CN208730290U - Convenient for the screw rod for being plasticized and being kneaded - Google Patents
Convenient for the screw rod for being plasticized and being kneaded Download PDFInfo
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- CN208730290U CN208730290U CN201820781608.6U CN201820781608U CN208730290U CN 208730290 U CN208730290 U CN 208730290U CN 201820781608 U CN201820781608 U CN 201820781608U CN 208730290 U CN208730290 U CN 208730290U
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- pin
- kneaded
- section
- spiral shell
- shell rib
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Abstract
The utility model relates to a kind of screw rod convenient for being plasticized and being kneaded, including the body of rod, the body of rod includes pan feeding section, melt zone, the first barrier mixing section, pin mixing section, the second barrier mixing section；Melt zone includes the main spiral shell rib of melt zone, melt zone pair spiral shell rib, melt zone solid slot and melt zone melt tank；Pin mixing section sets pin and is kneaded spiral shell rib, pin is kneaded spiral shell rib and is formed with pin mixing screw channel, pin is kneaded screw channel and sets pin group, pin group is equally spaced along the hand of spiral that pin is kneaded spiral shell rib, pin group is made of 3 pins, pin is arranged along body of rod circumferential array, the administrative pin of the pin group along the perpendicular direction of the hand of spiral for being kneaded screw channel with pin；Whereby, make material carry out repeated segmentation, shunting and increase the dispersibility of mixing to material, homogenizing and dose, also reduce the fluctuation of screw rod longitudinal temperature and horizontal temperature difference, improve plasticizing quality；Moreover, frictional heat can be reduced, so that the generation of burnt material and bubble is reduced, to improve yield.
Description
Technical field
The utility model relates to a kind of screw rod fields, refer in particular to a kind of screw rod convenient for being plasticized and being kneaded.
Background technique
Injection molding is the main forming method of plastic products, and injection screw is one of key components and parts of injection molding machine, it
Rotated in the machine barrel of injection molding machine, production process are as follows: first by granular or powdery solid plastics be plasticized, including heating, compacting,
Mixing process becomes have the good plastic melt of the plasticity of uniform density, viscosity and component, then by applying centainly
Pressure makes this kind of plastic melt have certain flow rate and inject into the type chamber of molding die, after plastic melt cooling and shaping,
It can obtain and the consistent plastic products of die profile.
Existing screw rod is during extrusion processing, since plastic raw materials are different with the fusing point of additive, it may appear that fail to fill
Divide mixed melting, product surface is caused striped occur and be unable to normal use；In addition, screw rod friction temperature is excessively high, it is easy to produce
Coke material and bubble, cause yield lower.
Therefore, in the utility model patent application, applicant has studied intensively a kind of screw rod convenient for being plasticized and being kneaded
Solves the above problem.
Utility model content
The utility model will be designed to provide a kind of convenient for plasticizing and mixing for deficiency present in the above-mentioned prior art
Screw rod, make material carry out repeated segmentation, shunting and increase the dispersibility of mixing to material, homogenizing and dose, also subtract
Few screw rod longitudinal temperature fluctuation and horizontal temperature difference, improve plasticizing quality；Moreover, frictional heat can be reduced, to reduce burnt material
With the generation of bubble, to improve yield.
To realize above-mentioned purpose, the utility model adopts the following technical scheme:
A kind of screw rod convenient for being plasticized and being kneaded, including the body of rod, it successively includes pan feeding section, melting that the body of rod is turned left from the right side
Section, the first barrier mixing section, pin mixing section, the second barrier mixing section and guide part；
Circumferentially it is provided with pan feeding section spiral shell rib in the pan feeding section along the body of rod, the screw pitch of the pan feeding section spiral shell rib is equal and spiral shell rib
Groove depth is equal；
The melt zone includes the main spiral shell rib of melt zone, melt zone pair spiral shell rib, melt zone solid slot and melt zone melt tank, is melted
Melting the main spiral shell rib of section is to be extended to form and extend to the left end of melt zone by pan feeding section spiral shell rib, the melt zone pair spiral shell rib it is most right
The half circle gradual change at end connects the main spiral shell rib of melt zone, and the half circle gradual change of the left end of the melt zone pair spiral shell rib connects
Connect the end of the main spiral shell rib of melt zone；
It is recessed on first barrier mixing section and the second barrier mixing section parallel with axis or in 15 degree to 30 degree angles
Barrier be kneaded screw channel；
Pin is circumferentially provided with along the body of rod on pin mixing section and is kneaded spiral shell rib, and the pin is kneaded spiral shell rib in pin mixing section
Outer peripheral surface be formed with five circle pins and be kneaded screw channel, every circle pin is kneaded on the surface of screw channel that setting is there are three pin group, three
Pin group is equally spaced along the hand of spiral that pin is kneaded spiral shell rib, and the pin group is arranged by triangular in shape or up-side down triangle
3 pins composition, the administrative pin of the pin group along body of rod circumferential array, and, the administrative pin of the pin group along with
The perpendicular direction arrangement of the hand of spiral of pin mixing screw channel.
As a preferred embodiment, the half quantity left side milling that the barrier is kneaded screw channel is led to, and the barrier is kneaded screw channel
The other half quantity on the right of milling it is logical, and, the outer diameter that the barrier is kneaded screw channel two sides is different, and the outer diameter of one side is butted on another
The outer diameter of side.
As a preferred embodiment, the melt zone has one section of melting and is integrally connected to two sections of melting, the melting
One section is above arranged the main spiral shell rib of aforementioned melt section, and the upper setting aforementioned melt section of two sections of the melting main spiral shell rib, melts melt zone pair spiral shell rib
Melt section solid slot and melt zone melt tank.
As a preferred embodiment, it is described melting one section groove depth from depth to shallow, the spiral shell rib groove depth of the pan feeding section spiral shell rib
Degree is greater than the spiral groove depth of melt zone.
As a preferred embodiment, the outer right side without leave of one section of the melting, which is turned left, is gradually increased, outside one section of the melting
The right side, which is turned left, without leave is gradually increased to constant.
As a preferred embodiment, two sections of the melting connects the first barrier mixing section by first step portion, and described the
One barrier mixing section passes through third stage portion connection second by second step portion connecting pin mixing section, the pin mixing section
Barrier mixing section, the length of the pin mixing section are greater than the length of the first barrier mixing section, the length of the first barrier mixing section
Equal to the length of the second barrier mixing section, the length of the pan feeding section is greater than the length of pin mixing section, the length of one section of melting
Greater than the length of pan feeding section, the length of two sections of the melting is greater than the length of one section of melting.
As a preferred embodiment, the right end of the pan feeding section is provided with screw rod fixed part, the screw rod fixed part it is outer
Diameter is less than the outer diameter of pan feeding section, and side is symmetrically recessed with keyway before and after the periphery of the screw rod fixed part, and the inner wall of the keyway is past
Inside it is recessed with several screw holes being axially distributed along the body of rod.
As a preferred embodiment, interconnecting piece, the interconnecting piece are provided between one section of the screw rod fixed part and charging
It is concavely provided with transition flights.
As a preferred embodiment, pin is corresponded on the surface of the pin mixing screw channel be recessed with pin mounting groove, institute
Pin is stated to be tight in pin mounting groove.
As a preferred embodiment, the left side of the body of rod, which is turned right, is recessed with screw fixing groove.
The utility model has clear advantage and beneficial effect compared with prior art, specifically: mixed by pin
Refine section pin distribution, material can be carried out tearing and disorientation, make material carry out repeated segmentation, shunting and increase to material
Mixing, homogenizing and dose dispersibility, also reduce screw rod longitudinal temperature fluctuation and horizontal temperature difference, improve plasticizing quality；
Moreover, frictional heat can be reduced by the first barrier mixing section and the second barrier mixing section, to reduce the production of burnt material and bubble
It is raw, to improve yield；Meanwhile by setting the screw channel on the body of rod to from pan feeding section end end to melt zone successively by becoming deeply
Shallowly, convenient for the propulsion of quickening material, processing efficiency is improved；And overall construction design is ingenious reasonable, is easily installed fixation, has
There are preferable stability and reliability.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to its into
Row is described in detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the utility model；
Fig. 2 is cross section structure schematic diagram at A-A in Fig. 1；
Fig. 3 is cross section structure schematic diagram at B-B in Fig. 1；
Fig. 4 is cross section structure schematic diagram at C-C in Fig. 1；
Fig. 5 is cross section structure schematic diagram at M-M in Fig. 1；
Fig. 6 is deployed configuration schematic diagram at F in Fig. 1.
Drawing reference numeral explanation:
10, the body of rod 101, screw fixing groove
11, pan feeding section 111, pan feeding section spiral shell rib
12, the main spiral shell rib of melt zone 121, melt zone
122, melt zone pair spiral shell rib 123, melt zone solid slot
124, melt zone melt tank 125, one section of melting
126, two section 13, the first barrier mixing section are melted
131, barrier is kneaded screw channel 14, pin mixing section
141, pin is kneaded spiral shell rib 142, pin is kneaded screw channel
143, pin 15, the second barrier mixing section
16, guide part 17, screw rod fixed part
171, keyway 172, screw hole
18, interconnecting piece 181, transition flights
21, first step portion 22, second step portion
23, third stage portion.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 6, a kind of screw rod convenient for being plasticized and being kneaded, including the body of rod 10, the body of rod 10 is through HRC27-
31 is quenched, and the processing of outer surface via nitride, hardness HV is 950 to 1020.The body of rod 10 from the right side turn left successively include pan feeding section 11,
Melt zone 12, the first barrier mixing section 13, pin mixing section 14, the second barrier mixing section 15 and guide part 16, in which:
Pan feeding section spiral shell rib 111, the screw pitch of the pan feeding section spiral shell rib 111 are circumferentially provided with along the body of rod 10 in the pan feeding section 11
Equal and spiral shell rib groove depth is equal；The right end of the pan feeding section 11 is provided with screw rod fixed part 17, the screw rod fixed part 17
Outer diameter is less than the outer diameter of pan feeding section 11, and side is symmetrically recessed with keyway 171, the keyway before and after the periphery of the screw rod fixed part 17
171 inner wall is recessed with several screw holes 172 being axially distributed along the body of rod 10 inside.And the screw rod fixed part 17 and charging
Interconnecting piece 18 is provided between one section, the interconnecting piece 18 is concavely provided with transition flights 181.
The melt zone 12 includes the main spiral shell rib 121 of melt zone, melt zone pair spiral shell rib 122, melt zone solid slot 123 and melting
Section melt tank 124, the main spiral shell rib 121 of melt zone are to extend the left end for forming and extending to melt zone 12 by pan feeding section spiral shell rib 111,
The half circle gradual change of the right end of the melt zone pair spiral shell rib 122 connects the main spiral shell rib 121 of melt zone, the melt zone pair spiral shell
The end of the half circle gradual change connection main spiral shell rib 121 of melt zone of the left end of rib 122；
In the present embodiment, the melt zone 12 has one section 125 of melting and is integrally connected to two section 126 of melting, described
Aforementioned melt section main spiral shell rib 121 is set on one section 125 of melting, the main spiral shell rib of aforementioned melt section is set on two section 126 of the melting
121, melt zone pair spiral shell rib 122, melt zone solid slot 123 and melt zone melt tank 124.Wherein, one section 125 of the melting of slot
Deep the spiral shell rib groove depth of the pan feeding section spiral shell rib 111 is greater than the spiral groove depth of melt zone 12 from depth to shallow, realizes that molten plastic is solid
State and Liquid segregation, and accelerate the blanking velocity of plastic raw materials.
One section 125 of the outer right side without leave of the melting, which is turned left, to be gradually increased, the outer right side without leave that one section 125 of the melting turn left by
It gradually increases to constant.The melting connects the first barrier mixing section 13, first barrier by first step portion 21 for two section 126
Mixing section 13 is connected by 22 connecting pin mixing section 14 of second step portion, the pin mixing section 14 by third stage portion 23
Second barrier mixing section 15, the length of the pin mixing section 14 are greater than the length of the first barrier mixing section 13, and the first barrier is mixed
The length for refining section 13 is equal to the length of the second barrier mixing section 15, and the length of the pan feeding section 11 is greater than the length of pin mixing section 14
Degree, the length that one section 125 of melting are greater than the length of pan feeding section 11, and the length that two section 126 of the melting is greater than one section 125 of melting
Length.
First barrier mixing section 13 and the second barrier mixing section 15 ensure that the solid-state material not melted sufficiently obtains completely
Melt, improves the internal stress of the plasticizing effect of raw material, the uniformity of product tissue, product, also ensure the reasonable ruler of screw rod
It is very little.In the present embodiment, it is recessed on the first barrier mixing section 13 and the second barrier mixing section 15 parallel with axis or in 15
It spends to the barrier of 30 degree of angles and is kneaded screw channel 131；In the present embodiment, the barrier is kneaded the half quantity left side of screw channel 131
Milling is logical, the other half quantity the right milling that the barrier is kneaded screw channel 131 is logical, and, the barrier is kneaded the outer of 131 two sides of screw channel
Diameter is different, and the outer diameter of one side is butted on the outer diameter of the other side；Liquid melten gel is facilitated to flow between different barriers are kneaded screw channel 131.
Be kneaded spiral shell rib 141 along the circumferential pin that is provided with of the body of rod 10 on pin mixing section 14, the pin be kneaded spiral shell rib 141 in
The outer peripheral surface of pin mixing section 14 is formed with five circle pins and is kneaded screw channel 142, and every circle pin, which is kneaded on the surface of screw channel 142, to be arranged
There are three pin group, three pin groups are equally spaced along the hand of spiral that pin is kneaded spiral shell rib 141, and the pin group is by being in three
3 pins composition of angular or up-side down triangle arrangement, same circle pin are kneaded the pin arrangement in the adjacent pin group of screw channel 142
It is different, and, it is also different that adjacent turn pin is kneaded the pin arrangement in the pin group of screw channel 142.
143 one side of pin can smash solid material, destroy melt, upset the two-phase flow of solid and liquid, and
Stream is repeatedly separated, direction and VELOCITY DISTRIBUTION of the stream between barrel and screw rod are changed, keeps solid phase and liquid phase sufficiently mixed
It closes, increases the heat transfer area between solid phase and liquid phase, and certain resistance and fricting shearing are generated to material, make solid phase fusion；Separately
On the one hand be material is carried out repeated segmentation, shunting and increase the dispersibility of mixing to material, homogenizing and compound, make material
Every property it is consistent, reduce crystallization.
The administrative pin 143 of the pin group along 10 circumferential array of the body of rod, and, the administrative pin 143 of the pin group
The direction perpendicular along the hand of spiral for being kneaded screw channel 142 with pin arranges.In the present embodiment, the pin is kneaded screw channel
Pin 143 is corresponded on 142 surface and is recessed with pin mounting groove, and the pin 143 is tight in pin mounting groove；Pin
14336 radial cross-sectional shape be cylindrical, rectangular, diamond shape, ellipse or other may be implemented to carry out shearing cutting to melt
Shape, it is numerous to list herein.The left side of the body of rod 10, which is turned right, is recessed with screw fixing groove 101.
The utility model designing points are, if the pin by pin mixing section is distributed, can carry out to material
Tearing and disorientation, make material carry out repeated segmentation, shunting and increase the dispersibility of mixing to material, homogenizing and dose,
Also the fluctuation of screw rod longitudinal temperature and horizontal temperature difference are reduced, plasticizing quality is improved；Moreover, passing through the first barrier mixing section and second
Barrier mixing section can reduce frictional heat, so that the generation of burnt material and bubble is reduced, to improve yield；Meanwhile by by bar
Screw channel on body is set as from pan feeding section end end to melt zone successively from depth to shallow, convenient for accelerating the propulsion of material, improve plus
Work efficiency rate；And overall construction design is ingenious reasonable, is easily installed fixation, has preferable stability and reliability.
The above is only the utility model preferred embodiment, not appoints to the technical scope of the utility model
What is limited, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent variations
With modification, it is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of screw rod convenient for being plasticized and being kneaded, it is characterised in that: including the body of rod, the body of rod turn left from the right side successively include into
Expect section, melt zone, the first barrier mixing section, pin mixing section, the second barrier mixing section and guide part；
Circumferentially it is provided with pan feeding section spiral shell rib in the pan feeding section along the body of rod, the screw pitch of the pan feeding section spiral shell rib is equal and spiral shell rib groove depth
It spends equal；
The melt zone includes the main spiral shell rib of melt zone, melt zone pair spiral shell rib, melt zone solid slot and melt zone melt tank, melt zone
Main spiral shell rib is to extend the left end for forming and extending to melt zone by pan feeding section spiral shell rib, the right end of the melt zone pair spiral shell rib
Half circle gradual change connects the main spiral shell rib of melt zone, and the half circle gradual change connection of the left end of the melt zone pair spiral shell rib is molten
Melt the end of the main spiral shell rib of section；
Screen parallel with axis or in 15 degree to 30 degree angles is recessed on first barrier mixing section and the second barrier mixing section
Barrier is kneaded screw channel；
Pin is circumferentially provided with along the body of rod on pin mixing section and is kneaded spiral shell rib, and the pin is kneaded spiral shell rib in the outer of pin mixing section
Circumferential surface is formed with five circle pins and is kneaded screw channel, and every circle pin is kneaded setting on the surface of screw channel, and there are three pin group, three pins
Group is equally spaced along the hand of spiral that pin is kneaded spiral shell rib, arranged by triangular in shape or up-side down triangle 3 of the pin group
Pin composition, the administrative pin of the pin group along body of rod circumferential array, and, the administrative pin of the pin group along and pin
It is kneaded the perpendicular direction arrangement of the hand of spiral of screw channel.
2. according to claim 1 convenient for plasticizing and the screw rod being kneaded, it is characterised in that: the barrier is kneaded the one of screw channel
The milling of the half quantity left side is logical, the other half quantity the right milling that the barrier is kneaded screw channel is logical, and, the barrier is kneaded screw channel two sides
Outer diameter it is different, the outer diameter of one side is butted on the outer diameter of the other side.
3. according to claim 1 convenient for plasticizing and the screw rod being kneaded, it is characterised in that: the melt zone has melting one
Section and it is integrally connected to two sections of melting, one section of the melting is upper to be arranged the main spiral shell rib of aforementioned melt section, the upper setting of two sections of the melting
The main spiral shell rib of aforementioned melt section, melt zone pair spiral shell rib, melt zone solid slot and melt zone melt tank.
4. it is according to claim 3 convenient for plasticizing and be kneaded screw rod, it is characterised in that: it is described melting one section groove depth by
It shoals deeply, the spiral shell rib groove depth of the pan feeding section spiral shell rib is greater than the spiral groove depth of melt zone.
5. it is according to claim 3 convenient for plasticizing and be kneaded screw rod, it is characterised in that: it is described melting one section it is outer without leave
The right side, which is turned left, to be gradually increased, and the outer right side without leave of one section of the melting, which is turned left, to be gradually increased to constant.
6. according to claim 3 convenient for plasticizing and the screw rod being kneaded, it is characterised in that: two sections of the melting passes through first
Stage portion connects the first barrier mixing section, and the first barrier mixing section is described by second step portion connecting pin mixing section
Pin mixing section connects the second barrier mixing section by third stage portion, and the length of the pin mixing section is mixed greater than the first barrier
The length of section is refined, the length of the first barrier mixing section is equal to the length of the second barrier mixing section, and the length of the pan feeding section is greater than
The length of pin mixing section, the length of one section of melting are greater than the length of pan feeding section, and the length of two sections of the melting is greater than melting one
The length of section.
7. according to claim 1 convenient for plasticizing and the screw rod being kneaded, it is characterised in that: the right end of the pan feeding section is arranged
There is screw rod fixed part, the outer diameter of the screw rod fixed part is less than the outer diameter of pan feeding section, side before and after the periphery of the screw rod fixed part
It symmetrically is recessed with keyway, the inner wall of the keyway is recessed with several screw holes being axially distributed along the body of rod inside.
8. according to claim 5 convenient for plasticizing and the screw rod being kneaded, it is characterised in that: the screw rod fixed part and charging
Interconnecting piece is provided between one section, the interconnecting piece is concavely provided with transition flights.
9. according to claim 1 convenient for plasticizing and the screw rod being kneaded, it is characterised in that: the pin is kneaded the table of screw channel
Pin is corresponded on face and is recessed with pin mounting groove, and the pin is tight in pin mounting groove.
10. according to claim 1 convenient for plasticizing and the screw rod being kneaded, it is characterised in that: the left side of the body of rod is past
The right side is recessed with screw fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781608.6U CN208730290U (en) | 2018-05-24 | 2018-05-24 | Convenient for the screw rod for being plasticized and being kneaded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820781608.6U CN208730290U (en) | 2018-05-24 | 2018-05-24 | Convenient for the screw rod for being plasticized and being kneaded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208730290U true CN208730290U (en) | 2019-04-12 |
Family
ID=66022872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820781608.6U Expired - Fee Related CN208730290U (en) | 2018-05-24 | 2018-05-24 | Convenient for the screw rod for being plasticized and being kneaded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208730290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696268A (en) * | 2019-08-29 | 2020-01-17 | 中宇环行(大连)发展有限公司 | Intelligent extrusion-injection molding integrated machine |
-
2018
- 2018-05-24 CN CN201820781608.6U patent/CN208730290U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696268A (en) * | 2019-08-29 | 2020-01-17 | 中宇环行(大连)发展有限公司 | Intelligent extrusion-injection molding integrated machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 |