CN205929404U - A extrude screw rod for boring a duplex section of thick bamboo - Google Patents
A extrude screw rod for boring a duplex section of thick bamboo Download PDFInfo
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- CN205929404U CN205929404U CN201620956537.XU CN201620956537U CN205929404U CN 205929404 U CN205929404 U CN 205929404U CN 201620956537 U CN201620956537 U CN 201620956537U CN 205929404 U CN205929404 U CN 205929404U
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- spiral shell
- shell rib
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- homogenizing
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Abstract
The utility model provides an extrude screw rod for boring a duplex section of thick bamboo, including feed zone (1), melt zone (2), homogenizing section (3), plastify section (4), extrusion section (5) be provided with spiral shell arris, its characterized in that on feed zone (1), melt zone (2), homogenizing section (3), plastify section (4), extrusion section (5): spiral shell arris on extrusion section (5) is including spiral shell arris anterior segment (51), spiral shell arris middle section (52) and spiral shell arris back end (53), the spiral shell arris width (S) of spiral shell arris anterior segment (51), spiral shell arris middle section (52) and spiral shell arris back end (53) and the distance of the spiral shell arris between the adjacent spiral shell arris (L) increase in proper order, and are located the spiral shell arris width (S) of same section and equal respectively that the spiral shell arris distance (L) in the same section is also equal respectively, spiral shell arris anterior segment (51) makes three -section spiral shell arris become whole spiral shell arris with spiral shell arris middle section (52), spiral shell arris middle section (52) with smooth the linking together of spiral shell arris of spiral shell arris back end (53) junction. The utility model has the advantages of: the compounding is abundant, and it is stable to extrude material homogeneous effectual, that extrude, long service life.
Description
Technical field
This utility model is related to a kind of extruder manufacture technology field, especially a kind of extrusion spiral shell for boring double machine barrel
Bar.
Background technology
A kind of existing Patent No. CN201120547311.1 is entitled《A kind of cone twin screw》Chinese utility model special
Profit discloses a kind of cone twin screw, is provided with spiral shell rib on described feed zone, melt zone, homogenizing zone, fluxing zone, extruding zone, its
It is characterised by：Described spiral shell rib is the independent spiral shell rib being disconnected from each other on feed zone, melt zone, homogenizing zone, fluxing zone, extruding zone,
Spiral shell rib on described extruding zone includes spiral shell rib leading portion and spiral shell rib back segment, the spiral shell rib groove of described spiral shell rib leading portion and the spiral shell of spiral shell rib back segment
The corresponding connection of rib, the cross section of the spiral shell rib on described extruding zone is about triangular in shape, and three drift angles are circular arc.This practicality is new
The advantage of type is：Batch mixing is more abundant, and shearing force is bigger, and material plasticizing ability is higher, and Screw Extrusion temperature of charge is stable,
Pressure oscillation is little, production high it is adaptable to various reclaimed materials, PE, the pelletize of the high inserts such as PP, PVC and tubulation.However,
The extruding zone spiral shell rib spacing change of this cone twin screw is very fast, and extrusion materials are unstable, and extrusion effect is undesirable, therefore the double spiral shell of this cone
The structure of bar also needs to improve further.
Content of the invention
Technical problem to be solved in the utility model is to provide a kind of batch mixing for above-mentioned state of the art fully,
Extrusion effect is good, the extrusion screw rod for boring double machine barrel of the material stable homogeneous of extrusion.
This utility model solves the technical scheme that adopted of above-mentioned technical problem：This is used for boring the extrusion spiral shell of double machine barrel
Bar, includes feed zone, melt zone, homogenizing zone, fluxing zone, extruding zone, in described feed zone, melt zone, homogenizing zone, plasticizing
Section, be provided with spiral shell rib on extruding zone it is characterised in that：Spiral shell rib on described extruding zone include spiral shell rib leading portion, spiral shell rib stage casing with
Spiral shell rib back segment, the spiral shell rib distance between described spiral shell rib leading portion, the spiral shell rib width of spiral shell rib stage casing and spiral shell rib back segment and adjacent spiral shell rib according to
Secondary increase, and the spiral shell rib width being located in same section is equal respectively, spiral shell rib also equal respectively, the described spiral shell rib of distance in same section
Three sections of spiral shell ribs are made to become whole together with leading portion is smoothly connected with the spiral shell rib of spiral shell rib back segment junction with spiral shell rib stage casing, spiral shell rib stage casing
Body spiral shell rib.
As improvement, the length of described spiral shell rib leading portion, spiral shell rib stage casing and spiral shell rib back segment is than preferably for 1～1.2: 1: 1.2
～1.5.
As improvement, described homogenizing zone preferably includes one section of homogenizing and homogenizing two-stage nitration, on the spiral shell rib of one section of described homogenizing
Axially arranged have spiral helicine homogenization groove.
Improve further, described homogenization groove is preferably five, five homogenization grooves are arranged on the same of spiral shell rib axial direction at equal intervals
On one circumference.
Improve further, the depth of described homogenization groove is preferably 25～30mm.
Improve further, the spiral shell rib of one section of described homogenizing and the spiral shell rib of homogenizing two-stage nitration are preferably the independent spiral shell being disconnected from each other
Rib, described one section of spacing distance and homogenizing two-stage nitration between of homogenizing is 25～30mm.
As improvement, described feed zone includes feeding one section with charging two-stage nitration, and the spiral shell rib spacing of one section of described charging is more than
The spiral shell rib spacing of charging two-stage nitration.
Improve further, one section of described charging is with the spiral shell rib feeding two-stage nitration junction preferably for together with being smoothly connected
Two ends spiral shell rib is made to be integrally formed spiral shell rib, one section of spiral shell rib width of charging is more than charging two-stage nitration spiral shell rib width, described one section of spiral shell rib of charging
Width is preferably 15～20mm, and described charging two-stage nitration spiral shell rib width is preferably 10～15mm.
As improvement, described feed zone, melt zone, homogenizing zone, fluxing zone, extruding zone are preferably the independence being disconnected from each other
Spiral shell rib, described feed zone, melt zone, homogenizing zone, fluxing zone, the length of extruding zone are than for 2～2.5: 1～1.2: 1～1.5: 1.5
～2: 2.5～3.5.
As improvement, the surface of described extrusion screw rod is provided with nitration case, and the thickness of described nitration case is 0.4～0.7mm.
Compared with prior art, the utility model has the advantage of：Described spiral shell rib leading portion, spiral shell rib stage casing and spiral shell rib back segment
Spiral shell rib distance between spiral shell rib width and adjacent spiral shell rib increases successively, and the spiral shell rib width being located in same section is equal respectively, with
Spiral shell rib distance in one section is also equal respectively, and the material after plasticizing can be gradually logical in the space that spiral shell rib bottom land is formed with machine barrel
Cross, by rational screw rod velocity of rotation, realize the control to temperature of charge, pressure and extrusion capacity, reach and squeeze by production requirement
Go out the purpose of material, the spiral shell rib of spiral shell rib leading portion, spiral shell rib stage casing and spiral shell rib back segment junction is smoothly connected, the length ratio of three sections of spiral shell ribs
For 1～1.2: 1: 1.2～1.5, the space that spiral shell rib bottom land is formed with machine barrel is gradually increased, and transition is steadily it is ensured that sufficiently squeeze
Go out the time, and keep suitable extruded velocity, the material stable homogeneous after extrusion, extrusion effect is outstanding；The spiral shell rib of one section of homogenizing
Upper axial direction is provided with spiral helicine homogenization groove, batch mixing fully, can gas preferably in extruded material, make material compacting, for taking
Obtain more preferable plasticizing effect to lay the first stone；Feed zone include feeding one section with charging two-stage nitration, the spiral shell rib spacing of one section of described charging
More than the spiral shell rib spacing of charging two-stage nitration, it is gradually reduced the space that spiral shell rib bottom land is formed with machine barrel, is slowly increased the pressure of material, prolongs
Long machine barrel and the service life of this extrusion screw rod, are also that material is fully heated, it is to avoid local caking impact melting effect, extrude spiral shell
The surface of bar is provided with nitration case, extends the service life of this extrusion screw rod further.
Brief description
Fig. 1 is the front projection figure of this utility model embodiment；
Fig. 2 is the enlarged drawing of I part in Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 1 along line A-A.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in Figure 1 to Figure 3, the extrusion screw rod for boring double machine barrel of the present embodiment, includes feed zone 1, melt zone
2nd, homogenizing zone 3, fluxing zone 4, extruding zone 5, is arranged on described feed zone 1, melt zone 2, homogenizing zone 3, fluxing zone 4, extruding zone 5
There is spiral shell rib, the spiral shell rib on described extruding zone 5 includes spiral shell rib leading portion 51, spiral shell rib stage casing 52 and spiral shell rib back segment 53, before described spiral shell rib
Section 51, spiral shell rib stage casing 52 are increased apart from L with the spiral shell rib between adjacent spiral shell rib successively with the spiral shell rib width S of spiral shell rib back segment 53, and position
Spiral shell rib width S in same section is equal respectively, and the spiral shell rib in same section is also equal respectively apart from L, described spiral shell rib leading portion 51 with
Three sections of spiral shell ribs are made to become whole together with spiral shell rib stage casing 52, spiral shell rib stage casing 52 are smoothly connected with the spiral shell rib of spiral shell rib back segment 53 junction
Body spiral shell rib.Described spiral shell rib leading portion 51, the length of spiral shell rib stage casing 52 and spiral shell rib back segment 53 are than for 1～1.2: 1: 1.2～1.5.Described
Homogenizing zone 3 includes one section 31 of homogenizing and homogenizing two-stage nitration 32, the spiral shell rib that a section 31 of described homogenizing is axially provided with spiral helicine all
Change groove 33.Described homogenization groove 33 is five, and five homogenization grooves 33 are arranged on the same circumference of spiral shell rib axial direction at equal intervals.Described equal
Depth M changing groove 33 is 25～30mm.The spiral shell rib of the spiral shell rib that a section 31 of described homogenizing and homogenizing two-stage nitration 32 is be disconnected from each other only
Vertical spiral shell rib, described one section of 31 spacing distance N and homogenizing two-stage nitration 32 between of homogenizing is 25～30mm.Described feed zone 1 include into
One section 11 of material and charging two-stage nitration 12, the described spiral shell rib spacing feeding a section 11 is more than the spiral shell rib spacing of charging two-stage nitration 12.Described enter
Make two ends spiral shell rib be integrally formed spiral shell rib together with one section of 11 spiral shell rib with charging two-stage nitration 12 junction of material is smoothly connected, feed one
Section spiral shell rib width K is more than charging two-stage nitration spiral shell rib width P.Described one section of spiral shell rib width K of charging is 15～20mm, described charging two-stage nitration
Spiral shell rib width P is 10～15mm.Described feed zone 1, melt zone 2, homogenizing zone 3, fluxing zone 4, extruding zone 5 are only for be disconnected from each other
Vertical spiral shell rib, described feed zone 1, melt zone 2, homogenizing zone 3, fluxing zone 4, extruding zone 5 length than for 2～2.5: 1～1.2: 1～
1.5: 1.5～2: 2.5～3.5.The surface of described extrusion screw rod is provided with nitration case 13, and the thickness of described nitration case 13 is 0.4
～0.7mm, hardness HV ＞ 940, fragility is not more than 2 grades.When the body of rod of this extrusion screw rod manufactures after normalized treatment, roughing
Quenched, metallographic structure is all sorbite, HB=240～260.
Claims (10)
1. a kind of extrusion screw rod for boring double machine barrel, includes feed zone (1), melt zone (2), homogenizing zone (3), fluxing zone
(4), extruding zone (5), are provided with (5) in described feed zone (1), melt zone (2), homogenizing zone (3), fluxing zone (4), extruding zone
Spiral shell rib it is characterised in that：After spiral shell rib on described extruding zone (5) includes spiral shell rib leading portion (51), spiral shell rib stage casing (52) and spiral shell rib
Section (53), between described spiral shell rib leading portion (51), spiral shell rib width (S) of spiral shell rib stage casing (52) and spiral shell rib back segment (53) and adjacent spiral shell rib
Spiral shell rib distance (L) increase successively, and spiral shell rib width (S) that is located in same section is equal respectively, the spiral shell rib distance in same section
(L) also equal respectively, described spiral shell rib leading portion (51) and spiral shell rib stage casing (52), spiral shell rib stage casing (52) and spiral shell rib back segment (53) junction
Spiral shell rib be smoothly connected together to make three sections of spiral shell ribs be integrally formed spiral shell rib.
2. extrusion screw rod according to claim 1 it is characterised in that：Described spiral shell rib leading portion (51), spiral shell rib stage casing (52) with
The length of spiral shell rib back segment (53) is than for 1～1.2: 1: 1.2～1.5.
3. extrusion screw rod according to claim 1 and 2 it is characterised in that：Described homogenizing zone (3) includes one section of homogenizing (31)
With homogenizing two-stage nitration (32), the spiral shell rib of described homogenizing one section (31) is axially provided with spiral helicine homogenization groove (33).
4. extrusion screw rod according to claim 3 it is characterised in that：Described homogenization groove (33) is five, five homogenization grooves
(33) it is arranged at equal intervals on the same circumference of spiral shell rib axial direction.
5. extrusion screw rod according to claim 4 it is characterised in that：The depth (M) of described homogenization groove (33) be 25～
30mm.
6. extrusion screw rod according to claim 5 it is characterised in that：The spiral shell rib of described homogenizing one section (31) and homogenizing two-stage nitration
(32) spiral shell rib is the independent spiral shell rib being disconnected from each other, the spacing distance between described homogenizing one section (31) and homogenizing two-stage nitration (32)
(N) it is 25～30mm.
7. extrusion screw rod according to claim 1 and 2 it is characterised in that：Described feed zone (1) includes one section (11) of charging
With charging two-stage nitration (12), the spiral shell rib spacing of described charging one section (11) is more than the spiral shell rib spacing feeding two-stage nitration (12).
8. extrusion screw rod according to claim 7 it is characterised in that：Described one section of charging (11) is with charging two-stage nitration (12) even
The spiral shell rib at the place of connecing is smoothly connected together makes two ends spiral shell rib be integrally formed spiral shell rib, and one section of spiral shell rib width (K) of charging is more than charging
Two-stage nitration spiral shell rib width (P), described one section of spiral shell rib width (K) of charging is 15～20mm, and described charging two-stage nitration spiral shell rib width (P) is 10
～15mm.
9. extrusion screw rod according to claim 1 and 2 it is characterised in that：Described feed zone (1), melt zone (2), homogenizing
Section (3), fluxing zone (4), extruding zone (5) are the independent spiral shell rib being disconnected from each other, described feed zone (1), melt zone (2), homogenizing zone
(3), the length of fluxing zone (4), extruding zone (5) is than for 2～2.5: 1～1.2: 1～1.5: 1.5～2: 2.5～3.5.
10. extrusion screw rod according to claim 1 and 2 it is characterised in that：The surface of described extrusion screw rod is provided with nitridation
Layer (13), the thickness of described nitration case (13) is 0.4～0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956537.XU CN205929404U (en) | 2016-08-19 | 2016-08-19 | A extrude screw rod for boring a duplex section of thick bamboo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956537.XU CN205929404U (en) | 2016-08-19 | 2016-08-19 | A extrude screw rod for boring a duplex section of thick bamboo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205929404U true CN205929404U (en) | 2017-02-08 |
Family
ID=57952961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620956537.XU Active CN205929404U (en) | 2016-08-19 | 2016-08-19 | A extrude screw rod for boring a duplex section of thick bamboo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205929404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107348548A (en) * | 2017-07-21 | 2017-11-17 | 贵州省贝真食业有限公司 | A kind of plain meat process equipment bolt special |
| CN113352565A (en) * | 2021-05-26 | 2021-09-07 | 舟山德玛吉实业有限公司 | High-performance chromium carbide permeable machine barrel screw |
-
2016
- 2016-08-19 CN CN201620956537.XU patent/CN205929404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107348548A (en) * | 2017-07-21 | 2017-11-17 | 贵州省贝真食业有限公司 | A kind of plain meat process equipment bolt special |
| CN113352565A (en) * | 2021-05-26 | 2021-09-07 | 舟山德玛吉实业有限公司 | High-performance chromium carbide permeable machine barrel screw |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |