Controllable constant-speed feeding ore grinding device

Abstract

The utility model discloses a controllable constant-speed feeding ore grinding device which comprises a columnar support, a stock bin is arranged at the top of the support, a dispersing feeder is arranged at the bottom of the stock bin, a rotatable grinding barrel is arranged below the dispersing feeder and is driven by a three-phase motor, grinding media are arranged in the grinding barrel, and a replaceable sieve plate is arranged at the bottom of the grinding barrel. A limiter is arranged between the support and the grinding barrel, and a discharging port is formed in the bottom of the support. When the device is applied to detection of ore samples in a laboratory, the processes of manual feeding and manual screening are omitted, the granularity of the ore samples is strictly limited, and the detection result is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to dressing equipment technical field, concretely relates to a controllable uniform speed feeding grinding device. BACKGROUND

[0002] Sampling is often needed for experimental detection during dressing operation, and the original sample needs to be ground before detection, but the laboratory ore sample grinding device currently adopts manual feeding, and the feeding speed is uneven, and manual screening (mainly picking out grinding medium) is needed after grinding, which can easily pollute the working space and cause health damage to the operator, and the size of the ground mineral particle size is often uneven, which can affect the detection effect. UTILITY MODEL CONTENT

[0003] The utility model discloses a controllable uniform speed feeding grinding device, which solves the problems of low automation degree of traditional laboratory ore grinding device and difficult control of mineral grinding particle size.

[0004] The utility model adopts the technical scheme as follows:

[0005] A controllable uniform speed feeding grinding device, which comprises a columnar support, a stock bin is arranged at the top of the support, a dispersing ore feeder is arranged at the bottom of the stock bin, a rotatable grinding cylinder is arranged below the dispersing ore feeder and is driven by three motors, grinding medium is arranged in the grinding cylinder, a replaceable screen plate is arranged at the bottom of the grinding cylinder, a limiting device is arranged between the support and the grinding cylinder, and a discharge port is arranged at the bottom of the support.

[0006] Preferably, the dispersing ore feeder adopts double-impeller side-by-side cooperation feeding and is driven by a feeding motor, and the feeding motor is controlled by a PLC control system.

[0007] Preferably, the grinding cylinder adopts belt rotation, and a belt mounting area is arranged on the outer wall of the grinding cylinder.

[0008] Preferably, the grinding cylinder is installed on the bottom of the support through a bearing at the bottom shaft of the grinding cylinder.

[0009] Preferably, the limiting device is a wheel type structure with at least three numbers and is installed on the inner wall of the support.

[0010] As the above technical scheme is adopted, the utility model has the beneficial effects as follows:

[0011] (1) The utility model has high automation degree, and the process of manual feeding and manual screening is omitted.

[0012] (2) The utility model adopts a replaceable screen plate, which can be replaced according to experimental needs, ensures the uniformity of the grinding particle size of the mineral, and improves the detection precision. DRAWING EXPLANATION

[0013] Figure 1 is a whole structure schematic view of the utility model.

[0014] In the figure: 1 - support, 2 - stock bin, 3 - dispersion feeder, 4 - grinding cylinder, 5 - three-phase motor, 6 - grinding medium, 7 - sieve plate, 8 - limit stopper, 9 - discharge port, 10 - feeding motor, 11 - belt mounting area, 12 - bearing. DETAILED DESCRIPTION

[0015] In order to make the utility model purposes, technical solutions and advantages more clearly, the following will be combined with the drawings and examples, and the utility model will be further described in detail.

[0016] As Figure 1 shown, a controllable uniform-feeding ore grinding device, including cylindrical support 1, the top of support 1 is equipped with stock bin 2, the bottom of stock bin 2 is equipped with dispersion feeder 3, dispersion feeder 3 adopts double-impeller side-by-side opposite rotation cooperation feeding, driven by feeding motor 10, each impeller has three feeding plates, and feeding motor 10 is controlled by PLC control circuit. The lower portion of dispersion feeder 3 is equipped with rotatable grinding cylinder 4, driven by three-phase motor 5, grinding cylinder 4 is equipped with grinding medium 6, and the bottom of grinding cylinder 4 is equipped with replaceable sieve plate 7, the inner wall of support 1 in the lower region of grinding cylinder 4 is uniformly distributed with at least three limit stoppers 8, adopts wheel type structure, limit stopper 8 limits the rotation of grinding cylinder 4 to reduce vibration, and the bottom of support 1 is equipped with discharge port 9. The rotation support point of grinding cylinder 4 is at the bottom thereof, which is installed on support 1 through bearing 12, and grinding cylinder 4 adopts belt rotation, and belt mounting area 11 is arranged on the outer wall of grinding cylinder 4.

[0017] The use process and principle of the device are as follows:

[0018] The operator adds ore sample into stock bin 2, starts the equipment, dispersion feeder 3 adds ore sample into grinding cylinder 4 for grinding according to the setting, and the ore sample meeting the preset standard particle size will leak from the mesh hole of sieve plate 7 and be discharged from discharge port 9 along with the grinding.

[0019] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model. For those skilled in the art, the utility model can be changed and varied. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A controllable uniform feed grinding device, comprising a columnar support (1), characterized in that: The support (1) is provided with a hopper (2) at the top, a dispersing feeder (3) at the bottom of the hopper (2), a rotatable grinding cylinder (4) below the dispersing feeder (3) and driven by a three-phase motor (5), the grinding cylinder (4) is filled with grinding media (6), and a replaceable screen plate (7) is provided at the bottom of the grinding cylinder (4), a limiter (8) is provided between the support (1) and the grinding cylinder, and a discharge port (9) is provided at the bottom of the support (1).

2. The controllable uniform feed grinding device according to claim 1, characterized in that: The dispersed feeder (3) uses a double impeller in parallel for feeding and is driven by a feed motor (10), which is controlled by a PLC control system.

3. The controllable uniform feed grinding device according to claim 1, characterized in that: The abrasive cylinder (4) is equipped with a belt rotation, and the outer wall of the abrasive cylinder (4) is provided with a belt mounting area (11).

4. The controllable uniform feed grinding device according to claim 1, characterized in that: The abrasive cylinder (4) is mounted on the bottom of the bracket (1) via a bearing (12) at the bottom of the rotating shaft.

5. The controllable uniform feed grinding device according to claim 1, characterized in that: The limiter (8) is a wheel structure with at least three units, installed on the inner wall of the bracket (1).

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