WO2025001077A1 - 一种用于制造气溶胶生成制品的模具 - Google Patents
一种用于制造气溶胶生成制品的模具 Download PDFInfo
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- WO2025001077A1 WO2025001077A1 PCT/CN2024/072602 CN2024072602W WO2025001077A1 WO 2025001077 A1 WO2025001077 A1 WO 2025001077A1 CN 2024072602 W CN2024072602 W CN 2024072602W WO 2025001077 A1 WO2025001077 A1 WO 2025001077A1
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- channel
- extrusion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
- A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/01—Making cigarettes for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/256—Exchangeable extruder parts
- B29C48/2568—Inserts
- B29C48/25686—Inserts for dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
Definitions
- the present application relates to the technical field of molds, and in particular to a mold for manufacturing aerosol generating products.
- Aerosol generating products with different cross-sectional shapes need to replace the entire mold for manufacturing, and the manufacturing cost of the mold is relatively high, resulting in a problem of high production cost.
- the embodiments of the present application hope to provide a mold for manufacturing aerosol-generating products, which can reduce production costs.
- an embodiment of the present application provides a mold for manufacturing an aerosol generating product, comprising: a first body, a second body, and a third body arranged in sequence along a first direction;
- the third body is formed with an extrusion channel extending along the first direction;
- the second body is provided with a first column and a feed channel, the feed channel extends along a first direction and communicates with the extrusion channel, and the first column extends along the first direction to the extrusion channel;
- the first body is provided with a second column and a first cavity, the first cavity runs through the opposite ends of the first body along the first direction and is connected to the feed channel, the second column is arranged along the first direction A direction extends to the extrusion channel.
- the second column is closer to the central axis of the mold than the first column.
- the flow cross-sectional area of the extrusion channel located upstream in the extrusion direction is not less than the flow cross-sectional area of the extrusion channel located downstream in the extrusion direction.
- the maximum value of the flow cross-sectional area of the extrusion channel is less than or equal to the minimum value of the flow cross-sectional area of the feed channel.
- the second body includes a first connecting section and a second connecting section arranged in sequence along a first direction, the first connecting section is arranged close to the first body and forms a second cavity, the second connecting section is provided with the feed channel and the first column, and the feed channel is connected to the first cavity through the second cavity.
- first columns there are multiple first columns, a through hole is formed inside the second connecting section, the second column extends to the extrusion channel through the through hole, and each of the first columns is arranged around the circumference of the second column.
- a partial area of the inner wall of the second connecting section extends radially to form a second connecting rib, and one end of the second connecting rib away from the inner wall of the second connecting section is connected to the first column.
- the number of the first pillars and the number of the second connecting ribs are both multiple, the multiple first pillars are arranged at intervals and surround to form a through hole, the second pillars extend to the extrusion channel through the through hole, and each of the first pillars is arranged around the circumference of the second pillar.
- the third body includes third connecting segments arranged in sequence along the first direction. and a fourth connecting section, the third connecting section is arranged close to the second body and forms a third cavity, the fourth connecting section is provided with the extrusion channel, and the feed channel and the extrusion channel are connected through the third cavity.
- the projection of the feed channel when projected on a plane perpendicular to the first direction, is located within the projection range of the third cavity.
- an inner side wall of the extrusion channel on a side close to the third cavity forms a guide surface, and a distance between the guide surface and a center of the third body gradually decreases along a direction from the third cavity into the extrusion channel.
- a partial area of the inner wall of the first cavity extends radially to form a first connecting rib, and the first connecting rib is connected to the second column.
- an end of the extrusion channel away from the second body forms a discharge port, and the second column and the first column both extend to the discharge port.
- the cross-sectional shape of the extrusion channel is circular, elliptical, racetrack-shaped or polygonal;
- a cross-sectional shape of the first column is circular, elliptical, racetrack-shaped, polygonal, or fan-shaped.
- a cross-sectional shape of the second column is circular, elliptical, racetrack-shaped, or polygonal.
- a center line of the extrusion channel and/or the second column along the extension direction coincides with a center axis of the mold along the first direction.
- At least one of the first body, the second body and the third body is provided with a positioning column, and at least another one of them is provided with a positioning hole, and the positioning column cooperates with the positioning hole to position the first body, the second body and the third body.
- the first direction is the axial direction of the mold.
- the mold for manufacturing an aerosol-generating product provided in an embodiment of the present application includes a first main body, a second main body and a third main body arranged in sequence along a first direction, that is, by setting the first main body, the second main body and the third main body, the convenience of mold processing is improved.
- the first main body is provided with a first cavity
- the second main body is provided with a feed channel
- the third main body is formed with an extrusion channel extending along the first direction.
- the first cavity is formed with a feed port at one end away from the second main body
- the extrusion channel is formed with an outlet at one end away from the second main body, that is, the raw material mixture can enter the first cavity, the feed channel, and the extrusion channel in sequence through the feed port, and be extruded through the outlet to form products or semi-finished products with various cross-sections.
- the first main body is provided with a second column
- the second main body is provided with a first column
- the second column and the first column both extend to the extrusion channel along the first direction, in this way, by controlling the shape and gap of the second column, the first column, and the extrusion channel, aerosol-generating products with different cross-sectional shapes or sizes can be obtained, that is, by replacing one or two of the first main body, the second main body or the third main body, aerosol-generating products with different cross-sectional shapes or sizes can be obtained, without replacing the entire mold, thereby reducing production costs.
- the porosity of the mold can be controlled by controlling the dimensions of the first cavity, the feed channel, and the extrusion channel, which is beneficial for ensuring that a pressure rise is formed during the extrusion process, promoting the molding of the aerosol generating product and the compactness of the aerosol generating product.
- FIG1 is a schematic structural diagram of a mold in a first embodiment of the present application.
- FIG2 is a schematic structural diagram of a mold in a second embodiment of the present application.
- FIG3 is a schematic structural diagram of a mold in a third embodiment of the present application.
- FIG4 is a cross-sectional view of FIG1 ;
- FIG5 is a cross-sectional view of FIG2
- FIG6 is a cross-sectional view of FIG3
- FIG7 is a cross-sectional view of the second body in FIG4 ;
- FIG8 is a cross-sectional view of the second body in FIG5 ;
- FIG9 is a cross-sectional view of the second body in FIG6 ;
- FIG10 is a schematic structural diagram of a first main body in the first embodiment of the present application.
- FIG11 is a schematic structural diagram of a first main body in a second embodiment of the present application.
- FIG12 is a schematic structural diagram of an aerosol generating product manufactured by a mold in the first embodiment of the present application.
- FIG13 is a schematic structural diagram of an aerosol generating product manufactured by a mold in a second embodiment of the present application.
- FIG. 14 is a schematic structural diagram of an aerosol generating product manufactured by a mold in the third embodiment of the present application.
- first direction the orientation or positional relationship indicated by the term "first direction” and the like is based on the orientation or positional relationship shown in FIG. 4, and is only for the convenience of describing the embodiments of the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application.
- first, second, and “third” are used only for descriptive purposes and cannot be understood as indicating or implying relative importance.
- the embodiment of the present application provides a mold for manufacturing an aerosol generating product. Please refer to Figures 1 to 14.
- the mold 100 includes a first body 10, a second body 20 and a third body 30 arranged in sequence along a first direction.
- the mold provided in the embodiment of the present application can prepare the aerosol-generating product 200 by a continuous extrusion process.
- the extrusion process can be carried out by using the mold 100 provided in the embodiment of the present application in combination with any suitable extruder.
- the extruder can be a hydraulic ram extruder, a twin-screw extruder, Single screw extruder, etc.
- the mixture is extruded from the extrusion die 100 into a honeycomb, which is then dried to form all or part of the final honeycomb-shaped aerosol-generating article 200 .
- the third body 30 is formed with an extrusion channel 30a extending along the first direction.
- the end of the extrusion channel 30a away from the second body 20 forms a discharge port 30d, that is, the raw material mixture can be extruded through the extrusion channel 30a to form various cross-section products or semi-finished products.
- the second body 20 is provided with a first column 21 and a feed channel 20a. Please continue to refer to Figures 4 to 6.
- the feed channel 20a extends along the first direction and is connected to the extrusion channel 30a.
- the first column 21 extends along the first direction to the extrusion channel 30a, that is, the raw material mixture can enter the extrusion channel 30a through the feed channel 20a, and be extruded through the discharge port 30d to form products or semi-finished products with various cross-sections.
- the first body 10 is provided with a first cavity 10a.
- the first cavity 10a runs through the opposite ends of the first body 10 along the first direction and is connected to the feed channel 20a.
- the end of the first cavity 10a away from the second body 20 is the feed port 10b, that is, the raw material mixture can be guided from one end of the first body 10 to the other end through the first cavity 10a.
- the first body 10 is provided with a second column 11 , and the second column 11 extends along the first direction to the extrusion channel 30 a .
- a center line of the extrusion channel 30a along the extension direction coincides with a center axis C of the die 100 along the first direction.
- the central axis C of the mold 100 along the first direction is a virtual reference line.
- the coincidence mentioned here means that the center line of the extrusion channel 30a along the extension direction roughly coincides with or completely coincides with the central axis C of the mold 100 along the first direction. That is to say, there can be a certain deviation between the center line of the extrusion channel 30a along the extension direction and the central axis C of the mold 100 along the first direction, and the central axis C of the mold 100 along the first direction roughly passes through the center line of the extrusion channel 30a.
- a center line of the second column 11 along the extension direction coincides with a center axis C of the mold 100 along the first direction.
- the coincidence mentioned here means that the center line of the second column 11 along the extension direction roughly coincides with or completely coincides with the central axis C of the mold 100 along the first direction. That is to say, there can be a certain deviation between the center line of the second column 11 along the extension direction and the central axis C of the mold 100 along the first direction, and the central axis C of the mold 100 along the first direction roughly passes through the center line of the second column 11.
- the second column 11 is closer to the central axis C of the mold 100 than the first column 21.
- the first column 21 is arranged around the circumference of the second column 11, that is, the first column 21 is arranged around the circumference of the second column 11, and the first column 21 is arranged at intervals along the circumference of the second column 11.
- the second column 11 and the first column 21 both extend along the first direction to the extrusion channel 30a.
- the first column 21 is arranged around the second column 11.
- the second column 11, the first column 21 and the inner wall of the extrusion channel 30a are arranged at intervals, which can be used to extrude and form the wall thickness or middle rib position characteristics of the aerosol generating product 200.
- the second column 11 can be used to extrude and form the central hole 200a of the aerosol generating product 200.
- the first column 21 can be used to extrude and form the airway hole 200b located on the side of the central hole 200a.
- the extrusion channel 30a can be used to extrude and limit the peripheral shape of the aerosol generating product 200.
- the raw material mixture is extruded through the extrusion channel 30a, and the extruded extrudate forms a honeycomb-shaped product or semi-finished product (please refer to Figures 12 to 14).
- the shape of the second column 11 can determine the shape of the center hole 200a
- the shape of the first column 21 can determine the shape of the airway hole 200b located on the periphery of the center hole 200a
- the shape of the extrusion channel 30a can determine the shape of the aerosol generating product 200.
- the aerosol generating product 200 is a particle combination, for example, a reconstituted tobacco medium containing smoke generating agent, tobacco and other components, which is an integrated structure formed by a continuous extrusion process.
- Extrusion molding refers to adding a raw material mixture to an extruder, and the material passes through the extruder barrel and The screws are pushed forward by the screws and continuously pass through the mold 100 of the embodiment of the present application to form various cross-section products or semi-finished products.
- the products or semi-finished products extruded through the mold 100 can be used to make different components of the aerosol generating product 200, such as the cooling section, the smoke generating section, the supporting section, the filtering section, etc., or can be directly used to make the entire aerosol generating product 200, which is not limited here.
- the aerosol generating product 200 When the aerosol generating product 200 is heated and atomized, the aerosol generating product 200 releases aerosol when heated, and the aerosol flows out through the gaps or micropores of the partition walls between each airway hole 200b and the central hole 200a and is collected in the airway hole 200b and the central hole 200a, and is transported to the suction end under the action of the suction negative pressure.
- the materials of the first body 10, the second body 20 and the third body 30 may be consistent or inconsistent. Since the mold 100 is used to manufacture the aerosol generating product 200, the extrusion pressure during the extrusion process is relatively high, and the mold 100 needs to have a relatively high strength. In addition, the raw material mixture of the aerosol generating product 200 contains water, and the mold 100 needs to have a certain ability to resist corrosion, etc. Therefore, the materials of the first body 10, the second body 20 and the third body 30 can all be high-strength stainless steel, such as austenitic stainless steel, martensitic stainless steel, etc.
- the first direction refers to the feeding direction.
- the first direction is the height direction perpendicular to the bottom surface of the mold 100, or the first direction is the axial direction of the mold 100.
- the first direction is still the direction defined above, that is, the feeding direction, and the first direction can be any direction of the length, width, and height of the rectangular parallelepiped.
- the first direction when the appearance of the mold 100 is cylindrical, the first direction may be inclined relative to the height direction of the bottom surface of the mold 100, or the first direction may be inclined relative to the axial direction of the mold 100.
- the first direction when the appearance of the mold 100 is a rectangular parallelepiped, the first direction may be inclined relative to any one of the length, width, and height of the rectangular parallelepiped.
- the first direction refers to the feeding direction, and the first direction may be folded.
- Linear for example, the die 100 is fed from the side and extruded from the top or bottom; or, the die 100 is fed from the top and extruded from the side.
- the mold 100 includes a first body 10, a second body 20 and a third body 30 arranged in sequence along a first direction, that is, by arranging the first body 10, the second body 20 and the third body 30, the convenience of processing the mold 100 is improved.
- the first body 10 is provided with a first cavity 10a
- the second body 20 is provided with a feed channel 20a
- the third body 30 is formed with an extrusion channel 30a extending along the first direction.
- the end of the first cavity 10a away from the second body 20 forms a feed port 10b, and the end of the extrusion channel 30a away from the second body 20 forms a discharge port 30d, that is, the raw material mixture can enter the first cavity 10a, the feed channel 20a, and the extrusion channel 30a in sequence through the feed port 10b, and be extruded through the discharge port 30d to form products or semi-finished products with various cross-sections.
- the first body 10 is provided with the second column 11
- the second body 20 is provided with the first column 21, the second column 11 and the first column 21 both extend along the first direction to the extrusion channel 30a, and the first column 21 is arranged around the circumference of the second column 11, so that the aerosol generating product 200 with different cross-sectional shapes or sizes can be obtained by controlling the shapes and gaps of the second column 11, the first column 21, and the extrusion channel 30a, that is, the aerosol generating product 200 with different cross-sectional shapes or sizes can be obtained by replacing one or two of the first body 10, the second body 20, or the third body 30, without replacing the entire mold 100, thereby reducing production costs.
- the porosity of the mold 100 can be controlled by controlling the sizes of the first cavity 10a, the feed channel 20a, and the extrusion channel 30a, which is conducive to ensuring that the pressure rise is formed during the extrusion process, promoting the molding of the aerosol generating product 200, and improving the compactness of the aerosol generating product 200.
- the porosity variation range of the feed end is limited, and it is impossible to ensure that the porosity of the feed end is always greater than the porosity of the discharge end. That is, the porosity of some areas of the feed end is smaller than the porosity of the discharge end, thereby affecting the extrusion effect and stability of the aerosol generating product.
- the mold provided in the embodiment of the present application includes a first main body 10,
- the porosity of the extrusion channel 30a can be made smaller than the porosity of the feed channel 20a by modifying the characteristic dimensions of the mold 100 (for example, the dimensions of the first cavity 10a, the feed channel 20a, the extrusion channel 30a, or the dimensions or gaps of the second column 11 and the first column 21, etc.), thereby improving the extrusion effect and stability of the aerosol generating product 200 and reducing the impact on the strength of the mold 100.
- the flow cross-sectional area of the feed channel 20a located upstream in the feed direction is not less than the flow cross-sectional area of the feed channel 20a located downstream in the feed direction.
- the raw material mixture can maintain a certain extrusion pressure in the feed channel 20a, or the extrusion pressure gradually increases, which is beneficial to the feeding of the raw material mixture.
- the flow section refers to the cross section orthogonal to all streamlines of the elementary flow or the total flow, that is, the plane perpendicular to the flow velocity cluster, such as the air flow or liquid flow.
- the flow section is a curved surface; when the streamline clusters are parallel straight lines, the flow section is a plane.
- the flow cross-sectional area of the feed channel 20a located upstream in the feeding direction is not less than the flow cross-sectional area of the feed channel 20a located downstream in the feeding direction.
- the flow cross-sectional area of the feed channel 20a is the same along the feeding direction, that is, each feed channel 20a is of equal diameter. In this way, the raw material mixture can maintain a certain extrusion pressure in the feed channel 20a, which is conducive to the feeding of the raw material mixture.
- each feed channel 20a gradually decreases along the feed direction, that is, each feed channel 20a is variable in diameter, and the flow cross-sectional area of the feed channel 20a located upstream in the feed direction is larger than the flow cross-sectional area of the feed channel 20a located downstream in the feed direction. In this way, the extrusion pressure on the raw material mixture in the feed channel 20a can be gradually increased, which is conducive to the preliminary kneading of the raw material mixture.
- the flow cross-sectional areas of some feed channels 20a may be the same in size, and the flow cross-sectional areas of some feed channels 20a may gradually decrease along the feeding direction.
- the extrusion channel 30a located upstream in the extrusion direction has a The flow cross-sectional area is not less than the flow cross-sectional area of the extrusion channel 30a located downstream in the extrusion direction.
- the raw material mixture can maintain a certain extrusion pressure in the extrusion channel 30a, or the extrusion pressure is gradually increased so that the raw material is gradually kneaded and formed.
- the flow cross-sectional area of the extrusion channel 30a located upstream in the extrusion direction is not less than the flow cross-sectional area of the extrusion channel 30a located downstream in the extrusion direction.
- the flow cross-sectional area of the extrusion channel 30a is the same along the extrusion direction, that is, each extrusion channel 30a is of equal diameter. In this way, the raw material mixture can maintain a certain extrusion pressure in the extrusion channel 30a, which is conducive to the complete kneading of the grid structure.
- each extrusion channel 30a gradually decreases along the extrusion direction, that is, each extrusion channel 30a is variable in diameter, and the flow cross-sectional area of the extrusion channel 30a located upstream in the extrusion direction is larger than the flow cross-sectional area of the extrusion channel 30a located downstream in the extrusion direction.
- the raw material mixture can be further extruded in the extrusion channel 30a, which is conducive to the complete kneading of the grid structure.
- the flow cross-sectional areas of some extrusion channels 30a may be the same in size, and the flow cross-sectional areas of some extrusion channels 30a may gradually decrease along the extrusion direction.
- the maximum value of the flow cross-sectional area of the extrusion channel 30a is less than or equal to the minimum value of the flow cross-sectional area of the feed channel 20a, so that the raw material mixture can maintain a certain extrusion pressure in the extrusion channel 30a, or the extrusion pressure gradually increases.
- the maximum value of the flow cross-sectional area of the extrusion channel 30a is less than the minimum value of the flow cross-sectional area of the feed channel 20a, after the raw material mixture enters the extrusion channel 30a through the feed channel 20a, it is used to make the raw material mixture further extruded in the extrusion channel 30a, which is conducive to promoting the complete kneading of the grid structure and controlling the density of the aerosol generating article 200 when the porosity of the aerosol generating article 200 is constant.
- the second body 20 includes a first connecting segment 22 and a second connecting segment 23 sequentially arranged along a first direction, wherein the first connecting segment 22 is disposed close to the first body 10 and The second cavity 20b is formed, and the second connecting section 23 is provided with a feed channel 20a and a first column 21.
- the feed channel 20a is connected with the first cavity 10a through the second cavity 20b.
- the raw material mixture can first enter the second cavity 20b from the first cavity 10a, and then enter the feed channel 20a through the second cavity 20b.
- the length of the feed channel 20a is shortened, thereby reducing the resistance encountered by the raw material mixture during the feeding process, which is conducive to the feeding of the raw material mixture.
- the second body 20 may not be provided with the first connecting section 22, that is, the second cavity 20b is not provided, that is, the raw material mixture first directly enters the feeding channel 20a from the first cavity 10a.
- feed channels 20a There are multiple feed channels 20a. By providing multiple feed channels 20a, while ensuring the uniformity of feed, the raw material mixture can also be subjected to a certain extrusion force in the extrusion channel 30a.
- the number of the first columns 21 is not limited here.
- the number of the first columns 21 may be one, or the number of the first columns 21 may be more than one.
- plurality refers to a number including two or more than two.
- each feed channel 20a runs through the opposite ends of the second connecting section 23 along the first direction, and the first column 21 is arranged on the side of the second connecting section 23 away from the second cavity 20b. That is, the raw material mixture can be guided from one end of the second connecting section 23 to the other end through the feed channel 20a, the first column 21 is arranged on the side of the second connecting section 23 away from the second cavity 20b, and the first column 21 extends to the extrusion channel 30a, that is, the raw material mixture can enter the extrusion channel 30a through the feed channel 20a, fill in the gaps between the first columns 21 or between the first columns 21 and the inner wall of the extrusion channel 30a, and be extruded through the discharge port 30d to form products or semi-finished products with various cross sections.
- a through hole 20c is formed inside the second connecting section 23, and the second pillar 11 extends through the hole 20c to the extrusion channel 30a.
- Each first pillar 21 is arranged around the second pillar.
- the through hole 20c is provided so that the second column 11 can extend to the extrusion channel 30a through the hole 20c.
- Each first column 21 is provided on the circumference of the through hole 20c.
- Each first column 21 is arranged, for example, along a circumferential direction around the center of the second column 11 so that each first column 21 is arranged around the circumference of the second column 11.
- a partial area of the inner wall of the second connecting section 23 extends radially to form a second connecting rib 24 , and one end of the second connecting rib 24 away from the inner wall of the second connecting section 23 is connected to the first column 21 .
- the first pillar 21 is conveniently extended along the first direction.
- the number of the second connecting ribs 24 is not limited herein.
- the number of the second connecting ribs 24 may be one, or the number of the second connecting ribs 24 may be multiple.
- first columns 21 and second connecting ribs 24 are multiple, and the first columns 21 and the second connecting ribs 24 correspond one to one.
- Multiple first columns 21 are arranged at intervals and surround to form a through hole 20c.
- the second column 11 extends to the extrusion channel 30a through the hole 20c, and each first column 21 is arranged around the side of the second column 11.
- the inner wall of the second connecting section 23, the second connecting ribs 24 and the gap between the first column 21 form a feeding channel 20a, and the raw material mixture can enter the extrusion channel 30a through the inner wall of the second connecting section 23, the second connecting ribs 24 and the gap between the first column 21.
- the third body 30 includes a third connecting section 31 and a fourth connecting section 32 arranged in sequence along the first direction.
- the third connecting section 31 is arranged close to the second body 20 and is formed with a third cavity 30b.
- the fourth connecting section 32 is provided with an extrusion channel 30a.
- the feed channel 20a and the extrusion channel 30a are connected through the third cavity 30b.
- the setting of the third cavity 30b allows the raw material mixture entering the third body 30 from the feed channel 20a to be temporarily stored in the third cavity 30b.
- the third cavity 30b When the third cavity 30b is filled, a certain extrusion pressure is formed, and the raw material mixture is discharged from the extrusion channel 30a.
- the material port 30d is extruded, and the setting of the third cavity 30b is conducive to the raw material mixture entering the extrusion channel 30a from the feeding channel 20a.
- the size of the third cavity 30b can be changed so that the porosity of the third cavity 30b is greater than the porosity of the discharge port 30d, thereby ensuring that the aerosol generating product 200 is compact.
- the porosity of the second cavity 20b and the first cavity 10a can be changed by changing the size of the second cavity 20b and the first cavity 10a. That is, the porosity of the second cavity 20b and the first cavity 10a can be controlled by changing the size of the second cavity 20b and the first cavity 10a, thereby improving the reliability and accuracy of the mold 100.
- the third main body 30 may not be provided with the third connecting section 31, that is, the third cavity 30b is not provided, that is, the raw material mixture directly enters the extrusion channel 30a from the feeding channel 20a.
- the projection of the feed channel 20a is within the projection range of the third cavity 30b, that is, the feed channel 20a will not be blocked by the third body 30.
- the provision of the third cavity 30b can, to a certain extent, prevent the third body 30 from blocking the feed channel 20a, that is, by providing the third cavity 30b, the raw material mixture can smoothly enter the third cavity 30b of the third body 30 from the feed channel 20a, and then enter the extrusion channel 30a from the third cavity 30b, which is beneficial to the extrusion of the raw material mixture.
- the inner side wall of the extrusion channel 30a close to the third cavity 30b forms a guide surface 30c, and the distance between the guide surface 30c and the center of the third body 30 gradually decreases along the direction from the third cavity 30b to the extrusion channel 30a.
- the distance between the guide surface 30c and the center of the third body 30 gradually decreases. That is, by forming the guide surface 30c at the connection between the third cavity 30b and the extrusion channel 30a, it is beneficial for the raw material mixture in the third cavity 30b to be guided to the extrusion channel 30a via the guide surface 30c, which is beneficial for the extrusion of the raw material mixture.
- the inner wall of the first cavity 10a is A partial area of the second column 11 extends radially to form a first connecting rib 12 , and the first connecting rib 12 is connected to the second column 11 .
- the second column 11 is conveniently extended along the first direction.
- first connecting rib 12 extends radially along the first connecting section 22 , passes through the center line of the first cavity 10 a and then extends to the inner wall on the opposite side of the first cavity 10 a .
- the second column 11 is disposed at the center line of the first connecting rib 12 .
- the size of the first connecting rib 12 along the first direction of the first body 10 is not limited here.
- the first connecting rib 12 extends from one end of the first direction of the first body 10 to the other end of the first direction of the first body 10, which can ensure the strength of the first connecting rib 12.
- the end of the extrusion channel 30a away from the second body 20 forms a discharge port 30d
- the second column 11 and the first column 21 both extend to the discharge port 30d.
- the ends of the second column 11 and the first column 21 can be flush with the discharge port 30d or exceed the discharge port 30d, so that it is convenient to extrude the raw material mixture to form various cross-section products or semi-finished products.
- the second column 11 and/or the first column 21 may not extend to the discharge port 30d, that is, the end of the second column 11 and/or the first column 21 is located between the discharge port 30d and the feed channel 20a, as long as the raw material mixture can be extruded to form various cross-sectional products or semi-finished products.
- the shape of the extrusion channel 30a is not limited here.
- the cross-sectional shape of the extrusion channel 30a is circular (see Figures 1 to 3), elliptical, racetrack-shaped or polygonal.
- the extrusion channel 30a can be used to extrude and define the outer peripheral shape of the aerosol generating article 200. That is, the cross-sectional shape of the aerosol-generating article 200 is circular, elliptical, racetrack-shaped, or polygonal.
- the cross-sectional shape of the extrusion channel 30 a refers to the cross-sectional shape of the extrusion channel 30 a cut along a plane perpendicular to the first direction.
- the runway shape refers to: a shape similar to an athletics track, composed of two semicircles and two parallel straight edges alternately connected.
- the shape of the first column 21 is not limited here.
- the cross-sectional shape of the first column 21 is circular, elliptical (see Figure 1), runway-shaped, polygonal (see Figure 3) or fan-shaped (see Figure 2).
- the cross-sectional shape of the first pillar 21 refers to the cross-sectional shape of the first pillar 21 cut along a plane perpendicular to the first direction.
- the first column 21 can be used to extrude the airway hole 200b located around the central hole 200a. That is, the cross-sectional shape of the airway hole 200b extruded by the first column 21 is circular, elliptical, racetrack-shaped, polygonal or fan-shaped.
- the number of airway holes 200b is multiple, and the shape and size of each airway hole 200b are the same.
- all airway holes 200b are equilateral triangles, and the side lengths of all equilateral triangles are equal.
- all airway holes 200b are circular with the same radius. In this way, each airway hole 200b of the aerosol generating product 200 can be formed based on the same molding mold 100, reducing manufacturing costs.
- the shape of the second column 11 is not limited here.
- the cross-sectional shape of the second column 11 is circular (see Figures 1 and 3), elliptical, racetrack-shaped or polygonal (see Figure 2).
- the cross-sectional shape of the second pillar 11 refers to the cross-sectional shape of the second pillar 11 cut along a plane perpendicular to the first direction.
- the second column 11 can be used to extrude and form the central hole 200a of the aerosol generating article 200. That is, the cross-sectional shape of the center hole 200a formed by extrusion of the second column 11 is circular, elliptical, racetrack-shaped, polygonal or fan-shaped.
- the first body 10, the second body 20 and the third body 30 are positioned by positioning columns 100a and positioning holes 100b.
- at least one of the first body 10, the second body 20 and the third body 30 is provided with a positioning column 100a, and at least another one of them is provided with a positioning hole 100b.
- the positioning column 100a and the positioning hole 100b cooperate to position the first body 10, the second body 20 and the third body 30.
- one of the first body 10, the second body 20 and the third body 30 may be provided with the positioning column 100a, and the other two may be provided with the positioning hole 100b.
- one of the first body 10, the second body 20 and the third body 30 may be provided with the positioning hole 100b, and the other two may be provided with the positioning column 100a.
- one or more of them may be provided with both the positioning column 100a and the positioning hole 100b.
- the first body 10 is provided with a positioning column 100a
- the second body 20 and the third body 30 are both provided with a positioning hole 100b corresponding to the positioning column 100a.
- the third body 30 may be provided with a positioning column 100a, and the second body 20 and the first body 10 may be provided with a positioning hole 100b corresponding to the positioning column 100a.
- the second body 20 may be provided with a positioning column 100a
- the third body 30 and the first body 10 may be provided with a positioning hole 100b corresponding to the positioning column 100a.
- the first body 10, the second body 20 and the third body 30 are fixed by bolts.
- the connection method is simple and reliable.
- the cross-sectional shape of the extrusion channel 30a of the mold 100 is circular, the cross-sectional shape of the second column 11 is circular, and the cross-sectional shape of the first column 21 is elliptical; the cross-sectional shape of the aerosol generating product 200 is circular, the center hole 200a is circular, and the airway hole 200b is elliptical.
- the cross-sectional shape of the extrusion channel 30a of the mold 100 is circular, the cross-sectional shape of the second column 11 is hexagonal, and the cross-sectional shape of the first column 21 is fan-shaped; the cross-sectional shape of the aerosol generating product 200 is circular, the center hole 200a is hexagonal, and the airway hole 200b is fan-shaped.
- the cross-sectional shape of the extrusion channel 30a of the mold 100 is circular, the cross-sectional shape of the second column 11 is circular, and the cross-sectional shape of the first column 21 is a quadrilateral or a part of a quadrilateral;
- the cross-sectional shape of the aerosol generating product 200 is circular, the center hole 200a is circular, and the airway hole 200b is a quadrilateral or a part of a quadrilateral.
- the description with reference to the terms “in one embodiment”, “in some embodiments”, “in other embodiments”, “in yet other embodiments”, or “exemplary” etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application.
- the schematic representation of the above terms does not necessarily refer to the same embodiment or example.
- the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
- those skilled in the art may combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.
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Abstract
Description
Claims (16)
- 一种用于制造气溶胶生成制品的模具,包括:沿第一方向依次布置的第一主体、第二主体以及第三主体;所述第三主体形成有沿第一方向延伸的挤出通道;所述第二主体设置有第一立柱和进料通道,所述进料通道沿第一方向延伸并与所述挤出通道连通,所述第一立柱沿第一方向延伸至所述挤出通道;所述第一主体设置有第二立柱和第一型腔,所述第一型腔贯穿所述第一主体沿第一方向的相对两端并与所述进料通道连通,所述第二立柱沿第一方向延伸至所述挤出通道。
- 根据权利要求1所述的模具,在垂直于第一方向的平面上,位于挤出方向上游的所述挤出通道的过流断面面积不小于位于挤出方向下游的所述挤出通道的过流断面面积;和/或,所述第二立柱比所述第一立柱更靠近所述模具的中轴线。
- 根据权利要求1所述的模具,所述第二主体包括沿第一方向依次布置的第一连接段和第二连接段,所述第一连接段靠近所述第一主体设置且形成第二型腔,所述第二连接段设置有所述进料通道和所述第一立柱,所述进料通道与所述第一型腔通过所述第二型腔连通。
- 根据权利要求3所述的模具,所述进料通道的数量为多个,各所述进料通道贯穿所述第二连接段沿第一方向的相对两端,所述第一立柱设置在所述第二连接段背离所述第二型腔的一侧。
- 根据权利要求4所述的模具,所述第一立柱的数量为多个,所述第二连接段的内部形成过孔,所述第二立柱经所述过孔延伸至所述挤出通道,各所述第一立柱环设在所述第二立柱的周侧。
- 根据权利要求3所述的模具,所述第二连接段的内壁的部分区域沿径向延伸形成第二连接肋,所述第二连接肋远离所述第二连接段的内壁的一端与所述第一立柱连接。
- 根据权利要求6所述的模具,所述第一立柱和所述第二连接肋的数量均为多个,多个所述第一立柱间隔设置且围设形成过孔,所述第二立柱经所述过孔延伸至所述挤出通道,各所述第一立柱环设在所述第二立柱的周侧。
- 根据权利要求1所述的模具,所述第三主体包括沿第一方向依次布置的第三连接段和第四连接段,所述第三连接段靠近所述第二主体设置且形成有第三型腔,所述第四连接段设置有所述挤出通道,所述进料通道和所述挤出通道通过所述第三型腔连通。
- 根据权利要求8所述的模具,在垂直于第一方向的平面上投影,所述进料通道的投影位于所述第三型腔的投影范围内。
- 根据权利要求8所述的模具,所述挤出通道靠近所述第三型腔的一侧的内侧壁形成导向面,沿所述第三型腔进入所述挤出通道的方向,所述导向面与所述第三主体的中心之间的距离逐渐减小。
- 根据权利要求1所述的模具,所述第一型腔的内壁的部分区域沿径向延伸形成第一连接肋,所述第一连接肋与所述第二立柱连接;和/或,所述挤出通道远离所述第二主体的一端形成出料口,所述第二立柱和所述第一立柱均延伸至所述出料口。
- 根据权利要求1所述的模具,在垂直于第一方向的平面上,所述挤出通道的横截面形状为圆形、椭圆形、跑道形或者多边形;和/或,在垂直于第一方向的平面上,所述挤出通道的过流断面面积的最大值小于或等于所述进料通道的过流断面面积的最小值。
- 根据权利要求1所述的模具,在垂直于第一方向的平面上,所述第 一立柱的横截面形状为圆形、椭圆形、跑道形、多边形或者扇形;和/或,在垂直于第一方向的平面上,所述第二立柱的横截面形状为圆形、椭圆形、跑道形或者多边形。
- 根据权利要求1所述的模具,所述挤出通道和/或所述第二立柱沿延伸方向的中心线与所述模具沿第一方向的中轴线重合。
- 根据权利要求1所述的模具,所述第一主体、所述第二主体以及所述第三主体的至少其中之一设置有定位柱,至少其中另一设置有定位孔,所述定位柱与所述定位孔配合以对所述第一主体、所述第二主体以及所述第三主体进行定位。
- 根据权利要求1至15任意一项所述的模具,所述第一方向为所述模具的轴向。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020257041054A KR20260003841A (ko) | 2023-06-29 | 2024-01-16 | 에어로졸 생성 제품을 제조하기 위한 금형 |
| EP24829740.0A EP4728886A1 (en) | 2023-06-29 | 2024-01-16 | Mold for producing aerosol-generating article |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310789936.6 | 2023-06-29 | ||
| CN202310789936.6A CN119217678A (zh) | 2023-06-29 | 2023-06-29 | 一种用于制造气溶胶生成制品的模具 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US19/434,576 Continuation US20260123663A1 (en) | 2023-06-29 | 2025-12-29 | Mold for producing aerosol-generating article |
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| Publication Number | Publication Date |
|---|---|
| WO2025001077A1 true WO2025001077A1 (zh) | 2025-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2024/072602 Ceased WO2025001077A1 (zh) | 2023-06-29 | 2024-01-16 | 一种用于制造气溶胶生成制品的模具 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4728886A1 (zh) |
| KR (1) | KR20260003841A (zh) |
| CN (1) | CN119217678A (zh) |
| WO (1) | WO2025001077A1 (zh) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN121157327A (zh) * | 2024-06-17 | 2025-12-19 | 思摩尔国际控股有限公司 | 一种用于制造气溶胶生成制品的挤出模具 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206899703U (zh) * | 2017-03-21 | 2018-01-19 | 重庆世纪之光科技实业有限公司 | 一种蜘蛛网状塑料光纤挤出模具 |
| CN208956997U (zh) * | 2018-09-28 | 2019-06-11 | 安徽中烟工业有限责任公司 | 一种适用于电加热烟具的烟草制品的热挤压成型模具 |
| CN217012738U (zh) * | 2022-04-11 | 2022-07-22 | 湖北中烟工业有限责任公司 | 一种加热烟支挤出模具头 |
| CN114916700A (zh) * | 2022-05-31 | 2022-08-19 | 湖北中烟工业有限责任公司 | 一种加热不燃烧卷烟的释香降温复合材料、其制备方法及其应用 |
-
2023
- 2023-06-29 CN CN202310789936.6A patent/CN119217678A/zh active Pending
-
2024
- 2024-01-16 EP EP24829740.0A patent/EP4728886A1/en active Pending
- 2024-01-16 KR KR1020257041054A patent/KR20260003841A/ko active Pending
- 2024-01-16 WO PCT/CN2024/072602 patent/WO2025001077A1/zh not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206899703U (zh) * | 2017-03-21 | 2018-01-19 | 重庆世纪之光科技实业有限公司 | 一种蜘蛛网状塑料光纤挤出模具 |
| CN208956997U (zh) * | 2018-09-28 | 2019-06-11 | 安徽中烟工业有限责任公司 | 一种适用于电加热烟具的烟草制品的热挤压成型模具 |
| CN217012738U (zh) * | 2022-04-11 | 2022-07-22 | 湖北中烟工业有限责任公司 | 一种加热烟支挤出模具头 |
| CN114916700A (zh) * | 2022-05-31 | 2022-08-19 | 湖北中烟工业有限责任公司 | 一种加热不燃烧卷烟的释香降温复合材料、其制备方法及其应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20260003841A (ko) | 2026-01-07 |
| EP4728886A1 (en) | 2026-04-22 |
| CN119217678A (zh) | 2024-12-31 |
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