Leak-proof device of filling machine
Technical Field
The utility model belongs to the technical field of filling machines, and particularly relates to a leak-proof device of a filling machine.
Background
A filling machine is a device for filling liquid, semi-solid or powdery material into containers. It generally consists of a container supply system, a filling system and a sealing system. The filling machine can be adjusted according to different materials and container types so as to ensure the accuracy and the efficiency of filling. Common filling machines include liquid filling machines, powder filling machines, pellet filling machines, and the like.
In the food industry, liquid foods, such as beverages, juices, milk, sauces, etc., are often filled into bottles, cans or bags using filling machines. The filling machine can realize automatic filling, improves production efficiency, reduces the human cost, simultaneously because the filling machine adopts sealing system, can effectively prevent external pollutant entering food, ensure food sanitation and safety. However, the water outlet of the filling head of the existing filling machine is easy to loosen after long-term use, and the condition of liquid leakage can occur during filling, so that the pollution to the workbench is easy to cause.
The utility model discloses a leak protection nozzle of bottled water liquid filling machine in the patent of publication number CN220467560U, cooperates each other through structures such as outlet pipe, water inlet, roof, first sealing washer, bottom plate, second sealing washer, spring, baffle and water injection pipe and accomplishes filling and leak protection, and this kind of leak protection nozzle has convenient to use and can leak protection's advantage, but because its outlet pipe is less in radial direction's fixed point, thereby the outlet pipe takes place to rock easily after long-term use and produces the weeping.
Disclosure of utility model
The utility model aims to provide a leak-proof device of a filling machine, which aims to solve the following technical problems in the background art:
the filling head of the existing filling machine is easy to loose after long-term use, and liquid leakage can occur during filling.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The leak-proof device of the filling machine is arranged on a filling head of the filling machine and comprises a mounting part and a movable head, wherein the mounting part is connected with the filling head, and the movable head is connected with the mounting part;
The movable head is internally provided with a liquid outlet cavity, the bottom of the movable head is provided with an opening, and one side of the top of the movable head is movably and hermetically connected in the mounting cavity;
The device comprises a mounting part, a movable head, a pressure cavity, a movable head, a contact plate, a limit buckle, a pressure cavity, a connecting port, a contact plate and a limit buckle.
Further, a limiting ring is fixedly connected on the inner wall of the mounting part, which is positioned between the pressure cavity and the mounting cavity.
Furthermore, a compression spring is arranged in the installation part, one end of the compression spring is connected with the top of the installation part, and the other end of the compression spring is connected with the inner wall of the installation part.
Furthermore, a cleaning channel is arranged on the side wall of the mounting part and positioned below the liquid filling cavity, the cleaning channel is communicated with the mounting cavity, and a cleaning joint communicated with the cleaning channel is further arranged on the outer side of the mounting part.
Further, the outside of connector is provided with the external screw thread, and leak protection device passes through connector and filling head threaded connection.
Further, the top of the liquid outlet cavity is of an arc-shaped structure.
Further, an anti-dripping inner ring is arranged in the movable head, and the cross section of the anti-dripping inner ring is of an upward-bending arc-shaped structure.
Furthermore, the anti-dripping inner ring is uniformly arranged on the side wall of the liquid outlet cavity at intervals.
Further, the drip-proof inner ring is specifically provided with four.
Further, the drip-proof inner ring is detachably connected in the movable head.
Compared with the prior art, the utility model has the following beneficial effects:
When the self-sealing type anti-leakage device is used, the pressure of liquid in the pressure cavity in an initial state can push the movable head to move downwards, so that the communication port and the liquid filling cavity are kept in a disconnected state, and the self-sealing mode can achieve the anti-leakage effect.
After the filling is finished, the filling machine and the filling head lift the leakage-proof device upwards, the pressure of the liquid in the pressure cavity can push the movable head to move downwards, the communication port is disconnected from the filling cavity, and multiple liquid outlets and liquid leakage are prevented.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic diagram of the internal structure of the present utility model.
The mark in the figure is 1-installation part, 2-installation cavity, 3-compression spring, 4-pressure cavity, 5-connector, 6-spacing ring, 7-filling cavity, 8-cleaning connector, 9-cleaning channel, 10-spacing knot, 11-movable head, 12-drip-proof inner ring, 13-liquid outlet cavity, 14-contact plate, 15 communication port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1 to 3, the leak-proof device of the filling machine is arranged on a filling head of the filling machine and comprises a mounting part 1 and a movable head 11, wherein the mounting part 1 is connected with the filling head, and the movable head 11 is connected with the mounting part 1;
The installation part 1 is internally provided with a cavity, the top of the installation part 1 is fixedly connected with a connector 5, the connector 5 is communicated with the cavity, the cavity comprises a pressure cavity 4 at the top and an installation cavity 2 at the bottom, a liquid outlet cavity 13 is arranged in the movable head 11, the bottom of the movable head 11 is opened, and one side of the top of the movable head 11 is movably and hermetically connected in the installation cavity 2.
The device comprises a mounting part 1, a movable head 11, a filling cavity 7, a communicating opening 15 and a filling cavity 7, wherein the filling cavity 7 is arranged on one side of the mounting part 1, the filling cavity 7 is communicated with the pressure cavity 4, the communicating opening 15 is arranged on one side of the movable head 11, which is close to the top and faces the filling cavity 7, and the communicating opening 15 is required to be arranged to ensure that the communicating opening 15 can be communicated with the filling cavity 7 after the movable head 11 moves upwards. The outside of the movable head 11, which is close to the bottom, is fixedly connected with a contact plate 14, the bottom of the installation part 1 is estimated to be provided with a limit button 10, and the limit button 10 is matched and connected with the contact plate 14. The limit button 10 serves to block the contact plate 14 and limit the position of the contact plate 14.
Specifically, when in use, the leak-proof device is connected with the filling head in a sealing way and the filling head is opened. As shown in fig. 1, in the initial state, the pressure of the liquid in the pressure chamber 4 pushes the movable head 11 to move downwards, so that the communication port 15 is kept disconnected from the filling chamber 7, and the self-sealing mode can realize a leakage-proof effect. When filling is carried out, the movable head 11 of the leakage-proof device is aligned with the bottle mouth and pressed down by the filling machine and the filling head, and the contact plate 14 is contacted with the bottle mouth first and then pushes the movable head 11 to move relatively with the mounting part 1. As shown in fig. 3, the movable head 11 moves upward relative to the mounting portion 1 and enables the communication port 15 to communicate with the filling cavity 7, and the liquid enters the pressure cavity 4 from the connector 5 and then enters the filling cavity 7, and the liquid in the filling cavity 7 enters the liquid outlet cavity 13 after passing through the communication port 15, so that filling is realized. After filling, the filling machine and the filling head lift the leakage-proof device upwards, and the pressure of the liquid in the pressure cavity 4 can push the movable head 11 to move downwards and disconnect the communication port 15 from the filling cavity 7, so that multiple liquid outlets and liquid leakage are prevented.
In a preferred embodiment, as shown in fig. 1 and 3, a limiting ring 6 is fixedly connected to the inner wall of the mounting portion 1 between the pressure chamber 4 and the mounting chamber 2. The stop ring 6 serves to limit the top position of the movable head 11.
In a preferred embodiment, as shown in fig. 1 to 3, a compression spring 3 is arranged in the installation, one end of the compression spring 3 is connected with the top of the installation part 1, and the other end is connected with the inner wall of the installation part 1. The compression spring 3 is used to assist the rebound of the movable head 11. After filling is completed, the compression spring 3 resiliently pushes the movable head 11 downward so that the communication port 15 can be disconnected from the filling chamber 7.
In a preferred embodiment, as shown in fig. 1 and 3, a cleaning channel 9 is arranged on the side wall of the mounting part 1 below the filling cavity 7, the cleaning channel 9 is communicated with the mounting cavity 2, and a cleaning joint 8 communicated with the cleaning channel 9 is further arranged on the outer side of the mounting part 1. The cleaning joint 8 is used for cleaning a water pipe, and the other end of the water pipe is used for cleaning a water pump. After filling is completed, the movable head 11 moves downwards, at this time, the communication port 15 is communicated with the cleaning channel 9, and water is flushed into the cleaning channel 9 through the water pump and the cleaning water pipe, so that the cleaning inside the movable head 11 is further realized by flushing into the movable head 11.
In a preferred embodiment, the outer side of the connection head 5 is provided with an external thread, and the leakage prevention means is screwed with the filling head through the connection head 5. The mode of threaded connection can guarantee the connection stability of leak protection device and filling head and can guarantee the leakproofness simultaneously.
In a preferred embodiment, as shown in fig. 1 and 3, the top of the liquid outlet chamber 13 has an arc-shaped structure. This design is to prevent the residual liquid at the top of the liquid outlet cavity 13 from dripping down along the inner wall of the movable head 11 as much as possible. Thereby facilitating the residual liquid to be pumped away by the exhaust fan.
In a preferred embodiment, as shown in fig. 2, an anti-drip inner ring 12 is arranged in the movable head 11, and the cross section of the anti-drip inner ring 12 is of an upward curved arc structure. Further preferably, the anti-dripping inner rings 12 are uniformly arranged at intervals on the side wall of the liquid outlet cavity 13. Further preferably, the drip-proof inner ring 12 is provided with four in particular. Further preferably, the drip-proof inner ring 12 is detachably connected within the movable head 11. Through the design of drip-proof inner ring 12, can collect in drip-proof inner ring 12 behind the inside raffinate of activity head 11 along activity head 11 inner wall flow down, prevent that the raffinate from dripping, can effectively promote the leak protection effect. By providing a plurality of drip-proof inner rings 12, the effect of preventing the residual liquid from dripping can be effectively improved. The four specific settings are the optimal schemes obtained according to actual use. The drip-proof inner ring 12 is detachably connected in the movable head 11, so that the drip-proof inner ring 12 is conveniently detached for cleaning.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium, and may be a communication between two elements or an interaction relationship between two elements, unless explicitly specified otherwise, and it will be understood by those of ordinary skill in the art that the above terms are in specific terms of the present utility model as appropriate.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.