CN204547032U - A kind of plastic extruder heating system - Google Patents
A kind of plastic extruder heating system Download PDFInfo
- Publication number
- CN204547032U CN204547032U CN201520245552.9U CN201520245552U CN204547032U CN 204547032 U CN204547032 U CN 204547032U CN 201520245552 U CN201520245552 U CN 201520245552U CN 204547032 U CN204547032 U CN 204547032U
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- constant temperature
- heated
- temperature unit
- spacer
- cold water
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Abstract
The utility model discloses a kind of plastic extruder heating system, comprise extruded tube, extruded tube outside is provided with multiple separate heated at constant temperature unit, heated at constant temperature unit is equidistantly separated successively by the spacer being fixed on extruded tube outside, heated at constant temperature unit comprises that cold water copper pipe, ring-type support, insulating sleeve, the soak combined successively are cotton, high temperature resistant coil and magnetic conduction sleeve, cold water copper pipe is arranged on ring-type and supports inner, ring-type supports and is cemented on spacer, is provided with the pipeline being communicated with cold water copper pipe in spacer; The utility model is three groups of heated at constant temperature unit in extruded tube outer setting, three groups of heated at constant temperature unit control heating by different heating control apparatus respectively, the feeding section of realization in material extrusion process, compression section, homogenizing zone carry out different temperature adjustings respectively, reach in the different material extrusion stages, the demand of different accurate extrusion temperature required by the plastics phase transformation stage, makes extruder extrude better quality.
Description
Technical field
The utility model relates to plastic extruder field, particularly relates to a kind of plastic extruder heating system.
Background technology
Single-screw extruder is a kind of common extruder equipment, for plastic processing industry, be mainly used in extruding the thermoplastics such as soft, hard poly-third ethene, polyvinyl chloride, multiple plastic products can be processed, as blown film, squeeze pipe, pressing plate, wire drawing etc., also can be used for melt pelletization.
At present, the mode of heating that plastic machine on market adopts is commonly electric heating coil heating, and by contact conduction pattern, heat is passed on barrel, the heat only abutting against barrel inner side surface passes on barrel, the heat major part in outside is distributed in air, there is the problem of heat conduction loss; Resistant heating also has a shortcoming to be exactly that power density is low in addition, and the occasion higher in some temperature cannot adapt to.
For this problem, the present electromagnetic heater occurred for plastic extruder, as the patent No. 201120427127.3 to patent discloses one " efficient, environment-friendly type extruder electromagnetic heating apparatus ", the patent No. 201120414500 patent discloses one " electromagnetic heater of chemical fiber extruder ", patent discloses " a kind of electromagnetic heating system of single screw extrusion machine " of the patent No. 201320088044.5, all outside barrel, be wound with the high temperature resistant coil grading of homogeneous heating, the high frequency magnetic field produced by the coil of high temperature resistant wire-wound makes barrel self Fast Heating.
But the eddy-current heating of above-mentioned extruder, exists following technological deficiency: temperature control precision is poor, plastics, plastic cement manufacturing process are higher for the control overflow of temperature, and general temperature requirement controls at ± 2 DEG C.Above-mentioned electromagnetic induction heating technique is all directly wrap up insulation material at metal charge drum outer wall, and on insulation material, be wound around the mode of induction coil, have no idea when overtemperature to cool in time, if employing water-cooled, for security consideration, cool after needing power-off to stop heating, not only can have influence on production efficiency, also can affect accuracy of temperature control simultaneously; If adopt air cooling; also need refrigeration system, equipment and use cost high.
Utility model content
The utility model, based on not enough described in above-mentioned background technology, in order to control plastic extrusion quality better, made improvement, being proposed a kind of novel plastic extruder heating system in Electromagnetic Heating temperature control precision.
The utility model realizes by the following technical solutions: a kind of plastic extruder heating system, comprise extruded tube (1), in described extruded tube (1) outside, multiple separate heated at constant temperature unit (2) is installed, described heated at constant temperature unit (2) is equidistantly separated successively by the spacer (3) being fixed on extruded tube (1) outside, described heated at constant temperature unit (2) quantity is 3, according to extruder material extrusion operative orientation, be followed successively by feeding section heated at constant temperature unit group, compression section heated at constant temperature unit group, homogenizing zone heated at constant temperature unit group, these three heated at constant temperature unit groups are controlled by independent heating control apparatus respectively, realize the different heating temperatures of different heating unit group to control.
Described heated at constant temperature unit (2) comprises cold water copper pipe (20), the ring-type combined successively and supports (21), insulating sleeve (22), soak cotton (23), high temperature resistant coil (24) and magnetic conduction sleeve (25), described cold water copper pipe (20) is arranged on ring-type and supports (21) inside, described ring-type supports (21) and is cemented on spacer (3), be provided with the cold water pipeline being communicated with cold water copper pipe (20) in described spacer (3), have magnetic valve (30) in the upper outer setting in spacer (3) of described cold water pipeline.
Further, described heated at constant temperature unit (2) is electromagnetic induction heating unit.
Further, the temperature sensor (31) for monitor temperature is also provided with in described spacer (3).
Owing to have employed said structure, the utility model compared with prior art, has following beneficial effect:
1. three groups of heated at constant temperature unit in extruded tube outer setting, three groups of heated at constant temperature unit control heating by different heating control apparatus respectively, the feeding section of realization in material extrusion process, compression section, homogenizing zone carry out different temperature adjustings respectively, reach in the different material extrusion stages, the demand of different accurate extrusion temperature required by the plastics phase transformation stage, makes extruder extrude better quality.
2. in the structure of heated at constant temperature unit, make improvement, add ring-type support, insulating sleeve, magnetic conduction sleeve, ring-type is supported and can arrange cold water copper pipe therein neatly and be connected with outside cold water by spacer, during work, can start and stop cold water at any time by the coordinated of magnetic valve and temperature sensor, to reach the object of precise control of temperature; Extruder can be made when not power-off by arranging insulating sleeve simultaneously, cooling after extruder is heated, can not have influence on production efficiency, the magnetic conduction sleeve of increase not only can reduce 9 Cr 2 steel using electromagnetic heating consumption, is also conducive to the electromagnetic radiation reducing extruder.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described further.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of plastic extruder heating system, comprise extruded tube 1, extruded tube 1 outside is provided with multiple separate heated at constant temperature unit 2, heated at constant temperature unit 2 is equidistantly separated successively by the spacer 3 being fixed on extruded tube 1 outside, described heated at constant temperature unit 2 quantity is 3, according to extruder material extrusion operative orientation, be followed successively by feeding section heated at constant temperature unit group, compression section heated at constant temperature unit group, homogenizing zone heated at constant temperature unit group, during work, these three heated at constant temperature unit groups are controlled by independent heating control apparatus (not shown) respectively, realize the different heating temperatures of different heating unit group to control.
In the present embodiment, described heated at constant temperature unit 2 comprises that cold water copper pipe 20, the ring-type combined successively support 21, insulating sleeve 22, soak cotton 23, high temperature resistant coil 24 and magnetic conduction sleeve 25, described cold water copper pipe 20 is arranged on ring-type and supports 21 inside, described ring-type supports 21 and is cemented on spacer 3, be provided with the cold water pipeline being communicated with cold water copper pipe 20 in described spacer 3, have magnetic valve 30 in the upper outer setting in spacer 3 of described cold water pipeline.
In the present embodiment, the structure of heated at constant temperature unit 2 makes improvement, add ring-type support 21, insulating sleeve 22, magnetic conduction sleeve 25, ring-type is supported 21 and can arrange cold water copper pipe 20 therein neatly and be connected with outside cold water by spacer 3, during work, can start and stop cold water at any time by the coordinated of magnetic valve 30 and temperature sensor 31, to reach the object of precise control of temperature; Extruder can be made when not power-off by arranging insulating sleeve 22 simultaneously, cooling after extruder is heated, can not have influence on production efficiency, the magnetic conduction sleeve 25 of increase not only can reduce 9 Cr 2 steel using electromagnetic heating consumption, is also conducive to the electromagnetic radiation reducing extruder.
Claims (7)
1. a plastic extruder heating system, comprise extruded tube (1), it is characterized in that, described extruded tube (1) outside is provided with multiple separate heated at constant temperature unit (2), described heated at constant temperature unit (2) is equidistantly separated successively by the spacer (3) being fixed on extruded tube (1) outside, described heated at constant temperature unit (2) comprises the cold water copper pipe (20) combined successively, ring-type supports (21), insulating sleeve (22), soak cotton (23), high temperature resistant coil (24) and magnetic conduction sleeve (25), described cold water copper pipe (20) is arranged on ring-type and supports (21) inside, described ring-type supports (21) and is cemented on spacer (3), the pipeline being communicated with cold water copper pipe (20) is provided with in described spacer (3).
2. heating system according to claim 1, is characterized in that, described heated at constant temperature unit (2) quantity is 3.
3. heating system according to claim 2, is characterized in that, described heated at constant temperature unit (2) is followed successively by feeding section heated at constant temperature unit group, compression section heated at constant temperature unit group, homogenizing zone heated at constant temperature unit group.
4. according to the heating system in claim 1 ~ 2 described in any one, it is characterized in that, described heated at constant temperature unit (2) is electromagnetic induction heating unit.
5. according to the heating system in claim 2 ~ 3 described in any one, it is characterized in that, described heated at constant temperature unit (2) is controlled by independent heating control apparatus respectively.
6. heating system according to claim 1, is characterized in that, described spacer (3) is also provided with the magnetic valve (30) for automatically cutting off cold water pipeline.
7. heating system according to claim 1, is characterized in that, is also provided with the temperature sensor (31) for monitor temperature in described spacer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245552.9U CN204547032U (en) | 2015-04-22 | 2015-04-22 | A kind of plastic extruder heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520245552.9U CN204547032U (en) | 2015-04-22 | 2015-04-22 | A kind of plastic extruder heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204547032U true CN204547032U (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520245552.9U Expired - Fee Related CN204547032U (en) | 2015-04-22 | 2015-04-22 | A kind of plastic extruder heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204547032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799083A (en) * | 2016-04-28 | 2016-07-27 | 安徽省华晨塑业科技有限公司 | Intelligent energy-saving plasticizing special device for waste ABS modification and regeneration |
-
2015
- 2015-04-22 CN CN201520245552.9U patent/CN204547032U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799083A (en) * | 2016-04-28 | 2016-07-27 | 安徽省华晨塑业科技有限公司 | Intelligent energy-saving plasticizing special device for waste ABS modification and regeneration |
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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 |
Granted publication date: 20150812 Termination date: 20170422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |