Quick feeding device for QLED display screen film pasting equipment

Abstract

The invention relates to the technical field of film pasting equipment, in particular to a quick feeding device for QLED display screen film pasting equipment, which comprises a film feeding mechanism and a stand column positioned on one side of the film feeding mechanism, a motor is fixedly connected to the upper end of the stand column, a rotating plate is fixedly connected to the output end of the motor, an air cylinder is fixedly connected to the upper end of the rotating plate, and a sleeve block is fixedly connected to the bottom end of the air cylinder. According to the quick feeding device for the QLED display screen film pasting equipment, when a sleeve block moves downwards, a film is adsorbed and moved out of a film conveying mechanism through an air spraying opening, when the sleeve block moves upwards, air is sprayed out of the air spraying opening, then pressure can be generated on the film, and when the sleeve block moves upwards, connecting rods on the two sides enable two arc-shaped blocks to rotate upwards, so that the two arc-shaped blocks rotate upwards; therefore, when the air nozzles eject air, the film can be extruded and attached from the middle to the two sides, the film cannot deviate, the notch of the air nozzle close to the middle faces the middle position of the placing table on the lower side, and bubbles in the middle of the film can be completely expelled out.

Description

Technical Field

[0001] The present invention relates to the technical field of film laminating equipment, and in particular to a fast feeding device for a QLED display screen film laminating equipment. Background Art

[0002] Display screens are common electronic display devices in our lives, including QLED curved display screens. In order to protect the surface of the display screen, a protective film is usually required. Some films are hard and cannot be rolled together, so a robotic arm is used to transport the films to the display screen separately, and then the film is applied. During the film application process, bubbles will be generated on the surface of the film, and a bubble elimination device is required to eliminate the bubbles. In existing devices, in order to reduce damage to the film, a pressure roller is usually used to roll back and forth on the surface of the display screen to drive away the bubbles. However, when the pressure roller rolls, the film may be unevenly applied and offset.

[0003] For example, in the invention with publication number CN116198819A, the two shells can be transformed from a vertically parallel state to a relatively open state and the opening angle can continue to increase. During the opening process, the film sticking assembly can be driven to move synchronously, so that the film sticking assembly moves from the middle to both sides to complete the film sticking, which can effectively reduce the hidden bubbles and ensure the flatness of the film.

[0004] In the above invention, due to the circular design of the pasting rollers, the workpiece is located in the area between the two pasting rollers and cannot form a good contact with the pasting rollers, that is, the film pasting quality of the workpiece in the area between the two pasting rollers cannot be guaranteed. Therefore, when the pasting roller contacts the workpiece, it can drive the pasting roller to do left and right reciprocating motion first, and then move closer to the middle to make the two brackets contact, and finally the two pasting rollers move from the middle to both sides, so as to achieve effective film pasting on the middle part of the workpiece. However, if bubbles are generated in the middle position where the film and the workpiece are attached, even if the pasting rollers do left and right reciprocating motion, after the two pasting rollers move from the middle to both sides, the bubbles in the middle will remain between the film and the workpiece, so that the bubbles that may be generated cannot be completely discharged, and when the two pasting rollers do left and right reciprocating motion first, the two pasting rollers will move in the same direction, which may cause the film to move during attachment, thereby reducing the film attachment quality. Summary of the invention

[0005] In order to solve the above problems, the present invention provides a fast feeding device for a QLED display screen film laminating device.

[0006] The present invention adopts the following technical scheme, a fast feeding device for a QLED display screen film pasting device, comprising a film feeding mechanism and a column located on one side of the film feeding mechanism, the upper end of the column is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating plate, the upper end of the rotating plate is fixedly connected to a cylinder, the bottom end of the cylinder is fixedly connected to a sleeve block, a placement block is placed on the lower side of the sleeve block, an electric push rod is provided on the placement block, and the extended end of the electric push rod is fixedly connected to a moving platform, the moving platform is slidably arranged on the upper end of the placement block, and the moving platform is fixedly connected to the placement platform, and further comprises:

[0007] A vacuum pump, which absorbs and adheres the film by suction and blowing, respectively, and the vacuum pump is arranged on a side wall of the sleeve block;

[0008] A reversing mechanism, which switches the vacuum pump between the suction state and the blowing state, and the reversing mechanism is arranged on the moving platform;

[0009] A steering mechanism, when spraying air to the film, moves the gas from the middle to both sides, so as to make the film sticking and bubble removal more uniform, and the steering mechanism is arranged in the sleeve block;

[0010] And a pressure changing mechanism, when the sleeve block moves upward, the air pressure sprayed on the membrane gradually increases, so that the pressure on the membrane can be kept unchanged without affecting the efficiency of the sleeve block in transporting the membrane. The pressure changing mechanism is arranged in the sleeve block.

[0011] As a further description of the above technical solution: the steering mechanism includes two connecting rods rotatably arranged in the sleeve block, the two connecting rods are symmetrically arranged, a fixed column is fixedly connected to the sleeve block, two rotating sleeves are rotatably arranged on the outer wall of the fixed column, the two rotating sleeves are respectively connected to the two connecting rods, a torsion spring is fixedly connected between the inner wall of the rotating sleeve and the fixed column, and the outer walls of the two rotating sleeves are located on the other side of the connected connecting rod and are respectively fixed with a shift block 1 and a shift block 2, an extrusion block is fixedly connected to the sleeve block, and the lower side of the extrusion block is located on the moving platform and is fixed with a fixed plate, a side wall of the fixed plate close to the rotating sleeve is provided with a projection opening at both opposite ends, a slider is movably inserted in the projection opening, an end of the slider close to the rotating sleeve and an end away from the rotating sleeve are provided with an inclined surface 1, a side wall of the slider is movably inserted with an insertion rod, and a spring 2 is fixedly connected between one end of the insertion rod located in the slider and the slider, one side of the insertion rod is provided with two slots on the fixed plate, and a slot is provided in the slot, the insertion rod is inserted in one of the slots, and a rubber pad is bonded in the slot.

[0012] As a further description of the above technical solution: the switching mechanism includes a fixed plate, a conductive block is provided on the upper side of the fixed plate, the conductive block is slidably arranged in the sleeve block up and down, a spring 1 is fixedly connected between the upper end of the conductive block and the sleeve block, a rubber plate is provided on one side of the conductive block, and the rubber plate is bonded to the sleeve block, the rubber plate is in contact with the sleeve block, and a conductive sheet 1 and a conductive sheet 2 are provided on the other side of the conductive block, and the conductive sheet 1 and the conductive sheet 2 are arranged opposite to each other up and down, and the conductive sheet 1 and the conductive sheet 2 are in contact with the conductive block.

[0013] As a further description of the above technical solution: the transformer mechanism includes two arc blocks, the two arc blocks are rotatably arranged in the sleeve block, and the bottom ends of the two arc blocks extend to the lower side of the sleeve block, the bottom end of the arc block is provided with an air jet, the upper side of the air jet is connected with a connecting port, and the connecting port is provided on the outer wall of the arc block, the connecting port is in conflict with the sleeve block, one side of the connecting port is provided with an air guide groove on the sleeve block, and the air guide groove is connected to the connecting port, and the air guide grooves on both sides are connected to the air pump.

[0014] As a further description of the above technical solution: two opposite sides of the insertion rod are provided with inclined surfaces 2.

[0015] As a further description of the above technical solution: after the conductive sheet 1 and the conductive sheet 2 are connected, the air extraction direction of the air extraction pump can be changed.

[0016] As a further description of the above technical solution: a plurality of the air jets are arranged at equal intervals, and the notches of the air jets close to the middle face the middle position of the lower placement table.

[0017] As a further description of the above technical solution: the width of the air guide groove gradually decreases from bottom to top.

[0018] The present invention provides a fast feeding device for a QLED display screen film laminating device through improvement, which has the following improvements and advantages compared with the prior art:

[0019] First, when the set block moves upward, the connecting rods on both sides make the two arc blocks rotate upward, so that when the air jets eject gas, the film can be squeezed and laminated from the middle to both sides without causing the film to shift. In addition, the notch of the air jet near the middle faces the middle position of the lower placement table, so that the bubbles in the middle of the film can also be completely driven out, thereby improving the film lamination quality.

[0020] Second, when the sleeve block moves downward, the air jet adsorbs and removes the film from the film feeding mechanism. When the sleeve block moves upward, the conductive block contacts the conductive sheet 1 and the conductive sheet 2, and gas is ejected from the air jet, thereby generating pressure on the film.

[0021] Thirdly, when the sleeve moves upward, the area of ​​the connecting port and the air guide groove will gradually decrease. The reduction of the air outlet can increase the air pressure. The sleeve moves upward while jetting air. Under the premise of not affecting the efficiency of the sleeve to transport the film, the pressure on the film can be kept constant, ensuring the efficiency of transporting the film and keeping the air pressure stable.

[0022] To summarize, when the sleeve block moves downward, the jet port absorbs and removes the film from the film conveying mechanism, and when the sleeve block moves upward, gas is ejected from the jet port, thereby generating pressure on the film, and when the sleeve block moves upward, the connecting rods on both sides rotate the two arc blocks upward, so that the jet port can squeeze and fit the film from the middle to both sides when ejecting gas, and will not cause the film to shift. The notch of the jet port near the middle faces the middle position of the lower placement table, so that the bubbles in the middle of the film can also be completely driven out, and when the sleeve block moves upward, the connecting port area of ​​the connecting port and the air guide groove will gradually decrease, and the air pressure will increase. The sleeve block will eject gas while rising, so that the pressure on the membrane will remain unchanged without affecting the efficiency of the sleeve block in transporting the film, thereby ensuring the efficiency of transporting the film and keeping the air pressure stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments:

[0024] Figure 1 A schematic structural diagram of a fast feeding device for a QLED display screen film laminating device provided by an embodiment of the present invention;

[0025] Figure 2 A schematic diagram of the structure of a set of blocks provided in an embodiment of the present invention;

[0026] Figure 3 A three-dimensional cross-sectional view of a set block provided in an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of the structure of the air guide groove provided in an embodiment of the present invention;

[0028] Figure 5 A schematic diagram of the structure of a rotating sleeve provided in an embodiment of the present invention;

[0029] Figure 6 A three-dimensional cross-sectional view of a fixing plate provided in an embodiment of the present invention;

[0030] Figure 7 A schematic diagram of the structure of a slider provided by an embodiment of the present invention;

[0031] Figure 8 A schematic diagram of the structure of the plunger provided in an embodiment of the present invention;

[0032] Fig. 9 A three-dimensional cross-sectional view of an arc block provided by an embodiment of the present invention;

[0033] Fig.10 for Figure 3 Enlarged view of point A in the middle.

[0034] In the figure: 1, film feeding mechanism; 2, column; 3, motor; 4, rotating plate; 5, cylinder; 6, sleeve block; 7, placement block; 8, moving table; 9, electric push rod; 10, placement table; 11, vacuum pump; 12, reversing mechanism; 121, fixed plate; 122, conductive block; 123, rubber plate; 124, spring 1; 125, conductive sheet 1; 126, conductive sheet 2; 127, extrusion block; 13, voltage conversion mechanism; 131. arc block; 132. air guide groove; 133. jet nozzle; 134. connection port; 14. steering mechanism; 141. connecting rod; 142. rotating sleeve; 143. shift block 1; 144. fixing column; 145. torsion spring; 146. shift block 2; 147. extension port; 148. slider; 149. inclined plane 1; 1410. slot; 1411. plug rod; 1412. spring 2; 1413. inclined plane 2. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below with reference to specific diagrams. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0036] See also Figure 1 - Fig.10 The embodiment of the present invention provides a technical solution: a fast feeding device for a QLED display screen film laminating device, comprising a film feeding mechanism 1 and a column 2 located on one side of the film feeding mechanism 1, a motor 3 is fixedly connected to the upper end of the column 2, a rotating plate 4 is fixedly connected to the output end of the motor 3, a cylinder 5 is fixedly connected to the upper end of the rotating plate 4, a sleeve block 6 is fixedly connected to the bottom end of the cylinder 5, a placement block 7 is placed on the lower side of the sleeve block 6, an electric push rod 9 is provided on the placement block 7, and a moving platform 8 is fixedly connected to the extended end of the electric push rod 9, the moving platform 8 is slidably arranged on the upper end of the placement block 7, and a placement platform 10 is fixedly connected to the moving platform 8, and also includes:

[0037] A vacuum pump 11, which absorbs and adheres the film by suction and blowing, and the vacuum pump 11 is arranged on a side wall of the sleeve block 6;

[0038] The reversing mechanism 12 switches the vacuum pump 11 between the suction state and the blowing state, and the reversing mechanism 12 is arranged on the moving platform 8;

[0039] The steering mechanism 14 moves the gas from the middle to both sides when spraying the film, so as to make the film sticking and bubble removal more uniform. The steering mechanism 14 is arranged in the sleeve block 6;

[0040] And the pressure changing mechanism 13 makes the air pressure sprayed on the membrane gradually increase when the sleeve block 6 moves upward, so that the pressure on the membrane can be kept unchanged without affecting the efficiency of the sleeve block 6 in transporting the membrane. The pressure changing mechanism 13 is arranged in the sleeve block 6.

[0041] Specifically, when the sleeve block 6 moves downward, the air jet 133 absorbs and removes the film from the film feeding mechanism 1. When the sleeve block 6 moves upward, the conductive block 122 contacts the conductive sheet 1 125 and the conductive sheet 2 126, and the gas is ejected from the air jet 133, thereby generating pressure on the film. When the sleeve block 6 moves upward, the connecting rods 141 on both sides rotate the two arc blocks 131 upward, so that the air jet 133 can squeeze and fit the film from the middle to both sides when ejecting gas, without causing the film to deviate, and close to the film. The notch of the middle jet outlet 133 faces the middle position of the lower placement table 10, so that the bubbles in the middle of the film can be completely driven out, thereby improving the film sticking quality. When the sleeve block 6 moves upward, the connecting port area of ​​the connecting port 134 and the air guide groove 132 will gradually decrease. The reduction of the air outlet can increase the air pressure. The sleeve block 6 ejects air while rising, which can keep the pressure on the film unchanged without affecting the efficiency of the sleeve block 6 in transporting the film, thereby ensuring the efficiency of transporting the film and keeping the air pressure stable.

[0042] In another embodiment provided by the present invention, the steering mechanism 14 includes two connecting rods 141 rotatably arranged in the sleeve block 6, the two connecting rods 141 are symmetrically arranged, a fixed column 144 is fixedly connected to the sleeve block 6, and two rotating sleeves 142 are rotatably arranged on the outer wall of the fixed column 144, the two rotating sleeves 142 are respectively connected to the two connecting rods 141, a torsion spring 145 is fixedly connected between the inner wall of the rotating sleeve 142 and the fixed column 144, and the outer walls of the two rotating sleeves 142 are located on the other side of the connected connecting rod 141, and a shift block 143 and a shift block 2 146 are respectively fixedly connected, and an extrusion block 127 is fixedly connected to the sleeve block 6, and the lower side of the extrusion block 127 is located on the movable platform 8 and fixedly connected to a fixed plate 121, and the fixed plate A projection 147 is provided at two opposite ends of a side wall of 121 close to the rotating sleeve 142, a slider 148 is movably inserted in the projection 147, an end of the slider 148 close to the rotating sleeve 142 and an end away from the rotating sleeve 142 are provided with an inclined surface 149, an insertion rod 1411 is movably inserted into one side wall of the slider 148, and a spring 2 1412 is fixedly connected between the end of the insertion rod 1411 located in the slider 148 and the slider 148, two slots 1410 are provided on one side of the insertion rod 1411 on the fixed plate 121, and a slot 1410 is provided in the slot 1410, the insertion rod 1411 is inserted in one of the slots 1410, and a rubber pad is bonded in the slot 1410.

[0043] Two opposite sides of the insert rod 1411 are provided with inclined surfaces 1413 .

[0044] Specifically, when the sleeve block 6 moves upward, the connecting rods 141 on both sides cause the two arc blocks 131 to rotate upward, so that the air jet 133 can squeeze and fit the film from the middle to both sides when ejecting gas, without causing the film to shift, and the notch of the air jet 133 near the middle faces the middle position of the lower placement table 10, so that the bubbles in the middle of the film can also be completely driven out, thereby improving the quality of film sticking.

[0045] In another embodiment provided by the present invention, the reversing mechanism 12 includes a fixed plate 121, a conductive block 122 is provided on the upper side of the fixed plate 121, the conductive block 122 is slidably arranged in the sleeve block 6 up and down, a spring 124 is fixedly connected between the upper end of the conductive block 122 and the sleeve block 6, a rubber plate 123 is provided on one side of the conductive block 122, and the rubber plate 123 is bonded to the sleeve block 6, the rubber plate 123 is in contact with the sleeve block 6, and a conductive sheet 125 and a conductive sheet 2 126 are provided on the other side of the conductive block 122 on the sleeve block 6, and the conductive sheet 125 and the conductive sheet 2 126 are arranged opposite to each other up and down, and the conductive sheet 125 and the conductive sheet 2 126 are in contact with the conductive block 122.

[0046] When the conductive sheet 1 125 and the conductive sheet 2 126 are connected, the air extraction direction of the air extraction pump 11 can be changed.

[0047] Specifically, when the sleeve block 6 moves downward, the air jet 133 absorbs and removes the film from the film feeding mechanism 1. When the sleeve block 6 moves upward, the conductive block 122 contacts both the conductive sheet 1 125 and the conductive sheet 2 126, and gas is ejected from the air jet 133, thereby generating pressure on the film.

[0048] In another embodiment provided by the present invention, the transformer mechanism 13 includes two arc blocks 131, which are rotatably arranged in the sleeve block 6, and the bottom ends of the two arc blocks 131 extend to the lower side of the sleeve block 6, and a jet port 133 is provided at the bottom end of the arc block 131, and a connecting port 134 is connected to the upper side of the jet port 133, and the connecting port 134 is provided on the outer wall of the arc block 131, and the connecting port 134 is in conflict with the sleeve block 6, and an air guide groove 132 is provided on one side of the connecting port 134 on the sleeve block 6, and the air guide groove 132 is connected to the connecting port 134, and the air guide grooves 132 on both sides are connected to the air pump 11.

[0049] A plurality of air jets 133 are arranged at equal intervals, and the notches of the air jets 133 near the middle face the middle of the lower placement table 10 .

[0050] The width of the air guide groove 132 gradually decreases from bottom to top.

[0051] Specifically, when the sleeve block 6 moves upward, the area of ​​the connecting port 134 and the air guide groove 132 will gradually decrease. The reduction of the air outlet can increase the air pressure. The sleeve block 6 ejects air while rising. Under the premise of not affecting the efficiency of the sleeve block 6 in transporting the film, the pressure on the membrane can be kept unchanged, thereby ensuring the efficiency of transporting the membrane and keeping the air pressure stable.

[0052] Working principle: When using the device, first open the film feeding mechanism 1 and the vacuum pump 11, and transport the film on the film feeding mechanism 1. Then, through the cooperation of the motor 3 and the cylinder 5, the bottom end of the arc block 131 on the lower side of the sleeve block 6 is tightly attached to the film. Through the suction force of the vacuum pump 11, the jet port 133 absorbs and removes the film from the film feeding mechanism 1. Then, the film absorbed on the arc block 131 is placed on the display screen placed on the placement table 10. When the sleeve block 6 moves down to the lowest side, the fixing plate 121 will be inserted into the mounting plate 121. In the sleeve block 6, the conductive block 122 can move upward, so that the conductive block 122 contacts both the conductive sheet 1 125 and the conductive sheet 2 126, so that the suction direction of the vacuum pump 11 changes, so that the gas is ejected from the jet port 133, and then pressure can be generated on the film. When the subsequent sleeve block 6 rises, the conductive block 122 will move slowly downward due to the friction of the rubber plate 123. After a period of time, the jet will return to suction again, which is convenient for the subsequent transport of the film;

[0053] When the fixed plate 121 is inserted into the sleeve block 6, the slider 148 is located inside the fixed plate 121, and then the extrusion block 127 presses the slider 148 downward, so that the slider 148 moves to the outside of the fixed plate 121, and then the insertion rod 1411 is inserted into the slot 1410 close to the rotating sleeve 142. When the subsequent sleeve block 6 moves up, the fixed plate 121 drives the slider 148 to press both the shift block 143 and the shift block 2 146 downward, so that the connecting rods 141 on both sides make the two arc blocks 131 rotate upward, so that the air jet 133 can squeeze and fit the film from the middle to both sides when ejecting gas, and the film will not be offset, and the notch of the air jet 133 near the middle is facing the middle position of the lower placement table 10, so that the bubbles in the middle of the film can also be completely driven out, thereby improving the film sticking quality;

[0054] When the sleeve block 6 moves upward, the arc block 131 rotates upward, which will gradually reduce the area of ​​the connecting port 134 and the air guide groove 132. The reduction of the air outlet can increase the air pressure. As a result, when the sleeve block 6 rises, the air pressure of the gas ejected from the air jet 133 can also remain stable, preventing the air pressure from decreasing, resulting in uneven film pasting and bubble expelling, thereby reducing the film pasting quality. In addition, the sleeve block 6 ejects air while rising, which can keep the pressure on the film unchanged without affecting the efficiency of the sleeve block 6 in transporting the film, thereby ensuring the efficiency of transporting the film and keeping the air pressure stable.

[0055] The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and the description in the specification are only to illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A fast feeding device for a QLED display screen film laminating device, comprising a film feeding mechanism (1) and a column (2) located on one side of the film feeding mechanism (1), wherein the upper end of the column (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a rotating plate (4), the upper end of the rotating plate (4) is fixedly connected to a cylinder (5), the bottom end of the cylinder (5) is fixedly connected to a sleeve block (6), a placement block (7) is placed on the lower side of the sleeve block (6), an electric push rod (9) is provided on the placement block (7), and the extended end of the electric push rod (9) is fixedly connected to a moving platform (8), the moving platform (8) is slidably arranged on the upper end of the placement block (7), and a placement platform (10) is fixedly connected to the moving platform (8), characterized in that: Also includes: A vacuum pump (11) is used to absorb and adhere the film by suction and blowing, respectively, and the vacuum pump (11) is arranged on a side wall of the sleeve block (6); A reversing mechanism (12) switches the vacuum pump (11) between the suction state and the blowing state, wherein the reversing mechanism (12) is arranged on the moving platform (8); A steering mechanism (14) moves the gas from the middle to both sides when spraying air to the film, so as to make the film sticking and bubble removal more uniform. The steering mechanism (14) is arranged in the sleeve block (6); and a pressure changing mechanism (13), so that when the sleeve block (6) moves upward, the air pressure of the air jet to the membrane gradually increases, so that the pressure on the membrane can be kept unchanged without affecting the efficiency of the sleeve block (6) in transporting the membrane. The pressure changing mechanism (13) is arranged in the sleeve block (6).

2. According to claim 1, a fast feeding device for QLED display screen film laminating equipment is characterized in that: The steering mechanism (14) comprises two connecting rods (141) rotatably arranged in the sleeve block (6), the two connecting rods (141) are symmetrically arranged, a fixed column (144) is fixedly connected to the sleeve block (6), two rotating sleeves (142) are rotatably arranged on the outer wall of the fixed column (144), the two rotating sleeves (142) are respectively connected to the two connecting rods (141), a torsion spring (145) is fixedly connected between the inner wall of the rotating sleeve (142) and the fixed column (144), the outer walls of the two rotating sleeves (142) are located on the other side of the connected connecting rod (141) and are respectively fixedly connected with a shifting block 1 (143) and a shifting block 2 (146), the sleeve block (6) is fixedly connected with a squeezing block (127), and the lower side of the squeezing block (127) is located on the moving platform (8) and is fixedly connected with a fixed plate (121), the fixed plate (121) A projection opening (147) is provided at two opposite ends of a side wall close to the rotating sleeve (142), a slider (148) is movably inserted in the projection opening (147), an end of the slider (148) close to the rotating sleeve (142) and an end away from the rotating sleeve (142) are provided with an inclined surface (149), an insertion rod (1411) is movably inserted in a side wall of the slider (148), and a spring (1412) is fixedly connected between the end of the insertion rod (1411) located in the slider (148) and the slider (148), two slots (1410) are provided on one side of the insertion rod (1411) located on the fixed plate (121), and a slot (1410) is provided in the slot (1410), the insertion rod (1411) is inserted in one of the slots (1410), and a rubber pad is bonded in the slot (1410).

3. The fast feeding device for QLED display screen film laminating equipment according to claim 2, characterized in that: The reversing mechanism (12) comprises a fixed plate (121), a conductive block (122) is provided on the upper side of the fixed plate (121), the conductive block (122) is slidably arranged in the sleeve block (6) up and down, a spring (124) is fixedly connected between the upper end of the conductive block (122) and the sleeve block (6), a rubber plate (123) is provided on one side of the conductive block (122), and the rubber plate (123) is bonded to the sleeve block (6), the rubber plate (123) is in contact with the sleeve block (6), and a conductive sheet (125) and a conductive sheet (126) are provided on the other side of the conductive block (122) and located on the sleeve block (6), and the conductive sheet (125) and the conductive sheet (126) are arranged opposite to each other up and down, and the conductive sheet (125) and the conductive sheet (126) are in contact with the conductive block (122).

4. The fast feeding device for QLED display screen film laminating equipment according to claim 2, characterized in that: The voltage-changing mechanism (13) comprises two arc blocks (131), the two arc blocks (131) are rotatably arranged in the sleeve block (6), and the bottom ends of the two arc blocks (131) extend to the lower side of the sleeve block (6), the bottom end of the arc block (131) is provided with an air jet (133), the upper side of the air jet (133) is connected with a connecting port (134), and the connecting port (134) is provided on the outer wall of the arc block (131), the connecting port (134) is in contact with the sleeve block (6), one side of the connecting port (134) is provided with an air guide groove (132) on the sleeve block (6), and the air guide groove (132) is connected with the connecting port (134), and the air guide groove (132) on both sides is connected with the air pump (11).

5. The fast feeding device for QLED display screen film laminating equipment according to claim 2, characterized in that: Two opposite sides of the insertion rod (1411) are provided with a second inclined surface (1413).

6. The fast feeding device for QLED display screen film laminating equipment according to claim 3, characterized in that: When the conductive sheet 1 (125) and the conductive sheet 2 (126) are connected, the suction direction of the suction pump (11) can be changed.

7. The fast feeding device for QLED display screen film laminating equipment according to claim 4, characterized in that: A plurality of the air jets (133) are arranged at equal intervals, and the notches of the air jets (133) close to the middle face the middle of the lower placement table (10).

8. The fast feeding device for QLED display screen film laminating equipment according to claim 4, characterized in that: The width of the air guide groove (132) gradually decreases from bottom to top.

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