CN114888937B

CN114888937B - Mud brick cutting control system and method

Info

Publication number: CN114888937B
Application number: CN202210469499.5A
Authority: CN
Inventors: 袁宗坤
Original assignee: Chongqing Andu Ceramics Co ltd
Current assignee: Chongqing Andu Ceramics Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2023-09-29
Anticipated expiration: 2042-04-28
Also published as: CN114888937A

Abstract

The application discloses a mud brick cutting control system and a mud brick cutting control method in the field of cutting equipment, wherein the mud brick cutting control system comprises a discharging unit, a detecting unit, a cutting unit and a feeding unit; the discharging unit further comprises a discharging box, a second motor, a motor driver and a PLC (programmable logic controller), wherein the discharging box is connected with the output end of the second motor, the second motor is connected with the output end of the motor driver, the PLC is in signal connection with the motor driver, a feeding hole is formed in one end of the discharging box, a spray pipe is arranged on the outer surface of the discharging box, an electromagnetic valve is arranged on the spray pipe, an atomizing nozzle is arranged at the end part of the spray pipe, and the electromagnetic valve is in signal connection with the PLC through a signal wire; the detection unit further comprises a pressure sensitive element, a supporting shaft, a sliding block, rollers, an analog-to-digital converter and a Hall sensor, wherein a bracket is fixedly arranged on the outer surface of the Hall sensor, the bracket is fixedly connected with the supporting shaft, and a dovetail groove in the vertical direction is formed in the outer surface of the discharge box.

Description

Mud brick cutting control system and method

Technical Field

The application relates to the field of cutting equipment, in particular to a mud brick cutting control system and a mud brick cutting control method.

Background

When the ceramic products are produced in large quantities in the current industrialization, the demand of ceramic pugs is large, and full-automatic ceramic product production equipment is not provided at present. Ceramic pugs, also known as billets and bricks. The pug for producing refractory products is a mixture obtained by mixing particles or powder of various raw materials according to a certain proportion, adding water or other binding agents into a mixing machine, and grinding and stirring the ceramic pug in the production process of ceramics to obtain fine pug.

At present, fine pugs obtained after stirring are extruded from a mixer, then manually cut into pug bricks, and the pug bricks are transported to a ceramic product forming area through a manual plate trailer for further processing. The main purpose of cutting into the mud bricks is to facilitate storage and transportation. However, the manual cutting mode is low in efficiency, consistency of quality is difficult to ensure (metering and feeding are inconvenient in a ceramic product forming area), and aiming at the technical problems of low ceramic tile transportation efficiency and low tile cutting efficiency, the application provides a new scheme for solving the problems.

Disclosure of Invention

The application provides a mud brick cutting control system and a mud brick cutting control method for solving the problem of low mud brick cutting efficiency.

In order to solve the technical problems, the application provides the following technical scheme: a mud brick cutting control system comprises a discharging unit, a detecting unit, a cutting unit and a feeding unit;

the discharging unit further comprises a discharging box, a second motor, a motor driver and a PLC (programmable logic controller), wherein the discharging box is connected with the output end of the second motor, the second motor is connected with the output end of the motor driver, the PLC is in signal connection with the motor driver, a feeding hole is formed in one end of the discharging box, a spray pipe is arranged on the outer surface of the discharging box, an electromagnetic valve is arranged on the spray pipe, an atomizing nozzle is arranged at the end part of the spray pipe, and the electromagnetic valve is in signal connection with the PLC through a signal wire;

the detection unit further comprises a pressure sensitive element, a supporting shaft, a sliding block, a roller, an analog-to-digital converter and a Hall sensor, wherein a bracket is fixedly arranged on the outer surface of the Hall sensor, the bracket is fixedly connected with the supporting shaft, a dovetail groove in the vertical direction is formed in the outer surface of the discharging box, the sliding block is in sliding connection with the dovetail groove, one end of the supporting shaft is fixedly connected with the sliding block, the other end of the supporting shaft is rotationally connected with the roller, a magnet which triggers the Hall sensor to count when the roller rotates is embedded on the roller, the Hall sensor is used for detecting the number of turns of the roller, a plurality of strip-shaped pressure sensitive elements which are uniformly distributed are arranged in the dovetail groove, one end of the analog-to-digital converter is in signal connection with the PLC, and the other end of the analog-to-digital converter is respectively in signal connection with the Hall sensor and the pressure sensitive element;

the cutting unit further comprises a cutting steel wire, a transmission shaft and a frame, wherein the frame is fixedly arranged on one side of the discharging box, the transmission shaft is rotationally connected with the frame, two ends of the cutting steel wire are fixedly connected with the transmission shaft, a signal transmission line is arranged on one side of the frame, and the signal transmission line is in signal connection with the PLC;

the feeding unit comprises a discharging channel, a conveying belt, a driving belt, a first motor, a baffle and fastening bolts, wherein the discharging channel is in a groove shape, one end of the discharging channel is fixedly connected with the discharging box, the other end of the discharging channel is fixedly connected with the baffle, the baffle is fixedly arranged on two sides of the conveying belt, the conveying belt is connected with the baffle through the fastening bolts, a driving roller is arranged on one side of the conveying belt, the driving roller is rotationally connected with the driving belt, a driven roller is arranged on one side of the driving belt, the driving belt is rotationally connected with the first motor through the driven roller, and the first motor is in signal connection with the PLC.

The principle of the scheme is as follows: when the equipment runs, the first motor and the second motor are started simultaneously, the first motor drives the conveyor belt to run, the second motor drives the discharge box to work, the die arranged in the discharge box extrudes ceramic clay into a clay brick shape, then the clay bricks start to discharge from the discharge channel, the discharge box and the conveyor belt drive the clay bricks to move forwards, meanwhile, the clay bricks are in friction contact with the rollers and drive the rollers to rotate, the number of turns of the rollers are transmitted to the Hall sensor, the analog-to-digital converter is in signal connection with the PLC and the Hall sensor, the surface area of the rollers can be obtained through measurement and calculation, the number of turns of the rollers is multiplied by the surface area of the rollers to obtain the clay brick length, the clay brick length is multiplied by the clay brick section area to be equal to the clay brick volume, the clay brick section area is equal to the section area of the discharge channel, and the clay brick quality can be obtained through measurement and calculation; the cutting unit is in signal connection with the PLC through a signal transmission line, a worker can set that when the quality of the mud bricks reaches a preset value, the cutting steel wire executes cutting action, the second motor drives the transmission shaft, the transmission shaft drives the cutting steel wire to execute cutting work, and the cut mud bricks are conveyed to a mud brick treatment workshop through the conveyor belt; the outer surface of the discharging box is provided with a dovetail groove, the sliding block is in sliding connection with the dovetail groove, one end of the supporting shaft is fixedly connected with the sliding block, the other end of the supporting shaft is in rotating connection with the roller, the Hall sensor is used for detecting the number of turns of the roller, a plurality of strip-shaped pressure sensitive elements which are uniformly distributed are arranged in the dovetail groove, one end of the analog-to-digital converter is in signal connection with the PLC, and the other end of the analog-to-digital converter is in signal connection with the Hall sensor and the pressure sensitive elements respectively; through setting up the PLC controller, when the water content of mud brick is higher, the mud brick is whole softer when comparing normal water content, and a part of gyro wheel falls into mud brick, rolls and drives the slider and slide downwards, and the slider triggers the pressure sensitive element of dovetail below, and pressure sensitive element returns the PLC controller with the signal, and the PLC controller controls cutting unit and carries out cutting work, cuts off the mud brick that the water content is high alone, and the staff can increase the time of storing and naturally airing this part of mud brick; when the water content of the mud bricks is lower than the normal water content, the whole mud bricks are harder, the rollers drive the sliding blocks to slide upwards, the sliding blocks trigger the pressure sensitive elements above, the pressure sensitive elements transmit the pressure values back to the PLC, the PLC is arranged to control the water sprayer to spray water for humidification, then cutting operation is carried out, and the mud bricks with low water content and the mud bricks with high water content can be mixed for reworking operation.

The beneficial effect of this scheme: the system has the advantages that the PLC control system is adopted: the reliability is high, the anti-interference capability is strong, the matching is complete, the functions are perfect, and the applicability is strong; the wiring outside the control equipment is greatly reduced, the design and construction period of the control system is greatly shortened, and meanwhile, the maintenance is easy, so that the labor cost and the equipment cost are saved, and the production efficiency is improved; meanwhile, the quality of the mud bricks reaches a preset value, the mud bricks with different qualities can be cut to meet the requirements of manufacturing different ceramic products, moreover, the mud bricks with low water content are subjected to water spraying and humidification through a water sprayer and then are cut off independently, the mud bricks with high water content are also cut off independently, and the time of storage and natural airing is increased; the mud bricks with low water content and the mud bricks with high water content can be mixed, and the overall quality of the mud bricks can be unified by reworking operation.

Furthermore, the frame adopts a mode of parallel arrangement and combination of a plurality of steel frames.

The beneficial effects are that: the steel frame has high material strength and light weight, and the device structure has higher reliability by adopting a parallel arrangement and combination mode.

Further, a certain gap is arranged between the discharging channel and the conveyor belt.

The beneficial effects are that: a certain gap is arranged between the discharging channel and the conveyor belt, so that the contact between the supporting part below the discharging channel and the conveyor belt is avoided, and the abrasion deformation of the conveyor belt is avoided.

Further, a blowing device for blowing air against the roller is arranged on the supporting shaft.

The beneficial effects are that: the air blowing device is arranged to blow air to the roller to remove residual mud on the surface of the roller and keep the roller in a dry state, so that self-cleaning is realized and the service life of the roller can be prolonged.

The proposal also provides a mud brick cutting method, which comprises the following steps:

s1, setting the quality of the mud bricks as a preset value;

s2, starting equipment, wherein a first motor drives a conveyor belt to operate, a second motor drives a discharge box to operate, a die arranged in the discharge box extrudes ceramic pugs into mud brick shapes, and the ceramic pugs are discharged from a discharge channel;

s3, the mud bricks are in friction contact with the rollers and drive the rollers to rotate, the number of turns of the rollers which rotate is transmitted to the Hall sensor, the analog-to-digital converter is in signal connection with the PLC and the Hall sensor, the surface area of the rollers can be obtained through measurement and calculation, the number of turns of the rollers which rotate is multiplied by the surface area of the rollers to obtain the length of the mud bricks, the length of the mud bricks is multiplied by the sectional area of the mud bricks to be equal to the volume of the mud bricks, the sectional area of the mud bricks is equal to the sectional area of a discharging channel, the sectional area of the mud bricks can be obtained through measurement and calculation, and finally the quality of the mud bricks can be obtained; when the quality of the mud bricks reaches a preset value, the PLC controller controls the cutting unit to execute cutting operation;

s4, conveying the cut mud bricks to a storage place through a conveyor belt;

s5, when the water content of the mud bricks is higher, compared with the mud bricks with normal water content, the mud bricks are softer as a whole, a part of the rollers sink into the mud bricks, the rollers roll to drive the sliding blocks to slide downwards, the sliding blocks trigger the pressure sensitive elements below the dovetail grooves, the pressure sensitive elements transmit signals back to the PLC, and the PLC controls the cutting unit to perform cutting work to cut the mud bricks with high water content independently;

s6, when the water content of the mud bricks is lower and is compared with the normal water content, the whole mud bricks are harder, the rollers drive the sliding blocks to slide upwards, the sliding blocks trigger the pressure sensitive elements above, the pressure sensitive elements return the pressure values to the PLC, the PLC is arranged to control the water sprayer to spray water for humidification, then cutting operation is carried out, and the mud bricks with low water content and the mud bricks with high water content can be mixed and reworked.

Further, the preset value of the mud quality in step S1 may be set in the PLC controller in advance. The preset value can be changed according to the production requirement, an operator can flexibly write a program, and the actual operation process is more convenient and better understood.

Drawings

FIG. 1 is a schematic diagram of a system and method for controlling cutting of a tile according to an embodiment of the present application;

FIG. 2 is a front view of a first embodiment of a mud brick cut control system and method of the present application;

FIG. 3 is a front view of a cutting unit of a first embodiment of a mud brick cut-off control system and method of the present application;

fig. 4 is an enlarged view of a portion of a first embodiment of a mud brick cutting control system and method according to the present application at a position a in fig. 2.

Detailed Description

The following is a further detailed description of the embodiments:

the labels in the drawings of this specification include: the device comprises a roller 20, a supporting shaft 21, a blowing device 24, a cutting steel wire 30, a transmission shaft 31, a reinforcing rib 32, a frame 33, a transmission belt 40, a first motor 41, a baffle plate 42, a fastening bolt 43, a transmission belt 44, a discharging box 45, a discharging channel 46, a second motor 47, a PLC (programmable logic controller) 48, a motor driver 49, a power line 50, an encoder signal line 51, a pressure sensitive element 60 and a sliding block 61.

Example 1

Examples: the device can be divided into four units, namely a discharging unit, a detecting unit, a cutting unit and a feeding unit,

the discharging unit further comprises a discharging box 45, a second motor 47, a motor driver and a PLC (programmable logic controller) 48, wherein the discharging box 45 is connected with the output end of the second motor 47, the second motor 47 is connected with the output end of the motor driver 49 through a power line 50 and an encoder signal line 51, the PLC 48 is in signal connection with the motor driver 49, one end of the discharging box 45 is provided with a feeding port, the outer surface of the discharging box 45 is provided with a spray pipe, the spray pipe is provided with an electromagnetic valve, the end part of the spray pipe is provided with an atomizing nozzle, and the electromagnetic valve is in signal connection with the PLC 48 through a signal line; the second motor 47 adopts an ac servo motor, which can make the control speed and position accuracy very accurate, and the ac servo motor has a large power range, can achieve very large power, has a low maximum rotation speed, and has an increased and fast reduced power, thus being suitable for low-speed and stable operation; the motor driver 49 adopts an LCDB2042002-LB622 servo driver, the capacity of an industrial intelligent power module IPM of the LCDB2 servo driver is higher than that of similar servo products with the same power calibrated in general, the overload capacity, the load disturbance resistance capacity and the starting moment are higher, meanwhile, the overload capacity which is 2.5 times lower than 1.5KW can be generally achieved, and the overload capacity which is 2 times higher than 2KW can be achieved; the PLC controller 48 adopts a Siemens 200SMART PLC module, the module has the advantages of simplicity, high performance and high integration, and can expand 6 expansion modules and a signal board, thereby being applicable to the application of more I/O port points and more load of logic control.

The detection unit further comprises a pressure sensitive element 60, a support shaft 21, a sliding block 61, a roller 20, an analog-to-digital converter and a Hall sensor, wherein a bracket is welded on the outer surface of the Hall sensor, the bracket is welded with the support shaft 21, a dovetail groove in the vertical direction is welded on the outer surface of the discharging box, the sliding block 61 is in sliding connection with the dovetail groove, one end of the support shaft 21 is welded with the sliding block, the other end of the support shaft is in rotating connection with the roller 20 through a rotating shaft, a magnet which triggers the Hall sensor to count when the roller 20 rotates is embedded on the roller 20, the Hall sensor is used for detecting the number of turns of the roller, a plurality of strip-shaped pressure sensitive elements 60 which are uniformly distributed are arranged in the dovetail groove, one end of the analog-to-digital converter is in signal connection with the PLC 48, and the other end of the analog-to-digital converter is in signal connection with the Hall sensor and the pressure sensitive element 60 respectively; the supporting shaft 21 is provided with a blowing device 24, a storage battery is arranged in the blowing device 24 to drive the blowing device to work, the blowing device 24 is in signal connection with an input module of the PLC 48, and the blowing device 24 blows air against the roller 20 to remove mud materials remained on the surface of the roller and keep the roller in a dry state, so that self-cleaning is realized, and the service life of the roller can be prolonged.

The cutting unit further comprises a cutting steel wire 30, a transmission shaft 31 and a rack 33, wherein the rack 33 is fixedly arranged on one side of the discharging box, the transmission shaft 31 is rotationally connected with the rack 33, two ends of the cutting steel wire 30 are fixedly welded with the transmission shaft 31, a signal transmission line is arranged on one side of the rack 33, and the signal transmission line is in signal connection with the PLC 48; the bottom of the frame 33 is provided with a reinforcing rib 32, and the reinforcing rib 32 is welded and fixed on the frame; the frame 33 adopts a mode of parallel arrangement and combination of a plurality of steel frames, so that the structure is firm, and the frame 33 has the function of a sliding rail at the same time due to the design of sliding connection with the transmission shaft 31; the cutter wire 30 is 0.5mm to 1.00mm in diameter, and is made of carbon steel, stainless steel or tungsten steel, and is coated with an anti-corrosion coating on the surface thereof to increase the service life thereof.

The feeding unit comprises a discharging channel 46, a conveyor belt 44, a driving belt 40, a first motor 41, a baffle plate 42 and a fastening bolt 43, wherein the discharging channel 46 is in a groove shape, one end of the discharging channel 46 is welded with a discharging box 45, the other end of the discharging channel is welded with the baffle plate 42, the baffle plate 42 is welded on two sides of the conveyor belt, the conveyor belt 44 is connected with the baffle plate 42 through the fastening bolt 43, a driving roller is arranged on one side of the conveyor belt 44, the conveyor belt is rotatably connected with the driving belt 40 through the driving roller, a driven roller is arranged on one side of the driving belt 40, the driving belt 40 is rotatably connected with the first motor 41 through the driven roller, and the first motor 41 is in signal connection with a PLC (programmable logic controller) 48; the first motor 41 adopts an alternating current servo motor, the alternating current servo motor can make the control speed and the position precision very accurate, the power range of the alternating current servo motor is large, the high power can be realized, the highest rotating speed is low, the power is increased and rapidly reduced, and the motor is suitable for low-speed stable operation; the conveyor belt 44 is made of polyvinyl chloride consisting of polyester fiber cloth and polyvinyl chloride glue, and has smooth surface, firmness and durability; the baffle 42 is arranged, so that the mud bricks cannot fall off due to the environmental and angle problems in the actual use, the stability is higher, and the baffle is easy to install and maintain and long in service life.

When the equipment runs, the first motor 41 and the second motor 47 are started simultaneously, the first motor 41 drives the conveyor belt 44 to run, the second motor 47 drives the discharge box 45 to work, a die arranged in the discharge box 45 extrudes ceramic mud into a mud brick shape, then the mud brick starts to discharge from the discharge channel, the discharge box 45 and the conveyor belt drive the mud brick to move forwards, meanwhile, the mud brick is in friction contact with the roller 20 and drives the roller 20 to rotate, the rotating number of turns of the roller 20 is transmitted to the Hall sensor, the analog-to-digital converter is in signal connection with the PLC 48 and the Hall sensor, the surface area of the roller 20 can be obtained through measurement and calculation, the rotating number of turns of the roller 20 is multiplied by the surface area of the roller 20 to obtain the mud brick length, the mud brick length is multiplied by the mud brick cross-section area is equal to the mud brick volume, the mud brick cross-section area is equal to the cross-section area of the discharge channel 46, the mud brick quality can be obtained through measurement and calculation; the cutting unit is in signal connection with the PLC 48 through a signal transmission line, a worker can set that when the quality of the mud bricks reaches a preset value, the cutting steel wire 30 executes cutting action, the second motor 47 drives the transmission shaft, the transmission shaft drives the cutting steel wire 30 to execute cutting action, and the cut mud bricks are conveyed to a mud brick treatment workshop through the conveyor belt 44; the outer surface of the discharging box 45 is provided with a dovetail groove, the sliding block 61 is in sliding connection with the dovetail groove, one end of the supporting shaft 21 is fixedly connected with the sliding block 61, the other end of the supporting shaft is in rotating connection with the roller 20, the Hall sensor is used for detecting the rotating number of turns of the roller 20, a plurality of strip-shaped pressure sensitive elements 60 which are uniformly distributed are arranged in the dovetail groove, one end of the analog-to-digital converter is in signal connection with the PLC 48, and the other end of the analog-to-digital converter is respectively in signal connection with the Hall sensor and the pressure sensitive elements 60; through setting up the PLC 48, when the water content of the mud brick is higher, the whole mud brick is softer than when the normal water content, a part of the roller falls into the mud brick, rolls and drives the sliding block to slide downwards, the sliding block 61 triggers the pressure sensitive element 60 below the dovetail groove, the pressure sensitive element 60 transmits a signal back to the PLC 48, the PLC 48 controls the cutting unit to carry out cutting work, the mud brick with high water content is cut off independently, and staff can increase the time for storing and naturally airing the part of the mud brick; when the water content of the mud bricks is lower than the normal water content, the whole mud bricks are harder, the rollers drive the sliding blocks to slide upwards, the sliding blocks 61 trigger the pressure sensitive elements above, the pressure sensitive elements 60 transmit the pressure values back to the PLC 48, the PLC 48 is arranged to control the water sprayer to spray water for humidification, then cutting operation is carried out, and the mud bricks with low water content and the mud bricks with high water content can be mixed for reworking operation.

The system has the advantages that the PLC control system is adopted: the reliability is high, the anti-interference capability is strong, the matching is complete, the functions are perfect, and the applicability is strong; the wiring outside the control equipment is greatly reduced, the design and construction period of the control system is greatly shortened, and meanwhile, the maintenance is easy, so that the labor cost and the equipment cost are saved, and the production efficiency is improved; meanwhile, the quality of the mud bricks reaches a preset value, the mud bricks with different qualities can be cut to meet the requirements of manufacturing different ceramic products, moreover, the mud bricks with low water content are subjected to water spraying and humidification through a water sprayer and then are cut off independently, the mud bricks with high water content are also cut off independently, and the time of storage and natural airing is increased; the mud bricks with low water content and the mud bricks with high water content can be mixed, and the overall quality of the mud bricks can be unified by reworking operation.

The foregoing is merely an embodiment of the present application, the present application is not limited to the field of this embodiment, and the specific structures and features well known in the schemes are not described in any way herein, so that those skilled in the art will know all the prior art in the field before the application date or priority date of the present application, and will have the capability of applying the conventional experimental means before the date, and those skilled in the art may, in light of the present application, complete and implement the present scheme in combination with their own capabilities, and some typical known structures or known methods should not be an obstacle for those skilled in the art to practice the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. A mud brick cut-off control system, comprising: the device comprises a discharging unit, a detecting unit, a cutting unit and a feeding unit;

2. A mud brick cut control system according to claim 1, wherein: the frame adopts the parallel arrangement mode of a plurality of steel frames.

3. A mud brick cut control system according to claim 1, wherein: a certain gap is arranged between the discharging channel and the conveyor belt.

4. A mud brick cut control system according to claim 1, wherein: and the supporting shaft is provided with a blowing device for blowing air against the roller.

5. A method for cutting bricks, which adopts the system as set forth in claim 1, characterized in that: the method comprises the following steps:

s1, setting the quality of the mud bricks as a preset value;

s4, conveying the cut mud bricks to a storage place through a conveyor belt;

6. The method for cutting a mud brick according to claim 5, wherein: the preset value of the mud quality in the step S1 can be set in the PLC in advance.