CN113493183A

CN113493183A - Aseptic filling machine

Info

Publication number: CN113493183A
Application number: CN202110943849.2A
Authority: CN
Inventors: 黄东宁; 张硕林
Original assignee: Nanjing Lehui Fenaher Packaging Machinery Co ltd
Current assignee: Nanjing Lehui Fenaher Packaging Machinery Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-10-12

Abstract

The invention discloses an aseptic filling machine, and relates to the field of PET (polyethylene terephthalate) wine barrel filling equipment. The aseptic filling machine has the advantages of exquisite structure, low manufacturing cost, low use cost and capability of realizing aseptic filling. The sterile filling machine comprises an inlet buffer bin, a cleaning filling bin, an outlet buffer bin and a fan filter unit, wherein a feeding channel is arranged in the inlet buffer bin, a discharging channel is arranged in the outlet buffer bin, and a container to be filled enters the cleaning filling bin through the feeding channel and is discharged outwards through the discharging channel after filling is finished; the fan filter unit is arranged on the cleaning and filling bin, and after the environmental air is filtered and pressurized through the fan filter unit, an aseptic positive pressure environment is provided for the cleaning and filling bin. The sterile environment providing equipment has the advantages of simple structure, low manufacturing cost and low use cost, and can provide a sterile filling environment for a long time and stably.

Description

Aseptic filling machine

Technical Field

The invention relates to the field of PET wine barrel filling equipment.

Background

In the field of barreled beer (20L big barrel), the main popular in the market at present is to use metal steel barrel to splendid attire beer, but because metal steel barrel needs to be retrieved, retrieves and will wash, wash and need use energy consumption such as cleaner again, the cost including the transportation of washing always remains high.

In order to solve the problem of recycling and cleaning, in recent years, disposable PET plastic barrels with wine lances gradually become popular, and compared with the defect that metal steel barrels need to be recycled and cleaned, the disposable PET plastic barrels are directly used for waste treatment and are not recycled after being used up, so that the operation cost of the barrels is greatly reduced, and the sales radius of beer is enlarged.

However, although disposable PET plastic barrels containing wine spears have become popular, the filling equipment for the barrels is still very simple, the production rate per hour is about 60 barrels, the speed is slow, and sterile filling is not achieved. Especially in the face of increasingly stringent food safety requirements, whether aseptic filling is possible will have a great impact on the hygiene, shelf life and taste of the bottled beer. On the other hand, if the whole workshop is subjected to aseptic treatment, the defects of extremely high workshop construction cost, high daily use cost, high maintenance cost and the like are brought.

In contrast, the chinese patent application "sterile beer filling machine" with application number "200810158205.7 discloses a technical solution for achieving aseptic filling by providing a sterile positive pressure working environment, but the filling operation workshop in this solution has a large air contact area with the outside, and a positive pressure environment cannot be provided durably and stably only by a membrane filter fan, and it is also difficult to maintain the proposed sterile positive pressure working environment.

Therefore, how to improve the filling equipment of PET wine barrels to realize aseptic filling at a lower cost becomes a technical problem to be solved by those skilled in the art.

Disclosure of Invention

Aiming at the problems, the invention provides the sterile filling machine which is exquisite in structure, low in manufacturing cost and use cost and capable of achieving sterile filling.

The technical scheme of the invention is as follows: the sterile filling machine comprises an inlet buffer bin 1, a cleaning filling bin 2, an outlet buffer bin 3 and a fan filter unit 4, wherein the inlet buffer bin 1 and the outlet buffer bin 3 are respectively and fixedly connected to an inlet and an outlet of the cleaning filling bin 2; a feeding channel is arranged in the inlet buffering bin 1, a discharging channel is arranged in the outlet buffering bin 3, and a container to be filled enters the cleaning and filling bin 2 through the feeding channel and is sent out through the discharging channel after filling is finished;

the fan filter unit 4 is arranged on the cleaning and filling bin 2, and after ambient air is filtered and pressurized through the fan filter unit 4, a sterile positive pressure environment is provided for the cleaning and filling bin 2;

the inner walls of the inlet buffer bin 1 and the outlet buffer bin 3 are fixedly connected with partition plates 5, the outer sides of the partition plates 5 are filled with the feeding channel or the discharging channel, and a container channel for containers to come in and go out is arranged in each partition plate 5.

The container passage conforms to the shape of the container and is spaced from the outer wall of the container as the container passes through the container passage.

All a plurality of division boards 5 of fixedly connected with on the inner wall of import surge bin 1 and export surge bin 3, the equal vertical setting of a plurality of division boards 5.

The inlet buffer bin 1 is also used as a wine lance press-loading mechanism, and the wine lance press-loading mechanism comprises a bin feeding conveying belt 16, an assembling mechanism, a front barrel blocking cylinder 14 and a rear barrel blocking cylinder 15;

the front barrel blocking cylinder 14 and the rear barrel blocking cylinder 15 are respectively arranged on the front side and the rear side above the bin feeding conveying belt 16 and are fixedly connected to the side wall of the inlet buffer bin 1, cylinder rods of the front barrel blocking cylinder 14 and the rear barrel blocking cylinder 15 can extend into or withdraw from an area above the bin feeding conveying belt 16, and a wine spear press-mounting station is formed between the front barrel blocking cylinder 14 and the rear barrel blocking cylinder 15;

assembly devices establishes the top at the wine lance pressure equipment station, assembly devices is including assembling cylinder 11 and

pressure disk

12, 11 fixed connection of assembling cylinder are at the top of import surge bin 1, pressure disk 12 fixed connection is in the bottom of assembling cylinder 11 to be rectilinear elevating movement under the drive of assembling cylinder.

A delivery conveyer belt 31 is arranged in the outlet buffer bin 3, and delivery side baffles 32 fixedly connected in the outlet buffer bin 3 are respectively arranged at two sides above the delivery conveyer belt 31.

The cleaning and filling bin 2 comprises a transit bin 21, a cleaning bin 22 and a filling bin 23, one end of a bin feeding conveyer belt 16 extends into the transit bin 21, and one end of a bin discharging conveyer belt 31 extends into the filling bin 23;

the transfer bin 21 is internally provided with a transfer station, the cleaning bin 22 is internally provided with a cleaning station, and the filling bin 23 is internally provided with a filling station; one end of the warehouse entry conveying belt 16 extends to the position below the transfer station, and one end of the warehouse exit conveying belt 31 extends to the position below the filling station;

clamping the container on the transfer station through the turnover mechanism and turning the container into the cleaning station, or clamping the container on the cleaning station through the turnover mechanism and turning the container into the transfer station; and pushing the container from the transfer station to a filling station through a pushing mechanism.

The clamping mechanism 26 comprises a base 261, a clamping cylinder 262, an expansion joint 263, a pair of driving connecting rods 264 and a pair of clamping jaws 265, the root of the base 261 is fixedly connected to the overturning shaft 25, the clamping cylinder 262 is fixedly connected to the base 261, and the expansion joint 263 is fixedly connected to a cylinder rod of the clamping cylinder 262;

the root of a pair of the clamping jaws 265 is hinged on the front part of the base 261, and the pair of clamping jaws 265 is symmetrically arranged along the center line of the clamping cylinder 262, one end of the driving link 264 is hinged on the clamping jaws 265, and the other end of the driving link 264 is simultaneously hinged with the expansion joint 263.

The expansion joint 263 is sleeved on the rod of the clamping cylinder 262, and the expansion joint 262 is connected with the rod of the clamping cylinder 262 through threads.

A cleaning valve 221 positioned below the cleaning station and a container pressing plate 222 positioned above the cleaning station are arranged in the cleaning bin 22, the container pressing plate 222 is connected to the top of the cleaning bin 22 through a pressing cylinder 223, and the container pressing plate 222 is controlled to do reciprocating lifting motion through the pressing cylinder 223;

the cleaning valve 221 is provided with a liquid inlet channel and a liquid outlet channel;

the cleaning valve 221 is used for forcing a wine outlet sealing ring in the wine lance to be opened upwards, so that the liquid inlet channel is communicated with the inner channel of the wine lance, and the liquid outlet channel is communicated with the outer channel of the wine lance.

The liquid inlet channel is connected with the cleaning liquid through a liquid inlet interface, and the liquid outlet channel is connected with the wastewater pool through a liquid outlet interface.

The filling bin 23 is internally provided with a filling valve 231 connected above a filling station, the filling valve 231 comprises an upper cylinder 2311, an outer connecting rod 2312, a filling valve body 2313, an inner connecting rod 2314, a lower cylinder 2315, a filling valve core 2316 and a filling valve base 2317, the upper cylinder 2311 is fixedly connected above the filling station, and the filling valve body 2313 is arranged below the upper cylinder 2311 and is fixedly connected with a cylinder rod of the upper cylinder 2311 through the outer connecting rod 2312; the lower cylinder 2315 is fixedly connected above the filling valve body 2313 through an inner connecting rod 2314, the filling valve core 2316 is arranged in the filling valve body 2313 in a penetrating mode, and the top end of the filling valve core 2316 is fixedly connected with a cylinder rod of the lower cylinder 2315;

an exhaust passage is formed in the filling valve body 2313, a wine filling passage is formed in the filling valve core 2316, the filling valve core 2316 penetrates through the exhaust passage, the filling valve base 2317 is fixedly connected to the top opening of the exhaust passage, the filling valve base 2317 is sleeved with the filling valve core 2316, and the filling valve base 2317 and the filling valve core 2316 are kept in dynamic sealing.

The invention can ensure that air in the sterile filling machine and ambient air in a workshop can only contact through the container channel, thus the container which enters and exits the cleaning filling bin 2 through the feeding channel and the discharging channel after the processing is started is matched with the isolation plate 6, thereby reducing the contact area of the air inside and outside the sterile filling machine to a greater extent, and further providing a sterile positive pressure working environment for the cleaning filling bin 2 by means of the fan filter unit 4 in the process of continuously entering and exiting the container so as to ensure the sterile filling of beer. The sterile environment providing equipment has the advantages of simple structure, low manufacturing cost and low use cost, and can provide a sterile filling environment for a long time and stably.

Drawings

FIG. 1 is a schematic structural diagram of the present application,

figure 2 is a left side view of figure 1,

figure 3 is a top view of figure 1,

figure 4 is a perspective view of figure 1,

figure 5 is a schematic view of the structure of the inlet surge bin in the present case,

figure 6 is a perspective view of the inlet surge bin in the present case,

figure 7 is a schematic view of the internal structure of the inlet surge bin in the present case,

figure 8 is a schematic view of the structure of the outlet surge bin in the present case,

figure 9 is a schematic view of the internal structure of the outlet surge bin in the present case,

figure 10 is a schematic view showing the internal structure of the cleaning and filling bin in the present case,

figure 11 is an enlarged view of a portion of figure 10 at H,

FIG. 12 is a second schematic view of the internal structure of the cleaning and filling bin in the present case,

FIG. 13 is a schematic view showing the internal structure of the cleaning and filling bin in the present case,

FIG. 14 is a reference diagram of the use state of the serial alignment mechanism in the present case,

FIG. 15 is a schematic structural diagram of the row positioning mechanism in the present application,

figure 16 is a schematic structural diagram of the clamping mechanism in the present case,

FIG. 17 is a second schematic structural view of the clamping mechanism in the present case,

figure 18 is a schematic structural diagram of a clamping mechanism in the present case three,

figure 19 is a fourth schematic structural view of the clamping mechanism of the present case,

FIG. 20 is a reference view showing a state of use of the clamping mechanism in the present case,

figure 21 is a schematic view of the structure of the purge valve of the present case,

figure 22 is an axial cross-sectional view of the purge valve of the present case,

figure 23 is a reference view of the state of use of the purge valve in the present case,

figure 24 is a schematic view showing the structure of the filling valve in the present case,

figure 25 is a top plan view of figure 24,

figure 26 is a second schematic structural view of the filling valve of the present invention,

figure 27 is a third schematic view of the filling valve of the present case,

figure 28 is a fourth schematic structural view of the filling valve of the present case,

figure 29 is a cross-sectional view taken along line C-C of figure 24,

figure 30 is a cross-sectional view taken along line B-B of figure 25,

figure 31 is a cross-sectional view taken along line a-a of figure 25,

figure 32 shows a first view of the filling valve according to the present invention in its use state,

figure 33 shows the use of the filling valve according to the present invention with reference to figure two,

FIG. 34 is a reference diagram of the use state of the present invention in the inverted cleaning,

FIG. 35 is a reference diagram of the use state of the filling device in the right position;

in the figure, 1 is an inlet buffer bin, 11 is an assembly cylinder, 12 is a pressure plate, 13 is a barrel blocking block, 14 is a front barrel blocking cylinder, 15 is a rear barrel blocking cylinder, 16 is a bin feeding conveying belt, and 17 is a side baffle;

2 is a cleaning and filling bin, 21 is a transfer bin, 211 is a limiting cylinder, 212 is a connecting rod, 213 is a transverse limiting rod, 214 is a longitudinal limiting rod, 215 is a first fixing seat, and 216 is a second fixing seat;

22 is a cleaning bin, 221 is a cleaning valve, 2211 is a cleaning valve body, 2212 is a cleaning valve base, 2213 is a cleaning valve core, 2214 is a cleaning cylinder, 2215 is a corrugated pipe, 2216 is a positioning sleeve; 222 is a container platen, 223 is a hold-down cylinder;

23 is a filling bin, 231 is a filling valve, 2311 is an upper cylinder, 2312 is an outer connecting rod, 2313 is a filling valve body, 2314 is an inner connecting rod, 2315 is a lower cylinder, 2316 is a filling valve core, 2317 is a filling valve base, 2321 is an installation seat, 2322 is a guide rod, 2323 is an upper fixing plate, 2324 is a lower fixing plate, 2331 is a second corrugated pipe, and 2332 is a second positioning sleeve;

24 is a turning motor, 25 is a turning shaft, 26 is a clamping mechanism, 261 is a base, 262 is a clamping cylinder, 263 is an expansion joint, 264 is a driving connecting rod, 265 is a clamping jaw, and 266 is a supporting block;

27 is a push cylinder, 28 is a push plate;

3 is an outlet buffer bin, 31 is a delivery conveyer belt, and 32 is a delivery side baffle; 4 is a fan filter unit and 5 is a separator plate.

Detailed Description

In order to clearly explain the technical features of the present patent, the following detailed description of the present patent is provided in conjunction with the accompanying drawings.

As shown in fig. 1-35, the sterile filling machine comprises an inlet buffer bin 1, a cleaning filling bin 2, an outlet buffer bin 3 and a fan filter unit 4, wherein the inlet buffer bin 1 and the outlet buffer bin 3 are respectively and fixedly connected to an inlet and an outlet of the cleaning filling bin 2; a feeding channel is arranged in the inlet buffering bin 1, a discharging channel is arranged in the outlet buffering bin 3, a PET wine barrel is taken as a container in the scheme for illustration, the container to be filled enters the cleaning and filling bin 2 through the feeding channel, and is sent out through the discharging channel after filling;

the inner walls of the inlet buffer bin 1 and the outlet buffer bin 3 are fixedly connected with partition plates 5, the outer sides of the partition plates 5 are filled with the feeding channel or the discharging channel, and a container channel for containers to come in and go out is arranged in each partition plate 5. Thereby make the air in the aseptic liquid filling machine and the ambient air in the workshop, only can contact through taking place at the container passageway, like this, through feedstock channel after processing begins, discharge channel business turn over washs the container in filling storehouse 2, will cooperate with division board 6, thereby reduce aseptic liquid filling machine inside and outside air contact area to a great extent, and then at the in-process that the container lasts the business turn over, lasting, stable for washing filling storehouse 2 provides aseptic malleation operational environment with the help of fan filter unit 4, in order to guarantee the aseptic filling of beer. The sterile environment providing equipment has the advantages of simple structure, low manufacturing cost and low use cost, and can provide a sterile filling environment for a long time and stably.

The container passage conforms to the shape of the container and is spaced from the outer wall of the container as the container passes through the container passage. On one hand, the positive pressure sterile environment can be ensured to be exhausted outwards through the gap after being established, and the internal pressure of the sterile filling machine is prevented from being too high; on the other hand, it is ensured that the air in the sterile filling machine and the ambient air in the workshop can only come into contact through the gap, and the air contact area is extremely small.

All a plurality of division boards 5 of fixedly connected with on the inner wall of import surge bin 1 and export surge bin 3, the equal vertical setting of a plurality of division boards 5. Therefore, the container is matched with a container which is vertically placed and continuously moves in the feeding channel or the discharging channel, the contact area of the air inside and outside the sterile filling machine is better controlled, and the situation that the positive pressure inside the sterile filling machine is rapidly removed when the container is mistakenly opened with a certain isolation plate is avoided.

Press-fitting mechanism for wine spear

As shown in fig. 5-7, the inlet buffer bin 1 doubles as a wine spear press-loading mechanism, and the wine spear press-loading mechanism comprises a bin feeding conveyer belt 16, an assembling mechanism, a front barrel blocking cylinder 14 and a rear barrel blocking cylinder 15;

pressure disk

Operating personnel can be before PET cask is sent into import surge bin 1, put into the wine lance at the bung hole of PET cask, during the use, can open preceding fender bucket cylinder 14 earlier, make the cylinder rod that preceding fender bucket cylinder get into advance in the region of storehouse conveyer belt top, block the PET cask that transports and come, after the PET cask that corresponds quantity with assembly devices gets into wine lance pressure equipment station, open back fender bucket cylinder, make the cylinder rod that back fender bucket cylinder get into advance in the region of storehouse conveyer belt top, thereby hold up the PET cask in both sides around wine lance pressure equipment station, and make the PET cask in being in wine lance pressure equipment station closely arrange, in order to realize the accurate positioning to the PET cask.

Thereafter, the pressing plate 12 can be controlled to descend by the fitting cylinder 11 so that the pressing plate descends to contact with the wine spear and finally press-fit the wine spear at the mouth of the PET wine barrel.

After the wine spear is pressed and assembled, a cylinder rod of the front barrel blocking cylinder can be controlled to exit from the area above the warehousing conveyer belt, so that the PET wine barrel provided with the wine spear enters the next link under the conveying of the warehousing conveyer belt; and after all the PET wine barrels provided with the wine spears leave the wine spear press-fitting station, controlling the cylinder rods of the rear barrel blocking cylinders to withdraw from the area above the warehouse entering conveying belt so as to carry out next wine spear press-fitting operation.

The present case has replaced traditional manual work through automatic wine lance pressure equipment, can accomplish wine lance pressure equipment operation by accurate, efficient to effectively solved artifical pressure equipment in-process, intensity of labour is big, work efficiency is low and pressure equipment failure rate scheduling problem.

The assembling mechanism has a plurality of assembling mechanisms which are parallel to each other and are sequentially arranged above the warehouse entering conveying belt 16. Thereby can accomplish the wine lance pressure equipment operation of a batch PET cask simultaneously through a plurality of assembly devices to guarantee the work efficiency of wine lance pressure equipment. As shown in FIG. 7, the assembly mechanism has three PET barrels, which make up a batch of PET barrels.

The wine spear press-fitting mechanism further comprises a pair of side baffles 17, the side baffles 17 are fixedly connected above the feeding conveyer belt 16, the side baffles 17 are respectively positioned at two sides of the wine spear press-fitting station, and the containers are supported from two sides of the containers through the side baffles 17. Therefore, on one hand, in the process of moving the PET wine barrel by the bin feeding conveyer belt, the container can be effectively supported by the aid of the pair of side baffles so as to maintain stable conveying of the PET wine barrel; on the other hand, through the cooperation of a pair of side shield 17 with preceding fender bucket cylinder 14, backstop bucket cylinder 15, can make a batch of PET casks of treating the pressure equipment closely arrange, stable orderly be in among the wine lance pressure equipment station.

The two front gear barrel cylinders 14 are arranged oppositely, and both the two front gear barrel cylinders 14 are arranged horizontally; the rear barrier bucket cylinders 15 also have two, and the two rear barrier bucket cylinders 15 are disposed opposite to each other and both are disposed horizontally. Like this, set up two preceding fender bucket cylinders 14 and two rear fender bucket cylinders 15, can effectively shorten its required stroke that stretches out to accelerate action efficiency, with the work efficiency who accelerates the wine lance pressure equipment operation to a certain extent.

All fixed connection keeps off bucket piece 13 on the jar pole of preceding fender bucket cylinder 14 and back fender bucket cylinder, keep off and set up the arc wall with the container outer wall adaptation on the bucket piece 13, the arc wall sets up towards the center of wine lance pressure equipment station. Thereby block through keeping off that the bucket piece is better to hold the PET cask, avoid the beverage spear pressure equipment in-process, the PET cask produces unexpected action, leads to the pressure equipment failure.

The barrel blocking block 13 is made of PE. Thereby avoiding scratching and extruding the PET wine barrel.

The assembly cylinder 11 is provided with a stroke sensor. Therefore, the actual strokes of the cylinder rod of the assembling cylinder and the pressing plate can be detected by the stroke sensor so as to judge whether the wine lance is pressed in place; in addition, if the stroke is too long, the press fitting failure can be judged, and waste products are generated.

With respect to the outlet buffer

As shown in fig. 8-9, a delivery conveyor belt 31 is disposed in the outlet buffer bin 3, and delivery side baffles 32 fixedly connected to the outlet buffer bin 3 are disposed on two sides above the delivery conveyor belt 31. The PET wine barrel is supported from two sides by the delivery side baffle 32 when the PET wine barrel is delivered.

Cleaning and filling bin

People discover when in-service use, the filling equipment of steel drum is being used mostly along to the filling equipment of current PET cask, adopt the form of inversion filling, it is simpler also more convenient to invert the filling to the steel drum, but not be fit for filling to the PET cask, its main factor is that the structural strength of PET cask self can be far less than the steel drum, if adopt the inversion filling, along with the continuous injection of beer, the stack shell is extremely crooked to appear, the problem of buckling appears even, press disconnected bung hole, consequently, need to design extra stack shell and support the mechanism, not only the structure is complicated, the design cost is high, the cooperative control of each equipment also is a big problem. Therefore, how to satisfy both inverted cleaning and upright filling becomes a technical problem to be solved by those skilled in the art.

As shown in fig. 10 to 15, the cleaning and filling bin 2 comprises a transfer bin 21, a cleaning bin 22 and a filling bin 23, one end of the feeding conveyer belt 16 extends into the transfer bin 21, one end of the discharging conveyer belt 31 extends into the filling bin 23, and the feeding conveyer belt 16 and the discharging conveyer belt 31 are parallel;

clamping the container on the transfer station through the turnover mechanism and turning the container into the cleaning station, or clamping the container on the cleaning station through the turnover mechanism and turning the container into the transfer station; and pushing the container from the transfer station to a filling station through a pushing mechanism. Therefore, before the PET wine barrel is filled, the PET wine barrel which is placed on the transfer station is clamped and turned to the cleaning station through the turning mechanism, so that the PET wine barrel is cleaned in an inverted mode in the cleaning station, and the cleaning operation on the interior of the PET wine barrel is finished stably and efficiently; after the cleaning is finished, the PET wine barrel can be clamped and turned back to the transfer station through the turning mechanism; afterwards, the PET wine barrel can be pushed to the filling station from the transfer station through the pushing mechanism, and the PET wine barrel is filled in the upright position. Finally, the structure requirements of inverted cleaning and upright filling can be simultaneously met through the scheme, and the device has the advantages of high processing efficiency, convenience in use, stable action and the like.

Turnover mechanism and pushing mechanism in cleaning filling bin

As shown in fig. 10-12, the turning mechanism includes a turning motor 24, a turning shaft 25 and a clamping mechanism 26, the turning shaft 25 is rotatably connected to the frame, the turning shaft 25 is parallel to the length direction of the warehouse entering conveyor belt 16 and is arranged between the transfer station and the cleaning station, the turning motor 24 is fixedly connected to the frame, an output shaft of the turning motor is connected to the turning shaft, and the turning shaft 25 is driven by the turning motor 24 to rotate back and forth; one end of the clamping mechanism 26 is fixedly connected to the overturning shaft 25; firstly, in the process of conveying the PET wine barrel into the transfer station, the clamping mechanism can be upwards lifted by rotating the turnover shaft 25, so that the PET wine barrel can smoothly enter the transfer station, and interference is avoided; after the PET wine barrel enters the transfer station, the clamping mechanism can be turned downwards by rotating the turning shaft 25, and the barrel opening of the PET wine barrel is clamped by the clamping mechanism; after that, the overturning motor is started again, the clamping mechanism is controlled to overturn for 180 degrees, and then the PET wine barrel which is placed on the transfer station in the upright mode can be clamped and overturned to the cleaning station, so that the PET wine barrel is cleaned in the inverted mode in the cleaning station; in a similar way, after the cleaning is finished, the PET wine barrel can be clamped and turned back to the transfer station through the turning mechanism.

As shown in fig. 14-15, the pushing mechanism includes a pushing cylinder 27 and a pushing plate 28, the pushing cylinder 27 is fixedly connected to the frame, the pushing cylinder 27 is located at one side of the transfer station, a cylinder rod of the pushing cylinder 27 is disposed toward the filling station, and the pushing plate 28 is fixedly connected to the cylinder rod of the pushing cylinder 27. After the cleaned PET wine barrel returns to the transfer station, the pushing cylinder 27 can be opened, the PET wine barrel is stably horizontally moved and pushed to the filling station, and the PET wine barrel is subsequently filled in the filling station in a positive mode.

And a translation bearing plate fixedly connected with the rack is arranged between the transfer station and the filling station, and the translation bearing plate is fixedly connected to the rack and is positioned between the warehouse-in conveying belt 16 and the warehouse-out conveying belt 31.

One side of the push plate 28 facing the filling station is provided with an arc-shaped groove matched with the container.

Row-in-row positioning mechanism in cleaning filling bin

As shown in fig. 14-15, the transfer bin 21 is further provided with a row-aligning mechanism, the row-aligning mechanism includes a transverse limiting rod 213 and a longitudinal limiting rod 214, the transverse limiting rod 213 is rotatably connected to the frame of the sterile filling machine and is located at one side of the transfer station, and the containers conveyed by the incoming bin conveying belt 16 are blocked by the transverse limiting rod 213, so that the containers stay at the transfer station;

one end of the transverse limiting rod 213 is connected with a rotary driving mechanism, and the rotary driving mechanism drives the transverse limiting rod 213 to rotate in a reciprocating manner;

one end of the longitudinal limiting rod 214 is fixedly connected with the transverse limiting rod 213 and is positioned between the transfer station and the filling station, and the longitudinal limiting rod 214 is driven to swing up and down through the rotation of the transverse limiting rod 213.

In addition, one side of the filling station far away from the transfer station is also provided with a filling positioning plate fixedly connected with the frame, and the container pushed by the pushing mechanism is blocked by the filling positioning plate, so that the container is stopped at the filling station.

Before the PET wine barrels are cleaned, the longitudinal limiting rods 214 can be controlled to swing downwards to be in a horizontal state, so that the longitudinal limiting rods 214 are blocked between the transfer station and the filling station, the PET wine barrels conveyed by the warehousing conveyor belt 16 can stay at the same position every time, and the PET wine barrels of the same batch can be kept in close arrangement, so that the PET wine barrels can be conveniently positioned by the clamping mechanism. And after the PET cask washs the end, then steerable vertical gag lever post 214 upwards swings to vertical state to let out the action space between transfer station and the filling station, make that pushing mechanism can be smooth with the PET cask from transfer station translation propelling movement to the filling station support on the filling locating plate, and, owing to be the translation propelling movement at the propelling movement in-process, consequently, after the propelling movement at every turn, same batch of PET cask will also be in on the same position, so that the location to the PET cask during the filling.

Specifically, the horizontal limiting rod 213 penetrates two fixing bases 215 fixedly connected to the frame, so that the horizontal limiting rod 213 can rotate around its axis in a reciprocating manner.

The rotary driving mechanism comprises a limiting cylinder 211, a connecting rod 212 and a second fixing seat 216, the second fixing seat 216 is fixedly connected to the rack, one end of the limiting cylinder 211 is hinged to the second fixing seat 216, one end of the connecting rod 212 is hinged to a cylinder rod of the limiting cylinder 211, the other end of the connecting rod is fixedly connected with the transverse limiting rod 213, and the transverse limiting rod 213 is driven to rotate around the axis of the transverse limiting rod 213 in a reciprocating mode through extension or shortening of the limiting cylinder 211. Further, the transverse limiting rod 213 is perpendicular to the plane of the rotation driving mechanism. Therefore, the connecting rod 212 is directly driven to swing back and forth along with the extension or shortening of the limiting cylinder 211, so that the transverse limiting rod 213 is driven to rotate back and forth around the axis of the transverse limiting rod 213, the longitudinal limiting rod 214 is driven to swing up and down, and the limiting effect is achieved between the transfer station and the filling station.

Clamping mechanism connected to turnover mechanism in cleaning and filling bin

Most of clamping mechanisms in the prior art are directed at small glass bottles or small pop cans, and cannot clamp PET wine barrels quickly, accurately and stably, so that the clamping mechanism after the following optimal design is further provided.

As shown in fig. 10, the gripping mechanism has three so as to simultaneously perform gripping operation on three batches of PET wine barrels.

As shown in fig. 16-20, the clamping mechanism 26 includes a base 261, a clamping cylinder 262, an expansion joint 263, a pair of driving links 264 and a pair of clamping jaws 265, the root of the base 261 is fixedly connected to the turning shaft 25, the clamping cylinder 262 is fixedly connected to the base 261, and the expansion joint 263 is fixedly connected to the rod of the clamping cylinder 262;

the root of a pair of the clamping jaws 265 is hinged on the front part of the base 261, and the pair of clamping jaws 265 is symmetrically arranged along the center line of the clamping cylinder 262, one end of the driving link 264 is hinged on the clamping jaws 265, and the other end of the driving link 264 is simultaneously hinged with the expansion joint 263. When the clamping device is used, the clamping cylinder 262 is extended or shortened, and the pair of clamping jaws 265 are driven to synchronously open or close through the expansion joint 263 and the pair of driving connecting rods 264. Like this, after the PET cask is transported the transfer station, can control a pair of clamping jaw earlier and open and make whole fixture 26 overturn downwards, treat when a pair of clamping jaw is in the both sides of treating the clamping position, open centre gripping cylinder 262 and make a pair of clamping jaw close together in step to the bung hole of PET cask is cliied to stability, efficient. Has the advantages of stable structure, high action efficiency, good clamping effect and the like.

The expansion joint 263 is sleeved on the rod of the clamping cylinder 262, and the expansion joint 262 is connected with the rod of the clamping cylinder 262 through threads. Thereby making the relative position of the expansion joint 263 and the rod of the clamp cylinder 262 adjustable.

In practical use, the clamping jaw is in a sheet shape, so that the clamping jaw needs to maintain good form stability during clamping and good connection stability with the base. The shape stability of the clamping jaw can be solved by selecting a metal material with higher strength, and the connection stability between the clamping jaw and the base needs to be solved by the following optimization measures.

The front part of the base 261 is further provided with a supporting block 266, the bottom surface of the supporting block 266 is completely attached to the base 261, the pair of clamping jaws 265 is pressed on the top surface of the supporting block 266 through a first bolt, and a bushing is sleeved on the outer wall of the first bolt. Therefore, the clamping jaw can freely rotate around the first bolt, and can be kept attached to the top surface of the supporting block as far as possible under the action of the first bolt, so that the connection stability between the clamping jaw and the base is remarkably improved in a mode of increasing the contact area.

The clamping jaw 265 is L-shaped, the clamping jaw 265 is connected with the driving connecting rod 264 through a second bolt, and a bushing is sleeved on the outer wall of the second bolt, so that a hinged structure of the clamping jaw and the driving connecting rod is realized, and the distance between the second bolt and the first bolt is smaller than the length of the driving connecting rod 264. Thereby drive the clamping jaw through a longer drive connecting rod, actual working stroke when can effectively reduce centre gripping cylinder and use to make the clamping jaw have the advantage of action efficiency height, action speed piece.

An arc-shaped clamping groove is formed in one side, facing the position of the center line of the clamping cylinder 262, of the clamping jaw 265, and the front portion of the clamping groove is arc-shaped and matched with the outer diameter of the opening of the container.

The container is a PET wine barrel, a convex ring used for connecting a wine lance is arranged on the outer wall of a barrel opening of the PET wine barrel, and the thickness of the clamping jaw 265 is smaller than the distance between the convex ring and the barrel body of the PTE wine barrel. Thereby ensure that the clamping jaw can stretch into between bulge loop and the ladle body, carry out stable centre gripping to the bung hole of PET cask.

A stroke sensor is mounted on the clamping cylinder 262. Therefore, the actual stroke of the cylinder rod of the clamping cylinder can be detected by the stroke sensor so as to judge whether the clamping of the PET wine barrel is in place.

Cleaning cabin in cleaning filling cabin

At present, as the inner wall of the PET cask directly contacting with beer, before filling beer into the PET cask, the interior of the PET cask needs to be cleaned, so as to better realize the purpose of aseptic filling. However, most of the traditional cleaning devices can only clean the PET wine casks with the steel casks, and the PET wine casks have different structures of wine lances from the steel casks, so that the traditional cleaning devices cannot be well applied to cleaning of the PET wine casks. Particularly, the wine spear of PET cask is mostly as "a wine spear and be equipped with the cask of this wine spear" like a chinese utility model patent that 9 month 8 th announced in 2020, application number is "201921996860. X", this type of wine spear also calls the wine spear, when going out the wine sealing washer and pressing in to the inside direction of PET cask, the wine spear is in the open mode, at this moment, inside and the outside of going out the wine pipe have two passageways respectively, in the wine process of going out, can fill the gas in the PET cask through external passage and carry out the pressure boost, make beer outwards flow out from internal passage through going out the wine pipe. Like this, if need wash PET cask inside, just need to make the washing liquid can flow to the barrel head of PET cask from the inside passageway of wine lance and play wine pipe to can outwards flow out through the outside passageway of wine lance after wasing, these technical content need not to consider in the cleaning process of steel drum.

Therefore, how to make the cleaning solution smoothly enter the PET wine barrel and smoothly discharge the cleaning solution after cleaning is a technical problem that needs to be solved by those skilled in the art.

As shown in fig. 13, a cleaning valve 221 located below the cleaning station and a container pressing plate 222 located above the cleaning station are arranged in the cleaning bin 22, the container pressing plate 222 is connected to the top of the cleaning bin 22 through a downward air cylinder 223, and the container pressing plate 222 is controlled to reciprocate by the downward air cylinder 223;

As shown in figure 10, the cleaning valve and the container pressing plate are respectively provided with three cleaning valves, so that three batches of PET wine barrels can be cleaned simultaneously.

Therefore, after the PET wine barrel is turned over by the turning mechanism and placed in the cleaning station in an inverted mode, the wine lance is naturally abutted with the cleaning valve, and then the pressing cylinder 223 is opened, so that the container pressing plate 222 downwards presses the inverted PET wine barrel, and accidental actions of the PET wine barrel in the cleaning process are avoided; afterwards, open the purge valve and force the play wine sealing washer in the wine lance upwards to open for the inside passage of inlet channel intercommunication wine lance lets the inside passage of cleaning solution through the wine lance and goes out the wine pipe and fill into to the PET cask, meanwhile, because the outside passage of liquid outlet channel intercommunication wine lance, the outside discharge that the outside passage that consequently cleaning solution also can pass through the wine lance in the PET cask is smooth, thereby realized the high-efficient washing to the PET cask of inversion, as shown in fig. 34. The cleaning machine has the advantages of good use effect, stable work, high cleaning efficiency and the like.

As shown in fig. 21-23, the cleaning valve 221 includes a cleaning valve body 2211, a cleaning valve base 2212, a cleaning valve core 2213 and a cleaning cylinder 2214, the cleaning cylinder 2214 and the cleaning valve body 2211 are fixedly connected to the frame, the liquid outlet channel is opened in the cleaning valve body 2211, the cleaning valve core 2213 is inserted into the liquid outlet channel, the bottom end of the cleaning valve core 2213 is fixedly connected to the cylinder rod of the cleaning cylinder 2214, and the cleaning valve core 2213 is driven by the cleaning cylinder 2214 to reciprocate relative to the cleaning valve body 2211; the liquid inlet channel is formed in the cleaning valve core 2213;

wash case 2213's top have with the wine lance apical ring of the play wine sealing washer adaptation in the wine lance, wash valve body 2211's top have with the wine lance storage tank of wine lance outer wall adaptation, wine lance storage tank and liquid outlet channel intercommunication, the wine lance apical ring is in inlet channel's apical opening department, promptly wash valve body 2211, the top of wasing case 2213 all is open form, wash valve base 2212 fixed connection is in liquid outlet channel's end opening department, wash valve base 2212 cup joints wash case 2213 to keep moving seal between the two. Like this, the wine lance and the purge valve butt joint on the PET wine barrel to after the PET wine barrel is pushed down by container clamp plate 222 is stable, can open and wash cylinder 2214 and order to wash case 2213 upward movement, thereby upwards jack-up goes out the wine sealing washer, makes the inlet channel of washing inside case 2213 and the inside passageway of wine lance keep communicating, and the liquid outlet channel outside washing case 2213 then keeps communicating with the outside passageway of wine lance.

The purge valve base 2212 is kept in dynamic seal with the purge valve cartridge 2213 by a bellows seal structure I. Therefore, the dynamic sealing effect is better realized by the corrugated pipe sealing structure.

Specifically, the first bellows sealing structure includes a first bellows 2215 and a first positioning sleeve 2216, the first positioning sleeve 2216 is arranged between the cleaning valve base 2212 and the cleaning valve core 2213 in an expanding manner, the first bellows 2215 is arranged at the bottom of the liquid outlet channel and is sleeved with the cleaning valve core 2213, the top end of the first bellows 2215 is fixedly connected to the outer wall of the cleaning valve core 2213, and the bottom end of the first bellows 2215 is fixedly connected with the first positioning sleeve 2216. Therefore, the first corrugated pipe 2215 contracts or expands along with the linear reciprocating motion of the cleaning valve core 2213 in the using process, so that an efficient sealing state is kept at all times, the sealing effect is good, and the service life is long.

The cleaning valve core 2213 and the liquid outlet channel are coaxial. Thereby making overall structure more exquisite, also more stable.

In connection with cleaning filling silos

The filling equipment of steel drum is being used along mostly to the filling equipment of current PET cask, adopt the form of inversion filling, it is simpler also more convenient to invert the filling to the steel drum, nevertheless be not fit for filling to the PET cask, its main factor is that the structural strength of PET cask self can be far less than the steel drum, if adopt the inversion filling, along with the continuous pouring into of beer, the stack shell is very easily crooked to appear, the bending appears even, press the problem of disconnected bung hole, consequently, need design extra stack shell and support the mechanism, not only the structure is complicated, the design cost is high, the cooperative control of each equipment also is a big problem.

In addition, when inversion filling, still need set up at the barrel head of PET cask and push down equipment, otherwise can't push up the wine lance for relative motion appears in the play wine sealing washer in the wine lance unable and PET cask, and this undoubtedly also brings very big extra cost for inversion filling equipment.

As shown in fig. 24 to 33, a filling valve 231 connected above the filling station is disposed in the filling bin 23, the filling valve 231 includes an upper cylinder 2311, an outer connecting rod 2312, a filling valve body 2313, an inner connecting rod 2314, a lower cylinder 2315, a filling valve core 2316 and a filling valve base 2317, the upper cylinder 2311 is fixedly connected above the filling station, the filling valve body 2313 is disposed below the upper cylinder 2311 and is fixedly connected with a cylinder rod of the upper cylinder 2311 through the outer connecting rod 2312, so that the filling valve body 2313 can perform reciprocating lifting movement under the driving of the upper cylinder 2311; the lower cylinder 2315 is fixedly connected above the filling valve body 2313 through an inner connecting rod 2314, the filling valve core 2316 penetrates through the filling valve body 2313, and the top end of the filling valve core 2316 is fixedly connected with a cylinder rod of the lower cylinder 2315, so that the filling valve core 2316 can be driven by the lower cylinder 2315 to reciprocate relative to the filling valve body 2313;

As shown in fig. 10, the filling valves have three valves, so that three batches of PET barrels are filled simultaneously.

The bottom of filling valve body 2313 has the wine lance pressure tank with the adaptation of wine lance outer wall, the bottom of filling case 2316 has the wine lance clamping ring with the play wine sealing washer adaptation in the wine lance, the wine lance pressure tank communicates with exhaust passage, the wine lance clamping ring is in annotating the end opening department of wine passageway. When the filling valve body 2313 descends under the effect of last cylinder 2311 and docks with the wine lance, the wine lance indent will cover and establish on the wine lance, and when the filling case 2316 descends under the effect of lower cylinder 2315, then accessible wine lance clamping ring is backed down the wine lance sealing washer of opening for annotate the inside passageway that the wine passageway can communicate the wine lance afterwards, and exhaust passage can communicate the outside passageway of wine lance.

The beer filling channel is connected with beer to be filled through a beer filling interface, and the exhaust channel is connected with exhaust gas collecting equipment through an exhaust interface.

During the use, need wait for the PET cask after being washd to get into the filling station, afterwards, can drive filling valve body 2313, internal link 2314, lower cylinder 2315, filling valve core 2316 through last cylinder 2311 earlier and descend in step to make the stable cover of wine lance indent establish on the wine lance, accomplish the butt joint of filling valve body 2313 and wine lance. Thereafter, the filling valve body 2313 is moved downward relative to the filling valve body 2316 by the lower cylinder 2315, so that the wine lance sealing ring is pushed downward by the wine lance pressing ring, the inner channel of the wine lance can be communicated with the wine filling channel on the inner side of the filling valve body, and the outer channel of the wine lance can be communicated with the exhaust channel on the outer side of the filling valve body. Therefore, as shown in fig. 35, the PET wine barrel can be efficiently, stably and aseptically filled, and in the filling process, because the PET wine barrel is always in the upright state, various defects of inverted filling can be avoided, the filling effect is good, and other supporting or clamping equipment is not needed for assistance.

The filling valve further comprises a guide mechanism, the guide mechanism comprises a mounting seat 2321, a guide rod 2322, an upper fixing plate 2323 and a lower fixing plate 2324, the mounting seat 2321 is fixedly connected to the rack and is sleeved with the filling valve body 2313; therefore, the filling valve body can make a more stable linear reciprocating motion under the driving of the upper cylinder, and the tracking performance is better;

the upper fixing plate 2323 is fixedly connected to the cylinder body of the upper cylinder 2311, the upper fixing plate 2323 is fixedly connected to the mounting seat 2321 through the guide rod 2322, the lower fixing plate 2324 is fixedly connected to the lower cylinder 2315, the lower fixing plate 2324 is further sleeved on the guide rod 2322 and is slidably connected to the guide rod, and the upper cylinder 2311, the lower cylinder 2315, the guide rod 2322, the filling valve core 2316 and the filling valve body 2313 are all vertically arranged. Like this, can carry out stable direction at the in-process of the synchronous up-and-down motion of filling valve body 2313, internal connection rod 2314, lower cylinder 2315, filling case 2316 through guiding mechanism for the operation of equipment has better stability and reliability, thereby ensures that stable, the accurate cover of wine lance indent is established on the wine lance.

The filling valve base 2317 is in dynamic seal with the filling valve core 2316 through a bellows seal structure II. Therefore, the dynamic sealing effect is better realized by the corrugated pipe sealing structure.

Specifically, the second bellows sealing structure comprises a second bellows 2331 and a second positioning sleeve 2332, the second positioning sleeve 2332 is arranged between the filling valve base 2317 and the filling valve core 2316 in an expanding mode, the second bellows 2331 is arranged at the top of the exhaust channel and is sleeved with the filling valve core 2316, the bottom end of the second bellows 2331 is fixedly connected to the outer wall of the filling valve core 2316, and the top end of the second bellows 2332 is fixedly connected with the second positioning sleeve 2332. Therefore, the second bellows 2331 contracts or expands along with the linear reciprocating motion of the filling valve core 2316 in the using process, so that an efficient sealing state is kept at all times, the sealing effect is good, and the service life is long.

The filling valve core 2316 is coaxial with the exhaust channel. Thereby making overall structure more exquisite, also more stable.

While the invention has been described in terms of its preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The sterile filling machine is characterized by comprising an inlet buffer bin (1), a cleaning filling bin (2), an outlet buffer bin (3) and a fan filter unit (4), wherein the inlet buffer bin (1) and the outlet buffer bin (3) are respectively and fixedly connected to an inlet and an outlet of the cleaning filling bin (2); a feeding channel is arranged in the inlet buffering bin (1), a discharging channel is arranged in the outlet buffering bin (3), and a container to be filled enters the cleaning and filling bin (2) through the feeding channel and is discharged outwards through the discharging channel after filling is finished;

the fan filter unit (4) is arranged on the cleaning and filling bin (2), and after ambient air is filtered and pressurized through the fan filter unit (4), a sterile positive pressure environment is provided for the cleaning and filling bin (2);

all fixedly connected with division board (5) on the inner wall of import surge bin (1) and export surge bin (3), the outside of division board (5) is filled up feed channel or discharging channel to set up the container passageway that can supply the container to come in and go out in division board (5).

2. An aseptic filling machine as defined in claim 1 wherein said container path conforms to the shape of the container and is spaced from the outer wall of the container as the container passes through the container path.

3. An aseptic filling machine as defined in claim 1, characterized in that a plurality of partition plates (5) are fixedly connected to the inner walls of the inlet surge bin (1) and the outlet surge bin (3), the plurality of partition plates (5) being arranged vertically.

4. An aseptic filling machine as defined in claims 1-3, characterized in that the inlet surge bin (1) doubles as a lance press-fitting mechanism, which comprises a feeding conveyor (16), an assembling mechanism, a front catch barrel cylinder (14) and a rear catch barrel cylinder (15);

the front barrel blocking cylinder (14) and the rear barrel blocking cylinder (15) are respectively arranged on the front side and the rear side above the bin feeding conveying belt (16) and are fixedly connected to the side wall of the inlet buffer bin (1), a cylinder rod of the front barrel blocking cylinder (14) and a cylinder rod of the rear barrel blocking cylinder (15) can extend into or withdraw from an area above the bin feeding conveying belt (16), and a wine spear press-mounting station is formed between the front barrel blocking cylinder (14) and the rear barrel blocking cylinder (15);

assembly devices establishes the top at wine lance pressure equipment station, assembly devices is including assembling cylinder (11) and pressure disk (12), assembly cylinder (11) fixed connection is at the top of import surge bin (1), pressure disk (12) fixed connection is in the bottom of assembling cylinder (11) to be rectilinear elevating movement under the drive of assembling cylinder.

5. An aseptic filling machine as defined in claims 1-3, characterized in that a delivery conveyor (31) is provided in the outlet buffer bin (3), and delivery side baffles (32) fixedly connected in the outlet buffer bin (3) are provided on both sides above the delivery conveyor (31).

6. An aseptic filling machine as defined in claims 1-3, characterized in that said cleaning filling magazine (2) comprises a transfer magazine (21), a cleaning magazine (22) and a filling magazine (23), one end of an in-feed conveyor (16) extending into said transfer magazine (21) and one end of an out-feed conveyor (31) extending into said filling magazine (23);

the transfer bin (21) is internally provided with a transfer station, the cleaning bin (22) is internally provided with a cleaning station, and the filling bin (23) is internally provided with a filling station; one end of the warehouse inlet conveying belt (16) extends into the position below the transfer station, and one end of the warehouse outlet conveying belt (31) extends into the position below the filling station;

7. An aseptic filling machine as claimed in claim 6, characterized in that said gripping mechanism (26) comprises a base (261), a gripping cylinder (262), an expansion joint (263), a pair of driving links (264) and a pair of jaws (265), the base (261) being fixedly connected at its root to the turning shaft (25), the gripping cylinder (262) being fixedly connected to the base (261), the expansion joint (263) being fixedly connected to the rod of the gripping cylinder (262);

the root parts of the pair of clamping jaws (265) are hinged at the front part of the base (261), the pair of clamping jaws (265) are symmetrically arranged along the central line of the clamping cylinder (262), one end of the driving connecting rod (264) is hinged on the clamping jaws (265), and the other ends of the pair of driving connecting rods (264) are simultaneously hinged with the telescopic joint (263);

the telescopic joint (263) is sleeved on the cylinder rod of the clamping cylinder (262), and the telescopic joint (262) is in threaded connection with the cylinder rod of the clamping cylinder (262).

8. The sterile filling machine as recited in claim 6, characterized in that a cleaning valve (221) below the cleaning station and a container pressing plate (222) above the cleaning station are arranged in the cleaning bin (22), the container pressing plate (222) is connected to the top of the cleaning bin (22) through a pressing cylinder (223), and the container pressing plate (222) is controlled to do reciprocating lifting motion through the pressing cylinder (223);

the cleaning valve (221) is internally provided with a liquid inlet channel and a liquid outlet channel;

a cleaning valve (221) is used for forcing a wine outlet sealing ring in the wine lance to be opened upwards, so that a liquid inlet channel is communicated with an inner channel of the wine lance, and a liquid outlet channel is communicated with an outer channel of the wine lance;

9. An aseptic filling machine as defined in claim 6, characterized in that said filling chamber (23) is provided with a filling valve (231) connected above the filling station, said filling valve (231) comprising an upper cylinder (2311), an outer connecting rod (2312), a filling valve body (2313), an inner connecting rod (2314), a lower cylinder (2315), a filling valve spool (2316) and a filling valve base (2317), said upper cylinder (2311) being fixedly connected above the filling station, said filling valve body (2313) being provided below the upper cylinder (2311) and being fixedly connected to the cylinder rod of the upper cylinder (2311) through the outer connecting rod (2312); the lower cylinder (2315) is fixedly connected above the filling valve body (2313) through an inner connecting rod (2314), the filling valve core (2316) penetrates through the filling valve body (2313), and the top end of the filling valve core (2316) is fixedly connected with a cylinder rod of the lower cylinder (2315);

an exhaust channel is formed in the filling valve body (2313), a wine filling channel is formed in the filling valve core (2316), the filling valve core (2316) penetrates through the exhaust channel, the filling valve base (2317) is fixedly connected to the top opening of the exhaust channel, the filling valve base (2317) is sleeved with the filling valve core (2316), and the filling valve base (2317) and the filling valve core (2316) are kept in dynamic sealing.