CN209985601U - Lengthened nozzle - Google Patents

Abstract

An object of the utility model is to overcome prior art not enough, provide an aperture is little, long extension nozzle of nozzle tube body. The nozzle comprises a base, a connecting pipe, a spray head and a flow guide pipe; the base, the connecting pipe and the spray heads are sequentially connected from bottom to top; the nozzle body is formed by sequentially connecting the base, the connecting pipe and the spray head from bottom to top; the base, the connecting pipe, the spray head and the flow guide pipe are coaxial; the distance from the bottom end to the top end of a nozzle body formed by sequentially connecting the base, the connecting pipe and the spray head from bottom to top is 8.5 cm; the beneficial effects of the utility model reside in that, make the nozzle more accurate with the point is glued in the removal between components and parts.

Description

Lengthened nozzle

Technical Field

The utility model belongs to the semiconductor package field especially relates to an extension nozzle.

Background

The glue dispenser is mainly used for accurately dripping glue, paint and other liquid in a product process to each accurate position of a product. The dispenser is a common production machine in the field of semiconductor packaging. The nozzle is an indispensable accessory of the glue dispenser, and when the glue dispenser works, the firing pins frequently impact the nozzle to spray glue at intervals of tens of milliseconds, but the space between components is very small, so that the high-precision glue dispensing of the nozzle is needed. In the prior art, a common dispensing machine nozzle is large in diameter, and inaccurate dispensing is easily caused.

The published Chinese utility model patent has the publication number: CN202028488U, patent name: a combined nozzle of a high-speed jet dispenser is disclosed as follows: 20110304, it discloses a high-speed combined nozzle of a jet dispenser, which belongs to the field of semiconductor packaging, wherein a conical inner cavity is arranged inside the nozzle, a front end hole is arranged at the front end of the nozzle, and the front end hole is communicated with the conical inner cavity. The nozzle of the utility model is made of hard alloy, which has the advantages of wear resistance, high precision, good stability and long service life; the front end of the nozzle adopts a conical structure, so that the blockage phenomenon can be effectively prevented, and the cleaning is more convenient; the utility model discloses front end hole precision finishing forms, guarantees the precision and the smooth finish of internal diameter, and the front end hole size can be selected as required.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a bore is little, the long point gum machine nozzle of nozzle tube body.

The utility model provides an extended nozzle, which comprises a base 1, a connecting pipe 2, a spray head 3 and a flow guide pipe 4;

the base 1, the connecting pipe 2 and the spray head 3 are sequentially connected from bottom to top; the guide pipe 4 is arranged in a nozzle body formed by sequentially connecting the base 1, the connecting pipe 2 and the spray head 3 from bottom to top; the base 1, the connecting pipe 2, the spray head 3 and the flow guide pipe 4 are coaxial;

the distance from the bottom end to the top end of the nozzle body formed by sequentially connecting the base 1, the connecting pipe 2 and the spray head 3 from bottom to top is 8.5 cm.

In this embodiment, preferably, a fixed connection position between the connection pipe 2 and the ground belt 1 is provided with a chamfer.

In this embodiment, preferably, the outer surface of the nozzle 3 is a conical surface; the included angle of the spray head 3 is 20 degrees.

In this embodiment, the draft tube 4 is further provided with an outlet 41 and an inlet 42; the connection between the introduction port 42 and the discharge port 41 is further provided with a tapered portion that fits the head 3.

In this embodiment, the diameters of the leading-out port 41 from the front end to the rear end are preferably the same.

In this embodiment, the diameters of the leading-in ports 42 are preferably the same from the front end to the rear end.

In this embodiment, preferably, the base 1 is a wedge-shaped circular truncated cone.

The beneficial effects of the utility model reside in that, make the nozzle more accurate with the point is glued in the removal between components and parts.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a bottom schematic view of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a base; 2. a connecting pipe; 3. a spray head; 4. a flow guide pipe; 41. a lead-out port; 42. an inlet.

Detailed Description

The present invention will now be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way.

The utility model provides an extended nozzle, which comprises a base 1, a connecting pipe 2, a spray head 3 and a flow guide pipe 4;

the base 1, the connecting pipe 2 and the spray head 3 are sequentially connected from bottom to top; the guide pipe 4 is arranged in a nozzle body formed by sequentially connecting the base 1, the connecting pipe 2 and the spray head 3 from bottom to top; the base 1, the connecting pipe 2, the spray head 3 and the flow guide pipe 4 are coaxial;

the distance from the bottom end to the top end of the nozzle body formed by sequentially connecting the base 1, the connecting pipe 2 and the spray head 3 from bottom to top is 8.5 cm.

In this embodiment, preferably, a fixed connection position between the connection pipe 2 and the ground belt 1 is provided with a chamfer.

In this embodiment, preferably, the outer surface of the nozzle 3 is a conical surface; the included angle of the spray head 3 is 20 degrees.

In this embodiment, the draft tube 4 is further provided with an outlet 41 and an inlet 42; the connection between the introduction port 42 and the discharge port 41 is further provided with a tapered portion that fits the head 3.

In this embodiment, the diameters of the leading-out port 41 from the front end to the rear end are preferably the same.

In this embodiment, the diameters of the leading-in ports 42 are preferably the same from the front end to the rear end.

In this embodiment, preferably, the base 1 is a wedge-shaped circular truncated cone.

The diameter of the outlet 41 is 0.2cm, the diameter of the inlet 42 is 0.6cm, and the diameter of the bottom surface of the base is 7 cm; the utility model discloses a material is the stainless steel, when having guaranteed the superfine mouth of gluing, has guaranteed the hardness and the quality of extension nozzle.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. 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 (5)

1. A lengthened nozzle comprises a base (1), a connecting pipe (2), a spray head (3) and a guide pipe (4);

it is characterized in that the preparation method is characterized in that,

the base (1), the connecting pipe (2) and the spray head (3) are sequentially connected from bottom to top; the guide pipe (4) is arranged in a nozzle body formed by sequentially connecting the base (1), the connecting pipe (2) and the spray heads (3) from bottom to top; the base (1), the connecting pipe (2), the spray head (3) and the flow guide pipe (4) are coaxial;

the distance from the bottom end to the top end of a nozzle body formed by sequentially connecting the base (1), the connecting pipe (2) and the spray head (3) from bottom to top is 8.5 cm;

the outer surface of the nozzle (3) is a conical surface; the included angle of the spray head (3) is 20 degrees;

the guide pipe (4) is also provided with an outlet (41) and an inlet (42); the connection part of the lead-in opening (42) and the lead-out opening (41) is also provided with a conical part matched with the spray head (3).

2. The extension nozzle according to claim 1, characterized in that the fixed connection of the connection tube (2) to the base (1) is provided with a chamfer.

3. The elongated nozzle according to claim 2, wherein the diameter of the outlet openings (41) is the same from end to end.

4. The elongated nozzle of claim 3, wherein the inlet (42) has the same diameter from end to end.

5. The elongated nozzle according to claim 3, characterized in that the base (1) is a wedge-shaped truncated cone.

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