Spraying equipment for liquid crystal display panel

Abstract

The utility model discloses spraying equipment for a liquid crystal display panel. The spraying equipment comprises a bottom plate and a fixing frame, and the fixing frame is fixedly installed on the top face of the bottom plate. The processing table is fixedly mounted on the top surface of the bottom plate; the reciprocating motion mechanism is arranged on the fixed frame; the spraying mechanism is connected with the reciprocating motion mechanism; the transmission mechanism is connected with the spraying mechanism; and the drying mechanism is connected with the transmission mechanism. According to the spraying equipment for the liquid crystal display panel, it can be guaranteed that the liquid crystal display panel is dried after being sprayed, and it is guaranteed that a liquid film is rapidly cured, so that the spraying effect of the liquid crystal display panel is improved, production and processing of the liquid crystal display panel are facilitated, operation is easy, convenient and flexible, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display panel production, in particular to a spraying device for a liquid crystal display panel. Background Art

[0002] Liquid crystal display panels are materials that determine the brightness, contrast, color, and viewing angle of liquid crystal displays. Liquid crystal display panels usually need to be sprayed with liquid film materials on their surface during production. After the liquid film solidifies, it forms a protective film for the liquid crystal display panel. However, existing spraying equipment for liquid crystal display panels still has certain defects, such as:

[0003] The "new spraying device" with application number CN202123449266.9 lacks a drying function during use, which makes it inconvenient to quickly dry and cure the liquid crystal display panel after spraying, which is not conducive to improving the spraying efficiency of the liquid crystal display panel and has limitations in use. Utility Model Content

[0004] The utility model aims to provide a spraying device for a liquid crystal display panel, so as to solve the problem in the above background technology that the existing spraying device performs rapid reciprocating drying, thereby affecting the improvement of the spraying efficiency of the liquid crystal display panel.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spraying device for a liquid crystal display panel, comprising a bottom plate,

[0006] A fixing frame, the fixing frame is fixedly mounted on the top surface of the bottom plate;

[0007] A processing table, wherein the processing table is fixedly mounted on the top surface of the bottom plate;

[0008] A reciprocating mechanism, wherein the reciprocating mechanism is arranged on the fixed frame;

[0009] A spraying mechanism, the spraying mechanism is connected to the reciprocating mechanism;

[0010] A transmission mechanism connected to the spraying mechanism;

[0011] A drying mechanism is connected to the transmission mechanism.

[0012] The above technical solution is adopted to facilitate rapid drying and curing after spraying.

[0013] As a preferred technical solution of the utility model, the reciprocating mechanism includes:

[0014] A motor, the motor being fixedly mounted on the upper left side of the fixing frame;

[0015] A reciprocating screw rod, the left end of which is keyed to the shaft end of the motor, and the reciprocating screw rod bearing is arranged through the left side wall of the fixed frame, and the right end of which is connected to the right inner wall bearing of the fixed frame;

[0016] A slide seat, the top surface of the slide seat is slidably connected to the inner top surface of the fixed frame, the reciprocating screw rod passes through the slide seat, and the reciprocating screw rod and the slide seat form a threaded connection structure;

[0017] A bearing plate is fixedly mounted on the bottom surface of the slide seat.

[0018] By adopting the above technical solution, the slide seat can drive the bearing plate to move back and forth through the rotation of the reciprocating screw.

[0019] As a preferred technical solution of the utility model, the spraying mechanism includes:

[0020] A paint box, the paint box is fixedly mounted on the bottom surface of the bearing plate, and a feed pipe is provided through the top of the paint box, and the feed pipe is provided through the bearing plate;

[0021] A discharge pipe, one end of which is fixedly connected to the lower end of the right side wall of the paint box;

[0022] A material extraction pump, the material extraction pump is fixedly mounted on the bottom surface of the carrying plate, and the feed end of the material extraction pump is fixedly connected to the other end of the discharge pipe;

[0023] A material delivery pipe, the top end of which is fixedly connected to the discharge end of the material extraction pump;

[0024] A through pipe, the through pipe being installed at the bottom end of the material conveying pipe;

[0025] The nozzles are evenly and equidistantly mounted on the bottom surface of the through pipe.

[0026] By adopting the above technical solution, it is convenient to extract the liquid film material by starting the extraction pump and spray it onto the liquid crystal display panel through the nozzle, and the liquid crystal display panel is evenly sprayed during the movement of the nozzle along with the carrier plate.

[0027] As a preferred technical solution of the utility model, the transmission mechanism includes:

[0028] A hollow tube, wherein the transverse bearing of the hollow tube passes through the slide seat, and the hollow tube is a structure with an outer circle and an inner square;

[0029] A transmission rod, the left and right ends of which are respectively connected to the left and right inner wall bearings of the fixing frame, and the transmission rod slides through the hollow tube, and the shape of the transmission rod is a square that matches the hollow tube;

[0030] A driving gear, the driving gear is fixedly sleeved on the reciprocating screw rod;

[0031] The driven gear is fixedly sleeved on the transmission rod and meshedly connected with the driving gear.

[0032] By adopting the above technical solution, when the reciprocating screw rotates, the driving gear and the driven gear are used to drive the transmission rod to drive the hollow tube to rotate, and the hollow tube and the transmission rod can move relative to each other while rotating.

[0033] As a preferred technical solution of the utility model, the drying mechanism includes:

[0034] An air duct, the air duct is fixedly arranged through the bearing plate, and the air duct is located on the left side of the paint box;

[0035] A fixing rod, the fixing rod being fixedly mounted on the upper end of the inner wall surface of the air duct;

[0036] A rotating rod, wherein a longitudinal bearing of the rotating rod is arranged through the fixed rod;

[0037] A bevel gear set, the bevel gear set is mounted on the outer wall surface of the hollow tube, and the bevel gear set is fixedly connected to the top end of the rotating rod;

[0038] A fan blade, wherein the fan blade is fixedly mounted on the bottom end of the rotating rod;

[0039] The electric heating net is fixedly mounted on the inner wall surface of the wind tube and is located below the fan blades.

[0040] By adopting the above technical solution, when the hollow tube rotates, the rotating rod and the fan blades are driven to rotate through the conical gear set, so that air is blown downward, thereby heating through the electric heating network to achieve drying and curing of the liquid crystal display panel after spraying.

[0041] As a preferred technical solution of the utility model, a filter screen is detachably mounted on the lower end of the inner wall surface of the air duct.

[0042] The above technical solution is adopted to facilitate filtering of wind and prevent impurities from being blown onto the liquid crystal display panel.

[0043] Compared with the prior art, the utility model has the following beneficial effects: the liquid crystal display panel spraying equipment can ensure that the liquid crystal display panel is dried after spraying, and ensure that the liquid film is quickly solidified, thereby improving the spraying effect of the liquid crystal display panel, which is beneficial to the production and processing of the liquid crystal display panel, and the operation is simple and flexible, and the practicality is strong;

[0044] 1. Start the motor to rotate the reciprocating screw, so that the slide seat drives the bearing plate to reciprocate, which can make the nozzle move synchronously, and start the extraction pump to extract the liquid film through the liquid outlet pipe, and then enter the through pipe after passing through the feed pipe and then sprayed to the LCD panel by the nozzle, so as to realize the spraying of the LCD panel;

[0045] 2. When the reciprocating screw rotates, the driving gear and the driven gear will cause the transmission rod to rotate, and the transmission rod will drive the hollow tube to rotate. At the same time, the hollow tube moves synchronously with the slide seat, and the rotating rod drives the fan blades to rotate under the action of the bevel gear set, so that the air is blown downward, and the air is heated by the electric heating net, so as to generate warm air to blow to the LCD panel, realizing rapid drying and curing;

[0046] 3. The filter screen can filter the wind to prevent impurities from blowing onto the LCD panel and affecting the quality of the LCD panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0048] Figure 2 This is a schematic diagram of the main cross-sectional connection structure of the load-bearing plate, the paint box and the air duct of the utility model;

[0049] Figure 3 This is a schematic diagram of the connection structure of the through pipe, the material delivery pipe and the spray side view of the utility model;

[0050] Figure 4 This is a schematic diagram of the three-dimensional connection structure of the hollow tube, the slide seat and the transmission rod of the utility model;

[0051] Figure 5 It is a schematic diagram of the three-dimensional cross-sectional structure of the air duct of the utility model.

[0052] In the figure: 1, bottom plate; 2, fixed frame; 3, processing table; 4, motor; 5, reciprocating screw; 6, slide seat; 7, bearing plate; 8, paint box; 9, feed pipe; 10, discharge pipe; 11, suction pump; 12, feed pipe; 13, through pipe; 14, nozzle; 15, hollow pipe; 16, transmission rod; 17, driving gear; 18, driven gear; 19, air cylinder; 20, fixed rod; 21, rotating rod; 22, bevel gear set; 23, fan blades; 24, electric heating net; 25, filter net. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0054] See also Figure 1-5 , the technical solution of the utility model: a spraying device for a liquid crystal display panel, comprising a bottom plate 1, a fixing frame 2 fixedly installed on the top surface of the bottom plate 1, and a processing table 3 fixedly installed on the top surface of the bottom plate 1;

[0055] The motor 4 is fixedly mounted on the upper left side surface of the fixed frame 2, the left end of the reciprocating screw rod 5 is keyed to the shaft end of the motor 4, and the bearing of the reciprocating screw rod 5 passes through the left side wall of the fixed frame 2, and the right end of the reciprocating screw rod 5 is bearing-connected to the right inner wall surface of the fixed frame 2, the top surface of the slide 6 is slidably connected to the inner top surface of the fixed frame 2, and the reciprocating screw rod 5 passes through the slide 6, and the reciprocating screw rod 5 and the slide 6 form a threaded connection structure, and the bearing plate 7 is fixedly mounted on the bottom surface of the slide 6;

[0056] The paint box 8 is fixedly installed on the bottom surface of the carrier plate 7, and a feed pipe 9 is provided through the top of the paint box 8, and the feed pipe 9 is provided through the carrier plate 7, one end of the discharge pipe 10 is fixedly connected with the lower end of the right side wall of the paint box 8, the extraction pump 11 is fixedly installed on the bottom surface of the carrier plate 7, and the feed end of the extraction pump 11 is fixedly connected with the other end of the discharge pipe 10, the top of the delivery pipe 12 is fixedly connected with the discharge end of the extraction pump 11, the through pipe 13 is installed at the bottom end of the delivery pipe 12, and the nozzle 14 is evenly and equidistantly installed on the bottom surface of the through pipe 13;

[0057] The hollow tube 15 is transversely borne through the slide 6, and the hollow tube 15 is a structure with an outer circle and an inner square. The left and right ends of the transmission rod 16 are respectively connected to the left and right inner wall bearings of the fixed frame 2, and the transmission rod 16 slides through the hollow tube 15, and the shape of the transmission rod 16 is a square that matches the hollow tube 15. The driving gear 17 is fixedly sleeved on the reciprocating screw 5, and the driven gear 18 is fixedly sleeved on the transmission rod 16, and the driven gear 18 is meshed and connected with the driving gear 17;

[0058] The wind tube 19 is fixedly installed through the supporting plate 7, and the wind tube 19 is located on the left side of the paint box 8, the fixing rod 20 is fixedly installed on the upper end of the inner wall surface of the wind tube 19, the longitudinal bearing of the rotating rod 21 is installed through the fixing rod 20, the bevel gear set 22 is installed on the outer wall surface of the hollow tube 15, and the bevel gear set 22 is fixedly connected to the top end of the rotating rod 21, the fan blades 23 are fixedly installed on the bottom end of the rotating rod 21, the electric heating net 24 is fixedly installed on the inner wall surface of the wind tube 19, and the electric heating net 24 is located below the fan blades 23, and the filter net 25 is removably installed on the lower end of the inner wall surface of the wind tube 19.

[0059] Working principle: When in use, place the LCD panel on the top surface of the processing table 3, start the motor 4 to rotate the reciprocating screw 5, so that the slide 6 can drive the carrier plate 7 to move back and forth, and when the carrier plate 7 moves to the right, start the extraction pump 11 to extract the liquid film in the coating box 8 through the discharge pipe 10, and enter the through pipe 13 through the conveying pipe 12, and then spray it to the LCD panel through the nozzle 14, so as to realize the spraying of the LCD panel;

[0060] The reciprocating screw 5 rotates while driving the driving gear 17, so that the driven gear 18 meshing with the driving gear 17 drives the transmission rod 16 to rotate, so that the transmission rod 16 drives the hollow tube 15 to rotate synchronously, and the hollow tube 15 moves the slide 6;

[0061] When the hollow tube 15 rotates, the rotating rod 21 and the fan blades 23 are driven to rotate through the action of the bevel gear set 22, so that air is blown downward, and the electric heating net 24 is started to heat the air, so that warm air is blown downward, and the warm air is filtered by the filter net 25. When the air cylinder 19 moves with the carrying plate 7, warm air is blown toward the liquid crystal display panel to dry and solidify the sprayed liquid film;

[0062] During the left return stroke of the spray structure slide 6, the extraction pump 11 is turned off or spraying is stopped, and hot air is continuously blown downward for drying and curing, thereby improving the drying effect and efficiency. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0063] Although the 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spraying device for a liquid crystal display panel, comprising a base plate (1), characterized in that: Also includes: A fixing frame (2), the fixing frame (2) being fixedly mounted on the top surface of the base plate (1); A processing table (3), wherein the processing table (3) is fixedly mounted on the top surface of the base plate (1); A reciprocating mechanism, wherein the reciprocating mechanism is arranged on the fixed frame (2); A spraying mechanism, the spraying mechanism is connected to the reciprocating mechanism; A transmission mechanism connected to the spraying mechanism; A drying mechanism is connected to the transmission mechanism.

2. A spraying device for a liquid crystal display panel according to claim 1, characterized in that: The reciprocating mechanism comprises: A motor (4), the motor (4) being fixedly mounted on an upper left side surface of the fixing frame (2); A reciprocating screw rod (5), the left end of the reciprocating screw rod (5) being key-connected to the shaft end of the motor (4), and the bearing of the reciprocating screw rod (5) being arranged to penetrate the left side wall of the fixed frame (2), and the right end of the reciprocating screw rod (5) being bearing-connected to the right inner wall surface of the fixed frame (2); A slide seat (6), wherein the top surface of the slide seat (6) is slidably connected to the inner top surface of the fixed frame (2), and the reciprocating screw rod (5) is arranged to penetrate the slide seat (6), and the reciprocating screw rod (5) and the slide seat (6) form a threaded connection structure; A bearing plate (7), wherein the bearing plate (7) is fixedly mounted on the bottom surface of the slide seat (6).

3. A spray coating device for a liquid crystal display panel according to claim 2, characterized in that: The spraying mechanism comprises: A paint box (8), the paint box (8) is fixedly mounted on the bottom surface of the carrier plate (7), and a feed pipe (9) is provided through the top of the paint box (8), and the feed pipe (9) is provided through the carrier plate (7); A discharge pipe (10), one end of which is fixedly connected to the lower end of the right side wall of the paint box (8); A material extraction pump (11), wherein the material extraction pump (11) is fixedly mounted on the bottom surface of the carrying plate (7), and a feed end of the material extraction pump (11) is fixedly connected to the other end of the discharge pipe (10); A material delivery pipe (12), the top end of which is fixedly connected to the discharge end of the material extraction pump (11); A through pipe (13), wherein the through pipe (13) is installed at the bottom end of the material conveying pipe (12); The nozzles (14) are evenly installed at equal distances on the bottom surface of the through pipe (13).

4. A spray coating device for a liquid crystal display panel according to claim 3, characterized in that: The transmission mechanism comprises: A hollow tube (15), wherein the transverse bearing of the hollow tube (15) penetrates the slide seat (6), and the hollow tube (15) is a structure with an outer circle and an inner square; A transmission rod (16), the left and right ends of the transmission rod (16) are respectively connected to the left and right inner wall bearings of the fixing frame (2), and the transmission rod (16) is slidably inserted through the hollow tube (15), and the transmission rod (16) is in a square shape that matches the hollow tube (15); A driving gear (17), wherein the driving gear (17) is fixedly sleeved on the reciprocating screw rod (5); A driven gear (18) is fixedly sleeved on the transmission rod (16), and the driven gear (18) is meshingly connected with the driving gear (17).

5. The spray coating device for liquid crystal display panel according to claim 4, characterized in that: The drying mechanism comprises: An air duct (19), the air duct (19) is fixedly disposed through the bearing plate (7), and the air duct (19) is located on the left side of the paint box (8); A fixing rod (20), the fixing rod (20) being fixedly mounted on the upper end of the inner wall surface of the wind tube (19); A rotating rod (21), wherein a longitudinal bearing of the rotating rod (21) is disposed through the fixed rod (20); A bevel gear set (22), the bevel gear set (22) being mounted on the outer wall surface of the hollow tube (15), and the bevel gear set (22) being fixedly connected to the top end of the rotating rod (21); A fan blade (23), wherein the fan blade (23) is fixedly mounted on the bottom end of the rotating rod (21); An electric heating net (24), wherein the electric heating net (24) is fixedly mounted on the inner wall surface of the wind tube (19), and the electric heating net (24) is located below the fan blades (23).

6. The spray coating device for liquid crystal display panel according to claim 5, characterized in that: A filter screen (25) is detachably mounted on the lower end of the inner wall surface of the air cylinder (19).

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