Gravel sorting machine

Abstract

The utility model provides a sandstone sorting machine, belongs to the technical field of sandstone sorting, and aims to solve the problems that according to an existing sandstone sorting machine, due to the fact that gaps of screen meshes are fixed, when sandstone of different specifications needs to be sorted, different devices or different screen meshes need to be replaced, and due to the fact that the screen meshes are usually connected through bolts or welded, the screen meshes cannot be replaced. The device comprises a support, and the support is fixedly connected to the upper end face of a base; the multiple sliding frames are connected to the inner side of the upper end of the support in a sliding mode. The lower ends of the multiple compression springs are fixedly connected to the upper end face of the support, and the upper ends of the multiple compression springs are fixedly connected to the lower end faces of the multiple sliding frames correspondingly. The screening hopper is fixedly connected to the inner sides of the multiple sliding frames; through the arrangement of the adjusting device, the distance between the adjusting rods is adjusted, the adaptability is improved, the operation is simple, the working efficiency is improved, and the labor intensity is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of sand and gravel sorting, and more specifically, particularly relates to a sand and gravel sorting machine. Background Art

[0002] In civil engineering, sand and gravel are often used as high-quality building materials due to their good hardness and stable chemical properties. During the construction process, sand and gravel usually need to be sorted and filtered. In the process of sorting sand and gravel, most people use sand and gravel sorting machines.

[0003] According to the application number: CN202222372032.7, a sand and gravel screening device disclosed includes a base, a fixed frame, and a screening plate. The top of the base is equipped with vertically arranged support columns all around. The support columns are provided with an insertion cavity and a telescopic rod inserted into the insertion cavity. The support columns are provided with a first locking member for locking the telescopic rod. The fixed frame is installed on a plurality of telescopic rods. An elastic member is detachably connected to the fixed frame. A screening plate is installed on the elastic member. The top of the screening plate is arranged as an inclined surface. A cavity is provided in the screening plate and a discharge port connected to the cavity is provided on one side of the screening plate. An opening connected to the cavity is provided on the top of the screening plate, and a screen is installed at the opening. A vibrating member is installed at the bottom of the screening plate. The utility model proposes a sand and gravel screening device, which solves the problem that it is inconvenient to disassemble and carry the screening device.

[0004] Based on the above, the existing sand and gravel sorting machine has a fixed gap in the screen. When it is necessary to sort sand and gravel of different specifications, it is usually necessary to replace different equipment or different screens. Since the screen is usually connected by bolts or welding, the replacement process is relatively cumbersome, affecting work efficiency. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a sand and gravel sorting machine to solve the problem that the existing sand and gravel sorting machine has a fixed gap in the screen. When it is necessary to sort sand and gravel of different specifications, it is usually necessary to replace different equipment or different screens. Since the screen is usually connected by bolts or welding, the replacement process is relatively cumbersome, affecting work efficiency.

[0006] The purpose and effect of the sand and gravel separator of this utility model are achieved by the following specific technical means:

[0007] A sand and gravel sorting machine comprises a base, a bracket, a sliding frame, a compression spring, a screen bucket, a vibration motor, a fixed shaft, an eccentric wheel, an adjustment mechanism and an extrusion mechanism; the bracket is fixedly connected to the upper end surface of the base; there are multiple sliding frames, and the multiple sliding frames are slidably connected to the inner side of the upper end of the bracket; there are multiple compression springs, and the lower ends of the multiple compression springs are fixedly connected to the upper end surface of the bracket, and the upper ends of the multiple compression springs are respectively fixedly connected to the lower end surfaces of the multiple sliding frames; the screen bucket is fixedly connected to the inner sides of the multiple sliding frames; the vibration motor is fixedly installed on the outer side of the screen bucket; the fixed shaft is fixedly connected to the right end of the vibration motor rotating shaft; there are two eccentric wheels, and the two eccentric wheels are fixedly connected to the outer side of the fixed shaft; the adjustment mechanism is arranged on the inner side of the screen bucket; the extrusion mechanism is arranged on the inner side of the screen bucket.

[0008] Furthermore, the adjustment mechanism includes: a fixed rod, an adjusting rod, a baffle and a fixed block; there are multiple fixed rods, and the multiple fixed rods are fixedly connected to the inner side of the screen bucket; there are multiple adjusting rods, and the multiple adjusting rods are slidably connected to the inner side of the screen bucket, and the adjusting rod is slidably connected to the fixed rod; there are two baffles, and the two baffles are respectively hinged on the inner sides of the left and right adjusting rods; there are two groups of fixed blocks, and the two groups of fixed blocks are fixedly connected to the inner side of the screen bucket, and the two groups of fixed blocks are respectively slidably connected to the two baffles.

[0009] Furthermore, the adjusting mechanism also includes: a fixing nut, a bidirectional screw rod, a sprocket, a chain and an adjusting motor; the fixing nut is provided with two groups, and the two groups of fixing nuts are respectively fixedly connected to the outer sides of the left and right adjusting rods; the bidirectional screw rod is provided with two, and the two bidirectional screw rods are rotatably connected to the inner side of the screen bucket, and the two bidirectional screw rods are respectively threadedly connected to the two groups of fixing nuts; the sprocket is provided with two, and the two sprockets are respectively fixedly connected to the outer sides of the two bidirectional screw rods; the chain is covered on the outer sides of the two sprockets; the adjusting motor is fixedly installed on the outer side of the screen bucket, and the rotating shaft of the adjusting motor is fixedly connected to the upper sprocket.

[0010] Furthermore, the adjustment mechanism also includes: a fixed cylinder and a telescopic shaft; the fixed cylinder is provided in plurality, and the plurality of fixed cylinders are respectively fixedly connected to the outsides of the plurality of adjustment rods; the telescopic shaft is provided in plurality, and the plurality of telescopic shafts are respectively fixedly connected to the outsides of the plurality of adjustment rods, and the plurality of telescopic shafts are respectively slidably connected to the plurality of fixed cylinders.

[0011] Furthermore, the extrusion mechanism includes: a square shaft, an extrusion piece and an extrusion shell; the square shaft is rotatably connected to the inner side of the screen bucket; there are multiple extrusion pieces, and the multiple extrusion pieces are slidably connected to the outer side of the square shaft; there are multiple extrusion shells, and the multiple extrusion shells are slidably connected to the outer side of the square shaft, and the multiple extrusion pieces are slidably connected to the multiple extrusion shells respectively.

[0012] Furthermore, the extrusion mechanism also includes: a fixed gear, a connecting block, a fixed rack, a reciprocating screw and a driving motor; the fixed gear is fixedly connected to the outside of the square shaft; the connecting block is rotatably connected to the outside of the fixed gear; the fixed rack is fixedly connected to the outside of the screen bucket, and the fixed rack is meshed with the fixed gear; the reciprocating screw is rotatably connected to the outside of the screen bucket, and the reciprocating screw is threadedly connected to the connecting block; the driving motor is fixedly installed on the outside of the screen bucket, and the driving motor shaft is fixedly connected to the reciprocating screw.

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

[0014] The utility model realizes the adjustment of the spacing between the adjusting rods through the setting of the adjusting mechanism. When the adjusting motor is started, the bidirectional screw rod is driven to rotate through the sprocket and the chain. The rotation of the bidirectional screw rod drives the adjusting rod to slide under the action of the threaded connection with the fixing nut, and the spacing between the adjusting rods is changed to adapt to the sand and gravel sorting of different specifications, thereby improving adaptability, simple operation, improved work efficiency, and reduced labor intensity. Through the setting of the extrusion mechanism, the stones stuck in the gap between the adjusting rod and the fixing rod are cleaned. Through the starting of the driving motor, the reciprocating screw rod is driven to rotate. The rotation of the reciprocating screw rod drives the fixed gear to slide through the threaded connection with the connecting block. The sliding of the fixed gear drives the square rod to rotate through the meshing with the fixed rack, so that the square rod drives the extrusion piece and the extrusion shell to roll, and the stones stuck in the gap between the adjusting rod and the fixing rod are cleaned, thereby improving the sorting efficiency. Through the setting of the above-mentioned mechanism, the adjustment of the spacing between the adjusting rods is realized, thereby improving adaptability, simple operation, improved work efficiency, reduced labor intensity, and the cleaning of the stones stuck in the gap between the adjusting rod and the fixing rod is realized, thereby improving the sorting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the main body of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the cross-section of the main body of the utility model.

[0017] Figure 3 It is a structural schematic diagram of a bidirectional screw rod of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the fixing cylinder of the utility model.

[0019] Figure 5 This utility model Figure 1 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0020] Figure 6 It is a structural schematic diagram of the fixed rack of the utility model.

[0021] Figure 7 It is a structural schematic diagram of the fixed gear of the utility model.

[0022] Figure 8 It is a structural schematic diagram of a cross-section of an extruded shell of the utility model.

[0023] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0024] 1. Base; 2. Bracket; 3. Sliding frame; 4. Compression spring; 5. Screen bucket; 6. Vibration motor; 7. Fixed shaft; 8. Eccentric wheel; 9. Fixed rod; 10. Adjustment rod; 11. Baffle; 12. Fixed block; 13. Fixed nut; 14. Bidirectional screw; 15. Sprocket; 16. Chain; 17. Adjustment motor; 18. Fixed cylinder; 19. Telescopic shaft; 20. Square shaft; 21. Extrusion piece; 22. Extrusion shell; 23. Fixed gear; 24. Connecting block; 25. Fixed rack; 26. Reciprocating screw; 27. Driving motor. DETAILED DESCRIPTION

[0025] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0026] Embodiment 1:

[0027] As attached Figure 1-Figure 5 As shown:

[0028] The utility model provides a sand and stone sorting machine, comprising a base 1, a bracket 2, a sliding frame 3, a compression spring 4, a screen bucket 5, a vibration motor 6, a fixed shaft 7, an eccentric wheel 8 and an adjusting mechanism; the bracket 2 is fixedly connected to the upper end surface of the base 1; a plurality of sliding frames 3 are provided, and the plurality of sliding frames 3 are all slidably connected to the inner side of the upper end of the bracket 2; a plurality of compression springs 4 are provided, and the lower ends of the plurality of compression springs 4 are all fixedly connected to the upper end surface of the bracket 2, and the upper ends of the plurality of compression springs 4 are respectively fixedly connected to the lower end surfaces of the plurality of sliding frames 3; the screen bucket 5 is fixedly connected to the inner sides of the plurality of sliding frames 3; the vibration motor 6 is fixedly installed on the outer side of the screen bucket 5; the fixed shaft 7 is fixedly connected to the right end of the rotating shaft of the vibration motor 6; two eccentric wheels 8 are provided, and the two eccentric wheels 8 are fixedly connected to the outer side of the fixed shaft 7; the adjusting mechanism is arranged on the inner side of the screen bucket 5.

[0029] Among them, the adjustment mechanism includes: a fixed rod 9, an adjusting rod 10, a baffle 11, a fixed block 12, a fixed nut 13, a bidirectional screw rod 14, a sprocket 15, a chain 16, an adjustment motor 17, a fixed cylinder 18 and a telescopic shaft 19; there are multiple fixed rods 9, and the multiple fixed rods 9 are fixedly connected to the inner side of the screen bucket 5; there are multiple adjusting rods 10, and the multiple adjusting rods 10 are slidably connected to the inner side of the screen bucket 5, and the adjusting rod 10 is slidably connected to the fixed rod 9; there are two baffles 11, and the two baffles 11 are respectively hinged on the inner sides of the left and right adjusting rods 10; there are two groups of fixed blocks 12, and the two groups of fixed blocks 12 are fixedly connected to the inner side of the screen bucket 5, and the two groups of fixed blocks 12 are respectively slidably connected to the two baffles 11; there are two groups of fixing nuts 13, and the two groups of fixing nuts 13 are respectively fixed The two bidirectional screw rods 14 are respectively connected to the outer sides of the left and right adjusting rods 10; there are two bidirectional screw rods 14, which are rotatably connected to the inner side of the screen bucket 5, and the two bidirectional screw rods 14 are respectively threadedly connected to the two sets of fixing nuts 13; there are two sprocket wheels 15, which are respectively fixedly connected to the outer sides of the two bidirectional screw rods 14; the chain 16 is covered on the outer sides of the two sprocket wheels 15; the adjusting motor 17 is fixedly installed on the outer side of the screen bucket 5, and the rotating shaft of the adjusting motor 17 is fixedly connected to the upper end sprocket wheel 15; there are multiple fixed cylinders 18, and the multiple fixed cylinders 18 are respectively fixedly connected to the outer sides of the multiple adjusting rods 10; there are multiple telescopic shafts 19, which are respectively fixedly connected to the outer sides of the multiple adjusting rods 10, and the multiple telescopic shafts 19 are respectively slidably connected to the multiple fixed cylinders 18.

[0030] The specific usage and function of this embodiment are as follows: by starting the adjusting motor 17, the adjusting motor 17 will drive the bidirectional screw rod 14 to rotate through the sprocket 15 and the chain 16. The rotation of the bidirectional screw rod 14 will drive the adjusting rods 10 on both sides to slide inward through the threaded connection with the fixing nut 13. The setting of the fixing tube 18 and the telescopic shaft 19 can limit the distance between the adjusting rods 10. By reducing the distance between the adjusting rods 10, sand and gravel of different specifications can be sorted. By setting the baffle 11, when the adjusting rod 10 shrinks inward, the gaps left on both sides can be blocked.

[0031] Embodiment 2:

[0032] On the basis of the first embodiment, Figure 6-Figure 8As shown, the extrusion mechanism includes: a square shaft 20, an extrusion piece 21, an extrusion shell 22, a fixed gear 23, a connecting block 24, a fixed rack 25, a reciprocating screw 26 and a driving motor 27; the extrusion mechanism is arranged on the inner side of the screen bucket 5; the square shaft 20 is rotatably connected to the inner side of the screen bucket 5; a plurality of extrusion pieces 21 are provided, and the plurality of extrusion pieces 21 are slidably connected to the outer side of the square shaft 20; a plurality of extrusion shells 22 are provided, and the plurality of extrusion shells 22 are slidably connected to the outer side of the square shaft 20, and the plurality of extrusion pieces 21 are provided. They are respectively slidably connected to multiple extrusion shells 22; the fixed gear 23 is fixedly connected to the outside of the square shaft 20; the connecting block 24 is rotatably connected to the outside of the fixed gear 23; the fixed rack 25 is fixedly connected to the outside of the screen bucket 5, and the fixed rack 25 is meshed with the fixed gear 23; the reciprocating screw 26 is rotatably connected to the outside of the screen bucket 5, and the reciprocating screw 26 is threadedly connected to the connecting block 24; the driving motor 27 is fixedly installed on the outside of the screen bucket 5, and the rotating shaft of the driving motor 27 is fixedly connected to the reciprocating screw 26.

[0033] The specific usage and function of this embodiment are as follows: when the drive motor 27 is started, the drive motor 27 will drive the reciprocating screw 26 to rotate. The rotation of the reciprocating screw 26 will slide back and forth under the action of the threaded connection with the connecting block 24. The sliding of the connecting block 24 will drive the fixed gear 23 to slide. The sliding of the fixed gear 23 will drive the extrusion member 21 and the extrusion shell 22 to rotate through the square shaft 20 under the action of meshing with the fixed rack 25, thereby squeezing out the sand and gravel stuck between the fixed rod 9 and the adjusting rod 10.

Claims

1. A sand and gravel separator, comprising a base (1), a bracket (2), a sliding frame (3), a compression spring (4), a screen bucket (5), a vibration motor (6), a fixed shaft (7), an eccentric wheel (8), an adjustment mechanism and an extrusion mechanism; the bracket (2) is fixedly connected to the upper end surface of the base (1); a plurality of sliding frames (3) are provided, and the plurality of sliding frames (3) are all slidably connected to the inner side of the upper end of the bracket (2); a plurality of compression springs (4) are provided, and the lower ends of the plurality of compression springs (4) are all fixedly connected to the upper end surface of the bracket (2), and the upper ends of the plurality of compression springs (4) are respectively fixedly connected to the lower end surfaces of the plurality of sliding frames (3); the characteristics are: The sieve bucket (5) is fixedly connected to the inner side of a plurality of sliding frames (3); the vibration motor (6) is fixedly installed on the outer side of the sieve bucket (5); the fixed shaft (7) is fixedly connected to the right end of the rotating shaft of the vibration motor (6); two eccentric wheels (8) are provided, and both eccentric wheels (8) are fixedly connected to the outer side of the fixed shaft (7); the adjustment mechanism is arranged on the inner side of the sieve bucket (5); and the squeezing mechanism is arranged on the inner side of the sieve bucket (5).

2. The sand and gravel separator according to claim 1, characterized in that: The adjustment mechanism comprises: a fixed rod (9), an adjustment rod (10), a baffle (11) and a fixed block (12); the fixed rod (9) is provided in plurality, and the plurality of fixed rods (9) are fixedly connected to the inner side of the sieve bucket (5); the adjustment rod (10) is provided in plurality, and the plurality of adjustment rods (10) are slidably connected to the inner side of the sieve bucket (5), and the adjustment rod (10) is slidably connected to the fixed rod (9); the baffle (11) is provided in two portions, and the two baffles (11) are respectively hinged to the inner sides of the adjustment rods (10) on the left and right sides; the fixed block (12) is provided in two groups, and the two groups of fixed blocks (12) are fixedly connected to the inner side of the sieve bucket (5), and the two groups of fixed blocks (12) are respectively slidably connected to the two baffles (11).

3. The sand and gravel separator according to claim 2, characterized in that: The adjusting mechanism further comprises: a fixing nut (13), a bidirectional screw rod (14), a sprocket (15), a chain (16) and an adjusting motor (17); the fixing nut (13) is provided with two groups, and the two groups of fixing nuts (13) are respectively fixedly connected to the outer sides of the adjusting rods (10) on the left and right sides; the bidirectional screw rods (14) are provided with two, and the two bidirectional screw rods (14) are both rotatably connected to the inner side of the sieve bucket (5), and the two bidirectional screw rods (14) are respectively threadedly connected to the two groups of fixing nuts (13); the sprocket (15) is provided with two, and the two sprockets (15) are respectively fixedly connected to the outer sides of the two bidirectional screw rods (14); the chain (16) is covered on the outer sides of the two sprockets (15); the adjusting motor (17) is fixedly installed on the outer side of the sieve bucket (5), and the rotating shaft of the adjusting motor (17) is fixedly connected to the upper end sprocket (15).

4. The sand and gravel separator according to claim 1, characterized in that: The adjustment mechanism further comprises: a fixed cylinder (18) and a telescopic shaft (19); the fixed cylinder (18) is provided in plurality, and the plurality of fixed cylinders (18) are respectively fixedly connected to the outside of the plurality of adjustment rods (10); the telescopic shaft (19) is provided in plurality, and the plurality of telescopic shafts (19) are respectively fixedly connected to the outside of the plurality of adjustment rods (10), and the plurality of telescopic shafts (19) are respectively slidably connected to the plurality of fixed cylinders (18).

5. The sand and gravel separator according to claim 4, characterized in that: The extrusion mechanism comprises: a square shaft (20), an extrusion piece (21) and an extrusion shell (22); the square shaft (20) is rotatably connected to the inner side of the sieve bucket (5); a plurality of the extrusion pieces (21) are provided, and the plurality of extrusion pieces (21) are all slidably connected to the outer side of the square shaft (20); a plurality of the extrusion shells (22) are provided, and the plurality of extrusion shells (22) are all slidably connected to the outer side of the square shaft (20), and the plurality of extrusion pieces (21) are respectively slidably connected to the plurality of extrusion shells (22).

6. The sand and gravel separator according to claim 5, characterized in that: The extrusion mechanism further comprises: a fixed gear (23), a connecting block (24), a fixed rack (25), a reciprocating screw (26) and a driving motor (27); the fixed gear (23) is fixedly connected to the outside of the square shaft (20); the connecting block (24) is rotatably connected to the outside of the fixed gear (23); the fixed rack (25) is fixedly connected to the outside of the sieve bucket (5), and the fixed rack (25) is meshed with the fixed gear (23); the reciprocating screw (26) is rotatably connected to the outside of the sieve bucket (5), and the reciprocating screw (26) is threadedly connected to the connecting block (24); the driving motor (27) is fixedly installed on the outside of the sieve bucket (5), and the rotating shaft of the driving motor (27) is fixedly connected to the reciprocating screw (26).

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