CN212352440U

CN212352440U - Premixing device for concrete stirring

Info

Publication number: CN212352440U
Application number: CN202020415513.XU
Authority: CN
Inventors: 贺海量
Original assignee: Hunan Zhenhai New Material Technology Co ltd
Current assignee: Hunan Zhenhai New Material Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-01-15
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a premixing device for concrete mixing, which comprises a mixing barrel and a base, feed mechanism, upper cover plate and lower apron are installed respectively through rotatory packing ring to the agitator both ends, the three surrounds formation stirring chamber, the agitator inner wall is provided with first stirring leaf, the outer wall is around being provided with the ring gear, the agitator lower part is provided with universal ball wheel, the base is provided with the annular of the universal ball wheel motion of holding, the upper cover plate passes through the mount to be fixed on the base, upper cover plate one side is provided with the feed inlet, lower apron fixed mounting is on the base, lower apron runs through to install a plurality of puddlers to stirring chamber, be provided with second stirring leaf on the puddler, the puddler is driven by the agitator motor who sets up on the base, the export setting of feed mechanism is in the top of feed inlet, the ring gear is driven by rotating motor, the lower apron is provided with the discharge gate. The equipment ensures the uniformity of the stirring process, and stirred substances are not adhered to the wall of the barrel.

Description

Premixing device for concrete stirring

Technical Field

The utility model belongs to the concrete mixing equipment field, concretely relates to a premixing device for concrete mixing.

Background

The concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening. The concrete mixing plant is a combined device for intensively mixing concrete, and is also called a concrete precast yard. Because of its high degree of mechanization and automation, it has high productivity, can ensure the quality of concrete and save cement, and is commonly used in large and medium-sized water conservancy projects, electric power projects, bridges and other projects with large concrete engineering quantity, long construction period and centralized construction sites. With the development of municipal construction, the mixing plant which adopts centralized mixing and provides commercial concrete has great superiority, thereby being developed rapidly and creating conditions for promoting concrete pumping construction and realizing combined operation of mixing, conveying and pouring machines. In the concrete mixing plant, the proportioning machine is the equipment that is used for storing the concrete raw materials, traditional proportioning machine has the independent storage section of thick bamboo of a plurality of, different raw materials are stored in the storage section of thick bamboo of difference, when carrying out the concrete mixing, different raw materials fall out to the conveyer belt from the storage section of thick bamboo discharge gate respectively, send into the agitator in and stir, but because different raw materials separately get into the mixer, it is serious to lead to the raw materials layering in the mixer, when mixing, powder materials such as cement agglomerate easily, lead to mixing inhomogeneous, influence the finished product quality. In addition, when sand stones are stored, coarse sand is under, fine sand is on, and the coarse sand and the fine sand are unevenly distributed, so that uneven feeding is caused, and the quality of concrete is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to above not enough, provide a premixing device for concrete mixing, solve that sand stone stirring is inhomogeneous, the sand adhesion is at agitator wall, the inhomogeneous problem of concrete mixing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a premixing device for concrete mixing, includes agitator, base, feed mechanism, the upper cover plate is installed through rotatory packing ring respectively at the agitator both ends and apron down, agitator, upper cover plate and apron surround down and form the stirring chamber, the agitator inner wall is provided with first stirring leaf, and the outer wall is around being provided with the ring gear, the agitator lower part is provided with universal ball wheel, the base is provided with the annular of the universal ball wheel motion of holding, and universal ball wheel drives the agitator and at the annular internal rotation, and first stirring leaf just centers on upper and lower apron rotation, supplementary stirring. The utility model discloses a conveying mechanism, including upper cover plate, lower apron, drive mechanism, ring gear, upper cover plate, lower apron, upper cover plate and lower apron, the upper cover plate passes through the mount to be fixed on the base, upper cover plate one side is provided with the feed inlet, lower apron fixed mounting is on the base, the apron runs through to install a plurality of puddlers to the stirring chamber that rotate the different direction, be provided with second stirring leaf on the puddler, the puddler is driven by the agitator motor who sets up on the base, the export setting of feed mechanism is in the top of feed inlet, the ring gear is driven by the. The puddler rotation direction can guarantee that gravel and sand layering phenomenon does not appear, lets gravel and sand be in the motion state of rolling all the time, and the second stirring leaf can make gravel and sand move towards a direction for spiral ascending or decurrent blade, and first stirring leaf is rotatory along with this agitator, in supplementary stirring, has avoided the gravel and sand adhesion on the agitator bucket wall.

Preferably, feed mechanism includes loading bin, transport pipeline, transportation motor, be provided with fortune material auger in the transport pipeline, the one end setting of transport pipeline is in loading bin, and the other end is feed mechanism's export, fortune material auger one end is passed through the belt and is connected at transportation motor output. The transportation of the material conveying auger is difficult to be influenced by gravity, and the phenomenon of separation of sand and stones can not occur.

Preferably, the stirring barrel is a cylinder or a square cylinder. The drum agitator is more common, and it is also more convenient rotatory, nevertheless can set up to square tube as required, corresponds revolution mechanic simultaneously and lap the connected mode with the agitator about and also need to change.

Preferably, the number of the stirring rods is 2 or 4, and the rotation directions of the adjacent stirring rods are different. 2 puddlers are economic stirring scheme, and 4 effects are better, and the rotation direction is different, can be that sand and stone flows keeps the motion state always, can not appear like a puddler, and heavy stone is down, and the condition on the light stone is reverse rotation, lets sand and stone flow continuously roll, and stirring effect is more.

Preferably, the first stirring blade is inclined downwards, the inclination angle is between 30 and 60 degrees, and the first stirring blade is inclined downwards to reduce the retention time of sand on the blade without adhesion.

Preferably, the upper cover plate is provided with a cold water spray head. Cold water enters the stirring cavity to have two functions, firstly, the temperature inside the stirring cavity is reduced, secondly, the internal humidity is increased, along with the temperature rise, the moisture contained in sand is evaporated to dryness, the sand and stone are seriously separated, the humidity is increased, and the flow direction of the sand and stone flow is more convenient to control.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a premixing device for concrete mixing adopts the stirring mode of the inside and outside equal stirring that has the agitator of first stirring leaf and inside puddler stirring, and stirring effect improves, and the stirring direction difference of puddler is favorable to the sand and stone stream to continuously flow simultaneously, and the layering condition that sand and stone appears because of high temperature evaporation to dryness has been avoided to cold water shower nozzle for letting in cold water in the stirring intracavity, and the joining of loading attachment and conveyer belt makes whole more automatic, and artificial intervention is few. Generally speaking the utility model provides high stirring efficiency has improved the stirring quality simultaneously, and the concrete material mixes the back through the preliminary mixing, and the concrete quality is improved by a wide margin.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partial enlarged view of the present invention.

Reference numerals: 1. a stirring barrel; 2. a base; 3. a feeding mechanism; 4. a rotation washer; 11. an upper cover plate; 12. a lower cover plate; 13. a first stirring blade; 14. a ring gear; 15. a universal ball wheel; 16. a stirring rod; 17. a stirring chamber; 18. a second stirring blade; 21. a ring groove; 22. a stirring motor; 23. rotating the motor; 31. a charging bin; 32. a transport pipeline; 33. a transport motor; 34. a material conveying auger; 35. a belt; 111. a fixed mount; 112. a feed inlet; 121. a discharge port; 122. and (4) a conveyor belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "front", "back", "left", "right", "up", "down", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description, but not for indicating or implying that the indicated device or element must have a specific direction, and be constructed and operated in a specific direction, and therefore, the present invention is not to be construed as being limited to the present invention.

As shown in fig. 1, the premixing device for concrete mixing of this embodiment includes a mixing tank 1, a base 2, and a feeding mechanism 3, wherein an upper cover plate 11 and a lower cover plate 12 are respectively installed at two ends of the mixing tank 1 through a rotary washer 4, the mixing tank 1, the upper cover plate 11 and the lower cover plate 12 surround to form a mixing chamber 17, a first mixing blade 13 is installed on an inner wall of the mixing tank 1, a gear ring 14 is installed on an outer wall of the mixing tank 1, a universal ball wheel 15 is installed at a lower portion of the mixing tank 1, the base 2 is provided with a ring groove 21 for accommodating the universal ball wheel 15, the upper cover plate 11 is fixed on the base 2 through a fixing frame 111, a feed port 112 is installed at one side of the upper cover plate 11, the lower cover plate 12 is fixedly installed on the base 2, a plurality of mixing rods 16 are installed through the lower cover plate 12 to the mixing chamber 17, a second mixing blade, the outlet of the feeding mechanism 3 is arranged above the feeding hole 112, the gear ring 14 is driven by a rotating motor 23 arranged on the base, a discharging hole 121 is arranged on the side of the lower cover plate 12 opposite to the feeding hole 112 of the upper cover plate 11, and a conveyor belt 122 is arranged below the discharging hole 121.

Specifically, feed mechanism 3 includes feed bin 31, transportation pipeline 32, transportation motor 33, is provided with fortune material auger 34 in the transportation pipeline 32, and the one end setting of transportation pipeline 32 is in feed bin 31, and the other end is feed mechanism 3's export, and fortune material auger 34 one end is passed through belt 35 and is connected at the output of transportation motor 33.

Specifically, the stirring barrel 1 is a cylinder.

Specifically, the number of the stirring rods 16 is 2, and the rotation directions of the adjacent stirring rods 16 are different.

Specifically, the first stirring vanes 13 are inclined downward at an angle of 30 °.

Specifically, the upper cover plate 11 is provided with a cold water spray head.

The utility model discloses premixed material has multiple mainly including:

1. the number of the rubber materials is generally 3, and the total weight of the rubber materials is 800-1500 kg each time;

2. the sand fine aggregate is generally 2, and the total weight of the sand fine aggregate is 2000-3000 kg each time;

3. the stone coarse aggregates are generally 3, and 3000-4500 kg of stone coarse aggregates are weighed in each time;

the materials need to be weighed separately and delivered after being pre-stirred and mixed. Therefore, the materials are required to be primarily mixed before the materials are conveyed to the charging bin 31, so that a primary mixing tank is added before the charging bin 31, and at least 8 primary mixing tanks are correspondingly used for primarily mixing the materials.

The utility model discloses a theory of operation:

when the user uses the mixer, firstly, materials to be premixed such as 3 glue materials are singly primarily mixed, after the primary mixing is finished, the materials are poured into a charging bin 31, a conveying motor 33 is started, a conveying auger 34 is driven by a belt 35 to start running, sand and stone are lifted to an outlet by the conveying auger 34 in a conveying pipeline 32, the sand and stone enter a mixing cavity 17 from a feeding hole 112, a gear ring 14 on the outer wall of a mixing barrel 1 is driven by a gear wheel at the output end of a rotating motor 23, a universal ball wheel 15 moves in a ring groove 21, a first mixing blade 13 rotates along with the mixing barrel 1, sand is not easy to adhere to the inner wall of the mixing barrel 1 due to the continuous rotation of the mixing barrel 1, a mixing rod 16 also runs along with the rotation direction of the mixing motor, sand and sand flow continuously moves up and down in the mixing cavity 17 due to the different rotation directions of the two mixing rods 16, water is continuously sprayed into the mixing cavity 17 along with a, meanwhile, the sand and the stone are not easy to delaminate, and the sand and the stone after being stirred fall into the conveying belt 122 from the discharge port 121 and are conveyed to the concrete mixer through the conveying belt 122. Whole device, the layering appears in the effectual gravel and sand of having avoided, and stirring quality is high, stirs efficiently, simultaneously because the gravel and sand of adhesion on the bucket wall is few, and inside clearance is easier.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The premixing device for concrete stirring is characterized by comprising a stirring barrel (1), a base (2) and a feeding mechanism (3), wherein an upper cover plate (11) and a lower cover plate (12) are respectively installed at two ends of the stirring barrel (1) through a rotary gasket (4), the stirring barrel (1), the upper cover plate (11) and the lower cover plate (12) are surrounded to form a stirring cavity (17), a first stirring blade (13) is arranged on the inner wall of the stirring barrel (1), a gear ring (14) is arranged on the outer wall of the stirring barrel in a surrounding manner, a universal ball wheel (15) is arranged at the lower part of the stirring barrel (1), an annular groove (21) for accommodating the movement of the universal ball wheel (15) is arranged on the base (2), the upper cover plate (11) is fixed on the base (2) through a fixing frame (111), a feeding hole (112) is formed in one side of the upper cover plate (11), and the lower cover plate (12), apron (12) run through down and install puddler (16) to stirring chamber (17) that a plurality of rotation directions are different, be provided with second stirring leaf (18) on puddler (16), puddler (16) are driven by agitator motor (22) that set up on base (2), the export setting of feed mechanism (3) is in the top of feed inlet (112), ring gear (14) are driven by rotation motor (23) that set up on the base, apron (12) are provided with discharge gate (121) with upper cover plate (11) one side opposite of feed inlet (112) down, discharge gate (121) below is provided with conveyer belt (122).

2. A pre-mixing apparatus for concrete mixing according to claim 1, characterised in that: feeding mechanism (3) are including loading bin (31), transportation pipeline (32), transportation motor (33), be provided with fortune material auger (34) in transportation pipeline (32), the one end setting of transportation pipeline (32) is in loading bin (31), and the other end is the export of feeding mechanism (3), fortune material auger (34) one end is passed through belt (35) and is connected at transportation motor (33) output.

3. A pre-mixing apparatus for concrete mixing according to claim 1, characterised in that: the stirring barrel (1) is a cylinder or a square cylinder.

4. A pre-mixing apparatus for concrete mixing according to claim 3, characterised in that: the number of the stirring rods (16) is 2 or 4, and the rotating directions of the adjacent stirring rods (16) are different.

5. A pre-mixing apparatus for concrete mixing according to claim 4, characterised in that: the first stirring blade (13) is inclined downwards, and the inclination angle is between 30 and 60 degrees.

6. A pre-mixing apparatus for concrete mixing according to claim 5, characterised in that: and a cold water spray head is arranged on the upper cover plate (11).