Ore sand vibration screening equipment

Abstract

The utility model relates to the field of vibrating screens, and particularly discloses ore sand vibrating screening equipment which comprises a vibrating screen plate, a discharging hopper is arranged at the bottom of the vibrating screen plate, and a vibrating device is arranged between the vibrating screen plate and the discharging hopper. The vibration sieve plate comprises a top sieve plate, a bottom sieve plate is arranged at the bottom of the top sieve plate, first semicircular sieve holes are formed in the top sieve plate, first release holes are formed in one sides of the first semicircular sieve holes, second semicircular sieve holes are formed in the bottom sieve plate, and second release holes are formed in one sides of the second semicircular sieve holes; according to the utility model, when material sieve pores blocked in the vibration sieve plate need to be cleaned, the bottom sieve plate can be pulled out, so that the first semicircular sieve pores and the second semicircular sieve pores are expanded through the first release holes and the second release holes, and the pore diameters of the material sieve pores are increased, so that the blocked material sieve pores are quickly cleaned; and the material sieve holes can be cleaned in a self-vibration mode, so that the cleaning efficiency is improved, and meanwhile, the blocked material sieve holes can be vibrated to be through.

Description

Technical Field

[0001] The utility model relates to the field of vibrating screens, in particular to a mineral sand vibrating screening device. Background Art

[0002] Vibrating screen is a filtering mechanical separation equipment used for mud solid phase treatment. It is composed of screen and vibrator. The coarseness of the screen is expressed in mesh. Generally, the screen below 50 mesh is coarse screen, and the screen above 80 mesh is fine screen. The vibrator is an eccentric wheel, which rotates under the drive of the motor to make the screen frame vibrate. Due to the vibration of the screen frame, when the mud flows onto the screen surface, the coarser solid particles remain on the screen surface and are discharged from one end along the inclined surface.

[0003] When the existing vibrating screen is in use, materials will occasionally adhere to and clog the screen body, increasing the workload of the vibrating screen. Material clogging the screen holes is an unavoidable problem for the vibrating screen, but the materials stuck in the screen holes are generally stuck in the screen holes and are difficult to clean out. In addition, there are some materials that are completely stuck in the screen holes.

[0004] The technical problem to be solved by the present application is: how to quickly solve the blockage on the screen body and how to avoid the material on the screen hole from being completely stuck. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model aims to provide a mineral sand vibrating screening device which has fast blockage clearing, significant cleaning effect and extremely low probability of material getting stuck in the screen holes.

[0006] The technical scheme adopted by the utility model is: a mineral sand vibration screening equipment, including a vibrating screen plate, a lower hopper is provided at the bottom of the vibrating screen plate, and a vibrating device is provided between the vibrating screen plate and the lower hopper; the vibrating screen plate includes a top screen plate, a bottom screen plate is provided at the bottom of the top screen plate, a first semicircular screen hole is provided on the top screen plate, a first release hole is provided on one side of the first semicircular screen hole, a second semicircular screen hole is provided on the bottom screen plate, and a second release hole is provided on one side of the second semicircular screen hole; a material screen hole is provided on the vibrating screen plate, the bottom of the top screen plate is tightly fitted with the top of the bottom screen plate, and the first semicircular screen hole and the second semicircular screen hole are combined to form a material screen hole;

[0007] In the utility model, a bottom screen plate and a top screen plate are used to form a vibrating screen plate. When vibrating screening is performed, sand and gravel are screened through material screen holes composed of a first semicircular screen hole and a second semicircular screen hole. When the number of materials stuck in the material screen holes affects the screening efficiency of the ore sand vibration screening equipment, the bottom screen plate is pulled out to expand the first semicircular screen hole and the second semicircular screen hole through the first release hole and the second release hole, thereby increasing the aperture of the material screen hole, and then quickly clearing the clogged material screen hole.

[0008] In some embodiments, the skew angle of the vibrating plate is five percent.

[0009] In some embodiments, the vibrating screen plate is further provided with a placement groove for placing the bottom screen plate, the placement groove is provided with a fixing hole, a fixing pin is inserted in the fixing hole, and a plurality of positioning holes are provided on the bottom screen plate, and the aperture of the positioning holes is consistent with the aperture of the fixing holes.

[0010] In some embodiments, the vibration device includes a driving rod, one end of which is pinned to the side wall of the vibrating screen plate, and the other end of the driving rod is connected to an eccentric wheel. A transmission shaft is provided on one side of the eccentric wheel, and the transmission shaft is arranged on the lower hopper. A driving motor is provided on the lower hopper to drive the transmission shaft to rotate.

[0011] In some embodiments, an elastic connecting plate is further provided between the lower hopper and the vibrating screen plate. The elastic connecting plates are symmetrically distributed on both sides of the lower hopper, and the elastic connecting plates are arranged in an inclined state.

[0012] In some embodiments, a material sliding slope is provided inside the lower hopper, and a material hopper is placed at the end of the material sliding slope.

[0013] The beneficial effects of the utility model are:

[0014] (1) In the present invention, a bottom sieve plate and a top sieve plate are used to form a vibrating sieve plate. Since the bottom sieve plate and the top sieve plate are not an integral component, when the vibrating sieve plate vibrates, the vibration frequencies of the bottom sieve plate and the top sieve plate will also be different to a certain extent, resulting in the material being easily stuck in and then vibrated out of the vibrating sieve plate, thereby reducing the probability of the material blocking the material sieve holes.

[0015] (2) In the utility model, when it is necessary to clean the blocked material sieve holes on the vibrating screen plate, the bottom sieve plate can be pulled out, so that the first semicircular sieve holes and the second semicircular sieve holes are enlarged through the first release hole and the second release hole, thereby increasing the aperture of the material sieve holes, thereby quickly cleaning the blocked material sieve holes. Moreover, through this structure, the equipment can clean the material sieve holes in a self-vibrating manner, thereby improving the cleaning efficiency while also vibrating the blocked material sieve holes.

[0016] (3) In the utility model, a vibrating screen plate is used to screen the sand and gravel. The sand and gravel are limited by the aperture of the material screen holes on the vibrating screen plate and are screened out into two parts. The sand and gravel that is larger than the aperture of the material screen holes is retained on the vibrating screen plate and slides out from one end of the vibrating screen plate, while the sand and gravel that is smaller than the aperture of the material screen holes is vibrated and screened into the lower hopper and enters the material hopper along the sliding inclined surface.

[0017] (4) In the utility model, a driving motor is used to drive the eccentric wheel through a transmission shaft. When the eccentric wheel rotates, it pulls a driving rod pinned to the top of the eccentric wheel, and the driving rod causes the vibrating screen plate to vibrate, thereby causing the vibrating screen plate to vibrate and screen the sand and gravel materials on the top of the eccentric wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view of the mineral sand vibration screening equipment of the utility model;

[0019] Figure 2 It is a schematic diagram of the top structure of the top screen plate of the utility model;

[0020] Figure 3 It is a schematic diagram of the top view of the bottom screen plate of the utility model;

[0021] Figure 4 It is a left-side structural schematic diagram of the vibrating screen plate of the utility model;

[0022] Figure 5 It is a cross-sectional structural schematic diagram of the lower hopper of the utility model;

[0023] Figure 6 It is a three-dimensional structural schematic diagram of the transmission shaft of the utility model;

[0024] Figure 7 It is a schematic diagram of a separate enlarged structure of the material screen hole of the utility model.

[0025] In the figure: 1. vibrating screen plate; 10. top screen plate; 11. bottom screen plate; 12. material screen hole; 13. placement slot; 100. first semicircular screen hole; 101. first release hole; 110. second semicircular screen hole; 111. second release hole; 112. positioning hole; 130. fixing hole; 131. fixing pin; 2. lower hopper; 20. sliding material slope; 21. material hopper; 3. vibration device; 30. driving rod; 31. eccentric wheel; 32. transmission shaft; 33. driving motor; 4. elastic connecting plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 7 The utility model provides a technical solution: a mineral sand vibration screening device, comprising a vibrating screen plate 1, a lower hopper 2 is provided at the bottom of the vibrating screen plate 1, and a vibrating device 3 is provided between the vibrating screen plate 1 and the lower hopper 2; the skew angle of the vibrating screen plate 1 is 5%, and an elastic connecting plate 4 is further provided between the lower hopper 2 and the vibrating screen plate 1, and a sliding material inclined surface 20 is provided inside the lower hopper 2, and a material hopper 21 is placed at the end of the sliding material inclined surface 20;

[0028] When the vibrating screen plate 1 is working, the sand and gravel are screened into two parts according to a fixed diameter standard. One part is retained on the vibrating screen plate 1 and slides out from one end of the vibrating screen plate 1, and the other part is vibrated into the lower hopper 2 and enters the material hopper 21 along the sliding slope 20.

[0029] See also Figure 1 , Figures 5 to 6 The vibration device 3 includes a driving rod 30, one end of which is pinned to the side wall of the vibrating screen plate 1, and the other end of the driving rod 30 is connected to an eccentric wheel 31, a transmission shaft 32 is provided on one side of the eccentric wheel 31, and the transmission shaft 32 is arranged on the lower hopper 2. The lower hopper 2 is provided with a driving motor 33 for driving the transmission shaft 32 to rotate, and an elastic connecting plate 4 is also provided between the lower hopper 2 and the vibrating screen plate 1. The elastic connecting plates 4 are symmetrically distributed on both sides of the lower hopper 2, and the elastic connecting plates 4 are arranged in an inclined shape;

[0030] The driving motor 33 drives the eccentric wheel 31 to rotate through the transmission shaft 32, so that the eccentric wheel 31 pulls the driving rod 30 pinned on the top thereof to move. Since the vibrating screen plate 1 is fixed to the lower hopper 2 through the elastic connecting plate 4, when the driving motor 33 is started, the vibration device 3 can drive the vibrating screen plate 1 to vibrate, so that the vibrating screen plate 1 vibrates and screens the sand and gravel materials on its top.

[0031] See also Figures 1 to 4 The vibrating screen plate 1 comprises a top screen plate 10, a bottom screen plate 11 is provided at the bottom of the top screen plate 10, a first semicircular screen hole 100 is provided on the top screen plate 10, a first release hole 101 is provided on one side of the first semicircular screen hole 100, a second semicircular screen hole 110 is provided on the bottom screen plate 11, a second release hole 111 is provided on one side of the second semicircular screen hole 110; a material screen hole 12 is provided on the vibrating screen plate 1, the bottom of the top screen plate 10 is tightly fitted with the top of the bottom screen plate 11, and the first semicircular screen hole 100 and the second semicircular screen hole 110 are combined to form the material screen hole 12;

[0032] The bottom sieve plate 11 and the top sieve plate 10 cooperate to form a vibrating sieve plate 1. Since the bottom sieve plate 11 and the top sieve plate 10 are not an integral component, when the vibrating sieve plate 1 vibrates, there will be a certain difference in the vibration frequencies of the bottom sieve plate 11 and the top sieve plate 10, which causes the material to be easily vibrated out of the vibrating sieve plate 1 after being stuck in, thereby reducing the probability of the material blocking the material sieve hole 12. When the material sieve hole 12 is blocked, when the bottom sieve plate 11 is pulled out, the first semicircular sieve hole 100 and the second semicircular sieve hole 110 are expanded through the first release hole 101 and the second release hole 111, thereby increasing the aperture of the material sieve hole 12 to release the material stuck in the material sieve hole 12.

[0033] See also Figures 2 to 4The vibrating screen plate 1 is also provided with a placement groove 13 for placing the bottom screen plate 11, and the placement groove 13 is provided with a fixing hole 130, and a fixing pin 131 is inserted in the fixing hole 130. The bottom screen plate 11 is provided with a plurality of positioning holes 112, and the aperture of the positioning hole 112 is consistent with the aperture of the fixing hole 130;

[0034] The positioning holes 112 at different positions can be inserted and fixed in the fixing hole 130 by means of the fixing pin 131, so that the aperture of the material sieve hole 12 can be adjusted. Therefore, when the material sieve hole 12 is blocked, the aperture of the material sieve hole 12 can be increased for cleaning, and the ore sand vibration screening equipment can also be started to vibrate the material on the vibrating screen plate 1 out of the material sieve hole 12 with the enlarged aperture, so as to quickly clean the blocked material sieve hole 12, and the material sieve hole 12 is cleaned by the self-vibration of the equipment, which not only improves the efficiency, but also can vibrate the blocked material sieve hole 12.

[0035] The working principle and use process of the utility model are as follows: first, the sand and gravel materials are poured onto the vibrating screen plate 1, and the driving motor 33 is started. The driving motor 33 drives the eccentric wheel 31 to rotate through the transmission shaft 32, and the eccentric wheel 31 drives the driving rod 30 to move by self-rotation, so that the vibrating screen plate 1 vibrates under the cooperation of the vibrating device 3 and the elastic connecting plate 4;

[0036] Subsequently, the sand and gravel materials are separated through the material sieve holes 12 during vibration. The materials with a larger aperture than the material sieve holes 12 are retained on the vibrating screen plate 1 and slide out from one end of the vibrating screen plate 1. The materials with a smaller aperture than the material sieve holes 12 are vibrated and sieved into the lower hopper 2 and enter the lower hopper 2 in the material hopper 21 along the sliding slope 20.

[0037] When the amount of material and material screen holes 12 blocked affects the vibrating efficiency or vibrating effect of the vibrating screen plate 1, the material in the material hopper 21 is cleared out, and after the fixing pin 131 is pulled out, one end of the bottom screen plate 11 in the placement slot 13 is pulled, so that the first semicircular screen hole 100 and the second semicircular screen hole 110 are expanded through the first release hole 101 and the second release hole 111 to release the material stuck in the material screen hole 12;

[0038] Then, the positioning holes 112 on the pulled out bottom screen plate 11 can be inserted and fixed in the fixing holes 130 through the fixing pins 131, so that the aperture of the material screen hole 12 remains expanded, and then the ore sand vibration screening equipment is started to vibrate the material on the vibrating screen plate 1 out of the material screen hole 12 after the aperture is expanded, thereby quickly cleaning the blocked material screen hole 12, and the material screen hole 12 is cleaned by the self-vibration of the equipment, which not only improves the efficiency, but also can vibrate the blocked material screen hole 12. Moreover, since the bottom screen plate 11 and the top screen plate 10 are not an integral component in the ore sand vibration screening equipment, when the vibrating screen plate 1 vibrates, the vibration frequencies of the bottom screen plate 11 and the top screen plate 10 will also be different, which makes it easy for the material to be vibrated out of the vibrating screen plate 1 after being stuck, thereby reducing the probability of the material blocking the material screen hole 12.

[0039] Finally, it should be noted that the above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vibrating screening device for ore sand, comprising a vibrating screening plate (1), characterized in that: A lower hopper (2) is provided at the bottom of the vibrating screen plate (1), and a vibrating device (3) is provided between the vibrating screen plate (1) and the lower hopper (2); The vibrating screen plate (1) comprises a top screen plate (10), a bottom screen plate (11) is provided at the bottom of the top screen plate (10), a first semicircular screen hole (100) is provided on the top screen plate (10), a first release hole (101) is provided on one side of the first semicircular screen hole (100), a second semicircular screen hole (110) is provided on the bottom screen plate (11), and a second release hole (111) is provided on one side of the second semicircular screen hole (110); The vibrating screen plate (1) is provided with a material sieve hole (12), the bottom of the top sieve plate (10) and the top of the bottom sieve plate (11) are tightly fitted, and the first semicircular sieve hole (100) and the second semicircular sieve hole (110) are combined to form the material sieve hole (12).

2. The ore sand vibrating screening device according to claim 1, characterized in that: The skew angle of the vibrating screen plate (1) is 5 percent.

3. The ore sand vibrating screening device according to claim 1, characterized in that: The vibrating screen plate (1) is also provided with a placement groove (13) for placing the bottom screen plate (11), the placement groove (13) is provided with a fixing hole (130), a fixing pin (131) is inserted into the fixing hole (130), and the bottom screen plate (11) is provided with a plurality of positioning holes (112), the aperture of the positioning holes (112) is consistent with the aperture of the fixing holes (130).

4. The ore sand vibrating screening device according to claim 1, characterized in that: The vibrating device (3) comprises a driving rod (30), one end of which is pin-connected to the side wall of the vibrating screen plate (1), and the other end of the driving rod (30) is connected to an eccentric wheel (31), one side of the eccentric wheel (31) is provided with a transmission shaft (32), the transmission shaft (32) is arranged on the lower hopper (2), and the lower hopper (2) is provided with a driving motor (33) for driving the transmission shaft (32) to rotate.

5. The ore sand vibrating screening device according to claim 1, characterized in that: An elastic connecting plate (4) is also provided between the lower hopper (2) and the vibrating screen plate (1); the elastic connecting plates (4) are symmetrically distributed on both sides of the lower hopper (2), and the elastic connecting plates (4) are arranged in an inclined manner.

6. The ore sand vibrating screening device according to claim 1, characterized in that: A material sliding slope (20) is provided inside the lower hopper (2), and a material hopper (21) is placed at the end of the material sliding slope (20).

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