CN215278412U

CN215278412U - Aggregate sieving mechanism for recycled concrete

Info

Publication number: CN215278412U
Application number: CN202121713385.8U
Authority: CN
Inventors: 胡福华
Original assignee: Hangzhou Zhouqiao Building Materials Co ltd
Current assignee: Hangzhou Zhouqiao Building Materials Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-12-24
Anticipated expiration: 2031-07-26

Abstract

The utility model relates to an aggregate sieving mechanism for recycled concrete, include the shell and be located the tubbiness of shell and cross the sieve ware, tubbiness cross the sieve ware with the shell rotates around self axis to be connected, the shell outside is provided with the support, and the shell is equipped with and is used for driving tubbiness sieve ware pivoted centrifugal motor, be equipped with the feed inlet that is used for making the aggregate get into tubbiness sieve ware on the shell, be equipped with the sieve mesh on the tubbiness sieve ware, the inside electric drill that is used for broken jam aggregate that is provided with of shell, the external diameter of the drill bit of electric drill is less than cross the internal diameter of sieve mesh, the inside cylinder that is equipped with of shell, the cylinder is used for making the electric drill is in the last radial movement of tubbiness sieve ware, the shell is equipped with and is used for making the electric drill is followed the drive structure that the length direction of tubbiness sieve ware removed. This application has the effect that improves aggregate sieving mechanism's production efficiency.

Description

Aggregate sieving mechanism for recycled concrete

Technical Field

The application relates to the technical field of concrete regeneration manufacturing, in particular to an aggregate screening device for recycled concrete.

Background

The recycled concrete is prepared by crushing waste concrete to prepare recycled coarse aggregate and fine aggregate, partially or completely replacing natural coarse aggregate and fine aggregate, crushing the waste concrete to obtain recycled aggregate, and screening the recycled aggregate before use.

Chinese patent with publication number CN212702882U discloses an aggregate screening device for commercial concrete production, which comprises a workbench, wherein the workbench is provided with a transmission mechanism, the transmission mechanism is connected with a screening mechanism in a transmission manner, and the screening mechanism is of a roller structure with a plurality of sieve pores.

In view of the above-described related art, the inventors have considered that during the screening process, the situation where the screen holes are clogged with the aggregates is liable to occur, thereby deteriorating the screening efficiency of the aggregate screening apparatus.

SUMMERY OF THE UTILITY MODEL

In order to improve aggregate sieving mechanism's screening efficiency, this application provides an aggregate sieving mechanism for recycled concrete.

The application provides a pair of aggregate sieving mechanism for recycled concrete adopts following technical scheme:

including the shell and be located the tubbiness of shell and cross the sieve ware, tubbiness cross the sieve ware with the shell rotates around self axis to be connected, the shell outside is provided with the support, and the shell is equipped with and is used for driving tubbiness sieve ware pivoted centrifugal motor, be equipped with on the shell and be used for making the aggregate get into the feed inlet that tubbiness crossed the sieve ware, be equipped with the sieve mesh on the tubbiness sieve ware, the inside electric drill that is used for broken aggregate that blocks up that is provided with of shell, the external diameter of the drill bit of electric drill is less than cross the internal diameter of sieve mesh, the inside cylinder that is equipped with of shell, the cylinder is used for making the electric drill is in tubbiness crosses the last radial movement of sieve ware, the shell is equipped with and is used for making the electric drill follows the drive structure that tubbiness crossed the length direction of sieve ware removed.

Through adopting above-mentioned technical scheme, because the aggregate that is mingled with the granule of various size differences in the concrete waste material, when centrifugal motor drove tubbiness and crosses the sieve ware and rotate, the aggregate in the tubbiness sieve ware is in the suspended state, and less aggregate granule gets into inside the shell through crossing the consent on the tubbiness sieve ware this moment, and the part aggregate granule that is equivalent with the internal diameter of crossing the consent then can block up and cross the consent, consequently installs the electric drill additional at the shell upper end, and the electric drill can hit the aggregate granule of smashing and cross on the consent.

The cylinder can make the electric drill be located the top of tubbiness sieve filter under unused state, does not disturb the rotation of tubbiness sieve filter, and the cylinder can drive the electric drill to the motion of sieving the hole when using. The drive structure can make the electric drill remove wantonly on the length direction of tubbiness sieve separator, through the combination of drive structure, cylinder and electric drill, and tubbiness sieve separator can rotate to arbitrary angle, makes the electric drill can clear up the aggregate granule of blockking up on the arbitrary sieve mesh of crossing.

Optionally, the barrel sifter is arranged obliquely.

Through adopting above-mentioned technical scheme, the one end of shell is provided with the feed port, and the slope support can make the aggregate can not gather in the feed inlet below to can lay at the rotatory in-process of tubbiness sifter in the rotation process.

Optionally, the shell slides and wears to be equipped with the gag lever post, the gag lever post is used for sliding and inserts in the sieve mesh, work as the gag lever post inserts when the sieve is downthehole, one on the tubbiness sieve ware cross the sieve mesh with the electric drill is corresponding.

Through adopting above-mentioned technical scheme, because the aggregate granule is smashed to beating of electric drill, need have higher intensity, consequently can produce when the tubbiness sieve separator can't rotate to the corresponding surface, hinder to tubbiness sieve separator, consequently set for the gag lever post, when the gag lever post can insert the sieve mesh, show that a hole on the tubbiness sieve separator has rotated to the corresponding position of electric drill.

Optionally, the drill bit of the electric drill is a double-wing-plate drill bit.

Through adopting above-mentioned technical scheme, the drill bit is probably only drills out the hole on the aggregate granule, and the sieve hole still is in the jam state, increases two pterygoid lamina and can better crushing effect.

Optionally, the driving structure includes a rotating motor, a guide rail, a lead screw and a moving block, the lead screw is rotatably connected to the guide rail, one end of the lead screw is connected to the rotating motor, the lead screw is connected to the moving block through a thread, the movable end of the cylinder is connected to the guide rail, the body of the electric drill is fixedly connected to the moving block, and the moving block is connected to the guide rail in a sliding manner.

Through adopting above-mentioned technical scheme, the cylinder can drive the guide rail and reciprocate, and the movable block can drive the electric drill and slide on the length direction of tubbiness sieve filter along the lead screw, and wherein the guide rail plays the restriction effect to the moving direction of movable block.

Optionally, the shell is divided into an upper shell and a lower shell, the upper shell is hinged to the lower shell, a material leaking hole is formed in the bottom of the lower shell, a magnet ring is arranged at the edge of the material leaking hole, a collecting box is arranged at the bottom of the lower shell, the edge of the collecting box is magnetic, and the collecting box is adsorbed on the magnet ring.

Through adopting above-mentioned technical scheme, because the aggregate through crossing the sieve mesh can receive the gravity reason to gather at the lower extreme of shell, consequently the hourglass material hole is seted up to the casing down, and through the magnetic adsorption relation, the collecting box can adsorb in the surface of casing down, and accurate alignment is leaked the material hole.

Optionally, the inner wall of the top end of the upper shell is provided with a sliding groove, a sliding block is arranged in the sliding groove, the shell is slidably provided with a push rod in a penetrating mode, one end of the push rod is connected with the sliding block, the other end of the push rod is exposed outside the shell, the sliding block is provided with a plurality of mounting grooves, and the cylinder body of the air cylinder is mounted in the mounting grooves.

Through adopting above-mentioned technical scheme, can make the slider slide to arbitrary position through control catch bar to reach and make the electric drill remove wantonly on the length direction of tubbiness sifter, and can change the slider, have a plurality of mounting grooves on the slider of difference, the efficiency of aggregate granule is clear away in the improvement that can not the degree.

Optionally, a rubber pad is arranged in the sliding groove, and the bottom of the sliding block is attached to the rubber pad.

Through adopting above-mentioned technical scheme, the slider receives the great frictional force that the rubber pad brought, can not be at will to remove on the spout, and the catch bar becomes the sole driving source of slider.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the electric drill is additionally arranged at the upper end of the shell, and the cylinder and the driving structure are arranged in the shell, so that the electric drill and the top of the barrel-shaped sieving device can freely pass through the sieve holes, and aggregate particles on the plug holes are crushed, and the production efficiency of the aggregate screening device is improved;

2. the sliding chute sliding block or the lead screw transmission device is arranged in the shell and is combined with the air cylinder, so that different driving modes are provided for the movement of the sliding block;

3. through inclined support, collecting box and two wing plate drill bits, promote the aggregate sieving mechanism to the accuracy of aggregate processing.

Drawings

Fig. 1 is a schematic view of the overall structure of an aggregate screening apparatus according to example 1.

Fig. 2 is a schematic view showing the internal structure of the aggregate screening apparatus according to example 1.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view showing the internal structure of the aggregate screening apparatus according to example 2.

Description of reference numerals: 1. a housing; 2. a support; 3. a barrel sifter; 5. a collection box; 6. a centrifugal motor; 7. a limiting rod; 8. a feed inlet; 9. a cylinder; 10. a chute and slide block device; 11. an upper housing; 12. a lower housing; 31. a magnetic ring; 32. a rotating shaft; 33. sieving by using a sieve mesh; 34. a material leaking hole; 41. rotating the motor; 42. a guide rail; 43. a screw rod; 44. a moving block; 45. an electric drill; 101. a chute; 102. a push rod; 103. a slider; 104. a rubber pad; 111. a handle; 112. buckling; 113. an observation window; 451. a twin wing drill bit; 1031. and (4) mounting the groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment 1 of the application discloses an aggregate sieving mechanism for recycled concrete. Referring to fig. 1 and 2, the aggregate screening apparatus for recycled concrete includes a housing 1, a barrel sifter 3, and a bracket 2, and the housing 1 is mounted on the bracket 2.

The shell 1 is divided into an upper shell 11 and a lower shell 12, the upper shell 11 is hinged to one side of the lower shell 12, a buckle 112 is arranged on the other side of the upper shell 11, and the upper shell 11 can be turned over relative to the lower shell. The upper housing 11 is provided with an observation window 113 on the surface and is fixedly connected with the handle 111.

The barrel-shaped screen filter 3 is positioned in the shell 1, the screen holes 33 are arranged on the barrel-shaped screen filter 3, and the included angle between the axis of the barrel-shaped screen filter 3 and the horizontal plane is 10 degrees.

The highest end of the lower shell 12 is provided with a centrifugal motor 6 and a feed inlet 8 with an upward vertical opening. The feed inlet 8 is communicated with the inner cavity of the barrel-shaped sieving device 3, a rotating shaft 32 is arranged at the center of two end faces of the barrel-shaped sieving device 3, the rotating shaft 32 is rotatably connected with the lower shell around the axis of the rotating shaft, and the output end of the centrifugal motor 6 is fixedly connected with the rotating shaft 32. The collecting box 5 is arranged on the lower shell 12, the bottom of the lower shell 12 is provided with a material leaking hole 34, the edge of the material leaking hole 34 is provided with a magnet ring, and the collecting box 5 is magnetically connected with the magnet ring.

The top of the upper shell 11 is in threaded connection with a limiting rod 7, and the limiting rod 7 is used for being inserted into the sieve hole 33; the upper shell 11 is internally provided with a blockage clearing device, the blockage clearing device comprises an electric drill 45, a cylinder 9 and a driving structure, and a drill bit of the electric drill 45 is a double-wing drill bit 451.

Referring to fig. 3, the driving structure includes a rotating motor 41, a guide rail 42, a moving block 44 and a lead screw 43, a cylinder body of the cylinder 9 is fixedly connected with the upper housing 11, a moving direction of the cylinder 9 is arranged along a radial direction of the sieving device, a moving end of the cylinder 9 is fixedly connected with the guide rail 42, and a length direction of the guide rail 42 is arranged along an axial direction of the sieving device; the body of the motor is fixed at one end of the guide rail 42, the screw rod 43 is arranged in parallel with the guide rail 42, and the output end of the motor is fixedly connected with the end part of the screw rod 43; the moving block 44 is slidably connected to the guide rail 42 along the longitudinal direction of the guide rail 42, and the lead screw 43 is threadedly connected to the moving block 44.

In use, concrete aggregate to be recycled is poured into the barrel sifter 3 from the feed inlet 8. At this time, the upper shell 11 and the lower shell 12 are in an integrated state, the centrifugal motor 6 is started to enable the barrel-shaped sieving device 3 to rotate at a high speed, and at this time, partial small particles in the aggregate can be accumulated in the lower shell 12 through the sieving holes 33 and enter the collecting box 5 through the material leaking holes 34 under the action of gravity. After a certain period of screening, part of the screening holes 33 are blocked, and the centrifugal motor 6 is turned off to make the barrel-shaped screen device 3 gradually stand still. The spacing rod 7 is inserted into the sieving holes 33 on the barrel-shaped sieving device 3 at a preset distance so as to position the barrel-shaped sieving device 3, and the uppermost sieving hole 33 on the barrel-shaped sieving device corresponds to the electric drill 45. At the moment, the rotating motor 41 is started, the electric drill 45 is driven to move to the position right above the blocked screening hole 33 through screw rod transmission, then the air cylinder 9 is started, the drill bit of the electric drill 45 moves downwards, and the blocked aggregate particles in the screening hole 33 are cleaned. After the air cylinder 9 is reset, the barrel-shaped sieving device 3 is rotated by a certain angle, and the steps are repeated to achieve the effect of clearing the blocked sieving holes 33.

The implementation principle of the embodiment 1 of the application is as follows: through drive structure and cylinder 9, make electric drill 45 portable, the aggregate granule of sieve mesh 33 is blockked up in the clearance to reach the effect that promotes aggregate sieving mechanism for the recycled concrete's screening efficiency.

Example 2: the difference from embodiment 1 is that, referring to fig. 4, the driving structure includes a push rod 102 and a sliding block 103, a sliding groove 101 is provided on the top inner wall of the upper housing 11, the sliding groove 101 is provided along the axial direction of the barrel-shaped sifter 3 in the length direction, the sliding block 103 is connected to the sliding groove 102 in a sliding manner, a rubber pad 104 is provided inside the sliding groove 101, the outer wall of one side of the sliding block 103 is attached to the rubber pad 104 during movement, and the rubber pad 104 brings large resistance to the sliding block 103. The end of the push rod 102 is connected with the sliding block 103 through threads, the push rod 102 penetrates through the upper shell 11 and is exposed outside, the sliding block 103 is provided with a mounting groove 1031, and the body is embedded into the mounting groove 1031 after the cylinder 9 is connected with the electric drill 45.

The principle of the embodiment 2 of the application is as follows: the push rod 102 is driven by manpower to enable the sliding block 103 to move on the sliding groove 101, the sliding block 103 is attached to the rubber pad 104 and cannot automatically slide in the sliding groove 101, and the electric drill 45 moves in the length direction of the barrel-shaped screen sieving device 3 to clean aggregate particles in the screen sieving holes 33 by combining the air cylinder 9 with the sliding block 103 of the sliding groove 101.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an aggregate sieving mechanism for recycled concrete, includes shell (1) and tubbiness sifter (3) that are located shell (1), tubbiness sifter (3) with shell (1) is rotated around self axis and is connected, shell (1) outside is provided with support (2), and shell (1) is equipped with and is used for driving tubbiness sifter (3) pivoted centrifugal motor (6), its characterized in that: be equipped with on shell (1) and be used for making the aggregate get into feed inlet (8) of tubbiness sieve ware (3), be equipped with sieve mesh (33) on tubbiness sieve ware (3), shell (1) inside is provided with electric drill (45) that are used for the broken aggregate that blocks up, the external diameter of the drill bit of electric drill (45) is less than cross the internal diameter of sieve mesh (33), shell (1) inside is equipped with cylinder (9), cylinder (9) are used for making electric drill (45) are in the last radial movement of sieve ware (3) is crossed to tubbiness, shell (1) is equipped with and is used for making electric drill (45) are followed the drive structure that the length direction of sieve ware (3) was crossed to the tubbiness removed.

2. The aggregate screening apparatus for recycled concrete according to claim 1, wherein: the barrel-shaped screen (3) is obliquely arranged.

3. The aggregate screening apparatus for recycled concrete according to claim 1, wherein: the utility model discloses a sieve, including shell (1), gag lever post (7) are used for sliding and insert in sieve mesh (33), work as gag lever post (7) insert when crossing in sieve mesh (33), the tubbiness cross one on sieve ware (3) cross sieve mesh (33) with electric drill (45) are corresponding.

4. The aggregate screening apparatus for recycled concrete according to claim 1, wherein: the drill bit of the electric drill (45) is a double-wing drill bit (451).

5. The aggregate screening apparatus for recycled concrete according to claim 1, wherein: the driving structure comprises a rotating motor (41), a guide rail (42), a lead screw (43) and a moving block (44), the lead screw (43) is rotatably connected with the guide rail (42), one end of the lead screw is connected with the rotating motor (41), the lead screw (43) is in threaded connection with the moving block (44), the movable end of the air cylinder (9) is connected with the guide rail (42), the body of the electric drill (45) is fixedly connected with the moving block (44), and the moving block (44) is connected with the guide rail (42) in a sliding mode.

6. The aggregate screening apparatus for recycled concrete according to claim 1, wherein: the shell (1) is divided into an upper shell (11) and a lower shell (12), the upper shell (11) is hinged to the lower shell (12), a material leaking hole (34) is formed in the bottom of the lower shell (12), a magnet ring (31) is arranged on the edge of the material leaking hole (34), a collecting box (5) is arranged on the bottom of the lower shell (12), the edge of the collecting box (5) has magnetism, and the collecting box (5) is adsorbed on the magnet ring (31).

7. The aggregate screening apparatus for recycled concrete according to claim 6, wherein: go up the top inner wall of casing (11) and be provided with spout (101), be provided with slider (103) in spout (101), shell (1) slides and wears to be equipped with catch bar (102), the one end of catch bar (102) with slider (103) are connected and the other end expose with the outside of shell (1), be provided with a plurality of mounting grooves (1031) on slider (103), the cylinder body of cylinder (9) install in mounting groove (1031).

8. The aggregate screening apparatus for recycled concrete according to claim 7, wherein: a rubber pad (104) is arranged in the sliding groove (101), and the bottom of the sliding block (103) is attached to the rubber pad (104).