阅读说明：本技术 一种电加热反应釜 (Electric heating reaction kettle ) 是由 张立彬 于 2021-08-12 设计创作，主要内容包括：本发明属于化工设备技术领域,尤其是一种电加热反应釜,包括箱体,所述箱体圆周内壁通过螺栓固定有隔板,箱体内壁底部连接有连接轴,连接轴顶部固定有安装杆,安装杆两侧均通过螺栓固定有第一支杆,第一支杆内开设有第一置放槽,第一支杆前端开设有第一导向槽,第一导向槽和第一置放槽连通,第一置放槽靠近安装杆一侧内壁通过螺栓固定有第一弹簧,第一弹簧另一侧通过螺栓固定有第一固定块,第一固定块前端通过螺栓固定有第一减阻杆,第一减阻杆前端通过螺栓固定有第一搅拌桨,第一减阻杆穿设于第一导向槽内,第一支杆上设置有第一导向机构。本发明中,通过第一导向齿对第一搅拌桨形成颠动,从而消除搅拌盲区。(The invention belongs to the technical field of chemical equipment, and particularly relates to an electric heating reaction kettle which comprises a box body, wherein a partition plate is fixed on the inner wall of the circumference of the box body through a bolt, the bottom of the inner wall of the box body is connected with a connecting shaft, an installation rod is fixed at the top of the connecting shaft, first supporting rods are fixed on two sides of the installation rod through bolts, a first placing groove is formed in each first supporting rod, a first guide groove is formed in the front end of each first supporting rod and communicated with the corresponding first placing groove, a first spring is fixed on the inner wall of one side, close to the installation rod, of each first placing groove through the bolt, a first fixing block is fixed on the other side of each first spring through the bolt, a first drag reduction rod is fixed at the front end of each first fixing block through the bolt, a first stirring paddle is fixed at the front end of each first drag reduction rod through the bolt, the first drag reduction rods penetrate through the first guide grooves, and a first guide mechanism is arranged on the first supporting rods. In the invention, the first stirring paddle is jolted by the first guide tooth, so that the stirring blind area is eliminated.)

1. An electric heating reaction kettle comprises a box body (1) and is characterized in that a partition plate (5) is fixed on the circumferential inner wall of the box body (1) through bolts, a connecting shaft (6) is rotatably connected to the bottom of the inner wall of the box body (1) through a bearing, the top of the connecting shaft (6) extends to the upper side of the partition plate (5) and is fixed with a mounting rod (7) through bolts, first supporting rods (11) are fixed on two sides of the mounting rod (7) through bolts, first placing grooves (12) are formed in the first supporting rods (11), first guide grooves (13) are formed in the front ends of the first supporting rods (11), the first guide grooves (13) are communicated with the first placing grooves (12), first springs (14) are fixed on the inner wall of one side, close to the mounting rod (7), of the first placing grooves (12), first fixing blocks (15) are fixed on the other side of the first springs (14) through bolts, first resistance reducing rods (16) are fixed on the front ends of the first fixing blocks (15) through bolts, the front end of the first drag reduction rod (16) is fixed with a first stirring paddle (17) through a bolt, the first drag reduction rod (16) penetrates through the first guide groove (13), the first support rod (11) is provided with a first guide mechanism, and the box body (1) is internally provided with a driving mechanism.

2. An electric heating reactor as claimed in claim 1, wherein the first guide mechanism is provided with a first guide bar (18) fixed at the front end of the first support rod (11) by bolts, a plurality of first guide teeth (19) are uniformly distributed on the top of the first guide bar (18) by bolts, and the first guide teeth (19) are inclined upwards towards one side of the first drag reduction rod (16).

3. The electric heating reaction kettle according to claim 1, wherein the driving mechanism is fixedly provided with a motor (9) at the bottom of the inner wall of the box body (1) through bolts, an output shaft of the motor (9) is connected with an incomplete gear (10), a complete gear (8) is fixedly sleeved on the connecting shaft (6), the complete gear (8) is in meshed connection with the incomplete gear (10), the front end of the box body (1) is fixedly provided with a control panel (4) through bolts, and the control panel (4) is electrically connected with the motor (9).

4. An electric heating reaction kettle according to claim 1, characterized in that a discharge pipe (41) is fixedly penetrated through the top of the partition plate (5), the bottom of the discharge pipe (41) extends to the outside of the box body (1), an electromagnetic valve is fixedly arranged in the discharge pipe (41) through a bolt, a box cover (2) is fixedly arranged on the top of the box body (1) through a bolt, and a feed hopper (3) is communicated with the top of the box cover (2).

5. The electric heating reaction kettle according to claim 1, wherein second support rods (20) are fixed to two sides of the mounting rod (7) through bolts, second placing grooves (21) are formed in the second support rods (20), second guide grooves (22) are formed in the front ends of the second support rods (20), the second guide grooves (22) are communicated with the second placing grooves (21), second springs are fixed to the inner walls, close to one sides of the mounting rod (7), of the second placing grooves (21) through bolts, second fixing blocks (23) are fixed to the other sides of the second springs through bolts, second drag reduction rods (24) are fixed to the front ends of the second fixing blocks (23) through bolts, second stirring paddles (25) are fixed to the front ends of the second drag reduction rods (24) through bolts, the second drag reduction rods (24) are arranged in the second guide grooves (22) in a penetrating mode, and second guide mechanisms are arranged on the second support rods (20).

6. The electric heating reaction kettle according to claim 5, wherein a second guide bar (26) is fixed at the front end of the second support rod (20) through a bolt by the second guide mechanism, a plurality of sliding grooves (27) are uniformly distributed at the front end of the second guide bar (26), the cross sections of the sliding grooves (27) are arranged in an arc shape, sliding blocks are connected in the sliding grooves (27) in a sliding mode, the same third spring (28) is fixed between the sliding blocks and the inner wall of the sliding grooves (27) through a bolt, second guide teeth (29) are fixed at the front ends of the sliding blocks through bolts, the second guide teeth (29) are rotatably connected with the second guide bar (26) through bearings, auxiliary teeth (30) are fixed at the tops of the second guide teeth (29) through bolts, and the cross sections of the second guide teeth (29) and the auxiliary teeth (30) form a Y shape.

7. The electric heating reaction kettle according to claim 1, wherein third support rods (31) are fixed to two sides of the mounting rod (7) through bolts, third placement grooves (32) are formed in the third support rods (31), third guide grooves (36) are formed in the front ends of the third support rods (31), the third guide grooves (36) are communicated with the third placement grooves (32), fourth springs are fixed to the inner walls, close to one sides of the mounting rod (7), of the third placement grooves (32) through bolts, third fixing blocks (33) are fixed to the other sides of the fourth springs through bolts, third drag reduction rods (34) are fixed to the front ends of the third fixing blocks (33) through bolts, third stirring paddles (35) are fixed to the front ends of the third drag reduction rods (34) through bolts, the third drag reduction rods (34) are arranged in the third guide grooves (36) in a penetrating manner, and third guide mechanisms are arranged on the third support rods (31).

8. An electric heating reactor as claimed in claim 7, wherein the third guide mechanism is rotatably connected with a third guide bar (37) and a connecting rod (39) at the front end of the third supporting rod (31) through a bearing, a plurality of uniformly distributed third guide teeth (38) are fixed on the top of the third guide bar (37) through bolts, the third guide teeth (38) incline upwards towards one side of the mounting rod (7), the connecting rod (39) and the third guide bar (37) are rotatably connected through a bearing, and the same fifth spring (40) is fixed between the connecting rod (39) and the third guide bar (37) through bolts.

Technical Field

The invention relates to the technical field of chemical equipment, in particular to an electric heating reaction kettle.

Background

The reaction kettle, also called as a reaction kettle, is a common container for physical or chemical reaction, and is provided with a stirring paddle for stirring and accelerating the reaction, wherein a reaction solution and a solid reactant are mixed and reacted in the reaction kettle under the action of the stirring paddle, and in order to accelerate the reaction, the solution in the reaction kettle needs to be heated.

Compared with the mode of steam and oil heating, the electric heating has the advantages of small pollution, high heat conversion efficiency and the like, but when the existing heating reaction kettle works, the stirring paddle inside the reaction kettle is generally fixedly arranged, and in the rotating process, a stirring blind area exists, so that the reaction efficiency is low, and therefore, the corresponding improvement is made for the problem.

Disclosure of Invention

Based on the technical problem that the existing equipment has a stirring blind area, the invention provides an electric heating reaction kettle.

The invention provides an electric heating reaction kettle, which comprises a box body, wherein a partition plate is fixed on the inner wall of the circumference of the box body through a bolt, the bottom of the inner wall of the box body is rotatably connected with a connecting shaft through a bearing, the top of the connecting shaft extends to the upper part of the partition plate and is fixed with a mounting rod through a bolt, two sides of the mounting rod are respectively fixed with a first supporting rod through a bolt, a first placing groove is arranged in the first supporting rod, the front end of the first supporting rod is provided with a first guide groove which is communicated with the first placing groove, the inner wall of the first placing groove, which is close to one side of the mounting rod, is fixed with a first spring through a bolt, the other side of the first spring is fixed with a first fixing block through a bolt, the front end of the first fixing block is fixed with a first drag reduction rod through a bolt, the front end of the first drag reduction rod is fixed with a first stirring paddle through a bolt, the first drag reduction rod is arranged in the first guide groove in a penetrating way, a first guiding mechanism is arranged on the first supporting rod, a driving mechanism is arranged in the box body.

Preferably, the first guide mechanism is fixed with a first guide strip at the front end of the first support rod through a bolt, a plurality of first guide teeth which are uniformly distributed are fixed at the top of the first guide strip through a bolt, and the first guide teeth incline upwards to one side of the first drag reduction rod.

Preferably, the driving mechanism is fixedly provided with a motor at the bottom of the inner wall of the box body through a bolt, an output shaft of the motor is connected with an incomplete gear, the complete gear is fixedly sleeved on the connecting shaft and meshed with the incomplete gear, the front end of the box body is fixedly provided with a control panel through a bolt, and the control panel is electrically connected with the motor.

Preferably, the baffle top is run through and is fixed with the discharging pipe, and the discharging pipe bottom extends to the box outside, has the solenoid valve through the bolt fastening in the discharging pipe, and the box top has the case lid through the bolt fastening, and case lid top intercommunication has the feeder hopper.

Preferably, installation pole both sides all are equipped with second branch through the bolt fastening, set up the second in the second branch and place the groove, the second guide way has been seted up to second branch front end, second guide way and second are placed the groove intercommunication, the second is placed the groove and is close to installation pole one side inner wall and is equipped with the second spring through the bolt fastening, the second spring opposite side is equipped with the second fixed block through the bolt fastening, second fixed block front end is equipped with second drag reduction pole through the bolt fastening, the second drag reduction pole front end is equipped with the second stirring rake through the bolt fastening, the second drag reduction pole is worn to locate in the second guide way, be provided with second guiding mechanism on the second branch.

Preferably, the second guiding mechanism is provided with a second guiding strip at the front end of the second supporting rod through bolts, a plurality of evenly distributed sliding grooves are formed in the front end of the second guiding strip, the cross section of each sliding groove is arc-shaped, a sliding block is connected in each sliding groove in a sliding mode, a same third spring is fixed between each sliding block and the inner wall of each sliding groove through bolts, the front end of each sliding block is provided with a second guiding tooth through bolts, each second guiding tooth and each second guiding strip are rotatably connected through bearings, the top of each second guiding tooth is provided with an auxiliary tooth through bolts, and the cross sections of the second guiding teeth and the auxiliary teeth form a Y shape.

Preferably, the installation pole both sides all are equipped with third branch through the bolt fastening, set up the third in the third branch and put the groove, the third guide way has been seted up to third branch front end, third guide way and third are put the groove intercommunication, the third is put the groove and is close to installation pole one side inner wall and is equipped with the fourth spring through the bolt fastening, the fourth spring opposite side is equipped with the third fixed block through the bolt fastening, the third fixed block front end is equipped with third drag reduction pole through the bolt fastening, the third drag reduction pole front end is equipped with the third stirring rake through the bolt fastening, the third drag reduction pole is worn to locate in the third guide way, be provided with third guiding mechanism on the third branch.

Preferably, the third guide mechanism is rotatably connected with a third guide bar and a connecting rod at the front end of the third support rod through a bearing, a plurality of third guide teeth which are uniformly distributed are fixed at the top of the third guide bar through bolts, the third guide teeth incline upwards towards one side of the mounting rod, the connecting rod is rotatably connected with the third guide bar through the bearing, and a same fifth spring is fixed between the connecting rod and the third guide bar through bolts.

Compared with the prior art, the invention provides an electric heating reaction kettle, which has the following beneficial effects:

1. the electric heating reaction kettle is characterized in that a first supporting rod is arranged, a motor is started, a motor output shaft drives an incomplete gear to rotate, then, meshing drives the complete gear to rotate, then, a connecting shaft is driven, an installation rod and the first supporting rod rotate, when the complete gear and the incomplete gear keep gear teeth meshing, a first stirring paddle has positive acceleration and is thrown out under the action of centrifugal force, the stirring paddle moves outwards under the guiding action of a first guide groove, when the complete gear and the incomplete gear are separated from the gear teeth meshing, the first stirring paddle has negative acceleration under the action of a first spring, the first stirring paddle begins to move back along the first guide groove, at the moment, the centrifugal force is gradually reduced, the first resistance reducing rod contacts with the first guide tooth due to gravity to form pitch, pitch is formed, so that a stirring blind area is eliminated, the first guide tooth is obliquely arranged, the collision abrasion with the first drag reduction rod can be reduced, and the service life of the drag reduction rod is prolonged.

2. The electric heating reaction kettle is characterized in that a second supporting rod is arranged, when a complete gear and an incomplete gear are kept in gear tooth engagement, a second stirring paddle has positive acceleration and is thrown out under the action of centrifugal force and moves outwards under the guiding action of a second guide groove, when the complete gear and the incomplete gear are separated from the gear tooth engagement, the second stirring paddle has negative acceleration under the action of a third spring, the second stirring paddle starts to move back along the second guide groove, the centrifugal force is gradually reduced at the moment, the second resistance reducing rod is in contact with the second guide teeth due to gravity to form pitch, auxiliary teeth are arranged, the second guide teeth and the auxiliary teeth form Y shapes, namely, the second resistance reducing rod can form multi-point contact with the second resistance reducing rod to form swing pitch, the second stirring paddle forms swing pitch, stirring blind areas are further eliminated, when the second guide teeth are under pressure, the sliding block can be followed to form rotation in the sliding groove, so that severe collision is avoided when the second drag reduction rod moves, collision and abrasion with the second drag reduction rod are reduced, and the service life of the drag reduction rod is prolonged.

3. The electric heating reaction kettle is characterized in that a third support rod is arranged, when a complete gear and an incomplete gear are kept in gear tooth engagement, a third stirring paddle has positive acceleration and is thrown out under the action of centrifugal force, the third stirring paddle moves outwards under the guiding action of a third guide groove, a third guide strip rotates in the horizontal direction under the action of centrifugal force, the collision between the third guide tooth and a third drag reduction rod is directly avoided, so that the collision abrasion with the third drag reduction rod is reduced, the service life of the electric heating reaction kettle is prolonged, when the complete gear and the incomplete gear are separated from the gear tooth engagement, the third stirring paddle has negative acceleration under the action of a fourth spring, the third stirring paddle starts to move back along the third guide groove, the centrifugal force is gradually reduced, the third guide strip rotates in a resetting way under the action of the fifth spring, the third drag reduction rod is in contact with the third guide tooth, and the pitch with gradually reduced pitch is formed, thereby further eliminating the dead zone of agitation.

Drawings

FIG. 1 is a schematic view of the overall structure of an electric heating reaction kettle according to the present invention;

FIG. 2 is a schematic view of the internal structure of an electric heating reaction kettle according to the present invention;

FIG. 3 is a schematic view of the overall structure of a first support rod of an electric heating reactor according to the present invention;

FIG. 4 is a schematic view of the internal structure of a first support rod of an electric heating reactor according to the present invention;

FIG. 5 is a schematic view of an overall structure of a second support rod of an electric heating reaction kettle according to the present invention;

FIG. 6 is an enlarged schematic structural view of a position A of an electric heating reaction kettle according to the present invention;

fig. 7 is a schematic view of the overall structure of a third support rod of an electric heating reaction kettle according to the present invention.

In the figure: 1. a box body; 2. a box cover; 3. a feed hopper; 4. a control panel; 5. a partition plate; 6. a connecting shaft; 7. mounting a rod; 8. a full gear; 9. a motor; 10. an incomplete gear; 11. a first support bar; 12. a first placing groove; 13. a first guide groove; 14. a first spring; 15. a first fixed block; 16. a first drag reduction rod; 17. a first stirring paddle; 18. a first guide bar; 19. a first guide tooth; 20. a second support bar; 21. a second placing groove; 22. a second guide groove; 23. a second fixed block; 24. a second drag reduction rod; 25. a second stirring paddle; 26. a second guide bar; 27. a chute; 28. a third spring; 29. a second guide tooth; 30. secondary teeth; 31. a third support bar; 32. a third placing groove; 33. a third fixed block; 34. a third drag reduction rod; 35. a third stirring paddle; 36. a third guide groove; 37. a third guide bar; 38. a third guide tooth; 39. a connecting rod; 40. a fifth spring; 41. and (4) discharging the pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Examples

Referring to fig. 1-7, an electric heating reaction kettle comprises a box body 1, a partition plate 5 is fixed on the inner wall of the circumference of the box body 1 through bolts, a connecting shaft 6 is rotatably connected with the bottom of the inner wall of the box body 1 through a bearing, the top of the connecting shaft 6 extends to the upper side of the partition plate 5 and is fixed with a mounting rod 7 through bolts, first supporting rods 11 are fixed on two sides of the mounting rod 7 through bolts, first placing grooves 12 are formed in the first supporting rods 11, first guide grooves 13 are formed in the front ends of the first supporting rods 11, the first guide grooves 13 are communicated with the first placing grooves 12, first springs 14 are fixed on the inner wall of one side, close to the mounting rod 7, of the first placing grooves 12 through bolts, first fixing blocks 15 are fixed on the other side of the first springs 14 through bolts, first resistance reducing rods 16 are fixed on the front ends of the first fixing blocks 15 through bolts, first stirring paddles 17 are fixed on the front ends of the first resistance reducing rods 16 through bolts, the first resistance reducing rods 16 penetrate through the first guide grooves 13, a first guide mechanism is arranged on the first supporting rod 11, and a driving mechanism is arranged in the box body 1.

Further, a first guide bar 18 is fixed to the front end of the first support rod 11 through a bolt in the first guide mechanism, a plurality of first guide teeth 19 which are evenly distributed are fixed to the top of the first guide bar 18 through a bolt, and the first guide teeth 19 incline upwards towards one side of the first drag reduction rod 16.

Further, actuating mechanism has motor 9 through the bolt fastening in 1 inner wall bottom of box, and motor 9 output shaft has incomplete gear 10, and the cover is established and is fixed with complete gear 8 on the connecting axle 6, and complete gear 8 and incomplete gear 10 meshing are connected, and 1 front end of box is through the bolt fastening has control panel 4, control panel 4 and motor 9 electric connection.

Further, 5 tops of the partition plates run through and are fixed with a discharge pipe 41, the bottom of the discharge pipe 41 extends to the outside of the box body 1, an electromagnetic valve is fixed in the discharge pipe 41 through bolts, the top of the box body 1 is fixed with a box cover 2 through bolts, and the top of the box cover 2 is communicated with a feed hopper 3.

Further, installation pole 7 both sides all are equipped with second branch 20 through the bolt fastening, second place groove 21 has been seted up in the second branch 20, second guide way 22 has been seted up to second branch 20 front end, second guide way 22 and second place groove 21 intercommunication, second place groove 21 is close to installation pole 7 one side inner wall and is equipped with the second spring through the bolt fastening, the second spring opposite side is equipped with second fixed block 23 through the bolt fastening, second fixed block 23 front end is equipped with second drag reduction pole 24 through the bolt fastening, second drag reduction pole 24 front end is equipped with second stirring rake 25 through the bolt fastening, second drag reduction pole 24 is worn to locate in second guide way 22, be provided with second guiding mechanism on the second branch 20.

Further, the second guide mechanism is fixed with second guide bar 26 at the front end of second branch 20 through the bolt, a plurality of evenly distributed's spout 27 are seted up to second guide bar 26 front end, spout 27 cross-section sets to the arc, sliding connection has the slider in the spout 27, there is same third spring 28 through the bolt fastening between slider and the spout 27 inner wall, the slider front end is fixed with second direction tooth 29 through the bolt fastening, rotate through the bearing between second direction tooth 29 and the second guide bar 26 and connect, there is vice tooth 30 second direction tooth 29 top through the bolt fastening, second direction tooth 29 and vice tooth 30 cross-section form the Y shape.

Further, installation pole 7 both sides all are equipped with third branch 31 through the bolt fastening, third slot 32 has been seted up in the third branch 31, third guide way 36 has been seted up to third branch 31 front end, third guide way 36 and third slot 32 intercommunication, third slot 32 is close to installation pole 7 one side inner wall and is equipped with the fourth spring through the bolt fastening, the fourth spring opposite side is equipped with third fixed block 33 through the bolt fastening, third fixed block 33 front end is equipped with third drag reduction pole 34 through the bolt fastening, third drag reduction pole 34 front end is equipped with third stirring rake 35 through the bolt fastening, third drag reduction pole 34 is worn to locate in third guide way 36, be provided with third guiding mechanism on the third branch 31.

Further, a third guide bar 37 and a connecting rod 39 are rotatably connected to the front end of the third support rod 31 through a bearing in the third guide mechanism, a plurality of uniformly distributed third guide teeth 38 are fixed to the top of the third guide bar 37 through bolts, the third guide teeth 38 incline upwards towards the side of the mounting rod 7, the connecting rod 39 and the third guide bar 37 are rotatably connected through a bearing, and the same fifth spring 40 is fixed between the connecting rod 39 and the third guide bar 37 through bolts.

The working principle is as follows: when the device is used, raw materials to be reacted are added into the box body 1 through the feed hopper 3, the motor 9 is started, the output shaft of the motor 9 drives the incomplete gear 10 to rotate, then the complete gear 8 is driven to rotate by meshing, then the connecting shaft 6, the mounting rod 7 and the first supporting rod 11 are driven to rotate, when the complete gear 8 and the incomplete gear 10 keep gear teeth meshed, the first stirring paddle 17 has positive acceleration and is thrown out under the action of centrifugal force and moves outwards under the guiding action of the first guide groove 13, when the complete gear 8 and the incomplete gear 10 are separated from the gear teeth meshing, the first stirring paddle 17 has negative acceleration under the action of the first spring 14, the first stirring paddle 17 starts to move back along the first guide groove 13, at the moment, the centrifugal force is gradually reduced, the first drag reduction rod 16 is in contact with the first guide teeth 19 due to gravity to form pitch, so that the first stirring paddle 17 forms pitch, therefore, a stirring blind area is eliminated, the first guide teeth 19 are obliquely arranged, collision and abrasion with the first drag reduction rod 16 can be reduced, and the service life of the first drag reduction rod is prolonged;

when the complete gear 8 and the incomplete gear 10 keep gear teeth engaged, the second stirring paddle 25 has positive acceleration, is thrown out under the action of centrifugal force, moves outwards under the guiding action of the second guide groove 22, when the complete gear 8 and the incomplete gear 10 are disengaged from the gear teeth, under the action of a third spring, the second stirring paddle 25 has negative acceleration, the second stirring paddle 25 starts to move back along the second guide groove 22 at multiple points, at the moment, the centrifugal force is gradually reduced, the second drag reduction rod 24 contacts with the second guide tooth 29 due to gravity to form pitch, and is provided with an auxiliary tooth 30, the second guide tooth 29 and the auxiliary tooth 30 form a Y shape, namely, the second drag reduction rod 24 can form contact to form swing pitch, so that the second stirring paddle 25 forms swing pitch, so that a dead zone of stirring is further eliminated, when the second guide tooth 29 is pressurized, the second guide tooth 29 can form rotation in the sliding groove 27 along with a slide block, thereby avoiding violent collision when the second drag reduction rod 24 moves, reducing collision abrasion with the second drag reduction rod 24 and prolonging the service life of the drag reduction rod;

when the complete gear 8 and the incomplete gear 10 keep the gear teeth engaged, the third stirring paddle 35 has positive acceleration, and is thrown out under the action of centrifugal force, and moves outwards under the guiding action of the third guide groove 36, the third guide strip 37 rotates towards the horizontal direction under the action of centrifugal force, so as to directly avoid the collision between the third guide teeth 38 and the third drag reduction rod 34, thereby reducing the collision abrasion with the third drag reduction rod 34, and prolonging the service life of the stirring paddle, when the complete gear 8 and the incomplete gear 10 are disengaged from the gear teeth, under the action of the fourth spring, the third stirring paddle 35 has negative acceleration, the third stirring paddle 35 starts to move back along the third guide groove 36, at the moment, the centrifugal force is gradually reduced, under the action of the fifth spring 40, the third guide strip 37 performs reset rotation, so that the third drag reduction rod 34 and the third guide teeth 38 are contacted, and the pitch with gradually reduced pitch is formed, thereby further eliminating the dead zone of agitation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.