CN115323511B - Preparation system and method for high-strength low-tensile nylon 6 fiber - Google Patents
Preparation system and method for high-strength low-tensile nylon 6 fiber Download PDFInfo
- Publication number
- CN115323511B CN115323511B CN202211063816.XA CN202211063816A CN115323511B CN 115323511 B CN115323511 B CN 115323511B CN 202211063816 A CN202211063816 A CN 202211063816A CN 115323511 B CN115323511 B CN 115323511B
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- roller set
- stretching roller
- stretching
- block
- fixedly connected
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- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 239000000835 fiber Substances 0.000 title claims abstract description 27
- 229920002292 Nylon 6 Polymers 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 238000009987 spinning Methods 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 229920001778 nylon Polymers 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000004970 Chain extender Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
The invention provides a preparation system of high-strength low-stretching nylon fiber, which comprises a screw extruder, a spinning device, quick oiling equipment, hot drawing equipment and winding equipment, wherein the hot drawing equipment comprises: the device comprises a mounting plate, a first stretching roller set, a second stretching roller set and a third stretching roller set, wherein the first stretching roller set, the second stretching roller set and the third stretching roller set are sequentially arranged on the mounting plate; the first stretching roller set, the second stretching roller set and the third stretching roller set comprise sliding rails, two sliding blocks and two heating rollers. According to the preparation system and the preparation method of the high-strength low-tensile nylon 6 fiber, the wiring grooves are formed in the surfaces of the outer rollers of the plurality of groups of heating rollers, the tows can be wound along the wiring grooves, and the plurality of heating plates are arranged at the inner sides of the heating rollers and correspond to the positions of the wiring grooves, so that the positions of the wiring grooves can be heated in a targeted manner, namely the positions of the tows, heat can be utilized better, and the preparation system is more energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the field of nylon fibers, in particular to a preparation system and a preparation method of high-strength low-tensile nylon 6 fibers.
Background
The nylon fiber has the characteristics of good moisture absorption, softness, good elasticity and the like, is suitable for fabrics such as underwear, sportswear and the like, has good wearing comfort, and is mainly made of nylon 6 and nylon 66.
When the existing high-strength low-stretching nylon 6 fiber is produced, a plurality of groups of hot stretching rollers are usually required to stretch tows in different proportions, so that the network degree and network fastness of the fiber can be better improved, the cohesion and bundling among fiber monofilaments are improved, and the fiber strength is further improved;
however, at present, the hot stretching roller generally needs to heat the whole roller through a heating device, but the contact surface of the filament bundles and the stretching roller is limited, and the whole stretching roller is heated, so that the heat utilization rate is low, more heat energy is wasted, and the environment protection is not facilitated.
Therefore, it is necessary to provide a preparation system and method for high-strength low-stretch nylon 6 fiber to solve the above technical problems.
Disclosure of Invention
The invention provides a preparation system and a preparation method of high-strength low-stretching nylon fibers, which solve the problems that the whole roller is usually heated by a heating device at present, but the contact surface of tows and the stretching roller is limited, the heat utilization rate is low and more heat energy is wasted.
In order to solve the technical problems, the preparation system of the high-strength low-stretching nylon fiber provided by the invention comprises a screw extruder, a spinning device, quick oiling equipment, hot drawing equipment and winding equipment, wherein the hot drawing equipment comprises:
the device comprises a mounting plate, a first stretching roller set, a second stretching roller set and a third stretching roller set, wherein the first stretching roller set, the second stretching roller set and the third stretching roller set are sequentially arranged on the mounting plate;
the first stretching roller set, the second stretching roller set and the third stretching roller set comprise sliding rails, two sliding blocks and two heating rollers, the sliding rails are fixed on the mounting plate, the two sliding blocks are connected to the sliding rails in a sliding manner, and the heating rollers are mounted on the sliding blocks;
the heating roller comprises a center rod, an outer roller, a wiring groove and a heating plate, wherein the center rod is fixedly arranged on the sliding block, the outer roller is sleeved on the surface of the center rod, the wiring groove is formed in the surface of the outer roller, and the heating plate is arranged on the inner surface of the outer roller and corresponds to the position of the wiring groove;
and the stretching driving mechanism is arranged on the back surface of the mounting plate, is in transmission connection with the first stretching roller set, the second stretching roller set and the third stretching roller set, and is used for adjusting the distance between the two heating rollers.
Preferably, the stretching driving mechanism comprises a stretching driving piece, the stretching driving piece comprises a motor, a screw rod, two thread blocks and two connecting shafts, the motor is fixedly installed on the mounting plate through a fixing plate, one end of the screw rod is fixedly connected with one end of an output shaft of the motor through a coupler, two thread blocks are in threaded connection with two ends of the screw rod, and two thread blocks are fixedly connected with two sliding blocks in a third stretching roller set through two connecting shafts.
Preferably, the threads on two sides of the surface of the screw rod are reversely arranged.
Preferably, the mounting plate is provided with a plurality of strip-shaped holes, and the connecting shaft is fixedly connected with the sliding block through the strip-shaped holes.
Preferably, the stretching driving mechanism further comprises a first driving block, a second driving block, a T-shaped block, a driving arm and an adjusting piece, and two sliding blocks in the first stretching roller set and the second stretching roller set are fixedly connected with the first driving block and the second driving block through connecting columns respectively.
Preferably, the top of the first driving block is fixedly connected with a T-shaped block, and two sides of the bottom of the T-shaped block are fixedly connected with positioning columns.
Preferably, the back of mounting panel just is located the equal fixedly connected with supporting shoe of both sides of T shape piece, set up the locating hole on the supporting shoe, the reference column is pegged graft with the locating hole.
Preferably, one side of the first driving block and one side of the second driving block are respectively fixedly connected with a first connecting handle and a second connecting handle, the adjusting parts are slidably mounted on the mounting plate, and the two adjusting parts and the two threaded blocks are fixedly connected with the first driving block and the second driving block through transmission arms.
Preferably, the adjusting piece comprises an L-shaped block, a screw cap, a threaded shaft and a baffle, wherein the screw cap is fixedly connected to the top of the L-shaped block, the threaded shaft penetrates through the L-shaped block and is in threaded connection with the screw cap, the baffle is fixed to the bottom end of the threaded shaft, a placing cavity is formed between the baffle and the L-shaped block, and one ends of the first connecting handle and the second connecting handle extend to the inside of the placing cavity in the adjusting piece correspondingly.
The invention also provides a use method of the preparation system of the high-strength low-tensile nylon fiber, which comprises the following steps:
s1: melt-extruding the raw materials through a screw extruder;
s2: introducing the melted materials into a spinning device through a metering pump for spinning, ejecting monofilaments from a spinneret plate, and cooling the ejected filaments;
s3: the monofilaments reach a bundling oiling point to be bundled and are oiled on the surface of the filament bundle;
s4: carrying out heat stretching treatment on the tows in different proportions through heat stretching equipment;
s4: the filament bundle after hot stretching is wound at a winding head after passing through a split-type network device.
Compared with the related art, the preparation system and the preparation method of the high-strength low-stretching nylon 6 fiber have the following beneficial effects:
the invention provides a preparation system and a preparation method of high-strength low-tensile nylon fibers, wherein wiring grooves are formed in the surfaces of outer rollers of a plurality of groups of heating rollers, tows can be wound along the wiring grooves, and a plurality of heating plates are arranged at positions, corresponding to the wiring grooves, of the inner sides of the heating rollers, so that the positions of the wiring grooves can be heated in a targeted manner, namely the positions of the tows, heat can be utilized better, and the system is more energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic block diagram of a preparation system of a high-strength low-tensile nylon 6 fiber provided by the invention;
FIG. 2 is a schematic structural view of a hot drawing device of a preparation system of high-strength low-drawing nylon 6 fiber provided by the invention;
FIG. 3 is a cross-sectional view of the heating roller shown in FIG. 2;
FIG. 4 is a schematic diagram of a wiring harness sleeved on a stretching device;
FIG. 5 is a schematic structural diagram of a second embodiment of a system and method for preparing high-strength low-stretch nylon 6 fiber according to the present invention;
FIG. 6 is an enlarged schematic view of portion A shown in FIG. 5;
FIG. 7 is an enlarged schematic view of portion B shown in FIG. 4;
fig. 8 is a cross-sectional view of the adjustment member shown in fig. 7.
Reference numerals in the drawings:
1. the mounting plate is provided with a plurality of grooves,
2. a first stretching roller set, a second stretching roller set, a third stretching roller set and a third stretching roller set,
41. a slide rail, 42, a slide block, 43, a heating roller,
431. center pole, 432, outer roller, 433, wiring groove, 434, heating plate,
5. a stretching driving mechanism 51, a motor 52, a screw rod 53, a thread block 54 and a connecting shaft,
6. the strip-shaped holes are arranged on the inner side of the strip-shaped holes,
7. the product is prepared by the steps of,
81. a first driving block 811, a first connecting handle, 82, a second driving block 821, a second connecting handle,
91. t-shaped blocks, 92, positioning columns, 10, driving arms,
11. the supporting block is arranged on the supporting frame,
12. the connecting column is connected with the connecting column,
13. the device comprises an adjusting piece 131, an L-shaped block 132, a nut 133, a threaded shaft 134 and a baffle plate.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic block diagram of a preparation system of a high-strength low-stretch nylon 6 fiber according to the present invention; FIG. 2 is a schematic structural view of a hot drawing device of a preparation system of high-strength low-drawing nylon 6 fiber provided by the invention; FIG. 3 is a cross-sectional view of the heating roller shown in FIG. 2; fig. 4 is a schematic diagram of a wire harness sleeved on a stretching device. The preparation system of the high-strength low-stretching nylon 6 fiber comprises a screw extruder, a spinning device, quick oiling equipment, hot drawing equipment and winding equipment, wherein the hot drawing equipment comprises:
the device comprises a mounting plate 1, wherein a first stretching roller set 2, a second stretching roller set 3 and a third stretching roller set 4 are sequentially arranged on the mounting plate 1;
the first stretching roller set 2, the second stretching roller set 3 and the third stretching roller set 4 comprise a sliding rail 41, two sliding blocks 42 and two heating rollers 43, wherein the sliding rail 41 is fixed on the mounting plate 1, the two sliding blocks 42 are connected to the sliding rail 41 in a sliding manner, and the heating rollers 43 are mounted on the sliding blocks 42;
the heating roller 43 comprises a central rod 431, an outer roller 432, a wiring groove 433 and a heating piece 434, wherein the central rod 431 is fixedly installed on the sliding block 42, the outer roller 432 is sleeved on the surface of the central rod 431, the surface of the outer roller 432 is provided with the wiring groove 433, and the heating piece 434 is arranged on the inner surface of the outer roller 432 and corresponds to the position of the wiring groove 433;
and the stretching driving mechanism is arranged on the back surface of the mounting plate 1, is in transmission connection with the first stretching roller set 2, the second stretching roller set 3 and the third stretching roller set 4, and is used for adjusting the distance between the two heating rollers 43.
Wherein, a plurality of heating sheets 434 are correspondingly arranged in the positions of the inner part of each outer roller 432 corresponding to the wiring grooves 433, and the heating sheets 434 are preferably PTC heating sheets and are preferably powered by a storage battery;
in a preferred embodiment, the outer roller is made of a metal material with good heat conducting performance corresponding to the position of the wiring groove 433, and other positions can be made of a hard heat insulating material.
The invention also provides a use method of the preparation system of the high-strength low-tensile nylon 6 fiber, which comprises the following steps:
s1: melt-extruding the raw materials through a screw extruder;
s2: introducing the melted materials into a spinning device through a metering pump for spinning, ejecting monofilaments from a spinneret plate, and cooling the ejected filaments;
s3: the monofilaments reach a bundling oiling point to be bundled and are oiled on the surface of the filament bundle;
s4: carrying out heat stretching treatment on the tows in different proportions through heat stretching equipment;
s4: the filament bundle after hot stretching is wound at a winding head after passing through a split-type network device;
the output end of the screw extruder is connected with the input end of the spinning device through a metering pump, and the tows are cooled through cooling equipment after being sprayed out through the spinning device and then are oiled through quick oiling equipment, wherein the spinning oil contains a polyamide chain extender and an ultraviolet resistant agent; the polyamide chain extender and the anti-ultraviolet agent are nano-scale; the polyamide chain extender is polymethyl methacrylate;
the oiled tows sequentially pass through a first stretching roller set 2, a second stretching roller set 3 and a third stretching roller set 4 for hot stretching; and the stretching ratios are arranged in a sequentially increasing manner.
The working principle of the preparation system of the high-strength low-tensile nylon 6 fiber provided by the invention is as follows:
wherein, when the filament bundle is subjected to hot stretching by a hot stretching device, the filament bundle is sleeved along the wiring grooves 433 on the first stretching roller set 2, the second stretching roller set 3 and the third stretching roller set 4 in sequence, as shown in figure 3;
so that the wire harness main body is located in the wiring groove 433;
and a plurality of heating sheets 434 are arranged at the positions corresponding to the wiring grooves 433 on the inner surface of the outer roller 432, so that the positions corresponding to the wiring grooves 433 can be heated when the heating sheets 434 work, and the positions of the tows, which are in contact with the heating roller 43, can be heated.
Compared with the related art, the preparation system of the high-strength low-stretching nylon 6 fiber has the following beneficial effects:
through being provided with the wiring groove 433 on the surface of the outer roller 432 of multiunit heating roller 43, the silk bundle can be around setting up along the wiring groove 433, and the inboard at heating roller 43 corresponds the position of wiring groove 433 and set up a plurality of heating plates 434 to can carry out the pertinence to the position of wiring groove 433 and heat, promptly to the position that the silk bundle walked the line, the heat that can be better utilizes, more energy-concerving and environment-protective.
Second embodiment
Referring to fig. 5-8 in combination, another system for preparing high-strength low-tensile nylon 6 fiber is provided according to a second embodiment of the present application based on the system for preparing high-strength low-tensile nylon 6 fiber provided according to the first embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present application provides a preparation system for a high-strength low-stretch nylon 6 fiber, which is different in that, the stretch driving mechanism includes a stretch driving piece 5, the stretch driving piece 5 includes a motor 51, a screw rod 52, two threaded blocks 53 and two connecting shafts 54, the motor 51 is fixedly installed on the mounting board 1 through a fixing plate, one end of the screw rod 52 is fixedly connected with one end of an output shaft of the motor 51 through a coupling, two threaded blocks 53 are in threaded connection with two ends of the screw rod 52, and two threaded blocks 53 are fixedly connected with two sliding blocks 42 in the third stretch roller set 4 through two connecting shafts 54.
The threads on both sides of the surface of the screw rod 52 are reversely arranged.
By arranging the threads on the surface of the screw rod 52 in the opposite direction, when the screw rod 52 rotates clockwise or anticlockwise, the two sliding blocks 42 can be driven to move towards the wanted side or the opposite side, so that the two heating rollers 43 in the second stretching roller set 3 can be adjusted to move towards the opposite side or the opposite side.
The mounting plate 1 is provided with a plurality of strip-shaped holes 6, and the connecting shaft 54 is fixedly connected with the sliding block 42 through the strip-shaped holes 6.
The number of the strip-shaped holes 6 is three, and corresponds to the first stretching roller set 2, the second stretching roller set 3 and the third stretching roller set 4.
The stretching driving mechanism further comprises a first driving block 81, a second driving block 82, a T-shaped block 91, a transmission arm 10 and an adjusting piece 13, and two sliding blocks in the first stretching roller set 2 and the second stretching roller set 3 are fixedly connected with the first driving block 81 and the second driving block 82 through connecting columns 12 respectively.
Wherein the first driving block 81, the second driving block 82, the T-shaped block 91, the driving arm 10 and the adjusting member 13 are all provided with two groups, which are correspondingly provided with the first stretching roller group 2 and the second stretching roller group 3.
The top of the first driving block 81 is fixedly connected with a T-shaped block 91, and two sides of the bottom of the T-shaped block 91 are fixedly connected with positioning columns 92.
The back of mounting panel 1 just is located the equal fixedly connected with supporting shoe 11 of both sides of T shape piece 91, set up the locating hole on the supporting shoe 11, reference column 92 and locating hole grafting.
The first driving block 81 located at the upper side can be supported by providing the supporting block 11 in cooperation with the T-shaped block 91 and the positioning column 92 located at the bottom thereof.
One side of the first driving block 81 and one side of the second driving block 82 are respectively and fixedly connected with a first connecting handle 811 and a second connecting handle 821, the adjusting piece 13 is slidably mounted on the mounting plate 1, and the two adjusting pieces 13 and the two threaded blocks 53 and the two adjusting pieces 13 and the first driving block 81 and the second driving block 82 are fixedly connected through the transmission arm 10.
Wherein the first driving block 81 and the second driving block 82 which are arranged corresponding to the second stretching roller set 3 are respectively connected with the two adjusting pieces 13 which are arranged corresponding to the first stretching roller set 2 through the driving arm 10;
the two adjusting members 13 correspondingly arranged on the second stretching roller set 3 are correspondingly connected with the two thread blocks 53 correspondingly arranged on the third stretching roller set 4 through the driving arms 10 respectively.
The adjusting piece 13 comprises an L-shaped block 131, a nut 132, a threaded shaft 133 and a baffle 134, wherein the nut 132 is fixedly connected to the top of the L-shaped block 131, the threaded shaft 133 penetrates through the L-shaped block 131 and is in threaded connection with the nut 132, the baffle 134 is fixed to the bottom end of the threaded shaft 133, a placing cavity is formed between the baffle 134 and the L-shaped block 131, and one ends of the first connecting handle 811 and the second connecting handle 812 respectively extend into the placing cavity of the adjusting piece 13 which is correspondingly arranged.
The back of the mounting plate 1 is provided with a slide arm 14, and an L-shaped block 131 is arranged on the slide arm 14 in a sliding way through a sliding block
Wherein the first connection handle 811 at the upper side is connected to the top of the placement chamber inner wall, and the second connection handle 821 at the lower side is in contact with the bottom of the placement chamber inner wall correspondingly provided.
Wherein when the filament bundle is drawn by adjusting the interval between the two heating rollers 43 in the first drawing roller group 2, the second drawing roller group 3 and the third drawing roller group 4;
by starting the motor 51 and rotating clockwise, the motor 51 drives the screw rod 52 to rotate clockwise, so that the two thread blocks 53 are driven to move to the opposite side, and the filament bundles on the second stretching roller set 3 are stretched, wherein the stretching proportion is the largest;
wherein the driving arm 10 is driven to move along the moving process of the threaded block 53, the driving arm 10 drives the adjusting piece 13 to move along the moving process, the moving distance is the gap between the first connecting handle 811 and the second connecting handle 821, then the first driving block 81 and the second driving block 82 are driven to move towards two sides which are separated by the first connecting handle 811 and the second connecting handle 821, and the first driving block 81 and the second driving block 82 drive the driving arm 10 to move, so as to drive the adjusting piece 13 corresponding to the first stretching roller set 2 to move, so that the first driving block 81 and the second driving block 82 corresponding to the first stretching roller set 2 are driven to move towards one side which is separated by the two adjusting pieces 13 matched with the first connecting handle 811 and the second connecting handle 812;
the gap left by the first connecting handle 811 and the second connecting handle corresponding to the first stretching roller set 2 in the placing cavity is larger than the gap value left by the first connecting handle 811 and the second connecting handle 821 corresponding to the second stretching roller set 3 in the installing cavity in the adjusting piece 13 corresponding to the first stretching roller set;
the two heating rollers 43 in the first stretching roller set 2, the second stretching roller set 3 and the third stretching roller set 4 can be pulled successively to be opened to different sizes, so that the tows are stretched in different proportions, and the tows are driven by one motor 51, so that multiple groups of drives are not required, and the energy-saving and environment-friendly effects are achieved;
the screw shaft 133 can be screwed according to different proportions, so that the position of the baffle 134 can be adjusted, the depth of the groove cavity of the placing cavity can be adjusted, the degree of opening of the two heating rollers driving the first stretching roller set 2 and the second stretching roller set 3 can be adjusted, different stretching proportions can be used, and the device is convenient to use,
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. The utility model provides a preparation system of high strength low tensile polyamide 6 fibre, includes screw extruder, spinning device, quick oiling equipment, hot drawing equipment and winding equipment, its characterized in that, hot drawing equipment includes:
the device comprises a mounting plate, a first stretching roller set, a second stretching roller set and a third stretching roller set, wherein the first stretching roller set, the second stretching roller set and the third stretching roller set are sequentially arranged on the mounting plate;
the first stretching roller set, the second stretching roller set and the third stretching roller set comprise sliding rails, two sliding blocks and two heating rollers, the sliding rails are fixed on the mounting plate, the two sliding blocks are connected to the sliding rails in a sliding manner, and the heating rollers are mounted on the sliding blocks;
the heating roller comprises a center rod, an outer roller, a wiring groove and a heating plate, wherein the center rod is fixedly arranged on the sliding block, the outer roller is sleeved on the surface of the center rod, the wiring groove is formed in the surface of the outer roller, and the heating plate is arranged on the inner surface of the outer roller and corresponds to the position of the wiring groove;
the stretching driving mechanism is arranged on the back surface of the mounting plate, is in transmission connection with the first stretching roller set, the second stretching roller set and the third stretching roller set and is used for adjusting the distance between the two heating rollers;
the stretching driving mechanism further comprises a first driving block, a second driving block, a T-shaped block, a driving arm and an adjusting piece, wherein two sliding blocks in the first stretching roller set and the second stretching roller set are fixedly connected with the first driving block and the second driving block through connecting columns respectively;
the top of the first driving block is fixedly connected with a T-shaped block, and two sides of the bottom of the T-shaped block are fixedly connected with positioning columns;
the back of the mounting plate is fixedly connected with supporting blocks which are positioned on two sides of the T-shaped block, positioning holes are formed in the supporting blocks, and the positioning columns are spliced with the positioning holes;
one side of the first driving block and one side of the second driving block are respectively and fixedly connected with a first connecting handle and a second connecting handle, the adjusting parts are slidably arranged on the mounting plate, and the two adjusting parts and the two threaded blocks as well as the two adjusting parts and the first driving block and the second driving block are fixedly connected through a transmission arm;
the adjusting piece comprises an L-shaped block, a screw cap, a threaded shaft and a baffle, wherein the screw cap is fixedly connected to the top of the L-shaped block, the threaded shaft penetrates through the L-shaped block and is in threaded connection with the screw cap, the baffle is fixed to the bottom end of the threaded shaft, a placing cavity is formed between the baffle and the L-shaped block, and one ends of the first connecting handle and the second connecting handle extend to the inside of the placing cavity in the adjusting piece which is correspondingly arranged respectively.
2. The system for preparing high-strength low-tensile nylon 6 fiber according to claim 1, wherein the tensile driving mechanism comprises a tensile driving piece, the tensile driving piece comprises a motor, a screw rod, two thread blocks and two connecting shafts, the motor is fixedly installed on the installation plate through a fixing plate, one end of the screw rod is fixedly connected with one end of an output shaft of the motor through a coupler, two thread blocks are in threaded connection with two ends of the screw rod, and two thread blocks are fixedly connected with two sliding blocks in a third tensile roller set through two connecting shafts.
3. The system for preparing high-strength low-tensile nylon 6 fiber according to claim 2, wherein threads on both sides of the surface of the screw are reversely arranged.
4. The system for preparing high-strength low-tensile nylon 6 fiber according to claim 2, wherein the mounting plate is provided with a plurality of strip-shaped holes, and the connecting shaft is fixedly connected with the sliding block through the strip-shaped holes.
5. A method of using the preparation system for the high strength low tensile nylon 6 fiber of any one of claims 1-4, comprising the steps of:
s1: melt-extruding the raw materials through a screw extruder;
s2: introducing the melted materials into a spinning device through a metering pump for spinning, ejecting monofilaments from a spinneret plate, and cooling the ejected filaments;
s3: the monofilaments reach a bundling oiling point to be bundled and are oiled on the surface of the filament bundle;
s4: carrying out heat stretching treatment on the tows in different proportions through heat stretching equipment;
s4: the filament bundle after hot stretching is wound at a winding head after passing through a split-type network device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211063816.XA CN115323511B (en) | 2022-09-01 | 2022-09-01 | Preparation system and method for high-strength low-tensile nylon 6 fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211063816.XA CN115323511B (en) | 2022-09-01 | 2022-09-01 | Preparation system and method for high-strength low-tensile nylon 6 fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115323511A CN115323511A (en) | 2022-11-11 |
| CN115323511B true CN115323511B (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211063816.XA Active CN115323511B (en) | 2022-09-01 | 2022-09-01 | Preparation system and method for high-strength low-tensile nylon 6 fiber |
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