CN203527825U - Improved polyolefin tube extruder - Google Patents
Improved polyolefin tube extruder Download PDFInfo
- Publication number
- CN203527825U CN203527825U CN201320718189.9U CN201320718189U CN203527825U CN 203527825 U CN203527825 U CN 203527825U CN 201320718189 U CN201320718189 U CN 201320718189U CN 203527825 U CN203527825 U CN 203527825U
- Authority
- CN
- China
- Prior art keywords
- heat
- screw rod
- fuel tank
- machine barrel
- tube
- 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.)
- Expired - Lifetime
Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000002828 fuel tank Substances 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000001351 cycling effect Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 101100495270 Caenorhabditis elegans cdc-26 gene Proteins 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Images
Classifications
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an improved polyolefin tube extruder which structurally comprises a cylinder, wherein a baking funnel is arranged at the upper part of a feeding section of the cylinder; a screw rod is arranged inside the cylinder; a heat collecting cover is arranged on the outer side of the cylinder; the heat collecting cover is connected with the baking funnel through an air collecting tube; a fan and a heater are arranged in the connecting area of the baking funnel and the air collecting tube; a cold air inlet tube is further arranged on the air collecting tube; a first butterfly valve and a second butterfly valve are respectively arranged on the air collecting tube and the cold air inlet tube; cylinder cooling fans are arranged on the outer side of the heat collecting cover; a heat conduction oil tube is arranged inside the screw rod; the heat conduction oil tube is connected with a heat conduction oil circulation mechanism. By adopting the extruder, the defects of the prior art are changed, material plasticization is accelerated, the extrusion amount is increased, impurities and unnecessary screw rod cleaning caused by high temperature decomposition are avoided, and meanwhile the energy utilization rate is improved as a fed material is dried by using the waste heat for heating raw materials.
Description
Technical field
The utility model relates to a kind of polyolefin pipe production equipment, especially a kind of improved polyolefin pipe extruder.
Background technology
Extruder is to produce one of important equipment of polyolefin pipe, and the shearing by electrical heating and screw rod and material, machine barrel and material, material and material between separately, by raw material plasticizing forming.Common extruder exist in the course of the work energy consumption high, yield poorly, easily pyrolytic produces impurity and increases the shortcoming of maintenance cost.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of improved polyolefin pipe extruder, can solve the deficiencies in the prior art, by improving the internal structure of screw rod and the air-introduced machine air inducing pipeline system of drying material hopper, accelerated material plasticizing, improved extrusion capacity, avoid pyrolytic to produce impurity and unnecessary screw rod cleaning, utilized the waste heat of heating raw to carry out charging dry simultaneously, improved energy utilization rate.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of improved polyolefin pipe extruder, structure comprises machine barrel, machine barrel is divided into feeding section, compression section and metering section, on the top of feeding section, be provided with and dry material hopper, the inside of machine barrel is provided with screw rod, the arranged outside of described machine barrel has machine barrel sectional heating and collector mat, collector mat is connected to and is dried material hopper by duct set, at the join domain that dries material hopper and duct set, be provided with blower fan and heater, on duct set, be also provided with cold air blast pipe, on duct set and cold air blast pipe, be respectively arranged with the first butterfly valve and the second butterfly valve, the arranged outside of collector mat has machine barrel temperature-dropping fan, the inside of described screw rod is provided with heat-conducting oil pipes, and heat-conducting oil pipes is connected to conduction oil cycling mechanism.
As preferably, the structure of described conduction oil cycling mechanism comprises main fuel tank and auxiliary fuel tank, main fuel tank is connected by repairing manually-operated gate with auxiliary fuel tank, in main fuel tank and auxiliary fuel tank, be respectively arranged with agitator, electric heater and thermometric galvanic couple, the outlet of main fuel tank is provided with Heat-transfer Oil Pump, Heat-transfer Oil Pump is connected with tubular heat exchanger, on tubular heat exchanger, be provided with water inlet pipe, drainpipe and overflow pipe, on water inlet pipe, be provided with temperature control electromagnetic, on drainpipe, be provided with manual switch valve, the outlet of tubular heat exchanger connects oil inlet pipe, and oil return pipe is connected to main fuel tank.
As preferably, described heat-conducting oil pipes is fit into screw rod from described machine barrel feeding section one end.
As preferably, described heat-conducting oil pipes is fit into screw rod from described machine barrel metering section one end, and the junction of heat-conducting oil pipes and screw rod is provided with connection bearing, and connection bearing arranged outside has connection bearing support, and heat-conducting oil pipes enters screw rod by connection bearing support.
The beneficial effect that adopts technique scheme to bring is: the utility model by arranging heat-conducting oil pipes in screw rod; can supply screw surface heat by Quick; realize material plasticizing; reduce screw torque and shear energy consumption; protection reduction box; save electric energy, and avoid the screw surface material that shear heat causes to decompose.Main fuel tank is to screw rod fuel feeding, and the oil in main fuel tank carries out heat exchange in fuel tank outside by tubular heat exchanger and cooling water, to realize constant temperature.Oil in auxiliary fuel tank is electrified heating also, when continuous production need be added conduction oil, for avoiding oil temperature in screw rod to change, heats up in advance, after reaching requirement temperature, injects main fuel tank.After shutdown; also can the heat in machine barrel be derived by extraneous oil; realize rapidly the cooling of screw rod, machine barrel and intermediate material; solved traditional structure because of screw surface temperature high; the screw surface thickener problem that cooling causes slowly; significantly reduce the number of times of dismounting cleaning screw rod, avoided outer damage and affect the precision of screw rod.The residual heat collection that collector mat distributes machine barrel, is dried charging, improves energy utilization rate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of barrel section in embodiment 1.
Fig. 2 is the schematic diagram of barrel section in embodiment 2.
Fig. 3 is the schematic diagram of conduction oil cycling mechanism.
In figure: 1, machine barrel; 2, dry material hopper; 3, screw rod; 4, collector mat; 5, duct set; 6, blower fan; 7, heater; 8, cold air blast pipe; 9, the first butterfly valve; 10, the second butterfly valve; 11, machine barrel temperature-dropping fan; 12, heat-conducting oil pipes; 13, main fuel tank; 14, auxiliary fuel tank; 15, agitator; 16, electric heater; 17, thermometric galvanic couple; 18, Heat-transfer Oil Pump; 19, tubular heat exchanger; 20, water inlet pipe; 21, drainpipe; 22, overflow pipe; 23, temperature control electromagnetic; 24, manual switch valve; 25, oil inlet pipe; 26, oil return pipe; 27, connection bearing; 28, connection bearing support; 29, repairing manually-operated gate; 30, machine barrel sectional heating.
The specific embodiment
With reference to Fig. 1 and Fig. 3, the structure of the present embodiment comprises machine barrel 1, machine barrel 1 is divided into feeding section, compression section and metering section, on the top of feeding section, be provided with and dry material hopper 2, the inside of machine barrel 1 is provided with screw rod 3, the arranged outside of described machine barrel 1 has machine barrel sectional heating 30 and collector mat 4, collector mat 4 is connected to and is dried material hopper 2 by duct set 5, at the join domain that dries material hopper 2 and duct set 5, be provided with blower fan 6 and heater 7, on duct set 5, be also provided with cold air blast pipe 8, on duct set 5 and cold air blast pipe 8, be respectively arranged with the first butterfly valve 9 and the second butterfly valve 10, the arranged outside of collector mat 4 has machine barrel temperature-dropping fan 11, the inside of described screw rod 3 is provided with heat-conducting oil pipes 12, and heat-conducting oil pipes 12 is connected to conduction oil cycling mechanism.Described heat-conducting oil pipes 12 is fit into screw rod 3 from described machine barrel 1 feeding section one end.The structure of described conduction oil cycling mechanism comprises main fuel tank 13 and auxiliary fuel tank 14, main fuel tank 13 is connected by repairing manually-operated gate 29 with auxiliary fuel tank 14, in main fuel tank 13 and auxiliary fuel tank 14, be respectively arranged with agitator 15, electric heater 16 and thermometric galvanic couple 17, the outlet of main fuel tank 13 is provided with Heat-transfer Oil Pump 18, Heat-transfer Oil Pump 18 is connected with tubular heat exchanger 19, on tubular heat exchanger 19, be provided with water inlet pipe 20, drainpipe 21 and overflow pipe 22, on water inlet pipe 20, be provided with temperature control electromagnetic 23, on drainpipe 21, be provided with manual switch valve 24, the outlet of tubular heat exchanger 19 connects oil inlet pipe 25, oil return pipe 26 is connected to main fuel tank 13.
Screw rod 3 rear end feeding sections and the middle fluxing zone of the present embodiment are processed into hollow; logical heat-conducting oil pipes 12; conduction oil (by electric oil, oil is by circulating water, so that temperature adjustment) pressurizes by Special oil tank oil pump; so that Quick is for the surperficial heat of screw rod 3; realize material plasticizing, reduce screw torque and shear energy consumption, protection reduction box; save electric energy, and avoid the screw surface material that shear heat causes to decompose.
With reference to Fig. 2 and Fig. 3, the structure of the present embodiment comprises machine barrel 1, machine barrel 1 is divided into feeding section, compression section and metering section, on the top of feeding section, be provided with and dry material hopper 2, the inside of machine barrel 1 is provided with screw rod 3, the arranged outside of described machine barrel 1 has machine barrel sectional heating 30 and collector mat 4, collector mat 4 is connected to and is dried material hopper 2 by duct set 5, at the join domain that dries material hopper 2 and duct set 5, be provided with blower fan 6 and heater 7, on duct set 5, be also provided with cold air blast pipe 8, on duct set 5 and cold air blast pipe 8, be respectively arranged with the first butterfly valve 9 and the second butterfly valve 10, the arranged outside of collector mat 4 has machine barrel temperature-dropping fan 11, the inside of described screw rod 3 is provided with heat-conducting oil pipes 12, and heat-conducting oil pipes 12 is connected to conduction oil cycling mechanism.Described heat-conducting oil pipes 12 is fit into screw rod 3 from described machine barrel 1 metering section one end, heat-conducting oil pipes 12 is provided with connection bearing 27 with the junction of screw rod 3, connection bearing 27 arranged outside have connection bearing support 28, and heat-conducting oil pipes 12 enters screw rod 3 by connection bearing support 28.The structure of described conduction oil cycling mechanism comprises main fuel tank 13 and auxiliary fuel tank 14, main fuel tank 13 is connected by repairing manually-operated gate 29 with auxiliary fuel tank 14, in main fuel tank 13 and auxiliary fuel tank 14, be respectively arranged with agitator 15, electric heater 16 and thermometric galvanic couple 17, the outlet of main fuel tank 13 is provided with Heat-transfer Oil Pump 18, Heat-transfer Oil Pump 18 is connected with tubular heat exchanger 19, on tubular heat exchanger 19, be provided with water inlet pipe 20, drainpipe 21 and overflow pipe 22, on water inlet pipe 20, be provided with temperature control electromagnetic 23, on drainpipe 21, be provided with manual switch valve 24, the outlet of tubular heat exchanger 19 connects oil inlet pipe 25, oil return pipe 26 is connected to main fuel tank 13.
Screw rod 3 front end homogenizing zones and the middle fluxing zone of the present embodiment pass into conduction oil, and screw rod 3 heads are fixing with connection bearing support 28, logical heat-conducting oil pipes 12 in the middle of connection bearing support 28, this embodiment can realize the effect of embodiment 1, can also take homogenizing zone heat to fluxing zone, to heat oil temperature and suitably reduce, save the energy, and also can avoid in addition screw rod 3 to sweep hall because of the barrel that cantilever beam causes.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. an improved polyolefin pipe extruder, structure comprises machine barrel (1), machine barrel (1) is divided into feeding section, compression section and metering section, on the top of feeding section, be provided with and dry material hopper (2), the inside of machine barrel (1) is provided with screw rod (3), it is characterized in that: the arranged outside of described machine barrel (1) has machine barrel sectional heating (30) and collector mat (4), collector mat (4) is connected to and is dried material hopper (2) by duct set (5), at the join domain that dries material hopper (2) and duct set (5), be provided with blower fan (6) and heater (7), on duct set (5), be also provided with cold air blast pipe (8), on duct set (5) and cold air blast pipe (8), be respectively arranged with the first butterfly valve (9) and the second butterfly valve (10), the arranged outside of collector mat (4) has machine barrel temperature-dropping fan (11), the inside of described screw rod (3) is provided with heat-conducting oil pipes (12), and heat-conducting oil pipes (12) is connected to conduction oil cycling mechanism.
2. improved polyolefin pipe extruder according to claim 1, it is characterized in that: the structure of described conduction oil cycling mechanism comprises main fuel tank (13) and auxiliary fuel tank (14), main fuel tank (13) is connected by repairing manually-operated gate (29) with auxiliary fuel tank (14), in main fuel tank (13) and auxiliary fuel tank (14), be respectively arranged with agitator (15), electric heater (16) and thermometric galvanic couple (17), the outlet of main fuel tank (13) is provided with Heat-transfer Oil Pump (18), Heat-transfer Oil Pump (18) is connected with tubular heat exchanger (19), on tubular heat exchanger (19), be provided with water inlet pipe (20), drainpipe (21) and overflow pipe (22), on water inlet pipe (20), be provided with temperature control electromagnetic (23), on drainpipe (21), be provided with manual switch valve (24), the outlet of tubular heat exchanger (19) connects oil inlet pipe (25), oil return pipe (26) is connected to main fuel tank (13).
3. improved polyolefin pipe extruder according to claim 1 and 2, is characterized in that: described heat-conducting oil pipes (12) is fit into screw rod (3) from described machine barrel (1) feeding section one end.
4. improved polyolefin pipe extruder according to claim 1 and 2, it is characterized in that: described heat-conducting oil pipes (12) is fit into screw rod (3) from described machine barrel (1) metering section one end, heat-conducting oil pipes (12) is provided with connection bearing (27) with the junction of screw rod (3), connection bearing (27) arranged outside has connection bearing support (28), and heat-conducting oil pipes (12) enters screw rod (3) by connection bearing support (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718189.9U CN203527825U (en) | 2013-11-12 | 2013-11-12 | Improved polyolefin tube extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718189.9U CN203527825U (en) | 2013-11-12 | 2013-11-12 | Improved polyolefin tube extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203527825U true CN203527825U (en) | 2014-04-09 |
Family
ID=50414082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320718189.9U Expired - Lifetime CN203527825U (en) | 2013-11-12 | 2013-11-12 | Improved polyolefin tube extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203527825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626497B (en) * | 2013-11-12 | 2017-03-15 | 唐山长虹塑料制品有限公司 | A kind of improved polyolefin pipe extruder |
| CN111186115A (en) * | 2020-01-10 | 2020-05-22 | 韩冰 | Extruder for plastic processing |
| CN112476837A (en) * | 2020-12-04 | 2021-03-12 | 河北来利翼腾塑胶制造有限公司 | PVC raw materials adds heat-pressure and melts device |
-
2013
- 2013-11-12 CN CN201320718189.9U patent/CN203527825U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626497B (en) * | 2013-11-12 | 2017-03-15 | 唐山长虹塑料制品有限公司 | A kind of improved polyolefin pipe extruder |
| CN111186115A (en) * | 2020-01-10 | 2020-05-22 | 韩冰 | Extruder for plastic processing |
| CN112476837A (en) * | 2020-12-04 | 2021-03-12 | 河北来利翼腾塑胶制造有限公司 | PVC raw materials adds heat-pressure and melts device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |