阅读说明：本技术 一种建筑工地用细沙筛选装置 (Building site uses fine sand sieving mechanism ) 是由 田金梅 于 2021-09-02 设计创作，主要内容包括：本发明涉及一种细沙筛选装置,尤其涉及一种建筑工地用细沙筛选装置。本发明要解决的技术问题是提供一种筛选细沙的效率较高且无需消耗较大的人力的建筑工地用细沙筛选装置。为了解决上述技术问题,本发明提供了这样一种建筑工地用细沙筛选装置,包括：底板,其上连接有第一支撑杆；外壳,其连接在第一支撑杆上；转轴,其转动式地连接在外壳上；筛选网,其连接在转轴上。转轴转动带动转板转动,转板转动与第一活动杆接触,第一活动杆向上移动从而将下料管打开,使得未筛选的沙子通过储料框和下料管间隙掉落在筛选网内进行筛选,节省人力,提高筛选效率。(The invention relates to a fine sand screening device, in particular to a fine sand screening device for a construction site. The invention aims to provide a fine sand screening device for a construction site, which has high fine sand screening efficiency and does not need to consume large manpower. In order to solve the above technical problems, the present invention provides a fine sand screening apparatus for a construction site, comprising: a base plate to which a first support bar is connected; a housing connected to the first support bar; a rotating shaft rotatably connected to the housing; and the screening net is connected to the rotating shaft. The pivot rotates and drives the commentaries on classics board and rotate, changes the board and rotates and contact with first movable rod, thereby first movable rod rebound is opened the unloading pipe for the sand that does not filter drops through storage frame and unloading pipe clearance and filters in the screen, uses manpower sparingly, improves screening efficiency.)

1. The utility model provides a fine sand sieving mechanism for building site which characterized in that includes:

the base plate (1) is connected with a first supporting rod (2);

a housing (3) connected to the first support rod (2);

a rotating shaft (4) rotatably connected to the housing (3);

a screening net (5) connected to the rotating shaft (4);

the power mechanism (6) is connected to the shell (3), and the power mechanism (6) is used for driving the screening net (5) to rotate;

and the opening mechanism (7) is connected to the rotating shaft (4), and the opening mechanism (7) is used for pouring out the coarse sand.

2. The fine sand screening device for construction sites according to claim 1, wherein the power mechanism (6) comprises:

a motor (61) mounted on the housing (3);

a first gear (62) connected to an output shaft of the motor (61);

and the second gear (63) is connected to the rotating shaft (4), and the second gear (63) is matched with the first gear (62).

3. A fine sand screening apparatus for construction sites according to claim 1, wherein the opening mechanism (7) comprises:

a buckle (71) which is connected to the rotating shaft (4) in a sliding manner;

a first spring (72) connected between the catch (71) and the rotating shaft (4);

and the movable net (73) is rotatably connected to the rotating shaft (4), and the lower side of the movable net (73) is matched with the buckle (71).

4. The fine sand screening device for the construction site as claimed in claim 1, further comprising a blanking mechanism (8), wherein the blanking mechanism (8) comprises:

a storage frame (81) connected to the housing (3);

a cover plate (82) placed on the storage frame (81);

a grip (83) connected to the cover plate (82);

a rotating plate (84) connected to the rotating shaft (4);

a first movable rod (85) which is connected to the material storage frame (81) in a sliding manner, wherein the first movable rod (85) is matched with the rotating plate (84);

and the discharging pipe (86) is connected to the material storage frame (81) and the rotating shaft (4).

5. The fine sand screening device for the construction site as claimed in claim 4, further comprising a dust prevention mechanism (9), wherein the dust prevention mechanism (9) comprises:

a water storage frame (91) connected to the housing (3);

a water pipe (92) connected to the water storage frame (91);

a support plate (93) connected to the water storage frame (91);

a second movable bar (94) slidably connected to the support plate (93);

a first plate (96) connected to the second movable bar (94), the first plate (96) cooperating with the first movable bar (85);

and a second spring (95) connected between the first movable plate (96) and the support plate (93).

6. The fine sand screening device for the construction site as claimed in claim 1, further comprising a discharging mechanism (10), wherein the discharging mechanism (10) comprises:

a loading frame (101) connected to the housing (3);

a discharge pipe (102) connected to the charging frame (101);

a second support bar (105) connected to the discharge pipe (102);

a second movable plate (104) slidably connected to the second support bar (105);

a baffle (103) connected to the second flap (104);

a third spring (106) connected between the second movable plate (104) and the second support bar (105).

7. The fine sand screening apparatus for construction sites according to claim 6, further comprising a closing mechanism (11), wherein the closing mechanism (11) comprises:

a third support bar (111) connected to the base plate (1);

a third movable plate (112) rotatably connected to the third support rod (111);

a first torsion spring (113) connected between the third movable plate (112) and the third support bar (111);

a fourth support bar (114) connected to the loading frame (101);

a fourth movable plate (115) rotatably connected to the fourth support rod (114), the fourth movable plate (115) cooperating with the third movable plate (112);

a second torsion spring (116) connected between the fourth movable plate (115) and the fourth support bar (114);

the button (117) is arranged on the loading frame (101), the button (117) is matched with the fourth movable plate (115), and the button (117) is used for controlling the motor (61).

8. The fine sand screening apparatus for construction sites according to claim 1, wherein the rotation shaft (4) is provided with a hollow inside.

Technical Field

The invention relates to a fine sand screening device, in particular to a fine sand screening device for a construction site.

Background

The sand is prepared by polishing nature for thousands of years or grinding stones, has fine and soft texture, is widely applied to the building engineering industry, is one of raw materials for civil engineering construction, and is usually required to be screened so as to be applied to different areas and functional requirements.

At present, people need to manually pour sand into a screening net rack by using a shovel continuously, and then the fine sand is screened out by screening the screening net rack, so that the screening of the fine sand needs to consume larger manpower, and the efficiency of screening the fine sand is lower.

Therefore, it is necessary to design a fine sand screening apparatus for a construction site, which has high efficiency of screening fine sand and does not require great manpower consumption.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defect that people need to consume large manpower for screening fine sand at present and the efficiency is low, and the technical problem to be solved is to provide the fine sand screening device for the building site, which has high fine sand screening efficiency and does not need to consume large manpower.

(2) Technical scheme

In order to solve the above technical problems, the present invention provides a fine sand screening apparatus for a construction site, comprising: a base plate to which a first support bar is connected; a housing connected to the first support bar; a rotating shaft rotatably connected to the housing; a screening net connected to the rotating shaft; the power mechanism is connected to the shell and is used for driving the screening net to rotate; and the opening mechanism is connected to the rotating shaft and is used for pouring out the coarse sand.

Preferably, the power mechanism comprises: a motor mounted on the housing; a first gear connected to the motor output shaft; and the second gear is connected to the rotating shaft and matched with the first gear.

Preferably, the opening mechanism comprises: the buckle is connected to the rotating shaft in a sliding manner; the first spring is connected between the buckle and the rotating shaft; the movable net is connected to the rotating shaft in a rotating mode, and the lower side of the movable net is matched with the buckle.

Preferably, still including unloading mechanism, unloading mechanism includes: a storage frame connected to the housing; the cover plate is placed on the material storage frame; a handle connected to the cover plate; the rotating plate is connected to the rotating shaft; the first movable rod is connected to the material storage frame in a sliding mode and matched with the rotating plate; and the discharging pipe is connected to the storage frame and the rotating shaft.

Preferably, also include dustproof mechanism, dustproof mechanism includes: the water storage frame is connected to the shell; the water pipe is connected to the water storage frame; the supporting plate is connected to the water storage frame; a second movable bar slidably coupled to the support plate; the first movable plate is connected to the second movable rod and matched with the first movable rod; and the second spring is connected between the first movable plate and the support plate.

Preferably, also include discharge mechanism, discharge mechanism includes: a loading frame connected to the housing; the discharge pipe is connected to the charging frame; the second supporting rod is connected to the discharge pipe; the second movable plate is connected to the second supporting rod in a sliding mode; a baffle plate connected to the second movable plate; and the third spring is connected between the second movable plate and the second supporting rod.

Preferably, a closing mechanism is further included, the closing mechanism including: the third supporting rod is connected to the bottom plate; a third movable plate rotatably connected to the third support rod; the first torsion spring is connected between the third movable plate and the third supporting rod; the fourth supporting rod is connected to the loading frame; the fourth movable plate is rotatably connected to the fourth supporting rod and matched with the third movable plate; the second torsion spring is connected between the fourth movable plate and the fourth supporting rod; the button is arranged on the charging frame and matched with the fourth movable plate, and the button is used for controlling the motor.

Preferably, the rotating shaft is arranged in a hollow manner.

(3) Advantageous effects

1. The pivot rotates and drives the commentaries on classics board and rotate, changes the board and rotates and contact with first movable rod, thereby first movable rod rebound is opened the unloading pipe for the sand that does not filter drops through storage frame and unloading pipe clearance and filters in the screen, uses manpower sparingly, improves screening efficiency.

2. First movable rod rebound and the contact of first fly leaf for first fly leaf rebound, first fly leaf rebound drive second movable rod rebound, thereby the second movable rod rebound opens the water pipe, makes the water in the water storage frame flow through the water pipe, thereby the dust of production when reducing the screening gives people a better fine sand screening environment.

3. The third fly leaf rotates along the third bracing piece and contacts with the fourth fly leaf for the fourth fly leaf rotates along the fourth bracing piece, and the fourth bracing piece rotates and the button contact, and the button is used for the control motor, makes the motor stall, thereby makes people stop screening sand when using the shallow dress fine sand, gives people a better fine sand screening environment.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic perspective view of the power mechanism according to the present invention.

Fig. 4 is a schematic perspective view of the opening mechanism of the present invention.

Fig. 5 is a schematic structural view of a first partial body of the blanking mechanism of the invention.

Fig. 6 is a schematic structural view of a second partial body of the blanking mechanism of the invention.

Fig. 7 is a schematic structural view of a first partial body of the dustproof mechanism of the present invention.

Fig. 8 is a schematic structural view of a second partial body of the dustproof mechanism of the present invention.

Fig. 9 is a schematic structural view of a first partial body of the discharging mechanism of the invention.

Fig. 10 is a schematic perspective view of a second part of the discharging mechanism of the present invention.

Fig. 11 is a schematic perspective view of the closing mechanism of the present invention.

The labels in the figures are: 1-a bottom plate, 2-a first support bar, 3-a housing, 4-a rotating shaft, 5-a screening net, 6-a power mechanism, 61-a motor, 62-a first gear, 63-a second gear, 7-an opening mechanism, 71-a buckle, 72-a first spring, 73-a movable net, 8-a blanking mechanism, 81-a stock frame, 82-a cover plate, 83-a handle, 84-a rotating plate, 85-a first movable bar, 86-a blanking tube, 9-a dustproof mechanism, 91-a water storage frame, 92-a water tube, 93-a support plate, 94-a second movable bar, 95-a second spring, 96-a first movable plate, 10-a discharging mechanism, 101-a loading frame, 102-a discharging tube, 103-a baffle plate, 104-a second movable plate, 105-second support bar, 106-third spring, 11-closing mechanism, 111-third support bar, 112-third movable plate, 113-first torsion spring, 114-fourth support bar, 115-fourth movable plate, 116-second torsion spring, 117-button.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

The utility model provides a fine sand sieving mechanism for building site, as shown in fig. 1-4, including bottom plate 1, first bracing piece 2, shell 3, pivot 4, screening net 5, power unit 6 and opening mechanism 7, both sides all are connected with first bracing piece 2 around the bottom plate 1 upper portion left and right sides, first bracing piece 2 upper portion is connected with shell 3, the equal rotary type in the inside left and right sides of shell 3 is connected with pivot 4, be connected with screening net 5 between the 4 middle parts of pivot of the left and right sides, shell 3 left side is connected with power unit 6, be connected with opening mechanism 7 between the pivot 4 of the left and right sides.

The power mechanism 6 comprises a motor 61, a first gear 62 and a second gear 63, the motor 61 is installed at the lower part of the left side of the shell 3, the first gear 62 is connected to an output shaft of the motor 61, the second gear 63 is connected to the middle part of the rotating shaft 4 at the left side, and the second gear 63 is matched with the first gear 62.

The opening mechanism 7 comprises a buckle 71, a first spring 72 and a movable net 73, the front parts of the outer sides of the rotating shafts 4 on the left side and the right side are connected with the buckle 71 in a sliding mode, the first spring 72 is connected between the buckle 71 and the adjacent rotating shaft 4, the movable net 73 is connected between the front parts of the inner sides of the rotating shafts 4 on the left side and the right side in a rotating mode, and the lower side of the movable net 73 is matched with the buckle 71.

When people need to screen fine sand, firstly, manually pushing the cart in the middle of the lower side of the screening net 5, then manually pouring sand into the screening net 5 through the right rotating shaft 4, then manually starting the motor 61, driving the first gear 62 to rotate and be meshed with the second gear 63 by the rotation of the output shaft of the motor 61, driving the rotating shaft 4 to rotate by the rotation of the second gear 63, driving the screening net 5 to rotate by the rotation of the rotating shaft 4, screening the sand in the screening net 5 by the rotation of the screening net 5, dropping the fine sand from the screening net 5 onto the cart, filtering the coarse sand in the screening net 5, when people need to take out the coarse sand in the screening net 5, manually grabbing the buckle 71 to move outwards to separate the buckle 71 from limiting the movable net 73, compressing the first spring 72, then rotating the movable net 73 to open the screening net 5, and then taking out the coarse sand in the screening net 5, after coarse sand is taken out, the movable net 73 is manually rotated to close the screening net 5, then the buckle 71 is loosened, the buckle 71 is reset through the reset force of the first spring 72, the movable net 73 is continuously clamped, and after fine sand is screened, the motor 61 is manually closed.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 5 and 6, still including unloading mechanism 8, unloading mechanism 8 is including storage frame 81, the apron 82, the handle 83, change board 84, first movable rod 85 and unloading pipe 86, shell 3 upper portion intermediate junction has storage frame 81, apron 82 has been placed on storage frame 81 upper portion, the intermediate junction of the upper portion front side of apron 82 has handle 83, the pivot 4 lower part outside all is connected with changes board 84, the equal sliding connection of the middle part left and right sides of storage frame 81 has first movable rod 85, first movable rod 85 and change board 84 cooperation, all be connected with unloading pipe 86 between the storage frame 81 left and right sides and the adjacent pivot 4.

When people need to pour sand into the screening net 5, the user manually grasps the handle 83 to move upwards, the handle 83 moves upwards to drive the cover plate 82 to move upwards, the cover plate 82 moves upwards to open the storage frame 81, then manually pours the sand into the storage frame 81, then grasps the handle 83 to move downwards, the handle 83 moves downwards to drive the cover plate 82 to move downwards, the cover plate 82 moves downwards to close the storage frame 81, the rotating shaft 4 rotates to drive the rotating plate 84 to rotate, the rotating plate 84 rotates to be in contact with the first movable rod 85, the first movable rod 85 moves upwards to open the discharging pipe 86, the rotating shaft 4 is hollow, so the sand in the storage frame 81 falls into the rotating shaft 4 through the discharging pipe 86 and then falls into the screening net 5 through the rotating shaft 4, and when the rotating shaft 4 continues to rotate, the rotating plate 84 rotates to be separated from the contact with the first movable rod 85, the first movable rod 85 moves downward by gravity to close the discharging pipe 86, and then stops discharging, and the gap discharging effect is achieved by the up-and-down movement of the first movable rod 85.

Example 3

On the basis of embodiment 2, as shown in fig. 1, fig. 7 and fig. 8, the dust-proof device further comprises a dust-proof mechanism 9, the dust-proof mechanism 9 comprises a water storage frame 91, a water pipe 92, a supporting plate 93, a second movable rod 94, a second spring 95 and a first movable plate 96, the front side and the rear side of the middle portion of the housing 3 are both connected with the water storage frame 91, the bottom of the water storage frame 91 is connected with the water pipe 92, the left side and the right side of the upper portion of the water storage frame 91 are both connected with the supporting plate 93, the middle portion of the supporting plate 93 is both slidably connected with the second movable rod 94, the middle portion of the second movable rod 94 is both connected with the first movable plate 96, the first movable plate 96 is matched with the first movable rod 85, and the second spring 95 is connected between the upper portion of the first movable plate 96 and the supporting plate 93.

When people need to reduce dust generated during screening, water is manually filled in the water storage frame 91, when the first movable rod 85 moves upwards, the first movable rod 85 can be in contact with the first movable plate 96, the first movable plate 96 moves upwards to drive the second movable rod 94 to move upwards and compress the second spring 95, the second movable rod 94 moves upwards to open the water storage frame 91, water in the water storage frame 91 is reserved in the water pipe 92, water in the water pipe 92 flows out to achieve the effect of reducing dust generated during screening, when the first movable rod 85 moves downwards to be separated from the first movable plate 96, the first movable plate 96 is driven to reset downwards by the resetting force of the second spring 95, the first movable plate 96 resets downwards to drive the second movable rod 94 to reset downwards, and the second movable rod 94 resets downwards to close the water storage frame 91, so that the effect of spraying water in the water gap is achieved.

Example 4

On the basis of embodiment 3, as shown in fig. 1, 9, 10 and 11, the discharging device further includes a discharging mechanism 10, the discharging mechanism 10 includes a charging frame 101, a discharging pipe 102, a baffle 103, a second movable plate 104, a second supporting rod 105 and a third spring 106, the charging frame 101 is connected between the left and right sides of the lower portion of the housing 3, the discharging pipe 102 is connected to the left and right sides of the bottom of the charging frame 101, the second supporting rod 105 is connected to the middle portion of the rear side of the discharging pipe 102, the second movable plate 104 is connected to the middle portion of the second supporting rod 105 in a sliding manner, the baffle 103 is connected to the front side of the second movable plate 104, and the third spring 106 is connected between the rear side of the lower portion of the front side of the second movable plate 104 and the second supporting rod 105.

When people need to take out screened sand, the screened fine sand can fall into the charging frame 101, then the cart is manually pushed to the lower side of the charging frame 101, the cart is in contact with the second movable plate 104, the second movable plate 104 moves backwards to drive the baffle plate 103 to move backwards and compress the third spring 106, the baffle plate 103 moves backwards to open the discharging pipe 102, then the fine sand can fall into the discharging pipe 102 through the charging frame 101 and then fall into the cart, so that the discharging effect is achieved, when people push the cart, the cart is separated from the second movable plate 104 in contact, the second movable plate 104 resets through the resetting force of the third spring 106, the second movable plate 104 resets to drive the baffle plate 103 to reset, the baffle plate 103 resets to close the discharging pipe 102, and further, the fine sand is prevented from continuously falling when the fine sand does not need to be collected.

Also comprises a closing mechanism 11, the closing mechanism 11 comprises a third supporting rod 111, a third movable plate 112 and a first torsion spring 113, the charging frame comprises a fourth supporting rod 114, a fourth movable plate 115, a second torsion spring 116 and a button 117, the third supporting rod 111 is connected to the middle of the left side of the upper portion of the bottom plate 1, the third movable plate 112 is rotatably connected to the middle of the upper portion of the third supporting rod 111, the first torsion spring 113 is connected between the middle of the front side of the third movable plate 112 and the third supporting rod 111, the fourth supporting rod 114 is connected to the left side of the bottom of the charging frame 101, the fourth movable plate 115 is rotatably connected to the middle of the left side of the fourth supporting rod 114, the fourth movable plate 115 is matched with the third movable plate 112, the second torsion spring 116 is connected between the middle of the fourth movable plate 115 and the fourth supporting rod 114, the button 117 is arranged in the middle of the left side of the charging frame 101, the button 117 is matched with the fourth movable plate 115, and the button 117 is used for controlling the motor 61.

When people push the cart at the lower side of the loading frame 101, the cart is in contact with the third movable plate 112, the third movable plate 112 rotates clockwise along the third support rod 111 to compress the first torsion spring 113 and contact the fourth movable plate 115, the fourth movable plate 115 rotates clockwise along the fourth support rod 114 to compress the second torsion spring 116 and contact the button 117, the button 117 sends a signal to turn off the motor 61, so that the operation of the device is stopped when people use the cart to load fine sand, the generation of dust during fine sand loading is reduced, when people push the cart, the third movable plate 112 is driven to reset by the reset force of the first torsion spring 113 and is separated from the contact with the fourth movable plate 115, then the second torsion spring 116 is reset to drive the fourth movable plate 115 to reset and is separated from the contact with the button 117, and then the motor 61 can be manually started again to screen the fine sand.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the invention, and all such changes, modifications and substitutions fall within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.