Timed and quantitative automatic sampling device for mineral powder

Abstract

The utility model relates to the technical field of mineral powder sampling equipment, and discloses a regular and quantitative automatic mineral powder sampling device which comprises a mineral powder conveying belt, a sampling mechanism is arranged behind the mineral powder conveying belt, a supporting frame is installed in front of the mineral powder conveying belt, the upper end of the supporting frame is connected with a packing auger conveyor in a penetrating mode, and the packing auger conveyor is connected with the sampling mechanism. A second motor is installed at the lower end of the left side surface of the supporting frame, a second screw rod is installed at the output end of the second motor, a moving plate is in threaded connection with the outer portion of the second screw rod, a storage tank is installed on the upper surface of the moving plate, and a quantifying mechanism is arranged on the portion, located on the right side of the storage tank, of the upper surface of the moving plate. According to the utility model, mineral powder is conveyed into the sample tank through the auger conveyor, and the weighing sensor is used for weighing whether the weight of a sample reaches a required value or not, so that the quantitative sampling requirement of any weight is realized; and the second motor drives the moving plate to move rightwards, so that the storage tank is right opposite to the discharging pipe, and residual mineral powder in the auger conveyor can be stored.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of ore powder sampling equipment technical field, specifically a kind of for ore powder timing quantitative automatic sampling device. BACKGROUND

[0002] In the production or transportation process of ore powder, especially in the production and transportation process of concentrate powder, the collection of samples needs to truly and reliably reflect the actual situation of ore powder, which requires collecting samples with sufficient quantity, good uniformity and strong representativeness.

[0003] The existing ore powder sampling method usually relies on manual timing to arrive at the production site, and uses a sampling spoon to collect ore powder on the filter machine in operation for detection. This sampling method requires sampling personnel to take multiple ore samples at multiple sampling points, which is labor-intensive and has limited sampling frequency. There are problems such as delayed sampling, long sampling interval, uneven sampling, high operation safety risk, etc., which can lead to insufficient representativeness of the collected samples, distorted detection data, and further impact the production and quality of products.

[0004] A kind of ore powder automatic sampling device is disclosed in Chinese patent (authorized publication number CN221173980U). This patent technology sets up a slide rail and a sampling car above the ore powder warehouse to perform timing and automatic sampling, and obtains the ore powder samples in the sampling car through a sample dividing device. The selected samples meet the requirements of predetermined sample quantity and good representativeness, and have the characteristics of automatic sampling, controllable sampling frequency, good sample uniformity and high representativeness.

[0005] However, it has certain drawbacks: the sample volume of the sampler is fixed, and the weight of the sample received is also fixed, so it does not meet the quantitative sampling requirements of ore powder of any weight. UTILITY MODEL CONTENT

[0006] The utility model aims to provide a kind of for ore powder timing quantitative automatic sampling device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0008] The utility model provides a kind of for ore powder timing ration automatic sampling device, including ore powder conveyor belt, sampling mechanism is arranged in the rear of the ore powder conveyor belt, support frame is installed in the front of the ore powder conveyor belt, the upper end of the support frame is connected with auger conveyor through penetration, the upper surface left end of the auger conveyor is connected with feed hopper through penetration, and the lower surface right end of auger conveyor is connected with discharge pipe through penetration, the lower end of the left side surface of the support frame is installed with second motor, the output of the second motor is installed with second screw rod, the outer thread of the second screw rod is connected with moving plate, the upper surface of the moving plate is installed with storage tank, and the upper surface of the moving plate is located in the right side of storage tank and is provided with ration mechanism.

[0009] As a further scheme of the utility model: the sampling mechanism includes support seat, the upper surface of the support seat is installed with first motor, the output of the first motor is installed with first screw rod, the outer thread of the first screw rod is connected with lifting plate, the upper surface front end of the lifting plate is installed with sampling fan, the air inlet end of the sampling fan is installed with first pipeline, and the air outlet end of the sampling fan is installed with second pipeline.

[0010] As a further scheme of the utility model: the ration mechanism includes mounting seat, the upper surface inside of the mounting seat is installed with third motor, the output of the third motor is installed with rotary table, a plurality of installation grooves are evenly arranged at the upper surface outside edge of the rotary table, the inside lower surface of the installation groove is installed with weighing sensor, and sample jar is placed in the inside of the installation groove and above the weighing sensor.

[0011] As a further scheme of the utility model: the feed hopper is located at the left side of support frame, and the lower end of the moving plate is slidably connected to the upper surface of the support frame.

[0012] As a further scheme of the utility model: the support seat is located behind the ore powder conveyor belt, the lower end of the first screw rod is rotatably connected to the inside lower surface of the support seat, the rear end of the lifting plate is slidably connected to the inside rear surface of the support seat, and one end of the second pipeline is connected to the upper surface of the feed hopper through penetration.

[0013] As a further scheme of the utility model: the lower end of the mounting seat is installed on the upper surface of the moving plate, the rotary table is located above the mounting seat, and the lower end of the discharge pipe is opposite to one sample jar.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The utility model is provided with sampling mechanism, the first motor in sampling mechanism drives first screw rod to rotate, drives first pipeline to be close to ore powder, and automatic sampling of ore powder is carried out by sampling fan.

[0016] 2. The utility model discloses a screw conveyor is with the ore powder is transported to the sample jar, through the weighing sensor, whether the weight of sample reaches the required value is weighed, realizes the quantitative sampling requirement of arbitrary weight, the second motor drives the right of moving board and removes, makes the storage jar be opposite to the discharge pipe, can receive the ore powder of remaining in the screw conveyor, avoids its adulteration in the ore powder of next sampling. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a kind of structure schematic diagram for ore powder timing quantitative automatic sampling device;

[0018] Figure 2 It is a kind of structure schematic diagram for sampling mechanism in ore powder timing quantitative automatic sampling device;

[0019] Figure 3 It is a kind of local schematic diagram for ore powder timing quantitative automatic sampling device;

[0020] Figure 4 It is a kind of structure schematic diagram for quantitative mechanism in ore powder timing quantitative automatic sampling device;

[0021] Figure 5 It is a kind of local sectional view for carousel in ore powder timing quantitative automatic sampling device.

[0022] In the drawing: 1, ore powder conveyor belt;2, sampling mechanism;3, support seat;4, first motor;5, first screw;6, lifting plate;7, sampling fan;8, first pipeline;9, second pipeline;10, support frame;11, screw conveyor;12, feed hopper;13, discharge pipe;14, second motor;15, second screw;16, moving plate;17, storage jar;18, quantitative mechanism;19, mounting seat;20, third motor;21, carousel;22, mounting groove;23, weighing sensor;24, sample jar. DETAILED DESCRIPTION

[0023] Please refer to Figure 1 And Figure 2 In the utility model embodiment, a kind of for ore powder timing quantitative automatic sampling device, including ore powder conveyor belt 1, sampling mechanism 2 is provided at the rear of ore powder conveyor belt 1, and sampling mechanism 2 includes support seat 3, support seat 3 is located at the rear of ore powder conveyor belt 1, and first motor 4 is installed on the upper surface of support seat 3, and the output end of first motor 4 is installed with first screw 5, and the lower end of first screw 5 is rotatably connected to the inner lower surface of support seat 3, and the outer thread of first screw 5 is connected with lifting plate 6, and the rear end of lifting plate 6 is slidably connected to the inner rear surface of support seat 3, and the upper surface front end of lifting plate 6 is installed with sampling fan 7, and the air inlet end of sampling fan 7 is installed with first pipeline 8, and the air outlet end of sampling fan 7 is installed with second pipeline 9;

[0024] The mineral powder conveying belt 1 is used for conveying mineral powder from left to right;

[0025] The first motor 4 is connected to a forward and reverse circuit, and is used for driving the first screw to rotate forward and backward;

[0026] When the lifting plate 6 is lowered to the lowest end, the lower end of the first pipeline 8 is 0.5-1 cm away from the mineral powder, and is used for sucking the mineral powder, so as to sample;

[0027] The first motor 4 and the sampling fan 7 are electrically connected with an external control system, so as to realize automatic operation.

[0028] In the Figures 1 to 5 , the front of the mineral powder conveying belt 1 is provided with a support frame 10, the upper end of the support frame 10 is connected with an auger conveyor 11 in a penetrating manner, the upper surface of the auger conveyor 11 is connected with a feeding hopper 12 in a penetrating manner at the left end, one end of the second pipeline 9 is connected with the upper surface of the feeding hopper 12 in a penetrating manner, the feeding hopper 12 is located at the left side of the support frame 10, the lower surface of the auger conveyor 11 is connected with a discharging pipe 13 in a penetrating manner at the right end, a second motor 14 is installed at the lower end of the left side surface of the support frame 10, a second screw 15 is installed at the output end of the second motor 14, a moving plate 16 is connected with the second screw 15 in a threaded manner, the lower end of the moving plate 16 is connected with the upper surface of the support frame 10 in a sliding manner, a storage tank 17 is installed on the upper surface of the moving plate 16, a quantitative mechanism 18 is arranged on the upper surface of the moving plate 16 and located at the right side of the storage tank 17, the quantitative mechanism 18 comprises a mounting seat 19, the lower end of the mounting seat 19 is installed on the upper surface of the moving plate 16, a third motor 20 is installed on the inner upper surface of the mounting seat 19, a rotating disc 21 is installed at the output end of the third motor 20, the rotating disc 21 is located above the mounting seat 19, a plurality of mounting grooves 22 are uniformly arranged on the upper surface of the rotating disc 21 at the outer side edges, a weighing sensor 23 is installed on the inner lower surface of the mounting groove 22, and a sample tank 24 is placed in the mounting groove 22 and located above the weighing sensor 23, and the lower end of the discharging pipe 13 is opposite to one sample tank 24;

[0029] The auger conveyor 11 is used for conveying the sucked mineral powder into the sample tank 24;

[0030] The weighing sensor 23 is used for detecting the weight of the sample in the sample tank 24, so as to quantitatively take the sample;

[0031] The third motor 20 is self-locking, that is, the motor shaft cannot rotate after power-off, and the third motor 20 is preferably a stepping motor or a servo motor, which can rotate a fixed angle each time, drive different sample tanks 24 to be opposite to the discharging pipe 13, and be used for taking samples at different time points;

[0032] The second motor 14 is connected to a forward and reverse circuit, and is used for driving the second screw 15 to rotate forward and backward;

[0033] When the mobile plate 16 drives the receiving tank 17 to move to the position right opposite to the discharge pipe 13, the receiving tank 17 can receive the residual ore powder in the auger conveyor 11;

[0034] The lower surface of the discharge pipe 13 is higher than the upper surface of the receiving tank 17 and the sample tank 24;

[0035] The auger conveyor 11, the second motor 14, the third motor 20 and the weighing sensor 23 are electrically connected with an external control system, so as to realize automatic operation.

[0036] The working principle of the utility model is: when the sampling time is reached, the first motor 4 drives the first screw rod 5 to rotate, thereby driving the lifting plate 6 to descend, so that the first pipeline 8 is close to the ore powder; the sampling fan 7 draws the ore powder into the feeding hopper 12, the auger conveyor 11 conveys the ore powder to the sample tank 24, when the weighing sensor 23 detects that the sample weight reaches the standard, the sampling fan 7 and the auger conveyor 11 stop, the first motor 4 drives the first screw rod 5 to reverse, so that the lifting plate 6 resets; then, the second motor 14 drives the second screw rod 15 to rotate, drives the mobile plate 16 to move right, so that the receiving tank 17 is right opposite to the discharge pipe 13, the sampling fan 7 and the auger conveyor 11 start to convey the residual ore powder to the receiving tank 17, after a period of time, the sampling fan 7 and the auger conveyor 11 stop, in the process, the third motor 20 drives the rotating disc 21 to rotate by a certain angle, so that another sample tank 24 replaces the position of the previous sample tank 24; finally, the second motor 14 drives the second screw rod 15 to reverse, drives the mobile plate 16 to move left, so that the sample tank 24 is right opposite to the discharge pipe 13, thereby completing the whole sampling process.

[0037] The above merely describes a preferred embodiment of the utility model, and the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent substitution or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0038] In the description of the utility model, it should be explained that, unless another explicit provision and limitation, the terms "mount", "connect", "connection" should be understood in a broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected; can be mechanical connection, can be electrical connection; can be directly connected, can be indirectly connected through the intermediate medium, can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. An automatic sampling device for timed and quantitative sampling of mineral powder, comprising a mineral powder conveyor belt (1), wherein a sampling mechanism (2) is provided behind the mineral powder conveyor belt (1), characterized in that, A support frame (10) is installed in front of the mineral powder conveyor belt (1). An auger conveyor (11) is connected through the upper end of the support frame (10). A feed hopper (12) is connected through the left end of the upper surface of the auger conveyor (11), and a discharge pipe (13) is connected through the right end of the lower surface of the auger conveyor (11). A second motor (14) is installed at the lower end of the left side surface of the support frame (10). A second screw (15) is installed at the output end of the second motor (14). A moving plate (16) is connected to the external thread of the second screw (15). A collection tank (17) is installed on the upper surface of the moving plate (16), and a metering mechanism (18) is set on the right side of the collection tank (17) on the upper surface of the moving plate (16).

2. The automatic sampling device for timed and quantitative sampling of mineral powder according to claim 1, characterized in that, The sampling mechanism (2) includes a support base (3), a first motor (4) is mounted on the upper surface of the support base (3), a first screw (5) is mounted on the output end of the first motor (4), a lifting plate (6) is connected to the external thread of the first screw (5), a sampling fan (7) is mounted on the front end of the upper surface of the lifting plate (6), a first pipe (8) is mounted on the air inlet end of the sampling fan (7), and a second pipe (9) is mounted on the air outlet end of the sampling fan (7).

3. The automatic sampling device for timed and quantitative sampling of mineral powder according to claim 1, characterized in that, The quantitative mechanism (18) includes a mounting base (19), on the inner upper surface of the mounting base (19) a third motor (20) is mounted, and a turntable (21) is mounted at the output end of the third motor (20). Multiple mounting slots (22) are evenly opened at the outer edge of the upper surface of the turntable (21). A weighing sensor (23) is mounted on the inner lower surface of the mounting slot (22), and a sample container (24) is placed inside the mounting slot (22) above the weighing sensor (23).

4. The automatic sampling device for timed and quantitative sampling of mineral powder according to claim 1, characterized in that, The feed hopper (12) is located on the left side of the support frame (10), and the lower end of the moving plate (16) is slidably connected to the upper surface of the support frame (10).

5. The automatic sampling device for timed and quantitative sampling of mineral powder according to claim 2, characterized in that, The support base (3) is located behind the mineral powder conveyor belt (1). The lower end of the first screw (5) is rotatably connected to the lower inner surface of the support base (3). The rear end of the lifting plate (6) is slidably connected to the rear inner surface of the support base (3). One end of the second pipe (9) is connected to the upper surface of the feed hopper (12).

6. The automatic sampling device for timed and quantitative sampling of mineral powder according to claim 3, characterized in that, The lower end of the mounting base (19) is mounted on the upper surface of the movable plate (16), the turntable (21) is located above the mounting base (19), and the lower end of the discharge pipe (13) is directly opposite a sample container (24).

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