Temperature-controllable LED lamp string production dispensing mechanism

The temperature-controlled dispensing mechanism solves the problems of glue coagulation and uneven glue distribution in traditional LED dispensing machines, enabling efficient and environmentally friendly LED string production. It ensures accurate glue dripping and drying, improving production efficiency and worker health.

CN224389180UActive Publication Date: 2026-06-23LUOHE HONGHUANGLAN EIECTRONIC TECH CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LUOHE HONGHUANGLAN EIECTRONIC TECH CO LTD
Filing Date
2025-07-24
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Traditional LED dispensing machines are prone to problems such as glue coagulation leading to blockage, uneven glue distribution, and odor pollution of the workshop air during the dispensing process, which affect the packaging quality of LED light strings and the health of workers.

Method used

A temperature-controlled dispensing mechanism was designed, which precisely controls the glue temperature through a servo motor, a stepper motor, and a temperature sensor. It is also equipped with a drying component and a filter device to ensure that the glue is accurately dispensed and dried in time, and to absorb odors.

Benefits of technology

It enables precise encapsulation and efficient drying of adhesives, improves dispensing quality, reduces odor pollution, and ensures production efficiency and worker health.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224389180U_ABST
Patent Text Reader

Abstract

The utility model provides a kind of temperature-controllable LED lamp string production is used to point gum mechanism, including support plate frame, the top of support plate frame is equipped with support column, rotation ring is rotatably equipped on support column, rotation ring is uniformly equipped with multiple placing plate frame along the circumference, rotation ring is further equipped with gear ring one, servo motor is equipped on support plate frame, the power output end of servo motor is equipped with the driving gear one for gear ring one, support column is further equipped with point gum component;Support plate frame is further equipped with the drying component for glue drying treatment;Servo motor and the controller electric connection being set on support plate frame.The temperature-controllable LED lamp string production is used to point gum mechanism provided by the utility model, not only precise control to glue temperature is convenient, ensure that glue accurately drops to carry out the packaging of LED chip, can also immediately dry treatment to the glue that drops, and can adsorb purification to the peculiar smell generated in drying process, ensure that the process of point gum is efficient, environmental protection carries out.
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Description

Technical Field

[0001] This utility model belongs to the technical field of LED light string production equipment, specifically relating to a temperature-controllable dispensing mechanism for LED light string production. Background Technology

[0002] PVC-insulated string lights, also known as PVC-insulated string lights, differ from traditional LED string lights. Traditional LED string lights consist of a lamp head and two insulated wires connecting the lamp head to each LED unit. These units are connected in series, and a key characteristic of traditional LED string lights is the V-shaped structure formed by the lamp head and the two insulated wires, making the lamp head protrude and less aesthetically pleasing. PVC-insulated string lights, on the other hand, conceal the lamp head within the insulation, resulting in a more aesthetically pleasing and elegant appearance. In the production of existing PVC-insulated string lights, the LED chips within the LED beads need to be encapsulated. This typically requires an LED dispensing machine for adhesive dispensing, and the quality of the dispensing significantly impacts the quality of the finished LED product.

[0003] Traditional LED dispensing machines have several drawbacks that need improvement: 1. Due to the relatively high requirements for the adhesive during the dispensing process, if the adhesive coagulates during dispensing, it can easily lead to clogging of the dispensing nozzle or make it difficult to ensure the encapsulation effect of the adhesive on the LED chip, thus affecting the overall LED string dispensing and encapsulation effect; 2. Traditional dispensing devices are prone to air bubbles inside the adhesive on the LED beads after dispensing, and the adhesive is easily unevenly distributed, resulting in poor dispensing quality; 3. After dispensing, natural cooling and solidification are mostly used, which not only affects processing efficiency, but the odor generated by the adhesive can also easily pollute the workshop air and affect the health of workers.

[0004] Therefore, a new dispensing device needs to be designed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a temperature-controllable dispensing mechanism for LED string production. The specific solution is as follows:

[0006] A temperature-controllable LED string production dispensing mechanism includes a support frame with multiple support legs at the bottom and a support column at the top. A rotating ring is rotatably mounted on the support column, and multiple placement plates are evenly distributed along the circumference of the rotating ring. A gear ring is also provided on the rotating ring. A servo motor is mounted on the support frame, and the power output end of the servo motor is provided with a drive gear corresponding to the gear ring. A dispensing assembly is also provided on the support column. A drying assembly for drying the adhesive is also provided on the support frame. The servo motor is electrically connected to a controller mounted on the support frame.

[0007] Based on the above, the dispensing assembly includes a storage cylinder fixed on a support column. The storage cylinder has a dispensing port on its side wall, a sealing cap at the dispensing port, and a lifting plate. The side wall of the lifting plate has rubber that slides up and down against the side wall of the storage cylinder. Multiple guide rods slide through the storage cylinder on the lifting plate. A threaded rotating cylinder is rotatably mounted on the top of the storage cylinder, and a lead screw is screwed onto the rotating cylinder. The bottom end of the lead screw is fixedly connected to the lifting plate. A stepper motor is also mounted on the top of the storage cylinder, and a second drive gear is mounted on the power output end of the stepper motor. The second drive gear meshes with a second gear ring mounted on the rotating cylinder. An electric heating element and a temperature sensor are also mounted inside the storage cylinder. Multiple dispensing nozzles are located at the bottom of the storage cylinder, and solenoid valves are mounted at the dispensing nozzles. The stepper motor, electric heating element, temperature sensor, and solenoid valves are all electrically connected to the controller.

[0008] Based on the above, the drying assembly includes an induced draft fan fixed on a support frame. The air inlet of the induced draft fan is equipped with an air hood, which is located below the placement frame. The air outlet of the induced draft fan is connected to the inlet of a filter device through a connecting pipe. The outlet of the filter device is connected to the air inlet at the top of the heating shell. The heating shell is equipped with a second electric heating tube, and the bottom of the heating shell is equipped with an air outlet, which is connected to the air inlet at the top of the air distribution shell. The bottom of the air distribution shell is equipped with multiple exhaust holes, and the air distribution shell is located above the placement frame. The support frame is also equipped with a mounting bracket for supporting the heating shell. The induced draft fan and the second electric heating tube are both electrically connected to the controller.

[0009] Based on the above, the filtration device includes a filter housing, with the inlet at the top and the outlet at the bottom. Inside the filter housing, a dust filter and an activated carbon filter are arranged sequentially from top to bottom.

[0010] Based on the above, a second temperature sensor electrically connected to the controller is also provided inside the gas distribution shell.

[0011] Based on the above, the placement rack is provided with multiple placement slots for placing LED lights.

[0012] Based on the above, a miniature vibrator electrically connected to the controller is provided at the bottom of the placement rack.

[0013] Based on the above, the support column is provided with a photoelectric sensor for the placement plate frame. The photoelectric sensor includes a transmitter and a receiver electrically connected to the controller. The transmitter and receiver are located above and below the placement plate frame, respectively.

[0014] This utility model has substantial features and progress compared to the prior art. Specifically, this utility model has the following advantages:

[0015] The present invention provides a temperature-controllable dispensing mechanism for LED string production. Its structural design not only facilitates precise control of the glue temperature, ensuring accurate glue dripping to encapsulate LED chips, but also allows for immediate drying of the dripping glue and adsorption and purification of odors generated during the drying process, ensuring that the dispensing process is efficient and environmentally friendly. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 yes Figure 1 Schematic diagram of the structure at point A in the middle.

[0018] Figure 3 This is a schematic diagram of the structure of the plate holder in this utility model.

[0019] Figure 4 This is a schematic diagram of the filter device in this utility model.

[0020] In the diagram: 1. Support plate frame; 2. Support column; 3. Rotating ring; 4. Gear ring one; 5. Servo motor; 6. Placement plate frame; 6-1. Placement slot; 7. Storage cylinder; 7-1. Glue inlet; 8. Lifting plate; 9. Rubber sheet; 10. Guide rod; 11. Rotary drum; 12. Stepper motor; 13. Drive gear two; 14. Lead screw; 15. Heating element one; 16. Temperature sensor one; 17. Glue outlet; 18. Exhaust fan; 19. Exhaust hood; 20. Mounting bracket; 21. Heating shell; 22. Filter device; 22-1. Filter shell; 22-2. Dustproof net; 22-3. Activated carbon filter; 23. Heating element two; 24. Gas distribution shell; 25. Temperature sensor two; 26. Connecting pipe; 27. Controller; 28. Photoelectric sensor; 29. ​​Support leg. Detailed Implementation

[0021] The technical solution of this utility model will be further described in detail below through specific embodiments. Example

[0022] like Figure 1-4As shown, this utility model provides a temperature-controllable dispensing mechanism for LED string production, including a support frame 1. The bottom of the support frame 1 is provided with multiple support legs 29, and the top of the support frame 1 is provided with a support column 2. A rotating ring 3 is rotatably provided on the support column 2. Multiple placement plates 6 are evenly distributed along the circumference of the rotating ring 3. The rotating ring 3 is also provided with a gear ring 4. A servo motor 5 is provided on the support frame 1. The power output end of the servo motor 5 is provided with a drive gear 4 for the gear ring 4. The support column 2 is also provided with a dispensing assembly. The support frame 1 is also provided with a drying assembly for drying the glue. The servo motor 5 is electrically connected to a controller 27 provided on the support frame 1.

[0023] The aforementioned dispensing assembly includes a storage cylinder 7 fixed to a support column 2. The storage cylinder 7 has a dispensing port 7-1 on its side wall, with a sealing cap at the dispensing port 7-1. The storage cylinder 7 has a lifting plate 8, and the side wall of the lifting plate 8 has a rubber sheet 9 that slides up and down against the side wall of the storage cylinder 7. Multiple guide rods 10 slide through the storage cylinder 7 on the lifting plate 8. A threaded rotating cylinder 11 is rotatably mounted on the top of the storage cylinder 7, and a lead screw 14 is screwed onto the rotating cylinder 11. The bottom end of the lead screw 14 is fixed to the lifting plate 8. The storage cylinder 7 is connected to the controller 27. A stepper motor 12 is also provided at the top of the storage cylinder 7. The power output end of the stepper motor 12 is provided with a second drive gear 13. The second drive gear 13 meshes with a second gear ring provided on the rotating cylinder 11. The storage cylinder 7 is also provided with a first heating element 15 and a first temperature sensor 16. The bottom of the storage cylinder 7 is provided with multiple glue dispensing nozzles 17. A solenoid valve is provided at each glue dispensing nozzle 17. The stepper motor 12, the first heating element 15, the first temperature sensor 16, and the solenoid valve are all electrically connected to the controller 27.

[0024] To facilitate the drying of the adhesive, the aforementioned drying assembly includes a blower 18 fixed on the support frame 1. The blower 18 has an air inlet equipped with an air hood 19 located below the placement frame 6. The outlet of the blower 18 is connected to the inlet of the filter device 22 via a connecting pipe 26. The outlet of the filter device 22 is connected to the air inlet at the top of the heating shell 21. The heating shell 21 contains a second electric heating tube 23 and has an air outlet at its bottom, which is connected to the air inlet at the top of the air distribution shell 24. The air distribution shell 24 has multiple exhaust holes at its bottom and is located above the placement frame 6. The support frame 1 also has a mounting bracket 20 for supporting the heating shell 21. The blower 18 and the second electric heating tube 23 are both electrically connected to the controller 27.

[0025] The above-mentioned filtration device 22 is used to adsorb and purify the waste gas generated during the glue drying process. It includes a filter shell 22-1, the top of the filter shell 22-1 is provided with the inlet, the bottom of the filter shell 22-1 is provided with the outlet, and the filter shell 22-1 is provided with a dust filter 22-2 and an activated carbon filter 22-3 from top to bottom.

[0026] The aforementioned gas distribution shell 24 is also equipped with a temperature sensor 25 that is electrically connected to the controller 27.

[0027] To facilitate the placement of LED light strings, multiple placement slots 6-1 for placing LED lights are provided on the placement plate 6.

[0028] Considering that there may be air bubbles inside the glue dripping onto the LED beads, a miniature vibrator electrically connected to the controller 27 is provided at the bottom of the aforementioned placement plate 6 to remove them.

[0029] To improve the automation level of the equipment, a photoelectric sensor 28 for the placement rack 6 is provided on the support column 2. The photoelectric sensor 28 includes a transmitter and a receiver electrically connected to the controller 27. The transmitter and receiver are located above and below the placement rack 6, respectively.

[0030] It should be noted that, in order to facilitate the staff to control the amount of glue remaining in the storage cylinder 7, one of the guide rods 10 is also equipped with scale lines.

[0031] The specific working principle of this utility model is as follows: First, the temperature of the glue during dispensing and the temperature inside the air chamber 24 during glue drying are set by the controller 27, and the rotation amplitude of the servo motor 5 and the stepper motor 12 are also set. During the dispensing process, the LED light string is first laid on the placement board 6, and then the servo motor 5 is started. When the photoelectric sensor 28 detects the placement board 6, the controller 27 turns off the servo motor 5, starts the micro vibrator on the placement board 6, and opens the solenoid valve to control the stepper motor 12 to rotate a certain amplitude, and the glue drips onto the LED light. After the dispensing is completed, the servo motor 5 is started to dispense the LED light string on the next placement board 6.

[0032] When the LED string after dispensing is rotated above the air hood 19, the adhesive is dried by hot air.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A temperature-controllable dispensing mechanism for producing LED light strings, characterized in that: The system includes a support frame (1), with multiple support legs (29) at the bottom and a support column (2) above it. A rotating ring (3) is rotatably mounted on the support column (2), and multiple placement frames (6) are evenly distributed around the rotating ring (3) along its circumference. A gear ring (4) is also mounted on the rotating ring (3). A servo motor (5) is mounted on the support frame (1), and the power output end of the servo motor (5) is equipped with a drive gear for the gear ring (4). A dispensing assembly is also mounted on the support column (2). A drying assembly for drying the glue is also mounted on the support frame (1). The servo motor (5) is electrically connected to a controller (27) mounted on the support frame (1).

2. The temperature-controllable LED string production dispensing mechanism according to claim 1, characterized in that: The dispensing assembly includes a storage cylinder (7) fixed on a support column (2). The side wall of the storage cylinder (7) is provided with a dispensing port (7-1). A sealing cap is provided at the dispensing port (7-1). The storage cylinder (7) is provided with a lifting plate (8). The side wall of the lifting plate (8) is provided with a rubber sheet (9) that slides up and down against the side wall of the storage cylinder (7). Multiple guide rods (10) that slide through the storage cylinder (7) are provided on the lifting plate (8). The top of the storage cylinder (7) is provided with a rotating cylinder (11) with internal threads. A screw rod (14) is screwed onto the rotating cylinder (11). The bottom end of the screw rod (14) is connected to the lifting plate (7-1). 8) Fixed connection; a stepper motor (12) is also provided at the top of the storage cylinder (7), and the power output end of the stepper motor (12) is provided with a second active gear (13), and the second active gear (13) meshes with a second gear ring provided on the rotating cylinder (11); an electric heating tube (15) and a temperature sensor (16) are also provided inside the storage cylinder (7), and multiple glue outlets (17) are provided at the bottom of the storage cylinder (7), and a solenoid valve is provided at the glue outlet (17); the stepper motor (12), the electric heating tube (15), the temperature sensor (16), and the solenoid valve are all electrically connected to the controller (27).

3. The temperature-controllable dispensing mechanism for LED string production according to claim 1, characterized in that: The drying assembly includes an induced draft fan (18) fixed on a support frame (1). The air inlet of the induced draft fan (18) is provided with an air hood (19), which is located below the placement frame (6). The air outlet of the induced draft fan (18) is connected to the inlet of a filter device (22) through a connecting pipe (26). The outlet of the filter device (22) is connected to the air inlet at the top of the heating shell (21). The heating shell (21) is equipped with an electric... Heat pipe 2 (23) and heating shell (21) are provided with an air outlet at the bottom. The air outlet is connected to the air inlet at the top of the air distribution shell (24). The air distribution shell (24) is provided with multiple exhaust holes at the bottom. The air distribution shell (24) is located above the placement plate (6). The support plate (1) is also provided with a mounting bracket (20) for mounting the heating shell (21). The fan (18) and electric heating pipe 2 (23) are both electrically connected to the controller (27).

4. The dispensing mechanism for temperature-controllable LED string production according to claim 3, characterized in that: The filtration device (22) includes a filter shell (22-1), the top of the filter shell (22-1) is provided with the inlet, the bottom of the filter shell (22-1) is provided with the outlet, and the filter shell (22-1) is provided with a dust filter (22-2) and an activated carbon filter (22-3) from top to bottom.

5. The temperature-controllable LED string production dispensing mechanism according to claim 3, characterized in that: The gas separator (24) is also equipped with a second temperature sensor (25) that is electrically connected to the controller (27).

6. The temperature-controllable dispensing mechanism for LED string production according to claim 1, characterized in that: The placement rack (6) is provided with multiple placement slots (6-1) for placing LED lights.

7. The temperature-controllable dispensing mechanism for LED string production according to claim 1, characterized in that: The bottom of the placement plate frame (6) is provided with a miniature vibrator that is electrically connected to the controller (27).

8. The temperature-controllable LED string production dispensing mechanism according to claim 1, characterized in that: The support column (2) is provided with a photoelectric sensor (28) for the placement plate frame (6). The photoelectric sensor (28) includes a transmitter and a receiver electrically connected to the controller (27). The transmitter and receiver are located above and below the placement plate frame (6), respectively.