CN216152992U

CN216152992U - LED lamp strip extrusion moulding equipment

Info

Publication number: CN216152992U
Application number: CN202121518521.8U
Authority: CN
Inventors: 朱保科; 曾纪亮
Original assignee: Shenzhen Roll To Roll Photoelectric Technology Co ltd
Current assignee: Shenzhen Roll To Roll Photoelectric Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-04-01
Anticipated expiration: 2031-07-05

Abstract

The utility model relates to the technical field of LED (light emitting diode) lamp strips, in particular to LED lamp strip extrusion molding equipment. An LED lamp strip extrusion molding device comprises a base, an extrusion screw, a host and a die head, wherein the extrusion screw and the host are arranged on the base, one end of the extrusion screw is connected with the host, the other end of the extrusion screw is connected with the die head, and a silica gel input port is arranged on the extrusion screw; the die head one end be equipped with the feed inlet, the other end of die head is equipped with the discharge gate, the die head be close to discharge gate department and be equipped with external mold and centre form, external mold and centre form reciprocal anchorage and intercommunication. The utility model can greatly improve the production efficiency of the LED lamp strip, the matching of the die is compact, and the effect of covering the silica gel on the LED chip is very good. The LED light bar extrusion molding equipment is simple and convenient to operate, can realize continuous batch production through the matching of specific structures, reduces the cost and greatly improves the production efficiency of the LED light bar.

Description

LED lamp strip extrusion moulding equipment

Technical Field

The utility model relates to the technical field of LED (light emitting diode) lamp strips, in particular to LED lamp strip extrusion molding equipment.

Background

An LED is an abbreviation of Light Emitting Diode (LED), and its basic structure is a piece of electroluminescent semiconductor material. The LED lamp strip is also called as an LED soft lamp strip, an LED flexible lamp strip and an LED soft light strip. The LED light bar is a product in which LEDs are mounted on a band-shaped FPC (flexible printed circuit) or PCB (printed circuit board) and is named as a band. Because of long service life (generally, the normal service life is 8-10 ten thousand hours), green and environmental protection, the method gradually exposes the corners in various decoration industries.

The existing lamp strips are all made by glue dripping technology, are all in a natural leveling mode, are irregular, emit light unevenly, are all single and separated, are poor in color consistency, cannot form flow process, and are low in efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems at least to a certain extent, and provides the LED light bar extrusion molding equipment which greatly improves the production efficiency of the LED light bar, is compact in matching of a mold, and has a good effect of covering the LED chip with silica gel.

The technical scheme of the utility model is as follows: an LED lamp strip extrusion molding device comprises a base, an extrusion screw, a host and a die head, wherein the extrusion screw and the host are arranged on the base, one end of the extrusion screw is connected with the host, the other end of the extrusion screw is connected with the die head, and a silica gel input port is arranged on the extrusion screw;

the die head one end be equipped with the feed inlet, the other end of die head is equipped with the discharge gate, the die head be close to discharge gate department and be equipped with external mold and centre form, external mold and centre form reciprocal anchorage and intercommunication.

Furthermore, the outer die comprises an outer die opening, the discharge port is connected to the other end face of the outer die, which is opposite to the outer die opening, and the outer die opening is communicated with the discharge port.

Further, the external mold opening including be used for pouring into silica gel access port and external mold connecting portion, silica gel access port locate external mold connecting portion top, external mold connecting portion and centre form reciprocal anchorage and intercommunication.

Further, the centre form include the centre form main part, locate centre form main part one side centre form insert, the terminal surface department of centre form main part be equipped with the centre form feed inlet, the terminal surface department of centre form insert is equipped with the centre form discharge gate, the centre form insert peg graft in external mold connecting portion and rather than fixed, centre form feed inlet and centre form discharge gate between communicate.

Further, the outer contour dimension of the inner mold main body is larger than that of the inner mold inserting part.

Furthermore, the inner die feed inlet is a single-channel feed inlet or a double-channel feed inlet.

Furthermore, a clamp is arranged at the discharge port end of the die head, and the outer die and the inner die are fixed with the die head through the clamp.

Furthermore, the base is further provided with a connecting plate, and the die head is fixed and communicated with the extrusion screw through the connecting plate.

Furthermore, the axial line of the extension direction of the extrusion screw is perpendicular to the axial line of the extension direction of the die head.

Compared with the prior art, the beneficial effects are: the utility model can greatly improve the production efficiency of the LED lamp strip, the matching of the die is compact, and the effect of covering the silica gel on the LED chip is very good. The LED light bar extrusion molding equipment is simple and convenient to operate, can realize continuous batch production through the matching of specific structures, reduces the cost and greatly improves the production efficiency of the LED light bar.

Drawings

Fig. 1 is a schematic overall front view of the present invention.

Fig. 2 is an overall perspective view of the present invention.

Fig. 3 is a schematic perspective view of the inventive outer mold.

Figure 4 is a side view of the inner mold of the present invention.

Fig. 5 is a schematic view of the combination of the inner mold and the outer mold of the present invention.

Fig. 6 is a schematic view of the inner mold and the outer mold of the present invention in a state of use after being combined.

Fig. 7 is a schematic diagram of the inventive inner mold in a single channel.

FIG. 8 is a schematic diagram of the internal mold of the present invention with two channels.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

As shown in fig. 1-5, an LED light bar extrusion molding apparatus includes a base 3, an extrusion screw 4, a host 5, and a die head 6, wherein the extrusion screw 4 and the host 5 are disposed on the base 3, one end of the extrusion screw 4 is connected to the host 5, the other end of the extrusion screw 4 is connected to the die head 6, and the extrusion screw 4 is provided with a silica gel input port 41;

a feeding hole 61 is formed in one end of the die head 6, a discharging hole 62 is formed in the other end of the die head 6, an outer die 1 and an inner die 2 are arranged at the position, close to the discharging hole 62, of the die head 6, and the outer die 1 and the inner die 2 are fixed and communicated with each other.

In this embodiment, the base 3 plays a role of supporting, and can effectively support the extrusion screw 4 and the main frame 5. Silica gel raw materials are input into the extrusion screw 4 from the silica gel input port 41, and a driving and extruding part is arranged in the main machine 5, so that the silica gel can be extruded to one end of the extrusion screw 4, which is connected with the die head 6, from one end of the extrusion screw 4, which is close to the main machine 5.

Further, the LED chip is input into the feed inlet 61, and is transmitted along the interior of the die head 6, and when the LED chip reaches the position where the outer die 1 and the inner die 2 are fixed and communicated with each other, through the mutual matching action of the outer die 1 and the inner die 2, the silica gel is attached to the LED chip and then is output from the discharge outlet 62. That is, the LED light bar with silica gel attached to the LED chip is outputted from the discharging hole 62, and the transmission process of the present invention is shown by the arrow in fig. 1.

Further, the outer die 1 comprises an outer die opening 11, the discharge port 62 is connected to the other end surface of the outer die 1 opposite to the outer die opening 11, and the outer die opening 11 is communicated with the discharge port 62. In the present embodiment, the outer mold 1 has a plate-shaped structure, the outer mold opening 11 is communicated with the discharge port 62, and the outer mold opening 11 is located at the geometric center of the outer mold 1.

Further, the outer mold opening 11 includes a silica gel inlet 111 for filling silica gel and an outer mold connecting portion 112, the silica gel inlet 111 is disposed above the outer mold connecting portion 112, and the outer mold connecting portion 112 and the inner mold 2 are fixed to each other and communicated with each other.

In this embodiment, the outer mold connecting portion 112 and the inner mold 2 are fixed to each other and communicated, the LED chip input from the inner mold 2 is conveyed to the outer mold connecting portion 112, the silica gel is filled into the silica gel inlet 111 under the action of extrusion, and the LED light bar with silica gel attached to the LED chip is output from the discharge port 62.

Specifically, the inner mold 2 includes an inner mold main body 21 and an inner mold inserting portion 22 disposed on one side of the inner mold main body 21, an inner mold feeding port 23 is disposed at an end face of the inner mold main body 21, an inner mold discharging port 24 is disposed at an end face of the inner mold inserting portion 22, the inner mold inserting portion 22 is inserted into the outer mold connecting portion 112 and fixed thereto, and the inner mold feeding port 23 is communicated with the inner mold discharging port 24.

In this embodiment, the inner mold insertion portion 22 and the outer mold connection portion 112 are matched in shape and size, and can be firmly inserted and fixed together during assembly, so that the mold is compact in matching, and the silica gel has a good effect of covering the LED chip.

Further, as shown in fig. 4 to 5, the outer dimension of the inner mold body 21 is larger than the outer dimension of the inner mold insert 22. Because the outer die 1 and the inner die 2 are mutually fixed and communicated in the process of extrusion molding of the LED lamp strip, the outer contour size of the inner die main body 21 is larger, and the outer contour size of the inner die inserting part 22 is smaller, so that the silica gel can be poured into the silica gel inlet 111 along the area between the inner die main body 21 and the inner die inserting part 22, the silica gel flow is smoother, and the production efficiency is improved.

Further, the inner mold feed port 23 is a single-channel feed port or a double-channel feed port. Fig. 7 shows the inner die 2 with a single-channel feed port, and fig. 8 shows the inner die 2 with a double-channel feed port. Correspondingly, the inner mold outlet 24, the outer mold connecting part 112 and the outlet 62 are also correspondingly arranged to be a single channel or a double channel.

Specifically, the inner die 2 and the outer die 1 of the LED lamp strip extrusion molding equipment are arranged into a single channel or double channels, and the requirement of the actual LED lamp strip can be determined, and of course, the die can also be arranged into other channels except the single channel or the double channels.

Further, as shown in fig. 1-4, a clamp 8 is further disposed at the end of the discharge port 62 of the die head 6, and the outer die 1 and the inner die 2 are fixed to the die head 6 through the clamp 8. In this embodiment, the external mold 1 and the internal mold 2 are fixed by the fixture 8, and when the external mold 1 and the internal mold 2 need to be replaced, the external mold 1 and the internal mold 2 can be detached from the mold head 6 through the fixture 8, so that the external mold 1 and the internal mold 2 can be replaced and installed more quickly and conveniently, and the time for replacing the mold is saved.

Further, a connecting plate 7 is further arranged on the base 3, and the die head 6 is fixed and communicated with the extrusion screw 4 through the connecting plate 7. The connecting plate 7 is arranged, so that the die head 6 can be installed and disassembled.

Furthermore, the axis of the extending direction of the extrusion screw rod 4 is perpendicular to the axis of the extending direction of the die head 6, so that the arrangement meets the production requirement.

The working principle of the embodiment is as follows: as shown in fig. 1 and 2, the LED chip is fed into the feed port 61 and transported along the inside of the die head 6 when the LED chip reaches a position where the outer die 1 and the inner die 2 are fixed and communicated with each other. As shown in fig. 6, the arrow indicates the transmission direction of the LED chip, which enters the inner mold 2 from the inner mold feeding hole 23, passes through the inner mold main body 21 and the inner mold insertion portion 22, when the LED chip is conveyed to the inner mold discharging hole 24 and the outer mold connection portion 112, the silica gel is filled into the silica gel inlet 111 under the action of extrusion, and then the LED light bar with silica gel attached to the LED chip is output from the discharging hole 62. The output from the outlet 62 is an LED light bar with silica gel already attached to the LED chip.

The utility model can greatly improve the production efficiency of the LED lamp strip, the matching of the die is compact, and the effect of covering the silica gel on the LED chip is very good. The LED light bar extrusion molding equipment is simple and convenient to operate, can realize continuous batch production through the matching of specific structures, reduces the cost and greatly improves the production efficiency of the LED light bar.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The LED lamp strip extrusion molding equipment is characterized by comprising a base (3), an extrusion screw (4), a host (5) and a mold head (6), wherein the extrusion screw (4) and the host (5) are arranged on the base (3), one end of the extrusion screw (4) is connected with the host (5), the other end of the extrusion screw (4) is connected with the mold head (6), and a silica gel input port (41) is formed in the extrusion screw (4);

die head (6) one end be equipped with feed inlet (61), the other end of die head (6) is equipped with discharge gate (62), die head (6) be close to discharge gate (62) department and be equipped with external mold (1) and centre form (2), external mold (1) and centre form (2) reciprocal anchorage and intercommunication.

2. The LED light bar extrusion molding device of claim 1, wherein: the outer die (1) comprises an outer die opening (11), the discharge port (62) is connected to the other end face, opposite to the outer die opening (11), of the outer die (1), and the outer die opening (11) is communicated with the discharge port (62).

3. The LED light bar extrusion molding device of claim 2, wherein: outer mould opening (11) including silica gel access port (111) and outer mould connecting portion (112) that are used for pouring into silica gel, silica gel access port (111) locate outer mould connecting portion (112) top, outer mould connecting portion (112) and centre form (2) reciprocal anchorage and intercommunication.

4. The LED light bar extrusion molding device of claim 3, wherein: the centre form (2) include centre form main part (21), locate centre form inserted part (22) of centre form main part (21) one side, the terminal surface department of centre form main part (21) be equipped with centre form feed inlet (23), the terminal surface department of centre form inserted part (22) is equipped with centre form discharge gate (24), centre form inserted part (22) peg graft in external mold connecting portion (112) and rather than fixed, centre form feed inlet (23) and centre form discharge gate (24) between communicate.

5. The LED light bar extrusion molding device of claim 4, wherein: the outer contour dimension of the inner mold main body (21) is larger than that of the inner mold inserting part (22).

6. The LED light bar extrusion molding device of claim 4, wherein: the inner die feed port (23) is a single-channel feed port or a double-channel feed port.

7. The LED light bar extrusion molding device of claim 4, wherein: the die is characterized in that a clamp (8) is further arranged at the end of the discharge hole (62) of the die head (6), and the outer die (1) and the inner die (2) are fixed with the die head (6) through the clamp (8).

8. The LED light bar extrusion molding equipment of any one of claims 1 to 7, wherein: the base (3) is further provided with a connecting plate (7), and the die head (6) is fixed and communicated with the extrusion screw (4) through the connecting plate (7).

9. The LED light bar extrusion molding equipment of any one of claims 1 to 7, wherein: the axial line of the extension direction of the extrusion screw (4) is vertical to the axial line of the extension direction of the die head (6).