser calibration system, characterized in that: It includes a base (1) and a light source (11). The light source (11) is disposed on the base (1). A calibration arm (2) is disposed on the base (1). A mounting seat (3) is rotatably disposed on the calibration arm (2). Multiple mounting seats (3) are disposed. A first driving source (31) for driving the mounting seat (3) to rotate is disposed on the calibration arm (2). The bottom wall of the mounting base (3) is provided with a sliding groove along its length direction. The mounting beam (32) is fixedly provided with a mounting block (321). The mounting block (321) is slidably disposed in the sliding groove. The mounting base (3) is provided with a driving component (4) for driving the mounting block (321) to slide. The mounting base (3) is provided with a mounting beam (32), and two sliding seats (5) are slidably arranged on the mounting beam (32) along the length direction of the mounting beam (32). The mounting beam (32) is provided with an elastic element for driving the two sliding seats (5) to slide in a direction closer to each other. The sliding seat (5) is provided with a mounting plate (8), and a clamping block (81) for clamping the receiving plate is rotatably provided on the mounting plate (8). The mounting plate (8) is provided with a second driving source (82) for driving the clamping block (81) to rotate. An mounting rod (52) is provided on the sliding seat (5) along the length direction perpendicular to the mounting beam (32). The mounting plate (8) is slidably sleeved on the mounting rod (52). A worm gear (54) is rotatably provided on the sliding seat (5). The worm gear (54) is parallel to the mounting rod (52). A turbine (83) is provided on the mounting plate (8). The turbine (83) meshes with the worm gear (54). A rotating assembly for driving the worm gear (54) is provided on the sliding seat (5). A gear (85) is rotatably provided on the mounting plate (8). The gear (85) is connected to the turbine (83) in a transmission. A toothed groove (55) is opened on the bottom wall of the sliding seat (5). Multiple toothed grooves (55) are provided along the length direction of the mounting rod (52). The gear (85) meshes with the toothed grooves (55). A drive shaft (84) is rotatably mounted on the mounting plate (8). A turbine (85) is coaxially fixed at one end of the drive shaft (84). A drive groove (841) is provided on the drive shaft (84) along the radial direction of the drive shaft (84). A drive pin (842) is slidably disposed in the drive groove (841). A gear (85) is sleeved on the drive shaft (84), and a drive hole (851) is provided on the side wall of the gear (85) 85 that contacts the drive shaft (84) for the drive pin (842) to be inserted. 851) Two drive pins (842) are symmetrically arranged along the central axis of the drive shaft (84). A hemisphere (8421) is provided at one end of the drive pin (842) near the gear (85). The drive hole (851) is adapted to the hemisphere (8421). A drive spring (8411) is provided in the transmission groove (841) to drive the drive pin (842) to slide out of the transmission groove (841). One end of the drive spring (8411) abuts against the bottom wall of the transmission groove (841), and the other end abuts against the drive pin (842). An inclined plate (12) is rotatably mounted on the base (1), the inclined plate (12) is inclined toward the calibration arm (2), a hinge shaft (13) is mounted on the base (1), the hinge shaft (13) is perpendicular to the calibration arm (2), one end of the inclined plate (12) is rotatably connected to the hinge shaft (13), an adjustment block (121) is mounted on the inclined plate (12), the light source (11) is mounted on the adjustment block (121), and an adjustment component (14) for adjusting the tilt angle of the inclined plate (12) is mounted on the base (1).

2. The X-ray laser automatic calibration system according to claim 1, characterized in that: The drive assembly (4) includes a drive motor (41) and a lead screw (42). The lead screw (42) is rotatably mounted on the mounting base (3), and the drive motor (41) is fixedly mounted on the mounting base (3). The output shaft of the drive motor (41) is coaxially and fixedly connected to the lead screw (42).

3. The X-ray laser automatic calibration system according to claim 1, characterized in that: The two clamping blocks (81) have slots (811) on their sidewalls that are close to each other for engaging the receiving plate. The slots (811) extend to the bottom wall of the clamping blocks (81).

4. The X-ray laser automatic calibration system according to claim 1, characterized in that: The elastic element includes a spring (323). The side wall of the mounting beam (32) is provided with a strip hole (324) along the length direction of the mounting beam (32). A sliding plate (6) is slidably passed through the strip hole (324). A limiting component for limiting the position of the sliding plate (6) is provided on the sliding plate (6). A positioning post (61) is fixedly provided on the sliding plate (6). One end of the spring (323) is fixedly connected to the positioning post (61), and the other end is fixedly connected to the sliding seat (5).

5. The X-ray laser automatic calibration system according to claim 4, characterized in that: The limiting component includes a first fixing block (71) and a limiting pin (72). The first fixing block (71) is fixedly mounted on the sliding plate (6). The side wall of the mounting beam (32) is provided with a toothed groove (325). Multiple toothed grooves (325) are provided along the length direction of the mounting beam (32). The first fixing block (71) is provided with a limiting hole (711). The limiting pin (72) slides through the limiting hole (711).

6. The X-ray laser automatic calibration system according to claim 5, characterized in that: The first fixing block (71) is provided with a reset member for driving the limiting pin (72) to insert into the tooth groove (325).

7. The X-ray laser automatic calibration system according to claim 6, characterized in that: A second fixing block (712) is fixedly installed on the side wall away from the mounting beam (32) of the first fixing block (71). The second fixing block (712) has a through hole (7121). The diameter of the through hole (7121) is smaller than the diameter of the limiting hole (711). A guide groove (7122) is provided on the inner wall of the through hole (7121). A protrusion (721) for sliding connection with the guide groove (7122) is fixedly installed on the limiting pin (72).

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