Flaw detector capable of improving detection precision

Abstract

The invention discloses a flaw detector capable of improving detection precision. The flaw detector comprises a bottom plate and a first unwinding rod slidably mounted above the bottom plate, the clamping table is fixedly arranged at the left end of the bottom plate, and a pressing plate is installed above the clamping table in a telescopic mode; the rear side plate is integrally and fixedly installed at the rear end of the bottom plate, a first sliding rail is fixedly installed on the front side face of the rear side plate in parallel, and a first fixing frame is slidably connected to the outer side of the first sliding rail; and the connecting rod is rotationally installed at the bottom of the first fixing frame, a shaft rod and a first unwinding rod are fixedly installed at the top end and the bottom end of the connecting rod correspondingly, and a pressing roller is connected to the outer side of the shaft rod in a rolling mode. According to the flaw detector capable of improving the detection precision, loading and unloading detection of a car cover film can be conveniently and rapidly carried out, stable unfolding is facilitated, car cover damage is avoided, the detection precision can be improved, and the detection efficiency is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of invisible car cover production and processing, and more particularly to the technical field of invisible car cover detection, and in particular to a defect detector capable of improving detection accuracy. Background Art

[0002] Invisible car cover can improve the brightness of the car body. It can also prevent corrosion and scratches. It is equivalent to a transparent protective film, which separates the car paint from the external environment and effectively protects the car paint from the external environment. At the same time, the invisible car cover has elastic self-repair function. Its raw material comes from TPU. This material has elastic memory repair function and can automatically repair scratches when encountering small scratches. During the production, processing and use of invisible car cover, it is generally necessary to test the invisible car cover to ensure that the invisible car cover has no creases, bubbles, scratches and other defects to avoid affecting the quality of the car cover. The current car cover detection equipment, such as the patent with application number 202211147432.6, discloses an ultra-transparent car cover light transmission detection device, including a detection box, a placement rack, an inspection component and a sealing component. The placement rack is fixedly connected to the detection box, and the sealing component includes a sealing cover, a fixed seat, a sliding block and a limit seat. The sealing cover is rotatably connected to the detection box, the fixed seat is fixedly connected to the sealing cover, the sliding block is slidably connected to the fixed seat, and the limit seat is fixedly connected to the detection box. The limit seat has a limit slot. The car cover is placed in the placement rack, the sealing cover is pulled to rotate the sealing cover relative to the detection box, and the sealing cover is closed on the detection box, the position of the sliding block is moved, and the sliding block is inserted into the limit slot, so that the fixed seat and the limit seat are locked, and then the position of the sealing cover is locked, and the inspection component is further used to detect the car cover in a sealed environment to prevent external light from affecting the detection result; For another example, patent 202220355672.4 discloses a TPU film appearance detection device, comprising a base, a light source table is fixedly connected to the top of the base, a first slide groove is provided on one side of the light source table, a second slide groove is provided on the inner wall of the side of the light source table away from the first slide groove, a first slide rod is slidably connected in the second slide groove, an end of the first slide rod away from the second slide groove passes through the first slide groove and is slidably connected, a thread is provided on the end of the first slide rod close to the first slide groove, a first limiting ring is connected to the first slide rod through a thread, and the utility model is provided with a rotatably adjustable positive ring, which can keep the TPU film in the center position, and at the same time can adjust the range of illumination, so that the TPU film can completely cover all light sources, prevent other light from being received by the light sensor, and improve the detection accuracy; Considering the actual needs of invisible car cover during processing and use, the current defect detection equipment still has certain drawbacks, such as: The structure is complex, the operation is cumbersome, and the car cover cannot be placed and loaded quickly, which is not conducive to the rapid completion of the car cover inspection work to improve the efficiency of car cover mounting and use; The car cover cannot be unfolded stably, which is not conducive to preventing the car cover from bending and damaging, thus affecting its use; When the car cover is unfolded for inspection, the influence of the natural curling of the car cover caused by winding on the defect detection cannot be reduced, which is not conducive to improving the detection accuracy; Therefore, we propose a defect detector that can improve detection accuracy in order to solve the above-mentioned problems. Summary of the invention

[0003] The purpose of the present invention is to provide a defect detector that can improve detection accuracy, so as to solve the problem that in the current car cover defect detection process proposed by the above background technology, the detection efficiency is slow, the car cover may be damaged, and it is not conducive to improving the detection accuracy.

[0004] To achieve the above object, the present invention provides the following technical solution: A defect detector capable of improving detection accuracy comprises: a bottom plate, and a first unwinding rod slidably mounted above the bottom plate; Also includes: A clamping platform, wherein the clamping platform is fixedly arranged at the left end of the bottom plate, and a pressing plate is telescopically installed above the clamping platform; A rear side plate, the rear side plate is integrally fixedly mounted on the rear end of the bottom plate, a first slide rail is fixedly mounted on the front side of the rear side plate in parallel, and a first fixing frame is slidably connected to the outer side of the first slide rail; A connecting rod, the connecting rod is rotatably mounted on the bottom of the first fixed frame, and the top and bottom ends of the connecting rod are respectively fixedly mounted with an axle rod and a first unwinding rod, and the outer side of the axle rod is rollingly connected with a pressure roller; A horizontal plate is fixedly connected to the top front side of the first fixing frame, and a left mounting frame and a right mounting frame are symmetrically hingedly installed on the bottom of the horizontal plate, and a light source module and a receiving module are respectively embedded and installed on the bottom of the left mounting frame and the right mounting frame.

[0005] Preferably, a fixed plate is fixedly installed on the top left side of the base plate, and the pressure plate is slidably connected to the inner side of the fixed plate in an up-and-down manner. The cross-sectional shape of the pressure plate is an "I"-shaped structure. The pressure plate is elastically and telescopically connected to the bottom surface of the fixed plate through a first spring, and rubber pads are pasted on the top surface of the clamp and the bottom surface of the pressure plate in correspondence with each other.

[0006] Preferably, a flat roller is provided on the right side of the pressing plate and is rollingly installed on the left side of the bottom plate, and the top surface position height of the flat roller is not lower than the top surface position height of the bottom plate.

[0007] Preferably, a first slider is slidably mounted on the inner side of the first slide rail, the first slider is fixedly connected to the first fixing frame, a driving motor is fixedly mounted on the bottom of the first fixing frame, and the output end of the driving motor is integrally fixed to the connecting rod.

[0008] Preferably, a support rod is rotatably mounted at the end of the shaft rod, a fixing sleeve is protruding from the bottom end of the support rod, a limiting rod is telescopically mounted inside the fixing sleeve, and the top end of the limiting rod is correspondingly engaged and connected with the top end of the first unwinding rod.

[0009] Preferably, a limiting ring is slidably installed on the outer side of the shaft rod, and a clamping plate is symmetrically arranged inside the limiting ring in the upper and lower parts, the top of the clamping plate is telescopically connected to the limiting ring through a second spring, a clamping pad is pasted on the inner side of the clamping plate, and a pressure block is symmetrically arranged inside the limiting ring in the upper and lower parts, and the limiting plate is fixed integrally inside the limiting ring, and the pressure block is telescopically connected to the limiting plate through a third spring.

[0010] Preferably, a mounting plate is integrally fixedly installed at the bottom end of the first fixing frame, and the mounting plate is slidably connected to the left and right in a slide groove transversely opened at the rear end of the bottom plate, a slide bar is transversely fixed to the bottom of the mounting plate, a second slide bar is slidably connected to the outer side of the slide bar, and a fourth spring sleeved on the outer side of the slide bar is connected between the second slide bar and the right side of the mounting plate; A mounting rod is fixedly installed on the front end surface of the second slider, and the mounting rod is longitudinally inserted into the internal hollow structure of the base plate. A light intensity sensing module is fixedly installed on the top surface of the mounting rod. Balls are rollingly installed at equal intervals on the bottom of the mounting rod, and the top surface of the base plate is a transparent structure.

[0011] Preferably, a slide groove is provided on the top of the mounting plate, the inner bottom of the slide groove is slidably connected to a third slider, the bottom of the third slider is slidably connected to the outside of the slide rod, the top of the third slider is fixed with an extension rod which is also slidably connected to the inside of the slide groove, and the top of the extension rod is connected with a nut.

[0012] Preferably, a front side plate is arranged above the front side of the bottom plate, outer guard plates are fixedly installed on the top ends of the rear side plate and the front side plate, a second slide rail is transversely arranged on the inner side of the front side plate, a second fixing frame is slidably connected to the inner side of the second slide rail, a connecting plate is rotatably connected to the bottom end of the second fixing frame, and the top end of the connecting plate is fixedly connected to the top end of the shaft rod; The horizontal plate is fixedly connected between the second fixing frame and the first fixing frame, a fan is fixedly installed on the right side of the top surface of the horizontal plate, the output end of the fan is connected to a connecting pipe, the bottom end of the connecting pipe is connected to a shaping tube located below the horizontal plate, the end of the shaping tube is connected to an air duct, an air outlet plate is fixed to the bottom end of the air duct, a honeycomb panel is arranged inside the air duct, and three groups of fans and air ducts are correspondingly arranged on the upper and lower sides of the horizontal plate.

[0013] Preferably, the inner sides of the left mounting frame and the right mounting frame are hinged with adjustment blocks at the same time, the internal threads of the adjustment blocks are connected with adjustment rods, the top end of the adjustment rods are rotatably mounted on the inner side of the cross plate, and the left mounting frame and the right mounting frame are arranged at equal intervals below the cross plate.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects: the defect detector capable of improving detection accuracy is convenient for rapid loading and unloading detection of car cover films, is convenient for stable deployment, avoids damage to the car cover, can improve detection accuracy, and ensure detection efficiency; 1. This solution is provided with a clamping platform, a pressing plate and a rubber pad. Through the upward and downward sliding telescopic structure of the pressing plate on the inner side of the fixed plate, the end of the car cover can be clamped by the pressing plate and the clamping platform. At the same time, rubber pads are provided on the opposite sides of the pressing plate and the clamping platform, which is beneficial to avoid damage to the car cover and facilitate the unfolding and detection of the car cover; Furthermore, the clamping platform, the pressing plate and other structures can be directly replaced by the second unwinding rod, so as to facilitate the unwinding and rewinding detection of the garment; 2. In this solution, a flat roller is provided, which can conveniently lift up the part of the car cover that enters the top surface of the bottom plate, so as to avoid friction between the car cover and the corner of the bottom plate, thereby preventing the car cover from being damaged; 3. In this solution, a first slide rail, a first fixed frame and a first unwinding rod are provided. The first slide rail can be used to slide the first fixed frame left and right by using the first slider, so that the first unwinding rod provided outside the first fixed frame can be slid for use, and the first unwinding rod can directly insert and place the garment roll, so as to facilitate the unwinding detection of the garment; Furthermore, a driving motor, an axle and a pressure roller are provided, and the driving motor can rotate the entire structure of the connecting rod, the axle and the first unwinding rod, so that the pressure roller arranged on the outer side of the axle can be used to press the car cover downward, so as to ensure that the car cover is attached to the surface of the bottom plate, so as to reduce warping and improve detection accuracy; 4. In this solution, a support rod, a fixing sleeve and a limiting rod are provided. Through the rotational connection between the support rod and the shaft rod, the support rod can be rotated to the side of the first unwinding rod to facilitate the loading of the garment. The bottom end of the support rod is rotated to align with the end of the first unwinding rod. Through the extension and contraction of the limiting rod, the limiting rod is engaged with the bottom end of the support rod. The shaft rod, the support rod and the first unwinding rod can be combined to enhance the structural strength, maintain the parallelism between the pressure roller and the first unwinding rod, and avoid curling or even bending caused by tilting of the garment; 5. In this solution, a limit ring, a clamping plate and a pressure block are provided. By squeezing the pressure block, the clamping plate can be squeezed by the pressure block, so that the clamping plate slides inward, so that the clamping plate loses the clamping of the first unwinding rod, so as to slide the limit ring. At the same time, through the elastic action of the third spring and the second spring, the clamping plate can re-clamp the first unwinding rod through the clamping pad, so as to facilitate the limit detection of the car covers of different widths used on the vehicle; 6. In this solution, a mounting plate, a second slider, a mounting rod and a light intensity sensing module are provided. The mounting plate and the first fixing frame are integrally fixed to facilitate the movement of the mounting rod and the light intensity sensing module following the first unwinding rod, so as to facilitate the detection of the car cover; Furthermore, a slide bar, a third slide bar and a stretching rod are provided. The second slide bar slides to the right when the first unwinding rod moves to the leftmost position through the sliding structure of the second slide bar, so as to ensure the movement of the first unwinding rod. At the same time, the third slide bar is fixed to limit the position of the second slide bar under the elastic action of the fourth spring, so that the light intensity sensing module can receive the refracted light for car clothing detection. 7. In this solution, a horizontal plate, a left mounting frame, a right mounting frame and an adjustment block are provided. The horizontal plate is fixed integrally with the first fixing frame, so that the left mounting frame and the right mounting frame can move with the first unwinding rod. At the same time, the adjustment block can be raised and lowered by rotating the adjustment rod to adjust the inclination angle of the left mounting frame and the right mounting frame, so that the light source module and the receiving module can be used to perform light reflection detection for car covers of different thicknesses; 8. In this scheme, a fan, a shaping tube and an air duct are provided. The fan is used to blow air, so that the air can be blown to the car cover attached to the surface of the bottom plate through the air duct, which is beneficial to ensure that the car cover is laid flat and avoid warping, thereby further improving the detection accuracy. At the same time, a honeycomb-shaped honeycomb panel is provided inside the air duct, which is beneficial to ensure that the wind is blown out evenly and avoid vibration of the car cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings: Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the overall front cutaway structure of the present invention; Figure 3 It is a schematic diagram of the overall internal structure of the present invention; Figure 4 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 5 For the present invention Figure 3 The enlarged structural diagram at B in the middle; Figure 6 It is a schematic diagram of the overall cross-section structure of the support rod of the present invention; Figure 7 It is a schematic diagram of the overall structure of the mounting plate of the present invention; Figure 8 It is a schematic diagram of the overall installation structure of the installation rod of the present invention; Fig. 9 It is a schematic diagram of the overall internal structure of the limiting ring of the present invention; Fig.10 It is a schematic diagram of the motion structure of the shaft rod of the present invention; Fig.11 It is a schematic diagram of the left rear view structure of the present invention; Fig.12 It is a bottom view structural schematic diagram of the present invention; Fig.13 For the present invention Figure 2 The enlarged structural diagram at C in the middle; Fig.14 This is a schematic diagram of the assembly structure of the second unwinding rod of the present invention.

[0016] In the figure: 1, bottom plate; 2, clamping table; 3, fixed plate; 4, pressure plate; 5, rubber pad; 6, first spring; 7, flat roller; 8, rear side plate; 9, front side plate; 10, outer guard plate; 11, first slide rail; 12, first slider; 13, first fixed frame; 14, driving motor; 15, connecting rod; 16, shaft rod; 17, pressure roller; 18, first unwinding rod; 19, support rod; 20, fixing sleeve; 21, limiting rod; 22, limiting ring; 23, clamping plate; 24, second spring; 25, clamping pad; 26, pressure block; 27, third spring; 28, limiting plate; 29, Mounting plate; 30, sliding rod; 31, second sliding block; 32, fourth spring; 33, mounting rod; 34, light intensity sensing module; 35, ball bearing; 36, third sliding block; 37, extension rod; 38, slide groove; 39, horizontal plate; 40, second slide rail; 41, second fixed frame; 42, connecting plate; 43, left mounting frame; 44, right mounting frame; 45, adjusting block; 46, adjusting rod; 47, light source module; 48, receiving module; 49, fan; 50, connecting tube; 51, shaping tube; 52, air duct; 53, honeycomb panel; 54, air outlet plate; 55, second unwinding rod. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0018] See also Figure 1-14 , the present invention provides the following technical solutions: A defect detector capable of improving detection accuracy comprises: a bottom plate 1, a clamping table 2, a fixing plate 3, a pressing plate 4, a rubber pad 5, a first spring 6, a flat roller 7, a rear side plate 8, a front side plate 9, an outer guard plate 10, a first slide rail 11, a first slider 12, a first fixing frame 13, a driving motor 14, a connecting rod 15, a shaft rod 16, a pressing roller 17, a first unwinding rod 18, a supporting rod 19, a fixing sleeve 20, a limiting rod 21, a limiting ring 22, a clamping plate 23, a second spring 24, a clamping pad 25, a pressing block 26, and a third spring 27, limit plate 28, mounting plate 29, slide bar 30, second slide block 31, fourth spring 32, mounting rod 33, light intensity sensing module 34, ball 35, third slide block 36, extension rod 37, slide groove 38, cross plate 39, second slide rail 40, second fixing frame 41, connecting plate 42, left mounting frame 43, right mounting frame 44, adjusting block 45, adjusting rod 46, light source module 47, receiving module 48, fan 49, connecting pipe 50, shaping pipe 51, air duct 52, honeycomb plate 53, air outlet plate 54; Wherein: the clamping platform 2 is fixedly arranged at the left end of the base plate 1, a pressing plate 4 is telescopically installed above the clamping platform 2, a fixing plate 3 is fixedly installed on the left top of the base plate 1, the pressing plate 4 is connected to the inner side of the fixing plate 3 in an up-and-down sliding manner, the cross-sectional shape structure of the pressing plate 4 is an "I"-shaped structure, the pressing plate 4 is elastically telescopically connected to the bottom surface of the fixing plate 3 through a first spring 6, rubber pads 5 are correspondingly pasted on the top surface of the clamping platform 2 and the bottom surface of the pressing plate 4, and a flat roller 7 is provided on the right side of the pressing plate 4 and is rollingly installed on the left side of the base plate 1, and the top surface position height of the flat roller 7 is not lower than the top surface position height of the base plate 1.

[0019] In specific application scenarios, such as Figure 1 , Figure 2 and Figure 4In the process, the handle installed on the top of the pressing plate 4 can be used to directly pull the pressing plate 4 upwards to separate the pressing plate 4 from the clamping platform 2, and the end of the car cover film is placed between the clamping platform 2 and the pressing plate 4. Through the elastic action of the first spring 6, the pressing plate 4 is pressed down on the inner side of the fixed plate 3, so that the car cover can be clamped by the clamping platform 2 and the pressing plate 4, and the opposite surfaces of the clamping platform 2 and the pressing plate 4 are pasted with rubber pads 5, which can increase the clamping friction while avoiding damage to the car cover, so as to facilitate the subsequent flat use of the car cover.

[0020] Among them, the rear side plate 8 is integrally fixedly installed on the rear end of the bottom plate 1, and the front side surface of the rear side plate 8 is parallelly fixedly installed with a first slide rail 11, the outer side of the first slide rail 11 is slidably connected with the first fixed frame 13, the connecting rod 15 is rotatably installed at the bottom of the first fixed frame 13, and the top and bottom ends of the connecting rod 15 are respectively fixedly installed with an axle rod 16 and a first unwinding rod 18, and the outer side of the axle rod 16 is rollingly connected with a pressure roller 17, the inner side of the first slide rail 11 is slidably installed with a first slider 12, and the first slider 12 is correspondingly fixedly connected to the first fixed frame 13, and the bottom of the first fixed frame 13 is fixedly installed with a driving motor 14, the output end of the driving motor 14 is integrally fixed with the connecting rod 15, and the end of the axle rod 16 is rotatably installed with a support rod 19, and the bottom end of the support rod 19 is protrudingly provided with a fixing sleeve 20, and the internal telescopic installation of a limiting rod 21 of the fixing sleeve 20, and the top end of the limiting rod 21 is correspondingly engaged with the top end of the first unwinding rod 18.

[0021] In specific application scenarios, such as Figure 3 , Figure 5 and Figure 6 In the embodiment, the first fixed frame 13 can be slid left and right through the sliding structure of the first slider 12 on the outside of the first slide rail 11, and the connecting rod 15 can be driven by the driving motor 14 embedded in the bottom end of the first fixed frame 13, which can drive the shaft 16 and the first unwinding rod 18 to rotate around the driving motor 14, wherein the first unwinding rod 18 can be directly inserted into the middle of the clothing roll, so that the clothing roll can be unwound by the left and right sliding of the first fixed frame 13, and at the same time, through the rotation of the connecting rod 15, the first unwinding rod 18 on the outside of the shaft 16 is attached to the surface of the bottom plate 1, and the unwound clothing is pressed down to the surface of the bottom plate 1 by the first unwinding rod 18, so that the clothing can be spread flat for easy detection.

[0022] Among them: a limit ring 22 is slidably installed on the outer side of the shaft 16, and a clamping plate 23 is symmetrically arranged inside the limit ring 22 in an up-and-down manner. The top of the clamping plate 23 is telescopically connected to the limit ring 22 through a second spring 24, and a clamping pad 25 is pasted on the inner side of the clamping plate 23. A pressure block 26 is symmetrically arranged inside the limit ring 22, and a limit plate 28 is fixed inside the limit ring 22 in an integrated manner. The pressure block 26 is telescopically connected to the limit plate 28 through a third spring 27.

[0023] In specific application scenarios, such as Figure 3 , Figure 6 and Fig. 9 The pressure blocks 26 on both sides of the limit ring 22 are directly pressed with fingers, so that the pressure blocks 26 shrink toward the inside of the limit ring 22. While the pressure blocks 26 shrink, the clamping plates 23 are squeezed by the pressure blocks 26, so that the clamping plates 23 slide toward the outside of the limit ring 22, so that the clamping plates 23 lose their grip on the first unwinding rod 18, thereby sliding the limit ring 22 on the outside of the first unwinding rod 18, so that the limit ring 22 can be used to adjust the distance of the clothing roll entering the first unwinding rod 18 to adapt to the use of clothing of different widths. After the adjustment is completed, the pressure blocks 26 are released, and the clamping plates 23 and the pressure blocks 26 are automatically reset under the elastic action of the second spring 24 and the third spring 27, so that the clamping plates 23 clamp the first unwinding rod 18 through the clamping pads 25 to maintain the positioning.

[0024] Among them: the horizontal plate 39 is fixedly connected to the top front side of the first fixing frame 13, the bottom of the horizontal plate 39 is symmetrically hinged with a left mounting frame 43 and a right mounting frame 44, the bottom of the left mounting frame 43 and the right mounting frame 44 are respectively embedded with a light source module 47 and a receiving module 48, a front side plate 9 is arranged on the front upper side of the bottom plate 1, an outer guard plate 10 is fixedly installed on the top of the rear side plate 8 and the front side plate 9, a second slide rail 40 is transversely arranged on the inner side of the front side plate 9, and a second fixed The bottom end of the second fixing frame 41 is rotatably connected with a connecting plate 42, the top end of the connecting plate 42 is fixedly connected to the top end of the shaft rod 16, the cross plate 39 is fixedly connected between the second fixing frame 41 and the first fixing frame 13, the inner sides of the left mounting frame 43 and the right mounting frame 44 are hinged with adjusting blocks 45 at the same time, the internal threads of the adjusting blocks 45 are connected with adjusting rods 46, the top end of the adjusting rods 46 is rotatably mounted on the inner side of the cross plate 39, and the left mounting frame 43 and the right mounting frame 44 are arranged at equal intervals below the cross plate 39.

[0025] In specific application scenarios, such as Figure 2 , Figure 3 , Fig.10 , Fig.12 and Fig.13In the embodiment, the first fixing frame 13 is integrally arranged with the transverse plate 39 and the second fixing frame 41. When the shaft rod 16 and the first unwinding rod 18 slide with the first fixing frame 13, the left mounting frame 43 and the right mounting frame 44 slide synchronously. According to the thickness of the car cover, the adjusting rod 46 is rotated. Since the adjusting rod 46 is threadedly connected to the adjusting block 45, the adjusting block 45 can be raised and lowered under the transverse plate 39. Since the two ends of the adjusting block 45 are correspondingly hinged with the left mounting frame 43 and the right mounting frame 44, the top ends of the left mounting frame 43 and the right mounting frame 44 are hinged with the bottom surface of the transverse plate 39, thereby adjusting the inclination angle of the left mounting frame 43 and the right mounting frame 44, so that the light of the light source module 47 embedded in the left mounting frame 43 is irradiated to the surface of the car cover and then reflected, and received by the receiving module 48 embedded and installed in the right mounting frame 44. By judging whether the intensity of the reflected light is uniform, it is uploaded to the computer processor to judge whether there are defects such as bubbles, scratches, and creases on the car cover.

[0026] Among them: a fan 49 is fixedly installed on the right side of the top surface of the horizontal plate 39, the output end of the fan 49 is connected to a connecting pipe 50, the bottom end of the connecting pipe 50 is connected to a shaping tube 51 located below the horizontal plate 39, the end of the shaping tube 51 is connected to an air duct 52, an air outlet plate 54 is fixed to the bottom end of the air duct 52, a honeycomb panel 53 is arranged inside the air duct 52, and three groups of fans 49 and air ducts 52 are correspondingly arranged on the upper and lower sides of the horizontal plate 39.

[0027] In specific application scenarios, such as Figure 2 , Figure 3 , Fig.11 and Fig.13 In the process, air is blown toward the connecting tube 50 through the fan 49, and the air is blown out through the air outlet plate 54 through the connection among the connecting tube 50, the shaping tube 51 and the air duct 52. Meanwhile, a honeycomb plate 53 with a honeycomb structure is arranged inside the air duct 52, which is beneficial to ensure the uniform blowing of wind, avoid the vibration of the car cover caused by the wind, and spread the car cover onto the surface of the bottom plate 1 through the blowing of wind, so as to improve the detection accuracy.

[0028] Among them: the bottom end of the first fixing frame 13 is integrally fixedly installed with a mounting plate 29, and the mounting plate 29 is slidably connected to the left and right in the slide groove opened horizontally at the rear end of the bottom plate 1, and a sliding rod 30 is fixed to the bottom of the mounting plate 29 horizontally, and a second sliding block 31 is slidably connected to the outer side of the sliding block 30, and a fourth spring 32 sleeved on the outer side of the sliding block 30 is connected between the second sliding block 31 and the right side of the mounting plate 29, and a mounting rod 33 is fixedly installed on the front end surface of the second sliding block 31, and the mounting rod 33 is longitudinally inserted into the interior of the bottom plate 1 In the empty structure, a light intensity sensing module 34 is fixedly installed on the top surface of the mounting rod 33, and balls 35 are rolled and installed at equal intervals on the bottom of the mounting rod 33. The top surface of the base plate 1 is a transparent structure, and a slide groove 38 is opened on the top of the mounting plate 29. The inner bottom of the slide groove 38 is slidably connected to the third slider 36. The bottom of the third slider 36 is slidably connected to the outer side of the slide rod 30. The top of the third slider 36 is fixed with an extension rod 37 which is also slidably connected to the inside of the slide groove 38, and the top of the extension rod 37 is connected with a nut.

[0029] In specific application scenarios, such as Figure 3 , Figure 7 and Figure 8 In the embodiment, the integrated structure between the mounting plate 29 and the first fixed frame 13 facilitates the mounting rod 33 and the light intensity sensing module 34 to move with the first unwinding rod 18, which is convenient for detecting the car cover; the sliding structure of the second slider 31 on the outside of the slide rod 30 can adjust the position of the mounting rod 33 on the outside of the mounting plate 29, so that the light intensity sensing module 34 on the surface of the mounting rod 33 can receive the refracted light for detecting the car cover, and the third slider 36 slides on the inner side of the slide groove 38 and is fixed by a nut at the top of the extension rod 37, so that the position of the third slider 36 is fixed, and the second slider 31 is elastically pushed by the fourth spring 32, so that the second slider 31 and the third slider 36 are fitted and limited, so as to maintain the stable use of the light intensity sensing module 34, and at the same time, balls 35 are arranged at equal intervals at the bottom of the mounting rod 33 for easy sliding use.

[0030] like Fig.14 In the embodiment described above, the clamping mechanism for the end of the garment formed by the clamping table 2, the fixing plate 3, the pressure plate 4 and the rubber pad 5 can be replaced with a second unwinding rod 55 capable of unwinding the garment, so as to facilitate the inspection of large rolls of uncut garments. At this time, the first unwinding rod 18 and the second unwinding rod 55 can use rollers that can automatically rewind and unwind, so as to facilitate the rapid inspection of the garment.

[0031] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention; the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in the field. In addition, the directional nouns such as up, down, left, right, front and back in the text only represent their relative positions rather than absolute positions.

[0032] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A defect detector capable of improving detection accuracy, comprising: A bottom plate (1), and a first unwinding rod (18) slidably mounted above the bottom plate (1); It is characterized by further comprising: A clamping platform (2), the clamping platform (2) being fixedly arranged at the left end of the bottom plate (1), and a pressing plate (4) being telescopically installed above the clamping platform (2); A rear side plate (8), the rear side plate (8) being integrally fixedly mounted on the rear end of the bottom plate (1), a first slide rail (11) being fixedly mounted in parallel on the front side of the rear side plate (8), and a first fixing frame (13) being slidably connected to the outer side of the first slide rail (11); A connecting rod (15), the connecting rod (15) being rotatably mounted on the bottom of the first fixed frame (13), and the top and bottom ends of the connecting rod (15) are respectively fixedly mounted with an axial rod (16) and a first unwinding rod (18), and the outer side of the axial rod (16) is rollingly connected with a pressure roller (17); A transverse plate (39), the transverse plate (39) being fixedly connected to the top front side of the first fixing frame (13), the bottom of the transverse plate (39) being symmetrically hingedly mounted with a left mounting frame (43) and a right mounting frame (44), the bottoms of the left mounting frame (43) and the right mounting frame (44) being respectively embedded with a light source module (47) and a receiving module (48).

2. A defect detector capable of improving detection accuracy according to claim 1, characterized in that: A fixing plate (3) is fixedly mounted on the top left side of the bottom plate (1); the pressing plate (4) is connected to the inner side of the fixing plate (3) in an up-and-down sliding manner; the cross-sectional shape of the pressing plate (4) is an "I"-shaped structure; the pressing plate (4) is elastically and telescopically connected to the bottom surface of the fixing plate (3) via a first spring (6); and rubber pads (5) are pasted to the top surface of the clamping platform (2) and the bottom surface of the pressing plate (4) in a corresponding manner.

3. A defect detector capable of improving detection accuracy according to claim 1, characterized in that: A flat roller (7) is provided on the right side of the pressing plate (4) and is rollingly mounted on the left side of the bottom plate (1); the top surface of the flat roller (7) is not lower than the top surface of the bottom plate (1).

4. A defect detector capable of improving detection accuracy according to claim 1, characterized in that: A first sliding block (12) is slidably mounted on the inner side of the first slide rail (11); the first sliding block (12) is fixedly connected to a first fixing frame (13); a driving motor (14) is fixedly mounted on the bottom of the first fixing frame (13); an output end of the driving motor (14) is integrally fixed to a connecting rod (15).

5. A defect detector capable of improving detection accuracy according to claim 1, characterized in that: A support rod (19) is rotatably mounted on the end of the shaft rod (16); a fixing sleeve (20) is protruding from the bottom end of the support rod (19); a limiting rod (21) is telescopically mounted inside the fixing sleeve (20); the top end of the limiting rod (21) is correspondingly engaged with the top end of the first unwinding rod (18).

6. A defect detector capable of improving detection accuracy according to claim 1, characterized in that: A limit ring (22) is slidably mounted on the outer side of the shaft (16); a clamping plate (23) is symmetrically arranged inside the limit ring (22); the top of the clamping plate (23) is telescopically connected to the limit ring (22) via a second spring (24); a clamping pad (25) is adhered to the inner side of the clamping plate (23); a pressure block (26) is symmetrically arranged inside the limit ring (22); a limit plate (28) is integrally fixed inside the limit ring (22); and the pressure block (26) is telescopically connected to the limit plate (28) via a third spring (27).

7. A defect detector capable of improving detection accuracy according to claim 1, characterized in that: A mounting plate (29) is integrally fixedly mounted on the bottom end of the first fixing frame (13); the mounting plate (29) is slidably connected to the left and right in a slide groove transversely opened at the rear end of the bottom plate (1); a slide bar (30) is transversely fixed to the bottom of the mounting plate (29); a second slide bar (31) is slidably connected to the outer side of the slide bar (30); a fourth spring (32) sleeved on the outer side of the slide bar (30) is connected between the second slide bar (31) and the right side of the mounting plate (29); A mounting rod (33) is fixedly mounted on the front end surface of the second sliding block (31); the mounting rod (33) is longitudinally inserted into the internal hollow structure of the bottom plate (1); a light intensity sensing module (34) is fixedly mounted on the top surface of the mounting rod (33); balls (35) are rollingly mounted at equal intervals on the bottom of the mounting rod (33); and the top surface of the bottom plate (1) is a transparent structure.

8. A defect detector capable of improving detection accuracy according to claim 7, characterized in that: A slide groove (38) is provided at the top of the mounting plate (29), and the inner bottom of the slide groove (38) is slidably connected to a third slider (36), the bottom of the third slider (36) is slidably connected to the outer side of the slide rod (30), and a stretch rod (37) is fixed to the top of the third slider (36) and is also slidably connected to the inside of the slide groove (38), and a nut is connected to the top of the stretch rod (37).

9. The defect detector capable of improving detection accuracy according to claim 1, characterized in that: A front side plate (9) is arranged above the front side of the bottom plate (1); outer guard plates (10) are fixedly mounted on the top ends of the rear side plate (8) and the front side plate (9); a second slide rail (40) is transversely arranged on the inner side of the front side plate (9); a second fixing frame (41) is slidably connected to the inner side of the second slide rail (40); a connecting plate (42) is rotatably connected to the bottom end of the second fixing frame (41); and a top end of the connecting plate (42) is fixedly connected to a top end of the shaft rod (16); The transverse plate (39) is fixedly connected between the second fixing frame (41) and the first fixing frame (13); a fan (49) is fixedly installed on the right side of the top surface of the transverse plate (39); the output end of the fan (49) is connected to a connecting pipe (50); the bottom end of the connecting pipe (50) is connected to a shaping pipe (51) located below the transverse plate (39); the end of the shaping pipe (51) is connected to an air duct (52); an air outlet plate (54) is fixed to the bottom end of the air duct (52); a honeycomb panel (53) is arranged inside the air duct (52); and three groups of the fan (49) and the air duct (52) are correspondingly arranged on the upper and lower sides of the transverse plate (39).

10. A defect detector capable of improving detection accuracy according to claim 1, characterized in that: An adjustment block (45) is hingedly connected to the inner side of the left mounting frame (43) and the right mounting frame (44). An adjustment rod (46) is connected to the inner side of the adjustment block (45) through internal threads. The top end of the adjustment rod (46) is rotatably mounted on the inner side of the transverse plate (39). The left mounting frame (43) and the right mounting frame (44) are arranged at equal intervals below the transverse plate (39).

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