CN113320738B

CN113320738B - Auxiliary display screen laminating equipment for processing and producing LED display screens

Info

Publication number: CN113320738B
Application number: CN202110629572.6A
Authority: CN
Inventors: 温辉棣
Original assignee: Foshan Shunde Hengwei Electronic Technology Co ltd
Current assignee: Foshan Shunde Hengwei Electronic Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2023-04-14
Anticipated expiration: 2041-06-07
Also published as: CN113320738A

Abstract

The invention discloses display screen auxiliary laminating equipment for processing and producing an LED display screen, which comprises a rack, wherein a conveying belt is arranged between the racks, a driving shaft is sleeved in one end of the conveying belt, a one-way driving mechanism is arranged between the driving shaft and the outer wall of the rack, a support is arranged in the middle of the rack, a pressing plate is clamped between the supports, a hydraulic cylinder is arranged at the top of the support, a push rod of the hydraulic cylinder penetrates through the support and is connected with the pressing plate, a film pasting assembly is arranged on the pressing plate, a transmission mechanism is arranged at the bottom of the support and is connected with the one-way driving mechanism, fixed plates are fixedly arranged on the racks on two sides of the support, receiving and releasing rollers are sleeved between the tops of the fixed plates, and guide rollers are sleeved between the bottoms of the fixed plates. The transmission mechanism is enabled to be linked to drive the one-way driving mechanism to move through the upward movement of the pressing plate, the one-way driving mechanism achieves one-way conveying of the conveying belt, a display screen is conveyed to the bottom of the pressing plate when the pressing plate moves upwards, the conveying belt is fixed when the pressing plate moves downwards, film covering on the display screen is facilitated, and the mechanical linkage control is accurate and low in cost.

Description

LED display screen processing production is with supplementary laminating equipment of display screen

Technical Field

The invention relates to the technical field of LED display screens, in particular to display screen auxiliary film laminating equipment for processing and producing LED display screens.

Background

The LED display screen is a flat panel display, comprises LED module panel one by one, is used for showing the equipment of various information such as characters, image, video, its production back needs carry out the tectorial membrane to its surface to the display screen is impaired when avoiding using, and the display screen all carries then carries out the pad pasting through the conveyer belt during the tectorial membrane, and present tectorial membrane equipment exists following not enoughly:

1. the positioning of the display screen to the film covering position needs to be realized by using a large number of sensors and an accurate control program, so that the cost is high and errors are easy to occur;

2. for display screens with different sizes, multiple sets of equipment are needed to be used for respectively coating films, so that the applicability of the device is poor;

therefore, the auxiliary laminating equipment for the display screen for processing and producing the LED display screen is provided for solving the problems.

Disclosure of Invention

The invention aims to provide display screen auxiliary film coating equipment for processing and producing an LED display screen, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a supplementary laminating equipment of display screen for LED display screen processing production, includes the frame, the installation conveyer belt between the frame, the inside drive shaft that cup joints of one end of conveyer belt, the one-way actuating mechanism of installation between the outer wall of drive shaft and frame, the middle part fixed mounting support of frame, it has the guide way to open between the both sides bottom of support and frame, slip joint clamp plate between the guide way, the top fixed mounting pneumatic cylinder of support, the push rod of pneumatic cylinder runs through support and fixed connection clamp plate, install pad pasting subassembly on the clamp plate, the bottom installation drive mechanism of guide way, one-way actuating mechanism is connected to drive mechanism, fixed mounting fixed plate in the frame of support both sides, the cover is received between the top of fixed plate and is put the roller, the cover connects the guide roll between the bottom of fixed plate.

In an embodiment of the present invention, the rack is provided with a packing table between one end close to the driving shaft, the top surface of the packing table is flush with the top surface of the conveying belt, the conveying belt is provided with a plurality of positioning holes, and the positioning pins can be installed in the positioning holes through thread structures, so that the display screens with different sizes can be placed quickly.

An embodiment of the optimization, one-way actuating mechanism includes first ratchet, the terminal surface of drive shaft runs through the frame and fixed cup joints first ratchet, rotate on the first ratchet and cup joint and rotate the cover, the inner wall that rotates the cover rotates a plurality of first pawls of installation through the round pin axle, the ratchet of first ratchet joint first ratchet outer wall, the outer wall fixed mounting guide rail of frame, slip joint rack in the guide rail, drive mechanism is connected to the one end of rack, rack toothing ring gear, the revolving groove has been seted up in the frame, the fixed cup joint second ratchet on the drive shaft, the second ratchet rotates to cup joint in the revolving groove, the revolving groove inner wall rotates a plurality of second pawls of installation through the round pin axle, the ratchet of second ratchet joint second ratchet outer wall.

In a preferred embodiment, the inclined direction of the ratchet teeth of the first ratchet wheel and the first pawl is the same as the inclined direction of the ratchet teeth of the second ratchet wheel and the second pawl, the inner wall of the rotating sleeve and the inner wall of the rotating groove are both provided with accommodating grooves, the first pawl and the second pawl are both installed in the accommodating grooves, and torsion springs are installed between the first pawl and the accommodating grooves and between the second pawl and the accommodating grooves.

An embodiment of preferred, drive mechanism includes thick cylinder, a plurality of thick cylinders of bottom fixed mounting of guide way, the first piston of slip joint in the thick cylinder, the one end of the top fixed connection depression bar of first piston, the other end of depression bar runs through the top and the fixed connection clamp plate of thick cylinder, the equal fixed connection tee bend tracheal one end in bottom of thick cylinder, the thin cylinder of outer wall fixed mounting of frame, the equal fixed connection thin cylinder's of tee bend tracheal second end one end, the slip joint second piston in the thin cylinder, the one end of fixed connection actuating lever on the second piston, the other end slip of actuating lever runs through the other end and the fixed connection rack of thin cylinder.

In a preferable embodiment, the third end of the three-way air pipe and one end connected with the thin cylinder are both provided with valves.

An embodiment of preferred, the pad pasting subassembly includes the mounting panel, the mounting panel passes through the bolt and installs the bottom at the clamp plate, the top fixed mounting sliding cylinder of clamp plate, the sliding joint third piston in the sliding cylinder, the one end of the top fixed connection dead lever of third piston, the other end of dead lever runs through the top and the fixed connection support of sliding cylinder, the bottom outer wall of sliding cylinder is opened there is the neck shrinkage cavity, branch air cavity has been seted up in the mounting panel, the inner chamber bottom intercommunication branch air cavity of sliding cylinder, the bottom of mounting panel is opened has a plurality of air vents of connecting branch air cavity, the bottom edge fixed mounting cutter of mounting panel, mounting panel bottom fixed mounting foam-rubber cushion between the cutter.

In an embodiment, studs are fixedly mounted at four corners of the top of the mounting plate, a plurality of through holes are formed in the edge of the pressing plate, and the studs penetrate through the through holes in a sliding mode and are connected with nuts, so that the mounting plates with different sizes can be replaced quickly.

Compared with the prior art, the invention has the beneficial effects that:

1. the first piston is driven to move by moving the pressing plate upwards, the first piston moves upwards and downwards so as to pump air and inflate air into the thin cylinder, the second piston drives the driving rod to move so as to drive the one-way driving mechanism to move in a linkage manner, the one-way driving mechanism realizes the one-way conveying of the conveying belt through the two ratchet wheel and pawl mechanisms, one display screen is conveyed to the bottom of the pressing plate when the pressing plate moves upwards, the conveying belt is fixed when the pressing plate moves downwards, the film can be conveniently coated on the display screen, the mechanical linkage control is more accurate, and the cost is lower;

2. when the film sticking assembly moves downwards, the film can be adsorbed by micro negative pressure, so that the film can be conveniently fixed after being cut and can be conveniently stuck, after the film is stuck, the pressing plate moves upwards, and the micro negative pressure is converted into micro positive pressure, so that the film is blown away from the sponge mat, the film is ensured to be fixed on the display screen, and the film is more firmly coated;

3. through installing a plurality of locating pins in the locating hole, form not unidimensional rectangle structure between a plurality of locating pins, then the operator puts into the display screen fast in the one end of conveyer belt and can realize the transport location of display screen between the locating pin, through the valve on the tee bend trachea intercommunication and disconnection between thick cylinder and thin cylinder, thereby the amount of movement of second piston when adjusting the clamp plate reciprocates, thereby the amount of movement of control rack, realize the regulation of transport distance, be convenient for process not display screen of length, and simultaneously, the mounting panel passes through double-screw bolt clamp plate quick assembly disassembly, thereby the not mounting panel of equidimension of quick replacement, then the cutter corresponds the size change, be convenient for the film that the cutting corresponds the size carries out the tectorial membrane, make the device can carry out the tectorial membrane to the display screen of equidimension not, the device suitability is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the driving shaft of the present invention;

FIG. 3 is an enlarged structural view of the structure at B in FIG. 2 according to the present invention;

FIG. 4 is an enlarged structural view of the portion A in FIG. 2;

FIG. 5 is a schematic view of a film-sticking assembly according to the present invention.

In the figure: 1. a frame; 2. a conveyor belt; 3. a drive shaft; 4. a support; 5. a guide groove; 6. pressing a plate; 7. a transmission mechanism; 71. a coarse cylinder; 72. a pressure lever; 73. a first piston; 74. a fine cylinder; 75. a second piston; 76. a drive rod; 77. a three-way air pipe; 8. a one-way drive mechanism; 81. rotating the sleeve; 82. a ring gear; 83. a guide rail; 84. a rack; 85. a first ratchet wheel; 86. a first pawl; 87. rotating the groove; 88. a second ratchet; 89. a second pawl; 9. a film pasting component; 91. mounting a plate; 92. a gas distribution cavity; 93. a vent hole; 94. a sliding cylinder; 95. fixing the rod; 96. a third piston; 97. necking down the hole; 98. a sponge cushion; 99. a cutter; 10. a hydraulic cylinder; 11. a fixing plate; 12. a take-up and pay-off roller; 13. a guide roller; 14. positioning holes; 15. and (4) a packing table.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a supplementary laminating equipment of display screen for LED display screen processing production, which comprises a frame 1, installation conveyer belt 2 between 1 of frame, drive shaft 3 is cup jointed to conveyer belt 2's one end inside, one-way actuating mechanism 8 of installation between drive shaft 3 and frame 1's outer wall, frame 1's middle part fixed mounting support 4, it has guide way 5 to open between the both sides bottom of support 4 and frame 1, slip joint clamp plate 6 between guide way 5, support 4's top fixed mounting pneumatic cylinder 10, the push rod of pneumatic cylinder 10 runs through support 4 and fixed connection clamp plate 6, install pad pasting subassembly 9 on the clamp plate 6, guide way 5's bottom installation drive mechanism 7, one-way actuating mechanism 8 is connected to drive mechanism 7, fixed mounting fixed plate 11 on the frame 1 of support 4 both sides, the cover is received between fixed plate 11's top and is put roller 12, cover connects guide roll 13 between fixed plate 11's bottom. The film is receive and releases and through receiving and releasing 12 roller and tighten between clamp plate 6 and conveyer belt 2 through guide roll 13, the display screen passes through conveyer belt 2 and carries, pneumatic cylinder 10 drives clamp plate 6 and reciprocates, drive mechanism 7 drives one-way actuating mechanism 8 when clamp plate 6 moves up, thereby one-way actuating mechanism 8 drives drive shaft 3 and rotates and drive conveyer belt 2 and carry a display screen to clamp plate 6 below, when clamp plate 6 moves down, 8 idle rotations of one-way actuating mechanism, conveyer belt 2 is fixed, thereby be convenient for pad pasting subassembly 9 with the film cutting and attached to the display screen, carry location and pad pasting through mechanical linkage synchro control display screen, control is accurate and low cost.

Frame 1 is close to installation packing platform 15 between one end of drive shaft 3, packing platform 15's top surface and conveyer belt 2's top surface looks parallel and level, it takes out the packing to be convenient for the display screen after the staff will cover the membrane, it has a plurality of locating holes 14 to open on the conveyer belt 2, can install the locating pin through helicitic texture in the locating hole 14, thereby place the not display screen of equidimension fast, through installing a plurality of locating pins in locating hole 14, form not unidimensional rectangle structure between a plurality of locating pins, then the operator puts into the display screen fast in the one end of conveyer belt 2 and can realize the transport location of display screen between the locating pin.

The one-way driving mechanism 8 comprises a first ratchet wheel 85, the end surface of the driving shaft 3 penetrates through the rack 1 and is fixedly sleeved with the first ratchet wheel 85, the first ratchet wheel 85 is rotatably sleeved with a rotating sleeve 81, the inner wall of the rotating sleeve 81 is rotatably provided with a plurality of first pawls 86 through pin shafts, the first pawls 86 are clamped with ratchets on the outer wall of the first ratchet wheel 85, the outer wall of the rack 1 is fixedly provided with a guide rail 83, a rack 84 is clamped in the guide rail 83 in a sliding manner, one end of the rack 84 is connected with the transmission mechanism 7, the rack 84 is meshed with a gear ring 82, a rotating groove 87 is formed in the rack 1, the driving shaft 3 is fixedly sleeved with a second ratchet wheel 88, the second ratchet wheel 88 is rotatably sleeved in the rotating groove 87, the inner wall of the rotating groove 87 is rotatably provided with a plurality of second pawls 89 through pin shafts, the second pawls 89 are clamped with the outer wall of the second ratchet wheel 88, the first ratchet wheel 85 and the first ratchet wheel 86 have the same inclining direction as the second ratchet wheel 88 and the second ratchet wheel 89, the inner wall of the rotating sleeve 81 and the inner wall of the rotating groove 87 are both provided with accommodating grooves, the first pawl 86 and the second pawl 89 are both arranged in the accommodating grooves, torsion springs are respectively arranged between the first pawl 86, the second pawl 89 and the accommodating grooves, when the pressing plate 6 moves upwards, the transmission mechanism 7 pulls the rack 84, the rack 84 slides to drive the sliding sleeve 81 to rotate clockwise, at the moment, the sliding sleeve 81 drives the first pawl 86 to engage with the first ratchet wheel 85, so that clockwise torsion of the driving shaft 3 is exerted, the driving shaft 3 drives the second ratchet wheel 88 to rotate clockwise, the ratchets on the second ratchet wheel 88 push the second pawl 89 into the accommodating grooves through the inclined surfaces, the driving shaft 3 can smoothly drive the conveying belt 2 to move, so that the display screen is conveyed below the pressing plate 6, when the pressing plate 6 moves downwards, the rack 84 drives the rotating sleeve 81 to rotate anticlockwise, at the moment, the first ratchet wheel 85 and the inclined surfaces of the first pawl 86 rotate, then can't drive shaft 3 and rotate, and second ratchet 88 also makes it can't rotate with second pawl 89 meshing resistance when drive shaft 3 anticlockwise rotates, then conveyer belt 2 keeps fixed, and the display screen is stabilized in clamp plate 6 below, and the tectorial membrane is moved down to the pad pasting subassembly 9 of being convenient for.

The transmission mechanism 7 comprises a thick air cylinder 71, a plurality of thick air cylinders 71 are fixedly installed at the bottom of the guide groove 5, a first piston 73 is in sliding clamping connection in the thick air cylinder 71, the top of the first piston 73 is fixedly connected with one end of a pressing rod 72, the other end of the pressing rod 72 penetrates through the top of the thick air cylinder 71 and is fixedly connected with the pressing plate 6, the bottom of the thick air cylinder 71 is fixedly connected with one end of a three-way air pipe 77, a thin air cylinder 74 is fixedly installed on the outer wall of the rack 1, the second end of the three-way air pipe 77 is fixedly connected with one end of the thin air cylinder 74, a second piston 75 is in sliding clamping connection in the thin air cylinder 74, one end of a driving rod 76 is fixedly connected on the second piston 75, the other end of the driving rod 76 penetrates through the other end of the thin air cylinder 74 in a sliding manner and is fixedly connected with a rack 84, valves are installed at the third end of the three-way air pipe 77 and one end connected with the thin air cylinder 74, when the pressing plate 6 moves up and down, the first piston 73 moves so as to suck air and inflate the thin air cylinder 74, the second piston 75 drives the driving rod 76 to move up and down, thereby the driving rack 84 to move, and the conveying distance of the thin air cylinder is not communicated with the conveying belt, and the conveying distance of the conveying belt is adjusted by the thick air cylinder 71, and the conveying belt is adjusted by the adjusting of the conveying cylinder 71, and the conveying belt.

The film sticking component 9 comprises a mounting plate 91, the mounting plate 91 is arranged at the bottom of the pressing plate 6 through bolts, a sliding cylinder 94 is fixedly arranged at the top of the pressing plate 6, a third piston 96 is slidably clamped in the sliding cylinder 94, the top of the third piston 96 is fixedly connected with one end of a fixed rod 95, the other end of the fixed rod 95 penetrates through the top of the sliding cylinder 94 and is fixedly connected with the support 4, the outer wall of the bottom of the sliding cylinder 94 is provided with a neck hole 97, a gas distribution cavity 92 is arranged in the mounting plate 91, the bottom of the inner cavity of the sliding cylinder 94 is communicated with the gas distribution cavity 92, the bottom of the mounting plate 91 is provided with a plurality of vent holes 93 connected with the gas distribution cavity 92, the bottom edge of the mounting plate 91 is fixedly provided with cutters 99, and a sponge pad 98 is fixedly arranged at the bottom of the mounting plate 91 between the cutters 99, when the pressing plate 6 moves downwards, the sliding cylinder 94 moves downwards relative to the third piston 96, the bottom of the sliding cylinder 94 can extract external air, the diameter of a necking hole 97 is small, the air can not be extracted from the external air, and partial air can be extracted into the air distribution cavity 92, so that micro negative pressure is formed in the air distribution cavity 92, after the pressing plate 6 is close to the film, the film is adsorbed on the spongy cushion 98 under the negative pressure of the vent holes 93, meanwhile, the cutter 99 cuts off the film in the downward moving process, the film finally moves downwards and is attached to a display screen, film attaching is achieved, then the pressing plate 6 moves upwards, the sliding cylinder 94 moves upwards at the moment, so that the air is inflated into the air distribution cavity 92, the vent holes 93 are blown to facilitate separation of the film and the spongy cushion 98, and the film is ensured to be fixed on the display screen.

The equal fixed mounting in top four corners of mounting panel 91 has the double-screw bolt, and open at the edge of clamp plate 6 has a plurality of through-holes, and the double-screw bolt slides and runs through the through-hole and connect the nut to the not mounting panel 91 of equidimension of quick replacement, then cutter 99 correspond the size change, and the film that the cutting of being convenient for corresponds the size carries out the tectorial membrane.

The working principle is as follows: when the invention is used, a film is collected and released by the collecting and releasing roller 12 and tightened between the pressure plate 6 and the conveying belt 2 by the guide roller 13, a display screen is conveyed by the conveying belt 2, the hydraulic cylinder 10 drives the pressure plate 6 to move up and down, the first piston 73 moves up and down to suck air and inflate air into the thin cylinder 74, the second piston 75 drives the driving rod 76 to move, when the pressure plate 6 moves up, the driving rod 76 pulls the rack 84, the rack 84 slides to drive the sliding sleeve 81 to rotate clockwise, the sliding sleeve 81 drives the first pawl 86 to engage with the first ratchet 85, so that clockwise torque is applied to the driving shaft 3, the driving shaft 3 drives the second ratchet 88 to rotate clockwise, the second pawl 89 on the second ratchet 88 is pushed into the collecting groove by the inclined surface, the driving shaft 3 can drive the conveying belt 2 to move smoothly, so as to convey the display screen to the lower part of the pressure plate 6, when the pressure plate 6 moves down, the rack 84 drives the rotating sleeve 81 to rotate anticlockwise, at this time, the inclined surfaces of the first ratchet wheel 85 and the first pawl 86 rotate, the driving shaft 3 cannot be driven to rotate, and the engagement resistance of the second ratchet wheel 88 and the second pawl 89 also causes the driving shaft 3 to be incapable of rotating when the driving shaft 3 rotates anticlockwise, the conveying belt 2 is fixed, the display screen is stabilized below the pressing plate 6, at this time, the pressing plate 6 gradually moves downwards to be close to the film, the sliding cylinder 94 moves downwards relative to the third piston 96, external air is extracted from the bottom of the sliding cylinder 94, the diameter of the necking hole 97 is small, air extraction from the external air cannot meet the requirement, partial air is extracted into the air distribution cavity 92, so that micro negative pressure is formed in the air distribution cavity 92, after the pressing plate 6 approaches the film, the film is adsorbed on the sponge pad 98 under the negative pressure of the vent hole 93, meanwhile, the film is cut off in the downward moving process of the cutter 99, and finally the film moves downwards to be attached to the display screen, the film sticking is achieved, then the pressing plate 6 moves upwards, the sliding cylinder 94 moves upwards at the moment, air is inflated into the air distribution cavity 92, the air vents 93 blow air to facilitate separation of the film and the spongy cushion 98, the film is ensured to be fixed on the display screen, the film can be coated on the display screen one by one through circulation, the mechanical linkage control is more accurate, the cost is lower, the positioning pins are installed in the positioning holes 14, rectangular structures of different sizes are formed among the positioning pins, the operator can place the display screen into the positioning pins quickly at one end of the conveying belt 2 to achieve conveying positioning of the display screen, connection and disconnection between the thick air cylinder 71 and the thin air cylinder 74 are achieved through the valve on the three-way air pipe 77, the movement amount of the second piston 75 when the pressing plate 6 moves up and down is adjusted, the movement amount of the rack 84 is controlled, adjustment of conveying distance is achieved, the display screens of different lengths are convenient to process, meanwhile, the mounting plate 91 is fast assembled and disassembled through the stud pressing plate 6, the mounting plates 91 of different sizes are achieved, and the cutter 99 is changed corresponding to the size, films can be cut to coat the films on the display screens of different sizes, and applicability of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a supplementary laminating equipment of display screen for LED display screen processing production, includes frame (1), its characterized in that: a conveying belt (2) is installed between the racks (1), a driving shaft (3) is sleeved inside one end of the conveying belt (2), a one-way driving mechanism (8) is installed between the driving shaft (3) and the outer wall of the racks (1), a support (4) is fixedly installed in the middle of the racks (1), guide grooves (5) are formed between the bottoms of two sides of the support (4) and the racks (1), a pressing plate (6) is clamped between the guide grooves (5) in a sliding mode, a hydraulic cylinder (10) is fixedly installed at the top of the support (4), a push rod of the hydraulic cylinder (10) penetrates through the support (4) and is fixedly connected with the pressing plate (6), a film sticking assembly (9) is installed on the pressing plate (6), a transmission mechanism (7) is installed at the bottom of the guide grooves (5), the transmission mechanism (7) is connected with the one-way driving mechanism (8), fixed plates (11) are fixedly installed on the racks (1) on two sides of the support (4), a roller (12) is sleeved at the top of the fixed plates (11), and a roller (12) is received, and a guide roller (13) is sleeved between the bottoms of the fixed plates (11);

the one-way driving mechanism (8) comprises a first ratchet wheel (85), the end face of the driving shaft (3) penetrates through the rack (1) and is fixedly sleeved with the first ratchet wheel (85), the first ratchet wheel (85) is rotatably sleeved with a rotating sleeve (81), a plurality of first pawls (86) are rotatably installed on the inner wall of the rotating sleeve (81) through pin shafts, the first pawls (86) are clamped with ratchets on the outer wall of the first ratchet wheel (85), a guide rail (83) is fixedly installed on the outer wall of the rack (1), a rack (84) is slidably clamped in the guide rail (83), one end of the rack (84) is connected with the transmission mechanism (7), the rack (84) is meshed with the gear ring (82), a rotating groove (87) is formed in the rack (1), a second ratchet wheel (88) is fixedly sleeved on the driving shaft (3), the second ratchet wheel (88) is rotatably sleeved in the rotating groove (87), a plurality of second pawls (89) are rotatably installed on the inner wall of the rotating groove (87) through pin shafts, and the second ratchet wheel (89) is clamped with ratchets on the outer wall of the second ratchet wheel (88);

the inclined directions of the ratchets of the first ratchet wheel (85) and the first pawl (86) are the same as the inclined directions of the second ratchet wheel (88) and the second pawl (89), the inner walls of the rotating sleeve (81) and the rotating groove (87) are provided with accommodating grooves, the first pawl (86) and the second pawl (89) are arranged in the accommodating grooves, and torsion springs are arranged between the first pawl (86) and the accommodating grooves and between the second pawl (89) and the accommodating grooves;

the transmission mechanism (7) comprises a thick air cylinder (71), a plurality of thick air cylinders (71) are fixedly mounted at the bottom of the guide groove (5), a first piston (73) is clamped in the thick air cylinder (71) in a sliding manner, the top of the first piston (73) is fixedly connected with one end of a pressure lever (72), the other end of the pressure lever (72) penetrates through the top of the thick air cylinder (71) and is fixedly connected with a pressure plate (6), the bottoms of the thick air cylinders (71) are fixedly connected with one end of a three-way air pipe (77), the outer wall of the rack (1) is fixedly mounted with a thin air cylinder (74), the second end of the three-way air pipe (77) is fixedly connected with one end of the thin air cylinder (74), a second piston (75) is clamped in the thin air cylinder (74) in a sliding manner, one end of a driving rod (76) is fixedly connected to the second piston (75), and the other end of the driving rod (76) penetrates through the other end of the thin air cylinder (74) and is fixedly connected with a rack (84) in a sliding manner;

valves are arranged at the third end of the three-way air pipe (77) and one end connected with the thin air cylinder (74);

pad pasting subassembly (9) are including mounting panel (91), the bottom at clamp plate (6) is installed through the bolt in mounting panel (91), the top fixed mounting sliding barrel (94) of clamp plate (6), slip joint third piston (96) in sliding barrel (94), the one end of top fixed connection dead lever (95) of third piston (96), the other end of dead lever (95) runs through the top and fixed connection support (4) of sliding barrel (94), the bottom outer wall of sliding barrel (94) is opened there is neck shrinkage cavity (97), it has branch air cavity (92) to open in mounting panel (91), the inner chamber bottom intercommunication branch air cavity (92) of sliding barrel (94), the bottom of mounting panel (91) is opened has air vent (93) of a plurality of connections branch air cavity (92), the bottom edge fixed mounting cutter (99) of mounting panel (91), mounting panel (91) bottom fixed mounting foam-rubber cushion (98) between cutter (99).

2. The auxiliary laminating equipment for the display screen for the LED display screen processing production according to claim 1, wherein the laminating equipment comprises: frame (1) is close to one end of drive shaft (3) and installs packing platform (15) within a definite time, the top surface of packing platform (15) and the top surface looks parallel and level of conveyer belt (2), it has a plurality of locating holes (14) to open on conveyer belt (2), can be through helicitic texture installation locating pin in locating hole (14) to place the display screen of equidimension not fast.

3. The auxiliary laminating equipment for the display screen for the LED display screen processing production according to claim 1, wherein the laminating equipment comprises: the equal fixed mounting in top four corners of mounting panel (91) has the double-screw bolt, open the edge of clamp plate (6) has a plurality of through-holes, and the double-screw bolt slides and runs through the through-hole and connect the nut to mounting panel (91) of the not equidimension of quick replacement.