CN2906594Y

CN2906594Y - Metal abrasives tester

Info

Publication number: CN2906594Y
Application number: CN 200620083236
Authority: CN
Inventors: 韩庆吉
Original assignee: Zibo Daya Mechanoelectrical Technology Co Ltd
Current assignee: Zibo Daya Mechanoelectrical Technology Co Ltd
Priority date: 2006-04-16
Filing date: 2006-04-16
Publication date: 2007-05-30
Anticipated expiration: 2016-04-16

Abstract

The metal abrasives tester belongs to testers for testing the life of metal abrasives, and comprises a high speed motor(10), a step down gear(23), a base board(19), a bearing support(4), and a testing tumbler(6), wherein the high speed motor is connected with an impeller shaft of the testing tumbler(6), the testing tumbler(6) is fixed on the bearing support(4) by a rolling bearing, the high speed motor(10) , the step down gear(23) and the bearing support(4) are fixed on the base board(19). The tester has a high testing speed, and can finish a life test within an hour. The utility model has the advantages of portability of handling, simple operation and clear and direct result, and improves accuracy and consistency, and needs not be adjusted or calibrated frequently.

Description

The metal abrasives test machine

Technical field

The metal abrasives test machine belongs to metal abrasives life test instrument, specifically is the contrast of metal abrasives quality, metal abrasives fatigue limit life test instrument.

Background technology

Metal abrasives comprises shot, steel sand, along with rapid development of economy, be that shot, steel sand are removed the internal stress that produces in the metal manufacture process with metal abrasives, beautify the metal surface and more and more be widely used, industry generally acknowledges that the abrasive material loss percentage reaches 83%, can be identified as the abrasive material life value.In order to measure the performance of product, at current domestic each shot, steel sand manufacturer because the difference of employed starting material and production technology and equipment, cause product mechanical property difference very big, quality and the test in serviceable life to metal abrasives is not have equipment more really up to the mark always at present.

The utility model content

The technical problems to be solved in the utility model is: overcome the problem that prior art exists, provide a kind of simple in structure, detect the metal abrasives test machine in metal abrasives fatigue limit life-span easily and fast.

The technical scheme that its technical matters that solves the utility model adopts is: this metal abrasives test machine, it is characterized in that: comprise high-speed electric expreess locomotive, reductor, base plate, bearing spider, test rotating cylinder, high-speed electric expreess locomotive links to each other with the impeller shaft of test rotating cylinder, the test rotating cylinder is fixed on the bearing spider by rolling bearing, and high-speed electric expreess locomotive, reductor, bearing spider are fixed on the base plate.Utilize two motors to start simultaneously, realize the homodromal principle of differential.Slowspeed machine takes shot or steel sand to certain altitude, and shot or steel sand fall with own wt, strikes on the impeller of high speed rotating to be thrown in dropping process, and impeller is thrown to it on inclined-plane of wear body.Bearing spider supports the test rotating cylinder.

The test rotating cylinder comprises impeller assembly, bearing shell, wear body, bonnet, gatherer, filter screen, impeller shaft is positioned at bearing shell, wear body is provided with discharging opening in the middle of the top, wear body is horn-like, end opening links to each other with bearing shell, suitable for readingly link to each other with bonnet by bolt, gatherer is in wear body between the suitable for reading and bonnet.Wear body splendid attire metal abrasives, bonnet and wear body constitute the cavity of splendid attire metal abrasives, and air suction device plays the air draught effect, and gatherer is collected the powder of sacrificing one's life for and is discharged by discharging opening.

The impeller assembly comprises impeller shaft, impeller, three angular contact ball bearings, impeller shaft and impeller are one by bolt, three angular contact ball bearings, front ends are established two, the rear end is established one, is provided with spring base between the front and back end, and three angular contact ball bearings, spring bases are installed on the impeller shaft, the impeller shaft front end is fixed by set nut, the front and back end is equipped with O-ring seal, and back O-ring seal outer end is provided with air suction device, and the impeller assembly is positioned at bearing shell.Spring base mainly is to be used for the self-adjustable bearing gap.

Be welded with hard metal tip on the impeller.Wear-resisting, shock resistance.

Compared with prior art, the beneficial effect that the utility model had is: utilize two motors to start simultaneously, realize the special design structure of the homodromal principle of differential.Have

1, detection speed is fast, can finish one time life tests in 1 hour.

2, the equipment carrying is light, simple to operate, and testing result is intuitive, clear.

3, improve accuracy and consistance, do not need frequently to proofread and correct, adjust.Have advantages such as simple in structure, adjustable gaps, machine long service life simultaneously.

Description of drawings

Fig. 1 is the utility model appearance structure front schematic view;

Fig. 2 is that synoptic diagram is looked on an appearance structure left side;

Fig. 3 is that the test rotating cylinder cuts open and shows synoptic diagram.

Fig. 1-the 3rd, most preferred embodiment of the present utility model: wherein: 1,5,11,16,17,32,37

bolts

2,9,15,20

supports

3,8 guard shields, 4 bearing seats, 6 test rotating cylinders, 7 bearing caps, 10 high-speed electric expreess locomotives, 12 motor cabinets, 13

electric cabinets

14,18 belt pulleys, 19 bases 21,22 knobs, 23 reductors 24, cover 28 sealing and fixing platforms 29 O-ring seals 30 angular contact ball bearings 31 air suction devices 33 hard metal tips 34 gatherers 35 filter screens 36 bonnets 38 elastic cylindrical pins 390 were taken turns 40 wear body, 41 bearing shells, 42 spring bases, 43 impeller shafts in 27 set nuts, 25 floor clips 26 compressed.

Embodiment

Below in conjunction with accompanying drawing metal abrasives test machine of the present utility model is described further: this metal abrasives test machine, mainly form by high-speed electric expreess locomotive 10, reductor 23, base plate 19, bearing spider 4, test rotating cylinder 6, high-speed electric expreess locomotive 10 links to each other by

belt pulley

14,18 with the impeller shaft 43 of test rotating cylinder 6, test rotating cylinder 6 is fixed on the bearing spider 4 by bolt 5, and high-speed electric expreess locomotive 10, reductor 23, bearing spider 4 are fixed on the base plate 19 by

bolt

11,1 respectively.Test rotating cylinder 6 comprises impeller assembly, bearing shell 41, wear body 40, bonnet 36, collection 34, filter screen 35, impeller shaft 43 is positioned at bearing shell 41, be provided with discharging opening in the middle of bonnet 36 tops, wear body 40 is horn-like, end opening links to each other by bolt 32 with bearing shell 41, and the bolt 37 that passes through suitable for reading links to each other with bonnet 36, and gatherer 34 is the rectangle boss, be installed between the suitable for reading and bonnet 36 of wear body 40, by elastic cylindrical pin 38 location.Gatherer 34 is provided with moving fortune gap with wear body 40 and is about 1mm, mainly prevents to produce between the parts resistance.The impeller assembly comprises impeller shaft 43, impeller 39, three angular contact ball bearings 30, spring base 42, impeller shaft 43 is fixed as one by bolt 37 with impeller 39, three angular contact ball bearings 30, front ends are installed two, the rear end is installed one, mounting spring seat 42 between the front and back end, three angular contact ball bearings 30, spring bases 42 are installed on the impeller shaft 43, and impeller shaft 43 front ends are fixing by set

nut

24,27, and

nut

24,27 is installed floor clip 25 and is used to prevent nut loosening.Sealing and fixing platform 28 holds out against bearing 30 outer rings by set nut 27, and the front and back end all is equipped with O-ring seal 29, and O-ring seal 29 is the blanket formula, seals, and prevents that dust from entering in the bearing shell 41.Back O-ring seal outer end is provided with air suction device 31, and air suction device 31 is a truncated cone-shaped, and 8 of uniform diameter 3mm oblique apertures are used for air intake on periphery.The impeller assembly is positioned at bearing shell 41.Welding is compounded with hard metal tip 33 on the impeller 39.Filter screen 35 is pressed in the hole of bonnet 13, is used for filtering damaged powder.Control circuit boards are installed in the electric cabinet 13, and the start-stop of control experimental machine is provided with revolution, can realize that counter sets the required number of turns, arrive set the number of turns after, shut down automatically.

The principle of work and the course of work are as follows:

Utilize two motors to start simultaneously, realize the homodromal principle of differential.Impeller shaft 43 front ends are rotated by the belt pulley driven high-speed.Impeller 39 is installed in impeller shaft 43 rear ends, and its length that overhangs is short, has improved impeller shaft 43 system stiffnesses.Impeller shaft 43 front ends are established 30, two angular contact ball bearings of two angular contact ball bearings and are installed in the same way.An angular contact ball bearing 30 is only established in impeller shaft 43 rear ends, front and back end angular contact ball bearing 30 passes through sleeve by spring, hold out against the outer ring of back angular contact ball bearing 30, angular contact ball bearing 30 produces certain pressure before and after making, impeller shaft 43 is on-stream to be extended because of thermal expansion, or angular contact ball bearing 30 is when causing the gap to increase because of wearing and tearing, and spring can compensate automatically, make angular contact ball bearing 30 pressures remain unchanged, angular contact ball bearing 30 is lubricated by lithium base grease.

By the charging door that wear body 40 is provided with, with tested shot or the steel sand of 100 grams, seal closures are tight in the adding test rotating cylinder 6.Be provided with by electric cabinet 13, energized, slowspeed machine drives reductor 23 rotations shot or steel sand is taken to certain altitude, shot or steel sand fall with own wt, strike in dropping process on high speed rotating and the impeller 39 that impeller shaft 43 links to each other that high-speed electric expreess locomotive 10 drives and thrown, impeller 39 is thrown to it on oblique inwall of wear body 40.The low speed rotation body is made up of collector 34, bonnet 36, wear body 40, bearing shell 41, and high-speed rotary body is the impeller shaft assembly.Shot or steel sand are in the test rotating cylinder 6 of low speed rotation, collected by collector 34, middle discharging opening by wear body 40 inclines to, the impeller of high speed rotating is dished out steel sand or shot with the centrifugal speed of 61 meter per seconds, throw and beat on the oblique inwall of wear body 40, the powder of breaking into pieces is driven by the wind of air suction device 31 inspirations, and screen cloth 35 leaches after filtration, granular shot, steel sand are collected device 34 and pack up once more, the cyclic process of carry out ball blast, sieving.Dust is packed up by dust collecting sleeve.Through repeatedly circulation, when the abrasive material loss percentage reaches 83%, can be identified as the abrasive material life value.

Claims

1, metal abrasives test machine, it is characterized in that: comprise high-speed electric expreess locomotive (10), reductor (23), base plate (19), bearing spider (4), test rotating cylinder (6), high-speed electric expreess locomotive (10) links to each other with the impeller shaft of test rotating cylinder (6), test rotating cylinder (6) is fixed on the bearing spider (4) by rolling bearing, and high-speed electric expreess locomotive (10), reductor (23), bearing spider (4) are fixed on the base plate (19).

2, metal abrasives test machine according to claim 1, it is characterized in that: test rotating cylinder (6) comprises impeller assembly, bearing shell (41), wear body (40), gatherer (34), filter screen (35), bonnet (36), impeller shaft (43) is positioned at bearing shell (41), wear body (40) is provided with discharging opening in the middle of the top, wear body (40) is horn-like, end opening links to each other with bearing shell (41), suitable for readingly link to each other with bonnet (36) by bolt (37), gatherer (34) is positioned between the suitable for reading and bonnet (36) of wear body (40).

3, metal abrasives test machine according to claim 2, it is characterized in that: the impeller assembly comprises impeller shaft (43), impeller (39), three angular contact ball bearings (30), impeller shaft (43) is one with impeller (39) by bolt, three angular contact ball bearings (30), front end is established two, the rear end is established one, be provided with spring base (42) between the front and back end, three angular contact ball bearings (30), spring base (42) is installed on the impeller shaft (43), impeller shaft (43) front end is by set nut (24), (27) fixing, the front and back end is equipped with O-ring seal (29), back O-ring seal outer end is provided with air suction device (31), and the impeller assembly is positioned at bearing shell (41).

4, metal abrasives test machine according to claim 3 is characterized in that: be welded with hard metal tip (33) on the impeller (39).