CN106238229B

CN106238229B - Filter bowl component

Info

Publication number: CN106238229B
Application number: CN201610789688.5A
Authority: CN
Inventors: 陈志才
Original assignee: SUZHOU SHENGTIANLI CENTRIFUGE MANUFACTURING Co Ltd
Current assignee: SUZHOU SHENGTIANLI CENTRIFUGE MANUFACTURING Co Ltd
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2018-07-24
Anticipated expiration: 2036-08-31
Also published as: CN106238229A

Abstract

The invention discloses a kind of suction filtration bowl components, including the shaft being vertically provided in centrifuge bearing block, bearing block is stretched out outside and rotary drum there are one sockets in the upper end of the shaft, one piece of filter plate is provided in rotary drum, numerous filter openings are both provided on filter plate and the rotary drum side wall being positioned above, shaft is axially hollow tube body, and shaft upper end is connected in rotary drum, lower end is docked with the upper connector a being coaxially disposed sealing, and upper connector is tightly connected by lower connector and vacuum system.Shaft is arranged to axially hollow tubulose, in this way when filtering, liquid is along shaft flows downward inside, and in conjunction with the effect of gravity, liquid fluidity is stronger, and suction filtration effect is more preferable, and the mobility of liquid is strong, is also just less likely to occur to plug.

Description

Filter bowl component

Technical field

The invention belongs to centrifuge technique field, more particularly to a kind of suction filtration bowl component.

Background technology

In industries such as pharmacy, chemical industry, it is often necessary to be separated by solid-liquid separation to solid-liquid mixture, traditional separation method It is：Mixed material is separated by solid-liquid separation by nutsch filter first, most liquid is first separated, it then will be remaining Mixed material is transferred in bowl, is further separated by solid-liquid separation by centrifuge, and this separate mode needs are used Two kinds of separation equipments, and need to carry out the transfer of mixed once material, technique is relatively complicated, and mixed material transfer is got up Also very troublesome.

And above-mentioned technical problem can be solved using centrifuge is filtered, it filters centrifuge and is merged on traditional centrifuge Suction filtration structure, increases suction filtration function, therefore can be realized as filtering and centrifuge two steps using only centrifuge is filtered Technique, and midway need not carry out the transfer of mixed material.

Although current suction filtration centrifuge can solve above-mentioned technical problem, suction filtration centrifuge on the market is also deposited at present In some problems, the existing suction filtering tube Interface design for filtering centrifuge is in the top of bowl bottom plate, liquid rotation Drum filters the lower to upper part flowing of plate, and relatively high to the power requirement of vaccum-pumping equipment in this way, liquid fluidity difference causes to take out Chimney filter is frequently occluded, and after drawing liquid, and bottom of the drum residual liquid is more, and it is poor to filter effect.

In addition, the current suction filtering tube of suction filtration centrifuge and the connection of vacuum system is connected manually by operating personnel , user operates comparatively laborious.

Invention content

The technical problem to be solved by the present invention is to：A kind of pumping filtering effect more preferably and be not easy blocking suction filtering tube is provided Filter bowl component.

In order to solve the above technical problems, the technical solution adopted by the present invention is：Bowl component is filtered, including vertical Shaft in centrifuge bearing block is set, and bearing block is stretched out outside and rotary drum there are one sockets in the upper end of the shaft, is set in rotary drum It is equipped with one piece to be located above its bottom surface and surrounding is connected to filter plate on drum inner wall, the filter plate and be positioned above Numerous filter openings are both provided on rotary drum side wall, which is characterized in that the shaft is axially hollow tube body, and the connection of shaft upper end turns Drum is internal and is flushed with rotary drum bottom surface, and shaft lower end is docked with the upper connector a being coaxially disposed sealing, under upper connector End is detachably connected with lower connector, and the other end and the vacuum system of lower connector are tightly connected, under the upper connector End cap connects there are one upper flange, and the upper end of the lower connector is socketed with and the matched lower flange of upper flange, the upper flange Upper surface be annular slope that surrounding is less than middle part, the lower surface of the lower flange is the annular slope that surrounding is higher than middle part, The semicircular clip that the upper flange and lower flange are surrounded by two outside it is connected together, and two clip is symmetrical Setting, is respectively arranged with the V-shaped groove along its circumference on two clip forward surfaces, and the excircle of the upper flange and lower flange is same When be embedded in the V-shaped groove, the side wall of V-groove is parallel with corresponding upper flange upper surface, lower flange lower surface respectively, two clips One end be hinged on one piece of connecting plate by vertically arranged hinged shaft respectively, the other end is locked by lock uint.

As a preferred embodiment, the lock uint includes the holder being fixedly connected on centrifuge engine base bottom surface, branch Telescopic push rod device, the opening of two clip of body of rod face of telescopic push rod device are provided on frame, lever front end is horizontally disposed with There is a connecting seat, is symmetrically arranged with two connecting rods, one end difference of two connecting rod on connecting seat centered on body of rod axis It is hinged on connecting seat by the first vertically arranged axis pin, the other end is connected to not by the second vertically arranged axis pin respectively On same clip, the connecting plate, which is fixed by the bracket, to be suspended below centrifuge engine base, is shunk when telescopic push rod device is in When state, clip locks upper flange and lower flange, and two connecting rods to clip direction at opening shape.

As a preferred embodiment, the connecting plate is parallel to the slide bar of the body of rod back to the side setting of clip, described The sliding block being set on slide bar is fixedly connected on holder, the slide bar can slidably reciprocate along its axial direction in sliding block.

As a preferred embodiment, the both sides of the lower connector are respectively arranged with one piece of support horizontally outward extended Plate, two support plate epitaxial ends are vertically provided with sleeve respectively, are provided with pull rod in casing, the upper end of pull rod be fixedly connected on from On scheming engine base bottom surface or on holder, pull rod lower end extends downwardly outside casing, and is threaded with the nut of blocking casing, institute Stating support plate can move up and down along pull rod, when support plate is contacted with nut, upper flange and lower flange separation, but lower flange is still Within the scope of engaging in clip.

As a preferred embodiment, tension spring, one end of tension spring and corresponding branch are vertically provided in two support plate respectively Fagging connects, and the other end is connect with centrifuge engine base bottom surface or holder.

In order to solve the above technical problems, the another technical solution that the present invention uses is：Filter bowl component, packet The shaft being vertically provided in centrifuge bearing block is included, the upper end of the shaft is stretched out outside bearing block and is socketed there are one rotary drum, turns It is provided with one piece in drum to be located above its bottom surface and surrounding is connected to filter plate on drum inner wall, the filter plate and is located at it It is both provided with numerous filter openings on the rotary drum side wall of top, which is characterized in that the shaft is axially hollow tube body, shaft upper end It is flushed inside connection rotary drum and with rotary drum bottom surface, shaft lower end is docked with the upper connector a being coaxially disposed sealing, upper connection The filtrate that the lower part of pipe is socketed with a coaxial arrangement is taken over, which, which takes over to be fixed by the bracket, is connected to centrifuge engine base On, the internal diameter that the filtrate is taken over is more than the outer diameter of upper connector, and filtrate takes over upper surface upper edge inner rim and is provided with invagination Ring-shaped step is fixedly installed the mechanical sealing static ring with upper connector clearance fit, the mechanical sealing static ring and platform on step Rank is tightly connected, and mechanical sealing linkage ring is fixedly installed on the upper connector outer wall, and mechanical sealing linkage ring sealing is socketed in On the outer wall of upper connector, upper end and the mechanical sealing linkage ring palette of the mechanical sealing static ring.

As a preferred embodiment, it is provided with an inner tube in the shaft, it is big that the upper end of the inner tube is provided with an outer diameter It is provided in twisted rotary shaft on the boss of shaft upper end diameter, the rotary drum inner bottom surface matched recessed with the boss Slot, the boss are embedded in groove, are fixed by screws in shaft upper end, close between the boss and groove floor Envelope connection, said inner tube lower end are docked with upper connector sealing.

As a preferred embodiment, it is equipped with filter on the drum inner wall on the filter plate above plane and filter plate Cloth.

As a preferred embodiment, the upper end of the inner bottom surface funnel of the rotary drum, the shaft is located at bottom in rotary drum The lowest point in face.

The beneficial effects of the invention are as follows：In above-mentioned technical proposal, shaft is arranged to axially hollow tubulose, utilizes shaft Traditional suction filtering tube is substituted, to make suction filtering tube be mounted on the bottom surface of rotary drum, and is extended downwardly, is then connected with vacuum system Logical, in this way when filtering, liquid is along shaft flows downward inside, and in conjunction with the effect of gravity, liquid fluidity is stronger, Suction filtration effect is more preferable, and the mobility of liquid is strong, is also just less likely to occur to plug.

Description of the drawings

Fig. 1 is the structural schematic diagram of the first specific implementation mode of the invention；

Fig. 2 is the portions the A enlarged drawing in Fig. 1；

Fig. 3 is the B-B sectional views in Fig. 2；

Fig. 4 is the portions the C enlarged drawing in Fig. 3；

Fig. 5 is structural schematic diagram of the lock uint in opening state；

Fig. 6 is structural schematic diagram of the Su He devices in closed state；

Fig. 7 is the structural schematic diagram of second of specific implementation mode of the invention；

Fig. 8 is the portions the F enlarged drawing in Fig. 7；

Fig. 9 is the portions the D enlarged drawing in Fig. 1；

Figure 10 is the portions the E enlarged drawing in Fig. 1.

In Fig. 1~Figure 10：1, centrifuge engine base, 2, filtrate take over, 3, bearing block, 4, shaft, 5, rotary drum, 7, filter opening, 8, Step, 9, mechanical sealing static ring, 11, mechanical sealing linkage ring, 14, filter plate, 15, upper connector, 16, lower connector, 17, vacuum System, 18, upper flange, 19, lower flange, 20, bolt, 21, sealing ring, 22, clip, 23, V-shaped groove, 24, hinged shaft, 25, connection Plate, 26, lock uint, 2601, holder, 2602, telescopic push rod device, 2603, the body of rod, 2604, connecting seat, 2605, connecting rod, 2606, the first axis pin, the 2607, second axis pin, 27, support plate, 28, casing, 29, pull rod, 30, nut, 31, filter cloth, 32, draw Spring, 33, inner tube, 34, boss, 35, groove, 36, screw, 37, slide bar, 38, sliding block.

Specific implementation mode

Below in conjunction with the accompanying drawings, detailed description of the present invention specific embodiment.

Such as Fig. 1~Fig. 6 and Fig. 9 suction filtration bowl components shown in Fig. 10, including it is vertically provided at centrifugation arbor Bearing block 3 is stretched out outside and rotary drum 5 there are one sockets in the upper end of shaft 4 in bearing 3, the shaft 4, and one piece is provided in rotary drum 5 Above its bottom surface and surrounding is connected to the filter plate 14 on 5 inner wall of rotary drum, the filter plate 14 and turn being positioned above It is both provided with numerous filter openings 7 on 5 side wall of drum, which is characterized in that the shaft 4 is axially hollow tube body, the connection of 4 upper end of shaft It is flushed inside rotary drum 5 and with 5 bottom surface of rotary drum, 4 lower end of shaft is docked with the upper connector 15 a being coaxially disposed sealing, upper connection The lower end of pipe 15 is detachably connected with lower connector 16, and the other end and the vacuum system 17 of lower connector 16 are tightly connected,

Shaft 4 is arranged to axially hollow tubulose, traditional suction filtering tube is substituted using shaft 4, is equivalent to suction filtering tube peace It has been mounted on the bottom surface of rotary drum 5, and has extended downwardly, then connected with vacuum system 17 by upper connector 15 and lower connector 16 Logical, in this way when filtering, liquid is along 4 flows downward inside of shaft, and in conjunction with the effect of gravity, liquid fluidity is more By force, suction filtration effect is more preferable, and the mobility of liquid is strong, is also just less likely to occur to plug.

The inner bottom surface funnel of the rotary drum 5, the upper end of the shaft 4 are located at the lowest point of 5 inner bottom surface of rotary drum, make liquid Physical efficiency automatic stream shaft 4 prevents having hydrops in rotary drum 5, improves and filters effect.

The lower end socket of the upper connector 15 there are one upper flange 18, the upper end of the lower connector 16 be socketed with it is upper 18 matched lower flange 19 of flange, the upper surface of the upper flange 18 are the annular slope that surrounding is less than middle part, the laxative remedy The lower surface of orchid 19 is the annular slope that surrounding is higher than middle part, and the upper flange 18 and lower flange 19 are surrounded by two outside it The semicircular clip 22 in portion is connected together, and two clip 22 is symmetrical arranged, and is respectively arranged on two clips, 22 forward surface Along the V-shaped groove 23 of its circumference, in the excircle of the upper flange 18 and lower flange 19 while the embedded V-shaped groove 23, V-type The side wall of slot 23 is parallel with 18 upper surface of corresponding upper flange, 19 lower surface of lower flange respectively, and one end of two clips 22 leads to respectively It crosses vertically arranged hinged shaft 24 to be hinged on one piece of connecting plate 25, the other end is locked by lock uint 26.

Upper flange 18 and lower flange 19 are locked with the semicircle clip 22 of V-shaped groove 23 using above-mentioned, are utilized than tradition The method of upper flange 18 and lower flange 19 is bolted with simplicity, needs to fasten multiple bolts using bolt, and One end of two semicircle clips 22 is natively linked together by connecting plate 25, therefore when fastening, it is only necessary to be locked Two ends that tight two clip 22 is not connected with each other.

The lock uint 26 includes the holder 2601 being fixedly connected on 1 bottom surface of centrifuge engine base, is set on holder 2601 It is equipped with telescopic push rod device 2602, the opening of 2603 face of the body of rod, two clip 22 of telescopic push rod device 2602, the body of rod 2603 Front end is horizontally disposed a connecting seat 2604, and two connecting rods are symmetrically arranged with centered on 2603 axis of the body of rod on connecting seat 2604 2605, one end of two connecting rod 2605 is hinged on by the first vertically arranged axis pin 2606 on connecting seat 2604 respectively, The other end is connected to by the second vertically arranged axis pin 2607 on different clips 22 respectively, and the connecting plate 25 passes through holder 2601 fix and are suspended on the lower section of centrifuge engine base 1, and when telescopic push rod device 2602 is in contraction state, clip 22 is by upper flange 18 and lower flange 19 lock, and two connecting rods 2605 to 22 direction of clip at open shape.

Telescopic push rod device 2602 in above-mentioned technical proposal can be that hydraulic push rod, air-leg or electric expansion push away Bar can push connecting seat 2604 to be moved to 22 direction of clip when the body of rod 2603 of telescopic push rod device 2602 ejects, two connections Bar 2605 under thrust, gradually open by the one end being connect with clip 22, drives two clips 22 to open, lower flange 19 is in gravity Move down under effect, be detached from upper flange 18, and after the opening of clip 22, the upper plane of upper flange 18 also with corresponding card The side wall separation for binding round 22V type grooves 23, in this way, rotary drum 4 can have rotated.When the body of rod 2603 of telescopic push rod device 2602 bounces back When, two connecting rods 2605 can be collapsed gradually, drive two clips 22 gradually to clamp upper flange 18 and lower flange 19, lower flange 19 is in card It during hoop 22 closes up, moves up along the side of V-groove 23, until being docked with the sealing of upper flange 18, just can realize in this way Two clips 22 are automatically separated and tighten function automatically.

In actual production, holder 2601 can be replaced using the case for covering on 4 lower end of shaft.

Lock uint can also be used bolt to replace, and using traditional fastening means, one end that two clips 22 are not connected with is led to It crosses and is bolted, realize locking function.

The connecting plate 25 is parallel to the slide bar 37 of the body of rod 2603, the holder 2601 back to the side setting of clip 22 On be fixedly connected with the sliding block 38 being set on slide bar 37, the slide bar 37 can slidably reciprocate along its axial direction in sliding block 38.

Two clips 22 open under the drive of connecting rod 2605, but are limited by connecting rod 2605, and opening angle has Limit, therefore one end that two clips 22 are connect with connecting plate 25 may can not be detached from upper flange 18, lower flange 19, influence rotary drum 5 normal rotation, for this purpose, the slide bar 37 of the body of rod 2603 is parallel to back to the side setting of clip 22 in connecting plate 25, and The sliding block 38 being set on slide bar 37 is fixedly connected on holder 2601, when two card clips 22 open, connecting plate 25 is in slide bar 37 and sliding block 38 guiding under, to sliding block 38 move, to ensure that one end that two clips 22 are connect with connecting plate 25 necessarily can Enough it is detached from upper flange 18 and lower flange 19.

The both sides of the lower connector 16 are respectively arranged with one piece of support plate horizontally outward extended 27, outside two support plates 27 Prolong end and be vertically provided with sleeve 28 respectively, pull rod 29 is provided in casing 28, the upper end of pull rod 29 is fixedly connected on centrifuge On 1 bottom surface of engine base or on holder 2601,29 lower end of pull rod extends downwardly outside casing 28, and is threaded with blocking casing 28 Nut 30, the support plate 27 can be moved up and down along pull rod 29, when support plate 27 is contacted with nut 30, upper flange 18 and laxative remedy Orchid 19 detaches, but lower flange 19 is still within the scope of the engaging of clip 22.

By above-mentioned improvement, when upper flange 18 and the separation of lower flange 19, lower connector 16 moves down, with upper connector 15 separation, can guarantee the rotation for not influencing rotary drum 5 in this way, and lower connector 16 will not move down too big distance, lower flange 19 It is still within the scope of the engaging of clip 22, in this way when two clips 22 are sealed again, holds up lower connector 16 without artificial, only The power that the lower surface of lower flange 19 is applied by the inclined-plane of V-groove 23, it will be able to which pull-up lower connector 16 makes lower connector 16 It is gradually moved up during clip 22 is sealed, until lower flange 19 is docked with the sealing of upper flange 18.

Tension spring 32 is vertically provided in two support plate 27 respectively, one end of tension spring 32 is connected with corresponding support plate 27, The other end is connect with 1 bottom surface of centrifuge engine base or holder 2601.During clip 22 is sealed, the oblique of V-groove 23 can be reduced The power applied in face of the lower surface of lower flange 19, makes lower connector 16 be easier to move up.

It is provided with an inner tube 33 in the shaft 4, it is straight more than 4 upper end of shaft that the upper end of the inner tube 33 is provided with an outer diameter The boss 34 of diameter, on 5 inner bottom surface of the rotary drum twisted rotary shaft 4 be provided with 34 matched groove 35 of the boss, The boss 34 is embedded in groove 35, and 4 upper end of shaft, the boss 34 and 35 bottom of groove are fixed on by screw 36 It is tightly connected between face, 33 lower end of said inner tube is docked with the sealing of upper connector 15.

Shaft 4 can adhere to impurity, need to clean after filtering one end time on inner wall, but 4 length of shaft is long, weight Greatly, cleaning up is very troublesome, and after setting inner tube 33, after filtering one end time, can directly extract inner tube 33 in shaft 4 It carries out cleaning or directly replaces, it is convenient and economical to safeguard.

On the filter plate 14 filter cloth 31 is equipped on 5 inner wall of rotary drum of 14 top of plane and filter plate.Actually make The different filter cloth of mesh number can be arranged in used time for different mixed materials on 5 side wall upper level filter plate 14 of rotary drum, improve solid The interception capacity of body material can also simplify the cleaning in rotary drum.

Shown in Fig. 7, Fig. 8 it is the structural schematic diagram of second of specific implementation mode of the invention, as shown, filtering centrifuge Drum assembly includes the shaft 4 being vertically provided in centrifuge bearing block 3, and the upper end of the shaft 4 is stretched out outside bearing block 3 and is socketed There are one rotary drum 5, it is provided with one piece in rotary drum 5 above its bottom surface and surrounding is connected to the filter plate 14 on 5 inner wall of rotary drum, It is both provided with numerous filter openings 7 on the filter plate 14 and 5 side wall of rotary drum being positioned above, which is characterized in that the shaft 4 is Axially hollow tube body, 4 upper end of shaft connection rotary drum 5 inside and flushes with 5 bottom surface of rotary drum, and 4 lower end of shaft coaxial is set with one The sealing docking of upper connector 15 set, the lower part of upper connector 15 are socketed with the filtrate take over 2 of a coaxial arrangement, which connects Pipe 2 is fixedly connected on by holder 2601 on centrifuge engine base 1, and the internal diameter of the filtrate take over 2 is more than the outer of upper connector 15 Diameter, 2 upper surface upper edge inner rim of filtrate take over are provided with the ring-shaped step 8 of invagination, are fixedly installed on step 8 and upper connector The mechanical sealing static ring 9 of 15 clearance fits, the mechanical sealing static ring 9 are tightly connected with step 8, on 15 outer wall of the upper connector It is fixedly installed mechanical sealing linkage ring 11, the mechanical sealing linkage ring 11 sealing is socketed on the outer wall of upper connector 15, the machine The upper end of tool stationary seal ring 9 and 11 palette of mechanical sealing linkage ring.

Compared with the first specific implementation mode shown in FIG. 1, upper connector 15 in second of specific implementation mode with Filtrate take over 2 remains connection status, and when use is more convenient, filters more efficient；When shaft 4 rotates, mechanical sealing linkage ring The upper end sealing of 11 lower ends and mechanical sealing static ring 9 is connected, when filtrate even more being prevented to be sprayed from 15 lower end of upper connector from Under mental power function the case where upruss.

The operation principle of the first of the invention specific implementation mode is：When bowl is static, lock uint 26 will Upper flange 18 and lower flange 19 are sealed, are at this moment communicated to very by shaft 4, upper connector 15 and lower connector 16 in rotary drum 5 Empty set system 17, then pour into mixed material into rotary drum 5, when mixed material have it is a certain amount of when, open vacuum system 17 It is filtered by vacuum, the liquid in rotary drum 5 is under the absorption of vacuum system, by filter cloth 31, filter plate 14, into filter plate 14 With the region between 5 bottom surface of rotary drum, then along 5 bottom surface of funnelform rotary drum flow into tubulose shaft 4 in, by shaft 4, on Connecting tube 15 and lower connector 16 are taken away by vacuum system 17.

After suction filtration after a period of time, most of liquid in mixed material is pumped, at this point, by controlling flexible push away The push rod 2603 of lever apparatus 2602 stretches out, and two clips 22 is pushed gradually to open, and upper flange 18 and lower flange 19 are gradually disengaged, and are being opened In open procedure, connecting plate 25 is drawn close under the guiding of slide bar 37 and sliding block 38 to sliding block 38, finally makes two clips 22 and upper flange 18, lower flange 19 completely disengages.

Then it can start suction filtration centrifuge, driving rotary drum 5 rotates, and centrifugation point is carried out to the remaining mixture material in rotary drum 5 Under the action of the centrifugal from, the liquid in mixed material, it is thrown away by filter cloth 31 on 5 side wall of rotary drum and filter opening 7, realizes solid-liquid point From.

After rotary drum 5 stops operating, again control telescopic push rod device 2602 push rod 2603 retract, pull two clips 22 by Gradually close up, during clip 22 closes up, V-groove corresponding with the lower surface of lower flange 19 inclined-plane is applied with one to lower flange 19 The power moved up promotes lower connector 16 gradually to be moved up with closing up for clip 22, until upper flange 18 and lower flange 19 are tightly connected.

The operation principle of second of specific implementation mode of the invention is：Mixed material directly is poured into rotary drum 5, works as mixing When material has a certain amount of, opens vacuum system 17 and be filtered by vacuum, absorption of the liquid in rotary drum 5 in vacuum system Under, pass through filter cloth 31, filter plate 14, the region between 5 bottom surface of filter plate 14 and rotary drum, then along funnelform rotary drum 5 bottom surfaces flow into the shaft 4 of tubulose, are taken away by vacuum system 17 by shaft 4, upper connector 15 and filtrate take over 2.

After suction filtration after a period of time, most of liquid in mixed material is pumped, at this point, can start suction filtration centrifugation Machine, driving rotary drum 5 rotate, the remaining mixture material in rotary drum 5 are centrifuged, and the liquid in mixed material is made in centrifugation It under, is thrown away by filter cloth 31 on 5 side wall of rotary drum and filter opening 7, realizes and be separated by solid-liquid separation.

When shaft 4 rotates, upper connector 15 and mechanical sealing linkage ring 11 rotate synchronously, mechanical sealing linkage ring 11 and machinery Stationary seal ring 9 is opposite to be slided.Upper end due to mechanical sealing static ring 9 and 11 palette of mechanical sealing linkage ring, when machinery When moving sealing ring 11 rotates, the two still keeps palette state.

Claims

1. bowl component is filtered, including the shaft (4) being vertically provided in centrifuge bearing block (3), the shaft (4) Upper end stretching bearing block (3) is outside and socket is there are one rotary drum (5), and rotary drum (5) is interior to be provided with one piece positioned at its bottom surface top and four On the filter plate (14) being connected in week on rotary drum (5) inner wall, the filter plate (14) and rotary drum (5) side wall being positioned above It is provided with numerous filter openings (7), which is characterized in that the shaft (4) is axially hollow tube body, and shaft (4) upper end is connected to rotary drum (5) it being flushed inside and with rotary drum (5) bottom surface, shaft (4) lower end is docked with the upper connector (15) a being coaxially disposed sealing, on The lower end of connecting tube (15) is detachably connected with lower connector (16), the other end and the vacuum system (17) of lower connector (16) It is tightly connected, there are one upper flange (18), the upper end caps of the lower connector (16) for the lower end socket of the upper connector (15) It is connected to and is less than the annular at middle part with upper flange (18) matched lower flange (19), the upper surface of the upper flange (18) for surrounding Inclined-plane, the lower surface of the lower flange (19) are the annular slope that surrounding is higher than middle part, the upper flange (18) and lower flange (19) the semicircular clip (22) surrounded outside it by two is connected together, and two clips (22) are symmetrical arranged, The V-shaped groove (23) along its circumference, the upper flange (18) and lower flange are respectively arranged on two clips (22) forward surface (19) excircle is simultaneously in the embedded V-shaped groove (23), the side wall of V-groove (23) respectively with corresponding upper flange (18) upper table Face, lower flange (19) lower surface are parallel, and one end of two clips (22) is hinged on one piece by vertically arranged hinged shaft (24) respectively On connecting plate (25), the other end is locked by lock uint (26).

2. suction filtration bowl component according to claim 1, which is characterized in that the lock uint (26) includes solid Surely the holder (2601) being connected on centrifuge engine base (1) bottom surface is provided with telescopic push rod device (2602) on holder (2601), The opening of two clip (22) of the body of rod (2603) face of telescopic push rod device (2602), the body of rod (2603) front end is horizontally disposed to be had A connecting seat (2604) is symmetrically arranged with two connecting rods (2605) on connecting seat (2604) centered on the body of rod (2603) axis, One end of two connecting rod (2605) is hinged on by vertically arranged the first axis pin (2606) on connecting seat (2604) respectively, The other end is connected to by vertically arranged the second axis pin (2607) on different clip (22) respectively, and the connecting plate (25) is logical Holder (2601) fixation is crossed to be suspended below centrifuge engine base (1), when telescopic push rod device (2602) is in contraction state, card (22) are bound round to lock upper flange (18) and lower flange (19), and two connecting rods (2605) to clip (22) direction at opening shape.

3. suction filtration bowl component according to claim 2, which is characterized in that the connecting plate (25) is back to clip (22) side setting is parallel to the slide bar (37) of the body of rod (2603), is fixedly connected on the holder (2601) and is set in cunning Sliding block (38) on bar (37), the slide bar (37) can slidably reciprocate along its axial direction in sliding block (38).

4. suction filtration bowl component according to claim 3, which is characterized in that the both sides of the lower connector (16) It is respectively arranged with one piece of support plate horizontally outward extended (27), two support plates (27) epitaxial end is vertically provided with sleeve respectively (28), be provided with pull rod (29) in casing (28), the upper end of pull rod (29) be fixedly connected on centrifuge engine base (1) bottom surface or On holder (2601), pull rod (29) lower end extends downwardly casing (28) outside, and is threaded with the nut of blocking casing (28) (30), the support plate (27) can move up and down along pull rod (29), when support plate (27) and nut (30) contact, upper flange (18) it is detached with lower flange (19), but lower flange (19) is still within the scope of the engaging of clip (22).

5. suction filtration bowl component according to claim 4, which is characterized in that on two support plate (27) respectively It is vertically provided with tension spring (32), one end of tension spring (32) is connected with corresponding support plate (27), the other end and centrifuge engine base (1) bottom Face or holder (2601) connection.

6. bowl component is filtered, including the shaft (4) being vertically provided in centrifuge bearing block (3), the shaft (4) Upper end stretching bearing block (3) is outside and socket is there are one rotary drum (5), and rotary drum (5) is interior to be provided with one piece positioned at its bottom surface top and four On the filter plate (14) being connected in week on rotary drum (5) inner wall, the filter plate (14) and rotary drum (5) side wall being positioned above It is provided with numerous filter openings (7), which is characterized in that the shaft (4) is axially hollow tube body, and shaft (4) upper end is connected to rotary drum (5) it being flushed inside and with rotary drum (5) bottom surface, shaft (4) lower end is docked with the upper connector (15) a being coaxially disposed sealing, on The filtrate that the lower part of connecting tube (15) is socketed with a coaxial arrangement takes over (2), and it is solid by holder (2601) which takes over (2) Surely it is connected on centrifuge engine base (1), the filtrate takes over the outer diameter of the internal diameter more than upper connector (15) of (2), and filtrate is taken over (2) upper edge inner rim in upper surface is provided with the ring-shaped step (8) of invagination, is fixedly installed on step (8) and upper connector (15) The mechanical sealing static ring (9) of clearance fit, the mechanical sealing static ring (9) are tightly connected with step (8), the upper connector (15) Mechanical sealing linkage ring (11) is fixedly installed on outer wall, the mechanical sealing linkage ring (11) sealing is socketed in the outer of upper connector (15) On wall, upper end and mechanical sealing linkage ring (11) palette of the mechanical sealing static ring (9).

7. according to any suction filtration bowl component of claim 1~6, which is characterized in that set in the shaft (4) It is equipped with an inner tube (33), the upper end of the inner tube (33) is provided with the boss that an outer diameter is more than shaft (4) upper end diameter (34), twisted rotary shaft (4) is provided with and the boss (34) matched groove (35), institute on rotary drum (5) inner bottom surface State in the embedded groove (35) of boss (34), shaft (4) upper end be fixed on by screw (36), the boss (34) with It is tightly connected between groove (35) bottom surface, said inner tube (33) lower end is docked with upper connector (15) sealing.

8. according to any suction filtration bowl component of claim 1~6, which is characterized in that the filter plate (14) It is equipped with filter cloth (31) on rotary drum (5) inner wall above upper plane and filter plate (14).

9. according to any suction filtration bowl component of claim 1~6, which is characterized in that the rotary drum (5) it is interior The upper end of bottom surface funnel, the shaft (4) is located at the lowest point of rotary drum (5) inner bottom surface.