CN111420923A - Cleaver cleaning system - Google Patents
Cleaver cleaning system Download PDFInfo
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- CN111420923A CN111420923A CN202010225381.9A CN202010225381A CN111420923A CN 111420923 A CN111420923 A CN 111420923A CN 202010225381 A CN202010225381 A CN 202010225381A CN 111420923 A CN111420923 A CN 111420923A
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- liquid
- container
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- riving knife
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention relates to a cleaver cleaning system, which comprises a container for containing cleaning liquid, wherein a liquid discharge pipe for discharging liquid outwards is arranged in the container, and a liquid discharge electromagnetic valve for controlling the on-off of the liquid discharge pipe is arranged on the liquid discharge pipe; the detection module is arranged in the container and comprises a liquid level detection unit and a conductivity detection unit, the liquid level detection unit is used for detecting the height of the liquid level in the container and outputting a detection signal, and the conductivity detection unit is used for detecting the conductivity value of the liquid in the container and comparing the conductivity value with a preset value, so that a detection signal indicating that the cleaver is cleaned or not cleaned is output; the control module is used for receiving the detection signal and correspondingly outputting a control signal; and the execution module is used for receiving the control signal and correspondingly outputting an execution signal, wherein the execution signal can control the on-off of the liquid discharge pipe. The invention has the effects of shortening the cleaning time of the riving knife and improving the cleaning efficiency of the riving knife.
Description
Technical Field
The invention relates to the technical field of cleaver cleaning, in particular to a cleaver cleaning system.
Background
The chopper is an auxiliary welding device applied to an ultrasonic press welder, and the working process of the chopper is as follows: ultrasonic signals from an ultrasonic generator are converted into high-frequency vibration through a transducer, the high-frequency vibration is transmitted to a chopper through an amplitude transformer, when the chopper is contacted with a lead and a welded part, the surface of a metal to be welded and the surface of the lead are mutually rubbed under the action of the pressure and the vibration of the chopper, an oxide film is damaged and generates plastic deformation, so that two pure metal surfaces are in close contact, the combination of atomic distance is achieved, and finally, firm mechanical connection is formed.
When the high-frequency vibration chopper is in surface contact with the lead wire and the welded piece, the lead wire and the welded piece are in surface friction, so that chips can be generated on the surface of the lead wire and the welded piece, the chips can be adhered to the surface of the chopper after being generated, the chopper is not easy to be in surface contact with the lead wire and the welded piece when being used next time, the using effect of the chopper is influenced, meanwhile, the positions of the chopper, the lead wire and the welded piece in surface contact are also enlarged, the end part of the chopper is not beneficial to aligning the lead wire and the welded piece, and therefore the end part of the chopper can be cleaned after being used.
When the existing cleaver is cleaned, a cleaning container is firstly prepared, then a certain amount of cleaning liquid is put into the container, and finally one end of the cleaver with the fragments is immersed into the cleaning liquid, so that the fragments are reacted with the cleaning liquid, and the purpose of cleaning the fragments on the cleaver is achieved.
The above prior art solutions have the following drawbacks: the end of the cleaver with the fragments is immersed in the cleaning liquid, and the fragments attached to the surface of the cleaver are less and less along with the reaction, so that whether the fragments are cleaned or not is more and more difficult to be checked by naked eyes.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cleaver cleaning system which has the effects of enabling an operator to know whether a cleaver is cleaned or not in time, shortening the time for cleaning the cleaver and improving the cleaning efficiency of the cleaver.
The above object of the present invention is achieved by the following technical solutions:
a riving knife cleaning system comprising:
the container is used for containing cleaning liquid, a liquid discharge pipe used for discharging liquid outwards is arranged in the container, and a liquid discharge electromagnetic valve used for controlling the on-off of the liquid discharge pipe is arranged on the liquid discharge pipe;
the detection module is arranged in the container and comprises a liquid level detection unit and a conductivity detection unit, the liquid level detection unit is used for detecting the height of the liquid level in the container and outputting a detection signal, and the conductivity detection unit is used for detecting the conductivity value of the liquid in the container and comparing the conductivity value with a preset value, so that a detection signal indicating that the cleaver is cleaned or not cleaned is output;
the control module is used for receiving the detection signal and correspondingly outputting a control signal;
and the execution module is used for receiving the control signal and correspondingly outputting an execution signal, wherein the execution signal can control the on-off of the liquid discharge pipe.
By adopting the technical scheme, the arrangement of the detection module is beneficial to the control module to judge whether the cleaver in the container is cleaned completely, so that the execution signal is correspondingly output to the execution module according to the judgment result, further the opening and closing of the liquid discharge electromagnetic valve can be controlled according to the detection result, when the cleaver is not cleaned completely, the liquid discharge electromagnetic valve is in a closed state, so that the liquid discharge pipe is not conducted, the liquid in the container can not be discharged outwards, after the cleaver is cleaned completely, the liquid discharge electromagnetic valve can be opened, so that the liquid discharge pipe is conducted, the liquid in the container is discharged outwards, and at the moment, an operator can know that the cleaver is cleaned completely, compared with the existing cleaver cleaning mode, the mode can accurately and timely know whether the cleaver is cleaned completely, and can immediately change to another cleaver for cleaning after the cleaver is cleaned completely, the cleaver does not need to be soaked in the cleaning liquid for a long time in order to ensure the cleaning effect, the cleaning efficiency of the cleaver is greatly improved, and the waste liquid formed after the cleaver is cleaned is discharged outwards immediately, so that the cleaver can not be soaked in the waste liquid for a long time, and the probability that the cleaver is damaged by the waste liquid is reduced.
In a preferred example, the conductivity detection unit may further include a difference comparison circuit, the difference comparison circuit is configured to obtain two consecutive times of conductivity value detection of the liquid in the container per unit time, compare a difference obtained by subtracting the two consecutive conductivity values with a preset value, and output a detection signal indicating that the reaction between the cleaning liquid and the debris on the riving knife is stopped or not stopped to the control module.
By adopting the technical scheme, the arrangement of the difference comparison circuit can compare the difference formed by subtracting the conductivity values of the liquid in the container from the conductivity values of the liquid in the container in the previous and next times in unit time with the preset value, when the difference is larger than the preset value, the difference between the conductivity values of the liquid in the previous and next times in unit time is larger, the change of the conductivity value in the unit time is larger, the reaction of the cleaning liquid and the chips on the cleaver is shown in a reaction state, the chips are not cleaned completely, when the difference is smaller than the preset value, the change of the conductivity value in the unit time is smaller, the reaction of the cleaning liquid and the chips on the cleaver is shown to be stopped, the chips are cleaned completely, the control module is facilitated to output a control signal according to the output detection signal, compared with the direct detection that the conductivity value, the method is simpler and more convenient when the preset value is set.
The invention can be further configured in a preferable example, a liquid adding pipe used for adding cleaning liquid into the container is further arranged in the container, and a liquid adding electromagnetic valve used for controlling the on-off of the liquid adding pipe is arranged on the liquid adding pipe.
By adopting the technical scheme, the arrangement of the liquid feeding pipe facilitates the addition of cleaning liquid into the container; the liquid feeding solenoid valve is arranged, so that the on-off of the liquid feeding pipe can be controlled, the liquid feeding pipe is convenient to communicate when liquid feeding is needed, and the liquid feeding pipe is closed when liquid feeding is not needed.
In a preferred example, the control module includes a liquid adding control unit, the execution module includes a liquid adding execution unit, the liquid adding control unit is configured to receive the liquid level detection signal output by the detection unit and output a corresponding control signal to the liquid adding execution unit, the liquid adding execution unit is configured to receive the control signal and output an execution signal correspondingly, and the execution signal is configured to control on/off of the liquid adding electromagnetic valve.
Through adopting above-mentioned technical scheme, the setting of liquid feeding control unit and liquid feeding execution unit for whether the operation of liquid feeding needs to be carried out can be judged according to the detected signal that detection module output to the liquid feeding action of liquid feeding pipe, so that the liquid feeding pipe adds the washing liquid in the container at the exact time, helps going on of cleaning, has also reduced the waste of washing liquid simultaneously.
In a preferred example, the invention may be further configured that a water adding pipe for adding clean water into the container to clean the container and the riving knife is further arranged in the container, and the water adding pipe is provided with a water adding electromagnetic valve for controlling the on-off of the water adding pipe.
By adopting the technical scheme, the arrangement of the water adding pipe facilitates the addition of clear water into the container to clean the container and the riving knife; the water adding solenoid valve is arranged, so that the on-off of the water adding pipe can be controlled, and the water adding action can be accurately and timely carried out.
In a preferred example, the control module may further include a water adding control unit, the execution unit includes a water adding execution unit, the water adding control unit is configured to receive the detection signal indicating the cleaning state of the container and the riving knife output by the detection module and output a control signal to the water adding execution unit correspondingly, the water adding execution unit is configured to receive the control signal and output an execution signal to the water adding execution unit correspondingly, and the execution signal is used to control on/off of the water adding electromagnetic valve.
Through adopting above-mentioned technical scheme, add the setting of water the control unit and add the water execution unit for the action of adding water of filler pipe can be more accurate, so that promote the cleaning performance to container and chopper, can reduce the waste of time moreover, help promoting the cleaning efficiency of chopper.
In a preferred example, the invention may be further configured that a buzzer for prompting that the riving knife is cleaned is further arranged on the outer side wall of the container, and the buzzer is provided with a normally closed switch for turning off the buzzer after the buzzer rings.
By adopting the technical scheme, the arrangement of the buzzer enables an operator to know that the riving knife is cleaned in time, and the riving knife can be taken out and replaced by another riving knife for cleaning, so that the cleaning efficiency of the riving knife is improved; the normally closed switch is arranged, so that the buzzer can be closed after being sounded, the situation that the buzzer is continuously interrupted after being sounded is avoided, the waste of electric energy of the buzzer is reduced, and meanwhile, the influence of sound on the environment is also reduced.
The invention may further be configured in a preferred example, the control module includes an alarm control unit, the execution module includes an alarm execution unit, the alarm control unit is configured to receive the detection signal indicating that the container and the riving knife have been cleaned and output a control signal correspondingly, the alarm execution unit is configured to receive the control signal and output an execution signal correspondingly, and the execution signal is used to control the buzzer to be turned on.
Through adopting above-mentioned technical scheme, alarm control unit and alarm execution unit's setting for bee calling organ can accurate timely be sounded more, helps operating personnel in time to react and come, changes the chopper, has promoted the cleaning efficiency to the chopper.
The invention can be further configured in a preferred example that the opening of the container is provided with a cover plate for covering the opening, and a clamp for clamping the riving knife is arranged on one side surface of the cover plate close to the inner part of the container.
By adopting the technical scheme, the cover plate covers the opening of the container, so that pollutants in the external environment cannot enter the container easily and randomly to pollute the interior of the container, and a stable mounting position is provided for the clamp; due to the arrangement of the clamp, the riving knife does not need to be held by an operator all the time when being cleaned, the use of manpower is reduced, and compared with the manual riving knife holding mode, the mode enables the state of the riving knife to be more stable, and the riving knife is beneficial to cleaning.
In summary, the invention includes at least one of the following beneficial technical effects:
compared with the prior technical scheme, the cleaning state of the riving knife can be known more timely and accurately by the method, the cleaning effect of the riving knife is not guaranteed in a manner of soaking for as long as possible, and the cleaning effect of the riving knife is favorably improved;
the difference value comparison circuit can be used for comparing a difference value formed by subtracting the conductivity values of the liquid in the container twice in unit time with the preset value, and judging whether the cleaning liquid and the scraps react or not according to a comparison result.
Drawings
Fig. 1 is a schematic view of the overall structure of the container of the present invention.
Fig. 2 is a schematic circuit diagram of the detection module of the present invention.
Fig. 3 is a schematic circuit structure diagram of the liquid adding control unit and the liquid adding execution unit in the invention.
FIG. 4 is a schematic diagram of the circuit configuration of the liquid discharge control unit and the liquid discharge execution unit of the present invention.
FIG. 5 is a schematic diagram of the circuit structure of the water adding control unit and the water adding execution unit in the present invention.
Fig. 6 is a schematic diagram of the circuit structure of the alarm control unit and the alarm execution unit in the present invention.
In the figure, 1, a container; 11. a cover plate; 111. a clip; 12. a liquid feeding pipe; 121. a liquid adding electromagnetic valve; 13. a liquid discharge pipe; 131. a liquid discharge solenoid valve; 14. a water feeding pipe; 141. a water adding electromagnetic valve; 2. a riving knife; 3. a liquid level detection unit; 31. a liquid level meter; 4. a conductivity detection unit; 41. a conductivity detector; 42. a first comparison circuit; 43. a second comparison circuit; 44. a difference comparison circuit; 441. a subtraction circuit; 5. a liquid feeding control unit; 6. a liquid discharge control unit; 7. a water addition control unit; 8. a switching circuit; 9. a liquid adding execution unit; 10. a liquid discharge execution unit; 101. a water adding execution unit; 102. an alarm control unit; 103. an alarm execution unit; 1031. a buzzer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the cleaver cleaning system of the present invention includes a container 1, wherein the container 1 is in a rectangular parallelepiped shape and made of a rigid plastic material; a cover plate 11 is covered at an opening at the upper side of the container 1, the cover plate 11 is in a cuboid shape and is made of hard plastic, and one side of the cover plate 11 is hinged with the upper end of the container 1; the cover plate 11 is also internally fixed with a plurality of clips 111 for clamping the riving knife 2 through screws, when the riving knife 2 is cleaned, one end of the riving knife 2 far away from the chippings is clamped and fixed on the cover plate 11 by the clips 111, and when the cover plate 11 is covered on the opening of the container 1, one end of the riving knife 2 with the chippings extends into the container 1.
Referring to fig. 1, a filling pipe 12 for filling a cleaning liquid and a filling pipe 14 for filling clean water are further disposed on the sidewall of the container 1, one end of the filling pipe 12 is communicated with the sidewall inside the container 1, the other end of the filling pipe passes through the sidewall of the container 1 and extends out of the container 1, and a filling electromagnetic valve 121 for controlling the on-off of the filling pipe 12 is disposed on the filling pipe 12.
Referring to fig. 1, one end of the water feeding pipe 14 is also communicated with the inner side wall of the container 1, the other end of the water feeding pipe also penetrates through the side wall of the container 1 and extends to the outside of the container 1, and a water feeding electromagnetic valve 141 for controlling the on-off of the water feeding pipe 14 is arranged on the water feeding pipe 14.
Referring to fig. 1, a liquid discharge pipe 13 is further disposed at the bottom of the container 1, one end of the liquid discharge pipe 13 is communicated with the bottom of the container 1, the other end of the liquid discharge pipe 13 passes through the bottom of the container 1 and extends to the outside of the container 1, and a liquid discharge solenoid valve 131 for controlling the on-off of the liquid discharge pipe 13 is further disposed on the liquid discharge pipe 13.
Referring to fig. 1, the cleaver 2 cleaning system further includes: the liquid level detection device comprises a detection module for detecting the liquid level and the conductivity of the liquid in the container 1 and outputting a detection signal, a control module for receiving the detection signal and outputting a control signal, and an execution module for receiving the control signal and outputting an execution signal, wherein the execution signal can control the on-off of the liquid adding electromagnetic valve 121, the liquid discharging electromagnetic valve 131 and the water adding electromagnetic valve 141.
Referring to fig. 1 and 2, the detection module comprises a liquid level detection unit 3 and a conductivity detection unit 4, wherein the liquid level detection unit 3 is used for detecting the change of the liquid level in the container 1 and outputting a liquid level detection signal, the liquid level detection unit 3 outputs a detection signal a1 when the liquid in the container 1 submerges the debris on the riving knife 2, the liquid level detection unit 3 outputs a detection signal C1 when the liquid level in the container 1 drops to the bottom of the container 1, and the detection signal C1 indicates that the liquid level of the liquid in the container 1 has dropped to the bottom of the container 1; the conductivity detection unit 4 is used for detecting the conductivity value of the liquid in the container 1 and outputting a detection signal, when the detected conductivity value of the liquid is smaller than the conductivity value when the reaction between the cleaning liquid and the chips is completed, the conductivity detection unit 4 outputs a detection signal B2, which indicates that the chips are cleaned by the cleaning liquid, and when the container 1 and the riving knife 2 are cleaned, the conductivity detection unit 4 outputs a detection signal B3.
Referring to fig. 1 and 2, the level detection unit 3 comprises a level gauge 31, an output of the level gauge 31 being coupled to the control module.
Referring to fig. 1 and 2, the conductivity detection unit 4 includes: the conductivity detector 41 is used for detecting conductivity values of the liquid in the container 1 and outputting conductivity detection values to the first comparison circuit 42, the second comparison circuit 43 and the difference comparison circuit 44 respectively, and the conductivity detection values are compared with a first preset conductivity value in the first comparison circuit 42, a second preset conductivity value in the second comparison circuit 43 and a third preset conductivity value in the difference comparison circuit 44 respectively and output corresponding comparison values.
Referring to fig. 1 and 2, the first comparing circuit 42 includes a comparator OA1 and a first preset value circuit, and the first preset value circuit includes: the power supply VCC, the resistor R3 and the resistor R4, one end of the resistor R3 is coupled with the power supply VCC, the other end of the resistor R3 is coupled with one end of the resistor R4, and the other end of the resistor R4 is grounded; the inverting terminal of the comparator OA1 is coupled to the node between the resistors R3 and R4, and the positive terminal of the comparator OA1 is coupled to the conductivity detector 41.
Referring to fig. 1 and 2, the first comparison circuit 42 outputs a high level when the detected value of the electrical conductivity is greater than a first preset electrical conductivity value, which is greater than the electrical conductivity value of the liquid in the container 1 by 1us/cm when the debris is cleaned, and also indicates that the cleaning liquid in the container 1 is cleaning the debris when the first comparison circuit 42 outputs a high level.
Referring to fig. 2, when the detected value of the conductivity is smaller than the first preset value, the first comparing circuit 42 outputs a low level, and the reaction between the cleaning liquid and the debris is completed.
Referring to fig. 2, a not gate 1 is further coupled to the output terminal of the comparator OA1, and the low level output from the first comparison circuit 42 is converted to a high level at the not gate 1.
Referring to fig. 1 and 2, the second comparing circuit 43 includes a second preset value circuit and a comparator OA2, and the second preset value circuit includes: the circuit comprises a power supply VCC, a resistor R5 and a resistor R6, wherein one end of the resistor R5 is coupled with the power supply VCC, the other end of the resistor R5 is coupled with one end of the resistor R6, the other end of the resistor R6 is grounded, the inverting end of a comparator OA2 is coupled with a node between the resistor R5 and the resistor R6, and the positive end of a comparator OA2 is coupled with a conductivity detector 41.
Referring to fig. 1 and fig. 2, the second comparing circuit 43 is configured to receive the detected conductivity value output by the conductivity detector 41 and compare the detected conductivity value with a second preset conductivity value in the second comparing circuit 43, where the second preset conductivity value is 1us/cm greater than the conductivity value of the clean water, in this embodiment, the conductivity value of the clean water is 5us/cm, because the electrolyte contained in the waste liquid generated after the debris is cleaned is more than the electrolyte in the clean water, the first preset conductivity value is certainly greater than the second preset conductivity value, when the detected conductivity value is smaller than the first preset conductivity value and greater than the second preset conductivity value, the first comparing circuit 42 outputs a low level, and the second comparing circuit 43 outputs a high level.
Referring to fig. 2, an and gate 1 is further coupled to the output of the comparator OA2, one input of the and gate 1 is coupled to the output of the nand gate 1, and the other input of the and gate 1 is coupled to the output of the comparator OA 2; also coupled to the output of comparator OA2 is a not gate 2, where the low level output from first comparison circuit 42 is converted to a high level at not gate 2.
Referring to fig. 1 and 2, the difference comparison circuit 44 includes: the output end of the subtraction circuit 441 is coupled to the non-inverting end of the comparator OA3, the output end of the third preset value circuit is coupled to the inverting end of the comparator OA3, and the third preset value output by the third preset value circuit is 0.5 us/cm; the subtracting circuit 441 is configured to receive the conductivity detection value output by the conductivity detector 41 twice in a unit time, and subtract the former conductivity detection value from the latter conductivity detection value to obtain a difference value, and the difference value is compared with a third preset conductivity value output by a third preset circuit through a comparator OA 3.
Referring to fig. 1 and fig. 2, when the difference is greater than the third preset value, the change of the conductivity value of the liquid in the open-top container 1 from front to back is relatively large, which indicates that the cleaning liquid and the chips are still in reaction and the chips are not cleaned, and when the difference is less than the third preset value, which indicates that the change of the conductivity value of the liquid in the container 1 from front to back is relatively small, which indicates that the reaction of the cleaning liquid and the chips in the container 1 stops and the chips are cleaned, compared with the manner in the first comparison circuit 42, the manner can more accurately and timely know whether the cleaning liquid has cleaned the chips.
Referring to fig. 2, the subtraction circuit 441 includes: the conductivity detector comprises an NPN type triode Q1, a capacitor, a PNP type triode Q2, a square wave emitter and a subtracter, wherein a collector of the NPN type triode Q1 is coupled with the conductivity detector 41, a base of the NPN type triode Q1 is coupled with one end of the square wave emitter, and an emitter of the NPN type triode Q1 is coupled with one end of the capacitor; the other end of the capacitor is coupled with a collector of a PNP type triode Q2, the base of the PNP type triode Q2 is coupled with the other end of the square wave emitter, and the emitter of the PNP type triode Q2 is coupled with one input end of the subtracter; the other input of the subtractor is coupled to the conductivity detector 4116, and the output of the subtractor is coupled to the non-inverting terminal of the comparator OA 3.
Referring to fig. 2, the third preset value circuit includes: the power supply VCC, resistance R7 and resistance R8, resistance R7 one end is coupled with power VCC, resistance R7 other end is coupled with resistance R8 one end, resistance R8 other end ground, the inverting terminal of comparator OA3 is coupled with the node between resistance R7, resistance R8.
Referring to fig. 2, a not gate 3 is further coupled to the output of the comparator OA3, and the low level output from the difference comparator circuit 44 is converted to a high level at the not gate 3.
Referring to fig. 3 and 4, the control module includes: the liquid adding control unit 5 is used for receiving the detection signal output by the detection module and outputting a corresponding control signal to the liquid adding execution unit 9; the liquid discharge control unit 6 is used for receiving the detection signal output by the detection module and outputting a corresponding control signal to the liquid discharge execution unit 10; the water adding control unit 7 (refer to fig. 5) is configured to receive the detection signal output by the detection module and output a corresponding control signal to the water adding execution unit 101.
Referring to fig. 3, the charging control unit 5 includes an SR latch U1 and a first relay (including a relay coil KM1 and a normally open contact switch KM 1-1), a switch circuit 8 is coupled to the S pole of the SR latch U1, the R pole of the SR latch U1 is coupled to the liquid level meter 31, and the Q pole of the SR latch U1 is coupled to one end of a relay coil KM1 of the first relay; the other end of the relay coil KM1 on the first relay is grounded.
Referring to fig. 3, the switching circuit 8 includes: power VCC, button switch and resistance R1, button switch one end is coupled with power VCC, and the button switch other end is coupled with resistance R1 one end, and the resistance R1 other end ground connection, the last S utmost point of SR latch U1 is coupled with the node between button switch, resistance R1.
After pressing the button, the switching circuit 8 outputs a signal Z1 to the dosing control unit 5.
Referring to fig. 1 and 4, the liquid discharge control unit 6 includes: the input end of the AND gate 2 is respectively coupled with the output end of the AND gate 1, the output end of the NOT gate 3 and the output end of the liquid level meter 31, and the input end of the NAND gate 2 is coupled with the input end of the NAND gate 1; the input end of the NOT gate 1 is also respectively coupled with the output end of the NAND gate 2 and the output end of the AND gate 3, and the output end of the NOT gate 1 is coupled with the S pole of the SR latch U2; the input end of the AND gate 3 is respectively coupled with the output end of the AND gate 1 and the output end of the liquid level meter 31; the Q pole of the SR latch U2 is coupled with one end of a first relay upper relay coil KM2, the other end of the first relay upper relay coil KM2 is grounded, the R pole of the SR latch U2 is coupled with the output end of the AND gate 4, and the input end of the AND gate 4 is coupled with the output end of the AND gate 1 and the output end of the liquid level meter 31 respectively.
Referring to fig. 1 and 5, the water addition control unit 7 includes: the input end of the and gate 5 is respectively coupled with the output end of the and gate 1 and the output end of the liquid level meter 31, and the output end of the and gate 5 is coupled with the S pole of the SR latch U3; the R pole of the SR latch U3 is coupled with the output end of the OR gate 2, the Q pole of the SR latch U3 is coupled with one end of a third relay upper relay coil KM3, and the other end of the third relay upper relay coil KM3 is grounded; the input end of the OR gate 2 is respectively coupled with the output end of the NAND gate 2 and the output end of the AND gate 6; the inputs of the and gate 6 are coupled to the input of the and gate 1 and to the input of the level gauge 31, respectively.
Referring to fig. 3 and 4, the execution module includes: the liquid adding and draining device comprises a liquid adding execution unit 9, a liquid draining execution unit 10 and a water adding execution unit 101 (refer to fig. 5), wherein the liquid adding execution unit 9 is used for controlling the on-off of a liquid adding electromagnetic valve 121, the liquid draining execution unit 10 is used for controlling the on-off of a liquid draining electromagnetic valve 131, and the water adding execution unit 101 (refer to fig. 5) is used for controlling the on-off of a water adding electromagnetic valve 141 (refer to fig. 5).
Referring to fig. 3, the charging execution unit 9 includes: the device comprises a power supply VDD, a resistor R2 and a liquid charging electromagnetic valve 121, wherein one end of a normally open contact switch KM1-1 is coupled with one end of a resistor R2, the other end of a resistor R2 is coupled with the power supply VDD, the other end of the normally open contact switch KM1-1 is coupled with one end of the liquid charging electromagnetic valve 121, and the other end of the liquid charging electromagnetic valve 121 is grounded.
Referring to fig. 4, the liquid discharge performing unit 10 includes: the device comprises a power supply VDD, a resistor R9 and a liquid discharge solenoid valve 131, wherein one end of a normally open contact switch KM2-1 is coupled with one end of a resistor R9, the other end of a resistor R9 is coupled with the power supply VDD, the other end of the normally open contact switch KM2-1 is coupled with one end of the liquid discharge solenoid valve 131, and the other end of the liquid discharge solenoid valve 131 is grounded.
Referring to fig. 5, the water addition execution unit 101 includes: the device comprises a power supply VDD, a resistor R10 and a water adding solenoid valve 141, wherein one end of a normally open contact switch KM3-1 is coupled with one end of a resistor R10, the other end of a resistor R10 is coupled with the power supply VDD, the other end of the normally open contact switch KM3-1 is coupled with one end of the water adding solenoid valve 141, and the other end of the water adding solenoid valve 141 is grounded.
Referring to fig. 1 and 6, in order to timely inform an operator that the riving knife 2 is cleaned, a buzzer 1031 is further installed on the side wall of the container 1, an alarm control unit 102 and an alarm execution unit 103 are arranged on the buzzer 1031, the alarm control unit 102 receives a detection signal of the detection module and outputs a control signal, and the alarm execution unit 103 receives the control signal and outputs an execution signal, wherein the execution signal is used for controlling the opening of the buzzer 1031.
Referring to fig. 1 and 6, the alarm control unit 102 includes an and gate 7 and a fourth relay (including a relay coil KM4 and a normally open contact switch KM 4-1), one input of the and gate 7 is coupled to the output of the nand gate 2, the other input of the and gate 7 is coupled to the output of the liquid level meter 31, the output of the and gate 7 is coupled to one end of a fourth on-relay coil KM4, and the other end of the fourth on-relay coil KM4 is coupled.
Referring to fig. 6, the alarm execution unit 103 includes: the power supply VDD, the resistor R11, normally closed switch and the buzzer 1031, normally open contact switch KM4-1 one end is coupled with resistor R11 one end, the resistor R11 other end is coupled with power supply VDD, normally open contact switch KM4-1 other end is coupled with normally closed switch one end, the normally closed switch other end is coupled with buzzer 1031 one end, the buzzer 1031 other end ground.
Referring to fig. 6, the normally closed switch is used for the operator to close after the buzzer 1031 is turned on, so that the buzzer 1031 is not always in a ringing state.
The following is the process of cleaver 2 cleaning:
referring to fig. 1 and 3, when the riving knife 2 needs to be cleaned, the riving knife 2 is firstly clamped and fixed on the clamp 111, and then the cover plate 11 is covered on the opening of the container 1, so that one end of the riving knife 2 with the chippings extends into the container 1; at this time, the button switch is pressed, the switch circuit 8 outputs a high level Z1 to the liquid adding control unit 5, the liquid adding control unit 5 controls the liquid adding electromagnetic valve 121 to be opened through the liquid adding execution unit 9 after receiving the high level Z1, and the cleaning liquid is added into the container 1 through the liquid adding pipe 12; after the liquid level of the cleaning liquid rises to immerse one end, with the fragments, of the riving knife 2, the detection module outputs a high level A1 to the liquid adding control unit 5, the liquid adding control unit 5 receives the high level A1 and then controls the liquid adding electromagnetic valve 121 to close through the liquid adding execution unit 9, the cleaning liquid cannot be continuously added into the container 1, and the cleaning liquid continuously reacts with the fragments at the moment, so that the purpose of cleaning the fragments is achieved.
Referring to fig. 1 and 4, after the cleaning liquid cleans the debris, at this time, the conductivity detector 41 detects that the detected conductivity value of the liquid in the container 1 is smaller than the first preset value and larger than the second preset value, and the difference value formed by subtracting the two detected conductivity values in a unit time is smaller than the third preset value, so that the detection module outputs a high level B2 and a high level B4 to the liquid discharge control unit 6, and at the same time, because the liquid level in the container 1 does not change, the detection module outputs a high level a1 to the liquid discharge control unit 6, so that the liquid discharge control unit 6 controls the liquid discharge solenoid valve 131 to open through the liquid discharge execution unit 10, the liquid discharge pipe 13 is communicated, and the waste liquid generated by cleaning in the container 1 is discharged outside.
Referring to fig. 1 and 4, after the waste liquid generated by cleaning is discharged, clear water needs to be added into the container 1 to flush the riving knife 2 and the container 1, and at this time, the liquid discharge pipe 13 needs to be closed; after the waste liquid is drained, the detection module will output a high level C1 to the liquid discharge control unit 6, and meanwhile, since the conductivity detection value in the container 1 is still in a state of being greater than the first preset value and less than the second preset value, the detection module will output a high level B2 to the liquid discharge control unit 6, so that the liquid discharge control unit 6 will control the liquid discharge electromagnetic valve 131 to close through the liquid discharge execution unit 10 again, and the liquid discharge pipe 13 is blocked.
Referring to fig. 1 and 5, at the same time, the water adding control unit 7 also receives the high level C1 and the high level B2 outputted by the detection module, so that the water adding control unit 7 controls the water adding electromagnetic valve 141 to open through the water adding execution unit 101, and the clean water is added into the container 1 through the water adding pipe 14; after the liquid level of the clean water rises to submerge the cleaning part of the riving knife 2, the detection module outputs a high level B2 and a high level A1 to the water adding control unit 7, so that the water adding control unit 7 controls the water adding electromagnetic valve 141 to be closed through the water adding execution unit 101, and the water adding pipe 14 stops adding water.
Referring to fig. 1 and 4, since the clean water is discharged after the container 1 and the riving knife 2 are cleaned, when the detection module outputs a high level B2 and a high level a1 to the water adding control unit 7, the detection module also outputs a high level B2 and a high level a1 to the liquid discharge control unit 6, and the liquid discharge control unit 6 controls the liquid discharge electromagnetic valve 131 to open through the liquid discharge execution unit 10, so that the cleaned wastewater is discharged from the liquid discharge pipe 13; after the wastewater is drained, the detection module will continue to output a high level B2 and a high level C1 to the water adding control unit 7 (see fig. 5), and the water adding control unit 7 (see fig. 5) will open the water adding solenoid valve 141 (see fig. 5) through the water adding execution unit 101 (see fig. 5), and add clean water to the container 1 again, and similarly, when the liquid level rises to submerge the cleaning part of the riving knife 2, the water adding pipe 14 stops adding water to the container 1.
Referring to fig. 1 and 4, at this time, if the detected value of the conductivity output by the conductivity detector 41 is smaller than the second preset value, it indicates that the riving knife 2 and the container 1 are cleaned, and only the liquid in the container 1 is drained through the drain pipe 13 at this time, the detection module outputs a high level B3 to the drain control unit 6, the drain control unit 6 controls the drain electromagnetic valve 131 to open through the drain execution unit 10 to drain off the clean water, and the detection module also outputs a high level B3 to the water adding control unit 7 (refer to fig. 5), and the water adding control unit 7 (refer to fig. 5) does not open the water adding electromagnetic valve 141 (refer to fig. 5) through the water adding execution unit 101 (refer to fig. 5), so that the situation of adding water into the container 1 again does not occur.
Referring to fig. 6, after the clean water is drained, the detection module outputs a high level B3 and a high level C1 to the alarm control unit 102, the alarm control unit 102 controls the buzzer 1031 to open through the alarm execution unit 103, and after the buzzer 1031 rings, the operator can open the cover plate 11 to take down the riving knife 2.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. A riving knife cleaning system comprising:
the cleaning liquid container comprises a container (1) for containing cleaning liquid, wherein a liquid discharge pipe (13) for discharging liquid outwards is arranged in the container (1), and a liquid discharge electromagnetic valve (131) for controlling the on-off of the liquid discharge pipe (13) is arranged on the liquid discharge pipe (13);
the detection module is arranged in the container (1) and comprises a liquid level detection unit (3) and a conductivity detection unit (4), the liquid level detection unit (3) is used for detecting the height of the liquid level in the container (1) and outputting a detection signal, the conductivity detection unit (4) is used for detecting the conductivity value of the liquid in the container (1) and comparing the conductivity value with a preset value, so that a detection signal indicating that the cleaver (2) is cleaned or not cleaned is output;
the control module is used for receiving the detection signal and correspondingly outputting a control signal;
and the execution module is used for receiving the control signal and correspondingly outputting an execution signal, wherein the execution signal can control the on-off of the liquid discharge pipe (13).
2. The riving knife cleaning system of claim 1 wherein the conductivity detection unit (4) comprises a difference comparison circuit (44), the difference comparison circuit (44) is configured to obtain two consecutive times per unit time for conductivity value detection of the liquid in the container (1), compare a difference obtained by subtracting the conductivity values of the previous and subsequent times with a preset value, and output a detection signal to the control module indicating that the reaction of the cleaning liquid with the debris on the riving knife (2) is stopped or not stopped.
3. The cleaver cleaning system of claim 1, wherein a liquid feeding pipe (12) for feeding a cleaning liquid into the container (1) is further arranged in the container (1), and a liquid feeding electromagnetic valve (121) for controlling the on-off of the liquid feeding pipe (12) is arranged on the liquid feeding pipe (12).
4. The riving knife cleaning system of claim 3, wherein the control module comprises a liquid adding control unit (5), the execution module comprises a liquid adding execution unit (9), the liquid adding control unit (5) is used for receiving the liquid level detection signal output by the detection unit and outputting a corresponding control signal to the liquid adding execution unit (9), the liquid adding execution unit (9) is used for receiving the control signal and correspondingly outputting an execution signal, and the execution signal is used for controlling the on-off of the liquid adding electromagnetic valve (121).
5. The riving knife cleaning system according to claim 1, wherein a water adding pipe (14) for adding clean water into the container (1) to clean the container (1) and the riving knife (2) is further arranged in the container (1), and a water adding electromagnetic valve (141) for controlling the on-off of the water adding pipe (14) is arranged on the water adding pipe (14).
6. The riving knife cleaning system of claim 5, wherein the control module comprises a water adding control unit (7), the execution unit comprises a water adding execution unit (101), the water adding control unit (7) is used for receiving detection signals which are output by the detection module and represent cleaning states of the container (1) and the riving knife (2) and correspondingly outputting control signals to the water adding execution unit (101), the water adding execution unit (101) is used for receiving the control signals and correspondingly outputting execution signals to the water adding execution unit (101), and the execution signals are used for controlling on-off of the water adding electromagnetic valve (141).
7. The riving knife cleaning system according to claim 1, wherein a buzzer (1031) for prompting the cleaning of the riving knife (2) is further arranged on the outer side wall of the container (1), and a normally closed switch for turning off the buzzer after the buzzer (1031) sounds is arranged on the buzzer (1031).
8. The riving knife cleaning system of claim 7, wherein the control module comprises an alarm control unit (102), the execution module comprises an alarm execution unit (103), the alarm control unit (102) is configured to receive the detection signal indicating that the container (1) and the riving knife (2) have been cleaned and output a control signal correspondingly, the alarm execution unit (103) is configured to receive the control signal and output an execution signal correspondingly, and the execution signal is configured to control the buzzer (1031) to be turned on.
9. The riving knife cleaning system of claim 1 wherein the opening of the container (1) is provided with a cover plate (11) for covering the opening, and a clamp (111) for clamping the riving knife (2) is arranged on one side surface of the cover plate (11) close to the inside of the container (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225381.9A CN111420923A (en) | 2020-03-26 | 2020-03-26 | Cleaver cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225381.9A CN111420923A (en) | 2020-03-26 | 2020-03-26 | Cleaver cleaning system |
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| CN111420923A true CN111420923A (en) | 2020-07-17 |
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| CN202010225381.9A Pending CN111420923A (en) | 2020-03-26 | 2020-03-26 | Cleaver cleaning system |
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| CN (1) | CN111420923A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20200717 |