CN213669658U - A whole grain device for organic luminescent material - Google Patents
A whole grain device for organic luminescent material Download PDFInfo
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- CN213669658U CN213669658U CN202022082385.4U CN202022082385U CN213669658U CN 213669658 U CN213669658 U CN 213669658U CN 202022082385 U CN202022082385 U CN 202022082385U CN 213669658 U CN213669658 U CN 213669658U
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Abstract
The utility model discloses a whole grain device for organic luminescent material belongs to whole grain machine equipment field. It includes: the device comprises a glove box, a feeding mechanism, a granulating mechanism, a material collector, an inert gas filling system and a pressure relief system, wherein the feeding mechanism, the granulating mechanism and the material collector are arranged in the glove box; the feeding mechanism is used for feeding organic light-emitting materials into the whole grain mechanism; the grading mechanism is used for grading the organic light-emitting material; the collector is used for collecting the organic light-emitting materials coming out of the grading mechanism; the inert gas filling system is used for supplying gas to the interior of the glove box; and the pressure relief system is used for respectively exhausting air from the inside of the glove box and the inside of the collector. The utility model adopts the closed structural design of the glove box, which can prevent the dust of the organic luminescent material from leaking and floating, improve the working environment and reduce the cross contamination; meanwhile, the organic luminescent material is effectively prevented from being oxidized and absorbing moisture in the whole grain process, and the product quality is improved.
Description
Technical Field
The utility model relates to a whole grain machine equipment technical field, in particular to whole grain device for organic luminescent material.
Background
The performance of materials used in the manufacture of organic electroluminescent (OLED) displays places high demands on the particle size of the starting materials. In the prior art, the purification of the organic electroluminescent material is generally performed by heating and purifying under high vacuum, the purified product is block-shaped or powder-shaped, and the form of the product cannot be directly used as a raw material for the production work of the OLED screen, so that the organic electroluminescent material product needs to be granulated into the particle size state required by the OLED screen production rule.
At present, a whole grain device in the production process of OLED materials generally adopts an open structure, raw materials are easy to float out from a feed hopper, a regulating valve, a discharge barrel and the like, and because the density of organic luminescent materials is low, the raw materials can fly around along with air flow, and if the protection is not carried out, powdery materials easily influence the working environment and the physical health of operators; meanwhile, when the organic light-emitting material is exposed in the air, part of the organic light-emitting material is easy to oxidize and absorb moisture due to sensitivity to oxygen, water vapor and the like, so that the quality of the organic light-emitting material is greatly influenced, and when the organic light-emitting material is used for producing an OLED screen, the screen yield is influenced. In addition, the problems of more raw material waste, low production efficiency and the like are caused by the conditions of unsmooth blanking, easy blockage and manual intervention for blanking in the whole granulating process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a whole grain device for organic luminescent material.
The utility model provides a technical scheme that its problem adopted is:
a grading apparatus for an organic light-emitting material, comprising: the device comprises a glove box, a feeding mechanism, a granulating mechanism, a material collector, an inert gas filling system and a pressure relief system, wherein the feeding mechanism, the granulating mechanism and the material collector are arranged in the glove box;
the feeding mechanism is used for feeding organic light-emitting materials into the whole grain mechanism;
the grading mechanism is used for grading the organic light-emitting material;
the collector is used for collecting the organic light-emitting materials coming out of the grading mechanism;
the inert gas filling system is used for supplying gas to the interior of the glove box;
and the pressure relief system is used for respectively exhausting air from the inside of the glove box and the inside of the collector.
As a further improvement of the technical scheme, a yellow light lamp is arranged inside the glove box.
As a further improvement of the above technical solution, the feeding mechanism comprises a hopper and a screw feeder; the bottom outlet of the hopper is connected with the screw feeder; and the discharge port of the screw feeder is connected to the granulating mechanism.
As a further improvement of the technical scheme, the hopper is provided with a hopper cover.
As a further improvement of the technical scheme, a hopper vibrator is fixedly arranged on the outer wall of the hopper.
As a further improvement of the above aspect, the granulating mechanism includes a granulating screen chamber, a granulating knife rotatably provided inside the granulating screen chamber, and a drive motor for rotating the granulating knife; and the outer wall of the whole grain sieve chamber is fixedly provided with a whole grain sieve chamber vibrator.
As a further improvement of the above technical solution, the granulating device further comprises a feeding mechanism; the feeding mechanism comprises a movable object stage and a driving device for driving the object stage to move.
As a further improvement of the above technical solution, the granulating device further comprises a jacking mechanism for driving the material collector to lift; the material collector is provided with a feeding hole, and the granulating mechanism is provided with a discharging hole; the material collector is provided with a pressure relief pipe communicated with the interior of the material collector, and the pressure relief system is correspondingly provided with a pressure relief connecting pipe; after the jacking mechanism jacks in place, the pressure relief pipe is inserted into the pressure relief connecting pipe, and the feed inlet of the material collector is sleeved on the discharge outlet of the granulating mechanism.
As a further improvement of the above technical solution, the granulation device further comprises a semiconductor refrigerator; the semiconductor refrigerator is fixedly arranged on the collector.
As a further improvement of the technical scheme, a damping mechanism is installed at the bottom of the glove box.
The utility model discloses following beneficial effect has: the utility model provides a granulating device for organic luminescent material, which adopts a closed structural design, effectively prevents dust of the organic luminescent material from leaking and floating through the operation of a glove box, improves the working environment and reduces cross contamination; meanwhile, the organic luminescent material is effectively prevented from being oxidized and absorbing moisture in the whole grain process, and the product quality is improved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of a granulating apparatus for organic light-emitting materials according to an embodiment of the present invention.
In the drawings: 1. a glove box; 11. a glove; 12. a yellow light; 2. a feeding mechanism; 3. a feeding mechanism; 31. a hopper; 32. a hopper vibrator; 33. a screw motor; 34. a feed screw; 35. a hopper cover; 4. a grading mechanism; 41. a drive motor; 42. a whole grain sieving chamber; 43. a whole grain sieve chamber vibrator; 5. a material collector; 51. a semiconductor refrigerator; 52. a pressure relief pipe; 61. the gas supply end of the inert gas filling system; 62. a first pressure relief end; 63. a second pressure relief end; 64. a pressure relief connecting pipe; 7. a jacking mechanism; 8. a shock absorbing mechanism.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly defined, words such as set forth, connected, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the words in the present invention by combining the specific contents of the technical solutions.
A grading apparatus for an organic light emitting material according to an embodiment of the present invention is described below with reference to fig. 1.
The granulating device specifically comprises: the device comprises a glove box 1, a feeding mechanism 3, a granulating mechanism 4, a material collector 5, an inert gas filling system and a pressure relief system, wherein the feeding mechanism, the granulating mechanism 4 and the material collector 5 are arranged in the glove box 1.
The feeding mechanism 3 is used for feeding an organic light-emitting material into the whole grain mechanism 4; the grading mechanism 4 is used for grading the organic light-emitting material; the collector 5 is used for collecting the organic light-emitting materials coming out of the granulating mechanism 4. Specifically, the feeding mechanism 3, the granulating mechanism 4 and the material collector 5 are provided with a feeding hole and a discharging hole. The discharge port of the feeding mechanism 3 is connected with the feed port of the granulating mechanism 4, so that the organic luminescent material can enter the granulating mechanism 4 to complete the granulating treatment process. The discharge hole of the granulating mechanism 4 is connected with the feed inlet of the material collector 5, and the organic luminescent material is sent to the interior of the material collector 5 after the granulating treatment.
Because the glove box 1 is internally provided with an internal space separated from the external atmosphere, the feeding mechanism 3, the granulating mechanism 4 and the collector 5 are completely arranged in the internal space, and the granulating operation is carried out in the sealed glove box 1, the organic luminescent material can be effectively prevented from floating in the atmosphere and polluting the working environment in the granulating process, and the organic luminescent material can be prevented from being oxidized and absorbing moisture due to water vapor, oxygen and the like in the granulating operation.
The collector 5 may be welded or detachably connected to the granulating mechanism 4.
The inert gas filling system is used for supplying gas to the inside of the glove box 1. The pressure relief system is used for exhausting air from the inside of the glove box 1 and the inside of the material collector 5 respectively.
Specifically, glove box 1 sets up one rather than the communicating connector of inside, inert gas filling system's air feed end 61 with glove box 1's connector sealing connection can be for glove box 1's inside constantly send into inert gas, and, inert gas accessible throw the feed inlet of material mechanism 3 and circulate in whole grain mechanism 4, charge collector 5 in proper order, and cooperation pressure release system work forms the micro-gas flow, carries out inert gas protection to organic luminescent material's whole processing procedure, reduces air, the influence risk of steam composition to organic luminescent material, guarantees that the quality of the organic luminescent material after whole grain is handled is up to standard. Nitrogen may be used in this embodiment.
Specifically, the pressure relief system is provided with a first pressure relief end 62 and a second pressure relief end 63 for extracting gas. Ports of the first pressure relief end 62 and the second pressure relief end 63 are respectively connected with air outlets correspondingly arranged in the glove box 1 and the material collector 5 in a sealing manner, so that the first pressure relief end 62 and the second pressure relief end 63 are respectively communicated with the inside of the glove box 1 and the inside of the material collector 5.
Then, when the pressure relief system works normally, the gas in the glove box 1 is extracted through the first pressure relief end 62, the gas in the material collector 5 is extracted through the second pressure relief end 63, and the internal air pressure conditions of the glove box 1 and the material collector 5 are adjusted, so that the glove box 1 and the material collector 5 can be kept in basic air pressure balance, and the glove box 1 and the material collector 5 are prevented from being deformed under pressure. In this embodiment, the pressure inside the glove box 1 and the collector 5 is slightly higher than the external atmospheric pressure, so as to prevent the external gas (especially oxygen and water vapor) from entering and affecting the organic light emitting material.
The bagged organic luminescent material is put into the glove box 1 such as a transition chamber of the glove box 1, the glove box 1 is closed and sealed immediately, and the inert gas filling system and the pressure relief system are started, so that not only is external gas prevented from entering, but also basic internal and external air pressure balance of the glove box 1 and the material collector 5 is maintained.
The worker takes the organic light-emitting material out of the transition chamber of the glove box 1 by using the gloves 11 provided in the glove box 1, opens the bag, buckles the bag at the feed port corresponding to the feeding mechanism 3, and the organic light-emitting material flows down under the action of gravity and is conveyed into the granulating mechanism 4 under the operation of the feeding mechanism 3. The size regulating mechanism 4 is activated to regulate the organic light emitting material continuously flowing in to a predetermined particle diameter. Then, the collector 5 collects all the organic luminescent materials flowing out from the discharge port of the sizing mechanism 4. Finally, the glove box 1 is opened and the organic light emitting material is taken away.
The granulating device adopts the glove box 1 to provide a relatively clean working environment for the feeding mechanism 3, the granulating mechanism 4 and the material collector 5, so that the organic luminescent material powder is prevented from drifting and leaking, the working environment is prevented from being polluted, and the health is prevented from being harmed; moreover, the organic luminescent material is protected by inert gas, so that the organic luminescent material is prevented from being oxidized and absorbed moisture in the whole grain process due to the entering of external oxygen and water vapor, and the organic luminescent material after the whole grain is ensured to have better quality.
In some embodiments, a yellow light 12 is provided inside the glove box 1. The yellow light lamp (also called as non-ultraviolet lamp, anti-ultraviolet lamp or anti-UV lamp) can be installed inside the glove box 1 and on the top side of the glove box 1, so that light rays irradiate downwards to avoid the degradation of the organic light-emitting material.
Further, the feeding mechanism 3 comprises a hopper 31 and a screw feeder; the bottom outlet of the hopper 31 is connected to the screw feeder; and the discharge hole of the screw feeder is connected with the feed inlet of the granulating mechanism 4. The screw feeder mainly comprises a screw motor 33 and a feeding screw 34, when the screw motor 33 works normally, the feeding screw 34 is driven to rotate at a constant speed, the organic light-emitting material is conveyed into the granulating mechanism 4, and the conveying speed is adjustable.
The hopper 31 is provided with a hopper cover 35, and the hopper cover 35 is mounted to the hopper 31 in a hinged manner. After the bag containing the organic light-emitting material is buckled on the hopper 31, the hopper cover 35 can be rotated to cover the feed inlet with the upward opening of the hopper 31, so that the organic light-emitting material dust can be effectively prevented from floating in the glove box 1 in the feeding process.
In order to avoid the problem of blocking of the material, a hopper vibrator 32 is fixedly provided on an outer wall of the hopper 31 to assist the feeding of the organic light emitting material. If there is a lack of smoothness during the blanking process, the hopper vibrator 32 can be activated.
Further, the granulating mechanism 4 includes a granulating sieve chamber 42, a granulating knife provided rotatably inside the granulating sieve chamber 42, and a drive motor 41 for rotating the granulating knife. The straightening knives are mounted to the straightening sieve chamber 42 through bearings and are rotatable about their axes. The mesh screen chamber 42 is provided with a mesh screen, when the driving motor 41 drives the mesh screen knife to rotate at a high speed, the organic luminescent material can be sized, the organic luminescent material is centrifugally moved in a direction perpendicular to the axis of the mesh screen under the action of the mesh screen knife and flies to the mesh screen, and the organic luminescent material with the particle size can pass through the mesh screen and flow out of the discharge port of the mesh screen chamber 42. And selecting screens with different specifications according to production requirements to size-complete the organic luminescent material product meeting the requirements.
And the outer wall of the whole grain sieve chamber 42 is fixedly provided with a whole grain sieve chamber vibrator 43 for assisting material receiving. During material collection, the granule adjusting screen chamber vibrator 43 can be started, so that the granule adjusting processed product can be completely collected in the material collector 5 through the discharge hole of the granule adjusting screen chamber 42.
The same type of vibrator can be used for the hopper vibrator 32 and the whole grain screen chamber vibrator 43.
Further, the granulating device also comprises a semiconductor refrigerator 51; the semiconductor refrigerator 51 is fixedly arranged on the outer wall of the material collector 5, the semiconductor refrigerator 51 is started to refrigerate the material collector 5, the internal temperature of the material collector 5 is reduced, and the pressure inside and outside the material collector 5 is basically balanced by matching with a pressure relief system.
Further, the whole grain device still includes feed mechanism 2. The feeding mechanism 2 is used for conveying the organic light-emitting material to one side of the feeding mechanism 3 from a transition chamber of the glove box 1, placing the organic light-emitting material on the feeding mechanism 2 in the transition chamber, and then sealing and isolating the glove box 1; the staff utilizes gloves 11 to open the interior sealing door of transition room, starts feed mechanism 2, and feed mechanism 2 removes to one side of throwing feed mechanism 3 from transition room department, is favorable to the staff to use gloves 11 to put organic luminescent material into throwing feed mechanism 3.
Specifically, the feeding mechanism 2 includes a movable stage and a driving device for driving the stage to move. The driving device can be but not limited to a linear guide rail module, the objective table is installed on a sliding table of the linear guide rail module, if an inlet (namely, an outer sealing door of the transition chamber) of the glove box 1 faces upwards, the objective table moves up and down under the driving of the linear guide rail module, and the objective table provides an upward supporting surface for the organic light-emitting material; if the inlet of the glove box 1 is oriented horizontally (i.e. one of front, back, left and right), the object stage moves horizontally under the driving action of the linear guide rail module, the object stage provides a support surface with an upward surface for the organic luminescent material, and finally the bag filled with the organic luminescent material is conveyed to one side of the feeding mechanism 3 from the transition chamber.
In some embodiments, the grading device for organic light-emitting materials further comprises a jacking mechanism 7 for driving the collector 5 to ascend and descend. The material collector 5 is provided with a feed inlet with an upward opening, and the granulating mechanism 4 is provided with a discharge outlet with a downward opening. The material collector 5 is provided with a pressure relief pipe 52 communicated with the interior of the material collector, and the pressure relief system is correspondingly provided with a pressure relief connecting pipe 64. The discharge port, the feed port, the pipe orifice of the pressure relief pipe 52 and the pipe orifice of the pressure relief connecting pipe 64 can be circular. The outer diameter of the discharge hole is smaller than that of the feed hole, and the outer diameter of the pipe orifice of the pressure relief pipe 52 is smaller than that of the pipe orifice of the pressure relief connecting pipe 64.
After the jacking mechanism 7 jacks in place, the feed inlet of the material collector 5 is sleeved at the discharge outlet of the granule trimming mechanism 4, and the pipe orifice of the pressure relief pipe 52 is inserted at the pipe orifice of the pressure relief connecting pipe 64.
The top surface of accessible climbing mechanism 7 sets up the spacing groove, puts into the spacing inslot with charge collector 5, makes it steadily fix at climbing mechanism 7's top surface, avoids charge collector 5 to take place horizontal migration to guarantee that pressure release pipe 52 can just peg graft in pressure release takeover 64, the feed inlet of charge collector 5 can just cup joint in the discharge gate of whole grain mechanism 4.
The jacking mechanism 7 is started to lift the collector 5, after the collector 5 is moved upwards to a proper position, the pressure relief pipe 52 of the collector 5 is just inserted into the pressure relief connecting pipe 64, meanwhile, the feed inlet of the collector 5 is sleeved into the discharge outlet of the granule finishing mechanism 4, so that the organic luminescent material flowing out of the granule finishing mechanism 4 can flow into the collector 5.
Moreover, when the inert gas filling system and the pressure relief system work simultaneously, the pressure generated in the material collector 5 is discharged through the pressure relief system, and the semiconductor refrigerator cools the material collector 5 to match the pressure relief system, so that the internal and external pressures of the material collector 5 are basically balanced, and the internal pressure of the material collector 5 is slightly lower than the internal pressure of the glove box 1 (namely, the external pressure of the material collector 5), thereby avoiding the waste of products caused by the fact that the organic luminescent material powder flows to the outside of the material collector 5 along with the gas through the butt joint of the material inlet of the material collector 5 and the material outlet of the granulating mechanism 4.
With such a design, the organic light emitting material powder product can be prevented from overflowing from the connection between the granulating mechanism 4 and the collector 5.
After the material is collected, the glove box 1 can be opened, the material collector 5 is taken out, the organic light-emitting material powder in the material collector is taken away, the material collector is prevented from flying dust in the material collecting process, and the material collector 5 is convenient to clean.
Of course, it is also possible to provide a discharge port at the bottom of the collector 5, open the discharge port, and collect the organic luminescent material using a bag.
In this embodiment, the receptacle 5 may be a shaped container such as a erlenmeyer flask.
In some embodiments, the bottom of the glove box 1 is equipped with a damping mechanism 8 for damping the vibration generated during the operation of the granulating device. In the present embodiment, the shock absorbing mechanism 8 may be, but is not limited to, a rubber shock absorbing foot.
In summary, the utility model provides a granulating device for organic luminescent material, which adopts the closed structural design of glove box to effectively prevent the dust of organic luminescent material from leaking and floating, improve the working environment and reduce the cross contamination; meanwhile, the organic luminescent material is effectively prevented from being oxidized and absorbing moisture in the whole grain process, and the product quality is improved.
In addition, through setting up hopper vibrator and whole grain sieve room vibrator, can ensure that the unloading can smoothly go on with receiving the material work, avoid taking place the jam condition, increase substantially production efficiency.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various equivalent modifications or substitutions can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. A grading device for an organic light-emitting material, comprising: the device comprises a glove box (1), a feeding mechanism (3), a granulating mechanism (4) and a material collector (5) which are arranged in the glove box (1), an inert gas filling system and a pressure relief system;
the feeding mechanism (3) is used for feeding organic light-emitting materials into the whole grain mechanism (4);
the grading mechanism (4) is used for grading the organic light-emitting material;
the collector (5) is used for collecting the organic light-emitting materials coming out of the granulating mechanism (4);
the inert gas filling system is used for supplying gas to the interior of the glove box (1);
the pressure relief system is used for respectively exhausting air from the inside of the glove box (1) and the inside of the material collector (5).
2. A grading device for organic light emitting material according to claim 1 characterized in that inside the glove box (1) is provided with a yellow light lamp (12).
3. The granulating apparatus for organic light-emitting material according to claim 1, wherein the feeding mechanism (3) comprises a hopper (31), a screw feeder; the bottom outlet of the hopper (31) is connected with the screw feeder; and the discharge port of the screw feeder is connected to the granulating mechanism (4).
4. A grading device for organic light-emitting material according to claim 3, characterized in that the hopper (31) is provided with a hopper cover (35).
5. A grading device for organic light emitting material according to claim 3 or 4, characterized in that hopper vibrators (32) are fixed to the outer wall of the hopper (31).
6. A granulating device for an organic light-emitting material according to claim 1, wherein the granulating mechanism (4) includes a granulating sieve chamber (42), a granulating knife provided rotatably inside the granulating sieve chamber (42), and a drive motor (41) for rotating the granulating knife; and a whole grain screen chamber vibrator (43) is fixedly arranged on the outer wall of the whole grain screen chamber (42).
7. A grading device for organic luminescent material according to claim 1, characterized by further comprising a feeding mechanism (2); the feeding mechanism (2) comprises a movable object stage and a driving device for driving the object stage to move.
8. A grading device for organic light-emitting material according to claim 1 characterized by further comprising a jacking mechanism (7) for driving the collector (5) to lift; the material collector (5) is provided with a feeding hole, and the granulating mechanism (4) is provided with a discharging hole; the material collector (5) is provided with a pressure relief pipe (52) communicated with the interior of the material collector, and the pressure relief system is correspondingly provided with a pressure relief connecting pipe (64); after the jacking mechanism (7) is jacked in place, the pressure relief pipe (52) is inserted into the pressure relief connecting pipe (64), and the feed inlet of the material collector (5) is sleeved at the discharge outlet of the granulating mechanism (4).
9. A grading device for organic luminescent material according to claim 1, characterized by further comprising a semiconductor refrigerator (51); the semiconductor refrigerator (51) is fixedly arranged on the material collector (5).
10. A grading device for organic light emitting material according to claim 1 characterized in that a shock absorbing mechanism (8) is installed at the bottom of the glove box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022082385.4U CN213669658U (en) | 2020-09-21 | 2020-09-21 | A whole grain device for organic luminescent material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022082385.4U CN213669658U (en) | 2020-09-21 | 2020-09-21 | A whole grain device for organic luminescent material |
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| Publication Number | Publication Date |
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| CN213669658U true CN213669658U (en) | 2021-07-13 |
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| CN202022082385.4U Active CN213669658U (en) | 2020-09-21 | 2020-09-21 | A whole grain device for organic luminescent material |
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