Alumina fiber crushing device

Abstract

The utility model discloses an alumina fiber crushing device, relates to the technical field of crushing devices, and provides the following scheme aiming at the problem that a traditional alumina fiber crushing device in the prior art usually performs crushing operation under normal pressure, so that the crushing effect is not ideal, the alumina fiber crushing device comprises a base, and a bracket is fixed at one end of the top of the base; a push rod motor is mounted on the inner wall of the top of the support, and a crushing mechanism is fixed to the bottom end of the push rod motor and comprises a fixing shell and a driving motor mounted on the inner wall of the top of the fixing shell. The bottom shell of the pressurizing mechanism abuts against the bottom of the fixing cylinder, alumina fibers are put into the fixing cylinder, the push rod motor extends downwards, so that the sealing disc abuts against the top of the fixing cylinder, the air pump pressurizes the interior of the fixing cylinder through the connecting pipe and the bottom shell, and then the driving motor drives the crushing rod to rotate. And the crushing rod is enabled to completely crush the alumina fibers in the fixed cylinder.

Description

TECHNICAL FIELD

[0001] The utility model relates to crushing device technical field especially relates to a kind of alumina fibre crushing device. BACKGROUND

[0002] Alumina fibre is a polycrystalline inorganic fibre with main component of alumina, usually it also contains about 5% of silicon dioxide, to stabilize crystal phase, inhibit the growth of crystal grain at high temperature, alumina fibre is one of the latest ultra-light high-temperature insulation materials at home and abroad, it uses high-tech "sol-gel" method, soluble aluminum, silicon salt is made into colloidal solution with certain viscosity, the solution is spun into fibre embryo by high-speed centrifugation, then it is dehydrated, dried and crystallized by high-temperature heat treatment process, and is changed into Al-Si alumina polycrystalline fibre, since alumina fibre is a kind of high-efficiency insulation material, it is widely used in fire-fighting equipment.

[0003] And before putting into use, the flexibility of alumina fibre needs to be tested, and the main method for testing the flexibility of alumina fibre is crushing method, crushing alumina fibre, and then observing its sedimentation volume value, so as to show its flexibility.

[0004] Since alumina fibre is easy to be crushed under high pressure, and the traditional alumina fibre crushing device usually carries out crushing operation under normal pressure, resulting in unsatisfactory crushing effect. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides an alumina fibre crushing device, which overcomes the deficiencies of prior art, effectively solves the problem of unsatisfactory crushing effect caused by the traditional alumina fibre crushing device of prior art under normal pressure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An alumina fibre crushing device, comprising a base, a bracket is fixed to the top of the base, a push rod motor is installed on the inner wall of the top of the bracket, a crushing mechanism is fixed to the bottom end of the push rod motor, the crushing mechanism comprises a fixed shell, a drive motor is installed on the inner wall of the top of the fixed shell, a crushing rod is connected to one end of the output shaft of the drive motor, a sealing disc is fixed to the bottom of the fixed shell, a fixed cylinder is arranged below the crushing mechanism, a pressurizing mechanism is arranged below the fixed cylinder, the pressurizing mechanism comprises a connecting plate, an air pump is installed on the top of the connecting plate, a connecting pipe is inserted into one end of the air pump, a bottom shell is inserted and fixed to the top end of the connecting pipe.

[0008] A servo motor drives a lead screw to rotate, which in turn moves a connecting plate upward along the support, causing the bottom shell of the pressurizing mechanism to come into contact with the bottom of the fixed cylinder. Alumina fibers are then introduced into the fixed cylinder. A push rod motor extends downward, causing the crushing mechanism to move downward, bringing the sealing disc into contact with the top of the fixed cylinder. An air pump pressurizes the fixed cylinder through the connecting pipe and the bottom shell. Then, a drive motor drives a crushing rod to rotate, ensuring that the crushing rod completely crushes the alumina fibers in the fixed cylinder. After crushing, the crushing mechanism and the pressurizing mechanism move away from the fixed cylinder, facilitating the extraction of the crushed alumina fibers.

[0009] Preferably, the top of the fixed shell is fixed to the bottom of the push rod motor, and a through hole is provided at the center of the top of the sealing disc. The through hole forms a rotational fit with the crushing rod through a sealing bearing.

[0010] The push rod motor moves downwards to bring the sealing disc into contact with the top of the fixed cylinder, thus forming a sealing structure at the top of the fixed cylinder.

[0011] Preferably, sealing rings are bonded to both the top and bottom of the fixed cylinder, and a fixing plate is fixed between the fixed cylinder and the bracket.

[0012] The sealing performance between the fixed cylinder and the crushing and pressurizing mechanisms is improved by setting a sealing ring, and the fixed cylinder is connected and fixed by a fixing plate.

[0013] Preferably, the bottom shell is a hollow structure, and the top of the bottom shell has ventilation holes that are evenly distributed.

[0014] The air pump pressurizes the fixed cylinder through the ventilation holes in the bottom shell via the connecting pipe.

[0015] Preferably, a fixing block is fixed to one end of the top of the connecting plate, and the fixing block is inserted and fixed to the connecting pipe.

[0016] The connecting pipe is fixed by a fixing block.

[0017] Preferably, an installation groove is provided on one inner wall of the bracket, and a lead screw is rotatably connected to the bottom of the installation groove. A servo motor installed at the top of the installation groove is connected to the top of the lead screw. A connecting plate is screwed to the lead screw, and the connecting plate is slidably connected to the installation groove.

[0018] A servo motor drives a lead screw to rotate, which in turn causes the connecting plate to move up and down along the bracket, bringing the pressurizing mechanism closer to or further away from the fixed cylinder.

[0019] The beneficial effects of this utility model are as follows:

[0020] The alumina fiber is put into the fixed cylinder by the bottom shell of the pressurizing mechanism abutting against the bottom of the fixed cylinder, the sealing disc is abutted against the top of the fixed cylinder by the push rod motor being elongated downward, the fixed cylinder is pressurized by the air pump through the connecting pipe and the bottom shell, and then the breaking rod is rotated by the driving motor, so that the breaking rod breaks the alumina fiber in the fixed cylinder completely, and the problem of unsatisfactory breaking effect caused by the traditional alumina fiber breaking device performing breaking operation under normal pressure in the prior art is effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 A whole structure schematic view of the alumina fiber breaking device is provided in the utility model.

[0022] Fig. 2 A breaking mechanism structure schematic view of the alumina fiber breaking device is provided in the utility model.

[0023] Fig. 3 A pressurizing mechanism structure schematic view of the alumina fiber breaking device is provided in the utility model.

[0024] In the drawing: 1, base; 2, support; 3, push rod motor; 4, breaking mechanism; 5, fixed shell; 6, driving motor; 7, breaking rod; 8, sealing disc; 9, fixed cylinder; 10, sealing ring; 11, fixed plate; 12, pressurizing mechanism; 13, connecting plate; 14, air pump; 15, connecting pipe; 16, bottom shell; 17, fixed block; 18, screw rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0026] Embodiment:

[0027] Reference Figs. 1-3 A kind of alumina fiber breaking device, including base 1, the top of base 1 one end is fixed with support 2, the top inner wall of support 2 is installed with push rod motor 3, the bottom end of push rod motor 3 is fixed with breaking mechanism 4, breaking mechanism 4 includes fixed shell 5, driving motor 6 is installed in the top inner wall of fixed shell 5, breaking rod 7 is connected to the one end of the output shaft of driving motor 6, sealing disc 8 is fixed in the bottom of fixed shell 5, fixed cylinder 9 is arranged below breaking mechanism 4, pressurizing mechanism 12 is arranged below fixed cylinder 9, pressurizing mechanism 12 includes connecting plate 13, air pump 14 is installed in the top of connecting plate 13, connecting pipe 15 is inserted in one end of air pump 14, bottom shell 16 is inserted and fixed in the top end of connecting pipe 15;

[0028] The top of the fixed shell 5 is fixed to the bottom end of the push rod motor 3, the top center of the sealing disc 8 is provided with a through hole, the through hole is rotationally matched with the crushing rod 7 through a sealing bearing, the push rod motor 3 downwardly abuts the top of the fixed cylinder 9 with the sealing disc 8, so that the top of the fixed cylinder 9 forms a sealing structure, the top and the bottom of the fixed cylinder 9 are both adhesively fixed with a sealing ring 10, the fixed plate 11 is fixed between the fixed cylinder 9 and the support 2, the sealing property of the connection between the fixed cylinder 9 and the crushing mechanism 4 and the pressurizing mechanism 12 is improved through the sealing ring 10, and the fixed cylinder 9 is fixedly connected through the fixed plate 11;

[0029] The bottom shell 16 is a hollow structure, the top of the bottom shell 16 is provided with equidistantly distributed ventilation holes, the air pump 14 pressurizes the fixed cylinder 9 through the connecting pipe 15 through the ventilation holes of the bottom shell 16, one end of the top of the connecting plate 13 is fixedly provided with a fixed block 17, the fixed block 17 is insertedly fixed with the connecting pipe 15, the connecting pipe 15 is fixed through the fixed block 17, the inner wall of one side of the support 2 is provided with a mounting groove, a screw rod 18 is rotationally connected to the bottom of the mounting groove, a servo motor is mounted to the top of the mounting groove and connected to the top end of the screw rod 18, the connecting plate 13 is screwed with the screw rod 18, the connecting plate 13 is slidingly connected with the mounting groove, the screw rod 18 is driven to rotate by the servo motor, the rotating screw rod 18 drives the connecting plate 13 to move up and down along the support 2, so that the pressurizing mechanism 12 is close to or away from the fixed cylinder 9.

[0030] Working principle:

[0031] When working, the screw rod 18 is driven to rotate by the servo motor, the rotating screw rod 18 drives the connecting plate 13 to move upwards along the support 2, so that the bottom shell 16 of the pressurizing mechanism 12 abuts the bottom of the fixed cylinder 9, the alumina fiber is put into the fixed cylinder 9, the push rod motor 3 is elongated downwards, drives the crushing mechanism 4 to move downwards, so that the sealing disc 8 abuts the top of the fixed cylinder 9, the fixed cylinder 9 is pressurized by the air pump 14 through the connecting pipe 15 and the bottom shell 16, then the crushing rod 7 is driven to rotate by the driving motor 6, so that the crushing rod 7 completely crushes the alumina fiber in the fixed cylinder 9, after the crushing is completed, the pressurizing mechanism 12 and the crushing mechanism 4 are away from the fixed cylinder 9, so as to facilitate the extraction of the crushed alumina fiber.

[0032] The above merely describes a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An alumina fibre breaking device comprising a base (1) characterised in that, The top end of the base (1) is fixed with a support (2), and the inner wall of the top of the support (2) is installed with a push rod motor (3), the bottom end of the push rod motor (3) is fixed with a crushing mechanism (4), and the crushing mechanism (4) comprises a fixed shell (5), a drive motor (6) installed on the inner wall of the top of the fixed shell (5), a crushing rod (7) connected to one end of the output shaft of the drive motor (6), a sealing disc (8) fixed on the bottom of the fixed shell (5), a fixed cylinder (9) is arranged below the crushing mechanism (4), and a pressurizing mechanism (12) is arranged below the fixed cylinder (9), the pressurizing mechanism (12) comprises a connecting plate (13), a gas pump (14) installed on the top of the connecting plate (13), a connecting pipe (15) inserted into one end of the gas pump (14), and a bottom shell (16) inserted and fixed on the top end of the connecting pipe (15).

2. The apparatus of claim 1 wherein, The top of the fixed shell (5) is fixed on the bottom end of the push rod motor (3), and a through hole is formed in the top center of the sealing disc (8), which is rotatably connected with the crushing rod (7) through a sealing bearing.

3. The apparatus of claim 1 wherein, The top and bottom of the fixed cylinder (9) are adhesively fixed with sealing rings (10), and the fixed cylinder (9) and the support (2) are fixed with a fixed plate (11).

4. The apparatus of claim 1 wherein, The bottom shell (16) is of hollow structure, and the top of the bottom shell (16) is provided with evenly distributed ventilation holes.

5. The apparatus of claim 1 wherein, The top end of the connecting plate (13) is fixed with a fixed block (17), and the fixed block (17) is inserted and fixed with the connecting pipe (15).

6. The apparatus of claim 1 wherein, The inner wall of one side of the support (2) is provided with a mounting groove, and the bottom of the mounting groove is rotatably connected with a lead screw (18), the top end of the lead screw (18) is connected with a servo motor installed on the top of the mounting groove, the connecting plate (13) is screwed with the lead screw (18), and the connecting plate (13) is slidingly connected with the mounting groove.

Images