CN213134008U

CN213134008U - Grit screening machine that makes an uproar falls gives sound insulation

Info

Publication number: CN213134008U
Application number: CN202021904272.1U
Authority: CN
Inventors: 张建文; 叶友东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-05-07
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a sand and stone screening machine with sound insulation and noise reduction, which comprises a loading frame, a feeding hopper, a screening chute, a motor, a stone outlet, a sand box and a baffle plate, a feeding hopper is fixedly arranged at the top of one side of the loading frame, a sand containing box is fixedly arranged at one side of the loading frame away from the feeding hopper, a screening chute is fixedly arranged on the upper surface of the sand containing box, and the high-position end of the screening inclined channel is over against the output port of the feeding hopper, the utility model utilizes the reciprocating driving structure to lead the screen to have reciprocating arc-shaped motion track in the screening inclined channel, the contact between stones in the original sandy soil and the screening action surface is not direct and hard after the stones enter the screening machine, and the impact action generated by the arc-shaped motion track due to the high initial speed when the stones fall is buffered, so that the noise generated by mutual impact is weakened.

Description

Grit screening machine that makes an uproar falls gives sound insulation

Technical Field

The utility model relates to a building engineering machinery specifically is a grit screening machine that makes an uproar falls gives sound insulation.

Background

Sand is one of the main constituent materials of concrete and mortar, and is a bulk material of civil engineering, generally divided into natural sand and artificial sand, and is formed by natural condition action (mainly rock weathering), and rock particles with the particle size of less than 5mm are called natural sand, and artificial sand, namely machine-made sand, refers to rock particles with the particle size of less than 4.75mm which are prepared by soil removal treatment, mechanical crushing and screening, but does not contain soft rock and weathered rock particles.

In the building construction process, according to different construction needs, the raw sand is required to be screened, and stones and fine sand in the raw sand are separated so as to be applied to different construction flows.

The existing sand-stone screening machine basically has good screening performance, and can realize effective separation of stones and fine sand, but the existing sand-stone screening machine usually ignores the problem that equipment can generate large noise in work, no matter the existing sand-stone screening machine adopts a vibration screening mode or a roller centrifugal screening mode, the noise is generated due to the fact that impact between stones and a working part is large, the noise is harmful, if no attention is paid, the noise can cause damage to an auditory system of constructors, in addition, the noise in a working place can also interfere language communication, the working efficiency is influenced, and even accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thereby act on the screen cloth through reciprocating motion structure and make it have the hard degree of stone and screen cloth contact in the raw materials the grit screening machine that makes an uproar falls in giving sound insulation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grit screening machine that gives sound insulation and falls makes an uproar, contains loading frame, income hopper, screening chute, motor, building stones export, dress sand box and baffle, one side top fixed mounting of loading frame has into the hopper, one side fixed mounting that the loading frame kept away from into the hopper has the dress sand box, fixed mounting has screening chute on the upper surface of dress sand box, and the high-order end of screening chute just to going into the delivery outlet of hopper, one side fixed mounting of screening chute has the motor, and the lower surface of the low level end of screening chute has seted up the building stones export, fixed mounting has the baffle between the inner wall in one side that screening chute is close to the building stones export, one side that the building stones export was kept away from in screening chute is equipped with the screening subassembly that has.

Preferably, the screening subassembly includes drive assembly, screen cloth, first stopper, spring and second stopper, fixed mounting has drive assembly on the output of motor, and drive assembly and the laminating of screening chute inner wall, fixed mounting has the screen cloth on the output of drive assembly, and the screen cloth is just to the top notch of dress sand box, screening chute keeps away from one of drive assembly and serves fixed mounting and have first stopper, the screen cloth slides and pegs graft in first stopper, and the screen cloth keeps away from one of drive assembly and serves fixed mounting and have the second stopper, and fixedly connected with spring between second stopper and the first stopper, the screen cloth passes through spring and screening elastic connection, and the smooth and easy, the long term of motion of screen cloth has been guaranteed to two times spacing and the nimble use of spring of starting point design from the motion orbit of screen cloth to the screen cloth.

Preferably, the transmission assembly comprises a base, a rotating shaft, a first connecting rod, a second connecting rod, a chute plate and a sliding block, the inner wall of the screening chute is symmetrically and fixedly provided with the base, the rotating shaft is connected in the base in a rotating manner, one side of the rotating shaft, far away from the base, is fixedly connected with the output end of the motor, one side of the rotating shaft, far away from the screen, is fixedly connected with the first connecting rod, one end of the first connecting rod, far away from the rotating shaft, is rotatably connected with the second connecting rod, one end of the base, far away from the rotating shaft, is fixedly provided with the chute plate, the sliding block is connected in the chute plate in a sliding manner, one end of the second connecting rod, far away from the first connecting rod, is rotatably connected with the sliding block, the reciprocating driving structure of the transmission assembly enables the screen to have a reciprocating circular arc-shaped motion track in the screening chute, the arc-shaped motion track buffers the impact action generated by the falling of the stones due to the high initial speed, so that the noise generated by mutual impact is weakened.

Preferably, the length of one side of the second limiting block, which is vertical to the screen, is greater than the height of the through hole of one side of the screening chute, which is far away from the transmission assembly.

Preferably, the baffle selects for use double-deck polyester fiber abatvoix, and the setting of baffle both can prevent that the building stones from receiving the extrusion to splash and causing the injury, can further weaken the propagation of noise again, improves the sound insulation of device and falls the ability of making an uproar.

Preferably, screening chute all is equipped with inward 45 degrees chamfers on keeping away from the side strake of dress sand box, and the setting of chamfer makes the dust of raising up can be followed the inclined plane landing of chamfer at the transportation of grit and screening in-process, and follow-up easier concentrates on clearing up the collection more.

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

the utility model discloses the problem that produces in from practical application starts, utilize reciprocal drive structure to make the screen cloth have reciprocal circular-arc orbit in screening ramp, this is just so that the stone in the former sand is not direct rigid with the contact of screening effect face after getting into the screening machine, the impact that produces because of having higher initial velocity forms the buffering when circular-arc orbit falls to the stone, thereby the noise that strikes the production of each other has been weakened, in addition, fixed mounting has the baffle between one side inner wall that screening ramp is close to the building stones export, what the baffle chooseed for use is double-deck polyester fiber abatvoix, the setting of baffle both can prevent that the building stones from receiving the extrusion and splashing and causing the injury, can further weaken the propagation of noise, improve the syllable-dividing and noise reduction ability of device.

Drawings

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

FIG. 2 is a schematic structural view of the screening assembly of the present invention;

FIG. 3 is a schematic view of the structure at A shown in FIG. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the point B shown in fig. 2 according to the present invention.

In the figure: 1. a loading frame; 2. feeding into a hopper; 3. screening a chute; 4. a motor; 5. a screening component; 51. a transmission assembly; 511. a base; 512. a rotating shaft; 513. a first link; 514. a second link; 515. a chute plate; 516. a slider; 52. screening a screen; 53. a first stopper; 54. a spring; 55. a second limiting block; 6. a stone outlet; 7. filling a sand box; 8. and a baffle plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the illustrated sandstone screening machine with sound insulation and noise reduction comprises a loading frame 1, a feeding hopper 2, a screening chute 3, a motor 4, a stone outlet 6, a sand containing box 7 and a baffle plate 8, wherein the feeding hopper 2 is fixedly installed at the top of one side of the loading frame 1, the sand containing box 7 is fixedly installed at one side of the loading frame 1 far away from the feeding hopper 2, the screening chute 3 is fixedly installed on the upper surface of the sand containing box 7, the high-position end of the screening chute 3 is opposite to the output port of the feeding hopper 2, the motor 4 is fixedly installed at one side of the screening chute 3, the stone outlet 6 is formed in the lower surface of the low-position end of the screening chute 3, the baffle plate 8 is fixedly installed between the inner walls of one side of the screening chute 3 close to the stone outlet 6, and the screening assembly 5 with a reciprocating stone structure is arranged at one side of.

Referring to fig. 2, the screening assembly 5 includes a transmission assembly 51, a screen 52, a first stopper 53, a spring 54 and a second stopper 55, the transmission assembly 51 is fixedly mounted on an output end of the motor 4, the transmission assembly 51 is attached to an inner wall of the screening chute 3, the screen 52 is fixedly mounted on the output end of the transmission assembly 51, the screen 52 faces a top notch of the flask 7, the first stopper 53 is fixedly mounted on an end of the screening chute 3 away from the transmission assembly 51, the screen 52 is slidably inserted into the first stopper 53, the second stopper 55 is fixedly mounted on an end of the screen 52 away from the transmission assembly 51, the spring 54 is fixedly connected between the second stopper 55 and the first stopper 53, the screen 52 is elastically connected with the screening chute 3 through the spring 54, and the two stoppers designed from a starting point of a movement track of the screen 52 and the flexible use of the spring 54 ensure smooth movement of the screen 52, Is effective for a long time.

Referring to fig. 3, the transmission assembly 51 includes a base 511, a rotating shaft 512, a first connecting rod 513, a second connecting rod 514, a chute plate 515 and a sliding block 516, the base 511 is symmetrically and fixedly mounted on an inner wall of the screening chute 3, the rotating shaft 512 is rotatably connected to the base 511, one side of the rotating shaft 512 away from the base 511 is fixedly connected to an output end of the motor 4, one side of the rotating shaft 512 away from the screen 52 is fixedly connected to the first connecting rod 513, one end of the first connecting rod 513 away from the rotating shaft 512 is rotatably connected to the second connecting rod 514, one end of the base 511 away from the rotating shaft 512 is fixedly mounted to the chute plate 515, the sliding block 516 is slidably connected to the chute plate 515, one end of the second connecting rod 514 away from the first connecting rod 513 is rotatably connected to the sliding block 516, the motor 4 drives the rotating shaft 512 to rotate, the first connecting rod 513 fixedly connected to the rotating shaft 512 rotates accordingly, and the rotation of the first connecting rod 513 pulls the second connecting rod 514, the swinging of the second connecting rod 514 can make the sliding block 516 which is rotatably connected with the second connecting rod 514 slide along the track of the sliding chute plate 515, and the screen 52 which is fixedly connected with the sliding block 516 can obtain the same circular arc reciprocating motion track, so that the contact between stones in the original sandy soil and the screening action surface is not directly rigid after entering the screening machine, and the circular arc motion track buffers the impact action generated by the falling stones due to higher initial speed, thereby weakening the noise generated by mutual impact.

Referring to fig. 4, the length of the second stopper 55 perpendicular to the side of the screen 52 is greater than the height of the through hole of the screening chute 3 far from the transmission assembly 51.

Referring to fig. 1, the baffle 8 is a double-layer polyester fiber sound-absorbing board, and the baffle 8 can prevent stones from being damaged by extrusion and splashing, further reduce noise transmission, and improve the sound insulation and noise reduction capability of the device.

Referring to fig. 1, inward 45-degree chamfers are arranged on the side strips of the screening chute 3 away from the sand box 7, and the chamfers are arranged so that dust raised in the process of conveying and screening sand and stone can slide down along the chamfers, and then the dust is easier to intensively clean and collect.

In the scheme, the sand and stone screening machine with the sound insulation and noise reduction functions has the following use principle; firstly, a motor 4 is started, after the equipment runs for a period of time in advance, raw sandy soil is poured from a feeding hopper 2 and falls into a screening chute 3, fine sand and stones are separated by the movement of a screen 52, the fine sand passes through the screen 52 and enters a sand containing box 7 for subsequent centralized collection, the stones continue to fall along the screening chute 3 and are finally guided out by a stone outlet 6, wherein the transmission principle of the movement of the screen 52 is as follows, the motor 4 drives a rotating shaft 512 to rotate, a first connecting rod 513 fixedly connected with the rotating shaft 512 rotates along with the rotating shaft, the rotation of the first connecting rod 513 pulls a second connecting rod 514 rotationally connected with the first connecting rod to swing, the swing of the second connecting rod 514 enables a sliding block 516 rotationally connected with the second connecting rod 514 to slide along the track of a chute plate 515, and the screen 52 fixedly connected with the sliding block 516 can obtain the same circular arc reciprocating motion track, so as to realize the screening of the raw.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gravel screening machine with sound insulation and noise reduction comprises a loading frame (1), a feeding hopper (2), a screening chute (3), a motor (4), a stone outlet (6), a sand containing box (7) and a baffle (8), wherein the feeding hopper (2) is fixedly installed at the top of one side of the loading frame (1), the sand containing box (7) is fixedly installed at one side, away from the feeding hopper (2), of the loading frame (1), the screening chute (3) is fixedly installed on the upper surface of the sand containing box (7), the high-position end of the screening chute (3) is just opposite to the outlet of the feeding hopper (2), the motor (4) is fixedly installed at one side of the screening chute (3), the stone outlet (6) is formed in the lower surface of the low-position end of the screening chute (3), the baffle (8) is fixedly installed between the inner walls of one side, close to the stone outlet (6), of the screening chute, the method is characterized in that: and a screening component (5) with a reciprocating structure is arranged on one side of the screening chute (3) far away from the stone outlet (6).

2. The sand and stone screening machine that makes an uproar falls in sound insulation of claim 1, characterized in that: the screening assembly (5) comprises a transmission assembly (51), a screen (52), a first limiting block (53), a spring (54) and a second limiting block (55), the transmission assembly (51) is fixedly installed on the output end of the motor (4), the transmission assembly (51) is attached to the inner wall of the screening chute (3), the screen (52) is fixedly installed on the output end of the transmission assembly (51), the screen (52) is just opposite to a top notch of the sand containing box (7), the end, far away from the transmission assembly (51), of the screening chute (3) is fixedly installed with the first limiting block (53), the screen (52) is inserted in the first limiting block (53) in a sliding mode, the end, far away from the transmission assembly (51), of the screen (52) is fixedly installed with the second limiting block (55), and the spring (54) is fixedly connected between the second limiting block (55) and the first limiting block (53), the screen (52) is elastically connected to the sifting chute (3) by means of a spring (54).

3. The sand and stone screening machine that makes an uproar falls in sound insulation of claim 2, characterized in that: the transmission component (51) comprises a base (511), a rotating shaft (512), a first connecting rod (513), a second connecting rod (514), a chute plate (515) and a sliding block (516), the inner wall of the screening chute (3) is symmetrically and fixedly provided with a base (511), and a rotating shaft (512) is rotatably connected in the base (511), one side of the rotating shaft (512) far away from the base (511) is fixedly connected with the output end of the motor (4), one side of the rotating shaft (512) far away from the screen (52) is fixedly connected with a first connecting rod (513), one end of the first connecting rod (513) far away from the rotating shaft (512) is rotatably connected with a second connecting rod (514), one end of the base (511) far away from the rotating shaft (512) is fixedly provided with a chute plate (515), and a sliding block (516) is connected in the sliding groove plate (515) in a sliding manner, and one end, far away from the first connecting rod (513), of the second connecting rod (514) is rotatably connected with the sliding block (516).

4. The sand and stone screening machine that makes an uproar falls in sound insulation of claim 3, characterized in that: the length of one side of the second limiting block (55) vertical to the screen (52) is larger than the height of the through hole of one side of the screening chute (3) far away from the transmission assembly (51).

5. The sand and stone screening machine that makes an uproar falls in sound insulation of claim 1, characterized in that: the baffle (8) is a double-layer polyester fiber acoustic board.

6. The sand and stone screening machine that makes an uproar falls in sound insulation of claim 1, characterized in that: and inward 45-degree chamfers are arranged on side edge strips of the screening chute (3) far away from the sand filling box (7).