A thickness detection device for automotive parts

Abstract

This invention discloses a thickness detection device for automotive parts, belonging to the field of automotive parts thickness detection technology. The device includes a housing with two slides fixedly mounted on the inner bottom surface. Each slide has a matching slider slidably connected inside. A rotatable notched gear is positioned between the two slides. Spring shafts are positioned between the two sides of the notched gear and the two sliders, allowing the notched gear to rotatably connect to the two sliders via the spring shafts. A fixing rod is fixedly mounted on the top surface of the notched gear. Compared to traditional detection devices, this thickness detection device for automotive parts uses an infrared rangefinder to detect the thickness of the automotive parts during clamping, eliminating the need for human intervention and ensuring accuracy. It also improves the efficiency of automotive parts detection.

Description

Technical Field

[0001] This invention relates to the field of automotive parts thickness detection technology, and more specifically, to a thickness detection device for automotive parts. Background Technology

[0002] Automotive parts testing equipment inspects the thickness, length, and width of automotive parts to ensure that the parts entering the market are qualified. Factories also need to test the parts during the production process.

[0003] Chinese patent application number CN202320724843.0 discloses an adjustable automotive parts thickness detection device. The adjustable automotive parts thickness detection device includes a base: a vertical plate is fixedly mounted on the top of the base; a horizontal plate is fixedly mounted on the top of the vertical plate; a first motor is fixedly mounted on the top of the horizontal plate; a disc is rotatably mounted on the bottom of the horizontal plate; the output end of the first motor is fixedly connected to the disc; a detection mechanism is provided on the disc; a display is provided on the surface of the vertical plate; and four support legs are fixedly mounted on the top of the base.

[0004] The above technical solution, by changing the measurement position of the infrared rangefinder, facilitates the thickness detection of irregularly shaped automotive parts. The detection results are displayed on the monitor, reducing measurement errors and improving detection accuracy. Traditional thickness detection devices usually require the parts to be fixed before detection, a process that often involves manual intervention, such as rotating screws to fix the parts. This method is not only time-consuming and labor-intensive, but the human factor may also affect the accuracy and efficiency of the detection. In addition, after the detection is completed, manual adjustment is required to release the clamping device, further reducing the efficiency of the detection. Summary of the Invention

[0005] The purpose of this invention is to provide a thickness detection device for automotive parts, in order to solve the problems mentioned in the background art above:

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A thickness detection device for automotive parts includes a housing. Two slides are fixedly mounted on the inner bottom surface of the housing. Each slide has a matching slider slidably connected inside. A rotatable gear is positioned between the two slides. Spring shafts are positioned between the two sides of the gear and the two sliders. The gear is rotatably connected to the two sliders via the spring shafts. A fixing rod is fixedly mounted on the top surface of the gear. A placement platform is fixedly mounted on the top surface of the fixing rod. An automotive part is placed inside the placement platform. A first spring elastically connects the sliders and slides. Two pairs of supports are fixedly mounted on the inner bottom surface of the housing. A fixing block is fixedly mounted on the top surface of any one of the supports. A slidable toothed plate is positioned between the two fixing blocks. A clamping plate for holding the automotive part is fixedly mounted on one end surface of any one of the toothed plates. An infrared rangefinder for detecting the thickness of the automotive part is fixedly mounted on the inner top surface of the housing.

[0008] By adopting the above technical solution, the telescopic device retracts, causing the moving frame to move downwards. Two rotating rings follow the downward movement of the moving frame, causing the spring shaft, gear, two sliders, and pressure rods to move downwards as well. The two pressure rods press against the two inclined rails. At this time, the two sliding blocks move in opposite directions, causing the rack to move. The rack's movement drives the rotating gear to rotate, which in turn causes the two toothed plates to move towards each other, clamping and fixing the car parts in their correct position. An infrared rangefinder then detects the thickness of the car parts. Compared to traditional detection devices, this device detects the thickness of the car parts during clamping, eliminating the need for human intervention and ensuring the accuracy of the detection. It also improves the efficiency of the detection device for car parts.

[0009] Preferably, the surface of the spring shaft is rotatably connected to two rotating rings, which are located on both sides of the missing gear. The surfaces of the two rotating rings are fixedly connected to a movable frame. The inner bottom surface of the outer shell has a through groove corresponding to the position of the movable frame. A base is fixedly installed on the bottom surface of the outer shell. A telescopic device is fixedly installed on the inner bottom surface of the base. The telescopic end of the telescopic device passes through the through groove and is fixedly connected to the bottom surface of the movable frame.

[0010] Preferably, the inner bottom surface of the outer casing has two corresponding sliding grooves, which are located on both sides of the through groove. Each of the two sliding grooves has a matching slide seat slidably connected inside. Each of the two slide seats has a ramp rail fixedly installed on its side surface and a rack fixedly installed on its top surface. The inner side surface of any set of brackets is rotatably connected to a rotating shaft. A rotating gear is coaxially fixedly connected to the surface of the rotating shaft. The rotating gear meshes with the rack and the toothed plate.

[0011] Preferably, each of the fixed blocks has a slot on its inner side, and a matching fixed plate is slidably connected inside each slot. The toothed plate is slidably connected to the fixed block by matching the fixed plate and the slot.

[0012] Preferably, a second spring is elastically connected between the slide block and the slide groove, one end of the second spring is fixedly connected to the surface of the slide block, and the other end of the second spring is fixedly connected to the inner wall of the slide groove.

[0013] Preferably, one end of the first spring is fixedly connected to the bottom surface of the slider, and the other end of the first spring is fixedly connected to the inner bottom surface of the slide.

[0014] Preferably, pressure rods are fixedly installed on the side surfaces of both sliders, and during the downward movement of the two pressure rods, the two pressure rods press against the surfaces of the two inclined rails.

[0015] Preferably, a controller is fixedly installed on the side surface of the housing, the controller is electrically connected to the telescopic device via a wire, a connecting frame is fixedly installed on the side surface of the housing, a display screen is fixedly installed on the surface of the connecting frame, and the display screen is electrically connected to the controller via a wire.

[0016] Preferably, a plate frame is fixedly installed on the side surface of any one of the brackets, wherein a first feeding plate for feeding is fixedly installed between a pair of plate frames, and a second feeding plate for feeding is fixedly installed between another pair of plate frames. Two fixing frames are fixedly installed on the inner bottom surface of the housing, and a first toothed plate and a second toothed plate that match them are slidably connected inside the two fixing frames. The first toothed plate and the second toothed plate match the missing gear.

[0017] By adopting the above technical solution, after the infrared rangefinder detects the thickness of the automotive parts, it transmits the data to the controller. The controller judges whether the automotive parts are qualified. When the thickness of the automotive parts is qualified, the missing gear reset motion meshes with the first missing gear plate. At this time, the missing gear rotates, causing the fixing rod and the placement platform to rotate. The automotive parts slide down into the first unloading plate under their own weight. When the thickness of the automotive parts is unqualified, the electric telescopic rod extends and moves the second missing gear plate towards the missing gear. During the missing gear reset motion, it meshes with the second missing gear plate. The missing gear rotates, causing the fixing rod and the placement platform to rotate. At this time, the unqualified automotive parts slide down onto the surface of the second unloading plate under their own weight. Qualified and defective automotive parts can be separated and collected without the need for subsequent manual intervention, further improving the detection speed of automotive parts.

[0018] Preferably, an electric telescopic rod is fixedly installed on the inner wall of both of the fixed frames, and the telescopic ends of the two electric telescopic rods are fixedly connected to the surfaces of the first toothed plate and the second toothed plate, respectively. The electric telescopic rods are electrically connected to the controller through wires.

[0019] By adopting the above technical solution, and through the coordinated operation of the controller, display screen, telescopic device and electric telescopic rod, the quality of automotive parts inspection by the testing equipment is guaranteed, while the automated inspection of automotive parts is realized, further improving the inspection speed and efficiency of automotive parts.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1) This thickness detection device for automotive parts operates by retracting a telescopic mechanism, which moves a movable frame downwards. Two rotating rings follow the frame downwards, causing the spring shaft, gear, two sliders, and pressure rods to move downwards as well. The pressure rods press against two inclined rails, causing the two slide blocks to move in opposite directions, which in turn moves the rack. The rack's movement drives the rotating gear, resulting in two geared plates moving towards each other, clamping and fixing the automotive parts in place. An infrared rangefinder then detects the thickness of the automotive parts. Compared to traditional detection devices, this device detects the thickness of the automotive parts during clamping, eliminating the need for human intervention and ensuring accuracy. It also improves the efficiency of automotive parts detection.

[0022] 2) When using this thickness detection device for automotive parts, after the infrared rangefinder detects the thickness of the automotive parts, it transmits the data to the controller. The controller judges whether the automotive parts are qualified. When the thickness of the automotive parts is qualified, the missing gear reset motion meshes with the first missing gear plate. At this time, the missing gear rotates, causing the fixing rod and the placement platform to rotate. The automotive parts slide down into the first unloading plate under their own weight. When the thickness of the automotive parts is unqualified, the electric telescopic rod extends and moves the second missing gear plate towards the missing gear. During the reset motion of the missing gear, it meshes with the second missing gear plate. The missing gear rotates, causing the fixing rod and the placement platform to rotate. At this time, the unqualified automotive parts slide down onto the surface of the second unloading plate under their own weight. Qualified and defective automotive parts can be separated and collected without the need for subsequent manual intervention, further improving the detection speed of automotive parts.

[0023] 3) When this thickness detection device for automotive parts is in use, the coordinated operation between the controller, display screen, telescopic device and electric telescopic rod ensures the quality of automotive parts inspection and realizes automated inspection of automotive parts, further improving the inspection speed and efficiency of automotive parts. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram showing the position and structure of the telescopic device and the base of the present invention;

[0026] Figure 3 This is a schematic diagram of the placement platform and the automotive parts location structure of the present invention;

[0027] Figure 4 This is a schematic diagram showing the location and structure of the missing gear, the first missing tooth plate, and the second missing tooth plate of the present invention.

[0028] Figure 5 This is a schematic diagram of the position structure of the carriage and slider of the present invention;

[0029] Figure 6 This is a schematic diagram of the missing gear and fixing rod positions of the present invention;

[0030] Figure 7 This is a schematic diagram of the slotting position structure of the present invention;

[0031] Figure 8 This is a schematic diagram of the carriage and the missing gear position structure of the present invention;

[0032] Figure 9 This is a schematic diagram of the position structure of the slide groove and slide block of the present invention.

[0033] The following are the labels in the diagram: 1. Outer shell; 2. Carriage; 3. Slider; 4. Gear missing; 5. Spring shaft; 6. Fixed rod; 7. Placement platform; 8. Rotary ring; 9. Moving frame; 10. First spring; 11. Bracket; 12. Fixed block; 13. Gear plate; 14. Clamping plate; 15. Infrared rangefinder; 16. Through slot; 17. Telescopic device; 18. Slide groove; 19. Slide seat; 20. Inclined rail; 21. Rack; 22. Rotating shaft; 23. Rotating gear; 24. Slot; 25. Fixed plate; 26. Second spring; 27. Pressure rod; 28. Automotive part; 29. ​​Controller; 30. Display screen; 31. Base; 32. Connecting frame; 33. Plate frame; 34. First cutting plate; 35. Second cutting plate; 36. Fixed frame; 37. First toothed plate; 38. Second toothed plate; 39. Electric telescopic rod. Detailed Implementation

[0034] Example 1: Please refer to Figure 1 - Figure 9A thickness detection device for automotive parts includes a housing 1 to protect the internal detection equipment. Two slides 2 are fixedly mounted on the inner bottom surface of the housing 1. Each slide 2 has a matching slider 3 slidably connected inside. The slider 3 moves smoothly within the slide 2. A rotatable gear 4 is provided between the two slides 2. Spring shafts 5 are provided between the two sides of the gear 4 and the two sliders 3. The spring shafts 5 are conventional spring shafts used to reset the gear 4 after rotation. Gear 4 is rotatably connected to two sliders 3 via spring shaft 5. A fixing rod 6 is fixedly installed on the top surface of gear 4, and a placement platform 7 is fixedly installed on the top surface of fixing rod 6. An automotive part 28 is placed inside the placement platform 7. The automotive part 28 is a conventional, standard-specification automotive accessory in the prior art. A first spring 10 elastically connects slider 3 and slide 2. Two pairs of brackets 11 are correspondingly fixedly installed on the bottom surface of the inner shell 1. A fixing strip 12 is fixedly installed on the top surface of any bracket 11, and a sliding joint is provided between the two fixing strips 12. Each toothed plate 13 has a clamping plate 14 fixedly installed on one end surface for holding the automotive part 28. An infrared rangefinder 15 for detecting the thickness of the automotive part 28 is fixedly installed on the inner top surface of the outer casing 1. The infrared rangefinder 15 is a conventional infrared rangefinder 15 in the prior art. The telescopic device 17 retracts, causing the moving frame 9 to move downwards. The two rotating rings 8 follow the moving frame 9 downwards, causing the spring shaft 5, the missing gear 4, the two sliders 3, and the pressure rod 27 to move downwards. The two pressure rods 27 move downwards, pressing against the two inclined rails 20. At this time... The two sliding blocks 19 move in opposite directions, causing the rack 21 to move. The rack 21 then rotates the gear 23, which in turn causes the two geared plates 13 to move towards each other, clamping and fixing the automotive part 28 with the two clamping plates 14. The infrared rangefinder 15 then detects the thickness of the automotive part 28. Compared to traditional detection devices, this device detects the thickness of the automotive part 28 during clamping, eliminating the need for human intervention and ensuring the accuracy of the detection. It also improves the efficiency of the detection device for the automotive part 28.

[0035] Two rotating rings 8 are rotatably connected to the surface of the spring shaft 5. The two rotating rings 8 are located on both sides of the missing gear 4. The surfaces of the two rotating rings 8 are fixedly connected to the movable frame 9. The bottom surface of the outer shell 1 has a through groove 16 corresponding to the position of the movable frame 9. The bottom surface of the outer shell 1 is fixedly installed with a base 31. The bottom surface of the base 31 is fixedly installed with a telescopic device 17. The telescopic end of the telescopic device 17 passes through the through groove 16 and is fixedly connected to the bottom surface of the movable frame 9. The telescopic device 17 is a conventional electrically controlled push rod in the prior art. The telescopic movement of the telescopic device 17 causes the movable frame 9 to reciprocate, moving the placement platform 7 and the automotive parts 28.

[0036] Two grooves 18 are correspondingly provided on the inner bottom surface of the outer casing 1. The two grooves 18 are located on both sides of the through groove 16. The inner surfaces of the two grooves 18 are slidably connected to the matching slides 19. The side surfaces of the two slides 19 are fixedly mounted with ramp rails 20. The top surfaces of the two slides 19 are fixedly mounted with racks 21. The inner surfaces of any set of brackets 11 are rotatably connected to a rotating shaft 22. The surface of the rotating shaft 22 is coaxially fixedly connected with a rotating gear 23. The rotating gear 23 meshes with the rack 21 and the gear plate 13. When the two pressure rods 27 move downward, they press the two ramp rails 20. At this time, the two slides 19 move in opposite directions, pressing the second spring 26. The rack 21 moves with the slides 19, causing the rotating gear 23 to rotate. This causes the two gear plates 13 to move towards each other, causing the two clamping plates 14 to clamp and fix the car part 28 and position it correctly.

[0037] Each fixed strip 12 has a slot 24 on its inner side, and each slot 24 has a matching fixed plate 25 slidably connected inside it. The toothed plate 13 is slidably connected to the fixed strip 12 through the matching of the fixed plate 25 and the slot 24, so as to ensure the stable movement of the toothed plate 13.

[0038] A second spring 26 is elastically connected between the slide block 19 and the slide groove 18. One end of the second spring 26 is fixedly connected to the surface of the slide block 19, and the other end of the second spring 26 is fixedly connected to the inner wall of the slide groove 18. The second spring 26 is used for the movement reset of the slide block 19.

[0039] One end of the first spring 10 is fixedly connected to the bottom surface of the slider 3, and the other end of the first spring 10 is fixedly connected to the inner bottom surface of the slide 2. The first spring 10 is used for the motion reset of the slider 3.

[0040] Both sliders 3 have pressure rods 27 fixedly installed on their side surfaces. As the two pressure rods 27 move downward, they press against the surfaces of the two ramp rails 20.

[0041] A controller 29 is fixedly installed on the side surface of the housing 1. The controller 29 is a conventional programmable controller 29 in the prior art. The controller 29 is electrically connected to the telescopic device 17 through a wire. A connecting frame 32 is fixedly installed on the side surface of the housing 1. A display screen 30 is fixedly installed on the surface of the connecting frame 32. The display screen 30 is electrically connected to the controller 29 through a wire. The display screen 30 is a conventional display screen 30 in the prior art.

[0042] The usage steps of this invention are as follows: When using this thickness detection device for automotive parts, first, the automotive part 28 to be detected is placed in the placement platform 7. By operating the controller 29, the telescopic device 17 retracts, causing the moving frame 9 to move downwards. The two rotating rings 8 follow the moving frame 9 downwards, causing the spring shaft 5 to move downwards. At this time, the gear 4 moves downwards, causing the two sliders 3 and the pressure rod 27 to move downwards, compressing the first spring 10. The two pressure rods 27 move downwards, pressing against the two inclined rails 20. Simultaneously, the two sliding blocks 19 move in opposite directions, pressing against the second spring 26. The rack 21 follows the sliding block 19, causing the rotating gear 23 to rotate. This causes the two geared plates 13 to move towards each other, causing the two clamping plates 14 to clamp, fix, and align the automotive part 28. The infrared rangefinder 15 then detects the thickness of the automotive part 28, and the detected image is displayed on the screen. On the surface of screen 30, this scheme uses the telescopic device 17 to retract, causing the moving frame 9 to move downwards. Two rotating rings 8 follow the moving frame 9 downwards, causing the spring shaft 5, the gear 4, the two sliders 3, and the pressure rod 27 to move downwards as well. The two pressure rods 27 press against the two inclined rails 20. At this time, the two sliding blocks 19 move in opposite directions, causing the rack 21 to move. The rack 21's movement causes the rotating gear 23 to rotate, which in turn causes the two geared plates 13 to move towards each other, causing the two clamping plates 14 to clamp, fix, and position the car part 28. The infrared rangefinder 15 then works to detect the thickness of the car part 28. Compared to traditional detection devices, this detection equipment detects the thickness of the car part 28 during clamping, without human intervention, ensuring the accuracy of the detection and improving the efficiency of the detection device.

[0043] Example 2: Please refer to Figure 1 - Figure 9The difference from embodiment 1 is that a plate frame 33 is fixedly installed on the side surface of any bracket 11. A first feeding plate 34 for material feeding is fixedly installed between a pair of plate frames 33, and a second feeding plate 35 for material feeding is fixedly installed between another pair of plate frames 33. Two fixed brackets 36 are correspondingly fixedly installed on the inner bottom surface of the outer casing 1. A first toothed plate 37 and a second toothed plate 38 are slidably connected inside the two fixed brackets 36, respectively. The first toothed plate 37 and the second toothed plate 38 match the missing gear 4. After the infrared rangefinder 15 detects the thickness of the automotive part 28, it transmits the data to the controller 29. The controller 29 judges whether the automotive part 28 is qualified. When the thickness of the automotive part 28 is qualified, the missing gear 4 resetting motion engages with the first toothed plate 37. At this time, the missing gear 4 rotates, carrying the fixed rod 6 and... As the placement platform 7 rotates, the automotive part 28 slides down into the first unloading plate 34 under its own weight. When the thickness of the automotive part 28 is unqualified, the electric telescopic rod 39 extends, carrying the second toothed plate 38 towards the toothed gear 4. During the resetting process, the toothed gear 4 meshes with the second toothed plate 38. The rotation of the toothed gear 4 causes the fixing rod 6 and the placement platform 7 to rotate. At this time, the unqualified automotive part 28 slides down onto the surface of the second unloading plate 35 under its own weight. This allows for the separation and collection of qualified and defective automotive parts 28 without the need for subsequent manual intervention, further improving the detection speed of automotive parts 28. Through the coordinated operation of the controller 29, display screen 30, telescopic device 17, and electric telescopic rod 39, the detection quality of automotive parts 28 is ensured, while automated detection of automotive parts 28 is achieved, further improving the detection speed and efficiency of automotive parts 28.

[0044] Electric telescopic rods 39 are fixedly installed on the inner walls of both fixed brackets 36. The telescopic ends of the two electric telescopic rods 39 are fixedly connected to the surfaces of the first toothed plate 37 and the second toothed plate 38, respectively. The electric telescopic rods 39 are electrically connected to the controller 29 through wires. The electric telescopic rods 39 are conventional electric control push rods in the prior art. The two electric telescopic rods 39 work separately to separate qualified and defective automobile parts 28.

[0045] The usage steps of this invention are as follows: When using this thickness detection device for automotive parts, after the automotive part 28 is inspected, it is necessary to determine whether the thickness of the automotive part 28 is within the acceptable thickness range based on the inspection data. Acceptable and unacceptable automotive parts 28 must be separated and collected. After the infrared rangefinder 15 completes the thickness detection of the automotive part 28, it transmits the data to the controller 29. The controller 29 determines whether the automotive part 28 is acceptable. When the thickness of the automotive part 28 is acceptable, the telescopic device 17 extends, and the spring shaft 5, missing gear 4, two sliders 3, and pressure rod 27 return to their original positions. At this time, the placement platform 7 and the automotive part 28... 8. During the reset process of the automotive part 28, the pressure rod 27 gradually disengages from the inclined rail 20. At this time, the two slide blocks 19 move towards each other under the action of the second spring 26, causing the two toothed plates 13 to move in opposite directions, carrying the two clamping plates 14 away from the surface of the automotive part 28. The electric telescopic rod 39 extends, carrying the first toothed plate 37 towards the toothed gear 4. When the reset movement of the toothed gear 4 meshes with the first toothed plate 37, the toothed gear 4 rotates, causing the fixing rod 6 and the placement platform 7 to rotate. The automotive part 28 slides down into the first unloading plate 34 under its own weight. A storage box is placed below the first unloading plate 34 in advance. At this time, the qualified automotive part 28 is collected through the first unloading plate 34. Conversely, when the thickness of the car part 28 is unqualified, the electric telescopic rod 39 extends, carrying the second toothed plate 38 towards the toothed gear 4. During the resetting motion of the toothed gear 4, it meshes with the second toothed plate 38. The rotation of the toothed gear 4 causes the fixing rod 6 and the placement platform 7 to rotate. At this time, the unqualified car part 28 slides down onto the surface of the second unloading plate 35 under its own weight, and is then collected into the storage box through the second unloading plate 35. After the infrared rangefinder 15 detects the thickness of the car part 28, it transmits the data to the controller 29. The controller 29 judges whether the car part 28 is qualified. When the thickness of the car part 28 is qualified, the resetting motion of the toothed gear 4 and the... When the first toothed plate 37 is engaged, the toothed gear 4 rotates, causing the fixing rod 6 and the placement platform 7 to rotate. The car part 28 slides down into the first unloading plate 34 under its own weight. When the thickness of the car part 28 is not up to standard, the electric telescopic rod 39 extends and moves the second toothed plate 38 toward the toothed gear 4. During the resetting motion, the toothed gear 4 engages with the second toothed plate 38. The toothed gear 4 rotates, causing the fixing rod 6 and the placement platform 7 to rotate. At this time, the unqualified car part 28 slides down onto the surface of the second unloading plate 35 under its own weight. This allows for the separation and collection of qualified and defective car parts 28 without the need for subsequent manual intervention, further improving the inspection speed of the car parts 28.Through the coordinated operation of the controller 29, display screen 30, telescopic device 17, and electric telescopic rod 39, the inspection quality of the automotive part 28 by the testing equipment is ensured, while the automated inspection of the automotive part 28 is achieved, further improving the inspection speed and efficiency of the automotive part 28.

[0046] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thickness detection device for automotive parts, comprising a housing (1), characterized in that: Two slides (2) are fixedly installed on the inner bottom surface of the outer casing (1). Each slide (2) has a matching slider (3) slidably connected inside it. A rotatable gear (4) is provided between the two slides (2). Spring shafts (5) are provided between the two sides of the gear (4) and the two sliders (3). The gear (4) is rotatably connected to the two sliders (3) via the spring shafts (5). A fixing rod (6) is fixedly installed on the top surface of the gear (4). A placement platform (7) is fixedly installed on the top surface of the fixing rod (6). A car is placed inside the placement platform (7). The component (28) is elastically connected to the slider (3) and the carriage (2) by a first spring (10). The bottom surface of the outer shell (1) is fixedly installed with two pairs of brackets (11). The top surface of any one of the brackets (11) is fixedly installed with a fixing block (12). A sliding toothed plate (13) is provided between the two fixing blocks (12). One end surface of any one of the toothed plates (13) is fixedly installed with a clamping plate (14) for clamping the automotive component (28). The top surface of the outer shell (1) is fixedly installed with an infrared rangefinder (15) for detecting the thickness of the automotive component (28). The inner bottom surface of the outer shell (1) has two corresponding sliding grooves (18), which are located on both sides of the through groove (16). The interior of each sliding groove (18) is slidably connected to a matching slide seat (19). The side surfaces of each slide seat (19) are fixedly mounted with a ramp rail (20). The top surfaces of each slide seat (19) are fixedly mounted with a rack (21). The inner surfaces of any set of brackets (11) are rotatably connected to a rotating shaft (22). The surface of the rotating shaft (22) is coaxially fixedly connected with a rotating gear (23). The rotating gear (23) meshes with the rack (21) and the toothed plate (13). A second spring (26) is elastically connected between the slide block (19) and the slide groove (18). One end of the second spring (26) is fixedly connected to the surface of the slide block (19), and the other end of the second spring (26) is fixedly connected to the inner wall of the slide groove (18). One end of the first spring (10) is fixedly connected to the bottom surface of the slider (3), and the other end of the first spring (10) is fixedly connected to the inner bottom surface of the slide (2); Both sliders (3) are fixedly mounted with pressure rods (27) on their side surfaces. During the downward movement of the two pressure rods (27), the two pressure rods (27) press against the surfaces of the two ramp rails (20). A plate frame (33) is fixedly installed on the side surface of any one of the brackets (11). A first feeding plate (34) for feeding is fixedly installed between a pair of plate frames (33), and a second feeding plate (35) for feeding is fixedly installed between another pair of plate frames (33). Two fixing brackets (36) are fixedly installed on the inner bottom surface of the outer shell (1). A first toothed plate (37) and a second toothed plate (38) that match them are slidably connected inside the two fixing brackets (36). The first toothed plate (37) and the second toothed plate (38) match the missing gear (4).

2. The thickness detection device for automotive parts according to claim 1, characterized in that: Two rotating rings (8) are rotatably connected to the surface of the spring shaft (5). The two rotating rings (8) are located on both sides of the missing gear (4). The surfaces of the two rotating rings (8) are fixedly connected to a movable frame (9). The bottom surface of the outer shell (1) has a through groove (16) corresponding to the position of the movable frame (9). The bottom surface of the outer shell (1) is fixedly installed with a base (31). The bottom surface of the base (31) is fixedly installed with a telescopic device (17). The telescopic end of the telescopic device (17) passes through the through groove (16) and is fixedly connected to the bottom surface of the movable frame (9).

3. The thickness detection device for automotive parts according to claim 1, characterized in that: Each of the fixed blocks (12) has a slot (24) on its inner side, and each of the slots (24) has a matching fixed plate (25) slidably connected inside it. The toothed plate (13) is slidably connected to the fixed block (12) by matching the fixed plate (25) and the slot (24).

4. The thickness detection device for automotive parts according to claim 1, characterized in that: A controller (29) is fixedly installed on the side surface of the housing (1). The controller (29) is electrically connected to the telescopic device (17) via a wire. A connecting frame (32) is fixedly installed on the side surface of the housing (1). A display screen (30) is fixedly installed on the surface of the connecting frame (32). The display screen (30) is electrically connected to the controller (29) via a wire.

5. A thickness detection device for automotive parts according to claim 4, characterized in that: Electric telescopic rods (39) are fixedly installed on the inner walls of both fixed frames (36). The telescopic ends of the two electric telescopic rods (39) are fixedly connected to the surfaces of the first toothed plate (37) and the second toothed plate (38), respectively. The electric telescopic rods (39) are electrically connected to the controller (29) through wires.

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