CN111359871A

CN111359871A - Small-size domestic fine sand device

Info

Publication number: CN111359871A
Application number: CN202010221781.2A
Authority: CN
Inventors: 孙梦思
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-07-03

Abstract

The invention discloses a small household sand fine device. The invention comprises a first bottom plate, a pair of supports arranged below the first bottom plate, a second bottom plate arranged below the pair of supports, a pair of supporting legs arranged below the second bottom plate, a third bottom plate arranged in the middle of the pair of supporting legs, a fine sand recovery tank arranged on the third bottom plate, a first screening device arranged on the first bottom plate, a knocking device arranged below the first screening device and a second screening device arranged below the knocking device; the second sieving mechanism is including locating the second screening frame on the second bottom plate, locate a pair of branch of second screening frame left and right sides, wear to locate the guide bar in a pair of branch, locate second filter screen and third filter screen in the second screening frame, locate the left transmission of second screening frame, strike first sieving mechanism through the knocking device, thereby filter the grit, the second sieving mechanism is to the secondary screening of grit, thereby get rid of the high-efficient screening of the grit of great granule, high screening efficiency has been reached, the clean effect of great granule grit screening.

Description

Small-size domestic fine sand device

Technical Field

The invention belongs to the technical field of building construction, and particularly relates to a small household sand fine device.

Background

Most of the sand is manufactured manually or is manually ground from certain stones, the particles are relatively larger, the fullness is stronger, and the particles can be clearly sensed to exist when the sand is held in hands. Sand is the primary material that makes up concrete and mortar.

The construction machine for screening the sand needs to be used after screening the sand in the building construction process, the screening efficiency of the existing sand screening equipment is low, and the larger-particle sand cannot be screened completely, so that the construction machine for screening the sand, which has high screening efficiency and can screen the larger-particle sand completely, needs to be researched and developed urgently.

Disclosure of Invention

The construction machine for screening the sand is high in screening efficiency and capable of screening large-particle sand completely.

In order to achieve the purpose, the invention adopts the following technical scheme: a small household fine device comprises a first bottom plate, a pair of supports arranged below the first bottom plate, a second bottom plate arranged below the pair of supports, a pair of supporting legs arranged below the second bottom plate, a third bottom plate arranged in the middle of the pair of supporting legs, a fine sand recovery tank arranged on the third bottom plate, a first screening device arranged on the first bottom plate, a knocking device arranged below the first screening device and a second screening device arranged below the knocking device; the second screening device comprises a second screening frame arranged on the second bottom plate, a pair of supporting rods arranged on the left side and the right side of the second screening frame, a guide rod penetrating through the pair of supporting rods, a second filter screen and a third filter screen arranged in the second screening frame, a transmission device arranged on the left side of the second screening frame and a drainage groove arranged at the lower part of the second screening frame; the second filter screen and the third filter screen are connected with a plurality of second springs, the second screening frame is located on the opening, the guide rod moves left and right in the supporting rod, and the drainage groove is fixedly connected with the second screening frame.

When sand is filtered by the first screening device, the sand falls into the second screening device, the guide rod is driven by the transmission mechanism to swing left and right in the pair of support rods, the guide rod drives the second screening frame to swing left and right when swinging left and right, the plurality of second springs perform irregular vibration, fine sand falling onto the second filter screen slowly falls onto the third filter screen, and then falls into the drainage groove from the third filter screen and then falls into the fine sand recovery groove from the drainage groove; through the setting of guide bar and a pair of branch, can let the second screen frame regularly go on controlling and rock, improved the efficiency of fine sand screening. Second filter screen and third filter screen can let the filterable more meticulous of fine sand, the screening effect can be better, the irregular vibration of a plurality of second springs prevents to plug up the stone that second filter screen and third filtered and vibrates, prevent to block up, improve the efficiency of fine sand screening, fine sand rocks about in second screening frame, can lead to fine sand to fall into outside the fine sand accumulator during rocking, at this moment under the effect of drainage plate, can prevent that fine sand from dropping, can collect more fine a screening process efficiency and can improve a lot, it is also cleaner to filter fine sand.

The transmission device comprises an installation rod, a third rotating shaft arranged in the installation rod, a third bevel gear arranged on the third rotating shaft and a second disc arranged below the third rotating shaft; the eccentric position at the bottom of the disc is hinged with a second connecting rod; and the second connecting rod is fixedly connected to the right side of the left support.

When sand is screened, the knocking device is started, the power of the knocking device is brought into the transmission device to drive the third bevel gear to rotate, the third bevel gear drives the second rotating shaft to rotate, the second rotating shaft drives the second disc to rotate, and the second connecting rod moves left and right under the driving of the disc; drive the rotation of third pivot through third conical gear, the rotational speed can be more stable, prevent to drop, lead to the work process inefficiency problem to appear, second disc and the eccentric setting of second connecting rod, the operation can be convenient more convenient, the power of transmission can be more even, can make the more at the uniform velocity that the grit dropped like this, the screening also cleaner, the whole process efficiency of screening grit can be higher.

The knocking device comprises a motor arranged at the upper part of the right side of the left bracket, a second rotating shaft arranged at the right side of the motor, a second bevel gear sleeved outside the second rotating shaft, a plurality of first springs arranged on the second rotating shaft at intervals and uniformly distributed, and a plurality of steel balls arranged at the tail ends of the first springs; the first springs are respectively connected with the steel balls, and the second bevel gear is meshed with the third bevel gear.

When sand is screened, a motor is started to work, the motor drives a second rotating shaft to rotate, the second rotating shaft drives a second bevel gear to rotate, the second bevel gear is meshed with a third bevel gear, a plurality of first springs on the second rotating shaft are also driven to rotate, the first springs drive steel balls to rotate, and when the steel balls rotate, the first screening device is knocked to enable fine sand to fall from the first screening device; drive the pivot through the motor and rotate, make the more convenient and fast of whole rotational speed, the machine operation is also more stable, rotate through second gear and third gear engagement, it rotates to drive transmission part, do not need to add extra power source, energy-concerving and environment-protective, raise the efficiency, connect a plurality of second springs in the second pivot, a plurality of second springs carry out irregular rotation, the irregular rotation of second spring drives the steel ball and also carries out irregular beating, can beat the irregular beating of fine sand on the first sieving mechanism, make the stone of card on the first sieving mechanism pat, make the stone of card on the first sieving mechanism bounce, the grit can be more smooth and easy drop, on the other hand can make first sieving mechanism shake many times, the filterable effect of messenger's grit can be better, the efficiency is improved.

The first screening device comprises a first screening frame arranged on a first bottom plate, a first disc arranged on the left side of the first screening frame, a first rotating shaft arranged below the first disc, a first bevel gear sleeved outside the first rotating shaft, limiting plates arranged on the front side and the rear side of the first screening frame, a pair of expansion plates arranged in the first screening frame, a pair of clamping plates arranged below the pair of expansion plates, and a first filter screen arranged below the clamping plates; the eccentric position of the top of the disc is hinged with a first connecting rod, and the first connecting rod is fixedly connected with the first screening frame; the pair of expansion plates are respectively and fixedly connected to the left side and the right side of the inner wall of the first screening frame; the pair of clamping plates are respectively connected with a pair of expansion plates, the first bevel gear is meshed with the second bevel gear, the plurality of steel balls collide with the first filter screen, and the first filter frame is fixedly connected to the opening of the first bottom plate.

When sand is filtered, the sand is poured into a first screening frame, at the moment, a first rotating shaft is enabled to rotate through the meshing of a second bevel gear and a third bevel gear, the first rotating shaft drives a first disc to rotate, the first disc drives a first connecting rod to move left and right, the first screening frame can also move left and right under the action of a limiting plate, steel balls are used for irregularly beating the first filter, a clamping plate and a telescopic plate are driven to move up and down while beating, the first filter screen is driven to move up and down, and at the moment, the sand can fall off the first filter screen; through the setting of limiting plate, can make first screening frame remove more stably about removing, beat at the steel ball to first filter screen down, first screening frame oral area is the binding off setting, avoid when beating, the fine sand can drop the external world, the effect of fine sand collection has been influenced, drive expansion plate and splint reciprocate together, when reciprocating, can cushion first filter screen, when avoiding beating, can beat too hard, first filter screen can be damaged, when expansion plate and splint remove, the height that first screening frame removed has also increased, the height that also takes first filter screen has increased, the acceleration of gravity that drops has also become, the effect of vibration can be better, fine sand screens is also cleaner, the frequency that the screening gets off is also higher.

The hopper device comprises a hopper arranged at the bottom of the first bottom plate, a pair of vertical plates arranged at the bottom of the hopper, a pair of cross rods arranged at the bottoms of the vertical plates, and a plurality of shift rods arranged at the bottoms of the cross rods; the pair of vertical plates are respectively connected with the left side and the right side of the hopper; the pair of cross rods are respectively connected with the pair of vertical plates; the bottom of the cross rod is connected with a plurality of shift levers at intervals.

When fine sand falls from the first screening frame to the hopper device and then falls from the hopper device to the second screening frame, the second screening frame can move left and right, the hopper is forbidden to move, at the moment, the vertical plate, the horizontal rod and the deflector rod below the hopper can stir the second filter screen, the vertical plate, the horizontal rod and the deflector rod can drive the second spring to shake while stirring, and the second spring drives the third filter screen to shake; through the setting of hopper, the sprinkling that fine sand can not be controlled falls in the outside for fine sand is more collect, and the riser, the setting of diaphragm and driving lever can make the smooth and easy dropping of fine sand on the filter screen, and the effect of fine sand screening can be more meticulous, and the driving lever sets up a plurality ofly, and the frequency of stirring that can make can be higher, and the screening effect can be better.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a sectional perspective view taken along line a-a in fig. 2.

Fig. 4 is an enlarged view of a structure shown in fig. 3.

Fig. 5 is an enlarged view of the structure at B in fig. 4.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in figure 1, a small household sand fine device comprises a first bottom plate 1, a pair of brackets 4, a second bottom plate 2, a pair of supporting legs 6, a third bottom plate 3, a fine sand recovery tank 5, a first screening device 8, a knocking device 9 and a second screening device 11; the pair of brackets 4 are respectively arranged at the left side and the right side below the first bottom plate 1; the second bottom plate 2 is arranged below the first bottom plate 1, the left side and the right side of the second bottom plate 2 are respectively and fixedly connected with the left side and the right side of the middle part of the pair of brackets 4, and an opening is formed in the middle part of the second bottom plate 2; the pair of supporting legs 6 are respectively and fixedly connected to the left side and the right side of the lower part of the second bottom plate 2; the third bottom plate 3 is arranged at the lower part of the second bottom plate 2, and the left side and the right side of the third bottom plate 3 are respectively fixedly connected with the left side and the right side of the lower part of the pair of brackets 4; the fine sand recovery tank 5 is arranged on the third bottom plate 3; the first screening device 8 is arranged at the upper part of the first bottom plate 1; the knocking device 9 is arranged at the lower part of the first screening device 8 and is fixedly connected with the first screening device 8; the second screening device 11 is arranged on the upper part of the second bottom plate 2 and is fixedly connected with the opening on the second bottom plate 2; the knocking device 9 is arranged on the right side of the left support 4 and is fixedly connected with the right side of the left support.

The second screening device 11 comprises a second screening frame 112, a pair of support rods 113, a guide rod 111, a second filter screen 114, a third filter screen 115, a transmission device 10, a drainage groove 117 and a second spring 116; the pair of supporting rods 113 are respectively arranged on the left side and the right side of the opening of the second bottom plate 2 and fixedly connected with the opening; the guide rod 111 penetrates through the pair of supporting rods 113 and can slide left and right in the supporting rods 113; the second screening frame 112 is arranged between the guide rods 111 and is fixedly connected with the guide rods; the second filter screen 114 is arranged in the second filter frame 112 and is fixedly connected with the second filter frame 112; the second springs 116 are respectively arranged at four corners under the second filter screen 114, the number of the second springs 116 is 4, and one end of each second spring 116 is fixedly connected with the second filter screen 114; the third filter screen 115 is arranged at the lower part of the second spring 116, the third filter screen 115 is fixedly connected with the other end of the second spring 116, and the third filter screen 115 and the opening of the second bottom plate 2 are on the same vertical surface; the transmission device 10 is arranged at the upper part of the left side of the second screening frame 112 and is fixedly connected with the upper part of the left side of the second screening frame; the drainage groove 117 is arranged at the lower part of the third filter screen 115 and is fixedly connected with the lower part of the third filter screen, and the length of the drainage groove extends out of the opening of the second bottom plate 2.

The transmission device 10 comprises a mounting rod 11, a third rotating shaft 12, a second connecting rod 15, a third bevel gear 13 and a second disc 14; the mounting rod 11 is arranged on the right side of the left bracket 4 and is fixedly connected with the right side of the left bracket; the third rotating shaft 12 is arranged in the mounting rod 11; the third bevel gear 13 is sleeved on the third rotating shaft 12; the second disc 14 is arranged at the lower part of the third rotating shaft 12 and is fixedly connected with the lower part of the third rotating shaft; the second connecting rod 15 is arranged at the bottom of the second disc 14 and is hinged at an eccentric position.

The knocking device 9 comprises a motor 91, a second rotating shaft 92, a second bevel gear 95, a first spring 93 and a plurality of steel balls 94; the motor 91 is arranged on the upper part of the right side of the left bracket 4 and is fixedly connected with the upper part of the right side of the left bracket; the second rotating shaft 92 is arranged on the right side of the motor 91 and is fixedly connected with the right side of the motor 91; the second bevel gear 95 is sleeved on the left side of the outer part of the second rotating shaft 92, and the second bevel gear 95 and the third bevel gear 13 rotate in a meshing manner; the plurality of first springs 93 are arranged on the second rotating shaft 92, the plurality of first springs 93 are uniformly distributed on the second rotating shaft 92 at intervals, and one ends of the plurality of first springs 93 are fixedly connected with the second rotating shaft 92; the plurality of steel balls 94 are respectively arranged on the plurality of first springs 93, and the plurality of steel balls 94 are fixedly connected with the other ends of the plurality of first springs 93.

The first screening device 8 comprises a first screening frame 81, a first disc 87, a first rotating shaft 86, a first bevel gear 88, a limiting plate 89, a first connecting rod 85, a telescopic plate 83, a pair of clamping plates 82 and a first filter screen 84; the first bevel gear 88 is arranged on the second bevel gear 95, and the first bevel gear and the second bevel gear rotate in a meshed manner; the first rotating shaft 86 is arranged on the upper part of the first bevel gear 88 and fixedly connected with the upper part, and penetrates through the first bottom plate 1; the first disc 87 is arranged at the upper part of the first rotating shaft 86 and is fixedly connected with the first rotating shaft; the first connecting rod 85 is arranged at the eccentric position of the first disc 87 and is hinged, and the first connecting rod 85 is connected with the first disc 87; the first screening frame 81 is arranged on the right side of the first connecting rod 85, the first screening frame 81 is fixedly connected with the other end of the first connecting rod 85, and an opening at the upper part of the first screening frame 81 is in closing-up arrangement; the pair of expansion plates 83 are respectively arranged on the left side and the right side in the first screening frame 81; the pair of clamping plates 82 are respectively arranged at the lower parts of the pair of expansion plates 83 and fixedly connected; the left side and the right side of the first filter screen 84 are respectively arranged at the lower parts of the pair of clamping plates 82 and fixedly connected; the first screening frame 81 is arranged on the opening of the first bottom plate 1; the first spring 93 has an initial length greater than the distance between the first filter 84 and the second rotation shaft 92.

The hopper device 7 comprises a hopper 71, a pair of vertical plates 71, a pair of cross rods 72 and a plurality of shift rods 73; the hopper 71 is arranged below the opening of the first bottom plate 1 and is fixedly connected with the opening; the pair of vertical plates 71 are arranged at the lower parts of the left side and the right side of the hopper 71 and are fixedly connected; the pair of cross rods 72 are respectively arranged at the lower parts of the pair of brush plates 71 and fixedly connected; the plurality of shifting rods 73 are respectively arranged at the lower parts of the pair of cross rods 72 and fixedly connected, the number of the shifting rods is 20, and the number of the shifting rods on the pair of cross plates 72 is equal to 10.

The working principle is as follows: when the sand is subjected to shape screening, a proper amount of sand is poured into a first screening device, a motor is started, the motor drives a second rotating shaft to rotate, the second rotating shaft drives a second bevel gear to rotate, the second bevel gear is meshed with a first bevel gear to drive the first bevel gear to rotate, the first bevel gear drives a first rotating shaft to rotate, the first rotating shaft drives a first disc to rotate, the first disc drives a first connecting rod to move left and right, the first screening frame performs left and right moving screening on a first bottom plate, when the second rotating shaft rotates, a plurality of first springs are driven to rotate simultaneously, a plurality of first springs drive a plurality of steel balls to rotate, the steel balls strike the first filter screen while rotating, the first filter screen moves upwards to drive a clamping plate to move upwards, and the clamping plate drives a telescopic plate to move upwards, when the steel balls are not knocked, the expansion plate, the clamping plate and the first filter screen move downwards to reset, when the sand is screened from the first filter screen, the sand falls into the second screening frame from the hopper, the second bevel gear drives the third bevel gear to rotate, the third bevel gear drives the second rotating shaft to rotate, the second rotating shaft drives the second disc to rotate, the second disc drives the second connecting rod to move, the second connecting rod drives the second screening frame to move, the guide rod moves in the support rod, when the second screening frame moves, the poking rod pokes the second filter screen to enable the sand to fall into the third filter screen from the second filter screen, when the poking rod pokes, the pokes the second spring to irregularly vibrate, so that the fine sand which also drives the third filter screen falls into the fine sand recovery groove from the drainage groove, the work is finished, and if the filtering is needed, repeating the steps.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A small household sand fine device comprises a first bottom plate (1), a pair of supports (4) arranged below the first bottom plate (1), a second bottom plate (2) arranged below the pair of supports (4), a pair of supporting legs (6) arranged below the second bottom plate (2), a third bottom plate (3) arranged in the middle of the pair of supporting legs (6), a fine sand recovery tank (5) arranged on the third bottom plate (3), a first screening device (8) arranged on the first bottom plate (1), a knocking device (9) arranged below the first screening device (8), and a second screening device (11) arranged below the knocking device (9); the method is characterized in that: the second screening device (11) comprises a second screening frame (112) arranged on the second bottom plate (2), a pair of supporting rods (113) arranged on the left side and the right side of the second screening frame (112), a guide rod (111) penetrating through the pair of supporting rods (113), a second filter screen (114) and a third filter screen (115) arranged in the second screening frame (112), a transmission device (10) arranged on the left side of the second screening frame (112), and a drainage groove (117) arranged at the lower part of the second screening frame (112); the second filter screen (114) and the third filter screen (115) are connected with a plurality of second springs (116), the guide rod (111) moves left and right in the pair of support rods (113), and the drainage groove (117) is fixedly connected with the second screening frame (112).

2. A compact home sand refinement apparatus as claimed in claim 1 in which: the transmission device (10) comprises an installation rod (11), a third rotating shaft (12) arranged in the installation rod (11), a third bevel gear (13) arranged on the third rotating shaft (12), and a second disc (14) arranged below the third rotating shaft (12); a second connecting rod (15) is hinged at the eccentric position of the bottom of the disc (14); and the second connecting rod (15) is fixedly connected to the right side of the left bracket.

3. A compact home sand refinement apparatus as claimed in claim 1 in which: the knocking device (9) comprises a motor (91) arranged at the upper part of the right side of the left support, a second rotating shaft (92) arranged at the right side of the motor (91), a second bevel gear (95) sleeved outside the second rotating shaft (92), a plurality of first springs (93) arranged on the second rotating shaft (92) and uniformly distributed at intervals, and a plurality of steel balls (94) arranged at the tail ends of the first springs (93); the first springs (93) are respectively connected with the steel balls (94), and the second bevel gear (95) is meshed with the third bevel gear (13).

4. A compact home sand refinement apparatus as claimed in claim 1 in which: the first screening device (8) comprises a first screening frame (81) arranged on the first base plate (1), a first disc (87) arranged on the left side of the first screening frame (81), a first rotating shaft (86) arranged below the first disc (87), a first bevel gear (88) sleeved outside the first rotating shaft (86), limiting plates (89) arranged on the front side and the rear side of the first screening frame (81), a pair of expansion plates (83) arranged in the first screening frame (81), a pair of clamping plates (82) arranged below the pair of expansion plates (83), and a first filter screen (84) arranged below the clamping plates (82); the top eccentric position of the disc (87) is hinged with a first connecting rod (85), and the first connecting rod (85) is fixedly connected with the first screening frame (81); the pair of expansion plates (83) are respectively and fixedly connected to the left side and the right side of the inner wall of the first screening frame (81); the pair of clamping plates (82) are respectively connected with the pair of expansion plates (83), the first bevel gear (88) is meshed with the second bevel gear (95), the steel balls (94) can collide with the first filter screen (84), and the first filter frame (81) is fixedly connected to an opening of the first bottom plate (1).

5. A compact home sand refinement apparatus as claimed in claim 1 in which: the hopper device (7) comprises a hopper (71) arranged at the bottom (1) of the first bottom plate, a pair of vertical plates (71) arranged at the bottom of the hopper (71), a pair of cross rods (72) arranged at the bottoms of the vertical plates (71), and a plurality of shift levers (73) arranged at the bottoms of the cross rods (72); the pair of vertical plates (71) are respectively connected with the left side and the right side of the hopper (71); the pair of cross rods (72) are respectively connected with the pair of vertical plates (71); the bottom of the cross rod (72) is connected with a plurality of shift levers (73) at intervals.