Clean feeding type powder adding device

Abstract

The utility model relates to the field of material mixing equipment, in particular to a clean feeding type powder adding device which comprises a stock bin, a feeding opening is formed in the stock bin, a feeding opening cover plate capable of being opened and closed is arranged at the position of the feeding opening, a dust suction hood is arranged at the position of the feeding opening, and the dust suction hood is communicated with an air inducing pipeline and sucks air from the position of the feeding opening. A stirring and loosening mechanism is arranged in the stock bin, the bottom of the stock bin is communicated with a conveying mechanism, the downstream tail end of the conveying mechanism is connected with a discharging pipe, and materials in the stock bin are discharged through the discharging pipe after passing through the conveying mechanism. Through the arrangement of the dust hood and the air inducing pipeline, dust generated in the feeding process is adsorbed in time, the feeding environment is improved, meanwhile, the adsorbed dust can be discharged and collected through the discharging pipe, the powder loss is greatly reduced, and the powder consumption is reduced; the stirring and loosening mechanism is used for continuously stirring the powder in the stock bin, so that the powder is prevented from caking and being difficult to discharge; the discharging process of the powder is controlled and adjusted through the conveying mechanism, and powder blocking caused by too much powder is avoided.

Description

Technical Field

[0001] The utility model relates to the field of material mixing equipment, in particular to a clean feeding type powder adding device. Background Art

[0002] The dust removal system used in foundries needs to add other powders for mixing when dealing with ultrafine dust or highly adhesive dust to protect the filter material and improve the cleaning efficiency. The existing powder adding device has the problem of dust escape during the process of unpacking bags and pouring powder, resulting in a poor feeding environment. The feeding port, as a mechanism for adding powder, has the risk of foreign matter entering, and can also cause problems such as powder blockage. In addition, after a long period of feeding, the feeding pipe will hang on the wall, causing powder blockage and inability to continue adding powder. Utility Model Content

[0003] The utility model aims to solve the above problems and provides a clean feeding type powder adding device, the technical solution adopted by the utility model is as follows:

[0004] A clean feeding type powder adding device comprises a silo, a feeding port is arranged on the silo, an openable and closable feeding port cover is arranged at the feeding port, a dust hood is arranged at the feeding port, the dust hood is connected with an air duct and sucks air from the feeding port; a stirring and loosening mechanism is arranged in the silo, the bottom of the silo is connected with a conveying mechanism, the downstream end of the conveying mechanism is connected with a discharge pipe, and the material in the silo is discharged through the discharge pipe after passing through the conveying mechanism.

[0005] On the basis of the above solution, a grille is arranged at the feeding port, and the grille is arranged inside the silo.

[0006] Based on the above solution, the grille is arranged at an angle.

[0007] Preferably, the end of the air duct is connected to the discharge pipe.

[0008] Preferably, the stirring and loosening mechanism includes a stirring motor, a stirring shaft, a stirring arm and a bottom scraper, the stirring shaft is connected to the stirring motor, the stirring arm and the bottom scraper are fixedly connected to the stirring shaft, and the bottom scraper is arranged at the bottom of the silo.

[0009] Based on the above scheme, the stirring arm includes a cross bar and a longitudinal bar, one end of the cross bar is fixedly connected to the stirring shaft, the longitudinal bar is fixedly connected to the cross bar, and the longitudinal bar is arranged perpendicular to the cross bar. Multiple longitudinal bars are arranged on each cross bar, and the length of the longitudinal bar connected to each cross bar gradually increases in the direction away from the stirring shaft.

[0010] Preferably, the conveying mechanism includes a conveying motor, a conveying pipe, conveying blades and a discharge riser. The conveying pipe is arranged below the silo and is connected to the silo. The conveying blades are rotatably arranged in the conveying pipe. The conveying blades are connected to the conveying motor and driven by it. The discharge riser is arranged at the end of the conveying pipe and is respectively connected to the conveying pipe and the discharge pipe.

[0011] Based on the above solution, the conveying blade is a hollow spiral blade.

[0012] Preferably, an observation window is provided on the discharge riser.

[0013] The beneficial effects of the utility model are as follows: by arranging a dust suction hood and an air duct, the dust generated in the feeding process is timely adsorbed, thereby improving the feeding environment; at the same time, the adsorbed dust can be discharged and collected through the discharge pipe, thereby greatly reducing the loss of powder and saving the amount of powder; a grid is arranged at the feeding port to prevent foreign matter such as powder packaging from entering the silo; a stirring and loosening mechanism is used to continuously stir the powder in the silo to prevent the powder from agglomerating and making feeding difficult; the feeding process of the powder is controlled and adjusted by the conveying mechanism to avoid powder blockage caused by excessive powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 : Schematic diagram of the structure of the utility model;

[0015] Figure 2 : A schematic diagram of the structure of the utility model from another perspective;

[0016] Figure 3 : Schematic diagram of the internal structure of the silo of the utility model;

[0017] Figure 4 : Schematic diagram of the grille structure of the utility model;

[0018] Figure 5 : Schematic diagram of the structure of the conveying mechanism of the utility model. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the description of the present utility model, it should be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0022] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0023] like Figures 1 to 5 As shown, a clean loading type powder adding device comprises a silo 11 on which a loading port 12 is arranged.

[0024] The feeding port 12 is provided with an openable and closable feeding port cover 13, which can be opened and closed by hinged or sliding means. Before and after adding powder, the feeding port cover 13 is closed on the feeding port 12 to play a sealing role, which can prevent the powder in the silo 11 from getting damp and prevent the powder from escaping during the falling or stirring process. The feeding port 12 is provided with a grille 14, which is arranged inside the silo 11 to prevent foreign objects such as packaging bags from entering the silo 11. Preferably, the grille 14 is arranged at an angle to help the powder fall.

[0025] A dust hood 21 is provided at the feeding port 12, and the dust hood 21 is connected to the induced draft duct 22 and sucks air from the feeding port 12, so as to absorb and collect the powder scattered around the feeding port 12 during the feeding process, so as to avoid damage to the surrounding environment and reduce the waste of powder. A stirring and loosening mechanism is provided in the silo 11, and the bottom of the silo 11 is connected to the conveying mechanism, and the downstream end of the conveying mechanism is connected to the discharge pipe 46, and the material in the silo 11 is discharged through the discharge pipe 46 after passing through the conveying mechanism. Preferably, the end of the induced draft duct 22 is connected to the discharge pipe 46. When the discharge pipe 46 is connected to the induced draft duct 22, it is used to discharge the collected dust. When the discharge pipe 46 is not connected to the induced draft duct 22, it can introduce ambient wind to assist in the discharge of the powder in the conveying mechanism.

[0026] The stirring and loosening mechanism includes a stirring motor 31, a stirring shaft 32, a stirring arm 33 and a bottom scraper 34. The stirring shaft 32 is connected to the stirring motor 31. The stirring arm 33 and the bottom scraper 34 are fixedly connected to the stirring shaft 32. The stirring arm 33 includes a cross bar and a longitudinal bar. One end of the cross bar is fixedly connected to the stirring shaft 32. The longitudinal bar is fixedly connected to the cross bar, and the longitudinal bar is vertically arranged to the cross bar. A plurality of longitudinal bars are arranged on each cross bar. The length of the longitudinal bars connected to each cross bar gradually increases in the direction away from the stirring shaft 32 to improve the stirring effect. The bottom scraper 34 is arranged at the bottom of the silo 11 to stir the powder at the bottom of the silo 11 to prevent the powder at the bottom from agglomerating or blocking.

[0027] The conveying mechanism includes a conveying motor 41, a conveying pipeline 42, a conveying blade 43 and a material discharge stand pipe 44. The conveying blade 43 is a hollow spiral blade. The conveying pipeline 42 is arranged below the silo 11 and communicates with the silo 11. The conveying blade 43 is rotatably arranged in the conveying pipeline 42. The conveying blade 43 is connected to the conveying motor 41 and driven by it. The material discharge speed is controlled by adjusting the rotation speed of the conveying blade 43. The material discharge stand pipe 44 is arranged at the end of the conveying pipeline 42 and is respectively communicated with the conveying pipeline 42 and the discharge pipe 46. An observation window 45 is arranged on the material discharge stand pipe 44 to observe the material discharge situation in real time and perform timely maintenance.

[0028] The present invention is described above by way of examples, but the present invention is not limited to the above specific embodiments, and any changes or modifications based on the present invention belong to the scope of protection required by the present invention.

Claims

1. A clean feeding type powder adding device, characterized in that: The material silo (11) comprises a material silo (11), a material loading port (12) is arranged on the material silo (11), an openable and closable material loading port cover (13) is arranged at the material loading port (12), a dust hood (21) is arranged at the material loading port (12), the dust hood (21) is connected to an air duct (22) and sucks air from the material loading port (12); a stirring and loosening mechanism is arranged in the material silo (11), the bottom of the material silo (11) is connected to a conveying mechanism, the downstream end of the conveying mechanism is connected to a discharge pipe (46), and the material in the material silo (11) passes through the conveying mechanism and is discharged through the discharge pipe (46).

2. A clean feeding type powder adding device according to claim 1, characterized in that: A grille (14) is provided at the feed port (12), and the grille (14) is arranged inside the silo (11).

3. A clean feeding type powder adding device according to claim 2, characterized in that: The grille (14) is arranged obliquely.

4. A clean feeding type powder adding device according to claim 1, characterized in that: The end of the air induced duct (22) is in communication with the discharge pipe (46).

5. A clean feeding type powder adding device according to claim 1, characterized in that: The stirring and loosening mechanism comprises a stirring motor (31), a stirring shaft (32), a stirring arm (33) and a bottom scraper (34); the stirring shaft (32) is connected to the stirring motor (31); the stirring arm (33) and the bottom scraper (34) are fixedly connected to the stirring shaft (32); and the bottom scraper (34) is arranged at the bottom of the silo (11).

6. A clean feeding type powder adding device according to claim 5, characterized in that: The stirring arm (33) comprises a crossbar and a longitudinal bar, one end of the crossbar is fixedly connected to the stirring shaft (32), the longitudinal bar is fixedly connected to the crossbar, and the longitudinal bar is arranged perpendicular to the crossbar, a plurality of longitudinal bars are arranged on each crossbar, and the length of the longitudinal bars connected to each crossbar gradually increases in a direction away from the stirring shaft (32).

7. A clean feeding type powder adding device according to claim 1, characterized in that: The conveying mechanism comprises a conveying motor (41), a conveying pipeline (42), a conveying blade (43) and a material discharge stand pipe (44); the conveying pipeline (42) is arranged below the silo (11) and is in communication with the silo (11); the conveying blade (43) is rotatably arranged in the conveying pipeline (42); the conveying blade (43) is connected to the conveying motor (41) and is driven thereby; the material discharge stand pipe (44) is arranged at the end of the conveying pipeline (42) and is respectively in communication with the conveying pipeline (42) and the material discharge pipe (46).

8. A clean feeding type powder adding device according to claim 7, characterized in that: The conveying blade (43) is a hollow spiral blade.

9. A clean feeding type powder adding device according to claim 7, characterized in that: An observation window (45) is provided on the material discharge standpipe (44).

Images