Sun gear hub gear welding detection device

Abstract

The utility model relates to the technical field of sun gear manufacturing, and discloses a sun gear hub gear welding detection device, which comprises a positioning feeding part, the detection assembly comprises a detection table, a transfer part, a clamping part, an ultrasonic probe and a positioning rotating part, the detection table is arranged on one side of the positioning feeding part, a detection groove is formed in the detection table, at least one part of the positioning rotating part is arranged in the detection groove, the transfer part is installed on the detection table, the clamping part is installed on the transfer part, and the ultrasonic probe is installed on the clamping part; the positioning discharging part is arranged on one side, far away from the positioning feeding part, of the detection table; the waste collecting box is arranged on the side, away from the detection table, of the positioning discharging part. According to the sun gear hub gear welding detection device, the transfer part controls the clamping part to clamp the to-be-detected welding piece on the positioning feeding part, the to-be-detected welding piece is transferred to the positioning rotating part to be detected under the control of the transfer part, the whole process is automatic, time and labor are saved, and the detection efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sun gear manufacturing field, more specifically, it relates to sun gear tooth hub gear welding detection device. BACKGROUND

[0002] Sun gear is an important component in mechanical transmission system, in the manufacturing process of sun gear, two spare parts of tooth hub and gear are welded together to transmit power and torque higher, after tooth hub and gear welding, welding detection is usually carried out to the welded part to determine whether the welding quality is qualified, and the unqualified product is removed to ensure the quality of product.

[0003] The existing sun gear tooth hub gear welding detection device usually needs staff to manually place the welding piece (the combined piece after tooth hub and gear welding), position the welding piece, then detect the weld of the welding piece, and then determine whether the welding piece is qualified according to the detection result, and take out the detected welding piece and place it in the specified position, the detection process is time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the defects in the prior art, and provides a sun gear tooth hub gear welding detection device which can automatically position the welding piece and screen the detected welding piece.

[0005] To achieve the above object, the utility model provides a sun gear tooth hub gear welding detection device, which comprises:

[0006] The positioning feeding part is used for conveying the welding piece to be detected to the clamping position.

[0007] The detection assembly comprises a detection table, a transfer part, a clamping part, an ultrasonic probe and a positioning rotating part, the detection table is arranged on one side of the positioning feeding part, the detection table is provided with a detection groove, at least a part of the positioning rotating part is arranged in the detection groove, the transfer part is installed on the detection table, the transfer part is used for transferring the welding piece to be detected on the positioning feeding part to the positioning rotating part for detection, and the welding piece after detection is transferred out, the clamping part is installed on the transfer part, and the ultrasonic probe is installed on the clamping part.

[0008] The positioning discharging part is arranged on the side, away from the positioning feeding part, of the detection table and is used for conveying the qualified welding piece.

[0009] The waste collecting box is arranged on the side, away from the detection table, of the positioning discharging part and is used for collecting the unqualified welding piece.

[0010] The solar gear tooth hub gear welding detection device is characterized in that the conveying part controls the clamping part to move, the clamping part clamps the welding piece to be detected on the positioning feeding part, and the welding piece to be detected is conveyed to the positioning rotating part for detection through the control of the conveying part; in the detection process, the clamping part loosens the welding piece to be detected, the positioning rotating part drives the welding piece to be detected to rotate, the ultrasonic probe detects the weld of the welding piece, after the detection is completed, the clamping part clamps the welding piece again, and the qualified welding piece is conveyed to the positioning discharging part or the unqualified welding piece is conveyed to the waste collecting box through the control of the conveying part, the whole process is automatic, time and labor are saved, and the detection efficiency is greatly improved.

[0011] As preferred, the positioning feeding part comprises a first conveyor and a first positioning piece, the first positioning piece comprises a first support backing plate and a first positioning tooth column, the first support backing plate is fixedly installed on the conveying belt of the first conveyor, the first positioning tooth column is fixedly installed on the first support backing plate, and the first positioning tooth column is in meshing connection with the gear.

[0012] As preferred, the conveying part comprises a first linear module, a second linear module and a connecting frame, the first linear module is fixedly installed on the detection table, the first linear module is vertically arranged, the second linear module is fixedly installed at the output end of the first linear module, the second linear module is horizontally arranged, one end of the connecting frame is fixedly connected to the output end of the second linear module, and the other end of the connecting frame is fixedly connected with the clamping part.

[0013] Preferably, the clamping part comprises an adjusting plate, a first waterproof motor, a rotating rod, a first connecting rod, a first clamping plate, a second connecting rod and a second clamping plate, the adjusting plate is fixedly connected with the connecting frame, a first sliding groove is arranged at the bottom of the adjusting plate, the first waterproof motor is fixedly installed on the adjusting plate, the output end of the first waterproof motor extends out of the bottom surface of the adjusting plate, the output end of the first waterproof motor is fixedly connected with the center of the rotating rod, one end of the first connecting rod and one end of the second connecting rod are rotatably connected with the two ends of the rotating rod respectively, the other end of the first connecting rod is rotatably connected with the first clamping plate, and the other end of the second connecting rod is rotatably connected with the second clamping plate, and the first clamping plate and the second clamping plate are slidably connected with the first sliding groove. With the above design, the first waterproof motor drives the rotating rod to rotate, thereby driving the first connecting rod and the second connecting rod to move, and further driving the first clamping plate and the second clamping plate to move close to each other to clamp the welding piece, or to move away from each other to loosen the welding piece.

[0014] Preferably, the first clamping plate is fixedly connected with a first rubber pad on the side close to the second clamping plate, and the second clamping plate is fixedly connected with a second rubber pad on the side close to the first clamping plate. With the above design, the first clamping plate and the second clamping plate clamp the welding piece through the first rubber pad and the second rubber pad, so that the welding piece is not damaged and the clamping is stable, and the welding piece will not slip.

[0015] Preferably, the ultrasonic probe is installed on the adjusting plate through a connecting block, a second sliding groove horizontally arranged is formed on one side of the adjusting plate, the connecting block is slidably connected with the second sliding groove, and the connecting block is locked on the adjusting plate through a locking handle. With the above design, the position of the ultrasonic probe can be adjusted by adjusting the position of the connecting block, so that the ultrasonic probe can accurately detect the weld of the welding piece.

[0016] Preferably, the positioning rotating part comprises a second waterproof motor, a second supporting pad and a second positioning tooth column, the second waterproof motor is installed in the detection table, the output end of the top of the second waterproof motor extends out of the inner wall of the bottom of the detection groove, the second supporting pad is fixedly connected with the output end of the second waterproof motor, and the second positioning tooth column is fixedly installed on the second supporting pad and is in meshing connection with a gear. With the above design, the second waterproof motor drives the second supporting pad to rotate, thereby driving the second positioning tooth column to rotate, and further driving the welding piece to be detected to rotate, so that the ultrasonic probe can comprehensively detect the circular weld.

[0017] Preferably, the positioning discharge part comprises a second conveyor and a second positioning member, the second positioning member comprises a third supporting base plate and a third positioning tooth column, the third supporting base plate is fixedly installed on the conveying belt of the second conveyor, the third positioning tooth column is fixedly installed on the third supporting base plate, and the third positioning tooth column is in meshing connection with the gear.

[0018] The utility model discloses the beneficial effect lies in:

[0019] By using the sun gear tooth hub gear welding detection device, the transfer part controls the movement of the clamping part, the clamping part clamps the welding piece to be detected on the positioning feeding part, and the welding piece to be detected is transferred to the positioning rotating part for detection through the control of the transfer part. During the detection process, the clamping part releases the welding piece to be detected, the positioning rotating part drives the welding piece to be detected to rotate, the ultrasonic probe detects the weld of the welding piece, after the detection is completed, the clamping part clamps the welding piece again, and the qualified welding piece is transferred to the positioning discharge part or the unqualified welding piece is transferred to the waste collection box through the control of the transfer part. Full automation, time and labor saving, greatly improve the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the welding flowchart of sun gear tooth hub and gear;

[0021] Figure 2 It is the overall structure schematic diagram of sun gear tooth hub gear welding detection device;

[0022] Figure 3 It is the sun gear tooth hub gear welding detection device overhead sectional view schematic diagram;

[0023] Figure 4 It is the three-dimensional structure schematic diagram of first positioning member;

[0024] Figure 5 It is the three-dimensional structure schematic diagram of clamping part and ultrasonic probe;

[0025] Figure 6 It is the main view sectional view schematic diagram of detection table and positioning rotating part;

[0026] Figure 7 It is the three-dimensional structure schematic diagram of second supporting base plate and second positioning tooth column;

[0027] Figure 8 It is the three-dimensional structure schematic diagram of second positioning member.

[0028] In the diagram: 100, positioning feed section; 110, first conveyor; 120, first positioning component; 121, first support pad; 122, first positioning toothed column;

[0029] 200. Testing table; 210. Testing slot;

[0030] 300. Transfer unit; 310. First linear module; 320. Second linear module; 330. Connecting frame;

[0031] 400. Clamping part; 410. Adjusting plate; 411. First slide groove; 412. Second slide groove; 420. First waterproof motor; 430. Rotating rod; 440. First connecting rod; 450. First clamping plate; 451. First rubber pad; 460. Second connecting rod; 470. Second clamping plate; 471. Second rubber pad; 480. Connecting block; 490. Locking handle;

[0032] 500. Ultrasonic probe;

[0033] 600. Positioning rotating part; 610. Second waterproof motor; 620. Second support pad; 630. Second positioning toothed column;

[0034] 700. Positioning discharge section; 710. Second conveyor; 720. Second positioning component; 721. Third support pad; 722. Third positioning toothed column;

[0035] 800. Waste collection bins;

[0036] 910. Gear hub; 920. Gear. Detailed Implementation

[0037] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed to enable those skilled in the art to better understand and implement the subject matter described herein. Changes may be made to the function and arrangement of the elements discussed without departing from the scope of this specification. Various processes or components may be omitted, substituted, or added as needed in the examples. Furthermore, features described in some examples may be combined in other examples. Example

[0038] like Figures 1-8 As shown, the sun gear hub welding inspection device includes:

[0039] The positioning feed section 100 is used to transport the welded parts to be inspected to the clamping position;

[0040] The detection assembly comprises a detection table 200, a transfer part 300, a clamping part 400, an ultrasonic probe 500 and a positioning rotating part 600. The detection table 200 is arranged on one side of the positioning feeding part 100. The detection table 200 is provided with a detection groove 210. At least a part of the positioning rotating part 600 is arranged in the detection groove 210. The transfer part 300 is installed on the detection table 200. The transfer part 300 is used for transferring the welding piece to be detected on the positioning feeding part 100 to the positioning rotating part 600 for detection, and transferring the detected welding piece. The clamping part 400 is installed on the transfer part 300. The ultrasonic probe 500 is installed on the clamping part 400.

[0041] The positioning discharging part 700 is arranged on the side, away from the positioning feeding part 100, of the detection table 200, and is used for conveying qualified welding pieces.

[0042] The waste collecting box 800 is arranged on the side, away from the detection table 200, of the positioning discharging part 700, and is used for collecting unqualified welding pieces.

[0043] The positioning feeding part 100 comprises a first conveyor 110 and a first positioning piece 120. The first positioning piece 120 comprises a first supporting backing plate 121 and a first positioning tooth column 122. The first supporting backing plate 121 is fixedly installed on the conveying belt of the first conveyor 110. The first positioning tooth column 122 is fixedly installed on the first supporting backing plate 121. The first positioning tooth column 122 is in meshing connection with the gear 920.

[0044] The transfer part 300 comprises a first linear module 310, a second linear module 320 and a connecting frame 330. The first linear module 310 is fixedly installed on the detection table 200. The first linear module 310 is vertically arranged. The second linear module 320 is fixedly installed on the output end of the first linear module 310. The second linear module 320 is horizontally arranged. One end of the connecting frame 330 is fixedly connected to the output end of the second linear module 320. The other end of the connecting frame 330 is fixedly connected with the clamping part 400.

[0045] The clamping part 400 comprises an adjusting plate 410, a first waterproof motor 420, a rotating rod 430, a first connecting rod 440, a first clamping plate 450, a second connecting rod 460 and a second clamping plate 470, the adjusting plate 410 is fixedly connected with the connecting frame 330, the bottom of the adjusting plate 410 is provided with a first sliding groove 411, the first waterproof motor 420 is fixedly installed on the adjusting plate 410, the output end of the first waterproof motor 420 extends out of the bottom surface of the adjusting plate 410, the output end of the first waterproof motor 420 is fixedly connected with the center of the rotating rod 430, one end of the first connecting rod 440 and one end of the second connecting rod 460 are rotatably connected with two ends of the rotating rod 430 respectively, the other end of the first connecting rod 440 is rotatably connected with the first clamping plate 450, the other end of the second connecting rod 460 is rotatably connected with the second clamping plate 470, and the first clamping plate 450 and the second clamping plate 470 are slidably connected with the first sliding groove 411.

[0046] The first clamping plate 450 is fixedly connected with a first rubber pad 451 on the side close to the second clamping plate 470, and the second clamping plate 470 is fixedly connected with a second rubber pad 471 on the side close to the first clamping plate 450.

[0047] The ultrasonic probe 500 is installed on the adjusting plate 410 through a connecting block 480, a second sliding groove 412 horizontally arranged is formed on one side of the adjusting plate 410, the connecting block 480 is slidably connected with the second sliding groove 412, and the connecting block 480 is locked on the adjusting plate 410 through a locking handle 490.

[0048] The positioning rotating part 600 comprises a second waterproof motor 610, a second supporting pad plate 620 and a second positioning tooth column 630, the second waterproof motor 610 is installed in the detection table 200, the output end at the top of the second waterproof motor 610 extends out of the inner wall at the bottom of the detection groove 210, the second supporting pad plate 620 is fixedly connected with the output end of the second waterproof motor 610, the second positioning tooth column 630 is fixedly installed on the second supporting pad plate 620, and the second positioning tooth column 630 is meshingly connected with the gear 920.

[0049] The positioning discharging part 700 comprises a second conveyor 710 and a second positioning part 720, the second positioning part 720 comprises a third supporting pad plate 721 and a third positioning tooth column 722, the third supporting pad plate 721 is fixedly installed on the conveying belt of the second conveyor 710, the third positioning tooth column 722 is fixedly installed on the third supporting pad plate 721, and the third positioning tooth column 722 is meshingly connected with the gear 920.

[0050] It should be noted that the first conveyor 110 and the second conveyor 710 are the same structure, which can be a synchronous belt conveyor, a chain plate conveyor, a belt conveyor and the like, which is prior art and will not be described here. The first support pad plate 121, the second support pad plate 620 or the third support pad plate 721 can provide support for the welded part. The first positioning tooth column 122, the second positioning tooth column 630 or the third positioning tooth column 722 can position the gear 920 through meshing connection, so as to position the welded part. The first conveyor 110 adopts intermittent conveying mode to convey the welded part to be detected on the first positioning part 120 to the clamping position. The second conveyor 710 adopts intermittent conveying mode to convey the welded part detected qualified on the third positioning part away for subsequent processing;

[0051] The welded part includes a gear hub 910 and a gear 920. The inner ring of the gear 920 is provided with a tooth groove. The first positioning tooth column 122, the second positioning tooth column 630 or the third positioning tooth column 722 can be meshed with the tooth groove. During the detection of the welded part, the first conveyor 110 conveys the next welded part to be detected to the clamping position, and the second conveyor 710 conveys the next second positioning part 720 without the welded part to the transmission position.

[0052] Deionized water is injected into the positioning groove, and the welded part is completely immersed in the deionized water during detection. The deionized water serves as a coupling agent for the welded part and the ultrasonic probe 500. There is a gap between the ultrasonic probe 500 and the weld of the welded part. The ultrasonic probe 500 does not need to be in direct contact with the welded part, which reduces the wear of the ultrasonic probe 500 and the welded part. After the ultrasonic probe 500 emits ultrasonic waves, the signals emitted and received by the ultrasonic waves on the bonding surface between different materials are detected. When the ultrasonic waves encounter defects (such as cracks, inclusions, cavities, delamination, etc.), a larger amplitude echo is generated. These echoes are accepted by the ultrasonic probe 500 and processed through a waveform signal, and finally the detection result is obtained.

[0053] The operation of the rotating part is controlled by the controller. When the detection result is qualified, the controller controls the rotating part to deliver the welded part on the second positioning part 720 to the third positioning part. When the detection result is unqualified, the controller controls the rotating part to transfer the welded part on the second positioning part 720 to the waste collection box 800.

[0054] In the embodiment, the first connecting rod 440 is rotationally connected with the rotating rod 430 through a hexagonal bolt, the hexagonal bolt is threadedly connected with the rotating rod 430, the first connecting rod 440 is rotationally connected with a non-threaded segment of the hexagonal bolt, and the connection modes of the first connecting rod 440 and the first clamping plate 450, the second connecting rod 460 and the rotating rod 430, and the second connecting rod 460 and the second clamping plate 470 are similar to the connection mode of the first connecting rod 440 and the rotating rod 430, and details are not repeated here.

[0055] Before detection, the welding piece is placed on the first positioning member 120 at the clamping position, the position of the clamping part 400 is adjusted by controlling the rotating part, the clamping part 400 pre-clamps the welding piece, then the tight handle 490 is loosened, the position of the connecting block 480 is adjusted, the position of the ultrasonic probe 500 is adjusted, the ultrasonic probe 500 is aligned with the weld of the welding piece, then the tight handle 490 is tightened, the position of the connecting block 480 is fixed, and the position of the ultrasonic probe 500 is fixed.

[0056] The detection process of the sun gear tooth hub gear welding detection device is provided in the embodiment.

[0057] Firstly, the second linear module 320 drives the connecting frame 330 and the clamping part 400 to move to the top of the welding piece to be detected at the clamping position, then the first linear module 310 drives the second linear module 320 to move downward, thereby driving the connecting frame 330 and the clamping part 400 to move downward, so that the first rubber pad 451 and the second rubber pad 471 are located outside the welding piece, after that, the first waterproof motor 420 drives the rotating rod 430 to rotate forward, thereby driving the first connecting rod 440 and the second connecting rod 460 to move, and further driving the first clamping plate 450 and the second clamping plate 470 to move close to each other along the length direction of the first sliding groove 411 until the first rubber pad 451 and the second rubber pad 471 clamp the welding piece;

[0058] Secondly, the first linear module 310 drives the second linear module 320 to move upwards to the initial height, thereby driving the connecting frame 330, the clamping part 400 and the welding piece to be detected to move upwards synchronously, then the second linear module 320 drives the connecting frame 330, the clamping part 400 and the welding piece to be detected to move towards the second conveyor 710, until the welding piece to be detected is located directly above the second positioning tooth column 630, then the first linear module 310 drives the second linear module 320 to move downwards, thereby driving the connecting frame 330 and the clamping part 400 to move downwards, until the welding piece to be detected is attached to the top surface of the second support base plate 620, then the first waterproof motor 420 drives the rotating rod 430 to reverse, thereby driving the first connecting rod 440 and the second connecting rod 460 to move, and further driving the first clamping plate 450 and the second clamping plate 470 to move away from each other along the length direction of the first sliding slot 411, so as to release the welding piece to be detected, at this time, the second positioning tooth column 630 positions the welding piece through the meshing connection with the gear 920;

[0059] Then, the second waterproof motor 610 drives the second support base plate 620 to rotate, thereby driving the second positioning tooth column 630 to rotate, and further driving the welding piece to be detected to rotate an integer number of turns, in this process, the ultrasonic probe 500 detects the weld and obtains the detection result, after the detection is completed, the first waterproof motor 420 drives the rotating rod 430 to rotate forward, thereby driving the first connecting rod 440 and the second connecting rod 460 to move, and further driving the first clamping plate 450 and the second clamping plate 470 to move towards each other along the length direction of the first sliding slot 411, until the first rubber pad 451 and the second rubber pad 471 clamp the welding piece, then the first linear module 310 drives the second linear module 320 to move upwards to the initial height, thereby driving the connecting frame 330, the clamping part 400 and the welding piece after detection to move upwards synchronously;

[0060] Finally, when the detection result is qualified, the second linear module 320 drives the connecting frame 330, the clamping part 400 and the qualified welding piece to move away from the first conveyor 110, until the qualified welding piece is located directly above the third positioning part at the transmission position, then the first linear module 310 drives the second linear module 320 to move downwards, thereby driving the connecting frame 330, the clamping part 400 and the qualified welding piece to move downwards, until the qualified welding piece is attached to the top surface of the third support base plate 721, then the first waterproof motor 420 drives the rotating rod 430 to reverse, thereby driving the first connecting rod 440 and the second connecting rod 460 to move, and further driving the first clamping plate 450 and the second clamping plate 470 to move away from each other along the length direction of the first sliding slot 411, so as to release the qualified welding piece, then the first linear module 310 drives the second linear module 320 to move upwards to the initial height, thereby driving the connecting frame 330 and the clamping part 400 to move upwards synchronously;

[0061] When the detection result is unqualified, the second linear module 320 drives the connecting frame 330, the clamping part 400 and the unqualified welding piece to move away from the first conveyor 110 until the unqualified welding piece is located directly above the waste collection box 800, then the first waterproof motor 420 drives the rotating rod 430 to reverse, thereby driving the first connecting rod 440 and the second connecting rod 460 to move, and further driving the first clamping plate 450 and the second clamping plate 470 to move away from each other along the length direction of the first sliding groove 411, so as to loosen the unqualified welding piece, and the unqualified welding piece falls into the waste collection box 800.

[0062] The above describes the embodiments of the utility model in combination with the drawings, but the embodiments are not limited to the specific implementation manners described above, and the specific implementation manners described above are only illustrative but not restrictive, and those skilled in the art can make many forms under the inspiration of the embodiments without departing from the scope of the embodiments and the scope protected by the claims, which all belong to the protection of the embodiments.

Claims

1. A sun gear weld inspection apparatus, characterized by, The utility model relates to a welding piece detection device, which comprises the following parts: A positioning feeding part (100) is used to transport the welding piece to be detected to a clamping position; A detection assembly comprises a detection table (200), a transfer part (300), a clamping part (400), an ultrasonic probe (500) and a positioning rotating part (600), the detection table (200) is arranged on one side of the positioning feeding part (100), the detection table (200) is provided with a detection groove (210), at least a part of the positioning rotating part (600) is arranged in the detection groove (210), the transfer part (300) is installed on the detection table (200), the transfer part (300) is used to transfer the welding piece to be detected on the positioning feeding part (100) to the positioning rotating part (600) for detection, and the welding piece after detection is transferred out, the clamping part (400) is installed on the transfer part (300), and the ultrasonic probe (500) is installed on the clamping part (400); A positioning discharging part (700) is arranged on the side, away from the positioning feeding part (100), of the detection table (200) and is used to transport qualified welding pieces; A waste collecting box (800) is arranged on the side, away from the detection table (200), of the positioning discharging part (700) and is used to collect unqualified welding pieces.

2. The sun gear weld inspection apparatus of claim 1, wherein, The positioning feeding part (100) comprises a first conveyor (110) and a first positioning member (120), the first positioning member (120) comprises a first supporting backing plate (121) and a first positioning tooth column (122), the first supporting backing plate (121) is fixedly installed on the conveying belt of the first conveyor (110), the first positioning tooth column (122) is fixedly installed on the first supporting backing plate (121), and the first positioning tooth column (122) is in meshing connection with a gear (920).

3. The sun gear weld inspection apparatus of claim 1, wherein, The transfer part (300) comprises a first linear module (310), a second linear module (320) and a connecting frame (330), the first linear module (310) is fixedly installed on the detection table (200), the first linear module (310) is vertically arranged, the second linear module (320) is fixedly installed at the output end of the first linear module (310), the second linear module (320) is horizontally arranged, one end of the connecting frame (330) is fixedly connected to the output end of the second linear module (320), and the other end of the connecting frame (330) is fixedly connected with the clamping part (400).

4. The sun gear weld inspection apparatus of claim 3, wherein, The clamping part (400) comprises an adjusting plate (410), a first waterproof motor (420), a rotating rod (430), a first connecting rod (440), a first clamping plate (450), a second connecting rod (460) and a second clamping plate (470), the adjusting plate (410) is fixedly connected with the connecting frame (330), a first sliding groove (411) is arranged at the bottom of the adjusting plate (410), the first waterproof motor (420) is fixedly installed on the adjusting plate (410), the output end of the first waterproof motor (420) extends out of the bottom surface of the adjusting plate (410), the output end of the first waterproof motor (420) is fixedly connected with the center of the rotating rod (430), one end of the first connecting rod (440) and one end of the second connecting rod (460) are rotatably connected with the two ends of the rotating rod (430) respectively, the other end of the first connecting rod (440) is rotatably connected with the first clamping plate (450), the other end of the second connecting rod (460) is rotatably connected with the second clamping plate (470), and the first clamping plate (450) and the second clamping plate (470) are slidably connected with the first sliding groove (411).

5. The sun gear weld inspection apparatus of claim 4, wherein, The first clamping plate (450) is fixedly connected with a first rubber pad (451) on the side close to the second clamping plate (470), and the second clamping plate (470) is fixedly connected with a second rubber pad (471) on the side close to the first clamping plate (450).

6. The sun gear weld inspection apparatus of claim 5, wherein, The ultrasonic probe (500) is installed on the adjusting plate (410) through a connecting block (480), a second sliding groove (412) is arranged on one side of the adjusting plate (410) and is horizontally arranged, the connecting block (480) is slidably connected with the second sliding groove (412), and the connecting block (480) is locked on the adjusting plate (410) through a locking handle (490).

7. The sun gear weld inspection apparatus of claim 1, wherein The positioning rotating part (600) comprises a second waterproof motor (610), a second supporting pad (620) and a second positioning tooth column (630), the second waterproof motor (610) is installed in the detection table (200), the output end at the top of the second waterproof motor (610) extends out of the inner wall at the bottom of the detection groove (210), the second supporting pad (620) is fixedly connected with the output end of the second waterproof motor (610), and the second positioning tooth column (630) is fixedly installed on the second supporting pad (620) and is in meshing connection with a gear (920).

8. The sun gear weld inspection apparatus of claim 1, wherein, The positioning discharging part (700) comprises a second conveyor (710) and a second positioning piece (720), the second positioning piece (720) comprises a third supporting pad (721) and a third positioning tooth column (722), the third supporting pad (721) is fixedly installed on the conveying belt of the second conveyor (710), the third positioning tooth column (722) is fixedly installed on the third supporting pad (721), and the third positioning tooth column (722) is in meshing connection with the gear (920).

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