WO2012009992A1 - 塑料薄膜挤干机 - Google Patents

塑料薄膜挤干机 Download PDF

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Publication number
WO2012009992A1
WO2012009992A1 PCT/CN2011/073016 CN2011073016W WO2012009992A1 WO 2012009992 A1 WO2012009992 A1 WO 2012009992A1 CN 2011073016 W CN2011073016 W CN 2011073016W WO 2012009992 A1 WO2012009992 A1 WO 2012009992A1
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Prior art keywords
friction
wall
barrel
resistant
disc
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PCT/CN2011/073016
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English (en)
French (fr)
Inventor
郑勇
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张家港市联达机械有限公司
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Publication of WO2012009992A1 publication Critical patent/WO2012009992A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the invention relates to the field of plastic recycling technology, in particular to a dehydration drying device for plastic film.
  • the drying process is: putting plastic film fragments into a large centrifugal dewatering machine, generating centrifugal force under the high-speed rotation of the large centrifugal dewatering machine to achieve preliminary dewatering, and the suction fan blows the hot film generated by the initially dehydrated plastic film fragments and the high-power heater. Inhaled and mixed, then blown into the drying pipe and the collection bin, and further dried during the conveying process.
  • the disadvantages are: poor drying effect, high energy consumption, high noise, high equipment failure rate, high maintenance and repair cost, and large floor space.
  • An object of the present invention is to provide a film squeezer which can improve the drying effect and reduce the cost.
  • a film squeezing machine comprising a barrel having a feeding port, a screw conveying rod disposed in the inner cavity of the barrel, and the screw conveying rod comprises the same barrel a shaft body and a spiral blade on the rod body, the barrel wall is provided with a drainage hole, one end of the screw conveying rod is connected with a driving device outside the barrel, and the other end of the screw conveying rod is extended to the outside of the barrel And through a bearing is rotatably supported, one end of the barrel is fixedly connected with the friction material outer disc of the material, and the spiral conveying rod is fixedly connected with a friction material inner disc, and the friction inner disc is located inside the outer disc of the friction material, and the friction is blocked.
  • An annular passage is formed between the inner wall of the outer disc and the outer wall of the inner ring of the resistive friction.
  • the width of the passage is smaller than the distance between the outer surface of the rod of the screw conveying rod and the inner wall of the barrel, and one end of the passage is connected to the inner cavity of the barrel.
  • the other end of the passage is a material outlet, and at least one friction block for the friction material is disposed inside the passage, and the friction block is fixed on the inner wall of the friction outer disc or the friction material The outer wall of the inner tray.
  • the friction-resistant outer disk is a hollow truncated cone structure
  • the friction-resistant inner disk has a truncated cone shape, and the passage formed between the inner wall of the friction-resistant outer disk and the outer wall of the friction-resistant inner disk is flared.
  • the end of the friction-resistant inner disc is provided with a screw hole that cooperates with the rod body of the screw conveying rod, and the material-resistant friction inner disc is fixed on the screw conveying rod through the screw hole set.
  • the friction material outer disc is connected with the discharge cylinder, the material outlet of the passage is connected with the inside of the discharge cylinder, and the lower part of the discharge cylinder is a discharge port, and the bearing for supporting the screw conveying rod is fixed to the discharge cylinder. On the outer wall, the other end of the screw conveyor rod is disposed inside the bearing.
  • the driving device comprises a motor, the output shaft of the motor is provided with a driving pulley, the driving pulley is connected with a driven pulley through a belt, the driven pulley is arranged on the input shaft of the reduction gear box, the transmission shaft of the reduction gear box and the screw conveying rod Connected by a coupling between them.
  • the barrel is provided with a feed hopper, and the upper part of the feed hopper is a feed port.
  • the film squeezer further comprises a frame, the barrel is disposed on the frame, and the frame is further provided with a bearing seat, the bearing seat is connected to the barrel, and one end of the screw conveying rod passes through the bearing seat and It is rotatably supported by the bearing housing.
  • the invention has the beneficial effects that: when the screw conveying rod rotates to transport the plastic film fragments to the material outlet, the plastic film fragments are squeezed and dried in the passage between the inner wall of the friction preventing outer disc and the outer wall of the friction preventing inner disc.
  • the heat is frictionally generated by the friction block in the channel, and the plastic film fragments are simultaneously heated and dried, and the double action of squeezing and drying makes the drying effect better; and the film squeezing machine of the present invention has low energy consumption and low noise. Easy maintenance and small footprint.
  • Figure 1 is a front view showing the structure of the film squeeze dryer of the present invention
  • Figure 2 is an enlarged schematic view showing the frictional outer disk of the resisting material and the inner portion of the friction-resistant inner disk of Figure 1;
  • the film squeezing machine comprises a frame 1 , and an organic cylinder 2 is arranged on the frame.
  • the wall of the barrel 2 is densely covered with a drainage hole, and the barrel 2 is provided with a feeding hopper 3 and a feeding hopper 3
  • the upper part is the feeding port 4, one end of the barrel 1 is connected with the bearing housing 5, the bearing housing 5 is fixedly connected with the frame 1, and the inner movement of the barrel 2 is provided with a screw conveying rod 6, and the screw conveying rod 6
  • One end of the movable body is disposed inside the bearing housing 5, and is connected to a driving device located outside the bearing housing 5.
  • the driving device includes a motor 7 fixed on the frame 1.
  • the output shaft of the motor 7 is provided with a driving pulley 8, a driving pulley 8 is connected to the driven pulley 11 through the belt 9, the driven pulley 11 is arranged on the input shaft of the reduction gearbox 10, and the transmission shaft of the reduction gearbox 10 and the screw conveying rod 6 are connected by a coupling 12, the motor 7 And the reduction box 10 is fixed on the frame 1, and the other end of the barrel 2 is connected with the friction-resistant outer disk 14.
  • the friction-resistant outer disk 14 is a hollow frustoconical structure.
  • the inside of the material-resistant friction outer disk 14 is provided with a material-resistant friction inner disk 15, and the resistance of the material is rubbed
  • the disc 15 has a conical structure, and the inside of the resisting friction inner disc 15 has a screw hole 16 matched with the screw conveying rod 6, and the resisting friction inner disc 15 is fixed on the screw conveying rod 6 through the screw hole 16 to block the friction outer disc 14
  • An annular passage 17 is formed between the inner wall and the outer wall of the friction-resistant inner disk 15. The one end of the passage 17 communicates with the inside of the barrel 2.
  • the inside of the passage 17 is evenly provided with twelve friction blocks 18 in the circumferential direction.
  • the inner wall of the friction outer disk 14 and the outer wall of the friction-resistant inner disk 15 are respectively uniformly provided with six friction blocks 18 in the circumferential direction, and the resistance friction outer disk 14 is connected to the discharge cylinder 19, and the other end of the passage 17
  • the lower portion of the discharge cylinder 19 is in communication with the inside of the discharge cylinder 19, and the bearing 13 is fixed to the outer wall of the discharge cylinder 19, and the other end of the screw conveyor rod 6 is disposed inside the bearing 13.
  • the working principle of the invention is that the plastic film fragments are continuously placed in the feeding port 4 of the feeding hopper 3, the motor 7 drives the passive pulley 11 to rotate through the belt 9, and the transmission shaft of the reduction gearbox 10 drives the screw conveying through the coupling 12.
  • the rotation of the screw conveying rod 6 causes the plastic film fragments to be conveyed in the direction of the discharge port 20.
  • the passage 17 between the outer disc 14 and the resisting friction inner disc 15 is narrow due to the resistance of the material, along with the plastic
  • the plastic film fragments accumulate in the barrel 2, forming a pressure.
  • the water in the plastic film fragments is squeezed out and flows out from the drainage holes on the wall of the barrel 2.
  • the rotation of the screw conveying rod 6 drives the rotation of the resisting friction inner disc 15, and the friction block 18 located on the outer wall of the inner friction disc 15 is also With the rotation, the plastic film fragments located in the passage 17 are heated by the friction of the friction block 18 on the outer wall of the resistive friction inner disc 15 and the inner wall of the resist friction outer disc 14, thereby making the plastic thin. Further evaporation of moisture in the chips, so that the plastic film fragments dried, the plastic film fragments after drying from the other end of the passage 17 is extruded into the cartridge 20 after the discharge from the discharge port 19.
  • the invention has the beneficial effects that the plastic film fragments are double-dried by squeezing and drying, and the drying effect is better; the film squeezing machine of the invention has low energy consumption, low noise, convenient maintenance and small floor space.

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  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Drying Of Solid Materials (AREA)

Description

[根据细则37.2由ISA制定的发明名称]　塑料薄膜挤干机
技术领域
本发明涉及到塑料回收再生技术领域，尤其涉及一种塑料薄膜的脱水干燥设备。
背景技术
近年来，国内外塑料制品的应用范围越来越广泛。但是废弃的塑料不易腐烂，会严重影响人类的生态环境，于是人们开始将废弃的塑料进行回收后重复利用。但是重复利用前必须将废弃的塑料粉碎成塑料薄膜碎片后，经过清洗和干燥才行。现在塑料薄膜碎片清洗后的干燥主要是用大型离心脱水机进行脱水与大功率加热***进行烘干的组合干燥方式。其干燥流程是：将塑料薄膜碎片放入大型离心脱水机，在大型离心脱水机的高速旋转下产生离心力实现初步脱水，吸料风机把初步脱水后的塑料薄膜碎片与大功率加热器产生的热风吸入混合，然后吹到干燥管道和集料仓内，在输送的过程中进一步干燥。其缺点是：干燥效果差、能耗高、噪音大、设备故障率高、维修维护成本高、占地面积大。
发明内容
本发明目的是提供一种既能提高干燥效果又能降低成本的薄膜挤干机。
为解决上述问题，本发明采用的技术方案是：一种薄膜挤干机，包括具有进料口的机筒、活动设置于机筒内腔中的螺旋输送杆，螺旋输送杆包括与机筒同轴设置的杆体和位于杆体上的螺旋叶片，机筒壁上设置有排水孔，螺旋输送杆的一端与一位于机筒外部的驱动装置相连接，螺旋输送杆的另一端伸到机筒的外部并且通过一轴承被转动支承，机筒的一端部与阻料摩擦外盘相固定连接，螺旋输送杆上固定连接一阻料摩擦内盘，阻料摩擦内盘位于阻料摩擦外盘的内部，在阻料摩擦外盘的内壁与阻料摩擦内盘的外壁之间形成环状的通道，该通道的宽度小于螺旋输送杆的杆体外表面与机筒的内壁之间的距离，通道的一端与机筒内腔相连通，通道的另一端为物料出口，通道内部设置有至少一个用于摩擦物料的摩擦块，摩擦块固定于阻料摩擦外盘的内壁或阻料摩擦内盘的外壁上。
优选地，阻料摩擦外盘为中空的圆台形结构，阻料摩擦内盘为圆台形结构，形成于阻料摩擦外盘的内壁与阻料摩擦内盘的外壁之间的通道呈喇叭形。
优选地，阻料摩擦内盘的端部设有与螺旋输送杆的杆体相配合的螺杆孔，阻料摩擦内盘通过螺杆孔套装固定在螺旋输送杆上。
优选地，阻料摩擦外盘与出料筒相连接，通道的物料出口与出料筒内部相连通，出料筒的下部为出料口，用于支承螺旋输送杆的轴承固定在出料筒的外壁上，螺旋输送杆的另一端设置在轴承内部。
优选地，驱动装置包括电机，电机的输出轴上设置有主动皮带轮，主动皮带轮通过皮带与一被动皮带轮相连接，被动皮带轮设置在一减速箱的输入轴上，减速箱的传动轴与螺旋输送杆之间通过联轴器相连接。
优选地，机筒上设置有进料斗，进料斗的上部为进料口。
优选地，薄膜挤干机还可进一步包括机架，机筒设置于机架上，机架上还设置一轴承座，该轴承座与机筒相连接，螺旋输送杆的一端穿过轴承座且被该轴承座转动支承。
本发明的有益效果是：在螺旋输送杆转动而将塑料薄膜碎片向物料出口运送，阻料摩擦外盘的内壁与阻料摩擦内盘的外壁之间的通道中，塑料薄膜碎片受到挤压干燥，而通过通道中的摩擦块摩擦生热，塑料薄膜碎片同时又被加热烘干，挤干和烘干的双重作用使得干燥效果更好；并且本发明所述的薄膜挤干机能耗低、噪音小、维修方便、占地面积小。
附图说明
图1是本发明薄膜挤干机的主视结构示意图；
图2是图1中阻料摩擦外盘和阻料摩擦内盘部分的放大结构示意图；
图中：1、机架，2、机筒，3、进料斗，4、进料口，5、轴承座，6、螺旋输送杆，7、电机，8、主动皮带轮，9、皮带，10、减速箱，11、被动皮带轮，12、联轴器，13、轴承，14、阻料摩擦外盘，15、阻料摩擦内盘，16、螺杆孔，17、通道，18、摩擦块，19、出料筒，20、出料口。
具体实施方式
下面通过具体实施例对本发明薄膜挤干机作进一步的详细描述。
如图1所示，薄膜挤干机，包括机架1，机架上设置有机筒2，机筒2壁上密布有排水孔，机筒2上设置有进料斗3，进料斗3的上部为进料口4，机筒1的一端与轴承座5相连接，所述的轴承座5与机架1相固定连接，机筒2的内部活动设置有螺旋输送杆6，螺旋输送杆6的一端活动设置在轴承座5内部，并且与位于轴承座5外部的驱动装置相连接，驱动装置包括固定在机架1上的电机7，电机7的输出轴上设置有主动皮带轮8，主动皮带轮8通过皮带9与被动皮带轮11相连接，被动皮带轮11设置在减速箱10的输入轴上，减速箱10的传动轴与螺旋输送杆6之间通过联轴器12相连接，所述的电机7和减速箱10均固定在机架1上，机筒2的另一端与阻料摩擦外盘14相连接，如图2所示，所述的阻料摩擦外盘14为中空的截头圆锥体结构，阻料摩擦外盘14的内部设置有阻料摩擦内盘15，所述的阻料摩擦内盘15为圆锥体结构，阻料摩擦内盘15的内部有与螺旋输送杆6相配合的螺杆孔16，阻料摩擦内盘15通过螺杆孔16套装固定在螺旋输送杆6上，阻料摩擦外盘14的内壁与阻料摩擦内盘15的外壁之间形成一个环状的通道17，通道17的一端与机筒2内部相连通，通道17内部沿环向均匀设置有十二个摩擦块18，阻料摩擦外盘14的内壁和阻料摩擦内盘15的外壁上分别沿环向均匀设置有六个摩擦块18，所述阻料摩擦外盘14与出料筒19相连接，所述的通道17的另一端与出料筒19内部相连通，出料筒19的下部为出料口20，所述的轴承13固定在出料筒19的外壁上，螺旋输送杆6的另一端设置在轴承13内部。
本发明的工作原理是：将塑料薄膜碎片连续放入进料斗3的进料口4中，电机7通过皮带9带动被动皮带轮11转动，减速箱10的传动轴通过联轴器12带动螺旋输送杆6转动，螺旋输送杆6的转动使塑料薄膜碎片往出料口20方向输送，在输送过程中，由于阻料摩擦外盘14与阻料摩擦内盘15之间的通道17较狭窄，随着塑料薄膜碎片的不断送入，塑料薄膜碎片在机筒2内越积越多，形成压力，在压力的作用下，塑料薄膜碎片内的水份被挤出，从机筒2壁上的排水孔流出，当压力达到一定程度，塑料薄膜碎片被推送入通道17中，与此同时，螺旋输送杆6的转动带动阻料摩擦内盘15的转动，位于阻料摩擦内盘15的外壁上的摩擦块18也随着转动，位于通道17中的塑料薄膜碎片受到位于阻料摩擦内盘15的外壁上和阻料摩擦外盘14的内壁上的摩擦块18的摩擦作用而产生热量，从而将塑料薄膜碎片中的水份进一步蒸发，从而使塑料薄膜碎片干燥，经干燥后的塑料薄膜碎片从通道17的另一端挤出，进入出料筒19后从出料口20排出。
本发明的有益效果是：塑料薄膜碎片受到挤干和烘干的双重干燥，干燥效果更好；本发明所述的薄膜挤干机能耗低、噪音小、维修方便、占地面积小。
以上对本发明的特定实施例结合图示进行了说明，很明显，在不离开本发明的范围和精神的基础上，可以对现有技术和工艺进行很多修改。在本发明的所属技术领域中，只要掌握通常知识，就可以在本发明的技术要旨范围内，进行多种多样的变更。

Claims (8)

1. 一种薄膜挤干机，其特征在于：它包括具有进料口的机筒、活动设置于机筒内腔中的螺旋输送杆，螺旋输送杆包括与机筒同轴设置的杆体和位于杆体上的螺旋叶片，机筒壁上设置有排水孔，螺旋输送杆的一端与一位于机筒外部的驱动装置相连接，螺旋输送杆的另一端伸到机筒的外部并且通过一轴承被转动支承，机筒的一端部与阻料摩擦外盘相固定连接，螺旋输送杆上固定连接一阻料摩擦内盘，阻料摩擦内盘位于阻料摩擦外盘的内部，在阻料摩擦外盘的内壁与阻料摩擦内盘的外壁之间形成环状的通道，该通道的宽度小于螺旋输送杆的杆体外表面与机筒的内壁之间的距离，通道的一端与机筒内腔相连通，通道的另一端为物料出口，通道内部设置有至少一个用于摩擦物料的摩擦块，所述的摩擦块固定于阻料摩擦外盘的内壁或阻料摩擦内盘的外壁上。
2. 根据权利要求1所述的薄膜挤干机，其中，阻料摩擦外盘为中空的圆台形结构，阻料摩擦内盘为圆台形结构，形成于阻料摩擦外盘的内壁与阻料摩擦内盘的外壁之间的通道呈喇叭形。
3. 根据权利要求1所述的薄膜挤干机，其中，阻料摩擦内盘的端部设有与螺旋输送杆的杆体相配合的螺杆孔，阻料摩擦内盘通过螺杆孔套装固定在螺旋输送杆上。
4. 根据权利要求1所述的薄膜挤干机，其中，所述阻料摩擦外盘与出料筒相连接，通道的物料出口与出料筒内部相连通，出料筒的下部为出料口，用于支承螺旋输送杆的轴承固定在出料筒的外壁上，螺旋输送杆的另一端设置在轴承内部。
5. 根据权利要求1所述的薄膜挤干机，其中，所述的驱动装置包括电机，电机的输出轴上设置有主动皮带轮，主动皮带轮通过皮带与一被动皮带轮相连接，被动皮带轮设置在一减速箱的输入轴上，减速箱的传动轴与螺旋输送杆之间通过联轴器相连接。
6. 根据权利要求1所述的薄膜挤干机，其中，所述的机筒上设置有进料斗，进料斗的上部为进料口。
7. 根据权利要求1-6之一所述的薄膜挤干机，还包括机架，机筒设置于机架上，所述机架上还设置一轴承座，该轴承座与机筒相连接，螺旋输送杆的一端穿过轴承座且被该轴承座转动支承。
8. 根据权利要求1-6之一所述的薄膜挤干机，其中，阻料摩擦外盘的内壁和阻料摩擦内盘的外壁上分别对应地设置有摩擦块。
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CN109130285A (zh) * 2018-10-22 2019-01-04 广州市联冠机械有限公司 一种挤干碎料机
CN110345720A (zh) * 2019-08-08 2019-10-18 沈阳远大科技实业有限公司 一种螺旋挤压脱水机
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