CN108943647B - Storage type die head - Google Patents
Storage type die head Download PDFInfo
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- CN108943647B CN108943647B CN201811018593.9A CN201811018593A CN108943647B CN 108943647 B CN108943647 B CN 108943647B CN 201811018593 A CN201811018593 A CN 201811018593A CN 108943647 B CN108943647 B CN 108943647B
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- ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a storage type die head, which belongs to the technical field of extrusion blow molding and solves the technical problems that an extruded tube blank product has unclear liquid level line and low product extrusion quality in the existing storage type die head; through setting up the second material runner in the shunt ring and setting up the second material import on the storage cylinder for first, second material can extrude and the liquid level line of first material tube blank goods is formed to the second material, and such tube blank goods liquid level line is clearer, and the quality is extruded to the goods is higher.
Description
Technical Field
The invention relates to the technical field of extrusion blow molding, in particular to a storage type die head for extruding a tube blank with a liquid level line.
Background
The existing storage type die head is provided with a liquid level line diverter ring in order to extrude a tube blank product with a liquid level line, the liquid level line diverter ring is composed of an outer ring and diverter ribs, the outer wall of a storage core is tightly attached to the diverter ribs, materials can be diverted by the diverter ribs when passing through the liquid level line diverter ring, and the tube blank product with the liquid level line is formed when the materials are finally extruded. However, if the outer ring is larger in size, the condition of material leakage and turbidity easily occurs, so that the liquid level line on the extruded tube blank product is not clear; if the outer ring size is smaller, the problem that the liquid level line split ring cannot be mounted on the storage core or the liquid level line split ring cannot freely rotate around the axial lead of the storage core and cannot adjust the relative angle of the split rib can be easily caused, and the liquid level line split ring cannot rotate and easily causes uneven split of the split rib, so that the liquid level line on the extruded tube blank product is unclear and turbid. Thus, the production of the product is not facilitated, the risk of processing scrapping exists, and the quality of the die head is greatly influenced.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a tube blank product with clearer extrusion liquid level lines and a storage type die head with higher product extrusion quality.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a storage die head comprising:
a storage core;
the feeding distribution body is coaxially sleeved on the outer side of the storage core and fixed with the upper end part of the storage core, and a first feeding hole is formed in the feeding distribution body;
the storage cylinder barrel is coaxially sleeved on the outer side of the storage core and fixed with the lower end part of the feeding distribution body, a storage channel is formed between the inner wall surface of the storage cylinder barrel and the outer wall surface of the storage core, and a second feeding port is formed in the storage cylinder barrel;
the extrusion die is arranged at the lower end part of the storage cylinder barrel, and an extrusion material channel communicated with the storage channel is arranged in the extrusion die;
the middle ring is coaxially sleeved on the outer side of the storage core, the upper end part of the middle ring is fixed with the lower end part of the feeding distribution body, the lower end part of the middle ring extends into the storage cylinder barrel, and a first material flow passage which is communicated with the first feeding port and the storage channel is arranged between the outer wall surface of the storage core and the inner wall surface of the middle ring;
the material pressing ring is coaxially sleeved on the outer side of the material storage core and can be axially movably arranged in the material storage channel, and the material pressing ring is positioned between the outer wall surface of the middle ring and the inner wall surface of the material storage cylinder barrel;
the liquid level line split ring can be rotationally sleeved on the outer side of the storage core, the liquid level line split ring is internally provided with a second material flow channel communicated with the second feeding inlet and the extrusion material channel, the liquid level line split ring comprises an inner ring, an outer ring positioned on the outer side of the inner ring and split ribs fixedly connected between the inner ring and the outer ring, and the split ribs are positioned at the communication position of the storage channel and the extrusion material channel.
In the above technical scheme, preferably, the storage die head further comprises an adjusting ring coaxially sleeved on the outer side of the storage core and used for driving the liquid level line split ring to rotate, and the adjusting ring is located between the storage cylinder barrel and the extrusion die.
In the above technical solution, preferably, two of the flow dividing ribs are fixedly connected between the inner ring and the outer ring.
In the above technical solution, preferably, the two flow dividing ribs are symmetrically distributed along a center line of the liquid level line flow dividing ring.
In the above technical solution, preferably, an included angle between the two flow dividing ribs is 150 ° to 180 °.
In the above technical solution, preferably, each of the flow dividing ribs has a diamond-shaped cross section.
In the above technical solution, preferably, the second material flow passage includes a feed hole penetrating through the outer ring, and a discharge chute disposed in one of the split ribs and communicated with the feed hole.
In the above technical solution, preferably, a center line of the feeding hole is perpendicular to a center line of the discharge chute.
In the above technical solution, preferably, a strip-shaped groove communicating the second feed inlet and the feed hole is provided on an outer circumferential wall surface of the outer ring.
In the above technical solution, preferably, a lower end portion of the inner ring has a flow passage surface flush with an outer wall surface of the storage core.
Compared with the prior art, the invention has the following beneficial effects: according to the scheme, the liquid level line flow distribution ring is formed by arranging the inner ring, the outer ring and the flow distribution ribs, the flow distribution ribs are positioned at the communication position of the storage channel and the extrusion channel, and the liquid level line flow distribution ring can rotate around the axial lead of the storage core, so that the flow distribution ribs are more uniform in material distribution; through set up the second material runner in the liquid level line reposition of redundant personnel ring and set up the second material import on the storage cylinder for first, second material can extrude and the liquid level line of first material tube blank goods is formed to the second material, and such tube blank goods liquid level line is clearer, and the quality is extruded to the goods is higher.
Drawings
FIG. 1 is a schematic diagram of a main section of a reservoir die of the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged schematic view of a portion of FIG. 1 at B;
FIG. 4 is a schematic diagram of a liquid level line diverter ring of a storage die of the present invention in a main cross-sectional view;
FIG. 5 is a schematic top view of a liquid level line diverter ring of a storage die of the present invention;
FIG. 6 is a schematic left-hand view of a liquid level line diverter ring of a storage die of the present invention;
FIG. 7 is a schematic cross-sectional view taken along line M-M in FIG. 5;
FIG. 8 is a schematic cross-sectional view taken along section line N-N in FIG. 5;
wherein: 100. a storage die head; 1. a storage core; 2. a feed distributor; 21. a first feed port; 3. A storage cylinder; 31. a storage channel; 32. a second feed inlet; 4. an extrusion die; 41. a core mold; 42. a die; 43. an extrusion channel; 5. an intermediate ring; 51. a first material flow path; 6. a material pressing ring; 7. a liquid level line diverter ring; 71. an inner ring; 711. a flow path surface; 72. an outer ring; 721. a bar-shaped groove; 73. a flow dividing rib; 74. a second material flow path; 741. a feed hole; 742. a discharge chute; 75. a sealing gasket; 8. an adjusting ring.
Detailed Description
In order to describe the technical content, constructional features, achieved objects and effects of the invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The storage type die head 100 comprises a storage core 1, a feeding distribution body 2, a storage cylinder barrel 3, an extrusion die 4, an intermediate ring 5, a material pressing ring 6, a liquid level line split ring 7 and an adjusting ring 8. The following will specifically explain each structural composition and its working principle with reference to fig. 1 to 8. The vertical and horizontal positional relationship described in this embodiment corresponds to the positional relationship of the storage core 1 shown in fig. 1, and the "axial direction" refers to the direction along which the storage core 1 extends vertically.
As shown in fig. 1 to 3, the storage core 1 extends in the up-down direction, and the feeding distributing body 2, the storage cylinder 3, the middle ring 5, the pressing ring 6, the liquid level line split ring 7 and the adjusting ring 8 are coaxially sleeved on the outer side of the storage core 1.
The feeding distribution body 2 is fixed with the upper end part of the storage core 1, and a first feeding hole 21 for the first material to enter is formed in the feeding distribution body 2.
The storage cylinder barrel 3 is fixed with the lower end part of the feeding distribution body 2, and a storage channel 31 is formed between the inner wall surface of the storage cylinder barrel 3 and the outer wall surface of the storage core 1. The storage cylinder 3 is provided with a second feed inlet 32 for the second material.
The extrusion die 4 is mounted at the lower end of the storage cylinder 3, the extrusion die 4 comprises a core die 41 and a mouth die 42, the core die 41 is fixedly arranged at the lower end of the storage core 1, the mouth die 42 is sleeved outside the core die 41, and an extrusion material channel 43 is formed between the inner wall surface of the mouth die 42 and the outer wall surface of the core die 41.
The upper end of the intermediate ring 5 is fixed with the lower end of the feeding distributing body 2, the lower end of the intermediate ring 5 extends into the storage cylinder 3, a first material flow passage 51 is arranged between the outer wall surface of the storage core 1 and the inner wall surface of the intermediate ring 5, and the first feeding port 21, the first material flow passage 51, the storage passage 31 and the extrusion material passage 43 are sequentially communicated.
The material pressing ring 6 is arranged in the material storage channel 31 and can move up and down along the axial direction, and the material pressing ring 6 is positioned between the outer wall surface of the middle ring 5 and the inner wall surface of the material storage cylinder barrel 3.
The liquid level line split ring 7 can be rotatably sleeved outside the storage core 1. A second material flow passage 74 is provided in the liquid level line split ring 7, and the second material flow passage 74 is used for communicating the second feed port 32 with the extrusion passage 43. The liquid level line split ring 7 includes an inner ring 71, an outer ring 72, and a split rib 73 fixedly connected between the inner ring 71 and the outer ring 72, and the split rib 73 is located at a communication position of the storage passage 31 and the extrusion passage 43. In this way, the first material located in the storage channel 31 is split by the splitting rib 73 before entering the extrusion channel 43, and then the second material enters the level line splitting ring 7 through the second feed opening 32 and enters the extrusion channel 43 together with the first material, which forms a level line on the tube blank of the first material.
The adjusting ring 8 is used for driving the liquid level line split ring 7 to rotate, and the adjusting ring 8 is positioned between the storage cylinder barrel 3 and the extrusion die 4.
As shown in fig. 4 to 8, in this embodiment, two flow dividing ribs 73 are fixedly connected between the inner ring 71 and the outer ring 72. The two diverting ribs 73 are symmetrically distributed along the center line of the liquid level line diverting ring 7. And the included angle between the two diverting ribs 73 is 150 deg. -180 deg.. The cross section of each of the diverting ribs 73 is diamond-shaped. The second material flow path 74 includes a feed hole 741 penetrating the outer ring 72, and a discharge chute 742 provided in one of the split ribs 73 and communicating with the feed hole 741. Wherein the centerline of the feed hole 741 is perpendicular to the centerline of the discharge chute 742. Specifically, two flow dividing ribs are arranged between the inner ring and the outer ring to play a role in flow dividing, and a discharge chute is arranged in one flow dividing rib to clearly form a liquid level line; meanwhile, the two flow dividing ribs also play a role in fixing and supporting the inner ring and the outer ring. In other embodiments, in order to play a role in strengthening the supporting strength of the inner ring and the outer ring, a plurality of flow dividing ribs can be arranged, and the flow dividing ribs are uniformly distributed along the circumference of the inner ring, and only a discharge chute is arranged in one of the flow dividing ribs to form a liquid level line.
The outer circumferential wall surface of the outer ring 72 is provided with a strip-shaped groove 721 communicating the second feed inlet 32 and the feed hole 741, so that when the liquid level line diverter 7 rotates, material enters the strip-shaped groove 721 through the second feed inlet 32, enters the feed hole 741 through the strip-shaped groove 721, and finally enters the extrusion channel 43 through the discharge chute 742. And when the liquid level line split ring 7 rotates, the rotation angle of the two split ribs 73 can be adjusted, and the position of the liquid level split line on the product is changed.
As shown in fig. 3, in order to make the two materials smoothly transition there, the lower end portion of the inner ring 71 has a flow passage surface 711 flush with the outer wall surface of the accumulator core 1. A gasket 75 is provided between the upper end of the inner ring 71 and the outer wall surface of the accumulator 1.
The working principle of the storage die 100 in this case is as follows: the first material enters the first material flow channel 51 through the first feed inlet 21, enters the storage channel 31 through the first material flow channel 51, is pushed into the extrusion channel 43 from the storage channel 31 through the material pressing ring 6, and simultaneously, the second material enters the extrusion channel 43 through the second feed inlet 32, the first material is split by the splitting rib 73, the second material is fed into the splitting part of the first material and enters the extrusion channel together with the first material, and finally, the tube blank product with the liquid level line is formed.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (10)
1. A stock form die comprising:
a storage core (1);
the feeding distribution body (2) is coaxially sleeved on the outer side of the storage core (1) and is fixed with the upper end part of the storage core (1), and a first feeding port (21) is formed in the feeding distribution body (2);
the storage cylinder barrel (3) is coaxially sleeved on the outer side of the storage core (1) and is fixed with the lower end part of the feeding distribution body (2), a storage channel (31) is formed between the inner wall surface of the storage cylinder barrel (3) and the outer wall surface of the storage core (1), and a second feeding port (32) is formed in the storage cylinder barrel (3);
the extrusion die (4) is arranged at the lower end part of the storage cylinder barrel (3), and an extrusion material channel (43) communicated with the storage channel (31) is arranged in the extrusion die (4);
the middle ring (5) is coaxially sleeved on the outer side of the storage core (1), the upper end part of the middle ring (5) is fixed with the lower end part of the feeding distribution body (2), the lower end part of the middle ring (5) extends into the storage cylinder barrel (3), and a first material flow passage (51) which is communicated with the first feeding port (21) and the storage channel (31) is arranged between the outer wall surface of the storage core (1) and the inner wall surface of the middle ring (5);
the material pressing ring (6) is coaxially sleeved on the outer side of the material storage core (1) and can be axially movably arranged in the material storage channel (31), and the material pressing ring (6) is positioned between the outer wall surface of the middle ring (5) and the inner wall surface of the material storage cylinder barrel (3);
the liquid level line split ring (7) can be rotationally sleeved on the outer side of the storage core (1), the second material flow channel (74) which is communicated with the second feeding hole (32) and the extrusion material channel (43) is arranged in the liquid level line split ring (7), the liquid level line split ring (7) comprises an inner ring (71), an outer ring (72) which is positioned on the outer side of the inner ring (71) and split ribs (73) which are fixedly connected between the inner ring (71) and the outer ring (72), and the split ribs (73) are positioned at the communication position of the storage channel (31) and the extrusion material channel (43).
2. The stock form die of claim 1 wherein: the material storage type die head also comprises an adjusting ring (8) which is coaxially sleeved on the outer side of the material storage core (1) and used for driving the liquid level line shunt ring (7) to rotate, and the adjusting ring (8) is positioned between the material storage cylinder barrel (3) and the extrusion die (4).
3. The stock form die of claim 1 wherein: two flow dividing ribs (73) are fixedly connected between the inner ring (71) and the outer ring (72).
4. A reservoir die as in claim 3, wherein: the two flow dividing ribs (73) are symmetrically distributed along the central line of the liquid level line flow dividing ring (7).
5. The stock form die of claim 4, wherein: the included angle between the two flow dividing ribs (73) is 150-180 degrees.
6. A reservoir die as in claim 3, wherein: the cross section of each flow dividing rib (73) is diamond-shaped.
7. A reservoir die as in claim 3, wherein: the second material flow passage (74) comprises a feeding hole (741) penetrating through the outer ring (72), and a discharging groove (742) which is arranged in one of the flow dividing ribs (73) and is communicated with the feeding hole (741).
8. The stock form die of claim 7 wherein: the center line of the feeding hole (741) is perpendicular to the center line of the discharging groove (742).
9. The stock form die of claim 7 wherein: a strip-shaped groove (721) which is communicated with the second feeding hole (32) and the feeding hole (741) is arranged on the outer circumferential wall surface of the outer ring (72).
10. The stock form die of claim 1 wherein: the lower end of the inner ring (71) is provided with a flow passage surface (711) which is flush with the outer wall surface of the storage core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018593.9A CN108943647B (en) | 2018-09-03 | 2018-09-03 | Storage type die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811018593.9A CN108943647B (en) | 2018-09-03 | 2018-09-03 | Storage type die head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108943647A CN108943647A (en) | 2018-12-07 |
| CN108943647B true CN108943647B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811018593.9A Active CN108943647B (en) | 2018-09-03 | 2018-09-03 | Storage type die head |
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| Country | Link |
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| CN (1) | CN108943647B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055468B (en) * | 2020-01-09 | 2025-05-02 | 苏州杰威尔精密机械有限公司 | An extrusion die with a deflection diverter hole for a plastic extruder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2481508Y (en) * | 2001-07-04 | 2002-03-13 | 常熟市同大机械有限公司 | Visible liquid level line forming die for plastic container |
| CN104191593A (en) * | 2014-08-07 | 2014-12-10 | 张家港市普信机械有限公司 | Novel die head of blow molding machine |
| CN204036818U (en) * | 2014-08-07 | 2014-12-24 | 张家港市普信机械有限公司 | A kind of storing core of mould head of blow-moulding machine and mould head of blow-moulding machine |
| CN106863757A (en) * | 2017-04-10 | 2017-06-20 | 苏州同大机械有限公司 | For blowing the die head with transparent liquid level line or colour bar line hollow plastic container |
| CN107336418A (en) * | 2017-07-17 | 2017-11-10 | 苏州金纬管道科技有限公司 | Assembling die for plastic extruder |
| CN107351359A (en) * | 2017-07-17 | 2017-11-17 | 苏州金纬管道科技有限公司 | Guide's distributor for plastic extruder |
| CN208697921U (en) * | 2018-09-03 | 2019-04-05 | 苏州金纬中空技术有限公司 | Storing coventry type die head coventry |
-
2018
- 2018-09-03 CN CN201811018593.9A patent/CN108943647B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2481508Y (en) * | 2001-07-04 | 2002-03-13 | 常熟市同大机械有限公司 | Visible liquid level line forming die for plastic container |
| CN104191593A (en) * | 2014-08-07 | 2014-12-10 | 张家港市普信机械有限公司 | Novel die head of blow molding machine |
| CN204036818U (en) * | 2014-08-07 | 2014-12-24 | 张家港市普信机械有限公司 | A kind of storing core of mould head of blow-moulding machine and mould head of blow-moulding machine |
| CN106863757A (en) * | 2017-04-10 | 2017-06-20 | 苏州同大机械有限公司 | For blowing the die head with transparent liquid level line or colour bar line hollow plastic container |
| CN107336418A (en) * | 2017-07-17 | 2017-11-10 | 苏州金纬管道科技有限公司 | Assembling die for plastic extruder |
| CN107351359A (en) * | 2017-07-17 | 2017-11-17 | 苏州金纬管道科技有限公司 | Guide's distributor for plastic extruder |
| CN208697921U (en) * | 2018-09-03 | 2019-04-05 | 苏州金纬中空技术有限公司 | Storing coventry type die head coventry |
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| Publication number | Publication date |
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| CN108943647A (en) | 2018-12-07 |
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