CN118358801B - Liquid preparation filling machine based on go out liquid detection - Google Patents
Liquid preparation filling machine based on go out liquid detection Download PDFInfo
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- CN118358801B CN118358801B CN202410199954.3A CN202410199954A CN118358801B CN 118358801 B CN118358801 B CN 118358801B CN 202410199954 A CN202410199954 A CN 202410199954A CN 118358801 B CN118358801 B CN 118358801B
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- sleeve
- filling
- inner sleeve
- liquid
- liquid preparation
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- 239000007788 liquid Substances 0.000 title claims abstract description 110
- 238000002360 preparation method Methods 0.000 title claims abstract description 78
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 36
- 238000005192 partition Methods 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 14
- 239000012669 liquid formulation Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 abstract description 5
- 239000006260 foam Substances 0.000 abstract description 5
- 239000007791 liquid phase Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 7
- 238000005429 filling process Methods 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
- B65B3/12—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/22—Defoaming liquids in connection with filling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
- B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
- B65B3/32—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement by pistons co-operating with measuring chambers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
Abstract
The invention discloses a liquid preparation filling machine based on liquid outlet detection, and particularly relates to the technical field of material packaging, comprising an outer sleeve, wherein a spiral groove is formed in the outer sleeve; the inner sleeve is movably sleeved in the outer sleeve, and a telescopic pin matched with the spiral groove is arranged on the outer side wall of the inner sleeve; a drive shaft slidably fitted with the inner sleeve; the mounting table is fixed at the bottom of the inner sleeve; an eccentric tube provided on the mounting table; and the filling head is arranged at the lower end of the eccentric pipe and is eccentrically arranged relative to the driving shaft. The spiral ascending filling head is utilized to fill the liquid preparation layer by layer in the filling cylinder, so that the real-time liquid level distance between the filling head and the liquid preparation is ensured to be constant, the impact of the falling liquid preparation on the filled liquid preparation in the filling cylinder can be effectively reduced, a large amount of foam and cavitation areas are avoided due to liquid phase impact, and the liquid detection precision is further improved.
Description
Technical Field
The invention relates to the technical field of material packaging, in particular to a liquid preparation filling machine based on liquid outlet detection.
Background
In the industrial production and processing process, for the packaging of liquid preparation class material, generally, use filling equipment to pour into the filling section of thick bamboo into with liquid preparation, the filling section of thick bamboo is carried to filling equipment below in proper order through the conveyer belt, then the filling head is to pour into liquid preparation into the filling section of thick bamboo into, in order not to influence the normal transport of filling section of thick bamboo, this height that just leads to there is the difference in height of certain distance between filling head and the filling section of thick bamboo bottom, in the initial stage of filling, because the existence of difference in height, the speed of falling liquid preparation when reaching the filling section of thick bamboo bottom is great, lead to producing great impact between falling liquid preparation and the liquid preparation that has been filled in the filling section of thick bamboo, the liquid preparation of mutual impact can be splashed to the impact zone periphery at random, and then because of the liquid phase impact produces a large amount of foam and cavitation zone, because the production volume and the distribution position in the filling section of thick bamboo have randomness, even after the filling is accomplished, there is great deviation in the liquid level of liquid preparation in the filling section of thick bamboo of the same batch, directly influence the precision of liquid end liquid level detection.
Disclosure of Invention
The invention aims to provide a liquid preparation filling machine based on liquid outlet detection, which aims to solve the problem that the liquid level detection precision of a liquid outlet end is affected due to the fact that a large amount of foam and cavitation areas are generated by liquid phase impact in the existing liquid preparation filling machine.
The aim of the invention can be achieved by the following technical scheme:
The liquid preparation filling machine based on liquid discharge detection comprises a base plate and a conveying belt positioned at one side of the base plate, wherein the conveying belt is used for conveying a charging barrel, and a liquid level sensor for detecting the liquid level height of the liquid preparation in the charging barrel is arranged on the base plate;
Further comprises:
The outer sleeve is fixedly arranged on the substrate and provided with a spiral groove;
The inner sleeve is movably sleeved in the outer sleeve, and a telescopic pin matched with the spiral groove is arranged on the outer side wall of the inner sleeve;
the driving shaft is circumferentially provided with a plurality of sliding strips extending along the axial direction, and the inner sleeve is axially matched with the sliding strips in a sliding manner;
The mounting table is fixed at the bottom of the inner sleeve;
An eccentric tube provided on the mounting table;
The filling head is arranged at the lower end of the eccentric pipe and is eccentrically arranged relative to the driving shaft;
When the conveying belt conveys the charging barrel to the position right below the driving shaft, the telescopic pin is retracted into the inner sleeve, and the inner sleeve vertically slides down until the filling head reaches the bottom in the charging barrel;
When the filling head is opened for filling, the telescopic pin extends out and is embedded into the bottommost end of the spiral groove, the driving shaft drives the inner sleeve to spirally rise, and the filling head is synchronously driven to fill the liquid preparation in the filling cylinder layer by layer according to a circumferential path.
As a further scheme of the invention: the inner sleeve is internally provided with a cavity, the telescopic pin is slidably embedded in the cavity, an electromagnet is further arranged in the cavity, the telescopic pin is made of iron, and a spring is arranged between the telescopic pin and the electromagnet;
When the empty loading cylinder reaches the position right below the driving shaft, the electromagnet is electrified to attract the telescopic pin, and the telescopic pin is retracted into the cavity; when the inner sleeve descends to the bottommost end, the electromagnet is powered off, and the telescopic pin is ejected out of the cavity and embedded into the bottommost end of the spiral groove.
As a further scheme of the invention: further comprises:
the charging barrel sensor is arranged on the base plate and used for detecting whether the charging barrel reaches a filling position or not;
A controller disposed on the substrate for:
When the charging barrel sensor detects that the charging barrel reaches the filling position, the electromagnet is controlled to be electrified and starts to time so as to enable the telescopic pin to retract into the cavity; when the timing reaches the preset time length T, the electromagnet is controlled to be powered off, so that the telescopic pin stretches out of the bottommost end of the embedded spiral groove.
As a further scheme of the invention: a sleeve plate is fixed on the outer sleeve, and a rigid pipe is vertically sleeved in the sleeve plate in a sliding manner; the upper end of the rigid pipe is connected with a flexible pipe, and the lower end of the rigid pipe is connected with a sealing sleeve; the eccentric sleeve is in rotary sealing connection with the eccentric tube, and the eccentric tube is communicated with the inside of the seal sleeve.
As a further scheme of the invention: the eccentric pipe is provided with a plurality of through holes in the circumferential direction, the through holes are positioned in the sealing sleeve, the outer wall of the eccentric pipe is also provided with a sealing ring, and the sealing sleeve is provided with a sealing groove matched with the sealing ring.
As a further scheme of the invention: the filling head is provided with a scraping plate, and the scraping plate is positioned at one side deviating from the rotation direction of the filling head.
As a further scheme of the invention: the quantitative barrel is internally provided with a first baffle plate and a second baffle plate, and the first baffle plate and the second baffle plate divide the quantitative barrel into a first quantitative cavity, a separation cavity and a second quantitative cavity in sequence; the separation cavity is communicated with the flexible pipe;
A first piston is arranged in the first quantitative cavity in a sliding manner, and a second piston is arranged in the second quantitative cavity in a sliding manner; the first piston is provided with a first push-pull rod, and the second piston is provided with a second push-pull rod; the first baffle plate and the second baffle plate are respectively provided with a first one-way valve and a second one-way valve;
The first quantitative cavity is communicated with the storage box through a first feeding pipe, and the second quantitative cavity is communicated with the storage box through a second feeding pipe; the first feeding pipe is internally provided with a third one-way valve, and the second feeding pipe is internally provided with a fourth one-way valve.
As a further scheme of the invention: further included is a reciprocating drive mechanism for driving the first and second pistons to move synchronously in opposite directions, the reciprocating drive mechanism comprising:
The sliding device comprises a rectangular frame, wherein a first connecting rod and a second connecting rod are respectively arranged at two ends of the rectangular frame, the first connecting rod is fixedly connected with a first push-pull rod, the second connecting rod is fixedly connected with a second push-pull rod, and a sliding groove is formed in the rectangular frame;
The sliding frame is arranged in the sliding groove in a sliding way, and a waist round gear ring is hollowed out in the sliding frame;
the driving motor is fixedly arranged on the outer wall of the quantifying cylinder, and a gear meshed with the kidney-shaped gear ring is arranged on the output shaft of the driving motor;
The guide block is fixed on the outer wall of the quantitative cylinder through the mounting frame, the outline of the guide block is in a waist circle shape, and the guide rod matched with the guide block is fixed on the sliding frame through the connecting column.
As a further scheme of the invention: the driving wheel is fixedly arranged on the output shaft of the driving motor, the driven wheel is fixedly arranged on the driving shaft, and the driving wheel is in transmission connection with the driven wheel through a transmission belt.
As a further scheme of the invention: when the telescopic pin is spirally lifted from the bottommost end of the spiral groove to the topmost end of the spiral groove, the first piston and the second piston correspondingly reach the other end from one end of the stroke.
The invention has the beneficial effects that:
the spiral ascending filling head is utilized to fill the liquid preparation in the filling cylinder layer by layer, so that the real-time liquid level distance between the filling head and the liquid preparation is ensured to be constant, meanwhile, due to the fact that the filling is carried out according to a circumferential path, the falling liquid preparation and the filled liquid preparation are staggered, the impact of the falling liquid preparation on the filled liquid preparation in the filling cylinder can be effectively reduced, a large amount of foam and cavitation areas are prevented from being generated due to liquid phase impact, and the liquid detection precision is further improved; in the filling process, the quantitative cylinder is used for quantitatively distributing and continuously and uninterruptedly conveying the liquid preparation, so that the synchronism of the spiral rising of the filling head and the filling of the liquid preparation can be ensured, and the filling efficiency and the filling precision are further improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the outer sleeve and eccentric tube structure of the present invention;
FIG. 3 is a schematic view showing the state of the telescopic pin at the topmost end of the spiral groove according to the present invention;
FIG. 4 is a schematic view showing the state of the telescopic pin in the lowermost end of the spiral groove according to the present invention;
Figure 5 is a cross-sectional view of the outer sleeve and inner sleeve of the present invention;
FIG. 6 is an enlarged view of FIG. 5A in accordance with the present invention;
FIG. 7 is an enlarged view of the invention at B in FIG. 5;
FIG. 8 is a schematic view of the structure of the scraper of the present invention;
FIG. 9 is a schematic view showing the internal structure of the metering cylinder according to the present invention;
FIG. 10 is a schematic view of the structure of the metering cylinder and reciprocating drive mechanism of the present invention;
fig. 11 is a schematic view of the structure of the reciprocating drive mechanism and linkage assembly of the present invention.
In the figure: 1. a substrate; 2. an outer sleeve; 3. a spiral groove; 4. an inner sleeve; 401. a cavity; 402. an electromagnet; 403. a spring; 5. a telescopic pin; 6. a drive shaft; 7. a slide bar; 8. a mounting table; 9. an eccentric tube; 901. a through hole; 902. a seal ring; 10. a filling head; 11. a conveyor belt; 12. a charging barrel; 13. a liquid level sensor; 14. a charging barrel sensor; 15. a controller; 16. a sleeve plate; 17. a rigid tube; 18. a flexible tube; 19. sealing sleeve; 20. a limiting block; 21. a scraper; 22. a quantitative cylinder; 23. a first separator; 24. a second separator; 25. a first metering chamber; 26. a second dosing chamber; 27. a first piston; 28. a second piston; 29. a first push-pull rod; 30. a second push-pull rod; 31. a first one-way valve; 32. a second one-way valve; 33. a first feed tube; 34. a second feed tube; 35. a storage bin; 36. a reciprocating drive mechanism; 3601. a rectangular frame; 3602. a first connecting rod; 3603. a second connecting rod; 3604. a chute; 3605. a carriage; 3606. waist round gear ring; 3607. a driving motor; 3608. a gear; 3609. a mounting frame; 3610. a guide block; 3611. a connecting column; 3612. a guide rod; 37. a linkage assembly; 3701. a driving wheel; 3702. driven wheel; 3703. a driving belt.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
Referring to fig. 1 and 2, the invention discloses a liquid preparation filling machine based on liquid detection, which comprises a base plate 1 and a conveying belt 11 positioned on one side of the base plate 1, wherein the conveying belt 11 is used for conveying a charging barrel 12, and a liquid level sensor 13 for detecting the liquid level of the liquid preparation in the charging barrel 12 is arranged on the base plate 1; the device also comprises an outer sleeve 2, an inner sleeve 4, a driving shaft 6, a mounting table 8, an eccentric pipe 9 and a filling head 10, wherein the outer sleeve 2 is fixedly mounted on the base plate 1, and a spiral groove 3 is formed in the outer sleeve 2; the inner sleeve 4 is movably sleeved in the outer sleeve 2, and a telescopic pin 5 matched with the spiral groove 3 is arranged on the outer side wall of the inner sleeve 4; a plurality of sliding strips 7 extending along the axial direction are circumferentially distributed on the driving shaft 6, and the inner sleeve 4 is axially matched with the sliding strips 7 in a sliding manner; the mounting table 8 is fixed at the bottom of the inner sleeve 4; the eccentric tube 9 is arranged on the mounting table 8; the filling head 10 is arranged at the lower end of the eccentric pipe 9, and the filling head 10 is eccentrically arranged relative to the driving shaft 6;
specifically, referring to fig. 3, in the initial state, the inner sleeve 4 is entirely located inside the outer sleeve 2, and the telescopic pin 5 is extended out and embedded into the spiral groove 3 and located at the top end of the spiral groove 3; the filling head 10 at the lower end of the eccentric tube 9 is higher than the highest point of the charging barrel 12, so that the conveyer belt 11 is not prevented from normally conveying the charging barrel 12 forwards;
Referring to fig. 4, when the conveyor belt 11 conveys a group of empty charging barrels 12 to the position right below the driving shaft 6, the liquid preparation filling procedure is started, the telescopic pin 5 is retracted into the inner sleeve 4, the telescopic pin 5 is separated from the spiral groove 3, the inner sleeve 4 is not limited by the outer sleeve 2 any more, and the inner sleeve 4 vertically slides downwards along the sliding strip 7 under the action of gravity until the filling head 10 reaches the inner bottom of the charging barrels 12;
Then the telescopic pin 5 stretches out and is embedded into the spiral groove 3 again, and the telescopic pin 5 is located at the bottommost end of the spiral groove 3; the driving shaft 6 rotates circumferentially, and the filling head 10 is opened at the same time, and the sliding strip 7 limits the inner sleeve 4 to slide axially relative to the driving shaft 6 only, but not rotate circumferentially relative to the driving shaft 6, so that the driving shaft 6 can be utilized to drive the inner sleeve 4 to rotate circumferentially synchronously, and further drive the eccentric pipe 9 below and the filling head 10 to rotate circumferentially synchronously, and the filling head 10 is arranged eccentrically relative to the driving shaft 6, so that the filling head 10 can fill liquid preparation in the charging barrel 12 according to a circumferential path;
In addition, due to the limiting effect of the spiral groove 3 on the telescopic pin 5, the telescopic pin 5 only can spirally ascend along the path of the spiral groove 3, so that the inner sleeve 4 performs spiral ascending motion relative to the outer sleeve 2, and the filling head 10 gradually ascends while rotating circumferentially, so that the liquid preparation is filled in the charging barrel 12 layer by layer until the telescopic pin 5 reaches the top end of the spiral groove 3 again, the filling head 10 just reaches the initial position, and one filling period is ended; the liquid preparation can be filled continuously by reciprocating in this way.
It should be noted that, the driving shaft 6 may be driven by an external device, the opening and closing of the filling head 10 need to be synchronized with the movement state of the driving shaft 6, and in practical application, the volume of the liquid preparation filled in the charging barrel 12 just reaches the set requirement in the process that the inner sleeve 4 is spirally lifted from the bottommost end to the topmost end by adjusting the flow of the filling head 10;
The radius of the ascending circular path, namely the radial eccentric distance of the filling head 10 relative to the driving shaft 6, the radius value of the circular path can be adaptively set according to the specification of the charging barrel 12, and the filling head 10 is generally positioned at the center of the inner side wall and the center point of the charging barrel 12, so that the liquid preparation can be uniformly spread, and the real-time liquid level of the liquid preparation can be ensured to be stable;
The spiral ascending filling head 10 is utilized to fill the liquid preparation layer by layer in the filling barrel 12, so that the real-time liquid level distance between the filling head 10 and the liquid preparation is ensured to be constant, meanwhile, due to the fact that the filling is carried out according to a circumferential path, the falling liquid preparation and the filled liquid preparation are staggered, compared with the traditional fixed type filling head 10, the impact of the falling liquid preparation on the filled liquid preparation in the filling barrel 12 can be effectively reduced, the filling process is softer, a large amount of foam and cavitation areas are avoided due to liquid phase impact, and the liquid detection precision is improved.
In one embodiment, considering that the telescopic pin 5 needs to be retracted into the inner sleeve 4 before starting filling, the telescopic pin 5 is separated from the spiral groove 3, so that the inner sleeve 4 is convenient to vertically descend under the action of gravity to drive the filling head 10 to extend into the charging barrel 12; in the filling process, the telescopic pin 5 needs to pop up again and be embedded into the bottommost end of the spiral groove 3, so that the driving shaft 6 can conveniently drive the inner sleeve 4 to spirally rise, and the filling head 10 can be driven to perform circumferential filling in the charging barrel 12 and perform layer-by-layer filling at the same time;
referring to fig. 5 and 6, for the above process, it is necessary to control the telescopic state of the telescopic pin 5 according to different nodes, in this embodiment, a cavity 401 is formed in the inner sleeve 4, the telescopic pin 5 is slidably embedded in the cavity 401, an electromagnet 402 is further disposed in the cavity 401, the telescopic pin 5 is made of iron, and a spring 403 is disposed between the telescopic pin 5 and the electromagnet 402;
Specifically, when the empty loading cylinder 12 reaches the position right below the driving shaft 6, the electromagnet 402 is electrified, so that the telescopic pin 5 is attracted, the spring 403 is compressed, the telescopic pin 5 is retracted into the cavity 401, the telescopic pin 5 is separated from the spiral groove 3, so that the axial limitation on the inner sleeve 4 is relieved, and the inner sleeve 4 can vertically descend under the action of gravity; when the inner sleeve 4 descends to the bottommost end, the electromagnet 402 is de-energized, and the telescopic pin 5 is ejected from the cavity 401 under the elastic force of the spring 403 and is embedded again in the bottommost end of the spiral groove 3.
Further, referring to fig. 1, the device further includes a charging barrel sensor 14 and a controller 15, wherein the charging barrel sensor 14 is disposed on the substrate 1 and is used for detecting whether the charging barrel 12 reaches the filling position; the filling position is that the filling cylinder 12 just reaches the position right below the driving shaft 6;
A controller 15 is arranged on the base plate 1 and is used for controlling the electromagnet 402 to be electrified and starting timing when the charging barrel sensor 14 detects that the charging barrel 12 reaches the filling position so as to retract the telescopic pin 5 into the cavity 401; when the timing reaches the preset time length T, the electromagnet 402 is controlled to be powered off, so that the telescopic pin 5 extends out of the bottommost end of the embedded spiral groove 3; the preset time period T may be set correspondingly according to the time for the inner sleeve 4 to slide down to the bottommost end, and in practical application, for example, the inner sleeve 4 starts to slide down until reaching the bottommost end for 2s after the telescopic pin 5 retracts into the cavity 401, the preset time period T may be set to 3-5s, so long as the inner sleeve 4 is ensured to slide down from the topmost end to the bottommost end within the preset time period T.
By providing the charging barrel sensor 14 and the controller 15, the expansion and contraction of the expansion pin 5 can be correspondingly controlled according to the position state of the charging barrel 12, so that the filling head 10 can automatically extend into the charging barrel 12 for filling the liquid preparation.
Furthermore, considering that the eccentric tube 9 rises synchronously and spirally along the inner sleeve 4 in the filling process, the height and the rotation angle of the eccentric tube 9 are also continuously changed, and if the external feed tube is directly connected with the eccentric tube 9, the external feed tube is inevitably twisted, knotted and even broken;
Referring to fig. 5 and 7, in order to solve the above problem, in this embodiment, a sleeve plate 16 is fixed on the outer sleeve 2, and a rigid tube 17 is vertically sleeved in the sleeve plate 16 in a sliding manner; the upper end of the rigid pipe 17 is connected with a flexible pipe 18, and the lower end is connected with a sealing sleeve 19; the sealing sleeve 19 is in rotary sealing connection with the eccentric tube 9, and the eccentric tube 9 is communicated with the inside of the sealing sleeve 19;
when the eccentric tube 9 and the inner sleeve 4 vertically drop relative to the outer sleeve 2, the sealing sleeve 19 is only in rotary connection with the eccentric tube 9, so that the rigid tube 17 and the eccentric tube 9 cannot axially move relative to each other, and the rigid tube 17 can be driven to synchronously slide downwards relative to the sleeve plate 16; when the eccentric tube 9 and the inner sleeve 4 are spirally lifted relative to the outer sleeve 2, the sealing sleeve 19 is rotationally connected with the eccentric tube 9, so that the sealing sleeve 19 can rotate relative to the eccentric tube 9, the rigid tube 17 gradually slides upwards along the sleeve plate 16, and meanwhile, the communication between the eccentric tube 9 and the inside of the sealing sleeve 19 is always ensured; in this way, through the rotary connection of the sealing sleeve 19 and the eccentric tube 9, the continuous conveying of the liquid preparation in the eccentric tube 9 can be ensured, and meanwhile, the phenomenon that the rigid tube 17 and the flexible tube 18 are twisted and knotted can be avoided;
In addition, in order to enable the eccentric tube 9 to stop after sliding down to a proper height, a limiting block 20 is arranged at the upper end of the rigid tube 17, and the specific position of the limiting block 20 can be set according to the sliding-down height of the eccentric tube 9, namely, when the filling head 10 descends to a specific position in the charging barrel 12, such as a position 2cm away from the inner bottom surface of the charging barrel 12, the limiting block 20 is just contacted with the sleeve plate 16, so that the filling head 10 is limited to continue to descend, and the telescopic pin 5 is just aligned with the bottommost end of the spiral groove 3.
For the eccentric tube 9 and the sealing sleeve 19 are communicated, specifically referring to fig. 7, a plurality of through holes 901 are circumferentially formed in the eccentric tube 9, the through holes 901 are located in the sealing sleeve 19, a sealing ring 902 is further arranged on the outer wall of the eccentric tube 9, and a sealing groove matched with the sealing ring 902 is formed in the sealing sleeve 19;
When the eccentric tube 9 rotates relative to the sealing sleeve 19, the liquid preparation in the rigid tube 17 flows into the sealing sleeve 19 and flows into the eccentric tube 9 through each through hole 901, so that continuous and uninterrupted delivery of the liquid preparation is ensured;
It should be noted that, the size and the number of the through holes 901 can be set according to the actual working condition, so as to ensure that no matter what position the rotation angle of the eccentric tube 9 is, at least one through hole 901 is always communicated with the rigid tube 17, thereby ensuring that the liquid preparation in the rigid tube 17 can continuously flow into the eccentric tube 9, and avoiding the influence on the filling continuity due to the condition of short interruption.
Considering that the filling head 10 performs circumferential filling in the charging barrel 12, when the viscosity of the liquid preparation is relatively high, the liquid preparation can not be rapidly flattened in a short time due to the fact that the liquid preparation flows only by itself due to poor fluidity, so that the accuracy of subsequent liquid level detection is affected; for this purpose, referring to fig. 8, the filling head 10 is provided with a scraper 21, and the scraper 21 is located at a side facing away from the rotation direction of the filling head 10; when the filling head 10 rotates circumferentially according to a certain rotation direction, the scraping plate 21 at the rear of the filling head can scrape the liquid preparation extruded from the filling head 10, so that the liquid preparation is rapidly flattened, and the liquid preparation is distributed more uniformly.
In yet another embodiment, referring to fig. 1 and 9, the quantitative measuring device further comprises a quantitative barrel 22 and a storage box 35 which are fixedly installed on the base plate 1, wherein a first partition plate 23 and a second partition plate 24 are arranged in the quantitative barrel 22, and the first partition plate 23 and the second partition plate 24 divide the quantitative barrel 22 into a first quantitative cavity 25, a separation cavity and a second quantitative cavity 26 in sequence; the separation chamber communicates with the flexible tube 18; a first piston 27 is slidably arranged in the first dosing chamber 25, and a second piston 28 is slidably arranged in the second dosing chamber 26; the first piston 27 is provided with a first push-pull rod 29, and the second piston 28 is provided with a second push-pull rod 30; the first baffle plate 23 and the second baffle plate 24 are respectively provided with a first check valve 31 and a second check valve 32; the first dosing chamber 25 is in communication with a storage tank 35 through a first feed pipe 33, and the second dosing chamber 26 is in communication with the storage tank 35 through a second feed pipe 34; a third one-way valve is arranged in the first feeding pipe 33, and a fourth one-way valve is arranged in the second feeding pipe 34;
the first dosing chamber 25 and the second dosing chamber 26 are arranged in the dosing cylinder 22, and simultaneously the movement directions of the first piston 27 and the second piston 28 are opposite, so that the liquid preparation can be continuously sucked and extruded, and the continuous dosing of the liquid preparation in the flexible tube 18 is realized;
Specifically, when the first piston 27 is pulled away from the first partition 23 by the first push-pull rod 29, the third one-way valve is opened and the first one-way valve 31 is closed under the action of negative pressure, so that the liquid preparation in the storage tank 35 is sucked into the first dosing chamber 25 through the first feed pipe 33; simultaneously, the second piston 28 is pushed to be close to the second partition board 24 through the second push-pull rod 30, the second one-way valve 32 is opened under the positive pressure effect, and the fourth one-way valve is closed, so that the liquid preparation in the second quantitative cavity 26 is extruded into the partition cavity and finally enters the flexible pipe 18;
Subsequently, likewise, when the second piston 28 is pulled away from the second partition 24 by the second push-pull rod 30, the fourth one-way valve is opened and the second one-way valve 32 is closed under the action of negative pressure, so that the liquid preparation in the storage tank 35 is sucked into the second dosing chamber 26 through the second feed pipe 34; simultaneously, the first piston 27 is pushed to be close to the first partition plate 23 through the first push-pull rod 29, under the positive pressure effect, the first one-way valve 31 is opened, and the third one-way valve is closed, so that the liquid preparation in the first quantitative cavity 25 is extruded into the partition cavity and finally enters the flexible pipe 18;
By the synchronous reverse movement of the first piston 27 and the second piston 28, the liquid preparation in the storage box 35 can be sucked into the first quantitative cavity 25 and the liquid preparation in the second quantitative cavity 26 can be extruded into the flexible pipe 18, or the liquid preparation in the storage box 35 can be sucked into the second quantitative cavity 26 and the liquid preparation in the first quantitative cavity 25 can be extruded into the flexible pipe 18; in this way, continuous and uninterrupted delivery of the liquid formulation within the flexible tube 18 is achieved while ensuring that the volume of liquid formulation delivered each time remains constant;
It should be noted that, during use, the synchronicity of the movements of the first piston 27 and the second piston 28 needs to be ensured, that is, when the first piston 27 is far away from the first partition 23, the second piston 28 should be close to the second partition 24 synchronously; moreover, the rate of movement of the first and second pistons 27, 28 should be consistent, i.e. when the first piston 27 reaches the other end of the stroke from one end of the stroke, the second piston 28 also reaches the other end from the end of the stroke just as well;
In addition, the volumes of the first and second dosing chambers 25, 26 should be consistent with the required filling volume in the charging barrel 12, so that the volume of liquid formulation extruded into the flexible tube 18 by the dosing barrel 22 is consistent with the volume of liquid formulation extruded at the filling head 10 in each feeding period, thereby realizing quantitative filling and further ensuring the precision of subsequent liquid level detection.
Further, in order to enable the first piston 27 and the second piston 28 to synchronously move in opposite directions, in this embodiment, please refer to fig. 10 and 11, the device further includes a reciprocating driving mechanism 36 for driving the first piston 27 and the second piston 28 to synchronously move in opposite directions, the reciprocating driving mechanism 36 includes a rectangular frame 3601, a sliding frame 3605, a driving motor 3607, and a guide block 3610, two ends of the rectangular frame 3601 are respectively provided with a first connecting rod 3602 and a second connecting rod 3603, the first connecting rod 3602 is fixedly connected with the first push-pull rod 29, the second connecting rod 3603 is fixedly connected with the second push-pull rod 30, and a sliding groove 3604 is formed in the rectangular frame 3601; the sliding frame 3605 is arranged in the sliding groove 3604 in a sliding manner, and a waist-round gear ring 3606 is arranged in the sliding frame 3605 in a hollowed-out manner; the driving motor 3607 is fixedly arranged on the outer wall of the quantifying cylinder 22, and a gear 3608 meshed with the kidney-shaped gear ring 3606 is arranged on the output shaft of the driving motor 3607; the guide block 3610 is fixed on the outer wall of the quantitative cylinder 22 through a mounting frame 3609, the outer contour of the guide block 3610 is in a waist-round shape, and a guide rod 3612 matched with the guide block 3610 is fixed on the sliding frame 3605 through a connecting column 3611;
Specifically, the driving motor 3607 drives the gear 3608 to rotate, and under the action of the fit limit of the guide rod 3612 and the guide block 3610, the guide rod 3612 is attached to the outer contour of the guide block 3610 to circularly move, so as to drive the sliding frame 3605 to reciprocally slide back and forth in the sliding groove 3604, and simultaneously drive the rectangular frame 3601 to reciprocally move left and right, so as to drive the first piston 27 and the second piston 28 to reciprocally move, so that the first piston 27 and the second piston 28 can synchronously and reversely move, and continuous pumping and quantitative conveying of the liquid preparation are realized;
When the rectangular frame 3601 moves leftwards, the first piston 27 is driven to be far away from the first partition plate 23, so that the liquid preparation in the storage box 35 is pumped into the first quantitative cavity 25, and the second piston 28 is driven to be close to the second partition plate 24, so that the liquid preparation in the second quantitative cavity 26 is extruded into the flexible pipe 18; likewise, when rectangular frame 3601 moves to the right, first piston 27 is driven to approach first partition 23, thereby pumping liquid formulation in first dosing chamber 25 into flexible tube 18, while second piston 28 is driven to approach second partition 24, thereby pumping liquid formulation in reservoir 35 into second dosing chamber 26;
It should be noted that, in this embodiment, only a specific form of the reciprocating drive mechanism 36 is disclosed, and the specific structure thereof may not be limited, so long as the synchronous reverse reciprocating motion function of the first piston 27 and the second piston 28 can be achieved, thereby achieving the effects of dosing and continuous uninterrupted delivery of the liquid preparation.
Further, referring to fig. 10 and 11, in order to ensure the synchronicity of the filling process and the delivery of the liquid preparation, the device further comprises a linkage assembly 37, wherein the linkage assembly 37 comprises a driving wheel 3701 fixedly installed on the output shaft of a driving motor 3607 and a driven wheel 3702 fixedly installed on a driving shaft 6, and the driving wheel 3701 and the driven wheel 3702 are in transmission connection through a transmission belt 3703;
When the driving motor 3607 drives the first piston 27 and the second piston 28 to reciprocate, the driving shaft 6 is driven to synchronously rotate under the transmission of the transmission belt 3703, so that the synchronous carrying out of the liquid preparation conveying and filling process is realized;
Specifically, when the empty loading cylinder 12 reaches the position right below the driving shaft 6, the telescopic pin 5 is retracted into the inner sleeve 4, the inner sleeve 4 drives the eccentric tube 9 to synchronously slide down to the position, then the telescopic pin 5 is ejected out and embedded into the bottommost end of the spiral groove 3, the driving motor 3607 drives the reciprocating driving mechanism 36 to reciprocate, so that the liquid preparation in the first quantitative cavity 25 or the second quantitative cavity 26 is extruded into the flexible tube 18, and the liquid preparation enters the eccentric tube 9 through the rigid tube 17 and finally is extruded from the filling head 10; meanwhile, the driving motor 3607 drives the driving shaft 6 to synchronously rotate, so that the filling head 10 is spirally lifted, and the layer-by-layer circumferential filling in the charging barrel 12 is realized;
When the telescopic pin 5 is spirally lifted from the bottommost end of the spiral groove 3 to the topmost end of the spiral groove 3, the first piston 27 and the second piston 28 correspondingly reach the other end from one end of the stroke; in this way, during a complete filling cycle in which the filling head 10 is spiralled from the bottommost to the topmost, a set of doses of liquid formulation can just be completely filled into the cartridge 12, thereby improving the filling accuracy.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (5)
1. The liquid preparation filling machine based on liquid discharge detection comprises a base plate (1) and a conveying belt (11) positioned on one side of the base plate (1), wherein the conveying belt (11) is used for conveying a charging barrel (12), and a liquid level sensor (13) used for detecting the liquid level height of the liquid preparation in the charging barrel (12) is arranged on the base plate (1);
Characterized by further comprising:
an outer sleeve (2) fixedly mounted on the base plate (1), wherein a spiral groove (3) is formed in the outer sleeve (2);
The inner sleeve (4) is movably sleeved in the outer sleeve (2), and a telescopic pin (5) matched with the spiral groove (3) is arranged on the outer side wall of the inner sleeve (4);
the driving shaft (6) is circumferentially provided with a plurality of sliding strips (7) extending along the axial direction, and the inner sleeve (4) is axially matched with the sliding strips (7) in a sliding manner;
a mounting table (8) fixed to the bottom of the inner sleeve (4);
An eccentric tube (9) that is provided on the mounting table (8);
The filling head (10) is arranged at the lower tail end of the eccentric pipe (9), and the filling head (10) is eccentrically arranged relative to the driving shaft (6);
when the conveying belt (11) conveys the charging barrel (12) to the position right below the driving shaft (6), the telescopic pin (5) is retracted into the inner sleeve (4), and the inner sleeve (4) vertically slides downwards until the filling head (10) reaches the inner bottom of the charging barrel (12);
When the filling head (10) starts filling, the telescopic pin (5) stretches out and is embedded into the bottommost end of the spiral groove (3), the driving shaft (6) drives the inner sleeve (4) to spirally rise, and the filling head (10) is synchronously driven to fill the liquid preparation in the charging barrel (12) layer by layer according to a circumferential path;
the quantitative barrel (22) and the storage box (35) are fixedly arranged on the base plate (1), a first partition plate (23) and a second partition plate (24) are arranged in the quantitative barrel (22), and the first partition plate (23) and the second partition plate (24) divide the interior of the quantitative barrel (22) into a first quantitative cavity (25), a separation cavity and a second quantitative cavity (26) in sequence; the separation chamber is communicated with a flexible pipe (18);
A first piston (27) is arranged in the first quantitative cavity (25) in a sliding manner, and a second piston (28) is arranged in the second quantitative cavity (26) in a sliding manner; a first push-pull rod (29) is arranged on the first piston (27), and a second push-pull rod (30) is arranged on the second piston (28); a first one-way valve (31) and a second one-way valve (32) are respectively arranged on the first partition plate (23) and the second partition plate (24);
The first quantitative cavity (25) is communicated with the storage box (35) through a first feeding pipe (33), and the second quantitative cavity (26) is communicated with the storage box (35) through a second feeding pipe (34); a third one-way valve is arranged in the first feeding pipe (33), and a fourth one-way valve is arranged in the second feeding pipe (34);
a cavity (401) is formed in the inner sleeve (4), the telescopic pin (5) is embedded in the cavity (401) in a sliding mode, an electromagnet (402) is further arranged in the cavity (401), the telescopic pin (5) is made of iron, and a spring (403) is arranged between the telescopic pin (5) and the electromagnet (402);
When the empty loading cylinder (12) reaches the position right below the driving shaft (6), the electromagnet (402) is electrified to attract the telescopic pin (5), and the telescopic pin (5) is retracted into the cavity (401); when the inner sleeve (4) descends to the bottommost end, the electromagnet (402) is powered off, and the telescopic pin (5) pops out from the cavity (401) and is embedded into the bottommost end of the spiral groove (3);
A sleeve plate (16) is fixed on the outer sleeve (2), and a rigid pipe (17) is vertically sleeved in the sleeve plate (16) in a sliding manner; the upper end of the rigid pipe (17) is connected with a flexible pipe (18), and the lower end of the rigid pipe (17) is connected with a sealing sleeve (19); the sealing sleeve (19) is in rotary sealing connection with the eccentric pipe (9), and the eccentric pipe (9) is communicated with the inside of the sealing sleeve (19);
When the eccentric tube (9) and the inner sleeve (4) vertically drop relative to the outer sleeve (2), the rigid tube (17) and the eccentric tube (9) do not axially move relative to each other so as to drive the rigid tube (17) to synchronously slide downwards relative to the sleeve plate (16); when the eccentric tube (9) and the inner sleeve (4) are spirally lifted relative to the outer sleeve (2), the sealing sleeve (19) and the eccentric tube (9) rotate relatively, and the rigid tube (17) slides up the sleeve plate (16) and ensures the communication between the eccentric tube (9) and the inside of the sealing sleeve (19);
A plurality of through holes (901) are formed in the periphery of the eccentric tube (9), the through holes (901) are positioned in the sealing sleeve (19), a sealing ring (902) is further arranged on the outer wall of the eccentric tube (9), and a sealing groove matched with the sealing ring (902) is formed in the sealing sleeve (19);
when the telescopic pin (5) is spirally lifted from the bottommost end of the spiral groove (3) to the topmost end of the spiral groove (3), the first piston (27) and the second piston (28) correspondingly reach the other end from one end of the stroke.
2. The liquid formulation filling machine based on liquid out detection of claim 1, further comprising:
A charging barrel sensor (14) provided on the base plate (1) for detecting whether the charging barrel (12) reaches the filling position;
A controller (15) provided on the substrate (1) for:
When the charging barrel sensor (14) detects that the charging barrel (12) reaches a filling position, the electromagnet (402) is controlled to be electrified and starts to time, so that the telescopic pin (5) is retracted into the cavity (401); when the timing reaches the preset time length T, the electromagnet (402) is controlled to be powered off, so that the telescopic pin (5) stretches out of the bottommost end of the embedded spiral groove (3).
3. Liquid preparation filling machine based on liquid detection according to claim 1, characterized in that the filling head (10) is provided with a scraper (21), which scraper (21) is located at the side facing away from the direction of rotation of the filling head (10).
4. A liquid formulation filling machine based on tapping detection according to claim 1, further comprising a reciprocating drive mechanism (36) for driving the first piston (27) and the second piston (28) to move synchronously in opposite directions, said reciprocating drive mechanism (36) comprising:
The rectangular frame (3601) is provided with a first connecting rod (3602) and a second connecting rod (3603) at two ends respectively, the first connecting rod (3602) is fixedly connected with a first push-pull rod (29), the second connecting rod (3603) is fixedly connected with a second push-pull rod (30), and a sliding groove (3604) is formed in the rectangular frame (3601);
The sliding frame (3605) is arranged in the sliding groove (3604) in a sliding way, and a waist round gear ring (3606) is hollowed out in the sliding frame (3605);
A driving motor (3607) fixedly installed on the outer wall of the quantifying cylinder (22), wherein a gear (3608) meshed with the kidney-shaped gear ring (3606) is installed on the output shaft of the driving motor (3607);
The guide block (3610) is fixed on the outer wall of the quantitative cylinder (22) through the mounting frame (3609), the outer contour of the guide block (3610) is in a waist-round shape, and a guide rod (3612) matched with the guide block (3610) is fixed on the sliding frame (3605) through the connecting column (3611).
5. The liquid preparation filling machine based on liquid detection according to claim 4, further comprising a linkage assembly (37), wherein the linkage assembly (37) comprises a driving wheel (3701) fixedly mounted on an output shaft of a driving motor (3607) and a driven wheel (3702) fixedly mounted on a driving shaft (6), and the driving wheel (3701) and the driven wheel (3702) are in transmission connection through a transmission belt (3703).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410199954.3A CN118358801B (en) | 2024-02-23 | 2024-02-23 | Liquid preparation filling machine based on go out liquid detection |
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| CN202410199954.3A CN118358801B (en) | 2024-02-23 | 2024-02-23 | Liquid preparation filling machine based on go out liquid detection |
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| CN118358801B true CN118358801B (en) | 2024-08-16 |
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| KR20080101109A (en) * | 2007-05-16 | 2008-11-21 | 주식회사 두산플랜트 | Filling valve assembly with cleaning means, automatic cleaning system and method of filling valve |
| CN216737556U (en) * | 2021-06-28 | 2022-06-14 | 长兴净安环保科技有限公司 | Automatic change sanitizer filling device |
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| GB557590A (en) * | 1942-06-08 | 1943-11-26 | Batchelor S Peas Ltd | Improvements in or relating to machines for filling bottles or cans with liquid |
| JP7049887B2 (en) * | 2018-03-29 | 2022-04-07 | 三菱重工機械システム株式会社 | Liquid filling valve and filling machine |
| CN209210358U (en) * | 2018-10-12 | 2019-08-06 | 南阳市澳福来实业有限责任公司 | A kind of health care product bottle placer |
| CN109566992B (en) * | 2018-11-28 | 2022-05-31 | 香飘飘食品股份有限公司 | Highland barley cooking and filling process and highland barley cooking and filling device |
| CN110745756A (en) * | 2019-10-11 | 2020-02-04 | 深圳市乐业科技有限公司 | Automatic filling machine with positioning function |
| CN216918586U (en) * | 2021-11-03 | 2022-07-08 | 漯河恒丰机械制造科技有限公司 | Food filling device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080101109A (en) * | 2007-05-16 | 2008-11-21 | 주식회사 두산플랜트 | Filling valve assembly with cleaning means, automatic cleaning system and method of filling valve |
| CN216737556U (en) * | 2021-06-28 | 2022-06-14 | 长兴净安环保科技有限公司 | Automatic change sanitizer filling device |
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