An external surface cleaning device for a radioactive source

Abstract

This invention provides a device for cleaning the outer surface of a radioactive source, including a cleaning component, a clamping component, a turntable, and a sleeve. The cleaning component, clamping component, and turntable are respectively installed on a radioactive source processing line, and the turntable can rotate relative to the production line. The turntable has multiple mounting slots along its circumference, and a sleeve is installed in each mounting slot. Each sleeve can hold a radioactive source core. The actuating end of the cleaning component can be close to or away from the turntable, and the actuating end of the clamping component can clamp the bottom of the sleeve and drive the sleeve to rotate. The clamping component is located below the cleaning component. Compared to manual cleaning or cleaning with a single steel brush, this device for cleaning the outer surface of a radioactive source can thoroughly remove impurities from the outer surface of the source, reducing assembly failures caused by incomplete cleaning.

Description

Technical Field

[0001] This utility model belongs to the field of cleaning the outer surface of radioactive sources, and in particular relates to a device for cleaning the outer surface of radioactive sources. Background Technology

[0002] The radioactive source core is the core component of a radioactive source, made of radioactive material. The core is typically processed into a solid form such as ceramic, metal, or glass, and is tightly encapsulated within a double-layered stainless steel or other alloy shell. This sealed structure ensures that the radioactive material does not leak into the environment, thus guaranteeing safety during transportation, use, and storage. Its core function is to stably emit ionizing radiation, and it is widely used in fields such as medical radiotherapy, industrial non-destructive testing, nuclear medicine imaging, and scientific research. Currently, the outer surface of radioactive sources is mostly cleaned manually or with a single steel brush, resulting in incomplete cleaning of the source core. Utility Model Content

[0003] In view of this, the present invention aims to provide a device for cleaning the outer surface of a radioactive source, in order to solve the problem that manual cleaning or single steel brush cleaning in the prior art will result in incomplete cleaning of the radioactive source core, which will lead to assembly failure.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A device for cleaning the outer surface of a radioactive source includes a cleaning component, a clamping component, a turntable, and a jacket. The cleaning component, clamping component, and turntable are respectively installed on the radioactive source processing production line, and the turntable can rotate relative to the production line. The turntable has multiple mounting slots along its circumference, and a jacket is installed in each mounting slot. Each jacket can install a radioactive source core. The actuating end of the cleaning component can be close to or away from the turntable, and the actuating end of the clamping component can clamp the bottom of the jacket. The clamping component can drive the jacket to rotate, and the clamping component is located below the cleaning component.

[0006] Furthermore, the cleaning assembly includes a mounting base, a slider, a first servo motor, a steel brush, a first gear, and a rotary motor. The mounting base is installed on the production line, with the slider slidably connected to one side of the mounting base, and the first servo motor fixedly installed at the upper end of the mounting base. Two central shafts are rotatably connected inside the slider, with a steel brush installed at one end of each central shaft. The two central shafts are arranged parallel to each other, and the first gear is fixedly sleeved at the other end of each central shaft. The outer periphery of each first gear meshes with the output gear of the rotary motor, and the rotary motor is fixedly installed at the upper end of the slider.

[0007] Furthermore, a dust cover is fixedly sleeved around the slider, and the dust cover is located around the steel brush.

[0008] Furthermore, a lead screw is rotatably connected inside the mounting base, one end of which is fixedly connected to the movable end of the first servo motor. The first servo motor is fixedly mounted on the upper end of the mounting base, and the outer thread of the lead screw is connected to the slider.

[0009] Furthermore, two photoelectric switches are installed on one side of the mounting base, and the two photoelectric switches are arranged parallel to each other. One side of the slider is fixedly connected to one end of the photosensitive film, and the other end of the photosensitive film is used to sense the actuation end of either photoelectric switch.

[0010] Furthermore, the lower end of the mounting base is connected to the suction end of the dust hood, the outlet end of the dust hood is connected to an external vacuum cleaner, an air nozzle is installed inside the dust hood, the air inlet end of the air nozzle is connected to an external air pump, and the air jet end of the air nozzle faces the steel brush head.

[0011] Furthermore, the center of the turntable is fixedly connected to the output shaft of the rotary motor, which is fixedly mounted on the processing line of the radiation source.

[0012] Furthermore, a positioning sensor is installed on the clamping assembly, and a baffle is installed on one side of each mounting slot. The baffle is used to sense the actuator of the positioning sensor.

[0013] Furthermore, the clamp includes a clamp body, a seated bearing, a pull rod, a pull block, a sleeve 46, and a second gear. The sleeve is provided around the clamp body and is rotatably mounted in the mounting groove via the seated bearing. The clamp body can move axially relative to the sleeve, and the upper outer periphery of the clamp body is snapped into the upper inner ring of the sleeve. One end of the pull rod is fixedly connected to the lower end of the clamp body, and the other end of the pull rod is rotatably connected to the pull block. The pull block can be snapped into the clamping assembly. The second gear is fixedly sleeved around the pull rod and can mesh with the clamping assembly.

[0014] Furthermore, the clamping assembly includes a pull-down base, a cylinder, and a second servo motor. The outer periphery of the second gear can mesh with the output gear of the second servo motor. The second servo motor is fixedly installed on the production line. A cylinder is fixedly installed on one side of the second servo motor. The movable end of the cylinder is connected to the closed end of the pull-down base, and the other end of the pull-down base is used to clamp the outer periphery of the pull block.

[0015] Compared with the prior art, the radioactive source outer surface cleaning device of this utility model has the following beneficial effects:

[0016] (1) The external surface cleaning device of the radiation source described in this utility model is equipped with a steel brush. Compared with manual cleaning or single steel brush cleaning, it can thoroughly remove stubborn impurities on the surface of the external tooth, and also ensure that the tooth shape of the external tooth is intact and the surface is smooth, providing a reliable foundation for subsequent inspection of go gauges and no-go gauges and source installation, and reducing assembly failures caused by incomplete cleaning.

[0017] (2) The device for cleaning the outer surface of a radioactive source described in this utility model is equipped with two photoelectric switches, which can determine the position of the steel brush and accurately clean the upper end of the radioactive source core.

[0018] (3) The radiation source outer surface cleaning device described in this utility model can clamp the radiation source core and rotate the source core to cooperate with subsequent steel brush cleaning, thereby improving work efficiency and the automation level of the overall device.

[0019] (4) The device for cleaning the outer surface of a radioactive source described in this utility model blows out high-pressure gas through an air pump and directs it to the core of the radioactive source through an air nozzle, and sucks in the scattered dust and metal debris through a vacuum cleaner, keeping the overall device clean and extending its service life. Attached Figure Description

[0020] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of a radiation source outer surface cleaning device according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the cleaning component described in an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of the dust cover described in an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of the jacket body according to an embodiment of the present utility model;

[0025] Figure 5 This is a schematic diagram of the clamping assembly described in an embodiment of the present utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1-Cleaning component; 11-Mounting base; 12-Slider; 13-First servo motor; 14-Steel brush; 15-First gear; 16-Rotating motor; 17-Dust cover; 171-Air nozzle; 18-Dust suction cover; 111-Photoelectric switch; 121-Photosensitive film; 2-Clamping component; 21-Pull-down base; 22-Cylinder; 23-Second servo motor; 3-Turntable; 31-Mounting slot; 4-Clipper; 41-Clipper body; 42-Bearing with seat; 43-Pull rod; 44-Pull block; 45-Second gear; 46-Sleeve. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0029] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0031] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0032] like Figure 1 As shown, a device for cleaning the outer surface of a radioactive source includes a cleaning component 1, a clamping component 2, a turntable 3, and a sleeve 4. The cleaning component 1, the clamping component 2, and the turntable 3 are respectively installed on the processing production line of the radioactive source, and the turntable 3 can rotate relative to the production line. The turntable 3 has multiple mounting slots 31 along its circumference, and a sleeve 4 is provided in each mounting slot 31. Each sleeve 4 can install a radioactive source core. The actuating end of the cleaning component 1 can be close to or away from the turntable 3. The actuating end of the clamping component 2 can clamp the bottom of the sleeve 4, and the clamping component 2 can drive the sleeve 4 to rotate. The clamping component 2 is located below the cleaning component 1.

[0033] like Figure 2As shown, the cleaning component 1 includes a mounting base 11, a slider 12, a first servo motor 13, a steel brush 14, a first gear 15, and a rotary motor 16. The mounting base 11 is installed on the production line. The slider 12 is slidably connected to one side of the mounting base 11, and the first servo motor 13 is fixedly installed on the upper end of the mounting base 11. Two central shafts are rotatably connected inside the slider 12. A steel brush 14 is installed at one end of each central shaft. The two central shafts are arranged parallel to each other. The first gear 15 is fixedly sleeved at the other end of each central shaft. The outer periphery of each first gear 15 meshes with the output gear of the rotary motor 16. The rotary motor 16 is fixedly installed on the upper end of the slider 12. A dust cover 17 is fixedly sleeved on the outer periphery of the slider 12. The dust cover 17 is located outside the steel brush 14. A lead screw is rotatably connected inside the mounting base 11. One end of the lead screw is fixedly connected to the movable end of the first servo motor 13. The first servo motor 13 is fixedly installed on the upper end of the mounting base 11, and the outer periphery of the lead screw is threaded to the slider 12. The rotating motor 16 is existing technology. The model of the rotating motor 16 is ATO-160SY-M01113130S. When the controller is turned on, the controller controls the rotating motor 16 to rotate, which drives the steel brush 14 to rotate synchronously. It cleans the upper two sides of the source core. The dual steel brushes rotate at high speed and work together to clean the outer teeth of the source core without dead angles. Compared with manual cleaning or single steel brush cleaning, it can thoroughly remove stubborn impurities on the surface of the outer teeth and ensure the integrity of the outer teeth and the smoothness of the surface. This provides a reliable foundation for subsequent go gauge and no-go gauge inspection and source installation, and reduces assembly failures caused by incomplete cleaning.

[0034] The first servo motor 13 is existing technology. The model of the first servo motor 13 is 0111111391717-wxstep. A lead screw is rotatably connected inside the mounting base 11. One end of the lead screw is fixedly connected to the movable end of the first servo motor 13. The first servo motor 13 is fixedly installed on the upper end of the mounting base 11. The outer thread of the lead screw is connected to the slider 12. When the first servo motor 13 is started, it drives the lead screw inside the mounting base 11 to rotate. Since the lead screw is threadedly connected to the slider 12, the slider 12 slides vertically along the mounting base 11 and drives the steel brush installed at the upper end to move to the upper end of the source core.

[0035] like Figure 2 As shown, two photoelectric switches 111 are installed on one side of the mounting base 11. The two photoelectric switches 111 are arranged parallel to each other. One side of the slider 12 is fixedly connected to one end of the photosensitive film 121. The photoelectric switch 111 is existing technology, and the model of the photoelectric switch 111 is EE-SX161712. The other end of the photosensitive film 121 is used to sense the execution end of any photoelectric switch 111. When the photosensitive film triggers a set of photoelectric switches 111 on the mounting base 11, the control system determines that the steel brush 14 has descended to a preset height that is flush with the outer teeth of the source core. The first servo motor 13 stops rotating, and the vertical position calibration is completed. The two photoelectric switches 111 can determine the position of the steel brush 14 and accurately clean the upper end of the radiation source core.

[0036] like Figure 3 As shown, the lower end of the mounting base 11 is connected to the suction end of the dust hood 18, and the outlet end of the dust hood 18 is connected to an external vacuum cleaner. An air nozzle 171 is installed inside the dust cover 17, and the air inlet end of the air nozzle 171 is connected to an external air pump. The air jet end of the air nozzle 171 faces the brush head of the steel brush 14. The vacuum cleaner is existing technology, and the model of the vacuum cleaner is Weideer WX-1316110. The air pump is existing technology, and the model of the air pump is Yufeng 12RB14110-17H11 / 13180V. High-pressure gas is blown out by the air pump and directed through the air nozzle 171 towards the radiation source core. The scattered dust and metal debris enter the dust hood 18 and are sucked into the external vacuum cleaner by the vacuum cleaner.

[0037] like Figure 5 As shown, the center of turntable 3 is fixedly connected to the output shaft of a rotary motor, which is fixedly mounted on the processing line for the radiation source. The rotary motor is existing technology, model MZ180-15-ST-14-73-98.4-M5. A positioning sensor is installed on clamping assembly 2. A baffle is installed on one side of each mounting slot 31. The baffle is used to sense the actuator of the positioning sensor. The positioning sensor is existing technology, model GTB6-N1212. When the controller is turned on, it drives the rotary motor to rotate, which in turn drives the turntable 3 to rotate axially. Under the action of the positioning sensor, the radiation source core is precisely positioned below the cleaning assembly 1.

[0038] like Figure 4 and Figure 5As shown, the clamp 4 includes a clamp body 41, a seated bearing 42, a pull rod 43, a pull block 44, a sleeve 46, and a second gear 45. The sleeve 46 is disposed around the clamp body 41 and is rotatably mounted in the mounting groove 31 via the seated bearing 42. The clamp body 41 can move axially relative to the sleeve 46, and the upper outer periphery of the clamp body 41 is engaged with the upper inner ring of the sleeve 46. One end of the pull rod 43 is fixedly connected to the lower end of the clamp body 41, and the other end of the pull rod 43 is rotatably connected to the pull block 44. The pull block 44 can be engaged within the clamping assembly 2. The second gear 45 is fixedly sleeved around the pull rod 43 and can mesh with the clamping assembly 2. The clamping assembly 2 includes a pull-down mechanism. The system includes a base 21, a cylinder 22, and a second servo motor 23. The outer periphery of the second gear 45 can mesh with the output gear of the second servo motor 23. The second servo motor 23 is fixedly installed on the production line. The cylinder 22 is fixedly installed on one side of the second servo motor 23. The movable end of the cylinder 22 is connected to the closed end of the pull-down base 21. The other end of the pull-down base 21 is used to clamp the periphery of the pull block 44. The clamping body 41 is prior art, and the model of the clamping body 41 is Hoffman ER13835010900. The cylinder 22 is prior art, and the model of the cylinder 22 is MD25x20-S20. The second servo motor 23 is prior art, and the model of the second servo motor 23 is 57CM13.

[0039] The controller starts the cylinder 22, whose movable end pulls the pull-down seat 21, causing the pull-down seat 21 to clamp the pull block 44 at the end of the pull rod 43. The pull block 44 limits the pull rod 43, keeping the jacket body 41 stable. The cylinder 22 pulls the pull rod 42, causing the jacket body 41 to retract within the sleeve 46 and clamp the radiation source core. Then, the second servo motor 23 of the clamping assembly 2 starts, and its output gear meshes with the second gear 45 fixed on the periphery of the pull rod 43 of the jacket 2, driving the pull rod 43 and the jacket body 41 to rotate synchronously. This causes the radiation source core inside the jacket body 41 to rotate accordingly, working with the steel brush 14 of the cleaning assembly 1 to complete the cleaning of the outer surface. After cleaning is completed, the second servo motor 23 stops running, and the movable end of the cylinder 22 pulls back, causing the pull-down seat 21 to release the pull block 44, so that the turntable 3 can transfer it to the next process.

[0040] The working process of a device for cleaning the outer surface of a radioactive source:

[0041] When the radioactive source core is placed inside the jacket body 41, the turntable 3 rotates to transport the radioactive source core to the bottom of the cleaning component 1. First, the cylinder 22 of the clamping component 2 is activated, and its movable end pushes the pull seat 21 to hold the pull block 44 at the end of the pull rod 43 at the bottom of the jacket 4, keeping the jacket body 41 stable. Pulling the pull rod 42 simultaneously causes the jacket body 41 to retract within the sleeve 46 and clamp the radioactive source core. The output gear of the second servo motor 23 meshes with the second gear 45 on the periphery of the pull rod 43, driving the jacket body 41 and the internal radioactive source core to rotate synchronously. Then, the turntable 3 rotates under the drive of the rotary motor, and with the help of the positioning sensor of the clamping component 2 to sense the baffle on one side of the mounting slot 31, the jacket 4 and the radioactive source core are accurately positioned below the cleaning component 1. Then, the first servo motor of the cleaning component 1... The servo motor 13 drives the lead screw inside the mounting base 11 to rotate, causing the slider 12 to drive the steel brush 14 to descend vertically. When the photosensitive film 121 on one side of the slider 12 triggers the photoelectric switch 111 of the mounting base 11, the steel brush 14 stops at the same height as the outer teeth of the radioactive source core. The rotating motor 16 drives the double steel brush 14 to rotate at high speed through the first gear 15 to clean the outer teeth of the rotating radioactive source core. The external air pump sprays air onto the steel brush 14 through the air nozzle 171 inside the dust cover 17. The dust suction cover 18 at the lower end of the mounting base 11 works with the external vacuum cleaner to suck up the debris. After cleaning is completed, the rotating motor 16 stops, the first servo motor 13 drives the slider 12 and steel brush 14 to rise and reset, the cylinder 22 pulls back the pull block 44 to loosen the clamp 4 and open the core, and the turntable 3 rotates to drive the radioactive source core into the next process.

[0042] The control method in this embodiment is controlled by a controller. The controller circuit can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this document is mainly used to protect mechanical devices, and the control method and circuit connection will not be explained in detail here.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for cleaning the outer surface of a radioactive source, characterized in that: The device includes a cleaning component (1), a clamping component (2), a turntable (3), and a sleeve (4). The cleaning component (1), the clamping component (2), and the turntable (3) are respectively installed on the processing line of the radioactive source. The turntable (3) can rotate relative to the production line. The turntable (3) has multiple mounting slots (31) along its circumference. Each mounting slot (31) contains a sleeve (4). Each sleeve (4) can be used to install the radioactive source core. The actuating end of the cleaning component (1) can be close to or away from the turntable (3). The actuating end of the clamping component (2) can clamp the bottom of the sleeve (4). The clamping component (2) can drive the sleeve (4) to rotate. The clamping component (2) is located below the cleaning component (1).

2. The device for cleaning the outer surface of a radioactive source according to claim 1, characterized in that: The cleaning component (1) includes a mounting base (11), a slider (12), a first servo motor (13), a steel brush (14), a first gear (15), and a rotary motor (16). The mounting base (11) is set on the production line. The slider (12) is slidably connected to one side of the mounting base (11). The first servo motor (13) is fixedly installed on the upper end of the mounting base (11). Two central shafts are rotatably connected inside the slider (12). A steel brush (14) is set at one end of each central shaft. The two central shafts are set parallel to each other. The first gear (15) is fixedly sleeved at the other end of each central shaft. The outer periphery of each first gear (15) meshes with the output gear of the rotary motor (16). The rotary motor (16) is fixedly installed on the upper end of the slider (12).

3. The device for cleaning the outer surface of a radioactive source according to claim 2, characterized in that: A dust cover (17) is fixedly sleeved around the slider (12), and the dust cover (17) is located around the steel brush (14).

4. The device for cleaning the outer surface of a radioactive source according to claim 1, characterized in that: The mounting base (11) is rotatably connected to the lead screw. One end of the lead screw is fixedly connected to the movable end of the first servo motor (13). The first servo motor (13) is fixedly installed on the upper end of the mounting base (11). The outer thread of the lead screw is connected to the slider (12).

5. The device for cleaning the outer surface of a radioactive source according to claim 2, characterized in that: Two photoelectric switches (111) are installed on one side of the mounting base (11). The two photoelectric switches (111) are arranged parallel to each other. One side of the slider (12) is fixedly connected to one end of the photosensitive film (121). The other end of the photosensitive film (121) is used to sense the execution end of any photoelectric switch (111).

6. The device for cleaning the outer surface of a radioactive source according to claim 4, characterized in that: The lower end of the mounting base (11) is connected to the suction end of the dust hood (18), the outlet end of the dust hood (18) is connected to an external vacuum cleaner, the air nozzle (171) is installed inside the dust cover (17), the air inlet end of the air nozzle (171) is connected to an external air pump, and the air jet end of the air nozzle (171) faces the brush head of the steel brush (14).

7. The device for cleaning the outer surface of a radioactive source according to claim 1, characterized in that: The middle part of the turntable (3) is fixedly connected to the output shaft of the rotary motor, and the rotary motor is fixedly installed on the processing production line of the radiation source.

8. The device for cleaning the outer surface of a radioactive source according to claim 1, characterized in that: A positioning sensor is installed on the clamping assembly (2), and a baffle is installed on one side of each mounting slot (31). The baffle is used to sense the actuator of the positioning sensor.

9. The device for cleaning the outer surface of a radioactive source according to claim 1, characterized in that: The clamp (4) includes a clamp body (41), a seated bearing (42), a pull rod (43), a pull block (44), a sleeve (46), and a second gear (45). The sleeve (46) is provided around the clamp body (41). The sleeve (46) is rotatably disposed in the mounting groove (31) through the seated bearing (42). The clamp body (41) can move axially relative to the sleeve (46). The upper outer periphery of the clamp body (41) is snapped to the upper inner ring of the sleeve (46). The lower end of the clamp body (41) is fixedly connected to one end of the pull rod (43). The other end of the pull rod (43) is rotatably connected to the pull block (44). The pull block (44) can be snapped into the clamping assembly (2). The outer periphery of the pull rod (43) is fixedly sleeved with the second gear (45). The second gear (45) can mesh with the clamping assembly (2).

10. A device for cleaning the outer surface of a radioactive source according to claim 9, characterized in that: The clamping assembly (2) includes a pull-down seat (21), a cylinder (22), and a second servo motor (23). The outer periphery of the second gear (45) can mesh with the output gear of the second servo motor (23). The second servo motor (23) is fixedly installed on the production line. The cylinder (22) is fixedly installed on one side of the second servo motor (23). The movable end of the cylinder (22) is connected to the closed end of the pull-down seat (21). The other end of the pull-down seat (21) is used to clamp the outer periphery of the pull block (44).

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