阅读说明：本技术 一种工业粉末冶金捏合机 (Industrial powder metallurgy kneading machine ) 是由 黄萍 于 2020-06-16 设计创作，主要内容包括：本发明公开了一种工业粉末冶金捏合机,包括底座和工作体,所述工作体的左右侧面均固定安装有支撑轴,所述支撑轴与所述底座相互靠近侧面转动连接,所述工作体内设有开口向上的捏合腔,所述捏合腔的内壁上固设有两个左右对称的隔离体,位于左侧所述隔离体的右侧面上滑动设有左部连接块,所述左部连接块的右侧面上转动设有辅助搅拌杆,位于右侧所述隔离体的左侧面上滑动设有右部连接块,所述右部连接块的左侧面上转动设有动力搅拌杆,本发明通过采用两个大小不同的矩形环形移动运动机构来控制两个搅拌杆在捏合腔内移动,以及在移动的同时进行自动转动,不仅能够提升搅拌杆在捏合腔内运动的区域。(The invention discloses an industrial powder metallurgy kneading machine, which comprises a base and a working body, wherein supporting shafts are fixedly arranged on the left side surface and the right side surface of the working body, the supporting shaft is rotatably connected with the side surface of the base close to each other, a kneading cavity with an upward opening is arranged in the working body, two bilaterally symmetrical isolating bodies are fixedly arranged on the inner wall of the kneading cavity, a left connecting block is arranged on the right side surface of the isolating body on the left side in a sliding manner, the right side surface of the left connecting block is rotatably provided with an auxiliary stirring rod, the left side surface of the right isolating body is slidably provided with a right connecting block, the left side surface of the right connecting block is rotatably provided with a power stirring rod, the invention adopts two rectangular ring-shaped moving motion mechanisms with different sizes to control the two stirring rods to move in the kneading cavity, and the stirring rod can automatically rotate while moving, so that the moving area of the stirring rod in the kneading cavity can be lifted.)

1. An industrial powder metallurgy kneader comprises a base and a working body, and is characterized in that: the left side and the right side of the working body are fixedly provided with support shafts, the support shafts are rotatably connected with the base through mutually approaching sides, a kneading cavity with an upward opening is arranged in the working body, two bilaterally symmetrical separators are fixedly arranged on the inner wall of the kneading cavity, a left connecting block is arranged on the right side of the separator on the left side in a sliding manner, an auxiliary stirring rod is rotatably arranged on the right side of the left connecting block, a right connecting block is slidably arranged on the left side of the separator on the right side, a power stirring rod is rotatably arranged on the left side of the right connecting block, kneading plates are fixedly arranged on the peripheries of the auxiliary stirring rod and the power stirring rod, a left control cavity and a right control cavity are arranged in the working body, the left control cavity is arranged on the left side of the kneading cavity, the right control cavity is arranged on the right side of the kneading cavity, and meshing cavities are arranged in the separators, the left control mechanism comprises two left moving rods which are symmetrically and fixedly arranged between the upper wall and the lower wall of the left control cavity in a front-back manner, a left sliding sleeve is slidably arranged on the periphery of the left moving rod, a driven sliding rod is fixedly arranged between the two left sliding sleeves, a left sliding block is slidably arranged on the periphery of the driven sliding rod, a left gear ring is fixedly arranged on the right wall of the left meshing cavity, teeth are arranged on the periphery of the left gear ring, a left annular cavity is formed in the isolator on the left side, the left annular cavity is communicated with the meshing cavity, a left bearing is slidably arranged on the inner wall of the left annular cavity, and the left extending part of the power stirring rod penetrates through the left bearing and the meshing cavity and extends into the left control cavity, the left side surface of the left gear ring is rotationally connected with the left sliding block, the left bearing is rotationally connected with the power stirring rod, a transmission gear is fixedly arranged on the periphery of the power stirring rod in the meshing cavity, and the transmission gear is meshed with teeth of the left gear ring; the right control mechanism comprises two right moving rods which are symmetrically and fixedly arranged between the upper wall and the lower wall of the right control cavity in a front-back manner, a right sliding sleeve is slidably arranged on the periphery of the right moving rod, a right sliding rod is fixedly arranged between the two right sliding sleeves, a right sliding block is slidably arranged on the periphery of the right sliding rod, a right gear ring is fixedly arranged on the right wall of the right meshing cavity on the right side, teeth are arranged on the periphery of the right gear ring, a right annular cavity is formed in the isolator on the right side, the right annular cavity is communicated with the meshing cavity, a right bearing is slidably arranged on the inner wall of the right annular cavity, and the right extending part of the auxiliary stirring rod penetrates through the right bearing and the meshing cavity and extends into the right control cavity, and its right flank with right part slider rotates to be connected, supplementary puddler with right part bearing rotates to be connected, is located in the meshing intracavity supplementary puddler periphery has set firmly rotary gear, rotary gear with the tooth meshing of right part ring gear.

2. An industrial powder metallurgy kneader according to claim 1, characterized in that: a short shaft is rotatably arranged on the left wall of the left control cavity, a first telescopic sleeve is fixedly arranged on the right side surface of the short shaft, a first spring cavity with an upward opening is arranged in the first telescopic sleeve, a left connecting rod is arranged on the inner wall of the first spring cavity in a sliding manner, a first spring is fixedly arranged between the bottom surface of the left connecting rod and the bottom wall of the first spring cavity, the upward extending part of the left connecting rod is hinged with the left side surface of the left sliding block, a driven shaft is rotatably arranged on the right wall of the right control cavity, a second telescopic sleeve is fixedly arranged on the left side surface of the driven shaft, a second spring cavity with an upward opening is arranged in the second telescopic sleeve, the inner wall of the second spring cavity is provided with a right connecting rod in a sliding mode, a second spring is fixedly mounted between the bottom surface of the right connecting rod and the bottom wall of the second spring cavity, and the upward extending part of the right connecting rod is hinged to the right side face of the right sliding block.

3. An industrial powder metallurgy kneader according to claim 2, characterized in that: the far sides of the left control cavity and the right control cavity are both provided with belt cavities, the short shaft and the driven shaft extend towards the belt cavities, the inner wall between the two belt cavities is rotatably provided with a cross shaft, the left extending part of the transverse shaft extends into the belt cavity on the left side, the right extending part of the transverse shaft penetrates through the belt cavity on the right side, and extends out of the outside, a driven gear is fixedly arranged on the right side surface of the belt, belt wheels are fixedly arranged on the peripheries of the transverse shaft, the short shaft and the driven shaft which are positioned in the belt cavity, a belt is arranged between the upper belt wheel and the lower belt wheel in a transmission connection way, a motor is fixedly embedded in the inner wall of the right side of the base, the left side surface of the motor is dynamically connected with a motor shaft, the left side of motor shaft sets firmly motor gear, driven gear with motor gear can mesh.

4. An industrial powder metallurgy kneader according to claim 3, characterized in that: and sealing strips are arranged on the inner walls of the left annular cavity and the right annular cavity in a sliding manner, the sealing strips are fixedly connected with the left bearing, and the sealing strips are fixedly connected with the right bearing.

5. An industrial powder metallurgy kneader according to claim 4, characterized in that: the pneumatic cylinder has been embedded to the upside inner wall of base, the top surface power connection of pneumatic cylinder is equipped with the hydraulic stem, the top surface of hydraulic stem with the bottom surface of working body is articulated, the slope of hydraulic stem sets up backward.

6. An industrial powder metallurgy kneader according to claim 5, characterized in that: a heater is fixedly embedded in the inner wall of the lower side of the kneading cavity.

Technical Field

The invention relates to the technical field of industrial equipment, in particular to an industrial powder metallurgy kneading machine.

Background

At present, the powder metallurgy technology is an advanced technology for manufacturing metal complex structure products at present, can solve a plurality of product structures which cannot be realized before, and has excellent material performance, and the powder metallurgy technology comprises a raw material mixing and kneading process, namely, metal powder and materials with certain proportions are mixed together, the requirements on a kneader are very high due to the very uniform mixing, and in the general kneader, due to large space, a stirring rod is difficult to mix the raw materials in all areas in the kneading process, so that the proportion of the raw materials after kneading is unbalanced, and finally the product quality is reduced.

Disclosure of Invention

The object of the present invention is to provide an industrial powder metallurgy kneader which overcomes the above-mentioned drawbacks of the prior art.

The industrial powder metallurgy kneader comprises a base and a working body, wherein a support shaft is fixedly arranged on each of the left side surface and the right side surface of the working body, the support shaft and the base are mutually close to each other and are rotatably connected, a kneading cavity with an upward opening is arranged in the working body, two bilaterally symmetrical isolating bodies are fixedly arranged on the inner wall of the kneading cavity, a left connecting block is slidably arranged on the right side surface of the isolating body on the left side, an auxiliary stirring rod is rotatably arranged on the right side surface of the left connecting block, a right connecting block is slidably arranged on the left side surface of the isolating body on the right side, a power stirring rod is rotatably arranged on the left side surface of the right connecting block, kneading plates are fixedly arranged on the peripheries of the auxiliary stirring rod and the power stirring rod, a left control cavity and a right control cavity are arranged in the working body, the left control cavity is arranged on the left side of the kneading cavity, the right control cavity is positioned on the right side of the kneading cavity, a meshing cavity is formed in the isolated body, a left control mechanism capable of controlling the power stirring rod to move around a rectangular route and rotate is arranged in the left control cavity, the left control mechanism comprises two left moving rods which are symmetrically and fixedly arranged between the upper wall and the lower wall of the left control cavity in a front-back mode, a left sliding sleeve is arranged on the periphery of the left moving rod in a sliding mode, a driven sliding rod is fixedly arranged between the two left sliding sleeves, a left sliding block is arranged on the periphery of the driven sliding rod in a sliding mode, a left gear ring is fixedly arranged on the right wall of the meshing cavity on the left side, teeth are arranged on the periphery of the left gear ring, a left annular cavity is formed in the isolated body on the left side, the left annular cavity is communicated with the meshing cavity, a left bearing is arranged on the inner wall of the left annular cavity in a sliding mode, and the left extending part of the power stirring rod penetrates through the left bearing and the meshing, the left bearing is connected with the power stirring rod in a rotating way, a transmission gear is fixedly arranged on the periphery of the power stirring rod in the meshing cavity and meshed with teeth of the left gear ring, a right control mechanism capable of controlling the auxiliary stirring rod to move around a rectangular route and rotate is arranged in the right control cavity, the right control mechanism comprises two right moving rods which are symmetrically and fixedly arranged between the upper wall and the lower wall of the right control cavity in a front-back manner, a right sliding sleeve is slidably arranged on the periphery of the right moving rod, a right sliding rod is fixedly arranged between the two right sliding sleeves, a right sliding block is slidably arranged on the periphery of the right sliding rod, a right gear ring is fixedly arranged on the right wall of the meshing cavity on the right side, and teeth are arranged on the periphery of the right gear ring, be located the right side seted up right part annular chamber in the isolator, right part annular chamber with the meshing chamber intercommunication, it is equipped with right part bearing to slide on the inner wall in right part annular chamber, supplementary puddler extends the part right and runs through right part bearing with the meshing chamber, and stretch into in the right part control chamber, and its right flank with right part slider rotates to be connected, supplementary puddler with right part bearing rotates to be connected, is located the meshing intracavity supplementary puddler has set firmly swing pinion in the periphery, swing pinion with the tooth meshing of right part ring gear.

In a further technical scheme, a short shaft is rotatably arranged on the left wall of the left control cavity, a first telescopic sleeve is fixedly arranged on the right side surface of the short shaft, a first spring cavity with an upward opening is arranged in the first telescopic sleeve, a left connecting rod is arranged on the inner wall of the first spring cavity in a sliding manner, a first spring is fixedly arranged between the bottom surface of the left connecting rod and the bottom wall of the first spring cavity, the upward extending part of the left connecting rod is hinged with the left side surface of the left sliding block, a driven shaft is rotatably arranged on the right wall of the right control cavity, a second telescopic sleeve is fixedly arranged on the left side surface of the driven shaft, a second spring cavity with an upward opening is arranged in the second telescopic sleeve, the inner wall of the second spring cavity is provided with a right connecting rod in a sliding mode, a second spring is fixedly mounted between the bottom surface of the right connecting rod and the bottom wall of the second spring cavity, and the upward extending part of the right connecting rod is hinged to the right side face of the right sliding block.

In the further technical proposal, the far sides of the left control cavity and the right control cavity are both provided with belt cavities, the short shaft and the driven shaft extend into the belt cavity, a transverse shaft is rotatably arranged in the inner wall between the two belt cavities, the left extending part of the transverse shaft extends into the belt cavity on the left side, the right extending part of the transverse shaft penetrates through the belt cavity on the right side, and extends out of the outside, a driven gear is fixedly arranged on the right side surface of the belt, belt wheels are fixedly arranged on the peripheries of the transverse shaft, the short shaft and the driven shaft which are positioned in the belt cavity, a belt is arranged between the upper belt wheel and the lower belt wheel in a transmission connection way, a motor is fixedly embedded in the inner wall of the right side of the base, the left side surface of the motor is dynamically connected with a motor shaft, the left side of motor shaft sets firmly motor gear, driven gear with motor gear can mesh.

According to the technical scheme, sealing strips are arranged on the inner walls of the left annular cavity and the right annular cavity in a sliding mode, the sealing strips are fixedly connected with the left bearing, and the sealing strips are fixedly connected with the right bearing.

According to the technical scheme, a hydraulic cylinder is fixedly embedded in the inner wall of the upper side of the base, a hydraulic rod is arranged on the top surface of the hydraulic cylinder in a power connection mode, the top surface of the hydraulic rod is hinged to the bottom surface of the working body, and the hydraulic rod is arranged obliquely backwards.

According to a further technical scheme, a heater is fixedly embedded in the inner wall of the lower side of the kneading cavity.

The invention has the beneficial effects that: according to the invention, the two stirring rods are controlled to move in the kneading cavity by adopting the two rectangular annular moving motion mechanisms with different sizes and automatically rotate while moving, so that the moving area of the stirring rods in the kneading cavity can be promoted, the stirring rods can contact more raw materials, the two stirring rods can be always positioned at the adjacent positions, meshing plates on the two different stirring rods can be mutually staggered and mixed to knead the raw materials, and the kneading efficiency and the uniform mixing effect are greatly improved.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a partial cross-sectional view taken in the direction B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is a left side elevational view of the left ring gear of the present invention;

FIG. 5 is a partial cross-sectional view taken in the direction of C-C of FIG. 1 in accordance with the present invention;

fig. 6 is an enlarged schematic view of the internal structure of the right control chamber in the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-6, an industrial powder metallurgy kneader according to an embodiment of the present invention includes a base 33 and a working body 11, wherein a support shaft 30 is fixedly installed on each of left and right sides of the working body 11, the support shaft 30 is rotatably connected to the base 33 close to each other, a kneading chamber 20 with an upward opening is provided in the working body 11, two bilaterally symmetric separators 16 are fixedly installed on an inner wall of the kneading chamber 20, a left connecting block 21 is slidably installed on a right side surface of the left separator 16, an auxiliary stirring rod 47 is rotatably installed on a right side surface of the left connecting block 21, a right connecting block 46 is slidably installed on a left side surface of the right separator 16, a power stirring rod 18 is rotatably installed on a left side surface of the right connecting block 46, kneading plates 19 are fixedly installed on outer peripheries of the auxiliary stirring rod 47 and the power stirring rod 18, a left control cavity 51 and a right control cavity 50 are formed in the working body 11, the left control cavity 51 is located on the left side of the kneading cavity 20, the right control cavity 50 is located on the right side of the kneading cavity 20, a meshing cavity 23 is formed in the isolating body 16, a left control mechanism 101 capable of controlling the power stirring rod 18 to move around a rectangular route and rotate is arranged in the left control cavity 51, the left control mechanism 101 comprises two left moving rods 49 which are symmetrically and fixedly arranged between the upper wall and the lower wall of the left control cavity 51 in a front-back manner, a left sliding sleeve 48 is slidably arranged on the periphery of the left moving rod 49, a driven sliding rod 14 is fixedly arranged between the two left sliding sleeves 48, a left sliding block 13 is slidably arranged on the periphery of the driven sliding rod 14, a left gear ring 22 is fixedly arranged on the right wall of the meshing cavity 23 on the left side, and teeth are arranged on the periphery of the left gear ring 22, a left annular cavity 25 is formed in the isolation body 16 on the left side, the left annular cavity 25 is communicated with the meshing cavity 23, a left bearing 17 is arranged on the inner wall of the left annular cavity 25 in a sliding manner, the left extending part of the power stirring rod 18 penetrates through the left bearing 17 and the meshing cavity 23 and extends into the left control cavity 51, the left side surface of the power stirring rod 18 is rotatably connected with the left slider 13, the left bearing 17 is rotatably connected with the power stirring rod 18, a transmission gear 15 is fixedly arranged on the periphery of the power stirring rod 18 in the meshing cavity 23, the transmission gear 15 is meshed with teeth of the left gear ring 22, a right control mechanism 102 capable of controlling the auxiliary stirring rod 47 to move around a rectangular route and rotate is arranged in the right control cavity 50, the right control mechanism 102 comprises two right moving rods 57 which are fixedly arranged between the upper wall and the lower wall of the right control cavity 50 in a front-back symmetrical manner, the periphery of the right moving rod 57 is provided with a right sliding sleeve 60 in a sliding manner, a right sliding rod 58 is fixedly arranged between the two right sliding sleeves 60, the periphery of the right sliding rod 58 is provided with a right sliding block 59 in a sliding manner, the right sliding sleeve is positioned on the right side, a right gear ring 45 is fixedly arranged on the right wall of the meshing cavity 23, the periphery of the right gear ring 45 is provided with teeth, the right gear ring 44 is positioned on the right side, a right annular cavity 44 is formed in the isolating body 16, the right annular cavity 44 is communicated with the meshing cavity 23, a right bearing 62 is slidably arranged on the inner wall of the right annular cavity 44, a right extending part of the auxiliary stirring rod 47 penetrates through the right bearing 62 and the meshing cavity 23 and extends into the right control cavity 50, the right side surface of the auxiliary stirring rod 47 is rotatably connected with the right sliding block 59, the auxiliary stirring rod 47 is rotatably connected with the right bearing 62, a rotary gear 63 is fixedly arranged on the periphery of the auxiliary stirring rod 47 positioned in the meshing cavity 23, the rotary gear 63 meshes with the teeth of the right ring gear 45.

In addition, in one embodiment, a short shaft 29 is rotatably disposed on the left wall of the left control chamber 51, a first telescopic sleeve 26 is fixedly disposed on the right side surface of the short shaft 29, a first spring chamber 27 with an upward opening is disposed in the first telescopic sleeve 26, a left connecting rod 12 is slidably disposed on the inner wall of the first spring chamber 27, a first spring 28 is fixedly disposed between the bottom surface of the left connecting rod 12 and the bottom wall of the first spring chamber 27, the upward extending portion of the left connecting rod 12 is hinged to the left side surface of the left slider 13, a driven shaft 56 is rotatably disposed on the right wall of the right control chamber 50, a second telescopic sleeve 53 is fixedly disposed on the left side surface of the driven shaft 56, a second spring chamber 54 with an upward opening is disposed in the second telescopic sleeve 53, a right connecting rod 52 is slidably disposed on the inner wall of the second spring chamber 54, a second spring 55 is fixedly disposed between the bottom surface of the right connecting rod 52 and the bottom wall of the second spring chamber 54, the upward extending portion of the right connecting rod 52 is hinged to the right side surface of the right slider 59, the second telescopic sleeve 53 can be driven by the rotation of the driven shaft 56 to rotate the right connecting rod 52, and then the right connecting rod 52 can drive the right slider 59 to move around a rectangular path on the peripheries of the right moving rod 57 and the right sliding rod 58, and the first telescopic sleeve 26 can drive the left connecting rod 12 to rotate by the rotation of the short shaft 29, so that the left connecting rod 12 can drive the left slider 13 to move around a rectangular path on the peripheries of the driven sliding rod 14 and the left moving rod 49, and further the power stirring rod 18 and the auxiliary stirring rod 47 can move around a rectangular path respectively, and the power stirring rod 18 and the auxiliary stirring rod 47 are always in close positions.

In addition, in an embodiment, belt chamber 31 has all been seted up to left part control chamber 51 with right part control chamber 50 keeps away from the side, minor axis 29 with driven shaft 56 to belt chamber 31 extension all stretches into in the belt chamber 31, two rotate in the inner wall between the belt chamber 31 and be equipped with cross axle 35, cross axle 35 extends to the left side extension and is located the left side in the belt chamber 31, cross axle 35 extends to the right side through being located the right side belt chamber 31 to stretch out the external world, and its right flank has set firmly driven gear 39, is located in belt chamber 31 cross axle 35, minor axis 29 with driven shaft 56 all has set firmly band pulley 34 in the periphery, two from top to bottom the transmission is connected between band pulley 34 and is equipped with belt 32, the solid motor 42 that has inlayed in the right side inner wall of base 33, the left flank power connection of motor 42 is equipped with motor shaft 41, a motor gear 40 is fixedly arranged on the left side surface of the motor shaft 41, the driven gear 39 can be meshed with the motor gear 40, the motor shaft 41 can drive the motor gear 40 to rotate through the operation of the motor 42, and when the driven gear 39 is meshed with the motor gear 40, the motor shaft 41 can drive the transverse shaft 35 to rotate, so that the belt 32 can drive the short shaft 29 and the driven shaft 56 to rotate simultaneously.

In addition, in one embodiment, a sealing strip 24 is slidably disposed on the inner wall of each of the left annular cavity 25 and the right annular cavity 44, the sealing strip 24 is fixedly connected to the left bearing 17, the sealing strip 24 is fixedly connected to the right bearing 62, the sealing strip 24 can isolate the passage between the meshing cavity 23 and the kneading cavity 20, when the power stirring rod 18 and the driven shaft 56 move around the rectangular path, the power stirring rod 18 and the auxiliary stirring rod 47 can be rotated by the left gear ring 22 and the right gear ring 45, and the kneading plate 19 can be further used for stirring and meshing raw materials.

In addition, in one embodiment, a hydraulic cylinder 36 is embedded in the inner wall of the upper side of the base 33, a hydraulic rod 38 is connected to the top surface of the hydraulic cylinder 36, the top surface of the hydraulic rod 38 is hinged to the bottom surface of the working body 11, the hydraulic rod 38 is disposed obliquely and backwards, and by the operation of the hydraulic cylinder 36, the hydraulic rod 38 can drive the working body 11 to tilt forwards, so that the driven gear 39 can be separated from the motor gear 40, and the raw materials can be poured out.

In addition, in one embodiment, a heater 37 is embedded in the lower inner wall of the kneading chamber 20, and heating is performed by the heater 37.

In the initial state, the driven gear 39 is engaged with the motor gear 40.

When in use, the second telescopic sleeve 53 can drive the right connecting rod 52 to rotate through the rotation of the driven shaft 56, then the right connecting rod 52 can drive the right sliding block 59 to move around a rectangular route on the peripheries of the right moving rod 57 and the right sliding rod 58, the first telescopic sleeve 26 can drive the left connecting rod 12 to rotate through the rotation of the short shaft 29, so that the left connecting rod 12 can drive the left sliding block 13 to move around a rectangular route on the peripheries of the driven sliding rod 14 and the left moving rod 49, so that the power stirring rod 18 and the auxiliary stirring rod 47 can respectively move around a rectangular route, the power stirring rod 18 and the auxiliary stirring rod 47 are always at adjacent positions, the motor shaft 41 can drive the motor gear 40 to rotate through the operation of the motor 42, when the driven gear 39 is meshed with the motor gear 40, the motor shaft 41 can drive the transverse shaft 35 to rotate, so that the belt 32 can drive the short shaft 29 and the driven shaft 56 to simultaneously rotate, the sealing strip 24 can isolate a channel between the meshing cavity 23 and the kneading cavity 20, when the power stirring rod 18 and the driven shaft 56 move around a rectangular path, the power stirring rod 18 and the auxiliary stirring rod 47 can rotate through the left gear ring 22 and the right gear ring 45, then the kneading plate 19 can stir and mesh raw materials, the hydraulic rod 38 can drive the working body 11 to topple forwards through the operation of the hydraulic cylinder 36, then the driven gear 39 can be separated from the motor gear 40, the raw materials can be poured out, and the heater 37 is fixedly embedded in the inner wall of the lower side of the kneading cavity 20.

The invention has the beneficial effects that: according to the invention, the two stirring rods are controlled to move in the kneading cavity by adopting the two rectangular annular moving motion mechanisms with different sizes and automatically rotate while moving, so that the moving area of the stirring rods in the kneading cavity can be promoted, the stirring rods can contact more raw materials, the two stirring rods can be always positioned at the adjacent positions, meshing plates on the two different stirring rods can be mutually staggered and mixed to knead the raw materials, and the kneading efficiency and the uniform mixing effect are greatly improved.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.