CN215784142U

CN215784142U - Centering gland assembly and centrifugal membrane filter

Info

Publication number: CN215784142U
Application number: CN202121465866.1U
Authority: CN
Inventors: 苏秀榕
Original assignee: Zhejiang Zhenghegu Biotechnology Co ltd
Current assignee: Zhejiang Zhenghegu Biotechnology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-11
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to the technical field of centrifugal membrane filtration, and discloses a centering gland assembly and a centrifugal membrane filter, which comprise a static cover body matched with a static part, the lower end of the static cover body is provided with a follow-up cover body matched with a rotating part arranged in the static part, the lower end of the static cover body is provided with a lubricating rotating mechanism which ensures the follow-up cover body to smoothly rotate relative to the static cover body, the follow-up cover body, the lubricating rotating mechanism and the rotating part are connected and then synchronously and concentrically rotate, the lubricating rotating mechanism provides centering supporting force for the rotating part, when the centrifugal membrane filter is matched, the static part, namely the outer barrel of the centrifugal membrane filter, the rotating part, namely the inner barrel of the centrifugal membrane filter, and the static cover body, the follow-up cover body and the lubricating and rotating mechanism are arranged, so that the rotating stability of the centrifugal membrane filter can be improved, the abrasion of each part is reduced, and the service life of the centrifugal membrane filter is prolonged.

Description

Centering gland assembly and centrifugal membrane filter

Technical Field

The utility model relates to the technical field of centrifugal membrane filtration, in particular to a centering gland component and a centrifugal membrane filter.

Background

A centrifuge is a machine that separates components of a liquid from solid particles or a mixture of a liquid and a liquid by centrifugal force, and is mainly used for separating solid particles from a liquid in a suspension; or separating two immiscible liquids with different densities in the emulsion; and also to remove liquids from wet solids.

Chinese patent with publication number CN210729860U discloses a novel centrifuge, including outer bucket, interior bucket and sealed lid, the pivot has all been welded to the left and right sides outer wall of outer bucket, and has cup jointed the adapter sleeve in the outside of pivot, the below of adapter sleeve is fixed with branch, and the bottom of branch installs the base, the bottom left and right sides of outer bucket all is connected with the fluid-discharge tube, and the intermediate position of fluid-discharge tube installs sealed butterfly valve, the bottom intermediate position of outer bucket is fixed with the motor, and installs well core rod in the top of motor, interior bucket is fixed in well core rod's the outside, and the inner wall of interior bucket settles and have the filter sieve. The upper surface of the inner barrel is fixed with a clamping block, a spoiler is connected above the clamping block, the sealing cover is in threaded connection with an opening at the upper end of the outer barrel, hinges are mounted on the outer walls of the left side and the right side of the spoiler, one end of a spring rod is rotatably connected below the hinges, a lantern ring is fixed at the other end of the spring rod, and locking blocks are fixed on the outer walls of the left side and the right side of the inner barrel.

Only the lower extreme of foretell interior bucket rotates in outer bucket bottom through the pivot, and interior bucket upper end is an opening and upper end and does not have centering structure, along with centrifuge's high-speed rotation, and interior bucket takes place transversely to rock easily, and the operation sound is big, and is very big to the pivot injury, has shortened centrifuge's life.

SUMMERY OF THE UTILITY MODEL

Aiming at the problem that the inner barrel of the centrifugal barrel in the comparison document is easy to transversely shake in the rotating process so as to shorten the service life of equipment, the utility model aims to provide a centering gland assembly capable of prolonging the service life.

In order to solve the technical problems, the utility model provides the following technical scheme: the centering gland assembly comprises a static cover body matched with a static part, a follow-up cover body matched with a rotating part arranged in the static part is arranged at the lower end of the static cover body, a lubricating rotating mechanism for ensuring smooth rotation of the follow-up cover body relative to the static part is arranged at the lower end of the static cover body, the follow-up cover body, the lubricating rotating mechanism and the rotating part are connected and then synchronously and concentrically rotate, and the lubricating rotating mechanism provides centering supporting force for the rotating part.

According to the above scheme, the centering gland assembly is mainly applied to a device which is provided with an inner layer of component and an outer layer of component, wherein the inner component is in a rotating motion, and the outer component is in a static state, generally, one end of the inner component is provided with an opening, so that only one end of the inner component is in rotating fit with the outer component, the main function of the centering gland assembly is to provide a concentric supporting force for the end with the opening of the inner component, so that two ends of the whole inner component are in synchronous concentric rotation, thereby avoiding the inner component from shaking during rotation, in the centering gland assembly, a static cover body is in a fixed state after being matched with the static component and is used for supporting a lubricating rotating mechanism, a follow-up cover body is in synchronous rotation due to being matched with the inner component, so that the function of avoiding the leakage of materials in the inner component can be achieved, and the lubricating rotating mechanism and the inner component are in the same rotating center, after the two ends of the device are respectively connected with the static cover body and the follow-up cover body, the device can provide rotating lubricating property and supporting force for the follow-up cover body, so that the internal parts are prevented from rotating and shaking, the rotating stability of the device is ensured, and the service life of the device is prolonged.

Furthermore, the rotating lubricating mechanism comprises a fixed shaft which is arranged at the lower end of the static cover body in a protruding mode and is concentric with the rotating center of the rotating component, a rotating disc which is sleeved outside the fixed shaft and a bearing which is arranged between the fixed shaft and the rotating disc.

Furthermore, the turntable and the follow-up cover body are fixedly connected or detachably connected and matched.

Furthermore, when the turntable and the follow-up cover body are fixedly connected, the follow-up cover body is in plug-in sealing fit with the rotating component; when the turntable and the follow-up cover body are detachably connected and matched, the follow-up cover body is in threaded sealing fit with the rotating part.

Furthermore, when the turntable and the follow-up cover body are detachably arranged, the lower end of the turntable is sunken to be provided with a positioning slot, and the upper end of the follow-up cover body is convexly provided with a positioning convex strip matched with the positioning slot.

Further, the turntable comprises a supporting core disc which is in running fit with the bearing and an axial anti-vibration component which is fixed below the supporting core disc.

According to the scheme, the axial anti-vibration component is arranged, so that the axial shock absorption function can be provided for the inner barrel, and the effects of muting and protecting parts can be achieved.

Furthermore, the axial anti-vibration component is an elastic buffer sleeve which is sleeved at the lower end of the support core disc in an elastic interference manner.

According to the scheme, the elastic buffer sleeve can increase friction force and elastic buffer capacity.

Furthermore, a lifting ring is detachably arranged at the upper end of the static cover body.

The second objective of the present invention is to provide a centrifugal membrane filter, which has the above-mentioned technical solution, wherein the stationary component is an outer barrel, the rotating component is an inner barrel disposed in the outer barrel, the bottom of the inner barrel is rotatably connected to the outer barrel through a rotating shaft, the rotation of the inner barrel is controlled by a motor, the static cover is detachably covered on the outer barrel, the follower cover is detachably covered on the inner barrel, and the lubricating rotating mechanism is concentrically and rotatably engaged with the rotating shaft.

Furthermore, a positioning mechanism is arranged on the static cover body and the outer barrel, and the positioning mechanism comprises a positioning groove which is sunken in the upper end of the outer barrel and a positioning column which is convexly arranged on the lower end surface of the static cover body and is in splicing fit with the positioning groove.

According to the scheme, the positioning mechanism is arranged, so that the lubricating rotating mechanism and the inner barrel on the static cover body are positioned in the same rotating center after the static cover body is matched with the outer barrel.

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

1. the centering gland subassembly of setting, to rotating the interior bucket of setting one end area opening and unsettled pivoted in outer bucket, can play sealed interior bucket and for interior bucket provide concentric rotation holding power effect, ensure interior bucket can the steady rotation, avoid simultaneously the material in the interior bucket to throw away in rotating between bucket and outer bucket, lubricated slewing mechanism on it, can reduce the relative static lid of follow-up lid and rotate the wearing and tearing that produce and provide centering holding power for interior bucket through static lid, the stable rotation of interior bucket and the reduction of wearing and tearing can both effectively improve centrifugal membrane filter's life.

2. The lubricating rotating mechanism further comprises an axial anti-vibration component, so that the buffer force of the rotating shaft of the inner barrel can be reduced while the inner barrel is prevented from horizontally shaking when rotating, and the silencing effect is achieved while the abrasion among all parts is reduced.

3. A positioning mechanism is arranged between the outer barrel and the static cover body, the position of the static cover body is accurately positioned, and the lubricating rotating mechanism and the inner barrel can be positioned on the same rotating center after the static cover body is covered.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

figure 1 is a disassembled view of the centering gland assembly of embodiment 1;

FIG. 2 is a partially exploded view of a centrifugal membrane filter with a centering gland assembly of example 1;

FIG. 3 is an isometric view of a centrifugal membrane filter with a centering gland assembly of example 1;

fig. 4 is an exploded view of the centering gland assembly of embodiment 2.

In the figure: 1. a static cover; 2. a fixed shaft; 3. a bearing; 4. a turntable; 401. supporting the core disc; 402. an axial anti-vibration component; 5. positioning the slot; 6. a follow-up cover body; 7. an external thread; 8. a positioning column; 9. a lifting ring; 10. buckling; 11. a guide slot; 12. a card slot; 13. clamping convex; 14. positioning the convex strip; 15. an outer tub; 16. an inner barrel; 17. an internal thread; 18. positioning a groove; 19. a retaining ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

A centrifugal membrane filter with a centering gland assembly is disclosed, referring to fig. 1-3, comprising an outer barrel 15, an inner barrel 16 located in the outer barrel 15, wherein the upper end of the inner barrel 16 is an opening for placing materials, the lower end of the inner barrel 16 rotates at the bottom of the outer barrel 15 through a rotating shaft, and the rotating shaft is driven to rotate through a servo motor arranged in the outer barrel 15 so as to drive the inner barrel 16 to rotate rapidly, which is the prior art.

Among the prior art, outer bucket 15 upper end is provided with a closing cap, some then direct uncovered settings that have inner cup of being provided with of interior bucket 16, so, put in and be convenient for wash the scheduling problem fast for the ease of the material, interior bucket 16 often upper end is in unsettled state, it rotates and only leans on the pivot drive of bottom, there is horizontal direction rocking during the rotation, horizontal direction rocking when the improvement of this scheme is used for reducing or even eliminates interior bucket 16 and rotates, remain the quick input of the material of being convenient for and be convenient for abluent advantage simultaneously.

In this embodiment, a centering cover assembly is added for replacing the sealing cover on the outer barrel 15 in the prior art, the centering cover assembly comprises a static cover body 1 detachably and fixedly matched with the outer barrel 15, a lifting ring 9 is detachably arranged at the upper end of the static cover body 1, the lifting ring 9 is in an inverted U shape, the side walls of the two ends of the bottom are provided with buckles 10, two guide slots 11 for inserting the bottoms of the lifting ring 9 are recessed at the upper end of the static cover body 1, clamping grooves 12 for clamping and longitudinally sliding the buckles 10 are arranged on the side walls of the guide slots 11, the lifting ring 9 can be accommodated on the static cover body 1 and can be lifted until the partial part is exposed for being lifted by a human hand for carrying, the static cover body 1 is matched and fixed on the outer barrel 15 through a retaining ring 19 arranged on the outer wall of the outer barrel 15 and a clamping bulge 13 on the static cover body, a follow-up cover body 6 detachably and fixedly matched with the inner barrel 16 is arranged at the lower end of the static cover body 1, the lower end of the static cover body 1 is provided with a lubricating and rotating mechanism for ensuring the follow-up cover body 6 to smoothly rotate relative to the static cover body, the rotating and lubricating mechanism comprises a fixed shaft 2 which is convexly arranged at the lower end of the static cover body 1 and is concentric with the rotating shaft, a rotating disc 4 which is sleeved outside the fixed shaft 2 and a bearing 3 which is arranged between the fixed shaft 2 and the rotating disc 4, the bearing 3 is a ball bearing 3, the outer ring of the ball bearing is fixedly connected with the rotating disc 4, and the inner ring of the ball bearing is fixedly connected with the fixed shaft 2.

Two matching modes, namely fixed connection or detachable connection, exist between the turntable 4 and the follow-up cover body 6, when the turntable 4 and the follow-up cover body 6 are fixedly connected, in order to facilitate the synchronous rotation of the follow-up cover body 6 and the inner barrel 16, the follow-up cover body 6 and the inner barrel 16 need to be inserted and sealed and matched, namely, the lower end of the follow-up cover body 6 needs to be provided with an inserted rod, and the upper end of the inner barrel 16 is provided with a slot for the inserted rod to be inserted so as to realize the synchronous rotation of the two; when carousel 4 and follow-up lid 6 releasable connection cooperation, follow-up lid 6 can adopt joint, lock joint or screw thread sealing cooperation with interior bucket 16, what this embodiment adopted is screw thread sealing cooperation's mode, promptly, sets up internal thread 17 at interior bucket 16 inner wall, sets up external screw thread 7 at the outer rampart of follow-up lid 6.

In this embodiment, the adopted mode that the turntable 4 and the follow-up cover 6 can be detachably connected is a plugging fit, that is, the lower end of the turntable 4 is recessed with the positioning slot 5, the upper end of the follow-up cover 6 is convexly provided with the positioning protruding strip 14 matched with the positioning slot 5, and of course, the positioning protruding strip 14 can be reversely arranged, and the turntable 4, the follow-up cover 6 and the inner barrel 16 are driven to synchronously rotate through the matching of the positioning slot 5 and the positioning protruding strip 14.

According to the above structure, the following cover 6, the lubricating rotation mechanism and the inner barrel 16 are connected and then synchronously and concentrically rotate, and the lubricating rotation mechanism provides a centering supporting force for the inner barrel 16.

In order to ensure that the static cover body 1, the lubricating and rotating mechanism, the follow-up cover body 6 and the inner barrel 16 rotate concentrically when the static cover body is covered, the static cover body and the outer barrel 15 are provided with positioning mechanisms, and the positioning mechanisms comprise positioning grooves 18 which are sunken at the upper end of the outer barrel 15 and positioning columns 8 which are convexly arranged on the lower end surface of the static cover body and are in splicing fit with the positioning grooves 18.

When the device is used, the snap ring 19 is taken down from the clamping boss 13, the static cover body 1 and the lubricating rotating mechanism connected with the static cover body 1 can be taken down, then the follow-up cover body 6 is screwed down, materials can be poured into the inner barrel 16, then the follow-up cover body 6 is screwed, as the sealing ring is arranged between the follow-up cover body 6 and the inner barrel 16, the static cover body 1 and the outer barrel 15 are in sealing fit, then the static cover body 1 and the outer barrel 15 are spliced and positioned through the positioning mechanism, the snap ring 19 is used for fastening and fixing the static cover body 1 on the outer barrel 15, the servo motor is opened, and the rotating shaft is driven to rotate, so that the materials in the inner barrel 16 can be subjected to high-speed centrifugation.

Example 2

On the basis of embodiment 1, upgrade lubricated slewing mechanism, refer to fig. 4, carousel 4 among the lubricated slewing mechanism includes with bearing 3 normal running fit's support core disc 401 and is fixed in the axial antidetonation part 402 that supports the core disc 401 below, axial antidetonation part 402 is the elastic buffer sleeve that an elasticity interference cup joints in support core disc lower extreme, set up axial antidetonation part 402, can provide axial shock-absorbing function for interior bucket 16, can play the effect of silence and protection part, promote simultaneously to support core disc 401 and its between the frictional force of complex, avoid taking place deflection motion.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Centering gland subassembly, including with static part complex static lid (1), its characterized in that: the lower end of the static cover body (1) is provided with a follow-up cover body (6) matched with a rotating part arranged in the static part, the lower end of the static cover body (1) is provided with a lubricating rotating mechanism for ensuring the follow-up cover body (6) to smoothly rotate relative to the static part, the follow-up cover body (6), the lubricating rotating mechanism and the rotating part are connected and then synchronously and concentrically rotate, and the lubricating rotating mechanism provides centering supporting force for the rotating part.

2. The centering gland assembly of claim 1, wherein: the rotating lubricating mechanism comprises a fixed shaft (2) which is convexly arranged at the lower end of the static cover body (1) and is concentric with the rotating center of the rotating part, a rotating disc (4) sleeved outside the fixed shaft (2) and a bearing (3) arranged between the fixed shaft (2) and the rotating disc (4).

3. The centering gland assembly of claim 2, wherein: the turntable (4) and the follow-up cover body (6) are fixedly connected or detachably connected and matched.

4. The centering gland assembly of claim 3, wherein: when the turntable (4) and the follow-up cover body (6) are fixedly connected, the follow-up cover body (6) is in plug-in sealing fit with the rotating part; when the turntable (4) and the follow-up cover body (6) are detachably connected and matched, the follow-up cover body (6) is in threaded sealing fit with the rotating component.

5. The centering gland assembly of claim 3, wherein: when the turntable (4) and the follow-up cover body (6) are detachably arranged, the lower end of the turntable (4) is sunken with the positioning slot (5), and the upper end of the follow-up cover body (6) is convexly provided with the positioning convex strip (14) matched with the positioning slot (5).

6. The centering gland assembly of claim 3, wherein: the rotary disc (4) comprises a supporting core disc (401) which is in running fit with the bearing (3) and an axial anti-vibration component (402) which is fixed below the supporting core disc (401).

7. The centering gland assembly of claim 6, wherein: the axial anti-vibration part (402) is an elastic buffer sleeve which is elastically sleeved at the lower end of the support core disc in an interference manner.

8. The centering gland assembly of claim 1, wherein: a lifting ring (9) is detachably arranged at the upper end of the static cover body (1).

9. A centrifugal membrane filter provided with a centering gland assembly according to any one of claims 1 to 8, characterized in that: the static component is an outer barrel (15), the rotating component is an inner barrel (16) arranged in the outer barrel (15), the bottom of the inner barrel (16) is rotationally connected with the outer barrel (15) through a rotating shaft, the rotation of the inner barrel (16) is controlled by a motor, the static cover body is detachably covered on the outer barrel (15), the follow-up cover body (6) is detachably covered on the inner barrel (16), and the lubricating rotating mechanism is concentrically and rotationally matched with the rotating shaft.

10. A centrifugal membrane filter according to claim 9, wherein: the static cover body and the outer barrel (15) are provided with positioning mechanisms, and the positioning mechanisms comprise positioning grooves (18) which are sunken in the upper end of the outer barrel (15) and positioning columns (8) which are convexly arranged on the lower end surface of the static cover body and are in splicing fit with the positioning grooves (18).