CN204172315U - A kind of conic single-bolt plastic extruder - Google Patents
A kind of conic single-bolt plastic extruder Download PDFInfo
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- CN204172315U CN204172315U CN201420633523.5U CN201420633523U CN204172315U CN 204172315 U CN204172315 U CN 204172315U CN 201420633523 U CN201420633523 U CN 201420633523U CN 204172315 U CN204172315 U CN 204172315U
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Abstract
The utility model discloses a kind of conic single-bolt plastic extruder, comprise charging system, extrusion system, described charging system comprises the hopper that inside is provided with agitator, extrusion system comprises conical screw and the head be connected in turn, machine barrel, reinforced seat, wherein at head, the conical internal cavity with conical screw form fit is provided with in machine barrel and reinforced seat, feed hopper bottom is provided with the charging aperture communicated with conical internal cavity, conical screw is arranged in conical internal cavity, along reinforced seat to heading, conical screw arranges the feeding section of single thread structure in turn, compression section, metering section and mixing section, wherein on metering section, screw channel width near side, compression section is less than the screw channel width near mixing section side, uniform axial groove on the outer wall of the conical internal cavity between feeding section to compression section, and the depth of groove of feeding section side is greater than the depth of groove of side, compression section.The production efficiency of the utility model product is high, highly versatile, and extrusion capacity is stablized, and easy to operate, use cost is low.
Description
Technical field
The utility model relates to a kind of plastic extruder, particularly relates to a kind of conic single-bolt plastic extruder.
Background technology
In the processing of plastics, the processing of the plastic raw materials such as bulk material, large compression ratio, high volatilization, labile, multicomponent is more difficult, common processing mode uses parallel double-screw or conical double screw extruder to process, its deficiency existed is: the investment of equipment is larger, energy consumption is large, the extent of deterioration of equipment is high, causes the corresponding rising of production cost.
And in the materiel machining of polymer, conventional is single-screw extruder at present, because its screw rod cylindrical is cylindrical surface, feeding section, compression section are identical with the major diameter of thread of metering section, its structure causes it to there is following defect: 1, be difficult to obtain larger compression ratio, 2, be difficult to bear larger moment of torsion, 3, direct extrusion molding is difficult to fluffy materials, powder raw material, laminar raw material, high fill material (as calcic-plastic composite material, Wood-plastic material), heat sensitive material etc., production efficiency is lower, and production cost is high.Tapered single screw extruder after improvement has the screw rod of taper, may be used for plasticating and mixing of fluffy, high fill material, but because its screw rod total length is taper, metering section extrude instability, cause with product during plastics straight forming uneven, particularly when the mixing extrusion of multi-component plastics, mixing quality is poor, additive skewness, easily causes product quality defect.
Summary of the invention
The purpose of this utility model is to provide a kind of highly versatile, production efficiency is high, structure is simple and the conic single-bolt plastic extruder that product quality is high.
Technical solution of the present utility model is: a kind of conic single-bolt plastic extruder, comprise charging system, extrusion system, dynamical system and heating and cooling system, described charging system comprises the hopper that inside is provided with agitator, extrusion system comprises conical screw and the head be connected in turn, machine barrel, reinforced seat, wherein at head, the conical internal cavity with conical screw form fit is provided with in machine barrel and reinforced seat, feed hopper bottom is provided with the charging aperture communicated with conical internal cavity, conical screw is arranged in conical internal cavity, along reinforced seat to heading, conical screw arranges the feeding section of single thread structure in turn, compression section, metering section and mixing section, wherein on metering section, screw channel width near side, compression section is less than the screw channel width near mixing section side, uniform axial groove on the outer wall of the conical internal cavity between feeding section to compression section, and the depth of groove of feeding section side is greater than the depth of groove of side, compression section, dynamical system comprises the torque motor be connected with the conical screw of reinforced seat side, heating and cooling system comprises and is arranged on heater outside machine barrel and cooling fan.
Be provided with agitator in hopper, can force in machine barrel reinforced; Along material traffic direction, the metering section screw channel width of conical screw increases gradually, thus can keep the screw channel constancy of volume, ensures the stable of extrusion capacity; The groove that conical internal cavity outer wall between compression section to charge door is arranged, can discharge the air be mixed in material and other escaping gases to charge door direction, be conducive to fully carrying out compression shear to material, improve its density; Mixture homogeneity, melting is effective, may be used for processing high volatility feedstocks, and overall structure is simple, is suitable for material component in extensive range, and extrusion capacity is stablized, and good mixing effect, extrudes steady quality.
The mixing section surface of described conical screw is provided with parallel double wedge.The double wedge of mixing section can upset the flow direction of solid and liquid, and solid phase and liquid phase are fully mixed, and is conducive to the temperature reducing melt.
The outer wall of the described conical internal cavity at described reinforced seat place is provided with the air discharge duct be communicated with described groove.Be conducive to the transfer efficiency being vented and improving solid material.
Bosh is provided with in described reinforced seat.Reinforced seat is directly cooled.
Heat insulating mattress is provided with between described reinforced seat and described machine barrel.Intercept the heat exchange between machine barrel and reinforced seat, improve material compression melting efficiency, reduce energy consumption cost.
Adjustment pad is provided with between described torque motor and conical screw.Can distance between Torque-adjusting motor and conical screw by adjustment pad, thus realize the gap between adjustment conical screw and machine tube inner wall, extend its service life, reduce production cost.
Cooling blower is provided with outside described head.The temperature of easier controller head, ensures the effect extruded.
The utility model has the advantages that: conveniently process the raw materials such as fluffy materials, powder raw material, laminar raw material, high fill material, heat sensitive material, production efficiency is high, highly versatile, extrusion capacity is stablized, and easy to operate, use cost is low.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment;
1, head, 2, machine barrel, 3, reinforced seat, 4, conical screw, 5, conical internal cavity, 6, loading hopper, 7, agitator, 8, charge door, 9, feed zone, 10, compression section, 11, metering section, 12, mixing section, 13, screw channel, 14, groove, 15, air discharge duct, 16, double wedge, 17, torque motor, 18, adjustment pad, 19, heater, 20, cooling fan, 21, bosh, 22, heat insulating mattress, 23, cooling blower, 24, support, 25, control system, 26, frame.
Detailed description of the invention
Embodiment:
Consult Fig. 1, a kind of conic single-bolt plastic extruder, be arranged in frame 26, comprise charging system, extrusion system, dynamical system and heating and cooling system, described charging system comprises the hopper 6 that inside is provided with agitator 7, extrusion system comprises conical screw 4 and the head 1 be connected in turn, machine barrel 2, reinforced seat 3, wherein at head 1, the conical internal cavity 5 with conical screw 4 form fit is provided with in machine barrel 2 and reinforced seat 3, the bottom of hopper 6 is provided with the charging aperture 8 communicated with conical internal cavity 5, conical screw 4 is arranged in conical internal cavity 5, along reinforced seat 3 to head 1 direction, conical screw 4 arranges the feeding section 9 of single thread structure in turn, compression section 10, metering section 11 and mixing section 12, wherein on metering section 11, width near the screw channel 13 of side, compression section is less than the width of the screw channel 13 near mixing section side, uniform axial groove 14 on the outer wall of the conical internal cavity 5 between feeding section 9 to compression section 10, and groove 14 degree of depth of feeding section 9 side is greater than groove 14 degree of depth of side, compression section 10, the uniform parallel double wedge 16 in surface of mixing section 12, the outer wall of the described conical internal cavity 5 at reinforced seat 3 place is provided with the air discharge duct 15 be communicated with groove 14.In reinforced seat 3, be provided with bosh 21, can cooling water be passed into.Dynamical system comprises the torque motor 17 be connected with the conical screw 4 of reinforced seat 3 side, be provided with between torque motor 17 and conical screw 4 and regulate pad 18, can distance between Torque-adjusting motor 17 and conical screw 4 by adjustment pad 18, thus the gap between adjustment conical screw 4 and machine barrel 2 inwall.
Heating and cooling system comprises and is arranged on heater 19 outside machine barrel 2 and cooling fan 20, and is arranged on the cooling blower 23 of head 1 outside.Heater 19 can improve machine barrel internal temperature, impels plastic raw materials melting, for convenience of control temperature, increases cooling fan 20, to realize the adjustment to machine barrel 2 internal temperature.Outside head 1, be provided with cooling blower 23 simultaneously, temperature of charge when extruding can be effectively reduced, thus ensure cool very soon with the abundant mixed liquid phase of solid phase, ensure that the mixture homogeneity of extruded material.Feed in raw material and be provided with heat insulating mattress 22 between seat 3 and machine barrel 2, heat can be completely cut off and conduct from machine barrel 2 to heated seats 3 direction, avoid material premature melt to cause reinforced difficulty.The temperature of complete equipment is easy to adjust, cold and hot separation.
One end of machine barrel 2 is fixed in frame 26 by support 24, and the other end is supported on torque motor 17 by adjustment pad 18, and control system 25 can the temperature at the accurately rotating speed of control moment motor and machine barrel 2, head 1 place.
Agitator 7 is provided with in hopper 6, can force in machine barrel 2 reinforced, along material traffic direction, screw channel 13 width of the metering section 11 of conical screw 4 increases gradually, thus the constancy of volume of screw channel 13 can be kept, ensure the stable of extrusion capacity, air discharge duct 15 in the groove 14 that conical internal cavity 5 outer wall is arranged and reinforced seat 3 can other be discharged to charge door direction by the air be mixed in material and other volatility, be conducive to fully carrying out compression shear to material, improve its closely knit mixture homogeneity, melting is effective, may be used for processing high volatility feedstocks, overall structure is simple, be suitable for material component in extensive range, extrusion capacity is stablized, good mixing effect, extrude steady quality.
Compared with the single screw extrusion machine of same specification, output increased 30-70% extruded by the extruder of the utility model embodiment, and the moment of torsion bearing screw rod improves 20-60%, and production efficiency improves 30-60%, and cost-saving is 20-40%.
Above-listed detailed description is illustrating for one of the utility model possible embodiments, this embodiment is also not used to limit the scope of the claims of the present utility model, allly do not depart from the equivalence that the utility model does and implement or change, all should be contained in the scope of the claims of this case.
Claims (7)
1. a conic single-bolt plastic extruder, comprise charging system, extrusion system, dynamical system and heating and cooling system, it is characterized in that: described charging system comprises the hopper that inside is provided with agitator, extrusion system comprises conical screw and the head be connected in turn, machine barrel, reinforced seat, wherein at head, the conical internal cavity with conical screw form fit is provided with in machine barrel and reinforced seat, feed hopper bottom is provided with the charging aperture communicated with conical internal cavity, conical screw is arranged in conical internal cavity, along reinforced seat to heading, conical screw arranges the feeding section of single thread structure in turn, compression section, metering section and mixing section, wherein on metering section, screw channel width near side, compression section is less than the screw channel width near mixing section side, uniform axial groove on the outer wall of the conical internal cavity between feeding section to compression section, and the depth of groove of feeding section side is greater than the depth of groove of side, compression section, dynamical system comprises the torque motor be connected with the conical screw of reinforced seat side, heating and cooling system comprises and is arranged on heater outside machine barrel and cooling fan.
2. a kind of conic single-bolt plastic extruder according to claim 1, is characterized in that: the mixing section surface of described conical screw is provided with parallel double wedge.
3. a kind of conic single-bolt plastic extruder according to claim 1 and 2, is characterized in that: on the outer wall of the described conical internal cavity at described reinforced seat place, be provided with the air discharge duct be communicated with described groove.
4. a kind of conic single-bolt plastic extruder according to claim 3, is characterized in that: in described reinforced seat, be provided with bosh.
5. a kind of conic single-bolt plastic extruder according to claim 4, is characterized in that: between described reinforced seat and described machine barrel, be provided with heat insulating mattress.
6. a kind of conic single-bolt plastic extruder according to claim 3, is characterized in that: between described torque motor and conical screw, be provided with adjustment pad.
7. a kind of conic single-bolt plastic extruder according to claim 3, is characterized in that: outside described head, be provided with cooling blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633523.5U CN204172315U (en) | 2014-10-29 | 2014-10-29 | A kind of conic single-bolt plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633523.5U CN204172315U (en) | 2014-10-29 | 2014-10-29 | A kind of conic single-bolt plastic extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204172315U true CN204172315U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420633523.5U Withdrawn - After Issue CN204172315U (en) | 2014-10-29 | 2014-10-29 | A kind of conic single-bolt plastic extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204172315U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441560A (en) * | 2014-10-29 | 2015-03-25 | 佛山市日丰企业有限公司 | Conical single-screw plastic extruder |
| CN112277290A (en) * | 2020-09-27 | 2021-01-29 | 惠州市峄董塑胶科技有限公司 | Double-cylinder plastic extruder |
-
2014
- 2014-10-29 CN CN201420633523.5U patent/CN204172315U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441560A (en) * | 2014-10-29 | 2015-03-25 | 佛山市日丰企业有限公司 | Conical single-screw plastic extruder |
| CN112277290A (en) * | 2020-09-27 | 2021-01-29 | 惠州市峄董塑胶科技有限公司 | Double-cylinder plastic extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Guangdong province Foshan City Temple Road No. 16 HSBC Building 8 floor Patentee after: RIFENG ENTERPRISE GROUP CO., LTD. Patentee after: WENZHOU RIFENG TECHNOLOGY CO., LTD. Address before: 528000 Guangdong province Foshan City Temple Road No. 16 HSBC Building 8 floor Patentee before: Rifeng Enterprise Co., Ltd., Foshan Patentee before: Foshan market day rich science and technology in enterprise company limited |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150225 Effective date of abandoning: 20171017 |
|
| AV01 | Patent right actively abandoned |