Extrusion type plastic fiber refining device

Abstract

The utility model belongs to the technical field of fiber refining devices, and particularly relates to an extrusion type plastic fiber refining device which comprises an outer barrel and a refining mold, the refining mold is connected to the bottom of the outer barrel in a clamped mode, a filter screen used for filtering molten plastic is arranged at the top end of the refining mold, a pressing plate is arranged at the top end of the filter screen, and a pressing plate is arranged at the bottom end of the pressing plate. A filter assembly for coarsely filtering molten plastic is arranged at the top end of the pressing plate, a top cover is arranged at the top end of the filter assembly and is in threaded connection with the top end of the outer cylinder, a connecting pipe is arranged in the middle of the top cover, and a bottom edge is fixedly connected to the bottom end of the outer cylinder. The device is of a split type structure, after the device is used, when internal residues need to be cleaned, the top cover is screwed off from the outer cylinder, and then the filtering assembly, the pressing plate, the filtering net and the refining mold can be taken out from the interior of the outer cylinder, so that the device is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fiber refining device technical field, concretely relates to a kind of extrusion type plastic fiber refining device. BACKGROUND

[0002] Plastic fiber is also called polyester fiber, which is a kind of synthetic fiber made of organic diacid and dihydric alcohol through chemical polycondensation. It belongs to a kind of high molecular compound. It has excellent wrinkle resistance and shape retention. In addition, polyester fiber also has the characteristics of anti-wear and non-sticky hair, making the fabric look more neat. When producing plastic fiber, a mold is needed to extrude and refine it into a filament.

[0003] The fiber refining mold commonly used is of one-piece structure, which is directly installed on the extruder during use. However, in the subsequent cleaning process, the one-piece structure of the mold makes it difficult to remove the internal residues and plastic substances, affecting the cleaning effect and efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide an extrusion type plastic fiber refining device, which adopts a split structure for easy cleaning to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an extrusion type plastic fiber refining device, comprising an outer cylinder and a refining mold, the refining mold is clamped and connected at the bottom of the outer cylinder, the top end of the refining mold is provided with a filter screen for filtering molten plastic, the top end of the filter screen is provided with a pressing plate, the top end of the pressing plate is provided with a filter assembly for coarse filtering molten plastic, the top end of the filter assembly is provided with a top cover, the top cover is threadedly connected at the top end of the outer cylinder, and the middle part of the top cover is provided with a connecting pipe.

[0006] Further, the bottom end of the outer cylinder is fixedly connected with a bottom rim, the inner wall of the bottom rim is fixedly connected with protrusions distributed at equal intervals, and the top part of the inner wall of the bottom rim is provided with a first threaded part.

[0007] Further, the refining mold comprises a base plate and a cylinder, the base plate is fixedly connected at the bottom end of the cylinder, the base plate is inserted into the inside of the bottom rim, the surface of the base plate is provided with uniformly distributed through holes, the sidewall of the base plate is provided with protrusions distributed at equal intervals, and the plurality of clamping grooves are respectively clamped and connected with the plurality of protrusions.

[0008] Further, the inside of the cylinder is placed with a template, the surface of the template is provided with uniformly distributed discharge holes, the plurality of discharge holes are respectively correspondingly provided with the plurality of through holes, the inner wall of the cylinder is symmetrically provided with anti-stupid blocks, the sidewall of the template is symmetrically provided with anti-stupid grooves, and the two anti-stupid grooves are respectively clamped and connected with the two anti-stupid blocks.

[0009] Further, the top of the base plate is provided with a threaded ring, the top of the sidewall of the base plate is provided with a second threaded part matched with the threaded ring, and the top end of the threaded ring is provided with equidistantly distributed insertion columns.

[0010] Further, the edge of the filter screen is provided with equidistantly distributed insertion holes, and the insertion columns are respectively inserted into the insertion holes.

[0011] Further, the surface of the pressing plate is provided with uniformly distributed distribution holes, and the surface of the pressing plate is provided with a plurality of positioning holes matched with the insertion columns.

[0012] Further, the filter assembly comprises a filter disc, the inside of the filter disc is provided with an iron sand layer, the bottom of the filter disc is provided with equidistantly distributed positioning cylinders, the top end of the insertion columns is respectively inserted into the inside of the positioning cylinders, and the middle of the filter disc is fixedly connected with a handle.

[0013] Compared with the prior art, the beneficial effects of the device are that the device is of a split structure, after use, when the internal residues need to be cleaned, the top cover is unscrewed from the outer cylinder, the filter assembly, the pressing plate, the filter screen and the refinement mold can be taken out from the inside of the outer cylinder, and the device is convenient to clean. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a front sectional view of the utility model;

[0016] Figure 3 It is an explosion view of the utility model;

[0017] Figure 4 It is a structure schematic view of the refinement mold of the utility model.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1, outer cylinder; 11, bottom edge; 12, protruding block; 13, first threaded part; 2, refinement mold; 21, base plate; 22, cylinder; 23, second threaded part; 24, clamping groove; 25, through hole; 26, template; 27, discharge hole; 28, fool-proof groove; 29, fool-proof block; 210, threaded ring; 211, insertion column; 3, filter screen; 31, insertion hole; 4, pressing plate; 41, distribution hole; 42, positioning hole; 5, filter assembly; 51, filter disc; 52, iron sand layer; 53, positioning cylinder; 54, handle; 6, top cover; 61, connecting pipe. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the utility model more clearly, the following will specifically describe the utility model with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model specifically requested.

[0021] As Figures 1-3 shown, an extrusion type plastic fiber refining device, including outer tube 1 and refining die 2, refining die 2 is engaged in the bottom of outer tube 1, the top end of refining die 2 is provided with the filter screen 3 for filtering molten plastic, the top end of filter screen 3 is provided with pressing plate 4, the top end of pressing plate 4 is provided with the filter assembly 5 for coarsely filtering molten plastic, the top end of filter assembly 5 is provided with top cover 6, top cover 6 is screwed in the top end of outer tube 1, the middle part of top cover 6 is provided with connecting pipe 61.

[0022] According to the above structure, when installing, refining die 2 is engaged in the bottom of outer tube 1, then filter screen 3, pressing plate 4, filter assembly 5 and top cover 6 are installed on refining die 2 in turn, after use, when the inside residue needs to be cleaned, top cover 6 is screwed off from outer tube 1, then filter assembly 5, pressing plate 4, filter screen 3 and refining die 2 can be taken out from the inside of outer tube 1, which is convenient for cleaning the device.

[0023] As Figure 3 shown, the bottom end of outer tube 1 is fixedly connected with bottom edge 11, the inner wall of bottom edge 11 is fixedly connected with equidistantly distributed protrusions 12, the top of the inner wall of bottom edge 11 is provided with first threaded portion 13, refining die 2 includes base plate 21 and cylinder 22, base plate 21 is fixedly connected at the bottom end of cylinder 22, base plate 21 is inserted in the inside of bottom edge 11, the surface of base plate 21 is provided with uniformly distributed through holes 25, the side wall of base plate 21 is provided with equidistantly distributed clamping grooves 24, and the clamping grooves 24 are respectively connected with the protrusions 12.

[0024] According to the above structure, when installing, base plate 21 is inserted in the inside of bottom edge 11, and the protrusions 12 are respectively inserted into the inside of the clamping grooves 24, so that the refining die 2 is prevented from rotating.

[0025] As Figure 3 and 4As shown, the inside of the cylinder 22 is placed with a template 26, the surface of the template 26 is provided with uniformly distributed discharge holes 27, a plurality of discharge holes 27 are respectively arranged corresponding to a plurality of through holes 25, the inner wall of the cylinder 22 is symmetrically provided with a foolproof block 29, the side wall of the template 26 is symmetrically provided with a foolproof slot 28, the two foolproof slots 28 are respectively clamped and connected with the two foolproof blocks 29, the top of the base plate 21 is provided with a threaded ring 210, the top of the side wall of the base plate 21 is provided with a second threaded portion 23 matched with the threaded ring 210, and the top end of the threaded ring 210 is provided with equidistantly distributed insertion columns 211.

[0026] According to the above structure, when spinning, the molten plastic is extruded into the inside of the outer cylinder 1 by the extruder, the plastic flows out through the discharge holes 27 on the surface of the template 26, the discharge holes 27 correspond to the through holes 25, thereby extending the flow channel of spinning, when installing the template 26, the foolproof block 29 is clamped into the inside of the foolproof slot 28, thereby making the discharge holes 27 correspond to the through holes 25, and the template 26 can also be prevented from rotating, after the template 26 is installed, the threaded ring 210 is screwed on the base plate 21, thereby pressing the template 26, and when cleaning, the threaded ring 210 and the template 26 can be taken out from the inside of the base plate 21, thereby facilitating cleaning.

[0027] As shown in Figure 3 and 4 , the edge of the filter screen 3 is provided with equidistantly distributed insertion holes 31, a plurality of insertion columns 211 respectively penetrate a plurality of insertion holes 31, the surface of the pressing plate 4 is provided with uniformly distributed distribution holes 41, and the surface of the pressing plate 4 is provided with a plurality of positioning holes 42 matched with the insertion columns 211.

[0028] According to the above structure, the molten plastic is filtered through the filter screen 3 before entering the refining die 2, the insertion columns 211 penetrating the insertion holes 31 can improve the stability of the insertion holes 31, and the setting of the pressing plate 4 plays a role in pressing the filter screen 3.

[0029] As shown in Figure 2 and 3 , the filter assembly 5 includes a filter disc 51, the inside of the filter disc 51 is provided with an iron sand layer 52, the bottom of the filter disc 51 is provided with equidistantly distributed positioning column barrels 53, the top ends of a plurality of insertion columns 211 are respectively inserted into a plurality of positioning column barrels 53, and the middle of the filter disc 51 is fixedly connected with a handle 54.

[0030] According to the above structure, when the filter disc 51 is installed, the top end of the insertion column 211 is inserted into the inside of the positioning column barrel 53, the inside of the filter disc 51 is filled with the iron sand layer 52 to filter the molten plastic, thereby avoiding that the impurities in the plastic and the plastic that is not completely melted block the discharge holes 27, and the setting of the handle 54 facilitates lifting the filter assembly 5, thereby facilitating disassembly and assembly of the filter assembly 5.

[0031] The working principle of the utility model is: when installing, the refining die 2 is clamped at the bottom of the outer cylinder 1, then the filter screen 3, the pressing plate 4, the filtering assembly 5 and the top cover 6 are installed on the refining die 2 in sequence, after use, when the inside residue needs to be cleaned, the top cover 6 is unscrewed from the outer cylinder 1, the filtering assembly 5, the pressing plate 4, the filter screen 3 and the refining die 2 can be taken out from the inside of the outer cylinder 1, the device is convenient to clean, when installing, the base plate 21 is inserted into the inside of the bottom edge 11, the plurality of protruding blocks 12 are inserted into the inside of the plurality of clamping grooves 24, thereby avoiding the refining die 2 from rotating, when spinning, the molten plastic is extruded into the inside of the outer cylinder 1 through the extruder, the plastic flows out through the discharge hole 27 on the surface of the template 26, the discharge hole 27 corresponds to the through hole 25, thereby prolonging the flow channel of spinning, when installing the template 26, the anti-fool block 29 is clamped into the inside of the anti-fool groove 28, thereby making the discharge hole 27 correspond to the through hole 25, the template 26 can also be avoided from rotating, after the template 26 is installed, the screw ring 210 is screwed on the base plate 21, thereby pressing the template 26, when cleaning, the screw ring 210 and the template 26 can be taken out from the inside of the base plate 21, thereby being convenient to clean, the molten plastic is filtered through the filter screen 3 before entering the refining die 2, the insertion column 211 penetrating the insertion hole 31 can improve the stability of the insertion hole 31, the pressing plate 4 is arranged to press the filter screen 3, when installing the filter disc 51, the top end of the insertion column 211 is inserted into the inside of the positioning column cylinder 53, the inside of the filter disc 51 is filled with the iron sand layer 52 to filter the molten plastic, thereby avoiding the impurities in the plastic and the plastic not completely melted from blocking the discharge hole 27, the handle 54 is arranged to facilitate lifting the filtering assembly 5, thereby facilitating disassembling the filtering assembly 5.

[0032] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary technical personnel in the prior art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model, such as no special description and limitation, are implemented according to the conventional means in the field.

Claims

1. An extrusion plastic fiber refining device comprising an outer cylinder (1) and a refining die (2), characterized in that: The thinning mold (2) is clamped and connected at the bottom of the outer cylinder (1), the top end of the thinning mold (2) is provided with a filter screen (3) for filtering molten plastic, the top end of the filter screen (3) is provided with a pressing plate (4), the top end of the pressing plate (4) is provided with a filter assembly (5) for rough filtering of molten plastic, the top end of the filter assembly (5) is provided with a top cover (6), the top cover (6) is screwed at the top end of the outer cylinder (1), and the middle part of the top cover (6) is provided with a connecting pipe (61).

2. A plastic fiber attenuating device of the extrusion type according to claim 1, characterized in that: The bottom end of the outer cylinder (1) is fixedly connected with a bottom edge (11), the inner wall of the bottom edge (11) is fixedly connected with protrusions (12) distributed at equal intervals, and the top of the inner wall of the bottom edge (11) is provided with a first threaded portion (13).

3. A device for the attenuation of extruded plastic fibres according to claim 2, characterised in that: The thinning mold (2) comprises a base plate (21) and a cylinder (22), the base plate (21) is fixedly connected at the bottom end of the cylinder (22), the base plate (21) is inserted into the inside of the bottom edge (11), the surface of the base plate (21) is provided with uniformly distributed through holes (25), and the side wall of the base plate (21) is provided with equidistantly distributed clamping grooves (24), and a plurality of clamping grooves (24) are respectively clamped and connected with a plurality of protrusions (12).

4. A device for the attenuation of extruded plastic fibres according to claim 3, characterised in that: The inside of the cylinder (22) is placed with a template (26), the surface of the template (26) is provided with uniformly distributed discharge holes (27), a plurality of discharge holes (27) are respectively correspondingly provided with a plurality of through holes (25), and the inner wall of the cylinder (22) is symmetrically provided with fool-proof blocks (29), the side wall of the template (26) is symmetrically provided with fool-proof grooves (28), and two fool-proof grooves (28) are respectively clamped and connected with two fool-proof blocks (29).

5. A device for the attenuation of extruded plastic fibres according to claim 4, characterised in that: The top of the base plate (21) is provided with a threaded ring (210), the top of the side wall of the base plate (21) is provided with a second threaded portion (23) matched with the threaded ring (210), and the top end of the threaded ring (210) is provided with equidistantly distributed insertion columns (211).

6. A device for the attenuation of extruded plastic fibres according to claim 5, characterised in that: The edge of the filter screen (3) is provided with equidistantly distributed insertion holes (31), and a plurality of insertion columns (211) are respectively inserted through a plurality of insertion holes (31).

7. A device for the attenuation of extruded plastic fibres according to claim 6, characterised in that: The surface of the pressing plate (4) is provided with uniformly distributed distribution holes (41), and the surface of the pressing plate (4) is provided with a plurality of positioning holes (42) matched with the insertion columns (211).

8. A device for the attenuation of extruded plastic fibres according to claim 7, characterised in that: The filter assembly (5) comprises a filter disc (51), the inside of the filter disc (51) is provided with an iron sand layer (52), the bottom of the filter disc (51) is provided with equidistantly distributed positioning column barrels (53), the top end of a plurality of insertion columns (211) is respectively inserted into the inside of a plurality of positioning column barrels (53), and the middle part of the filter disc (51) is fixedly connected with a handle (54).

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