CN-121989426-A - Extrusion die head and extrusion die for manufacturing aerosol-generating product

Abstract

The embodiment of the application provides an extrusion die head and an extrusion die for manufacturing aerosol-generating products, wherein the extrusion die head comprises a first base body with a plurality of discharge channels and regulating valves in one-to-one correspondence with the discharge channels, the regulating valves are respectively arranged at the corresponding discharge channels, and the flow of the corresponding discharge channels is respectively regulated by regulating the opening of the regulating valves. By adopting the extrusion die head provided by the embodiment of the application, the molding quality can be improved.

Inventors

• Wei Qiufa
• WANG CONG
• LIU YONGMING
• ZHOU YONG
• YAN HONGSONG

Assignees

• 思摩尔国际控股有限公司

Dates

Publication Date

20260508

Application Date

20241107

Claims (19)

1. 1. An extrusion die for manufacturing an aerosol-generating article, comprising: The first seat body is provided with a plurality of discharging channels; and the regulating valves are respectively arranged at the corresponding discharging channels and used for regulating the flow of the corresponding discharging channels by regulating the opening.
2. 2. The extrusion die of claim 1, wherein the regulating valve has a valve hole penetrating the regulating valve and communicating with the discharge passage, and wherein the regulating valve is moved relative to the first housing to change an area of the valve hole passing through the valve hole, thereby effecting the adjustment of the opening degree.
3. 3. The extrusion die of claim 2, wherein the regulating valve is rotatably disposed in the first housing, and a portion of the regulating valve where the valve hole is disposed is located in the discharge passage.
4. 4. An extrusion die according to claim 2 or 3, wherein the first seat body has valve mounting passages in one-to-one correspondence with the discharge passages, the extending direction of the valve mounting passages intersecting with the extending direction of the discharge passages, and each of the regulating valves is movably provided through the corresponding valve mounting passage.
5. 5. The extrusion die of claim 4, wherein a portion of the regulating valve protrudes from an end of the valve mounting channel facing away from the discharge channel to an outside of the valve mounting channel to form a force application portion; The urging portion has an urging member mounting hole whose extending direction intersects with the extending direction of the valve mounting passage, and/or, The urging portion has an urging member mounting post whose extending direction intersects with the extending direction of the valve mounting passage.
6. 6. The extrusion die of claim 4, wherein the regulating valve is rotatably disposed on the first base, a portion of the regulating valve extends out of the valve mounting channel from an end of the valve mounting channel facing away from the discharge channel to form a force application portion, and the extrusion die comprises a hand wheel detachably connected with the force application portion in a rotation-stopping manner so as to drive the regulating valve to rotate relative to the first base under the action of an external force.
7. 7. The extrusion die of claim 6, wherein the hand wheel has a non-circular hole, and the force application portion is configured to detachably connect the hand wheel to the force application portion in a rotationally locked manner by being in a plug-in fit with the non-circular hole.
8. 8. The extrusion die of claim 4, wherein the outer surface of the regulator valve has a seal groove disposed circumferentially of the regulator valve, the extrusion die further comprising a seal ring disposed within the seal groove and in sealing contact with the inner sidewall of the valve mounting channel.
9. 9. The extrusion die of claim 8, wherein the valve mounting channel comprises a first section and a second section, the first section and the second section being located on opposite sides of the discharge channel, respectively, a portion of the regulating valve being located in the first section and another portion being located in the second section, and the portions of the regulating valve being located in the first section and the second section being provided with the sealing groove.
10. 10. An extrusion die according to claim 2 or 3, wherein the first housing has locking passages in one-to-one correspondence with the valve mounting passages, the extending direction of the locking passages intersecting with the extending direction of the valve mounting passages, the extrusion die comprising locking pieces movably penetrating into the locking passages, the locking pieces being switched between a locking position abutting against the corresponding regulating valves and an unlocking position avoiding the corresponding regulating valves by moving in the extending direction of the locking passages.
11. 11. The extrusion die according to claim 10, wherein the outer surface of the regulating valve has a locking groove extending in the circumferential direction of the regulating valve, the locking member protruding into the locking groove when the locking member is in the locking position, and/or, The locking piece is in threaded fit with the locking channel.
12. 12. The extrusion die according to claim 2 or 3, wherein the regulating valve has a first indicator exposed to an external field of view, the indication position of the first indicator changing with the movement of the regulating valve, or, The regulating valve has a second indicating mark exposed to the external view, the first seat has a first indicating scale exposed to the external view and having a plurality of marks, the regulating valve is moved to direct the second indicating mark to one of the plurality of marks, or, The regulator valve has a second indicator scale exposed to an external field of view and having a plurality of indicia, the first housing has a third indicator exposed to the external field of view, and the regulator valve is moved to direct one of the plurality of indicia toward the third indicator.
13. 13. The extrusion die of any one of claims 1-3, wherein the extrusion die comprises a second housing having a flow guide channel disposed upstream of the first housing in the material flow direction and in communication with each of the discharge channels, wherein the flow guide channel has an area of flow passing therethrough that gradually increases from a side facing away from the first housing to a side adjacent to the first housing.
14. 14. The extrusion die of claim 13, comprising a diversion guide post disposed in the first base and at least partially disposed in the diversion channel, wherein the outer dimension of the portion of the diversion guide post disposed in the diversion channel gradually expands from a side facing away from the first base to a side adjacent to the first base, and a plurality of the discharge channels are disposed around the outer periphery of the diversion guide post.
15. 15. The extrusion die according to claim 13, wherein the second housing has a heating fluid passage provided around an outer peripheral side of the guide passage, and/or, The second seat body is provided with a detection channel communicated with the diversion channel, the extrusion die head further comprises a sensor with a detection head, and the detection head stretches into the detection channel to detect the pressure and/or the temperature in the diversion channel.
16. 16. An extrusion die for manufacturing an aerosol-generating article, comprising: the extrusion die of any one of claims 1-15; The mold cores are in one-to-one correspondence with the discharging channels, are respectively arranged at the corresponding discharging channels and are positioned at the downstream of the corresponding regulating valves along the material flowing direction.
17. 17. The extrusion die of claim 16, wherein each die core is detachably disposed at a corresponding one of the discharge channels, and wherein the corresponding die core is replaced by at least switching the regulator valve from an open state, in which the discharge channel is open, to a closed state, in which the discharge channel is closed, when the extrusion die is in an operating state.
18. 18. The extrusion die of claim 16 or 17, wherein each die core has a plurality of convex edges arranged at intervals on an outer peripheral side thereof, each discharge channel has a convex block formed on an inner side wall thereof in one-to-one correspondence with the convex edges and a first boss located upstream of the convex block in the material flow direction, all the convex blocks are arranged at intervals along a circumferential direction of the discharge channel, a first avoiding opening through which the convex edges pass is formed between two adjacent convex blocks, and the convex edges of each die core are detachably arranged at the corresponding discharge channel by being sandwiched between the first boss and the convex block in the corresponding discharge channel.
19. 19. The extrusion die according to claim 16 or 17, wherein each die core has an extrusion portion and a limiting portion located on an outer peripheral side of the extrusion portion, second bosses are formed on inner side walls of each discharge passage, the extrusion die head includes pressing plates corresponding to the discharge passages one by one and having second escape openings, each pressing plate is detachably connected to the first base body so that the limiting portion of each die core is sandwiched between the corresponding pressing plate and the second bosses, and the extrusion portion of each die core is inserted into the corresponding second escape opening of the pressing plate.

Description

Extrusion die head and extrusion die for manufacturing aerosol-generating product Technical Field The application relates to the technical field of dies, in particular to an extrusion die head and an extrusion die for manufacturing aerosol-generating products. Background In the related art, an extrusion die for producing an aerosol-generating article by extrusion is generally provided with a die head and a die core from which a material is extruded to form the aerosol-generating article. In order to increase the production efficiency, some extrusion dies are provided with a plurality of die cores, and materials are extruded from the die cores respectively, so that a plurality of aerosol-generating products can be extruded simultaneously. However, in the extrusion process, the extrusion speed at each mold core is difficult to be kept consistent, so in the related art, the extrusion mold with a plurality of mold cores is easy to have inconsistent discharge amount at each mold core, the appearance quality of the extruded aerosol-generating product is poor, the inner surface quality is poor, and the like, so that the discharge waste is large, and the production cost is increased. Disclosure of Invention In view of the foregoing, it is desirable to provide an extrusion die and an extrusion die for manufacturing an aerosol-generating article capable of improving molding quality. To achieve the above object, an embodiment of the present application provides an extrusion die for manufacturing an aerosol-generating article, comprising: The first seat body is provided with a plurality of discharging channels; and the regulating valves are respectively arranged at the corresponding discharging channels and used for regulating the flow of the corresponding discharging channels by regulating the opening. In one embodiment, the regulating valve is provided with a valve hole penetrating through the regulating valve and capable of being communicated with the discharging channel, and the regulating valve is moved relative to the first seat body to change the flow area of the valve hole, so that the opening degree is regulated. In one embodiment, the adjusting valve is rotatably disposed on the first seat body, and a portion of the adjusting valve where the valve hole is disposed is located in the discharge channel. In one embodiment, the first seat body is provided with valve installation channels which are communicated with the discharging channels in a one-to-one correspondence manner, the extending direction of the valve installation channels is intersected with the extending direction of the discharging channels, and each regulating valve movably penetrates through the corresponding valve installation channel. In one embodiment, a portion of the regulating valve protrudes from an end of the valve mounting channel facing away from the discharge channel to the outside of the valve mounting channel to form a force application portion; The urging portion has an urging member mounting hole whose extending direction intersects with the extending direction of the valve mounting passage, and/or, The urging portion has an urging member mounting post whose extending direction intersects with the extending direction of the valve mounting passage. In one embodiment, the adjusting valve is rotatably arranged on the first seat body, a part of the adjusting valve extends out of the valve installation channel from one end of the valve installation channel, which is away from the discharging channel, so as to form a force application part, and the extrusion die head comprises a hand wheel which is detachably connected with the force application part in a rotation stopping way so as to drive the adjusting valve to rotate relative to the first seat body under the action of external force. In one embodiment, the hand wheel is provided with a non-circular hole, and the force application part is in plug-in fit with the non-circular hole so as to realize the detachable rotation-stopping connection of the hand wheel and the force application part. In one embodiment, the outer surface of the regulating valve is provided with a sealing groove arranged along the circumferential direction of the regulating valve, and the extrusion die head further comprises a sealing ring which is arranged in the sealing groove and is in sealing contact with the inner side wall of the valve installation channel. In one embodiment, the valve mounting channel comprises a first section and a second section, the first section and the second section are respectively located at two opposite sides of the discharging channel, one part of the regulating valve is located in the first section, the other part of the regulating valve is located in the second section, and the parts of the regulating valve located in the first section and the part of the regulating valve located in the second section are both provided with the sealing groove. In one embodiment, the first seat bo