• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to processing plastic masses, and can be used in engineering. The purpose of the invention is to expand technological capabilities by providing intensive mixing when applying additional filler materials. To do this, in the case with the possibility of engagement and unidirectional rotation, there are two self-cleaning augers, which in the melting zone have areas of smaller diameter with an increased number of entries — three-way, and in the mixing zone — larger diameter areas with a reduced number of visits — two-way for education in the mixing zone. The case has an opening for loading the processed material in the melting zone and an opening for loading the additive materials in the mixing zone. During operation, additive materials are fed into the zone with an increased living cross section, where they can be mixed with the recycled material supplied from the melting zone of the melting material in the required combinations and with almost no reverse support, as the necessary free volume is in the mixing zone. Filler materials can also be supplied partly in the zone of de-melting, and plasticizable materials in the mixing zone with a low to no HbtM number of screw feeds, which provide the necessary variation in the feed of the processed and filler materials. 1 hp f-ly, 3 ill.
    公开号:SU1279522A3
    申请号:SU3559209
    申请日:1983-02-22
    公开日:1986-12-23
    发明作者:Штаде Курт
    申请人:Аутоматик Аппарате-Машиненбау Х.Хенх Гмбх (Фирма)；
    IPC主号:
    专利说明:

    iO
    15
    11279522
    The invention relates to the reprocessing of plastics and can be used in mechanical engineering.
    The purpose of the invention is the expansion of the technological capabilities of the installation by means of providing intensive mixing when supplying additional filler materials.
    Figure 1 shows the installation, the slit section (one screw closes the other side); figure 2 - section aa on ig.1; on fig.Z - section bb on ig.1.
    The mixing and mixing unit will enclose a casing of two sections 1 and 2 with a longitudinal opening and an outlet opening 3, screws 4 and 5 located in a casing with a constant center-to-center distance Q between them and connected through a shaft 6 with a rotating drive (not shown ). Screws 4 and 5 are mounted with the possibility of engagement and unidirectional rotation for their self-cleaning, and along the screws 25 4 and 5 successively in the direction of the outlet 3 the melting zone 5 and the zone II are mixed and discharged with different numbers of hits and different diameters along the DOR sections of the screws 4 and 5, while the sections of the screws 4 and 5 of larger diameter have a smaller number of visits. The dimensions of the longitudinal opening sections
    II and 2 of the housing are selected according to the diameters of the sections of the screws 4 and 5, but the gap between the ridges of the screw threads of the screws 4 and 5 and the inner surface of the sections 1 and 2 of the housing is kept approximately equal and may be depending on the size of the screws 4 and 50,5 1.5mm. In section 1, an opening 7 is made in the region of the melting zone I for loading the material. In zone 1 of melting there are sections of screws 4 and 5 of smaller diameter with an increased number of entries, and in zone
    II mixing and unloading are located sections of screws 4 and 5 of larger diameter with a reduced number of entries for Q formation in zone II mixing increased compared to the melt zone of the living cross section, and in section 2 of the housing in the portion of zone II mixing and unloading there is an opening 8 for loading additional filler materials. Screws 4 and 5 in areas with an increased number of visits, i.e. in zone T made35
    40
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    O
    five
    9522
    Q 5 About

    Q
    five
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    five
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    foam triple, and in areas with a reduced number of visits in zone II - double. Screws 4 and 5 have mixing elements 9 and 10. Section 1 of the housing has a smaller internal diameter than section 2, which corresponds to the diameter of the sections of screws 4 and 5. Near the outlet 3 there is a hole 11 for removing gases.
    Both screws 4 and 5 (Fig. 2) engage with each other and interact self-cleaning. The screws 4 and 5 leave a live cross section 12 (hatched) relative to the inner surface 13 of the housing section 1 open. This living section at the end of zone J is mostly filled with a plasticizable material. Both screws 4 and 5 (FIG. 3) are also meshed with one another in such a way that they interact self-cleaning. The live cross section 14, left open between the screws 4 and 5 and the inner surface 15 of section 2, is shown by double shading.
    When comparing Figures 2 and 3, it is found that the living cross section 14 with respect to the living cross section 12 is substantially larger, at least 1.5 times, and in the illustrated embodiment example, 2.4 times. In addition, screws 4 and 5 have a minimum broadening of 16 screw ridges, so that a significant increase in the living cross section is obtained by a factor of 2.4.
    An example of the installation (Figures 2 and 3) shows that a significant increase in the living cross section is obtained (by a factor of 2.4) with an increase in the diameter of the hull sections 1 and 2, which will be only a multiple of 1.13.
    The installation works as follows.
    When the screws 4 and 5 are rotated, the material is fed from zone G to zone II until the material is released at the end of the body through the outlet 3 and the extruder nozzle (not shown) passes. The plasticizable material is brought through the opening 7 for loading to the beginning of the screws 4 and 5 and is transported from this place on the basis of its rotation in the direction of zone II, and because of
    3 1279522
    and sections of screws 4 and 5 in the plasticizable material shear forces, so that the al is melted.
    Screws 4 and 5 accommodate pst 8, through which, first of all, the filler which are mixed in s II with plasticized transported augers JQ; for supplying the casing there is a cross section in the region of the zone, which is significant in relation to the river section in j5 This is what we are trying to do in the same way about the blot, but also in the top of the list. The warmer has saved 5 zones, another, and a second one, and the same dock environment is known.
    35
    riyals a significant component of filler materials to the melt produced in zone J. Thanks to two-way spacer elements 10 located in zone II, shear forces are created, which are necessary to further reduce the reprocessing pressure. In the vicinity of the outlet 3 of the outlet, an opening 11 is provided, which serves to remove gases.
    With the help of the installation, it is possible to supply plasticizable masses through the opening 7, as well as through the opening 8, which creates various possibilities for mixing. In addition to the main component of filler materials supplied through the opening 7, these materials are also fed through the opening 7, and a plasticizable mass is additionally introduced through the opening 8. The augers 4 and 5 in the following one after the other zones J and II interlock one with the other. And the other in such a way that the screws 4 and 5 of the corresponding zone interact self-cleaning, and the zone II with a reduced number of entries in relation to the zone I with an increased number of entries has such an increase in the internal opening of the housing and the corresponding screws 4 and 5, which is in zone II with a reduced number of entries; the living cross section (at least 1.5 times) is larger than in the previous zone. In zone I with an increased number of passes, the material being processed is subjected to intensive mixing, after which then in the next zone II with a reduced number of passes through the Hole 8 located in this zone,
    40
    50
    Jq j5
    35
    20 25 ZP
    40
    0
    supplying the desired additives, which in this zone due to the living cross section increased in relation to the preceding zone, find the required place, so that they can be admixed in this zone to the material being processed with virtually no backflow. Such additives can be supplied in significant quantities, which, due to the increased living cross section, immediately find the required free volume. This increase in living river cross section becomes possible due to an increase in the casing and screws 4 and 5 in the zone with a reduced number of entries. Since both zones are supplied with holes 7 and 8 that are loaded independently of one another, the additives can also be supplied partially already in zone 1, namely in zone I with an increased number of entries. In addition, it is also possible that plasticizable components of the processed material are partially introduced through the opening 8 of zone II with a reduced number of entries. Consequently, this method accomplishes each desired variation of the supply of the material being processed and the additives, and the requirement is always maintained that for spaces supplied in Zone II with a reduced number of α-substances, there is a necessary free space in this zone. At the same time, the effect of self-cleaning of screws 4 and 5, which is of particular importance, is also significant, since it leads to the fact that in zone II with a reduced number of visits the casing and sections of screws 4 and 5 with respect to the previous zone are made larger. This increases the living cross section of the zone with a reduced number of entries relative to the zone with a higher number of entries. In the proposed installation, even when most of the additives are supplied, they are not subjected to a significant shear load, because they are only supplied to zone II with a reduced number of entries through the corresponding opening 8, in which, due to the decreased number of entries, there are lower shear forces than in the preceding zone 1 sec. increased number of visits.
    The installation is designed in such a way that the screws in the zone with an increased number of entries are three-entry, and in the zone with a reduced number of entries - dual-entry, which according to experience turned out to be suitable for melting plastifiable masses and dispersing materials, since these masses and materials require enhanced shear forces. In addition, sections with three-thread screws and corresponding driving elements 9 and 10 are especially conveniently attached to the sections with three-thread screws, because the transition from the front to the next zone in relation to the increase in the living cross section creates, with the increased components of the filler material the necessary need for space in the second zone, and also leads in this zone to a degree of filling that is more beneficial for further processing.
    The living cross section of zone II with a reduced number of entries should be at least 1.5 times higher than the living cross section in the preceding zone I. With a smaller value of this value, the installation efficiency is significantly weakened.
    If the screws 4 and 5 are arranged in such a way that in the following one after the other zones the corresponding width of their crests of the coil has the same dimensions, then a particularly large increase in the living cross section of the zone with a reduced number of
    moves in relation to an area with a greater number of visits, which is especially desirable in many cases.
    With the arrangement of the ridges of screws 4 and 5 with a minimum width (depending on screw diameters of about 1.5-4 mm), screws 4 and 5 are designed in such a way that in zone II
    40, when mixing additional filler materials in the melt zone, there are areas of augers of smaller diameter with an increased number of entries, and in zones
    With a reduced number of entries, the living cross section is 45 mixes and unloadings placed well 2.4 times larger than the living cross sections of augers of a larger diameter from the bottom section of the preceding zone.
    reduced number of entries for treatment in the mixing and unloading zone
    This is particularly high if large amounts of filler materials are required to be added. I,
    The masses to be plasticized are predominantly synthetic substances ,. which are softened at a temperature that falls into the mixing and kneading equipment. Instead of plasticizable masses, liquid substances, such as non-saturated polyester, can also be added at room temperature. Of the filler materials as an example, you can specify fiberglass, carbon fiber.
    - Q
    权利要求:
    Claims (2)
    [1]
     CH 11 The invention relates to the processing of plastics and can be used in mechanical engineering. The purpose of the invention is to expand the technological possibilities of the installation by providing intensive mixing when feeding additional filler materials. Figure 1 shows the installation, a longitudinal section (one screw closes the other); figure 2 - section aa in figure 1; on fig.Z - section bb in figure 1. The mixing and mixing unit includes a body of two sections 1 and 2 with a longitudinal hole and an outlet hole 3, screws 4 and 5 located in a body with a constant center-to-center distance Q between them and connected through a shaft 6 with a rotational drive (not shown ). The screws 4 and 5 are mounted with the possibility of engagement and unidirectional rotation for their self-cleaning, and along the screws 4 and 5, the melting zone 5 and the mixing and unloading zone II with a different number of strokes and different diameters along the sections of the screws 4 and 5, while the sections of the screws 4 and 5 of larger diameter have a smaller number of visits. The dimensions of the longitudinal opening of the sections I and 2 of the housing are selected corresponding to the diameters of the sections of the screws 4 and 5, but the gap between the ridges of the screw threads of screws 4 and 5 and the inner surface of the sections 1 and 2 of the housing is kept approximately equal and may be depending on the sizes of the screws 4 and 50,5-1,5mm. In section 1, an opening 7 is made in the region of the melting zone I for loading the material. In the melting zone 1, there are sections of screws 4 and 5 of smaller diameter with an increased number of entries, and in zone II mixing and unloading there are sections of screws 4 and 5 of a larger diameter with a reduced number of entries to form in zone II mixing increased compared to the melting zone a living cross section, and in section 2 of the housing in the area of the mixing and unloading zone II, an opening 8 is made for loading additional filler materials. Screws 4 and 5 in areas with increased number of visits, i.e. in zone T, 2 foams are triple-threaded, and in areas with a reduced number of entries in zone II, double foams. Screws 4 and 5 have splicing elements 9 and 10. Section 1 of the housing has a smaller internal diameter than section 2, which corresponds to the diameter of sections of screws 4 and 5. Near the outlet 3 there is a hole 11 for removing gases. Both screws 4 and 5 (Fig. 2) engage with each other and interact self-cleaning. The screws 4 and 5 leave a live cross section 12 (hatched) relative to the inner surface 13 of the housing section 1 open. This living section at the end of zone J is mostly filled with a plasticizable material. Both screws 4 and 5 (FIG. 3) are also meshed with one another in such a way that they interact self-cleaning. The live cross section 14, left open between the screws 4 and 5 and the inner surface 15 of section 2, is shown by double shading. When comparing Figures 2 and 3, it is found that the living cross section 14 with respect to the living cross section 12 is substantially larger, at least 1.5 times, and in the illustrated example of implementation 2.4 times. In addition, screws 4 and 5 have a minimum broadening of 16 screw ridges, so that a significant increase in the living cross section is obtained by a factor of 2.4. An example of the installation (Figures 2 and 3) shows that a significant increase in the living cross section is obtained (by a factor of 2.4) with an increase in the diameter of the hull sections 1 and 2, which will be only a multiple of 1.13. The installation works as follows. When the screws 4 and 5 are rotated, the material is fed from zone G to zone II until the material is released at the end of the body through the outlet 3 and the extruder nozzle (not shown) passes. The plasticized material is supplied through the loading opening 7 to the beginning of the screws 4 and 5 and is transported from this place on the basis of its rotation in the direction of zone II, and because of the three parts of the spacing 3 1 elements 9 and sections of the screws 4 and 5 are formed in the plasticized material significant shear forces so that this material melts. At the beginning of the screws 4 and 5, another hole 8 is placed through which primarily the filler materials are mixed, which are mixed in the region II with the plasticized material transported by the screws 4 and 5. At the same time, in order to feed the filler materials there is a living transverse zone II. a section substantially increased in relation to the living cross section in the region of zone 1, thereby making it possible to bring relatively large quantities of filler materials, i.e. a significant component of the filler materials, to the melted in the J zone. Due to the two-way spacing elements 10 located in zone II, shear forces are created, which are necessary to further reduce the pressure of the recycled material. In the vicinity of the outlet opening 3 of the outlet, an opening 11 is provided, which serves to remove gases. By means of the installation, it is possible to bring the plasticizable masses through the opening 7, or through the opening 8, which creates various possibilities for mixing. In addition to the main component of filler materials supplied through the opening 7, these materials are also fed through the opening 7, and a plasticizable mass is additionally introduced through the opening 8. The augers 4 and 5 in the following one after the other zones J and II interlock one with the other. In the other way, the augers 4 and 5 of the corresponding zone interact self-cleaning, and zone II with a reduced number of visits in relation to zone I with increased the number of entries has this kind of increase in the internal opening of the housing and the corresponding screws 4 and 5, which is in zone II with a reduced number of entries; the living cross section (at least 1.5 times) is larger than in the previous zone. In zone I with an increased number of visits, the material being processed is subjected to intensive mixing, after which then in the next zone II with a reduced number of visits through the located-in this zone of Hole 8, 22 supply the desired additives, which in this zone due to the increased the cross sections find the required place, so that they can be mixed in this zone with the material to be processed with virtually no backflow. Such additives can be supplied in significant quantities, which, due to the increased living cross section, immediately find the required free volume. This increase in living river cross section becomes possible due to an increase in the casing and screws 4 and 5 in the zone with a reduced number of entries. Since both zones are provided with holes 7 and 8 that are loaded independently of each other, the additives can also be supplied partially already in zone 1, namely in zone I with an increased number of entries. In addition, it is also possible that plasticizable components of the processed material are partially introduced through the opening 8 of zone II with a reduced number of entries. Consequently, this method accomplishes each desired variation of the supply of the material being processed and the additives, and the requirement is always maintained that for spaces supplied in Zone II with a reduced number of α-substances, there is a necessary free space in this zone. At the same time, the effect of self-cleaning of screws 4 and 5, which is of particular importance, is also significant, since it leads to the fact that in zone II with a reduced number of visits the casing and sections of screws 4 and 5 with respect to the preceding zone are made larger. This increases the living cross section of the zone with a reduced number of entries relative to the zone with a higher number of entries. In the proposed installation, even when most of the additives are supplied, they are not subjected to a significant shear load, because they are only supplied to zone II with a reduced number of entries through the corresponding opening 8, in which, due to the decreased number of entries, there are lower shear forces than in the preceding zone 1s increased number of passes. The installation is designed in such a way that the augers in the zone with a larger approach is made three-way, and in the zone with a reduced number of visits, two-way. In addition, sections with three-way screws are especially conveniently connected to areas with two-way screws and corresponding driving elements 9 and 10 because the transition from the front to the next zone with respect to the increase in the living cross section creates, with the increased components, the filler material the need for space in the second zone, and also leads in this zone to a degree of filling that is more beneficial for further processing. The living cross section of zone II with a reduced number of entries must be at least 1.5 times larger than the living cross section in the preceding zone I. With a smaller value of this value, the installation efficiency is significantly weakened. If the screws 4 and 5 are arranged in such a way that in the following one after the other zones the corresponding width of their turn ridges has the same dimensions, then a particularly large increase in the living cross section of the zone with a reduced number of entries relative to the zone with an increased number of entries is obtained, so that many cases are particularly desirable. With the arrangement of the ridges of screws 4 and 5 with a minimum width (depending on screw diameters of approximately 1.5-4 mm), screws 4 and 5 are designed so that in zone II with a reduced number of approaches, the living cross section is 2.4 times the living cross section of the preceding zone. This is particularly high if large amounts of filler materials are required to be added. I, The masses to be plasticized in are predominantly synthetic substances,. which are softened at a temperature that falls into the mixing and kneading equipment. Instead of plasticizable masses, liquid substances, such as non-saturated polyester, can also be added at room temperature. Of the filler materials as an example, you can specify fiberglass, carbon fiber. mineral fillers such as chalk, talc, etc. For the manufacture of masterbatches, dyes, such as titanium dioxide, carbon black, are often used as additives. In addition to solid substances, liquids such as dissolving agents, plasticizers, etc. are used as additive materials. The formula was invented and 1. A continuous mixing and kneading plant for plasticizable masses, comprising a body with longitudinal and outlet openings located in a body with a constant center-to-center distance between them rotary-driven screws mounted with the possibility of engagement and unidirectional rotation for them self-cleaning, with the zones of melting, mixing and unloading with different numbers of entries and different diameters along the section placed along the screws in the direction of the outlet the augers, while the larger diameter screw sections have a smaller number of inserts, the dimensions of the longitudinal bore of the housing are selected with the corresponding diameters of the screw sections, and in the casing in the section of the melting zone there is an opening for loading the material, which is the expense of ensuring intensive mixing with the supply of additional filler materials, in the melting zone there are areas of screws of smaller diameter with an increased number of visits, and in After mixing and unloading, there are areas of larger diameter screws with a reduced number of inserts to form an enlarged compared to the melting area of the living cross section in the mixing and unloading zone, with an opening for loading additional materials in the body in the mixing and unloading area.
    [2]
    2. Installation according to claim 1, characterized in that the screws in the areas with an increased number of visits are made in three-way, and in areas with a reduced number of visits-in two-way.
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    US4823935A|1989-04-25|Apparatus for feeding material to an eccentric-worm pump
    DE1909009A1|1970-09-10|Extruder screw
    同族专利:
    公开号 | 公开日
    ES8400923A1|1983-12-01|
    DE3363994D1|1986-07-17|
    DE3206325C2|1985-10-10|
    EP0087699B1|1986-06-11|
    SU1279522A1|1986-12-23|
    ES519889A0|1983-12-01|
    EP0087699A1|1983-09-07|
    JPS6340646B2|1988-08-12|
    DE3206325A1|1983-09-01|
    JPS5926237A|1984-02-10|
    US4534652A|1985-08-13|
    引用文献:
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    GB1485500A|1974-01-07|1977-09-14|Exxon Research Engineering Co|Process for introducing filamentary reinforcing material into a heat softenable polymeric material and single screw extruder apparatus therefor|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3206325A|DE3206325C2|1982-02-22|1982-02-22|Multi-shaft, continuously working mixing and kneading machine for plasticizable materials|
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