Sand screening machine for building materials

Abstract

The utility model relates to the technical field of sand screening machines, and discloses a sand screening machine for building materials, which comprises a supporting frame, supporting legs are fixedly connected to four corners of the bottom of the supporting frame, the upper end of the supporting frame is fixedly connected with the same screening frame through a plurality of connecting springs, and a porous screening plate is arranged at the bottom of the screening frame. A vibrating motor is fixedly installed on the outer wall of the screening frame, a bearing plate is clamped to the four supporting legs, the upper end of the bearing plate is fixedly connected with the same fixing plate through a plurality of L-shaped fixing rods, a plurality of inserting holes are evenly formed in the surface of the fixing plate, and cleaning rods are movably inserted into the corresponding inserting holes in a sleeved mode. The lower ends of the multiple cleaning rods are fixedly connected with the same reciprocating plate. According to the device, the screen holes of the porous screen plate can be rapidly cleaned, manual cleaning of hole sites one by one is not needed, the cleaning efficiency and quality are guaranteed, and use is convenient.

Description

Technical Field

[0001] The present application belongs to the technical field of sand screening machines, and in particular, relates to a sand screening machine for building materials. Background Art

[0002] Sand screening machine is a kind of professional equipment specially used for screening raw materials such as stone, sand, ore, etc. It can screen the raw materials under different sieve hole sizes.

[0003] After the sand screening machine has been used for a period of time, the sieve holes will be clogged by impurities during the sand screening process, hindering the sand screening effect. It is necessary to manually lift up the sieve holes to clean them. There are many sieve holes, and the efficiency of cleaning them one by one is very low, affecting the cleaning operation. Utility Model Content

[0004] The utility model aims to solve the above-mentioned problems and provides a sand screening machine for building materials.

[0005] In order to achieve the above purpose, this application adopts the following technical solutions:

[0006] A sand screening machine for building materials comprises a support frame, wherein four corners of the bottom of the support frame are fixedly connected with supporting legs, the upper end of the support frame is fixedly connected with the same screening frame through a plurality of connecting springs, the bottom of the screening frame is set as a porous screening plate, the outer wall of the screening frame is fixedly provided with a vibration motor, a supporting plate is clamped on the four supporting legs, the upper end of the supporting plate is fixedly connected with the same fixing plate through a plurality of L-shaped fixing rods, a plurality of insertion holes are evenly opened on the surface of the fixing plate, and cleaning rods are movably inserted in the corresponding insertion holes, the lower ends of the plurality of cleaning rods are fixedly connected with the same reciprocating plate, the upper end of the reciprocating plate and the lower end of the fixing plate are fixedly connected with a plurality of reset springs sleeved on the outside of the cleaning rods, a plurality of reciprocating electromagnetic plates are fixedly installed on the upper end of the supporting plate, and a plurality of reciprocating permanent magnetic plates corresponding to the positions of the reciprocating electromagnetic plates are fixedly installed on the lower end of the reciprocating plate.

[0007] Preferably, the upper end of the cleaning rod is configured as a pointed structure.

[0008] Preferably, the side walls at the four corners of the support plate are provided with multiple sockets, and push-pull rods are movably inserted in the corresponding sockets, the inner wall of the support plate is provided with an active cavity for one end of the push-pull rod to extend into, one end of the multiple push-pull rods extend into the active cavity and are fixedly connected with the same push-pull plate, the inner wall of the support plate corresponding to the active cavity is fixedly connected with an attraction electromagnetic plate, the side wall of the push-pull plate is fixedly connected with an attraction permanent magnet plate, the outer ends of the multiple push-pull rods are fixedly connected with the same U-shaped clamping plate, the U-shaped clamping plate and the support plate are fixedly connected on the opposite side with multiple squeezing springs mounted outside the push-pull rods, the U-shaped clamping plate is clamped outside the support leg, and the outer wall of the support leg is fixedly connected with two limit baffles symmetrically arranged above and below the U-shaped clamping plate.

[0009] Preferably, the upper end of the supporting plate and the lower end of the reciprocating plate are fixedly connected with an elastic folded insulating rubber sleeve covering the reciprocating electromagnetic plate and the reciprocating permanent magnetic plate.

[0010] Preferably, the inner wall of the vertical portion of the screening frame is configured as an inclined structure.

[0011] Preferably, a layer of anti-slip damping rubber pad is fixedly connected to the inner wall of the U-shaped fixing plate.

[0012] Compared with the prior art, the present application provides a sand screening machine for building materials, which has the following beneficial effects:

[0013] The sand screening machine for building materials is provided with a screening frame and a porous mesh plate. When screening sand, sand and gravel are poured into the screening frame, and the vibration motor is started. The screening frame is vibrated at a high speed under the connection of multiple connecting springs, and then the sand screening operation is performed through the porous mesh plate. When the porous mesh plate needs to be cleaned after a period of use, power is first supplied to the suction electromagnetic plate, and the suction electromagnetic plate is energized to generate magnetism, and the suction permanent magnetic plate is cooperated with to pull back the push-pull plate, and then the push-pull rod is cooperated to drive the U-shaped clamping plate to move back, and the supporting plate is placed between the four legs, and then Cut off the power supply to the suction electromagnetic plate, and under the action of the squeezing spring, the U-shaped clamping plate is clamped outside the support leg, so that the U-shaped clamping plate is clamped between the two limit baffles to achieve a stable clamping of the entire supporting plate, and then an alternating power supply is introduced into the reciprocating electromagnetic plate to make the reciprocating electromagnetic plate produce constantly changing magnetism, and cooperate with the reciprocating permanent magnet plate to push the reciprocating plate and the cleaning rod to move up and down to clean the sieve holes of the porous mesh plate. There is no need to manually clean the holes one by one, which ensures the cleaning efficiency and quality and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a sand screening machine for building materials proposed in this application;

[0015] Figure 2 This is a partially enlarged structural schematic diagram of a sand screening machine for building materials proposed in this application.

[0016] In the figure: 1. Support frame; 2. Support legs; 3. Connecting spring; 4. Screen frame; 5. Perforated screen plate; 6. Vibrating motor; 7. Support plate; 8. L-shaped fixing rod; 9. Fixing plate; 10. Cleaning rod; 11. Reciprocating plate; 12. Reset spring; 13. Reciprocating electromagnetic plate; 14. Reciprocating permanent magnetic plate; 15. Push-pull rod; 16. Movable cavity; 17. Push-pull plate; 18. Suction electromagnetic plate; 19. Suction permanent magnetic plate; 20. U-shaped fixing plate; 21. Push spring; 22. Limit baffle. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0018] Reference Figure 1-2 A sand screening machine for building materials comprises a support frame 1, wherein four corners of the bottom of the support frame 1 are fixedly connected with supporting legs 2, the upper end of the support frame 1 is fixedly connected with the same screening frame 4 through a plurality of connecting springs 3, the bottom of the screening frame 4 is set as a porous screening plate 5, and a vibration motor 6 is fixedly installed on the outer wall of the screening frame 4, a supporting plate 7 is clamped on the four supporting legs 2, the upper end of the supporting plate 7 is fixedly connected with the same fixing plate 9 through a plurality of L-shaped fixing rods 8, a plurality of plug holes are evenly opened on the surface of the fixing plate 9, and cleaning rods 10 are movably inserted in the corresponding plug holes, the lower ends of the plurality of cleaning rods 10 are fixedly connected with the same reciprocating plate 11, the upper end of the reciprocating plate 11 and the lower end of the fixing plate 9 are fixedly connected with a plurality of reset springs 12 sleeved on the outside of the cleaning rod 10, a plurality of reciprocating electromagnetic plates 13 are fixedly installed on the upper end of the supporting plate 7, and a plurality of reciprocating permanent magnetic plates 14 corresponding to the positions of the reciprocating electromagnetic plates 13 are fixedly installed on the lower end of the reciprocating plate 11.

[0019] The upper end of the cleaning rod 10 is configured as a pointed structure.

[0020] The side walls at the four corners of the supporting plate 7 are provided with multiple sockets, and push-pull rods 15 are movablely inserted in the corresponding sockets. The inner wall of the supporting plate 7 is provided with an active cavity 16 for one end of the push-pull rod 15 to extend into. One end of multiple push-pull rods 15 extends into the active cavity 16 and is fixedly connected to the same push-pull plate 17. The inner wall of the supporting plate 7 corresponding to the active cavity 16 is fixedly connected with an attraction electromagnetic plate 18, and the side wall of the push-pull plate 17 is fixedly connected with an attraction permanent magnet plate 19. The outer ends of the multiple push-pull rods 15 are fixedly connected with the same U-shaped clamping plate 20. The U-shaped clamping plate 20 and the supporting plate 7 are fixedly connected on the opposite side with multiple squeezing springs 21 sleeved on the outside of the push-pull rod 15. The U-shaped clamping plate 20 is sleeved on the outside of the support leg 2, and the outer wall of the support leg 2 is fixedly sleeved with two limit baffles 22 symmetrically arranged about the U-shaped clamping plate 20.

[0021] The upper end of the supporting plate 7 and the lower end of the reciprocating plate 11 are fixedly connected with an elastic folded insulating rubber sleeve covering the reciprocating electromagnetic plate 13 and the reciprocating permanent magnetic plate 14 .

[0022] The inner wall of the vertical part of the screening frame 4 is designed as an inclined structure.

[0023] A layer of anti-skid damping rubber pad is fixedly connected to the inner wall of the U-shaped clamping plate 20 .

[0024] The operating principle of the utility model is now described as follows:

[0025] When the present application is used, the sand and gravel are poured into the screening frame 4 through the screening frame 4 and the porous mesh plate, and the vibration motor 6 is started. The screening frame 4 is vibrated at a high speed under the connection of multiple connecting springs 3, and then the sand screening operation is performed through the porous mesh plate. When the porous mesh plate needs to be cleaned after a period of use, the suction electromagnetic plate 18 is first powered, and the suction electromagnetic plate 18 is powered to generate magnetism, and the suction permanent magnet plate 19 is cooperated to pull back the push-pull plate 17, and then the push-pull rod 15 is cooperated to drive the U-shaped clamping plate 20 to move back, and the support plate 7 is placed between the four legs 2, and then the pair is disconnected. The power supply of the suction electromagnetic plate 18 causes the U-shaped clamping plate 20 to be clamped outside the support leg 2 under the action of the squeezing spring 21, so that the U-shaped clamping plate 20 is clamped between the two limit baffles 22, thereby achieving a stable clamping of the entire supporting plate 7, and then an alternating power supply is introduced into the reciprocating electromagnetic plate 13, so that the reciprocating electromagnetic plate 13 produces a constantly changing magnetic field, and cooperates with the reciprocating permanent magnet plate 14 to push the reciprocating plate 11 and the cleaning rod 10 to move up and down reciprocatingly, so as to clean the sieve holes of the porous mesh plate, without the need to manually clean the holes one by one, thereby ensuring the cleaning efficiency and quality, and facilitating use.

[0026] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and application concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A sand screening machine for building materials, comprising a support frame (1), characterized in that: The four corners of the bottom of the support frame (1) are fixedly connected to support legs (2); the upper end of the support frame (1) is fixedly connected to a screening frame (4) via a plurality of connection springs (3); the bottom of the screening frame (4) is provided with a porous screening plate (5); a vibration motor (6) is fixedly mounted on the outer wall of the screening frame (4); a supporting plate (7) is clamped on the four support legs (2); the upper end of the supporting plate (7) is fixedly connected to a fixing plate (9) via a plurality of L-shaped fixing rods (8); the surface of the fixing plate (9) is uniformly A plurality of sockets are provided, and a cleaning rod (10) is movably sleeved in the corresponding sockets. The lower ends of the plurality of cleaning rods (10) are fixedly connected to the same reciprocating plate (11). The upper end of the reciprocating plate (11) and the lower end of the fixed plate (9) are fixedly connected to a plurality of return springs (12) sleeved outside the cleaning rod (10). The upper end of the supporting plate (7) is fixedly provided with a plurality of reciprocating electromagnetic plates (13), and the lower end of the reciprocating plate (11) is fixedly provided with a plurality of reciprocating permanent magnetic plates (14) corresponding to the positions of the reciprocating electromagnetic plates (13).

2. A sand screening machine for building materials according to claim 1, characterized in that: The upper end of the cleaning rod (10) is configured as a pointed structure.

3. A sand screening machine for building materials according to claim 1, characterized in that: The side walls at the four corners of the support plate (7) are provided with a plurality of insertion holes, and push-pull rods (15) are movably inserted into the corresponding insertion holes. The inner wall of the support plate (7) is provided with an active cavity (16) for one end of the push-pull rod (15) to extend therein, and one end of a plurality of the push-pull rods (15) extends into the active cavity (16) and is fixedly connected to the same push-pull plate (17). The inner wall of the support plate (7) corresponding to the active cavity (16) is fixedly connected to an electromagnetic suction plate (18), and the push-pull plate (17) The side wall is fixedly connected to a suction permanent magnetic plate (19); the outer ends of the plurality of push-pull rods (15) are fixedly connected to the same U-shaped clamping plate (20); the U-shaped clamping plate (20) and the supporting plate (7) are fixedly connected to a plurality of squeezing springs (21) sleeved outside the push-pull rods (15) on one side opposite to the U-shaped clamping plate (20); the U-shaped clamping plate (20) is sleeved outside the supporting leg (2); and the outer wall of the supporting leg (2) is fixedly sleeved with two limit baffles (22) symmetrically arranged up and down about the U-shaped clamping plate (20).

4. A sand screening machine for building materials according to claim 1, characterized in that: The upper end of the support plate (7) and the lower end of the reciprocating plate (11) are fixedly connected with an elastic folded insulating rubber sleeve which covers the reciprocating electromagnetic plate (13) and the reciprocating permanent magnetic plate (14).

5. A sand screening machine for building materials according to claim 1, characterized in that: The inner wall of the vertical portion of the screening frame (4) is configured as an inclined surface structure.

6. A sand screening machine for building materials according to claim 3, characterized in that: A layer of anti-slip damping rubber pad is fixedly connected to the inner wall of the U-shaped clamping plate (20).

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