阅读说明：本技术 喷油式纺丝上油装置及相应熔体纺丝机 (Oil injection type spinning oiling device and corresponding melt spinning machine ) 是由 钱育红 王春峰 石少朋 池汪 梁金龙 于 2021-02-03 设计创作，主要内容包括：本发明公开了一种喷油式纺丝上油装置及相应熔体纺丝机；该上油装置,包括喷油嘴、油嘴安装板、回油管、钩丝器、变频减速电机、储油箱、抽油管、输油泵、供油管、联轴器、回油盘；创新方案要点是：将现有的油轮式上油装置改造成喷油式上油装置,该上油装置为非接触式喷油均匀回油干净、免链条传动无噪音、油嘴结构精致好维修；具有喷油均匀、回油干净、消声传动、结构紧凑、维修方便的优点。熔体纺丝机使用该上油装置,上油装置整体安装在牵伸机构头组辊和侧吹风冷却装置上下之间机架相应的位置；通过变频控制,具有对丝束均匀喷油的功能；解决了接触式涂油不均回油脏、链条传动噪音大、大油轮维修难的技术问题,喷油式上油保质增效。(The invention discloses an oil injection type spinning oiling device and a corresponding melt spinning machine; the oiling device comprises an oil nozzle, an oil nozzle mounting plate, an oil return pipe, a thread hooking device, a variable-frequency speed reduction motor, an oil storage tank, an oil pumping pipe, an oil transfer pump, an oil supply pipe, a coupling and an oil return disc; the key points of the innovative scheme are as follows: the existing oil wheel type oiling device is transformed into an oil injection type oiling device which is non-contact, uniform in oil injection, clean in oil return, free of chain transmission and noise, and delicate in structure of an oil nozzle and good in maintenance; the oil-return-type silencing device has the advantages of uniform oil injection, clean oil return, silencing transmission, compact structure and convenience in maintenance. The melt spinning machine uses the oiling device, the whole oiling device is arranged at the corresponding position of the frame between the top group roller of the drafting mechanism and the upper part and the lower part of the side blowing cooling device; through frequency conversion control, the function of uniformly spraying oil to the tows is achieved; the technical problems of uneven oil coating, dirty oil return, high chain transmission noise and difficult maintenance of a large oil wheel are solved, and the oil injection type oiling quality guarantee synergistic effect is achieved.)

1. An oil injection type spinning oiling device comprises an oil injection nozzle, an oil nozzle mounting plate, an oil return pipe, a thread hooking device, a variable frequency speed reduction motor, an oil storage tank, an oil pumping pipe, an oil delivery pump, an oil supply pipe, a coupling and an oil return disc; the method is characterized in that: oiling the tow by using an oil nozzle; the oil nozzle is provided with an oil injection port, a threading groove, an oil guide groove, an oil injection pipe and a pipe joint, wherein the upper part of the oil nozzle is a right-angle trapezoidal body, the upper surface of the right-angle trapezoidal body is provided with a U-shaped threading groove, the center of the bottom of the threading groove is provided with a rectangular oil injection port, and the inclined plane of the right-angle trapezoidal body is provided with a U-shaped oil guide groove; the oil nozzle mounting plate is integrally a rectangular mounting plate, a row of a plurality of oil nozzle mounting holes are formed in the upper part of the oil nozzle mounting plate, a row of a plurality of thread hooking device mounting holes are formed in the lower part of the oil nozzle mounting plate, and the oil nozzle mounting plate is further provided with a corresponding oil return disc and an oil return pipe mounting hole; the yarn hooking device is a melt spinning yarn hooking device; the variable-frequency speed reducing motor comprises a WB65-WD-23-90 type variable-frequency motor and a corresponding speed reducer; the oil transfer pump is a 168 small-sized oil outlet pump; the interconnection relationship is: the variable-frequency speed reducing motor and the oil transfer pump are connected by using a coupler and are arranged on the oil storage tank, the oil nozzle and the thread hooking device are aligned to the vertical thread bundle and are respectively arranged in corresponding mounting holes of the oil nozzle mounting plate, and the oil pumping pipe, the oil supply pipe and the oil return pipe are respectively arranged at corresponding positions of the oiling device; through frequency conversion control, the tows can be evenly sprayed with oil.

Technical Field

The invention belongs to the technical field of melt spinning machines, and relates to an oil injection type spinning oiling device.

Background

The spinning machine is a unit for forming the fiber-forming polymer solution or melt into filaments; the melt spinning machine is a spinning machine suitable for fiber-forming polymers (including terylene, chinlon and polypropylene) with melting point lower than decomposition temperature and capable of melting to form a thermal stable melt; the device mainly comprises a screw extrusion melting machine, a metering spinning pump, a heat-preservation spinning box, a cross air blowing cooling device, an oiling device, a drafting mechanism, a multifilament winder and other mechanisms, and is sequentially arranged from top to bottom according to the sequence. The melt spinning process is as follows: melting, spinning, oiling, drawing and wire drawing forming.

The oiling device is an important part of the melt spinning machine; the prior oil wheel type oiling device mainly comprises a motor, a reducer, a transmission shaft, a transmission chain, an oil wheel, a thread guide, an oil supply system, an oil box and other parts; the oil tanker is fixed on a shaft for driving the oil tanker to rotate by a positioning pin, and the motor drives the oil tanker to rotate through a chain wheel, a chain, a speed reducer and the like; the pair of wire pressing rod and the wire clamping plate which are provided with the porcelain rods are arranged above and below the oil tanker, and the tows keep a certain wrap angle with the oil tanker through the wire clamping plate and the wire pressing rod, so that the tows and the oil tanker are guaranteed to have a certain contact area, and the purpose of fully oiling is achieved. The spinning oiling function is as follows: increase the bundling property of the multifilament, reduce the friction coefficient and prevent the friction from generating static electricity.

The existing oil wheel type oiling device has the following defects: 1. because the oil tanker type oiling is contact type oiling for the tow, the oiling is uneven, the yarn quality is affected, and the return oil is provided with the silk wool, and the wool-containing sticky matter formed in the oil tank of the oil tanker after a long time is difficult to clean; 2. because the oil tanker type oiling device is in chain transmission, the noise is high, and the noise pollutes the field environment; 3. the oil wheel type oiling device is large in structure, large in occupied space and difficult to maintain for large oil wheels.

Disclosure of Invention

The invention aims to overcome the defects of the existing oil wheel type oiling device, solve the technical problems of uneven contact type oiling, dirty oil return, high chain transmission noise and difficult maintenance of a large oil wheel, and provide an oil injection type spinning oiling device and a corresponding melt spinning machine; oil injection type-oil injection type of oil nozzle.

The invention solves the problems of the prior art and adopts the innovative technical scheme that: an oil injection type spinning oiling device (hereinafter referred to as oiling device); the main points of the overall technical scheme are as follows: compared with the prior art, the innovative overall structure has the prominent substantive characteristics that the prior oil wheel type oiling device is transformed into an oil injection type spinning oiling device which has the advantages of non-contact type oil injection, uniform and clean oil return, no noise in coupling (chain-free) transmission and delicate and good maintenance of an oil nozzle structure; therefore, the technical problems of uneven oil coating, dirty oil return, high chain transmission noise and difficult maintenance of a large oil wheel are solved.

The specific design scheme is as follows: the oiling device mainly comprises an oil nozzle, an oil nozzle mounting plate, an oil return pipe, a thread hooking device, a variable-frequency speed reducing motor (comprising a variable-frequency motor and a speed reducer), an oil storage tank, an oil pumping pipe (an oil inlet pipe), an oil transfer pump (an oil pump), an oil supply pipe (an oil outlet pipe), a coupling, an oil return disc and the like; the shape and the construction characteristics of the main parts are as follows; the oil nozzle is provided with an oil injection port, a threading groove, an oil guide groove, an oil injection pipe and a pipe joint, wherein the upper part of the oil nozzle is a right-angle trapezoidal body, the upper surface of the right-angle trapezoidal body is provided with a U-shaped threading groove, the center of the bottom of the threading groove is provided with a rectangular oil injection port, and the inclined plane of the right-angle trapezoidal body is provided with a U-shaped oil guide groove; the oil nozzle mounting plate is integrally a rectangular mounting plate, a row of 8 oil nozzle mounting holes are formed in the upper part of the oil nozzle mounting plate, a row of 8 thread hooking device mounting holes are formed in the lower part of the oil nozzle mounting plate, and the oil nozzle mounting plate is also provided with a corresponding oil return disc and an oil return pipe mounting hole; the yarn hooking device is a melt spinning yarn hooking device; the variable-frequency speed reducing motor comprises a WB65-WD-23-90 type variable-frequency motor and a corresponding speed reducer; the oil transfer pump is a 168 small-1 inlet 6 outlet/8 outlet oil pump.

The connection relation of the main parts is as follows: for convenience of explanation, tows closely related to the oiling device are added; the variable-frequency speed reducing motor and the oil transfer pump are connected by using a coupler and are arranged on the oil storage tank, the oil nozzle, the thread hooking device and the oil return disc are respectively arranged in corresponding mounting holes of the oil nozzle mounting plate, and the oil pumping pipe, the oil supply pipe and the oil return pipe are respectively arranged at corresponding positions of the oiling device; the oiling device is integrally arranged at the corresponding position of the frame between the head group roller of the drafting mechanism and the upper part and the lower part of the side blowing cooling device, so that the oil nozzle and the thread hooking device are ensured to be aligned to the vertical thread bundle; through frequency conversion control, the function of uniformly spraying oil to the tows is achieved.

The invention also provides a melt spinning machine, which uses the oil injection type spinning oiling device provided by the invention; the device mainly comprises a screw extrusion melting machine, a metering spinning pump, a heat-preservation spinning box, a side blowing cooling device, an oil nozzle type oiling device, a drafting mechanism, a multifilament winding machine and the like.

The oil injection type spinning oiling device and the corresponding melt spinning machine provided by the invention have the advantages of uniform oil injection, clean oil return, noise elimination transmission, compact structure and convenience in maintenance; the non-contact type strand oil spraying device has the advantages that the non-contact type strand oil spraying is uniform, the oil return is clean, the noise pollution is eliminated due to the chain-free transmission, the whole structure is compact, the occupied space is saved, the oil nozzle is more delicate than an oil tanker, the maintenance is better, the labor is saved, and the efficiency is improved; is the development direction of melt spinning machine.

Drawings

FIG. 1 is an assembly diagram of the oil injection type spinning oiling device of the present invention.

Fig. 2 is a schematic perspective view of an oil nozzle of the oil injection spinning oiling device.

Reference numerals: 1-filament bundle, 2-oil nozzle, 3-oil nozzle mounting plate, 4-oil return pipe, 5-filament hooking device, 6-variable frequency speed reducing motor (comprising variable frequency motor and speed reducer), 7-oil storage tank, 8-oil pumping pipe (oil inlet pipe), 9-oil conveying pump (oil pump), 10-oil supply pipe (oil outlet pipe), 11-coupler, 12-oil return plate, 21-oil nozzle, 22-threading groove, 23-oil guiding groove, 24-oil spraying pipe and 25-pipe joint.

Detailed Description

The technical solution in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the oil-jet spinning oiling device and the corresponding melt spinning machine of the present invention, and the described embodiments are only a part of preferred embodiments of the present invention, but not all embodiments. All other embodiments, such as a nozzle oiling device with the same strand oil injection mode and similar structure, which are not inventive by those skilled in the art, based on the embodiments of the present invention, belong to the protection scope of the present invention.

Example 1

An oil injection type spinning oiling device (hereinafter referred to as oiling device); the key points of the innovative general implementation scheme are that the existing oil wheel type oiling device is transformed into an oil injection type spinning oiling device, the oiling device is a non-contact type oil injection uniform and clean oil return device, a coupler (without chain) is driven without noise, and an oil nozzle structure is delicate and easy to maintain; through frequency conversion control, the function of uniformly spraying oil to the tows is achieved.

The specific implementation scheme is as follows: the oiling device mainly comprises an oil nozzle 2, an oil nozzle mounting plate 3, an oil return pipe 4, a thread hooking device 5, a variable frequency speed reducing motor (comprising a variable frequency motor and a speed reducer) 6, an oil storage tank 7, an oil pumping pipe (an oil inlet pipe) 8, an oil delivery pump (an oil pump) 9, an oil supply pipe (an oil outlet pipe) 10, a coupler 11, an oil return disc 12 and the like; except the speed reducing motor 6 and the oil transfer pump 9, the other parts are made of stainless steel materials; the detailed description is as follows:

the oil nozzle 2 is provided with an oil injection port 21, a wire feeding groove 22, an oil guide groove 23, an oil injection pipe 24 and a pipe joint 25, the upper part of the oil nozzle is a right-angle trapezoid body, the upper surface of the right-angle trapezoid body is provided with a U-shaped wire feeding groove 22, the center of the bottom of the wire feeding groove 22 is provided with a rectangular oil injection port 21, and the inclined plane of the right-angle trapezoid body is provided with the U-shaped oil guide groove 23; 6 or 8 oil nozzles 2 are arranged in corresponding mounting holes of the oil nozzle mounting plate 3 side by side and are aligned to the vertical wire bundle 1; for spraying oil uniformly on the filament bundle 1 and guiding the filament bundle 1 to the filament hooking device 5.

The oil nozzle mounting plate 3 is integrally a rectangular mounting plate, a row of 8 oil nozzle 2 mounting holes are formed in the upper part, a row of 8 thread hooking device 5 mounting holes are formed in the lower part, and a corresponding oil return disc 12 and an oil return pipe 4 mounting hole are formed in the lower part; the oil spray nozzle is arranged at the corresponding position of the frame below the side blowing cooling device and is used for installing the oil spray nozzle 2, the thread hooking device 5, the oil return disc 12 and the oil return pipe 4.

The yarn hooking device 5 is a melt spinning yarn hooking device; 6 or 8 thread hooks 5 are arranged in corresponding mounting holes of the nozzle mounting plate 3 side by side and aligned with the vertical thread bundle 1; the device is used for hooking and guiding the filament bundle 1 and avoiding excessive swinging of the filament bundle 1.

The variable-frequency speed reducing motor 6 comprises a WB65-WD-23-90 type variable-frequency motor and a corresponding speed reducer; the variable-frequency speed reducing motor 6 and the oil transfer pump 9 are connected by a coupler 11 and are arranged on the oil storage tank 7; used for providing variable frequency power for the oil transfer pump 9.

The oil transfer pump 9 is a 168 small-1 inlet 6 outlet/8 outlet oil pump; the oil transfer pump 9 and the variable-frequency speed reducing motor 6 are connected by a coupler 11 and are arranged on the oil storage tank 7; the oil pump 9 is controlled by the frequency converter to uniformly pump oil for the oil nozzle 2.

The oil storage tank 7 is a flat rectangular oil tank and is arranged at a corresponding position of the frame above the first group roller of the drafting mechanism; the variable-frequency speed reducing motor 6 and the oil delivery pump 9 are used for storing oil and are arranged in a supporting mode.

The oil return disc 12 is a rectangular shallow disc, is arranged on the oil nozzle mounting plate 3 and is positioned below the oil nozzle 2; and the oil is used for collecting sprayed oil and reflowing to the oil storage tank 7 through the oil return pipe 4.

The oil pumping pipe (oil inlet pipe) 8 and the oil supply pipe (oil outlet pipe) 10 are 1 inlet 6 outlet/8 outlet pipes of a 168-type oil transfer pump, and are respectively arranged at corresponding positions of an oiling device, and the oil supply pipes 10 correspond to the oil nozzles 2 one by one; for supplying oil to the injection nozzle 2.

The oil injection type spinning oiling device provided by the invention has the advantages of uniform oil injection, clean oil return, noise elimination transmission, compact structure and convenience in maintenance; the technical problems of uneven oil coating, dirty oil return, high chain transmission noise and difficult maintenance of a large oil wheel are solved.

Example 2

The invention provides a melt spinning machine, which uses the oil injection type spinning oiling device provided by the invention; the melt spinning machine mainly comprises a screw extrusion melting machine, a metering spinning pump (comprising a spinning nozzle assembly), a heat-preservation spinning box, a side blowing cooling device, an oil injection type spinning oiling device, a drafting mechanism, a multifilament winding machine and other mechanisms; and are sequentially installed up and down in this order. The spinneret plate is made of a heat-resistant and corrosion-resistant stainless steel material, small holes in the surface are arranged according to a certain rule, and the aperture is usually 0.2-0.5 mm.

The screw extruder is arranged on the uppermost layer of a frame of the spinning machine, the screw extruder is ensured to be in a meshing state before being arranged, and whether the axial and lateral clearances and the center distance meet the requirements or not is detected. When the metering spinneret pump is installed, the metering pump and the pump body plate positioning holes are aligned, then two positioning sleeves of the metering pump are pressed towards the pump body plate, the glue inlet and outlet holes between the metering pump and the pump body plate are aligned, and the influence on spinning quality due to dislocation is avoided. The oiling device is integrally arranged at the corresponding position of the frame between the head group roller of the drafting mechanism and the upper part and the lower part of the side blowing cooling device, so as to ensure that the oil nozzle 2 and the thread hooking device 5 are aligned to the vertical thread bundle 1; through frequency conversion control, the device has the function of uniformly spraying oil to the tows 1.

The melt spinning process is as follows: melting, spinning, condensing, bundling and oiling, drawing and wire drawing, and winding and forming; further comprising: (1) melting: after the polypropylene polymer enters the screw extruder, the heating element and the polymer move forwards in the screw to generate friction, so that the polymer is heated and melted, and then the melt is mixed; (2) spinning: after the melt comes out of the screw extruder, the melt enters a spinning metering pump for metering through primary filtration, then the melt enters a spinning assembly (a spinneret assembly) under certain pressure, is further filtered and mixed, and finally is extruded from spinneret holes; (3) condensation: after the melt is extruded from the spinneret orifice, the melt is solidified and formed under the action of side blowing; (4) bundling and oiling: through frequency conversion control, the tows 1 are further evenly sprayed with oil; (5) drawing and drawing: after bundling and oiling, further drawing and drawing; (6) winding and forming: the polypropylene multifilament yarn is finally wound to form a shape.

The high-strength polypropylene multifilament for the filter cloth is produced by the Jingjin environmental protection GmbH, the spinning speed is up to 2000m/min, the oil injection type spinning oiling obviously improves the product quality, and the Jingjin environmental protection GmbH is commercially successful and becomes the largest filter cloth weaving business at present all over the world.

The melt spinning machine provided by the invention has the advantages of uniform oil injection, clean oil return, noise elimination transmission, compact structure and convenience in maintenance; the non-contact type oil injection device has the advantages that the non-contact type oil injection is uniform for the tows, the product quality is improved, the oil return is clean, the oil return utilization rate is improved, the noise pollution is eliminated due to the chain-free transmission, the whole structure is compact, the occupied space is saved, the oil nozzle is more delicate than an oil tanker, the maintenance is better, the labor is saved, and the efficiency is improved; is the development direction of melt spinning machine.