Gravel filtering and screening device

Abstract

The utility model belongs to the technical field of gravel screening, and particularly relates to a gravel filtering and screening device which comprises a rack, a supporting frame is arranged at the top of the rack, a replacing mechanism is arranged in the supporting frame, a screening net plate is arranged at the top of the replacing mechanism, a discharging mechanism is arranged on the inner side of the rack, and a vibration motor is fixedly connected to the outer side of the supporting frame. The replacing mechanism comprises a supporting plate which is fixedly connected to the inner side of the supporting frame. According to the device, through the arranged replacement mechanism, a threaded block can drive a clamping block to be pulled out of the interior of a first protruding block, limiting on the first protruding block can be canceled, then a screening net plate can be pushed to move, the screening net plate can drive the first protruding block to be pulled out of the inner wall of a first fixing groove, and the screening net plate can be detached; and similarly, mounting of the screening net plate can be achieved, so that dismounting, mounting, dismounting and replacing are facilitated, external tools are not needed, meanwhile, much strength is not consumed, the convenience of operation and use is improved, and the good dismounting and mounting efficiency is achieved.

Description

Technical Field

[0001] This utility model belongs to the field of sand and gravel screening technology, and specifically relates to a sand and gravel filtration and screening device. Background Technology

[0002] Sand and gravel are loose mixtures of sand grains and gravel. Geologically, mineral or rock particles with a diameter of 0.074–2 mm are called sand, while those larger than 2 mm are called gravel or angular gravel. They are widely used in construction, concrete, road engineering, and other fields, and are divided into two main categories: natural sand and gravel (such as river sand and sea sand) and manufactured sand and gravel (artificially processed).

[0003] Traditionally, the screens are usually integrated with the screening device. When it is necessary to flexibly adjust the screens of different mesh sizes according to different usage scenarios, it is not convenient to disassemble and replace them. It often requires the use of external tools and a lot of effort, which is inconvenient and results in low efficiency of disassembly and replacement. In order to solve the above problems, this application proposes a sand and gravel filtration and screening device. Utility Model Content

[0004] To address the aforementioned problems in the existing technology, this utility model provides a sand and gravel filtration and screening device that is easy to disassemble and replace.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sand and gravel filtration and screening device, comprising a frame, a support frame at the top of the frame, a replacement mechanism inside the support frame, a screening screen at the top of the replacement mechanism, a feeding mechanism inside the frame, and a vibration motor fixedly connected to the outside of the support frame.

[0006] The replacement mechanism includes a support plate, which is fixedly connected to the inner side of a support frame. A fixing groove is fixedly connected inside the support plate. A protrusion is slidably connected to the inner wall of the fixing groove. A threaded rod is rotatably connected to the inner side of the fixing groove. A threaded block is threadedly connected to the outer wall of the threaded rod. A locking block is fixedly connected inside the threaded block. A limit frame is fixedly connected to the inner side of the fixing groove. Two support plates are provided. A fixing groove is fixedly connected to the left side of one of the two support plates. A spring is fixedly connected to the inner wall of the fixing groove. A protrusion is fixedly connected to the end of the spring away from the fixing groove. An internal spline is fixedly connected to the top of the protrusion. An internal spline is fixedly connected to one side of the protrusion. An external spline engages with the inner wall of the internal spline. A knob is fixedly connected to the outer wall of the threaded rod.

[0007] Preferably, the top of the second fixing groove is provided with a slot, and the internal spline passes through the slot and moves, so that the internal spline can move through the slot.

[0008] Preferably, the second protrusion is slidably connected to the inner wall of the second fixed groove, and a movable opening is provided on one side of the second fixed groove. The second protrusion passes through the movable opening, so that the second protrusion can move stably to compress the spring.

[0009] Preferably, the inner shape of the limiting frame matches the outer shape of the threaded block, and the threaded block is slidably connected to the inner side of the limiting frame, so that the threaded block can move stably.

[0010] Preferably, the protrusion is fixedly connected to the bottom of the screening plate, and the threads on the outer walls of the two ends of the threaded rod are in opposite directions, which can provide stable support for the screening plate.

[0011] Preferably, the locking block passes through the fixing groove and moves, and the locking block is inserted into the protrusion, so that the locking block can move through the fixing groove and be inserted into the protrusion, thereby achieving the purpose of limiting the position.

[0012] Preferably, the feeding mechanism includes a slide rail, which is fixedly connected to the inner side of the frame. A collection box is slidably connected to the inner wall of the slide rail, and a support base is fixedly connected to the outer side of the slide rail. A T-shaped shaft is rotatably connected to the inner side of the support base, and a rotating sleeve is threadedly connected to the outer wall of the T-shaped shaft. A baffle is rotatably connected to the outer wall of the T-shaped shaft, and a baffle is fixedly connected to the inner wall of the slide rail, so that the baffle can block and limit the collection box, ensuring the stability of feeding.

[0013] Preferably, the back of the rotating sleeve is in close contact with the front of the baffle, and the back of the collection box is in close contact with the front of the baffle, so that the rotating sleeve can press and limit the baffle.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this utility model, the replacement mechanism allows the threaded block to pull the locking block out from inside the protrusion, thus removing the limiting effect on the protrusion. Then, the screening screen can be moved, allowing it to pull the protrusion out from the inner wall of the fixing groove, enabling disassembly of the screening screen. Similarly, the screening screen can be installed, facilitating disassembly, assembly, and replacement without the need for external tools or excessive force, improving ease of operation and achieving high efficiency.

[0016] In this utility model, the feeding mechanism allows the handle to be pulled forward to move the collection box, which can then be pulled out from inside the slide rail. This enables the collection box to be disassembled, facilitating the feeding of the filtered sand and gravel inside the collection box. This achieves good feeding efficiency, improves the convenience of operation, and enhances the flexibility of the device.

[0017] Other additional advantages and benefits of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a front view of the present invention;

[0020] Figure 2 This is the left view of the present invention;

[0021] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle;

[0022] Figure 4 for Figure 2 Enlarged structural diagram at point B;

[0023] Figure 5 for Figure 2 Enlarged structural diagram at point C.

[0024] In the diagram: 1. Frame; 2. Support frame; 3. Changing mechanism; 31. Support plate; 32. Fixing groove one; 33. Protrusion one; 34. Threaded rod; 35. Threaded block; 36. Locking block; 37. Limiting frame; 38. Fixing groove two; 39. Spring; 301. Protrusion two; 302. Internal spline; 303. External spline; 304. Knob; 4. Feeding mechanism; 41. Slide rail; 42. Baffle; 43. Collection box; 44. Support base; 45. T-shaft; 46. Rotating sleeve; 47. Baffle frame; 5. Screening screen; 6. Vibration motor. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example

[0027] Please see Figures 1-5The present invention provides the following technical solution: a sand and gravel filtration and screening device, including a frame 1, a support frame 2 on the top of the frame 1, a replacement mechanism 3 inside the support frame 2, a screening screen plate 5 on the top of the replacement mechanism 3, a feeding mechanism 4 on the inner side of the frame 1, and a vibration motor 6 fixedly connected to the outer side of the support frame 2.

[0028] The replacement mechanism 3 includes a support plate 31, which is fixedly connected to the inside of the support frame 2. A fixing groove 32 is fixedly connected inside the support plate 31. A protrusion 33 is slidably connected to the inner wall of the fixing groove 32. A threaded rod 34 is rotatably connected to the inside of the fixing groove 32. A threaded block 35 is threadedly connected to the outer wall of the threaded rod 34. A locking block 36 is fixedly connected inside the threaded block 35. A limit frame 37 is fixedly connected to the inside of the fixing groove 32. There are two support plates 31. A fixing groove 38 is fixedly connected to the left side of one of the two support plates 31. A spring 39 is fixedly connected to the inner wall of the fixing groove 38. A protrusion 301 is fixedly connected to the end of the spring 39 away from the fixing groove 38. An internal spline 302 is fixedly connected to the top of the protrusion 301. An internal spline 302 is fixedly connected to one side of the protrusion 301. An external spline 303 engages with the inner wall of the internal spline 302. A knob 304 is fixedly connected to the outer wall of the threaded rod 34.

[0029] Furthermore, a slot is provided at the top of the fixed slot 38, through which the inner spline 302 passes and moves, allowing the inner spline 302 to move through the slot.

[0030] Furthermore, the second protrusion 301 is slidably connected to the inner wall of the second fixed groove 38. A movable opening is provided on one side of the second fixed groove 38, through which the second protrusion 301 passes, so that the second protrusion 301 can move stably to compress the spring 39.

[0031] Furthermore, the inner shape of the limiting frame 37 matches the outer shape of the threaded block 35, and the threaded block 35 is slidably connected to the inner side of the limiting frame 37, so that the threaded block 35 can move stably.

[0032] Furthermore, the protrusion 33 is fixedly connected to the bottom of the screening plate 5, and the threads on the outer walls of the two ends of the threaded rod 34 are opposite in direction, which can provide stable support for the screening plate 5.

[0033] Furthermore, the locking block 36 passes through the fixing groove 32 and moves, and the locking block 36 is inserted into the protrusion 33, so that the locking block 36 can pass through the fixing groove 32 and move into the protrusion 33, thereby achieving the purpose of limiting the position.

[0034] Furthermore, the feeding mechanism 4 includes a slide rail 41, which is fixedly connected to the inner side of the frame 1. A collection box 43 is slidably connected to the inner wall of the slide rail 41. A support base 44 is fixedly connected to the outer side of the slide rail 41. A T-shaped shaft 45 is rotatably connected to the inner side of the support base 44. A rotating sleeve 46 is threadedly connected to the outer wall of the T-shaped shaft 45. A baffle 47 is rotatably connected to the outer wall of the T-shaped shaft 45. A baffle 42 is fixedly connected to the inner wall of the slide rail 41, so that the baffle 47 can block and limit the collection box 43 to ensure the stability of feeding.

[0035] Furthermore, the back of the rotating sleeve 46 is in contact with the front of the baffle 47, and the back of the collection box 43 is in contact with the front of the baffle 42, so that the rotating sleeve 46 can press and limit the baffle 47.

[0036] Components not described in detail in this article are existing technologies.

[0037] The working principle and usage process of this utility model are as follows: The sand and gravel to be screened are transported to the top of the screening screen plate 5. Then, the vibration motor 6 can be started to generate vibration, thereby achieving the purpose of vibration screening. The screened sand and gravel will fall downward into the collection box 43. When it is necessary to unload the collection box 43, the rotating sleeve 46 can be rotated first, so that the rotating sleeve 46 no longer presses and limits the baffle frame 47. At this time, the baffle frame 47 can be rotated along the axis of the T-shaped shaft 45, so that the baffle frame 47 no longer blocks the collection box 43. Then, the handle can be pulled forward to move the collection box 43, so that the collection box 43 can be pulled out from the inside of the slide rail 41, thus realizing the disassembly of the collection box 43. This facilitates the unloading of the filtered sand and gravel inside the collection box 43, achieving good unloading efficiency, improving the convenience of operation and use, and enhancing the flexibility of the device.

[0038] When it is necessary to flexibly switch between different mesh sizes of the screening screen 5 according to different screening environments, the inner spline 302 can be pushed to move the second protrusion 301. The second protrusion 301 can compress the spring 39 and can also move the inner spline 302, so that the inner spline 302 is no longer engaged with the outer spline 303. At this time, the threaded rod 34 is in a rotatable state. Then, the knob 304 can be rotated to drive the threaded rod 34 to rotate. Since the threaded rod 34 and the threaded block 35 are threadedly connected, and the threaded block 35 can be limited... The inner sliding limit of the frame 37 causes the threaded block 35 to pull the locking block 36 out from the inside of the protrusion 33, thus canceling the limit on the protrusion 33. Then, the screening screen 5 can be pushed to move, so that the screening screen 5 can pull the protrusion 33 out from the inner wall of the fixing groove 32, thereby realizing the disassembly of the screening screen 5. Similarly, the screening screen 5 can also be installed, which facilitates disassembly, assembly and replacement without the need for external tools and without consuming much force, improving the convenience of operation and achieving good disassembly and assembly efficiency.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A sand and gravel filtration and screening device, comprising a frame (1), characterized in that, The frame (1) is provided with a support frame (2) at the top, and a replacement mechanism (3) is provided inside the support frame (2). A screening screen (5) is provided at the top of the replacement mechanism (3). A feeding mechanism (4) is provided inside the frame (1). A vibration motor (6) is fixedly connected to the outside of the support frame (2). The replacement mechanism (3) includes a support plate (31), which is fixedly connected to the inner side of the support frame (2). A fixing groove (32) is fixedly connected inside the support plate (31). A protrusion (33) is slidably connected to the inner wall of the fixing groove (32). A threaded rod (34) is rotatably connected to the inner side of the fixing groove (32). A threaded block (35) is threadedly connected to the outer wall of the threaded rod (34). A locking block (36) is fixedly connected inside the threaded block (35). A limit frame (37) is fixedly connected to the inner side of the fixing groove (32). The support plate (31) is fixedly connected to the inner side of the support frame (2). 1) There are two support plates (31). One of them has a fixed groove (38) fixedly connected to its left side. A spring (39) is fixedly connected to the inner wall of the fixed groove (38). A protrusion (301) is fixedly connected to the end of the spring (39) away from the fixed groove (38). An internal spline (302) is fixedly connected to the top of the protrusion (301). An internal spline (302) is fixedly connected to one side of the protrusion (301). An external spline (303) engages with the inner wall of the internal spline (302). A knob (304) is fixedly connected to the outer wall of the threaded rod (34).

2. The sand and gravel filtration and screening device according to claim 1, characterized in that, The top of the fixed groove (38) is provided with a slot, and the internal spline (302) passes through the slot and moves.

3. The sand and gravel filtration and screening device according to claim 1, characterized in that, The second protrusion (301) is slidably connected to the inner wall of the second fixed groove (38). A movable opening is provided on one side of the second fixed groove (38), and the second protrusion (301) passes through the movable opening.

4. The sand and gravel filtration and screening device according to claim 1, characterized in that, The inner shape of the limiting frame (37) matches the outer shape of the threaded block (35), and the threaded block (35) is slidably connected to the inner side of the limiting frame (37).

5. The sand and gravel filtration and screening device according to claim 1, characterized in that, The protrusion (33) is fixedly connected to the bottom of the screening plate (5), and the threads on the outer walls of the two ends of the threaded rod (34) are opposite in direction.

6. The sand and gravel filtration and screening device according to claim 1, characterized in that, The card block (36) passes through the fixing groove (32) and moves, and the card block (36) is inserted into the protrusion (33).

7. The sand and gravel filtration and screening device according to claim 1, characterized in that, The feeding mechanism (4) includes a slide rail (41), which is fixedly connected to the inner side of the frame (1). A collection box (43) is slidably connected to the inner wall of the slide rail (41). A support seat (44) is fixedly connected to the outer side of the slide rail (41). A T-shaped shaft (45) is rotatably connected to the inner side of the support seat (44). A rotating sleeve (46) is threadedly connected to the outer wall of the T-shaped shaft (45). A baffle (47) is rotatably connected to the outer wall of the T-shaped shaft (45). A baffle (42) is fixedly connected to the inner wall of the slide rail (41).

8. A sand and gravel filtration and screening device according to claim 7, characterized in that, The back of the rotating sleeve (46) is in contact with the front of the baffle (47), and the back of the collection box (43) is in contact with the front of the baffle (42).

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