CN210449552U

CN210449552U - Bag turning centrifugal machine

Info

Publication number: CN210449552U
Application number: CN201921026013.0U
Authority: CN
Inventors: 马爱忠; 朱宇迪; 王雪; 章立; 江亚峰
Original assignee: Zhangjiagang City Yong Da Machinery Co ltd
Current assignee: Zhangjiagang City Yong Da Machinery Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-05-05
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to a bag centrifuge turns over, which comprises a frame, vertical being connected with a baffle in the frame, one side of baffle is rotated and is connected with the rotary drum, fixedly connected with drive rotary drum pivoted rotary driving mechanism and the pushing equipment that is used for unloading in the frame of opposite side, be provided with the filter bag in the rotary drum, the inside scraper that is provided with of rotary drum, the scraper can be under the drive of scraper pneumatic cylinder along rotary drum axial round trip movement with the material on the filter bag inner wall that turns, avoid the material to bond the caking, thereby carry out the not hard up state that keeps solid material among the solid-liquid separation process at the material, push away the material smoothly.

Description

Bag turning centrifugal machine

The technical field is as follows:

the utility model belongs to the technical field of solid-liquid separation, in particular to bag centrifuge that turns over that can scrape material.

Background art:

with the implementation of pharmaceutical production regulations such as GMP and FDA, the production requirements of the pharmaceutical industry become more and more strict. The bag-turning type centrifuge is widely concerned and applied due to the advantages of closed operation, complete discharge and the like. However, for fine and dense materials with large viscosity, the existing bag-turning type centrifuge structure has the phenomenon that the materials are coagulated into a whole block after centrifugal drying and have large hardness in actual production. When the material pushing shaft and the material pushing disc are unloaded, the material pushing shaft and the material pushing disc can be subjected to a large force instantly, deformation is easy to generate, and unloading is difficult to realize. In recent years, a plurality of novel bag-turning centrifuges have appeared for improving the working performance of the bag-turning centrifuges.

The invention patent document with the application number of '200610053844.8' discloses a structure for realizing the axial moving process of a bag-turning centrifuge material pushing shaft by using a friction clutch and a screw shaft and a moving shaft, and the structure has the following defects: when the thread transmission is used for transmitting large load, the abrasion of the thread is serious; the complexity of the whole structure is high, and the cost is high.

The invention patent document with the application number of '201710181543.1' discloses a bag turning structure which realizes hydraulic pushing by using a rotary joint and taking a blind hole of a pushing shaft as a hydraulic cylinder. The disadvantages of this structure are: the direct contact of the material pushing shaft and the hydraulic oil can affect the product, and the rigidity and the strength of the material pushing shaft are reduced; in addition, if the material has smaller grains, the material may be coagulated during centrifugation to form larger masses, so that the pushed material pushing shaft is deformed.

From the prior patent, the existing centrifugal machine can not solve the problem of coagulation of fine materials well, and when the large hard material block is pushed, the operation of the pushing shaft is not stable. To these problems, this patent proposes a novel bag-turning type centrifuge, can solve because of the material condenses the problem that is difficult to unload.

The utility model has the following contents:

the utility model discloses the technical problem that will solve is: the bag-turning centrifugal machine capable of avoiding the caking phenomenon of fine and high-viscosity materials is provided.

In order to solve the technical problem, the utility model discloses a technical scheme is: the bag-turning centrifuge comprises a frame, wherein a baffle is vertically connected to the frame, one side of the baffle is rotatably connected with a rotary drum, a rotary driving mechanism for driving the rotary drum to rotate and a material pushing mechanism for discharging are fixedly connected to the frame on the other side, and a filter bag is arranged in the rotary drum;

the rotary driving mechanism comprises an outer shaft and a motor, the outer shaft is rotatably connected to the rack through a bearing seat, the motor is used for driving the outer shaft to rotate, and one end of the outer shaft penetrates through the baffle plate and is fixedly connected with the rotary drum;

the pushing mechanism comprises an inner shaft concentrically arranged in an outer shaft, one end of the inner shaft 601, close to the rotary drum, penetrates through the outer shaft, is inserted into the rotary drum and is fixedly connected with a pushing disc, the pushing disc is circular, the outer diameter of the pushing disc is smaller than the inner diameter of the rotary drum, a plurality of pushing disc connecting shafts parallel to the axial direction of the rotary drum are uniformly distributed on the periphery of one face of the pushing disc, back to the outer shaft, the ends, away from the pushing disc, of the pushing disc connecting shafts are jointly connected with a sealing cover, the periphery of the pushing disc is fixedly connected with the bottom of a filter bag, the opening of the filter bag is fixedly connected with the opening of the rotary drum, when the pushing disc moves to the bottom of the rotary drum, the sealing cover is connected with the opening of the rotary drum in a sealing mode;

one side of the baffle is fixedly connected with a rotary drum cover covering the rotary drum, one end of the rotary drum cover, far away from the baffle, is connected with a discharge cover, one end of the discharge cover, far away from the rotary drum cover, is fixedly connected with a feeding pipe, and the feeding pipe sequentially penetrates through the discharge cover and the sealing cover along the central shaft of the rotary drum and is inserted into the rotary drum;

the two side walls of the discharging cover are symmetrically provided with a sliding chute extending along the axial direction of the rotary drum, a material port sleeve and a moving disc are sleeved on a feeding pipe positioned in the discharging cover, two opposite sides of the material port sleeve are respectively connected with a moving connecting rod extending outwards along the radial direction of the material port sleeve, the two moving connecting rods penetrate through the sliding chute and extend out of the discharging cover in a one-to-one correspondence manner, two scraper hydraulic cylinders symmetrically arranged at two sides of the rotary drum cover are fixedly connected onto the baffle plate, piston rods of the two scraper hydraulic cylinders are respectively connected with the two moving connecting rods in a one-to-one correspondence manner, the moving disc is positioned between the material port sleeve and the sealing cover, the moving disc comprises an annular main disc, two sides of the main disc are respectively provided with an inwards concave retaining ring, a left cover disc and a right cover disc are respectively embedded into the retaining rings at two sides of the main disc, the left cover disc and the right cover disc are mutually connected through bolts, the feed port cover is fixedly connected with the left cover plate and the right cover plate through two feed port cover connecting rods, a plurality of moving plate connecting rods extending to the feed pushing plate are evenly distributed on the main body plate in the circumferential direction, through holes in one-to-one correspondence with the moving plate connecting rods are formed in the sealing cover, the moving plate connecting rods penetrate through the corresponding through holes to be inserted into the rotary drum, one scraper is fixedly connected onto any moving plate connecting rod, and a gap is reserved between the scraper and the inner wall of the filter bag in the rotary drum.

As a preferred scheme, any scraper consists of a scraper head and a scraper connecting plate which are connected with each other, the scraper connecting plate is fixedly connected with the movable plate connecting rod, and each scraper connecting plate is also sleeved on one material pushing plate connecting shaft in a sliding manner.

As a preferred scheme, the rotating mechanism is a combined thrust bearing, the linear thrust device is a pushing hydraulic cylinder, and the rotating mechanism is connected with the front end of a piston rod of the linear thrust device through a connecting sleeve.

As a preferred scheme, an axially extending spline groove is formed in the outer wall of the inner shaft, a spline shaft sleeve is fixedly connected to the end part, away from the rotary drum, of the outer shaft, and a spline in the spline shaft sleeve is embedded with the spline groove in the inner shaft

The utility model has the advantages that: due to the fact that the scraper is arranged in the rotary drum, the scraper can be pushed by the scraper hydraulic cylinder to axially reciprocate in the rotary drum during high-speed operation of the rotary drum, so that materials on the inner wall of the filter bag are loosened and cannot be coagulated into blocks, and the phenomenon that the materials are hardened and difficult to remove is effectively avoided.

The utility model discloses further cup joint every scraper connecting plate slip on a pushing away charging tray connecting axle to ensure scraper and rotary drum synchronous rotation, and can regard as the direction with pushing away the charging tray connecting axle when scraper axial displacement, make the scraper remove more steadily.

The utility model further adopts the combined thrust bearing as the rotating mechanism, adopts the pushing hydraulic cylinder as the linear thrust device, and adopts a connecting sleeve to connect the rotating mechanism and the linear thrust device, thereby effectively improving the stability when unloading materials; in addition, the structure also reduces friction and prolongs the service life of the material pushing shaft.

Description of the drawings:

the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic view of the overall structure of the bag-turning centrifuge of the present invention;

FIG. 2 is a schematic view of the assembly of the doctor mechanism with the drum;

FIG. 3 is a schematic view of the assembly of the scraper mechanism with the feed tube;

FIG. 4 is an exploded view of the structure of the mobile plate;

FIG. 5 is a schematic view of the mounting structure of the doctor blade;

FIG. 6 is an overall relationship diagram of the inner and outer shafts;

FIG. 7 is a schematic view of the connection structure between the inner shaft and the outer shaft;

FIG. 8 is a schematic view of the connection structure of the inner shaft and the outer shaft;

FIG. 9 is an exploded view of the inner shaft to outer shaft connection;

fig. 10 is a schematic view of the connection structure of the inner shaft and the material pushing disc.

In fig. 1 to 10: 1. a chute, 2, a feed pipe, 301, a left cover disc, 302, a main body disc, 303, a right cover disc, 304, a rolling body, 305, a retaining ring, 306, a moving disc connecting rod, 311, a material port sleeve, 312, a moving connecting rod, 313, a first connecting sleeve, 314, a scraper hydraulic cylinder, 315, a hydraulic cylinder bracket, 316, a moving disc, 317, a material port sleeve connecting rod, 320, a scraper, 321, a scraper head, 322, a scraper connecting plate, 4, a rotary drum, 5, a rotary driving mechanism, 501, a motor, 502, a driving pulley, 503, a V belt, 504, a driven pulley, 6, a pushing mechanism, 601, an inner shaft, 602, a pushing disc, 603, an outer shaft, 604, a spline shaft sleeve, 605, 606, a second connecting sleeve, 607, a linear thrust device, 608, a first oil pipe, 609, a second oil pipe, 610, a hydraulic cylinder mounting support, 611, a first bearing, 612, a second bearing, 613, a bearing seat, 7. the device comprises a machine frame, 701, a shafting support bracket, 702, a bottom bracket, 703, a damping shock absorber, 8, a pushing disc connecting shaft, 9, a baffle, 10, a filter bag, 100, a sealing cover, 101, a discharging cover, 102, a liquid collecting tank, 103, a rotary drum cover, 104 and an outer cover.

The specific implementation mode is as follows:

the following describes in detail a specific embodiment of the present invention with reference to the drawings.

In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

The meaning of "left and right" in the present invention means that when the reader is facing the drawings, the left side of the reader is left, and the right side of the reader is right, rather than the specific limitation of the bag-turning centrifuge of the present invention.

The term "connected" as used herein may mean either a direct connection between elements or an indirect connection between elements through other elements.

The terms "first," "second," "third," and the like (if any) in this disclosure are used to distinguish between similar elements and not necessarily to describe a particular order or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the implementations of the subject matter described herein are, for example, capable of operation in other sequences than those illustrated or otherwise described herein.

The bag-turning centrifuge shown in fig. 1 comprises a frame 7, a baffle 9 is vertically connected to the frame 7, a rotary drum 4 is rotatably connected to one side of the baffle 9, a rotary driving mechanism 5 for driving the rotary drum 4 to rotate and a material pushing mechanism 6 for discharging are fixedly connected to the frame 7 on the other side, and a filter bag 10 is arranged in the rotary drum 4.

Referring to fig. 1, 6 and 7, the rotary driving mechanism 5 includes an outer shaft 603 rotatably connected to the frame 7 through a bearing housing 613 and a motor 501 for driving the outer shaft 603 to rotate, one end of the outer shaft 603 passes through the baffle 9 and is fixedly connected to the drum 4, a driven pulley 504 is fixedly connected to the outer shaft 603 through a flat key, a driving pulley 502 is fixedly connected to an output shaft of the motor 501, the driving pulley 502 and the driven pulley 504 are in transmission connection through a V-belt 503, the outer shaft 603 is rotatably connected to the bearing housing 613 through a first bearing 611 and a second bearing 612, as shown in fig. 7, the bearing housing 613 is formed by combining a bearing housing upper part 614 and a bearing housing lower part 615.

As shown in fig. 1, the frame 7 includes a bottom bracket 702 and a shafting support bracket 701 disposed on the bottom bracket 702, and as shown in fig. 6, the bearing block 613 is fixedly connected to the shafting support bracket 701.

As shown in fig. 1, 2, 6 and 7, the pushing mechanism 6 includes an inner shaft 601 concentrically disposed in an outer shaft 603, as shown in fig. 10, one end of the inner shaft 601 near the drum 4 is inserted into the drum 4 through the outer shaft 603 and is fixedly connected with a pushing tray 602, the pushing tray 602 is circular, the outer diameter is smaller than the inner diameter of the drum 4, twelve pushing tray connecting shafts 8 parallel to the axial direction of the drum 4 are uniformly distributed on a circumference of a surface of the pushing tray 602 facing away from the outer shaft 603, one end of the twelve pushing tray connecting shafts 8 away from the pushing tray 602 is commonly connected with a sealing cover 100, as shown in fig. 6, the periphery of the pushing tray 602 is fixedly connected with the bottom of the filter bag 10, the mouth of the filter bag 10 is fixedly connected with the mouth of the drum 4, when the pushing tray 602 moves to the bottom of the drum 4, the sealing cover 100 is sealingly connected with the mouth of the drum 4, as shown, the end part of one end of the outer shaft 603 far away from the rotary drum 4 is fixedly connected with a spline shaft sleeve 604, the spline inside the spline shaft sleeve 604 is embedded with the spline groove on the inner shaft 601, the spline shaft sleeve 604 ensures the synchronous rotation of the material pushing shaft 602 and the outer shaft 603, as shown in fig. 6, one end of the inner shaft 601 far away from the rotary drum 4 is in transmission connection with a linear thrust device 607 through a rotating mechanism 605, and the linear thrust device 607 pushes the inner shaft 601 to move back and forth along the axial direction of the outer shaft 603; the rotating mechanism 605 is a combined thrust bearing, the linear thrust device 607 is a pushing hydraulic cylinder, the rotating mechanism 605 is connected with the front end of a piston rod of the linear thrust device 607 through a second connecting sleeve 606, and the linear thrust device 607 is fixedly connected to the shafting support bracket 701 through a hydraulic cylinder installation and manufacturing 610.

As shown in fig. 1, a drum cover 103 covering the drum 4 is fixedly connected to one side of the baffle 9, a liquid collecting tank 102 for collecting filtrate is connected to the bottom of the drum cover 103, a discharging cover 101 is connected to one end of the drum cover 103 away from the baffle 9, the lower end of the discharging cover 101 is open for discharging, a feeding pipe 2 is fixedly connected to one end of the discharging cover 101 away from the drum cover 103, and the feeding pipe 2 sequentially penetrates through the discharging cover 101 and the sealing cover 100 along the central axis of the drum 4 and is inserted into the drum 4;

as shown in fig. 1, two sliding chutes 1 extending axially along the rotary drum 4 are symmetrically disposed on two side walls of the discharging cover 101, and referring to fig. 1 to 3, a material inlet pipe 2 located in the discharging cover 101 is sleeved with a material inlet sleeve 311 and a moving plate 316, two opposite sides of the material inlet sleeve 311 are respectively connected with a moving connecting rod 312 extending radially outward therefrom, the two moving connecting rods 312 penetrate through the sliding chutes 1 and extend out of the discharging cover 101 one by one, two scraper hydraulic cylinders 314 symmetrically disposed on two sides of the rotary drum cover 103 are fixedly connected to the baffle plate 9, the two scraper hydraulic cylinders 314 are respectively fixedly connected to the baffle plate 9 through hydraulic cylinder brackets 315, piston rods of the two scraper hydraulic cylinders 314 are respectively connected to the two moving connecting rods 312 through first connecting sleeves 313 one by one to one, the moving plate 316 is located between the material inlet sleeve 311 and the sealing cover 100, as shown in fig. 4, the moving plate 316 includes an annular main body plate 302, the two sides of the main body disc 302 are respectively provided with an inwards concave retaining ring 305, the retaining rings 305 on the two sides of the main body disc 302 are respectively embedded with a left cover disc 301 and a right cover disc 303, the left cover disc 301 and the right cover disc 303 are mutually connected through bolts, the left cover disc 301 and the right cover disc 303 are respectively in rolling connection with the main body disc 302 through rolling bodies 304 in the retaining rings 305, the rolling bodies 304 are embedded in grooves in the retaining rings 305, the material port sleeve 311 is fixedly connected with the left cover disc 301 and the right cover disc 303 through two material port sleeve connecting rods 317, and the two material port sleeve connecting rods 317 penetrate through the left cover disc 301 and the right cover disc 303 and are locked through nuts.

The moving plate 316 has the advantage of ensuring that the main body plate 302 can rotate along with the rotary drum 4 and the inner scraper 320 can move axially without damaging the closed environment of the rotary drum.

As shown in fig. 3, a plurality of moving plate connecting rods 306 extending to the pushing plate 602 are uniformly distributed on the main body plate 302 in the circumferential direction, through holes corresponding to the moving plate connecting rods 306 one to one are formed in the sealing cover 100, the moving plate connecting rods 306 penetrate through the corresponding through holes and are inserted into the rotary drum 4, a scraper 320 is fixedly connected to any one of the moving plate connecting rods 306, and a gap is formed between the scraper 320 and the inner wall of the filter bag 10 in the rotary drum 4.

As shown in fig. 5, any one of the scrapers 320 is composed of a scraper head 321 and a scraper connecting plate 322 connected with each other, the scraper connecting plate 322 is fixedly connected with the moving tray connecting rod 306, and each scraper connecting plate 322 is also sleeved on one material pushing tray connecting shaft 8 in a sliding manner.

In this embodiment, as shown in fig. 1, a cover 104 for covering the motor driving mechanism 5 and the material pushing mechanism 6 is further connected to the frame for protecting the motor driving mechanism 5 and the material pushing mechanism 6 and preventing dust.

In this embodiment, as shown in fig. 1, four damping shock absorbers 703 are mounted on the bottom of the bottom bracket 702 through bolts, and the damping shock absorbers 703 achieve a shock absorbing effect on the whole machine.

The utility model discloses a working process is: starting the motor 501, the motor 501 drives the driven pulley 504 to rotate through the V-belt 503, the driven pulley 504 drives the outer shaft 603 to rotate, the outer shaft 603 drives the rotary drum 4, the inner shaft 601 and the material pushing tray 602 to rotate synchronously, then controlling the first oil pipe 608 of the linear thrust device 607 to feed oil, the second oil pipe 609 to drain oil (as shown in fig. 7), the piston rod of the linear thrust device 607 drives the inner shaft 601 to move towards the right side, the inner shaft 601 drives the material pushing tray 602 and the sealing cover 100 to move to the left, the sealing cover 100 is hermetically connected with the mouth of the rotary drum 4, then feeding the material into the rotary drum 4 through the feeding pipe 2, the rotary drum rotates at a high speed to separate solid and liquid, the liquid is thrown onto the rotary drum cover 103 through the rotary drum 4 and flows downwards into the liquid collecting pipe 102, the solid material starts to stick to the inner wall of the filter bag 10, the six moving tray connecting rods 306 inserted into the sealing cover 100 also rotate, the main body disk 302 connected to the other end of the movable disk connecting rod 306 is also rotated synchronously with the rotary drum 4, the main body disk 302 and the left cover disk 301 rotate relatively, and since the material port sleeve 311 is connected to the movable connecting rod 312 and the movable connecting rod 312 is inserted into the chute 1, the material port sleeve 311 is stationary and does not rotate, and the left cover disk 301 connected to the material port sleeve 311 through the material port sleeve connecting rod 317 is also stationary and does not rotate.

When the rotary drum 4 rotates at a high speed to perform solid-liquid separation, the scraper hydraulic cylinder 314 is started, a piston rod of the scraper hydraulic cylinder 314 drives the movable connecting rod 312 to move back and forth along the axial direction of the rotary drum 4, the movable connecting rod 312 drives the material port sleeve 311 to move back and forth along the feeding pipe 2, the material port sleeve 311 drives the movable disc 316 to move back and forth along the axial direction of the rotary drum 4, the movable disc 316 drives the scrapers 320 to move back and forth in the rotary drum 4 along the material pushing disc connecting shaft 8 through the movable disc connecting rod 306, solid materials near the filter bag 10 are continuously turned over until the solid-liquid separation is completed, and the rotary drum 4 stops rotating.

After the solid-liquid separation of the materials is completed, the linear thrust device 607 pushes the inner shaft 601 to move leftwards, the inner shaft 601 drives the material pushing disc 602 and the sealing cover 100 to move leftwards, the sealing cover 100 is firstly separated from the opening of the rotary drum 4, the material pushing disc 602 further moves leftwards to push the filter bags 10 and the materials to move towards the outlet of the rotary drum 4, finally the materials and the filter bags 10 are pushed out of the rotary drum 4, and the materials are discharged through the material discharging cover 101.

During movement of pusher tray 602 to the left, scraper cylinder 314 may cooperate to avoid interference of pusher tray 602 with scraper 320.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. The bag-turning centrifugal machine comprises a rack (7), wherein a baffle (9) is vertically connected to the rack (7), one side of the baffle (9) is rotatably connected with a rotary drum (4), a rotary driving mechanism (5) for driving the rotary drum (4) to rotate and a material pushing mechanism (6) for discharging are fixedly connected to the rack (7) on the other side, and a filter bag (10) is arranged in the rotary drum (4);

the rotary driving mechanism (5) comprises an outer shaft (603) which is rotatably connected to the rack (7) through a bearing seat (613) and a motor (501) for driving the outer shaft (603) to rotate, and one end of the outer shaft (603) penetrates through the baffle (9) to be fixedly connected with the rotary drum (4);

the material pushing mechanism (6) comprises an inner shaft (601) concentrically arranged in an outer shaft (603), one end of the inner shaft (601), which is close to the rotary drum (4), penetrates through the outer shaft (603) to be inserted into the rotary drum (4) and is fixedly connected with a material pushing disc (602), the material pushing disc (602) is circular, the outer diameter of the material pushing disc is smaller than the inner diameter of the rotary drum (4), a plurality of material pushing disc connecting shafts (8) which are parallel to the axial direction of the rotary drum (4) are uniformly distributed on the periphery of one surface of the material pushing disc (602), which is back to the outer shaft (603), one ends of the plurality of material pushing disc connecting shafts (8), which are far away from the material pushing disc (602), are jointly connected with a sealing cover (100), the periphery of the material pushing disc (602) is fixedly connected with the bottom of a filter bag (10), the opening part of the filter bag (10) is fixedly connected with the opening part of the rotary drum (4), when the material pushing disc (, one end of the inner shaft (601), which is far away from the rotary drum (4), is in transmission connection with a linear thrust device (607) through a rotating mechanism (605), and the linear thrust device (607) pushes the inner shaft (601) to move back and forth along the axial direction of the outer shaft (603);

the method is characterized in that:

one side of the baffle (9) is fixedly connected with a rotary drum cover (103) covering the rotary drum (4), one end, far away from the baffle (9), of the rotary drum cover (103) is connected with a discharge cover (101), one end, far away from the rotary drum cover (103), of the discharge cover (101) is fixedly connected with a feeding pipe (2), and the feeding pipe (2) sequentially penetrates through the discharge cover (101) and the sealing cover (100) along the central shaft of the rotary drum (4) and is inserted into the rotary drum (4);

the two side walls of the discharging cover (101) are symmetrically provided with a sliding chute (1) extending along the axial direction of the rotary drum (4), a material inlet sleeve (311) and a moving disc (316) are sleeved on a material inlet pipe (2) positioned in the discharging cover (101), two opposite sides of the material inlet sleeve (311) are respectively connected with a moving connecting rod (312) extending outwards along the radial direction of the material inlet sleeve, the two moving connecting rods (312) penetrate through the sliding chute (1) one by one and extend out of the discharging cover (101), the baffle plate (9) is fixedly connected with two scraper hydraulic cylinders (314) symmetrically arranged at two sides of the rotary drum cover (103), piston rods of the two scraper hydraulic cylinders (314) are respectively and mutually connected with the two moving connecting rods (312) one by one, the moving disc (316) is positioned between the material inlet sleeve (311) and the sealing cover (100), and the moving disc (316) comprises an annular main body disc (302), the inner concave retaining rings (305) are respectively arranged on two sides of the main body disc (302), the retaining rings (305) on two sides of the main body disc (302) are respectively embedded with a left cover disc (301) and a right cover disc (303), the left cover disc (301) and the right cover disc (303) are mutually connected through bolts, the left cover disc (301) and the right cover disc (303) are respectively in rolling connection with the main body disc (302) through rolling bodies (304) in the retaining rings (305), the material port sleeve (311) is fixedly connected with the left cover disc (301) and the right cover disc (303) through two material port sleeve connecting rods (317), a plurality of moving disc connecting rods (306) extending to the material pushing disc (602) are uniformly distributed on the circumference of the main body disc (302), through holes corresponding to the moving disc connecting rods (306) one by one are formed in the sealing cover (100), the moving disc connecting rods (306) are inserted into the rotary drum (4) through corresponding through the corresponding through holes, and a scraper (320) is fixedly connected to any, a gap is reserved between the scraper (320) and the inner wall of the filter bag (10) in the rotary drum (4).

2. The bag turning centrifuge according to claim 1, wherein any scraper (320) is composed of a scraper head (321) and a scraper connecting plate (322) which are connected with each other, the scraper connecting plate (322) is fixedly connected with the movable disk connecting rod (306), and each scraper connecting plate (322) is also sleeved on one pushing disk connecting shaft (8) in a sliding manner.

3. The bag turning centrifuge according to claim 1, wherein the rotating mechanism (605) is a combined thrust bearing, the linear thrust device (607) is a pushing hydraulic cylinder, and the rotating mechanism (605) is connected with the front end of a piston rod of the linear thrust device (607) through a connecting sleeve (606).

4. The bag-turning centrifuge according to claim 1, characterized in that the outer wall of the inner shaft (601) is provided with axially extending spline grooves, the end of the outer shaft (603) far away from the rotary drum (4) is fixedly connected with a spline shaft sleeve (604), and internal splines of the spline shaft sleeve (604) are embedded with the spline grooves on the inner shaft (601).