CN210999421U

CN210999421U - Concrete mixing device for preventing dust diffusion

Info

Publication number: CN210999421U
Application number: CN202020150302.8U
Authority: CN
Inventors: 韩闪闪; 王文昌
Original assignee: Hainan Shengnuo Construction Engineering Co ltd
Current assignee: Hainan Shengnuo Construction Engineering Co ltd
Priority date: 2020-01-23
Filing date: 2020-01-23
Publication date: 2020-07-14
Anticipated expiration: 2030-01-23

Abstract

The utility model relates to a concrete stirring device for preventing dust diffusion, which comprises a casing and a stirring mechanism, the stirring mechanism is arranged in the shell, a feeding channel is arranged on one side of the shell and is communicated with the interior of the shell, the feeding channel comprises a buffer platform at the upper end and an inclined channel at the lower end, a sealing plate is arranged at the outer port of the buffer platform, a feeding opening is arranged in the middle of the sealing plate, operation openings are arranged on two sides of the feeding opening, shielding plates are arranged at the feeding opening and the operation openings, the baffle plate is movably hinged with the inward end of the sealing plate, the device reduces the space for cement dust to diffuse outwards, and when the feeding is not influenced, the dust-collecting device has the advantages that the dust-collecting device has an effective isolation effect, the dust diffusion amount is greatly reduced, the physical and mental safety of workers is guaranteed, and the pollution to the atmosphere is also reduced.

Description

Concrete mixing device for preventing dust diffusion

Technical Field

The utility model relates to a belong to concrete mixing technical field, in particular to prevent concrete mixing device of dust diffusion.

Background

Concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials, and the term concrete generally refers to cement concrete obtained by mixing cement as the cementing material, sand and stone as the aggregate and water according to a certain proportion and stirring. When concrete needs to be stirred on a building construction site, concrete raw materials need to be firstly added into a stirring container through a feeding port, a large amount of dust is generated at the feeding port, and the dust is sucked into human bodies to easily cause diseases and simultaneously easily pollute the atmosphere.

Disclosure of Invention

Therefore, the utility model provides a prevent concrete mixing device of dust diffusion has reduced the space of cement dust outdiffusion, when not influencing the material of throwing, has played effectual isolated effect to the dust, the diffusion volume of the dust that has significantly reduced guarantees workman's physical and mental safety, has also reduced atmospheric pollution.

The technical scheme of the utility model is realized like this:

the utility model provides a prevent concrete mixing device of dust diffusion, including casing and rabbling mechanism, the rabbling mechanism is installed inside the casing, casing one side is equipped with the pan feeding passageway, the pan feeding passageway with the inside intercommunication of casing, the pan feeding passageway includes the slope passageway of the buffering platform and the lower extreme of upper end, the outer port of buffering platform is equipped with the closing plate, the middle part of closing plate is equipped with the pan feeding mouth, the both sides of pan feeding mouth are equipped with the operation mouth, pan feeding mouth and operation mouth department all are equipped with the shielding plate, the shielding plate with the closing plate one end activity inwards is articulated.

Preferably, the stirring mechanism comprises a motor, a stirring shaft and stirring blades, the motor is installed at the top of the casing, the stirring shaft is located inside the casing, the stirring shaft penetrates through the top of the casing and is connected with an output shaft of the motor, and the stirring blades are installed on the circumferential wall surface of the stirring shaft.

Preferably, a water inlet is formed in the top of the machine shell, and a discharge hole is formed in the bottom of the machine shell.

Preferably, the top of the casing is provided with a dust hood, the outer wall of the casing is provided with a collecting box, a collecting box capable of being drawn is arranged inside the collecting box, the dust hood is communicated with the collecting box through a dust suction pipe, and a fan is arranged between the dust hood and the dust suction pipe.

Preferably, a cutting knife is arranged on the inner wall of the tail end of the buffering platform, and the cutting knife is located on the central line of the buffering platform.

Preferably, a cutter holder is arranged at the bottom of the cutting knife, a hole groove is formed in the bottom of the buffering platform, the cutting knife penetrates through the hole groove to be connected with the inner wall of the buffering platform, and the cutter holder is fixedly connected with the outer wall of the buffering platform through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a prevent concrete mixing device of dust diffusion, the cement bag that will pack cement is followed pan feeding mouth department and is put the buffering platform in, takes both hands out from pan feeding mouth department again, stretches into from operation mouth department again, and both hands grasp the cement bag in the buffering platform and impel the cement bag to the slope passageway, and the cement in the cement bag receives self gravity to outwards empty, falls into inside the casing along the slope passageway, accomplishes throwing in of concrete raw materials. Shelter from the pan feeding mouth through the shielding plate, reduced the space of cement dust outward diffusion greatly, when not influencing the material of throwing, played effectual isolated effect to the dust, the diffusion volume of the dust that has significantly reduced guarantees workman's physical and mental safety, has also reduced atmospheric pollution.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a first embodiment of the present invention;

fig. 3 is a schematic view of the internal structure of a second embodiment of the present invention;

fig. 4 is a schematic structural view of a cutting knife and a knife holder in the third embodiment of the present invention.

In the figure, 1 casing, 2 buffering platforms, 3 inclined channels, 4 sealing plates, 5 feeding ports, 6 operation ports, 7 shielding plates, 8 motors, 9 stirring shafts, 10 stirring blades, 11 water inlets, 12 discharge ports, 13 dust hoods, 14 collecting boxes, 15 collecting boxes, 16 dust collecting pipes, 17 fans, 18 cutting knives and 19 knife seats.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 2, the present invention provides a concrete mixing device for preventing dust from diffusing, which comprises a casing 1 and a mixing mechanism, the stirring mechanism is arranged in the machine shell 1, a feeding channel is arranged on one side of the machine shell 1, the feeding channel is communicated with the interior of the machine shell 1 and comprises a buffer platform 2 at the upper end and an inclined channel 3 at the lower end, a sealing plate 4 is arranged at the outer port of the buffer platform 2, a feeding port 5 is arranged in the middle of the sealing plate 4, the concrete raw materials are put into the buffering platform 2 through the feeding port 5, the two sides of the feeding port 5 are provided with operation ports 6, the operation port 6 is used for extending two hands into the buffer platform 2 to carry out throwing operation on the concrete raw materials, and the feed inlet 5 and the operation port 6 are both provided with a baffle plate 7, and the baffle plate 7 is movably hinged with one inward end of the sealing plate 4.

Taking cement as an example, when cement needs to be put into the casing 1, a worker puts a cement bag packed with cement into the buffer platform 2 from the material inlet 5, when the cement bag is in contact with the shielding plate 7 at the material inlet 5, the shielding plate 7 is pushed by the cement bag to turn upwards from the inner wall of the sealing plate 4, the material inlet 5 is opened, when the whole cement bag is put into the buffer platform 2, two hands are drawn out from the material inlet 5, the shielding plate 7 at the material inlet 5 is turned downwards by the self gravity to shield the material inlet 5, at the moment, the two hands extend into the operation ports 6 at two sides, the shielding plate 7 at the operation port 6 is turned upwards by the thrust of the two hands, the operation port 6 is opened, the cement bag is cut and cut by the cutter, after the cutter is taken out, the two hands grasp the cement bag in the buffer platform 2 and push the cement bag to the inclined channel 3, the cement in the cement bag is inclined channel to be inclined outwards inclined by the self gravity, fall into casing 1 inside along slope passageway 3, treat that cement falls the back accessible both hands and shake the cement bag, reduce the cement residue in the cement bag, last one hand is held the cement bag, and another only takes out and stretches into from pan feeding mouth 5 and take out the cement bag, accomplishes throwing in of concrete raw materials. In the putting process, the shielding plate 7 shields the feeding port 5, and the size of the operation port 6 is slightly larger than the size of one arm of a normal person, so that the space for outward diffusion of cement dust is greatly reduced, the feeding is not influenced, the dust is effectively isolated, the diffusion amount of the dust is greatly reduced, the physical and mental safety of workers is ensured, and the pollution to the atmosphere is also reduced.

Rabbling mechanism includes motor 8, (mixing) shaft 9 and stirring leaf 10, motor 8 is installed the top of casing 1, the (mixing) shaft 9 is located inside the casing 1, the (mixing) shaft 9 passes the top of casing 1 with the output shaft of motor 8, stirring leaf 10 is installed on the circumference wall of (mixing) shaft 9, motor 8 is connected with external power supply electricity, drives (mixing) shaft 9 through motor 8 and rotates, and (mixing) shaft 9 drives stirring leaf 10 and stirs the concrete of inside.

The top of casing 1 is equipped with water inlet 11, the bottom of casing 1 is equipped with discharge gate 12, through water inlet 11 to the inside water injection stirring of casing 1, the concrete of stirring completion is outwards discharged through discharge gate 12.

Example two

Referring to fig. 3, the difference between the first embodiment and the second embodiment is that a dust hood 13 is disposed at the top of the casing 1, a collecting box 14 is disposed on the outer wall of the casing 1, a collecting box 15 capable of being drawn out is disposed inside the collecting box 14, the dust hood 13 is communicated with the collecting box 14 through a dust collecting pipe 16, a fan 17 is disposed between the dust hood 13 and the dust collecting pipe 16, the fan 17 is electrically connected to an external power source, after the raw material is added, a large amount of dust can diffuse into the feeding channel, negative pressure is generated inside the casing 1 by the fan 17 to accelerate the fluidity of the dust in the feeding channel, the dust is sucked out from the feeding channel, the amount of the dust in the feeding channel is reduced, when the raw material is added next time, the dust is prevented from diffusing outward from the feeding port 5 due to the opening of the shielding plate 7 at the feeding port 5, and the dust sucked by the dust hood 13 is collected into the collecting box 15 through the dust collecting pipe 16, after the dust is kept still and precipitated, the collection box 15 is drawn out to reuse the part of cement, so that the utilization rate of the raw materials is improved.

EXAMPLE III

Referring to fig. 4, this embodiment is different from embodiment one and two in that, the terminal inner wall of buffering platform 2 is equipped with cutting knife 18, cutting knife 18 is located on the central line of buffering platform 2, puts the cement bag into buffering platform 2 from pan feeding mouth 5, takes out both hands from pan feeding mouth 5 again, stretches into from operation mouth 6 again, and both hands grasp the cement bag and impel the cement bag to slope passageway 3 in buffering platform 2, because the sharpness and the cement bag gravity of cutting knife 18, when promoting the cement bag, the bottom of cement bag can be lacerated by cutting knife 18, and cement is outwards emptyd from the lacerated mouth, greatly reduced the opening time of cement bag, improved the input speed of raw materials, improved the convenience.

The bottom of the cutting knife 18 is provided with a knife holder 19, the bottom of the buffering platform 2 is provided with a hole groove, the cutting knife 18 penetrates through the hole groove to be connected with the inner wall of the buffering platform 2, the knife holder 19 is fixedly connected with the outer wall of the buffering platform 2 through a bolt, when the cutting knife 18 and the knife holder 19 are damaged and need to be replaced, the bolt on the knife holder 19 is only required to be unscrewed from the outside, the knife holder 19 and the cutting knife 18 are taken out, new knife holder 19 and cutting knife 18 are installed again, the work can be continued, the maintenance time is shortened, and the utilization efficiency of equipment is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent concrete mixing device of dust diffusion, includes casing and rabbling mechanism, its characterized in that, the rabbling mechanism is installed inside the casing, casing one side is equipped with the pan feeding passageway, the pan feeding passageway with the inside intercommunication of casing, the pan feeding passageway includes the slope passageway of the buffering platform and the lower extreme of upper end, the outer port of buffering platform is equipped with the closing plate, the middle part of closing plate is equipped with the pan feeding mouth, the both sides of pan feeding mouth are equipped with the operation mouth, pan feeding mouth and operation mouth department all are equipped with the shielding plate, the shielding plate with the closing plate one end activity inwards is articulated.

2. The concrete mixing device for preventing dust diffusion according to claim 1, wherein the mixing mechanism comprises a motor, a mixing shaft and mixing blades, the motor is installed on the top of the casing, the mixing shaft is located inside the casing, the mixing shaft penetrates through the top of the casing and is connected with an output shaft of the motor, and the mixing blades are installed on the circumferential wall surface of the mixing shaft.

3. The concrete mixer for preventing dust diffusion according to claim 1, wherein the top of the casing is provided with a water inlet, and the bottom of the casing is provided with a discharge outlet.

4. The concrete mixer for preventing dust diffusion according to claim 1, wherein a dust hood is provided on the top of the housing, a collection box is provided on the outer wall of the housing, a retractable collection box is provided inside the collection box, the dust hood is communicated with the collection box through a dust collection pipe, and a fan is installed between the dust hood and the dust collection pipe.

5. The concrete mixing device for preventing dust diffusion according to claim 1, wherein the inner wall of the end of the buffering platform is provided with a cutting knife, and the cutting knife is positioned on the central line of the buffering platform.

6. The concrete mixing device for preventing dust diffusion as claimed in claim 5, wherein a tool apron is arranged at the bottom of the cutting knife, a hole slot is arranged at the bottom of the buffering platform, the cutting knife passes through the hole slot and is connected with the inner wall of the buffering platform, and the tool apron is fixedly connected with the outer wall of the buffering platform through a bolt.