LED fluorescent powder spraying device

Abstract

The invention relates to the field of LED fluorescent powder spraying, and particularly discloses an LED fluorescent powder spraying device which comprises a supporting mechanism and a spraying mechanism. The spraying mechanism comprises a moving frame assembly arranged on the workbench assembly, a mounting frame assembly is clamped and embedded in the middle of the moving frame assembly in a sliding mode, and a spraying frame assembly is further mounted on the mounting frame assembly in a limiting mode; the workbench assembly comprises a workbench body, and a first guide block is arranged on the upper side of the workbench body. Through cooperative work of the moving frame assembly, the mounting frame assembly and the spraying frame assembly, it is ensured that paint can be uniformly and stably sprayed to an LED workpiece, through the moving mode of the nozzle and the spraying frame assembly, the paint can form a uniform coating in the spraying process, and the spraying efficiency is improved. And the problems of low excitation efficiency of fluorescent powder, non-uniform light emission and the like caused by non-uniform spraying are avoided.

Description

Technical Field

[0001] The invention belongs to the field of LED fluorescent powder spraying, in particular to an LED fluorescent powder spraying device. Background Art

[0002] Phosphors have the property of absorbing and re-radiating light. In LED lighting, phosphors are often used to convert blue light or other colors emitted by LED chips into desired white light or other colors. For example, a blue LED chip combined with YAG:Ce yellow phosphor can produce white light.

[0003] By spraying phosphor, the spectrum range of LED can be broadened, the color rendering index can be improved, and the light can be made softer and more natural, which helps to improve the luminous efficiency and light quality of LED.

[0004] In traditional spraying technology, factors such as spraying equipment, spraying methods or operator skill level often lead to uneven spraying, which in turn affects the luminous effect and quality of LED workpieces. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides an LED phosphor spraying device to solve the problem of uneven spraying often caused by factors such as spraying equipment, spraying method or operator's skill level in the prior art, thereby affecting the luminous effect and quality of the LED workpiece.

[0006] An LED fluorescent powder spraying device includes a supporting mechanism and a spraying mechanism:

[0007] The support mechanism includes a workbench assembly;

[0008] The spraying mechanism comprises a moving frame assembly arranged on the workbench assembly, a mounting frame assembly is embedded in the middle sliding card of the moving frame assembly, and a spraying frame assembly is also limitedly mounted on the mounting frame assembly;

[0009] The workbench assembly comprises a workbench body, and a guide block 1 is arranged on the upper side of the workbench body;

[0010] The mobile frame assembly includes a connecting frame 1, both sides of the connecting frame 1 are fixedly connected with side plates, the lower side of the side plates is fixedly connected with guide rods, the lower side of the guide rods is also fixedly connected with limit columns, the bottom of the limit columns is fixedly connected with bottom connecting strips, the bottom of the bottom connecting strips is fixedly connected with moving wheels, and the outer side of the guide rods is sleeved with springs;

[0011] The mounting frame assembly comprises a mounting frame body, one side of the bottom of the mounting frame body is fixedly connected with an arc-shaped guide block, the upper side of the mounting frame body is provided with a positioning groove, and the mounting frame body is also fixedly connected with a limit frame;

[0012] The spray rack assembly comprises a spray rack body, a nozzle is fixedly connected to the lower end of the spray rack body, a joint is fixedly connected to the upper end of the spray rack body, and a limit block is also fixedly connected to the outer side of the spray rack body;

[0013] The mounting frame body is limitedly slidably embedded in the outer side of the guide rod, the spring drives the mounting frame body to move downward and abut against the limiting column, the spray frame body is limitedly installed on the positioning groove by the limiting block, and the joint is connected to the external spray device.

[0014] Preferably, the bottom of the workbench body is also fixedly connected to a bottom support seat.

[0015] Preferably, an upper bracket assembly is fixedly mounted on the upper side of the workbench assembly, and the upper bracket assembly comprises an upper bracket body;

[0016] The upper side of the connecting frame 1 is also fixedly connected with a connecting block;

[0017] Also included is a driving mechanism, the driving mechanism comprising a screw assembly and a motor assembly mounted on the upper bracket body;

[0018] The screw assembly comprises a screw body and a positioning plate, one end of the screw body is fixedly connected to a pulley, and a matching slider is sleeved on the outer side of the screw body;

[0019] The motor assembly comprises a motor, the output end of the motor is fixedly connected to a second pulley, and the outer sides of the first pulley and the second pulley are both sleeved with a belt.

[0020] Preferably, the positioning plate 1 is fixedly mounted on the bottom of the upper bracket body, the screw rod body is mounted on the positioning plate 1 through a bearing, the motor is fixedly mounted on the upper side of the upper bracket body, and the slider and the connecting block are fixedly connected.

[0021] Preferably, a slide groove is provided on the upper side of the upper bracket body, and a guide rod is provided inside the slide groove.

[0022] Preferably, it further comprises a linkage mechanism, wherein the linkage mechanism comprises a gear assembly and a rack assembly, and a push plate assembly is fixedly mounted on the rack assembly;

[0023] The gear assembly is installed at the bottom of the upper bracket body, and the rack assembly is slidably engaged on the guide rod in the slide groove;

[0024] The gear assembly comprises a second positioning plate, and a gear is mounted on the outer side of the second positioning plate via a bearing;

[0025] The rack frame assembly comprises a rack fixing frame, the bottom of which is fixedly connected to a second rack, one end of which is also fixedly connected to a second connecting frame, and the upper end of which is also fixedly connected to a second guide block.

[0026] Preferably, the push plate assembly comprises a cylinder, and the output end of the cylinder is fixedly connected to the push plate;

[0027] The upper side of the side plate is also fixedly connected with a rack 1.

[0028] Preferably, the second positioning plate is fixedly mounted on the bottom of the upper bracket body, the gear and the second rack are meshed with each other, the second guide block is slidably embedded in the guide rod in the slide groove, the cylinder is fixedly mounted on the second connecting frame, and the gear is also meshed with the first rack.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] The coordinated work of the mobile rack assembly, the mounting rack assembly and the spray rack assembly ensures that the paint can be sprayed onto the LED workpiece evenly and stably. The movement of the nozzle and the spray rack assembly enables the paint to form a uniform coating during the spraying process, thus avoiding problems such as low phosphor excitation efficiency and uneven light output caused by uneven spraying.

[0031] By introducing the driving mechanism, the motor drives the pulley and the screw assembly to realize the automatic movement of the mobile frame assembly, thereby realizing the automation of the spraying process, which greatly reduces the manual operation links and improves the production efficiency;

[0032] Through the design of the linkage mechanism, the LED workpiece can be automatically pushed to move during the spraying process, further accelerating the spraying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 It is a schematic diagram of the decomposition structure of the present invention;

[0035] Figure 3 It is a structural schematic diagram of the support mechanism of the present invention;

[0036] Figure 4 It is a structural schematic diagram of the spraying mechanism of the present invention;

[0037] Figure 5 It is a structural schematic diagram of the driving mechanism of the present invention;

[0038] Figure 6 It is a structural schematic diagram of the linkage mechanism of the present invention.

[0039] In the figure: 1, support mechanism; 11, workbench assembly; 111, workbench body; 112, guide block 1; 113, bottom support seat; 12, upper bracket assembly; 121, upper bracket body; 122, slide; 2, spraying mechanism; 21, moving frame assembly; 211, connecting frame 1; 212, side plate; 213, guide rod; 214, limit column; 215, bottom connecting strip; 216, moving wheel; 217, spring; 218, connecting block; 219, rack 1; 22, mounting frame assembly; 221, mounting frame body; 222, arc guide block; 223, positioning groove; 224, limit frame; 23 , spray rack assembly; 231, spray rack body; 232, nozzle; 233, joint; 234, limit block; 3, driving mechanism; 31, screw assembly; 311, screw body; 312, positioning plate one; 313, pulley one; 314, slider; 32, motor assembly; 321, motor; 322, belt; 4, linkage mechanism; 41, gear assembly; 411, positioning plate two; 412, gear; 42, rack rack assembly; 421, rack fixing frame; 422, rack two; 423, connecting frame two; 424, guide block two; 43, push plate assembly; 431, cylinder; 432, push plate. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] like Figures 1 to 4 As shown:

[0042] Embodiment 1: The present invention provides an LED phosphor spraying device, comprising a supporting mechanism 1 and a spraying mechanism 2:

[0043] The support mechanism 1 includes a workbench assembly 11;

[0044] The spraying mechanism 2 includes a moving frame assembly 21 arranged on the workbench assembly 11, a mounting frame assembly 22 is embedded in the middle sliding card of the moving frame assembly 21, and a spraying frame assembly 23 is also limitedly installed on the mounting frame assembly 22;

[0045] The workbench assembly 11 includes a workbench body 111, and a guide block 112 is disposed on the upper side of the workbench body 111;

[0046] The moving frame assembly 21 includes a connecting frame 211, both sides of the connecting frame 211 are fixedly connected with side plates 212, the lower side of the side plates 212 is fixedly connected with a guide rod 213, the lower side of the guide rod 213 is also fixedly connected with a limit column 214, the bottom of the limit column 214 is fixedly connected with a bottom connecting strip 215, the bottom of the bottom connecting strip 215 is fixedly connected with a moving wheel 216, and the outer side of the guide rod 213 is sleeved with a spring 217;

[0047] The mounting frame assembly 22 includes a mounting frame body 221, a curved guide block 222 is fixedly connected to one side of the bottom of the mounting frame body 221, a positioning groove 223 is opened on the upper side of the mounting frame body 221, and a limit frame 224 is also fixedly connected to the mounting frame body 221;

[0048] The spray frame assembly 23 includes a spray frame body 231, a nozzle 232 is fixedly connected to the lower end of the spray frame body 231, a joint 233 is fixedly connected to the upper end of the spray frame body 231, and a limit block 234 is also fixedly connected to the outer side of the spray frame body 231;

[0049] The mounting frame body 221 is limitedly slidably embedded in the outer side of the guide rod 213, and the spring 217 drives the mounting frame body 221 to move downward and abut against the limiting column 214. The spraying frame body 231 is limitedly installed on the positioning groove 223 by the limiting block 234, and the joint 233 is connected to the external spraying device;

[0050] The joint 233 and the nozzle 232 are connected to each other, and the external spraying device can be placed in the limiting frame 224 to limit the movement.

[0051] As can be seen from the above, the LED workpiece to be sprayed is placed on the guide block 112, and the LED workpiece is pushed to the position of the arc-shaped guide block 222. Moving the movable frame assembly 21 can make the mounting frame assembly 22 and the spray frame assembly 23 follow the movement. When the mounting frame assembly 22 moves, the arc-shaped guide block 222 will be against the LED workpiece and located on the upper side of the LED workpiece. When the spray frame assembly 23 moves, opening the external spraying device can make the paint mixed with fluorescent powder be evenly sprayed onto the LED workpiece through the nozzle 232. At the same time, when spraying LED workpieces of different thicknesses, the spraying height is consistent, avoiding the situation where the paint spraying thickness is different due to the different heights of the LED workpieces.

[0052] like Figure 3 to Figure 4 As shown:

[0053] Embodiment 2: This embodiment is basically the same as the previous embodiment, except that a bottom support seat 113 is fixedly connected to the bottom of the workbench body 111 .

[0054] Specifically, an upper bracket assembly 12 is fixedly mounted on the upper side of the workbench assembly 11, and the upper bracket assembly 12 includes an upper bracket body 121;

[0055] The upper side of the connecting frame 211 is also fixedly connected with a connecting block 218;

[0056] It also includes a driving mechanism 3, which includes a screw assembly 31 and a motor assembly 32 mounted on the upper bracket body 121;

[0057] The screw assembly 31 includes a screw body 311 and a positioning plate 312. One end of the screw body 311 is fixedly connected to a pulley 313. The outer side of the screw body 311 is sleeved with a matching slider 314.

[0058] The motor assembly 32 includes a motor 321 , the output end of the motor 321 is fixedly connected to a second pulley, and a belt 322 is sleeved on the outer sides of the first pulley 313 and the second pulley.

[0059] Specifically, the positioning plate 312 is fixedly installed on the bottom of the upper bracket body 121, the screw body 311 is installed on the positioning plate 312 through a bearing, the motor 321 is fixedly installed on the upper side of the upper bracket body 121, and the slider 314 and the connecting block 218 are fixedly connected.

[0060] As can be seen from the above, turning on the motor 321 can make the pulley 2 drive the belt 322 to work, the work of the belt 322 can make the pulley 1 313 rotate, the rotation of the pulley 1 313 can make the screw body 311 drive the slider 314 to move, the movement of the slider 314 can make the connecting block 218 drive the connecting frame 1 211 to move, so that the mounting frame assembly 22 and the spray frame assembly 23 follow the movement.

[0061] Embodiment 3: This embodiment is basically the same as the previous embodiment, except that a slide groove 122 is further provided on the upper side of the upper bracket body 121 , and a guide rod is further provided inside the slide groove 122 .

[0062] Specifically, it also includes a linkage mechanism 4, which includes a gear assembly 41 and a rack assembly 42, and a push plate assembly 43 is fixedly mounted on the rack assembly 42;

[0063] The gear assembly 41 is mounted on the bottom of the upper bracket body 121, and the rack assembly 42 is slidably engaged with the guide rod in the slide groove 122;

[0064] The gear assembly 41 includes a second positioning plate 411 , and a gear 412 is mounted on the outer side of the second positioning plate 411 via a bearing;

[0065] The rack frame assembly 42 includes a rack fixing frame 421 , a rack 2 422 is fixedly connected to the bottom of the rack fixing frame 421 , a connecting frame 2 423 is also fixedly connected to one end of the rack fixing frame 421 , and a guide block 2 424 is also fixedly connected to the upper end of the connecting frame 2 423 .

[0066] Specifically, the push plate assembly 43 includes a cylinder 431, and the output end of the cylinder 431 is fixedly connected to a push plate 432;

[0067] A rack 219 is also fixedly connected to the upper side of the side plate 212 .

[0068] Specifically, the positioning plate 411 is fixedly installed on the bottom of the upper bracket body 121, the gear 412 and the rack 422 are meshed with each other, the guide block 424 is slidably embedded in the guide rod in the slide groove 122, the cylinder 431 is fixedly installed on the connecting frame 423, and the gear 412 is also meshed with the rack 219.

[0069] As can be seen from the above, when the height of the LED workpiece is higher than the guide block 112, when the LED workpiece is moved to the position of the arc-shaped guide block 222, the cylinder 431 is turned on to make the push plate 432 drop to the specified position, and the push plate 432 is always higher than the upper edge of the guide block 112 and can push the LED workpiece;

[0070] When the connecting frame 211 moves, the side plate 212 will drive the rack 1 219 to move, the movement of the rack 1 219 will cause the gear 412 to rotate and drive the rack 2 422 to move in the opposite direction, the movement of the rack 2 422 will cause the rack fixing frame 421 to drive the connecting frame 2 423 to move, the movement of the connecting frame 2 423 will cause the push plate assembly 43 to follow the movement, the movement of the push plate assembly 43 will cause the push plate 432 to push the LED workpiece to move, thereby accelerating the spraying efficiency of the LED workpiece.

[0071] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0072] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0073] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0074] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0075] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0076] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0077] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An LED phosphor spraying device, characterized in that: It comprises a supporting mechanism (1) and a spraying mechanism (2): The support mechanism (1) comprises a workbench assembly (11); The spraying mechanism (2) comprises a moving frame assembly (21) arranged on the workbench assembly (11), a mounting frame assembly (22) is embedded in the middle sliding card of the moving frame assembly (21), and a spraying frame assembly (23) is also limitedly mounted on the mounting frame assembly (22); The workbench assembly (11) comprises a workbench body (111), and a guide block 1 (112) is arranged on the upper side of the workbench body (111); The movable frame assembly (21) comprises a connecting frame (211), both sides of the connecting frame (211) are fixedly connected with side plates (212), the lower side of the side plates (212) is fixedly connected with a guide rod (213), the lower side of the guide rod (213) is also fixedly connected with a limiting column (214), the bottom of the limiting column (214) is fixedly connected with a bottom connecting strip (215), the bottom of the bottom connecting strip (215) is fixedly connected with a moving wheel (216), and the outer side of the guide rod (213) is sleeved with a spring (217); The mounting frame assembly (22) comprises a mounting frame body (221), a curved guide block (222) is fixedly connected to one side of the bottom of the mounting frame body (221), a positioning groove (223) is provided on the upper side of the mounting frame body (221), and a limiting frame (224) is also fixedly connected to the mounting frame body (221); The spray frame assembly (23) comprises a spray frame body (231), the lower end of the spray frame body (231) is fixedly connected to a nozzle (232), the upper end of the spray frame body (231) is fixedly connected to a joint (233), and the outer side of the spray frame body (231) is also fixedly connected to a limiting block (234); The mounting frame body (221) is limitedly slidably engaged on the outer side of the guide rod (213); the spring (217) drives the mounting frame body (221) to move downward and abut against the limiting column (214); the spray frame body (231) is limitedly mounted on the positioning groove (223) by a limiting block (234); and the joint (233) is connected to an external spray device.

2. The LED phosphor spraying device according to claim 1, characterized in that: The bottom of the workbench body (111) is also fixedly connected to a bottom support seat (113).

3. An LED phosphor spraying device as claimed in claim 1 or 2, characterized in that: An upper bracket assembly (12) is fixedly mounted on the upper side of the workbench assembly (11), and the upper bracket assembly (12) comprises an upper bracket body (121); The upper side of the connecting frame 1 (211) is also fixedly connected with a connecting block (218); It also includes a driving mechanism (3), wherein the driving mechanism (3) includes a screw assembly (31) and a motor assembly (32) mounted on the upper bracket body (121); The screw rod assembly (31) comprises a screw rod body (311) and a positioning plate (312); one end of the screw rod body (311) is fixedly connected to a pulley (313); and a matching slider (314) is sleeved on the outer side of the screw rod body (311); The motor assembly (32) comprises a motor (321), the output end of the motor (321) is fixedly connected to a second pulley, and the outer sides of the first pulley (313) and the second pulley are both sleeved with a belt (322).

4. The LED fluorescent powder spraying device as claimed in claim 3, characterized in that: The positioning plate 1 (312) is fixedly mounted on the bottom of the upper bracket body (121); the screw rod body (311) is mounted on the positioning plate 1 (312) via a bearing; the motor (321) is fixedly mounted on the upper side of the upper bracket body (121); and the slider (314) and the connecting block (218) are fixedly connected.

5. The LED fluorescent powder spraying device as claimed in claim 4, characterized in that: A slide groove (122) is also provided on the upper side of the upper bracket body (121), and a guide rod is also provided inside the slide groove (122).

6. The LED fluorescent powder spraying device as claimed in claim 5, characterized in that: It also includes a linkage mechanism (4), wherein the linkage mechanism (4) includes a gear assembly (41) and a rack assembly (42), and a push plate assembly (43) is fixedly mounted on the rack assembly (42); The gear assembly (41) is mounted on the bottom of the upper bracket body (121), and the rack assembly (42) is slidably engaged with the guide rod in the slide groove (122); The gear assembly (41) comprises a second positioning plate (411), and a gear (412) is mounted on the outer side of the second positioning plate (411) via a bearing; The rack frame assembly (42) comprises a rack fixing frame (421), the bottom of which is fixedly connected to a second rack (422), one end of which is also fixedly connected to a second connecting frame (423), and the upper end of which is also fixedly connected to a second guide block (424).

7. The LED fluorescent powder spraying device as claimed in claim 6, characterized in that: The push plate assembly (43) comprises a cylinder (431), and the output end of the cylinder (431) is fixedly connected to a push plate (432); The upper side of the side plate (212) is also fixedly connected to a rack 1 (219).

8. The LED fluorescent powder spraying device as claimed in claim 7, characterized in that: The second positioning plate (411) is fixedly mounted on the bottom of the upper bracket body (121), the gear (412) and the second rack (422) are meshed with each other, the second guide block (424) is slidably embedded on the guide rod in the slide groove (122), the cylinder (431) is fixedly mounted on the second connecting frame (423), and the gear (412) is also meshed with the first rack (219).

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