CN217774634U

CN217774634U - Nozzle sealing structure

Info

Publication number: CN217774634U
Application number: CN202221387486.5U
Authority: CN
Inventors: 徐子政; 耿晓勇; 吴舜宾
Original assignee: Suzhou Samon Technology Co Ltd
Current assignee: Suzhou Samon Technology Co Ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-11
Anticipated expiration: 2032-06-01

Abstract

The utility model belongs to the technical field of the point gum machine, a nozzle seal structure is disclosed. This nozzle seal structure includes nozzle, adjusting nut, guide ring and first sealing member, adjusting nut and play hose detachable connections, and it has the chamber of holding to link up on the adjusting nut, and nozzle and guide ring all set up in holding the chamber, and guide ring and play hose sealing connection. Be provided with first runner in the nozzle, be provided with the second runner on the guide ring, the second runner is just right with first runner, the guide ring is used for compressing tightly the nozzle on the diapire that holds the cavity, first sealing member sets up between nozzle and guide ring, first sealing member is used for sealing up the junction of nozzle and guide ring, seal up the junction of first runner and second runner promptly, improved sealed effect and sealed reliability, guarantee piezoelectric injection valve's operating mass, thereby improve the quality of point.

Description

Nozzle sealing structure

Technical Field

The utility model relates to a point gum machine technical field especially relates to a nozzle seal structure.

Background

One of the key points in the microelectronic packaging industry is the fluid dispensing technology, and the dispensing speed, quality and operation performance affect the development of the packaging industry. With the development of microelectronic products in the direction of smaller size, higher performance, lower power consumption and more environmental protection, and the rapid development of 3C (Computer), communication (Communication) and Consumer electronics (Consumer electronics), more and more dispensing processes are involved in the electronic manufacturing process, and the dispensing technology requirements are higher and higher.

In the injection valve is glued to point, need accurate regulation and fixed nozzle's position, make between nozzle and the fluid guide ring sealing connection to make the position of nozzle accurate, and direct rigid connection between current nozzle and the fluid guide ring, sealed effect is poor, causes the colloid to overflow easily or outside air enters into the runner in and produces the bubble, directly influences piezoelectric injection valve's operating mass.

Therefore, a sealing structure of a nozzle is urgently needed to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nozzle seal structure can solve the nozzle seal structure among the prior art, and rigid seal, the poor problem of sealed reliability between nozzle and the guide ring.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a nozzle seal structure, is connected with the play hose of point gum machine liquid box, includes:

the nozzle is internally provided with a first flow passage;

the adjusting nut is detachably connected with the rubber outlet pipe, and an accommodating cavity is penetrated through the adjusting nut;

the guide ring is arranged in the accommodating cavity and is in sealing connection with the rubber outlet pipe, a second flow passage is arranged on the guide ring and is opposite to the first flow passage, and the guide ring is configured to tightly press the nozzle on one end, far away from the rubber outlet pipe, of the adjusting nut;

a first seal disposed between the nozzle and the guide ring, the first seal configured to seal a connection of the nozzle and the guide ring.

Optionally, one end of the guide ring, which is close to the nozzle, is provided with a first limiting groove, a groove bottom of the first limiting groove is provided with an abutting boss, the nozzle is arranged in the first limiting groove and is abutted against the limiting boss, the nozzle and the first limiting groove enclose a limiting space, and the first sealing element is arranged in the limiting space.

Optionally, the guide ring is removably connected to the adjustment nut.

Optionally, a clamping boss is arranged on the side wall of the accommodating cavity, a clamping tongue is arranged at one end, close to the nozzle, of the guide ring, and the clamping tongue is clamped on the clamping boss.

Optionally, the first seal is an O-ring seal.

Optionally, the O-ring is made of FKM material.

Optionally, one end of the guide ring, which is away from the nozzle, is provided with a second limiting groove, a second sealing element is arranged in the second limiting groove, and the second sealing element is configured to seal a joint of the guide ring and the rubber outlet pipe.

Optionally, two second sealing elements are arranged side by side on the groove bottom of the second limiting groove.

Optionally, the second seal is an O-ring seal.

Optionally, be provided with the external screw thread on the glue outlet pipe, be provided with the internal thread on the adjusting nut, adjusting nut with glue outlet pipe threaded connection.

Has the advantages that:

the utility model discloses a set up the play rubber tube of adjusting nut and point gum machine liquid box and be connected, it holds the cavity to link up on the adjusting nut, be provided with nozzle and guide ring in holding the cavity, be provided with first runner on the nozzle, be provided with the second runner on the guide ring, first runner is just to setting up with the second runner, the guide ring is used for compressing tightly the nozzle on the diapire that holds the cavity, be provided with first sealing member between guide ring and nozzle, first sealing member is used for the nozzle to seal with the junction of guide ring, seal the junction of first runner and second runner promptly, improve sealed effect, guarantee the operating quality of piezoelectricity injection valve, thereby improve the quality of point gum.

Drawings

FIG. 1 is an exploded view of the nozzle seal structure of the present invention prior to attachment to a liquid cartridge;

fig. 2 is a sectional view of the nozzle sealing structure of the present invention.

In the figure:

100. a liquid box; 110. discharging the rubber tube;

1. a nozzle; 11. a first flow passage;

2. adjusting the nut; 21. a housing chamber; 211. clamping the boss;

3. a guide ring; 31. a second flow passage; 32. a first limit groove; 321. abutting against the boss; 33. a latch; 34. a second limit groove;

4. a first seal member;

5. a second seal.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-2, the present embodiment discloses a nozzle sealing structure, which is connected to a glue outlet pipe 110 of a dispenser liquid box 100, and the nozzle sealing structure includes a nozzle 1, an adjusting nut 2, a guide ring 3 and a first sealing member 4, the adjusting nut 2 is detachably connected to the glue outlet pipe 110, an accommodating chamber 21 is penetrated through the adjusting nut 2, the nozzle 1 and the guide ring 3 are both disposed in the accommodating chamber 21, and the guide ring 3 is hermetically connected to the glue outlet pipe 110. Be provided with first flow path 11 in the nozzle 1, be provided with second flow path 31 on the guide ring 3, second flow path 31 is just right with first flow path 11, guide ring 3 is used for compressing tightly nozzle 1 on the diapire of holding cavity 21, first sealing member 4 sets up between nozzle 1 and guide ring 3, first sealing member 4 is used for sealing up the junction of nozzle 1 and guide ring 3, seal up the junction of first flow path 11 and second flow path 31 promptly, prevent in-process glue that the point is glued that the colloid is excessive or air enters into the runner of colloid, the gassing influences the operating mass of piezoelectric jet valve, thereby influence the quality of point is glued.

In the embodiment, the adjusting nut 2 is connected with the glue outlet tube 110 of the liquid box 100 of the dispenser, the accommodating chamber 21 is penetrated through the adjusting nut 2, the nozzle 1 and the guide ring 3 are arranged in the accommodating chamber 21, the first flow channel 11 is arranged on the nozzle 1, the second flow channel 31 is arranged on the guide ring 3, the first flow channel 11 is opposite to the second flow channel 31, the guide ring 3 is used for pressing the nozzle 1 on the bottom wall of the accommodating chamber 21, the first sealing element 4 is arranged between the guide ring 3 and the nozzle 1, and the first sealing element 4 is used for sealing the connection between the nozzle 1 and the guide ring 3, namely, the connection between the first flow channel 11 and the second flow channel 31 is sealed, so that the sealing effect is improved, the working quality of the piezoelectric injection valve is ensured, and the glue dispensing quality is improved.

Preferably, as shown in fig. 2, one end of the guide ring 3 close to the nozzle 1 is provided with a first limiting groove 32, the bottom of the first limiting groove 32 is provided with an abutting boss 321, the nozzle 1 is disposed in the first limiting groove 32 and abuts against the limiting boss, the nozzle 1 and the first limiting groove 32 enclose a limiting space, the first sealing element 4 is disposed in the limiting space, the position of the first sealing element 4 can be ensured to be accurate, the sealing reliability between the nozzle 1 and the guide ring 3 can be improved, and the sealing effect can be improved.

Alternatively, as shown in fig. 2, the guide ring 3 is detachably connected to the adjustment nut 2, facilitating the installation and removal of the guide ring 3. Furthermore, a clamping boss 211 is arranged on the side wall of the accommodating chamber 21, a clamping tongue 33 is arranged at one end of the guide ring 3 close to the nozzle 1, and a guide inclined plane is arranged at one side of the clamping tongue 33 close to the nozzle 1, so that the clamping tongue 33 can be conveniently inserted into the adjusting nut 2 from the upper side of the adjusting nut 2, and the clamping tongue 33 is clamped on the clamping boss 211.

Furthermore, in the present embodiment, the first sealing element 4 is an O-ring, and the O-ring is sleeved on the abutting boss 321 and then abuts against the upper end surface of the nozzle 1, so as to ensure the reliability of the sealing at the connection between the first flow channel 11 and the second flow channel 31.

Preferably, the O-ring is made of FKM (viton) material, which has high chemical stability and is resistant to aging and high temperature, thereby improving the sealing reliability of the O-ring.

Optionally, one end of the guide ring 3 away from the nozzle 1 is provided with a second limiting groove 34, a second sealing element 5 is arranged in the second limiting groove 34, and the second sealing element 5 is used for sealing a joint of the guide ring 3 and the glue outlet pipe 110.

Further, two second sealing elements 5 are arranged in parallel at the bottom of the second limiting groove 34, so that the sealing performance between the guide ring 3 and the glue outlet pipe 110 can be further improved.

Preferably, the second sealing element 5 is an O-ring, the O-ring is sleeved on the bottom of the second limiting groove 34, and the O-ring is also made of FKM material, so as to further improve the sealing reliability.

Optionally, an external thread is arranged on the glue outlet pipe 110, an internal thread is arranged on the adjusting nut 2, the adjusting nut 2 is in threaded connection with the glue outlet pipe 110, so that the nozzle sealing structure and the glue outlet pipe 110 of the glue dispenser liquid box 100 can be conveniently mounted and dismounted, meanwhile, the compression degree of the guide ring 3 on the first sealing element 4 can be adjusted by rotating the adjusting nut 2, and the sealing reliability is further improved.

It is to 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. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. 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. A nozzle sealing structure is connected with a glue outlet pipe (110) of a glue dispenser liquid box (100), and is characterized by comprising:

the nozzle comprises a nozzle (1), wherein a first flow channel (11) is arranged in the nozzle (1);

the adjusting nut (2) is detachably connected with the rubber outlet pipe (110), and an accommodating cavity (21) penetrates through the adjusting nut (2);

the guide ring (3) is arranged in the accommodating cavity (21) and is in sealing connection with the rubber outlet pipe (110), a second flow passage (31) is arranged on the guide ring (3), the second flow passage (31) is opposite to the first flow passage (11), and the guide ring (3) is configured to press the nozzle (1) on one end, away from the rubber outlet pipe (110), of the adjusting nut (2);

a first seal (4) disposed between the nozzle (1) and the guide ring (3), the first seal (4) being configured to seal a connection of the nozzle (1) and the guide ring (3).

2. The nozzle sealing structure according to claim 1, characterized in that one end of the guide ring (3) close to the nozzle (1) is provided with a first limiting groove (32), the bottom of the first limiting groove (32) is provided with an abutting boss (321), the nozzle (1) is arranged in the first limiting groove (32) and abutted against the abutting boss (321), the nozzle (1) and the first limiting groove (32) enclose a limiting space, and the first sealing element (4) is arranged in the limiting space.

3. Nozzle sealing structure according to claim 1, characterized in that the guide ring (3) is detachably connected with the adjusting nut (2).

4. The nozzle sealing structure according to claim 3, characterized in that a clamping boss (211) is arranged on the side wall of the accommodating chamber (21), a clamping tongue (33) is arranged at one end of the guide ring (3) close to the nozzle (1), and the clamping tongue (33) is clamped on the clamping boss (211).

5. Nozzle sealing structure according to claim 1, characterized in that the first seal (4) is an O-ring seal.

6. The nozzle sealing structure of claim 5, wherein said O-ring seal is made of FKM material.

7. Nozzle sealing structure according to claim 1, characterized in that the end of the guide ring (3) remote from the nozzle (1) is provided with a second retaining groove (34), a second sealing element (5) is arranged in the second retaining groove (34), and the second sealing element (5) is configured to seal the connection of the guide ring (3) and the glue outlet pipe (110).

8. The nozzle sealing structure according to claim 7, characterized in that the groove bottom of the second stopper groove (34) is provided with two second sealing members (5) side by side.

9. Nozzle sealing structure according to claim 7, characterized in that the second seal (5) is an O-ring seal.

10. Nozzle sealing structure according to any one of claims 1-9, characterized in that the glue outlet tube (110) is provided with an external thread and the adjusting nut (2) is provided with an internal thread, the adjusting nut (2) being in threaded connection with the glue outlet tube (110).