Screening device

Abstract

The utility model provides a screening device, and belongs to the field of geology. A screening device comprises a base, an extrusion assembly, a vibration assembly and a collection assembly are arranged on the base in a sliding fit mode, the vibration assembly comprises a sliding frame, a vibration motor fixedly installed on the sliding frame, a hydraulic cylinder and four springs fixedly installed between the base and the sliding frame, and a plurality of screening assemblies are arranged on the sliding frame in a rotating fit mode. A meshing frame meshed with the screening assembly is fixedly installed at the output end of the hydraulic cylinder. According to the utility model, through the arrangement of the hydraulic cylinder, the screening assembly can be driven to rotate, so that the rotated screening assembly can be in a vertical state, then the sliding seat is pushed to slide, the sliding seat slides to drive the ejector pin assembly to slide, and broken stones in the screening assembly can be extruded in the sliding process of the ejector pin assembly; therefore, the screening assembly is not prone to being blocked by broken stones clamped in the screening assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to geological technical field, especially relate to a screening device. BACKGROUND

[0002] When ore is screened, multiple crushing and screening will be carried out, and after the ore is crushed, the ore is screened and separated into multiple ore blocks of different sizes by the ore screening device, in the ore screening device in the prior art, after the crushed ore blocks are separated by the screen, the ore blocks that do not pass through the screen holes are accumulated on the screen and mixed with the ore blocks for screening and continue to move back and forth with the screen, which is not convenient for the small size ore blocks to pass through the screen holes, and the ore blocks that do not pass through may hit the screen during the reciprocating movement, causing the screen to deform and be damaged, and the screen holes may also be blocked.

[0003] In the prior art, such as the announcement number: CN221537232U, a hierarchical screening device for geological mineral exploration, including vibration device and multiple screen frames, the vibration device top wall sets up multiple screen frames, multiple screen frames are arranged in a stacked state, through the first clamping protrusion and the first clamping groove can be detachably connected, can increase the screen frame or reduce the screen frame and the screen, to increase or reduce the number of screening layers, at the same time, the first clamping protrusion and the first clamping groove can be positioned to prevent the screen frame from being dislocated and falling during vibration, but when the screening device screens the ore, the screening hole is easy to be blocked by the ore, but the hierarchical screening device for geological mineral exploration in the prior art cannot extrude the ore blocked in the screening hole, so that the ore is easy to be blocked in the interior of the screening hole, therefore, a screening device is proposed. UTILITY MODEL CONTENT

[0004] Therefore, the utility model embodiment hopes to provide a screening device to solve or alleviate the technical problems existing in the prior art, by installing the hydraulic cylinder, the screening assembly can be driven to rotate, so that the rotated screening assembly can be in a vertical state, then the sliding seat is pushed to slide, the sliding of the sliding seat drives the thimble assembly to slide, the thimble assembly can extrude the crushed stones in the interior of the screening assembly during the sliding process, so that the screening assembly is not easy to be blocked by the crushed stones in the interior.

[0005] The technical scheme of the utility model embodiment is implemented as follows:

[0006] A screening device, including base, extrusion assembly, vibration assembly, collection assembly are arranged on the base, the vibration assembly includes sliding frame, vibration motor fixedly installed on the sliding frame, hydraulic cylinder, four springs fixedly installed between the base and the sliding frame, a plurality of screening assemblies are rotatably arranged on the sliding frame, the output end of the hydraulic cylinder is fixedly installed with the meshing frame which is meshed with the screening assembly, the base is fixedly installed with the electric push rod, the output end of the electric push rod is fixedly connected with the collection assembly, and the collection assembly includes a support assembly and a plurality of collection boxes corresponding to the screening assemblies.

[0007] Preferably, the extrusion assembly includes a sliding seat slidably arranged on the base, and a plurality of ejector pin assemblies corresponding to the plurality of screening assemblies, a magnet for being adsorbed on the base is fixedly installed on one side of the bottom of the sliding seat, and the magnet is arranged to facilitate adsorption and fixation of the extrusion assembly on the base, so that the extrusion assembly is not easy to slide under the vibration of the vibration motor.

[0008] Preferably, two guide rods are fixedly installed on the base and penetrate through the sliding seat, the sliding frame and the bottom of the support assembly, and the sliding frame slides along the axial direction of the guide rods, so that the sliding frame, the sliding seat and the support assembly can be guided during sliding, and the sliding of the sliding frame, the sliding seat and the support assembly is more stable.

[0009] Preferably, the screening assembly includes two gears rotatably arranged on both sides of the sliding frame, and a screening box fixedly installed between the two gears, a plurality of screening holes corresponding to the ejector pin assemblies are formed in the screening box, the diameters of the screening holes in the screening box decrease in sequence from top to bottom, and the screening box is arranged to facilitate screening of the device on the gravel.

[0010] Preferably, the plurality of gears are meshed with the meshing frame, a gear slot is formed in one side of the meshing frame, two guide strips for guiding the meshing frame are fixedly installed on both sides of the sliding frame, and the meshing frame is arranged to facilitate rotation of the gears and facilitate tilting of the screening box on the gravel.

[0011] Preferably, the support assembly includes a support frame and a plurality of support strips corresponding to the plurality of collection boxes, the collection box is placed between the two support strips, recesses corresponding to both ends of the collection box are formed in the side of the two support strips which are close to each other, and the collection box is arranged to facilitate collection of the gravel screened by the device.

[0012] The above technical scheme is adopted in the embodiment of the utility model, and the following advantages are achieved:

[0013] The utility model discloses a through the installation of hydraulic cylinder, can drive the screening assembly to rotate, thereby making the screening assembly after rotation can be in vertical state, then sliding the sliding seat, the sliding of sliding seat drives the thimble assembly to slide, and the thimble assembly can extrude the broken stone in the screening assembly during the sliding, thereby making the screening assembly not easy to be jammed by the broken stone in the inside.

[0014] The utility model discloses a through the installation of electric push rod, can drive the collection assembly to slide, thereby making the collection assembly slide to one side of multiple screening assemblies, can collect all screened broken stone at a time.

[0015] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will be readily apparent to those skilled in the art from the drawings and detailed description of the utility model below. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Figure 1 It is a perspective view of the utility model;

[0018] Figure 2 It is a sectional view of the utility model;

[0019] Figure 3 It is a hydraulic cylinder structure diagram of the utility model;

[0020] Figure 4 It is a spring structure diagram of the utility model;

[0021] Figure 5 It is a vibration motor structure diagram of the utility model.

[0022] Reference signs: 1, base; 2, extrusion assembly; 3, vibration assembly; 4, collection assembly; 5, sliding frame; 6, vibration motor; 7, hydraulic cylinder; 8, spring; 9, screening assembly; 10, meshing frame; 11, electric push rod; 12, supporting assembly; 13, collection box; 14, sliding seat; 15, thimble assembly; 16, magnet; 17, guide rod; 18, gear; 19, screening box; 20, guide bar; 21, support frame; 22, support bar. DETAILED DESCRIPTION

[0023] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature and not limiting.

[0024] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0025] As Figures 1-5 shown, the embodiment of the present application provides a screening device, which comprises a base 1, an extrusion assembly 2, a vibration assembly 3 and a collection assembly 4 are slidably arranged on the base 1, the vibration assembly 3 comprises a sliding frame 5, a vibration motor 6 fixedly installed on the sliding frame 5, a hydraulic cylinder 7, four springs 8 fixedly installed between the base 1 and the sliding frame 5, a plurality of screening assemblies 9 are rotatably arranged on the sliding frame 5, an engagement frame 10 which is engaged with the screening assembly 9 is fixedly installed on the output end of the hydraulic cylinder 7, an electric push rod 11 is fixedly installed on the base 1, the output end of the electric push rod 11 is fixedly connected with the collection assembly 4, the collection assembly 4 comprises a supporting assembly 12, and a plurality of collection boxes 13 corresponding to the screening assemblies 9 are arranged.

[0026] In the embodiment, specifically, the extrusion assembly 2 comprises a sliding seat 14 slidably arranged on the base 1 and a plurality of ejector pin assemblies 15 corresponding to the plurality of screening assemblies 9, a magnet 16 for adsorbing on the base 1 is fixedly installed on one side of the bottom of the sliding seat 14, and the ejector pin assemblies 15 are arranged to facilitate the device to extrude the clogged gravel in the screening hole, so that the screening hole is not easy to be clogged.

[0027] In the embodiment, specifically, two guide rods 17 are fixedly installed on the base 1 and penetrate through the sliding seat 14, the sliding frame 5 and the bottom of the supporting assembly 12, the sliding frame 5 slides along the axial direction of the guide rod 17, and the sliding seat 14 is arranged to facilitate the sliding of the ejector pin assemblies 15 and the cleaning of the screening hole by the ejector pin assemblies 15.

[0028] In the embodiment, specifically, the screening assembly 9 comprises two gears 18 rotatably arranged on both sides of the sliding frame 5 and a screening box 19 fixedly installed between the two gears 18, a plurality of screening holes corresponding to the ejector pin assemblies 15 are formed in the screening box 19, the diameters of the screening holes on the screening box 19 decrease from top to bottom, and the screening holes are arranged to facilitate the step-by-step screening of the gravel by the screening box 19.

[0029] In this embodiment, specifically: a plurality of gears 18 are engaged with the engagement frame 10, the engagement frame 10 is provided with a tooth groove on one side, and the sliding frame 5 is fixedly provided with two guide strips 20 for guiding the engagement frame 10 on both sides, the guide strips 20 can guide the engagement frame 10 during sliding, so that the engagement frame 10 slides more stably.

[0030] In this embodiment, specifically: the support assembly 12 includes a support frame 21 and a plurality of support strips 22 corresponding to the plurality of collection boxes 13, the collection box 13 is placed between the two support strips 22, and the two support strips 22 are provided with grooves corresponding to the two ends of the collection box 13 on the side close to each other, so that the collection box 13 is not easy to slide off from the two support strips 22.

[0031] The utility model discloses in working: when the device needs to carry out gravel screening, then at this time, gravel is put into the top screening box 19, then at this time, start vibration motor 6, and vibration motor 6's opening drives sliding frame 5 to come and go cyclically reciprocating vibration, then at this time, the gravel in the screening box 19 is screened gradually, when gravel screening is completed, then at this time, a part of gravel is stuck in the screening hole on the screening box 19.

[0032] Then at this time, the screened gravel needs to be collected, then at this time, start electric push rod 11, and the opening of electric push rod 11 drives collection assembly 4 and collection box 13 to slide, then at this time, the collection box 13 slides to the bottom of screening box 19, then at this time, start hydraulic cylinder 7, and the opening of hydraulic cylinder 7 drives engagement frame 10 to slide, and the sliding of engagement frame 10 drives screening assembly 9 to rotate, and after screening assembly rotates to the vertical state, then at this time, the gravel in the screening box 19 falls into the corresponding collection box 13.

[0033] Then at this time, the gravel stuck in the screening hole needs to be extruded, then at this time, push extrusion assembly 2 to slide, then at this time, sliding seat 14 and thimble assembly 15 slide to the side close to screening assembly 9, then the thimble assembly 15 in the sliding process extrudes the gravel in the screening hole on the screening box 19, so that the screening box 19 is not easy to be blocked.

[0034] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A screening device comprising a base (1), characterized in that: The base (1) is slidably connected with an extrusion assembly (2), a vibration assembly (3) and a collecting assembly (4). The vibration assembly (3) comprises a sliding frame (5), a vibration motor (6) fixedly installed on the sliding frame (5), a hydraulic cylinder (7), four springs (8) fixedly installed between the base (1) and the sliding frame (5), a plurality of screening assemblies (9) rotatably connected to the sliding frame (5), and a meshing frame (10) fixedly installed on the output end of the hydraulic cylinder (7) and meshed with the screening assemblies (9). The base (1) is fixedly connected with an electric push rod (11), the output end of the electric push rod (11) is fixedly connected with the collecting assembly (4), and the collecting assembly (4) comprises a supporting assembly (12) and a plurality of collecting boxes (13) corresponding to the screening assemblies (9).

2. A screening apparatus according to claim 1, characterised in that: The extrusion assembly (2) comprises a sliding seat (14) slidably connected to the base (1), and a plurality of ejector pin assemblies (15) corresponding to the screening assemblies (9). The bottom side of the sliding seat (14) is fixedly connected with a magnet (16) for adsorbing the base (1).

3. A screening apparatus according to claim 2, characterised in that: The base (1) is fixedly connected with two guide rods (17) penetrating through the sliding seat (14), the sliding frame (5) and the bottom of the supporting assembly (12). The sliding frame (5) slides along the axial direction of the guide rod (17).

4. A screening apparatus according to claim 3, wherein: The screening assembly (9) comprises two gears (18) rotatably connected to the two sides of the sliding frame (5), and a screening box (19) fixedly installed between the two gears (18). The screening box (19) is provided with a plurality of screening holes corresponding to the ejector pin assemblies (15). The diameters of the screening holes on the screening box (19) gradually decrease from top to bottom.

5. A screening apparatus according to claim 4, characterised in that: The gears (18) are meshed with the meshing frame (10). The meshing frame (10) is provided with a gear slot on one side. The two sides of the sliding frame (5) are fixedly connected with two guide strips (20) for guiding the meshing frame (10).

6. A screening apparatus according to claim 5, wherein: The supporting assembly (12) comprises a supporting frame (21) and a plurality of supporting strips (22) corresponding to the collecting boxes (13). The collecting boxes (13) are placed between the two supporting strips (22). The two supporting strips (22) are provided with grooves corresponding to the two ends of the collecting boxes (13) on the side close to each other.

Images