Grinding device for preparing coal series kaolinite

Abstract

The utility model relates to the technical field of coal series kaolinite grinding, in particular to a grinding device for preparing coal series kaolinite. In order to solve the problem that in the prior art, an elastic part at a feeding port used for adjusting the feeding speed in a grinding device is prone to damage, so that the overhaul cost of the device is high, the novel grinding device for preparing the coal series kaolinite is provided, guide grooves which are obliquely and downwards formed are formed in the two inner walls oppositely arranged at the feeding port, and the guide grooves are formed in the two inner walls oppositely arranged at the feeding port; the two sides of an adjusting baffle are connected into the two guide grooves in a sliding mode respectively, a plurality of adjusting holes are formed in the adjusting baffle, a positioning hole is formed in the feeding port, positioning plug pins are arranged on the adjusting holes and the positioning hole in a matched mode, a buffer disc is fixed below the feeding port, and the grinding mechanism is located below the buffer disc. The device disclosed by the utility model is simple in structure, convenient to operate and not easy to damage.

Description

[0001] The utility model relates to coal series kaolin grinding technical field, concretely is a kind of preparation coal series kaolin grinding device. BACKGROUND

[0002] As a kind of key clay mineral, kaolin is mainly composed of kaolinite group mineral, which is widely used in papermaking, ceramics, refractory materials, coatings, rubber fillers and enamel glaze and other multiple industrial fields. With the increasing attention to high-value utilization of solid waste, the deep development and utilization of kaolin in coal gangue has become a research hotspot. However, the organic carbon and other impurities contained in coal series kaolin can affect its product quality and process performance. Through grinding and calcination process, these impurities can be effectively removed, the whiteness and purity of the product can be improved, and then coal series kaolin with higher reaction activity can be prepared, thereby increasing the market value and economic benefits of the product.

[0003] The conventional grinding device for preparing coal series kaolin cannot adjust the feeding speed, which easily causes blockage in the production process and affects the grinding efficiency. In the existing technology, such as the grinding device disclosed in patent CN220879141U-a kaolin grinder capable of adjusting feeding speed, the diameter of the feeding port is reduced by extruding the elastic part at the feeding port with a sleeve, thereby reducing the feeding rate of kaolin. However, the elastic part at the feeding port is prone to breakage after long-term extrusion and use, and needs to be replaced regularly, which increases the maintenance cost. SUMMARY

[0004] The utility model provides a new grinding device for preparing coal series kaolin to solve the problem of easy breakage of the elastic part at the feeding port for adjusting the feeding speed in the existing grinding device, which leads to high maintenance cost of the device.

[0005] The utility model is implemented by using the following technical solutions:

[0006] The utility model provides a kind of preparation coal series kaolin with grinding device, including square cylinder feed inlet, adjusting baffle, grinding mechanism, two inner walls relative arrangement are equipped with the guide groove of being arranged obliquely downward in feed inlet, adjusting baffle is slidably connected in two guide grooves respectively on both sides, adjusting baffle is uniformly distributed with multiple adjusting holes along oblique direction, the top of the inner wall of the side of feed inlet that is shielded by adjusting baffle is equipped with the positioning hole that is adapted with adjusting hole, adjusting hole and positioning hole are adapted with the positioning bolt, the lower of feed inlet is fixed with buffer disc, the center of buffer disc is opened with the buffer hole that is communicated with feed inlet, the bottom surface of buffer disc is equipped with limit ring groove, grinding mechanism is located below buffer disc, grinding mechanism includes grinding ring, the outer edge of grinding ring is equipped with big conical gear, big conical gear is meshed with small conical gear driven by first motor to rotate, the inner edge of grinding ring is equipped with the limit slip ring that is rotationally connected with the limit ring groove of buffer disc, grinding ring is fixed with multiple grinding blocks in it, and the grinding blocks are radially arranged and used for grinding kaolin falling after buffer disc, grinding bottom disc is equipped below grinding ring, the middle part of grinding bottom disc is equipped with the grinding bottom groove for accepting kaolin and being tapered, multiple grinding blocks are adapted with grinding bottom groove, and the middle part of grinding bottom groove is equipped with the discharge port for discharging the kaolin after grinding.

[0007] When using, the size of feed inlet is adjusted by sliding adjusting baffle on the position of guide groove, and then the position of adjusting baffle is locked by positioning bolt after adjustment, so that the size adjustment of feed inlet is realized, then kaolin is poured into feed inlet, and after kaolin passes through buffer disc and grinding ring, small conical gear driven by first motor rotates, small conical gear drives big conical gear to rotate, so as to drive grinding blocks to rotate, and after kaolin is ground in grinding bottom groove by grinding blocks, it is discharged from discharge port.

[0008] Further, the device further includes anti-blocking roller driven by second motor to rotate, and the anti-blocking roller is rotationally arranged in feed inlet and below guide groove, the rotating shaft of anti-blocking roller extends out of feed inlet and is fixedly connected with the rotating shaft of second motor, and second motor is fixed to the upper part of buffer disc.

[0009] Further, the top of each grinding block is fixed with a distribution plate, the distribution plate is rotationally arranged in buffer hole, and is used for distributing kaolin after passing through anti-blocking roller, so as to prevent kaolin from accumulating on grinding blocks and improve grinding effect.

[0010] Further, the bottom of the inner wall opposite to adjusting baffle of feed inlet is provided with a closing slot for closing feed inlet by inserting the bottom of adjusting baffle into the closing slot.

[0011] Further, the adjusting baffle is provided with a handle for an operator to grab, so that the operator can easily grab and move the adjusting baffle when adjusting the size of the feeding port.

[0012] Further, the device further comprises a barrel-shaped shell with an upper opening, the grinding mechanism and the buffer disc are located in the shell, the top edge of the buffer disc extends outwardly with a connecting edge, the upper opening of the shell is fixedly connected with the connecting edge of the buffer disc, and the gear shaft of the small bevel gear is fixed with the rotating shaft of the first motor after extending out of the shell, so that the grinding device is integrated in structure, and the grinding mechanism and the buffer disc are protected by the shell, and the service life is improved.

[0013] Further, the device further comprises a bottom plate and four supporting legs supported below the bottom plate, the bottom plate is provided with a fixing hole matched with the outer edge of the shell, and the first motor is fixed on the bottom plate.

[0014] Further, the bottom of the shell is a tapered cylinder communicated with the discharge port, so that the ground kaolin is conveniently guided.

[0015] Further, the fixing hole on the bottom plate is matched with the outer edge of the tapered cylinder, and the structure is specific and standardized.

[0016] The device has the following beneficial effects: 1) the device controls the size of the feeding port through the setting of the guide groove, the adjusting baffle and the cooperation of the positioning hole, the adjusting hole and the positioning pin, and has the advantages of simple structure, convenient operation, low damage and low maintenance cost; 2) the device realizes the grinding of kaolin through the cooperation of the two intermeshing bevel gears and the grinding block and the grinding bottom groove, and guarantees the stability of the grinding process and improves the grinding quality through the cooperation of the limiting sliding ring and the limiting sliding groove. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings incorporated into the specification and constituting a part of the specification, show embodiments consistent with the present application, and together with the specification, serve to explain the principle of the present application.

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is the overall structure schematic view of the grinding device;

[0020] Figure 2 It is the structure schematic view of the grinding device after removing the bottom plate and the supporting legs;

[0021] Figure 3 For Figure 1 The exploded view of the shell is removed from the structural schematic diagram;

[0022] Figure 4 For Figure 3 The exploded view of the shell is removed from the structural schematic diagram;

[0023] Figure 5 For the feeding port, the assembled structural schematic diagram of the buffer disc;

[0024] Figure 6 For the structural schematic diagram of the feeding port;

[0025] Figure 7 For Figure 6 The exploded view of the shell is removed from the structural schematic diagram;

[0026] Figure 8 For the assembly structure schematic diagram of the grinding ring, the large bevel gear and the grinding block Figure 1 (Schematic diagram from the bottom);

[0027] Figure 9 For the assembly structure schematic diagram of the grinding ring, the large bevel gear and the grinding block Figure 2 (Schematic diagram from the top).

[0028] In the figure: 1-feeding port, 2-adjusting baffle, 3-guiding groove, 4-adjusting hole, 5-positioning hole, 6-positioning pin, 7-buffer disc, 8-buffer hole, 9-limit ring groove, 10-limit sliding ring, 11-grinding ring, 12-large bevel gear, 13-small bevel gear, 14-first motor, 15-grinding block, 16-grinding base, 17-grinding base groove, 18-discharge port, 19-anti-blocking roller, 20-second motor, 21-distribution plate, 22-closed slot, 23-handle, 24-bottom plate, 25-supporting leg, 26-shell, 27-conical cylinder, 28-connection edge. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purpose, features and advantages of the present application more clearly understood, the scheme of the present application will be further described below. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0030] In the description, it needs to be explained that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. It needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" 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; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0031] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein; Obviously, the examples in the specification are only a part of the examples of the present application, not all examples.

[0032] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0033] As Figure 3 , 4 , 6, 7, 8, 9, a kind of preparation coal series kaolin is used grinding device, including square tubular feed inlet 1, adjusting baffle 2, grinding mechanism, two inner walls of feed inlet 1 relative arrangement are all equipped with the guide groove 3 of arranging downwardly inclined, adjusting baffle 2 is slidably connected in two guide grooves 3 respectively, adjusting baffle 2 is uniformly distributed with multiple adjusting holes 4 along the inclined direction, the top of the inner wall of the side of feed inlet 1 that is shielded by adjusting baffle 2 is equipped with the positioning hole 5 that is adapted to adjusting hole 4, adjusting hole 4 and positioning hole 5 are adapted with the positioning bolt 6, the lower of feed inlet 1 is fixed with buffer disc 7, the center of buffer disc 7 is opened with the buffer hole 8 that is communicated with feed inlet 1, the bottom surface of buffer disc 7 is equipped with limit ring groove 9, grinding mechanism is located below buffer disc 7, grinding mechanism includes grinding ring 11, the outer edge of grinding ring 11 is equipped with large bevel gear 12, large bevel gear 12 is meshingly connected with small bevel gear 13 driven by first motor 14 to rotate, the inner edge of grinding ring 11 is equipped with limit slip ring 10 that is rotatably connected with limit ring groove 9 of buffer disc 7, a plurality of grinding blocks 15 for grinding kaolin falling after buffer disc 7 are fixed in grinding ring 11 and are arranged in a radial pattern as a whole, grinding bottom tray 16 is provided below grinding ring 11, the middle part of grinding bottom tray 16 is equipped with grinding bottom groove 17 for receiving kaolin and being tapered, a plurality of grinding blocks 15 are adapted to grinding bottom groove 17, the middle part of grinding bottom groove 17 is equipped with discharge port 18 for discharging ground kaolin.

[0034] In use, the size of the feeding port 1 is adjusted by sliding the adjusting baffle 2 along the guide groove 3, and the position of the adjusting baffle 2 is locked by the positioning pin 6 after adjustment, so as to realize the adjustment of the size of the feeding port 1, then kaolin is poured into the feeding port 1, and the kaolin is ground in the grinding ring 11 after passing through the buffer disc 7, the small bevel gear 13 is driven by the first motor 14, the large bevel gear 12 is driven by the small bevel gear 13, and the grinding block 15 is driven to rotate, and the kaolin is ground in the grinding bottom groove 17 by the grinding block 15 and then discharged from the discharge port 18.

[0035] In specific implementation, as shown in the figure, Figure 5 the device further comprises an anti-blocking roller 19 driven to rotate by a second motor 20, the anti-blocking roller 19 is arranged in the feeding port 1 below the guide groove 3, the rotating shaft of the anti-blocking roller 19 extends out of the feeding port 1 and is fixedly connected with the rotating shaft of the second motor 20, and the second motor 20 is fixed to the upper part of the buffer disc 7. In this structure, the anti-blocking roller 19 is used to prevent the kaolin from being blocked.

[0036] In specific implementation, the top of each grinding block 15 is fixed with a distribution plate 21, the distribution plate 21 is arranged to rotate in the buffer hole 8, and is used to distribute the kaolin after passing through the anti-blocking roller 19, so as to prevent the kaolin from accumulating on the grinding block 15 and improve the grinding effect.

[0037] In specific implementation, the inner wall of the side opposite to the adjusting baffle 2 of the feeding port 1 is provided with a closing slot 22 at the bottom, which is used to close the feeding port 1 by inserting the bottom of the adjusting baffle 2 into the closing slot 22. The adjusting baffle 2 is slid along the guide groove 3 until the adjusting baffle 2 is inserted into the closing slot 22, at this time, the adjusting baffle 2 completely closes the feeding port 1, preventing any material from entering the device, and facilitating equipment maintenance.

[0038] In specific implementation, the adjusting baffle 2 is provided with a handle 23 for the operator to grab, which facilitates the operator to easily grab and move the adjusting baffle 2 when adjusting the size of the feeding port 1.

[0039] In specific implementation, the device further comprises a barrel-shaped shell 26 with an opening at the upper part, the grinding mechanism and the buffer disc 7 are located in the shell 26, the top edge of the buffer disc 7 extends outwardly and is provided with a connecting edge 28, the upper opening of the shell 26 is fixedly connected with the connecting edge 28 of the buffer disc 7, the gear shaft of the small bevel gear 13 extends out of the shell 26 and is fixed with the rotating shaft of the first motor 14, so that the structure of the grinding device is integrated, and the grinding mechanism and the buffer disc 7 are protected by the shell 26, thereby improving the service life.

[0040] In specific implementation, as shown in the figure, Figure 1As shown, the device further comprises a bottom plate 24 and four supporting legs 25 supported below the bottom plate 24, the bottom plate 24 is provided with fixing holes matched with the outer edge of the shell 26, and the first motor 14 is fixed on the bottom plate 24.

[0041] In the embodiment, as shown in the drawings, Figure 2 The bottom of the shell 26 is a conical cylinder 27 communicated with the discharge port 18, facilitating the flow of the ground kaolin. The fixing holes on the bottom plate 24 are matched with the outer edge of the conical cylinder 27, and the structure is specific and standardized.

[0042] The above is only a specific embodiment of the present application, so that those skilled in the art can understand or implement the present application. Although the foregoing embodiments are described in detail, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments, and they should be covered in the protection scope of the claims.

Claims

1. A grinding device for preparing coal-based kaolin, characterized in that: The invention comprises a square cylindrical feed port (1), an adjusting baffle (2), and a grinding mechanism. The two inner walls of the feed port (1) are arranged opposite to each other and are provided with guide grooves (3) arranged obliquely downward. The two sides of the adjusting baffle (2) are respectively slidably connected to the two guide grooves (3). The adjusting baffle (2) is provided with a plurality of adjusting holes (4) along the oblique direction. The top of the inner wall of the feed port (1) on the side blocked by the adjusting baffle (2) is provided with a positioning hole (5) adapted to the adjusting hole (4). The adjusting hole (4) and the positioning hole (5) are adapted with positioning pins (6). A buffer plate (7) is fixed below the feed port (1). A buffer hole (8) communicating with the feed port (1) is opened in the center of the buffer plate (7). A limiting ring groove (9) is provided on the bottom surface of the buffer plate (7). The grinding mechanism is located below the buffer plate (7). The grinding mechanism includes The invention comprises a grinding ring (11), an outer edge of the grinding ring (11) is provided with a large bevel gear (12), the large bevel gear (12) is meshedly connected with a small bevel gear (13) driven to rotate by a first motor (14), an inner edge of the grinding ring (11) is provided with a limit slip ring (10) rotatably connected to a limit ring groove (9) of a buffer disk (7), a plurality of grinding blocks (15) arranged radially as a whole and used for grinding kaolin falling after passing through the buffer disk (7) are fixed in the grinding ring (11), a grinding chassis (16) is provided below the grinding ring (11), a grinding bottom groove (17) for receiving kaolin and having a conical shape is provided in the middle of the grinding bottom groove (16), a plurality of grinding blocks (15) are adapted to the grinding bottom groove (17), and a discharge port (18) for discharging the ground kaolin is provided in the middle of the grinding bottom groove (17).

2. A grinding device for preparing coal-based kaolin according to claim 1, characterized in that: The device further comprises an anti-blocking roller (19) driven to rotate by a second motor (20). The anti-blocking roller (19) is rotatably arranged in the feed port (1) and is located below the guide groove (3). The rotating shaft of the anti-blocking roller (19) extends outward from the feed port (1) and is fixedly connected to the rotating shaft of the second motor (20). The second motor (20) is fixed to the upper part of the buffer tray (7).

3. A grinding device for preparing coal-based kaolin according to claim 2, characterized in that: A dividing plate (21) is fixed on the top of each grinding block (15), and the dividing plate (21) is rotatably placed in the buffer tray (7).

4. A grinding device for preparing coal-based kaolin according to claim 3, characterized in that: A closing slot (22) is provided at the bottom of the inner wall of the feed opening (1) on the side opposite to the regulating baffle (2) for closing the feed opening (1) by inserting the bottom of the regulating baffle (2) therein.

5. A grinding device for preparing coal-based kaolin according to claim 3, characterized in that: A handle (23) for an operator to grasp is provided on the regulating baffle (2).

6. A grinding device for preparing coal-based kaolin according to claim 1, 2, 3, 4 or 5, characterized in that: The device further comprises a barrel-shaped housing (26) with an opening at the top, wherein the grinding mechanism and the buffer disk (7) are both located in the housing (26), a connecting edge (28) extending outward from the top edge of the buffer disk (7), the upper opening of the housing (26) is fixedly connected to the connecting edge (28) of the buffer disk (7), and the gear shaft of the small bevel gear (13) is rotated and extended outside the housing (26) and then fixed to the rotating shaft of the first motor (14).

7. A grinding device for preparing coal-based kaolin according to claim 6, characterized in that: The device further comprises a bottom plate (24) and four supporting legs (25) supported below the bottom plate (24); a fixing hole adapted to the outer edge of the housing (26) is provided on the bottom plate (24); and the first motor (14) is fixed on the bottom plate (24).

8. A grinding device for preparing coal-based kaolin according to claim 7, characterized in that: The bottom of the shell (26) is a conical cylinder (27) that communicates with the discharge port (18), and the fixing hole on the bottom plate (24) is adapted to the outer edge of the conical cylinder (27).

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