CN210348134U - LCD screen production and processing system - Google Patents
LCD screen production and processing system Download PDFInfo
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- CN210348134U CN210348134U CN201921625291.8U CN201921625291U CN210348134U CN 210348134 U CN210348134 U CN 210348134U CN 201921625291 U CN201921625291 U CN 201921625291U CN 210348134 U CN210348134 U CN 210348134U
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Abstract
The utility model discloses a LCD screen production and processing system, the LCD screen includes touch-sensitive screen and the LCD module that the bonding is connected, LCD screen production and processing system is including covering gluey equipment, hot pressing laminating equipment, deaeration equipment and UV solidification equipment, it is used for covering at a side of touch-sensitive screen and establishes the rete to cover gluey equipment, hot pressing laminating equipment is used for obtaining first semi-manufactured goods to covering the touch-sensitive screen and the laminating of LCD module hot pressing that establish the rete, deaeration equipment is used for right first semi-manufactured goods carry out the deaeration and obtain second semi-manufactured goods, UV solidification equipment is used for right second semi-manufactured goods solidify and obtain the LCD screen finished product. The utility model provides a high-quality efficient LCD screen production and processing system.
Description
Technical Field
The utility model relates to a display screen deaeration equipment field especially relates to a LCD screen production and processing system.
Background
In the prior art, the production of the liquid crystal display is mainly divided into four links: the method comprises the following steps of gluing, pressing, defoaming and curing, wherein in the prior art, a coherent production system is not formed in the four links, and each link has defects, for example, in the prior art, the gluing and pressing are manually aligned, so that the phenomenon of high defective rate caused by the fact that the alignment angle is not in place is easy to occur;
for another example, the existing defoaming equipment adopts vacuum defoaming, and the time for discharging bubbles in the central area of the glass out of the interlayer is long;
in addition, in the prior art, the glass screen is directly placed on the conveyor belt, the curing uniformity effect is not ideal, and a long curing path is required.
An efficient production and processing assembly line aiming at improving the effect of a liquid crystal display screen is lacked in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a LCD screen production and processing system, technical scheme is as follows:
the utility model provides a liquid crystal display production and processing system, the liquid crystal display includes touch-sensitive screen and the liquid crystal module that the bonding is connected, liquid crystal display production and processing system is including rubber coating equipment, hot pressing laminating equipment, deaeration equipment and UV solidification equipment, rubber coating equipment is used for covering at a side of touch-sensitive screen and establishes the rete, hot pressing laminating equipment is used for covering the touch-sensitive screen and the liquid crystal module hot pressing laminating of establishing the rete and obtains first semi-manufactured goods, deaeration equipment is used for carrying out the deaeration to first semi-manufactured goods and obtains the second semi-manufactured goods, UV solidification equipment is used for right the second semi-manufactured goods solidifies and obtains the liquid crystal display finished product;
the glue coating equipment comprises a first semi-finished product of the base platform, a first plate arranged on the first semi-finished product of the base platform, a second plate capable of being turned over, a driving assembly for driving the second plate to be turned over, a first air extractor and a second air extractor, wherein the first air extractor is used for extracting air between an object placed on the second plate and the second plate, and the second air extractor is used for enabling air between the object placed on the first plate and the first plate; the driving assembly comprises two base bodies arranged on the first semi-finished product of the base platform, a fixed shaft arranged between the two base bodies, a rotary disc sleeved on the fixed shaft and a motor for driving the rotary disc to rotate, the rotary disc is fixed with the second plate, and the rotary disc can drive the second plate to rotate under the driving of the motor until the second plate covers the first plate;
the hot-pressing laminating equipment comprises a hot-pressing cabin body, and a first heating device and a jacking device which are arranged in the hot-pressing cabin body, wherein the jacking device is used for pushing down a tool to enable the lower surface of a touch screen on the tool to be in contact with the upper surface of a liquid crystal module, and the first heating device is used for melting a glue film between the touch screen and the liquid crystal module to enable the touch screen to be bonded with the liquid crystal module to obtain a first semi-finished product;
the defoaming device comprises a defoaming bin, a high-pressure air flow source arranged in the defoaming bin, a second heating device, an operating plate, an air cylinder driving device and a vacuum-pumping pump arranged outside the defoaming bin, wherein the defoaming bin is provided with a sealed bin door capable of being opened and closed, the second heating device is used for heating the defoaming bin, and an air pumping port of the vacuum-pumping pump is communicated with the defoaming bin; the high-pressure airflow source is arranged above the cylinder driving device, the cylinder driving device is used for driving the operating plate to move towards the direction of the high-pressure airflow source, and the operating plate is used for placing a first semi-finished product to be defoamed so that the first semi-finished product is opposite to a nozzle of the high-pressure airflow source;
the UV curing equipment comprises a conveyor belt, a curing bin and one or more glass screen fixing units, wherein the curing bin is arranged above the conveyor belt, the one or more glass screen fixing units can sequentially pass through the curing bin under the conveying of the conveyor belt, the curing bin is provided with an arched bin wall, and a plurality of UV curing lamps are arranged on the arched bin wall along the arched direction; the glass screen fixing unit is used for installing a second semi-finished product and driving the second semi-finished product to rotate.
The hot-pressing laminating equipment further comprises a positioning tool, wherein the positioning tool comprises a top seat and a base, a through hole and at least two positioning holes are formed in the top seat, a step used for supporting and carrying the touch screen is arranged on the inner edge of the through hole in a protruding mode, a boss used for positioning and placing the liquid crystal module, a positioning column correspondingly matched with the positioning holes in the top seat and a first elastic piece capable of generating compression deformation are arranged on the base, and an adhesive film is arranged on the lower surface of the touch screen and/or the upper surface of the liquid crystal module;
when the positioning column of the base extends into the positioning hole of the top seat, under the condition that the first elastic piece supports the top seat, the lower surface of the touch screen in the through hole is suspended and oppositely arranged with the upper surface of the liquid crystal module on the boss;
the jacking device is used for applying external force to the first elastic piece, and under the condition that the first elastic piece is compressed, the lower surface of the touch screen can be in contact with the upper surface of the liquid crystal module.
Further, still be equipped with on the footstock and dodge the hole, dodge the hole with the through-hole intercommunication, dodge the hole and be used for placing flexible circuit board on the touch-sensitive screen.
Further, the fixed unit of glass screen includes base, driving motor, sets up the axis of rotation in the base top through the pole setting, be equipped with two relative settings be used for the centre gripping to treat the second semi-manufactured goods's of solidification clamp splice in the axis of rotation, under driving motor's drive, the axis of rotation can drive the second semi-manufactured goods rotate.
Furthermore, one end of each clamping block is installed on the rotating shaft through a second elastic piece, and when the clamping blocks clamp the second semi-finished product, the second elastic pieces are in a compressed state.
Furthermore, one or more air exhaust holes matched with the air exhaust pipe of the second air exhaust device are formed in the first plate, and one or more air exhaust holes matched with the air exhaust pipe of the second air exhaust device are formed in the second plate.
Further, the heating temperature range of the first heating device is 35-45 ℃, and the heating temperature range of the second heating device is 45-70 ℃.
Further, the maximum height difference between the operating plate and the high-pressure airflow source is larger than 60cm, and the minimum height difference between the operating plate and the high-pressure airflow source is smaller than 20cm under the driving of the cylinder driving device.
Further, the number of the nozzles of the high-pressure air flow source is plural, and the nozzles are used for spraying air flows to the plurality of first semi-finished products placed on the operation plate in a one-to-one correspondence manner.
Further, the first heating device is a heating resistance wire or an irradiation lamp, and the second heating device is a heating resistance wire or an irradiation lamp.
The utility model discloses following technological effect has:
a. positioning the touch screen by using the top seat, positioning the liquid crystal module by using the base, and positioning and buckling the top seat and the base to realize alignment and lamination of the touch screen and the liquid crystal module;
b. the hot-pressing laminating equipment is provided with a rotatable first platform and a rotatable second platform, one platform can be used for placing a positioning tool to be transferred into the bin body for hot-pressing laminating while being in hot-pressing laminating in the bin body, and the production efficiency is improved;
c. firstly, air flow is used for driving bubbles in the center of the glass to the periphery, and then vacuum defoaming is carried out, so that the defoaming effect is uniform;
d. the defoaming time is shortened, and the defoaming efficiency is improved;
e. the glass screen is driven to rotate in the curing process, so that the curing effect is uniform;
f. the curing efficiency is improved, and the curing path is shortened.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a glue coating apparatus provided by an embodiment of the present invention;
fig. 2 is a schematic side view of a hot press bonding apparatus provided in an embodiment of the present invention;
fig. 3 is a top view of the positioning tool provided in the embodiment of the present invention;
fig. 4 is a front view of a positioning tool provided in an embodiment of the present invention;
fig. 5 is a top view of a top seat of the positioning tool provided in the embodiment of the present invention;
fig. 6 is a top view of a base of the positioning tool according to an embodiment of the present invention;
fig. 7 is a front view of a base of a positioning tool according to an embodiment of the present invention;
fig. 8 is a side view of a base of a positioning tool according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an initial state of a defoaming apparatus provided in an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a defoaming apparatus with an operation panel driven according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a UV curing apparatus provided in an embodiment of the present invention;
fig. 12 is a side view of a curing bin of a UV curing apparatus provided by an embodiment of the present invention;
fig. 13 is a schematic view of a state that the glass screen fixing unit provided by the embodiment of the present invention clamps the second semi-finished product.
Wherein the reference numerals include: 11-a base table, 12-a second plate, 121-a second positioning area, 13-a first plate, 131-a first positioning area, 141-a turntable, 142-a fixed shaft and 143-a seat body; 21-a top seat, 211-a step, 212-an avoidance hole, 213-a positioning hole, 214-a through hole, 22-a base, 221-a boss, 222-a first elastic part, 223-a positioning column, 23-a hot pressing cabin body, 24-a first heating device, 25-a top pressing device, 26-a rotating shaft, 271-a first platform, 272-a second platform, 28-a hot pressing device and 29-a positioning tool; 31-a deaeration bin, 32-a high-pressure air flow source, 321-a nozzle, 33-an operation plate, 331-a flexible cushion, 34-a cylinder driving device, 35-a vacuum pump, 36-a second heating device, 37-a first semi-finished product and 38-a positioning plate; 41-conveyor belt, 42-curing bin, 421-UV curing lamp, 43-glass screen fixing unit, 431-base, 432-vertical rod, 433-second elastic piece, 434-clamping block, 435-rotating shaft and 44-second semi-finished product.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
In an embodiment of the utility model, a liquid crystal display production and processing system is provided, as shown in fig. 1, the liquid crystal display includes touch-sensitive screen and the liquid crystal module that the bonding is connected, liquid crystal display production and processing system is including rubber coating equipment, hot pressing laminating equipment, deaeration equipment and UV curing apparatus, rubber coating equipment is used for covering at a side of touch-sensitive screen and establishes the glued membrane layer, hot pressing laminating equipment is used for obtaining first semi-manufactured goods to covering the touch-sensitive screen and the laminating of liquid crystal module hot pressing that establish the glued membrane layer, deaeration equipment is used for right first semi-manufactured goods carries out the deaeration and obtains second semi-manufactured goods, UV curing apparatus is used for right the second semi-manufactured goods solidifies and obtains the liquid crystal display finished goods. The structures of these four devices are explained below:
regarding the glue coating equipment:
in an embodiment of the present invention, as shown in fig. 1, the glass coating apparatus includes a base platform 11, a first plate 13 disposed on the base platform 11, a second plate 12 capable of being turned over, a driving assembly for driving the second plate 12 to be turned over, and a first air extractor and a second air extractor, wherein the upper surfaces of the first plate 13 and the second plate 12 are preferably flat structures. The first air extracting means is for extracting air between the object placed on the second plate 12 and the second plate 12, and the second air extracting means is for extracting air between the object placed on the first plate 13 and the first plate 13.
The driving assembly includes two base bodies 143 disposed on the base platform 11, a fixing shaft 142 disposed between the two base bodies 143, a rotating disc 141 sleeved on the fixing shaft 142, and a motor for driving the rotating disc 141 to rotate, wherein the rotating disc 141 is fixed to the second plate 12, and under the driving of the motor, the rotating disc 141 can drive the second plate 12 to rotate until the second plate 12 covers the first plate 13.
In an embodiment of the present invention, the first air extractor main body is disposed below the second plate 12, and the first air extractor and the second plate 12 are connected by an air extracting pipe (not shown), specifically, the second plate 12 is provided with one or more air extracting holes matched with the air extracting pipe of the first air extractor, preferably, the second plate 12 is provided with a plurality of air extracting holes, and the air extracting pipes of the first air extractor pass through the corresponding air extracting holes to reach (but not extend out of) the upper surface of the second plate 12.
Similarly, the second air extractor body is disposed below the first plate 13, and the first air extractor body is connected to the first plate 13 through an air extracting pipe (not shown), specifically, one or more air extracting holes matched with the air extracting pipe of the second air extractor are disposed on the first plate 13, preferably, a plurality of air extracting holes are disposed on the first plate 13, and the air extracting pipes of the second air extractor body pass through the corresponding air extracting holes to reach (but do not protrude from) the upper surface of the first plate 13.
As shown in fig. 1, the first plate member 13 and the second plate member 12 are rectangular plates. Correspondingly, the number of the rotating discs 141 is two, the two rotating discs 141 are respectively fixedly connected with two sides of the second plate 12, and preferably, the rotating discs 141 are connected with the second plate 12 in a welding manner.
The operation of the glass coating equipment in fig. 1 is as follows:
place the glass piece on second plate 12, place the glued membrane piece on first plate 13, the upper and lower both sides of glued membrane piece all are equipped with from type paper, for the convenient position of placing of confirming glass piece and glued membrane piece, preferably, be equipped with third location district 131 on the first plate 13, be equipped with second location district 121 on the second plate 12, be about to the glass piece is placed in second location district 121, places the glued membrane piece in third location district 131 for follow-up second plate 12 reversal back, glass piece and glued membrane piece can coincide from top to bottom.
Secondly, the air extractor is started (the first air extractor and the second air extractor can be two independent air extractors, or can be integrated into one air extractor, and a plurality of air extraction pipes are configured to extract air from the first plate 13 and the second plate 12 respectively), the first air extractor extracts air between the glass sheet and the second plate 12, and the second air extractor extracts air between the adhesive film sheet and the first plate 13, so that an approximate vacuum state is formed, and thus, the glass sheet is ensured to be completely attached to the surface of the smooth second plate 12, and the adhesive film sheet is ensured to be completely attached to the surface of the smooth first plate 13. In an embodiment of the present invention, a buffer pad is laid on the second plate 12, a through hole penetrating through the suction hole on the second plate 12 is formed on the buffer pad, and the buffer pad plays a role in protecting the glass sheet.
After air is exhausted for a period of time and the delamination type paper on the adhesive film is torn off, the motor is started to drive the rotating disc 141 to rotate, so as to drive the second plate 12 to rotate towards the first plate 1 until the second plate 12 covers the first plate 13, and the covering does not mean that the second plate 12 completely covers the first plate 13, and according to the specific size of each plate, the second plate 12 may cover the whole of the first plate 13 or the part of the first plate 13. When the second plate 12 is covered on the first plate 13, the glass sheet in the second positioning area 121 is aligned and overlapped with the adhesive film sheet in the third positioning area 131, and preferably, the adhesive film sheet is slightly smaller than the periphery of the glass sheet, so that when the glass sheet is subsequently fed into a high-temperature environment and then melted, the glue is prevented from overflowing.
The embodiment of the utility model provides a glass covers gluey equipment presses through the unified processing of equipment, and the stable in quality is homogeneous.
Hot-pressing laminating equipment
In an embodiment of the present invention, as shown in fig. 2, the dual-turntable type hot pressing system includes a hot pressing and laminating apparatus 28 and a positioning tool 29, as shown in fig. 3, the positioning tool 29 includes a top seat 21 and a base 22, the top seat 21 is provided with a through hole 214 and at least two positioning holes 213, the inner edge of the through hole 214 is extended out to be provided with a step 211 for supporting and carrying the touch screen, the base 22 is provided with a boss 221 for positioning and placing the liquid crystal module, a positioning post 223 correspondingly matched with the positioning hole 213 on the top seat 21 and a first elastic member 222 capable of generating compression deformation, and the lower surface of the touch screen and/or the upper surface of the liquid crystal module are provided with adhesive films; when the positioning post 223 of the base 22 extends into the positioning hole 213 of the top base 21, under the condition that the first elastic member 222 supports the top base 21, the lower surface of the touch screen in the through hole 214 and the upper surface of the liquid crystal module on the boss 221 are suspended and oppositely arranged, as shown in fig. 4; when an external force is applied to compress the first elastic member 222 downwards, the lower surface of the touch screen can contact the upper surface of the liquid crystal module. The through hole 214 and the boss 221 are rectangular, and the boss 221 is smaller than the through hole 214, so that when an external force compresses the first elastic member 222, the liquid crystal module on the boss 221 and/or the boss 221 can enter the through hole 214 and be attached to the touch screen. Optionally, the lower surface of the touch screen and/or the upper surface of the liquid crystal module are provided with adhesive films, and when the liquid crystal module contacts with the touch screen, the liquid crystal module and the touch screen can be attached to each other through the adhesive films.
The hot-pressing laminating equipment 28 comprises a hot-pressing cabin body 23, a first heating device 24, a jacking device 25, a rotating shaft 26, a first platform 271 and a second platform 272 which are respectively arranged at two ends of the rotating shaft 26, and a driving device for driving the rotating shaft 26 to rotate, wherein the first heating device 24 and the jacking device 25 are arranged in the hot-pressing cabin body 23, the first platform 271 and the second platform 272 are used for supporting and carrying a positioning tool 29, and under the driving of the driving device, the first platform 271 and the second platform 272 alternately drive the positioning tool 29 to rotate to an area in the hot-pressing cabin body 23 and opposite to the jacking device 25; the drive means is preferably an electric motor, which drives the shaft 26 through 180 ° each time.
When the positioning post 223 of the base 22 extends into the positioning hole 213 of the top base 21, under the condition that the first elastic member 222 supports the top base 21, the lower surface of the touch screen in the through hole 214 and the upper surface of the liquid crystal module on the boss 221 are suspended and oppositely arranged;
the jacking device 25 is used for applying an external force to the first elastic member 222 on the base 22 of the positioning tool 29, under the condition that the first elastic member 222 is compressed, the lower surface of the touch screen can be in contact with the upper surface of the liquid crystal module, the first heating device 24 is used for melting an adhesive film between the touch screen and the liquid crystal module to bond the touch screen and the liquid crystal module, and preferably, the heating temperature range of the first heating device 24 is 35-45 ℃.
The above-mentioned "the first platform 271 and the second platform 272 alternately drive the positioning tool 29 to rotate into the thermal pressing chamber 23", indicates that when the first platform 271 rotates to the area opposite to the jacking device 25, the second platform 272 is located outside the thermal pressing chamber 23; alternatively, when the second platform 272 rotates to the region opposite to the abutting device 25, the first platform 271 is located outside the thermal pressing cabin 23.
The utility model discloses an embodiment, still be equipped with dodge hole 12 on footstock 21, dodge hole 12 with through-hole 214 intercommunication, dodge hole 12 and be used for placing flexible Circuit board (flexibleeprinted Circuit, for short FPC) on the touch-sensitive screen to it is right to avoid in footstock 21 and base 22 pressfitting process FPC causes the damage.
In an embodiment of the present invention, the boss 221 is provided with a stopper and/or a stopper for positioning the liquid crystal module, so that the liquid crystal module can be accurately placed at a position where the liquid crystal module can be aligned with the touch screen; the first platform 271 and the second platform 272 are both provided with a limiting block and/or a limiting strip for limiting the positioning tool 29, so that the positioning tool 29 is prevented from shifting left and right.
As shown in fig. 5 and 6, the embodiment of the present invention provides a positioning tool 29 in which the top seat 21 and the base 22 are rectangular, the positioning hole 213 is disposed at four corners of the top seat 21, and the positioning column 223 is disposed at four corners of the base 22, so as to realize stable locking of the top seat 21 and the base 22, and prevent left and right deviation. Preferably, the four corner edges of the top seat 21 and the bottom seat 22 are rounded off.
In an embodiment of the present invention, the first elastic member 222 is a spring, and the height of the spring is lower than the length of the positioning column 223, as shown in fig. 7 and 8, the number of the first elastic members 222 is plural and is distributed on the periphery of the boss 221.
The embodiment of the utility model discloses a double-turntable type hot-pressing laminating system, including hot-pressing laminating equipment and a positioning tool, the positioning tool comprises a top seat and a base which are matched with each other in a positioning lock, a through hole which can support and carry a touch screen is arranged on the top seat, a liquid crystal module is supported and carried on the base, an elastic part which supports and carries the top seat so as to suspend the touch screen and the liquid crystal module is arranged on the base, and a glue film is arranged on the lower surface of the touch screen; the hot-pressing laminating equipment comprises a cabin, a first heating device, a jacking device, a rotating shaft, a first platform, a second platform and a driving device for driving the rotating shaft to rotate, wherein the first platform and the second platform are used for supporting and carrying a positioning tool, the first platform and the second platform alternately drive the positioning tool to rotate to the cabin under the driving of the driving device, the jacking device compresses a spring to enable a touch screen to be in contact with a liquid crystal module, and the first heating device is used for melting a glue film. The utility model discloses a hot pressing laminating system can realize accurately in position that touch-sensitive screen and liquid crystal module just to the laminating, reduce the product defective rate, improve machining efficiency.
Defoaming equipment
In an embodiment of the present invention, as shown in fig. 9, the defoaming apparatus includes a defoaming chamber 31, a high-pressure air flow source 32 disposed in the defoaming chamber 31, a second heating device 36, an operation plate 33, a cylinder driving device 34, and a vacuum pump 35 disposed outside the defoaming chamber 31, the defoaming chamber 31 has an openable sealed door, the heating device 36 is used for heating the defoaming chamber 31, the second heating device 36 can be selected as a heating resistance wire or an irradiation lamp, the number of the second heating devices 36 is preferably plural, and the second heating devices can be distributed on the wall of the defoaming chamber 31, the heating temperature range of the second heating device 36 is preferably 45 to 70 ℃, and the suction opening of the vacuum pump 35 is communicated with the defoaming chamber 31.
The high-pressure air flow source 32 is disposed above the cylinder driving device 34, the cylinder driving device 34 is used for driving the operation plate 33 to move towards the high-pressure air flow source 32 (from the state of fig. 9 to the state of fig. 10), and the operation plate 33 is used for placing a first semifinished product 37 to be defoamed, so that the first semifinished product 37 is disposed opposite to the nozzle 321 of the high-pressure air flow source 32. Preferably, a flexible pad 331 is provided on the operation plate 33 to prevent the first semi-finished product 337 from being broken by the impact of a strong air flow.
As shown in fig. 9 and 10, the number of the nozzles 321 of the high-pressure gas flow source 32 is plural, and the nozzles are used for injecting gas flows to the plurality of first semi-finished products 337 placed on the operation plate 33 in a one-to-one correspondence, and preferably, the source pressure of the high-pressure gas flow source 32 is greater than 10 Mpa.
In an embodiment of the present invention, a control panel is disposed outside the deaeration chamber 31, and the control panel is integrated with control switches for respectively controlling the high-pressure air flow source 32, the second heating device 36, the cylinder driving device 34 and the vacuum pump 35.
In an embodiment of the present invention, a positioning plate 38 is fixedly disposed on the driving end of the cylinder driving device 34, the operation plate 33 is placed on the positioning plate 38, and the positioning plate 38 is used for positioning the operation plate 33. Furthermore, the positioning plate 38 is provided with a sliding slot for the sliding of the operating plate 33 and a positioning block for positioning the operating plate 33. Through the chute, the operation plate 33 can move into or out of the deaeration chamber 31.
As shown in fig. 9, the maximum height difference between the operation plate 33 and the high-pressure gas flow source 32 is larger than 60cm, and as shown in fig. 10, the minimum height difference between the operation plate 33 and the high-pressure gas flow source 32 is smaller than 20cm, under the driving of the cylinder driving device 34.
The utility model discloses a working process that is used for first semi-manufactured goods deaeration equipment as follows:
1) arranging a first semi-finished product 37 to be defoamed at a designated position of the operation plate 33;
2) pushing the operating plate 33 into the defoaming chamber 31 along the slide groove of the positioning plate 38;
3) closing the sealing bin door, and opening a second heating device 36 in the sealed defoaming bin 31;
4) after heating for a certain time, the high-pressure air flow source 32 is turned on, and the high-pressure air flow is sprayed to the center of the corresponding first semi-finished product 37 through the nozzle 321;
5) activating a cylinder driving device 34 to drive an operation plate 33 to move a distance close to the high-pressure airflow source 32;
6) closing the cylinder driving device 34, and opening the vacuum-pumping pump 35 to form a vacuum or near vacuum state in the deaeration bin 31;
7) standing for a period of time to finish defoaming, and obtaining a second semi-finished product from the defoaming bin by the operation plate 33.
The embodiment of the utility model provides a defoaming equipment adopts high-pressure draught earlier to drive the regional bubble of glass center by the center to all around, then the defoaming of stewing under vacuum environment shortens whole deaeration time to improve the deaeration effect.
About UV curing equipment
In an embodiment of the present invention, as shown in fig. 11, the UV curing apparatus includes a conveyor belt 41, a curing bin 42 disposed above the conveyor belt 41, and one or more glass screen fixing units 43 capable of sequentially passing through the curing bin 42 under the conveyance of the conveyor belt 41, wherein the curing bin 42 has an arched bin wall, and a plurality of UV curing lamps 421 are disposed on the arched bin wall along an arched direction; the glass screen fixing unit 43 is used for installing a second semi-finished product 44 to be cured and driving the second semi-finished product 44 to rotate. As shown in fig. 11, the conveyor belt 41 is of an annular structure, and the conveyor belt 41 is woven by palm fiber ropes or a cushion body woven by palm fiber ropes is laid above the conveyor belt 41, which is beneficial to heat dissipation of the glass screen during or after curing.
In an embodiment of the present invention, referring to fig. 13, the glass screen fixing unit 43 includes a base 431, a driving motor, and a rotating shaft 435 disposed above the base 431 through a vertical rod 432, wherein two oppositely disposed clamping blocks 434 for clamping the second semi-finished product 44 to be cured are disposed on the rotating shaft 435, and the rotating shaft 435 can drive the second semi-finished product 44 to rotate under the driving of the driving motor. As shown in fig. 13, one end of each of the clamping blocks 434 is mounted on the rotating shaft 435 via a second elastic member 433, and when the clamping blocks 434 clamp the second semi-finished product 44, the second elastic members 433 are in a compressed state, and preferably, a flexible protective layer is disposed on one side of the clamping blocks 434, which clamps the second semi-finished product 44. In an embodiment of the present invention, the driving motor is also disposed on the corresponding base 431, and a switch for controlling the driving motor to start or stop is further disposed on the base 431.
In an embodiment of the present invention, referring to fig. 12, the UV curing lamps 421 are in the shape of a strip, and a plurality of UV curing lamps 421 are arranged in parallel along the length direction of the arched bin wall of the curing bin 42. Preferably, each UV curing lamp 421 emits a light signal toward the center height of the arched bin wall.
The utility model discloses a defoaming equipment adopts high-pressure draught earlier to drive the regional bubble of glass center by the center to all around, then the defoaming of stewing under vacuum environment shortens whole deaeration time to improve the deaeration effect. Utilize the embodiment of the utility model provides a UV curing equipment makes the glass screen pass through the solidification storehouse with rotatory state, improves the homogeneity of UV solidification, improves curing efficiency simultaneously, shortens the solidification route.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A liquid crystal display production and processing system is characterized by comprising a glue coating device, a hot-pressing laminating device, a defoaming device and a UV curing device, wherein the glue coating device is used for coating a glue film layer on one side surface of a touch screen;
the glue coating equipment comprises a base platform (11), a first plate (13) arranged on the base platform (11), a second plate (12) capable of being turned over, a driving assembly for driving the second plate (12) to be turned over, a first air extractor and a second air extractor, wherein the first air extractor is used for extracting air between an object placed on the second plate (12) and the second plate (12), and the second air extractor is used for enabling air between the object placed on the first plate (13) and the first plate (13); the driving assembly comprises two base bodies (143) arranged on a base platform (11), a fixed shaft (142) arranged between the two base bodies (143), a rotating disc (141) sleeved on the fixed shaft (142) and a motor for driving the rotating disc (141) to rotate, the rotating disc (141) is fixed with the second plate (12), and under the driving of the motor, the rotating disc (141) can drive the second plate (12) to rotate until the second plate (12) covers the first plate (13);
the hot-pressing laminating equipment comprises a hot-pressing cabin body (23), and a first heating device (24) and a jacking device (25) which are arranged in the hot-pressing cabin body (23), wherein the jacking device (25) is used for pushing down a tool to enable the lower surface of a touch screen on the tool to be in contact with the upper surface of a liquid crystal module, and the first heating device (24) is used for melting a glue film between the touch screen and the liquid crystal module to enable the touch screen to be bonded with the liquid crystal module to obtain a first semi-finished product;
the defoaming device comprises a defoaming bin (31), a high-pressure air flow source (32) arranged in the defoaming bin (31), a second heating device (36), an operating plate (33), a cylinder driving device (34) and a vacuum pump (35) arranged outside the defoaming bin (31), wherein the defoaming bin (31) is provided with a sealed bin door which can be opened and closed, the second heating device (36) is used for heating the defoaming bin (31), and an air suction port of the vacuum pump (35) is communicated with the defoaming bin (31); the high-pressure air flow source (32) is arranged above the cylinder driving device (34), the cylinder driving device (34) is used for driving the operation plate (33) to move towards the direction of the high-pressure air flow source (32), the operation plate (33) is used for placing a first semi-finished product (37) to be defoamed, and the first semi-finished product (37) is arranged opposite to a nozzle (321) of the high-pressure air flow source (32);
the UV curing equipment comprises a conveyor belt (41), a curing bin (42) arranged above the conveyor belt (41) and one or more glass screen fixing units (43) capable of sequentially passing through the curing bin (42) under the conveying of the conveyor belt (41), wherein the curing bin (42) is provided with an arched bin wall, and a plurality of UV curing lamps (421) are arranged on the arched bin wall along the arched direction; the glass screen fixing unit (43) is used for installing a second semi-finished product (44) and driving the second semi-finished product (44) to rotate.
2. The liquid crystal display production and processing system of claim 1, wherein the hot-press laminating equipment further comprises a positioning tool (29), the positioning tool (29) comprises a top seat (21) and a base (22), a through hole (214) and at least two positioning holes (213) are formed in the top seat (21), a step (211) for supporting the touch screen is extended out of the inner edge of the through hole (214), a boss (221) for positioning and placing the liquid crystal module, a positioning column (223) correspondingly matched with the positioning hole (213) in the top seat (21) and a first elastic piece (222) capable of generating compression deformation are arranged on the base (22), and an adhesive film is arranged on the lower surface of the touch screen and/or the upper surface of the liquid crystal module;
when the positioning column (223) of the base (22) extends into the positioning hole (213) of the top seat (21), under the condition that the first elastic piece (222) supports the top seat (21), the lower surface of the touch screen in the through hole (214) and the upper surface of the liquid crystal module on the boss (221) are arranged in a suspended and opposite mode;
the jacking device (25) is used for applying an external force to the first elastic piece (222), and under the condition that the first elastic piece (222) is compressed, the lower surface of the touch screen can be in contact with the upper surface of the liquid crystal module.
3. The liquid crystal display production and processing system of claim 2, wherein the top base (21) is further provided with an avoiding hole (212), the avoiding hole (212) is communicated with the through hole (214), and the avoiding hole (212) is used for placing a flexible circuit board on the touch screen.
4. The liquid crystal display production and processing system according to claim 1, wherein the glass screen fixing unit (43) comprises a base (431), a driving motor, and a rotating shaft (435) arranged above the base (431) through an upright rod (432), two oppositely arranged clamping blocks (434) for clamping the second semi-finished product (44) to be cured are arranged on the rotating shaft (435), and the rotating shaft (435) can drive the second semi-finished product (44) to rotate under the driving of the driving motor.
5. The LCD panel production and processing system of claim 4, wherein one end of each of the clamping blocks (434) is mounted on the rotating shaft (435) through a second elastic member (433), and the second elastic member (433) is in a compressed state when the clamping blocks (434) clamp the second semi-finished product (44).
6. The liquid crystal display screen production and processing system according to claim 1, wherein the first plate (13) is provided with one or more air exhaust holes matched with the air exhaust pipes of the second air exhaust device, and the second plate (12) is provided with one or more air exhaust holes matched with the air exhaust pipes of the second air exhaust device.
7. The liquid crystal screen production and processing system according to claim 1, wherein the heating temperature range of the first heating device (24) is 35-45 ℃, and the heating temperature range of the second heating device (36) is 45-70 ℃.
8. The lcd panel production and processing system according to claim 1, wherein the maximum height difference between the operation panel (33) and the high pressure gas flow source (32) is greater than 60cm, and the minimum height difference between the operation panel (33) and the high pressure gas flow source (32) is less than 20cm under the driving of the cylinder driving device (34).
9. The lcd panel production and processing system according to claim 1, wherein the high-pressure gas flow source (32) has a plurality of nozzles (321) for jetting gas flows in a one-to-one correspondence to the plurality of first semifinished products (37) placed on the operation plate (33).
10. The liquid crystal display screen production and processing system as claimed in claim 1, wherein the first heating device (24) is a heating resistance wire or a radiation lamp, and the second heating device (36) is a heating resistance wire or a radiation lamp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625291.8U CN210348134U (en) | 2019-09-27 | 2019-09-27 | LCD screen production and processing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921625291.8U CN210348134U (en) | 2019-09-27 | 2019-09-27 | LCD screen production and processing system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820817A (en) * | 2020-12-31 | 2021-05-18 | 深圳全息界科技有限公司 | Small-spacing LED module packaging process |
| CN113253495A (en) * | 2021-05-28 | 2021-08-13 | 苏州华星光电技术有限公司 | Liquid crystal panel bubble collecting method and device |
| CN113786972A (en) * | 2021-10-25 | 2021-12-14 | 深圳市佳明科电子有限公司 | Method for curing UV adhesive on back of FPC (Flexible printed Circuit) of touch screen |
| CN114310434A (en) * | 2021-12-29 | 2022-04-12 | 雷攀 | Metal part machining device |
| CN115431506A (en) * | 2022-11-10 | 2022-12-06 | 潍坊市博硕精密电子有限公司 | Automatic laminating machine and method for liquid crystal display protective film |
-
2019
- 2019-09-27 CN CN201921625291.8U patent/CN210348134U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112820817A (en) * | 2020-12-31 | 2021-05-18 | 深圳全息界科技有限公司 | Small-spacing LED module packaging process |
| CN113253495A (en) * | 2021-05-28 | 2021-08-13 | 苏州华星光电技术有限公司 | Liquid crystal panel bubble collecting method and device |
| CN113786972A (en) * | 2021-10-25 | 2021-12-14 | 深圳市佳明科电子有限公司 | Method for curing UV adhesive on back of FPC (Flexible printed Circuit) of touch screen |
| CN114310434A (en) * | 2021-12-29 | 2022-04-12 | 雷攀 | Metal part machining device |
| CN115431506A (en) * | 2022-11-10 | 2022-12-06 | 潍坊市博硕精密电子有限公司 | Automatic laminating machine and method for liquid crystal display protective film |
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