Pre-pasting machine glass substrate loading device based on red light detection

Abstract

The utility model discloses a glass substrate feeding device of a pre-pasting machine based on red light detection, which relates to the technical field of glass substrate processing and transportation, and includes: a support, on the upper side of the support is fixedly connected with a detection bin, and both inner walls on the upper ends of both sides of the detection bin are connected with a lead screw through bearings; a moving motor, fixedly connected to one side of the upper end of the detection bin, and the driving end of the moving motor is connected to one end of the lead screw located outside the detection bin through a coupling. The glass substrate feeding device of the pre-pasting machine based on red light detection disclosed by the utility model adopts an infrared emitter and an infrared receiver to detect the horizontal deviation of the glass substrate without contacting the body, avoiding damage to the surface of the glass body caused by traditional rigid contact detection. At the same time, under the action of the pressure sensor, the rotating gear shaft and the fixed gear ring in the deviation correction component, the vertical and horizontal deviations of the glass substrate can be quickly corrected, and the flexible clamping of the suction cup is used to ensure the product quality.

Description

Technical Field

[0001] This utility model relates to the field of glass substrate processing and transportation technology, and in particular to a glass substrate feeding device for a pre-mounting machine based on red light detection. Background Technology

[0002] The glass substrate of the pre-mount machine is a key component used for high-precision chip packaging in LCD manufacturing. First, the glass substrate is accurately fed onto the worktable by a feeding device. Then, it is pre-pressed under high temperature and precise pressure to ensure that the chip and the substrate do not slip and that the circuit is connected. Finally, the conductive adhesive is cured under higher temperature and pressure to achieve stable interconnection of the line spacing and form a qualified display module. When infrared light passes through ordinary glass, it usually undergoes significant attenuation, mainly due to interface reflection and the strong absorption of the glass material in the mid- and far-infrared bands.

[0003] When the pre-attachment machine is working, the glass substrate needs to be positioned accurately without any deviation. Most existing pre-attachment machine glass substrate feeding devices use rigid clamping to detect glass substrate deviation. Due to the fragile nature of glass substrate, rigid clamping can easily cause scratches and breakage of the glass substrate during long-term operation, and the detection and correction are too limited, reducing work efficiency and failing to guarantee product quality. Utility Model Content

[0004] This utility model discloses a glass substrate feeding device for a pre-mounting machine based on red light detection, which aims to solve the technical problems of existing pre-mounting machines using rigid clamping for glass substrate offset detection, which easily leads to glass scratches and breakage, and has limited correction capability, affecting efficiency and product quality.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a glass substrate feeding device for a pre-mounting machine based on red light detection, comprising: a support, a detection chamber fixedly connected to the upper side of the support, and lead screws connected to the inner walls of both sides of the upper end of the detection chamber via bearings; a moving motor fixedly connected to one side of the upper end of the detection chamber, the drive end of the moving motor being connected to the end of the lead screw located outside the detection chamber via a coupling; a moving block sleeved on the outer wall of the lead screw, the upper end of the moving block being slidably connected to the sliding groove provided in the inner wall of the upper end of the detection chamber, and an electric telescopic rod fixedly connected to the lower side of the moving block; a glass substrate disposed on the upper side of the support; and a correction component disposed on the lower side of the electric telescopic rod, the correction component being used to correct the offset of the glass substrate in the horizontal and vertical directions, so that the position of the glass substrate entering the next stage is more accurate.

[0006] In a preferred embodiment, the correction assembly includes: a fixed cylinder, fixedly connected to the telescopic end of the electric telescopic rod, a fixed plate fixedly connected to the upper side of the fixed cylinder, a drive motor fixedly connected to the upper side of the fixed plate, a rotating hole opened on the side of the fixed plate below the drive motor, a rotating gear shaft connected inside the rotating hole via a bearing, and the drive end of the drive motor connected to the end of the rotating gear shaft located on the upper side of the fixed plate via a coupling; a pressure detection chamber, connected to the lower side of the fixed cylinder via a bearing, a fixed gear ring fixedly connected to the upper side of the pressure detection chamber, and the tooth grooves on the inner wall of the fixed gear ring meshing with the tooth blocks of the rotating gear shaft.

[0007] In a preferred embodiment, the correction assembly further includes: pressure sensors, multiple pressure sensors being equally spaced on the upper inner wall of the pressure detection chamber, each pressure sensor having a fixed sleeve fixedly connected to one side, and each fixed sleeve having an adjusting rod inside; suction cups, multiple suction cups being disposed at the bottom end of the corresponding adjusting rods; and compression springs, multiple compression springs being sleeved on the outer wall of the corresponding adjusting rods, each compression spring being located inside the corresponding fixed sleeve, with one end of the compression springs fixedly connected to the inner wall of the corresponding fixed sleeve and the other end fixedly connected to the outer wall of the corresponding adjusting rod. The disc shaft is connected to the inside of the disc rotating hole opened on the lower side of the pressure detection chamber via bearings. A rotary motor is fixedly connected to the lower inner wall of the pressure detection chamber. The drive end of the rotary motor is connected to the end of the disc shaft located inside the pressure detection chamber via a coupling. The rotating disc is connected to the outer wall of the disc shaft located on the lower side of the pressure detection chamber via bearings. On the side of the rotating disc away from the pressure detection chamber, one end of multiple movable connecting rods is connected at equal intervals via bearings. The other end of the multiple movable connecting rods is sleeved with the corresponding adjusting rod located on the outer wall of the lower side of the pressure detection chamber. The adjusting rod slides vertically in the through hole of the movable connecting rod.

[0008] In a preferred embodiment, two lifting cylinders are fixedly connected at equal intervals to the upper side of the support. Infrared receivers are respectively installed at the telescopic ends of the two lifting cylinders, located directly below the correction assembly. Infrared emitters are respectively installed above the two infrared receivers, with their upper sides fixedly connected to the upper inner wall of the detection chamber. The two infrared emitters are located on both sides of the lead screw. Feeding rotary holes are equally spaced on the inner wall of the end of the support away from the detection chamber. Feeding shafts are connected to the two feeding rotary holes via bearings. A common feeding conveyor belt is installed on the outer wall of the two feeding shafts, and a glass substrate is placed on the feeding conveyor belt. The end of the conveyor belt is located inside the detection chamber. A sensor plate is installed on the upper side of the support near the end of the feeding conveyor belt. A feeding motor is fixedly connected to one side of the outer wall of the support. The drive end of the feeding motor is connected to one end of one of the feeding shafts via a coupling. A feeding baffle is fixedly connected to the upper end of the support near the feeding conveyor belt. The two feeding baffles are located on both sides of the feeding conveyor belt. A discharge baffle is fixedly connected to the side of the detection chamber away from the feeding baffle. Discharge holes are equally spaced on opposite sides of the discharge baffle. Discharge shafts are connected inside the two discharge holes via bearings. The outer walls of the two discharge shafts are equipped with the same discharge conveyor belt. The beginning of the discharge conveyor belt is located inside the detection chamber.

[0009] As can be seen from the above, the glass substrate feeding device for pre-mounting machine based on red light detection provided by this utility model has the ability to detect the horizontal displacement of the glass substrate by using an infrared transmitter and an infrared receiver without contacting the main body, thus avoiding damage to the surface of the glass body caused by traditional rigid contact detection. At the same time, the vertical and horizontal displacement of the glass substrate can be quickly corrected simultaneously by the pressure sensor, rotating gear shaft and fixed gear ring in the correction component. Furthermore, the product quality is ensured by using a suction cup for flexible clamping. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of the glass substrate feeding device for a pre-attachment machine based on red light detection proposed in this utility model.

[0011] Figure 2 This is a side cross-sectional view of the glass substrate feeding device for a pre-attachment machine based on red light detection proposed in this utility model.

[0012] Figure 3 This is a schematic diagram of the overall structure of the correction component of the glass substrate feeding device for a pre-attach machine based on red light detection proposed in this utility model.

[0013] Figure 4 This is a schematic diagram of the internal structure of the correction component of the glass substrate feeding device for a pre-attach machine based on red light detection proposed in this utility model.

[0014] Figure 5 This is a schematic diagram of the internal structure of the pressure detection chamber of the glass substrate feeding device for a pre-attachment machine based on red light detection proposed in this utility model.

[0015] Figure 6 This is a bottom view of the pressure detection chamber of the glass substrate feeding device for a pre-attachment machine based on red light detection proposed in this utility model.

[0016] In the attached diagram: 1. Support; 2. Feed conveyor belt; 3. Feed baffle; 4. Glass substrate; 5. Detection chamber; 6. Discharge conveyor belt; 7. Discharge shaft; 8. Discharge baffle; 9. Discharge motor; 10. Feed shaft; 11. Feed motor; 12. Correction assembly; 1201. Fixed cylinder; 1202. Drive motor; 1203. Fixed plate; 1204. Rotary gear shaft; 1205. Fixed gear ring; 1206. Pressure detection chamber; 12 07. Suction cup; 1208. Pressure sensor; 1209. Fixed sleeve; 1210. Rotary motor; 1211. Compression spring; 1212. Adjusting rod; 1213. Disc shaft; 1214. Rotating disc; 1215. Movable connecting rod; 13. Electric telescopic rod; 14. Infrared transmitter; 15. Lead screw; 16. Moving motor; 17. Induction plate; 18. Lifting cylinder; 19. Infrared receiver; 20. Moving block. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] The glass substrate feeding device for pre-mounting machines disclosed in this utility model based on red light detection is mainly used in scenarios where existing pre-mounting machines for glass substrate offset detection mostly adopt rigid clamping methods, which easily lead to glass scratches and breakage, and have limited correction capabilities, affecting efficiency and product quality.

[0019] Reference Figures 1-4A glass substrate feeding device for a pre-mounting machine based on red light detection includes: a support 1, a detection chamber 5 fixedly connected to the upper side of the support 1, and lead screws 15 connected to the inner walls of both sides of the upper end of the detection chamber 5 via bearings; a moving motor 16 fixedly connected to one side of the upper end of the detection chamber 5, the drive end of the moving motor 16 being connected to the end of the lead screw 15 located outside the detection chamber 5 via a coupling; a moving block 20 sleeved on the outer wall of the lead screw 15, the upper end of the moving block 20 being slidably connected to the sliding groove provided in the inner wall of the upper end of the detection chamber 5, and an electric telescopic rod 13 fixedly connected to the lower side of the moving block 20; a glass substrate 4 disposed on the upper side of the support 1; and a correction component 12 disposed on the lower side of the electric telescopic rod 13, the correction component 12 being used to correct the offset of the glass substrate 4 in the horizontal and vertical directions, so that the position of the glass substrate 4 entering the next stage is more accurate.

[0020] Reference Figures 1-6 In a preferred embodiment, the correction assembly 12 includes: a fixed cylinder 1201, fixedly connected to the telescopic end of the electric telescopic rod 13; a fixed plate 1203 is fixedly connected to the upper side of the fixed cylinder 1201; a drive motor 1202 is fixedly connected to the upper side of the fixed plate 1203; a rotating hole is provided on the side of the fixed plate 1203 below the drive motor 1202; a rotating gear shaft 1204 is connected to the inside of the rotating hole via a bearing; the drive end of the drive motor 1202 is connected to the end of the rotating gear shaft 1204 located on the upper side of the fixed plate 1203 via a coupling; and a pressure detection chamber 1206, connected to the lower side of the fixed cylinder 1201 via a bearing; a fixed gear ring 1205 is fixedly connected to the upper side of the pressure detection chamber 1206; the tooth grooves on the inner wall of the fixed gear ring 1205 mesh with the tooth blocks of the rotating gear shaft 1204.

[0021] In this scheme, the correction assembly 12 further includes: pressure sensors 1208, multiple pressure sensors 1208 are equally spaced on the upper inner wall of the pressure detection chamber 1206, and a fixing sleeve 1209 is fixedly connected to one side of each pressure sensor 1208, with an adjusting rod 1212 respectively inside the fixing sleeve 1209; suction cups 1207, multiple suction cups 1207 are respectively disposed at the bottom end of the corresponding adjusting rod 1212; compression springs 1211, multiple compression springs 1211 are respectively sleeved on the outer wall of the corresponding adjusting rod 1212, and the multiple compression springs 1211 are respectively located inside the corresponding fixing sleeve 1209, with one end of the multiple compression springs 1211 fixedly connected to the inner wall of the corresponding fixing sleeve 1209, and the other end fixedly connected to the outer wall of the corresponding adjusting rod 1212; and a circular... The rotating shaft 1213 is connected to the inside of the rotating hole of the disc opened on the lower side of the pressure detection chamber 1206 via a bearing. A rotary motor 1210 is fixedly connected to the lower inner wall of the pressure detection chamber 1206. The drive end of the rotary motor 1210 is connected to one end of the rotating shaft 1213 located inside the pressure detection chamber 1206 via a coupling. The rotating disc 1214 is connected to the outer wall of the lower end of the rotating shaft 1213 located in the pressure detection chamber 1206 via a bearing. On the side of the rotating disc 1214 away from the pressure detection chamber 1206, one end of a plurality of movable connecting rods 1215 are connected at equal intervals via bearings. The other end of the plurality of movable connecting rods 1215 is sleeved with the corresponding adjusting rod 1212 located on the outer wall of the lower side of the pressure detection chamber 1206. The adjusting rod 1212 slides vertically in the through hole of the movable connecting rod 1215.

[0022] When using the glass substrate feeding device of the pre-attachment machine based on red light detection, the vertical and horizontal offsets of the glass substrate 4 can be quickly corrected simultaneously by the pressure sensor 1208, the rotating gear shaft 1204 and the fixed gear ring 1205 in the correction component 12. This improves work efficiency while the suction cup 1207 flexibly clamps the product to ensure quality. At the same time, multiple movable connecting rods 1215 rotate with the rotating disk 1214 and lock the corresponding adjusting rods 1212 to prevent them from falling off and causing offset damage when transported to the next stage after inspection.

[0023] Reference Figures 1-3In a preferred embodiment, two lifting cylinders 18 are fixedly connected at equal intervals to the upper side of the support 1. Infrared receivers 19 are respectively installed at the telescopic ends of the two lifting cylinders 18, located directly below the correction assembly 12. Infrared emitters 14 are respectively installed directly above the two infrared receivers 19, with their upper sides fixedly connected to the upper inner wall of the detection chamber 5. The two infrared emitters 14 are located on both sides of the lead screw 15. Feeding rotating holes are equally spaced on the inner wall of the end of the support 1 away from the detection chamber 5. Feeding rotating shafts 10 are connected to the two feeding rotating holes via bearings. A common feeding conveyor belt 2 is installed on the outer wall of the two feeding rotating shafts 10. A glass substrate 4 is placed on the feeding conveyor belt 2. The end of belt 2 is located inside the detection chamber 5. A sensor plate 17 is provided on the upper side of the support 1 near the end of the feeding conveyor belt 2. A feeding motor 11 is fixedly connected to one side of the outer wall of the support 1. The drive end of the feeding motor 11 is connected to one end of one of the feeding shafts 10 through a coupling. A feeding baffle 3 is fixedly connected to the upper end of the support 1 near the feeding conveyor belt 2. The two feeding baffles 3 are located on both sides of the feeding conveyor belt 2. A discharge baffle 8 is fixedly connected to the side of the detection chamber 5 away from the feeding baffle 3. Discharge holes are opened at equal intervals on opposite sides of the discharge baffle 8. Discharge shafts 7 are connected inside the two discharge holes through bearings. The same discharge conveyor belt 6 is provided on the outer wall of the two discharge shafts 7. The beginning of the discharge conveyor belt 6 is located inside the detection chamber 5.

[0024] When using the glass substrate feeding device of the pre-attach machine based on red light detection, the horizontal displacement of the glass substrate 4 is detected by using an infrared transmitter 14 and an infrared receiver 19 without contact with the main body, thus avoiding damage to the surface of the glass body 4 caused by traditional rigid contact detection.

[0025] Working principle: When using the glass substrate feeding device of the pre-mounting machine based on red light detection, the operator first transports the glass substrate 4 through the previous processing area to the feeding conveyor belt 2. By turning on the feeding motor 11, the feeding conveyor belt 2 is rotated, transporting the glass substrate 4 into the detection chamber 5. When the glass substrate 4 touches the sensing plate 17, the feeding conveyor belt 2 stops working. Then, the moving motor 16 is turned on, driving the lead screw 15 to rotate, causing the moving block 20 to move along the lead screw 15 towards the feeding conveyor belt 2. When the moving block 20 moves directly onto the glass substrate 4... At this time, the electric telescopic rod 13 is activated to lower the correction assembly 12 until the multiple suction cups 1207 in the correction assembly 12 adsorb onto the surface of the glass substrate 4. During this process, the multiple suction cups 1207 flexibly clamp the glass substrate 4, preventing scratches and wear on the surface of the glass substrate 4. After the glass substrate 4 is clamped and fixed, the electric telescopic rod 13 retracts to raise the glass substrate 4. Under the action of the lead screw 15, the glass substrate 4 is transported between the infrared receiver 19 and the infrared transmitter 14, and then... Two lifting cylinders 18 are activated simultaneously to continuously lift two infrared receivers 19, bringing them into contact with and pressing them against the lower ends of the glass substrate 4. While the glass substrate 4 is being pressed, multiple adjusting rods 1212, corresponding to multiple suction cups 1207, move upwards along the fixed sleeve 1209 against the elastic force of the compression spring 1211 and contact the pressure sensor 1208. When the glass substrate 4 does not deflect vertically, the multiple pressure sensors 1208 experience the same pressure simultaneously, which then controls the rotary motor 1210 to drive the disc shaft 1. 213 causes the rotating disk 1215 to rotate. When the rotating disk 1214 rotates, multiple movable connecting rods 1214 rotate with the rotating disk 1214 and lock the corresponding adjusting rods 1212 to prevent them from falling off and causing displacement damage when transported to the next stage after testing. When the glass substrate 4 deflects in the vertical direction, it is only necessary to continuously control the two lifting cylinders 18 and the two infrared receivers 19 to squeeze the glass substrate 4 until the pressure values ​​of multiple pressure sensors 1208 are equal, and then lock the multiple adjusting rods 1212.After the vertical offset of the glass substrate 4 is corrected, under normal conditions, the infrared light emitted by the infrared emitter 14 passes through the glass substrate 4 and is received by the infrared receiver 19. At this time, the signal strength received by each infrared receiver 19 is equal. If the glass substrate 4 is offset horizontally, the infrared light received by the infrared receiver 19 at the offset position has not been attenuated by the refraction of the glass substrate 4. The infrared signal strength received by this infrared receiver 19 is higher than the infrared signal strength of the other infrared receivers 19 that are blocked, that is, the glass substrate 4 is detected. If a horizontal deviation occurs, the drive motor 1202 is quickly activated to rotate the gear shaft 1204, causing the fixed gear ring 1205 to mesh with it, thus rotating the entire correction assembly 12. This corrects the horizontally deviated glass substrate 4 until the intensity of the infrared signal received by the infrared receiver 19 is the same, indicating successful correction. Then, the control screw 15 and the electric telescopic rod 13 move the corrected glass substrate 4 onto the discharge conveyor belt 6. The discharge motor 9 is then activated to precisely feed the glass substrate 4 onto the discharge conveyor belt 6 into the next stage, and the above process is repeated.

[0026] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. A pre-pasting machine glass substrate loading device based on red light detection, characterized in that, include: Support (1), with a test chamber (5) fixedly connected to the upper side of the support (1), and a lead screw (15) connected to the inner walls of the upper two sides of the test chamber (5) via bearings; a moving motor (16), fixedly connected to one side of the upper end of the test chamber (5), and the drive end of the moving motor (16) connected to the end of the lead screw (15) located outside the test chamber (5) via a coupling; a moving block (20), sleeved on the outer wall of the lead screw (15), and the upper end of the moving block (20) slidably connected to the sliding groove provided in the inner wall of the upper end of the test chamber (5), and an electric telescopic rod (13) fixedly connected to the lower side of the moving block (20); a glass substrate (4), set on the upper side of the support (1); a correction component (12), set on the lower side of the electric telescopic rod (13), and the correction component (12) is used to correct the offset of the glass substrate (4) in the horizontal and vertical directions, so that the position of the glass substrate (4) entering the next stage is more accurate.

2. The red light detection based pre-tacking cover glass substrate feeding device according to claim 1, wherein, The correction assembly (12) includes: a fixed cylinder (1201), which is fixedly connected to the telescopic end of the electric telescopic rod (13). A fixed plate (1203) is fixedly connected to the upper side of the fixed cylinder (1201). A drive motor (1202) is fixedly connected to the upper side of the fixed plate (1203). A rotating hole is opened on the side of the fixed plate (1203) below the drive motor (1202). A rotating gear shaft (1204) is connected inside the rotating hole through a bearing. The drive end of the drive motor (1202) is connected to the end of the rotating gear shaft (1204) located on the upper side of the fixed plate (1203) through a coupling. A pressure detection chamber (1206) is connected to the lower side of the fixed cylinder (1201) through a bearing. A fixed gear ring (1205) is fixedly connected to the upper side of the pressure detection chamber (1206). The tooth groove on the inner wall of the fixed gear ring (1205) meshes with the tooth block of the rotating gear shaft (1204). 3.The red light detection based pre-tacking cover glass substrate feeding device according to claim 2, wherein, The correction assembly (12) further includes: pressure sensors (1208), multiple pressure sensors (1208) are equally spaced on the upper inner wall of the pressure detection chamber (1206), and a fixing sleeve (1209) is fixedly connected to one side of each of the multiple pressure sensors (1208), and an adjusting rod (1212) is provided inside each of the multiple fixing sleeves (1209); suction cups (1207), multiple suction cups (1207) are respectively provided at the bottom end of the corresponding adjusting rod (1212); compression springs (1211), multiple compression springs (1211) are respectively sleeved on the outer wall of the corresponding adjusting rod (1212), and the multiple compression springs (1211) are respectively located inside the corresponding fixing sleeves (1209), one end of each compression spring (1211) is fixedly connected to the inner wall of the corresponding fixing sleeve (1209), and the other end is fixedly connected to the outer wall of the corresponding adjusting rod (1212); and a disc. A rotating shaft (1213) is connected to the inside of a disc rotating hole on the lower side of the pressure detection chamber (1206) via a bearing. A rotary motor (1210) is fixedly connected to the lower inner wall of the pressure detection chamber (1206). The drive end of the rotary motor (1210) is connected to the end of the disc rotating shaft (1213) located inside the pressure detection chamber (1206) via a coupling. A rotating disc (1214) is connected to the disc rotating shaft (1213) located inside the pressure detection chamber (1206) via a bearing. On the outer wall of one end of the lower side of the detection chamber (1206), a rotating disc (1214) is connected at equal intervals to one end of a plurality of movable connecting rods (1215) via bearings on the side away from the pressure detection chamber (1206). The other end of the plurality of movable connecting rods (1215) is fitted with the corresponding adjusting rod (1212) located on the outer wall of the lower side of the pressure detection chamber (1206). The adjusting rod (1212) slides vertically in the through hole of the movable connecting rod (1215).

4. The glass substrate feeding device for a pre-mounting machine based on red light detection according to claim 1, characterized in that, Two lifting cylinders (18) are fixedly connected at equal intervals on the upper side of the support (1). Infrared receivers (19) are respectively provided at the extension and retraction ends of the two lifting cylinders (18). The two infrared receivers (19) are located directly below the correction component (12).

5. The glass substrate feeding device for a pre-mounting machine based on red light detection according to claim 4, characterized in that, Infrared transmitters (14) are respectively arranged directly above the two infrared receivers (19). The upper sides of the two infrared transmitters (14) are fixedly connected to the upper inner wall of the detection chamber (5). The two infrared transmitters (14) are located on both sides of the lead screw (15).

6. The glass substrate feeding device for a pre-mounting machine based on red light detection according to claim 1, characterized in that, The support (1) has feeding holes at equal intervals on the inner wall of the end away from the detection chamber (5). The two feeding holes are connected to a feeding shaft (10) through a bearing. The outer wall of the two feeding shafts (10) is provided with the same feeding conveyor belt (2). A glass substrate (4) is placed on the feeding conveyor belt (2). The end of the feeding conveyor belt (2) is located inside the detection chamber (5). The support (1) is provided with an induction plate (17) on the upper side near the end of the feeding conveyor belt (2). A feeding motor (11) is fixedly connected to one side of the outer wall of the support (1). The drive end of the feeding motor (11) is connected to one end of one of the feeding shafts (10) through a coupling. A feeding baffle (3) is fixedly connected to the upper end of the support (1) near the feeding conveyor belt (2). The two feeding baffles (3) are located on both sides of the feeding conveyor belt (2). A discharge baffle (8) is fixedly connected to the side of the detection chamber (5) away from the feeding baffle (3).

7. The glass substrate feeding device for a pre-mounting machine based on red light detection according to claim 6, characterized in that, The discharge baffle (8) has discharge rotating holes at equal intervals on opposite sides. The discharge rotating holes are connected to discharge rotating shafts (7) through bearings. The outer walls of the two discharge rotating shafts (7) are provided with the same discharge conveyor belt (6). The beginning of the discharge conveyor belt (6) is located inside the detection chamber (5).

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