CN220634654U - Sand screening machine with multistage screening structure - Google Patents

Abstract

The utility model belongs to the technical field of sand screening machines, and particularly relates to a sand screening machine with a multistage screening structure, which comprises a base, wherein a support frame is fixedly connected to the base, a screening barrel is rotatably connected to the support frame, screening holes are formed in the periphery of one side of the outer wall of the screening barrel, a discharge hole is formed below the screening holes, an anti-blocking device is arranged on one side of the screening holes, a first fixing column is fixedly connected to the base, a rotating rod is rotatably connected to the first fixing column, and a riding wheel is fixedly connected to the rotating rod. This sand screening machine passes through the moderate screening barrel of inclination's setting, through the use of breaker in the screening barrel, drives the rotation of axis of rotation through motor two to drive the rotation of cutting piece on the disc, play the broken cutting effect to the sand, qualified sand flows to screening hole department through slope and rotatory screening barrel after the cutting finishes, flows to discharge gate department through screening hole department, has guaranteed the qualification rate of sand screening.

Description

Sand screening machine with multistage screening structure

Technical Field

The utility model relates to the technical field of sand screening machines, in particular to a sand screening machine with a multistage screening structure.

Background

Sand and other materials are often used on a construction site, sand screening is a common construction mode on the construction site, and a sand screening machine is a common machine on the site.

At present, among the prior art, chinese patent with bulletin number of CN215141830U discloses a high-efficient sand screening machine for construction, the device has avoided vibration screening's method through the rotation mode, can more accurate screening sand when having reduced the raise dust, a screening section of thick bamboo can make screening process more coherent, can get into breaker through the deflector to the sand that does not meet the requirements again processing simultaneously, can shake off the dust that contains in the sand on the conveyer belt through vibrator, can effectually collect the dust through the exhaust column, environmental pollution has been avoided, the sand after the clearance is purer, facilitate the use, but the inclination of a device screening section of thick bamboo is too big in the in-service use process, when pouring the sand and sieving, will not directly roll out the grit that sieves yet, be unfavorable for the screening of sand, in view of this, we propose a sand screening machine with multistage screening structure.

Disclosure of Invention

The utility model aims to provide a sand screening machine with a multi-stage screening structure, which can solve the problems in the background art.

In order to achieve the above object, the sand screening machine with a multistage screening structure provided by the utility model comprises a base, wherein a support frame is fixedly connected to the base, a screening barrel is rotatably connected to the support frame, the support frame is used for supporting the screening barrel, screening holes are formed in the periphery of one side of the outer wall of the screening barrel, a discharge hole is formed below the screening holes, sand screened out from the screening holes enters the discharge hole, an anti-blocking device is arranged on one side of the screening holes, a first fixing column is fixedly connected to the base, a rotating rod is rotatably connected to the first fixing column, the rotating rod penetrates through the first fixing column and is rotatably connected with the first fixing column, a riding wheel is fixedly connected to the rotating rod, and the anti-blocking device comprises:

the utility model provides a strike hammer, strike hammer fixedly connected with cylinder, the cylinder rotates and is connected with the fixed column III, the one end fixedly connected with U type strip that the fixed column III was kept away from to the cylinder, U type strip below is equipped with the gear, gear and dwang fixed connection, and the rotation of dwang drives the rotation of gear, and the rotation of gear can touch and drive the motion of U type strip, and then drives the motion rather than fixed connection's cylinder, and the motion of cylinder drives to strike the hammer and is strikeed the motion towards screening hole department, plays the effect of vibration to the screening hole to prevent the jam of screening hole.

Preferably, the base is provided with the crushing device, the crushing device comprises a motor II, the motor II is fixedly connected with a rotating shaft through an output shaft of the motor II, a disc is fixedly connected to the rotating shaft, a cutting piece is fixedly connected to the periphery of the outer wall of the disc, the motor II drives the rotating shaft to rotate, so that the disc and the rotating motion of the cutting piece on the disc are driven, the crushing and cutting effects on sand with larger particle size are achieved, and after the sand is cut into a qualified size, the screened sand is brought into a discharge hole through the rotating screening of the screening barrel.

Preferably, the base is fixedly connected with a second fixing column, the second fixing column is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with the rotating rod, and rotation of the output shaft of the first motor drives rotation of the rotating rod.

Preferably, a fixed block is fixedly connected to the second fixed column, and a feed inlet is fixedly connected to the fixed block.

Preferably, the screening barrel is obliquely arranged on the supporting frame, so that screened sand can be conveniently discharged to the screening holes.

Preferably, the riding wheels are provided with four groups, and the four groups of riding wheels are symmetrically distributed on two sides of the screening barrel, and the rotation of the riding wheels drives the screening barrel to rotate.

The utility model provides a sand screening machine with a multi-stage screening structure. The beneficial effects are as follows:

(1) This sand sieve separator passes through the setting of the moderate screening bucket of inclination, through the use of breaker in the screening bucket, drives the rotation of axis of rotation through motor two to drive the rotation of cutting piece on the disc, play the broken cutting effect to the sand, qualified sand flows to screening hole department through slope and rotatory screening bucket after the cutting finishes, flows to discharge gate department through screening hole department, has guaranteed the qualification rate of sand screening.

(2) This sand sieve separator passes through the use of the anti-blocking device of screening hole department, drives U type strip through gear rotation wherein and touches the motion at the gear to drive the cylindrical motion with U type strip fixed connection, and then drive to knock the hammer and do the motion of beating to screening hole department, play the effect of vibration to the screening hole, thereby prevent the jam of screening hole.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic overall sectional view of the present utility model;

FIG. 3 is a schematic view of the rear-view overall cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of the structure A in FIG. 3 according to the present utility model.

Reference numerals illustrate:

1. a base; 2. a support frame; 3. screening barrels; 4. screening holes; 5. a discharge port; 6. an anti-blocking device; 61. knocking a hammer; 62. a fixing column III; 63. a cylinder; 64. a U-shaped strip; 65. a gear; 7. fixing the first column; 8. a riding wheel; 9. a crushing device; 91. a second motor; 92. a rotating shaft; 93. a disc; 94. cutting the sheet; 10. a first motor; 11. fixing the second column; 12. a feed inlet; 13. and rotating the rod.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the sand screening machine with a multi-stage screening structure provided by the utility model comprises a base 1, a support frame 2 is fixedly connected to the base 1, a screening barrel 3 is rotatably connected to the support frame 2, the support frame 2 is used for supporting the screening barrel 3, screening holes 4 are formed in the periphery of one side of the outer wall of the screening barrel 3, a discharge hole 5 is formed below the screening holes 4, sand screened out of the screening holes 4 can enter the discharge hole 5, an anti-blocking device 6 is arranged on one side of the screening holes 4, a fixing column 7 is fixedly connected to the base 1, a rotating rod 13 is rotatably connected to the fixing column 7, the rotating rod 13 penetrates through the fixing column 7 and is rotatably connected with the fixing column 7, a riding wheel 8 is fixedly connected to the rotating rod 13, the anti-blocking device 6 comprises a knocking hammer 61, the knocking hammer 61 is fixedly connected with a cylinder 63, the cylinder 63 is rotatably connected with a fixing column three 62, one end of the cylinder 63, which is far away from the fixing column three 62, a gear 65 is arranged below the U-shaped strip 64, the gear 65 is fixedly connected with the rotating rod 13, the rotating rod 13 drives the gear 65 to rotate, the gear 65 contacts the rotating rod 65, and drives the rotating rod 65 to rotate, and drives the rotating rod 65 to move to the cylinder 63 to move to the fixing column 4, thereby shake the sieving hole 4, and prevent the knocking hole from moving to the sieving hole 4.

In the embodiment of the utility model, in order to enable the sand screening machine to operate better, in particular, a crushing device 9 is arranged on a base 1, the crushing device 9 comprises a motor II 91, the motor II 91 is fixedly connected with a rotating shaft 92 through an output shaft of the motor II, a disc 93 is fixedly connected with the rotating shaft 92, a cutting piece 94 is fixedly connected to the periphery of the outer wall of the disc 93, the motor II 91 drives the rotating shaft 92 to rotate, so that the disc 93 and the cutting piece 94 on the disc 93 are driven to rotate, the effect of crushing and cutting sand with larger particle size is achieved, after the sand is cut into a qualified size, the screened sand is brought into a screening hole 4 to a discharge hole 5 through the rotating screen of a screening barrel 3, a fixed column II 11 is fixedly connected to the base 1, a motor I10 is fixedly connected to the fixed column II 11, and the output shaft of the motor I10 and a rotating rod 13 are in a fixed connection relationship, and the rotation of the output shaft of the motor I10 drives the rotating rod 13 to rotate.

Further, specifically, fixedly connected with fixed block on the fixed column two 11, fixedly connected with pan feeding mouth 12 on the fixed block, screening bucket 3 slope is installed on support frame 2, is convenient for arrange screening sand to screening hole 4 department, and riding wheel 8 is equipped with four groups, and four groups riding wheel 8 symmetric distributions are in the both sides of screening bucket 3, and the rotation of riding wheel 8 drives the rotation of screening bucket 3.

In the utility model, when the sand screening device is used, sand to be screened is poured into the screening barrel 3 through the feeding port 12, the motor I10 and the motor II 91 are started, the motor I10 is started to drive the rotation rod 13 to rotate so as to drive the riding wheel 8 to rotate, the riding wheel 8 is driven to rotate by the rotation of the screening barrel 3, the motor II 91 is driven to rotate by the rotation shaft 92 so as to drive the disc 93 to rotate so as to drive the cutting blade 94 to rotate, after sand is put into, the sand with larger size is cut by the cutting blade 94, the sand is cut into qualified sand, the qualified sand moves towards the screening hole 4 under the rotation of the inclined screening barrel 3, then flows to the discharge port 5 from the screening hole 4 to finish screening work, and in addition, the rotation of the gear 65 in the anti-blocking device 6 is touched to drive the U-shaped strip 64 to drive the cylinder 63 to move, and the cylinder 63 drives the knocking hammer 61 to knock on the screening hole 4 to prevent the screening hole 4 from being blocked.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (6)

1. Sand screening machine with multistage screening structure, including base (1), its characterized in that: fixedly connected with support frame (2) on base (1), rotate on support frame (2) and be connected with screening barrel (3), be equipped with screening hole (4) on screening barrel (3) outer wall one side all around, screening hole (4) below is equipped with discharge gate (5), screening hole (4) one side is equipped with prevents blocking device (6), fixedly connected with fixed column one (7) on base (1), rotate on fixed column one (7) and be connected with dwang (13), dwang (13) fixedly connected with riding wheel (8), prevent blockking up device (6) include:

the knocking hammer is characterized in that the knocking hammer is (61), a cylinder (63) is fixedly connected with, the cylinder (63) is rotationally connected with a fixing column III (62), one end, away from the fixing column III (62), of the cylinder (63) is fixedly connected with a U-shaped strip (64), and a gear (65) is arranged below the U-shaped strip (64).

2. A sand screening machine having a multistage screening structure according to claim 1, characterized in that: be equipped with breaker (9) on base (1), breaker (9) include motor two (91), motor two (91) are through its output shaft fixedly connected with axis of rotation (92), fixedly connected with disc (93) on axis of rotation (92), fixedly connected with cutting piece (94) all around of disc (93) outer wall.

3. A sand screening machine having a multistage screening structure according to claim 1, characterized in that: the base (1) is fixedly connected with a second fixing column (11), the second fixing column (11) is fixedly connected with a first motor (10), and an output shaft of the first motor (10) is fixedly connected with a rotating rod (13).

4. A sand screening machine having a multistage screening structure according to claim 3, characterized in that: the fixed column II (11) is fixedly connected with a fixed block, and the fixed block is fixedly connected with a feed inlet (12).

5. A sand screening machine having a multistage screening structure according to claim 1, characterized in that: the screening barrel (3) is obliquely arranged on the supporting frame (2).

6. A sand screening machine having a multistage screening structure according to claim 1, characterized in that: the riding wheels (8) are provided with four groups, and the four groups of riding wheels (8) are symmetrically distributed on two sides of the screening barrel (3).