A rubber premixing equipment

Abstract

The present invention provides a rubber premixing device, belonging to the technical field of rubber processing equipment. The rubber premixing device comprises a seat body, a driving mechanism, a supporting member and a mixing mechanism. The driving mechanism is located at one end of the mixing mechanism and is used to drive the mixing mechanism to operate. The supporting member is located at the other end of the mixing mechanism and is used to support the mixing mechanism so that the mixing mechanism itself can rotate. The mixing mechanism comprises a premixing member, a locking assembly, a scraping assembly, a polygonal column and an auger stirring member. A mixing bin is provided on one of the side walls of the premixing member parallel to the seat body. A mounting hole is provided on the inner wall of the mixing bin away from the supporting member. The polygonal column is rotatably installed on the inner wall of the mixing bin and one end thereof passes through the mounting hole and is transmission-connected with the driving mechanism. The scraping assembly is rotatably sleeved in the mounting hole. The auger stirring member is slidably sleeved on the polygonal column and spirally penetrates the scraping assembly, so that the rubber remaining on the surface of the auger stirring member can be cleaned up in time.

Description

Technical Field

[0001] The invention belongs to the technical field of rubber processing equipment, and in particular relates to a rubber premixing device. Background Art

[0002] The main function of the rubber premixing device is to evenly mix rubber particles, powder or other forms of raw materials with various additives, improve the efficiency of subsequent internal mixing, reduce mixing time, and thus improve the performance and quality of rubber products. In the premixing process, the compounding agent and raw rubber are usually put into the internal mixer, the feed port is sealed by the hydraulic device above the internal mixer, the internal mixer heats the internal mixing chamber, the raw materials are premixed under the action of the rotor, the hydraulic device opens the feed port, the premixed rubber is manually removed, and then the premixed rubber is placed in the open mixer for mixing.

[0003] A Chinese patent with authorization announcement number CN210590003U discloses a premixing kettle for special silicone rubber production, wherein a feed pipe is arranged at the upper end of the premixing kettle; a discharge pipe is arranged at the bottom of the premixing kettle, and a discharge valve is arranged on the discharge pipe; a motor connecting frame is arranged at the bottom of the premixing kettle, and a drive motor is arranged on the motor connecting frame; one end of a first connecting shaft is connected to the drive motor, and the other end thereof extends into the interior of the premixing kettle and is connected to a rotating sleeve; the rotating sleeve is rotatably arranged outside a connecting seat; the connecting seat is arranged inside the premixing kettle, and the bottom of the connecting seat is tangent to the inlet of the discharge pipe; and a stirring shaft is vertically connected to the rotating sleeve.

[0004] When the existing rubber premixing device unloads the material after mixing is completed, since the mixing and stirring mechanism is located in the mixing bin, the premixed rubber has high softness and adhesion and will adhere to the surface of the stirring mechanism, causing some rubber to remain on the surface of the rotor, resulting in incomplete unloading. The remaining rubber will be repeatedly processed, aged, and mixed in the raw materials of subsequent premixing processing, causing the quality of subsequent products to decline. Summary of the invention

[0005] The purpose of the present invention is to provide a rubber premixing device, aiming to solve the problem in the prior art that the premixed rubber in the rubber premixing device adheres to the surface of the stirring mechanism, causing some rubber to remain on the rotor surface, resulting in incomplete material discharge.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a rubber premixing device, comprising a base, a driving mechanism, a support member and a mixing mechanism, wherein the driving mechanism is located at one end of the mixing mechanism and is used to drive the mixing mechanism to operate, and the support member is located at the other end of the mixing mechanism and is used to support the mixing mechanism so that the mixing mechanism itself can rotate.

[0007] The mixing mechanism includes a premixer, a locking assembly, a scraper assembly, a polygonal column and an auger stirring element. A mixing chamber is provided on one of the side walls of the premixer parallel to the base body. A mounting hole is provided on the inner wall of the mixing chamber away from the support element. The polygonal column is rotatably mounted on the inner wall of the mixing chamber and one end passes through the mounting hole and is transmission-connected to the driving mechanism. The scraper assembly is rotatably sleeved in the mounting hole. The auger stirring element is slidably sleeved on the polygonal column and spirally penetrates the scraper assembly. The locking assembly is mounted on the outer wall of the premixer to control the rotation of the scraper assembly.

[0008] The scraping assembly includes a mounting plate, a limiting gear ring and a scraping plate. The scraping plate is fixedly mounted on one side of the mounting plate close to the mixing bin. The limiting gear ring is fixedly sleeved on the outer wall of the mounting plate and is coaxial therewith. The mounting plate and the scraping plate are both provided with auger holes along the axial direction of the mounting plate for the auger stirring member to pass through.

[0009] There are two mixing bins, which are respectively arranged on two side walls parallel to the premixer and the base body. The two mixing bins are centrally symmetrical and connected through mounting holes. The two ends of the multi-prism are respectively rotatably mounted on the inner walls of the two mixing bins.

[0010] There are two mounting holes, two polygonal columns and two auger stirring pieces. The two mounting holes are symmetrically arranged on both sides of the inner wall of the mixing bin. The two polygonal columns pass through the two mounting holes respectively. The two auger stirring pieces are slidably sleeved on the two polygonal columns respectively. There are four scraping assemblies and the four scraping assemblies are respectively located at the two ends of the two mounting holes.

[0011] An installation groove is provided in the middle of the installation hole, and brushes are fixedly installed on the top and bottom of the installation groove. Brushes are fixedly installed on the opposite sides of the two brushes for secondary cleaning of the auger stirring element after scraping by the scraper plate.

[0012] The effect is that after the premixing is completed, the auger stirring piece can be driven to pass through the scraping assembly, so that the scraping plate can scrape off the rubber adhered to the surface of the auger stirring piece, and the residual rubber on the surface of the auger stirring piece can be cleaned up in time, avoiding repeated processing of the residual rubber and aging.

[0013] The locking assembly includes a locking plate, a limiting shaft, an elastic member, an arcuate rack, and a driving member. The locking plate is arranged on the side wall of the premix and is parallel to the axis of the polygonal column. A protrusion corresponding to the scraping assembly and slidingly penetrating the premix is ​​provided on the side of the locking plate close to the premix, the arcuate rack is arranged on the protrusion of the locking plate and meshes with the limiting gear ring. After the limiting shaft slides through the locking plate, it is fixedly connected to the side wall of the premix. The elastic member is located on the side of the locking plate away from the premix and is sleeved on the limiting shaft. A fixing plate for fixing the elastic member is provided at the end of the limiting shaft. The driving member is located on the outer wall of the premix and is used to drive the locking plate away from the premix.

[0014] The driving part includes two hydraulic cylinders and a pressure block. The two hydraulic cylinders are fixed on the outer wall of the premix and are symmetrically arranged on both sides of the locking plate. The telescopic direction of the telescopic end of the hydraulic cylinder is perpendicular to the axis of the polygonal column. The pressure block is slidably arranged between the premix and the locking plate and is fixedly connected to the telescopic end of the hydraulic cylinder. The side of the pressure block close to the locking plate is an inclined surface.

[0015] The effect is that it can change the operating state of the auger stirring piece, so that it can switch between the two movement modes of rotating with the polygonal column or moving along the axial direction of the polygonal column, so that the device can complete the premixing of rubber raw materials and the cleaning of the surface of the auger stirring piece.

[0016] The outer wall of the premix is ​​fixed with an articulated shaft whose one end is rotatably sleeved on the support member. The driving mechanism also includes a mounting seat, a transmission box, a support shaft coaxial with the articulated shaft and a servo motor. The mounting seat is fixed on the seat body, and the transmission box is fixed on the outer wall of the premix. Two rotating shafts are rotatably installed in the transmission box, and one end of the two rotating shafts rotates through the transmission box and the premix and is fixedly connected to the two polygonal columns respectively. The outer walls of the two rotating shafts are fixedly connected with transmission gears and the two transmission gears are meshed with each other. One end of the support shaft is rotatably sleeved on the mounting seat, and the other end is fixedly mounted on the outer wall of the transmission box. The servo motor is arranged on the mounting seat to drive the support shaft to rotate or drive the polygonal column to rotate.

[0017] The effect is that the premixing part can rotate and the auger stirring part can move back and forth in the two mixing chambers, ensuring that when one mixing chamber is unloading, the other mixing chamber can continue stirring, thereby improving the mixing efficiency of the equipment.

[0018] The driving mechanism also includes a flip gear fixedly sleeved on the supporting shaft, a driven gear rotatably sleeved on the outer wall of one end of the supporting shaft close to the transmission box, a follower gear meshing with the driven gear, a transmission shaft provided with a keyway along the axial direction, and a slider slidably sleeved on the transmission shaft, one end of one of the rotating shafts is rotated to pass through the transmission box and is fixedly connected to the follower gear, the transmission shaft is parallel to the supporting shaft and is fixedly installed on the output shaft of the servo motor, a telescopic part for driving the slider to slide along the transmission shaft is fixedly provided on the mounting seat, a slot is provided on the top of the slider, a driving gear slidably sleeved on the transmission shaft is provided in the slot, a key sliding along the keyway is fixedly provided on the driving gear, a spur rack is fixedly provided on the top of the slider.

[0019] The effect is that it can drive the auger stirring element to move back and forth between the two mixing bins, so as to clean the auger stirring element and premix the raw materials. At the same time, the premixing element can be turned over, so that when one mixing bin is unloading, the other mixing bin can be premixed, thereby improving efficiency.

[0020] The sealing mechanism includes a bracket, a storage box, a sealing block and a telescopic pressure rod. A limit groove and two limit strips on both sides of the limit groove are provided on the top of the seat body. The limit strip and the limit groove are parallel to the axis of the polygonal column. The bracket is slidably installed on the top of the seat body along the limit strip. A telescopic push rod for driving the bracket to slide is installed in the limit groove. The storage box is located above the premix and is fixedly connected to the bracket. The sealing block is located in the storage box and the bottom slides through the storage box. The telescopic pressure rod is installed on the top of the storage box and the telescopic end slides through the storage box and is fixedly connected to the sealing block.

[0021] The effect is that the two mixing chambers can be sealed in turn according to needs, so that when the mixing chamber is unloading, the other mixing chamber can continue to stir, thereby improving the mixing efficiency of the equipment.

[0022] Compared with the prior art, the present invention has the following beneficial effects: After the rubber premixing is completed, the auger stirring piece can be driven to move back and forth between the two mixing bins, driving the auger stirring piece to pass through the scraping assembly, so as to clean the auger stirring piece and premix the raw materials, so that the scraping plate can scrape the rubber adhered to the surface of the auger stirring piece, and the residual rubber on the surface of the auger stirring piece can be cleaned up in time, avoiding repeated processing of the residual rubber and aging. At the same time, the premixed piece can be turned over, so that when one mixing bin is unloading, the other mixing bin can be premixed, which improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a structural schematic diagram of the rubber premixing equipment of the present invention; Figure 2 It is a front cross-sectional schematic diagram of the mixing mechanism in the present invention; Figure 3 is a top cross-sectional schematic diagram of the mixing mechanism in the present invention; Figure 4 It is a schematic diagram of the matching structure of the scraping component and the brushing component in the present invention; Figure 5 It is a structural schematic diagram of the scraping component in the present invention; Figure 6 It is a structural schematic diagram of the driving mechanism in the present invention; Figure 7 It is a schematic diagram of the structure of the driving member in the present invention; Figure 8 It is a side cross-sectional schematic diagram of the mixing mechanism in the present invention; Fig. 9 It is a schematic cross-sectional view of the installation of the scraping component in the present invention; Fig.10 It is a structural schematic diagram of the sealing mechanism in the present invention.

[0024] In the figure: 1, seat body; 11, limit strip; 12, limit slot; 13, telescopic push rod; 2, mixing mechanism; 21, premixing element; 22, mixing chamber; 23, mounting hole; 231, mounting slot; 24, locking assembly; 241, locking plate; 242, limit shaft; 243, elastic element; 244, arc-shaped rack; 245, hydraulic cylinder; 246, pressing block; 25, scraping assembly; 251, mounting plate; 252, limit gear ring; 253, scraping plate; 254, auger hole; 26, brushing element; 261, brush; 27. Polygonal column; 28. Auger stirring element; 29. ​​Articulated shaft; 3. Driving mechanism; 31. Mounting seat; 32. Transmission box; 321. Rotating shaft; 322. Transmission gear; 33. Support shaft; 34. Flipping gear; 35. Driven gear; 36. Follower gear; 37. Servo motor; 38. Transmission shaft; 39. Slider; 391. Telescopic element; 392. Driving gear; 393. Straight rack; 4. Sealing mechanism; 41. Bracket; 42. Storage box; 43. Sealing block; 44. Telescopic pressure rod; 5. Support element. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 10 The present invention provides the following technical solutions: a rubber premixing device, comprising a base body 1 and a mixing mechanism 2, a driving mechanism 3, a sealing mechanism 4 and a supporting member 5 installed on the base body 1, wherein the driving mechanism 3 is located at one end of the mixing mechanism 2 and is used to drive the mixing mechanism 2 to operate, the sealing mechanism 4 is located above the mixing mechanism 2 and is used to seal the premix of the mixing mechanism 2, and the supporting member 5 is located at the other end of the mixing mechanism 2 and is used to support the mixing mechanism 2.

[0027] refer to Figure 2-Figure 5As shown, the mixing mechanism 2 includes a premix 21, a locking assembly 24, a scraping assembly 25, a polygonal column 27, an auger stirring member 28 and a hinge shaft 29. The premix 21 is arranged in the air above the base 1. The hinge shaft 29 is rotatably sleeved on the support member 5 and one end is fixedly connected to the premix 21. The axis of the hinge shaft 29 coincides with the center line of the premix 21 in the horizontal direction. A mixing chamber 22 is provided on one of the side walls parallel to the base 1. A mounting hole 23 is provided on the inner wall of the mixing chamber 22 away from the hinge shaft 29. The polygonal column 27 is rotatably mounted on the inner wall of the mixing chamber 22 and one end passes through the mounting hole 23 and is transmission-connected with the driving mechanism 3. The scraping assembly 25 is rotatably sleeved in the mounting hole 23. The auger stirring member 28 is slidably sleeved on the polygonal column 27 and spirally penetrates the scraping assembly 25. The locking assembly 24 is mounted on the outer wall of the premix 21 to control the rotation of the scraping assembly 25.

[0028] The scraping assembly 25 includes a mounting plate 251, a limiting gear ring 252 and a scraping plate 253. The scraping plate 253 is fixedly mounted on one side of the mounting plate 251 close to the mixing chamber 22. The limiting gear ring 252 is fixedly sleeved on the outer wall of the mounting plate 251 and is coaxial therewith. The mounting plate 251 and the scraping plate 253 are both provided with auger holes 254 along the axial direction of the mounting plate 251 for the auger stirring member 28 to pass through.

[0029] There are two mixing bins 22, and the two mixing bins 22 are respectively arranged on the two side walls parallel to the premixer 21 and the base body 1. The two mixing bins 22 are centrally symmetrically arranged and connected through the mounting hole 23. The two ends of the polygonal column 27 are respectively rotatably mounted on the inner walls of the two mixing bins 22. There are two scraping assemblies 25, and the two scraping assemblies 25 are respectively located at the two ends of the mounting hole 23.

[0030] There are two mounting holes 23 , two polygonal columns 27 and two auger stirring members 28 . The two mounting holes 23 are symmetrically arranged on both sides of the inner wall of the mixing bin 22 . The two polygonal columns 27 pass through the two mounting holes 23 respectively. The two auger stirring members 28 are slidably sleeved on the two polygonal columns 27 respectively.

[0031] A mounting groove 231 is provided in the middle of the mounting hole 23 , and brushes 26 are fixedly installed on the top and bottom of the mounting groove 231 . Brushes 261 are fixedly installed on opposite sides of the two brushes 26 for secondary cleaning of the auger stirring element 28 after being scraped by the scraper plate 253 .

[0032] refer to Figure 3 , Figure 8 and Fig. 9As shown, the locking assembly 24 includes a locking plate 241, a limiting shaft 242, an elastic member 243, an arcuate rack 244, and a driving member. The locking plate 241 is arranged on the side wall of the premix 21 and is parallel to the axis of the polygonal column 27. The locking plate 241 is provided with a protrusion corresponding to the scraping assembly 25 and slidingly passing through the premix 21 on the side close to the premix 21. The arcuate rack 244 is arranged on the protrusion of the locking plate 241 and meshes with the limiting gear ring 252. The limiting shaft 242 slides through the locking plate 241 and is fixedly connected to the side wall of the premix 21. The elastic member 243 is located on the side of the locking plate 241 away from the premix 21 and is sleeved on the limiting shaft 242. The end of the limiting shaft 242 is provided with a fixing plate for fixing the elastic member 243. The driving member is located on the outer wall of the premix 21 and is used to drive the locking plate 241 away from the premix 21.

[0033] The driving member includes a hydraulic cylinder 245 and a pressure block 246. The hydraulic cylinder 245 can be one or two. In this embodiment, two hydraulic cylinders are preferably used. The two hydraulic cylinders 245 are fixed on the outer wall of the premix 21 and are symmetrically arranged on both sides of the locking plate 241. The telescopic direction of the telescopic end of the hydraulic cylinder 245 is perpendicular to the axis of the polygonal column 27. The pressure block 246 is slidably arranged between the premix 21 and the locking plate 241 and is fixedly connected to the telescopic end of the hydraulic cylinder 245. The side of the pressure block 246 close to the locking plate 241 is an inclined surface.

[0034] The driving member may also be a low-speed motor, the output shaft of which extends between the premixing member 21 and the locking plate 241 and is rotatably mounted with a cam.

[0035] refer to Figure 3 , Figure 6 and Figure 7 As shown, the driving mechanism 3 includes a mounting seat 31, a transmission box 32, a support shaft 33 and a servo motor 37. The mounting seat 31 is fixedly mounted on the seat body 1, and the transmission box 32 is fixedly mounted on the outer wall of the premix 21. Two rotating shafts 321 are rotatably mounted in the transmission box 32, and one end of the two rotating shafts 321 rotates through the transmission box 32 and the premix 21 and is fixedly connected to the two polygonal columns 27 respectively. The outer walls of the two rotating shafts 321 are fixedly connected with transmission gears 322, and the two transmission gears 322 are meshed with each other. One end of the support shaft 33 is rotatably sleeved on the mounting seat 31, and the other end is fixedly mounted on the outer wall of the transmission box 32. The servo motor 37 is arranged on the mounting seat 31 to drive the support shaft 33 to rotate or drive the polygonal column 27 to rotate.

[0036] The driving mechanism 3 also includes a flip gear 34 fixedly sleeved on the support shaft 33, a driven gear 35 rotatably sleeved on the outer wall of one end of the support shaft 33 close to the transmission box 32, a follower gear 36 meshing with the driven gear 35, a transmission shaft 38, a slider 39, a telescopic member 391, a driving gear 392 and a spur rack 393, one end of a rotating shaft 321 rotates through the transmission box 32 and is fixedly connected to the follower gear 36, the transmission shaft 38 is parallel to the support shaft 33 and is fixedly installed on the output shaft of the servo motor 37, and the slider 39 slides The telescopic member 391 is sleeved on the transmission shaft 38, and is arranged on the mounting seat 31 to drive the slider 39 to slide along the transmission shaft 38. A slot is provided on the top of the slider 39. The driving gear 392 is slidably sleeved on the transmission shaft 38 and is located in the slot of the slider 39. The outer wall of the transmission shaft 38 is provided with a keyway along its axial direction. A key fixedly connected to the driving gear 392 is slidably installed in the keyway. The spur rack 393 is arranged on the top of the slider 39. When the driving gear 392 is engaged with the driven gear 35, the spur rack 393 is engaged with the flip gear 34.

[0037] refer to Figure 1 and Fig.10 As shown, the sealing mechanism 4 includes a bracket 41, a storage box 42, a sealing block 43 and a telescopic pressure rod 44. A limiting groove 12 and two limiting bars 11 on both sides of the limiting groove 12 are provided on the top of the base body 1. The limiting bars 11 and the limiting groove 12 are parallel to the axis of the polygonal column 27. The bracket 41 is slidably installed on the top of the base body 1 along the limiting bar 11. A telescopic push rod 13 for driving the bracket 41 to slide is installed in the limiting groove 12. The storage box 42 is located above the premix 21 and is fixedly connected to the bracket 41. The sealing block 43 is located in the storage box 42 and the bottom slides through the storage box 42. The telescopic pressure rod 44 is installed on the top of the storage box 42 and the telescopic end slides through the storage box 42 and is fixedly connected to the sealing block 43.

[0038] The implementation principle of the embodiment of the present invention is as follows: when premixing rubber, the raw materials are placed in the mixing bin 22, and then the telescopic pressure rod 44 is started to drive the sealing block 43 to descend, thereby sealing the mixing bin 22. At the same time, the telescopic end of the hydraulic cylinder 245 is pushed out and drives the pressure block 246 to move toward the locking plate 241. At this time, the pressure block 246 drives the locking plate 241 away from the premixed component 21 through its own inclined surface, so that the arc-shaped rack 244 is disengaged from the limiting gear ring 252, and the mounting disk 251 can rotate.

[0039] The telescopic end of the telescopic member 391 is controlled to drive the slider 39 to slide along the transmission shaft 38, so that the driving gear 392 is meshed with the driven gear 35, and the spur rack 393 is meshed with the flip gear 34, and the servo motor 37 is started to drive the transmission shaft 38 to rotate. The transmission shaft 38 drives the two polygonal columns 27 to rotate through the meshing of the driving gear 392 with the driven gear 35, the meshing of the driven gear 35 and the follower gear 36, and the meshing of the two transmission gears 322. The polygonal column 27 drives the auger stirring member 28 to rotate, so that it mixes and kneads the raw materials. At this time, the mounting plate 251 is selected together with the auger stirring member 28.

[0040] After the premixing is completed, the telescopic pressure rod 44 is controlled to drive the sealing block 43 to rise, and the telescopic end of the hydraulic cylinder 245 is controlled to be retracted and drive the pressure block 246 away from the locking plate 241. At this time, the locking plate 241 moves toward the premixing member 21 under the action of the elastic member 243, so that the arc-shaped rack 244 is meshed with the limit gear ring 252. At this time, the mounting plate 251 can no longer be selected, so that the auger stirring member 28 starts to slide along the axis direction of the polygonal column 27 under the action of the auger hole 254 on the mounting plate 251, and the scraper plate 253 scrapes the rubber adhered to the surface of the auger stirring member 28, and the auger After the dragon stirring piece 28 completely passes through the dragon hole 254, the telescopic end of the telescopic piece 391 is controlled to drive the slider 39 to slide along the transmission shaft 38, so that the driving gear 392 is engaged with the flip gear 34, and the flip gear 34 drives the support shaft 33 to rotate. At this time, the premixing piece 21 is flipped 180 degrees under the action of the support shaft 33. At this time, the mixing bin 22 opens downward, and the premixed raw materials are poured out, so that the rubber remaining on the rotor surface can be cleaned up in time, avoiding repeated processing of the residual rubber, aging, and mixing in the subsequently processed products, resulting in a decline in the quality of subsequent products.

[0041] When the auger stirring element 28 completely passes through the auger hole 254, the auger stirring element 28 is now located in another mixing bin 22, and the raw materials are placed in the mixing bin 22, and the telescopic end of the telescopic push rod 13 is controlled to start telescoping, so that it drives the bracket 41 to move to the mixing bin 22, and the above process is repeated to pre-mix the raw materials, so that the auger stirring element 28 can move back and forth between the two mixing bins 22, ensuring that when one mixing bin 22 is unloading, the other mixing bin 22 can continue to stir, thereby improving the mixing efficiency of the equipment.

[0042] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A rubber premixing device, comprising a base (1), a driving mechanism (3) and a supporting member (5), characterized in that: It also comprises a mixing mechanism (2), a driving mechanism (3) located at one end of the mixing mechanism (2) and used to drive the mixing mechanism (2) to operate, and a supporting member (5) located at the other end of the mixing mechanism (2) and used to support the mixing mechanism (2) so that the mixing mechanism (2) itself can rotate; The mixing mechanism (2) comprises a premixer (21), a locking assembly (24), a scraper assembly (25), a polygonal column (27) and an auger stirring member (28). A mixing chamber (22) is provided on one of the side walls of the premixer (21) parallel to the base (1). A mounting hole (23) is provided on the inner wall of the mixing chamber (22) away from the support member (5). The polygonal column (27) is rotatably mounted on the inner wall of the mixing chamber (22) and one end thereof passes through the mounting hole (23) and is transmission-connected to the driving mechanism (3). The scraper assembly (25) is rotatably sleeved in the mounting hole (23). The auger stirring member (28) is slidably sleeved on the polygonal column (27) and spirally penetrates the scraper assembly (25). The locking assembly (24) is mounted on the outer wall of the premixer (21) and is used to control the rotation of the scraper assembly (25).

2. A rubber premixing equipment according to claim 1, characterized in that: The scraping assembly (25) comprises a mounting plate (251), a limiting gear ring (252) and a scraping plate (253); the scraping plate (253) is fixedly mounted on a side of the mounting plate (251) close to the mixing chamber (22); the limiting gear ring (252) is fixedly sleeved on the outer wall of the mounting plate (251) and is coaxial therewith; the mounting plate (251) and the scraping plate (253) are both provided with auger holes (254) for the auger stirring member (28) to pass through along the axial direction of the mounting plate (251).

3. A rubber premixing equipment according to claim 1, characterized in that: There are two mixing bins (22), and the two mixing bins (22) are respectively arranged on two side walls of the premixing element (21) parallel to the base body (1); the two mixing bins (22) are centrally symmetrical and connected via a mounting hole (23); and the two ends of the polygonal column (27) are respectively rotatably mounted on the inner walls of the two mixing bins (22).

4. A rubber premixing equipment according to claim 3, characterized in that: There are two mounting holes (23), two polygonal columns (27) and two auger stirring members (28), the two mounting holes (23) are symmetrically arranged on both sides of the inner wall of the mixing bin (22), the two polygonal columns (27) respectively pass through the two mounting holes (23), the two auger stirring members (28) are respectively slidably sleeved on the two polygonal columns (27), and there are four scraping assemblies (25) and the four scraping assemblies (25) are respectively located at both ends of the two mounting holes (23).

5. A rubber premixing device according to claim 4, characterized in that: A mounting groove (231) is provided in the middle of the mounting hole (23), and brushes (26) are fixedly mounted on the top and bottom of the mounting groove (231), and brushes (261) are fixedly mounted on opposite sides of the two brushes (26) for secondary cleaning of the auger stirring member (28) after being scraped by the scraping plate (253).

6. A rubber premixing equipment according to claim 1, characterized in that: The locking assembly (24) comprises a locking plate (241), a limiting shaft (242), an elastic member (243), an arc-shaped rack (244), and a driving member. The locking plate (241) is arranged on a side wall of the premix (21) and is parallel to the axis of the polygonal column (27). A protrusion corresponding to the scraping assembly (25) and slidingly penetrating the premix (21) is provided on a side of the locking plate (241) close to the premix (21). The arc-shaped rack (244) is arranged on the protrusion of the locking plate (241). The limiting shaft (242) is fixedly connected to the side wall of the premix (21) after sliding through the locking plate (241), the elastic member (243) is located on a side of the locking plate (241) away from the premix (21) and is sleeved on the limiting shaft (242), a fixing plate for fixing the elastic member (243) is provided at the end of the limiting shaft (242), and the driving member is located on the outer wall of the premix (21) and is used to drive the locking plate (241) away from the premix (21).

7. A rubber premixing device according to claim 6, characterized in that: The driving member comprises two hydraulic cylinders (245) and a pressure block (246); the two hydraulic cylinders (245) are fixed on the outer wall of the premix (21) and are symmetrically arranged on both sides of the locking plate (241); the telescopic direction of the telescopic end of the hydraulic cylinder (245) is perpendicular to the axis of the polygonal column (27); the pressure block (246) is slidably arranged between the premix (21) and the locking plate (241) and is fixedly connected to the telescopic end of the hydraulic cylinder (245); and a side of the pressure block (246) close to the locking plate (241) is an inclined surface.

8. The rubber premixing equipment according to claim 1, characterized in that: The outer wall of the premix (21) is fixedly provided with an articulated shaft (29) whose one end is rotatably sleeved on the support (5). The driving mechanism (3) further comprises a mounting seat (31), a transmission box (32), a support shaft (33) coaxial with the articulated shaft (29), and a servo motor (37). The mounting seat (31) is fixedly provided on the seat body (1), the transmission box (32) is fixedly provided on the outer wall of the premix (21), and two rotating shafts (321) are rotatably provided in the transmission box (32), and one end of each of the two rotating shafts (321) is rotatably sleeved on the support (5). After passing through the transmission box (32) and the premixer (21), the two rotating shafts (321) are respectively fixedly connected to the two polygonal columns (27); the outer walls of the two rotating shafts (321) are fixedly connected to transmission gears (322), and the two transmission gears (322) are meshed with each other; one end of the support shaft (33) is rotatably sleeved on the mounting seat (31), and the other end is fixedly mounted on the outer wall of the transmission box (32); and the servo motor (37) is arranged on the mounting seat (31) and is used to drive the support shaft (33) to rotate or drive the polygonal column (27) to rotate.

9. A rubber premixing device according to claim 8, characterized in that: The driving mechanism (3) further comprises a flip gear (34) fixedly sleeved on the support shaft (33), a driven gear (35) rotatably sleeved on the outer wall of one end of the support shaft (33) close to the transmission box (32), a follower gear (36) meshing with the driven gear (35), a transmission shaft (38) provided with a keyway along the axial direction, and a slider (39) slidably sleeved on the transmission shaft (38), wherein one end of a rotating shaft (321) rotates through the transmission box (32) and is fixedly engaged with the follower gear (36). The drive shaft (38) is parallel to the support shaft (33) and fixedly mounted on the output shaft of the servo motor (37). A telescopic member (391) for driving the slider (39) to slide along the drive shaft (38) is fixedly provided on the mounting seat (31). A card slot is provided on the top of the slider (39). A driving gear (392) slidably sleeved on the drive shaft (38) is provided in the card slot. A key that slides along the key slot is fixedly provided on the driving gear (392). A spur rack (393) is fixedly provided on the top of the slider (39).

10. The rubber premixing equipment according to claim 1, characterized in that: The base body (1) further comprises a sealing mechanism (4), the sealing mechanism (4) being used to seal the mixing chamber (22) of the mixing mechanism (2), the sealing mechanism (4) comprising a bracket (41), a storage box (42), a sealing block (43) and a telescopic pressure rod (44), the top of the base body (1) being provided with a limiting groove (12) and two limiting strips (11) located on both sides of the limiting groove (12), the limiting strips (11) and the limiting groove (12) being parallel to the axis of the multi-prism (27), the bracket (41) being arranged along the limiting strips (11) is slidably mounted on the top of the seat body (1), a telescopic push rod (13) is installed in the limit groove (12) for driving the bracket (41) to slide, the storage box (42) is located above the premixed component (21) and is fixedly connected to the bracket (41), the sealing block (43) is located in the storage box (42) and the bottom slides through the storage box (42), and the telescopic pressure rod (44) is installed on the top of the storage box (42) and the telescopic end slides through the storage box (42) and is fixedly connected to the sealing block (43).

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