CN215852010U

CN215852010U - One-way valve mechanism of filling machine

Info

Publication number: CN215852010U
Application number: CN202121904535.3U
Authority: CN
Inventors: 黄克童; 曾智
Original assignee: Wuxi Zhitong Yuanfeng Technology Co ltd
Current assignee: Wuxi Zhitong Yuanfeng Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-18
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a one-way valve mechanism of a filling machine in the technical field of filling equipment, which comprises a discharge port, a filling head and an anti-backflow valve, wherein the anti-backflow valve comprises a sliding rod, a floating part, a rubber plug and a return spring, a sliding sleeve capable of freely sliding along the axial direction of the filling head is sleeved on the filling head, one end of the sliding sleeve, which corresponds to an opening part of the filling head, is coaxially and fixedly connected with a mounting disc, a clearance groove for the filling head to freely pass through is formed in the mounting disc, and a plurality of pressure sensors are arranged on the bottom surface of the mounting disc. Through setting up anti-reflux valve for in the liquid raw materials of filling can not get into the filling head in the discharge gate, and the precision that leads to liquid raw materials filling volume produces the error, through setting up the pressure sensor on the mounting disc, when the filling head moves down, produces pressure signal through pressure sensor and container contact, with the relative position of judging container and filling head, promotes the container when avoiding the filling head to move down, produces liquid raw materials excessive phenomenon during perhaps the filling.

Description

One-way valve mechanism of filling machine

Technical Field

The utility model relates to the technical field of filling equipment, in particular to a one-way valve mechanism of a filling machine.

Background

Filling machines are mainly a small class of products in a packaging machine and can be divided into a liquid filling machine, a paste filling machine, a powder filling machine and a particle filling machine from the aspect of packaging materials; the production automation degree is divided into a semi-automatic filling machine and a full-automatic filling production line.

Present liquid filling machine inserts in the container through the filling head, come to liquid raw materials and carry out the filling, the filling finishes the back, can remain a certain amount of liquid raw materials in the discharge gate of liquid filling machine, these liquid raw materials if by filling head inflow back in the container, the filling volume that can lead to the container increases, and then reduced the filling precision, in addition because the filling head need insert in the container just can carry out the filling, if the position of container and filling head produced the deviation, can lead to the filling head to promote the container when moving down, liquid raw materials produces excessive phenomenon during perhaps the filling.

Based on the above, the utility model designs a one-way valve mechanism of a filling machine to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a one-way valve mechanism of a filling machine, which solves the problems that the prior filling machine proposed in the background art fills liquid raw materials by inserting a filling head into a container, a certain amount of liquid raw materials are remained in a discharge port of the filling machine after filling, the filling amount of the container is increased and the filling precision is reduced if the liquid raw materials flow into the container from the filling head, and in addition, the filling head can be inserted into the container for filling, if the position of the container deviates from the filling head, the container is pushed when the filling head moves downwards, or the liquid raw materials overflow during filling.

In order to achieve the purpose, the utility model provides the following technical scheme: a one-way valve mechanism of a filling machine comprises a filling head which is arranged on a discharge port of the filling machine and is communicated with the discharge port, the filling head is provided with an anti-backflow valve which comprises a sliding rod horizontally penetrating the filling head and capable of horizontally and freely sliding, one end of the sliding rod penetrating into the filling head is provided with a floating part which is fixedly connected with a rubber plug, the slide rod is sleeved with a return spring, two ends of the return spring in the elastic direction respectively elastically prop against the inner wall of the filling head and the floating part, in a natural state, the rubber plug is driven to move and seal the discharge hole, the filling head is sleeved with a sliding sleeve which can freely slide along the axial direction of the filling head, the coaxial rigid coupling of one end that the sliding sleeve corresponds first oral area of filling has the mounting disc, set up the groove of keeping away that supplies the filling head to pass through freely on the mounting disc, the mounting disc bottom surface is equipped with a plurality of pressure sensor.

Preferably, the outer wall of the filling head is provided with a plurality of short pins, and the outer wall of the sliding sleeve is provided with a limiting groove for the insertion of the short pins and the free sliding up and down.

Preferably, one end of the sliding rod, which penetrates out of the filling head, is sleeved with a limit nut.

Preferably, the outer diameter of the rubber plug decreases in sequence towards the direction adjacent to the discharge hole.

Preferably, the mounting disc is provided with a sliding groove in a through hole form, a sliding part capable of horizontally and freely sliding is clamped in the sliding groove, the pressure sensor is fixedly connected to the bottom of the sliding part correspondingly, the mounting disc is horizontally and rotatably connected with a screw, and screw threads penetrate through the sliding part.

Preferably, the screw penetrates into the sliding groove, one end of the screw is coaxially and fixedly connected with the ball head, and the inner wall of the sliding groove is provided with a spherical clamping groove which is used for clamping the ball head and can freely rotate.

Compared with the prior art, the utility model has the beneficial effects that: through setting up anti-reflux valve, make in the discharge gate liquid raw materials of non-filling can not get into the filling head, and the precision that leads to liquid raw materials filling volume produces the error, through setting up the pressure sensor on the mounting disc, when the filling head moves down, produce pressure signal through pressure sensor and container contact, with the relative position of judging container and filling head, promote the container when avoiding the filling head to move down, produce liquid raw materials excessive phenomenon during perhaps the filling, in addition, the rotation through the screw rod, make pressure sensor's mounted position can adjust, with the container of adaptation different models.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-discharge port, 2-floating part, 3-rubber plug, 4-filling head, 5-sliding sleeve, 6-short pin, 7-limiting groove, 8-clearance groove, 9-sliding part, 10-mounting plate, 11-reset spring, 12-sliding rod, 13-limiting nut, 14-sliding groove, 15-screw rod, 16-pressure sensor and 17-ball head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a check valve mechanism of a filling machine comprises a filling head 4 which is arranged on a discharge port 1 of the filling machine and is communicated with the discharge port 1, wherein an anti-reflux valve is arranged on the filling head 4, the anti-reflux valve comprises a sliding rod 12 which horizontally penetrates through the filling head 4 and can horizontally and freely slide, one end of the sliding rod 12 penetrating into the filling head 4 is provided with a floating part 2, a rubber plug 3 is fixedly connected onto the floating part 2, a reset spring 11 is sleeved on the sliding rod 12, two ends of the elastic force direction of the reset spring 11 respectively elastically abut against the inner wall of the filling head 4 and the floating part 2, the rubber plug 3 is driven to move and seal the discharge port 1 in a natural state, in the filling process, the filling machine conveys liquid raw materials from the discharge port 1 to the filling head 4, the rubber plug 3 is pushed to move towards the direction far away from the discharge port 1 by the pressure of the liquid raw materials, so that the liquid raw materials can flow into the filling head 4, normal filling is carried out, after filling is finished, in order to avoid that liquid raw materials which are not filled in the discharge port 1 enter a container and lose the pressure effect of the liquid raw materials, the reset spring 11 generates elastic support to the floating part 2 to ensure that the rubber plug 3 is clamped in the discharge port 1 to seal the opening part of the discharge port 1 and prevent the liquid raw materials which are not filled in the discharge port 1 from entering the filling head 4 to influence the precision of filling amount, the outer diameter of the rubber plug 3 is gradually reduced towards the direction adjacent to the discharge port 1, so that the sealing degree of the rubber plug 3 and the opening part of the discharge port 1 is better, one end of the sliding rod 12 penetrating out of the filling head 4 is sleeved with a limit nut 13, the limit nut 13 can limit the movement of the rubber plug 3, the filling head 4 is sleeved with a sliding sleeve 5 which can freely slide along the axial direction of the sliding sleeve, and one end of the sliding sleeve 5 corresponding to the opening part of the filling head 4 is coaxially and fixedly connected with a mounting disc 10, the mounting disc 10 is provided with a clearance groove 8 through which the filling head 4 freely passes, the bottom surface of the mounting disc 10 is provided with a plurality of pressure sensors 16, when the filling head 4 moves downwards, the mounting disc 10 is firstly contacted with the top of a container, when the filling head is contacted, the pressure sensors 16 are contacted with the container, the pressure sensors 16 generate pressure signals and feed the pressure signals back to an external controller, only when all the pressure sensors 16 generate the pressure signals, the external controller judges that the filling head 4 and the container are in correct positions, so that the filling head 4 can be accurately inserted into the opening part of the container, otherwise, when at least one pressure sensor 16 does not generate the pressure signals, the external controller judges that the filling head 4 and the container generate dislocation, and further controls an external alarm device to give an alarm to prompt a worker to adjust, and when the filling head 4 and the container are prevented from generating offset to cause the filling head to fill, liquid overflows, or the filling head moves downwards to cause the container to be pushed down by the filling head, a plurality of short pins 6 are arranged on the outer wall of the filling head 4, a limiting groove 7 for the short pins 6 to be inserted and combined and capable of freely sliding up and down is arranged on the outer wall of the sliding sleeve 5, the sliding sleeve 5 is enabled to move up and down to have limiting through the sliding and limiting of the short pins 6 in the limiting groove 7, furthermore, a sliding groove 14 in a through hole form is arranged on the mounting disc 10, a sliding part 9 capable of freely sliding horizontally is clamped in the sliding groove 14, a pressure sensor 16 is correspondingly and fixedly connected at the bottom of the sliding part 9, a screw rod 15 is horizontally and rotatably connected on the mounting disc 10, specifically, a ball head 17 is coaxially and fixedly connected at one end of the screw rod 15 penetrating into the sliding groove 14, a spherical clamping groove capable of freely rotating is arranged on the inner wall of the sliding groove 14, and the ball head 17 rotates and limits in the spherical clamping groove, so that the screw rod 15 is rotatably connected with the mounting disc 10, the screw 15 penetrates the sliding part 9 in a threaded manner, and when the detection position of the pressure sensor 16 is adjusted, the screw 15 is in threaded connection with the sliding part 9 by rotating the screw 15, so that the sliding part 9 moves horizontally, the detection position of the pressure sensor 16 can be adjusted, and containers with different sizes can be adapted.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a check valve mechanism of liquid filling machine, including install on liquid filling machine discharge gate (1) and with discharge gate (1) through filling head (4), its characterized in that, be equipped with an anti-reflux valve on filling head (4), anti-reflux valve includes that the level wears to locate on filling head (4), and can level free slip slide bar (12), the one end that slide bar (12) penetrated in filling head (4) is equipped with unsteady portion (2), the rigid coupling has rubber buffer (3) on unsteady portion (2), the cover is equipped with reset spring (11) on slide bar (12), reset spring (11) elasticity direction both ends are respectively to top filling head (4) inner wall and unsteady portion (2), under its natural state, drive rubber buffer (3) remove and seal discharge gate (1), the cover is equipped with can be followed its axial free slip cover (5) on filling head (4), the coaxial rigid coupling of one end that sliding sleeve (5) correspond filling head (4) oral area has mounting disc (10), offer on mounting disc (10) and supply filling head (4) freedom to pass through keep away empty groove (8), mounting disc (10) bottom surface is equipped with a plurality of pressure sensor (16).

2. The one-way valve mechanism of the filling machine as claimed in claim 1, wherein the outer wall of the filling head (4) is provided with a plurality of short pins (6), and the outer wall of the sliding sleeve (5) is provided with a limit groove (7) which is used for inserting the short pins (6) and can freely slide up and down.

3. The one-way valve mechanism of a filling machine as claimed in claim 1, characterized in that the end of the slide rod (12) which protrudes out of the filling head (4) is sleeved with a limit nut (13).

4. The one-way valve mechanism of filling machine according to claim 1, characterized in that the outer diameter of the rubber stopper (3) decreases in sequence towards the direction adjacent to the discharge port (1).

5. The one-way valve mechanism of the filling machine as claimed in claim 1, wherein the mounting plate (10) is provided with a sliding groove (14) in the form of a through hole, a sliding part (9) capable of sliding freely horizontally is engaged in the sliding groove (14), the pressure sensor (16) is correspondingly and fixedly connected to the bottom of the sliding part (9), the mounting plate (10) is horizontally and rotatably connected with a screw (15), and the screw (15) penetrates through the sliding part (9) in a threaded manner.

6. The check valve mechanism of the filling machine as claimed in claim 5, wherein the screw (15) penetrates into the sliding groove (14) and is coaxially and fixedly connected with a ball head (17), and a spherical clamping groove for clamping the ball head (17) and capable of rotating freely is formed on the inner wall of the sliding groove (14).