Sand screening device

Abstract

The utility model discloses a sand screening device which comprises a base, a screening box, a screening frame and a screen mesh, an installation groove is formed in the screening frame, an insertion block is installed in the installation groove, the insertion block is connected with a connecting base, a second spring is installed in the connecting base, the second spring is connected with a sliding block, the sliding block is connected with a clamping block, and a clamping groove is formed in the installation groove. A sliding groove is formed in the upper surface of the connecting base, a pull rod is installed in the sliding groove and fixedly connected with the sliding block, and the screen is matched with the screen frame in a clamped mode. According to the sand screening machine, the screen is clamped and matched with the screen frame, when the screen needs to be replaced according to the sand screening requirement, the pull rod is pulled and drives the clamping block to move towards the side away from the clamping groove through the sliding block, after the clamping block is pulled out of the clamping groove, the pull rod is pulled upwards and drives the insertion block to move upwards, and after the insertion block is pulled out of the installation groove, the insertion block is pulled out of the installation groove. And the screen mesh can be quickly disassembled, and different sand screening requirements can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, and particularly relates to a sand screening device. Background Technique

[0002] Construction engineering refers to the engineering entity formed by the construction of various housing buildings and their affiliated facilities and the installation of supporting lines, pipelines, and equipment. Among them, "housing building" refers to a project with a roof, beams, columns, walls, foundation, and capable of forming an internal space to meet the needs of people's production, residence, study, and public activities.

[0003] Sand is an essential construction raw material in construction engineering. In construction engineering, a large amount of sand screening operations are often required to remove large-grained sand and some impurities in the sand, improve the purity of the material, and increase the quality of construction engineering. Usually, when screening sand in construction engineering, a sand screening device will be used. However, in the actual use process of the existing sand screening device, since most of the sieve meshes are fixed structures, it is difficult to replace sieve meshes of different models, thus making it inconvenient for actual application. To solve the above problems, a sand screening device is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a sand screening device to solve the problem that in the actual use process of the existing sand screening device, since most of the sieve meshes are fixed structures, it is difficult to replace sieve meshes of different models, thus making it inconvenient for actual application.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a sand screening device, including a base, a screening box, a sieve frame, and a sieve mesh. Installation grooves are respectively opened on both side surfaces of the inner wall of the sieve frame. Plug blocks are installed in the installation grooves. The plug blocks are fixedly connected with the sieve mesh. A connecting seat is fixedly connected to the upper surface of the plug block. A second spring is fixedly installed in the connecting seat. One end of the second spring is fixedly connected with a sliding block. A clamping block is fixedly connected to one surface of the sliding block. A clamping groove is opened on one surface of the inner wall of the installation groove. A sliding groove is opened on the upper surface of the connecting seat. A pull rod is installed in the sliding groove. The pull rod is fixedly connected with the sliding block. The sieve mesh is clamped and matched with the sieve frame.

[0007] Preferably, a plurality of guide rods are fixedly installed in the screening box. A first spring and a guide block are installed on the circumferential surface of the guide rod. The guide block is fixedly connected to the screening box. A plurality of notches are formed in one side surface of the screening box. A plurality of connecting rods are installed in the notches. One end of the connecting rod is fixedly connected to a strip-shaped plate. An installation plate is fixedly installed on one side surface of the screening box. A motor is fixedly installed on the bottom surface of the installation plate. The output end of the motor is fixedly connected to a rotating rod. A cam is fixedly connected to the circumferential surface of the rotating rod.

[0008] Preferably, a plurality of slots are fixedly installed on the upper surface of the screening box. A baffle is slidably connected in the slots. A plurality of support frames are fixedly connected between the base and the screening box. Guide plates are fixedly installed on both surfaces of the inner wall of the screening box.

[0009] Preferably, one end of the clamping block is installed in the clamping groove, and the clamping block is slidably matched with the clamping groove. The inserting block is slidably matched with the installation groove.

[0010] Preferably, the pull rod is slidably matched with the sliding groove, and the sliding block is slidably matched with the connecting seat.

[0011] Preferably, the guide block is slidably matched with the guide rod, and the connecting rod is slidably matched with the screening box.

[0012] Preferably, the rotating rod is rotatably connected to the installation plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by setting the screen mesh and the screen frame to be clamped and matched, when it is necessary to replace the screen mesh according to the demand of screening sand, pull the pull rod. The pull rod drives the clamping block to move away from the clamping groove through the sliding block. When the clamping block is pulled out of the clamping groove, pull the pull rod upward. The pull rod drives the inserting block to move upward. When the inserting block is pulled out of the installation groove, the disassembly of the screen mesh can be completed, which can realize the rapid disassembly of the screen mesh and adapt to different screening sand demands. It should be noted that a foldable film is installed in the sliding groove, which can block the sand from entering the connecting seat while not affecting the movement of the pull rod;

[0015] 2. In the utility model, by setting the cam, the strip-shaped plate, the guide block and the first spring, the sand enters the screen frame and is screened by the screen mesh. The motor drives the cam to rotate. The longer end of the cam pushes the strip-shaped plate to move, and the screen frame is pushed to move through the connecting rod, so that the guide block squeezes the first spring. The cam continues to rotate, and the first spring resets and pushes the screen frame to move. Repeating such movements, the screen frame shakes and screens, improving the screening efficiency of the equipment for sand;

[0016] 3. In the utility model, by providing a slot and a baffle plate, during the process of screening sand, the baffle plate is inserted into the slot, and during the sand screening process, the baffle plate can block the generated smoke and dust, avoiding harm to the body of the staff.

[0017] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 2 is a top view structural schematic diagram of the present utility model;

[0021] Figure 3 is a cross-sectional structural schematic diagram of the present utility model;

[0022] Figure 4 is Figure 3 a partial enlarged structural schematic diagram of part A in

[0023] In the drawings, the list of components represented by each reference numeral is as follows: 1. Base; 2. Screening box; 3. Sieve frame; 4. Mounting plate; 5. Motor; 6. Rotating rod; 7. Cam; 8. Connecting rod; 9. Strip-shaped plate; 10. Pull rod; 11. Slot; 12. Baffle plate; 13. Sieve mesh; 14. Guide rod; 15. Guide block; 16. First spring; 17. Guide plate; 18. Mounting groove; 19. Insert block; 20. Card slot; 21. Connecting seat; 22. Second spring; 23. Slide block; 24. Locking block; 25. Slide groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0025] In the description of the present utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc. indicating the orientation or position relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0026] Please refer to Figures 1 - 4 As shown, the present utility model is a sand screening device, including a base 1, a screening box 2, a screen frame 3 and a screen mesh 13. Installation grooves 18 are formed on both side surfaces of the inner wall of the screen frame 3. Plug blocks 19 are installed in the installation grooves 18. The plug blocks 19 are fixedly connected with the screen mesh 13. A connecting seat 21 is fixedly connected to the upper surface of the plug block 19. A second spring 22 is fixedly installed in the connecting seat 21. One end of the second spring 22 is fixedly connected with a slider 23. A clamping block 24 is fixedly connected to one surface of the slider 23. A clamping groove 20 is formed on one surface of the inner wall of the installation groove 18. A sliding groove 25 is formed on the upper surface of the connecting seat 21. A pull rod 10 is installed in the sliding groove 25. The pull rod 10 is fixedly connected with the slider 23. The screen mesh 13 and the screen frame 3 are clamped and matched. By setting the clamping and matching of the screen mesh 13 and the screen frame 3, when it is necessary to replace the screen mesh according to the sand screening requirements, the pull rod 10 is pulled. The pull rod 10 drives the clamping block 24 to move away from the clamping groove 20 through the slider 23. After the clamping block 24 is withdrawn from the clamping groove 20, the pull rod 10 is pulled upward. The pull rod 10 drives the plug block 19 to move upward. After the plug block 19 is withdrawn from the installation groove 18, the disassembly of the screen mesh 13 can be completed, and the rapid disassembly of the screen mesh 13 can be realized, adapting to different sand screening requirements. It should be additionally noted that a foldable film is installed in the sliding groove 25, which can block sand from entering the connecting seat 21 while not affecting the movement of the pull rod 10.

[0027] A plurality of guide rods 14 are fixedly installed in the screening box 2. A first spring 16 and a guide block 15 are installed on the circumferential side of the guide rod 14. The guide block 15 is fixedly connected with the screening box 2. A plurality of notches are formed on one side surface of the screening box 2. A plurality of connecting rods 8 are installed in the notches. One end of the connecting rod 8 is fixedly connected with a strip plate 9. An installation plate 4 is fixedly installed on one side surface of the screening box 2. A motor 5 is fixedly installed on the bottom surface of the installation plate 4. The output end of the motor 5 is fixedly connected with a rotating rod 6. A cam 7 is fixedly connected to the circumferential side of the rotating rod 6. By setting the cam 7, the strip plate 9, the guide block 15 and the first spring 16, sand enters the screen frame 3 and is screened through the screen mesh 13. The motor 5 drives the cam 7 to rotate. The longer end of the cam 7 pushes the strip plate 9 to move. The screen frame 3 is pushed to move through the connecting rod 8, so that the guide block 15 squeezes the first spring 16. The cam 7 continues to rotate, and the first spring 16 is reset to push the screen frame 3 to move. Repeating such movement, the screen frame 3 shakes and screens, improving the screening efficiency of the device for sand.

[0028] A plurality of slots 11 are fixedly installed on the upper surface of the screening box 2. A baffle 12 is slidably connected in the slots 11. A plurality of support frames are fixedly connected between the base 1 and the screening box 2. Guide plates 17 are fixedly installed on both surfaces of the inner wall of the screening box 2. By providing the slots 11 and the baffle 12, during the process of screening sand, the baffle 12 is inserted into the slots 11. During the sand screening process, the baffle 12 can block the generated smoke and dust, avoiding harm to the bodies of the staff.

[0029] One end of the clamping block 24 is installed in the clamping slot 20, and the clamping block 24 is slidably matched with the clamping slot 20. The inserting block 19 is slidably matched with the installation slot 18.

[0030] The pull rod 10 is slidably matched with the sliding slot 25. The slider 23 is slidably matched with the connecting seat 21.

[0031] The guiding block 15 is slidably matched with the guiding rod 14. The connecting rod 8 is slidably matched with the screening box 2.

[0032] The rotating rod 6 is rotatably connected to the mounting plate 4.

[0033] Embodiment:

[0034] As Figures 1 - 4 shown, the usage method of a sand screening device of the present utility model is as follows: When using the present utility model, first put the sand into the screening frame 3, insert the baffle 12 into the slots 11. During the sand screening process, the baffle 12 can block the generated smoke and dust. The screening is carried out through the screen mesh 13. The motor 5 drives the cam 7 to rotate. The longer end of the cam 7 pushes the strip plate 9 to move. The screening frame 3 is pushed to move through the connecting rod 8, so that the guiding block 15 squeezes the first spring 16. The cam 7 continues to rotate, and the first spring 16 resets to push the screening frame 3 to move. Repeating such movement, the screening frame 3 shakes for screening, improving the screening efficiency of the device for sand. When it is necessary to replace the screen mesh according to the sand screening requirements, pull the pull rod 10. The pull rod 10 drives the clamping block 24 to move away from the clamping slot 20 through the slider 23. When the clamping block 24 is pulled out of the clamping slot 20, pull the pull rod 10 upward. The pull rod 10 drives the inserting block 19 to move upward. When the inserting block 19 is pulled out of the installation slot 18, the disassembly of the screen mesh 13 can be completed, and the rapid disassembly of the screen mesh 13 can be realized, adapting to different sand screening requirements.

[0035] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

[0036] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present utility model, so that those skilled in the art can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A sand screening device, comprising a base (1), a screening box (2), a screen frame (3) and a screen mesh (13), characterized in that: On both side surfaces of the inner wall of the sieve frame (3), mounting grooves (18) are formed. In the mounting grooves (18), inserting blocks (19) are installed. The inserting blocks (19) are fixedly connected to the sieve mesh (13). On the upper surface of the inserting blocks (19), a connecting seat (21) is fixedly connected. In the connecting seat (21), a second spring (22) is fixedly installed. One end of the second spring (22) is fixedly connected to a sliding block (23). On one surface of the sliding block (23), a clamping block (24) is fixedly connected. On one surface of the inner wall of the mounting groove (18), a clamping groove (20) is formed. On the upper surface of the connecting seat (21), a sliding groove (25) is formed. In the sliding groove (25), a pull rod (10) is installed. The pull rod (10) is fixedly connected to the sliding block (23). The sieve mesh (13) and the sieve frame (3) are clamped and matched.

2. The sand screening device according to claim 1, characterized in that: In the screening box (2), a number of guide rods (14) are fixedly installed. On the peripheral surface of the guide rods (14), a first spring (16) and guide blocks (15) are installed. The guide blocks (15) are fixedly connected to the screening box (2). On one side surface of the screening box (2), a number of notches are formed. In the notches, a number of connecting rods (8) are installed. One end of the connecting rods (8) is fixedly connected to a strip-shaped plate (9). On one side surface of the screening box (2), a mounting plate (4) is fixedly installed. On the bottom surface of the mounting plate (4), a motor (5) is fixedly installed. The output end of the motor (5) is fixedly connected to a rotating rod (6). On the peripheral surface of the rotating rod (6), a cam (7) is fixedly connected.

3. The sand screening device according to claim 1, characterized in that: On the upper surface of the screening box (2), a number of inserting slots (11) are fixedly installed. In the inserting slots (11), a baffle (12) is slidably connected. Between the base (1) and the screening box (2), a number of support frames are fixedly connected. On both surfaces of the inner wall of the screening box (2), guide plates (17) are fixedly installed.

4. A sand screening device according to claim 1, characterized in that: One end of the clamping block (24) is installed in the clamping groove (20), and the clamping block (24) is slidably matched with the clamping groove (20). The inserting block (19) is slidably matched with the mounting groove (18).

5. A sand screening device according to claim 1, characterized in that: The pull rod (10) is slidably matched with the sliding groove (25), and the sliding block (23) is slidably matched with the connecting seat (21).

6. The sand screening device according to claim 2, characterized in that: The guide block (15) is slidably matched with the guide rod (14), and the connecting rod (8) is slidably matched with the screening box (2).

7. The sand screening device according to claim 2, wherein: The rotating rod (6) is rotatably connected to the mounting plate (4).

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