阅读说明：本技术 一种建筑用均匀混凝土搅拌设备 (Uniform concrete stirring equipment for building ) 是由 雷正清 于 2021-09-22 设计创作，主要内容包括：本发明属于混凝土搅拌技术领域,尤其是一种建筑用均匀混凝土搅拌设备,针对现有混凝土的搅拌设备十分复杂,使用不便,且不能均匀的进行搅拌,且上料和加水多通过人工抬高加入,增加了劳动强度的问题,现提出如下方案,其包括混料筒,混料筒的左侧设置有垂直上料筒,垂直上料筒的顶部连接有伺服电机,伺服电机的输出轴上连接有上料轴,上料轴的外侧固定安装有螺旋上料叶,螺旋上料叶与垂直上料筒的内壁相适配,混料筒内竖直转动安装有搅拌轴,搅拌轴的外侧固定安装有多个搅拌杆,搅拌轴与上料轴传动连接。本发明操作方便,不能均匀的对混凝土原料进行搅拌,避免人工抬高上料和加水,降低了劳动强度。(The invention belongs to the technical field of concrete stirring, and particularly relates to uniform concrete stirring equipment for buildings, which aims at solving the problems that the existing concrete stirring equipment is very complicated, inconvenient to use and incapable of uniformly stirring, and the feeding and water adding are mostly added by manual lifting, so that the labor intensity is increased. The concrete stirring device is convenient to operate, concrete raw materials cannot be uniformly stirred, manual lifting and feeding and water adding are avoided, and labor intensity is reduced.)

1. The uniform concrete stirring equipment for the building comprises a mixing barrel (1), wherein a vertical feeding barrel (4) is arranged on the left side of the mixing barrel (1), and is characterized in that the top of the vertical feeding barrel (4) is connected with a servo motor (8), a feeding shaft (6) is connected onto an output shaft of the servo motor (8), a spiral feeding blade (7) is fixedly installed on the outer side of the feeding shaft (6), the spiral feeding blade (7) is matched with the inner wall of the vertical feeding barrel (4), a stirring shaft (10) is vertically and rotatably installed in the mixing barrel (1), a plurality of stirring rods (19) are fixedly installed on the outer side of the stirring shaft (10), the stirring shaft (10) is in transmission connection with the feeding shaft (6), four spiral shafts (14) are rotatably installed in the mixing barrel (1), the outer sides of the four spiral shafts (14) are respectively provided with a spiral blade (15), and the four spiral shafts (14) are in transmission connection with the stirring shaft (10), the top of the mixing barrel (1) is provided with a conical barrel (2), a feeding pipe (3) is communicated between the bottom of the conical barrel (2) and the mixing barrel (1), a same material guide pipe (9) is communicated between the vertical feeding barrel (4) and the conical barrel (2), and the top of the conical barrel (2) is provided with a water spraying mechanism and an alkaline water agent adding mechanism.

2. The uniform concrete mixing equipment for the building as claimed in claim 1, wherein the water spraying mechanism comprises a circular cylinder (22), water absorption slurry (23), a plurality of spray heads (24) and a water inlet pipe (25), the circular cylinder (22) is arranged at the top of the conical cylinder (2), the water absorption slurry (23) is transversely rotatably arranged in the circular cylinder (22), the left end of the water absorption slurry (23) is rotatably connected with the mixing shaft (10), the plurality of spray heads (24) are arranged at the bottom of the circular cylinder (22), the plurality of spray heads (24) extend into the circular cylinder (22), and the water inlet pipe (25) is communicated with the outer side of the circular cylinder (22).

3. The homogeneous concrete mixing equipment for buildings according to claim 2, wherein the top end of the mixing shaft (10) extends to the top of the conical cylinder (2) and is fixedly provided with a first bevel gear (26), the left end of the water absorption slurry (23) is fixedly provided with a second bevel gear (27), and the first bevel gear (26) is meshed with the second bevel gear (27).

4. The uniform concrete mixing equipment for buildings according to claim 1, wherein the alkali water adding mechanism comprises an alkali water tank (33), a support rod (34), a turnover plate (35), a torsion spring (36), a plugging head (37), an alkali water pipe (38), a driving unit and an adding port (41), the alkali water tank (33) is arranged at the top of the cone-shaped cylinder (2), the adding port (41) is arranged at the top of the cone-shaped cylinder (2), the alkali water pipe (38) is communicated between the alkali water tank (33) and the cone-shaped cylinder (2), the support rod (34) is fixedly arranged on the inner wall of the bottom of the alkali water tank (33), the turnover plate (35) is rotatably connected with the support rod (34), one end of the torsion spring (36) is connected with the turnover plate (35), the other end of the torsion spring (36) is connected with the support rod (34), the plugging head (37) is connected with the bottom of the turnover plate (35), the plugging head (37) is matched with the alkaline water pipe (38), the driving unit is positioned on the alkaline water tank (33), and the driving unit is connected with the turnover plate (35).

5. A homogeneous concrete mixing apparatus for building according to claim 4, the drive unit comprises a poking plate (28), a poking rod (29), a round rod (30), a round plate (31), a stress rod (32), a cam (39) and a stress plate (40), wherein the stress plate (40) is connected with the right end of a turnover plate (35), the round rod (30) is transversely installed on an alkali water tank (33) in a rotating mode, the left end of the round rod (30) is connected with the cam (39), the cam (39) is in contact with the stress plate (40), the right end of the round rod (30) is connected with the round plate (31), the stress rod (32) is a plurality of and is uniformly distributed on the right side of the round plate (31), the poking plate (28) is fixedly arranged on the outer side of a stirring shaft (10), the poking rod (29) is fixedly arranged on the outer side of the poking plate (28), and the poking rod (29) is matched with the stress rod (32).

6. The uniform concrete mixing equipment for the building as claimed in claim 1, wherein a first belt pulley (11) is fixedly installed at the bottom end of the feeding shaft (6), a second belt pulley (12) is fixedly installed at the bottom end of the mixing shaft (10), and the same belt (13) is in transmission connection with the outer sides of the first belt pulley (11) and the second belt pulley (12).

7. The homogeneous concrete mixing equipment for buildings according to claim 1, wherein two first chain wheels (17) are fixedly installed on the outer side of the mixing shaft (10), second chain wheels (18) are fixedly installed at the bottom ends of the four screw shafts (14), and the same chain (16) is meshed with the outer sides of the first chain wheels (17) and the corresponding two second chain wheels (18).

8. The homogeneous concrete mixer for construction according to claim 1, wherein a plurality of inclined plates (21) are provided on the outer side of the mixer shaft (10), and the plurality of inclined plates (21) are adapted to the inner wall of the tapered cylinder (2).

9. The homogeneous concrete mixing equipment for building according to claim 1, characterized in that the outer side of the vertical feeding barrel (4) is communicated with a feeding port (5), and the outer side of the mixing barrel (1) is provided with a discharging port (20).

10. The concrete mixer for building according to claim 1, wherein two supporting columns (45) are fixedly installed on the top of the mixing cylinder (1), and the top ends of the supporting columns (45) are connected with the bottom of the conical cylinder (2).

Technical Field

The invention relates to the technical field of concrete mixing, in particular to uniform concrete mixing equipment for buildings.

Background

The building is a general name of buildings and structures, and is a general name of the buildings and the structures, people can meet the needs of social life, the buildings are always closely related to the life of human beings by utilizing the mastered material technical means, the modern buildings are mainly built by steel bars and concrete, and the raw materials of the mixed soil mainly comprise: water, cement, sand, an alkali water agent and the like, and the main raw materials of the concrete need to be mixed and stirred before the concrete is used.

The existing concrete stirring equipment is very complex, inconvenient to use and incapable of uniformly stirring, and the feeding and the water adding are mostly carried out by manually lifting and adding, so that the labor intensity is increased.

Disclosure of Invention

The invention aims to solve the defects that the existing concrete stirring equipment is very complex, inconvenient to use and incapable of uniformly stirring, and the labor intensity is increased because feeding and water adding are mostly manually lifted and added.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a concrete mixing equipment for building even, including the compounding section of thick bamboo, the left side of compounding section of thick bamboo is provided with perpendicular feed cylinder, the top of perpendicular feed cylinder is connected with servo motor, be connected with the material loading axle on servo motor's the output shaft, the outside fixed mounting of material loading axle has spiral material loading leaf, spiral material loading leaf and the inner wall looks adaptation of perpendicular feed cylinder, vertical rotation installs the (mixing) shaft in the compounding section of thick bamboo, the outside fixed mounting of (mixing) shaft has a plurality of puddlers, the (mixing) shaft is connected with the material loading axle transmission, four screw axes are installed to compounding section of thick bamboo internal rotation, the outside of four screw axes all is provided with the spiral leaf, four screw axes are connected with the (mixing) shaft transmission, the top of compounding section of thick bamboo is provided with the toper section of thick bamboo, the intercommunication has the inlet pipe between the bottom of toper section of thick bamboo, the intercommunication has same stock guide between perpendicular feed cylinder and the toper section of thick bamboo, the top of toper section of thick bamboo is provided with water spray mechanism and buck agent and adds the mechanism.

Preferably, the water spray mechanism comprises a circular cylinder, water absorption slurry, a spray head and a water inlet pipe, the circular cylinder is arranged at the top of the conical cylinder, the water absorption slurry is transversely rotatably arranged in the circular cylinder, the left end of the water absorption slurry is rotatably connected with the stirring shaft, the spray head is a plurality of nozzles which are arranged at the bottom of the circular cylinder, the plurality of spray heads extend into the circular cylinder, the water inlet pipe is communicated with the outer side of the circular cylinder, the top end of the stirring shaft extends to the top of the conical cylinder, a first bevel gear is fixedly arranged on the top end of the stirring shaft, a second bevel gear is fixedly arranged on the left end of the water absorption slurry, and the first bevel gear is meshed with the second bevel gear.

Preferably, the alkaline water agent adding mechanism comprises an alkaline water tank, a supporting rod, a turnover plate, a torsion spring, a plugging head, an alkaline water pipe, a driving unit and an adding port, the alkaline water tank is arranged at the top of the conical barrel, the adding port is arranged at the top of the conical barrel, the alkaline water pipe is communicated between the alkaline water tank and the conical barrel, the supporting rod is fixedly arranged on the inner wall of the bottom of the alkaline water tank, the turnover plate is rotatably connected with the supporting rod, one end of the torsion spring is connected with the turnover plate, the other end of the torsion spring is connected with the supporting rod, the plugging head is connected with the bottom of the turnover plate and is matched with the alkaline water pipe, the driving unit is positioned on the alkaline water tank, the driving unit is connected with the turnover plate, the driving unit comprises a poking plate, a poking rod, a round plate, a stress rod, a cam and a stress plate, the stress plate is connected with the right end of the turnover plate, the round rod is transversely rotatably arranged on the alkaline water tank, and the left end of the round rod is connected with the cam, the cam contacts with the stress plate, and the right-hand member of round bar links to each other with the plectane, and the stress rod is a plurality of and evenly arranges on the right side of plectane, and the stirring board is fixed to be set up in the outside of (mixing) shaft, and the fixed setting of stirring rod is in the outside of stirring board, stirring rod and stress rod looks adaptation.

Preferably, the bottom end of the feeding shaft is fixedly provided with a first belt pulley, the bottom end of the stirring shaft is fixedly provided with a second belt pulley, and the first belt pulley and the second belt pulley are in transmission connection with the same belt.

Preferably, two first chain wheels are fixedly mounted on the outer side of the stirring shaft, second chain wheels are fixedly mounted at the bottom ends of the four spiral shafts, and the same chain is meshed with the outer sides of the first chain wheels and the two corresponding second chain wheels.

Preferably, the outer side of the stirring shaft is provided with a plurality of inclined plates, and the inclined plates are matched with the inner wall of the conical cylinder.

Preferably, the outer side of the vertical feeding barrel is communicated with a feeding port, the outer side of the mixing barrel is provided with a discharging port, the top of the mixing barrel is fixedly provided with two supporting columns, and the top ends of the supporting columns are connected with the bottom of the conical barrel.

Preferably, the bottom of the mixing cylinder is provided with a supporting buffer mechanism, the supporting buffer mechanism comprises four supporting legs, four damping buffer springs and four supporting cylinders, the four supporting legs are all connected with the bottom of the mixing cylinder, the supporting legs are slidably mounted in the corresponding supporting cylinders, and the damping buffer springs are arranged between the supporting legs and the supporting cylinders.

Compared with the prior art, the invention has the advantages that:

the scheme is convenient to use, and can automatically add concrete raw materials and water into the mixing barrel, so that workers are prevented from lifting the concrete and adding the water, and manpower is saved;

according to the scheme, the stirring shaft can drive the water absorption slurry to rotate in the circular cylinder while stirring the concrete raw material, so that negative pressure is formed in the circular cylinder, tap water is sprayed into the conical cylinder through the water inlet pipe, the circular cylinder and the spray head, the tap water is in initial contact with the concrete raw material, and meanwhile, the stirring shaft drives the plurality of inclined plates to rotate;

according to the scheme, the stirring shaft drives the turnover plate to turn over in a reciprocating manner under the matching of the driving unit and the torsion spring, so that the alkaline water agent can be intermittently added into the conical barrel, and the mixing uniformity of the alkaline water agent and the concrete raw material is improved;

this scheme (mixing) shaft drives four screw axes rotatoryly through two first sprockets, two chains and four second sprockets, and the screw axis drives the spiral leaf rotation and promotes mixing the earth raw materials, avoids mixing the earth raw materials and deposits, has improved mixed effect for it is more even to mix.

The concrete stirring device is convenient to operate, concrete raw materials cannot be uniformly stirred, manual lifting and feeding and water adding are avoided, and labor intensity is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a uniform concrete mixing device for construction according to the present invention;

FIG. 2 is a schematic perspective view of a part of a construction uniform concrete mixing apparatus according to the present invention;

FIG. 3 is a schematic structural view of part A of a homogeneous concrete mixing apparatus for construction according to the present invention;

FIG. 4 is a schematic perspective view of the toggle plate, the toggle rod, the round plate and the stress rod of the homogeneous concrete mixing plant for construction according to the present invention;

fig. 5 is a schematic top view of the screw shaft, the chain, the first sprocket, the second sprocket and the stirring shaft of the uniform concrete stirring device for building according to the present invention.

In the figure: 1. a mixing barrel; 2. a tapered barrel; 3. a feed pipe; 4. vertically loading the material barrel; 5. a feed inlet; 6. a feeding shaft; 7. a spiral feeding blade; 8. a servo motor; 9. a material guide pipe; 10. a stirring shaft; 11. a first pulley; 12. a second pulley; 13. a belt; 14. a screw shaft; 15. helical leaves; 16. a chain; 17. a first sprocket; 18. a second sprocket; 19. a stirring rod; 20. a discharge port; 21. an inclined plate; 22. a circular cylinder; 23. water absorption slurry; 24. a spray head; 25. a water inlet pipe; 26. a first bevel gear; 27. a second bevel gear; 28. a poking plate; 29. a poke rod; 30. a round bar; 31. a circular plate; 32. a stress beam; 33. an alkaline water tank; 34. a support bar; 35. a turnover plate; 36. a torsion spring; 37. a plugging head; 38. an alkali water pipe; 39. a cam; 40. a stress plate; 41. an inlet port; 42. a support cylinder; 43. a damping buffer spring; 44. supporting legs; 45. and a support pillar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-5, a uniform concrete mixing device for construction comprises a mixing barrel 1, a vertical charging barrel 4 is arranged on the left side of the mixing barrel 1, a servo motor 8 is connected on the top of the vertical charging barrel 4, a charging shaft 6 is connected on an output shaft of the servo motor 8, a spiral charging blade 7 is fixedly installed on the outer side of the charging shaft 6, the spiral charging blade 7 is matched with the inner wall of the vertical charging barrel 4, a stirring shaft 10 is vertically and rotatably installed in the mixing barrel 1, a plurality of stirring rods 19 are fixedly installed on the outer side of the stirring shaft 10, the stirring shaft 10 is in transmission connection with the charging shaft 6, four spiral shafts 14 are rotatably installed in the mixing barrel 1, spiral blades 15 are respectively arranged on the outer sides of the four spiral shafts 14, the four spiral shafts 14 are in transmission connection with the stirring shaft 10, a conical barrel 2 is arranged on the top of the mixing barrel 1, a feeding pipe 3 is communicated between the bottom of the conical barrel 2 and the mixing barrel 1, the same material guide pipe 9 is communicated between the vertical charging barrel 4 and the conical barrel 2, and the top of the conical barrel 2 is provided with a water spraying mechanism and an alkaline water agent adding mechanism.

In this embodiment, the water spraying mechanism includes a circular cylinder 22, water absorption slurry 23, nozzles 24 and a water inlet pipe 25, the circular cylinder 22 is disposed at the top of the conical cylinder 2, the water absorption slurry 23 is transversely rotatably installed in the circular cylinder 22, the left end of the water absorption slurry 23 is rotatably connected with the stirring shaft 10, the nozzles 24 are plural and are all disposed at the bottom of the circular cylinder 22, the plural nozzles 24 all extend into the circular cylinder 22, the water inlet pipe 25 is communicated with the outer side of the circular cylinder 22, the top end of the stirring shaft 10 extends to the top of the conical cylinder 2 and is fixedly installed with a first bevel gear 26, the left end of the water absorption slurry 23 is fixedly installed with a second bevel gear 27, the first bevel gear 26 is engaged with the second bevel gear 27, the stirring shaft 10 drives the water absorption slurry 23 to rotate through the first bevel gear 26 and the second bevel gear 27, the water absorption slurry 23 rotates in the circular cylinder 22, so that tap water is formed in the circular cylinder 22 and enters the circular cylinder 22 through the water inlet pipe 25, then sprayed into the conical barrel 2 through the spray head 24, and the tap water is primarily contacted with the concrete raw material.

In this embodiment, the alkaline water adding mechanism includes an alkaline water tank 33, a support rod 34, an inversion plate 35, a torsion spring 36, a plugging head 37, an alkaline water pipe 38, a driving unit and an adding port 41, the alkaline water tank 33 is disposed on the top of the conical barrel 2, the adding port 41 is disposed on the top of the conical barrel 2, the alkaline water pipe 38 is communicated between the alkaline water tank 33 and the conical barrel 2, the support rod 34 is fixedly mounted on the inner wall of the bottom of the alkaline water tank 33, the inversion plate 35 is rotatably connected with the support rod 34, one end of the torsion spring 36 is connected with the inversion plate 35, the other end of the torsion spring 36 is connected with the support rod 34, the plugging head 37 is connected with the bottom of the inversion plate 35, the plugging head 37 is adapted to the alkaline water pipe 38, the driving unit is disposed on the alkaline water tank 33, the driving unit is connected with the inversion plate 35, the driving unit includes a dial plate 28, a dial rod 29, a round rod 30, a round rod 31, a round rod 32, a cam 39 and a stress plate 40, the stress plate 40 is connected with the right end of the turnover plate 35, the round rod 30 is transversely rotatably installed on the alkali water tank 33, the left end of the round rod 30 is connected with the cam 39, the cam 39 is in contact with the stress plate 40, the right end of the round rod 30 is connected with the round plate 31, the stress rods 32 are uniformly distributed on the right side of the round plate 31, the poking plate 28 is fixedly arranged on the outer side of the stirring shaft 10, the poking rod 29 is fixedly arranged on the outer side of the poking plate 28, the poking rod 29 is matched with the stress rod 32, the stirring shaft 10 drives the poking plate 28 to rotate, the poking plate 28 drives the poking rod 29 to rotate, the poking rod 29 rotates once to poke the stress rod 32, the stress rod 32 rotates for a certain angle after being stressed, the stress rod 32 drives the round rod 30 to rotate through the round plate 31, the round rod 30 drives the cam 39 to rotate for a certain angle, the cam 39 rotates to extrude the stress plate 40, the stress plate 40 is driven by upward extrusion force to overturn the turnover plate 35, the overturning plate 35 drives the plugging head 37 to leave the alkaline water pipe 38, the alkaline water agent enters the conical barrel 2 through the alkaline water pipe 38 to contact with the concrete raw material, and at the moment when the poke rod 29 leaves the stress rod 32, under the action of the torsion spring 36, the overturning plate 35 drives the plugging head 37 to reset to block the alkaline water pipe 38, so that the alkaline water agent can be intermittently added into the conical barrel 2, and the mixing uniformity of the alkaline water agent and the concrete raw material is improved.

In this embodiment, the bottom end of the feeding shaft 6 is fixedly provided with a first belt pulley 11, the bottom end of the stirring shaft 10 is fixedly provided with a second belt pulley 12, and the outer sides of the first belt pulley 11 and the second belt pulley 12 are in transmission connection with a same belt 13.

In this embodiment, two first chain wheels 17 are fixedly mounted on the outer side of the stirring shaft 10, and second chain wheels 18 are fixedly mounted at the bottom ends of the four spiral shafts 14, the same chain 16 is engaged with the outer sides of the first chain wheels 17 and the two corresponding second chain wheels 18, and the diameter of the first chain wheel 17 is larger than that of the second chain wheels 18, so that the chain 16 can be prevented from being disengaged from the first chain wheel 17.

In this embodiment, the outer side of the stirring shaft 10 is provided with a plurality of inclined plates 21, and the plurality of inclined plates 21 are all adapted to the inner wall of the tapered cylinder 2.

In this embodiment, the outer side of the vertical charging barrel 4 is communicated with the charging port 5, the outer side of the mixing barrel 1 is provided with the discharging port 20, the top of the mixing barrel 1 is fixedly provided with two supporting columns 45, and the top ends of the supporting columns 45 are connected with the bottom of the conical barrel 2.

In this embodiment, the bottom of mixing barrel 1 is provided with the support buffer mechanism, and the support buffer mechanism includes four supporting legs 44, four damping buffer springs 43 and four supporting barrels 42, and four supporting legs 44 all link to each other with the bottom of mixing barrel 1, and supporting leg 44 slidable mounting is in the corresponding supporting barrel 42, and damping buffer spring 43 sets up between supporting leg 44 and supporting barrel 42.

In the embodiment, when the mixer is used, firstly, an alkali water agent is added into an alkali water tank 33, a water inlet pipe 25 is connected with tap water, a concrete raw material is added through a feeding port 5, a servo motor 8 is started, the servo motor 8 drives a feeding shaft 6 to rotate, the feeding shaft 6 drives a spiral feeding blade 7 to rotate, the spiral feeding blade 7 lifts the concrete raw material upwards, the condition that workers lift the concrete for feeding is avoided, manpower is saved, the concrete raw material enters a conical barrel 2 through a material guide pipe 9, falls into a feeding pipe 3 along the inner wall of the conical barrel 2 and then enters a mixing barrel 1, and the feeding shaft 6 drives a stirring shaft 10 to rotate through a first belt pulley 11, a second belt pulley 12 and a belt 13;

firstly, the stirring shaft 10 drives the water absorption slurry 23 to rotate through the first bevel gear 26 and the second bevel gear 27, the water absorption slurry 23 rotates in the circular cylinder 22, so that negative pressure is formed in the circular cylinder 22, tap water enters the circular cylinder 22 through the water inlet pipe 25 and then is sprayed into the conical cylinder 2 through the spray head 24, the tap water is in initial contact with the concrete raw material, meanwhile, the stirring shaft 10 drives the plurality of inclined plates 21 to rotate, the plurality of inclined plates 21 are used for preventing the concrete raw material from being stacked together, the concrete raw material can be helped to be uniformly spread on the inner wall of the conical cylinder 2, and on the other hand, the concrete raw material can be primarily mixed with the tap water;

secondly, the stirring shaft 10 drives the stirring plate 28 to rotate, the stirring plate 28 drives the stirring rod 29 to rotate, the stirring rod 29 rotates for a circle to stir the stress rod 32 once, the stress rod 32 rotates for a certain angle after being stressed, the stress rod 32 drives the round rod 30 to rotate through the round plate 31, the round rod 30 drives the cam 39 to rotate for a certain angle, the cam 39 rotates to extrude the stress plate 40, the stress plate 40 drives the turnover plate 35 to turn over under the upward extrusion force, the turnover plate 35 drives the plugging head 37 to leave the alkaline water pipe 38, the alkaline water enters the conical barrel 2 through the alkaline water pipe 38 to be contacted with the concrete raw material, when the stirring rod 29 leaves the stress rod 32, the turnover plate 35 drives the plugging head 37 to reset under the torsion action of the torsion spring 36 to plug the alkaline water pipe 38, so that the alkaline water can be intermittently added into the conical barrel 2, and the mixing uniformity of the alkaline water and the concrete raw material is improved;

thirdly, the stirring shaft 10 drives the four screw shafts 14 to rotate through the two first chain wheels 17, the two chains 16 and the four second chain wheels 18, the screw shafts 14 drive the screw blades 15 to rotate so as to lift the concrete raw materials, the concrete raw materials are prevented from precipitating, the mixing effect is improved, after the mixing is completed, the servo motor 8 is stopped, the discharge hole 20 is opened, and the concrete is led out.

Example two

Referring to fig. 1-5, a uniform concrete mixing device for construction comprises a mixing barrel 1, a vertical charging barrel 4 is arranged on the left side of the mixing barrel 1, a servo motor 8 is connected on the top of the vertical charging barrel 4, a charging shaft 6 is connected on an output shaft of the servo motor 8, a spiral charging blade 7 is fixedly installed on the outer side of the charging shaft 6, the spiral charging blade 7 is matched with the inner wall of the vertical charging barrel 4, a stirring shaft 10 is vertically and rotatably installed in the mixing barrel 1, a plurality of stirring rods 19 are fixedly installed on the outer side of the stirring shaft 10, the stirring shaft 10 is in transmission connection with the charging shaft 6, four spiral shafts 14 are rotatably installed in the mixing barrel 1, spiral blades 15 are respectively arranged on the outer sides of the four spiral shafts 14, the four spiral shafts 14 are in transmission connection with the stirring shaft 10, a conical barrel 2 is arranged on the top of the mixing barrel 1, a feeding pipe 3 is communicated between the bottom of the conical barrel 2 and the mixing barrel 1, the same material guide pipe 9 is communicated between the vertical feeding barrel 4 and the conical barrel 2, the top of the conical barrel 2 is provided with a water spraying mechanism and an alkaline water agent adding mechanism, and the bottom of the mixing barrel 1 is provided with a supporting buffer mechanism.

In this embodiment, the water spraying mechanism includes a circular cylinder 22, water absorption slurry 23, nozzles 24 and a water inlet pipe 25, the circular cylinder 22 is disposed at the top of the conical cylinder 2, the water absorption slurry 23 is transversely rotatably installed in the circular cylinder 22, the left end of the water absorption slurry 23 is rotatably connected with the stirring shaft 10, the nozzles 24 are plural and are all disposed at the bottom of the circular cylinder 22, the plural nozzles 24 all extend into the circular cylinder 22, the water inlet pipe 25 is communicated with the outer side of the circular cylinder 22, the top end of the stirring shaft 10 extends to the top of the conical cylinder 2 and is fixedly installed with a first bevel gear 26, the left end of the water absorption slurry 23 is fixedly installed with a second bevel gear 27, the first bevel gear 26 is engaged with the second bevel gear 27, the stirring shaft 10 drives the water absorption slurry 23 to rotate through the first bevel gear 26 and the second bevel gear 27, the water absorption slurry 23 rotates in the circular cylinder 22, so that tap water is formed in the circular cylinder 22 and enters the circular cylinder 22 through the water inlet pipe 25, then sprayed into the conical barrel 2 through the spray head 24, and the tap water is primarily contacted with the concrete raw material.

In this embodiment, the alkaline water adding mechanism includes an alkaline water tank 33, a support rod 34, an inversion plate 35, a torsion spring 36, a plugging head 37, an alkaline water pipe 38, a driving unit and an adding port 41, the alkaline water tank 33 is disposed on the top of the conical barrel 2, the adding port 41 is disposed on the top of the conical barrel 2, the alkaline water pipe 38 is communicated between the alkaline water tank 33 and the conical barrel 2, the support rod 34 is fixedly mounted on the inner wall of the bottom of the alkaline water tank 33, the inversion plate 35 is rotatably connected with the support rod 34, one end of the torsion spring 36 is connected with the inversion plate 35, the other end of the torsion spring 36 is connected with the support rod 34, the plugging head 37 is connected with the bottom of the inversion plate 35, the plugging head 37 is adapted to the alkaline water pipe 38, the driving unit is disposed on the alkaline water tank 33, the driving unit is connected with the inversion plate 35, the driving unit includes a dial plate 28, a dial rod 29, a round rod 30, a round rod 31, a round rod 32, a cam 39 and a stress plate 40, the stress plate 40 is connected with the right end of the turnover plate 35, the round rod 30 is transversely rotatably installed on the alkali water tank 33, the left end of the round rod 30 is connected with the cam 39, the cam 39 is in contact with the stress plate 40, the right end of the round rod 30 is connected with the round plate 31, the stress rods 32 are uniformly distributed on the right side of the round plate 31, the poking plate 28 is fixedly arranged on the outer side of the stirring shaft 10, the poking rod 29 is fixedly arranged on the outer side of the poking plate 28, the poking rod 29 is matched with the stress rod 32, the stirring shaft 10 drives the poking plate 28 to rotate, the poking plate 28 drives the poking rod 29 to rotate, the poking rod 29 rotates once to poke the stress rod 32, the stress rod 32 rotates for a certain angle after being stressed, the stress rod 32 drives the round rod 30 to rotate through the round plate 31, the round rod 30 drives the cam 39 to rotate for a certain angle, the cam 39 rotates to extrude the stress plate 40, the stress plate 40 is driven by upward extrusion force to overturn the turnover plate 35, the overturning plate 35 drives the plugging head 37 to leave the alkaline water pipe 38, the alkaline water agent enters the conical barrel 2 through the alkaline water pipe 38 to contact with the concrete raw material, and at the moment when the poke rod 29 leaves the stress rod 32, under the action of the torsion spring 36, the overturning plate 35 drives the plugging head 37 to reset to block the alkaline water pipe 38, so that the alkaline water agent can be intermittently added into the conical barrel 2, and the mixing uniformity of the alkaline water agent and the concrete raw material is improved.

In this embodiment, the bottom end of the feeding shaft 6 is fixedly provided with a first belt pulley 11, the bottom end of the stirring shaft 10 is fixedly provided with a second belt pulley 12, and the outer sides of the first belt pulley 11 and the second belt pulley 12 are in transmission connection with a same belt 13.

In this embodiment, two first chain wheels 17 are fixedly mounted on the outer side of the stirring shaft 10, and second chain wheels 18 are fixedly mounted at the bottom ends of the four spiral shafts 14, the same chain 16 is engaged with the outer sides of the first chain wheels 17 and the two corresponding second chain wheels 18, and the diameter of the first chain wheel 17 is larger than that of the second chain wheels 18, so that the chain 16 can be prevented from being disengaged from the first chain wheel 17.

In this embodiment, the outer side of the stirring shaft 10 is provided with a plurality of inclined plates 21, and the plurality of inclined plates 21 are all adapted to the inner wall of the tapered cylinder 2.

In this embodiment, the outer side of the vertical charging barrel 4 is communicated with the charging port 5, the outer side of the mixing barrel 1 is provided with the discharging port 20, the top of the mixing barrel 1 is fixedly provided with two supporting columns 45, and the top ends of the supporting columns 45 are connected with the bottom of the conical barrel 2.

In this embodiment, the supporting buffer mechanism includes four supporting legs 44, four damping buffer springs 43 and four supporting cylinders 42, the four supporting legs 44 are all connected with the bottom of the mixing cylinder 1, the supporting legs 44 are slidably mounted in the corresponding supporting cylinders 42, and the damping buffer springs 43 are disposed between the supporting legs 44 and the supporting cylinders 42.

In this embodiment, the second embodiment is different from the first embodiment in that: add and support buffer gear and can play the absorbing effect of buffering to mixing cylinder 1 when concrete raw materials stirring mixes, specifically do: the mixing barrel 1 transmits the vibration received during working to the supporting legs 44, the supporting legs 44 transmit the vibration to the damping buffer springs 43, and the damping buffer springs 43 play a role in damping shock absorption.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.