CN216995084U - Electronic filling valve for pop-top can - Google Patents

Abstract

The utility model discloses an electronic filling valve for pop cans, which comprises a cylinder control valve component, a module control valve, a filling valve component and a centering device arranged on the filling valve component, wherein a shifting sleeve is arranged at the lower part of the cylinder control valve component; the filling valve component comprises a liquid valve, a valve core, a valve seat and a valve sleeve arranged on the valve seat, and a cavity is formed between the valve seat and the valve sleeve; the upper part of the liquid valve is provided with a sleeve, and an inflation valve rod is arranged in the sleeve; one side of the valve seat is provided with a separating flange, the module control valve is arranged on the valve sleeve and fixed through the separating flange, the module control valve comprises a module valve sleeve and a module valve seat, and an upper independent cavity and a lower independent cavity which are not communicated with each other are formed after the module valve sleeve and the module valve seat are arranged. According to the utility model, a cylinder control valve assembly and a module control valve are adopted to replace a thumb wheel assembly and a vacuum pressure relief valve of a traditional mechanical filling valve and a thumb wheel assembly switch valve device is cancelled; and a vacuum guide rail device and a pressure relief guide rail device are eliminated, so that the stability of the filling effect is ensured.

Description

Electronic filling valve for pop-top can

Technical Field

The utility model relates to the technical field of filling equipment, in particular to an electronic filling valve for a pop can.

Background

A filling valve is used for filling various materials containing gas liquid and not containing gas liquid into various packaging containers such as bottles, filling boxes, barrels or bags, and the like. Therefore, the filling technology is widely applied to the automated filling production of pharmaceutical, daily chemical, food and special industrial factories. To complete the filling, the filling valve is an essential and important part,

traditional mechanical valve filling principle:

1. bottle feeding device

2. Lifting the bottle supporting cylinder;

3. the bottle and the bottle mouth sealing pad of the filling valve form a sealed whole;

4. primary vacuum pumping (a vacuum valve rod of a vacuum pressure release valve is opened through a vacuum guide rail device);

5. primary back pressure (the valve opening and closing are controlled by a thumb wheel assembly valve opening device and a valve closing device);

6. secondary vacuum pumping (opening a vacuum valve rod of a vacuum pressure release valve through a vacuum guide rail device);

7. secondary back pressure (the valve opening and closing are controlled by a thumb wheel component valve opening device and a valve closing device);

8. filling;

9. standing after filling;

10. forcibly closing (forcibly closing the valve through a valve closing device of the thumb wheel assembly);

11. a pressure relief process (opening a pressure relief valve rod of the vacuum pressure relief valve through a pressure relief guide rail device);

12. finishing filling;

13. blowing residual liquid of the air return pipe;

the disadvantages are as follows: the mechanical filling valve is controlled to be switched on and off through devices such as a thumb wheel assembly, a pressure relief guide rail device and a vacuum guide rail device, the stability of the filling effect of the mechanical filling valve is poor in the filling process, the filling precision is not high, and the mechanical filling valve needs to be maintained frequently.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the electronic filling valve for the pop-top can, which adopts the cylinder control valve component and the module control valve to replace a thumb wheel component and a vacuum pressure release valve of the traditional mechanical filling valve and cancel a thumb wheel component switching valve device, cancels a vacuum guide rail device and a pressure release guide rail device and ensures the stability of the filling effect.

In order to achieve the purpose, the electronic filling valve of the pop can in the technical scheme comprises a cylinder control valve component, a module control valve, a filling valve component and a centering device arranged on the filling valve component, wherein a shifting sleeve is arranged at the lower part of the cylinder control valve component; the filling valve assembly comprises a liquid valve, a valve core, a valve seat and a valve sleeve arranged on the valve seat, a cavity is formed between the valve seat and the valve sleeve, the lower part of the valve core is fixedly arranged in the cavity, the upper part of the valve core extends out of the valve sleeve, the liquid valve is sleeved outside the valve core, and the lower part of the liquid valve is positioned in the cavity at the upper part of the valve core and can move up and down in the cavity; the upper part of the liquid valve is provided with a sleeve, and an inflation valve rod is arranged in the sleeve; the upper end of the valve core is provided with a connecting sleeve, and one end of the connecting sleeve extends out of the liquid valve and is positioned in the sleeve; an air channel is arranged in the valve core, and the lower end of the air channel is connected with an exhaust pipe; the lower part of the inflation valve rod passes through the connecting sleeve to be contacted with the valve core, and the front end of the inflation valve rod is matched with the air channel opening at the front end of the valve core; the lower part of the valve seat comprises a filling opening and a spacer arranged above the filling opening, the exhaust pipe penetrates through the spacer and is provided with an air pipe sleeve, and the exhaust pipe extends out of the filling opening; the improved valve is characterized in that a separating flange is arranged on one side of the valve seat, the module control valve is installed on the valve sleeve and fixed through the separating flange, the module control valve comprises a module valve sleeve and a module valve seat, an upper independent cavity and a lower independent cavity which are not communicated with each other are formed after the module valve sleeve and the module valve seat are installed, and piston valve assemblies are arranged in the upper independent cavity and the lower independent cavity.

Further, a lower liquid outlet is formed in the lower portion of the valve core, and the lower end of the liquid valve is matched with the lower liquid outlet and is located above the lower liquid outlet to close or open the lower liquid outlet; the lower end of the liquid valve is also provided with a liquid valve pad; and an air outlet is formed in the sleeve.

Further, a liquid inlet hole is formed in the liquid valve, and the liquid inlet hole, the lower liquid opening and the filling opening are communicated; the exhaust pipe, the gas channel and the gas outlet are communicated.

Further, a first air passage is arranged on the valve sleeve, and an air passage opening communicated with the first air passage is arranged on the valve core; a second air passage communicated with the first air passage is arranged on the valve seat of the module valve; and the module valve seat is also provided with a vacuumizing port communicated with the upper independent cavity and a pressure relief port communicated with the lower independent cavity.

Further, the piston valve assembly comprises a piston rod, and an insert and a leather cap which are arranged at two ends of the piston rod; one end of the piston rod penetrates through the plug-in unit and is sleeved with a diaphragm, and the edge of the diaphragm is fixed at the closed position of the plug-in unit and the inner wall of the valve seat of the module valve; the other end of the piston rod penetrates through the leather cap and is sleeved with a displacer; the piston rod between the plug-in and the leather cap is sleeved with a second spring, and the module valve sleeve is provided with quick connectors which are respectively connected with an upper independent cavity and a lower independent cavity.

Furthermore, the vacuumizing port, the upper independent cavity, the second air passage, the first air passage, the air passage port and the filling port are communicated; the pressure relief port, the lower independent cavity, the second air passage, the first air passage, the air passage port and the filling port are communicated.

Furthermore, the centering device comprises two parallel lever arms arranged in parallel, a half clamp connected with the parallel lever arms and a cylinder arranged on the parallel lever arms; one end of the half clamp is provided with a connecting flange, the connecting flange is mounted on the slicing flange, the connecting flange is provided with a roller, the half clamp is mounted on a valve seat, the valve seat is provided with a C-shaped frame matched with the half clamp, the air cylinder comprises a cylinder sleeve and a piston mounted in the cylinder sleeve, an O-shaped sealing ring is arranged between the cylinder sleeve and the piston, the lower part of the piston is provided with a guide groove, and the parallel lever arm is provided with a guide block which can be mounted in the guide groove; the device comprises a cylinder sleeve, a cylinder sleeve and a roller, and is characterized in that a connecting pipe is arranged on the upper portion of the cylinder sleeve, a T-shaped pipe communicated with the connecting pipe is connected to the connecting pipe, a fulcrum bolt is arranged at the top of the cylinder sleeve, a second small shaft is arranged at the other end of the parallel lever arm, the roller is arranged between the parallel lever arms on one side of the second small shaft, a fixing bolt is arranged on the roller, and a bushing is arranged on the fixing bolt.

Further, the cylinder control valve assembly comprises an upper cover, a lower cover and a cylinder sleeve arranged between the upper cover and the lower cover, the upper cover, the lower cover and the cylinder sleeve form a closed air cavity, a pneumatic piston is arranged in the air cavity, a first spring is arranged on the pneumatic piston, a cylinder joint is arranged on the upper cover, a corrugated pipe is connected to the lower portion of the lower cover, one end, extending out of the lower cover, of the pneumatic piston extends into the corrugated pipe, and the lower portion of the corrugated pipe is connected with the shifting sleeve.

Furthermore, in order to ensure the whole sealing performance of the filling valve, a Y-shaped sealing ring is arranged between the valve seat and the valve sleeve, and a belt-shaped bearing is also arranged between the valve seat and the valve sleeve on the upper part of the Y-shaped sealing ring; an O-shaped sealing ring is arranged between the module control valve and the valve sleeve; a belt bearing is arranged between the valve core and the valve seat; an O-shaped sealing ring is arranged at the position where the liquid valve penetrates through the valve sleeve; an O-shaped sealing ring is arranged between the valve core and the valve sleeve, and the valve core is fixedly arranged on the valve sleeve through a screw; the valve core is provided with an O-shaped ring, a pressure spring is sleeved on the valve core, one end of the pressure spring is arranged on the O-shaped ring, and the other end of the pressure spring is propped against the inner top wall of the liquid valve; an O-shaped sealing ring is arranged between the liquid valve and the sleeve, and the position where the sleeve is in contact with the connecting sleeve is provided with the O-shaped sealing ring; and the filling opening is provided with a centering sleeve and a tank opening sealing gasket.

Furthermore, a compression spring is arranged between the sleeve and the shifting sleeve, the upper end of the inflation valve rod extends out of the sleeve and is connected with the shifting sleeve, and the inflation valve rod is installed on the shifting sleeve through a straight screw.

The utility model has the beneficial effects that: an electronic filling valve for pop-top can, the utility model mainly aims to replace the traditional mechanical filling valve with a cylinder control valve component and a module control valve, and cancel a shifting wheel component valve opening device and a valve closing device; a vacuum guide rail device and a pressure relief guide rail device are eliminated, and a module control valve and a cylinder control valve component are adopted to complete the operation of the whole filling process, so that the stability of the filling effect is ensured.

Drawings

For ease of illustration, the present invention is described in detail by the following preferred embodiments and the accompanying drawings.

Fig. 1 is a schematic left-side perspective view of an electronic filling valve for a pop can according to the present invention;

fig. 2 is a schematic cross-sectional structure diagram of a control valve, a filling valve assembly and a centering device of an electronic filling valve module of a pop can;

fig. 3 is a structural diagram of a filling process in a filling valve assembly of an electronic filling valve for a pop can according to the present invention;

fig. 4 is a schematic structural view of a filling valve assembly in an electronic filling valve for a can of the present invention when closed;

fig. 5 is a schematic structural view of a filling valve assembly in an electronic filling valve for a pop can of the utility model;

fig. 6 is a schematic structural view of a cylinder control valve assembly in an electronic filling valve for a pop can of the present invention;

FIG. 7 is a schematic structural diagram of a module control valve in the electronic filling valve of the pop can;

fig. 8 is a schematic diagram of a right-side perspective structure of an electronic filling valve for a pop can of the present invention.

In the figure: the device comprises a cylinder control valve component 1, a shifting sleeve 11, a compression spring 111, an upper cover 12, a lower cover 13, a cylinder sleeve 14, an air cavity 15, a pneumatic piston 16, a U-shaped sealing ring 161, a cylinder joint 17, a corrugated pipe 18, a first spring 19, a module control valve 2, a module valve sleeve 21, a module valve seat 22, a second air channel 221, a vacuumizing port 222, a pressure relief port 223, an upper independent cavity 23, a lower independent cavity 24, a piston valve component 25, a piston rod 251, an insert 252, a leather cap 253, a diaphragm 254, a replacer 255, a second spring 256, a quick connector 26, a filling valve component 3, a liquid valve 31, a liquid valve pad 311, a liquid inlet hole 312, a valve core 32, an air channel 321, a diaphragm 322, a lower liquid inlet 323, an air channel port 324, a pressure spring 325, a valve seat 33, a filling port 331, a diaphragm flange 332, an air pipe sleeve 333, a centering sleeve 334, a tank port sealing gasket, a valve sleeve 335, a valve sleeve 34, a first air channel 341, a cavity 35, a bellows 17, a bellows 18, a first spring 19, a second spring 19, a bellows, a piston, a bellows, The device comprises a sleeve 36, an air outlet 361, an inflation valve rod 37, a valve needle sealing gasket 372, a straight screw 371, a connecting sleeve 38, an exhaust pipe 39, a centering device 4, a parallel lever arm 41, a guide block 411, a small shaft 412, a half clamp 42, a connecting flange 421, a roller 424, a cylinder 43, a cylinder sleeve 431, a piston 432, a guide groove 433, a fulcrum bolt 434, a connecting pipe 44, a T-shaped pipe 45, a roller 46, a fixing bolt 461, a bushing 462, a C-shaped frame 5, an O-shaped sealing ring 6, an O-shaped sealing ring 61, a Y-shaped sealing ring 7, a strip bearing 8, a screw 9 and a liquid tank 10.

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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

An electronic filling valve for a can according to the present invention is further described with reference to the accompanying drawings:

as shown in fig. 1-7, an electronic filling valve for pop-top can comprises a cylinder control valve assembly 1 for controlling a filling valve assembly, a module control valve 2 for realizing vacuum pumping, back pressure and pressure relief, a filling valve assembly 3 for controlling filling, and a centering device 4 installed on the filling valve assembly 3, wherein the cylinder control valve assembly 1 comprises an upper cover 12, a lower cover 13, and a cylinder sleeve 14 installed between the upper cover 12 and the lower cover 13, the upper cover 12, the lower cover 13, and the cylinder sleeve 14 form a closed air cavity 15, a pneumatic piston 16 is arranged in the air cavity 15, a first spring 19 is arranged on the pneumatic piston 16, a U-shaped sealing ring 161 is arranged between the pneumatic piston 16 and the cylinder sleeve, the upper cover 12 is provided with a cylinder joint 17, the lower part of the lower cover 13 is connected with a corrugated tube 18, one end of the pneumatic piston 16 extending out of the lower cover 13 extends into the corrugated tube 18, and the lower part of the corrugated tube 18 is connected with a dial sleeve 11, the lower part of the cylinder control valve component 1 is provided with a shifting sleeve 11;

the filling valve assembly 3 comprises a liquid valve 31, a valve core 32, a valve seat 33 and a valve sleeve 34 arranged on the valve seat 33, a Y-shaped sealing ring 7 is arranged between the valve seat 33 and the valve sleeve 34, and a strip-shaped bearing 8 is arranged between the valve seat 33 and the valve sleeve 34 at the upper part of the Y-shaped sealing ring 7 to ensure the sealing performance; a liquid inlet hole 312 is formed in a part, located in the liquid cylinder 10, of the liquid valve 31, a cavity 35 is formed between the valve seat 33 and the valve sleeve 34, the lower portion of the valve element 32 is fixedly installed in the cavity 35, a strip-shaped bearing 8 is arranged between the valve element 32 and the valve seat 33, an O-shaped sealing ring 6 is arranged between the valve element 32 and the valve sleeve 34, the valve element 32 is fixedly installed on the valve sleeve 34 in the cavity through a screw 9, the upper portion of the valve element 32 extends out of the valve sleeve 34, the liquid valve 31 is sleeved outside the valve element 32, an O-shaped ring 61 for limiting is arranged on the valve element 32, a pressure spring 325 is further sleeved on the valve element 32, one end of the pressure spring 325 is arranged on the O-shaped ring 61, and the other end of the pressure spring abuts against the inner top wall of the liquid valve 31, and the pressure spring can provide an extra upward force for the liquid valve because the valve element is fixed, so as to ensure that the liquid valve can be normally opened; the liquid valve 31 penetrates through the valve sleeve 34 and is provided with an O-shaped sealing ring 6, the lower part of the liquid valve 31 is positioned in the cavity 35 at the upper part of the valve core 32 and can move up and down in the cavity 35, the lower part of the valve core 32 is provided with a lower liquid port 323 for liquid to flow out, the lower end of the liquid valve 31 is matched with the lower liquid port 323 and is positioned above the lower liquid port 323 for closing or opening the lower liquid port 323, the lower part of the valve seat 33 is also provided with a filling port 331 and a spacer 322 arranged above the filling port 331, the valve core 32 is internally provided with an air channel 321 for exhausting air, the lower end of the air channel 321 is connected with an exhaust pipe 39, the exhaust pipe 39 penetrates through the spacer 322 and is provided with an air pipe sleeve 333, the exhaust pipe 39 extends out of the filling port 331, and the filling port 331 is provided with a centering sleeve 334 and a tank port sealing gasket 335; when the lower liquid outlet 323 is in an open state, a passage between the liquid cylinder 10 and a filling bottle (not shown) is opened, and at this time, the liquid cylinder 10, the liquid inlet hole 312, the lower liquid outlet 323, the filling port 331 and the filling bottle (not shown) are communicated, so that liquid can flow into the filling bottle (not shown), when the lower liquid outlet 323 is in a closed state, the passage between the liquid cylinder 10 and the filling bottle (not shown) is closed, and liquid cannot flow into the filling bottle (not shown), and in order to ensure the sealing property, the lower end of the liquid valve 31 is further provided with a liquid valve pad 311.

In this embodiment, a sleeve 36 is disposed on the upper portion of the liquid valve 31, an air outlet 361 is disposed on the sleeve 36, an inflation valve rod 37 is disposed in the sleeve 36, a compression spring 111 is disposed between the sleeve 36 and the dial sleeve 11, and the upper end of the inflation valve rod 37 extends out of the sleeve 36 and is mounted on the dial sleeve 11 through a straight screw 371; a connecting sleeve 38 is arranged at the upper end of the valve core 32, one end of the connecting sleeve 38 extends out of the liquid valve 31 and is positioned in the sleeve 36, an O-shaped sealing ring 6 is arranged between the liquid valve 31 and the sleeve 36, and the O-shaped sealing ring 6 is arranged at the contact position of the sleeve 36 and the connecting sleeve 38;

in the embodiment, the lower part of the inflation valve rod 37 passes through the connecting sleeve 38 to contact with the valve core 32, the front end of the inflation valve rod 37 is matched with the opening of the air channel 321 at the front end of the valve core 32, and the lower part of the inflation valve rod is provided with a valve needle sealing gasket 372 for sealing the opening of the air channel; the inflation valve rod is driven by cylinder control valve subassembly control, when cylinder control valve subassembly lifted the inflation valve rod, the gas channel was opened, be the intercommunication between liquid jar this moment, the venthole, the gas channel, the blast pipe, the filling bottle, gas in the filling bottle (not marking) can be along with the increase of liquid level get into in the liquid jar 10, when cylinder control valve subassembly pushed down the inflation valve rod, then closed the gas channel on the case, be encapsulated situation in the messenger's filling bottle, guarantee to fill the smooth completion of preparation work before the dress.

As shown in fig. 3 and 4, a separating flange 332 is arranged on one side of the valve seat, the module control valve 2 is mounted on the valve sleeve 34 and fixed by the separating flange 332, an O-ring 6 is arranged between the module control valve 2 and the valve sleeve 34, the module control valve 2 includes a module valve sleeve 21 and a module valve seat 22, the module valve sleeve 21 and the module valve seat 22 are mounted to form an upper independent cavity 23 and a lower independent cavity 24 which are not communicated with each other, piston valve assemblies 25 are arranged in the upper independent cavity 23 and the lower independent cavity 24, and each piston valve assembly 25 includes a piston rod 251, and an insert 252 and a leather cap 253 which are arranged at two ends of the piston rod 251; one end of the piston rod 251 penetrates through the plug-in piece 252 to be sleeved with a diaphragm 254, and the edge of the diaphragm 254 is fixed at the closing position of the inner wall of the module valve seat 22 and the plug-in piece 252; the other end of the piston rod 251 is sleeved with a displacer 255 through a leather cap 253; the piston rod 251 between the plug 252 and the leather cap 253 is sleeved with a second spring 256, and the module valve sleeve 21 is provided with quick connectors 26 respectively connected with the upper independent cavity 23 and the lower independent cavity 24.

A first air passage 341 is arranged on the valve sleeve 34, and an air passage port 324 communicated with the first air passage 341 is arranged on the valve core 32; a second air passage 221 communicated with the first air passage 341 is arranged on the module valve seat 22; the module valve seat 22 is further provided with a vacuum pumping port 222 communicated with the upper independent cavity 23 and a pressure relief port 223 communicated with the lower independent cavity 24, the vacuum pumping port 222, the upper independent cavity 23, the second air passage 221, the first air passage 341, the air passage port 324 and the filling port 331 are communicated, and air in a filling bottle (not shown) is pumped out through the vacuum pumping port 222 in a state that the filling valve assembly is closed; the pressure relief port 223, the lower independent cavity 24, the second air passage 221, the first air passage 341, the air passage port 324 and the filling port 331 are communicated, and a filling bottle (not marked) is relieved of pressure after filling is completed through the pressure relief port.

As shown in fig. 8, the centering device 4 includes two parallel lever arms 41 arranged in parallel, a huff clamp 42 connected to the parallel lever arms 41, and a cylinder 43 installed on the parallel lever arms 41, wherein one end of the huff clamp 42 is provided with a connecting flange 421, the connecting flange 421 is installed on the slicing flange 332, and the connecting flange 421 is provided with a roller; the half clamp 42 is arranged on the valve seat 33, and the C-shaped frame 5 matched with the half clamp 42 is arranged on the valve seat 33; the cylinder 43 comprises a cylinder sleeve 431 and a piston 432 arranged in the cylinder sleeve 431, an O-shaped sealing ring 6 is arranged between the cylinder sleeve 431 and the piston 432, a guide groove 433 is arranged at the lower part of the piston 432, and a guide block 411 which can be arranged in the guide groove 433 is arranged on the parallel lever arm 41; a connecting pipe 44 is arranged at the upper part of the cylinder sleeve 431, a communicated T-shaped pipe 45 is connected to the connecting pipe 44, and a fulcrum bolt 434 is arranged at the top of the cylinder sleeve 431; the other end of the parallel lever arm 41 is provided with a small shaft 412, a roller 46 is arranged between the parallel lever arms 41 on one side of the small shaft 412, a fixing bolt 461 is arranged on the roller 46, and a bushing 462 is arranged on the fixing bolt 461.

The action principle is as follows:

placing a filling bottle (not shown) on a bottle supporting cylinder (not shown), and then lifting the bottle supporting cylinder (not shown) to the position of the filling valve assembly 3, so that the filling bottle (not shown) and the tank opening sealing gasket 335 at the position of the filling opening 331 form a sealed whole; firstly, the filling valve component 3 is closed through the cylinder control valve component 1, at this time, the liquid valve 31 and the inflation valve rod 37 move downwards under the action of the cylinder control valve component 1, the lower end of the liquid valve 31 closes the lower liquid port 323 arranged on the valve core 32, the inflation valve rod 37 closes the air channel 321 arranged on the valve core 32 to ensure that the liquid cylinder 10 and the filling bottle (not marked) are in a sealed state, then the piston valve component 25 in the upper independent cavity 23 in the module control valve is closed to enable the vacuumizing port 222 to be communicated with the filling bottle (not marked), the piston valve component 25 in the lower independent cavity 24 is opened to close the communication between the pressure relief port 223 and the filling bottle (not marked), and air in the filling bottle (not marked) is pumped out through the vacuumizing port 222, so that one-time vacuumizing is realized; then, the filling valve assembly 3 is controlled by the cylinder control valve assembly 1 to carry out the first back pressure operation; after the first back pressure operation is finished, the module control valve 2 is started again to control vacuum pumping in the same process, namely, the second vacuum pumping; a second back pressure operation is carried out to ensure that the air in the bottle is completely pumped out, and the second back pressure operation is also controlled by the cylinder control valve component; after the second back pressure operation is completed, a filling process is performed, the module control valve 2 is completely closed at this time, then the cylinder control valve assembly 1 is closed, the pneumatic piston 16 is reset upwards under the action of the first spring 19 and the corrugated pipe 18, the force applied to the liquid valve 31 and the inflation valve rod 37 in the filling valve assembly 3 is cancelled at this time, the inflation valve rod 37 is connected to the shift sleeve 11, the shift sleeve 11 is connected to the corrugated pipe 18, the inflation valve rod 37 is driven to reset upwards when the corrugated pipe 18 resets upwards, the air channel 321 is opened, the liquid cylinder 10, the air outlet 361, the air channel 321, the exhaust pipe 39 and a filling bottle (not marked) are communicated at this time, and the air pressure in the filling bottle (not marked) is gradually balanced with the air pressure in the liquid cylinder 10 along with the injection of the liquid in the liquid cylinder 10 until the filling is completed; the liquid valve 31 is reset upwards under the action of the pressure spring 325, the lower liquid port 323 on the valve core 32 is opened, when the lower liquid port 323 is in an open state, a channel between the liquid cylinder 10 and a filling bottle (not marked) is opened, at the moment, the liquid cylinder 10, the liquid inlet hole 312, the lower liquid port 323, the filling port 331 and the filling bottle (not marked) are communicated, and liquid flows into the filling bottle (not marked) to finish the filling process; after the filling process is finished, the filling valve assembly 3 is stopped still, then the filling valve assembly 1 is closed forcibly, the gas filling valve rod 37 seals the gas channel 321, and the liquid valve 31 seals the lower liquid opening 323; finally, the pressure relief process is carried out through the module control valve 2, the piston valve assembly 25 in the upper independent cavity 23 in the module control valve 2 is opened, and at the moment, the vacuumizing port 222, the upper independent cavity 23, the second air channel 221, the first air channel 341, the air channel port 324, the filling port 331 and a filling bottle (not marked) are sealed; the piston valve assembly 25 in the lower independent cavity 24 is closed, at this time, the pressure relief port 223, the lower independent cavity 24, the second air passage 221, the first air passage 341, the air passage port 324, the filling port 331 and the filling bottle (not marked) are communicated, and after the residual air pressure in the filling bottle (not marked) is eliminated, the whole filling process is finished and the bottle is discharged.

The utility model discloses a main purpose adopts cylinder control valve subassembly and module control valve to replace the thumb wheel subassembly and the vacuum relief valve and the cancellation thumb wheel subassembly of traditional mechanical filling valve to open valve device and close the valve device, cancellation vacuum guide device and pressure release guide device, very big improvement filling effect stability.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims (10)

1. An electronic filling valve for pop cans is characterized by comprising a cylinder control valve component, a module control valve, a filling valve component and a centering device arranged on the filling valve component, wherein a shifting sleeve is arranged at the lower part of the cylinder control valve component; the filling valve assembly comprises a liquid valve, a valve core, a valve seat and a valve sleeve arranged on the valve seat, a cavity is formed between the valve seat and the valve sleeve, the lower part of the valve core is fixedly arranged in the cavity, the upper part of the valve core extends out of the valve sleeve, the liquid valve is sleeved outside the valve core, and the lower part of the liquid valve is positioned in the cavity at the upper part of the valve core and can move up and down in the cavity; a sleeve is arranged at the upper part of the liquid valve, and an inflating valve rod is arranged in the sleeve; the upper end of the valve core is provided with a connecting sleeve, and one end of the connecting sleeve extends out of the liquid valve and is positioned in the sleeve; an air channel is arranged in the valve core, and the lower end of the air channel is connected with an exhaust pipe; the lower part of the inflation valve rod penetrates through the connecting sleeve to be contacted with the valve core, and the front end of the inflation valve rod is matched with an air channel opening at the front end of the valve core; the lower part of the valve seat comprises a filling opening and a spacer arranged above the filling opening, the exhaust pipe penetrates through the spacer and is provided with an air pipe sleeve, and the exhaust pipe extends out of the filling opening; the improved valve seat structure is characterized in that a slicing flange is arranged on one side of the valve seat, the module control valve is installed on the valve sleeve and fixed through the slicing flange, the module control valve comprises a module valve sleeve and a module valve seat, an upper independent cavity and a lower independent cavity which are not communicated with each other are formed after the module valve sleeve and the module valve seat are installed, and a piston valve assembly is arranged in the upper independent cavity and the lower independent cavity.

2. An electronic filling valve for a can according to claim 1, wherein: the lower part of the valve core is provided with a lower liquid port, and the lower end of the liquid valve is matched with the lower liquid port and is positioned above the lower liquid port for closing or opening the lower liquid port; the lower end of the liquid valve is also provided with a liquid valve pad; an air outlet is arranged on the sleeve.

3. An electronic filling valve for a can according to claim 1 or 2, wherein: the liquid valve is provided with a liquid inlet hole, and the liquid inlet hole, the lower liquid port and the filling port are communicated; the exhaust pipe, the gas channel and the gas outlet are communicated.

4. An electronic filling valve for pop-top can as claimed in claim 1, wherein: the valve sleeve is provided with a first air passage, and the valve core is provided with an air passage port communicated with the first air passage; a second air passage communicated with the first air passage is arranged on the valve seat of the module valve; and the module valve seat is also provided with a vacuumizing port communicated with the upper independent cavity and a pressure relief port communicated with the lower independent cavity.

5. An electronic filling valve for a can according to claim 1, wherein: the piston valve assembly comprises a piston rod, plug-in units and leather caps, wherein the plug-in units and the leather caps are arranged at two ends of the piston rod; one end of the piston rod penetrates through the plug-in unit and is sleeved with a diaphragm, and the edge of the diaphragm is fixed at the closed position of the plug-in unit and the inner wall of the valve seat of the module valve; the other end of the piston rod penetrates through the leather cap and is sleeved with a displacer; the piston rod between the plug-in and the leather cap is sleeved with a second spring, and the module valve sleeve is provided with quick connectors which are respectively connected with an upper independent cavity and a lower independent cavity.

6. An electronic filling valve for a can according to claim 4, wherein: the vacuumizing port, the upper independent cavity, the second air passage, the first air passage, the air passage port and the filling port are communicated; the pressure relief port, the lower independent cavity, the second air passage, the first air passage, the air passage port and the filling port are communicated.

7. An electronic filling valve for pop-top can as claimed in claim 1, wherein: the centering device comprises two parallel lever arms arranged in parallel, a half clamp connected with the parallel lever arms and a cylinder arranged on the parallel lever arms; one end of the huff clamp is provided with a connecting flange, the connecting flange is arranged on the slicing flange, the connecting flange is provided with a roller, the huff clamp is arranged on the valve seat, the valve seat is provided with a C-shaped frame matched with the huff clamp, the air cylinder comprises a cylinder sleeve and a piston arranged in the cylinder sleeve, an O-shaped sealing ring is arranged between the cylinder sleeve and the piston, the lower part of the piston is provided with a guide groove, and the parallel lever arm is provided with a guide block which can be arranged in the guide groove; the device comprises a cylinder sleeve and is characterized in that a connecting pipe is arranged on the upper portion of the cylinder sleeve, a T-shaped pipe communicated with the connecting pipe is connected to the connecting pipe, a fulcrum bolt is arranged at the top of the cylinder sleeve, a small shaft is arranged at the other end of the parallel lever arm, a roller is arranged between the parallel lever arms on one side of the small shaft, a fixing bolt is arranged on the roller, and a lining is arranged on the fixing bolt.

8. An electronic filling valve for a can according to claim 1, wherein: the cylinder control valve assembly comprises an upper cover, a lower cover and a cylinder sleeve arranged between the upper cover and the lower cover, wherein a closed air cavity is formed by the upper cover, the lower cover and the cylinder sleeve, a pneumatic piston is arranged in the air cavity, a first spring is arranged on the pneumatic piston, a cylinder joint is arranged on the upper cover, a corrugated pipe is connected to the lower portion of the lower cover, one end, extending out of the lower cover, of the pneumatic piston extends into the corrugated pipe, and the lower portion of the corrugated pipe is connected with a shifting sleeve.

9. An electronic filling valve for pop-top can as claimed in claim 1, wherein: a Y-shaped sealing ring is arranged between the valve seat and the valve sleeve, and a strip-shaped bearing is also arranged between the valve seat and the valve sleeve on the upper part of the Y-shaped sealing ring; an O-shaped sealing ring is arranged between the module control valve and the valve sleeve; a belt bearing is arranged between the valve core and the valve seat; an O-shaped sealing ring is arranged at the position where the liquid valve penetrates through the valve sleeve; an O-shaped sealing ring is arranged between the valve core and the valve sleeve, and the valve core is fixedly arranged on the valve sleeve through a screw; the valve core is provided with an O-shaped ring, a pressure spring is sleeved on the valve core, one end of the pressure spring is arranged on the O-shaped ring, and the other end of the pressure spring is propped against the inner top wall of the liquid valve; an O-shaped sealing ring is arranged between the liquid valve and the sleeve, and the O-shaped sealing ring is arranged at the contact position of the sleeve and the connecting sleeve; and the filling opening is provided with a centering sleeve and a tank opening sealing gasket.

10. An electronic filling valve for a can according to claim 1, wherein: a compression spring is arranged between the sleeve and the shifting sleeve, the upper end of the inflation valve rod extends out of the sleeve and is connected with the shifting sleeve, and the inflation valve rod is installed on the shifting sleeve through a straight screw.

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