A sand and stone separation device for house construction

Abstract

The present application provides a sand and gravel separation device for house construction, which is used to solve the technical problem that the filter assembly of the sand and gravel separation device in the prior art is easy to clog and difficult to clean. It includes a separation box, and N separation shafts arranged in parallel with each other in the separation box, and the N separation shafts are arranged in the middle of the separation box in the vertical direction along the length direction of the separation box; a collection and cleaning assembly for collecting the separated gravel and cleaning the gravel between adjacent separation shafts is also arranged between the side walls of the separation box, and a cleaning assembly for cleaning the sand attached to the separation shaft is also arranged between the side walls of the separation box. The present application separates the sand and gravel by setting a number of separation shafts, and collects the separated gravel and cleans the gravel between adjacent separation shafts by setting a rotating collection and cleaning assembly, which solves the technical problem that the sand and gravel separation device in the prior art is easy to clog and difficult to clean, and reduces the maintenance cost and maintenance time of the equipment.

Description

Technical Field

[0001] The invention relates to the field of building construction, in particular to a sand and stone separation device for house construction. Background Art

[0002] In the process of house construction, a large amount of sand is needed as the basic material, and a certain amount of gravel is often mixed in the sand, which affects its use. Therefore, the sand needs to be filtered before use to separate the gravel and sand. Traditional separation mostly uses a screen to throw the sand and stone mixture onto the screen and separate it using the mesh. This separation method has low separation efficiency and poor separation effect.

[0003] With the widespread application of construction assembly, more and more grit separation devices are applied to the field of sand and gravel separation. Existing sand and gravel separation devices mostly use an auger plus screen structure to separate and transmit sand and gravel. This structure improves the separation efficiency of sand and gravel and reduces the labor intensity of manual labor. However, in the process of the sand and gravel mixture moving forward along the screen, the screen is easily blocked by gravel and is not easy to clean. At the same time, when the volume and weight of gravel in the sand are large, the gravel will also impact the screen during the forward movement of the auger driven gravel, causing damage to the screen. Summary of the invention

[0004] The purpose of the present invention is to provide a sand and gravel separation device for house construction, which is used to solve the technical problem that the filter components of the sand and gravel separation device in the prior art are easily blocked and difficult to clean.

[0005] The object of the present invention is achieved through such a technical solution, which includes a separation box, and N separation shafts arranged in parallel with each other in the separation box, and the N separation shafts are arranged in the middle of the separation box in the vertical direction along the length direction of the separation box;

[0006] A first power component for driving N separation shafts to rotate is arranged on the side wall at one end of the separation box, a collection and cleaning component for collecting separated gravel and cleaning the gravel between adjacent separation shafts is also arranged between the side walls on both sides of the separation box, a cleaning component for cleaning sand attached to the separation shaft is also arranged between the side walls on both sides of the separation box, and a second drive component for driving the collection and cleaning component and the cleaning component to move is arranged on the outer side walls on both sides of the separation box.

[0007] As an optional solution, the first power assembly includes two first motors arranged on both sides of the side wall of one end of the separation box, and the two first motors respectively drive N / 2 separation shafts on both sides of the separation box to rotate through a synchronous belt module;

[0008] A sand and gravel feeding port is arranged at the top of the separation box along its length direction.

[0009] As an optional solution, the collecting and cleaning assembly includes a feeding barrel and a collecting barrel rotatably mounted on the outer wall of the feeding barrel through a bearing, and the outer wall of the collecting barrel is also provided with a plurality of groups of material-dispensing mechanisms for dispensing the crushed stones above the separation shaft into the feeding barrel and cleaning the crushed stones between adjacent separation shafts, and the plurality of material-dispensing mechanisms are arranged in an array at equal angles along the central axis of the collecting barrel;

[0010] A plurality of first feed notches are provided on the outer wall of the collecting barrel along the width direction of the separation box, the number of the first feed notches being the same as the number of the material-dispensing mechanisms, a second feed notch is provided above the feeding barrel along the width direction of the separation box, and a conveyor belt module for conveying crushed stones is installed in the feeding barrel;

[0011] The side walls of both sides of the separation box are provided with long holes arranged along the length direction thereof, both ends of the feeding tube and the collecting tube extend out of the long holes, both ends of the collecting tube extending out of the long holes are installed with external gear rings, and the outer walls of both ends of the collecting tube close to the side walls of the separation box are also installed with material blocking rings;

[0012] Support driving components for engaging with the outer gear ring to drive the collecting barrel to rotate and support the feeding barrel are installed on the side walls of both sides of the separation box.

[0013] As an optional solution, the material-moving mechanism includes a plurality of first T-shaped material-moving rods and second T-shaped material-moving rods which are sequentially installed on the outside of the collecting barrel at intervals along the width direction of the separation box;

[0014] The length of the first T-shaped material shifting rod is smaller than the distance between the separation shaft and the material collecting barrel, and the length of the second T-shaped material shifting rod is larger than the distance between the separation shaft and the material collecting barrel. When the first T-shaped material shifting rod and the second T-shaped material shifting rod are in a vertical downward position, the first T-shaped material shifting rod is located on the separation shaft, and the second T-shaped material shifting rod is located between the two separation shafts.

[0015] As an optional solution, the cleaning assembly includes a first rotating shaft arranged across both sides of the separation box, and a rotating brush for cleaning the separation shaft is installed on the first rotating shaft;

[0016] The two ends of the first rotating shaft are respectively extended to form long strip holes on both sides, and the two ends of the long strip holes of the first rotating shaft are both equipped with first gears that mesh with the supporting driving assembly for transmission.

[0017] As an optional solution, the support drive assembly includes a mounting plate mounted on the side wall of the separation box, and a slide rail and a first rack arranged along the length direction of the separation box are mounted on the mounting plate;

[0018] The bottom ends of both ends of the feeding cylinder are fixed with first sliders, the two ends of the first rotating shaft are rotatably mounted on two second sliders respectively, the first slider and the second slider both slide along the slide rail, and the outer gear ring and the first gear are meshed with the first rack;

[0019] A chain module arranged parallel to the slide rail is also installed on the mounting plate on one side of the slide rail. The power input end of the chain module is connected to the power output end of the second motor. The second motor is installed on the mounting plate. The first slider and the second slider can be selectively connected to the chain module.

[0020] As an optional solution, the separation boxes at both ends of the sand and gravel feed inlet are provided with isolation plates that slide in the vertical direction. When the sand and gravel feed inlet is feeding, the collection and cleaning component is located between one isolation plate and the side wall of one side of the separation box, and the cleaning component is located between the other isolation plate and the side wall of the other side of the separation box;

[0021] A plurality of rectangular grooves are formed at equal intervals at the bottom end of the isolation plate, and the width of the rectangular grooves is the same as the spacing between adjacent separation shafts. A second rack is installed on the end surface of the rectangular grooves close to the side walls of both ends of the separation box. A lifting drive motor is installed on the top of the separation box, and a second gear is installed on the power output shaft of the lifting drive motor, and the second gear is meshed with the second rack.

[0022] As an optional solution, the bottom of the separation box is inclined, a first discharge port is provided at the bottom of one side wall of the separation box, a sliding plate is installed on the other side wall of the separation box, and the feed end of the sliding plate is located below the discharge end of the feeding barrel;

[0023] A sand collecting box for collecting sand is arranged on one side of the first discharge port; and a gravel collecting box for collecting gravel is arranged on the discharge end of the sliding plate.

[0024] Due to the adoption of the above technical solution, the present invention has the following advantages:

[0025] 1. The present application separates sand and gravel by setting up several separation shafts, and collects the separated gravel and cleans the gravel between adjacent separation shafts by setting up a rotating collection and cleaning component, thereby solving the technical problems in the prior art that the sand and gravel separation device is easy to be blocked and difficult to clean, and reducing the maintenance cost and maintenance time of the equipment.

[0026] 2. The present application provides a rotating brush that rotates forward to scrub the inner wall and separation shaft of the separation shaft, which has a good cleaning effect, reduces the corrosion of the device by the sand with high humidity, and increases the service life of the device.

[0027] 3. The present application sets a support driving assembly on both sides of the separation box. When performing separation and collection operations or cleaning operations, the first slider or the second slider is selected to be connected to the support driving assembly. The support driving assembly drives the collection and cleaning assembly or the cleaning assembly to move, and the movement stability is high and the structure is compact.

[0028] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description and claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The accompanying drawings of the present invention are as follows.

[0030] Figure 1 It is a schematic diagram of the front structure of the separation device of the present invention.

[0031] Figure 2 It is a schematic diagram of the rear structure of the separation device of the present invention.

[0032] Figure 3 It is a schematic diagram of the internal structure of the separation device of the present invention.

[0033] Figure 4 For the present invention Figure 1 A partial enlarged view of point A in the middle.

[0034] Figure 5 It is a schematic diagram of the structures of the collecting and cleaning component and the cleaning component of the present invention.

[0035] Figure 6 It is a schematic structural diagram of the collecting barrel of the present invention.

[0036] Figure 7 It is a schematic structural diagram of the feeding barrel of the present invention.

[0037] Figure 8 It is a schematic structural diagram of the isolation plate of the present invention.

[0038] In the figure: 1-separation box; 2-separation shaft; 3-first motor; 4-synchronous belt module; 5-sand and gravel feeding port; 6-feeding barrel; 7-collecting barrel; 8-outer gear ring; 9-first feeding gap; 10-second feeding gap; 11-conveyor belt module; 12-long hole; 13-first T-shaped material removal rod; 14-second T-shaped material removal rod; 15-first rotating shaft; 16-rotating brush; 17-first gear; 18-mounting plate; 19-slide rail; 20-first rack; 21-first slider; 22-second slider; 23-chain module; 24-second motor; 25-isolation plate; 26-rectangular groove; 27-second rack; 28-lifting drive motor; 29-second gear; 30-first discharge port; 31-slide plate; 32-sand collection box; 33-gravel collection box; 34-blocking ring. DETAILED DESCRIPTION

[0039] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0040] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0041] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The present invention provides a sand and stone separation device for house construction, characterized in that it comprises a separation box 1, and N separation shafts 2 arranged in parallel with each other in the separation box 1, and the N separation shafts 2 are arranged in the middle of the separation box 1 in the vertical direction along the length direction of the separation box 1;

[0042] A first power component for driving N separation shafts 2 to rotate is arranged on the side wall at one end of the separation box 1, and a collection and cleaning component for collecting separated gravel and cleaning the gravel between adjacent separation shafts 2 is also arranged between the side walls on both sides of the separation box 1. A cleaning component for cleaning sand attached to the separation shaft 2 is also arranged between the side walls on both sides of the separation box 1, and second drive components for driving the collection and cleaning component and the cleaning component to move are arranged on the outer side walls on both sides of the separation box 1.

[0043] In the example of the present invention, sand and gravel are loaded into the separation box 1, and the first power assembly drives the separation shaft 2 to rotate, so that the sand particles fall from between the separation shafts 2 to the bottom of the separation box 1, and the gravel remains on the upper part of the separation shaft 2; the collection and cleaning assembly is connected to the second driving assembly, and the second driving assembly drives the collection and cleaning assembly to collect the gravel and clean the gravel between the adjacent separation shafts 2, thereby completing the separation of sand and gravel. When the separation device needs to be cleaned, the cleaning assembly is connected to the second driving assembly, and the second driving assembly drives the cleaning assembly to clean the separation shaft and the inner wall of the separation box 1.

[0044] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 , the first power assembly includes two first motors 3 arranged on both sides of the side wall of one end of the separation box 1, and the two first motors 3 respectively drive the N / 2 separation shafts 2 on both sides of the separation box 1 to rotate through the synchronous belt module 4;

[0045] A sand and gravel feed port 5 is provided at the top of the separation box 1 along its length direction.

[0046] In the example of the present invention, when separating sand and gravel, the sand and gravel mixture is put into the separation box 1 from the sand and gravel feed port 5, and the first motors 3 on both sides are started to rotate forward and reverse alternately, and the separation shaft 2 drives the sand and gravel mixture to reciprocate along the width of the separation box 1, so that the sand can fully fall from between adjacent separation shafts 2 to the bottom of the separation box 1.

[0047] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8The collecting and cleaning assembly includes a feeding barrel 6, and a collecting barrel 7 rotatably mounted on the outer wall of the feeding barrel 6 through a bearing. The outer wall of the collecting barrel 7 is also provided with a plurality of groups of material-dispensing mechanisms for dispensing the crushed stones above the separation shaft 2 into the feeding barrel 6 and cleaning the crushed stones between adjacent separation shafts 2. The plurality of material-dispensing mechanisms are arranged in an array at equal angles along the central axis of the collecting barrel 7;

[0048] A plurality of first feed notches 9 are provided on the outer wall of the collecting barrel 7 along the width direction of the separation box 1, and the number of the first feed notches 9 is the same as the number of the material-dispensing mechanism. A second feed notch 10 is provided above the feeding barrel 6 along the width direction of the separation box 1, and a conveyor belt module 11 for conveying crushed stones is installed in the feeding barrel 6.

[0049] The side walls of both sides of the separation box 1 are provided with long holes 12 arranged along the length direction thereof, both ends of the feeding cylinder 6 and the collecting cylinder 7 extend out of the long holes 12, both ends of the collecting cylinder 7 extending out of the long holes 12 are installed with outer gear rings 8, and both ends of the collecting cylinder 7 close to the side walls of the separation box 1 are also installed with material blocking rings 34;

[0050] Support drive components for engaging with the outer gear ring 8 to drive the collecting barrel 7 to rotate and support the feeding barrel 6 are installed on both side walls of the separation box 1.

[0051] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The material-discharging mechanism includes a plurality of first T-shaped material-discharging rods 13 and second T-shaped material-discharging rods 14 which are sequentially installed on the outside of the collecting barrel 7 at intervals along the width direction of the separation box 1;

[0052] The length of the first T-shaped material shifting rod 13 is smaller than the distance between the separation shaft 2 and the material collecting barrel 7, and the length of the second T-shaped material shifting rod 14 is larger than the distance between the separation shaft 2 and the material collecting barrel 7. When the first T-shaped material shifting rod 13 and the second T-shaped material shifting rod 14 are in a vertical downward position, the first T-shaped material shifting rod 13 is located on the separation shaft 2, and the second T-shaped material shifting rod 14 is located between the two separation shafts 2.

[0053] In the example of the present invention, the chain module 23 drives the feeding barrel 6 to move along the length direction of the separation box 1, and at the same time, the outer gear ring 8 engages with the first rack 20 to drive the collecting barrel 7 and the material discharging mechanism to rotate. During the rotation of the collecting barrel 7, the second T-shaped material discharging rod 14 extends between two adjacent separation shafts 2 to clean the gravel stuck between the separation shafts 2. At the same time, the first T-shaped material discharging rod 13 picks up the gravel on the separation shaft 2. When the first T-shaped material discharging rod 13 rotates to above the horizontal plane where the axis of the collecting barrel 7 is located, the gravel will slide to the first feeding notch 9 through the vertical rods of the first T-shaped material discharging rod 13 and the second T-shaped material discharging rod 14, and then slide through the second feeding notch 10 to the conveyor belt module 11 in the feeding barrel 6. The conveyor belt module 11 transfers the gravel to its end close to the sliding plate 31 to realize the collection of the gravel.

[0054] In the example of the present invention, a plurality of first T-shaped material-moving rods 13 and second T-shaped material-moving rods 14 are connected by a plurality of cross bars, so that gravel is placed in the gaps between the vertical bars of the first T-shaped material-moving rods 13 and the second T-shaped material-moving rods 14 .

[0055] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The cleaning assembly includes a first rotating shaft 15 arranged across both sides of the separation box 1, and a rotating brush 16 for cleaning the separation shaft 2 is installed on the first rotating shaft 15;

[0056] The two ends of the first rotating shaft 15 are respectively extended to the long holes 12 on both sides, and the two ends of the long holes 12 of the first rotating shaft 15 are both installed with first gears 17 that mesh with the supporting driving assembly for transmission.

[0057] In the example of the present invention, after the separation device is used for many times, the sand with high humidity will adhere to the inner wall of the separation shaft 1 and the separation shaft 2, which will not only affect the working efficiency of the separation device, but also cause the separation shaft to rust and corrode, reducing the service life of the equipment. The existing separation device is mostly cleaned by flushing with a high-pressure water gun, which is costly and has a poor cleaning effect. Therefore, the present application sets a rotating brush 16 to brush the inner wall of the separation shaft 1 and the separation shaft 2. As an embodiment of the present invention, a water spray device can also be set to cooperate in the brushing process of the rotating brush 16.

[0058] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The support driving assembly includes a mounting plate 18 mounted on the side wall of the separation box 1, and a slide rail 19 and a first rack 20 arranged along the length direction of the separation box 1 are mounted on the mounting plate 18;

[0059] The bottom ends of both ends of the feeding cylinder 6 are fixed with first sliders 21, and the two ends of the first rotating shaft 15 are rotatably mounted on two second sliders 22 respectively. The first slider 21 and the second slider 22 both slide along the slide rail 19, and the outer gear ring 8 and the first gear 17 are both meshed with the first rack 20;

[0060] A chain module 23 arranged parallel to the slide rail 19 is also installed on the mounting plate 18 on one side of the slide rail 19. The power input end of the chain module 23 is connected to the power output end of the second motor 24. The second motor 24 is installed on the mounting plate 18. The first slider 21 and the second slider 22 can be optionally connected to the chain module 23.

[0061] In the example of the present invention, when separation operation is required, the first slider 21 is fixedly connected to the chain module 23 by screws, the second slider 22 is not connected to the chain module 23, the second motor 24 drives the chain module 23 to move, the chain module 23 drives the first slider 21 along the slide rail 19, and the collection and cleaning assembly reciprocates along the length direction of the separation box 1. When the inner wall of the separation box 1 and the separation shaft 2 need to be cleaned, the second slider 22 is fixedly connected to the chain module 23 by screws, the first slider 21 is not connected to the chain module 23, the second motor 24 drives the chain module 23 to move, the chain module 23 drives the second slider 22 along the slide rail 19, and the cleaning assembly reciprocates along the length direction of the separation box 1.

[0062] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 , the separation box 1 at both ends of the sand and gravel feed port 5 is provided with a partition plate 25 sliding in the vertical direction. When the sand and gravel feed port 5 is fed, the collection and cleaning component is located between one partition plate 25 and the side wall of one side of the separation box 1, and the cleaning component is located between the other partition plate 25 and the side wall of the other side of the separation box 1;

[0063] A plurality of rectangular grooves 26 are formed at equal intervals at the bottom end of the isolation plate 25, and the width of the rectangular grooves 26 is the same as the spacing between adjacent separation shafts 2. A second rack 27 is installed on the end surface of the rectangular grooves 26 close to the side walls of both ends of the separation box. A lifting drive motor 28 is installed on the top of the separation box 1, and a second gear 29 is installed on the power output shaft of the lifting drive motor 28, and the second gear 29 is meshed with the second rack 27.

[0064] In the example of the present invention, by setting the isolation plates 25, when the sand and gravel mixture is put into the separation box 1, the sand and gravel are always located between the two isolation plates 25; when the sand and gravel are separated, the isolation plate 25 close to the collecting and cleaning component is started to rise, and the support driving component drives the collecting and cleaning component to move between the two isolation plates 25. When the collecting and cleaning component moves between the two isolation plates 25, the isolation plate 25 close to the collecting and cleaning component drops to the initial position, and the collecting and cleaning component starts to collect and clean the gravel. When cleaning operations are required, the isolation plate 25 close to the cleaning component is started to rise, and the support driving component drives the cleaning component to move between the two isolation plates 25. When the cleaning component moves between the two isolation plates 25, the isolation plate 25 close to the cleaning component drops to the initial position, and the cleaning component starts to clean the inner wall of the separation box 1 and the separation shaft 2.

[0065] In the example of the present invention, a rectangular groove 26 is set at the bottom end of the isolation plate 25. When the collecting and cleaning assembly moves to a position close to the isolation plates 25 on both sides, the second T-shaped material removing rod 14 passes through the rectangular groove 26 during rotation, so that the second T-shaped material removing rod 14 can collect the gravel close to both sides of the isolation plates 25.

[0066] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 The bottom of the separation box 1 is inclined, a first discharge port 30 is provided at the bottom of one side wall of the separation box 1, a sliding plate 31 is installed on the other side wall of the separation box 1, and the feed end of the sliding plate 31 is located below the discharge end of the feeding cylinder 6;

[0067] A sand collecting box 32 for collecting sand is disposed on one side of the first discharge port 30 ; a gravel collecting box 33 for collecting gravel is disposed on the discharge end of the sliding plate 31 .

[0068] In the present embodiment, the sand at the bottom of the separation box 1 slides down the slope at the bottom to the first discharge port 30, and then falls into the sand collection box 32 for storage. The crushed stone is conveyed to the slide plate 31 through the conveyor belt module 11, and the crushed stone falls into the crushed stone collection box 33 through the slide plate 31.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A sand and stone separation device for house construction, characterized in that: It comprises a separation box (1), and N separation shafts (2) arranged in parallel with each other in the separation box (1), wherein the N separation shafts (2) are arranged in the middle of the separation box (1) in the vertical direction along the length direction of the separation box (1); A first power assembly for driving the N separation shafts (2) to rotate is arranged on the side wall at one end of the separation box (1); a collection and cleaning assembly for collecting separated gravel and cleaning gravel between adjacent separation shafts (2) is also arranged between the side walls on both sides of the separation box (1); a cleaning assembly for cleaning sand attached to the separation shafts (2) is also arranged between the side walls on both sides of the separation box (1); and a second drive assembly for driving the collection and cleaning assembly and the cleaning assembly to move is arranged on the outer side walls on both sides of the separation box (1); The collecting and cleaning assembly comprises a feed barrel (6), and a collecting barrel (7) rotatably mounted on the outer wall of the feed barrel (6) via a bearing, and the outer wall of the collecting barrel (7) is also provided with a plurality of groups of material-dispensing mechanisms for dispensing crushed stones above the separation shaft (2) into the feed barrel (6) and cleaning crushed stones between adjacent separation shafts (2), and the plurality of material-dispensing mechanisms are arranged in an array at equal angles along the central axis of the collecting barrel (7); A plurality of first feed notches (9) are provided on the outer wall of the collecting barrel (7) and are arranged along the width direction of the separation box (1); the number of the first feed notches (9) is the same as the number of the material shifting mechanisms; a second feed notch (10) is provided above the feeding barrel (6) and is arranged along the width direction of the separation box (1); a conveyor belt module (11) for conveying crushed stone is installed in the feeding barrel (6); The side walls of both sides of the separation box (1) are provided with elongated holes (12) arranged along the length direction thereof, both ends of the feed cylinder (6) and the collection cylinder (7) extend out of the elongated holes (12), both ends of the collection cylinder (7) extending out of the elongated holes (12) are equipped with external gear rings (8), and both ends of the collection cylinder (7) close to the side walls of the separation box (1) are also equipped with material blocking rings (34); Support drive components are installed on both side walls of the separation box (1) for engaging with the outer gear ring (8) to drive the collection barrel (7) to rotate and support the feeding barrel (6); The material shifting mechanism comprises a plurality of first T-shaped material shifting rods (13) and second T-shaped material shifting rods (14) which are sequentially installed on the outside of the collecting barrel (7) at intervals along the width direction of the separation box (1); The length of the first T-shaped material-discharging rod (13) is less than the distance between the separation shaft (2) and the material-collecting barrel (7), and the length of the second T-shaped material-discharging rod (14) is greater than the distance between the separation shaft (2) and the material-collecting barrel (7); when the first T-shaped material-discharging rod (13) and the second T-shaped material-discharging rod (14) are in a vertically downward position, the first T-shaped material-discharging rod (13) is located on the separation shaft (2), and the second T-shaped material-discharging rod (14) is located between the two separation shafts (2); A gravel feed inlet (5) is provided at the top of the separation box (1) along its length direction, and isolation plates (25) that slide in a vertical direction are provided in the separation box (1) at both ends of the gravel feed inlet (5). When the gravel feed inlet (5) is fed, the collection and cleaning component is located between one isolation plate (25) and the side wall of one side of the separation box (1), and the cleaning component is located between the other isolation plate (25) and the side wall of the other side of the separation box (1).

2. A sand and stone separation device for house construction as claimed in claim 1, characterized in that: The first power assembly comprises two first motors (3) arranged on both sides of the side wall of one end of the separation box (1), and the two first motors (3) respectively drive N / 2 separation shafts (2) on both sides of the separation box (1) to rotate through a synchronous belt module (4).

3. A sand and stone separation device for house construction as claimed in claim 2, characterized in that: The cleaning component comprises a first rotating shaft (15) arranged across two sides of the separation box (1), and a rotating brush (16) for cleaning the separation shaft (2) is mounted on the first rotating shaft (15); Both ends of the first rotating shaft (15) extend out of the long holes (12) on both sides respectively, and both ends of the long holes (12) of the first rotating shaft (15) are equipped with first gears (17) that mesh with the supporting drive assembly for transmission.

4. A sand and stone separation device for house construction as claimed in claim 3, characterized in that: The support drive assembly comprises a mounting plate (18) mounted on a side wall of the separation box (1), and a slide rail (19) and a first rack (20) arranged along the length direction of the separation box (1) are mounted on the mounting plate (18); A first slider (21) is installed at the bottom of both ends of the feeding cylinder (6), and both ends of the first rotating shaft (15) are rotatably installed on two second sliders (22), the first slider (21) and the second slider (22) both slide along the slide rail (19), and the outer gear ring (8) and the first gear (17) are both meshed with the first rack (20); A chain module (23) is also mounted on the mounting plate (18) on one side of the slide rail (19) and is arranged parallel to the slide rail (19). The power input end of the chain module (23) is connected to the power output end of the second motor (24). The second motor (24) is mounted on the mounting plate (18). The first slider (21) and the second slider (22) are selectively connected to the chain module (23).

5. A sand and stone separation device for house construction as claimed in claim 4, characterized in that: A plurality of rectangular grooves (26) are formed at equal intervals at the bottom end of the isolation plate (25); the width of the rectangular grooves (26) is the same as the spacing between adjacent separation shafts (2); a second rack (27) is installed on the end surface of the rectangular grooves (26) close to the side walls at both ends of the separation box; a lifting drive motor (28) is installed on the top of the separation box (1); a second gear (29) is installed on the power output shaft of the lifting drive motor (28); and the second gear (29) is meshed with the second rack (27).

6. A sand and stone separation device for house construction as claimed in claim 5, characterized in that: The bottom of the separation box (1) is inclined, a first discharge port (30) is provided at the bottom of a side wall of one side of the separation box (1), a sliding plate (31) is installed on the other side wall of the separation box (1), and the feed end of the sliding plate (31) is located below the discharge end of the feed cylinder (6); A sand collection box (32) for collecting sand is provided on one side of the first discharge port (30); and a gravel collection box (33) for collecting gravel is provided on the discharge end of the sliding plate (31).

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