CN115907607A - Rear-row shelf straight-in and straight-out method based on main and auxiliary shelves - Google Patents

Abstract

The invention discloses a method for straight-in and straight-out of a rear row shelf based on main and auxiliary shelves, which comprises the following steps: for the filter stick ex-warehouse task, filter sticks are screened in the whole front and rear row shelf system; if the front row of shelves is in the warehouse, directly distributing warehouse-out tasks; if the goods shelf is arranged at the back, firstly generating a transfer task from the goods shelf arranged at the back to the goods shelf arranged at the front, and after the transfer task is finished, generating a warehouse-out task from the transfer goods shelf to the transmitter; distributing warehousing goods positions for a blank bucket warehousing task of a transmitter; if the front row of shelves is in the storage, directly distributing the warehousing task; if the warehousing goods position is on the rear row of goods shelves, a transfer task of transferring the goods position from the transmitter to the front row of goods shelves is firstly generated, and after the transfer task is completed, a warehousing task of transferring the middle station goods position to the rear row of goods shelves is generated. The method for directly feeding and discharging the rear row of goods shelves based on the main and auxiliary goods shelves ensures that filter rods of the rear row of goods shelves can directly generate a warehouse outlet task to the transmitter end, and an empty tray at the transmitter end can also be directly distributed to the rear row of goods shelves.

Description

Rear-row shelf straight-in and straight-out method based on main and auxiliary shelves

Technical Field

The invention relates to the technical field of logistics in the cigarette industry, in particular to a method for directly feeding back row goods shelves in a straight way based on main and auxiliary goods shelves.

Background

The layout modes of the automatic stereoscopic warehouse for storing the filter sticks are various, in order to improve the warehousing efficiency, an enterprise adopts the structural layout of double rows of goods shelves, the double rows of goods shelves are positioned in a forming unit and an emitter unit, and at a forming end, a filter stick library management system sends the filter sticks produced by the forming unit into the stereoscopic warehouse and provides empty lattice buckets for the forming unit; and at the emission end, the filter rod library management system outputs and emits the filter rods, and recovers the blank hoppers into a warehouse. However, in production, the filter sticks on the rear row of shelf can not be directly conveyed to the emitting end, when the front row of shelf is required to have a vacancy, a warehouse moving task is generated, and when the emitter needs the filter sticks, the filter sticks can only be discharged from the front row of shelf.

The design of double rows of goods shelves exists in the design of the existing automatic three-dimensional warehouse, but aiming at the double rows of goods shelves of the filter stick warehouse, the two rows of goods shelves are mutually independent, a unified whole is not formed, and the whole management of goods positions can not be carried out; in addition, when the transmitter needs materials, the warehouse-out task can be generated only on the front row of goods shelves, the materials on the rear row of goods shelves cannot directly reach the transmitting end, and the empty trays of the transmitting end cannot be directly distributed to the rear row of goods shelves. In this case, the first-in first-out cannot be strictly executed for the material; meanwhile, the operating efficiency of the stacker and the goods shelf is also reduced.

Therefore, a method for straight-in and straight-out of the rear row of shelves based on the main and auxiliary shelves is needed.

Disclosure of Invention

The invention aims to provide a method for directly feeding and directly discharging back row shelf based on main and auxiliary shelf, which solves the problems in the prior art, can ensure that filter sticks of the back row shelf can directly generate a warehouse-out task to a transmitter end, and an empty tray at the transmitter end can also be directly distributed to the back row shelf.

The invention provides a method for straight-in and straight-out of a back row of goods shelves based on main and auxiliary goods shelves, which comprises the following steps:

for the filter stick ex-warehouse task, filter stick screening is carried out in the whole shelf system consisting of a front row of shelves and a rear row of shelves through a computer management system;

if the screened filter sticks are on the front row of shelves, directly distributing the ex-warehouse task from the front row of shelves to the transmitter;

if the screened filter sticks are on the rear row of goods shelves, a transfer task of a transfer goods position from the rear row of goods shelves to the front row of goods shelves is firstly generated, and after the transfer task is finished, a delivery task from the transfer goods position to the transmitter is generated;

for the space bucket warehousing task of the transmitter, allocating warehousing goods positions through a computer management system;

if the warehousing goods location is on the front row shelf, directly distributing the warehousing task from the transmitter to the front row shelf;

if the warehousing goods position is on the rear row of goods shelves, a transfer task from the transmitter to the transfer goods position of the front row of goods shelves is firstly generated, and after the transfer task is completed, a warehousing task from the middle station goods position of the front row of goods shelves to the rear row of goods shelves is generated.

The method for straight-in and straight-out of the back row shelf based on the main and auxiliary shelves as described above, wherein, preferably, for the task of taking out the filter rods from the storage, the computer management system performs the filter rod implementation in the whole shelf system composed of the front row shelf and the back row shelf, specifically comprising:

an electronic control system at the transmitting end applies for the filter stick to be delivered out of the warehouse, and a computer management system screens the filter sticks according to a first-in first-out principle and a center row principle.

The method for straight-in and straight-out of the rear row of shelves based on the main shelf and the auxiliary shelf as described above, wherein preferably, the first-in first-out principle comprises: in the preset area, the filter rods of each brand are sequenced according to the sequence of warehousing time, when a stacker executes a filter rod ex-warehouse task, the filter rods with early warehousing time are preferentially ex-warehouse, and filter rod screening is specifically performed through the following formula:

M _ij ＝Max(K _i,j )n≤i≤m,1≤j≤8 (1)

wherein M is _ij Shows the best-fit filter rods after screening, where n and m denote search areas centered on the stations, K _i,j Filter rods, max (K), in rows i and j layers of the goods space of the goods shelf _i,j ) And indicating the searched brand filter stick with the earliest warehousing time.

The method for straight-in and straight-out of the rear row of shelves based on the main shelf and the auxiliary shelf as described above, wherein preferably, the center column principle comprises: each transmitting end conveying platform is provided with a central row and a goods position area which are opposite to goods shelves, the central row represents the number of the goods shelves closest to the conveying platform, the central row is used as the center, and a goods position area is set.

The method for straight-in and straight-out of the rear row of shelves based on the main and auxiliary shelves as described above, wherein preferably, in the task of discharging the filter rods, if the screened filter rods are on the front row of shelves, the task of directly distributing the filtered filter rods from the front row of shelves to the transmitter is performed, specifically comprising:

the computer management system directly generates the ex-warehouse task from the front-row shelf to the transmitting station and issues the ex-warehouse task to the stacker.

The method for directly entering and directly exiting the rear row shelf based on the main shelf and the auxiliary shelf as described above, wherein preferably, in the task of discharging the filter rods from the warehouse, if the screened filter rods are on the rear row shelf, the task of transferring the goods location from the rear row shelf to the front row shelf is generated first, and after the transfer task is finished, the task of discharging from the transfer goods location to the transmitter is generated, specifically comprising:

the computer management system matches the optimal transfer goods position in the front row goods shelf through the following formula:

Min(X)＝|BalancePoint-X _i | (2)

wherein x is _PosSource X-axis coordinate, X, representing the starting address of a stacker task _PosDest X-axis coordinate, X, representing target address of stacker task _BalancePoint ＝(x _PosSource +x _PosDest ) The mean value of the X-axis coordinates of the start address and the target address of the stacker task is represented by/2, and the mean value X is used _BalancePoint Comparing the X-axis coordinates of the transit cargo positions, and selecting the cargo position with the minimum difference value as the transit cargo position;

the stacker executes the transfer task of the transfer goods position from the rear-row goods shelf to the front-row goods shelf, and reports the transfer task to the computer management system after the stacker finishes the front-section ex-warehouse task;

after receiving the front-segment task completion information reported by the stacker, the computer management system generates a rear-segment ex-warehouse task from the front-row transfer position to the transmitting station and sends the rear-segment ex-warehouse task to the stacker;

and the stacker finishes the rear-section ex-warehouse task and reports the rear-section ex-warehouse task to the computer management system, and after the report is finished, the ex-warehouse task of the whole rear-row shelf is finished.

In the above-described method for straight-in and straight-out of rear racks on the basis of the main and sub racks, it is preferable that the transfer position is used only for the transfer task of the straight-in and straight-out task of the rear rack, and in the case where the front rack has 80 rows and 8 floors in total, the 2 nd floor, the 4 th floor, the 6 th floor, and the 8 th floor among the 30 th row, the 40 th row, and the 50 th row are used as the transfer positions in consideration of the overall balance.

The method for directly entering and directly exiting the back row of shelves based on the main shelf and the auxiliary shelf preferably allocates warehousing goods places for the space bucket warehousing task of the transmitter through a computer management system, and specifically comprises the following steps:

after the blank buckets generated by the transmitter reach the preset number, the electronic control system of the transmitting end applies for empty-tray warehousing, and the computer management system distributes the goods positions according to a goods shelf storage principle, a goods position balance principle and a shortest path principle.

The method for directly entering and directly exiting the rear row shelf based on the main shelf and the auxiliary shelf preferably includes that the electronic control system of the transmitting terminal applies for empty storage, and the computer management system allocates the goods space according to a shelf storage principle, a goods space balance principle and a shortest path principle, and specifically includes:

the computer management system preferentially searches the front row of goods shelves, takes the shortest running path of the stacker as a starting address and takes the center of the conveying platform as the starting address, and sequentially searches the vacant goods positions at two sides;

the rear row of shelves are the same as the front row of shelves, and the retrieval is carried out according to the principle of the central column, and the specific retrieval formula is as follows:

Min(X _i )＝|X _i Pos-Center ColumnsX _a | (3)

wherein, center ColumnsX _a X-axis coordinate of central row representing a station _i Pos represents the X-axis coordinate of the vacant goods position i, the goods position with the minimum difference value is taken as the best matching goods position, and if the X-axis coordinates of a plurality of goods positions in the same row are equal, a Y-axis coordinate value Y is selected _i The goods position with the largest Pos is used as the best matching goods position;

if the warehousing goods location is on the rear-row shelf, the empty trays of the transfer goods location are preferentially taken out of the warehouse, at the moment, the empty tray set can be transferred to the transfer goods location on the front-row first, the waiting time of the preset time is available, the computer management system searches whether the forming machine has the warehouse-out requirement of the empty tray set in the waiting time, if the forming machine set just has the warehouse-out requirement of the empty tray set at the moment, the empty tray set of the transfer goods location is preferentially taken out of the warehouse, and the empty tray set is directly conveyed to the platform of the forming machine by the stacker for use.

The method for directly entering and directly exiting the rear row shelf based on the main shelf and the auxiliary shelf preferably includes, in a space hopper warehousing task, if a warehousing goods location is on the rear row shelf, generating a transfer task of a transfer goods location from a transmitter to a front row shelf, and after the transfer task is completed, generating a warehousing task of a transfer goods location from a front row shelf to a rear row shelf, and specifically includes:

the stacker executes a transfer task from the transmitter end to a transfer goods position of the front-row goods shelf, and reports the transfer task to the computer management system after the stacker finishes the transfer task;

after receiving the transfer task completion information reported by the stacker, the computer management system generates a transfer task from a transfer goods location of the front-row goods shelf to the rear section of the rear-row goods shelf and sends the transfer task to the stacker;

and the stacker finishes the rear-section carrying task and reports the rear-section carrying task to a computer management system, and after the report is finished, the whole empty disk warehousing task is finished.

The invention provides a method for directly entering and directly exiting a rear row of goods shelves based on a main goods shelf and an auxiliary goods shelf, which is characterized in that the two rows of goods shelves are regarded as a unified whole, unified warehousing and ex-warehouse management and task allocation management are carried out, so that the goods shelves are more balanced in storage and more balanced in goods space allocation, and tasks are comprehensively managed, so that the task amount can be effectively reduced, and the operation efficiency of an automatic three-dimensional warehouse is improved; the storage capacity of the automatic three-dimensional warehouse is increased, so that the number of groups of bins of the automatic three-dimensional warehouse can be increased; the first-in first-out mode can be strictly executed when the filter sticks are discharged from the storage, and the situation that the filter sticks cannot be discharged from the storage because of a rear row of goods shelves is avoided; before transformation, the filter sticks on the rear row of storage racks need to be sent to the transmitter, a storage-dumping task needs to be generated firstly, and the filter sticks on the rear row of storage racks are transported to the front row of storage racks when the stacker is idle.

Drawings

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:

FIG. 1 is a top view of an automatic stereoscopic magazine of filter rods;

figure 2 is a side view of a filter rod autostereoscope;

FIG. 3 is a flowchart of an embodiment of a method for straight-in and straight-out of a rear row shelf based on a main shelf and a secondary shelf provided by the invention;

fig. 4 is a logic diagram of a rear-row filter stick straight-out method of an embodiment of the rear-row shelf straight-in and straight-out method based on the main shelf and the auxiliary shelf provided by the invention;

FIG. 5 is a logic diagram of an empty tray direct-in method of the embodiment of the invention based on the direct-in and direct-out of the rear row shelf of the main and auxiliary shelves;

fig. 6 is a schematic diagram of a transfer location of a filter stick according to an embodiment of a method for straight-in and straight-out of a rear row shelf based on a main shelf and a secondary shelf provided by the invention.

Detailed Description

Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

As used in this disclosure, "first", "second": and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationship may also be changed accordingly.

In the present disclosure, when a specific component is described as being located between a first component and a second component, there may or may not be intervening components between the specific component and the first component or the second component. When it is described that a specific component is connected to other components, the specific component may be directly connected to the other components without having an intervening component, or may be directly connected to the other components without having an intervening component.

All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

The method for directly feeding in and directly discharging out the back row shelf based on the main and auxiliary shelves takes the automatic three-dimensional library of the filter sticks of the main and auxiliary shelves shown in the figures 1 and 2 as a platform, and optimizes the processes of the procedure of feeding in and discharging out the back row shelf, the goods position management, the goods position distribution strategy, the task segmentation processing and the like through algorithm improvement and a computer management system, so that the operation efficiency of the automatic three-dimensional library is improved; unified management of two rows of goods shelves can be realized, back row goods shelves are straight-in and straight-out, have improved product quality.

As shown in fig. 3 to fig. 5, in an actual implementation process, the method for straight-in and straight-out of a back-row shelf based on main and sub-shelves specifically includes the following steps:

and S1, for the filter stick ex-warehouse task, filtering filter sticks in the whole shelf system consisting of a front row of shelves and a rear row of shelves through a computer management system.

Before transformation, a certain goods position must be reserved on the front row of goods shelves for automatic warehousing of empty tray groups, the total largest goods position stock is 894 groups, the front row of goods shelves and the rear row of goods shelves are taken as a unified whole, integral goods position management and goods position distribution are carried out, the storage capacity of the automatic three-dimensional warehouse is increased, after transformation, the front row of goods shelves can be arranged in a plurality, the total storage capacity of 50 groups is increased, and the increase is 5.59%. Specifically, an electronic control system at the emitting end applies for filter stick ex-warehouse, and a computer management system screens filter sticks according to a first-in first-out principle and a center row principle.

Wherein, the first-in first-out principle comprises: in the preset area, the filter rods of each brand are sequenced according to the sequence of warehousing time, when a stacker executes a filter rod ex-warehouse task, the filter rods with early warehousing time are preferentially ex-warehouse, and filter rod screening is specifically performed through the following formula:

M _ij ＝Max(K _i,j )n≤i≤m,1≤j≤8 (1)

wherein M is _ij Shows the best-fit filter rods after screening, where n and m denote search areas centered on the stations, K _i,j Filter rods, max (K), in rows i and j layers of the goods space of the goods shelf _i,j ) And indicating the searched brand filter stick with the earliest warehousing time.

The center column principle comprises: each transmitting end conveying platform is provided with a central row and a goods position area which are opposite to the goods shelves, the central row represents the number of the goods shelves closest to the conveying platform, the central row is taken as the center, and the goods position area is set.

And S2, if the screened filter sticks are on the front row of shelves, directly distributing ex-warehouse tasks from the front row of shelves to the transmitter.

Specifically, the computer management system directly generates the ex-warehouse task from the front-row shelf to the launching platform, and issues the ex-warehouse task to the stacker.

And S3, if the screened filter rods are on the rear row of goods shelves, generating a transfer task from the rear row of goods shelves to a transfer goods position on the front row of goods shelves, and generating an ex-warehouse task from the transfer goods position to the transmitter after the transfer task is finished.

In an embodiment of the method for straight-in and straight-out of the back row of racks based on the main and sub racks, the step S3 may specifically include:

s31, matching the optimal transfer position in the front row of goods shelves by the computer management system through the following formula:

Min(X)＝|BalancePoint-X _i | (2)

wherein x is _PosSource X-axis coordinate, X, representing the starting address of a stacker task _PosDest Representing stacker tasksX-axis coordinate of the target address of (2), X _BalancePoint ＝(x _PosSource +x _PosDest ) The mean value of the X-axis coordinates of the start address and the target address of the stacker task is represented by/2, and the mean value X is used _BalancePoint And comparing the X-axis coordinates of the transfer cargo space, and selecting the cargo space with the minimum difference value as the transfer cargo space.

In which the transfer location is used only for the transfer task of the in-and-out task of the rear shelf, in some embodiments of the present invention, in the case that the front shelf has 80 rows and 8 floors in total, as shown in fig. 6, the 2 nd floor, the 4 th floor, the 6 th floor and the 8 th floor of the 30 th row, the 40 th row and the 50 th row are used as the transfer location in consideration of the overall balance. Through setting up a plurality of transfer goods positions, do not open to outside at ordinary times, direct income straight-out transfer task to the back row specially, can satisfy a plurality of straight-in straight-out tasks that the back row goods shelves produced. It should be noted that, the number of rows and the number of layers of the transfer locations of the front row of shelves are not specifically limited.

And S32, the stacker executes a transfer task from the rear-row shelf to a transfer goods position of the front-row shelf, and reports the transfer task to the computer management system after the stacker finishes the front-section ex-warehouse task.

And step S33, after receiving the front-section task completion information reported by the stacker, the computer management system generates a rear-section ex-warehouse task from the front-row transfer location to the launching platform and sends the rear-section ex-warehouse task to the stacker.

And S34, the stacker finishes the rear-section ex-warehouse task and reports the rear-section ex-warehouse task to the computer management system, and after the report is finished, the ex-warehouse task of the whole rear-row shelf is finished.

And S4, distributing warehousing goods positions for the space hopper warehousing task of the transmitter through a computer management system.

Specifically, after the blank buckets generated by the transmitter reach a preset number, an electric control system of the transmitting end applies for empty tray warehousing, and a computer management system distributes goods positions according to a goods shelf storage principle, a goods position balancing principle and a shortest path principle.

In an embodiment of the method for straight-in and straight-out of the back-row shelf based on the main shelf and the auxiliary shelf of the present invention, the step S4 may specifically include:

and S41, the computer management system preferentially searches the front row of goods shelves, sequentially searches the vacant goods positions from two sides by taking the shortest running path of the stacker as a starting address and taking the center of the conveying platform as the starting address, when a certain row has a plurality of vacant goods positions, puts a light-weight blank bucket to a high-position goods position by taking the stability of the goods shelves into consideration, and if no vacant goods position exists in the whole searching area, allocates the blank bucket to a rear row of goods shelves.

Step S42, the rear row of shelves is the same as the front row of shelves, and the retrieval is carried out according to the principle of the central column, wherein the specific retrieval formula is as follows:

Min(X _i )＝|X _i Pos-Center ColumnsX _a | (3)

wherein, center ColumnsX _a Representing the X-axis coordinate of the central row of the station a, X _i Pos represents the X-axis coordinate of the vacant goods position i, the goods position with the minimum difference value is taken as the best matching goods position, and if the X-axis coordinates of a plurality of goods positions in the same row are equal, a Y-axis coordinate value Y is selected _i The position with the largest Pos is used as the best matching position.

And S43, if the warehousing goods location is on the rear shelf, the empty tray of the transfer goods location is preferentially taken out of the warehouse, at the moment, the empty tray group is firstly transferred to the front transfer goods location, at the moment, the waiting time of preset time exists, the computer management system searches whether the forming machine has the warehouse-out requirement of the empty tray group in the waiting time, if the forming machine set just has the warehouse-out requirement of the empty tray group at the moment, the empty tray group of the transfer goods location is preferentially taken out of the warehouse and is directly conveyed to the forming machine platform by the stacker for use.

When the transmitter set generates empty tray group warehousing tasks, in order to reduce the workload of the stacker, the front-row shelf is preferentially allocated, and the carrying distance is reduced. At this moment, the empty pallet group can be transferred to the transfer goods location of the front row firstly, at this moment, the waiting time is 1 minute for example, the computer management system searches whether the forming machine has the delivery requirement of the empty pallet group in this period, if the forming machine set has the delivery requirement of the empty pallet group at this moment, then the empty pallet group of the transfer goods location is delivered out preferentially, the stacker is directly conveyed to the platform of the forming machine for use, the complex flow that the transfer goods location is put into the rear row goods shelf, and then the rear row goods shelf is delivered out to the platform of the forming machine is avoided, the original 2 stacker tasks are reduced to 1, the operating efficiency of the stacker is improved, and the task amount is reduced.

The invention provides a concept of a center row, and each forming conveyor platform and each transmitter conveyor platform have a coordinate value of a cargo space center row according to the position of a corresponding shelf. The central column has two functions, firstly, a central column retrieval principle is added in a filter stick and goods position retrieval condition in a program of a computer management system, so that a stacker can be ensured to pick and place goods nearby, the running path between a starting address and a destination address is shortest, and the back discharge and straight-in time is ensured to be fastest; and secondly, judging which stacker the task is given to according to the station center column and the goods position address, and ensuring the task balance among the stackers as much as possible, wherein the specific algorithm is to compare a preset value ChoicePoint with a mean BalancePoint of X-axis coordinates of a starting address and a target address of the stackers shown in a formula (2), and if the BalancePoint is larger, the task is allocated to the number 4 stacker, and otherwise, the task is allocated to the number 3 stacker as shown in figure 1. For example, when the task volumes of the number 3 stacker and the number 4 stacker are the same, the value of ChoicePoint is the X-axis coordinate of the center column of the number 5 transmitting end, and when the task volumes of the number 3 stacker and the number 4 stacker are more, the value of ChoicePoint is reduced to distribute more tasks to the number 4 stacker, so that task balance between the stackers is ensured.

And S5, if the warehousing goods location is on the front row of shelves, directly distributing the warehousing task from the transmitter to the front row of shelves.

Specifically, the computer management system directly generates an empty tray group warehousing task from the transmitting station to the front-row shelf, and issues the warehousing task to the stacker.

And S6, if the warehousing goods position is on the rear row of goods shelves, generating a transfer task from the transmitter to the transfer goods position of the front row of goods shelves, and after the transfer task is completed, generating a warehousing task from the middle station goods position of the front row of goods shelves to the rear row of goods shelves.

In an embodiment of the method for straight-in and straight-out of the back-row shelf based on the main shelf and the auxiliary shelf of the present invention, the step S6 may specifically include:

and S61, the stacker executes a transfer task from the transmitter end to a transfer position of the front-row shelf, and reports the transfer task to the computer management system after the stacker finishes the transfer task.

And S62, after receiving the transfer task completion information reported by the stacker, the computer management system generates a transfer task from the transfer goods position of the front row of goods shelves to the rear section of the rear row of goods shelves and sends the transfer task to the stacker.

And S63, the stacker finishes the rear-section carrying task and reports the rear-section carrying task to a computer management system, and after the report is finished, the whole empty disc warehousing task is finished.

In some embodiments of the present invention, as shown in fig. 1, when # 1 and # 2 stackers have a fault, if the transmitter has an in-out request, and an in-out task of a rear rack is generated, a normal work flow of the transmitter is affected because an equipment fault task cannot be executed, at this time, a straight-in and straight-out function of the rear rack may be directly turned off in a management interface of a computer management system, so as to ensure that the transmitter does not generate the in-out task of the rear rack when the computer management system performs task allocation, and thus normal work of a transmitting end is not affected.

According to the method for directly entering and directly exiting the rear-row goods shelves based on the main and auxiliary goods shelves, the two rows of goods shelves are regarded as a unified whole, unified warehousing and ex-warehouse management and task allocation management are performed, so that the goods shelves are more balanced in storage and more balanced in goods space allocation, tasks are comprehensively managed, the task amount can be effectively reduced, and the operation efficiency of the automatic three-dimensional warehouse is improved; the storage capacity of the automatic three-dimensional warehouse is increased, so that the number of groups of bins of the automatic three-dimensional warehouse can be increased; the first-in first-out mode can be strictly executed when the filter sticks are discharged from the storage, and the situation that the filter sticks cannot be discharged from the storage because of a rear row of goods shelves is avoided; before transformation, the filter sticks on the rear row of storage racks need to be sent to the transmitter, a storage-dumping task needs to be generated firstly, and the filter sticks on the rear row of storage racks are transported to the front row of storage racks when the stacker is idle.

Thus, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims (10)

1. A rear row shelf straight-in and straight-out method based on main and auxiliary shelves is characterized by comprising the following steps:

for the filter stick ex-warehouse task, filter stick screening is carried out in the whole shelf system consisting of a front row of shelves and a rear row of shelves through a computer management system;

if the screened filter sticks are on the front row of shelves, directly distributing the ex-warehouse task from the front row of shelves to the transmitter;

if the screened filter sticks are on the rear row of goods shelves, a transfer task of a transfer goods position from the rear row of goods shelves to the front row of goods shelves is firstly generated, and after the transfer task is finished, a delivery task from the transfer goods position to the transmitter is generated;

for the space bucket warehousing task of the transmitter, allocating warehousing goods positions through a computer management system;

if the warehousing goods location is on the front row shelf, directly distributing the warehousing task from the transmitter to the front row shelf;

if the warehousing goods position is on the rear row of goods shelves, a transfer task from the transmitter to the transfer goods position of the front row of goods shelves is firstly generated, and after the transfer task is completed, a warehousing task from the middle station goods position of the front row of goods shelves to the rear row of goods shelves is generated.

2. The method for straight-in and straight-out of the rear row of shelves based on the main shelf and the auxiliary shelf as claimed in claim 1, wherein for the task of discharging filter rods from a storage, the implementation of the filter rods in the whole shelf system consisting of the front row of shelves and the rear row of shelves through a computer management system specifically comprises the following steps:

an electronic control system at the transmitting end applies for the filter stick to be delivered out of the warehouse, and a computer management system screens the filter sticks according to a first-in first-out principle and a center row principle.

3. The method for straight-in and straight-out of rear row of shelves based on main and auxiliary shelves according to claim 2, wherein the first-in and first-out principle comprises: in the preset area, the filter rods of each brand are sequenced according to the sequence of warehousing time, when a stacker executes a filter rod ex-warehouse task, the filter rods with early warehousing time are preferentially ex-warehouse, and filter rod screening is specifically performed through the following formula:

M _ij ＝Max(K _i,j )n≤i≤m,1≤j≤8 (1)

wherein, M _ij Shows the best-fit filter rods after screening, where n and m denote search areas centered on the stations, K _i,j Filter rods, max (K), in rows i and j layers of the goods space of the goods shelf _i,j ) And indicating the searched brand filter stick with the earliest warehousing time.

4. The method for straight-in and straight-out of rear row of shelves based on main and auxiliary shelves as claimed in claim 2, wherein the center column principle comprises: each transmitting end conveying platform is provided with a central row and a goods position area which are opposite to the goods shelves, the central row represents the number of the goods shelves closest to the conveying platform, the central row is taken as the center, and the goods position area is set.

5. The method for straight-in and straight-out of rear-row shelves based on main shelves and auxiliary shelves according to claim 1, wherein in the task of discharging filter rods, if the screened filter rods are on the front-row shelves, the task of directly distributing the filtered filter rods from the front-row shelves to the transmitters is performed, and the method specifically comprises the following steps:

the computer management system directly generates the ex-warehouse task from the front-row goods shelf to the transmitting station and issues the ex-warehouse task to the stacker.

6. The method for straight-in and straight-out of rear row shelf based on main and auxiliary shelves according to claim 1, wherein in the task of ex-warehouse of filter sticks, if the screened filter sticks are on the rear row shelf, the task of transferring goods location from the rear row shelf to the front row shelf is generated first, and after the task of transferring goods is finished, the task of ex-warehouse from the transferring goods location to the transmitter is generated, which specifically comprises:

the computer management system matches the optimal transfer goods position in the front row goods shelf through the following formula:

Min(X)＝|BalancePoint-X _i | (2)

wherein x is _PosSource X-axis coordinate, X, representing the starting address of a stacker task _PosDest X-axis coordinate, X, representing target address of stacker task _BalancePoint ＝(x _PosSource +x _PosDest ) The mean value of the X-axis coordinates of the start address and the target address of the stacker task is represented by/2, and the mean value X is used _BalancePoint Comparing the X-axis coordinates of the transit cargo positions, and selecting the cargo position with the minimum difference value as the transit cargo position;

the stacker executes a transfer task from the rear-row goods shelf to a transfer goods position of the front-row goods shelf, and reports the transfer task to the computer management system after the stacker finishes the front-section ex-warehouse task;

after receiving the front-segment task completion information reported by the stacker, the computer management system generates a rear-segment ex-warehouse task from the front-row transfer position to the launching platform and sends the rear-segment ex-warehouse task to the stacker;

and the stacker finishes the rear-section ex-warehouse task and reports the rear-section ex-warehouse task to the computer management system, and after the report is finished, the ex-warehouse task of the whole rear-row shelf is finished.

7. The main and sub-rack based rear rack straight-in and straight-out method according to claim 6, wherein the transfer location is used only for the transfer task of the straight-in and straight-out task of the rear rack, and in case that the front rack has a total of 80 rows and 8 floors, the 2 nd floor, the 4 th floor, the 6 th floor and the 8 th floor of the 30 th row, the 40 th row and the 50 th row are used as the transfer locations in consideration of the overall balance.

8. The method for the direct-in and direct-out of the back row shelf based on the main shelf and the auxiliary shelf as claimed in claim 1, wherein for the space bucket warehousing task of the transmitter, warehousing goods positions are allocated through a computer management system, and the method specifically comprises the following steps:

after the blank buckets generated by the transmitter reach the preset number, an electric control system of the transmitting end applies for empty tray warehousing, and a computer management system distributes goods positions according to a goods shelf storage principle, a goods position balancing principle and a path shortest principle.

9. The method for the direct-in and direct-out of the rear row of racks based on the main and auxiliary racks as claimed in claim 8, wherein the electronic control system at the transmitting end applies for empty storage, and the computer management system performs the allocation of the cargo space according to the rack storage principle, the cargo space balancing principle and the shortest route principle, specifically comprising:

the computer management system preferentially searches the front row of goods shelves, takes the shortest running path of the stacker as a starting address and takes the center of the conveying platform as the starting address, and sequentially searches the vacant goods positions at two sides;

the back row of goods shelves are the same as the front row of goods shelves, and the retrieval is carried out according to the principle of the central column, wherein the specific retrieval formula is as follows:

Min(X _i )＝|X _i Pos-Center ColumnsX _a | (3)

wherein, center ColumnsX _a Representing the X-axis coordinate of the central row of the station a, X _i Pos represents the X-axis coordinate of the vacant cargo space i, the cargo space with the minimum difference value is used as the best matching cargo space, and if the X-axis coordinates of a plurality of cargo spaces in the same row are equal, the Y-axis coordinate value Y is selected _i The goods position with the largest Pos is used as the best matching goods position;

if the warehousing goods location is on the rear shelf, the empty trays of the transfer goods location are preferentially taken out of the warehouse, at the moment, the empty tray group can be transferred to the front transfer goods location, at the moment, the waiting time of preset time exists, the computer management system searches whether the forming machine has the warehouse-out requirement of the empty tray group in the waiting time, if the forming machine set just has the warehouse-out requirement of the empty tray group at the moment, the empty tray group of the transfer goods location is preferentially taken out of the warehouse, and the empty tray group is directly conveyed to the forming machine platform by the stacker for use.

10. The method for straight-in and straight-out of rear-row shelves based on main and auxiliary shelves according to claim 1, wherein in the space hopper warehousing task, if the warehousing goods location is on the rear-row shelf, the transfer task of the transfer goods location from the transmitter to the front-row shelf is firstly generated, and after the transfer task is completed, the warehousing task of the transfer goods location from the front-row shelf to the rear-row shelf is generated, which specifically comprises:

the stacker executes a transfer task from the transmitter end to a transfer goods position of the front-row goods shelf, and reports the transfer task to the computer management system after the stacker finishes the transfer task;

after receiving the transfer task completion information reported by the stacker, the computer management system generates a transfer task from the transfer goods position of the front-row goods shelf to the rear section of the rear-row goods shelf and sends the transfer task to the stacker;

and the stacker finishes the rear-section carrying task and reports the rear-section carrying task to a computer management system, and after the report is finished, the whole empty disk warehousing task is finished.

Images