CN208558214U - A kind of multisection type kneading screw - Google Patents
A kind of multisection type kneading screw Download PDFInfo
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- CN208558214U CN208558214U CN201821236822.XU CN201821236822U CN208558214U CN 208558214 U CN208558214 U CN 208558214U CN 201821236822 U CN201821236822 U CN 201821236822U CN 208558214 U CN208558214 U CN 208558214U
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- spiral shell
- shell rib
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- multisection type
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Abstract
The utility model discloses a kind of multisection type kneading screws, including screw rod spline, transmission parts on the right side of the screw rod spline, which pass through to pour to constitute with the multiple thread section on the right side of blanking section, to be connected, the left and right sides of the multiple thread section pours respectively is connected with main spiral shell rib, secondary spiral shell rib and left-and-right spiral slot mixing section, and follower head is provided on the right side of left-and-right spiral slot mixing section, main spiral shell rib and secondary spiral shell rib are interspersed.The multisection type kneading screw increases secondary spiral shell rib compression by blanking section and shunts, so that raw material can be by the smaller of raw material compression by the effect of main spiral shell rib and secondary spiral shell rib, then raw material carries out second compression again using multiple thread section, and after raw material is squeezed by multiple thread section, shunt again using left-and-right spiral slot mixing section and be kneaded, raw material can be made sufficiently to be plasticized, plasticizing rate is fast, it compresses smaller, it is not easy to turn to be yellow, color blending effect is good, so that the multisection type kneading screw meets the demand of present raw material injection molding.
Description
Technical field
The utility model relates to screw apparatus technical field, specially a kind of multisection type kneading screw.
Background technique
A kind of multisection type kneading screw is then a component of screw thread injection molding machine, and injecting systems are that injection molding machine is most important
One of component part generally has plunger type, screw, screw rod preformed plunger injection 3 kinds of principal modes of formula.It is most widely used at present
Be screw.Its effect is in a circulation of injection molding material machine, before the deadline to add a certain number of plastics
After thermoplastification, under certain pressure and speed, molten plastic is injected in mold cavity by screw rod.It is right after injection
Be injected into melt in die cavity and keep sizing, at present the common nut stem material in China have No. 45 steel, 40Cr, ammonification steel,
38CrMOAl, high temperature alloy etc..1) No. 45 steel are cheap, and processing performance is good, but wear-corrosion resistance is poor.Heat treatment: quenched
HB220-270, high-frequency quenching HRC45--48.2) performance of 40Cr is better than No. 45 steel, but often to plate one layer of chromium, to improve
The ability of its anticorrosive anti-wear.But more demanding to chrome layer, coating is too thin to be prone to wear out, too thick then easy peeling, after peeling
Accelerated corrosion instead, less application.Heat treatment: quenched HB220-270 plates hard chrome HRC > 553) nitrated steel, 38CrMoAl be comprehensive
It is more excellent to close performance, using than wide.General nitration case is up to 0.4-0.6 millimeter.But this material resists hydrogen-chloride etching
Ability it is low, and price is higher.High-temperature alloy material is better than other materials, which does not have to coating, and it is raw to be mainly used for injection molding machine
Halogen screw rod, and a kind of multisection type kneading screw is then one of these screw rods.
The injection moulding speed when carrying out injection molding work of multisection type kneading screw currently on the market is slow, and raw material plasticizing is insufficient
The phenomenon that.
Summary of the invention
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of multisection type kneading screw
Screw rod injection moulding speed is slow currently on the market, and raw material is plasticized insufficient problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of multisection type kneading screw, including screw rod
Spline, the transmission parts on the right side of the screw rod spline are connected by pouring the multiple thread section on the right side of integral type and blanking section and constituting
It connects, the left and right sides of the multiple thread section pours respectively is connected with main spiral shell rib, secondary spiral shell rib and left-and-right spiral slot mixing section, and left
Follower head is provided on the right side of right spiral mixing section.
Preferably, the main spiral shell rib and secondary spiral shell rib are interspersed, and main spiral shell rib and secondary spiral shell rib form a screw thread group.
Preferably, the volume between the screw thread of the multiple thread section is less than between the screw thread between main spiral shell rib and secondary spiral shell rib
Volume.
Preferably, the left-and-right spiral slot is kneaded the groove structure that section surface is evenly distributed with equity.
Compared with prior art, the utility model has the beneficial effects that the multisection type kneading screw is increased by blanking section
The compression of secondary spiral shell rib shunts, so that raw material can be compressed smaller, then raw material by the effect of main spiral shell rib and secondary spiral shell rib by raw material
Second compression again is carried out using multiple thread section, and after raw material is squeezed by multiple thread section, using left-and-right spiral
Slot mixing section is squeezed again, raw material can be made sufficiently to be plasticized, and plasticizing rate is fast, and compression is smaller, is not easy to turn to be yellow, color blending effect
It is good, so that the multisection type kneading screw meets the demand of present raw material injection molding.
Detailed description of the invention
Fig. 1 is a kind of multisection type kneading screw structural schematic diagram of the utility model；
Fig. 2 is a kind of main spiral shell rib of multisection type kneading screw of the utility model and secondary spiral shell rib structural schematic diagram；
Fig. 3 is a kind of multisection type kneading screw left-and-right spiral slot mixing section of the utility model and follower head structural schematic diagram.
In figure: 1, screw rod spline, 2, transmission parts, 3, blanking section, 4, main spiral shell rib, 5, secondary spiral shell rib, 6, multiple thread section, 7,
Left-and-right spiral slot mixing section, 8, follower head.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of multisection type kneading screw, including screw rod flower
Key 1, the transmission parts 2 on 1 right side of screw rod spline constitute connection by pouring the multiple thread section 6 on 3 right side of integral type and blanking section,
The left and right sides of multiple thread section 6 pours respectively is connected with main spiral shell rib 4, secondary spiral shell rib 5 and left-and-right spiral slot mixing section 7, and left and right
Follower head 8 is provided on the right side of helicla flute mixing section 7, this structure makes the multisection type kneading screw increase secondary spiral shell by blanking section 3
The compression of rib 5 shunts, so that raw material can be compressed raw material by the effect of main spiral shell rib 4 and secondary spiral shell rib 5 smaller, then raw material is again
Second compression again is carried out by multiple thread section 6, and after raw material is squeezed by multiple thread section 6, using left-and-right spiral
Slot mixing section 7 is squeezed again, raw material can be made sufficiently to be plasticized, and plasticizing rate is fast, and compression is smaller, is not easy to turn to be yellow, colour mixture effect
Fruit is good, so that the multisection type kneading screw meets the demand of present raw material injection molding, main spiral shell rib 4 and secondary spiral shell rib 5 are in staggeredly
Distribution, and main spiral shell rib 4 and secondary spiral shell rib 5 form a screw thread group, for this structure when raw material is molded, raw material can be by screw rod
The main spiral shell rib 4 that is interspersed and secondary spiral shell rib 5 when so as to by Raw material processing, obtain careful compression shunting, to make raw material can be into
Row is sufficiently plasticized, and the volume between the screw thread of multiple thread section 6 is less than the appearance between the screw thread between main spiral shell rib 4 and secondary spiral shell rib 5
Product, this structure to compress after shunting in raw material by main spiral shell rib 4 and secondary spiral shell rib 5, can carry out more again by multiple thread section 6
The compression that refinement causes shunts, the effect that the raw material of processing can so be sufficiently plasticized, 7 surface of left-and-right spiral slot mixing section
It is evenly distributed with the groove structure of equity, this structure makes after raw material is by multiple thread section 6, and raw material enters left-and-right spiral
On slot mixing section 7, it is evenly distributed with the groove structure of equity by 7 outer surface of left-and-right spiral slot mixing section, the pressure of raw material can be made
It contracts smaller, and be plasticized raw material can sufficiently.
Working principle: when using the multisection type kneading screw, first check that the device is damaged with the presence or absence of part or connects
Loosely the case where, check it is errorless after carry out again using, then first by ready multisection type kneading screw be installed to screw thread injection molding
On machine, then ready raw material is placed at the screw rod spline 1 of the multisection type kneading screw, then again by screw thread injection molding machine
Started, so that ready raw material enters from the screw rod spline 1 of the multisection type kneading screw, then raw material passes through spiral shell again
Bar spline 1 rotates at transmission parts 2, and then raw material is rotated to again in blanking section 3, and then it is mixed to pass through the multisection type again for raw material
Refining screw rod increases the compression of secondary spiral shell rib 5 by blanking section 3 and shunts, so that raw material can will be former by the effect of main spiral shell rib 4 and pair spiral shell rib 5
Material compression it is smaller, then raw material using being compressed again in multiple thread section 6, and passes through multiple thread section in raw material
After 6 squeeze, squeezed again using the groove structure on left-and-right spiral slot mixing section 7, such raw material just passes through this
Multisection type kneading screw processes, and the raw material after processing can be discharged by follower head 8, can make original by multisection type kneading screw
Material sufficiently plasticizing, plasticizing rate is fast, and compression is smaller, is not easy to turn to be yellow, and color blending effect is good, so that the multisection type kneading screw meets
The demand of present raw material injection molding, here it is the working principles of the multisection type kneading screw.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (4)
1. a kind of multisection type kneading screw, including screw rod spline (1), the transmission parts (2) on the right side of the screw rod spline (1) pass through
It pours the multiple thread section (6) on the right side of integral type and blanking section (3) and constitutes connection, it is characterised in that: the multiple thread section (6)
The left and right sides pour be connected with main spiral shell rib (4), secondary spiral shell rib (5) and left-and-right spiral slot mixing section (7) respectively, and left-and-right spiral slot
Follower head (8) are provided on the right side of mixing section (7).
2. a kind of multisection type kneading screw according to claim 1, it is characterised in that: the main spiral shell rib (4) and secondary spiral shell rib
(5) it is interspersed, and main spiral shell rib (4) and secondary spiral shell rib (5) form a screw thread group.
3. a kind of multisection type kneading screw according to claim 1, it is characterised in that: the spiral shell of the multiple thread section (6)
Volume between line is less than the volume between the screw thread between main spiral shell rib (4) and secondary spiral shell rib (5).
4. a kind of multisection type kneading screw according to claim 1, it is characterised in that: the left-and-right spiral slot mixing section
(7) surface is evenly distributed with the groove structure of equity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236822.XU CN208558214U (en) | 2018-08-02 | 2018-08-02 | A kind of multisection type kneading screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236822.XU CN208558214U (en) | 2018-08-02 | 2018-08-02 | A kind of multisection type kneading screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208558214U true CN208558214U (en) | 2019-03-01 |
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ID=65449293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821236822.XU Active CN208558214U (en) | 2018-08-02 | 2018-08-02 | A kind of multisection type kneading screw |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848166A (en) * | 2021-03-16 | 2021-05-28 | 舟山市通达塑料机械有限公司 | Improve screw rod for injection molding of extra-white panel of yield |
-
2018
- 2018-08-02 CN CN201821236822.XU patent/CN208558214U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848166A (en) * | 2021-03-16 | 2021-05-28 | 舟山市通达塑料机械有限公司 | Improve screw rod for injection molding of extra-white panel of yield |
| CN112848166B (en) * | 2021-03-16 | 2022-08-09 | 舟山市通达塑料机械有限公司 | Improve screw rod for injection molding of extra-white panel of yield |
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