A mixing apparatus having shaft lifting means

Abstract

This invention discloses a mixing device with a shaft lifting mechanism, relating to the field of mixing equipment. It includes a mixing tank containing a mixing assembly, a lifting assembly, a drive assembly, and a material lifting assembly. The mixing assembly includes a mixing rod, and the lifting assembly can drive the mixing rod to move vertically within the mixing tank. The material lifting assembly includes an inner lifting cylinder and a lifting spiral blade. The mixing assembly also includes an outer lifting cylinder. A mixing channel is formed on the mixing rod, one end of which communicates with the outer lifting cylinder, and the other end is located on the side wall of the mixing rod. The lifting spiral blade is disposed inside the inner lifting cylinder, and the outer lifting cylinder is fitted onto the inner lifting cylinder. The drive assembly can drive the lifting spiral blade and the mixing rod to rotate. The material in the mixing tank is discharged to various parts of the mixing tank, resulting in more uniform mixing and ensuring that all materials in the mixing tank have vertical displacement. This prevents the horizontally rotating mixing rod from failing to vertically displace and mix the materials in the mixing tank, thus improving the mixing effect.

Description

Technical Field

[0001] This invention relates to the field of mixing equipment, and particularly to a mixing equipment having a shaft lifting device. Background Technology

[0002] A mixing device is a mechanical device used to mix two or more materials evenly. The main function of a mixing device is to use mechanical force and gravity to induce collisions and friction between materials, thereby achieving mixing. Mixing devices are widely used in various fields, such as chemical, food, pharmaceutical, and building materials industries. There are many types of mixing devices, each suitable for mixing different materials, such as powders, granules, and liquids. The advantages of mixing devices include increasing the contact surface area of ​​materials, promoting chemical reactions, accelerating physical changes, and improving mixing efficiency and uniformity. When using mixing devices, it is necessary to select the appropriate equipment based on the characteristics of the materials to be mixed.

[0003] A shaft lifting mixer is a type of mixing equipment characterized by its vertically lifting impeller via a drive system, facilitating operation and maintenance. Suitable for medium to large-scale production, this equipment provides stirring and mixing functions for various liquids, solids, powders, and granular materials. Typically composed of a motor, reducer, impeller, and mixing drum, the mixing drum is vertically lifted via a hydraulic system. The impeller, driven by the motor and reducer, causes the material to move axially and radially within the drum, achieving mixing and dispersion. Advantages of shaft lifting mixers include: convenient operation (lifting and lowering the impeller via a hydraulic system); excellent mixing effect (the material within the mixing drum undergoes strong shearing and friction, resulting in high mixing uniformity); wide applicability (suitable for mixing various liquids, solids, powders, and granular materials); and easy maintenance (simple structure, easy to maintain and repair). Shaft lifting mixers are widely used in chemical, food, pharmaceutical, and building materials industries, and are a highly efficient and reliable mixing device.

[0004] Chinese patent application CN106754257A discloses a mixer with a liftable stirring shaft, including a cylinder and a stirring shaft. The top of the cylinder has a feed inlet, and a lifting structure is located above the cylinder. The stirring shaft is located inside the cylinder, with a horizontal rod fixedly connected to one end of the stirring shaft inside the cylinder. Vertical rods are located at both ends of the horizontal rod, and several fan-shaped blades are mounted on the vertical rods. An annular pipe is located above the bottom of the cylinder, and a vertical air inlet pipe is also located inside the cylinder. One end of the air inlet pipe is connected to the annular pipe, and several nozzles are located inside the annular pipe. The bottom of the cylinder is an arc-shaped concave surface, and a discharge structure is located at the lowest point of the arc-shaped concave surface. The lifting structure allows the stirring shaft to move up and down simultaneously during stirring, resulting in more thorough stirring and eliminating dead zones.

[0005] The aforementioned patents and prior art also have the following defects:

[0006] The mixing rod rotates on a horizontal plane to mix the materials. Although the lifting structure drives the mixing rod to rise and fall, the vertical displacement of the materials caused by the lifting of the mixing rod is small and not drastic. It is still not enough to cause the materials to move drastically in the vertical direction, resulting in the materials easily stratifying in the vertical direction, uneven mixing, and poor mixing effect. In addition, the existing mixing box discharges material from the bottom, which is convenient for packaging and storage. When the next processing step is required, a lifting device is needed to lift the material to a certain height for transfer or to the next processing device at a certain height. The lifting device needs to be used separately, which is cumbersome and reduces efficiency.

[0007] Therefore, this application provides a hybrid device with a shaft lifting device to meet the requirements. Summary of the Invention

[0008] The purpose of this application is to provide a mixing device with a shaft lifting device, in which the material in the mixing tank is discharged to various parts of the mixing tank, so that the material in the mixing tank is mixed more evenly and the material in the mixing tank has a vertical displacement, preventing the horizontally rotating mixing rod from failing to vertically displace the material in the mixing tank for mixing, and thus achieving a better mixing effect.

[0009] To achieve the above objectives, this application provides the following technical solution: a mixing device with a shaft lifting device, comprising a mixing tank, wherein a mixing assembly, a lifting assembly, a driving assembly and a material lifting assembly are provided inside the mixing tank;

[0010] The mixing assembly includes a mixing rod, and the lifting assembly can drive the mixing rod to move vertically within the mixing tank; the material lifting assembly includes a material lifting inner cylinder and a material lifting spiral blade.

[0011] The mixing assembly also includes an outer lifting cylinder, and a mixing channel is provided on the mixing rod. One end of the mixing channel is connected to the outer lifting cylinder, and the other end is provided on the side wall of the mixing rod. The lifting spiral blade is disposed inside the inner lifting cylinder, and the outer lifting cylinder is sleeved on the inner lifting cylinder.

[0012] The drive assembly can drive the lifting screw and the stirring rod to rotate. When the lifting screw rotates, it can lift the material at the bottom of the inner lifting cylinder to the outer lifting cylinder and discharge it through the mixing hole on the stirring rod.

[0013] Preferably, the bottom of the mixing tank is provided with a bottom discharge hole, and the bottom of the mixing tank is provided with a bottom discharge assembly, which can close the bottom discharge hole. The top of the lifting outer cylinder is connected to a top discharge assembly, which includes a top discharge straight pipe, a top discharge curved pipe and a top discharge conveyor belt. The top discharge straight pipe is fixedly installed on the inner wall of the lifting outer cylinder near the top. The top discharge curved pipe is fixedly installed on the top of the top discharge straight pipe and communicates with the top discharge straight pipe. The top discharge conveyor belt is installed on the top of the mixing tank and is located below the top discharge curved pipe.

[0014] Preferably, the material lifting assembly further includes a material lifting shaft, the material lifting spiral blade is fixedly installed on the material lifting shaft, the bottom of the material lifting inner cylinder is located inside the mixing tank near the bottom, the material lifting shaft and the material lifting spiral blade pass through the bottom of the material lifting inner cylinder and extend outward, and the bottom of the mixing tank is provided as a funnel;

[0015] The stirring rods are multiple and are all fixedly installed on the outer lifting cylinder. The driving assembly can drive the outer lifting cylinder and the lifting shaft to rotate.

[0016] Preferably, the drive assembly includes a drive cylinder, a drive bar, a drive motor, a drive shaft, a belt unit, and a gear unit; the drive cylinder is rotatably connected to the top of the mixing tank, the drive bar is fixedly installed on the outer wall of the material lifting cylinder, a drive groove is provided on the inner wall of the drive cylinder, the drive bar is located in the drive groove and slides in cooperation with the drive cylinder, the drive shaft is fixedly installed at the output end of the drive motor, the drive shaft can drive the material lifting shaft to rotate through the gear unit, and the drive shaft can drive the drive cylinder to rotate through the belt unit.

[0017] Preferably, the gear unit includes a driving gear and a driven gear, the lifting shaft passes through the top discharge bend and slides with the top discharge bend, the driving gear is fixedly sleeved on the drive shaft, the driven gear is fixedly sleeved on the lifting shaft, and the driving gear and the driven gear mesh with each other.

[0018] Preferably, the bottom of the drive shaft is rotatably connected to the top of the mixing tank, and the belt unit includes a drive pulley, a driven pulley, and a connecting belt. The drive pulley is fixedly sleeved on the drive shaft, the driven pulley is fixedly sleeved on the drive cylinder, and the connecting belt is sleeved on the drive pulley and the driven pulley.

[0019] Preferably, the lifting assembly includes a lifting motor, two lifting screws, a lifting plate, a fixed plate, two transmission pulleys, and a transmission belt. One of the lifting screws is fixedly installed at the output end of the drive motor. The two transmission pulleys are respectively fixedly sleeved on the corresponding lifting screws. The transmission belt is sleeved on the two transmission pulleys. The fixed plate is fixedly installed on the mixing tank. The lifting screws are rotatably connected to the fixed plate. The lifting plate is fixedly installed on the material lifting outer cylinder. The lifting screws pass through the lifting plate and are threadedly engaged with the lifting plate.

[0020] Preferably, the bottom discharge assembly includes a connecting plate, a sealing plate, an electric push rod, a pressure bar, and a discharge funnel. The connecting plate is fixedly installed at the bottom of the mixing tank, the electric push rod is fixedly installed on the connecting plate, the sealing plate is fixedly installed at the output end of the electric push rod, the pressure bar is fixedly installed on the connecting plate and abuts against the side of the sealing plate away from the connecting plate, and the discharge funnel is fixedly installed on the connecting plate and is located below the mixing tank.

[0021] Preferably, the connecting plate is fixedly connected to a bottom fixing frame, a support leg is fixedly installed on the bottom fixing frame, a stabilizing rod is fixedly installed at the four corners of the connecting plate, a top fixing frame is fixedly installed on the stabilizing rod, the lifting shaft, the drive shaft and the lifting screw are all rotatably connected to the top fixing frame, the lifting motor and the drive motor are both fixedly installed on the top fixing frame, and a feeding pipe is fixedly connected to the top of the mixing tank.

[0022] Preferably, the stirring rod is inclined, and several stirring blocks are fixedly installed on the stirring rod.

[0023] In summary, the technical effects and advantages of this invention are as follows:

[0024] 1. In this invention, the lifting assembly drives the lifting of the stirring rod, enabling the rotating stirring rod to stir the material in all parts of the mixing tank, ensuring that there are no dead corners in the mixing of the material in the mixing tank. At the same time, the lifting spiral blade lifts the material at the bottom of the mixing tank into the lifting outer cylinder, and discharges it through the mixing channel opened on the stirring rod. The stirring rod can lift and rotate, and the material in the mixing tank is discharged to all parts of the mixing tank, making the material in the mixing tank more evenly mixed. This ensures that the material in the mixing tank has a vertical displacement, preventing the horizontally rotating stirring rod from failing to mix the material in the mixing tank by vertical displacement, resulting in a better mixing effect.

[0025] 2. In this invention, the lifting spiral blades lift the material at the bottom of the mixing tank to the top discharge straight pipe and discharge it through the top discharge curved pipe. The discharged material falls onto the top discharge conveyor belt and is transported by the top discharge conveyor belt. It can select to discharge from the bottom or top of the mixing tank as needed, which has a wider range of applications. It also prevents mixing tanks that only discharge from the bottom from needing to use a lifting device to lift the material again for transport or to put it into the next processing equipment at a higher position. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the mixing tank, bottom fixing frame, top fixing frame, feeding pipe and stabilizing rod in the present invention.

[0028] Figure 2 This is a schematic diagram of the structure of the drive assembly, mixing tank, lifting assembly, bottom discharge assembly, and top discharge assembly in this invention;

[0029] Figure 3 This is a schematic diagram of the material lifting component, drive motor, and discharge hopper in this invention;

[0030] Figure 4 For the present invention Figure 3 Enlarged view of section A;

[0031] Figure 5 This is a schematic diagram of the structure of the stirring assembly, lifting motor, lifting screw, lifting plate, and fixing plate in this invention;

[0032] Figure 6 For the present invention Figure 5 Enlarged view of section B;

[0033] Figure 7 This is a schematic diagram of the structure of the mixing tank, mixing assembly, and connecting plate in this invention;

[0034] Figure 8 For the present invention Figure 7 Enlarged view of section C;

[0035] Figure 9 This is a schematic diagram of the structure of the drive shaft, inner lifting cylinder, outer lifting cylinder, lifting spiral blade and stirring rod in this invention;

[0036] Figure 10 For the present invention Figure 9 Enlarged view of section D;

[0037] Figure 11 This is a schematic diagram of the structure of the top discharge straight pipe, the top discharge bent pipe, the lifting shaft, and the lifting spiral blade in this invention;

[0038] Figure 12 For the present invention Figure 11 Enlarged view of section E in the middle.

[0039] In the diagram: 1. Mixing tank; 2. Mixing assembly; 21. Mixing rod; 22. Material lifting cylinder; 3. Lifting assembly; 31. Lifting motor; 32. Lifting screw; 33. Lifting plate; 34. Fixing plate; 4. Drive assembly; 41. Drive cylinder; 42. Drive bar; 43. Drive motor; 44. Drive shaft; 451. Drive pulley; 452. Driven pulley; 453. Connecting belt; 461. Drive gear; 462. Driven gear; 5. 51. Material lifting assembly; 52. Material lifting inner cylinder; 53. Material lifting spiral blade; 6. Material lifting shaft; 6. Bottom discharge assembly; 61. Connecting plate; 62. Sealing plate; 63. Electric push rod; 64. Pressure strip; 65. Discharge funnel; 7. Top discharge assembly; 71. Top discharge straight pipe; 72. Top discharge curved pipe; 73. Top discharge conveyor belt; 8. Bottom fixing frame; 9. Support leg; 10. Stabilizing rod; 11. Top fixing frame; 12. Feeding pipe; 13. Mixing block. Detailed Implementation

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Example: Reference Figures 1-12 The mixing device shown includes a mixing tank 1, and a mixing assembly 2, a lifting assembly 3, a driving assembly 4 and a material lifting assembly 5 are arranged inside the mixing tank 1.

[0042] The mixing assembly 2 includes a mixing rod 21, and the lifting assembly 3 can drive the mixing rod 21 to move vertically within the mixing tank 1; the material lifting assembly 5 includes a material lifting inner cylinder 51 and a material lifting spiral blade 52.

[0043] The mixing assembly 2 also includes a material lifting outer cylinder 22, a mixing channel is provided on the mixing rod 21, one end of the mixing channel is connected to the material lifting outer cylinder 22, and the other end is provided on the side wall of the mixing rod 21, the material lifting spiral blade 52 is arranged inside the material lifting inner cylinder 51, and the material lifting outer cylinder 22 is sleeved on the material lifting inner cylinder 51.

[0044] The drive assembly 4 can drive the lifting screw 52 and the stirring rod 21 to rotate. When the lifting screw 52 rotates, it can lift the material at the bottom of the inner lifting cylinder 51 into the outer lifting cylinder 22 and discharge it through the mixing hole on the stirring rod 21.

[0045] The drive assembly 4 drives the stirring rod 21 and the lifting screw 52 to rotate. The stirring rod 21 rotates inside the mixing tank 1, and pushes the material near the stirring rod 21 to rotate horizontally, thus stirring the material. The lifting assembly 3 drives the stirring rod 21 to move vertically inside the mixing tank 1, so that the stirring rod 21 can mix the material at various positions inside the mixing tank 1. The drive assembly 4 drives the lifting screw 52 to rotate, and the lifting screw 52 lifts the material at the bottom of the mixing tank 1 into the lifting outer cylinder 22. The material enters the mixing channel through the lifting outer cylinder 22. With the rotation and lifting of the stirring rod 21, the material at the bottom of the mixing tank 1 is dispersed to various parts of the mixing tank 1.

[0046] The lifting assembly 3 drives the stirring rod 21 to rise and fall, enabling the rotating stirring rod 21 to stir the material in all parts of the mixing tank 1, ensuring that there are no dead corners in the mixing of the material in the mixing tank 1. At the same time, the lifting spiral blade 52 lifts the material at the bottom of the mixing tank 1 into the lifting outer cylinder 22, and discharges it through the mixing channel opened on the stirring rod 21. The stirring rod 21 can rise, fall, and rotate, and the material in the mixing tank 1 is discharged to all parts of the mixing tank 1, making the material in the mixing tank 1 more evenly mixed. This ensures that the material in the mixing tank 1 has a vertical displacement, preventing the horizontally rotating stirring rod 21 from failing to mix the material in the mixing tank 1 by vertical displacement, resulting in a better mixing effect.

[0047] Furthermore, referring to Figures 1-12 The bottom of the mixing tank 1 is provided with a bottom discharge hole, and the bottom of the mixing tank 1 is provided with a bottom discharge assembly 6, which can close the bottom discharge hole. The top of the lifting outer cylinder 22 is connected to a top discharge assembly 7, which includes a top discharge straight pipe 71, a top discharge bent pipe 72 and a top discharge conveyor belt 73. The top discharge straight pipe 71 is fixedly installed on the inner wall of the lifting outer cylinder 22 near the top. The top discharge bent pipe 72 is fixedly installed on the top of the top discharge straight pipe 71 and communicates with the top discharge straight pipe 71. The top discharge conveyor belt 73 is installed on the top of the mixing tank 1 and is located below the top discharge bent pipe 72.

[0048] During mixing, the bottom discharge assembly 6 closes the bottom discharge hole. When material needs to be discharged from the bottom of the mixing tank 1, the bottom discharge assembly 6 opens the bottom discharge hole, and the material is discharged through the bottom discharge hole. When material needs to be discharged from the top of the mixing tank 1, the bottom discharge assembly 6 closes the bottom discharge hole, causing the outer lifting cylinder 22 to descend until the top discharge straight pipe 71 abuts against the top of the inner lifting cylinder 51. The top discharge straight pipe 71 is fitted onto the lifting spiral blade 52, which lifts the material at the bottom of the mixing tank 1 into the top discharge straight pipe 71 and discharges it through the top discharge bend pipe 72. The discharged material falls onto the top discharge conveyor belt 73 and is transported by the top discharge conveyor belt 73. It can select to discharge from the bottom or top of the mixing tank 1 as needed, which has a wider range of applications and prevents the mixing tank 1 that only discharges from the bottom from needing to use a lifting device to lift the material again for transport or to put it into the next higher processing equipment.

[0049] Furthermore, referring to Figures 1-12 The material lifting assembly 5 also includes a material lifting shaft 53, a material lifting spiral blade 52 fixedly installed on the material lifting shaft 53, the bottom of the material lifting inner cylinder 51 is located in the mixing tank 1 near the bottom, the material lifting shaft 53 and the material lifting spiral blade 52 pass through the bottom of the material lifting inner cylinder 51 and extend outward, and the bottom of the mixing tank 1 is set as a funnel;

[0050] The stirring rod 21 has multiple rods, all of which are fixedly installed on the outer lifting cylinder 22. The driving assembly 4 can drive the outer lifting cylinder 22 and the lifting shaft 53 to rotate.

[0051] The drive assembly 4 drives the lifting shaft 53 to rotate, which in turn drives the lifting spiral blade 52 to rotate. The lifting spiral blade 52 rotates inside the inner lifting cylinder 51 and abuts against the inner wall of the inner lifting cylinder 51. The material enters the inner lifting cylinder 51 through the bottom of the lifting spiral blade 52 and rises as the lifting spiral blade 52 rotates. After the material is lifted to the top of the inner lifting cylinder 51, it diffuses outward into the outer lifting cylinder 22 due to the loss of the inner lifting cylinder 51's restraint. The material falls into the mixing channel opened in the stirring rod 21 within the outer lifting cylinder 22 and re-enters the mixing box 1 as the stirring rod 21 rotates. The drive assembly 4 drives the outer lifting cylinder 22 to rotate, which in turn drives the stirring rod 21 to rotate.

[0052] Furthermore, referring to Figures 1-12The drive assembly 4 includes a drive cylinder 41, a drive bar 42, a drive motor 43, a drive shaft 44, a belt unit, and a gear unit. The drive cylinder 41 is rotatably connected to the top of the mixing tank 1. The drive bar 42 is fixedly installed on the outer wall of the material lifting outer cylinder 22. A drive groove is provided on the inner wall of the drive cylinder 41. The drive bar 42 is located in the drive groove and slides in cooperation with the drive cylinder 41. The drive shaft 44 is fixedly installed at the output end of the drive motor 43. The drive shaft 44 can drive the material lifting shaft 53 to rotate through the gear unit. The drive shaft 44 can drive the drive cylinder 41 to rotate through the belt unit.

[0053] The drive motor 43 drives the drive shaft 44 to rotate, the drive shaft 44 drives the drive cylinder 41 to rotate via the belt unit, the drive cylinder 41 drives the drive bar 42 to rotate, the drive bar 42 drives the outer lifting cylinder 22 to rotate, the outer lifting cylinder 22 drives the stirring rod 21 to rotate, and at the same time the drive shaft 44 drives the lifting shaft 53 to rotate via the gear unit, the lifting shaft 53 drives the lifting spiral blade 52 to rotate.

[0054] Furthermore, referring to Figures 1-12 The gear unit includes a drive gear 461 and a driven gear 462. The lifting shaft 53 passes through the top discharge bend 72 and slides in cooperation with the top discharge bend 72. The drive gear 461 is fixedly sleeved on the drive shaft 44, and the driven gear 462 is fixedly sleeved on the lifting shaft 53. The drive gear 461 and the driven gear 462 mesh with each other.

[0055] The drive shaft 44 drives the drive gear 461 to rotate, the drive gear 461 drives the driven gear 462 to rotate, the driven gear 462 drives the lifting shaft 53 to rotate, and the lifting shaft 53 drives the lifting spiral blade 52 to rotate.

[0056] Furthermore, referring to Figures 1-12 The bottom of the drive shaft 44 is rotatably connected to the top of the mixing tank 1. The belt unit includes a drive pulley 451, a driven pulley 452 and a connecting belt 453. The drive pulley 451 is fixedly sleeved on the drive shaft 44, the driven pulley 452 is fixedly sleeved on the drive cylinder 41, and the connecting belt 453 is sleeved on the drive pulley 451 and the driven pulley 452.

[0057] The drive shaft 44 drives the active pulley 451 to rotate, the active pulley 451 drives the connecting belt 453 to rotate, the connecting belt 453 causes the passive pulley 452 to rotate, the passive pulley 452 drives the drive cylinder 41 to rotate, the drive cylinder 41 drives the lifting outer cylinder 22 to rotate, and the lifting outer cylinder 22 drives the stirring rod 21 to rotate.

[0058] Furthermore, referring to Figures 1-12The lifting assembly 3 includes a lifting motor 31, two lifting screws 32, a lifting plate 33, a fixed plate 34, two transmission pulleys and a transmission belt. One lifting screw 32 is fixedly installed on the output end of the drive motor 43. The two transmission pulleys are respectively fixedly sleeved on the corresponding lifting screws 32. The transmission belt is sleeved on the two transmission pulleys. The fixed plate 34 is fixedly installed on the mixing tank 1. The lifting screw 32 is rotatably connected to the fixed plate 34. The lifting plate 33 is fixedly installed on the material lifting outer cylinder 22. The lifting screw 32 passes through the lifting plate 33 and is threadedly engaged with the lifting plate 33.

[0059] The lifting motor 31 drives one of the lifting screws 32 to rotate. This lifting screw 32 drives the corresponding transmission pulley to rotate. This transmission pulley drives another transmission pulley to rotate via a transmission belt. The other transmission pulley drives the corresponding lifting screw 32 to rotate. The rotation of the two lifting screws 32 causes the lifting plate 33 to move vertically on the lifting screws 32. The lifting plate 33 drives the outer lifting cylinder 22 to move vertically. The outer lifting cylinder 22 drives the drive bar 42 to move vertically. The drive bar 42 moves vertically in the drive groove. At this time, the drive cylinder 41 can still drive the outer lifting cylinder 22 to rotate via the drive bar 42. The vertical movement of the outer lifting cylinder 22 drives the stirring rod 21 to move, so that the stirring rod 21 moves vertically in the mixing box 1 to mix the materials at different positions in the mixing box 1.

[0060] Furthermore, referring to Figures 1-12 The bottom discharge assembly 6 includes a connecting plate 61, a sealing plate 62, an electric push rod 63, a pressure bar 64, and a discharge funnel 65. The connecting plate 61 is fixedly installed at the bottom of the mixing tank 1. The electric push rod 63 is fixedly installed on the connecting plate 61. The sealing plate 62 is fixedly installed at the output end of the electric push rod 63. The pressure bar 64 is fixedly installed on the connecting plate 61, and the pressure bar 64 abuts against the side of the sealing plate 62 away from the connecting plate 61. The discharge funnel 65 is fixedly installed on the connecting plate 61, and the discharge funnel 65 is located below the mixing tank 1.

[0061] The electric push rod 63 drives the closing plate 62 to move away from the bottom discharge hole position, allowing the bottom discharge hole to open and discharge material. Similarly, the electric push rod 63 drives the closing plate 62 to the bottom discharge hole position, causing the closing plate 62 to close the bottom discharge hole. The discharged material is discharged through the discharge funnel 65. The pressure strip 64 presses the closing plate 62 tightly onto the connecting plate 61, making the closing plate 62 more effective at closing the bottom discharge hole.

[0062] Furthermore, referring to Figures 1-12A bottom fixing frame 8 is fixedly connected to the connecting plate 61. A support leg 9 is fixedly installed on the bottom fixing frame 8. A stabilizing rod 10 is fixedly installed at the four corners of the connecting plate 61. A top fixing frame 11 is fixedly installed on the stabilizing rod 10. The lifting shaft 53, the drive shaft 44 and the lifting screw 32 are all rotatably connected to the top fixing frame 11. The lifting motor 31 and the drive motor 43 are both fixedly installed on the top fixing frame 11. The top of the mixing tank 1 is fixed and connected to the feeding pipe 12.

[0063] The material is fed into the mixing tank 1 through the feeding pipe 12.

[0064] Furthermore, referring to Figures 1-12 The stirring rod 21 is inclined, and several stirring blocks 13 are fixedly installed on the stirring rod 21.

[0065] The inclined stirring rod 21, combined with the centrifugal force when the stirring rod 21 rotates, allows the material in the outer cylinder 22 to enter the mixing channel in the stirring rod 21 more smoothly and be discharged. The outlet of the mixing channel on the stirring rod 21 is opened on the side opposite to the direction of rotation of the stirring rod 21, so that when the stirring rod 21 rotates, the material in the mixing box 1 will not enter the mixing channel through the opening on the stirring rod 21.

[0066] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A mixing device with a shaft lifting device, comprising a mixing tank (1), characterized in that: The mixing tank (1) is equipped with a mixing assembly (2), a lifting assembly (3), a driving assembly (4), and a material lifting assembly (5). The stirring assembly (2) includes a stirring rod (21), and the lifting assembly (3) can drive the stirring rod (21) to move vertically inside the stirring box (1); the material lifting assembly (5) includes a material lifting inner cylinder (51) and a material lifting spiral blade (52). The stirring assembly (2) further includes a material lifting outer cylinder (22). A mixing channel is provided on the stirring rod (21). One end of the mixing channel is connected to the material lifting outer cylinder (22), and the other end is provided on the side wall of the stirring rod (21). The material lifting spiral blade (52) is disposed inside the material lifting inner cylinder (51), and the material lifting outer cylinder (22) is sleeved on the material lifting inner cylinder (51). There are multiple stirring rods (21), all of which are fixedly installed on the material lifting outer cylinder (22). The drive assembly (4) can drive the lifting spiral blade (52) and the stirring rod (21) to rotate. When the lifting spiral blade (52) rotates, it can lift the material at the bottom of the lifting inner cylinder (51) into the lifting outer cylinder (22) and discharge it through the mixing hole on the stirring rod (21).

2. A mixing device with a shaft lifting device according to claim 1, characterized in that: The bottom of the mixing tank (1) is provided with a bottom discharge hole, and the bottom of the mixing tank (1) is provided with a bottom discharge assembly (6). The bottom discharge assembly (6) can close the bottom discharge hole. The top of the lifting outer cylinder (22) is connected to a top discharge assembly (7). The top discharge assembly (7) includes a top discharge straight pipe (71), a top discharge bent pipe (72) and a top discharge conveyor belt (73). The top discharge straight pipe (71) is fixedly installed on the inner wall of the lifting outer cylinder (22) near the top. The top discharge bent pipe (72) is fixedly installed on the top of the top discharge straight pipe (71) and communicates with the top discharge straight pipe (71). The top discharge conveyor belt (73) is installed on the top of the mixing tank (1) and is located below the top discharge bent pipe (72).

3. A mixing device with a shaft lifting device according to claim 2, characterized in that: The material lifting assembly (5) also includes a material lifting shaft (53), the material lifting spiral blade (52) is fixedly installed on the material lifting shaft (53), the bottom of the material lifting inner cylinder (51) is located in the mixing tank (1) near the bottom, the material lifting shaft (53) and the material lifting spiral blade (52) pass through the bottom of the material lifting inner cylinder (51) and extend outward, and the bottom of the mixing tank (1) is set as a funnel; The drive assembly (4) can drive the outer lifting cylinder (22) and the lifting shaft (53) to rotate.

4. A mixing device with a shaft lifting device according to claim 3, characterized in that: The drive assembly (4) includes a drive cylinder (41), a drive bar (42), a drive motor (43), a drive shaft (44), a belt unit, and a gear unit. The drive cylinder (41) is rotatably connected to the top of the mixing tank (1). The drive bar (42) is fixedly installed on the outer wall of the material lifting outer cylinder (22). A drive groove is provided on the inner wall of the drive cylinder (41). The drive bar (42) is located in the drive groove and slides in cooperation with the drive cylinder (41). The drive shaft (44) is fixedly installed at the output end of the drive motor (43). The drive shaft (44) can drive the material lifting shaft (53) to rotate through the gear unit. The drive shaft (44) can drive the drive cylinder (41) to rotate through the belt unit.

5. A mixing device with a shaft lifting device according to claim 4, characterized in that: The gear unit includes a drive gear (461) and a driven gear (462). The lifting shaft (53) passes through the top discharge bend (72) and slides with the top discharge bend (72). The drive gear (461) is fixedly sleeved on the drive shaft (44), and the driven gear (462) is fixedly sleeved on the lifting shaft (53). The drive gear (461) and the driven gear (462) mesh with each other.

6. A mixing device with a shaft lifting device according to claim 4, characterized in that: The bottom of the drive shaft (44) is rotatably connected to the top of the mixing tank (1). The belt unit includes a drive pulley (451), a driven pulley (452), and a connecting belt (453). The drive pulley (451) is fixedly sleeved on the drive shaft (44), the driven pulley (452) is fixedly sleeved on the drive cylinder (41), and the connecting belt (453) is sleeved on the drive pulley (451) and the driven pulley (452).

7. A mixing device with a shaft lifting device according to claim 4, characterized in that: The lifting assembly (3) includes a lifting motor (31), two lifting screws (32), a lifting plate (33), a fixed plate (34), two transmission pulleys and a transmission belt. One of the lifting screws (32) is fixedly installed on the output end of the drive motor (43). The two transmission pulleys are respectively fixedly sleeved on the corresponding lifting screws (32). The transmission belt is sleeved on the two transmission pulleys. The fixed plate (34) is fixedly installed on the mixing tank (1). The lifting screw (32) is rotatably connected to the fixed plate (34). The lifting plate (33) is fixedly installed on the material lifting outer cylinder (22). The lifting screw (32) passes through the lifting plate (33) and is threadedly engaged with the lifting plate (33).

8. A mixing device with a shaft lifting device according to claim 7, characterized in that: The bottom discharge assembly (6) includes a connecting plate (61), a closing plate (62), an electric push rod (63), a pressure bar (64), and a discharge funnel (65). The connecting plate (61) is fixedly installed at the bottom of the mixing tank (1). The electric push rod (63) is fixedly installed on the connecting plate (61). The closing plate (62) is fixedly installed at the output end of the electric push rod (63). The pressure bar (64) is fixedly installed on the connecting plate (61), and the pressure bar (64) abuts against the side of the closing plate (62) away from the connecting plate (61). The discharge funnel (65) is fixedly installed on the connecting plate (61), and the discharge funnel (65) is located below the mixing tank (1).

9. A mixing device with a shaft lifting device according to claim 8, characterized in that: The connecting plate (61) is fixedly connected to the bottom fixing frame (8), and the bottom fixing frame (8) is fixedly installed with the support leg (9). The four corners of the connecting plate (61) are fixedly installed with the stabilizing rod (10), and the top fixing frame (11) is fixedly installed on the stabilizing rod (10). The lifting shaft (53), the drive shaft (44) and the lifting screw (32) are all rotatably connected to the top fixing frame (11). The lifting motor (31) and the drive motor (43) are both fixedly installed on the top fixing frame (11). The top of the mixing tank (1) is fixed and connected to the feeding pipe (12).

10. A mixing device with a shaft lifting device according to claim 1, characterized in that: The stirring rod (21) is inclined, and several stirring blocks (13) are fixedly installed on the stirring rod (21).

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