CN221048991U - Three-hole PLA straw extruder die - Google Patents
Three-hole PLA straw extruder die Download PDFInfo
- Publication number
- CN221048991U CN221048991U CN202323015989.7U CN202323015989U CN221048991U CN 221048991 U CN221048991 U CN 221048991U CN 202323015989 U CN202323015989 U CN 202323015989U CN 221048991 U CN221048991 U CN 221048991U
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- Prior art keywords
- die
- hole
- sleeve
- core
- die sleeve
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- 239000010902 straw Substances 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 239000004626 polylactic acid Substances 0.000 description 12
- 229920000747 poly(lactic acid) Polymers 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 229920002261 Corn starch Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a three-hole PLA straw extruder die, which comprises a die sleeve and a die core, wherein the die sleeve is provided with a die groove matched with the die core; the top of die sleeve has seted up the mounting hole, has seted up the regulation screw on the die sleeve, and the clearance between mold core and the die sleeve can be adjusted to the adjusting screw, has still seted up the inlet port on the die sleeve, and the inlet port is used for connecting the inlet rod of extruder die head. The utility model can adjust the gap between the mold core and the mold sleeve by arranging the adjusting screw hole and the adjusting screw, is beneficial to ensuring the consistency and straightness of the extrusion wall thickness of the suction pipe, can lead the air quantity entering the air outlet pipe to be balanced by arranging the air inlet hole, the annular air channel and the air inlet air channel, is beneficial to improving the consistency of the sizes and the roundness of the three holes of the suction pipe during the extrusion molding of the suction pipe, further improves the yield, and can facilitate the installation of the mold on the mold head of the extruder by the mounting holes.
Description
Technical Field
The utility model relates to the technical field of straw manufacturing equipment, in particular to a three-hole PLA straw extruder die.
Background
Three-hole PLA straws are an environmental friendly straw, typically made of biodegradable polylactic acid (PLA), which have three small holes for more efficient beverage extraction. A key material for three-hole PLA straws is biodegradable polylactic acid (PLA). PLA is a bio-plastic made from a bio-material such as corn starch, and is favored because of its degradability and reproducibility. Manufacturing a three-hole PLA straw typically involves extrusion. The PLA pellets are heated and compressed by an extruder and then passed through a die to form the shape of a straw.
The mould core and the mould sleeve of the existing mould cannot be adjusted generally in neutral, the design of the air inlet mode of three holes of the mould is unreasonable, the three air inlet pipes are respectively corresponding to the three air outlet pipes, and the air blowing amount of the three air outlet pipes is adjusted by adopting three air inlet valves, so that the air blowing amount of the three air outlet pipes is different, the three holes are not straight, the holes are not round, the holes are different in size, the yield is low, and the installation mode is also troublesome.
Disclosure of utility model
The utility model aims to provide a three-hole PLA straw extruder die which has the advantages of convenience in installation, convenience in adjustment and high yield of straws.
In order to achieve the above purpose, the present utility model proposes the following technical scheme: the three-hole PLA straw extruder die comprises a die sleeve and a die core, wherein the die sleeve is provided with a die groove matched with the die core, and the die core can be installed in the die groove;
The top of the die sleeve is provided with a mounting hole, the die sleeve is provided with an adjusting screw hole, an adjusting screw is arranged in the adjusting screw hole, the adjusting screw can adjust a gap between the die core and the die sleeve, the die sleeve is also provided with an air inlet hole, and the air inlet hole is used for being connected with an air inlet rod of the die head of the extruder;
The mould core is provided with three air outlet pipes, an annular air channel and an air inlet air channel, wherein the three air outlet pipes are communicated with the air inlet air channel, the annular air channel is communicated with the air inlet air channel, an elastic sealing ring is arranged between the mould sleeve and the mould core, and the elastic sealing ring enables air entering the annular air channel to only enter the air inlet air channel.
Further, in the utility model, the number of the mounting holes is four, and the mounting holes are mounted on the extruder die head through bolts.
Further, in the utility model, four adjusting screw holes are respectively arranged at the periphery of the die sleeve.
Further, in the utility model, the elastic sealing ring is a high-temperature resistant polytetrafluoroethylene sealing ring.
Further, in the utility model, the mold core is provided with a feed inlet, and materials enter between the mold sleeve and the mold core through the feed inlet for molding.
The beneficial effects are that the technical scheme of the application has the following technical effects:
The utility model can adjust the gap between the mold core and the mold sleeve by arranging the adjusting screw hole and the adjusting screw, is beneficial to ensuring the consistency and straightness of the extrusion wall thickness of the suction pipe, can lead the air quantity entering the air outlet pipe to be balanced by arranging the air inlet hole, the annular air channel and the air inlet air channel, is beneficial to improving the consistency of the sizes and the roundness of the three holes of the suction pipe during the extrusion molding of the suction pipe, further improves the yield, and can facilitate the installation of the mold on the mold head of the extruder by the mounting holes.
It should be understood that all combinations of the foregoing concepts, as well as additional concepts described in more detail below, may be considered a part of the inventive subject matter of the present disclosure as long as such concepts are not mutually inconsistent.
The foregoing and other aspects, embodiments, and features of the present teachings will be more fully understood from the following description, taken together with the accompanying drawings. Other additional aspects of the utility model, such as features and/or advantages of the exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the embodiments according to the teachings of the utility model.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is an exploded view of the present utility model.
FIG. 3 is a schematic cross-sectional view of the present utility model.
Fig. 4 is a schematic view of the bottom view of the present utility model.
In the drawings, the meanings of the reference numerals are as follows: 1. a die sleeve; 2. a mold core; 3. an elastic sealing ring; 101. a mounting hole; 102. adjusting the screw hole; 103. an air inlet hole; 201. an air outlet pipe; 202. an annular air duct; 203. an air inlet duct; 204. and a feed inlet.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings. Aspects of the utility model are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure need not be defined to include all aspects of the present utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
As shown in fig. 1-4, a three-hole PLA straw extruder die comprises a die sleeve 1 and a die core 2, wherein the die sleeve 1 is provided with a die groove matched with the die core 2, and the die core 2 can be installed in the die groove;
The mounting holes 101 are formed in the top of the die sleeve 1, the number of the mounting holes 101 is four, the mounting holes 101 are mounted on the die head of the extruder through bolts, and in the embodiment, the die can be mounted on the die head of the extruder through high-strength hexagon socket head cap bolts with M8 x 50.
The die sleeve 1 is provided with four adjusting screw holes 102, four adjusting screw holes 102 are respectively arranged on the periphery of the die sleeve 1, adjusting screws are arranged in the adjusting screw holes 102, the adjusting screws can adjust the gap between the die core 2 and the die sleeve 1, the neutrality of the die core and the die sleeve can be improved, and further the consistency and the straightness of the extrusion wall thickness of the suction pipe are guaranteed.
The die sleeve 1 is also provided with an air inlet 103, the air inlet 103 is used for connecting an air inlet rod of a die head of the extruder, and the air inlet 103 is used for connecting the air inlet rod of the die head of the extruder; the mold core 2 is provided with three air outlet pipes 201, an annular air duct 202 and an air inlet duct 203, the three air outlet pipes 201 are communicated with the air inlet duct 203, the annular air duct 202 is communicated with the air inlet duct 203, an elastic sealing ring 3 is arranged between the mold sleeve 1 and the mold core 2, and the elastic sealing ring 3 enables air entering the annular air duct 202 to only enter the air inlet duct 203. Through setting up an inlet port 103, the symmetry of cooperation annular wind channel 202 is admitted air, guarantee the tolerance of outlet duct 201 unanimous, when its material enters into extrusion molding between die sleeve 1 and the mold core 2, the tolerance of three outlet duct 201 is unanimous, the three hole sizes of the three hole coffee bars of production like this are unanimous, the circularity is unanimous, in order to be easy for the centering adjustment of mould, high temperature resistant polytetrafluoroethylene sealing ring has been increased, while having the adjustment mechanical clearance between mold core and the die sleeve that is, the elastic deformation of sealing ring has guaranteed the sealing of gas circuit-!
In this embodiment, the mold core 2 is provided with a feed inlet 204, and the material enters between the mold sleeve 1 and the mold core 2 through the feed inlet 204 for molding.
Standard parts used in the file of the application can be purchased from market, and can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, the control mode is controlled automatically by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the application belongs to common general knowledge in the art, and the application is mainly used for protecting mechanical devices, so the application does not explain the control mode and circuit connection in detail.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.
Claims (5)
1. A three-hole PLA straw extruder die is characterized in that: the die comprises a die sleeve (1) and a die core (2), wherein the die sleeve (1) is provided with a die groove matched with the die core (2), and the die core (2) can be installed in the die groove;
The die sleeve is characterized in that a mounting hole (101) is formed in the top of the die sleeve (1), an adjusting screw hole (102) is formed in the die sleeve (1), an adjusting screw is arranged in the adjusting screw hole (102), a gap between the die core (2) and the die sleeve (1) can be adjusted by the adjusting screw, an air inlet hole (103) is further formed in the die sleeve (1), and the air inlet hole (103) is used for being connected with an air inlet rod of an extruder die head;
Mold core (2) have three outlet duct (201), annular wind channel (202) and air inlet duct (203), three outlet duct (201) all communicate with air inlet duct (203), annular wind channel (202) and air inlet duct (203) intercommunication, be provided with elastic sealing ring (3) between die sleeve (1) and mold core (2), elastic sealing ring (3) make the gaseous air that gets into annular wind channel (202) can only get into in air inlet duct (203).
2. A three-hole PLA straw extruder die as in claim 1, wherein: the number of the mounting holes (101) is four, and the mounting holes (101) are arranged on the extruder die head through bolts.
3. A three-hole PLA straw extruder die as in claim 1, wherein: the four adjusting screw holes (102) are respectively arranged at the periphery of the die sleeve (1).
4. A three-hole PLA straw extruder die as in claim 1, wherein: the elastic sealing ring (3) is a high-temperature-resistant polytetrafluoroethylene sealing ring.
5. A three-hole PLA straw extruder die as in claim 1, wherein: the die core (2) is provided with a feed inlet (204), and materials enter between the die sleeve (1) and the die core (2) through the feed inlet (204) for molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323015989.7U CN221048991U (en) | 2023-11-08 | 2023-11-08 | Three-hole PLA straw extruder die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323015989.7U CN221048991U (en) | 2023-11-08 | 2023-11-08 | Three-hole PLA straw extruder die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221048991U true CN221048991U (en) | 2024-05-31 |
Family
ID=91223917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323015989.7U Active CN221048991U (en) | 2023-11-08 | 2023-11-08 | Three-hole PLA straw extruder die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221048991U (en) |
-
2023
- 2023-11-08 CN CN202323015989.7U patent/CN221048991U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |