CN210411553U

CN210411553U - Gravel and sand sorting unit for civil engineering

Info

Publication number: CN210411553U
Application number: CN201921386193.3U
Authority: CN
Inventors: 孙浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-28
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to the technical field of sand and stone screening tools, in particular to a sand and stone sorting device for civil engineering; the device comprises a rotary drum, a supporting cylinder, a servo motor and a rectangular screening frame; the bottom of the rotary drum and the side wall of the lower part of the rotary drum are both provided with first sieve pores, the outer wall of the upper part of the rotary drum is fixedly provided with an annular plate, the edge of the annular plate is circumferentially provided with gear teeth, one side of the support cylinder is fixedly provided with a servo motor, and the top of the servo motor is connected with a gear meshed with the gear teeth; the bottom of the annular plate is fixedly provided with an annular inserting plate, the top of the supporting cylinder is provided with an annular groove matched with the annular inserting plate, and a ball is arranged in the annular groove; the utility model can not only carry out multi-stage screening to the sand and stone, the screening efficiency and quality are higher; the sand and stone separating machine can automatically collect the sorted sand and stone of various grades without manual collection, so that the labor is saved, and the working efficiency is relatively high.

Description

Gravel and sand sorting unit for civil engineering

Technical Field

The utility model relates to a gravel and sand screening apparatus technical field, concretely relates to gravel and sand sorting unit for civil engineering.

Background

Civil engineering is a general term for the scientific and technological process of building various engineering facilities. It refers to the applied materials, equipment and the technical activities of surveying, designing, constructing, maintaining and the like; and also refers to objects of engineering construction, i.e., various engineering facilities such as houses, roads, railways, transportation pipelines, tunnels, bridges, canals, dams, ports, power stations, airports, ocean platforms, water supply and drainage and protection works, etc., which are constructed on or under the ground, on land or in water, and serve human life, production, military, scientific research directly or indirectly.

Building sand is most common in building materials. The building sand and stone uses quartz particles as main materials, and includes a small amount of detritus and argillaceous debris sediments formed by rivers, lakes and seas and hard and undenerated artificial mechanical broken materials of rocks, and is used as concrete aggregate concrete, and is artificial stone materials formed by mixing and hardening cement, water, sand and coarse aggregate pebbles, and the like.

When the existing sand and stone sorting device is used for sorting sand and stone, the sand and stone cannot be subjected to multi-stage screening, and the sorting efficiency and quality are required to be improved. Moreover, the purpose of automatic aggregate can not be realized when the sand and stone of various grades of sorting are collected, and manual collection is needed, so that not only is the manpower consumed, but also the working efficiency is relatively low.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the above-mentioned shortcoming that prior art exists, the utility model provides a gravel and sand sorting unit for civil engineering can not only carry out multistage screening to gravel and sand, and the efficiency and the quality of screening all are than higher. Moreover, the sand and stones of various grades can be automatically collected without manual collection, so that the labor is saved, and the working efficiency is relatively high.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a sand and stone sorting device for civil engineering comprises a rotary drum, a supporting cylinder, a servo motor and a rectangular screening frame; the bottom of the rotary drum and the side wall of the lower part of the rotary drum are both provided with first sieve pores, the outer wall of the upper part of the rotary drum is fixedly provided with an annular plate, the edge of the annular plate is circumferentially provided with gear teeth, one side of the support cylinder is fixedly provided with a servo motor, and the top of the servo motor is connected with a gear meshed with the gear teeth; the bottom of the annular plate is fixedly provided with an annular inserting plate, the top of the supporting cylinder is provided with an annular groove matched with the annular inserting plate, and a ball is arranged in the annular groove; the rotary drum is inserted into the top of the supporting cylinder body through an annular inserting plate, and the rotary drum is rotatably connected with a rectangular screening frame positioned below the rotary drum and is fixed through butterfly bolts; the bottom of the rectangular sieve material frame is of a slope-shaped structure, the middle of the rectangular sieve material frame is obliquely provided with a sieve plate, the top of the sieve plate is provided with a second sieve hole, and discharge holes are formed in the front end face and the rear end face of the sieve plate.

Furthermore, a motor mounting plate is fixedly arranged on one side of the supporting cylinder, the servo motor is fixedly arranged on the motor mounting plate, and the model of the servo motor is SM130-100-15 LFB. Through servo motor's positive and negative rotation, the gravel and sand mixture that drives in the rotary drum is circular motion, and gravel and sand is from "throwing away" in first sieve mesh under the effect that receives the centrifugal force this moment, and the gravel and sand that the size is greater than first sieve mesh aperture then finally is flowed to in the rotary drum. Realizes the primary separation of sand and stone. Under the alternate rotation of the positive and negative directions of the servo motor, the sand and the stone in the rotary drum can be fully separated, the small-particle sand and the stone can be conveniently thrown out from the first sieve pores, and the efficiency and the quality of sand and stone separation are improved.

Further, the diameter of the outer wall of the rotary drum is smaller than that of the inner wall of the supporting cylinder, and the height value of the supporting cylinder is larger than the distance between the bottom of the annular plate and the bottom of the rotary drum. The supporting cylinder can play a certain role in blocking the 'thrown-out' sand and stones in the first sieve holes, so that the 'thrown-out' sand and stones finally fall on the sieve plate at the top of the rectangular sieve material frame, and secondary sieving of the sand and stones is facilitated.

Furthermore, the middle part of the bottom of the annular slot is provided with a spherical slot for installing the ball, the bottom of the annular inserting plate is provided with an arc-shaped slot body matched with the ball, and the curvature radius of the arc-shaped slot body is equal to the radius of the ball. The balls are matched with the arc-shaped groove body at the bottom of the annular inserting plate, so that the friction force borne by the rotating drum in circumferential rotation under the driving of the servo motor is smaller, and the rotating drum is lighter and faster in rotation

Furthermore, the rectangle mounting groove of downward sloping is seted up to the preceding terminal surface of rectangle sieve material frame, the sieve is pegged graft in the rectangle mounting groove, and the sieve that the slope set up is convenient for carry out the secondary screening to the gravel and sand that "throws away" in following the rotary drum, improves the screening quality of gravel and sand. And a rectangular handle is fixedly arranged at one end part of the sieve plate, so that the sieve plate is convenient to mount and dismount. The bottom of the rectangular screen frame is of a slope structure which inclines downwards from back to front, and due to the arrangement of the forcible structure, the sand and stones which are screened can flow out of the discharge port finally, so that subsequent aggregate work can be facilitated. And the four corners of the bottom of the rectangular screen frame are fixedly provided with support legs.

Furthermore, the left side and the right side of the rotary drum are symmetrically provided with connecting rods, and two threaded holes are longitudinally formed below the connecting rods; the top of the left side wall and the top of the right side wall of the rectangular screen frame are fixedly provided with installation vertical plates perpendicular to the top, one end face of each installation vertical plate is provided with an installation hole, two threaded holes are longitudinally formed below the installation hole, the connecting rod is rotatably connected with the installation vertical plates, the upper opening of the support barrel is inclined downwards by rotating the support barrel, and meanwhile, the rotary drum is manually pushed upwards to avoid falling off of the rotary drum from the support barrel inclined downwards. The sand and stone that is detained in the rotary drum is convenient to pour out, is convenient for to the collection of its sand and stone. And the thread hole is internally threaded with a butterfly bolt. The butterfly bolt is convenient for fix the support cylinder above the rectangular screen frame.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

1. the utility model discloses a circular motion is done to servo motor's rotation, the gravel and sand mixture that drives in the rotary drum, and gravel and sand "throws away" from in receiving the effect of centrifugal force from first sieve mesh this moment, and the gravel and sand that the size is greater than first sieve mesh aperture then finally is flowed to in the rotary drum. Realizes the primary separation of sand and stone. Under the alternate rotation of the positive and negative directions of the servo motor, the sand and the stone in the rotary drum can be fully separated, the small-particle sand and the stone can be conveniently thrown out from the first sieve pores, and the efficiency and the quality of sand and stone separation are improved. And the secondary screening of the sand and the stone is realized by matching with the sieve plate. Not only improves the screening efficiency of the sand and the stone, but also improves the screening quality of the sand and the stone.

2. The ball is mutually matched with the arc groove body at the bottom of the annular inserting plate, so that the friction force borne by the rotating drum in circumferential rotation under the driving of the servo motor is smaller, and the rotating drum is lighter and faster in rotation. The bottom of rectangle sieve material frame is slope shape structure, and the middle part slope of rectangle sieve material frame is equipped with the sieve that the second sieve mesh was seted up at the top, and the discharge gate has all been seted up to both ends face around the sieve. This make the gravel and sand granule after being sieved flow in the discharge gate of both ends face around by the sieve, the staff can directly collect the gravel and sand after sieving through the case that gathers materials, has realized carrying out automatic collection to the gravel and sand of the various grades of sorting out, does not need the manual work to collect, has so not only saved the manpower, and work efficiency is also relatively higher moreover.

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 invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic view of a first-view perspective structure of the present invention;

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

FIG. 3 is a schematic longitudinal sectional view of a partial structure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

fig. 5 is a schematic view of a partial structure of the present invention;

FIG. 6 is a schematic view of a first perspective structure of the drum of the present invention;

FIG. 7 is a schematic view of a second perspective structure of the drum of the present invention;

fig. 8 is a schematic structural view of the middle support cylinder of the present invention.

The reference numerals in the drawings denote:

1-rotating cylinder, 2-supporting cylinder, 3-servo motor, 4-rectangular sieve frame, 5-first sieve hole, 6-annular plate, 7-gear tooth, 8-gear, 9-annular inserting plate, 10-annular groove, 11-ball, 12-butterfly bolt, 13-second sieve hole, 14-sieve plate, 15-discharge hole, 16-motor mounting plate, 17-spherical groove, 18-arc groove body, 19-rectangular mounting groove, 20-support leg, 21-connecting rod, 22-threaded hole, 23-mounting vertical plate and 24-mounting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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

Examples

The sand and stone sorting device for civil engineering of the embodiment is as follows, with reference to fig. 1 to 8: the device comprises a rotary drum 1, a support cylinder 2, a servo motor 3 and a rectangular screening frame 4; the bottom of the rotary drum 1 and the side wall of the lower part of the rotary drum are both provided with first sieve holes 5, the outer wall of the upper part of the rotary drum 1 is fixedly provided with an annular plate 6, the edge of the annular plate 6 is circumferentially provided with gear teeth 7, one side of the support cylinder 2 is fixedly provided with a servo motor 3, and the top of the servo motor 3 is connected with a gear 8 meshed with the gear teeth 7; an annular inserting plate 9 is fixedly arranged at the bottom of the annular plate 6, an annular groove 10 matched with the annular inserting plate 9 is formed in the top of the supporting cylinder 2, and a ball 11 is arranged in the annular groove 10; the rotary drum 1 is inserted into the top of the supporting cylinder 2 through an annular inserting plate 9, and the rotary drum 1 is rotatably connected with a rectangular screening frame 4 positioned below the rotary drum 1 and is fixed through a butterfly bolt 12; the bottom of the rectangular sieve material frame 4 is of a slope-shaped structure, the middle of the rectangular sieve material frame 4 is obliquely provided with a sieve plate 14, the top of the sieve plate 14 is provided with a second sieve hole 13, and discharge holes 15 are formed in the front end face and the rear end face of the sieve plate 14.

Specifically, a motor mounting plate 16 is fixedly arranged on one side of the support cylinder 2, the servo motor 3 is fixedly arranged on the motor mounting plate 16, and the model of the servo motor 3 is SM130-100-15 LFB. Through servo motor 3's rotation, drive the gravel and sand mixture in the rotary drum 1 and do circular motion, gravel and sand "throws out" from first sieve mesh 5 under the effect that receives the centrifugal force this moment, and gravel and sand that the size is greater than first sieve mesh 5 aperture then finally is flowed to in the rotary drum 1. Realizes the primary separation of sand and stone. And under servo motor 3 positive and negative direction rotation in turn, can separate the gravel and sand in rotary drum 1 fully, the gravel and sand of being convenient for small granule "throws away" from first sieve mesh 5, has improved efficiency and quality that gravel and sand was selected separately.

The diameter of the outer wall of the rotary drum 1 is smaller than that of the inner wall of the support cylinder 2, and the height value of the support cylinder 2 is larger than the distance between the bottom of the annular plate 6 and the bottom of the rotary drum 1. The supporting cylinder 2 can play a certain role in blocking the sand and stones thrown out from the first sieve holes 5, so that the sand and stones thrown out finally fall on the sieve plate 14 at the top of the rectangular sieve frame 4, and secondary sieving of the sand and stones is facilitated.

The middle part of the bottom of the annular groove 10 is provided with a spherical groove 17 for installing the ball 11, the bottom of the annular inserting plate 9 is provided with an arc groove body 18 matched with the ball 11, and the curvature radius of the arc groove body 18 is equal to the radius of the ball 11. The balls 11 are matched with the arc groove bodies 18 at the bottom of the annular inserting plate 9, so that the friction force borne by the rotary drum 1 in the circumferential rotation under the driving of the servo motor 3 is smaller, and the rotary drum 1 is lighter and faster in rotation.

Rectangular mounting groove 19 of downward sloping is seted up to the preceding terminal surface of rectangular sieve material frame 4, and sieve 14 is pegged graft in rectangular mounting groove 19, and the sieve 14 that the slope set up is convenient for carry out the secondary screening to the gravel and sand that "throws away" in following rotary drum 1, improves the screening quality of gravel and sand. And a rectangular handle is fixedly arranged at one end part of the sieve plate 14, so that the sieve plate 14 can be conveniently mounted and dismounted. The bottom of the rectangular screen frame 4 is a slope-shaped structure which inclines downwards from the back to the front, and the sand and stones which are screened by the slope-shaped structure can flow out of the discharge hole 15 finally, so that the subsequent aggregate work can be carried out conveniently. And the four corners of the bottom of the rectangular screen frame 4 are fixedly provided with support legs 20.

The left side and the right side of the rotary drum 1 are symmetrically provided with connecting rods 21, and two threaded holes 22 are longitudinally formed below the connecting rods 21; the top of 4 left and right sides walls of rectangle sieve material frame all is fixed to be equipped with it looks vertically installation riser 23, and mounting hole 24 has been seted up to an end face of installation riser 23, and two screw holes 22 have vertically been seted up to the below of mounting hole 24, rotate between connecting rod 21 and the installation riser 23 and be connected, support barrel 2 through rotating and make the top of mouthful downward sloping, and manual promotion rotary drum 1 that makes progress simultaneously avoids rotary drum 1 to drop in by the support barrel 2 of downward sloping. The sand and stone retained in the rotary drum 1 can be poured out conveniently, and the sand and stone can be collected conveniently. And a butterfly bolt 12 is screwed in the threaded hole 22. The use of the thumb bolts 12 facilitates the fixing of the support cylinder 2 above the rectangular screen frame 4.

Use the utility model discloses when screening the gravel and sand mixture, carry the gravel and sand mixture to rotary drum 1 in through material conveying equipment (like drive mechanism such as conveyer belt), then put through servo motor 3's plug and outside power supply unit's circuit. Through servo motor 3's rotation, drive the gravel and sand mixture in the rotary drum 1 and do circular motion, gravel and sand "throws out" from first sieve mesh 5 under the effect that receives the centrifugal force this moment, and gravel and sand that the size is greater than first sieve mesh 5 aperture then finally is flowed to in the rotary drum 1. Realizes the primary separation of sand and stone. And under servo motor 3 positive and negative direction rotation in turn, can separate the gravel and sand in rotary drum 1 fully, the gravel and sand of being convenient for small granule "throws away" from first sieve mesh 5, has improved efficiency and quality that gravel and sand was selected separately. The balls 11 are matched with the arc groove 18 at the bottom of the annular inserting plate 9, so that the friction force exerted on the rotating drum 1 during circumferential rotation under the driving of the servo motor 3 is smaller, and the rotating drum 1 is lighter and faster during rotation. The 'thrown-out' sand and stone particles in the rotary drum 1 are blocked by the supporting cylinder 2, so that the 'thrown-out' sand and stone finally fall on the sieve plate 14 at the top of the rectangular sieve frame 4, and secondary sieving of the sand and stone is realized under the action of the second sieve holes 13 on the sieve plate 14. Not only improves the screening efficiency of the sand and the stone, but also improves the screening quality of the sand and the stone. The bottom of the rectangular sieve material frame 4 is of a slope-shaped structure, the middle of the rectangular sieve material frame 4 is obliquely provided with a sieve plate 14, the top of the sieve plate 14 is provided with a second sieve hole 13, and discharge holes 15 are formed in the front end face and the rear end face of the sieve plate 14. The screened sand and stone particles flow out of the discharge holes 15 on the front end face and the rear end face of the screen plate 14, and workers collect the screened sand and stone particles through the material collecting box. The automatic collection of the sorted sand and stones of various grades is realized, manual collection is not needed, so that manpower is saved, and the working efficiency is relatively high.

When the sand and stone retained in the rotary drum 1 needs to be poured out, the butterfly bolts 12 on the left side wall and the right side wall of the mounting vertical plate 23 are taken down firstly, then the upper opening is inclined downwards by rotating the supporting cylinder 2, and meanwhile, the rotary drum 1 is pushed upwards manually, so that the rotary drum 1 is prevented from falling off from the supporting cylinder 2 inclined downwards. At this moment, the sand and stone retained in the rotary drum 1 slide downwards under the action of gravity and finally pour out from the rotary drum 1, so that the collection of the sand and stone is realized. After the sand and stones are poured, the rotary drum 1 is rotated to the initial position, and then the rotary drum 1 is firmly fixed above the rectangular screen frame 4 through the cooperation of the electric bolts.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A sand and stone sorting device for civil engineering comprises a rotary drum, a supporting cylinder, a servo motor and a rectangular screening frame; the method is characterized in that: the bottom of the rotary drum and the side wall of the lower part of the rotary drum are both provided with first sieve pores, the outer wall of the upper part of the rotary drum is fixedly provided with an annular plate, the edge of the annular plate is circumferentially provided with gear teeth, one side of the support cylinder is fixedly provided with a servo motor, and the top of the servo motor is connected with a gear meshed with the gear teeth; the bottom of the annular plate is fixedly provided with an annular inserting plate, the top of the supporting cylinder is provided with an annular groove matched with the annular inserting plate, and a ball is arranged in the annular groove; the rotary drum is inserted into the top of the supporting cylinder body through an annular inserting plate, and the rotary drum is rotatably connected with a rectangular screening frame positioned below the rotary drum and is fixed through butterfly bolts; the bottom of the rectangular sieve material frame is of a slope-shaped structure, the middle of the rectangular sieve material frame is obliquely provided with a sieve plate, the top of the sieve plate is provided with a second sieve hole, and discharge holes are formed in the front end face and the rear end face of the sieve plate.

2. The sand and stone separation device for civil engineering as claimed in claim 1, wherein: one side of the supporting cylinder body is fixedly provided with a motor mounting plate, the servo motor is fixedly arranged on the motor mounting plate, and the type of the servo motor is SM 130-.

3. The sand and stone separation device for civil engineering as claimed in claim 1, wherein: the diameter of the outer wall of the rotary drum is smaller than that of the inner wall of the supporting cylinder, and the height value of the supporting cylinder is larger than the distance from the bottom of the annular plate to the bottom of the rotary drum.

4. The sand and stone separation device for civil engineering as claimed in claim 1, wherein: the spherical groove that is used for installing the ball is seted up at the middle part of annular groove bottom, the arc cell body with ball matched with is seted up to the bottom of annular picture peg, just the curvature radius of arc cell body equals the radius of ball.

5. The sand and stone separation device for civil engineering as claimed in claim 1, wherein: the front end face of the rectangular screen frame is provided with a downward-inclined rectangular mounting groove, the screen plate is inserted in the rectangular mounting groove, and a rectangular handle is fixedly arranged at one end of the screen plate; the bottom of the rectangular screen frame is of a slope structure which inclines downwards from back to front, and supporting legs are fixedly arranged at four corners of the bottom of the rectangular screen frame.

6. The sand and stone separation device for civil engineering as claimed in claim 1, wherein: the left side and the right side of the rotary drum are symmetrically provided with connecting rods, and two threaded holes are longitudinally formed below the connecting rods; the top of the left side wall and the top of the right side wall of the rectangular screen frame are fixedly provided with mounting vertical plates perpendicular to the top, one end face of each mounting vertical plate is provided with a mounting hole, two threaded holes are longitudinally formed below the mounting holes, the connecting rod is rotatably connected with the mounting vertical plates, and butterfly bolts are connected in the threaded holes in a threaded mode.