Sand screening device for construction

Abstract

The utility model discloses a sand screening device for construction, relating to the technical field of sand screening devices, comprising a first screening box, a second screening box fixedly connected to one side of the first screening box, two corresponding second chutes arranged inside the second screening box, a second reciprocating sliding mechanism arranged inside the second chutes, a screening bucket fixedly connected between the two second reciprocating sliding mechanisms, the screening bucket being slidably connected to the inside of the second screening box, and a first rotating shaft being rotatably connected inside the first screening box. The beneficial effects of the utility model are as follows: through the mutual cooperation of the second screening box, the second chute, the second reciprocating screw rod, the second slider, the second servo motor, the transmission wheel, the toothed transmission belt and the screening bucket, the sand agglomerated inside the screening bucket can be shaken to make it collide with the baffle arranged inside the screening bucket, thereby breaking up the agglomerated sand, and further screening the sand.

Description

Technical field:

[0001] The utility model relates to the technical field of sand screening devices, in particular to a sand screening device for construction. Background technology:

[0002] Sand is an essential basic raw material in the construction field. It can be used for painting walls, building walls or paving the ground according to its particle size. In order to ensure the quality of wall casting during the construction process, sand and gravel of different sizes will be screened, so sand screening devices are widely used in construction.

[0003] The existing sand is easily exposed to rain and moisture during transportation or storage, which causes the sand to contain more water and cause the sand to clump. When screening the sand, it is easy to accumulate on the screen plate, which will reduce the efficiency of the sand screening device. For this reason, we propose a sand screening device for construction. Utility model content:

[0004] The utility model aims to provide a sand screening device for construction to solve the deficiencies of the prior art.

[0005] The utility model is implemented by the following technical scheme: a sand screening device for construction, comprising a first screening box, a second screening box being fixedly connected to one side of the first screening box, two corresponding second chutes being provided inside the second screening box, a second reciprocating sliding mechanism being arranged inside the second chutes, a screening bucket being fixedly connected between the two second reciprocating sliding mechanisms, the screening bucket being slidably connected to the inside of the second screening box, a first rotating shaft being rotatably connected inside the first screening box, a first screening plate being fixedly connected to the outside of the first rotating shaft and located inside the first screening box, a first chute being provided inside the first screening box, and a first reciprocating sliding mechanism being arranged inside the first chute.

[0006] Preferably, the first reciprocating sliding mechanism includes a first reciprocating screw and a first sliding block, the first reciprocating screw is rotatably connected to the inside of the first slide groove, the first sliding block is slidably connected to the inside of the first slide groove, the first reciprocating screw passes through the first sliding block and is threadedly connected to the first sliding block, and the second connecting block can be driven to move through the first reciprocating sliding mechanism, and then the first connecting rod can be driven to move, and the first connecting block is pushed upward by the rotation limit, and then the first screen plate is driven to rotate inside the first screening box, thereby shaking the sand on the top of the first screen plate to screen the sand, thereby improving the screening efficiency of the sand screening device for construction.

[0007] Preferably, a first servo motor is fixedly installed inside the first screening box, and the output end of the first servo motor is fixedly connected to the first reciprocating screw rod. The normal operation of the first reciprocating sliding mechanism can be ensured through the mutual cooperation of the first servo motor and the first reciprocating screw rod.

[0008] Preferably, a second connecting block is fixedly connected to the top of the first sliding block, a second connecting shaft is fixedly connected to the inside of the second connecting block, a first connecting rod is rotatably connected to the outside of the second connecting shaft, a first connecting block is fixedly connected to one side of the first screen plate, a first connecting shaft is fixedly connected to the inside of the first connecting block, and the other end of the first connecting rod is rotatably connected to the outside of the first connecting shaft; through the mutual cooperation of the first connecting block, the first connecting shaft, the first connecting rod, the second connecting shaft and the second connecting block, the first screen plate and the first reciprocating sliding mechanism can be cooperated to perform preliminary screening of sand.

[0009] Preferably, the second reciprocating sliding mechanism includes a second slider and a second reciprocating screw, the second reciprocating screw is rotatably connected to the inside of the second slide slot, the second slider is slidably connected to the inside of the second slide slot, the second reciprocating screw passes through the second slider and is threadedly connected to the second slider, and the screening bucket is fixedly connected between the two second sliders. The second reciprocating sliding mechanism can drive the screening bucket to move back and forth rapidly inside the second screening box, and then the agglomerated sand inside the screening bucket is shaken to make it collide with the baffle rod set inside the screening bucket, thereby breaking up the agglomerated sand and further screening the sand.

[0010] Preferably, one end of the second reciprocating screw is fixedly connected to a transmission wheel, a toothed transmission belt is arranged between the two transmission wheels, a second servo motor is fixedly installed inside the second screening box, and the output end of the second servo motor is fixedly connected to the second reciprocating screw, and the normal operation of the second reciprocating sliding mechanism can be guaranteed through the mutual cooperation of the second reciprocating screw, the second servo motor, the transmission wheel and the toothed transmission belt.

[0011] Preferably, a plurality of plug-in slots are provided inside the screening bucket, plug-in blocks are plugged into the inside of the plug-in slots, and a baffle is fixedly connected between two of the plug-in blocks. Through the mutual cooperation of the screening bucket, the plug-in slots, the plug-in blocks and the baffle, it is convenient to process the unqualified sand inside the screening bucket after screening the sand, thereby improving the applicability of the sand screening device for construction.

[0012] Preferably, the bottoms of the first screening box and the second screening box are fixedly connected to two corresponding base frames, and the top of the first screening box is fixedly connected to a feed hopper. Through the mutual cooperation of the first screening box, the base frame and the second screening box, the sand screening device for construction can be conveniently moved.

[0013] Advantages of the utility model:

[0014] 1. The utility model, through the cooperation of the second screening box, the second chute, the second reciprocating screw, the second slider, the second servo motor, the transmission wheel, the toothed transmission belt and the screening bucket, can drive the screening bucket to move back and forth quickly inside the second screening box, and then shake the agglomerated sand inside the screening bucket to make it collide with the baffle bar arranged inside the screening bucket, so as to break up the agglomerated sand, thereby further screening the sand, thereby improving the screening efficiency of the sand screening device for construction.

[0015] 2. The utility model, through the mutual cooperation of the first rotating shaft, the first screening plate, the first connecting block, the first connecting shaft, the first connecting rod, the second connecting shaft, the second connecting block, the first slide groove, the first reciprocating screw rod, the first slider and the first servo motor, can drive the first screening plate to continuously vibrate inside the first screening box, so as to screen the sand on the top of the first screening plate, and at the same time, the agglomerated sand can be discharged into the inside of the screening bucket, thereby improving the screening efficiency of the sand screening device for construction through multiple screening. Description of the drawings:

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic structural diagram of a sand screening device for construction according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a first screening box of a sand screening device for construction according to an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the expansion of a first connecting rod of a sand screening device for construction according to an embodiment of the utility model;

[0020] Figure 4 This is a schematic structural diagram of a second reciprocating sliding mechanism of a sand screening device for construction according to an embodiment of the utility model;

[0021] Figure 5 The present invention is a schematic diagram of the expansion of a screening bucket of a sand screening device for construction according to an embodiment of the present invention.

[0022] In the figure: 1. first screening box; 2. base frame; 3. second screening box; 4. first rotating shaft; 5. first screening plate; 6. first connecting block; 7. first connecting shaft; 8. first connecting rod; 9. second connecting shaft; 10. second connecting block; 11. first slide; 12. first reciprocating screw rod; 13. first slider; 14. first servo motor; 15. feed hopper; 16. second slide; 17. second reciprocating screw rod; 18. second slider; 19. second servo motor; 20. transmission wheel; 21. toothed transmission belt; 22. screening bucket; 23. plug-in slot; 24. plug-in block; 25. baffle. Specific implementation method:

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 5 The utility model provides a technical solution: a sand screening device for construction, comprising a first screening box 1, a second screening box 3 is fixedly connected to one side of the first screening box 1, two corresponding second chutes 16 are provided inside the second screening box 3, a second reciprocating sliding mechanism is provided inside the second chutes 16, a screening bucket 22 is fixedly connected between the two second reciprocating sliding mechanisms, the screening bucket 22 is slidably connected to the inside of the second screening box 3, a first rotating shaft 4 is rotatably connected inside the first screening box 1, a first screening plate 5 is fixedly connected to the outside of the first rotating shaft 4 and located inside the first screening box 1, a first chute 11 is provided inside the first screening box 1, and a first reciprocating sliding mechanism is provided inside the first chute 11;

[0025] The first reciprocating sliding mechanism includes a first reciprocating screw rod 12 and a first sliding block 13. The first reciprocating screw rod 12 is rotatably connected to the inside of the first sliding groove 11. The first sliding block 13 is slidably connected to the inside of the first sliding groove 11. The first reciprocating screw rod 12 passes through the first sliding block 13 and is threadedly connected thereto. The second connecting block 10 can be driven to move through the first reciprocating sliding mechanism, and then the first connecting rod 8 can be driven to move. The first connecting block 6 is pushed upward by the rotation limit, and then the first screening plate 5 is driven to rotate inside the first screening box 1, so that the sand on the top of the first screening plate 5 is shaken to screen the sand, thereby improving the screening efficiency of the sand screening device for construction. A first servo motor 14 is fixedly installed inside the first screening box 1, and the output end of the first servo motor 14 is fixedly connected to the first reciprocating screw rod 12. The first servo motor 14 and the first reciprocating screw rod 12 cooperate with each other to ensure the normal operation of the first reciprocating sliding mechanism.

[0026] The top of the first slider 13 is fixedly connected with the second connecting block 10, the interior of the second connecting block 10 is fixedly connected with the second connecting shaft 9, the outer side of the second connecting shaft 9 is rotatably connected with the first connecting block 6, one side of the first screening plate 5 is fixedly connected with the first connecting block 6, the interior of the first connecting block 6 is fixedly connected with the first connecting shaft 7, and the other end of the first connecting rod 8 is rotatably connected to the outer side of the first connecting shaft 7. Through the mutual cooperation of the first connecting block 6, the first connecting shaft 7, the first connecting rod 8, the second connecting shaft 9 and the second connecting block 10, the first screening plate 5 and the first reciprocating sliding mechanism can be cooperated to perform preliminary screening of sand. When in use, the first servo motor 14 is started to drive the first reciprocating screw 12 to rotate, and then the first slider 13 is driven to slide back and forth inside the first slide groove 11, and then the second connecting block 10 is driven to reciprocate, and then the first connecting rod 8 is driven to reciprocate, and the first connecting block 6 is pushed to reciprocate up and down through the rotation limit, and then the first screening plate 5 is driven to shake inside the first screening box 1, so as to screen the sand on the top of the first screening plate 5;

[0027] The second reciprocating sliding mechanism includes a second slider 18 and a second reciprocating screw 17. The second reciprocating screw 17 is rotatably connected to the inside of the second slide groove 16. The second slider 18 is slidably connected to the inside of the second slide groove 16. The second reciprocating screw 17 penetrates the second slider 18 and is threadedly connected thereto. The screening bucket 22 is fixedly connected between the two second sliders 18. The second reciprocating sliding mechanism can drive the screening bucket 22 to move back and forth quickly inside the second screening box 3, and then the agglomerated sand inside the screening bucket 22 is shaken to make it collide with the baffle rod provided inside the screening bucket 22, thereby breaking up the agglomerated sand and further screening the sand.

[0028] One end of the second reciprocating screw rod 17 is fixedly connected to a transmission wheel 20, a toothed transmission belt 21 is arranged between the two transmission wheels 20, a second servo motor 19 is fixedly installed inside the second screening box 3, and the output end of the second servo motor 19 is fixedly connected to the second reciprocating screw rod 17. The normal operation of the second reciprocating sliding mechanism can be ensured by the mutual cooperation of the second reciprocating screw rod 17, the second servo motor 19, the transmission wheel 20 and the toothed transmission belt 21. When in use, the second servo motor 19 is started to drive one of the second reciprocating screw rods 17 to rotate, and then drive one of the transmission wheels 20 to rotate, and then the toothed transmission belt 21 is driven to rotate. The driving belt 21 runs, and then drives another transmission wheel 20 to rotate, and then drives another transmission wheel 20 to rotate, and then drives another second reciprocating screw rod 17 to rotate, and then drives the two second sliders 18 to slide back and forth quickly inside the second slide slot 16, and then drives the screening bucket 22 to slide back and forth quickly inside the second screening box 3, so as to shake the agglomerated sand inside the screening bucket 22, so that it collides with a plurality of baffles provided inside the screening bucket 22, so as to break up the agglomerated sand, thereby further screening the sand, and improving the screening efficiency of the sand screening device for construction;

[0029] A plurality of plug-in slots 23 are provided inside the screening bucket 22, and plug-in blocks 24 are plugged inside the plug-in slots 23, and a baffle 25 is fixedly connected between two plug-in blocks 24. Through the mutual cooperation of the screening bucket 22, the plug-in slots 23, the plug-in blocks 24 and the baffle 25, it is convenient to process the unqualified sand inside the screening bucket 22 after the sand is screened, thereby improving the applicability of the sand screening device for construction. The bottoms of the first screening box 1 and the second screening box 3 are fixedly connected to two corresponding base frames 2, and the top of the first screening box 1 is fixedly connected to the feed hopper 15. Through the mutual cooperation of the first screening box 1, the base frame 2 and the second screening box 3, the sand screening device for construction is convenient to move.

[0030] In summary, when the sand screening device for construction is used, the staff first feeds the sand to the top of the first screening plate 5 through the feed hopper 15, and then starts the first servo motor 14 to drive the first reciprocating screw 12 to rotate, and then drives the first sliding block 13 to slide back and forth inside the first slide groove 11, and then drives the second connecting block 10 to move back and forth, and then drives the first connecting rod 8 to move back and forth, and pushes the first connecting block 6 to move up and down through the rotation limit, and then drives the first screening plate 5 to shake inside the first screening box 1, so as to screen the sand on the top of the first screening plate 5, and at the same time feeds the agglomerated sand to the inside of the screening bucket 22, and then starts the second servo motor 19 to drive one of the second reciprocating screw rods 17 to rotate, and then drives one of the transmission wheels 20 to rotate, and then drives The toothed transmission belt 21 runs, and then drives another transmission wheel 20 to rotate, and then drives another transmission wheel 20 to rotate, and then drives another second reciprocating screw rod 17 to rotate, and then drives the two second sliders 18 to slide back and forth quickly inside the second slide groove 16, and then drives the screening bucket 22 to slide back and forth quickly inside the second screening box 3, thereby shaking the agglomerated sand inside the screening bucket 22, causing it to collide with multiple baffle bars set inside the screening bucket 22, thereby breaking up the agglomerated sand, and further screening the sand. After screening the sand, manually pull the two baffles 25, and then pull out the two plug-in blocks 24 from the inside of the plug-in slot 23 to release the limit on both sides of the screening bucket 22, thereby facilitating the processing of unqualified sand and debris inside the screening bucket 22.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sand screening device for construction, comprising a first screening box (1), characterized in that: A second screening box (3) is fixedly connected to one side of the first screening box (1), two corresponding second slide grooves (16) are provided inside the second screening box (3), a second reciprocating sliding mechanism is arranged inside the second slide groove (16), a screening bucket (22) is fixedly connected between the two second reciprocating sliding mechanisms, the screening bucket (22) is slidably connected to the inside of the second screening box (3), a first rotating shaft (4) is rotatably connected inside the first screening box (1), a first screening plate (5) is fixedly connected to the outside of the first rotating shaft (4) and located inside the first screening box (1), a first slide groove (11) is provided inside the first screening box (1), and a first reciprocating sliding mechanism is arranged inside the first slide groove (11).

2. A sand screening device for construction according to claim 1, characterized in that: The first reciprocating sliding mechanism comprises a first reciprocating screw (12) and a first sliding block (13); the first reciprocating screw (12) is rotatably connected to the inside of the first sliding groove (11); the first sliding block (13) is slidably connected to the inside of the first sliding groove (11); the first reciprocating screw (12) passes through the first sliding block (13) and is threadedly connected to the first sliding block (13).

3. A sand screening device for construction according to claim 2, characterized in that: A first servo motor (14) is fixedly installed inside the first screening box (1), and an output end of the first servo motor (14) is fixedly connected to the first reciprocating screw rod (12).

4. A sand screening device for construction according to claim 2, characterized in that: The top of the first sliding block (13) is fixedly connected to a second connecting block (10), the interior of the second connecting block (10) is fixedly connected to a second connecting shaft (9), the outer side of the second connecting shaft (9) is rotatably connected to a first connecting rod (8), one side of the first screening plate (5) is fixedly connected to a first connecting block (6), the interior of the first connecting block (6) is fixedly connected to a first connecting shaft (7), and the other end of the first connecting rod (8) is rotatably connected to the outer side of the first connecting shaft (7).

5. A sand screening device for construction according to claim 1, characterized in that: The second reciprocating sliding mechanism comprises a second slider (18) and a second reciprocating screw (17). The second reciprocating screw (17) is rotatably connected to the inside of the second slide groove (16). The second slider (18) is slidably connected to the inside of the second slide groove (16). The second reciprocating screw (17) passes through the second slider (18) and is threadedly connected to the second slider. The screening bucket (22) is fixedly connected between the two second sliders (18).

6. A sand screening device for construction according to claim 5, characterized in that: One end of the second reciprocating screw rod (17) is fixedly connected to a transmission wheel (20), a toothed transmission belt (21) is arranged between the two transmission wheels (20), a second servo motor (19) is fixedly installed inside the second screening box (3), and an output end of the second servo motor (19) is fixedly connected to the second reciprocating screw rod (17).

7. A sand screening device for construction according to claim 1, characterized in that: A plurality of plug-in slots (23) are provided inside the screening bucket (22), plug-in blocks (24) are plugged into the plug-in slots (23), and a baffle (25) is fixedly connected between two of the plug-in blocks (24).

8. A sand screening device for construction according to claim 1, characterized in that: Two corresponding bottom frames (2) are fixedly connected to the bottom of the first screening box (1) and the second screening box (3), and a feed hopper (15) is fixedly connected to the top of the first screening box (1).

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