CN211318476U - Full-automatic sample preparation screening and measuring system for alloy ore - Google Patents

Abstract

The utility model relates to a full-automatic system appearance screening survey system. The full-automatic system appearance screening survey system of alloy ore includes: the system comprises an incoming sample weighing and conveying unit, a screening and measuring unit, a sample preparation unit and a PLC control unit which are connected in sequence; the sample weighing and conveying unit is used for opening a sample bag, weighing the sample and conveying the weighed sample to the screening and measuring unit; the screening and measuring unit is used for automatically screening the alloy ore sample, automatically collecting the screened sample, automatically weighing and metering and uploading the weighing data to the PLC control unit; the sample preparation unit is used for automatically crushing the collected alloy ore sample, and dividing and collecting the crushed sample; the PLC control unit is used for controlling the flow work of each unit device in the system; the sample weighing and conveying unit comprises an automatic unpacking and weighing device. The utility model discloses a full-automatic system appearance screening survey system in alloy ore deposit, each unit equipment all passes through PLC control, and system automation degree is high, has effectively improved the accuracy of work efficiency and survey.

Description

Full-automatic sample preparation screening and measuring system for alloy ore

Technical Field

The utility model belongs to the technical field of sampling system appearance equipment, concretely relates to full-automatic system appearance screening survey system.

Background

The alloy ore sample preparation analysis equipment facility is a device applied to the requirements of raw material analysis and detection, scientific research and the like in the steel and metallurgy industry. At present, most sample preparation rooms and laboratory sample preparation detection processes mainly carry barreled samples to be prepared by manual work, and gradually carry out sample preparation work such as crushing, division, grinding and the like on the samples; and (4) carrying out granularity measurement work such as manual feeding single-machine screening, manual weighing and the like on the sample. The defects of the traditional manual sample preparation and particle size screening weighing determination process are mainly shown as follows: the manual participation degree is higher, the physical labor intensity of sample preparation workers is high, and the sample preparation and measurement deviation generated and introduced by manual sample preparation and screening measurement is larger.

In the prior art, for an alloy ore ton bag, a manual bag opening mode is adopted, and workers take a certain amount of samples to perform subsequent operations such as weighing after the bag is opened. If the sample volume that needs is great, need the manual work to unpack the back and transfer the sample to weighing device again and weigh, this kind of mode is efficient extremely low, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the traditional system appearance survey process, the utility model provides a full-automatic system appearance screening survey system of alloy ore deposit.

The utility model provides a technical scheme that its technical problem adopted is: full-automatic system appearance screening survey system of alloy ore deposit includes: the system comprises an incoming sample weighing and conveying unit, a screening and measuring unit, a sample preparation unit and a PLC control unit which are connected in sequence; the sample weighing and conveying unit is used for opening a sample bag, weighing the sample and conveying the weighed sample to the screening and measuring unit; the screening and measuring unit is used for automatically screening the alloy ore sample, automatically collecting the screened sample, automatically weighing and metering and uploading the weighing data to the PLC control unit; the sample preparation unit is used for automatically crushing the collected alloy ore sample, and dividing and collecting the crushed sample; the PLC control unit is used for controlling the flow work of each unit device in the system; the method is characterized in that: the sample weighing and conveying unit comprises an automatic unpacking and weighing device.

As a further improvement of the utility model, the automatic unpacking and weighing device comprises a bin body, a unpacking component, a main body frame and a weighing component, wherein a bin body side plate is fixed on the main body frame, and a switching door is arranged on the side surface of the bin body and is connected with the main body frame through a hinge; the unpacking component is arranged at the bottom of the bin body, and the weighing component is arranged below the unpacking component.

As a further improvement of the utility model, the unpacking subassembly including unpacking part and support, it fixes to open the packing part on the support, the scaffold weldment be in on the main body frame.

As a further improvement of the utility model, the bag opening component is a hot melting rod or a cutting knife.

As a further improvement of the utility model, the switch door is connected with a telescopic cylinder; the base of the telescopic cylinder is fixed on the cross arm of the main body support through a bolt, and the telescopic rod of the cylinder is fixed on the switch door through a pin bolt.

As a further improvement of the utility model, the weighing component comprises a weighing sensor, a weighing hopper and a switch gate; the weighing sensor is arranged on the main body frame; the weighing hopper is arranged below the bin body, and a weighing fulcrum of the weighing hopper is connected with the weighing sensor; the switch gate is arranged at the bottom of the weighing hopper and is connected with the weighing hopper through a telescopic cylinder.

As a further improvement of the utility model, the screening and measuring unit mainly comprises a particle size screening and measuring linear vibrating screen; the particle size screening determination linear vibrating screen comprises a cover plate, a body, a screen fixing plate, a vibrating motor and a screen, wherein the cover plate is fixed on the body through bolts, the vibrating motor is fixed on the body through bolts, and the screen is fixed on the body through the screen fixing plate in a tensioning manner.

As a further improvement of the present invention, the sample preparation unit comprises an industrial analysis sample splitter; the industrial analysis sample division machine comprises a feeding rectifying device, a division blanking chute, a driving motor, a rotary division cutting groove, a division sample reserving chute, a division sample discarding chute and an equipment bracket;

the division blanking chute is fixed on a feeding rectifying device, and the feeding rectifying device is arranged on an equipment bracket; the rotary dividing and cutting groove is fixed on the mounting base of the rotary shaft of the driving motor;

the division sample reserving chute is fixed on the division sample discarding chute through welding, and the division sample discarding chute is fixed on the equipment support through bolts.

As a further improvement of the utility model, the device also comprises a waste sample collecting and packaging unit which is used for collecting the waste sample generated by the sample preparation of the industrial analysis unit; the samples processed by the sieving determination unit are automatically collected.

The utility model discloses a full-automatic system appearance screening survey system of alloy ore deposit, operation control use computer and PLC as the core to develop automatic unpacking weighing device, replace traditional manual work to open the package mode, improved work efficiency. The sample preparation, screening and measurement process is controlled automatically, the system measurement data are automatically uploaded, the control center computer performs mathematical statistics according to the uploaded data, and the final analysis and detection data are printed and measured by particle size screening. The utility model discloses a system, each unit all is through PLC control, and system automation is high, and entire system will open the package, weigh, carry transport, screening, data statistics, breakage, contraction minute, collect etc. discrete task reasonable design integration become complete system appearance screening survey work flow system, the workman's that has significantly reduced work load, improved the accuracy of work efficiency and survey.

Drawings

FIG. 1 is a schematic view of the overall structure of the fully automatic sample preparation and screening system for alloy ore of the present invention;

FIG. 2 is a schematic structural diagram of an automatic unpacking and weighing device;

FIG. 3 is a schematic view of one of the states of the automatic unpacking and weighing device;

FIG. 4 is a front view of a particle size sieve measuring linear vibrating screen;

FIG. 5 is a top view of a particle size screen measuring linear vibrating screen;

FIG. 6 is a left side view of a particle size screen measuring linear vibrating screen;

FIG. 7 is a front view of the sample splitter;

fig. 8 is a right side view of the sample splitter.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The utility model discloses full-automatic system appearance screening survey system of alloy ore deposit, overall structure is as shown in figure 1, including the conveying unit that weighs that comes the appearance that connects gradually, screening survey unit, system appearance unit, abandon the appearance and collect the packing unit. The system electrical provides the power supply for each unit and device in the overall system. The PLC control unit controls the work of each unit and device and uploads the collected and measured data to the control computer.

The incoming sample weighing and conveying unit comprises an automatic unpacking and weighing device 101 and a sample lifting inclination angle belt conveyor 102.

The incoming sample weighing and conveying unit has the main functions of automatically unpacking, automatically weighing samples, lifting, transporting, uniformly feeding and the like for sampling, screening and measuring ton bags of samples for sampling inspection.

The automatic unpacking and weighing device 101 comprises a bin body 1011, an unpacking component 1012, a bulk sample weighing hopper 1013, a weighing hopper gate opening and closing cylinder 1014, a weighing hopper gate 1015, a weighing sensor 1016, a bin body opening and closing door 1017, a cylinder 1018, an equipment main body frame 1019 and the like. After the alloy package 100 lifted by the lifting device 110 runs to a set position, the bin body opening and closing door 1017 is automatically opened, and the opening and closing door 1017 is automatically closed after the alloy package 100 lifted by the lifting device 110 enters the bin body 1011. The lifting device 110 slowly falls, the cross-shaped knife below the lifting device cuts the alloy bag open, and the alloy material falls into the bulk sample weighing hopper 1013. The bulk sample material of the alloy ladle is weighed and metered in the bulk sample weighing hopper 1013, and the initial mass of the bulk sample is recorded and uploaded to the control computer through the weighing sensor 1016. After weighing is finished, the gate 1015 of the weighing hopper is opened, and the alloy materials sequentially fall onto the downstream sample lifting inclination angle belt conveyor 102.

As shown in the figure, storehouse body switch door 1017 is connected with equipment main body frame 1019 through the hinge, and the storehouse body 1011 curb plate is connected with main body frame 1019 through the bolt and encloses and close constitution airtight storehouse body 1011. The unpacking assembly 1012 is divided into two types: a hot melting bag opening component and a cutting knife bag opening component. The hot melting unpacking assembly comprises a hot melting rod and a hot melting rod mounting bracket; the hot melt stick passes through the stainless steel fixation clamp to be fixed on the hot melt stick support, and hot melt stick support welding is on equipment main part frame 1019. The scribing knife bag opening assembly comprises a cross scribing knife and a support, the cross scribing knife is fixed on the ten support through bolts, and the support is welded on the equipment main body frame 1019.

The weighing sensor 1016 is installed on a weighing support of the equipment main body frame 1019, the weighing fulcrum of the big sample weighing hopper 1013 is installed on the weighing sensor 1016, the base of the gate switch cylinder 1014 of the weighing hopper is installed on the frame of the big sample weighing hopper 1013 through a bolt, and the telescopic air rod end of the cylinder 1014 is connected with the gate 1015 of the weighing hopper through a bolt.

The base of the air cylinder 1018 for opening and closing the door in the bin body is fixed on a cross brace on the side surface of the bin body 1011 through bolts, and the telescopic air rod end of the air cylinder 1018 is fixed on the opening and closing door 1017 in the bin body through a pin bolt.

After the weighing hopper gate 1015 is opened, the sample lifting inclination angle belt conveyor 102 is started to operate, and materials in the large sample weighing bin are rectified and lifted at a constant speed to be conveyed to the sample preparation unit and the screening and measuring unit.

The alloy ladle hoisted into the automatic ladle opening weighing device slowly descends to the position above the large sample weighing hopper, the hot melting/cross ladle opening device arranged above the large sample weighing hopper is designed to automatically fuse or cut the bottom of the alloy ore ton ladle, and the alloy material in the ton ladle falls into a large sample collecting weighing bin. The alloy ore ton package after the travelling crane is emptied is lifted away to the position above the system sample discarding, packing and transporting trolley, and the damaged alloy ore ton package is taken away manually.

The sieving determination unit mainly includes a particle size sieving determination linear vibrating screen 104 and a particle size sample collection hopper scale 106.

The screening and measuring unit has the main functions of automatically screening the alloy ore sample, automatically collecting the screened sample, automatically weighing and metering and uploading the weighing data to the control computer, and each system has the following equipment functions:

(1) linear vibrating screen for particle size screening and determination

The alloy ore sample lifted and transported to the screening unit by the sample lifting inclination belt conveyor uniformly enters two grain size screening and measuring linear vibrating sieves 104 through sample chutes of a sampling machine 105, the two grain size screening and measuring linear vibrating sieves are in a single double-grain size linear sieve, and five samples with different grain sizes can be obtained by screening each time.

The particle size screening and measuring linear vibrating screen 104 comprises a screening machine cover plate 1041, a screening machine body 1042, a 1 vibrating spring 1043, a screening body support leg 1044, a screen fixing plate 1045, a vibrating motor 1046 and a screen 1047.

As shown in the figure, screening machine apron 1041 passes through the bolt fastening on screening machine body 1042, and vibrating spring 1043 is installed to four vibration projection fulcrums of screening machine body 1042, and vibrating spring 1043 is upper and lower end fluted, and the upper end recess is connected with four vibration projections of screening machine body 1042, and the lower extreme recess is connected with the projection of four screen frame landing legs 1044, and the screen frame landing leg passes through on the work platform of bolt fastening.

The two vibrating motors 1046 are fixed to the sieving machine body 1042 through bolts, the screen 1047 is fixed to the sieving machine body 1042 through a screen fixing plate 1045 in a tensioned manner, and the screen fixing plate 1045 is fixed to the screen 1047 in a tensioned manner through bolts.

The materials screened by the two particle size screening and measuring linear vibrating screens 104 respectively fall into the 5 particle size sample collecting hopper scales 106 below, after the screening machine stops screening, the PLC control unit carries out weighing and measuring on the samples in the 5 particle size sample collecting hopper scales 106, records the sample mass in each particle size sample collecting hopper scale 106 and uploads the sample mass to the control computer.

The sample preparation unit comprises an industrial analysis sample sampler 105, a crusher 109, a sample splitter 107 and a sample collector 108.

The sample preparation unit has the main functions of automatically crushing the alloy ore sample collected by the industrial analysis sample sampling machine, dividing the crushed sample, automatically collecting the sample, and conveying the sample from the sample dividing and discarding to the system sample discarding and collecting belt conveyor, and the equipment structure and the functions are as follows:

the alloy ore sample transported to the screening and measuring unit is lifted by the sample lifting inclination angle belt conveyor 102, and the sampling machine 105 takes an industrial analysis sample from the free falling material flow of the sample while the sample uniformly falls into the grain size screening and measuring linear vibrating screen 104. The sampling machine 105 samples 4KG each time, samples ten times per ton of bags, and samples 40KG of industrial analysis samples in total per ton of bags. A total of 40KG samples taken from the ten cuts were passed through a stainless steel chute into a crusher 109 for crushing.

The crusher 109 is a jaw crusher, the particle size of the crushed feeding is less than or equal to 100mm, and the crushed jaw is made of tungsten carbide. The tungsten carbide jaw crusher crushes 40kg samples to-10 mm granularity (the granularity of the crushed materials can be adjusted), and the crushed samples enter the sample splitter 107.

The sample division machine 107 comprises a feeding rectifying device 1071, a division blanking chute 1072, a rotary division driving motor 1073, a rotary division cutting groove 1074, a division sample reserving chute 1075, a division sample discarding chute 1076, an equipment bracket 1077 and the like.

The division blanking chute 1072 is fixed on the feeding rectifying device 1071 through bolts, and the feeding rectifying device 1071 is installed on the equipment support 1077 through bolts. The division driving motor 1073 is connected to the rotary division slit 1074 through a rotary shaft, and the rotary division slit 1074 is fixed to the rotary shaft mounting base by a bolt.

The division sample-reserving chute 1075 is fixed on the division sample-discarding chute 1076 by welding, and the division sample-discarding chute 1076 is fixed on the device bracket 1077 by bolts.

The sample division machine 107 is a horizontal rotation slot type division machine, samples crushed by the crusher 109 fall onto the feeding rectification device 1071, and are divided after being further fully mixed through rectification of the rectification device, so that the deviation caused by sample preparation division can be effectively reduced. The sample crushed to-10 mm particle size is cut and divided ten times by the industrial analysis sample divider, and 400g of industrial analysis sample with 10c =4000g of the total division is reserved and enters the industrial sample collector 108.

The sample collector 108 is in a six-station full-automatic rotating mode, and after the shrinkage and collection of each ton of industrial analysis samples are finished, the sample collector is automatically rotated to replace a sample barrel collecting station, and the sample collector is automatically sealed. The sample collector 108 can be selectively matched with the sampling and tank-changing function model of the administrator access card according to the requirement, and the sample barrel in the collector can be taken and changed by holding the access card or the password of the administrator.

The sample abandoning, collecting and packing unit mainly comprises a sample abandoning, collecting and packing transfer trolley and other system equipment.

The waste sample collecting and packaging unit is mainly used for collecting waste samples generated by sample preparation of the industrial analysis unit; the alloy ore samples after the screening measurement units are weighed and the granularity screening results are counted through the system control computer, are automatically collected, and the collected samples are uniformly packaged by a discarded sample collection belt conveyor, wherein the functions of all system devices are as follows:

the abandoned sample collection belt conveyor is of a fully-closed groove type structure, and dust can be effectively prevented from being generated in the working operation process. The waste sample generated by the division of the industrial analysis sample division machine falls onto a waste sample belt conveyor; after the granularity sample weighing hopper finishes weighing, the sample hopper gate mechanism is automatically opened, and the alloy ore sample falls onto the abandoned sample belt conveyor. And (4) the abandoned sample collection belt conveyor reloads all the collected abandoned samples into the alloy ore transportation ton bag.

Abandon a kind and collect packing transportation dolly and be track extending structure, normal station berths in abandoning the below that a kind was collected the belt feeder and is collected the chute. Before each sample discarding belt conveyor collects the sample discarding bags, empty alloy ore tons are hung on hooks at four corners of the transfer trolley manually, and the empty alloy ore tons are hung properly and are automatically packaged after the sample discarding is waited.

And after the system collects all the discarded samples subjected to sample preparation screening and determination to empty alloy ore ton bags above the discarded sample collection, bagging and transporting trolley, transporting the newly packaged alloy ore to an initial sampling inspection position by a travelling crane ready for being in place.

The system electricity provides power supply for devices and equipment of each unit of the whole system. The PLC control unit controls all devices and equipment in the whole system to work, so that the whole system is orderly operated.

The system electrical and PLC control unit equipment configuration and function are briefly described.

The performance indexes of an electric and PLC control unit of the full-automatic alloy ore sample preparation and screening measuring system follow the principles of advancement, safety, reliability and economy, and a universal and standard mainstream product in the current automation field is selected.

2. The product series has uniformity, and the components with the same function are produced by the same manufacturer and the same series, so that the uniformity of specification and model is ensured, and the interchangeability and consistency of the products are kept.

3. The intelligent equipment with network interface function, such as the drive unit, the frequency converter and the like, is connected with the PLC in a network form through special equipment, and all process data and control data are uploaded and downloaded in real time. The system has a unified clock whenever time recording and time labeling are required in the control program.

4. The frequency conversion device is of a full digital type and has a self-diagnosis function and a network interface. The speed regulation process is stepless speed regulation, and the variable frequency drive selects a matched variable frequency motor according to the requirement.

5. All application software systems, including selected software packaged by manufacturers and software developed by integrators, are all run on platforms of Microsoft operating systems and database systems. The secondarily developed software program is open to the user.

6. The system PLC has a self-diagnosis function and indicates and alarms internal and external faults in corresponding forms. All networks have a self-diagnosis function, and can visually indicate or judge that a certain node or channel has a fault.

7. All equipment, especially field devices such as junction boxes, sensors and the like can be conveniently and safely overhauled, maintained and replaced.

8. The protection of single electrical equipment is independent and system grading protection, the on-off states of all switches can be sent to the PLC through the auxiliary contacts and can be displayed on the monitoring computer.

System operation control mode

The operation control mode of the full-automatic alloy ore sample preparation screening and measuring system is divided into three types: firstly, the full-automatic working mode in a control room is realized; secondly, a centralized single machine working mode is used in a control room; and thirdly, the field single machine operation mode. And operation mode selection switches are arranged on the control room console and the field operation box.

1. Full-automatic working mode

The control mode selection switch of the operation table is arranged at an 'automatic' position, the machine side operation box selection switch is arranged at a 'remote control' position, and sample preparation parameters are set, flow selection and confirmation, flow starting and stopping, running state display and the like are carried out through a central control computer. The PLC automatically operates according to a sample preparation program.

2. Centralized single machine working mode

The control mode selection switch of the operation table is arranged at a centralized position, the machine side operation box selection switch is arranged at a remote control position, the start and stop of single equipment with linkage are carried out through a central control computer, and data acquisition and data processing are carried out through a control management system, so that the control and management of process equipment are completed.

3. On-site single machine operation mode

And the field operator operates a single device through a remote/local selection switch and a start-stop button in a machine side operation box of each device. The operation mode is used for debugging and maintaining equipment and emergency operation when an automatic control system fails.

Claims (9)

1. Full-automatic system appearance screening survey system of alloy ore deposit includes: the system comprises an incoming sample weighing and conveying unit, a screening and measuring unit, a sample preparation unit and a PLC control unit which are connected in sequence; the sample weighing and conveying unit is used for opening a sample bag, weighing the sample and conveying the weighed sample to the screening and measuring unit; the screening and measuring unit is used for automatically screening the alloy ore sample, automatically collecting the screened sample, automatically weighing and metering and uploading the weighing data to the PLC control unit; the sample preparation unit is used for automatically crushing the collected alloy ore sample, and dividing and collecting the crushed sample; the PLC control unit is used for controlling the work of each unit in the system; the method is characterized in that: the sample weighing and conveying unit comprises an automatic unpacking and weighing device.

2. The alloy ore full-automatic sampling, screening and measuring system according to claim 1, characterized in that: the automatic unpacking and weighing device comprises a bin body, a unpacking assembly, a main body frame and a weighing assembly, wherein a side plate of the bin body is fixed on the main body frame, and a switching door is arranged on the side surface of the bin body and is connected with the main body frame through a hinge; the unpacking component is arranged at the bottom of the bin body, and the weighing component is arranged below the unpacking component.

3. The alloy ore full-automatic sampling, screening and measuring system according to claim 2, characterized in that: the unpacking assembly comprises an unpacking component and a support, the unpacking component is fixed on the support, and the support is welded on the main body frame.

4. The full-automatic alloy ore sampling, screening and measuring system according to claim 3, characterized in that: the unpacking component is a heating melting or a cutting knife.

5. The alloy ore full-automatic sampling, screening and measuring system according to claim 2, characterized in that: the switch door is connected with a telescopic cylinder; the base of the telescopic cylinder is fixed on the cross arm of the main body support through a bolt, and the telescopic rod of the cylinder is fixed on the switch door through a pin bolt.

6. The alloy ore full-automatic sampling, screening and measuring system according to claim 2, characterized in that: the weighing component comprises a weighing sensor, a weighing hopper and a switch gate; the weighing sensor is arranged on the main body frame; the weighing hopper is arranged below the bin body, and a weighing fulcrum of the weighing hopper is connected with the weighing sensor; the switch gate is arranged at the bottom of the weighing hopper and is connected with the weighing hopper through a telescopic cylinder.

7. The alloy ore full-automatic sampling, screening and measuring system according to claim 1, characterized in that: the screening and measuring unit mainly comprises a particle size screening and measuring linear vibrating screen; the particle size screening determination linear vibrating screen comprises a cover plate, a body, a screen fixing plate, a vibrating motor and a screen, wherein the cover plate is fixed on the body through bolts, the vibrating motor is fixed on the body through bolts, and the screen is fixed on the body through the screen fixing plate in a tensioning manner.

8. The alloy ore full-automatic sampling, screening and measuring system according to claim 1, characterized in that: the sample preparation unit comprises an industrial analysis sample splitter; the industrial analysis sample division machine comprises a feeding rectifying device, a division blanking chute, a driving motor, a rotary division cutting groove, a division sample reserving chute, a division sample discarding chute and an equipment bracket;

the division blanking chute is fixed on a feeding rectifying device, and the feeding rectifying device is arranged on an equipment bracket; the rotary dividing and cutting groove is fixed on the mounting base of the rotary shaft of the driving motor;

the division sample reserving chute is fixed on the division sample discarding chute through welding, and the division sample discarding chute is fixed on the equipment support through bolts.

9. The system for screening and determining the fully automatic sample preparation of the alloy ore according to claim 8, further comprising a waste sample collection and packaging unit for collecting waste samples generated by sample preparation of the industrial analysis unit; the samples processed by the sieving determination unit are automatically collected.

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