CN114802837A - Screw adaptability confirmation method and powder filling method - Google Patents
Screw adaptability confirmation method and powder filling method Download PDFInfo
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- CN114802837A CN114802837A CN202110134901.XA CN202110134901A CN114802837A CN 114802837 A CN114802837 A CN 114802837A CN 202110134901 A CN202110134901 A CN 202110134901A CN 114802837 A CN114802837 A CN 114802837A
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- 239000000843 powder Substances 0.000 title claims abstract description 200
- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000012790 confirmation Methods 0.000 title abstract description 6
- 238000005303 weighing Methods 0.000 claims abstract description 147
- 238000000280 densification Methods 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 11
- 238000010200 validation analysis Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 19
- 230000000284 resting effect Effects 0.000 abstract description 17
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- 230000006835 compression Effects 0.000 description 4
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- 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
- 238000002474 experimental method Methods 0.000 description 1
- 238000005429 filling process Methods 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
- 238000012986 modification Methods 0.000 description 1
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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
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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
- B65B1/04—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
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
- B65B57/14—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention provides a screw suitability confirmation method and a powder filling method, wherein the screw suitability confirmation method comprises the following steps: controlling the resting plates transversely arranged on the plurality of mounting plates arranged in parallel at intervals to circularly move along the target direction in response to target input; sequentially and circularly controlling the empty cup weighing cup supporting assembly to perform empty cup weighing on the cup body on the placing plate above the empty cup weighing cup supporting assembly, the filling head above the densification cup supporting assembly to fill the cup body below the filling head, and the full cup weighing cup supporting assembly to perform full cup weighing on the cup body above the full cup weighing cup supporting assembly; obtaining a plurality of groups of performance data of the filling head based on the empty cup weight measured by the empty cup weighing cup supporting assembly and the full cup weight measured by the full cup weighing cup supporting assembly; and determining the matching of the screw in the filling head and the filling powder based on the plurality of groups of performance data. The invention solves the problem of poor filling effect caused by poor adaptability of the screw and the filled powder.
Description
Technical Field
The invention relates to the field of powder filling, in particular to a screw adaptability confirming method and a powder filling method.
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.
In the production and filling processes of the existing capsule coffee, the filling effect is poor due to poor adaptability of the screw and the filled powder.
In view of the above, there is a need for an improved filling method in the prior art to solve the above problems.
Disclosure of Invention
The invention aims to disclose a method for confirming screw adaptability and a powder filling method, which aim to solve the problem that in the prior art, the filling effect is poor due to poor adaptability of a screw and filled powder.
In order to achieve the above object, the present invention provides a method for confirming screw suitability, including:
responding to target input, controlling a shelving plate transversely arranged on a plurality of mounting plates arranged in parallel at intervals to circularly move along a target direction, wherein the shelving plate sequentially passes above an empty cup weighing cup supporting assembly, a density increasing cup supporting assembly and a full cup weighing cup supporting assembly in the process of moving along the target direction;
sequentially and circularly controlling the empty cup weighing cup supporting assembly to perform empty cup weighing on the cup body on the placing plate above the empty cup weighing cup supporting assembly, the filling head above the densification cup supporting assembly to fill the cup body below the filling head, and the full cup weighing cup supporting assembly to perform full cup weighing on the cup body above the full cup weighing cup supporting assembly;
obtaining a plurality of sets of performance data of the filling head based on the empty cup weight measured by the empty cup weighing cup supporting assembly and the full cup weight measured by the full cup weighing cup supporting assembly;
and determining the matching of the screw in the filling head and the filling powder based on the multiple groups of performance data.
As a further improvement of the present invention, the performance parameters include filling stability, and the matching between the screw in the filling head and the filling powder is determined based on multiple sets of performance data, including:
and when the filling stability is within a preset stable value range, the screw in the filling head is matched with the filling powder.
As a further improvement of the present invention, before determining the compatibility of the screw in the filling head with the filling powder based on multiple sets of performance data, the method comprises:
and acquiring a plurality of groups of flowability data of the powder filled in the cup body positioned below the filling head by the filling head, and determining the matching property of the screw in the filling head and the filling powder based on the plurality of groups of flowability data and the plurality of groups of performance data.
As a further improvement of the invention, the method also comprises the following steps:
acquiring a plurality of groups of filling time for filling the powder into the cup body by the filling head;
and determining the matching of the screw in the filling head and the filling powder based on the plurality of groups of performance data and the plurality of groups of filling time.
As a further improvement of the invention, the method also comprises the following steps:
acquiring a plurality of groups of filling time for filling the powder into the cup body by the filling head;
and determining the matching of the screw in the filling head and the filling powder based on the plurality of groups of performance data, the plurality of groups of fluidity data and the plurality of groups of filling time.
In a second aspect, the present invention further provides a powder filling method, including:
responding to target input, controlling a shelving plate transversely arranged on a plurality of mounting plates arranged in parallel at intervals to circularly move along a target direction, wherein the shelving plate sequentially passes above an empty cup weighing cup supporting assembly, a density increasing cup supporting assembly and a full cup weighing cup supporting assembly in the process of moving along the target direction;
sequentially and circularly controlling the empty cup weighing cup supporting assembly to perform empty cup weighing on the cup body on the placing plate above the empty cup weighing cup supporting assembly, the filling head above the densification cup supporting assembly to fill the cup body below the filling head, and the full cup weighing cup supporting assembly to perform full cup weighing on the cup body above the full cup weighing cup supporting assembly;
obtaining multiple groups of performance data of the filling head based on the empty cup weight measured by the empty cup weighing cup supporting assembly and the full cup weight measured by the full cup weighing cup supporting assembly, and determining the matching between a screw in the filling head and filling powder based on the multiple groups of performance data;
and filling the cup body based on the screw rod in the filling head matched with the filling powder.
As a further improvement of the present invention, after filling the cup body based on a screw in a filling head matched with the filling powder, the method includes:
controlling the placing plate to circularly move above the densification cup supporting assembly and the full-cup weighing cup supporting assembly so as to control a filling head above the densification cup supporting assembly to fill a cup body below the filling head and to perform full-cup weighing on the cup body filled with powder;
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, adjusting the number of turns of the screw in the filling head 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.
As a further improvement of the invention, controlling the filling head above the thickening saucer assembly to fill the cup body below the filling head comprises:
controlling the densification cup supporting assembly to support the cup body to rise to a first preset height, and enabling the filling head to fill powder into the cup body in a placing hole formed in the placing plate;
and controlling the densification cup supporting assembly to support the cup body to rise to a second preset height, and enabling a pressing head arranged at the tail end of the filling head to compact powder in the cup body, wherein the first preset height is lower than the second preset height.
Compared with the prior art, the invention has the beneficial effects that:
the method for confirming the suitability of the screw rod controls the shelving plate to move along the target direction in a circulating mode based on an instruction formed by target input, and sequentially controls the empty cup weighing cup supporting assembly to perform empty cup weighing on the cup body on the shelving plate above the empty cup weighing cup supporting assembly in a circulating mode, the filling head above the densifying cup supporting assembly to perform filling on the cup body below the filling head, and the full cup weighing cup supporting assembly to perform full cup weighing on the cup body above the full cup weighing cup supporting assembly, so that whether the screw rod in the filling head is matched with filling powder or not is determined according to multiple groups of performance data of the filling head obtained by the empty cup weight measured by the empty cup weighing cup supporting assembly and the full cup weight measured by the full cup weighing cup supporting assembly. Therefore, the method for confirming the suitability of the screw rod can effectively improve the powder filling effect by obtaining the screw rod matched with the filling powder to fill the powder into the cup body. Therefore, the invention solves the problem of poor filling effect caused by poor adaptability of the screw and the filled powder.
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 block diagram of a filling platform according to an embodiment of the present invention;
fig. 5 is a schematic connection structure diagram between the filling head, the metering cone and the cylindrical shell according to an embodiment of the present 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 structural view of a pressing head according to an embodiment of the present invention;
FIG. 9 is a schematic flow chart of a method for confirming screw suitability according to one embodiment of the present invention;
FIG. 10 is a schematic flow chart of a method for screw suitability validation according to another embodiment of the present invention;
FIG. 11 is a schematic flow chart of a method for screw suitability validation according to yet another embodiment of the present invention;
FIG. 12 is a schematic flow chart of a method for screw suitability validation according to yet another embodiment of the present invention;
FIG. 13 is a schematic flow chart of a method for screw suitability validation according to yet another embodiment of the present invention;
fig. 14 is a schematic flow chart of a powder filling method according to an embodiment of the present invention;
fig. 15 is a schematic flow chart of a powder filling method according to another embodiment of the present invention;
fig. 16 is a schematic flow chart of a powder filling method 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.
Fig. 1 to 8 show a filling platform according to an embodiment of 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 the present embodiment is configured with a controller 907 coupled to the empty weigh cup holder assembly 904 and the full weigh cup holder assembly 906 for controlling the resting plate 20, disposed across the plurality of mounting plates in parallel spaced apart relation, to cycle in a target direction in response to a target input and to derive a plurality of sets of performance data for the filling head 30 based on the weight of an empty cup measured by the empty weigh cup holder assembly 904 and the weight of a full cup measured by the full weigh cup holder assembly 905. Specifically, the controller 907 is configured to match the screw 307 within the filling head with the filling powder when the filling stability is within a preset stability value range. The housing (not shown) is wrapped outside the rack, a display screen (not shown) communicatively connected to the controller 907 may be disposed outside the housing, and the instruction formed by the target input may be configured as an instruction formed by a user touching or touching the display screen, or a preset control instruction.
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 head 30 may be configured with a group of (i.e. two or more) discharge ports, that is, two or more conical pipes 302 arranged in parallel with a central axis (i.e. a longitudinal central axis of the conical pipe 302) at a lateral interval may be configured below the metering conical hopper 304, each conical pipe is correspondingly connected with a straight pipe 303, the end face of each straight pipe 303 is covered with a pressing head 301, the number of cups in the densification cup holder assembly 905 is the same as the number of the pressing heads 301, and the positions of the cups in the densification cup holder assembly 905 are opposite to the pressing head 301. The number of placing holes 201 formed by the resting plates 20 is the same as the number of discharge openings of the filling heads 30.
The filling platform of this embodiment controls the shelving plate 20 to move along the target direction in a circulating manner through the controller 907 based on the instruction formed by target input, and sequentially controls the empty cup weighing cup supporting assembly 904 to perform empty cup weighing on the cup body on the shelving plate 20 above the empty cup weighing cup supporting assembly 904 in a circulating manner, the filling head 30 above the densification cup supporting assembly 905 to fill the cup body below the filling head, and the full cup weighing cup supporting assembly 906 to perform full cup weighing on the cup body above the full cup weighing cup supporting assembly 905, so as to determine whether the screw 307 in the filling head is matched with the filling powder according to multiple sets of performance data of the filling head 30 obtained by 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. So, the filling platform of this embodiment carries out the filling powder to the cup through obtaining with filling powder assorted screw 307, can effectively improve the filling effect of powder. From this, this embodiment has solved because the screw rod is relatively poor with the powder suitability of filling and leads to the problem that the filling effect is relatively poor.
The filling platform of this embodiment further includes a powder flowability tester 908 configured to obtain a plurality of sets of flowability data of the powder filled into the cup located below the filling head by the filling head 30, and the controller 907 determines the matching between the screw 307 in the filling head and the filling powder according to the plurality of sets of flowability data and the plurality of sets of performance data. So, combine filling head 30 to carry out the distribution data of the powder volume of filling and filling head in to the multiunit cup simultaneously and the data such as compression performance of screw to the powder, confirm whether screw and the powder that fills match to further improve filling head in screw 307 and the matching nature of filling powder, thereby ensure to obtain further promotion according to the filling effect when screw 307 that confirms carries out the filling to the powder.
Further, the controller 907 may be further configured to obtain multiple sets of filling times for the filling head 30 to fill the cup with the powder, and determine the matching between the screw 307 in the filling head and the filling powder based on the multiple sets of performance data and the multiple sets of filling times, or determine the matching between the screw in the filling head and the filling powder according to the multiple sets of performance data, the multiple sets of flowability data, and the multiple sets of filling times. So set up, the filling platform of this embodiment combines multiunit performance data and multiunit filling time simultaneously through controller 907, or combines multiunit performance data, multiunit mobility data and multiunit filling time simultaneously and confirms and carry out the filling with filling powder assorted screw rod to the powder, can guarantee the filling efficiency to the powder under the prerequisite that further improves powder filling effect, prevents that filling speed is slower and lead to the lower problem of work efficiency of complete machine to take place.
In any of the above embodiments, the controller 907 may further control the placement plate 20 to move cyclically between the positions above the density cup holder assembly 905 and the position above the full cup weighing cup holder assembly 906, so as to control the filling head above the density cup holder assembly 905 to fill the cup body below the filling head and to perform full cup weighing on the cup body after being filled with the powder, and adjust the powder discharge amount of the filling head 30 according to a weight difference between an empty cup weight of the cup body and a full cup weight measured by the full cup weighing cup holder assembly 906.
It should be understood that after the screw 307 is determined, the filling platform of the present embodiment adjusts the powder discharging amount of the filling head 30 by the weight difference between the empty cup weight measured during the process of detecting the matching between the screw 307 and the powder and the full cup weight measured during the process of controlling the shelving board 20 to move cyclically above the densification cup supporting assembly 905 and the full cup weighing cup supporting assembly 906, so that the powder discharging amount when the filling head 30 fills the cup is maintained within a specified range, thereby improving the powder filling precision and ensuring the powder filling quality and efficiency. 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 to carry out the filling to the cup at filling head 30 and need press the real-time to the powder in the filling back cup, 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 the terminal press head 301 of filling head 30 stretches into to the interior powder surface of cup, through press head 301 flattening reliably and press the interior powder of cup, improve the roughness on powder surface in the cup and increase the density of the interior powder of cup, thereby improve the filling effect of filling head 30 to 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 confirming screw adaptability, which may include:
and 802, responding to target input, controlling the shelving plates 20 transversely arranged on the plurality of mounting plates arranged in parallel at intervals to circularly move along the target direction, wherein the shelving plates 20 pass above the empty cup weighing tray assembly 904 (corresponding to an empty cup weighing station), the density increasing tray assembly 905 (corresponding to a filling station) and the full cup weighing tray assembly 906 (corresponding to a full cup weighing station) in sequence in the process of moving along the target direction.
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.
And step 804, sequentially and circularly controlling the empty cup weighing cup supporting assembly 904 to perform empty cup weighing on the cup body on the placing plate above the empty cup weighing cup supporting assembly, the filling head 30 above the densifying cup supporting assembly 905 to fill the cup body below the filling head, and the full cup weighing cup supporting assembly 906 to perform full cup weighing on the cup body above the full cup supporting assembly.
It should be noted that, in the process of empty cup weighing, powder filling and full cup weighing for a group of cups in the placing hole 201 formed on the placing plate 20, the placing plate 20 needs to drive the cups to move from the front end of the empty cup weighing station and sequentially pass through the empty cup weighing station, the filling station and the full cup weighing station, and after the empty cup weighing, the powder filling and the full cup weighing are respectively performed for a group of cups, a group of performance data of the filling head 30 can be obtained, and meanwhile, the placing plate 20 returns to the initial position (i.e. the position at the front end of the empty cup weighing station) to enter the step of performing the empty cup weighing, the powder filling and the full cup weighing for the next group of cups to obtain the next group of performance data of the filling head 30. Thereby, the operation is cycled to acquire sets of performance data of the filling heads 30.
And 808, determining the matching of the screw 307 in the filling head and the filling powder based on the multiple groups of performance data. The performance parameters of the filling head of the embodiment mainly include filling stability, which can be interpreted as distribution data of the amount of powder filled into the plurality of groups of cup bodies by the filling head. The specific content of step 808 may include: the screw 307 in the filling head matches the filling powder when the filling stability is within the preset stability value range. The preset stable value range can be set according to experience values obtained by experiments or repeated operations and according to specific actual working conditions, which is not described in detail.
The method for confirming screw suitability in this embodiment controls the shelving plate to move along the target direction in a circulating manner based on an instruction formed by target input, and sequentially controls the empty cup weighing cup supporting assembly to perform empty cup weighing on the cup body on the shelving plate above the empty cup weighing cup supporting assembly in a circulating manner, the filling head above the densification cup supporting assembly to perform filling on the cup body below the filling head, and the full cup weighing cup supporting assembly to perform full cup weighing on the cup body above the full cup weighing cup supporting assembly, so as to determine whether a screw rod in the filling head is matched with filling powder according to multiple groups of performance data of the filling head obtained by the empty cup weight measured by the empty cup weighing cup supporting assembly and the full cup weight measured by the full cup weighing cup supporting assembly. Therefore, the method for confirming the suitability of the screw rod can effectively improve the powder filling effect by acquiring the powder filling state of the cup body by the screw rod matched with the powder filling state. From this, this embodiment has solved because the screw rod is relatively poor with the powder suitability of filling and leads to the problem that the filling effect is relatively poor.
To further improve the matching degree between the determined screw and the filled powder, the method for confirming screw suitability of the present embodiment may include, before step 808:
and 806', acquiring multiple groups of flowability data of the powder filled in the cup body below the filling head by the filling head 30. Step 808 is specifically configured as: the matching of the screw 307 in the filling head with the filling powder is determined based on the sets of flowability data and the sets of performance data. The flowability data of the powder can be obtained by testing parameters such as compression performance of the screw 307 on the powder in the filling head 30 based on a special powder flowability tester. Specifically, the screw 307 in the filling head matches the filling powder when the filling stability is within the preset stable value range and the compression property of the filling powder is within the preset flow value range. So, combine filling head 30 to carry out the distribution data of the powder volume of filling and filling head in to the multiunit cup simultaneously and the data such as compression performance of screw to the powder, confirm whether screw and the powder that fills match to further improve filling head in screw 307 and the matching nature of filling powder, thereby ensure to obtain further promotion according to the filling effect when screw 307 that confirms carries out the filling to the powder. It should be noted that, referring to fig. 10, step 806' may also follow step 806. As shown in FIG. 11, step 806' may precede step 806.
As shown in fig. 12, in an embodiment of the present invention, the method for confirming screw adaptability further includes:
and step 1102, acquiring multiple groups of filling time of the filling head 30 for filling the powder into the cup body.
And 1104, determining the matching of the screw 307 in the filling head and the filling powder based on the multiple groups of performance data and the multiple groups of filling time.
So set up, acquire with filling powder assorted screw 307 carry out the filling powder to the cup under the prerequisite of guaranteeing powder filling effect, can effectively improve the efficiency of carrying out the filling to the powder, prevent that filling speed is slower and lead to the work efficiency of complete machine lower.
As shown in fig. 13, in another embodiment of the present invention, the method for confirming screw adaptability further includes:
and 1102', acquiring a plurality of groups of filling time for filling the powder into the cup body by the filling head.
And 1104', determining the matching of the screw in the filling head and the filling powder based on the multiple groups of performance data, the multiple groups of fluidity data and the multiple groups of filling time.
According to the method for confirming the suitability of the screw rod, the screw rod matched with the filling powder is determined to fill the powder by simultaneously combining multiple groups of performance data, multiple groups of mobility data and multiple groups of filling time, the filling efficiency of the powder can be guaranteed on the premise of further improving the filling effect of the powder, and the problem that the working efficiency of the whole machine is low due to the fact that the filling speed is low is prevented.
As shown in fig. 14, the present embodiment further provides a powder filling method, including:
and 802, responding to target input, controlling the shelving plates 20 transversely arranged on the plurality of mounting plates arranged in parallel at intervals to circularly move along the target direction, wherein the shelving plates 20 pass above the empty cup weighing tray assembly 904 (corresponding to an empty cup weighing station), the density increasing tray assembly 905 (corresponding to a filling station) and the full cup weighing tray assembly 906 (corresponding to a full cup weighing station) in sequence in the process of moving along the target direction.
And step 804, sequentially and circularly controlling the empty cup weighing cup supporting assembly 904 to perform empty cup weighing on the cup body on the placing plate above the empty cup weighing cup supporting assembly, the filling head 30 above the densifying cup supporting assembly 905 to fill the cup body below the filling head, and the full cup weighing cup supporting assembly 906 to perform full cup weighing on the cup body above the full cup supporting assembly.
And 808, determining the matching of the screw 307 in the filling head and the filling powder based on the multiple groups of performance data.
And 810, filling the cup body based on the screw 307 in the filling head matched with the filling powder.
The powder filling method of the embodiment controls the shelving plate to move along the target direction in a circulating manner based on an instruction formed by target input, and sequentially controls the empty cup weighing cup supporting assembly to perform empty cup weighing on the cup body on the shelving plate above the empty cup weighing cup supporting assembly in a circulating manner, the filling head above the density cup supporting assembly to fill the cup body below the filling head, and the full cup weighing cup supporting assembly to perform full cup weighing on the cup body above the full cup weighing cup supporting assembly, so that whether a screw rod in the filling head is matched with filling powder is determined according to multiple groups of performance data of the filling head obtained according to the empty cup weight measured by the empty cup weighing cup supporting assembly and the full cup weight measured by the full cup weighing cup supporting assembly, and the cup body is filled according to the determined screw rod 307 in the filling head matched with the filling powder, so that the filling effect of the powder can be effectively improved. From this, this embodiment has solved because the screw rod is relatively poor with the powder suitability of filling and leads to the problem that the filling effect is relatively poor.
As shown in fig. 15, after step 810, the method includes:
and 812, controlling the placing plate to circularly move above the thickening cup supporting assembly 905 and the full-cup weighing cup supporting assembly 906 so as to control the filling head above the thickening cup supporting assembly 905 to fill the cup body below the filling head and to perform full-cup weighing on the cup body filled with the powder.
And 814, 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. It should be understood that when a plurality of groups of cups are filled with powder, the shapes of the cups and other parameters (such as the empty cup mass) are the same, so in this embodiment, when the cups are filled by the determined screw matched with the filled powder, the placing plate 20 is moved between the filling station and the full cup weighing station to fill and weigh the cups, and the moving of the placing plate 20 to the empty cup weighing station is omitted, so that the filling efficiency of the filling head to the cups is further improved. The controller 907 may derive a weight difference based on the weight of the empty cup measured in step 804 and the weight of the full cup measured in real time.
The specific operation process of step 814 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 powder filling method of this embodiment, the powder discharge amount of the filling head 30 is adjusted by the weight difference between the empty cup weight measured in step 804 and the full cup weight measured in real time, so that the powder discharge amount when the filling head 30 fills the cup body is maintained within a specified range, the powder filling precision is improved, and the powder filling quality and the powder filling efficiency are ensured. Therefore, the powder filling method of the embodiment solves the problem that filling quality is poor due to the fact that a filling mechanism in the prior art is difficult to control filling precision.
Referring to fig. 16, the specific process of controlling the filling head above the densifying retainer cup assembly 905 to fill the cup body below the filling head in step 812 includes:
and 1502, controlling the densification cup supporting assembly 905 to support the cup body to rise to a first preset height, and enabling the filling head 30 to fill the powder into the cup body positioned in the placing hole 201.
And 1504, controlling the densification cup supporting assembly 905 to support the cup body to rise to a second preset height, and enabling the pressing head 301 arranged at the tail end of the filling head 30 to compact 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.
It should be noted that, for the technical solutions of the same parts in the powder filling method of this embodiment as in the filling platform and the screw suitability confirmation method, please refer to the embodiment of the filling platform and/or the screw suitability confirmation method, and detailed description thereof is omitted here.
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 method for confirming screw suitability, comprising:
responding to target input, controlling a shelving plate transversely arranged on a plurality of mounting plates arranged in parallel at intervals to circularly move along a target direction, wherein the shelving plate sequentially passes above an empty cup weighing cup supporting assembly, a density increasing cup supporting assembly and a full cup weighing cup supporting assembly in the process of moving along the target direction;
sequentially and circularly controlling the empty cup weighing cup supporting assembly to carry out empty cup weighing on the cup body on the placing plate above the empty cup weighing cup supporting assembly, the filling head above the densification cup supporting assembly to fill the cup body below the filling head, and the full cup weighing cup supporting assembly to carry out full cup weighing on the cup body above the full cup weighing cup supporting assembly;
obtaining a plurality of sets of performance data of the filling head based on the empty cup weight measured by the empty cup weighing cup supporting assembly and the full cup weight measured by the full cup weighing cup supporting assembly;
and determining the matching of the screw in the filling head and the filling powder based on the multiple groups of performance data.
2. The validation method of claim 1, wherein the performance parameter comprises filling stability, and determining the compatibility of the screw within the filling head with the filling powder based on a plurality of sets of performance data comprises:
and when the filling stability is within a preset stable value range, the screw in the filling head is matched with the filling powder.
3. The validation method of claim 2, wherein prior to determining the suitability of the screw within the filling head to the filling powder based on the plurality of sets of performance data, comprising:
and acquiring a plurality of groups of flowability data of the powder filled in the cup body positioned below the filling head by the filling head, and determining the matching property of the screw in the filling head and the filling powder based on the plurality of groups of flowability data and the plurality of groups of performance data.
4. The method of claim 2, further comprising:
acquiring a plurality of groups of filling time for filling the powder into the cup body by the filling head;
and determining the matching of the screw in the filling head and the filling powder based on the multiple groups of performance data and the multiple groups of filling time.
5. The validation method of claim 3, further comprising:
acquiring a plurality of groups of filling time for filling the powder into the cup body by the filling head;
and determining the matching of the screw in the filling head and the filling powder based on the plurality of groups of performance data, the plurality of groups of fluidity data and the plurality of groups of filling time.
6. A powder filling method is characterized by comprising the following steps:
responding to target input, controlling a shelving plate transversely arranged on a plurality of mounting plates arranged in parallel at intervals to circularly move along a target direction, wherein the shelving plate sequentially passes above an empty cup weighing cup supporting assembly, a density increasing cup supporting assembly and a full cup weighing cup supporting assembly in the process of moving along the target direction;
sequentially and circularly controlling the empty cup weighing cup supporting assembly to perform empty cup weighing on the cup body on the placing plate above the empty cup weighing cup supporting assembly, the filling head above the densification cup supporting assembly to fill the cup body below the filling head, and the full cup weighing cup supporting assembly to perform full cup weighing on the cup body above the full cup weighing cup supporting assembly;
obtaining multiple groups of performance data of the filling head based on the empty cup weight measured by the empty cup weighing cup supporting assembly and the full cup weight measured by the full cup weighing cup supporting assembly, and determining the matching between a screw in the filling head and filling powder based on the multiple groups of performance data;
and filling the cup body based on the screw rod in the filling head matched with the filling powder.
7. The powder filling method according to claim 6, wherein after the cup body is filled based on a screw in a filling head matched with the filled powder, the method comprises the following steps:
controlling the placing plate to circularly move above the densification cup supporting assembly and the full-cup weighing cup supporting assembly so as to control a filling head above the densification cup supporting assembly to fill a cup body below the filling head and to perform full-cup weighing on the cup body filled with powder;
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 support cup assembly and the full cup weight measured by the full cup weighing support cup assembly.
8. The powder filling method according to claim 7, wherein the adjusting of the powder discharge amount of the filling head based on the weight difference between the empty cup weight measured by the empty cup weighing tray assembly and the full cup weight measured by the full cup weighing 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.
9. The powder filling method of claim 8, wherein adjusting the number of turns of the screw within the filling head 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.
10. The powder filling method according to any one of claims 6 to 9, wherein controlling the filling head above the densifying retainer cup assembly to fill the cup body below the filling head comprises:
controlling the densification cup supporting assembly to support the cup body to rise to a first preset height, and enabling the filling head to fill powder into the cup body in a placing hole formed in the placing plate;
and controlling the densification cup supporting assembly to support the cup body to rise to a second preset height, and enabling a pressing head arranged at the tail end of the filling head to compact powder in the cup body, wherein the first preset height is lower than the second preset height.
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| CN202110134901.XA CN114802837A (en) | 2021-01-29 | 2021-01-29 | Screw adaptability confirmation method and powder filling method |
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Application publication date: 20220729 |