Centrifuge drum structure
By improving the structural design of the centrifuge drum, combined with the fixing mechanism and the limiting mechanism, the drum is easily disassembled and assembled and the filter bags are quickly replaced, solving the problem of cumbersome operation in the prior art and improving maintenance efficiency.
Patent Information
- Application Number
- CN202421537025.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing centrifuge drum is complicated to operate when disassembling and replacing filter bags, and requires tools and the fixing structure is complex, which affects maintenance efficiency.
The combined structure of the rotating drum seat, the rotating drum filter cartridge, the hanging cylinder and the filter bag is adopted, combined with the fixing mechanism and the limiting mechanism, the drum disassembly and assembly and the filter bag replacement are achieved through simple operation steps.
It simplifies the disassembly and assembly process of the rotating drum, facilitates quick replacement of filter bags, and improves maintenance efficiency and operation convenience.
Smart Images

Figure CN223144947U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of centrifuges, in particular to a centrifuge drum structure. Background Technique
[0002] A centrifuge is a machine that uses centrifugal force to drive the internal drum to rotate and separate the components in a mixture of liquid and solid particles or liquid and liquid. Centrifuges are mainly used to separate solid particles from a suspension; or to separate two immiscible liquids with different densities in an emulsion. There are still certain defects in the existing centrifuge drums during use, such as;
[0003] After the centrifuge is used, the drum needs to be disassembled for cleaning or maintenance. However, most of the existing centrifuge drums need to be separated from the centrifuge body with the help of tools, which is not convenient for disassembly and assembly. And after the centrifuge filters, the filter bag in the drum needs to be taken out to remove residues or replace it. However, the existing centrifuge drums are usually fixed by at least four groups of pins. When removing residues or replacing the filter bag, it is necessary to open or close them one by one, which is rather troublesome. Content of the Utility Model
[0004] The purpose of the utility model is to provide a centrifuge drum structure to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A centrifuge drum structure, comprising: a drum seat, a drum filter cylinder, a suspension cylinder and a filter bag;
[0006] The outer side of the drum seat is connected with the drum filter cylinder by screws. A suspension cylinder is arranged inside the drum filter cylinder, and a filter bag is arranged outside the suspension cylinder;
[0007] A fixing mechanism is arranged inside the drum seat. The upper surface of the drum filter cylinder is connected with a limiting mechanism. The suspension cylinder is arranged inside the limiting mechanism. The fixing mechanism includes: a jack, a column rod, a T-shaped groove, a T-shaped column, a handle, an arc groove, a tapered hole, a circular plate, a trapezoidal cavity, a plate, a limiting groove, a T-shaped through cavity, a first spring and a T-shaped rod. A jack is opened inside the drum seat, a column rod penetrates and slides inside the jack, a T-shaped groove is opened above the column rod, a T-shaped column is slidably connected inside the T-shaped groove, and a handle is connected to the upper surface of the T-shaped column.
[0008] Preferably, an arc groove is opened on one side of the jack, a tapered hole is opened on one side of the T-shaped groove, a circular plate is movably connected inside the tapered hole, the circular plate is clamped inside the arc groove, and the circular plate abuts against one side of the T-shaped column.
[0009] Preferably, a trapezoidal cavity is opened on one side of the T-shaped column close to the tapered hole, and the trapezoidal cavity is arranged above the tapered hole.
[0010] Preferably, a plate is fixedly connected to the upper surface of the column rod. A limiting groove is formed on one side of the T-shaped column close to the plate. A T-shaped through cavity is formed in the plate. A first spring is connected to the inner wall of the T-shaped through cavity. One side of the first spring is connected to a T-shaped rod. The T-shaped rod is slidably connected in the T-shaped through cavity and is engaged in the limiting groove.
[0011] Preferably, the limiting mechanism includes: a circular ring, a support ring, an annular groove, a card slot, a clamping plate, an annular plate, a guiding groove, a guiding rod, an L-shaped through groove, a pushing block, an inner T-shaped groove, a second spring and a blocking block. The upper surface of the rotary drum filter is connected with a circular ring by screws. The bottom of the circular ring is connected with a support ring. The suspension cylinder is slidably connected in the support ring.
[0012] Preferably, an annular groove is formed inside the circular ring. A card slot is formed on the outer side of the suspension cylinder. A clamping plate is engaged in the card slot. The clamping plate penetrates and slides on the inner wall of the annular groove.
[0013] Preferably, an annular plate is rotatably connected in the annular groove. A guiding groove is formed in the annular plate. A guiding rod is slidably connected in the guiding groove. The guiding rod is connected to the upper surface of the clamping plate.
[0014] Preferably, an L-shaped through groove is formed on the upper surface of the annular groove. A pushing block is slidably connected in the L-shaped through groove. The pushing block is connected to the upper surface of the annular plate. An inner T-shaped groove is formed on the back of the pushing block. A second spring is connected to the inner wall of the inner T-shaped groove. The rear part of the second spring is connected to a blocking block. The blocking block is slidably connected in the inner T-shaped groove and is engaged in the L-shaped through groove.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: By installing the column rod in the centrifuge body, then pushing the T-shaped rod downward to push the lifting handle to one side, inserting the rotary drum seat onto the column rod, and then pushing the T-shaped rod again and pulling the lifting handle to reset, the rotary drum seat is fixed, thereby facilitating the disassembly and assembly of the centrifuge drum. By pressing the blocking block and pushing the pushing block to retract the clamping plate into the circular ring, inserting the suspension cylinder into the support ring, and then rotating the pushing block to reset, driving the clamping plate to extend into the card slot to fix the suspension cylinder and prevent the annular plate from rotating, thereby facilitating the replacement of the filter bag inside the centrifuge drum. The specific content is as follows:
[0016] 1. By installing the column rod inside the centrifuge body, then pushing the T-shaped rod to one side to retract it into the T-shaped through cavity, then pushing down the handle to align the trapezoidal cavity with the conical hole, inserting the drum seat onto the column rod, then pushing the T-shaped rod again and pulling the handle to drive the trapezoidal cavity to push the round plate into the arc-shaped groove, and using the T-shaped column to block the conical hole, then releasing the T-shaped rod, the first spring will push the T-shaped rod into the limit groove to fix the drum seat on the column rod, thus facilitating the disassembly and assembly of the centrifuge drum.
[0017] 2. By pressing the stopper to retract it into the inner T-groove, then pushing the push block to drive the annular plate to rotate, driving the guide rod to slide in the guide groove, retracting the clamping plate into the ring, then aligning the card slot with the clamping plate, and inserting the suspension cylinder into the support ring, then rotating the push block back to its original position to drive the clamping plate to extend into the card slot, and at the same time the second spring pushes the stopper to engage in the L-shaped through groove, thus facilitating the replacement of the filter bag inside the centrifuge drum. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic cross-sectional front view structure diagram of the drum filter cartridge of the present utility model;
[0019] Figure 2 It is a schematic cross-sectional front view structure diagram of the jack of the present utility model;
[0020] Figure 3 It is a three-dimensional structure diagram of the guide rod of the present utility model;
[0021] Figure 4 It is a three-dimensional structure diagram of the guide groove of the present utility model;
[0022] Figure 5 It is a schematic front view structure diagram of the present utility model;
[0023] Figure 6 It is a schematic top view structure diagram of the present utility model;
[0024] Figure 7 It is an enlarged view of the structure of part A of the present utility model;
[0025] Figure 8 It is an enlarged view of the structure of part B of the present utility model;
[0026] Figure 9 It is an enlarged view of the structure of part C of the present utility model.
[0027] In the figure: 1, drum seat; 2, drum filter cartridge; 3, suspension cylinder; 4, filter bag; 5, fixing mechanism; 501, jack; 502, column rod; 503, T-shaped groove; 504, T-shaped column; 505, handle; 506, arc groove; 507, tapered hole; 508, round plate; 509, trapezoidal cavity; 510, plate; 511, limit groove; 512, T-shaped through cavity; 513, first spring; 514, T-shaped rod; 6, limiting mechanism; 601, ring; 602, support ring; 603, annular groove; 604, clamping groove; 605, clamping plate; 606, annular plate; 607, guiding groove; 608, guiding rod; 609, L-shaped through groove; 610, pushing block; 611, inner T-groove; 612, second spring; 613, stop block. Detailed implementation manners
[0028] The technical solutions 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0029] Please refer to Figure 1 , Figure 2 , Figure 6 and Figure 7 , the present invention provides a technical solution: a centrifuge drum structure, including: a drum seat 1, a drum filter cartridge 2, a suspension cylinder 3 and a filter bag 4;
[0030] The outer side of the drum seat 1 is connected with the drum filter cartridge 2 by screws. A suspension cylinder 3 is arranged inside the drum filter cartridge 2, and a filter bag 4 is arranged on the outer side of the suspension cylinder 3. A fixing mechanism 5 is arranged inside the drum seat 1, and a limiting mechanism 6 is connected to the upper surface of the drum filter cartridge 2. The suspension cylinder 3 is arranged inside the limiting mechanism 6. The fixing mechanism 5 includes: a jack 501, a column rod 502, a T-shaped groove 503, a T-shaped column 504, a handle 505, an arc groove 506, a tapered hole 507, a round plate 508, a trapezoidal cavity 509, a plate 510, a limit groove 511, a T-shaped through cavity 512, a first spring 513 and a T-shaped rod 514. A jack 501 is opened inside the drum seat 1, a column rod 502 is slidably penetrated inside the jack 501, a T-shaped groove 503 is opened above the column rod 502, a T-shaped column 504 is slidably connected inside the T-shaped groove 503, and a handle 505 is connected to the upper surface of the T-shaped column 504.
[0031] An arc-shaped groove 506 is provided on one side of the jack 501, and a tapered hole 507 is provided on one side of the T-shaped groove 503. A round plate 508 is movably connected in the tapered hole 507. The round plate 508 is engaged in the arc-shaped groove 506 and abuts against one side of the T-shaped column 504. A trapezoidal cavity 509 is provided on one side of the T-shaped column 504 close to the tapered hole 507. The trapezoidal cavity 509 is arranged above the tapered hole 507. A plate 510 is fixedly connected to the upper surface of the column rod 502. A limit groove 511 is provided on one side of the T-shaped column 504 close to the plate 510. A T-shaped through cavity 512 is provided in the plate 510. A first spring 513 is connected to the inner wall of the T-shaped through cavity 512. One side of the first spring 513 is connected to a T-shaped rod 514. The T-shaped rod 514 is slidably connected in the T-shaped through cavity 512 and is engaged in the limit groove 511.
[0032] During specific implementation, the column rod 502 is installed in the centrifuge body. Then, the T-shaped rod 514 is pushed to one side to be pulled out from the limit groove 511 and retracted into the T-shaped through cavity 512, squeezing the first spring 513. Then, the handle 505 is pushed downward to drive the T-shaped column 504 to slide in the T-shaped groove 503, aligning the trapezoidal cavity 509 with the tapered hole 507. The drum seat 1 is inserted onto the column rod 502, and the column rod 502 extends into the jack 501, aligning the tapered hole 507 with the arc-shaped groove 506. Then, the T-shaped rod 514 is pushed again and the handle 505 is pulled to drive the trapezoidal cavity 509 to push the round plate 508 into the arc-shaped groove 506 and block the tapered hole 507 with the T-shaped column 504. Then, the T-shaped rod 514 is released, and the first spring 513 pushes the T-shaped rod 514 into the limit groove 511 to fix the drum seat 1 on the column rod 502, facilitating the disassembly and assembly of the centrifuge drum.
[0033] Refer to Figure 1 、 Figures 3 - 6 、 Figure 8 and Figure 9It can be seen that the limiting mechanism 6 includes: a circular ring 601, a support ring 602, an annular groove 603, a clamping groove 604, a clamping plate 605, an annular plate 606, a guiding groove 607, a guiding rod 608, an L-shaped through groove 609, a pushing block 610, an inner T-shaped groove 611, a second spring 612 and a stopper 613. The upper surface of the rotary drum filter cartridge 2 is connected with the circular ring 601 by screws. The bottom of the circular ring 601 is connected with the support ring 602. The suspension cylinder 3 is slidably connected inside the support ring 602. An annular groove 603 is formed inside the circular ring 601. A clamping groove 604 is formed on the outer side of the suspension cylinder 3. A clamping plate 605 is clamped inside the clamping groove 604. The clamping plate 605 penetrates and slides on the inner wall of the annular groove 603. An annular plate 606 is rotatably connected inside the annular groove 603. A guiding groove 607 is formed inside the annular plate 606. A guiding rod 608 is slidably connected inside the guiding groove 607. The guiding rod 608 is connected to the upper surface of the clamping plate 605. An L-shaped through groove 609 is formed on the upper surface of the annular groove 603. A pushing block 610 is slidably connected inside the L-shaped through groove 609. The pushing block 610 is connected to the upper surface of the annular plate 606. An inner T-shaped groove 611 is formed on the back of the pushing block 610. A second spring 612 is connected to the inner wall of the inner T-shaped groove 611. The rear part of the second spring 612 is connected with a stopper 613. The stopper 613 is slidably connected inside the inner T-shaped groove 611, and the stopper 613 is clamped inside the L-shaped through groove 609.
[0034] During specific implementation, press the stopper 613 into the inner T-shaped groove 611 to compress the second spring 612. Then push the pushing block 610 to drive the annular plate 606 to slide inside the annular groove 603, drive the guiding rod 608 to slide inside the guiding groove 607, retract the clamping plate 605 into the circular ring 601. Then align the clamping groove 604 with the clamping plate 605, place the filter bag 4 into the rotary drum filter cartridge 2, insert the suspension cylinder 3 into the support ring 602. Then rotate the pushing block 610 to reset it, drive the clamping plate 605 to extend into the clamping groove 604 to fix the suspension cylinder 3. At the same time, the second spring 612 pushes the stopper 613 to be clamped inside the L-shaped through groove 609 to prevent the annular plate 606 from rotating, so as to facilitate the replacement of the filter bag 4 inside the centrifuge drum.
[0035] In summary, when using the centrifuge drum structure, first, install the column rod 502 inside the centrifuge body, then install the drum seat 1 on the column rod 502, install the filter bag 4 outside the suspension cylinder 3 with a hoop, then press the stop block 613 and rotate the push block 610 to one side, put the filter bag 4 into the drum filter cylinder 2, insert the suspension cylinder 3 into the support ring 602, and rotate the push block 610 back to its original position. Add the solid-liquid mixture to be separated into the centrifuge drum. The column rod 502 drives the centrifuge drum to rotate, sprinkle the solid-liquid mixture on the filter bag 4, and the centrifugal force filters the liquid in the solid-liquid mixture out of the filter bag 4, discharges it from the holes in the drum filter cylinder 2, and flows out through the pipeline of the centrifuge. The remaining solid residue remains in the filter bag 4. Open the centrifuge, press and rotate the push block 610, then lift out the suspension cylinder 3 and the filter bag 4 with a hanger to clean the filter bag 4. If it is necessary to clean or maintain the drum filter cylinder 2, push the T-shaped rod 514 to one side and press down the handle 505, then lift out the ring 601, the drum filter cylinder 2 and the drum seat 1 with a hanger for cleaning, then reinsert them on the column rod 502, and again push the T-shaped rod 514 to one side to pull the handle 505 back to its original position and reinstall the drum in the centrifuge. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.
[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A centrifuge drum structure, comprising: Drum seat (1), drum filter cartridge (2), suspension cylinder (3) and filter bag (4), It is characterized in that; The outer side of the drum seat (1) is connected with a drum filter cartridge (2) by screws. A suspension cylinder (3) is arranged inside the drum filter cartridge (2), and a filter bag (4) is arranged outside the suspension cylinder (3); A fixing mechanism (5) is arranged inside the drum seat (1). The upper surface of the drum filter cartridge (2) is connected with a limiting mechanism (6). The suspension cylinder (3) is arranged inside the limiting mechanism (6). The fixing mechanism (5) includes: jack (501), column rod (502), T-shaped groove (503), T-shaped column (504), handle (505), arc groove (506), tapered hole (507), round plate (508), trapezoidal cavity (509), plate (510), limiting groove (511), T-shaped through cavity (512), first spring (513) and T-shaped rod (514). A jack (501) is opened inside the drum seat (1). A column rod (502) is slidably penetrated inside the jack (501). A T-shaped groove (503) is opened above the column rod (502). A T-shaped column (504) is slidably connected inside the T-shaped groove (503). The upper surface of the T-shaped column (504) is connected with a handle (505).
2. The centrifuge drum structure according to claim 1, characterized in that: An arc groove (506) is opened on one side of the jack (501). A tapered hole (507) is opened on one side of the T-shaped groove (503). A round plate (508) is movably connected inside the tapered hole (507). The round plate (508) is clamped inside the arc groove (506), and the round plate (508) abuts against one side of the T-shaped column (504).
3. The centrifuge drum structure according to claim 2, characterized in that: A trapezoidal cavity (509) is opened on one side of the T-shaped column (504) close to the tapered hole (507). The trapezoidal cavity (509) is arranged above the tapered hole (507).
4. A centrifuge drum structure according to claim 1, characterized in that: The upper surface of the column rod (502) is fixedly connected with a plate (510). A limiting groove (511) is opened on one side of the T-shaped column (504) close to the plate (510). A T-shaped through cavity (512) is opened inside the plate (510). A first spring (513) is connected to the inner wall of the T-shaped through cavity (512). One side of the first spring (513) is connected with a T-shaped rod (514). The T-shaped rod (514) is slidably connected inside the T-shaped through cavity (512), and the T-shaped rod (514) is clamped inside the limiting groove (511).
5. A centrifuge drum structure according to claim 1, characterized in that: The limiting mechanism (6) includes: ring (601), support ring (602), annular groove (603), clamping groove (604), clamping plate (605), annular plate (606), guiding groove (607), guiding rod (608), L-shaped through groove (609), pushing block (610), inner T-shaped groove (611), second spring (612) and stop block (613). The upper surface of the drum filter cartridge (2) is connected with a ring (601) by screws. The bottom of the ring (601) is connected with a support ring (602). The suspension cylinder (3) is slidably connected inside the support ring (602).
6. The centrifuge drum structure according to claim 5, characterized in that: An annular groove (603) is formed inside the annular ring (601). A clamping groove (604) is formed on the outer side of the suspension cylinder (3). A clamping plate (605) is clamped in the clamping groove (604). The clamping plate (605) penetrates and slides on the inner wall of the annular groove (603).
7. A centrifuge drum structure according to claim 6, characterized in that: An annular plate (606) is rotatably connected in the annular groove (603). A guiding groove (607) is formed in the annular plate (606). A guiding rod (608) is slidably connected in the guiding groove (607). The guiding rod (608) is connected to the upper surface of the clamping plate (605).
8. A centrifuge drum structure according to claim 7, characterized in that: An L-shaped through groove (609) is formed on the upper surface of the annular groove (603). A pushing block (610) is slidably connected in the L-shaped through groove (609). The pushing block (610) is connected to the upper surface of the annular plate (606). An inner T-shaped groove (611) is formed on the back of the pushing block (610). A second spring (612) is connected to the inner wall of the inner T-shaped groove (611). A stop block (613) is connected to the rear of the second spring (612). The stop block (613) is slidably connected in the inner T-shaped groove (611). The stop block (613) is clamped in the L-shaped through groove (609).