A crack detection system for flexible substrate

Abstract

The present invention provides a crack detection system for a flexible substrate, and relates to the technical field of crack detection systems, including a detection table, on which a feed conveyor belt, a discharge conveyor belt and a defective recovery port are provided, and a flexible substrate auxiliary bending component is provided on the detection table; the flexible substrate auxiliary bending component includes a clamping component 1, a clamping component 2 and an arc-shaped auxiliary bending mechanism, and the arc-shaped auxiliary bending mechanism includes a semicircular through-shell, a semicircular bonding carrier and a plurality of electric force rollers, the semicircular bonding carrier is slidably connected in the semicircular through-shell, a charge sensing layer is provided on the semicircular bonding carrier, and a plurality of electric force rollers are rotatably connected to the semicircular through-shell. The present invention can detect cracks on a flexible substrate in a bent state of the flexible substrate, and the flexible substrate is repeatedly bent before detecting the cracks. Compared with a flexible substrate in a horizontal state, a flexible substrate in a bent state can more accurately detect whether there is a crack during detection, and the detection result is more rigorous and objective.

Description

Technical Field

[0001] The invention belongs to the technical field of crack detection systems, and in particular relates to a crack detection system for a flexible substrate. Background Art

[0002] Prior art publication number CN 206321598 U discloses a crack detection system for a flexible substrate, comprising a charge sensing layer and a processor electrically connected to the charge sensing layer, wherein the charge sensing layer is disposed on the surface of the flexible substrate to sense the charge distribution density at a predetermined position of the flexible substrate and transmit the charge distribution density at the predetermined position of the flexible substrate, wherein the processor receives and processes the sensing result of the charge sensing layer to obtain information on whether there is a crack in the flexible substrate and information on the crack, and based on the charge distribution density at the detected position of the flexible substrate as analysis and processing data, it is possible to more accurately determine whether there is a crack and information on the crack, thereby meeting the crack detection requirements for the flexible substrate in actual production, and facilitating timely discovery of defects in the flexible substrate, thereby improving the product yield of the device;

[0003] The crack detection system needs to apply force to the flexible substrate when performing crack detection. When the force is applied, the flexible substrate is in a horizontal state. The cracks in the flexible substrate in the horizontal state are not obvious, and missed detection is prone to occur. At the same time, the crack detection results obtained in the horizontal state without bending are used as the final flexible substrate detection results, which lacks rigor and objectivity. Summary of the invention

[0004] The present invention provides a crack detection system for a flexible substrate, which is used to solve at least one of the above-mentioned technical problems.

[0005] In order to solve the above technical problems, the present invention discloses a crack detection system for a flexible substrate, comprising a detection platform, a feeding conveyor belt, a discharging conveyor belt and a defective recovery port are arranged on the detection platform, and a flexible substrate auxiliary bending component is arranged on the detection platform;

[0006] The flexible substrate auxiliary bending component includes a clamping component 1, a clamping component 2 and an arc-shaped auxiliary bending mechanism. The arc-shaped auxiliary bending mechanism includes a semicircular through-shell, a semicircular bonding carrier and a plurality of electric force rollers. The semicircular bonding carrier is slidably connected in the semicircular through-shell. A charge sensing layer is provided on the semicircular bonding carrier. A plurality of electric force rollers are rotatably connected to the semicircular through-shell. A processor is provided on the detection platform. The processor is electrically connected to the charge sensing layer through a signal amplifier.

[0007] Preferably, the transmission directions of the feed conveyor belt and the discharge conveyor belt are perpendicular to each other, and a climbing protrusion is provided on the feed conveyor belt.

[0008] Preferably, the clamping assembly 1 includes an x-guide rail, a y-guide rail, a plurality of z-axis cylinders and a clamping actuator 2, the x-guide rail is installed on the inspection table, the y-guide rail is slidably connected to the x-guide rail through a driving assembly 1, the plurality of z-axis cylinders and the clamping actuator 2 are installed on a bearing slider, and the bearing slider is slidably connected to the y-guide rail through a driving assembly 2.

[0009] Preferably, the driving assembly 1 includes a driving motor 1 and a first rack, the driving motor 1 is mounted on the y guide rail, the output end of the driving motor 1 is fixedly connected to a first gear, the first rack is fixedly connected to the x guide rail, the first gear and the first rack are meshed with each other, a plurality of stable sliders are mounted at the bottom of the y guide rail, and the stable sliders are slidably connected to the detection table;

[0010] The second driving assembly includes a second driving motor and a second rack. The second driving motor is mounted on the bearing slider. The output end of the second driving motor is fixedly connected to a second gear. The second rack is fixedly connected to the bearing slider. The second gear and the second rack are meshed with each other.

[0011] A plurality of angle adjustment motors are fixedly connected to the bearing slide block, the output end of the angle adjustment motor is fixedly connected to the z-direction cylinder, and the output end of the z-direction cylinder is connected to the second clamping actuator.

[0012] Preferably, the clamping assembly 2 includes a six-axis robotic arm and a clamping actuator 1, wherein the clamping actuator 1 is installed at the working end of the six-axis robotic arm, and the base of the six-axis robotic arm is slidably connected to the detection table.

[0013] Preferably, the arc-shaped auxiliary bending mechanism also includes a rotating base, on which an arc-shaped crawling guide rail is installed, and a mounting platform is slidably connected to the arc-shaped crawling guide rail, and a first adjusting cylinder and a second adjusting cylinder are installed on the mounting platform. The output end of the first adjusting cylinder is connected to the semicircular fitting carrier, which is used to control the semicircular fitting carrier to slide in the semicircular through-shell, and the output end of the second adjusting cylinder is connected to an L-shaped frame, and the end of the L-shaped frame away from the second adjusting cylinder is connected to the semicircular through-shell.

[0014] Preferably, the rotating base includes a gear box, the input end of the gear box is connected to the output end of the rotating drive motor, and the output end of the gear box is fixedly connected to the bottom of the arc-shaped crawling guide rail;

[0015] An arc-shaped crawling rack is fixedly connected to the arc-shaped crawling guide rail, a crawling drive motor is fixedly connected to the mounting platform, a crawling gear is fixedly connected to the output end of the crawling drive motor, and the crawling gear and the arc-shaped crawling rack are meshed with each other.

[0016] Preferably, a defective recycling assembly is provided in the testing table, and the defective recycling assembly includes a first feeding inclined plate, a second feeding inclined plate, a pushing mechanism and a receiving mechanism;

[0017] The first feeding inclined plate and the second feeding inclined plate are fixedly connected to the inner wall of the testing platform. A pushing plate is arranged in the testing platform. The pushing mechanism is arranged below the pushing plate, and the receiving mechanism is arranged above the pushing plate.

[0018] The pushing mechanism includes an electric pushing screw, which is rotatably connected in a nut slide groove, a pushing nut is threadedly connected to the electric pushing screw, a pushing piece is fixedly connected to one side of the pushing nut, the pushing piece is slidably connected in the slot, and the other side of the pushing nut is slidably connected in the nut slide groove.

[0019] Preferably, the material receiving mechanism comprises a special-shaped paving frame, which is fixedly connected to the pushing plate, and is provided with a micro telescopic cylinder, a T-shaped smoothing piece is installed at the working end of the micro telescopic cylinder, and the T-shaped smoothing piece is connected to the special-shaped paving frame by sliding up and down;

[0020] It also includes an L-shaped plate frame, which is fixedly connected to the pushing plate. A through groove is opened at the bottom of the L-shaped plate frame. A toggle motor is arranged on the L-shaped plate frame. A toggle piece is fixedly connected to the output end of the toggle motor. The L-shaped plate frame is connected to a plurality of cross clamping rods for sliding up and down. A buffer elastic piece is sleeved on the cross clamping rod. A clamping roller is rotatably connected to the bottom of the cross clamping rod. A recovery plate is fixedly connected to the pushing plate.

[0021] Preferably, the charge sensing layer includes an electrode film 1, an electrode film 2 and a piezoelectric film.

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

[0023] During the detection of the present invention, after the flexible substrate is fed in by the feeding conveyor belt, the front end is lifted up by the climbing protrusion and is clamped by the clamping component 2. After that, after one end of the flexible substrate passes through between the semicircular laminating carrier and a plurality of electric force-applying rollers, the end of the flexible substrate away from the clamping component 2 is clamped by the clamping component 1. Through the action of the clamping component 1 and the clamping component 2, the flexible substrate is laminated with the charge sensing layer on the semicircular laminating carrier. Before starting the charge sensing layer, the flexible substrate can be reciprocated on the charge sensing layer by the cooperation of the clamping component 1 and the clamping component 2. During the friction process, the flexible substrate is reciprocated at various positions. After that, the charge sensing layer is opened. Through the cooperation of the clamping component 1 and the clamping component 2, the contact between various positions of the flexible substrate and the charge sensing layer is achieved, and the charge density is measured and transmitted to the processor, thereby detecting cracks on the flexible substrate in a bent state of the flexible substrate.

[0024] After the test is completed, qualified flexible substrates are sent out through the discharging conveyor belt, and unqualified flexible substrates are placed in the defective recycling port;

[0025] The present invention can detect cracks on a flexible substrate when the flexible substrate is in a bent state, and the flexible substrate is repeatedly bent before detecting the cracks. Compared with a flexible substrate in a horizontal state, the flexible substrate in a bent state can more accurately detect whether there are cracks during detection, and the detection result is more rigorous and objective. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 For the present invention Figure 5 Sectional view at AA;

[0029] Figure 3 It is a structural schematic diagram of a clamping assembly of the present invention;

[0030] Figure 4 This is a schematic diagram of the structure of the flexible substrate auxiliary bending assembly of the present invention;

[0031] Figure 5 It is a side view of the flexible substrate auxiliary bending assembly of the present invention;

[0032] Figure 6 This is a schematic diagram of the structure of the defective recycling component of the present invention;

[0033] Figure 7 Schematic diagram of the charge sensing layer structure of the present invention.

[0034] In the figure: 1, test table; 100, feed conveyor belt; 1000, climbing protrusion; 101, discharge conveyor belt; 102, defective recycling port; 2, flexible substrate auxiliary bending component; 200, clamping component 1; 2000, x-direction guide rail; 2001, y-direction guide rail; 2002, z-direction cylinder; 2003, clamping actuator 2; 2004, load-bearing slider; 2005, driving motor 1; 2006, first rack; 2007, stabilizing slider; 2008, driving 2009, second rack; 201, clamping assembly 2; 2010, six-axis robot; 2011, clamping actuator 1; 202, arc-shaped auxiliary bending mechanism; 2020, rotating base; 2021, arc-shaped crawling guide rail; 2022, mounting table; 2023, first regulating cylinder; 2024, second regulating cylinder; 2025, L-shaped frame; 2026, gear box; 2027, rotating drive motor; 2028, arc-shaped crawling rack; 202 9. creeping drive motor; 203. electric force roller; 204. semicircular laminating carrier; 205. charge sensing layer; 2050. electrode film 1; 2051. electrode film 2; 2052. piezoelectric film; 206. semicircular through-shell; 3. processor; 300. angle adjustment motor; 301. creeping gear; 4. defective recycling component; 400. feed ramp 1; 401. feed ramp 2; 402. push mechanism; 4020. electric push screw; 402 1. Nut slide; 4022. Pushing nut; 4023. Pushing piece; 4024. Slotting; 403. Receiving mechanism; 4030. Special-shaped paving frame; 4031. Micro telescopic cylinder; 4032. T-shaped smoothing piece; 4033. L-shaped plate frame; 4034. Through slot; 4035. Toggle motor; 4036. Toggle piece; 4037. Cross clamping rod; 4038. Buffer elastic piece; 4039. Clamping roller; 404. Pushing plate; 4040. Recovery plate. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0036] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] The present invention provides the following embodiments

[0038] Example 1

[0039] The embodiment of the present invention provides a crack detection system for a flexible substrate, such as Figure 1-7 As shown, it includes a testing platform 1, on which a feeding conveyor belt 100, a discharging conveyor belt 101 and a defective recycling port 102 are provided, and a flexible substrate auxiliary bending component 2 is provided on the testing platform 1;

[0040] The flexible substrate auxiliary bending component 2 includes a clamping component 1 200, a clamping component 2 201 and an arc-shaped auxiliary bending mechanism 202. The arc-shaped auxiliary bending mechanism 202 includes a semicircular through-shell 206, a semicircular bonding carrier 204 and a plurality of electric force rollers 203. The semicircular bonding carrier 204 is slidably connected in the semicircular through-shell 206. A charge sensing layer 205 is provided on the semicircular bonding carrier 204. A plurality of electric force rollers 203 are rotatably connected to the semicircular through-shell 206. A processor 3 is provided on the detection platform 1. The processor 3 is electrically connected to the charge sensing layer 205 through a signal amplifier.

[0041] Preferably, the transmission directions of the feed conveyor belt 100 and the discharge conveyor belt 101 are perpendicular to each other, and a climbing protrusion 1000 is provided on the feed conveyor belt 100 .

[0042] Preferably, the charge sensing layer 205 includes an electrode film 1 2050 , an electrode film 2051 and a piezoelectric film 2052 .

[0043] The working principle and beneficial effects of the above technical solution are as follows: during the detection, after the flexible substrate is fed in by the feeding conveyor belt 100, the front end is lifted up by the climbing protrusion 1000 and is clamped by the clamping component 201. After that, one end of the flexible substrate passes through between the semicircular bonding carrier 204 and a plurality of electric force rollers 203, and the end of the flexible substrate away from the clamping component 201 is clamped by the clamping component 1 200. Through the action of the clamping component 1 200 and the clamping component 2 201, the flexible substrate is bonded to the charge sensing layer 205 on the semicircular bonding carrier 204. When the charge sensing layer 205 is activated, the charge sensing layer 205 is clamped to the semicircular bonding carrier 204. Before the sensing layer 205, the flexible substrate can be reciprocatedly rubbed on the charge sensing layer 205 by the cooperation of the clamping component 1 200 and the clamping component 2 201, and the reciprocating bending of each position of the flexible substrate can be achieved during the friction process. After that, the charge sensing layer 205 is opened, and the clamping component 1 200 and the clamping component 2 201 cooperate with each other to achieve contact between each position of the flexible substrate and the charge sensing layer 205, and the charge density is measured, and the charge density is transmitted to the processor 3, thereby detecting cracks on the flexible substrate in the bent state of the flexible substrate;

[0044] After the inspection is completed, the qualified flexible substrates are sent out through the discharging conveyor belt 101, and the unqualified flexible substrates are placed in the defective recycling port 102;

[0045] The present invention can detect cracks on a flexible substrate when the flexible substrate is in a bent state, and the flexible substrate is repeatedly bent before detecting the cracks. Compared with a flexible substrate in a horizontal state, the flexible substrate in a bent state can more accurately detect whether there are cracks during detection, and the detection result is more rigorous and objective.

[0046] Example 2

[0047] Based on Example 1, the clamping component 200 includes an x-guide rail 2000, a y-guide rail 2001, a plurality of z-axis cylinders 2002 and a clamping actuator 2003. The x-guide rail 2000 is installed on the detection table 1, the y-guide rail 2001 is slidably connected to the x-guide rail 2000 through a driving component 1, the plurality of z-axis cylinders 2002 and the clamping actuator 2003 are installed on a supporting slider 2004, and the supporting slider 2004 is slidably connected to the y-guide rail 2001 through a driving component 2.

[0048] The working principle and beneficial effects of the above technical solution are as follows: driving component 1 can drive the y-guide rail 2001 to slide on the x-guide rail 2000, driving component 2 can drive the supporting slider 2004 to slide along the y-guide rail 2001, and at the same time, the z-cylinder 2002 can drive the clamping actuator 2003 to move in the vertical direction, thereby realizing flexible adjustment of the clamping actuator 2003 in the x, y and z directions.

[0049] Example 3

[0050] On the basis of Example 2, the driving component 1 includes a driving motor 1 2005 and a first rack 2006, the driving motor 1 2005 is installed on the y-direction guide rail 2001, the output end of the driving motor 1 2005 is fixedly connected with a first gear, the first rack 2006 is fixedly connected to the x-direction guide rail 2000, the first gear and the first rack 2006 are meshed with each other, and a plurality of stable sliders 2007 are installed at the bottom of the y-direction guide rail 2001, and the stable sliders 2007 are slidably connected to the detection platform 1;

[0051] The second driving assembly includes a second driving motor 2008 and a second rack 2009. The second driving motor 2008 is mounted on the bearing slider 2004. The output end of the second driving motor 2008 is fixedly connected with a second gear. The second rack 2009 is fixedly connected to the bearing slider 2004. The second gear and the second rack 2009 are meshed with each other.

[0052] A plurality of angle adjustment motors 300 are fixedly connected to the bearing slider 2004 . The output end of the angle adjustment motor 300 is fixedly connected to the z-direction cylinder 2002 . The output end of the z-direction cylinder 2002 is connected to the clamping actuator 2003 .

[0053] The working principle and beneficial effects of the above technical solution are as follows: the driving motor 1 2005 is started to drive the first gear to rotate, and the rotation of the first gear drives the y guide rail 2001 to slide along the x guide rail 2000 under the action of the first rack 2006, and the stabilizing slider 2007 plays a stabilizing role in the sliding process of the y guide rail 2001, so as to realize the movement of the clamping execution hand 2 2003 in the x direction;

[0054] The second driving motor 2008 is started to drive the second gear to rotate, and the second gear drives the bearing slider 2004 to slide along the y-direction guide rail 2001 under the action of the second rack 2009, thereby realizing the movement of the second clamping actuator 2003 in the y direction;

[0055] By extending and retracting the z-axis cylinder 2002, the second clamping actuator 2003 can be moved in the z-axis. By rotating the angle adjustment motor 300 to drive the second clamping actuator 2003 to rotate, the force on the flexible substrate can be uneven, simulating the force condition of the flexible substrate during actual use.

[0056] Example 4

[0057] On the basis of Example 1, the clamping assembly 201 includes a six-axis robot arm 2010 and a clamping execution hand 2011. The clamping execution hand 2011 is installed at the working end of the six-axis robot arm 2010, and the base of the six-axis robot arm 2010 is slidably connected to the detection platform 1.

[0058] The working principle and beneficial effects of the above technical solution: The design of the six-axis robot arm 2010 can satisfy the application of the flexible substrate picking function and the flexible substrate clamping function.

[0059] Example 5

[0060] On the basis of Example 1, the arc auxiliary bending mechanism 202 also includes a rotating base 2020, on which an arc crawling guide rail 2021 is installed, and a mounting platform 2022 is slidably connected to the arc crawling guide rail 2021, and a first adjusting cylinder 2023 and a second adjusting cylinder 2024 are installed on the mounting platform 2022, and the output end of the first adjusting cylinder 2023 is connected to the semicircular fitting carrier 204, which is used to control the semicircular fitting carrier 204 to slide in the semicircular through-shell 206, and the output end of the second adjusting cylinder 2024 is connected to an L-shaped frame 2025, and one end of the L-shaped frame 2025 away from the second adjusting cylinder 2024 is connected to the semicircular through-shell 206;

[0061] The rotating base 2020 includes a gear box 2026, the input end of the gear box 2026 is connected to the output end of the rotating drive motor 2027, and the output end of the gear box 2026 is fixedly connected to the bottom of the arc-shaped crawling guide rail 2021;

[0062] An arc-shaped crawling rack 2028 is fixedly connected to the arc-shaped crawling guide rail 2021 , a crawling drive motor 2029 is fixedly connected to the mounting platform 2022 , a crawling gear 301 is fixedly connected to the output end of the crawling drive motor 2029 , and the crawling gear 301 and the arc-shaped crawling rack 2028 are meshed with each other.

[0063] The working principle and beneficial effects of the above technical solution are as follows: after the flexible substrate passes through the semicircular laminating carrier 204 and the plurality of electric force rollers 203, when the flexible substrate is tested, the semicircular laminating carrier 204 and the plurality of electric force rollers 203 need to move toward each other until the two sides of the flexible substrate are respectively laminated with the semicircular laminating carrier 204 and the plurality of electric force rollers 203. During the movement, the first regulating cylinder 2023 is extended and the second regulating cylinder 2024 is extended, thereby making the semicircular laminating carrier 204 and the plurality of electric force rollers 203 move toward each other. During the detection process, the electric force roller 203 can be used to rotate the auxiliary clamping component 1 200 and the clamping component 2 201 to achieve fine adjustment of the position of the flexible substrate;

[0064] At the same time, the stress state of the flexible substrate can be adjusted by adjusting the pitch degree of the semicircular through-shell 206. Different stress states can more comprehensively reflect the degree of cracks in the flexible substrate. When adjusting the pitch degree, the crawling drive motor 2029 starts to drive the crawling gear 301 to rotate. The rotation of the crawling gear 301 drives the mounting platform 2022 to slide on the arc-shaped crawling guide rail 2021 under the action of the arc-shaped crawling rack 2028.

[0065] The force state of the flexible substrate can also be adjusted by starting the rotating drive motor 2027 to drive the gear box 2026 to transmit and finally drive the arc-shaped crawling guide rail 2021 to rotate.

[0066] Example 6

[0067] On the basis of Example 1, a defective recovery component 4 is provided in the testing platform 1, and the defective recovery component 4 includes a feed inclined plate 1 400, a feed inclined plate 2 401, a material pushing mechanism 402 and a material receiving mechanism 403;

[0068] The feed inclined plate 1 400 and the feed inclined plate 2 401 are fixedly connected to the inner wall of the testing platform 1. A push plate 404 is provided in the testing platform 1. The push mechanism 402 is provided below the push plate 404. The receiving mechanism 403 is provided above the push plate 404.

[0069] The pushing mechanism 402 includes an electric pushing screw 4020, which is rotatably connected in a nut slide groove 4021, a pushing nut 4022 is threadedly connected to the electric pushing screw 4020, a pushing piece 4023 is fixedly connected to one side of the pushing nut 4022, the pushing piece 4023 is slidably connected in a slot 4024, and the other side of the pushing nut 4022 is slidably connected in the nut slide groove 4021;

[0070] The material receiving mechanism 403 comprises a special-shaped paving frame 4030, which is fixedly connected to the pushing plate 404, and is provided with a micro telescopic cylinder 4031, and a T-shaped smoothing piece 4032 is installed at the working end of the micro telescopic cylinder 4031, and the T-shaped smoothing piece 4032 is connected to the special-shaped paving frame 4030 by sliding up and down;

[0071] It also includes an L-shaped plate frame 4033, which is fixedly connected to the push plate 404. A through slot 4034 is provided at the bottom of the L-shaped plate frame 4033. A toggle motor 4035 is provided on the L-shaped plate frame 4033. A toggle member 4036 is fixedly connected to the output end of the toggle motor 4035. The L-shaped plate frame 4033 is slidably connected to a plurality of cross clamping rods 4037. The cross clamping rods 4037 are sleeved with buffer elastic members 4038. The bottom of the cross clamping rods 4037 is rotatably connected to a clamping roller 4039. A recovery plate 4040 is fixedly connected to the push plate 404.

[0072] The working principle and beneficial effects of the above technical solution are as follows: the unqualified flexible substrate put into the defective recovery port 102 is fed into the feeding inclined plate 2 401 through the feeding inclined plate 1 400, and then falls through the feeding inclined plate 2 401. After falling, the electric pushing screw 4020 rotates to drive the pushing nut 4022 to move, and the movement of the pushing nut 4022 drives the pushing piece 4023 to move, and the unqualified flexible substrate is pushed forward by the pushing piece 4023. When pushing through the T-shaped smoothing piece 4032, it is smoothed by the T-shaped smoothing piece 4032, and then continues to be pushed forward through the through slot 4034 and finally stops at the inclined surface of the recovery plate 4040. The unqualified flexible substrate is retained on the recovery plate 4040, and the cross clamping rod 4037 is pushed upward when entering the recovery plate 4040. The cross clamping rod 4037 and the buffer elastic member 4038 can press the recovered unqualified flexible substrate under the clamping roller 4039. When the next flexible substrate enters the recovery plate 4040, it is inserted under the previous flexible substrate under the action of the inclined surface of the recovery plate 4040, thereby realizing the automatic recovery of the unqualified flexible substrate. During this process, if the flexible substrate cannot be inserted, the toggle motor 4035 drives the toggle member 4036 to rotate, and the flexible substrate is toggled to the bottom of the recovered flexible substrate.

[0073] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A crack detection system for a flexible substrate, characterized in that: The invention comprises a testing platform (1), wherein a feeding conveyor belt (100), a discharging conveyor belt (101) and a defective recovery port (102) are provided on the testing platform (1), and a flexible substrate auxiliary bending component (2) is provided on the testing platform (1); The flexible substrate auxiliary bending component (2) comprises a clamping component 1 (200), a clamping component 2 (201) and an arc-shaped auxiliary bending mechanism (202); the arc-shaped auxiliary bending mechanism (202) comprises a semicircular through-shell (206), a semicircular laminating carrier (204) and a plurality of electric force-applying rollers (203); the semicircular laminating carrier (204) is slidably connected in the semicircular through-shell (206); a charge sensing layer (205) is provided on the semicircular laminating carrier (204); the plurality of electric force-applying rollers (203) are rotatably connected to the semicircular through-shell (206); a processor (3) is provided on the detection platform (1); and the processor (3) is electrically connected to the charge sensing layer (205) via a signal amplifier; The arc-shaped auxiliary bending mechanism (202) further comprises a rotating base (2020), an arc-shaped crawling guide rail (221) being mounted on the rotating base (2020), a mounting platform (222) being slidably connected to the arc-shaped crawling guide rail (2021), a first regulating cylinder (2023) and a second regulating cylinder (2024) being mounted on the mounting platform (222), an output end of the first regulating cylinder (2023) being connected to a semicircular fitting carrier (204) for controlling the semicircular fitting carrier (204) to slide in a semicircular through-shell (206), an output end of the second regulating cylinder (2024) being connected to an L-shaped frame (2025), and an end of the L-shaped frame (2025) away from the second regulating cylinder (2024) being connected to the semicircular through-shell (206); The rotating base (2020) comprises a gear box (2026), the input end of the gear box (2026) is connected to the output end of the rotating drive motor (2027), and the output end of the gear box (2026) is fixedly connected to the bottom of the arc-shaped crawling guide rail (2021); An arc-shaped crawling rack (2028) is fixedly connected to the arc-shaped crawling guide rail (2021), a crawling drive motor (2029) is fixedly connected to the mounting platform (2022), a crawling gear (301) is fixedly connected to the output end of the crawling drive motor (2029), and the crawling gear (301) and the arc-shaped crawling rack (2028) are meshed with each other.

2. A crack detection system for a flexible substrate according to claim 1, characterized in that: The transmission directions of the feed conveyor belt (100) and the discharge conveyor belt (101) are perpendicular to each other, and a climbing protrusion (1000) is provided on the feed conveyor belt (100).

3. The crack detection system for a flexible substrate according to claim 1, characterized in that: The clamping assembly 1 (200) comprises an x-guide rail (2000), a y-guide rail (2001), a plurality of z-direction cylinders (2002) and a clamping actuator 2 (2003); the x-guide rail (2000) is mounted on a detection platform (1); the y-guide rail (2001) is slidably connected to the x-guide rail (2000) via a driving assembly 1; the plurality of z-direction cylinders (2002) and the clamping actuator 2 (2003) are mounted on a bearing slide block (2004); and the bearing slide block (2004) is slidably connected to the y-guide rail (2001) via a driving assembly 2.

4. A crack detection system for a flexible substrate according to claim 3, characterized in that: The driving component 1 comprises a driving motor 1 (2005) and a first rack (2006); the driving motor 1 (2005) is mounted on the y-guide rail (2001); the output end of the driving motor 1 (2005) is fixedly connected to a first gear; the first rack (2006) is fixedly connected to the x-guide rail (2000); the first gear and the first rack (2006) are meshed with each other; a plurality of stabilizing slide blocks (2007) are mounted at the bottom of the y-guide rail (2001); the stabilizing slide blocks (2007) are slidably connected to the detection platform (1); The second driving component comprises a second driving motor (2008) and a second rack (2009); the second driving motor (2008) is mounted on the bearing slider (2004); the output end of the second driving motor (2008) is fixedly connected to a second gear; the second rack (2009) is fixedly connected to the bearing slider (2004); the second gear and the second rack (2009) are meshed with each other; A plurality of groups of angle adjustment motors (300) are fixedly connected to the bearing slide block (2004); the output end of the angle adjustment motor (300) is fixedly connected to the z-direction cylinder (2002); and the output end of the z-direction cylinder (2002) is connected to the second clamping actuator (2003).

5. The crack detection system for a flexible substrate according to claim 1, characterized in that: The clamping assembly 2 (201) comprises a six-axis mechanical arm (2010) and a clamping execution hand 1 (2011), wherein the clamping execution hand 1 (2011) is mounted on the working end of the six-axis mechanical arm (2010), and the base of the six-axis mechanical arm (2010) is slidably connected to the detection platform (1).

6. The crack detection system for a flexible substrate according to claim 1, characterized in that: A defective recycling assembly (4) is provided in the testing table (1), and the defective recycling assembly (4) comprises a first feeding inclined plate (400), a second feeding inclined plate (401), a material pushing mechanism (402) and a material receiving mechanism (403); The first feeding inclined plate (400) and the second feeding inclined plate (401) are fixedly connected to the inner wall of the detection platform (1), a pushing plate (404) is provided in the detection platform (1), a pushing mechanism (402) is arranged below the pushing plate (404), and a receiving mechanism (403) is arranged above the pushing plate (404); The pushing mechanism (402) comprises an electric pushing screw (4020), the electric pushing screw (4020) is rotatably connected in a nut slide groove (4021), a pushing nut (4022) is threadedly connected to the electric pushing screw (4020), a pushing piece (4023) is fixedly connected to one side of the pushing nut (4022), the pushing piece (4023) is slidably connected in a slot (4024), and the other side of the pushing nut (4022) is slidably connected in the nut slide groove (4021).

7. A crack detection system for a flexible substrate according to claim 6, characterized in that: The material receiving mechanism (403) comprises a special-shaped paving frame (4030), the special-shaped paving frame (4030) is fixedly connected to the material pushing plate (404), the special-shaped paving frame (4030) is provided with a micro telescopic cylinder (4031), a T-shaped smoothing piece (4032) is installed at the working end of the micro telescopic cylinder (4031), and the T-shaped smoothing piece (4032) is connected to the special-shaped paving frame (4030) by sliding up and down; The invention also comprises an L-shaped plate frame (4033), wherein the L-shaped plate frame (4033) is fixedly connected to the push plate (404), a through slot (4034) is provided at the bottom of the L-shaped plate frame (4033), a toggle motor (4035) is provided on the L-shaped plate frame (4033), a toggle member (4036) is fixedly connected to the output end of the toggle motor (4035), the L-shaped plate frame (4033) is slidably connected to a plurality of cross clamping rods (4037) in an up-and-down manner, a buffer elastic member (4038) is sleeved on the cross clamping rod (4037), a clamping roller (4039) is rotatably connected to the bottom of the cross clamping rod (4037), and a recovery plate (4040) is fixedly connected to the push plate (404).

8. The crack detection system for a flexible substrate according to claim 1, characterized in that: The charge sensing layer (205) comprises an electrode film 1 (2050), an electrode film 2 (2051) and a piezoelectric film (2052).

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