CN212596972U

CN212596972U - Screening sand device for construction

Info

Publication number: CN212596972U
Application number: CN202020712099.9U
Authority: CN
Inventors: 张朔
Original assignee: Individual
Current assignee: Hubei Houheng Construction Engineering Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-02-26
Anticipated expiration: 2030-04-30

Abstract

The utility model provides a screening sand device for construction relates to construction technical field. This screening sand device for construction, including the screening case, the inside of screening case is hollow structure, and the last fixed surface of screening case is connected with and the income hopper of inside intercommunication, and the inside of screening case is provided with the installing frame, and two peg graft poles of the equal fixedly connected with in side about the installing frame, the below of installing frame are provided with rotates the frame, and the inside of rotating the frame is fixed to be pegged graft and is had the screen cloth, and it is articulated with the right-hand member of installing frame to rotate the frame right-hand member, and the one end that four peg graft poles kept away from each other slides respectively and runs through the side inner wall about the screening case. This screening sand device for construction through setting up extrusion spring, joint pole and vertical spring, has reached the effect that makes impurity on the screen cloth slide down when the left end that rotates the frame rotates downwards, and the impurity of having solved the screening accumulates more and more on the screen cloth, and the clearance of being not convenient for is blockked up the efficiency of screening to the screen cloth, has reduced the problem of screening.

Description

Screening sand device for construction

Technical Field

The utility model relates to a construction technical field specifically is a screening sand device for construction.

Background

With the rapid development of economy and the continuous progress of social science and technology in China, the construction sites are more in China at present, sand is an essential technical raw material in the construction sites, and the sand is used for wall building and other processes on the construction sites.

There are various impurity in the sand, need use the screening sand device to sieve sand to the sand, and present screening plant is generally all sieved inside the device in order to prevent dust, pours quantitative sand into at every turn, and the impurity of screening accumulates more and more on the screen cloth, and the clearance of being not convenient for is blockked up the efficiency of screening to the going on of screen cloth, has reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a screening sand device for construction, the impurity of having solved the screening accumulates more and more on the screen cloth, is not convenient for clear up, to the jam of screen cloth, has reduced the problem of the efficiency of screening.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a screening sand device for construction, including the screening case, the inside of screening case is hollow structure, the last fixed surface of screening case is connected with the income hopper of inside intercommunication, the inside of screening case is provided with the installing frame, two peg graft poles of the equal fixedly connected with in side about the installing frame, the below of installing frame is provided with rotates the frame, the inside of rotating the frame is fixed to be pegged graft there is the screen cloth, it is articulated with the right-hand member of installing frame to rotate the frame right-hand member, the one end that four peg graft poles kept away from each other slides respectively and runs through the side inner wall about the screening case, the right-hand member face of two peg poles that are located the right side passes through connecting rod fixed connection, the right side fixed connection of screening case has the motor, the output fixedly connected with eccentric wheel of motor, the last fixed surface of connecting rod is connected.

The front back surface of the rotating frame is provided with mounting grooves, sliders are inserted into the two mounting grooves in a sliding manner, the left side surfaces of the two sliders are fixedly connected with the inner walls of the left sides of the two mounting grooves through transverse springs respectively, the bottom surface of the mounting frame is positioned on the front side and the back side of the rotating frame and is fixedly connected with vertical rods, moving blocks are sleeved on the outer surfaces of the two vertical rods in a sliding manner, the bottom surfaces of the two moving blocks and the bottom surfaces of the two vertical rods are fixedly connected through vertical springs, short shafts are inserted into the surfaces of the two sliders far away from each other in a rotating manner, the surfaces of the two short shafts far away from each other are respectively inserted into the surfaces of the two moving blocks close to each other in a rotating manner, positioning rods are fixedly connected to the front back surface of the rotating frame, the two positioning rods are respectively positioned on the, the equal fixedly connected with extrusion spring of right-hand member of two joint poles, the equal fixedly connected with plate washer of right-hand member of two extrusion springs, the last performance of two plate washers all with the bottom surface fixed connection of installing frame, the bottom surface fixedly connected with of screening case goes out the hopper, the fixed cover of surface of screening case has connect the support frame.

Preferably, the left end face of the rotating frame is fixedly connected with a guide plate, and the left end of the guide plate penetrates through the inner wall of the left side of the screening box in a sliding mode.

Preferably, the upper surface of the rotating frame is fixedly connected with two limiting plates, and the two limiting plates are slidably inserted into the mounting frame.

Preferably, the inner walls of the left side and the right side of the two mounting grooves are fixedly connected through two limiting rods, the two transverse springs are respectively sleeved on the outer surfaces of the two limiting rods, and the two sliding blocks are respectively sleeved on the outer surfaces of the two limiting rods in a sliding manner.

Preferably, the transmission rod is perpendicular to the connecting rod, and the transmission rod is eccentrically arranged with the output end of the motor.

Preferably, the two clamping rods are arranged in parallel, and the left ends of the two clamping rods are both conical.

(III) advantageous effects

The utility model provides a screening sand device for construction. The method has the following beneficial effects:

1. this screening sand device for construction, through setting up the extrusion spring, the joint pole, horizontal spring, and vertical spring, impurity on the screen cloth increases when the certain degree along with time, it drives the locating lever downstream to rotate the frame, the in-process of locating lever downstream makes the joint pole remove right, thereby make the extrusion spring compress, the locating lever removes the below of joint pole, thereby rotate the frame, the minor axis rotates when the slider compresses horizontal spring left, then drive the vertical spring of movable block downstream through the minor axis, the effect that makes impurity on the screen cloth slide down when having reached the left end of rotating the frame and rotating downwards, the impurity of having solved the screening accumulates more and more on the screen cloth, be not convenient for clear up, block up the screen cloth, the problem of the efficiency of screening has been reduced.

2. This screening sand device for construction, through setting up limiting plate and guide plate, in-process when rotating the downward pivoted of frame, the installing frame no longer carries out the shutoff to the impurity of screen cloth upper surface, limiting plate and guide plate play the direction that the restriction flows to the impurity on the screen cloth, reached impurity can not drop the screen cloth below and the effect that the fine sand of screening mixes, solved the impurity on the screen cloth and dropped the below of screen cloth and the problem that the fine sand of screening caused the not conform to the condition with the sieve mixture of screening.

Drawings

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

FIG. 2 is a schematic view of the connection between the connecting rod and the transmission rod of the present invention;

FIG. 3 is a schematic view of the connection between the rotating frame and the mounting frame of the present invention;

FIG. 4 is a schematic view of the connection between the mounting groove and the sliding block of the present invention;

FIG. 5 is an enlarged structural view of the structure at the position A in FIG. 4 according to the present invention

The screening box comprises a screening box 1, a mounting frame 2, a rotating frame 3, a screen 4, a splicing rod 5, a motor 6, a connecting rod 7, a transmission rod 8, an eccentric wheel 9, a mounting groove 10, a transverse spring 11, a sliding block 12, a vertical rod 13, a moving block 14, a positioning rod 15, a fixing plate 16, a clamping rod 17, a baffle plate 18, a discharge hopper 19, an extrusion spring 20, a support frame 21, a guide plate 22, a limiting plate 23, a limiting rod 24, a feed hopper 25, a vertical spring 26 and a short shaft 27.

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.

The embodiment of the utility model provides a sand screening device for building construction, as shown in figures 1-5, comprising a screening box 1, the interior of the screening box 1 is hollow structure, the upper surface of the screening box 1 is fixedly connected with a feeding hopper 25 communicated with the interior, the interior of the screening box 1 is provided with an installation frame 2, the left and right sides of the installation frame 2 are both fixedly connected with two insertion rods 5, the lower part of the installation frame 2 is provided with a rotating frame 3, the left end surface of the rotating frame 3 is fixedly connected with a guide plate 22, the left end of the guide plate 22 slides to penetrate through the left inner wall of the screening box 1, the interior of the rotating frame 3 is fixedly inserted with a screen 4, the upper surface of the rotating frame 3 is fixedly connected with two limiting plates 23, the two limiting plates 23 are both slide and inserted in the interior of the installation frame 2, the guide plate 22 and the limiting plates 23 are arranged to prevent impurities on the screen 4 from falling to the lower part of the screen 4 from the side, the right end, the one end that four peg graft poles 5 kept away from each other slides respectively and runs through the left and right sides inner wall of screening case 1, the right-hand member face that is located two peg graft poles 5 on right side passes through connecting rod 7 fixed connection, the right flank fixedly connected with motor 6 of screening case 1, motor 6's output fixedly connected with eccentric wheel 9, the last fixed surface of connecting rod 7 is connected with transfer line 8, transfer line 8 sets up with connecting rod 7 is perpendicular, transfer line 8 and motor 6's output eccentric settings, the bottom surface that runs through eccentric wheel 9 is rotated to transfer line 8's upper end, eccentric wheel 9 carries out the pivoted in-process and drives connecting rod 7 through transfer line 8 and controls.

The front back surface of the rotating frame 3 is provided with mounting grooves 10, sliders 12 are inserted into the two mounting grooves 10 in a sliding manner, the left side surfaces of the two sliders 12 are fixedly connected with the left side inner walls of the two mounting grooves 10 through transverse springs 11, the left side inner walls and the right side inner walls of the two mounting grooves 10 are fixedly connected through two limiting rods 24, the two transverse springs 11 are respectively sleeved on the outer surfaces of the two limiting rods 24, the two sliders 12 are respectively sleeved on the outer surfaces of the two limiting rods 24 in a sliding manner, the limiting rods 24 are arranged to improve the stability of the sliders 12 in sliding, meanwhile, the transverse springs 11 are prevented from bending in compression, the bottom surface of the mounting frame 2 is fixedly connected with vertical rods 13 at the front side and the rear side of the rotating frame 3, the outer surfaces of the two vertical rods 13 are respectively sleeved with moving blocks 14 in a sliding manner, and the, the transverse spring 11 and the vertical spring 26 are both in a compressed state, one side of each of the two sliders 12, which is far away from each other, is rotatably inserted with a short shaft 27, one side of each of the two short shafts 27, which is far away from each other, is rotatably inserted with one side of each of the two moving blocks 14, the front back of the rotating frame 3 is fixedly connected with positioning rods 15, the two positioning rods 15 are respectively positioned at the left sides of the two mounting grooves 10, the bottom surface of the mounting frame 2, which is positioned at the left and right sides of the two positioning rods 15, is fixedly connected with a fixing plate 16, the two fixing plates 16 positioned at the left side are slidably penetrated with clamping rods 17, which are arranged in parallel, the left ends of the two clamping rods 17 are both in a conical shape, the right ends of the two clamping rods 17 are fixedly connected with an extrusion spring 20, the clamping rods 17 and the extrusion spring 20 are arranged to prevent impurities on the screen 4 from, the spring coefficient of horizontal spring 11 and vertical spring 26 is greater than the spring coefficient of extrusion spring 20, when rotating frame 3 upwards rotates after impurity has fallen on screen cloth 4, can be joint pole 17 recompression extrusion spring 20, make locating lever 15 remove the top of joint pole 17, the equal fixedly connected with link plate 18 of right-hand member of two extrusion springs 20, the last performance of two link plates 18 all with the bottom surface fixed connection of installing frame 2, the bottom surface fixedly connected with play hopper 19 of screening case 1, the external fixed surface of screening case 1 has cup jointed support frame 21.

The working principle is that when sand is screened, quantitative sand is poured in each time, the sand is poured in from a feeding hopper 25 and falls above a screen 4, a motor 6 is started to drive an eccentric wheel 9 to rotate, the eccentric wheel 9 drives a transmission rod 8 to rotate so as to enable a connecting rod 7 to move left and right, then an insertion rod 5 drives an installation frame 2 to move left and right, so that the sand is screened, when impurities on the screen 4 increase to a certain degree along with time, the rotating frame 3 drives a positioning rod 15 to move downwards, the clamping rod 17 moves right in the downward movement process of the positioning rod 15, so that an extrusion spring 20 is compressed, the positioning rod 15 moves below the clamping rod 17, so that the rotating frame 3 rotates, a sliding block 12 compresses a transverse spring 11 leftwards, a short shaft 27 rotates, and then a moving block 14 is driven by the short shaft 27 to compress a vertical spring 26 downwards, when the left end of the rotating frame 3 is rotated downward, the impurities on the screen 4 are slid down.

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

1. The utility model provides a screening sand device for construction, includes screening case (1), its characterized in that: the screening box (1) is of a hollow structure, the upper surface of the screening box (1) is fixedly connected with a feeding hopper (25) communicated with the inside, the inside of the screening box (1) is provided with an installation frame (2), the left side surface and the right side surface of the installation frame (2) are both fixedly connected with two insertion rods (5), a rotating frame (3) is arranged below the installation frame (2), a screen (4) is fixedly inserted in the rotating frame (3), the right end of the rotating frame (3) is hinged with the right end of the installation frame (2), one ends of the four insertion rods (5) far away from each other respectively slide and penetrate through the inner walls of the left side and the right side surfaces of the screening box (1), the right end surfaces of the two insertion rods (5) on the right side surface are fixedly connected through a connecting rod (7), the right side surface of the screening box (1) is fixedly connected with a motor (6), the output end of the motor (6, the upper surface of the connecting rod (7) is fixedly connected with a transmission rod (8), and the upper end of the transmission rod (8) rotatably penetrates through the bottom surface of the eccentric wheel (9);

the front back surface of the rotating frame (3) is provided with mounting grooves (10), the insides of the two mounting grooves (10) are respectively inserted with a sliding block (12) in a sliding way, the left side surfaces of the two sliding blocks (12) are respectively fixedly connected with the left inner walls of the two mounting grooves (10) through transverse springs (11), the front side and the back side of the rotating frame (3) on the bottom surface of the mounting frame (2) are respectively fixedly connected with vertical rods (13), the outer surfaces of the two vertical rods (13) are respectively sleeved with a moving block (14) in a sliding way, the bottom surfaces of the two moving blocks (14) are respectively fixedly connected with the bottom surfaces of the two vertical rods (13) through vertical springs (26), the surfaces far away from each other of the two sliding blocks (12) are respectively inserted with a short shaft (27) in a rotating way, the surfaces far away from each other of the two short shafts (27) are respectively inserted and connected with the, two locating levers (15) are located the left side of two mounting grooves (10) respectively, installing frame (2) bottom surface is located equal fixedly connected with fixed plate (16) in the left and right sides of two locating levers (15), it has joint pole (17) to be located equal slip of two left fixed plate (16), the equal fixedly connected with extrusion spring (20) of right-hand member of two joint poles (17), the equal fixedly connected with link plate (18) of right-hand member of two extrusion spring (20), the last surface fixed connection of equal and installing frame (2) of present of two link plate (18), the bottom surface fixedly connected with play hopper (19) of screening case (1), the external fixation of screening case (1) has cup jointed support frame (21).

2. The sand screening device for building construction according to claim 1, wherein: the left end face of the rotating frame (3) is fixedly connected with a guide plate (22), and the left end of the guide plate (22) penetrates through the inner wall of the left side of the screening box (1) in a sliding mode.

3. The sand screening device for building construction according to claim 1, wherein: the upper surface of the rotating frame (3) is fixedly connected with two limiting plates (23), and the two limiting plates (23) are all slidably inserted into the mounting frame (2).

4. The sand screening device for building construction according to claim 1, wherein: the inner walls of the left side and the right side of the two mounting grooves (10) are fixedly connected through two limiting rods (24), the two transverse springs (11) are respectively sleeved on the outer surfaces of the two limiting rods (24), and the two sliding blocks (12) are respectively sleeved on the outer surfaces of the two limiting rods (24) in a sliding manner.

5. The sand screening device for building construction according to claim 1, wherein: the transmission rod (8) is perpendicular to the connecting rod (7), and the transmission rod (8) and the output end of the motor (6) are eccentrically arranged.

6. The sand screening device for building construction according to claim 1, wherein: the two clamping rods (17) are arranged in parallel, and the left ends of the two clamping rods (17) are both conical.