Melt filtering device meeting double-screw feeding

Abstract

The utility model discloses a melt filtering device meeting double-screw feeding, and relates to the technical field of non-woven fabrics, the melt filtering device meeting the double-screw feeding comprises a filter main body, one side of the filter main body is provided with two melt inlet and outlet seats, and the two melt inlet and outlet seats are arranged on the other side of the filter main body. Discharging switching valves are arranged at the front end and the rear end, close to the top end, of the melt inlet and outlet seat, and feeding switching valves are arranged at the front end and the rear end, close to the bottom end, of the melt inlet and outlet seat. The problems that in the prior art, part of slices in a large drying tower need to be blown to a small drying tower for secondary drying and heat preservation, then melt conveying is conducted through a small screw extruder and a small filter, the distance between the large melt filter and the small melt filter is long, temperature control cannot be completely consistent, and electric energy and heat energy losses are large are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to non - woven cloth technical field, concretely is a kind of melt filter device satisfying double screw rod feed. BACKGROUND

[0002] Non - woven cloth is a kind of fabric formed without spinning and weaving, by the directional or random arrangement of textile short fibers or filaments, form web structure, then using mechanical, hot adhesive or chemical method reinforcement, need to use melt filter device to filter treatment to raw material in production process;

[0003] For example, the Chinese authorized patent (a melt filter for non-woven cloth spinning) with the announcement number CN221964651U: including shell frame, the upper part of the shell frame is equipped with sealing cover, the inside of the sealing cover is inserted with screw, the upper part of the shell frame is penetrated, the inside of the sealing cover is sealed and movably installed with screw rod, the inside of the shell frame is clamped with filter screen, the screw rod is movably contacted with shell frame and filter screen, the upper part of the shell frame is sleeved with spring, the lower end of the spring is movably contacted with sealing cover, and the upper end of the spring is fixedly connected with screw rod. Close the external valve, make the melt pass through the screw rod and act on the filter screen, filter the impurities in the melt by using the filter screen, make the impurities accumulate in the filter screen, then rotate the screw rod by screwing, push the impurities downward by the screw rod, make the impurities enter the lower part of the shell frame, when the lower part of the shell frame is accumulated, open the external valve, conveniently discharge the impurities outward, conveniently reduce the replacement frequency of the filter screen.

[0004] However, the existing production line melt filter system only satisfies single screw extruder for melt conveying and filtering, before chip melting and extrusion, part of the chips in the large drying tower needs to be blown to the small drying tower for secondary drying and heat preservation, then pass through small screw extruder and small filter for melt conveying, the distance between the large and small two groups of melt filters is far, temperature control cannot be completely consistent, and the electric energy and heat energy loss is large;Therefore, it does not meet the existing demand, and for this, we propose a melt filter device satisfying double screw rod feed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a melt filter device satisfying double screw rod feed to solve the problem that the existing production line melt filter system only satisfies single screw extruder for melt conveying and filtering in the above background art, before chip melting and extrusion, part of the chips in the large drying tower needs to be blown to the small drying tower for secondary drying and heat preservation, then pass through small screw extruder and small filter for melt conveying, the distance between the large and small two groups of melt filters is far, temperature control cannot be completely consistent, and the electric energy and heat energy loss is large.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a melt filter device satisfying double screw rod feeding, which comprises: a filter main body, one side of the filter main body is provided with two melt access seats, the front and rear ends of the melt access seat close to the top are provided with discharge switching valves, the front and rear ends of the melt access seat close to the bottom are provided with feeding switching valves, and one melt access seat corresponds to two discharge switching valves and two feeding switching valves.

[0007] Preferably, one side surface of the melt access seat close to the top is provided with a melt outlet, and both sides of the melt outlet are provided with exhaust and material outlets.

[0008] Preferably, one side surface of the melt access seat close to the bottom is provided with a melt inlet, and the melt inlet and the melt outlet are both provided with two.

[0009] Preferably, the other side surface of the filter main body close to the top is provided with a heat transfer medium outlet, the other side surface of the filter main body close to the bottom is provided with a heat transfer medium inlet, and a temperature sensor is arranged between the heat transfer medium outlet and the heat transfer medium inlet.

[0010] Preferably, the top end of the filter main body is provided with four exhaust and material discharge valves, and one side of the bottom end of the filter main body is provided with a waste outlet.

[0011] Preferably, the lower surface of the filter main body is provided with a support base, and the support base is welded and fixed with the filter main body.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1), the utility model discloses two melt access seats are arranged on one side of the filter main body, one melt access seat corresponds to two discharge switching valves and two feeding switching valves, thereby changing the mode that one original screw rod extruder corresponds to a group of melt filters, combining the melt filters of the double screw rod extruder production line, realizing the satisfaction of double screw rod feeding, the simultaneous temperature rising, temperature keeping and temperature dropping, reducing the heat and electric energy consumption, the heat transfer medium is introduced into the filter main body through the heat transfer medium inlet, and is discharged through the heat transfer medium outlet, and the circulation operation plays a heating effect on the filter main body, and the temperature sensor is used for temperature monitoring, so that the temperature change can be known in time, the observation effect is improved, and the problems that the existing production line melt filter system only satisfies the melt conveying and filtering of a single screw rod extruder, the part of the chips in the large drying tower needs to be blown to the small drying tower for secondary drying and temperature keeping before the chip melting extrusion, the melt conveying is carried out through the small screw rod extruder and the small filter, the distance between the two groups of melt filters is far, the temperature control cannot be completely consistent, and the electric energy and heat energy consumption is large. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0015] Figure 2 This is a top view of the overall structure of this utility model;

[0016] In the diagram: 1. Filter body; 2. Melt outlet; 3. Exhaust and material outlet; 4. Melt inlet; 5. Exhaust and material discharge valve; 6. Heat transfer medium outlet; 7. Heat transfer medium inlet; 8. Temperature sensor; 9. Waste outlet; 10. Discharge switching valve; 11. Feed switching valve; 12. Melt inlet / outlet seat; 13. Support base. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Please see Figures 1-2The utility model provides a kind of embodiment of satisfying double screw feed melt filter device, comprising: filter main body 1, the side of filter main body 1 is provided with melt inlet and outlet seat 12, and melt inlet and outlet seat 12 is provided with two, melt inlet and outlet seat 12 is close to the front and rear end of top end and is provided with discharge switching valve 10, melt inlet and outlet seat 12 is close to the front and rear end of bottom end and is provided with feed switching valve 11, and one melt inlet and outlet seat 12 respectively correspond two discharge switching valve 10 and two feed switching valve 11, melt inlet and outlet seat 12 is close to the side surface of top end and is provided with melt outlet 2, both sides of melt outlet 2 are provided with exhaust and material outlet 3, melt inlet and outlet seat 12 is close to the side surface of bottom end and is provided with melt inlet 4, and melt inlet 4 and melt outlet 2 are provided with two, the surface of other side of filter main body 1 is close to top end and is provided with heat transfer medium outlet 6, the surface of other side of filter main body 1 is close to bottom end and is provided with heat transfer medium inlet 7, temperature sensor 8 is arranged between heat transfer medium outlet 6 and heat transfer medium inlet 7, the top end of filter main body 1 is provided with exhaust and material discharge valve 5, and exhaust and material discharge valve 5 is provided with four, the side of filter main body 1 bottom end is provided with waste outlet 9, slice is melted extrusion by screw extruder, and in melt form from melt inlet 4 into filter main body 1 inside, feed switching is controlled by feed switching valve 11, melt pipe and filter core are installed in filter main body 1 inside, melt reaches filter core by melt pipe, and the fine impurities in melt are completely filtered after the filtration of filter core, and the melt after filtration is discharged from melt outlet 2, and the exhaust and material discharge valve 5 controls the discharge amount of the gas and material, and the exhaust and material outlet 3 is discharged, and the impurities after filtration are discharged from waste outlet 9, since one melt inlet and outlet seat 12 respectively correspond two discharge switching valve 10 and two feed switching valve 11, one has two melt inlet and outlet seat 12, thereby changing the mode that original one screw extruder corresponds a group of melt filter, melt filter of double screw extruder production line is combined, satisfies double screw feed, can satisfy temperature rise, temperature holding and temperature drop simultaneously, reduces heat and electric energy consumption, heat transfer medium is introduced into filter main body 1 inside by heat transfer medium inlet 7, and is discharged by heat transfer medium outlet 6, and the heating effect is realized to filter main body 1 by circulation operation, and temperature monitoring is carried out by temperature sensor 8, so as to understand temperature change in time, and improve observation effect.

[0019] Please refer to Figure 1 The lower surface of filter main body 1 is provided with support base 13, and support base 13 is welded and fixed with filter main body 1, to support filter main body 1.

[0020] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A melt filter device for twin screw feeding, comprising a filter body (1), characterized in that: One side of the filter body (1) is provided with melt inlet and outlet seats (12), and the melt inlet and outlet seats (12) are provided with two, the melt inlet and outlet seats (12) are provided with discharge switching valves (10) near the front and rear ends of the top end, the melt inlet and outlet seats (12) are provided with feeding switching valves (11) near the front and rear ends of the bottom end, and one melt inlet and outlet seat (12) corresponds to two discharge switching valves (10) and two feeding switching valves (11) respectively.

2. A melt filter for twin screw feeding according to claim 1, characterized in that: The melt inlet and outlet seats (12) are provided with melt outlets (2) on one side surface near the top end, and the melt outlets (2) are provided with exhaust and material outlets (3) on both sides.

3. A melt filter for twin screw feeding according to claim 2, characterized in that: The melt inlet and outlet seats (12) are provided with melt inlets (4) on one side surface near the bottom end, and the melt inlets (4) and the melt outlets (2) are provided with two.

4. The melt filter to satisfy twin screw feeding according to claim 1, characterized in that: The other side of the filter body (1) is provided with a heat transfer medium outlet (6) near the top end, and the other side of the filter body (1) is provided with a heat transfer medium inlet (7) near the bottom end, and the heat transfer medium outlet (6) and the heat transfer medium inlet (7) are provided with a temperature sensor (8) therebetween.

5. A melt filter for twin screw feeding according to claim 1, characterized in that: The top end of the filter body (1) is provided with exhaust and material discharge valves (5), and the exhaust and material discharge valves (5) are provided with four, and one side of the bottom end of the filter body (1) is provided with a waste outlet (9).

6. A melt filter for twin screw feeding according to claim 1, characterized in that: The lower surface of the filter body (1) is provided with a supporting chassis (13), and the supporting chassis (13) is welded and fixed with the filter body (1).

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