Raw ore feeding device

Abstract

The utility model discloses a raw ore feeding device, which belongs to the technical field of mineral processing devices and comprises a feeding hopper. The feeding hopper comprises a front side plate, a rear side plate, a left side plate and a right side plate; one side plate is composed of a vertical fixed plate located on the upper portion and a movable plate movably connected with the vertical fixed plate; the movable plate is connected with an angle adjusting mechanism used for adjusting the included angle between the movable plate and the vertical fixed plate. According to the utility model, the included angle between the movable plate and the vertical fixed plate can be adjusted in a targeted manner through the angle adjusting mechanism according to the water content of raw ore, so that the falling of the raw ore is inhibited or the discharging of the raw ore is promoted, and finally, the effect of retarding blockage is realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of mineral processing devices, and more specifically relates to a raw ore feeding device. Background Art

[0002] In the prior art, the general processing flow of ore is as follows: the ore is mined from the mine and transported to the ore yard of the ore dressing plant, then shoveled by a shovel loader to a steel screen of a certain size for preliminary screening before entering the ore bin, and then the ore in the ore bin is fed through a feed hopper and sequentially enters the rod vibrating feeder, crusher, belt, and circular vibrating screen for processing, and finally crushed ore of a certain particle size is obtained.

[0003] In the actual production process, it is found that the raw ores with different moisture contents have different effects during the feeding process through the raw ore bin and the feeding hopper. When the moisture content of the raw ore is high, the raw ore bin and the feeding hopper are prone to blockage due to the adhesion of the raw ore; when the moisture content of the raw ore is low, the drier raw ore will have a severe impact on the feeding hopper, causing the feeding hopper to be severely worn or even punctured, and its service life will be seriously shortened. At the same time, the feeding will also be blocked due to the excessive feeding speed. In short, whether the feeding hopper is blocked or worn, it will have a very adverse impact on production, causing frequent shutdowns for maintenance, which seriously affects production efficiency.

[0004] In the traditional raw ore feeding device, when feeding, since the feeding hopper is mostly of fixed structure design, the feeding amount of the feeding hopper cannot be flexibly adjusted according to the moisture content of the raw ore. In this way, whether it is raw ore with low moisture content or raw ore with high moisture content, a vibration device is used to solve the blockage. However, due to the different reasons for blockage of raw ores with different moisture contents, there is a problem of poor clearing effect when using a vibration device for treatment. In addition, there is also a feeding structure with a movable design in the prior art, such as "A Uniform Feeding Hopper" with a publication number of CN214825949U, in which the technical solution includes two side baffles symmetrically installed inside the feeding hopper, the tops of the two side baffles are movably installed on two opposite side walls of the feeding hopper body, the bottoms of the two side baffles are provided with mounting holes, and a second steel wire rope is installed between the mounting holes of the two side baffles to make the opening width formed at the bottom adjustable. Through the above design, the purpose of being able to adjust the outlet width of the feeding hopper is achieved. However, in this technical solution, on the one hand, the side plate structure with adjustable discharge port width is located inside the hopper, which itself will affect the discharge of materials from the hopper, resulting in poor anti-blocking effect. On the other hand, the method of controlling and adjusting by wire rope has the problem of inconvenient adjustment. Utility Model Content

[0005] In order to overcome the problems existing in the background technology, the utility model patent provides a raw ore feeding device, which can flexibly adjust the feeding amount according to the moisture content of the raw ore, is easy to adjust and has better anti-clogging effect.

[0006] In order to achieve the above purpose, the utility model is implemented by the following technical solutions:

[0007] A raw ore feeding device comprises a feeding hopper; the feeding hopper comprises four side plates, namely, front, rear, left and right; one of the side plates is composed of a vertical fixed plate located at the top and a movable plate movably connected to the vertical fixed plate; the movable plate is connected to an angle adjustment mechanism for adjusting the angle between the movable plate and the vertical fixed plate.

[0008] Furthermore, the angle a between the movable plate and the vertical fixed plate is 10-45°, and the inclined bottom end of the movable plate faces the inner cavity of the feeding hopper.

[0009] Furthermore, the side panel facing the movable panel is composed of a first vertical section, an inclined section and a second vertical section connected in sequence from top to bottom, and the inclined bottom end of the inclined section faces the movable panel; the angle between the inclined section and the first vertical section is 30-45°.

[0010] Furthermore, the angle adjustment mechanism consists of a support plate, a hydraulic telescopic rod and a support rod; the support plate is vertically fixedly connected to the side plate located at the rear, and a hydraulic telescopic rod is fixedly connected to the lower part of the support plate; the two ends of the support rod are respectively movably connected to the lower surface of the movable plate and the top end of the telescopic rod of the hydraulic telescopic rod.

[0011] Furthermore, at least two angle adjustment mechanisms are provided.

[0012] Furthermore, a rubber lining is fixedly connected to the upper surface of the movable plate.

[0013] Furthermore, it also includes an ore bin fixedly connected to the top of the feed hopper; a through hole is opened on the outer wall of the ore bin, and a steel pipe is fixedly installed through the through hole; the exhaust end of the steel pipe extends into the interior of the ore bin, and the air inlet end is connected to an air cannon.

[0014] Beneficial effects of the utility model:

[0015] In the utility model, one of the traditional fixed side plates is designed as a movable structure, which includes a vertical fixed plate and a movable plate movably connected to the vertical fixed plate, and an angle adjustment mechanism for adjusting the angle of the movable plate is provided corresponding to the movable plate; when feeding, when the moisture content of the raw ore is low, the drier raw ore will cause blockage due to the faster feeding speed, and the angle between the movable plate and the vertical fixed plate can be increased by adjusting the angle adjustment mechanism, thereby suppressing the feeding speed of the raw ore; when the moisture content of the raw ore is high, the raw ore adheres to the feeding hopper and causes blockage, and the angle between the movable plate and the vertical fixed plate can be adjusted by the angle adjustment mechanism to be smaller, thereby promoting more raw ore discharge.

[0016] The utility model can adjust the angle between the movable plate and the vertical fixed plate through the angle adjustment mechanism according to the moisture content of the raw ore, thereby suppressing the falling of the raw ore or promoting the discharge of the raw ore, and finally achieving the effect of relieving blockage. In addition, compared with the existing wire rope control and adjustment method, it not only has a better anti-blockage effect, but also is more convenient to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the longitudinal cross-section structure of the utility model;

[0018] Figure 2 for Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0019] In the figure, 1-ore bin, 2-feeding hopper, 3-angle adjustment mechanism, 4-rubber lining, 20-side plate, 200-vertical fixed plate, 210-movable plate, 220-first vertical section, 230-inclined section, 240-second vertical section, 30-support plate, 31-hydraulic telescopic rod, 32-support rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to facilitate understanding by technicians.

[0021] like Figure 1 and Figure 2 As shown, a raw ore feeding device includes a feeding hopper 2; the feeding hopper 2 includes four side panels 20, namely, front, rear, left and right; the four side panels enclose a space chamber for accommodating raw ore;

[0022] One of the side panels 20 is composed of a vertical fixed panel 200 located at the top and a movable panel 210 movably connected to the vertical fixed panel 200; the movable panel 210 is connected to an angle adjustment mechanism 3 for adjusting the angle between the movable panel 210 and the vertical fixed panel 200. Compared with the conventional design in which all four side panels 20 are completely fixed, one of the side panels 20 is designed as a movable structure in the utility model; thus, when the angle between the movable panel 210 and the vertical fixed panel 200 is adjusted to different angles, the corresponding amount of raw ore discharged from the bottom of the feed hopper 2 per unit time is different. In the figure, a is the angle between the movable panel 210 and the vertical fixed panel 200.

[0023] Specifically, the movable plate 210 and the vertical fixed plate 200 can be movably connected via hinges.

[0024] Furthermore, when the moisture content of the raw ore is high, for example, higher than 4%, the angle between the movable plate and the vertical fixed plate can be adjusted to 10° through the angle adjustment mechanism, thereby obtaining a faster discharge rate and avoiding discharge blockage caused by the adhesion of the raw ore. Of course, in this case, the faster the discharge rate, the better. When the angle between the movable plate and the vertical fixed plate is less than 10°, new blockage will occur due to the faster discharge rate.

[0025] Similarly, when the moisture content of the raw ore is low, for example, lower than 3%, due to the low moisture content of the raw ore, the corresponding raw ore falls faster. If the falling speed is not restricted at this time, the discharge will be blocked due to falling too fast; specifically, at this time, the angle between the movable plate and the vertical fixed plate can be adjusted to 45° through the angle adjustment mechanism, so as to obtain a lower discharge rate and limit the rapid fall of the raw ore; of course, when the angle between the movable plate and the vertical fixed plate is greater than 45°, the normal discharge operation will be affected due to the slow discharge rate.

[0026] For the raw ore with a moisture content between 3% and 4%, the angle a between the movable plate 210 and the vertical fixed plate 200 can be controlled to be in the range of 10-45°, thereby obtaining a better anti-blocking effect.

[0027] Specifically, the side plate 20 facing the movable plate 210 is composed of a first vertical section 220, an inclined section 230 and a second vertical section 240 connected in sequence from top to bottom, and the inclined bottom end of the inclined section 230 faces the movable plate 210; the angle between the inclined section 230 and the first vertical section 220 is 30-45°. By adopting the above design, the three-section side plate 20 is less likely to be blocked in production compared with the whole inclined side plate, and the frequency of cleaning due to blockage is reduced in each shift.

[0028] Specifically, the angle adjustment mechanism 3 is composed of a support plate 30, a hydraulic telescopic rod 31 and a support rod 32; the support plate 30 is vertically fixedly connected to the side plate 20 located at the rear, and the hydraulic telescopic rod 31 is fixedly connected to the lower part of the support plate 30; the two ends of the support rod 32 are movably connected to the lower surface of the movable plate 210 and the top of the telescopic rod of the hydraulic telescopic rod 31 respectively. The way in which the support plate 30 is directly and vertically fixed to the rear side plate 20 makes the volume of the entire scheduling adjustment mechanism 3 smaller without occupying more extra space. Furthermore, when the above design is used, by controlling the extension of the telescopic rod of the hydraulic telescopic rod 31, the movement of the support rod 30 can be driven by the telescopic rod, thereby adjusting the angle between the movable plate 210 and the vertical fixed plate 200.

[0029] Furthermore, in order to improve the stable support for the movable plate 210 and reduce the damage to the angle adjustment mechanism 3 caused by the impact of material discharge, at least two angle adjustment mechanisms 3 are provided.

[0030] Furthermore, a rubber lining 4 is fixedly connected to the upper surface of the movable plate 210. The rubber lining 4 can be fixed to the movable plate 210 by a bolt and nut assembly. By setting the rubber lining 4, the impact of the ore falling on the movable plate 210 can be reduced, and its service life can be extended.

[0031] Furthermore, it also includes an ore bin 1 fixedly connected to the top of the feed hopper 2; a through hole is opened on the outer wall of the ore bin 1, and a steel pipe is fixedly installed through the through hole; the exhaust end of the steel pipe extends into the interior of the ore bin 1, and the air inlet end is connected to an air cannon. Through the above arrangement, when the moisture content of the ore is high and the blockage is serious, the air cannon can be introduced to assist in clearing the blockage, thereby quickly solving the blockage.

[0032] The working process of the utility model is as follows: when in use, the angle between the movable plate 210 and the vertical fixed plate 200 is adjusted according to the moisture content of the raw ore through the angle adjustment mechanism, so as to obtain a better discharge rate and reduce the occurrence of blockage.

[0033] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the utility model. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the protection scope of the utility model.

Claims

1. A raw ore feeding device, comprising a feeding hopper (2); the feeding hopper (2) comprises four side plates (20) at the front, rear, left and right sides; characterized in that: One of the side panels (20) is composed of a vertical fixed plate (200) located at the top and a movable plate (210) movably connected to the vertical fixed plate (200); the movable plate (210) is connected to an angle adjustment mechanism (3) for adjusting the angle between the movable plate (210) and the vertical fixed plate (200).

2. The raw ore feeding device according to claim 1, characterized in that: The included angle a between the movable plate (210) and the vertical fixed plate (200) is 10-45°, and the inclined bottom end of the movable plate (210) faces the inner cavity of the feeding hopper (2).

3. A raw ore feeding device according to claim 2, characterized in that: The side panel (20) facing the movable panel (210) is composed of a first vertical section (220), an inclined section (230) and a second vertical section (240) connected in sequence from top to bottom, and the inclined bottom end of the inclined section (230) faces the movable panel (210); the angle between the inclined section (230) and the first vertical section (220) is 30-45°.

4. The raw ore feeding device according to claim 1, characterized in that: The angle adjustment mechanism (3) is composed of a support plate (30), a hydraulic telescopic rod (31) and a support rod (32); the support plate (30) is vertically fixedly connected to the side plate (20) located at the rear, and the hydraulic telescopic rod (31) is fixedly connected to the lower part of the support plate (30); the two ends of the support rod (32) are respectively movably connected to the lower surface of the movable plate (210) and the telescopic rod top end of the hydraulic telescopic rod (31).

5. The raw ore feeding device according to claim 4, characterized in that: At least two angle adjustment mechanisms (3) are provided.

6. The raw ore feeding device according to claim 1, characterized in that: A rubber lining plate (4) is fixedly connected to the upper surface of the movable plate (210).

7. The raw ore feeding device according to claim 1, characterized in that: It also includes an ore bin (1) fixedly connected to the top of the feed hopper (2); a through hole is opened on the outer wall of the ore bin (1), and a steel pipe is fixedly installed through the through hole; the exhaust end of the steel pipe extends into the interior of the ore bin (1), and the air inlet end is connected to an air cannon.

Images