CN115214825B - Rotary logistics channel based on automatic motor control and control method thereof - Google Patents
Rotary logistics channel based on automatic motor control and control method thereof Download PDFInfo
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- CN115214825B CN115214825B CN202210162669.5A CN202210162669A CN115214825B CN 115214825 B CN115214825 B CN 115214825B CN 202210162669 A CN202210162669 A CN 202210162669A CN 115214825 B CN115214825 B CN 115214825B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/022—Transferring or handling sub-units or components, e.g. in work stations or between workstations and transportation systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
- H02P1/40—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor in either direction of rotation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a rotary logistics channel based on automatic motor control, which comprises a switch control unit, a programmable controller, a frequency converter and a flap mechanism, wherein a pair of flap mechanisms are symmetrically arranged on two sides of the top edge of a pit, and each flap mechanism comprises a main body base, a driving assembly, a flap connecting plate and a flap. This rotary type logistics channel based on motor automatic control can solve among the prior art effectively, current lift platform's pit foundation subsides and influences lift platform levelness, and the platform of slope has the interference with the pit wall easily in the lift process, and lift platform and ground's seam fall is too big, and the vibration is great when leading the dolly to pass through automatically, and even the card is in the department of plugging into, and the action time of lift platform can't be adjusted simultaneously, can't adapt to production line dynamic beat, when the dolly of automatic guidance waited to pass through, the problem that lift platform can't rise automatically.
Description
Technical Field
The invention relates to the technical field of automatic motor control, in particular to a rotary logistics channel based on automatic motor control and a control method thereof.
Background
In the slide plate circulation production line of car assembly workshop, commodity circulation automatic guiding dolly needs to get into slide plate circulation line inboard and accomplishes the material delivery, because of the existence of slide plate circulation line's line body pit, automatic guiding dolly only can get into circulation line inboard with the help of other conveying systems, and current technical direction has the scheme of installation elevator and transfer chain to carry automatic guiding dolly inboard, but the fund cost that the scheme realized is very big, also has very big requirement to the space of transfer line top.
The pit foundation settlement of the existing lifting platform influences the levelness of the lifting platform, the inclined platform is easy to interfere with the pit wall in the lifting process, the seam drop between the lifting platform and the ground is overlarge, so that the automatic guiding trolley can vibrate greatly when passing, even the automatic guiding trolley is clamped at a joint, meanwhile, the action time of the lifting platform cannot be adjusted, the automatic guiding trolley cannot adapt to the dynamic beat of a production line, and the lifting platform cannot automatically rise when the automatic guiding trolley waits to pass.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the rotary logistics channel based on automatic motor control and the control method thereof, which can effectively solve the problems that in the prior art, the pit foundation settlement of the existing lifting platform affects the levelness of the lifting platform, the inclined platform is easy to interfere with the pit wall in the lifting process, the seam drop between the lifting platform and the ground is overlarge, so that the automatic guiding trolley can vibrate more when passing, even the automatic guiding trolley is clamped at a joint, the action time of the lifting platform can not be adjusted, the dynamic beat of a production line can not be adapted, and the lifting platform can not automatically rise when the automatic guiding trolley waits to pass.
In order to achieve the above purpose, the invention provides a rotary logistics channel based on automatic control of a motor, which comprises a switch control unit, a programmable controller, a frequency converter and a flap mechanism;
the device comprises a pit, a pair of turning plate mechanisms, a driving assembly, a turning plate connecting plate and a turning plate, wherein the pair of turning plate mechanisms are symmetrically arranged on two sides of the edge of the top of the pit, the turning plate mechanisms comprise a main body base, the driving assembly, the turning plate connecting plate and the turning plate, the bottom of the main body base is detachably and fixedly arranged with the external foundation surface of the pit through an expansion screw, the driving assembly is arranged at the top of the main body base, the outer side of the driving assembly is fixedly arranged with the outer side of the turning plate connecting plate, the outer side of the turning plate connecting plate is internally threaded and arranged with the turning plate through a bolt group, when the turning plate is turned to be in a horizontal state, the turning plate is paved at the top of the pit, a channel which is parallel and level with the ground is formed between the turning plate, and the channel is used for guiding a trolley to stably pass through;
and the frequency converter is connected with the programmable controller and is used for adjusting the overturning direction and the overturning speed of the overturning plate.
Further, the switch control unit comprises a start switch, a grating and a scram reset switch, wherein the input end of the programmable controller is respectively connected with the start switch, the grating and the scram reset switch, the output end of the programmable controller is respectively connected with the frequency converter and the driving component, the start switch is configured to start and close the programmable controller, the scram reset switch is configured to manually control the running state of the driving component, and the grating is positioned at the top of the turning plate.
Further, the drive assembly comprises three-phase motor, pinion, sector gear, three-phase motor bottom passes through bolt set and main part base top fixed connection, the pinion outside passes through parallel key and three-phase motor's motor shaft fixed connection, the sector gear is installed through setting up in its inside shoulder hinge pin and main part base inside rotation, meshing transmission between pinion and the sector gear.
Further, the turning plate connecting plate is composed of a first connecting strip and a second connecting strip, the first connecting strip and the second connecting strip are fixedly installed through a hinge pin, the outer side of the first connecting strip is fixedly connected with the outer side of the sector gear through a bolt group, and the outer side of the second connecting strip is fixedly connected with the outer side of the turning plate through a bolt group.
Further, the main body base and the driving assembly are sleeved with a protective cover, the protective cover is formed by welding steel plates, and the turning plate is designed to be a flat rectangular steel plate.
Further, an indicator light is included and configured to display an operational status of the flap.
Further, the system also comprises a signal controller, wherein the signal controller is arranged outside the main body base, the signal controller is respectively interacted with a factory network and a trolley dispatching server, and the trolley sends instructions to the signal controller by means of TCP communication and transmits the programmable controller to be used for turning over a plate and then automatically executing the lap joint action of the logistics channel.
Further, a rubber plate is arranged adjacent to the bottom edge of the main body base, and the outer side of the rubber plate is tightly attached to the outer side of the turning plate.
Further, the automatic plate turning device further comprises a buzzer and an in-place switch, wherein the buzzer is configured to prompt the plate turning action of the plate turning device, and the in-place switch is configured to detect the position of the plate turning device.
In order to achieve the above object, the present invention further provides a control method for a rotary logistics channel based on automatic motor control, including:
s1, starting a system, switching to an automatic mode on an operation box by an operator, and keeping for 3 seconds by long-time pressing of an emergency stop reset switch;
s2, detecting the system, judging that the turning plate is reset to be in place, the switch is triggered, the frequency converter has no fault, the grating has no action, and the system enters an automatic mode;
s3, accessing a third party system, wherein the system communication receives the TCP Socket message, and discarding the TCP Socket message if the TCP Socket message is judged to be invalid;
s4, judging the instruction, wherein the communication message is an instruction for automatically guiding the trolley to pass through;
s5, starting a buzzer, driving the buzzer to act for 5 seconds, reminding a person not to approach, setting the rotating speed of the three-phase motor to 1600r/min and driving the three-phase motor to rotate positively;
s6, the three-phase motor works, after the three-phase motor acts, timing is started, and the 10-second inversion plate is judged to be connected with a position switch for triggering;
s7, resetting and judging, wherein a reset in-place switch is triggered within 10 seconds, the output of the three-phase motor is stopped, a timer is reset, the reset in-place switch is not triggered within 10 seconds, the output of the three-phase motor is stopped, and a reset action overtime indicator lamp is triggered to give an alarm;
s8, guiding the trolley, and after triggering the reset in-place switch, enabling the turning plate of the logistics channel to be in place and enabling the trolley to pass through;
s9, repeating the steps S1 to S8, and carrying out next trolley guiding.
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
(1) The invention is provided with the panel turnover mechanism, the three-phase motor drives the pinion to rotate, and the pinion drives the sector gear to rotate, so that the rotating power is provided. After the turning plate is turned in place, the ground and the guide rail are covered on the whole surface, a complete logistics channel is combined and provided for the automatic guiding trolley to pass through, and compared with the traditional scheme of installing the elevator and the conveying line, the automatic guiding trolley is conveyed to the inner side, so that a great amount of capital cost is saved and the space above the conveying line is reduced. Meanwhile, the pit foundation settlement of the existing lifting platform influences the levelness of the lifting platform, the inclined platform is easy to interfere with the pit wall in the lifting process, the joint drop between the lifting platform and the ground is overlarge, so that the automatic guiding trolley can vibrate greatly and is clamped at a joint even when passing through the pit wall, the main reason is that the lifting platform is used for guaranteeing that the two sides of the lifting platform are respectively reserved with surplus joints of at least 15mm in order to ensure that the lifting platform is not interfered with the pit wall, the automatic guiding trolley is required to be within 5mm in terms of the ground height difference, when the sliding plate passes through the position of the lifting platform, the sliding plate needs to walk at the track on the lifting platform, and the track is required to be covered by the rotating turning plate after the channel is overlapped with the ground, so that the track and the ground joint can be covered completely.
(2) The invention is provided with the frequency converter, the action time of the existing lifting platform cannot be adjusted, and the existing lifting platform cannot adapt to the dynamic beat of a production line, because the lifting driving force of the platform cannot realize large-scale speed regulation by adopting the constant speed control of the hydraulic pump, the lap joint speed of the logistics channel in the invention can be controlled and adjusted, the lap joint time can be set according to the beat of the production line, the rotating speed of the flap motor can be controlled by using the frequency converter, and the flap mechanism has a large speed regulation interval compared with the original hydraulic constant speed driving mode. When the time of the upper production line beat is matched, the production beat can be matched, and the influence on the circulation of the sliding plate when the automatic guiding trolley passes is reduced. The frequency converter drives the three-phase motor to rotate forward and then drives the pinion and the sector gear to rotate, the sector gear drives the turning plate connecting plate to act, the turning plate connecting plate drives the turning plate to act again, after the programmable controller detects the lap joint signal in place, the output of the frequency converter is stopped immediately, the turning plate rotates in place at the moment, the lap joint of the logistics channel is completed, the frequency converter drives the three-phase motor to rotate backward and then drives the pinion and the sector gear to rotate, the sector gear drives the turning plate connecting plate to act, the turning plate connecting plate drives the turning plate to act again, after the programmable controller detects the turning plate vertical signal in place, the output of the frequency converter is stopped immediately, and the turning plate resets in place at the moment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic perspective view of a rotary logistics channel based on automatic motor control of the present invention;
FIG. 2 is a schematic front view of FIG. 1;
FIG. 3 is a schematic front view of the drive assembly of FIG. 1;
FIG. 4 is a system structural diagram of a rotary logistics channel based on automatic motor control;
FIG. 5 is a circuit diagram of a power distribution circuit of a rotary logistics channel based on automatic motor control of the present invention;
FIG. 6 is a flow chart of an automatic control program of the rotary logistics channel based on automatic control of a motor.
Reference numerals in the drawings represent respectively: 1. a flap mechanism; 11. a main body base; 12. a drive assembly; 121. a three-phase motor; 122. a pinion gear; 123. a sector gear; 124. a rotation pin; 13. a turning plate connecting plate; 131. a first connecting bar; 132. a second connecting bar; 133. a hinge pin; 14. turning plate; 15. a grating; 16. a protective cover; 17. a rubber plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Example 1:
referring to fig. 1-6, the present invention provides a technical solution: a rotary logistics channel based on automatic motor control comprises a switch control unit, a programmable controller, a frequency converter and a flap mechanism 1.
Wherein, a pair of panel turnover mechanism 1 symmetric distribution sets up in pit top edge both sides, panel turnover mechanism 1 includes main body base 11, drive assembly 12, panel turnover connecting plate 13 and turns over board 14 and constitute, main body base 11 bottom can dismantle fixed mounting through the inflation screw with the outside foundation of pit, drive assembly 12 sets up at main body base 11 top, drive assembly 12 outside and panel turnover connecting plate 13 outside fixed mounting, panel turnover connecting plate 13 outside is through bolt set and panel turnover 14 internal screw thread installation, when panel turnover 14 upset to the horizontality, panel turnover 14 lays at the pit top, form a passageway with ground parallel and level between the panel turnover 14, the passageway is used for guiding the dolly steady to pass through.
The frequency converter is connected with the programmable controller, and the frequency converter is used for adjusting the turning direction and the turning speed of the turning plate 14, and the output channel is controlled by the programmable controller to be conducted, so that the relay coil is electrified, and after the switch input channel of the frequency converter detects that the relay contact is conducted, the driving assembly 12 is immediately driven, and the force of the driving transmission structure is transmitted to the turning plate 14, so that the turning plate 14 is rotated. After the turning plate 14 is turned in place, the ground and the guide rail are covered completely, and a complete logistics channel is combined to provide for the automatic guiding trolley to pass through.
The switch control unit comprises a starting switch, a grating 15 and a scram reset switch, wherein the input end of the programmable controller is respectively connected with the starting switch, the grating 15 and the scram reset switch, the output end of the programmable controller is respectively connected with the frequency converter and the driving assembly 12, the starting switch is configured to start and close the programmable controller, the scram reset switch is configured to manually control the running state of the driving assembly 12, and the grating 15 is positioned at the top of the turning plate 14. When a person or an object enters the area, the action of the grating sensor is triggered, and after the programmable controller monitors the action of the grating 15, any action of the turning plate is stopped immediately, so that the safety of the person is ensured.
The driving assembly 12 is composed of a three-phase motor 121, a pinion 122 and a sector gear 123, the bottom of the three-phase motor 121 is fixedly connected with the top of the main body base 11 through a bolt group, the outer side of the pinion 122 is fixedly connected with a motor shaft of the three-phase motor 121 through a flat key, the sector gear 123 is rotatably installed in the main body base 11 through a rotating pin 124 arranged in the sector gear 123, and the pinion 122 and the sector gear 123 are in meshed transmission.
The turning plate connecting plate 13 is composed of a first connecting strip 131 and a second connecting strip 132, the first connecting strip 131 and the second connecting strip 132 are fixedly installed through a hinge pin 133, the outer side of the first connecting strip 131 is fixedly connected with the outer side of the sector gear 123 through a bolt group, and the outer side of the second connecting strip 132 is fixedly connected with the outer side of the turning plate 14 through a bolt group.
The main body base 11 and the driving component 12 are sleeved with a protective cover 16, the protective cover 16 is formed by welding steel plates, the turning plate 14 is designed to be a flat rectangular steel plate, the protective cover 16 covers the main body base 11 and the driving component 12 inside the driving component, personnel are prevented from contacting the driving component 12, and meanwhile the appearance of the equipment is optimized.
The motor-based automatic control rotary logistics channel further includes an indicator light configured to display the operational status of flap 14.
The rotary logistics channel based on automatic motor control further comprises a signal controller and a relay, wherein the signal controller is arranged on the outer side of the main body base 11, the signal controller is respectively interacted with a factory network and a trolley dispatching server, when the trolley needs to pass through a pit, an instruction is sent to the signal controller by means of TCP communication and a programmable controller is transmitted, the signal controller is used for turning over the plate 14 and then automatically executing the lap joint action of the logistics channel, the relay is configured to output a control signal of the programmable controller to the driving assembly 12, and the relay is connected to an output pin of the programmable controller.
The edge of the bottom of the adjacent main body base 11 is provided with a rubber plate 17, and the outer side of the rubber plate 17 is tightly attached to the outer side of the turning plate 14 for protecting the turning plate 14, preventing the turning plate 14 from colliding with the side of the pit, and enabling the turning plate 14 to be in seamless connection with the rubber plate 17, so that the trolley can pass through stably and quickly. The frequency converter is used for controlling the forward and reverse rotation of the three-phase motor 121, the frequency converter is connected to the input end pin of the three-phase motor 121, the lap joint speed of the logistics channel is controllable and adjustable by the frequency converter, lap joint time can be set according to the beat of the production line, the rotating speed of the turnover plate motor is controlled by using the frequency converter, and the turnover plate can rotate at different speeds. When the time of the upper production line beat is matched, the production beat can be matched, and the influence on the circulation of the sliding plate when the automatic guiding trolley passes is reduced. When the programmable controller detects the lap-joint in-place signal, the output of the frequency converter is stopped immediately, the turnover plate 14 rotates in place at the moment, the lap joint of the logistics channel is completed, when the programmable controller detects the vertical in-place signal of the turnover plate 14, the output of the frequency converter is stopped immediately, and the turnover plate 14 is reset in place at the moment.
The rotary logistics channel based on motor automatic control further comprises a buzzer and an in-place switch, wherein the buzzer is configured to prompt the plywood action of the turning plate 14, the buzzer is started, the buzzer is driven to act for 5 seconds, and the personnel are reminded not to approach. The in-place switch is configured to detect the position of the flap 14, reset the in-place switch to trigger within 10 seconds, stop the three-phase motor 121 output and reset the timer, reset the in-place switch to not trigger within 10 seconds, stop the three-phase motor 121 output and trigger the "reset action timeout" indicator light to alarm.
Referring to fig. 1-5, the programmable controller of the invention writes control programs of three modes of maintenance, manual and automatic according to control logic of different operation modes, and operators select different modes on an operation box outside the programmable controller according to service scenes.
In the automatic mode, the system enters the automatic mode after the 'emergency stop reset switch' is pressed for 3 seconds, the green light is normally on, after the three-phase air switch (F1) and the alternating current contactor (KM 5) are both closed, the power distribution loop provides 380VAC power supply for the frequency converter, 220VAC power supply is provided for the direct current switch power supply (V1) through the single-phase air switch (F2), and the 220VAC is converted into 24VDC power supply through the direct current switch power supply (V1). The 24VDC power supply is supplied to electric elements such as a programming controller, a proximity switch and the like, a starting switch is pressed, after the electric control system is electrified, the programmable controller performs self-checking, enters the system, main program scanning is executed after the system is started, signals such as an operation button, the proximity switch and an alarm state of a switch input module are acquired at the beginning of a scanning period, and a pre-programming program is executed according to the acquired signals during the scanning process.
When the turning plate rotation type control is needed, the programmable controller controls the output channel to be conducted, so that the relay coil is electrified, after the switch input channel of the frequency converter detects that the relay contact is conducted, the three-phase motor 121 in the driving assembly 12 is immediately driven, the three-phase motor 121 drives the pinion 122 to rotate, and the pinion 122 drives the sector gear 123 to rotate, so that rotary power is provided. The turning plate connecting plate 13 is respectively fixed on the sector gear 123 and the turning plate 14 through bolts, and transmits the force of the driving transmission structure to the turning plate 14 to realize the rotation of the turning plate 14. After the turning plate 14 turns in place, the ground and the guide rail are covered fully, a complete logistics channel is combined to provide for the automatic guiding trolley to pass through, compared with the traditional scheme of installing an elevator and a conveying line, the automatic guiding trolley is conveyed to the inner side, a great amount of capital cost is saved, the space above a conveying line is reduced, and meanwhile, the pit foundation settlement of the existing lifting platform influences the levelness of the lifting platform. The inclined platform is easy to interfere with the pit wall in the lifting process, the seam drop between the lifting platform and the ground is overlarge, so that the automatic guided trolley can vibrate greatly and even be clamped at the joint, the reason is mainly that the lifting platform is used for ensuring that the automatic guided trolley is not interfered with the pit wall, surplus seams with the height of at least 15mm are reserved on two sides of the lifting platform, the automatic guided trolley is required to be within 5mm of the ground height difference, when the sliding plate passes through the lifting platform, the sliding plate needs to walk at the track on the lifting platform, the seam is necessarily caused between the track and the platform cover plate because the travelling wheel exceeds the width of the track, but the invention adopts two symmetrical rotary turning plates 14, after the rotary turning plates 14 are spliced in place in a channel, the track and the ground seam can be fully covered, the problem of overlarge seam is directly solved, meanwhile, the two turning plates 14 are spliced above the pit to form a complete logistics channel for the automatic guided trolley to pass, the logistics channel is high in flatness, the seam width is small, and the automatic guided trolley can be stably and quickly passed.
The controller in the plate turnover mechanism 1 has the communication capability with a third party system (an automatic guided trolley dispatching system), and data interaction is realized through TCP Socket communication, so that the plate turnover mechanism 1 can know that an automatic guided trolley needs to pass through, and then the automatic lap joint of a logistics channel is finished. Compared with the prior art, when the guiding trolley waits for passing, the lifting platform cannot automatically ascend, because the lifting platform does not have a third party communication interface, the interlocking control cannot be realized with the automatic guiding trolley, and the lifting platform ascent method needs to be manually operated, so that the passing efficiency and the automation level of a logistics channel are directly improved, and the action of complicated manual operation is further reduced.
The action time of the existing lifting platform cannot be adjusted and cannot adapt to the dynamic beat of the production line, because the lifting driving force of the platform is controlled by adopting the hydraulic pump to fix the speed, and the large-scale speed regulation cannot be realized.
Compared with the original hydraulic constant-speed driving mode, the flap mechanism 1 has a large speed regulation interval. When the time of the upper production line beat is matched, the production beat can be matched, and the influence on the circulation of the sliding plate when the automatic guiding trolley passes is reduced. The frequency converter drives the three-phase motor 121 to rotate forward and then drives the pinion 122 and the sector gear 123 to rotate, the sector gear 123 drives the turning plate connecting plate 13 to act, and the turning plate connecting plate 13 drives the turning plate 14 to act. When the programmable controller detects the lap-joint in-place signal, the output of the frequency converter is stopped immediately, the turnover plate 14 rotates in place at the moment, the lap joint of the logistics channel is completed, the frequency converter drives the three-phase motor 121 to reversely rotate and then drives the pinion 122 and the sector gear 123 to rotate, the sector gear 123 drives the turnover plate connecting plate 13 to act, and the turnover plate connecting plate 13 drives the turnover plate 14 to act. When the programmable controller detects the vertical signal of the turning plate 14, the output of the frequency converter is stopped immediately, and the turning plate 14 is reset to be in place. When the trolley is automatically guided to pass, the turnover plate 14 in the turnover plate mechanism 1 can be turned in advance according to the production takt, so that the trolley can conveniently enter the turnover plate 14 in advance, and the time for the trolley to pass through the turnover plate 14 is saved. Meanwhile, the correlation grating sensor is arranged on the logistics channel of the turning plate 14, when a person or an object enters the area, the grating sensor is triggered to act, and after the programmable controller monitors the action of the grating 15, any action of the turning plate can be stopped immediately, so that the safety of the person is ensured.
Example 2:
the invention also discloses a control method of the rotary logistics channel based on the automatic control of the motor, as shown in fig. 6, comprising the following steps:
s1, starting the system, switching to an automatic mode on an operation box outside the programmable controller by an operator, and keeping for 3 seconds by long-pressing a sudden stop reset switch.
S2, detecting the system, judging that the turning plate 14 is reset to be in place, the switch is triggered, the frequency converter has no fault, the grating 15 has no action, and entering an automatic mode, wherein the green light of the indicator light is normally on.
S3, accessing a third party system, wherein a controller in the panel turnover mechanism 1 has the communication capability with the third party system (an automatic guided trolley dispatching system), and realizing data interaction through TCPSocket communication, so that the panel turnover mechanism 1 can know that an automatic guided trolley needs to pass through.
S4, judging the command, wherein the communication message is an automatic guided trolley request passing command, and after receiving a passage switching-on command, the programmable controller controls the output channel to be conducted, so that the relay coil is electrified, the switching-on of the relay contact is detected by the switch input channel of the frequency converter, the switching-on board 14 is allowed to be switched on, and when the switching-on board 14 is not allowed to be switched on, the indicator lamp yellow lamp on the switching-on board 14 is flashed.
S5, starting the buzzer, driving the buzzer to act for 5 seconds, reminding a person not to approach, setting the rotating speed of the motor to 1600r/min, outputting and driving the three-phase motor 121 to rotate positively by the frequency converter, and overlapping the logistics channels by the turning plate 14.
S6, after the three-phase motor works and the three-phase motor acts, starting timing, judging that the 10-second inner turning plate is connected with the in-place switch to trigger, when overtime, the indicator lamp flashes 4HZ, the scram reset switch is pressed, the buzzer 2HZ is activated to last for 5S again, the turning plate is outputted, the indicator lamp of the turning plate is instructed to flash 2HZ, timing is started again, and judging that the 10-second inner turning plate 14 is connected with the in-place switch to trigger.
S7, resetting and judging, wherein a reset in-place switch is triggered within 10 seconds, the output of the three-phase motor 121 is stopped, a timer is reset, the reset in-place switch is not triggered within 10 seconds, the output of the three-phase motor 121 is stopped, a reset action overtime indicator lamp is triggered to give an alarm, the output of the frequency converter is stopped immediately after the programmable controller detects a vertical in-place signal of the turning plate 14, and at the moment, the turning plate 14 is reset in place.
S8, guiding the trolley, and after the reset switch is triggered, overlapping the turning plate 14 of the logistics channel in place to guide the trolley to pass.
S9, repeating the steps S1 to S8, and guiding the trolley to pass next time.
In this embodiment, when the system fails and needs to be suddenly stopped or needs to switch between the manual mode and the automatic mode, the operator can select a different mode on the operation box outside the programmable controller.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. The control method of the rotary logistics channel based on the automatic control of the motor is characterized by comprising a switch control unit, a programmable controller, a frequency converter and a turnover plate mechanism; the device comprises a pit, a pair of turning plate mechanisms, a driving assembly, a turning plate connecting plate and a turning plate, wherein the pair of turning plate mechanisms are symmetrically arranged on two sides of the edge of the top of the pit, the turning plate mechanisms comprise a main body base, the driving assembly, the turning plate connecting plate and the turning plate, the bottom of the main body base is detachably and fixedly arranged with the external foundation surface of the pit through an expansion screw, the driving assembly is arranged at the top of the main body base, the outer side of the driving assembly is fixedly arranged with the outer side of the turning plate connecting plate, the outer side of the turning plate connecting plate is internally threaded and arranged with the turning plate through a bolt group, when the turning plate is turned to be in a horizontal state, the turning plate is paved at the top of the pit, a channel which is parallel and level with the ground is formed between the turning plate, and the channel is used for guiding a trolley to stably pass through; the frequency converter is connected with the programmable controller and is used for adjusting the overturning direction and the overturning speed of the overturning plate;
the switch control unit comprises a starting switch, a grating and a scram reset switch, wherein the input end of the programmable controller is respectively connected with the starting switch, the grating and the scram reset switch, the output end of the programmable controller is respectively connected with the frequency converter and the driving component, the starting switch is configured to start and close the programmable controller, the scram reset switch is configured to manually control the running state of the driving component, and the grating is positioned at the top of the turning plate;
the display device further comprises an indicator light configured to display the running state of the turning plate;
the system comprises a main body base, a signal controller, a factory network, a trolley scheduling server and a programmable controller, wherein the signal controller is arranged on the outer side of the main body base, the signal controller is respectively interacted with the factory network and the trolley scheduling server, and the trolley sends instructions to the signal controller by means of TCP communication and transmits the programmable controller to be used for turning over a plate and then automatically executing the lap joint action of a logistics channel;
the automatic turning device also comprises a buzzer and an in-place switch, wherein the buzzer is configured to prompt the action of the plate of the turning plate, and the in-place switch is configured to detect the position of the turning plate;
the method comprises the following steps:
s1, starting a system, switching to an automatic mode on an operation box by an operator, and keeping for 3 seconds by long-time pressing of an emergency stop reset switch;
s2, detecting the system, judging that the turning plate is reset to be in place, the switch is triggered, the frequency converter has no fault, the grating has no action, and the system enters an automatic mode;
s3, accessing a third party system, namely, automatically guiding a trolley dispatching system, wherein the system receives a TCP Socket message through communication, and discarding the TCP Socket message if the TCP Socket message is judged to be invalid;
s4, judging the instruction, wherein the communication message is an instruction for automatically guiding the trolley to pass through;
s5, starting a buzzer, driving the buzzer to act for 5 seconds, reminding a person not to approach, setting the rotating speed of the three-phase motor to 1600r/min and driving the three-phase motor to rotate positively;
s6, the three-phase motor works, after the three-phase motor acts, timing is started, and the 10-second inversion plate is judged to be connected with a position switch for triggering;
s7, resetting and judging, wherein a reset in-place switch is triggered within 10 seconds, the output of the three-phase motor is stopped, a timer is reset, the reset in-place switch is not triggered within 10 seconds, the output of the three-phase motor is stopped, and a reset action overtime indicator lamp is triggered to give an alarm;
s8, guiding the trolley, and after the reset in-place switch is triggered, the turning plate of the logistics channel is spliced in place to guide the trolley to pass through;
s9, repeating the steps S1 to S8, and guiding the trolley to pass next time.
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| CN202210162669.5A CN115214825B (en) | 2022-02-22 | 2022-02-22 | Rotary logistics channel based on automatic motor control and control method thereof |
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| CN202210162669.5A CN115214825B (en) | 2022-02-22 | 2022-02-22 | Rotary logistics channel based on automatic motor control and control method thereof |
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| CN115214825A (en) | 2022-10-21 |
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