A stone powder admixture preparation and screening device

Abstract

The present application relates to the technical field of stone powder production device, and particularly relates to a stone powder admixture preparation and screening device, which comprises a motor base frame provided with a motor body and a vertical fixing frame vertically installed on one side of the motor base frame, and further comprises a screening part, which comprises a powder bin installed on the vertical fixing frame and located above the motor body, and a receiving tray installed in the powder bin, wherein a refining assembly is rotatably installed on the receiving tray through the motor body; the refining assembly can directly introduce the stone powder to be refined, further refine the stone powder, provide rotating stirring capacity, and help avoid the problem of agglomeration of the stone powder before being screened out; the device can directly refine the stone powder to the required particle size through the refining assembly and then quickly discharge the stone powder, thereby avoiding the problem of too small particle size caused by long-time ball milling, obtaining stone powder admixture with uniform particle size, and continuously operating the device to prepare stone powder admixture with high particle size targeting and high preparation efficiency.

Description

Technical Field

[0001] This invention relates to the field of stone powder production equipment technology, specifically to a stone powder admixture preparation and screening device. Background Technology

[0002] Stone powder is an admixture that can replace fly ash in concrete, significantly reducing production costs without affecting product quality. The raw material for stone powder can be derived from slag ore. The process of preparing stone powder from ore requires crushing, grinding and refining, and screening. Among these steps, grinding and refining helps to further refine the stone and obtain stone powder with better dispersion. At the same time, the particle size of stone powder is an important indicator. Only by obtaining stone powder with uniform texture as an admixture can stable quality concrete be obtained.

[0003] Currently, most grinding equipment involves quantitative feeding, refining for a certain period of time, and then stopping to remove the refined material. This results in poor continuous operation, and insufficient refining time leads to a large particle size distribution in the refined material. On the other hand, excessive grinding time leads to low efficiency and makes it impossible to accurately and efficiently screen out stone powder of the appropriate particle size.

[0004] In summary, we considered designing a stone powder preparation device that can operate continuously and has higher powdering efficiency, so as to accurately and efficiently screen out stone powder admixtures with appropriate particle sizes; therefore, we propose a stone powder admixture preparation and screening device. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings mentioned in the background art and provide a screening device for preparing stone powder admixtures.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A stone powder admixture preparation and screening device includes a motor base frame on which a motor body is mounted, and a vertical fixing frame vertically mounted on one side of the motor base frame, and further includes:

[0008] The screening unit includes a powder hopper mounted on the vertical fixed frame and located above the motor body, and a receiving tray mounted inside the powder hopper, wherein a refining component is rotatably mounted on the receiving tray via the motor body;

[0009] The refining component is used to receive and refine the stone powder admixture, and continuously screen out stone powder admixtures of qualified particle size through the receiving tray.

[0010] Preferably, the powder silo includes a silo body with a receiving hopper installed on top, and the receiving hopper has a conveying hole at its axis;

[0011] The hopper is equipped with a discharge port and a cleaning window located below the receiving tray.

[0012] Preferably, the receiving tray is detachably installed inside the hopper, and the receiving tray includes a screen plate with screen holes at the bottom, and a bearing is installed at the center of the screen plate.

[0013] Preferably, the refining component includes a mounting base rotatably mounted on the receiving tray, and a grinding unit mounted around the mounting base.

[0014] Preferably, the mounting base is provided with a vertically arranged vertical cavity and a feed hole for guiding the installation of the grinding unit.

[0015] Preferably, a scraper wheel plate is provided below the receiving tray. The scraper wheel plate is coaxially installed in the vertical cavity through the bearing, and the shaft end of the scraper wheel plate is located below the guide hole.

[0016] Preferably, the mounting base is provided with a rotating tray and a vertical guide tube at its bottom and top, respectively;

[0017] The vertical guide cylinder is equipped with an auger installed at the end of the scraper wheel plate, which is used to transport the stone powder admixture to be refined.

[0018] Preferably, the grinding unit includes a feed pipe installed at the feed hole and an abrasive bin sleeved outside the feed pipe;

[0019] The feed pipe is provided with a discharge mesh located inside the abrasive bin;

[0020] The abrasive bin has sieve holes on its wall.

[0021] Preferably, the abrasive chamber is equipped with grinding balls.

[0022] Preferably, the abrasive bin wall is provided with protrusions that are evenly distributed and located on the side adjacent to the sieve holes.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] This stone powder admixture preparation and screening device can directly introduce the stone powder to be refined through the refining component in the screening section, further refining the stone powder and providing rotational stirring capability, which helps to avoid the problem of stone powder agglomeration before screening. The device can directly refine the stone powder to the required particle size through the refining component and then quickly discharge it, avoiding the problem of excessively small particle size caused by prolonged ball milling. It can obtain stone powder admixture with uniform particle size. Moreover, the device can operate continuously without stopping the machine to continuously obtain stone powder admixture with the required particle size, making the preparation of particle size highly targeted and efficient. Attached Figure Description

[0025] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0026] Figure 1 This is one of the schematic diagrams of the overall structure of the present invention;

[0027] Figure 2 This is the second schematic diagram of the overall structure of the present invention;

[0028] Figure 3 This is a schematic diagram of the screening section of the present invention;

[0029] Figure 4 This is one of the cross-sectional views of the screening section of the present invention;

[0030] Figure 5 This is a second cross-sectional view of the screening section of the present invention;

[0031] Figure 6 This is a diagram showing the internal installation relationship of the screening section of the present invention;

[0032] Figure 7 This is an exploded view of the internal installation of the screening section of the present invention;

[0033] Figure 8 Detailed component installation relationship diagram for this invention;

[0034] Figure 9 This is a cross-sectional view of the mounting base block of the present invention;

[0035] Figure 10 This is an exploded view of the grinding unit of the present invention;

[0036] Figure 11 For the present invention Figure 10 A magnified view of part A in the middle.

[0037] The meanings of the labels in the diagram are as follows:

[0038] 1. Motor base frame; 2. Motor body; 3. Vertical fixing frame; 4. Powder silo; 41. Silo body; 42. Receiving hopper; 421. Conveying hole; 43. Discharge port; 44. Cleaning window; 5. Screwdriver; 6. Receiving tray; 61. Screen plate; 62. Bearing; 7. Scraper shaft wheel plate; 8. Refining component; 81. Mounting base block; 811. Rotating tray; 812. Vertical guide cylinder; 8101. Vertical cavity; 8102. Guide hole; 82. Grinding unit; 821. Guide pipe; 8211. Discharge mesh; 822. Grinding silo; 8221. Screening hole; 8222. Protrusion. Detailed Implementation

[0039] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] Please see Figure 1-11 The present invention will describe the above technical solution in detail through the following embodiments:

[0041] A stone powder admixture preparation and screening device includes a motor base frame 1 on which a motor body 2 is mounted, and a vertical fixing frame 3 vertically mounted on one side of the motor base frame 1 for fixing the screening section to maintain a vertical state; it also includes:

[0042] The screening section includes a powder hopper 4 mounted on a vertical fixed frame 3 and located above the motor body 2, and a receiving tray 6 installed inside the powder hopper 4. A refining component 8 is rotatably mounted on the receiving tray 6 via the motor body 2. In this embodiment, the powder hopper 4 is vertically arranged and needs to be supported by the vertical fixed frame 3. The refining component 8 is used to collect the stone powder admixture for refining and continuously screen out the stone powder admixture with qualified particle size through the receiving tray 6. It should be noted that the stone powder admixture to be refined in this embodiment is a particle that has undergone preliminary crushing and powdering. The purpose of this device is to further refine the particles to obtain stone powder with uniform particle size.

[0043] like Figures 3-5 As shown in the structure, in this embodiment, the powder silo 4 includes a silo body 41 with a receiving hopper 42 installed on the top. The receiving hopper 42 has a conveying hole 421 at its axis. The stone powder admixture to be refined will fall into the silo body 41 below through the conveying hole 421. In this embodiment, the silo body 41 is provided with a discharge port 43 and a cleaning window 44 located below the receiving tray 6.

[0044] Specifically, in this embodiment, the receiving tray 6 is detachably installed inside the hopper 41. The receiving tray 6 includes a screen plate 61 with screen holes at the bottom, and a bearing 62 is installed at the axis of the screen plate 61; in this embodiment, as shown... Figures 4-6 As shown, the fine component 8 includes a mounting base 81 rotatably mounted on the receiving tray 6. The mounting base 81 is provided with a vertically arranged vertical cavity 8101 and four guide holes 8102 for guiding the installation of the grinding unit 82.

[0045] It should be noted that in this embodiment, a scraper wheel plate 7 is provided below the receiving tray 6. The scraper wheel plate 7 is coaxially installed in the vertical cavity 8101 through the bearing 62, and the shaft end of the scraper wheel plate 7 is located below the guide hole 8102. At the same time, the scraper wheel plate 7 is coaxially connected to the output shaft of the motor body 2, and can drive the refining component 8 to rotate and stir through the drive motor 2.

[0046] Specifically, such as Figures 8-11 As shown in the structure, in this embodiment, the mounting base 81 is provided with a rotating tray 811 at the bottom and a vertical guide cylinder 812 at the top. The upper end of the vertical guide cylinder 812 is connected to the material conveying hole 421 for guiding material. To better convey the stone powder and avoid material accumulation and blockage caused by the vertical structure, this embodiment provides an auger 5 installed inside the vertical guide cylinder 812 at the end of the scraper wheel plate 7. The auger 5 is used to convey the stone powder admixture to be refined. The specific installation structure is as follows... Figures 3-5 The structure shown.

[0047] like Figures 8-11 The structure shown includes a grinding unit 82 comprising a feed pipe 821 connected to a feed inlet 8102, and a grinding chamber 822 sleeved outside the feed pipe 821. The feed pipe 821 has a discharge mesh 8211 located inside the grinding chamber 822, and the grinding chamber 822 has sieve holes 8221 on its wall. The grinding chamber 822 contains grinding balls. It should be noted that in this embodiment, to screen for qualified particle sizes and continuously refine the stone powder to the qualified particle size before timely sieving to avoid over-refinement, stone powder is introduced into the grinding chamber 822 through the discharge mesh 8211. During the rotation process... The ball milling beads grind the stone powder into finer particles, which are then smaller enough to pass through the sieve holes 8221 and the sieve plate 61 before being discharged. In other embodiments, the size of the sieve holes 8221 and the sieve plate 61 can be adjusted according to the required particle size. In this embodiment, to avoid accumulation or blockage of the screened material, the grinding chamber 822 has evenly distributed protrusions 8222 located on the side adjacent to the sieve holes 8221. This allows for gaps between the powder particles, preventing them from being compressed and clogging the holes. At the same time, the protrusions 8222 can also further provide stirring and dispersing force, so that the uniform stone powder mixture is discharged evenly.

[0048] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0049] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within the present invention.

Claims

1. A stone powder admixture preparation and screening device, comprising a motor base frame (1) on which a motor body (2) is mounted, and a vertical fixing frame (3) vertically mounted on one side of the motor base frame (1), characterized in that: Also includes: The screening section includes a powder hopper (4) installed on the vertical fixed frame (3) and located above the motor body (2), and a receiving tray (6) installed in the powder hopper (4), on which a refining component (8) is rotatably mounted via the motor body (2). The refining component (8) is used to receive stone powder admixtures for refining and to continuously screen out stone powder admixtures of qualified particle size through the receiving tray (6). The powder silo (4) includes a silo body (41) with a receiving hopper (42) installed on top. The receiving hopper (42) has a conveying hole (421) at its axis. The silo body (41) has a discharge port (43) and a cleaning window (44) located below the receiving tray (6). The receiving tray (6) is detachably installed inside the hopper (41). The receiving tray (6) includes a sieve disc (61) with sieve holes at the bottom, and a bearing (62) is installed at the axis of the sieve disc (61). The refining component (8) includes a mounting base (81) rotatably mounted on the receiving tray (6) and a grinding unit (82) mounted around the mounting base (81); the mounting base (81) is provided with a vertically arranged vertical cavity (8101) and a guide hole (8102) for guiding the grinding unit (82) to be mounted. Below the receiving tray (6) is a scraper wheel plate (7), which is coaxially installed in the vertical cavity (8101) via the bearing (62), and the shaft end of the scraper wheel plate (7) is located below the guide hole (8102); the bottom and top of the mounting base block (81) are respectively provided with a rotating tray (811) and a vertical guide cylinder (812), and the vertical guide cylinder (812) is provided with an auger (5) installed in the shaft end of the scraper wheel plate (7), which is used to insert into the conveying hole (421) to convey the stone powder admixture to be refined; The grinding unit (82) includes a feed pipe (821) installed at the feed hole (8102) and a grinding chamber (822) sleeved outside the feed pipe (821). The feed pipe (821) is provided with a discharge mesh (8211) inside the grinding chamber (822), and the grinding chamber (822) is provided with a sieve hole (8221) on its wall. The abrasive bin (822) has protrusions (8222) evenly distributed on the bin wall and located on the side adjacent to the sieve hole (8221), and the abrasive bin (822) contains grinding balls.

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