Workpiece roundness detection device

Abstract

The utility model provides a workpiece roundness detection device, which comprises a detection table, a three-jaw chuck arranged on the detection table and used for clamping a workpiece to be detected, a mounting rack arranged on one side of the detection table, a manipulator arranged on the mounting rack, a mounting part fixedly arranged at one end of the manipulator far away from the mounting rack, and imaging equipment arranged at the bottom of the mounting part, a height detection device is arranged on one side of the imaging device and fixedly connected with the mounting part, a clamping assembly is arranged at the bottom of the mounting part and used for clamping a to-be-detected workpiece, a vertical rod is fixedly arranged on one side of the detection table in the vertical direction, and a roundness detector is fixedly arranged on the vertical rod; one side of the detection bench is provided with a to-be-detected area, and the other side of the detection bench is provided with a detected area, the automatic feeding, automatic clamping, automatic detection and automatic discharging of a to-be-detected workpiece can be realized, the automation degree and the detection efficiency of workpiece roundness detection are improved, the detection precision is ensured, and the labor cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of detection equipment, and in particular to a workpiece roundness detection device. Background Art

[0002] The contents of this section merely provide background information related to the present invention and may not constitute prior art.

[0003] With the rapid development of domestic manufacturing industry, the requirements for product quality are getting higher and higher, and the requirements for the accuracy of workpieces required for industrial production are also getting higher and higher. Among the measurement standards of workpiece accuracy, roundness is a key indicator to measure workpiece accuracy. In order to improve the detection of workpiece accuracy, especially the detection of workpiece roundness, many factories have purchased roundness instruments to detect the roundness of the produced workpieces.

[0004] When testing the roundness of a workpiece, the staff first needs to place the workpiece to be tested on the fixture, clamp the workpiece in place through the fixture, and then manually operate the roundness meter to test the roundness and cylindricity of the workpiece, and finally obtain the roundness and cylindricity of the workpiece to be tested, and then determine whether the workpiece to be tested is qualified.

[0005] However, the above-mentioned related technologies have the following defects: the manual operation of the roundness meter for loading, unloading and testing the workpiece has low detection efficiency and a high error rate, especially under long-term working conditions. The above defects are particularly obvious. During the peak production season, in order to ensure that all workpieces to be tested are tested, the company needs to adopt a shift system and arrange manual work to use the roundness meter for testing around the clock, which further increases the labor intensity of the staff in loading and unloading materials, resulting in an increase in the error detection rate during the detection process and an increase in labor costs. Summary of the invention

[0006] In order to solve the above technical problems, the purpose of the utility model is to provide a workpiece roundness detection device, which can realize automatic loading, automatic clamping, automatic detection and automatic unloading of the workpiece to be detected, improve the automation degree and detection efficiency of workpiece roundness detection, ensure detection accuracy and reduce labor costs.

[0007] The purpose of the utility model is achieved through the following technical solutions:

[0008] A workpiece roundness detection device comprises a detection table, on which a three-jaw chuck for clamping a workpiece to be detected is arranged, a mounting frame is arranged on one side of the detection table, a manipulator is arranged on the mounting frame, the manipulator can rotate around the mounting frame, a mounting portion is fixedly arranged at one end of the manipulator away from the mounting frame, an imaging device is arranged at the bottom of the mounting portion, a height detection device is arranged on one side of the imaging device, the height detection device is fixedly connected to the mounting portion, a clamping assembly is arranged at the bottom of the mounting portion, and the clamping assembly is used to clamp the workpiece to be detected.

[0009] Furthermore, a vertical rod is fixedly installed along the vertical direction on one side of the testing table, a roundness detector is fixedly installed on the vertical rod, an inspection area is set on one side of the testing table, and an inspected area is set on the other side of the testing table. The inspection area is used to place the workpiece to be inspected.

[0010] In some possible embodiments, a mounting plate is fixedly provided at one end of the manipulator away from the mounting frame, the mounting portion is provided at the bottom of the mounting plate, the mounting portion and the mounting plate are connected by fastening bolts, the mounting portion is provided in a disc shape, a cylindrical enclosure is provided at the bottom of the mounting portion along the circumference of the mounting portion, and the mounting portion and the cylindrical enclosure are integrally formed into a cylindrical structure.

[0011] In some possible embodiments, the clamping assembly includes a clamping rod and an abutment portion. Two mounting blocks are slidably arranged in a horizontal direction at the bottom of the mounting portion. A clamping rod is arranged at the bottom of each mounting block. The clamping rod and the mounting block are detachably connected. The abutment portion is arranged on the side walls where the two clamping rods are close to each other. A driving assembly is arranged on the mounting portion, and the driving assembly is used to drive the two mounting blocks to move toward or away from each other.

[0012] In some possible embodiments, the driving assembly includes a driving motor and a screw, a slide is fixedly arranged at the bottom of the mounting portion, a slide groove is opened in the horizontal direction at the bottom of the slide, a slider is slidably arranged in the slide groove, two sliders are provided, and the two sliders are respectively connected to the two mounting blocks in a one-to-one correspondence, the driving motor is arranged on one side of the slide, the screw is rotatably arranged in the slide groove along the length direction of the slide groove, the screw is drivingly connected to the output shaft of the driving motor, and the slider is threadedly sleeved on the screw.

[0013] In some possible embodiments, the lead screw is configured as a bidirectional lead screw, and spiral grooves with opposite rotation directions are provided in the left and right halves of the lead screw, and the two sliders are respectively engaged with the two spiral grooves in a one-to-one corresponding threaded connection.

[0014] In some possible embodiments, a connecting block is fixedly connected to the bottom of each sliding block, the mounting block and the connecting block are detachably connected, and a first connecting member is provided on the connecting block, and the first connecting member is used to connect and fix the mounting block and the connecting block.

[0015] In some possible embodiments, the first connecting member is configured as a connecting bolt, a first connecting hole is provided on the connecting block, the first connecting member is slidably inserted into the first connecting hole, and a first threaded hole for threaded connection of the first connecting member is provided on the mounting block.

[0016] In some possible embodiments, a plurality of the first connection holes are provided, and the plurality of first connection holes are evenly arranged on the connection block along the vertical direction. A first connection member is arranged in each first connection hole, and the first connection hole is configured as a countersunk hole.

[0017] Furthermore, the slide groove is provided as a T-shaped groove or a dovetail groove, and the slider is provided as a T-shaped block or a dovetail block adapted to the slide groove.

[0018] In some possible embodiments, a slot is opened in the vertical direction at the bottom of the mounting block, an insert block is slidably arranged in the slot, the insert block is fixedly connected to the top of the clamp rod, and a second connecting member is arranged on the mounting block, and the second connecting member is used to limit the position of the insert block at the inner end of the slot.

[0019] In some possible embodiments, a placement rack is arranged at the bottom of the mounting portion, and the placement rack includes a bottom plate and a vertical plate. The bottom plate is detachably arranged at the bottom of the mounting portion, and the vertical plate is fixedly arranged on the bottom plate along the vertical direction. The imaging device, the height detection device and the slide are all arranged on the bottom plate, the imaging device is arranged on one side of the vertical plate, and the height detection device and the slide are arranged on the other side of the vertical plate.

[0020] Furthermore, three fixed jaws are provided on the three-jaw chuck, and the three fixed jaws are arranged at an interval of 120° between each other. The front ends of the three fixed jaws are combined to form a placement bin. During the roundness detection process, the workpiece to be detected is placed in the placement bin.

[0021] In summary, the technical solution of the embodiment of the present application has at least the following advantages and beneficial effects:

[0022] 1. In actual use, the workpiece to be inspected is clamped and positioned by the clamping assembly, and then the manipulator is started to drive the mounting part to move, thereby driving the workpiece to be inspected to move. The workpiece to be inspected is placed on the three-jaw chuck by the manipulator, and the workpiece to be inspected is clamped and positioned by the three-jaw chuck. After that, the roundness of the workpiece to be inspected can be inspected. During the inspection process, the staff does not need to manually place the workpiece to be inspected on the three-jaw chuck, which saves labor costs and can effectively improve the inspection efficiency, ensure the accuracy of the placement position of the workpiece to be inspected, and thus ensure the accuracy of subsequent inspections.

[0023] 2. When it is necessary to clamp and position the workpiece to be inspected, start the drive assembly to drive the two mounting blocks to move towards each other, the mounting blocks then drive the clamping rod to move, the clamping rod drives the abutting parts to move towards each other to clamp and position the workpiece to be inspected. The operation is simple and quick, which can effectively improve work efficiency and ensure the speed of inspection.

[0024] 3. During the detection process, different types of connecting blocks and clamping rods are replaced according to the size of the workpiece to be detected. At this time, the connecting blocks and clamping rods can be disassembled respectively by disassembling the first connecting member and the second connecting member, which can effectively improve the application scope of the device and adapt to more types and models of workpieces to be detected, avoiding the situation of replacing detection equipment according to different workpieces, and further reducing the detection cost.

[0025] 4. When driving the two clamping rods to move toward each other, start the drive motor to drive the lead screw to rotate. As the lead screw rotates, the two sliders can be driven to move toward each other in the slide slot. The transmission is carried out through the mutually engaged threads between the lead screw and the slider. The transmission is more accurate, stable, reliable and effective, ensuring that the two clamping rods can accurately clamp the workpiece to be inspected and that the workpiece to be inspected is located in the middle of the slide, further improving the detection accuracy.

[0026] In summary, the utility model can realize automatic loading, automatic clamping, automatic detection and automatic unloading of the workpiece to be detected, improves the automation degree and detection efficiency of the workpiece roundness detection, ensures the detection accuracy and reduces the labor cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0028] Figure 2 This is a schematic structural diagram of a three-jaw chuck according to an embodiment of the present application;

[0029] Figure 3 A cross-sectional view of the mounting portion of an embodiment of the present application;

[0030] Figure 4 This is a schematic diagram of the internal explosion structure of the mounting portion of an embodiment of the present application;

[0031] Figure 5 This is a schematic diagram of the structure of the driving component of an embodiment of the present application;

[0032] Figure 6 It is a schematic diagram of the exploded structure of the first connecting member and the second connecting member of the embodiment of the present application.

[0033] Icons: 1. Inspection table; 11. Three-jaw chuck; 12. Fixed jaw; 13. Placement bin; 14. Vertical rod; 15. Roundness detector; 16. Area to be inspected; 17. Inspected area 2. Mounting frame; 21. Manipulator; 22. Mounting part; 23. Fence; 24. Imaging device; 25. Height detection device; 26. Mounting plate; 27. Fastening bolt; 3. Clamping assembly; 31. Clamping rod; 32. Abutment part; 33. Mounting block; 34. Connecting plate; 4. Driving assembly; 41. driving motor; 42. lead screw; 43. slide; 44. slide groove; 45. slider; 5. connecting block; 51. first connecting member; 52. first connecting hole; 53. first threaded hole; 6. slot; 61. plug block; 62. second connecting member; 63. second connecting hole; 64. second threaded hole; 7. placement rack; 71. bottom plate; 72. vertical plate; 73. through hole; 74. fixing bolt; 75. fixing hole; 8. workpiece to be inspected. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0035] The following reference Figures 1 to 5 This application is described in further detail.

[0036] Reference Figure 1 , 2 A workpiece roundness detection device includes a detection table 1, on which a three-jaw chuck 11 for clamping a workpiece 8 to be detected is arranged. Figure 2 As shown, three fixed jaws 12 are arranged on the three-jaw chuck 11, and the three fixed jaws 12 are arranged at an interval of 120° with each other. The front ends of the three fixed jaws 12 are combined to form a placement bin 13. During the roundness detection process, the workpiece 8 to be detected is placed in the placement bin 13, and then the three-jaw chuck 11 is started to drive the three fixed jaws 12 to move toward the placement bin 13, so that the workpiece 8 to be detected in the placement bin 13 can be clamped and fixed, and then the three-jaw chuck 11 is controlled to rotate, and the workpiece 8 to be detected is placed in the placement bin 13 along the vertical direction on one side of the detection table 1. A vertical rod 14 is fixedly provided in the vertical direction, and a roundness detector 15 is fixedly provided on the vertical rod 14. The roundness detector 15 detects the roundness of the workpiece clamped in the placement bin 13, and is mainly used to detect the roundness of the cylindrical circumference of the workpiece. A to-be-inspected area 16 is provided on one side of the inspection table 1, and an inspected area 17 is provided on the other side of the inspection table 1. The to-be-inspected area 16 is used to place the to-be-inspected workpiece 8. Usually, a number of to-be-inspected workpieces 8 are placed in the to-be-inspected area 16, and the inspected area 17 is used to place the workpiece that has completed the roundness inspection.

[0037] Reference Figure 1 , 3 A mounting frame 2 is provided on one side of the inspection platform 1, and a manipulator 21 is provided on the mounting frame 2. The manipulator 21 can rotate around the mounting frame 2. A mounting plate 26 is fixedly provided at one end of the manipulator 21 away from the mounting frame 2. The mounting portion 22 is provided at the bottom of the mounting plate 26. The mounting portion 22 and the mounting plate 26 are connected by fastening bolts 27. The mounting portion 22 is provided in a disc shape. A cylindrical enclosure 23 is provided at the bottom of the mounting portion 22 along the circumference of the mounting portion 22. The mounting portion 22 and the cylindrical enclosure 23 are integrally formed into a cylindrical structure. An imaging device 24 is provided at the bottom of the mounting portion 22, and a height detection device 25 is provided on one side of the imaging device 24. The height detection device 25 is fixedly connected to the mounting portion 22. A clamping assembly 3 is provided at the bottom of the mounting portion 22. The clamping assembly 3 is used to clamp the workpiece 8 to be inspected.

[0038] As an implementation method of this application, refer to Figure 3 , the imaging device 24 is set as a camera for identifying and finding the workpiece 8 to be detected, and the height detection device 25 is set as a laser rangefinder. In actual use, the camera is used to capture the image of the workpiece 8 to be detected and its surroundings. However, since the image captured by the camera is a plane image, the computer program cannot process the height information when processing the plane image. Therefore, it is necessary to use a laser rangefinder to detect and collect the height position of the workpiece 8 to be detected and the height information of the surrounding environment, so as to effectively determine the real-time height position of the workpiece 8 to be detected, which is convenient for the subsequent accurate capture and placement of the workpiece 8 to be detected.

[0039] Among them, refer to Figures 3 to 5 As an embodiment of the present application, the clamping assembly 3 includes a clamping rod 31 and an abutment portion 32. Two mounting blocks 33 are slidably arranged at the bottom of the mounting portion 22 in a horizontal direction. A clamping rod 31 is arranged at the bottom of each mounting block 33. The clamping rod 31 and the mounting block 33 are detachably connected. The abutment portion 32 is arranged on the side walls where the two clamping rods 31 are close to each other. A driving assembly 4 is arranged on the mounting portion 22. The driving assembly 4 is used to drive the two mounting blocks 33 to move toward or away from each other.

[0040] Reference Figure 4 , 5 The material of the abutment portion 32 is set to a soft polymer material such as rubber, which can protect the workpiece 8 to be detected and avoid causing hard damage to the surface of the workpiece 8 to be detected. At the same time, it can also increase the friction between the clamping rod 31 and the workpiece 8 to be detected, thereby improving the clamping stability of the workpiece 8 to be detected.

[0041] Reference Figure 5As an embodiment of the present application, the driving assembly 4 includes a driving motor 41 and a screw 42. A slide 43 is fixedly arranged at the bottom of the mounting portion 22. A slide groove 44 is opened at the bottom of the slide 43 in the horizontal direction. A slider 45 is slidably arranged in the slide groove 44. Two sliders 45 are provided. The two sliders 45 are respectively connected to the two mounting blocks 33 in a one-to-one correspondence. The driving motor 41 is arranged on one side of the slide 43. The screw 42 is rotatably arranged in the slide groove 44 along the length direction of the slide groove 44. The screw 42 and the output shaft of the driving motor 41 are coaxially fixedly connected through a coupling, and the slider 45 is threadedly sleeved on the screw 42.

[0042] Reference Figure 5 The slide groove 44 is provided as a T-shaped groove, and the slider 45 is provided as a T-shaped block adapted to the slide groove 44 ; as another possible implementation manner of the present application, the slide groove 44 can also be provided as a dovetail groove, in which case the slider 45 is provided as a dovetail block adapted to the slide groove 44 .

[0043] Reference Figure 5 The lead screw 42 is configured as a bidirectional lead screw, that is, spiral grooves with opposite rotation directions are provided in the left and right halves of the lead screw 42, and the two sliders 45 are respectively engaged with the two spiral grooves in a one-to-one corresponding manner. As the lead screw 42 rotates in the slide groove 44, the two sliders 45 can move in the slide groove 44 in a direction toward or away from each other.

[0044] Reference Figure 5 , 6 A connecting block 5 is fixedly connected to the bottom of each slider 45 , the mounting block 33 and the connecting block 5 are detachably connected, and a first connecting member 51 is provided on the connecting block 5 , and the first connecting member 51 is used to connect and fix the mounting block 33 and the connecting block 5 .

[0045] As an implementation method of this application, refer to Figure 6 The first connecting member 51 is configured as a connecting bolt, wherein the connecting block 5 is configured as an inverted "L" shape, including a horizontal piece and a vertical piece. The horizontal piece at the top of the connecting block 5 is fixedly connected to the slider 45. A first connecting hole 52 is provided on the vertical piece of the connecting block 5. The first connecting member 51 is slidably inserted into the first connecting hole 52. A connecting plate 34 is fixedly provided on the top of the mounting block 33. One side wall of the connecting plate 34 abuts against the vertical piece of the connecting block 5. A first threaded hole 53 for threaded connection of the first connecting member 51 is provided on the connecting plate 34.

[0046] Among them, refer to Figure 6There are multiple first connecting holes 52. As an embodiment of the present application, there are two first connecting holes 52. The two first connecting holes 52 are sequentially opened on the vertical piece of the connecting block 5 along the vertical direction. A first connecting member 51 is arranged in each first connecting hole 52. At the same time, two first threaded holes 53 are correspondingly opened on the connecting plate 34.

[0047] In addition, refer to Figure 5 , 6 The first connecting hole 52 is configured as a countersunk hole, that is, when the first connecting member 51 is fully connected to the first threaded hole 53, the nut of the first connecting member 51 is completely located in the first connecting hole 52, which can effectively reduce space occupancy.

[0048] Reference Figure 6 A slot 6 is provided at the bottom of the mounting block 33 in the vertical direction, an insert block 61 is slidably arranged in the slot 6, the insert block 61 is fixedly connected to the top of the clamp rod 31, and a second connecting member 62 is provided on the mounting block 33, and the second connecting member 62 is used to limit the position of the insert block 61 in the slot 6.

[0049] As an implementation method of this application, refer to Figure 6 The second connecting member 62 is configured as a connecting bolt, and a second connecting hole 63 is opened on the side wall of the mounting block 33. The second connecting hole 63 is connected to the slot 6. The second connecting member 62 is slidably inserted in the second connecting hole 63. A second threaded hole 64 for threaded connection of the second connecting member 62 is opened on the side wall of the insert block 61.

[0050] Preferably, refer to Figure 6 The second connecting hole 63 is set as a countersunk hole. When the second connecting member 62 is fully connected to the plug block 61, the nut part of the second connecting member 62 is completely located in the second connecting hole 63, which can also reduce the space occupied.

[0051] Reference Figure 4 , 5 A placement rack 7 is provided at the bottom of the mounting portion 22, and the placement rack 7 includes a bottom plate 71 and a vertical plate 72. The bottom plate 71 is detachably arranged at the bottom of the mounting portion 22, and the vertical plate 72 is fixedly arranged at the bottom of the bottom plate 71 along the vertical direction. The imaging device 24, the height detection device 25 and the slide 43 are all arranged on the bottom plate 71, the imaging device 24 is arranged on one side of the vertical plate 72, and the height detection device 25 and the slide 43 are arranged on the other side of the vertical plate 72.

[0052] Reference Figure 4A through hole 73 is opened on the bottom plate 71 in the vertical direction, and a fixing bolt 74 is slidably inserted into the through hole 73. A fixing hole 75 threadedly connected to the fixing bolt 74 is opened at the bottom of the mounting portion 22. In actual use, the position of the placement frame 7 on the bottom of the mounting portion 22 is connected and disassembled through the fixing bolt 74, so that the imaging device 24 and the height detection device 25 can be repaired and cleaned more conveniently, thereby improving the reliability and practicality of the overall device in actual use.

[0053] The implementation principle of a roundness meter detection device proposed in the embodiment of the present application is:

[0054] In actual use, the device is started, and the workpiece 8 to be detected in the inspection area 16 is identified and found through the imaging device 24 and the height detection device 25. Then, the workpiece 8 to be detected in the inspection area 16 is clamped and positioned through the clamping assembly 3, and specifically, the workpiece 8 to be detected is clamped between the two abutting portions 32. Then, the manipulator 21 is started to drive the mounting portion 22 to move, thereby driving the workpiece 8 to be detected to move. The workpiece 8 to be detected is placed on the three-jaw chuck 11 through the manipulator 21, and specifically placed in the placement bin 13 between the three fixed jaws 12. The three-claw chuck 11 is controlled to clamp and position the workpiece 8 to be detected through the three fixed jaws 12, and then the three-jaw chuck 11 is controlled to move. Rotate, and detect the roundness of the workpiece 8 to be inspected clamped in the placement bin 13 through the roundness detector 15, so as to detect its roundness. After the detection is completed, stop the rotation of the three-jaw chuck 11, and manipulate the three fixed claws 12 to move away from the placement bin 13, so as to release the workpiece that has completed the roundness detection, and then take out the workpiece in the placement bin 13 through the manipulator 21, and place it in the detected area 17. In the above-mentioned detection process, there is no need for the staff to manually place the workpiece 8 to be inspected on the three-jaw chuck 11, which saves labor costs and can effectively improve the detection efficiency, ensure the accuracy of the placement position of the workpiece 8 to be inspected, and then ensure the accuracy of subsequent roundness detection.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A workpiece roundness detection device, characterized in that: The invention comprises a testing platform (1), on which a three-jaw chuck (11) for clamping a workpiece (8) to be tested is arranged, a mounting frame (2) is arranged on one side of the testing platform (1), a manipulator (21) is arranged on the mounting frame (2), the manipulator (21) can rotate around the mounting frame (2), a mounting portion (22) is fixedly arranged at one end of the manipulator (21) away from the mounting frame (2), an imaging device (24) is arranged at the bottom of the mounting portion (22), a height detection device (25) is arranged on one side of the imaging device (24), the height detection device (25) is fixedly connected to the mounting portion (22), and a clamping assembly (3) is arranged at the bottom of the mounting portion (22), the clamping assembly (3) is used to clamp the workpiece (8) to be tested.

2. A workpiece roundness detection device according to claim 1, characterized in that: The clamping assembly (3) comprises a clamping rod (31) and an abutment portion (32). Two mounting blocks (33) are slidably arranged in a horizontal direction at the bottom of the mounting portion (22). A clamping rod (31) is arranged at the bottom of each mounting block (33). The clamping rod (31) and the mounting block (33) are detachably connected. The abutment portion (32) is arranged on the side walls where the two clamping rods (31) are close to each other. A driving assembly (4) is arranged on the mounting portion (22). The driving assembly (4) is used to drive the two mounting blocks (33) to move in a direction of approaching or moving away from each other.

3. A workpiece roundness detection device according to claim 2, characterized in that: The driving assembly (4) comprises a driving motor (41) and a lead screw (42). A slide table (43) is fixedly arranged at the bottom of the mounting portion (22). A slide groove (44) is provided at the bottom of the slide table (43) in a horizontal direction. A slider (45) is slidably arranged in the slide groove (44). Two sliders (45) are provided. The two sliders (45) are respectively connected to the two mounting blocks (33) in a one-to-one correspondence. The driving motor (41) is arranged at one side of the slide table (43). The lead screw (42) is rotatably arranged in the slide groove (44) along the length direction of the slide groove (44). The lead screw (42) is drivingly connected to the output shaft of the driving motor (41). The slider (45) is threadedly sleeved on the lead screw (42).

4. A workpiece roundness detection device according to claim 2, characterized in that: A connecting block (5) is fixedly connected to the bottom of each sliding block (45); the mounting block (33) and the connecting block (5) are detachably connected; a first connecting member (51) is provided on the connecting block (5); the first connecting member (51) is used to connect and fix the mounting block (33) and the connecting block (5).

5. A workpiece roundness detection device according to claim 3, characterized in that: The lead screw (42) is configured as a bidirectional lead screw, and spiral grooves with opposite rotation directions are provided on the left and right halves of the lead screw (42); the slide groove (44) is configured as a T-shaped groove or a dovetail groove, and the slider (45) is configured as a T-shaped block or a dovetail block adapted to the slide groove (44).

6. A workpiece roundness detection device according to claim 1, characterized in that: A vertical rod (14) is fixedly arranged in a vertical direction on one side of the detection platform (1), a roundness detector (15) is fixedly arranged on the vertical rod (14), a to-be-detected area (16) is arranged on one side of the detection platform (1), and an inspected area (17) is arranged on the other side of the detection platform (1), and a workpiece (8) to be inspected is placed in the to-be-detected area (16).

7. A workpiece roundness detection device according to any one of claims 2 to 6, characterized in that: A slot (6) is provided at the bottom of the mounting block (33) in a vertical direction, an insert block (61) is slidably arranged in the slot (6), the insert block (61) is fixedly connected to the top of the clamping rod (31), and a second connecting member (62) is provided on the mounting block (33), the second connecting member (62) being used to limit the position of the insert block (61) at the inner end of the slot (6).

8. A workpiece roundness detection device according to claim 3, characterized in that: A placement rack (7) is arranged at the bottom of the mounting portion (22), the placement rack (7) comprising a bottom plate (71) and a vertical plate (72), the bottom plate (71) being detachably arranged at the bottom of the mounting portion (22), the vertical plate (72) being fixedly arranged on the bottom plate (71) along a vertical direction, the imaging device (24), the height detection device (25) and the slide table (43) being arranged on the bottom plate (71), the imaging device (24) being arranged on one side of the vertical plate (72), and the height detection device (25) and the slide table (43) being arranged on the other side of the vertical plate (72).

9. A workpiece roundness detection device according to claim 1, characterized in that: Three fixed jaws (12) are arranged on the three-jaw chuck (11), and the three fixed jaws (12) are arranged at intervals of 120 degrees from each other. The front ends of the three fixed jaws (12) are combined to form a placement bin (13). During the roundness detection process, the workpiece (8) to be detected is placed in the placement bin (13).

10. A workpiece roundness detection device according to claim 1, characterized in that: A mounting plate (26) is fixedly arranged at one end of the manipulator (21) away from the mounting frame (2); the mounting portion (22) is arranged at the bottom of the mounting plate (26); the mounting portion (22) and the mounting plate (26) are connected via a fastening bolt (27); the mounting portion (22) is disc-shaped; a cylindrical enclosure (23) is arranged at the bottom of the mounting portion (22) along the circumference of the mounting portion (22); the mounting portion (22) and the cylindrical enclosure (23) are integrally formed into a cylindrical structure.

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