X-ray tube testing equipment

Abstract

The present invention relates to the technical field of detection equipment, and in particular to an X-ray tube testing equipment, comprising a dark box, a photoelectric sensor, an air supply pipe and a first rotating wheel, wherein the dark box is used to provide a space for the detection of the X-ray tube, the photoelectric sensor is installed on the dark box and is used to detect the flash in the dark box, the air supply pipe is connected and installed on the dark box and is used to supply air into the dark box, and the first rotating wheel is rotated and located in the dark box; by adopting a one-way conveying X-ray tube and automatic detection mode, continuous conveying and testing of the X-ray tube can be realized, the need for manual intervention is reduced, and the testing efficiency is improved, and the testing mode avoids the possibility of misjudgment caused by worker fatigue or negligence.

Description

Technical Field

[0001] The present invention relates to the technical field of detection equipment, and in particular to an X-ray tube testing equipment. Background Art

[0002] X-ray tubes are indispensable core components in medical imaging, industrial inspection, scientific research and other fields. They emit high-energy electromagnetic radiation (i.e., X-rays) to penetrate matter to obtain information about its internal structure. The quality of X-ray tubes directly affects the imaging quality and the safety of operators.

[0003] Since the X-ray tube works in a high-pressure vacuum environment, its sealing is crucial to ensure normal operation. Any tiny leakage may cause the vacuum degree to drop, thereby affecting the efficiency of X-ray generation and may also cause safety problems. Therefore, it is very necessary to conduct strict sealing tests on X-ray tubes.

[0004] At present, the sealing inspection of X-ray tubes often uses high-voltage power supply. When the X-ray tube leaks, air will enter the X-ray tube. At this time, the X-ray tube is powered on, and the high voltage electricity will ionize the air in the tube, thereby generating electric sparks. Workers can determine whether the X-ray tube is leaking by direct observation. However, this inspection method requires workers to repeatedly connect and power on each X-ray tube, and requires workers to frequently observe whether the X-ray tube generates electric sparks. This inspection method is cumbersome and has a low degree of automation. The test results are easily affected by workers' negligence. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides an X-ray tube testing device, the specific technical solution adopted by the present invention is:

[0006] An X-ray tube testing device comprises a dark box, a photoelectric sensor, an air supply pipe and a first rotating wheel, wherein the dark box is used to provide a space for the detection of the X-ray tube, the photoelectric sensor is installed on the dark box and is used to detect the flash in the dark box, the air supply pipe is connected and installed on the dark box and is used to supply air into the dark box, the first rotating wheel is rotatably located in the dark box, and a plurality of notches for accommodating the X-ray tube are opened on the circumferential outer wall of the first rotating wheel;

[0007] Among them, conveying structures are provided on the upper and lower sides of the dark box, and the conveying structure is used to convey the X-ray tube, and the conveying direction of the X-ray tube is vertical, the axis of the first rotating wheel is horizontal, and conductive structures are provided on both end surfaces of the first rotating wheel, and the conductive structure is used to energize the X-ray tube.

[0008] Furthermore, a base shaft is provided in the middle of the first rotating wheel, the first rotating wheel rotates on the base shaft, and both ends of the base shaft are inclined;

[0009] The conductive structure includes a support shaft that is obliquely and rotatably installed in a dark box, a conductive disk rolling on the support shaft, an end of the support shaft rotatably installed on the end surface of a base shaft, two transmission cone rings are arranged between the conductive disk and the base shaft, the two transmission cone rings are connected to each other in transmission, one transmission cone ring is installed on the end surface of a first rotating wheel, and the other transmission cone ring is installed on the end surface of the conductive disk.

[0010] Furthermore, a plurality of sliding openings are provided on the circumferential outer wall of the conductive disk, and a conductive block is slidably arranged in each sliding opening. The conductive block slides along the axial direction of the support shaft. A spring sheet and a positioning plate are provided on the conductive block. The spring sheet is connected to the conductive disk, and the positioning plate is used to limit the position of the conductive block on the conductive disk.

[0011] Furthermore, each end surface of the first rotating wheel is provided with an arc-shaped rib in contact therewith, and the arc-shaped rib is fixed on the dark box through a support plate, and the arc-shaped rib is used to shield the X-ray tube in the notch.

[0012] Further, the conveying structure includes an arc-shaped cylinder installed on the dark box, one side of the arc-shaped cylinder is located in the dark box, and the other side of the arc-shaped cylinder is located outside the dark box. An opening is provided on the arc-shaped cylinder in the dark box, and a second rotating wheel is rotatably provided in the arc-shaped cylinder, and a plurality of receiving grooves are provided on the circumferential outer wall of the second rotating wheel;

[0013] When the second rotating wheel rotates in the arc-shaped cylinder, the second rotating wheel and the arc-shaped cylinder isolate the air inside and outside the dark box.

[0014] Furthermore, a rubber layer is laid in the notch and in the receiving groove.

[0015] Furthermore, the dark box is provided with a motor, the output end of the motor is provided with a worm, a first worm wheel and two second worm wheels are meshed on the worm, the first worm wheel is connected to a support shaft, and the two second worm wheels are connected to two second rotating wheels respectively.

[0016] Furthermore, a cylinder is rotatably provided on the dark box, an arc-shaped buckle plate is provided on the output end of the cylinder, and the arc-shaped buckle plate is buckled on the second rotating wheel on the conveying structure at the lower side;

[0017] Among them, the arc-shaped buckle plate is rotatably connected to the arc-shaped cylinder on the conveying structure on the lower side, and the arc-shaped buckle plate is rotatably connected to the output end of the cylinder.

[0018] The advantages of the present invention are:

[0019] By adopting the one-way X-ray tube conveying and automatic detection method, continuous conveying and testing of X-ray tubes can be achieved, reducing the need for manual intervention, improving testing efficiency, and this testing method avoids the possibility of misjudgment caused by worker fatigue or negligence;

[0020] By utilizing the dark environment inside the dark box, the photoelectric sensor can more easily capture the flash generated by the electric spark, thus improving the detection accuracy and sensitivity, avoiding the subjective error that may occur in naked eye observation, and at the same time using the air pressure difference to enhance the visibility of the electric spark during air leakage, thereby further improving the sensitivity of the test;

[0021] During the test, workers do not need to observe sparks frequently, which reduces their labor intensity and the requirements for their professional skills.

[0022] The operation and structure of the equipment are simpler, reducing the complicated operation steps;

[0023] In summary, this new type of X-ray tube testing equipment not only significantly improves the accuracy and efficiency of testing through automated and intelligent design, but also reduces labor costs and safety hazards. It is very suitable for application in large-scale production and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure of the middle dark box;

[0027] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure of the first rotating wheel and the structure thereon;

[0028] Figure 4 yes Figure 3 Schematic diagram of explosion structure;

[0029] Figure 5 yes Figure 4 Schematic diagram of the enlarged structure of the middle conductive disk;

[0030] Figure 6 yes Figure 2 Schematic diagram of the enlarged structure of the middle arc tube;

[0031] Markings in the accompanying drawings:

[0032] 1. Dark box; 2. Photoelectric sensor; 3. Air supply pipe; 4. First rotating wheel; 5. Notch; 6. Base shaft; 7. Support shaft; 8. Conductive disk; 9. Transmission cone ring; 10. Conductive block; 11. Spring piece; 12. Positioning plate; 13. Arc-shaped rib; 14. Support plate; 15. Arc-shaped cylinder; 16. Opening; 17. Second rotating wheel; 18. Storage slot; 19. Motor; 20. Worm; 21. First worm gear; 22. Second worm gear; 23. Cylinder; 24. Arc-shaped buckle plate. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inside” and “outside”, etc., are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. This embodiment is written in a progressive manner.

[0036] like Figures 1 to 3 As shown, an X-ray tube testing device of the present invention comprises a dark box 1, a photoelectric sensor 2, an air supply pipe 3 and a first rotating wheel 4, wherein the dark box 1 is used to provide a space for the detection of the X-ray tube, the photoelectric sensor 2 is installed on the dark box 1 and is used to detect the flash in the dark box 1, the air supply pipe 3 is connected and installed on the dark box 1 and is used to supply air into the dark box 1, the first rotating wheel 4 is rotatably located in the dark box 1, and a plurality of notches 5 for accommodating the X-ray tube are opened on the circumferential outer wall of the first rotating wheel 4;

[0037] Among them, conveying structures are provided on the upper and lower sides of the dark box 1, and the conveying structure is used to convey the X-ray tube, and the conveying direction of the X-ray tube is vertical, the axis of the first rotating wheel 4 is horizontal, and conductive structures are provided on both end surfaces of the first rotating wheel 4, and the conductive structures are used to energize the X-ray tube.

[0038] In detail, the dark box 1 is vertical, and the X-ray tube is sent from the upper conveying structure into the notch 5 on the first rotating wheel 4 in the dark box 1. The first rotating wheel 4 rotates and transports the X-ray tube to the lower conveying structure, and the X-ray tube is discharged from the bottom of the dark box 1 through the lower conveying structure, thereby realizing the transportation of the X-ray tube, and the X-ray tube is tested in the dark box 1, thus realizing continuous and automatic testing of the X-ray tube and improving its testing efficiency.

[0039] The photoelectric sensor 2 is installed on the dark box 1, and the head of the photoelectric sensor 2 is inserted into the dark box 1, the air supply pipe 3 is installed on the dark box 1, the axis of the first rotating wheel 4 is horizontal, and the first rotating wheel 4 can transport the X-ray tube through multiple notches 5, and both ends of the X-ray tube extend to the outside of the notch 5.

[0040] When in use, the dark box 1 has no lighting inside, so the brightness inside the dark box 1 is low. In this way, when high voltage is applied to the leaking X-ray tube, electric sparks can appear more clearly, which makes it easier for the photoelectric sensor 2 to capture the flash more accurately and improve the test sensitivity. At the same time, the air supply pipe 3 introduces air into the dark box 1 to put the inside of the dark box 1 in a high-pressure state. The pressure difference between the inside and outside of the X-ray tube in the dark box 1 will make it easier for air to enter the leaking X-ray tube, thereby increasing the amount of gas entering the X-ray tube, increasing the brightness of the electric spark, and further improving the detection sensitivity. The upper conveying structure sends the X-ray tube downward into the notch 5 on the first rotating wheel 4 in the dark box 1. The rotating wheel 4 rotates and drives the X-ray tube to move downward in an arc. The two sets of conductive structures on the first rotating wheel 4 can be electrically connected to the two ends of the X-ray tube, so that the X-ray tube is energized. When the X-ray tube leaks, the inside of the X-ray tube in the energized state will generate sparks due to air ionization. The photoelectric sensor 2 captures the flash when the spark is generated, thereby testing the X-ray tube. The first rotating wheel 4 rotates and transports the X-ray tube to the lower conveying structure. The lower conveying structure moves the X-ray tube out of the dark box 1. The X-ray tube can continuously pass through the dark box 1 to achieve testing, thereby improving the continuity of the test and facilitating use with the workshop automated production line.

[0041] By adopting the method of one-way X-ray tube transportation and automatic detection, continuous transportation and testing of X-ray tubes can be achieved, the need for manual intervention is reduced, the test efficiency is improved, and the test method avoids the possibility of misjudgment caused by worker fatigue or negligence; by utilizing the darker light environment inside the dark box 1, the photoelectric sensor 2 can more easily capture the flash generated by the electric spark, thereby improving the detection accuracy and detection sensitivity, avoiding the subjective error that may occur in naked eye observation, and at the same time utilizing the air pressure difference to enhance the visibility of the electric spark during leakage, thereby further improving the sensitivity of the test; during the test process, workers do not need to observe the electric spark frequently, which reduces the labor intensity of the workers and reduces the requirements for the workers' professional skills; the operation and structure of the equipment are simpler, and the complicated operation steps are reduced; in summary, this new type of X-ray tube testing equipment not only significantly improves the accuracy and efficiency of the test through automated and intelligent design, but also reduces labor costs and safety hazards, and is very suitable for application in large-scale production and maintenance links.

[0042] like Figure 4 As shown, a base shaft 6 is provided in the middle of the first rotating wheel 4, the first rotating wheel 4 rotates on the base shaft 6, and both ends of the base shaft 6 are inclined;

[0043] The conductive structure includes a support shaft 7 that is obliquely and rotatably installed in the dark box 1, a conductive disk 8 rolling on the support shaft 7, an end of the support shaft 7 rotatably installed on the end face of the base shaft 6, two transmission cone rings 9 are arranged between the conductive disk 8 and the base shaft 6, the two transmission cone rings 9 are connected to each other in transmission, one transmission cone ring 9 is installed on the end face of the first rotating wheel 4, and the other transmission cone ring 9 is installed on the end face of the conductive disk 8.

[0044] In detail, the axis of the support shaft 7 is horizontal, and it is inclined relative to the axis of the first rotating wheel 4, so the conductive disk 8 is inclined relative to the first rotating wheel 4, and the end surface of the base shaft 6 faces the support shaft 7. In this way, the two inclined support shafts 7 can be used to support the base shaft 6. Even if the support shaft 7 rotates, the base shaft 6 and the first rotating wheel 4 will not be displaced. The two transmission cone rings 9 can connect the conductive disk 8 with the first rotating wheel 4. Since the conductive disk 8 is inclined relative to the first rotating wheel 4, one side of the conductive disk 8 is close to the first rotating wheel 4, and the other side of the conductive disk 8 is far away from the first rotating wheel 4. When the X-ray tube falls into the notch at the top of the first rotating wheel 4 5, a support shaft 7 is rotated, and the support shaft 7 can drive the conductive disk 8 to rotate. Due to the action of the two transmission cone rings 9, the first rotating wheel 4 rotates synchronously, and the first rotating wheel 4 drives the X-ray tube to rotate. When the X-ray tube rotates to a position close to the conductive disk 8, the X-ray tube and the conductive disk 8 abut and are electrically connected to each other. The two conductive disks 8 energize the two ends of the X-ray tube, so as to use high voltage electricity to test whether there is leakage inside the X-ray tube, so as to realize the airtightness detection of the X-ray tube. With the continuous rotation of the first rotating wheel 4, the X-ray tube will gradually separate from the conductive disk 8, and the test of the X-ray tube is completed at this time.

[0045] like Figure 5 As shown, a plurality of sliding openings are provided on the circumferential outer wall of the conductive disk 8, and a conductive block 10 is slidably arranged in each sliding opening. The conductive block 10 slides along the axial direction of the support shaft 7, and a spring piece 11 and a positioning plate 12 are provided on the conductive block 10. The spring piece 11 is connected to the conductive disk 8, and the positioning plate 12 is used to limit the position of the conductive block 10 on the conductive disk 8.

[0046] In detail, since the conductive disk 8 and the first rotating wheel 4 rotate synchronously through the two transmission cone rings 9, the conductive blocks 10 and the notches 5 move synchronously, and the number of the conductive blocks 10 and the number of the notches 5 can be equal. When the X-ray tube moves on the first rotating wheel 4 to a position close to the conductive disk 8, the end of the X-ray tube contacts the conductive block 10. At this time, as the conductive disk 8 rotates, the X-ray tube can push the conductive block 10 to slide in the sliding mouth, so that the conductive block 10 and the X-ray tube maintain a longer contact and electrical connection time. At the same time, the conductive block 10 can buffer the X-ray tube to avoid damage to the X-ray tube when the conductive disk 8 is in direct hard contact with the X-ray tube. When the conductive block 10 moves, the spring piece 11 is elastically deformed, and the positioning plate 12 can position the conductive block 10 at its initial position on the conductive disk 8.

[0047] like Figure 4 As shown, each end surface of the first rotating wheel 4 is provided with an arc-shaped rib 13 , which is fixed to the dark box 1 through a support plate 14 , and is used to shield the X-ray tube in the notch 5 .

[0048] In detail, since the notch 5 and the X-ray tube therein perform arc motion, the X-ray tube will detach from the notch 5 when moving to the lower side of the first rotating wheel 4. Therefore, it is necessary to use an arc-shaped retaining edge 13 to block the X-ray tube, thereby keeping it in the notch 5. The support plate 14 can support the arc-shaped retaining edge 13.

[0049] like Figure 6 As shown, the conveying structure includes an arc-shaped cylinder 15 installed on the dark box 1, one side of the arc-shaped cylinder 15 is located in the dark box 1, and the other side of the arc-shaped cylinder 15 is located outside the dark box 1. An opening 16 is opened on the arc-shaped cylinder 15 in the dark box 1, and a second rotating wheel 17 is rotatably arranged in the arc-shaped cylinder 15, and a plurality of receiving grooves 18 are opened on the outer circumferential wall of the second rotating wheel 17;

[0050] When the second rotating wheel 17 rotates in the arc-shaped cylinder 15 , the second rotating wheel 17 and the arc-shaped cylinder 15 isolate the air inside and outside the dark box 1 .

[0051] In detail, the storage groove 18 can be used to hold the X-ray tube. When the second rotating wheel 17 rotates, it can drive the X-ray tube to move. When the storage groove 18 enters the arc tube 15, the inner wall of the arc tube 15 blocks the storage groove 18, thereby preventing the X-ray tube from falling at will.

[0052] The opening 16 of the upper conveying structure faces downward, and the opening 16 on the lower conveying structure faces upward. Therefore, when the receiving groove 18 on the upper conveying structure moves to the position of the opening 16, the X-ray tube can naturally fall into the notch 5 on the first rotating wheel 4. When the notch 5 carries the X-ray tube to the bottom of the first rotating wheel 4, the arc-shaped retaining edge 13 stops blocking the X-ray tube, and the X-ray tube can naturally fall into the receiving groove 18 on the lower conveying structure through the opening 16 on the lower conveying structure, thereby realizing the transportation of the X-ray tube.

[0053] The notch 5 and the receiving groove 18 are both provided with a rubber layer.

[0054] In detail, the rubber layer can be used to protect the X-ray tube and prevent it from being damaged by impact.

[0055] like Figure 1 As shown, the dark box 1 is provided with a motor 19, and a worm 20 is provided at the output end of the motor 19 for transmission. A first worm gear 21 and two second worm gears 22 are meshed on the worm gear 20, the first worm gear 21 is transmission connected to a support shaft 7, and the two second worm gears 22 are transmission connected to two second rotating wheels 17 respectively.

[0056] In detail, the motor 19 can drive the first worm gear 21 and the second worm gear 22 to rotate through the worm 20. Since the support shaft 7 on the first worm gear 21 is tilted, the first worm gear 21 is also tilted. By adopting the structural mode of the worm 20, it can simultaneously transmit the first worm gear 21 and the second worm gear 22, thereby driving the first rotating wheel 4 and the second rotating wheel 17 to rotate.

[0057] like Figure 1 As shown, a cylinder 23 is rotatably provided on the dark box 1, and an arc-shaped buckle plate 24 is provided on the output end of the cylinder 23, and the arc-shaped buckle plate 24 is buckled on the second rotating wheel 17 on the lower conveying structure;

[0058] The arc-shaped pinch plate 24 is rotatably connected to the arc-shaped cylinder 15 on the lower conveying structure, and the arc-shaped pinch plate 24 is rotatably connected to the output end of the cylinder 23 .

[0059] In detail, the lower conveying structure is used to discharge the X-ray tubes, and the arc-shaped buckle plate 24 can cover the multiple storage grooves 18 on the outside of the arc-shaped cylinder 15 on the lower conveying structure. Since there are two types of X-ray tubes, qualified and unqualified, the position of the arc-shaped buckle plate 24 can be adjusted by the cylinder 23, so that the X-ray tubes can be output in different directions on the arc-shaped buckle plate 24, which is convenient for their classification.

[0060] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An X-ray tube testing device, characterized in that: The apparatus comprises a dark box, a photoelectric sensor, an air supply pipe and a first rotating wheel, wherein the dark box is used to provide a space for detecting an X-ray tube, the photoelectric sensor is installed on the dark box and is used to detect flashes in the dark box, the air supply pipe is connected and installed on the dark box and is used to supply air into the dark box, the first rotating wheel is rotatably located in the dark box, and a plurality of notches for accommodating the X-ray tube are provided on the circumferential outer wall of the first rotating wheel; Wherein, conveying structures are provided on both the upper and lower sides of the dark box, and the conveying structures are used to convey the X-ray tube, and the conveying direction of the X-ray tube is vertical, the axis of the first rotating wheel is horizontal, and conductive structures are provided on both end surfaces of the first rotating wheel, and the conductive structures are used to energize the X-ray tube; A base shaft is arranged in the middle of the first rotating wheel, the first rotating wheel rotates on the base shaft, and both ends of the base shaft are inclined; The conductive structure comprises a support shaft that is obliquely and rotatably mounted in the dark box, a conductive disk rolling on the support shaft, an end of the support shaft rotatably mounted on the end surface of the base shaft, two transmission cone rings are arranged between the conductive disk and the base shaft, the two transmission cone rings are connected to each other in a transmission manner, one transmission cone ring is mounted on the end surface of the first rotating wheel, and the other transmission cone ring is mounted on the end surface of the conductive disk; A plurality of sliding openings are provided on the circumferential outer wall of the conductive disk, and a conductive block is slidably arranged in each sliding opening. The conductive block slides along the axial direction of the support shaft. A spring sheet and a positioning plate are provided on the conductive block. The spring sheet is connected to the conductive disk, and the positioning plate is used to limit the position of the conductive block on the conductive disk.

2. An X-ray tube testing device according to claim 1, characterized in that: Each end surface of the first rotating wheel is provided with an arc-shaped rib in contact therewith. The arc-shaped rib is fixed on the dark box through a support plate. The arc-shaped rib is used to shield the X-ray tube in the notch.

3. The X-ray tube testing device according to claim 2, characterized in that: The conveying structure comprises an arc-shaped cylinder installed on the dark box, one side of the arc-shaped cylinder is located in the dark box, and the other side of the arc-shaped cylinder is located outside the dark box. An opening is provided on the arc-shaped cylinder in the dark box, and a second rotating wheel is rotatably provided in the arc-shaped cylinder, and a plurality of receiving grooves are provided on the outer circumferential wall of the second rotating wheel; When the second rotating wheel rotates in the arc-shaped cylinder, the second rotating wheel and the arc-shaped cylinder isolate the air inside and outside the dark box.

4. The X-ray tube testing device according to claim 3, characterized in that: A rubber layer is laid in the notch and in the receiving groove.

5. The X-ray tube testing device according to claim 4, characterized in that: The dark box is provided with a motor, the output end of the motor is provided with a worm, a first worm wheel and two second worm wheels are meshed on the worm, the first worm wheel is connected to a supporting shaft, and the two second worm wheels are connected to two second rotating wheels respectively.

6. The X-ray tube testing device according to claim 5, characterized in that: The dark box is rotatably provided with a cylinder, and an arc-shaped buckle plate is provided on the output end of the cylinder, and the arc-shaped buckle plate is buckled on the second rotating wheel on the conveying structure at the lower side; Among them, the arc-shaped buckle plate is rotatably connected to the arc-shaped cylinder on the conveying structure on the lower side, and the arc-shaped buckle plate is rotatably connected to the output end of the cylinder.

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