CN204936155U - Extruder Three-blade reflux spiral shell block - Google Patents
Extruder Three-blade reflux spiral shell block Download PDFInfo
- Publication number
- CN204936155U CN204936155U CN201520685114.4U CN201520685114U CN204936155U CN 204936155 U CN204936155 U CN 204936155U CN 201520685114 U CN201520685114 U CN 201520685114U CN 204936155 U CN204936155 U CN 204936155U
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- China
- Prior art keywords
- blade
- spiral shell
- shell block
- reflux
- extruder
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- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a kind of extruder Three-blade reflux spiral shell block, described spiral shell block includes the two pieces of spiral shell block assemblies (1) being superimposed and using, described spiral shell block assembly (1) center is provided with through hole (2) along its length, the inwall of described through hole (2) is provided with along its length many teeth groove (3), the outer wall of described spiral shell block assembly (1) is provided with blade one (4), blade two (5) and blade three (6), described blade one (4), blade two (5) and blade three (6) are arranged along the peripheral helical of spiral shell block assembly (1) outer wall, the outer wall of described spiral shell block assembly (1) is also provided with brace (1.1), described brace (1.1) is connected between blade two (5) and blade three (6), blade two (5), brace (1.1) and blade three (6) connect and compose reflux blade.The utility model relates to a kind of extruder Three-blade reflux spiral shell block, manufactures the product quality simple, maintenance cost is cheap high.
Description
Technical field
The utility model relates to a kind of spiral shell block, especially relates to a kind of reflux spiral shell block be applied on extruder, belongs to plastics machinery processing technique field.
Background technology
At present, extruder carries out the operations such as mixing, conveying by spiral shell block that screw rod is arranged to material, disclosed in Chinese patent ZL201310480234.6 " a kind of reciprocating single-bolt extruder ", it directly processes mixing spiral shell block 5a and conveying spiral shell block 5b on driving screw 5, and described mixing spiral shell block and conveying spiral shell block 5a, 5b are all formed in one with the mandrel of described driving screw 5; Adopt this integrated formed structure not only to add manufacture difficulty, improve into product cost; And the later stage because of wearing and tearing safeguard time, entirety can only replace, add working service cost;
In addition, the blade on conventional spiral shell block adopts the arrangement mode of consistent helix, thus is unfavorable for extending the reaction time of material in extruder, is unfavorable for the quality improving product.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and manufactures the high extruder Three-blade reflux spiral shell block of the product quality simple, maintenance cost is cheap.
The purpose of this utility model is achieved in that
A kind of extruder Three-blade reflux spiral shell block, described spiral shell block includes the two pieces of spiral shell block assemblies being superimposed and using, described spiral shell block assembly center is provided with through hole along its length, the inwall of described through hole is provided with many teeth groove along its length, the outer wall of described spiral shell block assembly is provided with blade one, blade two and blade three, described blade one, blade two and blade three arranged in parallel, described blade one, blade two and blade three are arranged along the peripheral helical of spiral shell block assembly outer wall, the outer wall of described spiral shell block assembly is also provided with brace, described brace is connected between blade two and blade three, blade two, brace and blade three connect and compose reflux blade.
A kind of extruder Three-blade reflux spiral shell block of the utility model, described blade one, blade two are connected with the outer wall arc transition of spiral shell block assembly with blade three.
A kind of extruder Three-blade reflux spiral shell block of the utility model, two pieces of spiral shell block assemblies formations combinationally use for a pair, and when after two pieces of spiral shell block assemblies superpositions, blade one is just to reflux blade.
A kind of extruder Three-blade reflux spiral shell block of the utility model, the outer wall of described spiral shell block assembly, blade one, blade two and blade three are coated with wear-resistant coating.
Compared with prior art, the beneficial effects of the utility model are:
When the utility model uses, directly spiral shell block is sleeved on screw rod by teeth groove, when wearing and tearing, safeguarding, change, only needs the spiral shell block taking off corresponding damage to carry out replacing, thus greatly reduce maintenance cost; Meanwhile, in production process, adopt sub-unit processing mode, and then row is assembled, and greatly reduces the difficulty of processing, is convenient to produce, improve quality and the yields of product;
Meanwhile, increase the reaction time of material in extruder by reflux blade, improve its reaction effect, be conducive to the quality improving product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the spiral shell block assembly of a kind of extruder Three-blade of the utility model reflux spiral shell block.
Fig. 2 is the sectional view of Fig. 1 of a kind of extruder Three-blade of the utility model reflux spiral shell block.
Fig. 3 is the expansion schematic diagram of Fig. 1 of a kind of extruder Three-blade of the utility model reflux spiral shell block.
Fig. 4 is the A-A partial sectional view of Fig. 1 of a kind of extruder Three-blade of the utility model reflux spiral shell block.
Fig. 5 is the B-B partial sectional view of Fig. 1 of a kind of extruder Three-blade of the utility model reflux spiral shell block.
Wherein:
Spiral shell block assembly 1, through hole 2, teeth groove 3, blade 1, blade 25, blade 36;
Brace 1.1.
Detailed description of the invention
See Fig. 1 ~ 5, a kind of extruder Three-blade reflux spiral shell block that the utility model relates to, described spiral shell block includes the two pieces of spiral shell block assemblies 1 being superimposed and using, described spiral shell block assembly 1 center is provided with through hole 2 along its length, the inwall of described through hole 2 is provided with many teeth groove 3 along its length, the outer wall of described spiral shell block assembly 1 is provided with blade 1, blade 25 and blade 36, described blade 1, blade 25 and blade 36 (and blade 1 arranged in parallel, blade 25 is connected with the outer wall arc transition of spiral shell block assembly 1 with blade 3 6), described blade 1, blade 25 and blade 36 are arranged along the peripheral helical of spiral shell block assembly 1 outer wall, the outer wall of described spiral shell block assembly 1 is also provided with brace 1.1, described brace 1.1 is connected between blade 25 and blade 36, thus make brace 1.1 and blade (blade 1, blade 25, blade 3 6) move towards different, blade 25, brace 1.1 and blade 36 connect and compose reflux blade, thus when making to rotate, material is subject to the obstruction of splitterr vanes, line speed before reducing, is conducive to the reaction time of improving material, improves the quality of product,
Preferably, during use, two pieces of spiral shell block assemblies 1 form a pair and combinationally use, and now, after two pieces of spiral shell block assemblies 1 superpose, blade 1 just to reflux blade, thus reduces the front line speed of material further, ensures its reaction time;
Preferably, for improving its abrasive resistance, the outer wall of described spiral shell block assembly 1, blade 1, blade 25 and blade 36 are coated with wear-resistant coating, to extend its service life.
In addition: it should be noted that above-mentioned detailed description of the invention is only a prioritization scheme of this patent, any change that those skilled in the art does according to above-mentioned design or improvement, all within the protection domain of this patent.
Claims (4)
1. an extruder Three-blade reflux spiral shell block, it is characterized in that: described spiral shell block includes the two pieces of spiral shell block assemblies (1) being superimposed and using, described spiral shell block assembly (1) center is provided with through hole (2) along its length, the inwall of described through hole (2) is provided with along its length many teeth groove (3), the outer wall of described spiral shell block assembly (1) is provided with blade one (4), blade two (5) and blade three (6), described blade one (4), blade two (5) and blade three (6) arranged in parallel, described blade one (4), blade two (5) and blade three (6) are arranged along the peripheral helical of spiral shell block assembly (1) outer wall, the outer wall of described spiral shell block assembly (1) is also provided with brace (1.1), described brace (1.1) is connected between blade two (5) and blade three (6), blade two (5), brace (1.1) and blade three (6) connect and compose reflux blade.
2. a kind of extruder Three-blade reflux spiral shell block as claimed in claim 1, is characterized in that: described blade one (4), blade two (5) are connected with the outer wall arc transition of blade three (6) with spiral shell block assembly (1).
3. a kind of extruder Three-blade reflux spiral shell block as claimed in claim 1, is characterized in that: two pieces of spiral shell block assembly (1) formations combinationally use for a pair, and when after two pieces of spiral shell block assemblies (1) superpositions, blade one (4) is just to reflux blade.
4. a kind of extruder Three-blade reflux spiral shell block as claimed in claim 1, is characterized in that: the outer wall of described spiral shell block assembly (1), blade one (4), blade two (5) and blade three (6) are coated with wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685114.4U CN204936155U (en) | 2015-09-07 | 2015-09-07 | Extruder Three-blade reflux spiral shell block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685114.4U CN204936155U (en) | 2015-09-07 | 2015-09-07 | Extruder Three-blade reflux spiral shell block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204936155U true CN204936155U (en) | 2016-01-06 |
Family
ID=55003608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520685114.4U Expired - Fee Related CN204936155U (en) | 2015-09-07 | 2015-09-07 | Extruder Three-blade reflux spiral shell block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204936155U (en) |
-
2015
- 2015-09-07 CN CN201520685114.4U patent/CN204936155U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160106 Termination date: 20200907 |