CN212418629U - Building construction gravel and sand sieving mechanism for concrete processing of gradable screening - Google Patents

Abstract

The utility model relates to a sieving mechanism technical field just discloses a building construction stone sieving mechanism for concrete processing of gradable screening, including first screening case, the middle part fixedly connected with feed chute of first screening case upper surface, the bottom of feed chute and the inside intercommunication of first screening case, the left and right sides of first screening case upper surface respectively with two sets of motor case fixed connection, the bottom inner wall of motor case and the top fixed connection of first push rod motor, the output of first push rod motor and the top fixed connection of first push rod. This building construction screening plant for concrete processing of gradable screening, through the cooperation setting of first push rod motor and first push rod, make first screen cloth reach the effect of vibrations, through the cooperation setting of driving motor, bull stick, cam and slide bar, make the second screen cloth reach the effect of vibrations, through the cooperation setting of second push rod motor and second push rod, make the push pedal reach the effect of removal.

Description

Building construction gravel and sand sieving mechanism for concrete processing of gradable screening

Technical Field

The utility model relates to a sieving mechanism technical field specifically is a building construction is gravel and sand sieving mechanism for concrete processing of gradable screening.

Background

The development of the real estate industry of China is very rapid, on the building site, sand and stones are indispensable materials, but due to the quality difference and the size difference of the sand and stones, the sand and stones directly conveyed to the building site from a river channel are not uniform in thickness of sand, and only can be put into building production by screening, but most of the existing sand and stone screening is that a building worker utilizes an iron sand net to carry out manual screening, so that the screening work wastes a large amount of manpower and time, and the problem that the thicknesses of the sand and stones are not uniform can not be solved.

The Chinese patent publication No. CN207914133U discloses a sand and stone screening device for construction sites, which is convenient to move through a traveling mechanism, the position of the sand and stone screening device is adjusted as required, a feed inlet and a discharge outlet are arranged on a shell, and the feed inlet and the discharge outlet are both provided with sealing doors, so that the sand and stone screening device is convenient for users to use, when a motor is started, a first connecting rod and a second connecting rod are driven to rotate, so that a first slider and a second slider respectively slide in a first sliding groove and a second sliding groove, under the action of a first supporting plate, the first screening plate slides on a second limiting groove, under the action of a second supporting plate and a fixed block, the second screening plate slides on two third limiting grooves, the diameter of the first screening hole is smaller than that of the second screening hole, so that the quality of screened sand and stone is better, the utility model has reasonable structural design and simple operation, and not only can facilitate the movement of the users, but also can improve the screening quality of the sand, but the mode has great defects: at the in-process of screening, if the great gravel and sand of volume is too much in this gravel and sand screening washer for building site, need stop the screening and take out the great gravel and sand of volume, just can continue to make this gravel and sand screening washer for building site work, great reduction the screening efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a but building construction is gravel and sand sieving mechanism for concrete processing of grade sorting screening has solved most of gravel and sand screening and has need to consume a large amount of manpower time and the problem that the gravel and sand thickness that most of gravel and sand sieving mechanism selected differs.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sand and stone screening device for processing building construction concrete capable of being screened in a grading manner comprises a first screening box, wherein a feeding groove is fixedly connected to the middle of the upper surface of the first screening box, the bottom of the feeding groove is communicated with the inside of the first screening box, the left side and the right side of the upper surface of the first screening box are fixedly connected with two groups of motor boxes respectively, the bottom inner wall of each motor box is fixedly connected with the top of a first push rod motor, the output end of each first push rod motor is fixedly connected with the top end of a first push rod, the bottom end of each first push rod penetrates through the bottom inner wall of each motor box and then penetrates through the top of the first screening box to extend into the inside of the first screening box, the bottom ends of the two groups of first push rods are fixedly connected with the middle of two groups of connecting frames respectively, the bottoms of the two groups of connecting frames are fixedly connected with the left side and the right side of a first screen respectively, and the first screen is, the bottom of the first screening box is fixedly connected with a first discharge chute, the front side of the first screening box is provided with a first discharge outlet, the front side of the first screening box is fixedly connected with a second screening box, the left side of the second screening box is fixedly connected with a first motor frame, the upper surface of the first motor frame is fixedly connected with a second push rod motor, the output end of the second push rod motor is fixedly connected with the left end of a second push rod, the right end of the second push rod passes through the left side of the second screening box and is fixedly connected with the left side of a push plate, the bottom of the second screening box is fixedly connected with a second discharge chute, the front side of the second discharge chute is fixedly connected with a second motor frame, the upper surface of the second motor frame is fixedly connected with a driving motor, the output end of the driving motor passes through the front side of the second screening box and is fixedly connected with the front end of a rotating rod, and the rear end of the rotating rod is rotatably connected with the inner wall of the rear side of the second screening box, the middle part of the rotating rod is fixedly connected with the middle part of the cam, a fixed plate is arranged above the rotating rod, the front end and the rear end of the fixed plate are fixedly connected with the inner walls of the front side and the rear side of the second screening box respectively, the middle part of the fixed plate is connected with a sliding rod in a sliding way, the top end of the sliding rod is fixedly connected with the lower surface of the second screen cloth, the middle part of the lower surface of the second screen cloth is fixedly connected with the top of a spring, the inner wall of the spring is connected with the upper side of the sliding rod in a sliding way, the bottom of the spring is fixedly connected with the upper surface of the fixed plate, the second screen cloth is fixedly connected with the inner wall of the second screening box, the right side of the second screening box is provided with a second discharge port, the right side of the second discharge port is fixedly connected with a sliding chute, the left, the bottom end of the supporting rod is rotatably connected with a roller.

Preferably, the included angle between the first screen and the horizontal plane is thirty degrees, and the front side of the first screen and the first discharge hole are positioned at the same height.

Preferably, the shape of the first discharging chute and the shape of the second discharging chute are both quadrangular frustum pyramid with an upper end surface larger than a lower end surface.

Preferably, the lower surface of the first motor frame is fixedly connected with the bottom end of the fixing rod, and the bottom end of the fixing rod is fixedly connected with the left side of the second screening box.

Preferably, the cam is located right below the sliding rod, and the length of the lower side of the sliding rod is the same as the height of the fixing plate.

Preferably, the shape of the chute is rectangular, the height of the chute is the same as the distance from the bottom of the second discharge port to the ground, and the included angle between the chute and the horizontal plane is sixty degrees.

(III) advantageous effects

The utility model provides a building construction is gravel and sand sieving mechanism for concrete processing of gradable screening possesses following beneficial effect:

1. this building construction screening plant for concrete processing of gradable screening, through the cooperation setting of first push rod motor and first push rod, make first screen cloth reach the effect of vibrations, through the cooperation setting of driving motor, bull stick, cam and slide bar, make the second screen cloth reach the effect of vibrations, through the cooperation setting of second push rod motor and second push rod, make the push pedal reach the effect of removal.

2. This building construction screening washer for concrete processing of gradable screening, setting through the gyro wheel, make the building construction screening washer for concrete processing of gradable screening reach the effect of being convenient for to remove, setting through first discharge gate, make the gravel and sand of first screening case can the landing in the second screening incasement, cooperation setting through second discharge gate and smooth silo, make gravel and sand can the roll-off second screening case, setting through the spring, make second screen cloth and fixed plate reach the effect of buffering.

Drawings

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

FIG. 2 is a schematic structural view of the inside of a second screening box of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a schematic structural diagram of the inside of the first screening box of the present invention.

In the figure: 1. a first screening bin; 2. a feed chute; 3. a motor case; 4. a first push rod motor; 5. a first push rod; 6. a connecting frame; 7. a first screen; 8. a first discharge chute; 9. a first discharge port; 10. a second screening bin; 11. a first motor mount; 12. a second push rod motor; 13. a second push rod; 14. pushing the plate; 15. a second discharge chute; 16. a second motor mount; 17. a drive motor; 18. a rotating rod; 19. a cam; 20. a fixing plate; 21. a slide bar; 22. a second screen; 23. a spring; 24. a second discharge port; 25. a chute; 26. a support bar; 27. and a roller.

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. 1-4, the present invention provides a technical solution: a sand and stone screening device for processing building construction concrete capable of being screened in a grading way comprises a first screening box 1, wherein a feeding groove 2 is fixedly connected to the middle of the upper surface of the first screening box 1, the feeding groove 2 is in a quadrangular frustum pyramid shape, the upper end surface of the feeding groove 2 is larger than the lower end surface of the feeding groove, in order to enable sand and stone to enter the first screening box 1 more easily, the bottom of the feeding groove 2 is communicated with the inside of the first screening box 1, the left side and the right side of the upper surface of the first screening box 1 are fixedly connected with two groups of motor boxes 3 respectively, the inner wall of the bottom of each motor box 3 is fixedly connected with the top of a first push rod motor 4, the output end of the first push rod motor 4 is fixedly connected with the top end of a first push rod 5, through the matching arrangement of the first push rod motor 4 and the first push rod 5, a first screen 7 achieves a vibration effect, the bottom end of the first push rod 5 penetrates through the inner wall of the bottom of the motor boxes 3 and then penetrates, the bottom ends of two groups of first push rods 5 are respectively fixedly connected with the middle parts of two groups of connecting frames 6, the bottom parts of two groups of connecting frames 6 are respectively fixedly connected with the left side and the right side of a first screen cloth 7, the first screen cloth 7 is slidably connected with the inner wall of a first screening box 1, the bottom part of the first screening box 1 is fixedly connected with a first discharge chute 8, the front side of the first screening box 1 is provided with a first discharge port 9, through the arrangement of the first discharge port 9, gravel and sand of the first screening box 1 can slide into a second screening box 10, the front side of the first screening box 1 is fixedly connected with a second screening box 10, the left side of the second screening box 10 is fixedly connected with a first motor frame 11, the upper surface of the first motor frame 11 is fixedly connected with a second push rod motor 12, the output end of the second push rod motor 12 is fixedly connected with the left end of a second push rod 13, through the matching arrangement of the second push rod motor 12 and the second push rod 13, the pushing plate 14 is enabled to achieve the moving effect, the right end of the second pushing rod 13 penetrates through the left side of the second screening box 10 and is fixedly connected with the left side of the pushing plate 14, the bottom of the second screening box 10 is fixedly connected with the second discharging groove 15, the front side of the second discharging groove 15 is fixedly connected with the second motor frame 16, the upper surface of the second motor frame 16 is fixedly connected with the driving motor 17, the output end of the driving motor 17 penetrates through the front side of the second screening box 10 and is fixedly connected with the front end of the rotating rod 18, the rear end of the rotating rod 18 is rotatably connected with the inner wall of the rear side of the second screening box 10, the middle part of the rotating rod 18 is fixedly connected with the middle part of the cam 19, the fixing plate 20 is arranged above the rotating rod 18, the front end and the rear end of the fixing plate 20 are respectively fixedly connected with the inner walls of the front side and the rear side of the second screening box 10, the middle part of the fixing, the middle part of the lower surface of the second screen 22 is fixedly connected with the top of a spring 23, the second screen 22 and the fixed plate 20 achieve the buffering effect through the arrangement of the spring 23, the inner wall of the spring 23 is slidably connected with the upper side of a slide rod 21, the second screen 22 achieves the vibration effect through the matching arrangement of a driving motor 17, a rotating rod 18, a cam 19 and the slide rod 21, the bottom of the spring 23 is fixedly connected with the upper surface of the fixed plate 20, the second screen 22 is fixedly connected with the inner wall of the second screening box 10, the right side of the second screening box 10 is provided with a second discharge hole 24, the right side of the second discharge hole 24 is fixedly connected with a slide groove 25, through the matching arrangement of the second discharge hole 24 and the slide groove 25, the sand and stone can slide out of the second screening box 10, the left side and the right side of the back of the first screening box 1 and the left side and the right side of the front of the second screening box, the bottom of bracing piece 26 is rotated and is connected with gyro wheel 27, through the setting of gyro wheel 27, makes the building construction screening plant for concrete processing of this gradable screening reach the effect of being convenient for to remove.

The utility model discloses in, in order to make the great gravel and sand of volume can be the landing easily in second screening case 10, first screen cloth 7 is thirty degrees with the contained angle of horizontal plane, and the front side of first screen cloth 7 and first discharge gate 9 are located same height.

The utility model discloses in, in order to make the less gravel and sand of volume exhaust more concentrated, the shape of first blown down tank 8 and the shape of second blown down tank 15 are the square terrace that the up end is bigger than the lower terminal surface.

The utility model discloses in, in order to make first motor frame 11 fixed more firm, the lower surface of first motor frame 11 and the bottom fixed connection of dead lever, the bottom of dead lever and the left side fixed connection of second screening case 10.

In the present invention, in order to prevent the second screen 22 from being damaged due to the sliding amplitude of the slide rod 21, the cam 19 is located directly below the slide rod 21, and the length of the lower side of the slide rod 21 is the same as the height of the fixing plate 20.

The utility model discloses in, in order to make the great gravel and sand of volume can have the roll-off of direction, the shape of smooth silo 25 is the rectangle, and the height of smooth silo 25 is the same with the distance to ground in 24 bottoms of second discharge gate, and smooth silo 25 is sixty degrees with the contained angle of horizontal plane.

When the screening device is used, a user moves the screening device for screening sand and stone for processing building construction concrete by stages through the rollers 27, the user pours the sand and stone into the feeding chute 2 according to the actual movement condition, the user starts the first push rod motor 4 according to the actual pouring condition, the first push rod motor 4 drives the first push rod 5 to move up and down, so that the connecting frame 6 and the first screen cloth 7 achieve the vibration effect, the sand and stone is vibrated, most of the sand and stone with smaller volume passes through the first screen cloth 7, then the sand and stone is discharged out of the first screening box 1 through the first discharging chute 8, the rest of the sand and stone falls into the second screening box 10 through the first discharging opening 9 due to the oblique position and vibration effect of the first screen cloth 7, the user starts the driving motor 17 according to the actual falling condition, the driving motor 17 drives the cam 19 to rotate through the rotating rod 18, cam 19 and slide bar 21's bottom contact often, break away from often, thereby make slide bar 21 reach the effect of lift, and then make second screen cloth 22 reach the effect of vibrations, thereby make the less gravel and sand of volume pass second screen cloth 22, then through second blown down tank 15 discharge second screening case 10, the user is according to the screening condition of reality, start second push rod motor 12, second push rod motor 12 drives push pedal 14 through second push rod 13 and removes, push pedal 14 releases second screening case 10 with the great gravel and sand of volume through second discharge gate 24, the final roll-off that passes through chute 25 of the great gravel and sand of volume, the work that this building construction concrete processing of gradable screening used gravel and sand sieving mechanism is continuous, improve the efficiency of screening gravel and sand greatly.

In conclusion, the sand and stone screening device for processing the building construction concrete capable of screening in grades enables the first screen cloth 7 to achieve the vibration effect through the matching arrangement of the first push rod motor 4 and the first push rod 5, through the matching arrangement of the driving motor 17, the rotating rod 18, the cam 19 and the sliding rod 21, the second screen 22 achieves the vibration effect, through the matching arrangement of the second push rod motor 12 and the second push rod 13, the push plate 14 achieves the moving effect, the sand and stone screening device for processing the building construction concrete capable of screening by grades achieves the effect of convenient movement through the arrangement of the roller 27, through the arrangement of the first discharge hole 9, the sand and the stone of the first screening box 1 can slide into the second screening box 10, through the matching arrangement of the second discharge port 24 and the material sliding groove 25, the sand and the stone can slide out of the second screening box 10, the second screen 22 and the fixing plate 20 are buffered by the arrangement of the spring 23.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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 (6)

1. The utility model provides a building construction screening of can grade by grade stone sieving mechanism for concrete processing, includes first screening case (1), its characterized in that: the middle part of the upper surface of the first screening box (1) is fixedly connected with a feeding chute (2), the bottom of the feeding chute (2) is communicated with the inside of the first screening box (1), the left side and the right side of the upper surface of the first screening box (1) are fixedly connected with two groups of motor boxes (3) respectively, the bottom inner wall of the motor box (3) is fixedly connected with the top of a first push rod motor (4), the output end of the first push rod motor (4) is fixedly connected with the top end of a first push rod (5), the bottom end of the first push rod (5) firstly penetrates through the bottom inner wall of the motor box (3) and then penetrates through the top of the first screening box (1) to extend to the inside of the first screening box (1), the bottom ends of the two groups of the first push rod (5) are fixedly connected with the middle parts of two groups of connecting frames (6) respectively, and the bottoms of the two groups of connecting frames (6) are fixedly connected with the left side and the right side of a first, the first screen (7) is connected with the inner wall of the first screening box (1) in a sliding manner, a first discharge chute (8) is fixedly connected to the bottom of the first screening box (1), a first discharge port (9) is formed in the front side of the first screening box (1), a second screening box (10) is fixedly connected to the front side of the first screening box (1), a first motor frame (11) is fixedly connected to the left side of the second screening box (10), a second push rod motor (12) is fixedly connected to the upper surface of the first motor frame (11), the output end of the second push rod motor (12) is fixedly connected to the left end of a second push rod (13), the right end of the second push rod (13) penetrates through the left side of the second screening box (10) and is fixedly connected to the left side of the push plate (14), a second discharge chute (15) is fixedly connected to the bottom of the second screening box (10), the front side fixedly connected with second motor frame (16) of second blown down tank (15), the last fixed surface of second motor frame (16) is connected with driving motor (17), the output of driving motor (17) passes the front side of second screening case (10) and the front end fixed connection of bull stick (18), the rear end of bull stick (18) and the rear side inner wall of second screening case (10) rotate to be connected, the middle part of bull stick (18) and the middle part fixed connection of cam (19), be located the top of bull stick (18) and be provided with fixed plate (20), both ends are respectively with the front and back both sides inner wall fixed connection of second screening case (10) around fixed plate (20), the middle part sliding connection of fixed plate (20) has slide bar (21), the top of slide bar (21) and the lower fixed surface of second screen cloth (22), the middle part and the top fixed connection of spring (23) of second screen cloth (22) lower surface, the utility model discloses a screening device, including spring (23), the upside sliding connection of the inner wall of spring (23) and slide bar (21), the bottom of spring (23) is connected with the last fixed surface of fixed plate (20), the inner wall fixed connection of second screen cloth (22) and second screening case (10), second discharge gate (24) have been seted up on the right side of second screening case (10), the right side fixedly connected with chute (25) of second discharge gate (24), the left and right sides behind first screening case (1) and the positive left and right sides of second screening case (10) respectively with the top fixed connection of four group's bracing pieces (26), the bottom of bracing piece (26) is rotated and is connected with gyro wheel (27).

2. The sand and stone screening device for processing building construction concrete according to claim 1, wherein the sand and stone screening device comprises: the included angle between the first screen (7) and the horizontal plane is thirty degrees, and the front side of the first screen (7) and the first discharge hole (9) are positioned at the same height.

3. The sand and stone screening device for processing building construction concrete according to claim 1, wherein the sand and stone screening device comprises: the shape of the first discharging groove (8) and the shape of the second discharging groove (15) are both quadrangular frustum pyramid, and the upper end face of the quadrangular frustum pyramid is larger than the lower end face of the quadrangular frustum pyramid.

4. The sand and stone screening device for processing building construction concrete according to claim 1, wherein the sand and stone screening device comprises: the lower surface of the first motor frame (11) is fixedly connected with the bottom end of the fixing rod, and the bottom end of the fixing rod is fixedly connected with the left side of the second screening box (10).

5. The sand and stone screening device for processing building construction concrete according to claim 1, wherein the sand and stone screening device comprises: the cam (19) is positioned right below the sliding rod (21), and the length of the lower side of the sliding rod (21) is the same as the height of the fixing plate (20).

6. The sand and stone screening device for processing building construction concrete according to claim 1, wherein the sand and stone screening device comprises: the shape of chute (25) is rectangle, and the height of chute (25) is the same with the distance from the bottom of second discharge gate (24) to ground, and the contained angle of chute (25) and horizontal plane is sixty degrees.

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