Brake pad steel backing flatness automatic detection equipment

Abstract

The utility model relates to the technical field of brake pad detection, in particular to brake pad steel backing flatness automatic detection equipment which comprises a base and a top plate, the base is fixedly connected with the top plate through a supporting column, a support is fixedly connected below the top plate, and a rotating mechanism is arranged in the support. The upper portion of the top plate is rotationally connected with a disc through a bearing, and a positioning mechanism is arranged above the disc. The motor drives the lead screw to rotate, the lead screw drives the lead screw nut to move, the lead screw nut drives the cylinder to move, the guide block and the guide rod play a role in guiding movement of the cylinder, the cylinder drives the driving block to move, the driving block drives the cylinder to rotate, the cylinder drives the disc to rotate, and then the brake pad steel backing is driven to rotate. When the brake pad steel backing is detected, the detected brake pad steel backing is rotated to one side, the non-detected brake pad steel backing is rotated to the position below the detection mechanism, the waiting time is short, and the detection efficiency is high when the brake pad steel backing is detected.

Description

Technical Field

[0001] The utility model relates to the technical field of brake pad detection, in particular to automatic detection equipment for the flatness of the steel back of a brake pad. Background Art

[0002] Brake pad steel backing plate is one of the key parts of a car and an extremely important safety part in the car's braking system.

[0003] For example, patent number CN106767565A is an automatic detection device and method for the flatness of the steel back of a brake pad. A guide rail and a conveying module are installed on the frame. A reference stage is installed on the conveying module. The reference stage on the conveying module is driven by a motor to move horizontally. The camera and the laser are installed on the slider of the guide rail. The camera lens is vertically downward and located directly above the middle of the horizontal moving area of ​​the reference stage. The above document still has shortcomings. When in use, the motor drives the brake pad steel back to be tested on the reference stage of the conveying module to move horizontally at a uniform speed, and the laser emits a striped laser. The striped laser follows the movement of the workpiece on the surface The surface moves from one end to the other, and the camera collects multiple frames of images during the movement at intervals. The multiple frames of images are processed to obtain the flatness detection result of the brake pad steel back. However, when detecting the brake pad steel back, the brake pad steel backs need to be put in one by one for detection. After the detection is completed, the brake pad steel backs that have not been detected need to be removed, and the waiting time is long. The detection efficiency when detecting the brake pad steel back is low. At the same time, the position of the brake pad steel back is prone to move during the detection process, which will affect the detection effect of the brake pad steel back during the detection. It is not convenient to position the brake pad steel back during the detection. Utility Model Content

[0004] The utility model aims to solve the problem of low detection efficiency when detecting the steel back of a brake pad, and proposes an automatic detection device for the flatness of the steel back of a brake pad.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An automatic detection device for the flatness of the steel back of a brake pad is designed, comprising a base and a top plate, the base is fixedly connected to the top plate by a pillar, a bracket is fixedly connected to the bottom of the top plate, a rotating mechanism is arranged inside the bracket, a disc is rotatably connected to the top of the top plate by a bearing, a positioning mechanism is arranged above the disc, two placement seats are fixedly connected to the upper surface of the disc, and the steel back of the brake pad is placed above the placement seat.

[0007] Preferably, the rotating mechanism includes a motor, the motor is fixedly connected to the upper surface of the bracket, the output shaft of the motor is fixedly connected to a screw, the outer walls of both ends of the screw are rotatably connected to the bracket through bearings, the outer wall of the screw is threadedly connected with a screw nut, the screw nut is fixedly connected to the outer wall of the cylinder, the inner wall of the cylinder is fixedly connected with a driving block, the outer wall of the driving block is slidably connected to a slide groove provided in the cylinder, the upper end of the cylinder is fixedly connected to the disc, the outer wall of the cylinder is fixedly connected with a guide block, the guide block is slidably connected to the outer wall of the guide rod, and the upper end of the guide rod is fixedly connected to the top plate.

[0008] Preferably, the positioning mechanism includes an electric push rod, which is rotatably connected to the disc via a pin shaft, the output end of the electric push rod is rotatably connected to a slider via a pin shaft, the slider is slidably connected to the outer wall of the support rod, the lower end of the support rod is rotatably connected to the disc via a pin shaft, the outer wall of the support rod is sleeved with a spring, the two ends of the spring are respectively fixedly connected to the support rod and the slider, the surface of the slider is rotatably connected to a connecting rod via a pin shaft, the end of the connecting rod is rotatably connected to a pressure rod via a pin shaft, and the pressure rod is rotatably connected to the upper end of the support rod via a pin shaft.

[0009] Preferably, a frame is fixedly connected to the upper surface of the top plate, and the frame is rotatably connected to the outer walls at both ends of the screw rod through bearings.

[0010] Preferably, a handle is fixedly connected to the end of the screw rod, and a threaded block is threadedly connected to the outer wall of the screw rod.

[0011] Preferably, a detection mechanism is fixedly connected below the threaded block.

[0012] The utility model proposes an automatic detection device for the flatness of the steel back of a brake pad, and its beneficial effects are: through the cooperation among the motor, the lead screw, the lead screw nut, the cylinder, the drive block, the column, the guide block and the guide rod, the motor drives the lead screw to rotate, the lead screw drives the lead screw nut to move, the lead screw nut drives the cylinder to move, the guide block and the guide rod guide the movement of the cylinder, the cylinder drives the drive block to move, the drive block drives the cylinder to rotate, the cylinder drives the disc to rotate, and then drives the brake pad steel back to rotate, the brake pad steel back that has been detected is rotated to one side, and the brake pad steel back that has not been detected is rotated to the bottom of the detection mechanism, the waiting time is short, and the detection efficiency is high when detecting the brake pad steel back.

[0013] Through the cooperation between the electric push rod, slider, support rod, spring, connecting rod and pressure rod, the electric push rod drives the slider to slide, the slider drives the connecting rod to move, the connecting rod drives the pressure rod to move, the support rod supports the pressure rod, and the two pressure rods contact the steel back of the brake pad to position the steel back of the brake pad, which is convenient for positioning the steel back of the brake pad during testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a structural sectional view of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the connection between the motor, the lead screw and the cylinder in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection between the electric push rod, the slider and the support rod in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection between the disc and the steel back of the brake pad in the utility model.

[0019] In the figure: 1, base, 2, top plate, 3, rotating mechanism, 301, motor, 302, lead screw, 303, lead screw nut, 304, cylinder, 305, drive block, 306, cylinder, 307, guide block, 308, guide rod, 3a1, pin rod, 4, positioning mechanism, 401, electric push rod, 402, slider, 403, support rod, 404, spring, 405, connecting rod, 406, pressure rod, 5, bracket, 6, disc, 7, placement seat, 8, brake pad steel back, 9, frame, 10, screw, 11, handle, 12, threaded block, 13, detection mechanism. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] Example 1: Refer to the attached Figure 1-5 In the present embodiment, an automatic detection device for the flatness of the steel back of a brake pad comprises a base 1 and a top plate 2. The base 1 is fixedly connected to the top plate 2 through a support. A bracket 5 is fixedly connected to the bottom of the top plate 2. A rotating mechanism 3 is arranged inside the bracket 5. The rotating mechanism 3 controls the rotation of the steel back 8 of the brake pad. A disc 6 is rotatably connected to the top of the top plate 2 through a bearing. A positioning mechanism 4 is arranged above the disc 6. The positioning mechanism 4 positions the steel back 8 of the brake pad. Two placement seats 7 are fixedly connected to the upper surface of the disc 6. The steel back 8 of the brake pad is placed above the placement seat 7. The upper surface of the top plate 2 is fixedly connected to There is a frame 9, and the outer walls of the frame 9 and both ends of the screw 10 are rotatably connected through bearings. A handle 11 is fixedly connected to the end of the screw 10, and the handle 11 drives the screw 10 to rotate. The outer wall of the screw 10 is threadedly connected with a thread block 12, and the screw 10 drives the thread block 12 to move. A detection mechanism 13 is fixedly connected below the thread block 12, and the thread block 12 drives the detection mechanism 13 to move. The detection mechanism 13 is composed of a camera and a laser, and its working principle is the same as that of an automatic detection device and detection method for the flatness of a brake pad steel back plate with patent number CN106767565A.

[0022] The rotating mechanism 3 includes a motor 301, a lead screw 302, a lead screw nut 303, a cylinder 304, a driving block 305, a cylinder 306, a guide block 307 and a guide rod 308. The motor 301 is fixedly connected to the upper surface of the bracket 5. The output shaft of the motor 301 is fixedly connected to the lead screw 302. The outer walls of both ends of the lead screw 302 are rotatably connected to the bracket 5 through bearings. The outer wall of the lead screw 302 is threadedly connected with the lead screw nut 303. The lead screw 302 drives the lead screw nut 303 to move. The lead screw nut 303 is fixedly connected to the outer wall of the cylinder 304. The lead screw nut 303 drives the cylinder 304 to move. A driving block 305 is fixedly connected to the inner wall, and the cylinder 304 drives the driving block 305 to move. The outer wall of the driving block 305 is slidably connected to the slide groove set in the cylinder 306. The driving block 305 drives the cylinder 306 to rotate. The cylinder 306 rotates 180 degrees each time. The upper end of the cylinder 306 is fixedly connected to the disk 6. The cylinder 306 drives the disk 6 to rotate. A guide block 307 is fixedly connected to the outer wall of the cylinder 304. The guide block 307 is slidably connected to the outer wall of the guide rod 308. The guide block 307 and the guide rod 308 guide the movement of the cylinder 304. The upper end of the guide rod 308 is fixedly connected to the top plate 2.

[0023] The motor 301 drives the lead screw 302 to rotate, the lead screw 302 drives the lead screw nut 303 to move, the lead screw nut 303 drives the cylinder 304 to move, the guide block 307 and the guide rod 308 guide the movement of the cylinder 304, the cylinder 304 drives the driving block 305 to move, the driving block 305 drives the cylinder 306 to rotate, the cylinder 306 drives the disc 7 to rotate, and then drives the brake pad steel back 8 to rotate, the brake pad steel back 8 that has been inspected is rotated to one side, and the brake pad steel back 8 that has not been inspected is rotated to the bottom of the inspection mechanism 13, the waiting time is short, and the inspection efficiency when inspecting the brake pad steel back 8 is high.

[0024] The positioning mechanism 4 includes an electric push rod 401, a slider 402, a support rod 403, a spring 404, a connecting rod 405 and a pressure rod 406. The electric push rod 401 is rotatably connected to the disc 6 through a pin shaft. The output end of the electric push rod 401 is rotatably connected to the slider 402 through a pin shaft. The electric push rod 401 drives the slider 402 to slide. The slider 402 is slidably connected to the outer wall of the support rod 403. The slider 402 slides on the outer wall of the support rod 403. The lower end of the support rod 403 is rotatably connected to the disc 6 through a pin shaft. The outer wall of the support rod 403 is sleeved with a spring 404. The model of the spring 404 is based on The selection is made according to the actual use requirements, and the working requirements can be met. The two ends of the spring 404 are fixedly connected to the support rod 403 and the slider 402 respectively. The elastic 404 prevents the slider 402 from being stuck under the elastic action. The surface of the slider 402 is rotatably connected to the connecting rod 405 through a pin shaft. The slider 402 drives the connecting rod 405 to move. The end of the connecting rod 405 is rotatably connected to the pressure rod 406 through a pin shaft. The connecting rod 405 drives the pressure rod 406 to move. The pressure rod 406 is rotatably connected to the upper end of the support rod 403 through a pin shaft, and the support rod 403 supports the pressure rod 406.

[0025] The electric push rod 401 drives the slider 402 to slide, the slider 402 drives the connecting rod 405 to move, the connecting rod 405 drives the pressure rod 406 to move, the support rod 403 supports the pressure rod 406, and the two pressure rods 406 are in contact with the brake pad steel back 8 to position the brake pad steel back 8, which is convenient for positioning the brake pad steel back 8 during testing.

[0026] Working principle:

[0027] When the brake pad steel back flatness automatic detection device is in use, the brake pad steel back 8 is placed on the upper surface of the placement seat 7, and the electric push rod 401 is started. The electric push rod 401 drives the slider 402 to slide, and the slider 402 drives the connecting rod 405 to move. The connecting rod 405 drives the pressure rod 406 to move. The support rod 403 supports the pressure rod 406. The two pressure rods 406 are in contact with the brake pad steel back 8 to position the brake pad steel back 8. When performing the detection, it is convenient to position the brake pad steel back 8. Turn the handle 11, the handle 11 drives the screw 10 to rotate, the screw 10 drives the threaded block 12 to move, and the threaded block 12 drives the detection mechanism 13 to move. The detection mechanism 13 is above the brake pad steel back 8. The flatness of the brake pad steel back 8 is automatically detected, and the motor 301 is started. The motor 301 drives the screw 302 to rotate, the screw 302 drives the screw nut 303 to move, the screw nut 303 drives the cylinder 304 to move, the guide block 307 and the guide rod 308 guide the movement of the cylinder 304, the cylinder 304 drives the driving block 305 to move, the driving block 305 drives the cylinder 306 to rotate, the cylinder 306 drives the disc 7 to rotate, and then drives the brake pad steel back 8 to rotate, the brake pad steel back 8 that has been detected is rotated to one side, and the brake pad steel back 8 that has not been detected is rotated to the bottom of the detection mechanism 13, the waiting time is short, and the detection efficiency when the brake pad steel back 8 is detected is high.

[0028] Example 2: Refer to the attached Figure 1-5 : In this embodiment, an automatic detection device for the flatness of the back of a brake pad steel, the rotating mechanism 3 also includes a pin rod 3a1, the pin rod 3a1 is fixedly connected to the bottom of the disc 6, the disc 6 drives the pin rod 3a1 to move, the end of the pin rod 3a1 is slidably connected to the slide groove provided in the top plate 2, and the pin rod 3a1 slides in the slide groove in the top plate 2;

[0029] Through the action of the pin rod 3a1, the disk 6 drives the pin rod 3a1 to move when rotating, and the pin rod 3a1 slides in the slide groove in the top plate 2, and the pin rod 3a1 plays a role of supporting and guiding the movement of the disk 6.

[0030] Working principle:

[0031] When the disk 6 rotates, the pin rod 3a1 moves. The pin rod 3a1 slides in the slide groove in the top plate 2. The pin rod 3a1 supports and guides the movement of the disk 6.

[0032] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An automatic detection device for the flatness of the back of a brake pad steel, comprising a base (1) and a top plate (2), wherein the base (1) is fixedly connected to the top plate (2) via a support, and characterized in that: A bracket (5) is fixedly connected below the top plate (2), a rotating mechanism (3) is arranged inside the bracket (5), a disc (6) is rotatably connected to the top of the top plate (2) via a bearing, a positioning mechanism (4) is arranged above the disc (6), two placement seats (7) are fixedly connected to the upper surface of the disc (6), and a brake pad steel back (8) is placed above the placement seat (7).

2. The automatic detection device for the flatness of the back of the brake pad according to claim 1, characterized in that: The rotating mechanism (3) comprises a motor (301), the motor (301) being fixedly connected to the upper surface of the bracket (5), the output shaft of the motor (301) being fixedly connected to a lead screw (302), the outer walls of both ends of the lead screw (302) being rotatably connected to the bracket (5) via bearings, the outer wall of the lead screw (302) being threadedly connected to a lead screw nut (303), the lead screw nut (303) being fixedly connected to the outer wall of a cylinder (304), the inner wall of the cylinder (304) being fixedly connected to a drive block (305), the outer wall of the drive block (305) being slidably connected to a slide groove provided in a cylinder (306), the upper end of the cylinder (306) being fixedly connected to a disc (6), the outer wall of the cylinder (304) being fixedly connected to a guide block (307), the guide block (307) being slidably connected to the outer wall of a guide rod (308), and the upper end of the guide rod (308) being fixedly connected to the top plate (2).

3. The automatic detection device for the flatness of the back of the brake pad according to claim 1, characterized in that: The positioning mechanism (4) comprises an electric push rod (401), wherein the electric push rod (401) is rotatably connected to the disk (6) via a pin shaft, an output end of the electric push rod (401) is rotatably connected to a slider (402) via a pin shaft, the slider (402) is slidably connected to the outer wall of a support rod (403), the lower end of the support rod (403) is rotatably connected to the disk (6) via a pin shaft, a spring (404) is sleeved on the outer wall of the support rod (403), the two ends of the spring (404) are respectively fixedly connected to the support rod (403) and the slider (402), the surface of the slider (402) is rotatably connected to a connecting rod (405) via a pin shaft, the end of the connecting rod (405) is rotatably connected to a pressure rod (406) via a pin shaft, and the pressure rod (406) is rotatably connected to the upper end of the support rod (403) via a pin shaft.

4. The automatic detection device for the flatness of the back of the brake pad according to claim 1, characterized in that: A frame (9) is fixedly connected to the upper surface of the top plate (2), and the frame (9) and the outer walls at both ends of the screw rod (10) are rotatably connected via bearings.

5. The automatic detection device for the flatness of the back of the brake pad according to claim 4, characterized in that: A handle (11) is fixedly connected to the end of the screw rod (10), and a threaded block (12) is threadedly connected to the outer wall of the screw rod (10).

6. The automatic detection device for the flatness of the back of the brake pad according to claim 5, characterized in that: A detection mechanism (13) is fixedly connected below the threaded block (12).

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