TW200940301A - Filtering device for plastic material - Google Patents

Filtering device for plastic material Download PDF

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Publication number
TW200940301A
TW200940301A TW097109952A TW97109952A TW200940301A TW 200940301 A TW200940301 A TW 200940301A TW 097109952 A TW097109952 A TW 097109952A TW 97109952 A TW97109952 A TW 97109952A TW 200940301 A TW200940301 A TW 200940301A
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TW
Taiwan
Prior art keywords
channel
filter
plastic
clearing
chamber
Prior art date
Application number
TW097109952A
Other languages
Chinese (zh)
Other versions
TWI340690B (en
Inventor
Jia-Zhang Yang
Original Assignee
Royal Steel Plastic Technology Ind Co Ltd
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Priority to TW097109952A priority Critical patent/TW200940301A/en
Publication of TW200940301A publication Critical patent/TW200940301A/en
Application granted granted Critical
Publication of TWI340690B publication Critical patent/TWI340690B/zh

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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
    • B29C48/50—Details of extruders
    • B29C48/69—Filters or screens for the moulding material
    • B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
    • B29C48/6914—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a rotatable or pivotable disc or on the circumference of a rotatable or pivotable cylinder
    • B29C48/6916—Continuously rotating cylindrical filters
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
    • B29C48/273—Cleaning; Purging; Avoiding contamination of filters using back flow
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
    • B29C48/2735—Cleaning; Purging; Avoiding contamination of filters using scrapers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

A filtering device for plastic material comprises: a housing, which forms a chamber, and a material feeding channel, a material discharging channel, and a material clearing channel respectively communicating between the chamber and the outside; a filtering member, which is received in the chamber of the housing and is driven by an external force to rotate in the chamber, the filtering member forming a compartment therein and having a surface forming a plurality of through holes communicating with the compartment; a guiding member, which is fixed to the housing and received in the compartment of the filtering member and which forms a material feeding passage at a location corresponding to the material feeding channel of the housing, a material discharging passage at a location corresponding the material discharging channel of the housing, and a material clearing passage at a location corresponding to the material clearing channel of the housing; a scraping member, which is arranged in the material clearing channel of the housing; and a control valve, which is set at an outlet opening of the material clearing channel of the housing.

Description

200940301 九、發明說明： 【發明所屬之技術領域】 本發明是和塑膠加工機械有關，特別是關於一種塑膠 熔融料的旋轉式過濾裝置，該裝置具有自動逆洗濾網的功 能’可供連續式生產作業使用。 5 【先前技術】 习塑膠料在製程中可能含有雜質，可以濾網過濾去除。 驾用方式是在塑膠押出機的出口位置設一濾網用以過濾熔 融的塑膠料。濾、網使用一段時間後會阻塞，必須清除滤網 1〇或更新，習知是以機械方式自動更換濾網，再以人工清潔 濾網或是更換濾網。若是塑膠料的雜質含量高時，例如生 產回收再利用的塑膠再生料時，經常反覆的清潔更新濾網 會妨礙工作流程的順暢性。 15【發明内容】 本發明之主要目的在於提供一種塑料過濾裝置，其具 有自動逆洗遽網的功能，可供連續生產作業使用者。 為達成上述目的，依據本發明所提供的一種塑料過濾 裝置，包含有：一殼體，具有一腔室，以及一進料槽道、 —出料槽道與一清料槽道，分別與腔室及外界連通；一過 濾件，容置在殼體腔室内，受外力驅動而在腔室内轉動， 過渡件中間具-容室，表面設有多數的穿孔與容室連通。 溶融的塑膠料由進料槽道進人殼體，經過料過濾而流入 過濾件的容室内，並經由出料槽道流出。在過濾件容室内 4 200940301 的熔融塑料在對應清料槽道位置因内、外的壓差，會由容 室内經過過濾件而流往清料槽道，藉此對過濾件進行逆洗 使其濾孔保持通暢。 5【實施方式】 茲舉四實施例配合圖式詳細說明如下： 如第一至十一圖所示，本發明第一實施例的過濾裝置 (10)包含有： 一殼體(20) ’如第三至六圖所示’具有一腔室(21)，以 10及一進料槽道(22)、一出料槽道(23)與一清料槽道(24)，分 別與腔室（21)及外界連通。如第五、六圖所示，腔室(21)呈 圓柱形’進料槽道(22)在殼體(20)的外侧壁形成一圓形的進 料口（221)，在内侧壁形成一扁長斗形的開口(222)。清料槽 道(24)呈長圓柱形，並與腔室(21)以一細長缺口（241)連通， I5殼體(20)在清料槽道(24)的一端形成一清料口(242)，在另一 端形成一樞接穿孔(243)。殼體(20)上並設有多個電熱器（未 圖示）的容置孔(25)。 一過遽件(30) ’如第三、四、七、八、九圖所示，容置 在殼體(20)腔室(21)内，受外力驅動而在腔室(21)内轉動， 2〇過濾件(30)中間具一容室(31)，表面設有多數的穿孔(32)與 容室(31)連通。如第七至九圖所示，過濾件(30)包含有：一 圓桶形的内管件(33)，容室(31)即位於内管件(33)中間，穿 孔(32)設在内管件(33)管壁上；至少一遽網(34)，亦可選用 二或三片甚或更多片的濾'網，例如六片遽網，固定在内管 5 200940301 件(33)的管身上’罩覆在穿孔(32)外，形成更細微的過濾網 孔。本實施例以六條壓條(35)壓鎖固在内管件(33)管身預設 的凹槽(331)上，藉此將濾網(34)嵌壓鎖固定位。 一導引件(40)，如第三、四圖所示，固定在殼體(2〇)而 5容置在過濾件(30)的容室(31)内，對應殼體(2〇)的進料槽道 (22)位置設有一進料引道(41)，對應殼體(2〇)的清料槽道(24) 位置設有一清料引道(42)，對應殼體(20)的出料槽道(23)位 置設有一出料引道(43)。三引道(41)、（42)、（43)在導引件(40) 中間連通；進料引道(41)呈扁長斗形’其形狀與進料槽道(22) 1〇内側端對應相當；清料引道(42)呈狹長斗形，其縱斷面如第 四圖所示’為細長形，其大小對應過濾件(3〇)内管件(33)管 身的穿孔(32)大小，目的在局限流至清料槽道(24)内的炼融 塑料的量。 一刮除件(50) ’設於清料槽道(24)内，用以到除過遽件 15 (30)表面的塑料。如第十圖所示，刮除件(5〇)是一螺旋形的 桿件’其一端(51)可封堵住該清料槽道(24)的清料口(242)， 形成一控制閥門(55)，其另一端(52)自該極接穿孔(243)穿 出，桿身外露端中段設一定位環(53)，在定位環(53)與殼體 (20)之間設一彈簧(54)，使閥門(55)保持常開（如第十一圖 2〇所示），另一端(52)穿設在一驅動裝置(60)的一傳動件(61)， 該傳動件(61)以二軸承(62)裝設在一架體(63)内，傳動件(61) 具一中空的轴孔(611)，及一齒輪部(612)’供與另一齒輪(64) 嚙合、受其傳動而轉動，前述另一端(52)以鍵(521)及鍵槽 (未圖示）的形式容置在傳動件(61)的軸孔(611)，使刮除件 6 200940301 (50)可丈外力傳動而轉動，並可沿其長軸向做反覆的位移。 在架體(63)固定—汽（油）壓缸(65)，其轴桿(651)容置在轴 孔(611)中，並與另一端(52)互頂。當汽（油）壓缸(65)的轴 才干(651)伸長時’會推頂刮除件(5〇)的一端(5丨)往清料口 (242) 5 f向移位並封堵住清料口（242)，使閥門(55)呈封閉狀。當 ' A (油）壓紅(65)的軸桿(651)收縮時，到除件(5〇)受彈簀(54) ❹ 的彈力作用，使其一端(51)退離清料口（242)，使閥門（55) 呈開啟狀態。藉由齒輪的傳動，到除件(5 〇)會在清料槽道(2 4) 中轉動，藉由汽（油）壓虹(65)及彈簧(54)的作動，刮除件 10 (50)可沿其長軸向反覆移位，並使閥門(55)呈開啟或閉合。 如第三圖所示，前述驅動裝置(60)包含一馬達(66)，固定在 架體(63)，藉由心軸驅動一齒輪(67)帶動前述的齒輪(64)轉 動，齒輪(64)軸設一凸伸出架體(63)外的驅動軸(68)，驅動 轴(68)端固設一連接件(69)，連接件(69)上設一鳩尾形的嵌 I5接部(691)’過濾件(30)的内管件(33)外露端(332)則對應設一 © 嵌接槽(333)，可互相嵌接快速定位，再以螺栓鎖固。 如第十一圖所示，熔融的塑膠料由進料槽道(22)流入， 經過濾、件(30)的遽網(34)過遽而流入導引件(4〇)的進料引道 (41)，經由出料引道(43)流至出料槽道(23)而流出殼體(2〇) 20外’部份塑料流經清料引道(42)並由過濾件(3〇)的内部往外 反向穿過過濾件(30)(形成逆洗作用）而流至清料槽道(24) 内。閥門(55)平時保持關閉，整個殼體(20)内將維持常麼， 使機具運作維持穩定。過濾件(30)可連續轉動，或是定格轉 動（即每次轉動一設定角度後停止一設定時間，再轉動相 7 200940301 5200940301 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a plastic processing machine, and more particularly to a rotary filtering device for a plastic melt material, the device having the function of an automatic backwashing filter screen for continuous use Used in production operations. 5 [Prior Art] The plastic material may contain impurities in the process and can be removed by filtration through a strainer. The driving method is to set a filter screen at the exit of the plastic extruder to filter the molten plastic material. After the filter or net is used for a period of time, it will block. The filter must be removed or updated. It is customary to replace the filter automatically by mechanical means, and then manually clean the filter or replace the filter. In the case of high levels of impurities in plastic materials, such as the production of recycled plastic recyclable materials, the frequent re-cleaning of the filter will impede the smoothness of the workflow. 15 [ SUMMARY OF THE INVENTION] A primary object of the present invention is to provide a plastic filtering device having the function of an automatic backwashing net for continuous production operations. In order to achieve the above object, a plastic filtering device according to the present invention comprises: a casing having a chamber, and a feeding channel, a discharging channel and a clearing channel, respectively The chamber is connected to the outside; a filter member is accommodated in the chamber chamber and is driven by the external force to rotate in the chamber. The transition piece has a medium-capacity chamber, and a plurality of perforations are arranged on the surface to communicate with the chamber. The molten plastic material enters the human shell from the feed channel, passes through the material filter and flows into the chamber of the filter member, and flows out through the discharge channel. In the filter chamber 4 200940301, the molten plastic in the corresponding clearing channel position will pass through the filter element and flow to the clearing channel through the inner and outer pressure difference, thereby backwashing the filter. The filter holes remain unobstructed. 5 [Embodiment] The fourth embodiment is described in detail with reference to the following figures: As shown in the first to eleventh drawings, the filtering device (10) of the first embodiment of the present invention comprises: a casing (20) ' Figures 3 to 6 show 'with a chamber (21), 10 and a feed channel (22), a discharge channel (23) and a clear channel (24), respectively, with the chamber (21) Connected with the outside world. As shown in the fifth and sixth figures, the chamber (21) has a cylindrical 'feeding channel (22) forming a circular feed opening (221) on the outer side wall of the casing (20), forming on the inner side wall. A flat, long bucket-shaped opening (222). The clearing channel (24) has a long cylindrical shape and communicates with the chamber (21) with an elongated notch (241), and the I5 housing (20) forms a clearing port at one end of the clearing channel (24) ( 242), forming a pivotal through hole (243) at the other end. A housing (20) is provided with a plurality of receiving holes (25) for an electric heater (not shown). The passing element (30) is housed in the chamber (21) of the casing (20) as shown in the third, fourth, seventh, eighth and ninth views, and is driven by the external force to rotate in the chamber (21). The filter element (30) has a chamber (31) in the middle, and a plurality of perforations (32) are arranged on the surface to communicate with the chamber (31). As shown in the seventh to ninth drawings, the filter member (30) comprises: a cylindrical inner tube member (33), the chamber (31) is located in the middle of the inner tube member (33), and the perforation (32) is provided in the inner tube member ( 33) On the wall of the pipe; at least one wire (34), or two or three or more pieces of filter net, such as six pieces of mesh, can be fixed on the inner tube 5 200940301 (33). The cover is over the perforations (32) to form a finer filter mesh. In this embodiment, six strips (35) are press-locked to the groove (331) of the inner tube member (33), whereby the screen (34) is press-locked and fixed. A guiding member (40), as shown in the third and fourth figures, is fixed in the housing (2〇) and 5 is received in the housing (31) of the filter member (30), corresponding to the housing (2〇) A feeding guide (41) is arranged at the feeding channel (22), and a clearing channel (42) is arranged corresponding to the clearing channel (24) of the casing (2〇), corresponding to the casing (20) A discharge channel (43) is provided at the discharge channel (23). The three approach channels (41), (42), and (43) are connected in the middle of the guide member (40); the feed guide channel (41) has a flat long bucket shape 'its shape and the feed channel (22) 1〇 inside The corresponding end is equivalent; the clearing guide (42) has a long and narrow bucket shape, and its longitudinal section is 'slim' as shown in the fourth figure, and its size corresponds to the perforation of the tubular body (33) inside the filter member (3〇) ( 32) Size, the purpose of limiting the amount of smelting plastic flowing into the clearing channel (24). A scraping member (50) is disposed in the clearing channel (24) for the plastic to remove the surface of the weir 15 (30). As shown in the tenth figure, the scraping member (5〇) is a spiral rod member whose one end (51) can block the clearing port (242) of the clearing channel (24) to form a control. The other end (52) of the valve (55) is pierced from the pole through hole (243), and a positioning ring (53) is arranged in the middle of the exposed end of the shaft body, and is disposed between the positioning ring (53) and the casing (20). a spring (54) to keep the valve (55) normally open (as shown in FIG. 11A), and the other end (52) is disposed through a transmission member (61) of a driving device (60), the transmission The member (61) is mounted in a frame (63) by two bearings (62), the transmission member (61) has a hollow shaft hole (611), and a gear portion (612) is provided for the other gear ( 64) engaging and rotating by the transmission, the other end (52) being received in the shaft hole (611) of the transmission member (61) by a key (521) and a key groove (not shown), so that the scraping member 6 200940301 (50) It can be rotated by external force transmission and can be repeatedly displaced along its long axis. The frame body (63) is fixed with a steam (oil) pressure cylinder (65), and its shaft (651) is housed in the shaft hole (611) and is placed on top of the other end (52). When the shaft of the steam (oil) cylinder (65) is extended (651), one end (5丨) of the top scraping member (5〇) will be displaced toward the clearing port (242) 5 f and blocked. The clearing port (242) is closed so that the valve (55) is closed. When the shaft (651) of the 'A (oil) pressure red (65) contracts, the retaining member (5〇) is subjected to the elastic force of the magazine (54) ,, causing one end (51) to retreat from the clearing port ( 242), the valve (55) is opened. By the transmission of the gear, the removing member (5 〇) will rotate in the clearing channel (2 4), and the scraping member 10 will be scraped by the action of the steam (oil) pressure rainbow (65) and the spring (54) ( 50) It can be displaced repeatedly along its long axis and the valve (55) is opened or closed. As shown in the third figure, the driving device (60) includes a motor (66) fixed to the frame body (63), and a gear (67) is driven by the spindle to drive the gear (64) to rotate. The gear (64) The shaft is provided with a drive shaft (68) protruding from the frame body (63), a connecting member (69) is fixed at the end of the drive shaft (68), and a tail-shaped I5 joint is arranged on the connecting member (69). (691) The inner tube (33) exposed end (332) of the filter element (30) is provided with a © fitting groove (333), which can be fastened to each other and locked by bolts. As shown in Fig. 11, the molten plastic material flows in from the feed channel (22), passes through the filter, and the mesh (34) of the member (30) passes through the feed and flows into the guide member (4〇). Road (41), flowing through the discharge channel (43) to the discharge channel (23) and out of the casing (2〇) 20 outside the 'partial plastic flow through the clearing channel (42) and by the filter element ( The inside of the 3〇) is reversed through the filter element (30) (forming a backwashing action) and flows into the clearing channel (24). The valve (55) will remain closed normally, and the entire housing (20) will remain normal, so that the operation of the machine remains stable. The filter element (30) can be rotated continuously or fixedly rotated (that is, after each rotation of a set angle, a set time is stopped, and then the phase is rotated. 7 200940301 5

10 Ϊ 3圖如Π覆循環)，或是在進料槽道(22)設-力檢測 阻】2 :'槽道内的塑料壓力上升時，即表示濾網有 “ f、時即自動轉動一設定角度，例如第四圖中的 彳進料槽道(22)連接至—新的（或是清潔過的）滤網 品又’即自動更新濾網。該到除件(5〇)可單獨自行運作了亦 可配σ過/慮件(3〇)運作。本實施例是配合一起運作。♦驅 動裝置(60)的馬達(66)轉動、帶動過濾件⑽轉動設定:度 Θ角時’齒輪(64)連動傳動件(61)帶動刮除件(5〇)轉動，^ 過遽件(3G)的表面進行到除作業。在此_，令汽（油）壓 缸(65)做快速的伸縮動作，使其活塞桿(651)快速的頂壓或 退離刮除件(5〇)，使刮除件(5〇)產生軸向的快速位移，同時 4成閥門(55)的快速啟閉，刮除件(5〇)的反覆位移使閥門(55)10 Ϊ 3 figure is like a cover cycle), or when the feed channel (22) is set to - force detection resistance 2: 'The plastic pressure in the channel rises, which means that the filter has "f, then it automatically rotates." Set the angle, for example, the 彳 feed channel (22) in the fourth figure is connected to the new (or cleaned) filter product and the filter is automatically updated. The detachment (5 〇) can be separated. It can be operated by itself or with σ/3 (3〇). This embodiment works together. ♦The motor (66) of the drive unit (60) rotates and drives the filter (10) to rotate. The gear (64) interlocking transmission member (61) drives the scraping member (5〇) to rotate, and the surface of the workpiece (3G) is subjected to the removal operation. Here, the steam (oil) cylinder (65) is made fast. The telescopic action causes the piston rod (651) to quickly press or retreat from the scraping member (5〇), so that the scraping member (5〇) produces axial rapid displacement, and the 4% valve (55) is fast. Open and close, the scraping displacement of the scraping member (5〇) makes the valve (55)

形成同步的快速啟閉，正好令清料槽道(24)内的塑料在一受 控制的情形下限量排出清料口（242)。每當清料槽道(24)内 I5部的壓力降低時，塑料即會由清料引道(42)流至清料槽道 (24) ’並針對正對清料引道(42)位置的過濾件(3〇)的濾網進 行自動逆洗，將阻塞在濾網(34)上的雜質反向沖出網孔外， 在此同時刮除件(5 0)的螺形桿身恰可將該等雜質刮除，而刮 除件(50)除了轉動的刮除動作外，其沿軸向的反覆動作也產 20 生轴向的刮除動作，如此可將濾網徹底的刮除乾淨，達到 徹底清潔的功效。本發明的閥門(55)兼有自動洩壓閥的作 用，當殼體(20)内部塑料壓力高於汽（油）壓缸(65)與彈簧 (54)的作用力時，會使閥門(55)開啟而自動洩壓。又停機時 閥門（55)也是在開啟位置，便於清料。本發明在殼體(20)及 8 200940301 導引件(40)都設有若干電熱器孔(25)，用以容置電熱器（未 圖示）’以維持殼體(20)及導引件(4〇)在設定溫度範圍，使 塑料保持在熔融狀態。 再如第十二圖所示，過濾件（3〇)在管身設有凹槽 5 (331) ’不僅是為了方便安裝鎖固濾網(34)，其同時兼有便 於清料的作用。當進料槽道(22)位置的濾網阻塞時，過濾件 (30)開始旋轉(9角度，此時較大的雜質顆料可能受到殼體 (20)壁面的阻擋而無法隨著濾網同步轉動，被阻擋下來的雜 質（圖中假想線所示，標號A)積聚在進料槽道(22)底端， 10當過濾件(30)的凹槽(331)移動到此等部位時，該等雜質即 受背壓而自動自入凹槽(331)内，並隨著凹槽(331)旋轉而被 f到α料槽道(24)位置，當清料槽道(24)内瞬間壓力下降 時’該等雜質即隨著塑料熱脹而膨脹凸出凹槽(331)外，並 被刮除件(50)自動刮除’本發明過濾件(3〇)上的凹槽(331) U設計實有巧妙的功能。另外，當需要更新濾網(34)時，只需 停機，將驅動裝置(60)往後移，即可將整個過濾件(3〇)拉出 殼體(20)外，解下鎖固螺栓(692)，因為鳩尾形嵌接梓( 的設計，可將過濾件(30)吊起，更換另一新的過濾件3(3〇)， 組回殼體(20)後即可再生產’整個更換作業僅需停機十幾分 2〇 鐘，非常迅速方便。 如第十三圖所示，是本發明第二實施例的過減裝置 (70)，亦包含有：一殼體(71); —過濾件(72); 一刮除件^ 以及一驅動裝置(74)，其與第一實施例的差異點在於：第二 實施例沒有前述的導引件’反之是在财件(72)的腔室内: 9 200940301 :螺桿(75)，另外以一驅動裝置(76)驅動螺桿(75)轉動。螺 桿(75)在過濾件(72)内與過濾件(72)形成反向轉動，或者是 2向差速轉動’―者有強制出料的作用，再者也有内部刮 清過濾、孔的功用。此種機型較適於粗過濾使用。 5 如第十四圖所示，是本發明第三實施例的過濾裝置 (8〇) ’亦包含有：一殼體(81); 一過濾件(82); 一刮除件^83” =及一驅動裴置(84)。其與第一實施例的差異點在於··第三 實施例沒有前述的導引件。此型亦是粗過濾使用。 如第十五圖所示，是本發明第四實施例的過濾裝置 1〇 (90)’亦包含有：一殼體(91); 一過濾件(92); 一刮除件*(93); 一導引件(94);以及一驅動裝置(95)。其與第一實施例的差 異點在於：在導引件(94)的出料引道中設有一螺桿(96)，並 以一驅動裝置(97)驅動。螺桿(96)的作用與第二實施例同。 需加以補充說明的是，第二與第四實施例的螺桿可以 15是另外以一驅動裝置加以驅動，或是就以驅動過濾件轉動 的驅動裝置加以驅動’後者只需要利用齒輪等傳動機構(98) 將動力傳給螺桿即可，例如第十六圖所示，是第四實施例 中’螺桿(96)藉由驅動裝置(95)驅動的結構示意圖。 如第十七圖所示，是本發明的過濾裝置串聯使用的示 20意圖，是將第二實施例的過濾裝置(70)與第一實施例的過濾 裝置（10)組合在一起，使塑料先經過粗過濾再進行細過遽， 同理’本發明的過濾裝置亦可三部或是四部串聯使用，端 視使用者的需求而定。 10 200940301 【圖式簡單說明】 第一圖是本發明第一實施例的頂視圖。 第二圖是本發明第一實施例的正視圖。 第三圖是沿第二圖中3-3剖線的剖視圖。 5 第四圖是沿第一圖中4-4剖線的剖視放大圖。 . 第五圖是第三圖中殼體的放大視圖。 第六圖是沿第五圖中6-6剖線的剖視圖。 ® 第七圖是第三圖中過濾件的外觀圖。 第八圖是沿第七圖中8-8剖線的剖視圖。 10 第九圖是沿第七圖中9-9剖線的剖視圖。 第十圖是第三圖中刮除件部位的放大視圖。 第十一圖第一實施例的操作示意圖。 第十二圖概同於第四圖，顯示過遽件凹槽清料的動作。 第十三圖是第二實施例的結構示意圖。 15 第十四圖是第三實施例的結構示意圖。 ❹ 第十五圖是第四實施例的結構示意圖。 第十六圖是第四實施例的驅動裝置的另一變化例。 第十七圖是本發明的過濾裝置串聯使用的示意圖。 【主要元件符號說明】 過濾裝置(10) 進料槽道(22) 出料槽道(23) 細長缺口（241) 殼體(20) 進料口 (221) 清料槽道(24) 清料口 (242) 腔室（21) 開口 (222) 樞接穿孔(243) 11 20 200940301The simultaneous rapid opening and closing is formed so that the plastic in the clearing channel (24) exits the clearing port (242) at a lower limit in a controlled manner. Whenever the pressure in section I5 of the clearing channel (24) is reduced, the plastic will flow from the clearing channel (42) to the clearing channel (24)' and for the position of the clearing channel (42) The filter element (3〇) of the filter screen is automatically backwashed, and the impurities blocked on the filter screen (34) are reversely punched out of the mesh hole, and at the same time, the screw-shaped shaft of the scraping member (50) is just The impurities can be scraped off, and in addition to the rotating scraping action, the scraping member (50) also produces a 20-axis axial scraping action in the axial direction, so that the filter can be completely scraped off. Clean and thoroughly cleaned. The valve (55) of the present invention functions as an automatic pressure relief valve. When the plastic pressure inside the casing (20) is higher than the force of the steam (oil) cylinder (65) and the spring (54), the valve (the valve) 55) Open and automatically relieve pressure. When the machine is stopped, the valve (55) is also in the open position for easy material clearing. In the present invention, the housing (20) and the 8200940301 guiding member (40) are provided with a plurality of electric heater holes (25) for accommodating an electric heater (not shown) to maintain the housing (20) and guide. The piece (4〇) is in the set temperature range to keep the plastic in a molten state. As shown in Fig. 12, the filter member (3〇) is provided with a recess 5 (331) ′ in the tube body not only for the convenience of mounting the lock screen (34), but also for facilitating the cleaning. When the filter screen at the position of the feed channel (22) is blocked, the filter element (30) starts to rotate (9 angles, at which time the larger impurity particles may be blocked by the wall of the casing (20) and cannot follow the filter screen. Simultaneously rotating, the blocked impurities (shown by the imaginary line in the figure, reference numeral A) accumulate at the bottom end of the feed channel (22), 10 when the groove (331) of the filter member (30) moves to these portions The impurities are automatically self-entered into the groove (331) by back pressure, and are f to the position of the alpha channel (24) as the groove (331) rotates, as in the clearing channel (24) When the instantaneous pressure drops, the impurities expand outside the convex groove (331) as the plastic expands, and the scraping member (50) automatically scrapes off the groove on the filter member (3) of the present invention ( 331) The U design has a clever function. In addition, when it is necessary to update the filter (34), it is only necessary to stop the drive unit (60) and move the entire filter element (3〇) out of the housing. (20) In addition, remove the locking bolt (692), because the design of the dovetail fitting 梓 (can be lifted, the filter element (30) can be lifted, replaced with another new filter 3 (3〇), the group is returned to the shell After the body (20) can be re-produced 'the whole replacement It only needs to be shut down for more than ten minutes and 2 minutes, which is very quick and convenient. As shown in the thirteenth embodiment, the over-subtracting device (70) of the second embodiment of the present invention also includes: a casing (71); (72); a scraping member ^ and a driving device (74), which differs from the first embodiment in that the second embodiment does not have the aforementioned guiding member 'instead of being in the cavity of the financial member (72) Indoor: 9 200940301: Screw (75), in addition, a driving device (76) drives the screw (75) to rotate. The screw (75) forms a reverse rotation with the filter member (72) in the filter member (72), or 2 To the differential rotation, the person has the function of forced discharge, and the internal scraping filter and the hole function are also used. This type of machine is more suitable for coarse filtration. 5 As shown in the fourteenth figure, it is the invention. The filter device (8〇) of the third embodiment also includes: a casing (81); a filter member (82); a scraping member ^83" = and a driving device (84). The difference between the embodiments is that the third embodiment does not have the aforementioned guide member. This type is also used for coarse filtration. As shown in the fifteenth embodiment, the filter device of the fourth embodiment of the present invention is 90)' also includes: a casing (91); a filter member (92); a scraping member * (93); a guide member (94); and a driving device (95). The difference between the embodiments is that a screw (96) is provided in the discharge guide of the guide member (94) and driven by a driving device (97). The screw (96) functions in the same manner as the second embodiment. It is to be noted that the screws 15 of the second and fourth embodiments can be driven by a driving device or by a driving device for driving the filter member to rotate. The latter only needs to use a gear mechanism such as a gear (98). The power can be transmitted to the screw, for example, as shown in Fig. 16, which is a schematic structural view of the screw (96) driven by the driving device (95) in the fourth embodiment. As shown in Fig. 17, it is intended that the filter device of the present invention is used in series, and the filter device (70) of the second embodiment is combined with the filter device (10) of the first embodiment to make plastic After coarse filtration and finer boring, the filter device of the present invention can also be used in three or four series, depending on the needs of the user. 10 200940301 [Simplified description of the drawings] The first figure is a top view of the first embodiment of the present invention. The second drawing is a front view of the first embodiment of the present invention. The third figure is a cross-sectional view taken along line 3-3 of the second figure. 5 The fourth figure is an enlarged cross-sectional view taken along line 4-4 of the first figure. The fifth figure is an enlarged view of the housing in the third figure. The sixth drawing is a cross-sectional view taken along line 6-6 of the fifth figure. ® Figure 7 is an external view of the filter in Figure 3. The eighth figure is a cross-sectional view taken along line 8-8 of the seventh figure. 10 The ninth diagram is a cross-sectional view taken along line 9-9 of the seventh figure. The tenth figure is an enlarged view of the scraping member portion in the third figure. Fig. 11 is a schematic view showing the operation of the first embodiment. The twelfth figure is the same as the fourth figure, showing the action of clearing the groove of the element. The thirteenth drawing is a schematic structural view of the second embodiment. 15 Figure 14 is a schematic view showing the structure of the third embodiment. ❹ The fifteenth diagram is a schematic structural view of the fourth embodiment. Fig. 16 is another modification of the driving device of the fourth embodiment. Figure 17 is a schematic illustration of the use of the filtration device of the present invention in series. [Main component symbol description] Filter device (10) Feed channel (22) Discharge channel (23) Slender notch (241) Housing (20) Feed port (221) Clearing channel (24) Clearing material Port (242) Chamber (21) Opening (222) Piercing Piercing (243) 11 20 200940301

1010

容置孔(25) 過濾件(30) 容室(31) 穿孔(32) 内管件(33) 凹槽(331) 外露端(332) 嵌接槽(333) 濾網(34) 壓條(35) 導引件(40) 引道(41)、（42) '(43) 刮除件(50) 一端(51)、（52) 鍵(521) 定位環(53) 彈簣(54) 閥門(55) 驅動裝置(60) 傳動件(61) 軸孔(611) 齒輪部(612) 軸承(62) 架體(63) 齒輪(64) 汽（油）壓缸(65) 軸桿(651) 馬達(66) 齒輪(67) 驅動軸(68) 連接件(69) 嵌接部(691) 鎖固螺栓(692) 過濾裝置(70) 殼體(71) 過濾件(72) 刮除件(73) 驅動裝置(74) 螺桿(75) 驅動裝置(76) 過濾裝置(80) 殼體(81) 過濾件(82) 刮除件(83) 驅動裝置(84) 過濾裝置(90) 殼體(91) 過濾件(92) 刮除件(93) 導引件(94) 驅動裝置(95) 螺桿(96) 驅動裝置(97) 傳動機構(98) 12 20Accommodating hole (25) filter element (30) chamber (31) perforation (32) inner tube (33) groove (331) exposed end (332) engagement groove (333) filter (34) bead (35) Guide (40) Approach (41), (42) '(43) Scraper (50) One end (51), (52) Key (521) Positioning ring (53) Magazine (54) Valve (55 Drive (60) Transmission (61) Shaft (611) Gear (612) Bearing (62) Frame (63) Gear (64) Steam (oil) cylinder (65) Shaft (651) Motor ( 66) Gear (67) Drive shaft (68) Connection (69) Engagement (691) Locking bolt (692) Filter unit (70) Housing (71) Filter element (72) Scraper (73) Drive Device (74) Screw (75) Drive (76) Filter (80) Housing (81) Filter (82) Scraper (83) Drive (84) Filter (90) Housing (91) Filter (92) Scraper (93) Guide (94) Drive (95) Screw (96) Drive (97) Drive (98) 12 20

Claims (1)

200940301 十、申請專利範圍： 1. 一種塑料過濾裝置，包含有： 一殼體，具有一腔室，以及一進料槽道、一出料槽道 與一清料槽道，分別與腔室及外界連通； 一過濾件’容置在殼體腔室内，受外力驅動而在腔室 5内轉動’過濾件中間具一容室，表面設有多數的穿孔與容 室連通； ❹ 一導引件’固定在殼體而容置在過濾件的容室内，對 應殼體的進料槽道位置設有一進料引道，對應殼體的出料 槽道位置設有一出料引道，對應殼體的清料槽道位置設有 10 一清料引道。 2.依據申請專利範圍第1項所述之塑料過渡裝置，其 中在殼體的清料槽道設有一控制閥門，受控制而自動 ” 或關閉清料槽道。 15 3.200940301 X. Patent application scope: 1. A plastic filtering device comprising: a casing having a chamber, and a feeding channel, a discharging channel and a clearing channel, respectively, and the chamber and The outside of the filter; a filter member 'accommodated in the housing chamber, driven by an external force to rotate in the chamber 5' filter element has a chamber in the middle, the surface is provided with a plurality of perforations and the chamber is connected; ❹ a guide Fixed in the housing and accommodated in the chamber of the filter member, a feed guide channel is arranged at the position of the feed channel of the corresponding housing, and a discharge guide channel is provided at the position of the discharge channel of the corresponding housing, corresponding to the housing There is a clearing channel for the clearing channel. 2. A plastic transition device according to the scope of claim 1, wherein a control valve is provided in the clearing channel of the housing, controlled automatically to close the clearing channel. 依據申請專利範圍第2項所述之塑料過減求置 中該清料槽道内設有一刮除件，用以到除過濾件^面’其 料。 W 塑 4. 依據申請專利範圍第3項所述之塑料過濾裝 中該刮除件受外力驅動而與過濾件形成相對移動"*。，其 5. 依據申請專利範圍第4項所述之塑料過減 20中該殼體的清料槽道呈長形，該刮除件呈長形=办置，其 料槽道中，受外力驅動而轉動。 各置在凊 6. 依據申請專利範圍第4項所述之塑料過濾 中該殼體的清料槽道呈長形，該到除件呈長形 & 其 料槽道中，受外力驅動而可沿長軸向反覆移動"。今置在清 13 200940301 忖殼^ 摘述之轉職裝置，其 而轉動’並可沿長軸向反覆移動。 8.依據中料利範圍第3項所述之 Ο ίο 15 =殼體的清料槽道具有一清料口，該刮除件二局部部ς °封堵住該清料口，而形成前述的控制閥門。…° 中軸4娜娜罐置，其 中兮專利顧第1項所述之塑料魏裝置，其 2韻件包含有：-内管件，其管身設衫數的穿孔； 主夕一濾網，包覆固定在内管件外侧。 U·依據申請專利範圍第10項所述之塑料過遽裝置’ "、中該過濾件的管身設有至少一凹槽。 12.依據申請專利範圍第u項所述之塑料過濾裝置， ，中該過濾件的濾網是以壓條嵌壓鎖固在前述的=槽中而 定位。 13. 依據申請專利範圍第1項所述之塑料過濾裝置，其 中該殼體設有加熱件保溫。 14. 依據申請專利範圍第1項所述之塑料過请詈，立 扣中在導引件的出料引道中設有一螺桿，受而轉 動將導引件中的炼融塑料由出料引道經由出料流道導出 毅體外。 15. —種塑料過濾裝_置，包含有： 一殼體，具有一腔室，以及一進料槽道、一出料槽道 14 200940301 與一清料槽道，分別與腔室及外界連通； 過濾'件’谷置在殼體腔室内，受外力驅動而在腔室 内轉動’過料中間具—容室，表㈣有多數的穿孔與容 室連通； 5 10 15 20 一螺桿，設於過濾件的容室中，受外力驅動而在過濾 件:轉動’將由進料槽道經過過遽件過濾而流入過濾、件中 間谷至内的熔融塑料，經由出料槽道導出。 Μ.依據申請專利範圍第15項所述之塑料過濾裝置， 道設有—控制閥門，受控制而自動開啟或關 17.依據申請專利範圍第16項所述之塑料過濾裝置， =該清料槽道内設有—刮除m猶過濾件表面的 .依據u利範圍第17項所述之塑料過滅裝置， 、中該刮除件受外力驅動而與猶件形成相對移動。 |中據1 請專利範圍第18項所述之塑料過遽裝置， 清料動該刮除件呈長形’容置在 其，置’ 清料槽道中，受外力媒動而可沿長上件^ 21.依據申請專利範圍第18項 :中該殼體的清料槽道呈長形，該:過气置’ 清料槽道中，餅力购而料，並可/長^容移置動在 15 200940301 1中射請專利範圍第17項所述之塑料過遽裝置， ς =體的清主料槽道具有一清料口，該到除件的局部部 、堵住該清料口，而形成前述的控制閥門。 23.依射請專利範圍第18項所述之塑料過滤裝置， 丹Τ該刮除件呈螺桿形。 依據申請專利範圍帛ls項所述之塑料過遽裝 乂該過遽件包含有：1管件，其管身設有多數二穿孔； 至^一濾網，包覆固定在内管件外側。 25. 依據申請專利範圍第24項所述之塑料過濾裝置， 其中該過遽件的管身設有至少一凹槽。 26. 依據申請專利範圍第25項所述之塑料過濾裝置， ，中該過濾件的濾網是以壓條嵌壓鎖固在前述的凹槽中而 定位。 2?·依據申請專利範圍第15項所述之塑料過遽裝置， 龜15其中該殼體設有加熱件保溫。 28. —種塑料過濾襞置，包含有： 一殼體，具有一腔室，以及一進料槽道、一出料槽道 與一清料槽道，分別與腔室及外界連通； 一過濾件，容置在殼體腔室内’受外力驅動而在腔室 2〇内轉動，過濾件中間具一容室，表面設有多數的穿孔與容 室連通； ~ 一控制閥門’設於殼體的清料槽道’受控制而自動開 啟或關閉清料槽道。 ^ 29. 依據申請專利範圍第28項所述之塑料過濾裝置， 16 200940301 該清料槽道内設有一刮除件，用以刮除過濾件表面的 5 10 15 20 30.依據申請專利範圍第29項所述之塑料過濾裴置， 其中該到除件受外力驅動而與過濾件形成相對移動。 1.依據申明專利範圍第3〇項所述之塑料過濟裝 ，殼體的清料槽道呈長形，該刮除件呈長形=在 清料槽道中，受外力驅動而轉動。 32. 依據申请專利範圍第3〇項所述之塑料過濾裝置， 清料槽道呈長形，該刮除件呈長形，容置在 /月料槽道中’ f外力轉而可沿長軸向反覆移動。 33. 依據申請專利範圍第3〇項之 ^純_清_道呈長形，該刮除件呈長开m 4槽道中，受外力驅動而轉動，並可沿絲向反覆移動。 34. 依據申請專利範圍第29項所述之塑料過濾装置， 其中該殼體的清_道具有—清料σ，該刮除件^部部 立可封堵住該清料口，而形成前述的控制閥門。 35. 依據申請專利範圍第3〇項所述之塑料過濾装置， 其中該刮除件呈螺桿形。 ^ 36·依據申請專利範圍第28項所述之塑料過遽裝置， ^該過濾件包含有：―内管件，其管身設有多數的穿孔； 至父一濾網，包覆固定在内管件外側。 37. 依據申請專職圍第36項所述之塑料過遽裝置， 其中該過濾件的管身設有至少一凹槽。 38. 依據申請專利範圍第37項所述之塑料過濾裝置， 17 200940301According to the plastic over-reduction method described in item 2 of the patent application scope, a scraping member is disposed in the cleaning channel for removing the filter member. W plastic 4. The plastic filter according to item 3 of the patent application scope is driven by an external force to form a relative movement with the filter member. 5. According to the plastic over-reduction 20 described in item 4 of the patent application scope, the clearing channel of the casing is elongated, the scraping member is elongated = the device is disposed, and the material is driven by the external force. And turn. The cleaning channel of the casing is elongated in the plastic filtering according to the fourth aspect of the patent application scope, and the removing member is elongated and is driven by an external force. Move along the long axis " This is placed in Qing 13 200940301 忖 ^ ^ The transfer device, which is rotated, can be moved back and forth along the long axis. 8. According to item 3 of the middle material range Ο ί ί 15 = the clearing trough prop of the casing has a clearing port, and the scraping part 2 partially blocks the clearing port to form the aforementioned Control the valve. ...° Axis 4 Nana cans, of which the plastic Wei device described in Item 1 of the patent, the 2 rhyme pieces include: - inner pipe fittings, the pipe body has a number of perforations; the main eve a filter net, package The cover is fixed to the outside of the inner tube. U. The plastic filter device according to claim 10, wherein the body of the filter member is provided with at least one groove. 12. The plastic filtering device according to claim 5, wherein the filter screen of the filter member is positioned by press-fitting in the aforementioned groove. 13. The plastic filtering device of claim 1, wherein the housing is provided with a heating element for heat preservation. 14. According to the plastic application according to item 1 of the patent application scope, a screw is arranged in the discharge guide of the guide member in the vertical buckle, and the molten plastic in the guide member is rotated and guided. The outside of the body is derived via the discharge channel. 15. A plastic filter device comprising: a housing having a chamber, and a feed channel, a discharge channel 14 200940301 and a clearing channel, respectively communicating with the chamber and the outside The filter 'piece' is placed in the housing chamber, driven by an external force to rotate in the chamber, the 'intermediate intermediate-capacity chamber, and the table (4) has a plurality of perforations communicating with the chamber; 5 10 15 20 a screw, disposed in the filter In the chamber, driven by an external force, the filter member: rotates the molten plastic that will be filtered by the feed channel through the filter and flows into the filter, the middle valley of the piece, and is led out through the discharge channel. Μ. According to the plastic filter device described in claim 15 of the patent application, the channel is provided with a control valve that is automatically opened or closed under control. 17. The plastic filter device according to claim 16 of the patent application scope, = the clear material The plastic passage extinguishing device according to item 17 of the U.S. scope is provided in the channel, and the scraping member is driven by an external force to form a relative movement with the jug. 1 According to the patent, please refer to the plastic smashing device described in Item 18 of the patent scope. The scraping member is elongated in its shape and placed in the clearing channel, which can be driven by external force. Item ^ 21. According to the scope of claim 18: The clearing channel of the casing is elongated, and the: the gas is placed in the 'cleaning channel, the cake is purchased, and the length can be displaced. In the case of the plastic smashing device described in Item 17 of the patent scope, the 主 = body clearing trough prop has a clearing port, which is to the partial part of the removing piece and blocks the clearing port. The aforementioned control valve is formed. 23. According to the plastic filtering device described in Item 18 of the patent, the scraping member is in the shape of a screw. The plastic over-loading device according to the patent application scope 帛 ls includes: 1 pipe member, the pipe body is provided with a plurality of two perforations; and the filter mesh is fixed to the outside of the inner pipe member. 25. The plastic filtering device of claim 24, wherein the tubular body of the filter is provided with at least one groove. 26. The plastic filtering device according to claim 25, wherein the filter mesh of the filter member is positioned by press-fitting the groove in the aforementioned groove. 2? The plastic filter device according to claim 15, wherein the turtle 15 is provided with a heating member for heat preservation. 28. A plastic filter device comprising: a housing having a chamber, and a feed channel, a discharge channel and a clear channel, respectively communicating with the chamber and the outside; The piece is accommodated in the housing chamber and is driven by an external force to rotate in the chamber 2, the filter member has a chamber in the middle, and a plurality of perforations are arranged on the surface to communicate with the chamber; ~ a control valve is disposed in the housing The clearing channel is controlled to automatically open or close the clearing channel. ^ 29. According to the plastic filter device of claim 28, 16 200940301 A scraping member is provided in the clearing channel for scraping the surface of the filter member 5 10 15 20 30. According to the patent application scope 29 The plastic filtering device of the item, wherein the removing member is driven by an external force to form a relative movement with the filter member. 1. According to the plastic over-loading device of the third aspect of the patent application, the clearing channel of the casing is elongated, and the scraping member is elongated = in the clearing channel, driven by an external force to rotate. 32. According to the plastic filtering device described in the third paragraph of the patent application, the clearing channel is elongated, and the scraping member is elongated, and is accommodated in the /month channel, and the external force is turned along the long axis. Move to repeat. 33. According to the third paragraph of the patent application, the pure _ clear _ road is elongated, the scraping member is in the long open m 4 channel, is driven by external force to rotate, and can move along the wire direction. The plastic filter device according to claim 29, wherein the clearing passage of the casing has a clearing material σ, and the scraping member portion can block the cleaning opening to form the foregoing Control valve. The plastic filtering device according to claim 3, wherein the scraping member has a screw shape. ^ 36. The plastic filter device according to claim 28, wherein the filter member comprises: an inner tube member having a plurality of perforations in the tube body; and a parent filter screen covering the inner tube member Outside. 37. The plastic filter device of claim 36, wherein the filter body has at least one recess. 38. Plastic filter device according to item 37 of the patent application, 17 200940301 其中該過濾件的濾網是以壓條嵌壓鎖固在前述的凹槽中而 定位。 39.依據申請專利範圍第28項所述之塑料過濾裝置， 其中該殼體設有加熱件保溫。 18The filter screen of the filter member is positioned by being pressed and clamped in the aforementioned groove. 39. The plastic filtering device of claim 28, wherein the housing is provided with a heating element for holding. 18
TW097109952A 2008-03-20 2008-03-20 Filtering device for plastic material TW200940301A (en)

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