CN105173508A - Control method and device for door delivery system in refrigerator production line - Google Patents

Abstract

The invention provides a control method and a control device for a door delivery system in a refrigerator production line, which are used to control door delivery equipment installed in a refrigerator production line. The control method includes: driving a storage carrying device to the door storage area Move, the storage carrying device is loaded into the storage door in the door body assembly area; the door storage data in the door storage area is obtained, and the door storage data includes the position of the carrying device in the door storage area and The model of the door body carried by it; according to the storage data of the door body, determine the target storage location of the storage carrying device according to the preset storage rules; and drive the storage carrying device to enter the target storage location, and match and record the storage door body model and target storage location. The solution of the present invention realizes the intelligent management of the door storage area, improves the utilization efficiency of the door storage area, facilitates management and search, and improves the overall production efficiency of the refrigerator.

Description

Control method and control device for door distribution system in refrigerator production line

technical field

The invention relates to refrigerator manufacturing, in particular to a control method and a control device for a door delivery system in a refrigerator production line.

Background technique

The production process of refrigerators mainly includes parts processing, assembly, final assembly, overall machine performance testing, packaging, and delivery. Among them, refrigerator final assembly is the process of assembling the box body, door body, circuit system, and refrigeration system into a complete machine.

Refrigerator assembly is an important link in manufacturing, and it has high requirements on material flow. Wherein the door body is an indispensable part in the refrigerator. In the prior art, the refrigerator door body is generally counted manually after production is completed, and the door body is pulled to the door body storage area for storage by a tool truck. During the final assembly of the refrigerator, according to the production sequence, the corresponding type of refrigerator door body is manually found from the door body storage area in advance, and transported to the door body installation station of the refrigerator assembly line for use as line-side inventory.

In the prior art, the storage operation of the refrigerator door generally relies on manual operation, and often occurs due to inaccurate door inventory information, resulting in unmatched cabinets and doors during the final assembly process, low efficiency of storage, difficulty in finding materials or even loss of materials. Seriously affect production efficiency.

Contents of the invention

An object of the present invention is to provide a control method and control device for a door distribution system in a refrigerator production line, so as to at least solve some of the defects in the prior art.

Another further object of the present invention is to improve storage efficiency.

A further object of the present invention is to improve the statistical accuracy of door body information.

On the one hand, the present invention provides a method for controlling the door delivery system in the refrigerator production line, which is used to control the door delivery equipment installed in the refrigerator production line. The door delivery equipment includes: a delivery track and a A plurality of carrying devices, each carrying device is used to carry a complete door body of a refrigerator, and the door body conveying equipment is configured to be located between the door body assembly area, the door body storage area, and the refrigerator assembly area of the refrigerator production line Transfer the refrigerator door between them.

The control method for the door body distribution system in the above refrigerator production line includes: driving the storage-in carrying device to move to the door body storage area, and the storage-in carrying device is loaded into the storage door body in the door body assembly area; obtaining the storage area of the door body The door storage data in the door body storage area includes the position of the carrying device in the door body storage area and the model of the door body it carries; according to the door body storage data, it is determined according to the preset storage rules. The target storage location of the device; and driving the storage carrying device into the target storage location, matching and recording the model of the storage door and the target storage location.

Optionally, after the storage-in carrying device is loaded into the storage door body in the door body assembly area, it also includes: obtaining the information of the storage door body input by the operator, and writing the information into the storage door body; In the electronic tag configured on the storage carrying device, the information on the storage door body at least includes the model number of the storage door body.

Optionally, the section of the transmission track in the door body storage area includes: a plurality of storage tracks, each storage track is used to place a predetermined number of carrying devices, and according to the door body storage data according to the preset storage rules to determine the storage The step of storing the target storage position of the library carrying device includes: determining the model of the door body stored on each storage track according to the door body storage data; taking the storage track that only stores the model of the door body that enters the warehouse and has a vacant storage position as the target storage track; If there is no storage track that only stores the model of the storage door body and has a vacant storage position, then count the average number of storage tracks occupied by each type of door body; determine the target storage track of the storage carrying device according to the average number, and Balance the number of storage tracks each model of door takes up.

Optionally, the step of determining the target storage track of the storage carrying device according to the average number includes: comparing the number of storage tracks occupied by the model of the storage door body with the average number; Select the target storage track.

Optionally, when the number of storage tracks occupied by the model of the door body carried by the storage-in carrying device is less than the average number, etc., the priority of selecting the target storage track is as follows: the storage track without storing the carrying device ; Simultaneously store the storage track of the door body of the type carrying the storage door and the empty carrying device; store only the storage track of the empty carrying device; The storage track of the carrying device of the door body type of the storage door; the storage track of the carrying device of the door body carrying multiple non-storage door models at the same time; only the empty carrying device and a The storage track of the carrying device of the door body of the non-storage door type; and the storage track of the carrying device of only one type of non-storage door body type.

Optionally, when the number of storage tracks occupied by the model of the door carried by the storage-in carrying device is greater than or equal to the average number, etc., the priority of selecting the target storage track is as follows: The storage track of the door body of the door type and the empty carrying device; the storage track of the carrying device of the door body of the storage door type and the door body of the non-storage door type at the same time; only the empty The storage track for the carrying device loaded; the storage track for the unloaded carrying device; the storage track for the carrying device carrying multiple types of non-warehousing door models at the same time; the storage track for only the empty carrying device and A storage track for a carrying device of a door body of a non-storage door type; and a storage track for only storing a carrying device carrying a door body of a non-storage door type.

Optionally, after the step of matching and recording the door body information and the target storage location carried by the storage-in carrying device, it also includes: updating the door body storage data on multiple storage tracks, and displaying the updated door body storage data through the display screen. data.

Another aspect of the present invention also provides a control device for the door delivery system in the refrigerator production line, which is used to control the door delivery equipment provided in the refrigerator production line, and the control device includes: a first storage drive module, It is configured to drive the storage-in carrying device to move to the door body storage area, and the storage-in carrying device is loaded into the storage door body in the door body assembly area; the data acquisition module is configured to obtain the door storage area in the door body storage area Data, the door body storage data includes the position of the carrying device in the door body storage area and the information of the door body it carries; the storage location determination module is configured to determine the storage location according to the door body storage data according to the preset storage rules. The target storage location of the storage carrying device; and the second storage drive module, configured to drive the storage carrying device into the target storage location, and match and record the information of the storage door body and the target storage location.

Optionally, the above control device further includes: an information acquisition module configured to acquire information on the storage door input by the operator, and write the information on the storage door into the electronic tag configured on the storage carrying device.

Optionally, the section of the transport track in the door storage area includes: a plurality of storage tracks, each storage track is used to place a predetermined number of carrying devices, and the storage location determination module is further configured to: according to the door storage data Determine the model of the storage door on each storage track; use the storage track that only stores the model of the storage door and has a vacant storage location as the target storage track; if there is no storage that only stores the model of the storage door and has a vacant storage location track, then count the average number of storage tracks occupied by each type of door body; determine the target storage track of the storage carrying device according to the average number, so as to balance the number of storage tracks occupied by each type of door body.

Optionally, the above control device further includes: a data update module configured to update the door storage data on multiple storage tracks, and display the updated door storage data through the display screen.

The control method and control device of the door body distribution system in the refrigerator production line of the present invention are used to control the door body conveying equipment set in the refrigerator production line, so that the door body conveying equipment is configured in the door body assembly area of the refrigerator production line, the door body The refrigerator door is transferred between the storage area and the refrigerator assembly area to complete the distribution of the refrigerator door. Moreover, when the refrigerator door enters the door storage area, the door storage data is used to determine the storage position according to the stored door in the door storage area, so as to realize the intelligent management of the door storage area and improve the storage efficiency of the door. The utilization efficiency of the area is convenient for management and search, so as to improve the overall production efficiency of the refrigerator.

Further, the control method and control device of the door distribution system in the refrigerator production line of the present invention optimize the structure of the delivery track in the section of the door storage area and the storage and storage rules to provide timely, effective, complete and real inventory data to improve the efficiency of storage and storage.

Those skilled in the art will be more aware of the above and other objects, advantages and features of the present invention according to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings.

Description of drawings

Hereinafter, some specific embodiments of the present invention will be described in detail by way of illustration and not limitation with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the attached picture:

Fig. 1 is a schematic structural diagram of a door body distribution system suitable for a control device of a door body distribution system in a refrigerator production line according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of information management components in the door distribution system shown in Fig. 1;

Fig. 3 is a schematic diagram of a control device of a door distribution system in a refrigerator production line according to an embodiment of the present invention;

Fig. 4 is a flow chart of the control method of the door distribution system in the refrigerator production line according to one embodiment of the present invention;

Fig. 5 is the control flowchart of the outbound control device in the door distribution system of the refrigerator production line shown in Fig. 1; and

Fig. 6 is a work flow chart of the door distribution system shown in Fig. 1 .

Detailed ways

An embodiment of the present invention provides a control device for a door delivery system in a refrigerator production line, which is used to control the door delivery equipment provided in the refrigerator production line. Fig. 1 is a schematic structure diagram of a door delivery system suitable for a control device of the door delivery system in a refrigerator production line according to an embodiment of the present invention. The refrigerator door distribution system in this embodiment at least includes: a transmission track 100, a carrying device 110, a first information reading and writing component 210, a second information reading and writing component 220, a third information reading and writing component 230, and a door management component 300 (not shown in FIG. 1 ).

The conveying track 100 runs through the door assembly area 10 , the door storage area 20 , and the refrigerator assembly area 30 in the refrigerator production line. A plurality of carrying devices 110 are arranged on the conveying track 100 to be respectively driven to move along the route set in the conveying track 100, and each carrying device 110 is used to carry a whole set of doors of a refrigerator, for example, For a three-door refrigerator, a set of three doors can be loaded at the same time, and for a double-door refrigerator, two doors can be loaded at the same time. The carrying device 110 can carry the door body to complete the whole process from the completion of assembly, storage and storage to the final assembly of the whole machine. During the entire distribution process of the door body, there is no need for other forms of transmission, handling, loading and unloading, and no manual operation, which avoids problems that affect quality such as bumps.

The above transfer track 100 and carrying device 110 can be realized by using a traditional track trolley. Considering the transmission characteristics of the refrigerator door body, the friction chain transmission method can be preferably used in this embodiment. For example, the transmission track 100 is a friction chain transmission track, and the carrying device 110 is a door hanger assembled on the friction chain transmission track. Using this transmission method, not only can take advantage of the friction chain transmission power, low wear rate, compact structure, long service life, and flexible control, but also realize multi-layer arrangement in the height direction through the lifting and lowering of the spreader, fully saving storage space. The conveying track 100 can be arranged in a loop, and is configured to make the carrying device 110 unloaded from the door body in the refrigerator assembly area 30 return to enter the door body assembly area 10, and the carrying device 110 loaded into the door body into the door body assembly area 10 enters In the door storage area 20 , when refrigerator assembly is required, the carrying device 110 in the door storage area 20 leaves the warehouse to provide the refrigerator assembly area 30 with a door body of a corresponding model.

The above processes of door delivery, storage, and storage can realize information-based intelligent management. Each carrying device 110 is equipped with an electronic tag to record the information of the door carried on the carrying device 110 . The content recorded by the electronic tag includes any one or more of the following: whether a door has been placed on the carrying device 110, the model of the carried door, the quantity of the door, the production time of the door, the door adaptation refrigerator model. In some optional embodiments, the model of the door body is preferably stored in the electronic tag.

Fig. 2 is a schematic diagram of information management components in the door distribution system shown in Fig. 1 . According to the needs of information management, the door distribution system of the entire refrigerator production line in this embodiment can be equipped with multiple information reading and writing components for writing data to or reading data from the electronic tag. In an optional implementation of this embodiment, a first information reading and writing component 210 may be provided, which is arranged in the door body assembly area 10 and is configured to be loaded into the door body carrying device 110 in the door body assembly area 10. The electronic tag writes the corresponding door body information.

The first information reading and writing assembly 210 may include: an input part 211 configured to receive input door body information; and an information writer 212 arranged on the section of the conveying track 100 located in the door body assembly area 10 and connected with the input part 211 data connection to write the input door body information to the electronic tag of the carrying device 110 passing through the information reader. The above-mentioned input unit 211 may be an electronic device (such as a touch screen, etc.) with a display screen and a human-computer interaction interface. The input part 211 can be preset with various door body information, and the door body information can be determined through the selection of various door body models by the door body assembly personnel, so as to reduce personnel's operations and improve efficiency.

The second information reading and writing component 220 can be arranged in the door storage area 20 and configured to read the door information recorded in the electronic tag of the carrying device 110 passing through or placed in the door storage area 20 . There may be multiple second information reading and writing components 220 , for example, they are set at the entrance and exit of the door storage area 20 respectively, so as to read the electronic tags of the unloading device 110 entering and exiting the warehouse.

Since the door body storage area 20 may store multiple signal door bodies at the same time, in order to improve the efficiency of warehouse entry and exit, the section of the transmission track 100 in the door body storage area 20 can be set to include multiple storage tracks, and each storage track is used for Place a predetermined number of carrying devices 110; a storage track, which is connected to multiple storage tracks respectively, so as to send the carrying device 110 from the door body assembly area 10 into one of the multiple storage tracks; and a storage track , respectively connected to the multiple storage tracks, so as to send the carrying devices 110 placed in the multiple storage tracks into the refrigerator assembly area 30 . That is, multiple storage tracks share the same storage track and storage track, which is convenient for controlling the storage carrying device 110 and the storage carrying device 110 .

In this optional embodiment, the second information reading and writing component 220 may include a storage-in information acquisition device 221 and a storage-out information acquisition device 222 . The storage information acquiring device 221 is arranged on the storage track, and is used to read the door information recorded in the electronic tags of the carrying devices 110 passing through the storage track. The outbound information acquisition device 222 is arranged on the outbound track, and is used to read the door information recorded in the electronic tags of the carrying devices 110 passing through the outbound track.

The third information reading and writing component 230 is arranged in the refrigerator assembly area 30 and is configured to read the door information recorded in the electronic tag of the carrying device 110 whose door is removed in the refrigerator assembly area 30 . The third information reading and writing component 230 records the door body information that can be put into final assembly. In addition, the third information reading and writing component 230 can also clear the information recorded in the electronic tag after reading the door information recorded in the electronic tag of the carrying device 110 after the door has been removed, so that the electronic tag instructs the portable The loading device 110 is in an unloaded state.

In an optional implementation of this embodiment, the electronic tag can be an RFID (Radio Frequency Identification, radio frequency identification) tag, and accordingly, the information writer 212 can include an RFID writer, a second information read-write component 220 and The third information reading and writing component 230 respectively includes one or more RFID scanners. In this way, the characteristics of convenient and quick RFID reading, good security and real-time performance, convenient layout and low cost are fully utilized. It should be noted that the embodiments of the present invention can also use other electronic tags to read and write information, such as Bluetooth, zigbee and other electronic devices with the same function to realize reading, writing and storage of information.

The door management component 300 is signal-connected to the first information read-write component 210 , the second information read-write component 220 , and the third information read-write component 230 respectively. The door management component 300 can implement data connection with the first information reading and writing component 210, the second information reading and writing component 220, and the third information reading and writing component 230 by using various wired and wireless data transmission methods. A preferred solution is Use LAN technology to realize the data connection of the above components. The door management component 300 may be configured to acquire and store information of doors carried by multiple carrying devices 110 and positions of multiple carrying devices 110 . The door management component 300 may include an inventory management device 310 , a storage control device 320 , a storage control device 330 and an inventory information output device 340 .

The inventory management device 310 is respectively connected with data of the storage-in information acquisition device 221 and the storage-out information acquisition device 222 in the second information reading and writing assembly 220, and is configured as the position of the carrying device 110 and the carrying device 110 in the door body assembly area 10. The information of the door body. The inventory information output device 340 can be data-connected with the inventory management device 310 for displaying the storage status of the door bodies on multiple storage tracks. For example, different colors or patterns are used to indicate different models of door bodies. The door storage data in the inventory management device 310 can be stored in the format of a two-dimensional array, wherein the number of rows of the two-dimensional array represents the serial number of the storage track, and the number of columns of the two-dimensional array represents the serial number of the carrying device 110 in the storage track. The elements of the two-dimensional array are the models of the doors carried by the carrying device 110 , so as to facilitate the query of the stored data of the doors.

The control device of this embodiment can be used as the above storage control device 320, the storage control device 320 is connected with the inventory management device 310 data, and is configured to determine the carrying device 110 in the storage track according to the preset storage rules. The target deposit location in orbit.

Fig. 3 is a schematic diagram of a control device 320 of a door distribution system in a refrigerator production line according to an embodiment of the present invention. The warehousing control device 320 may include: a first warehousing driver module 321, a data acquisition module 322, a warehousing location determination module 323, and a second warehousing driver module 324. In some optional embodiments, the following modules can be added flexibly One or more of: information acquisition module 325, data update module 326.

The first storage-in driving module 321 may be configured to: drive the storage-in carrying device to move toward the door storage area 20 , and the storage-in carrying device is loaded into the storage door in the door assembly area 10 .

The data acquisition module 322 can be configured to: acquire the door storage data in the door storage area 20 , the door storage data includes the location of the carrying device in the door storage area 20 and information about the door it carries.

The storage location determining module 323 may be configured to: determine the target storage location of the storage carrying device according to the preset storage rules according to the door storage data. In order to facilitate the management of the storage area, the model of the storage door on each storage track can be determined according to the storage data of the door; the storage track that only stores the model of the storage door and has a vacant storage location is used as the target storage track; if there is no storage, only the storage track If there is a storage track with a storage door model and a vacant storage position, the average number of storage tracks occupied by each type of door body is counted; the target storage track of the storage carrying device is determined according to the average number, so as to balance each type. The number of storage tracks occupied by the door body.

The second storage-in driving module 324 may be configured to: drive the storage-in carrying device into the target storage location, and match and record the information of the storage door 20 and the target storage location.

The information acquiring module 325 may be configured to acquire the information of the storage door input by the operator, and write the information of the storage door into the electronic tag configured on the storage carrying device.

The data update module 326 can be configured to update the door storage data on multiple storage tracks, and display the updated door storage data through the display screen.

The embodiment of the present invention also provides a control method of the door distribution system in the refrigerator production line. This can be performed by the control device of the door body delivery system in the refrigerator production line of the above embodiment, so as to improve the storage efficiency of the door body and storage area management. Fig. 4 is a flow chart of a control method for a door distribution system in a refrigerator production line according to an embodiment of the present invention, and the control method for a door distribution system in a refrigerator production line may generally include:

Step S402, driving the storage-in carrying device 110 to move to the door storage area 20, and the storage-in carrying device 110 is loaded into the storage door body in the door body assembly area 10;

Step S404, acquiring door storage data in the door storage area 20, the door storage data includes the location of the carrying device 110 in the door storage area 20 and the model of the door it carries;

Step S406, determine the target storage location of the storage carrying device 110 according to the door storage data according to the preset storage rules; and

Step S408, drive the storage carrying device 110 into the target storage location, and match and record the model of the storage door and the target storage location.

Among them, an optional process of step S406 is: according to the door body storage data, determine the model of the door body stored on each storage track; use the storage track that only stores the model of the storage door body and has a vacant storage position as the target storage track; If there is no storage track that only stores the model of the storage door body and there is a vacant storage position, then the average number of the storage tracks occupied by the door body of each type is counted; the target storage track of the storage carrying device 110 is determined according to the average number, To balance the number of storage tracks each type of door occupies. For example, the number of storage tracks occupied by the model of the storage door can be compared with the average number; a target storage track can be selected from multiple storage tracks according to the comparison result.

In step S406, the door bodies of the same type are preferentially stored together on one storage track. If this cannot be achieved, storage can be carried out according to the principle of balancing the number of storage tracks occupied by each type of door body as much as possible.

When the number of storage tracks occupied by the model of the door body carried by the storage carrying device 110 is less than the average number, etc., the priority of selecting the target storage track is as follows: the storage track of the carrying device 110 is not stored; Store the storage track of the door body of the storage door body model and the empty carrying device 110; only store the storage track of the empty carrying device 110; simultaneously store the door body of the storage door body model and the non-loading The storage track of the carrying device 110 of the door body type of the storage door body; the storage track of the carrying device 110 of the door body carrying multiple non-storage door models at the same time; only the empty carrying device 110 is stored And the storage track of the carrying device 110 of a door body of a non-storage door type; and the storage track of the carrying device 110 carrying only a door body of a non-storage door model.

When the number of storage tracks occupied by the model of the door body carried by the storage-in carrying device 110 is greater than or equal to the average number, etc., the priority of selecting the target storage track is as follows: simultaneously store the model of the storage-in door body The storage track of the door body and the empty carrying device 110; the storage track of the carrying device 110 for storing the door body of the storage door model and the door body of the non-storage door model at the same time; only storing the empty The storage track of the carrying device 110; the storage track of the unloaded carrying device 110; the storage track of the carrying device 110 that carries a variety of non-warehousing door models at the same time; the storage track of only the empty load The storage track of the device 110 and the carrying device 110 of a non-storage door model; and the storage track of the carrying device 110 that only carries a non-storage door model.

After step S408, the door body storage data on multiple storage tracks may also be updated, and the updated door body storage data may be displayed through the display screen.

Adopting the above warehousing rules can ensure that the number of storage tracks occupied by each type of door body is basically balanced, which is convenient for information management in the warehouse area and warehouse-in and out operations.

The outbound control device 330 can be data-connected with the inventory management device 310, and is configured to select the outbound carrying device 110 from multiple storage tracks according to the door model required by the refrigerator assembly area 30, and drive the outbound carrying device 110. The loading device 110 enters the outbound track to be sent to the refrigerator assembly area 30. FIG. 5 is a control flowchart of the outbound control device 330 in the door distribution system of the refrigerator production line shown in FIG. 1 . An optional control process of the outbound control device 330 includes:

Step S502, obtaining the refrigerator door delivery instruction, and determining the model of the refrigerator door delivery according to the refrigerator door delivery instruction;

Step S504, acquiring the door storage data in the door storage area 20, the door storage data includes the location of the carrying device 110 in the door storage area 20 and the model of the door it carries;

Step S506, determining the outbound carrying device 110 carrying the outbound door according to the door storage data; and

Step S508 , driving the out-of-warehouse carrying device 110 to move from the door body storage area 20 to the refrigerator assembly area 30 .

The outbound instruction can be issued by the refrigerator assembly area 30, and its generation step can include: identifying the model of the refrigerator box to be assembled in the refrigerator assembly area 30; determining the refrigerator door model corresponding to the model of the refrigerator box; The door model of the refrigerator generates a delivery order.

In the case that the data stored in the door body is stored in the format of a two-dimensional array, an optional process of step S506 is: traverse the two-dimensional array to determine the port carrying the door model of the outbound door body The loading device 110 is selected, and the outbound carrying device 110 is selected from the determined carrying devices 110 . There are many ways to select the outbound carrying device 110 , for example, the first carrying device 110 that matches the door body signal obtained through the traversal is used as the outbound carrying device 110 . The carrying device 110 with the shortest distance to the exit of the door storage area 20 may also be used as the carrying device 110 for outbound storage. Correspondingly, the step of selecting the outbound carrying device 110 among the determined carrying devices 110 may include: respectively calculating the distance from the determined carrying device 110 to the exit of the door storage area 20 by traversing the determined carrying device 110; The device 110 serves as the outbound carrying device 110 .

Using the above outbound process, the door body storage data can be used to respond to the door body outbound order according to the door body storage area 20 stored in the door body storage area 20, determine the outbound location, realize the intelligent management of the door body storage area 20, and improve the door body. The utilization efficiency of the storage area 20 is convenient for management and search, so as to improve the overall production efficiency of the refrigerator.

Fig. 6 is a work flow chart of the door distribution system shown in Fig. 1 . In this embodiment, the door distribution system uses a friction chain transmission track, and the carrying device 110 is a door spreader assembled on the friction chain transmission track 100 . The spreader is driven forward by the friction wheel, and the spreader is equipped with an RFID tag. The entire warehousing, outbound, and delivery routes are all standard-designed tracks. There is a lane-changing device at the intersection, which automatically controls each spreader (each door body) route of travel.

The operator on the door body production line puts the complete set of door body (the door body of a refrigerator) into the spreader, and sets the model of the door body loaded by the spreader on the touch screen (for example, in multiple preset model), press the confirm button after selection, the spreader will move forward, and when the spreader passes the RFID reader set at the preset position, it will automatically write the set door information into the RFID tag configured on the spreader . In order to make the spreader itself carry the door body information, the door body information at least includes the model of the door body.

The spreader then enters the storage track and is ready to enter the door body storage area 20 . The door body storage area 20 may include: several parallel storage tracks. These storage tracks can share the same storage track and the same storage track. Each storage rail cover can be used to store a certain number of spreaders.

Based on the flexible control of the friction chain transmission, the storage rules of different models can be set through the program, so that spreaders carrying different types of doors can be mixed on the same storage track. Using the information stored in the RFID tag, the system can automatically identify whether there is a door and the model information of the door in each warehouse location. So as to achieve the purpose of automatically and accurately counting the inventory of the door body.

Using display devices (such as display screens, smart terminals, etc.) can output the status of the door body stored in the door body storage area 20 (including the model and quantity of the door body in stock) to the management personnel and operators of the production line, so as to facilitate inventory management and production plan adjustments. The display device can distinguish the storage status of different types of doors through patterns, colors, etc., and mark the doors and quantities in stock in an intuitive way.

The on-line station of the refrigerator assembly area 30 (generally the first station of the refrigerator assembly line) is preferably provided with the above-mentioned display device for displaying the state of the door stored in the door storage area 20, so that the operator can intuitively understand the door According to the inventory situation of the door body, select the corresponding type of refrigerator cabinet to go online, so that all the cabinets on the line have corresponding matching doors, effectively avoiding the situation of having a cabinet without a door, or having a door without a cabinet mismatch.

According to the selection operation of the operator at the on-line station, the refrigerator box starts to go on-line. When the refrigerator box arrives at the final assembly line station, first obtain the signal information of the refrigerator box, which can be identified by scanning the barcode of the box. A refrigerator door outbound instruction is generated according to the identified box information, and sent to the door distribution system for the refrigerator production line in this embodiment. The door body distribution system used in the refrigerator production line in this embodiment executes the outbound process, and determines the lifting device with the matching model and the closest distance to the outbound port from the refrigerator storage area, as the outbound spreader, and sets the outbound hanger The delivery route of the tool. The outbound spreader is delivered to the door body installation station in the refrigerator assembly area 30 along the outbound track. While the door is out of the warehouse, the refrigerator box is also delivered to the door installation station along the refrigerator assembly line. The online sequence of the cabinet model is consistent with the online sequence of the door model. The operator at the door installation station removes the door from the arriving spreader to assemble it on the refrigerator box. The door body information in the RFID in the unloaded spreader of the door body is emptied, and returns to the door body assembly area 10 to start the next cycle, completing the intelligent distribution process of the door body.

Using the above workflow can avoid the problems of inaccurate manual statistics of inventory data and the mismatching of cabinet doors, and the refrigerator door can be replaced by no one in the entire process of storage, delivery, and online distribution. During this process There is no need for loading and unloading of the door body, and the anti-collision protection measures of the door body set by the spreader can make the door body move smoothly during the distribution process, thus avoiding quality problems such as door body collision.

The control method and control device of the door body distribution system in the refrigerator production line in this embodiment are used to control the door body conveying equipment set in the refrigerator production line, so that the door body conveying equipment is configured in the door body assembly area 10, The refrigerator door body is transferred between the door body storage area 20 and the refrigerator assembly area 30 to complete the distribution of the refrigerator door body. And when the refrigerator door enters the door body storage area 20, use the door body storage data to determine the storage position according to the situation of the door body stored in the door body storage area 20, realize the intelligent management of the door body storage area, and improve the door storage area. The utilization efficiency of the body storage area is convenient for management and search, so as to improve the overall production efficiency of the refrigerator.

Further, the control method and control device of the door distribution system in the refrigerator production line of the present invention optimize the structure of the delivery track in the section of the door storage area and the storage and storage rules to provide timely, effective, complete and real inventory data to improve the efficiency of storage and storage.

So far, those skilled in the art should appreciate that, although a number of exemplary embodiments of the present invention have been shown and described in detail herein, without departing from the spirit and scope of the present invention, the disclosed embodiments of the present invention can still be used. Many other variations or modifications consistent with the principles of the invention are directly identified or derived from the content. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.

Claims (11)

1. the control method of door body delivery system in a refrigerator production line, door body transmission apparatus for arranging described refrigerator production line controls, this body transmission apparatus comprises: transmission track and the multiple Portable carrying devices be arranged on described transmission track, each described Portable carrying device is for carrying a whole set of door body of a refrigerator, and this body transmission apparatus is configured to transmit refrigerator door between the door body assembling district of described refrigerator production line, door body storage area and refrigerator general assembly district, and described control method comprises:

Drive warehouse-in Portable carrying device to move to described door body storage area, described warehouse-in Portable carrying device is loaded into warehouse-in door body in door body assembling district;

Obtain the door body store data in described door body storage area, the position that described door body store data comprises the Portable carrying device in described door body storage area and the model of door body carried thereof;

Determine the target storage position of described warehouse-in Portable carrying device according to the putaway rule preset according to described door body store data; And

Drive described warehouse-in Portable carrying device to enter described target storage position, and described in matched record, put the model of door body and described target storage position in storage.

2. control method according to claim 1, wherein, also comprises after described warehouse-in Portable carrying device is loaded into warehouse-in door body in door body assembling district:

Obtain the information of the described warehouse-in door body of operating personal input, and the information of described warehouse-in door body write in the electronic tag of described warehouse-in Portable carrying device configuration, the information of described warehouse-in door body at least comprises the model of described warehouse-in door body.

3. control method according to claim 1, wherein said transmission track comprises at the section of described door body storage area: deposit track for many, deposit track described in every bar for placing the described Portable carrying device of predetermined quantity, and determine that the step of the target storage position of described warehouse-in Portable carrying device comprises according to described door body store data according to the putaway rule preset:

Determine described in every bar, to deposit model track being deposited a body according to described door body store data;

Only will deposit described warehouse-in door build number and there is vacant deposit position deposit track as described target storage track;

Only deposit described warehouse-in door build number if do not exist and there is vacant deposit position deposit track, then the mean number depositing track that the door body adding up often kind of model takies;

Determine the target storage track of described warehouse-in Portable carrying device according to described mean number, what take with the door body balancing often kind of model deposits number of tracks.

4. control method according to claim 3, wherein, determine that according to described mean number the step of the target storage track of described warehouse-in Portable carrying device comprises:

The quantity depositing track shared by the model of described warehouse-in door body and described mean number are compared;

To deposit track from described many according to comparative result and select described target storage track.

5. control method according to claim 4, wherein, under the quantity depositing track shared by the model of the door body carried of described warehouse-in Portable carrying device is less than the situations such as described mean number, select the priority of described target storage track as follows successively:

That does not deposit Portable carrying device deposits track;

Deposit simultaneously carry the door body of described warehouse-in door build number and the Portable carrying device of zero load deposit track;

That only deposits unloaded Portable carrying device deposits track;

That deposits the Portable carrying device of the door body of the door body that carries described warehouse-in door build number and non-warehouse-in door build number deposits track simultaneously;

That deposits the Portable carrying device of the door body carrying multiple non-warehouse-in door build number deposits track simultaneously;

That only deposits the Portable carrying device of the door body of unloaded Portable carrying device and a kind of non-warehouse-in door build number deposits track; And

That only deposits the Portable carrying device of the door body carrying a kind of non-warehouse-in door build number deposits track.

6. control method according to claim 4, wherein, under the quantity depositing track shared by the model of the door body carried of described warehouse-in Portable carrying device is more than or equal to the situations such as described mean number, select the priority of described target storage track as follows successively:

Deposit simultaneously carry the door body of described warehouse-in door build number and the Portable carrying device of zero load deposit track;

That deposits the Portable carrying device of the door body of the door body that carries described warehouse-in door build number and non-warehouse-in door build number deposits track simultaneously;

That only deposits unloaded Portable carrying device deposits track;

That does not deposit Portable carrying device deposits track;

That deposits the Portable carrying device of the door body carrying multiple non-warehouse-in door build number deposits track simultaneously;

That only deposits the Portable carrying device of the door body of unloaded Portable carrying device and a kind of non-warehouse-in door build number deposits track; And

That only deposits the Portable carrying device of the door body carrying a kind of non-warehouse-in door build number deposits track.

7. control method according to any one of claim 1 to 6, wherein, also comprises after the step of the information and described target storage position of putting the door body that Portable carrying device carries described in matched record in storage:

Upgrade described many door body store data deposited on track, and show the rear described door body store data of renewal by read-out.

8. the control setup of door body delivery system in a refrigerator production line, door body transmission apparatus for arranging described refrigerator production line controls, this body transmission apparatus comprises: transmission track and the multiple Portable carrying devices be arranged on described transmission track, each described Portable carrying device is for carrying a whole set of door body of a refrigerator, and this body transmission apparatus is configured to transmit refrigerator door between the door body assembling district of described refrigerator production line, door body storage area and refrigerator general assembly district, and described control setup comprises:

First warehouse-in driver module, be configured to drive warehouse-in Portable carrying device to move to described door body storage area, described warehouse-in Portable carrying device is loaded into warehouse-in door body in door body assembling district;

Data acquisition module, is configured to obtain the door body store data in described door body storage area, the position that described door body store data comprises the Portable carrying device in described door body storage area and the information of door body carried thereof;

Warehouse-in position determination module, is configured to the target storage position determining described warehouse-in Portable carrying device according to described door body store data according to the putaway rule preset; And

Second warehouse-in driver module, is configured to drive described warehouse-in Portable carrying device to enter described target storage position, and puts the information of door body and described target storage position described in matched record in storage.

9. control setup according to claim 8, also comprises:

Data obtaining module, is configured to the information of the warehouse-in door body obtaining operating personal input, and the information of described warehouse-in door body is write in the electronic tag of described warehouse-in Portable carrying device configuration.

10. control setup according to claim 8, wherein said transmission track comprises at the section of described door body storage area: deposit track for many, deposit track described in every bar for placing the described Portable carrying device of predetermined quantity, and described warehouse-in position determination module is also configured to:

Determine described in every bar, to deposit model track being deposited a body according to described door body store data;

Only will deposit described warehouse-in door build number and there is vacant deposit position deposit track as described target storage track;

Only deposit described warehouse-in door build number if do not exist and there is vacant deposit position deposit track, then the mean number depositing track that the door body adding up often kind of model takies;

Determine the target storage track of described warehouse-in Portable carrying device according to described mean number, what take with the door body balancing often kind of model deposits number of tracks.

Control setup according to any one of 11. according to Claim 8 to 10, also comprises:

Data update module, is configured to upgrade described many door body store data deposited on track, and shows the rear described door body store data of renewal by read-out.