CN113351070A - Closed silver colloid preparation device for LED packaging - Google Patents
Closed silver colloid preparation device for LED packaging Download PDFInfo
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- CN113351070A CN113351070A CN202110620930.7A CN202110620930A CN113351070A CN 113351070 A CN113351070 A CN 113351070A CN 202110620930 A CN202110620930 A CN 202110620930A CN 113351070 A CN113351070 A CN 113351070A
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- silver colloid
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Abstract
The invention relates to the technical field of silver colloid preparation, and discloses a closed silver colloid preparation device for LED (light-emitting diode) packaging, which comprises a material containing hopper and a hopper cover movably embedded at the opening of the material containing hopper, and further comprises: the stirring mechanism is arranged inside the hopper cover and used for stirring the silver colloid raw material, and comprises two groups of stirring rods which are distributed in a staggered mode, wherein a swinging assembly is arranged at one end of each stirring rod and used for enabling the stirring rods to generate reciprocating swinging motion, the swinging assemblies are arranged inside the revolution assembly, and the revolution assembly rotates and is arranged inside the hopper cover and used for enabling the stirring rods to generate rotary motion around the center of the hopper cover. According to the closed type silver colloid preparation device for LED packaging, the stirring and mixing effects in the silver colloid preparation stage are increased, the maximum discharge of bubbles is achieved, the bubble rate of the silver colloid is reduced, the production and preparation quality of the silver colloid is improved, the manufacturing cost of the device is low to control, and the device has a utilizable value in the technical field of silver colloid preparation.
Description
Technical Field
The invention relates to the technical field of silver colloid preparation, in particular to a closed silver colloid preparation device for LED packaging.
Background
The silver colloid is a mixture composed of matrix resin, a curing agent, an auxiliary agent and silver powder, the conductive silver colloid is used for replacing lead tin soldering, ideal selection of conductive connection is realized, the conductive silver colloid can be bonded by selecting a proper curing temperature, the soldering temperature is lower than tin-lead soldering, material deformation caused by high soldering temperature can be avoided, thermal damage and internal stress of electronic devices are formed, meanwhile, the conductive silver colloid is in a transparent slurry type, internal circuits can be clearly distinguished, the conductive silver colloid is environment-friendly to use, and heavy metal pollution cannot be generated.
The existing conductive silver colloid preparation device is mainly prepared by a centrifugal machine, the dispersion of bubbles in the silver colloid is slow in the mode, the bubbles in the silver colloid can be separated in a long time, the use efficiency is slow, the separation effect is not ideal enough, and the silver colloid still contains micro bubbles and influences the quality of the silver colloid.
Disclosure of Invention
The invention aims to provide a closed type silver colloid preparation device for LED packaging, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a device is prepared with closed silver colloid to LED encapsulation, includes holding hopper to and the activity inlays the fill lid of establishing at holding hopper opening part, device is prepared with closed silver colloid to LED encapsulation still includes:
the stirring mechanism is arranged inside the hopper cover and used for stirring the silver colloid raw material, the stirring mechanism comprises two groups of stirring rods which are distributed in a staggered mode, and the two groups of stirring rods are arranged at one ends of the stirring rods and used for enabling the stirring rods to generate reciprocating swing motion.
As a further scheme of the invention: the device is prepared with closed silver colloid to LED encapsulation still includes:
and the connecting mechanism is arranged between the hopper cover and the outer part of the material containing hopper and is used for hermetically connecting the hopper cover and the material containing hopper.
As a still further scheme of the invention: the connecting mechanism comprises a plurality of fixing lugs correspondingly fixed on the hopper cover and the material containing hopper, and a telescopic piece is arranged between two corresponding groups of fixing lugs and used for adjusting the distance between the hopper cover and the material containing hopper.
As a still further scheme of the invention: the swing assembly comprises turning plates fixed at one end of the stirring rod, one ends of the turning plates are hinged with each other, the other ends of the turning plates are symmetrically and rotatably arranged on the mounting pins respectively, the two sets of mounting pins are fixed on second gears which are symmetrically meshed and connected respectively, the two sets of second gears are rotatably arranged on a U-shaped frame, and one side of the U-shaped frame is fixedly arranged on the revolution assembly.
As a still further scheme of the invention: the revolution component comprises a rotating ring which is rotatably arranged inside the bucket cover, an opening is formed in the rotating ring, the swinging component moves, a toothed ring is arranged on one side of the rotating ring, a first gear is arranged on the toothed ring in a meshed mode, a rotating rod is fixedly arranged at the center of the first gear, the rotating rod is rotatably arranged on the outer wall of the bucket cover, and one side inside the rotating ring is fixedly connected with a U-shaped frame.
As a still further scheme of the invention: the driving unit comprises a driving piece fixedly arranged at the top of the bucket cover, and a linkage piece is arranged between the driving piece and the rotating rod and used for controlling the rotating rod to rotate by the driving piece.
As a still further scheme of the invention: the linkage unit comprises a fixed rod fixedly arranged on the inner wall of the center of the top of the bucket cover, a third gear is fixedly arranged at the other end of the fixed rod, the third gear is connected with a fourth gear in a meshed mode, a transmission part is arranged between the fourth gear and any one of the second gears, and the fourth gear is used for changing the motion state of any one of the second gears.
As a still further scheme of the invention: and a sealing element is arranged at the contact position of the hopper cover and the material containing hopper and used for sealing the hopper cover and the material containing hopper.
As a still further scheme of the invention: the bottom of the material containing hopper is provided with a plurality of supporting legs, the center of the bottom of the material containing hopper is provided with a discharge port, the discharge port is provided with an extraction pump, and the outside of the material containing hopper is provided with a vacuum pump.
Compared with the prior art, the invention has the beneficial effects that:
according to the closed type silver colloid preparation device for LED packaging, the stirring and mixing effects in the silver colloid preparation stage are increased, the maximum discharge of bubbles is achieved, the bubble rate of the silver colloid is reduced, the production and preparation quality of the silver colloid is improved, the device manufacturing cost is low to control, the use is rapid and convenient, and the device has a value in the technical field of silver colloid preparation.
Drawings
Fig. 1 is a schematic structural diagram of an enclosed silver colloid preparation device for LED packaging.
FIG. 2 is a schematic view of the structure inside the cover of the sealed silver colloid preparing apparatus for LED packaging.
Fig. 3 is a schematic back view of the inside of the cover of the hermetic silver paste dispensing apparatus for LED packaging.
Fig. 4 is a schematic structural view of a material containing hopper in the sealed silver paste preparation device for LED packaging.
In the figure: 1-supporting leg, 2-material containing hopper, 3-telescopic piece, 4-fixing lug, 5-hopper cover, 6-driving piece, 7-belt wheel, 8-synchronous belt, 9-rotating ring, 10-crank plate, 11-fixing rod, 12-gear ring, 13-rotating rod, 14-first gear, 15-second gear, 16-stirring rod, 17-mounting pin, 18-worm gear, 19-worm, 20-U-shaped frame, 21-third gear, 22-fourth gear, 23-vacuum pump and 24-extraction pump.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "middle", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 4, an embodiment of the present invention provides a closed type silver paste dispensing device for LED packaging, including a material holding bucket 2, and a bucket cover 5 movably embedded in an opening of the material holding bucket 2, where the closed type silver paste dispensing device for LED packaging further includes:
rabbling mechanism establishes inside the fill lid 5 for stir silver glue raw materials mixture, and the rabbling mechanism is including two sets of puddlers 16, two sets of crisscross distribution the one end of puddler 16 is equipped with the swing subassembly for making puddler 16 produce reciprocating swing motion, the swing subassembly is established inside the revolution subassembly, and the revolution subassembly rotates and establishes inside the fill lid, is used for making puddler 16 produce around the rotary motion at fill lid 5 center, and fill lid 5 outside is equipped with drive unit for providing the power of revolution subassembly operation, and revolution subassembly one side is equipped with the linkage unit, is used for driving the swing subassembly operation.
The stirring mechanism can adopt the scheme, a conventional motor can be adopted to drive the spiral stirring shaft to rotate at the center of the silver colloid liquid to stir the silver colloid liquid, the swinging component can increase the vertical and horizontal moving range of the stirring rod 16, the swinging component can adopt the scheme, the fan-shaped toothed plate can also be adopted to fix the stirring rod 16, the fan-shaped toothed plate is driven by the motor to rotate in a reciprocating manner to realize the swinging of the stirring rod 16, the moving range of the stirring rod 16 in the material containing hopper 2 is increased by the revolution component, the revolution component can adopt the scheme, the swinging component can also be integrally fixed on a mounting frame, the mounting frame is rotatably arranged at the top of the hopper cover 5, the driving unit can provide output power, and the driving unit can adopt a motor driving mode, the device can also be a heat engine and a linkage unit, and the scheme can be adopted, and the scheme that a plurality of bevel gears are connected to change the direction of a rotating central shaft can also be adopted.
As shown in fig. 1, in an embodiment of the present invention, the hermetic silver paste dispensing apparatus for LED packaging further includes:
and the connecting mechanism is arranged between the hopper cover 5 and the outside of the material containing hopper 2 and is used for hermetically connecting the hopper cover 5 and the material containing hopper 2.
The connecting mechanism can adopt the scheme and also can adopt a fixed connection mode, and the material containing hopper 2 is provided with a material inlet.
As shown in fig. 1, in an embodiment of the present invention, the connecting mechanism includes a plurality of fixing lugs 4 correspondingly fixed on the bucket cover 5 and the material containing bucket 2, and a telescopic member 3 is disposed between two corresponding sets of fixing lugs 4 for adjusting the distance between the bucket cover 5 and the material containing bucket 2.
The telescopic part 3 can adopt a hydraulic cylinder and also can adopt a screw rod connection mode.
As shown in fig. 2-3, in one embodiment of the present invention, the swing assembly includes two sets of crank plates 10 fixed to one end of the stirring rod 16, two sets of the crank plates 10 are hinged to each other at one end, the other ends are symmetrically and rotatably mounted on mounting pins 17, two sets of the mounting pins 17 are fixed to second gears 15 which are symmetrically and meshingly connected, two sets of the second gears 15 are rotatably mounted on a U-shaped frame 20, and one side of the U-shaped frame 20 is fixedly mounted on the revolution assembly.
The two groups of crank plates 10 are driven to swing around the respective mounting pins 17 by the rotation of the two groups of second gears 15.
As shown in fig. 2-3, in one embodiment of the present invention, the revolving assembly includes a revolving ring 9 rotatably disposed inside the cover 5, the revolving ring 9 is provided with an opening for the swinging assembly to move, a toothed ring 12 is disposed on one side of the revolving ring 9, a first gear 14 is engaged with the toothed ring 12, a revolving rod 13 is fixedly disposed at the center of the first gear 14, the revolving rod 13 is rotatably disposed on the outer wall of the cover 5, and a U-shaped frame 20 is fixedly connected to one side inside the revolving ring 9.
The rotation of the gear ring 12 is controlled by the rotation of the first gear 14 to drive the rotating ring 9 to rotate integrally, so that the revolution of the stirring rod 16 is realized.
As shown in fig. 1 to 3, in one embodiment of the present invention, the driving unit includes a driving member 6 fixedly disposed at the top of the cover 5, and a linkage member is disposed between the driving member 6 and the rotating rod 13 for the driving member 6 to control the rotating rod 13 to rotate.
The linkage piece is including fixed band pulley 7 of establishing on driving piece 6 and bull stick 13, is equipped with hold-in range 8 between two sets of band pulleys 7, and the linkage piece can adopt above-mentioned scheme, also can adopt the mode that chain and sprocket are connected, and driving piece 6 is the motor, rotates linkage piece operation control bull stick 13 through the output of driving piece 6 and rotates.
As shown in fig. 2 and 3, in an embodiment of the present invention, the linkage unit includes a fixing rod 11 fixedly disposed on a central inner wall of the top of the bucket cover 5, a third gear 21 is fixedly disposed at the other end of the fixing rod 11, the third gear 21 is in meshing connection with a fourth gear 22, and a transmission member is disposed between the fourth gear 22 and any one of the second gears 15, and is used for the fourth gear 22 to change a motion state of any one of the second gears 15.
In the above scheme, a worm 19 is fixedly arranged at the center of a fourth gear 22, the worm 19 is rotatably connected inside a U-shaped frame 20, a worm wheel 18 is meshed with the side of the worm 19, the worm wheel 18 is provided with a rotating pin which is rotatably connected to the U-shaped frame 20, the rotating pin extends out of the U-shaped frame 20 and is fixedly arranged at the center of any one of the second gears 15, a first bevel gear can be fixedly arranged on the fourth gear 22 and is meshed with a second bevel gear, the center of the second bevel gear is fixedly connected with any one of the second gears 15, when a rotating ring 9 rotates, the fourth gear 22 rotates around the third gear 21, the rotation of the fourth gear 22 can control the worm 19 to rotate so as to control the worm wheel 18 to rotate, and the worm wheel 18 can drive any one of the second gears 15 to rotate.
In one embodiment of the present invention, a sealing member is provided at a contact position of the cover 5 and the hopper 2 to seal the cover 5 and the hopper 2.
The sealing member is a sealing strip, so that the sealing performance of the hopper cover 5 and the hopper 2 can be improved, and the vacuum bubble discharging effect is ensured.
As shown in fig. 1 and 4, in one embodiment of the present invention, a plurality of support legs 1 are provided at the bottom of a material containing hopper 2, a material outlet is provided at the center of the bottom of the material containing hopper 2, a suction pump 24 is provided at the material outlet for discharging silver colloid, and a vacuum pump 23 is provided at the outside of the material containing hopper 2 for discharging bubbles.
According to the closed type silver colloid preparation device for LED packaging, the stirring and mixing effects in the silver colloid preparation stage are increased, the maximum discharge of bubbles is achieved, the bubble rate of the silver colloid is reduced, the production and preparation quality of the silver colloid is improved, the device manufacturing cost is low to control, the use is rapid and convenient, and the device has a value in the technical field of silver colloid preparation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (9)
1. The utility model provides a device is prepared with closed silver colloid to LED encapsulation, includes holding hopper to and the activity inlays the fill lid of establishing at holding hopper opening part, its characterized in that, device is prepared with closed silver colloid to LED encapsulation still includes:
the stirring mechanism is arranged inside the hopper cover and used for stirring the silver colloid raw material, the stirring mechanism comprises two groups of stirring rods which are distributed in a staggered mode, and the two groups of stirring rods are arranged at one ends of the stirring rods and used for enabling the stirring rods to generate reciprocating swing motion.
2. The hermetic silver paste dispensing apparatus for LED packaging according to claim 1, further comprising:
and the connecting mechanism is arranged between the hopper cover and the outer part of the material containing hopper and is used for hermetically connecting the hopper cover and the material containing hopper.
3. The device for preparing the hermetic silver paste for the LED package according to claim 2, wherein the connecting mechanism comprises a plurality of fixing lugs correspondingly fixed on the bucket cover and the material containing bucket, and a telescopic member is arranged between two corresponding groups of the fixing lugs for adjusting the distance between the bucket cover and the material containing bucket.
4. The device for preparing the hermetic silver paste for the LED package according to claim 1, wherein the swing assembly comprises two sets of the turning plates fixed at one end of the stirring rod, one ends of the two sets of the turning plates are hinged to each other, the other ends of the two sets of the turning plates are symmetrically and rotatably arranged on the mounting pins respectively, the two sets of the mounting pins are fixed on the second gears which are symmetrically and meshingly connected respectively, the two sets of the second gears are rotatably arranged on the U-shaped frame, and one side of the U-shaped frame is fixedly arranged on the revolution assembly.
5. The device for preparing the hermetic silver paste for the LED package as claimed in claim 1, wherein the revolution component comprises a rotary ring rotatably disposed inside the bucket cover, the rotary ring is provided with an opening for the swinging component to move, a gear ring is disposed on one side of the rotary ring, a first gear is engaged with the gear ring, a rotary rod is fixedly disposed at the center of the first gear, the rotary rod is rotatably disposed on the outer wall of the bucket cover, and a U-shaped frame is fixedly connected to one side inside the rotary ring.
6. The device for preparing the hermetic silver paste for the LED package as claimed in claim 1, wherein the driving unit comprises a driving member fixedly disposed at the top of the bucket cover, and a linkage member is disposed between the driving member and the rotating rod for the driving member to control the rotating rod to rotate.
7. The device as claimed in claim 4, wherein the linkage unit includes a fixing rod fixedly disposed on the inner wall of the top center of the bucket cover, a third gear is fixedly disposed at the other end of the fixing rod, the third gear is engaged with a fourth gear, and a transmission member is disposed between the fourth gear and any one of the second gears for the fourth gear to change the motion state of any one of the second gears.
8. The apparatus of claim 1, wherein a sealing member is disposed at a contact position between the cover and the hopper for sealing the cover and the hopper.
9. The device for preparing the closed type silver colloid for the LED packaging according to claim 1 or 8, wherein a plurality of supporting legs are arranged at the bottom of the material containing hopper, a material outlet is arranged at the center of the bottom of the material containing hopper, an extraction pump is arranged on the material outlet, and a vacuum pump is arranged outside the material containing hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110620930.7A CN113351070B (en) | 2021-06-03 | 2021-06-03 | Closed silver colloid preparation device for LED packaging |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110620930.7A CN113351070B (en) | 2021-06-03 | 2021-06-03 | Closed silver colloid preparation device for LED packaging |
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| CN113351070A true CN113351070A (en) | 2021-09-07 |
| CN113351070B CN113351070B (en) | 2022-11-04 |
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