CN112264204A - Swirler for fluid pipeline - Google Patents
Swirler for fluid pipeline Download PDFInfo
- Publication number
- CN112264204A CN112264204A CN202011188464.1A CN202011188464A CN112264204A CN 112264204 A CN112264204 A CN 112264204A CN 202011188464 A CN202011188464 A CN 202011188464A CN 112264204 A CN112264204 A CN 112264204A
- Authority
- CN
- China
- Prior art keywords
- swirler
- swirl
- whirl
- main body
- cyclone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 11
- 239000011229 interlayer Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 description 28
- 229920003023 plastic Polymers 0.000 description 28
- 239000002994 raw material Substances 0.000 description 23
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a swirler for fluid pipeline, a flow passage hole is arranged in the swirler main body of the swirler main body, a plurality of swirl guide vanes are uniformly distributed on the circumferential hole wall of the flow passage hole, the surfaces of the swirl guide vanes are all provided with swirl cambered surfaces, one end of the swirl cambered surface is inclined downwards, an included angle A is formed between the chord length and the end surface of the swirler main body, the fixed points of the arcs at the outer ends of the swirl guide vanes form a circular hole-shaped medium main channel, the medium swirl channels and the medium main channel between the swirl guide vanes are communicated with each other, the thickness of the swirl guide vanes is smaller than that of the swirler main body, the highest point of the swirl cambered surface at one side of the swirl guide vanes is flush with the end surface at one side of the swirler main body, and the highest point of the swirl cambered surface at the other side is flush with the end surface at the other side of the, the phenomena of bubbles, air holes, interlayers and the like of the injection molding product are greatly reduced, and the yield and the production efficiency are improved.
Description
Technical Field
The invention relates to the technical field of injection molding processing equipment, in particular to a swirler for a fluid pipeline.
Background
Such as plastic barrels for barreled water, plastic pots for edible oil and the like, adopts the method that plastic raw materials are put into a high-temperature furnace to be heated and melted into fluid state, the fluid plastic raw materials flow out from a discharge port of the high-temperature furnace and enter a fluid pipeline, the other end of the fluid pipeline is connected with a feed port of an injection mold of a product, the fluid plastic raw materials enter the injection mold of the product and are filled according to a mold cavity of the injection mold, cooling and demoulding are carried out, plastic products are formed, the industry is called injection molding processing, a fluid plastic raw material conveying pipeline for connecting an injection mold and a high-temperature smelting furnace in injection molding equipment becomes a fluid pipeline, the fluid pipeline configured in the current application is in a straight-through type, namely, the fluid plastic raw material naturally flows in the fluid pipeline under the action of gravity and is injected into a mold cavity of the injection mold, and the similar fluid pipeline has the defects that: firstly, the fluid plastic raw material flows in a fluid pipeline and flows by the gravity generated by the height difference, and the difference between the upper pressure and the lower pressure is small; the flowing mode of the fluid plastic raw material in the fluid pipeline is a self-flowing mode, and the fluid plastic raw material can reach the inlet of the injection mould unevenly due to different friction forces, the amount of the fluid plastic raw material injected into the mould cavity of the injection mould is uneven in unit time, the dynamic cooling process of the fluid plastic raw material is disordered, and bubbles, air holes and interlayers exist in the plastic product after injection moulding in the mould cavity of the injection mould, so that waste products are generated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a swirler for a fluid pipeline, wherein a flow passage hole is arranged in a swirler main body of a swirler body, a plurality of swirl guide vanes are uniformly distributed on the circumferential hole wall of the flow passage hole, swirl cambered surfaces are respectively arranged on the surfaces of the swirl guide vanes, one end of each swirl cambered surface is inclined downwards, an included angle A is formed between a chord length and the end surface of the swirler main body, fixed points of arcs at the outer ends of the swirl guide vanes form a circular hole-shaped medium main channel, the medium swirl channels and the medium main channels between the swirl guide vanes are communicated with each other, the thickness of each swirl guide vane is smaller than that of the swirler main body, the highest point of the swirl cambered surface at one side of each swirl guide vane is flush with the end surface at one side of the swirler main body, and the highest point of the swirl cambered surface at the other side of the swirler main body is flush with the end surface, the phenomena of bubbles, air holes, interlayers and the like of the injection molding product are greatly reduced, and the yield and the production efficiency are improved.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a swirler for fluid pipeline, contains the swirler body, the swirler body contains the swirler main part, establish runner hole 11 in the swirler main part, a plurality of whirl stator of the circumference pore wall equipartition in runner hole, the whirl cambered surface is all established on the surface of whirl stator, the equal downward sloping of one end of whirl cambered surface, the circular arc is all established to the outer end of whirl stator, and the fixed point of a plurality of whirl stator circular arcs constitutes the medium main entrance of round hole form, and the medium whirl passageway between each whirl stator all communicates with the medium main entrance mutually.
And an included angle A is formed between the chord length of the cyclone arc surface with one end inclined downwards and the end surface of the cyclone main body.
Further, the radiuses R of the plurality of rotational flow arc surfaces are equal.
The cyclone guide vane structure is further provided with a cyclone arc surface highest point at one side of the cyclone guide vane and an end surface at one side of the cyclone main body are flush, and a cyclone arc surface highest point at the other side of the cyclone guide vane and an end surface at the other side of the cyclone main body are flush.
Further, the thickness of the swirl guide vane is smaller than that of the swirler main body.
And arc transitional connection is arranged between the two side surfaces of the rotational flow guide vane and the circumferential hole wall of the flow passage hole.
And further setting, after the cyclone body made of the die steel material is subjected to heat treatment, polishing treatment is carried out on the wall of the flow passage hole in the cyclone body and the outer surface of the cyclone guide vane.
The invention has the beneficial effects that: according to the invention, raw materials flowing in the pipeline during injection molding processing are spirally, regularly and tightly fed into the injection mold and fill the inner cavity, so that the phenomena of bubbles, air holes, interlayers and the like of an injection molding product are greatly reduced, and the yield and the production efficiency are improved.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a sectional view taken along the line a of fig. 2.
In the figure: the cyclone body 1, the runner hole 11, the swirl guide vane 2, the swirl cambered surface 21, the cyclone body 3, the medium main channel 4 and the medium swirl channel 41.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1 and 2, a swirler for a fluid pipeline comprises a swirler body 3, the whole body is made of hot die steel material, the hardness of the swirler body is HRC52-55 after heat treatment, the hole wall of a runner hole 11 in the swirler body 1 and the outer surface of a swirl vane 2 are both polished and then subjected to surface nitridation, the nitridation depth is 0.05mm, the surface protection and oxidation prevention are facilitated, the service life is prolonged, the swirler body 3 comprises the swirler body 1, the runner hole 11 is arranged in the swirler body 1, a plurality of swirl vanes 2 are uniformly distributed on the circumferential hole wall of the runner hole 11, swirl arc surfaces 21 are respectively arranged on the surfaces of the swirl vanes 2, one ends of the swirl arc surfaces 21 are all inclined downwards, the swirl vanes 2 are beneficial to pushing flowing fluid-shaped plastic raw materials to rotate in a spiral shape, the outer ends of the swirl vanes 2 are respectively provided with circular arcs, the fixed points of the circular arcs of the, the medium swirl passage 41 between the swirl vanes 2 and the medium main passage 4 are communicated with each other.
As shown in fig. 3, an included angle a is formed between the chord length of the swirling arc surface 21 with one end inclined downwards and the end surface of the swirler body 3, the included angle a is generally selected from 20 to 25 degrees, a plurality of swirling arc surfaces 21 are uniform, the radii R of the swirling arc surfaces 21 are uniform, and the radius R is selected from 10mm to 13mm, in application, the swirler body 3 is installed in a fluid pipeline of injection molding equipment, when the fluid plastic raw material flowing in the fluid pipeline flows through the swirler body 1, the flowing is stopped naturally, the fluid plastic raw material with short pause enters the medium main channel 4 and the medium swirling channel 41 of the swirler body 3 and flows out simultaneously, in the process of flowing through the medium swirling channel 41, the uniformly distributed swirling arc surfaces 21 inclined downwards push the fluid plastic raw material to regularly rotate in the same direction, and drive the surface of the fluid plastic raw material flowing through the medium main channel 4 to synchronously rotate, the fluid plastic raw materials flowing through the medium main channel 4 and the medium rotational flow channel 41 flow and are pushed to turn at the same time, and then continuously flow in the fluid pipeline, so that a vortex is generated, the fluid plastic raw materials flowing through the medium main channel 4 and the medium rotational flow channel 41 generate vortex-type rotation, the pressure of the fluid plastic raw materials flowing through the cyclone body 3 is increased, the flow is regular, the volume of the fluid plastic raw materials in a unit volume is uniform and compact, the fluid plastic raw materials regularly and closely and continuously enter the injection mold and fill the inner cavity, the phenomena of bubbles, air holes, interlayers and the like of injection products are greatly reduced, and the yield and the production efficiency are improved.
The thickness of whirl stator 2 is less than the thickness of swirler main part 1, the whirl cambered surface 21 peak of one side of whirl stator 2 and the terminal surface parallel and level of swirler main part 1 one side, the whirl cambered surface 21 peak of the opposite side of whirl stator 2 and the terminal surface parallel and level of swirler main part 1 opposite side, do benefit to smooth and easy entering medium whirl passageway 41 behind the whirl cambered surface 21 of touching whirl stator 2 when fluid form plastics raw and other materials touch swirler main part 3 terminal surface, avoid the position of whirl cambered surface 21 peak and runner hole 11 to produce the deposit of fluid form plastics raw and other materials because of using for a long time and pile up, thereby lead to influencing the developments that fluid form plastics raw and other materials flow through in medium main passageway 4 and medium whirl passageway 41.
Circular arc transitional connection is respectively arranged on the two side faces of the rotational flow guide vane 2 and the circumferential hole wall of the flow passage hole 11, and smooth and regular flowing of fluid-shaped plastic raw materials is facilitated.
According to the invention, raw materials flowing in the pipeline during injection molding processing are spirally, regularly and tightly fed into the injection mold and fill the inner cavity, so that the phenomena of bubbles, air holes, interlayers and the like of an injection molding product are greatly reduced, and the yield and the production efficiency are improved.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the claims of the present invention.
Claims (7)
1. A swirler for a fluid conduit, characterized in that: contain swirler body (3), swirler body (3) contain swirler main part (1), establish runner hole (11) in swirler main part (1), a plurality of whirl stator (2) of the circumference pore wall equipartition of runner hole (11), whirl cambered surface (21) are all established on the surface of whirl stator (2), the equal downward sloping of one end of whirl cambered surface (21), the circular arc is all established to the outer end of whirl stator (2), and the fixed point of a plurality of whirl stator (2) circular arcs constitutes medium main entrance (4) of circular hole form, and medium whirl passageway (41) between each whirl stator (2) all communicate with each other with medium main entrance (4).
2. A swirler for a fluid conduit as claimed in claim 1, wherein: an included angle A is formed between the chord length of the cyclone arc surface (21) with one end inclined downwards and the end surface of the cyclone main body (1).
3. A swirler for a fluid conduit as claimed in claim 1, wherein: the radius R of the plurality of cyclone arc surfaces (21 are all equal.
4. A swirler for a fluid conduit as claimed in claim 1, wherein: the highest point of the rotational flow arc surface (21) on one side of the rotational flow guide vane (2) is flush with the end surface on one side of the cyclone main body (1), and the highest point of the rotational flow arc surface (21) on the other side of the rotational flow guide vane (2) is flush with the end surface on the other side of the cyclone main body (1).
5. A swirler for a fluid conduit as claimed in claim 1, wherein: the thickness of the swirl guide vane (2) is smaller than that of the swirler main body (1).
6. A swirler for a fluid conduit as claimed in claim 1, wherein: and the two side surfaces of the rotational flow guide vane (2) are in arc transition connection with the circumferential hole wall of the flow passage hole (11).
7. A swirler for a fluid conduit as claimed in claim 1, wherein: after the cyclone body (3) made of the die steel material is subjected to heat treatment, the wall of the flow passage hole (11) in the cyclone main body (1) and the outer surface of the cyclone guide vane (2) are polished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011188464.1A CN112264204A (en) | 2020-10-30 | 2020-10-30 | Swirler for fluid pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011188464.1A CN112264204A (en) | 2020-10-30 | 2020-10-30 | Swirler for fluid pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112264204A true CN112264204A (en) | 2021-01-26 |
Family
ID=74345085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011188464.1A Pending CN112264204A (en) | 2020-10-30 | 2020-10-30 | Swirler for fluid pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112264204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834094A (en) * | 2021-09-15 | 2021-12-24 | 中国船舶重工集团公司第七0三研究所 | Nozzle with tangential rotational flow structure |
-
2020
- 2020-10-30 CN CN202011188464.1A patent/CN112264204A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834094A (en) * | 2021-09-15 | 2021-12-24 | 中国船舶重工集团公司第七0三研究所 | Nozzle with tangential rotational flow structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210126 |