Hard disk quality detection device

Abstract

A hard disk quality detection device disclosed by the present invention comprises a base, a support frame, a detection table, a stand column, a camera bearing frame and an industrial camera, the detection table is located above the base and corresponds to the base in position, the stand column is fixedly arranged in the middle of the lower surface of the detection table, and the support frame is fixedly installed on the upper surface of the base and located at the stand column position. The camera supporting frame is fixedly arranged on the outer surface of the base, the industrial camera is installed in the camera supporting frame, a plurality of circular holes which are annularly distributed at equal intervals are formed in the middle of the upper surface of the detection table in a penetrating mode, and a hard disk bearing and reversing mechanism used for placing a hard disk is arranged in the circular holes. And a hard disk light supplementing mechanism. Through the rotating structure of the stand column and the detection table and the combined design of a reversing table and a reversing gear in the hard disk bearing reversing mechanism, revolution and rotation of the hard disk are achieved, and the problem of single-shaft rotating visual angle limitation of a traditional hard disk detection device is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of hard disk detection, in particular to a hard disk quality detection device. Background Art

[0002] Hard drives are the core magnetic recording devices used in computer systems for long-term storage of digital information. They achieve high-density data access through electromagnetic conversion. A typical mechanical hard drive consists of a high-speed rotating magnetic platter, a suspended head assembly, a spindle motor, and a precision seek mechanism. The magnetic medium layer coated on the platter surface records binary data through polarity changes in the head, while a servo system controls the head to perform read and write operations within nanometer-scale spacing. Modern hard drive technology integrates processes such as perpendicular magnetic recording and heat-assisted magnetic writing, combined with solid-state caching and multi-platter array designs, significantly improving storage capacity and data transfer rates. As cloud computing, big data, and artificial intelligence continue to demand ever-increasing storage density, response speed, and data integrity, hard drives, as critical information carriers, require increasingly sophisticated quality inspection technologies during their manufacturing process. By establishing a multi-dimensional inspection system encompassing magnetic performance parameters, mechanical stability, and environmental adaptability, we can effectively ensure that hard drives meet stringent reliability standards throughout their product lifecycle, providing a fundamental guarantee for the secure storage of digital information.

[0003] Traditional hard disk quality monitoring devices usually use visual inspection equipment and industrial cameras to perform appearance and structural integrity analysis. However, in the actual inspection process, the hard disk to be tested is often statically fixed in the designated inspection area of ​​the industrial camera, and can only present visual information from a single observation angle. Due to the lack of an automated rotation drive mechanism, the hard disk to be tested cannot achieve periodic posture adjustment during the inspection cycle, resulting in the visual system being able to only obtain image data within a limited viewing angle range. This fixed inspection mode causes obvious detection blind spots in the existing technical solutions. It is difficult to achieve full-factor coverage monitoring of defect features in hidden areas such as hard disk edge joints and special-shaped mounting holes. When hard disk products have multi-dimensional quality assessment requirements, traditional static inspection methods are incomplete in feature collection due to visual angle limitations, which easily affects the accuracy of defect judgment and detection efficiency, and is difficult to meet the quality control requirements in high-precision manufacturing scenarios. For this reason, a hard disk quality inspection device is provided. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a hard disk quality detection device.

[0005] In order to solve the above technical problems, the basic technical solutions proposed by the present invention are: A hard disk quality inspection device comprises a base, a support frame, an inspection table, a column, a camera support bracket and an industrial camera, wherein the inspection table is located above the base, and the inspection table and the base correspond in position, the column is fixedly arranged in the middle of the lower surface of the inspection table, the support frame is fixedly installed on the upper surface of the base and is located at the column position, the column and the support frame are rotatably arranged through bearings, the camera support bracket is fixedly arranged on the outer surface of the base, the industrial camera is installed inside the camera support bracket, a plurality of circular holes distributed in a circular shape with equal intervals are opened in the middle of the upper surface of the inspection table, and a hard disk bearing reversing mechanism for placing the hard disk is provided inside the circular hole, and also includes: an intermittent driving mechanism located between the inspection table and the base and used for synchronously driving each hard disk bearing reversing mechanism; a hard disk fill light mechanism located on the top of the camera support bracket and used for fill light for the hard disk.

[0006] Preferably, the hard disk carrying reversing mechanism includes a reversing platform, the reversing platform and the detection platform are rotatably arranged through bearings, a reversing gear is fixedly installed in the middle of the lower surface of the reversing platform, a mounting ring is provided in the middle of the upper surface of the reversing platform, and a transparent glass plate is fixedly provided on the inner surface of the mounting ring.

[0007] Preferably, a circular opening is provided inside the reversing platform, and a fill light is installed inside the circular opening and at the position of the transparent glass plate, and a reflector is provided on the inner surface of the circular opening. A dust ring is fixedly provided on the outer surface of the top of the reversing platform, and the dust ring is made of rubber material.

[0008] Preferably, the hard disk supporting reversing mechanism also includes a fixed ring installed in the middle of the inner surface of the circular hole, the inner surface of the fixed ring is gap-matched with the outer surface of the reversing table, and a plurality of first magnetic buttons distributed in a ring shape with equal intervals are fixedly arranged inside the fixed ring, and second magnetic buttons are fixedly arranged inside the reversing table and at the positions of each first magnetic button, and the second magnetic buttons and the first magnetic buttons attract each other.

[0009] Preferably, the intermittent drive mechanism includes a fixed ring located at the reversing gear position, the fixed ring is coaxial with the detection table, the outer surface of the fixed ring is fixedly installed with an arc-shaped rack at each reversing gear position, the arc-shaped rack is engaged with the reversing gear for transmission, and the inner surface of the fixed ring is provided with a plurality of fixed rods distributed in a ring shape with equal intervals, and the two ends of the fixed rods are respectively connected to the fixed ring and the support frame.

[0010] Preferably, the hard disk fill light mechanism includes a lampshade and a sleeve, the sleeve is connected to the camera support bracket, a tail cover is detachably installed on the middle part of the top end of the lampshade, and the inner wall of the tail cover is twisted with an internal thread, the inner wall of the lampshade is annular and detachably provided with a fixing plate at equal intervals, and the outer wall of the fixing plate is provided with an adjusting gear, a transfer shaft is fixedly provided in the middle part of one end of the adjusting gear, and a spotlight is fixedly installed on the other end of the adjusting gear, a sleeve is installed inside the lampshade at the position of the adjusting gear, and the outer wall of the sleeve is annular and fixed with a driving gear plate at equal intervals.

[0011] Preferably, an operating rod is provided on the inner wall of the tail cover, and an external thread is twisted on the outer wall of the operating rod. The operating rod and the tail cover are engaged with each other through threads, the adjusting gear and the fixed plate are rotatably connected through a transfer shaft, and the driving gear plate is meshed with the adjusting gear. The outer wall of the tail cover is fixed with a positioning rod in a ring-shaped and equidistant manner in the middle of one end of the sleeve, the sleeve and the positioning rod are slidably arranged, and the sleeve is rotatably arranged on the outer wall of the operating rod, and a knob is fixedly provided on the middle of the top end of the operating rod, and a first limiting ring and a second limiting ring are respectively provided on both sides of the outer wall of the operating rod, and the first limiting ring and the second limiting ring are both fixedly connected to the operating rod.

[0012] Preferably, a mounting plate is slidably provided on the inner wall of the sleeve, a support arm is fixedly provided on the middle part of the top end of the mounting plate, and a transfer block is fixedly provided on the middle part of the top end of the support arm, a shaped hose is provided on the middle part of the bottom end of the transfer block, one end of the shaped hose is connected to the transfer block, and the other end of the shaped hose is connected to the tail cover, the inner wall of the sleeve is provided with guide grooves at equal intervals in an annular shape, the inner wall of the sleeve is provided with a limiting groove at the position of the guide groove, and the limiting groove is connected to the guide groove, and the limiting groove and the guide groove are distributed in an L shape, the inner wall of the sleeve is elastically provided with a pre-tightening disk by an extrusion spring, and the outer wall of the mounting plate is fixed with limiting blocks at equal intervals in an annular shape.

[0013] The beneficial effects of the present invention are: Through the rotating structure of the column and the inspection table, and the combined design of the reversing table and the reversing gear in the hard disk carrier reversing mechanism, the revolution and rotation of the hard disk are realized, which solves the limitation of the single-axis rotation viewing angle of the traditional hard disk inspection device. Specifically, while the servo motor drives the inspection table to perform periodic revolution, the intermittent drive mechanism causes the reversing table to produce self-rotation motion through the meshing transmission of the arc-shaped rack and the reversing gear. This composite motion mode of revolution and rotation realizes multi-dimensional posture adjustment of the hard disk within the inspection cycle. Combined with the fixed shooting position of the industrial camera, the hard disk surface can be spirally scanned and inspected, allowing the visual system to obtain multi-dimensional image data. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is an isometric view of the test platform of the present invention; Figure 3 It is a front view of the detection platform of the present invention; Figure 4 A bottom view of the detection platform of the present invention; Figure 5 Schematic diagram of the internal structure of the detection platform of the present invention; Figure 6 For the present invention Figure 5 A magnified view of the structure at center A; Figure 7 Schematic diagram of the internal structure of the lampshade of the present invention Figure 1 ; Figure 8 Schematic diagram of the internal structure of the lampshade of the present invention Figure 2 ; Figure 9 It is a partial structural exploded view of the present invention.

[0015] Description of reference numerals: 100, base; 200, support frame; 300, test platform; 400, hard disk carrying reversing mechanism; 401, reversing platform; 402, reversing gear; 403, first magnetic button; 404, fixing ring; 405, dust ring; 406, mounting ring; 407, reflector; 408, transparent glass plate; 409, fill light; 410, second magnetic button; 500, column; 600, intermittent drive mechanism; 601, fixing rod; 602, fixing ring; 603, arc-shaped rack; 700, camera support; 800, industrial camera; 900, hard disk fill light Light mechanism; 901, sleeve; 902, lampshade; 903, mounting plate; 904, adapter block; 905, shaping hose; 906, tail cover; 907, support arm; 908, knob; 909, operating lever; 910, driving gear plate; 911, adapter shaft; 912, spotlight; 913, fixing plate; 914, adjusting gear; 915, sleeve; 916, first limiting ring; 917, second limiting ring; 918, positioning rod; 919, limiting block; 920, guide groove; 921, limiting groove; 922, preload disk; 923, extrusion spring. DETAILED DESCRIPTION

[0016] The following will be combined with the Figure 1 To the attached Figure 9 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort shall fall within the scope of protection of the present invention.

[0017] The present invention provides a technical solution: a hard disk quality inspection device, comprising a base 100, a support frame 200, a test platform 300, a column 500, a camera support bracket 700 and an industrial camera 800. The test platform 300 is located above the base 100, and the test platform 300 corresponds to the position of the base 100. The column 500 is fixedly arranged in the middle of the lower surface of the test platform 300, and is used to drive the set test platform 300 to rotate synchronously. The support frame 200 is fixedly installed on the upper surface of the base 100 and is located at the position of the column 500. The bottom end of the column 500 passes through the support frame 200 and extends to the inside of the support frame 200. The column 500 and the support frame 200 are rotatably arranged through bearings. The bottom end of the column 500 is connected to the output end of the external driving member through a reducer and assembled. The driving member is a servo motor. A plurality of brake universal wheels distributed in a ring with equal spacing are installed in the middle of the lower surface of the base 100 to facilitate workers. The staff carries the device, and the outer surface of the top of the column 500 is provided with a plurality of reinforcing ribs distributed in a circular shape with equal intervals, which are used to increase the stability of the connection. Two positioning rings are fixedly provided on both sides of the outer surface of the bottom of the column 500 to prevent the column 500 from slipping and falling off. The camera support bracket 700 is fixedly provided on the outer surface of the base 100, and the industrial camera 800 is installed inside the camera support bracket 700 for quality inspection of the hard disk. In this equipment, a plurality of circular holes distributed in a circular shape with equal intervals are opened through the middle part of the upper surface of the testing platform 300, and a hard disk carrying reversing mechanism 400 for placing the hard disk is provided inside the circular hole. It also includes: an intermittent driving mechanism 600 located between the testing platform 300 and the base 100 and used to synchronously drive each hard disk carrying reversing mechanism 400; a hard disk fill light mechanism 900 located on the top of the camera support bracket 700 and used to fill light for the hard disk.

[0018] Specifically, the hard disk carrying reversing mechanism 400 includes a reversing platform 401, the reversing platform 401 and the detection platform 300 are rotatably arranged through bearings, a reversing gear 402 is fixedly installed in the middle of the lower surface of the reversing platform 401, which is used to drive the reversing platform 401 to rotate synchronously, a mounting ring 406 is provided in the middle of the upper surface of the reversing platform 401, the mounting ring 406 is connected to the reversing platform 401 by bolts, and a transparent glass plate 408 is fixedly provided on the inner surface of the mounting ring 406, and the staff can place the hard disk on the upper surface of the transparent glass plate 408. A circular opening is opened inside the reversing platform 401, and a fill light 409 is installed inside the circular opening and at the position of the transparent glass plate 408 for adjusting the hard disk. The disk is irradiated, and a reflector 407 is provided on the inner surface of the circular opening. A dust ring 405 is fixedly provided on the outer surface of the top of the reversing platform 401 for intercepting external dust. The dust ring 405 is made of rubber material. Furthermore, the hard disk carrying reversing mechanism 400 also includes a fixed ring 404 installed in the middle of the inner surface of the circular hole. The inner surface of the fixed ring 404 is gap-matched with the outer surface of the reversing platform 401. A plurality of first magnetic buttons 403 distributed in a circular shape with equal intervals are fixedly provided inside the fixed ring 404. Second magnetic buttons 410 are fixedly provided inside the reversing platform 401 and at the positions of each first magnetic button 403. The second magnetic button 410 and the first magnetic button 403 attract each other.

[0019] Specifically, the intermittent drive mechanism 600 includes a fixed ring 602 located at the position of the reversing gear 402, the fixed ring 602 is coaxial with the detection platform 300, and an arc-shaped rack 603 is fixedly installed on the outer surface of the fixed ring 602 and located at the position of each reversing gear 402. The arc-shaped rack 603 is engaged with the reversing gear 402 for transmission, and the inner surface of the fixed ring 602 is provided with a plurality of fixed rods 601 distributed in a ring shape with equal intervals, and the two ends of the fixed rod 601 are respectively connected to the fixed ring 602 and the support frame 200.

[0020] Specifically, the hard disk fill light mechanism 900 includes a lampshade 902 and a sleeve 901. The sleeve 901 is connected to the camera support bracket 700. A tail cover 906 is detachably mounted on the middle portion of the top of the lampshade 902, and the inner wall of the tail cover 906 is twisted with an internal thread. The inner wall of the lampshade 902 is annular and detachably provided with a fixing plate 913 at equal intervals. The outer wall of the fixing plate 913 is provided with an adjusting gear 914. A transfer shaft 911 is fixedly provided at the middle portion of one end of the adjusting gear 914 for adjusting the adjusting gear 914. The other end of the adjusting gear 914 is fixedly mounted with a spotlight 912 for illuminating the detection area. The adjusting gear 914 is used to adjust the angle of light irradiated by the spotlight 912. The adjusting gear 914 is rotatably connected to the fixing plate 913 through the adapter shaft 911. A sleeve 915 is installed inside the lampshade 902 at the position of the adjusting gear 914, and the outer wall of the sleeve 915 is annular and fixed with a driving tooth plate 910 at equal intervals for cooperating with the sleeve 915 to adjust the adjusting gear. 914 is driven, the driving gear plate 910 is engaged with the adjusting gear 914, the inner wall of the tail cover 906 is provided with an operating rod 909, and the outer wall of the operating rod 909 is twisted with an external thread, the operating rod 909 and the tail cover 906 are engaged with each other through a thread, and the outer wall of the tail cover 906 is fixed with a positioning rod 918 at equal intervals in a ring at the middle of one end of the sleeve 915, which is used to guide and support the sleeve 915 during movement, and the outer end of the positioning rod 918 passes through the sleeve 915 and extends to the sleeve On the outside of 915, the sleeve 915 and the positioning rod 918 are slidingly arranged, and the sleeve 915 is rotatably arranged on the outer wall of the operating rod 909. A knob 908 is fixedly provided at the middle of the top end of the operating rod 909 for rotating the operating rod 909. A first limiting ring 916 and a second limiting ring 917 are respectively provided on both sides of the outer wall of the operating rod 909 for cooperating with the operating rod 909 to push and pull the sleeve 915. The first limiting ring 916 and the second limiting ring 917 are both fixedly connected to the operating rod 909.

[0021] Specific, the inner wall of sleeve 901 is slidingly provided with mounting disc 903, the top end of mounting disc 903 is fixedly provided with support arm 907, and the top end of support arm 907 is fixedly provided with adapter block 904, the bottom end of adapter block 904 is provided with shaped hose 905, which is used for adjusting the position of lampshade 902, one end of shaped hose 905 is connected with adapter block 904, and the other end of shaped hose 905 is connected with tail cover 906, the inner wall of sleeve 901 is annularly and equally spacedly provided with guide groove 920, the inner wall of sleeve 901 is provided with limiting groove 921 at the position of guide groove 920, limiting groove 921 is in communication with guide groove 920, limiting groove 921 and guide groove 920 are L-shapedly arranged, the inner wall of sleeve 901 is elastically provided with pre-tightening disc 922 through extrusion spring 923, which is used for extruding mounting disc 903, reducing the possibility of loosening at the joint, the outer wall of mounting disc 903 is annularly and equally spacedly fixedly provided with limiting block 919, which is used for fixing mounting disc 903 in cooperation with guide groove 920 and limiting groove 921, the advantages of such arrangement are that mounting disc 903, limiting block 919, sleeve 901, guide groove 920, limiting groove 921, extrusion spring 923 and pre-tightening disc 922 are mutually matched, which facilitates the operator to quickly install and dismount lampshade 902, and facilitates the subsequent maintenance work, in addition, support arm 907, adapter block 904 and shaped hose 905 are mutually matched, which facilitates the operator to adjust the position of lampshade 902, realizes multi-directional irradiation, at the same time, shaped hose 905 can also store and protect lampshade 902.

[0022] According to the above, the present invention realizes the revolution and rotation of the hard disk through the rotating structure of the column 500 and the detection table 300, and the combined design of the reversing table 401 and the reversing gear 402 in the hard disk carrying reversing mechanism 400, thereby solving the limitation of the single-axis rotation viewing angle of the traditional hard disk detection device. Specifically, while the servo motor drives the detection table 300 to perform periodic revolution, the intermittent driving mechanism 600 drives the reversing table 401 to produce self-rotation through the meshing transmission of the arc-shaped rack 603 and the reversing gear 402. This composite motion mode of revolution and rotation realizes multi-dimensional posture adjustment of the hard disk within the detection cycle, and cooperates with the fixed shooting position of the industrial camera 800 to perform spiral scanning inspection on the surface of the hard disk. Measurement enables the visual system to obtain multi-dimensional image data; the present invention sets a hard disk fill light mechanism 900. When in use, it utilizes the angle adjustment function of the spotlight 912 to achieve precise control of the lighting angle. Specifically, when the operating rod 909 rotates, the sleeve 915 is pushed axially by threaded transmission, and the gear plate 910 drives the adjusting gear 914 to rotate, thereby changing the projection angle of the spotlight 912. This method enables the lighting direction to be dynamically adjusted according to the hard disk detection position. Secondly, the quick disassembly and assembly structure of the sleeve 901 and the mounting plate 903 optimizes the equipment maintenance process. During maintenance, the support arm 907 is rotated to disengage the limit block 919 from the limit slot 921, so that quick disassembly can be completed along the axial direction.

[0023] Based on the disclosure and teachings of the above description, those skilled in the art may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations of the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although certain specific terms are used in this description, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims

1. A hard disk quality inspection device, comprising a base (100), a support frame (200), a test platform (300), a column (500), a camera support frame (700) and an industrial camera (800), wherein the test platform (300) is located above the base (100), and the positions of the test platform (300) and the base (100) correspond to each other, the column (500) is fixedly arranged in the middle of the lower surface of the test platform (300), the support frame (200) is fixedly installed on the upper surface of the base (100) and is located at the column (500), and is characterized in that: The column (500) and the support frame (200) are rotatably arranged through bearings, the camera support bracket (700) is fixedly arranged on the outer surface of the base (100), and the industrial camera (800) is installed inside the camera support bracket (700). A plurality of circular holes distributed in an annular shape and at equal intervals are opened through the middle of the upper surface of the detection platform (300), and a hard disk bearing reversing mechanism (400) for placing hard disks is arranged inside the circular holes. The invention also includes: an intermittent driving mechanism (600) located between the detection platform (300) and the base (100) and used for synchronously driving each hard disk bearing reversing mechanism (400); and a hard disk fill light mechanism (900) located on the top of the camera support bracket 700 and used for fill light for the hard disk.

2. The hard disk quality detection device according to claim 1, characterized in that: The hard disk carrying reversing mechanism (400) comprises a reversing platform (401), the reversing platform (401) and the detection platform (300) being rotatably arranged via a bearing, a reversing gear (402) being fixedly mounted in the middle of the lower surface of the reversing platform (401), a mounting ring (406) being provided in the middle of the upper surface of the reversing platform (401), and a transparent glass plate (408) being fixedly mounted on the inner surface of the mounting ring (406).

3. The hard disk quality detection device according to claim 2, characterized in that: A circular opening is provided inside the reversing platform (401), and a fill light (409) is installed inside the circular opening and at the position of the transparent glass plate (408), and a reflector (407) is provided on the inner surface of the circular opening. A dust ring (405) is fixedly provided on the outer surface of the top of the reversing platform (401), and the dust ring (405) is made of rubber material.

4. The hard disk quality detection device according to claim 3, characterized in that: The hard disk carrying reversing mechanism (400) further comprises a fixed ring (404) mounted in the middle of the inner surface of the circular hole, the inner surface of the fixed ring (404) being arranged to be gap-matched with the outer surface of the reversing platform (401), a plurality of first magnetic buttons (403) distributed in an annular shape and at equal intervals are fixedly arranged inside the fixed ring (404), and second magnetic buttons (410) are fixedly arranged inside the reversing platform (401) and at the positions of the first magnetic buttons (403), and the second magnetic buttons (410) and the first magnetic buttons (403) attract each other.

5. The hard disk quality detection device according to claim 1, characterized in that: The intermittent drive mechanism (600) includes a fixed ring (602) located at the position of the reversing gear (402), the fixed ring (602) and the detection platform (300) are coaxial, and an arc-shaped rack (603) is fixedly installed on the outer surface of the fixed ring (602) and located at the position of each reversing gear (402), and the arc-shaped rack (603) is meshed with the reversing gear (402) for transmission, and a plurality of fixed rods (601) distributed in an annular shape with equal intervals are provided on the inner surface of the fixed ring (602), and the two ends of the fixed rods (601) are respectively connected to the fixed ring (602) and the support frame (200).

6. The hard disk quality detection device according to claim 1, characterized in that: The hard disk fill light mechanism (900) comprises a lampshade (902) and a sleeve (901), wherein the sleeve (901) is connected to the camera support bracket (700), a tail cover (906) is detachably mounted on the middle portion of the top end of the lampshade (902), and an inner wall of the tail cover (906) is twisted with an internal thread, the inner wall of the lampshade (902) is detachably mounted with a fixing plate (913) at equal intervals in a circular shape, and an outer wall of the fixing plate (913) is mounted with an adjusting gear (914), a transfer shaft (911) is fixedly mounted on the middle portion of one end of the adjusting gear (914), and a spotlight (912) is fixedly mounted on the other end of the adjusting gear (914), a sleeve (915) is mounted inside the lampshade (902) at the position of the adjusting gear (914), and a driving gear plate (910) is fixedly mounted on the outer wall of the sleeve (915) at equal intervals in a circular shape.

7. The hard disk quality detection device according to claim 6, characterized in that: The inner wall of the tail cover (906) is provided with an operating rod (909), and the outer wall of the operating rod (909) is twisted with an external thread. The operating rod (909) and the tail cover (906) are arranged by thread engagement. The adjusting gear (914) and the fixed plate (913) are rotatably connected through the adapter shaft (911). The driving gear plate (910) is meshed with the adjusting gear (914). The outer wall of the tail cover (906) is fixedly arranged in a ring-shaped manner at equal intervals in the middle of one end of the sleeve (915). There is a positioning rod (918), the sleeve (915) and the positioning rod (918) are slidably arranged, the sleeve (915) is rotatably arranged on the outer wall of the operating rod (909), a knob (908) is fixedly arranged at the middle of the top end of the operating rod (909), and a first limiting ring (916) and a second limiting ring (917) are respectively arranged on both sides of the outer wall of the operating rod (909), and the first limiting ring (916) and the second limiting ring (917) are both fixedly connected to the operating rod (909).

8. The hard disk quality detection device according to claim 7, characterized in that: The inner wall of the sleeve (901) is slidably provided with a mounting plate (903), the middle part of the top of the mounting plate (903) is fixedly provided with a support arm (907), and the middle part of the top of the support arm (907) is fixedly provided with a transfer block (904), the middle part of the bottom end of the transfer block (904) is provided with a shaping hose (905), one end of the shaping hose (905) is connected to the transfer block (904), and the other end of the shaping hose (905) is connected to the tail cover (906), the inner wall of the sleeve (901) is provided with a support arm (907), and the middle part of the top of the support arm (907) is fixedly provided with a transfer block (904), and the bottom end of the transfer block (904) is provided with a shaping hose (905), one end of the shaping hose (905) is connected to the transfer block (904), and the other end of the shaping hose (905) is connected to the tail cover (906). The wall is provided with guide grooves (920) at equal intervals in an annular shape, the inner wall of the sleeve (901) is provided with a limiting groove (921) at the position of the guide groove (920), and the limiting groove (921) is connected to the guide groove (920), and the limiting groove (921) and the guide groove (920) are arranged in an L-shaped distribution, the inner wall of the sleeve (901) is elastically provided with a pre-tightening disk (922) through an extrusion spring (923), and the outer wall of the mounting disk (903) is provided with limiting blocks (919) at equal intervals in an annular shape.

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