CN216366718U

CN216366718U - Polyamide chip extraction discharging device

Info

Publication number: CN216366718U
Application number: CN202123055102.8U
Authority: CN
Inventors: 任仲华; 张忠懿; 林晓东; 潘永超
Original assignee: Fujian Zhongjin New Materials Co ltd
Current assignee: Fujian Zhongjin New Materials Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-26
Anticipated expiration: 2031-12-07

Abstract

The utility model belongs to the technical field of polyamide slice processing, in particular to a polyamide slice extraction discharging device, which aims at the problems of overhigh temperature and inconvenient cleaning of a filter in an extraction tower when raw materials enter the extraction tower during polyamide slice processing; according to the utility model, cooling water is contained in the spiral cooling mechanism, polyamide slice raw materials are introduced into the conveying pipe through the spiral cooling mechanism, the cooling water in the cooling mechanism is used for rapidly cooling the polyamide slice raw materials, the gear b and the rack b are matched to drive the filter plate to reciprocate in the conveying pipe, the bevel gear b drives the cleaning mechanism to clean the upper surface of the filter plate, and the filter holes in the filter plate are continuously cleaned, so that the filter holes are kept smooth, and the working efficiency of the filter plate is stabilized.

Description

Polyamide chip extraction discharging device

Technical Field

The utility model relates to the technical field of polyamide chip processing, in particular to a polyamide chip extraction discharging device.

Background

Polyamide chips are commonly called nylon chips and nylon chips. Since macromolecules contain amide bonds, they are called polyamides. The chinlon slices are generally white cylindrical particles, the melting point is 210-220 ℃, and the decomposition temperature is about 300 ℃. Can be dissolved in phenol and hot concentrated sulfuric acid, and has excellent electrical insulation performance, alkali resistance and corrosion resistance. Chinlon is the fiber with the best wear resistance in synthetic fibers. The nylon 6 is prepared from caprolactam solid serving as a raw material by melting, proportioning, pre-polymerization, tape injection slicing, extraction and drying.

In the existing production process, the melt after polymerization is directly conveyed to an underwater slicer through a pipeline for slicing, particles after slicing directly enter an extraction tower from the top of the extraction tower for extraction and then are filtered, the temperature is too high when the particles enter the extraction tower, so that the slices are easily oxidized and yellow, the whiteness of the slices is reduced, meanwhile, in the actual production, due to the reasons of slice shape difference, abnormal production and the like, the situation that a filter in the extraction tower is blocked can occur, the traditional treatment method is to take out the filter, the filter screen of the filter is cleaned, time and labor are wasted, and the temperature fluctuation of the extraction tower is easily caused to be large, so that the extraction effect is poor.

Therefore, a polyamide chip extraction discharging device is needed to solve the problems that the temperature is too high when raw materials enter an extraction tower and a filter in the extraction tower is inconvenient to clean during polyamide chip processing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a polyamide chip extraction discharging device, which solves the problems that when raw materials enter an extraction tower during polyamide chip processing, the temperature is too high and a filter in the extraction tower is inconvenient to clean.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a polyamide section extraction discharging device, includes the extraction tower, the top of extraction tower is provided with the shell, the top of shell is provided with and is spiral cooling body, the side of shell is fixed with the install bin, sliding connection has the filter that sets up in the cooling body below in the shell, the one end side of filter is fixed with rack b, the meshing is connected with gear b on the rack b, coaxial fixed with pivot an on the gear b, the one end coaxial fixation that gear b was kept away from to pivot an has bevel gear b, coaxial connection has the servo motor fixed with the install bin inside wall on the bevel gear b, bevel gear b is last to transmit to be connected with the clear mechanism that leads to of setting in the install bin.

Preferably, the cooling mechanism includes the conveying pipeline fixed with shell top inside wall, the conveying pipeline is the heliciform, set up the cooling chamber in the conveying pipeline, set up the conveying chamber that sets up at the cooling intracavity side in the conveying pipeline.

Preferably, clear mechanism of leading to includes the bevel gear a of being connected with bevel gear b meshing, the coaxial pivot b that is fixed with on the bevel gear a, all coaxial being fixed with gear a on the pivot b both ends, the meshing is connected with rack an on the gear a, rack an one end side is fixed with the brush that sets up the laminating in the filter side.

Preferably, the rack a far away from the rack b is connected with a bevel gear b fixed with the outer side wall of the installation box in a sliding manner, the rack b is connected with a supporting seat a fixed with the inner side wall of the bottom end of the installation box in a sliding manner, and the rack a close to the rack b is connected with a supporting seat b fixed with the inner side wall of the bottom end of the installation box in a sliding manner.

Preferably, the inside of shell is provided with the stopper with filter plate end side sliding fit.

Preferably, the side wall of the mounting box is provided with a discharge port, and the discharge port corresponds to the brush in position.

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

1. the cooling water is contained in the spiral cooling cavity, the polyamide chip raw material is introduced into the extraction tower from top to bottom through the spiral material conveying cavity, the raw material flow stroke is large, the cooling water in the cooling cavity fully cools the polyamide chip raw material, the temperature of the polyamide chip raw material is reduced, and the phenomenon that the polyamide chip raw material is easily oxidized and yellowed when the polyamide chip raw material enters the extraction tower due to overhigh temperature is avoided.

2. When the filter plate is cleaned, the servo motor is started to rotate in a reciprocating mode, the servo motor drives the rotating shaft a to rotate, the rotating shaft a drives the bevel gear b and the gear b which are installed on the rotating shaft a to rotate, the gear a and the rack a are matched to drive the brushes arranged above the two ends of the filter plate to clean the upper surface of the filter plate in a reciprocating mode, filter holes in the filter plate are continuously cleaned, the filter holes are always kept in a smooth state, and the working efficiency of the filter plate is stabilized.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a partial structural view of the clearing mechanism of the present invention;

FIG. 4 is a partial schematic view of the cooling mechanism of the present invention;

fig. 5 is an enlarged schematic view of B in fig. 4.

In the figure: 1. a cooling mechanism; 101. a delivery pipe; 102. a cooling chamber; 103. a material conveying cavity; 2. a clearing mechanism; 201. a brush; 202. a rack a; 203. a gear a; 204. a bevel gear a; 3. a housing; 4. an extraction tower; 5. a filter plate; 6. a limiting block; 7. installing a box; 8. a support seat a; 9. a support seat b; 11. a discharge port; 12. a servo motor; 13. a rotating shaft a; 14. a bevel gear b; 15. a rotating shaft b; 16. a rack b; 17. and a gear b.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a polyamide chip extraction discharging device comprises an extraction tower 4, a shell 3 is arranged at the top end of the extraction tower 4, a spiral cooling mechanism 1 is arranged at the top end of the shell 3, a mounting box 7 is fixed on the side surface of the shell 3, a filter plate 5 arranged below the cooling mechanism 1 is connected in the shell 3 in a sliding manner, a rack b16 is fixed on the side surface of one end of the filter plate 5, a gear b17 is connected on the rack b16 in a meshing manner, a rotating shaft a13 is coaxially fixed on the gear b17, a bevel gear b14 is coaxially fixed on the end, far away from the gear b17, of the rotating shaft a13, a servo motor 12 fixed on the inner side wall of the mounting box 7 is coaxially connected on a bevel gear b14, and a clearing mechanism 2 arranged in the mounting box 7 is in a transmission manner on a bevel gear b 14; when polyamide chip raw materials are cooled, cooling water is contained in a spiral cooling mechanism 1, the polyamide chip raw materials are introduced into an extraction tower 4 through the spiral cooling mechanism 1, the polyamide chip raw materials are rapidly cooled by the cooling water in the cooling mechanism 1, the polyamide chip raw materials are prevented from being too high in temperature when entering the extraction tower 4, so that chips are easy to oxidize and yellow, when a filter plate 5 is cleaned, a servo motor 12 is started to work, the servo motor 12 drives a rotating shaft a13 to rotate, the rotating shaft a13 drives a bevel gear b14 and a gear b17 which are installed on the rotating shaft a13 to rotate, the gear b17 and a rack b16 are matched to drive the filter plate 5 to reciprocate in the extraction tower 4, meanwhile, the bevel gear b14 drives a cleaning mechanism 2 to reciprocate the upper surface of the filter plate 5, filter holes in the filter plate 5 are continuously cleaned, and the filter holes are always kept in a smooth state, the working efficiency of the filter plate 5 is stabilized.

The cooling mechanism 1 comprises a material conveying pipe 101 fixed with the inner side wall of the top end of the shell 3, the material conveying pipe 101 is spiral, a cooling cavity 102 is formed in the material conveying pipe 101, and a material conveying cavity 103 arranged on the inner side of the cooling cavity 102 is formed in the material conveying pipe 101; when polyamide chip raw materials are cooled, cooling water is contained in the spiral cooling cavity 102, the polyamide chip raw materials are introduced into the extraction tower 4 from top to bottom through the spiral conveying cavity 103, the raw material flow stroke is large, the cooling water in the cooling cavity 102 fully cools the polyamide chip raw materials, the temperature of the polyamide chip raw materials is reduced, and the polyamide chip raw materials are prevented from being oxidized and yellowed easily due to overhigh temperature when entering the extraction tower 4.

The dredging mechanism 2 comprises a bevel gear a204 meshed and connected with a bevel gear b14, a rotating shaft b15 is coaxially fixed on the bevel gear a204, gears a203 are coaxially fixed at two ends of the rotating shaft b15, a rack a202 is meshed and connected with the gears a203, and a brush 201 attached to the side face of the filter plate 5 is fixed on the side face of one end of the rack a 202; when clearing up filter 5 in the extraction tower 4, start servo motor 12 and carry out reciprocating motion, servo motor 12 drives pivot a13 and rotates, pivot a13 drives bevel gear b14 and gear b17 installed on it and rotates, gear b17 and rack b16 cooperation drive filter 5 reciprocating motion in extraction tower 4, bevel gear b14 drive gear a203 rotates simultaneously, gear a203, rack a202 cooperation drives the setting and reciprocates the clearance at the brush 201 of filter 5 both ends top to the upper surface of filter 5, it leads to continuously to clear up the filtration pore on the filter 5, make the filtration pore remain unobstructed state all the time, stabilize the work efficiency of filter 5.

A limiting block 6 which is matched with the end face of the filter plate 5 in a sliding way is arranged in the extraction tower 4; during specific work, the limiting block 6 limits and guides the movement of the filter plate 5.

A discharge port 11 is formed in the side wall of the mounting box 7, and the discharge port 11 corresponds to the brush 201 in position; during specific work, the brush 201 pushes out impurities cleaned from the filter plate 5 from the discharge hole 11 for removal.

The working principle is as follows: when polyamide chip raw materials are cooled, cooling water is contained in the spiral cooling cavity 102, the polyamide chip raw materials are introduced into the extraction tower 4 from top to bottom through the spiral conveying cavity 103, the raw material flow stroke is large, the cooling water in the cooling cavity 102 fully cools the polyamide chip raw materials, the temperature of the polyamide chip raw materials is reduced, and the phenomenon that the chips are easily oxidized and yellow due to overhigh temperature when the polyamide chip raw materials enter the extraction tower 4 is avoided; when the filter 5 in the extraction tower 4 is cleared up, start servo motor 12 and carry out reciprocating rotation, servo motor 12 drives pivot a13 and rotates, pivot a13 drives bevel gear b14 and gear b17 installed on it and rotates, gear b17 and rack b16 cooperation drive filter 5 reciprocating motion in extraction tower 4, bevel gear b14 drive gear a203 rotates simultaneously, gear a203, rack a202 cooperation drives the brush 201 that sets up above the filter 5 both ends and carries out reciprocating cleaning to the upper surface of filter 5, the impurity that the brush 201 cleaned down on with the filter 5 is released in following discharge gate 11, the last filtration pore of clearing through filter 5 lasts, make the filtration pore remain unobstructed state all the time, stabilize the work efficiency of filter 5.

The servo motor 12 is commercially available, and the servo motor 12 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so repeated description in the specification is omitted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The polyamide chip extraction and discharge device comprises an extraction tower (4) and is characterized in that a shell (3) is arranged at the top end of the extraction tower (4), a spiral cooling mechanism (1) is arranged at the top end of the shell (3), a mounting box (7) is fixed on the side face of the shell (3), a filter plate (5) arranged below the cooling mechanism (1) is connected in the shell (3) in a sliding manner, a rack b (16) is fixed on the side face of one end of the filter plate (5), a gear b (17) is connected on the rack b (16) in a meshing manner, a rotating shaft a (13) is coaxially fixed on the gear b (17), a bevel gear b (14) is coaxially fixed at one end, far away from the gear b (17), of the rotating shaft a (13), and a servo motor (12) fixed on the inner side wall of the mounting box (7) is coaxially connected on the bevel gear b (14), the bevel gear b (14) is in transmission connection with a clearing mechanism (2) arranged in the installation box (7).

2. The polyamide chip extracting and discharging device as claimed in claim 1, wherein the cooling mechanism (1) comprises a material conveying pipe (101) fixed to the inner side wall of the top end of the housing (3), the material conveying pipe (101) is spiral, a cooling cavity (102) is formed in the material conveying pipe (101), and a material conveying cavity (103) is formed in the material conveying pipe (101) and is arranged inside the cooling cavity (102).

3. The polyamide chip extraction discharging device according to claim 1, wherein the dredging mechanism (2) comprises a bevel gear a (204) meshed with a bevel gear b (14), a rotating shaft b (15) is coaxially fixed on the bevel gear a (204), gears a (203) are coaxially fixed on two ends of the rotating shaft b (15), a rack a (202) is meshed with the gears a (203), and a brush (201) attached to the side surface of the filter plate (5) is fixed on the side surface of one end of the rack a (202).

4. The polyamide chip extraction discharging device as claimed in claim 3, wherein the rack a (202) far away from the rack b (16) is slidably connected with a bevel gear b (14) fixed with the outer side wall of the installation box (7), the rack b (16) is slidably connected with a supporting seat a (8) fixed with the inner side wall of the bottom end of the installation box (7), and the rack a (202) close to the rack b (16) is slidably connected with a supporting seat b (9) fixed with the inner side wall of the bottom end of the installation box (7).

5. Polyamide chip extraction take-off device according to claim 1, characterized in that the housing (3) is provided with a stop (6) which is adapted to the end face of the filter plate (5) in a sliding manner.

6. The polyamide chip extraction discharging device as claimed in claim 3, wherein a discharging hole (11) is formed in the side wall of the mounting box (7), and the discharging hole (11) corresponds to the brush (201).