Feeding equipment for liquid crystal screen panel production

Abstract

The invention discloses feeding equipment for liquid crystal screen panel production, and relates to the field of devices for conveying fragile thin plates. The equipment comprises a base frame, a first conveying part, a second conveying part, a third conveying part and a glass plate conveying part, wherein a transfer part capable of driving a glass plate at the discharging end of the glass plate conveying part to ascend to the position above a second conveying belt or descend is arranged above the second conveying belt; a third baffle is arranged behind the discharging end of the glass plate conveying part, and a trigger rod capable of driving centering rods symmetrically installed on the left side and the right side of the discharging end of the third conveying part to synchronously and oppositely move when the glass plate makes contact with the third baffle is installed on the third baffle. An existing feeding method for liquid crystal screen panel production has the problems that efficiency is low, and the damage risk of a panel and a glass plate is high during production. The equipment is high in efficiency, and the damage risk of the panel and the glass plate is low during production.

Description

Technical Field

[0001] The present invention relates to the field of devices for conveying fragile thin plates, and in particular to a feeding device for producing liquid crystal screen panels. Background Art

[0002] The LCD screen is an active matrix liquid crystal display driven by thin film transistors. Its main structure includes a liquid crystal panel (referred to as the panel) and a backlight module.

[0003] The panel will directly affect the viewing effect of the LCD screen and the cost of the panel usually accounts for more than half of the cost of the entire machine, so the panel is the main factor affecting the cost of the LCD screen. Therefore, in order to better protect the panel, a protective glass layer (also called cover glass, glass plate) is usually required on the panel. The glass plate is obtained by a series of processing of ultra-thin flat glass.

[0004] During production, it is usually necessary to manually move the panel to the designated position, and then manually move the glass plate to the top of the panel with a glass suction cup. After manually confirming the position, clean the bonding surface of the panel and glass plate, stick the double-sided tape along the top edge of the panel, avoiding the necessary interface position, align the panel and glass plate together, and gently press the bonding edges. After the bonding is firm, clean the appearance and then proceed with the subsequent assembly process.

[0005] It can be seen that the existing loading method for LCD screen panel production is mainly manual loading, which is inefficient. When the panel area is large, the risk of the panel and glass plate being broken during production will increase.

[0006] Therefore, the existing loading method for LCD screen panel production has the problems of low efficiency and high risk of damage to the panel and glass plate during production. Summary of the Invention

[0007] The technical problem to be solved by the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a loading device for producing liquid crystal screen panels with high efficiency and low risk of damage to the panels and glass plates during production.

[0008] In order to solve the above technical problems, the present invention provides a loading equipment for the production of liquid crystal screen panels, including a base frame and a first conveyor member, a second conveyor member, and a third conveyor member for conveying panels, which are installed on the base frame in a straight line from front to back and are connected end to end; a glass plate conveyor member for conveying glass plates is arranged below the second conveyor member and the third conveyor member that can rotate synchronously, the unloading end of the glass plate conveyor member is located below the second conveyor member, and a transfer member that can drive the glass plate at the unloading end of the glass plate conveyor member to rise above the second conveyor belt or descend is arranged above the second conveyor belt; a first baffle that can be raised and lowered is arranged between the unloading end of the first conveyor member and the loading end of the second conveyor member, and a second baffle that can be raised and lowered is arranged between the unloading end of the second conveyor member and the loading end of the third conveyor member; a third baffle is arranged behind the unloading end of the glass plate conveyor member, and a trigger rod is installed on the third baffle, which can drive the centering rods symmetrically installed on the left and right sides of the unloading end of the third conveyor member to move toward each other synchronously when the glass plate contacts the third baffle.

[0009] As a further improvement of the present invention: the first conveying member includes a plurality of horizontal first rollers with transmission connections rotatably mounted between the left side wall and the right side wall of the base frame, a horizontal first motor is fixedly mounted on the base frame, and the output shaft of the first motor is coaxially connected to the roller shaft of one of the plurality of first rollers.

[0010] As a further improvement of the present invention: the second conveying member includes a plurality of short roller pairs parallel to each other installed between the left side wall and the right side wall of the base frame, each short roller pair includes a horizontal left short roller rotatably installed on the left side wall of the base frame and a horizontal right short roller rotatably installed on the right side wall of the base frame, and a glass plate passing gap is left between the left short rollers and the right short rollers of the multiple short roller pairs for the glass plates to pass through; the left short rollers in the multiple short roller pairs are transmission connected, and the right short rollers in the multiple short roller pairs are transmission connected.

[0011] Preferably, the third conveying member includes a plurality of horizontal second rollers with transmission connections that are rotatably mounted between the left and right walls of the base frame, a horizontal second motor is fixedly mounted on the base frame, and the output shaft of the second motor is coaxially connected to the roller shaft of one of the plurality of second rollers.

[0012] As a further improvement of the present invention: the glass plate conveyor includes a plurality of horizontal third rollers with transmission connections rotatably mounted between the left and right walls of the U-shaped frame, and a horizontal third motor is fixedly mounted on the U-shaped frame for driving one of the third rollers to rotate.

[0013] As a further improvement of the present invention: the transfer member includes a lifting frame that can be raised and lowered and two vertical first telescopic members for driving the lifting frame to rise and fall; at least two vacuum chambers connected to the vacuum equipment are fixedly installed on the lifting frame, and a suction cup for adsorbing the glass plate is provided at the bottom of the vacuum chamber, and a regulating valve for adjusting the air pressure in the vacuum chamber is installed on the vacuum chamber.

[0014] As a further improvement of the present invention: the first baffle is slidably installed between the left side wall and the right side wall of the base; a horizontal large rotating shaft is provided below the first baffle, and at least two cams that can drive the first baffle to rise and fall when rotating in a horizontal direction are fixedly sleeved on the upper part of the large rotating shaft; a horizontal fourth motor is fixedly installed on one side of the base, and the fourth motor is connected to the large rotating shaft through a second gear transmission member.

[0015] As a further improvement of the present invention: a first connecting rod with one end hinged to the top of the base frame is provided below the left end and the right end of the second baffle, and the end of the first connecting rod away from the base frame is hinged to one end of the second connecting rod; the top of the left side wall and the right side wall of the base frame are respectively fixedly installed with a second vertical rail for the second baffle to slide up and down and a horizontal second telescopic member; a horizontal small shaft is fixedly installed at the top of the telescopic end of the second telescopic member, and the end of the second connecting rod away from the first connecting rod is hinged to the small shaft, and the hinge point of the first connecting rod and the second connecting rod is in contact with the bottom of the left end or right end of the second baffle.

[0016] As a further improvement of the present invention: the trigger rod includes a U-shaped rod that slides back and forth, and the U-shaped rod includes a horizontal rod parallel to the third baffle and two vertical rods that can slide backward in the third baffle under the push of the glass plate; a first return spring is vertically fixedly installed between the horizontal rod and the third baffle; L-shaped rods are respectively installed on the left and right sides of the side of the horizontal rod away from the first return spring, which can push the two centering rods to move synchronously toward each other as the U-shaped rod slides backward.

[0017] As a further improvement of the present invention: a dust suction part is arranged above the glass plate conveyor, and the dust suction part includes a multi-port suction head that can slide left and right for sucking dust from the bottom of the glass plate on the transfer part, a horizontal ball screw and a horizontal fifth motor for driving the ball screw; a screw nut matching the ball screw is provided on the ball screw, one end of the screw nut is fixedly connected to one end of the multi-port suction head, and the multi-port suction head is slidably installed on the horizontal rail at the end away from the screw nut; the multi-port suction head is connected to the vacuum cleaner host for providing suction through a suction pipe.

[0018] The beneficial effects of the present invention are as follows: (1) The loading equipment for producing liquid crystal screen panels provided by the present invention is highly efficient and has a low risk of damage to panels and glass plates during production; because the equipment has a first conveyor member, a second conveyor member, a third conveyor member for conveying panels and a glass plate conveyor member for conveying glass plates, there is no need to manually transport the panels and glass plates to the workstations separately, and each conveyor member can transport the glass plates and panels to the corresponding workstations, which is highly efficient; in addition, the loading ends of the first conveyor member and the glass plate conveyor member are located on the same side, and workers can place the glass plates and panels on the corresponding conveyor members in situ without changing their positions; (2) The glass plate can be centered by cooperating with the trigger rod and the centering rod, and the glass plate can be moved to the top of the panel by cooperating with the transfer member and the first baffle, and the second baffle can limit the position of the panel, so the glass plate and panel can be aligned without the worker confirming the position himself, and the worker only needs to wipe and apply double-sided tape, which greatly reduces the number of work steps, improves efficiency and reduces the probability of damage to the panel or glass plate during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention, the panel, and the glass plate; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 A top view of the first conveying member, the second conveying member, the third conveying member, the first baffle and the second baffle of the present invention; Figure 4 Schematic diagram of the positional relationship between the first conveying member and the first baffle, etc. in the present invention; Figure 5 Schematic diagram of the positional relationship between the second conveying member and the third conveying member in the present invention; Figure 6 Schematic diagram of the positional relationship between the glass plate conveying member, the trigger rod, the centering rod, etc. in the present invention; Figure 7 Schematic diagram of the overall structure of the transfer member in the present invention; Figure 8 Schematic diagram of the overall structure of the second baffle, etc. in the present invention; Figure 9 Schematic diagram of the positional relationship among the glass plate conveying member, the dust cleaning member, the triggering rod, etc. in the present invention; Figure 10 Schematic diagram of the positional relationship between the trigger rod, centering rod, etc. in the present invention; Figure 11 Schematic diagram of the overall structure of the dust cleaning component in the present invention; The names of the components corresponding to the respective marks in the above drawings are: 101, base frame; 102, U-shaped frame; 201, first roller; 202, first motor; 203, first pulley; 211L, left short roller; 211R, right short roller; 212, second pulley; 213, first gear; 214, second gear; 215, third gear; 221, second roller; 222, second motor; 223, third pulley; 3. Glass plate conveyor; 301. Third roller; 302. Third motor; 303. Fourth pulley; 4. Transfer member; 401. Lifting frame; 402. First telescopic member; 403. Vacuum chamber; 404. Suction cup; 405. Regulating valve; 501, first baffle; 502, large rotating shaft; 503, cam; 504, fourth motor; 505, fourth gear; 506, fifth gear; 601, second baffle; 602, first connecting rod; 603, second connecting rod; 604, second telescopic member; 701, third baffle; 7011, shaft sleeve; 801, centering rod; 802, trigger rod; 803, first return spring; 804, second return spring; 9. Dust suction part; 901. Multi-port suction head; 902. Ball screw; 903. Fifth motor. DETAILED DESCRIPTION

[0020] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] The directional words such as "up", "down", "left", "right", "front", "back", "top", and "bottom" mentioned in the present invention are all represented by Figure 3 The direction defined by the cross-shaped orientation marker is used as a reference. All orientation terms in this invention are described based on this definition and do not change with the angle of the figure. A vertical motor means the motor's output shaft is perpendicular to the ground, a horizontal motor means the motor's output shaft is parallel to the ground, a vertical telescopic member means the telescopic end of the telescopic member is perpendicular to the ground, and a horizontal telescopic member means the telescopic end of the telescopic member is parallel to the ground.

[0022] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 9As shown, the present invention provides a loading equipment for producing liquid crystal screen panels, including a base frame 101 and a first conveying member, a second conveying member, and a third conveying member, which are installed on the base frame 101 in a straight line from front to back and are used to convey the panel from front to back; the tops of the first conveying member, the second conveying member, and the third conveying member are located on the same horizontal plane. A glass plate conveyor 3 for conveying glass plates from front to back is arranged below the second conveyor member and the third conveyor member that can rotate synchronously. The loading end of the glass plate conveyor 3 is located below the loading end of the first conveyor member, and the unloading end of the glass plate conveyor 3 is located below the second conveyor member. A transfer member 4 that can drive the glass plate at the unloading end of the glass plate conveyor 3 to rise above or descend the second conveyor belt is arranged above the second conveyor belt; a first baffle 501 that can be raised and lowered for blocking the panel is arranged between the unloading end of the first conveyor member and the loading end of the second conveyor member, and a second baffle 601 that can be raised and lowered is arranged between the unloading end of the second conveyor member and the loading end of the third conveyor member; a third baffle 701 is arranged behind the unloading end of the glass plate conveyor 3, and a trigger rod 802 is installed on the third baffle 701, which can drive the centering rods 801 symmetrically installed on the left and right sides of the unloading end of the third conveyor member to move toward each other synchronously when the glass plate contacts the third baffle 701. The base frame 101 includes a left wall and a right wall parallel to each other and a plurality of supports vertically mounted on the bottom of the left wall and the right wall respectively.

[0023] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown, the first conveying member includes a plurality of horizontal first rollers 201 rotatably mounted between the left and right walls of the base frame 101, with a transmission connection. A horizontal first motor 202 is fixedly mounted on the base frame 101, and the output shaft of the first motor 202 is coaxially transmission-connected to the roller shaft of one of the plurality of first rollers 201. First pulleys 203 are fixedly sleeved on the left and right ends of the roller shafts of the plurality of first rollers 201. The plurality of first pulleys 203 on the left side are connected via a first belt transmission, while the plurality of first pulleys 203 on the right side are connected via a second belt transmission.

[0024] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5As shown, the second conveying member includes a plurality of short roller pairs parallel to each other installed between the left side wall and the right side wall of the base frame 101, each short roller pair includes a horizontal left short roller 211L rotatably installed on the inner side of the left side wall of the base frame 101 and a horizontal right short roller 211R rotatably installed on the inner side of the right side wall of the base frame 101, the center axes of the left short roller 211L and the right short roller 211R are located on the same horizontal line, and a glass plate passing gap is left between the left short roller 211L and the right short roller 211R of the multiple short roller pairs for the glass plate to pass through; the left short rollers 211L in the multiple short roller pairs are transmission connected, and the right short rollers 211R in the multiple short roller pairs are transmission connected. A second pulley 212 is fixedly mounted on the ends of the roller shafts of the left short roller 211L and the right short roller 211R in each short roller pair that are away from each other. The second pulley 212 on each left short roller 211L is connected via a third belt transmission, and the second pulley 212 on each right short roller 211R is connected via a fourth belt transmission. The left short roller 211L and the right short roller 211R in one of the short roller pairs are respectively connected to the roller shaft of one of the second rollers 221 of the third conveying member via a first gear transmission member. The first gear transmission member includes a first gear 213 rotatably mounted on the base frame 101. The gear shaft of the first gear 213 is coaxially connected to the roller shaft of the left short roller 211L or the right short roller 211R. A second gear 214 is rotatably mounted on the base frame 101 and meshes with the first gear 213. A third gear 215 is also rotatably mounted on the base frame 101 and meshes with the second gear 214. The gear shaft of the third gear 215 is connected to one end of the roller shaft of the second roller 221. The third conveying member includes a plurality of horizontal second rollers 221 rotatably mounted between the left and right walls of the base frame 101 and connected to each other. A horizontal second motor 222 is fixedly mounted on the base frame 101. The output shaft of the second motor 222 is coaxially connected to the roller shaft of one of the plurality of second rollers 221. The left and right ends of the roller shafts of the multiple second rollers 221 are fixedly sleeved with third pulleys 223. The multiple third pulleys 223 on the left are connected by the fifth belt transmission, and the multiple third pulleys 223 on the right are connected by the sixth belt transmission.

[0025] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 、 Figure 9As shown, the glass plate conveyor 3 includes a plurality of horizontal third rollers 301 rotatably mounted between the left and right walls of a U-shaped frame 102, with a third motor 302 fixedly mounted on the U-shaped frame 102 for driving one of the third rollers 301. The U-shaped frame 102 includes a horizontal portion and two vertical portions, with the horizontal portion of the U-shaped frame 102 serving as the third baffle 701. The output shaft of the third motor 302 is coaxially connected to the roller shaft of one of the plurality of third rollers 301. Fourth pulleys 303 are fixedly mounted on both the left and right ends of the roller shafts of the plurality of third rollers 301. The plurality of fourth pulleys 303 on the left side are connected via a seventh belt drive, while the plurality of fourth pulleys 303 on the right side are connected via an eighth belt drive.

[0026] like Figure 1 、 Figure 2 、 Figure 7 As shown, the transfer member 4 includes a lifting frame 401 that can be raised and lowered and two vertical first telescopic members 402 for driving the lifting frame 401 to rise and fall; at least two first vertical rails for the lifting frame 401 to slide up and down are installed on the top of the base frame 101; at least two vacuum chambers 403 connected to the vacuum equipment are fixedly installed on the lifting frame 401, and a suction cup 404 for adsorbing the glass plate is provided at the bottom of the vacuum chamber 403, and the side of the suction cup 404 in contact with the glass plate is made of silicone, and a regulating valve 405 for adjusting the air pressure in the vacuum chamber 403 is installed on the vacuum chamber 403. The base frame 101 is symmetrically provided with stopper structures for limiting the lifting travel of the lift 401. These stopper structures comprise horizontal rails mounted vertically on the left or right side walls of the base frame 101. These rails are equipped with sliders that can slide left and right. The top of the sliders is hinged to one end of a third connecting rod, and the other end of the third connecting rod, away from the sliders, is hinged to the side of the lift 401 closest to the horizontal rails. Stopper blocks are provided on the horizontal rails to limit the sliding distance of the sliders. Thus, when the lift 401 descends, the sliders in the two stopper structures slide synchronously on the rails, facing away from each other, until they contact the stopper blocks, marking the lift 401's lowest position. Conversely, when the lift 401 ascends, the sliders in the two stopper structures slide synchronously on the rails, toward each other.

[0027] like Figure 1 、 Figure 2 、 Figure 4As shown, a first baffle 501 is slidably mounted between the left and right walls of the base 101. A protrusion is provided on the surface of the first baffle 501 that contacts the left or right wall, and a vertical slot is provided on each of the left and right walls for the protrusion to slide up and down. A horizontal large rotating shaft 502 is provided below the first baffle 501. The large rotating shaft 502 is rotatably mounted between the left and right symmetrical pillars of the base 101. At least two cams 503 are fixedly mounted on the upper portion of the large rotating shaft 502, which can drive the first baffle 501 up and down when rotating horizontally. A horizontal fourth motor 504 is fixedly mounted on one side of the base 101. The fourth motor 504 is connected to the large rotating shaft 502 via a second gear transmission member. The second gear transmission member includes a fourth gear 505 fixedly mounted on the output shaft of the fourth motor 504. A fifth gear 506 is fixedly mounted on the end of the large rotating shaft 502 near the fourth gear 505 and meshes with the fourth gear 505.

[0028] like Figure 1 、 Figure 2 、 Figure 8 As shown, a first connecting rod 602 with one end hinged to the top of the base frame 101 is provided below the left end and the right end of the second baffle 601, and the end of the first connecting rod 602 away from the base frame 101 is hinged to one end of the second connecting rod 603; the top of the left side wall and the right side wall of the base frame 101 are respectively fixed with a second vertical rail for the second baffle 601 to slide up and down and a horizontal second telescopic member 604; the top of the telescopic end of the second telescopic member 604 is fixed with a horizontal small shaft, and the end of the second connecting rod 603 away from the first connecting rod 602 is hinged to the small shaft, and the hinge point of the first connecting rod 602 and the second connecting rod 603 is in contact with the bottom of the left end or right end of the second baffle 601.

[0029] like Figure 1 、 Figure 2 、 Figure 9 、 Figure 10As shown, the trigger rod 802 includes a U-shaped rod that slides back and forth. The U-shaped rod includes a horizontal rod parallel to the third baffle 701 and two vertical rods that can slide backward in the third baffle 701 under the push of the glass plate. One end of the two vertical rods is vertically fixedly installed on the side of the horizontal rod close to the third baffle 701, and the other end of the two vertical rods passes through the third baffle 701 and extends into the U-shaped frame 102; a first return spring 803 is vertically fixedly installed between the horizontal rod and the third baffle 701; a side of the horizontal rod away from the first return spring 803 is fixedly installed. L-shaped rods are mounted on each side, each capable of pushing two centering rods 801 toward each other as the U-shaped rod slides backward. These rods comprise a first rod parallel to the U-shaped rod's horizontal bar and a second rod capable of pushing the centering rods 801 toward each other as the first rod moves backward. A small pivot is vertically fixed to the bottom of the end of the first rod, away from the U-shaped rod's horizontal bar. The bottom of the pivot is vertically fixed to the top of one end of the second rod. A sleeve 7011 is mounted on the third baffle 701, allowing the pivot to rotate vertically. The centering rod 801 is U-shaped, with its horizontal portion located outside the left or right wall of the U-shaped frame 102. Two vertical portions extend through the left or right wall of the U-shaped frame 102 and into the frame, contacting the left or right side of the glass sheet. The contact surface is made of silicone. A second return spring 804 is vertically fixed between the horizontal portion and the left or right wall of the U-shaped frame 102.

[0030] like Figure 1 、 Figure 2 、 Figure 9 、 Figure 11 As shown, a dust suction member 9 is provided above the glass plate conveyor 3. The dust suction member 9 includes a multi-port suction head 901 that can slide left and right for sucking dust from the bottom of the glass plate on the transfer member 4, a horizontal ball screw 902, and a horizontal fifth motor 903 for driving the ball screw 902. The ball screw 902 is provided with a screw nut that matches the ball screw 902. One end of the screw nut is fixedly connected to one end of the multi-port suction head 901. The end of the multi-port suction head 901 away from the screw nut is slidably mounted on a horizontal rail, which is fixedly mounted between the left and right pillars of the base frame 101. The multi-port suction head 901 is connected to the vacuum main body for providing suction through a suction pipe. The multi-port suction head 901 includes a hollow cylinder with a cavity. The top of the hollow cylinder is provided with multiple suction ports connected to the cavity. The bottom of the hollow cylinder is provided with an interface connected to the cavity for connecting to the suction pipe. In the actual production of panels, all operations need to be carried out in a dust-free workshop, but there will also be tiny dust in the dust-free workshop, especially since the panels and glass plates are usually taken out of boxes sent from outside, and are more likely to be contaminated with dust. The dust on the bonding surface of the glass plate can be sucked away by the dust suction part 9, which is more conducive to improving the quality of the final LCD screen.

[0031] The working principle of the present invention is as follows: a glass plate is placed at the loading end of the glass plate conveyor 3, and the third motor 302 is started. The output shaft of the third motor 302 rotates to drive one of the third rollers 301 to rotate, and the fourth pulley 303 on the left side of the roller shaft of the third roller 301 rotates to drive the seventh belt to rotate, and drives the fourth pulleys 303 on the left side of the roller shaft of the remaining third rollers 301 to rotate, thereby driving multiple third rollers 301 to rotate, and the fourth pulley 303 on the right side of each third roller 301 drives the eighth belt to rotate, and the glass plate is conveyed backward by multiple third rollers 301.

[0032] At the same time, a panel is placed on the loading end of the first conveyor, and the first motor 202 is started. The output shaft of the first motor 202 rotates, driving one of the first rollers 201 to rotate. The first pulley 203 on the left side of the roller shaft of the first roller 201 rotates, driving the first belt to rotate, driving the first pulleys 203 on the left side of the roller shafts of the remaining first rollers 201 to rotate, thereby driving multiple first rollers 201 to rotate. The first pulley 203 on the right side of each first roller 201 drives the second belt to rotate, and the panel is conveyed backward by the multiple first rollers 201. The panel gradually approaches the unloading end of the first conveyor. Initially, the first baffle 501 is at the highest point of its travel. When the panel moves to the first baffle 501, it can be blocked by the first baffle 501 and the first conveyor stops conveying. At this time, the glass plate continues to be conveyed backward on the glass plate conveyor 3 until it contacts the third baffle 701. The glass plate conveyor 3 stops conveying. When the glass plate contacts one end of the two vertical rods of the U-shaped rod in front of the third baffle 701, it pushes the two vertical rods backward, and the two vertical rods of the U-shaped rod drive the horizontal rod of the U-shaped rod to move backward. The return spring 803 gradually extends, and the cross bar of the U-shaped rod drives the end of the first rod close to the cross bar of the U-shaped rod to move backward. The end of the first rod away from the cross bar of the U-shaped rod drives the small shaft to rotate in the shaft sleeve, thereby driving the second rod to rotate, so that the end of the second rod away from the small shaft is close to the U-shaped frame 102, pushing the centering rod 801 to move toward the glass plate, and the second return spring 804 is gradually compressed. Since the two centering rods 801 move toward each other synchronously, the position of the glass plate can be adjusted to push it to the center position, completing its position adjustment.

[0033] When the glass plate stops at the unloading end of the glass plate conveyor 3, the telescopic ends of the two first telescopic members 402 shorten and drive the lifting frame 401 to slide downward on the first vertical rail, driving the two vacuum chambers 403 to move downward, so that the suction cups 404 move downward to contact the glass plate, the vacuum equipment is started, the vacuum chambers 403 start to pump air, so that the suction cups 404 adsorb the glass plate, and then the telescopic ends of the two first telescopic members 402 extend and drive the lifting frame 401 to rise, so that the glass plate starts to rise. After rising a distance, the lifting frame 401 temporarily stays at this height, and the distance between the suction port of the multi-port suction head 901 and the bottom of the glass plate is 2 to 5 meters. cm, the vacuum cleaner main unit is activated to provide suction to the multi-port suction head 901. Simultaneously, the fifth motor 903 is activated, driving the ball screw 902 to rotate, causing the screw nut to slide along the ball screw 902 from left to right. The fifth motor 903 then drives the ball screw 902 to rotate in the opposite direction, causing the screw nut to slide along the ball screw 902 from right to left back to its initial position. This reciprocating movement allows dust to be sucked in during the reciprocating movement, allowing any floating dust on the bottom of the glass sheet (i.e., the contact surface of the glass sheet) and any airborne dust to be drawn into the multi-port suction head 901 through the multiple suction ports for preliminary cleaning, preventing subsequent dust from scratching the bottom of the glass sheet during wiping. After dust collection is complete, the transfer member 4 drives the glass sheet to continue rising until it passes through the gap between the glass sheets and reaches above the second conveyor member, where it remains. After the glass plate is sucked by the suction cup 404 and rises away, the first return spring 803 gradually returns to its initial state to drive the U-shaped rod to move forward, and the second return spring 804 returns to its initial state to drive the two centering rods 801 to move backward synchronously. Driven by the first return spring 803 and the second return spring 804, the trigger rod 802 and the centering rod 801 return to their initial states.

[0034] When the glass sheet is driven by the transfer member 4 to the top of the second conveyor, the fourth motor 504 is activated, driving the fourth gear 505 to rotate. The fourth gear 505 drives the large rotating shaft 502 to rotate through the fifth gear 506. The two cams 503 rotate along with the large rotating shaft. The larger radius portion of the cam 503 gradually moves downward, while the smaller radius portion gradually contacts the first baffle 501. In this way, the first baffle 501 gradually descends until it reaches the lowest point of its travel, where the cam 503 stops. The first conveyor starts to transport the panel backward to the second conveyor. After the panel passes, the fourth motor 504 is activated, causing the cam 503 to continue rotating, and the first baffle 501 gradually rises back to its highest point of its travel.

[0035] The panel continues to move backward on the second conveyor until it contacts the second baffle 601. The second conveyor stops, and the mating surfaces of the panel and glass plate are wiped. Double-sided tape is then applied along the edges of the mating surfaces of the panel, avoiding the necessary interface. After the double-sided tape is applied, the telescopic ends of the two first telescopic members 402 shorten, driving the lifting frame 401 downward, causing the glass plate to continue to slide downward until it contacts the top of the panel. At this point, the glass plate and the panel are aligned and bonded together. Gently pressing the bonding edges, the vacuum equipment stops working, and the air pressure is balanced through the regulating valve 405, slowly releasing the pressure to prevent the glass plate from moving due to the impact force. The suction cup 404 separates from the glass plate. The suction cup 404 is then driven up to the highest point of its travel.

[0036] Initially, the hinge point of the first link 602 and the second link 603 is at the lowest point of its travel. When the panel and the glass plate are framed, the second telescopic member 604 is started, and the telescopic end of the second telescopic member 604 extends, driving the small shaft to move forward, thereby changing the positional relationship between the first link 602 and the second link 603. Their hinge points gradually rise, driving the second baffle 601 to rise, and then making the second baffle 601 stay at the highest point, so that the panel and glass plate that have been framed reach the third conveyor and are transported backward.

[0037] The second motor 222 is started, and the output shaft of the second motor 222 rotates, driving one of the second rollers 221 to rotate. The third pulley 223 on the left side of the roller shaft of the second roller 221 rotates, driving the fifth belt to rotate, driving the third pulleys 223 on the left side of the roller shafts of the remaining second rollers 221 to rotate, driving multiple second rollers 221 to rotate, and the third pulley 223 on the right side of each second roller 221 drives the sixth belt to rotate, and the panel is transported backward by the multiple second rollers 221. As the second rollers 221 rotate, one of the second rollers 221 drives two third gears 215 to rotate. The third gears 215 respectively drive the second gears 214 meshing therewith to rotate. The second gear 214 drives the first gear 213 to rotate. The two first gears 213 respectively drive the left short roller 211L and the right short roller 211R to rotate, thereby synchronously transmitting the second conveying member and the third conveying member. The bonded glass and panel are transferred to the third conveyor and transported backwards, where they are removed at the unloading end of the third conveyor for subsequent processing. Once the bonded panel and glass have passed through, the second telescopic member 604 gradually shortens, causing the second baffle 601 to descend and resume its function of blocking the panel.

Claims

1. A feeding device for producing liquid crystal screen panels, characterized in that: It comprises a base frame (101) and a first conveying member, a second conveying member, and a third conveying member for conveying panels, which are installed on the base frame (101) in a straight line and connected end to end from front to back; A glass plate conveyor (3) for conveying glass plates is provided below the second conveyor and the third conveyor that can rotate synchronously, the unloading end of the glass plate conveyor (3) being located below the second conveyor, and a transfer member (4) capable of driving the glass plate at the unloading end of the glass plate conveyor (3) to rise above or descend the second conveyor. A first baffle (501) capable of being raised and lowered is provided between the unloading end of the first conveying member and the loading end of the second conveying member, and a second baffle (601) capable of being raised and lowered is provided between the unloading end of the second conveying member and the loading end of the third conveying member; A third baffle (701) is provided behind the unloading end of the glass plate conveyor (3), and a trigger rod (802) is installed on the third baffle (701) and is capable of driving centering rods (801) symmetrically installed on the left and right sides of the unloading end of the third conveyor to move synchronously towards each other when the glass plate contacts the third baffle (701).

2. The feeding equipment for producing liquid crystal screen panels according to claim 1, characterized in that: The first conveying member comprises a plurality of horizontal first rollers (201) rotatably mounted between the left side wall and the right side wall of the base frame (101) and connected in a transmission manner; a horizontal first motor (202) is fixedly mounted on the base frame (101); an output shaft of the first motor (202) is coaxially connected in a transmission manner to a roller shaft of one of the plurality of first rollers (201).

3. The feeding equipment for producing liquid crystal screen panels according to claim 1, characterized in that: The second conveying member comprises a plurality of short roller pairs parallel to each other, mounted between the left side wall and the right side wall of the base frame (101); each short roller pair comprises a horizontal left short roller (211L) rotatably mounted on the left side wall of the base frame (101) and a horizontal right short roller (211R) rotatably mounted on the right side wall of the base frame (101); a glass plate passing gap is left between the left short rollers (211L) and the right short rollers (211R) of the plurality of short roller pairs for the glass plates to pass through; the left short rollers (211L) in the plurality of short roller pairs are in transmission connection, and the right short rollers (211R) in the plurality of short roller pairs are in transmission connection.

4. The feeding equipment for producing liquid crystal screen panels according to claim 3, characterized in that: The third conveying member comprises a plurality of horizontal second rollers (221) rotatably mounted between the left side wall and the right side wall of the base frame (101), wherein a horizontal second motor (222) is fixedly mounted on the base frame (101), and an output shaft of the second motor (222) is coaxially connected to a roller shaft of one of the plurality of second rollers (221).

5. The feeding equipment for producing liquid crystal screen panels according to any one of claims 1 to 4, characterized in that: The glass plate conveyor (3) comprises a plurality of transmission-connected horizontal third rollers (301) rotatably mounted between the left and right walls of a U-shaped frame (102); a horizontal third motor (302) for driving one of the third rollers (301) to rotate is fixedly mounted on the U-shaped frame (102).

6. The feeding equipment for producing liquid crystal screen panels according to any one of claims 1 to 4, characterized in that: The transfer member (4) comprises a lifting frame (401) capable of being raised and lowered, and two vertical first telescopic members (402) for driving the lifting frame (401) to rise and fall; At least two vacuum chambers (403) connected to vacuum equipment are fixedly mounted on the lifting frame (401); suction cups (404) for adsorbing glass plates are provided at the bottom of the vacuum chamber (403); and a regulating valve (405) for adjusting the air pressure in the vacuum chamber (403) is installed on the vacuum chamber (403).

7. The feeding equipment for producing liquid crystal screen panels according to any one of claims 1 to 4, characterized in that: The first baffle (501) is slidably mounted between the left and right walls of the base frame (101); a horizontal large rotating shaft (502) is provided below the first baffle (501); at least two cams (503) are fixedly sleeved on the upper portion of the large rotating shaft (502) and are capable of driving the first baffle (501) to rise and fall when rotating in a horizontal direction; a horizontal fourth motor (504) is fixedly mounted on one side of the base frame (101); the fourth motor (504) is transmission-connected to the large rotating shaft (502) via a second gear transmission member.

8. The feeding equipment for producing liquid crystal screen panels according to any one of claims 1 to 4, characterized in that: A first connecting rod (602) having one end hinged to the top of the base frame (101) is provided below the left end and the right end of the second baffle (601), and the end of the first connecting rod (602) away from the base frame (101) is hinged to one end of the second connecting rod (603); a second vertical rail for the second baffle (601) to slide up and down and a horizontal second telescopic member (604) are fixedly installed on the top of the left side wall and the right side wall of the base frame (101); a horizontal small shaft is fixedly installed on the top of the telescopic end of the second telescopic member (604), and the end of the second connecting rod (603) away from the first connecting rod (602) is hinged to the small shaft, and the hinge point of the first connecting rod (602) and the second connecting rod (603) contacts the bottom of the left end or the right end of the second baffle (601).

9. The feeding equipment for producing liquid crystal screen panels according to any one of claims 1 to 4, characterized in that: The trigger rod (802) comprises a U-shaped rod that slides forward and backward, the U-shaped rod comprising a horizontal rod parallel to the third baffle (701) and two vertical rods that can slide backward in the third baffle (701) under the push of the glass plate; a first return spring (803) is vertically fixedly installed between the horizontal rod and the third baffle (701); L-shaped rods capable of sliding backwards with the U-shaped rod to push the two centering rods (801) to move synchronously towards each other are respectively installed on the left and right sides of the side of the cross rod away from the first return spring (803).

10. The liquid crystal display panel production feeding equipment according to any one of claims 1 to 4, characterized in that: A dust suction member (9) is provided above the glass plate conveying member (3), the dust suction member (9) comprising a multi-port suction head (901) capable of sliding left and right for sucking dust from the bottom of the glass plate on the transfer member (4), a horizontal ball screw (902), and a horizontal fifth motor (903) for driving the ball screw (902); The ball screw (902) is provided with a screw nut matching the ball screw (902), one end of the screw nut is fixedly connected to one end of the multi-port suction head (901), and the end of the multi-port suction head (901) away from the screw nut is slidably mounted on the horizontal rail; the multi-port suction head (901) is connected to a vacuum cleaner main unit for providing suction through a suction pipe.

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