CN112934983B - Automatic transport production line for rolling wheels and control method - Google Patents
Automatic transport production line for rolling wheels and control method Download PDFInfo
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- CN112934983B CN112934983B CN202110156861.9A CN202110156861A CN112934983B CN 112934983 B CN112934983 B CN 112934983B CN 202110156861 A CN202110156861 A CN 202110156861A CN 112934983 B CN112934983 B CN 112934983B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title abstract description 27
- 230000007246 mechanism Effects 0.000 claims description 93
- 238000010583 slow cooling Methods 0.000 claims description 45
- 238000006073 displacement reaction Methods 0.000 claims description 39
- 230000000903 blocking effect Effects 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 37
- 238000012216 screening Methods 0.000 claims description 34
- 230000009194 climbing Effects 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 description 18
- 241000282472 Canis lupus familiaris Species 0.000 description 13
- 230000033764 rhythmic process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/002—Piling, unpiling, unscrambling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to an automatic conveying production line of rolling wheels and a control method thereof, belonging to the technical field of conveying of rolling wheels.
Description
Technical Field
The invention relates to the technical field of rolling wheel transportation, in particular to an automatic rolling wheel transportation production line and a control method.
Background
After the wheel rolling is finished, the wheel is subjected to slow cooling treatment, tempering and quenching treatment, and a conveying roller way is required to be used for conveying from the completion of the wheel rolling to the slow cooling process, and is driven to rotate by rotating a motor, and the speed reducer is driven to rotate by rotating a chain, so that the wheel on the roller way is driven to move.
In the process of transporting wheels, there are the following problems: first, the off tracking problem of wheel transportation: because the two rollers at two ends of each roller way are rough in surface and different in abrasion loss, the friction between the two rollers and the wheels is different, so that the wheels are easy to deviate in the transportation process, one end of each wheel is easy to drop from the roller, roller way shafts between the two rollers are easy to squeeze and deform, normal rotation is impossible, the roller way shafts must be replaced, certain economic loss is caused, and the on-site production efficiency is seriously influenced. Secondly, there is the problem that low temperature steel needs manual screening in the transportation: the low-temperature steel can appear in the process of heating, rolling and conveying the wheels, if the temperature of the wheels is lower than a certain temperature, the release of internal stress in the wheels can be influenced in the later slow cooling process, the mechanical properties of the wheels are influenced, the slow cooling process requirements are not met, the traditional operation method is that the temperature in the wheel transportation process is required to be manually measured and observed, when the temperature of the wheels is lower than a certain temperature, the wheels are sometimes required to be screened out for independent slow cooling, tempering and quenching processes after shutdown, and finally related performance index detection is carried out, so that the manual screening of the wheels which do not meet the process requirements is high in labor intensity, poor in screening accuracy and low in efficiency, and the normal production rhythm is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides the automatic transportation production line for the rolling wheels, which is compact in structure and reasonable in design, not only avoids the problem of faults caused by wheel deflection in the transportation process of the rolling wheels, but also can automatically screen the wheels which do not meet the slow cooling standard and meet the slow cooling standard in a layered manner, reduces the labor intensity of workers, improves the screening efficiency and accuracy, and ensures the normal production rhythm.
In order to achieve the above purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: the automatic conveying production line for the rolling wheels comprises a conveying roller way, a deviation correcting device, a material blocking positioning device and a layered screening device, wherein the deviation correcting device is arranged on two sides of the conveying roller way respectively in a relative mode, the material blocking positioning device is arranged at the tail end of the conveying roller way, a temperature measuring sensor is arranged on the material blocking positioning device, the deviation correcting device and the material blocking positioning device are arranged between the material blocking positioning device, and the temperature measuring sensor is electrically connected with the layered screening device through a PLC so as to conduct layered screening and conveying on the wheels which do not meet slow cooling standards and meet slow cooling standards.
Further, the deviation correcting device comprises a guide seat, an oil cylinder I and a deviation correcting push rod, wherein the guide seat is fixed on one side of the conveying roller way, one end of the guide seat is provided with the oil cylinder I, and a piston rod of the oil cylinder I is coaxially connected with the deviation correcting push rod.
Further, a displacement sensor I for detecting the extending distance of a piston rod of the oil cylinder I is arranged at the end part of the cylinder body of the oil cylinder I, a distance sensor for detecting the distance between the guide seat and the outer edge of a wheel is arranged at the other end of the guide seat, and the displacement sensor I and the distance sensor are electrically connected with an electromagnetic valve in a control oil way of the oil cylinder I through a PLC.
Further, the push rod of rectifying includes the guide bar, rectifies first and gyro wheel, the one end of guide bar with the end that stretches out of hydro-cylinder I piston rod links to each other fixedly, the other end of guide bar passes behind the guide block on the guide holder with rectify the first links to each other, rectify the first and be provided with a plurality of gyro wheels that contact with the wheel outer fringe along its length.
Further, the material blocking positioning device comprises a mounting platform, an oil cylinder II, a material blocking push rod and a V-shaped material blocking head, wherein one end of the mounting platform is provided with the oil cylinder II, the end part of the cylinder body of the oil cylinder II is provided with a displacement sensor II for detecting the extending distance of a piston rod of the oil cylinder II, and the displacement sensor II is electrically connected with an electromagnetic valve in a control oil way of the oil cylinder II through a PLC; the piston rod of the oil cylinder II is connected with the V-shaped material blocking head through the material blocking push rod, a temperature measuring sensor is installed at the other end of the installation platform, a proximity switch I is arranged in the middle of the V-shaped material blocking head, and the proximity switch I and the temperature measuring sensor are electrically connected with the layered screening device through a PLC.
Further, layering sieving mechanism includes climbing mechanism, removes blanking mechanism and fixed blanking mechanism, the below of rollgang sets up climbing mechanism, the top of rollgang sets gradually from bottom to top remove blanking mechanism and fixed blanking mechanism, fixed blanking mechanism erects to be fixed on the rollgang, set up under the fixed blanking mechanism climbing mechanism, remove blanking mechanism and fixed blanking mechanism all include the bearing platform of bearing rolling wheel.
Further, the bearing platform comprises a bearing plate, a coaming and elastic return pulling claws, the coaming for stopping the rolling wheel is connected to the periphery of the bearing plate, a through hole for the rolling wheel to pass through is formed in the center of the bearing plate, and a plurality of elastic return pulling claws are arranged at intervals in the periphery of the through hole.
Further, the movable blanking mechanism further comprises a sliding platform and an oil cylinder III, wherein one end of the sliding platform is provided with the oil cylinder III, the other end of the sliding platform is in sliding connection with the bearing table, and a piston rod of the oil cylinder III is fixedly connected with one side of the bearing table; the sliding platform is provided with a proximity switch II and a proximity switch III along the length direction at intervals, the proximity switch II is electrically connected with an electromagnetic valve in a control oil way of the oil cylinder III through a PLC so that a bearing table of the movable blanking mechanism is positioned under the bearing table of the fixed blanking mechanism, and the proximity switch III is electrically connected with the electromagnetic valve in the control oil way of the oil cylinder III through the PLC so that the bearing table of the movable blanking mechanism is positioned outside the bearing table of the fixed blanking mechanism.
Further, the jacking mechanism comprises a jacking oil cylinder, a displacement sensor III and a jacking platform, one end of a cylinder body of the jacking oil cylinder is connected with the displacement sensor III to detect the telescopic distance of a piston rod of the jacking oil cylinder, the displacement sensor III is electrically connected with an electromagnetic valve in a control oil way of the jacking oil cylinder through a PLC, and the piston rod of the jacking oil cylinder is connected with the jacking platform.
An automatic conveying control method for rolling wheels, which uses the automatic conveying production line for the rolling wheels, comprises the following steps:
1) The method comprises the steps that the outer diameter of a rolling wheel, the distance between two distance sensors, the distance between the distance sensors and the end parts of a deviation correcting push rod, the distance between the center of a jacking platform and the middle part of the inner side of a V-shaped material blocking head, the distance between the jacking platform and the upper end of a movable blanking mechanism and the distance between the jacking platform and the upper end of a fixed blanking mechanism are input through an upper computer, data signals are transmitted through communication between the upper computer and a PLC, and the PLC determines the length of a piston rod of an oil cylinder I required to extend when the rolling wheel is deviated according to the data signals, and the extending length of the piston rod of an oil cylinder II and the upward jacking distance of the jacking oil cylinder;
2) In the process of conveying the rolling wheels on the conveying roller way, the distance sensor detects the wheels and simultaneously detects the distance between the wheels and the outer edges of the wheels, when the detected distance is smaller than a set value, the PLC controls the piston rod of the oil cylinder I on the corresponding side of the conveying roller way to extend out of the set distance, and the displacement sensor I feeds back a displacement signal of the piston rod of the oil cylinder I to the PLC so that the center of the rolling wheels is positioned at the center line of the conveying roller way;
3) When the piston rod of the oil cylinder II stretches out for a set length and touches the inner side of the V-shaped retaining head of the rolling wheel, the proximity switch I detects a retaining in-place signal of the rolling wheel, and the temperature sensor detects the temperature of the rolling wheel to judge whether the rolling wheel meets the requirement of slow cooling temperature;
4) When the detected temperature is lower than the set slow cooling temperature, the PLC controls a piston rod of the jacking cylinder to stretch out for a set distance and then return to enable the rolled wheel to fall back to the movable blanking mechanism after being jacked for the set distance, then the PLC controls the cylinder III to act, the movable blanking mechanism for bearing the wheel moves to the outer side of the fixed blanking mechanism in place, and then the mechanical arm grabs the wheel which does not meet the requirement of the slow cooling temperature to a designated position; when the detected temperature is within the set slow cooling temperature range, the piston rod of the PLC control oil cylinder III stretches out for a set distance and returns to the original position, so that the rolled wheel is lifted for a set distance and then falls back onto the fixed blanking mechanism, and then the manipulator grabs the wheel meeting the slow cooling temperature requirement to a specified position.
The beneficial effects of the invention are as follows:
1. according to the invention, during the process of conveying the rolling wheels to the next working procedure through the conveying roller way, the rolling wheels with conveying deviation are corrected in time through the correction device, so that the rolling wheels are conveyed at the center line of the conveying roller way, the rolling wheels can be stopped by the stop positioning device after the rolling wheels are conveyed to the tail end of the conveying roller way, the temperature of the rolling wheels is detected by the temperature sensor and is transmitted to the PLC after the rolling wheels are stopped, the PLC controls the layering screening device to carry out layering screening on the wheels which do not meet the slow cooling standard and meet the slow cooling standard, the layering screening structure occupies small space on a conveying growth line, automatic layering screening of the wheels is realized, the labor intensity of workers is reduced, the screening efficiency and accuracy are improved, and the normal production rhythm is ensured.
2. According to the invention, the distance between the distance sensor on the deviation correcting device and the rolling wheel can be detected by oppositely arranging the deviation correcting devices on two sides of the conveying roller way, the minimum distance between the distance sensor and the rolling wheel is set in the PLC, the detected distance is compared with the set minimum distance, if the detected distance on one side of the conveying roller way is smaller than the set minimum distance, the PLC controls the outwards extending distance of the oil cylinder I according to the outer diameter size of the conveyed wheel, and the displacement sensor I feeds back a moving distance signal to the PLC, so that the rolling wheel can be conveyed in the middle of the conveying roller way, the automatic deviation correcting function is realized, the automatic deviation correcting device is suitable for conveying wheels with various specifications and sizes, the conveying universality is improved, and the failure rate of conveying the wheels is reduced.
3. According to the material blocking positioning device, the piston rod of the PLC control oil cylinder II extends out of the set distance according to the rolling wheels with different outer diameter sizes, so that when the rolling wheels are blocked, the center of the rolling wheels is positioned at the center of the jacking platform of the jacking mechanism, the jacking of the rolling wheels is more stable, and the layered screening and conveying reliability of the rolling wheels is improved.
4. The layered screening device comprises a jacking mechanism, a movable blanking mechanism and a fixed blanking mechanism, wherein rolling wheels which meet the slow cooling standard and rolling wheels which do not meet the slow cooling standard can be respectively jacked upwards by a set distance through the jacking mechanism, so that the rolling wheels which meet the slow cooling standard are jacked to the center of a bearing table of the fixed blanking mechanism, the rolling wheels which do not meet the slow cooling standard are jacked to the center of a bearing table of the movable blanking mechanism, and layered screening of the rolling wheels is realized; the movable blanking mechanism drives the bearing table to slide on the sliding platform through the oil cylinder III, the approach switch III detects the in-place position of the bearing table moving to the outer side of the fixed blanking mechanism, wheels which do not meet the slow cooling standard can be pushed out to the outer side of the fixed blanking mechanism, so that the wheels are staggered with the fixed blanking mechanism, the grabbing of the mechanical arm is facilitated, the approach switch II detects the in-place position of the bearing table moving to the center of the fixed blanking mechanism, the wheels which meet the slow cooling standard can be lifted up to the fixed blanking mechanism by the movable blanking mechanism, the grabbing of the mechanical arm is facilitated, and the layered dislocation conveying of the rolling wheels is realized.
In conclusion, the automatic conveying production line is compact in structure and reasonable in design, automatic deviation correction of conveying of rolling wheels is achieved, wheels which do not meet slow cooling standards and meet slow cooling standards can be automatically screened in a layered mode, automation of conveying of the rolling wheels is improved, labor intensity of workers is reduced, screening efficiency and accuracy are improved, and normal production rhythm is guaranteed.
Drawings
The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic diagram of the automatic control of the present invention;
the labels in the above figures are: 1. roll table, 2, deviation correcting device, 21, guide holder, 22, oil cylinder I, 23, deviation correcting push rod, 231, guide rod, 232, deviation correcting head, 233, idler wheel, 24, displacement sensor I, 25, distance sensor, 3, stop positioning device, 31, mounting platform, 32, oil cylinder II, 33, stop push rod, 34, V-shaped stop head, 35, displacement sensor II, 36, proximity switch I, 4, layering screening device, 41, lifting mechanism, 411, lifting oil cylinder, 412, displacement sensor III, 413, lifting platform, 42, moving blanking mechanism, 421, bearing platform, 422, sliding platform, 423, oil cylinder III, 424, proximity switch II, 425, proximity switch III, 43, fixed blanking mechanism, 5, temperature sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The specific embodiment of the invention is as follows: as shown in fig. 1 to 4, an automatic transportation production line for rolling wheels comprises a conveying roller way 1, a deviation correcting device 2, a material blocking positioning device 3 and a layered screening device 4, wherein the deviation correcting device 2 is respectively arranged on two sides of the conveying roller way 1 in a relative mode and is used for correcting the rolling wheels with conveying deviation in time, so that the rolling wheels are transported at the center line of the conveying roller way 1, the material blocking positioning device 3 is arranged at the tail end of the conveying roller way 1, the material blocking positioning device 3 is used for blocking the rolling wheels, a temperature sensor 5 is arranged on the material blocking positioning device 3 and is used for detecting the temperature of the rolling wheels, the layered screening device 4 is arranged between the deviation correcting device 2 and the material blocking positioning device 3, the temperature sensor 5 is electrically connected with the layered screening device 4 through a PLC to conduct layered screening on the wheels which do not meet slow cooling standards and meet the slow cooling standards, the layered screening structure occupies small space on a transportation growth line, automatic layered screening of the wheels is achieved, the labor intensity of workers is reduced, the screening efficiency and the normal production rhythm is ensured.
Specifically, the deviation correcting device 2 comprises a guide seat 21, an oil cylinder I22 and a deviation correcting push rod 23, the guide seat 21 is fixed on one side of the conveying roller way 1, the oil cylinder I22 is installed at one end of the guide seat 21, a piston rod of the oil cylinder I22 is coaxially connected with the deviation correcting push rod 23 through a flange surface, a displacement sensor I24 for detecting the extending distance of the piston rod of the oil cylinder I22 is installed at the end part of a cylinder body of the oil cylinder I22, a distance sensor 25 for detecting the distance between the piston rod of the oil cylinder I22 and the outer edge of a wheel is installed at the other end of the guide seat 21, the displacement sensor I24 and the distance sensor 25 are electrically connected with an electromagnetic valve in a control oil way of the oil cylinder I22 through a PLC, the distance sensor 25 transmits a detected distance signal between the outer edge of the wheel and the outer edge of the PLC to the set minimum distance, when the detected distance signal is smaller than the set minimum distance, the PLC controls the piston rod action of the oil cylinder I22 according to the outer diameter and the distance signal of a rolled wheel, the piston rod of the oil cylinder I22 extends out to the set distance, the displacement sensor I24 detects the distance of the piston rod of the control oil cylinder I22 and feeds back the distance to the PLC until the detected moving distance is equal to the set distance between the detected moving distance and the detected distance is the distance between the piston rod and the piston rod I and the outer edge of the wheel is located at the center of the roller way 1.
Specifically, the correcting push rod 23 comprises a guide rod 231, a correcting head 232 and a roller 233, one end of the guide rod 231 is fixedly connected with the extending end of the piston rod of the oil cylinder I22, the other end of the guide rod 231 penetrates through a guide block on the guide seat 21 and then is detachably connected with the correcting head 232, the correcting head 232 can be conveniently detached and maintained in a threaded connection or clamping connection mode, a plurality of rollers 233 in contact with the outer edges of the wheels are arranged along the length of the correcting head 232, the rollers 233 are in rolling contact with the outer edges of the wheels, and friction generated in the conveying process of the wheels is reduced.
The guide rod 231 is provided with a guide plane along the length direction of the guide rod 231, the guide block 212 is internally provided with a guide hole which is in sliding fit with the guide rod 231, and the guide plane prevents the guide rod 231 from rotating in the guide hole, so that the guide rod 231 stretches and contracts more stably, and the deviation rectifying process is more stable.
The deviation correcting head 232 and the guide rod 231 are mutually perpendicular, the deviation correcting head 232 comprises a straight rod section and an inclined rod section, an included angle between the inclined rod section and the conveying direction of the conveying roller way 1 is an acute angle, deviation correction of wheels is facilitated, the straight rod section is parallel to the conveying direction of the conveying roller way 1, the wheels can be assisted to move forwards for a certain distance, the deviation correcting process is enabled to be more stable, installing grooves with outer openings are formed in the straight rod section and the inclined rod section, and idler wheels 233 are installed in the installing grooves, so that the idler wheels 233 are more convenient to install and detach.
Specifically, the material blocking positioning device 3 comprises a mounting platform 31, an oil cylinder II 32, a material blocking push rod 33 and a V-shaped material blocking head 34, wherein the oil cylinder II 32 is mounted at one end of the mounting platform 31, a displacement sensor II 35 for detecting the extending distance of a piston rod of the oil cylinder II 32 is mounted at the end part of a cylinder body of the oil cylinder II 32, the displacement sensor II 35 is electrically connected with an electromagnetic valve in a control oil path of the oil cylinder II 32 through a PLC, the PLC can control the extending length of the piston rod of the oil cylinder II 32 according to the outer diameter of a rolling wheel and a corresponding control program, the piston rod of the oil cylinder II 32 moves and moves, the piston rod of the oil cylinder II 32 is in movable displacement through the displacement sensor II 35, the piston rod of the oil cylinder II 32 is detachably connected with the V-shaped material blocking head 34 through the material blocking push rod 33, a guide block is arranged on the mounting platform 31, the guide block and the material blocking push rod 33 are in guide sliding fit, a temperature sensor 5 is mounted at the other end of the mounting platform 31, the middle part of the V-shaped material blocking head 34 is provided with a proximity switch I36, the proximity switch I36 and the temperature sensor 5 are electrically connected with the layered screening device 4 through the PLC, the outer diameter of the rolling wheel and the corresponding control program, the temperature sensor I and the temperature sensor I can detect the size of the rolling wheel and the rolling wheel according to the measured size of the temperature sensor I, and the size of the temperature sensor I can be controlled to the outer diameter of the rolling wheel and the temperature sensor 4, and the temperature sensor I can be detected and the size of the rolling wheel is matched with the model of the model 4, and the model of the rolling wheel is required to be detected.
In addition, in order to ensure that the oil cylinder II 32 returns accurately after long-time operation and prevent the problem of blockage or deflection caused by too large deviation in the lifting of the wheels, a position sensor can be arranged at the position of the mounting platform 31, which is close to the middle part of the inner side of the V-shaped material blocking head 34.
Specifically, the layering screening device 4 comprises a jacking mechanism 41, a movable blanking mechanism 42 and a fixed blanking mechanism 43, wherein the jacking mechanism 41 is arranged below the conveying roller table 1, the movable blanking mechanism 42 and the fixed blanking mechanism 43 are sequentially arranged above the conveying roller table 1 from bottom to top, the fixed blanking mechanism 43 is erected and fixed on the conveying roller table 1, the jacking mechanism 41 is arranged right below the fixed blanking mechanism 43, and the movable blanking mechanism 42 and the fixed blanking mechanism 43 all comprise a bearing table 421 for bearing rolling wheels. The jacking mechanism 41 can respectively jack up the rolling wheels which meet the slow cooling standard and the rolling wheels which do not meet the slow cooling standard by a set distance, so that the rolling wheels which meet the slow cooling standard are jacked up to the center of the bearing table 421 of the fixed blanking mechanism 43, the rolling wheels which do not meet the slow cooling standard are jacked up to the center of the bearing table 421 of the movable blanking mechanism 42, and layered screening of the rolling wheels is realized.
The bearing table 421 comprises a bearing plate, coamings and elastic return pusher dog, the circumferential direction of the bearing plate is connected with the coamings for stopping the rolling wheels, the center of the bearing plate is provided with a through hole for the rolling wheels to pass through, a plurality of elastic return pusher dogs are arranged at intervals in the circumferential direction of the through hole, each elastic pusher dog comprises a positioning seat, a pusher dog, a pin shaft and a torsion spring, the positioning seats are fixed on the bearing plate, two sides of the positioning seats are rotationally connected with the pin shaft, the pin shaft is connected with one end of the pusher dog through the torsion spring, the other end of the pusher dog extends out of the center of the through hole, and the plurality of pusher dogs support the wheels. The pusher dog is in a horizontal state in a free state under the action of the torsion spring, when the jacking mechanism 41 collides with the pusher dog in the process of upwards moving the wheels against the wheels, the pusher dog rotates under the action of the torsion spring to enable the wheels to smoothly pass through the through holes, the wheels are separated from the pusher dog after upwards jacking for a certain distance, the pusher dog is reset under the action of the torsion spring, the jacking mechanism 41 descends to enable the wheels to automatically fall back onto the supporting table 421 under the self weight, and a plurality of elastic pusher dogs and the supporting plates support the wheels together, so that the wheels can be smoothly jacked and positioned.
Specifically, the movable blanking mechanism 42 further comprises a sliding platform 422 and an oil cylinder III 423, the oil cylinder III 423 is installed at one end of the sliding platform 422, guide rails are respectively arranged on two sides of the other end of the sliding platform 422 along the length direction of the sliding platform, guide grooves which are in sliding fit with the guide rails are arranged on two sides of the bottom of the bearing platform 421, sliding connection of the sliding platform 422 and the bearing platform 421 is achieved, a piston rod of the oil cylinder III 423 is fixedly connected with one side of the bearing platform 421, and the bearing platform 421 is driven to slide along the length direction of the sliding platform 422 through the oil cylinder III 423 so as to push wheels which do not meet slow cooling requirements to the outer side of the fixed blanking mechanism 6, so that the grabbing of a manipulator is facilitated.
The sliding platform 422 is provided with a proximity switch II 424 and a proximity switch III 425 at intervals along the length direction, the proximity switch II 424 is electrically connected with an electromagnetic valve in a control oil way of the oil cylinder III 423 through a PLC, so that a bearing table 421 of the movable blanking mechanism 42 is positioned right below the bearing table 421 of the fixed blanking mechanism 43, wheels meeting the slow cooling standard can be lifted up to the fixed blanking mechanism 43 from the movable blanking mechanism 42, and a mechanical arm can conveniently grasp the wheels meeting the slow cooling standard; the proximity switch III 425 is electrically connected with the electromagnetic valve in the control oil way of the oil cylinder III 423 through the PLC, so that the bearing table 421 of the movable blanking mechanism 42 is positioned at the outer side of the bearing table 421 of the fixed blanking mechanism 43, and wheels which do not meet the slow cooling standard can be pushed out of the fixed blanking mechanism 43, so that the wheels which do not meet the slow cooling standard are staggered with the fixed blanking mechanism 43, the wheels which do not meet the slow cooling standard are conveniently grabbed by a mechanical arm, and layered dislocation conveying of the rolled wheels is realized.
Specifically, the lifting mechanism 41 includes a lifting cylinder 411, a displacement sensor iii 412 and a lifting platform 413, one end of a cylinder body of the lifting cylinder 411 is connected with the displacement sensor iii 412 for detecting a telescopic distance of a piston rod of the lifting cylinder 411, the displacement sensor iii 412 is electrically connected with an electromagnetic valve in a control oil path of the lifting cylinder 411 through a PLC, the extension length of the piston rod of the lifting cylinder 411 can be accurately controlled, the piston rod of the lifting cylinder 411 is connected with the lifting platform 413, a rolling wheel is lifted upwards through the lifting platform 413, in order to improve the supporting strength of the lifting platform 413, the lifting platform 413 is composed of two supporting plates and a column connected between the two supporting plates, an annular anti-slip line is arranged at the center of an outer end face of the lifting platform 413, friction force between the lifting platform 413 and a wheel end face can be increased, and the problem that the wheel slides in the lifting process is prevented.
In addition, the displacement sensor I24, the displacement sensor II 35 and the displacement sensor III 412 have the same structure and can be set as magneto displacement sensors, and the magneto displacement sensors comprise an electronic head, a waveguide tube and a magnetic ring, wherein the electronic head is arranged at the end part of a cylinder body of the oil cylinder, the waveguide tube is arranged on the electronic head, the magnetic ring is sleeved on the waveguide tube, the center of a piston rod of the oil cylinder is provided with a plug hole and a mounting hole at the end part of the piston rod, the waveguide tube stretches into the cylinder body to be connected with the plug hole in a plug manner, the piston rod can slide along the waveguide tube, the magnetic ring is arranged in the mounting hole, the end part of the mounting hole is fixedly connected with one end of the piston rod through a gland, the magnetic ring can be blocked and positioned in the piston rod, and one end of the piston rod of the magnetic ring and the oil cylinder is fixedly connected.
The displacement detection principle of the displacement sensor is as follows: the electronic chamber in the electronic head generates current pulse, the current pulse is transmitted in the waveguide tube, so that a circumferential magnetic field is generated outside the waveguide tube, when the magnetic field is intersected with the magnetic field generated by the magnetic ring sleeved on the waveguide tube as a position change, a strain mechanical wave pulse signal is generated in the waveguide tube under the action of magnetostriction, the strain mechanical wave pulse signal is transmitted at a fixed sound speed and is quickly detected by the electronic chamber in the electronic head, and the moving distance of the piston rod can be determined with high accuracy by measuring the time because the transmission time of the strain mechanical wave pulse signal in the waveguide tube is in direct proportion to the distance between the magnetic ring and the electronic chamber.
In addition, the solenoid valves in the control oil paths of the oil cylinder i 22, the oil cylinder ii 32, the oil cylinder iii 423 and the jacking oil cylinder 411 may be configured as three-position four-way reversing valves, and may also be configured as proportional control valves, and preferably, the control accuracy may be improved by using the proportional control valves.
The control method for automatically conveying the rolling wheels by using the rolling wheel automatic conveying production line comprises the following steps of:
1) The outer diameter a of the rolling wheel, the distance b between the two distance sensors 25, the distance c between the distance sensors 25 and the end part of the deviation correcting push rod 23, the distance d between the center of the jacking platform 413 and the middle part of the inner side of the V-shaped material blocking head 34, the distance e between the jacking platform 413 and the upper end of the movable blanking mechanism 42 and the distance f between the jacking platform 413 and the upper end of the fixed blanking mechanism 43 are input through an upper computer, data signals are transmitted through the upper computer and the PLC, and the PLC determines that the length of the extension required by the piston rod of the oil cylinder I22 when the rolling wheel deviates according to the data signals is
The extension length of the piston rod of the oil cylinder II 32 is d-a, and the upward lifting distance of the lifting oil cylinder 411 is e or f;
2) In the process of conveying the rolling wheels on the conveying roller way 1, the distance sensor 25 detects the wheels and simultaneously detects the distance between the wheels and the outer edges of the wheels, and when the detected distance is smaller than a set value, the PLC controls the piston rod of the oil cylinder I22 on the corresponding side of the conveying roller way 1 to extend out
The displacement sensor I24 feeds back a displacement signal of a piston rod of the oil cylinder I22 to the PLC, so that the center of the rolling wheel is positioned at the center line of the conveying roller way 1;
3) When the piston rod of the oil cylinder II 32 extends out by a set length d-a and the rolling wheel touches the inner side of the V-shaped retaining head 34, the proximity switch I36 detects a retaining signal of the rolling wheel, and the temperature sensor 5 detects the temperature of the rolling wheel to judge whether the rolling wheel meets the slow cooling temperature requirement;
4) When the detected temperature is lower than the set slow cooling temperature, the PLC controls the piston rod of the jacking cylinder 411 to stretch out for a distance c and then return, so that the rolled wheel is jacked for a set distance and then falls back onto the movable blanking mechanism 42, then the PLC controls the cylinder III 423 to act until the proximity switch III 425 detects a in-place signal of the movable blanking mechanism 42, so that the movable blanking mechanism 42 carrying the wheel moves to the outer side of the fixed blanking mechanism 43 in place, then the manipulator grabs the wheel which does not meet the slow cooling temperature requirement to a designated position, and then the PLC controls the cylinder III 423 to return; when the detected temperature is within the set slow cooling temperature range, the piston rod of the PLC control cylinder III 423 returns after extending out by the distance d, so that the rolled wheel is lifted by the set distance and falls back onto the fixed blanking mechanism 43, and then the manipulator grabs the wheel meeting the slow cooling temperature requirement to the designated position.
In conclusion, the automatic conveying production line is compact in structure and reasonable in design, automatic deviation correction of conveying of rolling wheels is achieved, wheels which do not meet slow cooling standards and meet slow cooling standards can be automatically screened in a layered mode, automation of conveying of the rolling wheels is improved, labor intensity of workers is reduced, screening efficiency and accuracy are improved, and normal production rhythm is guaranteed.
The foregoing is provided by way of illustration of the principles of the present invention, and is not intended to be limited to the specific constructions and applications illustrated herein, but rather to all modifications and equivalents which may be utilized as fall within the scope of the invention as defined in the claims.
Claims (8)
1. The automatic conveying production line for the rolling wheels is characterized by comprising a conveying roller way (1), a deviation correcting device (2), a material blocking positioning device (3) and a layered screening device (4), wherein the deviation correcting device (2) is arranged on two sides of the conveying roller way (1) respectively in a relative mode, the material blocking positioning device (3) is arranged at the tail end of the conveying roller way (1), a temperature measuring sensor (5) is arranged on the material blocking positioning device (3), the layered screening device (4) is arranged between the deviation correcting device (2) and the material blocking positioning device (3), and the temperature measuring sensor (5) is electrically connected with the layered screening device (4) through a PLC so as to carry the wheels which do not meet slow cooling standards and meet slow cooling standards in a layered screening mode;
layering sieving mechanism (4) are including climbing mechanism (41), removal blanking mechanism (42) and fixed blanking mechanism (43), the below of rollgang (1) sets up climbing mechanism (41), the top of rollgang (1) sets gradually from bottom to top remove blanking mechanism (42) and fixed blanking mechanism (43), fixed blanking mechanism (43) erect and fix on rollgang (1), set up under fixed blanking mechanism (43) climbing mechanism (41), remove blanking mechanism (42) and fixed blanking mechanism (43) all include bearing platform (421) of bearing rolling wheel.
2. The automatic transportation line for rolled wheels according to claim 1, characterized in that: the correcting device (2) comprises a guide seat (21), an oil cylinder I (22) and a correcting push rod (23), wherein the guide seat (21) is fixed on one side of the conveying roller way (1), one end of the guide seat (21) is provided with the oil cylinder I (22), and a piston rod of the oil cylinder I (22) is coaxially connected with the correcting push rod (23).
3. The automatic transportation line for rolled wheels according to claim 2, characterized in that: the displacement sensor I (24) for detecting the extending distance of a piston rod of the oil cylinder I (22) is arranged at the end part of the cylinder body of the oil cylinder I (22), the distance sensor (25) for detecting the distance between the guide seat (21) and the outer edge of a wheel is arranged at the other end of the guide seat, and the displacement sensor I (24) and the distance sensor (25) are electrically connected with an electromagnetic valve in a control oil circuit of the oil cylinder I (22) through a PLC.
4. The automatic transportation line for rolled wheels according to claim 2, characterized in that: the correcting push rod (23) comprises a guide rod (231), a correcting head (232) and rollers (233), one end of the guide rod (231) is fixedly connected with the extending end of a piston rod of the oil cylinder I (22), the other end of the guide rod (231) penetrates through a guide block on the guide seat (21) and then is connected with the correcting head (232), and the correcting head (232) is provided with a plurality of rollers (233) in contact with the outer edges of wheels along the length of the correcting head.
5. The automatic transportation line for rolling wheels according to any one of claims 1 to 4, characterized in that: the material blocking positioning device (3) comprises a mounting platform (31), an oil cylinder II (32), a material blocking push rod (33) and a V-shaped material blocking head (34), wherein one end of the mounting platform (31) is provided with the oil cylinder II (32), the end part of a cylinder body of the oil cylinder II (32) is provided with a displacement sensor II (35) for detecting the extending distance of a piston rod of the oil cylinder II (32), and the displacement sensor II (35) is electrically connected with an electromagnetic valve in a control oil way of the oil cylinder II (32) through a PLC; the piston rod of the oil cylinder II (32) is connected with a V-shaped material blocking head (34) through a material blocking push rod (33), a temperature measuring sensor (5) is installed at the other end of the installation platform (31), a proximity switch I (36) is arranged in the middle of the V-shaped material blocking head (34), and the proximity switch I (36) and the temperature measuring sensor (5) are electrically connected with the layered screening device (4) through a PLC.
6. The automatic transportation line for rolled wheels according to claim 1, characterized in that: the bearing table (421) comprises a bearing plate, a coaming and elastic return pulling claws, the coaming for stopping the rolling wheel is connected in the circumferential direction of the bearing plate, a through hole for the rolling wheel to pass through is formed in the center of the bearing plate, and a plurality of elastic return pulling claws are arranged at intervals in the circumferential direction of the through hole.
7. The automatic transportation line for rolled wheels according to claim 1, characterized in that: the movable blanking mechanism (42) further comprises a sliding platform (422) and an oil cylinder III (423), wherein the oil cylinder III (423) is arranged at one end of the sliding platform (422), the other end of the sliding platform (422) is in sliding connection with the bearing table (421), and a piston rod of the oil cylinder III (423) is fixedly connected with one side of the bearing table (421); the sliding platform (422) is provided with a proximity switch II (424) and a proximity switch III (425) along the length direction of the sliding platform at intervals, the proximity switch II (424) is electrically connected with an electromagnetic valve in a control oil way of the oil cylinder III (423) through a PLC so that a bearing table (421) of the movable blanking mechanism (42) is positioned under the bearing table (421) of the fixed blanking mechanism (43), and the proximity switch III (425) is electrically connected with the electromagnetic valve in the control oil way of the oil cylinder III (423) through the PLC so that the bearing table (421) of the movable blanking mechanism (42) is positioned outside the bearing table (421) of the fixed blanking mechanism (43).
8. The automatic transportation line for rolled wheels according to claim 1, characterized in that: the lifting mechanism (41) comprises a lifting oil cylinder (411), a displacement sensor III (412) and a lifting platform (413), wherein one end of a cylinder body of the lifting oil cylinder (411) is connected with the displacement sensor III (412) to detect the telescopic distance of a piston rod of the lifting oil cylinder (411), the displacement sensor III (412) is electrically connected with an electromagnetic valve in a control oil circuit of the lifting oil cylinder (411) through a PLC, and the piston rod of the lifting oil cylinder (411) is connected with the lifting platform (413).
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| CN202110156861.9A CN112934983B (en) | 2021-02-04 | 2021-02-04 | Automatic transport production line for rolling wheels and control method |
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| JP3008758B2 (en) * | 1993-12-06 | 2000-02-14 | 三菱自動車工業株式会社 | Tire transfer device |
| CN101337622B (en) * | 2008-08-12 | 2010-05-12 | 三角轮胎股份有限公司 | Pushing-out type rapid shunting device for tyres |
| CN101337224A (en) * | 2008-08-12 | 2009-01-07 | 三角轮胎股份有限公司 | Shutter tire roller tire graded conveyer device |
| KR101026198B1 (en) * | 2008-12-01 | 2011-04-01 | 한국타이어 주식회사 | Destacker for tire shipment work |
| WO2018225150A1 (en) * | 2017-06-06 | 2018-12-13 | 三菱重工機械システム株式会社 | Tire transport device, tire testing system comprising same, and tire transport method |
| CN207030357U (en) * | 2017-06-13 | 2018-02-23 | 中信戴卡股份有限公司 | A kind of wheel hub transfer matic pendulum-type distributor |
| CN207671248U (en) * | 2017-12-29 | 2018-07-31 | 中信戴卡股份有限公司 | A kind of wheel part flow arrangement |
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