Novel melt filtering equipment for nylon monofilament processing

Abstract

The utility model relates to the technical field of melt filtering equipment, and discloses novel melt filtering equipment for chinlon monofilament processing, which comprises two groups of filters, filter elements are uniformly arranged in the filters, extension tubes II are fixedly mounted at the bottoms in the filters, flow meters II are fixedly mounted on the extension tubes II, and flow meters II are fixedly mounted on the flow meters II. A first extension pipe is arranged at the top in the filter, a first flowmeter is fixedly installed on the first extension pipe, a drainage pipe is fixedly installed in the filter, guide pipes are fixedly installed at the two ends of the drainage pipe, a central pipe is fixedly installed in the drainage pipe, and an external pipe is fixedly installed on one side of the central pipe. An adjusting assembly is arranged at the bottom of the external pipe. According to the utility model, the adjusting component is arranged, so that the flow of melt discharged out of the filter is flexibly adjusted during filtering, and the problem that the sealing plate is broken due to the fact that the sealing plate is blocked in the filter, the melt cannot be filtered in time, and the pressure is too high is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to melt filter equipment technical field, especially a kind of melt filter equipment for novel polyamide filament processing. BACKGROUND

[0002] When polyamide filament is produced, polyamide chip needs to be melted, after chip is melted, melt is introduced into extruder to carry out the extrusion production of polyamide filament, melt filter is used to filter melt when melt is introduced into extruder, melt filter is important equipment when high-speed spinning and spinning fine denier silk, for the continuous filtration of high polymer melt, remove the impurities and unmelted particles in melt, to improve the spinning performance of melt and ensure the spinning quality;

[0003] Melt filter mainly relies on filter core in its interior to realize the filtration of melt, and the impurities attached to the surface of filter core increase after long-term use, the amount of melt that filter core can filter in unit time decreases, when filter core is blocked to a certain degree and the amount of melt input into filter interior is fixed, the amount of unfiltered melt in filter interior increases, when the amount of unfiltered melt exceeds safety range, filter core will break, and the filtration safety in filter interior needs to be further improved.

[0004] Therefore, we propose a kind of melt filter equipment for novel polyamide filament processing. UTILITY MODEL CONTENTS

[0005] The utility model mainly solves the technical problem of existing prior art, and provides a kind of melt filter equipment for novel polyamide filament processing.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, a kind of melt filter equipment for novel polyamide filament processing, including filter, the filter has two groups, filter core is evenly arranged in the inside of filter, outer extension pipe two is fixedly installed at the inside bottom position of filter, flowmeter two is fixedly installed on outer extension pipe two, outer extension pipe one is arranged at the inside top position of filter, flowmeter one is fixedly installed on outer extension pipe one, the inside of filter is fixedly installed with drain pipe, guide pipe is fixedly installed on both ends of drain pipe, center pipe is fixedly installed in the inside of drain pipe, outer connection pipe is fixedly installed on one side of center pipe, and adjusting assembly is arranged at the bottom of outer connection pipe;

[0007] The adjusting assembly includes lower extension pipe, the lower extension pipe is fixedly installed at the bottom of outer connection pipe, sleeve, elastic tube one, movable tube, elastic tube two and adjusting plug are arranged on the lower extension pipe, drive assembly is arranged in the inside of outer connection pipe, and adjusting plug is movably installed in the inside of sleeve by drive assembly.

[0008] As preferred, an upper shunt pipe is fixedly installed between the two groups of filters, a lower shunt pipe is fixedly installed between the two groups of filters, and a connecting assembly is arranged in the filter.

[0009] As preferred, the connecting assembly comprises a mounting ring fixedly installed in the filter, a connecting plug fixedly installed on the mounting ring, the position of the connecting plug being opposite to that of the filter core, a butt joint pipe fixedly installed at the bottom of the filter core, one end of the butt joint pipe being fixed to the connecting plug, a closure plate fixedly installed in the filter, a lead-through pipe fixedly installed on the closure plate, the position of the lead-through pipe being opposite to that of the filter core, and one end of the lead-through pipe being fixed to one end of the filter core.

[0010] As preferred, the connecting assembly further comprises a manifold pipe arranged on the upper side of the closure plate, the manifold pipe being fixedly connected to the lead-through pipe, the lead-through pipe being in communication with the inside of the manifold pipe, and the manifold pipe being fixedly connected to the extension pipe.

[0011] As preferred, the lower extension pipe is in communication with the inside of the external pipe, a sleeve pipe is fixedly installed in the lower extension pipe, a first elastic pipe is fixedly installed at one end of the lower extension pipe, a movable pipe is fixedly installed at one end of the first elastic pipe, the movable pipe being slidably installed in the inside of the external pipe, a second elastic pipe is fixedly installed at one end of the movable pipe, and an adjusting plug is movably installed in the inside of the sleeve pipe.

[0012] As preferred, the adjusting assembly further comprises an extension pipe fixedly installed at one end of the second elastic pipe, and the extension pipe is connected to an external recovery pipeline.

[0013] As preferred, the driving assembly comprises a fixed frame fixedly installed in the inside of the movable pipe, the fixed frame being fixedly connected to the adjusting plug, a rack being slidably installed in the inside of the external pipe, the rack being fixedly connected to the movable pipe, and a gear being rotatably installed in the inside of the external pipe, the gear being meshed with the rack.

[0014] Compared with the prior art, the melt filtering equipment for processing new nylon monofilament has the following improvements and advantages: the adjusting assembly is arranged, the flow difference threshold value of the flow meter one and the flow meter two is set, and the adjusting gradient is set according to the part exceeding the flow difference threshold value; during filtering, the adjusting plug is adjusted to the corresponding position by the driving assembly according to the adjusting gradient corresponding to the actual value of the part exceeding the flow difference, at this time, the size of the lower extension pipe discharge port can be adjusted, and at the same time, the unfiltered melt flow discharged through the lower extension pipe can be adjusted synchronously; during filtering, the melt flow discharged from the inside of the filter can be flexibly adjusted according to the flow difference between the input and output of the filter, the problem that the melt cannot be filtered in time due to the blockage of the closure plate in the filter, and the pressure is too large, finally leading to the rupture of the closure plate, is avoided, and the filtering safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained from the provided drawings without creative labor.

[0016] Figure 1 A structural schematic diagram of a novel melt filtering equipment for nylon monofilament processing is proposed for the structure of the present application.

[0017] Figure 2 A structural schematic diagram of a connecting assembly in a novel melt filtering equipment for nylon monofilament processing is proposed for the structure of the present application.

[0018] Figure 3 A structural schematic diagram of an adjusting assembly in a novel melt filtering equipment for nylon monofilament processing is proposed for the structure of the present application.

[0019] LEGEND:

[0020] 1, filter; 2, upper shunt pipe; 3, lower shunt pipe; 4, filter element; 5, closing plate; 6, mounting ring; 7, connecting plug; 8, butt joint pipe; 9, flow pipe; 10, flow pipe; 11, lead-in pipe; 12, extension pipe one; 13, flow meter one; 14, extension pipe two; 15, flow meter two; 16, guide pipe; 17, center pipe; 18, external connection pipe; 19, movable pipe; 20, lower extension pipe; 21, elastic pipe one; 22, elastic pipe two; 23, fixing frame; 24, extension pipe; 25, sleeve pipe; 26, rack; 27, gear; 28, adjusting plug. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0022] A novel melt filtering equipment for nylon monofilament processing, such as Figure 1 - Figure 3As shown, including filter 1, the filter 1 has two groups, one group of filter 1 as a backup, two groups of filter 1 between the fixed installation of the upper shunt pipe 2, the upper shunt pipe 2 is connected with the outside pipeline, the melt can be filtered through the upper shunt pipe 2 to the outside pipeline, two groups of filter 1 between the fixed installation of the lower shunt pipe 3, the lower shunt pipe 3 is connected with the outside pipeline, the melt enters the lower shunt pipe 3 through the outside pipeline and then enters the filter 1 inside for filtering, the filter 1 is uniformly provided with filter core 4, the filter 1 is provided with connecting assembly, the filter core 4 is installed in the filter 1 through the connecting assembly, the filter 1 is fixedly installed with outer tube two 14 at the bottom of the inside, the flowmeter two 15 is fixedly installed on the outer tube two 14, the flowmeter two 15 can be used to detect the flow size through the inside of the outer tube two 14 in unit time when the melt is input into the inside of the filter 1, the filter 1 is provided with outer tube one 12 at the top of the inside, the flowmeter one 13 is fixedly installed on the outer tube one 12, the flowmeter one 13 can be used to detect the flow size through the inside of the outer tube one 12 in unit time when the melt is output after filtering, the filter 1 is fixedly installed with the leakage pipe 9, the leakage pipe 9 is fixedly installed with the guide pipe 16 at both ends, the guide pipe 16 is hollow tubular structure, the guide pipe 16 is communicated with the inside of the leakage pipe 9, the leakage pipe 9 is fixedly installed with the center pipe 17, the center pipe 17 is communicated with the inside of the leakage pipe 9, the center pipe 17 is fixedly installed with the external pipe 18 on one side, the external pipe 18 is fixedly installed on the outer wall of the filter 1, the external pipe 18 is provided with control valve, the bottom of the external pipe 18 is provided with adjusting assembly, the adjusting assembly can flexibly adjust the unfiltered melt flow from the inside of the filter 1 to ensure the filtering safety of the filter 1 according to the melt flow size in the inside of the filter 1; by setting the adjusting assembly, the unfiltered melt flow entering the inside of the filter 1 in unit time is detected by the flowmeter two 15, and the filtered melt flow flowing out of the inside of the filter 1 in unit time is detected by the flowmeter one 13, the difference threshold value of the melt flow entering the inside of the filter 1 and the filtered melt flow flowing out of the inside of the filter 1 in unit time is set, when the difference value exceeds the set threshold value during filtering, at this time, it is indicated that the blockage of the filter core 4 in the inside of the filter 1 is more serious, the inside of the filter 1 needs to be leaked, the difference value exceeds the range adjusting gradient, and the flow size of the unfiltered melt leaked from the inside of the leakage pipe 9, the guide pipe 16, the center pipe 17 and the external pipe 18 is adjusted by the adjusting assembly according to the exceeded difference value, flexible gradient control is realized, and the filtering safety of the filter 1 is ensured.

[0023] Further, the connecting assembly comprises a mounting ring 6 fixedly installed in the filter 1, a connecting plug 7 fixedly installed on the mounting ring 6, the position of the connecting plug 7 being opposite to the position of the filter core 4, a butt joint pipe 8 fixedly installed at the bottom of the filter core 4, one end of the butt joint pipe 8 being fixedly connected with the connecting plug 7, a closing plate 5 fixedly installed in the filter 1, a guide pipe 11 fixedly installed on the closing plate 5, the position of the guide pipe 11 being opposite to the position of the filter core 4, one end of the guide pipe 11 being fixedly connected with one end of the filter core 4, a flow collecting pipe 10 arranged on the upper side of the closing plate 5, the flow collecting pipe 10 being fixedly connected with the guide pipe 11, the guide pipe 11 being in communication with the inside of the flow collecting pipe 10, the flow collecting pipe 10 being fixedly connected with an extension pipe 12. Through the connecting assembly, when the filter core 4 is installed in the filter 1, the two ends of the filter core 4 are connected with the connecting plug 7 and the guide pipe 11 respectively. During filtration, the melt is input into the filter 1 through the extension pipe 2 and filtered by the filter core 4. The filtered impurities are attached to the surface of the filter core 4. The filtered melt flows through the inside of the filter core 4 into the corresponding guide pipe 11, and is collected by the guide pipe 11 into the flow collecting pipe 10 and the extension pipe 12, and is output to the outside of the filter 1, so as to realize the filtration of the melt.

[0024] Further, the adjusting assembly comprises a lower extension pipe 20 fixedly installed at the bottom of the external pipe 18, the lower extension pipe 20 being in communication with the inside of the external pipe 18, a sleeve pipe 25 fixedly installed in the inside of the lower extension pipe 20, the sleeve pipe 25 being in a circular truncated cone pipe structure, an elastic pipe 1 21 fixedly installed at one end of the lower extension pipe 20, the elastic pipe 1 21 being elastic, an activity pipe 19 fixedly installed at one end of the elastic pipe 1 21, the activity pipe 19 being slidingly installed in the inside of the external pipe 18, an elastic pipe 2 22 fixedly installed at one end of the activity pipe 19, the elastic pipe 2 22 being elastic, an extension pipe 24 fixedly installed at one end of the elastic pipe 2 22, the extension pipe 24 being connected with an external recovery pipe, an adjusting plug 28 movably installed in the inside of the sleeve pipe 25, the adjusting plug 28 being in a circular truncated cone structure, the adjusting plug 28 being capable of being in contact with the inner wall of the sleeve pipe 25, a driving assembly arranged in the inside of the external pipe 18, the adjusting plug 28 being movably installed in the inside of the sleeve pipe 25 by the driving assembly. Through the adjusting assembly, the flow difference threshold of the flow meter 1 3 and the flow meter 2 15 is set, and the adjusting gradient is set according to the part exceeding the flow difference threshold. During filtration, the driving assembly drives the adjusting plug 28 to adjust to the corresponding position according to the adjusting gradient corresponding to the actual value of the part exceeding the flow difference. At this time, the size of the outlet of the lower extension pipe 20 can be adjusted, and the flow of the unfiltered melt discharged through the lower extension pipe 20 can be adjusted synchronously. During filtration, the flow of the melt discharged from the inside of the filter 1 can be flexibly adjusted according to the flow difference of the melt input and output from the inside of the filter 1, so as to avoid the problem that the melt cannot be filtered in time due to the blockage of the closing plate 5, the pressure is too large, and finally the closing plate 5 is broken, thereby improving the filtration safety.

[0025] Further, the driving assembly comprises a fixing frame 23 fixedly installed in the interior of the movable pipe 19, the fixing frame 23 is fixedly connected with the adjusting plug 28, the interior of the outer connecting pipe 18 is slidably installed with a rack 26, the rack 26 is fixedly connected with the movable pipe 19, the interior of the outer connecting pipe 18 is rotatably installed with a gear 27, the gear 27 is meshed with the rack 26, the gear 27 is driven by a servo motor, and the servo motor is electrically connected with an external controller; by arranging the driving assembly, the adjusting plug 28 is driven to adjust the position by the driving of the gear 27 and the cooperation of the rack 26 according to the adjusting gradient corresponding to the flow difference value, the adjusting plug 28 is adjusted to the set position, the size of the outlet of the downward extending pipe 20 is adjusted accordingly, and the filtering safety in the filter 1 is ensured.

[0026] The working principle of the utility model is: during filtering, the nylon chip melt is input into the interior of one group of filters 1 through the lower shunt pipe 3, the melt flows upwards in the interior of the filter 1 and is filtered through the filter core 4, the filtered impurities are attached to the surface of the filter core 4, the filtered melt is output to the guide pipe 11, the manifold 10 and the outer extending pipe one 12 through the interior of the filter core 4 and is output to the upper shunt pipe 2 through the outer extending pipe one 12 and flows outwards;

[0027] During filtering, the flow meter two 15 is used for detecting the flow size of the unfiltered melt input into the filter 1 from the interior of the outer extending pipe two 14 in unit time, and the flow meter one 13 is used for detecting the flow size of the filtered melt output from the interior of the outer extending pipe one 12 in unit time, since the flow of the melt filtered by the filter core 4 in unit time is fixed, when the flow of the unfiltered melt input into the interior of the filter 1 is fixed and the flow of the melt output from the interior of the filter 1 gradually decreases, the difference between the two gradually increases, a threshold value is set, when the difference exceeds the threshold value, it indicates that the filter core 4 in the interior of the filter 1 is seriously blocked, at this time, the flow releasing operation needs to be performed, and the amount of the melt input into the interior of the outer extending pipe two 14 is reduced;

[0028] According to the difference exceeding part setting adjustment gradient, that is, when the value of the exceeding part is greater, the clogging condition of the filter element 4 is more serious, at this time, the amount of the melt leaked from the inside of the filter 1 is more, when the adjusting plug 28 is located at the uppermost position, at this time, the leakage outlet part of the lower extension pipe 20 is the largest, the amount of the melt leaked is the most, when the adjusting plug 28 is located at the lowermost position, the leakage outlet part of the lower extension pipe 20 is the smallest, the amount of the melt leaked is the least, according to the value of the difference exceeding part, the servo motor drives the rack 26 to rotate and drives the movable pipe 19 to slide up and down through the mutual engagement with the gear 27, when the movable pipe 19 slides, the elastic pipe two 22 and the elastic pipe one 21 are stretched and contracted to drive the adjusting plug 28 to ascend and descend, at the same time, the flow channel between the adjusting plug 28 and the sleeve 25 changes accordingly, the size of the leakage outlet at the bottom of the lower extension pipe 20 can be adjusted, when the size of the leakage outlet at the bottom of the lower extension pipe 20 is adjusted, the valve on the external connecting pipe 18 is opened, the unfiltered melt in the inside of the filter 1 is introduced into the external connecting pipe 18 through the guide pipe 16, the leakage pipe 9 and the center pipe 17 and enters the inside of the lower extension pipe 20 through the external connecting pipe 18 and is leaked to the outside pipeline through the extension pipe 24 for recycling.

[0029] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, the above embodiments and the description in the specification are only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application can have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A new type of melt filter device for processing nylon monofilament, comprising two groups of filters (1), the filters (1) are uniformly provided with filter cores (4) inside, characterized in that: The internal bottom position of the filter (1) is fixedly installed with an extension tube two (14), the extension tube two (14) is fixedly installed with a flowmeter two (15), the internal top position of the filter (1) is provided with an extension tube one (12), the extension tube one (12) is fixedly installed with a flowmeter one (13), the internal of the filter (1) is fixedly installed with a leakage pipe (9), both ends of the leakage pipe (9) are fixedly installed with guide pipes (16), the internal of the leakage pipe (9) is fixedly installed with a center pipe (17), one side of the center pipe (17) is fixedly installed with an external connection pipe (18), the bottom of the external connection pipe (18) is provided with an adjusting assembly; The adjusting assembly comprises a lower extension pipe (20), the lower extension pipe (20) is fixedly installed at the bottom of the external connection pipe (18), the lower extension pipe (20) is provided with a sleeve (25), an elastic pipe one (21), a movable pipe (19), an elastic pipe two (22) and an adjusting plug (28), the internal of the external connection pipe (18) is provided with a driving assembly, the adjusting plug (28) is movably installed in the internal of the sleeve (25) through the driving assembly.

2. A new type of melt filter device for processing of nylon monofilament according to claim 1, characterized in that: Two groups of the filter (1) are fixedly installed with an upper shunt pipe (2), two groups of the filter (1) are fixedly installed with a lower shunt pipe (3), the internal of the filter (1) is provided with a connecting assembly, the filter core (4) is installed in the internal of the filter (1) through the connecting assembly.

3. A new type of melt filter device for processing of nylon monofilament according to claim 2, characterized in that: The connecting assembly comprises an installation ring (6), the installation ring (6) is fixedly installed in the internal of the filter (1), the installation ring (6) is fixedly installed with a connecting plug (7), the position of the connecting plug (7) is opposite to the position of the filter core (4), the bottom of the filter core (4) is fixedly installed with a butt joint pipe (8), one end of the butt joint pipe (8) is fixedly connected with the connecting plug (7), the internal of the filter (1) is fixedly installed with a closing plate (5), the closing plate (5) is fixedly installed with a guide pipe (11), the position of the guide pipe (11) is opposite to the position of the filter core (4), one end of the guide pipe (11) is fixedly connected with one end of the filter core (4).

4. A new type of melt filter device for processing of nylon monofilament according to claim 3, characterized in that: The connecting assembly further comprises a manifold (10), the manifold (10) is arranged on the upper side of the closing plate (5), the manifold (10) is fixedly connected with the guide pipe (11), the internal of the guide pipe (11) is in communication with the internal of the manifold (10), the manifold (10) is fixedly connected with the extension tube one (12).

5. A new type of melt filter device for processing of nylon monofilament according to claim 1 characterized in that: The internal of the external connection pipe (18) is in communication with the lower extension pipe (20), the sleeve (25) is fixedly installed in the internal of the lower extension pipe (20), the elastic pipe one (21) is fixedly installed at one end of the lower extension pipe (20), the movable pipe (19) is fixedly installed at one end of the elastic pipe one (21), the movable pipe (19) is slidably installed in the internal of the external connection pipe (18), the elastic pipe two (22) is fixedly installed at one end of the movable pipe (19), the adjusting plug (28) is movably installed in the internal of the sleeve (25).

6. A new type of melt filter device for processing of nylon monofilament according to claim 1 characterized in that: The adjusting assembly further comprises an extension pipe (24), the extension pipe (24) is fixedly installed at one end of the elastic pipe two (22), the extension pipe (24) is connected with an external recovery pipeline.

7. A new type of melt filter device for processing of nylon monofilament according to claim 1 characterized in that: The driving assembly comprises a fixing frame (23), the fixing frame (23) is fixedly installed in the inside of the movable pipe (19), the fixing frame (23) is fixedly connected with the adjusting plug (28), the inside of the outer connecting pipe (18) is slidably installed with a rack (26), the rack (26) is fixedly connected with the movable pipe (19), and the inside of the outer connecting pipe (18) is rotatably installed with a gear (27), and the gear (27) is meshed with the rack (26).

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