CN113522544B

CN113522544B - Bag overturning and discharging centrifuge driving mechanism

Info

Publication number: CN113522544B
Application number: CN202110824415.0A
Authority: CN
Inventors: 顾逸; 许关红; 高锐; 顾根生
Original assignee: JIANGSU SAIDELI PHARMACEUTICAL MACHINE CO Ltd
Current assignee: JIANGSU SAIDELI PHARMACEUTICAL MACHINE CO Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-03-25
Anticipated expiration: 2041-07-21
Also published as: CN113522544A

Abstract

The invention relates to the technical field of centrifuges, in particular to a bag-turning and discharging centrifuge driving mechanism which comprises a rack, a rotary drum, a material-pushing disc, a bearing seat, a first bearing, a second bearing, a hollow main shaft, a main belt wheel, an installation sleeve, a third bearing, an auxiliary belt wheel, a screw rod, a first fixing plate, a second fixing plate, a disc spring and a support assembly, wherein the bearing seat is horizontally arranged in the rack, the hollow main shaft is arranged in the bearing seat in a sliding manner through the first bearing and the second bearing, the rotary drum is fixedly connected with the right end of the hollow main shaft, a push rod shaft which can axially move and rotate along with the hollow main shaft is arranged in the hollow main shaft, the push rod shaft is in sliding fit with the hollow main shaft, an internal thread sleeve is arranged at the left end of the push rod shaft, the installation sleeve is arranged at the left end of the main belt wheel through the third bearing, the auxiliary belt wheel is fixedly connected with the installation sleeve, the screw rod is arranged in the installation sleeve, the invention has the advantages of compact structure, short machine length, high rotating speed and the like.

Description

Bag overturning and discharging centrifuge driving mechanism

Technical Field

The invention relates to the technical field of centrifuges, in particular to a driving mechanism of a bag-turning discharging centrifuge.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifugal machine is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are insoluble with each other in emulsion; it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities; some settling centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that solid particles with different densities or granularities have different settling speeds in liquid.

The typical product of the bag-turning type filtering centrifuge is produced by the company HeineKerr, Germany (patent number 200480006484.5), a hollow main shaft in a disclosed driving structure rotates to provide rotary drum rotating power, a screw rod drives a nut to drive a push rod shaft to move axially, so that a material pushing disc is pushed out from a rotary drum, a hollow main shaft rotating mechanism and a screw rod of the mechanism are independently arranged in an axial movement mode, the whole mechanism is long in length, is not convenient to process and manufacture, and is not easy to realize high-speed separation.

Disclosure of Invention

The invention aims to provide a driving mechanism of a bag-turning and discharging centrifuge, which aims to solve the problems that a hollow spindle rotating mechanism and a screw rod are provided in the background technology and move axially and independently, the whole mechanism is long in length, inconvenient to process and manufacture and difficult to realize high-speed separation.

The technical scheme of the invention is as follows:

a bag-turning and discharging centrifuge driving mechanism comprises a rack, a rotary drum, a material-pushing disc, a bearing seat, a first bearing, a second bearing, a hollow main shaft, a main belt wheel, an installation sleeve, a third bearing, an auxiliary belt wheel, a first fixing plate, a second fixing plate, a disc spring and a supporting assembly, wherein the bearing seat is horizontally arranged in the rack, two ends of the bearing seat extend to the outside of the rack, the hollow main shaft is rotatably connected to the inside of the bearing seat through the first bearing and the second bearing, two ends of the hollow main shaft extend to the outside of the bearing seat, the rotary drum is fixedly connected with the right end of the hollow main shaft, the main belt wheel is fixedly connected with the left end of the hollow main shaft, a push rod shaft capable of axially moving and rotating along with the hollow main shaft is arranged inside the hollow main shaft, the push rod shaft is in sliding fit with the hollow main shaft, a counter bore is arranged at the left end of the push rod shaft, and a connecting disc is arranged at the right end of the push rod shaft, the connecting disc is positioned in the rotary drum, two connecting shafts which are symmetrically arranged are arranged on the connecting disc, the material pushing disc is arranged on the outer side wall of the right end of the rotary drum and is fixedly connected with the two connecting shafts, the left end of the push rod shaft is provided with an internal thread sleeve, the mounting sleeve is mounted at the left end of the main belt wheel through a third bearing, the auxiliary belt wheel is fixedly connected with the mounting sleeve, a screw is arranged in the mounting sleeve, the right end of the screw extends into the counter bore, the left end of the screw extends to the outside of the mounting sleeve, the first fixing plate is fixedly connected with the outer wall of the mounting sleeve, the second fixing plate is fixedly connected with the left end of the screw, two ends of the disc spring are respectively abutted against the first fixing plate and the second fixing plate, the supporting component is mounted in the frame and is used for supporting the bearing seat, and the top of the frame is provided with a first driving motor, the output shaft of the first driving motor is provided with a first driving wheel, first belts are arranged outside the first driving wheel and the main belt wheel, the outer wall of the bottom end of the rack is provided with a second driving motor, the output shaft of the second driving motor is provided with a second driving wheel, and second belts are arranged outside the second driving wheel and the auxiliary belt wheel.

Furthermore, the support assembly comprises a first support part, a second support part and four guide rails, the four guide rails are distributed on the inner wall of the rack in a rectangular shape, the first support part and the second support part are identical in structure and are symmetrically arranged at the upper end and the lower end inside the rack, the first support part comprises a movable plate, an arc-shaped support plate, a T-shaped plate, a rack, a rotating seat, a rotating shaft, a gear, a rotating motor and a plurality of connecting pieces, the movable plate is slidably arranged on the four guide rails, the T-shaped plate is arranged at the top of the movable plate, the rack is arranged on the outer side wall of the T-shaped plate, the rotating seat is arranged at the top end inside the rack, the rotating shaft is rotatably arranged in the rotating seat, the gear is arranged on the rotating shaft and is meshed with the rack, the rotating motor is horizontally arranged at the side of the rotating seat, and the output shaft of the rotating motor is fixedly connected with the rotating shaft, the connecting pieces are arranged at the bottom of the moving plate at equal intervals, and the arc-shaped supporting plate is arranged at the bottoms of the connecting pieces.

Furthermore, every the connecting piece all includes first connecting seat, second connecting seat and connecting spring, first connecting seat and the bottom fixed connection of movable plate, the top fixed connection of second connecting seat and arc backup pad, connecting spring's both ends respectively with first connecting seat and second connecting seat fixed connection.

Furthermore, a guide key is arranged on the push rod shaft, a rotary groove for the guide key to rotate is formed in the inner wall of the hollow main shaft, a long groove is further formed in the inner wall of the hollow main shaft along the axial direction of the hollow main shaft, and the long groove is communicated with the rotary groove.

Furthermore, a sliding groove is formed in the outer side wall of the right end of the rotary drum, a plurality of sliding columns are arranged on the side wall, close to the sliding groove, of the material pushing disc, and the sliding columns are in sliding fit with the sliding groove.

Furthermore, a plurality of telescopic rods are detachably mounted between the first fixing plate and the second fixing plate.

Furthermore, the first fixing plate and the second fixing plate are both provided with a contact groove for the disc spring to contact.

The invention provides a bag-turning and discharging centrifuge driving mechanism through improvement, compared with the prior art, the bag-turning and discharging centrifuge driving mechanism has the following improvement and advantages:

one is as follows: when the centrifuge is in separation operation, the material pushing disc and the rotary drum are in a closed state, the first driving motor drives the main belt wheel to rotate by utilizing the first driving wheel and the first belt, the main belt wheel drives the hollow main shaft, the pushing disc shaft, the rotary drum, the connecting disc and the material pushing disc to rotate, at the moment, the second driving motor does not work, the auxiliary belt wheel rotates along with the main belt wheel under the action of the third bearing, as the disc spring is arranged between the first fixing plate and the second fixing plate, the material pushing disc and the rotary drum are not easy to be separated in the synchronous rotation process under the action of the pretightening force of the disc spring, when the centrifuge is in unloading operation, the first driving motor drives the main belt wheel, the rotary drum and the internal thread sleeve to synchronously rotate at a low speed, the second driving motor drives the auxiliary belt wheel and the screw rod to synchronously rotate at a high speed, the main belt wheel and the auxiliary belt wheel rotate in the same direction, and as a certain rotation speed difference exists between the internal thread sleeve and the screw rod, so that the pushing disc shaft moves towards the right end axis in the hollow main shaft, and then realize pushing away the breaking away from of charging tray and rotary drum, reached and turned over the bag function of unloading, have advantages such as compact structure, machine length are short and rotational speed height, and under centrifuge operating condition, the supporting component supports the bearing frame, prevents that hollow main shaft and push rod shaft from causing the bearing frame vibration under the high-speed rotation, avoids pushing away the emergence vibration of charging tray and rotary drum, prevents that it from causing the influence to centrifuge work.

The second step is as follows: the rotating shaft is driven to rotate through the work of the rotating motor, the rotating shaft drives the gear to rotate, the gear drives the rack to move, the rack drives the moving plate to move on the four guide rails through the T-shaped plate, the moving plate drives the arc-shaped supporting plate to move through the plurality of connecting pieces, the arc-shaped supporting plate moves to be abutted against the outer wall of the bearing seat, when the hollow main shaft and the push rod shaft rotate at high speed, the bearing seat can vibrate, and at the moment, the plurality of connecting pieces eliminate the vibration of the bearing seat, so that the influence of the vibration of the bearing seat on the normal work of the centrifugal machine is avoided.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is an enlarged view at A in FIG. 2;

FIG. 5 is a partial top view of the present invention;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 7 is a partial perspective cut-away view of the present invention;

FIG. 8 is a partially exploded view of the present invention;

fig. 9 is a partial perspective view of the first embodiment of the present invention.

Description of reference numerals:

1. a frame; 2. a drum; 3. pushing the material tray; 4. a bearing seat; 5. a first bearing; 6. a second bearing; 7. a hollow main shaft; 8. a primary pulley; 9. installing a sleeve; 10. a third bearing; 11. a secondary pulley; 12. a first fixing plate; 13. a second fixing plate; 14. a disc spring; 15. a support assembly; 16. a push rod shaft; 17. a counter bore; 18. a connecting disc; 19. a connecting shaft; 20. an internal thread sleeve; 21. a screw; 22. a first drive motor; 23. a first drive wheel; 24. a first belt; 25. a second drive motor; 26. a second drive wheel; 27. a second belt; 28. a first support member; 281. moving the plate; 282. an arc-shaped support plate; 283. a T-shaped plate; 284. a rack; 285. a rotating seat; 286. a rotating shaft; 287. a gear; 288. rotating the motor; 289. a connecting member; 29. a second support member; 30. a guide rail; 31. a first connecting seat; 32. a second connecting seat; 33. a connecting spring; 34. a guiding key; 35. rotating the groove; 36. a long groove; 37. a sliding groove; 38. a sliding post; 39. a telescopic rod; 40. and contact against the groove.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a bag-turning and discharging centrifuge driving mechanism through improvement, as shown in figures 1-9, comprising a frame 1, a rotary drum 2, a material pushing disc 3 and a bearing seat 4, and further comprising a first bearing 5, a second bearing 6, a hollow main shaft 7, a main belt wheel 8, a mounting sleeve 9, a third bearing 10, an auxiliary belt wheel 11, a first fixing plate 12, a second fixing plate 13, a disc spring 14 and a supporting component 15, wherein the bearing seat 4 is horizontally arranged in the frame 1, two ends of the bearing seat 4 extend to the outside of the frame 1, the hollow main shaft 7 is rotatably connected to the inside of the bearing seat 4 through the first bearing 5 and the second bearing 6, two ends of the hollow main shaft 7 extend to the outside of the bearing seat 4, the rotary drum 2 is fixedly connected with the right end of the hollow main shaft 7, the main belt wheel 8 is fixedly connected with the left end of the hollow main shaft 7, a push rod shaft 16 capable of axially moving and rotating along with the hollow main shaft 7 is arranged in the hollow main shaft 7, a push rod shaft 16 is in sliding fit with the hollow main shaft 7, a counter bore 17 is arranged at the left end of the push rod shaft 16, a connecting disc 18 is arranged at the right end of the push rod shaft 16, the connecting disc 18 is positioned inside the rotary drum 2, two connecting shafts 19 which are symmetrically arranged are arranged on the connecting disc 18, the pushing disc 3 is arranged on the outer side wall of the right end of the rotary drum 2, the pushing disc 3 is fixedly connected with the two connecting shafts 19, an internal thread sleeve 20 is arranged at the left end of the push rod shaft 16, a mounting sleeve 9 is mounted at the left end of the main belt wheel 8 through a third bearing 10, a secondary belt wheel 11 is fixedly connected with the mounting sleeve 9, a screw 21 is arranged inside the mounting sleeve 9, the right end of the screw 21 extends into the counter bore 17, the left end of the screw 21 extends to the outside of the mounting sleeve 9, a first fixing plate 12 is fixedly connected with the outer wall of the mounting sleeve 9, a second fixing plate 13 is fixedly connected with the left end of the screw 21, two ends of a disc spring 14 are respectively abutted against the first fixing plate 12 and the second fixing plate 13, the supporting assembly 15 is installed in the rack 1, the supporting assembly 15 is used for supporting the bearing block 4, a first driving motor 22 is arranged at the top of the rack 1, a first driving wheel 23 is arranged on an output shaft of the first driving motor 22, a first belt 24 is arranged outside the first driving wheel 23 and the main belt wheel 8, a second driving motor 25 is arranged on the outer wall of the bottom end of the rack 1, a second driving wheel 26 is arranged on an output shaft of the second driving motor 25, and a second belt 27 is arranged outside the second driving wheel 26 and the auxiliary belt wheel 11; when the centrifuge is in separation operation, the pushing disc 3 and the rotating drum 2 are in a closed state, the first driving motor 22 drives the main belt wheel 8 to rotate by utilizing the first driving wheel 23 and the first belt 24, the main belt wheel 8 drives the hollow main shaft 7, the push rod shaft 16, the rotating drum 2, the connecting disc 18 and the pushing disc 3 to rotate, the second driving motor 25 does not work at the moment, the auxiliary belt wheel 11 rotates along with the main belt wheel 8 under the action of the third bearing 10, the pushing disc 3 and the rotating drum 2 are not easy to be separated in the synchronous rotation process under the action of the pretightening force of the disc spring 14 due to the disc spring 14 arranged between the first fixing plate 12 and the second fixing plate 13, when the centrifuge is in unloading operation, the first driving motor 22 drives the main belt wheel 8, the rotating drum 2 and the internal thread sleeve 20 to synchronously rotate at a low speed, the second driving motor 25 drives the auxiliary belt wheel 11 and the screw 21 to synchronously rotate at a high speed, and the main belt wheel 8 and the auxiliary belt wheel 11 rotate in the same direction, because a certain rotation speed difference exists between the internal thread sleeve 20 and the screw 21, the push rod shaft 16 moves towards the axis of the right end in the hollow main shaft 7, so that the separation of the material pushing disc 3 and the rotary drum 2 is realized, and the bag turning and discharging functions are achieved.

Specifically, the support assembly 15 includes a first support member 28, a second support member 29 and four guide rails 30, the four guide rails 30 are distributed on the inner wall of the rack 1 in a rectangular shape, the first support member 28 and the second support member 29 have the same structure, and the first support member 28 and the second support member 29 are symmetrically disposed at the upper and lower ends of the inside of the rack 1, the first support member 28 includes a moving plate 281, an arc-shaped support plate 282, a T-shaped plate 283, a rack 284, a rotating seat 285, a rotating shaft 286, a gear 287, a rotating motor 288 and a plurality of connecting members 289, the moving plate 281 is slidably mounted on the four guide rails 30, the T-shaped plate 283 is mounted on the top of the moving plate 281, the rack 284 is disposed on the outer side wall of the T-shaped plate 283, the rotating seat 285 is mounted on the top end of the inside of the rack 1, the rotating shaft 286 is rotatably mounted in the rotating seat 285, the gear 287 is mounted on the rotating shaft 286, and the gear 287 is engaged with the rack 284, the rotating motor 288 is horizontally arranged at the side of the rotating seat 285, the output shaft of the rotating motor 288 is fixedly connected with the rotating shaft 286, a plurality of connecting pieces 289 are arranged at the bottom of the moving plate 281 at equal intervals, and the arc-shaped supporting plate 282 is arranged at the bottom of the plurality of connecting pieces 289; drive axis of rotation 286 through rotating motor 288 work and rotate, axis of rotation 286 drives gear 287 and rotates, gear 287 drives rack 284 and removes, rack 284 utilizes T type board 283 to drive movable plate 281 and moves on four guide rails 30, movable plate 281 utilizes a plurality of connecting piece 289 to drive arc backup pad 282 and removes, arc backup pad 282 removes to contradict with the outer wall of bearing frame 4, when hollow main shaft 7 and push rod shaft 16 are high-speed rotatory, bearing frame 4 can produce the vibration, the vibration that a plurality of connecting piece 289 produced bearing frame 4 at this moment is eliminated, avoid bearing frame 4 vibration to produce the influence to centrifuge's normal work.

Specifically, each connecting member 289 includes a first connecting seat 31, a second connecting seat 32 and a connecting spring 33, the first connecting seat 31 is fixedly connected with the bottom of the moving plate 281, the second connecting seat 32 is fixedly connected with the top of the arc-shaped supporting plate 282, and two ends of the connecting spring 33 are respectively fixedly connected with the first connecting seat 31 and the second connecting seat 32; the connecting spring 33 deforms to offset the vibration generated by the bearing seat 4, and the purpose of eliminating the vibration of the bearing seat 4 is achieved.

Specifically, the push rod shaft 16 is provided with a guide key 34, the inner wall of the hollow main shaft 7 is provided with a rotary groove 35 for the guide key 34 to rotate, the inner wall of the hollow main shaft 7 is also provided with a long groove 36 arranged along the axial direction of the hollow main shaft, and the long groove 36 is communicated with the rotary groove 35; when the rotating speeds of the hollow main shaft 7 and the push rod shaft 16 are different, or the rotating directions of the hollow main shaft 7 and the push rod shaft 16 are different, the rotating groove 35 prevents the guide key 34 from being clamped in the long groove 36, wherein the connecting position between the long groove 36 and the rotating groove 35 can be set to be wedge-shaped, so that the guide key 34 can conveniently enter the long groove 36 to play a role of guiding and buffering after rotating in the rotating groove 35, the guide key 34 is prevented from being abutted against and clamped with the side wall of the rotating groove 35, when the push rod shaft 16 axially moves in the hollow main shaft 7, the push rod shaft 16 drives the guide key 34 to slide in the long groove 36, the guide key 34 plays a role of guiding the axial movement of the push rod shaft 16, and an error is prevented from being generated in the movement direction of the push rod shaft 16.

Specifically, a sliding groove 37 is formed in the outer side wall of the right end of the rotary drum 2, a plurality of sliding columns 38 are arranged on the side wall of the pushing tray 3 close to the sliding groove 37, and the plurality of sliding columns 38 are in sliding fit with the sliding groove 37; when the rotating speed of the material pushing disc 3 is different from that of the rotating drum 2, the sliding columns 38 are far away from the sliding grooves 37 while rotating in the sliding grooves 37, so that the material pushing disc 3 can be conveniently installed and separated from the rotating drum 2.

Specifically, a plurality of telescopic rods 39 are detachably mounted between the first fixing plate 12 and the second fixing plate 13; when the disc spring 14 is damaged and broken, the pulling force of the plurality of telescopic rods 39 enables the material pushing disc 3 not to be easily separated in the synchronous rotation process with the rotary drum 2.

Specifically, the first fixing plate 12 and the second fixing plate 13 are both provided with an abutting groove 40 against which the disc spring 14 abuts; the interference groove 40 facilitates stable interference of both ends of the disc spring 14 with the first fixing plate 12 and the second fixing plate 13, respectively.

The working principle of the invention is as follows: when the centrifugal machine works in a separating mode, the pushing disc 3 and the rotary drum 2 are in a closed state, the first driving motor 22 drives the main belt wheel 8 to rotate by utilizing the first driving wheel 23 and the first belt 24, the main belt wheel 8 drives the hollow main shaft 7, the push rod shaft 16, the rotary drum 2, the connecting disc 18 and the pushing disc 3 to rotate, the second driving motor 25 does not work at the moment, the auxiliary belt wheel 11 rotates along with the main belt wheel 8 under the action of the third bearing 10, and the pushing disc 3 and the rotary drum 2 are not easy to disengage in the synchronous rotation process under the action of the pretightening force of the disc spring 14 because the disc spring 14 is arranged between the first fixing plate 12 and the second fixing plate 13; when the centrifuge discharges materials, the first driving motor 22 drives the main belt wheel 8, the rotary drum 2 and the internal thread sleeve 20 to synchronously rotate at a low speed, the second driving motor 25 drives the auxiliary belt wheel 11 and the screw 21 to synchronously rotate at a high speed, the main belt wheel 8 and the auxiliary belt wheel 11 rotate in the same direction, and the push rod shaft 16 moves towards the axis of the right end in the hollow main shaft 7 due to a certain rotation speed difference between the internal thread sleeve 20 and the screw 21, so that the separation of the material pushing disc 3 and the rotary drum 2 is realized, and the bag turning and discharging functions are achieved; when the centrifuge finishes discharging and the pushing disc 3 is reset, the first driving motor 22 drives the main belt wheel 8, the rotary drum 2 and the internal thread sleeve 20 to synchronously rotate at a low speed, the second driving motor 25 drives the auxiliary belt wheel 11 and the screw 21 to reversely rotate at a certain rotating speed, the push rod shaft 16 axially moves towards the left end in the hollow main shaft 7, so that the pushing disc 3 and the rotary drum 2 are closed, and the pushing disc 3 is reset; when the centrifuge is overhauled, the first driving motor 22 stops working, the main belt wheel 8 is in a non-rotating state, the rotary drum 2 is in a static state, then the second driving motor 25 drives the auxiliary belt wheel 11 to rotate in the forward direction and the reverse direction, the push rod shaft 16 moves axially towards the right end and the left end in the hollow main shaft 7, and the functions of separating and closing the push plate 3 and the rotary drum 2 are achieved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a turn over bag centrifuge actuating mechanism of unloading, includes frame (1), rotary drum (2), blevile of push (3) and bearing frame (4), its characterized in that: the device is characterized by further comprising a first bearing (5), a second bearing (6), a hollow main shaft (7), a main belt wheel (8), an installation sleeve (9), a third bearing (10), an auxiliary belt wheel (11), a first fixing plate (12), a second fixing plate (13), a disc spring (14) and a supporting assembly (15), wherein the bearing seat (4) is horizontally arranged in the rack (1), two ends of the bearing seat (4) extend to the outside of the rack (1), the hollow main shaft (7) is rotatably connected to the inside of the bearing seat (4) through the first bearing (5) and the second bearing (6), two ends of the hollow main shaft (7) extend to the outside of the bearing seat (4), the rotary drum (2) is fixedly connected with the right end of the hollow main shaft (7), the main belt wheel (8) is fixedly connected with the left end of the hollow main shaft (7), a push rod shaft (16) capable of axially moving and rotating along with the hollow main shaft is arranged in the hollow main shaft (7), the utility model discloses a drum type, the left end of the screw rod (21) extends to the outside of the mounting sleeve (9), the first fixing plate (12) is fixedly connected with the outer wall of the mounting sleeve (9), the second fixing plate (13) is fixedly connected with the left end of the screw rod (21), two ends of the disc spring (14) are respectively abutted against the first fixing plate (12) and the second fixing plate (13), the supporting component (15) is mounted in the rack (1) and used for supporting the bearing seat (4), the top of the rack (1) is provided with a first driving motor (22), an output shaft of the first driving motor (22) is provided with a first driving wheel (23), the outside of the first driving wheel (23) and the main belt wheel (8) is provided with a first belt (24), the outer wall of the bottom end of the rack (1) is provided with a second driving motor (25), an output shaft of the second driving motor (25) is provided with a second driving wheel (26), a second belt (27) is arranged outside the second driving wheel (26) and the auxiliary pulley (11); the push rod shaft (16) is provided with a guide key (34), the inner wall of the hollow main shaft (7) is provided with a rotary groove (35) for the guide key (34) to rotate, the inner wall of the hollow main shaft (7) is also provided with a long groove (36) arranged along the axial direction of the hollow main shaft, and the long groove (36) is communicated with the rotary groove (35); a plurality of telescopic rods (39) are detachably mounted between the first fixing plate (12) and the second fixing plate (13).

2. The bag-turning and discharging centrifuge driving mechanism according to claim 1, wherein: the supporting assembly (15) comprises a first supporting part (28), a second supporting part (29) and four guide rails (30), the four guide rails (30) are distributed on the inner wall of the rack (1) in a rectangular shape, the first supporting part (28) and the second supporting part (29) are identical in structure, the first supporting part (28) and the second supporting part (29) are symmetrically arranged at the upper end and the lower end of the inside of the rack (1), the first supporting part (28) comprises a moving plate (281), an arc-shaped supporting plate (282), a T-shaped plate (283), a rack (284), a rotating seat (285), a rotating shaft (286), a gear (287), a rotating motor (288) and a plurality of connecting pieces (289), the moving plate (281) is slidably arranged on the four guide rails (30), the T-shaped plate (283) is arranged at the top of the moving plate (281), and the rack (284) is arranged on the outer side wall of the T-shaped plate (283), the rotary seat (285) is installed on the top end of the interior of the rack (1), the rotary shaft (286) is rotatably installed in the rotary seat (285), the gear (287) is installed on the rotary shaft (286), the gear (287) is meshed with the rack (284), the rotary motor (288) is horizontally arranged on the side of the rotary seat (285), the output shaft of the rotary motor (288) is fixedly connected with the rotary shaft (286), the connecting pieces (289) are arranged at the bottom of the movable plate (281) at equal intervals, and the arc-shaped support plate (282) is installed at the bottom of the connecting pieces (289).

3. The bag-turning and discharging centrifuge driving mechanism according to claim 2, wherein: each connecting piece (289) comprises a first connecting seat (31), a second connecting seat (32) and a connecting spring (33), the first connecting seat (31) is fixedly connected with the bottom of the moving plate (281), the second connecting seat (32) is fixedly connected with the top of the arc-shaped supporting plate (282), and two ends of the connecting spring (33) are fixedly connected with the first connecting seat (31) and the second connecting seat (32) respectively.

4. The bag-turning and discharging centrifuge driving mechanism according to claim 1, wherein: the outer side wall of the right end of the rotary drum (2) is provided with a sliding groove (37), the side wall of the material pushing plate (3) close to the sliding groove (37) is provided with a plurality of sliding columns (38), and the sliding columns (38) are in sliding fit with the sliding groove (37).

5. The bag-turning and discharging centrifuge driving mechanism according to claim 1, wherein: and the first fixing plate (12) and the second fixing plate (13) are respectively provided with an abutting groove (40) for abutting against the disc spring (14).