CN116147560A - Automatic detection device and control method for appearance size of activated carbon filter element - Google Patents
Automatic detection device and control method for appearance size of activated carbon filter element Download PDFInfo
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- CN116147560A CN116147560A CN202310423130.5A CN202310423130A CN116147560A CN 116147560 A CN116147560 A CN 116147560A CN 202310423130 A CN202310423130 A CN 202310423130A CN 116147560 A CN116147560 A CN 116147560A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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Abstract
The invention relates to the technical field of detection equipment, in particular to an automatic detection device and a control method for the outline dimension of an activated carbon filter element. The avoidance cylinder releases pushing of the lever, the piston rod of the detection plate cylinder is completely stretched out, the detection contact of the displacement sensor is abutted against the detection surface, the spring pushes the lever to be positioned at a position above the middle hole of the lever, the detection assembly rotates around the middle hole of the lever, the detection roller is abutted against the outer cylindrical surface of the activated carbon filter element, the displacement sensor acquires data, the lifting cylinder drives the activated carbon filter element to translate upwards and lift, and the trigger rod of the micro switch is compressed again; until the trigger rod of the micro-switch leaves the lower end face of the active carbon filter element, the micro-switch generates an electric signal, and the lifting electric cylinder stops. The invention has high working efficiency and more acquired data, can measure the wall thickness dimension which can not be measured by the universal measuring tool in the deep hole, has high degree of automation, can automatically analyze and judge whether the active carbon filter element is qualified or not, and prevents unqualified active carbon filter element from flowing into a water purifier production workshop.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to an automatic detection device and a control method for the overall dimension of an activated carbon filter element.
Background
The activated carbon filter element is in a round tube shape, and in the water purifier, water completely permeates through the wall of the activated carbon filter element, and impurities are adsorbed by the activated carbon material. The wall thickness of the activated carbon filter element is an important index, if the wall thickness is larger, the path through which water passes when passing through is longer, the time of contact between the water and the activated carbon material is longer, and impurities in the water are absorbed more completely, otherwise, if the wall thickness is smaller, the path through which water passes when passing through is shorter, the time of contact between the water and the activated carbon material is shorter, and the impurities in the water are absorbed less completely. In the technical document, tolerance requirements are generally made on the activated carbon filter element, and in order to save the activated carbon material, a plurality of manufacturers often control the wall thickness to be close to the lower deviation, so that the requirements are met; however, sometimes the control is not good, and the lower deviation is also lower, so that the unqualified activated carbon filter element is produced.
The length of the activated carbon filter element is generally several times to more than ten times of the diameter of the inner hole, the wall thickness of two end parts of the activated carbon filter element can be measured by a universal measuring tool, such as a vernier caliper and a micrometer, but the inner part is difficult to detect by using the universal measuring tool. The manual work is measured through general measuring tool, and work efficiency is lower, and the data of gathering is less, only gathers the wall thickness at both ends, and the data of gathering is not representative, if middle part wall thickness is insufficient, can not be detected, probably flows into purifier manufacturing shop as the conforming article, sells the drinking water manufacturing enterprise of low reaches, produces unqualified drinking water and sells the customer, seriously influences consumer health, even leads to the consumer to produce serious disease.
Disclosure of Invention
The invention aims at the defects of the prior art, and provides an automatic detection device and a control method for the external dimension of an active carbon filter element.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an automatic detection device for the outline dimension of an activated carbon filter element comprises a detection assembly and a frame; the detection assembly comprises a lever, a displacement sensor and a detection roller; the lever is arranged along the vertical direction, a lever middle hole is formed in the middle of the lever, and the lever middle hole is connected with the rack through a hinge; the displacement sensor is fixedly arranged at the upper end of the lever, the detection roller is connected at the lower end of the lever through a revolute pair, and the axial lead of the detection roller is horizontally arranged; the distance between the axis of the detection contact of the displacement sensor and the center of the hole in the lever is equal to the distance between the axis of the detection roller and the center of the hole in the lever, and is L=800 mm, namely the distance between one point on the axis of the detection contact of the displacement sensor and the center of the circle of the detection roller, which swings around the center of the hole in the lever, is equal and opposite;
the invention also comprises an inner filter element component; the filter element inner assembly comprises a filter element inner rod, a core inner air claw and three tightening rollers with the same external dimensions, wherein the three tightening rollers are a first tightening roller and two other tightening rollers respectively; the filter element inner rod is vertically arranged, and the upper end of the filter element inner rod is fixedly connected with the frame; the in-core gas claw comprises an in-core gas claw cylinder body and three in-core gas claw bodies, wherein the in-core gas claw cylinder body faces upwards, the in-core gas claw bodies face downwards, and the axial lead of the in-core gas claw is vertically arranged; the in-core gas claw is MHS3-32D type parallel opening and closing gas claw produced by SMC (China) limited company; the three supporting rollers are respectively connected with the three in-core gas claw bodies through revolute pairs, the axial leads of the three supporting rollers are respectively horizontally arranged and have the same height, the three supporting rollers are driven by the in-core gas claw to be mutually far away synchronously, one sides of the rims of the three supporting rollers, which are opposite to the axial leads of the in-core gas claw bodies, respectively press the inner hole surfaces of the activated carbon filter cores, and the axial leads of the in-core gas claw bodies and the axial leads of the inner circles of the cross sections of the tightly supported parts of the activated carbon filter cores are overlapped; the axial lead of the detection roller is the same as the axial lead of the tightening roller, the axial lead of the first tightening roller is parallel to the axial lead of the detection roller and opposite to the wall of the active carbon filter element, and the nearest distance between the first tightening roller and the rim of the detection roller is the actual wall thickness T of the active carbon filter element at the position;
the invention also comprises a detection plate cylinder, wherein the cylinder body of the detection plate cylinder is fixedly connected with the frame, the tail end of a piston rod of the detection plate cylinder is provided with a detection surface, and the detection surface faces away from the cylinder body of the detection plate cylinder; when the piston rod of the detection plate cylinder is completely stretched, the detection contact of the displacement sensor is abutted against the detection surface and a numerical value is detected;
the invention further comprises a spring, one end of the spring is arranged in the spring mounting hole, and the other end of the spring pushes the lever to be positioned above the middle hole of the lever, so that the detection assembly rotates around the middle hole of the lever, and the detection roller is abutted against the outer cylindrical surface of the active carbon filter element.
The invention also includes a lifting assembly; the lifting assembly comprises a lifting air claw and three lifting claws; the lifting gas claw comprises a lifting gas claw cylinder body and three lifting gas claw bodies; the lifting gas claw is arranged right below the gas claw in the core, the axial leads of the lifting gas claw and the lifting gas claw are overlapped, the lifting gas claw cylinder body faces downwards, and the lifting gas claw body faces upwards; the lifting gas claw is MHS3-63D type parallel opening and closing gas claw produced by SMC (China) limited company; the three lifting claws are fixedly connected with three lifting air claw bodies respectively; the lifting claw is provided with a lifting plane facing upwards horizontally and a vertical clamping surface; the three lifting planes of the three lifting gas claw bodies are the same in height, and the three clamping surfaces face to the axial lines of the lifting gas claws respectively; the lower end face of the activated carbon filter element is placed on three lifting planes, and the lifting gas claw drives three clamping surfaces to synchronously translate towards the axial lead of the lifting gas claw, so as to clamp the outer cylindrical surface at the lower end of the activated carbon filter element.
The invention further comprises a servo motor, wherein an output shaft of the servo motor is fixedly connected with the lifting air jaw cylinder body, and the axial lead of the output shaft of the servo motor is coincident with the axial lead of the lifting air jaw.
The invention further comprises a lifting electric cylinder, wherein the shell of the lifting electric cylinder is fixedly connected with the frame, the push rod of the lifting electric cylinder is fixedly connected with the shell of the servo motor, and the lifting electric cylinder drives the servo motor to translate up and down.
The inner filter element assembly further comprises a micro switch, the shell of the micro switch is fixedly connected with the inner air jaw cylinder body in the filter element, the trigger rod of the micro switch is abutted against the inner wall of the activated carbon filter element, and when the end face of the activated carbon filter element is located, the trigger rod leaves the inner wall of the activated carbon filter element and bounces and generates an electric signal.
The filter element inner assembly further comprises a plurality of bull-eye bearings which are respectively embedded into the outer cylindrical surface of the filter element inner rod, and the working spherical surface of the bull-eye bearings is exposed out of the outer cylindrical surface of the filter element inner rod; the distance between the working spherical surface of the bullnose bearing and the inner wall of the active carbon filter element is in the range of zero to two millimeters, the active carbon filter element is prevented from excessively tilting, rolling friction is generated between the working spherical surface of the bullnose bearing and the active carbon filter element, and the friction force is small under the condition of good lubrication and does not prevent the active carbon filter element from moving up and down and rotating.
The invention further comprises an avoidance cylinder, wherein the cylinder body of the avoidance cylinder is fixedly connected with the frame, a piston rod of the avoidance cylinder faces to a position, above the middle hole of the lever, and the avoidance cylinder pushes the lever to enable the detection assembly to rotate around the middle hole of the lever, so that the detection roller is far away from the outer cylindrical surface of the active carbon filter element. The piston rod of the avoidance cylinder is not directly connected with the lever, and the piston rod of the avoidance cylinder is retracted after pushing, so that the piston rod can leave the lever and the movement of the lever is not limited.
The invention further comprises a PLC programmable logic controller, wherein the displacement sensor, the in-core air claw, the micro switch, the lifting air claw, the servo motor, the lifting electric cylinder, the detection plate cylinder and the avoidance cylinder are respectively and electrically connected with the PLC programmable logic controller.
The invention also includes a size correction tube; the size correction pipe is made of steel, is a standard template, has the same outer diameter size, inner diameter size and length as the activated carbon filter element, is high in precision, has hardness and wear resistance much higher than those of the activated carbon filter element, and can be used for correcting the size.
The working process of the invention is as such.
1. The method comprises the steps of manually placing a size correction pipe on three lifting planes, enabling one end face of the size correction pipe to be in contact with the lifting planes, enabling a lifting electric cylinder to drive a lifting air claw, a lifting claw, a servo motor and a combination of the size correction pipe to move upwards in a translation mode, enabling the combination of the air claw, a tightening roller and a micro switch in a core to be located in an inner hole of the size correction pipe, and measuring the standard wall thickness [ T ] of the size correction pipe, wherein the steps refer to the following steps 2 to 9.
The value acquired by the displacement sensor at the moment is defined as zero millimeter; taking the detection roller as a reference, if the detection roller is pushed away from the axial lead of the air claw in the core, the detection contact of the displacement sensor is compressed into the shell of the displacement sensor, and the detection value of the displacement sensor is a positive number; otherwise, if the detection roller moves towards the axial lead of the air jaw in the core, the detection contact of the displacement sensor is released and stretches out of the shell of the displacement sensor, and the detection value of the displacement sensor is negative;
2. the active carbon filter element is manually placed on the three lifting planes and in the space surrounded by the three clamping surfaces, and the downward end face of the active carbon filter element is contacted with the three lifting planes, so that the gas claw, the tightening roller and the micro switch in the unexpanded core are positioned right above the inner hole of the active carbon filter element.
3. The lifting electric cylinder drives the lifting air claw, the lifting claw, the servo motor and the active carbon filter element to translate upwards and lift to the end of the stroke. In the process, the inner rod of the filter element and the bullseye bearing play a guiding role on the active carbon filter element, and if the position deviation of manual placement is too large, the position deviation can be corrected.
4. The lifting electric cylinder drives the lifting air claw, the lifting claw, the servo motor and the active carbon filter element to downwards translate by 600 mm, so that the combination of the air claw, the tightening roller and the micro switch in the core is positioned in the inner hole of the active carbon filter element.
5. The inner core gas claw drives the three supporting rollers to synchronously separate from each other, one side of the rims of the three supporting rollers, which faces away from the axial lead of the inner core gas claw, respectively compresses the inner hole surface of the active carbon filter element, and the axial lead of the inner core gas claw and the axial lead of the inner circle of the cross section of the tightly supported active carbon filter element are overlapped; the trigger rod of the micro switch is abutted against the inner wall of the active carbon filter element and is in a pressed state.
6. The lifting electric cylinder drives the lifting air claw, the lifting claw, the servo motor and the active carbon filter core to downwards translate until a trigger rod of the micro switch leaves the upper end face of the active carbon filter core, the micro switch generates an electric signal, a starting point of a displacement coordinate is found, and the lifting electric cylinder is stopped.
7. The avoidance cylinder releases pushing of the lever, the spring pushes the lever to be located at a position above the middle hole of the lever, the detection assembly rotates around the middle hole of the lever, the detection roller moves towards the activated carbon filter element, the detection roller abuts against the outer cylindrical surface of the activated carbon filter element, the detection roller cannot move continuously when encountering resistance, and the distance between the contact point of the detection roller and the outer cylindrical surface of the activated carbon filter element and the contact point of the first tightening roller and the inner cylindrical surface of the activated carbon filter element is the actual wall thickness T of the activated carbon filter element at the position.
8. The piston rod of the detection plate cylinder is completely stretched out, and the detection contact of the displacement sensor is abutted against the detection surface.
9. The displacement sensor starts to collect data, wherein the data value is the deviation of the actual wall thickness T of the active carbon filter element at the close point of the detection roller relative to the standard wall thickness [ T ], namely the deviation delta T=T [ T ], the measured deviation delta T is positive when the actual wall thickness T is larger than the standard wall thickness [ T ], the measured deviation delta T is zero when the actual wall thickness T is equal to the standard wall thickness [ T ], the measured deviation delta T is negative when the actual wall thickness T is smaller than the standard wall thickness [ T ], and the unit is millimeter.
10. Taking the downward translational displacement S of the detection roller along the outer surface of the active carbon filter element at the moment as an abscissa, taking the deviation value delta T as an ordinate, and establishing a plane rectangular coordinate system; the driving displacement of the lifting electric cylinder is the numerical value of the abscissa;
the lifting electric cylinder drives the lifting air claw, the lifting claw, the servo motor and the active carbon filter element to translate upwards and lift, and the trigger rod of the micro switch is compressed again; until the trigger rod of the micro-switch leaves the lower end face of the active carbon filter element, the micro-switch generates an electric signal, and the lifting electric cylinder stops. The working spherical surface of the bullseye bearing limits the excessive inclination of the active carbon filter element to prevent toppling.
11. The displacement sensor stops collecting data.
12. The piston rod of the detection plate cylinder is completely contracted, so that the detection contact of the displacement sensor is prevented from abutting on the detection surface.
13. The avoidance cylinder pushes the lever, the lever overcomes the thrust of the spring and rotates around the middle hole of the lever, and the detection roller is far away from the outer cylindrical surface of the active carbon filter element.
14. The lifting gas claw drives the three lifting claws to synchronously translate towards the axial lead of the lifting gas claw, and the outer cylindrical surface at the lower end of the activated carbon filter element is clamped.
15. The inner air claw drives the three tightening rollers to synchronously approach each other, and the rims of the three tightening rollers respectively leave the inner hole surface of the active carbon filter element.
16. The servo motor drives the combination of lifting jack catch and active carbon filter core to rotate sixty degrees.
17. Repeating the steps 4 to 16 for five times to obtain six groups of data, wherein the six groups of data are wall thickness data detected along six vertical detection lines uniformly distributed on the wall of the activated carbon filter element. The positions of the lifting claw clamped on the activated carbon filter element and the positions of the six vertical detection lines are staggered in the circumferential direction, the lifting claw is clamped at the position between the two adjacent vertical detection lines, and the detection roller and the lifting claw cannot interfere with each other.
18. The piston rod of the detection plate cylinder is completely contracted, so that the detection contact of the displacement sensor is prevented from abutting on the detection surface.
19. The avoidance cylinder pushes the lever, the lever overcomes the thrust of the spring and rotates around the middle hole of the lever, and the detection roller is far away from the outer cylindrical surface of the active carbon filter element.
20. The lifting electric cylinder drives the lifting air claw, the lifting claw, the servo motor and the active carbon filter element to move downwards to the end of the stroke, so that the inner hole of the active carbon filter element leaves the combination of the air claw, the tightening roller and the micro switch in the core and moves to the upper part of the active carbon filter element.
21. If DeltaT is within a preset [ -1, +1] millimeter interval, the activated carbon filter element is judged to be qualified, otherwise, if a numerical value is not within the interval, the activated carbon filter element is judged to be unqualified.
22. And manually taking down the active carbon filter element, and respectively putting the active carbon filter element into a qualified or unqualified turnover basket according to the judging result.
An automatic control method for the external dimensions of active carbon filter element, which is to manually place the active carbon filter element on the space surrounded by three clamping surfaces on the lifting plane, then start an automatic program, the automatic program comprises the following steps:
s1, the lifting electric cylinder translates upwards to lift to the end of the stroke;
s2, defining an integer K, wherein K=1;
s3, driving the activated carbon filter element to translate downwards by 600 mm by the lifting electric cylinder;
s4, driving a supporting roller to press the surface of an inner hole of the active carbon filter element by an air claw in the core, and pressing down a trigger rod of the micro switch;
s5, driving the activated carbon filter element to translate downwards by the lifting electric cylinder;
s6, the micro switch generates an electric signal;
s7, lifting the electric cylinder to stop;
s8, the avoidance cylinder releases pushing of the lever;
s9, completely expanding a piston rod of the detection plate cylinder;
s10, the displacement sensor starts to collect data;
s11, driving the activated carbon filter element to translate upwards by the lifting electric cylinder, and pressing the trigger rod of the micro switch again;
s12, a trigger rod of the micro switch leaves the lower end face of the active carbon filter element to generate an electric signal;
s13, lifting the electric cylinder to stop;
s14, stopping data acquisition by the displacement sensor;
s15, the piston rod of the detection plate cylinder is contracted;
s16, pushing the lever by the avoidance cylinder;
s17, driving a lifting claw by a lifting gas claw to clamp the lower end of the activated carbon filter element;
s18, driving a supporting roller to leave the inner hole surface of the active carbon filter element by an air claw in the core;
s19, driving the activated carbon filter element to rotate by sixty degrees by a servo motor;
s20, assigning K+1 to K;
s21, if K >6, executing a step S22, otherwise executing a step S3;
s22, the piston rod of the detection plate cylinder is contracted;
s23, pushing the lever by the avoidance cylinder;
s24, driving the activated carbon filter element to move downwards to the end of the stroke by the lifting electric cylinder;
s25, ending the program.
Finally, the active carbon filter element is manually removed.
The beneficial effects of the invention are as follows: the working efficiency is high, the collected data are more, the wall thickness dimension which cannot be measured by the universal measuring tool in the deep hole can be measured, the automation degree is higher, whether the water purifier is qualified or not can be automatically analyzed and judged, the unqualified activated carbon filter element is prevented from flowing into a water purifier production workshop, and unqualified drinking water produced by the water purifier is avoided.
Drawings
FIG. 1 is a full cross-sectional view of an activated carbon cartridge;
FIG. 2 is a schematic three-dimensional structure of embodiment 1 of the present invention;
FIG. 3 is a front view of the detection assembly;
fig. 4 is an enlarged view at a in fig. 2;
FIG. 5 is a schematic three-dimensional view of the components within the cartridge;
FIG. 6 is a schematic three-dimensional structure of a lift assembly;
FIG. 7 is a front view of the lifting dogs;
FIG. 8 is a schematic diagram of the control relationship of the control system according to embodiment 1 of the present invention;
fig. 9 is a schematic diagram of the correction of the zero point size of the present embodiment using a size correction tube;
FIG. 10 is a schematic perspective view of the vertical detection wire being circumferentially offset from the lifting dogs;
fig. 11 is a graph of variation of the deviation value Δt with the displacement S along one vertical detection line 11;
fig. 12 is a schematic process flow diagram of the control method of embodiment 2 of the present invention.
In the figure:
1. an activated carbon filter element; 11. a vertical detection line;
2. a detection assembly; 21. a lever; 22. a displacement sensor; 23. detecting a roller; 24. a lever middle hole;
3. an inner filter element assembly; 31. an inner rod of the filter element; 32. a bullseye bearing; 33. an air claw in the core; 331. a cylinder of an internal pneumatic claw; 332. an air claw body in the core; 341. a first pinch roller; 342. the rest support rollers; 35. a micro-switch;
4. a lifting assembly; 41. lifting the air claw; 411. lifting the gas claw cylinder body; 412. lifting the gas claw body; 42. lifting jack catch; 421. lifting a plane; 422. a clamping surface; 43. a servo motor; 44. lifting the electric cylinder;
5. a detection plate cylinder; 51. a detection surface; 6. a spring; 7. an avoidance cylinder;
8. a frame; 81. a spring mounting hole; 9. a size correcting tube.
Detailed Description
The technical solution of the present invention will be clearly and completely described below by taking a large activated carbon filter cartridge 1 having an outer diameter of 130 mm, an inner diameter of 80 mm and a length of 700 mm as an example with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment 1, an automatic detection device for the outline dimension of an activated carbon filter element, as shown in fig. 1-11, comprises a detection component 2 and a frame 8; the detection assembly 2 comprises a lever 21, a displacement sensor 22 and a detection roller 23; the lever 21 is arranged along the vertical direction, a lever middle hole 24 is arranged in the middle of the lever 21, and the lever middle hole 24 is connected with the frame 8 through a hinge; the displacement sensor 22 is fixedly arranged at the upper end of the lever 21, the detection roller 23 is connected at the lower end of the lever 21 through a revolute pair, and the axial lead of the detection roller 23 is horizontally arranged; the distance between the axis of the contact and the center of the hole 24 in the lever detected by the displacement sensor 22 is equal to the distance between the axis of the detection roller 23 and the center of the hole 24 in the lever, and is l=800 mm, namely the distance between the point on the axis of the contact detected by the displacement sensor 22 and the center of the circle of the detection roller 23 swinging around the hole 24 in the lever is equal and opposite;
as shown in fig. 2 and 5, the present embodiment further includes an in-cartridge assembly 3; the filter element inner assembly 3 comprises a filter element inner rod 31, a core inner air claw 33 and three tightening rollers with the same external dimensions, namely a first tightening roller 341 and two other tightening rollers 342; the filter element inner rod 31 is vertically arranged, and the upper end of the filter element inner rod 31 is fixedly connected with the frame 8; the in-core gas claw 33 comprises an in-core gas claw cylinder 331 and three in-core gas claw bodies 332, the in-core gas claw cylinder 331 faces upwards, the in-core gas claw bodies 332 face downwards, and the axial lead of the in-core gas claw 33 is arranged vertically; the in-core air claw 33 is MHS3-32D type parallel opening and closing air claw manufactured by SMC (China) Limited company; the three tightening rollers are respectively connected with the three in-core air claw bodies 332 through revolute pairs, the axial leads of the three tightening rollers are respectively horizontally arranged and have the same height, the three tightening rollers are driven by the in-core air claw 33 to be synchronously far away from each other, one sides of the rims of the three tightening rollers, which are away from the axial leads of the in-core air claw 33, respectively press the inner hole surface of the activated carbon filter element 1, and the axial leads of the in-core air claw 33 and the axial leads of the inner circles of the cross sections of the tightened parts of the activated carbon filter element 1 are overlapped; the axial lead of the detection roller 23 is the same as the axial lead of the tightening roller, wherein the axial lead of the first tightening roller 341 is parallel to the axial lead of the detection roller 23 and opposite to the wall of the activated carbon filter element 1, and the nearest distance between the first tightening roller 341 and the rim of the detection roller 23 is the actual wall thickness T of the activated carbon filter element 1 at the position;
as shown in fig. 4, the embodiment further comprises a detection plate cylinder 5, wherein the cylinder body of the detection plate cylinder 5 is fixedly connected with the frame 8, the tail end of a piston rod of the detection plate cylinder 5 is provided with a detection surface 51, and the detection surface 51 faces away from the cylinder body of the detection plate cylinder 5; when the piston rod of the detection plate cylinder 5 is fully extended, the detection contact of the displacement sensor 22 is abutted against the detection surface 51 and a numerical value is detected;
as shown in fig. 4, the frame 8 is provided with a spring mounting hole 81, the embodiment further includes a spring 6, one end of the spring 6 is mounted in the spring mounting hole 81, and the other end of the spring 6 pushes the lever 21 to be located above the lever middle hole 24, so that the detection assembly 2 rotates around the lever middle hole 24, and the detection roller 23 abuts against the outer cylindrical surface of the activated carbon filter element 1.
As shown in fig. 2, 6 and 7, the present embodiment further comprises a lifting assembly 4; the lifting assembly 4 comprises a lifting gas claw 41 and three lifting claws 42; the lifting gas claw 41 comprises a lifting gas claw cylinder 411 and three lifting gas claw bodies 412; the lifting gas claw 41 is arranged right below the gas claw 33 in the core, the axial lines of the lifting gas claw 41 and the lifting gas claw 33 are overlapped, the lifting gas claw cylinder 411 faces downwards, and the lifting gas claw body 412 faces upwards; the lifting gas claw 41 is MHS3-63D type parallel opening and closing gas claw produced by SMC (China) limited company; the three lifting claws 42 are fixedly connected with three lifting air claw bodies 412 respectively; the lifting claw 42 is provided with a lifting plane 421 facing upwards horizontally and a vertical clamping surface 422; the three lifting planes 421 of the three lifting gas claw bodies 412 have the same height, and the three clamping surfaces 422 face the axial lines of the lifting gas claws 41 respectively; the lower end face of the activated carbon filter element 1 is placed on the three lifting planes 421, and the lifting gas claw 41 drives the three clamping faces 422 to synchronously translate towards the axis of the lifting gas claw 41, so as to clamp the outer cylindrical surface of the lower end of the activated carbon filter element 1.
The embodiment further comprises a servo motor 43, wherein an output shaft of the servo motor 43 is fixedly connected with the lifting gas claw cylinder 411, and an axial lead of the output shaft of the servo motor 43 is coincident with an axial lead of the lifting gas claw 41.
The embodiment further comprises a lifting electric cylinder 44, wherein a shell of the lifting electric cylinder 44 is fixedly connected with the frame 8, a pushing rod of the lifting electric cylinder 44 is fixedly connected with a shell of the servo motor 43, and the lifting electric cylinder 44 drives the servo motor 43 to translate up and down.
As shown in fig. 5, the in-filter element assembly 3 further includes a micro switch 35, the housing of the micro switch 35 is fixedly connected with the in-core gas claw cylinder 331, a trigger rod of the micro switch 35 abuts against the inner wall of the activated carbon filter element 1, and when the end face of the activated carbon filter element 1 is located, the trigger rod leaves the inner wall of the activated carbon filter element 1 and generates an electrical signal.
The filter element inner assembly 3 further comprises a plurality of bull-eye bearings 32, the bull-eye bearings 32 are respectively embedded into the outer cylindrical surface of the filter element inner rod 31, and the working spherical surface of the bull-eye bearings 32 is exposed out of the outer cylindrical surface of the filter element inner rod 31; the distance between the working sphere of the bullnose bearing 32 and the inner wall of the activated carbon filter element 1 is in the range of zero to two millimeters, the excessive inclination of the activated carbon filter element 1 can be limited, rolling friction between the working sphere and the inner wall is small, the vertical movement and rotation of the activated carbon filter element 1 can not be prevented, and the activated carbon filter element 1 can not be positioned.
As shown in fig. 4, this embodiment further includes an avoidance cylinder 7, the cylinder body and the frame of the avoidance cylinder 7 are fixedly connected, the piston rod of the avoidance cylinder 7 faces the position, above the lever middle hole 24, of the lever 21, and the avoidance cylinder 7 pushes the lever 21, so that the detection assembly 2 rotates around the lever middle hole 24, and the detection roller 23 is far away from the outer cylindrical surface of the activated carbon filter element 1. The piston rod of the avoidance cylinder 7 is not directly connected with the lever 21, and the piston rod of the avoidance cylinder 7 is retracted after pushing, so that the piston rod can leave the lever 21, and the movement of the lever 21 is not limited.
As shown in fig. 8, the present embodiment further includes a PLC programmable logic controller, and the displacement sensor 22, the in-core air jaw 33, the micro switch 35, the lift air jaw 41, the servo motor 43, the lift electric cylinder 44, the detection plate cylinder 5, and the avoidance cylinder 7 are electrically coupled with the PLC programmable logic controller, respectively.
As shown in fig. 9, the present embodiment further includes a size correction tube 9; the size correcting tube 9 is made of steel, is a standard template, has the same outer diameter size, inner diameter size and length as the activated carbon filter element, has higher precision, has higher hardness and wear resistance than the activated carbon filter element 1, and can be used for correcting the size.
The working procedure of this embodiment is as such.
1. The size correction tube 9 is manually placed on three lifting planes 421, one end face of the size correction tube 9 is in contact with the lifting planes 421, and the lifting cylinder 44 drives the lifting air claw 41, the lifting claw 42, the servo motor 43 and the size correction tube 9 to be lifted in a translational manner upwards, so that the combination of the air claw 33, the tightening roller and the micro switch 35 in the core is positioned in the inner hole of the size correction tube 9, and the standard wall thickness [ T ] of the size correction tube 9 is measured, wherein the steps refer to the following steps 2 to 9.
The value acquired by the displacement sensor 22 at this time is defined as zero mm; based on this, if the detection roller 23 is pushed away from the axis of the in-core air jaw 33, the detection contact of the displacement sensor 22 is compressed into its housing, and the detection value of the displacement sensor 22 is positive; conversely, if the detection roller 23 moves toward the axis of the in-core air jaw 33, the detection contact of the displacement sensor 22 is released, protrudes out of the housing thereof, and the detection value of the displacement sensor 22 is negative;
2. the activated carbon filter element 1 is manually placed on the three lifting planes 421 and in the space surrounded by the three clamping surfaces 422, and the downward end surface of the activated carbon filter element 1 is contacted with the three lifting planes 421, so that the undeployed in-core air claw 33, the tightening roller and the micro switch 35 are positioned right above the inner hole of the activated carbon filter element 1.
3. The lifting cylinder 44 drives the combination of the lifting gas claw 41, the lifting claw 42, the servo motor 43 and the activated carbon cartridge 1 to translate upwards to lift to the end of the stroke. In this process, the inner rod 31 and the bullseye bearing 32 play a guiding role on the activated carbon filter element 1, and if the deviation of the manually placed position is too large, the deviation can be corrected.
4. The lifting cylinder 44 drives the combination of lifting gas claw 41, lifting claw 42, servo motor 43 and activated carbon cartridge 1 to translate down 600 mm so that the combination of in-core gas claw 33, tightening roller and micro switch 35 is located within the inner bore of activated carbon cartridge 1.
5. The in-core air claw 33 drives the three supporting rollers to synchronously separate from each other, and one side of the rims of the three supporting rollers, which is opposite to the axial lead of the in-core air claw 33, respectively presses the inner hole surface of the activated carbon filter element 1, and the axial lead of the in-core air claw 33 is coincident with the axial lead of the inner circle of the cross section of the tightly supported part of the activated carbon filter element 1; the trigger lever of the microswitch 35 is abutted against the inner wall of the activated carbon filter element 1 and is in a pressed state.
6. The lifting electric cylinder 44 drives the lifting air claw 41, the lifting claw 42, the servo motor 43 and the activated carbon filter element 1 to downwards translate until the trigger rod of the micro switch 35 leaves the upper end surface of the activated carbon filter element 1, the micro switch 35 generates an electric signal, a starting point of a displacement coordinate is found, and the lifting electric cylinder 44 stops.
7. The avoidance cylinder 7 releases pushing of the lever 21, the spring 6 pushes the lever 21 to be positioned at a position above the middle hole 24 of the lever, so that the detection assembly 2 rotates around the middle hole 24 of the lever, the detection roller 23 moves towards the activated carbon filter element 1, the detection roller 23 is abutted against the outer cylindrical surface of the activated carbon filter element 1, the detection roller 23 can not move continuously when encountering resistance, and the distance between the contact point of the detection roller 23 and the outer cylindrical surface of the activated carbon filter element 1 and the contact point of the opposite first tightening roller 341 and the inner cylindrical surface of the activated carbon filter element 1 is the actual wall thickness T of the activated carbon filter element 1.
8. The piston rod of the detection plate cylinder 5 is fully extended, and the detection contact of the displacement sensor 22 abuts on the detection surface 51.
9. The displacement sensor 22 starts to collect data, which is the deviation of the actual wall thickness T of the activated carbon filter cartridge 1 at the point of abutment of the detection roller 23 with respect to the standard wall thickness T, i.e. the deviation Δt=t [ T ], the measured deviation Δt being a positive number when the actual wall thickness T is greater than the standard wall thickness T, the measured deviation Δt being zero when the actual wall thickness T is equal to the standard wall thickness T, the measured deviation Δt being a negative number when the actual wall thickness T is less than the standard wall thickness T.
10. Taking the displacement S of the detection roller 23 translating downwards along one vertical detection line 11 on the outer surface of the activated carbon filter element 1 at the moment as an abscissa, taking the deviation value delta T as an ordinate, and establishing a plane rectangular coordinate system, wherein a change curve diagram of the deviation value delta T along with the displacement S along one vertical detection line 11 is shown in FIG. 11; the driving displacement of the lifting cylinder 44 is the value of the abscissa;
the lifting electric cylinder 44 drives the lifting air claw 41, the lifting claw 42, the servo motor 43 and the activated carbon filter element 1 to translate upwards and lift, and the trigger rod of the micro switch 35 is compressed again; until the trigger rod of the micro switch 35 leaves the lower end face of the activated carbon filter element 1, the micro switch 35 generates an electric signal, and the lifting electric cylinder 44 stops. The working spherical surface of the bullseye bearing 32 limits the excessive tilting of the activated carbon cartridge 1 to prevent toppling.
The axial center positions of the three supporting rollers are fixed, under the action of the supporting force of the in-core air claw 33, the axial line of the in-core air claw 33 is overlapped with the axial line of the inner circle of the cross section of the part where the activated carbon filter element 1 is supported, the supporting rollers have positive pressure along the radial direction on the surface of the inner circle of the activated carbon filter element 1, and if the curved surface profile of the inner wall of the activated carbon filter element 1 along the vertical detection line 11 has deviation, the first supporting roller 341 is provided with fluctuation parallel to the radial direction of the activated carbon filter element 1 along with the upward movement of the activated carbon filter element 1; neither the bullseye bearing 32 nor the clamping face 422 limit its movement;
the first tightening roller 341 and the detection roller 23 are opposite to each other through the wall of the activated carbon filter element 1, the spring 6 pushes the lever 21 to be positioned above the lever middle hole 24, so that the detection assembly 2 rotates around the lever middle hole 24 by a small amplitude, the detection roller 23 is abutted against the outer cylindrical surface of the activated carbon filter element 1, and if the wall thickness of the activated carbon filter element 1 changes along the vertical detection line 11, the detection roller 23 is expressed as fluctuating along the vertical detection line 11. In summary, the data acquired by the displacement sensor 22 is the deviation of the actual wall thickness T from the standard wall thickness T.
11. The displacement sensor 22 stops collecting data.
12. The piston rod of the detection plate cylinder 5 is fully contracted, ensuring that the detection contact of the displacement sensor 22 does not abut against the detection surface 51.
13. The avoidance cylinder 7 pushes the lever 21, the lever 21 rotates around the lever middle hole 24 against the thrust of the spring 6, and the detection roller 23 is far away from the outer cylindrical surface of the activated carbon filter element 1.
14. The lifting gas claw 41 drives the three lifting claws 42 to synchronously translate towards the axial lead of the lifting gas claw 41, and clamp the outer cylindrical surface at the lower end of the activated carbon filter element 1.
15. The in-core air claw 33 drives the three tightening rollers to synchronously approach each other, and the rims of the three tightening rollers respectively leave the inner hole surface of the activated carbon filter element 1.
16. The servo motor 43 drives the combination of lifting dogs 42 and activated carbon cartridge 1 to rotate sixty degrees.
17. And repeating the steps 4 to 16 for five times to obtain six groups of data, wherein the six groups of data are wall thickness data detected along six vertical detection lines 11 uniformly distributed on the wall of the activated carbon filter element 1. The positions of the lifting claw 42 clamped on the activated carbon cartridge 1 and the positions of the six vertical detection lines 11 are staggered in the circumferential direction, and the lifting claw 42 is clamped between the adjacent two vertical detection lines 11, as shown in fig. 10, so that the detection roller 23 and the lifting claw 42 do not interfere with each other.
18. The piston rod of the detection plate cylinder 5 is fully contracted, ensuring that the detection contact of the displacement sensor 22 does not abut against the detection surface 51.
19. The avoidance cylinder 7 pushes the lever 21, the lever 21 rotates around the lever middle hole 24 against the thrust of the spring 6, and the detection roller 23 is far away from the outer cylindrical surface of the activated carbon filter element 1.
20. The lifting cylinder 44 drives the combination of the lifting air claw 41, the lifting claw 42, the servo motor 43 and the activated carbon filter element 1 to translate downwards to the end of the stroke, so that the inner hole of the activated carbon filter element 1 leaves the combination of the in-core air claw 33, the tightening roller and the micro switch 35 and moves to the upper part of the activated carbon filter element 1.
21. If DeltaT is within a preset [ -1, +1] mm interval, the activated carbon filter element 1 is judged to be acceptable, otherwise, if a numerical value is not within the interval, the activated carbon filter element 1 is judged to be unacceptable.
22. And manually taking down the activated carbon filter element 1, and respectively putting the activated carbon filter element into a qualified or unqualified turnover basket according to the judging result.
In embodiment 2, as shown in fig. 12, an automatic control method for the external dimension of the activated carbon filter element is to manually place the activated carbon filter element 1 on a space surrounded by three clamping surfaces 422 on a lifting plane 421, and then start an automatic program, where the automatic program includes the following steps:
s1, lifting the lifting cylinder 44 to the end of the stroke in an upward translation way;
s2, defining an integer K, wherein K=1;
s3, driving the activated carbon filter element 1 to translate downwards by 600 mm by the lifting electric cylinder 44;
s4, driving a supporting roller by an intra-core air claw 33 to press down the inner hole surface of the active carbon filter element 1, and pressing down a trigger rod of a micro switch 35;
s5, driving the activated carbon filter element 1 to translate downwards by the lifting electric cylinder 44;
s6, generating an electric signal by the micro switch 35;
s7, stopping the lifting electric cylinder 44;
s8, the avoidance cylinder 7 releases pushing of the lever 21;
s9, the piston rod of the detection plate cylinder 5 is completely stretched out;
s10, the displacement sensor 22 starts to collect data;
s11, driving the activated carbon filter element 1 to translate upwards by the lifting electric cylinder 44, and pressing the trigger rod of the micro switch 35 again;
s12, a trigger rod of the micro switch 35 leaves the lower end face of the active carbon filter element 1 to generate an electric signal;
s13, stopping the lifting electric cylinder 44;
s14, stopping collecting data by the displacement sensor 22;
s15, the piston rod of the detection plate cylinder 5 is contracted;
s16, pushing a lever 21 by the avoidance cylinder 7;
s17, lifting gas claws 41 drive lifting claw 42 to clamp the lower end of the activated carbon filter element 1;
s18, driving the tightening roller to leave the inner hole surface of the active carbon filter element 1 by the in-core air claw 33;
s19, driving the activated carbon filter element 1 to rotate by sixty degrees by the servo motor 43;
s20, assigning K+1 to K;
s21, if K >6, executing a step S22, otherwise executing a step S3;
s22, the piston rod of the detection plate cylinder 5 is contracted;
s23, pushing the lever 21 by the avoidance cylinder 7;
s24, driving the activated carbon filter element 1 to move downwards to the stroke end by the lifting electric cylinder 44;
s25, ending the program.
Finally, the activated carbon filter element 1 is manually removed.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the present invention and the equivalent techniques thereof, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An automatic detection device for the outline dimension of an activated carbon filter element comprises a detection component (2) and a frame (8); the method is characterized in that: the detection assembly (2) comprises a lever (21), a displacement sensor (22) and a detection roller (23); the lever (21) is arranged along the vertical direction, a lever middle hole (24) is formed in the middle of the lever (21), and the lever middle hole (24) is connected with the frame (8) through a hinge; the displacement sensor (22) is fixedly arranged at the upper end of the lever (21), the detection roller (23) is connected at the lower end of the lever (21) through a revolute pair, and the axial lead of the detection roller (23) is horizontally arranged; the displacement sensor (22) detects that the distance between the axis of the contact and the center of the center hole (24) of the lever is equal to the distance between the axis of the detection roller (23) and the center of the center hole (24) of the lever;
also comprises an inner filter element component (3); the filter element inner assembly (3) comprises a filter element inner rod (31), a core inner air claw (33) and three tightening rollers with the same external dimensions, wherein the three tightening rollers are a first tightening roller (341) and two other tightening rollers (342) respectively; the filter element inner rod (31) is vertically arranged, and the upper end of the filter element inner rod (31) is fixedly connected with the frame (8); the in-core gas claw (33) comprises an in-core gas claw cylinder body (331) and three in-core gas claw bodies (332), wherein the in-core gas claw cylinder body (331) faces upwards, the in-core gas claw bodies (332) face downwards, and the axial lead of the in-core gas claw (33) is vertically arranged; the three tightening rollers are respectively connected with the three in-core air claw bodies (332) through revolute pairs, the axial leads of the three tightening rollers are respectively horizontally arranged and have the same height, the three tightening rollers are driven by the in-core air claw (33) to synchronously separate from each other, and one sides of the rims of the three tightening rollers, which are opposite to the axial leads of the in-core air claw (33), respectively press the inner hole surfaces of the activated carbon filter element (1); the axial lead of the detection roller (23) is the same as the axial lead of the tightening roller, the axial lead of the first tightening roller (341) is parallel to the axial lead of the detection roller (23) and opposite to the wall of the activated carbon filter element (1) through the wall, and the nearest distance between the first tightening roller (341) and the rim of the detection roller (23) is the actual wall thickness T of the activated carbon filter element (1) at the position;
the device also comprises a detection plate cylinder (5), wherein the cylinder body of the detection plate cylinder (5) is fixedly connected with the frame (8), the tail end of a piston rod of the detection plate cylinder (5) is provided with a detection surface (51), and the detection surface (51) faces away from the cylinder body of the detection plate cylinder (5); when the piston rod of the detection plate cylinder (5) is fully extended, the detection contact of the displacement sensor (22) is abutted against the detection surface (51) and a numerical value is detected;
the machine frame (8) is provided with a spring mounting hole (81), the machine frame further comprises a spring (6), one end of the spring (6) is mounted in the spring mounting hole (81), the other end of the spring (6) pushes the lever (21) to be located at a position above the lever middle hole (24), the detection assembly (2) rotates around the lever middle hole (24), and the detection roller (23) abuts against the outer cylindrical surface of the activated carbon filter element (1).
2. An automatic detection device for the external dimensions of an activated carbon filter element as claimed in claim 1, wherein: further comprising a lifting assembly (4); the lifting assembly (4) comprises a lifting air claw (41) and three lifting claws (42); the lifting gas claw (41) comprises a lifting gas claw cylinder body (411) and three lifting gas claw bodies (412); the lifting gas claw (41) is arranged right below the gas claw (33) in the core, the axial lines of the lifting gas claw and the lifting gas claw are superposed, the lifting gas claw cylinder body (411) faces downwards, and the lifting gas claw body (412) faces upwards; the three lifting claws (42) are respectively and fixedly connected with three lifting gas claw bodies (412); the lifting claw (42) is provided with a lifting plane (421) facing upwards horizontally and a vertical clamping surface (422); the three lifting planes (421) of the three lifting gas claw bodies (412) are the same in height, and the three clamping surfaces (422) face the axial lead of the lifting gas claw (41) respectively; the lower end face of the activated carbon filter element (1) is placed on three lifting planes (421), and the lifting air claw (41) drives three clamping surfaces (422) to synchronously translate towards the axial lead of the lifting air claw (41) so as to clamp the outer cylindrical surface at the lower end of the activated carbon filter element (1).
3. An automatic detection device for the external dimensions of an activated carbon filter element as claimed in claim 2, wherein: the lifting device further comprises a servo motor (43), wherein an output shaft of the servo motor (43) is fixedly connected with the lifting air jaw cylinder body (411), and the axial lead of the output shaft of the servo motor (43) is coincident with the axial lead of the lifting air jaw (41).
4. An automatic detection device for the external dimensions of an activated carbon filter element as claimed in claim 3, wherein: the lifting device is characterized by further comprising a lifting electric cylinder (44), wherein a shell of the lifting electric cylinder (44) is fixedly connected with the frame (8), a pushing rod of the lifting electric cylinder (44) is fixedly connected with a shell of the servo motor (43), and the lifting electric cylinder (44) drives the servo motor (43) to translate up and down.
5. An automatic detection device for the external dimensions of an activated carbon filter element as in claim 4, wherein: the filter element inner assembly (3) further comprises a micro switch (35), the shell of the micro switch (35) is fixedly connected with the inner core gas claw cylinder body (331), a trigger rod of the micro switch (35) is abutted against the inner wall of the activated carbon filter element (1), and when the end face of the activated carbon filter element (1) is located, the trigger rod leaves the inner wall of the activated carbon filter element (1) and generates an electric signal.
6. An automatic detection device for the external dimensions of an activated carbon filter element as in claim 5, wherein: the filter element inner assembly (3) further comprises a plurality of bull-eye bearings (32), the bull-eye bearings (32) are respectively embedded into the outer cylindrical surface of the filter element inner rod (31), and the working spherical surface of each bull-eye bearing (32) is exposed out of the outer cylindrical surface of the filter element inner rod (31).
7. The automatic detection device for the outline dimension of the activated carbon filter element as claimed in claim 6, wherein: the device is characterized by further comprising an avoidance cylinder (7), wherein a cylinder body of the avoidance cylinder (7) is fixedly connected with the frame, a piston rod of the avoidance cylinder (7) faces the position, above a lever middle hole (24), of the lever (21), the avoidance cylinder (7) pushes the lever (21) to enable the detection assembly (2) to rotate around the lever middle hole (24), and the detection roller (23) is far away from the outer cylindrical surface of the activated carbon filter element (1).
8. The automatic detection device for the overall dimension of the activated carbon filter element as claimed in claim 7, wherein: the automatic lifting device is characterized by further comprising a PLC programmable logic controller, wherein the displacement sensor (22), the in-core air claw (33), the micro switch (35), the lifting air claw (41), the servo motor (43), the lifting electric cylinder (44), the detection plate cylinder (5) and the avoidance cylinder (7) are respectively and electrically connected with the PLC programmable logic controller.
9. The automatic detection device for the overall dimension of the activated carbon filter element according to claim 8, wherein: also comprises a size correction tube (9); the size correction pipe (9) is made of steel materials, and the outer diameter size, the inner diameter size and the length of the size correction pipe are respectively the same as those of the activated carbon filter element (1).
10. An automatic control method for the outline dimension of an activated carbon filter element is characterized by comprising the following steps:
s1, lifting an electric lifting cylinder (44) to the end of a stroke in an upward translation way;
s2, defining an integer K, wherein K=1;
s3, driving the activated carbon filter element (1) to translate downwards by 600 mm by the lifting electric cylinder (44);
s4, driving a supporting roller by an air claw (33) in the core to press the inner hole surface of the active carbon filter element (1), and pressing down a trigger rod of the micro switch (35);
s5, driving the activated carbon filter element (1) to translate downwards by the lifting electric cylinder (44);
s6, generating an electric signal by a micro switch (35);
s7, stopping the lifting electric cylinder (44);
s8, the avoidance cylinder (7) releases pushing of the lever (21);
s9, fully expanding a piston rod of the detection plate cylinder (5);
s10, starting data acquisition by a displacement sensor (22);
s11, driving the activated carbon filter element (1) to translate upwards by the lifting electric cylinder (44), and pressing the trigger rod of the micro switch (35) again;
s12, a trigger rod of the micro switch (35) leaves the lower end face of the active carbon filter element (1) to generate an electric signal;
s13, stopping the lifting electric cylinder (44);
s14, stopping collecting data by the displacement sensor (22);
s15, the piston rod of the detection plate cylinder (5) is contracted;
s16, pushing a lever (21) by the avoidance cylinder (7);
s17, driving a lifting claw (41) to clamp the lower end of the activated carbon filter element (1) by a lifting claw (42);
s18, driving a tightening roller to leave the surface of an inner hole of the active carbon filter element (1) by an air claw (33) in the core;
s19, driving the activated carbon filter element (1) to rotate for sixty degrees by the servo motor (43);
s20, assigning K+1 to K;
s21, if K >6, executing a step S22, otherwise executing a step S3;
s22, the piston rod of the detection plate cylinder (5) is contracted;
s23, pushing the lever (21) by the avoidance cylinder (7);
s24, driving the activated carbon filter element (1) to move downwards to the stroke end by the lifting electric cylinder (44);
s25, ending the program.
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