CN112357605B

CN112357605B - Automatic material feeding system capable of being guided

Info

Publication number: CN112357605B
Application number: CN202011202423.3A
Authority: CN
Inventors: 高群; 巩安周; 薛俊嘉; 滕鹏; 李杨歆
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2022-03-18
Anticipated expiration: 2040-11-02
Also published as: CN112357605A

Abstract

The invention discloses a guidable automatic material feeding system, which comprises adjacent line side storage positions, at least two AGV trolleys and a dispatching control system, wherein the line side storage positions are used for storing appliances containing materials, each line side storage position is provided with an indicator lamp and a calling button for controlling the indicator lamp, the indicator lamps, the calling buttons and the AGV trolleys are all connected with the dispatching control system, and the dispatching control system acquires batching information of the line side storage positions according to the change of the indicator lamps and controls the AGV trolleys to move correspondingly to match task information. The invention has the beneficial effects that: the invention can realize the automatic on-line of materials: and meanwhile, a call button and an indicator light are designed, so that correct guide is provided for operators, and materials in a correct sequence are taken.

Description

Automatic material feeding system capable of being guided

Technical Field

The invention relates to the technical field of automatic feeding, in particular to a material automatic on-line system capable of being guided.

Background

The prior art of automatic online mainly includes two types, one is that automatic feeding of materials (from one device to another) is realized by using an AGV and a device fixed on a line edge; and the other method is that each appliance is configured with an AGV, the AGV and the appliances stop on the line edge together, and the material returns after being consumed. The instruction is to store multiple boxes of sequence pieces of material at the same time for the line, and generally, the operator determines the material taking sequence according to the material list time in the device.

For the first automatic online technology, although automatic online can be realized, each part needs to be packaged by a material box independently, and the size of the part is required, so that a transfer link is added, and the cost is high; and the mechanism occupies a large area and has high requirements on the surrounding environment of the production line. In the other automatic online technology, each appliance is provided with an AGV, so that the cost is high; when there are many casees sequence piece materials simultaneously on the line limit, the operator can only rely on material list manual work to discern and get the material order, and is inefficient, has the wrong piece risk of getting.

Disclosure of Invention

The invention aims to provide a simple and practical automatic material feeding system with low wrong piece rate aiming at the defects of the prior art.

The technical scheme adopted by the invention is as follows: a material automatic on-line system capable of being guided comprises adjacent line side storage positions, at least two AGV trolleys and a dispatching control system, wherein the line side storage positions are used for storing appliances filled with materials, each line side storage position is provided with an indicator lamp and a calling button used for controlling the indicator lamp in a matching mode, the indicator lamps, the calling buttons and the AGV trolleys are all connected with the dispatching control system, and the dispatching control system obtains batching information of the line side storage positions according to changes of the indicator lamps and controls the AGV trolleys to move correspondingly to match task information; when the materials in the line side storage position are used up, an operator presses a calling button, the color of an indicator light changes, a dispatching control system acquires the material shortage information corresponding to the line side storage position and matches with task information, and an AGV trolley is dispatched to the line side storage position to be moved to take away an empty appliance; and simultaneously, sending task information to any other idle AGV trolley, and sending the tool with the materials to the corresponding line side storage position from the material taking storage position after the idle AGV trolley receives the task information.

According to the scheme, the top of the AGV trolley is provided with the vertical telescopic bolts, the bottom of the tool for loading materials is correspondingly provided with the insertion holes matched with the bolts, the bolts are inserted into the insertion holes at the bottom of the tool, the tools are jacked up by the bolts, and the AGV trolley is in butt joint with the tools.

According to the scheme, the top of the AGV trolley is provided with a laser transmitter connected with a dispatching control system, and the laser transmitter transmits and receives rays; a reflecting plate is additionally arranged on the bottom surface of the appliance; when rays emitted by the laser emitter contact the reflector at the bottom of the instrument, the rays rebound, and after the laser emitter receives the rebounded rays, the plug of the AGV trolley can be inserted into the jack at the bottom of the instrument.

According to the scheme, the automatic material feeding system is provided with two adjacent line side warehouse positions, and each line side warehouse position is respectively provided with a calling button and an indicator light which are connected with the dispatching control system.

According to the scheme, the indicating lamp is a three-color indicating lamp capable of displaying a red lamp, a yellow lamp and a green lamp, and the current indicating lamp of the call button displays the red lamp when the stock position at the line side is short of materials; when the materials at the adjacent line side storehouse position are used, the current indicator light displays a yellow light; when the batching of the line side storehouse position is completed and the adjacent line side storehouse position is short of materials, the current indicator lamp displays a green lamp.

According to the scheme, when the indicating lamp corresponding to the line side storage position is a red lamp, the scheduling control system receives the material shortage information of the line side storage position, schedules an idle AGV to the material shortage line side storage position, and automatically takes away an empty appliance; meanwhile, the scheduling control system feeds back the material shortage information to a material distributor in the material area, and the material distributor places corresponding materials to a material taking warehouse; the dispatching control system dispatches another idle AGV to a material taking warehouse to haul a device filled with materials, automatically delivers the AGV to the warehouse beside the material shortage line, and switches the indicating lamp to a yellow lamp.

According to the scheme, when the adjacent line side storehouse position is short of materials, an operator presses a calling button of the adjacent line side storehouse position, the indicating lamp of the adjacent line side storehouse position is displayed as a red lamp, and meanwhile, the dispatching control system automatically switches the indicating lamp of the original line side storehouse position from a yellow lamp to a green lamp.

The invention has the beneficial effects that:

1. the invention can realize the automatic on-line of materials: through two AGV dollies and dispatch control system, can realize that the automatic delivery of charging devices reaches the standard grade to automatic returning of empty utensil, whole process of reaching the standard grade realizes unmanned, automatic, and the system is simple and practical, and is with low costs.

2. According to the invention, the calling button and the indicating lamp are designed at the on-line side storage position, the on-line sequence of the materials is recognized through signal transmission among the simple indicating lamp and the indicating lamp, the material calling button and the indicating lamp, and the AGV trolley and the indicating lamp, and the material state of the current storage position is displayed to the operating personnel in different colors, so that correct guidance can be provided for the operating personnel, the materials in the correct sequence can be taken, and the wrong part rate is reduced. The red light marks the lack of goods in the storage position, the yellow light indicates that goods in the storage position are waiting for use, and the green light indicates that the goods in the storage position are being taken out for use.

3. The invention adopts laser identification and positioning technology, realizes the purposes of identifying the station apparatus and accurately positioning the station apparatus by using the laser emitter of the AGV trolley and the reflector at the bottom of the station apparatus, further can realize the automatic butt joint and separation of the AGV trolley and the material apparatus, and realizes unmanned and automatic operation.

4. Two line side storage positions are correspondingly configured on the same sequence piece, and continuous feeding can be performed alternately; and, dispose two at least AGV dollies, when empty material utensil was taken away to an AGV dolly, took place the instruction to another AGV dolly that waits, the AGV dolly that waits can be at once with the utensil to the corresponding line limit storehouse position of bearing the weight of material.

Drawings

FIG. 1 is a flow chart of the operation of the system according to an embodiment of the present invention.

Fig. 2 is a system operation route diagram.

FIG. 3 is a schematic view of a line edge in the present embodiment.

Fig. 4 is a schematic view of the installation of the indicator lights and the call button.

Fig. 5 is an automatic on-line diagram of the present embodiment.

Fig. 6 is a schematic diagram of laser recognition positioning in the present embodiment.

FIG. 7 is a first schematic diagram of the AGV cart to implement connection in this embodiment.

FIG. 8 is a second schematic view of the AGV cart to implement connection in this embodiment.

Wherein: 1. an appliance; 2. an AGV trolley; 3. a line side library position; 4. erecting a rod; 5. an indicator light; 6. a call button; 7. a laser transmitter; 8. a bolt; 9. a reflector; 10. and (4) inserting the jack.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.

The automatic material feeding system capable of being guided as shown in fig. 1 comprises adjacent line side storage positions 3, at least two AGV trolleys 2 and a dispatching control system, wherein the line side storage positions 3 are used for storing appliances filled with materials, each line side storage position 3 is provided with an indicator lamp 5 and a calling button 6 used for controlling the indicator lamp 5, the indicator lamps 5, the calling buttons 6 and the AGV trolleys 2 are all connected with the dispatching control system, and the dispatching control system acquires batching information of the line side storage positions 3 according to changes of the indicator lamps 5 and controls the AGV trolleys 2 to move correspondingly to matched task information; when the materials in the line side storage position 3 are used up, an operator presses the calling button 6, the color of the indicator lamp 5 changes, the dispatching control system acquires the material shortage information corresponding to the line side storage position 3 and matches with the task information, and the AGV trolley 2 is dispatched to move to the line side storage position 3 to take away an empty appliance; and meanwhile, task information is sent to any other idle AGV trolleys 2, and the idle AGV trolleys 2 receive the task information and then send the appliances filled with the materials to the corresponding line side storage positions 3 from the material taking storage positions.

Preferably, a vertical telescopic latch 8 is arranged at the top of the AGV cart 2, a jack 10 matched with the latch 8 is correspondingly formed at the bottom of the tool for loading materials, after the latch 8 is inserted into the jack 10 at the bottom of the tool, the latch 8 jacks up the tool, and the AGV cart 2 is in butt joint with the tool, as shown in fig. 6 to 8. Preferably, the top of the AGV trolley 2 is provided with a laser emitter 7 connected with a dispatching control system, and the laser emitter 7 emits and receives rays; a reflector 9 is additionally arranged on the bottom surface of the appliance; when the ray that laser emitter 7 sent contacted reflector panel 9 of utensil bottom, the ray rebounds, and after laser emitter 7 received the rebound ray, the dispatch control system confirmed that the utensil that is equipped with the material is ready to put in place, and AGV dolly 2 continues to travel for 1s time later and pauses simultaneously, and the bolt 8 of AGV dolly 2 just is located under utensil bottom jack 10 this moment to realize the discernment and the accurate location of utensil.

Preferably, the automatic material on-line system is configured with two adjacent line side warehouse locations 3, as shown in fig. 3, each line side warehouse location 3 is respectively provided with a call button 6 and an indicator light 5 connected with the dispatching control system, as shown in fig. 4. When the materials in the storehouse position 3 on one line are used up, the storehouse position 3 on the other line can be put into use immediately, and continuous material supply is guaranteed. The materials are sequence pieces, and the sequence pieces refer to parts with the same name and different types, such as decorative plates with different colors, tires and seats with different specifications, wiring harnesses with different lengths and the like which are placed in the same station appliance according to a production sequence. In the invention, the appliance is a walking mechanism capable of storing articles, which is the prior art and is not described herein again.

Preferably, the indicator lamp 5 is a three-color indicator lamp 5 capable of displaying a red light, a yellow light and a green light, and when the stock position 3 on one line side is short of materials, the current indicator lamp 5 of the stock position displays the red light; when the materials of the adjacent line side storehouse position 3 are being used, the current indicator lamp 5 displays a yellow lamp; when the batching of the line side storehouse position 3 is finished and the adjacent line side storehouse position 3 is short of materials, the current indicator lamp 5 displays a green lamp. Specifically, the red light represents that the warehouse is out of stock, the yellow light represents that the warehouse waits for use, and at the moment, the material in the adjacent warehouse is indicated to be used, the light corresponding to the adjacent warehouse is displayed as a green light, and therefore the light which is used when the current warehouse waits for use is displayed as a yellow light; when the materials in the adjacent storehouse position are used, the operating personnel press the call button 6, the indicator light 5 corresponding to the adjacent storehouse position is switched to the red light by the green light, and meanwhile, the indicator light 5 of the current storehouse position is switched to the green light by the yellow light, so that the operating personnel is reminded of using the materials in the current storehouse position at the moment.

Specifically, when the materials in the side bin 3 are used up, the side operation personnel press the call button 6, the indicator light 5 corresponding to the side bin 3 is automatically switched to the red light, the dispatching control system receives the material shortage information of the side bin 3, and dispatches the idle AGV trolley 2 to the side bin 3 of the material shortage line, and the empty appliance is automatically taken away; meanwhile, the scheduling control system feeds back the material shortage information to a material distributor in the material area, and the material distributor places corresponding materials to a material taking warehouse; the dispatching control system dispatches another idle AGV trolley 2 to an appliance for hauling full materials from a material taking storehouse position, automatically delivers the full materials to a material shortage line side storehouse position 3, and switches the indicating lamp 5 to a yellow lamp at the moment. When the materials in the adjacent line side storehouse position 3 are used up, the line side operating personnel press the calling button 6 of the adjacent line side storehouse position 3, the indicating lamp 5 of the adjacent line side storehouse position 3 is displayed as a red light, and meanwhile, the dispatching control system automatically switches the indicating lamp 5 of the original line side storehouse position 3 from a yellow light to a green light. The operation personnel only need judge according to the colour of 3 department pilot lamps 5 in line limit storehouse position and get the material order, and the red light is represented the lack of material, and the yellow light is represented for use, and the green light is represented and can be using, and the automatic problem of going on the line of material has both been solved to this kind of configuration, can provide the bright light for line limit operation personnel again and guide, prevents to get wrong material.

Examples

The utility model provides an automatic system of going on line of material that can guide, includes adjacent line limit storehouse position A, line limit storehouse position B, is located 5A and the call button 6A of line limit storehouse position A department, is located the pilot lamp B and the call button B of line limit storehouse position B department, first AGV dolly, second AGV dolly and dispatch control system. The indicator lamp 5 and the call button 6 are arranged on the upright post 4 at one side of the corresponding line side storehouse position 3, as shown in figure 4; a sequence piece sets up two line limit storehouse positions 3, can immediately put into operation to another line limit storehouse position 3 after the material in one of them line limit storehouse position 3 is used up, guarantees to supply the material in succession. The first AGV trolley and the second AGV trolley can be matched to feed materials into the line side storage 3. As shown in fig. 2, taking feeding to the line side storage position a as an example, a first AGV gets an appliance with a material and then arrives at a waiting position to wait, and after a second AGV gets an empty appliance from the line side storage position a, the dispatch control system sends an instruction to the first AGV, the first AGV carries the appliance with the material and moves to the line side storage position a, and the appliance is placed into the line side storage position a, so that feeding to the line side storage position a is completed. The process of loading the line side storehouse position B is the same as the process of loading the line side storehouse position A.

Because the material condition changes in real time in each line limit position, for the operating personnel real-time understanding material information of convenience, so the state that corresponds the position of storehouse is expressed to pilot lamp 5 through 3 departments in line limit position of storehouse: the indicating lamp 5 displays a red light to indicate that the line side storehouse position 3 is short of materials, the indicating lamp 5 displays a yellow light to represent that the storehouse position waits for use, materials in the adjacent line side storehouse position 3 are used at the moment, the indicating lamp 5 at the adjacent line side storehouse position 3 is a green light, and therefore the current line side storehouse position 3 waits for use and is displayed as the yellow light; when the materials in the adjacent storehouse positions are used, the operating personnel press the calling button 6 of the adjacent storehouse positions, the indicating lamp 5 of the adjacent storehouse positions is switched to the red light by the green light, and meanwhile, the indicating lamp 5 of the current storehouse position is switched to the green light by the yellow light, so that the operating personnel is reminded of using the materials in the current storehouse position at the moment.

When the line side warehouse position 3 is in inner shortage, an operator presses the calling button 6, and the indicator lamp 5 displays a red light; meanwhile, the AGV trolley 2 waiting for emptying receives the instruction and conveys the materials to the line edge A. The adjacent line edge positions B are provided with placed materials which can be converted from yellow lamps into green lamps, and the materials in the indication line edge positions B can be used. When the material in line limit position A is filled up, AGV dolly 2 sends the instruction to the display lamp controller, switches the red light into the yellow light, and the material in line limit position A waits to use, and control flow refers to figure 1. Specifically, after the materials in the warehouse position A at the line side are used up, the operator at the line side presses the calling button 6A, the indicator light 5A is automatically switched to the red light, the system receives the material shortage information of the warehouse position and dispatches a second AGV, and the task information and the path are sent to a second AGV trolley, the second AGV trolley receives the task information and then automatically runs to a stock shortage position (namely a line side position A) according to the specified path, the identification and accurate positioning of the appliance are realized through the laser emitter 7 and the reflecting plate 9 at the bottom of the empty appliance, the bolt 8 is automatically lifted, the bolt 8 is inserted into the jack 10 at the bottom of the appliance to jack up the appliance, the wheels of the appliance are lifted off, and the information is fed back to the first AGV trolley, the second AGV trolley delivers the tool to the empty tool storage position of the material area, the bolt 8 of the second AGV trolley automatically descends, is separated from the tool and leaves the empty tool storage position, and the task is completed. The dispatching control system simultaneously feeds back the material shortage information of the line side storage position A to a material distributor of the material area, and the material distributor places corresponding materials in the material taking storage position; dispatching a first AGV trolley, issuing task information and a path to the first AGV trolley, automatically moving the first AGV trolley to a material taking warehouse position of a material area according to the path after receiving the information, realizing material appliance identification and accurate positioning by the first AGV trolley through a laser transmitter 7 and an appliance reflector 9 filled with materials, automatically lifting a bolt 8, inserting the bolt 8 into a jack 10 at the bottom of the appliance, jacking the appliance, lifting wheels of the appliance off the ground, distributing the appliance filled with the materials to a waiting point at the line edge by the first AGV trolley (as shown in figure 2), after receiving the information that the second AGV trolley jacks up a station appliance (at the moment, the second AGV trolley takes away an empty appliance, the first AGV trolley can convey new materials into the corresponding warehouse position), driving the first AGV trolley to the warehouse position A at the line edge from the waiting point, automatically descending the bolt 8, separating from the appliance filled with the materials, the task is completed (as shown in fig. 5), at which point the system switches the indicator light 5A of the line side bin 3 to yellow. When the materials of the adjacent line side storage positions B are used up and the operator presses the call button B of the line pressing side storage position B, the indicator lamp B displays a red light, and the system automatically switches the indicator lamp 5A into a green light.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or equivalent substitutions of some technical features, but any modifications, equivalents, improvements and the like within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A material automatic on-line system capable of being guided is characterized by comprising adjacent line side storage positions, at least two AGV trolleys and a dispatching control system, wherein the line side storage positions are used for storing appliances containing materials, each line side storage position is provided with an indicator lamp and a calling button used for controlling the indicator lamp in a matching mode, the indicator lamps, the calling buttons and the AGV trolleys are all connected with the dispatching control system, and the dispatching control system acquires batching information of the line side storage positions according to changes of the indicator lamps and controls the AGV trolleys to move correspondingly to match task information; when the materials in the line side storage position are used up, an operator presses a calling button, the color of an indicator light changes, a dispatching control system acquires the material shortage information corresponding to the line side storage position and matches with task information, and an AGV trolley is dispatched to the line side storage position to be moved to take away an empty appliance; simultaneously sending task information to any other idle AGV trolley, and sending the tool with the materials to a corresponding line side storage position from a material taking storage position after the idle AGV trolley receives the task information; the automatic material on-line system is provided with two adjacent line side warehouse positions, and each line side warehouse position is respectively provided with a calling button and an indicator light which are connected with the dispatching control system; the indicating lamp is a three-color indicating lamp capable of displaying a red lamp, a yellow lamp and a green lamp, and the current indicating lamp of the call button displays the red lamp when the stock position at the line side is short of materials; when the materials at the adjacent line side storehouse position are used, the current indicator light displays a yellow light; when the batching of the line side storehouse position is completed and the adjacent line side storehouse position is short of materials, the current indicator lamp displays a green lamp.

2. The automatic material feeding system according to claim 1, wherein a vertical telescopic bolt is arranged at the top of the AGV trolley, a corresponding insertion hole matched with the bolt is formed in the bottom of an appliance for loading materials, after the bolt is inserted into the insertion hole in the bottom of the appliance, the bolt jacks up the appliance, and the AGV trolley is in butt joint with the appliance.

3. The automatic material feeding system according to claim 2, characterized in that the top of the AGV is equipped with a laser transmitter connected to the dispatching control system, the laser transmitter transmits and receives rays; a reflecting plate is additionally arranged on the bottom surface of the appliance; when rays emitted by the laser emitter contact the reflector at the bottom of the instrument, the rays rebound, and after the laser emitter receives the rebounded rays, the plug of the AGV trolley can be inserted into the jack at the bottom of the instrument.

4. The automatic material loading system according to claim 1, wherein when the indicator light corresponding to the side bin position is a red light, the scheduling control system receives the material shortage information of the side bin position, schedules an idle AGV cart to the side bin position of the shortage line, and automatically takes away an empty instrument; meanwhile, the scheduling control system feeds back the material shortage information to a material distributor in the material area, and the material distributor places corresponding materials to a material taking warehouse; the dispatching control system dispatches another idle AGV to a material taking warehouse to haul a device filled with materials, automatically delivers the AGV to the warehouse beside the material shortage line, and switches the indicating lamp to a yellow lamp.

5. The automatic material loading system according to claim 4, wherein when the adjacent line side warehouse location is out of stock, the operator presses the call button of the adjacent line side warehouse location, the indicator light of the adjacent line side warehouse location is displayed as a red light, and the dispatching control system automatically switches the indicator light of the original line side warehouse location from a yellow light to a green light.