CN220496633U

CN220496633U - Stirring type centrifuge drum

Info

Publication number: CN220496633U
Application number: CN202322016888.5U
Authority: CN
Inventors: 魏华; 柏映光; 杨洁
Original assignee: Kaile Testing And Certification Group Hainan Co ltd
Current assignee: Kaile Testing And Certification Group Hainan Co ltd
Priority date: 2023-07-30
Filing date: 2023-07-30
Publication date: 2024-02-20
Anticipated expiration: 2033-07-30

Abstract

The utility model provides a stirring type centrifuge drum, and belongs to the technical field of centrifuges. The rotary drum comprises a rotary drum body, a driving shaft and a center seat fixedly connected to the center position in the inner bottom of the rotary drum body, wherein a first hollow shaft body is fixedly arranged in the center seat, the bottom end of the first shaft body extends to the outer part of the rotary drum body, a second shaft body penetrates through the first shaft body, the top end of the second shaft body penetrates out of the center seat, the bottom end of the second shaft body penetrates out of the first shaft body, the top end of the second shaft body is fixedly connected with a stirring structure, a first driving wheel is fixedly arranged on the outer side wall of the bottom end of the first shaft body, a second driving wheel is fixedly arranged on the outer side wall of the bottom end of the second shaft body, and the diameter of the first driving wheel is larger than that of the second driving wheel. The stirring structure in the rotary drum has stable stirring force, and the stirring function is more comprehensive, so that the liquid can be conveniently and rapidly discharged.

Description

Stirring type centrifuge drum

Technical Field

The utility model relates to the field of centrifuges, in particular to a stirring type centrifuge drum.

Background

A centrifuge is a device for separating different components in a mixture. The inside of the centrifugal machine is provided with a rotary drum which is an important component part of the centrifugal machine. It is generally constituted by a cylindrical container, inside which the material to be treated is contained. When the rotary drum rotates, the centrifugal force can be used for separating, filtering, drying and other treatment processes of materials. In a common rotary drum, stirring of materials cannot be carried out, and the problem that the materials are accumulated at the edge of an inner cavity of the rotary drum easily occurs in the process that the materials rotate along with the rotary drum. The piling of materials in the rotary drum can lead to the fact that the materials close to the inside can not throw out liquid, and work efficiency is low.

To be searched, patent application publication No. CN218167380U discloses a stirred centrifuge bowl comprising: the rotary drum base body comprises a chassis and a rotary drum, an upward extending shaft sleeve is concentrically arranged in the middle of the chassis, pin seats are arranged on the outer circle of the shaft sleeve at intervals, and the stirring rod can be arranged on the pin seats in an up-down overturning manner. In this application, rotary drum matrix variable speed rotatory in-process, under the effect of centrifugal force, the puddler front end can the luffing motion, carries out the stirring of the interior material of rotary drum matrix and turns, avoids accumulational problem. But stirring rod structure and stirring mode are single, make the puddler swing through the change of centrifugal force simultaneously, and the stirring power of puddler is less, and stirring effect remains to improve.

How to develop a stirring centrifuge bowl to improve these problems is a highly desirable problem for those skilled in the art.

Disclosure of Invention

In order to overcome the defects, the utility model provides a stirring type centrifuge drum, and aims to solve the problems.

The utility model is realized in the following way:

the utility model provides a stirring type centrifuge drum which comprises a drum body, a driving shaft and a center seat fixedly connected to the center position in the inner bottom of the drum body, wherein a first hollow shaft body is fixedly arranged in the center seat, the bottom end of the first shaft body extends to the outer side of the drum body, a second shaft body penetrates through the first shaft body, the top end of the second shaft body penetrates out of the center seat, the bottom end of the second shaft body penetrates out of the first shaft body, the top end of the second shaft body is fixedly connected with a stirring structure, a first driving wheel is fixedly arranged on the outer side wall of the bottom end of the first shaft body, a second driving wheel is fixedly arranged on the outer side wall of the bottom end of the second shaft body, the diameter of the first driving wheel is larger than that of the second driving wheel, two third driving wheels are fixedly arranged on the driving shaft, and the two third driving wheels are respectively connected with the first driving wheel and the second driving wheel through two belts in a conveying mode.

Preferably, the inside of center seat has seted up the grafting groove, first axis body is pegged graft in the inside of grafting groove, fixed connection and fixing base on the lateral wall of first axis body, be connected through the bolt between fixing base and the center seat.

Preferably, the top end of the plugging groove is provided with a through hole in a penetrating way, the top end of the second shaft body inside the first shaft body penetrates out of the center seat through the through hole, and the inner side wall of the through hole is provided with a sealing element.

Preferably, the top of the center seat is provided with a mounting groove, a bearing is fixedly mounted in the mounting groove, and the second shaft body is arranged in the bearing in a penetrating mode.

Preferably, the stirring structure comprises a connecting seat fixedly connected to the top end of the second shaft body, a plurality of connecting rods are fixedly connected to the side wall of the connecting seat, each connecting rod is far away from an inclined scraping plate which is vertically arranged at one end of the connecting seat, and one side, close to the inner wall of the rotary drum body, of the inclined scraping plate is attached to the inner wall of the rotary drum body.

Preferably, a plurality of auxiliary stirring rods are fixedly connected to the connecting rod.

Preferably, the number of the connecting rods is at least two, and the connecting rods are connected through connecting ribs.

The beneficial effects of the utility model are as follows: through the cooperation use between rotary drum body, center seat, first axis body, second axis body, first drive wheel, second drive wheel, drive shaft and the stirring structure, the second axis body can move about with first axis body relatively, under the setting of first drive wheel and second drive wheel, can drive first axis body and second axis body rotation simultaneously through the drive shaft, has the rotational speed difference between stirring structure and the rotary drum body, stirring structure is rotatory stirring for the rotary drum body. The drive shaft is driven by the motor, and the second shaft body is driven by the belt, so that the stirring structure has large rotating force, is not influenced by the blocking of the material in the rotary drum body, and can stably stir. Simultaneously through the setting of oblique scraper blade, can strike off the material of attaching on the rotary drum body inside wall, avoid the leak hole on the rotary drum body to block up, and vice stirring rod's setting has promoted the stirring effect again, and the intensive mixing material is convenient for material liquid throws away.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of an external appearance structure of a bowl of a stirring centrifuge according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the bottom structure of a bowl of a stirred centrifuge according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an internal structure of a bowl of a stirring centrifuge according to an embodiment of the present utility model;

fig. 4 is a structural cross-sectional view of a bowl of a stirred centrifuge according to an embodiment of the present utility model.

In the figure: 1. a drum body; 2. a center seat; 3. a plug-in groove; 4. a first shaft body; 5. a second shaft body; 6. a connecting seat; 7. a connecting rod; 8. an inclined scraper; 9. a secondary stirring rod; 10. a connecting rib; 11. a first driving wheel; 12. a second driving wheel; 13. a drive shaft; 14. a third driving wheel; 15. a belt; 16. a bearing; 17. a seal; 18. a fixing seat.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, a bowl of a stirring centrifuge includes a bowl body 1, a driving shaft 13, and a center seat 2 fixedly connected to a center position in an inner bottom of the bowl body 1, the driving shaft 13 being driven by a motor. The inside fixed mounting of center seat 2 has the first axis body 4 of cavity setting, and the bottom of first axis body 4 extends to the outside of rotary drum body 1. The inside of the center seat 2 is provided with a plugging groove 3, the first shaft body 4 is plugged into the plugging groove 3, the outer side wall of the first shaft body 4 is fixedly connected with a fixed seat 18, and the fixed seat 18 is connected with the center seat 2 through bolts.

The fixing base 18 and the center base 2 can be separated by removing the bolts, so that the first shaft body 4 can be removed. After the first shaft body 4 is fixed with the center seat 2, the first shaft body 4 rotates to drive the rotary drum body 1 to rotate, so that the rotary centrifugation of the rotary drum body 1 is realized. A certain number of leak holes are arranged on the side wall of the rotary drum body 1, so that liquid can be conveniently discharged.

The first shaft body 4 is internally provided with a second shaft body 5 in a penetrating way, the top end of the inserting groove 3 is provided with a through hole in a penetrating way, and the top end of the second shaft body 5 in the first shaft body 4 penetrates out of the center seat 2 through the through hole. The inner side wall of the through hole is provided with a sealing member 17 for sealing the gap between the second shaft body 5 and the through hole, and preventing liquid from leaking through the gap. The bottom of the second shaft body 5 penetrates out of the first shaft body 4, the top end of the second shaft body 5 is fixedly connected with a stirring structure, a first driving wheel 11 is fixedly arranged on the outer side wall of the bottom end of the first shaft body 4, a second driving wheel 12 is fixedly arranged on the outer side wall of the bottom end of the second shaft body 5, the diameter of the first driving wheel 11 is larger than that of the second driving wheel 12, two third driving wheels 14 are fixedly arranged on the driving shaft 13, and the two third driving wheels 14 are respectively in transmission connection with the first driving wheel 11 and the second driving wheel 12 through two belts 15.

Specifically, the second shaft body 5 can move relative to the first shaft body 4, and under the arrangement of the first driving wheel 11 and the second driving wheel 12, the driving shaft 13 is driven to rotate by a motor, and the first driving wheel 11 and the second driving wheel 12 are respectively driven to rotate by two belts 15, so that the first shaft body 4 and the second shaft body 5 rotate. Due to the fact that the diameters of the first driving wheel 11 and the second driving wheel 12 are different, the rotating speeds of the first shaft body 4 and the second shaft body 5 are different, the second shaft body 5 rotates faster relative to the first shaft body 4, and therefore the stirring structure at the top end of the second shaft body 5 can rotate relative to the rotary drum body 1 (taking the rotary drum body 1 as a reference object), and the rotary stirring function of materials in the rotary drum body 1 is achieved.

The driving shaft 13 is driven to rotate by the motor, the second shaft body 5 is driven by the belt 15, the rotation force of the stirring structure is large, the stirring structure is not influenced by the blocking of materials in the rotary drum body 1, and stable stirring can be realized.

The top of center seat 2 has seted up the mounting groove, and the inside fixed mounting of mounting groove has bearing 16, and second axis body 5 wears to establish in the inside of bearing 16.

The inner ring of the bearing 16 is fixed to the second shaft body 5, the outer ring is fixed to the mounting groove, and stability of rotation of the second shaft body 5 on the center seat 2 is improved.

In one embodiment, the stirring structure comprises a connecting seat 6 fixedly connected to the top end of the second shaft body 5, a plurality of connecting rods 7 are fixedly connected to the side wall of the connecting seat 6, one end, far away from the connecting seat 6, of each connecting rod 7 is fixedly connected with an inclined scraping plate 8 which is vertically arranged, and one side, close to the inner wall of the rotary drum body 1, of the inclined scraping plate 8 is attached to the inner wall of the rotary drum body 1. A plurality of auxiliary stirring rods 9 are fixedly connected to the connecting rod 7.

Specifically, when the second shaft body 5 rotates, the connecting seat 6 synchronously rotates, the connecting rod 7 on the connecting seat 6 is connected with the inclined scraping plate 8 to rotate, the inclined scraping plate 8 is attached to the inner side wall of the rotary drum body 1 to scrape, materials attached to the inner side wall of the rotary drum body 1 can be scraped, leakage holes in the rotary drum body 1 are prevented from being blocked by the materials, liquid discharge is affected, and anti-blocking functions are realized. In addition, through setting up a plurality of vice stirring rod 9, can increase stirring effect of stirring structure, stir with oblique scraper blade 8 cooperation, realize fully stirring to the material.

In one embodiment, the number of the connecting rods 7 is at least two, and the connecting rods 7 are connected through the connecting ribs 10. By providing a plurality of connecting rods 7 and the accompanying structures thereon, the stirring frequency can be increased, and the liquid can be conveniently and rapidly discharged.

It should be noted that, the connection between each connecting rod 7 can be enhanced by the arrangement of the connecting ribs 10, so as to ensure the structural stability.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a stirring formula centrifuge rotary drum, includes rotary drum body (1), drive shaft (13) and fixed connection central seat (2) in rotary drum body (1) interior central point put, its characterized in that, the inside fixed mounting of central seat (2) has first axis body (4) of cavity setting, the bottom of first axis body (4) extends to the outside of rotary drum body (1), wear to be equipped with second axis body (5) in first axis body (4), the top of second axis body (5) wears to the outside of central seat (2), the bottom of second axis body (5) wears to the outside of first axis body (4), the top fixedly connected with stirring structure of second axis body (5), fixed mounting has second drive wheel (12) on the bottom lateral wall of first axis body (4), the diameter of first drive wheel (11) is greater than the diameter of second drive wheel (12), fixed mounting has two drive wheels (14) on drive shaft (13) to wear to the outside of first axis body (4), two drive wheels (14) are connected with third drive wheel (12) respectively.

2. The stirring centrifuge drum according to claim 1, wherein the interior of the center seat (2) is provided with a plugging groove (3), the first shaft body (4) is plugged into the plugging groove (3), the outer side wall of the first shaft body (4) is fixedly connected with a fixing seat (18), and the fixing seat (18) is connected with the center seat (2) through bolts.

3. A stirring centrifuge drum according to claim 2, characterized in that the top end of the insertion groove (3) is provided with a through hole in a penetrating way, the top end of the second shaft body (5) inside the first shaft body (4) penetrates out to the outside of the center seat (2) through the through hole, and the inner side wall of the through hole is provided with a sealing element (17).

4. A stirring centrifuge bowl according to claim 3, wherein the top end of the central seat (2) is provided with a mounting groove, a bearing (16) is fixedly mounted in the mounting groove, and the second shaft body (5) is arranged in the bearing (16) in a penetrating manner.

5. A stirring centrifuge drum according to any one of claims 1-4, characterized in that the stirring structure comprises a connecting seat (6) fixedly connected to the top end of the second shaft body (5), a plurality of connecting rods (7) are fixedly connected to the side wall of the connecting seat (6), one end, far away from the connecting seat (6), of each connecting rod (7) is fixedly connected with a vertically arranged inclined scraper (8), and one side, close to the inner wall of the drum body (1), of each inclined scraper (8) is attached to the inner wall of the drum body (1).

6. A stirred centrifuge bowl according to claim 5, wherein the connecting rod (7) is fixedly connected with a number of secondary stirring rods (9).

7. A stirring centrifuge bowl according to claim 5, wherein the number of the connecting rods (7) is at least two, and the connecting rods (7) are connected by means of connecting ribs (10).