CN214176021U

CN214176021U - High-density TOP structure LED frame and cutting wheel

Info

Publication number: CN214176021U
Application number: CN202022955722.6U
Authority: CN
Inventors: 付桂花; 马洪毅
Original assignee: Shanxi Gaoke Huaxing Electronic Technology Co ltd
Current assignee: Shanxi Gaoke Huaxing Electronic Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-09-10
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a high-density TOP structure LED frame and a cutting wheel, relating to the technical field of LED processing; the LED support structure comprises an LED metal frame, wherein a plurality of metal support functional areas in arrays are formed on the LED metal frame in a punching mode, a plurality of LED supports are formed on the metal support functional areas in an injection molding mode, two adjacent rows of LED supports are connected through metal support bars in a supporting mode, and two adjacent rows of LED supports are connected through injection-molded plastic supports; the plastic support body is suspended in the functional area of the metal support; the cutting wheel for the LED bracket comprises a cutting knife wheel body, wherein a plurality of cutting blades corresponding to the plastic support body are arranged on the cutting knife wheel body, and extrusion elastic sheets are arranged on two sides of each cutting blade; through the utility model discloses, can improve the range density of LED frame, stop the extrusion dislocation that the tradition was shelled the material and shell the incomplete problem of LED support body plastic that the material mode leads to.

Description

High-density TOP structure LED frame and cutting wheel

Technical Field

The utility model relates to a LED processing technology field specifically is a high density TOP structure LED frame and cutting wheel.

Background

As shown in fig. 1-4, the conventional TOP LED support is formed by supporting all rows and columns of the periphery of each LED support body with metal frame support bars, such as the transverse metal support bar 06 and the longitudinal metal support bar 07 in fig. 1; when single LED is stripped after the LED is packaged, the transverse metal support bar 06 is extruded by the staggered upper and lower knife wheels to form staggered deformation, and the staggered deformation is changed from plane processing into side-to-side separation, so that the metal support bar is separated from the plastic body to be stripped to form a single LED. Due to the limitation of a staggered extrusion material stripping mode, the periphery of each LED support body needs to be supported by a metal frame, the metal frame needs a certain width size, the minimum width size can not be less than 0.6mm, and otherwise, the peeling is difficult or unsmooth due to the problem of the positioning accuracy of the cutter wheel.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art and provides a high-density TOP structure LED frame and a cutting wheel, so as to improve the arrangement density of the LED frame and improve the packaging efficiency; solve the incomplete problem of LED support body plastic that traditional extrusion dislocation shell the material mode and lead to simultaneously.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

A high-density TOP structure LED frame comprises an LED metal frame, wherein a plurality of metal support functional areas in arrays are formed on the LED metal frame in a punching mode, a plurality of LED supports are formed on the metal support functional areas in an injection molding mode, two adjacent lines of LED supports are connected through metal support bars in a supporting mode, and two adjacent lines of LED supports are connected through plastic supports in an injection molding mode; the plastic support body is suspended in the metal support functional area.

Furthermore, adjacent pins of two adjacent rows of LED supports are connected.

Furthermore, positioning holes are formed in the middle and two edge portions of the LED metal frame.

Furthermore, the height of the plastic support body suspended in the metal support functional area is larger than 0.05 mm.

The utility model provides a be used for LED frame's cutting wheel, includes cutting break bar body, be provided with a plurality of cutting blades corresponding with the plastic supporter on the cutting break bar body, cutting blade's both sides are provided with the extrusion shell fragment, be provided with the protruding cylinder corresponding with the locating hole on the cutting break bar body.

Furthermore, the head of the protruding cylinder is provided with a chamfer angle.

Further, the cutting knife flywheel body and the cutting blade adopt a gear transmission principle, and the rotating speed of the cutting blade is 5-20 times of that of the cutting knife flywheel body.

The utility model discloses produced beneficial effect for prior art does:

through the utility model discloses, can improve the range density of LED frame, especially in the aspect of the super small LED encapsulation that shows the application, because horizontal supporter is in large quantity, metal frame area ratio is big, can greatly promote the range density of LED support after saving horizontal supporter to greatly promote encapsulation efficiency, reduce LED encapsulation cost. The plastic defect problem of the LED support body caused by the traditional extruding dislocation stripping mode of stripping materials can be avoided, and the failure risk caused by stress on the LED support body is reduced.

Drawings

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the following drawings are combined for illustration:

fig. 1 is a schematic structural diagram of a conventional TOP-structured LED support metal material.

Fig. 2 is a schematic structural diagram of a conventional metal material injection molded semi-finished product.

Fig. 3 is a schematic structural diagram of the packaged whole LED with frame in fig. 2.

Fig. 4 is a structural diagram of a metal frame after stripping of the LED package product in fig. 3.

Fig. 5 is a schematic structural diagram of the metal part of the TOP structure LED frame of the present invention.

Fig. 6 is a schematic structural view of the metal material injection molded semi-finished product of the present invention.

Fig. 7 is the utility model discloses whole piece LED support structure sketch map after LED support pin cuts off the package foot of bending.

Fig. 8 is an enlarged schematic view of the plastic support of the present invention.

Fig. 9 is a schematic diagram of the whole finished product after the LED frame is packaged.

Fig. 10 is a metal frame structure diagram after the LED package product is stripped.

Fig. 11 is a schematic structural view of the cutting wheel of the present invention.

In the figure, 02-a lower edge positioning hole, 03-a middle positioning hole, 04-an upper edge positioning hole, 05-a metal functional area, 06-a transverse metal support strip, 07-a longitudinal metal support strip, 08-an injection molding LED support body, 09-an LED packaging finished product, 10-an empty frame after LED stripping, 11-an LED frame metal part, 16-a plastic support body and 21-a suspension distance;

30-cutting knife flywheel body, 31-cutting blade, 32-convex cylinder and 35-extrusion elastic sheet.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

As shown in fig. 5-7, the TOP-structured high-density LED support comprises a metal sheet, an LED frame metal part 11 is formed on the metal sheet by stamping or etching, a plurality of metal functional regions 05 arranged in a matrix are formed on the LED frame metal part 11 by stamping or etching, a row of LED supports are formed by injection molding in each metal functional region 05, two adjacent rows of LED supports are connected by a longitudinal metal support strip 07, four injection-molded LED support bodies 08 are arranged in each row of LED supports, and two adjacent injection-molded LED support bodies 08 are connected by a plastic support 16; the utility model discloses a LED frame metal part 11 removes the horizontal metal support bar 06 on the traditional TOP structure LED frame metal part, replaces into plastic supporter 16, as shown in FIG. 8, and each LED support body 08 of moulding plastics transversely supports and adopts the plastic supporter 16 of link one shot forming of moulding plastics to support each other, and plastic supporter 16 is greater than 0.05mm apart from metal function district 05 surperficial unsettled distance 21 at least.

After the support is packaged, the LED packaged finished product 09 is peeled off by using a special cutting and stripping manner (see fig. 9 and 10). The cutting device adopted by the material stripping mode has a specially designed cutting wheel, as shown in fig. 11, the cutting wheel comprises a cutting knife wheel body 30, a plurality of groups of cutting blades 31 corresponding to the plastic support body 16 are arranged on the cutting knife wheel body 30, extrusion elastic sheets 35 are arranged on two sides of each cutting blade 31, and protruding cylinders 32 corresponding to the lower edge positioning holes 02, the middle positioning holes 03 and the upper edge positioning holes 04 are arranged on the cutting knife wheel body 30.

The head of the raised cylinder 32 is chamfered to facilitate rapid introduction into the bracket positioning hole. When the cutter wheel rotates, the cutting cutter wheel body 30 drives the convex column 32 to match with the corresponding positioning hole of the bracket during cutting and stripping, and the bracket is driven to move forward. Meanwhile, by using the principle that clocks are coaxial and different in speed, the rotating speed of the cutting blade 31 of the cutting knife flywheel is about 5-20 times of that of the knife flywheel body, and the rotating speed of the cutting blade can be adjusted by replacing and adjusting the internal gear, so that a proper cutting effect is achieved. When the flywheel rotates, the support is driven to advance according to a stable position, the plastic support body 16 at the bottom of each LED packaging finished product 09 is cut and separated by the cutting blade rotating at a high speed, the hanging distance 21 between the plastic support body 16 and the surface of the metal functional area 05 can ensure that the blade cannot cut the metal part of the LED frame, each LED packaging finished product 09 is hung and peeled off, and the longitudinal metal support strip 07 is cut and bent when the support wraps the foot. For the large transverse rib close to the positioning hole of the LED frame metal part 11, the LED packaging finished product 09 of each row is clamped on the large transverse rib at one side, the other side of the LED packaging finished product is cut off, and the LED packaging finished product 09 close to the large transverse rib is extruded and peeled off by arranging the extrusion elastic sheet 35 after cutting. The cut and peeled product is shown in fig. 10, and the cut of the plastic support 16 remained after cutting does not affect the use of the product. Plastic scraps are easy to generate after cutting, and the scraps are thoroughly separated from the LED finished product in a screen mesh and vacuum mode.

Through the utility model discloses, can improve the range density of LED frame, especially in the aspect of the super small LED encapsulation that shows the application, because horizontal supporter is in large quantity, area ratio is big, can greatly promote encapsulation efficiency after saving horizontal supporter, reduces LED encapsulation cost. The plastic defect problem of the LED support body caused by the traditional extruding dislocation stripping mode of stripping materials can be avoided, and the failure risk caused by stress on the LED support body is reduced.

The above description is provided for the purpose of describing the present invention in detail with reference to the preferred embodiments, and it should not be understood that the present invention is limited to the detailed embodiments, and those skilled in the art can make several simple deductions or substitutions without departing from the scope of the present invention.

Claims

1. A high-density TOP structure LED frame is characterized by comprising an LED metal frame, wherein a plurality of arrays of metal support functional areas are formed on the LED metal frame in a punching mode, a plurality of LED supports are formed on the metal support functional areas in an injection molding mode, two adjacent rows of LED supports are connected through metal support bars in a supporting mode, and two adjacent rows of LED supports are connected through injection-molded plastic supports; the plastic support body is suspended in the metal support functional area.

2. The high-density TOP structure LED frame of claim 1 wherein adjacent legs of two adjacent rows of LED supports are connected.

3. The high-density TOP structure LED frame as claimed in claim 1, wherein the LED metal frame has positioning holes on the middle and two edge portions.

4. The LED frame as claimed in claim 1, wherein the height of the plastic support suspended from the metal frame functional region is greater than 0.05 mm.

5. The cutting wheel for the LED frame according to claim 3, comprising a cutting wheel body, wherein the cutting wheel body is provided with a plurality of cutting blades corresponding to the plastic support body, two sides of each cutting blade are provided with extrusion elastic sheets, and the cutting wheel body is provided with raised cylinders corresponding to the positioning holes.

6. The cutoff wheel for LED frame according to claim 5, wherein the head of the raised cylinder is provided with a chamfer.

7. The cutting wheel for the LED frame as claimed in claim 5, wherein the cutting wheel body and the cutting blade adopt a gear transmission principle, and the rotation speed of the cutting blade is 5-20 times that of the cutting wheel body.