A self-cleaning bamboo-plastic raw material mixing device

Abstract

The invention discloses a self-cleaning bamboo-plastic raw material mixing device, which belongs to the field of bamboo-plastic mixing processing, and comprises a mixing tank, wherein a tank cover is fixed on the top of the mixing tank, two feeding ports are penetrated through the upper surface of the tank cover, a mixing drum is rotatably connected inside the mixing tank, a base is provided at the lower part of the mixing tank, a middle seat is fixed on the upper surface of the base, and a motor is fixed inside the base. The invention is operated by a motor, a rotating shaft drives a stirring blade to stir the raw materials, and a spur gear transmission is used to rotate an auger rod, and materials precipitated at the bottom are transported upward through auger rods of different lengths, and discharged to different heights through a spiral discharge channel, so that the materials transported up by the auger rod can re-enter the mixing space at different heights and be mixed again with other materials being stirred by the stirring blades, so that materials at different positions can be fully contacted, thereby greatly improving the uniformity of mixing.

Description

Technical Field

[0001] The invention relates to the technical field of bamboo-plastic mixing processing, in particular to a self-cleaning bamboo-plastic raw material mixing device. Background Art

[0002] Bamboo plastic is a new type of composite material with good strength and toughness. It is mainly made by processing bamboo fiber (bamboo powder) and plastic through a specific process. Bamboo fiber is a natural fiber extracted from bamboo, which has the advantages of being renewable and degradable, while plastic provides good plasticity and durability.

[0003] The mixing of bamboo plastic raw materials is to put bamboo powder particles and plastic particles into the mixing equipment according to a certain ratio, and mix them thoroughly by stirring, conveying, etc. The uniformity of mixing has a great influence on the performance of bamboo plastic materials. Uneven mixing may cause the strength, toughness and other properties of the material to differ in different parts;

[0004] With the widespread application of bamboo plastic materials, the requirements for the mixing of bamboo plastic raw materials are becoming higher and higher. When mixing raw materials such as bamboo powder particles and plastic particles, traditional mixing devices have problems such as uneven mixing, sedimentation of materials at the bottom that makes it difficult to fully mix, and difficulty in cleaning after mixing. In addition, traditional mixing devices may simply stir on a plane or at a single height, which cannot effectively solve the problem of material accumulation at the bottom. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a self-cleaning bamboo-plastic raw material mixing device, which solves the problems raised in the above background technology.

[0006] Technical solution: To solve the above technical problems, according to one aspect of the present invention, more specifically, a self-cleaning bamboo plastic raw material mixing device comprises a mixing tank, a tank cover is fixed on the top of the mixing tank, two feed inlets are penetrated on the upper surface of the tank cover, a mixing drum is rotatably connected inside the mixing tank, a base is provided at the lower part of the mixing tank, a middle seat is fixed on the upper surface of the base, a motor is fixed inside the base, a rotating shaft is fixed on the top of the motor output shaft, the top of the rotating shaft penetrates the inner side of the mixing drum, a middle column is slidably connected inside the rotating shaft, the top of the middle column is rotatably connected to the lower surface of the tank cover through a bearing, and a liquid is fixed between the inside of the rotating shaft and the middle column. A pressure rod, four stirring blades are integrally formed on the outer surface of the rotating shaft, a discharge channel is opened above the inner wall of the mixing drum, a feed channel is opened below the inner wall of the mixing drum, a plurality of auger barrel cavities are opened on the inner surface of the feed channel, the interior of the auger barrel cavities are connected with the interior of the discharge channel, an auger rod is rotatably connected inside the auger barrel cavity, the bottom end of the auger rod penetrates through the lower surface of the mixing drum and is fixed with a spur gear 1, a plurality of rotating grooves are opened on the outer surface of the middle seat, a spur gear 2 is rotatably connected inside the rotating groove, a spur gear 3 is fixed on the outer surface of the rotating shaft inside the middle seat, the spur gear 3 is meshingly connected with the spur gear 2, and the spur gear 2 is meshingly connected with the spur gear 1.

[0007] Furthermore, the feed channel is internally rotatably connected with a plurality of transmission gears 1, the outer surface of the transmission gear 1 is respectively meshedly connected with a push frame 1 and a push frame 2, the push frame 1 and the push frame 2 are both slidably connected with the inside of the feed channel, the lower surface of the mixing drum is provided with a plurality of bottom grooves, the bottom end of the transmission gear 1 penetrates through the inner upper surface of the bottom groove, and is fixed with a bevel gear 1, the outer surface of the bevel gear 1 is meshedly connected with two bevel gears 2, the two bevel gears 2 are internally fixed with a shaft rod, and the transmission gear 1 is internally A wheel frame is fixed on the upper surface, the shaft rod is rotatably connected to the inner side of the wheel frame, a half gear is provided between the two bevel gears 2, the half gear is rotatably connected to the bottom of the wheel frame, the bottom end of the half gear penetrates through the lower surface of the wheel frame and is fixed with a spur gear 4, a plurality of tooth grooves 3 are provided on the outer surface of the middle seat, the spur gear 4 is meshingly connected with the tooth grooves 3, a through-type plate groove is provided on the upper surface of the pushing and squeezing frame 2, a baffle is fixed to the inner side of the pushing and squeezing frame 1, the baffle is located inside the plate groove and is slidably connected to the plate groove.

[0008] Furthermore, an annular tooth groove 1 is provided below the inner surface of the mixing tank, and the mixing tank is meshed and connected with the plurality of spur gears 1 through the tooth groove 1; tooth grooves 2 are provided on the inner sides of the first and second extrusion racks, and the first and second extrusion racks are meshed and connected with the transmission gear 1 through the tooth grooves 2;

[0009] The half gears are respectively matched with the two bevel gears.

[0010] Furthermore, the number of the transmission gear 1, the squeezing and pushing frame 1, the squeezing and pushing frame 2, and the bottom grooves are the same as the number of the auger cylinder cavities, and the transmission gear 1, the squeezing and pushing frame 1, and the squeezing and pushing frame 2 are located between two adjacent auger cylinder cavities.

[0011] Furthermore, the lengths of the plurality of auger rods are different, the discharge channel is in a spiral structure, and the interior of the discharge channel is connected to the top ends of the interiors of the plurality of auger barrel cavities respectively.

[0012] Furthermore, an inner cavity one is provided inside the stirring blade, an inner cavity two is provided above the stirring blade, the inner cavity one and the inner cavity two are both connected with the interior of the rotating shaft, the inner cavity one extends to the outer surface of the stirring blade at an end away from the rotating shaft, a cleaning plate is slidably connected to the inner cavity one, a tooth plate is slidably connected to the inner lower surface of the inner cavity two, the inner cavity two is connected with the inner cavity one, a transmission gear two is rotatably connected to the inner cavity one and the inner cavity two, a through guide groove is provided on the inner lower surface of the inner cavity two, the guide groove is connected with the inner cavity one, four guide rods are movably connected inside the guide groove, the four guide rods are divided into two groups, a door plate is fixed to the bottom ends of the two guide rods in each group, the two door plates are located inside the inner cavity one, the outer surfaces of the two guide rods on the outside are rotatably connected with a connecting rod one, the ends of the two connecting rods away from the guide rods are rotatably connected to the tooth plate, and a connecting rod two is rotatably connected between the cleaning plate and the center column.

[0013] Furthermore, tooth grooves four are provided on opposite sides of the tooth plate and the cleaning plate, and the tooth plate and the cleaning plate are meshed and connected with the transmission gear two through the tooth grooves four.

[0014] Furthermore, the guide groove is in a U-shaped structure, and fiber bristles are provided at one end of the cleaning plate away from the rotating shaft.

[0015] The beneficial effects of the self-cleaning bamboo-plastic raw material mixing device of the present invention are:

[0016] (1) The present invention is operated by a motor, and the rotating shaft drives the stirring blades to stir the raw materials. At the same time, the auger rod is rotated by a spur gear transmission, and the materials precipitated at the bottom are transported upward through auger rods of different lengths, and discharged to different heights through a spiral discharge channel, so that the materials transported up by the auger rod can re-enter the mixing space at different heights and be mixed again with other materials being stirred by the stirring blades, so that the materials at different positions can fully contact each other, greatly improving the uniformity of mixing;

[0017] When the mixing drum rotates, the spur gear No. 4 in the bottom groove meshes with the tooth groove No. 3, driving the half gear to rotate axially, and the half gear meshes with the two helical gear Nos. 2 for transmission, so that the squeezing and pushing rack No. 1 and the squeezing and pushing rack No. 2 continuously reciprocate relative to or opposite to each other, so that the raw materials in the feed channel can be better pushed into the auger barrel cavity by the squeezing and pushing of the squeezing and pushing rack, and the materials settled to the bottom can be better transported upward through the auger rod;

[0018] (2) During the use of the present invention, after the bamboo-plastic raw materials are mixed, the hydraulic rod is extended to push the middle column to move the tank cover, mixing tank, mixing drum and other structures upward, and the bottom of the mixing tank is opened, so that the mixed raw materials can be quickly discharged;

[0019] When the middle column rises, connecting rod two will push the cleaning plate to slide outward, and at the same time, the tooth plate will slide in the opposite direction through the transmission gear two. During the sliding process of the tooth plate, the door plate will move through connecting rod one and the guide rod, and finally the outer end of the cleaning plate will extend out and approach the inner wall of the mixing drum. The operation of the motor drives the stirring blade and the cleaning plate inside it to rotate, and then the raw material scum remaining on the inner wall of the mixing drum is brushed and wiped to make it fall and be discharged, thereby realizing the self-cleaning operation after mixing and discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0023] Figure 3 It is a schematic cross-sectional structural diagram of the mixing drum in the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the mixing drum and the base in the present invention;

[0025] Figure 5 It is a structural schematic diagram of the base and the middle seat in the present invention;

[0026] Figure 6 It is a schematic diagram of the top view of the structure of the present invention;

[0027] Figure 7 For the present invention Figure 6 Schematic diagram of the cross-sectional structure along the AA direction;

[0028] Figure 8 For the present invention Figure 7 The schematic diagram of the structure after the enlargement of B in the middle;

[0029] Fig. 9 For the present invention Figure 2 The schematic diagram of the structure after enlargement at C in the middle;

[0030] Fig.10 It is a schematic diagram of the internal structure of the mixing drum in the present invention;

[0031] Fig.11 For the present invention Fig.10 Schematic diagram of the top-down structure;

[0032] Fig.12 For the present invention Fig.11 Schematic diagram of the plane;

[0033] Fig.13 For the present invention Fig.12 The schematic diagram of the structure after the enlargement of D in the middle;

[0034] Fig.14 It is a schematic diagram of the internal structure of the stirring blade and the stirring drum in the present invention.

[0035] In the figure: 1. Mixing tank; 2. Tank cover; 3. Feeding port; 4. Mixing drum; 5. Base; 6. Middle seat; 7. Motor; 8. Rotating shaft; 9. Middle column; 10. Hydraulic rod; 11. Mixing blade; 12. Discharging channel; 13. Feeding channel; 14. Auger barrel cavity; 15. Auger rod; 16. Spur gear 1; 17. Tooth groove 1; 18. Rotating groove; 19. Spur gear 2; 20. Spur gear 3; 21. Push rack 1; 22. Push rack 2; 23. Transmission gear Wheel one; 24, bottom groove; 25, bevel gear one; 26, bevel gear two; 27, shaft; 28, wheel frame; 29, half gear; 30, spur gear four; 31, plate groove; 32, baffle; 33, tooth groove two; 34, tooth groove three; 35, inner cavity one; 36, inner cavity two; 37, cleaning plate; 38, tooth plate; 39, transmission gear two; 40, tooth groove four; 41, guide groove; 42, door plate; 43, guide rod; 44, connecting rod one; 45, connecting rod two. DETAILED DESCRIPTION

[0036] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0037] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] Reference Figure 1-14A self-cleaning bamboo plastic raw material mixing device comprises a mixing tank 1, a tank cover 2 is fixed on the top of the mixing tank 1, two feeding ports 3 are penetrated on the upper surface of the tank cover 2, a mixing drum 4 is rotatably connected inside the mixing tank 1, a base 5 is provided at the lower part of the mixing tank 1, a middle seat 6 is fixed on the upper surface of the base 5, a motor 7 is fixed inside the base 5, a rotating shaft 8 is fixed on the top of the output shaft of the motor 7, the top of the rotating shaft 8 penetrates the inner side of the mixing drum 4, a middle column 9 is slidably connected inside the rotating shaft 8, the top of the middle column 9 is rotatably connected to the lower surface of the tank cover 2 through a bearing, and a space between the inside of the rotating shaft 8 and the middle column 9 is provided. A hydraulic rod 10 is fixed to the same, four stirring blades 11 are integrally formed on the outer surface of the rotating shaft 8, a discharge channel 12 is opened on the upper inner wall of the mixing drum 4, a feed channel 13 is opened below the inner wall of the mixing drum 4, a plurality of auger barrel cavities 14 are opened on the inner surface of the feed channel 13, the interior of the auger barrel cavity 14 is connected to the interior of the discharge channel 12, an auger rod 15 is rotatably connected to the interior of the auger barrel cavity 14, the bottom end of the auger rod 15 penetrates the lower surface of the mixing drum 4, and a spur gear 16 is fixed, a plurality of rotating grooves 18 are opened on the outer surface of the middle seat 6, a spur gear 2 19 is rotatably connected to the interior of the rotating groove 18, and the rotating shaft 8 The outer surface is located inside the middle seat 6 and a spur gear 3 20 is fixed thereon. The spur gear 3 20 is meshed and connected with the spur gear 2 19. The spur gear 2 19 is meshed and connected with the spur gear 1 16. An annular tooth groove 17 is provided below the inner surface of the mixing tank 1. The bottom end of the tooth groove 17 extends to the lower surface of the mixing tank 1, so that the mixing tank 1 rises, and the spur gear 16 will not hinder it. The mixing tank 1 is meshed and connected with multiple spur gears 16 through the tooth groove 17. When in use, bamboo powder particles and plastic particles are respectively put into the device through the feed port 3. The motor 7 is operated to drive the rotating shaft 8 to drive the four stirring blades 1 1 stirs the raw materials, and at the same time, the auger rod 15 is rotated through the spur gear 2 19 and the spur gear 1 16, and the materials precipitated at the bottom are transported upward through the auger rods 15 of different lengths, and discharged to different heights through the discharge channel 12, so that the raw materials can be better mixed, and the rotating spur gear 1 16 will make the mixing drum 4 axially rotate through the meshing of the tooth groove 1 17, further improving the mixing efficiency; after mixing, the hydraulic rod 10 extends and pushes the middle column 9 to move the tank cover 2, the mixing tank 1, the mixing drum 4 and other structures upward, and the bottom of the mixing tank 1 is opened, so that the mixed raw materials can be quickly discharged;

[0039] The feed channel 13 is internally rotatably connected with a plurality of transmission gears 23, and the outer surfaces of the transmission gears 23 are respectively meshedly connected with a push frame 21 and a push frame 22, and the push frame 21 and the push frame 22 are both slidably connected with the inside of the feed channel 13. The lower surface of the mixing drum 4 is provided with a plurality of bottom grooves 24, and the bottom end of the transmission gear 23 penetrates through the inner upper surface of the bottom groove 24, and is fixed with a bevel gear 25, and the outer surface of the bevel gear 25 is meshedly connected with two bevel gears 26, and a shaft rod 27 is fixed inside the two bevel gears 26, and a wheel frame 28 is fixed on the inner upper surface of the transmission gear 23, and the shaft rod 27 is rotatably connected with the inner side of the wheel frame 28, and a half gear 29 is provided between the two bevel gears 26, and the half gear 29 is connected to the bottom of the wheel frame 28 Rotationally connected, the bottom end of the half gear 29 penetrates through the lower surface of the wheel frame 28, and is fixed with a spur gear 4 30. The outer surface of the middle seat 6 is provided with a plurality of tooth grooves 34, and the top of the tooth grooves 34 extends to the upper surface of the middle seat 6, so as to facilitate the upward sliding of the spur gear 4 30. The spur gear 4 30 is meshed with the tooth grooves 34. A through plate groove 31 is provided on the upper surface of the extrusion and push frame 22. A baffle 32 is fixed on the inner side of the extrusion and push frame 1 21. The baffle 32 is located inside the plate groove 31 and is slidably connected with the plate groove 31. Tooth grooves 23 are provided on the inner side of the extrusion and push frame 1 21 and the inner side of the extrusion and push frame 2 22. The extrusion and push frame 1 21 and the extrusion and push frame 2 22 are meshed with the transmission gear 1 23 through the tooth grooves 23. The half gear 29 is respectively adapted to the two bevel gears 26.

[0040] When the mixing drum 4 rotates axially, the internal structure rotates accordingly. At this time, the spur gear 4 30 inside the bottom groove 24 drives the half gear 29 to rotate axially due to the meshing operation of the tooth groove 3 34. During the continuous rotation of the half gear 29, it intermittently meshes with the two bevel gears 26 for transmission, and the bevel gear 1 25 and the transmission gear 1 23 are reciprocated through the two bevel gears 26. Under the meshing connection of the tooth groove 2 33, the extrusion and pushing frame 22 and the extrusion and pushing frame 1 21 continuously reciprocate relative to or opposite to each other, so that the raw materials inside the feed channel 13 can better enter the auger barrel cavity 14 under the extrusion and pushing of the extrusion and pushing frame, so that the materials settled to the bottom can be better transported upward through the auger rod 15, so as to improve the mixing efficiency.

[0041] Reference Figure 11-14 The number of transmission gear 1 23 , squeezing and pushing frame 1 21 , squeezing and pushing frame 2 2 and bottom groove 24 is the same as that of auger cylinder cavity 14 , and transmission gear 1 23 , squeezing and pushing frame 1 21 and squeezing and pushing frame 2 22 are located between two adjacent auger cylinder cavities 14 .

[0042] Reference Figure 2-14 The lengths of the plurality of auger rods 15 are all different, the discharge channel 12 is in a spiral structure, and the interior of the discharge channel 12 is connected to the top ends of the interiors of the plurality of auger barrel cavities 14 respectively.

[0043] Reference Figure 9-13The stirring blade 11 is provided with an inner cavity 1 35 extending through it, and an inner cavity 2 36 is provided above the stirring blade 11. The inner cavity 1 35 and the inner cavity 2 36 are both connected to the interior of the rotating shaft 8. The end of the inner cavity 1 35 away from the rotating shaft 8 extends to the outer surface of the stirring blade 11. A cleaning plate 37 is slidably connected to the inner cavity 1 35, and a tooth plate 38 is slidably connected to the lower surface of the inner cavity 2 36. The inner cavity 2 36 is connected to the inner cavity 1 35, and a transmission gear 2 39 is connected to the inner cavity 1 35 and the inner cavity 2 36 for common rotation. A through guide groove 41 is provided on the lower surface of the part, and the guide groove 41 is connected with the interior of the inner cavity 35. Four guide rods 43 are movably connected inside the guide groove 41. The four guide rods 43 are divided into two groups. The bottom ends of the two guide rods 43 in each group are fixed with a door plate 42. The two door plates 42 are both located inside the inner cavity 35. The outer surfaces of the two outer guide rods 43 are rotatably connected with a connecting rod 44. The ends of the two connecting rods 44 away from the guide rods 43 are rotatably connected with the tooth plate 38. A connecting rod 2 45 is rotatably connected between the cleaning plate 37 and the center column 9.

[0044] The tooth plate 38 and the cleaning plate 37 are provided with tooth grooves 40 on the opposite sides thereof, and the tooth plate 38 and the cleaning plate 37 are meshed and connected with the transmission gear 2 39 through the tooth grooves 40;

[0045] After the bamboo and plastic raw materials are mixed, the hydraulic rod 10 extends to push the middle column 9 to move the tank cover 2, the mixing tank 1, the mixing drum 4 and other structures upward, and the bottom of the mixing tank 1 is opened, so that the mixed raw materials can be discharged quickly. When the middle column 9 rises, the connecting rod 2 45 will push the cleaning plate 37 to slide outward, and at the same time, the transmission gear 2 39 drives the tooth plate 38 to slide in the opposite direction. During the sliding process of the tooth plate 38, the two connecting rods 1 44 and the two outer guide rods 43 are used to move the door plate 42. The two outer guide rods 43 will first The two door panels 42 are pulled into the slideways on both sides of the guide groove 41, and the door panels 42 are moved and tilted. The outer guide rods 43 are then used to pull the door panels 42 until the inner guide rods 43 enter the slideways on both sides. At this time, the two door panels 42 are opened to be close to the inner wall of the inner cavity 35. At the same time, the outer end of the cleaning plate 37 is extended to be close to the inner wall of the mixing drum 4. The motor 7 is operated to drive the stirring blade 11 and the cleaning plate 37 inside it to rotate, thereby brushing and wiping the raw material scum remaining on the inner wall of the mixing drum 4 to make it fall and be discharged.

[0046] Reference Fig.13 The guide groove 41 is of a U-shaped structure, and a fiber brush is provided at one end of the cleaning plate 37 away from the rotating shaft 8. When the door plate 42 is opened, the inner cavity 35 is connected with the inside of the mixing drum 4, and the cleaning plate 37 slides outward to make the fiber brush contact with the inner wall of the mixing drum 4. When the stirring blade 11 rotates, the cleaning plate 37 will clean the inner wall of the mixing drum 4 through the fiber brush, thereby achieving a self-cleaning operation after mixing and discharging.

[0047] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. A self-cleaning bamboo-plastic raw material mixing device, comprising a mixing tank (1), characterized in that: A tank cover (2) is fixed on the top of the mixing tank (1), and two feed ports (3) are formed through the upper surface of the tank cover (2). A mixing drum (4) is rotatably connected to the inside of the mixing tank (1). A base (5) is provided at the lower part of the mixing tank (1), and a middle seat (6) is fixed on the upper surface of the base (5). A motor (7) is fixed inside the base (5), and a rotating shaft (8) is fixed on the top of the output shaft of the motor (7). The top of the rotating shaft (8) passes through the inside of the mixing drum (4), and a middle column (9) is slidably connected to the inside of the rotating shaft (8). The top of the middle column (9) is rotatably connected to the tank cover. (2) The lower surface is rotatably connected via a bearing, a hydraulic rod (10) is fixed between the interior of the rotating shaft (8) and the middle column (9), four stirring blades (11) are integrally formed on the outer surface of the rotating shaft (8), a discharge channel (12) is provided above the inner wall of the mixing drum (4), a feed channel (13) is provided below the inner wall of the mixing drum (4), a plurality of auger barrel cavities (14) are provided on the inner surface of the feed channel (13), the interior of the auger barrel cavities (14) are all connected to the interior of the discharge channel (12), and an auger rod (15) is rotatably connected to the interior of the auger barrel cavity (14); The stirring blade (11) has an inner cavity (35) extending through it, and an inner cavity (36) is provided above the stirring blade (11). The inner cavity (35) and the inner cavity (36) are both connected to the interior of the rotating shaft (8). The end of the inner cavity (35) away from the rotating shaft (8) extends to the outer surface of the stirring blade (11). The inner cavity (35) is slidably connected to a cleaning plate (37). The inner cavity (36) has a gear plate (38) slidably connected to the lower surface of the inner cavity (38). The inner cavity (36) is connected to the inner cavity (35). The inner cavity (35) and the inner cavity (36) are connected to a transmission gear (39) for common rotation. The inner cavity (39) is connected to the inner cavity (35). 6) A through-type guide groove (41) is provided on the inner lower surface, the guide groove (41) is communicated with the interior of the inner cavity (35), four guide rods (43) are movably connected inside the guide groove (41), the four guide rods (43) are divided into two groups, the bottom ends of the two guide rods (43) in each group are fixed with a door plate (42), the two door plates (42) are both located inside the inner cavity (35), the outer surfaces of the two outer guide rods (43) are rotatably connected with a connecting rod (44), the ends of the two connecting rods (44) away from the guide rods (43) are rotatably connected with the tooth plate (38), and the cleaning plate (37) and the center column (9) are rotatably connected with a connecting rod (45).

2. A self-cleaning bamboo-plastic raw material mixing device according to claim 1, characterized in that: The bottom end of the auger rod (15) penetrates through the lower surface of the mixing drum (4) and is fixed with a spur gear 1 (16); a plurality of rotation grooves (18) are formed on the outer surface of the middle seat (6); a spur gear 2 (19) is rotatably connected inside the rotation groove (18); a spur gear 3 (20) is fixed on the outer surface of the rotating shaft (8) inside the middle seat (6); the spur gear 3 (20) is meshingly connected with the spur gear 2 (19), and the spur gear 2 (19) is meshingly connected with the spur gear 1 (16); The feed channel (13) is internally rotatably connected with a plurality of transmission gears (23). The outer surfaces of the transmission gears (23) are respectively meshedly connected with a first extrusion frame (21) and a second extrusion frame (22). The first extrusion frame (21) and the second extrusion frame (22) are both slidably connected with the inside of the feed channel (13). The lower surface of the mixing drum (4) is provided with a plurality of bottom grooves (24). The bottom end of the transmission gear (23) passes through the inner upper surface of the bottom grooves (24) and is fixed with a bevel gear (25). The outer surface of the bevel gear (25) is meshedly connected with two second bevel gears (26). The two second bevel gears (26) are internally fixed with a shaft rod (27). The inner upper surface of the transmission gear (23) is fixed with a wheel frame ( 28), the shaft (27) is rotatably connected to the inner side of the wheel frame (28), a half gear (29) is provided between the two bevel gears (26), the half gear (29) is rotatably connected to the bottom of the wheel frame (28), the bottom end of the half gear (29) penetrates through the lower surface of the wheel frame (28) and is fixed with a spur gear (30), the outer surface of the middle seat (6) is provided with a plurality of tooth grooves (34), the spur gear (30) is meshingly connected with the tooth grooves (34), the upper surface of the extrusion and pushing frame (22) is provided with a through plate groove (31), the inner side of the extrusion and pushing frame (21) is fixed with a baffle (32), the baffle (32) is located inside the plate groove (31) and is slidably connected with the plate groove (31).

3. A self-cleaning bamboo-plastic raw material mixing device according to claim 2, characterized in that: An annular tooth groove (17) is provided below the inner surface of the mixing tank (1), and the mixing tank (1) is meshedly connected with the plurality of spur gears (16) via the tooth groove (17); tooth grooves (33) are provided on the inner sides of the first extrusion and pushing frame (21) and the second extrusion and pushing frame (22), and the first extrusion and pushing frame (21) and the second extrusion and pushing frame (22) are meshedly connected with the transmission gear (23) via the tooth grooves (33); The half gear (29) is respectively matched with the two bevel gears (26).

4. The self-cleaning bamboo-plastic raw material mixing device according to claim 2, characterized in that: The number of the transmission gear 1 (23), the squeezing and pushing frame 1 (21), the squeezing and pushing frame 2 (22), and the bottom groove (24) is the same as the number of the auger cylinder chamber (14); the transmission gear 1 (23), the squeezing and pushing frame 1 (21), and the squeezing and pushing frame 2 (22) are located between two adjacent auger cylinder chambers (14).

5. The self-cleaning bamboo-plastic raw material mixing device according to claim 2, characterized in that: The lengths of the plurality of auger rods (15) are all different, the discharge channel (12) is in a spiral structure, and the interior of the discharge channel (12) is respectively connected to the top ends of the interiors of the plurality of auger barrel cavities (14).

6. The self-cleaning bamboo-plastic raw material mixing device according to claim 1, characterized in that: The tooth plate (38) and the cleaning plate (37) are provided with tooth grooves four (40) on opposite sides thereof, and the tooth plate (38) and the cleaning plate (37) are meshedly connected with the transmission gear two (39) via the tooth grooves four (40).

7. The self-cleaning bamboo-plastic raw material mixing device according to claim 1, characterized in that: The guide groove (41) is in a U-shaped structure, and a fiber brush is provided at one end of the cleaning plate (37) away from the rotating shaft (8).

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