An automatic positioning and detection system for automobile brake discs

Abstract

The present invention relates to the technical field of eddy current flaw detection equipment, and specifically relates to an automatic positioning detection system for automobile brake discs, which includes a frame, a rotation control device and a clamping device. The rotation control device includes an annular mounting frame, a connecting rod, a first rotation driver, a first screw rod and a first rotation driving component. The annular mounting frame is rotatably mounted on the frame. The connecting rod is slidably mounted on the annular mounting frame. The first rotation driver is fixedly mounted on the annular mounting frame. The first screw rod is rotatably mounted on the annular mounting frame. The first screw rod is threadedly connected to the connecting rod. One end of the first screw rod is drivingly connected to the driving end of the first rotation driver. The first rotation driving component is fixedly mounted on the frame. The driving end of the first rotation driving component is drivingly connected to the annular mounting frame; the clamping device is fixedly connected to the connecting rod. This application realizes the function of stably supporting the brake disc and driving the brake disc to rotate, and avoids damage to the brake disc caused by friction between the brake disc and the supporting workpiece.

Description

Technical Field

[0001] The present invention relates to the technical field of eddy current flaw detection equipment, and particularly to an automatic positioning detection system for automotive brake discs. Background Art

[0002] During the production and manufacturing process and before leaving the factory, brake discs need to be subjected to eddy current flaw detection. Eddy current flaw detection is a flaw detection method that uses the principle of electromagnetic induction to detect surface defects of components and metal materials. Only when the detection results meet the requirements can the safe and reliable braking of the vehicle be ensured. However, during the flaw detection process, the workpiece needs to rotate at a relatively high speed. Therefore, it is easy to cause friction between the workpiece and the supporting parts, resulting in severe wear of both the workpiece and the supporting parts.

[0003] As disclosed in Chinese invention patent CN114324564A, a support bearing is also provided at the end of the support column. The inner mounting circle of the brake disc contacts the support bearing. When the brake disc rotates, the support bearing will rotate around its own axis, which can prevent friction between the inner mounting circle of the brake disc and the support column. When the brake disc rotates at a high speed, the support column will not scratch the brake disc, ensuring that the brake disc is not damaged during the detection process.

[0004] However, driving the workpiece to rotate at a high speed by matching the dial rod mechanism with the holes on the brake disc will cause severe wear of the holes on the brake disc, affecting the subsequent installation of the brake disc. Summary of the Invention

[0005] I. Technical Problems to be Solved

[0006] In view of the above-mentioned defects existing in the prior art, the present invention particularly provides an automatic positioning detection system for automotive brake discs, which solves the technical problem that driving the workpiece to rotate at a high speed by matching the dial rod mechanism with the holes on the brake disc in the prior art will cause severe wear of the holes on the brake disc and affect the subsequent installation of the brake disc.

[0007] II. Technical Solutions

[0008] To solve the above technical problems, the present invention provides an automatic positioning and detection system for an automotive brake disc, comprising a frame, a rotation control device, and a clamping device. The rotation control device includes an annular mounting frame, a connecting rod, a first rotation driver, a first screw rod, and a first rotation driving assembly. The annular mounting frame is rotatably mounted on the frame. There are multiple connecting rods, first rotation drivers, and first screw rods, which correspond to each other one by one. The connecting rod is slidably mounted on the annular mounting frame. The first rotation driver is fixedly mounted on the annular mounting frame. The first screw rod is rotatably mounted on the annular mounting frame. The first screw rod is threadedly connected to the connecting rod. One end of the first screw rod is in transmission connection with the driving end of the first rotation driver. The first rotation driving assembly is fixedly mounted on the frame, and the driving end of the first rotation driving assembly is in transmission connection with the annular mounting frame. The clamping device has multiple ones and corresponds to the connecting rod one by one. The clamping device is fixedly connected to the connecting rod.

[0009] Preferably, the clamping device includes a fixed clamping jaw, a movable clamping jaw, and a linear driving assembly. The fixed clamping jaw is fixedly connected to the connecting rod. There are two movable clamping jaws, and the movable clamping jaws are slidably engaged with the fixed clamping jaw. The linear driving assembly is fixedly mounted on the fixed clamping jaw, and the driving end of the linear driving assembly is in transmission connection with the movable clamping jaw.

[0010] Preferably, it further includes a positioning and supporting device. The positioning and supporting device includes a mounting table, a first mounting frame, a first linear driver, a vacuum suction cup, and a second linear driver. There are multiple first mounting frames, first linear drivers, vacuum suction cups, and second linear drivers, which correspond to each other one by one. The mounting table is fixedly mounted on the frame. The first mounting frame is slidably mounted on the mounting table. The first linear driver is fixedly mounted on the first mounting frame. The vacuum suction cup is in transmission connection with the driving end of the first linear driver. The second linear driver is fixedly mounted on the mounting table, and the driving end of the second linear driver is in transmission connection with the first mounting frame.

[0011] Preferably, the first rotation driving assembly includes a second rotation driver, a first bevel gear, a first rotation shaft, a second bevel gear, a first rotation gear, and a toothed ring. The second rotation driver is fixedly mounted on the frame. The first bevel gear is fixedly sleeved on the driving end of the second rotation driver. The first rotation shaft is rotatably mounted on the frame. The second bevel gear is fixedly sleeved on the first rotation shaft, and the second bevel gear is in transmission connection with the first bevel gear. The first rotation gear is fixedly sleeved on the first rotation shaft. The toothed ring is fixedly sleeved on the annular mounting frame, and the toothed ring is in transmission connection with the first rotation gear.

[0012] Preferably, the linear driving assembly includes a second screw rod, a connecting sleeve, a first rotation handle, and a limiting frame. The second screw rod is rotatably mounted on the fixed clamping jaw. The two ends of the connecting sleeve are respectively fixedly connected to the two movable clamping jaws, and the connecting sleeve is threadedly connected to the second screw rod. The first rotation handle is fixedly sleeved on the second screw rod. The limiting frame is fixedly mounted on the fixed clamping jaw.

[0013] Preferably, the clamping device further includes an adjustment control component, which includes a second rotating gear, a second rotating shaft, a third rotating gear, a third rotating shaft, a fourth rotating gear, and a second rotating handle; the second rotating gear is fixedly sleeved on the second screw; the second rotating shaft is rotatably installed on the fixed jaw; the third rotating gear is fixedly sleeved on the second rotating shaft, the third rotating gear is in transmission connection with the second rotating gear, and the transmission ratio of the third rotating gear to the second rotating gear is greater than 1; the third rotating shaft is rotatably installed on the fixed jaw, and the first rotating handle is fixedly sleeved on the third rotating shaft; the fourth rotating gear is fixedly sleeved on the third rotating shaft, the fourth rotating gear is in transmission connection with the second rotating gear, and the transmission ratio of the fourth rotating gear to the second rotating gear is less than 1; the second rotating handle is fixedly sleeved on the second rotating shaft, and scales are evenly arranged on the first rotating handle and the second rotating handle.

[0014] Preferably, it further includes an eddy current flaw detection device, which includes a mounting base, a second mounting bracket, and a detection probe; the mounting base is fixedly installed on the frame; the second mounting bracket is slidably installed on the mounting base; there are multiple detection probes, and the detection probes are fixedly installed on the second mounting bracket.

[0015] Preferably, anti-slip pads are fixedly installed on both the fixed jaw and the movable jaw.

[0016] Preferably, the positioning and supporting device further includes a third mounting bracket, a support column, and a lifting component; the third mounting bracket is slidably installed on the mounting table; the support column is rotatably installed on the third mounting bracket; the lifting component is fixedly installed on the mounting table, and the driving end of the lifting component is in transmission connection with the third mounting bracket.

[0017] Preferably, the lifting component includes a screw, a guide rod, a nut sleeve, a worm gear, a worm, and a third rotating driver; the screw and the guide rod are fixedly installed on the third mounting bracket; the guide rod is slidably matched with the mounting table; the nut sleeve is rotatably installed on the mounting table, and the nut sleeve is threadedly connected with the screw; the worm gear is fixedly sleeved on the nut sleeve; the worm is rotatably installed on the mounting table, and the worm is in transmission connection with the worm gear; the third rotating driver is fixedly installed on the mounting table, and the driving end of the third rotating driver is in transmission connection with the worm.

[0018] III. Beneficial effects

[0019] Compared with the prior art, the present invention realizes the functions of stably supporting the brake disc and driving the brake disc to rotate through the frame, the rotation control device and the clamping device, avoids the problem of damage to the brake disc caused by friction between the brake disc and the supporting workpiece, and achieves the purpose of quickly detecting the brake disc while preventing wear on the surface of the brake disc. The operator moves the brake disc to the annular mounting frame, and then drives the clamping device to extend through the first rotation driver, so that the clamping device clamps and fixes the brake disc. Then, the clamping device is driven to rotate through the first rotation drive assembly, and the clamping device drives the brake disc to rotate synchronously, avoiding damage to the brake disc during the detection process.

[0020] The functions of stably clamping brake discs with different thicknesses are realized through the fixed jaws, the movable jaws and the linear drive assembly, achieving the purpose of adapting to brake discs of different sizes, thereby improving the applicability of the device. When detecting brake discs of different sizes, the operator first drives the movable jaws to slide through the linear drive assembly to adjust the distance between the fixed jaws and the movable jaws, so as to adapt to the thickness of the brake disc and achieve the function of fixing brake discs with different thicknesses.

[0021] The functions of assisting in fixing the brake disc are realized through the mounting table, the first mounting frame, the first linear driver, the vacuum suction cup and the second linear driver, solving the problem of how to fix the brake disc at the annular mounting frame when fixing the brake disc through the clamping device, further simplifying the process of fixing the brake disc and improving the fixing stability of the brake disc. Brief Description of the Drawings

[0022] Figure 1 is a three-dimensional schematic diagram during the working process of the present invention;

[0023] Figure 2 is a top view of the present invention;

[0024] Figure 3 is a three-dimensional schematic diagram of the present invention when not working;

[0025] Figure 4 is a three-dimensional schematic diagram of the clamping device of the present invention after being matched with the connecting rod;

[0026] Figure 5 is a three-dimensional schematic diagram of the positioning and supporting device of the present invention;

[0027] Figure 6 is a three-dimensional schematic diagram of the first rotation drive assembly of the present invention;

[0028] Figure 7 is the present invention Figure 4 is a partial enlarged schematic diagram at position A in;

[0029] Figure 8 is the present invention Figure 4 is a partial enlarged schematic diagram at position B in;

[0030] Figure 9 is a three-dimensional schematic diagram of the clamping device of the present invention;

[0031] Figure 10 is a three-dimensional exploded schematic diagram of the clamping assembly of the present invention;

[0032] Figure 11 is the present invention Figure 10 a partial enlarged schematic diagram at position C in;

[0033] Figure 12 is a three-dimensional schematic diagram of the rotation control device of the present invention;

[0034] Figure 13 is a three-dimensional schematic diagram of the lifting assembly of the present invention

[0035] In the figure:

[0036] 1 is a frame;

[0037] 2 is a rotation control device; 2a is an annular mounting bracket; 2b is a connecting rod; 2c is a first rotation driver; 2d is a first screw; 2e is a first rotation drive assembly; 2e1 is a second rotation driver; 2e2 is a first bevel gear; 2e3 is a first rotation shaft; 2e4 is a second bevel gear; 2e5 is a first rotation gear; 2e6 is a toothed ring;

[0038] 3 is a clamping device; 3a is a fixed jaw; 3b is a movable jaw; 3c is a linear drive assembly; 3c1 is a second screw; 3c2 is a connecting sleeve; 3c3 is a first rotation handle; 3c4 is a limit bracket; 3d is an adjustment control assembly; 3d1 is a second rotation gear; 3d2 is a second rotation shaft; 3d3 is a third rotation gear; 3d4 is a third rotation shaft; 3d5 is a fourth rotation gear; 3d6 is a second rotation handle; 3e is an anti-slip pad;

[0039] 4 is a positioning and supporting device; 4a is a mounting table; 4b is a first mounting bracket; 4c is a first linear driver; 4d is a vacuum chuck; 4e is a second linear driver; 4f is a third mounting bracket; 4g is a support column; 4h is a lifting assembly; 4h1 is a screw; 4h2 is a guide rod; 4h3 is a nut sleeve; 4h4 is a worm gear; 4h5 is a worm; 4h6 is a third rotation driver;

[0040] 5 is an eddy current flaw detection device; 5a is a mounting seat; 5b is a second mounting bracket; 5c is a detection probe;

[0041] 6 is a brake disc. Detailed implementation manners

[0042] The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0043] Embodiment 1:

[0044] As Figures 1 to 13 shown, the automatic positioning detection system for an automotive brake disc in this embodiment includes a frame 1, a rotation control device 2, and a clamping device 3. The rotation control device 2 includes an annular mounting frame 2a, a connecting rod 2b, a first rotation driver 2c, a first screw 2d, and a first rotation drive assembly 2e. The annular mounting frame 2a is rotatably mounted on the frame 1. There are multiple connecting rods 2b, first rotation drivers 2c, and first screws 2d, which correspond to each other one by one. The connecting rod 2b is slidably mounted on the annular mounting frame 2a. The first rotation driver 2c is fixedly mounted on the annular mounting frame 2a. The first screw 2d is rotatably mounted on the annular mounting frame 2a. The first screw 2d is threadedly connected to the connecting rod 2b. One end of the first screw 2d is drivingly connected to the driving end of the first rotation driver 2c. The first rotation drive assembly 2e is fixedly mounted on the frame 1. The driving end of the first rotation drive assembly 2e is drivingly connected to the annular mounting frame 2a; there are multiple clamping devices 3, which correspond to the connecting rods 2b one by one. The clamping device 3 is fixedly connected to the connecting rod 2b.

[0045] Specifically, in this embodiment, the functions of stably supporting the brake disc 6 and driving the brake disc 6 to rotate are realized through the frame 1, the rotation control device 2, and the clamping device 3, avoiding the problem that the brake disc 6 is damaged due to friction with the supporting workpiece, and achieving the purpose of preventing the surface of the brake disc 6 from being worn while quickly detecting the brake disc 6. The first rotation driver 2c is preferably a servo motor. The servo motor and the first rotation drive assembly 2e are electrically connected to the controller; the operator moves the brake disc 6 to the annular mounting frame 2a, and then sends a signal to the first rotation driver 2c through the controller. The first rotation driver 2c drives the first screw 2d to rotate. The first screw 2d drives the connecting rod 2b that is threadedly connected to it to expand and contract. The connecting rod 2b drives the clamping device 3 to move, so that the clamping device 3 approaches the edge of the brake disc 6, and then the brake disc 6 is supported and fixed by the clamping device 3; then the operator sends a signal to the first rotation drive assembly 2e through the controller again. After receiving the signal, the first rotation drive assembly 2e drives the annular mounting frame 2a to rotate. The annular mounting frame 2a drives the connecting rod 2b and the clamping device 3 to rotate, thereby driving the brake disc 6 to rotate for quick detection of it.

[0046] As Figure 4As shown, the clamping device 3 includes a fixed jaw 3a, a movable jaw 3b and a linear drive assembly 3c; the fixed jaw 3a is fixedly connected to the connecting rod 2b; there are two movable jaws 3b, and the movable jaws 3b are slidably engaged with the fixed jaw 3a; the linear drive assembly 3c is fixedly installed on the fixed jaw 3a, and the drive end of the linear drive assembly 3c is drivingly connected to the movable jaw 3b.

[0047] Specifically, the functions of stably clamping brake discs 6 with different thicknesses are realized through the fixed jaw 3a, the movable jaw 3b and the linear drive assembly 3c, achieving the purpose of adapting to brake discs 6 of different sizes, thereby improving the applicability of the device. Brake discs 6 of different models have different sizes. When detecting brake discs 6 of different sizes, the operator first drives the movable jaw 3b to slide through the linear drive assembly 3c to adjust the distance between the fixed jaw 3a and the movable jaw 3b to adapt to the thickness of the brake disc 6. Then, the operator sends a signal to the first rotary drive 2c through the controller. After receiving the signal, the first rotary drive 2c drives the connecting rod 2b to extend, so that the fixed jaw 3a and the movable jaw 3b are pressed against the brake disc 6, completing the clamping and support of the brake disc 6. The brake disc 6 is fixed through the cooperation of multiple clamping devices 3, and then the brake disc 6 is driven to rotate by the first rotary drive assembly 2e for subsequent operations.

[0048] As Figure 1 、 Figure 3 and Figure 5 As shown, this embodiment further includes a positioning and supporting device 4. The positioning and supporting device 4 includes a mounting table 4a, a first mounting frame 4b, a first linear drive 4c, a vacuum chuck 4d and a second linear drive 4e. There are multiple first mounting frames 4b, first linear drives 4c, vacuum chucks 4d and second linear drives 4e, and they correspond to each other one by one; the mounting table 4a is fixedly installed on the frame 1; the first mounting frame 4b is slidably installed on the mounting table 4a; the first linear drive 4c is fixedly installed on the first mounting frame 4b; the vacuum chuck 4d is drivingly connected to the drive end of the first linear drive 4c; the second linear drive 4e is fixedly installed on the mounting table 4a, and the drive end of the second linear drive 4e is drivingly connected to the first mounting frame 4b.

[0049] The function of assisting in fixing the brake disc 6 is achieved through the mounting table 4a, the first mounting frame 4b, the first linear driver 4c, the vacuum chuck 4d and the second linear driver 4e. The problem of how to fix the brake disc 6 at the annular mounting frame 2a when fixing the brake disc 6 through the clamping device 3 is solved. The positioning process is further simplified and the positioning stability is improved. The first linear driver 4c and the second linear driver 4e are preferably linear cylinders, and the first linear driver 4c, the vacuum chuck 4d and the second linear driver 4e are electrically connected to the controller; the operator adjusts the vacuum chuck 4d to a suitable position according to the size of the brake disc 6, and the synchronous adjustment effect can be easily achieved by driving the vacuum chuck 4d through the linear cylinder; before installing the brake disc 6, the operator first sends a signal to the first linear driver 4c through the controller, the first linear driver 4c drives the vacuum chuck 4d to rise to the specified position, then places the brake disc 6 on the vacuum chuck 4d, then the controller sends a signal to the vacuum chuck 4d, the vacuum chuck 4d supports and fixes the brake disc 6, and then the clamping device 3 is driven by the first rotary driver 2c to clamp the brake disc 6. After the clamping is completed, the adsorption of the vacuum chuck 4d on the brake disc 6 is stopped, and the vacuum chuck 4d is driven to descend by the first rotary driver 2c so as to drive the brake disc 6 to rotate through the first rotary drive assembly 2e for subsequent detection steps.

[0050] As Figure 6 and Figure 7 shown, the first rotary drive assembly 2e includes a second rotary driver 2e1, a first bevel gear 2e2, a first rotary shaft 2e3, a second bevel gear 2e4, a first rotary gear 2e5 and a toothed ring 2e6; the second rotary driver 2e1 is fixedly installed on the frame 1; the first bevel gear 2e2 is fixedly sleeved on the driving end of the second rotary driver 2e1; the first rotary shaft 2e3 is rotatably installed on the frame 1; the second bevel gear 2e4 is fixedly sleeved on the first rotary shaft 2e3, and the second bevel gear 2e4 is in transmission connection with the first bevel gear 2e2; the first rotary gear 2e5 is fixedly sleeved on the first rotary shaft 2e3; the toothed ring 2e6 is fixedly sleeved on the annular mounting frame 2a, and the toothed ring 2e6 is in transmission connection with the first rotary gear 2e5.

[0051] In this embodiment, the second rotary driver 2e1, the first bevel gear 2e2, the first rotary shaft 2e3, the second bevel gear 2e4, the first rotary gear 2e5 and the toothed ring 2e6 are used to realize the function of driving the annular mounting bracket 2a to rotate, so as to achieve the purpose of driving the annular mounting bracket 2a to rotate at a constant speed. The second rotary driver 2e1 is preferably a servo motor, and the servo motor is electrically connected to the controller. Before installing the brake disc 6, the operator first sends a signal to the first linear driver 4c through the controller. The first linear driver 4c drives the vacuum chuck 4d to rise to a specified position, then places the brake disc 6 on the vacuum chuck 4d. Then the controller sends a signal to the vacuum chuck 4d, and the vacuum chuck 4d supports and fixes the brake disc 6. Then, the linear drive assembly 3c is used to drive the movable jaw 3b to slide to clamp and fix the brake disc 6. Then, the adsorption of the vacuum chuck 4d is stopped, and the first linear driver 4c is used to drive the vacuum chuck 4d to descend. Then, the controller sends a signal to the second rotary driver 2e1. After receiving the signal, the second rotary driver 2e1 drives the first bevel gear 2e2 to rotate. The first bevel gear 2e2 drives the second bevel gear 2e4 connected to it to rotate. The second bevel gear 2e4 drives the first rotary shaft 2e3 and the first rotary gear 2e5 to rotate. The first rotary gear 2e5 drives the toothed ring 2e6 connected to it to rotate. The toothed ring 2e6 drives the brake disc 6 to rotate at a constant speed, so as to facilitate subsequent detection operations.

[0052] As Figure 9 and Figure 10 shown, the linear drive assembly 3c includes a second screw 3c1, a connecting sleeve 3c2, a first rotary handle 3c3 and a limiting frame 3c4; the second screw 3c1 is rotatably installed on the fixed jaw 3a; both ends of the connecting sleeve 3c2 are fixedly connected to the two movable jaws 3b, and the connecting sleeve 3c2 is threadedly connected to the second screw 3c1; the first rotary handle 3c3 is fixedly sleeved on the second screw 3c1; the limiting frame 3c4 is fixedly installed on the fixed jaw 3a.

[0053] Therefore, in this embodiment, the second screw 3c1, the connecting sleeve 3c2, the first rotary handle 3c3 and the limiting frame 3c4 are used to realize the function of manually adjusting the distance between the movable jaw 3b and the fixed jaw 3a. When clamping a workpiece, the operator needs to first adjust the distance between the fixed jaw 3a and the movable jaw 3b to adapt to the thickness of the brake disc 6. The operator first rotates the first rotary handle 3c3, and the first rotary handle 3c3 drives the second screw 3c1 to rotate. The second screw 3c1 drives the connecting sleeve 3c2 connected to it to move up and down. The connecting sleeve 3c2 drives the two movable jaws 3b to move synchronously, and the movement range of the movable jaw 3b is restricted by the cooperation of the limiting frame 3c4 and the fixed jaw 3a. After the adjustment is completed, the controller sends a signal to the first rotary driver 2c, and the fixed jaw 3a and the movable jaw 3b are driven by 2c2 to extend to clamp and fix the brake disc 6.

[0054] As Figure 4 , Figure 10 and Figure 11 shown, the clamping device 3 further includes an adjustment control assembly 3d. The adjustment control assembly 3d includes a second rotating gear 3d1, a second rotating shaft 3d2, a third rotating gear 3d3, a third rotating shaft 3d4, a fourth rotating gear 3d5, and a second rotating handle 3d6. The second rotating gear 3d1 is fixedly sleeved on the second screw 3c1. The second rotating shaft 3d2 is rotatably installed on the fixed jaw 3a. The third rotating gear 3d3 is fixedly sleeved on the second rotating shaft 3d2, and the third rotating gear 3d3 is in transmission connection with the second rotating gear 3d1. The transmission ratio of the third rotating gear 3d3 to the second rotating gear 3d1 is greater than 1. The third rotating shaft 3d4 is rotatably installed on the fixed jaw 3a, and the first rotating handle 3c3 is fixedly sleeved on the third rotating shaft 3d4. The fourth rotating gear 3d5 is fixedly sleeved on the third rotating shaft 3d4, and the fourth rotating gear 3d5 is in transmission connection with the second rotating gear 3d1. The transmission ratio of the fourth rotating gear 3d5 to the second rotating gear 3d1 is less than 1. The second rotating handle 3d6 is fixedly sleeved on the second rotating shaft 3d2, and scales are evenly arranged on the first rotating handle 3c3 and the second rotating handle 3d6.

[0055] In this embodiment, the function of quickly and precisely adjusting the distance between the fixed jaw 3a and the movable jaw 3b is realized through the second rotating gear 3d1, the second rotating shaft 3d2, the third rotating gear 3d3, the third rotating shaft 3d4, the fourth rotating gear 3d5 and the second rotating handle 3d6, avoiding the problem that the clamping thickness adjustment of multiple clamping devices 3 is asynchronous, which affects the clamping and fixing of the brake disc 6. The operator first rotates the first rotating handle 3c3, and the first rotating handle 3c3 drives the third rotating shaft 3d4 and the fourth rotating gear 3d5 to rotate. The fourth rotating gear 3d5 drives the second rotating gear 3d1 connected to it by transmission to rotate. The second rotating gear 3d1 drives the second screw 3c1 to rotate. The second screw 3c1 drives the connecting sleeve 3c2 connected to it by transmission to lift and lower. The connecting sleeve 3c2 drives the two movable jaws 3b to move synchronously, and the distance between the fixed jaw 3a and the movable jaw 3b is roughly adjusted. When the distance between the movable jaw 3b and the fixed jaw 3a is close to the thickness of the brake disc 6, the operator starts to rotate the second rotating handle 3d6. The second rotating handle 3d6 drives the second rotating shaft 3d2 and the third rotating gear 3d3 to rotate. The third rotating gear 3d3 drives the second rotating gear 3d1 connected to it by transmission to rotate. The second rotating gear 3d1 drives the second screw 3c1 to rotate. The second screw 3c1 drives the connecting sleeve 3c2 connected to it by transmission to lift and lower. The connecting sleeve 3c2 drives the two movable jaws 3b to move synchronously, and the distance between the fixed jaw 3a and the movable jaw 3b is finely adjusted, thus completing the precise adjustment of the distance between the fixed jaw 3a and the movable jaw 3b. After the adjustment is completed, the controller sends a signal to the first rotating driver 2c, and through 2c2, the fixed jaw 3a and the movable jaw 3b are driven to extend to clamp and fix the brake disc 6.

[0056] As Figure 6 and Figure 8 shown, it further includes an eddy current flaw detection device 5. The eddy current flaw detection device 5 includes a mounting base 5a, a second mounting bracket 5b and a detection probe 5c; the mounting base 5a is fixedly installed on the frame 1; the second mounting bracket 5b is slidably installed on the mounting base 5a; there are multiple detection probes 5c, and the detection probes 5c are fixedly installed on the second mounting bracket 5b.

[0057] In this embodiment, the function of detecting the brake disc 6 is realized through the mounting base 5a, the second mounting bracket 5b and the detection probe 5c; the detection probe 5c is electrically connected to the controller; since the sizes of brake discs 6 of different models are different, therefore, it is necessary to adjust the detection position of the eddy current flaw detection device 5. The operator slides the second mounting bracket 5b according to the size of the brake disc 6 to accurately align the detection probe 5c with the specified detection position, improving the flexibility and adaptability of the detection.

[0058] As Figure 9 shown, anti-slip pads 3e are fixedly installed on both the fixed jaw 3a and the movable jaw 3b.

[0059] In this embodiment, the anti-slip pad 3e realizes the function of enhancing the clamping stability between the fixed jaw 3a and the movable jaw 3b and the brake disc 6, avoiding the slipping between the annular mounting bracket 2a and the brake disc 6. The anti-slip pad 3e is preferably made of an elastic flexible material. The operator first temporarily fixes the brake disc 6 through the positioning and supporting device 4, and then drives the fixed jaw 3a to extend through the first rotary driver 2c, so that the brake disc 6 is clamped between the fixed jaw 3a and the movable jaw 3b. The anti-slip pad 3e increases the friction between the fixed jaw 3a and the movable jaw 3b and the brake disc 6, and through the misaligned sliding of the fixed jaw 3a and the movable jaw 3b, the anti-slip pad 3e is prevented from hindering the sliding of the movable jaw 3b.

[0060] Embodiment 2:

[0061] Compared with Embodiment 1, as Figure 5 and Figure 13 shown, the positioning and supporting device 4 further includes a third mounting bracket 4f, a support column 4g and a lifting assembly 4h; the third mounting bracket 4f is slidably mounted on the mounting table 4a; the support column 4g is rotatably mounted on the third mounting bracket 4f; the lifting assembly 4h is fixedly mounted on the mounting table 4a, and the driving end of the lifting assembly 4h is in transmission connection with the third mounting bracket 4f.

[0062] In this embodiment, the third mounting bracket 4f, the support column 4g and the lifting assembly 4h realize the function of facilitating the operator to install the brake disc 6; the lifting assembly 4h is electrically connected to the controller; when detecting the brake disc 6, the operator needs to first fix the brake disc 6 to the vacuum chuck 4d. For this purpose, the support column 4g is provided. When the operator installs the brake disc 6, the brake disc 6 can be directly sleeved on the support column 4g, and the brake disc 6 is guided by the support column 4g to smoothly contact the vacuum chuck 4d, and then the brake disc 6 is adsorbed and fixed by the vacuum chuck 4d, and then the brake disc 6 is clamped and fixed by the clamping device 3. Then, the first rotary drive assembly 2e is used to drive the annular mounting bracket 2a to rotate. The annular mounting bracket 2a drives the clamping device 3 to rotate, and the clamping device 3 drives the brake disc 6 to rotate. When the brake disc 6 rotates, it will drive the support column 4g to rotate, thus avoiding the problem of friction between the brake disc 6 and the support column 4g, resulting in wear of the brake disc 6; when detecting brake discs 6 of different models, the operator sends a signal to the lifting assembly 4h through the controller, and after receiving the signal, the lifting assembly 4h drives the third mounting bracket 4f to lift, so that the support column 4g can stably support the brake disc 6.

[0063] As Figure 13As shown in the figure, the lifting assembly 4h includes a screw rod 4h1, a guide rod 4h2, a nut sleeve 4h3, a worm gear 4h4, a worm 4h5 and a third rotary driver 4h6; the screw rod 4h1 and the guide rod 4h2 are fixedly installed on the third mounting bracket 4f; the guide rod 4h2 is slidably matched with the mounting table 4a; the nut sleeve 4h3 is rotatably installed on the mounting table 4a, and the nut sleeve 4h3 is threadedly connected with the screw rod 4h1; the worm gear 4h4 is fixedly sleeved on the nut sleeve 4h3; the worm 4h5 is rotatably installed on the mounting table 4a, and the worm 4h5 is drivingly connected with the worm gear 4h4; the third rotary driver 4h6 is fixedly installed on the mounting table 4a, and the driving end of the third rotary driver 4h6 is drivingly connected with the worm 4h5.

[0064] In this embodiment, the stable driving function of lifting the support column 4g is realized through the screw rod 4h1, the guide rod 4h2, the nut sleeve 4h3, the worm gear 4h4, the worm 4h5 and the third rotary driver 4h6. Moreover, due to the self-locking property of the worm gear 4h4 and the worm 4h5, the situation that the support column 4g slides in the vertical direction during the rotation of the annular mounting bracket 2a is avoided. The third rotary driver 4h6 is preferably a servo motor, and the servo motor is electrically connected to the controller. When detecting brake discs 6 of different models, the operator sends a signal to the third rotary driver 4h6 through the controller. After receiving the signal, the third rotary driver 4h6 drives the worm 4h5 to rotate. The worm 4h5 drives the worm gear 4h4 connected to it to rotate. The worm gear 4h4 drives the nut sleeve 4h3 to rotate synchronously. The nut sleeve 4h3 drives the screw rod 4h1 connected to it to lift and lower. The screw rod 4h1 drives the third mounting bracket 4f and the support column 4g to lift and lower, so that the support column 4g can stably support the brake disc 6.

[0065] The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. An automatic positioning and detection system for automobile brake discs, characterized in that, The automatic positioning and detection system for automotive brake discs includes a frame, a rotation control device, and a clamping device. The rotation control device includes an annular mounting frame, connecting rods, a first rotation driver, a first screw, and a first rotation drive assembly. The annular mounting frame is rotatably mounted on the frame. There are multiple connecting rods, first rotation drivers, and first screws, which correspond to each other one by one. The connecting rods are slidably mounted on the annular mounting frame. The first rotation drivers are fixedly mounted on the annular mounting frame. The first screws are rotatably mounted on the annular mounting frame. The first screws are threadedly connected to the connecting rods. One end of the first screw is drivingly connected to the driving end of the first rotation driver. The first rotation drive assembly is fixedly mounted on the frame, and the driving end of the first rotation drive assembly is drivingly connected to the annular mounting frame. There are multiple clamping devices, which correspond to the connecting rods one by one. The clamping devices are fixedly connected to the connecting rods. The clamping device includes a fixed jaw, a movable jaw, and a linear drive assembly. The fixed jaw is fixedly connected to the connecting rod. There are two movable jaws, and the movable jaws are slidably engaged with the fixed jaw. The linear drive assembly is fixedly mounted on the fixed jaw, and the driving end of the linear drive assembly is drivingly connected to the movable jaw. The automatic positioning and detection system for automotive brake discs further includes a positioning and support device. The positioning and support device includes a mounting table, a first mounting frame, a first linear driver, a vacuum chuck, and a second linear driver. There are multiple first mounting frames, first linear drivers, vacuum chucks, and second linear drivers, which correspond to each other one by one. The mounting table is fixedly mounted on the frame. The first mounting frame is slidably mounted on the mounting table. The first linear driver is fixedly mounted on the first mounting frame. The vacuum chuck is drivingly connected to the driving end of the first linear driver. The second linear driver is fixedly mounted on the mounting table, and the driving end of the second linear driver is drivingly connected to the first mounting frame. Then, the brake disc is supported and fixed by the clamping device. After receiving the signal, the first rotation drive assembly drives the annular mounting frame to rotate. The annular mounting frame drives the connecting rods and the clamping devices to rotate, thereby driving the brake disc to rotate.

2. The automatic positioning detection system for an automotive brake disc according to claim 1, characterized in that, The first rotation drive assembly includes a second rotation driver, a first bevel gear, a first rotating shaft, a second bevel gear, a first rotating gear, and a toothed ring. The second rotation driver is fixedly mounted on the frame. The first bevel gear is fixedly sleeved on the driving end of the second rotation driver. The first rotating shaft is rotatably mounted on the frame. The second bevel gear is fixedly sleeved on the first rotating shaft, and the second bevel gear is drivingly connected to the first bevel gear. The first rotating gear is fixedly sleeved on the first rotating shaft. The toothed ring is fixedly sleeved on the annular mounting frame, and the toothed ring is drivingly connected to the first rotating gear.

3. An automatic positioning detection system for an automotive brake disc according to claim 1, wherein, The linear drive assembly includes a second screw, a connecting sleeve, a first rotating handle, and a limiting frame. The second screw is rotatably mounted on the fixed jaw. Both ends of the connecting sleeve are fixedly connected to the two movable jaws respectively, and the connecting sleeve is threadedly connected to the second screw. The first rotating handle is fixedly sleeved on the second screw. The limiting frame is fixedly mounted on the fixed jaw.

4. The automatic positioning and detection system for an automotive brake disc according to claim 3, characterized in that, The clamping device further includes an adjustment control assembly. The adjustment control assembly includes a second rotating gear, a second rotating shaft, a third rotating gear, a third rotating shaft, a fourth rotating gear, and a second rotating handle. The second rotating gear is fixedly sleeved on the second screw rod; The second rotating shaft is rotatably installed on the fixed jaw; The third rotating gear is fixedly sleeved on the second rotating shaft. The third rotating gear is in transmission connection with the second rotating gear, and the transmission ratio of the third rotating gear to the second rotating gear is greater than 1; The third rotating shaft is rotatably installed on the fixed jaw, and the first rotating handle is fixedly sleeved on the third rotating shaft; The fourth rotating gear is fixedly sleeved on the third rotating shaft. The fourth rotating gear is in transmission connection with the second rotating gear, and the transmission ratio of the fourth rotating gear to the second rotating gear is less than 1; The second rotating handle is fixedly sleeved on the second rotating shaft, and scales are evenly arranged on the first rotating handle and the second rotating handle.

5. An automatic positioning detection system for an automotive brake disc according to any one of claims 1-4, characterized in that, It further includes an eddy current flaw detection device, and the eddy current flaw detection device includes a mounting base, a second mounting frame and a detection probe; The mounting base is fixedly installed on the frame; The second mounting frame is slidably installed on the mounting base; There are multiple detection probes, and the detection probes are fixedly installed on the second mounting frame.

6. The automatic positioning and detection system for an automotive brake disc according to claim 1, wherein, Anti-slip pads are fixedly installed on both the fixed jaw and the movable jaw.

7. An automatic positioning detection system for an automotive brake disc according to claim 1, wherein The positioning and supporting device further includes a third mounting frame, a support column and a lifting assembly; The third mounting frame is slidably installed on the mounting table; The support column is rotatably installed on the third mounting frame; The lifting assembly is fixedly installed on the mounting table, and the driving end of the lifting assembly is in transmission connection with the third mounting frame.

8. An automatic positioning detection system for an automotive brake disc according to claim 7, characterized in that, The lifting assembly includes a screw rod, a guide rod, a nut sleeve, a worm gear, a worm and a third rotating driver; The screw rod and the guide rod are fixedly installed on the third mounting frame; The guide rod is in sliding fit with the mounting table; The nut sleeve is rotatably installed on the mounting table, and the nut sleeve is in threaded connection with the screw rod; The worm gear is fixedly sleeved on the nut sleeve; The worm is rotatably installed on the mounting table, and the worm is in transmission connection with the worm gear; The third rotating driver is fixedly installed on the mounting table, and the driving end of the third rotating driver is in transmission connection with the worm.

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