A circuit detection device for a touch screen functional chip

Abstract

The present invention relates to the technical field of touch screen functional sheet detection, and in particular to a circuit detection device for a touch screen functional sheet. It comprises: a mounting bracket; a controller, mounted on the mounting bracket; a turntable, rotatably connected to the mounting bracket; a first drive motor, mounted on the mounting bracket, and the output shaft of the first drive motor is connected to the bottom of the turntable; a fixed frame, circumferentially spaced and connected to the top of the turntable. The present invention can realize automatic loading and unloading of touch screen functional sheets through the cooperation of the first electric push rod, the first suction cup and the turntable, thereby improving work efficiency. Specifically, the controller controls the first electric push rod to drive the first suction cup to move back and forth, thereby realizing automatic suction and release of the placement frame, and then combined with the intermittent rotation of the turntable, so that multiple fixed frames are sequentially located at the detection position, thereby realizing continuous automatic detection of touch screen functional sheets. This structure can effectively reduce manual intervention, reduce labor costs, and improve test efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of touch screen functional chip detection, and in particular to a circuit detection device for a touch screen functional chip. Background Art

[0002] With the rapid development of touch screen technology and its widespread application in various electronic products such as smartphones, tablets, laptops, and various intelligent terminal devices, the quality requirements for touch screen functional chips are also increasing. As one of the core components of touch screens, the quality and performance of touch screen functional chips directly affect the user experience of the final product. Therefore, rigorous functional testing of touch screen functional chips is an essential step in the production process.

[0003] Currently, when performing functional testing on touch screen functional sheets, the tester usually manually places the functional sheet to be tested in the working area of ​​the test equipment, adjusts the position of the functional sheet to be tested so that it is aligned with the probe or test contact of the test equipment, and then manipulates the probe or test contact of the test equipment to make precise contact with the binding area of ​​the functional sheet. The test program is then started. After the test is completed, the operator needs to manually remove the tested functional sheet and replace it with a new sample to be tested, and repeat the above steps. Although this traditional testing method is simple and direct, it obviously exposes the problems of low efficiency and high labor costs in the face of large-scale mass production. Especially in the modern manufacturing environment that pursues high output, the time required for each step will accumulate, which will significantly increase the production cycle and reduce overall work efficiency. In addition, manual operation will inevitably introduce the risk of human error, affecting the accuracy of the test results. Summary of the Invention

[0004] In view of this, the present invention provides a circuit detection device for a touch screen functional chip, which can overcome the shortcomings of existing touch screen functional chips that require frequent manual operation when performing functional tests, which is not only time-consuming and labor-intensive, but also has low work efficiency and affects the accuracy of test results.

[0005] The technical solution is: a circuit detection device for a touch screen functional sheet, comprising: a mounting bracket; a controller, mounted on the mounting bracket; a turntable, rotatably connected to the mounting bracket; a first drive motor, mounted on the mounting bracket, and the output shaft of the first drive motor is connected to the bottom of the turntable; a fixed frame, circumferentially connected to the top of the turntable; a first electric push rod, symmetrically mounted on the top of the turntable; a first suction cup, mounted on the telescopic rod of the first electric push rod, and the first suction cup slides through the side of the fixed frame; a test component, arranged on the mounting bracket, for performing functional testing on the touch screen functional sheet; and a material removal component, arranged on the mounting bracket, for removing a touch screen functional sheet with abnormal function from the placement frame.

[0006] Furthermore, the test assembly includes: a guide column connected to the mounting bracket; a second electric push rod symmetrically installed on the mounting bracket; a first lifting plate slidably connected to the guide column, and the first lifting plate is connected to the telescopic rod of the second electric push rod; a partition frame connected to the bottom of the first lifting plate; a connecting frame connected to the bottom of the first lifting plate at intervals; test contacts installed at intervals on the inner side of the connecting frame, the test contacts contacting the binding area of ​​the touch screen functional piece, and capable of performing functional testing on the touch screen functional piece; a marking mechanism arranged on the first lifting plate, for marking the touch screen functional piece with abnormal function in the marking area of ​​the placement frame.

[0007] Furthermore, the marking mechanism includes: a first guide rod, connected to the first lifting plate; a sliding seat, slidably connected to the first guide rod; a screw motor, installed on the first lifting plate, and the screw of the screw motor is threadedly connected to the sliding seat; a sliding sleeve, slidably connected to the sliding seat, and the outer wall of the sliding sleeve is separated by tooth holes; a marking pen, placed on the inner side of the sliding sleeve; a fastening bolt, threadedly connected to the sliding sleeve, and the end of the fastening bolt contacts the marking pen for fixing the marking pen; a second drive motor, installed on the sliding seat; a gear, connected to the output shaft of the second drive motor, and the gear is engaged with the tooth hole.

[0008] Furthermore, the material picking assembly includes: a support frame, connected to the mounting bracket; a second guide rod, symmetrically connected to both sides of the support frame; a third electric push rod, symmetrically installed on both sides of the support frame; a second lifting plate, slidably connected to the second guide rod, and the second lifting plate is connected to the telescopic rod of the third electric push rod; a first linear motor, installed at the bottom of the second lifting plate; a second linear motor, installed on the mover of the first linear motor; a second suction cup, installed on the mover of the second linear motor; a positioning mechanism, arranged on the support frame, for positioning the touch screen function piece with abnormal function in the placement frame.

[0009] Furthermore, the positioning mechanism includes: a mounting rod connected to the top of the support frame; and laser sensors installed at intervals on the mounting rod.

[0010] Furthermore, it also includes: a rotating rod, which is symmetrically connected to the top of the fixed frame, and one end of the rotating rod is opened with a straight hole; a two-way cylinder, which is installed on the top of the fixed frame; a shift rod, which is respectively connected to the telescopic rods on both sides of the two-way cylinder, and the end of the shift rod is located in the straight hole.

[0011] Furthermore, it also includes: a limit block, which is symmetrically slidably connected to the inner side of the fixed frame; and a connecting spring, the two ends of which are respectively connected to the limit block and the fixed frame.

[0012] Furthermore, it also includes: rollers, which are rotatably connected to the top of the turntable at circumferential intervals.

[0013] The beneficial effects are: 1. The present invention can realize automatic loading and unloading of touch screen functional sheets through the cooperation of the first electric push rod, the first suction cup and the turntable, thereby improving work efficiency. Specifically, the controller controls the first electric push rod to drive the first suction cup to move back and forth, thereby realizing automatic suction and release of the placement frame, and then combined with the intermittent rotation of the turntable, so that multiple fixed frames are located in the detection position in turn, thereby realizing continuous automatic detection of touch screen functional sheets. This structure can effectively reduce manual intervention, reduce labor costs, and improve test efficiency.

[0014] 2. The present invention can ensure the test accuracy of the test equipment through the coordinated work of the connecting frame, test contacts and separator. Specifically, during the test process, the first lifting plate drives the connecting frame and the test contacts to move downward, so that the test contacts accurately contact the binding area of ​​the touch screen functional sheet. At the same time, the separator limits the multiple functional sheets to maintain their vertical state, avoiding poor contact problems caused by tilt or misalignment. This multi-component linkage design can improve the test stability and accuracy and ensure the reliability of the test results.

[0015] 3. The present invention can realize automatic identification and removal of defective products through the combined use of a marking mechanism and a laser sensor. Specifically, after the test of the touch screen functional piece is completed, the screw motor drives the sliding seat to drive the marker to mark the marking area where the defective products are located. When the placement frame rotates with the turntable to the bottom of the material picking component, the laser sensor locates the defective products according to the marked position, and guides the second suction cup to accurately take them out and classify them out. The system can realize automatic identification and separation of defective products, avoid human operation errors, and improve the intelligence level of the overall detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the installation of the turntable, the first drive motor, the fixed frame and the first electric push rod of the present invention.

[0018] Figure 3 Schematic diagram of the installation of the test assembly of the present invention.

[0019] Figure 4 The figure is a schematic diagram of the specific structure of the partition frame, the connection frame and the test contacts of the present invention.

[0020] Figure 5 Schematic diagram of the installation of the marking mechanism of the present invention.

[0021] Figure 6 This is a schematic diagram of the installation of the second drive motor and gear of the present invention.

[0022] Figure 7 It is a schematic diagram of the specific structure of the material taking component of the present invention.

[0023] Figure 8 The figure is a schematic diagram of the installation of the rotating rod, the two-way cylinder, the shifting rod, the limit block and the connecting spring of the present invention.

[0024] Figure 9 Schematic diagram of the installation of the roller of the present invention.

[0025] Figure 10 This is a schematic diagram of placing the touch screen function sheet in the placement box.

[0026] Parts names and serial numbers in the figure: 001-Placement frame, 002-Marking area, 003-Touch screen function sheet, 004-Binding area, 1-Mounting bracket, 2-Controller, 3-Turntable, 4-First drive motor, 5-Fixed frame, 6-First electric push rod, 7-First suction cup, 8-Guide column, 9-Second electric push rod, 10-First lifting plate, 11-Partition frame, 12-Connecting frame, 13-Test contact, 14-First guide rod, 15-Sliding seat, 16-Screw motor, 17-Sliding Sleeve, 1701-tooth hole, 18-marker pen, 19-fastening bolt, 20-second drive motor, 21-gear, 22-support frame, 23-second guide rod, 24-third electric push rod, 25-second lifting plate, 26-first linear motor, 27-second linear motor, 28-second suction cup, 29-mounting rod, 30-laser sensor, 32-rotating rod, 3201-slotted hole, 33-bidirectional cylinder, 34-shift rod, 35-limit block, 36-connecting spring, 37-roller. DETAILED DESCRIPTION

[0027] Embodiment: A circuit detection device for a touch screen functional chip, such as Figure 1-Figure 7 As shown, it includes a mounting bracket 1, a controller 2, a turntable 3, a first drive motor 4, a fixed frame 5, a first electric push rod 6, a first suction cup 7, a test component and a material picking component. The controller 2 is installed on the upper rear side of the mounting bracket 1, and the upper front side of the mounting bracket 1 is rotatably connected to the turntable 3. The first drive motor 4 is installed on the upper front side of the mounting bracket 1, and the output shaft of the first drive motor 4 is connected to the bottom of the turntable 3. The front, back, left and right sides of the top of the turntable 3 are all connected with a fixed frame 5. The fixed frame 5 is in the shape of a "U". Two first electric push rods 6 are installed on the front, back, left and right sides of the top of the turntable 3. A first suction cup 7 is installed between the telescopic rods of the two first electric push rods 6. The first suction cup 7 is connected to an air pump through a connecting pipe. The first suction cup 7 corresponds to the fixed frame 5 one by one, and the first suction cup 7 slides through the side of the fixed frame 5. The mounting bracket 1 is provided with a test component for performing functional testing on the touch screen functional sheet 003, and the mounting bracket 1 is provided with a material picking component for removing the touch screen functional sheet 003 with abnormal function in the placement frame 001.

[0028] like Figure 3-Figure 6 As shown, the test assembly includes a guide column 8, a second electric push rod 9, a first lifting plate 10, a partition frame 11, a connecting frame 12, a test contact 13 and a marking mechanism. The rear part of the mounting bracket 1 is connected to the guide column 8, and two second electric push rods 9 are installed at the rear part of the mounting bracket 1. The two second electric push rods 9 are respectively located on the left and right sides of the guide column 8. The first lifting plate 10 is slidably connected to the guide column 8, and the first lifting plate 10 is connected to the telescopic rod of the second electric push rod 9. The rear side of the bottom of the first lifting plate 10 is connected to the partition frame 11. A plurality of connecting frames 12 are connected to the front side of the bottom of the first lifting plate 10 at intervals. A plurality of test contacts 13 are installed at intervals inside the connecting frame 12. The test contacts 13 are externally connected to the test equipment so that the test equipment contacts the binding area 004 of the touch screen functional piece 003 through the test contacts 13, so as to perform a functional test on the touch screen functional piece 003. A marking mechanism is provided on the first lifting plate 10 for marking the touch screen functional piece 003 with abnormal function in the marking area 002 of the placement frame 001; marking machine The structure includes a first guide rod 14, a sliding seat 15, a screw motor 16, a sliding sleeve 17, a marker 18, a fastening bolt 19, a second drive motor 20 and a gear 21. The upper front side of the first lifting plate 10 is connected to the first guide rod 14, and the sliding seat 15 is slidably connected to the first guide rod 14. The upper front side of the first lifting plate 10 is equipped with a screw motor 16, and the screw of the screw motor 16 is threadedly connected to the sliding seat 15. The front of the sliding seat 15 is slidably connected to the sliding sleeve 17, and the rear side of the sliding sleeve 17 is spaced apart. A tooth hole 1701 is opened, a marker pen 18 is placed on the inside of the sliding sleeve 17, a fastening bolt 19 is threadedly connected to the front side of the sliding sleeve 17, and the rear end of the fastening bolt 19 is in contact with the surface of the marker pen 18, which is used to fix the marker pen 18. After loosening the fastening bolt 19, the height of the marker pen 18 can be adjusted, and the marker pen 18 can also be replaced. A second drive motor 20 is installed on the left side of the sliding seat 15, and a gear 21 is connected to the output shaft of the second drive motor 20, and the gear 21 is engaged with the tooth hole 1701.

[0029] like Figure 7As shown, the material picking assembly includes a support frame 22, a second guide rod 23, a third electric push rod 24, a second lifting plate 25, a first linear motor 26, a second linear motor 27, a second suction cup 28 and a positioning mechanism. The right side of the mounting bracket 1 is connected to the support frame 22, and the top of the support frame 22 is provided with an inclined surface. The right parts of the front and rear sides of the support frame 22 are connected to the second guide rod 23, and the left parts of the front and rear sides of the support frame 22 are installed with the third electric push rod 24. The second lifting plate 25 is slidably connected between the upper parts of the two second guide rods 23, and the telescopic movement of the second lifting plate 25 and the third electric push rod 24 is Rod connection, a first linear motor 26 is installed on the left side of the bottom of the second lifting plate 25, a second linear motor 27 is installed on the mover of the first linear motor 26, a second suction cup 28 is installed on the mover of the second linear motor 27, and the second suction cup 28 is connected to an external air pump through a connecting tube. The support frame 22 is provided with a positioning mechanism for positioning the touch screen function piece 003 with abnormal function in the placement frame 001; the positioning mechanism includes a mounting rod 29 and a laser sensor 30, and the mounting rod 29 is connected to the left side of the top of the support frame 22, and laser sensors 30 are installed on the mounting rod 29 at intervals from front to back.

[0030] First, install the device at the designated location so that it is located at the rear side of the conveyor. Then, place the placement frame 001 (such as Figure 10As shown, this is also the loading method in existing processing plants) and is placed on a conveyor. The controller 2 controls the conveyor to intermittently convey the placement frame 001 filled with the touch screen functional sheet 003 to the right. When the placement frame 001 moves to the front of the fixed frame 5 on the front side, the conveyor stops conveying the placement frame 001. At this time, the controller 2 controls the first electric push rod 6 on the front side to drive the first suction cup 7 on the front side to move forward, and controls the first suction cup 7 on the front side to generate suction. When the first suction cup 7 on the front side contacts the placement frame 001, the first suction cup 7 on the front side will suck the placement frame 001, and then the controller 2 controls the first electric push rod 6 on the front side to drive the first suction cup 7 on the front side to move forward, and controls the first suction cup 7 on the front side to generate suction. When the first suction cup 7 on the front side contacts the placement frame 001, the first suction cup 7 on the front side will suck the placement frame 001. An electric push rod 6 drives the first suction cup 7 on the front side to move backward and reset. The first suction cup 7 on the front side will pull the placement frame 001 to move backward to the top of the turntable 3, and the placement frame 001 is located inside the fixed frame 5 on the front side. Then the controller 2 will control the first suction cup 7 on the front side to release the placement frame 001, and control the first drive motor 4 to drive the turntable 3 to rotate ninety degrees. The turntable 3 can drive the fixed frame 5 and the placement frame 001 thereon to rotate, so that the next fixed frame 5 rotates to the back of the conveyor. Repeat the above operation to automatically load the placement frames 001 filled with touch screen functional sheets 003 into the inner sides of the fixed frames 5 in turn.When the placement frame 001 rotates with the turntable 3 to the bottom of the first lifting plate 10, the controller 2 will control the second electric push rod 9 to drive the first lifting plate 10 to move downward, and the first lifting plate 10 will drive the partition frame 11 and the connecting frame 12 to move downward, so that the partition frame 11 and the connecting frame 12 can be placed on the touch screen functional piece 003 in the placement frame 001. At this time, the partition frame 11 and the connecting frame 12 can cooperate to limit each touch screen functional piece 003, so that the touch screen functional piece 003 remains in a vertical state, and the test contact 13 in the connecting frame 12 will contact the binding area 004 on the touch screen functional piece 003. The test equipment can perform a functional test on the touch screen functional piece 003 through the test contact 13, and can feed back the test result data to the controller 2. The controller 2 can control the screw motor 16 to drive the sliding seat 15 to move left and right along the first guide rod 14 according to the test result data. The seat 15 can drive the sliding sleeve 17 and the marker 18 to move left and right, so that the marker 18 moves to the same vertical plane as the malfunctioning touch screen functional piece 003, and then the controller 2 will control the second drive motor 20 to drive the gear 21 to rotate. The gear 21 can drive the sliding sleeve 17 and the marker 18 to move diagonally downward by engaging with the tooth hole 1701, so that the marker 18 can mark a white mark on the marking area 002 of the placement frame 001, and then the controller 2 will control the second drive motor 20 to drive the gear 21 to reverse. The gear 21 can drive the sliding sleeve 17 and the marker 18 to move diagonally upward and reset by engaging with the tooth hole 1701. Then the controller 2 will control the second electric push rod 9 to drive the first lifting plate 10 to move upward and reset. The first lifting plate 10 drives the partition frame 11 and the connecting frame 12 to move upward and reset, so that the partition frame 11 and the connecting frame 12 are separated from the touch screen functional piece 003;Then the placement frame 001 will rotate with the turntable 3 to the bottom of the mounting rod 29. At this time, each laser sensor 30 can detect the position of the white mark in the marking area 002 and feed back the detection data to the controller 2. The controller 2 can control the first linear motor 26 to drive the second linear motor 27 and the second suction cup 28 to move back and forth according to the detection data, so that the second suction cup 28 moves to the top of the front side of the touch screen function piece 003 that is not functioning properly. Then the controller 2 will control the third electric push rod 24 to drive the second lifting plate 25 to move downward, driving the second suction cup 2 8 moves downward to the front side of the malfunctioning touch screen functional piece 003, and controls the second suction cup 28 to generate suction to suck the malfunctioning touch screen functional piece 003, and then the controller 2 controls the third electric push rod 24 to drive the second lifting plate 25 to move upward to reset, and the malfunctioning touch screen functional piece 003 can be driven by the second suction cup 28 to move upward and separate from the placement frame 001, and then the controller 2 controls the second linear motor 27 to drive the second suction cup 28 to move right to the upper side of the inclined surface of the support frame 22, and then the controller 2 controls the second suction cup 2 8 Release the malfunctioning touch screen functional piece 003, so that the malfunctioning touch screen functional piece 003 can fall onto the slope and slide to the right along the slope for discharge. At the same time, the controller 2 will control the second linear motor 27 to drive the second suction cup 28 to move to the left and reset; then the placement frame 001 will rotate back to the rear of the conveyor with the turntable 3. At this time, the controller 2 will control the first suction cup 7 to move forward, pushing the placement frame 001 to move forward to the conveyor, and the placement frame 001 with the touch screen functional piece 003 after the inspection can be moved to the conveyor. The conveyor unloads the material to the right, and the conveyor can transport the next placement frame 001 containing the touch screen functional piece 003 to the right to the first suction cup 7. Repeat the above operation to automatically perform function tests on each touch screen functional piece 003. At this time, the conveyor uses the device as the dividing line. The part of the conveyor on the left side of the device can automatically load the placement frame 001 containing the touch screen functional piece 003 to be tested, while the part of the conveyor on the right side of the device can automatically unload the placement frame 001 containing the touch screen functional piece 003 after testing.

[0031] like Figure 8 As shown, it also includes a rotating rod 32, a two-way cylinder 33 and a shift rod 34. The tops of the four fixed frames 5 are symmetrically connected to two rotating rods 32. The ends of the rotating rods 32 close to the openings of the fixed frames 5 are tilted outward, and the ends of the rotating rods 32 away from the openings of the fixed frames 5 are each provided with a straight hole 3201. The tops of the four fixed frames 5 are each installed with a two-way cylinder 33. The telescopic rods on both sides of the two-way cylinder 33 are connected to shift rods 34. The shift rods 34 correspond to the straight holes 3201 one by one, and the ends of the shift rods 34 are located in the straight holes 3201.

[0032] When the conveyor conveys the placement frame 001 to the front of the fixed frame 5, the controller 2 can first control the two-way cylinder 33 to drive the levers 34 on both sides to move away from each other. The lever 34 can drive the rotating rod 32 to rotate by cooperating with the straight hole 3201, so that the end of the rotating rod 32 close to the opening of the fixed frame 5 moves toward the side close to each other. When the end of the rotating rod 32 contacts the placement frame 001, it can push the placement frame 001 to move to the center and straighten it. Then, the controller 2 will control the two-way cylinder 33 to drive the levers 34 on both sides to move to the side close to each other and reset. The lever 34 can drive the rotating rod 32 to reverse and reset, so that the end of the rotating rod 32 is separated from the placement frame 001. Then, the controller 2 will control the first suction cup 7 to move forward to suck the placement frame 001, and then control the first suction cup 7 to pull the placement frame 001 backward for automatic loading. Through the centering function of the rotating rod 32, it is ensured that the placement frame 001 can accurately enter the inner side of the fixed frame 5.

[0033] like Figure 8 As shown, it also includes limit blocks 35 and connecting springs 36. The inner sides of the openings of the four fixed frames 5 are symmetrically and slidably connected with two limit blocks 35, the sides of the two limit blocks 35 approaching each other are both arc surfaces, and the sides of the two limit blocks 35 away from each other are connected with a connecting spring 36 between the fixed frame 5; when the first suction cup 7 pulls the placement frame 001 to move backward and enter the inner side of the fixed frame 5, the placement frame 001 will squeeze the limit blocks 35 on both sides to move away from each other, and the connecting springs 36 are compressed. When the placement frame 001 completely enters the inner side of the fixed frame 5, the placement frame 001 will disengage from the limit blocks 35. At this time, the connecting springs 36 will return to their original state, driving the limit blocks 35 on both sides to move back to the side close to each other, so that the limit blocks 35 block the front side of the placement frame 001, thereby limiting the placement frame 001 and preventing the placement frame 001 from moving during the rotation of the turntable 3.

[0034] like Figure 9 As shown, it also includes rollers 37. There are multiple rollers 37 connected to the four sides of the top of the turntable 3, front, back, left and right, and they are rotated at intervals, and the rollers 37 are located on the inner side of the fixed frame 5; the rollers 37 can reduce the friction between the bottom of the placement frame 001 and the top of the turntable 3, making it easier for the placement frame 001 to move, load and unload materials.

Claims

1. A circuit detection device for a touch screen functional sheet, comprising: a mounting bracket (1); characterized in that, The invention also includes: a controller (2) mounted on the mounting bracket (1); a turntable (3) rotatably connected to the mounting bracket (1); a first drive motor (4) mounted on the mounting bracket (1), and an output shaft of the first drive motor (4) is connected to the bottom of the turntable (3); a fixed frame (5) connected to the top of the turntable (3) at circumferential intervals; a first electric push rod (6) symmetrically mounted on the top of the turntable (3); a first suction cup (7) mounted on the telescopic rod of the first electric push rod (6), and the first suction cup (7) slides through the side of the fixed frame (5); a test component is arranged on the mounting bracket (1) for A function test is performed on the touch screen functional sheet (003); a material taking component is arranged on the mounting bracket (1) and is used to take out the touch screen functional sheet (003) with abnormal function in the placement frame (001); the test component includes: a guide column (8) connected to the mounting bracket (1); a second electric push rod (9) symmetrically mounted on the mounting bracket (1); a first lifting plate (10) slidably connected to the guide column (8), and the first lifting plate (10) is connected to the telescopic rod of the second electric push rod (9); a partition frame (11) connected to the bottom of the first lifting plate (10); a connecting frame (12) spaced apart and connected to the guide column (8); and a connecting frame (12) spaced apart and connected to the guide column (8). Connected to the bottom of the first lifting plate (10); a test contact (13) is installed at intervals on the inner side of the connection frame (12), the test contact (13) contacts the binding area (004) of the touch screen functional sheet (003), and can perform a functional test on the touch screen functional sheet (003); a marking mechanism is provided on the first lifting plate (10) and is used to mark the touch screen functional sheet (003) with abnormal function in the marking area (002) of the placement frame (001); the marking mechanism includes: a first guide rod (14) connected to the first lifting plate (10); a sliding seat (15) slidably connected to the first guide rod (14); a screw motor (16) is mounted on the first lifting plate (10), and the screw of the screw motor (16) is threadedly connected to the sliding seat (15); a sliding sleeve (17) is slidably connected to the sliding seat (15), and the outer wall of the sliding sleeve (17) is spaced apart with tooth holes (1701); a marking pen (18) is placed on the inner side of the sliding sleeve (17); a fastening bolt (19) is threadedly connected to the sliding sleeve (17), and the end of the fastening bolt (19) contacts the marking pen (18) for fixing the marking pen (18); a second driving motor (20) is mounted on the sliding seat (15); The gear (21) is connected to the output shaft of the second drive motor (20), and the gear (21) is meshed with the tooth hole (1701).

2. A circuit detection device for a touch screen functional sheet according to claim 1, characterized in that: The material picking assembly includes: a support frame (22), connected to the mounting bracket (1); a second guide rod (23), symmetrically connected to both sides of the support frame (22); a third electric push rod (24), symmetrically installed on both sides of the support frame (22); a second lifting plate (25), slidably connected to the second guide rod (23), and the second lifting plate (25) is connected to the telescopic rod of the third electric push rod (24); a first linear motor (26), installed at the bottom of the second lifting plate (25); a second linear motor (27), installed on the mover of the first linear motor (26); a second suction cup (28), installed on the mover of the second linear motor (27); and a positioning mechanism, provided on the support frame (22), for positioning the touch screen function piece (003) with abnormal function in the placement frame (001).

3. A circuit detection device for a touch screen functional sheet according to claim 2, characterized in that: The positioning mechanism includes: a mounting rod (29) connected to the top of the support frame (22); and a laser sensor (30) installed on the mounting rod (29) at intervals.

4. A circuit detection device for a touch screen functional sheet according to claim 1, characterized in that: The invention also includes: a rotating rod (32) symmetrically connected to the top of the fixed frame (5), and a straight hole (3201) is opened at one end of the rotating rod (32); a bidirectional cylinder (33) installed at the top of the fixed frame (5); and a shifting rod (34) respectively connected to the telescopic rods on both sides of the bidirectional cylinder (33), and the end of the shifting rod (34) is located in the straight hole (3201).

5. A circuit detection device for a touch screen functional sheet according to claim 1, characterized in that: It also includes: a limit block (35) symmetrically slidably connected to the inner side of the fixed frame (5); and a connecting spring (36) with two ends respectively connected to the limit block (35) and the fixed frame (5).

6. A circuit detection device for a touch screen functional sheet according to claim 1, characterized in that: It also includes rollers (37) that are rotatably connected to the top of the turntable (3) at intervals in the circumferential direction.

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