CN217586432U - Sampling system suitable for belt conveying process - Google Patents
Sampling system suitable for belt conveying process Download PDFInfo
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- CN217586432U CN217586432U CN202220161446.2U CN202220161446U CN217586432U CN 217586432 U CN217586432 U CN 217586432U CN 202220161446 U CN202220161446 U CN 202220161446U CN 217586432 U CN217586432 U CN 217586432U
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Abstract
The utility model relates to a sampling system suitable for the belt conveying process, which comprises a laser sensor, a sampling device and a material receiving device; the laser sensor is arranged on one side of a material conveying belt of the sintering machine; the sampling device is positioned behind the laser sensor and comprises a fixed support, a brake motor and a sampling scraper blade, the fixed support is erected above the material conveying belt and is provided with a protective cover, the sampling scraper blade is hinged in the fixed support and is positioned right above the material conveying belt, the brake motor is arranged outside the fixed support, an output shaft of the brake motor is connected with the inner end of the sampling scraper blade, the rotation direction of the sampling scraper blade is opposite to the movement direction of the material conveying belt, and a notch for scraping materials is formed in the outer end of the sampling scraper blade; the material receiving device is arranged behind the sampling scraper and used for receiving the materials thrown out by the sampling scraper. The utility model discloses realize automatic sampling, implement the full section sample, it is low to have the inspection deviation, and the representativeness is strong and the effect that the ageing is good as a result.
Description
Technical Field
The utility model relates to a sampling device, more specifically say, it relates to a sampling system suitable for belt conveyor process.
Background
At present, a manual timing sampling mode is generally adopted for sampling uniformly mixed mineral powder, shovels are used for sampling at feeding belts of burdening discs of each sintering machine during sampling, the sampling amount of each batch is 10 kg, and then the mixture is conveyed to sintering inspection points in batches to be subjected to division sampling. Obviously, the uniform mineral powder is sampled manually, the sampling mode seriously restricts the accuracy, timeliness and representativeness of a sample inspection result, and the production management requirement cannot be met.
Adopt artifical sample mode to carry out mixing ore deposit sample, there is the not strong, intensity of labour is big, the low potential safety hazard problem of inspection efficiency and rainy season operation of sample representativeness, and the concrete expression is:
firstly, the site safety condition is poor, and the sampling point does not move belt equipment, and the sample thing is the motion powdered ore, and the sample volume is big, the service line length, intensity of labour are big, especially when the rainy season is taken a sample, adopts the artifical sample of spade to cause the injury because of the feed bin spouts the material probably for the artifical sample operation personnel, has the potential safety hazard.
Secondly, the manual multi-point inspection by sections is point sampling, a large amount of inspection personnel is required, the labor efficiency is low, full-section sampling cannot be implemented, inspection deviation is easy to generate, the representativeness is not strong, the result timeliness is poor, and the manual optimization is not facilitated. Moreover, the inspection time is too long, the inspection data cannot report the result technically, and the guidance of iron-making production is not facilitated.
Therefore, there is a need to provide a sampling system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a sampling system suitable for belt conveyor process realizes automatic sample, implements full section sample, and it is low to have the inspection deviation, and the representativeness is strong and the effect that the result is ageing good.
The above technical object of the present invention can be achieved by the following technical solutions:
a sampling system suitable for a belt conveying process comprises a laser sensor, a sampling device and a material receiving device;
the laser sensor is arranged on one side of a material conveying belt of the sintering machine and used for detecting material flow on the material conveying belt;
the sampling device is positioned behind the laser sensor and comprises a fixed support, a brake motor and a sampling scraper blade, the fixed support is erected above the material conveying belt and is provided with a protective cover, the sampling scraper blade is hinged in the fixed support and is positioned right above the material conveying belt, the brake motor is arranged on the outer side of the fixed support, an output shaft of the brake motor is connected with the inner end of the sampling scraper blade, the sampling scraper blade rotates in the fixed support to sample, the rotating direction of the sampling scraper blade is opposite to the moving direction of the material conveying belt, and a notch for scraping materials is formed in the outer end of the sampling scraper blade;
the receiving device is arranged behind the sampling scraper and used for receiving materials thrown out by the sampling scraper.
In one of them embodiment, material collecting device includes scraper blade feeding mechanism and sample collection jar, scraper blade feeding mechanism is including connecing the material belt and the pay-off scraper blade that is driven by the chain, the pay-off scraper blade sets up in connecing material belt top, and the pay-off scraper blade in the pay-off in-process with connect the material belt contact, connect the front end of material belt to be located sample scraper blade rear, connect the rear end of material belt to aim at sample collection jar, the pay-off scraper blade is with the material from the front end propelling movement that connects the material belt to the rear end that connects the material belt, and the material gets into sample collection jar.
In one embodiment, the sample collection tank comprises a material receiving funnel, a bottom rotary disc controlled by a driving motor and a plurality of tank bodies arranged on the bottom rotary disc, the material receiving funnel is arranged below the rear end of the material receiving belt and above the plurality of tank bodies, and the material receiving funnel is aligned with the feeding hole of one of the tank bodies.
In one embodiment, a weight sensor is arranged at the bottom of each tank body.
In one embodiment, a proximity switch is arranged on the side face of the lower end of the material receiving funnel.
In one embodiment, the brake motor is provided with an angle encoder.
In one embodiment, a first monitor is disposed within the stationary bracket and a second monitor is disposed within the squeegee feed mechanism.
To sum up, the utility model discloses following beneficial effect has:
the utility model discloses not enough to current mixing powdered ore manual sampling existence, fully consider the relation of sample representativeness and sample volume, with the material conveyor belt department of sampling point antedisplacement to mixing powdered ore, sampling device is according to segmentation multiple spot sample requirement, realize on-the-spot sample and collection, promote sample detection efficiency, make the direction sintering production that testing result can be better, satisfy the requirement to mixing powdered ore quality inspection, improve the precision and the operating efficiency of mixing powdered ore inspection, alleviate post intensity of labour, improve on-the-spot safe operation environment, increase the sample frequency, with provide accuracy, timely quality data, be blast furnace production service better.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-material conveying belt, 2-laser sensor, 3-fixed support, 4-protective cover, 5-brake motor, 6-sampling scraper, 7-notch, 8-material receiving belt, 9-chain, 10-feeding scraper, 11-material receiving hopper, 12-tank, 13-drive motor and 14-bottom rotary table.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
As shown in fig. 1. The utility model provides a sampling system suitable for belt conveyor process, including laser sensor 2, sampling device and material collecting device.
The laser sensor 2 is arranged on one side of the material conveying belt 1 of the sintering machine. The laser sensor 2 is the conventional laser sensor 2, and its effect is whether to detect material on the material conveyor belt 1, uses with the sampling device cooperation, specifically, after laser sensor 2 detected that there is the material on the material conveyor belt 1, the sampling device postpones a period of time 60-90s and restarts, ensures the representativeness of sample.
Sampling device is in laser sensor 2's rear, including fixed bolster 3, brake motor 5 and sample scraper blade 6, 1 top of material conveyor belt is erect to fixed bolster 3, and is provided with protection casing 4, sample scraper blade 6 articulates in fixed bolster 3, and is located material conveyor belt 1 directly over, brake motor 5 sets up and is connected in the output shaft of 3 outsides of fixed bolster and brake motor 5 and the inner of sample scraper blade 6, makes sample scraper blade 6 at 3 internal rotation samplings of fixed bolster, the rotation direction of sample scraper blade 6 is opposite with material conveyor belt 1's direction of motion, the outer end of sample scraper blade 6 is provided with the notch 7 that is used for scraping the material.
The utility model discloses a sampling device's theory of operation is: the sampling scraper 6 rotates on the vertical plane, in the process that the sampling scraper 6 rotates to the lowest point, the notch 7 at the outer end of the sampling scraper 6 is inserted into the material at a set speed, the section material flow of the whole longitudinal width is rapidly intercepted to complete sampling, then the sampling scraper 6 drives the obtained material to continuously move upwards, the material leaves the material conveying belt 1, and a sampling step is completed.
It should be noted that the movement of the sampling scraper 6 is controlled by a brake motor 5, a speed reducer can be arranged between the brake motor 5 and the sampling scraper 6, the brake motor 5 is controlled by a frequency converter, and the brake motor 5 is provided with an angle encoder, so that the sampling scraper 6 stays at a position with an included angle of 45-60 degrees with the lowest point of the movement track of the sampling scraper in order to not affect the normal operation of the material conveying belt 1 when sampling is not needed, and is in a state of waiting for sampling. When sampling is needed, the whole section material flow with the longitudinal width is rapidly intercepted under the driving action of the brake motor 5 and the action of gravity to finish sampling.
The receiving device is arranged behind the sampling scraper 6 and used for receiving the materials thrown out by the sampling scraper 6. When the sampling scraper 6 continuously moves over the highest point after taking a sample, the sampling scraper 6 continuously rotates, the material is stopped in the notch 7 due to the fact that the rotating speed of the sampling scraper 6 is not enough, the material in the notch 7 is thrown out at the moment, part of the material enters the material receiving device, and the rest of the material falls back to the material conveying belt 1 after striking the protective cover 4.
Specifically, material collecting device includes scraper blade feeding mechanism and sample collection jar, scraper blade feeding mechanism is including connecing material belt 8 and the pay-off scraper blade 10 that is driven by chain 9, pay-off scraper blade 10 sets up in connecing material belt 8 top, and pay-off scraper blade 10 in the pay-off in-process with connect material belt 8 contact, connect the front end of material belt 8 to be located sample scraper blade 6 rear, connect the rear end of material belt 8 to aim at sample collection jar, pay-off scraper blade 10 is with the material from the front end propelling movement that connects material belt 8 to the rear end that connects material belt 8, and the material gets into sample collection jar.
The material part thrown out by the sampling scraper 6 drops to the receiving belt 8, the chain 9 is driven by a motor to rotate, the feeding scraper 10 is driven to move in a circulating and reciprocating mode, when the feeding scraper 10 moves to the front end of the receiving belt 8, due to the fact that the feeding scraper is in contact with the receiving belt 8, all materials on the receiving belt 8 are pushed to the rear end of the receiving belt 8 and pushed into a sample collecting tank, and collection of samples is completed.
The utility model discloses a sample collection tank includes by the bottom carousel 14 that connects material funnel 11, driving motor 13 control and sets up a plurality of jar bodies 12 on bottom carousel 14, connect material funnel 11 to set up in the rear end below that connects material belt 8 and be located a plurality of jar top of body 12, connect material funnel 11 to align with the feed inlet of one of them jar body 12.
Specifically, each time a sample is collected, only one of the tank bodies 12 is aligned with the receiving funnel 11, when the tank body 12 is filled with the material, the driving motor 13 is started, the bottom turntable 14 rotates, the adjacent empty tank body 12 is rotated to the position below the receiving funnel 11, and the sample collection is waited.
Further, a proximity switch is arranged on the side face of the lower end of the material receiving funnel 11, so that the material receiving funnel 11 is ensured to be aligned with the tank body 12 below, and the proximity switch is an existing conventional proximity switch.
In order to more accurately determine whether the cans 12 are filled with the material, the bottom of each of the cans 12 is provided with a weight sensor, which is an existing conventional weight sensor.
It should be noted that, in the present invention, the PLC controller is used to control the electronic devices of each part, and specifically, the PLC controller may be a siemens S7-1200 controller.
Furthermore, a first monitor is arranged in the fixed support 3, a second monitor is arranged in the scraper feeding mechanism, remote monitoring is achieved, and personnel on duty is not needed in a sampling site.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A sampling system suitable for a belt conveying process is characterized by comprising a laser sensor (2), a sampling device and a material receiving device;
the laser sensor (2) is arranged on one side of a material conveying belt (1) of the sintering machine and used for detecting material flow on the material conveying belt (1);
the sampling device is positioned behind the laser sensor (2) and comprises a fixed support (3), a brake motor (5) and a sampling scraper (6), wherein the fixed support (3) is erected above the material conveying belt (1) and is provided with a protective cover (4), the sampling scraper (6) is hinged in the fixed support (3) and is positioned right above the material conveying belt (1), the brake motor (5) is arranged outside the fixed support (3), an output shaft of the brake motor (5) is connected with the inner end of the sampling scraper (6), so that the sampling scraper (6) rotates in the fixed support (3) for sampling, the rotation direction of the sampling scraper (6) is opposite to the movement direction of the material conveying belt (1), and a notch (7) for scraping materials is formed in the outer end of the sampling scraper (6);
the receiving device is arranged behind the sampling scraper (6) and used for receiving materials thrown out by the sampling scraper (6).
2. The sampling system suitable for the belt conveying process as claimed in claim 1, wherein the material receiving device comprises a scraper feeding mechanism and a sample collecting tank, the scraper feeding mechanism comprises a material receiving belt (8) and a feeding scraper (10) driven by a chain (9), the feeding scraper (10) is arranged above the material receiving belt (8), the feeding scraper (10) is in contact with the material receiving belt (8) in the feeding process, the front end of the material receiving belt (8) is located behind the sampling scraper (6), the rear end of the material receiving belt (8) is aligned with the sample collecting tank, the feeding scraper (10) pushes the material from the front end of the material receiving belt (8) to the rear end of the material receiving belt (8), and the material enters the sample collecting tank.
3. The sampling system suitable for belt conveying process according to claim 2, wherein the sample collection tank comprises a receiving hopper (11), a bottom turntable (14) controlled by a driving motor (13) and a plurality of tank bodies (12) arranged on the bottom turntable (14), the receiving hopper (11) is arranged below the rear end of the receiving belt (8) and above the plurality of tank bodies (12), and the receiving hopper (11) is aligned with the feeding port of one of the tank bodies (12).
4. A sampling system adapted for use in a belt conveying process according to claim 3, wherein a weight sensor is provided at the bottom of each tank (12).
5. A sampling system suitable for belt conveying process according to claim 3, characterized in that the side of the lower end of the receiving hopper (11) is provided with a proximity switch.
6. A sampling system adapted to the belt conveying process according to any one of claims 1 to 5, characterized in that the brake motor (5) is provided with an angular encoder.
7. The belt conveyor sampling system of claim 2, wherein a first monitor is provided in the fixed support (3) and a second monitor is provided in the scraper feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220161446.2U CN217586432U (en) | 2022-01-20 | 2022-01-20 | Sampling system suitable for belt conveying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220161446.2U CN217586432U (en) | 2022-01-20 | 2022-01-20 | Sampling system suitable for belt conveying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217586432U true CN217586432U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220161446.2U Active CN217586432U (en) | 2022-01-20 | 2022-01-20 | Sampling system suitable for belt conveying process |
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| Country | Link |
|---|---|
| CN (1) | CN217586432U (en) |
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2022
- 2022-01-20 CN CN202220161446.2U patent/CN217586432U/en active Active
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