CN213059022U

CN213059022U - Vibration feeding conveying system capable of automatically adjusting and detecting feeding amount

Info

Publication number: CN213059022U
Application number: CN202021372152.1U
Authority: CN
Inventors: 郭建军; 史来臣; 文天亮; 郭廷珂; 吴振卿
Original assignee: Henan Huiqiang Machinery Equipment Co ltd
Current assignee: Henan Huiqiang Machinery Equipment Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-27
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to an automatic adjustment detects vibration feed conveying system of feed volume belongs to the material and carries equipment technical field. The utility model discloses install displacement sensor test block on the gyration drive hydro-cylinder piston, belt conveyor installs in feed cell body lower part, the ware of weighing is installed on belt conveyor, ware of weighing and displacement sensor and gyration drive hydro-cylinder switching-over valve are connected with the electrical apparatus controlling means wire, be provided with displacement sensor signal processing module in electrical apparatus controlling means, ware of weighing signal processing module and gyration drive hydro-cylinder drive feedback signal processing module, be provided with on belt conveyor and weigh the ware apart from the distance that vibrating feeder is greater than the distance second of first ware of weighing apart from the feeder. The utility model discloses a measurement to feed cell body inclination and feed volume is handled and is adopted the automatic adjustment of rotary drive hydro-cylinder drive realization batcher feed volume, has realized that the full automatic operation of material transport has very obvious advantage.

Description

Vibration feeding conveying system capable of automatically adjusting and detecting feeding amount

Technical Field

The utility model relates to an automatic adjustment detects vibration feed conveying system of feed volume belongs to the material and carries equipment technical field.

Background

With the increase of labor cost, the requirement of reducing personnel and increasing efficiency becomes very urgent, and the requirement of automatic control technology in industrial production is higher and higher. In industries such as coal, metallurgy, building materials, mines and the like, a large amount of vibrating feeders are used for conveying and feeding materials, the feeding amount of the existing vibrating feeders is generally adjusted by adjusting the inclination angle, the exciting force, the exciting frequency of an exciting motor, the size of a discharge hole and the like of a feeder groove body, and in the using process, an operator is required to operate on site, so that how to reduce or even cancel the site operator is a major problem facing a vibrating feeding system at present. The feeding amount is adjusted by adjusting the inclination angle of the feeding groove body of the feeding machine in the using process of the vibrating feeder, and the feeding device has the advantages of being relatively convenient to adjust, wide in adjusting range, high in efficiency and the like, and is used most in practice. However, the adjustment of the inclination angle of the feeding system of the existing vibrating feeder is generally carried out in the manual field, and cannot be remotely controlled, and meanwhile, no corresponding monitoring means is provided for the feeding amount, so that field operators must be reserved to meet the requirement of real-time watching and controlling the feeding amount and the working state of the vibrating feeder, obviously, the adjustment is not in accordance with the requirement of reducing personnel and increasing efficiency in the industries of coal, metallurgy and mines at present, and therefore, a new technical scheme is urgently needed to be designed to solve the problem of the adjustment of the angle of the groove body of the vibrating feeder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic adjustment detects vibratory feed conveying system of feed volume, it can solve the cell body inclination adjustment problem that aforementioned vibrating feeder exists effectively.

The purpose of the utility model is realized like this: a vibration feeding conveying system capable of automatically adjusting and detecting feeding amount comprises a feeding groove body, a vibration exciting motor, a seat type damping spring, a hanging vibration isolation spring, a hanging pulley, a connecting chute, a belt conveyor, a weighing device, an electric appliance control device and a rotary driving oil cylinder, wherein the upper part of the connecting chute is arranged at the lower part of a storage bin, the lower part of the connecting chute is inserted into the feeding groove body, the vibration exciting motor is arranged at the bottom of the feeding groove body, the rear part of the feeding groove body is hinged on the seat type damping spring, the seat type damping spring is arranged on a spring base, the front end of the feeding groove body is arranged at the lower part of the hanging vibration isolation spring, the upper part of the hanging vibration isolation spring is connected with a connecting rope, the connecting rope bypasses the hanging pulley to be connected with the rotary driving oil cylinder, a displacement sensor testing block is arranged on, the weighing device is arranged on the belt conveyor, the weighing device, the displacement sensor and the reversing valve of the rotary driving oil cylinder are connected with an electric appliance control device through leads, and a displacement sensor signal processing module, a weighing device signal processing module and a rotary driving oil cylinder driving feedback signal processing module are arranged in the electric appliance control device.

And a second weighing device is arranged on the belt conveyor, and the distance from the second weighing device to the vibrating feeder is greater than the distance from the first weighing device to the feeder.

And a hydraulic lock is arranged on a connecting oil path of the rotary driving oil cylinder.

And a feeding adjusting device is arranged at the end part of the feeding trough body.

The feeding adjusting device comprises an adjusting oil cylinder and an adjusting plate, wherein one end of the adjusting plate is hinged to the rack, and the middle of the adjusting plate is hinged to a piston rod of the adjusting oil cylinder.

The feeding trough body is generally arranged on the equipment foundation through a spring and is used for damping the vibration of the equipment to prevent the vibration from damaging the feeding machine and the equipment foundation. The utility model discloses a feed cell body rear portion articulates on seat formula damping spring, seat formula damping spring installs on the spring holder, feed cell body front end is hung and is hanging the vibration isolation spring lower part, hang vibration isolation spring upper portion and be connected the rope and be connected, it walks around hanging the pulley and is connected with the rotary driving hydro-cylinder to connect the rope, the drive action through the rotary driving hydro-cylinder can drive feed cell body front end like this and reciprocate, the articulated center of duplex winding back spring holder rotates to realize the adjustment at feed cell body inclination, simple structure is easy. In addition, the lifting angle is adjusted by adopting the lead screw, and the height of the lead screw is changed by only one pitch of the screw after the lead screw rotates for one circle, so that the adjustment precision can be greatly improved, and the inclination angle of the groove body can be accurately adjusted conveniently. Because the lead screw has the self-locking function, the lead screw can maintain the adjustment position of the lead screw, namely the stability of the inclination angle of the feeding trough body after the inclination angle of the feeding trough body is adjusted by the lead screw by utilizing the function of the lead screw, thereby ensuring the stability of the feeding amount and the working state of the vibrating feeder. When the feeding tank body rotates around the hinged point to adjust the inclination angle, the front position and the rear position of the front end of the feeding tank body need to be changed, the hanging vibration isolation spring is connected with the rotary driving oil cylinder by adopting the connecting rope which bypasses the hanging pulley, so that the rotary driving oil cylinder connected with the connecting rope can be ensured to keep one direction in the running direction, and the problem that the normal running of the rotary driving oil cylinder is damaged due to the fact that the inclined pulling force is generated on the rotary driving oil cylinder after the front position and the rear position of the feeding tank body are changed is solved.

Because the belt conveyor has the advantages of simple structure, low power consumption, large conveying capacity, convenient adjustment and the like, the belt conveyor is arranged at the lower part of the vibrating feeder, the belt conveyor is adopted to convey the materials given by the vibrating feeder to a specified position, and the weighing device is arranged on the belt conveyor, so that the feeding capacity of the vibrating feeder can be monitored and measured in real time, and conditions are created for automatic control of the feeding capacity of the vibrating feeder. The weighing signal obtained by the weighing device is transmitted to an electric automatic control system through a lead. The method comprises the steps that a weigher signal processing module is arranged in an electric automatic control system and processes signals measured by a weigher, the signals are transmitted to a rotary driving oil cylinder driving feedback signal processing module according to a processing result, the rotary driving oil cylinder is controlled to act, the angle of a feeding groove body is adjusted according to a preset value, so that the feeding amount of a vibrating feeder is adjusted, after the inclination angle of the feeding groove body is adjusted, a position of the adjusted feeding groove body is measured by a displacement sensor and is converted into the inclination angle of the feeding groove body to be displayed, the measured value is transmitted to a displacement sensor signal receiving module to be processed, the measured value is compared with the set adjusting value, if the set angle is reached, the normal display of the angle value is carried out, if the set adjusting value is not reached, the system gives an alarm, and maintenance is detected by. Therefore, the related signal receiving module is arranged in the feeding system, and necessary conditions are created for unmanned automatic control of the vibration type feeding machine.

Due to the automatic control of the feeding machine, the accuracy of the measurement data is of great importance, in particular the measurement and control of the feeding quantity. Therefore, two sets of weighing devices are arranged on the belt conveyor, the installation distance of the two sets of weighing devices ensures that the measured values of the two sets of weighing devices have no mutual influence basically, so that when the weighing devices work, the accuracy of the measured values can be determined by processing and comparing two sets of signals transmitted to a signal processing module of the weighing devices, if the difference value of the measured data of the two sets of signals is within a certain range, the weighing devices work reliably, the measured values of the two sets of weighing devices are displayed and work normally after being summed and averaged, and if the difference value of the measured feeding amounts of the two sets of weighing devices exceeds a certain value, a system alarms, and related equipment and systems need to be checked and maintained. Therefore, the reliable work of the whole automatic vibration feeding system is effectively ensured by adopting two sets of weighing device measuring devices on the belt conveyor, and the automatic vibration feeding system has important significance for preventing accidents of the system.

As mentioned above, the installation angle of the feeding trough has a significant influence on the feeding amount of the feeding machine, and in order to realize the automatic control of the vibratory feeding system, the inclination angle of the trough of the vibratory feeding machine must be measured and controlled. Therefore, a displacement sensor testing block is arranged on a piston of the rotary driving oil cylinder, the stroke position of the piston rod is measured, the measured value is transmitted to a displacement sensor signal receiving and processing module of the electric automatic control system, and the displacement sensor signal receiving module performs operation processing and then displays the result in an angle mode, so that an operator or system equipment can conveniently monitor the feeding system.

In the working process of the vibrating feeder, if hydraulic oil leakage occurs in the rotary driving oil cylinder, normal feeding work can be seriously influenced, and therefore, a hydraulic lock is arranged on a connecting oil path of the rotary driving oil cylinder and can eliminate the hydraulic oil leakage problem of parts such as an oil path and an electromagnetic directional valve, and the like, so that the normal work of the rotary driving oil cylinder is ensured.

The feeding adjusting device is arranged at the end part of the feeding trough body, so that a selection item is added for adjusting the feeding amount of the vibration feeding amount, the adjusting means of the feeding amount of the feeding machine is enriched, and the feeding trough body has great significance for improving the automatic control of the feeding system.

The hydraulic drive has the advantages of stable transmission, remote easy control and the like, and the stable operation and automatic control of the feeding adjusting device can be ensured by adjusting the oil cylinder for driving. The adjusting plate is connected with the frame and the adjusting oil cylinder by adopting a hinge structure, the operation is flexible and reliable, and the normal work of the adjusting plate is ensured.

Drawings

The accompanying drawings show the structure of the embodiment of the present invention, in which fig. 1 is a front view of the embodiment, and fig. 2 is a left side view of fig. 1.

Detailed Description

In the embodiment shown in the drawings, the part numbers have the following meanings: 1. A base; 2. a hinged spring seat; 3. An excitation motor; 4. A hinge spring; 5. a hinged frame; 6. a feed trough body; 7. A frame; 8. connecting a chute; 9. hanging a vibration isolation spring; 10. connecting ropes; 11. Hanging pulley shafts; 12. hanging a pulley yoke; 14. A weighing device I; 15. hanging a pulley; 17. An adjusting plate; 18. adjusting the oil cylinder; 20. Hinging a shaft; 21. a storage bin; 43. A belt conveyor; 44. a wire; 45. a weigher signal processing module; 46. a displacement sensor signal processing module; 47. the rotary driving oil cylinder drives the feedback signal processing module; 48. an electric appliance control general module; 49. an electric automatic control system; 50. a rotary driving oil cylinder; 51. a test block; 52. an electromagnetic directional valve; 53. a displacement sensor; 54. and a weigher II.

In the embodiment shown in fig. 1 and 2, the feeding trough body 6 with the exciting motor 3 mounted at the bottom is mounted at the lower part of the connecting chute 8 which is mounted below the discharge port of the storage bin 21, one end of the feeding trough body is hinged on the hinged spring 4 through the hinged frame 5 and the hinged shaft 20, and the hinged spring is mounted on the hinged spring seat 2. The discharge end of the feeding groove body is connected with a piston rod head of the rotary driving oil cylinder 50 through a hanging vibration isolation spring 9 and a connecting rope 10, and the connecting rope is wound in a groove of the hanging pulley 15. The hanging pulley is hung on the lower part of a frame 7 through a hanging pulley frame 12 and a hanging pulley shaft 11, and the frame is arranged on the base 1. An adjusting plate 17 is arranged at the discharge end of the feeding trough body and is driven to open and close by an adjusting oil cylinder 18 hinged with the middle part of the adjusting plate. The rotary driving oil cylinder is arranged on the base, and a hydraulic lock is arranged on an oil path of the rotary driving oil cylinder.

The belt conveyor is provided with a weighing device I14 and a weighing device II 54, the weighing precision of the weighing device is not influenced by the impact of materials in the vibrating feeder due to the position of the weighing device I, and the distance between the weighing device II and the weighing device I is about 10 meters, so that the weighing between the weighing device I and the weighing device II is not influenced.

A displacement sensor signal processing module 47, a weigher signal processing module 45, a rotary driving oil cylinder driving feedback signal processing module 46 and an electrical appliance control general-purpose module 48 are arranged in the electric automatic control system 49, and the systems and the elements are interconnected by adopting a lead 44.

When the vibrating feeder feeds, firstly, an operator starts the electric automatic control system to work, the belt conveyor is started, the adjusting plate drives the adjusting plate to open by the adjusting plate rotation driving oil cylinder, the shock excitation motor is started, the feeding groove body vibrates, and then materials in the storage bin are fed out of the vibrating feeder through the connecting chute and the feeding groove body, so that feeding operation is realized. In the feeding process, the position of a piston rod of the rotary driving oil cylinder is measured by a testing block of the displacement sensor, a measured signal is processed by a displacement sensor signal processing module and is displayed after the measured signal is converted into a working angle of a feeding tank body. And the weighing device I and the weighing device II measure the weight of the material on the belt conveyor, namely the feeding amount of the vibrating feeder, and if the feeding amount is within a normal range and the difference value of the measured numerical values of the two weighing devices is smaller than a set value, the whole system works normally.

If the feeding amount is required to be adjusted, the rotary driving oil cylinder is manually controlled to pull the feeding trough body to rotate around the hinged center according to the amount required to be adjusted on the spot or remotely, so that the inclination angle of the feeding trough body is changed, and the feeding amount of the vibrating feeder is adjusted. In the working process of the vibrating feeder, the weighing device detects that a feeding amount signal is sent to the weighing device signal processing module for processing, the processed signal is compared with a set signal, when the feeding amount exceeds a specified value, the weighing device signal processing module sends a signal to the rotary driving oil cylinder driving feedback signal processing module and the electric appliance general control system through a lead to drive the electromagnetic reversing valve to act, so that the piston rod of the rotary driving oil cylinder extends out or retracts, the inclination angle of the feeding groove body is adjusted, and the feeding amount of the vibrating feeder is adjusted accordingly. Meanwhile, the testing block of the displacement sensor measures the displacement of the adjusted feeding trough body, compares the measured value with the previous measured value, and determines whether the angle adjustment of the feeding trough body is effective and in place, if the angle is not adjusted according to a preset value, the system gives an alarm, relevant maintenance personnel carry out detection and maintenance, if the angle is adjusted according to the preset value, the weighing device continues to measure the feeding amount, if the measured value shows that the feeding amount is recovered to a normal value, the whole feeding system continues to normally work, and if the measuring result does not reach the normal value, the operation is repeated until the feeding amount meets the requirement. Obviously through using the utility model relates to a scheme can realize the online and long-range automatic control of vibrating feeder very reliably, has very important meaning to realizing that the material is carried the automation. The utility model discloses an implement, reach the purpose that subtracts the personnel and increase efficiency and improve belt conveyor production line production efficiency completely.

Claims

1. The utility model provides an automatic adjustment detects vibration feed conveying system of feed volume, contains feed cell body, excitation motor, seat formula damping spring, hangs vibration isolation spring, hangs the pulley, connects chute, belt conveyor, ware of weighing, electrical apparatus controlling means, rotary drive hydro-cylinder, connect chute upper portion and install in the storage silo lower part, the lower part cartridge is in the feed cell body, excitation motor installs the bottom of feed cell body, its characterized in that: the rear part of the feeding tank body is hinged to the seat type damping spring, the seat type damping spring is installed on the spring base, the front end of the feeding tank body is hung on the lower part of the hanging vibration isolation spring, the upper part of the hanging vibration isolation spring is connected with a connecting rope, the connecting rope bypasses the hanging pulley to be connected with the rotary driving oil cylinder, a displacement sensor testing block is installed on a piston of the rotary driving oil cylinder, the belt conveyor is installed on the lower part of the feeding tank body, the weighing device is installed on the belt conveyor, the weighing device, the displacement sensor and a reversing valve of the rotary driving oil cylinder are connected with a wire of an electric control device, and a displacement sensor signal processing module, a weighing device signal processing module and a rotary driving oil cylinder driving feedback signal processing module are arranged in the electric control device.

2. A vibratory feed delivery system for automatically adjusting sensed feed volume as in claim 1 wherein: and a second weighing device is arranged on the belt conveyor, and the distance from the second weighing device to the vibrating feeder is greater than the distance from the first weighing device to the feeding machine.

3. A vibratory feed delivery system for automatically adjusting sensed feed volume as in claim 2 wherein: and a hydraulic lock is arranged on a connecting oil path of the rotary driving oil cylinder.

4. A vibratory feed delivery system for automatically adjusting sensed feed volume as in claim 3 wherein: and a feeding adjusting device is arranged at the end part of the feeding trough body.

5. The system of claim 4, wherein the vibratory feed delivery system is configured to automatically adjust the feed rate of the test feed, and further comprising: the feeding adjusting device comprises an adjusting oil cylinder and an adjusting plate, wherein one end of the adjusting plate is hinged to the rack, and the middle of the adjusting plate is hinged to a piston rod of the adjusting oil cylinder.