Vibrating screen tray structure of vibrating screen

Abstract

The vibrating screen tray structure of the vibrating screen relates to the technical field of vibrating screen trays and comprises a first screen tray and two second screen trays, a through groove is formed in the side wall of the first screen tray, the two second screen trays are arranged on the two sides of the interior of the through groove in a sliding mode, and a threaded rod is fixedly arranged in the middle of the lower surface of the first screen tray. First push rods are arranged on the two sides of the threaded rod correspondingly, the ends, close to each other, of the two first push rods are rotationally connected with first connecting blocks through first shaft pins, one sides of the first connecting blocks are fixedly connected with the side wall of the threaded rod, and fixing frames are fixedly arranged on the lower surfaces of the second screening discs on the two sides correspondingly. Second shaft pins are rotationally arranged on the sides, deviating from each other, of the two first push rods correspondingly, and one ends of the second shaft pins extend to the inner side of the fixing frame. The size of the screen plate can be adjusted, the screen plate can be conveniently connected with vibrating screens of different specifications, and the applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screen plates, in particular to a vibrating screen plate structure of a vibrating screen. Background Art

[0002] The vibrating screen works by utilizing the reciprocating vibration generated by the excitation of the vibrator. The upper rotating weight of the vibrator causes the screen surface to produce planar gyratory vibration, while the lower rotating weight causes the screen surface to produce conical gyratory vibration. The combined effect causes the screen surface to produce compound gyratory vibration. By adjusting the spatial phase angle of the upper and lower weights, the curve shape of the motion trajectory of the screen surface and the motion trajectory of the material on the screen surface can be changed.

[0003] The vibrating screen disc of a traditional vibrating screen is set to a fixed size, so it can only be used in conjunction with a vibrating screen of matching model. Different types of vibrating screens require the production of different types of vibrating screen discs, which not only increases production costs but also makes it inconvenient to replace damaged vibrating screen discs. Utility Model Content

[0004] In view of the problems existing in the vibrating screen plate structure of the above-mentioned existing vibrating screen, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a vibrating screen plate structure for a vibrating screen, which solves the problem that the vibrating screen plate of the vibrating screen in the prior art is set to a fixed size and can therefore only be used in conjunction with a vibrating screen of matching model, and different types of vibrating screens require the production of different types of vibrating screen plates, which not only increases the production cost but also makes it inconvenient to replace damaged vibrating screen plates.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A vibrating screen plate structure of a vibrating screen comprises a first sieve plate and a second sieve plate, the side wall of the first sieve plate is provided with a through groove, two second sieve plates are slidably arranged on both sides inside the through groove, a threaded rod is fixedly arranged in the middle of the lower surface of the first sieve plate, first push rods are arranged on both sides of the threaded rod, the close ends of the two first push rods are rotatably connected to the first connecting block through the first axle pin, one side of the first connecting block is fixedly connected to the side wall of the threaded rod, a fixing frame is fixedly arranged on the lower surface of the second sieve plate on both sides, a second axle pin is rotatably arranged on the opposite sides of the two first push rods, one end of the second axle pin extends to the inner side of the fixing frame, and the rod wall of the threaded rod is arranged on a pushing mechanism for pushing the two first push rods to rotate.

[0008] Preferably, the pushing mechanism includes a sliding sleeve and a second push rod, the sliding sleeve movably sleeved on the rod wall of the threaded rod, two second push rods are arranged between the two ends of the sliding sleeve and the corresponding first push rods, both ends of the two second push rods are rotatably connected with a second connecting block through a third axle pin, and a plurality of second connecting blocks are respectively fixedly connected to one side of the corresponding sliding sleeve and one end of the first push rod, the rod wall of the threaded rod and the threaded sleeve located on the upper side of the sliding sleeve are provided with a rotating ring, and the lower side of the rotating ring is rotatably connected to the sliding sleeve.

[0009] Preferably, a retaining ring is fixedly sleeved on the front end of the second axle pin, and the rear side of the retaining ring abuts against the front side of the fixing ring.

[0010] Preferably, the longitudinal sections of the first sieve tray and the second sieve tray are both rectangular.

[0011] Preferably, a mounting plate is fixedly provided on opposite sides of the two second sieve trays.

[0012] Preferably, the side wall of the rotating ring is provided with anti-slip texture.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The utility model rotates the rotating ring to move relative to the threaded rod, so that the sliding sleeve moves downward, and the two second push rods rotate toward the horizontal. The two second push rods push the corresponding first push rods to rotate toward the horizontal, and the two second shaft pins push the corresponding fixed frames, thereby driving the two second sieve plates to move relative to the first sieve plate, so that the size of the entire sieve plate structure can be adjusted, and it is convenient to connect with vibrating screens of different specifications, and the utility model has high applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 A schematic diagram of the structure of a vibrating screen plate of a vibrating screen proposed by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of a top view structure;

[0018] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0019] Description of reference numerals:

[0020] 1. First sieve plate; 2. Second sieve plate; 3. Mounting plate; 4. Fixed frame; 5. First push rod; 6. Second shaft pin; 7. Retaining ring; 8. Threaded rod; 9. Sliding sleeve; 10. First connecting block; 11. Rotating ring; 12. First shaft pin; 13. Second push rod; 14. Second connecting block; 15. Third shaft pin. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] The utility model embodiment discloses a vibrating screen plate structure of a vibrating screen.

[0023] Reference Figure 1-3 A vibrating screen plate structure of a vibrating screen comprises a first screen plate 1 and a second screen plate 2. A through groove is provided on the side wall of the first screen plate 1. Two second screen plates 2 are slidably arranged on both sides of the through groove. The longitudinal sections of the first screen plate 1 and the second screen plate 2 are both rectangular, so that the second screen plates 2 can slide stably. A mounting plate 3 is fixedly arranged on the opposite sides of the two second screen plates 2. The square plate connects and fixes the ends of the second screen plates 2 to the vibrating screen. A threaded rod 8 is fixedly arranged in the middle of the lower surface of the first screen plate 1. First push rods are arranged on both sides of the threaded rod 8. Rod 5, the close ends of the two first push rods 5 are rotatably connected to the first connecting block 10 through the first axle pin 12, one side of the first connecting block 10 is fixedly connected to the side wall of the threaded rod 8, and the lower surfaces of the second sieve plates 2 on both sides are fixedly provided with fixing frames 4, and the opposite sides of the two first push rods 5 are rotatably provided with second axle pins 6, one end of the second axle pin 6 extends to the inner side of the fixing frame 4, and the front end of the second axle pin 6 is fixedly sleeved with a retaining ring 7, and the rear side of the retaining ring 7 conflicts with the front side of the fixing ring to prevent the second axle pin 6 from slipping out of the inside of the fixing frame 4 as much as possible.

[0024] Reference Figure 1-3 The rod wall of the threaded rod 8 is arranged on a pushing mechanism for pushing the two first push rods 5 to rotate. The pushing mechanism includes a sleeve 9 and a second push rod 13. The sleeve 9 is movably sleeved on the rod wall of the threaded rod 8. The two second push rods 13 are arranged between the two ends of the sleeve 9 and the corresponding first push rods 5. Both ends of the two second push rods 13 are rotatably connected with a second connecting block 14 through a third shaft pin 15. Multiple second connecting blocks 14 are respectively fixedly connected to one side of the corresponding sleeve 9 and one end of the first push rod 5. The rod wall of the threaded rod 8 and the upper side of the sleeve 9 are threadedly sleeved with a rotating ring 11. The lower side of the rotating ring 11 is rotatably connected to the sleeve 9. The side wall of the rotating ring 11 is provided with anti-slip texture to prevent slipping during rotation as much as possible.

[0025] In the utility model, when in use, the rotating ring 11 is rotated to make the rotating ring 11 move relative to the threaded rod 8, that is, the sliding sleeve 9 is moved downward, that is, the two second push rods 13 are rotated toward the horizontal, and the two second push rods 13 push the corresponding first push rods 5 to rotate toward the horizontal, that is, the two second axle pins 6 push the corresponding fixed frame 5, and then drive the two second sieve plates 2 to move relative to the first sieve plate 1, that is, the size of the entire sieve plate structure can be adjusted, that is, it is convenient to connect with vibrating screens of different specifications, and it has high applicability.

[0026] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A vibrating screen plate structure of a vibrating screen, comprising a first screen plate (1) and a second screen plate (2), characterized in that: A through groove is provided on the side wall of the first sieve plate (1), and two second sieve plates (2) are slidably arranged on both sides of the through groove. A threaded rod (8) is fixedly arranged in the middle of the lower surface of the first sieve plate (1), and first push rods (5) are arranged on both sides of the threaded rod (8). The ends of the two first push rods (5) close to each other are rotatably connected to a first connecting block (10) through a first axle pin (12), and one side of the first connecting block (10) is fixedly connected to the side wall of the threaded rod (8). A fixed frame (4) is fixedly arranged on the lower surface of the second sieve plates (2) on both sides, and a second axle pin (6) is rotatably arranged on the opposite sides of the two first push rods (5), and one end of the second axle pin (6) extends to the inner side of the fixed frame (4). The rod wall of the threaded rod (8) is arranged on a driving mechanism for driving the two first push rods (5) to rotate. The pushing mechanism comprises a sliding sleeve (9) and a second push rod (13); the sliding sleeve (9) is movably sleeved on the rod wall of the threaded rod (8); two second push rods (13) are arranged between the two ends of the sliding sleeve (9) and the corresponding first push rods (5); both ends of the two second push rods (13) are rotatably connected to a second connecting block (14) through a third shaft pin (15); a plurality of second connecting blocks (14) are respectively fixedly connected to one side of the corresponding sliding sleeve (9) and one end of the first push rod (5); a rotating ring (11) is threadedly sleeved on the rod wall of the threaded rod (8) and located on the upper side of the sliding sleeve (9); and the lower side of the rotating ring (11) is rotatably connected to the sliding sleeve (9).

2. The vibrating screen plate structure of the vibrating screen according to claim 1, characterized in that: The front end of the second shaft pin (6) is fixedly sleeved with a retaining ring (7), and the rear side of the retaining ring (7) abuts against the front side of the fixing ring.

3. The vibrating screen plate structure of the vibrating screen according to claim 1, characterized in that: The longitudinal sections of the first sieve tray (1) and the second sieve tray (2) are both rectangular.

4. The vibrating screen plate structure of the vibrating screen according to claim 1, characterized in that: A mounting plate (3) is fixedly arranged on the opposite sides of the two second sieve plates (2).

5. The vibrating screen plate structure of the vibrating screen according to claim 1, characterized in that: The side wall of the rotating ring (11) is provided with anti-slip patterns.

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