Waste concrete reducing mechanism for building
Technical Field
The application relates to the technical field of concrete smashing devices, in particular to a waste concrete smashing device for a building.
Background
In construction, a large amount of waste concrete can be produced, a proper amount of cement, sand, aggregate and the like are added after the procedures of crushing, screening, impurity removal and the like, the waste concrete is mixed again to prepare recycled concrete, and then the aim of waste recycling is achieved, and the waste concrete crushing device for the construction, which is proposed by the prior art with the number of CN211306829U, is used by arranging a mixing device, a connecting device, a crushing device, a box body, a discharging pipe, a valve, a first feeding pipe, a first motor, a rotating rod, a first bevel gear, a second bevel gear, a stirring rod, a first through hole, a positioning shell, a second through hole, a cylinder, a third through hole, a second feeding pipe, a crushing roller, a limiting box, a second motor, a bracket and a pulley, and meanwhile solves the problem that the conventional waste concrete crushing device for the construction is inconvenient for users, and the inventor considers that the following defects still exist in the related art: the sieving work of powder can not be realized to reducing mechanism in the contrast document, and the dust that produces in the crushing process can diffuse external environment, makes processing environment become abominable, has the damage personnel healthy, and the dust can't realize effectual recovery and utilization, in view of this, we propose a discarded concrete reducing mechanism for building.
Disclosure of utility model
1. Technical problem to be solved
The application aims to provide a waste concrete crushing device for a building, which solves the technical problems that the crushing device in the prior art cannot realize screening of powder, dust generated in the crushing process can diffuse the external environment, the processing environment becomes bad, the dust is healthy, and the dust cannot be effectively recycled and utilized, and the crushing device is formed into a reasonable appearance shell by a crushing shell, a screening shell and a supporting leg frame, waste concrete is crushed by two crushing press rollers which rotate reversely, crushed waste concrete is screened by a plurality of screening plates which rotate and are obliquely arranged, the crushed waste concrete is respectively screened and discharged by the screening plates and the screening shells, dust can directly fall down by dust holes formed in the screening shell, the dust absorption at the upper end of the crushing shell can be realized by a dust absorption pump during crushing, and the dust is collected and processed in a centralized manner.
2. Technical proposal
The application provides a waste concrete crushing device for a building, which comprises a crushing shell, wherein the bottom end of the crushing shell is fixedly connected with a screening shell, the cross section of the screening shell is of a U-shaped structure, the bottom end of the screening shell is of an opening structure and is obliquely arranged at the bottom end of the crushing shell, the screening shell is fixedly provided with a supporting leg frame, two sides of the crushing shell are rotatably provided with an access door, the upper end of the crushing shell is provided with a feeding port, the crushing shell is provided with a crushing mechanism, the crushing mechanism comprises two crushing press rolls, the crushing press rolls are rotatably arranged in the crushing shell and are in meshed connection with each other, the crushing press rolls are fixedly connected with gears outside the crushing shell, the gears are in meshed connection with each other, the side face of the crushing shell is fixedly provided with a dust suction pump, one gear transmission is connected with a belt mechanism, one end of the belt mechanism is in belt wheel transmission connection with a transmission shaft, the screening mechanism is arranged on the screening shell and comprises a second motor, the second motor is fixedly arranged on the screening shell, and the output end of the second motor is in transmission connection with a plurality of screening plates.
Through adopting above-mentioned technical scheme, the casing of the outward appearance casing of the waste concrete reducing mechanism of constitution is fixed to crushing shell, screening shell and landing leg frame, throw in waste concrete from the dog-house of crushing shell, two crushing compression rollers reverse rotation under the gear action, can crush massive waste concrete and handle, dust absorption pump can make the dust absorption of crushing shell upper end during crushing, and collect the processing in the collection, the waste concrete of squeezing the bits of broken glass falls on a plurality of screening boards, the output transmission of second motor a plurality of screening boards rotate, can make the waste concrete of squeezing the bits of broken glass carry out preliminary screening processing, because of screening shell is put to one side, then the waste concrete of screening is partly discharged through a plurality of screening boards, partly waste concrete of screening is discharged through screening shell, and the dust then can directly fall down by screening shell, realize multistage screening effect, set up the access door, can conveniently appear massive waste concrete when can't be squeezed bits of glass, manual work clear up and maintain work.
Optionally, the pulverizer shell is located the material throwing mouth department and rotates installs a plurality of dust boards, the dust board is the rubber material, a plurality of dust holes have been seted up to the arcwall face of screening shell.
Through adopting above-mentioned technical scheme, a plurality of dust boards of rubber material can make the dust of rubbing crusher shell upper end avoid to outside environment diffusion, and the dust hole of screening shell seting up can realize the dust screening purpose.
Optionally, a first motor is fixedly installed on one side surface of the pulverizer shell, and an output end of the first motor is in transmission connection with a pulverizing press roller.
Through adopting above-mentioned technical scheme, the output transmission of first motor is smashed the compression roller and is rotated, is connected through two gear engagement, realizes two crushing compression roller reverse rotation purposes then.
Optionally, the dust absorption pump is fixedly connected with dust absorption pipe and dust exhaust pipe, dust absorption pipe and rubbing crusher shell upper end department fixed communication, the transmission shaft rotates and is connected with the supporting shoe, supporting shoe and rubbing crusher shell fixed connection.
Through adopting above-mentioned technical scheme, the dust absorption pump passes through the dust absorption pipe and absorbs the dust that flies upward in the pulverizer shell upper end to discharge the dust exhaust pipe, can realize the dust collection purpose.
Optionally, the screening board is annular evenly distributed, screening hole grooves have all been seted up on screening board surface.
Through adopting above-mentioned technical scheme, screening board is impeller structure distribution, and every screening board surface can set up screening hole groove according to the demand, can realize screening purpose.
3. Advantageous effects
The crushing device has the advantages that the crushing device is a reasonable appearance shell formed by fixing the crushing shell, the screening shell and the supporting leg frame, waste concrete is crushed by the two crushing press rollers which rotate reversely, crushed waste concrete is screened by the plurality of screening plates which rotate and are obliquely arranged, the crushed waste concrete is screened and discharged by the plurality of screening plates and the screening shell respectively, dust can directly fall down through dust holes formed in the screening shell, the multi-stage screening effect is realized, a dust suction pump can absorb the dust at the upper end of the crushing shell during crushing, the dust collection and the treatment are realized, and meanwhile, the overhaul door is arranged, so that when large blocks of waste concrete cannot be crushed, the operation of manual cleaning and maintenance is convenient to use, and the practicability is high.
Drawings
FIG. 1 is a schematic view showing the overall structure of a construction waste concrete pulverizing apparatus according to a preferred embodiment of the present application;
FIG. 2 is a schematic view showing a pulverizer housing and a dust suction pump of a construction waste concrete pulverizing apparatus according to a preferred embodiment of the present application;
FIG. 3 is a schematic view showing the structure of a pulverizing mechanism and a sieving mechanism of a pulverizing apparatus for waste concrete for construction according to a preferred embodiment of the present application;
The reference numerals in the figure are 1, a pulverizer shell, 11, a material inlet, 12, a dust baffle, 13, a screening shell, 14, a dust hole, 15, a support leg frame, 16, an access door, 2, a pulverizing mechanism, 21, a pulverizing press roller, 22, a gear, 23, a first motor, 3, a dust suction pump, 31, a dust suction pipe, 32, a dust discharge pipe, 33, a transmission shaft, 331, a supporting block, 34, a belt mechanism, 4, a screening mechanism, 41, a second motor, 42 and a screening plate.
Detailed Description
The application is described in further detail below with reference to the drawings.
Referring to FIGS. 1 to 3, an embodiment of the present application provides a construction waste concrete crushing apparatus comprising a crushing machine housing 1, wherein the bottom end of the crushing machine housing 1 is fixedly connected with a sieving shell 13, the cross section of the sieving shell 13 is in a U-shaped structure, the bottom end is in an open structure, and is obliquely arranged at the bottom end of the crushing machine housing 1, the sieving shell 13 is fixedly provided with a supporting leg frame 15, both sides of the crushing machine housing 1 are rotatably provided with an access door 16, the upper end of the crushing machine housing 1 is provided with a material inlet 11, the crushing machine housing 1 is provided with a crushing mechanism 2, the crushing mechanism 2 comprises two crushing press rolls 21, the crushing press rolls 21 are rotatably arranged in the crushing machine housing 1 and are in meshed connection, the crushing press rolls 21 are fixedly connected with gears 22 outside the crushing machine housing 1, the gears 22 are in meshed connection, the side face of the crushing machine housing 1 is fixedly provided with a dust suction pump 3, one gear 22 is in transmission connection with a belt mechanism 34, one end of the belt mechanism 34 is in transmission connection with a transmission shaft 33, the transmission shaft 33 is in transmission connection with the dust suction pump 3, the sieving mechanism 4 is arranged on the sieving shell 13, the sieving mechanism 4 comprises a second motor 41, the second motor 41 is fixedly arranged on the sieving machine housing 13, the output end of the second motor 41 is connected with the second motor 41, the output end of the second motor 41 is rotatably provided with a plurality of output plates 42 of the motor drive motor 1, the output plates 42 are rotatably connected with the output from the crushing machine housing 1, the waste concrete is reversely, the waste concrete is crushed and crushed by the waste concrete is crushed by the plates 42, and the waste concrete is crushed by the plates 42, and crushed by the waste concrete is crushed by the waste concrete and discharged by the waste concrete, and the waste concrete is crushed by the waste concrete, and is subjected to the waste concrete, and is crushed by the waste, and is 1, and is crushed by the waste. The crushed waste concrete can be subjected to preliminary screening treatment, and as the screening shell 13 is obliquely arranged, part of the waste concrete which is screened is discharged through the screening plates 42, part of the waste concrete which is screened is discharged through the screening shell 13, and dust can be directly dropped by the screening shell 13, so that the multi-stage screening effect is realized.
Referring to fig. 1 and 2, the pulverizer housing 1 is located at a feeding hole 11 and is rotatably provided with a plurality of dust plates 12, the dust plates 12 are made of rubber, a plurality of dust holes 14 are formed in an arc-shaped surface of a screening housing 13, dust at the upper end of the pulverizer housing 1 can be prevented from diffusing to the external environment by the plurality of dust plates 12 made of rubber, and the dust screening purpose can be achieved by the dust holes 14 formed in the screening housing 13.
Referring to fig. 2 and 3, a first motor 23 is fixedly installed on one side surface of the pulverizer housing 1, an output end of the first motor 23 is in transmission connection with one pulverizing press roller 21, the output end of the first motor 23 transmits one pulverizing press roller 21 to rotate, and the two pulverizing press rollers 21 are in meshed connection through two gears 22, so that the purpose of reversely rotating the two pulverizing press rollers 21 is achieved.
Referring to fig. 2 and 3, the dust suction pump 3 is fixedly connected with a dust suction pipe 31 and a dust discharge pipe 32, the dust suction pipe 31 is fixedly connected with the upper end of the pulverizer housing 1, the transmission shaft 33 is rotatably connected with a supporting block 331, the supporting block 331 is fixedly connected with the pulverizer housing 1, and the dust suction pump 3 absorbs flying dust from the upper end of the pulverizer housing 1 through the dust suction pipe 31 and discharges the dust discharge pipe 32, so that the dust collection purpose can be realized.
Referring to fig. 2 and 3, the screening plates 42 are uniformly distributed in a ring shape, screening holes and grooves are formed in the surfaces of the screening plates 42, the screening plates 42 are distributed in an impeller structure, and the screening holes and grooves are formed in the surfaces of each screening plate 42 according to requirements, so that the screening purpose can be achieved.
The working principle is that the pulverizer shell 1, the screening shell 13 and the supporting leg frame 15 are fixedly combined to form an appearance shell of the waste concrete pulverizing device, waste concrete is thrown in from a material throwing port 11 of the pulverizer shell 1, an output end of a first motor 23 drives one pulverizing press roller 21 to rotate, the pulverizing press roller 21 is connected in an engaged mode through two gears 22, then two pulverizing press rollers 21 reversely rotate, the massive waste concrete is crushed, dust at the upper end of the pulverizer shell 1 can be absorbed by a dust suction pump 3 during crushing and collected in a concentrated mode, dust at the upper end of the pulverizer shell 1 can be prevented from being diffused to the external environment by a plurality of dust blocking plates 12 made of rubber materials, the crushed waste concrete falls on a plurality of screening plates 42, an output end of a second motor 41 drives the plurality of screening plates 42 to rotate, the crushed waste concrete can be subjected to preliminary screening treatment, part of the waste concrete which is screened is discharged through the screening plates 42 in a inclined mode, part of the waste concrete which is screened is discharged through the screening shells 13, and dust can fall through holes 14 of the screening shells 13 to achieve the purpose of screening dust.