CN2604240Y

CN2604240Y - Pipe type high-speed centrifugal machine

Info

Publication number: CN2604240Y
Application number: CN 03211537
Authority: CN
Inventors: 刘亚坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-02-26
Filing date: 2003-02-26
Publication date: 2004-02-25
Anticipated expiration: 2013-02-26

Abstract

The utility model discloses a pipe high-speed centrifuge, which comprises a machine body, a liquid inlet part, a servo part, a separation rotary drum, a liquid collection part and a transmission part, in which the transmission part comprises a high speed wheel, a hollow axis, a hanging axis, and a bearing, the high speed wheel and the hollow axis are an integrated structure which is sleeved on the hanging axis, the hollow axis is arranged in sequence with an upper preparing cup, a transmission bearing seat buckled with the upper preparing cup, a lower preparing cup buckled with the bearing seat, a bearing and a bearing tightening ring are arranged between the transmission bearing seat the hollow axis, the high speed wheel preparing cup passes through the middle hole of the lower preparing cup and connects with the hollow axis. The utility model eliminates the non-coaxial problem during production and installation, and the problems of slipping and rotation-missing, thus reduces accumulating error and can guarantee stable and low-noise operation and that the device can reach the designed rotation speed to reduces the difficulty during installation. Additionally, the utility model eliminates the problems of non-coaxial operation and deviation swing vibration operation.

Description

A kind of tubular-bowl centrifuge

Technical field

The utility model relates to centrifuge, especially a kind of tubular-bowl centrifuge.

Background technology

Tubular-bowl centrifuge (seperator) comprises fuselage, the feed liquor part, servo segment, separator drum, liquid collection section, the driving section grades, be mainly used in biology, Chinese medicine preparation, health products, beverage, liquid-solid or the liquid-liquid-solid three phase separation of industries such as chemical industry, material is injected by the bottom inlet, centrifugal force forces feed liquid upwards to flow along drum inner wall, and density contrast layering because of the feed liquid different component, it is the ideal equipment of separating with centrifugal process at present, the minimum separation particle is 1 micron, little to some liquid-solid phase difference of specific gravity especially, solid particle size is thin, content is low, and corrosive medium waits the extraction of material by force, concentrate, clarify comparatively suitable.

As shown in Figure 3, the structure of the existing running part of tubular-bowl centrifuge is mainly by hollow shaft 20, internal axle sleeve 24, outer shaft 25, main shaft is equipped with cap 22, take turns 1 at a high speed, bearing 2, last retainer 23, buffer 9, second line of a couplet joint chair 8, last connection seat 7, hanging axis 5, awl screw 6, retainer 26 is formed, its hollow shaft 20 is by straight mouthful of location and screw thread and 26 fastening connections of location of retainer, take turns 1 in high speed and be embedded in outer shaft 25 with rigid bearing 2, by internal axle sleeve 24 rigid bearing spacings, to go up retainer 23 takes turns on 1 in high speed with straight mouthful of positioning and fixing, and compress the upper bearing (metal) outer shroud, compress outer shaft 25 and lower bearing by outer race and internal axle sleeve, and be installed on the hollow shaft 20, top drives second line of a couplet joint chairs 8 by buffer 9 and with last connection seat 7 power is passed to hanging axis 5, rotates with taking turns 1 at a high speed; Its disadvantage is that correlated parts is too much, accuracy of manufacture height, guarantee difficulty, cost is high, accumulated error is big, can't accurately guarantee the axiality of moving component, the phenomenon of skidding, throw switch very easily occurs in startup, loading and the work, therefore, be difficult to the separation factor of equipment is continued raising, and, assembling difficulty, assembly precision are difficult for guaranteeing that maintenance difficulty is big.

The utility model content

The purpose of this utility model be to provide a kind of simple and reasonable, assembly precision is high, guarantee design speed, the tubular-bowl centrifuge of easy to maintenance, low cost of manufacture.

The technical solution of the utility model is:

A kind of tubular-bowl centrifuge, have fuselage, feed liquor part, servo segment, separator drum, liquid collection section, running part, wherein running part comprises high speed wheel, hollow shaft, hanging axis, bearing, described high speed wheel and hollow shaft are structure as a whole, be set in hanging axis, the power transmission shaft bearing that upper prepared cap is housed on the hollow shaft successively, fastens with upper prepared cap, the lower prepared cap that fastens with the power transmission shaft bearing, bearing, bearing hold-down ring are housed between power transmission shaft bearing and the hollow shaft, and at a high speed wheel is equipped with cap and passes the lower prepared cap mesopore and link to each other with hollow shaft.

Described high speed wheel is equipped with cap and hollow shaft by being threaded.

Described bearing hold-down ring lower surface has annular groove or flange, and the flange or the groove that are equipped with the cap outside are corresponding with taking turns at a high speed.

Described bearing is an angular contact bearing, and quantity is two, and assembling dorsad is provided with the spacer that directly is enclosed within the hollow shaft outside and in the support ring of spacer outer ring between the bearing.

Described support ring is a split-type structural, supports with jump ring for the hole between the split, and the following end flanges of lower support ring is installed in the groove of power transmission shaft bearing.

Described upper prepared cap, lower prepared cap respectively with the power transmission shaft bearing by being threaded.

The beneficial effects of the utility model are:

1. simple and reasonable, assembly precision is high, guarantee design speed, easy to maintenance, low cost of manufacture.Running part of the present utility model is owing to the inside and outside axle sleeve of having cancelled in taking turns at a high speed, eliminated the disalignment problem in manufacturing, the installation, and the problem of skidding, throwing switch, and adopted upper and lower cap fully and taken turns at a high speed and be equipped with cap, make assembly precision higher, thereby reduce accumulated error, can guarantee its steady low noise that turns round, equipment reaches design speed, and its difficulty in installation is reduced.

2. running part of the present utility model has been eliminated operation decentraction problem and operation beat vibration problem with after wheel is processed into one with hollow shaft at a high speed.

3. running part of the present utility model adopts angular contact bearing, can further improve rotating speed, and it changes scooter more than 19000 rev/mins, thereby realizes the ultrahigh speed centrifugation.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is a running part structural representation of the present utility model.

Fig. 3 is the running part structural representation of tubular-bowl centrifuge in the prior art.

The specific embodiment

Shown in Fig. 1～2, tubular-bowl centrifuge is made up of following components: fuselage 19, motor, running part 14, separator drum 16, servo segment 17, feed liquor part 18, liquid collection section 15, wherein running part comprises and at a high speed takes turns 1, hanging axis 5, awl screw 6, bearing 2, power transmission shaft bearing 11, second line of a couplet joint chair 8, last connection seat 7, buffer 9, take turns at a high speed 1 and hollow shaft 20 be structure as a whole, be set in an end hanging axis 5 of boring screw 6 is housed, at a high speed wheel links to each other by belt with big belt pulley on the motor output shaft, upper prepared cap 10 is housed on the hollow shaft 20 successively, fasten and power transmission shaft bearing 11 with upper prepared cap 10 by being threaded, fasten and lower prepared cap 4 with power transmission shaft bearing 11 by being threaded, between power transmission shaft bearing 11 and the hollow shaft 20 bearing 2 is housed, bearing hold-down ring 12, at a high speed wheel is equipped with cap 13 and passes lower prepared cap 4 mesopores and link to each other with hollow shaft 20 by screw thread, described bearing 2 is an angular contact bearing, quantity is two, assembling dorsad, the shoulder of hollow shaft 20 is equipped with the interior ring that cap 13 upper surfaces compress two bearings 2 respectively with the high speed wheel, upper bearing (metal) is connected with upper prepared cap 10 contacts, lower bearing is connected with 12 contacts of bearing hold-down ring, be provided with the spacer 21 that directly is enclosed within hollow shaft 20 outsides between the bearing and in the support ring 3 of spacer 21 outer rings, spacer 21 can separate the interior ring of two bearings 2, with the restriction distance between bearings, support ring 3 plays a supportive role, be split-type structural, support with jump ring for the hole between the split, the following end flanges of lower support ring is installed in the groove of power transmission shaft bearing 11, bearing hold-down ring 12 lower surfaces have annular groove, the flange that is equipped with cap 13 outsides with the high speed wheel is corresponding, form the noncontact suit, can increase operating safety coefficient, hanging axis 5 is equipped with connection seat 7 near awl screw 6 one sides, second line of a couplet joint chair 8, buffer 9, taking turns 1 by buffer 9 with high speed is fastenedly connected, hanging axis 5 other ends directly link to each other with separator drum 16 by the location straight section, are equipped with the screw threads for fastening of cap by hanging axis.

The course of work of the present utility model is:

Motor changes rotating speed by running part 14 and moment of torsion makes its high speed rotating for separator drum 16 transmission of power, servo segment 17 helps separator drum 16 to keep its smooth operation, liquid material enters rotary drum 16 by feed liquor part 18 to be separated, material after the separation enters and enters next process after liquid collection section 15 is collected, wherein the technical merit of running part 14 structures has determined the performance of tubular-bowl centrifuge, power transmission shaft bearing 11 on it is installed on the fuselage 19 of equipment, partly locate by straight section, three fixing threaded holes are arranged on flange, by being bolted on the fuselage 19, other has two dismounting fabrication holes to be used for dismounting, bearing 2 is determined its position by support ring 3, be installed in the power transmission shaft bearing 11, and by upper prepared cap 10, lower prepared cap 4, bearing hold-down ring 12 is fixing, the outer shroud and the power transmission shaft bearing 11 of bearing 2 are become one, hollow shaft 20 is passed by bearing 2 endoporus, being equipped with cap 13 by wheel at a high speed fixes the interior ring of itself and bearing 2, buffer 9 is passed to second line of a couplet joint chair 8 by the fixed conveyor pin of taking turns in 1 at a high speed with power, hanging axis 5 struts with last connection seat 7 its opening fastening by awl screw 6, driving and take turns at a high speed 1 by second line of a couplet joint chair 8 together rotates, power passes to work package by hanging axis 5 the most at last, and equipment is run well.

Claims

1. tubular-bowl centrifuge, has fuselage, the feed liquor part, servo segment, separator drum, liquid collection section, running part, wherein running part comprises wheel at a high speed, hollow shaft, hanging axis, bearing, it is characterized in that described high speed wheel (1) and hollow shaft (20) are structure as a whole, be set in hanging axis (5), upper prepared cap (10) is housed on the hollow shaft (20) successively, power transmission shaft bearing (11) with upper prepared cap (10) fastening, lower prepared cap (4) with power transmission shaft bearing (11) fastening, between power transmission shaft bearing (11) and the hollow shaft (20) bearing (2) is housed, bearing hold-down ring (12), at a high speed wheel is equipped with cap (13) and passes lower prepared cap (4) mesopore and link to each other with hollow shaft (20).

2. according to the described tubular-bowl centrifuge of claim 1, it is characterized in that described high speed wheel is equipped with cap (13) and hollow shaft (20) by being threaded.

3. according to the described tubular-bowl centrifuge of claim 1, it is characterized in that described bearing hold-down ring (12) lower surface has annular groove or flange, the flange or the groove that are equipped with cap (13) outside are corresponding with taking turns at a high speed.

4. according to the described tubular-bowl centrifuge of claim 1, it is characterized in that described bearing (2) is an angular contact bearing, quantity is two, and assembling dorsad is provided with the spacer (21) that directly is enclosed within hollow shaft (20) outside and in the support ring (3) of spacer (21) outer ring between the bearing.

5. according to the described tubular-bowl centrifuge of claim 4, it is characterized in that described support ring (3) is a split-type structural, support with jump ring for the hole between the split that the following end flanges of lower support ring is installed in the groove of power transmission shaft bearing (11).

6. according to the described tubular-bowl centrifuge of claim 1, it is characterized in that described upper prepared cap (10), lower prepared cap (4) respectively with power transmission shaft bearing (11) by being threaded.