CN110203871B - Semi-fluid filling valve - Google Patents
Semi-fluid filling valve Download PDFInfo
- Publication number
- CN110203871B CN110203871B CN201910591420.4A CN201910591420A CN110203871B CN 110203871 B CN110203871 B CN 110203871B CN 201910591420 A CN201910591420 A CN 201910591420A CN 110203871 B CN110203871 B CN 110203871B
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- valve
- piston
- filling
- semi
- opener
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- 239000012530 fluid Substances 0.000 title claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 238000007670 refining Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000008602 contraction Effects 0.000 claims description 4
- 239000011236 particulate material Substances 0.000 claims description 2
- 238000011002 quantification Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000015193 tomato juice Nutrition 0.000 description 1
- 235000015113 tomato pastes and purées Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/26—Filling-heads; Means for engaging filling-heads with bottle necks
- B67C3/2608—Filling-heads; Means for engaging filling-heads with bottle necks comprising anti-dripping means
Abstract
The invention discloses a semi-fluid filling valve, which comprises a first-stage valve, a piston cylinder, a movable driving mechanism and a second-stage valve; the primary valve comprises a valve body, a primary valve core and a valve opener, wherein the valve body is provided with a feed port, a discharge port and a piston port, the primary valve core is positioned in the valve body, the valve opener is connected with the primary valve core to drive the primary valve core to act so as to enable the primary valve to be positioned at a filling position or a material sucking position, the piston port is communicated with the discharge port when the primary valve is positioned at the filling position, and the feed port is communicated with the piston port when the primary valve is positioned at the material sucking position; the piston cylinder is communicated with the piston port, and a piston is hermetically and slidably arranged in the piston cylinder; the second-stage valve is communicated with the discharge port, and the valve opener is in transmission connection with the second-stage valve through a transmission mechanism. The invention uses the piston pressure to force filling, realizes the accurate quantification of the filled semi-fluid, shortens the filling time, provides the output, adopts a mechanical mechanism to simultaneously control the primary valve and the secondary valve, ensures that the material sucking and the filling are more convenient, and has simple and reliable structure.
Description
Technical Field
The present invention relates to a semi-fluid filling valve.
Background
At present, a semi-fluid filling valve used in the market is low in filling positioning precision due to poor semi-fluid mobility, the accurate positioning of filling quantity is difficult, and the liquid levels are often different; the filling speed is low, and the required yield cannot be achieved; most of the fluid filling valves are controlled to open and close by electricity or gas, so that the structure is complex, faults are easy to occur, and the maintenance is more troublesome; there is also a problem that the semi-fluid such as tomato paste and juice is sprayed on the filling machine due to the loose seal, and the scattered semi-fluid is too little, so that the appearance of the packaging container is polluted, and a large amount of unqualified products are generated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a semi-fluid filling valve which uses piston pressure to forcedly fill, shortens filling time, provides yield, can realize accurate quantification of filled semi-fluid, adopts a mechanical mechanism to realize simultaneous opening and closing of a first-stage valve and a second-stage valve, and ensures that the material sucking and filling conversion is more convenient and the structure is simple and reliable.
In order to solve the technical problems, the technical scheme of the invention is as follows: the device comprises a first-stage valve, a piston cylinder, a movable driving mechanism and a second-stage valve; wherein,
the primary valve comprises a valve body, a primary valve core and a valve opener, wherein the valve body is provided with a feed inlet, a discharge outlet and a piston opening, the primary valve core is positioned in the valve body, the valve opener is connected with the primary valve core to drive the primary valve core to act so as to enable the primary valve to be positioned at a filling position or a material sucking position, the piston opening is communicated with the discharge outlet when the primary valve is positioned at the filling position, and the feed inlet is communicated with the piston opening when the primary valve is positioned at the material sucking position;
the piston cylinder is communicated with the piston port, a piston is hermetically matched in the piston cylinder in a sliding manner, and the movement driving mechanism acts on the piston to drive the piston to move so that the piston provides positive pressure into the piston cylinder when the primary valve is in the filling position to finish filling; and when the primary valve is at the suction level, the piston provides negative pressure to the piston cylinder to finish suction;
the valve opener is in transmission connection with the secondary valve through a transmission mechanism, so that in the process of moving the valve opener to enable the primary valve to be converted into a filling position, the valve opener is used for transmitting the secondary valve to be opened to enable semi-fluid in the material outlet to flow out; and in the process of actuating the valve opener to enable the primary valve to switch to the suction level, the valve opener drives the secondary valve to close so as to close the tail end of the discharge port.
Further in order to keep the filled semi-fluid in the container uniform and the color and the density more uniform, the discharge hole of the valve body is provided with a thinning plate with a plurality of thinning holes for thinning the granular materials in the semi-fluid.
The concrete structure of the secondary valve is further provided, the secondary valve comprises a filling head and a secondary valve core, the filling head is provided with a discharge channel communicated with a discharge port, the secondary valve core is inserted in the discharge channel in a lifting manner, and the valve opener is in transmission connection with the secondary valve core through a transmission mechanism so as to transmit the falling of the secondary valve core to seal the tail end of the discharge channel and transmit the rising of the secondary valve core to open the tail end of the discharge channel.
Further, in order to prevent the filling head from contacting with the mouth of the container for semi-fluid to be filled, and further prevent the mouth of the container from being stuck with viscous semi-fluid to affect the working procedures such as sealing or screwing a cap by the aluminum foil, the semi-fluid filling valve further comprises a centering cover which is sleeved with the mouth of the container for semi-fluid to be filled so that the discharge channel is opposite to the central position of the mouth of the container, and the centering cover is connected with the filling head.
Further, in order to prevent the filling speed from being too high, the air is not discharged so far, and the material being filled is extruded from the mouth of the container to cause semi-fluid billowing, a plurality of exhaust holes are formed in the circumference of the centering cover so as to discharge the air in the container.
Further, the first-stage valve core is a rotary valve core, the first-stage valve core is rotatably supported in the valve body, the valve opener is a rotary valve opener, the valve opener drives the first-stage valve core to rotate through rotation of the valve opener, an upper through hole is formed in the upper side of the first-stage valve core, a lower through hole is formed in the lower side of the first-stage valve core, a right through hole is formed in the right side of the first-stage valve core, when the first-stage valve core rotates to the upper through hole to face the piston port, the lower through hole to face the discharge port, and the left side of the first-stage valve core to face the feed port, the first-stage valve is in a filling position, and when the first-stage valve core rotates to the left side of the first-stage valve core to face the discharge port, the right through hole to face the piston port and the upper through hole to face the feed port, the first-stage valve is in a suction position.
The concrete structure of a transmission mechanism is further provided, and the transmission mechanism comprises a chute sheet, a transverse connecting rod and a vertical connecting rod; wherein,
the chute sheet is provided with an arc-shaped groove and is connected with the valve opener so as to synchronously rotate along with the valve opener; the distance between the arc-shaped groove and the rotation shaft of the valve opener is gradually increased from one end part to the other end part of the arc-shaped groove
Becoming smaller;
one end of the transverse connecting rod is connected with the secondary valve core, the other end of the transverse connecting rod is connected with the lower end of the vertical connecting rod, a pin roll is fixed at the upper end of the vertical connecting rod, and the pin roll can be slidingly matched in the arc-shaped groove in a sliding manner relative to the arc-shaped groove, so that the position of the pin roll in the arc-shaped groove is changed through the rotation of the arc-shaped groove in the process of rotating the valve opener, and the height of the secondary valve core is further changed.
Further for the convenience discernment whether rotate to filling position or inhale the material level when rotating the valve opener to prevent when half fluid filling valve is in the filling position, because of first order case rotates and influence filling precision, still be provided with between valve opener and the valve body and be used for preventing valve opener pivoted locking mechanical system after valve opener rotates to filling position or inhale the material level.
The valve body is provided with a groove which is opposite to the steel ball and is used for embedding the steel ball when the primary valve is positioned at the filling position and the sucking position.
The utility model provides a remove actuating mechanism's concrete structure, remove actuating mechanism includes roller shaft, gyro wheel and eccentric rotation subassembly, the piston has the piston rod, the piston rod with the piston links to each other, the roller shaft with piston rod fixed connection, be provided with on the piston cylinder and be used for dodging the hole of roller shaft, the gyro wheel rotatably supports on the tip of dodging the hole of stretching out of roller shaft, eccentric rotation subassembly acts on the gyro wheel, so that drive gyro wheel and roller shaft reciprocating motion through eccentric rotation subassembly, the roller shaft drives the piston reciprocating motion again.
After the technical scheme is adopted, the invention has the following beneficial effects:
1. the discharge end of the secondary valve is aligned to the mouth part of the container, the valve opener is actuated to drive the primary valve core to actuate, so that the piston port is communicated with the discharge port, the valve opener drives the secondary valve to actuate, so that the secondary valve is opened, the piston moves towards the discharge port under the action of the moving driving mechanism to realize the filling of the container to be filled, the speed of the piston is adjusted to realize the fast filling and the slow filling, the piston pressure is utilized to forcedly fill, even the semi-fluid with higher viscosity can be accurately quantified, the filling time is shortened, and the yield is provided; the valve opener drives the first-stage valve core to act, so that the piston port is communicated with the feed port, and meanwhile, the valve opener drives the second-stage valve to act, so that the second-stage valve is closed to close the tail end of the discharge port, the piston moves back to the discharge port under the action of the moving driving mechanism, suction can be completed, when the first-stage valve is positioned at a suction level, the tail end of the discharge port is closed through the second-stage valve, semi-fluid drip entering the discharge port can be effectively prevented, the cleaning of the outside of a container and a filling machine is ensured, and the two-stage valve is simultaneously opened and closed through mechanical control;
2. the discharge hole of the valve body is provided with a thinning plate, the semi-fluid enters the secondary valve after passing through the thinning plate, and the granular materials in the semi-fluid can be uniformly thinned through the thinning holes of the thinning plate when passing through the thinning plate, so that the semi-fluid can be uniformly maintained in the container, and the color and the density are consistent;
3. the secondary valve core descends to seal the outlet end of the filling head, so that the closing of the secondary valve is realized, the sealing part is positioned at the forefront end of the filling head, and the semi-fluid is completely sealed in the secondary valve, so that the semi-fluid can be effectively prevented from dripping and leaking, and the pollution of a container is avoided;
4. when the semi-fluid filling valve is aligned to the mouth of the container, the centering cover contacts the mouth of the container, and the filling head is in non-contact with the mouth of the container, so that the mouth of the container can be effectively prevented from being stuck with viscous semi-fluid to affect the subsequent processes such as filtering sealing or cap screwing;
5. the centering cover is provided with a plurality of exhaust holes, so that the control in the container can be directly exhausted to the outside, and the phenomenon that the half fluid in the process of filling is extruded from the mouth of the container to cause half fluid billowing can be prevented from being exhausted due to the fact that the filling speed is too high;
6. the locking mechanism of the semi-fluid filling valve can lock the valve opener through the embedding cooperation of the steel balls and the grooves when the valve opener rotates to a filling position and a material sucking position, so that whether the valve opener rotates to the filling position and the material sucking position or not can be conveniently identified, and the influence on the filling precision caused by the rotation of the first-stage valve core when the semi-fluid filling valve is in a filling state is prevented.
Drawings
FIG. 1 is a schematic structural view of a semi-fluid filling valve of the present invention;
FIG. 2 is a schematic view of the semi-fluid filling valve of the present invention with the valve body and filling head removed;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a schematic structural view of the refining plate of the present invention;
FIG. 5 is a schematic view of a locking mechanism according to the present invention;
fig. 6 is a schematic structural view of the movement driving mechanism of the present invention.
Detailed Description
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1-6, the hydraulic control valve comprises a primary valve, a piston cylinder 1, a movable driving mechanism and a secondary valve; wherein,
the primary valve comprises a valve body 21, a primary valve core 22 and a valve opener 23, wherein the valve body 21 is provided with a feed inlet, a discharge outlet and a piston opening, the primary valve core 22 is positioned in the valve body 21, the valve opener 23 is connected with the primary valve core 22 to drive the primary valve core 22 to act so as to enable the primary valve to be in a filling position or a sucking position, the piston opening is communicated with the discharge outlet when the primary valve is in the filling position, and the feed inlet is communicated with the piston opening when the primary valve is in the sucking position;
the piston cylinder 1 is communicated with a piston port, a piston 3 is hermetically matched in the piston cylinder 1, and the movement driving mechanism acts on the piston 3 to drive the piston 3 to move so that the piston 3 provides positive pressure into the piston cylinder 1 when the primary valve is in a filling position to finish filling; and when the primary valve is at the suction level, the piston 3 provides negative pressure to the piston cylinder 1 to finish suction;
the valve opener 23 is in transmission connection with the secondary valve through a transmission mechanism 4, so that in the process of actuating the valve opener 23 to enable the primary valve to be converted into a filling position, the valve opener 23 is used for transmitting the secondary valve to be opened to enable semi-fluid in the discharge port to flow out; and in the process of actuating the valve opener 23 to enable the primary valve to be switched to the suction level, the secondary valve is driven to be closed through the valve opener 23 to close the tail end of the discharge port. Specifically, when the primary valve is at the filling position, the movable driving mechanism drives the piston 3 to move towards the discharge port, so that semi-fluid can be filled into the container to be filled; when the primary valve is positioned at the material sucking position, the movable driving mechanism drives the piston 3 to move back to the material outlet, so that semi-fluid can be sucked into the piston cylinder 1.
In this embodiment, to facilitate communication of the feed port with an external semi-fluid feed device, the semi-fluid filling valve further comprises a feed block 5 in communication with the feed port. In the present embodiment, in order to improve the sealability to prevent leakage of the semi-fluid, sealing rings are provided between the piston cylinder 1 and the piston port, between the secondary valve and the discharge port, between the feed block 5 and the feed port, and between the outer circumference of the piston 3 and the inner wall of the piston cylinder 1.
In the embodiment, the discharge end of the secondary valve is aligned to the mouth of the container, the valve opener 23 is actuated, the valve opener 23 drives the primary valve core 22 to actuate, so that the piston port is communicated with the discharge port, meanwhile, the valve opener 23 drives the secondary valve to actuate, so that the secondary valve is opened, the piston 3 moves towards the discharge port under the action of the moving driving mechanism to realize the filling of the container to be filled, the speed of the movement of the piston 3 is adjusted to realize the fast filling and the slow filling, the pressure of the piston 3 is utilized to force the filling, even the semi-fluid with higher viscosity can be accurately quantified, the filling time is shortened, and the yield is provided; the valve opener 23 is operated, the valve opener 23 drives the first-stage valve core 22 to operate, so that a piston port is communicated with a feed port, the valve opener 23 drives the second-stage valve to operate, the second-stage valve is closed to close the tail end of the discharge port, the piston 3 moves back to the discharge port under the action of the moving driving mechanism, suction can be completed, when the first-stage valve is positioned at a suction level, the tail end of the discharge port is closed through the second-stage valve, semi-fluid drip entering the discharge port can be effectively prevented, the cleaning of the outside of a container and a filling machine is ensured, and the invention realizes simultaneous opening and closing of the first-stage valve and the second-stage valve through mechanical control and has a simple and reliable structure.
As shown in fig. 4, in order to keep the filled semi-fluid in the container uniform and the color and density more uniform, the outlet of the valve body 21 is provided with a refining plate 6 having a plurality of refining holes for refining the particulate material in the semi-fluid.
In the embodiment, the semi-fluid enters the secondary valve after passing through the refining plate 6, and the particle materials in the semi-fluid are uniformly refined through the refining holes of the refining plate 6 when passing through the refining plate 6, so that the semi-fluid is uniformly maintained in the container, and the color and the density are consistent.
As shown in fig. 1-3, the secondary valve comprises a filling head 71 and a secondary valve core 72, the filling head 71 is provided with a discharge channel communicated with the discharge port, the secondary valve core 72 is inserted in the discharge channel in a lifting manner, and the valve opener 23 is in transmission connection with the secondary valve core 72 through a transmission mechanism 4 to transmit the descending of the secondary valve core 72 to seal the tail end of the discharge channel and transmit the ascending of the secondary valve core 72 to open the tail end of the discharge channel.
In this embodiment, the outer periphery Xiang Taozhuang of the bottom of the secondary spool 72 is provided with a sealing ring in order to better seal the open end of the filling head 71 after the secondary spool 72 is lowered into place. The filling head 71 is connected to the valve body 21 by means of a collar 73.
In this embodiment, the secondary valve core 72 descends to seal the outlet end of the filling head 71, so as to close the secondary valve, the sealing part is located at the forefront end of the filling head 71, and the semi-fluid is completely sealed in the secondary valve, so that the semi-fluid can be effectively prevented from dripping and leaking, and the container cannot be polluted.
As shown in fig. 1 to 3, in order to prevent the filling head 71 from contacting with the mouth of the container of the semi-fluid to be filled, and further prevent the mouth of the container from being stuck with viscous semi-fluid to affect the working procedures such as sealing the rear aluminum foil or screwing the cover, the semi-fluid filling valve further comprises a centering cover 8 which is used for sleeving the mouth of the container of the semi-fluid to be filled so that the discharge channel is opposite to the central position of the mouth of the container, and the centering cover 8 is connected with the filling head 71.
Specifically, when the semi-fluid filling valve is aligned with the mouth of the container, the centering cap 8 is fitted over the mouth of the container, and the filling head 71 is not in contact with the mouth of the container.
As shown in fig. 1 to 3, in order to prevent the semi-fluid billowing caused by the extrusion of the material being filled from the mouth of the container due to the insufficient air being discharged, a plurality of air discharge holes 81 are provided in the circumferential direction of the centering cover 8 to discharge the air in the container. In this embodiment, the centering cover may be in direct communication with an external cleaning device to facilitate cleaning of the semi-fluid filling valve.
As shown in fig. 2 and 3, the primary valve core 22 is a rotary valve core, the primary valve core 22 is rotatably supported in the valve body 21, the valve opener 23 is a rotary valve opener, the valve opener 23 drives the primary valve core 22 to rotate through rotation of the valve opener, an upper through hole is formed in the upper side of the primary valve core 22, a lower through hole is formed in the lower side of the primary valve core 22, a right through hole is formed in the right side of the primary valve core, when the primary valve core 22 rotates to the upper through hole to face the piston hole, the lower through hole to face the discharge hole, and the left side of the primary valve core 22 to face the feed hole, the primary valve is in a filling position, and when the primary valve core 22 rotates to the left side of the primary valve core 22 to face the discharge hole, the right through hole to face the piston hole, and the upper through hole to face the feed hole, the primary valve is in a suction position.
As shown in fig. 1 to 3, the transmission mechanism 4 includes a chute sheet 41, a transverse link 42 and a vertical link 43; wherein,
an arc groove 44 is arranged on the sliding groove piece 41, and the sliding groove piece 41 is connected with the valve opener 23 to synchronously rotate along with the valve opener 23;
from one end portion to the other end portion of the arc-shaped groove 44, the distance between the arc-shaped groove 44 and the rotation shaft of the valve opener 23 becomes gradually smaller;
one end of the transverse connecting rod 42 is connected with the secondary valve core 72, the other end of the transverse connecting rod 42 is connected with the lower end of the vertical connecting rod 43, a pin is fixed at the upper end of the vertical connecting rod 43, and the pin can be slidably matched in the arc-shaped groove 44 relative to the arc-shaped groove 44, so that the position of the pin in the arc-shaped groove 44 is changed through the rotation of the arc-shaped groove 44 in the process of rotating the valve opener 23, and the height of the secondary valve core 72 is changed.
In this embodiment, the valve opener 23 is rotated 90 degrees counterclockwise, and the semi-fluid filling valve is converted from a filling position to a suction position; the valve opener 23 is rotated clockwise by 90 degrees, the semi-fluid filling valve is converted from a suction level to a filling level, and the distance from the arc-shaped groove 44 to the rotation axis of the valve opener 23 becomes gradually smaller in the counterclockwise direction.
As shown in fig. 5, in order to facilitate recognition of whether the valve opener 23 is rotated to the filling position or the suction level and to prevent the influence of the rotation of the first-stage spool 72 on the filling accuracy when the semi-fluid filling valve is in the filling position, a lock mechanism for preventing the rotation of the valve opener 23 after the valve opener 23 is rotated to the filling position or the suction level is further provided between the valve opener 23 and the valve body 21.
As shown in fig. 5, the locking mechanism includes an elastic element 91 and a steel ball 92, the valve opener 23 has a contraction opening with a radius smaller than that of the steel ball 92, the elastic element 91 acts on the steel ball 92 to press the steel ball 92 to the contraction opening, and a groove for embedding the steel ball 92 is provided on the valve body 21 opposite to the steel ball 92 when the primary valve is at the filling position and the sucking position.
In this embodiment, the valve body 21 is provided with a guide groove 211 for guiding the rotation of the steel ball 92 when the steel ball 92 rotates with the valve opener 23, and the groove is provided in the guide groove 211. Specifically, the elastic element 91 and the steel ball rotate along the guide groove 211 along with the valve opener 23, and when the steel ball rotates to the position of the groove, the steel ball is embedded into the groove under the action of the pretightening force of the elastic element 91. In the present embodiment, the elastic member 91 is a spring, but is not limited thereto.
As shown in fig. 1, 2, 3 and 6, the moving driving mechanism comprises a roller shaft 102, a roller 103 and an eccentric rotating assembly, the piston 3 is provided with a piston rod 101, the piston rod 101 is connected with the piston 3, the roller shaft 102 is fixedly connected with the piston rod 101, the piston cylinder 1 is provided with a avoiding hole 11 for avoiding the roller shaft 102, the roller 103 is rotatably supported on the end part of the roller shaft 102 extending out of the avoiding hole 11, the eccentric rotating assembly acts on the roller 103 so as to drive the roller 103 and the roller shaft 102 to reciprocate through the eccentric rotating assembly, and the roller shaft 102 drives the piston 3 to reciprocate. In the present embodiment, the structure of the movement driving mechanism is not limited thereto, and the structure of the movement driving mechanism may be other structures.
The technical problems, technical solutions and advantageous effects solved by the present invention have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the scope of protection of the present invention.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
Claims (10)
1. A semi-fluid filling valve, characterized by: the device comprises a first-stage valve, a piston cylinder (1), a movable driving mechanism and a second-stage valve; wherein,
the primary valve comprises a valve body (21), a primary valve core (22) and a valve opener (23), wherein the valve body (21) is provided with a feed inlet, a discharge outlet and a piston port, the primary valve core (22) is positioned in the valve body (21), the valve opener (23) is connected with the primary valve core (22) to drive the primary valve core (22) to act so as to enable the primary valve to be at a filling position or a sucking position, the piston port is communicated with the discharge outlet when the primary valve is at the filling position, and the feed inlet is communicated with the piston port when the primary valve is at the sucking position;
the piston cylinder (1) is communicated with the piston opening, a piston (3) is hermetically and slidably arranged in the piston cylinder (1), and the movement driving mechanism acts on the piston (3) to drive the piston (3) to move so that the piston (3) provides positive pressure into the piston cylinder (1) when the primary valve is in the filling position to finish filling; and when the primary valve is at the suction level, the piston (3) provides negative pressure to the piston cylinder (1) to finish suction;
the valve opener (23) is in transmission connection with the secondary valve through a transmission mechanism (4), so that in the process of moving the valve opener (23) to enable the primary valve to be switched to a filling position, the valve opener (23) is used for transmitting the secondary valve to be opened to enable semi-fluid in the material outlet to flow out; and in the process of actuating the valve opener (23) to enable the primary valve to be switched to the suction level, the secondary valve is driven to be closed through the valve opener (23) so as to close the tail end of the discharge hole.
2. The semi-fluid filling valve according to claim 1, wherein: the outlet of the valve body (21) is provided with a refining plate (6) with a plurality of refining holes for refining the particulate material in the semi-fluid.
3. The semi-fluid filling valve according to claim 1, wherein: the secondary valve comprises a filling head (71) and a secondary valve core (72), the filling head (71) is provided with a discharge channel communicated with a discharge hole, the secondary valve core (72) is inserted in the discharge channel in a lifting mode, and the valve opener (23) is in transmission connection with the secondary valve core (72) through a transmission mechanism (4) to transmit the secondary valve core (72) to descend so as to seal the tail end of the discharge channel and transmit the secondary valve core (72) to ascend so as to open the tail end of the discharge channel.
4. A semi-fluid filling valve according to claim 3, wherein: the semi-fluid container filling device further comprises a centering cover (8) which is used for being sleeved with the mouth part of the semi-fluid container to be filled so that the material outlet channel is opposite to the central position of the mouth part of the container, and the centering cover (8) is connected with the filling head (71).
5. The semi-fluid filling valve according to claim 4, wherein: the centering cover (8) is circumferentially provided with a plurality of exhaust holes (81) for exhausting air in the container.
6. A semi-fluid filling valve according to claim 3, wherein: the one-stage valve core (22) is a rotary valve core, the one-stage valve core (22) is rotatably supported in the valve body (21), the valve opener (23) is a rotary valve opener, the valve opener (23) drives the one-stage valve core (22) to rotate through rotation of the valve opener, an upper through hole is formed in the upper side of the one-stage valve core (22), a lower through hole is formed in the lower side of the one-stage valve core, a right through hole is formed in the right side of the one-stage valve core, when the one-stage valve core (22) rotates to the position that the upper through hole is opposite to a piston port, the lower through hole is opposite to a discharge port, the left side of the one-stage valve core (22) is opposite to a feed port, and when the left side of the one-stage valve core (22) rotates to the position that the left side of the one-stage valve core is opposite to the discharge port, the right through hole is opposite to the piston port, and the upper through hole is opposite to the feed port, the one-stage valve is at a suction position.
7. The semi-fluid filling valve according to claim 6, wherein: the transmission mechanism (4) comprises a chute sheet (41), a transverse connecting rod (42) and a vertical connecting rod (43); wherein,
an arc-shaped groove (44) is formed in the sliding groove piece (41), and the sliding groove piece (41) is connected with the valve opener (23) so as to synchronously rotate along with the valve opener (23);
the distance between the arc-shaped groove (44) and the rotation shaft of the valve opener (23) is gradually reduced from one end part to the other end part of the arc-shaped groove (44);
one end of the transverse connecting rod (42) is connected with the secondary valve core (72), the other end of the transverse connecting rod (42) is connected with the lower end of the vertical connecting rod (43), a pin shaft is fixed at the upper end of the vertical connecting rod (43), and the pin shaft is slidably matched in the arc-shaped groove (44), so that the position of the pin shaft in the arc-shaped groove (44) is changed through rotation of the arc-shaped groove (44) in the process of rotating the valve opener (23), and the height of the secondary valve core (72) is changed.
8. The semi-fluid filling valve according to claim 7, wherein: a locking mechanism for preventing the valve opener (23) from rotating after the valve opener (23) rotates to a filling position or a sucking position is further arranged between the valve opener (23) and the valve body (21).
9. The semi-fluid filling valve according to claim 8, wherein: the locking mechanism comprises an elastic element (91) and a steel ball (92), the valve opener (23) is provided with a contraction opening with the radius smaller than that of the steel ball (92), the elastic element (91) acts on the steel ball (92) to press the steel ball (92) to the contraction opening, and when the primary valve is positioned at a filling position and a sucking position, a groove which is opposite to the steel ball (92) and is used for embedding the steel ball (92) is formed in the valve body (21).
10. The semi-fluid filling valve according to claim 1, wherein: the movable driving mechanism comprises a roller shaft (102), a roller (103) and an eccentric rotating assembly, the piston (3) is provided with a piston rod (101), the piston rod (101) is connected with the piston (3), the roller shaft (102) is fixedly connected with the piston rod (101), an avoidance hole (11) for avoiding the roller shaft (102) is formed in the piston cylinder (1), the roller (103) is rotatably supported on the end part, extending out of the avoidance hole (11), of the roller shaft (102), the eccentric rotating assembly acts on the roller (103) to drive the roller (103) and the roller shaft (102) to reciprocate through the eccentric rotating assembly, and the roller shaft (102) drives the piston (3) to reciprocate.
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| CN201910591420.4A CN110203871B (en) | 2019-07-02 | 2019-07-02 | Semi-fluid filling valve |
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| CN201910591420.4A CN110203871B (en) | 2019-07-02 | 2019-07-02 | Semi-fluid filling valve |
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| CN110203871B true CN110203871B (en) | 2024-03-12 |
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| CN114408240B (en) * | 2022-01-24 | 2024-02-09 | 石家庄市九洲兽药有限公司 | Concentrated formula is negative pressure piston liquid filling machine for chinese veterinary medicine |
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| CN200992480Y (en) * | 2006-12-19 | 2007-12-19 | 中国轻工业机械总公司南京轻工业机械厂 | Plunger type quantitative filling valve |
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| CN205892722U (en) * | 2016-06-17 | 2017-01-18 | 天津威晟番茄制品有限公司 | Tomato strong sauce irritates installation's filling valve |
| CN206014380U (en) * | 2016-08-11 | 2017-03-15 | 张家港飞力包装机械有限公司 | A kind of thick liquid definite quantity filling valve |
| CN210286713U (en) * | 2019-07-02 | 2020-04-10 | 常州瑞曦生物科技有限公司 | Semi-fluid filling valve |
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2019
- 2019-07-02 CN CN201910591420.4A patent/CN110203871B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0717597A (en) * | 1993-06-30 | 1995-01-20 | Shibuya Kogyo Co Ltd | Quantitative filling machine of piston type |
| CN200992480Y (en) * | 2006-12-19 | 2007-12-19 | 中国轻工业机械总公司南京轻工业机械厂 | Plunger type quantitative filling valve |
| CN205745319U (en) * | 2016-05-29 | 2016-11-30 | 上海豫宏建筑防水材料有限公司 | paint filling valve |
| CN205892722U (en) * | 2016-06-17 | 2017-01-18 | 天津威晟番茄制品有限公司 | Tomato strong sauce irritates installation's filling valve |
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