CN113050312B - Manufacturing and processing technology of liquid crystal display screen backlight module - Google Patents
Manufacturing and processing technology of liquid crystal display screen backlight module Download PDFInfo
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- CN113050312B CN113050312B CN202110299055.7A CN202110299055A CN113050312B CN 113050312 B CN113050312 B CN 113050312B CN 202110299055 A CN202110299055 A CN 202110299055A CN 113050312 B CN113050312 B CN 113050312B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000003892 spreading Methods 0.000 claims description 24
- 230000007480 spreading Effects 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 16
- 238000010073 coating (rubber) Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000011247 coating layer Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a manufacturing and processing technology of a backlight module of a liquid crystal display screen, which is characterized by comprising a bottom plate, a clamping device, an air suction device, an electric slide block, a U-shaped frame, a connecting air cylinder and a gluing device which are matched to complete operation.
Description
Technical Field
The invention relates to the technical field of backlight module manufacturing and processing, in particular to a manufacturing and processing technology of a liquid crystal display backlight module.
Background
With the rapid development of the lcd industry, the application of various lcd panels is continuously increasing, and lighter and thinner products are continuously emerging, but since the lcd panel of the lcd device cannot emit light, a backlight module is required to provide a light source to display images on the lcd panel, and the backlight module is one of the key components of the lcd panel. The function is to provide sufficient brightness and light source with uniform distribution, so that the image can be displayed normally.
In the manufacturing and processing process of the backlight module, the backlight module needs to be subjected to film pasting treatment, the traditional film pasting process is generally manual film pasting, the situation that the soft film pasted on the backlight module is folded, uneven and the like due to the viscosity of glue solution on the soft film and the tightness of the soft film when the soft film is held by hands can be caused, the qualified rate of finished products is influenced, the efficiency of manual film pasting is low, and the manual film pasting method is not suitable for application in large-scale flow line production.
Disclosure of Invention
In order to solve the problems, the invention provides a manufacturing and processing technology of a backlight module of a liquid crystal display screen, which can solve the problems that the film sticking process is usually manual, the adhesive property of glue solution on a soft film and tightness when the soft film is held by hands can cause the situation that the soft film stuck on the backlight module has creases, unevenness and the like, the qualification rate of finished products is influenced, the efficiency of manual film sticking is low, and the backlight module is not suitable for application in large-scale flow line production and the like.
In order to achieve the purpose, the invention adopts the following technical scheme that a film sticking device is used in the manufacturing and processing technology of the liquid crystal display screen backlight module, the film sticking device comprises a bottom plate, a clamping device, an air suction device, an electric slide block, a U-shaped frame, a connecting cylinder and a gluing device, and the manufacturing and processing technology of the liquid crystal display screen backlight module by adopting the film sticking device is as follows:
s1, clamping and air suction: the backlight module is clamped and positioned by the clamping device, the air suction device is driven by the electric sliding block to move rightwards until the air suction device is positioned on the right side of the gluing device, and at the moment, the flexible film is sucked by the air suction in the adhering head and the T-shaped pipe;
s2, tightening treatment: after the suction, the extrusion frame and the adjusting plate are driven to synchronously ascend through the working cylinder, the suction force in the T-shaped pipe is temporarily lost along with the ascending of the adjusting plate, the two tightening air suction mechanisms move reversely to tighten the two sides of the soft membrane while the suction force is lost, and then the suction force in the T-shaped pipe is recovered, so that the soft membrane is sucked again;
s3, gluing: the air suction device is driven by the electric slide block to move leftwards to reset, and the lower surface of the tightened soft film is uniformly coated with glue by the glue coating device;
s4, pasting a film finished product: the connection cylinder drives the glued soft film to descend, so that the soft film is attached to the backlight module to form a finished product.
Clamping device is installed to the left end of bottom plate, and the rubber coating device is installed to the right-hand member of bottom plate, and electronic slider is installed to both ends symmetry around the bottom plate, is provided with U type frame on the electronic slider, is connected with between the upper end of U type frame and the gas suction device and is connected with the cylinder.
The air suction device comprises a fixed block, a main air cavity, two shunting cavities, two tightening air suction mechanisms, two air suction mechanisms, a working air cylinder, an extrusion frame, a T-shaped pipe and a filter screen, wherein the main air cavity is formed in the middle of the fixed block, the two shunting cavities are symmetrically formed in the left end and the right end of the fixed block, the air suction mechanisms are connected between the main air cavity and the shunting cavities, the two tightening air suction mechanisms are arranged at the left end and the right end of the fixed block, the tightening air suction mechanisms are communicated with the shunting cavities, the upper end of the fixed block is connected with the extrusion frame through the working air cylinder, the lower end of the fixed block is connected with the T-shaped pipe through a connecting piece, and the filter screen is clamped inside the T-shaped pipe.
The tightening air suction mechanism comprises a moving frame, an air suction cavity, a sliding block, a reset spring, a laminating head, a shielding net, a telescopic pipe and an extrusion block, wherein the sliding block is installed on the moving frame, the sliding block is connected with the fixed block in a sliding fit manner, the reset spring is connected between the sliding block and the fixed block, the air suction cavity is formed in the moving frame, the telescopic pipe is communicated between the air suction cavity and the flow dividing cavity, the laminating head is installed at the lower end of the moving frame in a communicated manner, the soft film is sucked on the lower end face of the laminating head, the shielding net is installed inside the laminating head and used for intercepting particles sucked by mistake, and the extrusion block is installed at the upper end of the moving frame.
The air suction mechanism comprises a U-shaped pipe, an adjusting plate and an air pump, the U-shaped pipe is communicated between the main air cavity and the flow dividing cavity, the air pump is mounted on the U-shaped pipe, the air pump is communicated with the inner cavity of the U-shaped pipe, and the U-shaped pipe is connected with the adjusting plate in a sliding fit mode.
The middle part of the adjusting plate is provided with a first corresponding groove, the first corresponding groove at the initial position is correspondingly communicated with the inner cavity of the U-shaped pipe, the T-shaped pipe can conveniently suck the soft membrane, and a second corresponding groove is formed in the lower end of the adjusting plate.
When the vacuum packaging machine works specifically, through the attaching head, the air suction inside the T-shaped pipe sucks the soft membrane, then the extrusion frame is driven by the working cylinder, the adjusting plate rises in the process, when the sealing part of the adjusting plate shields the U-shaped pipe inner cavity, at the moment, the suction can be temporarily lost inside the T-shaped pipe, when the suction is lost, the extrusion frame does not extrude the inclined part of the extrusion block any more, the movable frame arranged on the left and right sides moves in the reverse direction under the elasticity of the reset spring, thereby the two ends of the soft membrane are pulled reversely and tightened, the adjusting plate continues to rise, when the corresponding groove two is communicated with the inner cavity of the U-shaped pipe, at the moment, the inside of the T-shaped pipe has the suction again, thereby the middle part of the soft membrane is sucked again, the soft membrane at the moment is in a tightened state.
Preferably, the clamping device comprises a base, two clamping frames and two driving cylinders, the left end and the right end of the base are connected with the two clamping frames in a sliding fit mode, and the driving cylinders are connected between the inner ends of the clamping frames and the base.
Preferably, the inclined surface of the extrusion block is gradually inclined inwards from bottom to top, and the lower end of the fitting head is uniformly provided with air holes.
Preferably, the left side and the right side of the lower end of the extrusion frame are connected with two extrusion rollers through pin shafts, and the extrusion rollers are attached to the inclined surfaces of the extrusion blocks.
As preferred, the rubber coating device include fixing base, heat preservation frame, electronic roller, the rubber coating layer, the piston board, the lift cylinder, even board and sealed cowling stand for the stand, the fixing base is installed on the bottom plate, the heat preservation frame is installed to the right-hand member of fixing base, the internally mounted of heat preservation frame has electronic roller, the rubber coating layer has been laid to electronic roller's outer wall annular, the mid-mounting of fixing base has the lift cylinder, the piston board is installed to the ejecting end of lift cylinder, the piston board is located the inside of heat preservation frame, even board stand for the left end of fixing base is installed, the embedding has the sealed cowling on the fixing base, and even board stands for, electronic roller is located the inside of sealed cowling.
Preferably, the uniform spreading plate comprises an inclined plate, a first uniform spreading block and a second uniform spreading block, the inclined plate is installed on the fixed seat, the inclined plate is of a structure which gradually inclines to the right from the bottom to the top, the first uniform spreading block is evenly installed on the right side of the upper end of the inclined plate, the second uniform spreading block is evenly installed on the left side of the upper end of the inclined plate, and the first uniform spreading block and the second uniform spreading block are arranged in a left-right staggered mode.
The invention has the beneficial effects that:
according to the manufacturing and processing technology of the liquid crystal display screen backlight module, the problem of the softness of the soft film is solved by replacing a handheld mode with air suction positioning, meanwhile, the soft film is in a tightened state before being pasted in cooperation with an elastic tightening mode, the soft film is enabled to be wrinkled due to viscosity after being glued, meanwhile, the smoothness of the pasted soft film is guaranteed, the qualified rate of products is guaranteed, meanwhile, a manual mode is replaced by machinery, the working efficiency is accelerated, and the manufacturing and processing technology is suitable for assembly line production;
secondly, the air suction device sucks the flexible film in all directions, only the left side and the right side of the flexible film are continuously sucked, the suction force of the rest areas disappears, the flexible film is tightened in an elastic outward pulling mode, the suction force of the rest areas is recovered, the tightened flexible film is repositioned, and at the moment, the flexible film is in a tightened state;
thirdly, according to the manufacturing and processing technology of the liquid crystal display screen backlight module, due to the fact that the soft film is subjected to tightening processing, in the subsequent gluing process, the tightening state of the soft film cannot be affected by the viscosity of glue liquid, the soft film is guaranteed to be always in the tightening state in the film pasting process, and the flatness of a finished product is guaranteed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a manufacturing process of a backlight module of a liquid crystal display;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of the air induction device of the present invention;
FIG. 5 is a cross-sectional view of the gluing device of the present invention;
FIG. 6 is a schematic structural diagram of the movable frame, the fitting head, the telescopic tube and the extrusion block according to the present invention;
FIG. 7 is a schematic view of the construction of a spreader plate of the present invention;
fig. 8 is an enlarged view of a portion of the invention at X of fig. 4.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 8, a manufacturing process of a backlight module of a liquid crystal display screen uses a film pasting device, the film pasting device comprises a bottom plate 1, a clamping device 2, an air suction device 3, an electric slider 4, a U-shaped frame 5, a connecting cylinder 6 and a gluing device 7, and the manufacturing process of the backlight module of the liquid crystal display screen by using the film pasting device is as follows:
s1, clamping and air suction: the backlight module is clamped and positioned by the clamping device 2, the air suction device 3 is driven by the electric slide block 4 to move rightwards until the air suction device 3 is positioned at the right side of the gluing device 7, and at the moment, the flexible film is sucked by the air suction in the fitting head 345 and the T-shaped pipe 38;
s2, tightening treatment: after the suction, the extrusion frame 37 and the adjusting plate 352 are driven to synchronously rise through the working cylinder 36, the suction force in the T-shaped pipe 38 is temporarily lost along with the rising of the adjusting plate 352, the two tightening air suction mechanisms 34 reversely move to tighten the two sides of the soft membrane while the suction force is lost, and then the suction force in the T-shaped pipe 38 is recovered, so that the soft membrane is sucked again;
s3, gluing: the air suction device 3 is driven by the electric slide block 4 to move leftwards and reset, and the lower surface of the tightened soft film is uniformly coated with glue by the glue coating device 7;
s4, pasting a film finished product: the connection cylinder 6 drives the glued soft film to descend, so that the soft film is attached to the backlight module to form a finished product.
Clamping device 2 include base 21, two holding frame 22 and two drive actuating cylinder 23, both ends are connected with two holding frame 22 through sliding fit's mode about base 21, are connected with between the inner of holding frame 22 and the base 21 and drive actuating cylinder 23, during concrete work, put backlight module on base 21, drive actuating cylinder 23 through two and drive two holding frame 22 motion in opposite directions to carry out the centre gripping location to backlight module.
The air suction device 3 comprises a fixed block 31, a main air cavity 32, two diversion cavities 33, two tightening air suction mechanisms 34, two air suction mechanisms 35, a working air cylinder 36, an extrusion frame 37, a T-shaped pipe 38 and a filter screen 39, wherein the middle part of the fixed block 31 is provided with the main air cavity 32, the left end and the right end of the fixed block 31 are symmetrically provided with the two diversion cavities 33, the air suction mechanisms 35 are connected between the main air cavity 32 and the diversion cavities 33, the left end and the right end of the fixed block 31 are provided with the two tightening air suction mechanisms 34, the tightening air suction mechanisms 34 are communicated with the diversion cavities 33, the upper end of the fixed block 31 is connected with the extrusion frame 37 through the working air cylinder 36, the lower end of the fixed block 31 is connected with the T-shaped pipe 38 through a connecting piece, and the filter screen 39 is clamped inside the T-shaped pipe 38.
The tightening air suction mechanism 34 comprises a moving frame 341, an air suction cavity 342, a sliding block 343, a return spring 344, a fitting head 345, a shielding net 346, a telescopic pipe 347 and an extrusion block 348, wherein the sliding block 343 is installed on the moving frame 341, the sliding block 343 is connected with the fixed block 31 in a sliding fit manner, the return spring 344 is connected between the sliding block 343 and the fixed block 31, the air suction cavity 342 is formed on the moving frame 341, the telescopic pipe 347 is communicated between the air suction cavity 342 and the distribution cavity 33, the lower end of the moving frame 341 is communicated with and installed with the fitting head 345, the soft film is sucked on the lower end surface of the fitting head 345, the shielding net 346 is installed inside the fitting head 345, the shielding net 346 intercepts particles sucked by mistake, the extrusion block 348 is installed on the upper end of the moving frame 341, the inclined surface of the extrusion block 348 is of a structure gradually inclining inwards from bottom to top, and the moving frame 341 moves outwards under the elasticity of the return spring 344 along with the rising of the extrusion frame 37, the lower end of the fitting head 345 is uniformly provided with air holes, the left side and the right side of the lower end of the extrusion frame 37 are connected with two extrusion rollers through pin shafts, the difficulty of extrusion with the inclined plane of the extrusion block 348 is reduced, and the extrusion rollers are fitted with the inclined plane of the extrusion block 348.
The suction mechanism 35 comprises a U-shaped pipe 351, an adjusting plate 352 and an air pump 353, the U-shaped pipe 351 is communicated between the main air cavity 32 and the flow dividing cavity 33, the air pump 353 is installed on the U-shaped pipe 351, the air pump 353 is communicated with the inner cavity of the U-shaped pipe 351, the U-shaped pipe 351 is connected with the adjusting plate 352 in a sliding fit mode, a first corresponding groove is formed in the middle of the adjusting plate 352, the first corresponding groove in the initial position is communicated with the inner cavity of the U-shaped pipe 351 correspondingly, the T-shaped pipe 38 can conveniently suck the soft film, and a second corresponding groove is formed in the lower end of the adjusting plate 352.
During specific work, the air suction in the fitting head 345 and the T-shaped pipe 38 sucks the soft membrane, then the working cylinder 36 drives the extrusion frame 37 and the adjusting plate 352 to ascend, in the ascending process of the adjusting plate 352, when the sealing part of the adjusting plate 352 shields the inner cavity of the U-shaped pipe 351, at the moment, the suction in the T-shaped pipe 38 is temporarily lost, the extrusion frame 37 does not extrude the inclined part of the extrusion block 348 any more while the suction is lost, the moving frames 341 arranged on the left and the right move in the reverse direction under the elasticity of the return spring 344, so that the two ends of the soft membrane are pulled in the reverse direction and tightened, the adjusting plate 352 continues to ascend, when the corresponding groove two is communicated with the inner cavity of the U-shaped pipe 351, at the moment, the suction in the T-shaped pipe 38 is provided again, so that the middle part of the soft membrane is sucked again, and the soft membrane is in a tightened state.
The gluing device 7 comprises a fixed seat 71, a heat-insulating frame 72, an electric roller 73, a glue coating layer 74, a piston plate 75, a lifting cylinder 76, an even spreading plate 77 and a sealing cover 78, wherein the fixed seat 71 is installed on the bottom plate 1, the heat-insulating frame 72 is installed at the right end of the fixed seat 71, the electric roller 73 is installed inside the heat-insulating frame 72, the glue coating layer 74 is annularly paved on the outer wall of the electric roller 73, the lifting cylinder 76 is installed in the middle of the fixed seat 71, the piston plate 75 is installed at the ejection end of the lifting cylinder 76 and is located inside the heat-insulating frame 72, the even spreading plate 77 is installed at the left end of the fixed seat 71, the sealing cover 78 is embedded in the fixed seat 71, the even spreading plate 77 and the electric roller 73 are located inside the sealing cover 78, during specific work, the even spreading plate 77 is driven to vibrate up and down through the lifting cylinder 76, and the heat-insulating effect of the heat-insulating frame 72 is matched, so as to prevent the solidification of glue inside the heat-insulating frame 72, and do benefit to the vibration of glue solution and paint on rubber coating 74, guaranteed that the glue solution on rubber coating 74 is comparatively sufficient, conveniently paint the lower surface of mantle, the mantle that paints the glue solution is comparatively even laying at the mantle lower surface through spreading even board 77 back glue solution.
Even board 77 of spreading out include hang plate 771, even piece 772 and two 773 of even piece of spreading out, the hang plate 771 is installed on fixing base 71, the structure that up is gradually to the right slope is down followed to the hang plate 771, even piece 772 is evenly installed on the upper end right side of hang plate 771, even piece two 773 of spreading out is evenly installed on the upper end left side of hang plate 771, and even piece one 772, two 773 of even piece of spreading out are left and right staggered arrangement, staggered arrangement's design does benefit to the even of spreading out of glue solution.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a processing technology is made to liquid crystal display backlight unit, its has used a pad pasting equipment, and this pad pasting equipment includes bottom plate (1), clamping device (2), air suction device (3), electronic slider (4), U type frame (5), connects cylinder (6) and rubber coating device (7), its characterized in that: the manufacturing and processing technology of the liquid crystal display screen backlight module by adopting the film sticking equipment is as follows:
s1, clamping and air suction: the backlight module is clamped and positioned by the clamping device (2), the air suction device (3) is driven by the electric slide block (4) to move rightwards until the air suction device (3) is positioned at the right side of the gluing device (7), and at the moment, the soft film is sucked by the air suction in the fitting head (345) and the T-shaped pipe (38);
s2, tightening treatment: after the soft membrane is sucked, the extrusion frame (37) and the adjusting plate (352) are driven to synchronously ascend through the working cylinder (36), the suction force in the T-shaped pipe (38) can be temporarily lost along with the ascending of the adjusting plate (352), the two tightening air suction mechanisms (34) reversely move to tighten the two sides of the soft membrane while the suction force is lost, and then the suction force in the T-shaped pipe (38) is recovered, so that the soft membrane is sucked again;
s3, gluing: the air suction device (3) is driven to move leftwards by the electric slide block (4) to reset, and the lower surface of the tightened soft film is uniformly coated with glue by the gluing device (7);
s4, pasting a film finished product: the connection cylinder (6) drives the glued flexible film to descend so as to be stuck on the backlight module to form a finished product;
the left end of the bottom plate (1) is provided with the clamping device (2), the right end of the bottom plate (1) is provided with the gluing device (7), the front end and the rear end of the bottom plate (1) are symmetrically provided with the electric sliding blocks (4), the electric sliding blocks (4) are provided with the U-shaped frame (5), and the connecting air cylinder (6) is connected between the upper end of the U-shaped frame (5) and the air suction device (3);
the air suction device (3) comprises a fixed block (31), a main air cavity (32), two shunting cavities (33), two tightening air suction mechanisms (34), two air suction mechanisms (35), a working cylinder (36), an extrusion frame (37), a T-shaped pipe (38) and a filter screen (39), the middle part of the fixed block (31) is provided with a main air cavity (32), the left end and the right end of the fixed block (31) are symmetrically provided with two shunting cavities (33), an air suction mechanism (35) is connected between the main air cavity (32) and the shunting cavities (33), the left end and the right end of the fixed block (31) are provided with two tightening air suction mechanisms (34), the tightening air suction mechanisms (34) are communicated with the shunting cavities (33), the upper end of the fixed block (31) is connected with a squeezing frame (37) through a working air cylinder (36), the lower end of the fixed block (31) is connected with a T-shaped pipe (38) through a connecting piece, and a filter screen (39) is clamped inside the T-shaped pipe (38);
the tightening air suction mechanism (34) comprises a moving frame (341), an air suction cavity (342), a sliding block (343), a return spring (344), a fitting head (345), a shielding net (346), a telescopic pipe (347) and an extrusion block (348), wherein the sliding block (343) is installed on the moving frame (341), the sliding block (343) is connected with the fixed block (31) in a sliding fit manner, the return spring (344) is connected between the sliding block (343) and the fixed block (31), the air suction cavity (342) is formed in the moving frame (341), the telescopic pipe (347) is communicated between the air suction cavity (342) and the flow distribution cavity (33), the fitting head (345) is communicated with the lower end of the moving frame (341), the shielding net (346) is installed inside the fitting head (345), and the extrusion block (348) is installed at the upper end of the moving frame (341);
the air suction mechanism (35) comprises a U-shaped pipe (351), an adjusting plate (352) and an air pump (353), the U-shaped pipe (351) is communicated between the main air cavity (32) and the flow distribution cavity (33), the air pump (353) is installed on the U-shaped pipe (351), the air pump (353) is communicated with the inner cavity of the U-shaped pipe (351), and the U-shaped pipe (351) is connected with the adjusting plate (352) in a sliding fit mode;
the middle part of the adjusting plate (352) is provided with a first corresponding groove, the first corresponding groove at the initial position is correspondingly communicated with the inner cavity of the U-shaped pipe (351), and the lower end of the adjusting plate (352) is provided with a second corresponding groove.
2. The manufacturing process of the backlight module of the liquid crystal display screen according to claim 1, wherein: clamping device (2) including base (21), two holding frame (22) and two actuating cylinder (23) of driving, both ends are connected with two holding frame (22) through sliding fit's mode about base (21), are connected with between the inner of holding frame (22) and base (21) and drive actuating cylinder (23).
3. The manufacturing process of the backlight module of the liquid crystal display screen as claimed in claim 1, wherein: the inclined plane of the extrusion block (348) is of a structure which is gradually inclined inwards from bottom to top, and air holes are uniformly formed at the lower end of the fitting head (345).
4. The manufacturing process of the backlight module of the liquid crystal display screen as claimed in claim 1, wherein: the left side and the right side of the lower end of the extrusion frame (37) are connected with two extrusion rollers through pin shafts, and the extrusion rollers are attached to the inclined surfaces of the extrusion blocks (348).
5. The manufacturing process of the backlight module of the liquid crystal display screen as claimed in claim 1, wherein: the gluing device (7) comprises a fixed seat (71), a heat preservation frame (72), an electric roller (73), a gluing layer (74), a piston plate (75), a lifting cylinder (76), a spreading plate (77) and a sealing cover (78), wherein the fixed seat (71) is installed on the base plate (1), the heat preservation frame (72) is installed at the right end of the fixed seat (71), the electric roller (73) is installed inside the heat preservation frame (72), the gluing layer (74) is annularly paved on the outer wall of the electric roller (73), the lifting cylinder (76) is installed in the middle of the fixed seat (71), the piston plate (75) is installed at the ejection end of the lifting cylinder (76), the piston plate (75) is located inside the heat preservation frame (72), the spreading plate (77) is installed at the left end of the fixed seat (71), and the sealing cover (78) is embedded in the fixed seat (71), the leveling plate (77) and the electric roller (73) are positioned inside the sealing cover (78).
6. The manufacturing process of the backlight module of the liquid crystal display screen according to claim 5, wherein: even board (77) of spreading out include hang plate (771), even piece (772) and even piece two (773) of spreading out, hang plate (771) is installed on fixing base (71), hang plate (771) is from up the structure for gradually inclining to the right side down, even piece one (772) of spreading out is evenly installed to the upper end right side of hang plate (771), even piece two (773) of spreading out is evenly installed on the upper end left side of hang plate (771), and even piece one (772), even piece two (773) of spreading out are for controlling staggered arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299055.7A CN113050312B (en) | 2021-03-20 | 2021-03-20 | Manufacturing and processing technology of liquid crystal display screen backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110299055.7A CN113050312B (en) | 2021-03-20 | 2021-03-20 | Manufacturing and processing technology of liquid crystal display screen backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113050312A CN113050312A (en) | 2021-06-29 |
| CN113050312B true CN113050312B (en) | 2022-07-19 |
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| CN114308587B (en) * | 2021-11-24 | 2023-05-12 | 李金慧 | Energy-saving heat-preservation PC board surface treatment method |
| CN114527590B (en) * | 2022-03-03 | 2022-11-25 | 安徽世阳光电有限公司 | Assembling and laminating equipment for liquid crystal display panel and backlight module |
| CN114442351B (en) * | 2022-03-14 | 2022-09-06 | 安徽世阳光电有限公司 | Liquid crystal glass polaroid buffering formula paster device |
| CN114849972B (en) * | 2022-04-21 | 2023-08-04 | 安徽隆润高分子材料有限公司 | Geotextile, preparation method and preparation system |
| CN115041365B (en) * | 2022-07-18 | 2023-10-20 | 安徽世阳光电有限公司 | Adhesive dispensing device for processing liquid crystal display screen |
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Effective date of registration: 20220628 Address after: 425300 Pentium Park, Chuangye Road, high tech Zone, Dao County Industrial Park, Yongzhou City, Hunan Province Applicant after: Hunan hengxiankun Photoelectric Technology Co.,Ltd. Address before: 210029 No. 209, Hanzhoung Road, Nanjing, Jiangsu Applicant before: Shi Guilan |
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Denomination of invention: A manufacturing process for backlight module of LCD display screen Granted publication date: 20220719 Pledgee: Agricultural Bank of China Limited Daoxian sub branch Pledgor: Hunan hengxiankun Photoelectric Technology Co.,Ltd. Registration number: Y2024980008245 |