Easily-cleaned spinneret plate of plastic drawing machine

Abstract

The utility model relates to the technical field of plastic wire drawing machines, in particular to an easy-to-clean spinneret plate of a plastic wire drawing machine, which comprises a spinneret plate body, the spinneret plate body comprises a base, a fixing plate and a lifting plate, and a convex column with a counter bore in the center is integrally formed in the center of the lifting plate. A plurality of holes are formed in the lifting plate in a penetrating mode, a plurality of spinning nozzles are integrally formed in the bottom of the lifting plate, a fixing bottom column is integrally formed in the middle of the fixing plate, a sleeve head is integrally formed on a plate body of the fixing plate and inserted into a through hole formed in the base, and two water inlet holes staggered up and down are formed in the hole wall of the sleeve head in a penetrating mode. A cleaning liquid pipeline is arranged in the base, a telescopic device is arranged at the top end of the protruding column, and alignment spraying holes are formed in the hole wall of the spinning nozzle in a penetrating mode. The spinneret plate cleaning device can quickly and effectively clean holes in a spinneret plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic filament drafting machine, specifically, easy-to-clean spinneret plate of plastic filament drafting machine. BACKGROUND

[0002] Spinneret plate is the core component of spinning machine, and small micro-holes are distributed on it, and the precision and roughness of the hole diameter directly affect the quality of the fiber, and the spinneret plate spinning machine is widely used in chemical fiber, plastic, rubber, food, papermaking, medical treatment and other industries, and the specific application includes producing synthetic fiber, non-woven fabric, dust-free cloth and other products, and the technical progress of the spinneret plate spinning machine makes the production of fiber more efficient and accurate, and meets the demand of modern textile industry for high-quality fiber materials.

[0003] The utility model discloses a kind of spinneret plates, it relates to spinning equipment field, it is mainly composed of shell, spinneret plate, air pump and control module, the shell includes shell and inner wall, between shell and inner wall, cleaning device is movably arranged, the cleaning device is controlled connection with control module, cleaning device is set between shell and inner wall, so that when not needing cleaning, cleaning device will not hinder the normal progress of the inside spray of the chamber on the other side of inner wall, and when needing cleaning, by control module, cleaning device can be controlled to enter into the chamber through inner wall, and the spinneret plate is cleaned, to make cleaning more convenient.

[0004] The above device is effective for cleaning the surface of the spinneret plate, but there is a blind area, and when residual material remains in the internal holes of the spinneret plate, the device cannot effectively clean it, and therefore the easy-to-clean spinneret plate of the plastic filament drafting machine is designed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing easy-to-clean spinneret plate of plastic filament drafting machine to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The plastic spinning machine's easy-to-clean spinneret comprises a spinneret body, which comprises a base, a fixed plate and a lifting plate arranged in order from bottom to top. A boss with a central counterbore is integrally formed at the center of the lifting plate. A plurality of regularly distributed holes are penetrated and formed around the boss on the lifting plate, and a plurality of cylindrical spinnerets corresponding to the holes are integrally formed at the bottom of the lifting plate. A fixed bottom column for inserting the counterbore is integrally formed in the center of the fixed plate. A plurality of hollow tubular sleeves corresponding to the spinnerets and accommodating the spinnerets are integrally formed on the plate body of the fixed plate. The sleeves are integrally inserted into the through holes formed in the plate body of the base. Two water inlet holes arranged in an up-down staggered manner are penetrated and formed in the hole wall of the sleeve. A cleaning liquid pipeline is formed in the base and communicates with the two water inlet holes of the sleeves. The top end of the boss of the lifting plate is provided with a telescopic device for lifting the lifting plate after spinning and pushing the lifting plate after cleaning. The hole wall of the spinneret is penetrated and formed with a positioning spray hole.

[0008] As a preferred, the top surface of the lifting plate is integrally formed with two layers of surrounding plates for surrounding the spinnerets corresponding to the holes on the top surface of the lifting plate. The two layers of surrounding plates comprise an outer surrounding plate close to the outer edge of the lifting plate and an inner surrounding plate surrounding the boss of the lifting plate. The outer surrounding plate is consistent with the inner surrounding plate in height. The space between the outer surrounding plate and the inner surrounding plate is a melt plastic extrusion spinning area.

[0009] As a preferred, the top of the spinneret body is provided with a plastic melting device. A hydraulic head with the same shape and size as the melt plastic extrusion spinning area is installed at the bottom of the plastic melting device. A fixed rod with an internal hollow and an open bottom end is fixed and connected by bolts at the center of the bottom of the plastic melting device. The fixed rod is located directly above the lifting plate, and the cross-sectional size of the bottom of the fixed rod is smaller than the cross-sectional size of the boss of the lifting plate.

[0010] As a preferred, the telescopic device is fixed on the inner wall of the fixed rod by bolts. The telescopic device is connected with the lifting plate by a plurality of hydraulic driving telescopic pistons. The hydraulic driving telescopic pistons are fixed at the bottom of the fixed horizontal plate of the telescopic device in a central symmetric manner. The bottom end of the telescopic piston is fixedly connected with the boss of the lifting plate.

[0011] As a preferred, the thickness of the base is greater than the length of the sleeve. When the bottom surface of the lifting plate is in contact with the top surface of the fixed plate, the horizontal bottom of the spinneret is flush with the horizontal bottom of the sleeve. The spinneret and the sleeve are in close sliding connection.

[0012] As preferred, the fixed plate is fixed closely with the base by bolts; when the lifting plate is lifted to the highest position, the height difference between the lifting plate and the fixed plate is greater than the height difference between the bottom of the spinneret and the lower water inlet hole, and the alignment spray hole is in alignment communication with the higher water inlet hole in the corresponding sleeve head.

[0013] As preferred, the side wall of the base is welded with several fixed bolt joints for fixing the spinneret body, one end of the main pipe of the cleaning liquid pipe is connected with a high-temperature and high-pressure cleaning liquid storage device, the main pipe of the cleaning liquid pipe is distributed annularly around the sleeve head in the base and is closed at the other end in the base, and the cleaning liquid pipe further comprises several branch pipes in one-to-one correspondence with the main pipe and each sleeve head.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The easy-to-clean spinneret device of the plastic filament drawing machine is simple and stable, after the spinning is completed, for the residual molten plastic in the internal holes of the spinneret, only the residual surface of the spinneret contacted with the molten plastic needs to be cleaned, and the residual molten plastic in the internal holes of the spinneret can be effectively removed through the high-temperature and high-pressure cleaning liquid connected outside, thereby increasing the service life, cleaning efficiency and effect of the spinneret. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a schematic diagram of the lifting plate lifting structure of the spinneret body of the utility model in the whole non-working state;

[0017] Figure 2 Fig. 2 is a front view of the overall structure of the utility model;

[0018] Figure 3 Fig. 3 is a side view of the utility model; Figure 1 Fig. 4 is a top view of the utility model;

[0019] Figure 4 Fig. 5 is an exploded view of the utility model; Figure 1 Fig. 6 is an exploded view of the utility model;

[0020] Figure 5 Fig. 7 is a split schematic diagram of the bottom of the lifting plate, the fixed plate and the base of the utility model;

[0021] Figure 6 Fig. 8 is a cross-sectional view of the base of the utility model;

[0022] Figure 7 Fig. 9 is a sectional view of the lifting plate, the telescopic device and the fixed plate structure of the utility model in the lifted state;

[0023] Figure 8 Fig. 10 is a schematic diagram of the connection relationship between the single spinneret, the sleeve head and the base of the utility model in the non-working state;

[0024] Figure 9 Figure 2 is a bottom view of the plastic melting device in the utility model;

[0025] Figure 1 is a perspective view of the plastic melting device in the utility model;

[0026] 1, spinneret body; 11, telescopic device; 12, lifting plate; 121, spinneret; 1211, alignment spray hole; 122, counterbore; 13, fixed plate; 131, sleeve head; 1311, water inlet hole; 132, fixed bottom column; 14, base; 141, fixed bolt joint; 15, outer enclosure; 16, inner enclosure; 17, cleaning liquid pipeline;

[0027] 2, fixed rod;

[0028] 3, plastic melting device; 31, hydraulic head. DETAILED DESCRIPTION

[0029] The technical solutions in the utility model will be clearly and completely described below with reference to the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] Please refer to Figures 1-9 The embodiment provides a technical solution:

[0031] The plastic spinning machine is easy to clean. The spinneret body 1 comprises a base 14, a fixed plate 13 and a lifting plate 12 arranged in sequence from bottom to top. A convex column with a counterbore 122 centrally formed is arranged at the center of the lifting plate 12. A plurality of regularly distributed holes are penetrated and formed on the lifting plate 12 around the convex column, and a plurality of cylindrical spinnerets 121 corresponding to the holes are integrally formed at the bottom of the lifting plate 12. The fixed plate 13 is integrally formed with a fixed bottom column 132 centrally for being inserted with the counterbore 122. The plate body of the fixed plate 13 is integrally formed with a plurality of hollow tubular sleeve heads 131 corresponding to the spinnerets 121 and accommodating the spinnerets 121 for integral movable insertion. The sleeve heads 131 are integrally inserted into the through holes formed in the plate body of the base 14. Two water inlet holes 1311 arranged in up-down staggered manner are penetrated and formed in the hole wall of the sleeve head 131. The base 14 is provided with a cleaning liquid pipeline 17 in communication with the two water inlet holes 1311 of the plurality of sleeve heads 131. The top end of the convex column of the lifting plate 12 is provided with a telescopic device 11 for lifting the lifting plate 12 after spinning and pushing down the lifting plate 12 after cleaning. The hole wall of the spinneret 121 is penetrated and formed with an alignment spray hole 1211.

[0032] In this embodiment, in order to prevent the molten plastic from affecting the operation of the lifting plate 12, the top surface of the lifting plate 12 is integrally formed with two layers of surrounding plates for surrounding the corresponding holes on the top surface of the lifting plate 12, which include the outer surrounding 15 close to the outer edge of the lifting plate 12 and the inner surrounding 16 surrounding the protruding column of the lifting plate 12. In order to prevent one side from being too short to cause leakage during spinning, the height of the outer surrounding 15 is consistent with that of the inner surrounding 16, and the space between the outer surrounding 15 and the inner surrounding 16 is the molten plastic extrusion spinning area.

[0033] Moreover, the upper part of the spinneret body 1 is provided with a plastic melting device 3, the bottom of which is provided with a hydraulic head 31 consistent in size with the molten plastic extrusion spinning area. The bottom center of the plastic melting device 3 is fixedly connected by a bolt to a fixed rod 2 which is hollow inside and has an open bottom end. The fixed rod 2 is located directly above the lifting plate 12 and the bottom cross-sectional dimension of the fixed rod 2 is smaller than that of the protruding column of the lifting plate 12, so that the molten plastic can be automatically and stably extruded.

[0034] Furthermore, in order to ensure stable and accurate extension and contraction, the extension and contraction device 11 is fixedly connected to the inner wall of the fixed rod 2 by a bolt, and the extension and contraction device 11 is connected to the lifting plate 12 by a plurality of hydraulic driving extension and contraction pistons. The electrically controlled hydraulic pistons are used to lift the lifting plate 12 after spinning is completed, and then lower the lifting plate 12 after cleaning is completed so that the spinneret 121 is completely inserted into the sleeve 131. A plurality of hydraulic driving devices are fixedly arranged at the bottom of the fixed horizontal plate of the extension and contraction device 11 in a central symmetrical manner, and the bottom end of the extension and contraction piston is fixedly connected to the protruding column of the lifting plate 12.

[0035] In addition, in order to facilitate the arrangement of the cleaning liquid pipeline 17 and expose the water inlet hole 1311 to the water inlet when the lifting plate 12 is raised, the thickness of the base 14 is greater than or equal to the length of the sleeve 131. When the lifting plate 12 is in contact with the fixed plate 13, the horizontal bottom of the spinneret 121 is flush with the horizontal bottom of the sleeve 131, and the spinneret 121 and the sleeve 131 are in close sliding connection, so that the device is more precise and stable.

[0036] Specifically, in order to ensure that the water inlet hole 1311 can work effectively, the fixed plate 13 is fixedly connected to the base 14 by a bolt. When the lifting plate 12 is raised to the highest position, the height difference between the lifting plate 12 and the fixed plate 13 is greater than the height difference between the bottom of the spinneret 121 and the lower water inlet hole 1311, so that the water inlet hole 1311 can be completely exposed, and the aligned spray hole 1211 is in communication with the higher water inlet hole 1311 in the corresponding sleeve 131, so as to clean the inside of the spinneret 121 by aligning the cleaning liquid pipeline 17.

[0037] Furthermore, in order to effectively clean the adhered plastic, the side wall of the base 14 is welded with a fixing bolt joint 141 for fixing the spinneret body 1, the cleaning liquid pipeline 17 is connected with the main pipeline of the high-temperature and high-pressure cleaning liquid storage device around the sleeve head 131 in the base 14 and the tail end is closed in the base 14, and the cleaning liquid pipeline 17 further comprises a plurality of branch pipes which are respectively connected with the main pipeline and each sleeve head 131.

[0038] In use, the easy-to-clean spinneret of the plastic spinning machine of the utility model is used in the molten plastic extrusion spinning area composed of the outer enclosure 15 and the inner enclosure 16 of the spinneret body 1, the hydraulic head 31 extrudes the molten plastic to make the lifting plate 12 in contact with the fixed rod 2 descend and the spring of the telescopic device 11 deform, the lifting plate 12 descends to be in contact with the top surface of the fixed bottom column 132, the molten plastic is extruded into a filament through the spinneret head 121, and the spinneret head 121 is cleaned after high-temperature and high-pressure cleaning liquid is introduced into the cleaning liquid pipeline after extrusion.

[0039] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the embodiments can be made without departing from the spirit and scope of the utility model, and the changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A cleanable spinneret for a plastic spinning machine, characterized in that: The utility model provides a spinning head, including spinneret body (1), spinneret body (1) includes the base (14) that sets gradually from bottom to top, fixed plate (13), lifting plate (12), the center of lifting plate (12) is integrally formed with the boss that centrally opens the counterbore (122), the lifting plate (12) is penetrated and is opened with a plurality of regular distribution's hole around the boss and is integrally formed with a plurality of cylindrical spinneret (121) corresponding with the hole in the bottom of lifting plate (12), the fixed plate (13) is integrally formed with the fixed bottom column (132) for being inserted with the counterbore (122) in the center, the plate body of fixed plate (13) is integrally formed with a plurality of hollow tubular sleeve head (131) corresponding with the spinneret (121) and containing the whole activity of the spinneret (121) and inserting, the sleeve head (131) is inserted in the plate body opening of the base (14) through hole, the hole wall of sleeve head (131) is penetrated and is opened with two places and is set up in the water inlet (1311) of up and down dislocation, the base (14) is opened with the cleaning fluid pipeline (17) that communicates with a plurality of two water inlets (1311) of sleeve head (131), the top of the boss of lifting plate (12) is equipped with the telescopic device (11) for pulling up lifting plate (12) after spinning and pushing down lifting plate (12) after cleaning, the hole wall of spinneret (121) is penetrated and is opened with the alignment spray hole (1211).

2. The easy clean spinneret for a plastic spinning machine according to claim 1, characterized in that: The top surface of the lifting plate (12) is integrally formed with two layers of surrounding plates for surrounding the corresponding holes of the spinneret (121) on the top surface of the lifting plate (12), the two layers of surrounding plates include an outer surrounding (15) close to the outer edge of the lifting plate (12) and an inner surrounding (16) surrounding the boss of the lifting plate (12), the outer surrounding (15) is consistent with the inner surrounding (16) in height, and the space between the outer surrounding (15) and the inner surrounding (16) is a melt extrusion spinning area.

3. The easy clean spinneret for a plastic spinning machine according to claim 2, characterized in that: The top of the spinneret body (1) is provided with a melt equipment (3), the bottom of the melt equipment (3) is provided with a hydraulic head (31) consistent with the melt extrusion spinning area in shape and size, the bottom center of the melt equipment (3) is fixedly connected with a fixed rod (2) with an internal hollow and an open bottom end through bolts, the fixed rod (2) is located directly above the lifting plate (12), and the bottom cross-sectional dimension of the fixed rod (2) is smaller than the cross-sectional dimension of the boss of the lifting plate (12).

4. The easy clean spinneret for a plastic spinning machine according to claim 3, characterized in that: The telescopic device (11) is fixed on the inner wall of the fixed rod (2) through bolts, the telescopic device (11) is connected with the lifting plate (12) through a plurality of telescopic pistons driven by hydraulic pressure, the hydraulic drive is fixed at the bottom of the fixed horizontal plate of the telescopic device (11) in a central symmetric manner, and the bottom end of the telescopic piston is fixedly connected with the boss of the lifting plate (12).

5. The easy clean spinneret for a plastic spinning machine of claim 1, wherein: The thickness of the base (14) is greater than the length of the sleeve (131), the horizontal bottom of the spinneret (121) is flush with the horizontal bottom of the sleeve (131) when the bottom surface of the lifting plate (12) is in contact with the top surface of the fixed plate (13), and the spinneret (121) is in close sliding connection with the sleeve (131).

6. The easy clean spinneret for a plastic spinning machine of claim 1, wherein: The fixed plate (13) is fixed in close contact with the base (14) by bolts; when the lifting plate (12) is lifted to the highest position, the height difference between the lifting plate (12) and the fixed plate (13) is greater than the height difference between the bottom of the spinneret (121) and the lower water inlet hole (1311), and the alignment spray hole (1211) is in alignment communication with the higher water inlet hole (1311) in the corresponding sleeve (131).

7. The easy clean spinneret for a plastic spinning machine of claim 1, wherein: The side wall of the base (14) is welded with a plurality of fixed bolt joints (141) for fixing the spinneret plate body (1), one end of the main pipeline of the cleaning liquid pipeline (17) is connected with a high-temperature and high-pressure cleaning liquid storage device, the main pipeline of the cleaning liquid pipeline (17) is annularly distributed around the sleeve (131) in the base (14) and is closed at the other end in the base (14), and the cleaning liquid pipeline (17) further comprises a plurality of branch pipelines which are in one-to-one correspondence with the main pipeline and each sleeve (131).

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