CN-117604657-B - Device for producing polypropylene fibers

CN117604657BCN 117604657 BCN117604657 BCN 117604657BCN-117604657-B

Abstract

The invention discloses a device for producing polypropylene fibers, which relates to the technical field of polypropylene processing equipment and has the technical scheme that the device comprises a screw extruder, a filtering device, a spinning machine and a container, wherein a feed inlet is formed in the top of the screw extruder, the screw extruder is connected with the filtering device through a pipeline, a valve is arranged between the screw extruder and the filtering device, a shunt is arranged at the tail of the filtering device, the bottom of the shunt is connected with the spinning machine, a sleeve is welded on the outer wall of the spinning machine, a containing position is arranged in the container, a rotating motor is arranged in the center of the containing position, the rotating motor is connected with a rotating shaft, the rotating shaft is connected with a roller, a blade is arranged on the outer wall of the roller, an oil spraying position is connected to the edge of the top of the roller, and the roller is positioned in the sleeve. When the device is used, the filter screen does not need to be repeatedly replaced, so that the problem of high static electricity of the polypropylene fiber can be solved, and the industrial production of the polypropylene fiber is facilitated.

Inventors

LI WENSHENG
JIANG GUANGCHAO
ZHANG JIE
CAI QING
QIU FACHENG
XU MEILING
LIAO WEILIANG
TIAN HONGJIN

Assignees

重庆理工大学
重庆普利特新材料有限公司

Dates

Publication Date: 20260508
Application Date: 20231120

Claims (8)

1. The device for producing the polypropylene fibers is characterized by comprising a screw extruder (1), a filtering device (4), a spinning machine (10) and a container (13), wherein a feed inlet (2) is formed in the top of the screw extruder (1), the screw extruder (1) is connected with the filtering device (4) through a pipeline, a valve (3) is arranged between the screw extruder (1) and the filtering device (4), a splitter (7) is arranged at the tail of the filtering device (4), the spinning machine (10) is connected to the bottom of the splitter (7), a sleeve (11) is welded on the outer wall of the spinning machine (10), a containing part (25) is arranged in the container (13), a rotating motor (21) is arranged in the center of the containing part (25), a rotating shaft (12) is connected with the rotating motor, a blade (23) is arranged on the outer wall of the rotating shaft (20), an oil spraying part (19) is connected to the edge of the top of the rotating shaft (20), and the rotating shaft (20) is positioned in the sleeve (11).
2. The device for producing polypropylene fibers according to claim 1, wherein the top of the filtering device (4) is provided with a movable track (401), the movable track (401) is movably connected with a stepping motor (18), the bottom of the stepping motor (18) is connected with a deslagging pump (17), one side of the deslagging pump (17) is connected with a deslagging pipe (5), the deslagging pipe (5) leads to the outside of the filtering device (4), the inner side wall of the filtering device (4) is surrounded by a supporting component, the supporting component is connected with a filter screen (16), and air blowers (6) are symmetrically arranged on the side wall of the filtering device (4).
3. An apparatus for producing polypropylene fibers according to claim 2, wherein the deslagging pump (17) is located above the screen (16) and the blower (6) is located below the screen (16).
4. The device for producing polypropylene fibers according to claim 1, wherein a needle tube (8) is arranged at the center of the spinning machine (10), the needle tube (8) passes through the flow divider (7) to be communicated with the outside, the interior of the needle tube (8) is hollow, and a fixer (9) is arranged at the joint of the needle tube (8) and the top of the flow divider (7).
5. The device for producing polypropylene fibers according to claim 1, wherein the holding part (25) is circular in shape, a rotary shaft (12) is arranged at the center of the holding part (25), the poking sheets (22) are symmetrically arranged on the outer side wall of the rotary shaft (12), and circular discharge holes (14) inscribed with the holding part (25) are symmetrically arranged on the outer side wall of the rotary shaft.
6. The device for producing polypropylene fibers according to claim 1, wherein the oil spraying place (19) is conical, a vent (1901) is arranged on the side wall of the oil spraying place (19), the oil spraying place (19) is hollow, and a fan (24) is arranged at the top of the roller (20).
7. An apparatus for producing polypropylene fibers according to claim 1, wherein the output end of said rotary motor (21) is connected to the rotary shaft (12).
8. An apparatus for producing polypropylene fibers according to claim 2, wherein the output of the stepper motor (18) is connected to a deslagging pump (17).

Description

Device for producing polypropylene fibers Technical Field The invention relates to the technical field of polypropylene processing equipment, in particular to a device for producing polypropylene fibers. Background Polypropylene fiber, i.e. polypropylene fiber, is often used for concrete modification due to its high strength, good elasticity, good dispersibility and stable chemical properties, improving the toughness of the building structure and prolonging the service life of the building structure. The production process of polypropylene fiber generally needs to convert polypropylene master batch into a molten state, prefilter the polypropylene in the molten state, spin the prefiltered polypropylene into filaments through a spinning assembly, and cool to form the polypropylene fiber. The pre-filtration mainly removes impurities in the polypropylene in a molten state in a filtering mode, so that certain impurities are always attached to the filter screen of the fiber-collecting production device, the filter screen is required to be replaced after the fiber-collecting production device is used for a period of time, the efficiency of producing polypropylene fibers is reduced due to the fact that the filter screen is always replaced, and the fiber-collecting production device is not beneficial to industrial production. In addition, the common defects of easy accumulation and large static electricity of the polypropylene fiber also cause the polypropylene fiber to be easily attached to the surface of equipment, and have a certain influence on production and processing. Disclosure of Invention The invention aims to provide a device for producing polypropylene fibers, which can solve the problem of large static electricity of the polypropylene fibers without repeatedly replacing a filter screen and is beneficial to the industrial production of the polypropylene fibers. The technical aim of the invention is achieved through the following technical scheme that the device for producing polypropylene fibers comprises a screw extruder, a filtering device, a spinning machine and a container, wherein a feed inlet is formed in the top of the screw extruder, the screw extruder is connected with the filtering device through a pipeline, a valve is arranged between the screw extruder and the filtering device, a shunt is arranged at the tail of the filtering device, the bottom of the shunt is connected with the spinning machine, a sleeve is welded on the outer wall of the spinning machine, a containing position is arranged in the container, a rotating motor is arranged in the center of the containing position, the rotating motor is connected with a rotating shaft, the rotating shaft is connected with a roller, a blade is arranged on the outer wall of the roller, an oil spraying position is connected to the edge of the top of the roller, and the roller is positioned in the sleeve. Through adopting above-mentioned technical scheme, the polypropylene lump material gets into the screw extruder from the feed inlet, heats to the molten state in the screw extruder, again there is the screw extruder to get into filter equipment, reach the shunt after filtering, the shunt will filter, the polypropylene of molten state shunts to the spinning ware in, the spinning ware turns into filiform polypropylene with it, filiform polypropylene spirals in the oil spout department, fall in the cylinder position afterwards, cut into polypropylene fiber via the blade on the cylinder outer wall, the device need not to change the filter screen repeatedly, can improve the big problem of polypropylene fiber static electricity, be favorable to the industrial production of polypropylene fiber. The invention is further characterized in that a movable rail is arranged at the top of the filtering device, the movable rail is movably connected with a stepping motor, the bottom of the stepping motor is connected with a slag removing pump, one side of the slag removing pump is connected with a slag removing pipe, the slag removing pipe is led to the outside of the filtering device, a supporting component is arranged on the inner side wall of the filtering device in a surrounding manner, the supporting component is connected with a filter screen, and air blowers are symmetrically arranged on the side wall of the filtering device. Through adopting above-mentioned technical scheme, step motor can remove on the movable rail, can drive the slagging-off pump of being connected with it when step motor removes, and the slagging-off pump can be with the impurity in the remaining polypropylene on the filter screen away, and the air-blower wind gap is upwards blown towards the filter screen, also can upwards blow impurity, can assist the slagging-off pump to detach the impurity of hanging on the filter screen, and the slag tap pipe draws impurity to the device outside. The invention is further arranged that the deslagging pump is positioned above the filter screen, and the