CN213914837U

CN213914837U - Multistage screening equipment is used in recycled concrete processing

Info

Publication number: CN213914837U
Application number: CN202022712423.XU
Authority: CN
Inventors: 聂国昌; 陈凤祥; 郭丽莉
Original assignee: Chengde Baowang Commercial Concrete Co ltd
Current assignee: Chengde Baowang Commercial Concrete Co ltd
Priority date: 2020-11-22
Filing date: 2020-11-22
Publication date: 2021-08-10
Anticipated expiration: 2030-11-22

Abstract

The utility model belongs to the technical field of recycled concrete processing, especially, be a recycled concrete processing uses multistage screening equipment, screening mode is comparatively single, screening efficiency is lower, can not satisfy the problem of current demand to current screening plant, the following scheme is proposed to the present, and it includes sieve case and base, sieve roof portion intercommunication has the feeder hopper, and sieve incasement fixed mounting has a plurality of screen cloth, the one end of sieve bottom of the case fixedly connected with pivot, vertical hole has all been seted up to base top both sides, and vertical downthehole equal slidable mounting has the montant, and two montant top fixed mounting have same diaphragm, and the diaphragm rotates and cup joints in the outside of pivot, and diaphragm bottom one side fixed mounting has the frame, and frame bottom fixed mounting has the motor, and fixed mounting has the worm on the motor output shaft. The utility model discloses a drive recycled concrete sieve case pivoted while reciprocating vibrations from top to bottom to promote the fierce degree of motion of concrete, improve the screening efficiency of concrete.

Description

Multistage screening equipment is used in recycled concrete processing

Technical Field

The utility model relates to a recycled concrete processing technology field especially relates to a recycled concrete processing uses multistage screening equipment.

Background

The recycled concrete is new concrete prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded waste concrete blocks with a grading according to a certain proportion, partially or completely replacing natural aggregates (mainly coarse aggregates) such as sand stones and the like, and then adding cement, water and the like, wherein the recycled concrete can have the following conditions according to the combination form of the aggregates: the aggregates are all regenerated aggregates, the coarse aggregates are regenerated aggregates, the fine aggregates are natural sand, the coarse aggregates are natural gravels or pebbles, the fine aggregates are regenerated aggregates, and the regenerated aggregates replace part of the coarse aggregates or the fine aggregates.

However, the existing screening device is single in screening mode and low in screening efficiency, and cannot meet the existing requirements, so that the multistage screening equipment for processing the recycled concrete is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that current demand can not be satisfied in that current screening plant screening mode is comparatively single, screening efficiency is lower, and the recycled concrete processing that provides uses multistage screening equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-stage screening device for processing recycled concrete comprises a screen box and a base, wherein the top of the screen box is communicated with a feed hopper, a plurality of screen meshes are fixedly arranged in the screen box, the bottom of the screen box is fixedly connected with one end of a rotating shaft, vertical holes are formed in two sides of the top of the base, vertical rods are slidably mounted in the vertical holes, the top ends of the two vertical rods are fixedly provided with a horizontal plate, the horizontal plate is rotatably sleeved outside the rotating shaft, one side of the bottom of the horizontal plate is fixedly provided with a machine base, the bottom of the machine base is fixedly provided with a motor, a worm is fixedly mounted on an output shaft of the motor, a worm wheel is fixedly mounted at the bottom end of the rotating shaft, the worm is meshed with the worm wheel, and two cams are fixedly mounted on the worm, are all in rolling connection with the top of the base, baffles are fixedly mounted at the bottoms of the two vertical rods, one ends of return springs are fixedly connected to the tops of the two baffles, and the other ends of the return springs are fixedly connected with the bottom of the base.

Preferably, a plurality of discharge gates have been seted up to sieve case one side, and sieve case one side top is connected with the apron through the hinge rotation, apron and sieve case one side swing joint, are convenient for carry out the ejection of compact to the sieve case.

Preferably, a fixed plate is fixedly mounted on one side of the bottom of the screen box, a threaded hole is formed in the bottom of the fixed plate, a threaded rod is mounted in the threaded hole, a clamping groove is formed in the bottom of the cover plate, and the threaded rod is movably clamped with the clamping groove, so that the cover plate is fixed conveniently.

Preferably, sieve bottom of the case portion fixed mounting has a plurality of supports, all rotates in a plurality of supports and installs the gyro wheel, and a plurality of gyro wheels all support the sieve case with diaphragm top roll connection.

Preferably, a positioning plate is fixedly mounted on the other side of the bottom of the transverse plate and rotatably sleeved on the outer side of the worm to rotatably position the worm.

Preferably, the outer side of the rotating shaft is fixedly sleeved with a limiting ring, the limiting ring is movably connected with the bottom of the transverse plate, and the rotating shaft is limited in vertical movement.

In the utility model, a recycled concrete processing uses multistage screening equipment, put recycled concrete into the sieve case through the feeder hopper, then turn on the motor, the motor output shaft drives the worm and rotates, the worm drives two cams and rotates, two cams promote the diaphragm through the butt with the base and upwards move and compress the reset spring, after the cam rotated a certain angle, the diaphragm resets and reversely slides under the effect of gravity and the elasticity of reset spring, the cam continuously rotates and drives the diaphragm to reciprocate from top to bottom, the diaphragm drives the sieve case to reciprocate from top to bottom through the pivot, the sieve case drives its inside recycled concrete to vibrate, thereby carry out multistage screening to the recycled concrete through a plurality of screen cloth, the worm rotates and drives the worm wheel to rotate simultaneously, the worm wheel drives the sieve case to rotate through the pivot, thereby drive the recycled concrete in it to rotate, therefore, the efficiency of screening the concrete is improved by accelerating the operation of the concrete;

in the utility model, the multistage screening equipment for recycled concrete processing is characterized in that the motor is turned off, and then the threaded rod is rotated to drive the threaded rod to move downwards so as to separate the threaded rod from being connected with the clamping groove, thereby separating the fixation of the cover plate, and facilitating the discharge of the screened concrete through a plurality of discharge ports;

the utility model has the advantages of reasonable design, through reciprocating vibrations from top to bottom when driving recycled concrete sieve case pivoted to promote the fierce degree of motion of concrete, improve the screening efficiency of concrete, the reliability is high.

Drawings

FIG. 1 is a schematic structural view of a multistage screening apparatus for recycled concrete processing according to the present invention;

FIG. 2 is a schematic structural view of part A of the multistage screening apparatus for recycled concrete processing according to the present invention;

fig. 3 is a schematic structural diagram of a part B of the multistage screening device for recycled concrete processing according to the present invention.

In the figure: 1. a screen box; 2. a transverse plate; 3. a base; 4. screening a screen; 5. a feed hopper; 6. a cover plate; 7. a discharge port; 8. a rotating shaft; 9. a worm gear; 10. a motor; 11. a worm; 12. a cam; 13. positioning a plate; 14. a roller; 15. a limiting ring; 16. a vertical rod; 17. a baffle plate; 18. a return spring; 19. a card slot; 20. a fixing plate; 21. a threaded rod.

Detailed Description

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

Referring to fig. 1-3, a multistage screening device for recycled concrete processing comprises a screen box 1 and a base 3, the top of the screen box 1 is communicated with a feed hopper 5, a plurality of screen meshes 4 are fixedly installed in the screen box 1, one end of a rotating shaft 8 is fixedly connected to the bottom of the screen box 1, vertical holes are formed in two sides of the top of the base 3, vertical rods 16 are slidably installed in the vertical holes, the top ends of the two vertical rods 16 are fixedly installed with a horizontal plate 2, the horizontal plate 2 is rotatably sleeved on the outer side of the rotating shaft 8, a base is fixedly installed on one side of the bottom of the horizontal plate 2, a motor 10 is fixedly installed at the bottom of the base, a worm 11 is fixedly installed on an output shaft of the motor 10, a worm wheel 9 is fixedly installed at the bottom of the rotating shaft 8, the worm 11 is meshed with the worm wheel 9, two cams 12 are fixedly installed on the worm 11, the two cams 12 are both in rolling connection with the top of the base 3, and baffles 17 are fixedly installed at the bottom ends of the two vertical rods 16, the tops of the two baffle plates 17 are fixedly connected with one end of a return spring 18, and the other end of the return spring 18 is fixedly connected with the bottom of the base 3.

The utility model discloses in, a plurality of discharge gates 7 have been seted up to sieve case 1 one side, and sieve case 1 one side top is connected with apron 6 through the hinge rotation, apron 6 and sieve case 1 one side swing joint are convenient for carry out the ejection of compact to sieve case 1.

The utility model discloses in, 1 bottom one side fixed mounting of sieve case has fixed plate 20, and threaded hole is seted up to fixed plate 20 bottom, and threaded hole internal thread installs the threaded rod, and draw-in groove 19 has been seted up to 6 bottoms of apron, and threaded rod 21 clamps with the 19 activities of draw-in groove, is convenient for fix apron 6.

The utility model discloses in, sieve 1 bottom fixed mounting of case has a plurality of supports, all rotates in a plurality of supports and installs gyro wheel 14, and a plurality of gyro wheels 14 all support sieve case 1 with 2 top roll connections of diaphragm.

The utility model discloses in, diaphragm 2 bottom opposite side fixed mounting has locating plate 13, and locating plate 13 rotates and cup joints in the outside of worm 11, rotates the location to worm 11.

The utility model discloses in, 8 outside fixed spacing collars 15 that have cup jointed of pivot,

spacing collars

15 and 2 bottom swing joint of diaphragm, it is spacing to carry out vertical motion to pivot 8.

In the utility model, when in use, the recycled concrete is put into the screen box 1 through the feed hopper 5, then the motor 10 is started, the output shaft of the motor 10 drives the worm 11 to rotate, the worm 11 drives the two cams 12 to rotate, the two cams 12 push the transverse plate 2 to move upwards and compress the return spring 18 through the butt joint with the base 3, after the cams 12 rotate a certain angle, the transverse plate 2 resets and slides reversely under the action of gravity and the elasticity of the return spring 18, the cams 12 continuously rotate to drive the transverse plate 2 to vibrate up and down in a reciprocating way, the transverse plate 2 drives the screen box 1 to vibrate up and down in a reciprocating way through the rotating shaft 8, the screen box 1 drives the recycled concrete inside to vibrate, thereby the recycled concrete is screened in multiple stages through the plurality of screen meshes 4, the worm 11 rotates while driving the worm wheel 9 to rotate, the worm wheel 9 drives the screen box 1 to rotate through the rotating shaft 8, thereby driving the recycled concrete inside to rotate, thereby promote the efficiency of concrete screening through the operation of accelerating concrete, the screening is accomplished the back, through closing motor 10, then rotatory threaded rod 21 drives threaded rod 21 downstream makes threaded rod 21 break away from with being connected of draw-in groove 19 to break away from the fixed to apron 6, so that carry out the ejection of compact to the concrete of screening completion through a plurality of discharge gates 7.

Claims

1. The multistage screening equipment for processing recycled concrete comprises a screen box (1) and a base (3), and is characterized in that the top of the screen box (1) is communicated with a feed hopper (5), a plurality of screen meshes (4) are fixedly installed in the screen box (1), one end of a rotating shaft (8) is fixedly connected to the bottom of the screen box (1), vertical holes are formed in two sides of the top of the base (3), vertical rods (16) are installed in the vertical holes in a sliding mode, the top ends of the two vertical rods (16) are fixedly provided with the same transverse plate (2), the transverse plate (2) is rotatably sleeved on the outer side of the rotating shaft (8), a base is fixedly installed on one side of the bottom of the transverse plate (2), a motor (10) is fixedly installed at the bottom of the base, a worm (11) is fixedly installed on an output shaft of the motor (10), a worm wheel (9) is fixedly installed at the bottom of the rotating shaft (8), and the worm (11) is meshed with the worm wheel (9), and worm (11) are gone up fixed mounting and are had two cams (12), and two cams (12) all with base (3) top roll connection, two equal fixed mounting in montant (16) bottom have baffle (17), the equal fixedly connected with return spring's in two baffle (17) tops one end (18), the other end and base (3) bottom fixed connection of return spring (18).

2. The multistage screening equipment for recycled concrete processing according to claim 1, wherein a plurality of discharge holes (7) are formed in one side of the screen box (1), a cover plate (6) is rotatably connected to the top of one side of the screen box (1) through a hinge, and the cover plate (6) is movably connected to one side of the screen box (1).

3. The multistage screening equipment for recycled concrete processing as claimed in claim 2, wherein a fixing plate (20) is fixedly mounted on one side of the bottom of the screening box (1), a threaded hole is formed in the bottom of the fixing plate (20), a threaded rod is mounted in the threaded hole, a clamping groove (19) is formed in the bottom of the cover plate (6), and the threaded rod (21) is movably clamped with the clamping groove (19).

4. The multistage screening equipment for recycled concrete processing according to claim 1, wherein a plurality of supports are fixedly installed at the bottom of the screening box (1), rollers (14) are rotatably installed in the supports, and the rollers (14) are connected with the top of the transverse plate (2) in a rolling mode.

5. The multistage screening equipment for recycled concrete processing according to claim 1, wherein a positioning plate (13) is fixedly mounted on the other side of the bottom of the transverse plate (2), and the positioning plate (13) is rotatably sleeved on the outer side of the worm (11).

6. The multistage screening device for recycled concrete processing as claimed in claim 1, wherein a limiting ring (15) is fixedly sleeved on the outer side of the rotating shaft (8), and the limiting ring (15) is movably connected with the bottom of the transverse plate (2).