CN219701637U - Double-shaft stirrer - Google Patents

Abstract

The utility model relates to a double-shaft stirrer which comprises a placing frame, a stirring barrel, a supporting frame and a stirring device, wherein the stirring barrel is arranged on the placing frame, and the supporting frame is arranged on one side of the stirring barrel; the stirring device comprises a first stirring mechanism and a second stirring mechanism, wherein the first stirring mechanism is arranged on the supporting frame and used for stirring materials in the stirring barrel, the second stirring mechanism is arranged on the supporting frame, and the second stirring mechanism can be abutted against the inner side wall of the stirring barrel. The utility model has the effect of stirring.

Description

Double-shaft stirrer

Technical Field

The utility model relates to the technical field of stirring mechanisms, in particular to a double-shaft stirrer.

Background

The mixing of various materials requires the use of a stirrer.

At present, the chinese patent with publication number CN107649047a discloses a stirring barrel, which comprises a base, a barrel body, a stirring paddle and a motor, wherein the bottom of the barrel body is installed on the base through a spring, the motor is installed on the barrel body and is connected with the stirring paddle, the stirring paddle comprises a main shaft, a cross rod and a vertical rod, the main shaft is connected with a rotating shaft of the motor, the cross rod is installed on the main shaft, and the vertical rod is arranged at two ends of the cross rod. The vertical rods are arranged at the two ends of the cross rod, so that when the stirring paddles rotate, the cross rod can gradually stir the raw materials at the bottom and the upper end in the horizontal direction and then mix, and the vertical rods can directly stir and mix the raw materials in the barrel in the vertical direction.

When the material in the staving is comparatively more, there is the material and is in the position that is close to staving lateral wall always, and horizontal pole and montant can not stir the material that is close to staving lateral wall department, therefore stirring effect is relatively poor.

Disclosure of Invention

In order to improve the stirring effect, the utility model provides a double-shaft stirrer.

The utility model provides a double-shaft stirrer, which adopts the following technical scheme:

the double-shaft stirrer comprises a placing frame, a stirring barrel, a supporting frame and a stirring device, wherein the stirring barrel is arranged on the placing frame, and the supporting frame is arranged on one side of the stirring barrel; the stirring device comprises a first stirring mechanism and a second stirring mechanism, wherein the first stirring mechanism is arranged on the supporting frame and used for stirring materials in the stirring barrel, the second stirring mechanism is arranged on the supporting frame, and the second stirring mechanism can be abutted against the inner side wall of the stirring barrel.

Through adopting above-mentioned technical scheme, the second rabbling mechanism will pile up the material of being convenient for first rabbling mechanism in agitator inside wall department and be convenient for the position of stirring to, then first rabbling mechanism stirs the material in the agitator, makes the stirring effect of agitator better to can reduce the churning time and improve stirring efficiency; therefore, the stirring device can improve the stirring effect and the stirring efficiency.

Optionally, the first stirring mechanism includes a first stirring shaft, a stirring disc and a first driving component, the first stirring shaft is rotatably arranged on the supporting frame, and the stirring disc is arranged on the first stirring shaft and is positioned in the stirring barrel; the first driving component is arranged on the supporting frame and connected with the first stirring shaft.

Through adopting above-mentioned technical scheme, start first drive assembly, first drive assembly drives first (mixing) shaft and rotates, and first (mixing) shaft drives the agitator disk and rotates, and the agitator disk will stir the material that is located the agitator.

Optionally, the first driving assembly includes a first motor, a first belt pulley, a supporting block, a first rotating shaft, a second belt pulley, a third belt pulley, a fourth belt pulley, a first conveyor belt and a second conveyor belt, the first motor is arranged on the supporting frame, and the first belt pulley is arranged on an output shaft of the first motor; the supporting block is arranged on the supporting frame, the first rotating shaft is rotatably arranged on the supporting block, and the second belt pulley and the third belt pulley are both arranged on the first rotating shaft; the fourth belt pulley is arranged on the first stirring shaft; the first conveyor belt is sleeved on the first belt pulley and the second belt pulley; the second conveyor belt is sleeved on the third belt pulley and the fourth belt pulley.

Through adopting above-mentioned technical scheme, start first motor, the output shaft of first motor drives first belt pulley and rotates, and first belt pulley makes the second belt pulley rotate through first conveyer belt, and the second belt pulley drives first pivot and rotates, and first epaxial third belt pulley makes the fourth belt pulley rotate through the second conveyer belt, and the fourth belt pulley will drive first (mixing) shaft and rotate.

Optionally, the second stirring mechanism includes a second stirring shaft, a fixed block, a first fixed plate, a second fixed plate, a fixed ring, a first stirring block, a connecting component and a second driving component, the second stirring shaft is rotatably arranged on the supporting frame, and the fixed block is arranged at one end of the second stirring shaft far away from the supporting frame and is positioned in the stirring barrel; the first fixing plates are arranged in a plurality, the first fixing plates are arranged on the fixing blocks, and the second fixing plates are arranged on the first fixing plates; the second fixing plates are connected with the fixing rings; the first stirring block is connected to the second fixing plate through the connecting component and is abutted against the inner side wall of the stirring barrel, and an included angle between the first stirring block and the inner side wall of the stirring barrel is an acute angle; the second driving component is arranged on the supporting frame and connected with the second stirring shaft.

By adopting the technical scheme, the second driving assembly is started, the second driving assembly drives the second stirring shaft to rotate, the fixed block on the second stirring shaft drives the first fixed plate to move, the second fixed plate on the first fixed plate drives the first stirring block to move, and the first stirring block can enable materials stacked on the side wall of the stirring barrel to move to a position convenient for the first stirring mechanism to stir; the retainer plate that sets up can improve the stability of a plurality of second fixed plates in the agitator.

Optionally, the connecting assembly includes a first connecting block, a connecting screw, a connecting nut and a first limiting rod, two first connecting blocks are provided, the two first connecting blocks are fixedly arranged on the second fixing plate, and the two first connecting blocks are provided with first through holes; the first stirring block is positioned between the two first connecting blocks, and a second through hole is formed in the first stirring block; the connecting screw rod passes through the first through holes on the two first connecting blocks and the second through holes on the first stirring block; the two connecting nuts are in threaded connection with the connecting screw rod, and the two connecting nuts respectively abut against one side, away from each other, of the two first connecting blocks; the two first connecting blocks are respectively provided with a first limiting rod, and the two first limiting rods respectively abut against two sides of the first stirring block.

By adopting the technical scheme, the first stirring block is firstly placed between the two first connecting blocks, and the first limiting rods on the two first connecting blocks respectively abut against the two sides of the first stirring block; then one end of the connecting screw rod passes through the first through holes on the two first connecting blocks and the second through holes on the first stirring block; then, connecting the two connecting nuts with the connecting screw rod in a threaded manner; the coupling assembling that sets up not only can realize connecting first stirring piece on the second fixed plate, can reduce the rotation of first stirring piece moreover, and stability is higher.

Optionally, the first fixing plate is provided with a second stirring block which is abutted against the bottom wall of the stirring barrel, and an included angle between the second stirring block and the bottom wall of the stirring barrel is an acute angle; the first fixing plate is provided with a fixing component connected with the second stirring block.

By adopting the technical scheme, when the second stirring block connected to the first fixed plate through the fixed component moves on the first fixed plate, the second stirring block turns up the materials piled on the bottom wall of the stirring barrel, so that the first stirring mechanism can stir better; thereby improving the stirring effect.

Optionally, the fixing component includes two second connection blocks, fixing screws, fixing nuts and second limiting rods, the two second connection blocks are all arranged on the first fixing plate, and third through holes are all formed in the two second connection blocks; the second stirring blocks are positioned between the two second connecting blocks, and a fourth through hole is formed in each second stirring block; the fixed screw rod passes through the third through holes on the two second connecting blocks and the fourth through holes on the second stirring blocks; the two fixing nuts are in threaded connection with the fixing screw rod, and the two fixing nuts respectively abut against one side, away from each other, of the two second connecting blocks; the two second connecting blocks are respectively provided with a second limiting rod, and the two second limiting rods respectively abut against two sides of the second stirring block.

By adopting the technical scheme, the second stirring blocks are firstly placed between the two second connecting blocks, and the second limiting rods on the two second connecting blocks respectively prop against the two sides of the second stirring blocks; then one end of the fixed screw rod passes through the third through holes on the two second connecting blocks and the fourth through holes on the second stirring blocks; then, the two fixing nuts are in threaded connection with the fixing screw rod, and the two fixing nuts are abutted against two sides of the second stirring block; the second stirring rotation can be placed to the second restriction pole of setting, and the dead lever and the fixation nut of setting can realize connecting the second stirring piece on first fixed block.

Optionally, the second driving assembly includes a second motor, a fifth belt pulley, a speed reducer, a second rotating shaft, a third rotating shaft, a sixth belt pulley, a seventh belt pulley, an eighth belt pulley, a third conveyor belt and a fourth conveyor belt, the second motor is arranged on the supporting frame, and the fifth belt pulley is arranged on an output shaft of the second motor; the speed reducer is arranged on the supporting frame, the second rotating shaft is arranged at the input end of the speed reducer, and the third rotating shaft is arranged at the output end of the speed reducer; the sixth belt pulley is arranged on the second rotating shaft, the seventh belt pulley is arranged on the third rotating shaft, and the eighth belt pulley is arranged on the second stirring shaft; the third conveyor belt is sleeved on the fifth belt pulley and the sixth belt pulley; the fourth conveying belt is sleeved on the seventh belt pulley and the eighth belt pulley.

By adopting the technical scheme, the second motor is started, the output shaft of the second motor drives the fifth belt pulley to rotate, the fifth belt pulley drives the third conveying belt to move, the third conveying belt drives the sixth belt pulley to rotate, the sixth belt pulley drives the second rotating shaft to rotate, the third rotating shaft can rotate under the action of speed reduction, the eighth belt pulley on the third rotating shaft drives the fourth conveying belt to move, and the fourth conveying belt can enable the eighth belt pulley to drive the second stirring shaft to rotate.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the stirring device can improve the stirring effect and the stirring efficiency;

2. the coupling assembling that sets up not only can realize connecting first stirring piece on the second fixed plate, can reduce the rotation of first stirring piece moreover, and stability is higher.

Drawings

FIG. 1 is a schematic diagram of a dual shaft stirrer according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a first stirring mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a connecting assembly according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a fixing assembly according to an embodiment of the present utility model.

Reference numerals: 11. a placing rack; 12. a stirring barrel; 13. a support frame; 2. a first stirring mechanism; 21. a first stirring shaft; 22. a stirring plate; 23. a first drive assembly; 231. a first motor; 232. a first pulley; 233. a support block; 234. a first rotating shaft; 235. a second pulley; 236. a third pulley; 237. a fourth pulley; 238. a first conveyor belt; 239. a second conveyor belt; 3. a second stirring mechanism; 31. a second stirring shaft; 32. a fixed block; 33. a first fixing plate; 34. a second fixing plate; 35. a fixing ring; 36. a first stirring block; 37. a connection assembly; 371. a first connection block; 372. a connecting screw; 373. a coupling nut; 374. a first restriction lever; 38. a second drive assembly; 381. a second motor; 382. a fifth pulley; 383. a speed reducer; 384. a second rotating shaft; 385. a third rotating shaft; 386. a sixth pulley; 387. a seventh pulley; 388. an eighth pulley; 389. a third conveyor belt; 380. a fourth conveyor belt; 4. a second stirring block; 5. a fixing assembly; 51. a second connection block; 52. a fixed screw; 53. a fixing nut; 54. and a second restraining bar.

Description of the embodiments

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a double-shaft stirrer.

Referring to fig. 1, a dual-shaft mixer includes a rack 11, and a mixing tub 12 is provided on the rack 11; one side of the placing frame 11 is provided with a supporting frame 13, and the supporting frame 13 is provided with a stirring device.

Referring to fig. 1 and 2, the stirring device comprises a first stirring mechanism 2, the first stirring mechanism 2 comprises a first stirring shaft 21 rotatably connected to a supporting frame 13, one end, far away from the supporting frame 13, of the first stirring shaft 21 is fixedly connected with a stirring disc 22, and the stirring disc 22 is located in a stirring barrel 12. The support frame 13 is provided with a first driving assembly 23, the first driving assembly 23 comprises a first motor 231 fixedly connected to the support frame 13, and a first belt pulley 232 is connected to an output shaft of the first motor 231; the support frame 13 is fixedly connected with a support block 233, the support block 233 is rotatably connected with a first rotating shaft 234, and the first rotating shaft 234 is fixedly connected with a second belt pulley 235 and a third belt pulley 236; a fourth belt pulley 237 is fixedly connected to the first stirring shaft 21; a first belt 238 is sleeved on the first pulley 232 and the second pulley 235 together, and the first pulley 232 and the second pulley 235 are abutted against the first belt 238; a second belt 239 is commonly wrapped around the third pulley 236 and the fourth pulley 237, and the third pulley and the fourth pulley 237 are each abutted against the second belt 239.

The first motor 231 is started, the output shaft of the first motor 231 drives the first belt pulley 232 to rotate, the first belt pulley 232 drives the first conveying belt 238 to move, the first conveying belt 238 drives the second belt pulley 235 to rotate, the second belt pulley 235 drives the first rotating shaft 234 to rotate, the third belt pulley 236 on the first rotating shaft 234 rotates, the third belt pulley 236 drives the second conveying belt 239 to move, the second conveying belt 239 drives the fourth belt pulley 237 to rotate, the fourth belt pulley 237 drives the first stirring shaft 21 to rotate, and the first stirring shaft 21 drives the stirring disc 22 to move.

Referring to fig. 1 and 2, the support 13 is provided with a second stirring mechanism 3, and the second stirring mechanism 3 includes a second stirring shaft 31 rotatably connected to the support 13. The support frame 13 is provided with a second driving assembly 38, the second driving assembly 38 comprises a second motor 381 fixedly connected to the support frame 13, and a fifth belt pulley 382 is connected to an output shaft of the second motor 381; a speed reducer 383 is fixedly connected to the support frame 13, the input end of the speed reducer 383 is connected with a second rotating shaft 384, a sixth belt pulley 386 is fixedly connected to the second rotating shaft 384, a third conveying belt 389 is sleeved on the fifth belt pulley 382 and the sixth belt pulley 386 together, and the fifth belt pulley 382 and the sixth belt pulley 386 are abutted against the third conveying belt 389; the output end of the speed reducer 383 is connected with a third rotating shaft 385, and a seventh belt pulley 387 is fixedly connected to the third rotating shaft 385; the second stirring shaft 31 is fixedly connected with an eighth belt pulley 388, a fourth conveying belt 380 is sleeved on the seventh belt pulley 387 and the eighth belt pulley 388 together, and the seventh belt pulley 387 and the eighth belt pulley 388 are abutted against the fourth conveying belt 380.

The second motor 381 is started, the output shaft of the second motor 381 drives the fifth belt pulley 382 to rotate, the fifth belt pulley 382 drives the third belt pulley 389 to move, the third belt pulley 389 drives the sixth belt pulley 386 to rotate, the sixth belt pulley 386 drives the second rotating shaft 384 to rotate, the third rotating shaft 385 rotates under the action of speed reduction, the third rotating shaft 385 drives the eighth belt pulley 388 to rotate, the eighth belt pulley 388 drives the fourth belt pulley 380 to move, the fourth belt pulley 380 drives the eighth belt pulley 388 to rotate, and the eighth belt pulley 388 drives the second stirring shaft 31 to rotate.

Referring to fig. 1, 2 and 3, one end of the second stirring shaft 31 far away from the supporting frame 13 is fixedly connected with a fixed block 32, the fixed block 32 is positioned in the stirring barrel 12, the fixed block 32 is uniformly and fixedly connected with three first fixed plates 33 along the circumferential direction, the first fixed plates 33 are obliquely arranged on the fixed block 32, each first fixed plate 33 is connected with a fixed component 5, the fixed component 5 is provided with a second stirring block 4 which is abutted against the bottom wall of the stirring barrel 12, and an included angle between the second stirring block 4 and the bottom wall of the stirring barrel 12 is an acute angle; the end of each first fixing plate 33 far away from the fixing block 32 is fixedly connected with a second fixing plate 34; a fixed ring 35 is arranged in the stirring barrel 12, and one ends of the three second fixed plates 34, which are far away from the first fixed plates 33, are connected with the fixed ring 35; the second fixing plate 34 is provided with a connecting component 37, the connecting component 37 is provided with a first stirring block 36 which is abutted against the inner side wall of the stirring barrel 12, and an included angle between the first stirring block 36 and the inner side wall of the stirring barrel 12 is an acute angle.

When the second stirring shaft 31 rotates, the second stirring shaft 31 drives the fixed block 32 to rotate, the fixed block 32 drives the first fixed plate 33 to move, the first fixed plate 33 drives the second fixed plate 34 and the second stirring block 4 to move, and the second fixed plate 34 drives the first stirring block 36 to move.

Referring to fig. 3 and 4, the fixing assembly 5 includes two second connection blocks 51 fixedly connected to the first fixing plate 33, and a third through hole is formed in each of the two second connection blocks 51; the second stirring block 4 is positioned between the two second connecting blocks 51, and a fourth through hole is formed in the second stirring block 4; the second connecting blocks 51 are provided with fixing screws 52, the fixing screws 52 penetrate through third through holes in the two second connecting blocks 51 and fourth through holes in the second stirring block 4, and two ends of the fixing screws 52 are respectively positioned at one side, away from each other, of the two second connecting blocks 51; the two ends of the fixed screw 52 are connected with fixed nuts 53 in a threaded manner, and the two fixed nuts 53 respectively abut against the two second connecting blocks 51; the two second connecting blocks 51 are fixedly connected with a second limiting rod 54, the second stirring block 4 is located between the two second limiting rods 54, and the two second limiting rods 54 respectively abut against two sides of the second stirring block 4.

Firstly, placing the second stirring block 4 between the two second connecting blocks 51, and enabling second limiting rods 54 on the two second connecting blocks 51 to respectively abut against two sides of the second stirring block 4; then one end of the fixing screw 52 is made to pass through the third through holes on the two second connection blocks 51 and the fourth through holes on the second stirring block 4; then, the two fixing nuts 53 are connected with the fixing screw 52 in a threaded manner, and the two fixing nuts 53 respectively abut against the sides of the two second connecting blocks 51 away from each other.

Referring to fig. 3 and 4, the connection assembly 37 includes two first connection blocks 371 fixedly connected to the second fixing plate 34, and first through holes are formed in the two first connection blocks 371; the first stirring blocks 36 are positioned on the two first connecting blocks 371, and the first stirring blocks 36 are provided with second through holes; the first connecting blocks 371 are provided with connecting screws 372, the connecting screws 372 penetrate through first through holes in the two first connecting blocks 371 and second through holes in the first stirring block 36, and two ends of the connecting screws 372 are respectively positioned at one side, away from each other, of the two first connecting blocks 371; the connecting screw 372 is in threaded connection with two connecting nuts 373, and the two connecting nuts 373 respectively abut against one side, away from each other, of the two first connecting blocks 371; the two first connecting blocks 371 are fixedly connected with a first limiting rod 374, the first stirring block 36 is located between the two first limiting rods 374, and the two first limiting rods 374 respectively abut against two sides of the first stirring block 36.

First, the first stirring block 36 is placed between the two first connecting blocks 371, and the first limiting rods 374 on the two first connecting blocks 371 respectively abut against two sides of the first stirring block 36; then, one end of the connecting screw 372 passes through the first through holes on the two first connecting blocks 371 and the second through holes on the first stirring block 36; then, the two connecting nuts 373 are both in threaded connection with the connecting screw 372, and the two connecting nuts 373 respectively abut against the sides of the two first connecting blocks 371, which are far away from each other.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The double-shaft stirrer comprises a placing frame (11), a stirring barrel (12), a supporting frame (13) and a stirring device, wherein the stirring barrel (12) is arranged on the placing frame (11), and the supporting frame (13) is arranged on one side of the stirring barrel (12); the stirring device is characterized by comprising a first stirring mechanism (2) and a second stirring mechanism (3), wherein the first stirring mechanism (2) is arranged on the supporting frame (13) and is used for stirring materials in the stirring barrel (12), the second stirring mechanism (3) is arranged on the supporting frame (13), and the second stirring mechanism (3) can be abutted against the inner side wall of the stirring barrel (12).

2. A dual shaft mixer according to claim 1, characterized in that the first mixing mechanism (2) comprises a first mixing shaft (21), a mixing disc (22) and a first driving assembly (23), the first mixing shaft (21) being rotatably arranged on the support frame (13), the mixing disc (22) being arranged on the first mixing shaft (21) and being located in the mixing tub (12); the first driving component (23) is arranged on the supporting frame (13) and is connected with the first stirring shaft (21).

3. A dual shaft mixer according to claim 2, characterized in that the first drive assembly (23) comprises a first motor (231), a first pulley (232), a support block (233), a first shaft (234), a second pulley (235), a third pulley (236), a fourth pulley (237), a first conveyor belt (238) and a second conveyor belt (239), the first motor (231) being arranged on the support frame (13), the first pulley (232) being arranged on the output shaft of the first motor (231); the supporting block (233) is arranged on the supporting frame (13), the first rotating shaft (234) is rotatably arranged on the supporting block (233), and the second belt pulley (235) and the third belt pulley (236) are both arranged on the first rotating shaft (234); the fourth belt pulley (237) is arranged on the first stirring shaft (21); the first conveyor belt (238) is sleeved on the first belt pulley (232) and the second belt pulley (235); the second conveyor belt (239) is sleeved on the third belt pulley (236) and the fourth belt pulley (237).

4. A dual shaft mixer as claimed in claim 1, wherein the second mixer mechanism (3) comprises a second mixer shaft (31), a fixed block (32), a first fixed plate (33), a second fixed plate (34), a fixed ring (35), a first mixer block (36), a connecting assembly (37) and a second driving assembly (38), wherein the second mixer shaft (31) is rotatably arranged on the support frame (13), and the fixed block (32) is arranged at one end of the second mixer shaft (31) far away from the support frame (13) and is positioned in the mixing drum (12); the first fixing plates (33) are arranged in a plurality, the first fixing plates (33) are arranged on the fixing blocks (32), and the second fixing plates (34) are arranged on the first fixing plates (33); and a plurality of second fixing plates (34) are connected with the fixing ring (35); the first stirring block (36) is connected to the second fixing plate (34) through the connecting assembly (37), the first stirring block (36) is abutted against the inner side wall of the stirring barrel (12), and an included angle between the first stirring block (36) and the inner side wall of the stirring barrel (12) is an acute angle; the second driving component (38) is arranged on the supporting frame (13) and is connected with the second stirring shaft (31).

5. The dual-shaft stirrer according to claim 4, wherein the connecting assembly (37) comprises two first connecting blocks (371), two connecting screws (372), two connecting nuts (373) and a first limiting rod (374), the two first connecting blocks (371) are fixedly arranged on the second fixing plate (34), and the two first connecting blocks (371) are provided with first through holes; the first stirring blocks (36) are positioned between the two first connecting blocks (371), and a second through hole is formed in each first stirring block (36); the connecting screw rods (372) penetrate through first through holes in the two first connecting blocks (371) and second through holes in the first stirring blocks (36); the two connecting nuts (373) are arranged, the two connecting nuts (373) are in threaded connection with the connecting screw (372), and the two connecting nuts (373) respectively abut against one side, away from each other, of the two first connecting blocks (371); the two first connecting blocks (371) are respectively provided with a first limiting rod (374), and the two first limiting rods (374) respectively abut against two sides of the first stirring block (36).

6. A dual shaft mixer as claimed in claim 4, characterized in that the first fixing plate (33) is provided with a second mixing block (4) abutting against the bottom wall of the mixing drum (12), the angle between the second mixing block (4) and the bottom wall of the mixing drum (12) being an acute angle; the first fixing plate (33) is provided with a fixing component (5) connected with the second stirring block (4).

7. The dual-shaft stirrer according to claim 6, wherein the fixing assembly (5) comprises two second connecting blocks (51), fixing screws (52), fixing nuts (53) and second limiting rods (54), wherein the two second connecting blocks (51) are arranged on the first fixing plate (33), and the two second connecting blocks (51) are provided with third through holes; the second stirring blocks (4) are positioned between the two second connecting blocks (51), and a fourth through hole is formed in each second stirring block (4); the fixed screw rods (52) penetrate through the third through holes on the two second connecting blocks (51) and the fourth through holes on the second stirring blocks (4); the two fixing nuts (53) are arranged, the two fixing nuts (53) are in threaded connection with the fixing screw (52), and the two fixing nuts (53) respectively abut against one side, away from each other, of the two second connecting blocks (51); the two second connecting blocks (51) are respectively provided with a second limiting rod (54), and the two second limiting rods (54) respectively abut against two sides of the second stirring block (4).

8. The dual shaft mixer of claim 4, wherein the second drive assembly (38) includes a second motor (381), a fifth pulley (382), a speed reducer (383), a second shaft (384), a third shaft (385), a sixth pulley (386), a seventh pulley (387), an eighth pulley (388), a third conveyor belt (389), and a fourth conveyor belt (380), the second motor (381) being disposed on the support frame (13), the fifth pulley (382) being disposed on an output shaft of the second motor (381); the speed reducer (383) is arranged on the supporting frame (13), the second rotating shaft (384) is arranged at the input end of the speed reducer (383), and the third rotating shaft (385) is arranged at the output end of the speed reducer (383); the sixth belt pulley (386) is arranged on the second rotating shaft (384), the seventh belt pulley (387) is arranged on the third rotating shaft (385), and the eighth belt pulley (388) is arranged on the second stirring shaft (31); the third conveyor belt (389) is sleeved on the fifth belt pulley (382) and the sixth belt pulley (386); the fourth conveyor belt (380) is sleeved on the seventh belt pulley (387) and the eighth belt pulley (388).