CN216225376U

CN216225376U - Screening sand device for construction

Info

Publication number: CN216225376U
Application number: CN202123019960.7U
Authority: CN
Inventors: 蔡锡葵
Original assignee: Huang Yanxuan
Current assignee: Huang Yanxuan
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-08
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to the technical field of building construction, in particular to a sand screening device for building construction, which comprises: the sand screening device comprises a vibration starting mechanism, a magnetic adsorption mechanism and a sand screening screen, wherein the vibration starting mechanism is connected with the sand screening screen to enable the sand screening screen to vibrate, and the magnetic adsorption mechanism is arranged on the vibration starting mechanism to remove scrap iron in the sand on the sand screening screen. The permanent magnet is driven by the magnetic adsorption mechanism to move back and forth above the screen, and iron filings in sand are sucked out under the action of the magnetic force of the permanent magnet, so that the quality of the produced concrete is prevented from being reduced.

Description

Screening sand device for construction

Technical Field

The utility model relates to the technical field of building construction, in particular to a sand screening device for building construction.

Background

During construction, sand is often required as a raw material for concrete production, and before the sand is used, a filtering process is required to remove impurities in the sand, or the sand is screened so that sands with different thicknesses are separated.

Wherein, simple sand sieving mechanism is put in sand on the screen cloth, utilizes the gravity action to realize the autofilter of sand, can't get rid of the iron fillings that contain in the sand, and this kind of sand is when as concrete raw materials, easily leads to the concrete quality to descend.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

Aiming at the defects in the prior art, the utility model provides a sand screening device for building construction, which can effectively solve the problem that the sand in the prior art contains scrap iron.

Technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a sand screening device for building construction, which comprises: the sand screening device comprises a vibration starting mechanism, a magnetic adsorption mechanism and a sand screening screen, wherein the vibration starting mechanism is connected with the sand screening screen to vibrate the sand screening screen, and the magnetic adsorption mechanism is arranged on the vibration starting mechanism to remove scrap iron in the sand on the sand screening screen.

Further, the mechanism that shakes includes base and mounting bracket, the mounting bracket rigid coupling is in on the base, rotatable the installing of mounting bracket pivot in, the rigid coupling has the worm wheel in the pivot, rotatable the installing worm on the mounting bracket, the worm with the worm wheel phase-match, the rigid coupling has the bent axle on the pivot tip, the bent axle pass through buffer structure with the screen cloth is connected.

Further, buffer structure includes first frame, second frame, screw rod and spring, first frame is rotatable install on the bent axle, second frame is rotatable install on the screen cloth, screw rod one end slidable cooperation is in the first frame, other end slidable cooperation is in the second frame, the spiro union has adjusting nut on the both ends of screw rod, the spring housing is established on the screw rod.

Further, the magnetic adsorption mechanism comprises a stand column, a reciprocating screw is rotatably mounted on the stand column, a nut seat is connected onto the reciprocating screw in a threaded mode, a guide rod is fixedly connected onto the stand column, the nut seat is slidably matched with the guide rod, and the nut seat is detachably connected with a permanent magnet through a clamp.

Further, the clamp comprises a stud, a clamping plate and a fastening nut, the stud is fixedly connected to two sides of the nut seat, the clamping plate is slidably matched with the stud, the fastening nut is in threaded connection with the stud, and the clamping plate always abuts against the permanent magnet.

Further, the worm reaches the belt is installed in the cooperation on the reciprocal screw rod, the rigid coupling has the motor on the stand, the output rigid coupling of motor has the band pulley, the belt with the band pulley phase-match.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

the permanent magnet is driven by the magnetic adsorption mechanism to move back and forth above the screen, and iron filings in sand are sucked out under the action of the magnetic force of the permanent magnet, so that the quality of the produced concrete is prevented from being reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the present invention;

FIG. 3 is a top view of FIG. 2 of the present invention;

the reference numerals in the drawings denote: 1. a base; 2. a mounting frame; 3. a worm; 4. a rotating shaft; 5. a worm gear; 6. a crankshaft; 7. a first frame; 8. a second frame; 9. a screw; 10. a spring; 11. adjusting the nut; 12. screening a screen; 13. a column; 14. a motor; 15. a pulley; 16. a belt; 17. a reciprocating screw; 18. a nut seat; 19. a guide bar; 20. a stud; 21. a splint; 22. fastening a nut; 23. and a permanent magnet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example (b):

as shown in fig. 1 to 3, a sand sieving apparatus for construction includes: the sand screening device comprises a vibration starting mechanism, a magnetic adsorption mechanism and a sand screening screen 12, wherein the vibration starting mechanism is connected with the screen 12 to enable the screen 12 to vibrate, and the magnetic adsorption mechanism is arranged on the vibration starting mechanism to remove scrap iron in sand on the screen 12.

The mechanism that shakes includes base 1 and mounting bracket 2, 2 rigid couplings of mounting bracket are on base 1, rotatable pivot 4 of installing in the mounting bracket 2, the rigid coupling has worm wheel 5 on the pivot 4, rotatable worm 3 of installing on the mounting bracket 2, worm 3 and worm wheel 5 phase-match, the rigid coupling has bent axle 6 on the 4 tip of pivot, bent axle 6 passes through buffer structure and is connected with screen cloth 12, belt 16 is installed in the cooperation on worm 3 and the reciprocating screw 17, the rigid coupling has motor 14 on the stand 13, the output rigid coupling of motor 14 has band pulley 15, belt 16 and band pulley 15 phase-match. Starting motor 14, motor 14 pass through 16 drive worms of belt 3 and rotate, and worm 3 rotates can drive worm wheel 5 and rotates, and worm wheel 5 drives pivot 4 and rotates, and pivot 4 drives bent axle 6 and rotates, and bent axle 6 starts to vibrate through buffer structure drive screen cloth 12, and screen cloth 12 starts to vibrate and can sieve the sand.

Buffer structure includes first frame 7, second frame 8, screw rod 9 and spring 10, and rotatable the installing on bent axle 6 of first frame 7, and rotatable the installing on screen cloth 12 of second frame 8, and screw rod 9 one end slidable cooperation is in first frame 7, and other end slidable cooperation is in second frame 8, and the spiro union has adjusting nut 11 on the both ends of screw rod 9, and spring 10 cover is established on screw rod 9. The buffer structure elastically supports the first frame 7 and the second frame 8 by the spring 10, the screen 12 is driven by the crankshaft 6 to vibrate, the direction of the force between the crankshaft 6 and the screen 12 changes abruptly, a large impact force may be generated, and the spring 10 balances and buffers the impact force to prevent the parts from receiving the large impact force.

The magnetic adsorption mechanism comprises a vertical column 13, a reciprocating screw rod 17 is rotatably mounted on the vertical column 13, a nut seat 18 is screwed on the reciprocating screw rod 17, a guide rod 19 is fixedly connected on the vertical column 13, the nut seat 18 is slidably matched on the guide rod 19, and the nut seat 18 is detachably connected with a permanent magnet 23 through a clamp. The clamp comprises a stud 20, a clamping plate 21 and a fastening nut 22, the stud 20 is fixedly connected to two sides of the nut seat 18, the clamping plate 21 is slidably matched on the stud 20, the fastening nut 22 is screwed on the stud 20, and the clamping plate 21 always abuts against the permanent magnet 23. The motor 14 drives the reciprocating screw 17 to rotate through the belt 16, the reciprocating screw 17 drives the nut seat 18 to axially move when rotating so as to drive the permanent magnet 23 to move back and forth above the screen 12, iron filings in sand can be sucked out under the action of the magnetic force of the permanent magnet 23, and the clamp is used for connecting the permanent magnet 23 so as to facilitate the detachment and installation of the permanent magnet 23.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a screening sand device for construction which characterized in that includes: the sand screening device comprises a vibration starting mechanism, a magnetic adsorption mechanism and a screen (12) for screening sand, wherein the vibration starting mechanism is connected with the screen (12) so as to enable the screen (12) to vibrate, and the magnetic adsorption mechanism is arranged on the vibration starting mechanism so as to remove scrap iron in the sand on the screen (12).

2. The sand screening device for building construction according to claim 1, wherein the vibration starting mechanism comprises a base (1) and a mounting rack (2), the mounting rack (2) is fixedly connected to the base (1), a rotating shaft (4) is rotatably mounted in the mounting rack (2), a worm wheel (5) is fixedly connected to the rotating shaft (4), a worm (3) is rotatably mounted on the mounting rack (2), the worm (3) is matched with the worm wheel (5), a crankshaft (6) is fixedly connected to the end of the rotating shaft (4), and the crankshaft (6) is connected with the screen (12) through a buffer structure.

3. The sand screening device for building construction according to claim 2, wherein the buffering structure comprises a first frame (7), a second frame (8), a screw rod (9) and a spring (10), the first frame (7) is rotatably mounted on the crankshaft (6), the second frame (8) is rotatably mounted on the screen (12), one end of the screw rod (9) is slidably fitted in the first frame (7), the other end of the screw rod is slidably fitted in the second frame (8), adjusting nuts (11) are screwed on two ends of the screw rod (9), and the spring (10) is sleeved on the screw rod (9).

4. The sand screening device for building construction according to claim 3, wherein the magnetic adsorption mechanism comprises a vertical column (13), a reciprocating screw (17) is rotatably installed on the vertical column (13), a nut seat (18) is screwed on the reciprocating screw (17), a guide rod (19) is fixedly connected on the vertical column (13), the nut seat (18) is slidably matched on the guide rod (19), and the nut seat (18) is detachably connected with a permanent magnet (23) through a clamp.

5. The sand screening device for building construction according to claim 4, wherein the clamp comprises a stud (20), a clamping plate (21) and a fastening nut (22), the stud (20) is fixedly connected to two sides of the nut seat (18), the clamping plate (21) is slidably matched on the stud (20), the fastening nut (22) is screwed on the stud (20), and the clamping plate (21) is always abutted against the permanent magnet (23).

6. The sand screening device for building construction according to claim 5, wherein a belt (16) is fittingly installed on the worm (3) and the reciprocating screw (17), a motor (14) is fixedly connected to the upright column (13), a belt wheel (15) is fixedly connected to an output end of the motor (14), and the belt (16) is matched with the belt wheel (15).