CN217963444U - Wet-mixed mortar sand screening device - Google Patents

Abstract

The application discloses wet-mixed mortar sand screening device belongs to the technical field of mortar sand screening, and it includes the frame, installs the power unit that sieve sand box in the frame and be used for driving sieve sand box and rock, installs the board that spreads out sand in the sieve sand box, is provided with in the frame to be used for driving the actuating mechanism that the board that spreads out sand removed along sieve sand box length direction. When this application makes the grit drop into on the screen cloth, spread out the grit on the screen cloth, improve the effect of screening the grit.

Description

Wet-mixed mortar sand screening device

Technical Field

The application relates to the field of mortar screening sand, in particular to a wet-mixed mortar screening sand device.

Background

The wet-mixed mortar is a wet-mixed mortar mixture which is prepared by metering and mixing a cementing material, a fine aggregate, an additive, water and various components determined according to performances in a mixing station, conveying the mixture to a use place by using a mixing transport vehicle, storing the mixture in a special container and finishing use within a specified time. The fine aggregate includes sand, and the sand used in wet-mixed mortars is generally used by screening fine sand and coarse sand and blending them in a certain ratio.

Chinese patent with publication number CN108672270A discloses a quick sand screening device for building engineering, including the base and install the sieve sand box on the base, the top surface of sieve sand box is provided with into sand mouth, the baffle is installed to one side of sieve sand box inside, the through-hole has been seted up at the inside upper and lower both ends of baffle, the internally mounted of through-hole has first pinion rack and second pinion rack, the meshing of the middle part of first pinion rack and second pinion rack is connected with the gear, the mid-mounting of gear has the pivot, the mounting panel is installed to the one end of pivot, the second belt pulley is installed to the other end of pivot, the outside of second belt pulley is provided with the belt, first belt pulley is installed to the bottom of belt, the mid-mounting of first belt pulley has the transmission shaft, the one end fixedly connected with motor of transmission shaft, first sieve is installed to the one end of first pinion rack, the outside of first sieve is provided with the frame, the internally mounted of frame has the screen cloth, the both sides of frame are provided with the limiting plate, the second sieve is installed to the one end of second pinion rack.

With respect to the above related art, the inventors consider that: the sand is thrown on the sieve plate from the sand inlet, and the sand can be accumulated below the sand inlet, so that the sieve plate can sieve the sand slowly, and the sieving effect is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the poor problem of screening effect, this application provides a wet mixture mortar screening sand device.

The application provides a wet-mixed mortar sand screening device adopts following technical scheme:

the utility model provides a wet-mixed mortar sand sieving device, includes the frame, install in sieve sand box in the frame and be used for the drive sieve sand box rocks power unit, install in the sieve sand box and spread out the sand board, be provided with in the frame and be used for the drive it follows to spread out the sand board sieve sand box length direction removes actuating mechanism.

Through adopting above-mentioned technical scheme, drop into the screen sand incasement with the grit, power unit drive screen sand box rocks, and actuating mechanism drive sand-making plate reciprocating motion spreads out the grit in the screen sand incasement, increases the area of contact of grit and the interior bottom surface of screen sand box to be convenient for sieve the grit in the screen sand box, improve screening efficiency.

Preferably, the sand screening box comprises a rectangular frame, a screen is fixed on the bottom surface of the rectangular frame, first cylindrical blocks are fixed at two ends of the sand spreading plate, sliding grooves are formed in the opposite inner sides of the rectangular frame, the first cylindrical blocks are connected with the rectangular frame in a sliding mode through the sliding grooves along the length direction of the rectangular frame, and one end, far away from the sand spreading plate, of each first cylindrical block is attached to the side wall of each sliding groove.

By adopting the technical scheme, when the sand-making plate moves in the sand screening box, the first cylindrical block moves in the chute, and when the rectangular frame screens sand, the first cylindrical block can move in the chute, so that the sand-making plate can move along the length direction of the rectangular frame, and sand on the screen is made to be spread.

Preferably, the rack comprises two side plates which are parallel to each other, the driving mechanism comprises a connecting rod which is installed between the two side plates, grooves are formed in the opposite inner sides of the two side plates, the two ends of the connecting rod are respectively inserted into the two grooves, the connecting rod passes through the grooves and is connected with the rack in a sliding mode along the length direction of the rack, a cylindrical rod is fixed to the bottom surface of the connecting rod, a circular groove is formed in the bottom surface of the cylindrical rod, a circular rod is inserted into the circular groove and connected with the cylindrical rod in a sliding mode along the vertical direction through the circular groove, the bottom surface of the circular rod is fixedly connected with the top surface of the sand spreading plate, and a driving piece which is used for driving the connecting rod to move is arranged on the rack.

Through adopting above-mentioned technical scheme, on the screen cloth was dropped into to the grit, the rectangle frame was rocking the sieve grit, and the pole passes through the circular slot and follows vertical migration, and driving piece drive connecting rod removes along the length direction of curb plate, and the connecting rod drives the cylinder pole and removes, and the cylinder pole drives the pole and removes, and the pole drives the length direction removal of spreading out the sand board along the rectangle frame to make the rectangle frame when rocking, the length direction reciprocating motion of rectangle frame also can be followed to the board of spreading out the sand.

Preferably, the driving part comprises a reciprocating screw rod rotatably installed in the groove, the reciprocating screw rod penetrates through the connecting rod, the connecting rod is in spiral transmission fit with the reciprocating screw rod, a first motor is fixed on the side wall of the rack, and an output shaft of the first motor is fixedly connected with one end of the reciprocating screw rod.

By adopting the technical scheme, the first motor is started, the first motor drives the reciprocating screw rod to rotate, the reciprocating screw rod drives the connecting rod to move, the connecting rod drives the cylindrical rod to move, and the cylindrical rod drives the round rod to move, so that the sand spreading plate moves.

Preferably, a rectangular through groove is formed in the side face of the sand spreading plate.

Through adopting above-mentioned technical scheme, when the grit that drops into on the screen cloth exceeds the interior bottom surface in the logical groove of rectangle, the board that smooths out of sand promotes the grit, and the grit spills from the logical groove of rectangle, reduces the resistance that the grit removed to the board that smooths out of sand to be convenient for the removal of the board that smooths out of sand.

Preferably, a fixing rod is fixed between the two side plates, a square frame is fixed on the side face of the fixing rod, the square frame is located below the rectangular frame, springs are fixed at corners of the top face of the square frame, and the top ends of the springs are fixedly connected with the bottom face of the rectangular frame.

Through adopting above-mentioned technical scheme, when the rectangle frame rocked, the spring played the supporting role to screening sand box, made the rectangle frame rock more stably to be convenient for screening sand box sieves the grit.

Preferably, the power mechanism comprises two fixing plates which are parallel to each other, a rotating shaft is installed between the two fixing plates, two ends of the rotating shaft are sleeved with discs, a second cylindrical block is fixed on the side face, away from the fixing plates, of each disc, a distance is reserved between the second cylindrical block and the rotating shaft, a third cylindrical block is fixed on the outer side, opposite to the rectangular frame, of each cylindrical block, a connecting rod is installed on the third cylindrical block in a rotating mode, one end, away from the third cylindrical block, of each connecting rod is connected with the second cylindrical block in a rotating mode, and a power part used for driving the rotating shaft to rotate is arranged on each fixing plate.

By adopting the technical scheme, the power part drives the rotating shaft to rotate, the rotating shaft drives the disc to rotate, and the disc drives the connecting rod to move, so that the connecting rod drives the rectangular frame to shake.

Preferably, the power part comprises a first belt wheel fixed on the outer peripheral surface of the rotating shaft in a sleeved mode, a transmission shaft is rotatably installed between the two fixing plates, a second belt wheel is fixedly sleeved on the outer peripheral surface of the transmission shaft in a sleeved mode, a transmission belt is sleeved on the outer peripheral surfaces of the first belt wheel and the second belt wheel, a second motor is fixed on the side surface of each fixing plate, and an output shaft of the second motor is fixedly connected with one end of the transmission shaft.

By adopting the technical scheme, the second motor is started, the second motor drives the transmission shaft to rotate, the transmission shaft drives the second belt wheel to rotate, the second belt wheel drives the first belt wheel to rotate, the belt wheel drives the rotating shaft to rotate, the rotating shaft drives the disc to rotate, and the disc drives the connecting rod to move in a reciprocating manner, so that the connecting rod drives the sand sieving box to shake.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sand is put into the sand screening box, the power mechanism drives the sand screening box to rock, the driving mechanism drives the sand spreading plate to move in a reciprocating mode, the sand in the sand screening box is spread, the contact area between the sand and the inner bottom surface of the sand screening box is increased, therefore, the sand in the sand screening box can be screened conveniently, and the screening efficiency is improved;

2. when the sand-spreading plate moves in the sand-screening box, the first cylindrical block moves in the chute, and when the rectangular frame screens sand, the first cylindrical block can move in the chute, so that the sand-spreading plate can move along the length direction of the rectangular frame conveniently, and sand on the screen is spread;

3. on the grit drops into the screen cloth, the rectangle frame is rocking the sieve grit, and the round bar passes through the circular slot and follows vertical removal, and driving piece drive connecting rod removes along the length direction of curb plate, and the connecting rod drives the cylinder pole and removes, and the cylinder pole drives the round bar and removes, and the round bar drives the length direction removal of shakeout board along the rectangle frame to make the rectangle frame when rocking, be convenient for shakeout the length direction reciprocating motion of sand board along the rectangle frame.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a sand screening box in the embodiment of the application.

Reference numerals: 1. a frame; 11. a first motor; 12. a groove; 13. a square frame; 14. fixing the rod; 15. a spring; 16. a side plate; 17. a support bar; 2. screening a sand box; 21. a third cylindrical block; 22. a chute; 23. a rectangular frame; 24. screening a screen; 3. a connecting rod; 31. a cylindrical rod; 32. a round bar; 33. spreading sand plates; 34. a rectangular through groove; 35. a reciprocating screw rod; 36. a first cylindrical block; 37. a circular groove; 4. a power mechanism; 41. a second cylindrical block; 42. a rotating shaft; 43. a connecting rod; 44. a disc; 45. a fixing plate; 5. a drive shaft; 51. a first belt wheel; 52. a second belt wheel; 53. a transmission belt; 54. and a second motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses wet-mixed mortar sand screening device.

Referring to fig. 1 and 2, the wet-mixed mortar screening device comprises a frame 1, a screening box 2 mounted on the frame 1, and a power mechanism 4 for driving the screening box 2 to shake. The frame 1 comprises two parallel side plates 16, two support rods 17 are fixed between the two side plates 16, and the support rods 17 are positioned above the sand screening box 2. The sand sieving box 2 comprises a rectangular frame 23 and a sieve 24 fixed on the bottom surface of the rectangular frame 23.

Referring to fig. 2, grooves 12 are formed in the opposite inner sides of the two side plates 16, a connecting rod 3 is installed between the two side plates 16, two ends of the connecting rod 3 are respectively inserted into the two grooves 12, and the connecting rod 3 is connected with the side plates 16 in a sliding manner along the length direction of the side plates 16 through the grooves 12. The groove 12 is internally and rotatably provided with a reciprocating screw rod 35, the reciprocating screw rod 35 penetrates through the connecting rod 3, and the reciprocating screw rod 35 is in spiral transmission fit with the connecting rod 3. A first motor 11 is fixed on the side wall of the side plate 16, and an output shaft of the first motor 11 is fixedly connected with one end of the reciprocating screw rod 35.

Referring to fig. 2, two cylindrical rods 31 are fixed on the bottom surface of the connecting rod 3, a circular groove 37 is formed in the bottom surface of each cylindrical rod 31, a circular rod 32 is inserted into each circular groove 37, and each circular rod 32 is connected with the corresponding cylindrical rod 31 in a sliding mode along the vertical direction through the corresponding circular groove 37. A sand-spreading plate 33 is installed in the rectangular frame 23, the bottom surface of the round rod 32 is fixedly connected with the top surface of the sand-spreading plate 33, a rectangular through groove 34 is formed in the side surface, close to the first motor 11, of the sand-spreading plate 33, and a distance is reserved between the bottom surface of the sand-spreading plate 33 and the top surface of the screen 24. The both ends of sand making plate 33 all are fixed with cylinder piece 36, and spout 22 has all been seted up to the relative inboard of rectangle frame 23, and cylinder piece 36 slides along the length direction of rectangle frame 23 through spout 22 and is connected with rectangle frame 23, and cylinder piece 36 one end of keeping away from sand making plate 33 is laminated mutually with the lateral wall of spout 22. When the sand thrown into the screen 24 is accumulated and piled, the connecting rod 3 drives the sand-spreading plate 33 to move, the sand is spread on the screen 24, when the sand on the screen 24 is higher than the inner bottom surface of the rectangular through groove 34, the sand leaks out of the rectangular through groove 34, the resistance of the sand to the sand-spreading plate 33 is reduced, and therefore the sand-spreading plate 33 can move conveniently.

Referring to fig. 1, a fixing rod 14 is fixed between two side plates 16, a square frame 13 is fixed on the side surface of the fixing rod 14, the square frame 13 is positioned below a rectangular frame 23, springs 15 are fixed at the corners of the top surface of the square frame 13, and the top ends of the springs 15 are fixedly connected with the bottom surface of the rectangular frame 23. When the rectangular frame 23 shakes, the spring 15 supports the rectangular frame 23, so that the rectangular frame 23 shakes stably.

Referring to fig. 3, the power mechanism 4 includes two fixing plates 45 parallel to each other, a bottom surface of each fixing plate 45 is fixedly connected to the ground, a rotation shaft 42 is installed between the two fixing plates 45, and the rotation shaft 42 is rotatably connected to the two fixing plates 45. The two ends of the rotating shaft 42 are respectively sleeved and fixed with a disc 44, the side surface of the disc 44 far away from the fixing plate 45 is fixed with a second cylindrical block 41, and the second cylindrical block 41 and the rotating shaft 42 are spaced at a distance. The opposite outer sides of the rectangular frame 23 are fixed with a third cylindrical block 21, a connecting rod 43 is rotatably mounted on the third cylindrical block 21, and one end, far away from the third cylindrical block 21, of the connecting rod 43 is rotatably connected with a second cylindrical block 41.

Referring to fig. 3, a transmission shaft 5 is rotatably mounted between the two fixing plates 45, a second pulley 52 is fixedly sleeved on the outer circumferential surface of the transmission shaft 5, and a first pulley 51 is fixedly sleeved on the outer circumferential surface of the rotation shaft 42. The outer peripheral surfaces of the first belt wheel 51 and the second belt wheel 52 are sleeved with a transmission belt 53, the side surface of the fixing plate 45 is fixed with a second motor 54, and the output shaft of the second motor 54 is fixedly connected with one end of the transmission shaft 5. And starting a second motor 54, driving the transmission shaft 5 to rotate by the second motor 54, driving the second belt wheel 52 to rotate by the transmission shaft 5, driving the first belt wheel 51 to rotate by the second belt wheel 52 through the transmission belt 53, driving the rotating shaft 42 to rotate by the first belt wheel 51, driving the disc 44 to rotate by the rotating shaft 42, driving the connecting rod 43 to move by the disc 44, and driving the sand screening box 2 to shake by the connecting rod 43, so that the sand on the screen mesh 24 is screened.

The implementation principle of the wet-mixed mortar sand sieving device in the embodiment of the application is as follows: starting a first motor 11, the first motor 11 drives a reciprocating screw rod 35 to rotate, the reciprocating screw rod 35 drives a connecting rod 3 to reciprocate, the connecting rod 3 drives a cylindrical rod 31 to reciprocate, the cylindrical rod 31 drives a round rod 32 to reciprocate, so that the round rod 32 drives a sand spreading plate 33 to move along the length direction of the sand screening box 2, sand on the screen mesh 24 is spread, and the sand screening efficiency is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a wet mixture mortar sieve sand device which characterized in that: including frame (1), install in sieve sand box (2) and being used for the drive on frame (1) sieve sand box (2) power unit (4) of rocking, install sand making plate (33) in sieve sand box (2), be provided with on frame (1) and be used for the drive sand making plate (33) are followed sieve sand box (2) length direction moves's actuating mechanism.

2. The wet-mixed mortar sand screening device of claim 1, wherein: the sand screening box (2) comprises a rectangular frame (23), a screen (24) is fixed on the bottom surface of the rectangular frame (23), first cylindrical blocks (36) are fixed at two ends of the sand spreading plate (33), sliding grooves (22) are formed in the inner sides of the rectangular frame (23), the first cylindrical blocks (36) are connected in a sliding mode through the sliding grooves (22) along the length direction of the rectangular frame (23) and the rectangular frame (23), and one ends, far away from the sand spreading plate (33), of the first cylindrical blocks (36) are attached to the side walls of the sliding grooves (22).

3. The wet-mixed mortar sand screening device of claim 2, wherein: the rack (1) comprises two side plates (16) which are parallel to each other, the driving mechanism comprises connecting rods (3) which are arranged between the two side plates (16), grooves (12) are formed in the opposite inner sides of the two side plates (16), the two ends of each connecting rod (3) are respectively inserted into the two grooves (12), the connecting rods (3) are connected with the rack (1) in a sliding mode through the grooves (12) along the length direction of the rack (1), cylindrical rods (31) are fixed to the bottom surfaces of the connecting rods (3), circular grooves (37) are formed in the bottom surfaces of the cylindrical rods (31), circular rods (32) are inserted into the circular grooves (37), the circular rods (32) are connected with the cylindrical rods (31) in a sliding mode through the circular grooves (37), the bottom surfaces of the circular rods (32) are fixedly connected with the top surfaces of the sand spreading plates (33), and driving pieces for driving the connecting rods (3) to move are arranged on the rack (1).

4. The wet-mixed mortar sand screening device of claim 3, wherein: the driving piece comprises a reciprocating screw rod (35) rotatably installed in the groove (12), the reciprocating screw rod (35) penetrates through the connecting rod (3), the connecting rod (3) is in spiral transmission fit with the reciprocating screw rod (35), a first motor (11) is fixed on the side wall of the rack (1), and an output shaft of the first motor (11) is fixedly connected with one end of the reciprocating screw rod (35).

5. The wet-mixed mortar sand screening device of claim 1, wherein: and a rectangular through groove (34) is formed in the side surface of the sand spreading plate (33).

6. The wet-mixed mortar sand screening device of claim 3, wherein: a fixing rod (14) is fixed between the two side plates (16), a square frame (13) is fixed on the side face of the fixing rod (14), the square frame (13) is located below the rectangular frame (23), springs (15) are fixed at corners of the top face of the square frame (13), and the top ends of the springs (15) are fixedly connected with the bottom face of the rectangular frame (23).

7. The wet-mixed mortar sand screening device according to claim 6, characterized in that: the power mechanism (4) comprises two fixing plates (45) which are parallel to each other, a rotating shaft (42) is installed between the two fixing plates (45), discs (44) are fixedly sleeved at two ends of the rotating shaft (42), a second cylindrical block (41) is fixed on the side face, away from the fixing plates (45), of each disc (44), a distance is reserved between the second cylindrical block (41) and the rotating shaft (42), a third cylindrical block (21) is fixed on the outer side, opposite to the rectangular frame (23), of each cylindrical block (21), a connecting rod (43) is installed on each third cylindrical block (21) in a rotating mode, one end, away from the third cylindrical block (21), of each connecting rod (43) is connected with the second cylindrical block (41) in a rotating mode, and a power piece used for driving the rotating shaft (42) to rotate is arranged on each fixing plate (45).

8. The wet-mixed mortar sand screening device of claim 7, wherein: the power part is fixed in including the cover belt pulley (51) of axis of rotation (42) outer peripheral face, two rotate between fixed plate (45) and install transmission shaft (5), the outer peripheral face cover of transmission shaft (5) is established and is fixed with band pulley two (52), band pulley (51) with the outer peripheral face cover of band pulley two (52) is equipped with drive belt (53), the side of fixed plate (45) is fixed with motor two (54), the output shaft of motor two (54) with the one end fixed connection of transmission shaft (5).

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