Screening sand device for construction
The utility model relates to a sand screening device, in particular to a sand screening device for building construction.
When people construct houses, construct roads, build bridges and the like, sand is used, the sand contains a plurality of impurities and the like, and screening is usually needed in order not to influence the construction.
At present, the traditional sand screening mode mainly comprises that sand is manually and repeatedly raised to a screen mesh, screening work is carried out through the screen mesh, however, manual long-time repeated operation is carried out, physical consumption is large, screening speed is low, working efficiency is low, sand cannot be uniformly screened, and repeated screening is needed.
Therefore, a sand screening device for building construction needs to be designed, which has a high screening speed and can uniformly screen sand.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
The utility model aims to overcome the defects that the traditional sand screening mode is large in physical consumption, low in screening speed and incapable of screening sand uniformly, and the technical problem to be solved is to provide the sand screening device for building construction, which is high in screening speed and capable of screening sand uniformly.
(2) Technical scheme
In order to solve the above technical problems, the present invention provides a sand screening device for building construction, comprising: the supporting frame is connected with a first supporting plate; the connecting rods are connected between the first supporting plate and the supporting frame in a sliding mode, the two connecting rods on one side are shorter, and the two connecting rods on the other side are longer; the connecting rods are connected with the fixing plates; the screening frame is connected between the fixing plates, and the angle of the screening frame is a slope; the springs are wound between the fixing plate and the first supporting plate; the screening frame is connected with a material blocking assembly for preventing splashing; the support frame is connected with a shaking component for shaking and screening.
Preferably, the dam assembly includes: the screening frame is connected with a material blocking frame, and a material inlet is formed in the material blocking frame; the first support column is connected to the material blocking frame; the first support column is rotatably connected with a first rolling shaft; the baffle is connected between the first rollers.
Preferably, the dithering assembly includes: the support frame is connected with a second support plate; the servo motor is arranged on the second supporting plate; the second supporting column is connected to the second supporting plate; the second supporting column is rotatably connected with a second rolling shaft, and the second rolling shaft is connected with an output shaft of the motor; the cam is connected to the second rolling shaft; the contact plate, the contact plate is connected on the screening frame, and the cam cooperates with the contact plate.
Preferably, a filter screen for screening is connected in the screening frame.
Preferably, the screening frame is provided with a discharge hole for taking out sand conveniently.
Preferably, a handle for opening is connected to the baffle.
(3) Advantageous effects
1. The sand screening device comprises a support frame, a connecting rod, a screening frame, a spring and a shaking assembly, wherein the support frame is connected with the screening frame through the connecting rod, the spring is connected with the shaking assembly through the connecting rod, and the shaking assembly is connected with the screening frame through the connecting rod.
2. The material blocking assembly disclosed by the utility model is used for blanking sand and blocking the sand in the screening process, so that the sand is prevented from splashing everywhere when shaking.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a first embodiment of the present invention.
Fig. 3 is a schematic perspective view of a second embodiment of the present invention.
Fig. 4 is a schematic perspective view of a third embodiment of the present invention.
The labels in the figures are: 1-support frame, 2-first support plate, 3-connecting rod, 4-fixing plate, 5-screening frame, 6-spring, 7-material blocking frame, 8-first support column, 9-first roller, 10-baffle, 11-second support plate, 12-servo motor, 13-second support column, 14-second roller, 15-cam and 16-contact plate.
The utility model is further described below with reference to the figures and examples.
A sand screening device for building construction is disclosed, as shown in figures 1-4, comprising a support frame 1, a first support plate 2, connecting rods 3, a fixed plate 4, a screening frame 5, springs 6, a material blocking component and a shaking component, wherein the left side and the right side of the support frame 1 are symmetrically connected with the first support plate 2 in a front-back manner, the connecting rods 3 are connected between the middle part of the first support plate 2 and the support frame 1 in a sliding manner, the two connecting rods 3 on the left side are shorter, the two connecting rods 3 on the right side are longer, the fixed plate 4 is connected on the upper side of the connecting rods 3, the screening frame 5 is connected between the inner sides of the fixed plate 4, a filtering net for screening is connected in the screening frame 5, the angle of the screening frame 5 is a slope, a discharge port convenient for taking out sand is arranged on the left side of the screening frame 5, the springs 6 are wound between the fixed plate 4 and the first support plate 2, and the material blocking component for preventing splashing is connected on the screening frame 5, the support frame 1 is connected with a shaking component for shaking and screening.
Keep off the material subassembly including keeping off material frame 7, first support column 8, first roller bearing 9 and baffle 10, 5 tops of screening frame are connected with and keep off material frame 7, keep off material 7 upside middle parts and open and have the feed inlet, keep off material 7 front sides bilateral symmetry and have first support column 8, 8 middle parts rotary type of first support column are connected with first roller bearing 9, are connected with baffle 10 between the 9 rear portion left and right sides of first roller bearing, and baffle 10 upside rear portion is connected with the handle of being convenient for to open.
The shaking component comprises a second supporting plate 11, a servo motor 12, a second supporting column 13, a second rolling shaft 14, a cam 15 and a contact plate 16, the second supporting plate 11 is connected above the front portion of the right side of the supporting frame 1, the servo motor 12 is installed on the upper portion of the second supporting plate 11, the second supporting column 13 is connected on the upper portion of the rear side of the second supporting plate 11, the second rolling shaft 14 is connected in a rotary mode on the upper portion of the rear side of the second supporting column 13, the second rolling shaft 14 is connected with an output shaft of the motor, the cam 15 is connected to the rear portion of the second rolling shaft 14, the contact plate 16 is connected to the middle portion of the right side of the screening frame 5, and the cam 15 is matched with the contact plate 16.
When sand needs to be screened in building construction, firstly, the baffle plate 10 moves upwards to be opened manually, sand needing to be screened is poured into the material blocking frame 7 and the screening frame 5, the baffle plate 10 moves downwards to be closed, the container containing fine sand is placed under the screening frame 5, the container containing coarse sand and partial impurities is placed under the screening frame 5, a small part of sand is screened firstly under pressure during pouring, and falls into the container, then the servo motor 12 is started, the output shaft of the servo motor 12 rotates to drive the roller to rotate, so that the cam 15 is driven to rotate to be in contact with the contact plate 16, the contact plate 16 moves upwards, the screening frame 5, the fixed plate 4, the connecting rod 3, the material blocking frame 7 and the baffle plate 10 move upwards, the spring 6 is stretched, and when the cam 15 rotates to be separated from the contact plate 16, the screening frame 5, the fixed plate 4 and the connecting rod 3 move upwards, Keep off material frame 7 and baffle 10 and reset under the effect of spring 6 downstream, so repeatedly, make screen frame 5 shake, thereby screening the sand that keeps off in material frame 7 and the screen frame 5, on the way in the shake screening simultaneously, fine sand falls to placing in the container under screen frame 5, coarse sand and partial impurity fall to placing in the container under screen frame 5 left side, after the sand has been screened, close the motor, again with the coarse sand after screening in the container and partial impurity pour out, again with fine sand pour out can.
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 utility model, and all such changes, modifications and substitutions fall within the scope of the utility model. Therefore, the protection scope of the present patent shall be subject to the appended claims.