阅读说明：本技术 一种应用于聚合物挤压成网的在线旋转平台设备 (Online rotating platform equipment applied to polymer extrusion net formation ) 是由 王进 刘颖 朱雅琴 于 2019-11-14 设计创作，主要内容包括：本发明公开了一种应用于聚合物挤压成网的在线旋转平台设备,包括料斗、螺杆挤出机、熔体计量泵、第一旋转平台、第一固定机架、垂直丝杆、纺丝箱体、气流牵伸器、接收装置、水平丝杆、第二旋转平台和小固定机架,所述固定机架转动连接有两个第一旋转平台；两个所述第一旋转平台的水平方向对角线上均设置有水平丝杆。该新型的有益效果是具有可升降、可旋转的特性,克服了传统设备牵伸距离、产品幅宽与成网角度不可调节的缺点,可以实现聚合物挤压成网通过牵伸距离在0～2m范围内可调节,从而提高产品质量,并可以通过成网角度在0～45°范围内调节从而控制产品幅宽,可适用于多种类、高质量的产品的生产。(The invention discloses online rotary platform equipment applied to polymer extrusion net formation, which comprises a hopper, a screw extruder, a melt metering pump, a first rotary platform, a first fixed rack, a vertical screw rod, a spinning box body, an airflow drafting device, a receiving device, a horizontal screw rod, a second rotary platform and a small fixed rack, wherein the fixed rack is rotationally connected with two first rotary platforms; horizontal screw rods are arranged on the diagonal lines of the two first rotating platforms in the horizontal direction. The novel beneficial effects are that have liftable, rotatable characteristic, overcome the not adjustable shortcoming of traditional equipment draft distance, product width and netting angle, can realize that polymer extrusion netting passes through the draft distance and is adjustable at 0 ~ 2m within range to improve product quality, thereby can adjust control product width at 0 ~ 45 within range through netting angle, applicable in the production of multiple type, high-quality product.)

1. An on-line rotary platform device applied to polymer extrusion web forming is characterized in that: the device comprises a hopper (1), a screw extruder (2), a melt metering pump (3), a first rotary platform (4), a first fixed rack (5), a vertical screw rod (6), a spinning box body (7), an airflow drafting device (8), a receiving device (9), a horizontal screw rod (10), a second rotary platform (11) and a small fixed rack (12), wherein the fixed rack (5) is rotatably connected with the two first rotary platforms (4); horizontal screw rods (10) are arranged on the diagonal lines of the two first rotating platforms (4) in the horizontal direction; the first fixed rack (5) is respectively provided with a vertical screw rod (6) along the length direction; the first rotating platform (4) is connected with a screw extruder (2); the screw extruder (2) is provided with a hopper (1); the screw extruder (2) is fixedly connected with a melt metering pump (3); the melt metering pump (3) is connected with a spinning box body (7); the spinning beam (7) is connected with two second rotating platforms (11); the two second rotating platforms (11) are respectively connected with an airflow drafting device (8); the airflow drafting device (8) is connected with a receiving device (9); the second rotary platform (11) is connected with a small fixed frame (12).

2. An in-line rotary stage apparatus for polymer extrusion laying of web material as claimed in claim 1 wherein: and the rotating platform (11) is provided with a through hole matched with the airflow drafting device (8).

3. An in-line rotary stage apparatus for polymer extrusion laying of web material as claimed in claim 1 wherein: the lower parts of the first fixed rack (5) and the small fixed rack (12) are respectively connected with four vertical screw rods (6) driven by a first motor.

4. An in-line rotary stage apparatus for polymer extrusion laying of web material as claimed in claim 1 wherein: two horizontal screw rods (10) are arranged on the diagonal lines of the rotary platform (4) and the second rotary platform (11) in the horizontal direction.

5. An in-line rotary stage apparatus for polymer extrusion laying of web material as claimed in claim 1 wherein: the melt metering pump (3) is connected with the spinning box body (7) through a material conveying pipe.

6. An in-line rotary stage apparatus for polymer extrusion laying of web material as claimed in claim 1 wherein: and the eight horizontal screw rods (10) are respectively connected with a second motor.

7. An in-line rotary stage apparatus for polymer extrusion laying of web material as claimed in claim 1 wherein: the receiving device (9) is connected with a negative pressure device; the negative pressure device is an exhaust fan.

8. An in-line rotary stage apparatus for polymer extrusion laying of web material as claimed in claim 1 wherein: the rotating angles of the rotating platform (4) and the second rotating platform (11) are respectively set to be +45 degrees and-45 degrees.

Technical Field

The invention relates to the field of online rotating platform equipment, in particular to online rotating platform equipment applied to polymer extrusion net forming.

Background

With the research and development of polymer extrusion web process and the gradual maturity of industrial application, the spunbond web technology and the meltblown technology are most widely applied in the production of nonwoven materials, and the product quality regulation and control become important subjects of equipment development. The existing spun-bonded production equipment utilizes a screw extruder to heat, melt and extrude a high molecular polymer, an airflow drafting device utilizes the energy of gas to stretch and cool tows, a receiving device supports the drafted tows on a conveying net curtain to form a net, and then the non-woven material is generated through reinforcement modes such as needling, spunlace and the like. The melt-blown production equipment extrudes polymer melt from a spinneret orifice of a die head, utilizes heated high-speed air to stretch melt trickle, and cools and crystallizes fibers to prepare superfine fibers which are laid on a receiving device and form a non-woven material by self bonding or other reinforcement.

At present, the parameters which can be adjusted on line and are related to the quality and the yield of products produced by a spunbonding equipment and a meltblowing equipment are mainly the feeding speed of the equipment, the speed of a drafting airflow, the speed of a net curtain and the like. Two important parameters of the drafting distance and the web forming angle have larger influence on the fineness, the longitudinal and transverse strength ratio, the uniformity and the yield of the product, but the device is difficult to become an online adjustable item because each device is fixed on a fixed frame, and the lifting and the rotation can not be adjusted.

Based on the above, the on-line liftable and rotatable platform equipment applied to polymer extrusion net forming is invented by carrying out structural design on the existing platform equipment so as to realize on-line adjustment of the drafting distance and the net forming angle.

Disclosure of Invention

The invention provides online rotating platform equipment applied to polymer extrusion net forming, which can solve the problem that in the prior art, devices are fixed on a fixed frame and cannot become online adjustable items, and lifting and rotation cannot be adjusted.

The invention provides online rotary platform equipment applied to polymer extrusion net formation, which comprises a hopper, a screw extruder, a melt metering pump, a first rotary platform, a first fixed rack, a vertical screw rod, a spinning box body, an airflow drafting device, a receiving device, a horizontal screw rod, a second rotary platform and a small fixed rack, wherein the fixed rack is rotationally connected with two first rotary platforms; horizontal screw rods are arranged on the diagonal lines of the two first rotating platforms in the horizontal direction; the first fixed rack is respectively provided with a vertical screw rod along the length direction; the first rotary platform is connected with a screw extruder; the screw extruder is provided with a hopper; the screw extruder is fixedly connected with a melt metering pump; the melt metering pump is connected with a spinning box body; the spinning box body is connected with two second rotating platforms; the two second rotating platforms are respectively connected with an airflow drafting device; the airflow drafting device is connected with a receiving device; the second rotary platform is connected with a small fixed rack.

Preferably, the rotating platform is provided with a through hole adapted to the air draft device.

Preferably, the lower parts of the first fixed rack and the small fixed rack are respectively connected with four vertical screw rods driven by a first motor.

Preferably, two horizontal screw rods are arranged on the diagonal line of the rotating platform and the second rotating platform in the horizontal direction.

Preferably, the melt metering pump is connected with the spinning manifold through a feed delivery pipe.

Preferably, the eight horizontal screw rods are respectively connected with a second motor.

Preferably, the receiving device is connected with a negative pressure device; the negative pressure device is an exhaust fan.

Preferably, the rotation angles of the rotating platform 4 and the second rotating platform 11 are set to +45 degrees and-45 degrees respectively, so that the longitudinal and transverse strength ratio of the final product can reach 1: 1.

The online rotary platform equipment applied to the polymer extrusion net forming has the characteristics of being liftable and rotatable, overcomes the defects that the drafting distance, the product width and the net forming angle of the traditional equipment are not adjustable, can realize that the polymer extrusion net forming is adjustable within the range of 0-2 m through the drafting distance, thereby improving the product quality, can control the product width through adjusting the net forming angle within the range of 0-45 degrees, and is suitable for the production of various high-quality products.

Drawings

FIG. 1 is a front view of an in-line rotary stage apparatus for extrusion-laying of polymer webs in accordance with the present invention;

FIG. 2 is a schematic view of the rotation of a second rotary stage 11 of an in-line rotary stage apparatus for polymer extrusion laying according to the present invention;

FIG. 3 is a schematic view of the falling angle structure of the material on the upper surface of the receiving device of the on-line rotary platform device for polymer extrusion web formation provided by the invention.

Description of reference numerals: 1-a hopper; 2-screw extruder; 3-melt metering pump; 4-a first rotating platform; 5-a first stationary gantry; 6-vertical screw rod; 7-spinning manifold; 8-an air draft device; 9-a receiving device; 10-horizontal lead screw; 11-a second rotary platform; 12-Small fixed frame.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

As shown in fig. 1 to fig. 3, an on-line rotary platform device applied to polymer extrusion web forming provided by the embodiment of the present invention includes a hopper 1, a screw extruder 2, a melt metering pump 3, a first rotary platform 4, a first fixed frame 5, a vertical screw 6, a spinning beam 7, an air draft device 8, a receiving device 9, a horizontal screw 10, a second rotary platform 11 and a small fixed frame 12; the hopper 1, the screw extruder 2, the melt metering pump 3 and the spinning manifold 7 are connected in sequence through a conveying pipe; two horizontal screw rods 10 are arranged on the diagonal line of the rotary platform 4 and the second rotary platform 11 in the horizontal direction

Four corners of the fixed frame 5 are respectively provided with four vertical screw rods 6 along the length direction, and the upper surface of the fixed frame 5 is rotationally connected with two first rotating platforms 4 through horizontal screw rods 10; horizontal screw rods 10 are arranged on the horizontal diagonals of the two first rotating platforms 4, and the non-output ends of the horizontal screw rods 10 are fixedly connected with the fixed rack 5 through welding; the first rotating platform 4 is fixedly connected with a screw extruder 2; the screw extruder 2 is provided with a hopper 1; the screw extruder 2 is connected with a melt metering pump 3 through a material conveying pipe; the melt metering pump 3 is connected with the spinning box 7 through a material conveying pipe. The spinning beam 7 is fixedly connected with two second rotating platforms 11; the two second rotating platforms 11 are respectively connected with an airflow drafting device 8; a receiving device 9 is arranged below the air draft device 8, and the receiving device 9 is a net-forming curtain. The second rotary platform 11 is connected with a small fixed frame 12 through a horizontal screw rod 10. The non-output end of the horizontal screw rod 10 is fixedly connected with the small fixed frame 12 through welding, and four vertical screw rods 6 are respectively arranged at four corners of the small fixed frame 12 along the length direction. The eight horizontal screw rods 10 are respectively connected with a second motor.

The lower parts of the first fixed frame 5 and the small fixed frame 12 are respectively provided with four vertical screw rods 6 driven by a first motor. Adjustable perpendicular lead screw 6 for first rotary platform 4 and second rotary platform 11 freely go up and down at 0 ~ 2m within range, realize the draft and grip the point and become the regulation and control of distance between the net curtain, not only can realize the promotion of spunbonded product performance, still can mediate the fineness as required, and for changing raw materials, adjusting equipment parameter provides convenience, adjusted the distance between air draft ware 8 and the receiving arrangement 9, can adjust the powerful of silk screen, the fineness is better.

The rotary platform 11 is provided with a through hole adapted to the airflow drafting device 8, and the airflow drafting device 8 penetrates through the through hole and is fixedly connected with the rotary platform 11.

The receiving device 9 is connected with a negative pressure device; the negative pressure device is an exhaust fan which can assist in stretching and facilitates the net formation to form a fiber net structure.

In this embodiment, as shown in fig. 3, the chemical filaments pass through the air stream drawing device 8 to become stable filaments, and the rotation angles of the two rotating platforms 4 and the two second rotating platforms 11 are set to +45 ° and-45 °, respectively, corresponding to the web region 13 falling onto the receiving device 9, so that the longitudinal-transverse strength ratio of the final product can reach 1: 1. And the PP/PE bicomponent web has a higher uniformity due to the stacking of the two webs.

Two horizontal screw rods 10 are arranged on diagonal lines of the horizontal directions of the rotary platform 4 and the second rotary platform 11, the two first rotary platform 4 and the second rotary platform 11 can rotate within 0-45 degrees due to the thrust moment caused by linear motion of the horizontal screw rods 10, the rotary platforms 11 are not interfered with each other, the effective width of a product can be adjusted within the range of 2264-3200 mm under the fixed condition that the machine width is 3200mm, waste of raw materials is reduced, the width of a silk screen is adjusted, the longitudinal and transverse strength ratio of the product is adjusted, the product quality is improved, the product width is controlled by adjusting the net forming angle within the range of 0-45 degrees, and the rotary platform is suitable for production of multiple types of high-quality products.

The working principle is as follows: firstly, pouring two groups of raw materials of PP and PE into a hopper 1, melting the two groups of raw materials of PP and PE by a screw extruder 2 and then extruding, and feeding the two groups of molten raw materials of PP and PE into a spinning manifold 7 by a melt metering pump 3; then the raw material becomes chemical filament through a spinning manifold 7, the chemical filament flows through different flow passages through melt distribution and is further ejected out from a spinneret orifice simultaneously, and the bicomponent fiber with a sheath-core structure with a sheath layer of PP fiber and a core layer of PE fiber is formed; the chemical filaments pass through the air draft device 8 to become stable filaments and fall onto a receiving device 9; the receiving device 9 is a net-forming curtain, and a negative pressure device is arranged under the receiving device, (the negative pressure device is generally an exhaust fan which plays a role of assisting stretch and is beneficial to forming a net), so that a fiber net-shaped structure is formed. And connecting the formed net curtain with a subsequent processing device.

The above disclosure is only for the specific embodiment of the present invention, but the embodiment of the present invention is not limited thereto, and any variations that can be made by those skilled in the art should fall within the scope of the present invention.