Defoaming device for optical cement production

Abstract

The utility model relates to the technical field of optical cement defoaming, and discloses a defoaming device for optical cement production, which comprises a heating tank, an inner tank fixedly connected inside the heating tank, a top cover fixedly connected to the top end of the heating tank, a vacuum pump fixedly connected to one side of the top end of the top cover, and a servo motor fixedly connected to the top end of the top cover. The output end of the servo motor is fixedly connected with a rotating rod, and the outer surface of the rotating rod is slidably connected with an adjusting pipe. The viscidity of optical cement is reduced through heating, bubbles are easier to escape, meanwhile, the bubbles are convenient to crush through vacuumizing, the servo motor is matched to drive the rotating rod to periodically rotate forwards and backwards, the adjusting pipe can move up and down while rotating, the bubbles are easier to crush and escape through stirring, and the production efficiency is improved. And meanwhile, the optical cement is forced to circulate through the circulating pump, so that the bubbles are easier to crush, the stirring rod can be driven to rotate in the circulating process to realize local stirring, and the bubble crushing efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical adhesive defoaming, in particular to a defoaming device for optical adhesive production. Background Art

[0002] Optical adhesive is a polymer substance with optical properties similar to those of optical parts and excellent bonding properties. During the production process of optical adhesive, air will inevitably enter, causing bubbles, which will seriously affect subsequent use, so debubbling is required.

[0003] In the prior art, bubbles in optical adhesive can be removed by standing still, but it takes a long time, so the standing still method is rarely chosen. Another commonly used method is vacuum stirring, which is to add the optical adhesive into a vacuum stirring tank, and then evacuate and stir it at the same time, so that the bubbles are eliminated;

[0004] During the actual debubbling process, we found that normal stirring could hardly ensure that the bubbles in the optical glue were stirred and broken. At the same time, only fixed-point stirring was possible, and the vortex formed by the stirring was fixed. The bubbles in other parts were difficult to be stirred out and therefore difficult to break.

[0005] Therefore, we proposed a defoaming device for optical adhesive production that can reduce viscosity and stirring intensity by heating, while realizing liftable stirring combined with local stirring, greatly improving stirring efficiency and making bubbles easier to remove, to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a defoaming device for optical adhesive production to solve the problems raised in the above-mentioned background technology.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A defoaming device for optical adhesive production comprises a heating tank, an inner tank is fixedly connected to the interior of the heating tank, a top cover is fixedly connected to the top of the heating tank, a vacuum pump is fixedly connected to one side of the top cover, a servo motor is fixedly connected to the top of the top cover, a rotating rod is fixedly connected to the output end of the servo motor, an adjusting tube is slidably connected to the outer surface of the rotating rod, a stirring blade is evenly fixedly connected to the lower end of the adjusting tube, a screw rod is symmetrically rotatably connected to the top end of the inner top of the top cover, a nut is threadedly connected to the outer surface of the screw rod, a fixing rod is fixedly connected to the bottom end of the nut, a sliding frame is fixedly connected to the bottom end of the fixing rod, a connecting rod is evenly slidably connected to the inside of the sliding frame, the connecting rod is fixedly connected to the adjusting tube, a circulating pump is fixedly connected to one side of the heating tank, a glue extraction hose is fixedly connected to the input end of the circulating pump, a glue discharge hose is fixedly connected to the output end of the circulating pump, and a shunt pipe is symmetrically fixedly connected to the inner side of the glue discharge hose.

[0009] As a further solution of the utility model: both sides of the inner tank are fixedly connected with impeller boxes, the interior of the impeller box is rotatably connected with an impeller, one side of the impeller box is connected to the shunt pipe, and the other side of the impeller box is provided with a glue outlet hole.

[0010] As a further solution of the utility model: a stirring rod is fixedly connected to the bottom end of the impeller inside the impeller box, and the stirring rod does not contact the stirring blade.

[0011] As a further solution of the utility model: the shape of the connecting rod is Z-shaped, and the connecting rod does not contact the screw rod.

[0012] As a further solution of the utility model: the upper end of the rotating rod is fixedly connected with a driving gear, and the upper ends of the screw rods on both sides of the driving gear are fixedly connected with driven gears.

[0013] As a further solution of the utility model: the size of the driven gear is four times that of the driving gear, and the driven gear is meshed with the driving gear.

[0014] As a further solution of the utility model: the sliding frame is connected to slide up and down inside the inner tank, and the outer diameter of the sliding frame is equal to the inner diameter of the inner tank.

[0015] Beneficial effects of the utility model:

[0016] 1. The utility model discloses a defoaming device for optical adhesive production, which reduces the viscosity of the optical adhesive by heating, making it easier for bubbles to escape. At the same time, the vacuum pump is started to evacuate the air inside the inner tank, which is convenient for breaking the bubbles. The servo motor drives the rotating rod to rotate forward and reverse periodically, so that the regulating tube can move up and down while rotating. Such stirring makes it easier for the bubbles to break and escape.

[0017] 2. In the degassing process of the degassing device for optical glue production in the utility model, the optical glue is forced to circulate through a circulation pump, thereby making the bubbles easier to break. At the same time, during the circulation process, the stirring rod can be driven to rotate to achieve local stirring, thereby further improving the efficiency of bubble breaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model.

[0021] Figure 3 It is a schematic diagram of the connection structure of the sliding frame of the utility model.

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the regulating tube and the rotating rod of the utility model.

[0023] Figure 5 It is a schematic diagram of the connection structure of the rubber discharge hose of the utility model.

[0024] In the figure: 1. Heating tank; 2. Circulation pump; 3. Glue extraction hose; 4. Glue discharge hose; 5. Top cover; 6. Servo motor; 7. Vacuum pump; 8. Impeller box; 9. Inner tank; 10. Stirring blade; 11. Adjusting tube; 12. Connecting rod; 13. Rotating rod; 14. Driving gear; 15. Screw rod; 16. Sliding frame; 17. Fixed rod; 18. Nut; 19. Driven gear; 20. Glue outlet hole; 21. Stirring rod; 22. Diverter pipe. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0026] like Figure 1-Figure 5In this embodiment, a defoaming device for optical adhesive production includes a heating tank 1, an inner tank 9 is fixedly connected to the interior of the heating tank 1, a top cover 5 is fixedly connected to the top of the heating tank 1, a vacuum pump 7 is fixedly connected to one side of the top of the top cover 5, a servo motor 6 is fixedly connected to the top of the top cover 5, a rotating rod 13 is fixedly connected to the output end of the servo motor 6, an adjusting tube 11 is slidably connected to the outer surface of the rotating rod 13, a stirring blade 10 is evenly fixedly connected to the lower end of the adjusting tube 11, and a wire is symmetrically rotated and connected to the top of the top cover 5. Rod 15, the outer surface of the screw rod 15 is threadedly connected with a nut 18, the bottom end of the nut 18 is fixedly connected with a fixed rod 17, the bottom end of the fixed rod 17 is fixedly connected with a sliding frame 16, the inside of the sliding frame 16 is evenly slidably connected with a connecting rod 12, the connecting rod 12 is fixedly connected to the regulating tube 11, one side of the heating tank 1 is fixedly connected with a circulating pump 2, the input end of the circulating pump 2 is fixedly connected with a rubber extraction hose 3, the output end of the circulating pump 2 is fixedly connected with a rubber discharge hose 4, and the inner side of the rubber discharge hose 4 is symmetrically fixedly connected with a diversion pipe 22.

[0027] like Figure 2 and Figure 5 In this embodiment, both sides of the inner tank 9 are fixedly connected with an impeller box 8, and the impeller box 8 is rotatably connected inside. One side of the impeller box 8 is communicated with the shunt pipe 22, and the other side of the impeller box 8 is provided with a glue outlet hole 20. By starting the circulation pump 2, the optical glue inside the inner tank 9 is extracted from the glue extraction pipe 3, and then enters the impeller box 8 through the glue discharge pipe 4 and the shunt pipe 22, driving the impeller to rotate until it is discharged from the glue outlet hole 20, thereby realizing forced circulation of the optical glue and making the bubbles easier to break.

[0028] like Figure 2 and Figure 5 In this embodiment, the bottom end of the impeller inside the impeller box 8 is fixedly connected with a stirring rod 21. The impeller rotates while circulating, driving the stirring rod 21 to rotate, thereby achieving local stirring and further improving the efficiency of bubble breaking. The stirring rod 21 does not contact the stirring blade 10 to avoid affecting the movement trajectory.

[0029] like Figure 2-Figure 4 In this embodiment, the connecting rod 12 is in a Z shape, and the connecting rod 12 does not contact the screw rod 15 to increase the running distance of the slide frame 16.

[0030] like Figure 2 and Figure 3 In this embodiment, the upper end of the rotating rod 13 is fixedly connected to a driving gear 14, and the upper ends of the screw rods 15 on both sides of the driving gear 14 are fixedly connected to driven gears 19. The driven gear 19 is driven to rotate by the rotation of the driving gear 14, so as to drive the screw rod 15 to rotate.

[0031] like Figure 3In this embodiment, the size of the driven gear 19 is four times that of the driving gear 14. The driven gear 19 meshes with the driving gear 14. Since the size of the driven gear 19 is four times that of the driving gear 14, the driving gear 14 rotates four times while the driven gear 19 rotates one circle. Therefore, high-speed rotation can be performed during the period, and low-speed rotation can be performed at the beginning and the end to facilitate reverse rotation.

[0032] like Figure 2 and Figure 3 In this embodiment, the slide frame 16 is connected to slide up and down inside the inner tank 9, and the outer diameter of the slide frame 16 is equal to the inner diameter of the inner tank 9, ensuring the stable up and down movement of the slide frame 16.

[0033] It can be understood that the degassing device used in the production of optical glue reduces the viscosity of the optical glue by heating, making it easier for bubbles to escape, and at the same time, vacuum is applied to facilitate the breaking of bubbles, and cooperates with the servo motor 6 to drive the rotating rod 13 to rotate forward and reverse periodically, so that the adjusting tube 11 can move up and down while rotating. Such stirring makes it easier for bubbles to break and escape, and at the same time, the optical glue is forced to circulate through the circulating pump 2, thereby making the bubbles easier to break. At the same time, the stirring rod 21 can be driven to rotate during the circulation process to achieve local stirring, thereby further improving the efficiency of bubble breaking.

[0034] The complete usage steps and working principle of the utility model are as follows:

[0035] First, add the optical glue into the inner tank 9, then start the heating tank 1 for heating to reduce the viscosity of the optical glue, so that bubbles can escape more easily, and start the vacuum pump 7 for vacuuming to reduce the air inside the inner tank 9. At this time, the servo motor 6 drives the rotating rod 13 to rotate forward and reverse periodically, so that the adjusting tube 11 and the stirring blade 10 rotate to stir the optical glue. When the rotating rod 13 rotates, the driving gear 14 is driven to rotate. Since the driving gear 14 is meshed with the driven gear 19, the driven gear 19 is driven to rotate the screw rod 15, thereby driving the nut 18 to drive the fixed rod 17 to drive the sliding frame 16 to move up and down. Therefore, the adjusting tube 11 can also move up and down at the same time. During this period, since the size of the driven gear 19 is four times that of the driving gear 14, the driving gear 14 rotates four circles and the driven gear 19 rotates one circle. Therefore, high-speed rotation can be performed during the period, and low-speed rotation is performed at the beginning and the end to facilitate reverse rotation. Through such stirring, bubbles can escape more easily.

[0036] While stirring, the circulation pump 2 can be started to allow the optical glue inside the inner tank 9 to be extracted from the glue extraction pipe 3, and then enter the impeller box 8 through the glue discharge pipe 4 and the diverter pipe 22, driving the impeller to rotate until it is discharged from the glue outlet hole 20, thereby realizing forced circulation of the optical glue, making the bubbles easier to break, and while circulating, the rotation of the impeller drives the stirring rod 21 to rotate, thereby realizing local stirring and further improving the efficiency of bubble breaking.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A defoaming device for optical adhesive production, comprising a heating tank (1), characterized in that: The interior of the heating tank (1) is fixedly connected to an inner tank (9), the top of the heating tank (1) is fixedly connected to a top cover (5), one side of the top of the top cover (5) is fixedly connected to a vacuum pump (7), the top of the top cover (5) is fixedly connected to a servo motor (6), the output end of the servo motor (6) is fixedly connected to a rotating rod (13), the outer surface of the rotating rod (13) is slidably connected to an adjusting tube (11), the lower end of the adjusting tube (11) is evenly fixedly connected to a stirring blade (10), the top of the interior of the top cover (5) is symmetrically rotatably connected to a screw rod (15), the outer surface of the screw rod (15) is A nut (18) is threadedly connected, the bottom end of the nut (18) is fixedly connected to a fixing rod (17), the bottom end of the fixing rod (17) is fixedly connected to a sliding frame (16), the interior of the sliding frame (16) is evenly slidably connected to a connecting rod (12), the connecting rod (12) is fixedly connected to the regulating tube (11), one side of the heating tank (1) is fixedly connected to a circulation pump (2), the input end of the circulation pump (2) is fixedly connected to a rubber extraction hose (3), the output end of the circulation pump (2) is fixedly connected to a rubber discharge hose (4), and the inner side of the rubber discharge hose (4) is symmetrically fixedly connected to a shunt pipe (22).

2. A defoaming device for optical adhesive production according to claim 1, characterized in that: The inner tank (9) is fixedly connected to an impeller box (8) on both sides thereof, an impeller is rotatably connected to the interior of the impeller box (8), one side of the impeller box (8) is in communication with a shunt pipe (22), and the other side of the impeller box (8) is provided with a glue outlet hole (20).

3. A defoaming device for optical adhesive production according to claim 2, characterized in that: The bottom end of the impeller inside the impeller box (8) is fixedly connected to a stirring rod (21), and the stirring rod (21) does not contact the stirring blade (10).

4. The defoaming device for optical adhesive production according to claim 1, characterized in that: The connecting rod (12) is in a Z shape, and the connecting rod (12) does not contact the screw rod (15).

5. The defoaming device for optical adhesive production according to claim 1, characterized in that: The upper end of the rotating rod (13) is fixedly connected to a driving gear (14), and the upper ends of the screw rods (15) on both sides of the driving gear (14) are fixedly connected to driven gears (19).

6. The defoaming device for optical adhesive production according to claim 5, characterized in that: The size of the driven gear (19) is four times that of the driving gear (14), and the driven gear (19) is meshed with the driving gear (14).

7. The defoaming device for optical adhesive production according to claim 1, characterized in that: The sliding frame (16) is connected to the inner tank (9) by sliding up and down, and the outer diameter of the sliding frame (16) is equal to the inner diameter of the inner tank (9).

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