CN209303198U - A kind of new and effective LED fluorescent powder screening machine - Google Patents
A kind of new and effective LED fluorescent powder screening machine Download PDFInfo
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- CN209303198U CN209303198U CN201821609216.8U CN201821609216U CN209303198U CN 209303198 U CN209303198 U CN 209303198U CN 201821609216 U CN201821609216 U CN 201821609216U CN 209303198 U CN209303198 U CN 209303198U
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- fluorescent powder
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- sieve plate
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Abstract
The utility model provides a kind of new and effective LED fluorescent powder screening machine, including screening cylinder and screening component；The upper end for screening cylinder is equipped with top cover, is equipped with bottom plate in lower end；Screening component includes sieve plate and shaking assembly, sieve plate is horizontally set in screen cylinder body, shaking assembly includes motor, swingle, drive rod, lever, support rod, push rod and trip rod, is equipped with the first guide sleeve in the middle part of the top surface of bottom plate, the first guide sleeve is set in outside trip rod.Advantage is: using shaking assembly in screening component, it is swung up and down by the right end of motor driven lever, in conjunction with bar rod principle, the left end of lever drives trip rod to pump by push rod, realize continuous shock of the trip rod to sieve plate, it, can screening fluorescent powder rapidly and efficiently to have the function that vibration screening, the particle size range for effectively reducing fluorescent powder, improves the consistency of partial size；The frequency that trip rod hits sieve plate can be adjusted by adjusting the revolving speed of motor according to actual needs, it is applied widely.
Description
Technical field
The present invention relates to screening machine technical field more particularly to a kind of new and effective LED fluorescent powder screening machines.
Background technique
In the preparation process of LED component, need fluorescent powder and packaging plastic being mixed to form fluorescent glue, then by fluorescent glue
Injection is fixed in the bracket of luminescence chip, with structures such as chip, bonding lines in protective cradle, in addition to this protective effect,
Fluorescent glue also acts as following effect: the fluorescent powder in fluorescent glue issues visible light under the excitation of luminescence chip, and fluorescent powder issues
The light that issues of visible light and chip it is mutually compound, realize the light emitting of different colours, brightness.To bracket midpoint injected with fluorescent glue
During, the coating uniformity of the fluorescent powder amount and fluorescent powder injected in every LED determines the reality of this collection of LED product
Border color, brightness output.Currently, LED encapsulates enterprise when carrying out gluing process, and the fluorescent powder for first carrying out buying is (usually
Two or more) directly mixed with encapsulation glue, then carry out dispensing.But not due to variety classes fluorescent powder particle size
Unanimously；Fluorescent powder even of the same race, particle diameter distribution is also uneven, and (particle size distribution range is big, and fluorescent powder grain is not of uniform size
Cause), and fluorescent powder partial size is inconsistent or particle size range extensively causes very much fluorescent powder with packaging plastic shipwreck to be uniformly mixed, and mixes
Conjunction unevenly then causes in dispensing, and the fluorescent glue volume injected in every LED is identical, but the fluorescent powder in practical fluorescent glue
Amount will appear difference, meanwhile, fluorescent powder is difficult to be difficult to realize uniformly coat in bracket.Finally, in batch production, due to glimmering
There is difference in the amount of light powder, and intrinsic brilliance, the color that will lead to encapsulation gained LED product change, to reduce batch
The output concentration degree of production causes the LED product brightness of same batch output, colour consistency lower, affects the matter of product
Amount.
Summary of the invention
It, can sieve rapidly and efficiently to solve the above problems, the invention discloses a kind of new and effective LED fluorescent powder screening machine
Fluorescent powder is selected, the particle size range of fluorescent powder is effectively reduced, improves the consistency of partial size.
In order to reach the goals above, the invention provides the following technical scheme:
A kind of new and effective LED fluorescent powder screening machine, it is characterised in that: including screening cylinder and screening component；The sieve
Selecting cylinder is in the rectangle tubular structure being vertically arranged, and the upper end for screening cylinder is equipped with matched top cover, is set in lower end
There is the bottom plate being obliquely installed, the bottom plate is obliquely installed upwards from left to right；The screening component includes sieve plate and shaking assembly,
The sieve plate is in rectangle tabular structure compatible with screening cylinder lumen, and is horizontally set in screen cylinder body, the sieve
Sieve pore is evenly equipped on plate, the shaking assembly includes motor, swingle, drive rod, lever, support rod, push rod and trip rod, institute
The lower end that inner wall on the right side of screening cylinder is arranged in motor to be stated, the lower section of bottom plate is placed in, the motor shaft of the motor is arranged forward,
And be fixedly connected with one end of swingle, the other end of the swingle and one end of drive rod are rotatablely connected, the drive rod
The other end and the right end of lever be rotatablely connected, the lower end of the left end of the lever and push rod is rotatablely connected, the support rod
One end is fixedly connected with the bottom of bottom plate, and the other end is connect with lever rotation, and the upper end of the push rod passes through the middle part of bottom plate, and
It is rotatablely connected with the lower end of trip rod, the trip rod is vertically arranged in below the middle part of sieve plate, in the middle part of the top surface of the bottom plate
Equipped with the first guide sleeve being vertically arranged, first guide sleeve is set in outside trip rod.
Further, it is equipped with the second guide sleeve being vertically arranged in the middle part of the bottom surface of the sieve plate, second guide sleeve
Lower end is set in outside the first guide sleeve.
Further, it is equipped in the middle part of the top surface of the sieve plate and prevents being splashed into protrusion.
Further, it is equipped with card slot along circumferential direction with the corresponding position of sieve plate on the screening cylinder inboard wall.
Further, rubber layer is equipped in the card slot.
Further, the upper end of the trip rod is equipped with rubber pad.
Further, feeding inlet is equipped in the middle part of the top cover.
Further, the bottom plate left end is equipped with discharge port.
Compared with prior art, the beneficial effects of the present invention are: screening component in use shaking assembly, pass through motor
The right end of activation lever is swung up and down, and in conjunction with bar rod principle, the left end of lever drives trip rod to pump by push rod,
Realize continuous shock of the trip rod to sieve plate, to have the function that vibration screening, structure novel is unique, can screening rapidly and efficiently
Fluorescent powder effectively reduces the particle size range of fluorescent powder, improves the consistency of partial size, have a vast market foreground；It can root
According to actual needs, the frequency that trip rod hits sieve plate is adjusted by adjusting the revolving speed of motor, it is applied widely.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of new and effective LED fluorescent powder screening machine of the present invention.
Reference signs list:
1- screens cylinder, 2- top cover, 3- bottom plate, 4- sieve plate, 5- motor, 6- swingle, 7- drive rod, 8- lever, 9- branch
Strut, 10- push rod, 11- trip rod, the first guide sleeve of 12-, the second guide sleeve of 13-, 14- is anti-to be splashed into protrusion, 15- rubber layer,
16- feeding inlet, 17- discharge port, 18- rubber pad.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
As shown, a kind of new and effective LED fluorescent powder screening machine, including screening cylinder 1 and screening component；Screen cylinder
1 in the rectangle tubular structure being vertically arranged, and the upper end of screening cylinder 1 is equipped with matched top cover 2, is equipped with and inclines in lower end
The bottom plate 3 being tiltedly arranged, bottom plate 3 are obliquely installed upwards from left to right；Screening component includes sieve plate 4 and shaking assembly, sieve plate 4 be in
The compatible rectangle tabular structure in 1 inner cavity of cylinder is screened, and is horizontally set in screening cylinder 1, sieve is evenly equipped on sieve plate 4
Hole, shaking assembly include motor 5, swingle 6, drive rod 7, lever 8, support rod 9, push rod 10 and trip rod 11, and motor 5 is arranged
Screening 1 right side inner wall of cylinder lower end, be placed in the lower section of bottom plate 3,5 motor shafts of motor are arranged forward, and with swingle 6
One end be fixedly connected, one end of the other end of swingle 6 and drive rod 7 is rotatablely connected, the other end and lever 8 of drive rod 7
Right end rotation connection, the lower end of the left end of lever 8 and push rod 10 is rotatablely connected, and one end of support rod 9 and the bottom of bottom plate 3 are solid
Fixed connection, the other end and lever 8 are rotatablely connected, and the upper end of push rod 10 passes through the middle part of bottom plate 3, and turns with the lower end of trip rod 11
Dynamic connection, trip rod 11 are vertically arranged in below the middle part of sieve plate 4, and first be vertically arranged is equipped in the middle part of the top surface of bottom plate 3 and is led
To set 12, the first guide sleeve 12 is set in outside trip rod 11.
The present invention is swung up and down by the right end of 5 activation lever 8 of motor, and in conjunction with bar rod principle, the left end of lever 8 is by pushing away
Bar 10 drives trip rod 11 to pump, and realizes continuous shock of the trip rod 11 to sieve plate 4, to reach the work of vibration screening
It is unique with, structure novel, can screening fluorescent powder rapidly and efficiently, effectively reduce the particle size model for the fluorescent powder that screening obtains
It encloses, improves the consistency of fluorescent powder partial size, have a vast market foreground；It can according to actual needs, by adjusting turning for motor 5
Speed come adjust trip rod 11 hit sieve plate 4 frequency, it is applied widely.
In the present embodiment, it is equipped with the second guide sleeve 13 being vertically arranged in the middle part of the bottom surface of sieve plate 4, the second guide sleeve 13
Lower end is set in outside the first guide sleeve 12, it is ensured that the stability that trip rod 11 moves, in addition, being equipped in the middle part of the top surface of sieve plate 4
It is anti-to be splashed into protrusion 14, it effectively prevent fluorescent powder to be entered in the second guide sleeve 13 in the middle part of sieve plate 14, guarantees that trip rod 11 moves
In not will receive the interference of fluorescent powder.
In the present embodiment, it screens on 1 inner wall of cylinder and is equipped with card slot along circumferential direction with the corresponding position of sieve plate 4, block
Rubber layer 15 is equipped in slot, during the vibration of sieve plate 4 can be effectively reduced, the influence of 4 pairs of sieve plate screening cylinders 1.
In the present embodiment, the upper end of trip rod 11 is equipped with rubber pad 18, increases cushion performance.
In the present embodiment, feeding inlet 16 is equipped in the middle part of top cover 2,3 left end of bottom plate is equipped with discharge port 17, since bottom plate 3 is adopted
With being obliquely installed upwards from left to right, the fluorescent powder after screening can turn left from the right side along bottom plate 3 and fall, and finally from discharge port 17
Discharge facilitates discharging and collects, prevents garbled fluorescent powder from remaining on bottom plate 3.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of new and effective LED fluorescent powder screening machine, it is characterised in that: including screening cylinder (1) and screening component；The sieve
Selecting cylinder (1) is in the rectangle tubular structure being vertically arranged, and the upper end of screening cylinder (1) is equipped with matched top cover (2),
The bottom plate (3) being obliquely installed is equipped in lower end, the bottom plate (3) is obliquely installed upwards from left to right；The screening component includes
Sieve plate (4) and shaking assembly, the sieve plate (4) are in rectangle tabular structure compatible with screening cylinder (1) inner cavity, and horizontal
Setting is evenly equipped with sieve pore, the shaking assembly includes motor (5), swingle in screening cylinder (1) on the sieve plate (4)
(6), drive rod (7), lever (8), support rod (9), push rod (10) and trip rod (11), the motor (5) are arranged in screen cylinder
The lower end of inner wall, is placed in the lower section of bottom plate (3) on the right side of body (1), and (5) motor shaft of the motor is arranged forward, and with rotation
One end of bar (6) is fixedly connected, and the other end of the swingle (6) and the one end of drive rod (7) are rotatablely connected, the drive rod
(7) right end of the other end and lever (8) is rotatablely connected, and the left end of the lever (8) and the lower end of push rod (10) are rotatablely connected,
One end of the support rod (9) is fixedly connected with the bottom of bottom plate (3), and the other end and lever (8) are rotatablely connected, the push rod
(10) upper end passes through the middle part of bottom plate (3), and is rotatablely connected with the lower end of trip rod (11), and the trip rod (11) sets vertically
It sets below the middle part of sieve plate (4), the first guide sleeve (12) being vertically arranged is equipped in the middle part of the top surface of the bottom plate (3), it is described
First guide sleeve (12) is set in trip rod (11) outside.
2. a kind of new and effective LED fluorescent powder screening machine according to claim 1, it is characterised in that: the sieve plate (4)
The second guide sleeve (13) being vertically arranged is equipped in the middle part of bottom surface, the lower end of second guide sleeve (13) is set in the first guide sleeve
(12) outside.
3. a kind of new and effective LED fluorescent powder screening machine according to claim 2, it is characterised in that: the sieve plate (4)
It is equipped in the middle part of top surface and prevents being splashed into raised (14).
4. a kind of new and effective LED fluorescent powder screening machine according to claim 1, it is characterised in that: the screening cylinder
(1) corresponding position on inner wall with sieve plate (4) is equipped with card slot along circumferential direction.
5. a kind of new and effective LED fluorescent powder screening machine according to claim 4, it is characterised in that: set in the card slot
There are rubber layer (15).
6. a kind of new and effective LED fluorescent powder screening machine according to claim 1, it is characterised in that: the trip rod
(11) upper end is equipped with rubber pad (18).
7. a kind of new and effective LED fluorescent powder screening machine according to claim 1, it is characterised in that: in the top cover (2)
Portion is equipped with feeding inlet (16).
8. a kind of new and effective LED fluorescent powder screening machine according to claim 1, it is characterised in that: the bottom plate (3) is left
End is equipped with discharge port (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609216.8U CN209303198U (en) | 2018-09-30 | 2018-09-30 | A kind of new and effective LED fluorescent powder screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609216.8U CN209303198U (en) | 2018-09-30 | 2018-09-30 | A kind of new and effective LED fluorescent powder screening machine |
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| Publication Number | Publication Date |
|---|---|
| CN209303198U true CN209303198U (en) | 2019-08-27 |
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ID=67670510
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821609216.8U Active CN209303198U (en) | 2018-09-30 | 2018-09-30 | A kind of new and effective LED fluorescent powder screening machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351463A (en) * | 2020-03-06 | 2021-09-07 | 杨罗朋 | Building engineering construction waste material environmental protection processing apparatus |
| CN114768928A (en) * | 2022-03-16 | 2022-07-22 | 深圳市锦昊辉实业发展有限公司 | Crushing apparatus for silicon micropowder production and processing |
-
2018
- 2018-09-30 CN CN201821609216.8U patent/CN209303198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351463A (en) * | 2020-03-06 | 2021-09-07 | 杨罗朋 | Building engineering construction waste material environmental protection processing apparatus |
| CN114768928A (en) * | 2022-03-16 | 2022-07-22 | 深圳市锦昊辉实业发展有限公司 | Crushing apparatus for silicon micropowder production and processing |
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