CN213859958U

CN213859958U - Conveying and screening device for concrete production

Info

Publication number: CN213859958U
Application number: CN202022558808.5U
Authority: CN
Inventors: 张扬灶
Original assignee: Jiangmen Weizhen Concrete Development Co ltd
Current assignee: Jiangmen Weizhen Concrete Development Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-03
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a conveying and screening device for concrete production, which comprises a sand conveying mechanism and a cement conveying mechanism, the sand and stone conveying mechanism is positioned at the left side of the cement conveying mechanism, a stirring box and a material leaking box are arranged between the sand and stone conveying mechanism and the cement conveying mechanism, the bottom ends of the stirring box and the material leaking box are in a taper shape, the bottom end of the stirring box is provided with an electromagnetic valve, the top end of the stirring box is fixedly communicated with a hopper to be charged, a screening device is arranged in the stirring box, the bottom ends of the stirring box and the material leakage box are fixedly communicated with a material mixing box, the bottom end of the material mixing box is fixedly communicated with a material discharging pipe, a discharge valve is arranged on the discharge pipe, a water storage barrel is arranged on the left side of the mixing box, a water delivery pipe is communicated between the water storage barrel and the top end of the mixing box, and gravel aggregate is delivered into the stirring box through a gravel delivery mechanism; powder materials such as cement are conveyed into the material leaking box through the cement conveying mechanism and then leak into the material mixing box.

Description

Conveying and screening device for concrete production

Technical Field

The utility model belongs to the technical field of the concrete production equipment, specifically be a conveying sieving mechanism is used in concrete production.

Background

Aggregate such as stones and powder such as cement are fed according to a given formula in the concrete production process, then water is added to produce concrete through stirring and mixing, when sand grains or gravel aggregate are screened by the conventional concrete production device, screening cannot be uniformly and comprehensively carried out, so that aggregate with large volume blocks aggregate with small volume, screening is insufficient, screening efficiency is low, and blockage is easily caused; simultaneously, the existing concrete production device has a complex structure and complex operation, and the stirring and mixing are not uniform enough, so that the bonding of cement and aggregate is influenced, and the strength and the production efficiency of concrete are reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete production is with conveying sieving mechanism to when solving that prior art exists and screening sand grain or grit aggregate, can not evenly filter comprehensively, lead to the insufficient problem of screening.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a concrete production is with conveying sieving mechanism, includes gravel and sand transport mechanism and cement conveying mechanism, gravel and sand transport mechanism is located cement conveying mechanism's left side, be provided with agitator tank and hourglass workbin between gravel and sand transport mechanism and the cement conveying mechanism, the bottom of agitator tank and hourglass workbin is sharp taper, the solenoid valve is installed to the bottom of agitator tank, the fixed intercommunication in top of agitator tank remains to expect the funnel, be provided with sieving mechanism in the agitator tank, the bottom mounting intercommunication of agitator tank and hourglass workbin has the compounding case, the bottom mounting intercommunication of compounding case has row's material pipe, arrange and install the row's material valve on the material pipe, the compounding case left side is provided with the water storage bucket, the intercommunication has the raceway between water storage bucket and the compounding case top.

Preferably, gravel and sand transport mechanism is including flat belt feeder, the one end that is close to the agitator tank on the flat belt feeder is equipped with oblique belt feeder, the top of oblique belt feeder is located the top opening part of treating the material funnel.

Preferably, cement conveying mechanism includes the conveying pipeline, the conveying pipeline communicates with the hopper, be equipped with defeated material funnel on the conveying pipeline, fixed mounting has screw motor and guard plate in the conveying pipeline, screw motor's output is connected with the power axostylus axostyle through the speed reducer, screw motor and guard plate all are located the right side of conveying pipeline pan feeding mouth, the power axostylus axostyle runs through the guard plate and extends to the outside, fixedly connected with auger on the power axostylus axostyle.

Preferably, the sieving mechanism includes agitator motor and filter screen frame, agitator motor fixed mounting is in the left side of agitator tank, filter screen frame fixed mounting is in the agitator tank, agitator motor's output passes through the speed reducer and connects the puddler, the puddler runs through agitator tank left side wall and inside extending, install the spiral strander on the puddler.

Preferably, the equal fixed mounting in the compounding case left and right sides has the motor, compounding case left side motor is higher than the right side motor, the output of motor is connected with the compounding axostylus axostyle through gear motor, the compounding axostylus axostyle runs through the compounding case and extends to inside, many mixing bars of even fixedly connected with on the compounding axostylus axostyle, many the mixing bar is alternately arranged.

Preferably, the water delivery pipe is provided with a water pump, and the water suction port of the water delivery pipe is positioned at the bottom of the inner cavity of the water storage barrel.

The utility model has the advantages that:

1. the stirring rod is rotated by starting the stirring motor, so that the spiral twisting plate is driven to rotate, the gravel aggregate in the stirring box is continuously overturned up and down, and the filtering screen frame is matched for screening, so that the aggregate with large volume is prevented from blocking the aggregate with small volume, the screening is not sufficient due to blockage, and the screening efficiency is improved;

2. the mixing shaft lever is rotated by starting the motor, so that a plurality of mixing rods are driven to rotate, and the sand and stone aggregate, the cement powder and the water are mixed and stirred to produce qualified concrete; the multiple mixing rods are arranged in a crossed manner, so that the contact area between the mixing rods and aggregate and powder is increased, the mixing and stirring among the gravel aggregate, the cement powder and water are more uniform, and the concrete production efficiency is higher.

Drawings

FIG. 1: is a structural schematic diagram of the conveying and screening device for concrete production of the utility model;

FIG. 2: is the inner structure schematic diagram of the material conveying pipe of the utility model.

In the figure: 1. a gravel delivery mechanism; 11. a belt flattening machine; 12. an inclined belt conveyor; 2. a cement conveying mechanism; 21. a delivery pipe; 22. a material conveying funnel; 23. a screw motor; 24. a protection plate; 25. a power shaft lever; 26. a packing auger; 3. a stirring box; 31. an electromagnetic valve; 32. a hopper for material waiting; 4. a material leaking box; 5. a screening device; 51. a stirring motor; 52. a filter screen frame; 53. a stirring rod; 54. a spiral strander plate; 6. a mixing box; 61. a discharge pipe; 62. a discharge valve; 63. a motor; 64. a compounding shaft 64; 65. a mixing rod; 7. a water storage barrel; 71. a water delivery pipe; 72. and (4) a water pump.

Detailed Description

The technical solution provided by the present invention is clearly and completely described below with reference to the embodiments and the accompanying drawings.

Please refer to fig. 1-2, the present invention provides a technical solution: a conveying and screening device for concrete production comprises a sand conveying mechanism 1 and a cement conveying mechanism 2, wherein the sand conveying mechanism 1 is located on the left side of the cement conveying mechanism 2, a stirring box 3 and a material leaking box 4 are arranged between the sand conveying mechanism 1 and the cement conveying mechanism 2, the bottom ends of the stirring box 3 and the material leaking box 4 are in a taper shape, an electromagnetic valve 31 is installed at the bottom end of the stirring box 3, a hopper 32 to be fed is fixedly communicated with the top end of the stirring box 3, a screening device 5 is arranged in the stirring box 3, a mixing box 6 is fixedly communicated with the bottom ends of the stirring box 3 and the material leaking box 4, a discharging pipe 61 is fixedly communicated with the bottom end of the mixing box 6, a discharging valve 62 is installed on the discharging pipe 61, a water storage barrel 7 is arranged on the left side of the mixing box 6, a water conveying pipe 71 is communicated between the water storage barrel 7 and the top end of the mixing box 6, and sand aggregate is; powder materials such as cement are conveyed into a material leaking box 4 through a cement conveying mechanism 2 and then are leaked into a material mixing box 6; the sand and stone aggregate in the stirring box 3 can be uniformly screened by the screening device 5; the aggregate screened in the stirring box 3 is conveyed to a mixing box 6 to be mixed with powder materials such as cement and the like by opening an electromagnetic valve 31; water in the water storage barrel 7 can be conveyed into the mixing box 6 through the water conveying pipe 71, and is mixed with powder such as cement and sand aggregate to produce concrete, and then the concrete in the mixing box 6 is discharged by opening the discharge valve 62.

Referring to fig. 1, the gravel and sand conveying mechanism 1 comprises a flat belt conveyor 11, an inclined belt conveyor 12 is arranged at one end of the flat belt conveyor 11 close to the stirring box 3, the top end of the inclined belt conveyor 12 is positioned at an opening above a material waiting hopper 32, gravel and sand aggregate is placed on the flat belt conveyor 11 and conveyed to the inclined belt conveyor 12 through the right transmission of the flat belt conveyor 11; the gravel aggregate is conveyed to the waiting hopper 32 through the inclined belt conveyor 12 and then is leaked into the stirring box 3.

Referring to fig. 1-2, the cement conveying mechanism 2 comprises a conveying pipe 21, the conveying pipe 21 is communicated with a leakage box 4, a conveying funnel 22 is arranged on the conveying pipe 21, a screw motor 23 and a protection plate 24 are fixedly arranged in the conveying pipe 21, the output end of the screw motor 23 is connected with a power shaft rod 25 through a speed reducer, the screw motor 23 and the protection plate 24 are both positioned on the right side of a feeding port of the conveying pipe 21, the power shaft rod 25 penetrates through the protection plate 24 and extends to the outside, a packing auger 26 is fixedly connected to the power shaft rod 25, and powder materials such as cement are placed in the conveying funnel 22 and then fall into the conveying pipe 21; the screw motor 23 is started to enable the power shaft rod 25 to rotate, so that the packing auger 26 is driven to rotate, and powder materials such as cement and the like falling into the conveying pipe 21 are pushed to the top end of the conveying pipe 21 to be discharged; the protective plate 24 prevents the powder such as cement falling into the conveying pipe 21 from contacting the screw motor 23, thereby affecting the service life of the device.

Referring to fig. 1, sieving mechanism 5 includes agitator motor 51 and filter screen frame 52, agitator motor 51 fixed mounting is in the left side of agitator tank 3, filter screen frame 52 fixed mounting is in agitator tank 3, agitator motor 51's output passes through the speed reducer and connects puddler 53, puddler 53 runs through agitator tank 3 left side wall and the inside that extends, install spiral strander 54 on the puddler 53, it is rotatory to make puddler 53 through starting agitator motor 51, thereby drive spiral strander 54 and rotate, overturn about constantly going on the gravel aggregate in the agitator tank 3, filter screen frame 52 is filtered in the cooperation, prevent that bulky aggregate from producing blockking to small aggregate, it leads to the screening inadequately to cause the jam, improve the screening efficiency.

Referring to fig. 1, motors 63 are fixedly mounted on the left side and the right side of a mixing box 6, the motor 63 on the left side of the mixing box 6 is higher than the motor 63 on the right side, the output end of the motor 63 is connected with a mixing shaft rod 64 through a speed reduction motor, the mixing shaft rod 64 penetrates through the mixing box 6 and extends into the mixing box, a plurality of mixing rods 65 are uniformly and fixedly connected onto the mixing shaft rod 64, the plurality of mixing rods 65 are arranged in a crossed manner, the mixing shaft rod 64 is rotated by starting the motor 63, so that the plurality of mixing rods 65 are driven to rotate, and gravel aggregate, cement powder and water are mixed and stirred to produce qualified concrete; the multiple mixing rods 65 are arranged in a crossed manner, so that the contact area between the multiple mixing rods and aggregate and powder is increased, the sand aggregate, cement powder and water are mixed and stirred more uniformly, and the concrete production efficiency is higher.

Referring to fig. 1, a water pump 72 is installed on the water pipe 71, a water suction port of the water pipe 71 is located at the bottom of an inner cavity of the water storage barrel 7, and the water pump 72 is started to enable the water pipe 71 to generate suction force so as to drive water in the water storage barrel 7 into the mixing box 6.

The working principle is as follows: when the device is used, gravel aggregate is placed on the flat belt conveyor 11, the flat belt conveyor 11 is started to convey the gravel aggregate to the inclined belt conveyor 12, the inclined belt conveyor 12 is started to convey the gravel aggregate to the hopper 32 to be fed to leak into the stirring box 3, the powder such as cement is placed in the feed hopper 22 to fall into the feed pipe 21, the screw motor 23 is started to rotate the power shaft rod 25 to drive the auger 26 to rotate, the powder such as cement falling into the feed pipe 21 is pushed to the top end of the feed pipe 21 to be discharged into the material leaking box 4 to fall into the mixing box 6, the stirring motor 51 is started to rotate the stirring rod 53 to drive the spiral hinge plate 54 to rotate, the gravel aggregate in the stirring box 3 is continuously turned over up and down and is matched with the filter screen frame 52 to be screened, the electromagnetic valve 31 is opened to slide the screened aggregate in the stirring box 3 into the mixing box 6, the water pump 72 is started to enable the water delivery pipe 71 to generate suction, and the water in the water storage barrel 7 is conveyed into the mixing box 6, and then the motor 63 is started to rotate the mixing shaft lever 64 so as to drive the plurality of mixing rods 65 to rotate, the sand and stone aggregate, the cement powder and the water are mixed and stirred to produce qualified concrete, finally the motor 63 is closed, and the discharge valve 62 is opened to discharge the mixed concrete in the mixing box 6.

Claims

1. The utility model provides a concrete production is with conveying sieving mechanism, includes gravel and sand transport mechanism (1) and cement conveying mechanism (2), its characterized in that: the sand and stone conveying mechanism (1) is positioned at the left side of the cement conveying mechanism (2), a stirring box (3) and a material leakage box (4) are arranged between the sand and stone conveying mechanism (1) and the cement conveying mechanism (2), the bottom ends of the stirring box (3) and the material leaking box (4) are both in a taper shape, the bottom end of the stirring box (3) is provided with an electromagnetic valve (31), the top end of the stirring box (3) is fixedly communicated with a hopper (32) to be charged, a screening device (5) is arranged in the stirring box (3), the bottom ends of the stirring box (3) and the material leakage box (4) are fixedly communicated with a material mixing box (6), the bottom end of the mixing box (6) is fixedly communicated with a discharge pipe (61), a discharge valve (62) is arranged on the discharge pipe (61), the left side of the mixing box (6) is provided with a water storage barrel (7), and a water delivery pipe (71) is communicated between the water storage barrel (7) and the top end of the mixing box (6).

2. The conveying and screening device for concrete production according to claim 1, wherein: gravel and sand transport mechanism (1) is including flat belt feeder (11), the one end that is close to agitator tank (3) on flat belt feeder (11) is equipped with oblique belt feeder (12), the top of oblique belt feeder (12) is located the top opening part of waiting to expect funnel (32).

3. The conveying and screening device for concrete production according to claim 1, wherein: cement conveying mechanism (2) include conveying pipeline (21), conveying pipeline (21) and hourglass workbin (4) are linked together, be equipped with conveying material funnel (22) on conveying pipeline (21), fixed mounting has screw motor (23) and guard plate (24) in conveying pipeline (21), the output of screw motor (23) is connected with power axostylus axostyle (25) through the speed reducer, screw motor (23) and guard plate (24) all are located the right side of conveying pipeline (21) pan feeding mouth, power axostylus axostyle (25) run through guard plate (24) and extend to the outside, fixedly connected with auger (26) on power axostylus axostyle (25).

4. The conveying and screening device for concrete production according to claim 1, wherein: sieving mechanism (5) include agitator motor (51) and filter screen frame (52), agitator motor (51) fixed mounting is in the left side of agitator tank (3), filter screen frame (52) fixed mounting is in agitator tank (3), agitator motor (51)'s output passes through the speed reducer and connects puddler (53), puddler (53) run through inside agitator tank (3) left side wall and extended, install spiral twisted plate (54) on puddler (53).

5. The conveying and screening device for concrete production according to claim 1, wherein: the equal fixed mounting in compounding case (6) left and right sides has motor (63), compounding case (6) left side motor (63) are higher than right side motor (63), the output of motor (63) is connected with compounding axostylus axostyle (64) through gear motor, compounding axostylus axostyle (64) run through compounding case (6) and extend to inside, many mixing rod (65) of even fixedly connected with on compounding axostylus axostyle (64), many mixing rod (65) are the fork and arrange.

6. The conveying and screening device for concrete production according to claim 1, wherein: a water pump (72) is arranged on the water conveying pipe (71), and a water suction port of the water conveying pipe (71) is positioned at the bottom of the inner cavity of the water storage barrel (7).