CN205310761U - Sectional type is screw rod for double screw extruder - Google Patents
Sectional type is screw rod for double screw extruder Download PDFInfo
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- CN205310761U CN205310761U CN201620013062.0U CN201620013062U CN205310761U CN 205310761 U CN205310761 U CN 205310761U CN 201620013062 U CN201620013062 U CN 201620013062U CN 205310761 U CN205310761 U CN 205310761U
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Abstract
The utility model provides a sectional type is screw rod for double screw extruder, the tool comprises a scre, the screw rod in be equipped with heating element, the screw rod including broken section and extrusion section, broken section be the integrated into one piece structure with the extrusion section, broken section including a plurality of cams that distribute alternately, be equipped with crushing assembly between two adjacent cams, the extrusion section on be equipped with extrusion screw thread, extrusion screw thread's the surface of both sides be equipped with pressing means, broken section on be equipped with the fixing base that is used for clamping screw. The utility model discloses can carry out the breakage to the large granule material, the extrusion is abundant, and the product inner structure texture of preparation is more even, and the product that obtains has higher mechanical strength.
Description
Technical field
This utility model belongs to mechanical equipment technical field, relates to dual-screw-stem machine, especially relates to a kind of stagewise double-screw extruder screw.
Background technology
Double screw extruder is mainly used in extruding the thermoplastics such as soft, PVC-U, polyethylene, can process multiple plastic, such as blown film, squeezes pipe, pressing plate, hot candied band etc., also can be used for melt pelletization. Plastic extruder advanced design, quality is high, plastifies, and energy consumption is low, adopts Involutes Gears Transmission, has noise low, and smooth running, bearing capacity is big. But the screw rod of the double screw extruder of prior art does not possess crushing function, when material exists the material of larger particles, cannot be fully broken to the turnover of oarse-grained material, bigger space is there is between two screw rods during extruding, the extruding of material is abundant not, interiors of products quality is uneven, and the intensity of the product prepared is relatively low.
Summary of the invention
The purpose of this utility model is for the problems referred to above, it is provided that a kind of stagewise double-screw extruder screw, it is possible to large granular materials is crushed, and fully, the interiors of products structure quality of preparation is more uniform, and the product obtained has higher mechanical strength in extruding.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: this stagewise double-screw extruder screw, including screw rod, it is provided with heating element heater in described screw rod, described screw rod includes reduction stage and extruded segment, described reduction stage and extruded segment are formed in one structure, described reduction stage includes multiple cam distributed alternately, it is provided with disruption elements between adjacent two cams, described extruded segment is provided with thread-rolling screw, the surface of the both sides of described thread-rolling screw is provided with compression assemblies, described reduction stage is provided with the fixing seat for standing screw.
In above-mentioned stagewise double-screw extruder screw, being provided with through the through hole of screw rod in described screw rod, described heating element heater is arranged in through hole.
In above-mentioned stagewise double-screw extruder screw, being provided with bearing in described fixing seat, described heating element heater one end is fixing with bearing to be connected, and the other end of heating element heater is positioned at through hole.
In above-mentioned stagewise double-screw extruder screw, described disruption elements includes the dentation thing being arranged between cam, the top of described dentation thing is cone, and described compression assemblies includes tight distribution in the hemispherical projections of thread-rolling screw both sides.
In above-mentioned stagewise double-screw extruder screw, described heating element heater for adding heat pipe, the described length length be more than or equal to screw rod adding heat pipe, add that one end of heat pipe is fixing with the bearing in fixing seat to be connected.
In above-mentioned stagewise double-screw extruder screw, described fixing seat outer surface is provided with the central axis circular array of the some positioning strips being easy to standing screw, described positioning strip and fixing seat and is distributed on fixing seat.
Compared with prior art, the utility model has the advantage of:
1, it is provided with heating element heater in screw rod, it is possible to the material of screw surface is carried out limit heating edge extruding, it is ensured that material is in, when extruding, the flexible state that can be easily extruded, and reduces the abrasion of screw rod, makes the extruding of material more uniformly, fully simultaneously;
2, the bulky grain in material can fully be crushed by the cam on reduction stage and disruption elements so that can being better extruded of material;
3, extruded segment is provided with thread-rolling screw, and the surface of the both sides of thread-rolling screw is provided with compression assemblies so that the gap between two screw rods worked in coordination is less, and rolling of material is more abundant, it is ensured that interiors of products structure is homogeneous.
Accompanying drawing explanation
Fig. 1 is the front view of the stagewise double-screw extruder screw that this utility model provides;
Fig. 2 is the left view of the stagewise double-screw extruder screw that this utility model provides.
In figure, screw rod 1, heating element heater 2, reduction stage 3, extruded segment 4, cam 31, disruption elements 32, thread-rolling screw 41, compression assemblies 42, fixing seat 5, bearing 51, dentation thing 32a, hemispherical projections 42a, positioning strip 52.
Detailed description of the invention
As shown in Figure 1 and Figure 2, stagewise double-screw extruder screw in this programme, including screw rod 1, heating element heater 2 it is provided with in screw rod 1, screw rod 1 includes reduction stage 3 and extruded segment 4, reduction stage 3 and extruded segment 4 are formed in one structure, reduction stage 3 include multiple cam 31 distributed alternately, it is provided with disruption elements 32 between adjacent two cams 31, extruded segment 4 is provided with thread-rolling screw 41, the surface of the both sides of thread-rolling screw 41 is provided with compression assemblies 42, and reduction stage 3 is provided with the fixing seat 5 for standing screw 1. In this programme, the heating element heater 2 in screw rod can guarantee that material is in, when extruding, the flexible state that can be easily extruded, and reduces the abrasion of screw rod, makes the extruding of material more uniformly, fully simultaneously; Bulky grain in material can fully be crushed by cam 31 and disruption elements 32 on reduction stage 3 so that can being better extruded of material; Compression assemblies 42 makes the gap between two screw rods worked in coordination 1 less, and rolling of material is more abundant, it is ensured that interiors of products structure is homogeneous.
Specifically, being provided with through the through hole of screw rod 1 in screw rod 1, heating element heater 2 is arranged in through hole. Being provided with bearing 51 in fixing seat 5, heating element heater 2 one end is fixing with bearing 51 to be connected, and the other end of heating element heater 2 is positioned at through hole. When screw rod 1 rotates, heating element heater 2 can remain stationary state.
Disruption elements 32 includes the dentation thing 32a being arranged between cam 31, and the top of dentation thing 32a is cone, and compression assemblies 42 includes tight distribution in the hemispherical projections 42a of thread-rolling screw 41 both sides.
Saying further, heating element heater 2, for adding heat pipe, adds the length length be more than or equal to screw rod 1 of heat pipe, adds that one end of heat pipe is fixing with the bearing 51 in fixing seat 5 to be connected.
Fixing seat 5 outer surface is provided with the some positioning strips 52 being easy to standing screw 1, and the central axis circular array of positioning strip 52 and fixing seat 5 is distributed on fixing seat 5, and the quantity of positioning strip 52 is 2～12, it is simple to the fixed installation of screw rod 1.
Operation principle: the heating element heater 2 in screw rod can guarantee that material is in, when extruding, the flexible state that can be easily extruded, and reduces the abrasion of screw rod, makes the extruding of material more uniformly, fully simultaneously; Bulky grain in material can fully be crushed by cam 31 and disruption elements 32 on reduction stage 3 so that can being better extruded of material; Compression assemblies 42 makes the gap between two screw rods worked in coordination 1 less, and rolling of material is more abundant, it is ensured that interiors of products structure is homogeneous. Heating element heater 2 one end is fixing with bearing 51 to be connected, and the other end of heating element heater 2 is positioned at through hole. When screw rod 1 rotates, heating element heater 2 can remain stationary state. Fixing seat 5 outer surface is provided with the some positioning strips 52 being easy to standing screw 1, it is simple to the fixed installation of screw rod 1.
Specific embodiment described herein is only to this utility model spirit explanation for example. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount the scope that appended claims is defined.
Although more employing the terms such as screw rod 1, heating element heater 2, reduction stage 3, extruded segment 4, cam 31, disruption elements 32, thread-rolling screw 41, compression assemblies 42, fixing seat 5, bearing 51, dentation thing 32a, hemispherical projections 42a, positioning strip 52 herein, but it is not precluded from using the probability of other term. Using these terms to be only used to describe and explain essence of the present utility model more easily, it is all contrary with this utility model spirit for being construed as any additional restriction.
Claims (6)
1. a stagewise double-screw extruder screw, including screw rod (1), it is characterized in that, it is provided with heating element heater (2) in described screw rod (1), described screw rod (1) includes reduction stage (3) and extruded segment (4), described reduction stage (3) and extruded segment (4) are formed in one structure, described reduction stage (3) includes multiple cam (31) distributed alternately, it is provided with disruption elements (32) between adjacent two cams (31), described extruded segment (4) is provided with thread-rolling screw (41), the surface of the both sides of described thread-rolling screw (41) is provided with compression assemblies (42), described reduction stage (3) is provided with the fixing seat (5) for standing screw (1).
2. stagewise double-screw extruder screw according to claim 1, it is characterised in that: being provided with through the through hole of screw rod (1) in described screw rod (1), described heating element heater (2) is arranged in through hole.
3. stagewise double-screw extruder screw according to claim 2, it is characterized in that: in described fixing seat (5), bearing (51) is installed, described heating element heater (2) one end is fixing with bearing (51) to be connected, and the other end of heating element heater (2) is positioned at through hole.
4. stagewise double-screw extruder screw as claimed in any of claims 1 to 3, it is characterized in that: described disruption elements (32) includes the dentation thing (32a) being arranged between cam (31), the top of described dentation thing (32a) is cone, and described compression assemblies (42) includes tight distribution in the hemispherical projections (42a) of thread-rolling screw (41) both sides.
5. stagewise double-screw extruder screw according to claim 4, it is characterized in that: described heating element heater (2) is for adding heat pipe, the described length adding heat pipe be more than or equal to the length of screw rod (1), adds that one end of heat pipe is fixing with the bearing (51) in fixing seat (5) to be connected.
6. stagewise double-screw extruder screw according to claim 5, it is characterized in that: described fixing seat (5) outer surface is provided with the central axis circular array of the some positioning strips (52) being easy to standing screw (1), described positioning strip (52) and fixing seat (5) and is distributed on fixing seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620013062.0U CN205310761U (en) | 2016-01-05 | 2016-01-05 | Sectional type is screw rod for double screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620013062.0U CN205310761U (en) | 2016-01-05 | 2016-01-05 | Sectional type is screw rod for double screw extruder |
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| Publication Number | Publication Date |
|---|---|
| CN205310761U true CN205310761U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620013062.0U Active CN205310761U (en) | 2016-01-05 | 2016-01-05 | Sectional type is screw rod for double screw extruder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108329513A (en) * | 2018-03-13 | 2018-07-27 | 南通回力橡胶有限公司 | A kind of automatic processing extrusion equipment for rubber regeneration |
| CN109228219A (en) * | 2018-09-11 | 2019-01-18 | 安徽捷诚包装制品有限公司 | A kind of the extrusion blown film device and its working method of PE protective film |
-
2016
- 2016-01-05 CN CN201620013062.0U patent/CN205310761U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108329513A (en) * | 2018-03-13 | 2018-07-27 | 南通回力橡胶有限公司 | A kind of automatic processing extrusion equipment for rubber regeneration |
| CN108329513B (en) * | 2018-03-13 | 2023-12-15 | 南通回力橡胶有限公司 | Automatic processing extrusion equipment for rubber regeneration |
| CN109228219A (en) * | 2018-09-11 | 2019-01-18 | 安徽捷诚包装制品有限公司 | A kind of the extrusion blown film device and its working method of PE protective film |
| CN109228219B (en) * | 2018-09-11 | 2020-09-01 | 安徽捷诚包装制品有限公司 | Extrusion film blowing device for PE (polyethylene) protective film and working method thereof |
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