Automatic efficient sand screening device for constructional engineering

Abstract

The utility model discloses an automatic efficient sand screening device for constructional engineering, which relates to the technical field of constructional engineering and comprises a sand screening barrel, a discharging hopper and a motor are arranged at the top of the sand screening barrel, supporting foot columns are fixedly connected to two sides of the sand screening barrel, a fixing block is fixedly connected to the top of the sand screening barrel in a penetrating manner, and a fixing plate is rotatably connected to the inside of the fixing block. The top of the fixing plate is fixedly connected with a fixing pipe in a penetrating mode, the bottom end of the discharging hopper is located in the fixing pipe, the bottom end of the fixing pipe is rotatably connected to the top of the fixing block in a penetrating mode, the bottom of the motor is fixedly connected with a first gear, the top end of the fixing pipe is fixedly connected with a second gear in a penetrating mode, and the first gear and the second gear are engaged and clamped. The sand screening device solves the problems that when sand absorbing water is subjected to sand screening operation, the sand is likely to be pressed by stone grains, so that the sand adheres to one another, sand screening is difficult, multiple times of screening operation are needed, the adherent sand can be scattered, then sand screening operation is completed, and the sand screening efficiency is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, concretely is a kind of automatic efficient sand screening device for building engineering. BACKGROUND

[0002] Sand is one of the most important raw materials in building materials, not only can increase the strength and stability of concrete by adding sand in concrete, but also sand can be used as a filler, play a balancing and supporting role in building structure, and the initial sand pile also contains stone particles, so sand screening operation needs to be carried out before use.

[0003] In building engineering, the commonly used sand is river sand, since river sand is repeatedly collided and rubbed by water for a long time, so river sand is more smooth, round and firm compared with other types of sand, can bear stress in all directions, so it has high degree of cement and strong plasticity, but due to the characteristics of river sand, it is easy to absorb moisture in humid environment, when air humidity is high, sand pile may absorb moisture, which may increase the viscosity of sand before screening, so the conventional building engineering sand screening device may be pressed by stone particles when screening the sand, so that the sand is adhered to each other, so that sand screening is difficult, and multiple screening operations are needed to scatter the adhered sand, and then complete the sand screening operation, so the sand screening efficiency is generally, so a building engineering sand screening device is needed, which can efficiently screen sand even if sand pile absorbs moisture. SUMMARY

[0004] The utility model is to provide a kind of automatic efficient sand screening device for building engineering, to solve the problems raised in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A kind of automatic efficient sand screening device for constructional engineering, including sand screening barrel, the top of the sand screening barrel is provided with discharge hopper and motor, both sides of the sand screening barrel are fixedly connected with support foot column, the top of the sand screening barrel is fixedly connected with fixed block and penetrates, the inside of the fixed block is rotatably connected with fixed plate, the top of the fixed plate is fixedly connected with fixed tube and penetrates, the bottom of the discharge hopper is located in the inside of fixed tube, the bottom of the fixed tube is rotatably connected to the top of fixed block and penetrates, the bottom of the motor is fixedly connected with gear one, the top of the fixed tube is fixedly connected with gear two and penetrates, gear one and gear two are engaged and clamped with each other, the bottom of the edge of the fixed plate is fixedly connected with fixed rod, the bottom of the fixed rod is fixedly connected with receiving recess, the top of the inner wall of the sand screening barrel is fixedly inserted with screen rack, the receiving recess is located in the inside of screen rack, the bottom of the sand screening barrel is fixedly connected with discharge pipe and sand pipe and penetrates, the top of the discharge pipe is fixedly connected to the bottom of screen rack.

[0006] Preferably, the inner wall of the receiving recess is fixedly connected with a protrusion.

[0007] Preferably, both sides of the motor are fixedly connected with support frame one, the bottom of the support frame one is fixedly connected to the top of the sand screening barrel, both sides of the discharge hopper are fixedly connected with support frame two, the bottom of the support frame two is fixedly connected to the top of the fixed block.

[0008] Preferably, the inner wall of the fixed tube is fixedly connected with a connecting column, which is L-shaped.

[0009] Preferably, the side of the fixed plate is fixedly connected with a slip ring, the bottom end of the fixed block is provided with a limiting groove, and the side of the slip ring is slidingly connected to the inner wall of the limiting groove.

[0010] Preferably, both sides of the receiving recess are fixedly connected with a fixed column, one end of the fixed column away from the receiving recess is fixedly connected with a scraper, and the outer side of the scraper is slidingly connected to the inner side of the screen at the bottom end of the screen rack.

[0011] Preferably, the side of the fixed tube is fixedly connected with a support bottom ring, the top of the fixed block is provided with a sliding groove, and the bottom end of the support bottom ring is slidingly connected to the inner wall of the sliding groove.

[0012] Preferably, the bottom of the sand screening barrel is inclined.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a fixed rod and the protruding double block under the fixed rod and the protruding double block, can make the sand that falls to the receiving concave tray under the centrifugal force that rotation produces, scatters when to all around, is hit and scatters open by fixed rod and protrusion, even if sand appears sticky condition because of absorbing moisture, can guarantee the screening efficiency of screen frame, and because the design of wide on the screen frame and narrow down, even if the sand that scatters and the frame of screen frame bottom end screen frame frame collide, also can select from the collection of screen frame bottom end when falling subsequently, thereby reduced sand loss rate when screening sand. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic view of the utility model;

[0016] Figure 2 It is whole structure cross section schematic view of the utility model;

[0017] Figure 3 It is the utility model Figure 2 It is structure enlarged schematic view of A place in the utility model;

[0018] Figure 4 It is fixed block place and screen frame place structure cross section schematic view of the utility model.

[0019] In the drawing: 1, the hopper; 2, motor; 3, support frame one; 4, gear one; 5, sand screening barrel; 6, support foot column; 7, lower discharge pipe; 8, gear two; 9, support frame two; 10, lower sand pipe; 11, fixed block; 12, connecting column; 13, fixed tube; 14, support bottom ring; 15, fixed plate; 16, screen frame; 17, slip ring; 18, fixed rod; 19, receiving concave tray; 20, protrusion; 21, scraper; 22, fixed column. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently, apparently, the described embodiment only is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making creative labor belong to the range of protection of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of automatic efficient sand screening device for constructional engineering, including sand screening bucket 5, the top of sand screening bucket 5 is provided with feeder hopper 1 and motor 2, sand screening bucket 5 both sides are fixedly connected with support foot column 6, the top of sand screening bucket 5 is fixedly connected with fixed block 11 and penetrates, fixed plate 15 is rotatably connected in the inside of fixed block 11, fixed plate 15 top is fixedly connected with fixed tube 13 and penetrates, the bottom end of feeder hopper 1 is located in the inside of fixed tube 13, the bottom end of fixed tube 13 is rotatably connected to the top of fixed block 11 and penetrates, the bottom of motor 2 is fixedly connected with gear one 4, the top of fixed tube 13 is fixedly connected with gear two 8 and penetrates, gear one 4 and gear two 8 are engaged and clamped each other, the bottom of fixed rod 18 is fixedly connected with the bottom of fixed plate 15 edge, the bottom of fixed rod 18 is fixedly connected with receiving recess 19, the top of sand screening bucket 5 inner wall is fixedly inserted with screen rack 16, receiving recess 19 is located in the inside of screen rack 16, can be dispersed screening operation to sand, reduce the adhesion between sand due to absorption moisture, thereby greatly improve the efficiency of sand screening, the bottom of sand screening bucket 5 is fixedly connected with feeder pipe 7 and sand pipe 10 and penetrates, the bottom of feeder pipe 7 is fixedly connected with the bottom of screen rack 16.

[0022] Further, the inner wall of receiving recess 19 is fixedly connected with protrusion 20, to facilitate sand when flying, is blocked, thereby under the action of centrifugal force, sand is impacted to the surface of protrusion 20, plays the role of dispersing.

[0023] Further, the both sides of motor 2 are fixedly connected with support frame one 3, the bottom of support frame one 3 is fixedly connected to the top of sand screening bucket 5, the both sides of feeder hopper 1 are fixedly connected with support frame two 9, the bottom of support frame two 9 is fixedly connected to the top of fixed block 11, improve the stability of feeder hopper 1 and motor 2 when using.

[0024] Further, the inner wall of fixed tube 13 is fixedly connected with connecting column 12, connecting column 12 is L-shaped arrangement, can be rotated agitating operation to sand in feeder hopper 1, prevent sand containing moisture from sticking to the end of the convergence mouth end at the bottom end of feeder hopper 1, thereby affect the introduction efficiency of sand.

[0025] Further, the side of fixed plate 15 is fixedly connected with slip ring 17, the bottom end of fixed block 11 is provided with limit groove, the side of slip ring 17 is slidably connected to the inner wall of limit groove, improve the stability when fixed plate 15 rotates.

[0026] Further, the two sides of the receiving concave disc 19 are fixedly connected with fixed columns 22, and the ends of the fixed columns 22 away from the receiving concave disc 19 are fixedly connected with scrapers 21, which can scrape the inner side of the screen at the bottom end of the screen frame 16, so as to reduce the possibility of clogging of the screen at the bottom end of the screen frame 16, and the outer side of the scraper 21 is slidingly connected to the inner side of the screen at the bottom end of the screen frame 16.

[0027] Further, the side of the fixed tube 13 is fixedly connected with a supporting bottom ring 14, and the top of the fixed block 11 is provided with a sliding groove, and the bottom end of the supporting bottom ring 14 is slidingly connected to the inner wall of the sliding groove, so as to increase the stability of the rotation of the gear two 8, thereby improving the stability of the meshing of the gear one 4 and the gear two 8.

[0028] Further, the bottom of the sand screening barrel 5 is inclined, which facilitates the discharge of sand.

[0029] First, the motor 2 is started, and the motor 2 drives the fixed plate 15 to rotate through the gear one 4 and the gear two 8, so that the fixed plate 15 drives the receiving concave disc 19 to rotate through the fixed rod 18, and then sand is introduced into the sand screening barrel 5 through the feeding hopper 1. When the fixed plate 15 rotates, the fixed tube 13 at the top of the fixed plate 15 also rotates, so that the fixed tube 13 drives the connecting column 12 to rotate and stir the sand in the feeding hopper 1, so as to prevent the sand containing water from sticking to the collection port at the bottom end of the feeding hopper 1, thereby affecting the introduction efficiency of the sand. When the sand in the feeding hopper 1 is introduced into the receiving concave disc 19, the receiving concave disc 19 will make the sand fly around the inner wall of the receiving concave disc 19 under the action of the centrifugal force generated by the rotation, and the sand will be blocked by the protrusions 20 and the fixed rod 18 in the process of flying, so that the sand blocks will be dispersed under the impact of the protrusions 20 and the fixed rod 18 in the process of flying, and the dispersed sand will fall into the bottom of the sand screening barrel 5 under the filtering of the screen at the bottom end of the screen frame 16. Since the bottom of the sand screening barrel 5 is inclined, the screened sand will gradually slide to the sand pipe 10 through the bottom of the sand screening barrel 5, and then be discharged through the sand pipe 10, and the stones in the sand will be blocked by the screen at the bottom end of the screen frame 16, and then slide into the discharge pipe 7 along the inner side of the screen at the bottom end of the screen frame 16 for discharge. Since the screen frame 16 is designed to be wide at the top and narrow at the bottom, even if the flying sand collides with the frame of the screen at the bottom end of the screen frame 16 under the action of the centrifugal force, it can also be screened out from the collection port at the bottom end of the screen frame 16 in the subsequent falling process.

[0030] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An automatic high efficiency sand screening device for construction engineering, comprising a sand screening barrel (5), characterized in that: The top of the sand screening barrel (5) is provided with a lower hopper (1) and a motor (2), both sides of the sand screening barrel (5) are fixedly connected with support foot columns (6), the top of the sand screening barrel (5) is fixedly connected with a fixed block (11) penetrating through, the inside of the fixed block (11) is rotatably connected with a fixed plate (15), the top of the fixed plate (15) is fixedly connected with a fixed tube (13) penetrating through, the bottom end of the lower hopper (1) is located in the inside of the fixed tube (13), the bottom end of the fixed tube (13) is rotatably connected to the top of the fixed block (11) penetrating through, the bottom of the motor (2) is fixedly connected with a gear one (4), the top end of the fixed tube (13) is fixedly connected with a gear two (8) penetrating through, the gear one (4) and the gear two (8) are intermeshingly clamped, the bottom of the edge of the fixed plate (15) is fixedly connected with a fixed rod (18), the bottom of the fixed rod (18) is fixedly connected with a receiving concave disc (19), the top of the inner wall of the sand screening barrel (5) is fixedly inserted with a screen frame (16), the receiving concave disc (19) is located in the inside of the screen frame (16), the bottom of the sand screening barrel (5) is fixedly connected with a discharging pipe (7) and a sand discharging pipe (10) penetrating through, the top of the discharging pipe (7) is fixedly connected to the bottom of the screen frame (16).

2. The automatic high efficient sand screening device for construction engineering according to claim 1, characterized in that: The inner wall of the receiving concave disc (19) is fixedly connected with a protrusion (20).

3. The automatic high efficient sand screening device for construction engineering according to claim 1, characterized in that: Both sides of the motor (2) are fixedly connected with support frames one (3), the bottom of the support frames one (3) is fixedly connected to the top of the sand screening barrel (5), both sides of the lower hopper (1) are fixedly connected with support frames two (9), the bottom of the support frames two (9) is fixedly connected to the top of the fixed block (11).

4. The automatic high efficient sand screening device for construction engineering according to claim 1, characterized in that: The inner wall of the fixed tube (13) is fixedly connected with a connecting column (12), the connecting column (12) is provided in an L shape.

5. The automatic high efficient sand screening device for construction engineering according to claim 1, characterized in that: The side of the fixed plate (15) is fixedly connected with a slip ring (17), the bottom end of the fixed block (11) is provided with a limiting groove, the side of the slip ring (17) is slidingly connected to the inner wall of the limiting groove.

6. The automatic high efficient sand screening device for construction engineering according to claim 1, characterized in that: Both sides of the receiving concave disc (19) are fixedly connected with fixed columns (22), one end of the fixed column (22) away from the receiving concave disc (19) is fixedly connected with a scraper (21), the outer side of the scraper (21) is slidingly connected to the inner side of the bottom end screen of the screen frame (16).

7. The automatic high efficient sand screening device for construction engineering according to claim 1, characterized in that: The side of the fixed tube (13) is fixedly connected with a support bottom ring (14), the top of the fixed block (11) is provided with a sliding groove, the bottom end of the support bottom ring (14) is slidingly connected to the inner wall of the sliding groove.

8. The automatic high efficient sand screening device for construction engineering according to claim 1, characterized in that: The bottom of the sand screening barrel (5) is provided in an inclined manner.

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