CN114802844A - Filling platform and method for adjusting powder discharge amount - Google Patents
Filling platform and method for adjusting powder discharge amount Download PDFInfo
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- CN114802844A CN114802844A CN202110134893.9A CN202110134893A CN114802844A CN 114802844 A CN114802844 A CN 114802844A CN 202110134893 A CN202110134893 A CN 202110134893A CN 114802844 A CN114802844 A CN 114802844A
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- 239000000843 powder Substances 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005303 weighing Methods 0.000 claims abstract description 90
- 238000000280 densification Methods 0.000 claims abstract description 41
- 238000003825 pressing Methods 0.000 claims description 30
- 238000009704 powder extrusion Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 10
- 230000000284 resting effect Effects 0.000 description 14
- 238000007599 discharging Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 235000013361 beverage Nutrition 0.000 description 5
- 239000002775 capsule Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 241000533293 Sesbania emerus Species 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
-
- 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
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/10—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
- B65B1/12—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders of screw type
-
- 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
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/20—Reducing volume of filled material
- B65B1/24—Reducing volume of filled material by mechanical compression
-
- 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
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/54—Means for supporting containers or receptacles during the filling operation
- B65B43/59—Means for supporting containers or receptacles during the filling operation vertically movable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention provides a filling platform and a method for adjusting powder discharge quantity, wherein the filling platform comprises: a plurality of mounting seats arranged in parallel at intervals; an empty cup weighing cup supporting assembly, a densification cup supporting assembly and a full cup weighing cup supporting assembly are sequentially and transversely arranged below the plurality of mounting seats, and a filling head is suspended above the densification cup supporting assembly; the empty cup weighing and supporting assembly is used for weighing empty cups in the placing holes when the placing plate is controlled to move to the position above the empty cup weighing and supporting assembly, and the full cup weighing and supporting assembly is configured to weigh full cups in the placing holes when the placing plate is controlled to move to the position above the full cup weighing and supporting assembly; and the controller is used for adjusting the discharge amount of the filling head based on the weight difference between the empty cup weight measured by the empty cup weighing and supporting cup assembly and the full cup weight measured by the full cup weighing and supporting cup assembly. The invention solves the problem that the filling mechanism in the prior art is difficult to control the filling precision.
Description
Technical Field
The invention relates to the field of filling, in particular to a filling platform and a method for adjusting powder discharge amount.
Background
With the continuous pursuit of people on the taste of the beverage and the emphasis on the convenience of carrying, storing, extracting and the like of the beverage, the beverage is processed into the beverage capsule which is convenient to store and carry. The capsule coffee is a capsule beverage, and is prepared by grinding coffee beans into coffee powder and then filling the coffee powder into an aluminum capsule, so that the problems of acid change, oxidation and the like of common coffee beans or coffee powder after contacting air are solved.
The existing capsule coffee is poor in filling quality and even influences the later-stage packaging effect due to the fact that the amount of powder filled into the cup body cannot be controlled in the production and filling processes.
In view of the above, there is a need for an improved filling mechanism in the prior art to solve the above problems.
Disclosure of Invention
The invention aims to disclose a filling platform and a method for adjusting powder discharge amount, which aim to solve the problem of poor filling quality caused by difficulty in controlling filling precision of a filling mechanism in the prior art.
To achieve the above object, the present invention provides a filling platform, comprising:
a plurality of mounting seats arranged in parallel at intervals;
an empty cup weighing cup supporting component, a densification cup supporting component and a full cup weighing cup supporting component are sequentially and transversely arranged below the plurality of mounting seats, and a filling head is suspended above the densification cup supporting component;
a shelving plate disposed across the plurality of mounting seats and slidably coupled to the mounting seats, the shelving plate defining a placement aperture for shelving a cup, wherein the empty cup weighing tray assembly is configured to empty a cup within the placement aperture when the shelving plate is controllably moved over the empty cup weighing tray assembly, and the full cup weighing tray assembly is configured to full weigh a cup within the placement aperture when the shelving plate is controllably moved over the full cup weighing tray assembly; and the number of the first and second groups,
and the controller is connected with the empty-cup weighing cup supporting component and the full-cup weighing cup supporting component and is used for adjusting the powder discharge amount of the filling head based on the weight difference value between the empty-cup weight measured by the empty-cup weighing cup supporting component and the full-cup weight measured by the full-cup weighing cup supporting component.
As a further refinement of the invention, the controller is configured to:
and adjusting the number of rotation turns of the screw rod in the filling head based on the relation between the weight difference value and the preset weight difference range so as to adjust the powder discharge amount of the filling head.
As a further refinement of the invention, the controller is further configured to:
if the weight difference value is higher than the upper limit value of the preset weight difference range, reducing the number of turns of the screw;
and if the weight difference value is lower than the lower limit value of the preset weight difference range, increasing the number of rotation turns of the screw.
As a further improvement of the present invention, a pressing head is covered at the end of the filling head, and a through hole for extruding the powder is formed in the pressing head, the densification cup holder assembly is configured to hold the cup body up to a first preset height for the filling head to fill the cup body with the powder, or hold the cup body up to a second preset height for the pressing head to compact the powder in the cup body, wherein the first preset height is lower than the second preset height.
As a further improvement of the invention, the method also comprises the following steps: and the controller controls the driving assembly to drive the filling head to fill the cup body with the adjusted powder discharge amount.
In a second aspect, the present invention further provides a method for adjusting the discharging amount of powder, including:
controlling the placing plates transversely arranged on the plurality of mounting plates arranged in parallel at intervals to move to the position above the empty cup weighing cup supporting assembly so as to carry out empty cup weighing on the cup body in the placing hole formed in the placing plate through the empty cup weighing assembly;
controlling the placing plate to move to the position above the densification cup supporting assembly so as to fill the cup body with powder through a filling head suspended above the densification cup supporting assembly;
controlling the placing plate to move to a position above the full-cup weighing cup supporting assembly so as to carry out full-cup weighing on the powder-filled cup body through the full-cup weighing cup supporting assembly;
and adjusting the powder discharge amount of the filling head based on the weight difference between the empty cup weight measured by the empty cup weighing and supporting assembly and the full cup weight measured by the full cup weighing and supporting assembly.
As a further improvement of the present invention, the adjusting of the powder discharge amount of the filling head based on a weight difference between an empty cup weight measured by the empty cup weighing tray assembly and a full cup weight measured by the full cup weighing tray assembly includes:
and adjusting the number of rotation turns of the screw rod in the filling head based on the relation between the weight difference value and the preset weight difference range so as to adjust the powder discharge amount of the filling head.
As a further improvement of the present invention, the adjusting the number of turns of the screw in the filling head based on the relationship between the weight difference value and the preset weight difference range includes:
if the weight difference value is higher than the upper limit value of the preset weight difference range, reducing the number of turns of the screw;
and if the weight difference value is lower than the lower limit value of the preset weight difference range, increasing the number of rotation turns of the screw.
As a further improvement of the invention, the method for filling the powder into the cup body through the filling head suspended above the densification supporting cup assembly comprises the following steps:
controlling the densification cup supporting assembly to support the cup body to rise to a first preset height so that the filling head fills powder into the cup body in the placing hole;
and controlling the densification cup supporting assembly to support the cup body to rise to a second preset height so that the pressing head arranged at the tail end of the filling head compacts the powder in the cup body, wherein the first preset height is lower than the second preset height.
As a further improvement of the invention, the method also comprises the following steps:
and controlling the filling head to fill the cup body with the adjusted powder discharge amount.
Compared with the prior art, the invention has the beneficial effects that:
according to the filling platform, the empty cup weighing is carried out on the cup body in the placing hole of the placing plate moved to the upper part of the filling platform through the empty cup weighing cup supporting assembly, the full cup weighing is carried out on the cup body in the placing hole of the placing plate moved to the upper part of the filling platform through the full cup weighing cup supporting assembly after the cup body is filled with powder, the powder discharging amount of the filling head is adjusted through the controller according to the measured weight difference between the empty cup weight and the full cup weight, and therefore the powder discharging amount of the filling head during filling of the cup body is maintained in a required range, the powder filling precision is improved, and the filling quality and the filling efficiency of the powder are guaranteed. Therefore, the filling platform solves the problem that the filling quality is poor due to the fact that the filling mechanism in the prior art is difficult to control the filling precision.
Drawings
FIG. 1 is a schematic perspective view of a filling platform according to one embodiment of the present disclosure;
FIG. 2 is a schematic front view of a filling platform according to one embodiment of the present disclosure;
fig. 3 is a schematic connection structure diagram between a filling head, a metering cone and a cylindrical shell according to an embodiment of the invention;
fig. 4 is a schematic structural block diagram of a control unit for adjusting the discharging amount of powder according to an embodiment of the present invention;
fig. 5 is a schematic connection structure diagram between a filling head, a metering cone and a cylindrical shell according to an embodiment of the invention;
fig. 6 is a schematic block diagram of a filling head according to an embodiment of the invention;
FIG. 7 is a bottom view of FIG. 3;
FIG. 8 is a schematic configuration view of a pressing head according to an embodiment of the present invention;
FIG. 9 is a schematic flow chart of a method of adjusting the discharge amount of powder according to one embodiment of the present invention;
FIG. 10 is a schematic flow chart of a method of adjusting the discharge amount of powder according to another embodiment of the present invention;
fig. 11 is a schematic flow chart of a method for adjusting the discharge amount of powder according to still another embodiment of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "positive", "negative", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Please refer to fig. 1 to 8 for a specific embodiment of a filling platform according to the present invention.
Referring to fig. 1 to 8, the present embodiment provides a filling platform, which includes a frame formed on a mounting base 90. The rack is specifically configured as two mounting plates 901 which are formed on the mounting base 90 and are symmetrically arranged in the longitudinal direction (i.e., the y-axis direction in fig. 1), a mounting bracket 902 is connected to each mounting plate 901, the mounting bracket 902 is detachably connected to the corresponding mounting plate 901, and the mounting bracket 902 is configured to slide laterally along the mounting plate 901. Two support beams 903 are spanned by two symmetrically arranged mounting frames 902. A power box 309 (only the bottom plate of the power box is shown in fig. 1 or 2) is provided between the two support beams 903. A shell is arranged below the power box 309, a cover plate 308 covered on the shell is attached to the bottom plate of the power box, and a feed inlet 3081 for enabling powder to enter the shell is formed in the cover plate 308. The housing is suspended within the space defined between the symmetrically arranged mounts 902. The symmetrically arranged mounting plates 901 are penetrated with the mounting bases 100 along a target direction (i.e., a z-axis direction in fig. 1). Wherein, the mounting seats 100 are configured as two, and one of the mounting seats is configured as a fixed seat 101', and the other mounting seat is configured as a screw seat 101 for mounting the screw 102. The mounting plates 901 are each formed with a mounting hole 104 through which the screw base 101 and the fixing base 101 'penetrate in the z-axis direction and which fixes the screw base 101 and the fixing base 101'. One side of one of the mounting plates is provided with a cylinder 103 (or a motor) for controlling the screw rod to move along the z-axis direction.
The housing may be configured specifically as a cylindrical housing 305. A metering cone hopper 304 is arranged below the cylindrical shell 305, the flared part of the metering cone hopper 304 is detachably connected with the bottom of the cylindrical shell 305, and the contracted part of the metering cone hopper 304 is connected with a filling head 30. Specifically, the contraction part of the metering cone 304 is connected with a conical pipe 302 detachably connected with the metering cone, and the contraction part of the conical pipe 302 is connected with a straight pipe 303 detachably connected with the metering cone. The driving assembly 3091 arranged in the power box 309 sequentially penetrates through the bottom plate of the power box and the cover plate 308 to extend into the cylindrical shell 305 so as to be connected with the screw 307 extending from the metering cone bucket 304 to the tail end of the straight pipe 303, specifically, the driving assembly 3091 is connected with the transmission rod 306 accommodated in the cylindrical shell 305 and extending to the metering cone bucket 304, and the tail end of the transmission rod 306 is connected with the screw 307. The distal end surface of the straight tube 303 is covered with a pressing head 301, and the pressing head 301 is formed with a through hole 3010 through which the powder is extruded. The end of the screw 307 is formed with a toggle 3014 which is limited in the through hole 3010 and is controlled to rotate, specifically, the toggle 3014 rotates in the through hole 3010 with the screw 307 as the axis when the screw 307 is controlled to rotate. Therefore, the driving assembly 3091 in the power box 309 controls the transmission rod 306 to drive the screw 307 to rotate at a high speed in the filling head 30, so that the powder is extruded through a gap between the screw 307 and the inner wall of the straight pipe 303, and the powder extruded by the filling head 30 is filled into the cup body, thereby filling the powder.
The poking piece 3014 is configured as an extending part extending vertically along the outer periphery of the end of the screw 307 in a direction away from the longitudinal axis of the screw, and the end of the extending part is in contact with the wall of the through hole 3010 but does not affect the rotation of the extending part in the through hole 3010 when the screw 307 is driven by the driving component to rotate. Alternatively, the ends of the extensions may be near or proximate to the walls of the through-holes 3010. In the embodiment of fig. 7(a) and 8, the extension portions are configured in two, and the two extension portions are located oppositely. The extension portion may be configured to be plural, and the plural extension portions may be uniformly distributed around the outer circumferential edge of the end of the screw 307. The poking piece 3014 formed at the end of the screw is controlled to rotate in the through hole 3010, so as to guide the powder extruded through the through hole of the pressing head 301, and further improve the discharging quality of the powder.
The pressing head 301 is formed of an annular sheet covering the distal end surface of the straight tube 303, and the inner diameter of the pressing head 301 is smaller than the inner diameter of the straight tube 303, and the outer diameter of the pressing head 301 is not smaller than the outer diameter of the straight tube 303. The pressing head 301 has a covering portion 3011 extending from the outer wall thereof in the longitudinal axis direction and coming into contact with the outer wall of the straight tube 303. The annular surface of the pressing head 301 is formed with a mounting hole 3012 for fixing the pressing head to the end of the straight tube 303, so as to realize reliable connection between the pressing head 301 and the straight tube 303. In some embodiments, as shown in fig. 7(b), a guide portion 3013 may extend along the edge of the through hole of the pressing head 301 toward the center thereof to guide the powder to be discharged through the through hole of the pressing head 301.
As shown in fig. 6 and 8, a recessed portion 3171 is formed at the end of the screw 307, a fixing member 317 is disposed on the circumferential surface of the pressing head 301, and a protrusion 3172 is formed at the center of the fixing member 317 and is confined in the recessed portion 3171 to be fixedly connected to the end of the screw 307, so as to further fix the pressing head 301.
It can be understood that the filling platform of the present embodiment drives the screw 307 to rotate at a high speed through the driving assembly 3091 disposed in the power box 309, so as to extrude the powder through the through hole 3010 formed in the pressing head 301, so that the powder extruded through the through hole 3010 of the pressing head 301 can stably fall into the cup, thereby preventing the powder from being discharged in a manner similar to a shower head, and causing the powder to fall to the edge of the cup, thereby affecting the sealing effect of the cup. From this, the problem of among the prior art the powder be similar gondola water faucet formula ejection of compact and lead to the powder to scatter to the cup border and influence the sealed effect of cup and the difficult dismantlement of structure complicacy and installation is solved.
In the above embodiment, continuing with the description of fig. 1 and 2, a shelf 20 is disposed on the rack. Further, the resting plate 20 is horizontally placed on the mounting seat 100 and is slidably connected with the mounting seat 100 (the resting plate 20 is bridged over the screw rod seat 101 and the fixed seat 101' along the x-axis direction, and the resting plate 20 is driven to move along the length direction of the screw rod seat 101 when the air cylinder 103 or the motor controls the movement of the screw rod 102). The resting plate 20 is formed with a resting hole 201 for resting the cup, wherein the resting plate 20 is configured such that the resting hole 201 corresponds to the position of the tip of the straight tube 303 when controllably moved below the tip of the straight tube 303. The longitudinal depth of the mounting hole 104 is higher than the height from the bottom of the screw base 101 to the upper surface of the resting plate 20.
The filling platform of this embodiment still includes: an empty cup weighing cup supporting assembly 904, a thickening cup supporting assembly 905 (specifically, the position of the cup supporting of the thickening cup supporting assembly 905 corresponds to the tail end of the straight pipe 303) and a full cup weighing cup supporting assembly 906 which are arranged below the plurality of mounting seats 100 in sequence, and the filling head 30 is suspended above the thickening cup supporting assembly 905. The empty weigh tray assembly 904 is configured to empty weigh cups within the placement hole when the resting plate 20 is controllably moved over the empty weigh tray assembly 904, and the full weigh tray assembly 906 is configured to full weigh cups within the placement hole 201 when the resting plate 20 is controllably moved over the full weigh tray assembly 906. The filling platform of this embodiment is configured with a controller 907 connected to the empty cup weighing cup supporting assembly 904 and the full cup weighing cup supporting assembly 906, and is configured to adjust the powder discharge amount of the filling head 30 based on a weight difference between the empty cup weight measured by the empty cup weighing cup supporting assembly 904 and the full cup weight measured by the full cup weighing cup supporting assembly 906.
Note that the empty cup weighing tray assembly 904 has a tray for receiving the cup in the placing hole 201, a driver for driving the tray to rise to receive the cup, and a load cell for measuring the weight of the cup when the tray receives the cup. Specifically, when the resting plate 20 moves above the empty cup weigh tray assembly 904 (i.e., the placement hole 201 of the resting plate 20 corresponds to the position of the tray in the empty cup weigh tray assembly 904), the driver drives the tray to move up to receive the cup while the load cell measures the weight of the cup. Wherein, the driver of the empty cup weighing tray assembly 904 can be connected with the controller 907, and the controller 907 can control the driver of the empty cup weighing tray assembly 904 to drive the tray to move upwards to accept the cup body in the placing hole 201 when the placing hole 201 of the placing plate 20 corresponds to the position of the tray in the empty cup weighing tray assembly 904. The full cup weighing cup holder assembly 906 has the same structural composition and weighing principle as the empty cup weighing cup holder assembly 904, and thus, detailed description thereof is omitted. Corresponding drivers for controlling the up-and-down movement of the empty cup weighing tray assembly 904 and the full cup weighing tray assembly 906 are respectively formed in the corresponding driving boxes 40.
The filling platform of this embodiment carries out empty cup weighing to the cup that moves to the place hole 201 of shelving board 20 above it through empty cup weighing support cup subassembly 904 to carry out full cup weighing to the cup that moves to the shelving board above it and places hole 201 through full cup weighing support cup subassembly 906 after cup filling powder, adjust the powder discharge of filling head 30 according to the weight difference value between empty cup weight and full cup weight that measure through controller 907, thereby make the powder discharge when filling head 30 fills the cup maintain in the regulation within range, with the precision that improves the powder filling, thereby ensure the filling quality and the filling efficiency of powder. From this, the filling platform of this embodiment has solved the filling mechanism among the prior art and has been difficult to control the filling precision and lead to the relatively poor problem of filling quality.
Further, the controller 907 is configured to: based on the relationship between the weight difference and the preset weight difference range, the number of turns of the screw 307 in the filling head is adjusted to adjust the powder discharge amount of the filling head 30. Specifically, if the weight difference value is higher than the upper limit value of the difference range of the preset weight, the number of rotation turns of the screw is reduced; and if the weight difference value is lower than the lower limit value of the preset weight difference range, increasing the rotation turns of the screw. The preset weight difference range can be set based on actual working condition requirements or conventional standards, which are not described in detail. The driving assembly 3091 is connected with the controller 907 to control the driving assembly 3091 to drive the filling head 30 to fill the cup body with the adjusted powder discharge amount through the controller 907, and specifically, the controller 907 controls the driving assembly 3091 to drive the screw 307 in the filling head 30 to rotate with the adjusted number of rotations, so as to adjust the powder discharge amount of the filling head 30. So set up, adjust the number of turns of screw rod according to the relation of weight difference value and predetermineeing the weight difference scope through controller 907, make the screw rod rotate with the number of turns after the adjustment, ensure that the powder load of filling head 30 is in the specified range to can ensure the filling precision of filling platform to the cup.
In the above embodiment, the densification cup assembly 905 is configured such that the cup in the placement hole 201 is lifted up to move toward the end of the straight tube 303 when the resting plate 20 is controllably moved below the end of the straight tube 303. Specifically, the densification cup holder assembly is configured to lift the cup body to a first predetermined height for the filling head 30 to fill the cup body with powder or to lift the cup body to a second predetermined height for the pressing head 301 to compact the powder in the cup body. Wherein the first preset height is lower than the second preset height. A driver for controlling the up and down movement of the densifying cup assembly 905 is formed in the driving box 40. The structure composition of the densification cup holder assembly 905 is the same as that of the empty cup weighing cup holder assembly 904, and is different from that of the empty cup weighing cup holder assembly 904 in that when the densification cup holder assembly 905 is configured to fill the cup body with powder through the filling head 30, a driver in the densification cup holder assembly 905 is controlled by the controller 907 to drive the corresponding cup holder to ascend by a first preset height, or when the powder in the cup body is compacted through the pressing head 301, the driver in the densification cup holder assembly 905 is controlled by the controller 907 to drive the corresponding cup holder to ascend by a second preset height.
It should be understood that, when the filling head 30 fills the powder in the cup, the densification cup supporting assembly is configured to support the cup to rise to a first preset height, so that the rim of the cup is close to the end of the filling head 30, and the filling head 30 is convenient to reliably fill the powder in the cup when extruding the powder, thereby reducing the filling environment deterioration caused by the powder sprinkled on the outer side of the rim of the cup and the rim of the cup due to the error of the relative position between the filling head 30 and the rim of the cup. Stop at filling head 30 to the cup carry out the filling and need press in the cup in the filling real-time, the densification holds in the palm the cup subassembly configuration and rises to the second and predetermine the height, and this second is predetermine highly to be greater than first predetermined height, so that filling head 30 terminal press head 301 stretches into to the interior powder surface of cup, through press head 301 flattening reliably and press the interior powder of cup, improve the interior powder surface's of cup roughness and increase the density of the interior powder of cup, thereby improve filling head 30 and to the filling effect of the interior powder of cup.
It can be seen from this that, the filling platform of this embodiment holds up the cup through the densification and rises to first preset height to fill the powder to the cup through the filling head 30 of corresponding position, and hold up the cup through the densification and rise to the second preset height, carry out the compaction to the powder in the cup through the last pressing head 301 of the filling head of corresponding position, thereby accomplish through same densification support cup subassembly and carry out the purpose that fills the powder and carry out the densification to the filling powder to the cup. Therefore, the filling platform of the embodiment can not only fill and compact the powder, but also greatly simplify the structure of the filling platform due to the fact that the powder and the compacted powder are filled in the cup body through the same densifying support cup assembly. Therefore, the problems that the filling platform in the prior art needs to be provided with the filling mechanism and the densifying mechanism independently, so that the whole machine is complex in structure and large in size are solved.
As shown in fig. 9, the present embodiment further provides a method for adjusting a discharging amount of powder, which may include:
and 802, controlling the placing plate 20 transversely arranged on the plurality of mounting plates arranged in parallel at intervals to move to the position above the empty cup weighing cup supporting assembly 904, so as to carry out empty cup weighing on the cup bodies in the placing holes 201 formed on the placing plate 20 through the empty cup weighing assembly 904.
And 804, controlling the shelving plate 20 to move above the densification cup assembly 905 so as to fill the cup body with powder through the filling head 30 suspended above the densification cup assembly 905.
And step 806, controlling the placing plate 20 to move to the position above the full-cup weighing tray assembly 906, so that the full-cup weighing tray assembly 906 can be used for weighing the cup bodies filled with the powder.
And 808, adjusting the powder discharge amount of the filling head 30 based on the weight difference between the empty cup weight measured by the empty cup weighing tray assembly 904 and the full cup weight measured by the full cup weighing tray assembly 906.
The cup bodies positioned at different stations (namely, an empty cup weighing station corresponding to the empty cup weighing tray assembly 904, a filling densification station corresponding to the densification tray assembly 905 and a full cup weighing station corresponding to the full cup weighing tray assembly 906) can move along the length direction of the screw rod seat 101 under the action of the controlled movement of the screw rod 102 through the placing plate 20, so that the aim of moving the cup bodies to the corresponding positions is fulfilled.
Wherein, the specific operation process of step 808 includes: based on the relationship between the weight difference and the preset weight difference range, the number of turns of the screw 307 in the filling head is adjusted to adjust the powder discharge amount of the filling head 30. Specifically, if the weight difference value is higher than the upper limit value of the difference range of the preset weight, the number of rotations of the screw 307 is reduced. If the weight difference is lower than the lower limit of the preset weight difference range, the number of turns of the screw 307 is increased.
In the method for adjusting the powder discharge amount according to the embodiment, after the cup body moved into the placing hole 201 of the placing plate 20 above the cup body is subjected to empty cup weighing by the empty cup weighing cup supporting assembly 904, and the cup body moved into the placing hole 201 of the placing plate above the cup body is filled with powder by the densification cup supporting assembly 905, the cup body moved into the placing hole 201 of the placing plate above the cup body is subjected to full cup weighing by the full cup weighing cup supporting assembly 906, and the powder discharge amount of the filling head 30 is adjusted by the controller 907 according to the measured weight difference between the empty cup weight and the full cup weight, so that the powder discharge amount of the filling head 30 during filling the cup body is maintained within a specified range, the powder filling precision is improved, and the filling quality and the filling efficiency of the powder are ensured. Therefore, the method for adjusting the powder discharge amount solves the problem that the filling quality is poor due to the fact that the filling mechanism in the prior art is difficult to control filling precision.
Referring to fig. 10, the specific process of step 804 includes:
and 902, controlling the densification cup supporting assembly 905 to support the cup body to rise to a first preset height so that the filling head 30 fills the powder into the cup body in the placing hole 201.
And 904, controlling the densification supporting cup assembly 905 to support the cup body to rise to a second preset height so that the pressing head 301 arranged at the tail end of the filling head 30 compacts the powder in the cup body. Wherein the first preset height is lower than the second preset height.
So, this embodiment is when filling the powder, shelve the top that board 20 moved to densification support cup subassembly 905 through control, then hold up the cup through control densification support cup subassembly 905 and rise to first preset height, and the filling head 30 of corresponding position is to the cup filling powder. After the powder is filled, the embodiment holds up the cup body to rise to a second preset height higher than the first preset height by controlling the densification supporting cup assembly 905, so that the pressing head 301 at the tail end of the filling head at the corresponding position compacts the powder in the cup body, and therefore the purposes of filling the powder in the cup body and densifying the filled powder are achieved through the same densification supporting cup assembly. Therefore, the embodiment can not only fill and compact the powder, but also greatly simplify the structure of the filling platform due to the fact that the powder and the compacted powder are filled in the cup body through the same densifying support cup assembly. Therefore, the problem that the filling mechanism and the densifying mechanism are required to be arranged separately in the prior art, so that the whole machine is complex in structure and large in size is solved.
In any of the above embodiments, referring to fig. 11, after step 808, the method for adjusting the powder discharge amount according to this embodiment further includes:
and 810, controlling the filling head 30 to fill the cup body with the adjusted powder discharge amount.
It should be understood that, in the method for adjusting the powder discharge amount according to the embodiment, after the powder discharge amount of the filling head is adjusted by the controller 907 according to the weight difference between the empty cup weight measured by the empty cup weighing tray assembly 904 and the full cup weight measured by the full cup weighing tray assembly 906 (specifically, the powder discharge amount of the filling head 30 can be changed by adjusting the number of rotation turns of the screw 307), the cup body to be filled is filled with the adjusted filling head discharge amount (or the adjusted number of rotation turns of the screw), so as to ensure that the cup body filling precision is within the specified range, and ensure the filling quality and the filling efficiency of the powder. It should be noted that, in the continuous filling state of the filling platform, the method for adjusting the powder discharge amount can adjust the powder discharge amount of the filling head 30 in real time according to the weight difference between the empty cup weight and the full cup weight of the filling cup body, so as to prevent the filling quality from being affected due to the fact that the filling amount of part of the cup bodies does not meet the specified requirements in the continuous filling process.
It should be noted that, in the method for adjusting the powder discharge amount according to the embodiment, please refer to the embodiment of the filling platform for the technical solutions of the same parts in the filling platform, which will not be described in detail again.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A filling platform, comprising:
a plurality of mounting seats arranged in parallel at intervals;
an empty cup weighing cup supporting component, a densification cup supporting component and a full cup weighing cup supporting component are sequentially and transversely arranged below the plurality of mounting seats, and a filling head is suspended above the densification cup supporting component;
a shelving plate disposed across the plurality of mounting seats and slidably coupled to the mounting seats, the shelving plate defining a placement aperture for shelving a cup, wherein the empty cup weighing tray assembly is configured to empty a cup within the placement aperture when the shelving plate is controllably moved over the empty cup weighing tray assembly, and the full cup weighing tray assembly is configured to full weigh a cup within the placement aperture when the shelving plate is controllably moved over the full cup weighing tray assembly; and the number of the first and second groups,
and the controller is connected with the empty-cup weighing cup supporting component and the full-cup weighing cup supporting component and is used for adjusting the powder discharge amount of the filling head based on the weight difference value between the empty-cup weight measured by the empty-cup weighing cup supporting component and the full-cup weight measured by the full-cup weighing cup supporting component.
2. The filling platform of claim 1, wherein the controller is configured to:
and adjusting the number of rotation turns of the screw rod in the filling head based on the relation between the weight difference value and the preset weight difference range so as to adjust the powder discharge amount of the filling head.
3. The filling platform of claim 2, wherein the controller is further configured to:
if the weight difference value is higher than the upper limit value of the preset weight difference range, reducing the number of turns of the screw;
and if the weight difference value is lower than the lower limit value of the preset weight difference range, increasing the number of rotation turns of the screw.
4. The filling platform of claim 1,
the tail end of the filling head is covered with a pressing head, a through hole for powder extrusion is formed in the pressing head, the densification cup supporting assembly is configured to support the cup body to rise to a first preset height so that the filling head can fill the powder into the cup body, or support the cup body to rise to a second preset height so that the pressing head can compact the powder in the cup body, and the first preset height is lower than the second preset height.
5. The filling platform of any one of claims 1-4, further comprising: and the controller controls the driving assembly to drive the filling head to fill the cup body with the adjusted powder discharge amount.
6. A method for adjusting the discharge amount of powder is characterized by comprising the following steps:
controlling the placing plates transversely arranged on the plurality of mounting plates arranged in parallel at intervals to move to the position above the empty cup weighing cup supporting assembly so as to carry out empty cup weighing on the cup bodies in the placing holes formed in the placing plates through the empty cup weighing assembly;
controlling the placing plate to move to the position above the densification cup supporting assembly so as to fill the cup body with powder through a filling head suspended above the densification cup supporting assembly;
controlling the placing plate to move to a position above the full-cup weighing cup supporting assembly so as to carry out full-cup weighing on the powder-filled cup body through the full-cup weighing cup supporting assembly;
and adjusting the powder discharge amount of the filling head based on the weight difference between the empty cup weight measured by the empty cup weighing and supporting assembly and the full cup weight measured by the full cup weighing and supporting assembly.
7. The method of claim 6, wherein adjusting the powder discharge amount of the filling head based on a weight difference between an empty cup weight measured by the empty cup weigh tray assembly and a full cup weight measured by the full cup weigh tray assembly comprises:
and adjusting the number of rotation turns of the screw rod in the filling head based on the relation between the weight difference value and the preset weight difference range so as to adjust the powder discharge amount of the filling head.
8. The method of claim 7, wherein adjusting the number of turns of the screw within the filling head based on the relationship of the difference in weight value to a preset range of weight differences comprises:
if the weight difference value is higher than the upper limit value of the preset weight difference range, reducing the number of turns of the screw;
and if the weight difference value is lower than the lower limit value of the preset weight difference range, increasing the number of rotation turns of the screw.
9. The method of claim 6, wherein filling the cup with powder via a filling head suspended above a densification cup assembly comprises:
controlling the densification cup supporting assembly to support the cup body to rise to a first preset height so that the filling head fills powder into the cup body in the placing hole;
and controlling the densification cup supporting assembly to support the cup body to rise to a second preset height so that the pressing head arranged at the tail end of the filling head compacts the powder in the cup body, wherein the first preset height is lower than the second preset height.
10. The method according to any one of claims 6-9, further comprising:
and controlling the filling head to fill the cup body with the adjusted powder discharge amount.
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| CN202110134893.9A CN114802844A (en) | 2021-01-29 | 2021-01-29 | Filling platform and method for adjusting powder discharge amount |
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| CN202110134893.9A CN114802844A (en) | 2021-01-29 | 2021-01-29 | Filling platform and method for adjusting powder discharge amount |
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| CN114802844A true CN114802844A (en) | 2022-07-29 |
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|---|---|---|---|---|
| US4635689A (en) * | 1983-11-18 | 1987-01-13 | Etablissements A. Bertaud | Method and apparatus for monitoring and controlling the filling of receptacles with a determined weight of material |
| US4676282A (en) * | 1984-10-10 | 1987-06-30 | Logic S.R.L. | Apparatus and method for filling bottles, flacons or the like container with a predetermined weight amount of a fluid |
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