CN110641967A - Logistics lifting system and control method thereof - Google Patents
Logistics lifting system and control method thereof Download PDFInfo
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- CN110641967A CN110641967A CN201910928558.9A CN201910928558A CN110641967A CN 110641967 A CN110641967 A CN 110641967A CN 201910928558 A CN201910928558 A CN 201910928558A CN 110641967 A CN110641967 A CN 110641967A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
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Abstract
The invention provides a logistics lifting system and a control method thereof, wherein the logistics lifting system comprises a sending station and a plurality of receiving stations which are arranged along the vertical direction, a vertical lifting mechanism which is used for transmitting between the sending station and the receiving stations, and a control unit which is used for controlling the operation of the logistics lifting system, the vertical lifting mechanism comprises at least two storage layers which are arranged at intervals along the vertical direction, the sending station is provided with an output line, and the output line and the vertical lifting mechanism are both in communication connection with the control unit; the control unit can control the vertical lifting mechanism to move along the up-down direction so that the at least two storage layers can respectively correspond to the output lines; therefore, the logistics boxes in the full box state can be placed through the output lines in the at least two storage layers, the single conveying capacity of the vertical lifting mechanism is increased, the conveying efficiency is improved, and the existing requirement on the timeliness of conveying the materials in the hospital is met.
Description
Technical Field
The invention relates to the field of logistics, in particular to a high-efficiency logistics lifting system and a control method thereof.
Background
The logistics lifting system is used for conveying materials in a local range, such as in hospitals, and conveying materials such as medicines among floors.
The existing logistics lifting system comprises a vertical lifting mechanism, wherein an upper storage layer and a lower storage layer are arranged in the vertical lifting mechanism, one storage layer is used for receiving full boxes of a sending station and conveying the full boxes to the corresponding receiving station, and the other storage layer is used for placing empty turnover boxes recovered from the receiving station and recovering the empty turnover boxes to the sending station. That is, only one layer of the storage layer of the vertical lifting mechanism can be used for conveying full boxes at a time, and the other layer is empty, so that the conveying efficiency is low, and the existing requirement on the timeliness of conveying materials in a hospital cannot be met.
In view of the above, it is desirable to provide a new logistics lifting system and a control method thereof to solve the above problems.
Disclosure of Invention
The invention aims to provide a high-efficiency logistics lifting system and a control method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: a logistics lifting system comprises a sending station and a plurality of receiving stations which are arranged in the vertical direction, a vertical lifting mechanism for transmitting between the sending station and the receiving stations, and a control unit for controlling the logistics lifting system to operate, wherein the vertical lifting mechanism comprises at least two storage layers which are arranged at intervals in the vertical direction, the sending station is provided with an output line, and the output line and the vertical lifting mechanism are both in communication connection with the control unit; the control unit can control the vertical lifting mechanism to move in an up-and-down direction so that the at least two storage layers can respectively correspond to the output lines.
As a further improvement of the present invention, each of the memory layers has N memory locations arranged along an output direction of the output line, the output line is provided with N output positions arranged along the output direction, the logistics lifting system also comprises a buffer area which is in one-to-one correspondence with (N-1) output positions close to the vertical lifting mechanism, a transplanting device used for transmitting between the buffer area and the corresponding output positions, and an identification device arranged at the Nth output position, the transplanting device and the recognition device are in communication connection with the control unit, and the control unit controls the conveying line and the transplanting device according to station receiving information of the N logistics boxes on the N conveying positions fed back by the recognition device, so that the N logistics boxes enter the vertical lifting mechanism according to a preset sequence; wherein N is a positive integer, and N is more than or equal to 2.
As a further improved technical solution of the present invention, N is 2, and the output line has a first output position close to the vertical lifting mechanism and a second output position located at an end of the first output position away from the vertical lifting mechanism; the buffer area is located on one side of the first output position, and the identification device is arranged at the second output position.
As a further improved technical scheme of the invention, the identification device is a code scanner used for identifying a bar code on the logistics box.
As a further improved technical scheme of the invention, the transplanting device comprises a transplanting roller line group with a plurality of transplanting roller lines, a lifting motor for driving the transplanting roller line group to lift up and down, and a rotating motor for driving the transplanting roller lines to rotate.
As a further improved technical solution of the present invention, each of the output positions has a plurality of first roller lines arranged at intervals along an output direction of the output line, the buffer area has a plurality of third roller lines arranged at intervals along the output direction, a part of the transplanting roller lines are distributed between the first roller lines corresponding thereto, and another part of the transplanting roller lines are distributed between the third roller lines.
In order to achieve the above object, the present invention further provides a control method for controlling the logistics lifting system, including the following steps:
and controlling the vertical lifting mechanism positioned at the sending station to move along the up-down direction so as to enable each storage layer to correspond to the output line respectively, and controlling the output lines to start to output the logistics boxes into the storage layers after the storage layers correspond to the output lines.
As a further improved technical solution of the present invention, each of the storage layers has N storage locations arranged along an output direction of the output line; the step of controlling the output line to be started so as to output the logistics box into the storage layer specifically comprises the following steps:
comparing the receiving station information of the N logistics boxes to be conveyed to the corresponding storage layer;
and controlling the N logistics boxes to output to the corresponding storage layers according to the receiving station information in a preset sequence.
As a further improved technical solution of the present invention, the output line has N output positions arranged along the output direction thereof, the logistics lifting system further includes a buffer area corresponding to (N-1) output positions close to the vertical lifting mechanism, a transplanting device for transmitting between the buffer area and the corresponding output positions, and an identification device disposed at the nth output position for identifying information of a receiving station of the logistics box, and both the transplanting device and the identification device are connected to the control unit in a communication manner.
As a further improved technical solution of the present invention, the preset sequence is a sequence of the vertical lifting mechanism passing through the receiving station.
The invention has the beneficial effects that: according to the logistics lifting system, the vertical lifting mechanism located at the sending station can move in the vertical direction, so that the at least two storage layers can correspond to the output lines respectively, and accordingly, logistics boxes in a full box state can be placed in the at least two storage layers through the output lines, the single conveying capacity of the vertical lifting mechanism is increased, the conveying efficiency is improved, and the existing requirement for timeliness of conveying of materials in a hospital is met.
Drawings
Fig. 1 is a side view of a stream lift system of the present invention.
Fig. 2 is a side view of the vertical lifting mechanism at the delivery station of the logistics raising system shown in fig. 1 after moving up to the lower storage level corresponding to the output line.
Fig. 3 is a top view of the stream lift system shown in fig. 1.
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in the drawings, and fig. 1 shows a preferred embodiment of the present invention.
Referring to fig. 1 to 3, the present invention provides a logistics lifting system 100, which includes a sending station 1 and a plurality of receiving stations (not shown) arranged in an up-down direction, a vertical lifting mechanism 2 for transmitting between the sending station 1 and the receiving stations, and a control unit for controlling the logistics lifting system 100 to operate.
In the present invention, a logistics lifting system 100 for conveying logistics boxes containing materials such as medicines between floors in a hospital is specifically described as an example, generally, the sending station 1 is located at the minus floor, and the receiving stations are located at the first floor and above; it should be noted that the technical spirit involved in the embodiments described below may be alternatively applied to material delivery in other occasions.
The control unit may be a control unit in an existing logistics lifting system, such as a programmable logic control unit PLC, which is not described herein again.
Specifically, the delivery station 1 has an output line 11 for outputting the logistics boxes in the full box state of the delivery station 1 to the vertical lifting mechanism 2, the output line 11 has a plurality of first roller lines 111 arranged at intervals along the output direction of the output line 11, and a first motor (not shown) for driving the first roller lines 111 to rotate, and the first motor is in communication connection with the control unit. In the process that the first motor drives the first roller line 111 to rotate, the logistics box on the output line 11 can be driven to move towards the direction where the vertical lifting mechanism 2 is located, so that the logistics box can be conveyed into the vertical lifting mechanism 2 and then lifted to a corresponding receiving station through the vertical lifting mechanism 2, and medical staff can take the logistics box.
In one embodiment, the sending station 1 further has an input line 12 for feeding and retrieving the empty logistics boxes in the receiving station retrieved by the vertical lifting mechanism 2 to the sending station 1, and the input line 12 is located at the lower side of the output line 11, it is understood that the output line 11 is opposite to the feeding direction of the input line 12.
Specifically, the structure of the input line 12 may be the structure of the output line 11, that is, the input line 12 and the output line 11 are different only in the conveying direction, and all the other parts are the same, and thus, the description thereof is omitted.
Further, the vertical lift mechanism 2 includes at least two storage layers 21 arranged at intervals in the up-down direction to increase the storage capacity of the vertical lift mechanism 2.
The structure of the vertical lifting mechanism 2 can be the existing car structure, and the description is omitted. It will be appreciated that the vertical lift mechanism 2 has an opening which opens towards the delivery station 1 to receive or deliver a logistics box through the opening.
Specifically, in the present embodiment, each of the storage layers 21 includes a plurality of second roller lines 211 arranged at intervals along the output direction of the output line 11, and a second motor (not shown) for driving the second roller lines 211 to rotate, the second motor is connected to the control unit in a communication manner, and the control unit controls the second motor according to specific requirements, so as to drive the second roller lines 211 to rotate through the second motor.
It will be appreciated that the second motor can adjust the direction of conveyance of the material flow box located in the storage layer 21 by changing the direction of rotation of the second roller line 211, i.e., the material flow box can be fed into the vertical lift mechanism 2 or fed out of the vertical lift mechanism 2.
In one embodiment, the number of storage layers 21 is two, namely, an upper storage layer 212 and a lower storage layer 213; of course, this is not a limitation.
It will be appreciated that when the vertical lift mechanism 2 is located at the delivery station 1 and the upper storage level 212 is butted against the output line 11, the lower storage level 213 is butted against the input line 12, that is, in the prior art, the upper storage level 212 is generally used for placing the material flow boxes in the full box state sent from the delivery station 1, and the lower storage level 213 is used for placing the material flow boxes in the empty box state recovered from the receiving station to recover to the delivery station, so that only the upper storage level 212 can be used for placing the material flow boxes in the full box state during the process of lifting the material flow boxes conveyed from the delivery station 1 to the receiving station by the vertical lift mechanism 2, and the conveying efficiency is slow.
In the present invention, the control unit can control the vertical lifting mechanism 2 located at the sending station 1 to move in the up-down direction so that the at least two storage layers 21 can respectively correspond to the output lines 11, that is, the vertical lifting mechanism 2 can be stopped at a position where any one of the at least two storage layers 21 corresponds to the output line 11, so that material distribution boxes in a full box state can be placed in the at least two storage layers 21 through the output line 11, thereby increasing the single transportation capacity of the vertical lifting mechanism 2, improving the transportation efficiency, and meeting the existing requirement on the timeliness of the transportation of the materials in the hospital.
Specifically, in the embodiment where the vertical lift mechanism 2 has the upper storage level 212 and the lower storage level 213 therein, the control unit first controls the vertical lift mechanism 2 to move to and stay at the position of the upper storage level 212 corresponding to the output line 11, and after the upper storage level 212 is filled with the logistics boxes in the full box state through the output line 11, controls the vertical lift mechanism 2 to move upward by a preset distance so that the lower storage level 213 corresponds to the output line 11, and the lower storage level 213 can also be filled with the logistics boxes in the full box state through the output line 11, thereby increasing the single transportation amount of the vertical lift mechanism 2, improving the transportation efficiency, and satisfying the existing requirement for the timeliness of transportation of the goods in the hospital.
Further, each of the storage layers 21 has N storage locations arranged in the output direction of the output line 11, that is, each of the storage layers 21 can place N physical distribution boxes in a full box state at a time for delivery to a corresponding receiving station.
Wherein N is a positive integer, and N is more than or equal to 2.
In one embodiment, each storage layer 21 has 2 storage locations, namely a first storage location 214 and a second storage location 215, wherein the first storage location 214 is located inside the second storage location 215, that is, the second storage location 215 is closer to the opening than the first storage location 214, when the output line 11 outputs a material flow box, the material flow box moves to the first storage location 214 through the second storage location 215, and when the material flow box on the first storage location 214 needs to be output, the material flow box needs to output the vertical lifting mechanism 2 through the second storage location 215.
Specifically, in this embodiment, each storage location is provided with an independent roller line structure, that is, each storage location has a plurality of second roller lines 211 and a second motor for driving the second roller lines 211 to rotate, and each second motor is in communication connection with the control unit so as to be capable of independently controlling the start and stop of the roller line structure at each storage location, so as to accurately control the parking location of the logistics box; of course, this is not a limitation.
Furthermore, the output line 11 has N output positions which are arranged near the vertical lifting mechanism 2 and arranged along the output direction thereof, the logistics lifting system 100 further includes (N-1) buffer areas 3 which are one-to-one corresponding to the output positions near the vertical lifting mechanism 2, a transplanting device 4 which is used for transmitting between the buffer areas 3 and the corresponding output positions, and an identification device 5 which is arranged at the nth output position, and the transplanting device 4 and the identification device 5 are both in communication connection with the control unit.
In a specific embodiment, each of the logistics boxes is attached with a barcode storing receiving station information corresponding to the logistics box, the identification device 5 is a barcode scanner for identifying the barcode on the logistics box, and the control unit controls the output line 11 and the transplanting device 4 according to the receiving station information of the logistics box fed back by the identification device 5, so that the logistics boxes on the output line 11 enter the vertical lifting mechanism 2 according to a preset sequence.
It can be understood that, in the process of conveying the logistics boxes to the vertical lifting mechanism 2 by the output line 11, each logistics box passes through the nth output position and then continues to move towards the direction of the vertical lifting mechanism 2; when the logistics box is located at the Nth output position, the identification device 5 identifies the bar code on the logistics box and feeds back corresponding receiving station information to the control unit; when the nth logistics box is conveyed to the nth output position, the control unit acquires and compares the receiving station information of the N logistics boxes located at the N output positions to convey the N logistics boxes to the corresponding storage layer 21 in a preset sequence, that is, the N logistics boxes located on the storage layer 21 are arranged in the preset sequence, so that the N logistics boxes can be conveyed to the corresponding receiving station in the preset sequence, and the transmission efficiency of the logistics lifting system is further improved.
In this embodiment, the preset sequence refers to a sequence of arrival at the receiving stations, that is, the logistics boxes that arrive at the corresponding receiving stations after the vertical lifting mechanism 2 is lifted are first conveyed into the vertical lifting mechanism 2, so that the N logistics boxes located in the storage layer 21 are sequentially arranged according to the sequence of arrival at the receiving stations, and in the lifting process of the vertical lifting mechanism 2, the logistics boxes that arrive at the corresponding receiving stations first are conveyed out of the vertical lifting mechanism 2, so as to further improve the transmission efficiency of the logistics lifting system.
Specifically, in this embodiment, each output position is provided with an independent roller structure, that is, each output position has a plurality of first roller lines 111 and a first motor for driving the first roller lines 111 to rotate, and each first motor is in communication connection with the control unit so as to be capable of independently controlling the start and stop of the roller structure at each output position, so as to accurately control the transportation of the logistics boxes; of course, this is not a limitation.
In the following, taking N ═ 2 as an example, the workflow of the logistics lifting system 100 in the present invention is specifically described:
at this time, a first output position 112 close to the vertical lifting mechanism 2 and a second output position 113 at one end of the first output position 112 far from the vertical lifting mechanism 2 are defined on the output line 11; the buffer 3 is located at one side of the first output position 112, and the identification device 5 is located at the second output position 113.
After controlling the vertical lifting mechanism 2 to move to enable one layer of the storage layer 21 to correspond to the output line 11, controlling the output line 11 to start, firstly conveying the material flow box A to the second output position 113, identifying the bar code of the material flow box A by the identification device 5 and feeding the bar code back to the control unit, then continuously starting the output line 11, conveying the material flow box A to the first output position 112, simultaneously conveying the material flow box B to the second output position 113, identifying the bar code of the material flow box B by the identification device 5 and feeding the bar code back to the control unit, comparing the receiving station information of the material flow box A and the material flow box B by the control unit, if the material flow box A reaches the corresponding receiving station first in the lifting process of the vertical lifting mechanism 2, controlling the transplanting device 4 to transplant the material flow box A to the buffer area 3, then controlling the output line 11 to start, outputting the material flow box B to the first storage position 214 in the corresponding storage layer 21, then, the transplanting device 4 is controlled to transplant the logistics box A to the first output position 112, the output line 11 is controlled to start outputting the logistics box A to the second storage position 215 in the corresponding storage layer 21, so that in the process that the vertical lifting mechanism 2 is lifted upwards, the logistics box A which reaches the corresponding receiving station first can be output to the vertical lifting mechanism 2, after the logistics box A is conveyed, the logistics box A is continuously lifted upwards to the receiving station corresponding to the logistics box B, and then the logistics box B can be output to the corresponding receiving station; if the material flow box B arrives at the corresponding receiving station first in the lifting process of the vertical lifting mechanism 2, the output line 11 is directly controlled to start, the material flow boxes A, B are sequentially conveyed into the corresponding storage layer 21, so that the material flow box a is located at the first storage position 214, the material flow box B is located at the second storage position 215, the material flow box B which arrives at the corresponding receiving station first can be output to the vertical lifting mechanism 2 in the upward lifting process of the vertical lifting mechanism 2, after the material flow box B is conveyed, the material flow box B is continuously lifted upward to the receiving station corresponding to the material flow box a, the material flow box a can be output to the corresponding receiving station, the vertical lifting mechanism 2 does not need to repeat up-and-down conveying in the lifting and conveying process, and the transmission efficiency of the material flow lifting system 100 is further improved.
It can be understood that the above-mentioned work flow only specifically describes an output flow of outputting a logistics box to one of the storage tiers 21 through the output line 11, and the output flow of outputting a logistics box to the other storage tiers 21 through the output line 11 is the same as the above-mentioned output flow, and is not described herein again.
In one embodiment, the buffer area 3 includes a plurality of third roller lines 31 arranged at intervals, the arrangement direction of the plurality of third roller lines 31 is the same as the arrangement direction of the first roller line 111, and the buffer area is disposed at the side of the corresponding output position so as not to affect the transportation of the logistics boxes on the output line 11; of course, this is not a limitation.
Specifically, the transplanting device 4 includes a transplanting roller line group (not numbered) having a plurality of transplanting roller lines 41, a lifting motor (not shown) for driving the transplanting roller line group to lift up and down, and a rotating motor (not shown) for driving the transplanting roller lines 41 to rotate so as to transfer the material distribution boxes between the buffer area 3 and the corresponding output position.
Specifically, the plurality of transplanting roller lines 41 are distributed between the adjacent first roller lines 111 at the output positions corresponding thereto and between the adjacent third roller lines 31 in the buffer 3 corresponding thereto, when the logistics boxes need to be transferred between the buffer area 3 and the corresponding output position, the lifting motor is controlled to drive the transplanting roller line group to ascend so as to jack up the corresponding logistics boxes, so that the transplanting roller lines 41 at the output position pass through the gaps between the adjacent first roller lines 111 and protrude out of the upper sides of the first roller lines 111, the transplanting roller lines 41 at the buffer area 3 pass through the gaps between the adjacent third roller lines 31 and protrude out of the upper sides of the third roller lines 31, then the transplanting roller line 41 is controlled to rotate, so that the logistics boxes are transmitted between the buffer area 3 and the corresponding output position; after the transportation is finished, the lifting motor is controlled to drive the roller line group to descend, so that the transplanting roller lines 41 at the output position pass through the gaps between the adjacent first roller lines 111 and are positioned at the lower sides of the first roller lines 111, and the transplanting roller lines 41 at the buffer area 3 pass through the gaps between the adjacent third roller lines 31 and are positioned at the lower sides of the third roller lines 31, so that the transplanting roller lines 41 do not interfere with the first roller lines 111 to convey the logistics boxes, and meanwhile, the logistics boxes can be placed at the output position or the buffer area 3.
Further, the present invention also provides a control method for controlling the logistics lifting system 100, which includes the following steps:
and controlling the vertical lifting mechanism positioned at the sending station to move along the up-down direction so as to enable each storage layer to correspond to the output line respectively, and controlling the output lines to start to output the logistics boxes into the storage layers after the storage layers correspond to the output lines.
Therefore, the logistics boxes in the full box state can be placed in the at least two storage layers 21 through the output line 11, the single conveying capacity of the vertical lifting mechanism 2 is increased, the conveying efficiency is improved, and the existing requirement on timeliness of conveying materials in a hospital is met.
In one embodiment, the vertical lifting mechanism 2 has an upper storage level 212 and a lower storage level 213, and the control unit can control the vertical lifting mechanism 2 located at the delivery station 1 to move up and down, so that when the upper storage level 212 corresponds to the output line 11, the material flow box in a full box state can be conveyed into the upper storage level 212 through the output line 11, and when the lower storage level 213 corresponds to the output line 11, the material flow box in a full box state can be conveyed into the lower storage level 213 through the output line 11, so that the material flow box in a full box state can be placed in both the upper storage level 212 and the lower storage level 213 through the output line 11, thereby increasing the single conveying amount of the vertical lifting mechanism 2, improving the conveying efficiency, and meeting the existing requirement on the timeliness of material conveying in hospital.
In the embodiment where the vertical lift mechanism 2 has the upper storage level 212 and the lower storage level 213, the above steps are specifically:
controlling the vertical lifting mechanism 2 to move to and stay at the position of the upper storage layer 212 corresponding to the output line 11, and then controlling the output line 11 to start conveying the material flow box into the upper storage layer 212;
and controlling the vertical lifting mechanism 2 to move upwards for a preset distance to enable the lower storage layer 213 to correspond to the output line 11, and then controlling the output line 11 to start to convey the logistics boxes into the lower storage layer 213.
Further, each storage layer 21 has N storage locations arranged along the output direction of the output line 11, the output line 11 has N output locations arranged near the vertical lifting mechanism 2 and arranged along the output direction thereof, the logistics lifting system 100 further includes a buffer area 3 corresponding to (N-1) output locations near the vertical lifting mechanism 2, a transplanting device 4 for transferring between the buffer area 3 and the corresponding output location, and an identification device 5 arranged at the nth output location, and both the transplanting device 4 and the identification device 5 are in communication connection with the control unit. Wherein N is a positive integer and is more than or equal to 2;
after the storage layer corresponds to the output line, the step of controlling the output line to start so as to output the logistics box into the storage layer specifically comprises the following steps:
comparing the receiving station information of the N logistics boxes to be conveyed to the corresponding storage layer;
and controlling the N logistics boxes to output to the corresponding storage layers according to the receiving station information in a preset sequence.
It is understood that the N physical distribution boxes to be conveyed to the corresponding storage layers are N physical distribution boxes located at N output positions.
And controlling the N logistics boxes to be output to the corresponding storage layers according to the preset sequence, so that the N logistics boxes are arranged at the N storage positions of the storage layers according to the preset sequence, and accordingly, the N logistics boxes can be output to the corresponding receiving stations according to the preset sequence.
Specifically, each logistics box is attached with a bar code storing receiving station information corresponding to the logistics box, the identification device 5 is a bar code scanner for identifying the bar code on the logistics box, and the control unit controls the output line 11 and the transplanting device 4 according to the receiving station information of the logistics box fed back by the identification device 5, so that the logistics boxes on the output line 11 enter the vertical lifting mechanism 2 according to a preset sequence.
In this embodiment, the preset sequence refers to a sequence of the logistics boxes arriving at the receiving stations during the lifting process of the vertical lifting mechanism 2, that is, the logistics boxes arriving at the corresponding receiving stations after the lifting process of the vertical lifting mechanism 2 are first conveyed into the vertical lifting mechanism 2, so that the N logistics boxes located in one layer of the storage layer 21 are sequentially arranged according to the sequence of arriving at the receiving stations, and in the lifting process of the vertical lifting mechanism 2, the logistics boxes arriving at the corresponding receiving stations first are conveyed out of the vertical lifting mechanism 2, so as to further improve the transmission efficiency of the logistics lifting system.
Taking N as an example, the following is to specifically describe that, after the storage layer corresponds to the output line, the output line is controlled to start to output the physical distribution box into the storage layer:
at this time, it is defined that each of the storage layers 21 has a first storage location 214 and a second storage location 215, wherein the first storage location 214 is located inside the second storage location 215; the output line 11 has a first output position 112 near the vertical lift mechanism 2 and a second output position 113 at an end of the first output position 112 remote from the vertical lift mechanism 2; the buffer 3 is located at one side of the first output position 112, and the identification device 5 is located at the second output position 113.
Meanwhile, it is assumed that the material flow boxes to be output from the output line 11 to the corresponding storage layer 21 are a material flow box a and a material flow box B.
After the storage layer corresponds to the output line, the step of controlling the output line to start to output the logistics box into the storage layer specifically comprises the following steps:
after controlling the vertical lifting mechanism 2 to move to enable one layer of the storage layer 21 to correspond to the output line 11, controlling the output line 11 to start, firstly conveying the logistics box A to the second output position 113, identifying the bar code of the logistics box A by the identification device 5 and feeding the bar code back to the control unit, then continuously starting the output line 11, conveying the logistics box A to the first output position 112, simultaneously conveying the logistics box B to the second output position 113, identifying the bar code of the logistics box B by the identification device 5 and feeding the bar code back to the control unit, comparing the receiving station information of the logistics box A and the logistics box B by the control unit, and judging whether the sequence of the logistics box A and the logistics box B needs to be changed; if yes, the transplanting device 4 is controlled to transplant the logistics box A to the cache area 3, then the output line 11 is controlled to start, the logistics box B is firstly output to the first storage position 214 in the corresponding storage layer 21, then the transplanting device 4 is controlled to transplant the logistics box A to the first output position 112, and the output line 11 is controlled to start to output the logistics box A to the second storage position 215 in the corresponding storage layer 21; if not, the output line 11 is controlled to be started, and the material flow boxes A, B are sequentially conveyed into the corresponding storage layers 21, so that the material flow box a is located at the first storage position 214, and the material flow box B is located at the second storage position 215.
It can be understood that if the control unit determines that the logistics box a reaches the corresponding receiving station first in the lifting process of the vertical lifting mechanism 2, the order of the logistics box a and the logistics box B needs to be changed; therefore, in the process that the vertical lifting mechanism 2 is lifted upwards, the logistics box A which reaches the corresponding receiving station firstly can be output to the vertical lifting mechanism 2, and after the logistics box A is conveyed, the logistics box A is continuously lifted upwards to the receiving station corresponding to the logistics box B, so that the logistics box B can be output to the corresponding receiving station; if the control unit judges that the logistics box B arrives at the corresponding receiving station first in the lifting process of the vertical lifting mechanism 2, the logistics box A can be located at the first storage position 214 and the logistics box B can be located at the second storage position 215 without changing the sequence of the logistics box A and the logistics box B, the logistics box B which arrives at the corresponding receiving station first can be output to the vertical lifting mechanism 2 in the upward lifting process of the vertical lifting mechanism 2, and the logistics box A can be output to the corresponding receiving station by continuously lifting the logistics box B upward to the receiving station corresponding to the logistics box A after the logistics box B is conveyed.
Therefore, the vertical lifting mechanism 2 does not need to repeat up-and-down conveying in the lifting and conveying process, and the conveying efficiency of the logistics lifting system 100 is further improved.
In summary, in the logistics lifting system 100 of the present invention, the vertical lifting mechanism 2 located at the sending station 1 can move in the up-down direction, so that the at least two storage layers 21 can respectively correspond to the output lines 11, and thus, the logistics boxes in a full box state can be placed in the at least two storage layers 21 through the output lines 11, thereby increasing the single transportation capacity of the vertical lifting mechanism 2, improving the transportation efficiency, and satisfying the existing requirement for timeliness of transportation of the materials in the hospital.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A logistics lifting system comprises a sending station and a plurality of receiving stations which are arranged in the vertical direction, a vertical lifting mechanism for transmitting between the sending station and the receiving stations, and a control unit for controlling the logistics lifting system to operate, wherein the vertical lifting mechanism comprises at least two storage layers which are arranged at intervals in the vertical direction, the sending station is provided with an output line, and the output line and the vertical lifting mechanism are both in communication connection with the control unit; the method is characterized in that: the control unit can control the vertical lifting mechanism to move in an up-and-down direction so that the at least two storage layers can respectively correspond to the output lines.
2. The logistics lift system of claim 1, wherein: each storage layer is provided with N storage positions arranged along the output direction of the output line, the output line is provided with N output positions arranged along the output direction, the logistics lifting system further comprises a buffer area which is in one-to-one correspondence with (N-1) output positions close to the vertical lifting mechanism, a transplanting device used for transmitting between the buffer area and the corresponding output positions, and an identification device arranged at the Nth output position, the transplanting device and the identification device are both in communication connection with the control unit, and the control unit controls the conveying line and the transplanting device according to receiving station information of the N logistics boxes at the N conveying positions fed back by the identification device, so that the N logistics boxes enter the vertical lifting mechanism according to a preset sequence; wherein N is a positive integer, and N is more than or equal to 2.
3. The logistics lift system of claim 2, wherein: the N is 2, and the output line is provided with a first output position close to the vertical lifting mechanism and a second output position at one end of the first output position far away from the vertical lifting mechanism; the buffer area is located on one side of the first output position, and the identification device is arranged at the second output position.
4. The logistics lift system of claim 2, wherein: the identification device is a code scanner used for identifying a bar code on the logistics box.
5. The logistics lift system of claim 2, wherein: the transplanting device comprises a transplanting roller line group with a plurality of transplanting roller lines, a lifting motor for driving the transplanting roller line group to lift up and down, and a rotating motor for driving the transplanting roller lines to rotate.
6. The logistics lift system of claim 5, wherein: each output position is provided with a plurality of first roller lines which are arranged at intervals along the output direction of the output line, the cache area is provided with a plurality of third roller lines which are arranged at intervals along the output direction, part of the transplanting roller lines are distributed among the first roller lines corresponding to the transplanting roller lines, and the other part of the transplanting roller lines are distributed among the third roller lines.
7. A control method of controlling the logistics lift system of claim 1, wherein: the control method comprises the following steps:
and controlling the vertical lifting mechanism positioned at the sending station to move along the up-down direction so as to enable each storage layer to correspond to the output line respectively, and controlling the output lines to start to output the logistics boxes into the storage layers after the storage layers correspond to the output lines.
8. The method of controlling a logistics lift system of claim 7 wherein: each of the memory layers has N memory locations arranged in an output direction of the output line; the step of controlling the output line to be started so as to output the logistics box into the storage layer specifically comprises the following steps:
comparing the receiving station information of the N logistics boxes to be conveyed to the corresponding storage layer;
and controlling the N logistics boxes to output to the corresponding storage layers according to the receiving station information in a preset sequence.
9. The method of controlling a logistics lift system of claim 8 wherein: the logistics lifting system further comprises buffer areas which are in one-to-one correspondence with (N-1) output positions close to the vertical lifting mechanism, a transplanting device used for transmitting between the buffer areas and the corresponding output positions, and an identification device arranged at the Nth output position and used for identifying receiving station information of the logistics boxes, wherein the transplanting device and the identification device are in communication connection with the control unit.
10. The method of controlling a logistics lift system of claim 8 wherein: the preset sequence is the sequence of the vertical lifting mechanism passing through the receiving station.
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|---|---|---|---|
| CN201910928558.9A CN110641967B (en) | 2019-09-28 | 2019-09-28 | Logistics lifting system and control method thereof |
| PCT/CN2019/118494 WO2021056755A1 (en) | 2019-09-28 | 2019-11-14 | Logistics lifting system and control method therefor |
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| CN201910928558.9A CN110641967B (en) | 2019-09-28 | 2019-09-28 | Logistics lifting system and control method thereof |
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Cited By (1)
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| CN111990858A (en) * | 2020-07-03 | 2020-11-27 | 安阳师范学院 | Quick access equipment of logistics storage |
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| WO2021056755A1 (en) | 2021-04-01 |
| CN110641967B (en) | 2021-08-10 |
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