Special production machine capable of controlling precision of monofilament diameter
Technical Field
The invention relates to the technical field of monofilament line production, in particular to a special production machine capable of controlling the monofilament line diameter precision.
Background
The fishing monofilament line has two general structural forms, namely, an equal-diameter line; the second is a variable diameter line, and the equal diameter line is a conventional line diameter, so that the uniformity of the line diameter is ensured; the structure of the variable diameter line has various forms, and common variable diameter lines comprise products such as single variable diameter sub-lines, double variable diameter sub-lines, tapered lines, long variable diameter main lines and the like. However, in both the isodiametric line and the reducer line, the dimension and the error of the line diameter need to be controlled, but the production technology for controlling the line diameter by each manufacturer is different, and the quality of the product is different.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a special production machine capable of realizing the linear precision control of each section of an equal-diameter line and a variable-diameter line and improving the product quality and the production efficiency and capable of controlling the diameter precision of a monofilament line.
The technical problem to be solved by the present invention is achieved by the following technical means. The invention relates to a special production machine capable of controlling the precision of a monofilament line diameter, which comprises a line diameter control mechanism, a monofilament preheating mechanism and an air cooling drafting mechanism,
the wire diameter control mechanism comprises an active drafting roller, a passive drafting roller and a power mechanism for driving the active drafting roller to rotate, and a drafting gap matched with the monofilament is reserved between the active drafting roller and the passive drafting roller;
one end of the monofilament preheating mechanism is arranged as a filament inlet end, the other end of the monofilament preheating mechanism is arranged as a filament outlet end, and a plurality of monofilament preheating rollers which are staggered up and down are sequentially arranged on the monofilament preheating mechanism between the filament inlet end and the filament outlet end;
one end of the air-cooling drafting mechanism is set as an input end, the other end of the monofilament preheating mechanism is set as an output end, and a plurality of air-cooling drafting rollers which are arranged in an up-and-down staggered mode are sequentially arranged on the air-cooling drafting mechanism between the input end and the output end.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special production machine capable of controlling the monofilament diameter precision, the monofilament preheating mechanism further comprises a plurality of preheating double-pressure rollers matched with the monofilament preheating roller at the filament outlet end, the plurality of preheating double-pressure rollers are arranged side by side, and each preheating double-pressure roller comprises 2 preheating press rollers.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special machine for producing the controllable monofilament diameter precision, the air-cooled drafting mechanism further comprises a plurality of air-cooled double pressing rollers matched with the air-cooled drafting roller at the input end, the air-cooled double pressing rollers are arranged side by side, and each air-cooled double pressing roller comprises 2 air-cooled pressing rollers.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special production machine capable of controlling the monofilament diameter precision, the number of the monofilament preheating rollers is 3, wherein two monofilament preheating rollers are transversely arranged side by side, the rest monofilament preheating roller is arranged right below the monofilament preheating roller close to the filament outlet end side, and the diameter of the monofilament preheating roller is larger than that of the other two monofilament preheating rollers.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special machine for producing the controllable monofilament diameter precision, the number of the air-cooled drawing rollers is 5, wherein three air-cooled drawing rollers are transversely arranged side by side, and the rest two air-cooled drawing rollers are transversely arranged below the first three air-cooled drawing rollers side by side.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special production machine capable of controlling the monofilament diameter precision, the temperature of the monofilament yarn output by the yarn outlet end of the monofilament preheating mechanism is 90-140 ℃.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special production machine capable of controlling the monofilament diameter precision, the contact length of each air-cooled drawing roller and the monofilament line is more than 110 cm.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special production machine capable of controlling the monofilament diameter precision, the distance between the monofilament preheating roller at the filament outlet end and the air-cooled drawing roller at the filament inlet end is 20-30 cm.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special production machine capable of controlling the monofilament diameter precision, the drafting ratio of the air-cooled drafting mechanism to the monofilament is 4-6.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the special production machine capable of controlling the monofilament diameter precision, the diameter control mechanism, the monofilament preheating mechanism and the air cooling drafting mechanism are used independently or are matched with each other.
Compared with the prior art, the method realizes the precision control of the monofilament thread through the thread diameter control mechanism, the monofilament preheating mechanism and the air cooling drafting mechanism, the thread diameter control mechanism is used for matching with the extrusion capacity of a host and the discharge capacity of a metering pump to obtain the initial size of a set isodiametric line or reducer line, and lays a size and shape foundation for the subsequent stretching reinforcement of the monofilament thread; the monofilament preheating mechanism is used for comprehensively and uniformly heating the monofilament yarns, so that the preheating effect of the monofilament yarns is ensured, and the subsequent stretching is facilitated; the air cooling drafting mechanism is used for providing enough drafting force and ensuring that the drafting slip phenomenon does not occur. The special machine can avoid the situation that the thick end and the thin end of the reducing line are simultaneously drawn and stressed, ensures the stretching effect, simultaneously realizes the precision control of the line types of the equal-diameter line and each section of the reducing line, and improves the product quality and the production efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a wire diameter control mechanism according to the present invention;
FIG. 2 is a schematic structural view of a filament preheating mechanism and an air-cooled drawing mechanism according to the present invention;
FIG. 3 is a schematic view of the "one-shot" production of the complete set of units of the present invention;
FIG. 4 is a schematic diagram of the separate production "two-shot" production of the present invention;
FIG. 5 is a schematic diagram of the filament preheating mechanism of the present invention;
FIG. 6 is a schematic structural view of an air-cooled drafting mechanism of the present invention;
FIG. 7 is a schematic view of the construction of the twin pressure roller of the present invention;
fig. 8 is a schematic view showing the structure of a parallel multi-row twin pressure roller according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, a special production machine capable of controlling the precision of the monofilament diameter mainly comprises: the invention is suitable for the production of isodiametric lines and variable diametric lines of various high polymer materials such as fluorocarbon, nylon, terylene, polyethylene, polypropylene and the like.
The invention can adopt a one-step method (figure 3), namely a wire diameter control mechanism, a monofilament preheating mechanism and an air cooling drafting mechanism are combined for use, namely a continuous production mode of all units; or a 'secondary method' production can be adopted, and a special wire diameter control machine system and a preheating and air-cooling drafting mechanism of the monofilament are separately used (figure 4);
the linear diameter control mechanism comprises a computer programming controller, a servo motor 1, an active drawing roller 2, a passive pressing roller 3, a rotating bracket, an independent transmission structure and a closed stainless steel water tank which are cooled by different media such as water, silicon oil, glycerol and the like, the rotating speed and the operating time of the servo motor 1 are controlled through computer programming, and the uniform speed-uniform diameter and the accelerating speed-conical thinning of monofilaments in different lengths are realized by setting different drawing linear speeds and time; product design requirements such as 'speed reduction-cone thickening' and the like; the initial size of the set isodiametric line or the set variable diametric line is obtained by matching the extrusion capacity of the host and the discharge capacity of the metering pump, and the size and shape foundation is laid for the subsequent stretching and strengthening of the monofilament.
The monofilament preheating mechanism comprises a plurality of monofilament preheating rollers 5, a servo motor for driving the monofilament preheating rollers 5 to rotate and a computer programming controller for controlling the servo motor; one end of the monofilament preheating mechanism is set as a filament inlet end 4, and the other end of the monofilament preheating mechanism is set as a filament outlet end; at least 3 monofilament preheating rollers 5 are arranged in practical application, so that the preheating effect is ensured; the monofilament preheating roller 5 is a hot oil roller and supplies hot oil to the special machine through the hot oil;
3 hot oil rollers are divided into 2 small and 1 big hot oil rollers, and the hot oil rollers are preheated by a special hot oil supply machine, so that the surface temperature of the hot oil rollers reaches 80-160 ℃, the contact length of the hot oil rollers and the wire is 90-115 cm, and the preheating temperature of the monofilaments is ensured to be 90-140 ℃;
the air-cooled drafting mechanism comprises a plurality of air-cooled drafting rollers 7, a servo motor for driving the air-cooled drafting rollers 7 to rotate and a computer program controller for controlling the servo motor; one end of the air-cooled drafting mechanism is set as an input end, and the other end of the monofilament preheating mechanism is set as an output end 8; at least 5 air-cooling drafting rollers 7 are arranged in practical application, so that the air-cooling drafting effect is ensured;
the running linear speed of the 5 air-cooled drawing rollers 7 can be adjusted at will, and the contact length between the roller surface and the line is designed to be more than 110cm so as to generate enough friction force and provide enough drawing force and ensure that the drawing slip phenomenon does not occur;
drafting the monofilament yarn under the air cooling condition, setting the drafting ratio between 4 times and 6 times, and designing the drafting distance between a 3-roller (or multi-roller) monofilament preheating mechanism and a 5-roller (or multi-roller) air cooling drafting mechanism to be between 20cm and 30cm so as to avoid the condition that the thick end and the thin end of the reducing line are simultaneously drafted and stressed;
secondly, a special double-pressure roller 9 (or multi-roller) structure (figure 7) is designed, so that the problem that the drawing point is advanced due to simultaneous occurrence of different wire diameters when a compression roller is compressed in linear contact with the monofilament preheating roller 5 and the air-cooled drawing roller 7 is solved; in order to match with the one-time production, the double pressing roller 9 (or a plurality of rollers) can be designed into a pressing roller structure (figure 8) with a plurality of parallel rows, so that the single operation of each wire can be realized, and the problem of wire breakage and reconnection in the production process can be solved.