CN205588613U - Cavity former that low energy consumption low temperature was extruded - Google Patents
Cavity former that low energy consumption low temperature was extruded Download PDFInfo
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- CN205588613U CN205588613U CN201620318378.0U CN201620318378U CN205588613U CN 205588613 U CN205588613 U CN 205588613U CN 201620318378 U CN201620318378 U CN 201620318378U CN 205588613 U CN205588613 U CN 205588613U
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Abstract
The utility model relates to a cavity former that low energy consumption low temperature was extruded, including rotate connecting the screw rod of extruding in extruding the barrel, extrude screw rod along its orientation of extruding of extruding the barrel, be equipped with pan feeding section, changeover portion, segregation section and homogenizing section in proper order, pan feeding section, transition section, segregation section and homogenizing section's surface is equipped with continuous screw, the pitch L1 of pan feeding section screw thread and pitch L2 and the screw channel degree of depth H2 that screw channel degree of depth H1 all is less than the homogenizing section screw thread, segregation section is BM formula separation type screw thread, and including main screw thread and vice screw thread, the pitch L3 of main screw thread is impartial, the gradual change of screw channel degree of depth H3 is gradually dark, the pitch L4 gradual change of vice screw thread gradually big, screw channel degree of depth H4 is impartial, homogenizing section's end is equipped with mixing head. The utility model has the advantages of simple structure, purchase with low costsly outside production reaches, output is high, the energy consumption is low, the material temperature is low, improves the market competition of machinery equipment, environmental protection and energy saving possess sustainable development's advantage.
Description
Technical field
This utility model relates to a kind of plastic hollow former, the hollow forming equipment of a kind of low energy consumption low temperature extrusion.
Background technology
At present, prior art is applied in the middle of hollow blow molding equipment, in order to ensure plasticizing quality, commonly used common gradual change screw rod or gradual change screw rod add barrier head, to realize the fusion plastification molding of plastics, although so ensure that plasticizing quality, but energy consumption aspect is the highest.Observable index is pressed power of motor/extrusion capacity and is calculated, and with CSPC HDPE5502 plastics as example, the most universal observable index is equal > 0.3, also imply that, melt extrude the HDPE5502 of per kilogram, need at least 0.3 degree electricity.And melt adhesive temperature reaches more than 180 degree, overheated plastic melt, too increase blow cooling and the burden of mould cooling, in a disguised form reduce production capacity and the power consumption of machine.
The hollow molding extrusion system of currently available technology, uses common screw, and speed is once accelerated, and plasticizing quality just cannot ensure, and there will be the phenomenon that temperature rises violently.If rotating speed is unhappy, extrusion capacity is the most pitiably little, it is impossible to the market competition that reply is day by day fierce.Therefore, on the premise of technical merit cannot improve, also the way of a kind of compromise is derived, it is exactly the structure design not changing extrusion screw rod, the most constantly strengthens screw diameter, use the slow-revving extrusion way of big screw rod, to realize the balance of yield and temperature, but such inevitable consequence is: the increasing of extruder motor type selecting, and observable index increases the most accordingly, do not meet the new design concept of environmental protection and energy saving.
In view of above old money extrusion technology, a dynamic equilibrium of driving force, yield, material temperature cannot be realized, therefore, the design of Structural Parameters of necessary change screw rod, and the relevant cooperation of other extrusion parts, make to realize between motor and screw rod the energy conversion of peak efficiency, to adapt to the development of prior art.
Summary of the invention
The purpose of this utility model is intended to the defect overcoming prior art to exist, there is provided a kind of rational in infrastructure, easy to process, layout installation is simple and convenient effectively, can the most supporting plastic hollow former, realize the conveying quickly and efficiently of hollow molding plastic melt, the plastic melt simultaneously overcoming high rotating speed to bring shears the defect of temperature rise, more energy-saving and environmental protection, the main screw channel design of special transportation section and segregation section, without the power of increase extruder motor, can also accomplish the hollow forming equipment of the low energy consumption low temperature extrusion of high speed high yield.
By the hollow forming equipment of a kind of low energy consumption low temperature extrusion that this purpose designs, including the extrusion screw rod being rotatably connected in extruder barrel, its architectural feature is, extrusion screw rod is along the extrusion direction of its extrusion extruder barrel, being sequentially provided with pan feeding section, changeover portion, segregation section and homogenizing zone, the surface of pan feeding section, excessive section, segregation section and homogenizing zone is provided with continuous print screw thread；Pitch L1 of pan feeding section screw thread and spiral groove depth H1 are respectively less than pitch L2 and the spiral groove depth H2 of homogenizing zone screw thread；Segregation section is BM formula divergence type screw thread, and including main thread and deputy thread, pitch L3 of main thread is impartial, spiral groove depth H3 gradual change is gradually deep, the pitch L4 gradual change of deputy thread gradually big, spiral groove depth H4 equalization；The end of homogenizing zone is provided with mixing refining head.
Pitch L1 of described pan feeding section screw thread is impartial, spiral groove depth H1 is impartial；Pitch L2 of homogenizing zone screw thread is impartial, spiral groove depth H2 is impartial；Changeover portion screw thread make pan feeding section screw thread and segregation section screw thread uniformly, continuous transition is connected.
The outer surface of described extruder barrel is provided with screw thread wind groove.
The outer surface of described extruder barrel is provided with some chillers.
Described chiller includes the cooling cover covering on extruder barrel outer surface, and cooling cover is provided with cooling blower.
Described cooling cover is enclosed construction, and extruder barrel outer surface is closed, and the bottom of cooling cover is provided with some ventholes.
Described hollow forming equipment also includes driving means, loading hopper and extruder barrel, and extruder barrel is installed together with driving means, and loading hopper is arranged on the feed end of extruder barrel.
The beneficial effects of the utility model are:
1) simple in construction, produces and outsourcing low cost.
2) yield is high, energy consumption is low, material temperature is low, improves the market competitiveness of machinery equipment.
3) environmental protection and energy saving, possess the advantage of sustainable development.
Accompanying drawing explanation
Fig. 1 is the assembling stereogram of this utility model one embodiment energy-saving pneumatic conveyer device.
Fig. 2 is the use principle figure of this utility model one embodiment energy-saving pneumatic conveyer device.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
As depicted in figs. 1 and 2, the hollow forming equipment of this low energy consumption low temperature extrusion, including the extrusion screw rod 4 being rotatably connected in extruder barrel 3, extrusion screw rod 4 is along the extrusion direction of its extrusion extruder barrel 3, being sequentially provided with pan feeding section, changeover portion, segregation section and homogenizing zone, the surface of pan feeding section, excessive section, segregation section and homogenizing zone is provided with continuous print screw thread；Pitch L1 of pan feeding section screw thread and spiral groove depth H1 are respectively less than pitch L2 and the spiral groove depth H2 of homogenizing zone screw thread；Segregation section is BM formula divergence type screw thread, and including main thread and deputy thread, pitch L3 of main thread is impartial, spiral groove depth H3 gradual change is gradually deep, the pitch L4 gradual change of deputy thread gradually big, spiral groove depth H4 equalization；The end of homogenizing zone is provided with mixing refining head 41.
Further, pitch L1 of pan feeding section screw thread is impartial, spiral groove depth H1 is impartial；Pitch L2 of homogenizing zone screw thread is impartial, spiral groove depth H2 is impartial；Changeover portion screw thread make pan feeding section screw thread and segregation section screw thread uniformly, continuous transition is connected.
This utility model is particular for the middle viscosity high molecule plastic used by hollow forming equipment, at extrusion screw rod 4 design aspect, take following design concept: a, the mode of movement of pan feeding section employing fine pitch shallow screw channel, reduce the physical property blocking caused because of transition conveying；B, segregation section use BM formula divergence type screw thread design, main screw channel takes the mode that degree of depth gradual change is the deepest, reduce the huge moment of torsion that pressure brings suddenly, and pair screw channel uses big pitch transition to provide conveying capacity, and strengthen the adjustment of spiral groove depth parameter, ensure when improving screw speed, unnecessary heat energy will not be produced because shearing, cause the temperature rise of plastic melt.Finally, at homogenizing zone, the deep deep screw channel design such as employing, more in addition mixing refining head carries out strengthening plasticizing and melting effect, it is ensured that screw part in conveying, melted, homogenizing, mixing etc. reach a perfect counterbalance effect.Extrusion screw rod 4 by the compression of grain former to plastics, carry, melt, mix, realize the balance of four elements in design, reach the effect of high yield, low energy consumption, lower material temperature, provide enough plastic raw materials conveyings for hollow forming equipment, improve production capacity and the competitiveness of hollow device.
For avoiding the transition of pan feeding section to carry, also in view of double thread structure to raw-material strict demand, will shorten the pan feeding section screw channel of pitch, usually, pan feeding section pitch ideal parameters is the 80% of main pitch, and the degree of depth is less than the 15% of screw diameter；BM segregation section is broken the normal procedure design, and main thread takes gradually deep mode, offsets the pressure that the progressive compression of major-minor screw thread brings, reduces screw torque；Segregation section deputy thread punishment in advance gap value 0.9mm, is very suitable for the shearing plasticizing of middle viscosity HDPE, will not bring the temperature rise that too much shearing can cause；Preposition reverse-flow mixing refining head, makes melt can well be mixed in final stage, either adds toner or color masterbatch dyes, and this structure screw rod can well plastify mixing, and the adaptability of use is the strongest.By testing and practice have shown that, the observable index of this screw rod can accomplish 0.19, well below the 0.25 of domestic average level.
Further, the outer surface of extruder barrel 3 is provided with screw thread wind groove 31.This technical scheme is just as the intestinal of human body, by increasing capacitance it is possible to increase the surface area of extruder barrel 3, when the air that dispels the heat flows through, can be greatly increased and the contacting and thermal energy exchange of machine barrel hot surface, it is achieved the effect of fast cooling, also accomplish to make full use of to heat radiation air.
Further, the outer surface of extruder barrel 3 is provided with three groups of chillers.
Further, chiller includes the cooling cover 32 covering on extruder barrel 3 outer surface, and cooling cover 32 is provided with cooling blower 33；Cooling cover 32 is enclosed construction, and extruder barrel 3 outer surface is closed, and the bottom of cooling cover 32 is provided with some ventholes.All cooling air being blown into by cooling blower 33, must be by contacting with the flowing of the screw thread wind groove 31 on extruder barrel 3 surface, the outside of cooling cover 32 could be discharged, that is, special cooling cover 32 designs, formulate more effective circulation passage for air flowing, arrive the purpose of effective temperature-reducing.
Further, hollow forming equipment also includes driving means 1, loading hopper 2 and extruder barrel 3, and extruder barrel 3 is installed together with driving means 1, and loading hopper 2 is arranged on the feed end of extruder barrel 3.This utility model hollow forming equipment applies low energy consumption low temperature extruding technology, each parts are fastenedly connected by adpting flange and installation screw, with the production system that molding die, inserting carriage, frame, mold locking frame, hydraulic system etc. form a closed loop, the extrusion of high extrusion capacity low temperature, be conducive under identical screw diameter configuration, can configure greater number of die head, make machine production more and more higher, the competitiveness in market is more and more prominent；By the connection from different plastic shaping die heads, the blowing of different types of hollow bottle-type can be carried out.
Operation principle of the present utility model: the defect that this utility model exists for prior art improves, use the screw design of advanced person and the supporting of remaining extrusion parts, realize on the premise of screw diameter and motor output torque are without strengthening, pellet former to plastics carries out the melted low temperature extrusion of high yield, melt generates an annular pipe through former, then pipe is cut off by cutter, by clamping apparatus, mould is closed up on the position that die head produces pipe again, reset in situ again, blow to insert to insert in the works and blow, form hollow product.The yield of plastic, depends primarily on the extrusion capacity of extrusion system, the melt temperature of plastics, blows cool time etc..The melt temperature of plastics is the lowest, realizes part cooling the soonest, and extrusion capacity is the highest, it is possible to the head that configuration head number is the most.Therefore, this low temperature extrusion systems, whole can accomplish well high production capacity, lower material temperature, low grapple, low energy consumption ratio.
Compared with conventional art, this utility model has rational in infrastructure, easy to process, layout install simple and convenient effectively, highly versatile, with low cost a little.Can the most supporting plastic hollow former, it is achieved hollow finished product high yield, the low advantage of power consumption of single goods.Showing according to the applicant's test, compared to similar extruding technology, energy-saving effect is at least up to 30%, and production capacity improves more than 40%, can be widely popularized the use on plastic hollow former.
Above-mentioned for preferred version of the present utility model, of the present utility model ultimate principle, principal character and of the present utility model advantage have been shown and described.Those skilled in the art is it should be recognized that this utility model is not restricted to the described embodiments; described in above-described embodiment and description, principle of the present utility model is simply described; on the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (7)
1. the hollow forming equipment of a low energy consumption low temperature extrusion, including the extrusion screw rod (4) being rotatably connected in extruder barrel (3), it is characterized in that, extrusion screw rod (4) is along the extrusion direction of its extrusion extruder barrel (3), being sequentially provided with pan feeding section, changeover portion, segregation section and homogenizing zone, the surface of pan feeding section, excessive section, segregation section and homogenizing zone is provided with continuous print screw thread；Pitch L1 of pan feeding section screw thread and spiral groove depth H1 are respectively less than pitch L2 and the spiral groove depth H2 of homogenizing zone screw thread；Segregation section is BM formula divergence type screw thread, and including main thread and deputy thread, pitch L3 of main thread is impartial, spiral groove depth H3 gradual change is gradually deep, the pitch L4 gradual change of deputy thread gradually big, spiral groove depth H4 equalization；The end of homogenizing zone is provided with mixing refining head (41).
The hollow forming equipment of low energy consumption low temperature extrusion the most according to claim 1, it is characterised in that pitch L1 of described pan feeding section screw thread is impartial, spiral groove depth H1 is impartial；Pitch L2 of homogenizing zone screw thread is impartial, spiral groove depth H2 is impartial；Changeover portion screw thread make pan feeding section screw thread and segregation section screw thread uniformly, continuous transition is connected.
The hollow forming equipment of low energy consumption low temperature extrusion the most according to claim 1, it is characterised in that the outer surface of described extruder barrel (3) is provided with screw thread wind groove (31).
The hollow forming equipment of low energy consumption low temperature extrusion the most according to claim 1, it is characterised in that the outer surface of described extruder barrel (3) is provided with some chillers.
The hollow forming equipment of low energy consumption low temperature extrusion the most according to claim 4, it is characterised in that described chiller includes the cooling cover (32) covering on extruder barrel (3) outer surface, and cooling cover (32) is provided with cooling blower (33).
The hollow forming equipment of low energy consumption low temperature extrusion the most according to claim 5, it is characterised in that described cooling cover (32) is enclosed construction, and extruder barrel (3) outer surface is closed, and the bottom of cooling cover (32) is provided with some ventholes.
7. according to the hollow forming equipment of low energy consumption low temperature extrusion described in any one of claim 1-6, it is characterized in that, described hollow forming equipment also includes driving means (1), loading hopper (2) and extruder barrel (3), extruder barrel (3) is installed together with driving means (1), and loading hopper (2) is arranged on the feed end of extruder barrel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620318378.0U CN205588613U (en) | 2016-04-14 | 2016-04-14 | Cavity former that low energy consumption low temperature was extruded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620318378.0U CN205588613U (en) | 2016-04-14 | 2016-04-14 | Cavity former that low energy consumption low temperature was extruded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205588613U true CN205588613U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620318378.0U Expired - Fee Related CN205588613U (en) | 2016-04-14 | 2016-04-14 | Cavity former that low energy consumption low temperature was extruded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205588613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729762A (en) * | 2016-04-14 | 2016-07-06 | 中山市富邦机械有限公司 | Low-energy-consumption low-temperature extrusion blow molding equipment |
-
2016
- 2016-04-14 CN CN201620318378.0U patent/CN205588613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729762A (en) * | 2016-04-14 | 2016-07-06 | 中山市富邦机械有限公司 | Low-energy-consumption low-temperature extrusion blow molding equipment |
| CN105729762B (en) * | 2016-04-14 | 2018-08-28 | 中山市富邦机械有限公司 | The hollow forming equipment that low energy consumption low temperature squeezes out |
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| 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: 20160921 Termination date: 20210414 |