Dam dispensing valve block

Abstract

The utility model belongs to the technical field of LED (light-emitting diode) dispensing, and discloses a box dam dispensing valve block which comprises a base and a plurality of needle head blocks, the needle head blocks are arranged and distributed along the extension direction of the base, the top end of the base is provided with glue injection holes of the needle head blocks, the needle head blocks are provided with glue outlet holes, and the glue injection holes and the glue outlet holes are communicated to form a dispensing channel. The needle head block and the base are detachably connected, the needle head block and the base are designed to be detachably connected, the problem that a whole set of equipment needs to be replaced when a traditional integrated dispensing structure is matched with lamp strips of different specifications and models is solved, in the scheme of the embodiment, a user only needs to replace the needle head block of the corresponding specification, and the requirement for multi-specification production can be met; brand-new dispensing equipment does not need to be purchased, the application range of the equipment is widened, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of LED dispensing technology, and in particular to a dam dispensing valve block. Background Technology

[0002] LED technology has been widely used in many industries, including daily lighting, backlighting displays, automobile manufacturing, agricultural planting, and medical equipment. Its diverse application scenarios also determine the diversified needs for LED packaging forms.

[0003] In COB packaging, common processes include die bonding, wire bonding, damming, phosphor application, and drying. Among these, the damming process is a crucial step in COB LED strip production. It involves applying phosphor to both sides of the LED chip to form a dam structure, providing a precise operational basis for subsequent phosphor application. This process demands extremely high precision and stability in the application of the phosphor to ensure the LED strip's luminous efficacy and packaging quality.

[0004] However, the dam dispensing equipment currently used in the market generally has design limitations. When it is necessary to produce different specifications and models of light strips, it is usually necessary to replace the entire dispensing equipment. Each specification of light strip requires a dedicated dispensing equipment, which not only leads to a significant increase in equipment procurement and production costs, but also affects production efficiency due to the cumbersome equipment replacement.

[0005] Therefore, a dam-sealing adhesive valve block is proposed to solve the above problems. Utility Model Content

[0006] The main purpose of this utility model is to provide a dam-type dispensing valve block, which aims to solve the problem that existing dispensing equipment requires replacing the entire dispensing equipment when dealing with different models and specifications of light strips, thus increasing production costs.

[0007] To achieve the above-mentioned utility model objectives, this utility model proposes a dam dispensing valve block, including a base and multiple needle blocks. The multiple needle blocks are arranged along the extension direction of the base. The top of the base is provided with an injection hole, and the needle blocks are provided with dispensing holes. The injection hole and the dispensing hole are connected to form a dispensing channel.

[0008] The needle block is detachably connected to the base.

[0009] Furthermore, the needle block is provided with a mounting post, the base is provided with a mounting hole, and the mounting post is inserted into the mounting hole.

[0010] Furthermore, a positioning groove is provided at the bottom end of the base, the needle block is connected to the base, and the side wall of the needle block abuts against the inner wall of the positioning groove. The positioning groove is used for positioning and installing the needle block.

[0011] Furthermore, the glue injection hole and the glue outlet hole correspond one-to-one, and the glue outlet channel is a vertical channel.

[0012] Furthermore, the bottom end of the needle block is conical in shape.

[0013] Furthermore, the number of glue outlet holes corresponding to a set of glue outlet holes is two, and the two glue outlet holes are symmetrically arranged on both sides of the central axis at the bottom end of the needle block.

[0014] Furthermore, the dispensing hole is provided with a shaping groove for the dam to pass through.

[0015] Beneficial effects:

[0016] This utility model discloses a dam dispensing valve block, comprising a base and multiple needle blocks. The needle blocks are arranged along the extension direction of the base. The top of the base is provided with an injection hole for the needle blocks, and the needle blocks are provided with an outlet hole. The injection hole and the outlet hole are connected to form a dispensing channel. The needle blocks are detachably connected to the base. By designing the needle blocks and the base to be detachably connected, the problem of needing to replace the entire equipment when adapting to different specifications and models of light strips in traditional integrated dispensing structures is solved. In this embodiment, the user only needs to replace the needle blocks of the corresponding specifications to meet the requirements of multi-specification production, without the need to purchase a brand new dispensing equipment, thereby improving the applicability of the equipment, increasing production efficiency, and reducing production costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the dam dispensing valve block according to an embodiment of the present invention;

[0018] Figure 2 This is a bottom view of a dam-sealing adhesive valve block according to an embodiment of the present invention;

[0019] Figure 3 This is a front view of a dam dispensing valve block according to an embodiment of the present invention;

[0020] Figure 4 This is a cross-sectional view of a dam-sealing adhesive valve block according to an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the base of the dam dispensing valve block according to an embodiment of the present invention;

[0022] Figure 6 This is another view of the base of the dam-sealing adhesive valve block according to an embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of the needle block of the dam dispensing valve block according to an embodiment of the present invention;

[0024] in:

[0025] 100. Base; 110. Mounting hole;

[0026] 200. Needle block; 210. Mounting post;

[0027] 300. Injection hole;

[0028] 400, dispensing hole;

[0029] 500, positioning groove;

[0030] 600, Shaping groove;

[0031] 700, dispensing channel;

[0032] 800. Conical part;

[0033] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0034] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0035] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly and specifically defined.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0038] Reference Figures 1 to 7 The present invention relates to a dam dispensing valve block, comprising a base 100 and a plurality of needle blocks 200, wherein the plurality of needle blocks 200 are arranged and distributed along the extension direction of the base 100, the top of the base 100 is provided with an injection hole 300, and the needle blocks 200 are provided with dispensing holes 400, wherein the injection hole 300 and the dispensing hole 400 are connected to form a dispensing channel 700;

[0039] The needle block 200 is detachably connected to the base 100.

[0040] The design of the dispensing needle block in this embodiment includes a base 100 and multiple needle blocks 200. The multiple needle blocks 200 are arranged in an array along the length of the base 100, and the multiple needle blocks 200 are detachably installed on the base 100. In actual operation, when dealing with different specifications and models of light strips, only the needle blocks 200 need to be replaced, without replacing the entire dispensing needle block. Through the detachable connection design, the needle blocks 200 can be replaced, improving production efficiency and the adaptability of the production line, and reducing production costs.

[0041] The needle block 200 is provided with a mounting post 210, and the base 100 is provided with a mounting hole 110, and the mounting post 210 is inserted into the mounting hole 110;

[0042] The glue injection hole 300 corresponds to the glue outlet hole 400, and the glue outlet channel 700 is a vertical channel;

[0043] The bottom end of the needle block 200 is conical;

[0044] Based on the above embodiment, the base 100 has a mounting hole 110 at its bottom, and the needle block 200 has a mounting part on the side near the base 100. The two work together to achieve a detachable connection between the needle block 200 and the base 100. Specifically, the mounting post 210 is a hollow cylinder, and the mounting post 210 is bonded to the mounting hole 110 with adhesive. The glue injection hole 300 of the base 100 and the glue outlet hole 400 of the needle block 200 are connected to form a glue dispensing channel 700. In this embodiment, the glue outlet hole and the glue injection hole are in a one-to-one correspondence, forming a vertical glue dispensing channel. The bottom end of the needle block is conical, meaning the end of the glue dispensing channel 700 at one end of the needle block 200 is conical, forming a conical portion 800. A through hole is opened on the inner circumference of the 00 to allow glue to flow out. In actual operation, when applying glue to both sides of the LED chips of different specifications of COB light strips to form a dam, the operator can separate the needle block 200 from the base 100 by tapping to replace it with another type of needle block 200. In this embodiment, when the operator needs to replace the needle block 200, an iron rod is inserted into the glue dispensing channel 700, with one end of the iron rod abutting against the inner wall of the conical part 800 and the contact position located below the through hole in the inner wall of the conical part 800, ensuring that the iron rod avoids the through hole. This design not only avoids damage to the through hole, but also allows the needle block 200 to be separated from the base 100 by tapping the iron rod, making it convenient and quick to replace the needle block 200.

[0045] Based on the above embodiments, a set of adhesive outlet holes 400 corresponds to two adhesive outlet holes 400, and the two adhesive outlet holes 400 are symmetrically arranged on both sides of the central axis at the bottom end of the needle block 200.

[0046] The through hole in the above embodiment is the glue outlet hole 400 of this embodiment. A set of glue outlet holes corresponds to two glue outlet holes 400. The two glue outlet holes 400 are located on both sides of the central axis of the conical part. With this design, when the operator separates the needle block from the base with the iron rod, it will not cause damage to the glue outlet hole. Furthermore, it will not affect the glue outlet hole to perform glue dispensing work on the light strip. In addition, the two glue outlet holes 400 are located on both sides of the LED chip of the COB light strip, which are used to form a dam for glue dispensing, providing a foundation for subsequent fluorescent glue dispensing to cover the light-emitting chip.

[0047] The base 100 has a positioning groove 500 at its bottom end. The needle block 200 is connected to the base 100. The side wall of the needle block 200 abuts against the inner wall of the positioning groove 500. The positioning groove 500 is used for positioning and installing the needle block 200.

[0048] In another embodiment, a positioning groove 500 is provided at the bottom end of the base 100 along the extending direction. The purpose of this design is to position and install the needle block 200 so that the installation of multiple sets of needle blocks 200 are all located on the same horizontal line. Specifically, when the hollow cylindrical mounting post 210 is aligned and fixed with the mounting hole 110 on the base 100, since both the mounting post 210 and the mounting hole 110 are cylindrical through holes, and adhesive is applied to both sides of the COB light strip to form a dam, the chips of the light strip are neatly arranged, that is, the dam formed by adhesive application is a uniform straight line. Therefore, the positioning groove 500 is provided so that the needle block 200 can be installed accurately during installation, avoiding installation offset or skewing caused by errors, reducing the difficulty of operation, improving work efficiency, and providing a foundation for adhesive dam application and subsequent adhesive covering of light-emitting chips.

[0049] A molding groove 600 is provided at the glue outlet 400 for the dam to pass through.

[0050] In this embodiment, the dam dispensing valve block is installed on the corresponding needle block. Each needle block 200 corresponds to one LED strip on the production line. In actual operation, the dam dispensing valve block moves relative to the production line. The needle block continuously supplies glue through the glue injection hole 300 of the needle block 200. The glue flows out from both ends of the light-emitting chip through the glue outlet hole 400, forming a dam. The molding groove 600 designed at the glue outlet hole 400 works in conjunction with the curing lamp to effectively assist in the formation of the dam. The dam dispensing valve block of this embodiment includes multiple needle blocks 200, which can perform dispensing and damming operations on multiple LED strips at the same time, greatly improving production efficiency.

[0051] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the content of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A dam pen valve block, characterized by, It includes a base (100) and a plurality of needle blocks (200), the plurality of needle blocks (200) are arranged and distributed along the extension direction of the base (100), the top of the base (100) is provided with a glue injection hole (300), the needle blocks (200) are provided with glue outlet holes (400), and the glue injection hole (300) and the glue outlet hole (400) are connected to form a glue dispensing channel (700); The needle block (200) is detachably connected to the base (100).

2. The dam-sealing adhesive valve block according to claim 1, characterized in that, The needle block (200) is provided with a mounting post (210), and the base (100) is provided with a mounting hole (110). The mounting post (210) is inserted into the mounting hole (110).

3. The dam pen valve block of claim 1, wherein, The base (100) has a positioning groove (500) at its bottom end. The needle block (200) is connected to the base (100). The side wall of the needle block (200) abuts against the inner wall of the positioning groove (500). The positioning groove (500) is used for positioning and installing the needle block (200).

4. The dam pen valve block of claim 1, wherein, The glue injection hole (300) corresponds one-to-one with the glue outlet hole (400), and the glue dispensing channel (700) is a vertical channel.

5. The dam and dispense valve block of claim 4, wherein, The bottom of the needle block (200) is conical.

6. The dam pen valve block of claim 5, wherein, The number of glue outlet holes (400) corresponding to a set of glue outlet holes (400) is two, and the two glue outlet holes (400) are symmetrically arranged on both sides of the central axis at the bottom end of the needle block (200).

7. The dam barrier valve block of claim 6, wherein, A molding groove (600) is provided at the glue outlet (400) for the dam to pass through.

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