Stirring tank of LED packaging adhesive preparation device

Abstract

The utility model relates to the field of LED packaging adhesive preparation, in particular to an LED packaging adhesive preparation device stirring tank which comprises an interlayer tank body, a spiral heating coil is arranged in the interlayer tank body, a stand column is fixedly connected to the lower end of the interlayer tank body, a supporting bottom plate is fixedly connected to the lower end of the stand column, and a fixing support is fixedly installed outside the interlayer tank body. A driving motor is fixedly installed on the fixing support, a driving chain wheel is detachably installed at the output end of the driving motor, an end cover is installed at the upper end of the interlayer tank body through a first bolt, a vacuum extraction opening is formed in the upper side of the end cover, a stirring main shaft is arranged at the upper end of the end cover in a penetrating mode, and a driven chain wheel is detachably installed at the upper end of the stirring main shaft; through the arrangement of the vacuum extraction opening, vacuum dynamic defoaming can be realized, stirring and vacuumizing can be synchronously carried out, bubbles rise to the top and are quickly discharged, various stirring structures are beneficial to gradient stirring and mixing of materials, and a spiral guide pipe hot oil heating structure can be used for constant-temperature control and viscosity improvement.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of LED encapsulation glue preparation, especially to a kind of LED encapsulation glue preparation device stirring tank. BACKGROUND

[0002] At present, with the continuous development of LED technology, LED lamps and lanterns have become the mainstream product in modern lighting and display field, in the production process of LED lamps and lanterns, encapsulation glue plays a vital role, encapsulation glue not only can protect LED chip from the damage of external environment, but also can improve the optical performance and reliability of LED lamps and lanterns, therefore, the quality of encapsulation glue directly influences the overall performance and life of LED lamps and lanterns.

[0003] Nowadays, in the preparation process of LED encapsulation glue, various raw materials (such as resin, curing agent, fluorescent powder, etc.) need to be fully mixed to ensure the uniformity and stability of encapsulation glue, stirring is an indispensable link in this process, through stirring, raw materials can be uniformly dispersed in macro and micro, to avoid local concentration too high or too low, so as to improve the quality of encapsulation glue, therefore, suitable LED encapsulation glue preparation device stirring tank needs to be selected.

[0004] The existing LED encapsulation glue preparation device stirring tank is mostly normal temperature stirring, and the defoaming time is long, which leads to high bubble rate of LED encapsulation glue finished product, relatively low viscosity, and the bubble discharge is not timely during stirring, which prolongs the stirring time. UTILITY MODEL CONTENT

[0005] In order to overcome the problem that the existing LED encapsulation glue preparation device stirring tank is mostly normal temperature stirring, and the defoaming time is long, which leads to high bubble rate of LED encapsulation glue finished product, relatively low viscosity, and the bubble discharge is not timely during stirring, which prolongs the stirring time.

[0006] The utility model discloses a technical scheme for a LED encapsulation glue preparation device stirring tank, which comprises a sandwich tank body, a spiral heating coil arranged inside the sandwich tank body, a stand column fixedly connected to the lower end of the sandwich tank body, a support bottom plate fixedly connected to the lower end of the stand column, a fixed support fixedly installed outside the sandwich tank body, a driving motor fixedly installed on the fixed support, a driving sprocket detachably installed at the output end of the driving motor, an end cover installed at the upper end of the sandwich tank body through a bolt, a vacuum air outlet arranged on the upper side of the end cover, a stirring spindle penetratingly arranged at the upper end of the end cover, a driven sprocket detachably installed at the upper end of the stirring spindle, a chain arranged outside the driving sprocket and the driven sprocket, the stirring spindle extending downward to the bottom of the sandwich tank body, a centrifugal dispersion disc fixedly installed outside the stirring spindle, a spiral stirring rod arranged on the lower side of the centrifugal dispersion disc and fixedly connected to the stirring spindle, stirring blades fixedly connected to the stirring spindle and arranged on the lower side of the spiral stirring rod, a pneumatic valve fixedly installed at the lower end of the sandwich tank body, and a discharge port installed at the lower end of the pneumatic valve through a bolt.

[0007] Preferably, the driving motor rotates to drive the driving sprocket to rotate, the chain drives the driven sprocket to rotate, the stirring spindle is driven to rotate, the stirring spindle drives the centrifugal dispersion disc, the spiral stirring rod and the stirring blades to rotate, gradient stirring and mixing are realized, vacuum dynamic defoaming stirring is simultaneously performed, air bubbles are discharged while stirring, hot oil continuously circulates in the spiral heating coil to maintain the temperature in the cavity, and the pneumatic valve is opened to discharge the encapsulation glue when the encapsulation glue is needed.

[0008] Preferably, a main shaft support base is fixedly installed at the bottom of the sandwich tank body, a rotating bearing is fixedly installed at the upper end of the main shaft support base, and the stirring spindle extends downward to the inside of the rotating bearing.

[0009] Preferably, a key one is fixedly connected to the output end of the driving motor, and a clamping groove one corresponding to the key one is formed in the surface of the driving sprocket.

[0010] Preferably, a key two is fixedly connected to the outside of the stirring spindle, a clamping groove two corresponding to the key two is formed in the surface of the stirring spindle, and a pin is arranged outside the key one and the key two.

[0011] Preferably, a bearing chamber is arranged directly above the end cover, and a bearing two is installed in the inside of the bearing chamber.

[0012] Preferably, a feeding port is fixedly connected to the outside of the sandwich tank body, an oil inlet is fixedly connected to one side of the sandwich tank body, and an oil outlet is fixedly connected to the other side of the sandwich tank body.

[0013] Preferably, the oil inlet is arranged on the lower side of the feeding port, and the oil outlet is arranged outside the driving motor.

[0014] The utility model has the advantages that:

[0015] 1、The LED encapsulation glue preparation device stirring tank, through the setting vacuum air outlet, can vacuum dynamic defoaming, realize stirring and vacuum synchronous, make bubble rise to top and discharge fast, through setting spiral heating coil, stirring spindle, centrifugal dispersion disc, spiral stirring rod and stirring blade, multiple stirring structure, help material realize gradient stirring mixing, and the device adopts spiral pipe structure, spiral duct hot oil heating structure, can constant temperature control, shorten mixing defoaming time, improve viscosity, oil heating insulation control effect is good, greatly shorten the stirring time, the stirring efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The whole structure schematic diagram of the LED encapsulation glue preparation device stirring tank of the utility model is shown.

[0017] Figure 2 The front view of the LED encapsulation glue preparation device stirring tank of the utility model is shown.

[0018] Figure 3 The cross section of the LED encapsulation glue preparation device stirring tank of the utility model is shown. Figure 1

[0019] Figure 4 The cross section of the LED encapsulation glue preparation device stirring tank of the utility model is shown. Figure 2

[0020] The reference signs are explained: 1, interlayer tank body;2, stand;3, support base plate;4, drive motor;5, fixed support;6, drive sprocket;7, chain;8, driven sprocket;9, end cover;10, bolt one;11, vacuum air outlet;12, feed inlet;13, oil inlet;14, oil outlet;15, key one;16, key two;17, stirring spindle;18, discharge port;19, pneumatic valve;20, bolt two;21, spiral heating coil;22, spindle support base;23, bearing two;24, rotating bearing;25, stirring blade;26, spiral stirring rod;27, centrifugal dispersion disc;28, bearing chamber. DETAILED DESCRIPTION

[0021] The utility model is further explained in combination with the drawings and examples.

[0022] Please refer to Figures 1-4 ​​The utility model provides an embodiment: a kind of LED encapsulation glue preparation device stirring tank, the inside of interlayer tank body 1 is provided with spiral heating coil 21, the lower end of interlayer tank body 1 is fixedly connected with stand 2, the lower end of stand 2 is fixedly connected with support base plate 3, fixed support 5 is fixedly installed on the outside of interlayer tank body 1, driving motor 4 is fixedly installed on fixed support 5, driving motor 4 is detachably installed with driving sprocket 6 on the output end, end cover 9 is installed on the upper end of interlayer tank body 1 by bolt one 10, vacuum air outlet 11 is arranged on the upside of end cover 9, by being provided with vacuum air outlet 11, the bubble generated in stirring material can be extracted and discharged, stirring spindle 17 is arranged in the upper end of end cover 9, detachably installed with driven sprocket 8 on the upper end of stirring spindle 17, chain 7 is arranged on the outside of driving sprocket 6 and driven sprocket 8, stirring spindle 17 extends to the bottom of interlayer tank body 1 downwards, centrifugal dispersion disc 27 is fixedly installed on the outside of stirring spindle 17, spiral stirring rod 26 of installation in stirring spindle 17 is arranged on the downside of centrifugal dispersion disc 27, spiral conduit hot oil heating structure, constant temperature control, shorten mixing defoaming time, improve viscosity, the downside of spiral stirring rod 26 is fixedly connected with stirring blade 25 of stirring spindle 17, pneumatic valve 19 is fixedly installed on the lower end of interlayer tank body 1, discharge outlet 18 is installed on the lower end of pneumatic valve 19 by bolt two 20, and pneumatic valve 19 is used to discharge.

[0023] Please refer to Figures 3-4 Main shaft support base 22 is fixedly installed on the bottom of interlayer tank body 1, rotating bearing 24 is fixedly installed on the upper end of main shaft support base 22, stirring spindle 17 extends to the inside of rotating bearing 24 downwards, bearing chamber 28 is arranged directly above end cover 9, bearing two 23 is installed in the inside of bearing chamber 28, by the setting of two groups of bearings, the rotating position of stirring spindle 17 is fixed, to avoid its deviation.

[0024] Please refer to Figures 1-2The output end of the driving motor 4 is fixedly connected with a key 15, the surface of the driving sprocket 6 is provided with a clamping groove 1 corresponding to the key 15, the outside of the stirring spindle 17 is fixedly connected with a key 16, the surface of the stirring spindle 17 is provided with a clamping groove 2 corresponding to the key 16, the outside of the key 15 and the key 16 is provided with a pin, the driving motor 4 drives the driving sprocket 6 to rotate, the chain 7 drives the driven sprocket 8 to rotate, thereby driving the stirring spindle 17 to rotate, the stirring spindle 17 drives the centrifugal dispersion disc 27, the spiral stirring rod 26 and the stirring blade 25 to rotate, gradient stirring and mixing are realized, the outside of the sandwich tank body 1 is fixedly connected with the feeding port 12, one side of the sandwich tank body 1 is fixedly connected with the oil inlet 13, the other side of the sandwich tank body 1 is fixedly connected with the oil outlet 14, the oil inlet 13 is arranged on the lower side of the feeding port 12, the oil outlet 14 is arranged on the outside of the driving motor 4, the oil inlet 13 and the oil outlet 14 are connected with the two ends of the spiral heating coil 21 respectively, the oil inlet 13 and the oil outlet 14 are connected with the hot oil heating and conveying device, and are used for heat supply.

[0025] In work, the material is first put into the sandwich tank body 1 from the feeding port 12, the oil outlet 14 and the oil inlet 13 are connected with the hot oil heating and conveying device, the vacuum air pump is connected with the vacuum air outlet 11, then the driving motor 4 is started, the motor drives the driving sprocket 6 to rotate, the chain 7 drives the driven sprocket 8 to rotate, thereby driving the stirring spindle 17 to rotate, the stirring spindle 17 drives the centrifugal dispersion disc 27, the spiral stirring rod 26 and the stirring blade 25 to rotate, gradient stirring and mixing are realized, and the vacuum dynamic defoaming stirring is simultaneously performed with the vacuumization, the bubbles are discharged while stirring, and the hot oil continuously circulates in the spiral heating coil 21, so that the temperature in the cavity is maintained, when the glue is needed, the pneumatic valve 19 can be opened, and the encapsulation glue is discharged.

[0026] Through the above steps, the vacuum dynamic defoaming can be realized through the setting of the vacuum air outlet 11, the stirring and the vacuumization are simultaneously performed, the bubbles are quickly discharged to the top, the spiral heating coil 21, the stirring spindle 17, the centrifugal dispersion disc 27, the spiral stirring rod 26 and the stirring blade 25 are set, various stirring structures are helpful to realize the gradient stirring and mixing of the material, the device adopts the spiral pipe structure, the spiral conduit hot oil heating structure can be constant temperature controlled, the mixing and defoaming time is shortened, the viscosity is improved, the oil heating and heat preservation control effect is good, the stirring time is greatly shortened, the problems that the existing LED encapsulation glue preparation device stirring tank is mostly normal temperature stirring, the defoaming time is long, the LED encapsulation glue product bubble rate is high, the viscosity is relatively low, and the bubble discharge is not timely during the stirring process are solved.

Claims

1. A mixing tank for preparing LED encapsulant, comprising a jacketed tank (1), characterized in that: The interior of the jacketed tank (1) is equipped with a spiral heating coil (21). A column (2) is fixedly connected to the lower end of the jacketed tank (1), and a support base plate (3) is fixedly connected to the lower end of the column (2). A fixed bracket (5) is fixedly installed on the exterior of the jacketed tank (1). A drive motor (4) is fixedly installed on the fixed bracket (5). A drive sprocket (6) is detachably installed at the output end of the drive motor (4). An end cover (9) is installed on the upper end of the jacketed tank (1) by bolt (10). A vacuum extraction port (11) is provided on the upper side of the end cover (9). A stirring spindle (17) is installed through the upper end of the end cover (9). The upper end of the stirring spindle (17) is detachably installed. A driven sprocket (8) is installed in a detachable manner. A chain (7) is provided on the outside of the drive sprocket (6) and the driven sprocket (8). The stirring main shaft (17) extends downward to the bottom of the jacketed tank (1). A centrifugal dispersion disc (27) is fixedly installed on the outside of the stirring main shaft (17). A spiral stirring rod (26) is installed on the lower side of the centrifugal dispersion disc (27). A stirring blade (25) is fixedly connected to the stirring main shaft (17) on the lower side of the spiral stirring rod (26). A pneumatic valve (19) is fixedly installed at the lower end of the jacketed tank (1). A discharge port (18) is installed at the lower end of the pneumatic valve (19) by bolt two (20).

2. The stirring tank of the LED encapsulating adhesive preparation apparatus according to claim 1, characterized in that: A main shaft support base (22) is fixedly installed at the bottom of the jacketed tank (1), and a rotating bearing (24) is fixedly installed at the upper end of the main shaft support base (22). The stirring main shaft (17) extends downward into the interior of the rotating bearing (24).

3. The stirring tank of the LED encapsulating adhesive preparation apparatus according to claim 1, characterized in that: The output end of the drive motor (4) is fixed with a key (15), and the surface of the drive sprocket (6) is provided with a slot corresponding to the key (15).

4. The stirring tank of the LED encapsulating adhesive preparation apparatus according to claim 2, characterized in that: The stirring spindle (17) is fixed to the outside of a key two (16). The surface of the stirring spindle (17) is provided with a groove two corresponding to the key two (16). Pins are provided on the outside of both the key one (15) and the key two (16).

5. The stirring tank of the LED encapsulating adhesive preparation apparatus according to claim 1, characterized in that: A bearing chamber (28) is provided directly above the end cap (9), and a bearing (23) is installed inside the bearing chamber (28).

6. The stirring tank of the LED encapsulating adhesive preparation apparatus according to claim 1, characterized in that: The jacketed tank (1) has a feed inlet (12) fixed to the outside, an oil inlet (13) fixed to one side, and an oil outlet (14) fixed to the other side.

7. The stirring tank of the LED encapsulating adhesive preparation apparatus according to claim 6, characterized in that: The oil inlet (13) is located below the feed inlet (12), and the oil outlet (14) is located outside the drive motor (4).

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