CN220912753U - High-reliability automatic sampling device - Google Patents

Abstract

The utility model discloses a high-reliability automatic sampling device, which comprises a position switching module, a sampling module and a sample collecting module, wherein the position switching module comprises a first bracket and an electric turntable arranged on the first bracket, a sampling arm extending horizontally outwards is arranged on the electric turntable, the sampling module comprises a lifting module arranged at the outermost end of the sampling arm, a buffer module arranged on the lifting module and driven to lift by the lifting module and a sampling module arranged under the buffer module, the sampling module comprises a pair of sampling half cylinders which are horizontally and coaxially arranged and sampling power for driving the two sampling half cylinders to relatively rotate, the two sampling half cylinders are arranged in an open axial section and are used for mutually closing to form a closed cylinder, and the sample collecting module is arranged on the periphery of the electric turntable in a surrounding mode and comprises a second bracket and a collection funnel arranged on the second bracket, compared with the prior art, the sampling device has the advantages that: the sampling uniformity and representativeness are good, and the degree of automation is high.

Description

High-reliability automatic sampling device

Technical Field

The utility model relates to the field of sampling devices, in particular to a high-reliability automatic sampling device.

Background

Conveyor belt sampling is a method for sample collection from a material stream (typically bulk material such as ore, coal, grain, etc.) during transport. In the fields of industry, mines and the like, transported materials are often required to be sampled so as to detect parameters such as quality, components, water content and the like of the transported materials. The conveyor belt sampling combines the sampling process with the material transporting process, and samples are taken by the sampling device when the material flow passes through the conveyor belt, so as to obtain representative samples. At present, the conveyer belt sampling can be carried out in the process of transporting materials, so that real-time monitoring and control are realized. It should be noted that the conveyor belt sampling must provide a representative sample that reflects the characteristics of the entire material flow; meanwhile, the conveyer belt sampling can be combined with an automatic system, so that efficient sample collection and analysis are realized. In this way, sampling in the material flow can reduce the interference of manual operation on the sample.

Reference may be made to the prior application, patent number: CN218766107U patent name: a sampling device for a coal conveyor belt. The device comprises a conveying assembly and a moving part, wherein the outer side of the conveying assembly is provided with the moving part assembled by bolts; according to the utility model, the moving part is assembled by bolts on the outer side of the conveying assembly, so that a sliding block which is connected with the moving assembly through screw threads can accurately move to a sampling position according to the position required by a user, and due to the fact that the plurality of groups of transmission mechanisms are arranged on the clamping and collecting tool, coal transported on the conveying belt can be effectively clamped by the plurality of groups of transmission mechanisms, and due to the fact that the plurality of groups of inserted side inserted rods are arranged on the side of the bearing table, when classified collection is required, the clamped coal samples can be placed into the collecting box through the cooperation of the hanging cover and the hinge plate by the plurality of groups of transmission mechanisms arranged on the clamping and collecting tool. It can be seen that this kind of sampling device can only carry out the single-point sampling to the cubic material, consequently to the unable cross section sampling that realizes under the majority condition, this just has led to sampling reliability degree low, and sampling efficiency is lower simultaneously, and follow-up inconvenient reasonable partial shipment and the division system appearance of carrying out. The inventors propose a highly reliable automatic sampling device to solve the above problems.

Disclosure of utility model

The utility model aims to overcome the technical defects and provide a high-reliability automatic sampling device.

This design proposes a highly reliable automatic sampling device, including the position switch module, sampling module and collection appearance module, the position switch module includes first support and installs the electronic revolving stage on first support, be provided with the outside sampling arm that extends of a level on the electronic revolving stage, sampling module is including setting up the lifting module at the sampling arm outer end, install on the lifting module and by its drive the buffer module that goes up and down and set up the sampling module under the buffer module, sampling module includes a pair of horizontal and coaxial half section of thick bamboo of taking a sample that sets up and the sampling power of two half section of thick bamboo relative rotations of drive, two half section of thick bamboo of taking a sample all are the open setting of axle cross-section, and be used for the mutual closure to form confined barrel, collection appearance module encircles the week side that sets up at electronic revolving stage, it includes the second support and installs the collection funnel on the second support.

Further, the position switching module further comprises a plurality of position sensors, and the position sensors are arranged on the first bracket and used for detecting the rotation angle of the sampling arm.

Further, the lifting module comprises a lifting guide seat fixedly connected with the sampling arm, a lifting moving seat vertically connected with the lifting guide seat in a sliding manner and a lifting cylinder, wherein a cylinder body of the lifting cylinder is fixedly connected with the lifting guide seat, and a piston rod is connected with the lifting moving seat.

Further, the buffer module is connected with the sampling module through a plurality of elastic elements and is used for buffering the upward pressure of the sampling module.

Further, the buffer module comprises a buffer guide seat fixedly connected with the lifting moving seat and an elastic element arranged on the buffer guide seat, the buffer guide seat is vertically and slidably connected with the sampling module, and the elastic element is in a compressed state and the lower end of the elastic element is connected with the sampling module.

Further, the sampling module further comprises a sampling seat which is horizontally arranged and is rectangular, the sampling seat is fixedly connected with one sampling half cylinder, and the other sampling half cylinder is rotatably arranged on the sampling seat.

Further, the sampling power comprises a stepping motor and a pair of gears, the stepping motor is fixedly arranged on the sampling seat, one gear is respectively arranged on the output shaft of the stepping motor and the rotating shaft of the sampling half cylinder, and the two gears are mutually meshed to realize transmission connection.

Further, the sample collection module further comprises a sub-packaging conveying belt arranged below the second support, and the sub-packaging conveying belt is used for conveying the plurality of sample boxes to sequentially pass through the collection hopper.

By adopting the structure, compared with the prior art, the utility model has the following advantages: the device can switch positions, so that sampling and sample collection split charging can be realized, wherein the lifting function of the sampling module enables sampling to be performed at different heights, and the device is suitable for material flows with different thicknesses, so that a more representative sample is obtained; the semicircular cylinder closed design of the sampling module can ensure that the sample is not interfered by the outside in the sampling process, so that a more accurate and reliable sample is provided; the device can be integrated with an automatic control system to realize an automatic sampling process, so that the efficiency is further improved and the manual intervention is reduced.

Drawings

Fig. 1 is a schematic perspective view of an embodiment 1 of a highly reliable automatic sampling device according to the present utility model.

Fig. 2 is a schematic front view of an embodiment 1 of a highly reliable automatic sampling device according to the present utility model.

Fig. 3 is a schematic perspective view of a sampling module of an embodiment 1 of a highly reliable automatic sampling device according to the present utility model.

Fig. 4 is a schematic diagram of a sampling module structure of an embodiment 1 of a highly reliable automatic sampling device according to the present utility model.

Fig. 5 is a schematic diagram of the use of embodiment 1 of a highly reliable automatic sampling device according to the present utility model.

As shown in the figure: 1. the device comprises a first support, 2, an electric turntable, 3, a sampling arm, 4, a lifting module, 5, a buffer module, 6, a sampling module, 7, a sampling half cylinder, 8, sampling power, 9, a second support, 10, a collecting hopper, 11, a position sensor, 12, a lifting guide seat, 13, a lifting cylinder, 14, a lifting moving seat, 15, an elastic element, 16, a buffer guide seat, 17, a sampling seat, 18, a stepping motor, 19, a gear, 20, a sub-packaging conveying belt, 21, an optical axis, 22, a linear bearing, 23 and a sample box.

Detailed Description

The following are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which is further described with reference to the accompanying drawings and examples.

Example 1:

referring to fig. 1-5, the device comprises a position switching module, a sampling module and a sample collecting module.

The device carries out automatic sampling to the conveyer belt, and it can carry out cross section sampling and accomplish the partial shipment of sample. The sampling module is used for taking out samples, the switching module can change the position of the sampling module, and the sample collecting module can collect and split the samples.

The position switching module includes a first bracket 1, an electric turntable 2 mounted on the first bracket 1, and two position sensors 11. The first bracket 1 is arranged beside the conveying belt, the electric turntable 2 is in the prior art, and the electric turntable realizes rotation by using a gear motor and a worm gear transmission pair. A horizontally outwardly extending sampling arm 3 is provided at the rotating end of the motorized turret 2. In this embodiment, the device samples from the left side and dispenses from the right side. Thus, the two position sensors 11 are respectively disposed at the left and right portions of the first bracket 1, so that detection of the rotation angle of the sampling arm 3 can be achieved.

The sampling module can realize section sampling of the conveying belt. The sampling module comprises a lifting module 4 arranged at the outermost end of the sampling arm 3, a buffer module 5 arranged on the lifting module 4 and driven to lift by the lifting module, and a sampling module 6 arranged under the buffer module 5.

It can be seen from the accompanying drawings that the sampling module 6 can be lifted up and down and buffered by the buffer module 5, so as to adapt to material flows with different thicknesses, thereby obtaining more representative samples.

In this embodiment, the lifting module 4 includes a lifting guide seat 12 fixedly connected to the sampling arm 3, a lifting moving seat 14 vertically slidably connected to the lifting guide seat 12, and a lifting cylinder 13. The elevation movement base 14 and the elevation guide base 12 are both slidably connected by an optical axis 21 and a linear bearing 22. The cylinder body of the lifting cylinder 13 is fixedly connected with the lifting guide seat 12, and the piston rod is connected with the lifting moving seat 14, so that lifting can be realized.

The buffer module 5 is connected to the sampling module 6 through two elastic elements 15 (gas springs), and is used for buffering the upward pressure of the sampling module 6. Specifically, the buffer module 5 includes a buffer guide seat 16 fixedly connected to the lifting moving seat 14, and an elastic element 15 mounted on the buffer guide seat 16. The buffer guide 16 is vertically slidably connected to the sampling module 6 via an optical axis 21 and a linear bearing 22. The elastic element 15 is in a compressed state, and the lower end of the elastic element is connected with the sampling module. Thus, the sampling module can perform certain buffering when contacting materials.

The sampling module 6 comprises a sampling seat 17, a pair of sampling half cylinders 7 which are axially horizontal and coaxially arranged, and sampling power 8 for driving the two sampling half cylinders 7 to relatively rotate. It can be seen that the two sampling half-cylinders 7 are arranged with an open axial section and can be mutually closed to form a closed cylinder. The axial direction of the sampling module is perpendicular to the movement direction of the material, so that section sampling can be realized. Specifically, the sampling seat 17 is a horizontally arranged rectangle, and is fixedly connected with one sampling half cylinder 7, and the other sampling half cylinder 7 is rotatably installed on the sampling seat 17. The sampling power 8 comprises a stepping motor 18 and a pair of gears 19, the stepping motor 18 is fixedly arranged on the sampling seat 17, the output shaft of the stepping motor and the rotating shaft of the sampling half cylinder 7 are respectively provided with one gear 19, and the two gears 19 are mutually meshed to realize transmission connection, so that the two sampling half cylinders 7 can be closed and opened.

The sample collection module is arranged on the right side of the electric turntable 2 and can collect and split samples. The sample collection module comprises a second bracket 9, an aggregate funnel 10 arranged on the second bracket 9 and a split charging conveying belt 20 arranged below the second bracket 9. It can be seen with reference to the drawings that the shape of the aggregate funnel 10 matches the sampling module 6 so that the sampling module 6 can be inserted and opened. A plurality of sample cartridges 23 may be disposed on the sub-packaging conveyor 20, and the plurality of sample cartridges 23 may be loaded while sequentially passing through the aggregate funnel 10.

The device can automatically complete the sampling of multiple batches, randomly extract logistics and collect samples through the sampling module 6. Meanwhile, the right split charging conveyor belt 20 can be matched, so that split charging of samples can be automatically completed, the samples collected at each position and time are recorded and split charging is reasonable, an automatic sampling process is realized, and the efficiency is further improved and manual intervention is reduced.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (8)

1. A highly reliable automatic sampling device is characterized in that: including position switch module, sampling module and collection appearance module, position switch module includes first support (1) and installs electronic revolving stage (2) on first support (1), be provided with a level outwards extension's sampling arm (3) on electronic revolving stage (2), sampling module is including setting up lifting module (4) at sampling arm (3) extreme, install on lifting module (4) and by its drive buffering module (5) and set up sampling module (6) under buffering module (5), sampling module (6) include a pair of level and coaxial sampling half-tube (7) that set up and drive two sampling half-tube (7) relative rotation's sampling power (8), two sampling half-tube (7) are the open setting of cross-section, and be used for the mutual closed cylinder that forms, collection appearance module encircles the week side that sets up at electronic revolving stage (2), it includes second support (9) and installs collection material (10) on second support (9).

2. The highly reliable automatic sampling device of claim 1, wherein: the position switching module further comprises a plurality of position sensors (11), and the position sensors (11) are arranged on the first bracket (1) and are used for detecting the rotation angle of the sampling arm (3).

3. The highly reliable automatic sampling device of claim 1, wherein: the lifting module (4) comprises a lifting guide seat (12) fixedly connected with the sampling arm (3), a lifting moving seat (14) vertically connected with the lifting guide seat (12) in a sliding mode and a lifting air cylinder (13), wherein a cylinder body of the lifting air cylinder (13) is fixedly connected with the lifting guide seat (12), and a piston rod is connected with the lifting moving seat (14).

4. A highly reliable automatic sampling device according to claim 3, characterized in that: the buffer module (5) is connected with the sampling module (6) through a plurality of elastic elements (15) and is used for buffering the upward pressure of the sampling module (6).

5. The high-reliability automatic sampling device according to claim 4, wherein: the buffer module (5) comprises a buffer guide seat (16) fixedly connected with the lifting moving seat (14) and an elastic element (15) arranged on the buffer guide seat (16), the buffer guide seat (16) is vertically and slidably connected with the sampling module (6), and the elastic element (15) is in a compressed state and the lower end of the elastic element is connected with the sampling module.

6. The high-reliability automatic sampling device according to claim 5, wherein: the sampling module (6) further comprises a sampling seat (17), the sampling seat (17) is horizontally arranged rectangular and fixedly connected with one sampling half cylinder (7), and the other sampling half cylinder (7) is rotatably arranged on the sampling seat (17).

7. The high-reliability automatic sampling device according to claim 6, wherein: the sampling power (8) comprises a stepping motor (18) and a pair of gears (19), the stepping motor (18) is fixedly arranged on the sampling seat (17), the output shaft of the stepping motor and the rotating shaft of the sampling half cylinder (7) are respectively provided with one gear (19), and the two gears (19) are mutually meshed to realize transmission connection.

8. A highly reliable automatic sampling device according to any one of claims 1 to 7, characterized in that: the sample collection module further comprises a sub-packaging conveying belt (20) arranged below the second support (9), and the sub-packaging conveying belt (20) is used for conveying a plurality of sample boxes (23) to sequentially pass through the collection hopper (10).