阅读说明：本技术 一种led灯荧光粉层的制备方法 (Preparation method of LED lamp fluorescent powder layer ) 是由 熊新意 王华正 刘占飞 于 2020-05-15 设计创作，主要内容包括：本发明公开了一种LED灯荧光粉层的制备方法,包括如下步骤：将点涂装置上的挡板从容纳槽内抽离出来,第一液压杆和第二液压杆工作实现将处理桶移动至底座的上方,翻转电机工作实现调整处理桶的位置,并将桶盖从处理桶上拆卸下来；在处理桶内加入荧光粉和粘结剂胶水之后将桶盖固定在处理桶上,第三驱动电机工作实现搅拌杆在处理桶内转动,使荧光粉和粘结剂胶水搅拌均匀；第一液压杆和第二液压杆工作实现将处理桶位于底座的容纳槽内；第一驱动电机和第二驱动电机工作调整了连接板的位置并通过两块U形夹料板将LED芯片夹紧；本发明便于在LED芯片上进行点涂荧光粉胶水,给工作人员带来了便利。(The invention discloses a preparation method of an LED lamp fluorescent powder layer, which comprises the following steps: the baffle on the point coating device is pulled out of the containing groove, the first hydraulic rod and the second hydraulic rod work to move the treatment barrel to the upper part of the base, the turnover motor works to adjust the position of the treatment barrel, and the barrel cover is detached from the treatment barrel; after fluorescent powder and binder glue are added into the treatment barrel, the barrel cover is fixed on the treatment barrel, and the third driving motor works to realize that the stirring rod rotates in the treatment barrel, so that the fluorescent powder and the binder glue are uniformly stirred; the first hydraulic rod and the second hydraulic rod work to position the treatment barrel in the accommodating groove of the base; the first driving motor and the second driving motor work to adjust the position of the connecting plate and clamp the LED chip through the two U-shaped material clamping plates; the LED chip is convenient for spot coating of fluorescent powder glue on the LED chip, and brings convenience to workers.)

1. A preparation method of an LED lamp fluorescent powder layer is characterized by comprising the following steps:

the baffle (19) on the point coating device is pulled out of the containing groove (3), the first hydraulic rod (24) and the second hydraulic rod (25) work to move the processing barrel (6) to the upper part of the base (1), the turnover motor (29) works to adjust the position of the processing barrel (6), and the barrel cover (30) is detached from the processing barrel (6);

after fluorescent powder and adhesive glue are added into the processing barrel (6), the barrel cover (30) is fixed on the processing barrel (6), and the third driving motor (33) works to realize that the stirring rod (7) rotates in the processing barrel (6) so as to uniformly stir the fluorescent powder and the adhesive glue;

the first hydraulic rod (24) and the second hydraulic rod (25) work to position the treatment barrel (6) in the accommodating groove (3) of the base (1);

the first driving motor (44) and the second driving motor (45) work to adjust the position of the connecting plate (9) and clamp the LED chip through the two U-shaped material clamping plates (17);

the first driving motor (44) works to realize the rotation of the rotating ring (2) so that an LED chip needing to be coated with fluorescent powder glue is close to the upper surface of the base (1), the second driving motor (45) works to realize the rotation of the connecting plate (9) so as to realize the rotation of the connecting plate (9) and enable the connecting plate (9) to be in a horizontal position, the first hydraulic rod (24), the second hydraulic rod (25) and the overturning motor (29) work to realize the action of the ejection block (39) and the LED chip so that the control block (35) moves upwards, the material blocking block (38) is separated from the discharge hole (36) in the process that the control block (35) moves upwards, the material blocking block (38) is located below the control block (35), and therefore the fluorescent powder glue in the processing barrel (6) can conveniently drop on the LED chip;

when the fluorescent powder glue is applied to the LED chip, the LED chip after the fluorescent powder glue is applied is taken out from the clamping hole (12);

after the fluorescent powder glue is coated on the outer surface of the LED chip, performing centrifugal treatment on the LED chip to enable the fluorescent powder in the fluorescent powder glue to be deposited on the outer surface of the LED chip to form a fluorescent powder layer, and forming a glue sealing layer on the outer surface of the fluorescent powder layer;

and curing the LED chip with the fluorescent powder layer and the glue layer formed on the outer surface.

2. The method for preparing the LED lamp fluorescent powder layer is characterized in that the spot coating device comprises a base (1) and a rotating ring (2) which is symmetrically and rotatably connected above the base (1);

the top end face of the base (1) faces downwards to form an accommodating groove (3), a moving plate (4) is vertically movably connected in the accommodating groove (3), the moving plate (4) is horizontally movably connected with a moving plate (5), the moving plate (5) is rotatably connected with a processing barrel (6), a stirring rod (7) is rotatably connected in the processing barrel (6), a discharging end of the processing barrel (6) is communicated with a discharging pipe (8), and a discharging port of the discharging pipe (8) is provided with a material control mechanism;

the novel clamping device is characterized in that a connecting plate (9) is rotatably connected between the rotating rings (2), a limiting groove (10) is formed in the side wall of the connecting plate (9), a material carrying plate (11) is detachably connected in the limiting groove (10), a clamping hole (12) is formed in the material carrying plate (11), a connecting plate (13) is movably connected in the material carrying plate (11), the connecting plates (13) are fixedly connected through a connecting rod (14), one of the connecting plates is fixedly connected with a threaded rod (15) in the connecting plate (13), one end of the threaded rod (15) penetrates through the material carrying plate (11) and is in threaded connection with a locking nut (16), and a U-shaped clamping plate (17) is fixedly connected to the connecting plate (13) and the side wall of the clamping hole (12) correspondingly.

3. The method for preparing the LED lamp fluorescent powder layer according to claim 2, wherein fixing plates (18) are symmetrically and fixedly connected to the base (1), a baffle plate (19) movably penetrates through the accommodating groove (3), and one end of the baffle plate (19) penetrates through the side wall of the accommodating groove (3) and is located between the two fixing plates (18).

4. The method for preparing the LED lamp phosphor layer according to claim 3, wherein a groove (20) is formed in the baffle (19), a limiting block (21) is movably connected in the groove (20), a first lead screw (22) is fixedly connected to the limiting block (21), and one end of the first lead screw (22) penetrates through the groove (20) and a side wall of the fixing plate (18) and is in threaded connection with a first fixing nut (23).

5. The method for preparing the LED lamp fluorescent powder layer according to claim 2, wherein a first hydraulic rod (24) is fixedly connected to the bottom of the accommodating groove (3), and a movable end of the first hydraulic rod (24) is fixedly connected to the moving plate (4);

the movable plate (4) is fixedly connected with a second hydraulic rod (25), and the movable end of the second hydraulic rod (25) is fixedly connected to the movable plate (5).

6. The method for preparing the LED lamp fluorescent powder layer according to claim 2, wherein horizontal plates (26) are symmetrically and fixedly connected to the side walls of the accommodating groove (3), first movable blocks (27) are slidably connected to the horizontal plates (26), and the movable plates (5) are fixedly connected between the first movable blocks (27);

fixedly connected with backup pad (28) on fly leaf (5), fixedly connected with upset motor (29) on backup pad (28), the drive shaft of upset motor (29) and the lateral wall fixed connection of processing barrel (6).

7. The preparation method of the LED lamp fluorescent powder layer according to claim 2, wherein a barrel cover (30) is arranged at a feed hole of the treatment barrel (6), a second lead screw (31) is fixedly connected to the barrel cover (30), and one end of the second lead screw (31) penetrates through the side wall of the treatment barrel (6) and is in threaded connection with a second fixing nut (32);

a third driving motor (33) is fixedly connected to the side wall of the barrel cover (30), and the stirring rod (7) is fixedly connected to a driving shaft of the third driving motor (33);

the side wall of the barrel cover (30) opposite to the treatment barrel (6) is fixedly connected with a sealing ring (34), and the sealing ring (34) is positioned in a sealing groove of the treatment barrel (6).

8. The method for preparing the LED lamp phosphor layer according to claim 2, wherein the material control mechanism comprises a material control block (35), one end of the material control block (35) is elastically connected to a discharge port of a discharge pipe (8), a discharge hole (36) is formed in the material control block (35), a T-shaped rod (37) is fixedly connected to the discharge port of the discharge pipe (8), one end of the T-shaped rod (37) penetrates through the discharge hole (36) and is fixedly connected with a material blocking block (38), and the material blocking block (38) is matched with the discharge hole (36);

the control block (35) is fixedly connected with an ejection block (39);

the cavity has been seted up in discharging pipe (8), fixedly connected with spring (40) in the cavity, the one end fixedly connected with second movable block (41) of spring (40), fixedly connected with connecting rod (42) on second movable block (41), the lateral wall of cavity and with accuse material piece (35) fixed connection are passed to the one end of connecting rod (42).

9. The method for preparing the LED lamp fluorescent powder layer according to claim 2, wherein a vertical plate (43) is fixedly connected to the upper surface of the base (1), a first driving motor (44) is fixedly connected to the vertical plate (43), and a driving shaft of the first driving motor (44) is fixedly connected to the rotating ring (2);

and a second driving motor (45) is fixedly connected to the rotating ring (2), and a driving shaft of the second driving motor (45) is fixedly connected with the connecting plate (9).

10. The method for preparing the LED lamp fluorescent powder layer according to claim 2, wherein a U-shaped fixing plate (46) is fixedly connected in the limiting groove (10), a third hydraulic rod (47) is fixedly connected in the limiting groove (10), a U-shaped moving plate (48) is fixedly connected at a movable end of the third hydraulic rod (47), and openings of the U-shaped moving plate (48) and the U-shaped fixing plate (46) are oppositely arranged and matched with the material carrying plate (11).

Technical Field

The invention relates to the technical field of LED lamps, in particular to a preparation method of a fluorescent powder layer of an LED lamp.

Background

The LED lamp is a solid semiconductor device capable of converting electric energy into visible light, and can directly convert electricity into light, the heart of the LED is a semiconductor wafer, one end of the wafer is attached to a support, the other end of the wafer is a cathode, and the other end of the wafer is connected with an anode of a power supply, so that the whole wafer is packaged by epoxy resin, and the LED lamp is continuously promoted in the field of illumination along with the LED. The method of packaging blue LED and fluorescent powder in the prior art has become the main technical route of white light LED. However, in the existing preparation method of the LED lamp fluorescent powder layer, when the fluorescent powder glue is applied to the outer surface of the LED chip, the worker generally performs manual operation, that is, the worker holds the LED chip needing to be applied with the fluorescent powder glue by hand, and then coats the fluorescent powder glue on the LED chip, so that the method is time-consuming and labor-consuming, and reduces the working efficiency.

Disclosure of Invention

The invention aims to provide a preparation method of an LED lamp fluorescent powder layer, and aims to solve the problems that the existing preparation method of the LED lamp fluorescent powder layer in the background art generally adopts manual operation of workers when spot-coating fluorescent powder glue on the outer surface of an LED chip, namely, the workers hold the LED chip needing the spot-coating fluorescent powder glue with hands and then coat the fluorescent powder glue on the LED chip, and the method wastes time and labor and reduces the working efficiency.

In order to achieve the purpose, the invention provides the following technical scheme:

a preparation method of an LED lamp fluorescent powder layer comprises the following steps:

the baffle on the point coating device is pulled out of the containing groove, the first hydraulic rod and the second hydraulic rod work to move the treatment barrel to the upper part of the base, the turnover motor works to adjust the position of the treatment barrel, and the barrel cover is detached from the treatment barrel;

after fluorescent powder and binder glue are added into the treatment barrel, the barrel cover is fixed on the treatment barrel, and the third driving motor works to realize that the stirring rod rotates in the treatment barrel, so that the fluorescent powder and the binder glue are uniformly stirred;

the first hydraulic rod and the second hydraulic rod work to position the treatment barrel in the accommodating groove of the base;

the first driving motor and the second driving motor work to adjust the position of the connecting plate and clamp the LED chip through the two U-shaped material clamping plates;

the first driving motor works to realize the rotation of the rotating ring, so that an LED chip needing to be spot-coated with fluorescent powder glue is close to the upper surface of the base, the second driving motor works to realize the rotation of the connecting plate, so that the connecting plate is positioned in a horizontal position, the first hydraulic rod, the second hydraulic rod and the overturning motor work to realize the action of the ejection block and the LED chip so that the material control block moves upwards, the material blocking block is separated from the discharge hole in the process of moving upwards, so that the material blocking block is positioned below the material control block, and the fluorescent powder glue in the treatment barrel is convenient to drop on the LED chip;

when the fluorescent powder glue is applied to the LED chip, taking the LED chip after the fluorescent powder glue is applied to the LED chip out of the clamping hole;

after the fluorescent powder glue is coated on the outer surface of the LED chip, performing centrifugal treatment on the LED chip to enable the fluorescent powder in the fluorescent powder glue to be deposited on the outer surface of the LED chip to form a fluorescent powder layer, and forming a glue sealing layer on the outer surface of the fluorescent powder layer;

and curing the LED chip with the fluorescent powder layer and the glue layer formed on the outer surface.

As a further scheme of the invention: the point coating device comprises a base and rotating rings which are symmetrically and rotatably connected above the base;

the top end face of the base is downwards provided with a containing tank, a moving plate is vertically and movably connected in the containing tank, the moving plate is horizontally and movably connected with a moving plate, a processing barrel is rotatably connected to the moving plate, a stirring rod is rotatably connected inside the processing barrel, the discharge end of the processing barrel is communicated with a discharge pipe, and a discharge port of the discharge pipe is provided with a material control mechanism;

the connecting plate is rotatably connected between the rotating rings, a limiting groove is formed in the side wall of the connecting plate, a material carrying plate is detachably connected in the limiting groove, a clamping hole is formed in the material carrying plate, connecting plates are movably connected in the material carrying plate and fixedly connected with each other through connecting rods, a threaded rod is fixedly connected to each connecting plate, one end of the threaded rod penetrates through the material carrying plate and is in threaded connection with a locking nut, and U-shaped material clamping plates are correspondingly and fixedly connected to the side walls of the connecting plates and the clamping hole.

As a further scheme of the invention: the base is symmetrically and fixedly connected with fixed plates, a baffle plate movably penetrates through the accommodating tank, one end of the baffle plate penetrates through the side wall of the accommodating tank and is positioned between the two fixed plates, and when the baffle plate is positioned in the accommodating tank, the protection effect on a movable plate, a movable plate and a treatment barrel in the accommodating tank is realized; when the device needs to be used for working, the baffle can be pulled out from the containing groove by manually pulling out the baffle by a worker.

As a further scheme of the invention: the baffle plate is provided with a groove, a limiting block is movably connected in the groove, a first lead screw is fixedly connected to the limiting block, one end of the first lead screw penetrates through the groove and the side wall of the fixing plate and is in threaded connection with a first fixing nut, when the baffle plate needs to be pulled out of the accommodating groove, a worker manually rotates the first fixing nut, when the first fixing nut is separated from the first lead screw, the worker manually pushes the first lead screw to enable the first lead screw to be located in the groove, and then manually pulls the baffle plate, so that the baffle plate can be pulled out of the accommodating groove; when needs were installed the baffle in the holding tank, the staff passed the lateral wall of base with the one end of baffle and was located the holding tank, later the staff manually promoted first lead screw, made the lateral wall of recess and fixed plate is passed to the one end of first lead screw to at the first fixation nut of tip screw in of first lead screw, realized promptly with the baffle installation in the holding tank.

As a further scheme of the invention: the bottom of the accommodating groove is fixedly connected with a first hydraulic rod, the movable end of the first hydraulic rod is fixedly connected to the movable plate, and the movable plate moves upwards or downwards when the first hydraulic rod works, so that the purpose that the treatment barrel moves upwards or downwards is achieved;

the movable plate is fixedly connected with a second hydraulic rod, the movable end of the second hydraulic rod is fixedly connected to the movable plate, and the movable plate moves in the horizontal direction when the second hydraulic rod works, so that the purpose that the treatment barrel moves in the horizontal direction is achieved.

As a further scheme of the invention: the side wall of the accommodating groove is symmetrically and fixedly connected with horizontal plates, the horizontal plates are connected with first movable blocks in a sliding mode, the movable plates are fixedly connected among the first movable blocks, and the first movable blocks are connected to the horizontal plates in a sliding mode, so that the movable plates can move;

fixedly connected with backup pad on the fly leaf, fixedly connected with upset motor in the backup pad, the drive shaft of upset motor and the lateral wall fixed connection of processing barrel, the rotation of processing barrel is realized in upset motor work to the angle of processing barrel has been adjusted.

As a further scheme of the invention: the barrel cover is arranged at the position of the feeding hole of the treatment barrel, a second screw rod is fixedly connected to the barrel cover, one end of the second screw rod penetrates through the side wall of the treatment barrel and is in threaded connection with a second fixing nut, when the barrel cover needs to be detached from the treatment barrel, a worker manually rotates the second fixing nut to enable the second fixing nut to be separated from the second screw rod, and then the worker manually pushes the second screw rod to enable the second screw rod to be taken down from the treatment barrel, so that the barrel cover is detached from the treatment barrel; when the barrel cover needs to be installed on the processing barrel, a worker penetrates one end of the second screw rod through the processing barrel and extends to the lower part of the processing barrel, then the second screw rod is screwed in the second fixing nut, and the barrel cover is fixed on the processing barrel through the matching effect of the second fixing nut and the second screw rod;

the side wall of the barrel cover is fixedly connected with a third driving motor, the stirring rod is fixedly connected to a driving shaft of the third driving motor, and the third driving motor works to realize that the stirring rod rotates in the treatment barrel, so that the aim of stirring materials in the treatment barrel is fulfilled;

the sealing ring is fixedly connected to the side wall of the barrel cover, opposite to the treatment barrel, and is positioned in the sealing groove of the treatment barrel.

As a further scheme of the invention: the material control mechanism comprises a material control block, one end of the material control block is elastically connected into a discharge port of the discharge pipe, a discharge hole is formed in the material control block, a T-shaped rod is fixedly connected into the discharge port of the discharge pipe, one end of the T-shaped rod penetrates through the discharge hole and is fixedly connected with a material blocking block, and the material blocking block is matched with the discharge hole;

the control block is fixedly connected with an ejection block;

the discharging pipe is provided with a cavity, a spring is fixedly connected in the cavity, one end of the spring is fixedly connected with a second movable block, a connecting rod is fixedly connected to the second movable block, one end of the connecting rod penetrates through the side wall of the cavity and is fixedly connected with a material control block, the upward movement of the material control block is realized when the ejection block and the LED chip act, the material control block is separated from the discharging hole in the upward movement process of the material control block, and the material stop block is positioned below the material control block, so that the material in the processing barrel is convenient to drop on the LED chip; when the ejection block does not interact with the LED chip, the second movable block and the connecting rod drive the control block to move downwards under the action of the spring, and when the material blocking block is positioned in the discharge hole, the material in the treatment barrel is prevented from flowing out of the discharge hole.

As a further scheme of the invention: the upper surface of the base is fixedly connected with a vertical plate, the vertical plate is fixedly connected with a first driving motor, a driving shaft of the first driving motor is fixedly connected with a rotating ring, and the first driving motor works to realize that the rotating ring rotates above the base;

a second driving motor is fixedly connected to the rotating ring, a driving shaft of the second driving motor is fixedly connected with the connecting plate, and the second driving motor works to realize the rotation of the connecting plate, so that the position of the connecting plate is adjusted.

As a further scheme of the invention: the limiting groove is internally and fixedly connected with a U-shaped fixed plate, the limiting groove is internally and fixedly connected with a third hydraulic rod, a movable end of the third hydraulic rod is fixedly connected with a U-shaped moving plate, openings of the U-shaped moving plate and the U-shaped fixed plate are oppositely arranged and matched with the material carrying plate, when the material carrying plate needs to be taken down from the limiting groove, the third hydraulic rod works to realize the movement of the U-shaped moving plate, and when the U-shaped moving plate is separated from the material carrying plate, a worker can detach the material carrying plate from the space between the U-shaped moving plate and the U-shaped fixed plate; when the material carrying plate is required to be installed between the U-shaped moving plate and the U-shaped fixed plate, the worker places the material carrying plate between the U-shaped moving plate and the U-shaped fixed plate, the third hydraulic rod works to achieve movement of the U-shaped moving plate, and the material carrying plate is locked through cooperation of the U-shaped moving plate and the U-shaped fixed plate.

Compared with the prior art, the invention has the beneficial effects that:

be connected with the movable plate through vertical removal in the holding tank, horizontal migration is connected with the movable plate on the movable plate, it is connected with the processing barrel to rotate on the movable plate, the position of the adjustment processing barrel of being convenient for, first fixation nut is rotated to the staff hand, when first fixation nut breaks away from first lead screw, the staff hand push first lead screw makes first lead screw be located the recess, later manual pulling baffle, can take out the baffle from holding the inslot, first hydraulic stem and second hydraulic stem work are realized removing the processing barrel to the top of base, the position of adjustment processing barrel is realized in upset motor work.

Be connected with the puddler through the internal rotation at the processing barrel, be convenient for realize the stirring of phosphor powder and binder glue in the processing barrel, add phosphor powder and binder glue in the processing barrel, the staff passes the processing barrel with the one end of second lead screw and extends to the below of processing barrel, later screw in second fixation nut on the second lead screw, the cooperation through second fixation nut and second lead screw realizes fixing the bung on the processing barrel, third driving motor work realizes the puddler at the processing barrel internal rotation, thereby reached and put into the effect of phosphor powder and binder glue stirring in the processing barrel, make phosphor powder and binder glue stirring.

The material control mechanism is arranged at the discharge hole of the discharge pipe, so that the fluorescent powder glue water uniformly stirred in the treatment barrel can be conveniently controlled to flow out, the material control block moves upwards when the ejection block and the LED chip act, the material blocking block is separated from the discharge hole in the process of moving upwards, and the material blocking block is positioned below the material control block, so that the material in the treatment barrel can be conveniently dropped on the LED chip; when the ejection block does not interact with the LED chip, the second movable block and the connecting rod drive the control block to move downwards under the action of the spring, and when the material blocking block is positioned in the discharge hole, the material in the treatment barrel is prevented from flowing out of the discharge hole.

The material carrying plate is detachably connected in the limiting groove, so that the material carrying plate is convenient to mount and dismount in the limiting groove, when the material carrying plate needs to be taken down from the limiting groove, the third hydraulic rod works to realize the movement of the U-shaped moving plate, and when the U-shaped moving plate is separated from the material carrying plate, a worker can dismount the material carrying plate from a position between the U-shaped moving plate and the U-shaped fixed plate; when the material carrying plate is required to be installed between the U-shaped moving plate and the U-shaped fixed plate, the worker places the material carrying plate between the U-shaped moving plate and the U-shaped fixed plate, the third hydraulic rod works to achieve movement of the U-shaped moving plate, and the material carrying plate is locked through cooperation of the U-shaped moving plate and the U-shaped fixed plate.

Through having the baffle through the activity runs through in the holding tank, be convenient for realize the installation and the dismantlement of baffle in the holding tank, lie in the holding tank when the baffle and realized the guard action to movable plate, fly leaf and processing bucket in the holding tank, use the device work as needs, the staff is manual takes out the baffle, can take out the baffle from accommodating the inslot.

The preparation method of the LED lamp fluorescent powder layer is convenient for spot coating of fluorescent powder glue on the LED chip, and brings convenience to workers.

Drawings

FIG. 1 is a schematic diagram of a method for preparing a phosphor layer of an LED lamp;

FIG. 2 is a schematic view of the interior of a baffle plate in a method for manufacturing a phosphor layer of an LED lamp;

FIG. 3 is a schematic view of the interior of a base in a method for manufacturing a phosphor layer of an LED lamp;

fig. 4 is a schematic diagram illustrating the connection between a processing barrel and a first hydraulic rod in a method for preparing a phosphor layer of an LED lamp;

FIG. 5 is a schematic view of the inside of a processing barrel in a method for preparing a phosphor layer of an LED lamp;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a schematic diagram of a sealing ring in a method for manufacturing a phosphor layer of an LED lamp;

fig. 8 is a schematic diagram of a second driving motor and a material-carrying plate in a method for preparing a phosphor layer of an LED lamp;

fig. 9 is an internal schematic view of a material-carrying plate in a method for preparing an LED lamp phosphor layer;

fig. 10 is a schematic diagram of a U-shaped material clamping plate in a preparation method of an LED lamp phosphor layer;

fig. 11 is a schematic view of a U-shaped moving plate in a method for manufacturing a phosphor layer of an LED lamp;

in the figure: 1. a base; 2. a rotating ring; 3. accommodating grooves; 4. moving the plate; 5. a movable plate; 6. a treatment barrel; 7. a stirring rod; 8. a discharge pipe; 9. a connecting plate; 10. a limiting groove; 11. a material carrying plate; 12. a clamping hole; 13. a connection plate; 14. a phase connecting rod; 15. a threaded rod; 16. locking the nut; 17. a U-shaped material clamping plate; 18. a fixing plate; 19. a baffle plate; 20. a groove; 21. a limiting block; 22. a first lead screw; 23. a first fixing nut; 24. a first hydraulic lever; 25. a second hydraulic rod; 26. a horizontal plate; 27. a first movable block; 28. a support plate; 29. turning over a motor; 30. a barrel cover; 31. a second lead screw; 32. a second fixing nut; 33. a third drive motor; 34. a seal ring; 35. a material control block; 36. a discharge hole; 37. a T-shaped rod; 38. a material blocking block; 39. ejecting a block; 40. a spring; 41. a second movable block; 42. a connecting rod; 43. a vertical plate; 44. a first drive motor; 45. a second drive motor; 46. a U-shaped fixing plate; 47. a third hydraulic lever; 48. a U-shaped moving plate.

Detailed Description

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.

Referring to fig. 1 to 11, in an embodiment of the present invention, a method for preparing a LED lamp phosphor layer includes the following steps:

the baffle plate 19 on the point coating device is pulled out from the containing groove 3, the first hydraulic rod 24 and the second hydraulic rod 25 work to move the processing barrel 6 to the upper part of the base 1, the turnover motor 29 works to adjust the position of the processing barrel 6, and the barrel cover 30 is detached from the processing barrel 6;

after fluorescent powder and adhesive glue are added into the treatment barrel 6, the barrel cover 30 is fixed on the treatment barrel 6, and the third driving motor 33 works to realize that the stirring rod 7 rotates in the treatment barrel 6, so that the fluorescent powder and the adhesive glue are uniformly stirred;

the first hydraulic rod 24 and the second hydraulic rod 25 work to position the treatment barrel 6 in the accommodating groove 3 of the base 1;

the first driving motor 44 and the second driving motor 45 work to adjust the position of the connecting plate 9 and clamp the LED chip through the two U-shaped material clamping plates 17;

the first driving motor 44 works to realize the rotation of the rotating ring 2, so that an LED chip needing to be spot-coated with fluorescent powder glue is close to the upper surface of the base 1, the second driving motor 45 works to realize the rotation of the connecting plate 9, so that the connecting plate 9 is in a horizontal position, the first hydraulic rod 24, the second hydraulic rod 25 and the overturning motor 29 work to realize the action of the ejection block 39 and the LED chip so that the control block 35 moves upwards, the material blocking block 38 is separated from the discharge hole 36 in the process of the upward movement of the control block 35, so that the material blocking block 38 is positioned below the control block 35, and the fluorescent powder glue in the processing barrel 6 can fall on the LED chip conveniently;

when the fluorescent powder glue is applied to the LED chip, the LED chip after the fluorescent powder glue is applied is taken out from the clamping hole 12;

after the fluorescent powder glue is coated on the outer surface of the LED chip, performing centrifugal treatment on the LED chip to enable the fluorescent powder in the fluorescent powder glue to be deposited on the outer surface of the LED chip to form a fluorescent powder layer, and forming a glue sealing layer on the outer surface of the fluorescent powder layer;

and curing the LED chip with the fluorescent powder layer and the glue layer formed on the outer surface.

The point coating device comprises a base 1 and a rotating ring 2 which is symmetrically and rotatably connected above the base 1;

the top end face of the base 1 is downwards provided with a holding tank 3, a moving plate 4 is vertically movably connected in the holding tank 3, a moving plate 5 is horizontally movably connected on the moving plate 4, a treatment barrel 6 is rotatably connected on the moving plate 5, a stirring rod 7 is rotatably connected in the treatment barrel 6, the discharge end of the treatment barrel 6 is communicated with a discharge pipe 8, and a discharge port of the discharge pipe 8 is provided with a material control mechanism;

the connecting plate 9 is rotatably connected between the rotating rings 2, a limiting groove 10 is formed in the side wall of the connecting plate 9, a material carrying plate 11 is detachably connected in the limiting groove 10, a clamping hole 12 is formed in the material carrying plate 11, a connecting plate 13 is movably connected in the material carrying plate 11, the connecting plates 13 are fixedly connected through a connecting rod 14, a threaded rod 15 is fixedly connected to one connecting plate 13, one end of the threaded rod 15 penetrates through the material carrying plate 11 and is in threaded connection with a locking nut 16, and a U-shaped material carrying plate 17 is correspondingly and fixedly connected to the connecting plate 13 and the side wall of the clamping hole 12.

The base 1 is symmetrically and fixedly connected with the fixed plates 18, the baffle plate 19 movably penetrates through the accommodating groove 3, one end of the baffle plate 19 penetrates through the side wall of the accommodating groove 3 and is positioned between the two fixed plates 18, and when the baffle plate 19 is positioned in the accommodating groove 3, the protection effect on the movable plate 4, the movable plate 5 and the treatment barrel 6 in the accommodating groove 3 is realized; when the device needs to be used for work, a worker can manually pull out the baffle plate 19, and then the baffle plate 19 can be pulled out from the accommodating groove 3.

A groove 20 is formed in the baffle plate 19, a limiting block 21 is movably connected in the groove 20, a first lead screw 22 is fixedly connected to the limiting block 21, one end of the first lead screw 22 penetrates through the groove 20 and the side wall of the fixing plate 18 and is in threaded connection with a first fixing nut 23, when the baffle plate 19 needs to be pulled out of the accommodating groove 3, a worker manually rotates the first fixing nut 23, when the first fixing nut 23 is separated from the first lead screw 22, the worker manually pushes the first lead screw 22 to enable the first lead screw 22 to be located in the groove 20, and then manually pulls the baffle plate 19, so that the baffle plate 19 can be pulled out of the accommodating groove 3; when the baffle plate 19 needs to be installed in the accommodating groove 3, a worker penetrates one end of the baffle plate 19 through the side wall of the base 1 and is located in the accommodating groove 3, and then the worker manually pushes the first lead screw 22, so that one end of the first lead screw 22 penetrates through the groove 20 and the side wall of the fixing plate 18, and the end part of the first lead screw 22 is screwed into the first fixing nut 23, namely, the baffle plate 19 is installed in the accommodating groove 3.

The bottom of the accommodating groove 3 is fixedly connected with a first hydraulic rod 24, the movable end of the first hydraulic rod 24 is fixedly connected to the moving plate 4, and the first hydraulic rod 24 works to realize that the moving plate 4 moves upwards or downwards so as to achieve the purpose that the treatment barrel 6 moves upwards or downwards;

the movable plate 4 is fixedly connected with a second hydraulic rod 25, the movable end of the second hydraulic rod 25 is fixedly connected to the movable plate 5, and the second hydraulic rod 25 works to move the movable plate 5 in the horizontal direction, so that the purpose that the treatment barrel 6 moves in the horizontal direction is achieved.

The side wall of the accommodating groove 3 is symmetrically and fixedly connected with horizontal plates 26, the horizontal plates 26 are slidably connected with first movable blocks 27, the movable plates 5 are fixedly connected between the first movable blocks 27, and the first movable blocks 27 are slidably connected on the horizontal plates 26, so that the movable plates 5 can move;

the movable plate 5 is fixedly connected with a supporting plate 28, the supporting plate 28 is fixedly connected with a turnover motor 29, a driving shaft of the turnover motor 29 is fixedly connected with the outer side wall of the treatment barrel 6, and the turnover motor 29 works to realize the rotation of the treatment barrel 6, so that the angle of the treatment barrel 6 is adjusted.

A barrel cover 30 is arranged at a feeding hole of the treatment barrel 6, a second screw rod 31 is fixedly connected to the barrel cover 30, one end of the second screw rod 31 penetrates through the side wall of the treatment barrel 6 and is in threaded connection with a second fixing nut 32, when the barrel cover 30 needs to be detached from the treatment barrel 6, a worker manually rotates the second fixing nut 32 to enable the second fixing nut 32 to be separated from the second screw rod 31, and then the worker manually pushes the second screw rod 31 to enable the second screw rod 31 to be taken down from the treatment barrel 6, namely the barrel cover 30 is detached from the treatment barrel 6; when the barrel cover 30 needs to be installed on the processing barrel 6, a worker passes one end of the second lead screw 31 through the processing barrel 6 and extends to the lower part of the processing barrel 6, then the second fixing nut 32 is screwed on the second lead screw 31, and the barrel cover 30 is fixed on the processing barrel 6 through the matching effect of the second fixing nut 32 and the second lead screw 31.

A third driving motor 33 is fixedly connected to the side wall of the barrel cover 30, the stirring rod 7 is fixedly connected to a driving shaft of the third driving motor 33, and the third driving motor 33 works to realize that the stirring rod 7 rotates in the treatment barrel 6, so that the aim of stirring materials in the treatment barrel 6 is fulfilled;

the side wall of the barrel cover 30 corresponding to the processing barrel 6 is fixedly connected with a sealing ring 34, the sealing ring 34 is positioned in the sealing groove of the processing barrel 6, and when the barrel cover 30 is installed on the processing barrel 6, the sealing effect of the joint of the barrel cover 30 and the processing barrel 6 is realized because the sealing ring 34 is positioned in the sealing groove of the processing barrel 6.

The material control mechanism comprises a material control block 35, one end of the material control block 35 is elastically connected in a discharge port of the discharge pipe 8, a discharge hole 36 is formed in the material control block 35, a T-shaped rod 37 is fixedly connected in the discharge port of the discharge pipe 8, one end of the T-shaped rod 37 penetrates through the discharge hole 36 and is fixedly connected with a material stop block 38, and the material stop block 38 is matched with the discharge hole 36;

the control block 35 is fixedly connected with an ejection block 39.

The discharge pipe 8 is provided with a cavity, a spring 40 is fixedly connected in the cavity, one end of the spring 40 is fixedly connected with a second movable block 41, a connecting rod 42 is fixedly connected on the second movable block 41, one end of the connecting rod 42 penetrates through the side wall of the cavity and is fixedly connected with the material control block 35, when the ejection block 39 acts with the LED chip, the material control block 35 moves upwards, the material stop block 38 is separated from the discharge hole 36 in the upward movement process of the material control block 35, and the material stop block 38 is positioned below the material control block 35, so that the material in the processing barrel 6 is convenient to drop on the LED chip; when the ejection block 39 does not interact with the LED chip, the second movable block 41 and the connecting rod 42 drive the material control block 35 to move downward due to the action of the spring 40, and when the material blocking block 38 is located in the discharge hole 36, the material in the processing barrel 6 is prevented from flowing out of the discharge hole 36.

The upper surface of the base 1 is fixedly connected with a vertical plate 43, the vertical plate 43 is fixedly connected with a first driving motor 44, a driving shaft of the first driving motor 44 is fixedly connected with the rotating ring 2, and the first driving motor 44 works to realize that the rotating ring 2 rotates above the base 1;

a second driving motor 45 is fixedly connected to the rotating ring 2, a driving shaft of the second driving motor 45 is fixedly connected with the connecting plate 9, and the second driving motor 45 works to realize the rotation of the connecting plate 9, so that the position of the connecting plate 9 is adjusted.

The limiting groove 10 is internally and fixedly connected with a U-shaped fixed plate 46, the limiting groove 10 is internally and fixedly connected with a third hydraulic rod 47, the movable end of the third hydraulic rod 47 is fixedly connected with a U-shaped moving plate 48, the openings of the U-shaped moving plate 48 and the U-shaped fixed plate 46 are oppositely arranged and matched with the material carrying plate 11, when the material carrying plate 11 needs to be taken down from the limiting groove 10, the third hydraulic rod 47 works to realize the movement of the U-shaped moving plate 48, and when the U-shaped moving plate 48 is separated from the material carrying plate 11, a worker can detach the material carrying plate 11 from the space between the U-shaped moving plate 48 and the U-shaped fixed plate 46; when the material carrying plate 11 needs to be installed between the U-shaped moving plate 48 and the U-shaped fixing plate 46, an operator places the material carrying plate 11 between the U-shaped moving plate 48 and the U-shaped fixing plate 46, the third hydraulic rod 47 works to achieve movement of the U-shaped moving plate 48, and the material carrying plate 11 is locked through cooperation of the U-shaped moving plate 48 and the U-shaped fixing plate 46.

When the invention is used, a worker manually rotates the first fixing nut 23, when the first fixing nut 23 is separated from the first lead screw 22, the worker manually pushes the first lead screw 22 to enable the first lead screw 22 to be positioned in the groove 20, then manually pulls the baffle 19, the baffle 19 can be pulled out of the accommodating groove 3, the first hydraulic rod 24 and the second hydraulic rod 25 work to enable the processing barrel 6 to be moved to the upper side of the base 1, the turnover motor 29 works to enable the position of the processing barrel 6 to be adjusted, the worker manually rotates the second fixing nut 32 to enable the second fixing nut 32 to be separated from the second lead screw 31, and then the worker manually pushes the second lead screw 31 to enable the second lead screw 31 to be taken down from the processing barrel 6, namely, the barrel cover 30 is detached from the processing barrel 6.

Phosphor powder and binder glue are added into the processing barrel 6, a worker penetrates one end of the second lead screw 31 through the processing barrel 6 and extends to the lower part of the processing barrel 6, then the second lead screw 31 is screwed into the second fixing nut 32, the barrel cover 30 is fixed on the processing barrel 6 through the matching effect of the second fixing nut 32 and the second lead screw 31, the third driving motor 33 works to realize the rotation of the stirring rod 7 in the processing barrel 6, the effect of stirring the phosphor powder and the binder glue in the processing barrel 6 is achieved, and the phosphor powder and the binder glue are uniformly stirred.

The first hydraulic lever 24 and the second hydraulic lever 25 work to position the treatment tank 6 in the accommodation groove 3 of the base 1.

The first driving motor 44 and the second driving motor 45 work to adjust the position of the connecting plate 9, a worker manually rotates the locking nut 16 to enable the locking nut 16 to be separated from the threaded rod 15, manually moves the connecting plate 13, places an LED chip needing to be coated with fluorescent powder glue in the clamping hole 12, and then screws the locking nut 16 into the threaded rod 15, so that the connecting plate 13 is moved, and the LED chip is clamped through the two U-shaped clamping plates 17.

The first driving motor 44 works to realize the rotation of the rotating ring 2, so that an LED chip needing to be coated with fluorescent powder glue is close to the upper surface of the base 1, the second driving motor 45 works to realize the rotation of the connecting plate 9, so that the connecting plate 9 is rotated, the connecting plate 9 is in a horizontal position, then the first hydraulic rod 24 and the second hydraulic rod 25 work to realize that the processing barrel 6 moves to the upper part of the connecting plate 9, the overturning motor 29 works to adjust the angle of the processing barrel 6, the first hydraulic rod 24, the second hydraulic rod 25 and the overturning motor 29 work to realize the action of the ejection block 39 and the LED chip to enable the material control block 35 to move upwards, and the material blocking block 38 is separated from the discharge hole 36 in the process of upward movement of the material control block 35, so that the fluorescent powder glue in the processing barrel 6 falls on the LED chip conveniently;

when the fluorescent powder glue is coated on the LED chip, the first hydraulic rod 24, the second hydraulic rod 25 and the turnover motor 29 work to enable the ejection block 39 not to interact with the LED chip, the second movable block 41 and the connecting rod 42 drive the material control block 35 to move downwards under the action of the spring 40, and when the material stop block 38 is located in the discharge hole 36, the material in the processing barrel 6 is prevented from flowing out of the discharge hole 36.

The first driving motor 44 works to realize the rotation of the rotating ring 2, so that the position of the connecting plate 9 is adjusted, a worker manually rotates the locking nut 16, when the locking nut 16 is taken down from the threaded rod 15, the worker manually pulls the connecting plate 13, and the LED chip with the point-coated fluorescent powder glue can be taken out from the clamping hole 12.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.