新型塑料扁絲拉絲機(jī)

New-type Patented Plastic Flat Thread Extruding Machine

性能及特點(diǎn)

普通拉絲機(jī)在使用過(guò)程中，為了改變拉絲機(jī)拉伸線(xiàn)速度，都是通過(guò)更換鏈輪來(lái)實(shí)現(xiàn)的。由于鏈輪的大小都是固定的，這樣更換鏈輪的方式非常影響工作效率，其中每個(gè)鏈輪更換后都是固定的速度，一個(gè)固定的速度就需要一個(gè)固定的鏈輪，無(wú)形當(dāng)中提高了生產(chǎn)成本。同時(shí)這樣的方式往往線(xiàn)速度不準(zhǔn)確，線(xiàn)速度拉伸倍數(shù)無(wú)法提高編織絲的質(zhì)量，而且還非常耗電。

我廠(chǎng)研發(fā)的新型電腦數(shù)控拉絲機(jī)組，牽伸比4-11，同時(shí)可自由變頻精確調(diào)整拉伸比，無(wú)須更換鏈輪；同時(shí)本機(jī)的主控臺(tái)可控制扁絲厚度，使生產(chǎn)過(guò)程中始終保持扁絲均勻的厚度，特別適用于生產(chǎn)噸袋、彩條布、水泥包裝袋及化工袋等。該型機(jī)組可增加單絲拉力，整體提高產(chǎn)品質(zhì)量檔次。

本機(jī)組可利用*再生料、粉料或顆粒料拉制扁絲。擠出機(jī)的螺桿、機(jī)筒采用38CrMoAlA合金鋼，經(jīng)氮化處理，硬度達(dá)到HV950以上；擠出機(jī)的減速器采用20CrMnTi合金鋼制造的硬齒面斜齒輪減速器，鏈輪采用45#中碳鋼并經(jīng)高溫淬火處理，牽引輥筒電鍍硬鉻，牽引機(jī)構(gòu)增加自控張力收卷輥筒；擠出機(jī)料筒、三通和膜頭采用鑄鋁加熱圈加熱，經(jīng)久耐用。

Performance and Characteristics

For a traditional extruding machine, it must change its chain wheel to change its drawing linear speed. However, the chain wheel’s size is fixed, which means one wheel stands for one speed. Users have to prepare different sizes of chain wheel for different speed. This causes low efficiency and high cost. For more, the speed is not accurate when changing by this way.

Now our new type extruding machine is adjustable for drawing ratio from 4 to 11, which is controllable and precise via free frequency conversion. It is no more necessary to change any chain wheel when changing its drawing speed. It’s an ideal machine for extruding plastic thread for making container sack, cement sack, chemical sack and so on.

  The machine can extruder flat thread directly by using * recycled material in powder or granular form. Its screw and cylinder are made of 38CrMoAlA alloy after nitriding treatment, the hardness of which is up to HV950 or above. The speed reducer uses hardened helical gear reducer made of 20CrMnTi alloy; the chain wheel is made of 45# quenched medium carbon steel. The drawing roller is electroplated with hard chrome; the drawing system is additionally equipped with tension controllable rewinding shaft; and the feeding drum, three-way pipe and die head adopts aluminum cast heater that’s durable in use.

主機(jī)技術(shù)參數(shù) Main Technical Parameters