Melting device for producing regenerated nylon fibers

Abstract

The utility model discloses a melting device for regenerated nylon fiber production, which comprises a rack, a feeding hopper, a reciprocating feeding mechanism and a melting mechanism are arranged on the rack, the reciprocating feeding mechanism is connected with the feeding hopper and the melting mechanism, the reciprocating feeding mechanism comprises a horizontally arranged feeding pipe, the feeding hopper is arranged at the upper end of the feeding pipe and is communicated with the feeding pipe, and the melting mechanism is connected with the feeding hopper. A push rod is arranged in the feeding pipe in a matched mode, one end of the feeding pipe is connected with the melting mechanism, a reciprocating mechanism is arranged at the other end of the feeding pipe, the push rod is connected with the reciprocating mechanism, the reciprocating mechanism comprises a stop lever vertically arranged on the push rod, a rotating disc driven by a servo motor is rotationally installed on the machine frame, and a driving rod for pushing the stop lever is arranged on the rotating disc. The servo motor is used for controlling the reciprocating motion, and when the reciprocating motion mechanism is used in an automatic system, the reciprocating motion mechanism is beneficial to accurate control.

Description

Technical Field

[0001] The utility model relates to the technical field of regenerated nylon fiber production, in particular to a melting device for regenerated nylon fiber production. Background Art

[0002] Regenerated nylon fiber is usually produced by melting nylon slices, filtering, spinning, etc. When melting nylon slices, the prior art usually uses a cylinder to push the nylon slices back and forth into the melting mechanism, but the cylinder will leak after a period of use, so when using automatic control, the control system cannot accurately control the cylinder. Utility Model Content

[0003] In order to solve the above-mentioned deficiencies in the prior art, the utility model provides a melting device for producing regenerated nylon fibers.

[0004] In order to achieve the above technical effects, the utility model adopts the following scheme:

[0005] A melting device for producing regenerated nylon fiber comprises a frame, the frame is provided with a feed hopper, a reciprocating feeding mechanism and a melting mechanism, the reciprocating feeding mechanism connects the feed hopper and the melting mechanism, the reciprocating feeding mechanism comprises a horizontally arranged feed pipe, the feed hopper is installed at the upper end of the feed pipe and is connected with the feed pipe, a push rod is matched in the feed pipe, one end of the feed pipe is connected with the melting mechanism, the other end of the feed pipe is provided with a reciprocating mechanism, the push rod is connected with the reciprocating mechanism, the reciprocating mechanism comprises a baffle rod vertically arranged on the push rod, a turntable driven by a servo motor is rotatably mounted on the frame, a driving rod for pushing the baffle rod is provided on the turntable, a baffle block is fixedly provided on the push rod, the baffle block is connected to the frame via a spring, the spring is arranged parallel to the push rod, and the push rod is connected with a guide mechanism.

[0006] A preferred technical solution, the melting mechanism includes a horizontally arranged high thermal conductivity ceramic tube, the feeding tube is connected and communicated with one end of the high thermal conductivity ceramic tube, the end surface of the high thermal conductivity ceramic tube away from the feeding tube is provided with a plurality of jacks extending inwardly, the plurality of jacks are evenly distributed along the central axis of the high thermal conductivity ceramic tube, an electric heating tube is matched and inserted into the jack, and a layer of thermal insulation sleeve is provided on the outer wall of the high thermal conductivity ceramic tube.

[0007] According to a preferred technical solution, the heat insulating sleeve is a high temperature resistant heat insulating sleeve.

[0008] A preferred technical solution is that an extension tube is coaxially connected to one end of the high thermal conductivity ceramic tube away from the feeding tube, the inner diameter of the extension tube is consistent with the inner diameter of the high thermal conductivity ceramic tube, the outer diameter of the extension tube is smaller than the outer diameter of the high thermal conductivity ceramic tube, the jack is located on the outside of the extension tube, an end cover connected to the high thermal conductivity ceramic tube is sleeved on the extension tube, the inner side of the end cover is recessed with a plurality of wiring grooves corresponding to the jacks, the wiring grooves extend from the inside of the end cover toward the edge, and the end cover is connected to the high thermal conductivity ceramic tube by bolts.

[0009] According to a preferred technical solution, the guide mechanism comprises a plurality of guide blocks fixedly mounted on the frame, the guide blocks are provided with guide holes matching the push rods, and the push rods are mounted in the guide holes and slide.

[0010] Compared with the prior art, the beneficial effects are:

[0011] The utility model has a simple structure and is easy to use. The servo motor drives the turntable to rotate, thereby pushing the push rod forward through the driving rod, pushing the nylon slices sent from the hopper to the feeding pipe into the melting mechanism, and then resets them through the elastic force of the spring. The servo motor is used to control the reciprocating motion in the utility model, which is conducive to precise control when used in an automation system. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional schematic diagram of the utility model;

[0013] Figure 2 yes Figure 1 The enlarged structural diagram of part A in the middle;

[0014] Figure 3 It is a schematic diagram of the inner side of the end cover of the utility model;

[0015] Figure 4 It is a side schematic diagram of the guide block in the utility model.

[0016] Figure numerals: 1. hopper; 2. feeding pipe; 3. push rod; 4. stop rod; 5. turntable; 6. driving rod; 7. stop block; 8. spring; 9. guide block; 10. guide hole; 11. high thermal conductivity ceramic tube; 12. electric heating tube; 13. insulation sleeve; 14. extension tube; 15. end cover; 16. wiring groove. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] A melting device for producing regenerated nylon fibers comprises a frame, on which a feed hopper 1, a reciprocating feeding mechanism and a melting mechanism are arranged, wherein the reciprocating feeding mechanism connects the feed hopper 1 and the melting mechanism, nylon slices are put into the feed hopper 1, and then the nylon slices in the feed hopper 1 are sent to the melting mechanism for melting through the reciprocating feeding mechanism;

[0019] The reciprocating feeding mechanism includes a horizontally arranged feeding pipe 2, the feeding hopper 1 is installed at the upper end of the feeding pipe 2 and is connected to the feeding pipe 2, a push rod 3 is matched in the feeding pipe 2, and the circumferential dimension of the push rod 3 is consistent with the circumferential dimension in the feeding pipe 2, that is, the side wall of the push rod 3 moves along the inner wall of the feeding pipe 2, one end of the feeding pipe 2 is connected to the melting mechanism, and the other end of the feeding pipe 2 is provided with a reciprocating mechanism, and the push rod 3 is connected to the reciprocating mechanism. Usually, the end of the push rod 3 facing the melting mechanism is initially located in the feeding hopper 1 away from the melting mechanism. The push rod 3 is moved to one side of the structure, so that the nylon slices in the hopper 1 can enter the feeding pipe 2, and then the nylon slices in the feeding pipe 2 are pushed into the melting mechanism by the push rod 3. During the movement of the push rod 3, the push rod 3 fills the feeding pipe 2, so the connection between the hopper 1 and the feeding pipe 2 is closed during this process, and the nylon slices will not enter the feeding pipe 2 until the push rod 3 is reset, and the nylon slices in the hopper 1 enter the feeding pipe 2 again. The push rod 3 repeats the above movement, and gradually sends the nylon slices in the hopper 1 into the melting mechanism for melting;

[0020] The reciprocating mechanism includes a baffle rod 4 vertically arranged on the push rod 3, a turntable 5 driven by a servo motor is rotatably installed on the frame, a driving rod 6 for pushing the baffle rod 4 is provided on the turntable 5, and the driving rod 6 is located on the side of the baffle rod 4 away from the feeding tube 2, so that when the turntable 5 rotates, the driving rod 6 can push the baffle rod 4 in the direction of the feeding tube 2, a baffle block 7 is fixedly provided on the push rod 3, and the baffle block 7 is connected to the frame through a spring 8, one end of the spring 8 is fixedly connected to the baffle block 7, and the other end of the spring 8 is fixedly connected to the frame, the spring 8 is arranged parallel to the push rod 3, and the spring 8 is located on the side of the baffle block 7 facing the feeding tube 2, when the push rod 3 moves in the direction of the feeding tube 2 to push the nylon slice into the melting mechanism, the spring 8 is compressed, and after the nylon slice is pushed, the push rod 3 is reset under the elastic force of the spring 8, and the push rod 3 is connected with a guide mechanism.

[0021] The utility model adopts a servo motor to control the reciprocating motion, which is beneficial to accurate control when used in an automation system.

[0022] A preferred technical solution, the melting mechanism includes a horizontally arranged high thermal conductivity ceramic tube 11, the high thermal conductivity ceramic tube 11 is a tubular object made of high thermal conductivity ceramic material, the feeding tube 2 is connected and communicated with one end of the high thermal conductivity ceramic tube 11, the inner diameter of the feeding tube 2 is not larger than the inner diameter of the high thermal conductivity ceramic tube 11, the end surface of the high thermal conductivity ceramic tube 11 away from the feeding tube 2 is inwardly extended with a plurality of jacks, the plurality of jacks are evenly distributed along the central axis of the high thermal conductivity ceramic tube 11, an electric heating tube 12 is matched and inserted into the jack, and a layer of thermal insulation sleeve 13 is provided on the outer wall of the high thermal conductivity ceramic tube 11.

[0023] The nylon slices in the feeding tube 2 are pushed into the high thermal conductivity ceramic tube 11 by the push rod 3, the electric heating tube 12 generates heat, and the nylon slices are heated and melted by the transfer of the high thermal conductivity ceramic tube 11. The molten nylon moves in the high thermal conductivity ceramic tube 11, and the nylon slices gradually pushed into the high thermal conductivity ceramic tube 11 are squeezed forward, so that the molten nylon is pushed out of the high thermal conductivity ceramic tube 11.

[0024] According to a preferred technical solution, the heat insulating sleeve 13 is a high temperature resistant heat insulating sleeve.

[0025] A preferred technical solution is that an extension tube 14 is coaxially connected to one end of the high thermal conductivity ceramic tube 11 away from the feeding tube 2, the inner diameter of the extension tube 14 is consistent with the inner diameter of the high thermal conductivity ceramic tube 11, the outer diameter of the extension tube 14 is smaller than the outer diameter of the high thermal conductivity ceramic tube 11, the jack is located on the outside of the extension tube 14, and an end cover 15 connected to the high thermal conductivity ceramic tube 11 is sleeved on the extension tube 14, and the inner side of the end cover 15 is recessed with a plurality of wiring grooves 16 corresponding to the jacks one by one, and the wiring grooves 16 extend from the inside of the end cover 15 toward the edge, and the end cover 15 is connected to the high thermal conductivity ceramic tube 11 by bolts.

[0026] After the end cap 15 is connected to the high thermal conductivity ceramic tube 11, the conductive wire of the electric heating tube 12 extends along the wiring groove 16 to the surrounding of the high thermal conductivity ceramic tube 11, and the electric heating tube 12 is sealed by the end cap 15 to prevent it from falling out of the socket.

[0027] According to a preferred technical solution, the guide mechanism includes a plurality of guide blocks 9 fixed on the frame, the guide blocks 9 are provided with guide holes 10 matching the push rods 3, and the push rods 3 are clamped in the guide holes 10 and slide.

[0028] In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present utility model.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. A melting device for producing regenerated nylon fibers, characterized in that: The invention comprises a frame, on which a feed hopper (1), a reciprocating feeding mechanism and a melting mechanism are arranged, the reciprocating feeding mechanism connects the feed hopper (1) and the melting mechanism, the reciprocating feeding mechanism comprises a horizontally arranged feeding pipe (2), the feed hopper (1) is installed at the upper end of the feeding pipe (2) and is connected to the feeding pipe (2), a push rod (3) is matched in the feeding pipe (2), one end of the feeding pipe (2) is connected to the melting mechanism, and the other end of the feeding pipe (2) is provided with a reciprocating feeding mechanism. The push rod (3) is connected to a reciprocating mechanism, the reciprocating mechanism comprises a stop rod (4) vertically arranged on the push rod (3), a turntable (5) driven by a servo motor is rotatably mounted on the frame, a driving rod (6) for pushing the stop rod (4) is arranged on the turntable (5), a stop block (7) is fixedly arranged on the push rod (3), the stop block (7) is connected to the frame via a spring (8), the spring (8) is arranged parallel to the push rod (3), and the push rod (3) is connected to a guide mechanism.

2. A melting device for producing regenerated nylon fibers as claimed in claim 1, characterized in that: The melting mechanism comprises a horizontally arranged high thermal conductivity ceramic tube (11), the feeding tube (2) is connected to and communicated with one end of the high thermal conductivity ceramic tube (11), a plurality of plug holes are provided inwardly extending from the end surface of the high thermal conductivity ceramic tube (11) away from the feeding tube (2), the plurality of plug holes are evenly distributed along the central axis of the high thermal conductivity ceramic tube (11), an electric heating tube (12) is matched and inserted into the plug holes, and a layer of heat insulation sleeve (13) is provided on the outer wall of the high thermal conductivity ceramic tube (11).

3. A melting device for producing regenerated nylon fibers as claimed in claim 2, characterized in that: The heat insulating sleeve (13) is a high temperature resistant heat insulating sleeve.

4. A melting device for producing regenerated nylon fibers as claimed in claim 2, characterized in that: An extension tube (14) is coaxially connected to one end of the high thermal conductivity ceramic tube (11) away from the feeding tube (2); the inner diameter of the extension tube (14) is consistent with the inner diameter of the high thermal conductivity ceramic tube (11); the outer diameter of the extension tube (14) is smaller than the outer diameter of the high thermal conductivity ceramic tube (11); the plug hole is located on the outside of the extension tube (14); an end cover (15) connected to the high thermal conductivity ceramic tube (11) is sleeved on the extension tube (14); a plurality of wiring grooves (16) corresponding to the plug holes are recessed on the inner side of the end cover (15); the wiring grooves (16) extend from the inside of the end cover (15) toward the edge; the end cover (15) is connected to the high thermal conductivity ceramic tube (11) by bolts.

5. A melting device for producing regenerated nylon fibers as claimed in claim 1, characterized in that: The guide mechanism comprises a plurality of guide blocks (9) fixedly arranged on the frame, the guide blocks (9) being provided with guide holes (10) matching with the push rods (3), and the push rods (3) being clamped in the guide holes (10) and slidingly arranged.

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