CN217250593U

CN217250593U - Grit screening plant that concrete was recycled

Info

Publication number: CN217250593U
Application number: CN202220726623.7U
Authority: CN
Inventors: 林慧; 陈宏哲; 王登科; 宋新乐; 孙发圣; 马龙; 张帆
Original assignee: Hainan Zhongyi New Material Research Institute Co ltd
Current assignee: Hainan Zhongyi New Material Research Institute Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-23
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to the technical field of concrete recycling, and discloses a sandstone screening device for concrete recycling, which comprises a screening machine and a feed hopper, the feed hopper is arranged at the top of the sieving machine and is divided into an upper pipe section and a lower pipe section, the inner diameter of the upper pipe section is smaller than that of the lower pipe section, the upper pipe section and the lower pipe section are coaxial, a baffle plate for shielding the bottom of the upper pipe section is arranged in the lower pipe section and consists of two semicircular dustproof plates, install down in the pipeline section and can drive the subassembly that resets of dust guard upset to horizontal plane, the dust guard passes through the subassembly that resets with the interior wall connection of pipeline section down, the hopper of feeder hopper is opened to this device when the feeding, then self-closing material way when stopping the feeding to can block the dust fast, prevent that the dust from the feeder hopper outdiffusion.

Description

Grit screening plant that concrete was recycled

Technical Field

The utility model relates to a grit screening plant, in particular to grit screening plant that concrete was recycled.

Background

After the building is disassembled, the waste concrete contains a large amount of sand and stones, and the waste concrete is reprocessed, so that the utilization effect of the concrete can be improved, and green emission reduction is realized. The existing screening device can generate a large amount of dust when screening the sand and stone, and can cause great influence on the surrounding environment.

Disclosure of Invention

Therefore, the to-be-solved technical problem of the utility model is to provide a prevent the grit screening plant of dust outdiffusion, protected air and environment.

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

the utility model provides a grit screening plant that concrete was recycled, including screening machine and feeder hopper, the feeder hopper is located the top of screening machine, the feeder hopper divide into pipeline section and low tube section, the internal diameter of going up the pipeline section is less than the internal diameter of lower pipeline section, it is coaxial with the axle center with lower pipeline section to go up the pipeline section, it is right to install down in the pipeline section go up the shielding plate that the pipeline section bottom sheltered from, the shielding plate comprises two semicircular dust shields, install down in the pipeline section and can drive the reset assembly of dust shield upset to the horizontal plane, the dust shield passes through reset assembly with the interior wall connection of pipeline section down.

Preferably, the reset assembly includes pivot and torsional spring, the both ends of pivot with the inner wall of lower tube section rotates and connects, the inner fixed cover of dust guard connect in the pivot, the both ends of pivot all overlap and be equipped with the torsional spring, the pivot passes through the torsional spring with the interior wall connection of lower tube section.

Preferably, the screening machine is provided with a water storage tank and a water pump on one side, a water pipe is installed at the top of the screening machine, a plurality of spray heads are arranged at the bottom of the water pipe, the water storage tank is connected with the water pump through a pipeline, and the water pump is connected with the water pipe through a pipeline.

Preferably, the number of the water pipes is a plurality, and the water pipes are uniformly distributed in the screening machine.

Preferably, the screening machine is internally provided with an inclined screening stone plate, a sand plate which is inclined reversely is arranged below the screening stone plate, one side of the screening machine is provided with a stone outlet communicated with the screening stone plate, and the other side of the screening machine is provided with a sand outlet communicated with the sand plate.

Preferably, the slide bar is worn to be equipped with at the both ends of sieve, the both ends of slide bar pass through the connecting piece with the inner wall fixed connection of screening machine, the cover is equipped with reset spring on the slide bar, the bottom of sieve is equipped with the drive the vibration mechanism that the sieve reciprocated.

Preferably, the vibrating mechanism comprises a driving shaft and a cam, the driving shaft is located below the sieve plate, two ends of the driving shaft are rotatably connected with the inner wall of the sieving machine, a driving motor is installed on the outer side of the sieving machine, one end of the driving shaft is coaxially connected with an output shaft of the driving motor, the cam is sleeved at two ends of the driving shaft, and the cam is abutted to the bottom of the sieve plate.

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

the utility model provides a grit screening plant that concrete was recycled when throwing the material in to the feeder hopper, under concrete crushed aggregates's action of gravity, the dust guard pressurized overturns downwards, opens the material way of feeder hopper, and the crushed aggregates is said through the material and is entered into the screening machine and sieve. In case stop the feed, the dust guard that loses pressure just can upwards overturn under the effect of subassembly that resets and reset, seals up the material way again to block the dust that produces in the screening machine, prevent that the dust from the feeder hopper outdiffusion, improved the protection to air and environment greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below 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 labor.

FIG. 1 is a top view of a gravel screening device for concrete recycling according to the present invention;

FIG. 2 is a schematic view of the internal structure of a feed hopper of the gravel screening apparatus for recycling concrete according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a top cross-sectional view of a concrete recycling gravel screening apparatus of the present invention;

figure 5 is the utility model discloses a grit screening plant's that concrete was recycled front cut-away view.

In the figure, 1 a sieving machine, 2 a feeding hopper, 3 an upper pipe section, 4 a lower pipe section, 5 a dust guard, 6 a rotating shaft, 7 a torsion spring, 8 a water storage tank, 9 a water pump, 10 a water pipe, 11 a spray head, 12 a pipeline, 13 a sieve plate, 14 a sand plate, 15 a stone outlet, 16 a sand outlet, 17 a slide rod, 18 a connecting piece, 19 a return spring, 20 a driving shaft, 21 a cam and 22 a driving motor.

Detailed Description

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

Referring to fig. 1 to 5, the utility model provides a grit screening plant that concrete was recycled, including screening machine 1 and feeder hopper 2, feeder hopper 2 is located the top of screening machine 1, feeder hopper 2 and the inside intercommunication of screening machine 1, feeder hopper 2 divide into pipeline section 3 and lower pipeline section 4, the internal diameter of going up pipeline section 3 is less than the internal diameter of lower pipeline section 4, it is coaxial with the axle center to go up pipeline section 3 and lower pipeline section 4, it is right to install in the lower pipeline section 4 go up the shielding plate that the pipeline section 3 bottom was sheltered from, the shielding plate comprises two semicircular shield plates 5, install in the lower pipeline section 4 and can drive shield plates 5 upset the reset assembly to the horizontal plane, shield plate 5 passes through reset assembly with the interior wall connection of lower pipeline section 4.

Pour the crushed aggregates of concrete into screening machine 1 from feeder hopper 2 in, sieve 1 through the grit in the crushed aggregates of screening machine, convenient follow-up recycling to the grit. When the feeding hopper 2 is not used for feeding, the dust-proof plates 5 are in a horizontal state under the action of the reset assembly and abut against the top wall of the lower pipe section 4, and at the moment, the two dust-proof plates 5 form a circular shielding plate to shield the material channel of the feeding hopper 2; when feeding in the upward pipe section 3, the concrete crushed aggregates are poured at the top of the baffle plate, and under the action of gravity of the concrete crushed aggregates, the dust guard 5 is pressed to overturn downwards, the material channel of the feed hopper 2 is opened, and the crushed aggregates enter the sieving machine 1 through the material channel to be sieved. In case stop the feed, the dust guard 5 that loses pressure just can upwards overturn under the effect of reset assembly and reset, separates upper segment 3 and lower tube section 4 again, seals the material way to block the dust that produces in screening machine 1, prevent that the dust from feeder hopper 2 outdiffusion, improved the protection to air and environment greatly.

Reset assembly includes pivot 6 and torsional spring 7, the both ends of pivot 6 with the inner wall of lower tube section 4 rotates and connects, the inner fixed cover of dust guard 5 connect in on the pivot 6, the both ends of pivot 6 all are equipped with torsional spring 7, pivot 6 passes through torsional spring 7 with the interior wall connection of lower tube section 4. Receive pressure effect time, dust guard 5 drives pivot 6 and rotates, loses pressure effect time, under torsional spring 7's effect, pivot 6 drives 5 reversions of dust guard and resets, realizes that the material says that open when the feeding, self-closing when stopping the feeding to can block the dust fast, prevent that the dust from feeder hopper 2 outdiffusion.

The water storage tank 8 and the water pump 9 are arranged on one side of the screening machine 1, the water pipe 10 is installed at the inner top of the screening machine 1, the plurality of spray heads 11 are arranged at the bottom of the water pipe 10, the water storage tank 8 is connected with the water pump 9 through a pipeline 12, and the water pump 9 is connected with the water pipe 10 through a pipeline 12. When grit sieves in screening machine 1, play the water spray effect through water pipe 10 and the shower nozzle 11 of installing top in screening machine 1, firstly can eliminate the dust in screening machine 1, avoid the dust to spread outward from the discharge end of screening machine 1, secondly can wash the grit of adhesion on the rubble, improve the separation effect of grit.

The number of the water pipes 10 is a plurality, and the water pipes 10 are uniformly distributed in the sieving machine 1.

The screening machine is characterized in that an inclined screening stone plate 13 is arranged in the screening machine 1, a sand plate 14 which is inclined reversely is arranged below the screening stone plate 13, a stone outlet 15 communicated with the screening stone plate 13 is formed in one side of the screening machine 1, and a sand outlet 16 communicated with the sand plate 14 is formed in the other side of the screening machine 1.

Slide bar 17 is worn to be equipped with at the both ends of sieve, slide bar 17 the both ends pass through connecting piece 18 with the inner wall fixed connection of screening machine 1, the cover is equipped with reset spring 19 on the slide bar 17, the bottom of sieve is equipped with the drive the vibration mechanism that the sieve reciprocated.

The vibrating mechanism comprises a driving shaft 20 and a cam 21, the driving shaft 20 is located below the sieve plate 13, two ends of the driving shaft 20 are rotatably connected with the inner wall of the sieving machine 1, a driving motor 22 is installed on the outer side of the sieving machine 1, one end of the driving shaft 20 is coaxially connected with an output shaft of the driving motor 22, the cam 21 is sleeved at two ends of the driving shaft 20, and the cam 21 is abutted to the bottom of the sieve plate 13.

Driving motor 22 is connected with external power supply electricity, drive shaft 20 and cam 21 through driving motor 22 and rotate, cam 21's convex part is rotatory during to the top, drive sieve board 13 along slide bar 17 upward movement, cam 21's convex part is rotatory during to the bottom, sieve board 13 is along slide bar 17 downward movement under reset spring 19's effect and self action of gravity, vibration about realizing, play good screening effect to the grit in the crushed aggregates, the rubble is outwards carried through the stone outlet 15 of sieving 13 afterbody after the screening is accomplished, the grit then sees through sieve board 13 and falls on the sand board 14 of below, the sand outlet 16 through 14 afterbody of sand board outwards carries.

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 grit screening plant that concrete was recycled, a serial communication port, including screening machine and feeder hopper, the feeder hopper is located the top of screening machine, the feeder hopper divide into pipeline section and lower pipeline section, the internal diameter of going up the pipeline section is less than the internal diameter of lower pipeline section, it is coaxial with the axle center with lower pipeline section to go up the pipeline section, it is right to install down in the pipeline section go up the shielding plate that the pipeline section bottom sheltered from, the shielding plate comprises two semicircular shield plates, install down in the pipeline section and can drive the subassembly that resets of shield plate upset to the horizontal plane, the shield plate passes through the subassembly that resets with the interior wall connection of lower pipeline section.

2. The gravel screening device for concrete recycling of claim 1, wherein the reset component comprises a rotating shaft and a torsion spring, two ends of the rotating shaft are rotatably connected with the inner wall of the lower pipe section, the inner end of the dust guard is fixedly sleeved on the rotating shaft, two ends of the rotating shaft are sleeved with the torsion spring, and the rotating shaft is connected with the inner wall of the lower pipe section through the torsion spring.

3. The gravel screening device for recycling concrete according to claim 1, wherein a water storage tank and a water pump are arranged on one side of the screening machine, a water pipe is mounted at the inner top of the screening machine, a plurality of spray heads are arranged at the bottom of the water pipe, the water storage tank is connected with the water pump through a pipeline, and the water pump is connected with the water pipe through a pipeline.

4. A concrete recycling gravel screening device as claimed in claim 3, wherein the number of water pipes is several, and the water pipes are evenly distributed in the screening machine.

5. A gravel screening device for concrete recycling according to claim 1, wherein an inclined gravel plate is arranged in the screening machine, a sand plate which is inclined in the opposite direction is arranged below the gravel plate, a gravel outlet which is communicated with the gravel plate is arranged on one side of the screening machine, and a sand outlet which is communicated with the sand plate is arranged on the other side of the screening machine.

6. A gravel screening device for recycling concrete according to claim 5, wherein slide rods are arranged at two ends of the gravel plate in a penetrating manner, two ends of each slide rod are fixedly connected with the inner wall of the screening machine through connecting pieces, a return spring is sleeved on each slide rod, and a vibrating mechanism for driving the screen plate to move up and down is arranged at the bottom of the screen plate.

7. The gravel screening device for concrete recycling according to claim 6, wherein the oscillating mechanism comprises a driving shaft and a cam, the driving shaft is located below the screen plate, two ends of the driving shaft are rotatably connected with the inner wall of the screening machine, a driving motor is installed outside the screening machine, one end of the driving shaft is coaxially connected with an output shaft of the driving motor, the cam is sleeved at two ends of the driving shaft, and the cam abuts against the bottom of the screen plate.