Uniform material distribution device of linear vibrating screen

Abstract

The utility model discloses a uniform material distribution device of a linear vibrating screen, relates to the field of vibrating screens, and aims to solve the problems of low screening efficiency and high follow-up maintenance cost of an actual screening working device caused by non-uniform distribution of screened materials on the linear vibrating screen. The discharging pipe is fixedly connected with a splash-proof box, the outer side of the splash-proof box is fixedly connected with a supporting frame, a straight vibration screen is arranged in the supporting frame and located below the splash-proof box, the splash-proof box is rotationally connected with a material distribution disc, and the material distribution disc is located under the discharging pipe. Screen materials are evenly distributed in the vibrating screen, the utilization rate of the screen face is fully utilized, the situation that the screen cloth is locally stressed is avoided, and the screening efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a linear vibrating screen even material distribution device. BACKGROUND

[0002] Linear vibrating screen is an important equipment widely used in mining, metallurgy, chemical industry and other industries, and its screening efficiency and processing capacity directly affect the overall efficiency of production line and product quality. However, in practical application, due to the feeding point of the feeding machine is usually cylindrical or narrow, and the screen surface of the linear vibrating screen is relatively wide, combined with the working principle of the forward parabolic trajectory of the linear vibrating screen, the material moves forward rapidly after entering the linear vibrating screen, and often cannot be quickly and evenly dispersed on the entire screen surface.

[0003] Due to the narrow feeding point, the initial distribution of the material on the screen surface is extremely uneven, and the material on one side is accumulated too thick, and the material on the other side may be sparse. This uneven material distribution not only reduces the utilization rate of the screen surface, but also may cause local excessive wear of the screen, shortening the service life. At the same time, due to the low utilization rate of the screen surface, the processing capacity of the linear vibrating screen cannot be fully utilized, and it cannot meet the high-yield screening requirements; in addition, the material cannot be quickly and evenly dispersed on the screen surface, resulting in material accumulation in some areas, reducing the screening efficiency, and the accumulated material may block the screen holes, further affecting the screening effect. SUMMARY

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a linear vibrating screen even material distribution device, which effectively solves the problem of uneven distribution of material on the linear vibrating screen, thereby reducing the screening efficiency of the actual screening device and the high maintenance cost.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model discloses a storage hopper, the storage hopper lower fixedly connected with the discharge pipe, the discharge pipe fixedly connected with the splash-proof box, the splash-proof box outside fixedly connected with the support frame, the support frame is equipped with linear vibrating screen in, the linear vibrating screen is located below the splash-proof box, the splash-proof box rotationally connected with the material distribution disc, the material distribution disc is located directly below the discharge pipe;

[0006] The material distribution disc includes a conical disc, a plurality of equally distributed rib plates are fixedly connected to the side edge of the conical disc, a supporting beam is fixedly connected in the splash-proof box, the supporting beam is rotationally connected with the conical disc, a lever is fixedly connected to the conical disc, and the lever and the conical disc are located above the supporting beam.

[0007] Preferably, the cloth disc further comprises a driving shaft, the driving shaft is rotationally connected with the storage hopper, two groups of symmetrical spiral blades are fixedly connected on the driving shaft, and a synchronous driver is connected between the driving shaft and the conical disc.

[0008] Preferably, the synchronous driver comprises a first pulley, a connecting belt and a second pulley, the first pulley is fixedly connected with the driving shaft, a worm is fixedly connected with the second pulley, the worm is engaged with a worm wheel, the worm wheel is fixedly connected with the conical disc, and the worm wheel and the worm are located below the support beam.

[0009] Preferably, an elastic plate is fixedly connected between the support frame and the straight vibration screen below the straight vibration screen, a V-shaped groove is arranged above the straight vibration screen, and a collecting pipe is arranged below the groove and fixedly connected with the straight vibration screen.

[0010] Preferably, an anti-blocking assembly is arranged in the discharge pipe and located between the driving shaft and the conical disc.

[0011] Preferably, the anti-blocking assembly comprises a spiral feeding rod, the bottom of the spiral feeding rod is fixedly connected with the conical disc, an axle sleeve is rotationally connected with the upper end of the spiral feeding rod, the axle sleeve is rotationally connected with the driving shaft, support rods are fixedly connected with the driving shaft on both sides, and the support rods are fixedly connected with the storage hopper.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The cloth disc is arranged below the cylindrical discharge pipe, the conical disc in the cloth disc rotates to diffuse the screened material to the periphery, the utilization rate of the screen surface of the straight vibration screen below is improved, the screened material is dispersed and arranged on the surface of the straight vibration screen, the screened material is prevented from being accumulated, and the rapid screening of the screened material is facilitated.

[0014] The splash-proof box is arranged above the straight vibration screen, the splash-proof box prevents the screened material from splashing outward, prevents the waste of the screened material, reduces the dust flying outward, and ensures that the screened material is fully dropped on the straight vibration screen. DETAILED DESCRIPTION

[0015] Figure 1 It is a whole structure schematic view of the utility model embodiment 1.

[0016] Figure 2 It is a section structure state schematic view of the utility model storage hopper.

[0017] Figure 3 It is an internal structure schematic view of the utility model splash-proof box.

[0018] Figure 4 It is an internal structure schematic view of the utility model straight vibration screen.

[0019] Figure 5 It is the cross section structure schematic view of the embodiment 2 of the utility model.

[0020] Figure 6 It is the spiral feeding rod connecting structure schematic view of the utility model.

[0021] The figure mark: 1, storage hopper;2, discharge pipe;3, splash-proof box;4, support frame;5, straight vibration screen;6, cloth distribution disc;601, conical disc;602, rib plate;603, support beam;604, shift lever;605, drive shaft;606, spiral blade;7, first pulley;8, connecting belt;9, second pulley;10, worm;11, worm wheel;12, elastic plate;13, groove;14, collection pipe;15, spiral feeding rod;16, shaft sleeve;17, support rod. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment 1

[0023] Please refer to the drawings of the embodiments of the utility model Figures 1-4 The embodiment of the utility model discloses a linear vibration screen uniform material distribution device: including storage hopper 1, the lower fixed connection of storage hopper 1 has discharge pipe 2, discharge pipe 2 is fixedly connected with splash-proof box 3, the outer side of splash-proof box 3 is fixedly connected with support frame 4, the inside of support frame 4 is equipped with straight vibration screen 5, straight vibration screen 5 is located below splash-proof box 3, splash-proof box 3 is rotatably connected with cloth distribution disc 6, cloth distribution disc 6 is located directly below discharge pipe 2;The cloth distribution disc 6 includes conical disc 601, the side of conical disc 601 is fixedly connected with multiple equally-angled rib plates 602, the inside of splash-proof box 3 is fixedly connected with support beam 603, support beam 603 is rotatably connected with conical disc 601, conical disc 601 is fixedly connected with shift lever 604, shift lever 604 and conical disc 601 are all located above support beam 603.

[0024] The storage hopper 1, the discharge pipe, the splash-proof box 3 and the straight vibrating screen 5 are stacked from top to bottom, the upper end of the storage hopper 1 is a structure without a cover, the cross section of the storage hopper 1 is an inverted trapezoidal shape, the opening at the upper end of the storage hopper 1 has a larger cross section, so that it is convenient to put the materials into the storage hopper 1, the storage hopper 1 is communicated with the splash-proof box 3 through the discharge pipe, the cloth distribution disc 6 is located directly below the discharge pipe, the diameter of the cloth distribution disc 6 is larger than the diameter of the discharge pipe, the sieve materials falling from the discharge pipe will fall onto the cloth distribution disc 6, the cloth distribution disc 6 rotates at high speed in the splash-proof box 3, when the cloth distribution disc 6 contacts the falling sieve materials, the cloth distribution disc 6 has an oblique cutting force on the sieve materials, so that the sieve materials are scattered to the four sides of the cloth distribution disc 6, the size of the splash-proof box 3 is the same as the size of the straight vibrating screen 5, the splash-proof box 3 ensures that the sieve materials can fall onto the straight vibrating screen 5 after being scattered to the four sides, avoiding that the sieve materials are scattered everywhere, through the rotation of the cloth distribution disc 6, the sieve materials can be laid flat on the straight vibrating screen 5, so as to improve the utilization rate of the sieve screen at the upper end of the straight vibrating screen 5 and improve the screening efficiency of the straight vibrating screen 5.

[0025] The cloth distribution disc 6 is composed of a rotating conical disc 601, a rib plate 602 and a push rod 604, the side surface of the conical disc has a downward inclined conical surface, so that the sieve materials can better roll down on the conical disc 601 and cannot be stored on the conical disc 601, the rib plate 602 has a plurality of rib plates 602 which are distributed at equal angles on the side surface of the conical disc 601, the rib plate 602 can better contact the sieve materials and uniformly disperse the sieve materials to the four sides, the push rod 604 extends outward relative to the conical disc 601, the lower section of the conical disc 601 is stably supported by a support beam 603, the support beam 603 has a movable width, when the conical disc 601 rotates, the push rod 604 can sweep the sieve materials at the upper end of the support beam 603, avoiding that too much sieve materials are accumulated on the support beam 603; further, in order to improve the discharging efficiency of the storage hopper 1, a driving shaft 605 is installed in the storage hopper 1, two groups of spiral blades 606 are installed on the driving shaft 605, when the driving shaft 605 rotates, the two groups of spiral blades 606 rotate synchronously, the two groups of spiral blades 606 transport the sieve materials at the two ends of the storage hopper 1 to the middle of the discharge pipe, so as to discharge the sieve materials in the storage hopper 1 from the discharge pipe faster, ensuring the supply speed of the sieve materials during screening; in order to reduce the manufacturing cost of the device, the driving shaft 605 and the conical disc 601 can share a set of power system, the first pulley 7 and the second pulley 9 are connected by a connecting belt 8, the second pulley 9 or the first pulley 7 is connected with a driving motor, when the motor works, the first pulley 7 and the second pulley 9 rotate synchronously through the action of the connecting belt 8, the first pulley 7 drives the driving shaft 605 to rotate, the driving shaft 605 drives the two groups of spiral blades 606 to rotate, at this time, the discharging efficiency of the storage hopper 1 is accelerated, the rotation of the second pulley 9 drives the conical disc 601 to rotate through the meshing of the worm 10 and the worm wheel 11, the rotation of the conical disc 601 is synchronous with the rotation of the driving shaft 605, while accelerating the discharging, the sieve materials are uniformly distributed.

[0026] Support frame 4 and four elastic plate 12 between the straight vibration screen 5, straight vibration screen 5 below the vibrator, the vibrator works, through the four elastic plate 12 rebound effect makes straight vibration screen 5 shaking, straight vibration screen 5 on the groove 13 and straight vibration screen 5 vibration direction is ninety degrees angle placed, straight vibration screen 5 in the screen movement overshoot, some large pieces of screen material concentrated in the bottom of the groove 13, so that the large pieces of screen material does not occupy the screen larger area, facilitate subsequent screening work. Example 2

[0027] With the above embodiment structure is the same, as Figure 5 and Figure 6 The embodiment is different from the above embodiment structure, the specific difference is that: the discharge pipe is provided with an anti-blocking assembly, the anti-blocking assembly is located between the driving shaft 605 and the conical disc 601; the anti-blocking assembly comprises a spiral feeding rod 15, the bottom of the spiral feeding rod 15 is fixedly connected with the conical disc 601, the upper end of the spiral feeding rod 15 is rotatably connected with a shaft sleeve 16, the shaft sleeve 16 is rotatably connected with the driving shaft 605, the driving shaft is fixedly connected with support rods 17 on both sides, and the support rods 17 are fixedly connected with the storage hopper 1.

[0028] The spiral feeding rod 15 is installed in the discharge pipe, the spiral feeding rod is located between the driving shaft 605 and the conical disc 601, the spiral feeding rod 15 rotates synchronously with the conical disc 601, the shaft sleeve 16 at the upper end is supported by the spiral feeding rod 15 at the upper end, the support rods 17 are used for fixing the shaft sleeve 16, the shaft sleeve 16 is sleeved outside the driving shaft 605, the rotation of the conical disc 601 drives the rotation of the spiral feeding rod 15, and the spiral feeding rod 15 avoids the situation that the discharge pipe is blocked due to the mutual extrusion between the screen materials when the driving shaft 605 rotates to discharge materials, the spiral feeding pipe avoids the blockage of the discharge pipe, and the screening process is ensured to proceed smoothly.

[0029] Finally, it should be explained that: the above only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A uniform material distribution device for a linear vibrating screen, characterized in that: Includes a storage hopper (1), a discharge pipe (2) is fixedly connected below the storage hopper (1), a splash guard (3) is fixedly connected to the discharge pipe (2), a support frame (4) is fixedly connected to the outside of the splash guard (3), a straight vibrating screen (5) is provided inside the support frame (4), the straight vibrating screen (5) is located below the splash guard (3), and a cloth distribution plate (6) is rotatably connected to the splash guard (3), the cloth distribution plate (6) is located directly below the discharge pipe (2); The fabric tray (6) includes a conical tray (601), and a plurality of equally spaced ribs (602) are fixedly connected to the side of the conical tray (601). A support beam (603) is fixedly connected inside the splash box (3). The support beam (603) is rotatably connected to the conical tray (601). A lever (604) is fixedly connected to the conical tray (601). The lever (604) and the conical tray (601) are both located above the support beam (603).

2. The linear vibrating screen uniform material distribution device according to claim 1, characterized in that: The fabric disc (6) also includes a drive shaft (605), which is rotatably connected to the storage hopper (1). Two sets of symmetrically distributed spiral blades (606) are fixedly connected to the drive shaft (605), and a synchronous driver is connected between the drive shaft (605) and the conical disc (601).

3. The linear vibrating screen uniform material distribution device according to claim 2, characterized in that: The synchronous drive includes a first pulley (7), a connecting belt (8), and a second pulley (9). The first pulley (7) is fixedly connected to the drive shaft (605), and the second pulley (9) is fixedly connected to a worm (10). The worm (10) meshes with a worm wheel (11), and the worm wheel (11) is fixedly connected to the conical disc (601). The worm wheel (11) and the worm (10) are located below the support beam (603).

4. The linear vibrating screen uniform material distribution device according to claim 1, characterized in that: An elastic plate (12) is fixedly connected between the lower part of the vibrating screen (5) and the support frame (4). A V-shaped groove (13) is provided above the vibrating screen (5). A collection pipe (14) is provided below the groove (13). The collection pipe (14) is fixedly connected to the vibrating screen (5).

5. The linear vibrating screen uniform material distribution device according to claim 2, characterized in that: The discharge pipe is equipped with an anti-blocking component, which is located between the drive shaft (605) and the conical disc (601).

6. The linear vibrating screen uniform material distribution device according to claim 5, characterized in that: The anti-clogging component includes a spiral feed rod (15), the bottom of which is fixedly connected to the conical disc (601), and a bushing (16) is rotatably connected to the upper end of the spiral feed rod (15). The bushing (16) is rotatably connected to the drive shaft (605), and support rods (17) are fixedly connected to both sides of the drive shaft. The support rods (17) are fixedly connected to the storage hopper (1).

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