CN112934983A - Automatic transport production line for rolled wheels and control method - Google Patents
Automatic transport production line for rolled wheels and control method Download PDFInfo
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- CN112934983A CN112934983A CN202110156861.9A CN202110156861A CN112934983A CN 112934983 A CN112934983 A CN 112934983A CN 202110156861 A CN202110156861 A CN 202110156861A CN 112934983 A CN112934983 A CN 112934983A
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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
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- 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 transport production line for rolling wheels and a control method, belonging to the technical field of rolling wheel transport, the automatic transport production line comprises a conveying roller way, a deviation correcting device, a material blocking positioning device and a layered screening device, wherein the two sides of the conveying roller way are respectively and oppositely provided with the deviation correcting device, the tail end of the conveying roller way is provided with the material blocking positioning device, the material blocking positioning device is provided with a temperature measuring sensor, the layered screening device is arranged between the deviation correcting device and the material blocking positioning device, and the temperature measuring sensor is electrically connected with the layered screening device through a PLC (programmable logic controller). Ensuring the normal production rhythm.
Description
Technical Field
The invention relates to the technical field of rolled wheel transportation, in particular to an automatic rolled wheel transportation production line and a control method.
Background
After the rolling of the wheel is finished, the wheel needs to be subjected to slow cooling treatment, then tempering and quenching treatment are carried out, a conveying roller way needs to be used for transportation when the rolling of the wheel is finished to the slow cooling process, the conveying roller way drives a speed reducer to rotate through the rotation of a motor, and the speed reducer rotates to drive the roller way to rotate through a chain, so that the wheel on the roller way is driven to move.
During the transport of the wheels, the following problems exist: firstly, the problem of deviation of wheel transportation: because two running roller surfaces at every roll table both ends are coarse and the wearing and tearing volume is different, consequently two running rollers are different with the friction of wheel, lead to the wheel to take place the skew easily in the transportation to lead to wheel one end to fall from the running roller, easily to the roll table axle extrusion deformation between two running rollers, lead to unable normal rotation, must change the roll table axle, cause certain economic loss, and seriously influence on-the-spot production efficiency. Secondly, the problem that low-temperature steel needs manual screening during transportation exists: the wheel heating, rolling and conveying process may have low-temperature steel, if the wheel temperature is lower than a certain temperature, the release of internal stress in the wheel can be influenced in the later slow cooling process, the mechanical property of the wheel is influenced, and the process requirement of slow cooling is not met.
Disclosure of Invention
In order to solve the technical problems, the invention provides the automatic rolling wheel transportation production line which is compact in structure and reasonable in design, so that the problem of faults caused by the fact that wheels deviate in the rolling wheel transportation process is solved, wheels which do not accord with the slow cooling standard and the slow cooling standard can be automatically screened in a layered mode, the labor intensity of workers is reduced, the screening efficiency and accuracy are improved, and the normal production rhythm is guaranteed.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: rolling wheel automatic transportation production line, including rollgang, deviation correcting device, material stopping positioner and layering sieving mechanism, the both sides of rollgang set up relatively respectively deviation correcting device, the end of rollgang sets up material stopping positioner, set up temperature sensor on the material stopping positioner, deviation correcting device with it sets up to keep off between the material positioning device layering sieving mechanism, temperature sensor pass through PLC with the layering sieving mechanism electricity is connected in order to be not conform to slow cooling standard and accord with the wheel layering screening of slow cooling standard and carry.
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, the oil cylinder I is installed at one end of the guide seat, and a piston rod of the oil cylinder I is coaxially connected with the deviation correcting push rod.
Furthermore, a displacement sensor I for detecting the extending distance of a piston rod of the oil cylinder I is installed at the end part of the cylinder body of the oil cylinder I, a distance sensor for detecting the distance between the other end of the guide seat and the outer edge of the wheel is installed 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 deviation head and gyro wheel, the one end of guide bar with the extension end of I piston rod of hydro-cylinder is fixed continuous, the other end of guide bar pass behind the guide block on the guide holder with rectify the head and link to each other, rectify the head and be provided with a plurality of gyro wheels with the contact of wheel outer fringe along its length.
Furthermore, the material blocking positioning device comprises an installation platform, an oil cylinder II, a material blocking push rod and a V-shaped material blocking head, wherein the oil cylinder II is installed at one end of the installation platform, a displacement sensor II for detecting the extending distance of a piston rod of the oil cylinder II is installed at the end part of a cylinder body of the oil cylinder II, and the displacement sensor II is electrically connected with an electromagnetic valve in a control oil path of the oil cylinder II through a PLC (programmable logic controller); the piston rod of hydro-cylinder II passes through keep off the material push rod and link to each other with V-arrangement fender head, temperature sensor is installed to mounting platform's the other end, V-arrangement keeps off the middle part of head and is provided with proximity switch I, proximity switch I with temperature sensor pass through PLC with the layering sieving mechanism electricity is connected.
Further, the layering screening device includes climbing mechanism, removal 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 fixed blanking mechanism climbing mechanism, remove blanking mechanism and fixed blanking mechanism and all include the bearing platform of the rolling wheel of bearing.
Furthermore, the bearing platform comprises a bearing plate, a coaming and elastic return pusher dogs, the coaming for stopping the rolled wheel is connected with the circumferential direction of the bearing plate, a through hole for the rolled wheel to pass through is formed in the center of the bearing plate, and a plurality of elastic return pusher dogs are arranged at intervals in the circumferential direction of the through hole.
Furthermore, the mobile blanking mechanism further comprises a sliding platform and an oil cylinder III, wherein the oil cylinder III is installed at one end of the sliding platform, the other end of the sliding platform is connected with the bearing platform in a sliding mode, and a piston rod of the oil cylinder III is fixedly connected with one side of the bearing platform; the sliding platform is provided with a proximity switch II and a proximity switch III at intervals along the length direction of the sliding platform, the proximity switch II is electrically connected with an electromagnetic valve in a control oil way of the oil cylinder III through a PLC (programmable logic controller) so that a bearing platform of the movable blanking mechanism is positioned under the bearing platform 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 platform of the movable blanking mechanism is positioned outside the bearing platform of the fixed blanking mechanism.
Further, climbing mechanism includes jacking cylinder, displacement sensor III and jacking platform, jacking cylinder's cylinder body one end is connected displacement sensor III is used for detecting the flexible distance of jacking cylinder's piston rod, displacement sensor III through PLC with solenoid valve electricity in jacking cylinder's the control oil circuit links to each other, jacking cylinder's piston rod with jacking platform links to each other.
The automatic conveying control method of the rolled wheels, which is used for the automatic conveying production line of the rolled wheels, comprises the following steps:
1) inputting the outer diameter of a rolled wheel, the distance between two distance sensors, the distance between the distance sensors and the end part of a deviation rectifying 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 through an upper computer, communicating and transmitting data signals through the upper computer and a PLC (programmable logic controller), determining the required extension length of a piston rod of an oil cylinder I when the rolled wheel deviates according to the data signals by the PLC, and determining the extension length of a piston rod of an oil cylinder II and the upward jacking distance of a jacking oil;
2) when the rolled wheels are conveyed on the conveying roller way, the distance sensors detect the wheels and simultaneously detect 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 centers of the rolled wheels are positioned at the center line of the conveying roller way;
3) a piston rod of the oil cylinder II extends out of a set length, when a rolling wheel touches the inner side of the V-shaped material blocking head, the proximity switch I detects a blocking-in-place signal of the rolling wheel, and meanwhile, a 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 oil cylinder to stretch out for a set distance and then return, so that a rolled wheel is jacked for a set distance and then falls back to the movable blanking mechanism, then the PLC controls an oil cylinder III to act, so that the movable blanking mechanism bearing the wheel moves to the outside of the fixed blanking mechanism in place, and then the manipulator grabs the wheel which does not meet the requirements of the slow cooling temperature to a specified position; when the detected temperature is within the set slow cooling temperature range, the piston rod of the PLC control oil cylinder III returns after extending out of the set distance, so that the rolled wheel falls back to the fixed blanking mechanism after being jacked for the set distance, and then the manipulator grabs the wheel meeting the slow cooling temperature requirement to the specified position.
The invention has the beneficial effects that:
1. in the process of transporting the rolling wheels to the next process through the conveying roller way, the rolling wheels which are subjected to conveying deviation are timely corrected through the deviation correcting device, so that the rolling wheels are transported at the center line of the conveying roller way, the rolling wheels can be stopped by the material stopping and positioning device after the rolling wheels are transported to the tail end of the conveying roller way, after the rolling wheels are stopped, the temperature of the rolling wheels is detected by the temperature measuring sensor and transmitted to the PLC, the PLC controls the layered screening device to carry out layered screening and transportation on the wheels which do not accord with the slow cooling standard and accord with the slow cooling standard, the layered screening structure occupies small space on a transportation growth line, automatic layered 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 guaranteed.
2. According to the invention, the deviation rectifying devices are oppositely arranged on two sides of the conveying roller way, the distance between the deviation rectifying devices and the rolling wheels can be detected by the distance sensors on the deviation rectifying devices, the minimum distance between the distance sensors and the rolling wheels is set in the PLC, the detected distance is compared with the set minimum distance, if the distance detected on one side of the conveying roller way is smaller than the set minimum distance, the PLC controls the outward extending distance of the oil cylinder I according to the outer diameter size of the conveyed wheels, and the displacement sensor I feeds back a moving distance signal to the PLC, so that the rolling wheels can be transmitted in the middle of the conveying roller way, the automatic deviation rectifying effect is realized, the deviation rectifying device is suitable for conveying wheels with various specifications, the conveying universality is improved, and the failure rate of wheel conveying is reduced.
3. According to the material blocking and positioning device, the piston rod of the PLC control oil cylinder II extends out of a set distance according to the rolled wheels with different outer diameter sizes, so that the centers of the rolled wheels are positioned at the center of the jacking platform of the jacking mechanism when the rolled wheels are blocked, the jacking of the rolled wheels is more stable, and the reliability of layered screening and conveying of the rolled wheels is improved.
4. The layered screening device comprises a jacking mechanism, a moving blanking mechanism and a fixed blanking mechanism, wherein rolling wheels meeting and not meeting the slow cooling standard can be respectively jacked upwards for a set distance through the jacking mechanism, so that the rolling wheels meeting the slow cooling standard are jacked to the center of a bearing platform of the fixed blanking mechanism, and the rolling wheels not meeting the slow cooling standard are jacked to the center of the bearing platform of the moving blanking mechanism, so that layered screening of the rolling wheels is realized; the mobile blanking mechanism drives the bearing platform to slide on the sliding platform through the oil cylinder III, the in-place position of the bearing platform moving to the outer side of the fixed blanking mechanism is detected through the proximity switch III, wheels which do not accord with the slow cooling standard can be pushed out to the outer side of the fixed blanking mechanism, and therefore the wheels are staggered with the fixed blanking mechanism, grabbing of a manipulator is facilitated, the in-place position of the bearing platform moving to the center of the fixed blanking mechanism is detected through the proximity switch II, the wheels which accord with the slow cooling standard can be upwards jacked to the fixed blanking mechanism through the mobile blanking mechanism, grabbing of the manipulator is facilitated, and layered staggered conveying of rolled wheels is achieved.
In conclusion, the automatic conveying production line is compact in structure and reasonable in design, automatic deviation rectification of rolling wheel conveying is achieved, wheels which do not accord with the slow cooling standard and accord with the slow cooling standard can be automatically screened in a layered mode, automation of rolling wheel conveying 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 expressions in the various figures of the present specification and the labels in the figures 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 an automatic control schematic of the present invention;
the labels in the above figures are: 1. the device comprises a conveying roller way, 2 parts of a deviation correcting device, 21 parts of a guide seat, 22 parts of an oil cylinder I, 23 parts of a deviation correcting push rod, 231 parts of a guide rod, 232 parts of a deviation correcting head, 233 parts of a roller, 24 parts of a displacement sensor I, 25 parts of a distance sensor, 3 parts of a material stopping and positioning device, 31 parts of a mounting platform, 32 parts of an oil cylinder II, 33 parts of a material stopping push rod, 34 parts of a V-shaped material stopping head, 35 parts of a displacement sensor II, 36 parts of a proximity switch I, 4 parts of a layered screening device, 41 parts of a jacking mechanism, 411 parts of a jacking oil cylinder, 412 parts of a displacement sensor III, 413 parts of a jacking platform, 42 parts of a movable blanking mechanism, 421 parts of a bearing platform, 422 parts of a sliding platform, 423 parts of an oil cylinder III, 424 parts of a proximity switch II, 425 parts of.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The specific implementation scheme of the invention is as follows: as shown in fig. 1-4, an automatic transportation production line for rolling wheels comprises a roller conveyor 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 roller conveyor 1 oppositely and used for correcting the rolling wheels with transportation deviation in time so that the rolling wheels are transported at the central line of the roller conveyor 1, the material blocking positioning device 3 is arranged at the tail end of the roller conveyor 1 and used for blocking the rolling wheels, a temperature measuring sensor 5 is arranged on the material blocking positioning device 3 and 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 measuring sensor 5 is electrically connected with the layered screening device 4 through a PLC (programmable logic controller) so as to carry out layered screening and transportation for the wheels which do not accord with slow cooling standards and accord with the slow cooling standards, and the layered screening structure occupies a small space on the transportation growth, and the automatic layered 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.
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 other end of the guide seat 21 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 circuit of the oil cylinder I22 through a PLC, the distance sensor 25 transmits a detected distance signal between the distance and the outer edge of the wheel to the PLC, the PLC compares the detected distance signal with a set minimum distance, and when, the piston rod of the oil cylinder I22 extends out of a set distance, the displacement sensor I24 detects the moving distance of the piston rod of the control oil cylinder I22 and feeds the moving distance back to the PLC, and the PLC controls the electromagnetic valve to be located in the middle position until the detected moving distance is equal to the set distance, so that the position of the piston rod of the oil cylinder I22 is fixed, the position of the deviation rectifying push rod 23 is fixed, and the center of a rolling wheel is located at the center line of the conveying roller way 1.
Specifically, the deviation rectifying push rod 23 comprises a guide rod 231, a deviation rectifying 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 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 deviation rectifying head 232, the deviation rectifying push rod can be connected in a threaded connection or clamping connection mode, the deviation rectifying head 232 is convenient to detach and maintain, the deviation rectifying head 232 is provided with a plurality of rollers 233 which are in contact with the outer edge of a wheel along the length of the deviation rectifying head 232, the rollers 233 are in rolling contact with the outer edge of the wheel, and friction generated by the wheel.
The guide rod 231 is provided with a guide plane along the length direction, the guide block 212 is provided with a guide hole 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 can stretch more stably, and the deviation rectifying process is more stable.
Wherein the head 232 and the guide bar 231 mutually perpendicular of rectifying, the head 232 of rectifying includes straight pole section and slope pole section, the contained angle between the direction of delivery of slope pole section and rollgang 1 is the acute angle, be favorable to rectifying of wheel, straight pole section parallels with the direction of delivery of rollgang 1, can assist the wheel to move one section distance forward, it is more stable to make the process of rectifying, all be provided with outside open-ended mounting groove in straight pole section and the slope pole section, install gyro wheel 233 in the mounting groove, it is more convenient to make the installation of gyro wheel 233 and dismantle.
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 (programmable logic controller), 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 is fed back to move and displace 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 and is in guide sliding fit with, the temperature measuring sensor 5 is installed at the other end of the installing platform 31, a proximity switch I36 is arranged in the middle of the V-shaped material blocking head 34, the proximity switch I36 and the temperature measuring sensor 5 are electrically connected with the layered screening device 4 through a PLC, the type and the sensing distance of the proximity switch I36 can be selected according to the outer diameter of a rolled wheel and the shape and the size of the V-shaped material blocking head 34, the proximity switch I36 can detect a signal that the wheel is blocked in place, meanwhile, the temperature measuring sensor 5 detects the temperature of the wheel to judge whether the wheel meets the slow cooling requirement, and then the PLC controls the layered screening device 4 to perform layered screening action.
In addition, in order to ensure that the oil cylinder II 32 can return accurately after long-time work and prevent the problem of blocking or deflection caused by too large deviation in the jacking of the wheels, a position sensor can be arranged at the position of the mounting platform 31 close to the middle part of the inner side of the V-shaped material blocking head 34.
Specifically, wherein the layering screening device 4 includes climbing mechanism 41, remove 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 and removes blanking mechanism 42 and fixed blanking mechanism 43, fixed blanking mechanism 43 erects to be fixed on rollgang 1, set up climbing mechanism 41 under fixed blanking mechanism 43, remove blanking mechanism 42 and fixed blanking mechanism 43 and all include the bearing platform 421 of the rolling wheel of bearing. The jacking mechanism 41 can respectively jack the rolling wheels meeting the slow cooling standard and the rolling wheels not meeting the slow cooling standard upwards for a set distance, so that the rolling wheels meeting the slow cooling standard are jacked to the center of the supporting platform 421 of the fixed blanking mechanism 43, and the rolling wheels not meeting the slow cooling standard are jacked to the center of the supporting platform 421 of the movable blanking mechanism 42, thereby realizing the layered screening of the rolling wheels.
The supporting platform 421 includes a supporting plate, a surrounding plate and elastic return fingers, the supporting plate is circumferentially connected to the surrounding plate for stopping the rolling wheel, a through hole is formed in the center of the supporting plate, the rolling wheel passes through the through hole, a plurality of elastic return fingers are circumferentially arranged at intervals in the through hole, each elastic finger includes a positioning seat, a finger, a pin shaft and a torsion spring, the positioning seat is fixed on the supporting plate, two sides of the positioning seat are rotatably connected with the pin shaft, the pin shaft is connected with one end of the finger through the torsion spring, the other end of the finger extends out of the center of the through hole, and the plurality of fingers support the wheel. The pusher dog wherein is in the horizontality under the effect of torsional spring under free state, when climbing mechanism 41 pushes up the in-process collision pusher dog that the wheel upwards moved, the pusher dog rotates under the effect of torsional spring and makes the wheel pass through the through-hole smoothly, make the wheel break away from the pusher dog after the wheel upwards jacking a certain distance, the pusher dog resets under the effect of torsional spring, climbing mechanism 41 descends and makes the wheel automatically fall back to bearing platform 421 under the dead weight, make a plurality of elasticity pusher dogs and bearing plate together with the wheel bearing, realized the smooth jacking and the location of wheel.
Specifically, the moving 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 in sliding fit with the guide rails are arranged on two sides of the bottom of the supporting platform 421, sliding connection of the sliding platform 422 and the supporting platform 421 is achieved, a piston rod of the oil cylinder iii 423 is fixedly connected with one side of the supporting platform 421, the oil cylinder iii 423 drives the supporting platform 421 to slide along the length direction of the sliding platform 422 so as to push wheels which do not meet slow cooling requirements to the outer side of the fixed blanking mechanism 6, and grabbing by 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 path of the oil cylinder III 423 through a PLC (programmable logic controller), so that the supporting platform 421 of the movable blanking mechanism 42 is positioned right below the supporting platform 421 of the fixed blanking mechanism 43, wheels meeting the slow cooling standard can be lifted upwards to the fixed blanking mechanism 43 through the movable blanking mechanism 42, and a manipulator can conveniently grab the wheels meeting the slow cooling standard; the proximity switch III 425 is electrically connected with the electromagnetic valve in the control oil path of the oil cylinder III 423 through a PLC (programmable logic controller), so that the supporting platform 421 of the movable blanking mechanism 42 is positioned at the outer side of the supporting platform 421 of the fixed blanking mechanism 43, and wheels which do not accord with the slow cooling standard can be pushed out to the outer side of the fixed blanking mechanism 43, so that the wheels are staggered with the fixed blanking mechanism 43, a manipulator can conveniently grab the wheels which do not accord with the slow cooling standard, and layered staggered conveying of the rolled wheels is realized.
Specifically, the jacking mechanism 41 comprises a jacking oil cylinder 411, a displacement sensor III 412 and a jacking platform 413, one end of the cylinder body of the jacking oil cylinder 411 is connected with the displacement sensor III 412 and used for detecting the telescopic distance of the piston rod of the jacking oil cylinder 411, the displacement sensor III 412 is electrically connected with an electromagnetic valve in a control oil path of the jacking oil cylinder 411 through a PLC, the extension length of the piston rod of the jacking cylinder 411 can be accurately controlled, the piston rod of the jacking cylinder 411 is connected with the jacking platform 413, the rolled wheels are lifted upwards by the lifting platform 413, and in order to improve the supporting strength of the lifting platform 413, the jacking platform 413 consists of two supporting plates and a vertical column connected between the two supporting plates, the center of the outer end surface of the jacking platform 413 is provided with annular anti-skid grains, the friction between the jacking platform 413 and the end face of the wheel can be increased, and the problem that the wheel slides down in the jacking process is solved.
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 magnetic displacement sensors and comprise electronic heads, waveguide tubes and magnetic rings, the electronic heads are installed at the end parts of the cylinder bodies of the oil cylinders, the waveguide tubes are installed on the electronic heads, the magnetic rings are sleeved on the waveguide tubes, insertion holes and installation holes at the end parts of the insertion holes are formed in the centers of piston rods of the oil cylinders, the waveguide tubes extend into the cylinder bodies to be connected with the insertion holes in an insertion mode, the piston rods can slide along the waveguide tubes, the magnetic rings are arranged in the installation holes, the end parts of the installation holes are fixedly connected with one ends of the piston rods through pressing covers, the magnetic rings can be stopped and positioned in the piston.
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 a magnetic field generated by a magnetic ring sleeved on the waveguide tube and used as position change, a strain mechanical wave pulse signal is generated in the waveguide tube due to the magnetostrictive action, the strain mechanical wave pulse signal is transmitted at a fixed sound speed and is detected by the electronic chamber in the electronic head quickly, and the moving distance of the piston rod can be determined highly accurately by measuring the time as 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 electromagnetic valves in the control oil paths of the oil cylinder I22, the oil cylinder II 32, the oil cylinder III 423 and the jacking oil cylinder 411 can be set as three-position four-way reversing valves, and can also be set as proportional control valves, and preferably, the proportional control valves can be used for improving the control precision.
The control method for automatically conveying the rolled wheels by using the automatic rolled wheel conveying production line comprises the following steps:
1) the method comprises the steps that the outer diameter a of a rolled wheel, the distance b between two distance sensors 25, the distance c between the distance sensors 25 and the end part of a deviation rectifying push rod 23, the distance d between the center of a jacking platform 413 and the middle part of the inner side of a V-shaped material stopping head 34, the distance e between the jacking platform 413 and the upper end of a movable blanking mechanism 42 and the distance f between the jacking platform 413 and the upper end of a fixed blanking mechanism 43 are input through an upper computer, data signals are transmitted through communication between the upper computer and a PLC, and the PLC determines that the length of the piston rod of an oil cylinder I22 required to stretch out when the rolled wheel deviates to be the length of the
The extension length of a piston rod of the oil cylinder II 32 is d-a, and the upward jacking distance of the jacking oil cylinder 411 is e or f;
2) during the process of conveying the rolled 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 edge of the wheels, and when the detected distance is up to the set distanceWhen the piston rod is smaller than the set value, the PLC controls the piston rod of the oil cylinder I22 at 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 a rolling wheel is located at the center line of the conveying roller way 1;
3) the piston rod of the oil cylinder II 32 extends out by a set length d-a, when a rolling wheel touches the inner side of the V-shaped material blocking head 34, the proximity switch I36 detects a blocking-in-place signal of the rolling wheel, and meanwhile, the temperature sensor 5 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 oil cylinder 411 to stretch out for a distance c and return, so that a rolled wheel is jacked for a set distance and then falls back to the movable blanking mechanism 42, then the PLC controls an oil cylinder III 423 to act until the proximity switch III 425 detects an in-place signal of the movable blanking mechanism 42, so that the movable blanking mechanism 42 bearing 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 specified position, and then the PLC controls the oil cylinder III 423 to return; when the detected temperature is within the set slow cooling temperature range, the piston rod of the PLC control oil cylinder III 423 returns after extending for a distance d, so that the rolled wheel falls back to the fixed blanking mechanism 43 after being jacked for a set distance, and then the manipulator grabs the wheel meeting the slow cooling temperature requirement to a specified position.
In conclusion, the automatic conveying production line is compact in structure and reasonable in design, automatic deviation rectification of rolling wheel conveying is achieved, wheels which do not accord with the slow cooling standard and accord with the slow cooling standard can be automatically screened in a layered mode, automation of rolling wheel conveying is improved, labor intensity of workers is reduced, screening efficiency and accuracy are improved, and normal production rhythm is guaranteed.
While the foregoing is directed to the principles of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (10)
1. The utility model provides a rolling wheel automatic transportation production line, characterized in that, including rollgang (1), deviation correcting device (2), material blocking positioner (3) and layering sieving mechanism (4), the both sides of rollgang (1) set up relatively respectively deviation correcting device (2), the end of rollgang (1) sets up material blocking positioner (3), set up temperature sensor (5) on material blocking positioner (3), deviation correcting device (2) with set up between material blocking positioner (3) layering sieving mechanism (4), temperature sensor (5) through PLC with layering sieving mechanism (4) electricity is connected in order to be not conform to the slow cooling standard and accord with the wheel layering screening transport of slow cooling standard.
2. The automatic rolling wheel transportation production line according to claim 1, characterized in that: deviation correcting device (2) are including guide holder (21), hydro-cylinder I (22) and deviation rectifying push rod (23), guide holder (21) are fixed one side of rollgang (1), the one end installation of guide holder (21) hydro-cylinder I (22), the piston rod of hydro-cylinder I (22) with deviation rectifying push rod (23) is coaxial continuous.
3. The automatic rolling wheel transport production line according to claim 2, characterized in that: the device comprises a cylinder body I (22), a displacement sensor I (24) for detecting the extending distance of a piston rod of the cylinder I (22) is installed at the end part of the cylinder body of the cylinder I (22), a distance sensor (25) for detecting the distance between the other end of a guide seat (21) and the outer edge of a wheel is installed 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 way of the cylinder I (22) through a PLC.
4. The automatic rolling wheel transport production line according to claim 2, characterized in that: the deviation rectifying push rod (23) comprises a guide rod (231), a deviation rectifying head (232) and rollers (233), one end of the guide rod (231) is fixedly connected with the extending end of the 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 deviation rectifying head (232), and the deviation rectifying head (232) is provided with a plurality of rollers (233) which are in contact with the outer edge of a wheel along the length of the deviation rectifying head (232).
5. The automatic transport production line for rolled wheels according to any one of claims 1 to 4, characterized in that: the material blocking positioning device (3) comprises an installation 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 installed at one end of the installation platform (31), a displacement sensor II (35) for detecting the extending distance of a piston rod of the oil cylinder II (32) is installed at the end part of a cylinder body 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 (programmable logic controller); the piston rod of hydro-cylinder II (32) passes through keep off material push rod (33) and V-arrangement fender stub bar (34) and link to each other, temperature measurement sensor (5) are installed to the other end of mounting platform (31), the middle part that the stub bar (34) were kept off to the V-arrangement is provided with proximity switch I (36), proximity switch I (36) with temperature measurement sensor (5) pass through PLC with the layering sieving mechanism (4) electricity is connected.
6. The rolled wheel automatic transport production line according to claim 5, characterized in that: layering sieving mechanism (4) include climbing mechanism (41), remove 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 to be fixed on rollgang (1), set up under fixed blanking mechanism (43) climbing mechanism (41), remove blanking mechanism (42) and fixed blanking mechanism (43) and all include bearing platform (421) of the rolling wheel of bearing.
7. The rolled wheel automatic transport production line according to claim 6, characterized in that: the bearing platform (421) comprises a bearing plate, a coaming and elastic return pusher dogs, wherein the coaming for stopping the rolled wheel is connected with the bearing plate in the circumferential direction, a through hole for the rolled wheel to pass through is formed in the center of the bearing plate, and a plurality of elastic return pusher dogs are arranged at intervals in the circumferential direction of the through hole.
8. The rolled wheel automatic transport production line according to claim 6, characterized in that: the mobile 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), the other end of the sliding platform (422) is connected with the supporting platform (421) in a sliding mode, and a piston rod of the oil cylinder III (423) is fixedly connected with one side of the supporting platform (421); the sliding platform (422) is provided with a proximity switch II (424) and a proximity switch III (425) at intervals along the length direction of the sliding platform, 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 (programmable logic controller), so that a supporting platform (421) of the movable blanking mechanism (42) is positioned right below the supporting platform (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 supporting platform (421) of the movable blanking mechanism (42) is positioned outside the supporting platform (421) of the fixed blanking mechanism (43).
9. The rolled wheel automatic transport production line according to claim 6, characterized in that: climbing mechanism (41) include jacking cylinder (411), displacement sensor III (412) and jacking platform (413), the cylinder body one end of jacking cylinder (411) is connected displacement sensor III (412) are used for detecting the flexible distance of the piston rod of jacking cylinder (411), displacement sensor III (412) through PLC with solenoid valve electricity in the control oil circuit of jacking cylinder (411) links to each other, the piston rod of jacking cylinder (411) with jacking platform (413) link to each other.
10. An automatic transport control method for a rolled wheel, using the automatic transport production line for a rolled wheel according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
1) the method comprises the following steps that the outer diameter of a rolled wheel, the distance between two distance sensors (25), the distance between the distance sensors (25) and the end part of a deviation rectifying push rod (23), the distance between the center of a jacking platform (413) and the middle part of the inner side of a V-shaped material blocking head (34), the distance between the jacking platform (413) and the upper end of a movable blanking mechanism (42), and the distance between the jacking platform (413) and the upper end of a fixed blanking mechanism (43) are input through an upper computer, data signals are transmitted through the upper computer and a PLC in a communication mode, the PLC determines the required extending length of a piston rod of an oil cylinder I (22) when the rolled wheel deviates according to the data signals, and determines the extending length of a piston rod of an oil cylinder II (32) and the upward jacking distance of a jacking;
2) in the process of conveying the rolled wheels on the conveying roller way (1), a distance sensor (25) 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, a PLC controls a piston rod of an oil cylinder I (22) on the corresponding side of the conveying roller way (1) to extend out of the set distance, and a displacement sensor I (24) feeds back a displacement signal of the piston rod of the oil cylinder I (22) to the PLC, so that the centers of the rolled wheels are located at the center line of the conveying roller way (1);
3) a piston rod of the oil cylinder II (32) extends out by a set length, when a rolling wheel touches the inner side of the V-shaped material blocking head (34), the proximity switch I (36) detects a blocking-in-place signal of the rolling wheel, and meanwhile, the temperature sensor (5) 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 oil cylinder (411) to extend out of a set distance and return, so that a rolled wheel is jacked for the set distance and then falls back to the movable blanking mechanism (42), then the PLC controls an oil cylinder III (423) to act, so that the movable blanking mechanism (42) bearing the wheel moves to the outer side of the fixed blanking mechanism (43) in place, and then the manipulator grabs the wheel which does not meet the requirements of the slow cooling temperature to a specified position; when the detected temperature is within the set slow cooling temperature range, the piston rod of the PLC control oil cylinder III (423) returns after extending out of the set distance, so that the rolled wheel falls back to the fixed blanking mechanism (43) after being jacked for the set distance, and then the manipulator grabs the wheel meeting the slow cooling temperature requirement to the specified position.
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| CN117161198A (en) * | 2023-11-02 | 2023-12-05 | 烟台怡和汽车科技有限公司 | Aluminum plate circulation punching device convenient to collect |
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