A high-precision detection device and detection method for brake pad manufacturing

Abstract

The present invention provides a high-precision detection device and detection method for brake pad manufacturing, which belongs to the field of brake pad detection technology; it includes a fixed seat, a circular ring is fixed on the top of the fixed seat, a cylinder is vertically fixed on the bottom of the inner wall of the fixed seat, a circular plate is fixed on the top of the cylinder, the top of the circular plate is aligned with the top of the circular ring, a back plate is placed on the top of the circular plate and the circular ring, a friction plate is located between the circular plate and the circular ring, and a circular pad is fixed on the bottom of the fixed seat; a detection component, the detection component is a plurality of groups. The present invention sets the detection component, when the friction plate rotates a circle on the top of the circular plate and the circular ring, the displacement sensor can perform a full range of detection on the friction plate, the detected value is directly displayed on the display screen, and the position where the thickness of the friction plate exceeds the standard value will be marked by the marking plate 1 and the marking plate 2, so as to improve the convenience of friction plate detection, and the position where the friction plate does not meet the standard can be visually observed after the detection.

Description

Technical Field

[0001] The present invention relates to the technical field of brake pad detection, and in particular to a high-precision detection device and a detection method for brake pad manufacturing. Background Art

[0002] Brake pads are an important component of the braking system of motor vehicles or non-motor vehicles. They are mainly used for friction braking. Brake pads generate friction by contacting with brake discs (or brake drums), thereby slowing down or stopping the movement of the vehicle. After the brake pads are manufactured, the thickness of the brake pads needs to be tested. During the test, a vernier caliper is clamped on the brake pads, and the thickness of the friction pads of the brake pads is tested by the vernier caliper to prevent the thickness of the friction pads of the brake pads from exceeding the error value, thereby improving the safety of the brake pads in use. After the thickness of the brake pads is tested, they can be polished and other operations are performed on them.

[0003] The brake pad needs to be tested at multiple positions using a vernier caliper, and the values ​​detected at multiple positions shall not exceed the error value. When testing, the vernier caliper reading is first read, the value is recorded, and compared with the standard value. The comparison result must be smaller than the error value. When testing at multiple points, the vernier caliper value needs to be read multiple times and compared with the standard value multiple times. The convenience of testing needs to be improved. Therefore, the present application provides a high-precision testing device and method for brake pad manufacturing to meet the needs. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a high-precision detection device and detection method for brake pad manufacturing to solve the problem that the convenience of detection needs to be improved.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A high-precision detection device and detection method for brake pad manufacturing, comprising a fixing seat, a circular ring is fixed on the top of the fixing seat, a cylinder is vertically fixed on the bottom of the inner wall of the fixing seat, a circular plate is fixed on the top of the cylinder, the top of the circular plate is aligned with the top of the circular ring, a back plate is placed on the top of the circular plate and the circular ring, a friction plate is located between the circular plate and the circular ring, and a circular pad is fixed on the bottom of the fixing seat;

[0007] The detection components are divided into multiple groups, and the multiple groups of detection components are all arranged in a fixed seat. The multiple groups of detection components are respectively used to detect the thickness of arc-shaped areas of the friction plate that are concentric and have different diameter positions. The detection components are also used to mark the position of the friction plate that exceeds the thickness error range.

[0008] Preferably, the detection components include a mounting plate, which is fixed to the bottom of the inner wall of the fixing seat, a displacement sensor is fixed to the top of the mounting plate, a square plate is fixed to the top of the displacement sensor, a truncated cone roller is arranged above the square plate, a marking plate 2 is fixed to the end with a smaller diameter of the truncated cone roller, a marking plate 1 is fixed to the end with a larger diameter of the truncated cone roller, a ball pin 1 is fixed to the end of the marking plate 2 away from the truncated cone roller, a ball seat is movably connected to the surface of the ball pin 1, the ball seat is fixed to the top of the square plate, an inner square cavity is provided on the inner wall of the truncated cone roller, a square hole is provided on the surface of the end with a larger diameter of the truncated cone roller and the marking plate 1, the square hole is connected to the inner square cavity, a square rod is slidably connected to the inner wall of the square hole, and the square rod A limit plate is fixed at the end, and the limit plate is located in the inner square cavity. A ball pin 2 is fixed on the end of the square rod away from the truncated cone roller. A support seat is movably penetrated through the top of the square plate, and the bottom of the support seat is fixedly connected to the top of the mounting plate. A circular hole is provided on the side of the support seat close to the truncated cone roller, and a ball head hole is provided inside the truncated cone roller, which is connected to the circular hole. A brake ring is fixed on the inner wall of the circular hole, and the ball head pin 2 is located in the ball head hole. The brake ring is movably sleeved on the surface of the ball head pin 2. A spring is sleeved on the surface of the displacement sensor, and the top of the spring is fixed to the bottom of the square plate. A display screen is fixed on the top of the circular plate, and the display screen is used to display the value detected by the displacement sensor. The truncated cone roller is set to be tilted.

[0009] Preferably, a slot filling assembly is provided on the circular plate, the slot filling assembly includes a slide groove 1 opened on the inner wall of the circular ring, the inner wall of the slide groove 1 is slidably connected with a slider 1, the inner wall of the slider 1 is fixed with an outer ring, a slide groove 2 is opened on the circumferential surface of the circular plate, the inner wall of the slide groove 2 is slidably connected with a slider 2, the outer wall of the slider 2 is fixed with an inner ring, a square bar is fixed between the outer ring and the inner ring, and the square bar is located in the groove of the friction plate.

[0010] Preferably, limiting blocks adapted to the back plate are fixed to the tops of the inner ring and the outer ring.

[0011] Preferably, the tops of the inner ring and the outer ring are both provided with guide surfaces.

[0012] Preferably, a pressure plate 2 is fixed on the top of the circular plate, and a limiting groove 2 is provided at the bottom of the pressure plate 2; a pressure plate 1 is fixed on the top of the circular ring, and a limiting groove 1 is provided at the bottom of the pressure plate 1; after the back plate is located in the limiting groove 1 and the limiting groove 2, the back plate can be limited by the limiting groove 1 and the limiting groove 2 to prevent the back plate from bouncing upward.

[0013] Preferably, the surface of the round rod portion of the ball stud second is provided with anti-slip stripes.

[0014] Preferably, the axial axes of the ball stud one and the ball stud two coincide with the central axis of the frustum roller.

[0015] Preferably, the surface of the truncated cone roller is provided with a frosted surface.

[0016] A high-precision detection method for brake pad manufacturing, using the above-mentioned high-precision detection device for brake pad manufacturing, comprising:

[0017] S1: Place the friction plate on the back plate in the limit blocks on the top of the inner ring and the outer ring. At this time, the square bar is stuck in the groove. Press your finger on the back plate and rotate the back plate. The back plate rotates along the gap between the circular plate and the circular ring. The back plate will rotate into the limit groove 1 and limit groove 2 of the pressing plate 1 and the pressing plate 2. The back plate is limited by the pressing plate 1 and the pressing plate 2.

[0018] S2: When the friction plate contacts the truncated cone roller, if the thickness of the friction plate is the same as the standard value, the truncated cone roller will not move up and down, and the value detected by the displacement sensor will be displayed on the display screen;

[0019] When the thickness of the friction plate at the detection position is less than the standard value and exceeds the error range, the friction plate will leave a mark on the friction plate after it moves on the marking plate 2, which is convenient for subsequent viewing, and the value of the friction plate is also displayed on the display screen;

[0020] When the thickness of the friction plate at the detection position is greater than the standard value and exceeds the error range, the friction plate will leave another mark on the friction plate after it moves on the marking plate 1, which is convenient for subsequent viewing, and the value of the friction plate is also displayed on the display screen;

[0021] S3: After the friction plate has passed through multiple sets of detection components, the friction plate is rotated to the initial position and the friction plate can be taken out.

[0022] Compared with the prior art, the present invention has at least the following beneficial effects:

[0023] In the above scheme, by setting up a detection component, when the friction plate rotates one circle on the top of the circular plate and the ring, the friction plate can be fully detected through the displacement sensor, and the detected value is directly displayed on the display screen. The position where the thickness of the friction plate exceeds the standard value will be marked by marking plate 1 and marking plate 2, thereby improving the convenience of friction plate detection. After the detection, the position where the friction plate does not meet the standard can be intuitively observed.

[0024] By setting up the groove filling component, the square bar fills the groove, making the round cone roller roll more stably at the bottom of the friction plate, avoiding large vibration of the displacement sensor and further improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0026] Figure 1This is a schematic diagram of the overall three-dimensional structure of a high-precision testing device for brake pad manufacturing;

[0027] Figure 2 This is a schematic diagram of the three-dimensional structure of the friction pad of a high-precision detection device used in brake pad manufacturing;

[0028] Figure 3 This is a cross-sectional view of the fixing seat of the high-precision testing device used in the manufacture of brake pads;

[0029] Figure 4 This is a schematic diagram of the three-dimensional structure of the bottom of the circular plate of a high-precision detection device for brake pad manufacturing;

[0030] Figure 5 This is a cross-sectional view of the circular plate of a high-precision testing device for brake pad manufacturing;

[0031] Figure 6 High-precision testing equipment for brake pad manufacturing Figure 5 A magnified view of the structure at center;

[0032] Figure 7 A schematic diagram of the three-dimensional structure of the high-precision testing device for brake pad manufacturing;

[0033] Figure 8 This is a cross-sectional view of the square plate of a high-precision testing device for brake pad manufacturing;

[0034] Fig. 9 These are two cross-sectional views of the ball stud of a high-precision testing device used in brake pad manufacturing.

[0035] [Reference Signs]

[0036] 1. Back plate; 2. Friction plate; 3. Groove; 4. Fixed seat; 5. Round pad; 6. Round ring; 7. Cylinder; 8. Round plate; 9. Press plate 1; 10. Press plate 2; 11. Slot filling assembly; 12. Slide groove 1; 13. Slider 1; 14. Outer ring; 15. Slide groove 2; 16. Slider 2; 17. Inner ring; 18. Square bar; 19. Detection assembly; 20. Mounting plate; 21. Displacement sensor; 22. Spring; 23. Square plate; 24. Ball head seat; 25. Ball head pin 1; 26. Support seat; 27. Round hole; 28. Ball head hole; 29. ​​Ball head pin 2; 30. Brake ring; 31. Round table roller; 32. Marking plate 1; 33. Marking plate 2; 34. Inner square cavity; 35. Square hole; 36. Limit plate; 37. Square rod; 38. Display screen.

[0037] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0038] The following is a detailed description of a high-precision detection device and detection method for brake pad manufacturing provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0039] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0040] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0041] like Figure 1-Figure 9 As shown, the embodiment of the present invention provides a high-precision detection device and detection method for brake pad manufacturing, including a fixing seat 4, a circular ring 6 is fixed on the top of the fixing seat 4, a cylinder 7 is vertically fixed on the bottom of the inner wall of the fixing seat 4, the cylinder 7 is used to support a circular plate 8, a circular plate 8 is fixed on the top of the cylinder 7, the top of the circular plate 8 is aligned with the top of the circular ring 6, a back plate 1 is placed on the top of the circular plate 8 and the circular ring 6, a friction plate 2 is located between the circular plate 8 and the circular ring 6, a circular pad 5 is fixed on the bottom of the fixing seat 4, the circular pad 5 is made of rubber material, and is used to increase the friction between the circular pad 5 and the contact surface, so as to prevent the fixing seat 4 from rotating during the rotation of the friction plate 2, so that the whole is more stable during use;

[0042] The detection components 19 are multiple groups, and the multiple groups of detection components 19 are all arranged in the fixed seat 4. The multiple groups of detection components 19 are respectively used to detect the thickness of the arc areas of the friction plate 2 that are concentric and have different diameter positions. The detection components 19 are also used to mark the positions of the friction plate 2 that exceed the thickness error range.

[0043] like Figure 1 , Figure 3 , Figure 5-Figure 9 As shown, in this embodiment, the detection assembly 19 includes a mounting plate 20, the mounting plate 20 is fixed to the bottom of the inner wall of the fixing seat 4, a displacement sensor 21 is fixed on the top of the mounting plate 20, a square plate 23 is fixed on the top of the displacement sensor 21, a truncated cone roller 31 is arranged above the square plate 23, a marking plate 23 is fixed to the smaller diameter end of the truncated cone roller 31, a marking plate 1 32 is fixed to the larger diameter end of the truncated cone roller 31, a ball pin 1 25 is fixed to the end of the marking plate 23 away from the truncated cone roller 31, and a ball seat is movably connected to the surface of the ball pin 1 25 24, the ball head seat 24 is fixed on the top of the square plate 23, the inner wall of the truncated cone roller 31 is provided with an inner square cavity 34, the larger diameter end of the truncated cone roller 31 and the surface of the marking plate 1 32 are provided with a square hole 35, the square hole 35 is connected with the inner square cavity 34, the marking plate 1 32 and the marking plate 2 33 have different colors, and the colors of the markings are different, which is convenient for subsequent observation, the inner wall of the square hole 35 is slidably connected with a square rod 37, the end of the square rod 37 is fixed with a limit plate 36, the limit plate 36 is located in the inner square cavity 34, and the end of the square rod 37 away from the truncated cone roller 31 is fixed There is a ball pin 29, a support seat 26 is movably penetrated at the top of the square plate 23, the bottom of the support seat 26 is fixedly connected to the top of the mounting plate 20, a round hole 27 is opened on the side of the support seat 26 close to the truncated cone roller 31, a ball hole 28 is opened inside the truncated cone roller 31, the ball hole 28 is connected to the round hole 27, a brake ring 30 is fixed on the inner wall of the round hole 27, the ball pin 29 is located in the ball hole 28, the brake ring 30 is movably sleeved on the surface of the ball pin 29, the surface of the displacement sensor 21 is sleeved with a spring 22, and the top of the spring 22 is fixed A display screen 38 is fixed at the bottom of the square plate 23 and the top of the circular plate 8. The display screen 38 is used to display the value detected by the displacement sensor 21. The truncated cone roller 31 is tilted. The truncated cone roller 31 is set in a truncated cone shape and tilted so that the truncated cone roller 31 rotates on the friction plate 2 at the same speed, and the truncated cone roller 31 is more stable. The displacement sensor 21 detects the change in the displacement of the truncated cone roller 31 and sends a signal to the information processing unit. The information processing unit sends a signal to the display screen 38, and the value is displayed on the display screen 38.

[0044] like Figure 1 , Figure 3 , Figure 4 and Figure 6As shown, in this embodiment, a slot filling component 11 is provided on the circular plate 8, and the slot filling component 11 includes a slide groove 12 opened on the inner wall of the circular ring 6, and the inner wall of the slide groove 12 is slidably connected with a slider 13, and the inner wall of the slider 13 is fixed with an outer ring 14. A slide groove 2 15 is opened on the circumferential surface of the circular plate 8, and the inner wall of the slide groove 2 15 is slidably connected with a slider 2 16, and the outer wall of the slider 2 16 is fixed with an inner ring 17, and a square bar 18 is fixed between the outer ring 14 and the inner ring 17, and the square bar 18 is located in the groove 3 of the friction plate 2. The square bar 18 is filled in the inside of the groove 3 to make the bottom of the friction plate 2 tend to be flat, and when the frustum roller 31 rotates at the bottom of the friction plate 2, the frustum roller 31 jumps due to the groove 3, so that the frustum roller 31 is more stable during the rotation process, avoiding drastic fluctuations in the detected values, and further improving the accuracy of the detection.

[0045] like Figure 1 As shown, in this embodiment, the tops of the inner ring 17 and the outer ring 14 are fixed with limit blocks that are compatible with the back plate 1, and the back plate 1 is limited by the limit blocks. After the back plate 1 is located inside the limit blocks, the square bar 18 is just located in the groove 3, which makes it easier to align the groove 3 with the square bar 18, and the top of the limit block is provided with a chamfer to facilitate the guidance of the back plate 1, so that the back plate 1 can enter between the limit blocks more easily.

[0046] like Figure 3 As shown, in this embodiment, guide surfaces are provided on the tops of the inner ring 17 and the outer ring 14, and the guide surfaces can guide the friction plate 2 so that the friction plate 2 can smoothly enter between the inner ring 17 and the outer ring 14, thereby shortening the time spent on insertion.

[0047] like Figure 3 and Figure 6 As shown, in the present embodiment, a pressure plate 2 10 is fixed on the top of the circular plate 8, and a limiting groove 2 is provided at the bottom of the pressure plate 2 10; a pressure plate 1 9 is fixed on the top of the circular ring 6, and a limiting groove 1 is provided at the bottom of the pressure plate 1 9; after the back plate 1 is located in the limiting groove 1 and the limiting groove 2, the back plate 1 can be limited by the limiting groove 1 and the limiting groove 2 to prevent the back plate 1 from bouncing upward; in the initial state, if the back plate 1 cannot enter the limiting groove 1 and the limiting groove 2, it means that the thickness of the back plate 1 does not meet the standard surface, and there is no need to perform subsequent measurement of the friction plate 2; if the back plate 1 just enters the limiting groove 1 and the limiting groove 2, it means that the thickness of the back plate 1 is at the standard value, and the back plate 1 is limited by the pressure plates 1 9 and the pressure plates 2 10, so that the back plate 1 does not need to be pressed all the time when the bottom of the pressure plates 1 9 and the pressure plates 2 10 rotates, and only the back plate 1 needs to be rotated, thereby improving the convenience in operation.

[0048] like Figure 8 and Fig. 9As shown, in this embodiment, the surface of the round rod portion of the ball pin 29 is provided with anti-slip stripes, which increase the friction between the round rod portion of the ball pin 29 and the brake ring 30, making the brake ring 30 more stable when locking the ball pin 29, wherein the brake ring 30 is made of rubber material, and the surface of the brake ring 30 is also provided with anti-slip stripes.

[0049] like Figure 8 As shown, in this embodiment, the axial axes of the ball pin 1 25 and the ball pin 2 29 coincide with the central axis of the truncated cone roller 31, so that the truncated cone roller 31 is more stable during rotation.

[0050] like Figure 7 and Figure 8 As shown, in this embodiment, the surface of the truncated cone roller 31 is provided with a frosted surface to increase the friction between the truncated cone roller 31 and the friction plate 2 and avoid sliding between the truncated cone roller 31 and the friction plate 2.

[0051] A high-precision detection method for brake pad manufacturing, using the above-mentioned high-precision detection device for brake pad manufacturing, comprising:

[0052] S1: Place the friction plate 2 on the back plate 1 in the limit blocks at the top of the inner ring 17 and the outer ring 14. At this time, the square bar 18 is stuck in the groove 3. Press your finger on the back plate 1 and rotate the back plate 1. The back plate 1 rotates along the gap between the circular plate 8 and the circular ring 6. The back plate 1 will rotate into the limit groove 1 and the limit groove 2 of the pressing plate 1 9 and the pressing plate 2 10. The back plate 1 is limited by the pressing plate 1 9 and the pressing plate 2 10.

[0053] S2: After the friction plate 2 contacts the truncated cone roller 31, if the thickness of the friction plate 2 is the same as the standard value, the truncated cone roller 31 will not move up and down, and the value detected by the displacement sensor 21 will be displayed on the display screen 38;

[0054] When the thickness of the friction plate 2 at the detection position is less than the standard value and exceeds the error range, after the friction plate 2 moves on the marking plate 2 33, a mark will be left on the friction plate 2 for easy subsequent viewing, and the value of the friction plate 2 is also displayed on the display screen 38;

[0055] When the thickness of the friction plate 2 at the detection position is greater than the standard value and exceeds the error range, after the friction plate 2 moves on the marking plate 1 32, another mark will be left on the friction plate 2 for easy subsequent viewing, and the value of the friction plate 2 is also displayed on the display screen 38;

[0056] S3: After the friction plate 2 passes through the multiple groups of detection components 19, the friction plate 2 is rotated to the initial position and the friction plate 2 is taken out.

[0057] Working principle: Place the friction plate 2 on the back plate 1 in the limit blocks at the top of the inner ring 17 and the outer ring 14. At this time, the square bar 18 is stuck in the groove 3. Press your finger on the back plate 1 and rotate the back plate 1. The back plate 1 rotates along the gap between the circular plate 8 and the circular ring 6. The back plate 1 will rotate into the limit groove 1 and the limit groove 2 of the pressing plate 1 9 and the pressing plate 2 10. The back plate 1 is limited by the pressing plate 1 9 and the pressing plate 2 10.

[0058] When the friction plate 2 contacts the truncated cone roller 31, if the thickness of the friction plate 2 is the same as the standard value, the truncated cone roller 31 will not move up and down, and the value detected by the displacement sensor 21 will be displayed on the display screen 38;

[0059] When the thickness of the friction plate 2 at the detection position is less than the standard value and exceeds the error range, the truncated cone roller 31 moves upward along the friction plate 2. During the upward movement of the truncated cone roller 31, the ball pin 1 25 rotates inside the ball seat 24, and the ball pin 29 rotates on the inner wall of the ball hole 28. Since the support seat 26 is fixed to the top of the mounting plate 20, the support seat 26 cannot move up and down, so the ball pin 29 will tilt, and the ball pin drives the square rod 37 and the limit plate 36 to move outward, and the ball pin and the limit plate 36 move outward. The square rod 37 drives the truncated cone roller 31 to tilt, so that the shorter end of the truncated cone roller 31 moves toward the center of the truncated cone roller 31 and tilts upward, so that the second marking plate 33 contacts the friction plate 2. At the same time, the inclined ball pin 29 fits the brake ring 30, and the ball pin 29 and the square rod 37 are locked by the brake ring 30. At this time, after the friction plate 2 moves on the second marking plate 33, a mark will be left on the friction plate 2, which is convenient for subsequent viewing, and the value of the friction plate 2 is also displayed on the display screen 38;

[0060] When the thickness of the friction plate 2 at the detection position is greater than the standard value and exceeds the error range, the truncated cone roller 31 moves downward along the friction plate 2. During the downward movement of the truncated cone roller 31, the ball pin 1 25 rotates inside the ball seat 24, and the ball pin 29 rotates on the inner wall of the ball hole 28. Since the support seat 26 is fixed to the top of the mounting plate 20, the support seat 26 cannot move up and down, so the ball pin 29 will tilt, and the ball pin drives the square rod 37 and the limit plate 36 to move outward, and the ball pin passes through the square rod 37 drives the truncated cone roller 31 to tilt, so that the longer diameter end of the truncated cone roller 31 moves toward the center of the truncated cone roller 31 and tilts upward, so that the marking plate 1 32 contacts the friction plate 2. At the same time, the tilted ball pin 29 fits with the brake ring 30, and the ball pin 29 and the square rod 37 are locked by the brake ring 30. At this time, after the friction plate 2 moves on the marking plate 1 32, another mark will be left on the friction plate 2, which is convenient for subsequent viewing, and the value of the friction plate 2 is also displayed on the display screen 38;

[0061] After the friction plate 2 has passed through the multiple groups of detection components 19 , the friction plate 2 is rotated to the initial position and then taken out.

[0062] The present invention encompasses any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details.

[0063] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A high-precision detection device for brake pad manufacturing, characterized in that: include: A fixed seat (4), wherein a circular ring (6) is fixed on the top of the fixed seat (4), a cylinder (7) is vertically fixed on the bottom of the inner wall of the fixed seat (4), a circular plate (8) is fixed on the top of the cylinder (7), the top of the circular plate (8) is aligned with the top of the circular ring (6), the back plate (1) is placed on the top of the circular plate (8) and the circular ring (6), the friction plate (2) is located between the circular plate (8) and the circular ring (6), and a circular pad (5) is fixed on the bottom of the fixed seat (4); The detection components (19) are multiple groups, each of the detection components (19) comprises a mounting plate (20), the mounting plate (20) is fixed to the bottom of the inner wall of the fixing seat (4), a displacement sensor (21) is fixed to the top of the mounting plate (20), a square plate (23) is fixed to the top of the displacement sensor (21), a truncated cone roller (31) is arranged above the square plate (23), a marking plate 2 (33) is fixed to the end with a smaller diameter of the truncated cone roller (31), a marking plate 1 (32) is fixed to the end with a larger diameter of the truncated cone roller (31), and an end of the marking plate 2 (33) away from the truncated cone roller (31) is fixed to the end with a smaller diameter of the truncated cone roller (31). A ball pin (25) is fixedly provided, and a ball seat (24) is movably connected to the surface of the ball pin (25). The ball seat (24) is fixed to the top of the square plate (23). An inner square cavity (34) is provided on the inner wall of the truncated cone roller (31). A square hole (35) is provided on the surface of the larger diameter end of the truncated cone roller (31) and the marking plate (32). The square hole (35) is connected to the inner square cavity (34). A square rod (37) is slidably connected to the inner wall of the square hole (35). A limit plate (36) is fixed to the end of the square rod (37). The limit plate (36) is located in the inner square cavity (34). The square rod (37) is away from the truncated cone roller. A ball pin 2 (29) is fixed at one end of the square plate (23), a support seat (26) is movably penetrated through the top of the square plate (23), the bottom of the support seat (26) is fixedly connected to the top of the mounting plate (20), a round hole (27) is opened on the side of the support seat (26) close to the truncated cone roller (31), a ball head hole (28) is opened inside the truncated cone roller (31), the ball head hole (28) is connected to the round hole (27), a brake ring (30) is fixed on the inner wall of the round hole (27), the ball pin 2 (29) is located in the ball head hole (28), and the brake ring (30) is movably sleeved on the surface of the ball pin 2 (29), and the position A spring (22) is sleeved on the surface of the displacement sensor (21), the top of the spring (22) is fixed to the bottom of the square plate (23), a display screen (38) is fixed to the top of the circular plate (8), the display screen (38) is used to display the value detected by the displacement sensor (21), the truncated roller (31) is tilted, and multiple detection components (19) are arranged in the fixed seat (4), the multiple detection components (19) are respectively used to detect the thickness of the arc-shaped areas of the friction plate (2) at concentric and different diameter positions, and the detection components (19) are also used to mark the position of the friction plate (2) that exceeds the thickness error range.

2. The high-precision inspection device for brake pad manufacturing according to claim 1, characterized in that: The circular plate (8) is provided with a slot filling assembly (11), which comprises a first slide groove (12) formed on the inner wall of the circular ring (6), a first slider (13) being slidably connected to the inner wall of the first slide groove (12), an outer ring (14) being fixed to the inner wall of the first slider (13), a second slide groove (15) being formed on the circumferential surface of the circular plate (8), a second slider (16) being slidably connected to the inner wall of the second slide groove (15), an inner ring (17) being fixed to the outer wall of the second slider (16), a square bar (18) being fixed between the outer ring (14) and the inner ring (17), the square bar (18) being located in the groove (3) of the friction plate (2).

3. The high-precision inspection device for brake pad manufacturing according to claim 2, characterized in that: Limit blocks matching the back plate (1) are fixed on the tops of the inner ring (17) and the outer ring (14).

4. The high-precision inspection device for brake pad manufacturing according to claim 2, characterized in that: The inner ring (17) and the outer ring (14) are both provided with guide surfaces at the top.

5. The high-precision inspection device for brake pad manufacturing according to claim 1, characterized in that: A second pressing plate (10) is fixed on the top of the circular plate (8), and a second limiting groove is provided at the bottom of the second pressing plate (10). A first pressing plate (9) is fixed on the top of the circular ring (6), and a first limiting groove is provided at the bottom of the first pressing plate (9). After the back plate (1) is located in the first limiting groove and the second limiting groove, the back plate (1) can be limited by the first limiting groove and the second limiting groove to prevent the back plate (1) from bouncing upward.

6. The high-precision inspection device for brake pad manufacturing according to claim 1, characterized in that: The surface of the round rod portion of the second ball stud pin (29) is provided with anti-slip stripes.

7. The high-precision inspection device for brake pad manufacturing according to claim 1, characterized in that: The axial axes of the ball pin one (25) and the ball pin two (29) coincide with the central axis of the truncated cone roller (31).

8. The high-precision inspection device for brake pad manufacturing according to claim 1, characterized in that: The surface of the truncated cone roller (31) is provided with a frosted surface.

9. A high-precision detection method for brake pad manufacturing, using a high-precision detection device for brake pad manufacturing according to any one of claims 1 to 8, characterized in that: include: S1: Place the friction plate (2) on the back plate (1) in the limit blocks at the top of the inner ring (17) and the outer ring (14). At this time, the square bar (18) is stuck in the groove (3). Press the finger on the back plate (1) and rotate the back plate (1). The back plate (1) rotates along the gap between the circular plate (8) and the circular ring (6). The back plate (1) rotates into the limit groove 1 and the limit groove 2 of the pressure plate 1 (9) and the pressure plate 2 (10). The back plate (1) is limited by the pressure plate 1 (9) and the pressure plate 2 (10); S2: When the friction plate (2) contacts the truncated cone roller (31), if the thickness of the friction plate (2) is the same as the standard value, the truncated cone roller (31) will not move up and down, and the value detected by the displacement sensor (21) will be displayed on the display screen (38); When the thickness of the friction plate (2) at the detection position is less than the standard value and exceeds the error range, the friction plate (2) moves on the second marking plate (33), leaving a mark on the friction plate (2) for easy subsequent inspection, and the value of the friction plate (2) is also displayed on the display screen (38); When the thickness of the friction plate (2) at the detection position is greater than the standard value and exceeds the error range, after the friction plate (2) moves on the marking plate (32), another mark will be left on the friction plate (2) to facilitate subsequent inspection, and the value of the friction plate (2) is also displayed on the display screen (38); S3: After the friction plate (2) has passed through the plurality of detection components (19), the friction plate (2) is rotated to an initial position and the friction plate (2) is removed.

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