CN216103037U

CN216103037U - Reverse-suction filling nozzle

Info

Publication number: CN216103037U
Application number: CN202121427726.5U
Authority: CN
Inventors: 王立新; 顾岳清
Original assignee: Wuxi Jingpai Machinery Co ltd
Current assignee: Wuxi Jingpai Machinery Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-03-22
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a reverse suction filling nozzle, which comprises: the device comprises a driving piece and a discharge valve body, wherein one end of the discharge valve body is a driving inlet, the other end of the discharge valve body is a discharge outlet, a discharge nozzle is arranged on the discharge outlet, a material flowing space is formed between the driving inlet and the discharge nozzle, and a suck-back pull rod of the driving piece extends from the driving inlet and then moves in the material flowing space; the material flowing space is divided into a small-diameter space and a large-diameter space, and the large-diameter space is close to the discharging nozzle; the free end part of the suck-back pull rod is hermetically connected with the inner wall of the material flowing space through a sealing ring, and a cover plate is fixed at the end part; the diameters of the sealing ring and the cover plate are equal to the diameter of the small-diameter space and smaller than the diameter of the large-diameter space; and a material inlet is formed in one side of the small-diameter space. The utility model can prevent the phenomena of dripping and residue, has stable filling quantity, does not pollute the surface of equipment and the surface of package, and is more suitable for filling viscous materials.

Description

Reverse-suction filling nozzle

Technical Field

The utility model relates to filling, in particular to a reverse suction filling nozzle.

Background

The phenomenon of dripping and residue can appear when current filling mouth filling. Resulting in dirty table-board and inaccurate filling quantity and also leading to unattractive appearance of the product surface. Some materials are splashed or blocked by shredding or blowing.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides the reverse suction filling nozzle which can prevent dripping and residual phenomena, has stable filling quantity, does not pollute the surface of equipment and the surface of packaging, and is more suitable for filling viscous materials.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: a suck-back filling nozzle comprising:

the device comprises a driving piece and a discharge valve body, wherein one end of the discharge valve body is a driving inlet, the other end of the discharge valve body is a discharge port, a discharge nozzle is arranged on the discharge port, a material flowing space is formed between the driving inlet and the discharge nozzle, and a suck-back pull rod of the driving piece moves in the material flowing space after extending into the material flowing space from the driving inlet; the material flowing space is divided into a small-diameter space and a large-diameter space, and the large-diameter space is close to the discharging nozzle;

the free end part of the suck-back pull rod is hermetically connected with the inner wall of the material flowing space through a sealing ring, and a cover plate is fixed at the end part; the diameters of the sealing ring and the cover plate are equal to the diameter of the small-diameter space and smaller than the diameter of the large-diameter space;

and a material inlet is formed in one side of the small-diameter space.

Furthermore, the small-diameter space is provided with an intercepting motion section below the material inlet, and the sealing ring can intercept materials when positioned on the intercepting motion section.

Further, a transition section is arranged at the joint of the small-diameter space and the large-diameter space, and the diameter of the transition section is gradually increased until the diameter of the transition section is the same as that of the large-diameter space.

Further, the seal ring forms a negative pressure when moving from the large-diameter space to the small-diameter space.

Furthermore, a mounting seat is fixed on the discharge valve body, and the driving piece is mounted on the mounting seat.

Further, the driving member is a cylinder.

Further, the sealing ring is a tetrafluoro sealing ring.

In conclusion, the utility model achieves the following technical effects:

the utility model is composed of a suck-back cylinder, a cylinder seat, a suck-back pull rod, a discharge valve body, a PTFE seal ring, a cover plate and a discharge nozzle. The resorption cylinder descends during the filling, makes resorption pull rod and sealing washer descend to the material can flow in the outflow space, after the filling, the resorption cylinder rises, and pull rod and sealing washer rise simultaneously, forms the function of vacuum back suction of taking out of the contrary in the time of intercepting the material export, accomplishes whole filling then. The lifting of the pull rod and the sealing ring forms reverse vacuumizing suck-back in the closed space, so that the material is sucked back, the material is prevented from dripping and being remained, and splashing and blockage can be avoided.

Drawings

Fig. 1 is a schematic cross-sectional view of a filling nozzle provided in an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

as shown in fig. 1, a suck-back filling nozzle comprises:

driving piece 1 and ejection of compact valve body 4, be fixed with mount pad 2 on the ejection of compact valve body 4, driving piece 1 is installed on mount pad 2, driving piece 1 is the cylinder.

As shown in fig. 1, one end of the discharge valve body 4 is a driving inlet 41, the other end is a discharge port, and the discharge port is provided with a discharge nozzle 7, a material flowing space 42 is provided between the driving inlet 41 and the discharge nozzle 7, and the suck-back pull rod 3 of the driving member 1 moves in the material flowing space 42 after extending from the driving inlet 41, and moves to realize the flowing and intercepting of the material.

The material flowing space 42 is divided into a small-diameter space 46 and a large-diameter space 47, the large-diameter space 47 is close to the discharging nozzle 7, specifically, the end part of the suck-back pull rod 3 moves in the lower part of the small-diameter space 46 and the large-diameter space 47, the movement in the small-diameter space 46 can intercept materials, and the movement in the large-diameter space 47 can enable the materials to flow.

The free tip of resorption pull rod 3 pass through sealing washer 5 with material flow space 42 inner wall sealing connection, and this end fixing has apron 6, and sealing washer 5 can guarantee that resorption pull rod 3 forms sealedly when the interception material, guarantees that the material can not drip. The cover plate 6 is used to secure the seal ring 5.

The diameters of the sealing ring 5 and the cover plate 6 are equal to the diameter of the small-diameter space 46 and smaller than the diameter of the large-diameter space 47, so that the sealing ring 5 completely blocks materials in the small-diameter space 46, and the materials pass through a gap between the sealing ring 5 and the inner wall of the large-diameter space in the large-diameter space 47.

A material inlet 43 is arranged on one side of the small-diameter space 46, and materials enter the small-diameter space 46 from the material inlet 43 and flow out from the discharging nozzle 7.

The small-diameter space 46 is provided with an intercepting moving section 44 below the material inlet 43, and the sealing ring 5 can intercept materials when being arranged on the intercepting moving section 44. The intercepting movement section 44 is a distance between the bottom of the material inlet 43 and the upper end of the transition section 45, and is a distance which can be sealed by the sealing ring 5, in the distance, the sealing ring 5 stops, the material in the small-diameter space 46 cannot go downwards, and meanwhile, when the sealing ring 5 rises, negative pressure can be formed, so that reverse vacuum pumping and back suction are formed, no dripping leakage, no residue and no blockage are caused.

The transition section 45 is arranged at the joint of the small-diameter space 46 and the large-diameter space 47, and the diameter of the transition section 45 is gradually increased until the diameter of the transition section is the same as that of the large-diameter space 47, so that the movement continuity of the sealing ring 5 is facilitated.

The seal ring 5 forms a negative pressure when moving from the large-diameter space 47 to the small-diameter space 46.

The sealing ring 5 is a tetrafluoro sealing ring.

The working principle is as follows:

The filling agent is mainly suitable for filling of lotion, care solution, oral liquid, skin care solution, disinfectant, foundation solution, antifreeze solution, shampoo, hair care solution, hand sanitizer, eye lotion, nutrient solution, injection, pesticide, medicine, detergent, shower gel, perfume, edible oil, lubricating oil and liquid in special industries, and is particularly suitable for filling of viscous liquid. Simple structure, reliability, few faults, good sealing performance, accurate liquid dispensing amount and convenient liquid amount adjustment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a reverse suction filling mouth which characterized in that: comprises that

The device comprises a driving piece (1) and a discharge valve body (4), wherein one end of the discharge valve body (4) is a driving inlet (41), the other end of the discharge valve body is a discharge port, a discharge nozzle (7) is arranged on the discharge port, a material flowing space (42) is formed between the driving inlet (41) and the discharge nozzle (7), and a suck-back pull rod (3) of the driving piece (1) extends from the driving inlet (41) and then moves in the material flowing space (42); the material flowing space (42) is divided into a small-diameter space (46) and a large-diameter space (47), and the large-diameter space (47) is close to the discharging nozzle (7);

the free end part of the suck-back pull rod (3) is hermetically connected with the inner wall of the material flowing space (42) through a sealing ring (5), and a cover plate (6) is fixed at the end part; the diameters of the sealing ring (5) and the cover plate (6) are equal to the diameter of the small-diameter space (46) and smaller than the diameter of the large-diameter space (47);

and a material inlet (43) is formed in one side of the small-diameter space (46).

2. A suck-back filling nozzle according to claim 1, wherein: the small-diameter space (46) is arranged below the material inlet (43) and is provided with an intercepting movement section (44), and the sealing ring (5) can intercept materials when being positioned on the intercepting movement section (44).

3. A suck-back filling nozzle according to claim 2, wherein: a transition section (45) is arranged at the joint of the small-diameter space (46) and the large-diameter space (47), and the diameter of the transition section (45) is gradually increased until the diameter of the transition section is the same as that of the large-diameter space (47).

4. A suck-back filling nozzle according to claim 3, wherein: the seal ring (5) forms a negative pressure when moving from the large-diameter space (47) to the small-diameter space (46).

5. A suck-back filling nozzle according to claim 3, wherein: and the discharging valve body (4) is fixedly provided with a mounting seat (2), and the driving piece (1) is mounted on the mounting seat (2).

6. A suck-back filling nozzle according to claim 4, wherein: the driving piece (1) is an air cylinder.

7. A suck-back filling nozzle according to claim 5, wherein: and the sealing ring (5) is a tetrafluoro sealing ring.