CN108481705A - A kind of extruder multisection type combined barrel and preparation method thereof - Google Patents
A kind of extruder multisection type combined barrel and preparation method thereof Download PDFInfo
- Publication number
- CN108481705A CN108481705A CN201810583699.7A CN201810583699A CN108481705A CN 108481705 A CN108481705 A CN 108481705A CN 201810583699 A CN201810583699 A CN 201810583699A CN 108481705 A CN108481705 A CN 108481705A
- Authority
- CN
- China
- Prior art keywords
- bushing
- seperated
- multisection type
- cylinder
- type combined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000000956 alloy Substances 0.000 claims description 18
- 230000004992 fission Effects 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 9
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 8
- 239000010962 carbon steel Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000004663 powder metallurgy Methods 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010094 polymer processing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of extruder multisection type combined barrel and preparation method thereof, which includes cylinder and is set to the neck bush of cylinder inboard wall, and neck bush is made of the seperated bushing of three sections of different wear-resisting properties.And each section of seperated bushing between each other and is connected as an entirety by way of powder metallurgy with cylinder, and each section of seperated bushing is made to be not to fall off in stress, so as to play the wear-resisting property of each section of seperated bushing whole.The multisection type combined barrel of the present invention; cylinder is subjected to multisection type division by different wear levels, different wear-resistant materials is used in different eroded areas, reaches optimum state to reach entire cylinder and production line service life; ensure minimum machine stop times, reduces whole use cost.
Description
Technical field
The present invention relates to technical field of plastic more particularly to a kind of extruder multisection type combined barrel and its preparations
Method.
Background technology
In recent years, China has become plastics machinery big producer of the world, development speed and created major economic indicators
It comes out at the top in 194 industries of mechanical industry.Along with the continuous expansion of plastics machinery application field in recent years, such as eat
The emerging application field such as product, drug, wherein especially being risen with the yield of plastic extrusion machinery and sales volume very fast.Currently, China
Double screw extruder is the important equipment of plastic blend processing, is widely used in waved plastic pipe production and processing.
And high molecular material will be used wider and wider in daily life and all types of industries is general, kind is also increasingly
It is more.Due to various additives such as glass fibre, carbon fiber, calcium carbonate, kaolin, red soil, the titanium dioxide being added in macromolecule
The modified materials such as silicon.On the one hand high molecular chemical characters are improved, it is especially interior also exacerbates twin-screw extrusion machinery but then
The abrasion and corrosion of bushing, and replace these components and need to spend the time of one maintenance down of a large amount of human and material resources, seriously
Production efficiency is affected, the cost that equipment uses is increased.
Therefore, the extruder barrel and bushing of prior art production have been unable to meet Polymer Processing enterprise production polymer
The technical need of raw material, it is necessary to be improved.
Invention content
The technical problem to be solved by the present invention is in view of the above-mentioned drawbacks in the prior art, propose that it is more that a kind of extruder is used
Segmentation combined barrel and preparation method thereof.
The present invention develops multisection type combined barrel according to plastic industry using characteristic, which can basis
The specific abrasion condition of customer equipment carries out local strengthening for the serious position of barrel wear, uses the best material of wear-resisting property；
For the relatively low common wear-resistant material of household wear position use cost.The whole service life of cylinder can be greatly improved
Also cost caused by integral replacing high abrasion resisting material capable of being reduced to the greatest extent is substantially improved, and ensures the long-term steady of whole production line
Fixed operation, provides the cylinder accessory of most cost performance.
To achieve the above object, the present invention uses following technical scheme：
The first aspect of the invention is to provide a kind of extruder multisection type combined barrel, including cylinder and is set to institute
The neck bush of cylinder inboard wall is stated, the neck bush is made of the seperated bushing of at least two sections different wear-resisting properties.
Further, in the multisection type combined barrel, the material of the fission bushing is selected from nickel-base alloy, cobalt-based
It is one or more in alloy, ferrous alloy, carbon steel.
Further, in the extruder in multisection type combined barrel, the neck bush is by three sections of different wearabilities
The seperated bushing composition of energy respectively includes dividing from the seperated bushing of right first set gradually in a left side, the second seperated bushing and third
Body bushing.
It is further preferred that in the extruder in multisection type combined barrel, the hardness of the described first seperated bushing
Less than the hardness of the third fission bushing, the hardness of the third fission bushing is less than the hardness of the described second seperated bushing.
It is further preferred that in the extruder in multisection type combined barrel, the described first seperated bushing is carbon
Steel material；The second seperated bushing and be cobalt-base alloys material；The third fission bushing is ferrous alloy material.
Further, in the extruder in multisection type combined barrel, the thickness of each seperated bushing is identical, thick
Degree is 3-8mm.
Further, in the extruder in multisection type combined barrel, the cylinder is carbon steel material.
The second aspect of the invention is to provide a kind of preparation method of the extruder multisection type combined barrel, tool
Body includes the following steps：
(1) cylinder and the internal model concentric with the endoporus of the cylinder are respectively washed drying；
(2) inner mould surface after the drying is brushed one layer of high-temperature mold lubricant and is dried；
(3) alloy powder of each seperated bushing is loaded into the mold cavity being made of cylinder and internal model simultaneously jolt ramming successively；
(4) mold of the above-mentioned alloy powder for filling each seperated bushing is sent into vacuum sintering furnace, vacuumizes, makes stove
Interior vacuum degree is less than 10Pa, and 1020-1300 DEG C of progress vacuum-sintering, cooling, cooling are warming up to by the way of gradient increased temperature；
(5) it after keeping the temperature, comes out of the stove after workpiece is cooled to room temperature, removing internal model is to get multisection type combined barrel.
Further, in the extruder in the preparation method of multisection type combined barrel, cylinder described in step (1)
The drying temperature of matrix and internal model is 180-200 DEG C, drying temperature 10-15min
Further, in the extruder in the preparation method of multisection type combined barrel, described in the step (4)
The sintering process of gradient increased temperature is：It first is raised to 700-850 DEG C with the heating rate of 5-10 DEG C/min, keeps the temperature 30-60min, then with
The heating rate of 10-15 DEG C/min is raised to 1020-1300 DEG C, and 1020-1300 DEG C keeps the temperature 30-120 minutes, with 10-20 DEG C/min
Cooling rate be down to 800-900 DEG C, cool to 200 DEG C or less with the furnace and come out of the stove.
The present invention is had the following technical effect that compared with prior art using above-mentioned technical proposal：
The extruder multisection type combined barrel of the present invention matches best cost performance by cylinder service condition in different parts
Wear-resistant material bushing, and cylinder is subjected to multisection type division by different wear levels, it is most resistance in the local use of abrasion most serious
Material is ground, common wear-resistant material is used at household wear position, common material is used being not easy abrading section, to reach entire cylinder
Body and production line service life reach optimum state, it is ensured that minimum machine stop times reduce whole use cost；And each section of seperated bushing
Between each other and it is connected as an entirety with cylinder by way of powder metallurgy, makes each section of seperated bushing and cylinder matrix jail
Admittedly be combined together, make each section of seperated bushing be not to fall off in stress, it is complete so as to play each section of seperated bushing
The wear-resisting property in portion.
Description of the drawings
Fig. 1 is a kind of cross section structure schematic diagram of extruder multisection type combined barrel of the embodiment of the present invention；
Wherein, each reference numeral is：
10- cylinders, 20- neck bush, the seperated bushings of 21- first, the seperated bushings of 22- second, 23- third fission bushings.
Specific implementation mode
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
As shown in Figure 1, the present embodiment provides firstly a kind of extruder multisection type combined barrel, including cylinder 10 and set
It is placed in the neck bush 20 of 10 inner wall of the cylinder, the neck bush 20 is made of the seperated bushing of three sections of different wear-resisting properties, institute
It is carbon steel material to state cylinder 10.
In the present embodiment, the neck bush 20 is made of the seperated bushing of three sections of different wear-resisting properties, is respectively included from left
And right first the 21, the second seperated bushing 22 of fission bushing set gradually and third fission bushing 23.And the first fission lining
The hardness of set 21 is less than the hardness of the third fission bushing 23, and the hardness of the third fission bushing 23 is less than described second point
The hardness of body bushing 22 not only can guarantee the service life of cylinder and production line, but also can reduce cost to greatest extent, realize best
Cost performance.As an optimal technical scheme, the described first seperated bushing 21 is carbon steel material；Described second 22 He of seperated bushing
For cobalt-base alloys material；The third fission bushing 23 is ferrous alloy material.
On the basis of above-mentioned technical proposal, the thickness of each seperated bushing is identical, thickness 3-8mm；Preferably, respectively
The thickness of the fission bushing is 4-7mm；Preferably, the thickness of each seperated bushing is 5.5mm.
Another aspect of the present invention additionally provides a kind of preparation method of the extruder multisection type combined barrel, specifically
Include the following steps：
(1) cylinder 10 and the internal model concentric with the endoporus of the cylinder 10 are respectively washed drying；
(2) inner mould surface after the drying is brushed one layer of high-temperature mold lubricant and is dried；
(3) alloy powder of each seperated bushing is loaded into the mold cavity being made of cylinder 10 and internal model and is shaken successively
It is real；
(4) mold of the above-mentioned alloy powder for filling each seperated bushing is sent into vacuum sintering furnace, vacuumizes, makes stove
Interior vacuum degree is less than 10Pa, and 1020-1300 DEG C of progress vacuum-sintering, cooling, cooling are warming up to by the way of gradient increased temperature；
(5) it after keeping the temperature, comes out of the stove after workpiece is cooled to room temperature, removing internal model is to get multisection type combined barrel.
On the basis of above-mentioned technical proposal, the drying temperature of cylinder matrix and internal model described in step (1) is 180-200
DEG C, drying temperature 10-15min
On the basis of above-mentioned technical proposal, the sintering process of gradient increased temperature described in the step (4) is：First with 10
DEG C/heating rate of min is raised to 850 DEG C, 60min is kept the temperature, then 1280 DEG C are raised to the heating rate of 12 DEG C/min, at 1280 DEG C
Heat preservation 80 minutes, then 860 DEG C are down to the cooling rate of 20 DEG C/min, it cools to 200 DEG C or less with the furnace and comes out of the stove；
Specific embodiments of the present invention are described in detail above, but it is intended only as example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
It substitutes also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by impartial conversion and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of extruder multisection type combined barrel, including cylinder (10) and the neck bush for being set to the cylinder (10) inner wall
(20), which is characterized in that the neck bush (20) is made of the seperated bushing of at least two sections different wear-resisting properties.
2. multisection type combined barrel according to claim 1, which is characterized in that the material of the fission bushing is selected from Ni-based
One or more of alloy, cobalt-base alloys, ferrous alloy, carbon steel.
3. extruder according to claim 1 multisection type combined barrel, which is characterized in that the neck bush (20) is by three
The seperated bushing of Duan Butong wear-resisting properties forms, and respectively includes from the seperated bushing (21) of right first set gradually in a left side, second
Seperated bushing (22) and third fission bushing (23).
4. extruder according to claim 3 multisection type combined barrel, which is characterized in that the described first seperated bushing
(21) hardness is less than the hardness of the third fission bushing (23), and the hardness of the third fission bushing (23) is less than described the
The hardness of diad bushing (22).
5. extruder according to claim 4 multisection type combined barrel, which is characterized in that the described first seperated bushing
(21) it is carbon steel material；The second seperated bushing (22) and be cobalt-base alloys material；The third fission bushing (23) is iron
Based alloy material.
6. extruder according to claim 1 multisection type combined barrel, which is characterized in that the thickness of each seperated bushing
Spend identical, thickness 3-8mm.
7. extruder according to claim 1 multisection type combined barrel, which is characterized in that the cylinder (10) is carbon steel
Material.
8. a kind of preparation method of such as claim 1-7 any one of them extruder multisection type combined barrel, feature exist
In, including step：
(1) cylinder (10) and the internal model concentric with the endoporus of the cylinder (10) are respectively washed drying；
(2) inner mould surface after the drying is brushed one layer of high-temperature mold lubricant and is dried；
(3) alloy powder of each seperated bushing is loaded into simultaneously jolt ramming in the mold cavity being made of cylinder (10) and internal model successively；
(4) mold of the above-mentioned alloy powder for filling each seperated bushing is sent into vacuum sintering furnace, is vacuumized, made true in stove
Reciprocal of duty cycle is less than 10Pa, and 1020-1300 DEG C of progress vacuum-sintering, cooling, cooling are warming up to by the way of gradient increased temperature；
(5) it after keeping the temperature, comes out of the stove after workpiece is cooled to room temperature, removing internal model is to get segmentation combined barrel.
9. extruder according to claim 8 multisection type combined barrel, which is characterized in that cylinder described in step (1)
The drying temperature of matrix and internal model is 180-200 DEG C, drying temperature 10-15min.
10. extruder according to claim 8 multisection type combined barrel, which is characterized in that described in the step (4)
The sintering process of gradient increased temperature is：It first is raised to 700-850 DEG C with the heating rate of 5-10 DEG C/min, keeps the temperature 30-60min, then with
The heating rate of 10-15 DEG C/min is raised to 1020-1300 DEG C, and 1020-1300 DEG C keeps the temperature 30-120 minutes, with 10-20 DEG C/min
Cooling rate be down to 800-900 DEG C, cool to 200 DEG C or less with the furnace and come out of the stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583699.7A CN108481705A (en) | 2018-06-08 | 2018-06-08 | A kind of extruder multisection type combined barrel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583699.7A CN108481705A (en) | 2018-06-08 | 2018-06-08 | A kind of extruder multisection type combined barrel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108481705A true CN108481705A (en) | 2018-09-04 |
Family
ID=63342098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810583699.7A Pending CN108481705A (en) | 2018-06-08 | 2018-06-08 | A kind of extruder multisection type combined barrel and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108481705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715883A (en) * | 2019-03-21 | 2020-09-29 | 南京科亚化工成套装备有限公司 | Preparation method of extruder barrel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02178013A (en) * | 1988-12-28 | 1990-07-11 | Sumitomo Heavy Ind Ltd | Bimetallic cylinder for plastic molder |
| JPH06238725A (en) * | 1993-02-22 | 1994-08-30 | Japan Steel Works Ltd:The | Composite hollow member having optimized material at each position and manufacture of the same |
| CN208867533U (en) * | 2018-06-08 | 2019-05-17 | 苏州艾盾合金材料有限公司 | A kind of extruder multisection type combined barrel |
-
2018
- 2018-06-08 CN CN201810583699.7A patent/CN108481705A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02178013A (en) * | 1988-12-28 | 1990-07-11 | Sumitomo Heavy Ind Ltd | Bimetallic cylinder for plastic molder |
| JPH06238725A (en) * | 1993-02-22 | 1994-08-30 | Japan Steel Works Ltd:The | Composite hollow member having optimized material at each position and manufacture of the same |
| CN208867533U (en) * | 2018-06-08 | 2019-05-17 | 苏州艾盾合金材料有限公司 | A kind of extruder multisection type combined barrel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715883A (en) * | 2019-03-21 | 2020-09-29 | 南京科亚化工成套装备有限公司 | Preparation method of extruder barrel |
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Application publication date: 20180904 |
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