Low-noise stirrer

Abstract

The invention relates to the technical field of stirrer equipment, and discloses and provides a low-noise stirrer, which comprises a stirring tank, the top of the stirring tank is provided with a pretreatment mechanism, and the pretreatment mechanism is used for carrying out pre-crushing treatment on materials; the pretreatment mechanism comprises a feeding box, two smashing rollers are rotationally arranged in the feeding box, and two rubber supporting pieces are fixedly connected to the inner wall of the feeding box. By arranging the stirring assembly in the stirring tank, the double-shaft motor can be used for driving the central stirring rod to rotate, so that the double-curved-surface impeller is driven to stir materials at the center of the stirring tank, and meanwhile, the surrounding stirring rods are driven to rotate at a low speed around the central stirring rod in the stirring tank; the materials are prevented from being dispersed and adsorbed to the inner wall of the stirring tank under the action of high-speed rotation of the central stirring rod, so that the materials are more uniformly distributed in the stirring tank, and the stirring effect on the materials is improved.

Description

Technical Field

[0001] The invention relates to the technical field of mixer equipment, in particular to a low-noise mixer. Background Art

[0002] Food blender is a common food processing equipment. It is a small machine that can blend, crush and mix a variety of ingredients, thereby processing food and ingredients. The working principle of the food blender is that the blade at the bottom of the blender cup rotates at high speed to drive the water flow. Under the action of the blade and the water flow, the fruits and vegetables are repeatedly crushed and fully mixed. Food blenders are widely used in the field of food processing.

[0003] However, the existing food mixers on the market still have some disadvantages in actual use, such as the noise and vibration generated by the mixer during operation are large, which easily disturbs people, causes the food mixer to run unstably, reduces the service life of the mixer accessories, and affects the quality of the product after mixing. Therefore, those skilled in the art provide a low-noise mixer to solve the problems raised in the above background technology. Summary of the invention

[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0005] The present invention provides a low-noise mixer, comprising: a mixing tank, a pre-treatment mechanism is arranged on the top of the mixing tank, and the pre-treatment mechanism is used to pre-crush materials; The pretreatment mechanism comprises a feed box, two crushing rollers are rotatably arranged inside the feed box, two rubber support sheets are fixedly connected to the inner wall of the feed box, and arc-shaped guide plates are fixedly arranged on the top ends of the two rubber support sheets; A stirring assembly is arranged inside the stirring tank, and the stirring assembly includes an annular linkage plate rotatably arranged on the upper surface of the stirring tank, a linkage gear ring is fixedly arranged on the outer surface of the annular linkage plate, the lower surface of the annular linkage plate extends to the interior of the stirring tank and is fixedly connected to a limited position fixing ring, a plurality of surrounding stirring rods are fixedly connected to the lower surface of the limited position fixing ring, a dual-axis motor is fixedly installed at the center position of the upper surface of the stirring tank, the bottom output end of the dual-axis motor extends to the interior of the stirring tank and is fixedly connected to a central stirring rod, the bottom end of the central stirring rod extends to the bottom of the stirring tank and is fixedly connected to a hyperbolic impeller.

[0006] By arranging a stirring assembly inside the stirring tank, a dual-shaft motor can be used to drive the central stirring rod to rotate, thereby driving the hyperbolic impeller to stir the material in the center of the stirring tank. The dual-shaft motor can simultaneously drive the transmission rods on both sides to rotate, and drive the annular linkage plate to rotate through the transmission gear, thereby driving a number of surrounding stirring rods to rotate around the central stirring rod inside the stirring tank at a low speed.

[0007] Preferably, the arc-shaped guide plate is located below the two crushing rollers, two square feed tubes are fixedly connected to the lower surface of the feed box, the bottom ends of the square feed tubes extend to the interior of the mixing tank, and the arc-shaped guide plate is located between the top feed ports of the two square feed tubes.

[0008] By adopting the above technical solution and providing an arc-shaped material guide plate, the crushed material can be diverted into two square feed tubes by the arc-shaped material guide plate, thereby diverting the material and preventing the material from clogging the feed port.

[0009] Preferably, a linkage shaft is rotatably arranged between the front and rear inner walls of the feed box, a movable cam is fixedly arranged on the surface of the linkage shaft, the position of the movable cam corresponds to the arc-shaped material guide plate, and the movable cam overlaps the bottom of the arc-shaped material guide plate.

[0010] By setting a movable cam, the arc-shaped material guide plate can be pushed up and down during the rotation of the movable cam, so that the arc-shaped material guide plate produces a vibration effect, which can vibrate the material and is conducive to the falling of the material.

[0011] By providing a pretreatment mechanism on the top of the mixing tank, the pretreatment mechanism can be used to pre-treat and crush the material, thereby reducing the particle size of the material, thereby reducing the collision force between large pieces of material and the mixing component, which helps to reduce the noise generated by the mixer during the mixing process.

[0012] Preferably, a mounting bracket is fixedly provided on the outside of the feed box, a drive motor is fixedly provided on the surface of the mounting bracket, one end of the linkage shaft extends to the outside of the feed box and is fixedly connected to the end of the output shaft of the drive motor, and a drive gear is fixedly connected to the surface of the output shaft of the drive motor.

[0013] Preferably, one end of the rotating shaft of the two crushing rollers extends to the outside of the feed box, and the surfaces of the rotating shafts of the two crushing rollers are respectively fixed with a first driven gear and a second driven gear, the driving gear is meshed with the first driven gear for transmission, and the first driven gear is meshed with the second driven gear.

[0014] Preferably, two feed baffles are fixedly provided on the upper surface of the feed box, the two feed baffles are symmetrically distributed above the crushing roller, and a discharge port is formed between the two feed baffles, and two strip-shaped inclined blocks are fixedly connected to the inner bottom wall of the feed box, and the positions of the strip-shaped inclined blocks correspond to the feed square tube.

[0015] Preferably, an annular limiting hole is provided on the surface of the mixing tank, the size of the annular limiting hole matches the annular linkage plate, the annular linkage plate is slidably connected to the inner wall of the annular limiting hole, the annular linkage plate rotates horizontally inside the annular limiting hole, and two reinforcing connecting plates are fixedly connected to the upper surface of the mixing tank, and the two ends of the reinforcing connecting plates are distributed on the inner and outer sides of the annular limiting hole.

[0016] Preferably, two transmission boxes are fixedly provided on the upper surface of the mixing tank, the inner bottom wall of the transmission box is rotatably connected to a transmission rod, a transmission gear is fixedly provided on the surface of the transmission rod, the transmission gear is meshed with a linkage gear ring, a driving rod is fixedly provided on the top output shaft of the dual-axis motor, two first synchronous wheels are fixedly installed on the surface of the driving rod, a second synchronous wheel is fixedly provided on the surface of the transmission rod, and a transmission belt is provided between the first synchronous wheel and the second synchronous wheel.

[0017] A dual-axis motor is used to drive a driving rod and a central stirring rod to rotate simultaneously. The driving rod drives two second synchronous wheels to rotate through two first synchronous wheels, thereby driving two transmission rods to rotate. The transmission rod drives the transmission gear to rotate, thereby driving the annular linkage plate to rotate. The annular linkage plate drives a number of surrounding stirring rods to perform circular motion inside the stirring tank, thereby utilizing a number of stirring blades to perform low-speed stirring on the inner wall area of ​​the stirring tank.

[0018] Preferably, a plurality of the surrounding stirring rods are evenly distributed around the central stirring rod in a ring array, and a plurality of stirring blades are fixedly arranged on the surface of the surrounding stirring rod.

[0019] By adopting the above technical solution, the surrounding stirring rod can be used to rotate in a circle inside the stirring tank, so as to perform low-speed stirring around the central stirring rod, reduce the eddy current generated on the material inside the stirring tank, and thus start the noise reduction effect.

[0020] Preferably, a noise reduction mechanism is provided at the bottom of the mixing tank, and the noise reduction mechanism includes a supporting bottom ring, and the upper surface of the supporting bottom ring is rotatably connected to four damping telescopic rods, and four rotating seats are fixedly provided at the bottom of the mixing tank, and the telescopic ends of the damping telescopic rods are rotatably connected to the surfaces of the rotating seats.

[0021] By adopting the above technical solution, the vibration generated by the mixing tank can be buffered and shock-absorbed by the damping telescopic rod during the operation of the mixing tank, thereby reducing the vibration generated by the mixing tank as a whole, thereby achieving the sound insulation and noise reduction effect of the mixing tank.

[0022] The beneficial effects of the present invention are: The low-noise mixer described in the present invention has a stirring assembly arranged inside the stirring tank, and can use a dual-shaft motor to drive the central stirring rod to rotate, thereby driving the hyperbolic impeller to stir the material in the center of the stirring tank, and the dual-shaft motor can simultaneously drive the transmission rods on both sides to rotate, and drive the annular linkage plate to rotate through the transmission gear, thereby driving a plurality of surrounding stirring rods to rotate around the central stirring rod inside the stirring tank at a low speed, thereby stirring the area close to the inner wall of the stirring tank, preventing the material from being dispersed and adsorbed to the inner wall of the stirring tank under the action of the high-speed rotation of the central stirring rod, making the material more evenly distributed in the stirring tank, and improving the stirring effect of the material.

[0023] The low-noise mixer described in the present invention has a pretreatment mechanism on the top of the mixing tank, which can be used to pre-treat and crush the material, thereby reducing the particle size of the material, thereby reducing the collision force between large pieces of material and the mixing component, which helps to reduce the noise generated by the mixer during the mixing process.

[0024] The low-noise mixer described in the present invention has a noise reduction mechanism at the bottom of the mixing tank, and can use four damping telescopic rods to support and limit the bottom of the mixing tank. During the operation of the mixing tank, the damping telescopic rods can be used to buffer and dampen the vibration generated by the mixing tank, thereby reducing the vibration generated by the mixing tank as a whole, thereby achieving the sound insulation and noise reduction effect of the mixing tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional front view structural schematic diagram of the present invention; Figure 2 It is a rear view structural schematic diagram of the pretreatment mechanism of the present invention; Figure 3 It is a schematic diagram of the front cross-section structure of the feed box of the present invention; Figure 4 It is a front view structural schematic diagram of the stirring assembly of the present invention; Figure 5 It is a schematic diagram of the structure of the dual-axis motor and the transmission rod of the present invention; Figure 6 It is a schematic diagram of the internal structure of the stirring tank of the present invention; Description of reference numerals: 1. Mixing tank; 2. Pretreatment mechanism; 3. Mixing assembly; 4. Annular limit hole; 5. Reinforced connecting plate; 6. Transmission box; 7. Transmission rod; 8. Transmission gear; 9. First synchronous wheel; 10. Second synchronous wheel; 11. Transmission belt; 12. Noise reduction mechanism; 13. Driving rod; 201, feed box; 202, crushing roller; 203, arc-shaped guide plate; 204, linkage shaft; 205, movable cam; 206, driving motor; 207, driving gear; 208, first driven gear; 209, second driven gear; 210, feed baffle; 211, strip-shaped inclined block; 212, rubber support sheet; 213, feed square tube; 301, annular linkage plate; 302, linkage gear ring; 303, limit fixing ring; 304, surrounding stirring rod; 305, double-axis motor; 306, central stirring rod; 307, hyperbolic impeller; 308, stirring blade; 1201, supporting bottom ring; 1202, damping telescopic rod. DETAILED DESCRIPTION

[0026] The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that the discussion of these embodiments is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Each example may omit, replace or add various processes or components as needed. In addition, the features described relative to some examples may also be combined in other examples. Example

[0027] The following is a further detailed description of the technical solution of the present invention in conjunction with the accompanying drawings and specific embodiments. Figures 1 to 6 The present application provides a low-noise mixer, comprising: a mixing tank 1, a pretreatment mechanism 2 is arranged on the top of the mixing tank 1, and the pretreatment mechanism 2 is used for pre-crushing the material.

[0028] Please refer to Figure 6 A noise reduction mechanism 12 is provided at the bottom of the mixing tank 1, and the noise reduction mechanism 12 includes a supporting bottom ring 1201, and the upper surface of the supporting bottom ring 1201 is rotatably connected with four damping telescopic rods 1202. Four rotating seats are fixedly provided at the bottom of the mixing tank 1, and the telescopic ends of the damping telescopic rods 1202 are rotatably connected with the surface of the rotating seat.

[0029] It is worth mentioning that, by providing a noise reduction mechanism 12 at the bottom of the mixing tank 1, the present invention can use four damping telescopic rods 1202 to support and limit the bottom of the mixing tank 1, and during the operation of the mixing tank 1, the damping telescopic rods 1202 can be used to buffer and reduce the vibration generated by the mixing tank 1, thereby reducing the vibration generated by the mixing tank 1 as a whole, and further achieving the sound insulation and noise reduction effect of the mixing tank 1.

[0030] It should be noted that a discharge pipe is fixedly provided at the bottom end of the mixing tank 1 , and a bottom cover is threadedly connected to the bottom of the discharge pipe. The staff can open the bottom cover of the discharge pipe and use the discharge pipe to discharge the material mixed in the mixing tank 1 .

[0031] Please refer to Figure 2 and Figure 3 The pretreatment mechanism 2 includes a feed box 201, and two crushing rollers 202 are rotatably arranged inside the feed box 201. Two rubber support sheets 212 are fixedly connected to the inner wall of the feed box 201, and arc-shaped guide plates 203 are fixedly arranged on the top ends of the two rubber support sheets 212.

[0032] By providing the rubber support sheet 212, the arc-shaped material guide plate 203 can be flexibly connected to the bottom of the feed box 201, thereby driving the arc-shaped material guide plate 203 to move up and down.

[0033] It should be noted that the arc-shaped guide plate 203 is located below the two crushing rollers 202 , and two feed square tubes 213 are fixedly connected to the lower surface of the feed box 201 . The bottom ends of the feed square tubes 213 extend to the interior of the mixing tank 1 , and the arc-shaped guide plate 203 is located between the top feed ports of the two feed square tubes 213 .

[0034] By providing the arc-shaped material guide plate 203, the crushed material can be diverted to the two square feed tubes 213 by the arc-shaped material guide plate 203, thereby diverting the material and preventing the material from clogging the feed port.

[0035] See also Figure 3 It should be noted that two feed baffles 210 are fixedly provided on the upper surface of the feed box 201, and the two feed baffles 210 are symmetrically distributed above the crushing roller 202, and a discharge port is formed between the two feed baffles 210, and two strip-shaped inclined blocks 211 are fixedly connected to the inner bottom wall of the feed box 201, and the position of the strip-shaped inclined blocks 211 corresponds to the feed square tube 213.

[0036] By providing the strip-shaped inclined block 211 , the strip-shaped inclined block 211 can be used to guide the material, so that the material can slide into the inside of the feeding square tube 213 more easily.

[0037] See also Figure 3It needs to be further explained that a linkage shaft 204 is rotatably arranged between the front and rear inner walls of the feed box 201, and a movable cam 205 is fixedly arranged on the surface of the linkage shaft 204. The position of the movable cam 205 corresponds to the arc-shaped guide plate 203, and the movable cam 205 overlaps with the bottom of the arc-shaped guide plate 203.

[0038] By providing the movable cam 205, the arc-shaped material guide plate 203 can be pushed to move up and down during the rotation of the movable cam 205, so that the arc-shaped material guide plate 203 produces a vibration effect, which can vibrate the material and facilitate the falling of the material.

[0039] See also Figure 2 It should be noted that a mounting frame is fixedly provided on the outside of the feed box 201, a driving motor 206 is fixedly provided on the surface of the mounting frame, one end of the linkage shaft 204 extends to the outside of the feed box 201 and is fixedly connected to the end of the output shaft of the driving motor 206, and a driving gear 207 is fixedly connected to the surface of the output shaft of the driving motor 206.

[0040] See also Figure 2 It should be further explained that one end of the rotating shaft of the two crushing rollers 202 extends to the outside of the feed box 201, and the surfaces of the rotating shafts of the two crushing rollers 202 are respectively fixed with a first driven gear 208 and a second driven gear 209, the driving gear 207 is meshed with the first driven gear 208 for transmission, and the first driven gear 208 and the second driven gear 209 are meshed with each other.

[0041] By setting up a driving motor 206, the driving motor 206 can be used to drive the linkage shaft 204 to rotate, and then drive the movable cam 205 to rotate, and then the movable cam 205 can be used to drive the arc guide plate 203 to vibrate up and down, and at the same time, it can drive the two crushing rollers 202 to rotate, thereby achieving material crushing and vibration feeding.

[0042] It is worth noting that by providing a pretreatment mechanism 2 on the top of the mixing tank 1, the pretreatment mechanism 2 can be used to pre-treat and crush the material, thereby reducing the particle size of the material, thereby reducing the collision force between large pieces of material and the mixing component 3, thereby helping to reduce the noise generated by the mixer during the mixing process.

[0043] Please refer to Figure 4 and Figure 6 A stirring assembly 3 is arranged inside the stirring tank 1, and the stirring assembly 3 includes an annular linkage plate 301 rotatably arranged on the upper surface of the stirring tank 1, a linkage gear ring 302 is fixedly arranged on the outer surface of the annular linkage plate 301, and the lower surface of the annular linkage plate 301 extends to the interior of the stirring tank 1 and is fixedly connected to a limited position fixing ring 303.

[0044] See also Figure 6It should be further explained that an annular limiting hole 4 is opened on the surface of the mixing tank 1, the size of the annular limiting hole 4 matches the annular linkage plate 301, the annular linkage plate 301 is slidably connected to the inner wall of the annular limiting hole 4, and the annular linkage plate 301 rotates horizontally inside the annular limiting hole 4. Two reinforcing connecting plates 5 are fixedly connected to the upper surface of the mixing tank 1, and the two ends of the reinforcing connecting plates 5 are distributed on the inner and outer sides of the annular limiting hole 4.

[0045] See also Figure 6 It should be noted that a dual-axis motor 305 is fixedly installed at the center position of the upper surface of the stirring tank 1, the bottom output end of the dual-axis motor 305 extends to the interior of the stirring tank 1, and is fixedly connected to a central stirring rod 306, the bottom end of the central stirring rod 306 extends to the bottom of the stirring tank 1, and is fixedly connected to a hyperbolic impeller 307.

[0046] See also Figure 5 It should be noted that two transmission boxes 6 are fixedly provided on the upper surface of the mixing tank 1, and the inner bottom wall of the transmission box 6 is rotatably connected to a transmission rod 7. A transmission gear 8 is fixedly provided on the surface of the transmission rod 7, and the transmission gear 8 is meshed with a linkage gear ring 302. A driving rod 13 is fixedly provided on the top output shaft of the dual-axis motor 305, and two first synchronous wheels 9 are fixedly installed on the surface of the driving rod 13. A second synchronous wheel 10 is fixedly provided on the surface of the transmission rod 7, and a transmission belt 11 is provided between the first synchronous wheel 9 and the second synchronous wheel 10.

[0047] See also Figure 4 and Figure 5 It should be further explained that a plurality of surrounding stirring rods 304 are fixedly connected to the lower surface of the limiting fixing ring 303 , and the plurality of surrounding stirring rods 304 are evenly distributed in a circular array around the central stirring rod 306 , and a plurality of stirring blades 308 are fixedly arranged on the surface of the surrounding stirring rod 304 .

[0048] It is worth mentioning that, by providing a stirring assembly 3 inside the stirring tank 1, the present invention can utilize a dual-axis motor 305 to drive the central stirring rod 306 to rotate, thereby driving the hyperbolic impeller 307 to stir the material at the center of the stirring tank 1, and the dual-axis motor 305 can simultaneously drive the transmission rods 7 on both sides to rotate, and drive the annular linkage plate 301 to rotate through the transmission gear 8, thereby driving a plurality of surrounding stirring rods 304 to rotate around the central stirring rod 306 inside the stirring tank 1 at a low speed, thereby stirring the area close to the inner wall of the stirring tank 1, avoiding the material from being dispersed and adsorbed to the inner wall of the stirring tank 1 under the high-speed rotation of the central stirring rod 306, making the material more evenly distributed in the stirring tank 1, and improving the stirring effect of the material.

[0049] Working principle: First, put the material into the feed box 201, use the drive motor 206 to drive the drive gear 207 to rotate, and then drive the first driven gear 208 to rotate, and the first driven gear 208 drives the second driven gear 209 to rotate, so that the first driven gear 208 and the second driven gear 209 rotate in opposite directions, and then drive the two crushing rollers 202 to squeeze and crush the material, so that the crushed material enters the mixing tank 1 through the two feeding square tubes 213, and then use the double-axis motor 305 to drive the drive rod 13 The driving rod 13 rotates simultaneously with the central stirring rod 306, and the driving rod 13 drives the two second synchronous wheels 10 to rotate through the two first synchronous wheels 9, thereby driving the two transmission rods 7 to rotate, and the transmission rod 7 drives the transmission gear 8 to rotate, thereby driving the annular linkage plate 301 to rotate, and the annular linkage plate 301 drives a number of surrounding stirring rods 304 to perform circular motion inside the stirring tank 1, so that a number of stirring blades 308 are used to stir the inner wall area of ​​the stirring tank 1 at a low speed, so as to cooperate with the central stirring rod 306 to improve the stirring effect on the material.

[0050] An example of the present specific implementation mode is described above, but the present embodiment is not limited to the above-mentioned specific implementation mode, which is merely illustrative and not restrictive. A person skilled in the art may make many forms inspired by the present embodiment, all of which are protected by the present embodiment.

Claims

1. A low noise mixer, characterized in that: include: A stirring tank (1), wherein a pretreatment mechanism (2) is arranged on the top of the stirring tank (1), and the pretreatment mechanism (2) is used to pre-crush the material; The pretreatment mechanism (2) comprises a feed box (201), two crushing rollers (202) are rotatably arranged inside the feed box (201), two rubber support sheets (212) are fixedly connected to the inner wall of the feed box (201), and arc-shaped guide plates (203) are fixedly arranged at the top ends of the two rubber support sheets (212); A stirring assembly (3) is arranged inside the stirring tank (1), and the stirring assembly (3) comprises an annular linkage plate (301) rotatably arranged on the upper surface of the stirring tank (1), a linkage gear ring (302) is fixedly arranged on the outer surface of the annular linkage plate (301), the lower surface of the annular linkage plate (301) extends to the inside of the stirring tank (1) and is fixedly connected to a limited position fixing ring (303), the lower surface of the limited position fixing ring (303) is fixedly connected to a plurality of surrounding stirring rods (304), a dual-axis motor (305) is fixedly installed at the center position of the upper surface of the stirring tank (1), the bottom output end of the dual-axis motor (305) extends to the inside of the stirring tank (1) and is fixedly connected to a central stirring rod (306), the bottom end of the central stirring rod (306) extends to the bottom of the stirring tank (1) and is fixedly connected to a hyperbolic impeller (307).

2. A low noise mixer according to claim 1, characterized in that: The arc-shaped material guide plate (203) is located below the two crushing rollers (202); the lower surface of the feed box (201) is fixedly connected to two feed square tubes (213); the bottom ends of the feed square tubes (213) extend into the interior of the stirring tank (1); and the arc-shaped material guide plate (203) is located between the top feed openings of the two feed square tubes (213).

3. A low noise mixer according to claim 1, characterized in that: A linkage shaft (204) is rotatably arranged between the front and rear inner walls of the feed box (201), and a movable cam (205) is fixedly arranged on the surface of the linkage shaft (204). The position of the movable cam (205) corresponds to the arc-shaped material guide plate (203), and the movable cam (205) overlaps the bottom of the arc-shaped material guide plate (203).

4. A low noise mixer according to claim 3, characterized in that: A mounting frame is fixedly provided on the outside of the feed box (201), a driving motor (206) is fixedly provided on the surface of the mounting frame, one end of the linkage shaft (204) extends to the outside of the feed box (201) and is fixedly connected to the end of the output shaft of the driving motor (206), and a driving gear (207) is fixedly connected to the surface of the output shaft of the driving motor (206).

5. A low noise mixer according to claim 4, characterized in that: One end of the rotating shafts of the two crushing rollers (202) extends to the outside of the feed box (201), and a first driven gear (208) and a second driven gear (209) are fixedly arranged on the surfaces of the rotating shafts of the two crushing rollers (202), respectively; the driving gear (207) is meshed with the first driven gear (208) for transmission, and the first driven gear (208) and the second driven gear (209) are meshed with each other.

6. A low noise mixer according to claim 3, characterized in that: Two feed baffles (210) are fixedly arranged on the upper surface of the feed box (201), the two feed baffles (210) are symmetrically distributed above the crushing roller (202), and a discharge port is formed between the two feed baffles (210), and two strip-shaped inclined blocks (211) are fixedly connected to the inner bottom wall of the feed box (201), and the position of the strip-shaped inclined blocks (211) corresponds to the feed square tube (213).

7. A low noise mixer according to claim 1, characterized in that: An annular limiting hole (4) is provided on the surface of the stirring tank (1), the size of the annular limiting hole (4) matches the annular linkage plate (301), the annular linkage plate (301) is slidably connected to the inner wall of the annular limiting hole (4), the annular linkage plate (301) rotates horizontally inside the annular limiting hole (4), and two reinforcing connecting plates (5) are fixedly connected to the upper surface of the stirring tank (1), and the two ends of the reinforcing connecting plates (5) are distributed on the inner and outer sides of the annular limiting hole (4).

8. A low noise mixer according to claim 1, characterized in that: Two transmission boxes (6) are fixedly arranged on the upper surface of the stirring tank (1); a transmission rod (7) is rotatably connected to the inner bottom wall of the transmission box (6); a transmission gear (8) is fixedly arranged on the surface of the transmission rod (7); the transmission gear (8) is meshed with a linkage gear ring (302); a driving rod (13) is fixedly arranged on the top output shaft of the dual-axis motor (305); two first synchronous wheels (9) are fixedly mounted on the surface of the driving rod (13); a second synchronous wheel (10) is fixedly arranged on the surface of the transmission rod (7); and a transmission belt (11) is arranged between the first synchronous wheel (9) and the second synchronous wheel (10).

9. A low noise mixer according to claim 1, characterized in that: A plurality of the surrounding stirring rods (304) are evenly distributed around the central stirring rod (306) in a ring array, and a plurality of stirring blades (308) are fixedly arranged on the surface of the surrounding stirring rod (304).

10. A low noise mixer according to claim 1, characterized in that: The bottom of the stirring tank (1) is provided with a noise reduction mechanism (12), the noise reduction mechanism (12) comprising a supporting bottom ring (1201), the upper surface of the supporting bottom ring (1201) being rotatably connected to four damping telescopic rods (1202), the bottom of the stirring tank (1) being fixedly provided with four rotating seats, the telescopic ends of the damping telescopic rods (1202) being rotatably connected to the surfaces of the rotating seats.

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