Quartz sand screening device

Abstract

The utility model discloses a quartz sand screening device which comprises a supporting base, a screening net, a vibration motor, a discharging bin, a negative pressure suction device, a swing platform and a crushing device. The negative-pressure suction device comprises a negative-pressure fan, a suction pipe and a discharge pipe, and the screening net is provided with a first inclined surface which enables quartz sand on the surface to flow downwards relative to the horizontal plane. The crushing device disclosed by the utility model is used for refining and crushing quartz sand, refined and crushed quartz sand particles can fall onto the screening net to be screened, and the vibration motor can enable the screening net to vibrate, so that the quartz sand particles are moved and separated on the screening net, and the screening of the quartz sand is effectively realized; the screened quartz sand can fall into the discharging bin, the quartz sand which is not screened can be sucked into the crushing device again by the negative pressure suction device to be subjected to secondary crushing, the granularity requirement is met, the whole screening and crushing process is automatically carried out, the complexity of manual operation is omitted, and the screening efficiency of the quartz sand is effectively improved.

Description

Technical Field

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

[0002] Quartz sand particles are made from quartz stone through crushing. Quartz sand particles are a non-metallic mineral, a hard, wear-resistant, chemically stable silicate mineral. Its main mineral component is silicon dioxide. Quartz sand is an important industrial mineral raw material.

[0003] In the prior art, finished quartz sand is made by crushing large pieces of ore and then screening them multiple times. The quartz sand ore needs to be screened after the initial crushing, and the large particles of ore that do not meet the screening size are crushed again. The existing screening method is to put the crushed quartz sand particles into the screen and vibrate to make the qualified quartz sand particles fall, while the unqualified quartz sand particles often need to be manually collected and then poured into the crushing equipment for repeated crushing until the quartz sand material is crushed and screened to the required degree. This screening method is time-consuming and labor-intensive, and has low production efficiency.

[0004] Therefore, the existing technology has defects and needs to be improved. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a quartz sand screening device which can improve production efficiency and automatically collect quartz sand for secondary crushing.

[0006] To achieve this purpose, the utility model adopts the following technical solutions: a quartz sand screening device, including a support seat, a screening net, a vibration motor, a discharge bin, a negative pressure suction device, a swing platform and a crushing device;

[0007] The discharge bin is arranged on the support seat, the screening net is arranged above the discharge bin, and the screening net and the discharge bin are connected by a shock-absorbing spring, the vibration motor is arranged on the side wall of the screening net, and the vibration motor is used to make the screening net vibrate, and the screening net is used to screen the quartz sand on the surface and drop it into the discharge bin;

[0008] The swing platform is arranged above the screen mesh, the crushing device is arranged on the swing platform, the crushing device is used to refine and crush the quartz sand, the negative pressure suction device includes a negative pressure fan, a suction pipe and a discharge pipe, the negative pressure fan is arranged at the side end of the screen mesh, the suction pipe is connected to one end of the negative pressure fan, and the discharge pipe is connected to the other end of the negative pressure fan;

[0009] The screen mesh has a first inclined surface relative to the horizontal plane, which allows the quartz sand on the surface to flow downward. The inlet of the suction pipe is located at a low position of the first inclined surface, and the outlet of the discharge pipe is located above the crushing device. The negative pressure fan is used to suck the unscreened quartz sand on the screen mesh into the suction pipe, and transport it to the crushing device through the discharge pipe for secondary crushing.

[0010] According to the above technical solution, in the quartz sand screening device, the crushing device includes a rotary drive mechanism, a rotating shaft, a crushing chamber and a crushing hammer;

[0011] The crushing bin is arranged on the swinging platform, the top of the crushing bin has a feed hole, the bottom of the crushing bin has a discharge hole, the rotating shaft is horizontally arranged in the crushing bin, the crushing ring hammer is arranged on the rotating shaft, and the rotating drive mechanism is connected to the rotating shaft to drive the crushing ring hammer to hammer and crush the quartz sand in the crushing bin.

[0012] According to the above technical solutions, in the quartz sand screening device, the swing platform includes a bottom plate, a telescopic push rod, a bearing seat and a connecting shaft;

[0013] The bearing seats are provided on both sides of the support seat, the connecting shafts are provided on both sides of the base plate, and the connecting shafts are movably connected to the bearing seats, the base plate can swing around the connecting shafts, the telescopic push rods are provided at the side ends of the base plate, and the movable ends of the telescopic push rods are connected to the base plate;

[0014] The bottom plate is provided with an avoidance hole corresponding to the position of the discharge hole.

[0015] By adopting the above-mentioned technical solutions, in the quartz sand screening device, the discharge bin has a second inclined surface relative to the horizontal plane to facilitate the flow of quartz sand on the surface, and the inclination direction of the second inclined surface is opposite to that of the first inclined surface.

[0016] By adopting the above-mentioned technical solutions, in the quartz sand screening device, a discharge port is provided in the low-level area of ​​the discharge bin, and guide baffles with gradually decreasing widths are provided on both sides of the discharge port.

[0017] By adopting the above-mentioned technical solutions, in the quartz sand screening device, the screen mesh has filter holes for screening and filtering quartz sand, the aperture of the filter holes is 2-10 mm, and the part located in the low area of ​​the screen mesh is provided with a horizontal baffle.

[0018] By adopting the above-mentioned technical solutions, in the quartz sand screening device, the rotation drive mechanism includes a driving motor, a driving pulley, a driven pulley and a transmission belt, the driving pulley is connected to the output shaft of the driving motor, the driving motor is used to drive the driving pulley to rotate, the driven pulley is connected to the end of the rotating shaft, and the driving pulley and the driven pulley are connected by the transmission belt.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The crushing device of the utility model is used for finely crushing quartz sand. The finely crushed quartz sand particles can fall onto the screen net for screening. The vibration motor can make the screen net vibrate, so that the quartz sand particles can move and separate on the screen net, thereby effectively realizing the screening of the quartz sand. The screened quartz sand can fall into the discharge bin, and the quartz sand that has not been screened can be re-sucked into the crushing device by the negative pressure suction device for secondary crushing to meet the particle size requirements. The entire screening and crushing process is automated, eliminating the tedious manual operation and effectively improving the screening efficiency of the quartz sand. The swing platform can drive the crushing device to swing in position, so that the quartz sand attached to the inner wall of the crushing bin can be thrown off under the swinging action and contact the crushing ring hammer, thereby improving the crushing effect of the crushing device on the quartz sand. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] The structures, proportions, sizes, etc. depicted in the drawings of this specification are only used to match the contents disclosed in this specification so as to facilitate understanding and reading by those familiar with this technology. They are not intended to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modifications, changes in proportional relationships, or adjustments in size, without affecting the efficacy and objectives that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed in the present invention.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the overall structure of the utility model from another perspective;

[0025] Figure 3 It is a schematic diagram of the partial structure of the crushing device of the present utility model. DETAILED DESCRIPTION

[0026] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally located component.

[0028] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0029] like Figures 1 to 3 As shown, the embodiment of the present invention provides a quartz sand screening device, including a support base 1, a screening net 2, a vibration motor 3, a discharge bin 4, a negative pressure suction device 5, a swing platform 6 and a crushing device 7;

[0030] The discharge bin 4 is arranged on the support seat 1, the screen mesh 2 is arranged above the discharge bin 4, and the screen mesh 2 and the discharge bin 4 are connected by a shock-absorbing spring 8, and the vibration motor 3 is arranged on the side wall of the screen mesh 2. The vibration motor 3 is used to make the screen mesh 2 vibrate, and through the vibration, the quartz sand particles are moved and separated on the screen mesh 2, thereby effectively realizing the screening of the quartz sand. The screened quartz sand can be dropped into the discharge bin 4, and the discharge bin 4 can temporarily store the screened quartz sand so as to realize the continuous operation of the screening system; and the shock-absorbing spring 8 can play the role of shock absorption and buffering.

[0031] The swing platform 6 is arranged above the screen mesh 2, and the crushing device 7 is arranged on the swing platform 6. The crushing device 7 is used to refine and crush the quartz sand. The negative pressure suction device 5 includes a negative pressure fan 51, a suction pipe 52 and a discharge pipe 53. The negative pressure fan 51 is arranged at the side end of the screen mesh 2, the suction pipe 52 is connected to one end of the negative pressure fan 51, and the discharge pipe 53 is connected to the other end of the negative pressure fan 51. The screen mesh 2 has a first position relative to the horizontal plane to make the quartz sand on the surface flow downward. An inclined surface, the feed port of the suction pipe 52 is located at the lower position of the first inclined surface, the discharge port of the discharge pipe 53 is located above the crushing device 7, and the negative pressure fan 51 is used to suck the unscreened quartz sand on the screen mesh 2 into the suction pipe 52, and transport it to the crushing device 7 through the discharge pipe for secondary crushing, so as to re-crush the unqualified quartz sand particles to meet the particle size requirements. The entire screening and crushing process is automated, eliminating the tedious manual operation and effectively improving the screening efficiency of quartz sand.

[0032] like Figures 1 to 3 As shown, further, the crushing device 7 includes a rotary drive mechanism 71, a rotating shaft 72, a crushing bin 73 and a crushing ring hammer 74, the crushing bin 73 is arranged on the swing platform 6, the top of the crushing bin 73 has a feed hole 731, the bottom of the crushing bin 73 has a discharge hole, the rotating shaft 72 is horizontally arranged in the crushing bin 73, the crushing ring hammer 74 is arranged on the rotating shaft 72, the rotary drive mechanism 71 is connected to the rotating shaft 72 to drive the crushing ring hammer 74 to hammer and crush the quartz sand in the crushing bin 73, the high-speed rotating crushing ring hammer 74 can repeatedly hammer and squeeze the quartz sand to break the quartz sand particles into smaller particles. After crushing, the discharge hole at the bottom of the crushing bin 73 will transport the crushed quartz sand particles to the screen net 2 for subsequent screening processing.

[0033] like Figure 1 and Figure 2As shown, the swing platform 6 further includes a base plate 61, a telescopic push rod 62, a bearing seat 63, and a connecting shaft 64. The bearing seats 63 are located on both sides of the support base 1, and the connecting shaft 64 is located on both sides of the base plate 61 and is movably connected to the bearing seats 63. The base plate 61 can swing about the connecting shaft 64. The telescopic push rod 62 is located at the side of the base plate 61, and the movable end of the telescopic push rod 62 is connected to the base plate 61. The base plate 61 is provided with a clearance hole 610 corresponding to the position of the discharge hole. The swing platform 6 can drive the crushing device 7 to swing, so that the quartz sand adhered to the inner wall of the crushing chamber 73 can be thrown off by the swinging action and contact the crushing ring hammer 74, thereby improving the crushing effect of the crushing device 7 on the quartz sand. Specifically, when the position of the crushing device 7 needs to be swung, the telescopic push rod 62 can push the base plate 61 to swing about the connecting shaft 64.

[0034] like Figure 1 As shown, the discharge bin 4 further has a second inclined surface relative to the horizontal plane, which facilitates the flow and discharge of the quartz sand on the surface. The second inclined surface is inclined in the opposite direction to the first inclined surface. The quartz sand particles can flow along the inclined direction of the second inclined surface, preventing the quartz sand particles from stagnating or accumulating in the discharge bin 4, thereby achieving smooth discharge.

[0035] like Figure 1 As shown, a discharge port 41 is provided at the lower region of the discharge bin 4, and guide baffles 42 with gradually decreasing widths are provided on both sides of the discharge port 41. The guide baffles 42 with gradually decreasing widths on both sides can gradually gather the material during discharge and maintain it on a specific flow path, preventing the quartz sand particles from dispersing.

[0036] like Figure 1 As shown, the screen mesh 2 further comprises filter holes 20 for screening and filtering quartz sand. The filter holes 20 have a diameter of 2-10 mm, and a horizontal baffle 21 is provided in the lower region of the screen mesh 2. In this embodiment, the filter holes 20 have a diameter of 6 mm. The horizontal baffle 21 blocks larger particles of quartz sand, allowing them to be sucked away by the suction pipe 52 above through negative pressure suction.

[0037] like Figure 1 and Figure 2As shown, further, the rotation drive mechanism 71 includes a driving motor 711, a driving pulley (not shown), a driven pulley 712, and a transmission belt (not shown). The driving pulley is connected to the output shaft of the driving motor 711. The driving motor 711 is used to drive the driving pulley to rotate. The driven pulley 712 is connected to the end of the rotating shaft 72. The driving pulley and the driven pulley 712 are connected by the transmission belt. When the driving motor 711 rotates, the driven pulley 712 can be driven to rotate by the driving pulley, thereby driving the rotating shaft 72 connected to the driven pulley 712 to rotate, thereby driving the crushing ring hammer 74 to rotate at high speed to crush the quartz sand.

[0038] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A quartz sand screening device, characterized in that: It includes a support base, a screening net, a vibration motor, a discharge bin, a negative pressure suction device, a swing platform and a crushing device; The discharge bin is arranged on the support seat, the screening net is arranged above the discharge bin, and the screening net and the discharge bin are connected by a shock-absorbing spring, the vibration motor is arranged on the side wall of the screening net, and the vibration motor is used to make the screening net vibrate, and the screening net is used to screen the quartz sand on the surface and drop it into the discharge bin; The swing platform is arranged above the screen mesh, the crushing device is arranged on the swing platform, the crushing device is used to refine and crush the quartz sand, the negative pressure suction device includes a negative pressure fan, a suction pipe and a discharge pipe, the negative pressure fan is arranged at the side end of the screen mesh, the suction pipe is connected to one end of the negative pressure fan, and the discharge pipe is connected to the other end of the negative pressure fan; The screen mesh has a first inclined surface relative to the horizontal plane, which allows the quartz sand on the surface to flow downward. The inlet of the suction pipe is located at a low position of the first inclined surface, and the outlet of the discharge pipe is located above the crushing device. The negative pressure fan is used to suck the unscreened quartz sand on the screen mesh into the suction pipe, and transport it to the crushing device through the discharge pipe for secondary crushing.

2. The quartz sand screening device according to claim 1, characterized in that: The crushing device includes a rotary drive mechanism, a rotating shaft, a crushing chamber and a crushing ring hammer; The crushing bin is arranged on the swinging platform, the top of the crushing bin has a feed hole, the bottom of the crushing bin has a discharge hole, the rotating shaft is horizontally arranged in the crushing bin, the crushing ring hammer is arranged on the rotating shaft, and the rotating drive mechanism is connected to the rotating shaft to drive the crushing ring hammer to hammer and crush the quartz sand in the crushing bin.

3. The quartz sand screening device according to claim 2, characterized in that: The swing platform includes a base plate, a telescopic push rod, a bearing seat and a connecting shaft; The bearing seats are provided on both sides of the support seat, the connecting shafts are provided on both sides of the base plate, and the connecting shafts are movably connected to the bearing seats, the base plate can swing around the connecting shafts, the telescopic push rods are provided at the side ends of the base plate, and the movable ends of the telescopic push rods are connected to the base plate; The bottom plate is provided with an avoidance hole corresponding to the position of the discharge hole.

4. The quartz sand screening device according to claim 1, characterized in that: The discharge bin has a second inclined surface relative to the horizontal plane, which facilitates the flow and discharge of quartz sand on the surface. The second inclined surface is inclined in the opposite direction to the first inclined surface.

5. The quartz sand screening device according to claim 4, characterized in that: A discharge port is provided in the low area of ​​the discharge bin, and guide baffles with gradually decreasing widths are provided on both sides of the discharge port.

6. The quartz sand screening device according to claim 1, characterized in that: The screen mesh is provided with filter holes for screening and filtering quartz sand, the aperture of the filter holes is 2-10 mm, and a horizontal baffle is provided in the portion located in the low area of ​​the screen mesh.

7. The quartz sand screening device according to claim 2, characterized in that: The rotary drive mechanism includes a driving motor, a driving pulley, a driven pulley and a transmission belt. The driving pulley is connected to the output shaft of the driving motor. The driving motor is used to drive the driving pulley to rotate. The driven pulley is connected to the end of the rotating shaft. The driving pulley and the driven pulley are connected by the transmission belt.

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