Micro-powder additive adding premixing equipment for producing castable

Abstract

The utility model relates to the technical field of additive premixing, and discloses premixing equipment for adding a micro powder additive for producing castable, which comprises a mixing barrel, a stirring component is arranged in the mixing barrel, a housing is arranged at the top of the mixing barrel, a driving component is arranged in the housing, the driving component is connected with the stirring component, and the stirring component is connected with the housing. The stirring assembly comprises a main stirring rod rotationally arranged in the material mixing barrel, auxiliary stirring rods are rotationally arranged on the two sides of the main stirring rod, grinding assemblies are arranged on the two sides of the material mixing barrel, each grinding assembly comprises a grinding box, a feeding opening is formed in the top of each grinding box, and a grinding chamber is formed in the position, below the feeding opening, in each grinding box; a grinding roller is rotationally arranged in the grinding chamber, a first motor is arranged on the outer wall of the grinding box, and the first motor is connected with a rotating shaft of the grinding roller, according to the device, an additive is ground into finer and smoother particles through the grinding assembly, meanwhile, the multiple stirring rods act at the same time, so that mixed materials are fully mixed and make contact, and the quality of the mixed materials is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of additive premixing, in particular to a premixing device for adding micro-powder additives in the production of castable materials. Background Art

[0002] In general industry, castable materials usually refer to a mixture used to fill casting molds, mainly composed of portland cement, sand and other fillers, and sometimes chemical additives are added to improve performance. Castable materials can be used to form materials of various shapes, not only for casting, but also for refractory insulation, building structures, etc.

[0003] When producing castable materials, the raw materials and additives need to be pre-mixed evenly. However, the particle sizes of the powder-type additives and production raw materials are uneven, which may affect the mixing quality. And the existing equipment usually uses a single rod to rotate and stir for mixing, which may cause the mixture not to be fully mixed and reduce the quality after mixing. Summary of the Utility Model

[0004] (1). Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is to overcome the defect that the material particles are uneven and the mixing quality is easily uneven, and provide a premixing device for adding micro-powder additives in the production of castable materials.

[0006] (2). Technical Solutions

[0007] To solve the above technical problems, the technical solution provided by the utility model is: a premixing device for adding micro-powder additives in the production of castable materials, including a mixing barrel, a stirring component is arranged in the mixing barrel, a cover shell is arranged on the top of the mixing barrel, a driving component is arranged in the cover shell, the driving component is connected with the stirring component, the stirring component includes a main stirring rod rotatably arranged in the mixing barrel, auxiliary stirring rods are rotatably arranged on both sides of the main stirring rod, grinding components are arranged on both sides of the mixing barrel, the grinding components include grinding boxes, a feed inlet is arranged on the top of the grinding box, a grinding chamber is arranged below the feed inlet in the grinding box, a grinding roller is rotatably arranged in the grinding chamber, and a motor I is arranged on the outer wall of the grinding box, and the motor I is connected with the rotating shaft of the grinding roller.

[0008] As an improvement: the driving component includes a motor II fixedly arranged in the cover shell, one end of the main stirring rod penetrates through the top of the mixing barrel and is connected with the output end of the motor II, the auxiliary stirring rod penetrates through the top of the mixing barrel and is rotatably connected with the top wall of the cover shell, a driving gear is arranged on the main stirring rod, a driven gear meshing with the driving gear is arranged on the auxiliary stirring rod, and the driving gear drives the driven gear to rotate, so that the main stirring rod and the auxiliary stirring rod rotate and stir simultaneously, improving the mixing quality.

[0009] As an improvement: A number of stirring blades are provided on both the main stirring rod and the auxiliary stirring rod, and the stirring blades are arranged staggeredly. The staggered arrangement of the stirring blades reduces the dead corners of stirring and increases the contact area between the material and the stirring blades.

[0010] As an improvement: The length of the main stirring rod is greater than that of the auxiliary stirring rod. A U-shaped frame is fixedly provided at the bottom of the main stirring rod. A scraping plate is provided on the surface of the U-shaped frame that contacts the inner wall of the mixing barrel. The scraping plate fits the inner wall of the mixing barrel and can scrape off the material adhering to the inner wall during rotation.

[0011] As an improvement: The bottom of the powder grinding box is of a slope structure. A feeding pipe is provided at the bottom of the powder grinding box and is arranged obliquely. The lower end of the feeding pipe is communicated with the mixing barrel. The slope structure and the inclined feeding pipe ensure that the additive falls into the mixing barrel along its slope.

[0012] As an improvement: The bottom of the mixing barrel is of a funnel-shaped structure, and a discharge pipe is communicated at its central position. The setting of the funnel-shaped structure facilitates the discharge of the material and reduces the residue.

[0013] (III) Beneficial effects

[0014] The advantages of the present utility model compared with the prior art are as follows:

[0015] 1. Through the provided powder grinding assembly, before mixing, the grinding rollers rotate to grind the material and the additive into finer particles, which facilitates better fusion of the two subsequently. The setting of the two grinding assemblies improves the grinding efficiency of the material, thereby improving the working efficiency;

[0016] 2. Inside the mixing barrel, through the cooperation of the driving gear and the driven gear, the relative rotation of the main stirring rod and the auxiliary stirring rod is realized, and the stirring blades are arranged staggeredly, increasing the contact area between the material and the stirring blades, enabling the production raw materials and the additive to be fully mixed and contacted, and improving the quality after mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a premixing device for adding micro-powder additive in the production of castable of the present utility model.

[0018] Figure 2 is a front view structural diagram of a premixing device for adding micro-powder additive in the production of castable of the present utility model.

[0019] Figure 3 is a partially enlarged structural diagram of part A of a premixing device for adding micro-powder additive in the production of castable of the present utility model.

[0020] Figure 4 is a sectional structural diagram of A-A of a premixing device for adding micro-powder additive in the production of castable of the present utility model.

[0021] Figure 5 It is a schematic enlarged partial structure view B of a premixing device with a micronized powder additive for producing castable in the present utility model.

[0022] Figure 6 It is a schematic top sectional structure view of a premixing device with a micronized powder additive for producing castable in the present utility model.

[0023] As shown in the figure: 1. Mixing barrel; 2. Housing; 3. Main stirring rod; 4. Sub-stirring rod; 5. Grinding box; 6. Feed inlet; 7. Grinding chamber; 8. Grinding roller; 9. Motor I; 10. Motor II; 11. Driving gear; 12. Driven gear; 13. Stirring blade; 14. U-shaped frame; 15. Scraper; 16. Feeding pipe; 17. Discharge pipe. Detailed implementation manners

[0024] The following further describes the present utility model in detail with reference to the accompanying drawings. The same components are denoted by the same reference numerals.

[0025] It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.

[0026] In order to make the content of the present utility model easier to be clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0027] Embodiment 1

[0028] Combined with the attached Figures 1 to 4 As shown, a premixing device with a micronized powder additive for producing castable includes a mixing barrel 1. A stirring assembly is provided inside the mixing barrel 1. A housing 2 is provided at the top of the mixing barrel 1. A driving assembly is provided inside the housing 2. The driving assembly is connected to the stirring assembly. The stirring assembly includes a main stirring rod 3 rotatably provided inside the mixing barrel 1. Sub-stirring rods 4 are rotatably provided on both sides of the main stirring rod 3. Grinding assemblies are provided on both sides of the mixing barrel 1. The grinding assemblies include grinding boxes 5. A feed inlet 6 is provided at the top of the grinding box 5. A grinding chamber 7 is provided below the feed inlet 6 inside the grinding box 5. Grinding rollers 8 are rotatably provided inside the grinding chamber 7. A motor I 9 is provided on the outer wall of the grinding box 5. The motor I 9 is connected to the rotating shaft of the grinding roller 8.

[0029] Through the above structure, the grinding rollers 8 grind the powdery additive to form finer particles, which can be better mixed with the production raw materials. The main stirring rod 3 and the sub-stirring rods 4 cooperate to achieve full mixing and contact between the additive and the raw materials, improving the mixing quality.

[0030] Combined with the attached Figure 4 and Figure 6 As shown, the driving assembly includes a second motor 10 fixedly arranged in the housing 2. One end of the main stirring rod 3 penetrates through the top of the mixing barrel 1 and is connected to the output end of the second motor 10. One end of the auxiliary stirring rod 4 penetrates through the top of the mixing barrel 1 and is rotatably connected to the top wall of the housing 2. A driving gear 11 is arranged on the main stirring rod 3, and a driven gear 12 meshing with the driving gear 11 is arranged on the auxiliary stirring rod 4. A plurality of stirring blades 13 arranged alternately are arranged on both the main stirring rod 3 and the auxiliary stirring rod 4.

[0031] Through the above structure, the driving gear 11 drives the driven gear 12 to rotate, so that the main stirring rod 3 and the auxiliary stirring rod 4 rotate and stir simultaneously, improving the mixing quality. The stirring blades 13 are arranged alternately to reduce the stirring dead angle and increase the contact area between the material and the stirring blades 13.

[0032] Embodiment 2

[0033] On the basis of Embodiment 1, combined with the attached Figure 4 and Figure 5 As shown, the length of the main stirring rod 3 is greater than that of the auxiliary stirring rod 4. A U-shaped frame 14 is fixedly arranged at the bottom of the main stirring rod 3. A scraping plate 15 is arranged on the surface of the U-shaped frame 14 in contact with the inner wall of the mixing barrel 1. The bottom of the grinding box 5 is a slope structure. An inclined feeding pipe 16 is arranged at the bottom of the grinding box 5. The lower end of the feeding pipe 16 is connected to the mixing barrel 1. The bottom of the mixing barrel 1 is a funnel-shaped structure, and a discharge pipe 17 is communicated with the center position thereof.

[0034] Through the above structure, the scraping plate 15 is attached to the inner wall of the mixing barrel 1, and can scrape off the material adhered to the inner wall during the rotation process. The slope structure and the inclined feeding pipe 16 ensure that the additive falls into the mixing barrel 1 along its slope. The setting of the funnel-shaped structure facilitates the discharge of the material and reduces the residue.

[0035] The specific usage method is as follows:

[0036] Start the first motor 9 and the second motor 10. The production raw materials are added from one side feeding port 6, and the additive is added from the other side feeding port 6. The first motor 9 drives the grinding roller 8 to rotate. The protrusions on the grinding roller 8 cooperate with the inside of the grinding chamber 7 to realize the grinding of the production raw materials and the additive. The finely ground materials are put into the mixing box from the feeding pipe 16;

[0037] The second motor 10 drives the main stirring rod 3 to rotate. At this time, the driving gear 11 and the driven gear 12 are meshed and cooperate to drive the auxiliary stirring rod 4 to rotate relative to the main stirring rod 3. At the same time, the U-shaped frame 14 rotates following the rotation of the main stirring rod 3, and the scraping plate 15 scrapes off the material adhered to the inner wall of the mixing barrel 1, reducing waste.

[0038] The above description is about the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design, without creative work, structural manners and embodiments similar to the technical solution without departing from the gist of the creation of the present utility model, they shall fall within the protection scope of the present utility model.

Claims

1. A premixing device for adding micro powder additives for producing casting materials, comprising a mixing barrel (1), wherein a stirring assembly is provided in the mixing barrel (1), characterized in that: The mixing barrel (1) is provided with a cover shell (2) on the top, and a driving assembly is provided in the cover shell (2). The driving assembly is connected to a stirring assembly, and the stirring assembly comprises a main stirring rod (3) rotatably arranged in the mixing barrel (1), and auxiliary stirring rods (4) are rotatably arranged on both sides of the main stirring rod (3); Grinding components are provided on both sides of the mixing barrel (1), and the grinding components include a grinding box (5). A feed inlet (6) is provided on the top of the grinding box (5). A grinding chamber (7) is provided below the feed inlet (6) in the grinding box (5). A grinding roller (8) is rotatably provided in the grinding chamber (7). A motor (9) is provided on the outer wall of the grinding box (5), and the motor (9) is connected to the rotating shaft of the grinding roller (8).

2. A premixing device for adding micro powder additives for producing casting materials according to claim 1, characterized in that: The driving assembly comprises a second motor (10) fixedly arranged in a housing (2); one end of the main stirring rod (3) passes through the top of the mixing barrel (1) and is connected to the output end of the second motor (10); the auxiliary stirring rod (4) passes through the top of the mixing barrel (1) and is rotatably connected to the top wall of the housing (2); the main stirring rod (3) is provided with a driving gear (11); and the auxiliary stirring rod (4) is provided with a driven gear (12) meshing with the driving gear (11).

3. A premixing device for adding micro powder additives for producing casting materials according to claim 1, characterized in that: The main stirring rod (3) and the auxiliary stirring rod (4) are both provided with a plurality of stirring blades (13) arranged in a staggered manner.

4. A premixing device for adding micro powder additives for producing casting materials according to claim 1, characterized in that: The length of the main stirring rod (3) is greater than that of the auxiliary stirring rod (4); a U-shaped frame (14) is fixedly provided at the bottom of the main stirring rod (3); and a scraper (15) is provided on the side of the U-shaped frame (14) that contacts the inner wall of the mixing barrel (1).

5. The premixing equipment for adding micro powder additives for producing casting materials according to claim 1, characterized in that: The bottom of the grinding box (5) is a slope structure. The bottom of the grinding box (5) is provided with an inclined feeding pipe (16), and the lower end of the feeding pipe (16) is connected to the mixing barrel (1).

6. A premixing device for adding micro powder additives for producing casting materials according to claim 1, characterized in that: The bottom of the mixing barrel (1) is a bucket-shaped structure, and a discharge pipe (17) is provided at the center thereof.

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