CN212468802U

CN212468802U - Concrete aggregate particle size screening separator

Info

Publication number: CN212468802U
Application number: CN202021049417.4U
Authority: CN
Inventors: 黄碧河; 潘能霞
Original assignee: Shenzhen Hezhicheng Environmental Protection Building Materials Co ltd
Current assignee: Shenzhen Hezhicheng Environmental Protection Building Materials Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-05
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a concrete aggregate particle size screening and separating device, which belongs to the field of building construction equipment, the technical scheme is that the concrete aggregate particle size screening and separating device comprises a screening device body, the screening device body comprises a material receiving bin, a screen frame, a vibration mechanism and an elastic connecting piece, the material receiving bin is vertically arranged, the material receiving bin is provided with a discharge port, the screen frame comprises a screen, the screen is obliquely arranged above the material receiving bin, the vibrating mechanism is fixedly connected on the screen frame, the elastic connecting piece is fixedly connected between the material receiving bin and the screen, the screening device body also comprises an abutting frame and an air cylinder which are detachably arranged above the screen, the fixed support frame that is provided with on the lateral wall of receiving the feed bin, the butt frame can be dismantled the setting on the support frame and with the upper surface butt of screen cloth, the cylinder body fixed connection of cylinder is on the butt frame, the piston rod of cylinder towards the screen cloth. The function that the staff cleared up the gravel that the staff inlayed the reel is reached.

Description

Concrete aggregate particle size screening separator

Technical Field

The utility model relates to a construction equipment technical field, in particular to concrete aggregate particle size screening separator.

Background

The concrete aggregate is a granular loose material which plays a role in skeleton or filling in concrete and is divided into coarse aggregate and fine aggregate, wherein the coarse aggregate refers to pebbles, broken stones and the like, the fine aggregate refers to natural sand, artificial sand and the like, the broken stones are rock particles with the particle size of more than 5mm which are prepared by mechanically crushing and screening natural rocks, pebbles are rock particles with the particle size of more than 5mm which are prepared by natural weathering, water flow carrying, sorting and stacking, the concrete coarse aggregate contains a large number of particles with enlarged diameters, meanwhile, the concrete fine aggregate is also usually doped with small stones, so that the large particles which do not meet the requirements in the coarse aggregate and the fine aggregate need to be screened out before construction on the site, and the screening device body is used for screening, so that a large amount of time and labor force can be reduced.

Refer to fig. 1 for prior art's aggregate screening machine 3, including blanking case 31, bobbing machine 34, screen frame 32 and supporting spring 33, screen frame 32 fixes on the blanking storehouse through a plurality of supporting spring 33, be equipped with the reel 321 that is used for filtering gravel and sand on the screen frame 32, bobbing machine 34 sets up on screen frame 32, the up end slope setting of blanking case when using, starts bobbing machine 34 earlier, then the freight train falls gravel and sand onto reel 321, and tiny grit falls into blanking case 31 through the mesh of screen frame 32 in, and large granule grit then rolls one side of blanking case 31 along reel 321 to the effect that realizes carrying out the separation to large granule grit and finished product grit in the aggregate.

However, such screening device bodies have a drawback: in long-time use, the mesh of reel can be filled with the anomalous grit of a lot of shapes, and the staff needs manual the downthehole tiny stone of mesh on the reel to clear up, because some tiny stones inlay establishes in the mesh, and the staff is manual very inconvenient with the tiny stone clearance, clears up one by one, and cleaning efficiency is lower to the tiny stone that distributes on the reel simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete aggregate particle diameter screening separator has realized making things convenient for the staff to carry out the function of clearing up with the little stone of reel embedded establishment.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

concrete aggregate particle diameter screening separator, including the screening plant body, the screening plant body is including receiving the feed bin, the reel, vibration mechanism and elastic connection spare, receive the vertical placing of feed bin, the discharge gate has been seted up on receiving the feed bin, the reel includes the screen cloth, the screen cloth slope sets up in receiving the feed bin top, vibration mechanism fixed connection is on the reel, elastic connection spare fixed connection is between receiving feed bin and screen cloth, the screening plant body is still including dismantling butt frame and the cylinder of setting above the screen cloth, the fixed support frame that is provided with on the lateral wall of receiving the feed bin, the butt frame can be dismantled the setting on the support frame and with the upper surface butt of screen cloth, the cylinder body fixed connection of cylinder is on the butt frame, the piston rod of cylinder is towards the.

Through adopting above-mentioned technical scheme, when clearing up impurity, the piston rod through the cylinder extends and promotes the screen cloth to the direction that is close to receipts feed bin, make elastic connection spare by further compression, then the piston rod of control cylinder withdraws fast, the screen cloth is under elastic connection's elasticity effect with butt frame butt, the screen cloth collides with butt frame, the stone of card in the screen cloth still has the motion trend towards butt frame this moment, the screen cloth collides the in-process with butt frame repeatedly, can make most stone can wear out from the screen cloth, consequently, realized making most impurity in the screen cloth can be cleared up the function; the degree that elastic connecting piece compressed can be controlled through the length of cylinder piston rod extension, and then the collision strength between control screen cloth and the butt frame, and then make the stone wear out in can following the screen cloth of screen cloth.

The utility model discloses further set up to: the cylinder sets up a plurality ofly and is located the both ends of screen cloth incline direction respectively along the butt set.

Through adopting above-mentioned technical scheme, the piston rod synchronous extension of two cylinders of control for whole screen cloth can be compressed by the synchronization, and when the screen cloth under elastic connection spare's elastic force effect with the butt frame butt, whole screen cloth atress is even, and the screen cloth is difficult for taking place the slope for the cylinder, and then makes the subregion of screen cloth be difficult for making its interior stone be difficult for droing because of the less messenger of received impact.

The utility model discloses further set up to: the end part of the cylinder piston rod is fixedly provided with a butt plate, and the butt plate is arranged along the inclined direction parallel to the screen.

Through adopting above-mentioned technical scheme, will overcome elastic connection spare's the power that resets when the piston rod of cylinder promotes the screen cloth and removes, the butt board has increased the area of contact between the piston rod of cylinder and the screen cloth for the screen cloth is difficult for taking place deformation because of the supporting power of cylinder and elastic connection spare's the power that resets.

The utility model discloses further set up to: one side of the abutting frame close to the screen frame is fixedly provided with a first flexible buffer layer.

Through adopting above-mentioned technical scheme, the noise that sends when first flexible buffer layer can reduce butt frame and reel collision has reduced the damage that butt frame and reel caused when butt frame collides with the reel simultaneously.

The utility model discloses further set up to: the butt frame is detachably connected with the support frame in a bolt connection mode.

Through adopting above-mentioned technical scheme, make things convenient for staff to dismantle and install through bolted connection's mode, reached the effect of convenient operation.

The utility model discloses further set up to: the support frame is provided with two, and two support frames are located the both sides of receiving the feed bin respectively, have seted up the spout on the upper surface of support frame, butt frame and spout sliding connection.

Through adopting above-mentioned technical scheme, when installing the butt frame, place the butt frame on the spout, then put up the butt and push away to the reel directly over along the spout, meanwhile butt frame and reel butt have reached the function that makes things convenient for the staff to install the butt frame.

The utility model discloses further set up to: the bottom of receiving the feed bin is fixed and is provided with a plurality of supporting legs, keeps away from the fixed board of placing in bottom of receiving the feed bin at the supporting leg.

By adopting the technical scheme, the small-particle fine sand after being screened falls into the material receiving bin and is discharged from the material outlet, so that the function of conveniently separating large-particle stones from the fine sand is realized; the contact area of the supporting legs and the ground is increased by the placing plates, and the placing stability of the screening device body is improved.

The utility model discloses further set up to: a second flexible buffer layer is fixedly arranged on the bottom surface of the placing plate.

Through adopting above-mentioned technical scheme, through setting up the flexible buffer layer of second for the screening plant body can vibrate for the ground at the husky in-process of shale shaker, and the flexible buffer layer of second has reduced the collision between screening plant body and the ground, has played the effect of making an uproar simultaneously.

To sum up, the utility model discloses following technological effect has:

1. by adopting the structure of the abutting frame and the air cylinder, the function of conveniently cleaning small stones embedded in the screen frame is realized;

2. by adopting the structure of the first flexible buffer layer, the function of reducing noise generated when the screen frame collides with the abutting frame is realized;

3. through adopting the structure of seting up the spout on the support frame, realized making things convenient for the function of staff's installation butt frame.

Drawings

FIG. 1 is a three-dimensional schematic of the prior art;

fig. 2 is a three-dimensional schematic view of the present invention;

FIG. 3 is a schematic sectional view showing the position of the receiving port;

fig. 4 is an enlarged schematic view of a portion a of fig. 2.

In the figure, 1, a screening device body; 11. a material receiving bin; 111. a discharge port; 112. a support frame; 1211. a chute; 113. a material guide plate; 114. supporting legs; 115. placing the plate; 12. a screen frame; 121. screening a screen; 122. a baffle plate; 13. a vibration mechanism; 14. an elastic connecting member; 2. a cleaning mechanism; 21. an abutting frame; 211. a bolt; 22. a cylinder; 221. a butt joint plate; 3. an aggregate screening machine; 31. blanking the material box; 32. a screen frame; 321. a screen frame; 33. a support spring; 34. a vibrator.

Detailed Description

Referring to fig. 2, the utility model provides a concrete aggregate particle size screening and separating device, including screening plant body 1 and the clearance mechanism 2 of demountable installation on screening plant body 1, when screening plant body 1 sieves the material, clearance mechanism 2 is dismantled from screening plant body 1, makes screening plant body 1 sieve the material; when screening plant body 1 was blockked up by the grit of irregular or great granule, cleared up the grit of establishing through clearance mechanism 2 with screening plant body 1 is embedded.

Referring to fig. 2, the sieving apparatus body 1 includes a receiving bin 11, a sieve frame 12, a vibrating mechanism 13 and an elastic connecting member 14, the receiving bin 11 is vertically disposed, the sieve frame 12 includes a sieve screen 121 and two baffles 122 fixedly disposed at both sides of the sieve screen 121, the sieve screen 12 is generally in a grid shape, the present invention only illustrates this, the sieve screen 121 is obliquely disposed above the receiving bin 11, the vibrating mechanism 13 is fixedly connected to the baffles 122, the vibrating mechanism 13 is a vibrating motor, the elastic connecting member 14 is fixedly connected between the receiving bin 11 and the sieve screen 121, the elastic connecting member 14 is a spring, a material guiding plate 113 is fixedly connected to the receiving bin 11, the material guiding plate 113 is located at one end of the sieve screen 121 inclined downward, a receiving opening is disposed on the receiving bin 11, the receiving opening can be opened at the bottom of the receiving bin 11 or on a side wall of the receiving bin 11, and in combination with fig. 3, the present invention adopts, a plurality of supporting legs 114 are fixedly connected to the bottom of the material receiving bin 11, a placing plate 115 is fixedly connected to the bottom of the supporting legs 114, a second flexible buffer layer is detachably arranged on the bottom of the placing plate 115, and the second flexible buffer layer can be made of rubber. When materials are screened, the vibrating motor drives the screen frame 12 to vibrate, small-particle gravels fall into the material receiving bin 11, fine sand falls into the material receiving bin 11 and then is discharged from the material outlet 111, large-particle gravels slide off the material guide plate 113, the baffle 122 enables the large-particle gravels in the screening process not to roll off the screen frame 12 easily, the material blocking effect is achieved, and the function of conveniently separating large-particle stones from the fine sand is achieved; place board 115 and increased the area of contact of supporting leg 114 with ground, improved the stability of placing of screening plant body 1, the second flexible buffer layer has reduced the collision between screening plant body 1 and the ground, has played the effect of making an uproar simultaneously.

Referring to fig. 2, the abutting frame 21 and the cylinder 22 included in the cleaning mechanism 2 are fixedly connected to the supporting frames 112 on two opposite side walls of the material receiving bin 11, the abutting frame 21 is detachably disposed on the supporting frames 112 and abuts against the upper surface of the screen 121, the cylinder body of the cylinder 22 is fixedly connected to the abutting frame 21, the piston rod of the cylinder 22 faces the screen 121, an abutting plate 221 is fixedly disposed on the end portion of the piston rod of the cylinder 22, and the abutting plate 221 is disposed along the inclined direction parallel to the screen 121. When the screen cloth 121 is cleaned of the stones jammed, the screen cloth 121 is pushed in a direction close to the receiving bin 11 by the extension of the piston rod of the cylinder 22, so that the elastic connection member 14 is further compressed, then the piston rod of the control cylinder 22 is rapidly retracted, the screen 121 is abutted against the abutting frame 21 under the elastic force of the elastic connection, the screen 121 collides with the abutting frame 21, at this time, the stone clamped in the screen 121 still has the movement tendency towards the abutting frame 21, in the process of repeatedly colliding the screen 121 with the abutting frame 21, the degree to which the resilient connecting member 14 is compressed can be controlled by the extended length of the piston rod of the cylinder 22, and further, the collision strength between the screen cloth 121 and the abutment frame 21 is controlled, so that the stones jammed in the screen cloth 121 are subjected to a large impact force, so that the stones blocked in the whole screen 121 can be quickly cleaned, and the function of facilitating the workers to clean the blocked screen 121 is achieved; the abutting plate 221 increases a contact area between the piston rod of the cylinder 22 and the screen 121, so that the screen 121 is not easily deformed by the abutting force of the cylinder 22 and the restoring force of the elastic connecting member 14.

The cylinder 22 can set up singly or a plurality ofly, in order to make the stone that blocks up on the whole screen cloth 121 all can be cleared up fast, refer to fig. 2, the utility model discloses a two cylinders 22, two cylinders 22 are respectively along setting up the both ends at screen cloth 121 incline direction along butt frame 21, control the synchronous extension of the piston rod of two cylinders 22, make whole screen cloth 121 can be compressed by synchronous, when screen cloth 121 under elastic connection 14's the spring action with butt frame 21 butt, whole screen cloth 121 atress is even, the one end of screen cloth 121 is difficult for taking place the slope for cylinder 22, make the stone that blocks up on the whole screen cloth 121 all can receive great impact force and drop from screen cloth 121 when baffle 122 collides with butt frame 21.

Can produce the noise when butt frame 21 collides with baffle 122 rigid, in order to reduce the noise, reduces the damage that causes when butt frame 21 collides with baffle 122 simultaneously, the utility model discloses be provided with first flexible buffer layer in the fixed one side that is close to reel 12 at butt frame 21, first flexible buffer layer can adopt the rubber material. The first flexible buffer layer can reduce the noise that sends when butt frame 21 collides with reel 12, has reduced the damage that butt frame 21 and reel 12 caused when butt frame 21 collides with reel 12 simultaneously.

Referring to fig. 4, the abutting frame 21 is detachably connected to the supporting frame 112 by means of the bolt 211, when the operator installs the abutting frame 21, the screen frame 12 needs to be pressed downward, then the abutting frame 21 is connected to the supporting frame 112 by means of the bolt 211, but when the operator installs the abutting frame 21 at one side of the receiving bin 11, the other side of the screen frame 12 may be tilted due to the spring elastic force, so that the operator cannot conveniently install the abutting frame 21 alone, in order to improve the installation convenience of the abutting frame 21, the sliding slot 1211 is formed on the upper surface of the supporting frame 112, the cross section of the sliding slot 1211 can be T-shaped, the abutting frame 21 is slidably connected to the sliding slot 1211, when installing the abutting frame 21, the abutting frame 21 is slid along the sliding slot 1211, the abutting frame 21 is pushed to the position right above the screen frame 12 along the sliding slot 1211, and at the same time, the abutting frame 21 is abutted to the screen frame 12, in this process, the, then the handheld butt frame 21 of staff then earlier with one side and the support frame 112 fixed connection of butt frame 21, the back of finishing the installation, with the opposite side fixed connection of butt frame 21 again, the mode of connecting through bolt 211 makes things convenient for the staff to dismantle and install simultaneously, has reached the effect of convenient operation.

The utility model discloses a theory of operation does:

after sieving the material for a long time, the screen cloth 121 is interior to be inlayed more irregular small stones of shape, make the mesh of screen cloth 121 blockked up, consequently, can influence screening efficiency, the staff promotes butt frame 21 along spout 1211 this moment, then pass through bolt 211 with butt frame 21 and connect on support frame 112, then the piston rod extension of control cylinder 22, further compress the spring, then the piston rod of control cylinder 22 withdraws fast, screen cloth 121 abuts with butt frame 21 under elastic connection's the elastic force effect, screen cloth 121 collides with butt frame 21, the stone of card in screen cloth 121 still has the motion trend towards butt frame 21 this moment, make the stone of jam in screen cloth 121 receive great impact force, and then make the interior stone of jam of whole screen cloth 121 can be cleared up fast.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. Concrete aggregate particle size screening separator, including screening plant body (1), screening plant body (1) is including receiving feed bin (11), reel (12), vibration mechanism (13) and elastic connecting piece (14), receive feed bin (11) vertical placing, discharge gate (111) have been seted up on receiving feed bin (11), reel (12) are including screen cloth (121), screen cloth (121) slope sets up in receiving feed bin (11) top, vibration mechanism (13) fixed connection is on reel (12), elastic connecting piece (14) fixed connection is between receiving feed bin (11) and screen cloth (121), its characterized in that: screening plant body (1) is still including dismantling butt frame (21) and cylinder (22) that set up in screen cloth (121) top, and fixed on the lateral wall of receipts feed bin (11) is provided with support frame (112), and butt frame (21) can be dismantled to set up on support frame (112) and with the upper surface butt of screen cloth (121), the cylinder body fixed connection of cylinder (22) on butt frame (21), the piston rod of cylinder (22) towards screen cloth (121).

2. The concrete aggregate particle size screening and separating device of claim 1, wherein: the air cylinders (22) are provided in plurality along the abutting frame (21) and are respectively located at two ends of the screen (121) in the inclined direction.

3. The concrete aggregate particle size screening and separating device of claim 2, wherein: an abutting plate (221) is fixedly arranged at the end part of a piston rod of the air cylinder (22), and the abutting plate (221) is arranged along the inclined direction parallel to the screen (121).

4. The concrete aggregate particle size screening and separating device of claim 3, wherein: a first flexible buffer layer is fixedly arranged on one side of the abutting frame (21) close to the screen frame (12).

5. The concrete aggregate particle size screening and separating device of claim 1, wherein: the abutting frame (21) is detachably connected with the support frame (112) in a bolt (211) connection mode.

6. The concrete aggregate particle size screening and separating device of claim 5, wherein: the two support frames (112) are arranged, the two support frames (112) are respectively positioned at two sides of the material collecting bin (11), a sliding groove (1211) is formed in the upper surface of each support frame (112), and the abutting frame (21) is in sliding connection with the sliding groove (1211).

7. The concrete aggregate particle size screening and separating device of claim 1, wherein: a plurality of supporting legs (114) are fixedly arranged at the bottom of the material receiving bin (11), and a placing plate (115) is fixedly arranged at the bottom of the supporting legs (114) far away from the material receiving bin (11).

8. The concrete aggregate particle size screening and separating device of claim 7, wherein: a second flexible buffer layer is fixedly arranged on the bottom surface of the placing plate (115).