Vibrating fine screen with abrasion reduction mechanism

Abstract

The utility model relates to the technical field of vibrating screens, in particular to a vibrating fine screen with a wear reducing mechanism. Comprising a screen shoe, a vibrating frame is slidably arranged in the middle of the screen shoe, the sliding rods are fixed to the end faces of the two sides of the vibrating frame at equal intervals, and the ends, away from the vibrating frame, of the sliding rods slide on the inner side of the screen shoe; the balls are limited on the inner sides of the bottoms of the sliding rods, and one ends of the balls are located on the outer sides of the sliding rods and are in rolling connection with the inner wall of the screen frame. According to the vibrating screen, the sliding rod is additionally arranged at the connecting position of the vibrating frame and the screen shoe, and the symmetrical balls are additionally arranged at the connecting position of the sliding rod and the screen shoe, so that the vibrating frame can roll on the inner wall of the screen shoe in the vibrating process through the balls, friction between the vibrating frame and the screen shoe is avoided, and the service life of the screen shoe and the vibrating frame is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of vibrating screen technology, and in particular to a vibrating fine screen with a wear-reducing mechanism. Background Technology

[0002] A vibrating screen works by utilizing the reciprocating rotary vibration generated by the vibrator. The upper rotating weight of the vibrator causes the screen surface to produce planar rotary vibration, while the lower rotating weight causes the screen surface to produce conical rotary vibration. The combined effect of these two factors results in a complex rotary vibration of the screen surface. The vibration trajectory is a complex spatial curve. The projection of this curve onto the horizontal plane is a circle, while its projection onto the vertical plane is an ellipse. Adjusting the excitation force of the upper and lower rotating weights can change the amplitude, while adjusting the spatial phase angle of the upper and lower weights can change the shape of the screen surface's motion trajectory and thus change the motion trajectory of the material on the screen surface.

[0003] Currently, during the operation of a vibrating screen, the screen mesh inside the screen will continuously rub against the inner wall of the screen frame during vibration. After prolonged use, this friction damage will occur between the screen mesh and the screen frame, causing damage to the vibrating screen.

[0004] Therefore, it is necessary to provide a vibrating fine screen with a wear-reducing mechanism to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a vibrating fine screen with a wear-reducing mechanism.

[0006] This utility model provides a vibrating fine screen with a wear-reducing mechanism, comprising: a screen frame, a vibrating frame slidingly in the middle of the screen frame, and further comprising:

[0007] The slide rod is fixed at equal intervals to the two end faces of the vibrating frame, and the end of the slide rod away from the vibrating frame slides on the inner side of the screen frame.

[0008] The ball bearing is located on the inner side of the bottom of the slide bar, and one end of the ball bearing is located on the outer side of the slide bar and is in rolling connection with the inner wall of the screen frame.

[0009] Preferably, symmetrical drive devices are fixed on both sides of the top of one end of the screen frame, and the drive devices are connected to the vibrating frame for transmission.

[0010] Preferably, a vibration groove is provided at the position where the screen frame connects to the vibration frame, the slide rod slides on the inner wall of the vibration groove, and the bottom surface of the ball rolls on the inner wall of the vibration groove.

[0011] Preferably, a protective spring is fixed at the middle of both ends of the inner wall of the vibration chute, and a protective baffle is fixed at the end of the protective spring away from the inner wall of the vibration chute, and the protective baffle slides on the inner wall of the vibration chute to limit its movement.

[0012] Preferably, the top surface of the slide bar is provided with a lubricating oil port, which is connected to the position where the ball rolls. The top of the two end faces of the outer wall of the screen frame is provided with oil inlets arranged at equal intervals, which are connected to the inner side of the lubricating oil port, and the oil inlets are correspondingly set with the slide bar.

[0013] Preferably, a contraction groove is provided on the inner wall of the vibration chute at the position where the protective spring is connected, and one end of the protective spring is fixed to the bottom surface of the contraction groove.

[0014] Compared with related technologies, the vibrating fine screen with a wear-reducing mechanism provided by this utility model has the following beneficial effects:

[0015] 1. This utility model adds a sliding rod at the connection between the vibrating frame and the screen frame, and adds symmetrical balls at the connection between the sliding rod and the screen frame, so that the vibrating frame can roll against the inner wall of the screen frame during vibration, thereby avoiding friction between the vibrating frame and the screen frame and improving the service life of the screen frame and the vibrating frame.

[0016] 2. This utility model adds protective springs to both ends of the inner wall of the vibrating chute, so that when the slide rod slides to both ends of the vibrating chute during operation, it can contact the protective spring, avoiding the slide rod from hitting the inner wall of the vibrating chute and improving the safety of the slide rod when sliding. The protective baffle added to the top of the protective spring limits the sliding to the inner wall of the vibrating chute, improving the stability of the protective spring when in contact with the slide rod. Attached Figure Description

[0017] Figure 1 A schematic diagram of a preferred embodiment of a vibrating fine screen with a wear-reducing mechanism provided by this utility model;

[0018] Figure 2 for Figure 1 The diagram shows the structure of the vibration frame.

[0019] Figure 3 for Figure 1 A schematic diagram of the bottom structure of the slide bar shown;

[0020] Figure 4 for Figure 1 The diagram shows a cross-sectional view of the vibration chute.

[0021] The following are the labels in the diagram: 1. Screen frame; 2. Vibrating frame; 3. Drive device; 4. Vibrating chute; 5. Slide rod; 6. Ball bearing; 7. Lubricating oil port; 8. Protective spring; 9. Protective baffle; 10. Oil inlet; 11. Shrinkage groove. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0023] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0024] Please refer to the accompanying drawings. An embodiment of this utility model provides a vibrating fine screen with a wear-reducing mechanism, the vibrating fine screen with the wear-reducing mechanism comprising:

[0025] Screen frame 1, with a vibrating frame 2 sliding in the middle of screen frame 1, also includes:

[0026] Slide rod 5 is fixed at equal intervals to the two end faces of the vibrating frame 2, and the end of slide rod 5 away from the vibrating frame 2 slides on the inner side of the screen frame 1.

[0027] The ball bearing 6 is located on the inner side of the bottom of the slide bar 5, and one end of the ball bearing 6 is located on the outer side of the slide bar 5 and is in rolling connection with the inner wall of the screen frame 1.

[0028] It should be noted that: symmetrical drive devices 3 are fixed on both sides of the top of one end of the screen frame 1. The drive devices 3 are connected to the vibrating frame 2. A vibrating groove 4 is provided at the position where the screen frame 1 connects to the vibrating frame 2. The slide rod 5 slides on the inner wall of the vibrating groove 4, and the bottom surface of the ball 6 rolls on the inner wall of the vibrating groove 4.

[0029] In this embodiment, a sliding rod 5 is added at the connection between the vibrating frame 2 and the screen frame 1, and symmetrical balls 6 are added at the connection between the sliding rod 5 and the screen frame 1. This allows the vibrating frame 2 to roll against the inner wall of the screen frame 1 using the balls 6 during vibration, thereby avoiding friction between the vibrating frame 2 and the screen frame 1 and improving the service life of the screen frame 1 and the vibrating frame 2.

[0030] In the embodiments of this utility model, please refer to the accompanying drawings. Protective springs 8 are fixed at the middle of both ends of the inner wall of the vibrating chute 4. A protective baffle 9 is fixed at the end of the protective spring 8 away from the inner wall of the vibrating chute 4. The protective baffle 9 is limited to slide on the inner wall of the vibrating chute 4. A lubricating oil port 7 is opened on the top surface of the slide rod 5. The lubricating oil port 7 is connected to the rolling position of the ball 6. Oil inlets 10 are arranged at equal intervals on the top of both ends of the outer wall of the screen frame 1. The oil inlets 10 are connected to the inner side of the lubricating oil port 7, and the oil inlets 10 are correspondingly set with the slide rod 5.

[0031] It should be noted that a contraction groove 11 is provided on the inner wall of the vibration chute 4 at the position where the protective spring 8 is connected, and one end of the protective spring 8 connected to the vibration chute 4 is fixed to the bottom surface of the contraction groove 11.

[0032] In this embodiment: the present invention adds protective springs 8 at both ends of the inner wall of the vibration groove 4, so that when the slide rod 5 slides to both ends of the vibration groove 4 during operation, it can contact the protective springs 8, thereby preventing the slide rod 5 from hitting the inner wall of the vibration groove 4 and improving the safety of the slide rod 5 when sliding. The protective baffle 9 added to the top of the protective spring 8 limits the sliding of the slide rod 5 to the inner wall of the vibration groove 4, thereby improving the stability of the protective spring 8 when it contacts the slide rod 5.

[0033] Operating Procedure: During operation, the drive device 3 drives the vibrating frame 2 to slide back and forth inside the screen frame 1. During the sliding process of the vibrating frame 2, the sliding rods 5 set on the outer walls on both sides slide inside the vibrating chute 4. During the sliding process of the sliding rods 5, the ball bearings 6 set on the bottom surface of the sliding rods 5 roll and abut against the inner wall of the vibrating chute 4. During the reciprocating sliding process of the sliding rods 5, the sliding rods 5 at both ends of the vibrating frame 2 will abut against the protective baffle 9 after sliding to the limit. The inertial force of the vibrating frame 2 during sliding will impact the outer wall of the protective baffle 9 through the sliding rods 5. After the protective baffle 9 is impacted by the force, it will be transmitted to the upper side of the protective spring 8 at its rear end, and the protective spring 8 will dissipate the force, thereby preventing the sliding rods 5 from impacting the inner wall of the vibrating chute 4 and improving the service life of the sliding rods 5.

[0034] It should be noted that when using the screen frame 1, lubricating oil can be added to the inside of the slide bar 5 through the oil inlet 10 to improve the sliding effect between the ball 6 and the inner wall of the vibrating slide groove 4 and reduce the wear between the ball 6 and the vibrating slide groove 4.

[0035] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0036] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A vibratory fine screen with a wear reduction mechanism comprising a screen frame (1) in which a vibrating frame (2) is slidably mounted, characterised in that, Also include: Slide bar (5), the slide bar (5) equidistantly fixed on both sides of the end surface of the vibration frame (2), the slide bar (5) far from the one end of the vibration frame (2) slides in the inside of the screen frame (1); Ball (6), the ball (6) is limited to the inside of the bottom of the slide bar (5), and the ball (6) one end is located in the outside of the slide bar (5) and the inner wall of the screen frame (1) rolling connection.

2. A vibratory fine screen with a wear reduction mechanism as claimed in claim 1, characterized in that, The screen frame (1) one end top is fixed with symmetric drive equipment (3), the drive equipment (3) is drivingly connected with the vibration frame (2).

3. A vibratory fine screen with a wear reduction mechanism as claimed in claim 1, wherein, The position of the screen frame (1) connected with the vibration frame (2) is provided with vibration chute (4), the slide bar (5) slides in the inner wall of the vibration chute (4), the bottom surface of the ball (6) rolls in the inner wall of the vibration chute (4).

4. A vibratory fine screen with a wear reduction mechanism as claimed in claim 3, wherein, The vibration chute (4) inner wall both ends middle part is fixed with protection spring (8), the protection spring (8) far from the one end of the inner wall of the vibration chute (4) is fixed with protection baffle (9), the protection baffle (9) is limited to slide in the inner wall of the vibration chute (4).

5. A vibratory fine screen with a wear reduction mechanism as claimed in claim 1, wherein, The top surface of the slide bar (5) is provided with lubricating oil port (7), the lubricating oil port (7) is communicated with the position of the ball (6) rolling, the outer wall both sides end surface top of the screen frame (1) is equipped with equidistantly arranged oil inlet (10), the oil inlet (10) is communicated with the inside of the lubricating oil port (7), and the oil inlet (10) is correspondingly arranged with the slide bar (5).

6. A vibratory fine screen with a wear reduction mechanism as claimed in claim 4, wherein, The position of the vibration chute (4) inner wall connected with the protection spring (8) is provided with contraction groove (11), the one end of the protection spring (8) connected with the vibration chute (4) is fixed to the inside bottom surface of the contraction groove (11).

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