Ultramicro quartz powder crushing device

Abstract

The utility model discloses an ultramicro quartz powder crushing device which comprises a rack, a primary crusher and a primary material receiving device, the primary crusher comprises a feeding box, the feeding box is located at the top end of the rack, a crushing box is arranged at the bottom end of the feeding box, and the primary material receiving device is arranged at the bottom end of the crushing box; the first-stage material receiving device comprises a vibrating screen, a first-stage material receiving box and a coarse material outlet, the vibrating screen is located at the bottom end of the crushing box, and screen holes are distributed in the vibrating screen; the vibrating screen is obliquely arranged, and a coarse material outlet is formed in the bottom end of the vibrating screen; one side of the middle position of the vibrating screen is connected with a vibrating motor, and the first-stage material receiving box is located below the vibrating screen; and the coarse material outlet is positioned on the outer side of the vertical downward projection area of the crushing box. According to the utility model, quartz sand raw materials are subjected to multi-stage crushing and grinding crushing, so that the purity of prepared quartz powder is higher, and multi-stage material receiving can be realized; and the vibrating screen is obliquely arranged and transversely lengthened, so that quartz powder is fully filtered, and material receiving is more sufficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to quartz powder crushing technical field, especially in ultra -micro quartz powder crushing device. BACKGROUND

[0002] Quartz sand is a kind of hard, wear-resistant, chemical property stable silicate mineral, its main mineral component is quartz, generally presents milk white, or colorless translucent, hardness 7, nature brittle no dissociation, shell-shaped fracture, oil gloss, density is 2.65, its chemistry, thermal and mechanical properties have obvious anisotropy, insoluble in acid, slightly soluble in KOH solution, melting point 1750 DEG C. Quartz sand mineral types usually can be divided into quartz sandstone, quartzite, vein quartz, quartz sand, quartz sand mine these categories.

[0003] The color of quartz powder is white powder, and the silicon content is very high, the hardness is high, and the specific gravity is large, which is mainly used in casting, glass, coating industry and the like. The ultra-micro quartz powder has high fineness, can replace part of nano silicon powder and white carbon black, and is mainly applied to rubber wear-resistant, coating wear-resistant, floor paint wear-resistant, polishing industry, grinding wheel and sandpaper industry. The prior art adopts a crushing device to prepare ultra-micro quartz powder from quartz sand as raw material, and there is the problem that the fineness of the prepared quartz powder does not meet the requirements, in addition, the structure design is unreasonable, energy consumption is large, and multi-stage material collecting cannot be realized. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a kind of ultra-micro quartz powder crushing device, including frame, primary crusher and primary material collecting device, primary crusher includes feed tank, feed tank is located at the top of frame, the bottom of feed tank is equipped with crushing box, the bottom of crushing box is equipped with primary material collecting device;

[0005] Primary material collecting device includes vibrating screen, primary material collecting tank and coarse material outlet, vibrating screen is located at the bottom of crushing box, and screen hole is arranged on vibrating screen;The vibrating screen is inclinedly arranged, and the vibrating screen bottom is provided with a coarse material outlet;Vibrating motor is connected to one side of the middle position of vibrating screen, and primary material collecting tank is located below vibrating screen;Coarse material outlet is located outside the vertical downward projection area of crushing box.

[0006] Preferably, the coarse material outlet is fixedly connected with the frame.

[0007] Preferably, the top end of the feed tank is provided with a baffle, and the end close to the feed tank of the baffle is provided with a hinge shaft;A cylinder is movably installed in the inside of the feed tank below the baffle, and the top end of the cylinder is provided with a movable shaft.

[0008] Preferably, it further includes secondary crusher, and the secondary crusher is a cone crusher, and the secondary crushing feed port of the cone crusher is located below the coarse material outlet.

[0009] Preferably, the fine grinder is further provided with a grinding feed inlet at the top of the fine grinder, and the grinding feed inlet is located below the discharge outlet of the cone crusher.

[0010] The fine grinder is provided with a tip structure inside the cavity, and the tip structure is located below the grinding feed inlet.

[0011] The tip structure is provided with a fixed rod below the tip structure, and the fixed rod is fixedly connected with the inner side wall of the cavity.

[0012] The fine grinder is provided with a discharge baffle at both ends of the bottom of the fine grinder, and the discharge baffle is provided with a handle outside the discharge baffle.

[0013] The fine grinder is fixedly connected with the rack.

[0014] Preferably, the tip structure is fixedly connected with the fixed rod.

[0015] Preferably, the fixed rod is provided with an agitating motor above the fixed rod, and an agitating rod is connected to the output shaft of the agitating motor.

[0016] Preferably, the fine grinder is further provided with a quartz dust transfer mechanism and a secondary material collecting box.

[0017] Preferably, the top surface of the feeding box is provided with a dust suction fan, and the dust suction fan is communicated with a dust suction pipe.

[0018] Beneficial effects

[0019] 1. The quartz sand raw material is crushed and ground in multiple stages, so that the prepared quartz powder has higher purity, and multiple material collection can be realized.

[0020] 2. The vibrating screen is obliquely arranged and horizontally lengthened, so that the quartz powder is fully filtered and the material collection is more sufficient.

[0021] 3. The agitating rod and the tip structure are rotated by the agitating motor in the fine grinder, so that the quartz particles can be agitated to avoid blocking and accumulation.

[0022] 4. The feed box is provided with a dust removal device to avoid dust escaping at the inlet of the primary crusher, thereby reducing dust pollution of the working environment. BRIEF DESCRIPTION OF DRAWINGS

[0023] The technical scheme of the utility model will be further explained below with reference to the drawings:

[0024] Figure 1 Fig. 1 is a structural schematic view of the ultrafine quartz powder crushing device of the utility model embodiment 1.

[0025] Figure 2 Fig. 2 is a structural schematic view of the dust removal device.

[0026] Figure 3 Fig. 3 is a structural schematic view of the fine grinding machine of the utility model embodiment 1.

[0027] Figure 4 Fig. 4 is a structural schematic view of the quartz dust transfer mechanism.

[0028] Figure 5 Fig. 5 is a structural schematic view of the fine grinding machine of the utility model embodiment 2.

[0029] Fig. 1 is a structural schematic view of the ultrafine quartz powder crushing device of the utility model embodiment 1. DETAILED DESCRIPTION

[0030] The preferred embodiments of the utility model will be described in detail below with reference to the drawings, so that the advantages and features of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0031] Embodiment 1

[0032] Please refer to Figures 1-4 The utility model discloses a kind of ultrafine quartz powder crushing devices, including rack 6, primary crusher, primary material collecting device, secondary crusher, fine grinding machine 10 and secondary material collecting device.

[0033] The primary crusher comprises a feeding box 3 located at the top end of a frame 6, a crushing box is installed at the bottom end of the feeding box 3, and a primary material collecting device is installed at the bottom end of the crushing box.

[0034] A baffle 20 is installed at the top end of the feeding box 3, the baffle 20 is provided with a hinge shaft 21 at one end close to the feeding box 3, and the baffle 20 is movably connected to the feeding box 3 through the hinge shaft 21, and the hinge shaft 21 serves as a movable support;

[0035] A cylinder 18 is movably installed inside the feeding box 3 below the baffle 20, a movable shaft 19 is installed at the top end of the cylinder 18, and the cylinder 18 is movably connected to the baffle 20 through the movable shaft 19; during use, the cylinder 18 is opened by operating a control panel, and the baffle 20 is driven to rotate by the cylinder 18 through the movable shaft 19 under the support of the feeding box 3, and the baffle 20 rotates around the hinge shaft 21 to open the baffle 20, thereby facilitating the delivery of quartz powder material, and then the baffle 20 is closed to prevent dust from flying outside, and the quartz powder material is conveyed from the feeding box 3 to the inside of the crushing box and crushed by the crushing rollers.

[0036] The primary material collecting device comprises a vibrating screen 5, a primary collecting box 8 and a coarse material outlet 15, the vibrating screen 5 is provided with screen holes and is obliquely arranged below the crushing rollers; one side of the vibrating screen 5 at the vertical middle position is connected to a vibrating motor 7, and the vibrating screen 5 vibrates under the drive of the vibrating motor 7, and the quartz powder smaller than the diameter of the screen holes falls into the primary collecting box 8 and is collected by a primary outlet 9; the quartz coarse particles roll downward, the vibrating screen 5 is provided with the coarse material outlet 15 at the bottom end, the quartz particles roll down from the vibrating screen 5 and are discharged from the coarse material outlet 15, the coarse material outlet 15 is located outside the vertical downward direction of the crushing box, the vibrating screen 5 is lengthened, the position of the coarse material outlet 15 is connected to the frame 6 for supporting the vibrating screen 5. The vibrating screen 5 is lengthened transversely to fully filter the quartz powder and facilitate collection.

[0037] A dust suction fan 23 is tightly installed on the top surface of the feeding box 3, and the dust suction fan 23 is connected to a dust suction pipe 22, one end of the dust suction pipe 22 penetrates through the top of the feeding box 3 and is connected to a dust suction hood 2, and the other end of the dust suction fan 23 is connected to a dust collecting box 1; the dust suction fan 23 is provided with a mounting plate 24 for mounting on the top of the feeding box 3; the dust suction fan 23 is automatically controlled to be turned on, the dust suction hood 2 serves as a suction port to absorb the dust generated during the crushing process of the raw materials at the primary crushing feeding port 17, so that the absorbed dust enters the dust collecting box 1 for collection, thereby avoiding the escape of dust at the primary crushing feeding port 17 and reducing the pollution of dust to the working environment.

[0038] The coarse material outlet 15 is provided below with a secondary crusher, the secondary crusher is selected from a cone crusher 13, the cone crusher 13 is fixedly connected with the rack 6, and the cone crusher can be selected from the existing cone crusher on the market, such as a hydraulic cone crusher, and the structure is not described in detail here. The cone crusher 13 is provided with a secondary crushing feed port 14, and the outlet of the cone crusher 13 is connected with a fine grinding machine 10.

[0039] A grinding feed port 26 is formed at the top of the fine grinding machine 10, and a sharp end structure 25 is provided below the grinding feed port 26 opposite the grinding feed port 26, and the top of the sharp end structure 25 is conical; a fixed rod 27 is arranged in the middle of the fine grinding machine cavity, the fixed rod 27 is fixedly connected with the inner side wall of the cavity, the fixed rod 27 is fixedly connected with the sharp end structure, and the fixed rod 27 is fixedly connected with a grinding motor 31 below,

[0040] The bottom of the grinding motor 31 is connected with a drive shaft 32, the bottom of the drive shaft 32 is fixedly provided with a crushing grinding plate 30, and the drive shaft 32 and the crushing grinding plate 30 are automatically controlled to grind and crush quartz particles.

[0041] The bottom of the fine grinding machine is provided with a discharge baffle 28 at both ends, the top of the discharge baffle 28 is fixedly provided with a magnetic plate, and the bottom of the discharge baffle 28 is welded with a handle 29. Large quartz blocks or impurities are retained at the inner bottom of the fine grinding machine, metal-containing particles in the quartz particles are adsorbed by the magnetic plate, and the discharge baffle 28 can be opened to take them out.

[0042] The quartz dust transfer mechanism includes a fan 34, a suction pipe 33 and an air outlet pipe 35, the fan 34 is installed on the rack 6, the suction pipe 33 is connected to the inner side end of the fan 34, the suction pipe 33 is connected to the inside of the fine grinding machine, the inner side end of the suction pipe 33 is provided with a suction port 11, the air outlet pipe 33 is connected to the right end of the fan 34, the lower end of the air outlet pipe 35 is provided with an air outlet 36, the quartz powder material is sucked through the suction pipe and the suction port, and then discharged through the air outlet pipe and the air outlet, and then enters the inside of the secondary material collecting box 12 through the secondary crushing feed port. The top of the secondary material collecting box 12 is provided with a feed port, and the air outlet 36 is arranged at the top of the feed port. The bottom of the secondary material collecting box 12 is provided with a quartz powder discharge port. The quartz dust transfer mechanism and the secondary material collecting box 12 constitute a secondary material collecting device.

[0043] The first material collecting box 8 and the second material collecting box 12 obtain quartz powder with different fineness, and the fineness can be adjusted and controlled, which can be used for different purposes.

[0044] In use, the external power supply is connected, first, the control panel is operated to open the air cylinder 18, under the support of the feed box 3, the baffle 20 is driven to rotate by the air cylinder 18 through the movable shaft 19, the baffle 20 rotates around the hinge shaft 21 as the axis to open the baffle 20, so as to facilitate the delivery of the quartz powder material, then the baffle 20 is closed to prevent dust from flying outside; the quartz powder material is conveyed from the feed box 3 to the inside of the crushing box and is crushed by the crushing roller. The dust suction fan 23 is automatically controlled to be turned on, the dust generated in the crushing process of the raw material at the primary crushing feed inlet 17 is absorbed, so that the absorbed dust enters the dust collecting box 1 for collection, the dust escaping at the primary crushing feed inlet 17 is avoided, and thus the pollution of dust to the working environment is reduced.

[0045] The crushed material falls on the inclined vibrating screen 5 and rolls downward, and the quartz powder smaller than the screen hole diameter falls in the primary material collecting box. The large quartz particles enter the cone crusher, are crushed to obtain quartz particles with smaller particle size, enter the fine grinding machine through the grinding feed inlet, fall into the inside of the fine grinding machine through the pointed structure, the grinding motor is started to automatically control the driving shaft and the crushing grinding plate to grind and crush the quartz particles, and the large quartz particles or impurities are retained at the inside bottom of the fine grinding machine. The metal-containing particles in the quartz particles are adsorbed by the magnetic adsorption plate, and the particles can be taken out by opening the discharge baffle. The fan 34 of the quartz dust transfer mechanism is started, so that the quartz powder material is sucked into the quartz powder material through the air suction port 11 at the inside end of the air suction pipe 33, and then is discharged through the air outlet 36 at the bottom of the air outlet pipe 35, and then enters the secondary material collecting box 12.

[0046] Embodiment 2

[0047] As shown in Figure 5 , the embodiment discloses another way of ultrafine quartz powder crushing device, different from embodiment 1, the fixed rod 27 of the fine grinding machine 10 is provided with an agitating motor 38 above, the output shaft of the agitating motor 38 is connected with an agitating rod 37, and the top end of the output shaft is connected with the pointed structure 25. The agitating motor 38 is automatically started, the agitating motor 38 drives the agitating rod 37 and the pointed structure 25 to rotate, and the quartz particles are agitated to avoid blocking and accumulation.

[0048] In the description of the utility model, it needs to explain, the terms "upper", "lower", "left", "right", "top", "bottom", "side", "end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the restriction to the utility model.

[0049] In addition, in the description of the embodiments of the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "setting", "provided with" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for crushing ultrafine quartz powder, characterized in that, Including frame (6), primary crusher and primary collecting device, the primary crusher includes feed box (3), the feed box (3) is located at the top of frame (6), the bottom of feed box (3) is provided with a crushing box, the bottom of the crushing box is provided with a primary collecting device; The primary collecting device includes a vibrating screen (5), a primary collecting box (8) and a coarse material outlet (15), the vibrating screen (5) is located at the bottom of the crushing box, and screen holes are arranged on the vibrating screen (5);The vibrating screen (5) is inclinedly arranged, and the vibrating screen (5) is provided with a coarse material outlet (15) at the bottom;One side of the middle position of the vibrating screen (5) is connected with a vibrating motor (7), and the primary collecting box (8) is located below the vibrating screen (5);The coarse material outlet (15) is located outside the vertical downward projection area of the crushing box; The coarse material outlet (15) is fixedly connected with the frame (6); The top of the feed box (3) is provided with a baffle (20), one end of the baffle (20) close to the feed box (3) is provided with a hinge shaft (21);A cylinder (18) is symmetrically movably installed in the feed box (3) below the baffle (20), and a movable shaft (19) is installed at the top of the cylinder (18); It also includes a secondary crusher, the secondary crusher is a cone crusher (13), and a secondary crushing feed port (14) of the cone crusher (13) is located below the coarse material outlet (15); It also includes a fine grinding machine (10), and the top of the fine grinding machine (10) is provided with a grinding feed port (26), and the grinding feed port (26) is located below the discharge port of the cone crusher (13); The cavity of the fine grinding machine (10) is provided with a pointed structure (25), the pointed structure (25) is located below the grinding feed port (26), and the top of the pointed structure (25) is conical; A fixed rod (27) is arranged below the pointed structure (25), and the fixed rod (27) is fixedly connected with the inner side wall of the cavity;The bottom of the fixed rod (27) is fixedly connected with a grinding motor (31), the bottom of the grinding motor (31) is connected with a driving shaft (32), and the bottom of the driving shaft (32) is fixedly provided with a crushing grinding plate (30); The bottom of the fine grinding machine (10) is provided with a discharge baffle (28), and the outer side of the discharge baffle (28) is provided with a handle (29); The fine grinding machine (10) is fixedly connected with the frame (6); The pointed structure (25) is fixedly connected with the fixed rod (27); An agitating motor (38) is arranged above the fixed rod (27), an agitating rod (37) is connected to the output shaft of the agitating motor (38), and the top end of the output shaft of the agitating motor (38) is fixedly connected with the pointed structure (25); Also include quartz dust transfer mechanism and secondary material receiving box (12), the quartz dust transfer mechanism includes fan (34), air suction pipe (33) and air outlet pipe (35), fan (34) is fixedly connected with rack (6), air suction pipe (33) is connected to the inside end of fan (34), air suction pipe (33) is connected to the inside of fine grinding machine (10), the inside end of air suction pipe (33) is equipped with air suction port (11), air outlet pipe (35) is connected to the right end of fan (34), the lower end of air outlet pipe (35) is equipped with air outlet (36), the air outlet (36) below is equipped with secondary material receiving box (12); The top surface of the feed box (3) is provided with a dust suction fan (23), and the dust suction fan (23) is communicated with a dust suction pipe (22). One end of the dust suction pipe (22) is communicated with a dust suction cover (2) through the top of the feed box (3). The other end of the dust suction fan (23) is communicated with a dust collecting box (1).

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