CN220969505U - Centering discharge device for centrifugal machine - Google Patents
Centering discharge device for centrifugal machine Download PDFInfo
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- CN220969505U CN220969505U CN202322856350.5U CN202322856350U CN220969505U CN 220969505 U CN220969505 U CN 220969505U CN 202322856350 U CN202322856350 U CN 202322856350U CN 220969505 U CN220969505 U CN 220969505U
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- centering
- centrifugal machine
- centrifuge
- main shaft
- positioning sleeve
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- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
The utility model belongs to the technical field of centrifugal machine discharging, and particularly relates to a centering discharging device for a centrifugal machine, which comprises the following components: the connecting plate is arranged on the centrifuge supporting frame; 2 centering cylinders are hung below the connecting plate, and a positioning sleeve is arranged below a piston rod of each centering cylinder; the positioning sleeve is provided with a rolling bearing and an inner cone sleeve; the stop blocks are arranged on the centrifuge cover panel in 4 numbers; the lower end of the main shaft of the centrifugal machine is provided with a hollow shaft, and the hollow part of the main shaft of the centrifugal machine is provided with a core shaft; the lower end of the mandrel is connected with a discharge cover; the centering ring is sleeved at the upper end of the main shaft of the centrifugal machine; the outer ring of the centering ring is pressed with the inner taper sleeve, and 1 upper sheath is connected below the centering ring; the basket seat is connected with the bottom of the main shaft of the centrifugal machine; the basket seat is provided with a lower sheath. The utility model can solve the problems that the existing centering device and the existing discharging device of the centrifugal machine are independent systems, a group of cylinders are required to be additionally configured for operation, the structure is complex, the failure rate is high, and the equipment cost is increased, and has good market application prospect.
Description
Technical Field
The utility model belongs to the technical field of centrifugal machine discharging, and particularly relates to a centering discharging device for a centrifugal machine.
Background
The intermittent centrifugal machine is one kind of mechanical equipment for separating solid and liquid mixture. After the solid-liquid mixed material enters the centrifuge drum, the drum rotates at a high speed, the mother liquor is discharged out of the drum through the screen mesh and the liquid discharge holes under the action of the centrifugal force field, and the solid particles are trapped by the screen mesh, so that the solid-liquid separation is completed.
Because the centrifugal machine is in the low-speed operation unloading process, the rotary drum can swing slightly due to the resistance of the scraper, and in order to ensure that the scraper can thoroughly scrape and unload materials on the inner wall of the rotary drum, the intermittent centrifugal machine is required to be provided with a centering device on the main shaft. After centering, when the scraper is unloaded, the unloading cover at the bottom of the basket seat needs to be opened. The existing centering device and the discharging device of the centrifugal machine are independent systems, the discharging device can operate only by additionally configuring a group of cylinders, the structure is complex, the failure rate is high, and the equipment cost is increased. To this end, the application provides a centering discharge device for a centrifuge.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of utility model
The utility model aims to provide a centering discharging device for a centrifugal machine, which solves the problems that the existing centering device and the existing discharging device of the centrifugal machine are independent systems, a group of cylinders are required to be additionally arranged for operation, the structure is complex, the failure rate is high, and the equipment cost is increased.
In order to achieve the above object, the present utility model provides the following technical solutions:
A centering discharge device for a centrifuge, comprising:
The connecting plate is arranged on the centrifuge supporting frame; 2 centering cylinders are hung below the connecting plate, and a positioning sleeve is arranged below a piston rod of each centering cylinder; the positioning sleeve is provided with a rolling bearing and an inner cone sleeve;
the stop blocks are arranged on the centrifuge cover panel in 4 numbers; the stop block is matched and locked with the positioning sleeve;
the lower end of the main shaft of the centrifugal machine is provided with a hollow shaft, and the hollow part of the main shaft of the centrifugal machine is provided with a core shaft; the lower end of the mandrel is connected with a discharge cover;
The centering ring is sleeved at the upper end of the centrifuge main shaft and is in sliding fit with the centrifuge main shaft; the outer ring of the centering ring is in press fit with the inner cone sleeve, and 1 upper sheath is connected below the outer ring of the centering ring;
The basket seat is connected with the bottom of the main shaft of the centrifugal machine; the basket seat is provided with a lower sheath, and the upper sheath can slide in the lower sheath.
Preferably, an axial groove is formed in the main shaft of the centrifugal machine, and a cross beam is inserted into the axial groove; the beam passes through the upper end of the mandrel, and the lower part of the beam is in abutting connection with the spring disc; and a spring is arranged below the spring disc.
Preferably, the surface of the outer circle of the positioning sleeve, which is contacted with the stop block, is a plane.
Preferably, the centrifuge cover panel is also provided with an adjusting bolt and a locking screw.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The centering and discharging device for the centrifugal machine can realize the functions of centering the main shaft of the intermittent centrifugal machine and opening the discharging cover only by using one group of cylinders, and has the advantages of simple structure and low equipment cost.
(2) According to the centering discharging device for the centrifugal machine, the upper sheath and the lower sheath are arranged on the centrifugal machine main shaft, so that the centrifugal machine main shaft is protected, and the centrifugal machine main shaft can be prevented from being worn by scouring of materials.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the device of the present utility model installed above the cover panel of the centrifuge when the device is in the upper position;
FIG. 3 is a schematic view of the structure of the utility model mounted in the inner portion of the centrifuge bowl with the device in the upper position;
FIG. 4 is a schematic view of the structure of the present utility model mounted above the top panel of the centrifuge with the device in the lowered position;
FIG. 5 is a schematic view of the utility model mounted in the inner portion of a centrifuge bowl with the apparatus in a lower position;
FIG. 6 is a schematic view of the positioning sleeve and stop of the present utility model;
FIG. 7 is an enlarged schematic view of the A-direction of FIG. 6;
the main reference numerals illustrate:
1. A support frame; 2. a connecting plate; 3. a centering cylinder; 4. a positioning sleeve; 5. a rolling bearing; 6. an inner taper sleeve; 7. centering ring; 8. a cover panel; 9. a stop block; 10. an adjusting bolt; 11. a locking screw; 12. a centrifuge spindle; 13. a jacket is arranged; 14. a lower sheath; 15. an axial groove; 16. a cross beam; 17. a spring plate; 18. a spring; 19. a mandrel; 20. a basket base; 21. a rotating drum; 22. a discharge cover; 23. a scraper device.
Detailed Description
The following description of the embodiments of the present utility model will be apparent from the description of the embodiments of the present utility model, which is provided in part, but not in whole. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
In the description of the present utility model, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience of description and simplicity of description, only as to the orientation or positional relationship shown in the drawings, and not as an indication or suggestion that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be connected between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases to those skilled in the art.
Referring to fig. 1-7, a centering discharge device for a centrifuge, comprising:
The centrifugal machine comprises a connecting plate 2 arranged on a centrifugal machine supporting frame 1, two centering cylinders 3 suspended on the centrifugal machine connecting plate 2, a positioning sleeve 4, a rolling bearing 5 arranged on the positioning sleeve 4, an inner cone sleeve 6, four stop blocks 9 arranged on a centrifugal machine cover panel 8, an adjusting bolt 10 and a locking screw 11, a centering ring 7 arranged on a centrifugal machine main shaft 12, the centering ring 7 can axially slide on the centrifugal machine main shaft 12, an upper sheath 13 connected with the centering ring 7, a basket seat 20 connected with the centrifugal machine main shaft 12 and a lower sheath 14 connected with the basket seat 20. The surface of the outer circle of the positioning sleeve 4, which is contacted with the stop block 9, is a plane, and a one-way throttle valve and a pilot check valve are arranged on the centering cylinder 3. The upper sheath 13 is slidable within the lower sheath 14. The centrifuge spindle 12 is provided with an axial groove 15, and a cross member 16 is inserted into the axial groove 15, and the cross member 16 can move up and down in the axial groove 15. The beam 16 pushes the spring disc 17 to compress the spring 18. The lower end of the centrifuge main shaft 12 is a hollow shaft, a mandrel 19 is arranged at the hollow part, and the beam 16 passes through the upper end of the mandrel 19 and drives the mandrel 19 to move. The lower part of the mandrel 19 is connected with a discharge cover 22. The initial position (upper position) of the centering discharge device for a centrifuge according to the present invention is shown in fig. 2 and 3.
In the actual working process, when the rotating speed of the centrifuge drum 21 is 80rpm, the signal sensor sends out a centering instruction, and the centering discharging device for the centrifuge starts to work. The positioning sleeve 4, the centering bearing and the inner cone sleeve 6 are driven to move downwards by the driving of the piston rod of the centering cylinder 3, the positioning sleeve 4 is locked on the central axis of the main shaft 12 of the centrifugal machine under the action of the four stop blocks 9, and the inner cone sleeve 6 and the centering ring 7 are pressed together. The rolling bearing 5 and the inner cone 6 rotate together with the centering ring 7 on the centrifuge spindle 12, locking the centrifuge bowl 21 on the central axis of the centrifuge spindle 12 against deflection. The inner cone sleeve 6 moves downwards and simultaneously drives the centering ring 7, the upper sheath 13, the cross beam 16, the spring disc 17, the mandrel 19 and the discharge cover 22 to move downwards, and the discharge cover 22 is opened against the elastic force of the spring 18, so that the lower position is shown in figures 4 and 5. At this point the centrifuge scraper means 23 is activated and the material in the bowl 21 is discharged to the discharge channel in the basket 20.
After the unloading is finished, the signal sensor sends a centering return instruction, the piston rod of the centering cylinder 3 is contracted, the spring 18 returns to drive the spring disc 17, the cross beam 16, the mandrel 19, the unloading cover 22, the upper jacket 13 and the centering ring 7 to move upwards together, the unloading cover 22 is closed along the original route to return to the original position shown in fig. 2 and 3, and the inner cone sleeve 6 is separated from the centering ring 7, so that the centering function is released. According to the centering discharging device for the centrifugal machine, the distance between the centering discharging device and the central axis of the main shaft 12 of the centrifugal machine is adjusted and positioned by adjusting the adjusting bolts 10 and the locking screws 11 of the four stop blocks 9, so that the centering accuracy of the centering device is ensured; the upper sheath 13 and the lower sheath 14 protect the centrifuge main shaft 12, so that the centrifuge main shaft 12 can be prevented from being worn by scouring materials.
The centering discharging device for the centrifugal machine can realize the functions of centering the main shaft 12 of the intermittent centrifugal machine and opening the discharging cover 22 by using only one group of cylinders, has a simple structure and low equipment cost, solves the problems that the existing centering device and the discharging device of the centrifugal machine are independent systems and can only operate by additionally configuring one group of cylinders, has a high structural complexity failure rate and increases equipment cost, and is very practical and has good market application prospect.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (4)
1. A centering discharge apparatus for a centrifuge, comprising:
The connecting plate is arranged on the centrifuge supporting frame; 2 centering cylinders are hung below the connecting plate, and a positioning sleeve is arranged below a piston rod of each centering cylinder; the positioning sleeve is provided with a rolling bearing and an inner cone sleeve;
the stop blocks are arranged on the centrifuge cover panel in 4 numbers; the stop block is matched and locked with the positioning sleeve;
the lower end of the main shaft of the centrifugal machine is provided with a hollow shaft, and the hollow part of the main shaft of the centrifugal machine is provided with a core shaft; the lower end of the mandrel is connected with a discharge cover;
The centering ring is sleeved at the upper end of the centrifuge main shaft and is in sliding fit with the centrifuge main shaft; the outer ring of the centering ring is in press fit with the inner cone sleeve, and 1 upper sheath is connected below the outer ring of the centering ring;
The basket seat is connected with the bottom of the main shaft of the centrifugal machine; the basket seat is provided with a lower sheath, and the upper sheath can slide in the lower sheath.
2. The centering discharge device for a centrifuge according to claim 1, wherein an axial groove is provided on a spindle of the centrifuge, and a cross beam is inserted into the axial groove; the beam passes through the upper end of the mandrel, and the lower part of the beam is in abutting connection with the spring disc; and a spring is arranged below the spring disc.
3. The centering discharge device for a centrifuge according to claim 1, wherein a surface of the outer circumference of the positioning sleeve, which contacts the stopper, is a plane.
4. The centering and discharging device for a centrifuge according to claim 1, wherein the centrifuge cover panel is further provided with an adjusting bolt and a locking screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322856350.5U CN220969505U (en) | 2023-10-24 | 2023-10-24 | Centering discharge device for centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322856350.5U CN220969505U (en) | 2023-10-24 | 2023-10-24 | Centering discharge device for centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220969505U true CN220969505U (en) | 2024-05-17 |
Family
ID=91064065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322856350.5U Active CN220969505U (en) | 2023-10-24 | 2023-10-24 | Centering discharge device for centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220969505U (en) |
-
2023
- 2023-10-24 CN CN202322856350.5U patent/CN220969505U/en active Active
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